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
[ 33, 21, 9, 92 ]
86
[ "33+21=54", "54/9=6", "92-6=86" ]
Current State: 86:[33, 21, 9, 92], Operations: [] Exploring Operation: 33+21=54, Resulting Numbers: [9, 92, 54] Generated Node #2: [9, 92, 54] from Operation: 33+21=54 Current State: 86:[9, 92, 54], Operations: ['33+21=54'] Exploring Operation: 54/9=6, Resulting Numbers: [92, 6] Generated Node #3: [92, 6] from Operation: 54/9=6 Current State: 86:[92, 6], Operations: ['33+21=54', '54/9=6'] Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[33, 21, 9, 92], Operations: [] Exploring Operation: 33+9=42, Resulting Numbers: [21, 92, 42] Generated Node #0,0: 86:[21, 92, 42] Operation: 33+9=42 Exploring Operation: 33+21=54, Resulting Numbers: [9, 92, 54] Generated Node #0,1: 86:[9, 92, 54] Operation: 33+21=54 Exploring Operation: 33-21=12, Resulting Numbers: [9, 92, 12] Generated Node #0,2: 86:[9, 92, 12] Operation: 33-21=12 Exploring Operation: 21-9=12, Resulting Numbers: [33, 92, 12] Generated Node #0,3: 86:[33, 92, 12] Operation: 21-9=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[9, 92, 12], Operations: ['33-21=12'] Exploring Operation: 12-9=3, Resulting Numbers: [92, 3] Generated Node #0,2,0: 86:[92, 3] Operation: 12-9=3 Exploring Operation: 9+92=101, Resulting Numbers: [12, 101] Generated Node #0,2,1: 86:[12, 101] Operation: 9+92=101 Exploring Operation: 92-12=80, Resulting Numbers: [9, 80] Generated Node #0,2,2: 86:[9, 80] Operation: 92-12=80 Exploring Operation: 92-9=83, Resulting Numbers: [12, 83] Generated Node #0,2,3: 86:[12, 83] Operation: 92-9=83 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 86:[92, 3], Operations: ['33-21=12', '12-9=3'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,86 unequal: No Solution Exploring Operation: 92*3=276, Resulting Numbers: [276] 276,86 unequal: No Solution No 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: 86:[9, 80], Operations: ['33-21=12', '92-12=80'] Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,86 unequal: No Solution Exploring Operation: 9+80=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 9*80=720, Resulting Numbers: [720] 720,86 unequal: No Solution No 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: 86:[12, 83], Operations: ['33-21=12', '92-9=83'] Exploring Operation: 12*83=996, Resulting Numbers: [996] 996,86 unequal: No Solution Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,86 unequal: No Solution Exploring Operation: 12+83=95, Resulting Numbers: [95] 95,86 unequal: No Solution No 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: 86:[12, 101], Operations: ['33-21=12', '9+92=101'] Exploring Operation: 12*101=1212, Resulting Numbers: [1212] 1212,86 unequal: No Solution Exploring Operation: 101-12=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 12+101=113, Resulting Numbers: [113] 113,86 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: 86:[9, 92, 54], Operations: ['33+21=54'] Exploring Operation: 92-54=38, Resulting Numbers: [9, 38] Generated Node #0,1,0: 86:[9, 38] Operation: 92-54=38 Exploring Operation: 54-9=45, Resulting Numbers: [92, 45] Generated Node #0,1,1: 86:[92, 45] Operation: 54-9=45 Exploring Operation: 92-9=83, Resulting Numbers: [54, 83] Generated Node #0,1,2: 86:[54, 83] Operation: 92-9=83 Exploring Operation: 54/9=6, Resulting Numbers: [92, 6] Generated Node #0,1,3: 86:[92, 6] Operation: 54/9=6 Moving to Node #0,1,1 Current State: 86:[92, 45], Operations: ['33+21=54', '54-9=45'] Exploring Operation: 92*45=4140, Resulting Numbers: [4140] 4140,86 unequal: No Solution Exploring Operation: 92-45=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 92+45=137, Resulting Numbers: [137] 137,86 unequal: No Solution Moving to Node #0,1,3 Current State: 86:[92, 6], Operations: ['33+21=54', '54/9=6'] Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[33, 21, 9, 92], Operations: [] Exploring Operation: 33+21=54, Resulting Numbers: [9, 92, 54] Generated Node #0,1: 86:[9, 92, 54] Operation: 33+21=54 Moving to Node #0,1 Current State: 86:[9, 92, 54], Operations: ['33+21=54'] Exploring Operation: 54/9=6, Resulting Numbers: [92, 6] Generated Node #0,1,3: 86:[92, 6] Operation: 54/9=6 Moving to Node #0,1,3 Current State: 86:[92, 6], Operations: ['33+21=54', '54/9=6'] Exploring Operation: 92-6=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 39, 23, 41, 51 ]
35
[ "41+51=92", "92/23=4", "39-4=35" ]
Current State: 35:[39, 23, 41, 51], Operations: [] Exploring Operation: 41+51=92, Resulting Numbers: [39, 23, 92] Generated Node #2: [39, 23, 92] from Operation: 41+51=92 Current State: 35:[39, 23, 92], Operations: ['41+51=92'] Exploring Operation: 92/23=4, Resulting Numbers: [39, 4] Generated Node #3: [39, 4] from Operation: 92/23=4 Current State: 35:[39, 4], Operations: ['41+51=92', '92/23=4'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[39, 23, 41, 51], Operations: [] Exploring Operation: 51-39=12, Resulting Numbers: [23, 41, 12] Generated Node #0,0: 35:[23, 41, 12] Operation: 51-39=12 Exploring Operation: 51-41=10, Resulting Numbers: [39, 23, 10] Generated Node #0,1: 35:[39, 23, 10] Operation: 51-41=10 Exploring Operation: 51-23=28, Resulting Numbers: [39, 41, 28] Generated Node #0,2: 35:[39, 41, 28] Operation: 51-23=28 Moving to Node #0,2 Current State: 35:[39, 41, 28], Operations: ['51-23=28'] Exploring Operation: 41-39=2, Resulting Numbers: [28, 2] Generated Node #0,2,0: 35:[28, 2] Operation: 41-39=2 Exploring Operation: 41-28=13, Resulting Numbers: [39, 13] Generated Node #0,2,1: 35:[39, 13] Operation: 41-28=13 Exploring Operation: 39-28=11, Resulting Numbers: [41, 11] Generated Node #0,2,2: 35:[41, 11] Operation: 39-28=11 Moving to Node #0,1 Current State: 35:[39, 23, 10], Operations: ['51-41=10'] Exploring Operation: 39-23=16, Resulting Numbers: [10, 16] Generated Node #0,1,0: 35:[10, 16] Operation: 39-23=16 Exploring Operation: 23+10=33, Resulting Numbers: [39, 33] Generated Node #0,1,1: 35:[39, 33] Operation: 23+10=33 Exploring Operation: 23-10=13, Resulting Numbers: [39, 13] Generated Node #0,1,2: 35:[39, 13] Operation: 23-10=13 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[39, 33], Operations: ['51-41=10', '23+10=33'] Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,35 unequal: No Solution Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[39, 13], Operations: ['51-41=10', '23-10=13'] Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,35 unequal: No Solution Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[10, 16], Operations: ['51-41=10', '39-23=16'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,35 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,35 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: 35:[23, 41, 12], Operations: ['51-39=12'] Exploring Operation: 23+12=35, Resulting Numbers: [41, 35] Generated Node #0,0,0: 35:[41, 35] Operation: 23+12=35 Exploring Operation: 23-12=11, Resulting Numbers: [41, 11] Generated Node #0,0,1: 35:[41, 11] Operation: 23-12=11 Exploring Operation: 41-23=18, Resulting Numbers: [12, 18] Generated Node #0,0,2: 35:[12, 18] Operation: 41-23=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[41, 35], Operations: ['51-39=12', '23+12=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,35 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,35 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[41, 11], Operations: ['51-39=12', '23-12=11'] Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,35 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,35 unequal: No Solution Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 35:[12, 18], Operations: ['51-39=12', '41-23=18'] Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,35 unequal: No Solution Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,35 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 35:[28, 2], Operations: ['51-23=28', '41-39=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,35 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,35 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[39, 13], Operations: ['51-23=28', '41-28=13'] Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,35 unequal: No Solution Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,35 unequal: No Solution Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[41, 11], Operations: ['51-23=28', '39-28=11'] Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,35 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,35 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,35 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 5, 7, 16, 70 ]
43
[ "7-5=2", "16+70=86", "86/2=43" ]
Current State: 43:[5, 7, 16, 70], Operations: [] Exploring Operation: 7-5=2, Resulting Numbers: [16, 70, 2] Generated Node #2: [16, 70, 2] from Operation: 7-5=2 Current State: 43:[16, 70, 2], Operations: ['7-5=2'] Exploring Operation: 16+70=86, Resulting Numbers: [2, 86] Generated Node #3: [2, 86] from Operation: 16+70=86 Current State: 43:[2, 86], Operations: ['7-5=2', '16+70=86'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[5, 7, 16, 70], Operations: [] Exploring Operation: 5*7=35, Resulting Numbers: [16, 70, 35] Generated Node #0,0: 43:[16, 70, 35] Operation: 5*7=35 Moving to Node #0,0 Current State: 43:[16, 70, 35], Operations: ['5*7=35'] Exploring Operation: 70-16=54, Resulting Numbers: [35, 54] Generated Node #0,0,0: 43:[35, 54] Operation: 70-16=54 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[35, 54], Operations: ['5*7=35', '70-16=54'] Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 14, 80, 92, 39 ]
13
[ "80-14=66", "92-39=53", "66-53=13" ]
Current State: 13:[14, 80, 92, 39], Operations: [] Exploring Operation: 80-14=66, Resulting Numbers: [92, 39, 66] Generated Node #2: [92, 39, 66] from Operation: 80-14=66 Current State: 13:[92, 39, 66], Operations: ['80-14=66'] Exploring Operation: 92-39=53, Resulting Numbers: [66, 53] Generated Node #3: [66, 53] from Operation: 92-39=53 Current State: 13:[66, 53], Operations: ['80-14=66', '92-39=53'] Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[14, 80, 92, 39], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [14, 39, 12] Generated Node #0,0: 13:[14, 39, 12] Operation: 92-80=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[14, 39, 12], Operations: ['92-80=12'] Exploring Operation: 39-14=25, Resulting Numbers: [12, 25] Generated Node #0,0,0: 13:[12, 25] Operation: 39-14=25 Moving to Node #0,0,0 Current State: 13:[12, 25], Operations: ['92-80=12', '39-14=25'] Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[14, 80, 92, 39], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [14, 39, 12] Generated Node #0,0: 13:[14, 39, 12] Operation: 92-80=12 Moving to Node #0,0 Current State: 13:[14, 39, 12], Operations: ['92-80=12'] Exploring Operation: 39-14=25, Resulting Numbers: [12, 25] Generated Node #0,0,0: 13:[12, 25] Operation: 39-14=25 Moving to Node #0,0,0 Current State: 13:[12, 25], Operations: ['92-80=12', '39-14=25'] Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 62, 55, 75, 64 ]
57
[ "75-64=11", "55/11=5", "62-5=57" ]
Current State: 57:[62, 55, 75, 64], Operations: [] Exploring Operation: 75-64=11, Resulting Numbers: [62, 55, 11] Generated Node #2: [62, 55, 11] from Operation: 75-64=11 Current State: 57:[62, 55, 11], Operations: ['75-64=11'] Exploring Operation: 55/11=5, Resulting Numbers: [62, 5] Generated Node #3: [62, 5] from Operation: 55/11=5 Current State: 57:[62, 5], Operations: ['75-64=11', '55/11=5'] Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[62, 55, 75, 64], Operations: [] Exploring Operation: 75-64=11, Resulting Numbers: [62, 55, 11] Generated Node #0,0: 57:[62, 55, 11] Operation: 75-64=11 Exploring Operation: 75-62=13, Resulting Numbers: [55, 64, 13] Generated Node #0,1: 57:[55, 64, 13] Operation: 75-62=13 Exploring Operation: 75-55=20, Resulting Numbers: [62, 64, 20] Generated Node #0,2: 57:[62, 64, 20] Operation: 75-55=20 Moving to Node #0,2 Current State: 57:[62, 64, 20], Operations: ['75-55=20'] Exploring Operation: 64-62=2, Resulting Numbers: [20, 2] Generated Node #0,2,0: 57:[20, 2] Operation: 64-62=2 Exploring Operation: 64-20=44, Resulting Numbers: [62, 44] Generated Node #0,2,1: 57:[62, 44] Operation: 64-20=44 Exploring Operation: 62-20=42, Resulting Numbers: [64, 42] Generated Node #0,2,2: 57:[64, 42] Operation: 62-20=42 Moving to Node #0,0 Current State: 57:[62, 55, 11], Operations: ['75-64=11'] Exploring Operation: 55/11=5, Resulting Numbers: [62, 5] Generated Node #0,0,0: 57:[62, 5] Operation: 55/11=5 Exploring Operation: 62-11=51, Resulting Numbers: [55, 51] Generated Node #0,0,1: 57:[55, 51] Operation: 62-11=51 Exploring Operation: 62-55=7, Resulting Numbers: [11, 7] Generated Node #0,0,2: 57:[11, 7] Operation: 62-55=7 Moving to Node #0,1 Current State: 57:[55, 64, 13], Operations: ['75-62=13'] Exploring Operation: 55+13=68, Resulting Numbers: [64, 68] Generated Node #0,1,0: 57:[64, 68] Operation: 55+13=68 Exploring Operation: 64-55=9, Resulting Numbers: [13, 9] Generated Node #0,1,1: 57:[13, 9] Operation: 64-55=9 Exploring Operation: 64-13=51, Resulting Numbers: [55, 51] Generated Node #0,1,2: 57:[55, 51] Operation: 64-13=51 Moving to Node #0,2,0 Current State: 57:[20, 2], Operations: ['75-55=20', '64-62=2'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,57 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,57 unequal: No Solution Moving to Node #0,0,0 Current State: 57:[62, 5], Operations: ['75-64=11', '55/11=5'] Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[62, 55, 75, 64], Operations: [] Exploring Operation: 75-64=11, Resulting Numbers: [62, 55, 11] Generated Node #0,0: 57:[62, 55, 11] Operation: 75-64=11 Moving to Node #0,0 Current State: 57:[62, 55, 11], Operations: ['75-64=11'] Exploring Operation: 55/11=5, Resulting Numbers: [62, 5] Generated Node #0,0,0: 57:[62, 5] Operation: 55/11=5 Moving to Node #0,0,0 Current State: 57:[62, 5], Operations: ['75-64=11', '55/11=5'] Exploring Operation: 62-5=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.982639
hs_3
sum_heuristic
[ 18, 43, 73, 3 ]
45
[ "43-18=25", "73-3=70", "70-25=45" ]
Current State: 45:[18, 43, 73, 3], Operations: [] Exploring Operation: 43-18=25, Resulting Numbers: [73, 3, 25] Generated Node #2: [73, 3, 25] from Operation: 43-18=25 Current State: 45:[73, 3, 25], Operations: ['43-18=25'] Exploring Operation: 73-3=70, Resulting Numbers: [25, 70] Generated Node #3: [25, 70] from Operation: 73-3=70 Current State: 45:[25, 70], Operations: ['43-18=25', '73-3=70'] Exploring Operation: 70-25=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[18, 43, 73, 3], Operations: [] Exploring Operation: 73-43=30, Resulting Numbers: [18, 3, 30] Generated Node #0,0: 45:[18, 3, 30] Operation: 73-43=30 Exploring Operation: 73-18=55, Resulting Numbers: [43, 3, 55] Generated Node #0,1: 45:[43, 3, 55] Operation: 73-18=55 Exploring Operation: 18-3=15, Resulting Numbers: [43, 73, 15] Generated Node #0,2: 45:[43, 73, 15] Operation: 18-3=15 Moving to Node #0,1 Current State: 45:[43, 3, 55], Operations: ['73-18=55'] Exploring Operation: 55-43=12, Resulting Numbers: [3, 12] Generated Node #0,1,0: 45:[3, 12] Operation: 55-43=12 Exploring Operation: 43+3=46, Resulting Numbers: [55, 46] Generated Node #0,1,1: 45:[55, 46] Operation: 43+3=46 Exploring Operation: 55-3=52, Resulting Numbers: [43, 52] Generated Node #0,1,2: 45:[43, 52] Operation: 55-3=52 Moving to Node #0,0 Current State: 45:[18, 3, 30], Operations: ['73-43=30'] Exploring Operation: 18+30=48, Resulting Numbers: [3, 48] Generated Node #0,0,0: 45:[3, 48] Operation: 18+30=48 Exploring Operation: 30-18=12, Resulting Numbers: [3, 12] Generated Node #0,0,1: 45:[3, 12] Operation: 30-18=12 Exploring Operation: 30/3=10, Resulting Numbers: [18, 10] Generated Node #0,0,2: 45:[18, 10] Operation: 30/3=10 Moving to Node #0,2 Current State: 45:[43, 73, 15], Operations: ['18-3=15'] Exploring Operation: 43+15=58, Resulting Numbers: [73, 58] Generated Node #0,2,0: 45:[73, 58] Operation: 43+15=58 Exploring Operation: 73-43=30, Resulting Numbers: [15, 30] Generated Node #0,2,1: 45:[15, 30] Operation: 73-43=30 Exploring Operation: 73-15=58, Resulting Numbers: [43, 58] Generated Node #0,2,2: 45:[43, 58] Operation: 73-15=58 Moving to Node #0,1,0 Current State: 45:[3, 12], Operations: ['73-18=55', '55-43=12'] Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,45 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,45 unequal: No Solution Moving to Node #0,0,0 Current State: 45:[3, 48], Operations: ['73-43=30', '18+30=48'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[18, 43, 73, 3], Operations: [] Exploring Operation: 73-43=30, Resulting Numbers: [18, 3, 30] Generated Node #0,0: 45:[18, 3, 30] Operation: 73-43=30 Moving to Node #0,0 Current State: 45:[18, 3, 30], Operations: ['73-43=30'] Exploring Operation: 18+30=48, Resulting Numbers: [3, 48] Generated Node #0,0,0: 45:[3, 48] Operation: 18+30=48 Moving to Node #0,0,0 Current State: 45:[3, 48], Operations: ['73-43=30', '18+30=48'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
0.982639
hs_3
mult_heuristic
[ 22, 59, 12, 57 ]
36
[ "22+59=81", "57-12=45", "81-45=36" ]
Current State: 36:[22, 59, 12, 57], Operations: [] Exploring Operation: 22+59=81, Resulting Numbers: [12, 57, 81] Generated Node #2: [12, 57, 81] from Operation: 22+59=81 Current State: 36:[12, 57, 81], Operations: ['22+59=81'] Exploring Operation: 57-12=45, Resulting Numbers: [81, 45] Generated Node #3: [81, 45] from Operation: 57-12=45 Current State: 36:[81, 45], Operations: ['22+59=81', '57-12=45'] Exploring Operation: 81-45=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[22, 59, 12, 57], Operations: [] Exploring Operation: 59-22=37, Resulting Numbers: [12, 57, 37] Generated Node #0,0: 36:[12, 57, 37] Operation: 59-22=37 Exploring Operation: 57-12=45, Resulting Numbers: [22, 59, 45] Generated Node #0,1: 36:[22, 59, 45] Operation: 57-12=45 Exploring Operation: 57-22=35, Resulting Numbers: [59, 12, 35] Generated Node #0,2: 36:[59, 12, 35] Operation: 57-22=35 Exploring Operation: 59-57=2, Resulting Numbers: [22, 12, 2] Generated Node #0,3: 36:[22, 12, 2] Operation: 59-57=2 Exploring Operation: 59-12=47, Resulting Numbers: [22, 57, 47] Generated Node #0,4: 36:[22, 57, 47] Operation: 59-12=47 Moving to Node #0,3 Current State: 36:[22, 12, 2], Operations: ['59-57=2'] Exploring Operation: 22+12=34, Resulting Numbers: [2, 34] Generated Node #0,3,0: 36:[2, 34] Operation: 22+12=34 Exploring Operation: 22-12=10, Resulting Numbers: [2, 10] Generated Node #0,3,1: 36:[2, 10] Operation: 22-12=10 Exploring Operation: 22-2=20, Resulting Numbers: [12, 20] Generated Node #0,3,2: 36:[12, 20] Operation: 22-2=20 Exploring Operation: 12/2=6, Resulting Numbers: [22, 6] Generated Node #0,3,3: 36:[22, 6] Operation: 12/2=6 Exploring Operation: 22/2=11, Resulting Numbers: [12, 11] Generated Node #0,3,4: 36:[12, 11] Operation: 22/2=11 Moving to Node #0,0 Current State: 36:[12, 57, 37], Operations: ['59-22=37'] Exploring Operation: 37-12=25, Resulting Numbers: [57, 25] Generated Node #0,0,0: 36:[57, 25] Operation: 37-12=25 Exploring Operation: 57-12=45, Resulting Numbers: [37, 45] Generated Node #0,0,1: 36:[37, 45] Operation: 57-12=45 Exploring Operation: 12+37=49, Resulting Numbers: [57, 49] Generated Node #0,0,2: 36:[57, 49] Operation: 12+37=49 Exploring Operation: 57-37=20, Resulting Numbers: [12, 20] Generated Node #0,0,3: 36:[12, 20] Operation: 57-37=20 Exploring Operation: 12+57=69, Resulting Numbers: [37, 69] Generated Node #0,0,4: 36:[37, 69] Operation: 12+57=69 Moving to Node #0,2 Current State: 36:[59, 12, 35], Operations: ['57-22=35'] Exploring Operation: 59-35=24, Resulting Numbers: [12, 24] Generated Node #0,2,0: 36:[12, 24] Operation: 59-35=24 Exploring Operation: 59+12=71, Resulting Numbers: [35, 71] Generated Node #0,2,1: 36:[35, 71] Operation: 59+12=71 Exploring Operation: 59-12=47, Resulting Numbers: [35, 47] Generated Node #0,2,2: 36:[35, 47] Operation: 59-12=47 Exploring Operation: 35-12=23, Resulting Numbers: [59, 23] Generated Node #0,2,3: 36:[59, 23] Operation: 35-12=23 Exploring Operation: 12+35=47, Resulting Numbers: [59, 47] Generated Node #0,2,4: 36:[59, 47] Operation: 12+35=47 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 36:[12, 24], Operations: ['57-22=35', '59-35=24'] Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[22, 59, 12, 57], Operations: [] Exploring Operation: 57-22=35, Resulting Numbers: [59, 12, 35] Generated Node #0,2: 36:[59, 12, 35] Operation: 57-22=35 Moving to Node #0,2 Current State: 36:[59, 12, 35], Operations: ['57-22=35'] Exploring Operation: 59-35=24, Resulting Numbers: [12, 24] Generated Node #0,2,0: 36:[12, 24] Operation: 59-35=24 Moving to Node #0,2,0 Current State: 36:[12, 24], Operations: ['57-22=35', '59-35=24'] Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
mult_heuristic
[ 22, 72, 13, 46 ]
38
[ "22-13=9", "72/9=8", "46-8=38" ]
Current State: 38:[22, 72, 13, 46], Operations: [] Exploring Operation: 22-13=9, Resulting Numbers: [72, 46, 9] Generated Node #2: [72, 46, 9] from Operation: 22-13=9 Current State: 38:[72, 46, 9], Operations: ['22-13=9'] Exploring Operation: 72/9=8, Resulting Numbers: [46, 8] Generated Node #3: [46, 8] from Operation: 72/9=8 Current State: 38:[46, 8], Operations: ['22-13=9', '72/9=8'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[22, 72, 13, 46], Operations: [] Exploring Operation: 72-22=50, Resulting Numbers: [13, 46, 50] Generated Node #0,0: 38:[13, 46, 50] Operation: 72-22=50 Exploring Operation: 72-13=59, Resulting Numbers: [22, 46, 59] Generated Node #0,1: 38:[22, 46, 59] Operation: 72-13=59 Exploring Operation: 72-46=26, Resulting Numbers: [22, 13, 26] Generated Node #0,2: 38:[22, 13, 26] Operation: 72-46=26 Exploring Operation: 46-13=33, Resulting Numbers: [22, 72, 33] Generated Node #0,3: 38:[22, 72, 33] Operation: 46-13=33 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[22, 13, 26], Operations: ['72-46=26'] Exploring Operation: 13+26=39, Resulting Numbers: [22, 39] Generated Node #0,2,0: 38:[22, 39] Operation: 13+26=39 Exploring Operation: 26-13=13, Resulting Numbers: [22, 13] Generated Node #0,2,1: 38:[22, 13] Operation: 26-13=13 Exploring Operation: 26/13=2, Resulting Numbers: [22, 2] Generated Node #0,2,2: 38:[22, 2] Operation: 26/13=2 Exploring Operation: 26-22=4, Resulting Numbers: [13, 4] Generated Node #0,2,3: 38:[13, 4] Operation: 26-22=4 Moving to Node #0,2,2 Current State: 38:[22, 2], Operations: ['72-46=26', '26/13=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,38 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,38 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[22, 39], Operations: ['72-46=26', '13+26=39'] Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,38 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,38 unequal: No Solution Moving to Node #0,2,3 Current State: 38:[13, 4], Operations: ['72-46=26', '26-22=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,38 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,38 unequal: No Solution Moving to Node #0,2,1 Current State: 38:[22, 13], Operations: ['72-46=26', '26-13=13'] Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,38 unequal: No Solution Exploring Operation: 22*13=286, Resulting Numbers: [286] 286,38 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[13, 46, 50], Operations: ['72-22=50'] Exploring Operation: 50-46=4, Resulting Numbers: [13, 4] Generated Node #0,0,0: 38:[13, 4] Operation: 50-46=4 Exploring Operation: 13+46=59, Resulting Numbers: [50, 59] Generated Node #0,0,1: 38:[50, 59] Operation: 13+46=59 Exploring Operation: 50-13=37, Resulting Numbers: [46, 37] Generated Node #0,0,2: 38:[46, 37] Operation: 50-13=37 Exploring Operation: 46-13=33, Resulting Numbers: [50, 33] Generated Node #0,0,3: 38:[50, 33] Operation: 46-13=33 Moving to Node #0,0,0 Current State: 38:[13, 4], Operations: ['72-22=50', '50-46=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[46, 37], Operations: ['72-22=50', '50-13=37'] Exploring Operation: 46*37=1702, Resulting Numbers: [1702] 1702,38 unequal: No Solution Exploring Operation: 46+37=83, Resulting Numbers: [83] 83,38 unequal: No Solution Exploring Operation: 46-37=9, Resulting Numbers: [9] 9,38 unequal: No Solution Moving to Node #0,0,3 Current State: 38:[50, 33], Operations: ['72-22=50', '46-13=33'] Exploring Operation: 50*33=1650, Resulting Numbers: [1650] 1650,38 unequal: No Solution Exploring Operation: 50+33=83, Resulting Numbers: [83] 83,38 unequal: No Solution Exploring Operation: 50-33=17, Resulting Numbers: [17] 17,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[50, 59], Operations: ['72-22=50', '13+46=59'] Exploring Operation: 50*59=2950, Resulting Numbers: [2950] 2950,38 unequal: No Solution Exploring Operation: 59-50=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 50+59=109, Resulting Numbers: [109] 109,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[22, 46, 59], Operations: ['72-13=59'] Exploring Operation: 22+46=68, Resulting Numbers: [59, 68] Generated Node #0,1,0: 38:[59, 68] Operation: 22+46=68 Exploring Operation: 46-22=24, Resulting Numbers: [59, 24] Generated Node #0,1,1: 38:[59, 24] Operation: 46-22=24 Exploring Operation: 59-46=13, Resulting Numbers: [22, 13] Generated Node #0,1,2: 38:[22, 13] Operation: 59-46=13 Exploring Operation: 59-22=37, Resulting Numbers: [46, 37] Generated Node #0,1,3: 38:[46, 37] Operation: 59-22=37 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 38:[22, 13], Operations: ['72-13=59', '59-46=13'] Exploring Operation: 22+13=35, Resulting Numbers: [35] 35,38 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 22*13=286, Resulting Numbers: [286] 286,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 38:[46, 37], Operations: ['72-13=59', '59-22=37'] Exploring Operation: 46+37=83, Resulting Numbers: [83] 83,38 unequal: No Solution Exploring Operation: 46*37=1702, Resulting Numbers: [1702] 1702,38 unequal: No Solution Exploring Operation: 46-37=9, Resulting Numbers: [9] 9,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 38:[59, 24], Operations: ['72-13=59', '46-22=24'] Exploring Operation: 59*24=1416, Resulting Numbers: [1416] 1416,38 unequal: No Solution Exploring Operation: 59+24=83, Resulting Numbers: [83] 83,38 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 38:[59, 68], Operations: ['72-13=59', '22+46=68'] Exploring Operation: 68-59=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 59*68=4012, Resulting Numbers: [4012] 4012,38 unequal: No Solution Exploring Operation: 59+68=127, Resulting Numbers: [127] 127,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 38:[22, 72, 33], Operations: ['46-13=33'] Exploring Operation: 72-33=39, Resulting Numbers: [22, 39] Generated Node #0,3,0: 38:[22, 39] Operation: 72-33=39 Exploring Operation: 72-22=50, Resulting Numbers: [33, 50] Generated Node #0,3,1: 38:[33, 50] Operation: 72-22=50 Exploring Operation: 33-22=11, Resulting Numbers: [72, 11] Generated Node #0,3,2: 38:[72, 11] Operation: 33-22=11 Exploring Operation: 22+33=55, Resulting Numbers: [72, 55] Generated Node #0,3,3: 38:[72, 55] Operation: 22+33=55 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 38:[22, 39], Operations: ['46-13=33', '72-33=39'] Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,38 unequal: No Solution Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 38:[33, 50], Operations: ['46-13=33', '72-22=50'] Exploring Operation: 33+50=83, Resulting Numbers: [83] 83,38 unequal: No Solution Exploring Operation: 33*50=1650, Resulting Numbers: [1650] 1650,38 unequal: No Solution Exploring Operation: 50-33=17, Resulting Numbers: [17] 17,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 38:[72, 11], Operations: ['46-13=33', '33-22=11'] Exploring Operation: 72*11=792, Resulting Numbers: [792] 792,38 unequal: No Solution Exploring Operation: 72+11=83, Resulting Numbers: [83] 83,38 unequal: No Solution Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 38:[72, 55], Operations: ['46-13=33', '22+33=55'] Exploring Operation: 72-55=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 72+55=127, Resulting Numbers: [127] 127,38 unequal: No Solution Exploring Operation: 72*55=3960, Resulting Numbers: [3960] 3960,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 20, 4, 14, 6 ]
13
[ "20/4=5", "14-6=8", "5+8=13" ]
Current State: 13:[20, 4, 14, 6], Operations: [] Exploring Operation: 20/4=5, Resulting Numbers: [14, 6, 5] Generated Node #2: [14, 6, 5] from Operation: 20/4=5 Current State: 13:[14, 6, 5], Operations: ['20/4=5'] Exploring Operation: 14-6=8, Resulting Numbers: [5, 8] Generated Node #3: [5, 8] from Operation: 14-6=8 Current State: 13:[5, 8], Operations: ['20/4=5', '14-6=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[20, 4, 14, 6], Operations: [] Exploring Operation: 20/4=5, Resulting Numbers: [14, 6, 5] Generated Node #0,0: 13:[14, 6, 5] Operation: 20/4=5 Exploring Operation: 4+6=10, Resulting Numbers: [20, 14, 10] Generated Node #0,1: 13:[20, 14, 10] Operation: 4+6=10 Exploring Operation: 14-4=10, Resulting Numbers: [20, 6, 10] Generated Node #0,2: 13:[20, 6, 10] Operation: 14-4=10 Exploring Operation: 20-4=16, Resulting Numbers: [14, 6, 16] Generated Node #0,3: 13:[14, 6, 16] Operation: 20-4=16 Exploring Operation: 20-6=14, Resulting Numbers: [4, 14, 14] Generated Node #0,4: 13:[4, 14, 14] Operation: 20-6=14 Moving to Node #0,1 Current State: 13:[20, 14, 10], Operations: ['4+6=10'] Exploring Operation: 20-10=10, Resulting Numbers: [14, 10] Generated Node #0,1,0: 13:[14, 10] Operation: 20-10=10 Exploring Operation: 20-14=6, Resulting Numbers: [10, 6] Generated Node #0,1,1: 13:[10, 6] Operation: 20-14=6 Exploring Operation: 20+10=30, Resulting Numbers: [14, 30] Generated Node #0,1,2: 13:[14, 30] Operation: 20+10=30 Exploring Operation: 14-10=4, Resulting Numbers: [20, 4] Generated Node #0,1,3: 13:[20, 4] Operation: 14-10=4 Exploring Operation: 20/10=2, Resulting Numbers: [14, 2] Generated Node #0,1,4: 13:[14, 2] Operation: 20/10=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[14, 10], Operations: ['4+6=10', '20-10=10'] Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,13 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,13 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:[10, 6], Operations: ['4+6=10', '20-14=6'] 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 Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 13:[14, 2], Operations: ['4+6=10', '20/10=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,13 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:[20, 4], Operations: ['4+6=10', '14-10=4'] Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,13 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,13 unequal: No Solution Exploring Operation: 20-4=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 #0,1,2 Current State: 13:[14, 30], Operations: ['4+6=10', '20+10=30'] Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,13 unequal: No Solution Exploring Operation: 14*30=420, Resulting Numbers: [420] 420,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 13:[4, 14, 14], Operations: ['20-6=14'] Exploring Operation: 4+14=18, Resulting Numbers: [14, 18] Generated Node #0,4,0: 13:[14, 18] Operation: 4+14=18 Exploring Operation: 4+14=18, Resulting Numbers: [14, 18] Generated Node #0,4,1: 13:[14, 18] Operation: 4+14=18 Exploring Operation: 14-4=10, Resulting Numbers: [14, 10] Generated Node #0,4,2: 13:[14, 10] Operation: 14-4=10 Exploring Operation: 14/14=1, Resulting Numbers: [4, 1] Generated Node #0,4,3: 13:[4, 1] Operation: 14/14=1 Exploring Operation: 14-4=10, Resulting Numbers: [14, 10] Generated Node #0,4,4: 13:[14, 10] Operation: 14-4=10 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 13:[14, 10], Operations: ['20-6=14', '14-4=10'] Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,13 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 #0,4,4 Current State: 13:[14, 10], Operations: ['20-6=14', '14-4=10'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,13 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 #0,4,0 Current State: 13:[14, 18], Operations: ['20-6=14', '4+14=18'] Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,13 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,13 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 #0,4,1 Current State: 13:[14, 18], Operations: ['20-6=14', '4+14=18'] Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,13 unequal: No Solution Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,13 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 #0,4,3 Current State: 13:[4, 1], Operations: ['20-6=14', '14/14=1'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,13 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,13 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: 13:[14, 6, 16], Operations: ['20-4=16'] Exploring Operation: 6+16=22, Resulting Numbers: [14, 22] Generated Node #0,3,0: 13:[14, 22] Operation: 6+16=22 Exploring Operation: 14-6=8, Resulting Numbers: [16, 8] Generated Node #0,3,1: 13:[16, 8] Operation: 14-6=8 Exploring Operation: 16-14=2, Resulting Numbers: [6, 2] Generated Node #0,3,2: 13:[6, 2] Operation: 16-14=2 Exploring Operation: 16-6=10, Resulting Numbers: [14, 10] Generated Node #0,3,3: 13:[14, 10] Operation: 16-6=10 Exploring Operation: 14+6=20, Resulting Numbers: [16, 20] Generated Node #0,3,4: 13:[16, 20] Operation: 14+6=20 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 13:[14, 10], Operations: ['20-4=16', '16-6=10'] Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,13 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 13:[16, 8], Operations: ['20-4=16', '14-6=8'] Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,13 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,13 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 13:[14, 22], Operations: ['20-4=16', '6+16=22'] Exploring Operation: 14+22=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 14*22=308, Resulting Numbers: [308] 308,13 unequal: No Solution Exploring Operation: 22-14=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 #0,3,4 Current State: 13:[16, 20], Operations: ['20-4=16', '14+6=20'] Exploring Operation: 20-16=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 16+20=36, Resulting Numbers: [36] 36,13 unequal: No Solution Exploring Operation: 16*20=320, Resulting Numbers: [320] 320,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 13:[6, 2], Operations: ['20-4=16', '16-14=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 13:[14, 6, 5], Operations: ['20/4=5'] Exploring Operation: 14-6=8, Resulting Numbers: [5, 8] Generated Node #0,0,0: 13:[5, 8] Operation: 14-6=8 Exploring Operation: 14-5=9, Resulting Numbers: [6, 9] Generated Node #0,0,1: 13:[6, 9] Operation: 14-5=9 Exploring Operation: 6+5=11, Resulting Numbers: [14, 11] Generated Node #0,0,2: 13:[14, 11] Operation: 6+5=11 Exploring Operation: 14+5=19, Resulting Numbers: [6, 19] Generated Node #0,0,3: 13:[6, 19] Operation: 14+5=19 Exploring Operation: 6-5=1, Resulting Numbers: [14, 1] Generated Node #0,0,4: 13:[14, 1] Operation: 6-5=1 Moving to Node #0,2 Current State: 13:[20, 6, 10], Operations: ['14-4=10'] Exploring Operation: 20-6=14, Resulting Numbers: [10, 14] Generated Node #0,2,0: 13:[10, 14] Operation: 20-6=14 Exploring Operation: 20+6=26, Resulting Numbers: [10, 26] Generated Node #0,2,1: 13:[10, 26] Operation: 20+6=26 Exploring Operation: 20-10=10, Resulting Numbers: [6, 10] Generated Node #0,2,2: 13:[6, 10] Operation: 20-10=10 Exploring Operation: 10-6=4, Resulting Numbers: [20, 4] Generated Node #0,2,3: 13:[20, 4] Operation: 10-6=4 Exploring Operation: 6+10=16, Resulting Numbers: [20, 16] Generated Node #0,2,4: 13:[20, 16] Operation: 6+10=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[10, 14], Operations: ['14-4=10', '20-6=14'] Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,13 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[6, 10], Operations: ['14-4=10', '20-10=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 13:[20, 16], Operations: ['14-4=10', '6+10=16'] Exploring Operation: 20+16=36, Resulting Numbers: [36] 36,13 unequal: No Solution 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 No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[10, 26], Operations: ['14-4=10', '20+6=26'] Exploring Operation: 10*26=260, Resulting Numbers: [260] 260,13 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 10+26=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 #0,2,3 Current State: 13:[20, 4], Operations: ['14-4=10', '10-6=4'] Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,13 unequal: No Solution Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,13 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: 13:[14, 11], Operations: ['20/4=5', '6+5=11'] Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,13 unequal: No Solution Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[6, 9], Operations: ['20/4=5', '14-5=9'] Exploring Operation: 6*9=54, Resulting Numbers: [54] 54,13 unequal: No Solution Exploring Operation: 6+9=15, Resulting Numbers: [15] 15,13 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[5, 8], Operations: ['20/4=5', '14-6=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,13 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[20, 4, 14, 6], Operations: [] Exploring Operation: 20/4=5, Resulting Numbers: [14, 6, 5] Generated Node #0,0: 13:[14, 6, 5] Operation: 20/4=5 Moving to Node #0,0 Current State: 13:[14, 6, 5], Operations: ['20/4=5'] Exploring Operation: 14-6=8, Resulting Numbers: [5, 8] Generated Node #0,0,0: 13:[5, 8] Operation: 14-6=8 Moving to Node #0,0,0 Current State: 13:[5, 8], Operations: ['20/4=5', '14-6=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
0.90625
hs_5
sum_heuristic
[ 2, 14, 71, 44 ]
100
[ "14+44=58", "58/2=29", "71+29=100" ]
Current State: 100:[2, 14, 71, 44], Operations: [] Exploring Operation: 14+44=58, Resulting Numbers: [2, 71, 58] Generated Node #2: [2, 71, 58] from Operation: 14+44=58 Current State: 100:[2, 71, 58], Operations: ['14+44=58'] Exploring Operation: 58/2=29, Resulting Numbers: [71, 29] Generated Node #3: [71, 29] from Operation: 58/2=29 Current State: 100:[71, 29], Operations: ['14+44=58', '58/2=29'] Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[2, 14, 71, 44], Operations: [] Exploring Operation: 14+71=85, Resulting Numbers: [2, 44, 85] Generated Node #0,0: 100:[2, 44, 85] Operation: 14+71=85 Exploring Operation: 71-44=27, Resulting Numbers: [2, 14, 27] Generated Node #0,1: 100:[2, 14, 27] Operation: 71-44=27 Exploring Operation: 71-14=57, Resulting Numbers: [2, 44, 57] Generated Node #0,2: 100:[2, 44, 57] Operation: 71-14=57 Exploring Operation: 44-14=30, Resulting Numbers: [2, 71, 30] Generated Node #0,3: 100:[2, 71, 30] Operation: 44-14=30 Exploring Operation: 71+44=115, Resulting Numbers: [2, 14, 115] Generated Node #0,4: 100:[2, 14, 115] Operation: 71+44=115 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[2, 14, 27], Operations: ['71-44=27'] Exploring Operation: 27-2=25, Resulting Numbers: [14, 25] Generated Node #0,1,0: 100:[14, 25] Operation: 27-2=25 Exploring Operation: 2*14=28, Resulting Numbers: [27, 28] Generated Node #0,1,1: 100:[27, 28] Operation: 2*14=28 Exploring Operation: 14/2=7, Resulting Numbers: [27, 7] Generated Node #0,1,2: 100:[27, 7] Operation: 14/2=7 Exploring Operation: 27-14=13, Resulting Numbers: [2, 13] Generated Node #0,1,3: 100:[2, 13] Operation: 27-14=13 Exploring Operation: 14-2=12, Resulting Numbers: [27, 12] Generated Node #0,1,4: 100:[27, 12] Operation: 14-2=12 Moving to Node #0,1,3 Current State: 100:[2, 13], Operations: ['71-44=27', '27-14=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,100 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,100 unequal: No Solution Moving to Node #0,1,2 Current State: 100:[27, 7], Operations: ['71-44=27', '14/2=7'] Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,100 unequal: No Solution Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,100 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[14, 25], Operations: ['71-44=27', '27-2=25'] Exploring Operation: 14*25=350, Resulting Numbers: [350] 350,100 unequal: No Solution Exploring Operation: 14+25=39, Resulting Numbers: [39] 39,100 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,100 unequal: No Solution Moving to Node #0,1,4 Current State: 100:[27, 12], Operations: ['71-44=27', '14-2=12'] Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,100 unequal: No Solution Exploring Operation: 27*12=324, Resulting Numbers: [324] 324,100 unequal: No Solution Exploring Operation: 27+12=39, Resulting Numbers: [39] 39,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[27, 28], Operations: ['71-44=27', '2*14=28'] Exploring Operation: 27+28=55, Resulting Numbers: [55] 55,100 unequal: No Solution Exploring Operation: 27*28=756, Resulting Numbers: [756] 756,100 unequal: No Solution Exploring Operation: 28-27=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 #0,2 Current State: 100:[2, 44, 57], Operations: ['71-14=57'] Exploring Operation: 44+57=101, Resulting Numbers: [2, 101] Generated Node #0,2,0: 100:[2, 101] Operation: 44+57=101 Exploring Operation: 44/2=22, Resulting Numbers: [57, 22] Generated Node #0,2,1: 100:[57, 22] Operation: 44/2=22 Exploring Operation: 2+44=46, Resulting Numbers: [57, 46] Generated Node #0,2,2: 100:[57, 46] Operation: 2+44=46 Exploring Operation: 57-2=55, Resulting Numbers: [44, 55] Generated Node #0,2,3: 100:[44, 55] Operation: 57-2=55 Exploring Operation: 57-44=13, Resulting Numbers: [2, 13] Generated Node #0,2,4: 100:[2, 13] Operation: 57-44=13 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[2, 101], Operations: ['71-14=57', '44+57=101'] Exploring Operation: 101-2=99, Resulting Numbers: [99] 99,100 unequal: No Solution Exploring Operation: 2*101=202, Resulting Numbers: [202] 202,100 unequal: No Solution Exploring Operation: 2+101=103, Resulting Numbers: [103] 103,100 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 #0,2,4 Current State: 100:[2, 13], Operations: ['71-14=57', '57-44=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,100 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,100 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,100 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 #0,2,1 Current State: 100:[57, 22], Operations: ['71-14=57', '44/2=22'] Exploring Operation: 57*22=1254, Resulting Numbers: [1254] 1254,100 unequal: No Solution Exploring Operation: 57-22=35, Resulting Numbers: [35] 35,100 unequal: No Solution Exploring Operation: 57+22=79, Resulting Numbers: [79] 79,100 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 #0,2,2 Current State: 100:[57, 46], Operations: ['71-14=57', '2+44=46'] Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 57*46=2622, Resulting Numbers: [2622] 2622,100 unequal: No Solution Exploring Operation: 57+46=103, Resulting Numbers: [103] 103,100 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 #0,2,3 Current State: 100:[44, 55], Operations: ['71-14=57', '57-2=55'] Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,100 unequal: No Solution Exploring Operation: 44*55=2420, Resulting Numbers: [2420] 2420,100 unequal: No Solution Exploring Operation: 44+55=99, Resulting Numbers: [99] 99,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 100:[2, 14, 115], Operations: ['71+44=115'] Exploring Operation: 2*14=28, Resulting Numbers: [115, 28] Generated Node #0,4,0: 100:[115, 28] Operation: 2*14=28 Exploring Operation: 115-2=113, Resulting Numbers: [14, 113] Generated Node #0,4,1: 100:[14, 113] Operation: 115-2=113 Exploring Operation: 115-14=101, Resulting Numbers: [2, 101] Generated Node #0,4,2: 100:[2, 101] Operation: 115-14=101 Exploring Operation: 14/2=7, Resulting Numbers: [115, 7] Generated Node #0,4,3: 100:[115, 7] Operation: 14/2=7 Exploring Operation: 14-2=12, Resulting Numbers: [115, 12] Generated Node #0,4,4: 100:[115, 12] Operation: 14-2=12 Moving to Node #0,4,2 Current State: 100:[2, 101], Operations: ['71+44=115', '115-14=101'] Exploring Operation: 101-2=99, Resulting Numbers: [99] 99,100 unequal: No Solution Exploring Operation: 2+101=103, Resulting Numbers: [103] 103,100 unequal: No Solution Exploring Operation: 2*101=202, Resulting Numbers: [202] 202,100 unequal: No Solution Moving to Node #0,4,3 Current State: 100:[115, 7], Operations: ['71+44=115', '14/2=7'] Exploring Operation: 115+7=122, Resulting Numbers: [122] 122,100 unequal: No Solution Exploring Operation: 115-7=108, Resulting Numbers: [108] 108,100 unequal: No Solution Exploring Operation: 115*7=805, Resulting Numbers: [805] 805,100 unequal: No Solution Moving to Node #0,4,1 Current State: 100:[14, 113], Operations: ['71+44=115', '115-2=113'] Exploring Operation: 14*113=1582, Resulting Numbers: [1582] 1582,100 unequal: No Solution Exploring Operation: 113-14=99, Resulting Numbers: [99] 99,100 unequal: No Solution Exploring Operation: 14+113=127, Resulting Numbers: [127] 127,100 unequal: No Solution Moving to Node #0,4,4 Current State: 100:[115, 12], Operations: ['71+44=115', '14-2=12'] Exploring Operation: 115+12=127, Resulting Numbers: [127] 127,100 unequal: No Solution Exploring Operation: 115*12=1380, Resulting Numbers: [1380] 1380,100 unequal: No Solution Exploring Operation: 115-12=103, Resulting Numbers: [103] 103,100 unequal: No Solution Moving to Node #0,4,0 Current State: 100:[115, 28], Operations: ['71+44=115', '2*14=28'] Exploring Operation: 115-28=87, Resulting Numbers: [87] 87,100 unequal: No Solution Exploring Operation: 115*28=3220, Resulting Numbers: [3220] 3220,100 unequal: No Solution Exploring Operation: 115+28=143, Resulting Numbers: [143] 143,100 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 #0,0 Current State: 100:[2, 44, 85], Operations: ['14+71=85'] Exploring Operation: 85-44=41, Resulting Numbers: [2, 41] Generated Node #0,0,0: 100:[2, 41] Operation: 85-44=41 Exploring Operation: 2+44=46, Resulting Numbers: [85, 46] Generated Node #0,0,1: 100:[85, 46] Operation: 2+44=46 Exploring Operation: 2+85=87, Resulting Numbers: [44, 87] Generated Node #0,0,2: 100:[44, 87] Operation: 2+85=87 Exploring Operation: 44-2=42, Resulting Numbers: [85, 42] Generated Node #0,0,3: 100:[85, 42] Operation: 44-2=42 Exploring Operation: 44/2=22, Resulting Numbers: [85, 22] Generated Node #0,0,4: 100:[85, 22] Operation: 44/2=22 Moving to Node #0,0,0 Current State: 100:[2, 41], Operations: ['14+71=85', '85-44=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,100 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,100 unequal: No Solution Moving to Node #0,0,4 Current State: 100:[85, 22], Operations: ['14+71=85', '44/2=22'] Exploring Operation: 85+22=107, Resulting Numbers: [107] 107,100 unequal: No Solution Exploring Operation: 85-22=63, Resulting Numbers: [63] 63,100 unequal: No Solution Exploring Operation: 85*22=1870, Resulting Numbers: [1870] 1870,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[85, 46], Operations: ['14+71=85', '2+44=46'] Exploring Operation: 85*46=3910, Resulting Numbers: [3910] 3910,100 unequal: No Solution Exploring Operation: 85-46=39, Resulting Numbers: [39] 39,100 unequal: No Solution Exploring Operation: 85+46=131, Resulting Numbers: [131] 131,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[44, 87], Operations: ['14+71=85', '2+85=87'] Exploring Operation: 44*87=3828, Resulting Numbers: [3828] 3828,100 unequal: No Solution Exploring Operation: 44+87=131, Resulting Numbers: [131] 131,100 unequal: No Solution Exploring Operation: 87-44=43, Resulting Numbers: [43] 43,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[85, 42], Operations: ['14+71=85', '44-2=42'] Exploring Operation: 85*42=3570, Resulting Numbers: [3570] 3570,100 unequal: No Solution Exploring Operation: 85+42=127, Resulting Numbers: [127] 127,100 unequal: No Solution Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,100 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 Current State: 100:[2, 71, 30], Operations: ['44-14=30'] Exploring Operation: 71+30=101, Resulting Numbers: [2, 101] Generated Node #0,3,0: 100:[2, 101] Operation: 71+30=101 Exploring Operation: 30-2=28, Resulting Numbers: [71, 28] Generated Node #0,3,1: 100:[71, 28] Operation: 30-2=28 Exploring Operation: 30/2=15, Resulting Numbers: [71, 15] Generated Node #0,3,2: 100:[71, 15] Operation: 30/2=15 Exploring Operation: 71-2=69, Resulting Numbers: [30, 69] Generated Node #0,3,3: 100:[30, 69] Operation: 71-2=69 Exploring Operation: 71-30=41, Resulting Numbers: [2, 41] Generated Node #0,3,4: 100:[2, 41] Operation: 71-30=41 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 100:[2, 101], Operations: ['44-14=30', '71+30=101'] Exploring Operation: 101-2=99, Resulting Numbers: [99] 99,100 unequal: No Solution Exploring Operation: 2+101=103, Resulting Numbers: [103] 103,100 unequal: No Solution Exploring Operation: 2*101=202, Resulting Numbers: [202] 202,100 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 #0,3,4 Current State: 100:[2, 41], Operations: ['44-14=30', '71-30=41'] Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,100 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,100 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,100 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 #0,3,1 Current State: 100:[71, 28], Operations: ['44-14=30', '30-2=28'] Exploring Operation: 71+28=99, Resulting Numbers: [99] 99,100 unequal: No Solution Exploring Operation: 71*28=1988, Resulting Numbers: [1988] 1988,100 unequal: No Solution Exploring Operation: 71-28=43, Resulting Numbers: [43] 43,100 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 #0,3,3 Current State: 100:[30, 69], Operations: ['44-14=30', '71-2=69'] Exploring Operation: 69-30=39, Resulting Numbers: [39] 39,100 unequal: No Solution Exploring Operation: 30+69=99, Resulting Numbers: [99] 99,100 unequal: No Solution Exploring Operation: 30*69=2070, Resulting Numbers: [2070] 2070,100 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 #0,3,2 Current State: 100:[71, 15], Operations: ['44-14=30', '30/2=15'] Exploring Operation: 71+15=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 71*15=1065, Resulting Numbers: [1065] 1065,100 unequal: No Solution Exploring Operation: 71-15=56, Resulting Numbers: [56] 56,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 25, 64, 12, 11 ]
15
[ "64+11=75", "75/25=3", "12+3=15" ]
Current State: 15:[25, 64, 12, 11], Operations: [] Exploring Operation: 64+11=75, Resulting Numbers: [25, 12, 75] Generated Node #2: [25, 12, 75] from Operation: 64+11=75 Current State: 15:[25, 12, 75], Operations: ['64+11=75'] Exploring Operation: 75/25=3, Resulting Numbers: [12, 3] Generated Node #3: [12, 3] from Operation: 75/25=3 Current State: 15:[12, 3], Operations: ['64+11=75', '75/25=3'] Exploring Operation: 12+3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[25, 64, 12, 11], Operations: [] Exploring Operation: 64-12=52, Resulting Numbers: [25, 11, 52] Generated Node #0,0: 15:[25, 11, 52] Operation: 64-12=52 Exploring Operation: 64-25=39, Resulting Numbers: [12, 11, 39] Generated Node #0,1: 15:[12, 11, 39] Operation: 64-25=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[12, 11, 39], Operations: ['64-25=39'] Exploring Operation: 39-11=28, Resulting Numbers: [12, 28] Generated Node #0,1,0: 15:[12, 28] Operation: 39-11=28 Exploring Operation: 39-12=27, Resulting Numbers: [11, 27] Generated Node #0,1,1: 15:[11, 27] Operation: 39-12=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 15:[12, 28], Operations: ['64-25=39', '39-11=28'] Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,15 unequal: No Solution No 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: 15:[11, 27], Operations: ['64-25=39', '39-12=27'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,15 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: 15:[25, 11, 52], Operations: ['64-12=52'] Exploring Operation: 52-25=27, Resulting Numbers: [11, 27] Generated Node #0,0,0: 15:[11, 27] Operation: 52-25=27 Exploring Operation: 52-11=41, Resulting Numbers: [25, 41] Generated Node #0,0,1: 15:[25, 41] Operation: 52-11=41 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[11, 27], Operations: ['64-12=52', '52-25=27'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,15 unequal: No Solution No 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: 15:[25, 41], Operations: ['64-12=52', '52-11=41'] Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 25+41=66, Resulting Numbers: [66] 66,15 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
