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
[ 50, 55, 58, 35 ]
45
[ "50-35=15", "58-55=3", "15*3=45" ]
Current State: 45:[50, 55, 58, 35], Operations: [] Exploring Operation: 50-35=15, Resulting Numbers: [55, 58, 15] Generated Node #2: [55, 58, 15] from Operation: 50-35=15 Current State: 45:[55, 58, 15], Operations: ['50-35=15'] Exploring Operation: 58-55=3, Resulting Numbers: [15, 3] Generated Node #3: [15, 3] from Operation: 58-55=3 Current State: 45:[15, 3], Operations: ['50-35=15', '58-55=3'] Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[50, 55, 58, 35], Operations: [] Exploring Operation: 55-50=5, Resulting Numbers: [58, 35, 5] Generated Node #0,0: 45:[58, 35, 5] Operation: 55-50=5 Exploring Operation: 58-55=3, Resulting Numbers: [50, 35, 3] Generated Node #0,1: 45:[50, 35, 3] Operation: 58-55=3 Exploring Operation: 58-50=8, Resulting Numbers: [55, 35, 8] Generated Node #0,2: 45:[55, 35, 8] Operation: 58-50=8 Moving to Node #0,1 Current State: 45:[50, 35, 3], Operations: ['58-55=3'] Exploring Operation: 50-35=15, Resulting Numbers: [3, 15] Generated Node #0,1,0: 45:[3, 15] Operation: 50-35=15 Exploring Operation: 50-3=47, Resulting Numbers: [35, 47] Generated Node #0,1,1: 45:[35, 47] Operation: 50-3=47 Exploring Operation: 35+3=38, Resulting Numbers: [50, 38] Generated Node #0,1,2: 45:[50, 38] Operation: 35+3=38 Moving to Node #0,2 Current State: 45:[55, 35, 8], Operations: ['58-50=8'] Exploring Operation: 55-35=20, Resulting Numbers: [8, 20] Generated Node #0,2,0: 45:[8, 20] Operation: 55-35=20 Exploring Operation: 35+8=43, Resulting Numbers: [55, 43] Generated Node #0,2,1: 45:[55, 43] Operation: 35+8=43 Exploring Operation: 55-8=47, Resulting Numbers: [35, 47] Generated Node #0,2,2: 45:[35, 47] Operation: 55-8=47 Moving to Node #0,0 Current State: 45:[58, 35, 5], Operations: ['55-50=5'] Exploring Operation: 58-35=23, Resulting Numbers: [5, 23] Generated Node #0,0,0: 45:[5, 23] Operation: 58-35=23 Exploring Operation: 58-5=53, Resulting Numbers: [35, 53] Generated Node #0,0,1: 45:[35, 53] Operation: 58-5=53 Exploring Operation: 35/5=7, Resulting Numbers: [58, 7] Generated Node #0,0,2: 45:[58, 7] Operation: 35/5=7 Moving to Node #0,1,0 Current State: 45:[3, 15], Operations: ['58-55=3', '50-35=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,45 unequal: No Solution Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[50, 55, 58, 35], Operations: [] Exploring Operation: 58-55=3, Resulting Numbers: [50, 35, 3] Generated Node #0,1: 45:[50, 35, 3] Operation: 58-55=3 Moving to Node #0,1 Current State: 45:[50, 35, 3], Operations: ['58-55=3'] Exploring Operation: 50-35=15, Resulting Numbers: [3, 15] Generated Node #0,1,0: 45:[3, 15] Operation: 50-35=15 Moving to Node #0,1,0 Current State: 45:[3, 15], Operations: ['58-55=3', '50-35=15'] Exploring Operation: 3*15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
0.984375
hs_3
mult_heuristic
[ 28, 29, 36, 43 ]
22
[ "28+29=57", "36+43=79", "79-57=22" ]
Current State: 22:[28, 29, 36, 43], Operations: [] Exploring Operation: 28+29=57, Resulting Numbers: [36, 43, 57] Generated Node #2: [36, 43, 57] from Operation: 28+29=57 Current State: 22:[36, 43, 57], Operations: ['28+29=57'] Exploring Operation: 36+43=79, Resulting Numbers: [57, 79] Generated Node #3: [57, 79] from Operation: 36+43=79 Current State: 22:[57, 79], Operations: ['28+29=57', '36+43=79'] Exploring Operation: 79-57=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[28, 29, 36, 43], Operations: [] Exploring Operation: 43-28=15, Resulting Numbers: [29, 36, 15] Generated Node #0,0: 22:[29, 36, 15] Operation: 43-28=15 Exploring Operation: 36-28=8, Resulting Numbers: [29, 43, 8] Generated Node #0,1: 22:[29, 43, 8] Operation: 36-28=8 Exploring Operation: 36-29=7, Resulting Numbers: [28, 43, 7] Generated Node #0,2: 22:[28, 43, 7] Operation: 36-29=7 Exploring Operation: 43-36=7, Resulting Numbers: [28, 29, 7] Generated Node #0,3: 22:[28, 29, 7] Operation: 43-36=7 Exploring Operation: 43-29=14, Resulting Numbers: [28, 36, 14] Generated Node #0,4: 22:[28, 36, 14] Operation: 43-29=14 Start Sub Search at level 1: Moving to Node #0,3 Current State: 22:[28, 29, 7], Operations: ['43-36=7'] Exploring Operation: 29-28=1, Resulting Numbers: [7, 1] Generated Node #0,3,0: 22:[7, 1] Operation: 29-28=1 Exploring Operation: 28+7=35, Resulting Numbers: [29, 35] Generated Node #0,3,1: 22:[29, 35] Operation: 28+7=35 Exploring Operation: 29-7=22, Resulting Numbers: [28, 22] Generated Node #0,3,2: 22:[28, 22] Operation: 29-7=22 Exploring Operation: 28/7=4, Resulting Numbers: [29, 4] Generated Node #0,3,3: 22:[29, 4] Operation: 28/7=4 Exploring Operation: 28-7=21, Resulting Numbers: [29, 21] Generated Node #0,3,4: 22:[29, 21] Operation: 28-7=21 Moving to Node #0,3,0 Current State: 22:[7, 1], Operations: ['43-36=7', '29-28=1'] Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,22 unequal: No Solution Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,22 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,22 unequal: No Solution Moving to Node #0,3,2 Current State: 22:[28, 22], Operations: ['43-36=7', '29-7=22'] Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,22 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,22 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,22 unequal: No Solution Moving to Node #0,3,4 Current State: 22:[29, 21], Operations: ['43-36=7', '28-7=21'] Exploring Operation: 29+21=50, Resulting Numbers: [50] 50,22 unequal: No Solution Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 29*21=609, Resulting Numbers: [609] 609,22 unequal: No Solution Moving to Node #0,3,3 Current State: 22:[29, 4], Operations: ['43-36=7', '28/7=4'] Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,22 unequal: No Solution Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,22 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,22 unequal: No Solution Moving to Node #0,3,1 Current State: 22:[29, 35], Operations: ['43-36=7', '28+7=35'] Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,22 unequal: No Solution Exploring Operation: 29*35=1015, Resulting Numbers: [1015] 1015,22 unequal: No Solution Exploring Operation: 29+35=64, Resulting Numbers: [64] 64,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 22:[28, 36, 14], Operations: ['43-29=14'] Exploring Operation: 28-14=14, Resulting Numbers: [36, 14] Generated Node #0,4,0: 22:[36, 14] Operation: 28-14=14 Exploring Operation: 28+14=42, Resulting Numbers: [36, 42] Generated Node #0,4,1: 22:[36, 42] Operation: 28+14=42 Exploring Operation: 36-14=22, Resulting Numbers: [28, 22] Generated Node #0,4,2: 22:[28, 22] Operation: 36-14=22 Exploring Operation: 36-28=8, Resulting Numbers: [14, 8] Generated Node #0,4,3: 22:[14, 8] Operation: 36-28=8 Exploring Operation: 28/14=2, Resulting Numbers: [36, 2] Generated Node #0,4,4: 22:[36, 2] Operation: 28/14=2 Moving to Node #0,4,2 Current State: 22:[28, 22], Operations: ['43-29=14', '36-14=22'] Exploring Operation: 28*22=616, Resulting Numbers: [616] 616,22 unequal: No Solution Exploring Operation: 28-22=6, Resulting Numbers: [6] 6,22 unequal: No Solution Exploring Operation: 28+22=50, Resulting Numbers: [50] 50,22 unequal: No Solution Moving to Node #0,4,3 Current State: 22:[14, 8], Operations: ['43-29=14', '36-28=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[28, 29, 36, 43], Operations: [] Exploring Operation: 43-29=14, Resulting Numbers: [28, 36, 14] Generated Node #0,4: 22:[28, 36, 14] Operation: 43-29=14 Moving to Node #0,4 Current State: 22:[28, 36, 14], Operations: ['43-29=14'] Exploring Operation: 36-28=8, Resulting Numbers: [14, 8] Generated Node #0,4,3: 22:[14, 8] Operation: 36-28=8 Moving to Node #0,4,3 Current State: 22:[14, 8], Operations: ['43-29=14', '36-28=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 7, 96, 40, 32 ]
17
[ "96-7=89", "40+32=72", "89-72=17" ]
Current State: 17:[7, 96, 40, 32], Operations: [] Exploring Operation: 96-7=89, Resulting Numbers: [40, 32, 89] Generated Node #2: [40, 32, 89] from Operation: 96-7=89 Current State: 17:[40, 32, 89], Operations: ['96-7=89'] Exploring Operation: 40+32=72, Resulting Numbers: [89, 72] Generated Node #3: [89, 72] from Operation: 40+32=72 Current State: 17:[89, 72], Operations: ['96-7=89', '40+32=72'] Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[7, 96, 40, 32], Operations: [] Exploring Operation: 96/32=3, Resulting Numbers: [7, 40, 3] Generated Node #0,0: 17:[7, 40, 3] Operation: 96/32=3 Exploring Operation: 96-40=56, Resulting Numbers: [7, 32, 56] Generated Node #0,1: 17:[7, 32, 56] Operation: 96-40=56 Exploring Operation: 40-32=8, Resulting Numbers: [7, 96, 8] Generated Node #0,2: 17:[7, 96, 8] Operation: 40-32=8 Exploring Operation: 96-32=64, Resulting Numbers: [7, 40, 64] Generated Node #0,3: 17:[7, 40, 64] Operation: 96-32=64 Moving to Node #0,0 Current State: 17:[7, 40, 3], Operations: ['96/32=3'] Exploring Operation: 40-3=37, Resulting Numbers: [7, 37] Generated Node #0,0,0: 17:[7, 37] Operation: 40-3=37 Exploring Operation: 40-7=33, Resulting Numbers: [3, 33] Generated Node #0,0,1: 17:[3, 33] Operation: 40-7=33 Exploring Operation: 7*3=21, Resulting Numbers: [40, 21] Generated Node #0,0,2: 17:[40, 21] Operation: 7*3=21 Exploring Operation: 7+3=10, Resulting Numbers: [40, 10] Generated Node #0,0,3: 17:[40, 10] Operation: 7+3=10 Moving to Node #0,1 Current State: 17:[7, 32, 56], Operations: ['96-40=56'] Exploring Operation: 56-32=24, Resulting Numbers: [7, 24] Generated Node #0,1,0: 17:[7, 24] Operation: 56-32=24 Exploring Operation: 56-7=49, Resulting Numbers: [32, 49] Generated Node #0,1,1: 17:[32, 49] Operation: 56-7=49 Exploring Operation: 32-7=25, Resulting Numbers: [56, 25] Generated Node #0,1,2: 17:[56, 25] Operation: 32-7=25 Exploring Operation: 56/7=8, Resulting Numbers: [32, 8] Generated Node #0,1,3: 17:[32, 8] Operation: 56/7=8 Moving to Node #0,3 Current State: 17:[7, 40, 64], Operations: ['96-32=64'] Exploring Operation: 40-7=33, Resulting Numbers: [64, 33] Generated Node #0,3,0: 17:[64, 33] Operation: 40-7=33 Exploring Operation: 7+40=47, Resulting Numbers: [64, 47] Generated Node #0,3,1: 17:[64, 47] Operation: 7+40=47 Exploring Operation: 64-7=57, Resulting Numbers: [40, 57] Generated Node #0,3,2: 17:[40, 57] Operation: 64-7=57 Exploring Operation: 64-40=24, Resulting Numbers: [7, 24] Generated Node #0,3,3: 17:[7, 24] Operation: 64-40=24 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 17:[7, 24], Operations: ['96-32=64', '64-40=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[7, 96, 40, 32], Operations: [] Exploring Operation: 96-32=64, Resulting Numbers: [7, 40, 64] Generated Node #0,3: 17:[7, 40, 64] Operation: 96-32=64 Moving to Node #0,3 Current State: 17:[7, 40, 64], Operations: ['96-32=64'] Exploring Operation: 64-40=24, Resulting Numbers: [7, 24] Generated Node #0,3,3: 17:[7, 24] Operation: 64-40=24 Moving to Node #0,3,3 Current State: 17:[7, 24], Operations: ['96-32=64', '64-40=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 43, 68, 59, 64 ]
17
[ "59-43=16", "68*16=1088", "1088/64=17" ]
Current State: 17:[43, 68, 59, 64], Operations: [] Exploring Operation: 59-43=16, Resulting Numbers: [68, 64, 16] Generated Node #2: [68, 64, 16] from Operation: 59-43=16 Current State: 17:[68, 64, 16], Operations: ['59-43=16'] Exploring Operation: 68*16=1088, Resulting Numbers: [64, 1088] Generated Node #3: [64, 1088] from Operation: 68*16=1088 Current State: 17:[64, 1088], Operations: ['59-43=16', '68*16=1088'] Exploring Operation: 1088/64=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[43, 68, 59, 64], Operations: [] Exploring Operation: 68-59=9, Resulting Numbers: [43, 64, 9] Generated Node #0,0: 17:[43, 64, 9] Operation: 68-59=9 Exploring Operation: 68-43=25, Resulting Numbers: [59, 64, 25] Generated Node #0,1: 17:[59, 64, 25] Operation: 68-43=25 Exploring Operation: 68-64=4, Resulting Numbers: [43, 59, 4] Generated Node #0,2: 17:[43, 59, 4] Operation: 68-64=4 Exploring Operation: 64-43=21, Resulting Numbers: [68, 59, 21] Generated Node #0,3: 17:[68, 59, 21] Operation: 64-43=21 Exploring Operation: 64-59=5, Resulting Numbers: [43, 68, 5] Generated Node #0,4: 17:[43, 68, 5] Operation: 64-59=5 Moving to Node #0,0 Current State: 17:[43, 64, 9], Operations: ['68-59=9'] Exploring Operation: 64-43=21, Resulting Numbers: [9, 21] Generated Node #0,0,0: 17:[9, 21] Operation: 64-43=21 Exploring Operation: 43-9=34, Resulting Numbers: [64, 34] Generated Node #0,0,1: 17:[64, 34] Operation: 43-9=34 Exploring Operation: 43+9=52, Resulting Numbers: [64, 52] Generated Node #0,0,2: 17:[64, 52] Operation: 43+9=52 Exploring Operation: 64+9=73, Resulting Numbers: [43, 73] Generated Node #0,0,3: 17:[43, 73] Operation: 64+9=73 Exploring Operation: 64-9=55, Resulting Numbers: [43, 55] Generated Node #0,0,4: 17:[43, 55] Operation: 64-9=55 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[9, 21], Operations: ['68-59=9', '64-43=21'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,17 unequal: No Solution Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[64, 34], Operations: ['68-59=9', '43-9=34'] Exploring Operation: 64-34=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 64*34=2176, Resulting Numbers: [2176] 2176,17 unequal: No Solution Exploring Operation: 64+34=98, Resulting Numbers: [98] 98,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 17:[43, 55], Operations: ['68-59=9', '64-9=55'] Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 43*55=2365, Resulting Numbers: [2365] 2365,17 unequal: No Solution Exploring Operation: 43+55=98, Resulting Numbers: [98] 98,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[64, 52], Operations: ['68-59=9', '43+9=52'] Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 64+52=116, Resulting Numbers: [116] 116,17 unequal: No Solution Exploring Operation: 64*52=3328, Resulting Numbers: [3328] 3328,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 17:[43, 73], Operations: ['68-59=9', '64+9=73'] Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 43*73=3139, Resulting Numbers: [3139] 3139,17 unequal: No Solution Exploring Operation: 43+73=116, Resulting Numbers: [116] 116,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 17:[43, 59, 4], Operations: ['68-64=4'] Exploring Operation: 59-4=55, Resulting Numbers: [43, 55] Generated Node #0,2,0: 17:[43, 55] Operation: 59-4=55 Exploring Operation: 43+4=47, Resulting Numbers: [59, 47] Generated Node #0,2,1: 17:[59, 47] Operation: 43+4=47 Exploring Operation: 59-43=16, Resulting Numbers: [4, 16] Generated Node #0,2,2: 17:[4, 16] Operation: 59-43=16 Exploring Operation: 59+4=63, Resulting Numbers: [43, 63] Generated Node #0,2,3: 17:[43, 63] Operation: 59+4=63 Exploring Operation: 43-4=39, Resulting Numbers: [59, 39] Generated Node #0,2,4: 17:[59, 39] Operation: 43-4=39 Moving to Node #0,4 Current State: 17:[43, 68, 5], Operations: ['64-59=5'] Exploring Operation: 43-5=38, Resulting Numbers: [68, 38] Generated Node #0,4,0: 17:[68, 38] Operation: 43-5=38 Exploring Operation: 68+5=73, Resulting Numbers: [43, 73] Generated Node #0,4,1: 17:[43, 73] Operation: 68+5=73 Exploring Operation: 68-5=63, Resulting Numbers: [43, 63] Generated Node #0,4,2: 17:[43, 63] Operation: 68-5=63 Exploring Operation: 68-43=25, Resulting Numbers: [5, 25] Generated Node #0,4,3: 17:[5, 25] Operation: 68-43=25 Exploring Operation: 43+5=48, Resulting Numbers: [68, 48] Generated Node #0,4,4: 17:[68, 48] Operation: 43+5=48 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 17:[5, 25], Operations: ['64-59=5', '68-43=25'] Exploring Operation: 5*25=125, Resulting Numbers: [125] 125,17 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 17:[68, 38], Operations: ['64-59=5', '43-5=38'] Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 68*38=2584, Resulting Numbers: [2584] 2584,17 unequal: No Solution Exploring Operation: 68+38=106, Resulting Numbers: [106] 106,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 17:[43, 63], Operations: ['64-59=5', '68-5=63'] Exploring Operation: 43+63=106, Resulting Numbers: [106] 106,17 unequal: No Solution Exploring Operation: 43*63=2709, Resulting Numbers: [2709] 2709,17 unequal: No Solution Exploring Operation: 63-43=20, Resulting Numbers: [20] 20,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 17:[43, 73], Operations: ['64-59=5', '68+5=73'] Exploring Operation: 43+73=116, Resulting Numbers: [116] 116,17 unequal: No Solution Exploring Operation: 43*73=3139, Resulting Numbers: [3139] 3139,17 unequal: No Solution Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 17:[68, 48], Operations: ['64-59=5', '43+5=48'] Exploring Operation: 68-48=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 68*48=3264, Resulting Numbers: [3264] 3264,17 unequal: No Solution Exploring Operation: 68+48=116, Resulting Numbers: [116] 116,17 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: 17:[59, 64, 25], Operations: ['68-43=25'] Exploring Operation: 59+25=84, Resulting Numbers: [64, 84] Generated Node #0,1,0: 17:[64, 84] Operation: 59+25=84 Exploring Operation: 59+64=123, Resulting Numbers: [25, 123] Generated Node #0,1,1: 17:[25, 123] Operation: 59+64=123 Exploring Operation: 59-25=34, Resulting Numbers: [64, 34] Generated Node #0,1,2: 17:[64, 34] Operation: 59-25=34 Exploring Operation: 64-59=5, Resulting Numbers: [25, 5] Generated Node #0,1,3: 17:[25, 5] Operation: 64-59=5 Exploring Operation: 64-25=39, Resulting Numbers: [59, 39] Generated Node #0,1,4: 17:[59, 39] Operation: 64-25=39 Moving to Node #0,3 Current State: 17:[68, 59, 21], Operations: ['64-43=21'] Exploring Operation: 68-59=9, Resulting Numbers: [21, 9] Generated Node #0,3,0: 17:[21, 9] Operation: 68-59=9 Exploring Operation: 68+21=89, Resulting Numbers: [59, 89] Generated Node #0,3,1: 17:[59, 89] Operation: 68+21=89 Exploring Operation: 68-21=47, Resulting Numbers: [59, 47] Generated Node #0,3,2: 17:[59, 47] Operation: 68-21=47 Exploring Operation: 59-21=38, Resulting Numbers: [68, 38] Generated Node #0,3,3: 17:[68, 38] Operation: 59-21=38 Exploring Operation: 68+59=127, Resulting Numbers: [21, 127] Generated Node #0,3,4: 17:[21, 127] Operation: 68+59=127 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 17:[21, 9], Operations: ['64-43=21', '68-59=9'] Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,17 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 17:[59, 47], Operations: ['64-43=21', '68-21=47'] Exploring Operation: 59-47=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 59+47=106, Resulting Numbers: [106] 106,17 unequal: No Solution Exploring Operation: 59*47=2773, Resulting Numbers: [2773] 2773,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 17:[68, 38], Operations: ['64-43=21', '59-21=38'] Exploring Operation: 68+38=106, Resulting Numbers: [106] 106,17 unequal: No Solution Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 68*38=2584, Resulting Numbers: [2584] 2584,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 17:[59, 89], Operations: ['64-43=21', '68+21=89'] Exploring Operation: 59*89=5251, Resulting Numbers: [5251] 5251,17 unequal: No Solution Exploring Operation: 59+89=148, Resulting Numbers: [148] 148,17 unequal: No Solution Exploring Operation: 89-59=30, Resulting Numbers: [30] 30,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 17:[21, 127], Operations: ['64-43=21', '68+59=127'] Exploring Operation: 127-21=106, Resulting Numbers: [106] 106,17 unequal: No Solution Exploring Operation: 21*127=2667, Resulting Numbers: [2667] 2667,17 unequal: No Solution Exploring Operation: 21+127=148, Resulting Numbers: [148] 148,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 17:[4, 16], Operations: ['68-64=4', '59-43=16'] Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,17 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,17 unequal: No Solution Moving to Node #0,1,3 Current State: 17:[25, 5], Operations: ['68-43=25', '64-59=5'] Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 25*5=125, Resulting Numbers: [125] 125,17 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[64, 34], Operations: ['68-43=25', '59-25=34'] Exploring Operation: 64+34=98, Resulting Numbers: [98] 98,17 unequal: No Solution Exploring Operation: 64*34=2176, Resulting Numbers: [2176] 2176,17 unequal: No Solution Exploring Operation: 64-34=30, Resulting Numbers: [30] 30,17 unequal: No Solution Moving to Node #0,2,4 Current State: 17:[59, 39], Operations: ['68-64=4', '43-4=39'] Exploring Operation: 59+39=98, Resulting Numbers: [98] 98,17 unequal: No Solution Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 59*39=2301, Resulting Numbers: [2301] 2301,17 unequal: No Solution Moving to Node #0,2,0 Current State: 17:[43, 55], Operations: ['68-64=4', '59-4=55'] Exploring Operation: 43*55=2365, Resulting Numbers: [2365] 2365,17 unequal: No Solution Exploring Operation: 43+55=98, Resulting Numbers: [98] 98,17 unequal: No Solution Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,17 unequal: No Solution Moving to Node #0,1,4 Current State: 17:[59, 39], Operations: ['68-43=25', '64-25=39'] Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 59*39=2301, Resulting Numbers: [2301] 2301,17 unequal: No Solution Exploring Operation: 59+39=98, Resulting Numbers: [98] 98,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[59, 47], Operations: ['68-64=4', '43+4=47'] Exploring Operation: 59*47=2773, Resulting Numbers: [2773] 2773,17 unequal: No Solution Exploring Operation: 59-47=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 59+47=106, Resulting Numbers: [106] 106,17 unequal: No Solution Moving to Node #0,2,3 Current State: 17:[43, 63], Operations: ['68-64=4', '59+4=63'] Exploring Operation: 43*63=2709, Resulting Numbers: [2709] 2709,17 unequal: No Solution Exploring Operation: 63-43=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 43+63=106, Resulting Numbers: [106] 106,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[25, 123], Operations: ['68-43=25', '59+64=123'] Exploring Operation: 25*123=3075, Resulting Numbers: [3075] 3075,17 unequal: No Solution Exploring Operation: 25+123=148, Resulting Numbers: [148] 148,17 unequal: No Solution Exploring Operation: 123-25=98, Resulting Numbers: [98] 98,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[64, 84], Operations: ['68-43=25', '59+25=84'] Exploring Operation: 64+84=148, Resulting Numbers: [148] 148,17 unequal: No Solution Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 64*84=5376, Resulting Numbers: [5376] 5376,17 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 9, 5, 85, 99 ]
81
[ "5+85=90", "99-90=9", "9*9=81" ]
Current State: 81:[9, 5, 85, 99], Operations: [] Exploring Operation: 5+85=90, Resulting Numbers: [9, 99, 90] Generated Node #2: [9, 99, 90] from Operation: 5+85=90 Current State: 81:[9, 99, 90], Operations: ['5+85=90'] Exploring Operation: 99-90=9, Resulting Numbers: [9, 9] Generated Node #3: [9, 9] from Operation: 99-90=9 Current State: 81:[9, 9], Operations: ['5+85=90', '99-90=9'] Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[9, 5, 85, 99], Operations: [] Exploring Operation: 99-9=90, Resulting Numbers: [5, 85, 90] Generated Node #0,0: 81:[5, 85, 90] Operation: 99-9=90 Exploring Operation: 99/9=11, Resulting Numbers: [5, 85, 11] Generated Node #0,1: 81:[5, 85, 11] Operation: 99/9=11 Exploring Operation: 99-5=94, Resulting Numbers: [9, 85, 94] Generated Node #0,2: 81:[9, 85, 94] Operation: 99-5=94 Exploring Operation: 99-85=14, Resulting Numbers: [9, 5, 14] Generated Node #0,3: 81:[9, 5, 14] Operation: 99-85=14 Exploring Operation: 85-5=80, Resulting Numbers: [9, 99, 80] Generated Node #0,4: 81:[9, 99, 80] Operation: 85-5=80 Moving to Node #0,3 Current State: 81:[9, 5, 14], Operations: ['99-85=14'] Exploring Operation: 9+14=23, Resulting Numbers: [5, 23] Generated Node #0,3,0: 81:[5, 23] Operation: 9+14=23 Exploring Operation: 5+14=19, Resulting Numbers: [9, 19] Generated Node #0,3,1: 81:[9, 19] Operation: 5+14=19 Exploring Operation: 14-5=9, Resulting Numbers: [9, 9] Generated Node #0,3,2: 81:[9, 9] Operation: 14-5=9 Exploring Operation: 14-9=5, Resulting Numbers: [5, 5] Generated Node #0,3,3: 81:[5, 5] Operation: 14-9=5 Exploring Operation: 9-5=4, Resulting Numbers: [14, 4] Generated Node #0,3,4: 81:[14, 4] Operation: 9-5=4 Moving to Node #0,1 Current State: 81:[5, 85, 11], Operations: ['99/9=11'] Exploring Operation: 85-11=74, Resulting Numbers: [5, 74] Generated Node #0,1,0: 81:[5, 74] Operation: 85-11=74 Exploring Operation: 5+85=90, Resulting Numbers: [11, 90] Generated Node #0,1,1: 81:[11, 90] Operation: 5+85=90 Exploring Operation: 85/5=17, Resulting Numbers: [11, 17] Generated Node #0,1,2: 81:[11, 17] Operation: 85/5=17 Exploring Operation: 85-5=80, Resulting Numbers: [11, 80] Generated Node #0,1,3: 81:[11, 80] Operation: 85-5=80 Exploring Operation: 11-5=6, Resulting Numbers: [85, 6] Generated Node #0,1,4: 81:[85, 6] Operation: 11-5=6 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 81:[11, 80], Operations: ['99/9=11', '85-5=80'] Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,81 unequal: No Solution Exploring Operation: 11+80=91, Resulting Numbers: [91] 91,81 unequal: No Solution Exploring Operation: 11*80=880, Resulting Numbers: [880] 880,81 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 #0,1,4 Current State: 81:[85, 6], Operations: ['99/9=11', '11-5=6'] Exploring Operation: 85+6=91, Resulting Numbers: [91] 91,81 unequal: No Solution Exploring Operation: 85*6=510, Resulting Numbers: [510] 510,81 unequal: No Solution Exploring Operation: 85-6=79, Resulting Numbers: [79] 79,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[5, 74], Operations: ['99/9=11', '85-11=74'] Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,81 unequal: No Solution Exploring Operation: 5+74=79, Resulting Numbers: [79] 79,81 unequal: No Solution Exploring Operation: 5*74=370, Resulting Numbers: [370] 370,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[11, 17], Operations: ['99/9=11', '85/5=17'] Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[11, 90], Operations: ['99/9=11', '5+85=90'] Exploring Operation: 90-11=79, Resulting Numbers: [79] 79,81 unequal: No Solution Exploring Operation: 11+90=101, Resulting Numbers: [101] 101,81 unequal: No Solution Exploring Operation: 11*90=990, Resulting Numbers: [990] 990,81 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: 81:[5, 85, 90], Operations: ['99-9=90'] Exploring Operation: 90-85=5, Resulting Numbers: [5, 5] Generated Node #0,0,0: 81:[5, 5] Operation: 90-85=5 Exploring Operation: 90-5=85, Resulting Numbers: [85, 85] Generated Node #0,0,1: 81:[85, 85] Operation: 90-5=85 Exploring Operation: 90/5=18, Resulting Numbers: [85, 18] Generated Node #0,0,2: 81:[85, 18] Operation: 90/5=18 Exploring Operation: 85-5=80, Resulting Numbers: [90, 80] Generated Node #0,0,3: 81:[90, 80] Operation: 85-5=80 Exploring Operation: 85/5=17, Resulting Numbers: [90, 17] Generated Node #0,0,4: 81:[90, 17] Operation: 85/5=17 Moving to Node #0,2 Current State: 81:[9, 85, 94], Operations: ['99-5=94'] Exploring Operation: 9+85=94, Resulting Numbers: [94, 94] Generated Node #0,2,0: 81:[94, 94] Operation: 9+85=94 Exploring Operation: 9+94=103, Resulting Numbers: [85, 103] Generated Node #0,2,1: 81:[85, 103] Operation: 9+94=103 Exploring Operation: 94-9=85, Resulting Numbers: [85, 85] Generated Node #0,2,2: 81:[85, 85] Operation: 94-9=85 Exploring Operation: 94-85=9, Resulting Numbers: [9, 9] Generated Node #0,2,3: 81:[9, 9] Operation: 94-85=9 Exploring Operation: 85-9=76, Resulting Numbers: [94, 76] Generated Node #0,2,4: 81:[94, 76] Operation: 85-9=76 Moving to Node #0,4 Current State: 81:[9, 99, 80], Operations: ['85-5=80'] Exploring Operation: 9+99=108, Resulting Numbers: [80, 108] Generated Node #0,4,0: 81:[80, 108] Operation: 9+99=108 Exploring Operation: 99/9=11, Resulting Numbers: [80, 11] Generated Node #0,4,1: 81:[80, 11] Operation: 99/9=11 Exploring Operation: 99-9=90, Resulting Numbers: [80, 90] Generated Node #0,4,2: 81:[80, 90] Operation: 99-9=90 Exploring Operation: 99-80=19, Resulting Numbers: [9, 19] Generated Node #0,4,3: 81:[9, 19] Operation: 99-80=19 Exploring Operation: 9+80=89, Resulting Numbers: [99, 89] Generated Node #0,4,4: 81:[99, 89] Operation: 9+80=89 Moving to Node #0,3,2 Current State: 81:[9, 9], Operations: ['99-85=14', '14-5=9'] Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,81 unequal: No Solution Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,81 unequal: No Solution Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[9, 5, 85, 99], Operations: [] Exploring Operation: 99-85=14, Resulting Numbers: [9, 5, 14] Generated Node #0,3: 81:[9, 5, 14] Operation: 99-85=14 Moving to Node #0,3 Current State: 81:[9, 5, 14], Operations: ['99-85=14'] Exploring Operation: 14-5=9, Resulting Numbers: [9, 9] Generated Node #0,3,2: 81:[9, 9] Operation: 14-5=9 Moving to Node #0,3,2 Current State: 81:[9, 9], Operations: ['99-85=14', '14-5=9'] Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.954861
hs_5
mult_heuristic
[ 6, 57, 42, 98 ]
97
[ "6*42=252", "57+98=155", "252-155=97" ]
Current State: 97:[6, 57, 42, 98], Operations: [] Exploring Operation: 6*42=252, Resulting Numbers: [57, 98, 252] Generated Node #2: [57, 98, 252] from Operation: 6*42=252 Current State: 97:[57, 98, 252], Operations: ['6*42=252'] Exploring Operation: 57+98=155, Resulting Numbers: [252, 155] Generated Node #3: [252, 155] from Operation: 57+98=155 Current State: 97:[252, 155], Operations: ['6*42=252', '57+98=155'] Exploring Operation: 252-155=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[6, 57, 42, 98], Operations: [] Exploring Operation: 6+57=63, Resulting Numbers: [42, 98, 63] Generated Node #0,0: 97:[42, 98, 63] Operation: 6+57=63 Exploring Operation: 6+42=48, Resulting Numbers: [57, 98, 48] Generated Node #0,1: 97:[57, 98, 48] Operation: 6+42=48 Exploring Operation: 98-6=92, Resulting Numbers: [57, 42, 92] Generated Node #0,2: 97:[57, 42, 92] Operation: 98-6=92 Exploring Operation: 57+42=99, Resulting Numbers: [6, 98, 99] Generated Node #0,3: 97:[6, 98, 99] Operation: 57+42=99 Moving to Node #0,0 Current State: 97:[42, 98, 63], Operations: ['6+57=63'] Exploring Operation: 42+63=105, Resulting Numbers: [98, 105] Generated Node #0,0,0: 97:[98, 105] Operation: 42+63=105 Exploring Operation: 63-42=21, Resulting Numbers: [98, 21] Generated Node #0,0,1: 97:[98, 21] Operation: 63-42=21 Exploring Operation: 42+98=140, Resulting Numbers: [63, 140] Generated Node #0,0,2: 97:[63, 140] Operation: 42+98=140 Exploring Operation: 98-42=56, Resulting Numbers: [63, 56] Generated Node #0,0,3: 97:[63, 56] Operation: 98-42=56 Moving to Node #0,1 Current State: 97:[57, 98, 48], Operations: ['6+42=48'] Exploring Operation: 57-48=9, Resulting Numbers: [98, 9] Generated Node #0,1,0: 97:[98, 9] Operation: 57-48=9 Exploring Operation: 98-48=50, Resulting Numbers: [57, 50] Generated Node #0,1,1: 97:[57, 50] Operation: 98-48=50 Exploring Operation: 57+48=105, Resulting Numbers: [98, 105] Generated Node #0,1,2: 97:[98, 105] Operation: 57+48=105 Exploring Operation: 98+48=146, Resulting Numbers: [57, 146] Generated Node #0,1,3: 97:[57, 146] Operation: 98+48=146 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[98, 105], Operations: ['6+42=48', '57+48=105'] Exploring Operation: 98+105=203, Resulting Numbers: [203] 203,97 unequal: No Solution Exploring Operation: 98*105=10290, Resulting Numbers: [10290] 10290,97 unequal: No Solution Exploring Operation: 105-98=7, Resulting Numbers: [7] 7,97 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 #0,1,1 Current State: 97:[57, 50], Operations: ['6+42=48', '98-48=50'] Exploring Operation: 57+50=107, Resulting Numbers: [107] 107,97 unequal: No Solution Exploring Operation: 57-50=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 57*50=2850, Resulting Numbers: [2850] 2850,97 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 #0,1,0 Current State: 97:[98, 9], Operations: ['6+42=48', '57-48=9'] Exploring Operation: 98*9=882, Resulting Numbers: [882] 882,97 unequal: No Solution Exploring Operation: 98+9=107, Resulting Numbers: [107] 107,97 unequal: No Solution Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,97 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 #0,1,3 Current State: 97:[57, 146], Operations: ['6+42=48', '98+48=146'] Exploring Operation: 57+146=203, Resulting Numbers: [203] 203,97 unequal: No Solution Exploring Operation: 146-57=89, Resulting Numbers: [89] 89,97 unequal: No Solution Exploring Operation: 57*146=8322, Resulting Numbers: [8322] 8322,97 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: 97:[6, 98, 99], Operations: ['57+42=99'] Exploring Operation: 6+99=105, Resulting Numbers: [98, 105] Generated Node #0,3,0: 97:[98, 105] Operation: 6+99=105 Exploring Operation: 99-6=93, Resulting Numbers: [98, 93] Generated Node #0,3,1: 97:[98, 93] Operation: 99-6=93 Exploring Operation: 6+98=104, Resulting Numbers: [99, 104] Generated Node #0,3,2: 97:[99, 104] Operation: 6+98=104 Exploring Operation: 98-6=92, Resulting Numbers: [99, 92] Generated Node #0,3,3: 97:[99, 92] Operation: 98-6=92 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[98, 93], Operations: ['57+42=99', '99-6=93'] Exploring Operation: 98*93=9114, Resulting Numbers: [9114] 9114,97 unequal: No Solution Exploring Operation: 98-93=5, Resulting Numbers: [5] 5,97 unequal: No Solution Exploring Operation: 98+93=191, Resulting Numbers: [191] 191,97 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 #0,3,3 Current State: 97:[99, 92], Operations: ['57+42=99', '98-6=92'] Exploring Operation: 99-92=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 99*92=9108, Resulting Numbers: [9108] 9108,97 unequal: No Solution Exploring Operation: 99+92=191, Resulting Numbers: [191] 191,97 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 #0,3,0 Current State: 97:[98, 105], Operations: ['57+42=99', '6+99=105'] Exploring Operation: 98*105=10290, Resulting Numbers: [10290] 10290,97 unequal: No Solution Exploring Operation: 105-98=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 98+105=203, Resulting Numbers: [203] 203,97 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 #0,3,2 Current State: 97:[99, 104], Operations: ['57+42=99', '6+98=104'] Exploring Operation: 104-99=5, Resulting Numbers: [5] 5,97 unequal: No Solution Exploring Operation: 99*104=10296, Resulting Numbers: [10296] 10296,97 unequal: No Solution Exploring Operation: 99+104=203, Resulting Numbers: [203] 203,97 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: 97:[57, 42, 92], Operations: ['98-6=92'] Exploring Operation: 42+92=134, Resulting Numbers: [57, 134] Generated Node #0,2,0: 97:[57, 134] Operation: 42+92=134 Exploring Operation: 92-42=50, Resulting Numbers: [57, 50] Generated Node #0,2,1: 97:[57, 50] Operation: 92-42=50 Exploring Operation: 57+42=99, Resulting Numbers: [92, 99] Generated Node #0,2,2: 97:[92, 99] Operation: 57+42=99 Exploring Operation: 57-42=15, Resulting Numbers: [92, 15] Generated Node #0,2,3: 97:[92, 15] Operation: 57-42=15 Moving to Node #0,2,2 Current State: 97:[92, 99], Operations: ['98-6=92', '57+42=99'] Exploring Operation: 99-92=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 92*99=9108, Resulting Numbers: [9108] 9108,97 unequal: No Solution Exploring Operation: 92+99=191, Resulting Numbers: [191] 191,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[98, 105], Operations: ['6+57=63', '42+63=105'] Exploring Operation: 98+105=203, Resulting Numbers: [203] 203,97 unequal: No Solution Exploring Operation: 98*105=10290, Resulting Numbers: [10290] 10290,97 unequal: No Solution Exploring Operation: 105-98=7, Resulting Numbers: [7] 7,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[63, 56], Operations: ['6+57=63', '98-42=56'] Exploring Operation: 63*56=3528, Resulting Numbers: [3528] 3528,97 unequal: No Solution Exploring Operation: 63+56=119, Resulting Numbers: [119] 119,97 unequal: No Solution Exploring Operation: 63-56=7, Resulting Numbers: [7] 7,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[98, 21], Operations: ['6+57=63', '63-42=21'] Exploring Operation: 98*21=2058, Resulting Numbers: [2058] 2058,97 unequal: No Solution Exploring Operation: 98-21=77, Resulting Numbers: [77] 77,97 unequal: No Solution Exploring Operation: 98+21=119, Resulting Numbers: [119] 119,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[57, 134], Operations: ['98-6=92', '42+92=134'] Exploring Operation: 57*134=7638, Resulting Numbers: [7638] 7638,97 unequal: No Solution Exploring Operation: 57+134=191, Resulting Numbers: [191] 191,97 unequal: No Solution Exploring Operation: 134-57=77, Resulting Numbers: [77] 77,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[63, 140], Operations: ['6+57=63', '42+98=140'] Exploring Operation: 63+140=203, Resulting Numbers: [203] 203,97 unequal: No Solution Exploring Operation: 140-63=77, Resulting Numbers: [77] 77,97 unequal: No Solution Exploring Operation: 63*140=8820, Resulting Numbers: [8820] 8820,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[57, 50], Operations: ['98-6=92', '92-42=50'] Exploring Operation: 57*50=2850, Resulting Numbers: [2850] 2850,97 unequal: No Solution Exploring Operation: 57+50=107, Resulting Numbers: [107] 107,97 unequal: No Solution Exploring Operation: 57-50=7, Resulting Numbers: [7] 7,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[92, 15], Operations: ['98-6=92', '57-42=15'] Exploring Operation: 92+15=107, Resulting Numbers: [107] 107,97 unequal: No Solution Exploring Operation: 92*15=1380, Resulting Numbers: [1380] 1380,97 unequal: No Solution Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,97 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 11, 4, 30, 70 ]
14
[ "30+70=100", "100/4=25", "25-11=14" ]