[ 71, 43, 12, 34 ]
72
[ "71-43=28", "34-28=6", "12*6=72" ]
Current State: 72:[71, 43, 12, 34], Operations: [] Exploring Operation: 71-43=28, Resulting Numbers: [12, 34, 28] Generated Node #2: [12, 34, 28] from Operation: 71-43=28 Current State: 72:[12, 34, 28], Operations: ['71-43=28'] Exploring Operation: 34-28=6, Resulting Numbers: [12, 6] Generated Node #3: [12, 6] from Operation: 34-28=6 Current State: 72:[12, 6], Operations: ['71-43=28', '34-28=6'] Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[71, 43, 12, 34], Operations: [] Exploring Operation: 71-43=28, Resulting Numbers: [12, 34, 28] Generated Node #0,0: 72:[12, 34, 28] Operation: 71-43=28 Exploring Operation: 43-34=9, Resulting Numbers: [71, 12, 9] Generated Node #0,1: 72:[71, 12, 9] Operation: 43-34=9 Moving to Node #0,1 Current State: 72:[71, 12, 9], Operations: ['43-34=9'] Exploring Operation: 12-9=3, Resulting Numbers: [71, 3] Generated Node #0,1,0: 72:[71, 3] Operation: 12-9=3 Exploring Operation: 12+9=21, Resulting Numbers: [71, 21] Generated Node #0,1,1: 72:[71, 21] Operation: 12+9=21 Moving to Node #0,0 Current State: 72:[12, 34, 28], Operations: ['71-43=28'] Exploring Operation: 34-28=6, Resulting Numbers: [12, 6] Generated Node #0,0,0: 72:[12, 6] Operation: 34-28=6 Exploring Operation: 28-12=16, Resulting Numbers: [34, 16] Generated Node #0,0,1: 72:[34, 16] Operation: 28-12=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 72:[12, 6], Operations: ['71-43=28', '34-28=6'] Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[71, 43, 12, 34], Operations: [] Exploring Operation: 71-43=28, Resulting Numbers: [12, 34, 28] Generated Node #0,0: 72:[12, 34, 28] Operation: 71-43=28 Moving to Node #0,0 Current State: 72:[12, 34, 28], Operations: ['71-43=28'] Exploring Operation: 34-28=6, Resulting Numbers: [12, 6] Generated Node #0,0,0: 72:[12, 6] Operation: 34-28=6 Moving to Node #0,0,0 Current State: 72:[12, 6], Operations: ['71-43=28', '34-28=6'] Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 13, 51, 82, 40 ]
75
[ "51+40=91", "91/13=7", "82-7=75" ]
Current State: 75:[13, 51, 82, 40], Operations: [] Exploring Operation: 51+40=91, Resulting Numbers: [13, 82, 91] Generated Node #2: [13, 82, 91] from Operation: 51+40=91 Current State: 75:[13, 82, 91], Operations: ['51+40=91'] Exploring Operation: 91/13=7, Resulting Numbers: [82, 7] Generated Node #3: [82, 7] from Operation: 91/13=7 Current State: 75:[82, 7], Operations: ['51+40=91', '91/13=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[13, 51, 82, 40], Operations: [] Exploring Operation: 51-40=11, Resulting Numbers: [13, 82, 11] Generated Node #0,0: 75:[13, 82, 11] Operation: 51-40=11 Exploring Operation: 82-51=31, Resulting Numbers: [13, 40, 31] Generated Node #0,1: 75:[13, 40, 31] Operation: 82-51=31 Exploring Operation: 13+51=64, Resulting Numbers: [82, 40, 64] Generated Node #0,2: 75:[82, 40, 64] Operation: 13+51=64 Exploring Operation: 51+40=91, Resulting Numbers: [13, 82, 91] Generated Node #0,3: 75:[13, 82, 91] Operation: 51+40=91 Moving to Node #0,0 Current State: 75:[13, 82, 11], Operations: ['51-40=11'] Exploring Operation: 82-11=71, Resulting Numbers: [13, 71] Generated Node #0,0,0: 75:[13, 71] Operation: 82-11=71 Exploring Operation: 13-11=2, Resulting Numbers: [82, 2] Generated Node #0,0,1: 75:[82, 2] Operation: 13-11=2 Exploring Operation: 13+11=24, Resulting Numbers: [82, 24] Generated Node #0,0,2: 75:[82, 24] Operation: 13+11=24 Exploring Operation: 82-13=69, Resulting Numbers: [11, 69] Generated Node #0,0,3: 75:[11, 69] Operation: 82-13=69 Moving to Node #0,1 Current State: 75:[13, 40, 31], Operations: ['82-51=31'] Exploring Operation: 31-13=18, Resulting Numbers: [40, 18] Generated Node #0,1,0: 75:[40, 18] Operation: 31-13=18 Exploring Operation: 40+31=71, Resulting Numbers: [13, 71] Generated Node #0,1,1: 75:[13, 71] Operation: 40+31=71 Exploring Operation: 40-31=9, Resulting Numbers: [13, 9] Generated Node #0,1,2: 75:[13, 9] Operation: 40-31=9 Exploring Operation: 40-13=27, Resulting Numbers: [31, 27] Generated Node #0,1,3: 75:[31, 27] Operation: 40-13=27 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[13, 71], Operations: ['82-51=31', '40+31=71'] Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,75 unequal: No Solution Exploring Operation: 13+71=84, Resulting Numbers: [84] 84,75 unequal: No Solution Exploring Operation: 13*71=923, Resulting Numbers: [923] 923,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[13, 9], Operations: ['82-51=31', '40-31=9'] Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 75:[31, 27], Operations: ['82-51=31', '40-13=27'] Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,75 unequal: No Solution Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 31*27=837, Resulting Numbers: [837] 837,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[40, 18], Operations: ['82-51=31', '31-13=18'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,75 unequal: No Solution Exploring Operation: 40+18=58, Resulting Numbers: [58] 58,75 unequal: No Solution Exploring Operation: 40*18=720, Resulting Numbers: [720] 720,75 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: 75:[13, 82, 91], Operations: ['51+40=91'] Exploring Operation: 91-82=9, Resulting Numbers: [13, 9] Generated Node #0,3,0: 75:[13, 9] Operation: 91-82=9 Exploring Operation: 91-13=78, Resulting Numbers: [82, 78] Generated Node #0,3,1: 75:[82, 78] Operation: 91-13=78 Exploring Operation: 82-13=69, Resulting Numbers: [91, 69] Generated Node #0,3,2: 75:[91, 69] Operation: 82-13=69 Exploring Operation: 91/13=7, Resulting Numbers: [82, 7] Generated Node #0,3,3: 75:[82, 7] Operation: 91/13=7 Moving to Node #0,2 Current State: 75:[82, 40, 64], Operations: ['13+51=64'] Exploring Operation: 82-40=42, Resulting Numbers: [64, 42] Generated Node #0,2,0: 75:[64, 42] Operation: 82-40=42 Exploring Operation: 82-64=18, Resulting Numbers: [40, 18] Generated Node #0,2,1: 75:[40, 18] Operation: 82-64=18 Exploring Operation: 64-40=24, Resulting Numbers: [82, 24] Generated Node #0,2,2: 75:[82, 24] Operation: 64-40=24 Exploring Operation: 40+64=104, Resulting Numbers: [82, 104] Generated Node #0,2,3: 75:[82, 104] Operation: 40+64=104 Moving to Node #0,0,0 Current State: 75:[13, 71], Operations: ['51-40=11', '82-11=71'] Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,75 unequal: No Solution Exploring Operation: 13+71=84, Resulting Numbers: [84] 84,75 unequal: No Solution Exploring Operation: 13*71=923, Resulting Numbers: [923] 923,75 unequal: No Solution Moving to Node #0,3,0 Current State: 75:[13, 9], Operations: ['51+40=91', '91-82=9'] Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,75 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[82, 24], Operations: ['51-40=11', '13+11=24'] Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,75 unequal: No Solution Exploring Operation: 82*24=1968, Resulting Numbers: [1968] 1968,75 unequal: No Solution Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[82, 2], Operations: ['51-40=11', '13-11=2'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,75 unequal: No Solution Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,75 unequal: No Solution Exploring Operation: 82*2=164, Resulting Numbers: [164] 164,75 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[82, 24], Operations: ['13+51=64', '64-40=24'] Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,75 unequal: No Solution Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,75 unequal: No Solution Exploring Operation: 82*24=1968, Resulting Numbers: [1968] 1968,75 unequal: No Solution Moving to Node #0,3,3 Current State: 75:[82, 7], Operations: ['51+40=91', '91/13=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[13, 51, 82, 40], Operations: [] Exploring Operation: 51+40=91, Resulting Numbers: [13, 82, 91] Generated Node #0,3: 75:[13, 82, 91] Operation: 51+40=91 Moving to Node #0,3 Current State: 75:[13, 82, 91], Operations: ['51+40=91'] Exploring Operation: 91/13=7, Resulting Numbers: [82, 7] Generated Node #0,3,3: 75:[82, 7] Operation: 91/13=7 Moving to Node #0,3,3 Current State: 75:[82, 7], Operations: ['51+40=91', '91/13=7'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.953993
hs_4
mult_heuristic
[ 19, 31, 41, 83 ]
47
[ "31+83=114", "114/19=6", "41+6=47" ]
Current State: 47:[19, 31, 41, 83], Operations: [] Exploring Operation: 31+83=114, Resulting Numbers: [19, 41, 114] Generated Node #2: [19, 41, 114] from Operation: 31+83=114 Current State: 47:[19, 41, 114], Operations: ['31+83=114'] Exploring Operation: 114/19=6, Resulting Numbers: [41, 6] Generated Node #3: [41, 6] from Operation: 114/19=6 Current State: 47:[41, 6], Operations: ['31+83=114', '114/19=6'] Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[19, 31, 41, 83], Operations: [] Exploring Operation: 83-31=52, Resulting Numbers: [19, 41, 52] Generated Node #0,0: 47:[19, 41, 52] Operation: 83-31=52 Exploring Operation: 83-19=64, Resulting Numbers: [31, 41, 64] Generated Node #0,1: 47:[31, 41, 64] Operation: 83-19=64 Moving to Node #0,0 Current State: 47:[19, 41, 52], Operations: ['83-31=52'] Exploring Operation: 19+41=60, Resulting Numbers: [52, 60] Generated Node #0,0,0: 47:[52, 60] Operation: 19+41=60 Exploring Operation: 52-19=33, Resulting Numbers: [41, 33] Generated Node #0,0,1: 47:[41, 33] Operation: 52-19=33 Moving to Node #0,1 Current State: 47:[31, 41, 64], Operations: ['83-19=64'] Exploring Operation: 64-31=33, Resulting Numbers: [41, 33] Generated Node #0,1,0: 47:[41, 33] Operation: 64-31=33 Exploring Operation: 64-41=23, Resulting Numbers: [31, 23] Generated Node #0,1,1: 47:[31, 23] Operation: 64-41=23 Moving to Node #0,0,0 Current State: 47:[52, 60], Operations: ['83-31=52', '19+41=60'] Exploring Operation: 52+60=112, Resulting Numbers: [112] 112,47 unequal: No Solution Exploring Operation: 60-52=8, Resulting Numbers: [8] 8,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[41, 33], Operations: ['83-19=64', '64-31=33'] Exploring Operation: 41+33=74, Resulting Numbers: [74] 74,47 unequal: No Solution Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[41, 33], Operations: ['83-31=52', '52-19=33'] Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,47 unequal: No Solution Exploring Operation: 41+33=74, Resulting Numbers: [74] 74,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[31, 23], Operations: ['83-19=64', '64-41=23'] Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,47 unequal: No Solution Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,47 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 77, 57, 84, 19 ]
76
[ "84-77=7", "19*7=133", "133-57=76" ]
Current State: 76:[77, 57, 84, 19], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [57, 19, 7] Generated Node #2: [57, 19, 7] from Operation: 84-77=7 Current State: 76:[57, 19, 7], Operations: ['84-77=7'] Exploring Operation: 19*7=133, Resulting Numbers: [57, 133] Generated Node #3: [57, 133] from Operation: 19*7=133 Current State: 76:[57, 133], Operations: ['84-77=7', '19*7=133'] Exploring Operation: 133-57=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[77, 57, 84, 19], Operations: [] Exploring Operation: 57/19=3, Resulting Numbers: [77, 84, 3] Generated Node #0,0: 76:[77, 84, 3] Operation: 57/19=3 Exploring Operation: 84-57=27, Resulting Numbers: [77, 19, 27] Generated Node #0,1: 76:[77, 19, 27] Operation: 84-57=27 Exploring Operation: 77-57=20, Resulting Numbers: [84, 19, 20] Generated Node #0,2: 76:[84, 19, 20] Operation: 77-57=20 Exploring Operation: 57-19=38, Resulting Numbers: [77, 84, 38] Generated Node #0,3: 76:[77, 84, 38] Operation: 57-19=38 Exploring Operation: 57+19=76, Resulting Numbers: [77, 84, 76] Generated Node #0,4: 76:[77, 84, 76] Operation: 57+19=76 Moving to Node #0,1 Current State: 76:[77, 19, 27], Operations: ['84-57=27'] Exploring Operation: 77-27=50, Resulting Numbers: [19, 50] Generated Node #0,1,0: 76:[19, 50] Operation: 77-27=50 Exploring Operation: 19+27=46, Resulting Numbers: [77, 46] Generated Node #0,1,1: 76:[77, 46] Operation: 19+27=46 Exploring Operation: 77+19=96, Resulting Numbers: [27, 96] Generated Node #0,1,2: 76:[27, 96] Operation: 77+19=96 Exploring Operation: 77-19=58, Resulting Numbers: [27, 58] Generated Node #0,1,3: 76:[27, 58] Operation: 77-19=58 Exploring Operation: 27-19=8, Resulting Numbers: [77, 8] Generated Node #0,1,4: 76:[77, 8] Operation: 27-19=8 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 76:[77, 8], Operations: ['84-57=27', '27-19=8'] Exploring Operation: 77*8=616, Resulting Numbers: [616] 616,76 unequal: No Solution Exploring Operation: 77+8=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,76 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 #0,1,1 Current State: 76:[77, 46], Operations: ['84-57=27', '19+27=46'] Exploring Operation: 77+46=123, Resulting Numbers: [123] 123,76 unequal: No Solution Exploring Operation: 77*46=3542, Resulting Numbers: [3542] 3542,76 unequal: No Solution Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,76 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 #0,1,0 Current State: 76:[19, 50], Operations: ['84-57=27', '77-27=50'] Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 19+50=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 19*50=950, Resulting Numbers: [950] 950,76 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 #0,1,3 Current State: 76:[27, 58], Operations: ['84-57=27', '77-19=58'] Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 27+58=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 27*58=1566, Resulting Numbers: [1566] 1566,76 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 #0,1,2 Current State: 76:[27, 96], Operations: ['84-57=27', '77+19=96'] Exploring Operation: 96-27=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 27+96=123, Resulting Numbers: [123] 123,76 unequal: No Solution Exploring Operation: 27*96=2592, Resulting Numbers: [2592] 2592,76 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: 76:[77, 84, 38], Operations: ['57-19=38'] Exploring Operation: 84-38=46, Resulting Numbers: [77, 46] Generated Node #0,3,0: 76:[77, 46] Operation: 84-38=46 Exploring Operation: 77+38=115, Resulting Numbers: [84, 115] Generated Node #0,3,1: 76:[84, 115] Operation: 77+38=115 Exploring Operation: 84-77=7, Resulting Numbers: [38, 7] Generated Node #0,3,2: 76:[38, 7] Operation: 84-77=7 Exploring Operation: 84+38=122, Resulting Numbers: [77, 122] Generated Node #0,3,3: 76:[77, 122] Operation: 84+38=122 Exploring Operation: 77-38=39, Resulting Numbers: [84, 39] Generated Node #0,3,4: 76:[84, 39] Operation: 77-38=39 Moving to Node #0,2 Current State: 76:[84, 19, 20], Operations: ['77-57=20'] Exploring Operation: 19+20=39, Resulting Numbers: [84, 39] Generated Node #0,2,0: 76:[84, 39] Operation: 19+20=39 Exploring Operation: 84+19=103, Resulting Numbers: [20, 103] Generated Node #0,2,1: 76:[20, 103] Operation: 84+19=103 Exploring Operation: 84-20=64, Resulting Numbers: [19, 64] Generated Node #0,2,2: 76:[19, 64] Operation: 84-20=64 Exploring Operation: 84-19=65, Resulting Numbers: [20, 65] Generated Node #0,2,3: 76:[20, 65] Operation: 84-19=65 Exploring Operation: 20-19=1, Resulting Numbers: [84, 1] Generated Node #0,2,4: 76:[84, 1] Operation: 20-19=1 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 76:[84, 39], Operations: ['77-57=20', '19+20=39'] Exploring Operation: 84+39=123, Resulting Numbers: [123] 123,76 unequal: No Solution Exploring Operation: 84-39=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 84*39=3276, Resulting Numbers: [3276] 3276,76 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 #0,2,4 Current State: 76:[84, 1], Operations: ['77-57=20', '20-19=1'] Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,76 unequal: No Solution Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,76 unequal: No Solution Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,76 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:[19, 64], Operations: ['77-57=20', '84-20=64'] Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 19+64=83, Resulting Numbers: [83] 83,76 unequal: No Solution Exploring Operation: 19*64=1216, Resulting Numbers: [1216] 1216,76 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 #0,2,3 Current State: 76:[20, 65], Operations: ['77-57=20', '84-19=65'] Exploring Operation: 20*65=1300, Resulting Numbers: [1300] 1300,76 unequal: No Solution Exploring Operation: 20+65=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 65-20=45, Resulting Numbers: [45] 45,76 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:[20, 103], Operations: ['77-57=20', '84+19=103'] Exploring Operation: 103-20=83, Resulting Numbers: [83] 83,76 unequal: No Solution Exploring Operation: 20+103=123, Resulting Numbers: [123] 123,76 unequal: No Solution Exploring Operation: 20*103=2060, Resulting Numbers: [2060] 2060,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 76:[77, 84, 76], Operations: ['57+19=76'] Exploring Operation: 77-76=1, Resulting Numbers: [84, 1] Generated Node #0,4,0: 76:[84, 1] Operation: 77-76=1 Exploring Operation: 77+76=153, Resulting Numbers: [84, 153] Generated Node #0,4,1: 76:[84, 153] Operation: 77+76=153 Exploring Operation: 84-77=7, Resulting Numbers: [76, 7] Generated Node #0,4,2: 76:[76, 7] Operation: 84-77=7 Exploring Operation: 84-76=8, Resulting Numbers: [77, 8] Generated Node #0,4,3: 76:[77, 8] Operation: 84-76=8 Exploring Operation: 77+84=161, Resulting Numbers: [76, 161] Generated Node #0,4,4: 76:[76, 161] Operation: 77+84=161 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 76:[76, 7], Operations: ['57+19=76', '84-77=7'] Exploring Operation: 76*7=532, Resulting Numbers: [532] 532,76 unequal: No Solution Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 76+7=83, Resulting Numbers: [83] 83,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 76:[77, 8], Operations: ['57+19=76', '84-76=8'] Exploring Operation: 77*8=616, Resulting Numbers: [616] 616,76 unequal: No Solution Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,76 unequal: No Solution Exploring Operation: 77+8=85, Resulting Numbers: [85] 85,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 76:[84, 1], Operations: ['57+19=76', '77-76=1'] Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,76 unequal: No Solution Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,76 unequal: No Solution Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 76:[84, 153], Operations: ['57+19=76', '77+76=153'] Exploring Operation: 84+153=237, Resulting Numbers: [237] 237,76 unequal: No Solution Exploring Operation: 84*153=12852, Resulting Numbers: [12852] 12852,76 unequal: No Solution Exploring Operation: 153-84=69, Resulting Numbers: [69] 69,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 76:[76, 161], Operations: ['57+19=76', '77+84=161'] Exploring Operation: 161-76=85, Resulting Numbers: [85] 85,76 unequal: No Solution Exploring Operation: 76+161=237, Resulting Numbers: [237] 237,76 unequal: No Solution Exploring Operation: 76*161=12236, Resulting Numbers: [12236] 12236,76 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: 76:[77, 84, 3], Operations: ['57/19=3'] Exploring Operation: 84-77=7, Resulting Numbers: [3, 7] Generated Node #0,0,0: 76:[3, 7] Operation: 84-77=7 Exploring Operation: 77-3=74, Resulting Numbers: [84, 74] Generated Node #0,0,1: 76:[84, 74] Operation: 77-3=74 Exploring Operation: 77+3=80, Resulting Numbers: [84, 80] Generated Node #0,0,2: 76:[84, 80] Operation: 77+3=80 Exploring Operation: 84-3=81, Resulting Numbers: [77, 81] Generated Node #0,0,3: 76:[77, 81] Operation: 84-3=81 Exploring Operation: 84/3=28, Resulting Numbers: [77, 28] Generated Node #0,0,4: 76:[77, 28] Operation: 84/3=28 Moving to Node #0,3,2 Current State: 76:[38, 7], Operations: ['57-19=38', '84-77=7'] Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[3, 7], Operations: ['57/19=3', '84-77=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,76 unequal: No Solution Moving to Node #0,0,3 Current State: 76:[77, 81], Operations: ['57/19=3', '84-3=81'] Exploring Operation: 77+81=158, Resulting Numbers: [158] 158,76 unequal: No Solution Exploring Operation: 81-77=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 77*81=6237, Resulting Numbers: [6237] 6237,76 unequal: No Solution Moving to Node #0,3,4 Current State: 76:[84, 39], Operations: ['57-19=38', '77-38=39'] Exploring Operation: 84-39=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 84+39=123, Resulting Numbers: [123] 123,76 unequal: No Solution Exploring Operation: 84*39=3276, Resulting Numbers: [3276] 3276,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[77, 46], Operations: ['57-19=38', '84-38=46'] Exploring Operation: 77*46=3542, Resulting Numbers: [3542] 3542,76 unequal: No Solution Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 77+46=123, Resulting Numbers: [123] 123,76 unequal: No Solution Moving to Node #0,0,4 Current State: 76:[77, 28], Operations: ['57/19=3', '84/3=28'] Exploring Operation: 77*28=2156, Resulting Numbers: [2156] 2156,76 unequal: No Solution Exploring Operation: 77+28=105, Resulting Numbers: [105] 105,76 unequal: No Solution Exploring Operation: 77-28=49, Resulting Numbers: [49] 49,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[84, 74], Operations: ['57/19=3', '77-3=74'] Exploring Operation: 84-74=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 84*74=6216, Resulting Numbers: [6216] 6216,76 unequal: No Solution Exploring Operation: 84+74=158, Resulting Numbers: [158] 158,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[84, 80], Operations: ['57/19=3', '77+3=80'] Exploring Operation: 84-80=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 84+80=164, Resulting Numbers: [164] 164,76 unequal: No Solution Exploring Operation: 84*80=6720, Resulting Numbers: [6720] 6720,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[77, 122], Operations: ['57-19=38', '84+38=122'] Exploring Operation: 77+122=199, Resulting Numbers: [199] 199,76 unequal: No Solution Exploring Operation: 77*122=9394, Resulting Numbers: [9394] 9394,76 unequal: No Solution Exploring Operation: 122-77=45, Resulting Numbers: [45] 45,76 unequal: No Solution Moving to Node #0,3,1 Current State: 76:[84, 115], Operations: ['57-19=38', '77+38=115'] Exploring Operation: 84+115=199, Resulting Numbers: [199] 199,76 unequal: No Solution Exploring Operation: 115-84=31, Resulting Numbers: [31] 31,76 unequal: No Solution Exploring Operation: 84*115=9660, Resulting Numbers: [9660] 9660,76 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 90, 88, 70, 2 ]
19
[ "90+88=178", "178/2=89", "89-70=19" ]
Current State: 19:[90, 88, 70, 2], Operations: [] Exploring Operation: 90+88=178, Resulting Numbers: [70, 2, 178] Generated Node #2: [70, 2, 178] from Operation: 90+88=178 Current State: 19:[70, 2, 178], Operations: ['90+88=178'] Exploring Operation: 178/2=89, Resulting Numbers: [70, 89] Generated Node #3: [70, 89] from Operation: 178/2=89 Current State: 19:[70, 89], Operations: ['90+88=178', '178/2=89'] Exploring Operation: 89-70=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[90, 88, 70, 2], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [70, 2, 2] Generated Node #0,0: 19:[70, 2, 2] Operation: 90-88=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[70, 2, 2], Operations: ['90-88=2'] Exploring Operation: 70/2=35, Resulting Numbers: [2, 35] Generated Node #0,0,0: 19:[2, 35] Operation: 70/2=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[2, 35], Operations: ['90-88=2', '70/2=35'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 77, 14, 80, 67 ]
25
[ "80-77=3", "14*3=42", "67-42=25" ]
Current State: 25:[77, 14, 80, 67], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [14, 67, 3] Generated Node #2: [14, 67, 3] from Operation: 80-77=3 Current State: 25:[14, 67, 3], Operations: ['80-77=3'] Exploring Operation: 14*3=42, Resulting Numbers: [67, 42] Generated Node #3: [67, 42] from Operation: 14*3=42 Current State: 25:[67, 42], Operations: ['80-77=3', '14*3=42'] Exploring Operation: 67-42=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[77, 14, 80, 67], Operations: [] Exploring Operation: 80-77=3, Resulting Numbers: [14, 67, 3] Generated Node #0,0: 25:[14, 67, 3] Operation: 80-77=3 Exploring Operation: 77-67=10, Resulting Numbers: [14, 80, 10] Generated Node #0,1: 25:[14, 80, 10] Operation: 77-67=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[14, 67, 3], Operations: ['80-77=3'] Exploring Operation: 67-14=53, Resulting Numbers: [3, 53] Generated Node #0,0,0: 25:[3, 53] Operation: 67-14=53 Exploring Operation: 14-3=11, Resulting Numbers: [67, 11] Generated Node #0,0,1: 25:[67, 11] Operation: 14-3=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[3, 53], Operations: ['80-77=3', '67-14=53'] Exploring Operation: 3+53=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[67, 11], Operations: ['80-77=3', '14-3=11'] Exploring Operation: 67+11=78, Resulting Numbers: [78] 78,25 unequal: No Solution Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,25 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: 25:[14, 80, 10], Operations: ['77-67=10'] Exploring Operation: 80/10=8, Resulting Numbers: [14, 8] Generated Node #0,1,0: 25:[14, 8] Operation: 80/10=8 Exploring Operation: 80-14=66, Resulting Numbers: [10, 66] Generated Node #0,1,1: 25:[10, 66] Operation: 80-14=66 Moving to Node #0,1,0 Current State: 25:[14, 8], Operations: ['77-67=10', '80/10=8'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,25 unequal: No Solution Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[10, 66], Operations: ['77-67=10', '80-14=66'] Exploring Operation: 10+66=76, Resulting Numbers: [76] 76,25 unequal: No Solution Exploring Operation: 66-10=56, Resulting Numbers: [56] 56,25 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
[ 77, 36, 28, 79 ]
20
[ "77*36=2772", "2772/28=99", "99-79=20" ]
Current State: 20:[77, 36, 28, 79], Operations: [] Exploring Operation: 77*36=2772, Resulting Numbers: [28, 79, 2772] Generated Node #2: [28, 79, 2772] from Operation: 77*36=2772 Current State: 20:[28, 79, 2772], Operations: ['77*36=2772'] Exploring Operation: 2772/28=99, Resulting Numbers: [79, 99] Generated Node #3: [79, 99] from Operation: 2772/28=99 Current State: 20:[79, 99], Operations: ['77*36=2772', '2772/28=99'] Exploring Operation: 99-79=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[77, 36, 28, 79], Operations: [] Exploring Operation: 77-36=41, Resulting Numbers: [28, 79, 41] Generated Node #0,0: 20:[28, 79, 41] Operation: 77-36=41 Exploring Operation: 79-77=2, Resulting Numbers: [36, 28, 2] Generated Node #0,1: 20:[36, 28, 2] Operation: 79-77=2 Exploring Operation: 77-28=49, Resulting Numbers: [36, 79, 49] Generated Node #0,2: 20:[36, 79, 49] Operation: 77-28=49 Exploring Operation: 79-36=43, Resulting Numbers: [77, 28, 43] Generated Node #0,3: 20:[77, 28, 43] Operation: 79-36=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[36, 28, 2], Operations: ['79-77=2'] Exploring Operation: 28/2=14, Resulting Numbers: [36, 14] Generated Node #0,1,0: 20:[36, 14] Operation: 28/2=14 Exploring Operation: 36-28=8, Resulting Numbers: [2, 8] Generated Node #0,1,1: 20:[2, 8] Operation: 36-28=8 Exploring Operation: 36/2=18, Resulting Numbers: [28, 18] Generated Node #0,1,2: 20:[28, 18] Operation: 36/2=18 Exploring Operation: 36-2=34, Resulting Numbers: [28, 34] Generated Node #0,1,3: 20:[28, 34] Operation: 36-2=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[2, 8], Operations: ['79-77=2', '36-28=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 20:[28, 18], Operations: ['79-77=2', '36/2=18'] Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,20 unequal: No Solution Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[36, 14], Operations: ['79-77=2', '28/2=14'] Exploring Operation: 36+14=50, Resulting Numbers: [50] 50,20 unequal: No Solution Exploring Operation: 36*14=504, Resulting Numbers: [504] 504,20 unequal: No Solution Exploring Operation: 36-14=22, Resulting Numbers: [22] 22,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 20:[28, 34], Operations: ['79-77=2', '36-2=34'] Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[28, 79, 41], Operations: ['77-36=41'] Exploring Operation: 41-28=13, Resulting Numbers: [79, 13] Generated Node #0,0,0: 20:[79, 13] Operation: 41-28=13 Exploring Operation: 28+79=107, Resulting Numbers: [41, 107] Generated Node #0,0,1: 20:[41, 107] Operation: 28+79=107 Exploring Operation: 79-41=38, Resulting Numbers: [28, 38] Generated Node #0,0,2: 20:[28, 38] Operation: 79-41=38 Exploring Operation: 79-28=51, Resulting Numbers: [41, 51] Generated Node #0,0,3: 20:[41, 51] Operation: 79-28=51 Moving to Node #0,0,2 Current State: 20:[28, 38], Operations: ['77-36=41', '79-41=38'] Exploring Operation: 28*38=1064, Resulting Numbers: [1064] 1064,20 unequal: No Solution Exploring Operation: 28+38=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,20 unequal: No Solution Moving to Node #0,0,3 Current State: 20:[41, 51], Operations: ['77-36=41', '79-28=51'] Exploring Operation: 41+51=92, Resulting Numbers: [92] 92,20 unequal: No Solution Exploring Operation: 41*51=2091, Resulting Numbers: [2091] 2091,20 unequal: No Solution Exploring Operation: 51-41=10, Resulting Numbers: [10] 10,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[79, 13], Operations: ['77-36=41', '41-28=13'] Exploring Operation: 79+13=92, Resulting Numbers: [92] 92,20 unequal: No Solution Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 79*13=1027, Resulting Numbers: [1027] 1027,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[41, 107], Operations: ['77-36=41', '28+79=107'] Exploring Operation: 41+107=148, Resulting Numbers: [148] 148,20 unequal: No Solution Exploring Operation: 107-41=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 41*107=4387, Resulting Numbers: [4387] 4387,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[77, 28, 43], Operations: ['79-36=43'] Exploring Operation: 43-28=15, Resulting Numbers: [77, 15] Generated Node #0,3,0: 20:[77, 15] Operation: 43-28=15 Exploring Operation: 77+28=105, Resulting Numbers: [43, 105] Generated Node #0,3,1: 20:[43, 105] Operation: 77+28=105 Exploring Operation: 77-28=49, Resulting Numbers: [43, 49] Generated Node #0,3,2: 20:[43, 49] Operation: 77-28=49 Exploring Operation: 77-43=34, Resulting Numbers: [28, 34] Generated Node #0,3,3: 20:[28, 34] Operation: 77-43=34 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 20:[28, 34], Operations: ['79-36=43', '77-43=34'] Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 20:[43, 49], Operations: ['79-36=43', '77-28=49'] Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 43+49=92, Resulting Numbers: [92] 92,20 unequal: No Solution Exploring Operation: 43*49=2107, Resulting Numbers: [2107] 2107,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 20:[77, 15], Operations: ['79-36=43', '43-28=15'] Exploring Operation: 77+15=92, Resulting Numbers: [92] 92,20 unequal: No Solution Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 77*15=1155, Resulting Numbers: [1155] 1155,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 20:[43, 105], Operations: ['79-36=43', '77+28=105'] Exploring Operation: 43*105=4515, Resulting Numbers: [4515] 4515,20 unequal: No Solution Exploring Operation: 105-43=62, Resulting Numbers: [62] 62,20 unequal: No Solution Exploring Operation: 43+105=148, Resulting Numbers: [148] 148,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[36, 79, 49], Operations: ['77-28=49'] Exploring Operation: 49-36=13, Resulting Numbers: [79, 13] Generated Node #0,2,0: 20:[79, 13] Operation: 49-36=13 Exploring Operation: 36+79=115, Resulting Numbers: [49, 115] Generated Node #0,2,1: 20:[49, 115] Operation: 36+79=115 Exploring Operation: 79-36=43, Resulting Numbers: [49, 43] Generated Node #0,2,2: 20:[49, 43] Operation: 79-36=43 Exploring Operation: 79-49=30, Resulting Numbers: [36, 30] Generated Node #0,2,3: 20:[36, 30] Operation: 79-49=30 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 20:[36, 30], Operations: ['77-28=49', '79-49=30'] Exploring Operation: 36*30=1080, Resulting Numbers: [1080] 1080,20 unequal: No Solution Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 36+30=66, Resulting Numbers: [66] 66,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 20:[49, 43], Operations: ['77-28=49', '79-36=43'] Exploring Operation: 49+43=92, Resulting Numbers: [92] 92,20 unequal: No Solution Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 49*43=2107, Resulting Numbers: [2107] 2107,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 20:[79, 13], Operations: ['77-28=49', '49-36=13'] Exploring Operation: 79*13=1027, Resulting Numbers: [1027] 1027,20 unequal: No Solution Exploring Operation: 79+13=92, Resulting Numbers: [92] 92,20 unequal: No Solution Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 20:[49, 115], Operations: ['77-28=49', '36+79=115'] Exploring Operation: 49+115=164, Resulting Numbers: [164] 164,20 unequal: No Solution Exploring Operation: 115-49=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 49*115=5635, Resulting Numbers: [5635] 5635,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 35, 17, 2, 37 ]
38
[ "35-17=18", "37-18=19", "2*19=38" ]
Current State: 38:[35, 17, 2, 37], Operations: [] Exploring Operation: 35-17=18, Resulting Numbers: [2, 37, 18] Generated Node #2: [2, 37, 18] from Operation: 35-17=18 Current State: 38:[2, 37, 18], Operations: ['35-17=18'] Exploring Operation: 37-18=19, Resulting Numbers: [2, 19] Generated Node #3: [2, 19] from Operation: 37-18=19 Current State: 38:[2, 19], Operations: ['35-17=18', '37-18=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[35, 17, 2, 37], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [17, 2, 2] Generated Node #0,0: 38:[17, 2, 2] Operation: 37-35=2 Exploring Operation: 35-17=18, Resulting Numbers: [2, 37, 18] Generated Node #0,1: 38:[2, 37, 18] Operation: 35-17=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[17, 2, 2], Operations: ['37-35=2'] Exploring Operation: 17+2=19, Resulting Numbers: [2, 19] Generated Node #0,0,0: 38:[2, 19] Operation: 17+2=19 Exploring Operation: 17+2=19, Resulting Numbers: [2, 19] Generated Node #0,0,1: 38:[2, 19] Operation: 17+2=19 Moving to Node #0,0,0 Current State: 38:[2, 19], Operations: ['37-35=2', '17+2=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[35, 17, 2, 37], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [17, 2, 2] Generated Node #0,0: 38:[17, 2, 2] Operation: 37-35=2 Moving to Node #0,0 Current State: 38:[17, 2, 2], Operations: ['37-35=2'] Exploring Operation: 17+2=19, Resulting Numbers: [2, 19] Generated Node #0,0,0: 38:[2, 19] Operation: 17+2=19 Moving to Node #0,0,0 Current State: 38:[2, 19], Operations: ['37-35=2', '17+2=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 99, 43, 1, 5 ]
50
[ "99-43=56", "1+5=6", "56-6=50" ]
Current State: 50:[99, 43, 1, 5], Operations: [] Exploring Operation: 99-43=56, Resulting Numbers: [1, 5, 56] Generated Node #2: [1, 5, 56] from Operation: 99-43=56 Current State: 50:[1, 5, 56], Operations: ['99-43=56'] Exploring Operation: 1+5=6, Resulting Numbers: [56, 6] Generated Node #3: [56, 6] from Operation: 1+5=6 Current State: 50:[56, 6], Operations: ['99-43=56', '1+5=6'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[99, 43, 1, 5], Operations: [] Exploring Operation: 99-43=56, Resulting Numbers: [1, 5, 56] Generated Node #0,0: 50:[1, 5, 56] Operation: 99-43=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[1, 5, 56], Operations: ['99-43=56'] Exploring Operation: 56-5=51, Resulting Numbers: [1, 51] Generated Node #0,0,0: 50:[1, 51] Operation: 56-5=51 Moving to Node #0,0,0 Current State: 50:[1, 51], Operations: ['99-43=56', '56-5=51'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[99, 43, 1, 5], Operations: [] Exploring Operation: 99-43=56, Resulting Numbers: [1, 5, 56] Generated Node #0,0: 50:[1, 5, 56] Operation: 99-43=56 Moving to Node #0,0 Current State: 50:[1, 5, 56], Operations: ['99-43=56'] Exploring Operation: 56-5=51, Resulting Numbers: [1, 51] Generated Node #0,0,0: 50:[1, 51] Operation: 56-5=51 Moving to Node #0,0,0 Current State: 50:[1, 51], Operations: ['99-43=56', '56-5=51'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 69, 30, 41, 36 ]
94
[ "69+30=99", "41-36=5", "99-5=94" ]
Current State: 94:[69, 30, 41, 36], Operations: [] Exploring Operation: 69+30=99, Resulting Numbers: [41, 36, 99] Generated Node #2: [41, 36, 99] from Operation: 69+30=99 Current State: 94:[41, 36, 99], Operations: ['69+30=99'] Exploring Operation: 41-36=5, Resulting Numbers: [99, 5] Generated Node #3: [99, 5] from Operation: 41-36=5 Current State: 94:[99, 5], Operations: ['69+30=99', '41-36=5'] Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[69, 30, 41, 36], Operations: [] Exploring Operation: 69-30=39, Resulting Numbers: [41, 36, 39] Generated Node #0,0: 94:[41, 36, 39] Operation: 69-30=39 Exploring Operation: 69+30=99, Resulting Numbers: [41, 36, 99] Generated Node #0,1: 94:[41, 36, 99] Operation: 69+30=99 Exploring Operation: 36-30=6, Resulting Numbers: [69, 41, 6] Generated Node #0,2: 94:[69, 41, 6] Operation: 36-30=6 Exploring Operation: 69+36=105, Resulting Numbers: [30, 41, 105] Generated Node #0,3: 94:[30, 41, 105] Operation: 69+36=105 Moving to Node #0,1 Current State: 94:[41, 36, 99], Operations: ['69+30=99'] Exploring Operation: 41-36=5, Resulting Numbers: [99, 5] Generated Node #0,1,0: 94:[99, 5] Operation: 41-36=5 Exploring Operation: 41+36=77, Resulting Numbers: [99, 77] Generated Node #0,1,1: 94:[99, 77] Operation: 41+36=77 Exploring Operation: 99-41=58, Resulting Numbers: [36, 58] Generated Node #0,1,2: 94:[36, 58] Operation: 99-41=58 Exploring Operation: 99-36=63, Resulting Numbers: [41, 63] Generated Node #0,1,3: 94:[41, 63] Operation: 99-36=63 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[99, 5], Operations: ['69+30=99', '41-36=5'] Exploring Operation: 99*5=495, Resulting Numbers: [495] 495,94 unequal: No Solution Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[69, 30, 41, 36], Operations: [] Exploring Operation: 69+30=99, Resulting Numbers: [41, 36, 99] Generated Node #0,1: 94:[41, 36, 99] Operation: 69+30=99 Moving to Node #0,1 Current State: 94:[41, 36, 99], Operations: ['69+30=99'] Exploring Operation: 41-36=5, Resulting Numbers: [99, 5] Generated Node #0,1,0: 94:[99, 5] Operation: 41-36=5 Moving to Node #0,1,0 Current State: 94:[99, 5], Operations: ['69+30=99', '41-36=5'] Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 26, 48, 69, 72 ]
25
[ "48-26=22", "72-69=3", "22+3=25" ]
Current State: 25:[26, 48, 69, 72], Operations: [] Exploring Operation: 48-26=22, Resulting Numbers: [69, 72, 22] Generated Node #2: [69, 72, 22] from Operation: 48-26=22 Current State: 25:[69, 72, 22], Operations: ['48-26=22'] Exploring Operation: 72-69=3, Resulting Numbers: [22, 3] Generated Node #3: [22, 3] from Operation: 72-69=3 Current State: 25:[22, 3], Operations: ['48-26=22', '72-69=3'] Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[26, 48, 69, 72], Operations: [] Exploring Operation: 72-48=24, Resulting Numbers: [26, 69, 24] Generated Node #0,0: 25:[26, 69, 24] Operation: 72-48=24 Exploring Operation: 72-69=3, Resulting Numbers: [26, 48, 3] Generated Node #0,1: 25:[26, 48, 3] Operation: 72-69=3 Moving to Node #0,1 Current State: 25:[26, 48, 3], Operations: ['72-69=3'] Exploring Operation: 48/3=16, Resulting Numbers: [26, 16] Generated Node #0,1,0: 25:[26, 16] Operation: 48/3=16 Exploring Operation: 48-26=22, Resulting Numbers: [3, 22] Generated Node #0,1,1: 25:[3, 22] Operation: 48-26=22 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 25:[3, 22], Operations: ['72-69=3', '48-26=22'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,25 unequal: No Solution Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[26, 48, 69, 72], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [26, 48, 3] Generated Node #0,1: 25:[26, 48, 3] Operation: 72-69=3 Moving to Node #0,1 Current State: 25:[26, 48, 3], Operations: ['72-69=3'] Exploring Operation: 48-26=22, Resulting Numbers: [3, 22] Generated Node #0,1,1: 25:[3, 22] Operation: 48-26=22 Moving to Node #0,1,1 Current State: 25:[3, 22], Operations: ['72-69=3', '48-26=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 43, 47, 10, 53 ]
48
[ "43+10=53", "53/53=1", "47+1=48" ]
Current State: 48:[43, 47, 10, 53], Operations: [] Exploring Operation: 43+10=53, Resulting Numbers: [47, 53, 53] Generated Node #2: [47, 53, 53] from Operation: 43+10=53 Current State: 48:[47, 53, 53], Operations: ['43+10=53'] Exploring Operation: 53/53=1, Resulting Numbers: [47, 1] Generated Node #3: [47, 1] from Operation: 53/53=1 Current State: 48:[47, 1], Operations: ['43+10=53', '53/53=1'] Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[43, 47, 10, 53], Operations: [] Exploring Operation: 53-43=10, Resulting Numbers: [47, 10, 10] Generated Node #0,0: 48:[47, 10, 10] Operation: 53-43=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[47, 10, 10], Operations: ['53-43=10'] Exploring Operation: 10/10=1, Resulting Numbers: [47, 1] Generated Node #0,0,0: 48:[47, 1] Operation: 10/10=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[47, 1], Operations: ['53-43=10', '10/10=1'] Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[43, 47, 10, 53], Operations: [] Exploring Operation: 53-43=10, Resulting Numbers: [47, 10, 10] Generated Node #0,0: 48:[47, 10, 10] Operation: 53-43=10 Moving to Node #0,0 Current State: 48:[47, 10, 10], Operations: ['53-43=10'] Exploring Operation: 10/10=1, Resulting Numbers: [47, 1] Generated Node #0,0,0: 48:[47, 1] Operation: 10/10=1 Moving to Node #0,0,0 Current State: 48:[47, 1], Operations: ['53-43=10', '10/10=1'] Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 58, 92, 6, 60 ]
88
[ "92-58=34", "60-6=54", "34+54=88" ]
Current State: 88:[58, 92, 6, 60], Operations: [] Exploring Operation: 92-58=34, Resulting Numbers: [6, 60, 34] Generated Node #2: [6, 60, 34] from Operation: 92-58=34 Current State: 88:[6, 60, 34], Operations: ['92-58=34'] Exploring Operation: 60-6=54, Resulting Numbers: [34, 54] Generated Node #3: [34, 54] from Operation: 60-6=54 Current State: 88:[34, 54], Operations: ['92-58=34', '60-6=54'] Exploring Operation: 34+54=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[58, 92, 6, 60], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [92, 6, 2] Generated Node #0,0: 88:[92, 6, 2] Operation: 60-58=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[92, 6, 2], Operations: ['60-58=2'] Exploring Operation: 92-6=86, Resulting Numbers: [2, 86] Generated Node #0,0,0: 88:[2, 86] Operation: 92-6=86 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[2, 86], Operations: ['60-58=2', '92-6=86'] Exploring Operation: 2+86=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[58, 92, 6, 60], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [92, 6, 2] Generated Node #0,0: 88:[92, 6, 2] Operation: 60-58=2 Moving to Node #0,0 Current State: 88:[92, 6, 2], Operations: ['60-58=2'] Exploring Operation: 92-6=86, Resulting Numbers: [2, 86] Generated Node #0,0,0: 88:[2, 86] Operation: 92-6=86 Moving to Node #0,0,0 Current State: 88:[2, 86], Operations: ['60-58=2', '92-6=86'] Exploring Operation: 2+86=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 62, 77, 65, 51 ]
94
[ "65-62=3", "51/3=17", "77+17=94" ]
Current State: 94:[62, 77, 65, 51], Operations: [] Exploring Operation: 65-62=3, Resulting Numbers: [77, 51, 3] Generated Node #2: [77, 51, 3] from Operation: 65-62=3 Current State: 94:[77, 51, 3], Operations: ['65-62=3'] Exploring Operation: 51/3=17, Resulting Numbers: [77, 17] Generated Node #3: [77, 17] from Operation: 51/3=17 Current State: 94:[77, 17], Operations: ['65-62=3', '51/3=17'] Exploring Operation: 77+17=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[62, 77, 65, 51], Operations: [] Exploring Operation: 65-62=3, Resulting Numbers: [77, 51, 3] Generated Node #0,0: 94:[77, 51, 3] Operation: 65-62=3 Exploring Operation: 77-65=12, Resulting Numbers: [62, 51, 12] Generated Node #0,1: 94:[62, 51, 12] Operation: 77-65=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[77, 51, 3], Operations: ['65-62=3'] Exploring Operation: 51-3=48, Resulting Numbers: [77, 48] Generated Node #0,0,0: 94:[77, 48] Operation: 51-3=48 Exploring Operation: 77+3=80, Resulting Numbers: [51, 80] Generated Node #0,0,1: 94:[51, 80] Operation: 77+3=80 Moving to Node #0,0,0 Current State: 94:[77, 48], Operations: ['65-62=3', '51-3=48'] Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,94 unequal: No Solution Exploring Operation: 77+48=125, Resulting Numbers: [125] 125,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[51, 80], Operations: ['65-62=3', '77+3=80'] Exploring Operation: 51+80=131, Resulting Numbers: [131] 131,94 unequal: No Solution Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[62, 51, 12], Operations: ['77-65=12'] Exploring Operation: 62-51=11, Resulting Numbers: [12, 11] Generated Node #0,1,0: 94:[12, 11] Operation: 62-51=11 Exploring Operation: 62-12=50, Resulting Numbers: [51, 50] Generated Node #0,1,1: 94:[51, 50] Operation: 62-12=50 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[51, 50], Operations: ['77-65=12', '62-12=50'] Exploring Operation: 51+50=101, Resulting Numbers: [101] 101,94 unequal: No Solution Exploring Operation: 51-50=1, Resulting Numbers: [1] 1,94 unequal: No Solution No 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: 94:[12, 11], Operations: ['77-65=12', '62-51=11'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,94 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
[ 17, 68, 51, 89 ]
54
[ "89-17=72", "51*72=3672", "3672/68=54" ]
Current State: 54:[17, 68, 51, 89], Operations: [] Exploring Operation: 89-17=72, Resulting Numbers: [68, 51, 72] Generated Node #2: [68, 51, 72] from Operation: 89-17=72 Current State: 54:[68, 51, 72], Operations: ['89-17=72'] Exploring Operation: 51*72=3672, Resulting Numbers: [68, 3672] Generated Node #3: [68, 3672] from Operation: 51*72=3672 Current State: 54:[68, 3672], Operations: ['89-17=72', '51*72=3672'] Exploring Operation: 3672/68=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[17, 68, 51, 89], Operations: [] Exploring Operation: 89-68=21, Resulting Numbers: [17, 51, 21] Generated Node #0,0: 54:[17, 51, 21] Operation: 89-68=21 Exploring Operation: 89-17=72, Resulting Numbers: [68, 51, 72] Generated Node #0,1: 54:[68, 51, 72] Operation: 89-17=72 Exploring Operation: 89-51=38, Resulting Numbers: [17, 68, 38] Generated Node #0,2: 54:[17, 68, 38] Operation: 89-51=38 Exploring Operation: 68-51=17, Resulting Numbers: [17, 89, 17] Generated Node #0,3: 54:[17, 89, 17] Operation: 68-51=17 Moving to Node #0,0 Current State: 54:[17, 51, 21], Operations: ['89-68=21'] Exploring Operation: 21-17=4, Resulting Numbers: [51, 4] Generated Node #0,0,0: 54:[51, 4] Operation: 21-17=4 Exploring Operation: 51/17=3, Resulting Numbers: [21, 3] Generated Node #0,0,1: 54:[21, 3] Operation: 51/17=3 Exploring Operation: 51-21=30, Resulting Numbers: [17, 30] Generated Node #0,0,2: 54:[17, 30] Operation: 51-21=30 Exploring Operation: 51-17=34, Resulting Numbers: [21, 34] Generated Node #0,0,3: 54:[21, 34] Operation: 51-17=34 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[21, 3], Operations: ['89-68=21', '51/17=3'] Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,54 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,54 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,54 unequal: No Solution No 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: 54:[51, 4], Operations: ['89-68=21', '21-17=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,54 unequal: No Solution Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,54 unequal: No Solution No 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: 54:[17, 30], Operations: ['89-68=21', '51-21=30'] Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 17*30=510, Resulting Numbers: [510] 510,54 unequal: No Solution Exploring Operation: 17+30=47, Resulting Numbers: [47] 47,54 unequal: No Solution No 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: 54:[21, 34], Operations: ['89-68=21', '51-17=34'] Exploring Operation: 34-21=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 21*34=714, Resulting Numbers: [714] 714,54 unequal: No Solution Exploring Operation: 21+34=55, Resulting Numbers: [55] 55,54 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: 54:[17, 68, 38], Operations: ['89-51=38'] Exploring Operation: 17+38=55, Resulting Numbers: [68, 55] Generated Node #0,2,0: 54:[68, 55] Operation: 17+38=55 Exploring Operation: 68-17=51, Resulting Numbers: [38, 51] Generated Node #0,2,1: 54:[38, 51] Operation: 68-17=51 Exploring Operation: 68-38=30, Resulting Numbers: [17, 30] Generated Node #0,2,2: 54:[17, 30] Operation: 68-38=30 Exploring Operation: 68/17=4, Resulting Numbers: [38, 4] Generated Node #0,2,3: 54:[38, 4] Operation: 68/17=4 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 54:[17, 30], Operations: ['89-51=38', '68-38=30'] Exploring Operation: 17*30=510, Resulting Numbers: [510] 510,54 unequal: No Solution Exploring Operation: 17+30=47, Resulting Numbers: [47] 47,54 unequal: No Solution Exploring Operation: 30-17=13, Resulting Numbers: [13] 13,54 unequal: No Solution No 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: 54:[38, 4], Operations: ['89-51=38', '68/17=4'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,54 unequal: No Solution Exploring Operation: 38*4=152, Resulting Numbers: [152] 152,54 unequal: No Solution Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,54 unequal: No Solution No 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: 54:[38, 51], Operations: ['89-51=38', '68-17=51'] Exploring Operation: 51-38=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 38+51=89, Resulting Numbers: [89] 89,54 unequal: No Solution Exploring Operation: 38*51=1938, Resulting Numbers: [1938] 1938,54 unequal: No Solution No 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: 54:[68, 55], Operations: ['89-51=38', '17+38=55'] Exploring Operation: 68+55=123, Resulting Numbers: [123] 123,54 unequal: No Solution Exploring Operation: 68-55=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 68*55=3740, Resulting Numbers: [3740] 3740,54 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: 54:[68, 51, 72], Operations: ['89-17=72'] Exploring Operation: 68-51=17, Resulting Numbers: [72, 17] Generated Node #0,1,0: 54:[72, 17] Operation: 68-51=17 Exploring Operation: 72-68=4, Resulting Numbers: [51, 4] Generated Node #0,1,1: 54:[51, 4] Operation: 72-68=4 Exploring Operation: 72-51=21, Resulting Numbers: [68, 21] Generated Node #0,1,2: 54:[68, 21] Operation: 72-51=21 Exploring Operation: 68+51=119, Resulting Numbers: [72, 119] Generated Node #0,1,3: 54:[72, 119] Operation: 68+51=119 Moving to Node #0,3 Current State: 54:[17, 89, 17], Operations: ['68-51=17'] Exploring Operation: 89-17=72, Resulting Numbers: [17, 72] Generated Node #0,3,0: 54:[17, 72] Operation: 89-17=72 Exploring Operation: 89-17=72, Resulting Numbers: [17, 72] Generated Node #0,3,1: 54:[17, 72] Operation: 89-17=72 Exploring Operation: 17-17=0, Resulting Numbers: [89, 0] Generated Node #0,3,2: 54:[89, 0] Operation: 17-17=0 Exploring Operation: 17/17=1, Resulting Numbers: [89, 1] Generated Node #0,3,3: 54:[89, 1] Operation: 17/17=1 Moving to Node #0,1,1 Current State: 54:[51, 4], Operations: ['89-17=72', '72-68=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,54 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[68, 21], Operations: ['89-17=72', '72-51=21'] Exploring Operation: 68-21=47, Resulting Numbers: [47] 47,54 unequal: No Solution Exploring Operation: 68+21=89, Resulting Numbers: [89] 89,54 unequal: No Solution Exploring Operation: 68*21=1428, Resulting Numbers: [1428] 1428,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[72, 17], Operations: ['89-17=72', '68-51=17'] Exploring Operation: 72*17=1224, Resulting Numbers: [1224] 1224,54 unequal: No Solution Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 72+17=89, Resulting Numbers: [89] 89,54 unequal: No Solution Moving to Node #0,3,1 Current State: 54:[17, 72], Operations: ['68-51=17', '89-17=72'] Exploring Operation: 17*72=1224, Resulting Numbers: [1224] 1224,54 unequal: No Solution Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,54 unequal: No Solution Exploring Operation: 17+72=89, Resulting Numbers: [89] 89,54 unequal: No Solution Moving to Node #0,3,0 Current State: 54:[17, 72], Operations: ['68-51=17', '89-17=72'] Exploring Operation: 17*72=1224, Resulting Numbers: [1224] 1224,54 unequal: No Solution Exploring Operation: 17+72=89, Resulting Numbers: [89] 89,54 unequal: No Solution Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,54 unequal: No Solution Moving to Node #0,3,3 Current State: 54:[89, 1], Operations: ['68-51=17', '17/17=1'] Exploring Operation: 89*1=89, Resulting Numbers: [89] 89,54 unequal: No Solution Exploring Operation: 89-1=88, Resulting Numbers: [88] 88,54 unequal: No Solution Exploring Operation: 89+1=90, Resulting Numbers: [90] 90,54 unequal: No Solution Exploring Operation: 89/1=89, Resulting Numbers: [89] 89,54 unequal: No Solution Moving to Node #0,3,2 Current State: 54:[89, 0], Operations: ['68-51=17', '17-17=0'] Exploring Operation: 89+0=89, Resulting Numbers: [89] 89,54 unequal: No Solution Exploring Operation: 89-0=89, Resulting Numbers: [89] 89,54 unequal: No Solution Exploring Operation: 89*0=0, Resulting Numbers: [0] 0,54 unequal: No Solution Moving to Node #0,1,3 Current State: 54:[72, 119], Operations: ['89-17=72', '68+51=119'] Exploring Operation: 72+119=191, Resulting Numbers: [191] 191,54 unequal: No Solution Exploring Operation: 72*119=8568, Resulting Numbers: [8568] 8568,54 unequal: No Solution Exploring Operation: 119-72=47, Resulting Numbers: [47] 47,54 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 55, 21, 11, 29 ]
76
[ "55*21=1155", "1155/11=105", "105-29=76" ]
Current State: 76:[55, 21, 11, 29], Operations: [] Exploring Operation: 55*21=1155, Resulting Numbers: [11, 29, 1155] Generated Node #2: [11, 29, 1155] from Operation: 55*21=1155 Current State: 76:[11, 29, 1155], Operations: ['55*21=1155'] Exploring Operation: 1155/11=105, Resulting Numbers: [29, 105] Generated Node #3: [29, 105] from Operation: 1155/11=105 Current State: 76:[29, 105], Operations: ['55*21=1155', '1155/11=105'] Exploring Operation: 105-29=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[55, 21, 11, 29], Operations: [] Exploring Operation: 55-11=44, Resulting Numbers: [21, 29, 44] Generated Node #0,0: 76:[21, 29, 44] Operation: 55-11=44 Exploring Operation: 55/11=5, Resulting Numbers: [21, 29, 5] Generated Node #0,1: 76:[21, 29, 5] Operation: 55/11=5 Exploring Operation: 55-29=26, Resulting Numbers: [21, 11, 26] Generated Node #0,2: 76:[21, 11, 26] Operation: 55-29=26 Exploring Operation: 55+29=84, Resulting Numbers: [21, 11, 84] Generated Node #0,3: 76:[21, 11, 84] Operation: 55+29=84 Exploring Operation: 55+21=76, Resulting Numbers: [11, 29, 76] Generated Node #0,4: 76:[11, 29, 76] Operation: 55+21=76 Moving to Node #0,1 Current State: 76:[21, 29, 5], Operations: ['55/11=5'] Exploring Operation: 29-5=24, Resulting Numbers: [21, 24] Generated Node #0,1,0: 76:[21, 24] Operation: 29-5=24 Exploring Operation: 29-21=8, Resulting Numbers: [5, 8] Generated Node #0,1,1: 76:[5, 8] Operation: 29-21=8 Exploring Operation: 29+5=34, Resulting Numbers: [21, 34] Generated Node #0,1,2: 76:[21, 34] Operation: 29+5=34 Exploring Operation: 21+29=50, Resulting Numbers: [5, 50] Generated Node #0,1,3: 76:[5, 50] Operation: 21+29=50 Exploring Operation: 21-5=16, Resulting Numbers: [29, 16] Generated Node #0,1,4: 76:[29, 16] Operation: 21-5=16 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 76:[5, 8], Operations: ['55/11=5', '29-21=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,76 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,76 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 #0,1,2 Current State: 76:[21, 34], Operations: ['55/11=5', '29+5=34'] Exploring Operation: 21*34=714, Resulting Numbers: [714] 714,76 unequal: No Solution Exploring Operation: 21+34=55, Resulting Numbers: [55] 55,76 unequal: No Solution Exploring Operation: 34-21=13, Resulting Numbers: [13] 13,76 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 #0,1,0 Current State: 76:[21, 24], Operations: ['55/11=5', '29-5=24'] Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 21*24=504, Resulting Numbers: [504] 504,76 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 #0,1,4 Current State: 76:[29, 16], Operations: ['55/11=5', '21-5=16'] Exploring Operation: 29+16=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 29*16=464, Resulting Numbers: [464] 464,76 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,76 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 #0,1,3 Current State: 76:[5, 50], Operations: ['55/11=5', '21+29=50'] Exploring Operation: 5*50=250, Resulting Numbers: [250] 250,76 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,76 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 5+50=55, Resulting Numbers: [55] 55,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 76:[11, 29, 76], Operations: ['55+21=76'] Exploring Operation: 11+29=40, Resulting Numbers: [76, 40] Generated Node #0,4,0: 76:[76, 40] Operation: 11+29=40 Exploring Operation: 29-11=18, Resulting Numbers: [76, 18] Generated Node #0,4,1: 76:[76, 18] Operation: 29-11=18 Exploring Operation: 76-29=47, Resulting Numbers: [11, 47] Generated Node #0,4,2: 76:[11, 47] Operation: 76-29=47 Exploring Operation: 76-11=65, Resulting Numbers: [29, 65] Generated Node #0,4,3: 76:[29, 65] Operation: 76-11=65 Exploring Operation: 11+76=87, Resulting Numbers: [29, 87] Generated Node #0,4,4: 76:[29, 87] Operation: 11+76=87 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 76:[76, 18], Operations: ['55+21=76', '29-11=18'] Exploring Operation: 76-18=58, Resulting Numbers: [58] 58,76 unequal: No Solution Exploring Operation: 76+18=94, Resulting Numbers: [94] 94,76 unequal: No Solution Exploring Operation: 76*18=1368, Resulting Numbers: [1368] 1368,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 76:[76, 40], Operations: ['55+21=76', '11+29=40'] Exploring Operation: 76*40=3040, Resulting Numbers: [3040] 3040,76 unequal: No Solution Exploring Operation: 76-40=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 76+40=116, Resulting Numbers: [116] 116,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 76:[11, 47], Operations: ['55+21=76', '76-29=47'] Exploring Operation: 47-11=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 11*47=517, Resulting Numbers: [517] 517,76 unequal: No Solution Exploring Operation: 11+47=58, Resulting Numbers: [58] 58,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 76:[29, 65], Operations: ['55+21=76', '76-11=65'] Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,76 unequal: No Solution Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 76:[29, 87], Operations: ['55+21=76', '11+76=87'] Exploring Operation: 29+87=116, Resulting Numbers: [116] 116,76 unequal: No Solution Exploring Operation: 29*87=2523, Resulting Numbers: [2523] 2523,76 unequal: No Solution Exploring Operation: 87-29=58, Resulting Numbers: [58] 58,76 unequal: No Solution Exploring Operation: 87/29=3, Resulting Numbers: [3] 3,76 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: 76:[21, 11, 26], Operations: ['55-29=26'] Exploring Operation: 21+11=32, Resulting Numbers: [26, 32] Generated Node #0,2,0: 76:[26, 32] Operation: 21+11=32 Exploring Operation: 26-11=15, Resulting Numbers: [21, 15] Generated Node #0,2,1: 76:[21, 15] Operation: 26-11=15 Exploring Operation: 11+26=37, Resulting Numbers: [21, 37] Generated Node #0,2,2: 76:[21, 37] Operation: 11+26=37 Exploring Operation: 26-21=5, Resulting Numbers: [11, 5] Generated Node #0,2,3: 76:[11, 5] Operation: 26-21=5 Exploring Operation: 21-11=10, Resulting Numbers: [26, 10] Generated Node #0,2,4: 76:[26, 10] Operation: 21-11=10 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 76:[21, 37], Operations: ['55-29=26', '11+26=37'] Exploring Operation: 21+37=58, Resulting Numbers: [58] 58,76 unequal: No Solution Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 21*37=777, Resulting Numbers: [777] 777,76 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:[21, 15], Operations: ['55-29=26', '26-11=15'] Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 21*15=315, Resulting Numbers: [315] 315,76 unequal: No Solution Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,76 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 #0,2,3 Current State: 76:[11, 5], Operations: ['55-29=26', '26-21=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,76 unequal: No Solution Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,76 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 #0,2,0 Current State: 76:[26, 32], Operations: ['55-29=26', '21+11=32'] Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 26+32=58, Resulting Numbers: [58] 58,76 unequal: No Solution Exploring Operation: 26*32=832, Resulting Numbers: [832] 832,76 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 #0,2,4 Current State: 76:[26, 10], Operations: ['55-29=26', '21-11=10'] Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,76 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: 76:[21, 29, 44], Operations: ['55-11=44'] Exploring Operation: 29+44=73, Resulting Numbers: [21, 73] Generated Node #0,0,0: 76:[21, 73] Operation: 29+44=73 Exploring Operation: 29-21=8, Resulting Numbers: [44, 8] Generated Node #0,0,1: 76:[44, 8] Operation: 29-21=8 Exploring Operation: 44-21=23, Resulting Numbers: [29, 23] Generated Node #0,0,2: 76:[29, 23] Operation: 44-21=23 Exploring Operation: 44-29=15, Resulting Numbers: [21, 15] Generated Node #0,0,3: 76:[21, 15] Operation: 44-29=15 Exploring Operation: 21+29=50, Resulting Numbers: [44, 50] Generated Node #0,0,4: 76:[44, 50] Operation: 21+29=50 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[21, 73], Operations: ['55-11=44', '29+44=73'] Exploring Operation: 73-21=52, Resulting Numbers: [52] 52,76 unequal: No Solution Exploring Operation: 21*73=1533, Resulting Numbers: [1533] 1533,76 unequal: No Solution Exploring Operation: 21+73=94, Resulting Numbers: [94] 94,76 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 #0,0,3 Current State: 76:[21, 15], Operations: ['55-11=44', '44-29=15'] Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 21*15=315, Resulting Numbers: [315] 315,76 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 #0,0,1 Current State: 76:[44, 8], Operations: ['55-11=44', '29-21=8'] Exploring Operation: 44-8=36, Resulting Numbers: [36] 36,76 unequal: No Solution Exploring Operation: 44*8=352, Resulting Numbers: [352] 352,76 unequal: No Solution Exploring Operation: 44+8=52, Resulting Numbers: [52] 52,76 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 #0,0,2 Current State: 76:[29, 23], Operations: ['55-11=44', '44-21=23'] Exploring Operation: 29+23=52, Resulting Numbers: [52] 52,76 unequal: No Solution Exploring Operation: 29*23=667, Resulting Numbers: [667] 667,76 unequal: No Solution Exploring Operation: 29-23=6, Resulting Numbers: [6] 6,76 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 #0,0,4 Current State: 76:[44, 50], Operations: ['55-11=44', '21+29=50'] Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,76 unequal: No Solution Exploring Operation: 44+50=94, Resulting Numbers: [94] 94,76 unequal: No Solution Exploring Operation: 44*50=2200, Resulting Numbers: [2200] 2200,76 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: 76:[21, 11, 84], Operations: ['55+29=84'] Exploring Operation: 84-21=63, Resulting Numbers: [11, 63] Generated Node #0,3,0: 76:[11, 63] Operation: 84-21=63 Exploring Operation: 84-11=73, Resulting Numbers: [21, 73] Generated Node #0,3,1: 76:[21, 73] Operation: 84-11=73 Exploring Operation: 21+11=32, Resulting Numbers: [84, 32] Generated Node #0,3,2: 76:[84, 32] Operation: 21+11=32 Exploring Operation: 84/21=4, Resulting Numbers: [11, 4] Generated Node #0,3,3: 76:[11, 4] Operation: 84/21=4 Exploring Operation: 21-11=10, Resulting Numbers: [84, 10] Generated Node #0,3,4: 76:[84, 10] Operation: 21-11=10 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 76:[21, 73], Operations: ['55+29=84', '84-11=73'] Exploring Operation: 21+73=94, Resulting Numbers: [94] 94,76 unequal: No Solution Exploring Operation: 73-21=52, Resulting Numbers: [52] 52,76 unequal: No Solution Exploring Operation: 21*73=1533, Resulting Numbers: [1533] 1533,76 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 #0,3,3 Current State: 76:[11, 4], Operations: ['55+29=84', '84/21=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,76 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,76 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,76 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 #0,3,2 Current State: 76:[84, 32], Operations: ['55+29=84', '21+11=32'] Exploring Operation: 84*32=2688, Resulting Numbers: [2688] 2688,76 unequal: No Solution Exploring Operation: 84+32=116, Resulting Numbers: [116] 116,76 unequal: No Solution Exploring Operation: 84-32=52, Resulting Numbers: [52] 52,76 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 #0,3,4 Current State: 76:[84, 10], Operations: ['55+29=84', '21-11=10'] Exploring Operation: 84*10=840, Resulting Numbers: [840] 840,76 unequal: No Solution Exploring Operation: 84+10=94, Resulting Numbers: [94] 94,76 unequal: No Solution Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,76 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 #0,3,0 Current State: 76:[11, 63], Operations: ['55+29=84', '84-21=63'] Exploring Operation: 63-11=52, Resulting Numbers: [52] 52,76 unequal: No Solution Exploring Operation: 11*63=693, Resulting Numbers: [693] 693,76 unequal: No Solution Exploring Operation: 11+63=74, Resulting Numbers: [74] 74,76 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
[ 34, 31, 90, 92 ]
96
[ "34+90=124", "124/31=4", "92+4=96" ]
Current State: 96:[34, 31, 90, 92], Operations: [] Exploring Operation: 34+90=124, Resulting Numbers: [31, 92, 124] Generated Node #2: [31, 92, 124] from Operation: 34+90=124 Current State: 96:[31, 92, 124], Operations: ['34+90=124'] Exploring Operation: 124/31=4, Resulting Numbers: [92, 4] Generated Node #3: [92, 4] from Operation: 124/31=4 Current State: 96:[92, 4], Operations: ['34+90=124', '124/31=4'] Exploring Operation: 92+4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[34, 31, 90, 92], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [34, 31, 2] Generated Node #0,0: 96:[34, 31, 2] Operation: 92-90=2 Exploring Operation: 92-34=58, Resulting Numbers: [31, 90, 58] Generated Node #0,1: 96:[31, 90, 58] Operation: 92-34=58 Exploring Operation: 34-31=3, Resulting Numbers: [90, 92, 3] Generated Node #0,2: 96:[90, 92, 3] Operation: 34-31=3 Exploring Operation: 90-34=56, Resulting Numbers: [31, 92, 56] Generated Node #0,3: 96:[31, 92, 56] Operation: 90-34=56 Moving to Node #0,0 Current State: 96:[34, 31, 2], Operations: ['92-90=2'] Exploring Operation: 34-31=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 96:[2, 3] Operation: 34-31=3 Exploring Operation: 31+2=33, Resulting Numbers: [34, 33] Generated Node #0,0,1: 96:[34, 33] Operation: 31+2=33 Exploring Operation: 34/2=17, Resulting Numbers: [31, 17] Generated Node #0,0,2: 96:[31, 17] Operation: 34/2=17 Exploring Operation: 34-2=32, Resulting Numbers: [31, 32] Generated Node #0,0,3: 96:[31, 32] Operation: 34-2=32 Moving to Node #0,2 Current State: 96:[90, 92, 3], Operations: ['34-31=3'] Exploring Operation: 90+3=93, Resulting Numbers: [92, 93] Generated Node #0,2,0: 96:[92, 93] Operation: 90+3=93 Exploring Operation: 92+3=95, Resulting Numbers: [90, 95] Generated Node #0,2,1: 96:[90, 95] Operation: 92+3=95 Exploring Operation: 92-90=2, Resulting Numbers: [3, 2] Generated Node #0,2,2: 96:[3, 2] Operation: 92-90=2 Exploring Operation: 90/3=30, Resulting Numbers: [92, 30] Generated Node #0,2,3: 96:[92, 30] Operation: 90/3=30 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 96:[3, 2], Operations: ['34-31=3', '92-90=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 96:[92, 30], Operations: ['34-31=3', '90/3=30'] Exploring Operation: 92-30=62, Resulting Numbers: [62] 62,96 unequal: No Solution Exploring Operation: 92+30=122, Resulting Numbers: [122] 122,96 unequal: No Solution Exploring Operation: 92*30=2760, Resulting Numbers: [2760] 2760,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 96:[92, 93], Operations: ['34-31=3', '90+3=93'] Exploring Operation: 93-92=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 92+93=185, Resulting Numbers: [185] 185,96 unequal: No Solution Exploring Operation: 92*93=8556, Resulting Numbers: [8556] 8556,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 96:[90, 95], Operations: ['34-31=3', '92+3=95'] Exploring Operation: 90+95=185, Resulting Numbers: [185] 185,96 unequal: No Solution Exploring Operation: 90*95=8550, Resulting Numbers: [8550] 8550,96 unequal: No Solution Exploring Operation: 95-90=5, Resulting Numbers: [5] 5,96 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: 96:[31, 92, 56], Operations: ['90-34=56'] Exploring Operation: 31+56=87, Resulting Numbers: [92, 87] Generated Node #0,3,0: 96:[92, 87] Operation: 31+56=87 Exploring Operation: 92-56=36, Resulting Numbers: [31, 36] Generated Node #0,3,1: 96:[31, 36] Operation: 92-56=36 Exploring Operation: 92-31=61, Resulting Numbers: [56, 61] Generated Node #0,3,2: 96:[56, 61] Operation: 92-31=61 Exploring Operation: 56-31=25, Resulting Numbers: [92, 25] Generated Node #0,3,3: 96:[92, 25] Operation: 56-31=25 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 96:[31, 36], Operations: ['90-34=56', '92-56=36'] Exploring Operation: 31*36=1116, Resulting Numbers: [1116] 1116,96 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 31+36=67, Resulting Numbers: [67] 67,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 96:[92, 25], Operations: ['90-34=56', '56-31=25'] Exploring Operation: 92-25=67, Resulting Numbers: [67] 67,96 unequal: No Solution Exploring Operation: 92+25=117, Resulting Numbers: [117] 117,96 unequal: No Solution Exploring Operation: 92*25=2300, Resulting Numbers: [2300] 2300,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 96:[92, 87], Operations: ['90-34=56', '31+56=87'] Exploring Operation: 92-87=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 92*87=8004, Resulting Numbers: [8004] 8004,96 unequal: No Solution Exploring Operation: 92+87=179, Resulting Numbers: [179] 179,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 96:[56, 61], Operations: ['90-34=56', '92-31=61'] Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 56+61=117, Resulting Numbers: [117] 117,96 unequal: No Solution Exploring Operation: 56*61=3416, Resulting Numbers: [3416] 3416,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 96:[31, 90, 58], Operations: ['92-34=58'] Exploring Operation: 58-31=27, Resulting Numbers: [90, 27] Generated Node #0,1,0: 96:[90, 27] Operation: 58-31=27 Exploring Operation: 90-31=59, Resulting Numbers: [58, 59] Generated Node #0,1,1: 96:[58, 59] Operation: 90-31=59 Exploring Operation: 31+58=89, Resulting Numbers: [90, 89] Generated Node #0,1,2: 96:[90, 89] Operation: 31+58=89 Exploring Operation: 90-58=32, Resulting Numbers: [31, 32] Generated Node #0,1,3: 96:[31, 32] Operation: 90-58=32 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 96:[31, 32], Operations: ['92-34=58', '90-58=32'] Exploring Operation: 31*32=992, Resulting Numbers: [992] 992,96 unequal: No Solution Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,96 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[90, 27], Operations: ['92-34=58', '58-31=27'] Exploring Operation: 90+27=117, Resulting Numbers: [117] 117,96 unequal: No Solution Exploring Operation: 90*27=2430, Resulting Numbers: [2430] 2430,96 unequal: No Solution Exploring Operation: 90-27=63, Resulting Numbers: [63] 63,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 96:[90, 89], Operations: ['92-34=58', '31+58=89'] Exploring Operation: 90*89=8010, Resulting Numbers: [8010] 8010,96 unequal: No Solution Exploring Operation: 90-89=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 90+89=179, Resulting Numbers: [179] 179,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[58, 59], Operations: ['92-34=58', '90-31=59'] Exploring Operation: 58*59=3422, Resulting Numbers: [3422] 3422,96 unequal: No Solution Exploring Operation: 59-58=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 58+59=117, Resulting Numbers: [117] 117,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 96:[2, 3], Operations: ['92-90=2', '34-31=3'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,96 unequal: No Solution Moving to Node #0,0,3 Current State: 96:[31, 32], Operations: ['92-90=2', '34-2=32'] Exploring Operation: 31*32=992, Resulting Numbers: [992] 992,96 unequal: No Solution Exploring Operation: 32-31=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 31+32=63, Resulting Numbers: [63] 63,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[31, 17], Operations: ['92-90=2', '34/2=17'] Exploring Operation: 31*17=527, Resulting Numbers: [527] 527,96 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[34, 33], Operations: ['92-90=2', '31+2=33'] Exploring Operation: 34*33=1122, Resulting Numbers: [1122] 1122,96 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,96 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 2, 78, 64, 28 ]
42
[ "2*28=56", "78-64=14", "56-14=42" ]
Current State: 42:[2, 78, 64, 28], Operations: [] Exploring Operation: 2*28=56, Resulting Numbers: [78, 64, 56] Generated Node #2: [78, 64, 56] from Operation: 2*28=56 Current State: 42:[78, 64, 56], Operations: ['2*28=56'] Exploring Operation: 78-64=14, Resulting Numbers: [56, 14] Generated Node #3: [56, 14] from Operation: 78-64=14 Current State: 42:[56, 14], Operations: ['2*28=56', '78-64=14'] Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[2, 78, 64, 28], Operations: [] Exploring Operation: 78-64=14, Resulting Numbers: [2, 28, 14] Generated Node #0,0: 42:[2, 28, 14] Operation: 78-64=14 Exploring Operation: 78-28=50, Resulting Numbers: [2, 64, 50] Generated Node #0,1: 42:[2, 64, 50] Operation: 78-28=50 Exploring Operation: 64-28=36, Resulting Numbers: [2, 78, 36] Generated Node #0,2: 42:[2, 78, 36] Operation: 64-28=36 Exploring Operation: 78/2=39, Resulting Numbers: [64, 28, 39] Generated Node #0,3: 42:[64, 28, 39] Operation: 78/2=39 Moving to Node #0,0 Current State: 42:[2, 28, 14], Operations: ['78-64=14'] Exploring Operation: 28-14=14, Resulting Numbers: [2, 14] Generated Node #0,0,0: 42:[2, 14] Operation: 28-14=14 Exploring Operation: 28/14=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 42:[2, 2] Operation: 28/14=2 Exploring Operation: 28/2=14, Resulting Numbers: [14, 14] Generated Node #0,0,2: 42:[14, 14] Operation: 28/2=14 Exploring Operation: 28+14=42, Resulting Numbers: [2, 42] Generated Node #0,0,3: 42:[2, 42] Operation: 28+14=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[2, 14], Operations: ['78-64=14', '28-14=14'] Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,42 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,42 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[2, 2], Operations: ['78-64=14', '28/14=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 42:[14, 14], Operations: ['78-64=14', '28/2=14'] Exploring Operation: 14/14=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 14*14=196, Resulting Numbers: [196] 196,42 unequal: No Solution Exploring Operation: 14+14=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 14-14=0, Resulting Numbers: [0] 0,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 42:[2, 42], Operations: ['78-64=14', '28+14=42'] Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,42 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,42 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,42 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: 42:[2, 64, 50], Operations: ['78-28=50'] Exploring Operation: 64-50=14, Resulting Numbers: [2, 14] Generated Node #0,1,0: 42:[2, 14] Operation: 64-50=14 Exploring Operation: 64-2=62, Resulting Numbers: [50, 62] Generated Node #0,1,1: 42:[50, 62] Operation: 64-2=62 Exploring Operation: 50/2=25, Resulting Numbers: [64, 25] Generated Node #0,1,2: 42:[64, 25] Operation: 50/2=25 Exploring Operation: 64/2=32, Resulting Numbers: [50, 32] Generated Node #0,1,3: 42:[50, 32] Operation: 64/2=32 Moving to Node #0,3 Current State: 42:[64, 28, 39], Operations: ['78/2=39'] Exploring Operation: 64-39=25, Resulting Numbers: [28, 25] Generated Node #0,3,0: 42:[28, 25] Operation: 64-39=25 Exploring Operation: 64-28=36, Resulting Numbers: [39, 36] Generated Node #0,3,1: 42:[39, 36] Operation: 64-28=36 Exploring Operation: 28+39=67, Resulting Numbers: [64, 67] Generated Node #0,3,2: 42:[64, 67] Operation: 28+39=67 Exploring Operation: 39-28=11, Resulting Numbers: [64, 11] Generated Node #0,3,3: 42:[64, 11] Operation: 39-28=11 Moving to Node #0,2 Current State: 42:[2, 78, 36], Operations: ['64-28=36'] Exploring Operation: 36/2=18, Resulting Numbers: [78, 18] Generated Node #0,2,0: 42:[78, 18] Operation: 36/2=18 Exploring Operation: 78-36=42, Resulting Numbers: [2, 42] Generated Node #0,2,1: 42:[2, 42] Operation: 78-36=42 Exploring Operation: 78-2=76, Resulting Numbers: [36, 76] Generated Node #0,2,2: 42:[36, 76] Operation: 78-2=76 Exploring Operation: 78/2=39, Resulting Numbers: [36, 39] Generated Node #0,2,3: 42:[36, 39] Operation: 78/2=39 Moving to Node #0,1,0 Current State: 42:[2, 14], Operations: ['78-28=50', '64-50=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,42 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,42 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[2, 42], Operations: ['64-28=36', '78-36=42'] Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,42 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,42 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,42 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,42 unequal: No Solution Moving to Node #0,2,3 Current State: 42:[36, 39], Operations: ['64-28=36', '78/2=39'] Exploring Operation: 36*39=1404, Resulting Numbers: [1404] 1404,42 unequal: No Solution Exploring Operation: 36+39=75, Resulting Numbers: [75] 75,42 unequal: No Solution Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,42 unequal: No Solution Moving to Node #0,3,1 Current State: 42:[39, 36], Operations: ['78/2=39', '64-28=36'] Exploring Operation: 39+36=75, Resulting Numbers: [75] 75,42 unequal: No Solution Exploring Operation: 39*36=1404, Resulting Numbers: [1404] 1404,42 unequal: No Solution Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,42 unequal: No Solution Moving to Node #0,3,0 Current State: 42:[28, 25], Operations: ['78/2=39', '64-39=25'] Exploring Operation: 28*25=700, Resulting Numbers: [700] 700,42 unequal: No Solution Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 28+25=53, Resulting Numbers: [53] 53,42 unequal: No Solution Moving to Node #0,1,3 Current State: 42:[50, 32], Operations: ['78-28=50', '64/2=32'] Exploring Operation: 50*32=1600, Resulting Numbers: [1600] 1600,42 unequal: No Solution Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 50+32=82, Resulting Numbers: [82] 82,42 unequal: No Solution Moving to Node #0,3,3 Current State: 42:[64, 11], Operations: ['78/2=39', '39-28=11'] Exploring Operation: 64*11=704, Resulting Numbers: [704] 704,42 unequal: No Solution Exploring Operation: 64-11=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 64+11=75, Resulting Numbers: [75] 75,42 unequal: No Solution Moving to Node #0,1,2 Current State: 42:[64, 25], Operations: ['78-28=50', '50/2=25'] Exploring Operation: 64*25=1600, Resulting Numbers: [1600] 1600,42 unequal: No Solution Exploring Operation: 64+25=89, Resulting Numbers: [89] 89,42 unequal: No Solution Exploring Operation: 64-25=39, Resulting Numbers: [39] 39,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[50, 62], Operations: ['78-28=50', '64-2=62'] Exploring Operation: 50*62=3100, Resulting Numbers: [3100] 3100,42 unequal: No Solution Exploring Operation: 50+62=112, Resulting Numbers: [112] 112,42 unequal: No Solution Exploring Operation: 62-50=12, Resulting Numbers: [12] 12,42 unequal: No Solution Moving to Node #0,2,0 Current State: 42:[78, 18], Operations: ['64-28=36', '36/2=18'] Exploring Operation: 78+18=96, Resulting Numbers: [96] 96,42 unequal: No Solution Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,42 unequal: No Solution Exploring Operation: 78*18=1404, Resulting Numbers: [1404] 1404,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[36, 76], Operations: ['64-28=36', '78-2=76'] Exploring Operation: 76-36=40, Resulting Numbers: [40] 40,42 unequal: No Solution Exploring Operation: 36+76=112, Resulting Numbers: [112] 112,42 unequal: No Solution Exploring Operation: 36*76=2736, Resulting Numbers: [2736] 2736,42 unequal: No Solution Moving to Node #0,3,2 Current State: 42:[64, 67], Operations: ['78/2=39', '28+39=67'] Exploring Operation: 64*67=4288, Resulting Numbers: [4288] 4288,42 unequal: No Solution Exploring Operation: 67-64=3, Resulting Numbers: [3] 3,42 unequal: No Solution Exploring Operation: 64+67=131, Resulting Numbers: [131] 131,42 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 36, 93, 57, 15 ]
46
[ "93+57=150", "150/15=10", "36+10=46" ]
Current State: 46:[36, 93, 57, 15], Operations: [] Exploring Operation: 93+57=150, Resulting Numbers: [36, 15, 150] Generated Node #2: [36, 15, 150] from Operation: 93+57=150 Current State: 46:[36, 15, 150], Operations: ['93+57=150'] Exploring Operation: 150/15=10, Resulting Numbers: [36, 10] Generated Node #3: [36, 10] from Operation: 150/15=10 Current State: 46:[36, 10], Operations: ['93+57=150', '150/15=10'] Exploring Operation: 36+10=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[36, 93, 57, 15], Operations: [] Exploring Operation: 93-36=57, Resulting Numbers: [57, 15, 57] Generated Node #0,0: 46:[57, 15, 57] Operation: 93-36=57 Exploring Operation: 93-57=36, Resulting Numbers: [36, 15, 36] Generated Node #0,1: 46:[36, 15, 36] Operation: 93-57=36 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[36, 15, 36], Operations: ['93-57=36'] Exploring Operation: 36/36=1, Resulting Numbers: [15, 1] Generated Node #0,1,0: 46:[15, 1] Operation: 36/36=1 Exploring Operation: 36-36=0, Resulting Numbers: [15, 0] Generated Node #0,1,1: 46:[15, 0] Operation: 36-36=0 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[15, 1], Operations: ['93-57=36', '36/36=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 46:[15, 0], Operations: ['93-57=36', '36-36=0'] Exploring Operation: 15*0=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 15+0=15, Resulting Numbers: [15] 15,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[57, 15, 57], Operations: ['93-36=57'] Exploring Operation: 57/57=1, Resulting Numbers: [15, 1] Generated Node #0,0,0: 46:[15, 1] Operation: 57/57=1 Exploring Operation: 57-57=0, Resulting Numbers: [15, 0] Generated Node #0,0,1: 46:[15, 0] Operation: 57-57=0 Moving to Node #0,0,0 Current State: 46:[15, 1], Operations: ['93-36=57', '57/57=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,46 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[15, 0], Operations: ['93-36=57', '57-57=0'] Exploring Operation: 15*0=0, Resulting Numbers: [0] 0,46 unequal: No Solution Exploring Operation: 15+0=15, Resulting Numbers: [15] 15,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 3, 58, 32, 13 ]
43
[ "58+32=90", "90/3=30", "13+30=43" ]
Current State: 43:[3, 58, 32, 13], Operations: [] Exploring Operation: 58+32=90, Resulting Numbers: [3, 13, 90] Generated Node #2: [3, 13, 90] from Operation: 58+32=90 Current State: 43:[3, 13, 90], Operations: ['58+32=90'] Exploring Operation: 90/3=30, Resulting Numbers: [13, 30] Generated Node #3: [13, 30] from Operation: 90/3=30 Current State: 43:[13, 30], Operations: ['58+32=90', '90/3=30'] Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[3, 58, 32, 13], Operations: [] Exploring Operation: 3*13=39, Resulting Numbers: [58, 32, 39] Generated Node #0,0: 43:[58, 32, 39] Operation: 3*13=39 Exploring Operation: 58-3=55, Resulting Numbers: [32, 13, 55] Generated Node #0,1: 43:[32, 13, 55] Operation: 58-3=55 Exploring Operation: 3+32=35, Resulting Numbers: [58, 13, 35] Generated Node #0,2: 43:[58, 13, 35] Operation: 3+32=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[58, 32, 39], Operations: ['3*13=39'] Exploring Operation: 32+39=71, Resulting Numbers: [58, 71] Generated Node #0,0,0: 43:[58, 71] Operation: 32+39=71 Exploring Operation: 58-32=26, Resulting Numbers: [39, 26] Generated Node #0,0,1: 43:[39, 26] Operation: 58-32=26 Exploring Operation: 58-39=19, Resulting Numbers: [32, 19] Generated Node #0,0,2: 43:[32, 19] Operation: 58-39=19 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 43:[39, 26], Operations: ['3*13=39', '58-32=26'] Exploring Operation: 39*26=1014, Resulting Numbers: [1014] 1014,43 unequal: No Solution Exploring Operation: 39+26=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 43:[32, 19], Operations: ['3*13=39', '58-39=19'] Exploring Operation: 32*19=608, Resulting Numbers: [608] 608,43 unequal: No Solution Exploring Operation: 32+19=51, Resulting Numbers: [51] 51,43 unequal: No Solution Exploring Operation: 32-19=13, Resulting Numbers: [13] 13,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 43:[58, 71], Operations: ['3*13=39', '32+39=71'] Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 58+71=129, Resulting Numbers: [129] 129,43 unequal: No Solution Exploring Operation: 58*71=4118, Resulting Numbers: [4118] 4118,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[32, 13, 55], Operations: ['58-3=55'] Exploring Operation: 32-13=19, Resulting Numbers: [55, 19] Generated Node #0,1,0: 43:[55, 19] Operation: 32-13=19 Exploring Operation: 55-13=42, Resulting Numbers: [32, 42] Generated Node #0,1,1: 43:[32, 42] Operation: 55-13=42 Exploring Operation: 32+13=45, Resulting Numbers: [55, 45] Generated Node #0,1,2: 43:[55, 45] Operation: 32+13=45 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[32, 42], Operations: ['58-3=55', '55-13=42'] Exploring Operation: 32*42=1344, Resulting Numbers: [1344] 1344,43 unequal: No Solution Exploring Operation: 42-32=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 32+42=74, Resulting Numbers: [74] 74,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[55, 45], Operations: ['58-3=55', '32+13=45'] Exploring Operation: 55*45=2475, Resulting Numbers: [2475] 2475,43 unequal: No Solution Exploring Operation: 55-45=10, Resulting Numbers: [10] 10,43 unequal: No Solution Exploring Operation: 55+45=100, Resulting Numbers: [100] 100,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[55, 19], Operations: ['58-3=55', '32-13=19'] Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 55+19=74, Resulting Numbers: [74] 74,43 unequal: No Solution Exploring Operation: 55*19=1045, Resulting Numbers: [1045] 1045,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[58, 13, 35], Operations: ['3+32=35'] Exploring Operation: 58-13=45, Resulting Numbers: [35, 45] Generated Node #0,2,0: 43:[35, 45] Operation: 58-13=45 Exploring Operation: 13+35=48, Resulting Numbers: [58, 48] Generated Node #0,2,1: 43:[58, 48] Operation: 13+35=48 Exploring Operation: 58+13=71, Resulting Numbers: [35, 71] Generated Node #0,2,2: 43:[35, 71] Operation: 58+13=71 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[35, 45], Operations: ['3+32=35', '58-13=45'] Exploring Operation: 35*45=1575, Resulting Numbers: [1575] 1575,43 unequal: No Solution Exploring Operation: 35+45=80, Resulting Numbers: [80] 80,43 unequal: No Solution Exploring Operation: 45-35=10, Resulting Numbers: [10] 10,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 43:[58, 48], Operations: ['3+32=35', '13+35=48'] Exploring Operation: 58+48=106, Resulting Numbers: [106] 106,43 unequal: No Solution Exploring Operation: 58*48=2784, Resulting Numbers: [2784] 2784,43 unequal: No Solution Exploring Operation: 58-48=10, Resulting Numbers: [10] 10,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 43:[35, 71], Operations: ['3+32=35', '58+13=71'] Exploring Operation: 71-35=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 35+71=106, Resulting Numbers: [106] 106,43 unequal: No Solution Exploring Operation: 35*71=2485, Resulting Numbers: [2485] 2485,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 95, 63, 25, 71 ]
64
[ "95-63=32", "25+71=96", "96-32=64" ]
Current State: 64:[95, 63, 25, 71], Operations: [] Exploring Operation: 95-63=32, Resulting Numbers: [25, 71, 32] Generated Node #2: [25, 71, 32] from Operation: 95-63=32 Current State: 64:[25, 71, 32], Operations: ['95-63=32'] Exploring Operation: 25+71=96, Resulting Numbers: [32, 96] Generated Node #3: [32, 96] from Operation: 25+71=96 Current State: 64:[32, 96], Operations: ['95-63=32', '25+71=96'] Exploring Operation: 96-32=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[95, 63, 25, 71], Operations: [] Exploring Operation: 71-63=8, Resulting Numbers: [95, 25, 8] Generated Node #0,0: 64:[95, 25, 8] Operation: 71-63=8 Exploring Operation: 95-63=32, Resulting Numbers: [25, 71, 32] Generated Node #0,1: 64:[25, 71, 32] Operation: 95-63=32 Exploring Operation: 95-25=70, Resulting Numbers: [63, 71, 70] Generated Node #0,2: 64:[63, 71, 70] Operation: 95-25=70 Exploring Operation: 95-71=24, Resulting Numbers: [63, 25, 24] Generated Node #0,3: 64:[63, 25, 24] Operation: 95-71=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[25, 71, 32], Operations: ['95-63=32'] Exploring Operation: 25+32=57, Resulting Numbers: [71, 57] Generated Node #0,1,0: 64:[71, 57] Operation: 25+32=57 Exploring Operation: 71-25=46, Resulting Numbers: [32, 46] Generated Node #0,1,1: 64:[32, 46] Operation: 71-25=46 Exploring Operation: 71-32=39, Resulting Numbers: [25, 39] Generated Node #0,1,2: 64:[25, 39] Operation: 71-32=39 Exploring Operation: 32-25=7, Resulting Numbers: [71, 7] Generated Node #0,1,3: 64:[71, 7] Operation: 32-25=7 Moving to Node #0,1,3 Current State: 64:[71, 7], Operations: ['95-63=32', '32-25=7'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[95, 63, 25, 71], Operations: [] Exploring Operation: 95-63=32, Resulting Numbers: [25, 71, 32] Generated Node #0,1: 64:[25, 71, 32] Operation: 95-63=32 Moving to Node #0,1 Current State: 64:[25, 71, 32], Operations: ['95-63=32'] Exploring Operation: 32-25=7, Resulting Numbers: [71, 7] Generated Node #0,1,3: 64:[71, 7] Operation: 32-25=7 Moving to Node #0,1,3 Current State: 64:[71, 7], Operations: ['95-63=32', '32-25=7'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 5, 12, 90, 1 ]
73
[ "5+12=17", "90*1=90", "90-17=73" ]
Current State: 73:[5, 12, 90, 1], Operations: [] Exploring Operation: 5+12=17, Resulting Numbers: [90, 1, 17] Generated Node #2: [90, 1, 17] from Operation: 5+12=17 Current State: 73:[90, 1, 17], Operations: ['5+12=17'] Exploring Operation: 90*1=90, Resulting Numbers: [17, 90] Generated Node #3: [17, 90] from Operation: 90*1=90 Current State: 73:[17, 90], Operations: ['5+12=17', '90*1=90'] Exploring Operation: 90-17=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[5, 12, 90, 1], Operations: [] Exploring Operation: 5*12=60, Resulting Numbers: [90, 1, 60] Generated Node #0,0: 73:[90, 1, 60] Operation: 5*12=60 Moving to Node #0,0 Current State: 73:[90, 1, 60], Operations: ['5*12=60'] Exploring Operation: 90-1=89, Resulting Numbers: [60, 89] Generated Node #0,0,0: 73:[60, 89] Operation: 90-1=89 Moving to Node #0,0,0 Current State: 73:[60, 89], Operations: ['5*12=60', '90-1=89'] Exploring Operation: 89-60=29, Resulting Numbers: [29] 29,73 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 72, 19, 18, 4 ]
39
[ "72-19=53", "18-4=14", "53-14=39" ]
Current State: 39:[72, 19, 18, 4], Operations: [] Exploring Operation: 72-19=53, Resulting Numbers: [18, 4, 53] Generated Node #2: [18, 4, 53] from Operation: 72-19=53 Current State: 39:[18, 4, 53], Operations: ['72-19=53'] Exploring Operation: 18-4=14, Resulting Numbers: [53, 14] Generated Node #3: [53, 14] from Operation: 18-4=14 Current State: 39:[53, 14], Operations: ['72-19=53', '18-4=14'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[72, 19, 18, 4], Operations: [] Exploring Operation: 72/18=4, Resulting Numbers: [19, 4, 4] Generated Node #0,0: 39:[19, 4, 4] Operation: 72/18=4 Exploring Operation: 72/4=18, Resulting Numbers: [19, 18, 18] Generated Node #0,1: 39:[19, 18, 18] Operation: 72/4=18 Moving to Node #0,0 Current State: 39:[19, 4, 4], Operations: ['72/18=4'] Exploring Operation: 19-4=15, Resulting Numbers: [4, 15] Generated Node #0,0,0: 39:[4, 15] Operation: 19-4=15 Exploring Operation: 19-4=15, Resulting Numbers: [4, 15] Generated Node #0,0,1: 39:[4, 15] Operation: 19-4=15 Moving to Node #0,1 Current State: 39:[19, 18, 18], Operations: ['72/4=18'] Exploring Operation: 19+18=37, Resulting Numbers: [18, 37] Generated Node #0,1,0: 39:[18, 37] Operation: 19+18=37 Exploring Operation: 19-18=1, Resulting Numbers: [18, 1] Generated Node #0,1,1: 39:[18, 1] Operation: 19-18=1 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[18, 37], Operations: ['72/4=18', '19+18=37'] Exploring Operation: 18+37=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[18, 1], Operations: ['72/4=18', '19-18=1'] Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 39:[4, 15], Operations: ['72/18=4', '19-4=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[4, 15], Operations: ['72/18=4', '19-4=15'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,39 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 45, 58, 84, 39 ]
44
[ "45-39=6", "84/6=14", "58-14=44" ]
Current State: 44:[45, 58, 84, 39], Operations: [] Exploring Operation: 45-39=6, Resulting Numbers: [58, 84, 6] Generated Node #2: [58, 84, 6] from Operation: 45-39=6 Current State: 44:[58, 84, 6], Operations: ['45-39=6'] Exploring Operation: 84/6=14, Resulting Numbers: [58, 14] Generated Node #3: [58, 14] from Operation: 84/6=14 Current State: 44:[58, 14], Operations: ['45-39=6', '84/6=14'] Exploring Operation: 58-14=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[45, 58, 84, 39], Operations: [] Exploring Operation: 84-39=45, Resulting Numbers: [45, 58, 45] Generated Node #0,0: 44:[45, 58, 45] Operation: 84-39=45 Exploring Operation: 84-45=39, Resulting Numbers: [58, 39, 39] Generated Node #0,1: 44:[58, 39, 39] Operation: 84-45=39 Exploring Operation: 84-58=26, Resulting Numbers: [45, 39, 26] Generated Node #0,2: 44:[45, 39, 26] Operation: 84-58=26 Exploring Operation: 58-45=13, Resulting Numbers: [84, 39, 13] Generated Node #0,3: 44:[84, 39, 13] Operation: 58-45=13 Exploring Operation: 58-39=19, Resulting Numbers: [45, 84, 19] Generated Node #0,4: 44:[45, 84, 19] Operation: 58-39=19 Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[45, 39, 26], Operations: ['84-58=26'] Exploring Operation: 45+26=71, Resulting Numbers: [39, 71] Generated Node #0,2,0: 44:[39, 71] Operation: 45+26=71 Exploring Operation: 39-26=13, Resulting Numbers: [45, 13] Generated Node #0,2,1: 44:[45, 13] Operation: 39-26=13 Exploring Operation: 39+26=65, Resulting Numbers: [45, 65] Generated Node #0,2,2: 44:[45, 65] Operation: 39+26=65 Exploring Operation: 45-39=6, Resulting Numbers: [26, 6] Generated Node #0,2,3: 44:[26, 6] Operation: 45-39=6 Exploring Operation: 45-26=19, Resulting Numbers: [39, 19] Generated Node #0,2,4: 44:[39, 19] Operation: 45-26=19 Moving to Node #0,2,1 Current State: 44:[45, 13], Operations: ['84-58=26', '39-26=13'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,44 unequal: No Solution Moving to Node #0,2,3 Current State: 44:[26, 6], Operations: ['84-58=26', '45-39=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,44 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,44 unequal: No Solution Moving to Node #0,2,4 Current State: 44:[39, 19], Operations: ['84-58=26', '45-26=19'] Exploring Operation: 39*19=741, Resulting Numbers: [741] 741,44 unequal: No Solution Exploring Operation: 39+19=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[45, 65], Operations: ['84-58=26', '39+26=65'] Exploring Operation: 45*65=2925, Resulting Numbers: [2925] 2925,44 unequal: No Solution Exploring Operation: 45+65=110, Resulting Numbers: [110] 110,44 unequal: No Solution Exploring Operation: 65-45=20, Resulting Numbers: [20] 20,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[39, 71], Operations: ['84-58=26', '45+26=71'] Exploring Operation: 71-39=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 39*71=2769, Resulting Numbers: [2769] 2769,44 unequal: No Solution Exploring Operation: 39+71=110, Resulting Numbers: [110] 110,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[45, 58, 45], Operations: ['84-39=45'] Exploring Operation: 58-45=13, Resulting Numbers: [45, 13] Generated Node #0,0,0: 44:[45, 13] Operation: 58-45=13 Exploring Operation: 45/45=1, Resulting Numbers: [58, 1] Generated Node #0,0,1: 44:[58, 1] Operation: 45/45=1 Exploring Operation: 58-45=13, Resulting Numbers: [45, 13] Generated Node #0,0,2: 44:[45, 13] Operation: 58-45=13 Exploring Operation: 45+58=103, Resulting Numbers: [45, 103] Generated Node #0,0,3: 44:[45, 103] Operation: 45+58=103 Exploring Operation: 45-45=0, Resulting Numbers: [58, 0] Generated Node #0,0,4: 44:[58, 0] Operation: 45-45=0 Moving to Node #0,0,0 Current State: 44:[45, 13], Operations: ['84-39=45', '58-45=13'] Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,44 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[45, 13], Operations: ['84-39=45', '58-45=13'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,44 unequal: No Solution Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,44 unequal: No Solution Moving to Node #0,0,1 Current State: 44:[58, 1], Operations: ['84-39=45', '45/45=1'] Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,44 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,44 unequal: No Solution Moving to Node #0,0,4 Current State: 44:[58, 0], Operations: ['84-39=45', '45-45=0'] Exploring Operation: 58+0=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 58-0=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 58*0=0, Resulting Numbers: [0] 0,44 unequal: No Solution Moving to Node #0,0,3 Current State: 44:[45, 103], Operations: ['84-39=45', '45+58=103'] Exploring Operation: 103-45=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 45+103=148, Resulting Numbers: [148] 148,44 unequal: No Solution Exploring Operation: 45*103=4635, Resulting Numbers: [4635] 4635,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[58, 39, 39], Operations: ['84-45=39'] Exploring Operation: 39/39=1, Resulting Numbers: [58, 1] Generated Node #0,1,0: 44:[58, 1] Operation: 39/39=1 Exploring Operation: 58-39=19, Resulting Numbers: [39, 19] Generated Node #0,1,1: 44:[39, 19] Operation: 58-39=19 Exploring Operation: 58-39=19, Resulting Numbers: [39, 19] Generated Node #0,1,2: 44:[39, 19] Operation: 58-39=19 Exploring Operation: 39-39=0, Resulting Numbers: [58, 0] Generated Node #0,1,3: 44:[58, 0] Operation: 39-39=0 Exploring Operation: 39+39=78, Resulting Numbers: [58, 78] Generated Node #0,1,4: 44:[58, 78] Operation: 39+39=78 Moving to Node #0,1,1 Current State: 44:[39, 19], Operations: ['84-45=39', '58-39=19'] Exploring Operation: 39+19=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 39*19=741, Resulting Numbers: [741] 741,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[39, 19], Operations: ['84-45=39', '58-39=19'] Exploring Operation: 39+19=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 39*19=741, Resulting Numbers: [741] 741,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[58, 1], Operations: ['84-45=39', '39/39=1'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,44 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,44 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,44 unequal: No Solution Moving to Node #0,1,3 Current State: 44:[58, 0], Operations: ['84-45=39', '39-39=0'] Exploring Operation: 58-0=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 58*0=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 58+0=58, Resulting Numbers: [58] 58,44 unequal: No Solution Moving to Node #0,1,4 Current State: 44:[58, 78], Operations: ['84-45=39', '39+39=78'] Exploring Operation: 58*78=4524, Resulting Numbers: [4524] 4524,44 unequal: No Solution Exploring Operation: 78-58=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 58+78=136, Resulting Numbers: [136] 136,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 44:[45, 84, 19], Operations: ['58-39=19'] Exploring Operation: 45-19=26, Resulting Numbers: [84, 26] Generated Node #0,4,0: 44:[84, 26] Operation: 45-19=26 Exploring Operation: 84+19=103, Resulting Numbers: [45, 103] Generated Node #0,4,1: 44:[45, 103] Operation: 84+19=103 Exploring Operation: 84-19=65, Resulting Numbers: [45, 65] Generated Node #0,4,2: 44:[45, 65] Operation: 84-19=65 Exploring Operation: 84-45=39, Resulting Numbers: [19, 39] Generated Node #0,4,3: 44:[19, 39] Operation: 84-45=39 Exploring Operation: 45+19=64, Resulting Numbers: [84, 64] Generated Node #0,4,4: 44:[84, 64] Operation: 45+19=64 Moving to Node #0,4,3 Current State: 44:[19, 39], Operations: ['58-39=19', '84-45=39'] Exploring Operation: 19*39=741, Resulting Numbers: [741] 741,44 unequal: No Solution Exploring Operation: 19+39=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,44 unequal: No Solution Moving to Node #0,4,2 Current State: 44:[45, 65], Operations: ['58-39=19', '84-19=65'] Exploring Operation: 45*65=2925, Resulting Numbers: [2925] 2925,44 unequal: No Solution Exploring Operation: 65-45=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 45+65=110, Resulting Numbers: [110] 110,44 unequal: No Solution Moving to Node #0,4,0 Current State: 44:[84, 26], Operations: ['58-39=19', '45-19=26'] Exploring Operation: 84+26=110, Resulting Numbers: [110] 110,44 unequal: No Solution Exploring Operation: 84-26=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 84*26=2184, Resulting Numbers: [2184] 2184,44 unequal: No Solution Moving to Node #0,4,1 Current State: 44:[45, 103], Operations: ['58-39=19', '84+19=103'] Exploring Operation: 45+103=148, Resulting Numbers: [148] 148,44 unequal: No Solution Exploring Operation: 45*103=4635, Resulting Numbers: [4635] 4635,44 unequal: No Solution Exploring Operation: 103-45=58, Resulting Numbers: [58] 58,44 unequal: No Solution Moving to Node #0,4,4 Current State: 44:[84, 64], Operations: ['58-39=19', '45+19=64'] Exploring Operation: 84*64=5376, Resulting Numbers: [5376] 5376,44 unequal: No Solution Exploring Operation: 84-64=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 84+64=148, Resulting Numbers: [148] 148,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[84, 39, 13], Operations: ['58-45=13'] Exploring Operation: 84-39=45, Resulting Numbers: [13, 45] Generated Node #0,3,0: 44:[13, 45] Operation: 84-39=45 Exploring Operation: 84-13=71, Resulting Numbers: [39, 71] Generated Node #0,3,1: 44:[39, 71] Operation: 84-13=71 Exploring Operation: 39/13=3, Resulting Numbers: [84, 3] Generated Node #0,3,2: 44:[84, 3] Operation: 39/13=3 Exploring Operation: 39-13=26, Resulting Numbers: [84, 26] Generated Node #0,3,3: 44:[84, 26] Operation: 39-13=26 Exploring Operation: 39+13=52, Resulting Numbers: [84, 52] Generated Node #0,3,4: 44:[84, 52] Operation: 39+13=52 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 44:[13, 45], Operations: ['58-45=13', '84-39=45'] Exploring Operation: 13*45=585, Resulting Numbers: [585] 585,44 unequal: No Solution Exploring Operation: 13+45=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 44:[39, 71], Operations: ['58-45=13', '84-13=71'] Exploring Operation: 71-39=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 39*71=2769, Resulting Numbers: [2769] 2769,44 unequal: No Solution Exploring Operation: 39+71=110, Resulting Numbers: [110] 110,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 44:[84, 3], Operations: ['58-45=13', '39/13=3'] Exploring Operation: 84+3=87, Resulting Numbers: [87] 87,44 unequal: No Solution Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,44 unequal: No Solution Exploring Operation: 84*3=252, Resulting Numbers: [252] 252,44 unequal: No Solution Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 44:[84, 26], Operations: ['58-45=13', '39-13=26'] Exploring Operation: 84+26=110, Resulting Numbers: [110] 110,44 unequal: No Solution Exploring Operation: 84*26=2184, Resulting Numbers: [2184] 2184,44 unequal: No Solution Exploring Operation: 84-26=58, Resulting Numbers: [58] 58,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 44:[84, 52], Operations: ['58-45=13', '39+13=52'] Exploring Operation: 84-52=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 84+52=136, Resulting Numbers: [136] 136,44 unequal: No Solution Exploring Operation: 84*52=4368, Resulting Numbers: [4368] 4368,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 18, 15, 28, 8 ]