Current State: 14:[11, 4, 30, 70], Operations: [] Exploring Operation: 30+70=100, Resulting Numbers: [11, 4, 100] Generated Node #2: [11, 4, 100] from Operation: 30+70=100 Current State: 14:[11, 4, 100], Operations: ['30+70=100'] Exploring Operation: 100/4=25, Resulting Numbers: [11, 25] Generated Node #3: [11, 25] from Operation: 100/4=25 Current State: 14:[11, 25], Operations: ['30+70=100', '100/4=25'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[11, 4, 30, 70], Operations: [] Exploring Operation: 70-11=59, Resulting Numbers: [4, 30, 59] Generated Node #0,0: 14:[4, 30, 59] Operation: 70-11=59 Exploring Operation: 30-11=19, Resulting Numbers: [4, 70, 19] Generated Node #0,1: 14:[4, 70, 19] Operation: 30-11=19 Exploring Operation: 70-30=40, Resulting Numbers: [11, 4, 40] Generated Node #0,2: 14:[11, 4, 40] Operation: 70-30=40 Moving to Node #0,2 Current State: 14:[11, 4, 40], Operations: ['70-30=40'] Exploring Operation: 40/4=10, Resulting Numbers: [11, 10] Generated Node #0,2,0: 14:[11, 10] Operation: 40/4=10 Exploring Operation: 40-4=36, Resulting Numbers: [11, 36] Generated Node #0,2,1: 14:[11, 36] Operation: 40-4=36 Exploring Operation: 40-11=29, Resulting Numbers: [4, 29] Generated Node #0,2,2: 14:[4, 29] Operation: 40-11=29 Moving to Node #0,0 Current State: 14:[4, 30, 59], Operations: ['70-11=59'] Exploring Operation: 59-4=55, Resulting Numbers: [30, 55] Generated Node #0,0,0: 14:[30, 55] Operation: 59-4=55 Exploring Operation: 59-30=29, Resulting Numbers: [4, 29] Generated Node #0,0,1: 14:[4, 29] Operation: 59-30=29 Exploring Operation: 30-4=26, Resulting Numbers: [59, 26] Generated Node #0,0,2: 14:[59, 26] Operation: 30-4=26 Moving to Node #0,1 Current State: 14:[4, 70, 19], Operations: ['30-11=19'] Exploring Operation: 70-4=66, Resulting Numbers: [19, 66] Generated Node #0,1,0: 14:[19, 66] Operation: 70-4=66 Exploring Operation: 70-19=51, Resulting Numbers: [4, 51] Generated Node #0,1,1: 14:[4, 51] Operation: 70-19=51 Exploring Operation: 19-4=15, Resulting Numbers: [70, 15] Generated Node #0,1,2: 14:[70, 15] Operation: 19-4=15 Moving to Node #0,2,0 Current State: 14:[11, 10], Operations: ['70-30=40', '40/4=10'] Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,14 unequal: No Solution Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,14 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,14 unequal: No Solution Moving to Node #0,2,2 Current State: 14:[4, 29], Operations: ['70-30=40', '40-11=29'] Exploring Operation: 4*29=116, Resulting Numbers: [116] 116,14 unequal: No Solution Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[4, 29], Operations: ['70-11=59', '59-30=29'] Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 4*29=116, Resulting Numbers: [116] 116,14 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,14 unequal: No Solution Moving to Node #0,2,1 Current State: 14:[11, 36], Operations: ['70-30=40', '40-4=36'] Exploring Operation: 11+36=47, Resulting Numbers: [47] 47,14 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 11*36=396, Resulting Numbers: [396] 396,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[4, 51], Operations: ['30-11=19', '70-19=51'] Exploring Operation: 4+51=55, Resulting Numbers: [55] 55,14 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,14 unequal: No Solution Exploring Operation: 4*51=204, Resulting Numbers: [204] 204,14 unequal: No Solution Moving to Node #0,0,2 Current State: 14:[59, 26], Operations: ['70-11=59', '30-4=26'] Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,14 unequal: No Solution Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,14 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,14 unequal: No Solution Moving to Node #0,1,2 Current State: 14:[70, 15], Operations: ['30-11=19', '19-4=15'] Exploring Operation: 70*15=1050, Resulting Numbers: [1050] 1050,14 unequal: No Solution Exploring Operation: 70+15=85, Resulting Numbers: [85] 85,14 unequal: No Solution Exploring Operation: 70-15=55, Resulting Numbers: [55] 55,14 unequal: No Solution Moving to Node #0,0,0 Current State: 14:[30, 55], Operations: ['70-11=59', '59-4=55'] Exploring Operation: 30*55=1650, Resulting Numbers: [1650] 1650,14 unequal: No Solution Exploring Operation: 55-30=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 30+55=85, Resulting Numbers: [85] 85,14 unequal: No Solution Moving to Node #0,1,0 Current State: 14:[19, 66], Operations: ['30-11=19', '70-4=66'] Exploring Operation: 19+66=85, Resulting Numbers: [85] 85,14 unequal: No Solution Exploring Operation: 19*66=1254, Resulting Numbers: [1254] 1254,14 unequal: No Solution Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,14 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 55, 13, 32, 70 ]
64
[ "55+13=68", "70-68=2", "32*2=64" ]
Current State: 64:[55, 13, 32, 70], Operations: [] Exploring Operation: 55+13=68, Resulting Numbers: [32, 70, 68] Generated Node #2: [32, 70, 68] from Operation: 55+13=68 Current State: 64:[32, 70, 68], Operations: ['55+13=68'] Exploring Operation: 70-68=2, Resulting Numbers: [32, 2] Generated Node #3: [32, 2] from Operation: 70-68=2 Current State: 64:[32, 2], Operations: ['55+13=68', '70-68=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[55, 13, 32, 70], Operations: [] Exploring Operation: 55+13=68, Resulting Numbers: [32, 70, 68] Generated Node #0,0: 64:[32, 70, 68] Operation: 55+13=68 Exploring Operation: 70-13=57, Resulting Numbers: [55, 32, 57] Generated Node #0,1: 64:[55, 32, 57] Operation: 70-13=57 Exploring Operation: 55-13=42, Resulting Numbers: [32, 70, 42] Generated Node #0,2: 64:[32, 70, 42] Operation: 55-13=42 Exploring Operation: 70-55=15, Resulting Numbers: [13, 32, 15] Generated Node #0,3: 64:[13, 32, 15] Operation: 70-55=15 Exploring Operation: 55-32=23, Resulting Numbers: [13, 70, 23] Generated Node #0,4: 64:[13, 70, 23] Operation: 55-32=23 Start Sub Search at level 1: Moving to Node #0,3 Current State: 64:[13, 32, 15], Operations: ['70-55=15'] Exploring Operation: 13+15=28, Resulting Numbers: [32, 28] Generated Node #0,3,0: 64:[32, 28] Operation: 13+15=28 Exploring Operation: 32-13=19, Resulting Numbers: [15, 19] Generated Node #0,3,1: 64:[15, 19] Operation: 32-13=19 Exploring Operation: 32-15=17, Resulting Numbers: [13, 17] Generated Node #0,3,2: 64:[13, 17] Operation: 32-15=17 Exploring Operation: 13+32=45, Resulting Numbers: [15, 45] Generated Node #0,3,3: 64:[15, 45] Operation: 13+32=45 Exploring Operation: 15-13=2, Resulting Numbers: [32, 2] Generated Node #0,3,4: 64:[32, 2] Operation: 15-13=2 Moving to Node #0,3,4 Current State: 64:[32, 2], Operations: ['70-55=15', '15-13=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,64 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,64 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[55, 13, 32, 70], Operations: [] Exploring Operation: 70-55=15, Resulting Numbers: [13, 32, 15] Generated Node #0,3: 64:[13, 32, 15] Operation: 70-55=15 Moving to Node #0,3 Current State: 64:[13, 32, 15], Operations: ['70-55=15'] Exploring Operation: 15-13=2, Resulting Numbers: [32, 2] Generated Node #0,3,4: 64:[32, 2] Operation: 15-13=2 Moving to Node #0,3,4 Current State: 64:[32, 2], Operations: ['70-55=15', '15-13=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 13, 22, 82, 2 ]
89
[ "22-13=9", "82-2=80", "9+80=89" ]
Current State: 89:[13, 22, 82, 2], Operations: [] Exploring Operation: 22-13=9, Resulting Numbers: [82, 2, 9] Generated Node #2: [82, 2, 9] from Operation: 22-13=9 Current State: 89:[82, 2, 9], Operations: ['22-13=9'] Exploring Operation: 82-2=80, Resulting Numbers: [9, 80] Generated Node #3: [9, 80] from Operation: 82-2=80 Current State: 89:[9, 80], Operations: ['22-13=9', '82-2=80'] Exploring Operation: 9+80=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[13, 22, 82, 2], Operations: [] Exploring Operation: 22*2=44, Resulting Numbers: [13, 82, 44] Generated Node #0,0: 89:[13, 82, 44] Operation: 22*2=44 Exploring Operation: 13*2=26, Resulting Numbers: [22, 82, 26] Generated Node #0,1: 89:[22, 82, 26] Operation: 13*2=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[13, 82, 44], Operations: ['22*2=44'] Exploring Operation: 13+82=95, Resulting Numbers: [44, 95] Generated Node #0,0,0: 89:[44, 95] Operation: 13+82=95 Exploring Operation: 13+44=57, Resulting Numbers: [82, 57] Generated Node #0,0,1: 89:[82, 57] Operation: 13+44=57 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[82, 57], Operations: ['22*2=44', '13+44=57'] Exploring Operation: 82+57=139, Resulting Numbers: [139] 139,89 unequal: No Solution Exploring Operation: 82-57=25, Resulting Numbers: [25] 25,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[44, 95], Operations: ['22*2=44', '13+82=95'] Exploring Operation: 95-44=51, Resulting Numbers: [51] 51,89 unequal: No Solution Exploring Operation: 44+95=139, Resulting Numbers: [139] 139,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[22, 82, 26], Operations: ['13*2=26'] Exploring Operation: 22+26=48, Resulting Numbers: [82, 48] Generated Node #0,1,0: 89:[82, 48] Operation: 22+26=48 Exploring Operation: 22+82=104, Resulting Numbers: [26, 104] Generated Node #0,1,1: 89:[26, 104] Operation: 22+82=104 Moving to Node #0,1,0 Current State: 89:[82, 48], Operations: ['13*2=26', '22+26=48'] Exploring Operation: 82+48=130, Resulting Numbers: [130] 130,89 unequal: No Solution Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[26, 104], Operations: ['13*2=26', '22+82=104'] Exploring Operation: 104-26=78, Resulting Numbers: [78] 78,89 unequal: No Solution Exploring Operation: 26+104=130, Resulting Numbers: [130] 130,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 15, 10, 43, 55 ]
93
[ "15-10=5", "43+55=98", "98-5=93" ]
Current State: 93:[15, 10, 43, 55], Operations: [] Exploring Operation: 15-10=5, Resulting Numbers: [43, 55, 5] Generated Node #2: [43, 55, 5] from Operation: 15-10=5 Current State: 93:[43, 55, 5], Operations: ['15-10=5'] Exploring Operation: 43+55=98, Resulting Numbers: [5, 98] Generated Node #3: [5, 98] from Operation: 43+55=98 Current State: 93:[5, 98], Operations: ['15-10=5', '43+55=98'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[15, 10, 43, 55], Operations: [] Exploring Operation: 43+55=98, Resulting Numbers: [15, 10, 98] Generated Node #0,0: 93:[15, 10, 98] Operation: 43+55=98 Moving to Node #0,0 Current State: 93:[15, 10, 98], Operations: ['43+55=98'] Exploring Operation: 15-10=5, Resulting Numbers: [98, 5] Generated Node #0,0,0: 93:[98, 5] Operation: 15-10=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[98, 5], Operations: ['43+55=98', '15-10=5'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[15, 10, 43, 55], Operations: [] Exploring Operation: 43+55=98, Resulting Numbers: [15, 10, 98] Generated Node #0,0: 93:[15, 10, 98] Operation: 43+55=98 Moving to Node #0,0 Current State: 93:[15, 10, 98], Operations: ['43+55=98'] Exploring Operation: 15-10=5, Resulting Numbers: [98, 5] Generated Node #0,0,0: 93:[98, 5] Operation: 15-10=5 Moving to Node #0,0,0 Current State: 93:[98, 5], Operations: ['43+55=98', '15-10=5'] Exploring Operation: 98-5=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 19, 3, 72, 88 ]
18
[ "19+3=22", "72*22=1584", "1584/88=18" ]
Current State: 18:[19, 3, 72, 88], Operations: [] Exploring Operation: 19+3=22, Resulting Numbers: [72, 88, 22] Generated Node #2: [72, 88, 22] from Operation: 19+3=22 Current State: 18:[72, 88, 22], Operations: ['19+3=22'] Exploring Operation: 72*22=1584, Resulting Numbers: [88, 1584] Generated Node #3: [88, 1584] from Operation: 72*22=1584 Current State: 18:[88, 1584], Operations: ['19+3=22', '72*22=1584'] Exploring Operation: 1584/88=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[19, 3, 72, 88], Operations: [] Exploring Operation: 88-72=16, Resulting Numbers: [19, 3, 16] Generated Node #0,0: 18:[19, 3, 16] Operation: 88-72=16 Exploring Operation: 72/3=24, Resulting Numbers: [19, 88, 24] Generated Node #0,1: 18:[19, 88, 24] Operation: 72/3=24 Moving to Node #0,0 Current State: 18:[19, 3, 16], Operations: ['88-72=16'] Exploring Operation: 3+16=19, Resulting Numbers: [19, 19] Generated Node #0,0,0: 18:[19, 19] Operation: 3+16=19 Exploring Operation: 19-16=3, Resulting Numbers: [3, 3] Generated Node #0,0,1: 18:[3, 3] Operation: 19-16=3 Moving to Node #0,1 Current State: 18:[19, 88, 24], Operations: ['72/3=24'] Exploring Operation: 88-19=69, Resulting Numbers: [24, 69] Generated Node #0,1,0: 18:[24, 69] Operation: 88-19=69 Exploring Operation: 88-24=64, Resulting Numbers: [19, 64] Generated Node #0,1,1: 18:[19, 64] Operation: 88-24=64 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[19, 64], Operations: ['72/3=24', '88-24=64'] Exploring Operation: 19+64=83, Resulting Numbers: [83] 83,18 unequal: No Solution Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 18:[24, 69], Operations: ['72/3=24', '88-19=69'] Exploring Operation: 69-24=45, Resulting Numbers: [45] 45,18 unequal: No Solution Exploring Operation: 24+69=93, Resulting Numbers: [93] 93,18 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: 18:[3, 3], Operations: ['88-72=16', '19-16=3'] Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,18 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[19, 19], Operations: ['88-72=16', '3+16=19'] Exploring Operation: 19/19=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 19-19=0, Resulting Numbers: [0] 0,18 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 36, 39, 20, 10 ]
70
[ "39-36=3", "20*3=60", "10+60=70" ]
Current State: 70:[36, 39, 20, 10], Operations: [] Exploring Operation: 39-36=3, Resulting Numbers: [20, 10, 3] Generated Node #2: [20, 10, 3] from Operation: 39-36=3 Current State: 70:[20, 10, 3], Operations: ['39-36=3'] Exploring Operation: 20*3=60, Resulting Numbers: [10, 60] Generated Node #3: [10, 60] from Operation: 20*3=60 Current State: 70:[10, 60], Operations: ['39-36=3', '20*3=60'] Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[36, 39, 20, 10], Operations: [] Exploring Operation: 20-10=10, Resulting Numbers: [36, 39, 10] Generated Node #0,0: 70:[36, 39, 10] Operation: 20-10=10 Moving to Node #0,0 Current State: 70:[36, 39, 10], Operations: ['20-10=10'] Exploring Operation: 39-36=3, Resulting Numbers: [10, 3] Generated Node #0,0,0: 70:[10, 3] Operation: 39-36=3 Moving to Node #0,0,0 Current State: 70:[10, 3], Operations: ['20-10=10', '39-36=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,70 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 30, 56, 50, 72 ]
17
[ "30+72=102", "56-50=6", "102/6=17" ]
Current State: 17:[30, 56, 50, 72], Operations: [] Exploring Operation: 30+72=102, Resulting Numbers: [56, 50, 102] Generated Node #2: [56, 50, 102] from Operation: 30+72=102 Current State: 17:[56, 50, 102], Operations: ['30+72=102'] Exploring Operation: 56-50=6, Resulting Numbers: [102, 6] Generated Node #3: [102, 6] from Operation: 56-50=6 Current State: 17:[102, 6], Operations: ['30+72=102', '56-50=6'] Exploring Operation: 102/6=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[30, 56, 50, 72], Operations: [] Exploring Operation: 72-56=16, Resulting Numbers: [30, 50, 16] Generated Node #0,0: 17:[30, 50, 16] Operation: 72-56=16 Moving to Node #0,0 Current State: 17:[30, 50, 16], Operations: ['72-56=16'] Exploring Operation: 50-30=20, Resulting Numbers: [16, 20] Generated Node #0,0,0: 17:[16, 20] Operation: 50-30=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[16, 20], Operations: ['72-56=16', '50-30=20'] Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,17 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
[ 31, 68, 58, 41 ]
100
[ "41-31=10", "68-58=10", "10*10=100" ]
Current State: 100:[31, 68, 58, 41], Operations: [] Exploring Operation: 41-31=10, Resulting Numbers: [68, 58, 10] Generated Node #2: [68, 58, 10] from Operation: 41-31=10 Current State: 100:[68, 58, 10], Operations: ['41-31=10'] Exploring Operation: 68-58=10, Resulting Numbers: [10, 10] Generated Node #3: [10, 10] from Operation: 68-58=10 Current State: 100:[10, 10], Operations: ['41-31=10', '68-58=10'] Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[31, 68, 58, 41], Operations: [] Exploring Operation: 68-58=10, Resulting Numbers: [31, 41, 10] Generated Node #0,0: 100:[31, 41, 10] Operation: 68-58=10 Exploring Operation: 31+68=99, Resulting Numbers: [58, 41, 99] Generated Node #0,1: 100:[58, 41, 99] Operation: 31+68=99 Exploring Operation: 68+41=109, Resulting Numbers: [31, 58, 109] Generated Node #0,2: 100:[31, 58, 109] Operation: 68+41=109 Exploring Operation: 58+41=99, Resulting Numbers: [31, 68, 99] Generated Node #0,3: 100:[31, 68, 99] Operation: 58+41=99 Exploring Operation: 68-41=27, Resulting Numbers: [31, 58, 27] Generated Node #0,4: 100:[31, 58, 27] Operation: 68-41=27 Moving to Node #0,0 Current State: 100:[31, 41, 10], Operations: ['68-58=10'] Exploring Operation: 41-10=31, Resulting Numbers: [31, 31] Generated Node #0,0,0: 100:[31, 31] Operation: 41-10=31 Exploring Operation: 41-31=10, Resulting Numbers: [10, 10] Generated Node #0,0,1: 100:[10, 10] Operation: 41-31=10 Exploring Operation: 31-10=21, Resulting Numbers: [41, 21] Generated Node #0,0,2: 100:[41, 21] Operation: 31-10=21 Exploring Operation: 31+10=41, Resulting Numbers: [41, 41] Generated Node #0,0,3: 100:[41, 41] Operation: 31+10=41 Exploring Operation: 41+10=51, Resulting Numbers: [31, 51] Generated Node #0,0,4: 100:[31, 51] Operation: 41+10=51 Moving to Node #0,4 Current State: 100:[31, 58, 27], Operations: ['68-41=27'] Exploring Operation: 31+58=89, Resulting Numbers: [27, 89] Generated Node #0,4,0: 100:[27, 89] Operation: 31+58=89 Exploring Operation: 58-31=27, Resulting Numbers: [27, 27] Generated Node #0,4,1: 100:[27, 27] Operation: 58-31=27 Exploring Operation: 58-27=31, Resulting Numbers: [31, 31] Generated Node #0,4,2: 100:[31, 31] Operation: 58-27=31 Exploring Operation: 31-27=4, Resulting Numbers: [58, 4] Generated Node #0,4,3: 100:[58, 4] Operation: 31-27=4 Exploring Operation: 31+27=58, Resulting Numbers: [58, 58] Generated Node #0,4,4: 100:[58, 58] Operation: 31+27=58 Moving to Node #0,1 Current State: 100:[58, 41, 99], Operations: ['31+68=99'] Exploring Operation: 41+99=140, Resulting Numbers: [58, 140] Generated Node #0,1,0: 100:[58, 140] Operation: 41+99=140 Exploring Operation: 99-41=58, Resulting Numbers: [58, 58] Generated Node #0,1,1: 100:[58, 58] Operation: 99-41=58 Exploring Operation: 58+41=99, Resulting Numbers: [99, 99] Generated Node #0,1,2: 100:[99, 99] Operation: 58+41=99 Exploring Operation: 99-58=41, Resulting Numbers: [41, 41] Generated Node #0,1,3: 100:[41, 41] Operation: 99-58=41 Exploring Operation: 58-41=17, Resulting Numbers: [99, 17] Generated Node #0,1,4: 100:[99, 17] Operation: 58-41=17 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 100:[99, 99], Operations: ['31+68=99', '58+41=99'] Exploring Operation: 99*99=9801, Resulting Numbers: [9801] 9801,100 unequal: No Solution Exploring Operation: 99-99=0, Resulting Numbers: [0] 0,100 unequal: No Solution Exploring Operation: 99+99=198, Resulting Numbers: [198] 198,100 unequal: No Solution Exploring Operation: 99/99=1, Resulting Numbers: [1] 1,100 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 #0,1,4 Current State: 100:[99, 17], Operations: ['31+68=99', '58-41=17'] Exploring Operation: 99-17=82, Resulting Numbers: [82] 82,100 unequal: No Solution Exploring Operation: 99+17=116, Resulting Numbers: [116] 116,100 unequal: No Solution Exploring Operation: 99*17=1683, Resulting Numbers: [1683] 1683,100 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:[58, 58], Operations: ['31+68=99', '99-41=58'] Exploring Operation: 58+58=116, Resulting Numbers: [116] 116,100 unequal: No Solution Exploring Operation: 58/58=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 58-58=0, Resulting Numbers: [0] 0,100 unequal: No Solution Exploring Operation: 58*58=3364, Resulting Numbers: [3364] 3364,100 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 #0,1,3 Current State: 100:[41, 41], Operations: ['31+68=99', '99-58=41'] Exploring Operation: 41+41=82, Resulting Numbers: [82] 82,100 unequal: No Solution Exploring Operation: 41*41=1681, Resulting Numbers: [1681] 1681,100 unequal: No Solution Exploring Operation: 41-41=0, Resulting Numbers: [0] 0,100 unequal: No Solution Exploring Operation: 41/41=1, Resulting Numbers: [1] 1,100 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 #0,1,0 Current State: 100:[58, 140], Operations: ['31+68=99', '41+99=140'] Exploring Operation: 58+140=198, Resulting Numbers: [198] 198,100 unequal: No Solution Exploring Operation: 140-58=82, Resulting Numbers: [82] 82,100 unequal: No Solution Exploring Operation: 58*140=8120, Resulting Numbers: [8120] 8120,100 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: 100:[31, 58, 109], Operations: ['68+41=109'] Exploring Operation: 31+109=140, Resulting Numbers: [58, 140] Generated Node #0,2,0: 100:[58, 140] Operation: 31+109=140 Exploring Operation: 58-31=27, Resulting Numbers: [109, 27] Generated Node #0,2,1: 100:[109, 27] Operation: 58-31=27 Exploring Operation: 31+58=89, Resulting Numbers: [109, 89] Generated Node #0,2,2: 100:[109, 89] Operation: 31+58=89 Exploring Operation: 109-58=51, Resulting Numbers: [31, 51] Generated Node #0,2,3: 100:[31, 51] Operation: 109-58=51 Exploring Operation: 109-31=78, Resulting Numbers: [58, 78] Generated Node #0,2,4: 100:[58, 78] Operation: 109-31=78 Moving to Node #0,3 Current State: 100:[31, 68, 99], Operations: ['58+41=99'] Exploring Operation: 31+68=99, Resulting Numbers: [99, 99] Generated Node #0,3,0: 100:[99, 99] Operation: 31+68=99 Exploring Operation: 31+99=130, Resulting Numbers: [68, 130] Generated Node #0,3,1: 100:[68, 130] Operation: 31+99=130 Exploring Operation: 99-31=68, Resulting Numbers: [68, 68] Generated Node #0,3,2: 100:[68, 68] Operation: 99-31=68 Exploring Operation: 68-31=37, Resulting Numbers: [99, 37] Generated Node #0,3,3: 100:[99, 37] Operation: 68-31=37 Exploring Operation: 99-68=31, Resulting Numbers: [31, 31] Generated Node #0,3,4: 100:[31, 31] Operation: 99-68=31 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 100:[99, 99], Operations: ['58+41=99', '31+68=99'] Exploring Operation: 99-99=0, Resulting Numbers: [0] 0,100 unequal: No Solution Exploring Operation: 99*99=9801, Resulting Numbers: [9801] 9801,100 unequal: No Solution Exploring Operation: 99/99=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 99+99=198, Resulting Numbers: [198] 198,100 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 #0,3,4 Current State: 100:[31, 31], Operations: ['58+41=99', '99-68=31'] Exploring Operation: 31*31=961, Resulting Numbers: [961] 961,100 unequal: No Solution Exploring Operation: 31-31=0, Resulting Numbers: [0] 0,100 unequal: No Solution Exploring Operation: 31/31=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 31+31=62, Resulting Numbers: [62] 62,100 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 #0,3,3 Current State: 100:[99, 37], Operations: ['58+41=99', '68-31=37'] Exploring Operation: 99-37=62, Resulting Numbers: [62] 62,100 unequal: No Solution Exploring Operation: 99*37=3663, Resulting Numbers: [3663] 3663,100 unequal: No Solution Exploring Operation: 99+37=136, Resulting Numbers: [136] 136,100 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 #0,3,2 Current State: 100:[68, 68], Operations: ['58+41=99', '99-31=68'] Exploring Operation: 68/68=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 68+68=136, Resulting Numbers: [136] 136,100 unequal: No Solution Exploring Operation: 68*68=4624, Resulting Numbers: [4624] 4624,100 unequal: No Solution Exploring Operation: 68-68=0, Resulting Numbers: [0] 0,100 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 #0,3,1 Current State: 100:[68, 130], Operations: ['58+41=99', '31+99=130'] Exploring Operation: 68*130=8840, Resulting Numbers: [8840] 8840,100 unequal: No Solution Exploring Operation: 68+130=198, Resulting Numbers: [198] 198,100 unequal: No Solution Exploring Operation: 130-68=62, Resulting Numbers: [62] 62,100 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: 100:[10, 10], Operations: ['68-58=10', '41-31=10'] Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[31, 68, 58, 41], Operations: [] Exploring Operation: 68-58=10, Resulting Numbers: [31, 41, 10] Generated Node #0,0: 100:[31, 41, 10] Operation: 68-58=10 Moving to Node #0,0 Current State: 100:[31, 41, 10], Operations: ['68-58=10'] Exploring Operation: 41-31=10, Resulting Numbers: [10, 10] Generated Node #0,0,1: 100:[10, 10] Operation: 41-31=10 Moving to Node #0,0,1 Current State: 100:[10, 10], Operations: ['68-58=10', '41-31=10'] Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
0.938368
hs_5
mult_heuristic
[ 2, 53, 81, 22 ]
19
[ "53-22=31", "2*31=62", "81-62=19" ]
Current State: 19:[2, 53, 81, 22], Operations: [] Exploring Operation: 53-22=31, Resulting Numbers: [2, 81, 31] Generated Node #2: [2, 81, 31] from Operation: 53-22=31 Current State: 19:[2, 81, 31], Operations: ['53-22=31'] Exploring Operation: 2*31=62, Resulting Numbers: [81, 62] Generated Node #3: [81, 62] from Operation: 2*31=62 Current State: 19:[81, 62], Operations: ['53-22=31', '2*31=62'] Exploring Operation: 81-62=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[2, 53, 81, 22], Operations: [] Exploring Operation: 53-22=31, Resulting Numbers: [2, 81, 31] Generated Node #0,0: 19:[2, 81, 31] Operation: 53-22=31 Exploring Operation: 81-53=28, Resulting Numbers: [2, 22, 28] Generated Node #0,1: 19:[2, 22, 28] Operation: 81-53=28 Moving to Node #0,1 Current State: 19:[2, 22, 28], Operations: ['81-53=28'] Exploring Operation: 28/2=14, Resulting Numbers: [22, 14] Generated Node #0,1,0: 19:[22, 14] Operation: 28/2=14 Exploring Operation: 22-2=20, Resulting Numbers: [28, 20] Generated Node #0,1,1: 19:[28, 20] Operation: 22-2=20 Moving to Node #0,0 Current State: 19:[2, 81, 31], Operations: ['53-22=31'] Exploring Operation: 81-31=50, Resulting Numbers: [2, 50] Generated Node #0,0,0: 19:[2, 50] Operation: 81-31=50 Exploring Operation: 81-2=79, Resulting Numbers: [31, 79] Generated Node #0,0,1: 19:[31, 79] Operation: 81-2=79 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[2, 50], Operations: ['53-22=31', '81-31=50'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,19 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,19 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:[31, 79], Operations: ['53-22=31', '81-2=79'] Exploring Operation: 31+79=110, Resulting Numbers: [110] 110,19 unequal: No Solution Exploring Operation: 79-31=48, Resulting Numbers: [48] 48,19 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: 19:[22, 14], Operations: ['81-53=28', '28/2=14'] Exploring Operation: 22+14=36, Resulting Numbers: [36] 36,19 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[28, 20], Operations: ['81-53=28', '22-2=20'] Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,19 unequal: No Solution Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,19 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 95, 7, 34, 22 ]
100
[ "95-7=88", "34-22=12", "88+12=100" ]
Current State: 100:[95, 7, 34, 22], Operations: [] Exploring Operation: 95-7=88, Resulting Numbers: [34, 22, 88] Generated Node #2: [34, 22, 88] from Operation: 95-7=88 Current State: 100:[34, 22, 88], Operations: ['95-7=88'] Exploring Operation: 34-22=12, Resulting Numbers: [88, 12] Generated Node #3: [88, 12] from Operation: 34-22=12 Current State: 100:[88, 12], Operations: ['95-7=88', '34-22=12'] Exploring Operation: 88+12=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[95, 7, 34, 22], Operations: [] Exploring Operation: 34-22=12, Resulting Numbers: [95, 7, 12] Generated Node #0,0: 100:[95, 7, 12] Operation: 34-22=12 Exploring Operation: 95+7=102, Resulting Numbers: [34, 22, 102] Generated Node #0,1: 100:[34, 22, 102] Operation: 95+7=102 Exploring Operation: 34+22=56, Resulting Numbers: [95, 7, 56] Generated Node #0,2: 100:[95, 7, 56] Operation: 34+22=56 Exploring Operation: 34-7=27, Resulting Numbers: [95, 22, 27] Generated Node #0,3: 100:[95, 22, 27] Operation: 34-7=27 Exploring Operation: 95-34=61, Resulting Numbers: [7, 22, 61] Generated Node #0,4: 100:[7, 22, 61] Operation: 95-34=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[95, 7, 12], Operations: ['34-22=12'] Exploring Operation: 7+12=19, Resulting Numbers: [95, 19] Generated Node #0,0,0: 100:[95, 19] Operation: 7+12=19 Exploring Operation: 12-7=5, Resulting Numbers: [95, 5] Generated Node #0,0,1: 100:[95, 5] Operation: 12-7=5 Exploring Operation: 95-7=88, Resulting Numbers: [12, 88] Generated Node #0,0,2: 100:[12, 88] Operation: 95-7=88 Exploring Operation: 95+12=107, Resulting Numbers: [7, 107] Generated Node #0,0,3: 100:[7, 107] Operation: 95+12=107 Exploring Operation: 95+7=102, Resulting Numbers: [12, 102] Generated Node #0,0,4: 100:[12, 102] Operation: 95+7=102 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 100:[12, 102], Operations: ['34-22=12', '95+7=102'] Exploring Operation: 12*102=1224, Resulting Numbers: [1224] 1224,100 unequal: No Solution Exploring Operation: 12+102=114, Resulting Numbers: [114] 114,100 unequal: No Solution Exploring Operation: 102-12=90, Resulting Numbers: [90] 90,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[95, 5], Operations: ['34-22=12', '12-7=5'] Exploring Operation: 95*5=475, Resulting Numbers: [475] 475,100 unequal: No Solution Exploring Operation: 95+5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[95, 7, 34, 22], Operations: [] Exploring Operation: 34-22=12, Resulting Numbers: [95, 7, 12] Generated Node #0,0: 100:[95, 7, 12] Operation: 34-22=12 Moving to Node #0,0 Current State: 100:[95, 7, 12], Operations: ['34-22=12'] Exploring Operation: 12-7=5, Resulting Numbers: [95, 5] Generated Node #0,0,1: 100:[95, 5] Operation: 12-7=5 Moving to Node #0,0,1 Current State: 100:[95, 5], Operations: ['34-22=12', '12-7=5'] Exploring Operation: 95+5=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 24, 4, 73, 14 ]
71
[ "24+4=28", "28/14=2", "73-2=71" ]
Current State: 71:[24, 4, 73, 14], Operations: [] Exploring Operation: 24+4=28, Resulting Numbers: [73, 14, 28] Generated Node #2: [73, 14, 28] from Operation: 24+4=28 Current State: 71:[73, 14, 28], Operations: ['24+4=28'] Exploring Operation: 28/14=2, Resulting Numbers: [73, 2] Generated Node #3: [73, 2] from Operation: 28/14=2 Current State: 71:[73, 2], Operations: ['24+4=28', '28/14=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[24, 4, 73, 14], Operations: [] Exploring Operation: 24*4=96, Resulting Numbers: [73, 14, 96] Generated Node #0,0: 71:[73, 14, 96] Operation: 24*4=96 Exploring Operation: 24+4=28, Resulting Numbers: [73, 14, 28] Generated Node #0,1: 71:[73, 14, 28] Operation: 24+4=28 Exploring Operation: 4*14=56, Resulting Numbers: [24, 73, 56] Generated Node #0,2: 71:[24, 73, 56] Operation: 4*14=56 Moving to Node #0,2 Current State: 71:[24, 73, 56], Operations: ['4*14=56'] Exploring Operation: 24+73=97, Resulting Numbers: [56, 97] Generated Node #0,2,0: 71:[56, 97] Operation: 24+73=97 Exploring Operation: 73-24=49, Resulting Numbers: [56, 49] Generated Node #0,2,1: 71:[56, 49] Operation: 73-24=49 Exploring Operation: 24+56=80, Resulting Numbers: [73, 80] Generated Node #0,2,2: 71:[73, 80] Operation: 24+56=80 Moving to Node #0,0 Current State: 71:[73, 14, 96], Operations: ['24*4=96'] Exploring Operation: 96-14=82, Resulting Numbers: [73, 82] Generated Node #0,0,0: 71:[73, 82] Operation: 96-14=82 Exploring Operation: 73+14=87, Resulting Numbers: [96, 87] Generated Node #0,0,1: 71:[96, 87] Operation: 73+14=87 Exploring Operation: 73-14=59, Resulting Numbers: [96, 59] Generated Node #0,0,2: 71:[96, 59] Operation: 73-14=59 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[73, 82], Operations: ['24*4=96', '96-14=82'] Exploring Operation: 82-73=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 73*82=5986, Resulting Numbers: [5986] 5986,71 unequal: No Solution Exploring Operation: 73+82=155, Resulting Numbers: [155] 155,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[96, 59], Operations: ['24*4=96', '73-14=59'] Exploring Operation: 96+59=155, Resulting Numbers: [155] 155,71 unequal: No Solution Exploring Operation: 96-59=37, Resulting Numbers: [37] 37,71 unequal: No Solution Exploring Operation: 96*59=5664, Resulting Numbers: [5664] 5664,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[96, 87], Operations: ['24*4=96', '73+14=87'] Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 96+87=183, Resulting Numbers: [183] 183,71 unequal: No Solution Exploring Operation: 96*87=8352, Resulting Numbers: [8352] 8352,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 71:[73, 14, 28], Operations: ['24+4=28'] Exploring Operation: 73-14=59, Resulting Numbers: [28, 59] Generated Node #0,1,0: 71:[28, 59] Operation: 73-14=59 Exploring Operation: 14+28=42, Resulting Numbers: [73, 42] Generated Node #0,1,1: 71:[73, 42] Operation: 14+28=42 Exploring Operation: 73+14=87, Resulting Numbers: [28, 87] Generated Node #0,1,2: 71:[28, 87] Operation: 73+14=87 Moving to Node #0,2,2 Current State: 71:[73, 80], Operations: ['4*14=56', '24+56=80'] Exploring Operation: 80-73=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 73+80=153, Resulting Numbers: [153] 153,71 unequal: No Solution Exploring Operation: 73*80=5840, Resulting Numbers: [5840] 5840,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[73, 42], Operations: ['24+4=28', '14+28=42'] Exploring Operation: 73-42=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 73*42=3066, Resulting Numbers: [3066] 3066,71 unequal: No Solution Exploring Operation: 73+42=115, Resulting Numbers: [115] 115,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[56, 49], Operations: ['4*14=56', '73-24=49'] Exploring Operation: 56+49=105, Resulting Numbers: [105] 105,71 unequal: No Solution Exploring Operation: 56*49=2744, Resulting Numbers: [2744] 2744,71 unequal: No Solution Exploring Operation: 56-49=7, Resulting Numbers: [7] 7,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[56, 97], Operations: ['4*14=56', '24+73=97'] Exploring Operation: 97-56=41, Resulting Numbers: [41] 41,71 unequal: No Solution Exploring Operation: 56+97=153, Resulting Numbers: [153] 153,71 unequal: No Solution Exploring Operation: 56*97=5432, Resulting Numbers: [5432] 5432,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[28, 59], Operations: ['24+4=28', '73-14=59'] Exploring Operation: 28+59=87, Resulting Numbers: [87] 87,71 unequal: No Solution Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 28*59=1652, Resulting Numbers: [1652] 1652,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[28, 87], Operations: ['24+4=28', '73+14=87'] Exploring Operation: 28*87=2436, Resulting Numbers: [2436] 2436,71 unequal: No Solution Exploring Operation: 28+87=115, Resulting Numbers: [115] 115,71 unequal: No Solution Exploring Operation: 87-28=59, Resulting Numbers: [59] 59,71 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 2, 99, 60, 85 ]
76
[ "2+99=101", "85-60=25", "101-25=76" ]
Current State: 76:[2, 99, 60, 85], Operations: [] Exploring Operation: 2+99=101, Resulting Numbers: [60, 85, 101] Generated Node #2: [60, 85, 101] from Operation: 2+99=101 Current State: 76:[60, 85, 101], Operations: ['2+99=101'] Exploring Operation: 85-60=25, Resulting Numbers: [101, 25] Generated Node #3: [101, 25] from Operation: 85-60=25 Current State: 76:[101, 25], Operations: ['2+99=101', '85-60=25'] Exploring Operation: 101-25=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[2, 99, 60, 85], Operations: [] Exploring Operation: 99-60=39, Resulting Numbers: [2, 85, 39] Generated Node #0,0: 76:[2, 85, 39] Operation: 99-60=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[2, 85, 39], Operations: ['99-60=39'] Exploring Operation: 85-2=83, Resulting Numbers: [39, 83] Generated Node #0,0,0: 76:[39, 83] Operation: 85-2=83 Moving to Node #0,0,0 Current State: 76:[39, 83], Operations: ['99-60=39', '85-2=83'] Exploring Operation: 83-39=44, Resulting Numbers: [44] 44,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 63, 21, 18, 76 ]
97
[ "63/21=3", "18+76=94", "3+94=97" ]
Current State: 97:[63, 21, 18, 76], Operations: [] Exploring Operation: 63/21=3, Resulting Numbers: [18, 76, 3] Generated Node #2: [18, 76, 3] from Operation: 63/21=3 Current State: 97:[18, 76, 3], Operations: ['63/21=3'] Exploring Operation: 18+76=94, Resulting Numbers: [3, 94] Generated Node #3: [3, 94] from Operation: 18+76=94 Current State: 97:[3, 94], Operations: ['63/21=3', '18+76=94'] Exploring Operation: 3+94=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[63, 21, 18, 76], Operations: [] Exploring Operation: 63+18=81, Resulting Numbers: [21, 76, 81] Generated Node #0,0: 97:[21, 76, 81] Operation: 63+18=81 Exploring Operation: 63+21=84, Resulting Numbers: [18, 76, 84] Generated Node #0,1: 97:[18, 76, 84] Operation: 63+21=84 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[21, 76, 81], Operations: ['63+18=81'] Exploring Operation: 21+81=102, Resulting Numbers: [76, 102] Generated Node #0,0,0: 97:[76, 102] Operation: 21+81=102 Exploring Operation: 21+76=97, Resulting Numbers: [81, 97] Generated Node #0,0,1: 97:[81, 97] Operation: 21+76=97 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[81, 97], Operations: ['63+18=81', '21+76=97'] Exploring Operation: 97-81=16, Resulting Numbers: [16] 16,97 unequal: No Solution Exploring Operation: 81+97=178, Resulting Numbers: [178] 178,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[76, 102], Operations: ['63+18=81', '21+81=102'] Exploring Operation: 76+102=178, Resulting Numbers: [178] 178,97 unequal: No Solution Exploring Operation: 102-76=26, Resulting Numbers: [26] 26,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[18, 76, 84], Operations: ['63+21=84'] Exploring Operation: 18+84=102, Resulting Numbers: [76, 102] Generated Node #0,1,0: 97:[76, 102] Operation: 18+84=102 Exploring Operation: 18+76=94, Resulting Numbers: [84, 94] Generated Node #0,1,1: 97:[84, 94] Operation: 18+76=94 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[84, 94], Operations: ['63+21=84', '18+76=94'] Exploring Operation: 84+94=178, Resulting Numbers: [178] 178,97 unequal: No Solution Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[76, 102], Operations: ['63+21=84', '18+84=102'] Exploring Operation: 76+102=178, Resulting Numbers: [178] 178,97 unequal: No Solution Exploring Operation: 102-76=26, Resulting Numbers: [26] 26,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 73, 76, 37, 2 ]
93
[ "73+76=149", "37+149=186", "186/2=93" ]
Current State: 93:[73, 76, 37, 2], Operations: [] Exploring Operation: 73+76=149, Resulting Numbers: [37, 2, 149] Generated Node #2: [37, 2, 149] from Operation: 73+76=149 Current State: 93:[37, 2, 149], Operations: ['73+76=149'] Exploring Operation: 37+149=186, Resulting Numbers: [2, 186] Generated Node #3: [2, 186] from Operation: 37+149=186 Current State: 93:[2, 186], Operations: ['73+76=149', '37+149=186'] Exploring Operation: 186/2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[73, 76, 37, 2], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [37, 2, 3] Generated Node #0,0: 93:[37, 2, 3] Operation: 76-73=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[37, 2, 3], Operations: ['76-73=3'] Exploring Operation: 37-2=35, Resulting Numbers: [3, 35] Generated Node #0,0,0: 93:[3, 35] Operation: 37-2=35 Moving to Node #0,0,0 Current State: 93:[3, 35], Operations: ['76-73=3', '37-2=35'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,93 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
[ 41, 17, 36, 48 ]
34
[ "41-17=24", "48/24=2", "36-2=34" ]
Current State: 34:[41, 17, 36, 48], Operations: [] Exploring Operation: 41-17=24, Resulting Numbers: [36, 48, 24] Generated Node #2: [36, 48, 24] from Operation: 41-17=24 Current State: 34:[36, 48, 24], Operations: ['41-17=24'] Exploring Operation: 48/24=2, Resulting Numbers: [36, 2] Generated Node #3: [36, 2] from Operation: 48/24=2 Current State: 34:[36, 2], Operations: ['41-17=24', '48/24=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[41, 17, 36, 48], Operations: [] Exploring Operation: 48-41=7, Resulting Numbers: [17, 36, 7] Generated Node #0,0: 34:[17, 36, 7] Operation: 48-41=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[17, 36, 7], Operations: ['48-41=7'] Exploring Operation: 36-7=29, Resulting Numbers: [17, 29] Generated Node #0,0,0: 34:[17, 29] Operation: 36-7=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[17, 29], Operations: ['48-41=7', '36-7=29'] Exploring Operation: 29-17=12, Resulting Numbers: [12] 12,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 6, 4, 76, 95 ]
82
[ "6+95=101", "76/4=19", "101-19=82" ]
Current State: 82:[6, 4, 76, 95], Operations: [] Exploring Operation: 6+95=101, Resulting Numbers: [4, 76, 101] Generated Node #2: [4, 76, 101] from Operation: 6+95=101 Current State: 82:[4, 76, 101], Operations: ['6+95=101'] Exploring Operation: 76/4=19, Resulting Numbers: [101, 19] Generated Node #3: [101, 19] from Operation: 76/4=19 Current State: 82:[101, 19], Operations: ['6+95=101', '76/4=19'] Exploring Operation: 101-19=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[6, 4, 76, 95], Operations: [] Exploring Operation: 6+76=82, Resulting Numbers: [4, 95, 82] Generated Node #0,0: 82:[4, 95, 82] Operation: 6+76=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[4, 95, 82], Operations: ['6+76=82'] Exploring Operation: 95-4=91, Resulting Numbers: [82, 91] Generated Node #0,0,0: 82:[82, 91] Operation: 95-4=91 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[82, 91], Operations: ['6+76=82', '95-4=91'] Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,82 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 No solution found.