72
[ "18*28=504", "15-8=7", "504/7=72" ]
Current State: 72:[18, 15, 28, 8], Operations: [] Exploring Operation: 18*28=504, Resulting Numbers: [15, 8, 504] Generated Node #2: [15, 8, 504] from Operation: 18*28=504 Current State: 72:[15, 8, 504], Operations: ['18*28=504'] Exploring Operation: 15-8=7, Resulting Numbers: [504, 7] Generated Node #3: [504, 7] from Operation: 15-8=7 Current State: 72:[504, 7], Operations: ['18*28=504', '15-8=7'] Exploring Operation: 504/7=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[18, 15, 28, 8], Operations: [] Exploring Operation: 28-15=13, Resulting Numbers: [18, 8, 13] Generated Node #0,0: 72:[18, 8, 13] Operation: 28-15=13 Moving to Node #0,0 Current State: 72:[18, 8, 13], Operations: ['28-15=13'] Exploring Operation: 18-13=5, Resulting Numbers: [8, 5] Generated Node #0,0,0: 72:[8, 5] Operation: 18-13=5 Moving to Node #0,0,0 Current State: 72:[8, 5], Operations: ['28-15=13', '18-13=5'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,72 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 33, 21, 23, 9 ]
84
[ "33+9=42", "23-21=2", "42*2=84" ]
Current State: 84:[33, 21, 23, 9], Operations: [] Exploring Operation: 33+9=42, Resulting Numbers: [21, 23, 42] Generated Node #2: [21, 23, 42] from Operation: 33+9=42 Current State: 84:[21, 23, 42], Operations: ['33+9=42'] Exploring Operation: 23-21=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 23-21=2 Current State: 84:[42, 2], Operations: ['33+9=42', '23-21=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[33, 21, 23, 9], Operations: [] Exploring Operation: 33+9=42, Resulting Numbers: [21, 23, 42] Generated Node #0,0: 84:[21, 23, 42] Operation: 33+9=42 Exploring Operation: 33-21=12, Resulting Numbers: [23, 9, 12] Generated Node #0,1: 84:[23, 9, 12] Operation: 33-21=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[21, 23, 42], Operations: ['33+9=42'] Exploring Operation: 23-21=2, Resulting Numbers: [42, 2] Generated Node #0,0,0: 84:[42, 2] Operation: 23-21=2 Exploring Operation: 21+23=44, Resulting Numbers: [42, 44] Generated Node #0,0,1: 84:[42, 44] Operation: 21+23=44 Moving to Node #0,0,0 Current State: 84:[42, 2], Operations: ['33+9=42', '23-21=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[33, 21, 23, 9], Operations: [] Exploring Operation: 33+9=42, Resulting Numbers: [21, 23, 42] Generated Node #0,0: 84:[21, 23, 42] Operation: 33+9=42 Moving to Node #0,0 Current State: 84:[21, 23, 42], Operations: ['33+9=42'] Exploring Operation: 23-21=2, Resulting Numbers: [42, 2] Generated Node #0,0,0: 84:[42, 2] Operation: 23-21=2 Moving to Node #0,0,0 Current State: 84:[42, 2], Operations: ['33+9=42', '23-21=2'] Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 6, 61, 22, 17 ]
31
[ "22-17=5", "6*5=30", "61-30=31" ]
Current State: 31:[6, 61, 22, 17], Operations: [] Exploring Operation: 22-17=5, Resulting Numbers: [6, 61, 5] Generated Node #2: [6, 61, 5] from Operation: 22-17=5 Current State: 31:[6, 61, 5], Operations: ['22-17=5'] Exploring Operation: 6*5=30, Resulting Numbers: [61, 30] Generated Node #3: [61, 30] from Operation: 6*5=30 Current State: 31:[61, 30], Operations: ['22-17=5', '6*5=30'] Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[6, 61, 22, 17], Operations: [] Exploring Operation: 6+17=23, Resulting Numbers: [61, 22, 23] Generated Node #0,0: 31:[61, 22, 23] Operation: 6+17=23 Exploring Operation: 6+22=28, Resulting Numbers: [61, 17, 28] Generated Node #0,1: 31:[61, 17, 28] Operation: 6+22=28 Exploring Operation: 61-6=55, Resulting Numbers: [22, 17, 55] Generated Node #0,2: 31:[22, 17, 55] Operation: 61-6=55 Exploring Operation: 61-17=44, Resulting Numbers: [6, 22, 44] Generated Node #0,3: 31:[6, 22, 44] Operation: 61-17=44 Exploring Operation: 61-22=39, Resulting Numbers: [6, 17, 39] Generated Node #0,4: 31:[6, 17, 39] Operation: 61-22=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[61, 22, 23], Operations: ['6+17=23'] Exploring Operation: 23-22=1, Resulting Numbers: [61, 1] Generated Node #0,0,0: 31:[61, 1] Operation: 23-22=1 Exploring Operation: 61+22=83, Resulting Numbers: [23, 83] Generated Node #0,0,1: 31:[23, 83] Operation: 61+22=83 Exploring Operation: 22+23=45, Resulting Numbers: [61, 45] Generated Node #0,0,2: 31:[61, 45] Operation: 22+23=45 Exploring Operation: 61-23=38, Resulting Numbers: [22, 38] Generated Node #0,0,3: 31:[22, 38] Operation: 61-23=38 Exploring Operation: 61-22=39, Resulting Numbers: [23, 39] Generated Node #0,0,4: 31:[23, 39] Operation: 61-22=39 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 31:[22, 38], Operations: ['6+17=23', '61-23=38'] Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,31 unequal: No Solution No 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: 31:[23, 39], Operations: ['6+17=23', '61-22=39'] Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 23+39=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 23*39=897, Resulting Numbers: [897] 897,31 unequal: No Solution No 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: 31:[61, 45], Operations: ['6+17=23', '22+23=45'] Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 61+45=106, Resulting Numbers: [106] 106,31 unequal: No Solution Exploring Operation: 61*45=2745, Resulting Numbers: [2745] 2745,31 unequal: No Solution No 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: 31:[61, 1], Operations: ['6+17=23', '23-22=1'] Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,31 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,31 unequal: No Solution No 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: 31:[23, 83], Operations: ['6+17=23', '61+22=83'] Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 23+83=106, Resulting Numbers: [106] 106,31 unequal: No Solution Exploring Operation: 23*83=1909, Resulting Numbers: [1909] 1909,31 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: 31:[61, 17, 28], Operations: ['6+22=28'] Exploring Operation: 61+17=78, Resulting Numbers: [28, 78] Generated Node #0,1,0: 31:[28, 78] Operation: 61+17=78 Exploring Operation: 61-28=33, Resulting Numbers: [17, 33] Generated Node #0,1,1: 31:[17, 33] Operation: 61-28=33 Exploring Operation: 17+28=45, Resulting Numbers: [61, 45] Generated Node #0,1,2: 31:[61, 45] Operation: 17+28=45 Exploring Operation: 61-17=44, Resulting Numbers: [28, 44] Generated Node #0,1,3: 31:[28, 44] Operation: 61-17=44 Exploring Operation: 28-17=11, Resulting Numbers: [61, 11] Generated Node #0,1,4: 31:[61, 11] Operation: 28-17=11 Moving to Node #0,1,1 Current State: 31:[17, 33], Operations: ['6+22=28', '61-28=33'] Exploring Operation: 17*33=561, Resulting Numbers: [561] 561,31 unequal: No Solution Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 17+33=50, Resulting Numbers: [50] 50,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[28, 44], Operations: ['6+22=28', '61-17=44'] Exploring Operation: 28*44=1232, Resulting Numbers: [1232] 1232,31 unequal: No Solution Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 28+44=72, Resulting Numbers: [72] 72,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[61, 45], Operations: ['6+22=28', '17+28=45'] Exploring Operation: 61+45=106, Resulting Numbers: [106] 106,31 unequal: No Solution Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 61*45=2745, Resulting Numbers: [2745] 2745,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[28, 78], Operations: ['6+22=28', '61+17=78'] Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 28+78=106, Resulting Numbers: [106] 106,31 unequal: No Solution Exploring Operation: 28*78=2184, Resulting Numbers: [2184] 2184,31 unequal: No Solution Moving to Node #0,1,4 Current State: 31:[61, 11], Operations: ['6+22=28', '28-17=11'] Exploring Operation: 61-11=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 61+11=72, Resulting Numbers: [72] 72,31 unequal: No Solution Exploring Operation: 61*11=671, Resulting Numbers: [671] 671,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[22, 17, 55], Operations: ['61-6=55'] Exploring Operation: 17+55=72, Resulting Numbers: [22, 72] Generated Node #0,2,0: 31:[22, 72] Operation: 17+55=72 Exploring Operation: 55-17=38, Resulting Numbers: [22, 38] Generated Node #0,2,1: 31:[22, 38] Operation: 55-17=38 Exploring Operation: 22+17=39, Resulting Numbers: [55, 39] Generated Node #0,2,2: 31:[55, 39] Operation: 22+17=39 Exploring Operation: 22-17=5, Resulting Numbers: [55, 5] Generated Node #0,2,3: 31:[55, 5] Operation: 22-17=5 Exploring Operation: 55-22=33, Resulting Numbers: [17, 33] Generated Node #0,2,4: 31:[17, 33] Operation: 55-22=33 Moving to Node #0,2,1 Current State: 31:[22, 38], Operations: ['61-6=55', '55-17=38'] Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,31 unequal: No Solution Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,31 unequal: No Solution Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,31 unequal: No Solution Moving to Node #0,2,4 Current State: 31:[17, 33], Operations: ['61-6=55', '55-22=33'] Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 17+33=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 17*33=561, Resulting Numbers: [561] 561,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[55, 39], Operations: ['61-6=55', '22+17=39'] Exploring Operation: 55+39=94, Resulting Numbers: [94] 94,31 unequal: No Solution Exploring Operation: 55-39=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 55*39=2145, Resulting Numbers: [2145] 2145,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[22, 72], Operations: ['61-6=55', '17+55=72'] Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 22*72=1584, Resulting Numbers: [1584] 1584,31 unequal: No Solution Exploring Operation: 22+72=94, Resulting Numbers: [94] 94,31 unequal: No Solution Moving to Node #0,2,3 Current State: 31:[55, 5], Operations: ['61-6=55', '22-17=5'] Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,31 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,31 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 31:[6, 22, 44], Operations: ['61-17=44'] Exploring Operation: 6+22=28, Resulting Numbers: [44, 28] Generated Node #0,3,0: 31:[44, 28] Operation: 6+22=28 Exploring Operation: 6+44=50, Resulting Numbers: [22, 50] Generated Node #0,3,1: 31:[22, 50] Operation: 6+44=50 Exploring Operation: 44-22=22, Resulting Numbers: [6, 22] Generated Node #0,3,2: 31:[6, 22] Operation: 44-22=22 Exploring Operation: 22-6=16, Resulting Numbers: [44, 16] Generated Node #0,3,3: 31:[44, 16] Operation: 22-6=16 Exploring Operation: 44-6=38, Resulting Numbers: [22, 38] Generated Node #0,3,4: 31:[22, 38] Operation: 44-6=38 Moving to Node #0,3,0 Current State: 31:[44, 28], Operations: ['61-17=44', '6+22=28'] Exploring Operation: 44-28=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 44+28=72, Resulting Numbers: [72] 72,31 unequal: No Solution Exploring Operation: 44*28=1232, Resulting Numbers: [1232] 1232,31 unequal: No Solution Moving to Node #0,3,4 Current State: 31:[22, 38], Operations: ['61-17=44', '44-6=38'] Exploring Operation: 38-22=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 22*38=836, Resulting Numbers: [836] 836,31 unequal: No Solution Exploring Operation: 22+38=60, Resulting Numbers: [60] 60,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[22, 50], Operations: ['61-17=44', '6+44=50'] Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 22*50=1100, Resulting Numbers: [1100] 1100,31 unequal: No Solution Exploring Operation: 22+50=72, Resulting Numbers: [72] 72,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[44, 16], Operations: ['61-17=44', '22-6=16'] Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,31 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,31 unequal: No Solution Moving to Node #0,3,2 Current State: 31:[6, 22], Operations: ['61-17=44', '44-22=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 31:[6, 17, 39], Operations: ['61-22=39'] Exploring Operation: 39-6=33, Resulting Numbers: [17, 33] Generated Node #0,4,0: 31:[17, 33] Operation: 39-6=33 Exploring Operation: 39-17=22, Resulting Numbers: [6, 22] Generated Node #0,4,1: 31:[6, 22] Operation: 39-17=22 Exploring Operation: 6+39=45, Resulting Numbers: [17, 45] Generated Node #0,4,2: 31:[17, 45] Operation: 6+39=45 Exploring Operation: 17-6=11, Resulting Numbers: [39, 11] Generated Node #0,4,3: 31:[39, 11] Operation: 17-6=11 Exploring Operation: 6+17=23, Resulting Numbers: [39, 23] Generated Node #0,4,4: 31:[39, 23] Operation: 6+17=23 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 31:[17, 33], Operations: ['61-22=39', '39-6=33'] Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 17*33=561, Resulting Numbers: [561] 561,31 unequal: No Solution Exploring Operation: 17+33=50, Resulting Numbers: [50] 50,31 unequal: No Solution No 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: 31:[39, 23], Operations: ['61-22=39', '6+17=23'] Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,31 unequal: No Solution Exploring Operation: 39+23=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 39*23=897, Resulting Numbers: [897] 897,31 unequal: No Solution No 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: 31:[17, 45], Operations: ['61-22=39', '6+39=45'] Exploring Operation: 45-17=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 17+45=62, Resulting Numbers: [62] 62,31 unequal: No Solution Exploring Operation: 17*45=765, Resulting Numbers: [765] 765,31 unequal: No Solution No 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: 31:[39, 11], Operations: ['61-22=39', '17-6=11'] Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,31 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,31 unequal: No Solution No 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: 31:[6, 22], Operations: ['61-22=39', '39-17=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,31 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,31 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, 18, 56, 52 ]
34
[ "56+52=108", "108/18=6", "40-6=34" ]
Current State: 34:[40, 18, 56, 52], Operations: [] Exploring Operation: 56+52=108, Resulting Numbers: [40, 18, 108] Generated Node #2: [40, 18, 108] from Operation: 56+52=108 Current State: 34:[40, 18, 108], Operations: ['56+52=108'] Exploring Operation: 108/18=6, Resulting Numbers: [40, 6] Generated Node #3: [40, 6] from Operation: 108/18=6 Current State: 34:[40, 6], Operations: ['56+52=108', '108/18=6'] Exploring Operation: 40-6=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[40, 18, 56, 52], Operations: [] Exploring Operation: 52-40=12, Resulting Numbers: [18, 56, 12] Generated Node #0,0: 34:[18, 56, 12] Operation: 52-40=12 Exploring Operation: 56-40=16, Resulting Numbers: [18, 52, 16] Generated Node #0,1: 34:[18, 52, 16] Operation: 56-40=16 Exploring Operation: 56-52=4, Resulting Numbers: [40, 18, 4] Generated Node #0,2: 34:[40, 18, 4] Operation: 56-52=4 Exploring Operation: 52-18=34, Resulting Numbers: [40, 56, 34] Generated Node #0,3: 34:[40, 56, 34] Operation: 52-18=34 Exploring Operation: 56-18=38, Resulting Numbers: [40, 52, 38] Generated Node #0,4: 34:[40, 52, 38] Operation: 56-18=38 Moving to Node #0,2 Current State: 34:[40, 18, 4], Operations: ['56-52=4'] Exploring Operation: 40/4=10, Resulting Numbers: [18, 10] Generated Node #0,2,0: 34:[18, 10] Operation: 40/4=10 Exploring Operation: 40+4=44, Resulting Numbers: [18, 44] Generated Node #0,2,1: 34:[18, 44] Operation: 40+4=44 Exploring Operation: 40-18=22, Resulting Numbers: [4, 22] Generated Node #0,2,2: 34:[4, 22] Operation: 40-18=22 Exploring Operation: 40-4=36, Resulting Numbers: [18, 36] Generated Node #0,2,3: 34:[18, 36] Operation: 40-4=36 Exploring Operation: 18-4=14, Resulting Numbers: [40, 14] Generated Node #0,2,4: 34:[40, 14] Operation: 18-4=14 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 34:[18, 36], Operations: ['56-52=4', '40-4=36'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,34 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,34 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,34 unequal: No Solution No 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: 34:[4, 22], Operations: ['56-52=4', '40-18=22'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,34 unequal: No Solution No 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: 34:[18, 10], Operations: ['56-52=4', '40/4=10'] Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,34 unequal: No Solution Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,34 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,34 unequal: No Solution No 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: 34:[40, 14], Operations: ['56-52=4', '18-4=14'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,34 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,34 unequal: No Solution No 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: 34:[18, 44], Operations: ['56-52=4', '40+4=44'] Exploring Operation: 18+44=62, Resulting Numbers: [62] 62,34 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 18*44=792, Resulting Numbers: [792] 792,34 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: 34:[18, 52, 16], Operations: ['56-40=16'] Exploring Operation: 52-18=34, Resulting Numbers: [16, 34] Generated Node #0,1,0: 34:[16, 34] Operation: 52-18=34 Exploring Operation: 18-16=2, Resulting Numbers: [52, 2] Generated Node #0,1,1: 34:[52, 2] Operation: 18-16=2 Exploring Operation: 52-16=36, Resulting Numbers: [18, 36] Generated Node #0,1,2: 34:[18, 36] Operation: 52-16=36 Exploring Operation: 18+16=34, Resulting Numbers: [52, 34] Generated Node #0,1,3: 34:[52, 34] Operation: 18+16=34 Exploring Operation: 52+16=68, Resulting Numbers: [18, 68] Generated Node #0,1,4: 34:[18, 68] Operation: 52+16=68 Moving to Node #0,0 Current State: 34:[18, 56, 12], Operations: ['52-40=12'] Exploring Operation: 56+12=68, Resulting Numbers: [18, 68] Generated Node #0,0,0: 34:[18, 68] Operation: 56+12=68 Exploring Operation: 18-12=6, Resulting Numbers: [56, 6] Generated Node #0,0,1: 34:[56, 6] Operation: 18-12=6 Exploring Operation: 56-12=44, Resulting Numbers: [18, 44] Generated Node #0,0,2: 34:[18, 44] Operation: 56-12=44 Exploring Operation: 18+12=30, Resulting Numbers: [56, 30] Generated Node #0,0,3: 34:[56, 30] Operation: 18+12=30 Exploring Operation: 56-18=38, Resulting Numbers: [12, 38] Generated Node #0,0,4: 34:[12, 38] Operation: 56-18=38 Moving to Node #0,3 Current State: 34:[40, 56, 34], Operations: ['52-18=34'] Exploring Operation: 40+34=74, Resulting Numbers: [56, 74] Generated Node #0,3,0: 34:[56, 74] Operation: 40+34=74 Exploring Operation: 40+56=96, Resulting Numbers: [34, 96] Generated Node #0,3,1: 34:[34, 96] Operation: 40+56=96 Exploring Operation: 56-34=22, Resulting Numbers: [40, 22] Generated Node #0,3,2: 34:[40, 22] Operation: 56-34=22 Exploring Operation: 56-40=16, Resulting Numbers: [34, 16] Generated Node #0,3,3: 34:[34, 16] Operation: 56-40=16 Exploring Operation: 40-34=6, Resulting Numbers: [56, 6] Generated Node #0,3,4: 34:[56, 6] Operation: 40-34=6 Moving to Node #0,4 Current State: 34:[40, 52, 38], Operations: ['56-18=38'] Exploring Operation: 52-38=14, Resulting Numbers: [40, 14] Generated Node #0,4,0: 34:[40, 14] Operation: 52-38=14 Exploring Operation: 40+38=78, Resulting Numbers: [52, 78] Generated Node #0,4,1: 34:[52, 78] Operation: 40+38=78 Exploring Operation: 52-40=12, Resulting Numbers: [38, 12] Generated Node #0,4,2: 34:[38, 12] Operation: 52-40=12 Exploring Operation: 40-38=2, Resulting Numbers: [52, 2] Generated Node #0,4,3: 34:[52, 2] Operation: 40-38=2 Exploring Operation: 40+52=92, Resulting Numbers: [38, 92] Generated Node #0,4,4: 34:[38, 92] Operation: 40+52=92 Moving to Node #0,1,0 Current State: 34:[16, 34], Operations: ['56-40=16', '52-18=34'] Exploring Operation: 16+34=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 16*34=544, Resulting Numbers: [544] 544,34 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[34, 16], Operations: ['52-18=34', '56-40=16'] Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,34 unequal: No Solution Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,34 unequal: No Solution Moving to Node #0,1,2 Current State: 34:[18, 36], Operations: ['56-40=16', '52-16=36'] Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,34 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 18*36=648, Resulting Numbers: [648] 648,34 unequal: No Solution Moving to Node #0,0,4 Current State: 34:[12, 38], Operations: ['52-40=12', '56-18=38'] Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 12*38=456, Resulting Numbers: [456] 456,34 unequal: No Solution Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,34 unequal: No Solution Moving to Node #0,4,0 Current State: 34:[40, 14], Operations: ['56-18=38', '52-38=14'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,34 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,34 unequal: No Solution Moving to Node #0,4,2 Current State: 34:[38, 12], Operations: ['56-18=38', '52-40=12'] Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,34 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[18, 44], Operations: ['52-40=12', '56-12=44'] Exploring Operation: 18*44=792, Resulting Numbers: [792] 792,34 unequal: No Solution Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 18+44=62, Resulting Numbers: [62] 62,34 unequal: No Solution Moving to Node #0,3,2 Current State: 34:[40, 22], Operations: ['52-18=34', '56-34=22'] Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 40*22=880, Resulting Numbers: [880] 880,34 unequal: No Solution Exploring Operation: 40+22=62, Resulting Numbers: [62] 62,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[52, 2], Operations: ['56-40=16', '18-16=2'] Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,34 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 52*2=104, Resulting Numbers: [104] 104,34 unequal: No Solution Moving to Node #0,4,3 Current State: 34:[52, 2], Operations: ['56-18=38', '40-38=2'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 52*2=104, Resulting Numbers: [104] 104,34 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,34 unequal: No Solution Moving to Node #0,1,3 Current State: 34:[52, 34], Operations: ['56-40=16', '18+16=34'] Exploring Operation: 52+34=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 52*34=1768, Resulting Numbers: [1768] 1768,34 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,34 unequal: No Solution Moving to Node #0,0,3 Current State: 34:[56, 30], Operations: ['52-40=12', '18+12=30'] Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,34 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,34 unequal: No Solution Moving to Node #0,3,4 Current State: 34:[56, 6], Operations: ['52-18=34', '40-34=6'] Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,34 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,34 unequal: No Solution Moving to Node #0,0,1 Current State: 34:[56, 6], Operations: ['52-40=12', '18-12=6'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 56*6=336, Resulting Numbers: [336] 336,34 unequal: No Solution Exploring Operation: 56+6=62, Resulting Numbers: [62] 62,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[18, 68], Operations: ['52-40=12', '56+12=68'] Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 18+68=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 18*68=1224, Resulting Numbers: [1224] 1224,34 unequal: No Solution Moving to Node #0,1,4 Current State: 34:[18, 68], Operations: ['56-40=16', '52+16=68'] Exploring Operation: 18*68=1224, Resulting Numbers: [1224] 1224,34 unequal: No Solution Exploring Operation: 18+68=86, Resulting Numbers: [86] 86,34 unequal: No Solution Exploring Operation: 68-18=50, Resulting Numbers: [50] 50,34 unequal: No Solution Moving to Node #0,4,4 Current State: 34:[38, 92], Operations: ['56-18=38', '40+52=92'] Exploring Operation: 38+92=130, Resulting Numbers: [130] 130,34 unequal: No Solution Exploring Operation: 38*92=3496, Resulting Numbers: [3496] 3496,34 unequal: No Solution Exploring Operation: 92-38=54, Resulting Numbers: [54] 54,34 unequal: No Solution Moving to Node #0,3,0 Current State: 34:[56, 74], Operations: ['52-18=34', '40+34=74'] Exploring Operation: 56+74=130, Resulting Numbers: [130] 130,34 unequal: No Solution Exploring Operation: 56*74=4144, Resulting Numbers: [4144] 4144,34 unequal: No Solution Exploring Operation: 74-56=18, Resulting Numbers: [18] 18,34 unequal: No Solution Moving to Node #0,3,1 Current State: 34:[34, 96], Operations: ['52-18=34', '40+56=96'] Exploring Operation: 34*96=3264, Resulting Numbers: [3264] 3264,34 unequal: No Solution Exploring Operation: 96-34=62, Resulting Numbers: [62] 62,34 unequal: No Solution Exploring Operation: 34+96=130, Resulting Numbers: [130] 130,34 unequal: No Solution Moving to Node #0,4,1 Current State: 34:[52, 78], Operations: ['56-18=38', '40+38=78'] Exploring Operation: 52+78=130, Resulting Numbers: [130] 130,34 unequal: No Solution Exploring Operation: 78-52=26, Resulting Numbers: [26] 26,34 unequal: No Solution Exploring Operation: 52*78=4056, Resulting Numbers: [4056] 4056,34 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 85, 89, 81, 22 ]
55
[ "89-85=4", "81-22=59", "59-4=55" ]
Current State: 55:[85, 89, 81, 22], Operations: [] Exploring Operation: 89-85=4, Resulting Numbers: [81, 22, 4] Generated Node #2: [81, 22, 4] from Operation: 89-85=4 Current State: 55:[81, 22, 4], Operations: ['89-85=4'] Exploring Operation: 81-22=59, Resulting Numbers: [4, 59] Generated Node #3: [4, 59] from Operation: 81-22=59 Current State: 55:[4, 59], Operations: ['89-85=4', '81-22=59'] Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[85, 89, 81, 22], Operations: [] Exploring Operation: 89-85=4, Resulting Numbers: [81, 22, 4] Generated Node #0,0: 55:[81, 22, 4] Operation: 89-85=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[81, 22, 4], Operations: ['89-85=4'] Exploring Operation: 81-22=59, Resulting Numbers: [4, 59] Generated Node #0,0,0: 55:[4, 59] Operation: 81-22=59 Moving to Node #0,0,0 Current State: 55:[4, 59], Operations: ['89-85=4', '81-22=59'] Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[85, 89, 81, 22], Operations: [] Exploring Operation: 89-85=4, Resulting Numbers: [81, 22, 4] Generated Node #0,0: 55:[81, 22, 4] Operation: 89-85=4 Moving to Node #0,0 Current State: 55:[81, 22, 4], Operations: ['89-85=4'] Exploring Operation: 81-22=59, Resulting Numbers: [4, 59] Generated Node #0,0,0: 55:[4, 59] Operation: 81-22=59 Moving to Node #0,0,0 Current State: 55:[4, 59], Operations: ['89-85=4', '81-22=59'] Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 30, 51, 10, 72 ]
61
[ "51-30=21", "10+72=82", "82-21=61" ]
Current State: 61:[30, 51, 10, 72], Operations: [] Exploring Operation: 51-30=21, Resulting Numbers: [10, 72, 21] Generated Node #2: [10, 72, 21] from Operation: 51-30=21 Current State: 61:[10, 72, 21], Operations: ['51-30=21'] Exploring Operation: 10+72=82, Resulting Numbers: [21, 82] Generated Node #3: [21, 82] from Operation: 10+72=82 Current State: 61:[21, 82], Operations: ['51-30=21', '10+72=82'] Exploring Operation: 82-21=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[30, 51, 10, 72], Operations: [] Exploring Operation: 72-10=62, Resulting Numbers: [30, 51, 62] Generated Node #0,0: 61:[30, 51, 62] Operation: 72-10=62 Exploring Operation: 51+10=61, Resulting Numbers: [30, 72, 61] Generated Node #0,1: 61:[30, 72, 61] Operation: 51+10=61 Exploring Operation: 51-10=41, Resulting Numbers: [30, 72, 41] Generated Node #0,2: 61:[30, 72, 41] Operation: 51-10=41 Exploring Operation: 30-10=20, Resulting Numbers: [51, 72, 20] Generated Node #0,3: 61:[51, 72, 20] Operation: 30-10=20 Exploring Operation: 30+10=40, Resulting Numbers: [51, 72, 40] Generated Node #0,4: 61:[51, 72, 40] Operation: 30+10=40 Moving to Node #0,0 Current State: 61:[30, 51, 62], Operations: ['72-10=62'] Exploring Operation: 30+51=81, Resulting Numbers: [62, 81] Generated Node #0,0,0: 61:[62, 81] Operation: 30+51=81 Exploring Operation: 62-51=11, Resulting Numbers: [30, 11] Generated Node #0,0,1: 61:[30, 11] Operation: 62-51=11 Exploring Operation: 30+62=92, Resulting Numbers: [51, 92] Generated Node #0,0,2: 61:[51, 92] Operation: 30+62=92 Exploring Operation: 62-30=32, Resulting Numbers: [51, 32] Generated Node #0,0,3: 61:[51, 32] Operation: 62-30=32 Exploring Operation: 51-30=21, Resulting Numbers: [62, 21] Generated Node #0,0,4: 61:[62, 21] Operation: 51-30=21 Moving to Node #0,4 Current State: 61:[51, 72, 40], Operations: ['30+10=40'] Exploring Operation: 51+40=91, Resulting Numbers: [72, 91] Generated Node #0,4,0: 61:[72, 91] Operation: 51+40=91 Exploring Operation: 72-51=21, Resulting Numbers: [40, 21] Generated Node #0,4,1: 61:[40, 21] Operation: 72-51=21 Exploring Operation: 51-40=11, Resulting Numbers: [72, 11] Generated Node #0,4,2: 61:[72, 11] Operation: 51-40=11 Exploring Operation: 72+40=112, Resulting Numbers: [51, 112] Generated Node #0,4,3: 61:[51, 112] Operation: 72+40=112 Exploring Operation: 72-40=32, Resulting Numbers: [51, 32] Generated Node #0,4,4: 61:[51, 32] Operation: 72-40=32 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 61:[51, 32], Operations: ['30+10=40', '72-40=32'] Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,61 unequal: No Solution Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,61 unequal: No Solution Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,61 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 #0,4,0 Current State: 61:[72, 91], Operations: ['30+10=40', '51+40=91'] Exploring Operation: 72*91=6552, Resulting Numbers: [6552] 6552,61 unequal: No Solution Exploring Operation: 91-72=19, Resulting Numbers: [19] 19,61 unequal: No Solution Exploring Operation: 72+91=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 #0,4,1 Current State: 61:[40, 21], Operations: ['30+10=40', '72-51=21'] Exploring Operation: 40*21=840, Resulting Numbers: [840] 840,61 unequal: No Solution Exploring Operation: 40-21=19, Resulting Numbers: [19] 19,61 unequal: No Solution Exploring Operation: 40+21=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[30, 51, 10, 72], Operations: [] Exploring Operation: 30+10=40, Resulting Numbers: [51, 72, 40] Generated Node #0,4: 61:[51, 72, 40] Operation: 30+10=40 Moving to Node #0,4 Current State: 61:[51, 72, 40], Operations: ['30+10=40'] Exploring Operation: 72-51=21, Resulting Numbers: [40, 21] Generated Node #0,4,1: 61:[40, 21] Operation: 72-51=21 Moving to Node #0,4,1 Current State: 61:[40, 21], Operations: ['30+10=40', '72-51=21'] Exploring Operation: 40+21=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_5
mult_heuristic
[ 13, 2, 9, 64 ]
47
[ "13*2=26", "9+64=73", "73-26=47" ]
Current State: 47:[13, 2, 9, 64], Operations: [] Exploring Operation: 13*2=26, Resulting Numbers: [9, 64, 26] Generated Node #2: [9, 64, 26] from Operation: 13*2=26 Current State: 47:[9, 64, 26], Operations: ['13*2=26'] Exploring Operation: 9+64=73, Resulting Numbers: [26, 73] Generated Node #3: [26, 73] from Operation: 9+64=73 Current State: 47:[26, 73], Operations: ['13*2=26', '9+64=73'] Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[13, 2, 9, 64], Operations: [] Exploring Operation: 13*2=26, Resulting Numbers: [9, 64, 26] Generated Node #0,0: 47:[9, 64, 26] Operation: 13*2=26 Exploring Operation: 2*9=18, Resulting Numbers: [13, 64, 18] Generated Node #0,1: 47:[13, 64, 18] Operation: 2*9=18 Exploring Operation: 13+9=22, Resulting Numbers: [2, 64, 22] Generated Node #0,2: 47:[2, 64, 22] Operation: 13+9=22 Exploring Operation: 13+2=15, Resulting Numbers: [9, 64, 15] Generated Node #0,3: 47:[9, 64, 15] Operation: 13+2=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[9, 64, 26], Operations: ['13*2=26'] Exploring Operation: 9+26=35, Resulting Numbers: [64, 35] Generated Node #0,0,0: 47:[64, 35] Operation: 9+26=35 Exploring Operation: 64-9=55, Resulting Numbers: [26, 55] Generated Node #0,0,1: 47:[26, 55] Operation: 64-9=55 Exploring Operation: 9+64=73, Resulting Numbers: [26, 73] Generated Node #0,0,2: 47:[26, 73] Operation: 9+64=73 Exploring Operation: 26-9=17, Resulting Numbers: [64, 17] Generated Node #0,0,3: 47:[64, 17] Operation: 26-9=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[64, 35], Operations: ['13*2=26', '9+26=35'] Exploring Operation: 64-35=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 64+35=99, Resulting Numbers: [99] 99,47 unequal: No Solution Exploring Operation: 64*35=2240, Resulting Numbers: [2240] 2240,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[26, 55], Operations: ['13*2=26', '64-9=55'] Exploring Operation: 26*55=1430, Resulting Numbers: [1430] 1430,47 unequal: No Solution Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,47 unequal: No Solution Exploring Operation: 26+55=81, Resulting Numbers: [81] 81,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[26, 73], Operations: ['13*2=26', '9+64=73'] Exploring Operation: 26*73=1898, Resulting Numbers: [1898] 1898,47 unequal: No Solution Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[13, 2, 9, 64], Operations: [] Exploring Operation: 13*2=26, Resulting Numbers: [9, 64, 26] Generated Node #0,0: 47:[9, 64, 26] Operation: 13*2=26 Moving to Node #0,0 Current State: 47:[9, 64, 26], Operations: ['13*2=26'] Exploring Operation: 9+64=73, Resulting Numbers: [26, 73] Generated Node #0,0,2: 47:[26, 73] Operation: 9+64=73 Moving to Node #0,0,2 Current State: 47:[26, 73], Operations: ['13*2=26', '9+64=73'] Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 87, 48, 24, 2 ]
83
[ "87-2=85", "48/24=2", "85-2=83" ]
Current State: 83:[87, 48, 24, 2], Operations: [] Exploring Operation: 87-2=85, Resulting Numbers: [48, 24, 85] Generated Node #2: [48, 24, 85] from Operation: 87-2=85 Current State: 83:[48, 24, 85], Operations: ['87-2=85'] Exploring Operation: 48/24=2, Resulting Numbers: [85, 2] Generated Node #3: [85, 2] from Operation: 48/24=2 Current State: 83:[85, 2], Operations: ['87-2=85', '48/24=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[87, 48, 24, 2], Operations: [] Exploring Operation: 48+24=72, Resulting Numbers: [87, 2, 72] Generated Node #0,0: 83:[87, 2, 72] Operation: 48+24=72 Exploring Operation: 24*2=48, Resulting Numbers: [87, 48, 48] Generated Node #0,1: 83:[87, 48, 48] Operation: 24*2=48 Exploring Operation: 48*2=96, Resulting Numbers: [87, 24, 96] Generated Node #0,2: 83:[87, 24, 96] Operation: 48*2=96 Exploring Operation: 87-2=85, Resulting Numbers: [48, 24, 85] Generated Node #0,3: 83:[48, 24, 85] Operation: 87-2=85 Exploring Operation: 48+2=50, Resulting Numbers: [87, 24, 50] Generated Node #0,4: 83:[87, 24, 50] Operation: 48+2=50 Moving to Node #0,1 Current State: 83:[87, 48, 48], Operations: ['24*2=48'] Exploring Operation: 87-48=39, Resulting Numbers: [48, 39] Generated Node #0,1,0: 83:[48, 39] Operation: 87-48=39 Exploring Operation: 48/48=1, Resulting Numbers: [87, 1] Generated Node #0,1,1: 83:[87, 1] Operation: 48/48=1 Exploring Operation: 87+48=135, Resulting Numbers: [48, 135] Generated Node #0,1,2: 83:[48, 135] Operation: 87+48=135 Exploring Operation: 87-48=39, Resulting Numbers: [48, 39] Generated Node #0,1,3: 83:[48, 39] Operation: 87-48=39 Exploring Operation: 48+48=96, Resulting Numbers: [87, 96] Generated Node #0,1,4: 83:[87, 96] Operation: 48+48=96 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 83:[87, 96], Operations: ['24*2=48', '48+48=96'] Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,83 unequal: No Solution Exploring Operation: 87+96=183, Resulting Numbers: [183] 183,83 unequal: No Solution Exploring Operation: 87*96=8352, Resulting Numbers: [8352] 8352,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[48, 39], Operations: ['24*2=48', '87-48=39'] Exploring Operation: 48*39=1872, Resulting Numbers: [1872] 1872,83 unequal: No Solution Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,83 unequal: No Solution Exploring Operation: 48+39=87, Resulting Numbers: [87] 87,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 83:[48, 39], Operations: ['24*2=48', '87-48=39'] Exploring Operation: 48*39=1872, Resulting Numbers: [1872] 1872,83 unequal: No Solution Exploring Operation: 48+39=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[87, 1], Operations: ['24*2=48', '48/48=1'] Exploring Operation: 87+1=88, Resulting Numbers: [88] 88,83 unequal: No Solution Exploring Operation: 87*1=87, Resulting Numbers: [87] 87,83 unequal: No Solution Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,83 unequal: No Solution Exploring Operation: 87/1=87, Resulting Numbers: [87] 87,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 83:[48, 135], Operations: ['24*2=48', '87+48=135'] Exploring Operation: 48*135=6480, Resulting Numbers: [6480] 6480,83 unequal: No Solution Exploring Operation: 48+135=183, Resulting Numbers: [183] 183,83 unequal: No Solution Exploring Operation: 135-48=87, Resulting Numbers: [87] 87,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 83:[87, 24, 96], Operations: ['48*2=96'] Exploring Operation: 96/24=4, Resulting Numbers: [87, 4] Generated Node #0,2,0: 83:[87, 4] Operation: 96/24=4 Exploring Operation: 24+96=120, Resulting Numbers: [87, 120] Generated Node #0,2,1: 83:[87, 120] Operation: 24+96=120 Exploring Operation: 96-24=72, Resulting Numbers: [87, 72] Generated Node #0,2,2: 83:[87, 72] Operation: 96-24=72 Exploring Operation: 87+24=111, Resulting Numbers: [96, 111] Generated Node #0,2,3: 83:[96, 111] Operation: 87+24=111 Exploring Operation: 87-24=63, Resulting Numbers: [96, 63] Generated Node #0,2,4: 83:[96, 63] Operation: 87-24=63 Moving to Node #0,0 Current State: 83:[87, 2, 72], Operations: ['48+24=72'] Exploring Operation: 2+72=74, Resulting Numbers: [87, 74] Generated Node #0,0,0: 83:[87, 74] Operation: 2+72=74 Exploring Operation: 87+2=89, Resulting Numbers: [72, 89] Generated Node #0,0,1: 83:[72, 89] Operation: 87+2=89 Exploring Operation: 72/2=36, Resulting Numbers: [87, 36] Generated Node #0,0,2: 83:[87, 36] Operation: 72/2=36 Exploring Operation: 87-2=85, Resulting Numbers: [72, 85] Generated Node #0,0,3: 83:[72, 85] Operation: 87-2=85 Exploring Operation: 72-2=70, Resulting Numbers: [87, 70] Generated Node #0,0,4: 83:[87, 70] Operation: 72-2=70 Moving to Node #0,3 Current State: 83:[48, 24, 85], Operations: ['87-2=85'] Exploring Operation: 48/24=2, Resulting Numbers: [85, 2] Generated Node #0,3,0: 83:[85, 2] Operation: 48/24=2 Exploring Operation: 85-24=61, Resulting Numbers: [48, 61] Generated Node #0,3,1: 83:[48, 61] Operation: 85-24=61 Exploring Operation: 48-24=24, Resulting Numbers: [85, 24] Generated Node #0,3,2: 83:[85, 24] Operation: 48-24=24 Exploring Operation: 48+24=72, Resulting Numbers: [85, 72] Generated Node #0,3,3: 83:[85, 72] Operation: 48+24=72 Exploring Operation: 24+85=109, Resulting Numbers: [48, 109] Generated Node #0,3,4: 83:[48, 109] Operation: 24+85=109 Moving to Node #0,4 Current State: 83:[87, 24, 50], Operations: ['48+2=50'] Exploring Operation: 50-24=26, Resulting Numbers: [87, 26] Generated Node #0,4,0: 83:[87, 26] Operation: 50-24=26 Exploring Operation: 87+24=111, Resulting Numbers: [50, 111] Generated Node #0,4,1: 83:[50, 111] Operation: 87+24=111 Exploring Operation: 87-24=63, Resulting Numbers: [50, 63] Generated Node #0,4,2: 83:[50, 63] Operation: 87-24=63 Exploring Operation: 24+50=74, Resulting Numbers: [87, 74] Generated Node #0,4,3: 83:[87, 74] Operation: 24+50=74 Exploring Operation: 87-50=37, Resulting Numbers: [24, 37] Generated Node #0,4,4: 83:[24, 37] Operation: 87-50=37 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 83:[87, 74], Operations: ['48+2=50', '24+50=74'] Exploring Operation: 87+74=161, Resulting Numbers: [161] 161,83 unequal: No Solution Exploring Operation: 87*74=6438, Resulting Numbers: [6438] 6438,83 unequal: No Solution Exploring Operation: 87-74=13, Resulting Numbers: [13] 13,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 83:[50, 63], Operations: ['48+2=50', '87-24=63'] Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 50+63=113, Resulting Numbers: [113] 113,83 unequal: No Solution Exploring Operation: 50*63=3150, Resulting Numbers: [3150] 3150,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 83:[87, 26], Operations: ['48+2=50', '50-24=26'] Exploring Operation: 87-26=61, Resulting Numbers: [61] 61,83 unequal: No Solution Exploring Operation: 87+26=113, Resulting Numbers: [113] 113,83 unequal: No Solution Exploring Operation: 87*26=2262, Resulting Numbers: [2262] 2262,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 83:[50, 111], Operations: ['48+2=50', '87+24=111'] Exploring Operation: 50+111=161, Resulting Numbers: [161] 161,83 unequal: No Solution Exploring Operation: 111-50=61, Resulting Numbers: [61] 61,83 unequal: No Solution Exploring Operation: 50*111=5550, Resulting Numbers: [5550] 5550,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 83:[24, 37], Operations: ['48+2=50', '87-50=37'] Exploring Operation: 24+37=61, Resulting Numbers: [61] 61,83 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 24*37=888, Resulting Numbers: [888] 888,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 83:[87, 74], Operations: ['48+24=72', '2+72=74'] Exploring Operation: 87+74=161, Resulting Numbers: [161] 161,83 unequal: No Solution Exploring Operation: 87*74=6438, Resulting Numbers: [6438] 6438,83 unequal: No Solution Exploring Operation: 87-74=13, Resulting Numbers: [13] 13,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[72, 85], Operations: ['48+24=72', '87-2=85'] Exploring Operation: 72+85=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 72*85=6120, Resulting Numbers: [6120] 6120,83 unequal: No Solution Exploring Operation: 85-72=13, Resulting Numbers: [13] 13,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[85, 72], Operations: ['87-2=85', '48+24=72'] Exploring Operation: 85*72=6120, Resulting Numbers: [6120] 6120,83 unequal: No Solution Exploring Operation: 85+72=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 85-72=13, Resulting Numbers: [13] 13,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[87, 72], Operations: ['48*2=96', '96-24=72'] Exploring Operation: 87+72=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 87*72=6264, Resulting Numbers: [6264] 6264,83 unequal: No Solution Exploring Operation: 87-72=15, Resulting Numbers: [15] 15,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[72, 89], Operations: ['48+24=72', '87+2=89'] Exploring Operation: 72+89=161, Resulting Numbers: [161] 161,83 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,83 unequal: No Solution Exploring Operation: 72*89=6408, Resulting Numbers: [6408] 6408,83 unequal: No Solution Moving to Node #0,0,4 Current State: 83:[87, 70], Operations: ['48+24=72', '72-2=70'] Exploring Operation: 87+70=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 87*70=6090, Resulting Numbers: [6090] 6090,83 unequal: No Solution Exploring Operation: 87-70=17, Resulting Numbers: [17] 17,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[96, 63], Operations: ['48*2=96', '87-24=63'] Exploring Operation: 96+63=159, Resulting Numbers: [159] 159,83 unequal: No Solution Exploring Operation: 96*63=6048, Resulting Numbers: [6048] 6048,83 unequal: No Solution Exploring Operation: 96-63=33, Resulting Numbers: [33] 33,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[87, 120], Operations: ['48*2=96', '24+96=120'] Exploring Operation: 120-87=33, Resulting Numbers: [33] 33,83 unequal: No Solution Exploring Operation: 87+120=207, Resulting Numbers: [207] 207,83 unequal: No Solution Exploring Operation: 87*120=10440, Resulting Numbers: [10440] 10440,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[96, 111], Operations: ['48*2=96', '87+24=111'] Exploring Operation: 111-96=15, Resulting Numbers: [15] 15,83 unequal: No Solution Exploring Operation: 96*111=10656, Resulting Numbers: [10656] 10656,83 unequal: No Solution Exploring Operation: 96+111=207, Resulting Numbers: [207] 207,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[87, 36], Operations: ['48+24=72', '72/2=36'] Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,83 unequal: No Solution Exploring Operation: 87*36=3132, Resulting Numbers: [3132] 3132,83 unequal: No Solution Exploring Operation: 87+36=123, Resulting Numbers: [123] 123,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[48, 61], Operations: ['87-2=85', '85-24=61'] Exploring Operation: 61-48=13, Resulting Numbers: [13] 13,83 unequal: No Solution Exploring Operation: 48+61=109, Resulting Numbers: [109] 109,83 unequal: No Solution Exploring Operation: 48*61=2928, Resulting Numbers: [2928] 2928,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[85, 24], Operations: ['87-2=85', '48-24=24'] Exploring Operation: 85+24=109, Resulting Numbers: [109] 109,83 unequal: No Solution Exploring Operation: 85-24=61, Resulting Numbers: [61] 61,83 unequal: No Solution Exploring Operation: 85*24=2040, Resulting Numbers: [2040] 2040,83 unequal: No Solution Moving to Node #0,3,4 Current State: 83:[48, 109], Operations: ['87-2=85', '24+85=109'] Exploring Operation: 48+109=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 48*109=5232, Resulting Numbers: [5232] 5232,83 unequal: No Solution Exploring Operation: 109-48=61, Resulting Numbers: [61] 61,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[85, 2], Operations: ['87-2=85', '48/24=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[87, 48, 24, 2], Operations: [] Exploring Operation: 87-2=85, Resulting Numbers: [48, 24, 85] Generated Node #0,3: 83:[48, 24, 85] Operation: 87-2=85 Moving to Node #0,3 Current State: 83:[48, 24, 85], Operations: ['87-2=85'] Exploring Operation: 48/24=2, Resulting Numbers: [85, 2] Generated Node #0,3,0: 83:[85, 2] Operation: 48/24=2 Moving to Node #0,3,0 Current State: 83:[85, 2], Operations: ['87-2=85', '48/24=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
0.908854
hs_5
sum_heuristic
[ 53, 27, 16, 34 ]
76
[ "53-27=26", "16+34=50", "26+50=76" ]
Current State: 76:[53, 27, 16, 34], Operations: [] Exploring Operation: 53-27=26, Resulting Numbers: [16, 34, 26] Generated Node #2: [16, 34, 26] from Operation: 53-27=26 Current State: 76:[16, 34, 26], Operations: ['53-27=26'] Exploring Operation: 16+34=50, Resulting Numbers: [26, 50] Generated Node #3: [26, 50] from Operation: 16+34=50 Current State: 76:[26, 50], Operations: ['53-27=26', '16+34=50'] Exploring Operation: 26+50=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[53, 27, 16, 34], Operations: [] Exploring Operation: 53-16=37, Resulting Numbers: [27, 34, 37] Generated Node #0,0: 76:[27, 34, 37] Operation: 53-16=37 Exploring Operation: 53-34=19, Resulting Numbers: [27, 16, 19] Generated Node #0,1: 76:[27, 16, 19] Operation: 53-34=19 Exploring Operation: 53+27=80, Resulting Numbers: [16, 34, 80] Generated Node #0,2: 76:[16, 34, 80] Operation: 53+27=80 Exploring Operation: 53-27=26, Resulting Numbers: [16, 34, 26] Generated Node #0,3: 76:[16, 34, 26] Operation: 53-27=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[27, 16, 19], Operations: ['53-34=19'] Exploring Operation: 27-19=8, Resulting Numbers: [16, 8] Generated Node #0,1,0: 76:[16, 8] Operation: 27-19=8 Exploring Operation: 19-16=3, Resulting Numbers: [27, 3] Generated Node #0,1,1: 76:[27, 3] Operation: 19-16=3 Exploring Operation: 27-16=11, Resulting Numbers: [19, 11] Generated Node #0,1,2: 76:[19, 11] Operation: 27-16=11 Exploring Operation: 27+16=43, Resulting Numbers: [19, 43] Generated Node #0,1,3: 76:[19, 43] Operation: 27+16=43 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 76:[19, 43], Operations: ['53-34=19', '27+16=43'] Exploring Operation: 19+43=62, Resulting Numbers: [62] 62,76 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 19*43=817, Resulting Numbers: [817] 817,76 unequal: No Solution No 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: 76:[16, 8], Operations: ['53-34=19', '27-19=8'] Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,76 unequal: No Solution No 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: 76:[19, 11], Operations: ['53-34=19', '27-16=11'] Exploring Operation: 19*11=209, Resulting Numbers: [209] 209,76 unequal: No Solution Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,76 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,76 unequal: No Solution No 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: 76:[27, 3], Operations: ['53-34=19', '19-16=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,76 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,76 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: 76:[16, 34, 80], Operations: ['53+27=80'] Exploring Operation: 80-34=46, Resulting Numbers: [16, 46] Generated Node #0,2,0: 76:[16, 46] Operation: 80-34=46 Exploring Operation: 16+34=50, Resulting Numbers: [80, 50] Generated Node #0,2,1: 76:[80, 50] Operation: 16+34=50 Exploring Operation: 80/16=5, Resulting Numbers: [34, 5] Generated Node #0,2,2: 76:[34, 5] Operation: 80/16=5 Exploring Operation: 34-16=18, Resulting Numbers: [80, 18] Generated Node #0,2,3: 76:[80, 18] Operation: 34-16=18 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 76:[34, 5], Operations: ['53+27=80', '80/16=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,76 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,76 unequal: No Solution Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,76 unequal: No Solution No 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: 76:[80, 18], Operations: ['53+27=80', '34-16=18'] Exploring Operation: 80*18=1440, Resulting Numbers: [1440] 1440,76 unequal: No Solution Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,76 unequal: No Solution Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,76 unequal: No Solution No 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: 76:[16, 46], Operations: ['53+27=80', '80-34=46'] Exploring Operation: 16+46=62, Resulting Numbers: [62] 62,76 unequal: No Solution Exploring Operation: 16*46=736, Resulting Numbers: [736] 736,76 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,76 unequal: No Solution No 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: 76:[80, 50], Operations: ['53+27=80', '16+34=50'] Exploring Operation: 80*50=4000, Resulting Numbers: [4000] 4000,76 unequal: No Solution Exploring Operation: 80+50=130, Resulting Numbers: [130] 130,76 unequal: No Solution Exploring Operation: 80-50=30, Resulting Numbers: [30] 30,76 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: 76:[27, 34, 37], Operations: ['53-16=37'] Exploring Operation: 34-27=7, Resulting Numbers: [37, 7] Generated Node #0,0,0: 76:[37, 7] Operation: 34-27=7 Exploring Operation: 34+37=71, Resulting Numbers: [27, 71] Generated Node #0,0,1: 76:[27, 71] Operation: 34+37=71 Exploring Operation: 37-34=3, Resulting Numbers: [27, 3] Generated Node #0,0,2: 76:[27, 3] Operation: 37-34=3 Exploring Operation: 37-27=10, Resulting Numbers: [34, 10] Generated Node #0,0,3: 76:[34, 10] Operation: 37-27=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[37, 7], Operations: ['53-16=37', '34-27=7'] Exploring Operation: 37*7=259, Resulting Numbers: [259] 259,76 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,76 unequal: No Solution Exploring Operation: 37+7=44, Resulting Numbers: [44] 44,76 unequal: No Solution No 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: 76:[27, 3], Operations: ['53-16=37', '37-34=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,76 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,76 unequal: No Solution No 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: 76:[34, 10], Operations: ['53-16=37', '37-27=10'] Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 34*10=340, Resulting Numbers: [340] 340,76 unequal: No Solution Exploring Operation: 34+10=44, Resulting Numbers: [44] 44,76 unequal: No Solution No 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: 76:[27, 71], Operations: ['53-16=37', '34+37=71'] Exploring Operation: 27+71=98, Resulting Numbers: [98] 98,76 unequal: No Solution Exploring Operation: 71-27=44, Resulting Numbers: [44] 44,76 unequal: No Solution Exploring Operation: 27*71=1917, Resulting Numbers: [1917] 1917,76 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: 76:[16, 34, 26], Operations: ['53-27=26'] Exploring Operation: 34-26=8, Resulting Numbers: [16, 8] Generated Node #0,3,0: 76:[16, 8] Operation: 34-26=8 Exploring Operation: 16+26=42, Resulting Numbers: [34, 42] Generated Node #0,3,1: 76:[34, 42] Operation: 16+26=42 Exploring Operation: 26-16=10, Resulting Numbers: [34, 10] Generated Node #0,3,2: 76:[34, 10] Operation: 26-16=10 Exploring Operation: 34-16=18, Resulting Numbers: [26, 18] Generated Node #0,3,3: 76:[26, 18] Operation: 34-16=18 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 76:[16, 8], Operations: ['53-27=26', '34-26=8'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,76 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,76 unequal: No Solution No 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: 76:[34, 42], Operations: ['53-27=26', '16+26=42'] Exploring Operation: 34+42=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[53, 27, 16, 34], Operations: [] Exploring Operation: 53-27=26, Resulting Numbers: [16, 34, 26] Generated Node #0,3: 76:[16, 34, 26] Operation: 53-27=26 Moving to Node #0,3 Current State: 76:[16, 34, 26], Operations: ['53-27=26'] Exploring Operation: 16+26=42, Resulting Numbers: [34, 42] Generated Node #0,3,1: 76:[34, 42] Operation: 16+26=42 Moving to Node #0,3,1 Current State: 76:[34, 42], Operations: ['53-27=26', '16+26=42'] Exploring Operation: 34+42=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.940972