0
hs_1
mult_heuristic
[ 88, 85, 32, 93 ]
92
[ "93-85=8", "32/8=4", "88+4=92" ]
Current State: 92:[88, 85, 32, 93], Operations: [] Exploring Operation: 93-85=8, Resulting Numbers: [88, 32, 8] Generated Node #2: [88, 32, 8] from Operation: 93-85=8 Current State: 92:[88, 32, 8], Operations: ['93-85=8'] Exploring Operation: 32/8=4, Resulting Numbers: [88, 4] Generated Node #3: [88, 4] from Operation: 32/8=4 Current State: 92:[88, 4], Operations: ['93-85=8', '32/8=4'] Exploring Operation: 88+4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[88, 85, 32, 93], Operations: [] Exploring Operation: 85-32=53, Resulting Numbers: [88, 93, 53] Generated Node #0,0: 92:[88, 93, 53] Operation: 85-32=53 Exploring Operation: 88-85=3, Resulting Numbers: [32, 93, 3] Generated Node #0,1: 92:[32, 93, 3] Operation: 88-85=3 Exploring Operation: 93-88=5, Resulting Numbers: [85, 32, 5] Generated Node #0,2: 92:[85, 32, 5] Operation: 93-88=5 Moving to Node #0,1 Current State: 92:[32, 93, 3], Operations: ['88-85=3'] Exploring Operation: 93-3=90, Resulting Numbers: [32, 90] Generated Node #0,1,0: 92:[32, 90] Operation: 93-3=90 Exploring Operation: 32*3=96, Resulting Numbers: [93, 96] Generated Node #0,1,1: 92:[93, 96] Operation: 32*3=96 Exploring Operation: 32-3=29, Resulting Numbers: [93, 29] Generated Node #0,1,2: 92:[93, 29] Operation: 32-3=29 Moving to Node #0,0 Current State: 92:[88, 93, 53], Operations: ['85-32=53'] Exploring Operation: 93-53=40, Resulting Numbers: [88, 40] Generated Node #0,0,0: 92:[88, 40] Operation: 93-53=40 Exploring Operation: 88-53=35, Resulting Numbers: [93, 35] Generated Node #0,0,1: 92:[93, 35] Operation: 88-53=35 Exploring Operation: 93-88=5, Resulting Numbers: [53, 5] Generated Node #0,0,2: 92:[53, 5] Operation: 93-88=5 Moving to Node #0,2 Current State: 92:[85, 32, 5], Operations: ['93-88=5'] Exploring Operation: 85+5=90, Resulting Numbers: [32, 90] Generated Node #0,2,0: 92:[32, 90] Operation: 85+5=90 Exploring Operation: 85-32=53, Resulting Numbers: [5, 53] Generated Node #0,2,1: 92:[5, 53] Operation: 85-32=53 Exploring Operation: 32-5=27, Resulting Numbers: [85, 27] Generated Node #0,2,2: 92:[85, 27] Operation: 32-5=27 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[5, 53], Operations: ['93-88=5', '85-32=53'] Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,92 unequal: No Solution Exploring Operation: 5*53=265, Resulting Numbers: [265] 265,92 unequal: No Solution Exploring Operation: 5+53=58, Resulting Numbers: [58] 58,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[32, 90], Operations: ['93-88=5', '85+5=90'] Exploring Operation: 90-32=58, Resulting Numbers: [58] 58,92 unequal: No Solution Exploring Operation: 32+90=122, Resulting Numbers: [122] 122,92 unequal: No Solution Exploring Operation: 32*90=2880, Resulting Numbers: [2880] 2880,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[85, 27], Operations: ['93-88=5', '32-5=27'] Exploring Operation: 85*27=2295, Resulting Numbers: [2295] 2295,92 unequal: No Solution Exploring Operation: 85+27=112, Resulting Numbers: [112] 112,92 unequal: No Solution Exploring Operation: 85-27=58, Resulting Numbers: [58] 58,92 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: 92:[93, 96], Operations: ['88-85=3', '32*3=96'] Exploring Operation: 93+96=189, Resulting Numbers: [189] 189,92 unequal: No Solution Exploring Operation: 96-93=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 93*96=8928, Resulting Numbers: [8928] 8928,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[93, 29], Operations: ['88-85=3', '32-3=29'] Exploring Operation: 93-29=64, Resulting Numbers: [64] 64,92 unequal: No Solution Exploring Operation: 93+29=122, Resulting Numbers: [122] 122,92 unequal: No Solution Exploring Operation: 93*29=2697, Resulting Numbers: [2697] 2697,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[53, 5], Operations: ['85-32=53', '93-88=5'] Exploring Operation: 53*5=265, Resulting Numbers: [265] 265,92 unequal: No Solution Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,92 unequal: No Solution Exploring Operation: 53-5=48, Resulting Numbers: [48] 48,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[88, 40], Operations: ['85-32=53', '93-53=40'] Exploring Operation: 88*40=3520, Resulting Numbers: [3520] 3520,92 unequal: No Solution Exploring Operation: 88+40=128, Resulting Numbers: [128] 128,92 unequal: No Solution Exploring Operation: 88-40=48, Resulting Numbers: [48] 48,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[32, 90], Operations: ['88-85=3', '93-3=90'] Exploring Operation: 32*90=2880, Resulting Numbers: [2880] 2880,92 unequal: No Solution Exploring Operation: 32+90=122, Resulting Numbers: [122] 122,92 unequal: No Solution Exploring Operation: 90-32=58, Resulting Numbers: [58] 58,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[93, 35], Operations: ['85-32=53', '88-53=35'] Exploring Operation: 93*35=3255, Resulting Numbers: [3255] 3255,92 unequal: No Solution Exploring Operation: 93+35=128, Resulting Numbers: [128] 128,92 unequal: No Solution Exploring Operation: 93-35=58, Resulting Numbers: [58] 58,92 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 70, 21, 61, 21 ]
89
[ "70-21=49", "61-21=40", "49+40=89" ]
Current State: 89:[70, 21, 61, 21], Operations: [] Exploring Operation: 70-21=49, Resulting Numbers: [61, 49] Generated Node #2: [61, 49] from Operation: 70-21=49 Current State: 89:[61, 49], Operations: ['70-21=49'] Exploring Operation: 61-21=40, Resulting Numbers: [49, 40] Generated Node #3: [49, 40] from Operation: 61-21=40 Current State: 89:[49, 40], Operations: ['70-21=49', '61-21=40'] Exploring Operation: 49+40=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[70, 21, 61, 21], Operations: [] Exploring Operation: 21+61=82, Resulting Numbers: [70, 21, 82] Generated Node #0,0: 89:[70, 21, 82] Operation: 21+61=82 Exploring Operation: 61+21=82, Resulting Numbers: [70, 21, 82] Generated Node #0,1: 89:[70, 21, 82] Operation: 61+21=82 Exploring Operation: 21+21=42, Resulting Numbers: [70, 61, 42] Generated Node #0,2: 89:[70, 61, 42] Operation: 21+21=42 Exploring Operation: 70+21=91, Resulting Numbers: [61, 21, 91] Generated Node #0,3: 89:[61, 21, 91] Operation: 70+21=91 Exploring Operation: 70+21=91, Resulting Numbers: [21, 61, 91] Generated Node #0,4: 89:[21, 61, 91] Operation: 70+21=91 Moving to Node #0,0 Current State: 89:[70, 21, 82], Operations: ['21+61=82'] Exploring Operation: 70-21=49, Resulting Numbers: [82, 49] Generated Node #0,0,0: 89:[82, 49] Operation: 70-21=49 Exploring Operation: 70+21=91, Resulting Numbers: [82, 91] Generated Node #0,0,1: 89:[82, 91] Operation: 70+21=91 Exploring Operation: 70+82=152, Resulting Numbers: [21, 152] Generated Node #0,0,2: 89:[21, 152] Operation: 70+82=152 Exploring Operation: 82-21=61, Resulting Numbers: [70, 61] Generated Node #0,0,3: 89:[70, 61] Operation: 82-21=61 Exploring Operation: 21+82=103, Resulting Numbers: [70, 103] Generated Node #0,0,4: 89:[70, 103] Operation: 21+82=103 Moving to Node #0,2 Current State: 89:[70, 61, 42], Operations: ['21+21=42'] Exploring Operation: 61+42=103, Resulting Numbers: [70, 103] Generated Node #0,2,0: 89:[70, 103] Operation: 61+42=103 Exploring Operation: 70+42=112, Resulting Numbers: [61, 112] Generated Node #0,2,1: 89:[61, 112] Operation: 70+42=112 Exploring Operation: 70-42=28, Resulting Numbers: [61, 28] Generated Node #0,2,2: 89:[61, 28] Operation: 70-42=28 Exploring Operation: 61-42=19, Resulting Numbers: [70, 19] Generated Node #0,2,3: 89:[70, 19] Operation: 61-42=19 Exploring Operation: 70+61=131, Resulting Numbers: [42, 131] Generated Node #0,2,4: 89:[42, 131] Operation: 70+61=131 Moving to Node #0,1 Current State: 89:[70, 21, 82], Operations: ['61+21=82'] Exploring Operation: 70-21=49, Resulting Numbers: [82, 49] Generated Node #0,1,0: 89:[82, 49] Operation: 70-21=49 Exploring Operation: 70+21=91, Resulting Numbers: [82, 91] Generated Node #0,1,1: 89:[82, 91] Operation: 70+21=91 Exploring Operation: 82-21=61, Resulting Numbers: [70, 61] Generated Node #0,1,2: 89:[70, 61] Operation: 82-21=61 Exploring Operation: 21+82=103, Resulting Numbers: [70, 103] Generated Node #0,1,3: 89:[70, 103] Operation: 21+82=103 Exploring Operation: 70+82=152, Resulting Numbers: [21, 152] Generated Node #0,1,4: 89:[21, 152] Operation: 70+82=152 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[82, 91], Operations: ['61+21=82', '70+21=91'] Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 82*91=7462, Resulting Numbers: [7462] 7462,89 unequal: No Solution Exploring Operation: 82+91=173, Resulting Numbers: [173] 173,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 89:[70, 103], Operations: ['61+21=82', '21+82=103'] Exploring Operation: 70+103=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 103-70=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 70*103=7210, Resulting Numbers: [7210] 7210,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[82, 49], Operations: ['61+21=82', '70-21=49'] Exploring Operation: 82+49=131, Resulting Numbers: [131] 131,89 unequal: No Solution Exploring Operation: 82*49=4018, Resulting Numbers: [4018] 4018,89 unequal: No Solution Exploring Operation: 82-49=33, Resulting Numbers: [33] 33,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[70, 61], Operations: ['61+21=82', '82-21=61'] Exploring Operation: 70-61=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 70*61=4270, Resulting Numbers: [4270] 4270,89 unequal: No Solution Exploring Operation: 70+61=131, Resulting Numbers: [131] 131,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 89:[21, 152], Operations: ['61+21=82', '70+82=152'] Exploring Operation: 21+152=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 152-21=131, Resulting Numbers: [131] 131,89 unequal: No Solution Exploring Operation: 21*152=3192, Resulting Numbers: [3192] 3192,89 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: 89:[61, 21, 91], Operations: ['70+21=91'] Exploring Operation: 21+91=112, Resulting Numbers: [61, 112] Generated Node #0,3,0: 89:[61, 112] Operation: 21+91=112 Exploring Operation: 91-61=30, Resulting Numbers: [21, 30] Generated Node #0,3,1: 89:[21, 30] Operation: 91-61=30 Exploring Operation: 91-21=70, Resulting Numbers: [61, 70] Generated Node #0,3,2: 89:[61, 70] Operation: 91-21=70 Exploring Operation: 61-21=40, Resulting Numbers: [91, 40] Generated Node #0,3,3: 89:[91, 40] Operation: 61-21=40 Exploring Operation: 61+21=82, Resulting Numbers: [91, 82] Generated Node #0,3,4: 89:[91, 82] Operation: 61+21=82 Moving to Node #0,4 Current State: 89:[21, 61, 91], Operations: ['70+21=91'] Exploring Operation: 91-61=30, Resulting Numbers: [21, 30] Generated Node #0,4,0: 89:[21, 30] Operation: 91-61=30 Exploring Operation: 91-21=70, Resulting Numbers: [61, 70] Generated Node #0,4,1: 89:[61, 70] Operation: 91-21=70 Exploring Operation: 21+91=112, Resulting Numbers: [61, 112] Generated Node #0,4,2: 89:[61, 112] Operation: 21+91=112 Exploring Operation: 61-21=40, Resulting Numbers: [91, 40] Generated Node #0,4,3: 89:[91, 40] Operation: 61-21=40 Exploring Operation: 21+61=82, Resulting Numbers: [91, 82] Generated Node #0,4,4: 89:[91, 82] Operation: 21+61=82 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 89:[91, 82], Operations: ['70+21=91', '21+61=82'] Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 91+82=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 91*82=7462, Resulting Numbers: [7462] 7462,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 89:[61, 70], Operations: ['70+21=91', '91-21=70'] Exploring Operation: 61*70=4270, Resulting Numbers: [4270] 4270,89 unequal: No Solution Exploring Operation: 70-61=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 61+70=131, Resulting Numbers: [131] 131,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 89:[61, 112], Operations: ['70+21=91', '21+91=112'] Exploring Operation: 61+112=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 61*112=6832, Resulting Numbers: [6832] 6832,89 unequal: No Solution Exploring Operation: 112-61=51, Resulting Numbers: [51] 51,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 89:[91, 40], Operations: ['70+21=91', '61-21=40'] Exploring Operation: 91+40=131, Resulting Numbers: [131] 131,89 unequal: No Solution Exploring Operation: 91*40=3640, Resulting Numbers: [3640] 3640,89 unequal: No Solution Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 89:[21, 30], Operations: ['70+21=91', '91-61=30'] Exploring Operation: 21*30=630, Resulting Numbers: [630] 630,89 unequal: No Solution Exploring Operation: 21+30=51, Resulting Numbers: [51] 51,89 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,89 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: 89:[82, 91], Operations: ['21+61=82', '70+21=91'] Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 82*91=7462, Resulting Numbers: [7462] 7462,89 unequal: No Solution Exploring Operation: 82+91=173, Resulting Numbers: [173] 173,89 unequal: No Solution Moving to Node #0,3,4 Current State: 89:[91, 82], Operations: ['70+21=91', '61+21=82'] Exploring Operation: 91+82=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 91*82=7462, Resulting Numbers: [7462] 7462,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[70, 103], Operations: ['21+21=42', '61+42=103'] Exploring Operation: 70+103=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 70*103=7210, Resulting Numbers: [7210] 7210,89 unequal: No Solution Exploring Operation: 103-70=33, Resulting Numbers: [33] 33,89 unequal: No Solution Moving to Node #0,0,4 Current State: 89:[70, 103], Operations: ['21+61=82', '21+82=103'] Exploring Operation: 70*103=7210, Resulting Numbers: [7210] 7210,89 unequal: No Solution Exploring Operation: 70+103=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 103-70=33, Resulting Numbers: [33] 33,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[82, 49], Operations: ['21+61=82', '70-21=49'] Exploring Operation: 82-49=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 82+49=131, Resulting Numbers: [131] 131,89 unequal: No Solution Exploring Operation: 82*49=4018, Resulting Numbers: [4018] 4018,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[61, 70], Operations: ['70+21=91', '91-21=70'] Exploring Operation: 61+70=131, Resulting Numbers: [131] 131,89 unequal: No Solution Exploring Operation: 70-61=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 61*70=4270, Resulting Numbers: [4270] 4270,89 unequal: No Solution Moving to Node #0,0,3 Current State: 89:[70, 61], Operations: ['21+61=82', '82-21=61'] Exploring Operation: 70*61=4270, Resulting Numbers: [4270] 4270,89 unequal: No Solution Exploring Operation: 70-61=9, Resulting Numbers: [9] 9,89 unequal: No Solution Exploring Operation: 70+61=131, Resulting Numbers: [131] 131,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[61, 112], Operations: ['21+21=42', '70+42=112'] Exploring Operation: 112-61=51, Resulting Numbers: [51] 51,89 unequal: No Solution Exploring Operation: 61+112=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 61*112=6832, Resulting Numbers: [6832] 6832,89 unequal: No Solution Moving to Node #0,3,3 Current State: 89:[91, 40], Operations: ['70+21=91', '61-21=40'] Exploring Operation: 91*40=3640, Resulting Numbers: [3640] 3640,89 unequal: No Solution Exploring Operation: 91-40=51, Resulting Numbers: [51] 51,89 unequal: No Solution Exploring Operation: 91+40=131, Resulting Numbers: [131] 131,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[61, 112], Operations: ['70+21=91', '21+91=112'] Exploring Operation: 61+112=173, Resulting Numbers: [173] 173,89 unequal: No Solution Exploring Operation: 112-61=51, Resulting Numbers: [51] 51,89 unequal: No Solution Exploring Operation: 61*112=6832, Resulting Numbers: [6832] 6832,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[61, 28], Operations: ['21+21=42', '70-42=28'] Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,89 unequal: No Solution Exploring Operation: 61*28=1708, Resulting Numbers: [1708] 1708,89 unequal: No Solution Exploring Operation: 61+28=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[70, 21, 61, 21], Operations: [] Exploring Operation: 21+21=42, Resulting Numbers: [70, 61, 42] Generated Node #0,2: 89:[70, 61, 42] Operation: 21+21=42 Moving to Node #0,2 Current State: 89:[70, 61, 42], Operations: ['21+21=42'] Exploring Operation: 70-42=28, Resulting Numbers: [61, 28] Generated Node #0,2,2: 89:[61, 28] Operation: 70-42=28 Moving to Node #0,2,2 Current State: 89:[61, 28], Operations: ['21+21=42', '70-42=28'] Exploring Operation: 61+28=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
0.915799
hs_5
sum_heuristic
[ 16, 34, 64, 26 ]
70
[ "64/16=4", "26*4=104", "104-34=70" ]
Current State: 70:[16, 34, 64, 26], Operations: [] Exploring Operation: 64/16=4, Resulting Numbers: [34, 26, 4] Generated Node #2: [34, 26, 4] from Operation: 64/16=4 Current State: 70:[34, 26, 4], Operations: ['64/16=4'] Exploring Operation: 26*4=104, Resulting Numbers: [34, 104] Generated Node #3: [34, 104] from Operation: 26*4=104 Current State: 70:[34, 104], Operations: ['64/16=4', '26*4=104'] Exploring Operation: 104-34=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[16, 34, 64, 26], Operations: [] Exploring Operation: 64-26=38, Resulting Numbers: [16, 34, 38] Generated Node #0,0: 70:[16, 34, 38] Operation: 64-26=38 Exploring Operation: 34-26=8, Resulting Numbers: [16, 64, 8] Generated Node #0,1: 70:[16, 64, 8] Operation: 34-26=8 Exploring Operation: 26-16=10, Resulting Numbers: [34, 64, 10] Generated Node #0,2: 70:[34, 64, 10] Operation: 26-16=10 Exploring Operation: 64/16=4, Resulting Numbers: [34, 26, 4] Generated Node #0,3: 70:[34, 26, 4] Operation: 64/16=4 Exploring Operation: 16+26=42, Resulting Numbers: [34, 64, 42] Generated Node #0,4: 70:[34, 64, 42] Operation: 16+26=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[16, 34, 38], Operations: ['64-26=38'] Exploring Operation: 38-16=22, Resulting Numbers: [34, 22] Generated Node #0,0,0: 70:[34, 22] Operation: 38-16=22 Exploring Operation: 16+38=54, Resulting Numbers: [34, 54] Generated Node #0,0,1: 70:[34, 54] Operation: 16+38=54 Exploring Operation: 34-16=18, Resulting Numbers: [38, 18] Generated Node #0,0,2: 70:[38, 18] Operation: 34-16=18 Exploring Operation: 34+38=72, Resulting Numbers: [16, 72] Generated Node #0,0,3: 70:[16, 72] Operation: 34+38=72 Exploring Operation: 38-34=4, Resulting Numbers: [16, 4] Generated Node #0,0,4: 70:[16, 4] Operation: 38-34=4 Moving to Node #0,0,4 Current State: 70:[16, 4], Operations: ['64-26=38', '38-34=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,70 unequal: No Solution Moving to Node #0,0,3 Current State: 70:[16, 72], Operations: ['64-26=38', '34+38=72'] Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[38, 18], Operations: ['64-26=38', '34-16=18'] Exploring Operation: 38*18=684, Resulting Numbers: [684] 684,70 unequal: No Solution Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[34, 22], Operations: ['64-26=38', '38-16=22'] Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 34+22=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 34*22=748, Resulting Numbers: [748] 748,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[34, 54], Operations: ['64-26=38', '16+38=54'] Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 34*54=1836, Resulting Numbers: [1836] 1836,70 unequal: No Solution Exploring Operation: 34+54=88, Resulting Numbers: [88] 88,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[34, 64, 10], Operations: ['26-16=10'] Exploring Operation: 64+10=74, Resulting Numbers: [34, 74] Generated Node #0,2,0: 70:[34, 74] Operation: 64+10=74 Exploring Operation: 64-34=30, Resulting Numbers: [10, 30] Generated Node #0,2,1: 70:[10, 30] Operation: 64-34=30 Exploring Operation: 34-10=24, Resulting Numbers: [64, 24] Generated Node #0,2,2: 70:[64, 24] Operation: 34-10=24 Exploring Operation: 34+10=44, Resulting Numbers: [64, 44] Generated Node #0,2,3: 70:[64, 44] Operation: 34+10=44 Exploring Operation: 64-10=54, Resulting Numbers: [34, 54] Generated Node #0,2,4: 70:[34, 54] Operation: 64-10=54 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 70:[34, 74], Operations: ['26-16=10', '64+10=74'] Exploring Operation: 74-34=40, Resulting Numbers: [40] 40,70 unequal: No Solution Exploring Operation: 34+74=108, Resulting Numbers: [108] 108,70 unequal: No Solution Exploring Operation: 34*74=2516, Resulting Numbers: [2516] 2516,70 unequal: No Solution No 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: 70:[10, 30], Operations: ['26-16=10', '64-34=30'] Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,70 unequal: No Solution Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 10*30=300, Resulting Numbers: [300] 300,70 unequal: No Solution No 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: 70:[64, 44], Operations: ['26-16=10', '34+10=44'] Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 64*44=2816, Resulting Numbers: [2816] 2816,70 unequal: No Solution Exploring Operation: 64+44=108, Resulting Numbers: [108] 108,70 unequal: No Solution No 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: 70:[64, 24], Operations: ['26-16=10', '34-10=24'] Exploring Operation: 64+24=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 64*24=1536, Resulting Numbers: [1536] 1536,70 unequal: No Solution Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,70 unequal: No Solution No 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: 70:[34, 54], Operations: ['26-16=10', '64-10=54'] Exploring Operation: 34+54=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 34*54=1836, Resulting Numbers: [1836] 1836,70 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: 70:[16, 64, 8], Operations: ['34-26=8'] Exploring Operation: 64/8=8, Resulting Numbers: [16, 8] Generated Node #0,1,0: 70:[16, 8] Operation: 64/8=8 Exploring Operation: 64+8=72, Resulting Numbers: [16, 72] Generated Node #0,1,1: 70:[16, 72] Operation: 64+8=72 Exploring Operation: 16-8=8, Resulting Numbers: [64, 8] Generated Node #0,1,2: 70:[64, 8] Operation: 16-8=8 Exploring Operation: 64/16=4, Resulting Numbers: [8, 4] Generated Node #0,1,3: 70:[8, 4] Operation: 64/16=4 Exploring Operation: 16/8=2, Resulting Numbers: [64, 2] Generated Node #0,1,4: 70:[64, 2] Operation: 16/8=2 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 70:[8, 4], Operations: ['34-26=8', '64/16=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,70 unequal: No Solution No 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: 70:[16, 8], Operations: ['34-26=8', '64/8=8'] Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,70 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,70 unequal: No Solution No 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: 70:[16, 72], Operations: ['34-26=8', '64+8=72'] Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,70 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,70 unequal: No Solution No 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: 70:[64, 2], Operations: ['34-26=8', '16/8=2'] Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,70 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,70 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,70 unequal: No Solution No 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: 70:[64, 8], Operations: ['34-26=8', '16-8=8'] Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 64*8=512, Resulting Numbers: [512] 512,70 unequal: No Solution Exploring Operation: 64+8=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 64-8=56, Resulting Numbers: [56] 56,70 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: 70:[34, 26, 4], Operations: ['64/16=4'] Exploring Operation: 34-26=8, Resulting Numbers: [4, 8] Generated Node #0,3,0: 70:[4, 8] Operation: 34-26=8 Exploring Operation: 26+4=30, Resulting Numbers: [34, 30] Generated Node #0,3,1: 70:[34, 30] Operation: 26+4=30 Exploring Operation: 26-4=22, Resulting Numbers: [34, 22] Generated Node #0,3,2: 70:[34, 22] Operation: 26-4=22 Exploring Operation: 34+4=38, Resulting Numbers: [26, 38] Generated Node #0,3,3: 70:[26, 38] Operation: 34+4=38 Exploring Operation: 34+26=60, Resulting Numbers: [4, 60] Generated Node #0,3,4: 70:[4, 60] Operation: 34+26=60 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 70:[4, 8], Operations: ['64/16=4', '34-26=8'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,70 unequal: No Solution No 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: 70:[34, 30], Operations: ['64/16=4', '26+4=30'] Exploring Operation: 34+30=64, Resulting Numbers: [64] 64,70 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 34*30=1020, Resulting Numbers: [1020] 1020,70 unequal: No Solution No 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: 70:[34, 22], Operations: ['64/16=4', '26-4=22'] Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 34+22=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 34*22=748, Resulting Numbers: [748] 748,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 70:[4, 60], Operations: ['64/16=4', '34+26=60'] Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,70 unequal: No Solution Exploring Operation: 4*60=240, Resulting Numbers: [240] 240,70 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,70 unequal: No Solution No 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: 70:[26, 38], Operations: ['64/16=4', '34+4=38'] Exploring Operation: 26*38=988, Resulting Numbers: [988] 988,70 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 26+38=64, Resulting Numbers: [64] 64,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 70:[34, 64, 42], Operations: ['16+26=42'] Exploring Operation: 42-34=8, Resulting Numbers: [64, 8] Generated Node #0,4,0: 70:[64, 8] Operation: 42-34=8 Exploring Operation: 34+42=76, Resulting Numbers: [64, 76] Generated Node #0,4,1: 70:[64, 76] Operation: 34+42=76 Exploring Operation: 34+64=98, Resulting Numbers: [42, 98] Generated Node #0,4,2: 70:[42, 98] Operation: 34+64=98 Exploring Operation: 64-42=22, Resulting Numbers: [34, 22] Generated Node #0,4,3: 70:[34, 22] Operation: 64-42=22 Exploring Operation: 64-34=30, Resulting Numbers: [42, 30] Generated Node #0,4,4: 70:[42, 30] Operation: 64-34=30 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 70:[64, 8], Operations: ['16+26=42', '42-34=8'] Exploring Operation: 64*8=512, Resulting Numbers: [512] 512,70 unequal: No Solution Exploring Operation: 64-8=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 64+8=72, Resulting Numbers: [72] 72,70 unequal: No Solution No 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: 70:[34, 22], Operations: ['16+26=42', '64-42=22'] Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 34*22=748, Resulting Numbers: [748] 748,70 unequal: No Solution Exploring Operation: 34+22=56, Resulting Numbers: [56] 56,70 unequal: No Solution No 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: 70:[64, 76], Operations: ['16+26=42', '34+42=76'] Exploring Operation: 76-64=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 64+76=140, Resulting Numbers: [140] 140,70 unequal: No Solution Exploring Operation: 64*76=4864, Resulting Numbers: [4864] 4864,70 unequal: No Solution No 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: 70:[42, 30], Operations: ['16+26=42', '64-34=30'] Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,70 unequal: No Solution Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,70 unequal: No Solution No 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: 70:[42, 98], Operations: ['16+26=42', '34+64=98'] Exploring Operation: 98-42=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 42*98=4116, Resulting Numbers: [4116] 4116,70 unequal: No Solution Exploring Operation: 42+98=140, Resulting Numbers: [140] 140,70 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
[ 33, 44, 60, 18 ]
98
[ "44*60=2640", "2640/33=80", "18+80=98" ]
Current State: 98:[33, 44, 60, 18], Operations: [] Exploring Operation: 44*60=2640, Resulting Numbers: [33, 18, 2640] Generated Node #2: [33, 18, 2640] from Operation: 44*60=2640 Current State: 98:[33, 18, 2640], Operations: ['44*60=2640'] Exploring Operation: 2640/33=80, Resulting Numbers: [18, 80] Generated Node #3: [18, 80] from Operation: 2640/33=80 Current State: 98:[18, 80], Operations: ['44*60=2640', '2640/33=80'] Exploring Operation: 18+80=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[33, 44, 60, 18], Operations: [] Exploring Operation: 33-18=15, Resulting Numbers: [44, 60, 15] Generated Node #0,0: 98:[44, 60, 15] Operation: 33-18=15 Exploring Operation: 33+60=93, Resulting Numbers: [44, 18, 93] Generated Node #0,1: 98:[44, 18, 93] Operation: 33+60=93 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[44, 18, 93], Operations: ['33+60=93'] Exploring Operation: 93-44=49, Resulting Numbers: [18, 49] Generated Node #0,1,0: 98:[18, 49] Operation: 93-44=49 Exploring Operation: 44-18=26, Resulting Numbers: [93, 26] Generated Node #0,1,1: 98:[93, 26] Operation: 44-18=26 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[18, 49], Operations: ['33+60=93', '93-44=49'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,98 unequal: No Solution Exploring Operation: 18+49=67, Resulting Numbers: [67] 67,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[93, 26], Operations: ['33+60=93', '44-18=26'] Exploring Operation: 93+26=119, Resulting Numbers: [119] 119,98 unequal: No Solution Exploring Operation: 93-26=67, Resulting Numbers: [67] 67,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[44, 60, 15], Operations: ['33-18=15'] Exploring Operation: 60-44=16, Resulting Numbers: [15, 16] Generated Node #0,0,0: 98:[15, 16] Operation: 60-44=16 Exploring Operation: 44+60=104, Resulting Numbers: [15, 104] Generated Node #0,0,1: 98:[15, 104] Operation: 44+60=104 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[15, 16], Operations: ['33-18=15', '60-44=16'] Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,98 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[15, 104], Operations: ['33-18=15', '44+60=104'] Exploring Operation: 104-15=89, Resulting Numbers: [89] 89,98 unequal: No Solution Exploring Operation: 15+104=119, Resulting Numbers: [119] 119,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 33, 62, 55, 29 ]
28
[ "33-29=4", "62-55=7", "4*7=28" ]
Current State: 28:[33, 62, 55, 29], Operations: [] Exploring Operation: 33-29=4, Resulting Numbers: [62, 55, 4] Generated Node #2: [62, 55, 4] from Operation: 33-29=4 Current State: 28:[62, 55, 4], Operations: ['33-29=4'] Exploring Operation: 62-55=7, Resulting Numbers: [4, 7] Generated Node #3: [4, 7] from Operation: 62-55=7 Current State: 28:[4, 7], Operations: ['33-29=4', '62-55=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[33, 62, 55, 29], Operations: [] Exploring Operation: 62-55=7, Resulting Numbers: [33, 29, 7] Generated Node #0,0: 28:[33, 29, 7] Operation: 62-55=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[33, 29, 7], Operations: ['62-55=7'] Exploring Operation: 33-29=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 28:[7, 4] Operation: 33-29=4 Moving to Node #0,0,0 Current State: 28:[7, 4], Operations: ['62-55=7', '33-29=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[33, 62, 55, 29], Operations: [] Exploring Operation: 62-55=7, Resulting Numbers: [33, 29, 7] Generated Node #0,0: 28:[33, 29, 7] Operation: 62-55=7 Moving to Node #0,0 Current State: 28:[33, 29, 7], Operations: ['62-55=7'] Exploring Operation: 33-29=4, Resulting Numbers: [7, 4] Generated Node #0,0,0: 28:[7, 4] Operation: 33-29=4 Moving to Node #0,0,0 Current State: 28:[7, 4], Operations: ['62-55=7', '33-29=4'] Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 22, 14, 55, 23 ]
70
[ "22-14=8", "55+23=78", "78-8=70" ]
Current State: 70:[22, 14, 55, 23], Operations: [] Exploring Operation: 22-14=8, Resulting Numbers: [55, 23, 8] Generated Node #2: [55, 23, 8] from Operation: 22-14=8 Current State: 70:[55, 23, 8], Operations: ['22-14=8'] Exploring Operation: 55+23=78, Resulting Numbers: [8, 78] Generated Node #3: [8, 78] from Operation: 55+23=78 Current State: 70:[8, 78], Operations: ['22-14=8', '55+23=78'] Exploring Operation: 78-8=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[22, 14, 55, 23], Operations: [] Exploring Operation: 55-22=33, Resulting Numbers: [14, 23, 33] Generated Node #0,0: 70:[14, 23, 33] Operation: 55-22=33 Exploring Operation: 55-23=32, Resulting Numbers: [22, 14, 32] Generated Node #0,1: 70:[22, 14, 32] Operation: 55-23=32 Exploring Operation: 22+55=77, Resulting Numbers: [14, 23, 77] Generated Node #0,2: 70:[14, 23, 77] Operation: 22+55=77 Moving to Node #0,0 Current State: 70:[14, 23, 33], Operations: ['55-22=33'] Exploring Operation: 14+23=37, Resulting Numbers: [33, 37] Generated Node #0,0,0: 70:[33, 37] Operation: 14+23=37 Exploring Operation: 23-14=9, Resulting Numbers: [33, 9] Generated Node #0,0,1: 70:[33, 9] Operation: 23-14=9 Exploring Operation: 33-23=10, Resulting Numbers: [14, 10] Generated Node #0,0,2: 70:[14, 10] Operation: 33-23=10 Moving to Node #0,1 Current State: 70:[22, 14, 32], Operations: ['55-23=32'] Exploring Operation: 32-22=10, Resulting Numbers: [14, 10] Generated Node #0,1,0: 70:[14, 10] Operation: 32-22=10 Exploring Operation: 22-14=8, Resulting Numbers: [32, 8] Generated Node #0,1,1: 70:[32, 8] Operation: 22-14=8 Exploring Operation: 22+14=36, Resulting Numbers: [32, 36] Generated Node #0,1,2: 70:[32, 36] Operation: 22+14=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[14, 10], Operations: ['55-23=32', '32-22=10'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[32, 8], Operations: ['55-23=32', '22-14=8'] Exploring Operation: 32+8=40, Resulting Numbers: [40] 40,70 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[32, 36], Operations: ['55-23=32', '22+14=36'] Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,70 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,70 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: 70:[14, 23, 77], Operations: ['22+55=77'] Exploring Operation: 23-14=9, Resulting Numbers: [77, 9] Generated Node #0,2,0: 70:[77, 9] Operation: 23-14=9 Exploring Operation: 77-14=63, Resulting Numbers: [23, 63] Generated Node #0,2,1: 70:[23, 63] Operation: 77-14=63 Exploring Operation: 14+23=37, Resulting Numbers: [77, 37] Generated Node #0,2,2: 70:[77, 37] Operation: 14+23=37 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 70:[77, 9], Operations: ['22+55=77', '23-14=9'] Exploring Operation: 77*9=693, Resulting Numbers: [693] 693,70 unequal: No Solution Exploring Operation: 77+9=86, Resulting Numbers: [86] 86,70 unequal: No Solution Exploring Operation: 77-9=68, Resulting Numbers: [68] 68,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 70:[77, 37], Operations: ['22+55=77', '14+23=37'] Exploring Operation: 77*37=2849, Resulting Numbers: [2849] 2849,70 unequal: No Solution Exploring Operation: 77-37=40, Resulting Numbers: [40] 40,70 unequal: No Solution Exploring Operation: 77+37=114, Resulting Numbers: [114] 114,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 70:[23, 63], Operations: ['22+55=77', '77-14=63'] Exploring Operation: 23*63=1449, Resulting Numbers: [1449] 1449,70 unequal: No Solution Exploring Operation: 63-23=40, Resulting Numbers: [40] 40,70 unequal: No Solution Exploring Operation: 23+63=86, Resulting Numbers: [86] 86,70 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: 70:[14, 10], Operations: ['55-22=33', '33-23=10'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,70 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[33, 9], Operations: ['55-22=33', '23-14=9'] Exploring Operation: 33*9=297, Resulting Numbers: [297] 297,70 unequal: No Solution Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 33+9=42, Resulting Numbers: [42] 42,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[33, 37], Operations: ['55-22=33', '14+23=37'] Exploring Operation: 33*37=1221, Resulting Numbers: [1221] 1221,70 unequal: No Solution Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 33+37=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[22, 14, 55, 23], Operations: [] Exploring Operation: 55-22=33, Resulting Numbers: [14, 23, 33] Generated Node #0,0: 70:[14, 23, 33] Operation: 55-22=33 Moving to Node #0,0 Current State: 70:[14, 23, 33], Operations: ['55-22=33'] Exploring Operation: 14+23=37, Resulting Numbers: [33, 37] Generated Node #0,0,0: 70:[33, 37] Operation: 14+23=37 Moving to Node #0,0,0 Current State: 70:[33, 37], Operations: ['55-22=33', '14+23=37'] Exploring Operation: 33+37=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
0.962674
hs_3
mult_heuristic
[ 10, 11, 25, 39 ]
43
[ "10+11=21", "25+39=64", "64-21=43" ]
Current State: 43:[10, 11, 25, 39], Operations: [] Exploring Operation: 10+11=21, Resulting Numbers: [25, 39, 21] Generated Node #2: [25, 39, 21] from Operation: 10+11=21 Current State: 43:[25, 39, 21], Operations: ['10+11=21'] Exploring Operation: 25+39=64, Resulting Numbers: [21, 64] Generated Node #3: [21, 64] from Operation: 25+39=64 Current State: 43:[21, 64], Operations: ['10+11=21', '25+39=64'] Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[10, 11, 25, 39], Operations: [] Exploring Operation: 10+11=21, Resulting Numbers: [25, 39, 21] Generated Node #0,0: 43:[25, 39, 21] Operation: 10+11=21 Exploring Operation: 11+25=36, Resulting Numbers: [10, 39, 36] Generated Node #0,1: 43:[10, 39, 36] Operation: 11+25=36 Exploring Operation: 10+39=49, Resulting Numbers: [11, 25, 49] Generated Node #0,2: 43:[11, 25, 49] Operation: 10+39=49 Exploring Operation: 10+25=35, Resulting Numbers: [11, 39, 35] Generated Node #0,3: 43:[11, 39, 35] Operation: 10+25=35 Exploring Operation: 11+39=50, Resulting Numbers: [10, 25, 50] Generated Node #0,4: 43:[10, 25, 50] Operation: 11+39=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[25, 39, 21], Operations: ['10+11=21'] Exploring Operation: 25+21=46, Resulting Numbers: [39, 46] Generated Node #0,0,0: 43:[39, 46] Operation: 25+21=46 Exploring Operation: 39+21=60, Resulting Numbers: [25, 60] Generated Node #0,0,1: 43:[25, 60] Operation: 39+21=60 Exploring Operation: 39-21=18, Resulting Numbers: [25, 18] Generated Node #0,0,2: 43:[25, 18] Operation: 39-21=18 Exploring Operation: 25+39=64, Resulting Numbers: [21, 64] Generated Node #0,0,3: 43:[21, 64] Operation: 25+39=64 Exploring Operation: 25-21=4, Resulting Numbers: [39, 4] Generated Node #0,0,4: 43:[39, 4] Operation: 25-21=4 Moving to Node #0,0,0 Current State: 43:[39, 46], Operations: ['10+11=21', '25+21=46'] Exploring Operation: 39+46=85, Resulting Numbers: [85] 85,43 unequal: No Solution Exploring Operation: 39*46=1794, Resulting Numbers: [1794] 1794,43 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[25, 60], Operations: ['10+11=21', '39+21=60'] Exploring Operation: 25+60=85, Resulting Numbers: [85] 85,43 unequal: No Solution Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,43 unequal: No Solution Exploring Operation: 25*60=1500, Resulting Numbers: [1500] 1500,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[25, 18], Operations: ['10+11=21', '39-21=18'] Exploring Operation: 25+18=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[10, 11, 25, 39], Operations: [] Exploring Operation: 10+11=21, Resulting Numbers: [25, 39, 21] Generated Node #0,0: 43:[25, 39, 21] Operation: 10+11=21 Moving to Node #0,0 Current State: 43:[25, 39, 21], Operations: ['10+11=21'] Exploring Operation: 39-21=18, Resulting Numbers: [25, 18] Generated Node #0,0,2: 43:[25, 18] Operation: 39-21=18 Moving to Node #0,0,2 Current State: 43:[25, 18], Operations: ['10+11=21', '39-21=18'] Exploring Operation: 25+18=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 62, 60, 43, 63 ]
36
[ "62+43=105", "60*63=3780", "3780/105=36" ]
Current State: 36:[62, 60, 43, 63], Operations: [] Exploring Operation: 62+43=105, Resulting Numbers: [60, 63, 105] Generated Node #2: [60, 63, 105] from Operation: 62+43=105 Current State: 36:[60, 63, 105], Operations: ['62+43=105'] Exploring Operation: 60*63=3780, Resulting Numbers: [105, 3780] Generated Node #3: [105, 3780] from Operation: 60*63=3780 Current State: 36:[105, 3780], Operations: ['62+43=105', '60*63=3780'] Exploring Operation: 3780/105=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[62, 60, 43, 63], Operations: [] Exploring Operation: 63-60=3, Resulting Numbers: [62, 43, 3] Generated Node #0,0: 36:[62, 43, 3] Operation: 63-60=3 Exploring Operation: 63-62=1, Resulting Numbers: [60, 43, 1] Generated Node #0,1: 36:[60, 43, 1] Operation: 63-62=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[60, 43, 1], Operations: ['63-62=1'] Exploring Operation: 60-1=59, Resulting Numbers: [43, 59] Generated Node #0,1,0: 36:[43, 59] Operation: 60-1=59 Exploring Operation: 60-43=17, Resulting Numbers: [1, 17] Generated Node #0,1,1: 36:[1, 17] Operation: 60-43=17 Moving to Node #0,1,1 Current State: 36:[1, 17], Operations: ['63-62=1', '60-43=17'] Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,36 unequal: No Solution Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[43, 59], Operations: ['63-62=1', '60-1=59'] Exploring Operation: 43+59=102, Resulting Numbers: [102] 102,36 unequal: No Solution Exploring Operation: 59-43=16, Resulting Numbers: [16] 16,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[62, 43, 3], Operations: ['63-60=3'] Exploring Operation: 62-3=59, Resulting Numbers: [43, 59] Generated Node #0,0,0: 36:[43, 59] Operation: 62-3=59 Exploring Operation: 62-43=19, Resulting Numbers: [3, 19] Generated Node #0,0,1: 36:[3, 19] Operation: 62-43=19 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 36:[3, 19], Operations: ['63-60=3', '62-43=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,36 unequal: No Solution No 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: 36:[43, 59], Operations: ['63-60=3', '62-3=59'] Exploring Operation: 43+59=102, Resulting Numbers: [102] 102,36 unequal: No Solution Exploring Operation: 59-43=16, Resulting Numbers: [16] 16,36 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
[ 57, 37, 34, 67 ]
30
[ "67-57=10", "37-34=3", "10*3=30" ]
Current State: 30:[57, 37, 34, 67], Operations: [] Exploring Operation: 67-57=10, Resulting Numbers: [37, 34, 10] Generated Node #2: [37, 34, 10] from Operation: 67-57=10 Current State: 30:[37, 34, 10], Operations: ['67-57=10'] Exploring Operation: 37-34=3, Resulting Numbers: [10, 3] Generated Node #3: [10, 3] from Operation: 37-34=3 Current State: 30:[10, 3], Operations: ['67-57=10', '37-34=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[57, 37, 34, 67], Operations: [] Exploring Operation: 57-37=20, Resulting Numbers: [34, 67, 20] Generated Node #0,0: 30:[34, 67, 20] Operation: 57-37=20 Exploring Operation: 57-34=23, Resulting Numbers: [37, 67, 23] Generated Node #0,1: 30:[37, 67, 23] Operation: 57-34=23 Exploring Operation: 67-34=33, Resulting Numbers: [57, 37, 33] Generated Node #0,2: 30:[57, 37, 33] Operation: 67-34=33 Exploring Operation: 67-57=10, Resulting Numbers: [37, 34, 10] Generated Node #0,3: 30:[37, 34, 10] Operation: 67-57=10 Exploring Operation: 67-37=30, Resulting Numbers: [57, 34, 30] Generated Node #0,4: 30:[57, 34, 30] Operation: 67-37=30 Moving to Node #0,3 Current State: 30:[37, 34, 10], Operations: ['67-57=10'] Exploring Operation: 34+10=44, Resulting Numbers: [37, 44] Generated Node #0,3,0: 30:[37, 44] Operation: 34+10=44 Exploring Operation: 37-10=27, Resulting Numbers: [34, 27] Generated Node #0,3,1: 30:[34, 27] Operation: 37-10=27 Exploring Operation: 37+10=47, Resulting Numbers: [34, 47] Generated Node #0,3,2: 30:[34, 47] Operation: 37+10=47 Exploring Operation: 34-10=24, Resulting Numbers: [37, 24] Generated Node #0,3,3: 30:[37, 24] Operation: 34-10=24 Exploring Operation: 37-34=3, Resulting Numbers: [10, 3] Generated Node #0,3,4: 30:[10, 3] Operation: 37-34=3 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 30:[10, 3], Operations: ['67-57=10', '37-34=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[57, 37, 34, 67], Operations: [] Exploring Operation: 67-57=10, Resulting Numbers: [37, 34, 10] Generated Node #0,3: 30:[37, 34, 10] Operation: 67-57=10 Moving to Node #0,3 Current State: 30:[37, 34, 10], Operations: ['67-57=10'] Exploring Operation: 37-34=3, Resulting Numbers: [10, 3] Generated Node #0,3,4: 30:[10, 3] Operation: 37-34=3 Moving to Node #0,3,4 Current State: 30:[10, 3], Operations: ['67-57=10', '37-34=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 99, 51, 26, 12 ]
30
[ "99-51=48", "48/12=4", "26+4=30" ]
Current State: 30:[99, 51, 26, 12], Operations: [] Exploring Operation: 99-51=48, Resulting Numbers: [26, 12, 48] Generated Node #2: [26, 12, 48] from Operation: 99-51=48 Current State: 30:[26, 12, 48], Operations: ['99-51=48'] Exploring Operation: 48/12=4, Resulting Numbers: [26, 4] Generated Node #3: [26, 4] from Operation: 48/12=4 Current State: 30:[26, 4], Operations: ['99-51=48', '48/12=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[99, 51, 26, 12], Operations: [] Exploring Operation: 99-12=87, Resulting Numbers: [51, 26, 87] Generated Node #0,0: 30:[51, 26, 87] Operation: 99-12=87 Exploring Operation: 51-26=25, Resulting Numbers: [99, 12, 25] Generated Node #0,1: 30:[99, 12, 25] Operation: 51-26=25 Exploring Operation: 99-26=73, Resulting Numbers: [51, 12, 73] Generated Node #0,2: 30:[51, 12, 73] Operation: 99-26=73 Exploring Operation: 99-51=48, Resulting Numbers: [26, 12, 48] Generated Node #0,3: 30:[26, 12, 48] Operation: 99-51=48 Start Sub Search at level 1: Moving to Node #0,3 Current State: 30:[26, 12, 48], Operations: ['99-51=48'] Exploring Operation: 48-26=22, Resulting Numbers: [12, 22] Generated Node #0,3,0: 30:[12, 22] Operation: 48-26=22 Exploring Operation: 48-12=36, Resulting Numbers: [26, 36] Generated Node #0,3,1: 30:[26, 36] Operation: 48-12=36 Exploring Operation: 48/12=4, Resulting Numbers: [26, 4] Generated Node #0,3,2: 30:[26, 4] Operation: 48/12=4 Exploring Operation: 26-12=14, Resulting Numbers: [48, 14] Generated Node #0,3,3: 30:[48, 14] Operation: 26-12=14 Moving to Node #0,3,2 Current State: 30:[26, 4], Operations: ['99-51=48', '48/12=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[99, 51, 26, 12], Operations: [] Exploring Operation: 99-51=48, Resulting Numbers: [26, 12, 48] Generated Node #0,3: 30:[26, 12, 48] Operation: 99-51=48 Moving to Node #0,3 Current State: 30:[26, 12, 48], Operations: ['99-51=48'] Exploring Operation: 48/12=4, Resulting Numbers: [26, 4] Generated Node #0,3,2: 30:[26, 4] Operation: 48/12=4 Moving to Node #0,3,2 Current State: 30:[26, 4], Operations: ['99-51=48', '48/12=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 69, 15, 43, 52 ]
63
[ "69-15=54", "52-43=9", "54+9=63" ]
Current State: 63:[69, 15, 43, 52], Operations: [] Exploring Operation: 69-15=54, Resulting Numbers: [43, 52, 54] Generated Node #2: [43, 52, 54] from Operation: 69-15=54 Current State: 63:[43, 52, 54], Operations: ['69-15=54'] Exploring Operation: 52-43=9, Resulting Numbers: [54, 9] Generated Node #3: [54, 9] from Operation: 52-43=9 Current State: 63:[54, 9], Operations: ['69-15=54', '52-43=9'] Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[69, 15, 43, 52], Operations: [] Exploring Operation: 52-43=9, Resulting Numbers: [69, 15, 9] Generated Node #0,0: 63:[69, 15, 9] Operation: 52-43=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[69, 15, 9], Operations: ['52-43=9'] Exploring Operation: 15-9=6, Resulting Numbers: [69, 6] Generated Node #0,0,0: 63:[69, 6] Operation: 15-9=6 Moving to Node #0,0,0 Current State: 63:[69, 6], Operations: ['52-43=9', '15-9=6'] Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[69, 15, 43, 52], Operations: [] Exploring Operation: 52-43=9, Resulting Numbers: [69, 15, 9] Generated Node #0,0: 63:[69, 15, 9] Operation: 52-43=9 Moving to Node #0,0 Current State: 63:[69, 15, 9], Operations: ['52-43=9'] Exploring Operation: 15-9=6, Resulting Numbers: [69, 6] Generated Node #0,0,0: 63:[69, 6] Operation: 15-9=6 Moving to Node #0,0,0 Current State: 63:[69, 6], Operations: ['52-43=9', '15-9=6'] Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 40, 55, 95, 38 ]
37
[ "40+55=95", "95/95=1", "38-1=37" ]
Current State: 37:[40, 55, 95, 38], Operations: [] Exploring Operation: 40+55=95, Resulting Numbers: [95, 38, 95] Generated Node #2: [95, 38, 95] from Operation: 40+55=95 Current State: 37:[95, 38, 95], Operations: ['40+55=95'] Exploring Operation: 95/95=1, Resulting Numbers: [38, 1] Generated Node #3: [38, 1] from Operation: 95/95=1 Current State: 37:[38, 1], Operations: ['40+55=95', '95/95=1'] Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[40, 55, 95, 38], Operations: [] Exploring Operation: 95-40=55, Resulting Numbers: [55, 38, 55] Generated Node #0,0: 37:[55, 38, 55] Operation: 95-40=55 Exploring Operation: 95-55=40, Resulting Numbers: [40, 38, 40] Generated Node #0,1: 37:[40, 38, 40] Operation: 95-55=40 Exploring Operation: 55-38=17, Resulting Numbers: [40, 95, 17] Generated Node #0,2: 37:[40, 95, 17] Operation: 55-38=17 Exploring Operation: 95-38=57, Resulting Numbers: [40, 55, 57] Generated Node #0,3: 37:[40, 55, 57] Operation: 95-38=57 Exploring Operation: 55-40=15, Resulting Numbers: [95, 38, 15] Generated Node #0,4: 37:[95, 38, 15] Operation: 55-40=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[40, 38, 40], Operations: ['95-55=40'] Exploring Operation: 40-38=2, Resulting Numbers: [40, 2] Generated Node #0,1,0: 37:[40, 2] Operation: 40-38=2 Exploring Operation: 40+38=78, Resulting Numbers: [40, 78] Generated Node #0,1,1: 37:[40, 78] Operation: 40+38=78 Exploring Operation: 40-38=2, Resulting Numbers: [40, 2] Generated Node #0,1,2: 37:[40, 2] Operation: 40-38=2 Exploring Operation: 40-40=0, Resulting Numbers: [38, 0] Generated Node #0,1,3: 37:[38, 0] Operation: 40-40=0 Exploring Operation: 40/40=1, Resulting Numbers: [38, 1] Generated Node #0,1,4: 37:[38, 1] Operation: 40/40=1 Moving to Node #0,1,4 Current State: 37:[38, 1], Operations: ['95-55=40', '40/40=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[40, 55, 95, 38], Operations: [] Exploring Operation: 95-55=40, Resulting Numbers: [40, 38, 40] Generated Node #0,1: 37:[40, 38, 40] Operation: 95-55=40 Moving to Node #0,1 Current State: 37:[40, 38, 40], Operations: ['95-55=40'] Exploring Operation: 40/40=1, Resulting Numbers: [38, 1] Generated Node #0,1,4: 37:[38, 1] Operation: 40/40=1 Moving to Node #0,1,4 Current State: 37:[38, 1], Operations: ['95-55=40', '40/40=1'] Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 67, 67, 91, 92 ]
92
[ "67-67=0", "91*0=0", "92+0=92" ]