hs_4
mult_heuristic
[ 51, 2, 22, 48 ]
17
[ "51+2=53", "22+48=70", "70-53=17" ]
Current State: 17:[51, 2, 22, 48], Operations: [] Exploring Operation: 51+2=53, Resulting Numbers: [22, 48, 53] Generated Node #2: [22, 48, 53] from Operation: 51+2=53 Current State: 17:[22, 48, 53], Operations: ['51+2=53'] Exploring Operation: 22+48=70, Resulting Numbers: [53, 70] Generated Node #3: [53, 70] from Operation: 22+48=70 Current State: 17:[53, 70], Operations: ['51+2=53', '22+48=70'] Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[51, 2, 22, 48], Operations: [] Exploring Operation: 48/2=24, Resulting Numbers: [51, 22, 24] Generated Node #0,0: 17:[51, 22, 24] Operation: 48/2=24 Exploring Operation: 51-48=3, Resulting Numbers: [2, 22, 3] Generated Node #0,1: 17:[2, 22, 3] Operation: 51-48=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[2, 22, 3], Operations: ['51-48=3'] Exploring Operation: 22-2=20, Resulting Numbers: [3, 20] Generated Node #0,1,0: 17:[3, 20] Operation: 22-2=20 Exploring Operation: 2*3=6, Resulting Numbers: [22, 6] Generated Node #0,1,1: 17:[22, 6] Operation: 2*3=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 17:[22, 6], Operations: ['51-48=3', '2*3=6'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 17:[3, 20], Operations: ['51-48=3', '22-2=20'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[51, 2, 22, 48], Operations: [] Exploring Operation: 51-48=3, Resulting Numbers: [2, 22, 3] Generated Node #0,1: 17:[2, 22, 3] Operation: 51-48=3 Moving to Node #0,1 Current State: 17:[2, 22, 3], Operations: ['51-48=3'] Exploring Operation: 22-2=20, Resulting Numbers: [3, 20] Generated Node #0,1,0: 17:[3, 20] Operation: 22-2=20 Moving to Node #0,1,0 Current State: 17:[3, 20], Operations: ['51-48=3', '22-2=20'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 89, 5, 40, 46 ]
14
[ "89-5=84", "46-40=6", "84/6=14" ]
Current State: 14:[89, 5, 40, 46], Operations: [] Exploring Operation: 89-5=84, Resulting Numbers: [40, 46, 84] Generated Node #2: [40, 46, 84] from Operation: 89-5=84 Current State: 14:[40, 46, 84], Operations: ['89-5=84'] Exploring Operation: 46-40=6, Resulting Numbers: [84, 6] Generated Node #3: [84, 6] from Operation: 46-40=6 Current State: 14:[84, 6], Operations: ['89-5=84', '46-40=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[89, 5, 40, 46], Operations: [] Exploring Operation: 89-46=43, Resulting Numbers: [5, 40, 43] Generated Node #0,0: 14:[5, 40, 43] Operation: 89-46=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[5, 40, 43], Operations: ['89-46=43'] Exploring Operation: 43-40=3, Resulting Numbers: [5, 3] Generated Node #0,0,0: 14:[5, 3] Operation: 43-40=3 Moving to Node #0,0,0 Current State: 14:[5, 3], Operations: ['89-46=43', '43-40=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 46, 54, 23, 40 ]
92
[ "46/23=2", "54+40=94", "94-2=92" ]
Current State: 92:[46, 54, 23, 40], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [54, 40, 2] Generated Node #2: [54, 40, 2] from Operation: 46/23=2 Current State: 92:[54, 40, 2], Operations: ['46/23=2'] Exploring Operation: 54+40=94, Resulting Numbers: [2, 94] Generated Node #3: [2, 94] from Operation: 54+40=94 Current State: 92:[2, 94], Operations: ['46/23=2', '54+40=94'] Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[46, 54, 23, 40], Operations: [] Exploring Operation: 54-46=8, Resulting Numbers: [23, 40, 8] Generated Node #0,0: 92:[23, 40, 8] Operation: 54-46=8 Exploring Operation: 46-40=6, Resulting Numbers: [54, 23, 6] Generated Node #0,1: 92:[54, 23, 6] Operation: 46-40=6 Exploring Operation: 54+40=94, Resulting Numbers: [46, 23, 94] Generated Node #0,2: 92:[46, 23, 94] Operation: 54+40=94 Exploring Operation: 54-40=14, Resulting Numbers: [46, 23, 14] Generated Node #0,3: 92:[46, 23, 14] Operation: 54-40=14 Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[46, 23, 94], Operations: ['54+40=94'] Exploring Operation: 46/23=2, Resulting Numbers: [94, 2] Generated Node #0,2,0: 92:[94, 2] Operation: 46/23=2 Exploring Operation: 94-23=71, Resulting Numbers: [46, 71] Generated Node #0,2,1: 92:[46, 71] Operation: 94-23=71 Exploring Operation: 94-46=48, Resulting Numbers: [23, 48] Generated Node #0,2,2: 92:[23, 48] Operation: 94-46=48 Exploring Operation: 46-23=23, Resulting Numbers: [94, 23] Generated Node #0,2,3: 92:[94, 23] Operation: 46-23=23 Moving to Node #0,2,0 Current State: 92:[94, 2], Operations: ['54+40=94', '46/23=2'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,92 unequal: No Solution Exploring Operation: 94*2=188, Resulting Numbers: [188] 188,92 unequal: No Solution Exploring Operation: 94+2=96, Resulting Numbers: [96] 96,92 unequal: No Solution Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[46, 54, 23, 40], Operations: [] Exploring Operation: 54+40=94, Resulting Numbers: [46, 23, 94] Generated Node #0,2: 92:[46, 23, 94] Operation: 54+40=94 Moving to Node #0,2 Current State: 92:[46, 23, 94], Operations: ['54+40=94'] Exploring Operation: 46/23=2, Resulting Numbers: [94, 2] Generated Node #0,2,0: 92:[94, 2] Operation: 46/23=2 Moving to Node #0,2,0 Current State: 92:[94, 2], Operations: ['54+40=94', '46/23=2'] Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 72, 4, 3, 60 ]
10
[ "72/4=18", "3*60=180", "180/18=10" ]
Current State: 10:[72, 4, 3, 60], Operations: [] Exploring Operation: 72/4=18, Resulting Numbers: [3, 60, 18] Generated Node #2: [3, 60, 18] from Operation: 72/4=18 Current State: 10:[3, 60, 18], Operations: ['72/4=18'] Exploring Operation: 3*60=180, Resulting Numbers: [18, 180] Generated Node #3: [18, 180] from Operation: 3*60=180 Current State: 10:[18, 180], Operations: ['72/4=18', '3*60=180'] Exploring Operation: 180/18=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[72, 4, 3, 60], Operations: [] Exploring Operation: 60/4=15, Resulting Numbers: [72, 3, 15] Generated Node #0,0: 10:[72, 3, 15] Operation: 60/4=15 Exploring Operation: 72-60=12, Resulting Numbers: [4, 3, 12] Generated Node #0,1: 10:[4, 3, 12] Operation: 72-60=12 Exploring Operation: 72/4=18, Resulting Numbers: [3, 60, 18] Generated Node #0,2: 10:[3, 60, 18] Operation: 72/4=18 Exploring Operation: 72/3=24, Resulting Numbers: [4, 60, 24] Generated Node #0,3: 10:[4, 60, 24] Operation: 72/3=24 Moving to Node #0,1 Current State: 10:[4, 3, 12], Operations: ['72-60=12'] Exploring Operation: 12-3=9, Resulting Numbers: [4, 9] Generated Node #0,1,0: 10:[4, 9] Operation: 12-3=9 Exploring Operation: 4-3=1, Resulting Numbers: [12, 1] Generated Node #0,1,1: 10:[12, 1] Operation: 4-3=1 Exploring Operation: 12/4=3, Resulting Numbers: [3, 3] Generated Node #0,1,2: 10:[3, 3] Operation: 12/4=3 Exploring Operation: 12/3=4, Resulting Numbers: [4, 4] Generated Node #0,1,3: 10:[4, 4] Operation: 12/3=4 Moving to Node #0,2 Current State: 10:[3, 60, 18], Operations: ['72/4=18'] Exploring Operation: 60-18=42, Resulting Numbers: [3, 42] Generated Node #0,2,0: 10:[3, 42] Operation: 60-18=42 Exploring Operation: 18/3=6, Resulting Numbers: [60, 6] Generated Node #0,2,1: 10:[60, 6] Operation: 18/3=6 Exploring Operation: 60/3=20, Resulting Numbers: [18, 20] Generated Node #0,2,2: 10:[18, 20] Operation: 60/3=20 Exploring Operation: 60-3=57, Resulting Numbers: [18, 57] Generated Node #0,2,3: 10:[18, 57] Operation: 60-3=57 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 10:[18, 20], Operations: ['72/4=18', '60/3=20'] Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,10 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 18*20=360, Resulting Numbers: [360] 360,10 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 #0,2,0 Current State: 10:[3, 42], Operations: ['72/4=18', '60-18=42'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,10 unequal: No Solution Exploring Operation: 3*42=126, Resulting Numbers: [126] 126,10 unequal: No Solution Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,10 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 #0,2,1 Current State: 10:[60, 6], Operations: ['72/4=18', '18/3=6'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[72, 4, 3, 60], Operations: [] Exploring Operation: 72/4=18, Resulting Numbers: [3, 60, 18] Generated Node #0,2: 10:[3, 60, 18] Operation: 72/4=18 Moving to Node #0,2 Current State: 10:[3, 60, 18], Operations: ['72/4=18'] Exploring Operation: 18/3=6, Resulting Numbers: [60, 6] Generated Node #0,2,1: 10:[60, 6] Operation: 18/3=6 Moving to Node #0,2,1 Current State: 10:[60, 6], Operations: ['72/4=18', '18/3=6'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 8, 12, 17, 51 ]
38
[ "12-8=4", "51-17=34", "4+34=38" ]
Current State: 38:[8, 12, 17, 51], Operations: [] Exploring Operation: 12-8=4, Resulting Numbers: [17, 51, 4] Generated Node #2: [17, 51, 4] from Operation: 12-8=4 Current State: 38:[17, 51, 4], Operations: ['12-8=4'] Exploring Operation: 51-17=34, Resulting Numbers: [4, 34] Generated Node #3: [4, 34] from Operation: 51-17=34 Current State: 38:[4, 34], Operations: ['12-8=4', '51-17=34'] Exploring Operation: 4+34=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[8, 12, 17, 51], Operations: [] Exploring Operation: 51/17=3, Resulting Numbers: [8, 12, 3] Generated Node #0,0: 38:[8, 12, 3] Operation: 51/17=3 Exploring Operation: 51-12=39, Resulting Numbers: [8, 17, 39] Generated Node #0,1: 38:[8, 17, 39] Operation: 51-12=39 Exploring Operation: 51-8=43, Resulting Numbers: [12, 17, 43] Generated Node #0,2: 38:[12, 17, 43] Operation: 51-8=43 Exploring Operation: 8+12=20, Resulting Numbers: [17, 51, 20] Generated Node #0,3: 38:[17, 51, 20] Operation: 8+12=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[8, 17, 39], Operations: ['51-12=39'] Exploring Operation: 17-8=9, Resulting Numbers: [39, 9] Generated Node #0,1,0: 38:[39, 9] Operation: 17-8=9 Exploring Operation: 39-17=22, Resulting Numbers: [8, 22] Generated Node #0,1,1: 38:[8, 22] Operation: 39-17=22 Exploring Operation: 8+17=25, Resulting Numbers: [39, 25] Generated Node #0,1,2: 38:[39, 25] Operation: 8+17=25 Exploring Operation: 39-8=31, Resulting Numbers: [17, 31] Generated Node #0,1,3: 38:[17, 31] Operation: 39-8=31 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 38:[39, 25], Operations: ['51-12=39', '8+17=25'] Exploring Operation: 39*25=975, Resulting Numbers: [975] 975,38 unequal: No Solution Exploring Operation: 39+25=64, Resulting Numbers: [64] 64,38 unequal: No Solution Exploring Operation: 39-25=14, Resulting Numbers: [14] 14,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 38:[39, 9], Operations: ['51-12=39', '17-8=9'] Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,38 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,38 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 38:[8, 22], Operations: ['51-12=39', '39-17=22'] Exploring Operation: 8*22=176, Resulting Numbers: [176] 176,38 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 8+22=30, Resulting Numbers: [30] 30,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 38:[17, 31], Operations: ['51-12=39', '39-8=31'] Exploring Operation: 17*31=527, Resulting Numbers: [527] 527,38 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[8, 12, 3], Operations: ['51/17=3'] Exploring Operation: 12/3=4, Resulting Numbers: [8, 4] Generated Node #0,0,0: 38:[8, 4] Operation: 12/3=4 Exploring Operation: 8+12=20, Resulting Numbers: [3, 20] Generated Node #0,0,1: 38:[3, 20] Operation: 8+12=20 Exploring Operation: 12-8=4, Resulting Numbers: [3, 4] Generated Node #0,0,2: 38:[3, 4] Operation: 12-8=4 Exploring Operation: 12*3=36, Resulting Numbers: [8, 36] Generated Node #0,0,3: 38:[8, 36] Operation: 12*3=36 Moving to Node #0,0,1 Current State: 38:[3, 20], Operations: ['51/17=3', '8+12=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,38 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[3, 4], Operations: ['51/17=3', '12-8=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,38 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,38 unequal: No Solution Moving to Node #0,0,3 Current State: 38:[8, 36], Operations: ['51/17=3', '12*3=36'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,38 unequal: No Solution Exploring Operation: 8*36=288, Resulting Numbers: [288] 288,38 unequal: No Solution Exploring Operation: 8+36=44, Resulting Numbers: [44] 44,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[8, 4], Operations: ['51/17=3', '12/3=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,38 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[12, 17, 43], Operations: ['51-8=43'] Exploring Operation: 43-17=26, Resulting Numbers: [12, 26] Generated Node #0,2,0: 38:[12, 26] Operation: 43-17=26 Exploring Operation: 12+17=29, Resulting Numbers: [43, 29] Generated Node #0,2,1: 38:[43, 29] Operation: 12+17=29 Exploring Operation: 43-12=31, Resulting Numbers: [17, 31] Generated Node #0,2,2: 38:[17, 31] Operation: 43-12=31 Exploring Operation: 17-12=5, Resulting Numbers: [43, 5] Generated Node #0,2,3: 38:[43, 5] Operation: 17-12=5 Moving to Node #0,2,3 Current State: 38:[43, 5], Operations: ['51-8=43', '17-12=5'] Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[8, 12, 17, 51], Operations: [] Exploring Operation: 51-8=43, Resulting Numbers: [12, 17, 43] Generated Node #0,2: 38:[12, 17, 43] Operation: 51-8=43 Moving to Node #0,2 Current State: 38:[12, 17, 43], Operations: ['51-8=43'] Exploring Operation: 17-12=5, Resulting Numbers: [43, 5] Generated Node #0,2,3: 38:[43, 5] Operation: 17-12=5 Moving to Node #0,2,3 Current State: 38:[43, 5], Operations: ['51-8=43', '17-12=5'] Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_4
sum_heuristic
[ 50, 59, 3, 43 ]
49
[ "59-50=9", "43-3=40", "9+40=49" ]
Current State: 49:[50, 59, 3, 43], Operations: [] Exploring Operation: 59-50=9, Resulting Numbers: [3, 43, 9] Generated Node #2: [3, 43, 9] from Operation: 59-50=9 Current State: 49:[3, 43, 9], Operations: ['59-50=9'] Exploring Operation: 43-3=40, Resulting Numbers: [9, 40] Generated Node #3: [9, 40] from Operation: 43-3=40 Current State: 49:[9, 40], Operations: ['59-50=9', '43-3=40'] Exploring Operation: 9+40=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[50, 59, 3, 43], Operations: [] Exploring Operation: 59-50=9, Resulting Numbers: [3, 43, 9] Generated Node #0,0: 49:[3, 43, 9] Operation: 59-50=9 Moving to Node #0,0 Current State: 49:[3, 43, 9], Operations: ['59-50=9'] Exploring Operation: 3+43=46, Resulting Numbers: [9, 46] Generated Node #0,0,0: 49:[9, 46] Operation: 3+43=46 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[9, 46], Operations: ['59-50=9', '3+43=46'] Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,49 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
[ 68, 8, 77, 3 ]
20
[ "68-8=60", "77+3=80", "80-60=20" ]
Current State: 20:[68, 8, 77, 3], Operations: [] Exploring Operation: 68-8=60, Resulting Numbers: [77, 3, 60] Generated Node #2: [77, 3, 60] from Operation: 68-8=60 Current State: 20:[77, 3, 60], Operations: ['68-8=60'] Exploring Operation: 77+3=80, Resulting Numbers: [60, 80] Generated Node #3: [60, 80] from Operation: 77+3=80 Current State: 20:[60, 80], Operations: ['68-8=60', '77+3=80'] Exploring Operation: 80-60=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[68, 8, 77, 3], Operations: [] Exploring Operation: 77-68=9, Resulting Numbers: [8, 3, 9] Generated Node #0,0: 20:[8, 3, 9] Operation: 77-68=9 Exploring Operation: 68-3=65, Resulting Numbers: [8, 77, 65] Generated Node #0,1: 20:[8, 77, 65] Operation: 68-3=65 Exploring Operation: 77-8=69, Resulting Numbers: [68, 3, 69] Generated Node #0,2: 20:[68, 3, 69] Operation: 77-8=69 Exploring Operation: 68-8=60, Resulting Numbers: [77, 3, 60] Generated Node #0,3: 20:[77, 3, 60] Operation: 68-8=60 Moving to Node #0,0 Current State: 20:[8, 3, 9], Operations: ['77-68=9'] Exploring Operation: 8+3=11, Resulting Numbers: [9, 11] Generated Node #0,0,0: 20:[9, 11] Operation: 8+3=11 Exploring Operation: 9-8=1, Resulting Numbers: [3, 1] Generated Node #0,0,1: 20:[3, 1] Operation: 9-8=1 Exploring Operation: 8-3=5, Resulting Numbers: [9, 5] Generated Node #0,0,2: 20:[9, 5] Operation: 8-3=5 Exploring Operation: 9-3=6, Resulting Numbers: [8, 6] Generated Node #0,0,3: 20:[8, 6] Operation: 9-3=6 Moving to Node #0,3 Current State: 20:[77, 3, 60], Operations: ['68-8=60'] Exploring Operation: 77-60=17, Resulting Numbers: [3, 17] Generated Node #0,3,0: 20:[3, 17] Operation: 77-60=17 Exploring Operation: 60/3=20, Resulting Numbers: [77, 20] Generated Node #0,3,1: 20:[77, 20] Operation: 60/3=20 Exploring Operation: 77-3=74, Resulting Numbers: [60, 74] Generated Node #0,3,2: 20:[60, 74] Operation: 77-3=74 Exploring Operation: 60-3=57, Resulting Numbers: [77, 57] Generated Node #0,3,3: 20:[77, 57] Operation: 60-3=57 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 20:[3, 17], Operations: ['68-8=60', '77-60=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[68, 8, 77, 3], Operations: [] Exploring Operation: 68-8=60, Resulting Numbers: [77, 3, 60] Generated Node #0,3: 20:[77, 3, 60] Operation: 68-8=60 Moving to Node #0,3 Current State: 20:[77, 3, 60], Operations: ['68-8=60'] Exploring Operation: 77-60=17, Resulting Numbers: [3, 17] Generated Node #0,3,0: 20:[3, 17] Operation: 77-60=17 Moving to Node #0,3,0 Current State: 20:[3, 17], Operations: ['68-8=60', '77-60=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 25, 37, 17, 29 ]
64
[ "25-17=8", "37-29=8", "8*8=64" ]
Current State: 64:[25, 37, 17, 29], Operations: [] Exploring Operation: 25-17=8, Resulting Numbers: [37, 29, 8] Generated Node #2: [37, 29, 8] from Operation: 25-17=8 Current State: 64:[37, 29, 8], Operations: ['25-17=8'] Exploring Operation: 37-29=8, Resulting Numbers: [8, 8] Generated Node #3: [8, 8] from Operation: 37-29=8 Current State: 64:[8, 8], Operations: ['25-17=8', '37-29=8'] Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[25, 37, 17, 29], Operations: [] Exploring Operation: 25+37=62, Resulting Numbers: [17, 29, 62] Generated Node #0,0: 64:[17, 29, 62] Operation: 25+37=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[17, 29, 62], Operations: ['25+37=62'] Exploring Operation: 62-29=33, Resulting Numbers: [17, 33] Generated Node #0,0,0: 64:[17, 33] Operation: 62-29=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[17, 33], Operations: ['25+37=62', '62-29=33'] Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,64 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 No solution found.
0
hs_1
sum_heuristic
[ 79, 59, 81, 9 ]
52
[ "79-59=20", "81-9=72", "72-20=52" ]
Current State: 52:[79, 59, 81, 9], Operations: [] Exploring Operation: 79-59=20, Resulting Numbers: [81, 9, 20] Generated Node #2: [81, 9, 20] from Operation: 79-59=20 Current State: 52:[81, 9, 20], Operations: ['79-59=20'] Exploring Operation: 81-9=72, Resulting Numbers: [20, 72] Generated Node #3: [20, 72] from Operation: 81-9=72 Current State: 52:[20, 72], Operations: ['79-59=20', '81-9=72'] Exploring Operation: 72-20=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[79, 59, 81, 9], Operations: [] Exploring Operation: 81-59=22, Resulting Numbers: [79, 9, 22] Generated Node #0,0: 52:[79, 9, 22] Operation: 81-59=22 Exploring Operation: 81-79=2, Resulting Numbers: [59, 9, 2] Generated Node #0,1: 52:[59, 9, 2] Operation: 81-79=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[59, 9, 2], Operations: ['81-79=2'] Exploring Operation: 59-9=50, Resulting Numbers: [2, 50] Generated Node #0,1,0: 52:[2, 50] Operation: 59-9=50 Exploring Operation: 59-2=57, Resulting Numbers: [9, 57] Generated Node #0,1,1: 52:[9, 57] Operation: 59-2=57 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[2, 50], Operations: ['81-79=2', '59-9=50'] Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[79, 59, 81, 9], Operations: [] Exploring Operation: 81-79=2, Resulting Numbers: [59, 9, 2] Generated Node #0,1: 52:[59, 9, 2] Operation: 81-79=2 Moving to Node #0,1 Current State: 52:[59, 9, 2], Operations: ['81-79=2'] Exploring Operation: 59-9=50, Resulting Numbers: [2, 50] Generated Node #0,1,0: 52:[2, 50] Operation: 59-9=50 Moving to Node #0,1,0 Current State: 52:[2, 50], Operations: ['81-79=2', '59-9=50'] Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 28, 74, 56, 83 ]
84
[ "28+83=111", "56*111=6216", "6216/74=84" ]
Current State: 84:[28, 74, 56, 83], Operations: [] Exploring Operation: 28+83=111, Resulting Numbers: [74, 56, 111] Generated Node #2: [74, 56, 111] from Operation: 28+83=111 Current State: 84:[74, 56, 111], Operations: ['28+83=111'] Exploring Operation: 56*111=6216, Resulting Numbers: [74, 6216] Generated Node #3: [74, 6216] from Operation: 56*111=6216 Current State: 84:[74, 6216], Operations: ['28+83=111', '56*111=6216'] Exploring Operation: 6216/74=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[28, 74, 56, 83], Operations: [] Exploring Operation: 74-56=18, Resulting Numbers: [28, 83, 18] Generated Node #0,0: 84:[28, 83, 18] Operation: 74-56=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[28, 83, 18], Operations: ['74-56=18'] Exploring Operation: 28-18=10, Resulting Numbers: [83, 10] Generated Node #0,0,0: 84:[83, 10] Operation: 28-18=10 Moving to Node #0,0,0 Current State: 84:[83, 10], Operations: ['74-56=18', '28-18=10'] Exploring Operation: 83+10=93, Resulting Numbers: [93] 93,84 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
[ 43, 79, 40, 62 ]
100
[ "43+79=122", "62-40=22", "122-22=100" ]
Current State: 100:[43, 79, 40, 62], Operations: [] Exploring Operation: 43+79=122, Resulting Numbers: [40, 62, 122] Generated Node #2: [40, 62, 122] from Operation: 43+79=122 Current State: 100:[40, 62, 122], Operations: ['43+79=122'] Exploring Operation: 62-40=22, Resulting Numbers: [122, 22] Generated Node #3: [122, 22] from Operation: 62-40=22 Current State: 100:[122, 22], Operations: ['43+79=122', '62-40=22'] Exploring Operation: 122-22=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[43, 79, 40, 62], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [43, 62, 39] Generated Node #0,0: 100:[43, 62, 39] Operation: 79-40=39 Exploring Operation: 79-62=17, Resulting Numbers: [43, 40, 17] Generated Node #0,1: 100:[43, 40, 17] Operation: 79-62=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[43, 40, 17], Operations: ['79-62=17'] Exploring Operation: 40-17=23, Resulting Numbers: [43, 23] Generated Node #0,1,0: 100:[43, 23] Operation: 40-17=23 Exploring Operation: 43-40=3, Resulting Numbers: [17, 3] Generated Node #0,1,1: 100:[17, 3] Operation: 43-40=3 Moving to Node #0,1,1 Current State: 100:[17, 3], Operations: ['79-62=17', '43-40=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[43, 23], Operations: ['79-62=17', '40-17=23'] Exploring Operation: 43+23=66, Resulting Numbers: [66] 66,100 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,100 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 #0,0 Current State: 100:[43, 62, 39], Operations: ['79-40=39'] Exploring Operation: 62-39=23, Resulting Numbers: [43, 23] Generated Node #0,0,0: 100:[43, 23] Operation: 62-39=23 Exploring Operation: 62+39=101, Resulting Numbers: [43, 101] Generated Node #0,0,1: 100:[43, 101] Operation: 62+39=101 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 100:[43, 101], Operations: ['79-40=39', '62+39=101'] Exploring Operation: 43+101=144, Resulting Numbers: [144] 144,100 unequal: No Solution Exploring Operation: 101-43=58, Resulting Numbers: [58] 58,100 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 #0,0,0 Current State: 100:[43, 23], Operations: ['79-40=39', '62-39=23'] Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,100 unequal: No Solution Exploring Operation: 43+23=66, Resulting Numbers: [66] 66,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 87, 76, 58, 8 ]
30
[ "87-76=11", "8*11=88", "88-58=30" ]
Current State: 30:[87, 76, 58, 8], Operations: [] Exploring Operation: 87-76=11, Resulting Numbers: [58, 8, 11] Generated Node #2: [58, 8, 11] from Operation: 87-76=11 Current State: 30:[58, 8, 11], Operations: ['87-76=11'] Exploring Operation: 8*11=88, Resulting Numbers: [58, 88] Generated Node #3: [58, 88] from Operation: 8*11=88 Current State: 30:[58, 88], Operations: ['87-76=11', '8*11=88'] Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[87, 76, 58, 8], Operations: [] Exploring Operation: 87-58=29, Resulting Numbers: [76, 8, 29] Generated Node #0,0: 30:[76, 8, 29] Operation: 87-58=29 Exploring Operation: 76-8=68, Resulting Numbers: [87, 58, 68] Generated Node #0,1: 30:[87, 58, 68] Operation: 76-8=68 Exploring Operation: 87-8=79, Resulting Numbers: [76, 58, 79] Generated Node #0,2: 30:[76, 58, 79] Operation: 87-8=79 Exploring Operation: 76-58=18, Resulting Numbers: [87, 8, 18] Generated Node #0,3: 30:[87, 8, 18] Operation: 76-58=18 Exploring Operation: 87-76=11, Resulting Numbers: [58, 8, 11] Generated Node #0,4: 30:[58, 8, 11] Operation: 87-76=11 Start Sub Search at level 1: Moving to Node #0,4 Current State: 30:[58, 8, 11], Operations: ['87-76=11'] Exploring Operation: 58-8=50, Resulting Numbers: [11, 50] Generated Node #0,4,0: 30:[11, 50] Operation: 58-8=50 Exploring Operation: 58+8=66, Resulting Numbers: [11, 66] Generated Node #0,4,1: 30:[11, 66] Operation: 58+8=66 Exploring Operation: 8+11=19, Resulting Numbers: [58, 19] Generated Node #0,4,2: 30:[58, 19] Operation: 8+11=19 Exploring Operation: 11-8=3, Resulting Numbers: [58, 3] Generated Node #0,4,3: 30:[58, 3] Operation: 11-8=3 Exploring Operation: 58-11=47, Resulting Numbers: [8, 47] Generated Node #0,4,4: 30:[8, 47] Operation: 58-11=47 Moving to Node #0,4,4 Current State: 30:[8, 47], Operations: ['87-76=11', '58-11=47'] Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 8*47=376, Resulting Numbers: [376] 376,30 unequal: No Solution Moving to Node #0,4,0 Current State: 30:[11, 50], Operations: ['87-76=11', '58-8=50'] Exploring Operation: 11+50=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 11*50=550, Resulting Numbers: [550] 550,30 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,30 unequal: No Solution Moving to Node #0,4,3 Current State: 30:[58, 3], Operations: ['87-76=11', '11-8=3'] Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,30 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,30 unequal: No Solution Moving to Node #0,4,2 Current State: 30:[58, 19], Operations: ['87-76=11', '8+11=19'] Exploring Operation: 58+19=77, Resulting Numbers: [77] 77,30 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 58*19=1102, Resulting Numbers: [1102] 1102,30 unequal: No Solution Moving to Node #0,4,1 Current State: 30:[11, 66], Operations: ['87-76=11', '58+8=66'] Exploring Operation: 11+66=77, Resulting Numbers: [77] 77,30 unequal: No Solution Exploring Operation: 11*66=726, Resulting Numbers: [726] 726,30 unequal: No Solution Exploring Operation: 66/11=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[76, 8, 29], Operations: ['87-58=29'] Exploring Operation: 8+29=37, Resulting Numbers: [76, 37] Generated Node #0,0,0: 30:[76, 37] Operation: 8+29=37 Exploring Operation: 29-8=21, Resulting Numbers: [76, 21] Generated Node #0,0,1: 30:[76, 21] Operation: 29-8=21 Exploring Operation: 76+8=84, Resulting Numbers: [29, 84] Generated Node #0,0,2: 30:[29, 84] Operation: 76+8=84 Exploring Operation: 76-29=47, Resulting Numbers: [8, 47] Generated Node #0,0,3: 30:[8, 47] Operation: 76-29=47 Exploring Operation: 76-8=68, Resulting Numbers: [29, 68] Generated Node #0,0,4: 30:[29, 68] Operation: 76-8=68 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 30:[8, 47], Operations: ['87-58=29', '76-29=47'] Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 8*47=376, Resulting Numbers: [376] 376,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 30:[29, 68], Operations: ['87-58=29', '76-8=68'] Exploring Operation: 29+68=97, Resulting Numbers: [97] 97,30 unequal: No Solution Exploring Operation: 29*68=1972, Resulting Numbers: [1972] 1972,30 unequal: No Solution Exploring Operation: 68-29=39, Resulting Numbers: [39] 39,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 30:[76, 21], Operations: ['87-58=29', '29-8=21'] Exploring Operation: 76-21=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 76+21=97, Resulting Numbers: [97] 97,30 unequal: No Solution Exploring Operation: 76*21=1596, Resulting Numbers: [1596] 1596,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 30:[76, 37], Operations: ['87-58=29', '8+29=37'] Exploring Operation: 76-37=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 76+37=113, Resulting Numbers: [113] 113,30 unequal: No Solution Exploring Operation: 76*37=2812, Resulting Numbers: [2812] 2812,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 30:[29, 84], Operations: ['87-58=29', '76+8=84'] Exploring Operation: 29*84=2436, Resulting Numbers: [2436] 2436,30 unequal: No Solution Exploring Operation: 84-29=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 29+84=113, Resulting Numbers: [113] 113,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 30:[87, 8, 18], Operations: ['76-58=18'] Exploring Operation: 87-18=69, Resulting Numbers: [8, 69] Generated Node #0,3,0: 30:[8, 69] Operation: 87-18=69 Exploring Operation: 8+18=26, Resulting Numbers: [87, 26] Generated Node #0,3,1: 30:[87, 26] Operation: 8+18=26 Exploring Operation: 87+8=95, Resulting Numbers: [18, 95] Generated Node #0,3,2: 30:[18, 95] Operation: 87+8=95 Exploring Operation: 18-8=10, Resulting Numbers: [87, 10] Generated Node #0,3,3: 30:[87, 10] Operation: 18-8=10 Exploring Operation: 87-8=79, Resulting Numbers: [18, 79] Generated Node #0,3,4: 30:[18, 79] Operation: 87-8=79 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 30:[8, 69], Operations: ['76-58=18', '87-18=69'] Exploring Operation: 69-8=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 8+69=77, Resulting Numbers: [77] 77,30 unequal: No Solution Exploring Operation: 8*69=552, Resulting Numbers: [552] 552,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 30:[18, 79], Operations: ['76-58=18', '87-8=79'] Exploring Operation: 18+79=97, Resulting Numbers: [97] 97,30 unequal: No Solution Exploring Operation: 79-18=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 18*79=1422, Resulting Numbers: [1422] 1422,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 30:[87, 10], Operations: ['76-58=18', '18-8=10'] Exploring Operation: 87+10=97, Resulting Numbers: [97] 97,30 unequal: No Solution Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,30 unequal: No Solution Exploring Operation: 87*10=870, Resulting Numbers: [870] 870,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 30:[87, 26], Operations: ['76-58=18', '8+18=26'] Exploring Operation: 87*26=2262, Resulting Numbers: [2262] 2262,30 unequal: No Solution Exploring Operation: 87+26=113, Resulting Numbers: [113] 113,30 unequal: No Solution Exploring Operation: 87-26=61, Resulting Numbers: [61] 61,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 30:[18, 95], Operations: ['76-58=18', '87+8=95'] Exploring Operation: 18*95=1710, Resulting Numbers: [1710] 1710,30 unequal: No Solution Exploring Operation: 95-18=77, Resulting Numbers: [77] 77,30 unequal: No Solution Exploring Operation: 18+95=113, Resulting Numbers: [113] 113,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[87, 58, 68], Operations: ['76-8=68'] Exploring Operation: 87-68=19, Resulting Numbers: [58, 19] Generated Node #0,1,0: 30:[58, 19] Operation: 87-68=19 Exploring Operation: 87+58=145, Resulting Numbers: [68, 145] Generated Node #0,1,1: 30:[68, 145] Operation: 87+58=145 Exploring Operation: 68-58=10, Resulting Numbers: [87, 10] Generated Node #0,1,2: 30:[87, 10] Operation: 68-58=10 Exploring Operation: 87-58=29, Resulting Numbers: [68, 29] Generated Node #0,1,3: 30:[68, 29] Operation: 87-58=29 Exploring Operation: 87+68=155, Resulting Numbers: [58, 155] Generated Node #0,1,4: 30:[58, 155] Operation: 87+68=155 Moving to Node #0,1,0 Current State: 30:[58, 19], Operations: ['76-8=68', '87-68=19'] Exploring Operation: 58*19=1102, Resulting Numbers: [1102] 1102,30 unequal: No Solution Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 58+19=77, Resulting Numbers: [77] 77,30 unequal: No Solution Moving to Node #0,1,3 Current State: 30:[68, 29], Operations: ['76-8=68', '87-58=29'] Exploring Operation: 68-29=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 68*29=1972, Resulting Numbers: [1972] 1972,30 unequal: No Solution Exploring Operation: 68+29=97, Resulting Numbers: [97] 97,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[87, 10], Operations: ['76-8=68', '68-58=10'] Exploring Operation: 87-10=77, Resulting Numbers: [77] 77,30 unequal: No Solution Exploring Operation: 87*10=870, Resulting Numbers: [870] 870,30 unequal: No Solution Exploring Operation: 87+10=97, Resulting Numbers: [97] 97,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[68, 145], Operations: ['76-8=68', '87+58=145'] Exploring Operation: 68*145=9860, Resulting Numbers: [9860] 9860,30 unequal: No Solution Exploring Operation: 68+145=213, Resulting Numbers: [213] 213,30 unequal: No Solution Exploring Operation: 145-68=77, Resulting Numbers: [77] 77,30 unequal: No Solution Moving to Node #0,1,4 Current State: 30:[58, 155], Operations: ['76-8=68', '87+68=155'] Exploring Operation: 58*155=8990, Resulting Numbers: [8990] 8990,30 unequal: No Solution Exploring Operation: 155-58=97, Resulting Numbers: [97] 97,30 unequal: No Solution Exploring Operation: 58+155=213, Resulting Numbers: [213] 213,30 unequal: No Solution No 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: 30:[76, 58, 79], Operations: ['87-8=79'] Exploring Operation: 76-58=18, Resulting Numbers: [79, 18] Generated Node #0,2,0: 30:[79, 18] Operation: 76-58=18 Exploring Operation: 76+79=155, Resulting Numbers: [58, 155] Generated Node #0,2,1: 30:[58, 155] Operation: 76+79=155 Exploring Operation: 76+58=134, Resulting Numbers: [79, 134] Generated Node #0,2,2: 30:[79, 134] Operation: 76+58=134 Exploring Operation: 79-76=3, Resulting Numbers: [58, 3] Generated Node #0,2,3: 30:[58, 3] Operation: 79-76=3 Exploring Operation: 79-58=21, Resulting Numbers: [76, 21] Generated Node #0,2,4: 30:[76, 21] Operation: 79-58=21 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 30:[58, 3], Operations: ['87-8=79', '79-76=3'] Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,30 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 30:[79, 18], Operations: ['87-8=79', '76-58=18'] Exploring Operation: 79-18=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 79*18=1422, Resulting Numbers: [1422] 1422,30 unequal: No Solution Exploring Operation: 79+18=97, Resulting Numbers: [97] 97,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 30:[76, 21], Operations: ['87-8=79', '79-58=21'] Exploring Operation: 76-21=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 76+21=97, Resulting Numbers: [97] 97,30 unequal: No Solution Exploring Operation: 76*21=1596, Resulting Numbers: [1596] 1596,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 30:[58, 155], Operations: ['87-8=79', '76+79=155'] Exploring Operation: 155-58=97, Resulting Numbers: [97] 97,30 unequal: No Solution Exploring Operation: 58*155=8990, Resulting Numbers: [8990] 8990,30 unequal: No Solution Exploring Operation: 58+155=213, Resulting Numbers: [213] 213,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 30:[79, 134], Operations: ['87-8=79', '76+58=134'] Exploring Operation: 79*134=10586, Resulting Numbers: [10586] 10586,30 unequal: No Solution Exploring Operation: 134-79=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 79+134=213, Resulting Numbers: [213] 213,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 48, 16, 49, 79 ]
68
[ "48/16=3", "49*3=147", "147-79=68" ]
Current State: 68:[48, 16, 49, 79], Operations: [] Exploring Operation: 48/16=3, Resulting Numbers: [49, 79, 3] Generated Node #2: [49, 79, 3] from Operation: 48/16=3 Current State: 68:[49, 79, 3], Operations: ['48/16=3'] Exploring Operation: 49*3=147, Resulting Numbers: [79, 147] Generated Node #3: [79, 147] from Operation: 49*3=147 Current State: 68:[79, 147], Operations: ['48/16=3', '49*3=147'] Exploring Operation: 147-79=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[48, 16, 49, 79], Operations: [] Exploring Operation: 48/16=3, Resulting Numbers: [49, 79, 3] Generated Node #0,0: 68:[49, 79, 3] Operation: 48/16=3 Exploring Operation: 79-49=30, Resulting Numbers: [48, 16, 30] Generated Node #0,1: 68:[48, 16, 30] Operation: 79-49=30 Exploring Operation: 49-48=1, Resulting Numbers: [16, 79, 1] Generated Node #0,2: 68:[16, 79, 1] Operation: 49-48=1 Exploring Operation: 49-16=33, Resulting Numbers: [48, 79, 33] Generated Node #0,3: 68:[48, 79, 33] Operation: 49-16=33 Exploring Operation: 79-48=31, Resulting Numbers: [16, 49, 31] Generated Node #0,4: 68:[16, 49, 31] Operation: 79-48=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 68:[16, 79, 1], Operations: ['49-48=1'] Exploring Operation: 16+1=17, Resulting Numbers: [79, 17] Generated Node #0,2,0: 68:[79, 17] Operation: 16+1=17 Exploring Operation: 79-16=63, Resulting Numbers: [1, 63] Generated Node #0,2,1: 68:[1, 63] Operation: 79-16=63 Exploring Operation: 79-1=78, Resulting Numbers: [16, 78] Generated Node #0,2,2: 68:[16, 78] Operation: 79-1=78 Exploring Operation: 16/1=16, Resulting Numbers: [79, 16] Generated Node #0,2,3: 68:[79, 16] Operation: 16/1=16 Exploring Operation: 16*1=16, Resulting Numbers: [79, 16] Generated Node #0,2,4: 68:[79, 16] Operation: 16*1=16 Moving to Node #0,2,1 Current State: 68:[1, 63], Operations: ['49-48=1', '79-16=63'] Exploring Operation: 1+63=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,68 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,68 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[16, 78], Operations: ['49-48=1', '79-1=78'] Exploring Operation: 16*78=1248, Resulting Numbers: [1248] 1248,68 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,68 unequal: No Solution Exploring Operation: 16+78=94, Resulting Numbers: [94] 94,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[79, 17], Operations: ['49-48=1', '16+1=17'] Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,68 unequal: No Solution Exploring Operation: 79*17=1343, Resulting Numbers: [1343] 1343,68 unequal: No Solution Exploring Operation: 79+17=96, Resulting Numbers: [96] 96,68 unequal: No Solution Moving to Node #0,2,3 Current State: 68:[79, 16], Operations: ['49-48=1', '16/1=16'] Exploring Operation: 79+16=95, Resulting Numbers: [95] 95,68 unequal: No Solution Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,68 unequal: No Solution Exploring Operation: 79*16=1264, Resulting Numbers: [1264] 1264,68 unequal: No Solution Moving to Node #0,2,4 Current State: 68:[79, 16], Operations: ['49-48=1', '16*1=16'] Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,68 unequal: No Solution Exploring Operation: 79*16=1264, Resulting Numbers: [1264] 1264,68 unequal: No Solution Exploring Operation: 79+16=95, Resulting Numbers: [95] 95,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[48, 16, 30], Operations: ['79-49=30'] Exploring Operation: 48-30=18, Resulting Numbers: [16, 18] Generated Node #0,1,0: 68:[16, 18] Operation: 48-30=18 Exploring Operation: 48/16=3, Resulting Numbers: [30, 3] Generated Node #0,1,1: 68:[30, 3] Operation: 48/16=3 Exploring Operation: 48-16=32, Resulting Numbers: [30, 32] Generated Node #0,1,2: 68:[30, 32] Operation: 48-16=32 Exploring Operation: 48+30=78, Resulting Numbers: [16, 78] Generated Node #0,1,3: 68:[16, 78] Operation: 48+30=78 Exploring Operation: 48+16=64, Resulting Numbers: [30, 64] Generated Node #0,1,4: 68:[30, 64] Operation: 48+16=64 Moving to Node #0,1,0 Current State: 68:[16, 18], Operations: ['79-49=30', '48-30=18'] Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,68 unequal: No Solution Moving to Node #0,1,1 Current State: 68:[30, 3], Operations: ['79-49=30', '48/16=3'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,68 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,68 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,68 unequal: No Solution Moving to Node #0,1,2 Current State: 68:[30, 32], Operations: ['79-49=30', '48-16=32'] Exploring Operation: 30+32=62, Resulting Numbers: [62] 62,68 unequal: No Solution Exploring Operation: 30*32=960, Resulting Numbers: [960] 960,68 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,68 unequal: No Solution Moving to Node #0,1,4 Current State: 68:[30, 64], Operations: ['79-49=30', '48+16=64'] Exploring Operation: 30*64=1920, Resulting Numbers: [1920] 1920,68 unequal: No Solution Exploring Operation: 30+64=94, Resulting Numbers: [94] 94,68 unequal: No Solution Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,68 unequal: No Solution Moving to Node #0,1,3 Current State: 68:[16, 78], Operations: ['79-49=30', '48+30=78'] Exploring Operation: 16+78=94, Resulting Numbers: [94] 94,68 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,68 unequal: No Solution Exploring Operation: 16*78=1248, Resulting Numbers: [1248] 1248,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 68:[16, 49, 31], Operations: ['79-48=31'] Exploring Operation: 49-16=33, Resulting Numbers: [31, 33] Generated Node #0,4,0: 68:[31, 33] Operation: 49-16=33 Exploring Operation: 31-16=15, Resulting Numbers: [49, 15] Generated Node #0,4,1: 68:[49, 15] Operation: 31-16=15 Exploring Operation: 49-31=18, Resulting Numbers: [16, 18] Generated Node #0,4,2: 68:[16, 18] Operation: 49-31=18 Exploring Operation: 16+49=65, Resulting Numbers: [31, 65] Generated Node #0,4,3: 68:[31, 65] Operation: 16+49=65 Exploring Operation: 49+31=80, Resulting Numbers: [16, 80] Generated Node #0,4,4: 68:[16, 80] Operation: 49+31=80 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 68:[16, 18], Operations: ['79-48=31', '49-31=18'] Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 16*18=288, Resulting Numbers: [288] 288,68 unequal: No Solution Exploring Operation: 16+18=34, Resulting Numbers: [34] 34,68 unequal: No Solution No 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: 68:[31, 33], Operations: ['79-48=31', '49-16=33'] Exploring Operation: 31*33=1023, Resulting Numbers: [1023] 1023,68 unequal: No Solution Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,68 unequal: No Solution No 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: 68:[31, 65], Operations: ['79-48=31', '16+49=65'] Exploring Operation: 31+65=96, Resulting Numbers: [96] 96,68 unequal: No Solution Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 31*65=2015, Resulting Numbers: [2015] 2015,68 unequal: No Solution No 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: 68:[16, 80], Operations: ['79-48=31', '49+31=80'] Exploring Operation: 16*80=1280, Resulting Numbers: [1280] 1280,68 unequal: No Solution Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,68 unequal: No Solution Exploring Operation: 16+80=96, Resulting Numbers: [96] 96,68 unequal: No Solution Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,68 unequal: No Solution No 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: 68:[49, 15], Operations: ['79-48=31', '31-16=15'] Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 49*15=735, Resulting Numbers: [735] 735,68 unequal: No Solution Exploring Operation: 49+15=64, Resulting Numbers: [64] 64,68 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: 68:[48, 79, 33], Operations: ['49-16=33'] Exploring Operation: 79-33=46, Resulting Numbers: [48, 46] Generated Node #0,3,0: 68:[48, 46] Operation: 79-33=46 Exploring Operation: 48+33=81, Resulting Numbers: [79, 81] Generated Node #0,3,1: 68:[79, 81] Operation: 48+33=81 Exploring Operation: 79-48=31, Resulting Numbers: [33, 31] Generated Node #0,3,2: 68:[33, 31] Operation: 79-48=31 Exploring Operation: 48-33=15, Resulting Numbers: [79, 15] Generated Node #0,3,3: 68:[79, 15] Operation: 48-33=15 Exploring Operation: 79+33=112, Resulting Numbers: [48, 112] Generated Node #0,3,4: 68:[48, 112] Operation: 79+33=112 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 68:[33, 31], Operations: ['49-16=33', '79-48=31'] Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 33+31=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 33*31=1023, Resulting Numbers: [1023] 1023,68 unequal: No Solution No 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: 68:[79, 15], Operations: ['49-16=33', '48-33=15'] Exploring Operation: 79-15=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 79+15=94, Resulting Numbers: [94] 94,68 unequal: No Solution Exploring Operation: 79*15=1185, Resulting Numbers: [1185] 1185,68 unequal: No Solution No 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: 68:[79, 81], Operations: ['49-16=33', '48+33=81'] Exploring Operation: 79*81=6399, Resulting Numbers: [6399] 6399,68 unequal: No Solution Exploring Operation: 81-79=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 79+81=160, Resulting Numbers: [160] 160,68 unequal: No Solution No 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: 68:[48, 46], Operations: ['49-16=33', '79-33=46'] Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,68 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,68 unequal: No Solution Exploring Operation: 48*46=2208, Resulting Numbers: [2208] 2208,68 unequal: No Solution No 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: 68:[48, 112], Operations: ['49-16=33', '79+33=112'] Exploring Operation: 112-48=64, Resulting Numbers: [64] 64,68 unequal: No Solution Exploring Operation: 48+112=160, Resulting Numbers: [160] 160,68 unequal: No Solution Exploring Operation: 48*112=5376, Resulting Numbers: [5376] 5376,68 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: 68:[49, 79, 3], Operations: ['48/16=3'] Exploring Operation: 49+3=52, Resulting Numbers: [79, 52] Generated Node #0,0,0: 68:[79, 52] Operation: 49+3=52 Exploring Operation: 79+3=82, Resulting Numbers: [49, 82] Generated Node #0,0,1: 68:[49, 82] Operation: 79+3=82 Exploring Operation: 79-49=30, Resulting Numbers: [3, 30] Generated Node #0,0,2: 68:[3, 30] Operation: 79-49=30 Exploring Operation: 49-3=46, Resulting Numbers: [79, 46] Generated Node #0,0,3: 68:[79, 46] Operation: 49-3=46 Exploring Operation: 79-3=76, Resulting Numbers: [49, 76] Generated Node #0,0,4: 68:[49, 76] Operation: 79-3=76 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 68:[3, 30], Operations: ['48/16=3', '79-49=30'] Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,68 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,68 unequal: No Solution Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,68 unequal: No Solution No 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: 68:[79, 46], Operations: ['48/16=3', '49-3=46'] Exploring Operation: 79+46=125, Resulting Numbers: [125] 125,68 unequal: No Solution Exploring Operation: 79-46=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 79*46=3634, Resulting Numbers: [3634] 3634,68 unequal: No Solution No 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: 68:[49, 76], Operations: ['48/16=3', '79-3=76'] Exploring Operation: 49*76=3724, Resulting Numbers: [3724] 3724,68 unequal: No Solution Exploring Operation: 49+76=125, Resulting Numbers: [125] 125,68 unequal: No Solution Exploring Operation: 76-49=27, Resulting Numbers: [27] 27,68 unequal: No Solution No 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: 68:[79, 52], Operations: ['48/16=3', '49+3=52'] Exploring Operation: 79*52=4108, Resulting Numbers: [4108] 4108,68 unequal: No Solution Exploring Operation: 79-52=27, Resulting Numbers: [27] 27,68 unequal: No Solution Exploring Operation: 79+52=131, Resulting Numbers: [131] 131,68 unequal: No Solution No 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: 68:[49, 82], Operations: ['48/16=3', '79+3=82'] Exploring Operation: 49+82=131, Resulting Numbers: [131] 131,68 unequal: No Solution Exploring Operation: 82-49=33, Resulting Numbers: [33] 33,68 unequal: No Solution Exploring Operation: 49*82=4018, Resulting Numbers: [4018] 4018,68 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
[ 19, 5, 92, 4 ]
12
[ "19*5=95", "95-92=3", "4*3=12" ]
Current State: 12:[19, 5, 92, 4], Operations: [] Exploring Operation: 19*5=95, Resulting Numbers: [92, 4, 95] Generated Node #2: [92, 4, 95] from Operation: 19*5=95 Current State: 12:[92, 4, 95], Operations: ['19*5=95'] Exploring Operation: 95-92=3, Resulting Numbers: [4, 3] Generated Node #3: [4, 3] from Operation: 95-92=3 Current State: 12:[4, 3], Operations: ['19*5=95', '95-92=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[19, 5, 92, 4], Operations: [] Exploring Operation: 92/4=23, Resulting Numbers: [19, 5, 23] Generated Node #0,0: 12:[19, 5, 23] Operation: 92/4=23 Moving to Node #0,0 Current State: 12:[19, 5, 23], Operations: ['92/4=23'] Exploring Operation: 23-19=4, Resulting Numbers: [5, 4] Generated Node #0,0,0: 12:[5, 4] Operation: 23-19=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[5, 4], Operations: ['92/4=23', '23-19=4'] Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 94, 71, 56, 85 ]
24
[ "94+71=165", "56+85=141", "165-141=24" ]
Current State: 24:[94, 71, 56, 85], Operations: [] Exploring Operation: 94+71=165, Resulting Numbers: [56, 85, 165] Generated Node #2: [56, 85, 165] from Operation: 94+71=165 Current State: 24:[56, 85, 165], Operations: ['94+71=165'] Exploring Operation: 56+85=141, Resulting Numbers: [165, 141] Generated Node #3: [165, 141] from Operation: 56+85=141 Current State: 24:[165, 141], Operations: ['94+71=165', '56+85=141'] Exploring Operation: 165-141=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[94, 71, 56, 85], Operations: [] Exploring Operation: 94-85=9, Resulting Numbers: [71, 56, 9] Generated Node #0,0: 24:[71, 56, 9] Operation: 94-85=9 Exploring Operation: 94-71=23, Resulting Numbers: [56, 85, 23] Generated Node #0,1: 24:[56, 85, 23] Operation: 94-71=23 Exploring Operation: 85-71=14, Resulting Numbers: [94, 56, 14] Generated Node #0,2: 24:[94, 56, 14] Operation: 85-71=14 Moving to Node #0,0 Current State: 24:[71, 56, 9], Operations: ['94-85=9'] Exploring Operation: 71-9=62, Resulting Numbers: [56, 62] Generated Node #0,0,0: 24:[56, 62] Operation: 71-9=62 Exploring Operation: 71-56=15, Resulting Numbers: [9, 15] Generated Node #0,0,1: 24:[9, 15] Operation: 71-56=15 Exploring Operation: 56-9=47, Resulting Numbers: [71, 47] Generated Node #0,0,2: 24:[71, 47] Operation: 56-9=47 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[9, 15], Operations: ['94-85=9', '71-56=15'] Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,24 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[94, 71, 56, 85], Operations: [] Exploring Operation: 94-85=9, Resulting Numbers: [71, 56, 9] Generated Node #0,0: 24:[71, 56, 9] Operation: 94-85=9 Moving to Node #0,0 Current State: 24:[71, 56, 9], Operations: ['94-85=9'] Exploring Operation: 71-56=15, Resulting Numbers: [9, 15] Generated Node #0,0,1: 24:[9, 15] Operation: 71-56=15 Moving to Node #0,0,1 Current State: 24:[9, 15], Operations: ['94-85=9', '71-56=15'] Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 80, 20, 84, 30 ]
82
[ "80-20=60", "60/30=2", "84-2=82" ]
Current State: 82:[80, 20, 84, 30], Operations: [] Exploring Operation: 80-20=60, Resulting Numbers: [84, 30, 60] Generated Node #2: [84, 30, 60] from Operation: 80-20=60 Current State: 82:[84, 30, 60], Operations: ['80-20=60'] Exploring Operation: 60/30=2, Resulting Numbers: [84, 2] Generated Node #3: [84, 2] from Operation: 60/30=2 Current State: 82:[84, 2], Operations: ['80-20=60', '60/30=2'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[80, 20, 84, 30], Operations: [] Exploring Operation: 30-20=10, Resulting Numbers: [80, 84, 10] Generated Node #0,0: 82:[80, 84, 10] Operation: 30-20=10 Moving to Node #0,0 Current State: 82:[80, 84, 10], Operations: ['30-20=10'] Exploring Operation: 80/10=8, Resulting Numbers: [84, 8] Generated Node #0,0,0: 82:[84, 8] Operation: 80/10=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[84, 8], Operations: ['30-20=10', '80/10=8'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 49, 47, 47, 32 ]
63
[ "49-47=2", "32/2=16", "47+16=63" ]
Current State: 63:[49, 47, 47, 32], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [32, 2] Generated Node #2: [32, 2] from Operation: 49-47=2 Current State: 63:[32, 2], Operations: ['49-47=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,63 equal: Goal Reached Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[49, 47, 47, 32], Operations: [] Exploring Operation: 49-47=2, Resulting Numbers: [47, 32, 2] Generated Node #0,0: 63:[47, 32, 2] Operation: 49-47=2 Exploring Operation: 47/47=1, Resulting Numbers: [49, 32, 1] Generated Node #0,1: 63:[49, 32, 1] Operation: 47/47=1 Moving to Node #0,1 Current State: 63:[49, 32, 1], Operations: ['47/47=1'] Exploring Operation: 49-32=17, Resulting Numbers: [1, 17] Generated Node #0,1,0: 63:[1, 17] Operation: 49-32=17 Exploring Operation: 49+32=81, Resulting Numbers: [1, 81] Generated Node #0,1,1: 63:[1, 81] Operation: 49+32=81 Moving to Node #0,0 Current State: 63:[47, 32, 2], Operations: ['49-47=2'] Exploring Operation: 47+32=79, Resulting Numbers: [2, 79] Generated Node #0,0,0: 63:[2, 79] Operation: 47+32=79 Exploring Operation: 47-32=15, Resulting Numbers: [2, 15] Generated Node #0,0,1: 63:[2, 15] Operation: 47-32=15 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[2, 15], Operations: ['49-47=2', '47-32=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[2, 79], Operations: ['49-47=2', '47+32=79'] Exploring Operation: 2+79=81, Resulting Numbers: [81] 81,63 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,63 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: 63:[1, 17], Operations: ['47/47=1', '49-32=17'] Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,63 unequal: No Solution Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,63 unequal: No Solution Moving to Node #0,1,1 Current State: 63:[1, 81], Operations: ['47/47=1', '49+32=81'] Exploring Operation: 81-1=80, Resulting Numbers: [80] 80,63 unequal: No Solution Exploring Operation: 1*81=81, Resulting Numbers: [81] 81,63 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 38, 63, 47, 63 ]
38
[ "63-63=0", "47*0=0", "38+0=38" ]
Current State: 38:[38, 63, 47, 63], Operations: [] Exploring Operation: 63-63=0, Resulting Numbers: [38, 47, 0] Generated Node #2: [38, 47, 0] from Operation: 63-63=0 Current State: 38:[38, 47, 0], Operations: ['63-63=0'] Exploring Operation: 47*0=0, Resulting Numbers: [38, 0] Generated Node #3: [38, 0] from Operation: 47*0=0 Current State: 38:[38, 0], Operations: ['63-63=0', '47*0=0'] Exploring Operation: 38+0=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[38, 63, 47, 63], Operations: [] Exploring Operation: 63/63=1, Resulting Numbers: [38, 47, 1] Generated Node #0,0: 38:[38, 47, 1] Operation: 63/63=1 Moving to Node #0,0 Current State: 38:[38, 47, 1], Operations: ['63/63=1'] Exploring Operation: 47-38=9, Resulting Numbers: [1, 9] Generated Node #0,0,0: 38:[1, 9] Operation: 47-38=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[1, 9], Operations: ['63/63=1', '47-38=9'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,38 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
[ 37, 77, 70, 5 ]
26
[ "77-37=40", "70/5=14", "40-14=26" ]
Current State: 26:[37, 77, 70, 5], Operations: [] Exploring Operation: 77-37=40, Resulting Numbers: [70, 5, 40] Generated Node #2: [70, 5, 40] from Operation: 77-37=40 Current State: 26:[70, 5, 40], Operations: ['77-37=40'] Exploring Operation: 70/5=14, Resulting Numbers: [40, 14] Generated Node #3: [40, 14] from Operation: 70/5=14 Current State: 26:[40, 14], Operations: ['77-37=40', '70/5=14'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[37, 77, 70, 5], Operations: [] Exploring Operation: 77-37=40, Resulting Numbers: [70, 5, 40] Generated Node #0,0: 26:[70, 5, 40] Operation: 77-37=40 Exploring Operation: 77-70=7, Resulting Numbers: [37, 5, 7] Generated Node #0,1: 26:[37, 5, 7] Operation: 77-70=7 Moving to Node #0,1 Current State: 26:[37, 5, 7], Operations: ['77-70=7'] Exploring Operation: 37-7=30, Resulting Numbers: [5, 30] Generated Node #0,1,0: 26:[5, 30] Operation: 37-7=30 Exploring Operation: 37-5=32, Resulting Numbers: [7, 32] Generated Node #0,1,1: 26:[7, 32] Operation: 37-5=32 Moving to Node #0,0 Current State: 26:[70, 5, 40], Operations: ['77-37=40'] Exploring Operation: 70-40=30, Resulting Numbers: [5, 30] Generated Node #0,0,0: 26:[5, 30] Operation: 70-40=30 Exploring Operation: 70/5=14, Resulting Numbers: [40, 14] Generated Node #0,0,1: 26:[40, 14] Operation: 70/5=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 26:[5, 30], Operations: ['77-37=40', '70-40=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,26 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[40, 14], Operations: ['77-37=40', '70/5=14'] Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,26 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[37, 77, 70, 5], Operations: [] Exploring Operation: 77-37=40, Resulting Numbers: [70, 5, 40] Generated Node #0,0: 26:[70, 5, 40] Operation: 77-37=40 Moving to Node #0,0 Current State: 26:[70, 5, 40], Operations: ['77-37=40'] Exploring Operation: 70/5=14, Resulting Numbers: [40, 14] Generated Node #0,0,1: 26:[40, 14] Operation: 70/5=14 Moving to Node #0,0,1 Current State: 26:[40, 14], Operations: ['77-37=40', '70/5=14'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_2
sum_heuristic
[ 66, 50, 68, 7 ]
10
[ "68-66=2", "7-2=5", "50/5=10" ]
Current State: 10:[66, 50, 68, 7], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [50, 7, 2] Generated Node #2: [50, 7, 2] from Operation: 68-66=2 Current State: 10:[50, 7, 2], Operations: ['68-66=2'] Exploring Operation: 7-2=5, Resulting Numbers: [50, 5] Generated Node #3: [50, 5] from Operation: 7-2=5 Current State: 10:[50, 5], Operations: ['68-66=2', '7-2=5'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[66, 50, 68, 7], Operations: [] Exploring Operation: 68-50=18, Resulting Numbers: [66, 7, 18] Generated Node #0,0: 10:[66, 7, 18] Operation: 68-50=18 Exploring Operation: 50-7=43, Resulting Numbers: [66, 68, 43] Generated Node #0,1: 10:[66, 68, 43] Operation: 50-7=43 Exploring Operation: 66-7=59, Resulting Numbers: [50, 68, 59] Generated Node #0,2: 10:[50, 68, 59] Operation: 66-7=59 Exploring Operation: 68-66=2, Resulting Numbers: [50, 7, 2] Generated Node #0,3: 10:[50, 7, 2] Operation: 68-66=2 Exploring Operation: 66-50=16, Resulting Numbers: [68, 7, 16] Generated Node #0,4: 10:[68, 7, 16] Operation: 66-50=16 Start Sub Search at level 1: Moving to Node #0,3 Current State: 10:[50, 7, 2], Operations: ['68-66=2'] Exploring Operation: 50-7=43, Resulting Numbers: [2, 43] Generated Node #0,3,0: 10:[2, 43] Operation: 50-7=43 Exploring Operation: 50/2=25, Resulting Numbers: [7, 25] Generated Node #0,3,1: 10:[7, 25] Operation: 50/2=25 Exploring Operation: 7-2=5, Resulting Numbers: [50, 5] Generated Node #0,3,2: 10:[50, 5] Operation: 7-2=5 Exploring Operation: 50-2=48, Resulting Numbers: [7, 48] Generated Node #0,3,3: 10:[7, 48] Operation: 50-2=48 Exploring Operation: 7+2=9, Resulting Numbers: [50, 9] Generated Node #0,3,4: 10:[50, 9] Operation: 7+2=9 Moving to Node #0,3,1 Current State: 10:[7, 25], Operations: ['68-66=2', '50/2=25'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 7*25=175, Resulting Numbers: [175] 175,10 unequal: No Solution Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,10 unequal: No Solution Moving to Node #0,3,0 Current State: 10:[2, 43], Operations: ['68-66=2', '50-7=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,10 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,10 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,10 unequal: No Solution Moving to Node #0,3,2 Current State: 10:[50, 5], Operations: ['68-66=2', '7-2=5'] Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,10 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[66, 50, 68, 7], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [50, 7, 2] Generated Node #0,3: 10:[50, 7, 2] Operation: 68-66=2 Moving to Node #0,3 Current State: 10:[50, 7, 2], Operations: ['68-66=2'] Exploring Operation: 7-2=5, Resulting Numbers: [50, 5] Generated Node #0,3,2: 10:[50, 5] Operation: 7-2=5 Moving to Node #0,3,2 Current State: 10:[50, 5], Operations: ['68-66=2', '7-2=5'] Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 39, 12, 43, 59 ]
75
[ "39-12=27", "43+59=102", "102-27=75" ]
Current State: 75:[39, 12, 43, 59], Operations: [] Exploring Operation: 39-12=27, Resulting Numbers: [43, 59, 27] Generated Node #2: [43, 59, 27] from Operation: 39-12=27 Current State: 75:[43, 59, 27], Operations: ['39-12=27'] Exploring Operation: 43+59=102, Resulting Numbers: [27, 102] Generated Node #3: [27, 102] from Operation: 43+59=102 Current State: 75:[27, 102], Operations: ['39-12=27', '43+59=102'] Exploring Operation: 102-27=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[39, 12, 43, 59], Operations: [] Exploring Operation: 43-39=4, Resulting Numbers: [12, 59, 4] Generated Node #0,0: 75:[12, 59, 4] Operation: 43-39=4 Exploring Operation: 39+43=82, Resulting Numbers: [12, 59, 82] Generated Node #0,1: 75:[12, 59, 82] Operation: 39+43=82 Exploring Operation: 59-43=16, Resulting Numbers: [39, 12, 16] Generated Node #0,2: 75:[39, 12, 16] Operation: 59-43=16 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[39, 12, 16], Operations: ['59-43=16'] Exploring Operation: 39-12=27, Resulting Numbers: [16, 27] Generated Node #0,2,0: 75:[16, 27] Operation: 39-12=27 Exploring Operation: 39-16=23, Resulting Numbers: [12, 23] Generated Node #0,2,1: 75:[12, 23] Operation: 39-16=23 Exploring Operation: 16-12=4, Resulting Numbers: [39, 4] Generated Node #0,2,2: 75:[39, 4] Operation: 16-12=4 Moving to Node #0,2,0 Current State: 75:[16, 27], Operations: ['59-43=16', '39-12=27'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,75 unequal: No Solution Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[12, 23], Operations: ['59-43=16', '39-16=23'] Exploring Operation: 12*23=276, Resulting Numbers: [276] 276,75 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 12+23=35, Resulting Numbers: [35] 35,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[39, 4], Operations: ['59-43=16', '16-12=4'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,75 unequal: No Solution Exploring Operation: 39+4=43, Resulting Numbers: [43] 43,75 unequal: No Solution Exploring Operation: 39*4=156, Resulting Numbers: [156] 156,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[12, 59, 4], Operations: ['43-39=4'] Exploring Operation: 12+59=71, Resulting Numbers: [4, 71] Generated Node #0,0,0: 75:[4, 71] Operation: 12+59=71 Exploring Operation: 12/4=3, Resulting Numbers: [59, 3] Generated Node #0,0,1: 75:[59, 3] Operation: 12/4=3 Exploring Operation: 59+4=63, Resulting Numbers: [12, 63] Generated Node #0,0,2: 75:[12, 63] Operation: 59+4=63 Moving to Node #0,0,0 Current State: 75:[4, 71], Operations: ['43-39=4', '12+59=71'] Exploring Operation: 71-4=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 4+71=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[39, 12, 43, 59], Operations: [] Exploring Operation: 43-39=4, Resulting Numbers: [12, 59, 4] Generated Node #0,0: 75:[12, 59, 4] Operation: 43-39=4 Moving to Node #0,0 Current State: 75:[12, 59, 4], Operations: ['43-39=4'] Exploring Operation: 12+59=71, Resulting Numbers: [4, 71] Generated Node #0,0,0: 75:[4, 71] Operation: 12+59=71 Moving to Node #0,0,0 Current State: 75:[4, 71], Operations: ['43-39=4', '12+59=71'] Exploring Operation: 4+71=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 64, 60, 56, 59 ]
61
[ "64+56=120", "120/60=2", "59+2=61" ]
Current State: 61:[64, 60, 56, 59], Operations: [] Exploring Operation: 64+56=120, Resulting Numbers: [60, 59, 120] Generated Node #2: [60, 59, 120] from Operation: 64+56=120 Current State: 61:[60, 59, 120], Operations: ['64+56=120'] Exploring Operation: 120/60=2, Resulting Numbers: [59, 2] Generated Node #3: [59, 2] from Operation: 120/60=2 Current State: 61:[59, 2], Operations: ['64+56=120', '120/60=2'] Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[64, 60, 56, 59], Operations: [] Exploring Operation: 60+56=116, Resulting Numbers: [64, 59, 116] Generated Node #0,0: 61:[64, 59, 116] Operation: 60+56=116 Exploring Operation: 56+59=115, Resulting Numbers: [64, 60, 115] Generated Node #0,1: 61:[64, 60, 115] Operation: 56+59=115 Exploring Operation: 64-56=8, Resulting Numbers: [60, 59, 8] Generated Node #0,2: 61:[60, 59, 8] Operation: 64-56=8 Moving to Node #0,2 Current State: 61:[60, 59, 8], Operations: ['64-56=8'] Exploring Operation: 60+8=68, Resulting Numbers: [59, 68] Generated Node #0,2,0: 61:[59, 68] Operation: 60+8=68 Exploring Operation: 59+8=67, Resulting Numbers: [60, 67] Generated Node #0,2,1: 61:[60, 67] Operation: 59+8=67 Exploring Operation: 60-8=52, Resulting Numbers: [59, 52] Generated Node #0,2,2: 61:[59, 52] Operation: 60-8=52 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 61:[60, 67], Operations: ['64-56=8', '59+8=67'] Exploring Operation: 60+67=127, Resulting Numbers: [127] 127,61 unequal: No Solution Exploring Operation: 67-60=7, Resulting Numbers: [7] 7,61 unequal: No Solution Exploring Operation: 60*67=4020, Resulting Numbers: [4020] 4020,61 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 #0,2,0 Current State: 61:[59, 68], Operations: ['64-56=8', '60+8=68'] Exploring Operation: 68-59=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 59+68=127, Resulting Numbers: [127] 127,61 unequal: No Solution Exploring Operation: 59*68=4012, Resulting Numbers: [4012] 4012,61 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 #0,2,2 Current State: 61:[59, 52], Operations: ['64-56=8', '60-8=52'] Exploring Operation: 59*52=3068, Resulting Numbers: [3068] 3068,61 unequal: No Solution Exploring Operation: 59-52=7, Resulting Numbers: [7] 7,61 unequal: No Solution Exploring Operation: 59+52=111, Resulting Numbers: [111] 111,61 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: 61:[64, 60, 115], Operations: ['56+59=115'] Exploring Operation: 115-64=51, Resulting Numbers: [60, 51] Generated Node #0,1,0: 61:[60, 51] Operation: 115-64=51 Exploring Operation: 64-60=4, Resulting Numbers: [115, 4] Generated Node #0,1,1: 61:[115, 4] Operation: 64-60=4 Exploring Operation: 115-60=55, Resulting Numbers: [64, 55] Generated Node #0,1,2: 61:[64, 55] Operation: 115-60=55 Moving to Node #0,0 Current State: 61:[64, 59, 116], Operations: ['60+56=116'] Exploring Operation: 64-59=5, Resulting Numbers: [116, 5] Generated Node #0,0,0: 61:[116, 5] Operation: 64-59=5 Exploring Operation: 116-64=52, Resulting Numbers: [59, 52] Generated Node #0,0,1: 61:[59, 52] Operation: 116-64=52 Exploring Operation: 116-59=57, Resulting Numbers: [64, 57] Generated Node #0,0,2: 61:[64, 57] Operation: 116-59=57 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 61:[64, 57], Operations: ['60+56=116', '116-59=57'] Exploring Operation: 64+57=121, Resulting Numbers: [121] 121,61 unequal: No Solution Exploring Operation: 64*57=3648, Resulting Numbers: [3648] 3648,61 unequal: No Solution Exploring Operation: 64-57=7, Resulting Numbers: [7] 7,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[59, 52], Operations: ['60+56=116', '116-64=52'] Exploring Operation: 59*52=3068, Resulting Numbers: [3068] 3068,61 unequal: No Solution Exploring Operation: 59-52=7, Resulting Numbers: [7] 7,61 unequal: No Solution Exploring Operation: 59+52=111, Resulting Numbers: [111] 111,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[116, 5], Operations: ['60+56=116', '64-59=5'] Exploring Operation: 116-5=111, Resulting Numbers: [111] 111,61 unequal: No Solution Exploring Operation: 116+5=121, Resulting Numbers: [121] 121,61 unequal: No Solution Exploring Operation: 116*5=580, Resulting Numbers: [580] 580,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 61:[64, 55], Operations: ['56+59=115', '115-60=55'] Exploring Operation: 64+55=119, Resulting Numbers: [119] 119,61 unequal: No Solution Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,61 unequal: No Solution Exploring Operation: 64*55=3520, Resulting Numbers: [3520] 3520,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[60, 51], Operations: ['56+59=115', '115-64=51'] Exploring Operation: 60+51=111, Resulting Numbers: [111] 111,61 unequal: No Solution Exploring Operation: 60*51=3060, Resulting Numbers: [3060] 3060,61 unequal: No Solution Exploring Operation: 60-51=9, Resulting Numbers: [9] 9,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[115, 4], Operations: ['56+59=115', '64-60=4'] Exploring Operation: 115+4=119, Resulting Numbers: [119] 119,61 unequal: No Solution Exploring Operation: 115-4=111, Resulting Numbers: [111] 111,61 unequal: No Solution Exploring Operation: 115*4=460, Resulting Numbers: [460] 460,61 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 62, 21, 72, 7 ]
38
[ "62-21=41", "72+7=79", "79-41=38" ]
Current State: 38:[62, 21, 72, 7], Operations: [] Exploring Operation: 62-21=41, Resulting Numbers: [72, 7, 41] Generated Node #2: [72, 7, 41] from Operation: 62-21=41 Current State: 38:[72, 7, 41], Operations: ['62-21=41'] Exploring Operation: 72+7=79, Resulting Numbers: [41, 79] Generated Node #3: [41, 79] from Operation: 72+7=79 Current State: 38:[41, 79], Operations: ['62-21=41', '72+7=79'] Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[62, 21, 72, 7], Operations: [] Exploring Operation: 72-62=10, Resulting Numbers: [21, 7, 10] Generated Node #0,0: 38:[21, 7, 10] Operation: 72-62=10 Moving to Node #0,0 Current State: 38:[21, 7, 10], Operations: ['72-62=10'] Exploring Operation: 10-7=3, Resulting Numbers: [21, 3] Generated Node #0,0,0: 38:[21, 3] Operation: 10-7=3 Moving to Node #0,0,0 Current State: 38:[21, 3], Operations: ['72-62=10', '10-7=3'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,38 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 84, 23, 36, 28 ]
39
[ "84/28=3", "36-23=13", "3*13=39" ]
Current State: 39:[84, 23, 36, 28], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [23, 36, 3] Generated Node #2: [23, 36, 3] from Operation: 84/28=3 Current State: 39:[23, 36, 3], Operations: ['84/28=3'] Exploring Operation: 36-23=13, Resulting Numbers: [3, 13] Generated Node #3: [3, 13] from Operation: 36-23=13 Current State: 39:[3, 13], Operations: ['84/28=3', '36-23=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[84, 23, 36, 28], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [23, 36, 3] Generated Node #0,0: 39:[23, 36, 3] Operation: 84/28=3 Exploring Operation: 84-36=48, Resulting Numbers: [23, 28, 48] Generated Node #0,1: 39:[23, 28, 48] Operation: 84-36=48 Exploring Operation: 84-28=56, Resulting Numbers: [23, 36, 56] Generated Node #0,2: 39:[23, 36, 56] Operation: 84-28=56 Exploring Operation: 28-23=5, Resulting Numbers: [84, 36, 5] Generated Node #0,3: 39:[84, 36, 5] Operation: 28-23=5 Exploring Operation: 84-23=61, Resulting Numbers: [36, 28, 61] Generated Node #0,4: 39:[36, 28, 61] Operation: 84-23=61 Moving to Node #0,0 Current State: 39:[23, 36, 3], Operations: ['84/28=3'] Exploring Operation: 36/3=12, Resulting Numbers: [23, 12] Generated Node #0,0,0: 39:[23, 12] Operation: 36/3=12 Exploring Operation: 36-23=13, Resulting Numbers: [3, 13] Generated Node #0,0,1: 39:[3, 13] Operation: 36-23=13 Exploring Operation: 23-3=20, Resulting Numbers: [36, 20] Generated Node #0,0,2: 39:[36, 20] Operation: 23-3=20 Exploring Operation: 23+3=26, Resulting Numbers: [36, 26] Generated Node #0,0,3: 39:[36, 26] Operation: 23+3=26 Exploring Operation: 36+3=39, Resulting Numbers: [23, 39] Generated Node #0,0,4: 39:[23, 39] Operation: 36+3=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[3, 13], Operations: ['84/28=3', '36-23=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,39 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,39 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[84, 23, 36, 28], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [23, 36, 3] Generated Node #0,0: 39:[23, 36, 3] Operation: 84/28=3 Moving to Node #0,0 Current State: 39:[23, 36, 3], Operations: ['84/28=3'] Exploring Operation: 36-23=13, Resulting Numbers: [3, 13] Generated Node #0,0,1: 39:[3, 13] Operation: 36-23=13 Moving to Node #0,0,1 Current State: 39:[3, 13], Operations: ['84/28=3', '36-23=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 26, 95, 98, 79 ]
35
[ "26+79=105", "98-95=3", "105/3=35" ]
Current State: 35:[26, 95, 98, 79], Operations: [] Exploring Operation: 26+79=105, Resulting Numbers: [95, 98, 105] Generated Node #2: [95, 98, 105] from Operation: 26+79=105 Current State: 35:[95, 98, 105], Operations: ['26+79=105'] Exploring Operation: 98-95=3, Resulting Numbers: [105, 3] Generated Node #3: [105, 3] from Operation: 98-95=3 Current State: 35:[105, 3], Operations: ['26+79=105', '98-95=3'] Exploring Operation: 105/3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[26, 95, 98, 79], Operations: [] Exploring Operation: 98-79=19, Resulting Numbers: [26, 95, 19] Generated Node #0,0: 35:[26, 95, 19] Operation: 98-79=19 Exploring Operation: 95-79=16, Resulting Numbers: [26, 98, 16] Generated Node #0,1: 35:[26, 98, 16] Operation: 95-79=16 Exploring Operation: 98-95=3, Resulting Numbers: [26, 79, 3] Generated Node #0,2: 35:[26, 79, 3] Operation: 98-95=3 Moving to Node #0,2 Current State: 35:[26, 79, 3], Operations: ['98-95=3'] Exploring Operation: 79-3=76, Resulting Numbers: [26, 76] Generated Node #0,2,0: 35:[26, 76] Operation: 79-3=76 Exploring Operation: 79-26=53, Resulting Numbers: [3, 53] Generated Node #0,2,1: 35:[3, 53] Operation: 79-26=53 Exploring Operation: 26+3=29, Resulting Numbers: [79, 29] Generated Node #0,2,2: 35:[79, 29] Operation: 26+3=29 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 35:[3, 53], Operations: ['98-95=3', '79-26=53'] Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 3+53=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 3*53=159, Resulting Numbers: [159] 159,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 35:[26, 76], Operations: ['98-95=3', '79-3=76'] Exploring Operation: 76-26=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 26+76=102, Resulting Numbers: [102] 102,35 unequal: No Solution Exploring Operation: 26*76=1976, Resulting Numbers: [1976] 1976,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 35:[79, 29], Operations: ['98-95=3', '26+3=29'] Exploring Operation: 79+29=108, Resulting Numbers: [108] 108,35 unequal: No Solution Exploring Operation: 79-29=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 79*29=2291, Resulting Numbers: [2291] 2291,35 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: 35:[26, 95, 19], Operations: ['98-79=19'] Exploring Operation: 95/19=5, Resulting Numbers: [26, 5] Generated Node #0,0,0: 35:[26, 5] Operation: 95/19=5 Exploring Operation: 95-19=76, Resulting Numbers: [26, 76] Generated Node #0,0,1: 35:[26, 76] Operation: 95-19=76 Exploring Operation: 95-26=69, Resulting Numbers: [19, 69] Generated Node #0,0,2: 35:[19, 69] Operation: 95-26=69 Moving to Node #0,1 Current State: 35:[26, 98, 16], Operations: ['95-79=16'] Exploring Operation: 98-16=82, Resulting Numbers: [26, 82] Generated Node #0,1,0: 35:[26, 82] Operation: 98-16=82 Exploring Operation: 26-16=10, Resulting Numbers: [98, 10] Generated Node #0,1,1: 35:[98, 10] Operation: 26-16=10 Exploring Operation: 98-26=72, Resulting Numbers: [16, 72] Generated Node #0,1,2: 35:[16, 72] Operation: 98-26=72 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[16, 72], Operations: ['95-79=16', '98-26=72'] Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,35 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[26, 82], Operations: ['95-79=16', '98-16=82'] Exploring Operation: 26*82=2132, Resulting Numbers: [2132] 2132,35 unequal: No Solution Exploring Operation: 82-26=56, Resulting Numbers: [56] 56,35 unequal: No Solution Exploring Operation: 26+82=108, Resulting Numbers: [108] 108,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[98, 10], Operations: ['95-79=16', '26-16=10'] Exploring Operation: 98+10=108, Resulting Numbers: [108] 108,35 unequal: No Solution Exploring Operation: 98-10=88, Resulting Numbers: [88] 88,35 unequal: No Solution Exploring Operation: 98*10=980, Resulting Numbers: [980] 980,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 35:[26, 5], Operations: ['98-79=19', '95/19=5'] Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,35 unequal: No Solution Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,35 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,35 unequal: No Solution Moving to Node #0,0,2 Current State: 35:[19, 69], Operations: ['98-79=19', '95-26=69'] Exploring Operation: 19+69=88, Resulting Numbers: [88] 88,35 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 19*69=1311, Resulting Numbers: [1311] 1311,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[26, 76], Operations: ['98-79=19', '95-19=76'] Exploring Operation: 76-26=50, Resulting Numbers: [50] 50,35 unequal: No Solution Exploring Operation: 26+76=102, Resulting Numbers: [102] 102,35 unequal: No Solution Exploring Operation: 26*76=1976, Resulting Numbers: [1976] 1976,35 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 36, 32, 50, 50 ]
25
[ "36-32=4", "50+50=100", "100/4=25" ]
Current State: 25:[36, 32, 50, 50], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [50, 50, 4] Generated Node #2: [50, 50, 4] from Operation: 36-32=4 Current State: 25:[50, 50, 4], Operations: ['36-32=4'] Exploring Operation: 50+50=100, Resulting Numbers: [4, 100] Generated Node #3: [4, 100] from Operation: 50+50=100 Current State: 25:[4, 100], Operations: ['36-32=4', '50+50=100'] Exploring Operation: 100/4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[36, 32, 50, 50], Operations: [] Exploring Operation: 50-50=0, Resulting Numbers: [36, 32, 0] Generated Node #0,0: 25:[36, 32, 0] Operation: 50-50=0 Exploring Operation: 50/50=1, Resulting Numbers: [36, 32, 1] Generated Node #0,1: 25:[36, 32, 1] Operation: 50/50=1 Exploring Operation: 50-36=14, Resulting Numbers: [32, 50, 14] Generated Node #0,2: 25:[32, 50, 14] Operation: 50-36=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[36, 32, 1], Operations: ['50/50=1'] Exploring Operation: 36-1=35, Resulting Numbers: [32, 35] Generated Node #0,1,0: 25:[32, 35] Operation: 36-1=35 Exploring Operation: 32-1=31, Resulting Numbers: [36, 31] Generated Node #0,1,1: 25:[36, 31] Operation: 32-1=31 Exploring Operation: 36-32=4, Resulting Numbers: [1, 4] Generated Node #0,1,2: 25:[1, 4] Operation: 36-32=4 Moving to Node #0,1,2 Current State: 25:[1, 4], Operations: ['50/50=1', '36-32=4'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,25 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[32, 35], Operations: ['50/50=1', '36-1=35'] Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 32*35=1120, Resulting Numbers: [1120] 1120,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[36, 31], Operations: ['50/50=1', '32-1=31'] Exploring Operation: 36+31=67, Resulting Numbers: [67] 67,25 unequal: No Solution Exploring Operation: 36*31=1116, Resulting Numbers: [1116] 1116,25 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[36, 32, 0], Operations: ['50-50=0'] Exploring Operation: 36-32=4, Resulting Numbers: [0, 4] Generated Node #0,0,0: 25:[0, 4] Operation: 36-32=4 Exploring Operation: 32*0=0, Resulting Numbers: [36, 0] Generated Node #0,0,1: 25:[36, 0] Operation: 32*0=0 Exploring Operation: 36*0=0, Resulting Numbers: [32, 0] Generated Node #0,0,2: 25:[32, 0] Operation: 36*0=0 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[0, 4], Operations: ['50-50=0', '36-32=4'] Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 0*4=0, Resulting Numbers: [0] 0,25 unequal: No Solution Exploring Operation: 0+4=4, Resulting Numbers: [4] 4,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 25:[32, 0], Operations: ['50-50=0', '36*0=0'] Exploring Operation: 32-0=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 32*0=0, Resulting Numbers: [0] 0,25 unequal: No Solution Exploring Operation: 32+0=32, Resulting Numbers: [32] 32,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 25:[36, 0], Operations: ['50-50=0', '32*0=0'] Exploring Operation: 36+0=36, Resulting Numbers: [36] 36,25 unequal: No Solution Exploring Operation: 36*0=0, Resulting Numbers: [0] 0,25 unequal: No Solution Exploring Operation: 36-0=36, Resulting Numbers: [36] 36,25 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: 25:[32, 50, 14], Operations: ['50-36=14'] Exploring Operation: 50-14=36, Resulting Numbers: [32, 36] Generated Node #0,2,0: 25:[32, 36] Operation: 50-14=36 Exploring Operation: 32-14=18, Resulting Numbers: [50, 18] Generated Node #0,2,1: 25:[50, 18] Operation: 32-14=18 Exploring Operation: 50-32=18, Resulting Numbers: [14, 18] Generated Node #0,2,2: 25:[14, 18] Operation: 50-32=18 Moving to Node #0,2,2 Current State: 25:[14, 18], Operations: ['50-36=14', '50-32=18'] Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[32, 36], Operations: ['50-36=14', '50-14=36'] Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,25 unequal: No Solution Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,25 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[50, 18], Operations: ['50-36=14', '32-14=18'] Exploring Operation: 50+18=68, Resulting Numbers: [68] 68,25 unequal: No Solution Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 50*18=900, Resulting Numbers: [900] 900,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 49, 36, 27, 36 ]
27
[ "49*27=1323", "36*36=1296", "1323-1296=27" ]
Current State: 27:[49, 36, 27, 36], Operations: [] Exploring Operation: 49*27=1323, Resulting Numbers: [36, 36, 1323] Generated Node #2: [36, 36, 1323] from Operation: 49*27=1323 Current State: 27:[36, 36, 1323], Operations: ['49*27=1323'] Exploring Operation: 36*36=1296, Resulting Numbers: [1323, 1296] Generated Node #3: [1323, 1296] from Operation: 36*36=1296 Current State: 27:[1323, 1296], Operations: ['49*27=1323', '36*36=1296'] Exploring Operation: 1323-1296=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[49, 36, 27, 36], Operations: [] Exploring Operation: 49-36=13, Resulting Numbers: [27, 36, 13] Generated Node #0,0: 27:[27, 36, 13] Operation: 49-36=13 Exploring Operation: 49-36=13, Resulting Numbers: [36, 27, 13] Generated Node #0,1: 27:[36, 27, 13] Operation: 49-36=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[27, 36, 13], Operations: ['49-36=13'] Exploring Operation: 36-13=23, Resulting Numbers: [27, 23] Generated Node #0,0,0: 27:[27, 23] Operation: 36-13=23 Exploring Operation: 36-27=9, Resulting Numbers: [13, 9] Generated Node #0,0,1: 27:[13, 9] Operation: 36-27=9 Moving to Node #0,0,0 Current State: 27:[27, 23], Operations: ['49-36=13', '36-13=23'] Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[13, 9], Operations: ['49-36=13', '36-27=9'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[36, 27, 13], Operations: ['49-36=13'] Exploring Operation: 36-13=23, Resulting Numbers: [27, 23] Generated Node #0,1,0: 27:[27, 23] Operation: 36-13=23 Exploring Operation: 36-27=9, Resulting Numbers: [13, 9] Generated Node #0,1,1: 27:[13, 9] Operation: 36-27=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[27, 23], Operations: ['49-36=13', '36-13=23'] Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[13, 9], Operations: ['49-36=13', '36-27=9'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 16, 7, 29, 90 ]
15
[ "16+7=23", "29-23=6", "90/6=15" ]
Current State: 15:[16, 7, 29, 90], Operations: [] Exploring Operation: 16+7=23, Resulting Numbers: [29, 90, 23] Generated Node #2: [29, 90, 23] from Operation: 16+7=23 Current State: 15:[29, 90, 23], Operations: ['16+7=23'] Exploring Operation: 29-23=6, Resulting Numbers: [90, 6] Generated Node #3: [90, 6] from Operation: 29-23=6 Current State: 15:[90, 6], Operations: ['16+7=23', '29-23=6'] Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[16, 7, 29, 90], Operations: [] Exploring Operation: 90-29=61, Resulting Numbers: [16, 7, 61] Generated Node #0,0: 15:[16, 7, 61] Operation: 90-29=61 Moving to Node #0,0 Current State: 15:[16, 7, 61], Operations: ['90-29=61'] Exploring Operation: 61-16=45, Resulting Numbers: [7, 45] Generated Node #0,0,0: 15:[7, 45] Operation: 61-16=45 Moving to Node #0,0,0 Current State: 15:[7, 45], Operations: ['90-29=61', '61-16=45'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,15 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 96, 84, 20, 10 ]
24
[ "96-84=12", "20/10=2", "12*2=24" ]
Current State: 24:[96, 84, 20, 10], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [20, 10, 12] Generated Node #2: [20, 10, 12] from Operation: 96-84=12 Current State: 24:[20, 10, 12], Operations: ['96-84=12'] Exploring Operation: 20/10=2, Resulting Numbers: [12, 2] Generated Node #3: [12, 2] from Operation: 20/10=2 Current State: 24:[12, 2], Operations: ['96-84=12', '20/10=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[96, 84, 20, 10], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [20, 10, 12] Generated Node #0,0: 24:[20, 10, 12] Operation: 96-84=12 Exploring Operation: 96-20=76, Resulting Numbers: [84, 10, 76] Generated Node #0,1: 24:[84, 10, 76] Operation: 96-20=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[20, 10, 12], Operations: ['96-84=12'] Exploring Operation: 20/10=2, Resulting Numbers: [12, 2] Generated Node #0,0,0: 24:[12, 2] Operation: 20/10=2 Exploring Operation: 20-10=10, Resulting Numbers: [12, 10] Generated Node #0,0,1: 24:[12, 10] Operation: 20-10=10 Moving to Node #0,0,0 Current State: 24:[12, 2], Operations: ['96-84=12', '20/10=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[96, 84, 20, 10], Operations: [] Exploring Operation: 96-84=12, Resulting Numbers: [20, 10, 12] Generated Node #0,0: 24:[20, 10, 12] Operation: 96-84=12 Moving to Node #0,0 Current State: 24:[20, 10, 12], Operations: ['96-84=12'] Exploring Operation: 20/10=2, Resulting Numbers: [12, 2] Generated Node #0,0,0: 24:[12, 2] Operation: 20/10=2 Moving to Node #0,0,0 Current State: 24:[12, 2], Operations: ['96-84=12', '20/10=2'] Exploring Operation: 12*2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 94, 65, 36, 87 ]
89
[ "94+36=130", "130/65=2", "87+2=89" ]
Current State: 89:[94, 65, 36, 87], Operations: [] Exploring Operation: 94+36=130, Resulting Numbers: [65, 87, 130] Generated Node #2: [65, 87, 130] from Operation: 94+36=130 Current State: 89:[65, 87, 130], Operations: ['94+36=130'] Exploring Operation: 130/65=2, Resulting Numbers: [87, 2] Generated Node #3: [87, 2] from Operation: 130/65=2 Current State: 89:[87, 2], Operations: ['94+36=130', '130/65=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[94, 65, 36, 87], Operations: [] Exploring Operation: 94+36=130, Resulting Numbers: [65, 87, 130] Generated Node #0,0: 89:[65, 87, 130] Operation: 94+36=130 Exploring Operation: 65+36=101, Resulting Numbers: [94, 87, 101] Generated Node #0,1: 89:[94, 87, 101] Operation: 65+36=101 Exploring Operation: 94-36=58, Resulting Numbers: [65, 87, 58] Generated Node #0,2: 89:[65, 87, 58] Operation: 94-36=58 Exploring Operation: 36+87=123, Resulting Numbers: [94, 65, 123] Generated Node #0,3: 89:[94, 65, 123] Operation: 36+87=123 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[94, 87, 101], Operations: ['65+36=101'] Exploring Operation: 101-87=14, Resulting Numbers: [94, 14] Generated Node #0,1,0: 89:[94, 14] Operation: 101-87=14 Exploring Operation: 101-94=7, Resulting Numbers: [87, 7] Generated Node #0,1,1: 89:[87, 7] Operation: 101-94=7 Exploring Operation: 94-87=7, Resulting Numbers: [101, 7] Generated Node #0,1,2: 89:[101, 7] Operation: 94-87=7 Exploring Operation: 94+87=181, Resulting Numbers: [101, 181] Generated Node #0,1,3: 89:[101, 181] Operation: 94+87=181 Moving to Node #0,1,0 Current State: 89:[94, 14], Operations: ['65+36=101', '101-87=14'] Exploring Operation: 94*14=1316, Resulting Numbers: [1316] 1316,89 unequal: No Solution Exploring Operation: 94+14=108, Resulting Numbers: [108] 108,89 unequal: No Solution Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[87, 7], Operations: ['65+36=101', '101-94=7'] Exploring Operation: 87*7=609, Resulting Numbers: [609] 609,89 unequal: No Solution Exploring Operation: 87+7=94, Resulting Numbers: [94] 94,89 unequal: No Solution Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[101, 7], Operations: ['65+36=101', '94-87=7'] Exploring Operation: 101*7=707, Resulting Numbers: [707] 707,89 unequal: No Solution Exploring Operation: 101+7=108, Resulting Numbers: [108] 108,89 unequal: No Solution Exploring Operation: 101-7=94, Resulting Numbers: [94] 94,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[101, 181], Operations: ['65+36=101', '94+87=181'] Exploring Operation: 101*181=18281, Resulting Numbers: [18281] 18281,89 unequal: No Solution Exploring Operation: 101+181=282, Resulting Numbers: [282] 282,89 unequal: No Solution Exploring Operation: 181-101=80, Resulting Numbers: [80] 80,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[65, 87, 58], Operations: ['94-36=58'] Exploring Operation: 87-58=29, Resulting Numbers: [65, 29] Generated Node #0,2,0: 89:[65, 29] Operation: 87-58=29 Exploring Operation: 65+58=123, Resulting Numbers: [87, 123] Generated Node #0,2,1: 89:[87, 123] Operation: 65+58=123 Exploring Operation: 87+58=145, Resulting Numbers: [65, 145] Generated Node #0,2,2: 89:[65, 145] Operation: 87+58=145 Exploring Operation: 65-58=7, Resulting Numbers: [87, 7] Generated Node #0,2,3: 89:[87, 7] Operation: 65-58=7 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[87, 123], Operations: ['94-36=58', '65+58=123'] Exploring Operation: 87+123=210, Resulting Numbers: [210] 210,89 unequal: No Solution Exploring Operation: 123-87=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 87*123=10701, Resulting Numbers: [10701] 10701,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 89:[65, 145], Operations: ['94-36=58', '87+58=145'] Exploring Operation: 145-65=80, Resulting Numbers: [80] 80,89 unequal: No Solution Exploring Operation: 65*145=9425, Resulting Numbers: [9425] 9425,89 unequal: No Solution Exploring Operation: 65+145=210, Resulting Numbers: [210] 210,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 89:[65, 29], Operations: ['94-36=58', '87-58=29'] Exploring Operation: 65+29=94, Resulting Numbers: [94] 94,89 unequal: No Solution Exploring Operation: 65*29=1885, Resulting Numbers: [1885] 1885,89 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 89:[87, 7], Operations: ['94-36=58', '65-58=7'] Exploring Operation: 87+7=94, Resulting Numbers: [94] 94,89 unequal: No Solution Exploring Operation: 87*7=609, Resulting Numbers: [609] 609,89 unequal: No Solution Exploring Operation: 87-7=80, Resulting Numbers: [80] 80,89 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 #0,3 Current State: 89:[94, 65, 123], Operations: ['36+87=123'] Exploring Operation: 94+65=159, Resulting Numbers: [123, 159] Generated Node #0,3,0: 89:[123, 159] Operation: 94+65=159 Exploring Operation: 94-65=29, Resulting Numbers: [123, 29] Generated Node #0,3,1: 89:[123, 29] Operation: 94-65=29 Exploring Operation: 123-94=29, Resulting Numbers: [65, 29] Generated Node #0,3,2: 89:[65, 29] Operation: 123-94=29 Exploring Operation: 123-65=58, Resulting Numbers: [94, 58] Generated Node #0,3,3: 89:[94, 58] Operation: 123-65=58 Moving to Node #0,3,3 Current State: 89:[94, 58], Operations: ['36+87=123', '123-65=58'] Exploring Operation: 94-58=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 94+58=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 94*58=5452, Resulting Numbers: [5452] 5452,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[65, 29], Operations: ['36+87=123', '123-94=29'] Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 65+29=94, Resulting Numbers: [94] 94,89 unequal: No Solution Exploring Operation: 65*29=1885, Resulting Numbers: [1885] 1885,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[123, 29], Operations: ['36+87=123', '94-65=29'] Exploring Operation: 123-29=94, Resulting Numbers: [94] 94,89 unequal: No Solution Exploring Operation: 123+29=152, Resulting Numbers: [152] 152,89 unequal: No Solution Exploring Operation: 123*29=3567, Resulting Numbers: [3567] 3567,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[123, 159], Operations: ['36+87=123', '94+65=159'] Exploring Operation: 159-123=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 123+159=282, Resulting Numbers: [282] 282,89 unequal: No Solution Exploring Operation: 123*159=19557, Resulting Numbers: [19557] 19557,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[65, 87, 130], Operations: ['94+36=130'] Exploring Operation: 130-65=65, Resulting Numbers: [87, 65] Generated Node #0,0,0: 89:[87, 65] Operation: 130-65=65 Exploring Operation: 130-87=43, Resulting Numbers: [65, 43] Generated Node #0,0,1: 89:[65, 43] Operation: 130-87=43 Exploring Operation: 65+87=152, Resulting Numbers: [130, 152] Generated Node #0,0,2: 89:[130, 152] Operation: 65+87=152 Exploring Operation: 130/65=2, Resulting Numbers: [87, 2] Generated Node #0,0,3: 89:[87, 2] Operation: 130/65=2 Moving to Node #0,0,0 Current State: 89:[87, 65], Operations: ['94+36=130', '130-65=65'] Exploring Operation: 87-65=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 87*65=5655, Resulting Numbers: [5655] 5655,89 unequal: No Solution Exploring Operation: 87+65=152, Resulting Numbers: [152] 152,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[65, 43], Operations: ['94+36=130', '130-87=43'] Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 65+43=108, Resulting Numbers: [108] 108,89 unequal: No Solution Exploring Operation: 65*43=2795, Resulting Numbers: [2795] 2795,89 unequal: No Solution Moving to Node #0,0,3 Current State: 89:[87, 2], Operations: ['94+36=130', '130/65=2'] Exploring Operation: 87*2=174, Resulting Numbers: [174] 174,89 unequal: No Solution Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,89 unequal: No Solution Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[94, 65, 36, 87], Operations: [] Exploring Operation: 94+36=130, Resulting Numbers: [65, 87, 130] Generated Node #0,0: 89:[65, 87, 130] Operation: 94+36=130 Moving to Node #0,0 Current State: 89:[65, 87, 130], Operations: ['94+36=130'] Exploring Operation: 130/65=2, Resulting Numbers: [87, 2] Generated Node #0,0,3: 89:[87, 2] Operation: 130/65=2 Moving to Node #0,0,3 Current State: 89:[87, 2], Operations: ['94+36=130', '130/65=2'] Exploring Operation: 87+2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.940104
hs_4
mult_heuristic
[ 36, 63, 92, 45 ]
20
[ "63-36=27", "92-45=47", "47-27=20" ]
Current State: 20:[36, 63, 92, 45], Operations: [] Exploring Operation: 63-36=27, Resulting Numbers: [92, 45, 27] Generated Node #2: [92, 45, 27] from Operation: 63-36=27 Current State: 20:[92, 45, 27], Operations: ['63-36=27'] Exploring Operation: 92-45=47, Resulting Numbers: [27, 47] Generated Node #3: [27, 47] from Operation: 92-45=47 Current State: 20:[27, 47], Operations: ['63-36=27', '92-45=47'] Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[36, 63, 92, 45], Operations: [] Exploring Operation: 63-45=18, Resulting Numbers: [36, 92, 18] Generated Node #0,0: 20:[36, 92, 18] Operation: 63-45=18 Exploring Operation: 92-45=47, Resulting Numbers: [36, 63, 47] Generated Node #0,1: 20:[36, 63, 47] Operation: 92-45=47 Exploring Operation: 63-36=27, Resulting Numbers: [92, 45, 27] Generated Node #0,2: 20:[92, 45, 27] Operation: 63-36=27 Exploring Operation: 92-63=29, Resulting Numbers: [36, 45, 29] Generated Node #0,3: 20:[36, 45, 29] Operation: 92-63=29 Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[36, 45, 29], Operations: ['92-63=29'] Exploring Operation: 36-29=7, Resulting Numbers: [45, 7] Generated Node #0,3,0: 20:[45, 7] Operation: 36-29=7 Exploring Operation: 45-29=16, Resulting Numbers: [36, 16] Generated Node #0,3,1: 20:[36, 16] Operation: 45-29=16 Exploring Operation: 45-36=9, Resulting Numbers: [29, 9] Generated Node #0,3,2: 20:[29, 9] Operation: 45-36=9 Exploring Operation: 36+45=81, Resulting Numbers: [29, 81] Generated Node #0,3,3: 20:[29, 81] Operation: 36+45=81 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 20:[29, 9], Operations: ['92-63=29', '45-36=9'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[36, 63, 92, 45], Operations: [] Exploring Operation: 92-63=29, Resulting Numbers: [36, 45, 29] Generated Node #0,3: 20:[36, 45, 29] Operation: 92-63=29 Moving to Node #0,3 Current State: 20:[36, 45, 29], Operations: ['92-63=29'] Exploring Operation: 45-36=9, Resulting Numbers: [29, 9] Generated Node #0,3,2: 20:[29, 9] Operation: 45-36=9 Moving to Node #0,3,2 Current State: 20:[29, 9], Operations: ['92-63=29', '45-36=9'] Exploring Operation: 29-9=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 42, 55, 42, 35 ]
89
[ "42/42=1", "55+35=90", "90-1=89" ]
Current State: 89:[42, 55, 42, 35], Operations: [] Exploring Operation: 42/42=1, Resulting Numbers: [55, 35, 1] Generated Node #2: [55, 35, 1] from Operation: 42/42=1 Current State: 89:[55, 35, 1], Operations: ['42/42=1'] Exploring Operation: 55+35=90, Resulting Numbers: [1, 90] Generated Node #3: [1, 90] from Operation: 55+35=90 Current State: 89:[1, 90], Operations: ['42/42=1', '55+35=90'] Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[42, 55, 42, 35], Operations: [] Exploring Operation: 42+35=77, Resulting Numbers: [55, 42, 77] Generated Node #0,0: 89:[55, 42, 77] Operation: 42+35=77 Exploring Operation: 55+35=90, Resulting Numbers: [42, 42, 90] Generated Node #0,1: 89:[42, 42, 90] Operation: 55+35=90 Exploring Operation: 42+42=84, Resulting Numbers: [55, 35, 84] Generated Node #0,2: 89:[55, 35, 84] Operation: 42+42=84 Exploring Operation: 42+35=77, Resulting Numbers: [42, 55, 77] Generated Node #0,3: 89:[42, 55, 77] Operation: 42+35=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[55, 42, 77], Operations: ['42+35=77'] Exploring Operation: 77-42=35, Resulting Numbers: [55, 35] Generated Node #0,0,0: 89:[55, 35] Operation: 77-42=35 Exploring Operation: 42+77=119, Resulting Numbers: [55, 119] Generated Node #0,0,1: 89:[55, 119] Operation: 42+77=119 Exploring Operation: 55+42=97, Resulting Numbers: [77, 97] Generated Node #0,0,2: 89:[77, 97] Operation: 55+42=97 Exploring Operation: 55-42=13, Resulting Numbers: [77, 13] Generated Node #0,0,3: 89:[77, 13] Operation: 55-42=13 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 89:[77, 97], Operations: ['42+35=77', '55+42=97'] Exploring Operation: 77+97=174, Resulting Numbers: [174] 174,89 unequal: No Solution Exploring Operation: 97-77=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 77*97=7469, Resulting Numbers: [7469] 7469,89 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 #0,0,1 Current State: 89:[55, 119], Operations: ['42+35=77', '42+77=119'] Exploring Operation: 55*119=6545, Resulting Numbers: [6545] 6545,89 unequal: No Solution Exploring Operation: 55+119=174, Resulting Numbers: [174] 174,89 unequal: No Solution Exploring Operation: 119-55=64, Resulting Numbers: [64] 64,89 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:[55, 35], Operations: ['42+35=77', '77-42=35'] Exploring Operation: 55*35=1925, Resulting Numbers: [1925] 1925,89 unequal: No Solution Exploring Operation: 55-35=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 55+35=90, Resulting Numbers: [90] 90,89 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 #0,0,3 Current State: 89:[77, 13], Operations: ['42+35=77', '55-42=13'] Exploring Operation: 77+13=90, Resulting Numbers: [90] 90,89 unequal: No Solution Exploring Operation: 77*13=1001, Resulting Numbers: [1001] 1001,89 unequal: No Solution Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,89 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 #0,2 Current State: 89:[55, 35, 84], Operations: ['42+42=84'] Exploring Operation: 35+84=119, Resulting Numbers: [55, 119] Generated Node #0,2,0: 89:[55, 119] Operation: 35+84=119 Exploring Operation: 55+35=90, Resulting Numbers: [84, 90] Generated Node #0,2,1: 89:[84, 90] Operation: 55+35=90 Exploring Operation: 84-35=49, Resulting Numbers: [55, 49] Generated Node #0,2,2: 89:[55, 49] Operation: 84-35=49 Exploring Operation: 55-35=20, Resulting Numbers: [84, 20] Generated Node #0,2,3: 89:[84, 20] Operation: 55-35=20 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[84, 90], Operations: ['42+42=84', '55+35=90'] Exploring Operation: 84+90=174, Resulting Numbers: [174] 174,89 unequal: No Solution Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,89 unequal: No Solution Exploring Operation: 84*90=7560, Resulting Numbers: [7560] 7560,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 89:[55, 119], Operations: ['42+42=84', '35+84=119'] Exploring Operation: 119-55=64, Resulting Numbers: [64] 64,89 unequal: No Solution Exploring Operation: 55*119=6545, Resulting Numbers: [6545] 6545,89 unequal: No Solution Exploring Operation: 55+119=174, Resulting Numbers: [174] 174,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 89:[55, 49], Operations: ['42+42=84', '84-35=49'] Exploring Operation: 55+49=104, Resulting Numbers: [104] 104,89 unequal: No Solution Exploring Operation: 55*49=2695, Resulting Numbers: [2695] 2695,89 unequal: No Solution Exploring Operation: 55-49=6, Resulting Numbers: [6] 6,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 89:[84, 20], Operations: ['42+42=84', '55-35=20'] Exploring Operation: 84*20=1680, Resulting Numbers: [1680] 1680,89 unequal: No Solution Exploring Operation: 84+20=104, Resulting Numbers: [104] 104,89 unequal: No Solution Exploring Operation: 84-20=64, Resulting Numbers: [64] 64,89 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 #0,3 Current State: 89:[42, 55, 77], Operations: ['42+35=77'] Exploring Operation: 55-42=13, Resulting Numbers: [77, 13] Generated Node #0,3,0: 89:[77, 13] Operation: 55-42=13 Exploring Operation: 42+55=97, Resulting Numbers: [77, 97] Generated Node #0,3,1: 89:[77, 97] Operation: 42+55=97 Exploring Operation: 42+77=119, Resulting Numbers: [55, 119] Generated Node #0,3,2: 89:[55, 119] Operation: 42+77=119 Exploring Operation: 77-42=35, Resulting Numbers: [55, 35] Generated Node #0,3,3: 89:[55, 35] Operation: 77-42=35 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 89:[77, 97], Operations: ['42+35=77', '42+55=97'] Exploring Operation: 77+97=174, Resulting Numbers: [174] 174,89 unequal: No Solution Exploring Operation: 77*97=7469, Resulting Numbers: [7469] 7469,89 unequal: No Solution Exploring Operation: 97-77=20, Resulting Numbers: [20] 20,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 89:[55, 119], Operations: ['42+35=77', '42+77=119'] Exploring Operation: 55+119=174, Resulting Numbers: [174] 174,89 unequal: No Solution Exploring Operation: 55*119=6545, Resulting Numbers: [6545] 6545,89 unequal: No Solution Exploring Operation: 119-55=64, Resulting Numbers: [64] 64,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 89:[77, 13], Operations: ['42+35=77', '55-42=13'] Exploring Operation: 77+13=90, Resulting Numbers: [90] 90,89 unequal: No Solution Exploring Operation: 77*13=1001, Resulting Numbers: [1001] 1001,89 unequal: No Solution Exploring Operation: 77-13=64, Resulting Numbers: [64] 64,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 89:[55, 35], Operations: ['42+35=77', '77-42=35'] Exploring Operation: 55+35=90, Resulting Numbers: [90] 90,89 unequal: No Solution Exploring Operation: 55*35=1925, Resulting Numbers: [1925] 1925,89 unequal: No Solution Exploring Operation: 55-35=20, Resulting Numbers: [20] 20,89 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:[42, 42, 90], Operations: ['55+35=90'] Exploring Operation: 90-42=48, Resulting Numbers: [42, 48] Generated Node #0,1,0: 89:[42, 48] Operation: 90-42=48 Exploring Operation: 42+42=84, Resulting Numbers: [90, 84] Generated Node #0,1,1: 89:[90, 84] Operation: 42+42=84 Exploring Operation: 42/42=1, Resulting Numbers: [90, 1] Generated Node #0,1,2: 89:[90, 1] Operation: 42/42=1 Exploring Operation: 90-42=48, Resulting Numbers: [42, 48] Generated Node #0,1,3: 89:[42, 48] Operation: 90-42=48 Moving to Node #0,1,1 Current State: 89:[90, 84], Operations: ['55+35=90', '42+42=84'] Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,89 unequal: No Solution Exploring Operation: 90*84=7560, Resulting Numbers: [7560] 7560,89 unequal: No Solution Exploring Operation: 90+84=174, Resulting Numbers: [174] 174,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[42, 48], Operations: ['55+35=90', '90-42=48'] Exploring Operation: 42+48=90, Resulting Numbers: [90] 90,89 unequal: No Solution Exploring Operation: 42*48=2016, Resulting Numbers: [2016] 2016,89 unequal: No Solution Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[42, 48], Operations: ['55+35=90', '90-42=48'] Exploring Operation: 42*48=2016, Resulting Numbers: [2016] 2016,89 unequal: No Solution Exploring Operation: 42+48=90, Resulting Numbers: [90] 90,89 unequal: No Solution Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[90, 1], Operations: ['55+35=90', '42/42=1'] Exploring Operation: 90+1=91, Resulting Numbers: [91] 91,89 unequal: No Solution Exploring Operation: 90*1=90, Resulting Numbers: [90] 90,89 unequal: No Solution Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[42, 55, 42, 35], Operations: [] Exploring Operation: 55+35=90, Resulting Numbers: [42, 42, 90] Generated Node #0,1: 89:[42, 42, 90] Operation: 55+35=90 Moving to Node #0,1 Current State: 89:[42, 42, 90], Operations: ['55+35=90'] Exploring Operation: 42/42=1, Resulting Numbers: [90, 1] Generated Node #0,1,2: 89:[90, 1] Operation: 42/42=1 Moving to Node #0,1,2 Current State: 89:[90, 1], Operations: ['55+35=90', '42/42=1'] Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.9375