Current State: 92:[67, 67, 91, 92], Operations: [] Exploring Operation: 67-67=0, Resulting Numbers: [91, 92, 0] Generated Node #2: [91, 92, 0] from Operation: 67-67=0 Current State: 92:[91, 92, 0], Operations: ['67-67=0'] Exploring Operation: 91*0=0, Resulting Numbers: [92, 0] Generated Node #3: [92, 0] from Operation: 91*0=0 Current State: 92:[92, 0], Operations: ['67-67=0', '91*0=0'] Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[67, 67, 91, 92], Operations: [] Exploring Operation: 91-67=24, Resulting Numbers: [67, 92, 24] Generated Node #0,0: 92:[67, 92, 24] Operation: 91-67=24 Exploring Operation: 67/67=1, Resulting Numbers: [91, 92, 1] Generated Node #0,1: 92:[91, 92, 1] Operation: 67/67=1 Exploring Operation: 92-67=25, Resulting Numbers: [67, 91, 25] Generated Node #0,2: 92:[67, 91, 25] Operation: 92-67=25 Exploring Operation: 91-67=24, Resulting Numbers: [67, 92, 24] Generated Node #0,3: 92:[67, 92, 24] Operation: 91-67=24 Exploring Operation: 67-67=0, Resulting Numbers: [91, 92, 0] Generated Node #0,4: 92:[91, 92, 0] Operation: 67-67=0 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[91, 92, 1], Operations: ['67/67=1'] Exploring Operation: 92*1=92, Resulting Numbers: [91, 92] Generated Node #0,1,0: 92:[91, 92] Operation: 92*1=92 Exploring Operation: 91*1=91, Resulting Numbers: [92, 91] Generated Node #0,1,1: 92:[92, 91] Operation: 91*1=91 Exploring Operation: 91/1=91, Resulting Numbers: [92, 91] Generated Node #0,1,2: 92:[92, 91] Operation: 91/1=91 Exploring Operation: 91+1=92, Resulting Numbers: [92, 92] Generated Node #0,1,3: 92:[92, 92] Operation: 91+1=92 Exploring Operation: 92/1=92, Resulting Numbers: [91, 92] Generated Node #0,1,4: 92:[91, 92] Operation: 92/1=92 Moving to Node #0,1,3 Current State: 92:[92, 92], Operations: ['67/67=1', '91+1=92'] Exploring Operation: 92*92=8464, Resulting Numbers: [8464] 8464,92 unequal: No Solution Exploring Operation: 92-92=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 92/92=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 92+92=184, Resulting Numbers: [184] 184,92 unequal: No Solution Moving to Node #0,1,1 Current State: 92:[92, 91], Operations: ['67/67=1', '91*1=91'] Exploring Operation: 92*91=8372, Resulting Numbers: [8372] 8372,92 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 92+91=183, Resulting Numbers: [183] 183,92 unequal: No Solution Moving to Node #0,1,4 Current State: 92:[91, 92], Operations: ['67/67=1', '92/1=92'] Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,92 unequal: No Solution Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,92 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[91, 92], Operations: ['67/67=1', '92*1=92'] Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,92 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[92, 91], Operations: ['67/67=1', '91/1=91'] Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 92*91=8372, Resulting Numbers: [8372] 8372,92 unequal: No Solution Exploring Operation: 92+91=183, Resulting Numbers: [183] 183,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 92:[91, 92, 0], Operations: ['67-67=0'] Exploring Operation: 91-0=91, Resulting Numbers: [92, 91] Generated Node #0,4,0: 92:[92, 91] Operation: 91-0=91 Exploring Operation: 92-0=92, Resulting Numbers: [91, 92] Generated Node #0,4,1: 92:[91, 92] Operation: 92-0=92 Exploring Operation: 91+0=91, Resulting Numbers: [92, 91] Generated Node #0,4,2: 92:[92, 91] Operation: 91+0=91 Exploring Operation: 91*0=0, Resulting Numbers: [92, 0] Generated Node #0,4,3: 92:[92, 0] Operation: 91*0=0 Exploring Operation: 92+0=92, Resulting Numbers: [91, 92] Generated Node #0,4,4: 92:[91, 92] Operation: 92+0=92 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 92:[92, 91], Operations: ['67-67=0', '91-0=91'] Exploring Operation: 92*91=8372, Resulting Numbers: [8372] 8372,92 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 92+91=183, Resulting Numbers: [183] 183,92 unequal: No Solution No 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: 92:[91, 92], Operations: ['67-67=0', '92-0=92'] Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,92 unequal: No Solution Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,92 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,92 unequal: No Solution No 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: 92:[92, 91], Operations: ['67-67=0', '91+0=91'] Exploring Operation: 92*91=8372, Resulting Numbers: [8372] 8372,92 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 92+91=183, Resulting Numbers: [183] 183,92 unequal: No Solution No 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: 92:[91, 92], Operations: ['67-67=0', '92+0=92'] Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,92 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,92 unequal: No Solution No 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: 92:[92, 0], Operations: ['67-67=0', '91*0=0'] Exploring Operation: 92-0=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[67, 67, 91, 92], Operations: [] Exploring Operation: 67-67=0, Resulting Numbers: [91, 92, 0] Generated Node #0,4: 92:[91, 92, 0] Operation: 67-67=0 Moving to Node #0,4 Current State: 92:[91, 92, 0], Operations: ['67-67=0'] Exploring Operation: 91*0=0, Resulting Numbers: [92, 0] Generated Node #0,4,3: 92:[92, 0] Operation: 91*0=0 Moving to Node #0,4,3 Current State: 92:[92, 0], Operations: ['67-67=0', '91*0=0'] Exploring Operation: 92-0=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.958333
hs_5
mult_heuristic
[ 54, 61, 33, 62 ]
36
[ "61-54=7", "62-33=29", "7+29=36" ]
Current State: 36:[54, 61, 33, 62], Operations: [] Exploring Operation: 61-54=7, Resulting Numbers: [33, 62, 7] Generated Node #2: [33, 62, 7] from Operation: 61-54=7 Current State: 36:[33, 62, 7], Operations: ['61-54=7'] Exploring Operation: 62-33=29, Resulting Numbers: [7, 29] Generated Node #3: [7, 29] from Operation: 62-33=29 Current State: 36:[7, 29], Operations: ['61-54=7', '62-33=29'] Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[54, 61, 33, 62], Operations: [] Exploring Operation: 62-33=29, Resulting Numbers: [54, 61, 29] Generated Node #0,0: 36:[54, 61, 29] Operation: 62-33=29 Exploring Operation: 62-54=8, Resulting Numbers: [61, 33, 8] Generated Node #0,1: 36:[61, 33, 8] Operation: 62-54=8 Exploring Operation: 62-61=1, Resulting Numbers: [54, 33, 1] Generated Node #0,2: 36:[54, 33, 1] Operation: 62-61=1 Exploring Operation: 61-54=7, Resulting Numbers: [33, 62, 7] Generated Node #0,3: 36:[33, 62, 7] Operation: 61-54=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[54, 33, 1], Operations: ['62-61=1'] Exploring Operation: 54*1=54, Resulting Numbers: [33, 54] Generated Node #0,2,0: 36:[33, 54] Operation: 54*1=54 Exploring Operation: 54-1=53, Resulting Numbers: [33, 53] Generated Node #0,2,1: 36:[33, 53] Operation: 54-1=53 Exploring Operation: 54-33=21, Resulting Numbers: [1, 21] Generated Node #0,2,2: 36:[1, 21] Operation: 54-33=21 Exploring Operation: 33+1=34, Resulting Numbers: [54, 34] Generated Node #0,2,3: 36:[54, 34] Operation: 33+1=34 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 36:[1, 21], Operations: ['62-61=1', '54-33=21'] Exploring Operation: 1+21=22, Resulting Numbers: [22] 22,36 unequal: No Solution Exploring Operation: 21-1=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 21/1=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 1*21=21, Resulting Numbers: [21] 21,36 unequal: No Solution No 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: 36:[33, 53], Operations: ['62-61=1', '54-1=53'] Exploring Operation: 33+53=86, Resulting Numbers: [86] 86,36 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 33*53=1749, Resulting Numbers: [1749] 1749,36 unequal: No Solution No 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: 36:[54, 34], Operations: ['62-61=1', '33+1=34'] Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 54+34=88, Resulting Numbers: [88] 88,36 unequal: No Solution Exploring Operation: 54*34=1836, Resulting Numbers: [1836] 1836,36 unequal: No Solution No 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: 36:[33, 54], Operations: ['62-61=1', '54*1=54'] Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 33*54=1782, Resulting Numbers: [1782] 1782,36 unequal: No Solution Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,36 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: 36:[61, 33, 8], Operations: ['62-54=8'] Exploring Operation: 61-8=53, Resulting Numbers: [33, 53] Generated Node #0,1,0: 36:[33, 53] Operation: 61-8=53 Exploring Operation: 33+8=41, Resulting Numbers: [61, 41] Generated Node #0,1,1: 36:[61, 41] Operation: 33+8=41 Exploring Operation: 61-33=28, Resulting Numbers: [8, 28] Generated Node #0,1,2: 36:[8, 28] Operation: 61-33=28 Exploring Operation: 33-8=25, Resulting Numbers: [61, 25] Generated Node #0,1,3: 36:[61, 25] Operation: 33-8=25 Moving to Node #0,1,2 Current State: 36:[8, 28], Operations: ['62-54=8', '61-33=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,36 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[54, 61, 33, 62], Operations: [] Exploring Operation: 62-54=8, Resulting Numbers: [61, 33, 8] Generated Node #0,1: 36:[61, 33, 8] Operation: 62-54=8 Moving to Node #0,1 Current State: 36:[61, 33, 8], Operations: ['62-54=8'] Exploring Operation: 61-33=28, Resulting Numbers: [8, 28] Generated Node #0,1,2: 36:[8, 28] Operation: 61-33=28 Moving to Node #0,1,2 Current State: 36:[8, 28], Operations: ['62-54=8', '61-33=28'] Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 38, 75, 31, 44 ]
37
[ "75-31=44", "44/44=1", "38-1=37" ]
Current State: 37:[38, 75, 31, 44], Operations: [] Exploring Operation: 75-31=44, Resulting Numbers: [38, 44, 44] Generated Node #2: [38, 44, 44] from Operation: 75-31=44 Current State: 37:[38, 44, 44], Operations: ['75-31=44'] Exploring Operation: 44/44=1, Resulting Numbers: [38, 1] Generated Node #3: [38, 1] from Operation: 44/44=1 Current State: 37:[38, 1], Operations: ['75-31=44', '44/44=1'] Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[38, 75, 31, 44], Operations: [] Exploring Operation: 75-44=31, Resulting Numbers: [38, 31, 31] Generated Node #0,0: 37:[38, 31, 31] Operation: 75-44=31 Exploring Operation: 75-31=44, Resulting Numbers: [38, 44, 44] Generated Node #0,1: 37:[38, 44, 44] Operation: 75-31=44 Exploring Operation: 75-38=37, Resulting Numbers: [31, 44, 37] Generated Node #0,2: 37:[31, 44, 37] Operation: 75-38=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[38, 31, 31], Operations: ['75-44=31'] Exploring Operation: 38-31=7, Resulting Numbers: [31, 7] Generated Node #0,0,0: 37:[31, 7] Operation: 38-31=7 Exploring Operation: 31+31=62, Resulting Numbers: [38, 62] Generated Node #0,0,1: 37:[38, 62] Operation: 31+31=62 Exploring Operation: 38-31=7, Resulting Numbers: [31, 7] Generated Node #0,0,2: 37:[31, 7] Operation: 38-31=7 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 37:[38, 62], Operations: ['75-44=31', '31+31=62'] Exploring Operation: 38+62=100, Resulting Numbers: [100] 100,37 unequal: No Solution Exploring Operation: 38*62=2356, Resulting Numbers: [2356] 2356,37 unequal: No Solution Exploring Operation: 62-38=24, Resulting Numbers: [24] 24,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[31, 7], Operations: ['75-44=31', '38-31=7'] Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,37 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 37:[31, 7], Operations: ['75-44=31', '38-31=7'] Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,37 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[31, 44, 37], Operations: ['75-38=37'] Exploring Operation: 44-31=13, Resulting Numbers: [37, 13] Generated Node #0,2,0: 37:[37, 13] Operation: 44-31=13 Exploring Operation: 31+44=75, Resulting Numbers: [37, 75] Generated Node #0,2,1: 37:[37, 75] Operation: 31+44=75 Exploring Operation: 44-37=7, Resulting Numbers: [31, 7] Generated Node #0,2,2: 37:[31, 7] Operation: 44-37=7 Moving to Node #0,2,0 Current State: 37:[37, 13], Operations: ['75-38=37', '44-31=13'] Exploring Operation: 37+13=50, Resulting Numbers: [50] 50,37 unequal: No Solution Exploring Operation: 37*13=481, Resulting Numbers: [481] 481,37 unequal: No Solution Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,37 unequal: No Solution Moving to Node #0,2,2 Current State: 37:[31, 7], Operations: ['75-38=37', '44-37=7'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,37 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,37 unequal: No Solution Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[37, 75], Operations: ['75-38=37', '31+44=75'] Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 37*75=2775, Resulting Numbers: [2775] 2775,37 unequal: No Solution Exploring Operation: 37+75=112, Resulting Numbers: [112] 112,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[38, 44, 44], Operations: ['75-31=44'] Exploring Operation: 44-38=6, Resulting Numbers: [44, 6] Generated Node #0,1,0: 37:[44, 6] Operation: 44-38=6 Exploring Operation: 44-38=6, Resulting Numbers: [44, 6] Generated Node #0,1,1: 37:[44, 6] Operation: 44-38=6 Exploring Operation: 44/44=1, Resulting Numbers: [38, 1] Generated Node #0,1,2: 37:[38, 1] Operation: 44/44=1 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[38, 1], Operations: ['75-31=44', '44/44=1'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,37 unequal: No Solution Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[38, 75, 31, 44], Operations: [] Exploring Operation: 75-31=44, Resulting Numbers: [38, 44, 44] Generated Node #0,1: 37:[38, 44, 44] Operation: 75-31=44 Moving to Node #0,1 Current State: 37:[38, 44, 44], Operations: ['75-31=44'] Exploring Operation: 44/44=1, Resulting Numbers: [38, 1] Generated Node #0,1,2: 37:[38, 1] Operation: 44/44=1 Moving to Node #0,1,2 Current State: 37:[38, 1], Operations: ['75-31=44', '44/44=1'] Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_3
mult_heuristic
[ 64, 82, 44, 12 ]
41
[ "44-12=32", "64/32=2", "82/2=41" ]
Current State: 41:[64, 82, 44, 12], Operations: [] Exploring Operation: 44-12=32, Resulting Numbers: [64, 82, 32] Generated Node #2: [64, 82, 32] from Operation: 44-12=32 Current State: 41:[64, 82, 32], Operations: ['44-12=32'] Exploring Operation: 64/32=2, Resulting Numbers: [82, 2] Generated Node #3: [82, 2] from Operation: 64/32=2 Current State: 41:[82, 2], Operations: ['44-12=32', '64/32=2'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[64, 82, 44, 12], Operations: [] Exploring Operation: 64-12=52, Resulting Numbers: [82, 44, 52] Generated Node #0,0: 41:[82, 44, 52] Operation: 64-12=52 Exploring Operation: 82-64=18, Resulting Numbers: [44, 12, 18] Generated Node #0,1: 41:[44, 12, 18] Operation: 82-64=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[82, 44, 52], Operations: ['64-12=52'] Exploring Operation: 82-52=30, Resulting Numbers: [44, 30] Generated Node #0,0,0: 41:[44, 30] Operation: 82-52=30 Exploring Operation: 82-44=38, Resulting Numbers: [52, 38] Generated Node #0,0,1: 41:[52, 38] Operation: 82-44=38 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[44, 30], Operations: ['64-12=52', '82-52=30'] Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,41 unequal: No Solution Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,41 unequal: No Solution No 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: 41:[52, 38], Operations: ['64-12=52', '82-44=38'] Exploring Operation: 52+38=90, Resulting Numbers: [90] 90,41 unequal: No Solution Exploring Operation: 52-38=14, Resulting Numbers: [14] 14,41 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: 41:[44, 12, 18], Operations: ['82-64=18'] Exploring Operation: 44-12=32, Resulting Numbers: [18, 32] Generated Node #0,1,0: 41:[18, 32] Operation: 44-12=32 Exploring Operation: 12+18=30, Resulting Numbers: [44, 30] Generated Node #0,1,1: 41:[44, 30] Operation: 12+18=30 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[44, 30], Operations: ['82-64=18', '12+18=30'] Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,41 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,41 unequal: No Solution No 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: 41:[18, 32], Operations: ['82-64=18', '44-12=32'] Exploring Operation: 18+32=50, Resulting Numbers: [50] 50,41 unequal: No Solution Exploring Operation: 32-18=14, Resulting Numbers: [14] 14,41 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, 71, 54, 27 ]
32
[ "76-71=5", "54-27=27", "5+27=32" ]
Current State: 32:[76, 71, 54, 27], Operations: [] Exploring Operation: 76-71=5, Resulting Numbers: [54, 27, 5] Generated Node #2: [54, 27, 5] from Operation: 76-71=5 Current State: 32:[54, 27, 5], Operations: ['76-71=5'] Exploring Operation: 54-27=27, Resulting Numbers: [5, 27] Generated Node #3: [5, 27] from Operation: 54-27=27 Current State: 32:[5, 27], Operations: ['76-71=5', '54-27=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[76, 71, 54, 27], Operations: [] Exploring Operation: 76-27=49, Resulting Numbers: [71, 54, 49] Generated Node #0,0: 32:[71, 54, 49] Operation: 76-27=49 Exploring Operation: 71-54=17, Resulting Numbers: [76, 27, 17] Generated Node #0,1: 32:[76, 27, 17] Operation: 71-54=17 Exploring Operation: 76-71=5, Resulting Numbers: [54, 27, 5] Generated Node #0,2: 32:[54, 27, 5] Operation: 76-71=5 Exploring Operation: 71-27=44, Resulting Numbers: [76, 54, 44] Generated Node #0,3: 32:[76, 54, 44] Operation: 71-27=44 Exploring Operation: 76-54=22, Resulting Numbers: [71, 27, 22] Generated Node #0,4: 32:[71, 27, 22] Operation: 76-54=22 Moving to Node #0,2 Current State: 32:[54, 27, 5], Operations: ['76-71=5'] Exploring Operation: 54-5=49, Resulting Numbers: [27, 49] Generated Node #0,2,0: 32:[27, 49] Operation: 54-5=49 Exploring Operation: 54/27=2, Resulting Numbers: [5, 2] Generated Node #0,2,1: 32:[5, 2] Operation: 54/27=2 Exploring Operation: 54-27=27, Resulting Numbers: [5, 27] Generated Node #0,2,2: 32:[5, 27] Operation: 54-27=27 Exploring Operation: 27-5=22, Resulting Numbers: [54, 22] Generated Node #0,2,3: 32:[54, 22] Operation: 27-5=22 Exploring Operation: 27+5=32, Resulting Numbers: [54, 32] Generated Node #0,2,4: 32:[54, 32] Operation: 27+5=32 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 32:[5, 2], Operations: ['76-71=5', '54/27=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,32 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 32:[5, 27], Operations: ['76-71=5', '54-27=27'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,32 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[76, 71, 54, 27], Operations: [] Exploring Operation: 76-71=5, Resulting Numbers: [54, 27, 5] Generated Node #0,2: 32:[54, 27, 5] Operation: 76-71=5 Moving to Node #0,2 Current State: 32:[54, 27, 5], Operations: ['76-71=5'] Exploring Operation: 54-27=27, Resulting Numbers: [5, 27] Generated Node #0,2,2: 32:[5, 27] Operation: 54-27=27 Moving to Node #0,2,2 Current State: 32:[5, 27], Operations: ['76-71=5', '54-27=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 48, 18, 22, 84 ]
81
[ "48+18=66", "66/22=3", "84-3=81" ]
Current State: 81:[48, 18, 22, 84], Operations: [] Exploring Operation: 48+18=66, Resulting Numbers: [22, 84, 66] Generated Node #2: [22, 84, 66] from Operation: 48+18=66 Current State: 81:[22, 84, 66], Operations: ['48+18=66'] Exploring Operation: 66/22=3, Resulting Numbers: [84, 3] Generated Node #3: [84, 3] from Operation: 66/22=3 Current State: 81:[84, 3], Operations: ['48+18=66', '66/22=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[48, 18, 22, 84], Operations: [] Exploring Operation: 48+22=70, Resulting Numbers: [18, 84, 70] Generated Node #0,0: 81:[18, 84, 70] Operation: 48+22=70 Exploring Operation: 48-22=26, Resulting Numbers: [18, 84, 26] Generated Node #0,1: 81:[18, 84, 26] Operation: 48-22=26 Exploring Operation: 84-48=36, Resulting Numbers: [18, 22, 36] Generated Node #0,2: 81:[18, 22, 36] Operation: 84-48=36 Exploring Operation: 48+18=66, Resulting Numbers: [22, 84, 66] Generated Node #0,3: 81:[22, 84, 66] Operation: 48+18=66 Exploring Operation: 48-18=30, Resulting Numbers: [22, 84, 30] Generated Node #0,4: 81:[22, 84, 30] Operation: 48-18=30 Moving to Node #0,4 Current State: 81:[22, 84, 30], Operations: ['48-18=30'] Exploring Operation: 30-22=8, Resulting Numbers: [84, 8] Generated Node #0,4,0: 81:[84, 8] Operation: 30-22=8 Exploring Operation: 22+30=52, Resulting Numbers: [84, 52] Generated Node #0,4,1: 81:[84, 52] Operation: 22+30=52 Exploring Operation: 22+84=106, Resulting Numbers: [30, 106] Generated Node #0,4,2: 81:[30, 106] Operation: 22+84=106 Exploring Operation: 84-30=54, Resulting Numbers: [22, 54] Generated Node #0,4,3: 81:[22, 54] Operation: 84-30=54 Exploring Operation: 84-22=62, Resulting Numbers: [30, 62] Generated Node #0,4,4: 81:[30, 62] Operation: 84-22=62 Moving to Node #0,1 Current State: 81:[18, 84, 26], Operations: ['48-22=26'] Exploring Operation: 18+84=102, Resulting Numbers: [26, 102] Generated Node #0,1,0: 81:[26, 102] Operation: 18+84=102 Exploring Operation: 84-18=66, Resulting Numbers: [26, 66] Generated Node #0,1,1: 81:[26, 66] Operation: 84-18=66 Exploring Operation: 26-18=8, Resulting Numbers: [84, 8] Generated Node #0,1,2: 81:[84, 8] Operation: 26-18=8 Exploring Operation: 18+26=44, Resulting Numbers: [84, 44] Generated Node #0,1,3: 81:[84, 44] Operation: 18+26=44 Exploring Operation: 84-26=58, Resulting Numbers: [18, 58] Generated Node #0,1,4: 81:[18, 58] Operation: 84-26=58 Moving to Node #0,0 Current State: 81:[18, 84, 70], Operations: ['48+22=70'] Exploring Operation: 84-18=66, Resulting Numbers: [70, 66] Generated Node #0,0,0: 81:[70, 66] Operation: 84-18=66 Exploring Operation: 70-18=52, Resulting Numbers: [84, 52] Generated Node #0,0,1: 81:[84, 52] Operation: 70-18=52 Exploring Operation: 18+84=102, Resulting Numbers: [70, 102] Generated Node #0,0,2: 81:[70, 102] Operation: 18+84=102 Exploring Operation: 18+70=88, Resulting Numbers: [84, 88] Generated Node #0,0,3: 81:[84, 88] Operation: 18+70=88 Exploring Operation: 84-70=14, Resulting Numbers: [18, 14] Generated Node #0,0,4: 81:[18, 14] Operation: 84-70=14 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 81:[84, 88], Operations: ['48+22=70', '18+70=88'] Exploring Operation: 84+88=172, Resulting Numbers: [172] 172,81 unequal: No Solution Exploring Operation: 88-84=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 84*88=7392, Resulting Numbers: [7392] 7392,81 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 #0,0,4 Current State: 81:[18, 14], Operations: ['48+22=70', '84-70=14'] Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 18*14=252, Resulting Numbers: [252] 252,81 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 #0,0,0 Current State: 81:[70, 66], Operations: ['48+22=70', '84-18=66'] Exploring Operation: 70+66=136, Resulting Numbers: [136] 136,81 unequal: No Solution Exploring Operation: 70-66=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 70*66=4620, Resulting Numbers: [4620] 4620,81 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:[84, 52], Operations: ['48+22=70', '70-18=52'] Exploring Operation: 84+52=136, Resulting Numbers: [136] 136,81 unequal: No Solution Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 84*52=4368, Resulting Numbers: [4368] 4368,81 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 #0,0,2 Current State: 81:[70, 102], Operations: ['48+22=70', '18+84=102'] Exploring Operation: 70*102=7140, Resulting Numbers: [7140] 7140,81 unequal: No Solution Exploring Operation: 102-70=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 70+102=172, Resulting Numbers: [172] 172,81 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: 81:[18, 22, 36], Operations: ['84-48=36'] Exploring Operation: 22-18=4, Resulting Numbers: [36, 4] Generated Node #0,2,0: 81:[36, 4] Operation: 22-18=4 Exploring Operation: 36-18=18, Resulting Numbers: [22, 18] Generated Node #0,2,1: 81:[22, 18] Operation: 36-18=18 Exploring Operation: 36/18=2, Resulting Numbers: [22, 2] Generated Node #0,2,2: 81:[22, 2] Operation: 36/18=2 Exploring Operation: 36-22=14, Resulting Numbers: [18, 14] Generated Node #0,2,3: 81:[18, 14] Operation: 36-22=14 Exploring Operation: 18+22=40, Resulting Numbers: [36, 40] Generated Node #0,2,4: 81:[36, 40] Operation: 18+22=40 Moving to Node #0,3 Current State: 81:[22, 84, 66], Operations: ['48+18=66'] Exploring Operation: 66/22=3, Resulting Numbers: [84, 3] Generated Node #0,3,0: 81:[84, 3] Operation: 66/22=3 Exploring Operation: 66-22=44, Resulting Numbers: [84, 44] Generated Node #0,3,1: 81:[84, 44] Operation: 66-22=44 Exploring Operation: 22+66=88, Resulting Numbers: [84, 88] Generated Node #0,3,2: 81:[84, 88] Operation: 22+66=88 Exploring Operation: 84-22=62, Resulting Numbers: [66, 62] Generated Node #0,3,3: 81:[66, 62] Operation: 84-22=62 Exploring Operation: 84-66=18, Resulting Numbers: [22, 18] Generated Node #0,3,4: 81:[22, 18] Operation: 84-66=18 Moving to Node #0,3,0 Current State: 81:[84, 3], Operations: ['48+18=66', '66/22=3'] Exploring Operation: 84+3=87, Resulting Numbers: [87] 87,81 unequal: No Solution Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 84*3=252, Resulting Numbers: [252] 252,81 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[48, 18, 22, 84], Operations: [] Exploring Operation: 48+18=66, Resulting Numbers: [22, 84, 66] Generated Node #0,3: 81:[22, 84, 66] Operation: 48+18=66 Moving to Node #0,3 Current State: 81:[22, 84, 66], Operations: ['48+18=66'] Exploring Operation: 66/22=3, Resulting Numbers: [84, 3] Generated Node #0,3,0: 81:[84, 3] Operation: 66/22=3 Moving to Node #0,3,0 Current State: 81:[84, 3], Operations: ['48+18=66', '66/22=3'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.953993
hs_5
mult_heuristic
[ 23, 98, 63, 50 ]
38
[ "98-23=75", "63+50=113", "113-75=38" ]
Current State: 38:[23, 98, 63, 50], Operations: [] Exploring Operation: 98-23=75, Resulting Numbers: [63, 50, 75] Generated Node #2: [63, 50, 75] from Operation: 98-23=75 Current State: 38:[63, 50, 75], Operations: ['98-23=75'] Exploring Operation: 63+50=113, Resulting Numbers: [75, 113] Generated Node #3: [75, 113] from Operation: 63+50=113 Current State: 38:[75, 113], Operations: ['98-23=75', '63+50=113'] Exploring Operation: 113-75=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[23, 98, 63, 50], Operations: [] Exploring Operation: 98-63=35, Resulting Numbers: [23, 50, 35] Generated Node #0,0: 38:[23, 50, 35] Operation: 98-63=35 Exploring Operation: 63-50=13, Resulting Numbers: [23, 98, 13] Generated Node #0,1: 38:[23, 98, 13] Operation: 63-50=13 Exploring Operation: 98-50=48, Resulting Numbers: [23, 63, 48] Generated Node #0,2: 38:[23, 63, 48] Operation: 98-50=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[23, 50, 35], Operations: ['98-63=35'] Exploring Operation: 50-35=15, Resulting Numbers: [23, 15] Generated Node #0,0,0: 38:[23, 15] Operation: 50-35=15 Exploring Operation: 35-23=12, Resulting Numbers: [50, 12] Generated Node #0,0,1: 38:[50, 12] Operation: 35-23=12 Exploring Operation: 50-23=27, Resulting Numbers: [35, 27] Generated Node #0,0,2: 38:[35, 27] Operation: 50-23=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[23, 15], Operations: ['98-63=35', '50-35=15'] Exploring Operation: 23+15=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[23, 98, 63, 50], Operations: [] Exploring Operation: 98-63=35, Resulting Numbers: [23, 50, 35] Generated Node #0,0: 38:[23, 50, 35] Operation: 98-63=35 Moving to Node #0,0 Current State: 38:[23, 50, 35], Operations: ['98-63=35'] Exploring Operation: 50-35=15, Resulting Numbers: [23, 15] Generated Node #0,0,0: 38:[23, 15] Operation: 50-35=15 Moving to Node #0,0,0 Current State: 38:[23, 15], Operations: ['98-63=35', '50-35=15'] Exploring Operation: 23+15=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 13, 77, 79, 52 ]
41
[ "13+77=90", "79+52=131", "131-90=41" ]
Current State: 41:[13, 77, 79, 52], Operations: [] Exploring Operation: 13+77=90, Resulting Numbers: [79, 52, 90] Generated Node #2: [79, 52, 90] from Operation: 13+77=90 Current State: 41:[79, 52, 90], Operations: ['13+77=90'] Exploring Operation: 79+52=131, Resulting Numbers: [90, 131] Generated Node #3: [90, 131] from Operation: 79+52=131 Current State: 41:[90, 131], Operations: ['13+77=90', '79+52=131'] Exploring Operation: 131-90=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[13, 77, 79, 52], Operations: [] Exploring Operation: 77-13=64, Resulting Numbers: [79, 52, 64] Generated Node #0,0: 41:[79, 52, 64] Operation: 77-13=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[79, 52, 64], Operations: ['77-13=64'] Exploring Operation: 79-52=27, Resulting Numbers: [64, 27] Generated Node #0,0,0: 41:[64, 27] Operation: 79-52=27 Moving to Node #0,0,0 Current State: 41:[64, 27], Operations: ['77-13=64', '79-52=27'] Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 98, 63, 5, 12 ]
77
[ "12-5=7", "98/7=14", "63+14=77" ]
Current State: 77:[98, 63, 5, 12], Operations: [] Exploring Operation: 12-5=7, Resulting Numbers: [98, 63, 7] Generated Node #2: [98, 63, 7] from Operation: 12-5=7 Current State: 77:[98, 63, 7], Operations: ['12-5=7'] Exploring Operation: 98/7=14, Resulting Numbers: [63, 14] Generated Node #3: [63, 14] from Operation: 98/7=14 Current State: 77:[63, 14], Operations: ['12-5=7', '98/7=14'] Exploring Operation: 63+14=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[98, 63, 5, 12], Operations: [] Exploring Operation: 98-12=86, Resulting Numbers: [63, 5, 86] Generated Node #0,0: 77:[63, 5, 86] Operation: 98-12=86 Moving to Node #0,0 Current State: 77:[63, 5, 86], Operations: ['98-12=86'] Exploring Operation: 86-63=23, Resulting Numbers: [5, 23] Generated Node #0,0,0: 77:[5, 23] Operation: 86-63=23 Moving to Node #0,0,0 Current State: 77:[5, 23], Operations: ['98-12=86', '86-63=23'] Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,77 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 39, 49, 26, 87 ]
27
[ "39+49=88", "87-26=61", "88-61=27" ]
Current State: 27:[39, 49, 26, 87], Operations: [] Exploring Operation: 39+49=88, Resulting Numbers: [26, 87, 88] Generated Node #2: [26, 87, 88] from Operation: 39+49=88 Current State: 27:[26, 87, 88], Operations: ['39+49=88'] Exploring Operation: 87-26=61, Resulting Numbers: [88, 61] Generated Node #3: [88, 61] from Operation: 87-26=61 Current State: 27:[88, 61], Operations: ['39+49=88', '87-26=61'] Exploring Operation: 88-61=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[39, 49, 26, 87], Operations: [] Exploring Operation: 49-39=10, Resulting Numbers: [26, 87, 10] Generated Node #0,0: 27:[26, 87, 10] Operation: 49-39=10 Exploring Operation: 87-39=48, Resulting Numbers: [49, 26, 48] Generated Node #0,1: 27:[49, 26, 48] Operation: 87-39=48 Exploring Operation: 87-49=38, Resulting Numbers: [39, 26, 38] Generated Node #0,2: 27:[39, 26, 38] Operation: 87-49=38 Exploring Operation: 49-26=23, Resulting Numbers: [39, 87, 23] Generated Node #0,3: 27:[39, 87, 23] Operation: 49-26=23 Exploring Operation: 87-26=61, Resulting Numbers: [39, 49, 61] Generated Node #0,4: 27:[39, 49, 61] Operation: 87-26=61 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[39, 26, 38], Operations: ['87-49=38'] Exploring Operation: 38-26=12, Resulting Numbers: [39, 12] Generated Node #0,2,0: 27:[39, 12] Operation: 38-26=12 Exploring Operation: 39-26=13, Resulting Numbers: [38, 13] Generated Node #0,2,1: 27:[38, 13] Operation: 39-26=13 Exploring Operation: 39-38=1, Resulting Numbers: [26, 1] Generated Node #0,2,2: 27:[26, 1] Operation: 39-38=1 Exploring Operation: 26+38=64, Resulting Numbers: [39, 64] Generated Node #0,2,3: 27:[39, 64] Operation: 26+38=64 Exploring Operation: 39+26=65, Resulting Numbers: [38, 65] Generated Node #0,2,4: 27:[38, 65] Operation: 39+26=65 Moving to Node #0,2,2 Current State: 27:[26, 1], Operations: ['87-49=38', '39-38=1'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 26*1=26, Resulting Numbers: [26] 26,27 unequal: No Solution Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[39, 49, 26, 87], Operations: [] Exploring Operation: 87-49=38, Resulting Numbers: [39, 26, 38] Generated Node #0,2: 27:[39, 26, 38] Operation: 87-49=38 Moving to Node #0,2 Current State: 27:[39, 26, 38], Operations: ['87-49=38'] Exploring Operation: 39-38=1, Resulting Numbers: [26, 1] Generated Node #0,2,2: 27:[26, 1] Operation: 39-38=1 Moving to Node #0,2,2 Current State: 27:[26, 1], Operations: ['87-49=38', '39-38=1'] Exploring Operation: 26+1=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 4, 82, 32, 33 ]
18
[ "4*33=132", "82+32=114", "132-114=18" ]
Current State: 18:[4, 82, 32, 33], Operations: [] Exploring Operation: 4*33=132, Resulting Numbers: [82, 32, 132] Generated Node #2: [82, 32, 132] from Operation: 4*33=132 Current State: 18:[82, 32, 132], Operations: ['4*33=132'] Exploring Operation: 82+32=114, Resulting Numbers: [132, 114] Generated Node #3: [132, 114] from Operation: 82+32=114 Current State: 18:[132, 114], Operations: ['4*33=132', '82+32=114'] Exploring Operation: 132-114=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[4, 82, 32, 33], Operations: [] Exploring Operation: 82-33=49, Resulting Numbers: [4, 32, 49] Generated Node #0,0: 18:[4, 32, 49] Operation: 82-33=49 Exploring Operation: 82-32=50, Resulting Numbers: [4, 33, 50] Generated Node #0,1: 18:[4, 33, 50] Operation: 82-32=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[4, 32, 49], Operations: ['82-33=49'] Exploring Operation: 49-32=17, Resulting Numbers: [4, 17] Generated Node #0,0,0: 18:[4, 17] Operation: 49-32=17 Exploring Operation: 32/4=8, Resulting Numbers: [49, 8] Generated Node #0,0,1: 18:[49, 8] Operation: 32/4=8 Moving to Node #0,0,0 Current State: 18:[4, 17], Operations: ['82-33=49', '49-32=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,18 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[49, 8], Operations: ['82-33=49', '32/4=8'] Exploring Operation: 49+8=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[4, 33, 50], Operations: ['82-32=50'] Exploring Operation: 50-33=17, Resulting Numbers: [4, 17] Generated Node #0,1,0: 18:[4, 17] Operation: 50-33=17 Exploring Operation: 33-4=29, Resulting Numbers: [50, 29] Generated Node #0,1,1: 18:[50, 29] Operation: 33-4=29 Moving to Node #0,1,0 Current State: 18:[4, 17], Operations: ['82-32=50', '50-33=17'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,18 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[50, 29], Operations: ['82-32=50', '33-4=29'] Exploring Operation: 50+29=79, Resulting Numbers: [79] 79,18 unequal: No Solution Exploring Operation: 50-29=21, Resulting Numbers: [21] 21,18 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, 81, 45, 75 ]
50
[ "9+45=54", "75*54=4050", "4050/81=50" ]
Current State: 50:[9, 81, 45, 75], Operations: [] Exploring Operation: 9+45=54, Resulting Numbers: [81, 75, 54] Generated Node #2: [81, 75, 54] from Operation: 9+45=54 Current State: 50:[81, 75, 54], Operations: ['9+45=54'] Exploring Operation: 75*54=4050, Resulting Numbers: [81, 4050] Generated Node #3: [81, 4050] from Operation: 75*54=4050 Current State: 50:[81, 4050], Operations: ['9+45=54', '75*54=4050'] Exploring Operation: 4050/81=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[9, 81, 45, 75], Operations: [] Exploring Operation: 81-75=6, Resulting Numbers: [9, 45, 6] Generated Node #0,0: 50:[9, 45, 6] Operation: 81-75=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[9, 45, 6], Operations: ['81-75=6'] Exploring Operation: 45/9=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 50:[6, 5] Operation: 45/9=5 Moving to Node #0,0,0 Current State: 50:[6, 5], Operations: ['81-75=6', '45/9=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,50 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
[ 1, 27, 17, 42 ]
53
[ "1+27=28", "42-17=25", "28+25=53" ]
Current State: 53:[1, 27, 17, 42], Operations: [] Exploring Operation: 1+27=28, Resulting Numbers: [17, 42, 28] Generated Node #2: [17, 42, 28] from Operation: 1+27=28 Current State: 53:[17, 42, 28], Operations: ['1+27=28'] Exploring Operation: 42-17=25, Resulting Numbers: [28, 25] Generated Node #3: [28, 25] from Operation: 42-17=25 Current State: 53:[28, 25], Operations: ['1+27=28', '42-17=25'] Exploring Operation: 28+25=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[1, 27, 17, 42], Operations: [] Exploring Operation: 1+42=43, Resulting Numbers: [27, 17, 43] Generated Node #0,0: 53:[27, 17, 43] Operation: 1+42=43 Exploring Operation: 27+17=44, Resulting Numbers: [1, 42, 44] Generated Node #0,1: 53:[1, 42, 44] Operation: 27+17=44 Exploring Operation: 1+17=18, Resulting Numbers: [27, 42, 18] Generated Node #0,2: 53:[27, 42, 18] Operation: 1+17=18 Exploring Operation: 1+27=28, Resulting Numbers: [17, 42, 28] Generated Node #0,3: 53:[17, 42, 28] Operation: 1+27=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[27, 17, 43], Operations: ['1+42=43'] Exploring Operation: 27-17=10, Resulting Numbers: [43, 10] Generated Node #0,0,0: 53:[43, 10] Operation: 27-17=10 Exploring Operation: 17+43=60, Resulting Numbers: [27, 60] Generated Node #0,0,1: 53:[27, 60] Operation: 17+43=60 Exploring Operation: 27+17=44, Resulting Numbers: [43, 44] Generated Node #0,0,2: 53:[43, 44] Operation: 27+17=44 Exploring Operation: 27+43=70, Resulting Numbers: [17, 70] Generated Node #0,0,3: 53:[17, 70] Operation: 27+43=70 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 53:[43, 44], Operations: ['1+42=43', '27+17=44'] Exploring Operation: 44-43=1, Resulting Numbers: [1] 1,53 unequal: No Solution Exploring Operation: 43*44=1892, Resulting Numbers: [1892] 1892,53 unequal: No Solution Exploring Operation: 43+44=87, Resulting Numbers: [87] 87,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[27, 60], Operations: ['1+42=43', '17+43=60'] Exploring Operation: 60-27=33, Resulting Numbers: [33] 33,53 unequal: No Solution Exploring Operation: 27+60=87, Resulting Numbers: [87] 87,53 unequal: No Solution Exploring Operation: 27*60=1620, Resulting Numbers: [1620] 1620,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[43, 10], Operations: ['1+42=43', '27-17=10'] Exploring Operation: 43*10=430, Resulting Numbers: [430] 430,53 unequal: No Solution Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,53 unequal: No Solution Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[1, 27, 17, 42], Operations: [] Exploring Operation: 1+42=43, Resulting Numbers: [27, 17, 43] Generated Node #0,0: 53:[27, 17, 43] Operation: 1+42=43 Moving to Node #0,0 Current State: 53:[27, 17, 43], Operations: ['1+42=43'] Exploring Operation: 27-17=10, Resulting Numbers: [43, 10] Generated Node #0,0,0: 53:[43, 10] Operation: 27-17=10 Moving to Node #0,0,0 Current State: 53:[43, 10], Operations: ['1+42=43', '27-17=10'] Exploring Operation: 43+10=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 93, 70, 10, 1 ]
85
[ "93-1=92", "70/10=7", "92-7=85" ]
Current State: 85:[93, 70, 10, 1], Operations: [] Exploring Operation: 93-1=92, Resulting Numbers: [70, 10, 92] Generated Node #2: [70, 10, 92] from Operation: 93-1=92 Current State: 85:[70, 10, 92], Operations: ['93-1=92'] Exploring Operation: 70/10=7, Resulting Numbers: [92, 7] Generated Node #3: [92, 7] from Operation: 70/10=7 Current State: 85:[92, 7], Operations: ['93-1=92', '70/10=7'] Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[93, 70, 10, 1], Operations: [] Exploring Operation: 93-1=92, Resulting Numbers: [70, 10, 92] Generated Node #0,0: 85:[70, 10, 92] Operation: 93-1=92 Exploring Operation: 93-10=83, Resulting Numbers: [70, 1, 83] Generated Node #0,1: 85:[70, 1, 83] Operation: 93-10=83 Exploring Operation: 70+10=80, Resulting Numbers: [93, 1, 80] Generated Node #0,2: 85:[93, 1, 80] Operation: 70+10=80 Exploring Operation: 93-70=23, Resulting Numbers: [10, 1, 23] Generated Node #0,3: 85:[10, 1, 23] Operation: 93-70=23 Exploring Operation: 70/10=7, Resulting Numbers: [93, 1, 7] Generated Node #0,4: 85:[93, 1, 7] Operation: 70/10=7 Moving to Node #0,4 Current State: 85:[93, 1, 7], Operations: ['70/10=7'] Exploring Operation: 93*1=93, Resulting Numbers: [7, 93] Generated Node #0,4,0: 85:[7, 93] Operation: 93*1=93 Exploring Operation: 7-1=6, Resulting Numbers: [93, 6] Generated Node #0,4,1: 85:[93, 6] Operation: 7-1=6 Exploring Operation: 93-7=86, Resulting Numbers: [1, 86] Generated Node #0,4,2: 85:[1, 86] Operation: 93-7=86 Exploring Operation: 93/1=93, Resulting Numbers: [7, 93] Generated Node #0,4,3: 85:[7, 93] Operation: 93/1=93 Exploring Operation: 93-1=92, Resulting Numbers: [7, 92] Generated Node #0,4,4: 85:[7, 92] Operation: 93-1=92 Moving to Node #0,3 Current State: 85:[10, 1, 23], Operations: ['93-70=23'] Exploring Operation: 23-1=22, Resulting Numbers: [10, 22] Generated Node #0,3,0: 85:[10, 22] Operation: 23-1=22 Exploring Operation: 10/1=10, Resulting Numbers: [23, 10] Generated Node #0,3,1: 85:[23, 10] Operation: 10/1=10 Exploring Operation: 10-1=9, Resulting Numbers: [23, 9] Generated Node #0,3,2: 85:[23, 9] Operation: 10-1=9 Exploring Operation: 10*1=10, Resulting Numbers: [23, 10] Generated Node #0,3,3: 85:[23, 10] Operation: 10*1=10 Exploring Operation: 23-10=13, Resulting Numbers: [1, 13] Generated Node #0,3,4: 85:[1, 13] Operation: 23-10=13 Moving to Node #0,2 Current State: 85:[93, 1, 80], Operations: ['70+10=80'] Exploring Operation: 93*1=93, Resulting Numbers: [80, 93] Generated Node #0,2,0: 85:[80, 93] Operation: 93*1=93 Exploring Operation: 93-1=92, Resulting Numbers: [80, 92] Generated Node #0,2,1: 85:[80, 92] Operation: 93-1=92 Exploring Operation: 93/1=93, Resulting Numbers: [80, 93] Generated Node #0,2,2: 85:[80, 93] Operation: 93/1=93 Exploring Operation: 1+80=81, Resulting Numbers: [93, 81] Generated Node #0,2,3: 85:[93, 81] Operation: 1+80=81 Exploring Operation: 93-80=13, Resulting Numbers: [1, 13] Generated Node #0,2,4: 85:[1, 13] Operation: 93-80=13 Moving to Node #0,1 Current State: 85:[70, 1, 83], Operations: ['93-10=83'] Exploring Operation: 83-70=13, Resulting Numbers: [1, 13] Generated Node #0,1,0: 85:[1, 13] Operation: 83-70=13 Exploring Operation: 70/1=70, Resulting Numbers: [83, 70] Generated Node #0,1,1: 85:[83, 70] Operation: 70/1=70 Exploring Operation: 70+1=71, Resulting Numbers: [83, 71] Generated Node #0,1,2: 85:[83, 71] Operation: 70+1=71 Exploring Operation: 70*1=70, Resulting Numbers: [83, 70] Generated Node #0,1,3: 85:[83, 70] Operation: 70*1=70 Exploring Operation: 1+83=84, Resulting Numbers: [70, 84] Generated Node #0,1,4: 85:[70, 84] Operation: 1+83=84 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[1, 13], Operations: ['93-10=83', '83-70=13'] Exploring Operation: 1+13=14, Resulting Numbers: [14] 14,85 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,85 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,85 unequal: No Solution Exploring Operation: 1*13=13, Resulting Numbers: [13] 13,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 85:[83, 71], Operations: ['93-10=83', '70+1=71'] Exploring Operation: 83-71=12, Resulting Numbers: [12] 12,85 unequal: No Solution Exploring Operation: 83*71=5893, Resulting Numbers: [5893] 5893,85 unequal: No Solution Exploring Operation: 83+71=154, Resulting Numbers: [154] 154,85 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, 84], Operations: ['93-10=83', '1+83=84'] Exploring Operation: 70*84=5880, Resulting Numbers: [5880] 5880,85 unequal: No Solution Exploring Operation: 70+84=154, Resulting Numbers: [154] 154,85 unequal: No Solution Exploring Operation: 84-70=14, Resulting Numbers: [14] 14,85 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:[83, 70], Operations: ['93-10=83', '70/1=70'] Exploring Operation: 83+70=153, Resulting Numbers: [153] 153,85 unequal: No Solution Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,85 unequal: No Solution Exploring Operation: 83*70=5810, Resulting Numbers: [5810] 5810,85 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:[83, 70], Operations: ['93-10=83', '70*1=70'] Exploring Operation: 83*70=5810, Resulting Numbers: [5810] 5810,85 unequal: No Solution Exploring Operation: 83+70=153, Resulting Numbers: [153] 153,85 unequal: No Solution Exploring Operation: 83-70=13, Resulting Numbers: [13] 13,85 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: 85:[70, 10, 92], Operations: ['93-1=92'] Exploring Operation: 70/10=7, Resulting Numbers: [92, 7] Generated Node #0,0,0: 85:[92, 7] Operation: 70/10=7 Exploring Operation: 92-10=82, Resulting Numbers: [70, 82] Generated Node #0,0,1: 85:[70, 82] Operation: 92-10=82 Exploring Operation: 92-70=22, Resulting Numbers: [10, 22] Generated Node #0,0,2: 85:[10, 22] Operation: 92-70=22 Exploring Operation: 70-10=60, Resulting Numbers: [92, 60] Generated Node #0,0,3: 85:[92, 60] Operation: 70-10=60 Exploring Operation: 70+10=80, Resulting Numbers: [92, 80] Generated Node #0,0,4: 85:[92, 80] Operation: 70+10=80 Moving to Node #0,4,2 Current State: 85:[1, 86], Operations: ['70/10=7', '93-7=86'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[93, 70, 10, 1], Operations: [] Exploring Operation: 70/10=7, Resulting Numbers: [93, 1, 7] Generated Node #0,4: 85:[93, 1, 7] Operation: 70/10=7 Moving to Node #0,4 Current State: 85:[93, 1, 7], Operations: ['70/10=7'] Exploring Operation: 93-7=86, Resulting Numbers: [1, 86] Generated Node #0,4,2: 85:[1, 86] Operation: 93-7=86 Moving to Node #0,4,2 Current State: 85:[1, 86], Operations: ['70/10=7', '93-7=86'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.955729
hs_5
mult_heuristic
[ 20, 25, 14, 86 ]
95
[ "25-20=5", "14+86=100", "100-5=95" ]
Current State: 95:[20, 25, 14, 86], Operations: [] Exploring Operation: 25-20=5, Resulting Numbers: [14, 86, 5] Generated Node #2: [14, 86, 5] from Operation: 25-20=5 Current State: 95:[14, 86, 5], Operations: ['25-20=5'] Exploring Operation: 14+86=100, Resulting Numbers: [5, 100] Generated Node #3: [5, 100] from Operation: 14+86=100 Current State: 95:[5, 100], Operations: ['25-20=5', '14+86=100'] Exploring Operation: 100-5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[20, 25, 14, 86], Operations: [] Exploring Operation: 14+86=100, Resulting Numbers: [20, 25, 100] Generated Node #0,0: 95:[20, 25, 100] Operation: 14+86=100 Exploring Operation: 25-20=5, Resulting Numbers: [14, 86, 5] Generated Node #0,1: 95:[14, 86, 5] Operation: 25-20=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[20, 25, 100], Operations: ['14+86=100'] Exploring Operation: 25-20=5, Resulting Numbers: [100, 5] Generated Node #0,0,0: 95:[100, 5] Operation: 25-20=5 Exploring Operation: 100/25=4, Resulting Numbers: [20, 4] Generated Node #0,0,1: 95:[20, 4] Operation: 100/25=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[20, 4], Operations: ['14+86=100', '100/25=4'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,95 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[100, 5], Operations: ['14+86=100', '25-20=5'] Exploring Operation: 100-5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[20, 25, 14, 86], Operations: [] Exploring Operation: 14+86=100, Resulting Numbers: [20, 25, 100] Generated Node #0,0: 95:[20, 25, 100] Operation: 14+86=100 Moving to Node #0,0 Current State: 95:[20, 25, 100], Operations: ['14+86=100'] Exploring Operation: 25-20=5, Resulting Numbers: [100, 5] Generated Node #0,0,0: 95:[100, 5] Operation: 25-20=5 Moving to Node #0,0,0 Current State: 95:[100, 5], Operations: ['14+86=100', '25-20=5'] Exploring Operation: 100-5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 6, 36, 10, 51 ]
45
[ "6*10=60", "51-36=15", "60-15=45" ]