hs_4
mult_heuristic
[ 13, 38, 80, 97 ]
42
[ "38-13=25", "97-80=17", "25+17=42" ]
Current State: 42:[13, 38, 80, 97], Operations: [] Exploring Operation: 38-13=25, Resulting Numbers: [80, 97, 25] Generated Node #2: [80, 97, 25] from Operation: 38-13=25 Current State: 42:[80, 97, 25], Operations: ['38-13=25'] Exploring Operation: 97-80=17, Resulting Numbers: [25, 17] Generated Node #3: [25, 17] from Operation: 97-80=17 Current State: 42:[25, 17], Operations: ['38-13=25', '97-80=17'] Exploring Operation: 25+17=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[13, 38, 80, 97], Operations: [] Exploring Operation: 80-38=42, Resulting Numbers: [13, 97, 42] Generated Node #0,0: 42:[13, 97, 42] Operation: 80-38=42 Exploring Operation: 80-13=67, Resulting Numbers: [38, 97, 67] Generated Node #0,1: 42:[38, 97, 67] Operation: 80-13=67 Exploring Operation: 97-80=17, Resulting Numbers: [13, 38, 17] Generated Node #0,2: 42:[13, 38, 17] Operation: 97-80=17 Exploring Operation: 97-38=59, Resulting Numbers: [13, 80, 59] Generated Node #0,3: 42:[13, 80, 59] Operation: 97-38=59 Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[13, 38, 17], Operations: ['97-80=17'] Exploring Operation: 38-17=21, Resulting Numbers: [13, 21] Generated Node #0,2,0: 42:[13, 21] Operation: 38-17=21 Exploring Operation: 17-13=4, Resulting Numbers: [38, 4] Generated Node #0,2,1: 42:[38, 4] Operation: 17-13=4 Exploring Operation: 38-13=25, Resulting Numbers: [17, 25] Generated Node #0,2,2: 42:[17, 25] Operation: 38-13=25 Exploring Operation: 13+38=51, Resulting Numbers: [17, 51] Generated Node #0,2,3: 42:[17, 51] Operation: 13+38=51 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 42:[13, 21], Operations: ['97-80=17', '38-17=21'] Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,42 unequal: No Solution Exploring Operation: 13*21=273, Resulting Numbers: [273] 273,42 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 42:[38, 4], Operations: ['97-80=17', '17-13=4'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,42 unequal: No Solution Exploring Operation: 38*4=152, Resulting Numbers: [152] 152,42 unequal: No Solution Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[13, 38, 80, 97], Operations: [] Exploring Operation: 97-80=17, Resulting Numbers: [13, 38, 17] Generated Node #0,2: 42:[13, 38, 17] Operation: 97-80=17 Moving to Node #0,2 Current State: 42:[13, 38, 17], Operations: ['97-80=17'] Exploring Operation: 17-13=4, Resulting Numbers: [38, 4] Generated Node #0,2,1: 42:[38, 4] Operation: 17-13=4 Moving to Node #0,2,1 Current State: 42:[38, 4], Operations: ['97-80=17', '17-13=4'] Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 6, 23, 89, 37 ]
12
[ "6*23=138", "89+37=126", "138-126=12" ]
Current State: 12:[6, 23, 89, 37], Operations: [] Exploring Operation: 6*23=138, Resulting Numbers: [89, 37, 138] Generated Node #2: [89, 37, 138] from Operation: 6*23=138 Current State: 12:[89, 37, 138], Operations: ['6*23=138'] Exploring Operation: 89+37=126, Resulting Numbers: [138, 126] Generated Node #3: [138, 126] from Operation: 89+37=126 Current State: 12:[138, 126], Operations: ['6*23=138', '89+37=126'] Exploring Operation: 138-126=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[6, 23, 89, 37], Operations: [] Exploring Operation: 89-6=83, Resulting Numbers: [23, 37, 83] Generated Node #0,0: 12:[23, 37, 83] Operation: 89-6=83 Exploring Operation: 37-23=14, Resulting Numbers: [6, 89, 14] Generated Node #0,1: 12:[6, 89, 14] Operation: 37-23=14 Exploring Operation: 23-6=17, Resulting Numbers: [89, 37, 17] Generated Node #0,2: 12:[89, 37, 17] Operation: 23-6=17 Exploring Operation: 89-37=52, Resulting Numbers: [6, 23, 52] Generated Node #0,3: 12:[6, 23, 52] Operation: 89-37=52 Exploring Operation: 89-23=66, Resulting Numbers: [6, 37, 66] Generated Node #0,4: 12:[6, 37, 66] Operation: 89-23=66 Moving to Node #0,3 Current State: 12:[6, 23, 52], Operations: ['89-37=52'] Exploring Operation: 6+23=29, Resulting Numbers: [52, 29] Generated Node #0,3,0: 12:[52, 29] Operation: 6+23=29 Exploring Operation: 52-6=46, Resulting Numbers: [23, 46] Generated Node #0,3,1: 12:[23, 46] Operation: 52-6=46 Exploring Operation: 23-6=17, Resulting Numbers: [52, 17] Generated Node #0,3,2: 12:[52, 17] Operation: 23-6=17 Exploring Operation: 6+52=58, Resulting Numbers: [23, 58] Generated Node #0,3,3: 12:[23, 58] Operation: 6+52=58 Exploring Operation: 52-23=29, Resulting Numbers: [6, 29] Generated Node #0,3,4: 12:[6, 29] Operation: 52-23=29 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 12:[6, 29], Operations: ['89-37=52', '52-23=29'] Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,12 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,12 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 12:[23, 46], Operations: ['89-37=52', '52-6=46'] Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,12 unequal: No Solution Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 23*46=1058, Resulting Numbers: [1058] 1058,12 unequal: No Solution Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 12:[52, 17], Operations: ['89-37=52', '23-6=17'] Exploring Operation: 52*17=884, Resulting Numbers: [884] 884,12 unequal: No Solution Exploring Operation: 52+17=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 12:[52, 29], Operations: ['89-37=52', '6+23=29'] Exploring Operation: 52-29=23, Resulting Numbers: [23] 23,12 unequal: No Solution Exploring Operation: 52*29=1508, Resulting Numbers: [1508] 1508,12 unequal: No Solution Exploring Operation: 52+29=81, Resulting Numbers: [81] 81,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 12:[23, 58], Operations: ['89-37=52', '6+52=58'] Exploring Operation: 58-23=35, Resulting Numbers: [35] 35,12 unequal: No Solution Exploring Operation: 23*58=1334, Resulting Numbers: [1334] 1334,12 unequal: No Solution Exploring Operation: 23+58=81, Resulting Numbers: [81] 81,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 12:[6, 37, 66], Operations: ['89-23=66'] Exploring Operation: 6+37=43, Resulting Numbers: [66, 43] Generated Node #0,4,0: 12:[66, 43] Operation: 6+37=43 Exploring Operation: 66/6=11, Resulting Numbers: [37, 11] Generated Node #0,4,1: 12:[37, 11] Operation: 66/6=11 Exploring Operation: 37-6=31, Resulting Numbers: [66, 31] Generated Node #0,4,2: 12:[66, 31] Operation: 37-6=31 Exploring Operation: 66-6=60, Resulting Numbers: [37, 60] Generated Node #0,4,3: 12:[37, 60] Operation: 66-6=60 Exploring Operation: 66-37=29, Resulting Numbers: [6, 29] Generated Node #0,4,4: 12:[6, 29] Operation: 66-37=29 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 12:[6, 29], Operations: ['89-23=66', '66-37=29'] Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,12 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,12 unequal: No Solution Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 12:[37, 11], Operations: ['89-23=66', '66/6=11'] Exploring Operation: 37-11=26, Resulting Numbers: [26] 26,12 unequal: No Solution Exploring Operation: 37+11=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 37*11=407, Resulting Numbers: [407] 407,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 12:[66, 31], Operations: ['89-23=66', '37-6=31'] Exploring Operation: 66-31=35, Resulting Numbers: [35] 35,12 unequal: No Solution Exploring Operation: 66+31=97, Resulting Numbers: [97] 97,12 unequal: No Solution Exploring Operation: 66*31=2046, Resulting Numbers: [2046] 2046,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 12:[37, 60], Operations: ['89-23=66', '66-6=60'] Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,12 unequal: No Solution Exploring Operation: 37*60=2220, Resulting Numbers: [2220] 2220,12 unequal: No Solution Exploring Operation: 37+60=97, Resulting Numbers: [97] 97,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 12:[66, 43], Operations: ['89-23=66', '6+37=43'] Exploring Operation: 66*43=2838, Resulting Numbers: [2838] 2838,12 unequal: No Solution Exploring Operation: 66+43=109, Resulting Numbers: [109] 109,12 unequal: No Solution Exploring Operation: 66-43=23, Resulting Numbers: [23] 23,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 12:[6, 89, 14], Operations: ['37-23=14'] Exploring Operation: 89-14=75, Resulting Numbers: [6, 75] Generated Node #0,1,0: 12:[6, 75] Operation: 89-14=75 Exploring Operation: 6+14=20, Resulting Numbers: [89, 20] Generated Node #0,1,1: 12:[89, 20] Operation: 6+14=20 Exploring Operation: 14-6=8, Resulting Numbers: [89, 8] Generated Node #0,1,2: 12:[89, 8] Operation: 14-6=8 Exploring Operation: 89-6=83, Resulting Numbers: [14, 83] Generated Node #0,1,3: 12:[14, 83] Operation: 89-6=83 Exploring Operation: 6+89=95, Resulting Numbers: [14, 95] Generated Node #0,1,4: 12:[14, 95] Operation: 6+89=95 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[6, 75], Operations: ['37-23=14', '89-14=75'] Exploring Operation: 75-6=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 6+75=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 6*75=450, Resulting Numbers: [450] 450,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 12:[14, 83], Operations: ['37-23=14', '89-6=83'] Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 14+83=97, Resulting Numbers: [97] 97,12 unequal: No Solution Exploring Operation: 14*83=1162, Resulting Numbers: [1162] 1162,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 12:[89, 8], Operations: ['37-23=14', '14-6=8'] Exploring Operation: 89+8=97, Resulting Numbers: [97] 97,12 unequal: No Solution Exploring Operation: 89*8=712, Resulting Numbers: [712] 712,12 unequal: No Solution Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[89, 20], Operations: ['37-23=14', '6+14=20'] Exploring Operation: 89*20=1780, Resulting Numbers: [1780] 1780,12 unequal: No Solution Exploring Operation: 89+20=109, Resulting Numbers: [109] 109,12 unequal: No Solution Exploring Operation: 89-20=69, Resulting Numbers: [69] 69,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 12:[14, 95], Operations: ['37-23=14', '6+89=95'] Exploring Operation: 14*95=1330, Resulting Numbers: [1330] 1330,12 unequal: No Solution Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 14+95=109, Resulting Numbers: [109] 109,12 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: 12:[23, 37, 83], Operations: ['89-6=83'] Exploring Operation: 83-23=60, Resulting Numbers: [37, 60] Generated Node #0,0,0: 12:[37, 60] Operation: 83-23=60 Exploring Operation: 37-23=14, Resulting Numbers: [83, 14] Generated Node #0,0,1: 12:[83, 14] Operation: 37-23=14 Exploring Operation: 83-37=46, Resulting Numbers: [23, 46] Generated Node #0,0,2: 12:[23, 46] Operation: 83-37=46 Exploring Operation: 23+83=106, Resulting Numbers: [37, 106] Generated Node #0,0,3: 12:[37, 106] Operation: 23+83=106 Exploring Operation: 23+37=60, Resulting Numbers: [83, 60] Generated Node #0,0,4: 12:[83, 60] Operation: 23+37=60 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 12:[23, 46], Operations: ['89-6=83', '83-37=46'] Exploring Operation: 46/23=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 23+46=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 23*46=1058, Resulting Numbers: [1058] 1058,12 unequal: No Solution Exploring Operation: 46-23=23, Resulting Numbers: [23] 23,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[37, 60], Operations: ['89-6=83', '83-23=60'] Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,12 unequal: No Solution Exploring Operation: 37+60=97, Resulting Numbers: [97] 97,12 unequal: No Solution Exploring Operation: 37*60=2220, Resulting Numbers: [2220] 2220,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 12:[83, 14], Operations: ['89-6=83', '37-23=14'] Exploring Operation: 83-14=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 83*14=1162, Resulting Numbers: [1162] 1162,12 unequal: No Solution Exploring Operation: 83+14=97, Resulting Numbers: [97] 97,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 12:[37, 106], Operations: ['89-6=83', '23+83=106'] Exploring Operation: 37+106=143, Resulting Numbers: [143] 143,12 unequal: No Solution Exploring Operation: 37*106=3922, Resulting Numbers: [3922] 3922,12 unequal: No Solution Exploring Operation: 106-37=69, Resulting Numbers: [69] 69,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 12:[83, 60], Operations: ['89-6=83', '23+37=60'] Exploring Operation: 83+60=143, Resulting Numbers: [143] 143,12 unequal: No Solution Exploring Operation: 83-60=23, Resulting Numbers: [23] 23,12 unequal: No Solution Exploring Operation: 83*60=4980, Resulting Numbers: [4980] 4980,12 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: 12:[89, 37, 17], Operations: ['23-6=17'] Exploring Operation: 89-17=72, Resulting Numbers: [37, 72] Generated Node #0,2,0: 12:[37, 72] Operation: 89-17=72 Exploring Operation: 89+17=106, Resulting Numbers: [37, 106] Generated Node #0,2,1: 12:[37, 106] Operation: 89+17=106 Exploring Operation: 89-37=52, Resulting Numbers: [17, 52] Generated Node #0,2,2: 12:[17, 52] Operation: 89-37=52 Exploring Operation: 89+37=126, Resulting Numbers: [17, 126] Generated Node #0,2,3: 12:[17, 126] Operation: 89+37=126 Exploring Operation: 37-17=20, Resulting Numbers: [89, 20] Generated Node #0,2,4: 12:[89, 20] Operation: 37-17=20 Moving to Node #0,2,2 Current State: 12:[17, 52], Operations: ['23-6=17', '89-37=52'] Exploring Operation: 17*52=884, Resulting Numbers: [884] 884,12 unequal: No Solution Exploring Operation: 17+52=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,12 unequal: No Solution Moving to Node #0,2,4 Current State: 12:[89, 20], Operations: ['23-6=17', '37-17=20'] Exploring Operation: 89-20=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 89+20=109, Resulting Numbers: [109] 109,12 unequal: No Solution Exploring Operation: 89*20=1780, Resulting Numbers: [1780] 1780,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[37, 72], Operations: ['23-6=17', '89-17=72'] Exploring Operation: 37*72=2664, Resulting Numbers: [2664] 2664,12 unequal: No Solution Exploring Operation: 72-37=35, Resulting Numbers: [35] 35,12 unequal: No Solution Exploring Operation: 37+72=109, Resulting Numbers: [109] 109,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[37, 106], Operations: ['23-6=17', '89+17=106'] Exploring Operation: 106-37=69, Resulting Numbers: [69] 69,12 unequal: No Solution Exploring Operation: 37*106=3922, Resulting Numbers: [3922] 3922,12 unequal: No Solution Exploring Operation: 37+106=143, Resulting Numbers: [143] 143,12 unequal: No Solution Moving to Node #0,2,3 Current State: 12:[17, 126], Operations: ['23-6=17', '89+37=126'] Exploring Operation: 17*126=2142, Resulting Numbers: [2142] 2142,12 unequal: No Solution Exploring Operation: 126-17=109, Resulting Numbers: [109] 109,12 unequal: No Solution Exploring Operation: 17+126=143, Resulting Numbers: [143] 143,12 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 36, 40, 41, 54 ]
54
[ "40+41=81", "36*81=2916", "2916/54=54" ]
Current State: 54:[36, 40, 41, 54], Operations: [] Exploring Operation: 40+41=81, Resulting Numbers: [36, 54, 81] Generated Node #2: [36, 54, 81] from Operation: 40+41=81 Current State: 54:[36, 54, 81], Operations: ['40+41=81'] Exploring Operation: 36*81=2916, Resulting Numbers: [54, 2916] Generated Node #3: [54, 2916] from Operation: 36*81=2916 Current State: 54:[54, 2916], Operations: ['40+41=81', '36*81=2916'] Exploring Operation: 2916/54=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[36, 40, 41, 54], Operations: [] Exploring Operation: 40-36=4, Resulting Numbers: [41, 54, 4] Generated Node #0,0: 54:[41, 54, 4] Operation: 40-36=4 Exploring Operation: 41-40=1, Resulting Numbers: [36, 54, 1] Generated Node #0,1: 54:[36, 54, 1] Operation: 41-40=1 Exploring Operation: 41-36=5, Resulting Numbers: [40, 54, 5] Generated Node #0,2: 54:[40, 54, 5] Operation: 41-36=5 Moving to Node #0,1 Current State: 54:[36, 54, 1], Operations: ['41-40=1'] Exploring Operation: 54-36=18, Resulting Numbers: [1, 18] Generated Node #0,1,0: 54:[1, 18] Operation: 54-36=18 Exploring Operation: 36*1=36, Resulting Numbers: [54, 36] Generated Node #0,1,1: 54:[54, 36] Operation: 36*1=36 Exploring Operation: 36-1=35, Resulting Numbers: [54, 35] Generated Node #0,1,2: 54:[54, 35] Operation: 36-1=35 Moving to Node #0,0 Current State: 54:[41, 54, 4], Operations: ['40-36=4'] Exploring Operation: 54-41=13, Resulting Numbers: [4, 13] Generated Node #0,0,0: 54:[4, 13] Operation: 54-41=13 Exploring Operation: 41-4=37, Resulting Numbers: [54, 37] Generated Node #0,0,1: 54:[54, 37] Operation: 41-4=37 Exploring Operation: 41+4=45, Resulting Numbers: [54, 45] Generated Node #0,0,2: 54:[54, 45] Operation: 41+4=45 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[4, 13], Operations: ['40-36=4', '54-41=13'] Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,54 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,54 unequal: No Solution No 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: 54:[54, 45], Operations: ['40-36=4', '41+4=45'] Exploring Operation: 54*45=2430, Resulting Numbers: [2430] 2430,54 unequal: No Solution Exploring Operation: 54-45=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 54+45=99, Resulting Numbers: [99] 99,54 unequal: No Solution No 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: 54:[54, 37], Operations: ['40-36=4', '41-4=37'] Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 54*37=1998, Resulting Numbers: [1998] 1998,54 unequal: No Solution Exploring Operation: 54+37=91, Resulting Numbers: [91] 91,54 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: 54:[40, 54, 5], Operations: ['41-36=5'] Exploring Operation: 54-40=14, Resulting Numbers: [5, 14] Generated Node #0,2,0: 54:[5, 14] Operation: 54-40=14 Exploring Operation: 40-5=35, Resulting Numbers: [54, 35] Generated Node #0,2,1: 54:[54, 35] Operation: 40-5=35 Exploring Operation: 40/5=8, Resulting Numbers: [54, 8] Generated Node #0,2,2: 54:[54, 8] Operation: 40/5=8 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 54:[54, 8], Operations: ['41-36=5', '40/5=8'] Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 54*8=432, Resulting Numbers: [432] 432,54 unequal: No Solution Exploring Operation: 54+8=62, Resulting Numbers: [62] 62,54 unequal: No Solution No 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: 54:[5, 14], Operations: ['41-36=5', '54-40=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,54 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,54 unequal: No Solution No 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: 54:[54, 35], Operations: ['41-36=5', '40-5=35'] Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 54+35=89, Resulting Numbers: [89] 89,54 unequal: No Solution Exploring Operation: 54*35=1890, Resulting Numbers: [1890] 1890,54 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: 54:[1, 18], Operations: ['41-40=1', '54-36=18'] Exploring Operation: 1+18=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 1*18=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[54, 35], Operations: ['41-40=1', '36-1=35'] Exploring Operation: 54+35=89, Resulting Numbers: [89] 89,54 unequal: No Solution Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 54*35=1890, Resulting Numbers: [1890] 1890,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[54, 36], Operations: ['41-40=1', '36*1=36'] Exploring Operation: 54+36=90, Resulting Numbers: [90] 90,54 unequal: No Solution Exploring Operation: 54*36=1944, Resulting Numbers: [1944] 1944,54 unequal: No Solution Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,54 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 35, 3, 17, 26 ]
65
[ "35*26=910", "17-3=14", "910/14=65" ]
Current State: 65:[35, 3, 17, 26], Operations: [] Exploring Operation: 35*26=910, Resulting Numbers: [3, 17, 910] Generated Node #2: [3, 17, 910] from Operation: 35*26=910 Current State: 65:[3, 17, 910], Operations: ['35*26=910'] Exploring Operation: 17-3=14, Resulting Numbers: [910, 14] Generated Node #3: [910, 14] from Operation: 17-3=14 Current State: 65:[910, 14], Operations: ['35*26=910', '17-3=14'] Exploring Operation: 910/14=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[35, 3, 17, 26], Operations: [] Exploring Operation: 35+17=52, Resulting Numbers: [3, 26, 52] Generated Node #0,0: 65:[3, 26, 52] Operation: 35+17=52 Exploring Operation: 35-26=9, Resulting Numbers: [3, 17, 9] Generated Node #0,1: 65:[3, 17, 9] Operation: 35-26=9 Exploring Operation: 35-17=18, Resulting Numbers: [3, 26, 18] Generated Node #0,2: 65:[3, 26, 18] Operation: 35-17=18 Exploring Operation: 35+26=61, Resulting Numbers: [3, 17, 61] Generated Node #0,3: 65:[3, 17, 61] Operation: 35+26=61 Moving to Node #0,1 Current State: 65:[3, 17, 9], Operations: ['35-26=9'] Exploring Operation: 3+9=12, Resulting Numbers: [17, 12] Generated Node #0,1,0: 65:[17, 12] Operation: 3+9=12 Exploring Operation: 17-9=8, Resulting Numbers: [3, 8] Generated Node #0,1,1: 65:[3, 8] Operation: 17-9=8 Exploring Operation: 17-3=14, Resulting Numbers: [9, 14] Generated Node #0,1,2: 65:[9, 14] Operation: 17-3=14 Exploring Operation: 9-3=6, Resulting Numbers: [17, 6] Generated Node #0,1,3: 65:[17, 6] Operation: 9-3=6 Moving to Node #0,3 Current State: 65:[3, 17, 61], Operations: ['35+26=61'] Exploring Operation: 17-3=14, Resulting Numbers: [61, 14] Generated Node #0,3,0: 65:[61, 14] Operation: 17-3=14 Exploring Operation: 61-3=58, Resulting Numbers: [17, 58] Generated Node #0,3,1: 65:[17, 58] Operation: 61-3=58 Exploring Operation: 3+61=64, Resulting Numbers: [17, 64] Generated Node #0,3,2: 65:[17, 64] Operation: 3+61=64 Exploring Operation: 3+17=20, Resulting Numbers: [61, 20] Generated Node #0,3,3: 65:[61, 20] Operation: 3+17=20 Moving to Node #0,2 Current State: 65:[3, 26, 18], Operations: ['35-17=18'] Exploring Operation: 26-3=23, Resulting Numbers: [18, 23] Generated Node #0,2,0: 65:[18, 23] Operation: 26-3=23 Exploring Operation: 18/3=6, Resulting Numbers: [26, 6] Generated Node #0,2,1: 65:[26, 6] Operation: 18/3=6 Exploring Operation: 18-3=15, Resulting Numbers: [26, 15] Generated Node #0,2,2: 65:[26, 15] Operation: 18-3=15 Exploring Operation: 26-18=8, Resulting Numbers: [3, 8] Generated Node #0,2,3: 65:[3, 8] Operation: 26-18=8 Moving to Node #0,0 Current State: 65:[3, 26, 52], Operations: ['35+17=52'] Exploring Operation: 52-26=26, Resulting Numbers: [3, 26] Generated Node #0,0,0: 65:[3, 26] Operation: 52-26=26 Exploring Operation: 52/26=2, Resulting Numbers: [3, 2] Generated Node #0,0,1: 65:[3, 2] Operation: 52/26=2 Exploring Operation: 26+52=78, Resulting Numbers: [3, 78] Generated Node #0,0,2: 65:[3, 78] Operation: 26+52=78 Exploring Operation: 26-3=23, Resulting Numbers: [52, 23] Generated Node #0,0,3: 65:[52, 23] Operation: 26-3=23 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[3, 2], Operations: ['35+17=52', '52/26=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[3, 26], Operations: ['35+17=52', '52-26=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,65 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,65 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[3, 78], Operations: ['35+17=52', '26+52=78'] Exploring Operation: 3*78=234, Resulting Numbers: [234] 234,65 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,65 unequal: No Solution Exploring Operation: 3+78=81, Resulting Numbers: [81] 81,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 65:[52, 23], Operations: ['35+17=52', '26-3=23'] Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,65 unequal: No Solution Exploring Operation: 52*23=1196, Resulting Numbers: [1196] 1196,65 unequal: No Solution Exploring Operation: 52+23=75, Resulting Numbers: [75] 75,65 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: 65:[17, 12], Operations: ['35-26=9', '3+9=12'] Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,65 unequal: No Solution Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[9, 14], Operations: ['35-26=9', '17-3=14'] Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,65 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[17, 64], Operations: ['35+26=61', '3+61=64'] Exploring Operation: 17*64=1088, Resulting Numbers: [1088] 1088,65 unequal: No Solution Exploring Operation: 64-17=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 17+64=81, Resulting Numbers: [81] 81,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[3, 8], Operations: ['35-26=9', '17-9=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,65 unequal: No Solution Moving to Node #0,3,0 Current State: 65:[61, 14], Operations: ['35+26=61', '17-3=14'] Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[17, 6], Operations: ['35-26=9', '9-3=6'] Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,65 unequal: No Solution Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[3, 8], Operations: ['35-17=18', '26-18=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,65 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,65 unequal: No Solution Moving to Node #0,3,1 Current State: 65:[17, 58], Operations: ['35+26=61', '61-3=58'] Exploring Operation: 17+58=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 17*58=986, Resulting Numbers: [986] 986,65 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,65 unequal: No Solution Moving to Node #0,3,3 Current State: 65:[61, 20], Operations: ['35+26=61', '3+17=20'] Exploring Operation: 61*20=1220, Resulting Numbers: [1220] 1220,65 unequal: No Solution Exploring Operation: 61+20=81, Resulting Numbers: [81] 81,65 unequal: No Solution Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[26, 6], Operations: ['35-17=18', '18/3=6'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,65 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[18, 23], Operations: ['35-17=18', '26-3=23'] Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,65 unequal: No Solution Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[26, 15], Operations: ['35-17=18', '18-3=15'] Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,65 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,65 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 75, 18, 3, 2 ]
63
[ "75-18=57", "3*2=6", "57+6=63" ]
Current State: 63:[75, 18, 3, 2], Operations: [] Exploring Operation: 75-18=57, Resulting Numbers: [3, 2, 57] Generated Node #2: [3, 2, 57] from Operation: 75-18=57 Current State: 63:[3, 2, 57], Operations: ['75-18=57'] Exploring Operation: 3*2=6, Resulting Numbers: [57, 6] Generated Node #3: [57, 6] from Operation: 3*2=6 Current State: 63:[57, 6], Operations: ['75-18=57', '3*2=6'] Exploring Operation: 57+6=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[75, 18, 3, 2], Operations: [] Exploring Operation: 75-18=57, Resulting Numbers: [3, 2, 57] Generated Node #0,0: 63:[3, 2, 57] Operation: 75-18=57 Moving to Node #0,0 Current State: 63:[3, 2, 57], Operations: ['75-18=57'] Exploring Operation: 57/3=19, Resulting Numbers: [2, 19] Generated Node #0,0,0: 63:[2, 19] Operation: 57/3=19 Moving to Node #0,0,0 Current State: 63:[2, 19], Operations: ['75-18=57', '57/3=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,63 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 36, 2, 58, 50 ]
10
[ "36/2=18", "58-50=8", "18-8=10" ]
Current State: 10:[36, 2, 58, 50], Operations: [] Exploring Operation: 36/2=18, Resulting Numbers: [58, 50, 18] Generated Node #2: [58, 50, 18] from Operation: 36/2=18 Current State: 10:[58, 50, 18], Operations: ['36/2=18'] Exploring Operation: 58-50=8, Resulting Numbers: [18, 8] Generated Node #3: [18, 8] from Operation: 58-50=8 Current State: 10:[18, 8], Operations: ['36/2=18', '58-50=8'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[36, 2, 58, 50], Operations: [] Exploring Operation: 58/2=29, Resulting Numbers: [36, 50, 29] Generated Node #0,0: 10:[36, 50, 29] Operation: 58/2=29 Exploring Operation: 58-36=22, Resulting Numbers: [2, 50, 22] Generated Node #0,1: 10:[2, 50, 22] Operation: 58-36=22 Exploring Operation: 58-50=8, Resulting Numbers: [36, 2, 8] Generated Node #0,2: 10:[36, 2, 8] Operation: 58-50=8 Exploring Operation: 50-36=14, Resulting Numbers: [2, 58, 14] Generated Node #0,3: 10:[2, 58, 14] Operation: 50-36=14 Moving to Node #0,2 Current State: 10:[36, 2, 8], Operations: ['58-50=8'] Exploring Operation: 36-8=28, Resulting Numbers: [2, 28] Generated Node #0,2,0: 10:[2, 28] Operation: 36-8=28 Exploring Operation: 2+8=10, Resulting Numbers: [36, 10] Generated Node #0,2,1: 10:[36, 10] Operation: 2+8=10 Exploring Operation: 36-2=34, Resulting Numbers: [8, 34] Generated Node #0,2,2: 10:[8, 34] Operation: 36-2=34 Exploring Operation: 36/2=18, Resulting Numbers: [8, 18] Generated Node #0,2,3: 10:[8, 18] Operation: 36/2=18 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 10:[8, 18], Operations: ['58-50=8', '36/2=18'] Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,10 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[36, 2, 58, 50], Operations: [] Exploring Operation: 58-50=8, Resulting Numbers: [36, 2, 8] Generated Node #0,2: 10:[36, 2, 8] Operation: 58-50=8 Moving to Node #0,2 Current State: 10:[36, 2, 8], Operations: ['58-50=8'] Exploring Operation: 36/2=18, Resulting Numbers: [8, 18] Generated Node #0,2,3: 10:[8, 18] Operation: 36/2=18 Moving to Node #0,2,3 Current State: 10:[8, 18], Operations: ['58-50=8', '36/2=18'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 12, 10, 13, 85 ]
11
[ "12+13=25", "85+25=110", "110/10=11" ]
Current State: 11:[12, 10, 13, 85], Operations: [] Exploring Operation: 12+13=25, Resulting Numbers: [10, 85, 25] Generated Node #2: [10, 85, 25] from Operation: 12+13=25 Current State: 11:[10, 85, 25], Operations: ['12+13=25'] Exploring Operation: 85+25=110, Resulting Numbers: [10, 110] Generated Node #3: [10, 110] from Operation: 85+25=110 Current State: 11:[10, 110], Operations: ['12+13=25', '85+25=110'] Exploring Operation: 110/10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[12, 10, 13, 85], Operations: [] Exploring Operation: 85-13=72, Resulting Numbers: [12, 10, 72] Generated Node #0,0: 11:[12, 10, 72] Operation: 85-13=72 Exploring Operation: 85-12=73, Resulting Numbers: [10, 13, 73] Generated Node #0,1: 11:[10, 13, 73] Operation: 85-12=73 Moving to Node #0,0 Current State: 11:[12, 10, 72], Operations: ['85-13=72'] Exploring Operation: 72-12=60, Resulting Numbers: [10, 60] Generated Node #0,0,0: 11:[10, 60] Operation: 72-12=60 Exploring Operation: 72/12=6, Resulting Numbers: [10, 6] Generated Node #0,0,1: 11:[10, 6] Operation: 72/12=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[10, 6], Operations: ['85-13=72', '72/12=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,11 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 #0,0,0 Current State: 11:[10, 60], Operations: ['85-13=72', '72-12=60'] Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 11:[10, 13, 73], Operations: ['85-12=73'] Exploring Operation: 73-13=60, Resulting Numbers: [10, 60] Generated Node #0,1,0: 11:[10, 60] Operation: 73-13=60 Exploring Operation: 73-10=63, Resulting Numbers: [13, 63] Generated Node #0,1,1: 11:[13, 63] Operation: 73-10=63 Moving to Node #0,1,0 Current State: 11:[10, 60], Operations: ['85-12=73', '73-13=60'] Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[13, 63], Operations: ['85-12=73', '73-10=63'] Exploring Operation: 63-13=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 13+63=76, Resulting Numbers: [76] 76,11 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 10, 41, 72, 5 ]
10
[ "10*41=410", "410/5=82", "82-72=10" ]
Current State: 10:[10, 41, 72, 5], Operations: [] Exploring Operation: 10*41=410, Resulting Numbers: [72, 5, 410] Generated Node #2: [72, 5, 410] from Operation: 10*41=410 Current State: 10:[72, 5, 410], Operations: ['10*41=410'] Exploring Operation: 410/5=82, Resulting Numbers: [72, 82] Generated Node #3: [72, 82] from Operation: 410/5=82 Current State: 10:[72, 82], Operations: ['10*41=410', '410/5=82'] Exploring Operation: 82-72=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[10, 41, 72, 5], Operations: [] Exploring Operation: 72-41=31, Resulting Numbers: [10, 5, 31] Generated Node #0,0: 10:[10, 5, 31] Operation: 72-41=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[10, 5, 31], Operations: ['72-41=31'] Exploring Operation: 31-10=21, Resulting Numbers: [5, 21] Generated Node #0,0,0: 10:[5, 21] Operation: 31-10=21 Moving to Node #0,0,0 Current State: 10:[5, 21], Operations: ['72-41=31', '31-10=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,10 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
[ 68, 29, 22, 24 ]
51
[ "68+29=97", "22+24=46", "97-46=51" ]
Current State: 51:[68, 29, 22, 24], Operations: [] Exploring Operation: 68+29=97, Resulting Numbers: [22, 24, 97] Generated Node #2: [22, 24, 97] from Operation: 68+29=97 Current State: 51:[22, 24, 97], Operations: ['68+29=97'] Exploring Operation: 22+24=46, Resulting Numbers: [97, 46] Generated Node #3: [97, 46] from Operation: 22+24=46 Current State: 51:[97, 46], Operations: ['68+29=97', '22+24=46'] Exploring Operation: 97-46=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[68, 29, 22, 24], Operations: [] Exploring Operation: 68-29=39, Resulting Numbers: [22, 24, 39] Generated Node #0,0: 51:[22, 24, 39] Operation: 68-29=39 Moving to Node #0,0 Current State: 51:[22, 24, 39], Operations: ['68-29=39'] Exploring Operation: 39-22=17, Resulting Numbers: [24, 17] Generated Node #0,0,0: 51:[24, 17] Operation: 39-22=17 Moving to Node #0,0,0 Current State: 51:[24, 17], Operations: ['68-29=39', '39-22=17'] Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,51 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 76, 30, 98, 84 ]
16
[ "84-76=8", "30+98=128", "128/8=16" ]
Current State: 16:[76, 30, 98, 84], Operations: [] Exploring Operation: 84-76=8, Resulting Numbers: [30, 98, 8] Generated Node #2: [30, 98, 8] from Operation: 84-76=8 Current State: 16:[30, 98, 8], Operations: ['84-76=8'] Exploring Operation: 30+98=128, Resulting Numbers: [8, 128] Generated Node #3: [8, 128] from Operation: 30+98=128 Current State: 16:[8, 128], Operations: ['84-76=8', '30+98=128'] Exploring Operation: 128/8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[76, 30, 98, 84], Operations: [] Exploring Operation: 98-84=14, Resulting Numbers: [76, 30, 14] Generated Node #0,0: 16:[76, 30, 14] Operation: 98-84=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[76, 30, 14], Operations: ['98-84=14'] Exploring Operation: 76-30=46, Resulting Numbers: [14, 46] Generated Node #0,0,0: 16:[14, 46] Operation: 76-30=46 Moving to Node #0,0,0 Current State: 16:[14, 46], Operations: ['98-84=14', '76-30=46'] Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,16 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, 60, 32, 44 ]
32
[ "60-17=43", "44-43=1", "32*1=32" ]
Current State: 32:[17, 60, 32, 44], Operations: [] Exploring Operation: 60-17=43, Resulting Numbers: [32, 44, 43] Generated Node #2: [32, 44, 43] from Operation: 60-17=43 Current State: 32:[32, 44, 43], Operations: ['60-17=43'] Exploring Operation: 44-43=1, Resulting Numbers: [32, 1] Generated Node #3: [32, 1] from Operation: 44-43=1 Current State: 32:[32, 1], Operations: ['60-17=43', '44-43=1'] Exploring Operation: 32*1=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[17, 60, 32, 44], Operations: [] Exploring Operation: 60-44=16, Resulting Numbers: [17, 32, 16] Generated Node #0,0: 32:[17, 32, 16] Operation: 60-44=16 Exploring Operation: 60-32=28, Resulting Numbers: [17, 44, 28] Generated Node #0,1: 32:[17, 44, 28] Operation: 60-32=28 Moving to Node #0,0 Current State: 32:[17, 32, 16], Operations: ['60-44=16'] Exploring Operation: 17+16=33, Resulting Numbers: [32, 33] Generated Node #0,0,0: 32:[32, 33] Operation: 17+16=33 Exploring Operation: 32-17=15, Resulting Numbers: [16, 15] Generated Node #0,0,1: 32:[16, 15] Operation: 32-17=15 Moving to Node #0,1 Current State: 32:[17, 44, 28], Operations: ['60-32=28'] Exploring Operation: 44-28=16, Resulting Numbers: [17, 16] Generated Node #0,1,0: 32:[17, 16] Operation: 44-28=16 Exploring Operation: 44-17=27, Resulting Numbers: [28, 27] Generated Node #0,1,1: 32:[28, 27] Operation: 44-17=27 Moving to Node #0,0,0 Current State: 32:[32, 33], Operations: ['60-44=16', '17+16=33'] Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[17, 16], Operations: ['60-32=28', '44-28=16'] Exploring Operation: 17-16=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[16, 15], Operations: ['60-44=16', '32-17=15'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,32 unequal: No Solution Exploring Operation: 16+15=31, Resulting Numbers: [31] 31,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[28, 27], Operations: ['60-32=28', '44-17=27'] Exploring Operation: 28+27=55, Resulting Numbers: [55] 55,32 unequal: No Solution Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,32 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 14, 9, 63, 15 ]
36
[ "14+15=29", "63/9=7", "29+7=36" ]
Current State: 36:[14, 9, 63, 15], Operations: [] Exploring Operation: 14+15=29, Resulting Numbers: [9, 63, 29] Generated Node #2: [9, 63, 29] from Operation: 14+15=29 Current State: 36:[9, 63, 29], Operations: ['14+15=29'] Exploring Operation: 63/9=7, Resulting Numbers: [29, 7] Generated Node #3: [29, 7] from Operation: 63/9=7 Current State: 36:[29, 7], Operations: ['14+15=29', '63/9=7'] Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[14, 9, 63, 15], Operations: [] Exploring Operation: 63/9=7, Resulting Numbers: [14, 15, 7] Generated Node #0,0: 36:[14, 15, 7] Operation: 63/9=7 Exploring Operation: 63-14=49, Resulting Numbers: [9, 15, 49] Generated Node #0,1: 36:[9, 15, 49] Operation: 63-14=49 Exploring Operation: 63-15=48, Resulting Numbers: [14, 9, 48] Generated Node #0,2: 36:[14, 9, 48] Operation: 63-15=48 Moving to Node #0,0 Current State: 36:[14, 15, 7], Operations: ['63/9=7'] Exploring Operation: 14/7=2, Resulting Numbers: [15, 2] Generated Node #0,0,0: 36:[15, 2] Operation: 14/7=2 Exploring Operation: 15-14=1, Resulting Numbers: [7, 1] Generated Node #0,0,1: 36:[7, 1] Operation: 15-14=1 Exploring Operation: 15-7=8, Resulting Numbers: [14, 8] Generated Node #0,0,2: 36:[14, 8] Operation: 15-7=8 Moving to Node #0,2 Current State: 36:[14, 9, 48], Operations: ['63-15=48'] Exploring Operation: 48-9=39, Resulting Numbers: [14, 39] Generated Node #0,2,0: 36:[14, 39] Operation: 48-9=39 Exploring Operation: 14-9=5, Resulting Numbers: [48, 5] Generated Node #0,2,1: 36:[48, 5] Operation: 14-9=5 Exploring Operation: 48-14=34, Resulting Numbers: [9, 34] Generated Node #0,2,2: 36:[9, 34] Operation: 48-14=34 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 36:[9, 34], Operations: ['63-15=48', '48-14=34'] Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,36 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,36 unequal: No Solution Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,36 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 #0,2,0 Current State: 36:[14, 39], Operations: ['63-15=48', '48-9=39'] Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,36 unequal: No Solution Exploring Operation: 14+39=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 14*39=546, Resulting Numbers: [546] 546,36 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 #0,2,1 Current State: 36:[48, 5], Operations: ['63-15=48', '14-9=5'] Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,36 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,36 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: 36:[9, 15, 49], Operations: ['63-14=49'] Exploring Operation: 49-15=34, Resulting Numbers: [9, 34] Generated Node #0,1,0: 36:[9, 34] Operation: 49-15=34 Exploring Operation: 15-9=6, Resulting Numbers: [49, 6] Generated Node #0,1,1: 36:[49, 6] Operation: 15-9=6 Exploring Operation: 49-9=40, Resulting Numbers: [15, 40] Generated Node #0,1,2: 36:[15, 40] Operation: 49-9=40 Moving to Node #0,0,1 Current State: 36:[7, 1], Operations: ['63/9=7', '15-14=1'] Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,36 unequal: No Solution Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[9, 34], Operations: ['63-14=49', '49-15=34'] Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,36 unequal: No Solution Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,36 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[14, 8], Operations: ['63/9=7', '15-7=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,36 unequal: No Solution Exploring Operation: 14*8=112, Resulting Numbers: [112] 112,36 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[15, 2], Operations: ['63/9=7', '14/7=2'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,36 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,36 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[15, 40], Operations: ['63-14=49', '49-9=40'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,36 unequal: No Solution Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,36 unequal: No Solution Exploring Operation: 15*40=600, Resulting Numbers: [600] 600,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[49, 6], Operations: ['63-14=49', '15-9=6'] Exploring Operation: 49*6=294, Resulting Numbers: [294] 294,36 unequal: No Solution Exploring Operation: 49+6=55, Resulting Numbers: [55] 55,36 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,36 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 12, 68, 38, 79 ]
38
[ "12+68=80", "80-79=1", "38*1=38" ]
Current State: 38:[12, 68, 38, 79], Operations: [] Exploring Operation: 12+68=80, Resulting Numbers: [38, 79, 80] Generated Node #2: [38, 79, 80] from Operation: 12+68=80 Current State: 38:[38, 79, 80], Operations: ['12+68=80'] Exploring Operation: 80-79=1, Resulting Numbers: [38, 1] Generated Node #3: [38, 1] from Operation: 80-79=1 Current State: 38:[38, 1], Operations: ['12+68=80', '80-79=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[12, 68, 38, 79], Operations: [] Exploring Operation: 68-38=30, Resulting Numbers: [12, 79, 30] Generated Node #0,0: 38:[12, 79, 30] Operation: 68-38=30 Exploring Operation: 79-38=41, Resulting Numbers: [12, 68, 41] Generated Node #0,1: 38:[12, 68, 41] Operation: 79-38=41 Exploring Operation: 79-68=11, Resulting Numbers: [12, 38, 11] Generated Node #0,2: 38:[12, 38, 11] Operation: 79-68=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[12, 38, 11], Operations: ['79-68=11'] Exploring Operation: 38-12=26, Resulting Numbers: [11, 26] Generated Node #0,2,0: 38:[11, 26] Operation: 38-12=26 Exploring Operation: 12+11=23, Resulting Numbers: [38, 23] Generated Node #0,2,1: 38:[38, 23] Operation: 12+11=23 Exploring Operation: 12-11=1, Resulting Numbers: [38, 1] Generated Node #0,2,2: 38:[38, 1] Operation: 12-11=1 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 38:[38, 1], Operations: ['79-68=11', '12-11=1'] Exploring Operation: 38*1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[12, 68, 38, 79], Operations: [] Exploring Operation: 79-68=11, Resulting Numbers: [12, 38, 11] Generated Node #0,2: 38:[12, 38, 11] Operation: 79-68=11 Moving to Node #0,2 Current State: 38:[12, 38, 11], Operations: ['79-68=11'] Exploring Operation: 12-11=1, Resulting Numbers: [38, 1] Generated Node #0,2,2: 38:[38, 1] Operation: 12-11=1 Moving to Node #0,2,2 Current State: 38:[38, 1], Operations: ['79-68=11', '12-11=1'] Exploring Operation: 38*1=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
sum_heuristic
[ 31, 23, 49, 23 ]
79
[ "31+49=80", "23/23=1", "80-1=79" ]