Current State: 45:[6, 36, 10, 51], Operations: [] Exploring Operation: 6*10=60, Resulting Numbers: [36, 51, 60] Generated Node #2: [36, 51, 60] from Operation: 6*10=60 Current State: 45:[36, 51, 60], Operations: ['6*10=60'] Exploring Operation: 51-36=15, Resulting Numbers: [60, 15] Generated Node #3: [60, 15] from Operation: 51-36=15 Current State: 45:[60, 15], Operations: ['6*10=60', '51-36=15'] Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[6, 36, 10, 51], Operations: [] Exploring Operation: 36/6=6, Resulting Numbers: [10, 51, 6] Generated Node #0,0: 45:[10, 51, 6] Operation: 36/6=6 Exploring Operation: 36+10=46, Resulting Numbers: [6, 51, 46] Generated Node #0,1: 45:[6, 51, 46] Operation: 36+10=46 Exploring Operation: 51-36=15, Resulting Numbers: [6, 10, 15] Generated Node #0,2: 45:[6, 10, 15] Operation: 51-36=15 Exploring Operation: 51-6=45, Resulting Numbers: [36, 10, 45] Generated Node #0,3: 45:[36, 10, 45] Operation: 51-6=45 Exploring Operation: 6+36=42, Resulting Numbers: [10, 51, 42] Generated Node #0,4: 45:[10, 51, 42] Operation: 6+36=42 Moving to Node #0,2 Current State: 45:[6, 10, 15], Operations: ['51-36=15'] Exploring Operation: 15-10=5, Resulting Numbers: [6, 5] Generated Node #0,2,0: 45:[6, 5] Operation: 15-10=5 Exploring Operation: 15-6=9, Resulting Numbers: [10, 9] Generated Node #0,2,1: 45:[10, 9] Operation: 15-6=9 Exploring Operation: 6+10=16, Resulting Numbers: [15, 16] Generated Node #0,2,2: 45:[15, 16] Operation: 6+10=16 Exploring Operation: 6+15=21, Resulting Numbers: [10, 21] Generated Node #0,2,3: 45:[10, 21] Operation: 6+15=21 Exploring Operation: 10-6=4, Resulting Numbers: [15, 4] Generated Node #0,2,4: 45:[15, 4] Operation: 10-6=4 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 45:[6, 5], Operations: ['51-36=15', '15-10=5'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,45 unequal: No Solution No 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: 45:[10, 9], Operations: ['51-36=15', '15-6=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,45 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,45 unequal: No Solution No 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: 45:[15, 16], Operations: ['51-36=15', '6+10=16'] Exploring Operation: 15*16=240, Resulting Numbers: [240] 240,45 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,45 unequal: No Solution Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,45 unequal: No Solution No 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: 45:[15, 4], Operations: ['51-36=15', '10-6=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,45 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,45 unequal: No Solution No 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: 45:[10, 21], Operations: ['51-36=15', '6+15=21'] Exploring Operation: 10*21=210, Resulting Numbers: [210] 210,45 unequal: No Solution Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,45 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,45 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: 45:[6, 51, 46], Operations: ['36+10=46'] Exploring Operation: 46-6=40, Resulting Numbers: [51, 40] Generated Node #0,1,0: 45:[51, 40] Operation: 46-6=40 Exploring Operation: 51-46=5, Resulting Numbers: [6, 5] Generated Node #0,1,1: 45:[6, 5] Operation: 51-46=5 Exploring Operation: 6+51=57, Resulting Numbers: [46, 57] Generated Node #0,1,2: 45:[46, 57] Operation: 6+51=57 Exploring Operation: 6+46=52, Resulting Numbers: [51, 52] Generated Node #0,1,3: 45:[51, 52] Operation: 6+46=52 Exploring Operation: 51-6=45, Resulting Numbers: [46, 45] Generated Node #0,1,4: 45:[46, 45] Operation: 51-6=45 Moving to Node #0,0 Current State: 45:[10, 51, 6], Operations: ['36/6=6'] Exploring Operation: 51+6=57, Resulting Numbers: [10, 57] Generated Node #0,0,0: 45:[10, 57] Operation: 51+6=57 Exploring Operation: 51-10=41, Resulting Numbers: [6, 41] Generated Node #0,0,1: 45:[6, 41] Operation: 51-10=41 Exploring Operation: 10-6=4, Resulting Numbers: [51, 4] Generated Node #0,0,2: 45:[51, 4] Operation: 10-6=4 Exploring Operation: 51-6=45, Resulting Numbers: [10, 45] Generated Node #0,0,3: 45:[10, 45] Operation: 51-6=45 Exploring Operation: 10+6=16, Resulting Numbers: [51, 16] Generated Node #0,0,4: 45:[51, 16] Operation: 10+6=16 Moving to Node #0,3 Current State: 45:[36, 10, 45], Operations: ['51-6=45'] Exploring Operation: 36+10=46, Resulting Numbers: [45, 46] Generated Node #0,3,0: 45:[45, 46] Operation: 36+10=46 Exploring Operation: 45-10=35, Resulting Numbers: [36, 35] Generated Node #0,3,1: 45:[36, 35] Operation: 45-10=35 Exploring Operation: 10+45=55, Resulting Numbers: [36, 55] Generated Node #0,3,2: 45:[36, 55] Operation: 10+45=55 Exploring Operation: 45-36=9, Resulting Numbers: [10, 9] Generated Node #0,3,3: 45:[10, 9] Operation: 45-36=9 Exploring Operation: 36-10=26, Resulting Numbers: [45, 26] Generated Node #0,3,4: 45:[45, 26] Operation: 36-10=26 Moving to Node #0,4 Current State: 45:[10, 51, 42], Operations: ['6+36=42'] Exploring Operation: 10+51=61, Resulting Numbers: [42, 61] Generated Node #0,4,0: 45:[42, 61] Operation: 10+51=61 Exploring Operation: 51-42=9, Resulting Numbers: [10, 9] Generated Node #0,4,1: 45:[10, 9] Operation: 51-42=9 Exploring Operation: 51-10=41, Resulting Numbers: [42, 41] Generated Node #0,4,2: 45:[42, 41] Operation: 51-10=41 Exploring Operation: 10+42=52, Resulting Numbers: [51, 52] Generated Node #0,4,3: 45:[51, 52] Operation: 10+42=52 Exploring Operation: 42-10=32, Resulting Numbers: [51, 32] Generated Node #0,4,4: 45:[51, 32] Operation: 42-10=32 Moving to Node #0,1,1 Current State: 45:[6, 5], Operations: ['36+10=46', '51-46=5'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,45 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,45 unequal: No Solution Moving to Node #0,0,3 Current State: 45:[10, 45], Operations: ['36/6=6', '51-6=45'] Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,45 unequal: No Solution Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,45 unequal: No Solution Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,45 unequal: No Solution Moving to Node #0,3,3 Current State: 45:[10, 9], Operations: ['51-6=45', '45-36=9'] Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,45 unequal: No Solution Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,45 unequal: No Solution Moving to Node #0,1,4 Current State: 45:[46, 45], Operations: ['36+10=46', '51-6=45'] Exploring Operation: 46*45=2070, Resulting Numbers: [2070] 2070,45 unequal: No Solution Exploring Operation: 46+45=91, Resulting Numbers: [91] 91,45 unequal: No Solution Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,45 unequal: No Solution Moving to Node #0,3,0 Current State: 45:[45, 46], Operations: ['51-6=45', '36+10=46'] Exploring Operation: 45*46=2070, Resulting Numbers: [2070] 2070,45 unequal: No Solution Exploring Operation: 45+46=91, Resulting Numbers: [91] 91,45 unequal: No Solution Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,45 unequal: No Solution Moving to Node #0,4,1 Current State: 45:[10, 9], Operations: ['6+36=42', '51-42=9'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,45 unequal: No Solution Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[6, 41], Operations: ['36/6=6', '51-10=41'] Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,45 unequal: No Solution Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,45 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,45 unequal: No Solution Moving to Node #0,0,4 Current State: 45:[51, 16], Operations: ['36/6=6', '10+6=16'] Exploring Operation: 51*16=816, Resulting Numbers: [816] 816,45 unequal: No Solution Exploring Operation: 51+16=67, Resulting Numbers: [67] 67,45 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,45 unequal: No Solution Moving to Node #0,4,2 Current State: 45:[42, 41], Operations: ['6+36=42', '51-10=41'] Exploring Operation: 42*41=1722, Resulting Numbers: [1722] 1722,45 unequal: No Solution Exploring Operation: 42-41=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 42+41=83, Resulting Numbers: [83] 83,45 unequal: No Solution Moving to Node #0,0,2 Current State: 45:[51, 4], Operations: ['36/6=6', '10-6=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,45 unequal: No Solution Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,45 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,45 unequal: No Solution Moving to Node #0,3,4 Current State: 45:[45, 26], Operations: ['51-6=45', '36-10=26'] Exploring Operation: 45*26=1170, Resulting Numbers: [1170] 1170,45 unequal: No Solution Exploring Operation: 45+26=71, Resulting Numbers: [71] 71,45 unequal: No Solution Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,45 unequal: No Solution Moving to Node #0,1,0 Current State: 45:[51, 40], Operations: ['36+10=46', '46-6=40'] Exploring Operation: 51+40=91, Resulting Numbers: [91] 91,45 unequal: No Solution Exploring Operation: 51*40=2040, Resulting Numbers: [2040] 2040,45 unequal: No Solution Exploring Operation: 51-40=11, Resulting Numbers: [11] 11,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[10, 57], Operations: ['36/6=6', '51+6=57'] Exploring Operation: 10*57=570, Resulting Numbers: [570] 570,45 unequal: No Solution Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,45 unequal: No Solution Exploring Operation: 10+57=67, Resulting Numbers: [67] 67,45 unequal: No Solution Moving to Node #0,1,3 Current State: 45:[51, 52], Operations: ['36+10=46', '6+46=52'] Exploring Operation: 51*52=2652, Resulting Numbers: [2652] 2652,45 unequal: No Solution Exploring Operation: 51+52=103, Resulting Numbers: [103] 103,45 unequal: No Solution Exploring Operation: 52-51=1, Resulting Numbers: [1] 1,45 unequal: No Solution Moving to Node #0,4,3 Current State: 45:[51, 52], Operations: ['6+36=42', '10+42=52'] Exploring Operation: 52-51=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 51*52=2652, Resulting Numbers: [2652] 2652,45 unequal: No Solution Exploring Operation: 51+52=103, Resulting Numbers: [103] 103,45 unequal: No Solution Moving to Node #0,1,2 Current State: 45:[46, 57], Operations: ['36+10=46', '6+51=57'] Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,45 unequal: No Solution Exploring Operation: 46+57=103, Resulting Numbers: [103] 103,45 unequal: No Solution Exploring Operation: 46*57=2622, Resulting Numbers: [2622] 2622,45 unequal: No Solution Moving to Node #0,3,2 Current State: 45:[36, 55], Operations: ['51-6=45', '10+45=55'] Exploring Operation: 36+55=91, Resulting Numbers: [91] 91,45 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 36*55=1980, Resulting Numbers: [1980] 1980,45 unequal: No Solution Moving to Node #0,4,0 Current State: 45:[42, 61], Operations: ['6+36=42', '10+51=61'] Exploring Operation: 61-42=19, Resulting Numbers: [19] 19,45 unequal: No Solution Exploring Operation: 42*61=2562, Resulting Numbers: [2562] 2562,45 unequal: No Solution Exploring Operation: 42+61=103, Resulting Numbers: [103] 103,45 unequal: No Solution Moving to Node #0,3,1 Current State: 45:[36, 35], Operations: ['51-6=45', '45-10=35'] Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 36*35=1260, Resulting Numbers: [1260] 1260,45 unequal: No Solution Exploring Operation: 36+35=71, Resulting Numbers: [71] 71,45 unequal: No Solution Moving to Node #0,4,4 Current State: 45:[51, 32], Operations: ['6+36=42', '42-10=32'] Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,45 unequal: No Solution Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,45 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,45 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 20, 5, 26, 2 ]
13
[ "20-5=15", "26+2=28", "28-15=13" ]
Current State: 13:[20, 5, 26, 2], Operations: [] Exploring Operation: 20-5=15, Resulting Numbers: [26, 2, 15] Generated Node #2: [26, 2, 15] from Operation: 20-5=15 Current State: 13:[26, 2, 15], Operations: ['20-5=15'] Exploring Operation: 26+2=28, Resulting Numbers: [15, 28] Generated Node #3: [15, 28] from Operation: 26+2=28 Current State: 13:[15, 28], Operations: ['20-5=15', '26+2=28'] Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[20, 5, 26, 2], Operations: [] Exploring Operation: 5*2=10, Resulting Numbers: [20, 26, 10] Generated Node #0,0: 13:[20, 26, 10] Operation: 5*2=10 Exploring Operation: 26/2=13, Resulting Numbers: [20, 5, 13] Generated Node #0,1: 13:[20, 5, 13] Operation: 26/2=13 Exploring Operation: 20-5=15, Resulting Numbers: [26, 2, 15] Generated Node #0,2: 13:[26, 2, 15] Operation: 20-5=15 Exploring Operation: 20/2=10, Resulting Numbers: [5, 26, 10] Generated Node #0,3: 13:[5, 26, 10] Operation: 20/2=10 Moving to Node #0,1 Current State: 13:[20, 5, 13], Operations: ['26/2=13'] Exploring Operation: 20-5=15, Resulting Numbers: [13, 15] Generated Node #0,1,0: 13:[13, 15] Operation: 20-5=15 Exploring Operation: 20+5=25, Resulting Numbers: [13, 25] Generated Node #0,1,1: 13:[13, 25] Operation: 20+5=25 Exploring Operation: 20/5=4, Resulting Numbers: [13, 4] Generated Node #0,1,2: 13:[13, 4] Operation: 20/5=4 Exploring Operation: 5+13=18, Resulting Numbers: [20, 18] Generated Node #0,1,3: 13:[20, 18] Operation: 5+13=18 Moving to Node #0,0 Current State: 13:[20, 26, 10], Operations: ['5*2=10'] Exploring Operation: 26-20=6, Resulting Numbers: [10, 6] Generated Node #0,0,0: 13:[10, 6] Operation: 26-20=6 Exploring Operation: 20/10=2, Resulting Numbers: [26, 2] Generated Node #0,0,1: 13:[26, 2] Operation: 20/10=2 Exploring Operation: 26-10=16, Resulting Numbers: [20, 16] Generated Node #0,0,2: 13:[20, 16] Operation: 26-10=16 Exploring Operation: 20-10=10, Resulting Numbers: [26, 10] Generated Node #0,0,3: 13:[26, 10] Operation: 20-10=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[10, 6], Operations: ['5*2=10', '26-20=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[20, 16], Operations: ['5*2=10', '26-10=16'] Exploring Operation: 20*16=320, Resulting Numbers: [320] 320,13 unequal: No Solution Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 13:[26, 10], Operations: ['5*2=10', '20-10=10'] Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,13 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 13:[26, 2], Operations: ['5*2=10', '20/10=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,13 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[20, 5, 26, 2], Operations: [] Exploring Operation: 5*2=10, Resulting Numbers: [20, 26, 10] Generated Node #0,0: 13:[20, 26, 10] Operation: 5*2=10 Moving to Node #0,0 Current State: 13:[20, 26, 10], Operations: ['5*2=10'] Exploring Operation: 20/10=2, Resulting Numbers: [26, 2] Generated Node #0,0,1: 13:[26, 2] Operation: 20/10=2 Moving to Node #0,0,1 Current State: 13:[26, 2], Operations: ['5*2=10', '20/10=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 4, 93, 3, 13 ]
80
[ "4-3=1", "93-13=80", "1*80=80" ]
Current State: 80:[4, 93, 3, 13], Operations: [] Exploring Operation: 4-3=1, Resulting Numbers: [93, 13, 1] Generated Node #2: [93, 13, 1] from Operation: 4-3=1 Current State: 80:[93, 13, 1], Operations: ['4-3=1'] Exploring Operation: 93-13=80, Resulting Numbers: [1, 80] Generated Node #3: [1, 80] from Operation: 93-13=80 Current State: 80:[1, 80], Operations: ['4-3=1', '93-13=80'] Exploring Operation: 1*80=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[4, 93, 3, 13], Operations: [] Exploring Operation: 3+13=16, Resulting Numbers: [4, 93, 16] Generated Node #0,0: 80:[4, 93, 16] Operation: 3+13=16 Exploring Operation: 93-13=80, Resulting Numbers: [4, 3, 80] Generated Node #0,1: 80:[4, 3, 80] Operation: 93-13=80 Exploring Operation: 93-4=89, Resulting Numbers: [3, 13, 89] Generated Node #0,2: 80:[3, 13, 89] Operation: 93-4=89 Exploring Operation: 93/3=31, Resulting Numbers: [4, 13, 31] Generated Node #0,3: 80:[4, 13, 31] Operation: 93/3=31 Exploring Operation: 93-3=90, Resulting Numbers: [4, 13, 90] Generated Node #0,4: 80:[4, 13, 90] Operation: 93-3=90 Moving to Node #0,1 Current State: 80:[4, 3, 80], Operations: ['93-13=80'] Exploring Operation: 3+80=83, Resulting Numbers: [4, 83] Generated Node #0,1,0: 80:[4, 83] Operation: 3+80=83 Exploring Operation: 80/4=20, Resulting Numbers: [3, 20] Generated Node #0,1,1: 80:[3, 20] Operation: 80/4=20 Exploring Operation: 4+3=7, Resulting Numbers: [80, 7] Generated Node #0,1,2: 80:[80, 7] Operation: 4+3=7 Exploring Operation: 4-3=1, Resulting Numbers: [80, 1] Generated Node #0,1,3: 80:[80, 1] Operation: 4-3=1 Exploring Operation: 4*3=12, Resulting Numbers: [80, 12] Generated Node #0,1,4: 80:[80, 12] Operation: 4*3=12 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 80:[3, 20], Operations: ['93-13=80', '80/4=20'] Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,80 unequal: No Solution Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,80 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,80 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 #0,1,2 Current State: 80:[80, 7], Operations: ['93-13=80', '4+3=7'] Exploring Operation: 80*7=560, Resulting Numbers: [560] 560,80 unequal: No Solution Exploring Operation: 80-7=73, Resulting Numbers: [73] 73,80 unequal: No Solution Exploring Operation: 80+7=87, Resulting Numbers: [87] 87,80 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 #0,1,3 Current State: 80:[80, 1], Operations: ['93-13=80', '4-3=1'] Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[4, 93, 3, 13], Operations: [] Exploring Operation: 93-13=80, Resulting Numbers: [4, 3, 80] Generated Node #0,1: 80:[4, 3, 80] Operation: 93-13=80 Moving to Node #0,1 Current State: 80:[4, 3, 80], Operations: ['93-13=80'] Exploring Operation: 4-3=1, Resulting Numbers: [80, 1] Generated Node #0,1,3: 80:[80, 1] Operation: 4-3=1 Moving to Node #0,1,3 Current State: 80:[80, 1], Operations: ['93-13=80', '4-3=1'] Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 74, 14, 89, 43 ]
42
[ "74+14=88", "89-43=46", "88-46=42" ]
Current State: 42:[74, 14, 89, 43], Operations: [] Exploring Operation: 74+14=88, Resulting Numbers: [89, 43, 88] Generated Node #2: [89, 43, 88] from Operation: 74+14=88 Current State: 42:[89, 43, 88], Operations: ['74+14=88'] Exploring Operation: 89-43=46, Resulting Numbers: [88, 46] Generated Node #3: [88, 46] from Operation: 89-43=46 Current State: 42:[88, 46], Operations: ['74+14=88', '89-43=46'] Exploring Operation: 88-46=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[74, 14, 89, 43], Operations: [] Exploring Operation: 89-74=15, Resulting Numbers: [14, 43, 15] Generated Node #0,0: 42:[14, 43, 15] Operation: 89-74=15 Exploring Operation: 74-43=31, Resulting Numbers: [14, 89, 31] Generated Node #0,1: 42:[14, 89, 31] Operation: 74-43=31 Exploring Operation: 89-14=75, Resulting Numbers: [74, 43, 75] Generated Node #0,2: 42:[74, 43, 75] Operation: 89-14=75 Exploring Operation: 74-14=60, Resulting Numbers: [89, 43, 60] Generated Node #0,3: 42:[89, 43, 60] Operation: 74-14=60 Exploring Operation: 89-43=46, Resulting Numbers: [74, 14, 46] Generated Node #0,4: 42:[74, 14, 46] Operation: 89-43=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[14, 43, 15], Operations: ['89-74=15'] Exploring Operation: 14+15=29, Resulting Numbers: [43, 29] Generated Node #0,0,0: 42:[43, 29] Operation: 14+15=29 Exploring Operation: 14+43=57, Resulting Numbers: [15, 57] Generated Node #0,0,1: 42:[15, 57] Operation: 14+43=57 Exploring Operation: 43-15=28, Resulting Numbers: [14, 28] Generated Node #0,0,2: 42:[14, 28] Operation: 43-15=28 Exploring Operation: 15-14=1, Resulting Numbers: [43, 1] Generated Node #0,0,3: 42:[43, 1] Operation: 15-14=1 Exploring Operation: 43-14=29, Resulting Numbers: [15, 29] Generated Node #0,0,4: 42:[15, 29] Operation: 43-14=29 Moving to Node #0,0,3 Current State: 42:[43, 1], Operations: ['89-74=15', '15-14=1'] Exploring Operation: 43+1=44, Resulting Numbers: [44] 44,42 unequal: No Solution Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[74, 14, 89, 43], Operations: [] Exploring Operation: 89-74=15, Resulting Numbers: [14, 43, 15] Generated Node #0,0: 42:[14, 43, 15] Operation: 89-74=15 Moving to Node #0,0 Current State: 42:[14, 43, 15], Operations: ['89-74=15'] Exploring Operation: 15-14=1, Resulting Numbers: [43, 1] Generated Node #0,0,3: 42:[43, 1] Operation: 15-14=1 Moving to Node #0,0,3 Current State: 42:[43, 1], Operations: ['89-74=15', '15-14=1'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 32, 55, 12, 88 ]
88
[ "88-55=33", "32*33=1056", "1056/12=88" ]
Current State: 88:[32, 55, 12, 88], Operations: [] Exploring Operation: 88-55=33, Resulting Numbers: [32, 12, 33] Generated Node #2: [32, 12, 33] from Operation: 88-55=33 Current State: 88:[32, 12, 33], Operations: ['88-55=33'] Exploring Operation: 32*33=1056, Resulting Numbers: [12, 1056] Generated Node #3: [12, 1056] from Operation: 32*33=1056 Current State: 88:[12, 1056], Operations: ['88-55=33', '32*33=1056'] Exploring Operation: 1056/12=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[32, 55, 12, 88], Operations: [] Exploring Operation: 32+55=87, Resulting Numbers: [12, 88, 87] Generated Node #0,0: 88:[12, 88, 87] Operation: 32+55=87 Moving to Node #0,0 Current State: 88:[12, 88, 87], Operations: ['32+55=87'] Exploring Operation: 88-87=1, Resulting Numbers: [12, 1] Generated Node #0,0,0: 88:[12, 1] Operation: 88-87=1 Moving to Node #0,0,0 Current State: 88:[12, 1], Operations: ['32+55=87', '88-87=1'] Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,88 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 4, 25, 49, 96 ]
76
[ "4+25=29", "96-49=47", "29+47=76" ]
Current State: 76:[4, 25, 49, 96], Operations: [] Exploring Operation: 4+25=29, Resulting Numbers: [49, 96, 29] Generated Node #2: [49, 96, 29] from Operation: 4+25=29 Current State: 76:[49, 96, 29], Operations: ['4+25=29'] Exploring Operation: 96-49=47, Resulting Numbers: [29, 47] Generated Node #3: [29, 47] from Operation: 96-49=47 Current State: 76:[29, 47], Operations: ['4+25=29', '96-49=47'] Exploring Operation: 29+47=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[4, 25, 49, 96], Operations: [] Exploring Operation: 96-25=71, Resulting Numbers: [4, 49, 71] Generated Node #0,0: 76:[4, 49, 71] Operation: 96-25=71 Exploring Operation: 96/4=24, Resulting Numbers: [25, 49, 24] Generated Node #0,1: 76:[25, 49, 24] Operation: 96/4=24 Exploring Operation: 96-49=47, Resulting Numbers: [4, 25, 47] Generated Node #0,2: 76:[4, 25, 47] Operation: 96-49=47 Exploring Operation: 25+49=74, Resulting Numbers: [4, 96, 74] Generated Node #0,3: 76:[4, 96, 74] Operation: 25+49=74 Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[4, 25, 47], Operations: ['96-49=47'] Exploring Operation: 25+47=72, Resulting Numbers: [4, 72] Generated Node #0,2,0: 76:[4, 72] Operation: 25+47=72 Exploring Operation: 47-25=22, Resulting Numbers: [4, 22] Generated Node #0,2,1: 76:[4, 22] Operation: 47-25=22 Exploring Operation: 47-4=43, Resulting Numbers: [25, 43] Generated Node #0,2,2: 76:[25, 43] Operation: 47-4=43 Exploring Operation: 25-4=21, Resulting Numbers: [47, 21] Generated Node #0,2,3: 76:[47, 21] Operation: 25-4=21 Moving to Node #0,2,1 Current State: 76:[4, 22], Operations: ['96-49=47', '47-25=22'] Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,76 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[4, 72], Operations: ['96-49=47', '25+47=72'] Exploring Operation: 4+72=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[4, 25, 49, 96], Operations: [] Exploring Operation: 96-49=47, Resulting Numbers: [4, 25, 47] Generated Node #0,2: 76:[4, 25, 47] Operation: 96-49=47 Moving to Node #0,2 Current State: 76:[4, 25, 47], Operations: ['96-49=47'] Exploring Operation: 25+47=72, Resulting Numbers: [4, 72] Generated Node #0,2,0: 76:[4, 72] Operation: 25+47=72 Moving to Node #0,2,0 Current State: 76:[4, 72], Operations: ['96-49=47', '25+47=72'] Exploring Operation: 4+72=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 98, 8, 90, 92 ]
82
[ "92-90=2", "8*2=16", "98-16=82" ]
Current State: 82:[98, 8, 90, 92], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [98, 8, 2] Generated Node #2: [98, 8, 2] from Operation: 92-90=2 Current State: 82:[98, 8, 2], Operations: ['92-90=2'] Exploring Operation: 8*2=16, Resulting Numbers: [98, 16] Generated Node #3: [98, 16] from Operation: 8*2=16 Current State: 82:[98, 16], Operations: ['92-90=2', '8*2=16'] Exploring Operation: 98-16=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[98, 8, 90, 92], Operations: [] Exploring Operation: 98-90=8, Resulting Numbers: [8, 92, 8] Generated Node #0,0: 82:[8, 92, 8] Operation: 98-90=8 Exploring Operation: 98-8=90, Resulting Numbers: [90, 92, 90] Generated Node #0,1: 82:[90, 92, 90] Operation: 98-8=90 Exploring Operation: 92-90=2, Resulting Numbers: [98, 8, 2] Generated Node #0,2: 82:[98, 8, 2] Operation: 92-90=2 Exploring Operation: 98-92=6, Resulting Numbers: [8, 90, 6] Generated Node #0,3: 82:[8, 90, 6] Operation: 98-92=6 Exploring Operation: 90-8=82, Resulting Numbers: [98, 92, 82] Generated Node #0,4: 82:[98, 92, 82] Operation: 90-8=82 Start Sub Search at level 1: Moving to Node #0,3 Current State: 82:[8, 90, 6], Operations: ['98-92=6'] Exploring Operation: 90-8=82, Resulting Numbers: [6, 82] Generated Node #0,3,0: 82:[6, 82] Operation: 90-8=82 Exploring Operation: 90/6=15, Resulting Numbers: [8, 15] Generated Node #0,3,1: 82:[8, 15] Operation: 90/6=15 Exploring Operation: 90-6=84, Resulting Numbers: [8, 84] Generated Node #0,3,2: 82:[8, 84] Operation: 90-6=84 Exploring Operation: 8-6=2, Resulting Numbers: [90, 2] Generated Node #0,3,3: 82:[90, 2] Operation: 8-6=2 Exploring Operation: 8*6=48, Resulting Numbers: [90, 48] Generated Node #0,3,4: 82:[90, 48] Operation: 8*6=48 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 82:[6, 82], Operations: ['98-92=6', '90-8=82'] Exploring Operation: 6+82=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,82 unequal: No Solution Exploring Operation: 6*82=492, Resulting Numbers: [492] 492,82 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 #0,3,2 Current State: 82:[8, 84], Operations: ['98-92=6', '90-6=84'] Exploring Operation: 8+84=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,82 unequal: No Solution Exploring Operation: 8*84=672, Resulting Numbers: [672] 672,82 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 #0,3,3 Current State: 82:[90, 2], Operations: ['98-92=6', '8-6=2'] Exploring Operation: 90*2=180, Resulting Numbers: [180] 180,82 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,82 unequal: No Solution Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,82 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 #0,3,4 Current State: 82:[90, 48], Operations: ['98-92=6', '8*6=48'] Exploring Operation: 90+48=138, Resulting Numbers: [138] 138,82 unequal: No Solution Exploring Operation: 90-48=42, Resulting Numbers: [42] 42,82 unequal: No Solution Exploring Operation: 90*48=4320, Resulting Numbers: [4320] 4320,82 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 #0,3,1 Current State: 82:[8, 15], Operations: ['98-92=6', '90/6=15'] Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,82 unequal: No Solution Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,82 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,82 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 #0,0 Current State: 82:[8, 92, 8], Operations: ['98-90=8'] Exploring Operation: 8-8=0, Resulting Numbers: [92, 0] Generated Node #0,0,0: 82:[92, 0] Operation: 8-8=0 Exploring Operation: 92-8=84, Resulting Numbers: [8, 84] Generated Node #0,0,1: 82:[8, 84] Operation: 92-8=84 Exploring Operation: 92-8=84, Resulting Numbers: [8, 84] Generated Node #0,0,2: 82:[8, 84] Operation: 92-8=84 Exploring Operation: 8/8=1, Resulting Numbers: [92, 1] Generated Node #0,0,3: 82:[92, 1] Operation: 8/8=1 Exploring Operation: 8+92=100, Resulting Numbers: [8, 100] Generated Node #0,0,4: 82:[8, 100] Operation: 8+92=100 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[8, 84], Operations: ['98-90=8', '92-8=84'] Exploring Operation: 8+84=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 8*84=672, Resulting Numbers: [672] 672,82 unequal: No Solution Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,82 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:[8, 84], Operations: ['98-90=8', '92-8=84'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,82 unequal: No Solution Exploring Operation: 8*84=672, Resulting Numbers: [672] 672,82 unequal: No Solution Exploring Operation: 8+84=92, Resulting Numbers: [92] 92,82 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 #0,0,3 Current State: 82:[92, 1], Operations: ['98-90=8', '8/8=1'] Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,82 unequal: No Solution Exploring Operation: 92*1=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 92+1=93, Resulting Numbers: [93] 93,82 unequal: No Solution Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,82 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:[92, 0], Operations: ['98-90=8', '8-8=0'] Exploring Operation: 92-0=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 92*0=0, Resulting Numbers: [0] 0,82 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 #0,0,4 Current State: 82:[8, 100], Operations: ['98-90=8', '8+92=100'] Exploring Operation: 100-8=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 8*100=800, Resulting Numbers: [800] 800,82 unequal: No Solution Exploring Operation: 8+100=108, Resulting Numbers: [108] 108,82 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:[98, 8, 2], Operations: ['92-90=2'] Exploring Operation: 98/2=49, Resulting Numbers: [8, 49] Generated Node #0,2,0: 82:[8, 49] Operation: 98/2=49 Exploring Operation: 98-2=96, Resulting Numbers: [8, 96] Generated Node #0,2,1: 82:[8, 96] Operation: 98-2=96 Exploring Operation: 98-8=90, Resulting Numbers: [2, 90] Generated Node #0,2,2: 82:[2, 90] Operation: 98-8=90 Exploring Operation: 8/2=4, Resulting Numbers: [98, 4] Generated Node #0,2,3: 82:[98, 4] Operation: 8/2=4 Exploring Operation: 8-2=6, Resulting Numbers: [98, 6] Generated Node #0,2,4: 82:[98, 6] Operation: 8-2=6 Moving to Node #0,2,2 Current State: 82:[2, 90], Operations: ['92-90=2', '98-8=90'] Exploring Operation: 2*90=180, Resulting Numbers: [180] 180,82 unequal: No Solution Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,82 unequal: No Solution Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,82 unequal: No Solution Moving to Node #0,2,0 Current State: 82:[8, 49], Operations: ['92-90=2', '98/2=49'] Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,82 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,82 unequal: No Solution Exploring Operation: 8*49=392, Resulting Numbers: [392] 392,82 unequal: No Solution Moving to Node #0,2,3 Current State: 82:[98, 4], Operations: ['92-90=2', '8/2=4'] Exploring Operation: 98*4=392, Resulting Numbers: [392] 392,82 unequal: No Solution Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,82 unequal: No Solution Exploring Operation: 98+4=102, Resulting Numbers: [102] 102,82 unequal: No Solution Moving to Node #0,2,1 Current State: 82:[8, 96], Operations: ['92-90=2', '98-2=96'] Exploring Operation: 8*96=768, Resulting Numbers: [768] 768,82 unequal: No Solution Exploring Operation: 96/8=12, Resulting Numbers: [12] 12,82 unequal: No Solution Exploring Operation: 96-8=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 8+96=104, Resulting Numbers: [104] 104,82 unequal: No Solution Moving to Node #0,2,4 Current State: 82:[98, 6], Operations: ['92-90=2', '8-2=6'] Exploring Operation: 98+6=104, Resulting Numbers: [104] 104,82 unequal: No Solution Exploring Operation: 98*6=588, Resulting Numbers: [588] 588,82 unequal: No Solution Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[90, 92, 90], Operations: ['98-8=90'] Exploring Operation: 92-90=2, Resulting Numbers: [90, 2] Generated Node #0,1,0: 82:[90, 2] Operation: 92-90=2 Exploring Operation: 90/90=1, Resulting Numbers: [92, 1] Generated Node #0,1,1: 82:[92, 1] Operation: 90/90=1 Exploring Operation: 92-90=2, Resulting Numbers: [90, 2] Generated Node #0,1,2: 82:[90, 2] Operation: 92-90=2 Exploring Operation: 90+92=182, Resulting Numbers: [90, 182] Generated Node #0,1,3: 82:[90, 182] Operation: 90+92=182 Exploring Operation: 90-90=0, Resulting Numbers: [92, 0] Generated Node #0,1,4: 82:[92, 0] Operation: 90-90=0 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 82:[90, 2], Operations: ['98-8=90', '92-90=2'] Exploring Operation: 90*2=180, Resulting Numbers: [180] 180,82 unequal: No Solution Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,82 unequal: No Solution Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,82 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 #0,1,2 Current State: 82:[90, 2], Operations: ['98-8=90', '92-90=2'] Exploring Operation: 90*2=180, Resulting Numbers: [180] 180,82 unequal: No Solution Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,82 unequal: No Solution Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,82 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 #0,1,1 Current State: 82:[92, 1], Operations: ['98-8=90', '90/90=1'] Exploring Operation: 92*1=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,82 unequal: No Solution Exploring Operation: 92+1=93, Resulting Numbers: [93] 93,82 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 #0,1,4 Current State: 82:[92, 0], Operations: ['98-8=90', '90-90=0'] Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 92-0=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 92*0=0, Resulting Numbers: [0] 0,82 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 #0,1,3 Current State: 82:[90, 182], Operations: ['98-8=90', '90+92=182'] Exploring Operation: 90+182=272, Resulting Numbers: [272] 272,82 unequal: No Solution Exploring Operation: 182-90=92, Resulting Numbers: [92] 92,82 unequal: No Solution Exploring Operation: 90*182=16380, Resulting Numbers: [16380] 16380,82 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 #0,4 Current State: 82:[98, 92, 82], Operations: ['90-8=82'] Exploring Operation: 98-92=6, Resulting Numbers: [82, 6] Generated Node #0,4,0: 82:[82, 6] Operation: 98-92=6 Exploring Operation: 98-82=16, Resulting Numbers: [92, 16] Generated Node #0,4,1: 82:[92, 16] Operation: 98-82=16 Exploring Operation: 98+82=180, Resulting Numbers: [92, 180] Generated Node #0,4,2: 82:[92, 180] Operation: 98+82=180 Exploring Operation: 92-82=10, Resulting Numbers: [98, 10] Generated Node #0,4,3: 82:[98, 10] Operation: 92-82=10 Exploring Operation: 98+92=190, Resulting Numbers: [82, 190] Generated Node #0,4,4: 82:[82, 190] Operation: 98+92=190 Moving to Node #0,4,0 Current State: 82:[82, 6], Operations: ['90-8=82', '98-92=6'] Exploring Operation: 82*6=492, Resulting Numbers: [492] 492,82 unequal: No Solution Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,82 unequal: No Solution Moving to Node #0,4,3 Current State: 82:[98, 10], Operations: ['90-8=82', '92-82=10'] Exploring Operation: 98*10=980, Resulting Numbers: [980] 980,82 unequal: No Solution Exploring Operation: 98-10=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 98+10=108, Resulting Numbers: [108] 108,82 unequal: No Solution Moving to Node #0,4,1 Current State: 82:[92, 16], Operations: ['90-8=82', '98-82=16'] Exploring Operation: 92-16=76, Resulting Numbers: [76] 76,82 unequal: No Solution Exploring Operation: 92*16=1472, Resulting Numbers: [1472] 1472,82 unequal: No Solution Exploring Operation: 92+16=108, Resulting Numbers: [108] 108,82 unequal: No Solution Moving to Node #0,4,2 Current State: 82:[92, 180], Operations: ['90-8=82', '98+82=180'] Exploring Operation: 92+180=272, Resulting Numbers: [272] 272,82 unequal: No Solution Exploring Operation: 180-92=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 92*180=16560, Resulting Numbers: [16560] 16560,82 unequal: No Solution Moving to Node #0,4,4 Current State: 82:[82, 190], Operations: ['90-8=82', '98+92=190'] Exploring Operation: 82*190=15580, Resulting Numbers: [15580] 15580,82 unequal: No Solution Exploring Operation: 190-82=108, Resulting Numbers: [108] 108,82 unequal: No Solution Exploring Operation: 82+190=272, Resulting Numbers: [272] 272,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 33, 78, 85, 96 ]
64
[ "85-33=52", "96*52=4992", "4992/78=64" ]
Current State: 64:[33, 78, 85, 96], Operations: [] Exploring Operation: 85-33=52, Resulting Numbers: [78, 96, 52] Generated Node #2: [78, 96, 52] from Operation: 85-33=52 Current State: 64:[78, 96, 52], Operations: ['85-33=52'] Exploring Operation: 96*52=4992, Resulting Numbers: [78, 4992] Generated Node #3: [78, 4992] from Operation: 96*52=4992 Current State: 64:[78, 4992], Operations: ['85-33=52', '96*52=4992'] Exploring Operation: 4992/78=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[33, 78, 85, 96], Operations: [] Exploring Operation: 96-85=11, Resulting Numbers: [33, 78, 11] Generated Node #0,0: 64:[33, 78, 11] Operation: 96-85=11 Moving to Node #0,0 Current State: 64:[33, 78, 11], Operations: ['96-85=11'] Exploring Operation: 78-11=67, Resulting Numbers: [33, 67] Generated Node #0,0,0: 64:[33, 67] Operation: 78-11=67 Moving to Node #0,0,0 Current State: 64:[33, 67], Operations: ['96-85=11', '78-11=67'] Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,64 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 74, 38, 98, 19 ]
81
[ "74-38=36", "98+19=117", "117-36=81" ]
Current State: 81:[74, 38, 98, 19], Operations: [] Exploring Operation: 74-38=36, Resulting Numbers: [98, 19, 36] Generated Node #2: [98, 19, 36] from Operation: 74-38=36 Current State: 81:[98, 19, 36], Operations: ['74-38=36'] Exploring Operation: 98+19=117, Resulting Numbers: [36, 117] Generated Node #3: [36, 117] from Operation: 98+19=117 Current State: 81:[36, 117], Operations: ['74-38=36', '98+19=117'] Exploring Operation: 117-36=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[74, 38, 98, 19], Operations: [] Exploring Operation: 98-19=79, Resulting Numbers: [74, 38, 79] Generated Node #0,0: 81:[74, 38, 79] Operation: 98-19=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[74, 38, 79], Operations: ['98-19=79'] Exploring Operation: 74-38=36, Resulting Numbers: [79, 36] Generated Node #0,0,0: 81:[79, 36] Operation: 74-38=36 Moving to Node #0,0,0 Current State: 81:[79, 36], Operations: ['98-19=79', '74-38=36'] Exploring Operation: 79-36=43, Resulting Numbers: [43] 43,81 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
[ 79, 33, 11, 25 ]
60
[ "79-33=46", "25-11=14", "46+14=60" ]
Current State: 60:[79, 33, 11, 25], Operations: [] Exploring Operation: 79-33=46, Resulting Numbers: [11, 25, 46] Generated Node #2: [11, 25, 46] from Operation: 79-33=46 Current State: 60:[11, 25, 46], Operations: ['79-33=46'] Exploring Operation: 25-11=14, Resulting Numbers: [46, 14] Generated Node #3: [46, 14] from Operation: 25-11=14 Current State: 60:[46, 14], Operations: ['79-33=46', '25-11=14'] Exploring Operation: 46+14=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[79, 33, 11, 25], Operations: [] Exploring Operation: 79-11=68, Resulting Numbers: [33, 25, 68] Generated Node #0,0: 60:[33, 25, 68] Operation: 79-11=68 Exploring Operation: 79-25=54, Resulting Numbers: [33, 11, 54] Generated Node #0,1: 60:[33, 11, 54] Operation: 79-25=54 Exploring Operation: 79-33=46, Resulting Numbers: [11, 25, 46] Generated Node #0,2: 60:[11, 25, 46] Operation: 79-33=46 Moving to Node #0,1 Current State: 60:[33, 11, 54], Operations: ['79-25=54'] Exploring Operation: 33/11=3, Resulting Numbers: [54, 3] Generated Node #0,1,0: 60:[54, 3] Operation: 33/11=3 Exploring Operation: 33-11=22, Resulting Numbers: [54, 22] Generated Node #0,1,1: 60:[54, 22] Operation: 33-11=22 Exploring Operation: 54-33=21, Resulting Numbers: [11, 21] Generated Node #0,1,2: 60:[11, 21] Operation: 54-33=21 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 60:[11, 21], Operations: ['79-25=54', '54-33=21'] Exploring Operation: 11*21=231, Resulting Numbers: [231] 231,60 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 11+21=32, Resulting Numbers: [32] 32,60 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 #0,1,0 Current State: 60:[54, 3], Operations: ['79-25=54', '33/11=3'] Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,60 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,60 unequal: No Solution Exploring Operation: 54/3=18, Resulting Numbers: [18] 18,60 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 #0,1,1 Current State: 60:[54, 22], Operations: ['79-25=54', '33-11=22'] Exploring Operation: 54+22=76, Resulting Numbers: [76] 76,60 unequal: No Solution Exploring Operation: 54*22=1188, Resulting Numbers: [1188] 1188,60 unequal: No Solution Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,60 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: 60:[33, 25, 68], Operations: ['79-11=68'] Exploring Operation: 68-33=35, Resulting Numbers: [25, 35] Generated Node #0,0,0: 60:[25, 35] Operation: 68-33=35 Exploring Operation: 33+25=58, Resulting Numbers: [68, 58] Generated Node #0,0,1: 60:[68, 58] Operation: 33+25=58 Exploring Operation: 33-25=8, Resulting Numbers: [68, 8] Generated Node #0,0,2: 60:[68, 8] Operation: 33-25=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[25, 35], Operations: ['79-11=68', '68-33=35'] Exploring Operation: 25+35=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[79, 33, 11, 25], Operations: [] Exploring Operation: 79-11=68, Resulting Numbers: [33, 25, 68] Generated Node #0,0: 60:[33, 25, 68] Operation: 79-11=68 Moving to Node #0,0 Current State: 60:[33, 25, 68], Operations: ['79-11=68'] Exploring Operation: 68-33=35, Resulting Numbers: [25, 35] Generated Node #0,0,0: 60:[25, 35] Operation: 68-33=35 Moving to Node #0,0,0 Current State: 60:[25, 35], Operations: ['79-11=68', '68-33=35'] Exploring Operation: 25+35=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 9, 43, 7, 88 ]
18
[ "9*7=63", "88-43=45", "63-45=18" ]
Current State: 18:[9, 43, 7, 88], Operations: [] Exploring Operation: 9*7=63, Resulting Numbers: [43, 88, 63] Generated Node #2: [43, 88, 63] from Operation: 9*7=63 Current State: 18:[43, 88, 63], Operations: ['9*7=63'] Exploring Operation: 88-43=45, Resulting Numbers: [63, 45] Generated Node #3: [63, 45] from Operation: 88-43=45 Current State: 18:[63, 45], Operations: ['9*7=63', '88-43=45'] Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[9, 43, 7, 88], Operations: [] Exploring Operation: 88-43=45, Resulting Numbers: [9, 7, 45] Generated Node #0,0: 18:[9, 7, 45] Operation: 88-43=45 Moving to Node #0,0 Current State: 18:[9, 7, 45], Operations: ['88-43=45'] Exploring Operation: 45/9=5, Resulting Numbers: [7, 5] Generated Node #0,0,0: 18:[7, 5] Operation: 45/9=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[7, 5], Operations: ['88-43=45', '45/9=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,18 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
[ 3, 1, 4, 33 ]
49
[ "3+1=4", "4*4=16", "33+16=49" ]
Current State: 49:[3, 1, 4, 33], Operations: [] Exploring Operation: 3+1=4, Resulting Numbers: [4, 33, 4] Generated Node #2: [4, 33, 4] from Operation: 3+1=4 Current State: 49:[4, 33, 4], Operations: ['3+1=4'] Exploring Operation: 4*4=16, Resulting Numbers: [33, 16] Generated Node #3: [33, 16] from Operation: 4*4=16 Current State: 49:[33, 16], Operations: ['3+1=4', '4*4=16'] Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[3, 1, 4, 33], Operations: [] Exploring Operation: 3+33=36, Resulting Numbers: [1, 4, 36] Generated Node #0,0: 49:[1, 4, 36] Operation: 3+33=36 Exploring Operation: 3+4=7, Resulting Numbers: [1, 33, 7] Generated Node #0,1: 49:[1, 33, 7] Operation: 3+4=7 Exploring Operation: 33/3=11, Resulting Numbers: [1, 4, 11] Generated Node #0,2: 49:[1, 4, 11] Operation: 33/3=11 Exploring Operation: 3+1=4, Resulting Numbers: [4, 33, 4] Generated Node #0,3: 49:[4, 33, 4] Operation: 3+1=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[1, 4, 11], Operations: ['33/3=11'] Exploring Operation: 1+4=5, Resulting Numbers: [11, 5] Generated Node #0,2,0: 49:[11, 5] Operation: 1+4=5 Exploring Operation: 11-4=7, Resulting Numbers: [1, 7] Generated Node #0,2,1: 49:[1, 7] Operation: 11-4=7 Exploring Operation: 11-1=10, Resulting Numbers: [4, 10] Generated Node #0,2,2: 49:[4, 10] Operation: 11-1=10 Exploring Operation: 1*4=4, Resulting Numbers: [11, 4] Generated Node #0,2,3: 49:[11, 4] Operation: 1*4=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 49:[11, 5], Operations: ['33/3=11', '1+4=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,49 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 49:[1, 7], Operations: ['33/3=11', '11-4=7'] Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 1*7=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 1+7=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 49:[4, 10], Operations: ['33/3=11', '11-1=10'] Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,49 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 49:[11, 4], Operations: ['33/3=11', '1*4=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,49 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[1, 4, 36], Operations: ['3+33=36'] Exploring Operation: 36/4=9, Resulting Numbers: [1, 9] Generated Node #0,0,0: 49:[1, 9] Operation: 36/4=9 Exploring Operation: 4+36=40, Resulting Numbers: [1, 40] Generated Node #0,0,1: 49:[1, 40] Operation: 4+36=40 Exploring Operation: 1+4=5, Resulting Numbers: [36, 5] Generated Node #0,0,2: 49:[36, 5] Operation: 1+4=5 Exploring Operation: 1+36=37, Resulting Numbers: [4, 37] Generated Node #0,0,3: 49:[4, 37] Operation: 1+36=37 Moving to Node #0,0,0 Current State: 49:[1, 9], Operations: ['3+33=36', '36/4=9'] Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,49 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[36, 5], Operations: ['3+33=36', '1+4=5'] Exploring Operation: 36*5=180, Resulting Numbers: [180] 180,49 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,49 unequal: No Solution Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[1, 40], Operations: ['3+33=36', '4+36=40'] Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,49 unequal: No Solution Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,49 unequal: No Solution Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,49 unequal: No Solution Moving to Node #0,0,3 Current State: 49:[4, 37], Operations: ['3+33=36', '1+36=37'] Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[1, 33, 7], Operations: ['3+4=7'] Exploring Operation: 1+33=34, Resulting Numbers: [7, 34] Generated Node #0,1,0: 49:[7, 34] Operation: 1+33=34 Exploring Operation: 1*33=33, Resulting Numbers: [7, 33] Generated Node #0,1,1: 49:[7, 33] Operation: 1*33=33 Exploring Operation: 33/1=33, Resulting Numbers: [7, 33] Generated Node #0,1,2: 49:[7, 33] Operation: 33/1=33 Exploring Operation: 33+7=40, Resulting Numbers: [1, 40] Generated Node #0,1,3: 49:[1, 40] Operation: 33+7=40 Moving to Node #0,1,0 Current State: 49:[7, 34], Operations: ['3+4=7', '1+33=34'] Exploring Operation: 7*34=238, Resulting Numbers: [238] 238,49 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 7+34=41, Resulting Numbers: [41] 41,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[1, 40], Operations: ['3+4=7', '33+7=40'] Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,49 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[7, 33], Operations: ['3+4=7', '33/1=33'] Exploring Operation: 7*33=231, Resulting Numbers: [231] 231,49 unequal: No Solution Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,49 unequal: No Solution Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[7, 33], Operations: ['3+4=7', '1*33=33'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,49 unequal: No Solution Exploring Operation: 7*33=231, Resulting Numbers: [231] 231,49 unequal: No Solution Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,49 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 #0,3 Current State: 49:[4, 33, 4], Operations: ['3+1=4'] Exploring Operation: 4+33=37, Resulting Numbers: [4, 37] Generated Node #0,3,0: 49:[4, 37] Operation: 4+33=37 Exploring Operation: 4/4=1, Resulting Numbers: [33, 1] Generated Node #0,3,1: 49:[33, 1] Operation: 4/4=1 Exploring Operation: 33+4=37, Resulting Numbers: [4, 37] Generated Node #0,3,2: 49:[4, 37] Operation: 33+4=37 Exploring Operation: 4+4=8, Resulting Numbers: [33, 8] Generated Node #0,3,3: 49:[33, 8] Operation: 4+4=8 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 49:[4, 37], Operations: ['3+1=4', '4+33=37'] Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,49 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 49:[4, 37], Operations: ['3+1=4', '33+4=37'] Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,49 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 49:[33, 8], Operations: ['3+1=4', '4+4=8'] Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,49 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 49:[33, 1], Operations: ['3+1=4', '4/4=1'] Exploring Operation: 33+1=34, Resulting Numbers: [34] 34,49 unequal: No Solution Exploring Operation: 33/1=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,49 unequal: No Solution Exploring Operation: 33*1=33, Resulting Numbers: [33] 33,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 4, 64, 4, 61 ]
77
[ "4*61=244", "64+244=308", "308/4=77" ]
Current State: 77:[4, 64, 4, 61], Operations: [] Exploring Operation: 4*61=244, Resulting Numbers: [64, 244] Generated Node #2: [64, 244] from Operation: 4*61=244 Current State: 77:[64, 244], Operations: ['4*61=244'] Exploring Operation: 64+244=308, Resulting Numbers: [308] 308,77 equal: Goal Reached Exploring Operation: 308/4=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[4, 64, 4, 61], Operations: [] Exploring Operation: 64/4=16, Resulting Numbers: [4, 61, 16] Generated Node #0,0: 77:[4, 61, 16] Operation: 64/4=16 Exploring Operation: 64-61=3, Resulting Numbers: [4, 4, 3] Generated Node #0,1: 77:[4, 4, 3] Operation: 64-61=3 Moving to Node #0,1 Current State: 77:[4, 4, 3], Operations: ['64-61=3'] Exploring Operation: 4+3=7, Resulting Numbers: [4, 7] Generated Node #0,1,0: 77:[4, 7] Operation: 4+3=7 Exploring Operation: 4+3=7, Resulting Numbers: [4, 7] Generated Node #0,1,1: 77:[4, 7] Operation: 4+3=7 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[4, 7], Operations: ['64-61=3', '4+3=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,77 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,77 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:[4, 7], Operations: ['64-61=3', '4+3=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,77 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,77 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: 77:[4, 61, 16], Operations: ['64/4=16'] Exploring Operation: 61+16=77, Resulting Numbers: [4, 77] Generated Node #0,0,0: 77:[4, 77] Operation: 61+16=77 Exploring Operation: 4+61=65, Resulting Numbers: [16, 65] Generated Node #0,0,1: 77:[16, 65] Operation: 4+61=65 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[4, 77], Operations: ['64/4=16', '61+16=77'] Exploring Operation: 4+77=81, Resulting Numbers: [81] 81,77 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,77 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 #0,0,1 Current State: 77:[16, 65], Operations: ['64/4=16', '4+61=65'] Exploring Operation: 16+65=81, Resulting Numbers: [81] 81,77 unequal: No Solution Exploring Operation: 65-16=49, Resulting Numbers: [49] 49,77 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
[ 49, 15, 7, 90 ]
13
[ "49/7=7", "90/15=6", "7+6=13" ]
Current State: 13:[49, 15, 7, 90], Operations: [] Exploring Operation: 49/7=7, Resulting Numbers: [15, 90, 7] Generated Node #2: [15, 90, 7] from Operation: 49/7=7 Current State: 13:[15, 90, 7], Operations: ['49/7=7'] Exploring Operation: 90/15=6, Resulting Numbers: [7, 6] Generated Node #3: [7, 6] from Operation: 90/15=6 Current State: 13:[7, 6], Operations: ['49/7=7', '90/15=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[49, 15, 7, 90], Operations: [] Exploring Operation: 90-49=41, Resulting Numbers: [15, 7, 41] Generated Node #0,0: 13:[15, 7, 41] Operation: 90-49=41 Exploring Operation: 49-15=34, Resulting Numbers: [7, 90, 34] Generated Node #0,1: 13:[7, 90, 34] Operation: 49-15=34 Exploring Operation: 90/15=6, Resulting Numbers: [49, 7, 6] Generated Node #0,2: 13:[49, 7, 6] Operation: 90/15=6 Exploring Operation: 49/7=7, Resulting Numbers: [15, 90, 7] Generated Node #0,3: 13:[15, 90, 7] Operation: 49/7=7 Moving to Node #0,0 Current State: 13:[15, 7, 41], Operations: ['90-49=41'] Exploring Operation: 15+7=22, Resulting Numbers: [41, 22] Generated Node #0,0,0: 13:[41, 22] Operation: 15+7=22 Exploring Operation: 41-15=26, Resulting Numbers: [7, 26] Generated Node #0,0,1: 13:[7, 26] Operation: 41-15=26 Exploring Operation: 41-7=34, Resulting Numbers: [15, 34] Generated Node #0,0,2: 13:[15, 34] Operation: 41-7=34 Exploring Operation: 15-7=8, Resulting Numbers: [41, 8] Generated Node #0,0,3: 13:[41, 8] Operation: 15-7=8 Moving to Node #0,2 Current State: 13:[49, 7, 6], Operations: ['90/15=6'] Exploring Operation: 49-6=43, Resulting Numbers: [7, 43] Generated Node #0,2,0: 13:[7, 43] Operation: 49-6=43 Exploring Operation: 49/7=7, Resulting Numbers: [6, 7] Generated Node #0,2,1: 13:[6, 7] Operation: 49/7=7 Exploring Operation: 49-7=42, Resulting Numbers: [6, 42] Generated Node #0,2,2: 13:[6, 42] Operation: 49-7=42 Exploring Operation: 7+6=13, Resulting Numbers: [49, 13] Generated Node #0,2,3: 13:[49, 13] Operation: 7+6=13 Moving to Node #0,3 Current State: 13:[15, 90, 7], Operations: ['49/7=7'] Exploring Operation: 90-7=83, Resulting Numbers: [15, 83] Generated Node #0,3,0: 13:[15, 83] Operation: 90-7=83 Exploring Operation: 90/15=6, Resulting Numbers: [7, 6] Generated Node #0,3,1: 13:[7, 6] Operation: 90/15=6 Exploring Operation: 15-7=8, Resulting Numbers: [90, 8] Generated Node #0,3,2: 13:[90, 8] Operation: 15-7=8 Exploring Operation: 90-15=75, Resulting Numbers: [7, 75] Generated Node #0,3,3: 13:[7, 75] Operation: 90-15=75 Moving to Node #0,1 Current State: 13:[7, 90, 34], Operations: ['49-15=34'] Exploring Operation: 90-34=56, Resulting Numbers: [7, 56] Generated Node #0,1,0: 13:[7, 56] Operation: 90-34=56 Exploring Operation: 34-7=27, Resulting Numbers: [90, 27] Generated Node #0,1,1: 13:[90, 27] Operation: 34-7=27 Exploring Operation: 7+90=97, Resulting Numbers: [34, 97] Generated Node #0,1,2: 13:[34, 97] Operation: 7+90=97 Exploring Operation: 90-7=83, Resulting Numbers: [34, 83] Generated Node #0,1,3: 13:[34, 83] Operation: 90-7=83 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[7, 56], Operations: ['49-15=34', '90-34=56'] Exploring Operation: 7+56=63, Resulting Numbers: [63] 63,13 unequal: No Solution Exploring Operation: 7*56=392, Resulting Numbers: [392] 392,13 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,13 unequal: No Solution Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[90, 27], Operations: ['49-15=34', '34-7=27'] Exploring Operation: 90-27=63, Resulting Numbers: [63] 63,13 unequal: No Solution Exploring Operation: 90*27=2430, Resulting Numbers: [2430] 2430,13 unequal: No Solution Exploring Operation: 90+27=117, Resulting Numbers: [117] 117,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 13:[34, 83], Operations: ['49-15=34', '90-7=83'] Exploring Operation: 34+83=117, Resulting Numbers: [117] 117,13 unequal: No Solution Exploring Operation: 83-34=49, Resulting Numbers: [49] 49,13 unequal: No Solution Exploring Operation: 34*83=2822, Resulting Numbers: [2822] 2822,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[34, 97], Operations: ['49-15=34', '7+90=97'] Exploring Operation: 34*97=3298, Resulting Numbers: [3298] 3298,13 unequal: No Solution Exploring Operation: 97-34=63, Resulting Numbers: [63] 63,13 unequal: No Solution Exploring Operation: 34+97=131, Resulting Numbers: [131] 131,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 13:[6, 7], Operations: ['90/15=6', '49/7=7'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,13 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,13 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[49, 15, 7, 90], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [49, 7, 6] Generated Node #0,2: 13:[49, 7, 6] Operation: 90/15=6 Moving to Node #0,2 Current State: 13:[49, 7, 6], Operations: ['90/15=6'] Exploring Operation: 49/7=7, Resulting Numbers: [6, 7] Generated Node #0,2,1: 13:[6, 7] Operation: 49/7=7 Moving to Node #0,2,1 Current State: 13:[6, 7], Operations: ['90/15=6', '49/7=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
0.965278
hs_4
mult_heuristic
[ 50, 25, 7, 6 ]
58
[ "25-7=18", "6*18=108", "108-50=58" ]
Current State: 58:[50, 25, 7, 6], Operations: [] Exploring Operation: 25-7=18, Resulting Numbers: [50, 6, 18] Generated Node #2: [50, 6, 18] from Operation: 25-7=18 Current State: 58:[50, 6, 18], Operations: ['25-7=18'] Exploring Operation: 6*18=108, Resulting Numbers: [50, 108] Generated Node #3: [50, 108] from Operation: 6*18=108 Current State: 58:[50, 108], Operations: ['25-7=18', '6*18=108'] Exploring Operation: 108-50=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[50, 25, 7, 6], Operations: [] Exploring Operation: 50/25=2, Resulting Numbers: [7, 6, 2] Generated Node #0,0: 58:[7, 6, 2] Operation: 50/25=2 Exploring Operation: 7-6=1, Resulting Numbers: [50, 25, 1] Generated Node #0,1: 58:[50, 25, 1] Operation: 7-6=1 Exploring Operation: 50-25=25, Resulting Numbers: [7, 6, 25] Generated Node #0,2: 58:[7, 6, 25] Operation: 50-25=25 Exploring Operation: 50+7=57, Resulting Numbers: [25, 6, 57] Generated Node #0,3: 58:[25, 6, 57] Operation: 50+7=57 Exploring Operation: 50+6=56, Resulting Numbers: [25, 7, 56] Generated Node #0,4: 58:[25, 7, 56] Operation: 50+6=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[7, 6, 2], Operations: ['50/25=2'] Exploring Operation: 6/2=3, Resulting Numbers: [7, 3] Generated Node #0,0,0: 58:[7, 3] Operation: 6/2=3 Exploring Operation: 7-2=5, Resulting Numbers: [6, 5] Generated Node #0,0,1: 58:[6, 5] Operation: 7-2=5 Exploring Operation: 6-2=4, Resulting Numbers: [7, 4] Generated Node #0,0,2: 58:[7, 4] Operation: 6-2=4 Exploring Operation: 7-6=1, Resulting Numbers: [2, 1] Generated Node #0,0,3: 58:[2, 1] Operation: 7-6=1 Exploring Operation: 7+6=13, Resulting Numbers: [2, 13] Generated Node #0,0,4: 58:[2, 13] Operation: 7+6=13 Moving to Node #0,0,3 Current State: 58:[2, 1], Operations: ['50/25=2', '7-6=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[7, 3], Operations: ['50/25=2', '6/2=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,58 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,58 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[6, 5], Operations: ['50/25=2', '7-2=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,58 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[7, 4], Operations: ['50/25=2', '6-2=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,58 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,58 unequal: No Solution Moving to Node #0,0,4 Current State: 58:[2, 13], Operations: ['50/25=2', '7+6=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,58 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[25, 6, 57], Operations: ['50+7=57'] Exploring Operation: 6+57=63, Resulting Numbers: [25, 63] Generated Node #0,3,0: 58:[25, 63] Operation: 6+57=63 Exploring Operation: 25-6=19, Resulting Numbers: [57, 19] Generated Node #0,3,1: 58:[57, 19] Operation: 25-6=19 Exploring Operation: 57-6=51, Resulting Numbers: [25, 51] Generated Node #0,3,2: 58:[25, 51] Operation: 57-6=51 Exploring Operation: 57-25=32, Resulting Numbers: [6, 32] Generated Node #0,3,3: 58:[6, 32] Operation: 57-25=32 Exploring Operation: 25+6=31, Resulting Numbers: [57, 31] Generated Node #0,3,4: 58:[57, 31] Operation: 25+6=31 Moving to Node #0,3,4 Current State: 58:[57, 31], Operations: ['50+7=57', '25+6=31'] Exploring Operation: 57+31=88, Resulting Numbers: [88] 88,58 unequal: No Solution Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 57*31=1767, Resulting Numbers: [1767] 1767,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[6, 32], Operations: ['50+7=57', '57-25=32'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,58 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,58 unequal: No Solution Moving to Node #0,3,0 Current State: 58:[25, 63], Operations: ['50+7=57', '6+57=63'] Exploring Operation: 25+63=88, Resulting Numbers: [88] 88,58 unequal: No Solution Exploring Operation: 25*63=1575, Resulting Numbers: [1575] 1575,58 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[57, 19], Operations: ['50+7=57', '25-6=19'] Exploring Operation: 57*19=1083, Resulting Numbers: [1083] 1083,58 unequal: No Solution Exploring Operation: 57+19=76, Resulting Numbers: [76] 76,58 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,58 unequal: No Solution Moving to Node #0,3,2 Current State: 58:[25, 51], Operations: ['50+7=57', '57-6=51'] Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 25*51=1275, Resulting Numbers: [1275] 1275,58 unequal: No Solution Exploring Operation: 25+51=76, Resulting Numbers: [76] 76,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 58:[25, 7, 56], Operations: ['50+6=56'] Exploring Operation: 56-25=31, Resulting Numbers: [7, 31] Generated Node #0,4,0: 58:[7, 31] Operation: 56-25=31 Exploring Operation: 56/7=8, Resulting Numbers: [25, 8] Generated Node #0,4,1: 58:[25, 8] Operation: 56/7=8 Exploring Operation: 7+56=63, Resulting Numbers: [25, 63] Generated Node #0,4,2: 58:[25, 63] Operation: 7+56=63 Exploring Operation: 25-7=18, Resulting Numbers: [56, 18] Generated Node #0,4,3: 58:[56, 18] Operation: 25-7=18 Exploring Operation: 25+7=32, Resulting Numbers: [56, 32] Generated Node #0,4,4: 58:[56, 32] Operation: 25+7=32 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 58:[56, 32], Operations: ['50+6=56', '25+7=32'] Exploring Operation: 56-32=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 56+32=88, Resulting Numbers: [88] 88,58 unequal: No Solution Exploring Operation: 56*32=1792, Resulting Numbers: [1792] 1792,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 58:[7, 31], Operations: ['50+6=56', '56-25=31'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 58:[25, 63], Operations: ['50+6=56', '7+56=63'] Exploring Operation: 25+63=88, Resulting Numbers: [88] 88,58 unequal: No Solution Exploring Operation: 25*63=1575, Resulting Numbers: [1575] 1575,58 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 58:[25, 8], Operations: ['50+6=56', '56/7=8'] Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,58 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,58 unequal: No Solution Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 58:[56, 18], Operations: ['50+6=56', '25-7=18'] Exploring Operation: 56-18=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 56*18=1008, Resulting Numbers: [1008] 1008,58 unequal: No Solution Exploring Operation: 56+18=74, Resulting Numbers: [74] 74,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[50, 25, 1], Operations: ['7-6=1'] Exploring Operation: 25+1=26, Resulting Numbers: [50, 26] Generated Node #0,1,0: 58:[50, 26] Operation: 25+1=26 Exploring Operation: 50-25=25, Resulting Numbers: [1, 25] Generated Node #0,1,1: 58:[1, 25] Operation: 50-25=25 Exploring Operation: 50+1=51, Resulting Numbers: [25, 51] Generated Node #0,1,2: 58:[25, 51] Operation: 50+1=51 Exploring Operation: 50*1=50, Resulting Numbers: [25, 50] Generated Node #0,1,3: 58:[25, 50] Operation: 50*1=50 Exploring Operation: 50/25=2, Resulting Numbers: [1, 2] Generated Node #0,1,4: 58:[1, 2] Operation: 50/25=2 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 58:[1, 2], Operations: ['7-6=1', '50/25=2'] Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,58 unequal: No Solution Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[1, 25], Operations: ['7-6=1', '50-25=25'] Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 1+25=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 1*25=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 58:[50, 26], Operations: ['7-6=1', '25+1=26'] Exploring Operation: 50+26=76, Resulting Numbers: [76] 76,58 unequal: No Solution Exploring Operation: 50-26=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 50*26=1300, Resulting Numbers: [1300] 1300,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 58:[25, 51], Operations: ['7-6=1', '50+1=51'] Exploring Operation: 25*51=1275, Resulting Numbers: [1275] 1275,58 unequal: No Solution Exploring Operation: 25+51=76, Resulting Numbers: [76] 76,58 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 58:[25, 50], Operations: ['7-6=1', '50*1=50'] Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 25+50=75, Resulting Numbers: [75] 75,58 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 25*50=1250, Resulting Numbers: [1250] 1250,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[7, 6, 25], Operations: ['50-25=25'] Exploring Operation: 7+6=13, Resulting Numbers: [25, 13] Generated Node #0,2,0: 58:[25, 13] Operation: 7+6=13 Exploring Operation: 7+25=32, Resulting Numbers: [6, 32] Generated Node #0,2,1: 58:[6, 32] Operation: 7+25=32 Exploring Operation: 25-7=18, Resulting Numbers: [6, 18] Generated Node #0,2,2: 58:[6, 18] Operation: 25-7=18 Exploring Operation: 6+25=31, Resulting Numbers: [7, 31] Generated Node #0,2,3: 58:[7, 31] Operation: 6+25=31 Exploring Operation: 7-6=1, Resulting Numbers: [25, 1] Generated Node #0,2,4: 58:[25, 1] Operation: 7-6=1 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 58:[25, 1], Operations: ['50-25=25', '7-6=1'] Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 58:[6, 32], Operations: ['50-25=25', '7+25=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,58 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 58:[7, 31], Operations: ['50-25=25', '6+25=31'] Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 58:[25, 13], Operations: ['50-25=25', '7+6=13'] Exploring Operation: 25+13=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 25*13=325, Resulting Numbers: [325] 325,58 unequal: No Solution Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 58:[6, 18], Operations: ['50-25=25', '25-7=18'] Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,58 unequal: No Solution Exploring Operation: 6*18=108, Resulting Numbers: [108] 108,58 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 10, 37, 23, 55 ]
31
[ "10+37=47", "23+55=78", "78-47=31" ]
Current State: 31:[10, 37, 23, 55], Operations: [] Exploring Operation: 10+37=47, Resulting Numbers: [23, 55, 47] Generated Node #2: [23, 55, 47] from Operation: 10+37=47 Current State: 31:[23, 55, 47], Operations: ['10+37=47'] Exploring Operation: 23+55=78, Resulting Numbers: [47, 78] Generated Node #3: [47, 78] from Operation: 23+55=78 Current State: 31:[47, 78], Operations: ['10+37=47', '23+55=78'] Exploring Operation: 78-47=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[10, 37, 23, 55], Operations: [] Exploring Operation: 55-10=45, Resulting Numbers: [37, 23, 45] Generated Node #0,0: 31:[37, 23, 45] Operation: 55-10=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[37, 23, 45], Operations: ['55-10=45'] Exploring Operation: 45-23=22, Resulting Numbers: [37, 22] Generated Node #0,0,0: 31:[37, 22] Operation: 45-23=22 Moving to Node #0,0,0 Current State: 31:[37, 22], Operations: ['55-10=45', '45-23=22'] Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 17, 18, 72, 89 ]
18
[ "17+18=35", "89-72=17", "35-17=18" ]
Current State: 18:[17, 18, 72, 89], Operations: [] Exploring Operation: 17+18=35, Resulting Numbers: [72, 89, 35] Generated Node #2: [72, 89, 35] from Operation: 17+18=35 Current State: 18:[72, 89, 35], Operations: ['17+18=35'] Exploring Operation: 89-72=17, Resulting Numbers: [35, 17] Generated Node #3: [35, 17] from Operation: 89-72=17 Current State: 18:[35, 17], Operations: ['17+18=35', '89-72=17'] Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[17, 18, 72, 89], Operations: [] Exploring Operation: 89-17=72, Resulting Numbers: [18, 72, 72] Generated Node #0,0: 18:[18, 72, 72] Operation: 89-17=72 Exploring Operation: 72-17=55, Resulting Numbers: [18, 89, 55] Generated Node #0,1: 18:[18, 89, 55] Operation: 72-17=55 Exploring Operation: 72/18=4, Resulting Numbers: [17, 89, 4] Generated Node #0,2: 18:[17, 89, 4] Operation: 72/18=4 Exploring Operation: 89-72=17, Resulting Numbers: [17, 18, 17] Generated Node #0,3: 18:[17, 18, 17] Operation: 89-72=17 Moving to Node #0,3 Current State: 18:[17, 18, 17], Operations: ['89-72=17'] Exploring Operation: 17/17=1, Resulting Numbers: [18, 1] Generated Node #0,3,0: 18:[18, 1] Operation: 17/17=1 Exploring Operation: 18-17=1, Resulting Numbers: [17, 1] Generated Node #0,3,1: 18:[17, 1] Operation: 18-17=1 Exploring Operation: 18-17=1, Resulting Numbers: [17, 1] Generated Node #0,3,2: 18:[17, 1] Operation: 18-17=1 Exploring Operation: 17-17=0, Resulting Numbers: [18, 0] Generated Node #0,3,3: 18:[18, 0] Operation: 17-17=0 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 18:[18, 1], Operations: ['89-72=17', '17/17=1'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,18 unequal: No Solution Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[17, 18, 72, 89], Operations: [] Exploring Operation: 89-72=17, Resulting Numbers: [17, 18, 17] Generated Node #0,3: 18:[17, 18, 17] Operation: 89-72=17 Moving to Node #0,3 Current State: 18:[17, 18, 17], Operations: ['89-72=17'] Exploring Operation: 17/17=1, Resulting Numbers: [18, 1] Generated Node #0,3,0: 18:[18, 1] Operation: 17/17=1 Moving to Node #0,3,0 Current State: 18:[18, 1], Operations: ['89-72=17', '17/17=1'] Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 72, 10, 2, 66 ]
72
[ "72-66=6", "10+2=12", "6*12=72" ]
Current State: 72:[72, 10, 2, 66], Operations: [] Exploring Operation: 72-66=6, Resulting Numbers: [10, 2, 6] Generated Node #2: [10, 2, 6] from Operation: 72-66=6 Current State: 72:[10, 2, 6], Operations: ['72-66=6'] Exploring Operation: 10+2=12, Resulting Numbers: [6, 12] Generated Node #3: [6, 12] from Operation: 10+2=12 Current State: 72:[6, 12], Operations: ['72-66=6', '10+2=12'] Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[72, 10, 2, 66], Operations: [] Exploring Operation: 72-66=6, Resulting Numbers: [10, 2, 6] Generated Node #0,0: 72:[10, 2, 6] Operation: 72-66=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[10, 2, 6], Operations: ['72-66=6'] Exploring Operation: 10+2=12, Resulting Numbers: [6, 12] Generated Node #0,0,0: 72:[6, 12] Operation: 10+2=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[6, 12], Operations: ['72-66=6', '10+2=12'] Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 29, 18, 70, 5 ]
64
[ "29-18=11", "70+5=75", "75-11=64" ]
Current State: 64:[29, 18, 70, 5], Operations: [] Exploring Operation: 29-18=11, Resulting Numbers: [70, 5, 11] Generated Node #2: [70, 5, 11] from Operation: 29-18=11 Current State: 64:[70, 5, 11], Operations: ['29-18=11'] Exploring Operation: 70+5=75, Resulting Numbers: [11, 75] Generated Node #3: [11, 75] from Operation: 70+5=75 Current State: 64:[11, 75], Operations: ['29-18=11', '70+5=75'] Exploring Operation: 75-11=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[29, 18, 70, 5], Operations: [] Exploring Operation: 70/5=14, Resulting Numbers: [29, 18, 14] Generated Node #0,0: 64:[29, 18, 14] Operation: 70/5=14 Exploring Operation: 70-5=65, Resulting Numbers: [29, 18, 65] Generated Node #0,1: 64:[29, 18, 65] Operation: 70-5=65 Exploring Operation: 29+5=34, Resulting Numbers: [18, 70, 34] Generated Node #0,2: 64:[18, 70, 34] Operation: 29+5=34 Exploring Operation: 29-18=11, Resulting Numbers: [70, 5, 11] Generated Node #0,3: 64:[70, 5, 11] Operation: 29-18=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[29, 18, 65], Operations: ['70-5=65'] Exploring Operation: 65-18=47, Resulting Numbers: [29, 47] Generated Node #0,1,0: 64:[29, 47] Operation: 65-18=47 Exploring Operation: 65-29=36, Resulting Numbers: [18, 36] Generated Node #0,1,1: 64:[18, 36] Operation: 65-29=36 Exploring Operation: 29-18=11, Resulting Numbers: [65, 11] Generated Node #0,1,2: 64:[65, 11] Operation: 29-18=11 Exploring Operation: 29+18=47, Resulting Numbers: [65, 47] Generated Node #0,1,3: 64:[65, 47] Operation: 29+18=47 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 64:[65, 11], Operations: ['70-5=65', '29-18=11'] Exploring Operation: 65+11=76, Resulting Numbers: [76] 76,64 unequal: No Solution Exploring Operation: 65-11=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 65*11=715, Resulting Numbers: [715] 715,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 64:[18, 36], Operations: ['70-5=65', '65-29=36'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,64 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 64:[65, 47], Operations: ['70-5=65', '29+18=47'] Exploring Operation: 65*47=3055, Resulting Numbers: [3055] 3055,64 unequal: No Solution Exploring Operation: 65-47=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 65+47=112, Resulting Numbers: [112] 112,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 64:[29, 47], Operations: ['70-5=65', '65-18=47'] Exploring Operation: 29+47=76, Resulting Numbers: [76] 76,64 unequal: No Solution Exploring Operation: 29*47=1363, Resulting Numbers: [1363] 1363,64 unequal: No Solution Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[29, 18, 14], Operations: ['70/5=14'] Exploring Operation: 18+14=32, Resulting Numbers: [29, 32] Generated Node #0,0,0: 64:[29, 32] Operation: 18+14=32 Exploring Operation: 18-14=4, Resulting Numbers: [29, 4] Generated Node #0,0,1: 64:[29, 4] Operation: 18-14=4 Exploring Operation: 29-18=11, Resulting Numbers: [14, 11] Generated Node #0,0,2: 64:[14, 11] Operation: 29-18=11 Exploring Operation: 29-14=15, Resulting Numbers: [18, 15] Generated Node #0,0,3: 64:[18, 15] Operation: 29-14=15 Moving to Node #0,0,0 Current State: 64:[29, 32], Operations: ['70/5=14', '18+14=32'] Exploring Operation: 29*32=928, Resulting Numbers: [928] 928,64 unequal: No Solution Exploring Operation: 32-29=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 29+32=61, Resulting Numbers: [61] 61,64 unequal: No Solution Moving to Node #0,0,3 Current State: 64:[18, 15], Operations: ['70/5=14', '29-14=15'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 18*15=270, Resulting Numbers: [270] 270,64 unequal: No Solution Moving to Node #0,0,1 Current State: 64:[29, 4], Operations: ['70/5=14', '18-14=4'] Exploring Operation: 29+4=33, Resulting Numbers: [33] 33,64 unequal: No Solution Exploring Operation: 29*4=116, Resulting Numbers: [116] 116,64 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,64 unequal: No Solution Moving to Node #0,0,2 Current State: 64:[14, 11], Operations: ['70/5=14', '29-18=11'] Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,64 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 64:[18, 70, 34], Operations: ['29+5=34'] Exploring Operation: 18+34=52, Resulting Numbers: [70, 52] Generated Node #0,2,0: 64:[70, 52] Operation: 18+34=52 Exploring Operation: 34-18=16, Resulting Numbers: [70, 16] Generated Node #0,2,1: 64:[70, 16] Operation: 34-18=16 Exploring Operation: 70-34=36, Resulting Numbers: [18, 36] Generated Node #0,2,2: 64:[18, 36] Operation: 70-34=36 Exploring Operation: 70-18=52, Resulting Numbers: [34, 52] Generated Node #0,2,3: 64:[34, 52] Operation: 70-18=52 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 64:[70, 16], Operations: ['29+5=34', '34-18=16'] Exploring Operation: 70*16=1120, Resulting Numbers: [1120] 1120,64 unequal: No Solution Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 70+16=86, Resulting Numbers: [86] 86,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 64:[18, 36], Operations: ['29+5=34', '70-34=36'] Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,64 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 64:[34, 52], Operations: ['29+5=34', '70-18=52'] Exploring Operation: 34+52=86, Resulting Numbers: [86] 86,64 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,64 unequal: No Solution Exploring Operation: 34*52=1768, Resulting Numbers: [1768] 1768,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 64:[70, 52], Operations: ['29+5=34', '18+34=52'] Exploring Operation: 70*52=3640, Resulting Numbers: [3640] 3640,64 unequal: No Solution Exploring Operation: 70+52=122, Resulting Numbers: [122] 122,64 unequal: No Solution Exploring Operation: 70-52=18, Resulting Numbers: [18] 18,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 64:[70, 5, 11], Operations: ['29-18=11'] Exploring Operation: 70-11=59, Resulting Numbers: [5, 59] Generated Node #0,3,0: 64:[5, 59] Operation: 70-11=59 Exploring Operation: 5+11=16, Resulting Numbers: [70, 16] Generated Node #0,3,1: 64:[70, 16] Operation: 5+11=16 Exploring Operation: 70/5=14, Resulting Numbers: [11, 14] Generated Node #0,3,2: 64:[11, 14] Operation: 70/5=14 Exploring Operation: 70-5=65, Resulting Numbers: [11, 65] Generated Node #0,3,3: 64:[11, 65] Operation: 70-5=65 Moving to Node #0,3,3 Current State: 64:[11, 65], Operations: ['29-18=11', '70-5=65'] Exploring Operation: 11*65=715, Resulting Numbers: [715] 715,64 unequal: No Solution Exploring Operation: 11+65=76, Resulting Numbers: [76] 76,64 unequal: No Solution Exploring Operation: 65-11=54, Resulting Numbers: [54] 54,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[11, 14], Operations: ['29-18=11', '70/5=14'] Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,64 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[70, 16], Operations: ['29-18=11', '5+11=16'] Exploring Operation: 70+16=86, Resulting Numbers: [86] 86,64 unequal: No Solution Exploring Operation: 70*16=1120, Resulting Numbers: [1120] 1120,64 unequal: No Solution Exploring Operation: 70-16=54, Resulting Numbers: [54] 54,64 unequal: No Solution Moving to Node #0,3,0 Current State: 64:[5, 59], Operations: ['29-18=11', '70-11=59'] Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,64 unequal: No Solution Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,64 unequal: No Solution Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[29, 18, 70, 5], Operations: [] Exploring Operation: 29-18=11, Resulting Numbers: [70, 5, 11] Generated Node #0,3: 64:[70, 5, 11] Operation: 29-18=11 Moving to Node #0,3 Current State: 64:[70, 5, 11], Operations: ['29-18=11'] Exploring Operation: 70-11=59, Resulting Numbers: [5, 59] Generated Node #0,3,0: 64:[5, 59] Operation: 70-11=59 Moving to Node #0,3,0 Current State: 64:[5, 59], Operations: ['29-18=11', '70-11=59'] Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.935764
hs_4
sum_heuristic
[ 32, 88, 92, 62 ]
90
[ "32+88=120", "92-62=30", "120-30=90" ]
Current State: 90:[32, 88, 92, 62], Operations: [] Exploring Operation: 32+88=120, Resulting Numbers: [92, 62, 120] Generated Node #2: [92, 62, 120] from Operation: 32+88=120 Current State: 90:[92, 62, 120], Operations: ['32+88=120'] Exploring Operation: 92-62=30, Resulting Numbers: [120, 30] Generated Node #3: [120, 30] from Operation: 92-62=30 Current State: 90:[120, 30], Operations: ['32+88=120', '92-62=30'] Exploring Operation: 120-30=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[32, 88, 92, 62], Operations: [] Exploring Operation: 92-62=30, Resulting Numbers: [32, 88, 30] Generated Node #0,0: 90:[32, 88, 30] Operation: 92-62=30 Exploring Operation: 62-32=30, Resulting Numbers: [88, 92, 30] Generated Node #0,1: 90:[88, 92, 30] Operation: 62-32=30 Exploring Operation: 32+62=94, Resulting Numbers: [88, 92, 94] Generated Node #0,2: 90:[88, 92, 94] Operation: 32+62=94 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[32, 88, 30], Operations: ['92-62=30'] Exploring Operation: 88-30=58, Resulting Numbers: [32, 58] Generated Node #0,0,0: 90:[32, 58] Operation: 88-30=58 Exploring Operation: 32-30=2, Resulting Numbers: [88, 2] Generated Node #0,0,1: 90:[88, 2] Operation: 32-30=2 Exploring Operation: 88-32=56, Resulting Numbers: [30, 56] Generated Node #0,0,2: 90:[30, 56] Operation: 88-32=56 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 90:[88, 2], Operations: ['92-62=30', '32-30=2'] Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[32, 88, 92, 62], Operations: [] Exploring Operation: 92-62=30, Resulting Numbers: [32, 88, 30] Generated Node #0,0: 90:[32, 88, 30] Operation: 92-62=30 Moving to Node #0,0 Current State: 90:[32, 88, 30], Operations: ['92-62=30'] Exploring Operation: 32-30=2, Resulting Numbers: [88, 2] Generated Node #0,0,1: 90:[88, 2] Operation: 32-30=2 Moving to Node #0,0,1 Current State: 90:[88, 2], Operations: ['92-62=30', '32-30=2'] Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 3, 5, 91, 36 ]
85
[ "3*36=108", "108-91=17", "5*17=85" ]
Current State: 85:[3, 5, 91, 36], Operations: [] Exploring Operation: 3*36=108, Resulting Numbers: [5, 91, 108] Generated Node #2: [5, 91, 108] from Operation: 3*36=108 Current State: 85:[5, 91, 108], Operations: ['3*36=108'] Exploring Operation: 108-91=17, Resulting Numbers: [5, 17] Generated Node #3: [5, 17] from Operation: 108-91=17 Current State: 85:[5, 17], Operations: ['3*36=108', '108-91=17'] Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[3, 5, 91, 36], Operations: [] Exploring Operation: 91-3=88, Resulting Numbers: [5, 36, 88] Generated Node #0,0: 85:[5, 36, 88] Operation: 91-3=88 Exploring Operation: 36/3=12, Resulting Numbers: [5, 91, 12] Generated Node #0,1: 85:[5, 91, 12] Operation: 36/3=12 Exploring Operation: 36-3=33, Resulting Numbers: [5, 91, 33] Generated Node #0,2: 85:[5, 91, 33] Operation: 36-3=33 Exploring Operation: 91-5=86, Resulting Numbers: [3, 36, 86] Generated Node #0,3: 85:[3, 36, 86] Operation: 91-5=86 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[5, 91, 12], Operations: ['36/3=12'] Exploring Operation: 5+12=17, Resulting Numbers: [91, 17] Generated Node #0,1,0: 85:[91, 17] Operation: 5+12=17 Exploring Operation: 91-12=79, Resulting Numbers: [5, 79] Generated Node #0,1,1: 85:[5, 79] Operation: 91-12=79 Exploring Operation: 91-5=86, Resulting Numbers: [12, 86] Generated Node #0,1,2: 85:[12, 86] Operation: 91-5=86 Exploring Operation: 12-5=7, Resulting Numbers: [91, 7] Generated Node #0,1,3: 85:[91, 7] Operation: 12-5=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 85:[91, 17], Operations: ['36/3=12', '5+12=17'] Exploring Operation: 91*17=1547, Resulting Numbers: [1547] 1547,85 unequal: No Solution Exploring Operation: 91+17=108, Resulting Numbers: [108] 108,85 unequal: No Solution Exploring Operation: 91-17=74, Resulting Numbers: [74] 74,85 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 #0,1,1 Current State: 85:[5, 79], Operations: ['36/3=12', '91-12=79'] Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 5*79=395, Resulting Numbers: [395] 395,85 unequal: No Solution Exploring Operation: 5+79=84, Resulting Numbers: [84] 84,85 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 #0,1,2 Current State: 85:[12, 86], Operations: ['36/3=12', '91-5=86'] Exploring Operation: 12+86=98, Resulting Numbers: [98] 98,85 unequal: No Solution Exploring Operation: 86-12=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 12*86=1032, Resulting Numbers: [1032] 1032,85 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 #0,1,3 Current State: 85:[91, 7], Operations: ['36/3=12', '12-5=7'] Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,85 unequal: No Solution Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,85 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,85 unequal: No Solution Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,85 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[5, 36, 88], Operations: ['91-3=88'] Exploring Operation: 5+36=41, Resulting Numbers: [88, 41] Generated Node #0,0,0: 85:[88, 41] Operation: 5+36=41 Exploring Operation: 5+88=93, Resulting Numbers: [36, 93] Generated Node #0,0,1: 85:[36, 93] Operation: 5+88=93 Exploring Operation: 36-5=31, Resulting Numbers: [88, 31] Generated Node #0,0,2: 85:[88, 31] Operation: 36-5=31 Exploring Operation: 88-5=83, Resulting Numbers: [36, 83] Generated Node #0,0,3: 85:[36, 83] Operation: 88-5=83 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 85:[88, 31], Operations: ['91-3=88', '36-5=31'] Exploring Operation: 88*31=2728, Resulting Numbers: [2728] 2728,85 unequal: No Solution Exploring Operation: 88+31=119, Resulting Numbers: [119] 119,85 unequal: No Solution Exploring Operation: 88-31=57, Resulting Numbers: [57] 57,85 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 #0,0,3 Current State: 85:[36, 83], Operations: ['91-3=88', '88-5=83'] Exploring Operation: 36+83=119, Resulting Numbers: [119] 119,85 unequal: No Solution Exploring Operation: 36*83=2988, Resulting Numbers: [2988] 2988,85 unequal: No Solution Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,85 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 #0,0,0 Current State: 85:[88, 41], Operations: ['91-3=88', '5+36=41'] Exploring Operation: 88+41=129, Resulting Numbers: [129] 129,85 unequal: No Solution Exploring Operation: 88-41=47, Resulting Numbers: [47] 47,85 unequal: No Solution Exploring Operation: 88*41=3608, Resulting Numbers: [3608] 3608,85 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 #0,0,1 Current State: 85:[36, 93], Operations: ['91-3=88', '5+88=93'] Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,85 unequal: No Solution Exploring Operation: 36+93=129, Resulting Numbers: [129] 129,85 unequal: No Solution Exploring Operation: 36*93=3348, Resulting Numbers: [3348] 3348,85 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 Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[5, 91, 33], Operations: ['36-3=33'] Exploring Operation: 33-5=28, Resulting Numbers: [91, 28] Generated Node #0,2,0: 85:[91, 28] Operation: 33-5=28 Exploring Operation: 91-5=86, Resulting Numbers: [33, 86] Generated Node #0,2,1: 85:[33, 86] Operation: 91-5=86 Exploring Operation: 5+91=96, Resulting Numbers: [33, 96] Generated Node #0,2,2: 85:[33, 96] Operation: 5+91=96 Exploring Operation: 5+33=38, Resulting Numbers: [91, 38] Generated Node #0,2,3: 85:[91, 38] Operation: 5+33=38 Moving to Node #0,2,0 Current State: 85:[91, 28], Operations: ['36-3=33', '33-5=28'] Exploring Operation: 91+28=119, Resulting Numbers: [119] 119,85 unequal: No Solution Exploring Operation: 91-28=63, Resulting Numbers: [63] 63,85 unequal: No Solution Exploring Operation: 91*28=2548, Resulting Numbers: [2548] 2548,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[33, 86], Operations: ['36-3=33', '91-5=86'] Exploring Operation: 33+86=119, Resulting Numbers: [119] 119,85 unequal: No Solution Exploring Operation: 86-33=53, Resulting Numbers: [53] 53,85 unequal: No Solution Exploring Operation: 33*86=2838, Resulting Numbers: [2838] 2838,85 unequal: No Solution Moving to Node #0,2,3 Current State: 85:[91, 38], Operations: ['36-3=33', '5+33=38'] Exploring Operation: 91+38=129, Resulting Numbers: [129] 129,85 unequal: No Solution Exploring Operation: 91-38=53, Resulting Numbers: [53] 53,85 unequal: No Solution Exploring Operation: 91*38=3458, Resulting Numbers: [3458] 3458,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[33, 96], Operations: ['36-3=33', '5+91=96'] Exploring Operation: 96-33=63, Resulting Numbers: [63] 63,85 unequal: No Solution Exploring Operation: 33+96=129, Resulting Numbers: [129] 129,85 unequal: No Solution Exploring Operation: 33*96=3168, Resulting Numbers: [3168] 3168,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 85:[3, 36, 86], Operations: ['91-5=86'] Exploring Operation: 3+36=39, Resulting Numbers: [86, 39] Generated Node #0,3,0: 85:[86, 39] Operation: 3+36=39 Exploring Operation: 36-3=33, Resulting Numbers: [86, 33] Generated Node #0,3,1: 85:[86, 33] Operation: 36-3=33 Exploring Operation: 86-3=83, Resulting Numbers: [36, 83] Generated Node #0,3,2: 85:[36, 83] Operation: 86-3=83 Exploring Operation: 36/3=12, Resulting Numbers: [86, 12] Generated Node #0,3,3: 85:[86, 12] Operation: 36/3=12 Moving to Node #0,3,3 Current State: 85:[86, 12], Operations: ['91-5=86', '36/3=12'] Exploring Operation: 86*12=1032, Resulting Numbers: [1032] 1032,85 unequal: No Solution Exploring Operation: 86+12=98, Resulting Numbers: [98] 98,85 unequal: No Solution Exploring Operation: 86-12=74, Resulting Numbers: [74] 74,85 unequal: No Solution Moving to Node #0,3,1 Current State: 85:[86, 33], Operations: ['91-5=86', '36-3=33'] Exploring Operation: 86-33=53, Resulting Numbers: [53] 53,85 unequal: No Solution Exploring Operation: 86+33=119, Resulting Numbers: [119] 119,85 unequal: No Solution Exploring Operation: 86*33=2838, Resulting Numbers: [2838] 2838,85 unequal: No Solution Moving to Node #0,3,2 Current State: 85:[36, 83], Operations: ['91-5=86', '86-3=83'] Exploring Operation: 36*83=2988, Resulting Numbers: [2988] 2988,85 unequal: No Solution Exploring Operation: 36+83=119, Resulting Numbers: [119] 119,85 unequal: No Solution Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,85 unequal: No Solution Moving to Node #0,3,0 Current State: 85:[86, 39], Operations: ['91-5=86', '3+36=39'] Exploring Operation: 86-39=47, Resulting Numbers: [47] 47,85 unequal: No Solution Exploring Operation: 86+39=125, Resulting Numbers: [125] 125,85 unequal: No Solution Exploring Operation: 86*39=3354, Resulting Numbers: [3354] 3354,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 46, 38, 73, 59 ]
70
[ "46+38=84", "73-59=14", "84-14=70" ]
Current State: 70:[46, 38, 73, 59], Operations: [] Exploring Operation: 46+38=84, Resulting Numbers: [73, 59, 84] Generated Node #2: [73, 59, 84] from Operation: 46+38=84 Current State: 70:[73, 59, 84], Operations: ['46+38=84'] Exploring Operation: 73-59=14, Resulting Numbers: [84, 14] Generated Node #3: [84, 14] from Operation: 73-59=14 Current State: 70:[84, 14], Operations: ['46+38=84', '73-59=14'] Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[46, 38, 73, 59], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [46, 38, 14] Generated Node #0,0: 70:[46, 38, 14] Operation: 73-59=14 Exploring Operation: 59-46=13, Resulting Numbers: [38, 73, 13] Generated Node #0,1: 70:[38, 73, 13] Operation: 59-46=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[38, 73, 13], Operations: ['59-46=13'] Exploring Operation: 38-13=25, Resulting Numbers: [73, 25] Generated Node #0,1,0: 70:[73, 25] Operation: 38-13=25 Exploring Operation: 73-38=35, Resulting Numbers: [13, 35] Generated Node #0,1,1: 70:[13, 35] Operation: 73-38=35 Moving to Node #0,1,1 Current State: 70:[13, 35], Operations: ['59-46=13', '73-38=35'] Exploring Operation: 13+35=48, Resulting Numbers: [48] 48,70 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[73, 25], Operations: ['59-46=13', '38-13=25'] Exploring Operation: 73+25=98, Resulting Numbers: [98] 98,70 unequal: No Solution Exploring Operation: 73-25=48, Resulting Numbers: [48] 48,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[46, 38, 14], Operations: ['73-59=14'] Exploring Operation: 46-38=8, Resulting Numbers: [14, 8] Generated Node #0,0,0: 70:[14, 8] Operation: 46-38=8 Exploring Operation: 46-14=32, Resulting Numbers: [38, 32] Generated Node #0,0,1: 70:[38, 32] Operation: 46-14=32 Moving to Node #0,0,0 Current State: 70:[14, 8], Operations: ['73-59=14', '46-38=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[38, 32], Operations: ['73-59=14', '46-14=32'] Exploring Operation: 38-32=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 38+32=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[46, 38, 73, 59], Operations: [] Exploring Operation: 73-59=14, Resulting Numbers: [46, 38, 14] Generated Node #0,0: 70:[46, 38, 14] Operation: 73-59=14 Moving to Node #0,0 Current State: 70:[46, 38, 14], Operations: ['73-59=14'] Exploring Operation: 46-14=32, Resulting Numbers: [38, 32] Generated Node #0,0,1: 70:[38, 32] Operation: 46-14=32 Moving to Node #0,0,1 Current State: 70:[38, 32], Operations: ['73-59=14', '46-14=32'] Exploring Operation: 38+32=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 59, 89, 65, 69 ]
14
[ "59+89=148", "65+69=134", "148-134=14" ]
Current State: 14:[59, 89, 65, 69], Operations: [] Exploring Operation: 59+89=148, Resulting Numbers: [65, 69, 148] Generated Node #2: [65, 69, 148] from Operation: 59+89=148 Current State: 14:[65, 69, 148], Operations: ['59+89=148'] Exploring Operation: 65+69=134, Resulting Numbers: [148, 134] Generated Node #3: [148, 134] from Operation: 65+69=134 Current State: 14:[148, 134], Operations: ['59+89=148', '65+69=134'] Exploring Operation: 148-134=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[59, 89, 65, 69], Operations: [] Exploring Operation: 89-59=30, Resulting Numbers: [65, 69, 30] Generated Node #0,0: 14:[65, 69, 30] Operation: 89-59=30 Exploring Operation: 69-65=4, Resulting Numbers: [59, 89, 4] Generated Node #0,1: 14:[59, 89, 4] Operation: 69-65=4 Exploring Operation: 89-65=24, Resulting Numbers: [59, 69, 24] Generated Node #0,2: 14:[59, 69, 24] Operation: 89-65=24 Exploring Operation: 69-59=10, Resulting Numbers: [89, 65, 10] Generated Node #0,3: 14:[89, 65, 10] Operation: 69-59=10 Exploring Operation: 89-69=20, Resulting Numbers: [59, 65, 20] Generated Node #0,4: 14:[59, 65, 20] Operation: 89-69=20 Start Sub Search at level 1: Moving to Node #0,4 Current State: 14:[59, 65, 20], Operations: ['89-69=20'] Exploring Operation: 59-20=39, Resulting Numbers: [65, 39] Generated Node #0,4,0: 14:[65, 39] Operation: 59-20=39 Exploring Operation: 59+20=79, Resulting Numbers: [65, 79] Generated Node #0,4,1: 14:[65, 79] Operation: 59+20=79 Exploring Operation: 65-59=6, Resulting Numbers: [20, 6] Generated Node #0,4,2: 14:[20, 6] Operation: 65-59=6 Exploring Operation: 65-20=45, Resulting Numbers: [59, 45] Generated Node #0,4,3: 14:[59, 45] Operation: 65-20=45 Exploring Operation: 59+65=124, Resulting Numbers: [20, 124] Generated Node #0,4,4: 14:[20, 124] Operation: 59+65=124 Moving to Node #0,4,2 Current State: 14:[20, 6], Operations: ['89-69=20', '65-59=6'] Exploring Operation: 20+6=26, Resulting Numbers: [26] 26,14 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[59, 89, 65, 69], Operations: [] Exploring Operation: 89-69=20, Resulting Numbers: [59, 65, 20] Generated Node #0,4: 14:[59, 65, 20] Operation: 89-69=20 Moving to Node #0,4 Current State: 14:[59, 65, 20], Operations: ['89-69=20'] Exploring Operation: 65-59=6, Resulting Numbers: [20, 6] Generated Node #0,4,2: 14:[20, 6] Operation: 65-59=6 Moving to Node #0,4,2 Current State: 14:[20, 6], Operations: ['89-69=20', '65-59=6'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 1, 11, 22, 8 ]
11
[ "11-1=10", "10-8=2", "22/2=11" ]
Current State: 11:[1, 11, 22, 8], Operations: [] Exploring Operation: 11-1=10, Resulting Numbers: [22, 8, 10] Generated Node #2: [22, 8, 10] from Operation: 11-1=10 Current State: 11:[22, 8, 10], Operations: ['11-1=10'] Exploring Operation: 10-8=2, Resulting Numbers: [22, 2] Generated Node #3: [22, 2] from Operation: 10-8=2 Current State: 11:[22, 2], Operations: ['11-1=10', '10-8=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[1, 11, 22, 8], Operations: [] Exploring Operation: 22-1=21, Resulting Numbers: [11, 8, 21] Generated Node #0,0: 11:[11, 8, 21] Operation: 22-1=21 Exploring Operation: 1*11=11, Resulting Numbers: [22, 8, 11] Generated Node #0,1: 11:[22, 8, 11] Operation: 1*11=11 Exploring Operation: 22-8=14, Resulting Numbers: [1, 11, 14] Generated Node #0,2: 11:[1, 11, 14] Operation: 22-8=14 Exploring Operation: 22-11=11, Resulting Numbers: [1, 8, 11] Generated Node #0,3: 11:[1, 8, 11] Operation: 22-11=11 Exploring Operation: 1+8=9, Resulting Numbers: [11, 22, 9] Generated Node #0,4: 11:[11, 22, 9] Operation: 1+8=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[11, 8, 21], Operations: ['22-1=21'] Exploring Operation: 8+21=29, Resulting Numbers: [11, 29] Generated Node #0,0,0: 11:[11, 29] Operation: 8+21=29 Exploring Operation: 21-11=10, Resulting Numbers: [8, 10] Generated Node #0,0,1: 11:[8, 10] Operation: 21-11=10 Exploring Operation: 21-8=13, Resulting Numbers: [11, 13] Generated Node #0,0,2: 11:[11, 13] Operation: 21-8=13 Exploring Operation: 11+8=19, Resulting Numbers: [21, 19] Generated Node #0,0,3: 11:[21, 19] Operation: 11+8=19 Exploring Operation: 11-8=3, Resulting Numbers: [21, 3] Generated Node #0,0,4: 11:[21, 3] Operation: 11-8=3 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 11:[11, 13], Operations: ['22-1=21', '21-8=13'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,11 unequal: No Solution No 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: 11:[8, 10], Operations: ['22-1=21', '21-11=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 8*10=80, Resulting Numbers: [80] 80,11 unequal: No Solution No 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: 11:[11, 29], Operations: ['22-1=21', '8+21=29'] Exploring Operation: 11*29=319, Resulting Numbers: [319] 319,11 unequal: No Solution Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 11+29=40, Resulting Numbers: [40] 40,11 unequal: No Solution No 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: 11:[21, 19], Operations: ['22-1=21', '11+8=19'] Exploring Operation: 21*19=399, Resulting Numbers: [399] 399,11 unequal: No Solution Exploring Operation: 21+19=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,11 unequal: No Solution No 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: 11:[21, 3], Operations: ['22-1=21', '11-8=3'] Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,11 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,11 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,11 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: 11:[1, 11, 14], Operations: ['22-8=14'] Exploring Operation: 1*11=11, Resulting Numbers: [14, 11] Generated Node #0,2,0: 11:[14, 11] Operation: 1*11=11 Exploring Operation: 14-1=13, Resulting Numbers: [11, 13] Generated Node #0,2,1: 11:[11, 13] Operation: 14-1=13 Exploring Operation: 14/1=14, Resulting Numbers: [11, 14] Generated Node #0,2,2: 11:[11, 14] Operation: 14/1=14 Exploring Operation: 11/1=11, Resulting Numbers: [14, 11] Generated Node #0,2,3: 11:[14, 11] Operation: 11/1=11 Exploring Operation: 1*14=14, Resulting Numbers: [11, 14] Generated Node #0,2,4: 11:[11, 14] Operation: 1*14=14 Moving to Node #0,2,1 Current State: 11:[11, 13], Operations: ['22-8=14', '14-1=13'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[11, 14], Operations: ['22-8=14', '14/1=14'] Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,11 unequal: No Solution Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,11 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,11 unequal: No Solution Moving to Node #0,2,4 Current State: 11:[11, 14], Operations: ['22-8=14', '1*14=14'] Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,11 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,11 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[14, 11], Operations: ['22-8=14', '1*11=11'] Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,11 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,11 unequal: No Solution Moving to Node #0,2,3 Current State: 11:[14, 11], Operations: ['22-8=14', '11/1=11'] Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,11 unequal: No Solution Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,11 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 11:[1, 8, 11], Operations: ['22-11=11'] Exploring Operation: 11/1=11, Resulting Numbers: [8, 11] Generated Node #0,3,0: 11:[8, 11] Operation: 11/1=11 Exploring Operation: 1*11=11, Resulting Numbers: [8, 11] Generated Node #0,3,1: 11:[8, 11] Operation: 1*11=11 Exploring Operation: 8/1=8, Resulting Numbers: [11, 8] Generated Node #0,3,2: 11:[11, 8] Operation: 8/1=8 Exploring Operation: 1*8=8, Resulting Numbers: [11, 8] Generated Node #0,3,3: 11:[11, 8] Operation: 1*8=8 Exploring Operation: 1+8=9, Resulting Numbers: [11, 9] Generated Node #0,3,4: 11:[11, 9] Operation: 1+8=9 Moving to Node #0,3,4 Current State: 11:[11, 9], Operations: ['22-11=11', '1+8=9'] Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,11 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,11 unequal: No Solution Moving to Node #0,3,1 Current State: 11:[8, 11], Operations: ['22-11=11', '1*11=11'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,11 unequal: No Solution Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,11 unequal: No Solution Moving to Node #0,3,3 Current State: 11:[11, 8], Operations: ['22-11=11', '1*8=8'] Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,11 unequal: No Solution Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,11 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,11 unequal: No Solution Moving to Node #0,3,0 Current State: 11:[8, 11], Operations: ['22-11=11', '11/1=11'] Exploring Operation: 8*11=88, Resulting Numbers: [88] 88,11 unequal: No Solution Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,11 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,11 unequal: No Solution Moving to Node #0,3,2 Current State: 11:[11, 8], Operations: ['22-11=11', '8/1=8'] Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,11 unequal: No Solution Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 11:[11, 22, 9], Operations: ['1+8=9'] Exploring Operation: 22/11=2, Resulting Numbers: [9, 2] Generated Node #0,4,0: 11:[9, 2] Operation: 22/11=2 Exploring Operation: 11-9=2, Resulting Numbers: [22, 2] Generated Node #0,4,1: 11:[22, 2] Operation: 11-9=2 Exploring Operation: 22-9=13, Resulting Numbers: [11, 13] Generated Node #0,4,2: 11:[11, 13] Operation: 22-9=13 Exploring Operation: 11+9=20, Resulting Numbers: [22, 20] Generated Node #0,4,3: 11:[22, 20] Operation: 11+9=20 Exploring Operation: 22-11=11, Resulting Numbers: [9, 11] Generated Node #0,4,4: 11:[9, 11] Operation: 22-11=11 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 11:[11, 13], Operations: ['1+8=9', '22-9=13'] Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 11*13=143, Resulting Numbers: [143] 143,11 unequal: No Solution Exploring Operation: 11+13=24, Resulting Numbers: [24] 24,11 unequal: No Solution No 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: 11:[9, 11], Operations: ['1+8=9', '22-11=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,11 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,11 unequal: No Solution No 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: 11:[9, 2], Operations: ['1+8=9', '22/11=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[1, 11, 22, 8], Operations: [] Exploring Operation: 1+8=9, Resulting Numbers: [11, 22, 9] Generated Node #0,4: 11:[11, 22, 9] Operation: 1+8=9 Moving to Node #0,4 Current State: 11:[11, 22, 9], Operations: ['1+8=9'] Exploring Operation: 22/11=2, Resulting Numbers: [9, 2] Generated Node #0,4,0: 11:[9, 2] Operation: 22/11=2 Moving to Node #0,4,0 Current State: 11:[9, 2], Operations: ['1+8=9', '22/11=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.928819
hs_5
mult_heuristic
[ 13, 43, 97, 76 ]
77
[ "13+43=56", "97-76=21", "56+21=77" ]
Current State: 77:[13, 43, 97, 76], Operations: [] Exploring Operation: 13+43=56, Resulting Numbers: [97, 76, 56] Generated Node #2: [97, 76, 56] from Operation: 13+43=56 Current State: 77:[97, 76, 56], Operations: ['13+43=56'] Exploring Operation: 97-76=21, Resulting Numbers: [56, 21] Generated Node #3: [56, 21] from Operation: 97-76=21 Current State: 77:[56, 21], Operations: ['13+43=56', '97-76=21'] Exploring Operation: 56+21=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[13, 43, 97, 76], Operations: [] Exploring Operation: 13+43=56, Resulting Numbers: [97, 76, 56] Generated Node #0,0: 77:[97, 76, 56] Operation: 13+43=56 Exploring Operation: 76-43=33, Resulting Numbers: [13, 97, 33] Generated Node #0,1: 77:[13, 97, 33] Operation: 76-43=33 Exploring Operation: 97-43=54, Resulting Numbers: [13, 76, 54] Generated Node #0,2: 77:[13, 76, 54] Operation: 97-43=54 Exploring Operation: 97-13=84, Resulting Numbers: [43, 76, 84] Generated Node #0,3: 77:[43, 76, 84] Operation: 97-13=84 Exploring Operation: 43-13=30, Resulting Numbers: [97, 76, 30] Generated Node #0,4: 77:[97, 76, 30] Operation: 43-13=30 Moving to Node #0,2 Current State: 77:[13, 76, 54], Operations: ['97-43=54'] Exploring Operation: 76-54=22, Resulting Numbers: [13, 22] Generated Node #0,2,0: 77:[13, 22] Operation: 76-54=22 Exploring Operation: 76-13=63, Resulting Numbers: [54, 63] Generated Node #0,2,1: 77:[54, 63] Operation: 76-13=63 Exploring Operation: 54-13=41, Resulting Numbers: [76, 41] Generated Node #0,2,2: 77:[76, 41] Operation: 54-13=41 Exploring Operation: 13+76=89, Resulting Numbers: [54, 89] Generated Node #0,2,3: 77:[54, 89] Operation: 13+76=89 Exploring Operation: 13+54=67, Resulting Numbers: [76, 67] Generated Node #0,2,4: 77:[76, 67] Operation: 13+54=67 Moving to Node #0,4 Current State: 77:[97, 76, 30], Operations: ['43-13=30'] Exploring Operation: 97+30=127, Resulting Numbers: [76, 127] Generated Node #0,4,0: 77:[76, 127] Operation: 97+30=127 Exploring Operation: 97-76=21, Resulting Numbers: [30, 21] Generated Node #0,4,1: 77:[30, 21] Operation: 97-76=21 Exploring Operation: 76-30=46, Resulting Numbers: [97, 46] Generated Node #0,4,2: 77:[97, 46] Operation: 76-30=46 Exploring Operation: 97-30=67, Resulting Numbers: [76, 67] Generated Node #0,4,3: 77:[76, 67] Operation: 97-30=67 Exploring Operation: 76+30=106, Resulting Numbers: [97, 106] Generated Node #0,4,4: 77:[97, 106] Operation: 76+30=106 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 77:[76, 67], Operations: ['43-13=30', '97-30=67'] Exploring Operation: 76-67=9, Resulting Numbers: [9] 9,77 unequal: No Solution Exploring Operation: 76+67=143, Resulting Numbers: [143] 143,77 unequal: No Solution Exploring Operation: 76*67=5092, Resulting Numbers: [5092] 5092,77 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 #0,4,1 Current State: 77:[30, 21], Operations: ['43-13=30', '97-76=21'] Exploring Operation: 30*21=630, Resulting Numbers: [630] 630,77 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,77 unequal: No Solution Exploring Operation: 30+21=51, Resulting Numbers: [51] 51,77 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 #0,4,4 Current State: 77:[97, 106], Operations: ['43-13=30', '76+30=106'] Exploring Operation: 106-97=9, Resulting Numbers: [9] 9,77 unequal: No Solution Exploring Operation: 97*106=10282, Resulting Numbers: [10282] 10282,77 unequal: No Solution Exploring Operation: 97+106=203, Resulting Numbers: [203] 203,77 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 #0,4,0 Current State: 77:[76, 127], Operations: ['43-13=30', '97+30=127'] Exploring Operation: 127-76=51, Resulting Numbers: [51] 51,77 unequal: No Solution Exploring Operation: 76+127=203, Resulting Numbers: [203] 203,77 unequal: No Solution Exploring Operation: 76*127=9652, Resulting Numbers: [9652] 9652,77 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 #0,4,2 Current State: 77:[97, 46], Operations: ['43-13=30', '76-30=46'] Exploring Operation: 97+46=143, Resulting Numbers: [143] 143,77 unequal: No Solution Exploring Operation: 97-46=51, Resulting Numbers: [51] 51,77 unequal: No Solution Exploring Operation: 97*46=4462, Resulting Numbers: [4462] 4462,77 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: 77:[43, 76, 84], Operations: ['97-13=84'] Exploring Operation: 84-76=8, Resulting Numbers: [43, 8] Generated Node #0,3,0: 77:[43, 8] Operation: 84-76=8 Exploring Operation: 76-43=33, Resulting Numbers: [84, 33] Generated Node #0,3,1: 77:[84, 33] Operation: 76-43=33 Exploring Operation: 43+84=127, Resulting Numbers: [76, 127] Generated Node #0,3,2: 77:[76, 127] Operation: 43+84=127 Exploring Operation: 84-43=41, Resulting Numbers: [76, 41] Generated Node #0,3,3: 77:[76, 41] Operation: 84-43=41 Exploring Operation: 43+76=119, Resulting Numbers: [84, 119] Generated Node #0,3,4: 77:[84, 119] Operation: 43+76=119 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 77:[84, 33], Operations: ['97-13=84', '76-43=33'] Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,77 unequal: No Solution Exploring Operation: 84+33=117, Resulting Numbers: [117] 117,77 unequal: No Solution Exploring Operation: 84*33=2772, Resulting Numbers: [2772] 2772,77 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 #0,3,3 Current State: 77:[76, 41], Operations: ['97-13=84', '84-43=41'] Exploring Operation: 76-41=35, Resulting Numbers: [35] 35,77 unequal: No Solution Exploring Operation: 76*41=3116, Resulting Numbers: [3116] 3116,77 unequal: No Solution Exploring Operation: 76+41=117, Resulting Numbers: [117] 117,77 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 #0,3,0 Current State: 77:[43, 8], Operations: ['97-13=84', '84-76=8'] Exploring Operation: 43-8=35, Resulting Numbers: [35] 35,77 unequal: No Solution Exploring Operation: 43+8=51, Resulting Numbers: [51] 51,77 unequal: No Solution Exploring Operation: 43*8=344, Resulting Numbers: [344] 344,77 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 #0,3,4 Current State: 77:[84, 119], Operations: ['97-13=84', '43+76=119'] Exploring Operation: 84*119=9996, Resulting Numbers: [9996] 9996,77 unequal: No Solution Exploring Operation: 84+119=203, Resulting Numbers: [203] 203,77 unequal: No Solution Exploring Operation: 119-84=35, Resulting Numbers: [35] 35,77 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 #0,3,2 Current State: 77:[76, 127], Operations: ['97-13=84', '43+84=127'] Exploring Operation: 76+127=203, Resulting Numbers: [203] 203,77 unequal: No Solution Exploring Operation: 127-76=51, Resulting Numbers: [51] 51,77 unequal: No Solution Exploring Operation: 76*127=9652, Resulting Numbers: [9652] 9652,77 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: 77:[97, 76, 56], Operations: ['13+43=56'] Exploring Operation: 97-76=21, Resulting Numbers: [56, 21] Generated Node #0,0,0: 77:[56, 21] Operation: 97-76=21 Exploring Operation: 97+56=153, Resulting Numbers: [76, 153] Generated Node #0,0,1: 77:[76, 153] Operation: 97+56=153 Exploring Operation: 97-56=41, Resulting Numbers: [76, 41] Generated Node #0,0,2: 77:[76, 41] Operation: 97-56=41 Exploring Operation: 76-56=20, Resulting Numbers: [97, 20] Generated Node #0,0,3: 77:[97, 20] Operation: 76-56=20 Exploring Operation: 76+56=132, Resulting Numbers: [97, 132] Generated Node #0,0,4: 77:[97, 132] Operation: 76+56=132 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 77:[97, 20], Operations: ['13+43=56', '76-56=20'] Exploring Operation: 97-20=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[13, 43, 97, 76], Operations: [] Exploring Operation: 13+43=56, Resulting Numbers: [97, 76, 56] Generated Node #0,0: 77:[97, 76, 56] Operation: 13+43=56 Moving to Node #0,0 Current State: 77:[97, 76, 56], Operations: ['13+43=56'] Exploring Operation: 76-56=20, Resulting Numbers: [97, 20] Generated Node #0,0,3: 77:[97, 20] Operation: 76-56=20 Moving to Node #0,0,3 Current State: 77:[97, 20], Operations: ['13+43=56', '76-56=20'] Exploring Operation: 97-20=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.947917
hs_5
sum_heuristic
[ 69, 37, 70, 2 ]
18
[ "69+37=106", "106-70=36", "36/2=18" ]
Current State: 18:[69, 37, 70, 2], Operations: [] Exploring Operation: 69+37=106, Resulting Numbers: [70, 2, 106] Generated Node #2: [70, 2, 106] from Operation: 69+37=106 Current State: 18:[70, 2, 106], Operations: ['69+37=106'] Exploring Operation: 106-70=36, Resulting Numbers: [2, 36] Generated Node #3: [2, 36] from Operation: 106-70=36 Current State: 18:[2, 36], Operations: ['69+37=106', '106-70=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[69, 37, 70, 2], Operations: [] Exploring Operation: 70-37=33, Resulting Numbers: [69, 2, 33] Generated Node #0,0: 18:[69, 2, 33] Operation: 70-37=33 Exploring Operation: 70-69=1, Resulting Numbers: [37, 2, 1] Generated Node #0,1: 18:[37, 2, 1] Operation: 70-69=1 Exploring Operation: 69-37=32, Resulting Numbers: [70, 2, 32] Generated Node #0,2: 18:[70, 2, 32] Operation: 69-37=32 Moving to Node #0,1 Current State: 18:[37, 2, 1], Operations: ['70-69=1'] Exploring Operation: 37*1=37, Resulting Numbers: [2, 37] Generated Node #0,1,0: 18:[2, 37] Operation: 37*1=37 Exploring Operation: 37-1=36, Resulting Numbers: [2, 36] Generated Node #0,1,1: 18:[2, 36] Operation: 37-1=36 Exploring Operation: 37-2=35, Resulting Numbers: [1, 35] Generated Node #0,1,2: 18:[1, 35] Operation: 37-2=35 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 18:[2, 36], Operations: ['70-69=1', '37-1=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[69, 37, 70, 2], Operations: [] Exploring Operation: 70-69=1, Resulting Numbers: [37, 2, 1] Generated Node #0,1: 18:[37, 2, 1] Operation: 70-69=1 Moving to Node #0,1 Current State: 18:[37, 2, 1], Operations: ['70-69=1'] Exploring Operation: 37-1=36, Resulting Numbers: [2, 36] Generated Node #0,1,1: 18:[2, 36] Operation: 37-1=36 Moving to Node #0,1,1 Current State: 18:[2, 36], Operations: ['70-69=1', '37-1=36'] Exploring Operation: 36/2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 54, 6, 18, 49 ]
51
[ "54/6=9", "18/9=2", "49+2=51" ]
Current State: 51:[54, 6, 18, 49], Operations: [] Exploring Operation: 54/6=9, Resulting Numbers: [18, 49, 9] Generated Node #2: [18, 49, 9] from Operation: 54/6=9 Current State: 51:[18, 49, 9], Operations: ['54/6=9'] Exploring Operation: 18/9=2, Resulting Numbers: [49, 2] Generated Node #3: [49, 2] from Operation: 18/9=2 Current State: 51:[49, 2], Operations: ['54/6=9', '18/9=2'] Exploring Operation: 49+2=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[54, 6, 18, 49], Operations: [] Exploring Operation: 54/18=3, Resulting Numbers: [6, 49, 3] Generated Node #0,0: 51:[6, 49, 3] Operation: 54/18=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[6, 49, 3], Operations: ['54/18=3'] Exploring Operation: 6-3=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 51:[49, 3] Operation: 6-3=3 Moving to Node #0,0,0 Current State: 51:[49, 3], Operations: ['54/18=3', '6-3=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,51 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, 26, 9, 47 ]
10
[ "7*9=63", "26+47=73", "73-63=10" ]
Current State: 10:[7, 26, 9, 47], Operations: [] Exploring Operation: 7*9=63, Resulting Numbers: [26, 47, 63] Generated Node #2: [26, 47, 63] from Operation: 7*9=63 Current State: 10:[26, 47, 63], Operations: ['7*9=63'] Exploring Operation: 26+47=73, Resulting Numbers: [63, 73] Generated Node #3: [63, 73] from Operation: 26+47=73 Current State: 10:[63, 73], Operations: ['7*9=63', '26+47=73'] Exploring Operation: 73-63=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[7, 26, 9, 47], Operations: [] Exploring Operation: 47-9=38, Resulting Numbers: [7, 26, 38] Generated Node #0,0: 10:[7, 26, 38] Operation: 47-9=38 Exploring Operation: 47-26=21, Resulting Numbers: [7, 9, 21] Generated Node #0,1: 10:[7, 9, 21] Operation: 47-26=21 Exploring Operation: 26-9=17, Resulting Numbers: [7, 47, 17] Generated Node #0,2: 10:[7, 47, 17] Operation: 26-9=17 Exploring Operation: 26-7=19, Resulting Numbers: [9, 47, 19] Generated Node #0,3: 10:[9, 47, 19] Operation: 26-7=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[7, 9, 21], Operations: ['47-26=21'] Exploring Operation: 21-9=12, Resulting Numbers: [7, 12] Generated Node #0,1,0: 10:[7, 12] Operation: 21-9=12 Exploring Operation: 21-7=14, Resulting Numbers: [9, 14] Generated Node #0,1,1: 10:[9, 14] Operation: 21-7=14 Exploring Operation: 21/7=3, Resulting Numbers: [9, 3] Generated Node #0,1,2: 10:[9, 3] Operation: 21/7=3 Exploring Operation: 9-7=2, Resulting Numbers: [21, 2] Generated Node #0,1,3: 10:[21, 2] Operation: 9-7=2 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 10:[9, 3], Operations: ['47-26=21', '21/7=3'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,10 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,10 unequal: No Solution No 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: 10:[7, 12], Operations: ['47-26=21', '21-9=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,10 unequal: No Solution No 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: 10:[9, 14], Operations: ['47-26=21', '21-7=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,10 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,10 unequal: No Solution No 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: 10:[21, 2], Operations: ['47-26=21', '9-7=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,10 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,10 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: 10:[7, 26, 38], Operations: ['47-9=38'] Exploring Operation: 38-26=12, Resulting Numbers: [7, 12] Generated Node #0,0,0: 10:[7, 12] Operation: 38-26=12 Exploring Operation: 26-7=19, Resulting Numbers: [38, 19] Generated Node #0,0,1: 10:[38, 19] Operation: 26-7=19 Exploring Operation: 7+26=33, Resulting Numbers: [38, 33] Generated Node #0,0,2: 10:[38, 33] Operation: 7+26=33 Exploring Operation: 38-7=31, Resulting Numbers: [26, 31] Generated Node #0,0,3: 10:[26, 31] Operation: 38-7=31 Moving to Node #0,0,0 Current State: 10:[7, 12], Operations: ['47-9=38', '38-26=12'] Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,10 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[26, 31], Operations: ['47-9=38', '38-7=31'] Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 26*31=806, Resulting Numbers: [806] 806,10 unequal: No Solution Exploring Operation: 26+31=57, Resulting Numbers: [57] 57,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[38, 19], Operations: ['47-9=38', '26-7=19'] Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 38+19=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 38*19=722, Resulting Numbers: [722] 722,10 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[38, 33], Operations: ['47-9=38', '7+26=33'] Exploring Operation: 38+33=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,10 unequal: No Solution Exploring Operation: 38*33=1254, Resulting Numbers: [1254] 1254,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[7, 47, 17], Operations: ['26-9=17'] Exploring Operation: 17-7=10, Resulting Numbers: [47, 10] Generated Node #0,2,0: 10:[47, 10] Operation: 17-7=10 Exploring Operation: 47-17=30, Resulting Numbers: [7, 30] Generated Node #0,2,1: 10:[7, 30] Operation: 47-17=30 Exploring Operation: 47-7=40, Resulting Numbers: [17, 40] Generated Node #0,2,2: 10:[17, 40] Operation: 47-7=40 Exploring Operation: 7+47=54, Resulting Numbers: [17, 54] Generated Node #0,2,3: 10:[17, 54] Operation: 7+47=54 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 10:[7, 30], Operations: ['26-9=17', '47-17=30'] Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,10 unequal: No Solution Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,10 unequal: No Solution No 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: 10:[47, 10], Operations: ['26-9=17', '17-7=10'] Exploring Operation: 47*10=470, Resulting Numbers: [470] 470,10 unequal: No Solution Exploring Operation: 47+10=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,10 unequal: No Solution No 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: 10:[17, 40], Operations: ['26-9=17', '47-7=40'] Exploring Operation: 17*40=680, Resulting Numbers: [680] 680,10 unequal: No Solution Exploring Operation: 17+40=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,10 unequal: No Solution No 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: 10:[17, 54], Operations: ['26-9=17', '7+47=54'] Exploring Operation: 17*54=918, Resulting Numbers: [918] 918,10 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 17+54=71, Resulting Numbers: [71] 71,10 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: 10:[9, 47, 19], Operations: ['26-7=19'] Exploring Operation: 47-9=38, Resulting Numbers: [19, 38] Generated Node #0,3,0: 10:[19, 38] Operation: 47-9=38 Exploring Operation: 47-19=28, Resulting Numbers: [9, 28] Generated Node #0,3,1: 10:[9, 28] Operation: 47-19=28 Exploring Operation: 19-9=10, Resulting Numbers: [47, 10] Generated Node #0,3,2: 10:[47, 10] Operation: 19-9=10 Exploring Operation: 9+47=56, Resulting Numbers: [19, 56] Generated Node #0,3,3: 10:[19, 56] Operation: 9+47=56 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 10:[9, 28], Operations: ['26-7=19', '47-19=28'] Exploring Operation: 9+28=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 9*28=252, Resulting Numbers: [252] 252,10 unequal: No Solution No 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: 10:[19, 38], Operations: ['26-7=19', '47-9=38'] Exploring Operation: 19+38=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 19*38=722, Resulting Numbers: [722] 722,10 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,10 unequal: No Solution No 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: 10:[47, 10], Operations: ['26-7=19', '19-9=10'] Exploring Operation: 47+10=57, Resulting Numbers: [57] 57,10 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 47*10=470, Resulting Numbers: [470] 470,10 unequal: No Solution No 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: 10:[19, 56], Operations: ['26-7=19', '9+47=56'] Exploring Operation: 19+56=75, Resulting Numbers: [75] 75,10 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,10 unequal: No Solution Exploring Operation: 19*56=1064, Resulting Numbers: [1064] 1064,10 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
[ 15, 42, 23, 32 ]
28
[ "42-15=27", "23+32=55", "55-27=28" ]
Current State: 28:[15, 42, 23, 32], Operations: [] Exploring Operation: 42-15=27, Resulting Numbers: [23, 32, 27] Generated Node #2: [23, 32, 27] from Operation: 42-15=27 Current State: 28:[23, 32, 27], Operations: ['42-15=27'] Exploring Operation: 23+32=55, Resulting Numbers: [27, 55] Generated Node #3: [27, 55] from Operation: 23+32=55 Current State: 28:[27, 55], Operations: ['42-15=27', '23+32=55'] Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[15, 42, 23, 32], Operations: [] Exploring Operation: 42-23=19, Resulting Numbers: [15, 32, 19] Generated Node #0,0: 28:[15, 32, 19] Operation: 42-23=19 Exploring Operation: 42-15=27, Resulting Numbers: [23, 32, 27] Generated Node #0,1: 28:[23, 32, 27] Operation: 42-15=27 Exploring Operation: 42-32=10, Resulting Numbers: [15, 23, 10] Generated Node #0,2: 28:[15, 23, 10] Operation: 42-32=10 Moving to Node #0,2 Current State: 28:[15, 23, 10], Operations: ['42-32=10'] Exploring Operation: 23-10=13, Resulting Numbers: [15, 13] Generated Node #0,2,0: 28:[15, 13] Operation: 23-10=13 Exploring Operation: 23-15=8, Resulting Numbers: [10, 8] Generated Node #0,2,1: 28:[10, 8] Operation: 23-15=8 Exploring Operation: 15-10=5, Resulting Numbers: [23, 5] Generated Node #0,2,2: 28:[23, 5] Operation: 15-10=5 Moving to Node #0,0 Current State: 28:[15, 32, 19], Operations: ['42-23=19'] Exploring Operation: 32-19=13, Resulting Numbers: [15, 13] Generated Node #0,0,0: 28:[15, 13] Operation: 32-19=13 Exploring Operation: 32-15=17, Resulting Numbers: [19, 17] Generated Node #0,0,1: 28:[19, 17] Operation: 32-15=17 Exploring Operation: 19-15=4, Resulting Numbers: [32, 4] Generated Node #0,0,2: 28:[32, 4] Operation: 19-15=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[15, 13], Operations: ['42-23=19', '32-19=13'] Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,28 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[15, 42, 23, 32], Operations: [] Exploring Operation: 42-23=19, Resulting Numbers: [15, 32, 19] Generated Node #0,0: 28:[15, 32, 19] Operation: 42-23=19 Moving to Node #0,0 Current State: 28:[15, 32, 19], Operations: ['42-23=19'] Exploring Operation: 32-19=13, Resulting Numbers: [15, 13] Generated Node #0,0,0: 28:[15, 13] Operation: 32-19=13 Moving to Node #0,0,0 Current State: 28:[15, 13], Operations: ['42-23=19', '32-19=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 80, 10, 96, 71 ]
59
[ "80/10=8", "96/8=12", "71-12=59" ]
Current State: 59:[80, 10, 96, 71], Operations: [] Exploring Operation: 80/10=8, Resulting Numbers: [96, 71, 8] Generated Node #2: [96, 71, 8] from Operation: 80/10=8 Current State: 59:[96, 71, 8], Operations: ['80/10=8'] Exploring Operation: 96/8=12, Resulting Numbers: [71, 12] Generated Node #3: [71, 12] from Operation: 96/8=12 Current State: 59:[71, 12], Operations: ['80/10=8', '96/8=12'] Exploring Operation: 71-12=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[80, 10, 96, 71], Operations: [] Exploring Operation: 96-10=86, Resulting Numbers: [80, 71, 86] Generated Node #0,0: 59:[80, 71, 86] Operation: 96-10=86 Exploring Operation: 71-10=61, Resulting Numbers: [80, 96, 61] Generated Node #0,1: 59:[80, 96, 61] Operation: 71-10=61 Exploring Operation: 80+10=90, Resulting Numbers: [96, 71, 90] Generated Node #0,2: 59:[96, 71, 90] Operation: 80+10=90 Exploring Operation: 80-10=70, Resulting Numbers: [96, 71, 70] Generated Node #0,3: 59:[96, 71, 70] Operation: 80-10=70 Moving to Node #0,0 Current State: 59:[80, 71, 86], Operations: ['96-10=86'] Exploring Operation: 86-71=15, Resulting Numbers: [80, 15] Generated Node #0,0,0: 59:[80, 15] Operation: 86-71=15 Exploring Operation: 80+71=151, Resulting Numbers: [86, 151] Generated Node #0,0,1: 59:[86, 151] Operation: 80+71=151 Exploring Operation: 80-71=9, Resulting Numbers: [86, 9] Generated Node #0,0,2: 59:[86, 9] Operation: 80-71=9 Exploring Operation: 86-80=6, Resulting Numbers: [71, 6] Generated Node #0,0,3: 59:[71, 6] Operation: 86-80=6 Moving to Node #0,3 Current State: 59:[96, 71, 70], Operations: ['80-10=70'] Exploring Operation: 96+71=167, Resulting Numbers: [70, 167] Generated Node #0,3,0: 59:[70, 167] Operation: 96+71=167 Exploring Operation: 96-71=25, Resulting Numbers: [70, 25] Generated Node #0,3,1: 59:[70, 25] Operation: 96-71=25 Exploring Operation: 71-70=1, Resulting Numbers: [96, 1] Generated Node #0,3,2: 59:[96, 1] Operation: 71-70=1 Exploring Operation: 96-70=26, Resulting Numbers: [71, 26] Generated Node #0,3,3: 59:[71, 26] Operation: 96-70=26 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 59:[70, 25], Operations: ['80-10=70', '96-71=25'] Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,59 unequal: No Solution Exploring Operation: 70+25=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 70*25=1750, Resulting Numbers: [1750] 1750,59 unequal: No Solution No 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: 59:[71, 26], Operations: ['80-10=70', '96-70=26'] Exploring Operation: 71*26=1846, Resulting Numbers: [1846] 1846,59 unequal: No Solution Exploring Operation: 71+26=97, Resulting Numbers: [97] 97,59 unequal: No Solution Exploring Operation: 71-26=45, Resulting Numbers: [45] 45,59 unequal: No Solution No 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: 59:[96, 1], Operations: ['80-10=70', '71-70=1'] Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,59 unequal: No Solution Exploring Operation: 96*1=96, Resulting Numbers: [96] 96,59 unequal: No Solution Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 96+1=97, Resulting Numbers: [97] 97,59 unequal: No Solution No 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: 59:[70, 167], Operations: ['80-10=70', '96+71=167'] Exploring Operation: 167-70=97, Resulting Numbers: [97] 97,59 unequal: No Solution Exploring Operation: 70*167=11690, Resulting Numbers: [11690] 11690,59 unequal: No Solution Exploring Operation: 70+167=237, Resulting Numbers: [237] 237,59 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: 59:[80, 96, 61], Operations: ['71-10=61'] Exploring Operation: 96-61=35, Resulting Numbers: [80, 35] Generated Node #0,1,0: 59:[80, 35] Operation: 96-61=35 Exploring Operation: 96-80=16, Resulting Numbers: [61, 16] Generated Node #0,1,1: 59:[61, 16] Operation: 96-80=16 Exploring Operation: 80+96=176, Resulting Numbers: [61, 176] Generated Node #0,1,2: 59:[61, 176] Operation: 80+96=176 Exploring Operation: 80-61=19, Resulting Numbers: [96, 19] Generated Node #0,1,3: 59:[96, 19] Operation: 80-61=19 Moving to Node #0,2 Current State: 59:[96, 71, 90], Operations: ['80+10=90'] Exploring Operation: 90-71=19, Resulting Numbers: [96, 19] Generated Node #0,2,0: 59:[96, 19] Operation: 90-71=19 Exploring Operation: 96-71=25, Resulting Numbers: [90, 25] Generated Node #0,2,1: 59:[90, 25] Operation: 96-71=25 Exploring Operation: 96-90=6, Resulting Numbers: [71, 6] Generated Node #0,2,2: 59:[71, 6] Operation: 96-90=6 Exploring Operation: 96+71=167, Resulting Numbers: [90, 167] Generated Node #0,2,3: 59:[90, 167] Operation: 96+71=167 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 59:[90, 25], Operations: ['80+10=90', '96-71=25'] Exploring Operation: 90-25=65, Resulting Numbers: [65] 65,59 unequal: No Solution Exploring Operation: 90*25=2250, Resulting Numbers: [2250] 2250,59 unequal: No Solution Exploring Operation: 90+25=115, Resulting Numbers: [115] 115,59 unequal: No Solution No 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: 59:[71, 6], Operations: ['80+10=90', '96-90=6'] Exploring Operation: 71+6=77, Resulting Numbers: [77] 77,59 unequal: No Solution Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,59 unequal: No Solution Exploring Operation: 71*6=426, Resulting Numbers: [426] 426,59 unequal: No Solution No 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: 59:[96, 19], Operations: ['80+10=90', '90-71=19'] Exploring Operation: 96+19=115, Resulting Numbers: [115] 115,59 unequal: No Solution Exploring Operation: 96-19=77, Resulting Numbers: [77] 77,59 unequal: No Solution Exploring Operation: 96*19=1824, Resulting Numbers: [1824] 1824,59 unequal: No Solution No 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: 59:[90, 167], Operations: ['80+10=90', '96+71=167'] Exploring Operation: 90*167=15030, Resulting Numbers: [15030] 15030,59 unequal: No Solution Exploring Operation: 90+167=257, Resulting Numbers: [257] 257,59 unequal: No Solution Exploring Operation: 167-90=77, Resulting Numbers: [77] 77,59 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: 59:[80, 35], Operations: ['71-10=61', '96-61=35'] Exploring Operation: 80+35=115, Resulting Numbers: [115] 115,59 unequal: No Solution Exploring Operation: 80*35=2800, Resulting Numbers: [2800] 2800,59 unequal: No Solution Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[61, 16], Operations: ['71-10=61', '96-80=16'] Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,59 unequal: No Solution Exploring Operation: 61+16=77, Resulting Numbers: [77] 77,59 unequal: No Solution Exploring Operation: 61*16=976, Resulting Numbers: [976] 976,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[80, 15], Operations: ['96-10=86', '86-71=15'] Exploring Operation: 80*15=1200, Resulting Numbers: [1200] 1200,59 unequal: No Solution Exploring Operation: 80+15=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 80-15=65, Resulting Numbers: [65] 65,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[71, 6], Operations: ['96-10=86', '86-80=6'] Exploring Operation: 71*6=426, Resulting Numbers: [426] 426,59 unequal: No Solution Exploring Operation: 71+6=77, Resulting Numbers: [77] 77,59 unequal: No Solution Exploring Operation: 71-6=65, Resulting Numbers: [65] 65,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[96, 19], Operations: ['71-10=61', '80-61=19'] Exploring Operation: 96-19=77, Resulting Numbers: [77] 77,59 unequal: No Solution Exploring Operation: 96+19=115, Resulting Numbers: [115] 115,59 unequal: No Solution Exploring Operation: 96*19=1824, Resulting Numbers: [1824] 1824,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[86, 9], Operations: ['96-10=86', '80-71=9'] Exploring Operation: 86+9=95, Resulting Numbers: [95] 95,59 unequal: No Solution Exploring Operation: 86*9=774, Resulting Numbers: [774] 774,59 unequal: No Solution Exploring Operation: 86-9=77, Resulting Numbers: [77] 77,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[86, 151], Operations: ['96-10=86', '80+71=151'] Exploring Operation: 86+151=237, Resulting Numbers: [237] 237,59 unequal: No Solution Exploring Operation: 151-86=65, Resulting Numbers: [65] 65,59 unequal: No Solution Exploring Operation: 86*151=12986, Resulting Numbers: [12986] 12986,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[61, 176], Operations: ['71-10=61', '80+96=176'] Exploring Operation: 61+176=237, Resulting Numbers: [237] 237,59 unequal: No Solution Exploring Operation: 61*176=10736, Resulting Numbers: [10736] 10736,59 unequal: No Solution Exploring Operation: 176-61=115, Resulting Numbers: [115] 115,59 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 4, 48, 32, 80 ]
76
[ "48-32=16", "16/4=4", "80-4=76" ]
Current State: 76:[4, 48, 32, 80], Operations: [] Exploring Operation: 48-32=16, Resulting Numbers: [4, 80, 16] Generated Node #2: [4, 80, 16] from Operation: 48-32=16 Current State: 76:[4, 80, 16], Operations: ['48-32=16'] Exploring Operation: 16/4=4, Resulting Numbers: [80, 4] Generated Node #3: [80, 4] from Operation: 16/4=4 Current State: 76:[80, 4], Operations: ['48-32=16', '16/4=4'] Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[4, 48, 32, 80], Operations: [] Exploring Operation: 48+32=80, Resulting Numbers: [4, 80, 80] Generated Node #0,0: 76:[4, 80, 80] Operation: 48+32=80 Exploring Operation: 48-32=16, Resulting Numbers: [4, 80, 16] Generated Node #0,1: 76:[4, 80, 16] Operation: 48-32=16 Moving to Node #0,1 Current State: 76:[4, 80, 16], Operations: ['48-32=16'] Exploring Operation: 80/16=5, Resulting Numbers: [4, 5] Generated Node #0,1,0: 76:[4, 5] Operation: 80/16=5 Exploring Operation: 80-4=76, Resulting Numbers: [16, 76] Generated Node #0,1,1: 76:[16, 76] Operation: 80-4=76 Moving to Node #0,0 Current State: 76:[4, 80, 80], Operations: ['48+32=80'] Exploring Operation: 80-80=0, Resulting Numbers: [4, 0] Generated Node #0,0,0: 76:[4, 0] Operation: 80-80=0 Exploring Operation: 80/80=1, Resulting Numbers: [4, 1] Generated Node #0,0,1: 76:[4, 1] Operation: 80/80=1 Moving to Node #0,1,0 Current State: 76:[4, 5], Operations: ['48-32=16', '80/16=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,76 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[4, 1], Operations: ['48+32=80', '80/80=1'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[4, 0], Operations: ['48+32=80', '80-80=0'] Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,76 unequal: No Solution Moving to Node #0,1,1 Current State: 76:[16, 76], Operations: ['48-32=16', '80-4=76'] Exploring Operation: 76-16=60, Resulting Numbers: [60] 60,76 unequal: No Solution Exploring Operation: 16+76=92, Resulting Numbers: [92] 92,76 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 86, 9, 14, 83 ]
51
[ "86-83=3", "14*3=42", "9+42=51" ]
Current State: 51:[86, 9, 14, 83], Operations: [] Exploring Operation: 86-83=3, Resulting Numbers: [9, 14, 3] Generated Node #2: [9, 14, 3] from Operation: 86-83=3 Current State: 51:[9, 14, 3], Operations: ['86-83=3'] Exploring Operation: 14*3=42, Resulting Numbers: [9, 42] Generated Node #3: [9, 42] from Operation: 14*3=42 Current State: 51:[9, 42], Operations: ['86-83=3', '14*3=42'] Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[86, 9, 14, 83], Operations: [] Exploring Operation: 86-83=3, Resulting Numbers: [9, 14, 3] Generated Node #0,0: 51:[9, 14, 3] Operation: 86-83=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[9, 14, 3], Operations: ['86-83=3'] Exploring Operation: 14-9=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 51:[3, 5] Operation: 14-9=5 Moving to Node #0,0,0 Current State: 51:[3, 5], Operations: ['86-83=3', '14-9=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,51 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
[ 17, 54, 31, 2 ]
57
[ "17*2=34", "54-31=23", "34+23=57" ]
Current State: 57:[17, 54, 31, 2], Operations: [] Exploring Operation: 17*2=34, Resulting Numbers: [54, 31, 34] Generated Node #2: [54, 31, 34] from Operation: 17*2=34 Current State: 57:[54, 31, 34], Operations: ['17*2=34'] Exploring Operation: 54-31=23, Resulting Numbers: [34, 23] Generated Node #3: [34, 23] from Operation: 54-31=23 Current State: 57:[34, 23], Operations: ['17*2=34', '54-31=23'] Exploring Operation: 34+23=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[17, 54, 31, 2], Operations: [] Exploring Operation: 17+31=48, Resulting Numbers: [54, 2, 48] Generated Node #0,0: 57:[54, 2, 48] Operation: 17+31=48 Exploring Operation: 54-31=23, Resulting Numbers: [17, 2, 23] Generated Node #0,1: 57:[17, 2, 23] Operation: 54-31=23 Exploring Operation: 31*2=62, Resulting Numbers: [17, 54, 62] Generated Node #0,2: 57:[17, 54, 62] Operation: 31*2=62 Exploring Operation: 17+2=19, Resulting Numbers: [54, 31, 19] Generated Node #0,3: 57:[54, 31, 19] Operation: 17+2=19 Exploring Operation: 31-17=14, Resulting Numbers: [54, 2, 14] Generated Node #0,4: 57:[54, 2, 14] Operation: 31-17=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[17, 2, 23], Operations: ['54-31=23'] Exploring Operation: 2+23=25, Resulting Numbers: [17, 25] Generated Node #0,1,0: 57:[17, 25] Operation: 2+23=25 Exploring Operation: 17+2=19, Resulting Numbers: [23, 19] Generated Node #0,1,1: 57:[23, 19] Operation: 17+2=19 Exploring Operation: 23-2=21, Resulting Numbers: [17, 21] Generated Node #0,1,2: 57:[17, 21] Operation: 23-2=21 Exploring Operation: 23-17=6, Resulting Numbers: [2, 6] Generated Node #0,1,3: 57:[2, 6] Operation: 23-17=6 Exploring Operation: 17-2=15, Resulting Numbers: [23, 15] Generated Node #0,1,4: 57:[23, 15] Operation: 17-2=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 57:[23, 19], Operations: ['54-31=23', '17+2=19'] Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 23+19=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 23*19=437, Resulting Numbers: [437] 437,57 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:[17, 21], Operations: ['54-31=23', '23-2=21'] Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 17*21=357, Resulting Numbers: [357] 357,57 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,57 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:[2, 6], Operations: ['54-31=23', '23-17=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,57 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:[17, 25], Operations: ['54-31=23', '2+23=25'] Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,57 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 #0,1,4 Current State: 57:[23, 15], Operations: ['54-31=23', '17-2=15'] Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 23+15=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 23*15=345, Resulting Numbers: [345] 345,57 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 #0,4 Current State: 57:[54, 2, 14], Operations: ['31-17=14'] Exploring Operation: 14/2=7, Resulting Numbers: [54, 7] Generated Node #0,4,0: 57:[54, 7] Operation: 14/2=7 Exploring Operation: 2+14=16, Resulting Numbers: [54, 16] Generated Node #0,4,1: 57:[54, 16] Operation: 2+14=16 Exploring Operation: 54+2=56, Resulting Numbers: [14, 56] Generated Node #0,4,2: 57:[14, 56] Operation: 54+2=56 Exploring Operation: 54-2=52, Resulting Numbers: [14, 52] Generated Node #0,4,3: 57:[14, 52] Operation: 54-2=52 Exploring Operation: 14-2=12, Resulting Numbers: [54, 12] Generated Node #0,4,4: 57:[54, 12] Operation: 14-2=12 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 57:[54, 16], Operations: ['31-17=14', '2+14=16'] Exploring Operation: 54+16=70, Resulting Numbers: [70] 70,57 unequal: No Solution Exploring Operation: 54-16=38, Resulting Numbers: [38] 38,57 unequal: No Solution Exploring Operation: 54*16=864, Resulting Numbers: [864] 864,57 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 #0,4,2 Current State: 57:[14, 56], Operations: ['31-17=14', '54+2=56'] Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 14*56=784, Resulting Numbers: [784] 784,57 unequal: No Solution Exploring Operation: 14+56=70, Resulting Numbers: [70] 70,57 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,57 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 #0,4,0 Current State: 57:[54, 7], Operations: ['31-17=14', '14/2=7'] Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,57 unequal: No Solution Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,57 unequal: No Solution Exploring Operation: 54*7=378, Resulting Numbers: [378] 378,57 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 #0,4,3 Current State: 57:[14, 52], Operations: ['31-17=14', '54-2=52'] Exploring Operation: 14*52=728, Resulting Numbers: [728] 728,57 unequal: No Solution Exploring Operation: 14+52=66, Resulting Numbers: [66] 66,57 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,57 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 #0,4,4 Current State: 57:[54, 12], Operations: ['31-17=14', '14-2=12'] Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 54+12=66, Resulting Numbers: [66] 66,57 unequal: No Solution Exploring Operation: 54*12=648, Resulting Numbers: [648] 648,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[17, 54, 62], Operations: ['31*2=62'] Exploring Operation: 62-17=45, Resulting Numbers: [54, 45] Generated Node #0,2,0: 57:[54, 45] Operation: 62-17=45 Exploring Operation: 62-54=8, Resulting Numbers: [17, 8] Generated Node #0,2,1: 57:[17, 8] Operation: 62-54=8 Exploring Operation: 17+54=71, Resulting Numbers: [62, 71] Generated Node #0,2,2: 57:[62, 71] Operation: 17+54=71 Exploring Operation: 54-17=37, Resulting Numbers: [62, 37] Generated Node #0,2,3: 57:[62, 37] Operation: 54-17=37 Exploring Operation: 17+62=79, Resulting Numbers: [54, 79] Generated Node #0,2,4: 57:[54, 79] Operation: 17+62=79 Moving to Node #0,2,1 Current State: 57:[17, 8], Operations: ['31*2=62', '62-54=8'] Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 17+8=25, Resulting Numbers: [25] 25,57 unequal: No Solution Exploring Operation: 17*8=136, Resulting Numbers: [136] 136,57 unequal: No Solution Moving to Node #0,2,0 Current State: 57:[54, 45], Operations: ['31*2=62', '62-17=45'] Exploring Operation: 54*45=2430, Resulting Numbers: [2430] 2430,57 unequal: No Solution Exploring Operation: 54-45=9, Resulting Numbers: [9] 9,57 unequal: No Solution Exploring Operation: 54+45=99, Resulting Numbers: [99] 99,57 unequal: No Solution Moving to Node #0,2,2 Current State: 57:[62, 71], Operations: ['31*2=62', '17+54=71'] Exploring Operation: 62+71=133, Resulting Numbers: [133] 133,57 unequal: No Solution Exploring Operation: 62*71=4402, Resulting Numbers: [4402] 4402,57 unequal: No Solution Exploring Operation: 71-62=9, Resulting Numbers: [9] 9,57 unequal: No Solution Moving to Node #0,2,3 Current State: 57:[62, 37], Operations: ['31*2=62', '54-17=37'] Exploring Operation: 62+37=99, Resulting Numbers: [99] 99,57 unequal: No Solution Exploring Operation: 62*37=2294, Resulting Numbers: [2294] 2294,57 unequal: No Solution Exploring Operation: 62-37=25, Resulting Numbers: [25] 25,57 unequal: No Solution Moving to Node #0,2,4 Current State: 57:[54, 79], Operations: ['31*2=62', '17+62=79'] Exploring Operation: 54*79=4266, Resulting Numbers: [4266] 4266,57 unequal: No Solution Exploring Operation: 54+79=133, Resulting Numbers: [133] 133,57 unequal: No Solution Exploring Operation: 79-54=25, Resulting Numbers: [25] 25,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[54, 2, 48], Operations: ['17+31=48'] Exploring Operation: 54-48=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 57:[2, 6] Operation: 54-48=6 Exploring Operation: 54-2=52, Resulting Numbers: [48, 52] Generated Node #0,0,1: 57:[48, 52] Operation: 54-2=52 Exploring Operation: 2+48=50, Resulting Numbers: [54, 50] Generated Node #0,0,2: 57:[54, 50] Operation: 2+48=50 Exploring Operation: 54+2=56, Resulting Numbers: [48, 56] Generated Node #0,0,3: 57:[48, 56] Operation: 54+2=56 Exploring Operation: 48/2=24, Resulting Numbers: [54, 24] Generated Node #0,0,4: 57:[54, 24] Operation: 48/2=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[2, 6], Operations: ['17+31=48', '54-48=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,57 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,57 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 57:[54, 24], Operations: ['17+31=48', '48/2=24'] Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,57 unequal: No Solution Exploring Operation: 54+24=78, Resulting Numbers: [78] 78,57 unequal: No Solution Exploring Operation: 54*24=1296, Resulting Numbers: [1296] 1296,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[54, 50], Operations: ['17+31=48', '2+48=50'] Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 54*50=2700, Resulting Numbers: [2700] 2700,57 unequal: No Solution Exploring Operation: 54+50=104, Resulting Numbers: [104] 104,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 57:[48, 56], Operations: ['17+31=48', '54+2=56'] Exploring Operation: 48*56=2688, Resulting Numbers: [2688] 2688,57 unequal: No Solution Exploring Operation: 48+56=104, Resulting Numbers: [104] 104,57 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[48, 52], Operations: ['17+31=48', '54-2=52'] Exploring Operation: 48+52=100, Resulting Numbers: [100] 100,57 unequal: No Solution Exploring Operation: 48*52=2496, Resulting Numbers: [2496] 2496,57 unequal: No Solution Exploring Operation: 52-48=4, Resulting Numbers: [4] 4,57 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 #0,3 Current State: 57:[54, 31, 19], Operations: ['17+2=19'] Exploring Operation: 54-31=23, Resulting Numbers: [19, 23] Generated Node #0,3,0: 57:[19, 23] Operation: 54-31=23 Exploring Operation: 54+31=85, Resulting Numbers: [19, 85] Generated Node #0,3,1: 57:[19, 85] Operation: 54+31=85 Exploring Operation: 31-19=12, Resulting Numbers: [54, 12] Generated Node #0,3,2: 57:[54, 12] Operation: 31-19=12 Exploring Operation: 54+19=73, Resulting Numbers: [31, 73] Generated Node #0,3,3: 57:[31, 73] Operation: 54+19=73 Exploring Operation: 31+19=50, Resulting Numbers: [54, 50] Generated Node #0,3,4: 57:[54, 50] Operation: 31+19=50 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 57:[19, 23], Operations: ['17+2=19', '54-31=23'] Exploring Operation: 19+23=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 19*23=437, Resulting Numbers: [437] 437,57 unequal: No Solution Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,57 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:[54, 12], Operations: ['17+2=19', '31-19=12'] Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 54*12=648, Resulting Numbers: [648] 648,57 unequal: No Solution Exploring Operation: 54+12=66, Resulting Numbers: [66] 66,57 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 #0,3,4 Current State: 57:[54, 50], Operations: ['17+2=19', '31+19=50'] Exploring Operation: 54*50=2700, Resulting Numbers: [2700] 2700,57 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 54+50=104, Resulting Numbers: [104] 104,57 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:[19, 85], Operations: ['17+2=19', '54+31=85'] Exploring Operation: 19*85=1615, Resulting Numbers: [1615] 1615,57 unequal: No Solution Exploring Operation: 19+85=104, Resulting Numbers: [104] 104,57 unequal: No Solution Exploring Operation: 85-19=66, Resulting Numbers: [66] 66,57 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 #0,3,3 Current State: 57:[31, 73], Operations: ['17+2=19', '54+19=73'] Exploring Operation: 31+73=104, Resulting Numbers: [104] 104,57 unequal: No Solution Exploring Operation: 73-31=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 31*73=2263, Resulting Numbers: [2263] 2263,57 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_5
mult_heuristic
[ 40, 26, 56, 4 ]
46
[ "40-26=14", "56+4=60", "60-14=46" ]
Current State: 46:[40, 26, 56, 4], Operations: [] Exploring Operation: 40-26=14, Resulting Numbers: [56, 4, 14] Generated Node #2: [56, 4, 14] from Operation: 40-26=14 Current State: 46:[56, 4, 14], Operations: ['40-26=14'] Exploring Operation: 56+4=60, Resulting Numbers: [14, 60] Generated Node #3: [14, 60] from Operation: 56+4=60 Current State: 46:[14, 60], Operations: ['40-26=14', '56+4=60'] Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[40, 26, 56, 4], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [26, 4, 16] Generated Node #0,0: 46:[26, 4, 16] Operation: 56-40=16 Exploring Operation: 56-26=30, Resulting Numbers: [40, 4, 30] Generated Node #0,1: 46:[40, 4, 30] Operation: 56-26=30 Exploring Operation: 40+4=44, Resulting Numbers: [26, 56, 44] Generated Node #0,2: 46:[26, 56, 44] Operation: 40+4=44 Moving to Node #0,0 Current State: 46:[26, 4, 16], Operations: ['56-40=16'] Exploring Operation: 16/4=4, Resulting Numbers: [26, 4] Generated Node #0,0,0: 46:[26, 4] Operation: 16/4=4 Exploring Operation: 4+16=20, Resulting Numbers: [26, 20] Generated Node #0,0,1: 46:[26, 20] Operation: 4+16=20 Exploring Operation: 26+16=42, Resulting Numbers: [4, 42] Generated Node #0,0,2: 46:[4, 42] Operation: 26+16=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[26, 4], Operations: ['56-40=16', '16/4=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,46 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[26, 20], Operations: ['56-40=16', '4+16=20'] Exploring Operation: 26*20=520, Resulting Numbers: [520] 520,46 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,46 unequal: No Solution Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[40, 26, 56, 4], Operations: [] Exploring Operation: 56-40=16, Resulting Numbers: [26, 4, 16] Generated Node #0,0: 46:[26, 4, 16] Operation: 56-40=16 Moving to Node #0,0 Current State: 46:[26, 4, 16], Operations: ['56-40=16'] Exploring Operation: 4+16=20, Resulting Numbers: [26, 20] Generated Node #0,0,1: 46:[26, 20] Operation: 4+16=20 Moving to Node #0,0,1 Current State: 46:[26, 20], Operations: ['56-40=16', '4+16=20'] Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 99, 98, 9, 77 ]
10
[ "99/9=11", "98-77=21", "21-11=10" ]
Current State: 10:[99, 98, 9, 77], Operations: [] Exploring Operation: 99/9=11, Resulting Numbers: [98, 77, 11] Generated Node #2: [98, 77, 11] from Operation: 99/9=11 Current State: 10:[98, 77, 11], Operations: ['99/9=11'] Exploring Operation: 98-77=21, Resulting Numbers: [11, 21] Generated Node #3: [11, 21] from Operation: 98-77=21 Current State: 10:[11, 21], Operations: ['99/9=11', '98-77=21'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[99, 98, 9, 77], Operations: [] Exploring Operation: 99-98=1, Resulting Numbers: [9, 77, 1] Generated Node #0,0: 10:[9, 77, 1] Operation: 99-98=1 Exploring Operation: 99-77=22, Resulting Numbers: [98, 9, 22] Generated Node #0,1: 10:[98, 9, 22] Operation: 99-77=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[9, 77, 1], Operations: ['99-98=1'] Exploring Operation: 9+1=10, Resulting Numbers: [77, 10] Generated Node #0,0,0: 10:[77, 10] Operation: 9+1=10 Exploring Operation: 77-9=68, Resulting Numbers: [1, 68] Generated Node #0,0,1: 10:[1, 68] Operation: 77-9=68 Moving to Node #0,0,1 Current State: 10:[1, 68], Operations: ['99-98=1', '77-9=68'] Exploring Operation: 68-1=67, Resulting Numbers: [67] 67,10 unequal: No Solution Exploring Operation: 1*68=68, Resulting Numbers: [68] 68,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[77, 10], Operations: ['99-98=1', '9+1=10'] Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,10 unequal: No Solution Exploring Operation: 77+10=87, Resulting Numbers: [87] 87,10 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 Current State: 10:[98, 9, 22], Operations: ['99-77=22'] Exploring Operation: 98-9=89, Resulting Numbers: [22, 89] Generated Node #0,1,0: 10:[22, 89] Operation: 98-9=89 Exploring Operation: 98-22=76, Resulting Numbers: [9, 76] Generated Node #0,1,1: 10:[9, 76] Operation: 98-22=76 Moving to Node #0,1,1 Current State: 10:[9, 76], Operations: ['99-77=22', '98-22=76'] Exploring Operation: 9+76=85, Resulting Numbers: [85] 85,10 unequal: No Solution Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[22, 89], Operations: ['99-77=22', '98-9=89'] Exploring Operation: 22+89=111, Resulting Numbers: [111] 111,10 unequal: No Solution Exploring Operation: 89-22=67, Resulting Numbers: [67] 67,10 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
[ 55, 50, 95, 2 ]
88
[ "55-50=5", "95-2=93", "93-5=88" ]
Current State: 88:[55, 50, 95, 2], Operations: [] Exploring Operation: 55-50=5, Resulting Numbers: [95, 2, 5] Generated Node #2: [95, 2, 5] from Operation: 55-50=5 Current State: 88:[95, 2, 5], Operations: ['55-50=5'] Exploring Operation: 95-2=93, Resulting Numbers: [5, 93] Generated Node #3: [5, 93] from Operation: 95-2=93 Current State: 88:[5, 93], Operations: ['55-50=5', '95-2=93'] Exploring Operation: 93-5=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[55, 50, 95, 2], Operations: [] Exploring Operation: 50/2=25, Resulting Numbers: [55, 95, 25] Generated Node #0,0: 88:[55, 95, 25] Operation: 50/2=25 Exploring Operation: 95-55=40, Resulting Numbers: [50, 2, 40] Generated Node #0,1: 88:[50, 2, 40] Operation: 95-55=40 Exploring Operation: 95-50=45, Resulting Numbers: [55, 2, 45] Generated Node #0,2: 88:[55, 2, 45] Operation: 95-50=45 Exploring Operation: 55-50=5, Resulting Numbers: [95, 2, 5] Generated Node #0,3: 88:[95, 2, 5] Operation: 55-50=5 Moving to Node #0,3 Current State: 88:[95, 2, 5], Operations: ['55-50=5'] Exploring Operation: 95-5=90, Resulting Numbers: [2, 90] Generated Node #0,3,0: 88:[2, 90] Operation: 95-5=90 Exploring Operation: 95-2=93, Resulting Numbers: [5, 93] Generated Node #0,3,1: 88:[5, 93] Operation: 95-2=93 Exploring Operation: 2+5=7, Resulting Numbers: [95, 7] Generated Node #0,3,2: 88:[95, 7] Operation: 2+5=7 Exploring Operation: 95/5=19, Resulting Numbers: [2, 19] Generated Node #0,3,3: 88:[2, 19] Operation: 95/5=19 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 88:[2, 90], Operations: ['55-50=5', '95-5=90'] Exploring Operation: 2*90=180, Resulting Numbers: [180] 180,88 unequal: No Solution Exploring Operation: 2+90=92, Resulting Numbers: [92] 92,88 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,88 unequal: No Solution Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[55, 50, 95, 2], Operations: [] Exploring Operation: 55-50=5, Resulting Numbers: [95, 2, 5] Generated Node #0,3: 88:[95, 2, 5] Operation: 55-50=5 Moving to Node #0,3 Current State: 88:[95, 2, 5], Operations: ['55-50=5'] Exploring Operation: 95-5=90, Resulting Numbers: [2, 90] Generated Node #0,3,0: 88:[2, 90] Operation: 95-5=90 Moving to Node #0,3,0 Current State: 88:[2, 90], Operations: ['55-50=5', '95-5=90'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 65, 18, 95, 49 ]
37
[ "65+18=83", "95-49=46", "83-46=37" ]
Current State: 37:[65, 18, 95, 49], Operations: [] Exploring Operation: 65+18=83, Resulting Numbers: [95, 49, 83] Generated Node #2: [95, 49, 83] from Operation: 65+18=83 Current State: 37:[95, 49, 83], Operations: ['65+18=83'] Exploring Operation: 95-49=46, Resulting Numbers: [83, 46] Generated Node #3: [83, 46] from Operation: 95-49=46 Current State: 37:[83, 46], Operations: ['65+18=83', '95-49=46'] Exploring Operation: 83-46=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[65, 18, 95, 49], Operations: [] Exploring Operation: 95-65=30, Resulting Numbers: [18, 49, 30] Generated Node #0,0: 37:[18, 49, 30] Operation: 95-65=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[18, 49, 30], Operations: ['95-65=30'] Exploring Operation: 49-18=31, Resulting Numbers: [30, 31] Generated Node #0,0,0: 37:[30, 31] Operation: 49-18=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 37:[30, 31], Operations: ['95-65=30', '49-18=31'] Exploring Operation: 30+31=61, Resulting Numbers: [61] 61,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 90, 50, 3, 54 ]
83
[ "90+50=140", "3+54=57", "140-57=83" ]
Current State: 83:[90, 50, 3, 54], Operations: [] Exploring Operation: 90+50=140, Resulting Numbers: [3, 54, 140] Generated Node #2: [3, 54, 140] from Operation: 90+50=140 Current State: 83:[3, 54, 140], Operations: ['90+50=140'] Exploring Operation: 3+54=57, Resulting Numbers: [140, 57] Generated Node #3: [140, 57] from Operation: 3+54=57 Current State: 83:[140, 57], Operations: ['90+50=140', '3+54=57'] Exploring Operation: 140-57=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[90, 50, 3, 54], Operations: [] Exploring Operation: 90-3=87, Resulting Numbers: [50, 54, 87] Generated Node #0,0: 83:[50, 54, 87] Operation: 90-3=87 Exploring Operation: 50+3=53, Resulting Numbers: [90, 54, 53] Generated Node #0,1: 83:[90, 54, 53] Operation: 50+3=53 Exploring Operation: 3+54=57, Resulting Numbers: [90, 50, 57] Generated Node #0,2: 83:[90, 50, 57] Operation: 3+54=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[50, 54, 87], Operations: ['90-3=87'] Exploring Operation: 87-50=37, Resulting Numbers: [54, 37] Generated Node #0,0,0: 83:[54, 37] Operation: 87-50=37 Exploring Operation: 50+54=104, Resulting Numbers: [87, 104] Generated Node #0,0,1: 83:[87, 104] Operation: 50+54=104 Exploring Operation: 54-50=4, Resulting Numbers: [87, 4] Generated Node #0,0,2: 83:[87, 4] Operation: 54-50=4 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 83:[87, 104], Operations: ['90-3=87', '50+54=104'] Exploring Operation: 104-87=17, Resulting Numbers: [17] 17,83 unequal: No Solution Exploring Operation: 87+104=191, Resulting Numbers: [191] 191,83 unequal: No Solution Exploring Operation: 87*104=9048, Resulting Numbers: [9048] 9048,83 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 #0,0,0 Current State: 83:[54, 37], Operations: ['90-3=87', '87-50=37'] Exploring Operation: 54+37=91, Resulting Numbers: [91] 91,83 unequal: No Solution Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,83 unequal: No Solution Exploring Operation: 54*37=1998, Resulting Numbers: [1998] 1998,83 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 #0,0,2 Current State: 83:[87, 4], Operations: ['90-3=87', '54-50=4'] Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[90, 50, 3, 54], Operations: [] Exploring Operation: 90-3=87, Resulting Numbers: [50, 54, 87] Generated Node #0,0: 83:[50, 54, 87] Operation: 90-3=87 Moving to Node #0,0 Current State: 83:[50, 54, 87], Operations: ['90-3=87'] Exploring Operation: 54-50=4, Resulting Numbers: [87, 4] Generated Node #0,0,2: 83:[87, 4] Operation: 54-50=4 Moving to Node #0,0,2 Current State: 83:[87, 4], Operations: ['90-3=87', '54-50=4'] Exploring Operation: 87-4=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_3
sum_heuristic
[ 80, 77, 5, 63 ]
71
[ "80-77=3", "5+63=68", "3+68=71" ]
Current State: 71:[80, 77, 5, 63], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [5, 63, 3] Generated Node #2: [5, 63, 3] from Operation: 80-77=3 Current State: 71:[5, 63, 3], Operations: ['80-77=3'] Exploring Operation: 5+63=68, Resulting Numbers: [3, 68] Generated Node #3: [3, 68] from Operation: 5+63=68 Current State: 71:[3, 68], Operations: ['80-77=3', '5+63=68'] Exploring Operation: 3+68=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[80, 77, 5, 63], Operations: [] Exploring Operation: 5+63=68, Resulting Numbers: [80, 77, 68] Generated Node #0,0: 71:[80, 77, 68] Operation: 5+63=68 Exploring Operation: 77-5=72, Resulting Numbers: [80, 63, 72] Generated Node #0,1: 71:[80, 63, 72] Operation: 77-5=72 Exploring Operation: 80-5=75, Resulting Numbers: [77, 63, 75] Generated Node #0,2: 71:[77, 63, 75] Operation: 80-5=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[80, 77, 68], Operations: ['5+63=68'] Exploring Operation: 77-68=9, Resulting Numbers: [80, 9] Generated Node #0,0,0: 71:[80, 9] Operation: 77-68=9 Exploring Operation: 80-68=12, Resulting Numbers: [77, 12] Generated Node #0,0,1: 71:[77, 12] Operation: 80-68=12 Exploring Operation: 80-77=3, Resulting Numbers: [68, 3] Generated Node #0,0,2: 71:[68, 3] Operation: 80-77=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[77, 12], Operations: ['5+63=68', '80-68=12'] Exploring Operation: 77+12=89, Resulting Numbers: [89] 89,71 unequal: No Solution Exploring Operation: 77-12=65, Resulting Numbers: [65] 65,71 unequal: No Solution Exploring Operation: 77*12=924, Resulting Numbers: [924] 924,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[80, 9], Operations: ['5+63=68', '77-68=9'] Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,71 unequal: No Solution Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[80, 77, 5, 63], Operations: [] Exploring Operation: 5+63=68, Resulting Numbers: [80, 77, 68] Generated Node #0,0: 71:[80, 77, 68] Operation: 5+63=68 Moving to Node #0,0 Current State: 71:[80, 77, 68], Operations: ['5+63=68'] Exploring Operation: 77-68=9, Resulting Numbers: [80, 9] Generated Node #0,0,0: 71:[80, 9] Operation: 77-68=9 Moving to Node #0,0,0 Current State: 71:[80, 9], Operations: ['5+63=68', '77-68=9'] Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 23, 2, 13, 55 ]
88
[ "23*2=46", "55-13=42", "46+42=88" ]
Current State: 88:[23, 2, 13, 55], Operations: [] Exploring Operation: 23*2=46, Resulting Numbers: [13, 55, 46] Generated Node #2: [13, 55, 46] from Operation: 23*2=46 Current State: 88:[13, 55, 46], Operations: ['23*2=46'] Exploring Operation: 55-13=42, Resulting Numbers: [46, 42] Generated Node #3: [46, 42] from Operation: 55-13=42 Current State: 88:[46, 42], Operations: ['23*2=46', '55-13=42'] Exploring Operation: 46+42=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[23, 2, 13, 55], Operations: [] Exploring Operation: 23-13=10, Resulting Numbers: [2, 55, 10] Generated Node #0,0: 88:[2, 55, 10] Operation: 23-13=10 Exploring Operation: 55-13=42, Resulting Numbers: [23, 2, 42] Generated Node #0,1: 88:[23, 2, 42] Operation: 55-13=42 Exploring Operation: 23+55=78, Resulting Numbers: [2, 13, 78] Generated Node #0,2: 88:[2, 13, 78] Operation: 23+55=78 Moving to Node #0,1 Current State: 88:[23, 2, 42], Operations: ['55-13=42'] Exploring Operation: 42/2=21, Resulting Numbers: [23, 21] Generated Node #0,1,0: 88:[23, 21] Operation: 42/2=21 Exploring Operation: 23-2=21, Resulting Numbers: [42, 21] Generated Node #0,1,1: 88:[42, 21] Operation: 23-2=21 Exploring Operation: 2+42=44, Resulting Numbers: [23, 44] Generated Node #0,1,2: 88:[23, 44] Operation: 2+42=44 Moving to Node #0,0 Current State: 88:[2, 55, 10], Operations: ['23-13=10'] Exploring Operation: 55-10=45, Resulting Numbers: [2, 45] Generated Node #0,0,0: 88:[2, 45] Operation: 55-10=45 Exploring Operation: 10-2=8, Resulting Numbers: [55, 8] Generated Node #0,0,1: 88:[55, 8] Operation: 10-2=8 Exploring Operation: 55-2=53, Resulting Numbers: [10, 53] Generated Node #0,0,2: 88:[10, 53] Operation: 55-2=53 Moving to Node #0,2 Current State: 88:[2, 13, 78], Operations: ['23+55=78'] Exploring Operation: 78/2=39, Resulting Numbers: [13, 39] Generated Node #0,2,0: 88:[13, 39] Operation: 78/2=39 Exploring Operation: 78/13=6, Resulting Numbers: [2, 6] Generated Node #0,2,1: 88:[2, 6] Operation: 78/13=6 Exploring Operation: 13+78=91, Resulting Numbers: [2, 91] Generated Node #0,2,2: 88:[2, 91] Operation: 13+78=91 Moving to Node #0,1,2 Current State: 88:[23, 44], Operations: ['55-13=42', '2+42=44'] Exploring Operation: 23*44=1012, Resulting Numbers: [1012] 1012,88 unequal: No Solution Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 23+44=67, Resulting Numbers: [67] 67,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[2, 45], Operations: ['23-13=10', '55-10=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,88 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[2, 6], Operations: ['23+55=78', '78/13=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,88 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[23, 21], Operations: ['55-13=42', '42/2=21'] Exploring Operation: 23*21=483, Resulting Numbers: [483] 483,88 unequal: No Solution Exploring Operation: 23+21=44, Resulting Numbers: [44] 44,88 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[42, 21], Operations: ['55-13=42', '23-2=21'] Exploring Operation: 42+21=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,88 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[2, 91], Operations: ['23+55=78', '13+78=91'] Exploring Operation: 2*91=182, Resulting Numbers: [182] 182,88 unequal: No Solution Exploring Operation: 2+91=93, Resulting Numbers: [93] 93,88 unequal: No Solution Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,88 unequal: No Solution Moving to Node #0,2,0 Current State: 88:[13, 39], Operations: ['23+55=78', '78/2=39'] Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,88 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,88 unequal: No Solution Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[10, 53], Operations: ['23-13=10', '55-2=53'] Exploring Operation: 10*53=530, Resulting Numbers: [530] 530,88 unequal: No Solution Exploring Operation: 10+53=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[55, 8], Operations: ['23-13=10', '10-2=8'] Exploring Operation: 55*8=440, Resulting Numbers: [440] 440,88 unequal: No Solution Exploring Operation: 55+8=63, Resulting Numbers: [63] 63,88 unequal: No Solution Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,88 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 38, 56, 28, 91 ]
15
[ "38*56=2128", "2128/28=76", "91-76=15" ]
Current State: 15:[38, 56, 28, 91], Operations: [] Exploring Operation: 38*56=2128, Resulting Numbers: [28, 91, 2128] Generated Node #2: [28, 91, 2128] from Operation: 38*56=2128 Current State: 15:[28, 91, 2128], Operations: ['38*56=2128'] Exploring Operation: 2128/28=76, Resulting Numbers: [91, 76] Generated Node #3: [91, 76] from Operation: 2128/28=76 Current State: 15:[91, 76], Operations: ['38*56=2128', '2128/28=76'] Exploring Operation: 91-76=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[38, 56, 28, 91], Operations: [] Exploring Operation: 91-56=35, Resulting Numbers: [38, 28, 35] Generated Node #0,0: 15:[38, 28, 35] Operation: 91-56=35 Exploring Operation: 56-38=18, Resulting Numbers: [28, 91, 18] Generated Node #0,1: 15:[28, 91, 18] Operation: 56-38=18 Exploring Operation: 56/28=2, Resulting Numbers: [38, 91, 2] Generated Node #0,2: 15:[38, 91, 2] Operation: 56/28=2 Exploring Operation: 91-38=53, Resulting Numbers: [56, 28, 53] Generated Node #0,3: 15:[56, 28, 53] Operation: 91-38=53 Moving to Node #0,0 Current State: 15:[38, 28, 35], Operations: ['91-56=35'] Exploring Operation: 38-28=10, Resulting Numbers: [35, 10] Generated Node #0,0,0: 15:[35, 10] Operation: 38-28=10 Exploring Operation: 38+28=66, Resulting Numbers: [35, 66] Generated Node #0,0,1: 15:[35, 66] Operation: 38+28=66 Exploring Operation: 38-35=3, Resulting Numbers: [28, 3] Generated Node #0,0,2: 15:[28, 3] Operation: 38-35=3 Exploring Operation: 35-28=7, Resulting Numbers: [38, 7] Generated Node #0,0,3: 15:[38, 7] Operation: 35-28=7 Moving to Node #0,3 Current State: 15:[56, 28, 53], Operations: ['91-38=53'] Exploring Operation: 56-28=28, Resulting Numbers: [53, 28] Generated Node #0,3,0: 15:[53, 28] Operation: 56-28=28 Exploring Operation: 56-53=3, Resulting Numbers: [28, 3] Generated Node #0,3,1: 15:[28, 3] Operation: 56-53=3 Exploring Operation: 56/28=2, Resulting Numbers: [53, 2] Generated Node #0,3,2: 15:[53, 2] Operation: 56/28=2 Exploring Operation: 53-28=25, Resulting Numbers: [56, 25] Generated Node #0,3,3: 15:[56, 25] Operation: 53-28=25 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 15:[28, 3], Operations: ['91-38=53', '56-53=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,15 unequal: No Solution No 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: 15:[53, 2], Operations: ['91-38=53', '56/28=2'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,15 unequal: No Solution Exploring Operation: 53*2=106, Resulting Numbers: [106] 106,15 unequal: No Solution Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,15 unequal: No Solution No 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: 15:[53, 28], Operations: ['91-38=53', '56-28=28'] Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,15 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,15 unequal: No Solution Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,15 unequal: No Solution No 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: 15:[56, 25], Operations: ['91-38=53', '53-28=25'] Exploring Operation: 56*25=1400, Resulting Numbers: [1400] 1400,15 unequal: No Solution Exploring Operation: 56+25=81, Resulting Numbers: [81] 81,15 unequal: No Solution Exploring Operation: 56-25=31, Resulting Numbers: [31] 31,15 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: 15:[28, 91, 18], Operations: ['56-38=18'] Exploring Operation: 28-18=10, Resulting Numbers: [91, 10] Generated Node #0,1,0: 15:[91, 10] Operation: 28-18=10 Exploring Operation: 91-18=73, Resulting Numbers: [28, 73] Generated Node #0,1,1: 15:[28, 73] Operation: 91-18=73 Exploring Operation: 91-28=63, Resulting Numbers: [18, 63] Generated Node #0,1,2: 15:[18, 63] Operation: 91-28=63 Exploring Operation: 28+91=119, Resulting Numbers: [18, 119] Generated Node #0,1,3: 15:[18, 119] Operation: 28+91=119 Moving to Node #0,2 Current State: 15:[38, 91, 2], Operations: ['56/28=2'] Exploring Operation: 91-38=53, Resulting Numbers: [2, 53] Generated Node #0,2,0: 15:[2, 53] Operation: 91-38=53 Exploring Operation: 91-2=89, Resulting Numbers: [38, 89] Generated Node #0,2,1: 15:[38, 89] Operation: 91-2=89 Exploring Operation: 38-2=36, Resulting Numbers: [91, 36] Generated Node #0,2,2: 15:[91, 36] Operation: 38-2=36 Exploring Operation: 38/2=19, Resulting Numbers: [91, 19] Generated Node #0,2,3: 15:[91, 19] Operation: 38/2=19 Moving to Node #0,0,2 Current State: 15:[28, 3], Operations: ['91-56=35', '38-35=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,15 unequal: No Solution Moving to Node #0,0,3 Current State: 15:[38, 7], Operations: ['91-56=35', '35-28=7'] Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,15 unequal: No Solution Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,15 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[35, 10], Operations: ['91-56=35', '38-28=10'] Exploring Operation: 35*10=350, Resulting Numbers: [350] 350,15 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,15 unequal: No Solution Exploring Operation: 35+10=45, Resulting Numbers: [45] 45,15 unequal: No Solution Moving to Node #0,2,0 Current State: 15:[2, 53], Operations: ['56/28=2', '91-38=53'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,15 unequal: No Solution Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,15 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[18, 63], Operations: ['56-38=18', '91-28=63'] Exploring Operation: 18*63=1134, Resulting Numbers: [1134] 1134,15 unequal: No Solution Exploring Operation: 63-18=45, Resulting Numbers: [45] 45,15 unequal: No Solution Exploring Operation: 18+63=81, Resulting Numbers: [81] 81,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[28, 73], Operations: ['56-38=18', '91-18=73'] Exploring Operation: 28*73=2044, Resulting Numbers: [2044] 2044,15 unequal: No Solution Exploring Operation: 73-28=45, Resulting Numbers: [45] 45,15 unequal: No Solution Exploring Operation: 28+73=101, Resulting Numbers: [101] 101,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[35, 66], Operations: ['91-56=35', '38+28=66'] Exploring Operation: 66-35=31, Resulting Numbers: [31] 31,15 unequal: No Solution Exploring Operation: 35+66=101, Resulting Numbers: [101] 101,15 unequal: No Solution Exploring Operation: 35*66=2310, Resulting Numbers: [2310] 2310,15 unequal: No Solution Moving to Node #0,2,3 Current State: 15:[91, 19], Operations: ['56/28=2', '38/2=19'] Exploring Operation: 91+19=110, Resulting Numbers: [110] 110,15 unequal: No Solution Exploring Operation: 91-19=72, Resulting Numbers: [72] 72,15 unequal: No Solution Exploring Operation: 91*19=1729, Resulting Numbers: [1729] 1729,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[91, 10], Operations: ['56-38=18', '28-18=10'] Exploring Operation: 91+10=101, Resulting Numbers: [101] 101,15 unequal: No Solution Exploring Operation: 91-10=81, Resulting Numbers: [81] 81,15 unequal: No Solution Exploring Operation: 91*10=910, Resulting Numbers: [910] 910,15 unequal: No Solution Moving to Node #0,2,1 Current State: 15:[38, 89], Operations: ['56/28=2', '91-2=89'] Exploring Operation: 38*89=3382, Resulting Numbers: [3382] 3382,15 unequal: No Solution Exploring Operation: 38+89=127, Resulting Numbers: [127] 127,15 unequal: No Solution Exploring Operation: 89-38=51, Resulting Numbers: [51] 51,15 unequal: No Solution Moving to Node #0,2,2 Current State: 15:[91, 36], Operations: ['56/28=2', '38-2=36'] Exploring Operation: 91*36=3276, Resulting Numbers: [3276] 3276,15 unequal: No Solution Exploring Operation: 91-36=55, Resulting Numbers: [55] 55,15 unequal: No Solution Exploring Operation: 91+36=127, Resulting Numbers: [127] 127,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[18, 119], Operations: ['56-38=18', '28+91=119'] Exploring Operation: 18*119=2142, Resulting Numbers: [2142] 2142,15 unequal: No Solution Exploring Operation: 18+119=137, Resulting Numbers: [137] 137,15 unequal: No Solution Exploring Operation: 119-18=101, Resulting Numbers: [101] 101,15 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 18, 39, 60, 9 ]
81
[ "18*60=1080", "1080/9=120", "120-39=81" ]
Current State: 81:[18, 39, 60, 9], Operations: [] Exploring Operation: 18*60=1080, Resulting Numbers: [39, 9, 1080] Generated Node #2: [39, 9, 1080] from Operation: 18*60=1080 Current State: 81:[39, 9, 1080], Operations: ['18*60=1080'] Exploring Operation: 1080/9=120, Resulting Numbers: [39, 120] Generated Node #3: [39, 120] from Operation: 1080/9=120 Current State: 81:[39, 120], Operations: ['18*60=1080', '1080/9=120'] Exploring Operation: 120-39=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[18, 39, 60, 9], Operations: [] Exploring Operation: 60-39=21, Resulting Numbers: [18, 9, 21] Generated Node #0,0: 81:[18, 9, 21] Operation: 60-39=21 Exploring Operation: 18+60=78, Resulting Numbers: [39, 9, 78] Generated Node #0,1: 81:[39, 9, 78] Operation: 18+60=78 Exploring Operation: 60-18=42, Resulting Numbers: [39, 9, 42] Generated Node #0,2: 81:[39, 9, 42] Operation: 60-18=42 Exploring Operation: 39-18=21, Resulting Numbers: [60, 9, 21] Generated Node #0,3: 81:[60, 9, 21] Operation: 39-18=21 Moving to Node #0,0 Current State: 81:[18, 9, 21], Operations: ['60-39=21'] Exploring Operation: 18/9=2, Resulting Numbers: [21, 2] Generated Node #0,0,0: 81:[21, 2] Operation: 18/9=2 Exploring Operation: 21-18=3, Resulting Numbers: [9, 3] Generated Node #0,0,1: 81:[9, 3] Operation: 21-18=3 Exploring Operation: 18+9=27, Resulting Numbers: [21, 27] Generated Node #0,0,2: 81:[21, 27] Operation: 18+9=27 Exploring Operation: 18-9=9, Resulting Numbers: [21, 9] Generated Node #0,0,3: 81:[21, 9] Operation: 18-9=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[9, 3], Operations: ['60-39=21', '21-18=3'] Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,81 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,81 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[21, 27], Operations: ['60-39=21', '18+9=27'] Exploring Operation: 21+27=48, Resulting Numbers: [48] 48,81 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 21*27=567, Resulting Numbers: [567] 567,81 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 #0,0,3 Current State: 81:[21, 9], Operations: ['60-39=21', '18-9=9'] Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,81 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,81 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,81 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 #0,0,0 Current State: 81:[21, 2], Operations: ['60-39=21', '18/9=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,81 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,81 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,81 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:[39, 9, 78], Operations: ['18+60=78'] Exploring Operation: 9+78=87, Resulting Numbers: [39, 87] Generated Node #0,1,0: 81:[39, 87] Operation: 9+78=87 Exploring Operation: 78/39=2, Resulting Numbers: [9, 2] Generated Node #0,1,1: 81:[9, 2] Operation: 78/39=2 Exploring Operation: 39-9=30, Resulting Numbers: [78, 30] Generated Node #0,1,2: 81:[78, 30] Operation: 39-9=30 Exploring Operation: 78-39=39, Resulting Numbers: [9, 39] Generated Node #0,1,3: 81:[9, 39] Operation: 78-39=39 Moving to Node #0,3 Current State: 81:[60, 9, 21], Operations: ['39-18=21'] Exploring Operation: 9+21=30, Resulting Numbers: [60, 30] Generated Node #0,3,0: 81:[60, 30] Operation: 9+21=30 Exploring Operation: 60+9=69, Resulting Numbers: [21, 69] Generated Node #0,3,1: 81:[21, 69] Operation: 60+9=69 Exploring Operation: 60-21=39, Resulting Numbers: [9, 39] Generated Node #0,3,2: 81:[9, 39] Operation: 60-21=39 Exploring Operation: 60+21=81, Resulting Numbers: [9, 81] Generated Node #0,3,3: 81:[9, 81] Operation: 60+21=81 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 81:[9, 81], Operations: ['39-18=21', '60+21=81'] Exploring Operation: 9+81=90, Resulting Numbers: [90] 90,81 unequal: No Solution Exploring Operation: 9*81=729, Resulting Numbers: [729] 729,81 unequal: No Solution Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 81:[9, 39], Operations: ['39-18=21', '60-21=39'] Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,81 unequal: No Solution Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,81 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,81 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 #0,3,1 Current State: 81:[21, 69], Operations: ['39-18=21', '60+9=69'] Exploring Operation: 21+69=90, Resulting Numbers: [90] 90,81 unequal: No Solution Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,81 unequal: No Solution Exploring Operation: 21*69=1449, Resulting Numbers: [1449] 1449,81 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 #0,3,0 Current State: 81:[60, 30], Operations: ['39-18=21', '9+21=30'] Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 60+30=90, Resulting Numbers: [90] 90,81 unequal: No Solution Exploring Operation: 60*30=1800, Resulting Numbers: [1800] 1800,81 unequal: No Solution Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,81 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: 81:[39, 9, 42], Operations: ['60-18=42'] Exploring Operation: 39+42=81, Resulting Numbers: [9, 81] Generated Node #0,2,0: 81:[9, 81] Operation: 39+42=81 Exploring Operation: 39-9=30, Resulting Numbers: [42, 30] Generated Node #0,2,1: 81:[42, 30] Operation: 39-9=30 Exploring Operation: 42-9=33, Resulting Numbers: [39, 33] Generated Node #0,2,2: 81:[39, 33] Operation: 42-9=33 Exploring Operation: 42-39=3, Resulting Numbers: [9, 3] Generated Node #0,2,3: 81:[9, 3] Operation: 42-39=3 Moving to Node #0,2,0 Current State: 81:[9, 81], Operations: ['60-18=42', '39+42=81'] Exploring Operation: 9+81=90, Resulting Numbers: [90] 90,81 unequal: No Solution Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 9*81=729, Resulting Numbers: [729] 729,81 unequal: No Solution Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[9, 3], Operations: ['60-18=42', '42-39=3'] Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,81 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[9, 2], Operations: ['18+60=78', '78/39=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,81 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,81 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[78, 30], Operations: ['18+60=78', '39-9=30'] Exploring Operation: 78-30=48, Resulting Numbers: [48] 48,81 unequal: No Solution Exploring Operation: 78+30=108, Resulting Numbers: [108] 108,81 unequal: No Solution Exploring Operation: 78*30=2340, Resulting Numbers: [2340] 2340,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[9, 39], Operations: ['18+60=78', '78-39=39'] Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,81 unequal: No Solution Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,81 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[39, 33], Operations: ['60-18=42', '42-9=33'] Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,81 unequal: No Solution Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[42, 30], Operations: ['60-18=42', '39-9=30'] Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,81 unequal: No Solution Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[39, 87], Operations: ['18+60=78', '9+78=87'] Exploring Operation: 39*87=3393, Resulting Numbers: [3393] 3393,81 unequal: No Solution Exploring Operation: 39+87=126, Resulting Numbers: [126] 126,81 unequal: No Solution Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,81 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 83, 21, 98, 76 ]
40
[ "83-21=62", "98-76=22", "62-22=40" ]
Current State: 40:[83, 21, 98, 76], Operations: [] Exploring Operation: 83-21=62, Resulting Numbers: [98, 76, 62] Generated Node #2: [98, 76, 62] from Operation: 83-21=62 Current State: 40:[98, 76, 62], Operations: ['83-21=62'] Exploring Operation: 98-76=22, Resulting Numbers: [62, 22] Generated Node #3: [62, 22] from Operation: 98-76=22 Current State: 40:[62, 22], Operations: ['83-21=62', '98-76=22'] Exploring Operation: 62-22=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[83, 21, 98, 76], Operations: [] Exploring Operation: 83-76=7, Resulting Numbers: [21, 98, 7] Generated Node #0,0: 40:[21, 98, 7] Operation: 83-76=7 Exploring Operation: 83-21=62, Resulting Numbers: [98, 76, 62] Generated Node #0,1: 40:[98, 76, 62] Operation: 83-21=62 Exploring Operation: 98-76=22, Resulting Numbers: [83, 21, 22] Generated Node #0,2: 40:[83, 21, 22] Operation: 98-76=22 Exploring Operation: 98-21=77, Resulting Numbers: [83, 76, 77] Generated Node #0,3: 40:[83, 76, 77] Operation: 98-21=77 Exploring Operation: 98-83=15, Resulting Numbers: [21, 76, 15] Generated Node #0,4: 40:[21, 76, 15] Operation: 98-83=15 Moving to Node #0,4 Current State: 40:[21, 76, 15], Operations: ['98-83=15'] Exploring Operation: 76-21=55, Resulting Numbers: [15, 55] Generated Node #0,4,0: 40:[15, 55] Operation: 76-21=55 Exploring Operation: 21-15=6, Resulting Numbers: [76, 6] Generated Node #0,4,1: 40:[76, 6] Operation: 21-15=6 Exploring Operation: 76+15=91, Resulting Numbers: [21, 91] Generated Node #0,4,2: 40:[21, 91] Operation: 76+15=91 Exploring Operation: 76-15=61, Resulting Numbers: [21, 61] Generated Node #0,4,3: 40:[21, 61] Operation: 76-15=61 Exploring Operation: 21+15=36, Resulting Numbers: [76, 36] Generated Node #0,4,4: 40:[76, 36] Operation: 21+15=36 Moving to Node #0,2 Current State: 40:[83, 21, 22], Operations: ['98-76=22'] Exploring Operation: 21+22=43, Resulting Numbers: [83, 43] Generated Node #0,2,0: 40:[83, 43] Operation: 21+22=43 Exploring Operation: 83+21=104, Resulting Numbers: [22, 104] Generated Node #0,2,1: 40:[22, 104] Operation: 83+21=104 Exploring Operation: 83-22=61, Resulting Numbers: [21, 61] Generated Node #0,2,2: 40:[21, 61] Operation: 83-22=61 Exploring Operation: 83-21=62, Resulting Numbers: [22, 62] Generated Node #0,2,3: 40:[22, 62] Operation: 83-21=62 Exploring Operation: 22-21=1, Resulting Numbers: [83, 1] Generated Node #0,2,4: 40:[83, 1] Operation: 22-21=1 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 40:[21, 61], Operations: ['98-76=22', '83-22=61'] Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,40 unequal: No Solution Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[83, 21, 98, 76], Operations: [] Exploring Operation: 98-76=22, Resulting Numbers: [83, 21, 22] Generated Node #0,2: 40:[83, 21, 22] Operation: 98-76=22 Moving to Node #0,2 Current State: 40:[83, 21, 22], Operations: ['98-76=22'] Exploring Operation: 83-22=61, Resulting Numbers: [21, 61] Generated Node #0,2,2: 40:[21, 61] Operation: 83-22=61 Moving to Node #0,2,2 Current State: 40:[21, 61], Operations: ['98-76=22', '83-22=61'] Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 75, 56, 92, 77 ]
51
[ "92-77=15", "75/15=5", "56-5=51" ]
Current State: 51:[75, 56, 92, 77], Operations: [] Exploring Operation: 92-77=15, Resulting Numbers: [75, 56, 15] Generated Node #2: [75, 56, 15] from Operation: 92-77=15 Current State: 51:[75, 56, 15], Operations: ['92-77=15'] Exploring Operation: 75/15=5, Resulting Numbers: [56, 5] Generated Node #3: [56, 5] from Operation: 75/15=5 Current State: 51:[56, 5], Operations: ['92-77=15', '75/15=5'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[75, 56, 92, 77], Operations: [] Exploring Operation: 92-75=17, Resulting Numbers: [56, 77, 17] Generated Node #0,0: 51:[56, 77, 17] Operation: 92-75=17 Exploring Operation: 77-75=2, Resulting Numbers: [56, 92, 2] Generated Node #0,1: 51:[56, 92, 2] Operation: 77-75=2 Exploring Operation: 92-77=15, Resulting Numbers: [75, 56, 15] Generated Node #0,2: 51:[75, 56, 15] Operation: 92-77=15 Moving to Node #0,0 Current State: 51:[56, 77, 17], Operations: ['92-75=17'] Exploring Operation: 56-17=39, Resulting Numbers: [77, 39] Generated Node #0,0,0: 51:[77, 39] Operation: 56-17=39 Exploring Operation: 77-17=60, Resulting Numbers: [56, 60] Generated Node #0,0,1: 51:[56, 60] Operation: 77-17=60 Exploring Operation: 77-56=21, Resulting Numbers: [17, 21] Generated Node #0,0,2: 51:[17, 21] Operation: 77-56=21 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 51:[17, 21], Operations: ['92-75=17', '77-56=21'] Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 17*21=357, Resulting Numbers: [357] 357,51 unequal: No Solution Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,51 unequal: No Solution No 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: 51:[56, 60], Operations: ['92-75=17', '77-17=60'] Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 56*60=3360, Resulting Numbers: [3360] 3360,51 unequal: No Solution Exploring Operation: 56+60=116, Resulting Numbers: [116] 116,51 unequal: No Solution No 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: 51:[77, 39], Operations: ['92-75=17', '56-17=39'] Exploring Operation: 77-39=38, Resulting Numbers: [38] 38,51 unequal: No Solution Exploring Operation: 77+39=116, Resulting Numbers: [116] 116,51 unequal: No Solution Exploring Operation: 77*39=3003, Resulting Numbers: [3003] 3003,51 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: 51:[75, 56, 15], Operations: ['92-77=15'] Exploring Operation: 75-56=19, Resulting Numbers: [15, 19] Generated Node #0,2,0: 51:[15, 19] Operation: 75-56=19 Exploring Operation: 75-15=60, Resulting Numbers: [56, 60] Generated Node #0,2,1: 51:[56, 60] Operation: 75-15=60 Exploring Operation: 75/15=5, Resulting Numbers: [56, 5] Generated Node #0,2,2: 51:[56, 5] Operation: 75/15=5 Moving to Node #0,1 Current State: 51:[56, 92, 2], Operations: ['77-75=2'] Exploring Operation: 56-2=54, Resulting Numbers: [92, 54] Generated Node #0,1,0: 51:[92, 54] Operation: 56-2=54 Exploring Operation: 92/2=46, Resulting Numbers: [56, 46] Generated Node #0,1,1: 51:[56, 46] Operation: 92/2=46 Exploring Operation: 92-56=36, Resulting Numbers: [2, 36] Generated Node #0,1,2: 51:[2, 36] Operation: 92-56=36 Moving to Node #0,2,0 Current State: 51:[15, 19], Operations: ['92-77=15', '75-56=19'] Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,51 unequal: No Solution Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,51 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[56, 5], Operations: ['92-77=15', '75/15=5'] Exploring Operation: 56*5=280, Resulting Numbers: [280] 280,51 unequal: No Solution Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[75, 56, 92, 77], Operations: [] Exploring Operation: 92-77=15, Resulting Numbers: [75, 56, 15] Generated Node #0,2: 51:[75, 56, 15] Operation: 92-77=15 Moving to Node #0,2 Current State: 51:[75, 56, 15], Operations: ['92-77=15'] Exploring Operation: 75/15=5, Resulting Numbers: [56, 5] Generated Node #0,2,2: 51:[56, 5] Operation: 75/15=5 Moving to Node #0,2,2 Current State: 51:[56, 5], Operations: ['92-77=15', '75/15=5'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
0.973958
hs_3
sum_heuristic
[ 13, 6, 26, 4 ]
26
[ "13*6=78", "26*4=104", "104-78=26" ]
Current State: 26:[13, 6, 26, 4], Operations: [] Exploring Operation: 13*6=78, Resulting Numbers: [26, 4, 78] Generated Node #2: [26, 4, 78] from Operation: 13*6=78 Current State: 26:[26, 4, 78], Operations: ['13*6=78'] Exploring Operation: 26*4=104, Resulting Numbers: [78, 104] Generated Node #3: [78, 104] from Operation: 26*4=104 Current State: 26:[78, 104], Operations: ['13*6=78', '26*4=104'] Exploring Operation: 104-78=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[13, 6, 26, 4], Operations: [] Exploring Operation: 6*4=24, Resulting Numbers: [13, 26, 24] Generated Node #0,0: 26:[13, 26, 24] Operation: 6*4=24 Exploring Operation: 6-4=2, Resulting Numbers: [13, 26, 2] Generated Node #0,1: 26:[13, 26, 2] Operation: 6-4=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[13, 26, 2], Operations: ['6-4=2'] Exploring Operation: 26/13=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 26:[2, 2] Operation: 26/13=2 Exploring Operation: 26-13=13, Resulting Numbers: [2, 13] Generated Node #0,1,1: 26:[2, 13] Operation: 26-13=13 Moving to Node #0,1,0 Current State: 26:[2, 2], Operations: ['6-4=2', '26/13=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[2, 13], Operations: ['6-4=2', '26-13=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[13, 6, 26, 4], Operations: [] Exploring Operation: 6-4=2, Resulting Numbers: [13, 26, 2] Generated Node #0,1: 26:[13, 26, 2] Operation: 6-4=2 Moving to Node #0,1 Current State: 26:[13, 26, 2], Operations: ['6-4=2'] Exploring Operation: 26-13=13, Resulting Numbers: [2, 13] Generated Node #0,1,1: 26:[2, 13] Operation: 26-13=13 Moving to Node #0,1,1 Current State: 26:[2, 13], Operations: ['6-4=2', '26-13=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 71, 84, 8, 14 ]
76
[ "84*14=1176", "1176/8=147", "147-71=76" ]
Current State: 76:[71, 84, 8, 14], Operations: [] Exploring Operation: 84*14=1176, Resulting Numbers: [71, 8, 1176] Generated Node #2: [71, 8, 1176] from Operation: 84*14=1176 Current State: 76:[71, 8, 1176], Operations: ['84*14=1176'] Exploring Operation: 1176/8=147, Resulting Numbers: [71, 147] Generated Node #3: [71, 147] from Operation: 1176/8=147 Current State: 76:[71, 147], Operations: ['84*14=1176', '1176/8=147'] Exploring Operation: 147-71=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[71, 84, 8, 14], Operations: [] Exploring Operation: 84-8=76, Resulting Numbers: [71, 14, 76] Generated Node #0,0: 76:[71, 14, 76] Operation: 84-8=76 Exploring Operation: 84-71=13, Resulting Numbers: [8, 14, 13] Generated Node #0,1: 76:[8, 14, 13] Operation: 84-71=13 Exploring Operation: 84/14=6, Resulting Numbers: [71, 8, 6] Generated Node #0,2: 76:[71, 8, 6] Operation: 84/14=6 Moving to Node #0,0 Current State: 76:[71, 14, 76], Operations: ['84-8=76'] Exploring Operation: 71-14=57, Resulting Numbers: [76, 57] Generated Node #0,0,0: 76:[76, 57] Operation: 71-14=57 Exploring Operation: 71+14=85, Resulting Numbers: [76, 85] Generated Node #0,0,1: 76:[76, 85] Operation: 71+14=85 Exploring Operation: 76-71=5, Resulting Numbers: [14, 5] Generated Node #0,0,2: 76:[14, 5] Operation: 76-71=5 Moving to Node #0,2 Current State: 76:[71, 8, 6], Operations: ['84/14=6'] Exploring Operation: 71+6=77, Resulting Numbers: [8, 77] Generated Node #0,2,0: 76:[8, 77] Operation: 71+6=77 Exploring Operation: 71+8=79, Resulting Numbers: [6, 79] Generated Node #0,2,1: 76:[6, 79] Operation: 71+8=79 Exploring Operation: 8-6=2, Resulting Numbers: [71, 2] Generated Node #0,2,2: 76:[71, 2] Operation: 8-6=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 76:[8, 77], Operations: ['84/14=6', '71+6=77'] Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 8+77=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 8*77=616, Resulting Numbers: [616] 616,76 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 #0,2,1 Current State: 76:[6, 79], Operations: ['84/14=6', '71+8=79'] Exploring Operation: 6+79=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,76 unequal: No Solution Exploring Operation: 6*79=474, Resulting Numbers: [474] 474,76 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 #0,2,2 Current State: 76:[71, 2], Operations: ['84/14=6', '8-6=2'] Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,76 unequal: No Solution Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,76 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,76 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: 76:[8, 14, 13], Operations: ['84-71=13'] Exploring Operation: 8+13=21, Resulting Numbers: [14, 21] Generated Node #0,1,0: 76:[14, 21] Operation: 8+13=21 Exploring Operation: 14-13=1, Resulting Numbers: [8, 1] Generated Node #0,1,1: 76:[8, 1] Operation: 14-13=1 Exploring Operation: 13-8=5, Resulting Numbers: [14, 5] Generated Node #0,1,2: 76:[14, 5] Operation: 13-8=5 Moving to Node #0,1,1 Current State: 76:[8, 1], Operations: ['84-71=13', '14-13=1'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[14, 5], Operations: ['84-8=76', '76-71=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[14, 5], Operations: ['84-71=13', '13-8=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,76 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[14, 21], Operations: ['84-71=13', '8+13=21'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,76 unequal: No Solution Exploring Operation: 14+21=35, Resulting Numbers: [35] 35,76 unequal: No Solution Exploring Operation: 14*21=294, Resulting Numbers: [294] 294,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[76, 85], Operations: ['84-8=76', '71+14=85'] Exploring Operation: 85-76=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 76*85=6460, Resulting Numbers: [6460] 6460,76 unequal: No Solution Exploring Operation: 76+85=161, Resulting Numbers: [161] 161,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[76, 57], Operations: ['84-8=76', '71-14=57'] Exploring Operation: 76-57=19, Resulting Numbers: [19] 19,76 unequal: No Solution Exploring Operation: 76*57=4332, Resulting Numbers: [4332] 4332,76 unequal: No Solution Exploring Operation: 76+57=133, Resulting Numbers: [133] 133,76 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 56, 50, 95, 10 ]
85
[ "50*95=4750", "10+4750=4760", "4760/56=85" ]
Current State: 85:[56, 50, 95, 10], Operations: [] Exploring Operation: 50*95=4750, Resulting Numbers: [56, 10, 4750] Generated Node #2: [56, 10, 4750] from Operation: 50*95=4750 Current State: 85:[56, 10, 4750], Operations: ['50*95=4750'] Exploring Operation: 10+4750=4760, Resulting Numbers: [56, 4760] Generated Node #3: [56, 4760] from Operation: 10+4750=4760 Current State: 85:[56, 4760], Operations: ['50*95=4750', '10+4750=4760'] Exploring Operation: 4760/56=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[56, 50, 95, 10], Operations: [] Exploring Operation: 56-50=6, Resulting Numbers: [95, 10, 6] Generated Node #0,0: 85:[95, 10, 6] Operation: 56-50=6 Exploring Operation: 56+50=106, Resulting Numbers: [95, 10, 106] Generated Node #0,1: 85:[95, 10, 106] Operation: 56+50=106 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[95, 10, 6], Operations: ['56-50=6'] Exploring Operation: 95-10=85, Resulting Numbers: [6, 85] Generated Node #0,0,0: 85:[6, 85] Operation: 95-10=85 Exploring Operation: 95-6=89, Resulting Numbers: [10, 89] Generated Node #0,0,1: 85:[10, 89] Operation: 95-6=89 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[6, 85], Operations: ['56-50=6', '95-10=85'] Exploring Operation: 85-6=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 6+85=91, Resulting Numbers: [91] 91,85 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 #0,0,1 Current State: 85:[10, 89], Operations: ['56-50=6', '95-6=89'] Exploring Operation: 89-10=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 10+89=99, Resulting Numbers: [99] 99,85 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 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[95, 10, 106], Operations: ['56+50=106'] Exploring Operation: 106-95=11, Resulting Numbers: [10, 11] Generated Node #0,1,0: 85:[10, 11] Operation: 106-95=11 Exploring Operation: 95-10=85, Resulting Numbers: [106, 85] Generated Node #0,1,1: 85:[106, 85] Operation: 95-10=85 Moving to Node #0,1,0 Current State: 85:[10, 11], Operations: ['56+50=106', '106-95=11'] Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,85 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[106, 85], Operations: ['56+50=106', '95-10=85'] Exploring Operation: 106+85=191, Resulting Numbers: [191] 191,85 unequal: No Solution Exploring Operation: 106-85=21, Resulting Numbers: [21] 21,85 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
[ 22, 30, 74, 69 ]
16
[ "74-69=5", "30/5=6", "22-6=16" ]
Current State: 16:[22, 30, 74, 69], Operations: [] Exploring Operation: 74-69=5, Resulting Numbers: [22, 30, 5] Generated Node #2: [22, 30, 5] from Operation: 74-69=5 Current State: 16:[22, 30, 5], Operations: ['74-69=5'] Exploring Operation: 30/5=6, Resulting Numbers: [22, 6] Generated Node #3: [22, 6] from Operation: 30/5=6 Current State: 16:[22, 6], Operations: ['74-69=5', '30/5=6'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[22, 30, 74, 69], Operations: [] Exploring Operation: 74-69=5, Resulting Numbers: [22, 30, 5] Generated Node #0,0: 16:[22, 30, 5] Operation: 74-69=5 Exploring Operation: 69-30=39, Resulting Numbers: [22, 74, 39] Generated Node #0,1: 16:[22, 74, 39] Operation: 69-30=39 Exploring Operation: 74-30=44, Resulting Numbers: [22, 69, 44] Generated Node #0,2: 16:[22, 69, 44] Operation: 74-30=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[22, 30, 5], Operations: ['74-69=5'] Exploring Operation: 30-22=8, Resulting Numbers: [5, 8] Generated Node #0,0,0: 16:[5, 8] Operation: 30-22=8 Exploring Operation: 22-5=17, Resulting Numbers: [30, 17] Generated Node #0,0,1: 16:[30, 17] Operation: 22-5=17 Exploring Operation: 30/5=6, Resulting Numbers: [22, 6] Generated Node #0,0,2: 16:[22, 6] Operation: 30/5=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[5, 8], Operations: ['74-69=5', '30-22=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,16 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,16 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 16:[22, 6], Operations: ['74-69=5', '30/5=6'] Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,16 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,16 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[22, 30, 74, 69], Operations: [] Exploring Operation: 74-69=5, Resulting Numbers: [22, 30, 5] Generated Node #0,0: 16:[22, 30, 5] Operation: 74-69=5 Moving to Node #0,0 Current State: 16:[22, 30, 5], Operations: ['74-69=5'] Exploring Operation: 30/5=6, Resulting Numbers: [22, 6] Generated Node #0,0,2: 16:[22, 6] Operation: 30/5=6 Moving to Node #0,0,2 Current State: 16:[22, 6], Operations: ['74-69=5', '30/5=6'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 51, 34, 65, 81 ]
61
[ "51+34=85", "65+81=146", "146-85=61" ]
Current State: 61:[51, 34, 65, 81], Operations: [] Exploring Operation: 51+34=85, Resulting Numbers: [65, 81, 85] Generated Node #2: [65, 81, 85] from Operation: 51+34=85 Current State: 61:[65, 81, 85], Operations: ['51+34=85'] Exploring Operation: 65+81=146, Resulting Numbers: [85, 146] Generated Node #3: [85, 146] from Operation: 65+81=146 Current State: 61:[85, 146], Operations: ['51+34=85', '65+81=146'] Exploring Operation: 146-85=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[51, 34, 65, 81], Operations: [] Exploring Operation: 81-51=30, Resulting Numbers: [34, 65, 30] Generated Node #0,0: 61:[34, 65, 30] Operation: 81-51=30 Exploring Operation: 65-34=31, Resulting Numbers: [51, 81, 31] Generated Node #0,1: 61:[51, 81, 31] Operation: 65-34=31 Exploring Operation: 51+34=85, Resulting Numbers: [65, 81, 85] Generated Node #0,2: 61:[65, 81, 85] Operation: 51+34=85 Exploring Operation: 81-34=47, Resulting Numbers: [51, 65, 47] Generated Node #0,3: 61:[51, 65, 47] Operation: 81-34=47 Moving to Node #0,3 Current State: 61:[51, 65, 47], Operations: ['81-34=47'] Exploring Operation: 51+47=98, Resulting Numbers: [65, 98] Generated Node #0,3,0: 61:[65, 98] Operation: 51+47=98 Exploring Operation: 51-47=4, Resulting Numbers: [65, 4] Generated Node #0,3,1: 61:[65, 4] Operation: 51-47=4 Exploring Operation: 65-47=18, Resulting Numbers: [51, 18] Generated Node #0,3,2: 61:[51, 18] Operation: 65-47=18 Exploring Operation: 65-51=14, Resulting Numbers: [47, 14] Generated Node #0,3,3: 61:[47, 14] Operation: 65-51=14 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 61:[65, 98], Operations: ['81-34=47', '51+47=98'] Exploring Operation: 98-65=33, Resulting Numbers: [33] 33,61 unequal: No Solution Exploring Operation: 65*98=6370, Resulting Numbers: [6370] 6370,61 unequal: No Solution Exploring Operation: 65+98=163, Resulting Numbers: [163] 163,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 61:[51, 18], Operations: ['81-34=47', '65-47=18'] Exploring Operation: 51*18=918, Resulting Numbers: [918] 918,61 unequal: No Solution Exploring Operation: 51+18=69, Resulting Numbers: [69] 69,61 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 61:[65, 4], Operations: ['81-34=47', '51-47=4'] Exploring Operation: 65+4=69, Resulting Numbers: [69] 69,61 unequal: No Solution Exploring Operation: 65*4=260, Resulting Numbers: [260] 260,61 unequal: No Solution Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[51, 34, 65, 81], Operations: [] Exploring Operation: 81-34=47, Resulting Numbers: [51, 65, 47] Generated Node #0,3: 61:[51, 65, 47] Operation: 81-34=47 Moving to Node #0,3 Current State: 61:[51, 65, 47], Operations: ['81-34=47'] Exploring Operation: 51-47=4, Resulting Numbers: [65, 4] Generated Node #0,3,1: 61:[65, 4] Operation: 51-47=4 Moving to Node #0,3,1 Current State: 61:[65, 4], Operations: ['81-34=47', '51-47=4'] Exploring Operation: 65-4=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 61, 10, 39, 96 ]
40
[ "61+39=100", "100-96=4", "10*4=40" ]
Current State: 40:[61, 10, 39, 96], Operations: [] Exploring Operation: 61+39=100, Resulting Numbers: [10, 96, 100] Generated Node #2: [10, 96, 100] from Operation: 61+39=100 Current State: 40:[10, 96, 100], Operations: ['61+39=100'] Exploring Operation: 100-96=4, Resulting Numbers: [10, 4] Generated Node #3: [10, 4] from Operation: 100-96=4 Current State: 40:[10, 4], Operations: ['61+39=100', '100-96=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[61, 10, 39, 96], Operations: [] Exploring Operation: 96-61=35, Resulting Numbers: [10, 39, 35] Generated Node #0,0: 40:[10, 39, 35] Operation: 96-61=35 Exploring Operation: 96-39=57, Resulting Numbers: [61, 10, 57] Generated Node #0,1: 40:[61, 10, 57] Operation: 96-39=57 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[10, 39, 35], Operations: ['96-61=35'] Exploring Operation: 10+35=45, Resulting Numbers: [39, 45] Generated Node #0,0,0: 40:[39, 45] Operation: 10+35=45 Exploring Operation: 39-35=4, Resulting Numbers: [10, 4] Generated Node #0,0,1: 40:[10, 4] Operation: 39-35=4 Moving to Node #0,0,1 Current State: 40:[10, 4], Operations: ['96-61=35', '39-35=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[61, 10, 39, 96], Operations: [] Exploring Operation: 96-61=35, Resulting Numbers: [10, 39, 35] Generated Node #0,0: 40:[10, 39, 35] Operation: 96-61=35 Moving to Node #0,0 Current State: 40:[10, 39, 35], Operations: ['96-61=35'] Exploring Operation: 39-35=4, Resulting Numbers: [10, 4] Generated Node #0,0,1: 40:[10, 4] Operation: 39-35=4 Moving to Node #0,0,1 Current State: 40:[10, 4], Operations: ['96-61=35', '39-35=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 64, 18, 6, 56 ]
24
[ "64-56=8", "18/6=3", "8*3=24" ]
Current State: 24:[64, 18, 6, 56], Operations: [] Exploring Operation: 64-56=8, Resulting Numbers: [18, 6, 8] Generated Node #2: [18, 6, 8] from Operation: 64-56=8 Current State: 24:[18, 6, 8], Operations: ['64-56=8'] Exploring Operation: 18/6=3, Resulting Numbers: [8, 3] Generated Node #3: [8, 3] from Operation: 18/6=3 Current State: 24:[8, 3], Operations: ['64-56=8', '18/6=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[64, 18, 6, 56], Operations: [] Exploring Operation: 64-56=8, Resulting Numbers: [18, 6, 8] Generated Node #0,0: 24:[18, 6, 8] Operation: 64-56=8 Exploring Operation: 64-18=46, Resulting Numbers: [6, 56, 46] Generated Node #0,1: 24:[6, 56, 46] Operation: 64-18=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[18, 6, 8], Operations: ['64-56=8'] Exploring Operation: 18+6=24, Resulting Numbers: [8, 24] Generated Node #0,0,0: 24:[8, 24] Operation: 18+6=24 Exploring Operation: 18-6=12, Resulting Numbers: [8, 12] Generated Node #0,0,1: 24:[8, 12] Operation: 18-6=12 Moving to Node #0,0,0 Current State: 24:[8, 24], Operations: ['64-56=8', '18+6=24'] Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,24 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[8, 12], Operations: ['64-56=8', '18-6=12'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,24 unequal: No Solution No 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: 24:[6, 56, 46], Operations: ['64-18=46'] Exploring Operation: 56-46=10, Resulting Numbers: [6, 10] Generated Node #0,1,0: 24:[6, 10] Operation: 56-46=10 Exploring Operation: 56-6=50, Resulting Numbers: [46, 50] Generated Node #0,1,1: 24:[46, 50] Operation: 56-6=50 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 24:[6, 10], Operations: ['64-18=46', '56-46=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,24 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[46, 50], Operations: ['64-18=46', '56-6=50'] Exploring Operation: 46+50=96, Resulting Numbers: [96] 96,24 unequal: No Solution Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,24 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