Current State: 79:[31, 23, 49, 23], Operations: [] Exploring Operation: 31+49=80, Resulting Numbers: [23, 23, 80] Generated Node #2: [23, 23, 80] from Operation: 31+49=80 Current State: 79:[23, 23, 80], Operations: ['31+49=80'] Exploring Operation: 23/23=1, Resulting Numbers: [80, 1] Generated Node #3: [80, 1] from Operation: 23/23=1 Current State: 79:[80, 1], Operations: ['31+49=80', '23/23=1'] Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[31, 23, 49, 23], Operations: [] Exploring Operation: 23+23=46, Resulting Numbers: [31, 49, 46] Generated Node #0,0: 79:[31, 49, 46] Operation: 23+23=46 Exploring Operation: 23+49=72, Resulting Numbers: [31, 23, 72] Generated Node #0,1: 79:[31, 23, 72] Operation: 23+49=72 Exploring Operation: 49+23=72, Resulting Numbers: [31, 23, 72] Generated Node #0,2: 79:[31, 23, 72] Operation: 49+23=72 Exploring Operation: 31+23=54, Resulting Numbers: [49, 23, 54] Generated Node #0,3: 79:[49, 23, 54] Operation: 31+23=54 Exploring Operation: 31+23=54, Resulting Numbers: [23, 49, 54] Generated Node #0,4: 79:[23, 49, 54] Operation: 31+23=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[31, 49, 46], Operations: ['23+23=46'] Exploring Operation: 46-31=15, Resulting Numbers: [49, 15] Generated Node #0,0,0: 79:[49, 15] Operation: 46-31=15 Exploring Operation: 49-31=18, Resulting Numbers: [46, 18] Generated Node #0,0,1: 79:[46, 18] Operation: 49-31=18 Exploring Operation: 31+49=80, Resulting Numbers: [46, 80] Generated Node #0,0,2: 79:[46, 80] Operation: 31+49=80 Exploring Operation: 49+46=95, Resulting Numbers: [31, 95] Generated Node #0,0,3: 79:[31, 95] Operation: 49+46=95 Exploring Operation: 31+46=77, Resulting Numbers: [49, 77] Generated Node #0,0,4: 79:[49, 77] Operation: 31+46=77 Moving to Node #0,0,4 Current State: 79:[49, 77], Operations: ['23+23=46', '31+46=77'] Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 49*77=3773, Resulting Numbers: [3773] 3773,79 unequal: No Solution Exploring Operation: 49+77=126, Resulting Numbers: [126] 126,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[46, 80], Operations: ['23+23=46', '31+49=80'] Exploring Operation: 46+80=126, Resulting Numbers: [126] 126,79 unequal: No Solution Exploring Operation: 80-46=34, Resulting Numbers: [34] 34,79 unequal: No Solution Exploring Operation: 46*80=3680, Resulting Numbers: [3680] 3680,79 unequal: No Solution Moving to Node #0,0,3 Current State: 79:[31, 95], Operations: ['23+23=46', '49+46=95'] Exploring Operation: 31+95=126, Resulting Numbers: [126] 126,79 unequal: No Solution Exploring Operation: 31*95=2945, Resulting Numbers: [2945] 2945,79 unequal: No Solution Exploring Operation: 95-31=64, Resulting Numbers: [64] 64,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[49, 15], Operations: ['23+23=46', '46-31=15'] Exploring Operation: 49+15=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,79 unequal: No Solution Exploring Operation: 49*15=735, Resulting Numbers: [735] 735,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[46, 18], Operations: ['23+23=46', '49-31=18'] Exploring Operation: 46+18=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 46*18=828, Resulting Numbers: [828] 828,79 unequal: No Solution Exploring Operation: 46-18=28, Resulting Numbers: [28] 28,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[31, 23, 72], Operations: ['23+49=72'] Exploring Operation: 31-23=8, Resulting Numbers: [72, 8] Generated Node #0,1,0: 79:[72, 8] Operation: 31-23=8 Exploring Operation: 23+72=95, Resulting Numbers: [31, 95] Generated Node #0,1,1: 79:[31, 95] Operation: 23+72=95 Exploring Operation: 31+72=103, Resulting Numbers: [23, 103] Generated Node #0,1,2: 79:[23, 103] Operation: 31+72=103 Exploring Operation: 72-23=49, Resulting Numbers: [31, 49] Generated Node #0,1,3: 79:[31, 49] Operation: 72-23=49 Exploring Operation: 31+23=54, Resulting Numbers: [72, 54] Generated Node #0,1,4: 79:[72, 54] Operation: 31+23=54 Moving to Node #0,1,4 Current State: 79:[72, 54], Operations: ['23+49=72', '31+23=54'] Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 72*54=3888, Resulting Numbers: [3888] 3888,79 unequal: No Solution Exploring Operation: 72+54=126, Resulting Numbers: [126] 126,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[31, 95], Operations: ['23+49=72', '23+72=95'] Exploring Operation: 31*95=2945, Resulting Numbers: [2945] 2945,79 unequal: No Solution Exploring Operation: 95-31=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 31+95=126, Resulting Numbers: [126] 126,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[72, 8], Operations: ['23+49=72', '31-23=8'] Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,79 unequal: No Solution Exploring Operation: 72+8=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 72*8=576, Resulting Numbers: [576] 576,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[31, 49], Operations: ['23+49=72', '72-23=49'] Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,79 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[23, 103], Operations: ['23+49=72', '31+72=103'] Exploring Operation: 23*103=2369, Resulting Numbers: [2369] 2369,79 unequal: No Solution Exploring Operation: 23+103=126, Resulting Numbers: [126] 126,79 unequal: No Solution Exploring Operation: 103-23=80, Resulting Numbers: [80] 80,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[31, 23, 72], Operations: ['49+23=72'] Exploring Operation: 31+23=54, Resulting Numbers: [72, 54] Generated Node #0,2,0: 79:[72, 54] Operation: 31+23=54 Exploring Operation: 31-23=8, Resulting Numbers: [72, 8] Generated Node #0,2,1: 79:[72, 8] Operation: 31-23=8 Exploring Operation: 72-23=49, Resulting Numbers: [31, 49] Generated Node #0,2,2: 79:[31, 49] Operation: 72-23=49 Exploring Operation: 31+72=103, Resulting Numbers: [23, 103] Generated Node #0,2,3: 79:[23, 103] Operation: 31+72=103 Exploring Operation: 23+72=95, Resulting Numbers: [31, 95] Generated Node #0,2,4: 79:[31, 95] Operation: 23+72=95 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[72, 54], Operations: ['49+23=72', '31+23=54'] Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 72*54=3888, Resulting Numbers: [3888] 3888,79 unequal: No Solution Exploring Operation: 72+54=126, Resulting Numbers: [126] 126,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 79:[31, 95], Operations: ['49+23=72', '23+72=95'] Exploring Operation: 31+95=126, Resulting Numbers: [126] 126,79 unequal: No Solution Exploring Operation: 95-31=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 31*95=2945, Resulting Numbers: [2945] 2945,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[72, 8], Operations: ['49+23=72', '31-23=8'] Exploring Operation: 72*8=576, Resulting Numbers: [576] 576,79 unequal: No Solution Exploring Operation: 72+8=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 79:[31, 49], Operations: ['49+23=72', '72-23=49'] Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,79 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 79:[23, 103], Operations: ['49+23=72', '31+72=103'] Exploring Operation: 23*103=2369, Resulting Numbers: [2369] 2369,79 unequal: No Solution Exploring Operation: 23+103=126, Resulting Numbers: [126] 126,79 unequal: No Solution Exploring Operation: 103-23=80, Resulting Numbers: [80] 80,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[49, 23, 54], Operations: ['31+23=54'] Exploring Operation: 49+54=103, Resulting Numbers: [23, 103] Generated Node #0,3,0: 79:[23, 103] Operation: 49+54=103 Exploring Operation: 54-23=31, Resulting Numbers: [49, 31] Generated Node #0,3,1: 79:[49, 31] Operation: 54-23=31 Exploring Operation: 49-23=26, Resulting Numbers: [54, 26] Generated Node #0,3,2: 79:[54, 26] Operation: 49-23=26 Exploring Operation: 23+54=77, Resulting Numbers: [49, 77] Generated Node #0,3,3: 79:[49, 77] Operation: 23+54=77 Exploring Operation: 49+23=72, Resulting Numbers: [54, 72] Generated Node #0,3,4: 79:[54, 72] Operation: 49+23=72 Moving to Node #0,3,3 Current State: 79:[49, 77], Operations: ['31+23=54', '23+54=77'] Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 49+77=126, Resulting Numbers: [126] 126,79 unequal: No Solution Exploring Operation: 49*77=3773, Resulting Numbers: [3773] 3773,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[54, 72], Operations: ['31+23=54', '49+23=72'] Exploring Operation: 54*72=3888, Resulting Numbers: [3888] 3888,79 unequal: No Solution Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 54+72=126, Resulting Numbers: [126] 126,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[49, 31], Operations: ['31+23=54', '54-23=31'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[54, 26], Operations: ['31+23=54', '49-23=26'] Exploring Operation: 54*26=1404, Resulting Numbers: [1404] 1404,79 unequal: No Solution Exploring Operation: 54+26=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[23, 103], Operations: ['31+23=54', '49+54=103'] Exploring Operation: 23*103=2369, Resulting Numbers: [2369] 2369,79 unequal: No Solution Exploring Operation: 23+103=126, Resulting Numbers: [126] 126,79 unequal: No Solution Exploring Operation: 103-23=80, Resulting Numbers: [80] 80,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 79:[23, 49, 54], Operations: ['31+23=54'] Exploring Operation: 23+54=77, Resulting Numbers: [49, 77] Generated Node #0,4,0: 79:[49, 77] Operation: 23+54=77 Exploring Operation: 54-23=31, Resulting Numbers: [49, 31] Generated Node #0,4,1: 79:[49, 31] Operation: 54-23=31 Exploring Operation: 23+49=72, Resulting Numbers: [54, 72] Generated Node #0,4,2: 79:[54, 72] Operation: 23+49=72 Exploring Operation: 49+54=103, Resulting Numbers: [23, 103] Generated Node #0,4,3: 79:[23, 103] Operation: 49+54=103 Exploring Operation: 49-23=26, Resulting Numbers: [54, 26] Generated Node #0,4,4: 79:[54, 26] Operation: 49-23=26 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 79:[49, 77], Operations: ['31+23=54', '23+54=77'] Exploring Operation: 49+77=126, Resulting Numbers: [126] 126,79 unequal: No Solution Exploring Operation: 49*77=3773, Resulting Numbers: [3773] 3773,79 unequal: No Solution Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 79:[54, 72], Operations: ['31+23=54', '23+49=72'] Exploring Operation: 54*72=3888, Resulting Numbers: [3888] 3888,79 unequal: No Solution Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 54+72=126, Resulting Numbers: [126] 126,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 79:[49, 31], Operations: ['31+23=54', '54-23=31'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,79 unequal: No Solution Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 79:[54, 26], Operations: ['31+23=54', '49-23=26'] Exploring Operation: 54+26=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 54-26=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 54*26=1404, Resulting Numbers: [1404] 1404,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 79:[23, 103], Operations: ['31+23=54', '49+54=103'] Exploring Operation: 23+103=126, Resulting Numbers: [126] 126,79 unequal: No Solution Exploring Operation: 103-23=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 23*103=2369, Resulting Numbers: [2369] 2369,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 89, 13, 3, 83 ]
39
[ "89-3=86", "86-83=3", "13*3=39" ]
Current State: 39:[89, 13, 3, 83], Operations: [] Exploring Operation: 89-3=86, Resulting Numbers: [13, 83, 86] Generated Node #2: [13, 83, 86] from Operation: 89-3=86 Current State: 39:[13, 83, 86], Operations: ['89-3=86'] Exploring Operation: 86-83=3, Resulting Numbers: [13, 3] Generated Node #3: [13, 3] from Operation: 86-83=3 Current State: 39:[13, 3], Operations: ['89-3=86', '86-83=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[89, 13, 3, 83], Operations: [] Exploring Operation: 89-13=76, Resulting Numbers: [3, 83, 76] Generated Node #0,0: 39:[3, 83, 76] Operation: 89-13=76 Exploring Operation: 89-83=6, Resulting Numbers: [13, 3, 6] Generated Node #0,1: 39:[13, 3, 6] Operation: 89-83=6 Moving to Node #0,1 Current State: 39:[13, 3, 6], Operations: ['89-83=6'] Exploring Operation: 6-3=3, Resulting Numbers: [13, 3] Generated Node #0,1,0: 39:[13, 3] Operation: 6-3=3 Exploring Operation: 6/3=2, Resulting Numbers: [13, 2] Generated Node #0,1,1: 39:[13, 2] Operation: 6/3=2 Moving to Node #0,0 Current State: 39:[3, 83, 76], Operations: ['89-13=76'] Exploring Operation: 83-3=80, Resulting Numbers: [76, 80] Generated Node #0,0,0: 39:[76, 80] Operation: 83-3=80 Exploring Operation: 83-76=7, Resulting Numbers: [3, 7] Generated Node #0,0,1: 39:[3, 7] Operation: 83-76=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[3, 7], Operations: ['89-13=76', '83-76=7'] Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,39 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[76, 80], Operations: ['89-13=76', '83-3=80'] Exploring Operation: 80-76=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 76+80=156, Resulting Numbers: [156] 156,39 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: 39:[13, 3], Operations: ['89-83=6', '6-3=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[89, 13, 3, 83], Operations: [] Exploring Operation: 89-83=6, Resulting Numbers: [13, 3, 6] Generated Node #0,1: 39:[13, 3, 6] Operation: 89-83=6 Moving to Node #0,1 Current State: 39:[13, 3, 6], Operations: ['89-83=6'] Exploring Operation: 6-3=3, Resulting Numbers: [13, 3] Generated Node #0,1,0: 39:[13, 3] Operation: 6-3=3 Moving to Node #0,1,0 Current State: 39:[13, 3], Operations: ['89-83=6', '6-3=3'] Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 50, 94, 98, 32 ]
56
[ "94+98=192", "192/32=6", "50+6=56" ]
Current State: 56:[50, 94, 98, 32], Operations: [] Exploring Operation: 94+98=192, Resulting Numbers: [50, 32, 192] Generated Node #2: [50, 32, 192] from Operation: 94+98=192 Current State: 56:[50, 32, 192], Operations: ['94+98=192'] Exploring Operation: 192/32=6, Resulting Numbers: [50, 6] Generated Node #3: [50, 6] from Operation: 192/32=6 Current State: 56:[50, 6], Operations: ['94+98=192', '192/32=6'] Exploring Operation: 50+6=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[50, 94, 98, 32], Operations: [] Exploring Operation: 98-94=4, Resulting Numbers: [50, 32, 4] Generated Node #0,0: 56:[50, 32, 4] Operation: 98-94=4 Exploring Operation: 94-32=62, Resulting Numbers: [50, 98, 62] Generated Node #0,1: 56:[50, 98, 62] Operation: 94-32=62 Exploring Operation: 98-50=48, Resulting Numbers: [94, 32, 48] Generated Node #0,2: 56:[94, 32, 48] Operation: 98-50=48 Exploring Operation: 98-32=66, Resulting Numbers: [50, 94, 66] Generated Node #0,3: 56:[50, 94, 66] Operation: 98-32=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[50, 32, 4], Operations: ['98-94=4'] Exploring Operation: 32-4=28, Resulting Numbers: [50, 28] Generated Node #0,0,0: 56:[50, 28] Operation: 32-4=28 Exploring Operation: 50-32=18, Resulting Numbers: [4, 18] Generated Node #0,0,1: 56:[4, 18] Operation: 50-32=18 Exploring Operation: 50+4=54, Resulting Numbers: [32, 54] Generated Node #0,0,2: 56:[32, 54] Operation: 50+4=54 Exploring Operation: 32/4=8, Resulting Numbers: [50, 8] Generated Node #0,0,3: 56:[50, 8] Operation: 32/4=8 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 56:[4, 18], Operations: ['98-94=4', '50-32=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,56 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,56 unequal: No Solution No 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: 56:[50, 28], Operations: ['98-94=4', '32-4=28'] Exploring Operation: 50+28=78, Resulting Numbers: [78] 78,56 unequal: No Solution Exploring Operation: 50*28=1400, Resulting Numbers: [1400] 1400,56 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,56 unequal: No Solution No 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: 56:[32, 54], Operations: ['98-94=4', '50+4=54'] Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 32*54=1728, Resulting Numbers: [1728] 1728,56 unequal: No Solution Exploring Operation: 32+54=86, Resulting Numbers: [86] 86,56 unequal: No Solution No 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: 56:[50, 8], Operations: ['98-94=4', '32/4=8'] Exploring Operation: 50+8=58, Resulting Numbers: [58] 58,56 unequal: No Solution Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,56 unequal: No Solution Exploring Operation: 50*8=400, Resulting Numbers: [400] 400,56 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: 56:[94, 32, 48], Operations: ['98-50=48'] Exploring Operation: 48-32=16, Resulting Numbers: [94, 16] Generated Node #0,2,0: 56:[94, 16] Operation: 48-32=16 Exploring Operation: 94-48=46, Resulting Numbers: [32, 46] Generated Node #0,2,1: 56:[32, 46] Operation: 94-48=46 Exploring Operation: 32+48=80, Resulting Numbers: [94, 80] Generated Node #0,2,2: 56:[94, 80] Operation: 32+48=80 Exploring Operation: 94-32=62, Resulting Numbers: [48, 62] Generated Node #0,2,3: 56:[48, 62] Operation: 94-32=62 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 56:[32, 46], Operations: ['98-50=48', '94-48=46'] Exploring Operation: 32*46=1472, Resulting Numbers: [1472] 1472,56 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 32+46=78, Resulting Numbers: [78] 78,56 unequal: No Solution No 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: 56:[48, 62], Operations: ['98-50=48', '94-32=62'] Exploring Operation: 48*62=2976, Resulting Numbers: [2976] 2976,56 unequal: No Solution Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 48+62=110, Resulting Numbers: [110] 110,56 unequal: No Solution No 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: 56:[94, 16], Operations: ['98-50=48', '48-32=16'] Exploring Operation: 94+16=110, Resulting Numbers: [110] 110,56 unequal: No Solution Exploring Operation: 94*16=1504, Resulting Numbers: [1504] 1504,56 unequal: No Solution Exploring Operation: 94-16=78, Resulting Numbers: [78] 78,56 unequal: No Solution No 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: 56:[94, 80], Operations: ['98-50=48', '32+48=80'] Exploring Operation: 94+80=174, Resulting Numbers: [174] 174,56 unequal: No Solution Exploring Operation: 94*80=7520, Resulting Numbers: [7520] 7520,56 unequal: No Solution Exploring Operation: 94-80=14, Resulting Numbers: [14] 14,56 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: 56:[50, 98, 62], Operations: ['94-32=62'] Exploring Operation: 98-50=48, Resulting Numbers: [62, 48] Generated Node #0,1,0: 56:[62, 48] Operation: 98-50=48 Exploring Operation: 98-62=36, Resulting Numbers: [50, 36] Generated Node #0,1,1: 56:[50, 36] Operation: 98-62=36 Exploring Operation: 50+98=148, Resulting Numbers: [62, 148] Generated Node #0,1,2: 56:[62, 148] Operation: 50+98=148 Exploring Operation: 62-50=12, Resulting Numbers: [98, 12] Generated Node #0,1,3: 56:[98, 12] Operation: 62-50=12 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 56:[62, 48], Operations: ['94-32=62', '98-50=48'] Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 62+48=110, Resulting Numbers: [110] 110,56 unequal: No Solution Exploring Operation: 62*48=2976, Resulting Numbers: [2976] 2976,56 unequal: No Solution No 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: 56:[50, 36], Operations: ['94-32=62', '98-62=36'] Exploring Operation: 50-36=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 50+36=86, Resulting Numbers: [86] 86,56 unequal: No Solution Exploring Operation: 50*36=1800, Resulting Numbers: [1800] 1800,56 unequal: No Solution No 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: 56:[98, 12], Operations: ['94-32=62', '62-50=12'] Exploring Operation: 98-12=86, Resulting Numbers: [86] 86,56 unequal: No Solution Exploring Operation: 98+12=110, Resulting Numbers: [110] 110,56 unequal: No Solution Exploring Operation: 98*12=1176, Resulting Numbers: [1176] 1176,56 unequal: No Solution No 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: 56:[62, 148], Operations: ['94-32=62', '50+98=148'] Exploring Operation: 62+148=210, Resulting Numbers: [210] 210,56 unequal: No Solution Exploring Operation: 148-62=86, Resulting Numbers: [86] 86,56 unequal: No Solution Exploring Operation: 62*148=9176, Resulting Numbers: [9176] 9176,56 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: 56:[50, 94, 66], Operations: ['98-32=66'] Exploring Operation: 94-50=44, Resulting Numbers: [66, 44] Generated Node #0,3,0: 56:[66, 44] Operation: 94-50=44 Exploring Operation: 66-50=16, Resulting Numbers: [94, 16] Generated Node #0,3,1: 56:[94, 16] Operation: 66-50=16 Exploring Operation: 94-66=28, Resulting Numbers: [50, 28] Generated Node #0,3,2: 56:[50, 28] Operation: 94-66=28 Exploring Operation: 50+94=144, Resulting Numbers: [66, 144] Generated Node #0,3,3: 56:[66, 144] Operation: 50+94=144 Moving to Node #0,3,2 Current State: 56:[50, 28], Operations: ['98-32=66', '94-66=28'] Exploring Operation: 50+28=78, Resulting Numbers: [78] 78,56 unequal: No Solution Exploring Operation: 50*28=1400, Resulting Numbers: [1400] 1400,56 unequal: No Solution Exploring Operation: 50-28=22, Resulting Numbers: [22] 22,56 unequal: No Solution Moving to Node #0,3,0 Current State: 56:[66, 44], Operations: ['98-32=66', '94-50=44'] Exploring Operation: 66*44=2904, Resulting Numbers: [2904] 2904,56 unequal: No Solution Exploring Operation: 66-44=22, Resulting Numbers: [22] 22,56 unequal: No Solution Exploring Operation: 66+44=110, Resulting Numbers: [110] 110,56 unequal: No Solution Moving to Node #0,3,1 Current State: 56:[94, 16], Operations: ['98-32=66', '66-50=16'] Exploring Operation: 94*16=1504, Resulting Numbers: [1504] 1504,56 unequal: No Solution Exploring Operation: 94+16=110, Resulting Numbers: [110] 110,56 unequal: No Solution Exploring Operation: 94-16=78, Resulting Numbers: [78] 78,56 unequal: No Solution Moving to Node #0,3,3 Current State: 56:[66, 144], Operations: ['98-32=66', '50+94=144'] Exploring Operation: 144-66=78, Resulting Numbers: [78] 78,56 unequal: No Solution Exploring Operation: 66*144=9504, Resulting Numbers: [9504] 9504,56 unequal: No Solution Exploring Operation: 66+144=210, Resulting Numbers: [210] 210,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 13, 18, 7, 25 ]
22
[ "13-7=6", "18/6=3", "25-3=22" ]
Current State: 22:[13, 18, 7, 25], Operations: [] Exploring Operation: 13-7=6, Resulting Numbers: [18, 25, 6] Generated Node #2: [18, 25, 6] from Operation: 13-7=6 Current State: 22:[18, 25, 6], Operations: ['13-7=6'] Exploring Operation: 18/6=3, Resulting Numbers: [25, 3] Generated Node #3: [25, 3] from Operation: 18/6=3 Current State: 22:[25, 3], Operations: ['13-7=6', '18/6=3'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[13, 18, 7, 25], Operations: [] Exploring Operation: 18+7=25, Resulting Numbers: [13, 25, 25] Generated Node #0,0: 22:[13, 25, 25] Operation: 18+7=25 Exploring Operation: 18-7=11, Resulting Numbers: [13, 25, 11] Generated Node #0,1: 22:[13, 25, 11] Operation: 18-7=11 Exploring Operation: 13+7=20, Resulting Numbers: [18, 25, 20] Generated Node #0,2: 22:[18, 25, 20] Operation: 13+7=20 Moving to Node #0,1 Current State: 22:[13, 25, 11], Operations: ['18-7=11'] Exploring Operation: 13-11=2, Resulting Numbers: [25, 2] Generated Node #0,1,0: 22:[25, 2] Operation: 13-11=2 Exploring Operation: 25-13=12, Resulting Numbers: [11, 12] Generated Node #0,1,1: 22:[11, 12] Operation: 25-13=12 Exploring Operation: 13+11=24, Resulting Numbers: [25, 24] Generated Node #0,1,2: 22:[25, 24] Operation: 13+11=24 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 22:[11, 12], Operations: ['18-7=11', '25-13=12'] Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,22 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,22 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 #0,1,0 Current State: 22:[25, 2], Operations: ['18-7=11', '13-11=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,22 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,22 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 #0,1,2 Current State: 22:[25, 24], Operations: ['18-7=11', '13+11=24'] Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,22 unequal: No Solution Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,22 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,22 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: 22:[13, 25, 25], Operations: ['18+7=25'] Exploring Operation: 25/25=1, Resulting Numbers: [13, 1] Generated Node #0,0,0: 22:[13, 1] Operation: 25/25=1 Exploring Operation: 25-13=12, Resulting Numbers: [25, 12] Generated Node #0,0,1: 22:[25, 12] Operation: 25-13=12 Exploring Operation: 25-13=12, Resulting Numbers: [25, 12] Generated Node #0,0,2: 22:[25, 12] Operation: 25-13=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 22:[13, 1], Operations: ['18+7=25', '25/25=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,22 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,22 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 22:[25, 12], Operations: ['18+7=25', '25-13=12'] Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,22 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,22 unequal: No Solution Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[25, 12], Operations: ['18+7=25', '25-13=12'] Exploring Operation: 25*12=300, Resulting Numbers: [300] 300,22 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,22 unequal: No Solution Exploring Operation: 25+12=37, Resulting Numbers: [37] 37,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 22:[18, 25, 20], Operations: ['13+7=20'] Exploring Operation: 20-18=2, Resulting Numbers: [25, 2] Generated Node #0,2,0: 22:[25, 2] Operation: 20-18=2 Exploring Operation: 25-18=7, Resulting Numbers: [20, 7] Generated Node #0,2,1: 22:[20, 7] Operation: 25-18=7 Exploring Operation: 25-20=5, Resulting Numbers: [18, 5] Generated Node #0,2,2: 22:[18, 5] Operation: 25-20=5 Moving to Node #0,2,0 Current State: 22:[25, 2], Operations: ['13+7=20', '20-18=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,22 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,22 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,22 unequal: No Solution Moving to Node #0,2,1 Current State: 22:[20, 7], Operations: ['13+7=20', '25-18=7'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,22 unequal: No Solution Exploring Operation: 20*7=140, Resulting Numbers: [140] 140,22 unequal: No Solution Exploring Operation: 20+7=27, Resulting Numbers: [27] 27,22 unequal: No Solution Moving to Node #0,2,2 Current State: 22:[18, 5], Operations: ['13+7=20', '25-20=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,22 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,22 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 79, 36, 54, 5 ]
11
[ "54-36=18", "5*18=90", "90-79=11" ]
Current State: 11:[79, 36, 54, 5], Operations: [] Exploring Operation: 54-36=18, Resulting Numbers: [79, 5, 18] Generated Node #2: [79, 5, 18] from Operation: 54-36=18 Current State: 11:[79, 5, 18], Operations: ['54-36=18'] Exploring Operation: 5*18=90, Resulting Numbers: [79, 90] Generated Node #3: [79, 90] from Operation: 5*18=90 Current State: 11:[79, 90], Operations: ['54-36=18', '5*18=90'] Exploring Operation: 90-79=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[79, 36, 54, 5], Operations: [] Exploring Operation: 79-54=25, Resulting Numbers: [36, 5, 25] Generated Node #0,0: 11:[36, 5, 25] Operation: 79-54=25 Exploring Operation: 79-36=43, Resulting Numbers: [54, 5, 43] Generated Node #0,1: 11:[54, 5, 43] Operation: 79-36=43 Exploring Operation: 54-36=18, Resulting Numbers: [79, 5, 18] Generated Node #0,2: 11:[79, 5, 18] Operation: 54-36=18 Moving to Node #0,0 Current State: 11:[36, 5, 25], Operations: ['79-54=25'] Exploring Operation: 36-25=11, Resulting Numbers: [5, 11] Generated Node #0,0,0: 11:[5, 11] Operation: 36-25=11 Exploring Operation: 25/5=5, Resulting Numbers: [36, 5] Generated Node #0,0,1: 11:[36, 5] Operation: 25/5=5 Exploring Operation: 36-5=31, Resulting Numbers: [25, 31] Generated Node #0,0,2: 11:[25, 31] Operation: 36-5=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[5, 11], Operations: ['79-54=25', '36-25=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,11 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[36, 5], Operations: ['79-54=25', '25/5=5'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,11 unequal: No Solution Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 36*5=180, Resulting Numbers: [180] 180,11 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 #0,0,2 Current State: 11:[25, 31], Operations: ['79-54=25', '36-5=31'] Exploring Operation: 25+31=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 31-25=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 25*31=775, Resulting Numbers: [775] 775,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 11:[54, 5, 43], Operations: ['79-36=43'] Exploring Operation: 43-5=38, Resulting Numbers: [54, 38] Generated Node #0,1,0: 11:[54, 38] Operation: 43-5=38 Exploring Operation: 54-5=49, Resulting Numbers: [43, 49] Generated Node #0,1,1: 11:[43, 49] Operation: 54-5=49 Exploring Operation: 54-43=11, Resulting Numbers: [5, 11] Generated Node #0,1,2: 11:[5, 11] Operation: 54-43=11 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 11:[5, 11], Operations: ['79-36=43', '54-43=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 11:[54, 38], Operations: ['79-36=43', '43-5=38'] Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,11 unequal: No Solution Exploring Operation: 54*38=2052, Resulting Numbers: [2052] 2052,11 unequal: No Solution Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 11:[43, 49], Operations: ['79-36=43', '54-5=49'] Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 43+49=92, Resulting Numbers: [92] 92,11 unequal: No Solution Exploring Operation: 43*49=2107, Resulting Numbers: [2107] 2107,11 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: 11:[79, 5, 18], Operations: ['54-36=18'] Exploring Operation: 79-18=61, Resulting Numbers: [5, 61] Generated Node #0,2,0: 11:[5, 61] Operation: 79-18=61 Exploring Operation: 79-5=74, Resulting Numbers: [18, 74] Generated Node #0,2,1: 11:[18, 74] Operation: 79-5=74 Exploring Operation: 18-5=13, Resulting Numbers: [79, 13] Generated Node #0,2,2: 11:[79, 13] Operation: 18-5=13 Moving to Node #0,2,0 Current State: 11:[5, 61], Operations: ['54-36=18', '79-18=61'] Exploring Operation: 5+61=66, Resulting Numbers: [66] 66,11 unequal: No Solution Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 5*61=305, Resulting Numbers: [305] 305,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[18, 74], Operations: ['54-36=18', '79-5=74'] Exploring Operation: 18+74=92, Resulting Numbers: [92] 92,11 unequal: No Solution Exploring Operation: 18*74=1332, Resulting Numbers: [1332] 1332,11 unequal: No Solution Exploring Operation: 74-18=56, Resulting Numbers: [56] 56,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[79, 13], Operations: ['54-36=18', '18-5=13'] Exploring Operation: 79*13=1027, Resulting Numbers: [1027] 1027,11 unequal: No Solution Exploring Operation: 79+13=92, Resulting Numbers: [92] 92,11 unequal: No Solution Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,11 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 6, 39, 2, 68 ]
22
[ "6+39=45", "2*45=90", "90-68=22" ]
Current State: 22:[6, 39, 2, 68], Operations: [] Exploring Operation: 6+39=45, Resulting Numbers: [2, 68, 45] Generated Node #2: [2, 68, 45] from Operation: 6+39=45 Current State: 22:[2, 68, 45], Operations: ['6+39=45'] Exploring Operation: 2*45=90, Resulting Numbers: [68, 90] Generated Node #3: [68, 90] from Operation: 2*45=90 Current State: 22:[68, 90], Operations: ['6+39=45', '2*45=90'] Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[6, 39, 2, 68], Operations: [] Exploring Operation: 68/2=34, Resulting Numbers: [6, 39, 34] Generated Node #0,0: 22:[6, 39, 34] Operation: 68/2=34 Exploring Operation: 68-39=29, Resulting Numbers: [6, 2, 29] Generated Node #0,1: 22:[6, 2, 29] Operation: 68-39=29 Moving to Node #0,1 Current State: 22:[6, 2, 29], Operations: ['68-39=29'] Exploring Operation: 29-6=23, Resulting Numbers: [2, 23] Generated Node #0,1,0: 22:[2, 23] Operation: 29-6=23 Exploring Operation: 6*2=12, Resulting Numbers: [29, 12] Generated Node #0,1,1: 22:[29, 12] Operation: 6*2=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 22:[2, 23], Operations: ['68-39=29', '29-6=23'] Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,22 unequal: No Solution Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,22 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 #0,1,1 Current State: 22:[29, 12], Operations: ['68-39=29', '6*2=12'] Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,22 unequal: No Solution Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,22 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: 22:[6, 39, 34], Operations: ['68/2=34'] Exploring Operation: 39-34=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 22:[6, 5] Operation: 39-34=5 Exploring Operation: 39-6=33, Resulting Numbers: [34, 33] Generated Node #0,0,1: 22:[34, 33] Operation: 39-6=33 Moving to Node #0,0,0 Current State: 22:[6, 5], Operations: ['68/2=34', '39-34=5'] Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,22 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,22 unequal: No Solution Moving to Node #0,0,1 Current State: 22:[34, 33], Operations: ['68/2=34', '39-6=33'] Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,22 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 85, 2, 66, 52 ]
90
[ "85-66=19", "2*19=38", "52+38=90" ]
Current State: 90:[85, 2, 66, 52], Operations: [] Exploring Operation: 85-66=19, Resulting Numbers: [2, 52, 19] Generated Node #2: [2, 52, 19] from Operation: 85-66=19 Current State: 90:[2, 52, 19], Operations: ['85-66=19'] Exploring Operation: 2*19=38, Resulting Numbers: [52, 38] Generated Node #3: [52, 38] from Operation: 2*19=38 Current State: 90:[52, 38], Operations: ['85-66=19', '2*19=38'] Exploring Operation: 52+38=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[85, 2, 66, 52], Operations: [] Exploring Operation: 66/2=33, Resulting Numbers: [85, 52, 33] Generated Node #0,0: 90:[85, 52, 33] Operation: 66/2=33 Exploring Operation: 85-52=33, Resulting Numbers: [2, 66, 33] Generated Node #0,1: 90:[2, 66, 33] Operation: 85-52=33 Exploring Operation: 85-66=19, Resulting Numbers: [2, 52, 19] Generated Node #0,2: 90:[2, 52, 19] Operation: 85-66=19 Exploring Operation: 66-52=14, Resulting Numbers: [85, 2, 14] Generated Node #0,3: 90:[85, 2, 14] Operation: 66-52=14 Exploring Operation: 52/2=26, Resulting Numbers: [85, 66, 26] Generated Node #0,4: 90:[85, 66, 26] Operation: 52/2=26 Start Sub Search at level 1: Moving to Node #0,3 Current State: 90:[85, 2, 14], Operations: ['66-52=14'] Exploring Operation: 14/2=7, Resulting Numbers: [85, 7] Generated Node #0,3,0: 90:[85, 7] Operation: 14/2=7 Exploring Operation: 2*14=28, Resulting Numbers: [85, 28] Generated Node #0,3,1: 90:[85, 28] Operation: 2*14=28 Exploring Operation: 2+14=16, Resulting Numbers: [85, 16] Generated Node #0,3,2: 90:[85, 16] Operation: 2+14=16 Exploring Operation: 14-2=12, Resulting Numbers: [85, 12] Generated Node #0,3,3: 90:[85, 12] Operation: 14-2=12 Exploring Operation: 85+2=87, Resulting Numbers: [14, 87] Generated Node #0,3,4: 90:[14, 87] Operation: 85+2=87 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 90:[14, 87], Operations: ['66-52=14', '85+2=87'] Exploring Operation: 14*87=1218, Resulting Numbers: [1218] 1218,90 unequal: No Solution Exploring Operation: 14+87=101, Resulting Numbers: [101] 101,90 unequal: No Solution Exploring Operation: 87-14=73, Resulting Numbers: [73] 73,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 90:[85, 7], Operations: ['66-52=14', '14/2=7'] Exploring Operation: 85*7=595, Resulting Numbers: [595] 595,90 unequal: No Solution Exploring Operation: 85+7=92, Resulting Numbers: [92] 92,90 unequal: No Solution Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 90:[85, 16], Operations: ['66-52=14', '2+14=16'] Exploring Operation: 85+16=101, Resulting Numbers: [101] 101,90 unequal: No Solution Exploring Operation: 85-16=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 85*16=1360, Resulting Numbers: [1360] 1360,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 90:[85, 28], Operations: ['66-52=14', '2*14=28'] Exploring Operation: 85-28=57, Resulting Numbers: [57] 57,90 unequal: No Solution Exploring Operation: 85*28=2380, Resulting Numbers: [2380] 2380,90 unequal: No Solution Exploring Operation: 85+28=113, Resulting Numbers: [113] 113,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 90:[85, 12], Operations: ['66-52=14', '14-2=12'] Exploring Operation: 85+12=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 85*12=1020, Resulting Numbers: [1020] 1020,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[2, 52, 19], Operations: ['85-66=19'] Exploring Operation: 19-2=17, Resulting Numbers: [52, 17] Generated Node #0,2,0: 90:[52, 17] Operation: 19-2=17 Exploring Operation: 52-19=33, Resulting Numbers: [2, 33] Generated Node #0,2,1: 90:[2, 33] Operation: 52-19=33 Exploring Operation: 52/2=26, Resulting Numbers: [19, 26] Generated Node #0,2,2: 90:[19, 26] Operation: 52/2=26 Exploring Operation: 52-2=50, Resulting Numbers: [19, 50] Generated Node #0,2,3: 90:[19, 50] Operation: 52-2=50 Exploring Operation: 2+52=54, Resulting Numbers: [19, 54] Generated Node #0,2,4: 90:[19, 54] Operation: 2+52=54 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 90:[2, 33], Operations: ['85-66=19', '52-19=33'] Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,90 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,90 unequal: No Solution Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 90:[19, 26], Operations: ['85-66=19', '52/2=26'] Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 19+26=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 19*26=494, Resulting Numbers: [494] 494,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 90:[19, 50], Operations: ['85-66=19', '52-2=50'] Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,90 unequal: No Solution Exploring Operation: 19+50=69, Resulting Numbers: [69] 69,90 unequal: No Solution Exploring Operation: 19*50=950, Resulting Numbers: [950] 950,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 90:[52, 17], Operations: ['85-66=19', '19-2=17'] Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 52*17=884, Resulting Numbers: [884] 884,90 unequal: No Solution Exploring Operation: 52+17=69, Resulting Numbers: [69] 69,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 90:[19, 54], Operations: ['85-66=19', '2+52=54'] Exploring Operation: 19*54=1026, Resulting Numbers: [1026] 1026,90 unequal: No Solution Exploring Operation: 54-19=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 19+54=73, Resulting Numbers: [73] 73,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[85, 52, 33], Operations: ['66/2=33'] Exploring Operation: 85-52=33, Resulting Numbers: [33, 33] Generated Node #0,0,0: 90:[33, 33] Operation: 85-52=33 Exploring Operation: 85-33=52, Resulting Numbers: [52, 52] Generated Node #0,0,1: 90:[52, 52] Operation: 85-33=52 Exploring Operation: 85+33=118, Resulting Numbers: [52, 118] Generated Node #0,0,2: 90:[52, 118] Operation: 85+33=118 Exploring Operation: 52-33=19, Resulting Numbers: [85, 19] Generated Node #0,0,3: 90:[85, 19] Operation: 52-33=19 Exploring Operation: 52+33=85, Resulting Numbers: [85, 85] Generated Node #0,0,4: 90:[85, 85] Operation: 52+33=85 Moving to Node #0,0,0 Current State: 90:[33, 33], Operations: ['66/2=33', '85-52=33'] Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,90 unequal: No Solution Exploring Operation: 33-33=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 33/33=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 33*33=1089, Resulting Numbers: [1089] 1089,90 unequal: No Solution Moving to Node #0,0,3 Current State: 90:[85, 19], Operations: ['66/2=33', '52-33=19'] Exploring Operation: 85+19=104, Resulting Numbers: [104] 104,90 unequal: No Solution Exploring Operation: 85-19=66, Resulting Numbers: [66] 66,90 unequal: No Solution Exploring Operation: 85*19=1615, Resulting Numbers: [1615] 1615,90 unequal: No Solution Moving to Node #0,0,4 Current State: 90:[85, 85], Operations: ['66/2=33', '52+33=85'] Exploring Operation: 85+85=170, Resulting Numbers: [170] 170,90 unequal: No Solution Exploring Operation: 85-85=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 85*85=7225, Resulting Numbers: [7225] 7225,90 unequal: No Solution Exploring Operation: 85/85=1, Resulting Numbers: [1] 1,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[52, 52], Operations: ['66/2=33', '85-33=52'] Exploring Operation: 52+52=104, Resulting Numbers: [104] 104,90 unequal: No Solution Exploring Operation: 52*52=2704, Resulting Numbers: [2704] 2704,90 unequal: No Solution Exploring Operation: 52/52=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 52-52=0, Resulting Numbers: [0] 0,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[52, 118], Operations: ['66/2=33', '85+33=118'] Exploring Operation: 52*118=6136, Resulting Numbers: [6136] 6136,90 unequal: No Solution Exploring Operation: 52+118=170, Resulting Numbers: [170] 170,90 unequal: No Solution Exploring Operation: 118-52=66, Resulting Numbers: [66] 66,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[2, 66, 33], Operations: ['85-52=33'] Exploring Operation: 66/33=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 90:[2, 2] Operation: 66/33=2 Exploring Operation: 66-2=64, Resulting Numbers: [33, 64] Generated Node #0,1,1: 90:[33, 64] Operation: 66-2=64 Exploring Operation: 66-33=33, Resulting Numbers: [2, 33] Generated Node #0,1,2: 90:[2, 33] Operation: 66-33=33 Exploring Operation: 66/2=33, Resulting Numbers: [33, 33] Generated Node #0,1,3: 90:[33, 33] Operation: 66/2=33 Exploring Operation: 66+33=99, Resulting Numbers: [2, 99] Generated Node #0,1,4: 90:[2, 99] Operation: 66+33=99 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 90:[2, 2], Operations: ['85-52=33', '66/33=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,90 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 90:[2, 33], Operations: ['85-52=33', '66-33=33'] Exploring Operation: 2+33=35, Resulting Numbers: [35] 35,90 unequal: No Solution Exploring Operation: 2*33=66, Resulting Numbers: [66] 66,90 unequal: No Solution Exploring Operation: 33-2=31, Resulting Numbers: [31] 31,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 90:[33, 33], Operations: ['85-52=33', '66/2=33'] Exploring Operation: 33/33=1, Resulting Numbers: [1] 1,90 unequal: No Solution Exploring Operation: 33-33=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 33+33=66, Resulting Numbers: [66] 66,90 unequal: No Solution Exploring Operation: 33*33=1089, Resulting Numbers: [1089] 1089,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 90:[2, 99], Operations: ['85-52=33', '66+33=99'] Exploring Operation: 2*99=198, Resulting Numbers: [198] 198,90 unequal: No Solution Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 2+99=101, Resulting Numbers: [101] 101,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 90:[33, 64], Operations: ['85-52=33', '66-2=64'] Exploring Operation: 33+64=97, Resulting Numbers: [97] 97,90 unequal: No Solution Exploring Operation: 33*64=2112, Resulting Numbers: [2112] 2112,90 unequal: No Solution Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 90:[85, 66, 26], Operations: ['52/2=26'] Exploring Operation: 85-66=19, Resulting Numbers: [26, 19] Generated Node #0,4,0: 90:[26, 19] Operation: 85-66=19 Exploring Operation: 85-26=59, Resulting Numbers: [66, 59] Generated Node #0,4,1: 90:[66, 59] Operation: 85-26=59 Exploring Operation: 66-26=40, Resulting Numbers: [85, 40] Generated Node #0,4,2: 90:[85, 40] Operation: 66-26=40 Exploring Operation: 85+26=111, Resulting Numbers: [66, 111] Generated Node #0,4,3: 90:[66, 111] Operation: 85+26=111 Exploring Operation: 66+26=92, Resulting Numbers: [85, 92] Generated Node #0,4,4: 90:[85, 92] Operation: 66+26=92 Moving to Node #0,4,0 Current State: 90:[26, 19], Operations: ['52/2=26', '85-66=19'] Exploring Operation: 26*19=494, Resulting Numbers: [494] 494,90 unequal: No Solution Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,90 unequal: No Solution Moving to Node #0,4,4 Current State: 90:[85, 92], Operations: ['52/2=26', '66+26=92'] Exploring Operation: 85+92=177, Resulting Numbers: [177] 177,90 unequal: No Solution Exploring Operation: 92-85=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 85*92=7820, Resulting Numbers: [7820] 7820,90 unequal: No Solution Moving to Node #0,4,2 Current State: 90:[85, 40], Operations: ['52/2=26', '66-26=40'] Exploring Operation: 85-40=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 85*40=3400, Resulting Numbers: [3400] 3400,90 unequal: No Solution Exploring Operation: 85+40=125, Resulting Numbers: [125] 125,90 unequal: No Solution Moving to Node #0,4,1 Current State: 90:[66, 59], Operations: ['52/2=26', '85-26=59'] Exploring Operation: 66+59=125, Resulting Numbers: [125] 125,90 unequal: No Solution Exploring Operation: 66-59=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 66*59=3894, Resulting Numbers: [3894] 3894,90 unequal: No Solution Moving to Node #0,4,3 Current State: 90:[66, 111], Operations: ['52/2=26', '85+26=111'] Exploring Operation: 66+111=177, Resulting Numbers: [177] 177,90 unequal: No Solution Exploring Operation: 111-66=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 66*111=7326, Resulting Numbers: [7326] 7326,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 83, 32, 56, 85 ]
22
[ "83-32=51", "85-56=29", "51-29=22" ]
Current State: 22:[83, 32, 56, 85], Operations: [] Exploring Operation: 83-32=51, Resulting Numbers: [56, 85, 51] Generated Node #2: [56, 85, 51] from Operation: 83-32=51 Current State: 22:[56, 85, 51], Operations: ['83-32=51'] Exploring Operation: 85-56=29, Resulting Numbers: [51, 29] Generated Node #3: [51, 29] from Operation: 85-56=29 Current State: 22:[51, 29], Operations: ['83-32=51', '85-56=29'] Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[83, 32, 56, 85], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [32, 56, 2] Generated Node #0,0: 22:[32, 56, 2] Operation: 85-83=2 Exploring Operation: 85-56=29, Resulting Numbers: [83, 32, 29] Generated Node #0,1: 22:[83, 32, 29] Operation: 85-56=29 Exploring Operation: 83-32=51, Resulting Numbers: [56, 85, 51] Generated Node #0,2: 22:[56, 85, 51] Operation: 83-32=51 Exploring Operation: 83-56=27, Resulting Numbers: [32, 85, 27] Generated Node #0,3: 22:[32, 85, 27] Operation: 83-56=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[32, 56, 2], Operations: ['85-83=2'] Exploring Operation: 56/2=28, Resulting Numbers: [32, 28] Generated Node #0,0,0: 22:[32, 28] Operation: 56/2=28 Exploring Operation: 32-2=30, Resulting Numbers: [56, 30] Generated Node #0,0,1: 22:[56, 30] Operation: 32-2=30 Exploring Operation: 32/2=16, Resulting Numbers: [56, 16] Generated Node #0,0,2: 22:[56, 16] Operation: 32/2=16 Exploring Operation: 56-32=24, Resulting Numbers: [2, 24] Generated Node #0,0,3: 22:[2, 24] Operation: 56-32=24 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 22:[2, 24], Operations: ['85-83=2', '56-32=24'] Exploring Operation: 2*24=48, Resulting Numbers: [48] 48,22 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[83, 32, 56, 85], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [32, 56, 2] Generated Node #0,0: 22:[32, 56, 2] Operation: 85-83=2 Moving to Node #0,0 Current State: 22:[32, 56, 2], Operations: ['85-83=2'] Exploring Operation: 56-32=24, Resulting Numbers: [2, 24] Generated Node #0,0,3: 22:[2, 24] Operation: 56-32=24 Moving to Node #0,0,3 Current State: 22:[2, 24], Operations: ['85-83=2', '56-32=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 10, 44, 80, 45 ]
88
[ "10+80=90", "44*90=3960", "3960/45=88" ]
Current State: 88:[10, 44, 80, 45], Operations: [] Exploring Operation: 10+80=90, Resulting Numbers: [44, 45, 90] Generated Node #2: [44, 45, 90] from Operation: 10+80=90 Current State: 88:[44, 45, 90], Operations: ['10+80=90'] Exploring Operation: 44*90=3960, Resulting Numbers: [45, 3960] Generated Node #3: [45, 3960] from Operation: 44*90=3960 Current State: 88:[45, 3960], Operations: ['10+80=90', '44*90=3960'] Exploring Operation: 3960/45=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[10, 44, 80, 45], Operations: [] Exploring Operation: 80/10=8, Resulting Numbers: [44, 45, 8] Generated Node #0,0: 88:[44, 45, 8] Operation: 80/10=8 Exploring Operation: 80-44=36, Resulting Numbers: [10, 45, 36] Generated Node #0,1: 88:[10, 45, 36] Operation: 80-44=36 Exploring Operation: 10+80=90, Resulting Numbers: [44, 45, 90] Generated Node #0,2: 88:[44, 45, 90] Operation: 10+80=90 Moving to Node #0,0 Current State: 88:[44, 45, 8], Operations: ['80/10=8'] Exploring Operation: 44+45=89, Resulting Numbers: [8, 89] Generated Node #0,0,0: 88:[8, 89] Operation: 44+45=89 Exploring Operation: 45-8=37, Resulting Numbers: [44, 37] Generated Node #0,0,1: 88:[44, 37] Operation: 45-8=37 Exploring Operation: 45-44=1, Resulting Numbers: [8, 1] Generated Node #0,0,2: 88:[8, 1] Operation: 45-44=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[8, 89], Operations: ['80/10=8', '44+45=89'] Exploring Operation: 8*89=712, Resulting Numbers: [712] 712,88 unequal: No Solution Exploring Operation: 8+89=97, Resulting Numbers: [97] 97,88 unequal: No Solution Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 88:[8, 1], Operations: ['80/10=8', '45-44=1'] Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[44, 37], Operations: ['80/10=8', '45-8=37'] Exploring Operation: 44+37=81, Resulting Numbers: [81] 81,88 unequal: No Solution Exploring Operation: 44*37=1628, Resulting Numbers: [1628] 1628,88 unequal: No Solution Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,88 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: 88:[44, 45, 90], Operations: ['10+80=90'] Exploring Operation: 44+45=89, Resulting Numbers: [90, 89] Generated Node #0,2,0: 88:[90, 89] Operation: 44+45=89 Exploring Operation: 90-45=45, Resulting Numbers: [44, 45] Generated Node #0,2,1: 88:[44, 45] Operation: 90-45=45 Exploring Operation: 90/45=2, Resulting Numbers: [44, 2] Generated Node #0,2,2: 88:[44, 2] Operation: 90/45=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 88:[44, 2], Operations: ['10+80=90', '90/45=2'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,88 unequal: No Solution Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,88 unequal: No Solution Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[10, 44, 80, 45], Operations: [] Exploring Operation: 10+80=90, Resulting Numbers: [44, 45, 90] Generated Node #0,2: 88:[44, 45, 90] Operation: 10+80=90 Moving to Node #0,2 Current State: 88:[44, 45, 90], Operations: ['10+80=90'] Exploring Operation: 90/45=2, Resulting Numbers: [44, 2] Generated Node #0,2,2: 88:[44, 2] Operation: 90/45=2 Moving to Node #0,2,2 Current State: 88:[44, 2], Operations: ['10+80=90', '90/45=2'] Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 70, 47, 60, 60 ]
22
[ "70-47=23", "60/60=1", "23-1=22" ]
Current State: 22:[70, 47, 60, 60], Operations: [] Exploring Operation: 70-47=23, Resulting Numbers: [60, 60, 23] Generated Node #2: [60, 60, 23] from Operation: 70-47=23 Current State: 22:[60, 60, 23], Operations: ['70-47=23'] Exploring Operation: 60/60=1, Resulting Numbers: [23, 1] Generated Node #3: [23, 1] from Operation: 60/60=1 Current State: 22:[23, 1], Operations: ['70-47=23', '60/60=1'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[70, 47, 60, 60], Operations: [] Exploring Operation: 70-60=10, Resulting Numbers: [47, 60, 10] Generated Node #0,0: 22:[47, 60, 10] Operation: 70-60=10 Exploring Operation: 60/60=1, Resulting Numbers: [70, 47, 1] Generated Node #0,1: 22:[70, 47, 1] Operation: 60/60=1 Exploring Operation: 70-60=10, Resulting Numbers: [47, 60, 10] Generated Node #0,2: 22:[47, 60, 10] Operation: 70-60=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[47, 60, 10], Operations: ['70-60=10'] Exploring Operation: 60/10=6, Resulting Numbers: [47, 6] Generated Node #0,0,0: 22:[47, 6] Operation: 60/10=6 Exploring Operation: 60-47=13, Resulting Numbers: [10, 13] Generated Node #0,0,1: 22:[10, 13] Operation: 60-47=13 Exploring Operation: 47-10=37, Resulting Numbers: [60, 37] Generated Node #0,0,2: 22:[60, 37] Operation: 47-10=37 Moving to Node #0,0,1 Current State: 22:[10, 13], Operations: ['70-60=10', '60-47=13'] Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 10*13=130, Resulting Numbers: [130] 130,22 unequal: No Solution Moving to Node #0,0,0 Current State: 22:[47, 6], Operations: ['70-60=10', '60/10=6'] Exploring Operation: 47*6=282, Resulting Numbers: [282] 282,22 unequal: No Solution Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,22 unequal: No Solution Moving to Node #0,0,2 Current State: 22:[60, 37], Operations: ['70-60=10', '47-10=37'] Exploring Operation: 60*37=2220, Resulting Numbers: [2220] 2220,22 unequal: No Solution Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 60+37=97, Resulting Numbers: [97] 97,22 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 #0,2 Current State: 22:[47, 60, 10], Operations: ['70-60=10'] Exploring Operation: 60/10=6, Resulting Numbers: [47, 6] Generated Node #0,2,0: 22:[47, 6] Operation: 60/10=6 Exploring Operation: 60-47=13, Resulting Numbers: [10, 13] Generated Node #0,2,1: 22:[10, 13] Operation: 60-47=13 Exploring Operation: 47-10=37, Resulting Numbers: [60, 37] Generated Node #0,2,2: 22:[60, 37] Operation: 47-10=37 Moving to Node #0,2,1 Current State: 22:[10, 13], Operations: ['70-60=10', '60-47=13'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 10*13=130, Resulting Numbers: [130] 130,22 unequal: No Solution Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,22 unequal: No Solution Moving to Node #0,2,0 Current State: 22:[47, 6], Operations: ['70-60=10', '60/10=6'] Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,22 unequal: No Solution Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,22 unequal: No Solution Exploring Operation: 47*6=282, Resulting Numbers: [282] 282,22 unequal: No Solution Moving to Node #0,2,2 Current State: 22:[60, 37], Operations: ['70-60=10', '47-10=37'] Exploring Operation: 60*37=2220, Resulting Numbers: [2220] 2220,22 unequal: No Solution Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 60+37=97, Resulting Numbers: [97] 97,22 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 #0,1 Current State: 22:[70, 47, 1], Operations: ['60/60=1'] Exploring Operation: 70-1=69, Resulting Numbers: [47, 69] Generated Node #0,1,0: 22:[47, 69] Operation: 70-1=69 Exploring Operation: 47-1=46, Resulting Numbers: [70, 46] Generated Node #0,1,1: 22:[70, 46] Operation: 47-1=46 Exploring Operation: 70-47=23, Resulting Numbers: [1, 23] Generated Node #0,1,2: 22:[1, 23] Operation: 70-47=23 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 22:[1, 23], Operations: ['60/60=1', '70-47=23'] Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 1*23=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[70, 47, 60, 60], Operations: [] Exploring Operation: 60/60=1, Resulting Numbers: [70, 47, 1] Generated Node #0,1: 22:[70, 47, 1] Operation: 60/60=1 Moving to Node #0,1 Current State: 22:[70, 47, 1], Operations: ['60/60=1'] Exploring Operation: 70-47=23, Resulting Numbers: [1, 23] Generated Node #0,1,2: 22:[1, 23] Operation: 70-47=23 Moving to Node #0,1,2 Current State: 22:[1, 23], Operations: ['60/60=1', '70-47=23'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_3
mult_heuristic
[ 32, 9, 18, 15 ]
20
[ "32-9=23", "18-15=3", "23-3=20" ]
Current State: 20:[32, 9, 18, 15], Operations: [] Exploring Operation: 32-9=23, Resulting Numbers: [18, 15, 23] Generated Node #2: [18, 15, 23] from Operation: 32-9=23 Current State: 20:[18, 15, 23], Operations: ['32-9=23'] Exploring Operation: 18-15=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 18-15=3 Current State: 20:[23, 3], Operations: ['32-9=23', '18-15=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[32, 9, 18, 15], Operations: [] Exploring Operation: 32-15=17, Resulting Numbers: [9, 18, 17] Generated Node #0,0: 20:[9, 18, 17] Operation: 32-15=17 Exploring Operation: 32-9=23, Resulting Numbers: [18, 15, 23] Generated Node #0,1: 20:[18, 15, 23] Operation: 32-9=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[9, 18, 17], Operations: ['32-15=17'] Exploring Operation: 18-17=1, Resulting Numbers: [9, 1] Generated Node #0,0,0: 20:[9, 1] Operation: 18-17=1 Exploring Operation: 18/9=2, Resulting Numbers: [17, 2] Generated Node #0,0,1: 20:[17, 2] Operation: 18/9=2 Moving to Node #0,0,0 Current State: 20:[9, 1], Operations: ['32-15=17', '18-17=1'] Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[17, 2], Operations: ['32-15=17', '18/9=2'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,20 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[18, 15, 23], Operations: ['32-9=23'] Exploring Operation: 18-15=3, Resulting Numbers: [23, 3] Generated Node #0,1,0: 20:[23, 3] Operation: 18-15=3 Exploring Operation: 23-15=8, Resulting Numbers: [18, 8] Generated Node #0,1,1: 20:[18, 8] Operation: 23-15=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[23, 3], Operations: ['32-9=23', '18-15=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[32, 9, 18, 15], Operations: [] Exploring Operation: 32-9=23, Resulting Numbers: [18, 15, 23] Generated Node #0,1: 20:[18, 15, 23] Operation: 32-9=23 Moving to Node #0,1 Current State: 20:[18, 15, 23], Operations: ['32-9=23'] Exploring Operation: 18-15=3, Resulting Numbers: [23, 3] Generated Node #0,1,0: 20:[23, 3] Operation: 18-15=3 Moving to Node #0,1,0 Current State: 20:[23, 3], Operations: ['32-9=23', '18-15=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic