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
[ 76, 2, 34, 52 ]
98
[ "76+52=128", "128/2=64", "34+64=98" ]
Current State: 98:[76, 2, 34, 52], Operations: [] Exploring Operation: 76+52=128, Resulting Numbers: [2, 34, 128] Generated Node #2: [2, 34, 128] from Operation: 76+52=128 Current State: 98:[2, 34, 128], Operations: ['76+52=128'] Exploring Operation: 128/2=64, Resulting Numbers: [34, 64] Generated Node #3: [34, 64] from Operation: 128/2=64 Current State: 98:[34, 64], Operations: ['76+52=128', '128/2=64'] Exploring Operation: 34+64=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[76, 2, 34, 52], Operations: [] Exploring Operation: 76-34=42, Resulting Numbers: [2, 52, 42] Generated Node #0,0: 98:[2, 52, 42] Operation: 76-34=42 Moving to Node #0,0 Current State: 98:[2, 52, 42], Operations: ['76-34=42'] Exploring Operation: 52-42=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 98:[2, 10] Operation: 52-42=10 Moving to Node #0,0,0 Current State: 98:[2, 10], Operations: ['76-34=42', '52-42=10'] Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,98 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 15, 90, 17, 56 ]
32
[ "15+90=105", "17+56=73", "105-73=32" ]
Current State: 32:[15, 90, 17, 56], Operations: [] Exploring Operation: 15+90=105, Resulting Numbers: [17, 56, 105] Generated Node #2: [17, 56, 105] from Operation: 15+90=105 Current State: 32:[17, 56, 105], Operations: ['15+90=105'] Exploring Operation: 17+56=73, Resulting Numbers: [105, 73] Generated Node #3: [105, 73] from Operation: 17+56=73 Current State: 32:[105, 73], Operations: ['15+90=105', '17+56=73'] Exploring Operation: 105-73=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[15, 90, 17, 56], Operations: [] Exploring Operation: 90-15=75, Resulting Numbers: [17, 56, 75] Generated Node #0,0: 32:[17, 56, 75] Operation: 90-15=75 Exploring Operation: 56-17=39, Resulting Numbers: [15, 90, 39] Generated Node #0,1: 32:[15, 90, 39] Operation: 56-17=39 Exploring Operation: 90-17=73, Resulting Numbers: [15, 56, 73] Generated Node #0,2: 32:[15, 56, 73] Operation: 90-17=73 Exploring Operation: 90-56=34, Resulting Numbers: [15, 17, 34] Generated Node #0,3: 32:[15, 17, 34] Operation: 90-56=34 Exploring Operation: 90/15=6, Resulting Numbers: [17, 56, 6] Generated Node #0,4: 32:[17, 56, 6] Operation: 90/15=6 Moving to Node #0,3 Current State: 32:[15, 17, 34], Operations: ['90-56=34'] Exploring Operation: 17-15=2, Resulting Numbers: [34, 2] Generated Node #0,3,0: 32:[34, 2] Operation: 17-15=2 Exploring Operation: 34-15=19, Resulting Numbers: [17, 19] Generated Node #0,3,1: 32:[17, 19] Operation: 34-15=19 Exploring Operation: 15+17=32, Resulting Numbers: [34, 32] Generated Node #0,3,2: 32:[34, 32] Operation: 15+17=32 Exploring Operation: 34-17=17, Resulting Numbers: [15, 17] Generated Node #0,3,3: 32:[15, 17] Operation: 34-17=17 Exploring Operation: 34/17=2, Resulting Numbers: [15, 2] Generated Node #0,3,4: 32:[15, 2] Operation: 34/17=2 Moving to Node #0,4 Current State: 32:[17, 56, 6], Operations: ['90/15=6'] Exploring Operation: 17-6=11, Resulting Numbers: [56, 11] Generated Node #0,4,0: 32:[56, 11] Operation: 17-6=11 Exploring Operation: 56+6=62, Resulting Numbers: [17, 62] Generated Node #0,4,1: 32:[17, 62] Operation: 56+6=62 Exploring Operation: 17+6=23, Resulting Numbers: [56, 23] Generated Node #0,4,2: 32:[56, 23] Operation: 17+6=23 Exploring Operation: 56-17=39, Resulting Numbers: [6, 39] Generated Node #0,4,3: 32:[6, 39] Operation: 56-17=39 Exploring Operation: 56-6=50, Resulting Numbers: [17, 50] Generated Node #0,4,4: 32:[17, 50] Operation: 56-6=50 Moving to Node #0,1 Current State: 32:[15, 90, 39], Operations: ['56-17=39'] Exploring Operation: 15+90=105, Resulting Numbers: [39, 105] Generated Node #0,1,0: 32:[39, 105] Operation: 15+90=105 Exploring Operation: 39-15=24, Resulting Numbers: [90, 24] Generated Node #0,1,1: 32:[90, 24] Operation: 39-15=24 Exploring Operation: 90/15=6, Resulting Numbers: [39, 6] Generated Node #0,1,2: 32:[39, 6] Operation: 90/15=6 Exploring Operation: 90-15=75, Resulting Numbers: [39, 75] Generated Node #0,1,3: 32:[39, 75] Operation: 90-15=75 Exploring Operation: 90-39=51, Resulting Numbers: [15, 51] Generated Node #0,1,4: 32:[15, 51] Operation: 90-39=51 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 32:[39, 6], Operations: ['56-17=39', '90/15=6'] Exploring Operation: 39+6=45, Resulting Numbers: [45] 45,32 unequal: No Solution Exploring Operation: 39*6=234, Resulting Numbers: [234] 234,32 unequal: No Solution Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 32:[15, 51], Operations: ['56-17=39', '90-39=51'] Exploring Operation: 15*51=765, Resulting Numbers: [765] 765,32 unequal: No Solution Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 15+51=66, Resulting Numbers: [66] 66,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 32:[39, 75], Operations: ['56-17=39', '90-15=75'] Exploring Operation: 39*75=2925, Resulting Numbers: [2925] 2925,32 unequal: No Solution Exploring Operation: 39+75=114, Resulting Numbers: [114] 114,32 unequal: No Solution Exploring Operation: 75-39=36, Resulting Numbers: [36] 36,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[90, 24], Operations: ['56-17=39', '39-15=24'] Exploring Operation: 90*24=2160, Resulting Numbers: [2160] 2160,32 unequal: No Solution Exploring Operation: 90-24=66, Resulting Numbers: [66] 66,32 unequal: No Solution Exploring Operation: 90+24=114, Resulting Numbers: [114] 114,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[39, 105], Operations: ['56-17=39', '15+90=105'] Exploring Operation: 39*105=4095, Resulting Numbers: [4095] 4095,32 unequal: No Solution Exploring Operation: 39+105=144, Resulting Numbers: [144] 144,32 unequal: No Solution Exploring Operation: 105-39=66, Resulting Numbers: [66] 66,32 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: 32:[15, 56, 73], Operations: ['90-17=73'] Exploring Operation: 15+56=71, Resulting Numbers: [73, 71] Generated Node #0,2,0: 32:[73, 71] Operation: 15+56=71 Exploring Operation: 56-15=41, Resulting Numbers: [73, 41] Generated Node #0,2,1: 32:[73, 41] Operation: 56-15=41 Exploring Operation: 15+73=88, Resulting Numbers: [56, 88] Generated Node #0,2,2: 32:[56, 88] Operation: 15+73=88 Exploring Operation: 73-15=58, Resulting Numbers: [56, 58] Generated Node #0,2,3: 32:[56, 58] Operation: 73-15=58 Exploring Operation: 73-56=17, Resulting Numbers: [15, 17] Generated Node #0,2,4: 32:[15, 17] Operation: 73-56=17 Moving to Node #0,0 Current State: 32:[17, 56, 75], Operations: ['90-15=75'] Exploring Operation: 56-17=39, Resulting Numbers: [75, 39] Generated Node #0,0,0: 32:[75, 39] Operation: 56-17=39 Exploring Operation: 17+75=92, Resulting Numbers: [56, 92] Generated Node #0,0,1: 32:[56, 92] Operation: 17+75=92 Exploring Operation: 17+56=73, Resulting Numbers: [75, 73] Generated Node #0,0,2: 32:[75, 73] Operation: 17+56=73 Exploring Operation: 75-56=19, Resulting Numbers: [17, 19] Generated Node #0,0,3: 32:[17, 19] Operation: 75-56=19 Exploring Operation: 75-17=58, Resulting Numbers: [56, 58] Generated Node #0,0,4: 32:[56, 58] Operation: 75-17=58 Moving to Node #0,3,4 Current State: 32:[15, 2], Operations: ['90-56=34', '34/17=2'] Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,32 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,32 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[34, 32], Operations: ['90-56=34', '15+17=32'] Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,32 unequal: No Solution Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,32 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[34, 2], Operations: ['90-56=34', '17-15=2'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,32 unequal: No Solution Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,32 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,32 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[15, 90, 17, 56], Operations: [] Exploring Operation: 90-56=34, Resulting Numbers: [15, 17, 34] Generated Node #0,3: 32:[15, 17, 34] Operation: 90-56=34 Moving to Node #0,3 Current State: 32:[15, 17, 34], Operations: ['90-56=34'] Exploring Operation: 17-15=2, Resulting Numbers: [34, 2] Generated Node #0,3,0: 32:[34, 2] Operation: 17-15=2 Moving to Node #0,3,0 Current State: 32:[34, 2], Operations: ['90-56=34', '17-15=2'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.948785
hs_5
mult_heuristic
[ 38, 20, 4, 49 ]
55
[ "49-38=11", "20/4=5", "11*5=55" ]
Current State: 55:[38, 20, 4, 49], Operations: [] Exploring Operation: 49-38=11, Resulting Numbers: [20, 4, 11] Generated Node #2: [20, 4, 11] from Operation: 49-38=11 Current State: 55:[20, 4, 11], Operations: ['49-38=11'] Exploring Operation: 20/4=5, Resulting Numbers: [11, 5] Generated Node #3: [11, 5] from Operation: 20/4=5 Current State: 55:[11, 5], Operations: ['49-38=11', '20/4=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[38, 20, 4, 49], Operations: [] Exploring Operation: 38+4=42, Resulting Numbers: [20, 49, 42] Generated Node #0,0: 55:[20, 49, 42] Operation: 38+4=42 Exploring Operation: 20/4=5, Resulting Numbers: [38, 49, 5] Generated Node #0,1: 55:[38, 49, 5] Operation: 20/4=5 Exploring Operation: 49-38=11, Resulting Numbers: [20, 4, 11] Generated Node #0,2: 55:[20, 4, 11] Operation: 49-38=11 Exploring Operation: 38-20=18, Resulting Numbers: [4, 49, 18] Generated Node #0,3: 55:[4, 49, 18] Operation: 38-20=18 Exploring Operation: 38+20=58, Resulting Numbers: [4, 49, 58] Generated Node #0,4: 55:[4, 49, 58] Operation: 38+20=58 Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[20, 4, 11], Operations: ['49-38=11'] Exploring Operation: 20/4=5, Resulting Numbers: [11, 5] Generated Node #0,2,0: 55:[11, 5] Operation: 20/4=5 Exploring Operation: 20-11=9, Resulting Numbers: [4, 9] Generated Node #0,2,1: 55:[4, 9] Operation: 20-11=9 Exploring Operation: 20+4=24, Resulting Numbers: [11, 24] Generated Node #0,2,2: 55:[11, 24] Operation: 20+4=24 Exploring Operation: 20-4=16, Resulting Numbers: [11, 16] Generated Node #0,2,3: 55:[11, 16] Operation: 20-4=16 Exploring Operation: 11-4=7, Resulting Numbers: [20, 7] Generated Node #0,2,4: 55:[20, 7] Operation: 11-4=7 Moving to Node #0,2,0 Current State: 55:[11, 5], Operations: ['49-38=11', '20/4=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[38, 20, 4, 49], Operations: [] Exploring Operation: 49-38=11, Resulting Numbers: [20, 4, 11] Generated Node #0,2: 55:[20, 4, 11] Operation: 49-38=11 Moving to Node #0,2 Current State: 55:[20, 4, 11], Operations: ['49-38=11'] Exploring Operation: 20/4=5, Resulting Numbers: [11, 5] Generated Node #0,2,0: 55:[11, 5] Operation: 20/4=5 Moving to Node #0,2,0 Current State: 55:[11, 5], Operations: ['49-38=11', '20/4=5'] Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 6, 76, 16, 73 ]
66
[ "6+16=22", "76-73=3", "22*3=66" ]
Current State: 66:[6, 76, 16, 73], Operations: [] Exploring Operation: 6+16=22, Resulting Numbers: [76, 73, 22] Generated Node #2: [76, 73, 22] from Operation: 6+16=22 Current State: 66:[76, 73, 22], Operations: ['6+16=22'] Exploring Operation: 76-73=3, Resulting Numbers: [22, 3] Generated Node #3: [22, 3] from Operation: 76-73=3 Current State: 66:[22, 3], Operations: ['6+16=22', '76-73=3'] Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[6, 76, 16, 73], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [6, 16, 3] Generated Node #0,0: 66:[6, 16, 3] Operation: 76-73=3 Exploring Operation: 76-16=60, Resulting Numbers: [6, 73, 60] Generated Node #0,1: 66:[6, 73, 60] Operation: 76-16=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[6, 16, 3], Operations: ['76-73=3'] Exploring Operation: 6+16=22, Resulting Numbers: [3, 22] Generated Node #0,0,0: 66:[3, 22] Operation: 6+16=22 Exploring Operation: 16-6=10, Resulting Numbers: [3, 10] Generated Node #0,0,1: 66:[3, 10] Operation: 16-6=10 Moving to Node #0,0,0 Current State: 66:[3, 22], Operations: ['76-73=3', '6+16=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,66 unequal: No Solution Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[6, 76, 16, 73], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [6, 16, 3] Generated Node #0,0: 66:[6, 16, 3] Operation: 76-73=3 Moving to Node #0,0 Current State: 66:[6, 16, 3], Operations: ['76-73=3'] Exploring Operation: 6+16=22, Resulting Numbers: [3, 22] Generated Node #0,0,0: 66:[3, 22] Operation: 6+16=22 Moving to Node #0,0,0 Current State: 66:[3, 22], Operations: ['76-73=3', '6+16=22'] Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 90, 99, 99, 25 ]
65
[ "90+99=189", "99+25=124", "189-124=65" ]
Current State: 65:[90, 99, 99, 25], Operations: [] Exploring Operation: 90+99=189, Resulting Numbers: [25, 189] Generated Node #2: [25, 189] from Operation: 90+99=189 Current State: 65:[25, 189], Operations: ['90+99=189'] Exploring Operation: 99+25=124, Resulting Numbers: [189, 124] Generated Node #3: [189, 124] from Operation: 99+25=124 Current State: 65:[189, 124], Operations: ['90+99=189', '99+25=124'] Exploring Operation: 189-124=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[90, 99, 99, 25], Operations: [] Exploring Operation: 99-90=9, Resulting Numbers: [99, 25, 9] Generated Node #0,0: 65:[99, 25, 9] Operation: 99-90=9 Exploring Operation: 99-90=9, Resulting Numbers: [99, 25, 9] Generated Node #0,1: 65:[99, 25, 9] Operation: 99-90=9 Exploring Operation: 99-99=0, Resulting Numbers: [90, 25, 0] Generated Node #0,2: 65:[90, 25, 0] Operation: 99-99=0 Exploring Operation: 99/99=1, Resulting Numbers: [90, 25, 1] Generated Node #0,3: 65:[90, 25, 1] Operation: 99/99=1 Start Sub Search at level 1: Moving to Node #0,3 Current State: 65:[90, 25, 1], Operations: ['99/99=1'] Exploring Operation: 90*1=90, Resulting Numbers: [25, 90] Generated Node #0,3,0: 65:[25, 90] Operation: 90*1=90 Exploring Operation: 25-1=24, Resulting Numbers: [90, 24] Generated Node #0,3,1: 65:[90, 24] Operation: 25-1=24 Exploring Operation: 90-25=65, Resulting Numbers: [1, 65] Generated Node #0,3,2: 65:[1, 65] Operation: 90-25=65 Exploring Operation: 90-1=89, Resulting Numbers: [25, 89] Generated Node #0,3,3: 65:[25, 89] Operation: 90-1=89 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 65:[1, 65], Operations: ['99/99=1', '90-25=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,65 unequal: No Solution Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[90, 99, 99, 25], Operations: [] Exploring Operation: 99/99=1, Resulting Numbers: [90, 25, 1] Generated Node #0,3: 65:[90, 25, 1] Operation: 99/99=1 Moving to Node #0,3 Current State: 65:[90, 25, 1], Operations: ['99/99=1'] Exploring Operation: 90-25=65, Resulting Numbers: [1, 65] Generated Node #0,3,2: 65:[1, 65] Operation: 90-25=65 Moving to Node #0,3,2 Current State: 65:[1, 65], Operations: ['99/99=1', '90-25=65'] Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 26, 44, 49, 3 ]
73
[ "26*3=78", "49-44=5", "78-5=73" ]
Current State: 73:[26, 44, 49, 3], Operations: [] Exploring Operation: 26*3=78, Resulting Numbers: [44, 49, 78] Generated Node #2: [44, 49, 78] from Operation: 26*3=78 Current State: 73:[44, 49, 78], Operations: ['26*3=78'] Exploring Operation: 49-44=5, Resulting Numbers: [78, 5] Generated Node #3: [78, 5] from Operation: 49-44=5 Current State: 73:[78, 5], Operations: ['26*3=78', '49-44=5'] Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[26, 44, 49, 3], Operations: [] Exploring Operation: 26*3=78, Resulting Numbers: [44, 49, 78] Generated Node #0,0: 73:[44, 49, 78] Operation: 26*3=78 Exploring Operation: 26+3=29, Resulting Numbers: [44, 49, 29] Generated Node #0,1: 73:[44, 49, 29] Operation: 26+3=29 Exploring Operation: 26+44=70, Resulting Numbers: [49, 3, 70] Generated Node #0,2: 73:[49, 3, 70] Operation: 26+44=70 Moving to Node #0,0 Current State: 73:[44, 49, 78], Operations: ['26*3=78'] Exploring Operation: 44+49=93, Resulting Numbers: [78, 93] Generated Node #0,0,0: 73:[78, 93] Operation: 44+49=93 Exploring Operation: 78-44=34, Resulting Numbers: [49, 34] Generated Node #0,0,1: 73:[49, 34] Operation: 78-44=34 Exploring Operation: 49-44=5, Resulting Numbers: [78, 5] Generated Node #0,0,2: 73:[78, 5] Operation: 49-44=5 Moving to Node #0,1 Current State: 73:[44, 49, 29], Operations: ['26+3=29'] Exploring Operation: 49+29=78, Resulting Numbers: [44, 78] Generated Node #0,1,0: 73:[44, 78] Operation: 49+29=78 Exploring Operation: 44+49=93, Resulting Numbers: [29, 93] Generated Node #0,1,1: 73:[29, 93] Operation: 44+49=93 Exploring Operation: 44+29=73, Resulting Numbers: [49, 73] Generated Node #0,1,2: 73:[49, 73] Operation: 44+29=73 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[49, 73], Operations: ['26+3=29', '44+29=73'] Exploring Operation: 49+73=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 73-49=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 49*73=3577, Resulting Numbers: [3577] 3577,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[44, 78], Operations: ['26+3=29', '49+29=78'] Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,73 unequal: No Solution Exploring Operation: 44*78=3432, Resulting Numbers: [3432] 3432,73 unequal: No Solution Exploring Operation: 44+78=122, Resulting Numbers: [122] 122,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[29, 93], Operations: ['26+3=29', '44+49=93'] Exploring Operation: 93-29=64, Resulting Numbers: [64] 64,73 unequal: No Solution Exploring Operation: 29+93=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 29*93=2697, Resulting Numbers: [2697] 2697,73 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: 73:[49, 3, 70], Operations: ['26+44=70'] Exploring Operation: 49+3=52, Resulting Numbers: [70, 52] Generated Node #0,2,0: 73:[70, 52] Operation: 49+3=52 Exploring Operation: 49-3=46, Resulting Numbers: [70, 46] Generated Node #0,2,1: 73:[70, 46] Operation: 49-3=46 Exploring Operation: 3+70=73, Resulting Numbers: [49, 73] Generated Node #0,2,2: 73:[49, 73] Operation: 3+70=73 Moving to Node #0,2,0 Current State: 73:[70, 52], Operations: ['26+44=70', '49+3=52'] Exploring Operation: 70+52=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 70*52=3640, Resulting Numbers: [3640] 3640,73 unequal: No Solution Exploring Operation: 70-52=18, Resulting Numbers: [18] 18,73 unequal: No Solution Moving to Node #0,2,2 Current State: 73:[49, 73], Operations: ['26+44=70', '3+70=73'] Exploring Operation: 49+73=122, Resulting Numbers: [122] 122,73 unequal: No Solution Exploring Operation: 73-49=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 49*73=3577, Resulting Numbers: [3577] 3577,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[78, 93], Operations: ['26*3=78', '44+49=93'] Exploring Operation: 93-78=15, Resulting Numbers: [15] 15,73 unequal: No Solution Exploring Operation: 78*93=7254, Resulting Numbers: [7254] 7254,73 unequal: No Solution Exploring Operation: 78+93=171, Resulting Numbers: [171] 171,73 unequal: No Solution Moving to Node #0,2,1 Current State: 73:[70, 46], Operations: ['26+44=70', '49-3=46'] Exploring Operation: 70-46=24, Resulting Numbers: [24] 24,73 unequal: No Solution Exploring Operation: 70*46=3220, Resulting Numbers: [3220] 3220,73 unequal: No Solution Exploring Operation: 70+46=116, Resulting Numbers: [116] 116,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[49, 34], Operations: ['26*3=78', '78-44=34'] Exploring Operation: 49-34=15, Resulting Numbers: [15] 15,73 unequal: No Solution Exploring Operation: 49*34=1666, Resulting Numbers: [1666] 1666,73 unequal: No Solution Exploring Operation: 49+34=83, Resulting Numbers: [83] 83,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[78, 5], Operations: ['26*3=78', '49-44=5'] Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[26, 44, 49, 3], Operations: [] Exploring Operation: 26*3=78, Resulting Numbers: [44, 49, 78] Generated Node #0,0: 73:[44, 49, 78] Operation: 26*3=78 Moving to Node #0,0 Current State: 73:[44, 49, 78], Operations: ['26*3=78'] Exploring Operation: 49-44=5, Resulting Numbers: [78, 5] Generated Node #0,0,2: 73:[78, 5] Operation: 49-44=5 Moving to Node #0,0,2 Current State: 73:[78, 5], Operations: ['26*3=78', '49-44=5'] Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
0.96441
hs_3
mult_heuristic
[ 42, 9, 82, 6 ]
84
[ "42/6=7", "9+82=91", "91-7=84" ]
Current State: 84:[42, 9, 82, 6], Operations: [] Exploring Operation: 42/6=7, Resulting Numbers: [9, 82, 7] Generated Node #2: [9, 82, 7] from Operation: 42/6=7 Current State: 84:[9, 82, 7], Operations: ['42/6=7'] Exploring Operation: 9+82=91, Resulting Numbers: [7, 91] Generated Node #3: [7, 91] from Operation: 9+82=91 Current State: 84:[7, 91], Operations: ['42/6=7', '9+82=91'] Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[42, 9, 82, 6], Operations: [] Exploring Operation: 9-6=3, Resulting Numbers: [42, 82, 3] Generated Node #0,0: 84:[42, 82, 3] Operation: 9-6=3 Exploring Operation: 42/6=7, Resulting Numbers: [9, 82, 7] Generated Node #0,1: 84:[9, 82, 7] Operation: 42/6=7 Exploring Operation: 9+6=15, Resulting Numbers: [42, 82, 15] Generated Node #0,2: 84:[42, 82, 15] Operation: 9+6=15 Exploring Operation: 82-42=40, Resulting Numbers: [9, 6, 40] Generated Node #0,3: 84:[9, 6, 40] Operation: 82-42=40 Exploring Operation: 82+6=88, Resulting Numbers: [42, 9, 88] Generated Node #0,4: 84:[42, 9, 88] Operation: 82+6=88 Moving to Node #0,0 Current State: 84:[42, 82, 3], Operations: ['9-6=3'] Exploring Operation: 42/3=14, Resulting Numbers: [82, 14] Generated Node #0,0,0: 84:[82, 14] Operation: 42/3=14 Exploring Operation: 82-42=40, Resulting Numbers: [3, 40] Generated Node #0,0,1: 84:[3, 40] Operation: 82-42=40 Exploring Operation: 42+3=45, Resulting Numbers: [82, 45] Generated Node #0,0,2: 84:[82, 45] Operation: 42+3=45 Exploring Operation: 82+3=85, Resulting Numbers: [42, 85] Generated Node #0,0,3: 84:[42, 85] Operation: 82+3=85 Exploring Operation: 42-3=39, Resulting Numbers: [82, 39] Generated Node #0,0,4: 84:[82, 39] Operation: 42-3=39 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 84:[42, 85], Operations: ['9-6=3', '82+3=85'] Exploring Operation: 42*85=3570, Resulting Numbers: [3570] 3570,84 unequal: No Solution Exploring Operation: 42+85=127, Resulting Numbers: [127] 127,84 unequal: No Solution Exploring Operation: 85-42=43, Resulting Numbers: [43] 43,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[82, 14], Operations: ['9-6=3', '42/3=14'] Exploring Operation: 82-14=68, Resulting Numbers: [68] 68,84 unequal: No Solution Exploring Operation: 82+14=96, Resulting Numbers: [96] 96,84 unequal: No Solution Exploring Operation: 82*14=1148, Resulting Numbers: [1148] 1148,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[3, 40], Operations: ['9-6=3', '82-42=40'] Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,84 unequal: No Solution Exploring Operation: 3*40=120, Resulting Numbers: [120] 120,84 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[82, 45], Operations: ['9-6=3', '42+3=45'] Exploring Operation: 82+45=127, Resulting Numbers: [127] 127,84 unequal: No Solution Exploring Operation: 82*45=3690, Resulting Numbers: [3690] 3690,84 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 84:[82, 39], Operations: ['9-6=3', '42-3=39'] Exploring Operation: 82*39=3198, Resulting Numbers: [3198] 3198,84 unequal: No Solution Exploring Operation: 82+39=121, Resulting Numbers: [121] 121,84 unequal: No Solution Exploring Operation: 82-39=43, Resulting Numbers: [43] 43,84 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: 84:[42, 82, 15], Operations: ['9+6=15'] Exploring Operation: 82-42=40, Resulting Numbers: [15, 40] Generated Node #0,2,0: 84:[15, 40] Operation: 82-42=40 Exploring Operation: 42+15=57, Resulting Numbers: [82, 57] Generated Node #0,2,1: 84:[82, 57] Operation: 42+15=57 Exploring Operation: 82-15=67, Resulting Numbers: [42, 67] Generated Node #0,2,2: 84:[42, 67] Operation: 82-15=67 Exploring Operation: 82+15=97, Resulting Numbers: [42, 97] Generated Node #0,2,3: 84:[42, 97] Operation: 82+15=97 Exploring Operation: 42-15=27, Resulting Numbers: [82, 27] Generated Node #0,2,4: 84:[82, 27] Operation: 42-15=27 Moving to Node #0,1 Current State: 84:[9, 82, 7], Operations: ['42/6=7'] Exploring Operation: 9-7=2, Resulting Numbers: [82, 2] Generated Node #0,1,0: 84:[82, 2] Operation: 9-7=2 Exploring Operation: 9+82=91, Resulting Numbers: [7, 91] Generated Node #0,1,1: 84:[7, 91] Operation: 9+82=91 Exploring Operation: 82+7=89, Resulting Numbers: [9, 89] Generated Node #0,1,2: 84:[9, 89] Operation: 82+7=89 Exploring Operation: 9+7=16, Resulting Numbers: [82, 16] Generated Node #0,1,3: 84:[82, 16] Operation: 9+7=16 Exploring Operation: 82-9=73, Resulting Numbers: [7, 73] Generated Node #0,1,4: 84:[7, 73] Operation: 82-9=73 Moving to Node #0,3 Current State: 84:[9, 6, 40], Operations: ['82-42=40'] Exploring Operation: 9-6=3, Resulting Numbers: [40, 3] Generated Node #0,3,0: 84:[40, 3] Operation: 9-6=3 Exploring Operation: 9+6=15, Resulting Numbers: [40, 15] Generated Node #0,3,1: 84:[40, 15] Operation: 9+6=15 Exploring Operation: 40-9=31, Resulting Numbers: [6, 31] Generated Node #0,3,2: 84:[6, 31] Operation: 40-9=31 Exploring Operation: 6+40=46, Resulting Numbers: [9, 46] Generated Node #0,3,3: 84:[9, 46] Operation: 6+40=46 Exploring Operation: 9+40=49, Resulting Numbers: [6, 49] Generated Node #0,3,4: 84:[6, 49] Operation: 9+40=49 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 84:[40, 3], Operations: ['82-42=40', '9-6=3'] Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,84 unequal: No Solution Exploring Operation: 40+3=43, Resulting Numbers: [43] 43,84 unequal: No Solution Exploring Operation: 40*3=120, Resulting Numbers: [120] 120,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 84:[40, 15], Operations: ['82-42=40', '9+6=15'] Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,84 unequal: No Solution Exploring Operation: 40+15=55, Resulting Numbers: [55] 55,84 unequal: No Solution Exploring Operation: 40*15=600, Resulting Numbers: [600] 600,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 84:[6, 31], Operations: ['82-42=40', '40-9=31'] Exploring Operation: 6*31=186, Resulting Numbers: [186] 186,84 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,84 unequal: No Solution Exploring Operation: 6+31=37, Resulting Numbers: [37] 37,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 84:[9, 46], Operations: ['82-42=40', '6+40=46'] Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,84 unequal: No Solution Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,84 unequal: No Solution Exploring Operation: 9*46=414, Resulting Numbers: [414] 414,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 84:[6, 49], Operations: ['82-42=40', '9+40=49'] Exploring Operation: 6*49=294, Resulting Numbers: [294] 294,84 unequal: No Solution Exploring Operation: 6+49=55, Resulting Numbers: [55] 55,84 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 84:[42, 9, 88], Operations: ['82+6=88'] Exploring Operation: 88-9=79, Resulting Numbers: [42, 79] Generated Node #0,4,0: 84:[42, 79] Operation: 88-9=79 Exploring Operation: 42-9=33, Resulting Numbers: [88, 33] Generated Node #0,4,1: 84:[88, 33] Operation: 42-9=33 Exploring Operation: 42+9=51, Resulting Numbers: [88, 51] Generated Node #0,4,2: 84:[88, 51] Operation: 42+9=51 Exploring Operation: 9+88=97, Resulting Numbers: [42, 97] Generated Node #0,4,3: 84:[42, 97] Operation: 9+88=97 Exploring Operation: 88-42=46, Resulting Numbers: [9, 46] Generated Node #0,4,4: 84:[9, 46] Operation: 88-42=46 Moving to Node #0,1,0 Current State: 84:[82, 2], Operations: ['42/6=7', '9-7=2'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 82*2=164, Resulting Numbers: [164] 164,84 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,84 unequal: No Solution Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[42, 9, 82, 6], Operations: [] Exploring Operation: 42/6=7, Resulting Numbers: [9, 82, 7] Generated Node #0,1: 84:[9, 82, 7] Operation: 42/6=7 Moving to Node #0,1 Current State: 84:[9, 82, 7], Operations: ['42/6=7'] Exploring Operation: 9-7=2, Resulting Numbers: [82, 2] Generated Node #0,1,0: 84:[82, 2] Operation: 9-7=2 Moving to Node #0,1,0 Current State: 84:[82, 2], Operations: ['42/6=7', '9-7=2'] Exploring Operation: 82+2=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
0.940972
hs_5
mult_heuristic
[ 37, 87, 25, 42 ]
67
[ "87-37=50", "42-25=17", "50+17=67" ]
Current State: 67:[37, 87, 25, 42], Operations: [] Exploring Operation: 87-37=50, Resulting Numbers: [25, 42, 50] Generated Node #2: [25, 42, 50] from Operation: 87-37=50 Current State: 67:[25, 42, 50], Operations: ['87-37=50'] Exploring Operation: 42-25=17, Resulting Numbers: [50, 17] Generated Node #3: [50, 17] from Operation: 42-25=17 Current State: 67:[50, 17], Operations: ['87-37=50', '42-25=17'] Exploring Operation: 50+17=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[37, 87, 25, 42], Operations: [] Exploring Operation: 37+25=62, Resulting Numbers: [87, 42, 62] Generated Node #0,0: 67:[87, 42, 62] Operation: 37+25=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[87, 42, 62], Operations: ['37+25=62'] Exploring Operation: 87-42=45, Resulting Numbers: [62, 45] Generated Node #0,0,0: 67:[62, 45] Operation: 87-42=45 Moving to Node #0,0,0 Current State: 67:[62, 45], Operations: ['37+25=62', '87-42=45'] Exploring Operation: 62+45=107, Resulting Numbers: [107] 107,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 34, 78, 21, 28 ]
93
[ "78-34=44", "21+28=49", "44+49=93" ]
Current State: 93:[34, 78, 21, 28], Operations: [] Exploring Operation: 78-34=44, Resulting Numbers: [21, 28, 44] Generated Node #2: [21, 28, 44] from Operation: 78-34=44 Current State: 93:[21, 28, 44], Operations: ['78-34=44'] Exploring Operation: 21+28=49, Resulting Numbers: [44, 49] Generated Node #3: [44, 49] from Operation: 21+28=49 Current State: 93:[44, 49], Operations: ['78-34=44', '21+28=49'] Exploring Operation: 44+49=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[34, 78, 21, 28], Operations: [] Exploring Operation: 78+21=99, Resulting Numbers: [34, 28, 99] Generated Node #0,0: 93:[34, 28, 99] Operation: 78+21=99 Exploring Operation: 28-21=7, Resulting Numbers: [34, 78, 7] Generated Node #0,1: 93:[34, 78, 7] Operation: 28-21=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[34, 28, 99], Operations: ['78+21=99'] Exploring Operation: 34-28=6, Resulting Numbers: [99, 6] Generated Node #0,0,0: 93:[99, 6] Operation: 34-28=6 Exploring Operation: 99-28=71, Resulting Numbers: [34, 71] Generated Node #0,0,1: 93:[34, 71] Operation: 99-28=71 Moving to Node #0,0,0 Current State: 93:[99, 6], Operations: ['78+21=99', '34-28=6'] Exploring Operation: 99+6=105, Resulting Numbers: [105] 105,93 unequal: No Solution Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[34, 78, 21, 28], Operations: [] Exploring Operation: 78+21=99, Resulting Numbers: [34, 28, 99] Generated Node #0,0: 93:[34, 28, 99] Operation: 78+21=99 Moving to Node #0,0 Current State: 93:[34, 28, 99], Operations: ['78+21=99'] Exploring Operation: 34-28=6, Resulting Numbers: [99, 6] Generated Node #0,0,0: 93:[99, 6] Operation: 34-28=6 Moving to Node #0,0,0 Current State: 93:[99, 6], Operations: ['78+21=99', '34-28=6'] Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 56, 6, 44, 4 ]
36
[ "56-44=12", "6*4=24", "12+24=36" ]
Current State: 36:[56, 6, 44, 4], Operations: [] Exploring Operation: 56-44=12, Resulting Numbers: [6, 4, 12] Generated Node #2: [6, 4, 12] from Operation: 56-44=12 Current State: 36:[6, 4, 12], Operations: ['56-44=12'] Exploring Operation: 6*4=24, Resulting Numbers: [12, 24] Generated Node #3: [12, 24] from Operation: 6*4=24 Current State: 36:[12, 24], Operations: ['56-44=12', '6*4=24'] Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[56, 6, 44, 4], Operations: [] Exploring Operation: 56-44=12, Resulting Numbers: [6, 4, 12] Generated Node #0,0: 36:[6, 4, 12] Operation: 56-44=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[6, 4, 12], Operations: ['56-44=12'] Exploring Operation: 6-4=2, Resulting Numbers: [12, 2] Generated Node #0,0,0: 36:[12, 2] Operation: 6-4=2 Moving to Node #0,0,0 Current State: 36:[12, 2], Operations: ['56-44=12', '6-4=2'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,36 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
[ 69, 19, 13, 33 ]
73
[ "19+33=52", "52/13=4", "69+4=73" ]
Current State: 73:[69, 19, 13, 33], Operations: [] Exploring Operation: 19+33=52, Resulting Numbers: [69, 13, 52] Generated Node #2: [69, 13, 52] from Operation: 19+33=52 Current State: 73:[69, 13, 52], Operations: ['19+33=52'] Exploring Operation: 52/13=4, Resulting Numbers: [69, 4] Generated Node #3: [69, 4] from Operation: 52/13=4 Current State: 73:[69, 4], Operations: ['19+33=52', '52/13=4'] Exploring Operation: 69+4=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[69, 19, 13, 33], Operations: [] Exploring Operation: 69+13=82, Resulting Numbers: [19, 33, 82] Generated Node #0,0: 73:[19, 33, 82] Operation: 69+13=82 Exploring Operation: 13+33=46, Resulting Numbers: [69, 19, 46] Generated Node #0,1: 73:[69, 19, 46] Operation: 13+33=46 Exploring Operation: 69-13=56, Resulting Numbers: [19, 33, 56] Generated Node #0,2: 73:[19, 33, 56] Operation: 69-13=56 Exploring Operation: 19+13=32, Resulting Numbers: [69, 33, 32] Generated Node #0,3: 73:[69, 33, 32] Operation: 19+13=32 Exploring Operation: 19+33=52, Resulting Numbers: [69, 13, 52] Generated Node #0,4: 73:[69, 13, 52] Operation: 19+33=52 Moving to Node #0,1 Current State: 73:[69, 19, 46], Operations: ['13+33=46'] Exploring Operation: 69+46=115, Resulting Numbers: [19, 115] Generated Node #0,1,0: 73:[19, 115] Operation: 69+46=115 Exploring Operation: 69-19=50, Resulting Numbers: [46, 50] Generated Node #0,1,1: 73:[46, 50] Operation: 69-19=50 Exploring Operation: 69+19=88, Resulting Numbers: [46, 88] Generated Node #0,1,2: 73:[46, 88] Operation: 69+19=88 Exploring Operation: 19+46=65, Resulting Numbers: [69, 65] Generated Node #0,1,3: 73:[69, 65] Operation: 19+46=65 Exploring Operation: 46-19=27, Resulting Numbers: [69, 27] Generated Node #0,1,4: 73:[69, 27] Operation: 46-19=27 Moving to Node #0,4 Current State: 73:[69, 13, 52], Operations: ['19+33=52'] Exploring Operation: 69-13=56, Resulting Numbers: [52, 56] Generated Node #0,4,0: 73:[52, 56] Operation: 69-13=56 Exploring Operation: 52-13=39, Resulting Numbers: [69, 39] Generated Node #0,4,1: 73:[69, 39] Operation: 52-13=39 Exploring Operation: 69+13=82, Resulting Numbers: [52, 82] Generated Node #0,4,2: 73:[52, 82] Operation: 69+13=82 Exploring Operation: 13+52=65, Resulting Numbers: [69, 65] Generated Node #0,4,3: 73:[69, 65] Operation: 13+52=65 Exploring Operation: 52/13=4, Resulting Numbers: [69, 4] Generated Node #0,4,4: 73:[69, 4] Operation: 52/13=4 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 73:[69, 65], Operations: ['19+33=52', '13+52=65'] Exploring Operation: 69*65=4485, Resulting Numbers: [4485] 4485,73 unequal: No Solution Exploring Operation: 69-65=4, Resulting Numbers: [4] 4,73 unequal: No Solution Exploring Operation: 69+65=134, Resulting Numbers: [134] 134,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 73:[52, 82], Operations: ['19+33=52', '69+13=82'] Exploring Operation: 52+82=134, Resulting Numbers: [134] 134,73 unequal: No Solution Exploring Operation: 52*82=4264, Resulting Numbers: [4264] 4264,73 unequal: No Solution Exploring Operation: 82-52=30, Resulting Numbers: [30] 30,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 73:[52, 56], Operations: ['19+33=52', '69-13=56'] Exploring Operation: 52+56=108, Resulting Numbers: [108] 108,73 unequal: No Solution Exploring Operation: 52*56=2912, Resulting Numbers: [2912] 2912,73 unequal: No Solution Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 73:[69, 39], Operations: ['19+33=52', '52-13=39'] Exploring Operation: 69*39=2691, Resulting Numbers: [2691] 2691,73 unequal: No Solution Exploring Operation: 69+39=108, Resulting Numbers: [108] 108,73 unequal: No Solution Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 73:[69, 4], Operations: ['19+33=52', '52/13=4'] Exploring Operation: 69-4=65, Resulting Numbers: [65] 65,73 unequal: No Solution Exploring Operation: 69+4=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[69, 19, 13, 33], Operations: [] Exploring Operation: 19+33=52, Resulting Numbers: [69, 13, 52] Generated Node #0,4: 73:[69, 13, 52] Operation: 19+33=52 Moving to Node #0,4 Current State: 73:[69, 13, 52], Operations: ['19+33=52'] Exploring Operation: 52/13=4, Resulting Numbers: [69, 4] Generated Node #0,4,4: 73:[69, 4] Operation: 52/13=4 Moving to Node #0,4,4 Current State: 73:[69, 4], Operations: ['19+33=52', '52/13=4'] Exploring Operation: 69+4=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_5
sum_heuristic
[ 73, 90, 3, 9 ]
94
[ "73-9=64", "90/3=30", "64+30=94" ]
Current State: 94:[73, 90, 3, 9], Operations: [] Exploring Operation: 73-9=64, Resulting Numbers: [90, 3, 64] Generated Node #2: [90, 3, 64] from Operation: 73-9=64 Current State: 94:[90, 3, 64], Operations: ['73-9=64'] Exploring Operation: 90/3=30, Resulting Numbers: [64, 30] Generated Node #3: [64, 30] from Operation: 90/3=30 Current State: 94:[64, 30], Operations: ['73-9=64', '90/3=30'] Exploring Operation: 64+30=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[73, 90, 3, 9], Operations: [] Exploring Operation: 73+9=82, Resulting Numbers: [90, 3, 82] Generated Node #0,0: 94:[90, 3, 82] Operation: 73+9=82 Exploring Operation: 9/3=3, Resulting Numbers: [73, 90, 3] Generated Node #0,1: 94:[73, 90, 3] Operation: 9/3=3 Exploring Operation: 90-73=17, Resulting Numbers: [3, 9, 17] Generated Node #0,2: 94:[3, 9, 17] Operation: 90-73=17 Exploring Operation: 73-9=64, Resulting Numbers: [90, 3, 64] Generated Node #0,3: 94:[90, 3, 64] Operation: 73-9=64 Exploring Operation: 90+9=99, Resulting Numbers: [73, 3, 99] Generated Node #0,4: 94:[73, 3, 99] Operation: 90+9=99 Moving to Node #0,0 Current State: 94:[90, 3, 82], Operations: ['73+9=82'] Exploring Operation: 82-3=79, Resulting Numbers: [90, 79] Generated Node #0,0,0: 94:[90, 79] Operation: 82-3=79 Exploring Operation: 90-3=87, Resulting Numbers: [82, 87] Generated Node #0,0,1: 94:[82, 87] Operation: 90-3=87 Exploring Operation: 3+82=85, Resulting Numbers: [90, 85] Generated Node #0,0,2: 94:[90, 85] Operation: 3+82=85 Exploring Operation: 90+3=93, Resulting Numbers: [82, 93] Generated Node #0,0,3: 94:[82, 93] Operation: 90+3=93 Exploring Operation: 90-82=8, Resulting Numbers: [3, 8] Generated Node #0,0,4: 94:[3, 8] Operation: 90-82=8 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 94:[3, 8], Operations: ['73+9=82', '90-82=8'] Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,94 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,94 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 #0,0,2 Current State: 94:[90, 85], Operations: ['73+9=82', '3+82=85'] Exploring Operation: 90*85=7650, Resulting Numbers: [7650] 7650,94 unequal: No Solution Exploring Operation: 90-85=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 90+85=175, Resulting Numbers: [175] 175,94 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 #0,0,3 Current State: 94:[82, 93], Operations: ['73+9=82', '90+3=93'] Exploring Operation: 82*93=7626, Resulting Numbers: [7626] 7626,94 unequal: No Solution Exploring Operation: 82+93=175, Resulting Numbers: [175] 175,94 unequal: No Solution Exploring Operation: 93-82=11, Resulting Numbers: [11] 11,94 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 #0,0,0 Current State: 94:[90, 79], Operations: ['73+9=82', '82-3=79'] Exploring Operation: 90-79=11, Resulting Numbers: [11] 11,94 unequal: No Solution Exploring Operation: 90+79=169, Resulting Numbers: [169] 169,94 unequal: No Solution Exploring Operation: 90*79=7110, Resulting Numbers: [7110] 7110,94 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 #0,0,1 Current State: 94:[82, 87], Operations: ['73+9=82', '90-3=87'] Exploring Operation: 82+87=169, Resulting Numbers: [169] 169,94 unequal: No Solution Exploring Operation: 87-82=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 82*87=7134, Resulting Numbers: [7134] 7134,94 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: 94:[90, 3, 64], Operations: ['73-9=64'] Exploring Operation: 90-64=26, Resulting Numbers: [3, 26] Generated Node #0,3,0: 94:[3, 26] Operation: 90-64=26 Exploring Operation: 90-3=87, Resulting Numbers: [64, 87] Generated Node #0,3,1: 94:[64, 87] Operation: 90-3=87 Exploring Operation: 3+64=67, Resulting Numbers: [90, 67] Generated Node #0,3,2: 94:[90, 67] Operation: 3+64=67 Exploring Operation: 90+3=93, Resulting Numbers: [64, 93] Generated Node #0,3,3: 94:[64, 93] Operation: 90+3=93 Exploring Operation: 64-3=61, Resulting Numbers: [90, 61] Generated Node #0,3,4: 94:[90, 61] Operation: 64-3=61 Moving to Node #0,2 Current State: 94:[3, 9, 17], Operations: ['90-73=17'] Exploring Operation: 9-3=6, Resulting Numbers: [17, 6] Generated Node #0,2,0: 94:[17, 6] Operation: 9-3=6 Exploring Operation: 17-3=14, Resulting Numbers: [9, 14] Generated Node #0,2,1: 94:[9, 14] Operation: 17-3=14 Exploring Operation: 9/3=3, Resulting Numbers: [17, 3] Generated Node #0,2,2: 94:[17, 3] Operation: 9/3=3 Exploring Operation: 3*17=51, Resulting Numbers: [9, 51] Generated Node #0,2,3: 94:[9, 51] Operation: 3*17=51 Exploring Operation: 17-9=8, Resulting Numbers: [3, 8] Generated Node #0,2,4: 94:[3, 8] Operation: 17-9=8 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 94:[3, 8], Operations: ['90-73=17', '17-9=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,94 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 94:[9, 51], Operations: ['90-73=17', '3*17=51'] Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,94 unequal: No Solution Exploring Operation: 9*51=459, Resulting Numbers: [459] 459,94 unequal: No Solution Exploring Operation: 9+51=60, Resulting Numbers: [60] 60,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[17, 3], Operations: ['90-73=17', '9/3=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,94 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,94 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[17, 6], Operations: ['90-73=17', '9-3=6'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,94 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[9, 14], Operations: ['90-73=17', '17-3=14'] Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,94 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,94 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: 94:[73, 90, 3], Operations: ['9/3=3'] Exploring Operation: 73-3=70, Resulting Numbers: [90, 70] Generated Node #0,1,0: 94:[90, 70] Operation: 73-3=70 Exploring Operation: 90-3=87, Resulting Numbers: [73, 87] Generated Node #0,1,1: 94:[73, 87] Operation: 90-3=87 Exploring Operation: 90-73=17, Resulting Numbers: [3, 17] Generated Node #0,1,2: 94:[3, 17] Operation: 90-73=17 Exploring Operation: 73+3=76, Resulting Numbers: [90, 76] Generated Node #0,1,3: 94:[90, 76] Operation: 73+3=76 Exploring Operation: 90+3=93, Resulting Numbers: [73, 93] Generated Node #0,1,4: 94:[73, 93] Operation: 90+3=93 Moving to Node #0,4 Current State: 94:[73, 3, 99], Operations: ['90+9=99'] Exploring Operation: 99-73=26, Resulting Numbers: [3, 26] Generated Node #0,4,0: 94:[3, 26] Operation: 99-73=26 Exploring Operation: 73-3=70, Resulting Numbers: [99, 70] Generated Node #0,4,1: 94:[99, 70] Operation: 73-3=70 Exploring Operation: 3+99=102, Resulting Numbers: [73, 102] Generated Node #0,4,2: 94:[73, 102] Operation: 3+99=102 Exploring Operation: 73+3=76, Resulting Numbers: [99, 76] Generated Node #0,4,3: 94:[99, 76] Operation: 73+3=76 Exploring Operation: 99-3=96, Resulting Numbers: [73, 96] Generated Node #0,4,4: 94:[73, 96] Operation: 99-3=96 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 94:[3, 26], Operations: ['90+9=99', '99-73=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,94 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,94 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 #0,4,3 Current State: 94:[99, 76], Operations: ['90+9=99', '73+3=76'] Exploring Operation: 99+76=175, Resulting Numbers: [175] 175,94 unequal: No Solution Exploring Operation: 99*76=7524, Resulting Numbers: [7524] 7524,94 unequal: No Solution Exploring Operation: 99-76=23, Resulting Numbers: [23] 23,94 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 #0,4,4 Current State: 94:[73, 96], Operations: ['90+9=99', '99-3=96'] Exploring Operation: 96-73=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 73*96=7008, Resulting Numbers: [7008] 7008,94 unequal: No Solution Exploring Operation: 73+96=169, Resulting Numbers: [169] 169,94 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 #0,4,1 Current State: 94:[99, 70], Operations: ['90+9=99', '73-3=70'] Exploring Operation: 99*70=6930, Resulting Numbers: [6930] 6930,94 unequal: No Solution Exploring Operation: 99-70=29, Resulting Numbers: [29] 29,94 unequal: No Solution Exploring Operation: 99+70=169, Resulting Numbers: [169] 169,94 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 #0,4,2 Current State: 94:[73, 102], Operations: ['90+9=99', '3+99=102'] Exploring Operation: 102-73=29, Resulting Numbers: [29] 29,94 unequal: No Solution Exploring Operation: 73*102=7446, Resulting Numbers: [7446] 7446,94 unequal: No Solution Exploring Operation: 73+102=175, Resulting Numbers: [175] 175,94 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: 94:[3, 17], Operations: ['9/3=3', '90-73=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,94 unequal: No Solution Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,94 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,94 unequal: No Solution Moving to Node #0,3,3 Current State: 94:[64, 93], Operations: ['73-9=64', '90+3=93'] Exploring Operation: 64+93=157, Resulting Numbers: [157] 157,94 unequal: No Solution Exploring Operation: 64*93=5952, Resulting Numbers: [5952] 5952,94 unequal: No Solution Exploring Operation: 93-64=29, Resulting Numbers: [29] 29,94 unequal: No Solution Moving to Node #0,3,4 Current State: 94:[90, 61], Operations: ['73-9=64', '64-3=61'] Exploring Operation: 90-61=29, Resulting Numbers: [29] 29,94 unequal: No Solution Exploring Operation: 90*61=5490, Resulting Numbers: [5490] 5490,94 unequal: No Solution Exploring Operation: 90+61=151, Resulting Numbers: [151] 151,94 unequal: No Solution Moving to Node #0,1,3 Current State: 94:[90, 76], Operations: ['9/3=3', '73+3=76'] Exploring Operation: 90-76=14, Resulting Numbers: [14] 14,94 unequal: No Solution Exploring Operation: 90+76=166, Resulting Numbers: [166] 166,94 unequal: No Solution Exploring Operation: 90*76=6840, Resulting Numbers: [6840] 6840,94 unequal: No Solution Moving to Node #0,3,0 Current State: 94:[3, 26], Operations: ['73-9=64', '90-64=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,94 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,94 unequal: No Solution Moving to Node #0,1,4 Current State: 94:[73, 93], Operations: ['9/3=3', '90+3=93'] Exploring Operation: 73+93=166, Resulting Numbers: [166] 166,94 unequal: No Solution Exploring Operation: 73*93=6789, Resulting Numbers: [6789] 6789,94 unequal: No Solution Exploring Operation: 93-73=20, Resulting Numbers: [20] 20,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[90, 67], Operations: ['73-9=64', '3+64=67'] Exploring Operation: 90+67=157, Resulting Numbers: [157] 157,94 unequal: No Solution Exploring Operation: 90*67=6030, Resulting Numbers: [6030] 6030,94 unequal: No Solution Exploring Operation: 90-67=23, Resulting Numbers: [23] 23,94 unequal: No Solution Moving to Node #0,3,1 Current State: 94:[64, 87], Operations: ['73-9=64', '90-3=87'] Exploring Operation: 64+87=151, Resulting Numbers: [151] 151,94 unequal: No Solution Exploring Operation: 87-64=23, Resulting Numbers: [23] 23,94 unequal: No Solution Exploring Operation: 64*87=5568, Resulting Numbers: [5568] 5568,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[90, 70], Operations: ['9/3=3', '73-3=70'] Exploring Operation: 90-70=20, Resulting Numbers: [20] 20,94 unequal: No Solution Exploring Operation: 90+70=160, Resulting Numbers: [160] 160,94 unequal: No Solution Exploring Operation: 90*70=6300, Resulting Numbers: [6300] 6300,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[73, 87], Operations: ['9/3=3', '90-3=87'] Exploring Operation: 73+87=160, Resulting Numbers: [160] 160,94 unequal: No Solution Exploring Operation: 87-73=14, Resulting Numbers: [14] 14,94 unequal: No Solution Exploring Operation: 73*87=6351, Resulting Numbers: [6351] 6351,94 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 13, 45, 57, 29 ]
86
[ "13+45=58", "57-29=28", "58+28=86" ]
Current State: 86:[13, 45, 57, 29], Operations: [] Exploring Operation: 13+45=58, Resulting Numbers: [57, 29, 58] Generated Node #2: [57, 29, 58] from Operation: 13+45=58 Current State: 86:[57, 29, 58], Operations: ['13+45=58'] Exploring Operation: 57-29=28, Resulting Numbers: [58, 28] Generated Node #3: [58, 28] from Operation: 57-29=28 Current State: 86:[58, 28], Operations: ['13+45=58', '57-29=28'] Exploring Operation: 58+28=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[13, 45, 57, 29], Operations: [] Exploring Operation: 57-13=44, Resulting Numbers: [45, 29, 44] Generated Node #0,0: 86:[45, 29, 44] Operation: 57-13=44 Exploring Operation: 57+29=86, Resulting Numbers: [13, 45, 86] Generated Node #0,1: 86:[13, 45, 86] Operation: 57+29=86 Moving to Node #0,1 Current State: 86:[13, 45, 86], Operations: ['57+29=86'] Exploring Operation: 45-13=32, Resulting Numbers: [86, 32] Generated Node #0,1,0: 86:[86, 32] Operation: 45-13=32 Exploring Operation: 86-45=41, Resulting Numbers: [13, 41] Generated Node #0,1,1: 86:[13, 41] Operation: 86-45=41 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[86, 32], Operations: ['57+29=86', '45-13=32'] Exploring Operation: 86+32=118, Resulting Numbers: [118] 118,86 unequal: No Solution Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,86 unequal: No Solution No 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: 86:[13, 41], Operations: ['57+29=86', '86-45=41'] Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,86 unequal: No Solution Exploring Operation: 13+41=54, Resulting Numbers: [54] 54,86 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: 86:[45, 29, 44], Operations: ['57-13=44'] Exploring Operation: 45-29=16, Resulting Numbers: [44, 16] Generated Node #0,0,0: 86:[44, 16] Operation: 45-29=16 Exploring Operation: 45+29=74, Resulting Numbers: [44, 74] Generated Node #0,0,1: 86:[44, 74] Operation: 45+29=74 Moving to Node #0,0,1 Current State: 86:[44, 74], Operations: ['57-13=44', '45+29=74'] Exploring Operation: 74-44=30, Resulting Numbers: [30] 30,86 unequal: No Solution Exploring Operation: 44+74=118, Resulting Numbers: [118] 118,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[44, 16], Operations: ['57-13=44', '45-29=16'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,86 unequal: No Solution Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,86 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 53, 45, 1, 81 ]
90
[ "53-45=8", "1+81=82", "8+82=90" ]
Current State: 90:[53, 45, 1, 81], Operations: [] Exploring Operation: 53-45=8, Resulting Numbers: [1, 81, 8] Generated Node #2: [1, 81, 8] from Operation: 53-45=8 Current State: 90:[1, 81, 8], Operations: ['53-45=8'] Exploring Operation: 1+81=82, Resulting Numbers: [8, 82] Generated Node #3: [8, 82] from Operation: 1+81=82 Current State: 90:[8, 82], Operations: ['53-45=8', '1+81=82'] Exploring Operation: 8+82=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[53, 45, 1, 81], Operations: [] Exploring Operation: 53-45=8, Resulting Numbers: [1, 81, 8] Generated Node #0,0: 90:[1, 81, 8] Operation: 53-45=8 Exploring Operation: 81-53=28, Resulting Numbers: [45, 1, 28] Generated Node #0,1: 90:[45, 1, 28] Operation: 81-53=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[45, 1, 28], Operations: ['81-53=28'] Exploring Operation: 1+28=29, Resulting Numbers: [45, 29] Generated Node #0,1,0: 90:[45, 29] Operation: 1+28=29 Exploring Operation: 45*1=45, Resulting Numbers: [28, 45] Generated Node #0,1,1: 90:[28, 45] Operation: 45*1=45 Moving to Node #0,1,0 Current State: 90:[45, 29], Operations: ['81-53=28', '1+28=29'] Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[28, 45], Operations: ['81-53=28', '45*1=45'] Exploring Operation: 28+45=73, Resulting Numbers: [73] 73,90 unequal: No Solution Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[1, 81, 8], Operations: ['53-45=8'] Exploring Operation: 1+81=82, Resulting Numbers: [8, 82] Generated Node #0,0,0: 90:[8, 82] Operation: 1+81=82 Exploring Operation: 81+8=89, Resulting Numbers: [1, 89] Generated Node #0,0,1: 90:[1, 89] Operation: 81+8=89 Moving to Node #0,0,1 Current State: 90:[1, 89], Operations: ['53-45=8', '81+8=89'] Exploring Operation: 1+89=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[53, 45, 1, 81], Operations: [] Exploring Operation: 53-45=8, Resulting Numbers: [1, 81, 8] Generated Node #0,0: 90:[1, 81, 8] Operation: 53-45=8 Moving to Node #0,0 Current State: 90:[1, 81, 8], Operations: ['53-45=8'] Exploring Operation: 81+8=89, Resulting Numbers: [1, 89] Generated Node #0,0,1: 90:[1, 89] Operation: 81+8=89 Moving to Node #0,0,1 Current State: 90:[1, 89], Operations: ['53-45=8', '81+8=89'] Exploring Operation: 1+89=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 17, 95, 84, 12 ]
85
[ "95-17=78", "84/12=7", "78+7=85" ]
Current State: 85:[17, 95, 84, 12], Operations: [] Exploring Operation: 95-17=78, Resulting Numbers: [84, 12, 78] Generated Node #2: [84, 12, 78] from Operation: 95-17=78 Current State: 85:[84, 12, 78], Operations: ['95-17=78'] Exploring Operation: 84/12=7, Resulting Numbers: [78, 7] Generated Node #3: [78, 7] from Operation: 84/12=7 Current State: 85:[78, 7], Operations: ['95-17=78', '84/12=7'] Exploring Operation: 78+7=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[17, 95, 84, 12], Operations: [] Exploring Operation: 17-12=5, Resulting Numbers: [95, 84, 5] Generated Node #0,0: 85:[95, 84, 5] Operation: 17-12=5 Exploring Operation: 95-12=83, Resulting Numbers: [17, 84, 83] Generated Node #0,1: 85:[17, 84, 83] Operation: 95-12=83 Exploring Operation: 84/12=7, Resulting Numbers: [17, 95, 7] Generated Node #0,2: 85:[17, 95, 7] Operation: 84/12=7 Exploring Operation: 95-84=11, Resulting Numbers: [17, 12, 11] Generated Node #0,3: 85:[17, 12, 11] Operation: 95-84=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[17, 84, 83], Operations: ['95-12=83'] Exploring Operation: 17+83=100, Resulting Numbers: [84, 100] Generated Node #0,1,0: 85:[84, 100] Operation: 17+83=100 Exploring Operation: 84-83=1, Resulting Numbers: [17, 1] Generated Node #0,1,1: 85:[17, 1] Operation: 84-83=1 Exploring Operation: 84-17=67, Resulting Numbers: [83, 67] Generated Node #0,1,2: 85:[83, 67] Operation: 84-17=67 Exploring Operation: 17+84=101, Resulting Numbers: [83, 101] Generated Node #0,1,3: 85:[83, 101] Operation: 17+84=101 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[17, 1], Operations: ['95-12=83', '84-83=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,85 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,85 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 85:[84, 100], Operations: ['95-12=83', '17+83=100'] Exploring Operation: 100-84=16, Resulting Numbers: [16] 16,85 unequal: No Solution Exploring Operation: 84*100=8400, Resulting Numbers: [8400] 8400,85 unequal: No Solution Exploring Operation: 84+100=184, Resulting Numbers: [184] 184,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 85:[83, 101], Operations: ['95-12=83', '17+84=101'] Exploring Operation: 83+101=184, Resulting Numbers: [184] 184,85 unequal: No Solution Exploring Operation: 101-83=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 83*101=8383, Resulting Numbers: [8383] 8383,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 85:[83, 67], Operations: ['95-12=83', '84-17=67'] Exploring Operation: 83-67=16, Resulting Numbers: [16] 16,85 unequal: No Solution Exploring Operation: 83*67=5561, Resulting Numbers: [5561] 5561,85 unequal: No Solution Exploring Operation: 83+67=150, Resulting Numbers: [150] 150,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[95, 84, 5], Operations: ['17-12=5'] Exploring Operation: 95-84=11, Resulting Numbers: [5, 11] Generated Node #0,0,0: 85:[5, 11] Operation: 95-84=11 Exploring Operation: 95-5=90, Resulting Numbers: [84, 90] Generated Node #0,0,1: 85:[84, 90] Operation: 95-5=90 Exploring Operation: 84+5=89, Resulting Numbers: [95, 89] Generated Node #0,0,2: 85:[95, 89] Operation: 84+5=89 Exploring Operation: 95/5=19, Resulting Numbers: [84, 19] Generated Node #0,0,3: 85:[84, 19] Operation: 95/5=19 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 85:[84, 19], Operations: ['17-12=5', '95/5=19'] Exploring Operation: 84+19=103, Resulting Numbers: [103] 103,85 unequal: No Solution Exploring Operation: 84*19=1596, Resulting Numbers: [1596] 1596,85 unequal: No Solution Exploring Operation: 84-19=65, Resulting Numbers: [65] 65,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[5, 11], Operations: ['17-12=5', '95-84=11'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,85 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 85:[84, 90], Operations: ['17-12=5', '95-5=90'] Exploring Operation: 84*90=7560, Resulting Numbers: [7560] 7560,85 unequal: No Solution Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 84+90=174, Resulting Numbers: [174] 174,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 85:[95, 89], Operations: ['17-12=5', '84+5=89'] Exploring Operation: 95-89=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 95*89=8455, Resulting Numbers: [8455] 8455,85 unequal: No Solution Exploring Operation: 95+89=184, Resulting Numbers: [184] 184,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 85:[17, 12, 11], Operations: ['95-84=11'] Exploring Operation: 17-12=5, Resulting Numbers: [11, 5] Generated Node #0,3,0: 85:[11, 5] Operation: 17-12=5 Exploring Operation: 12-11=1, Resulting Numbers: [17, 1] Generated Node #0,3,1: 85:[17, 1] Operation: 12-11=1 Exploring Operation: 12+11=23, Resulting Numbers: [17, 23] Generated Node #0,3,2: 85:[17, 23] Operation: 12+11=23 Exploring Operation: 17-11=6, Resulting Numbers: [12, 6] Generated Node #0,3,3: 85:[12, 6] Operation: 17-11=6 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 85:[17, 1], Operations: ['95-84=11', '12-11=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,85 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,85 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 85:[11, 5], Operations: ['95-84=11', '17-12=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,85 unequal: No Solution Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 85:[17, 23], Operations: ['95-84=11', '12+11=23'] Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 17*23=391, Resulting Numbers: [391] 391,85 unequal: No Solution Exploring Operation: 17+23=40, Resulting Numbers: [40] 40,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 85:[12, 6], Operations: ['95-84=11', '17-11=6'] Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,85 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[17, 95, 7], Operations: ['84/12=7'] Exploring Operation: 17+7=24, Resulting Numbers: [95, 24] Generated Node #0,2,0: 85:[95, 24] Operation: 17+7=24 Exploring Operation: 17-7=10, Resulting Numbers: [95, 10] Generated Node #0,2,1: 85:[95, 10] Operation: 17-7=10 Exploring Operation: 95-17=78, Resulting Numbers: [7, 78] Generated Node #0,2,2: 85:[7, 78] Operation: 95-17=78 Exploring Operation: 95-7=88, Resulting Numbers: [17, 88] Generated Node #0,2,3: 85:[17, 88] Operation: 95-7=88 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 85:[17, 88], Operations: ['84/12=7', '95-7=88'] Exploring Operation: 17+88=105, Resulting Numbers: [105] 105,85 unequal: No Solution Exploring Operation: 88-17=71, Resulting Numbers: [71] 71,85 unequal: No Solution Exploring Operation: 17*88=1496, Resulting Numbers: [1496] 1496,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 85:[7, 78], Operations: ['84/12=7', '95-17=78'] Exploring Operation: 7*78=546, Resulting Numbers: [546] 546,85 unequal: No Solution Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[17, 95, 84, 12], Operations: [] Exploring Operation: 84/12=7, Resulting Numbers: [17, 95, 7] Generated Node #0,2: 85:[17, 95, 7] Operation: 84/12=7 Moving to Node #0,2 Current State: 85:[17, 95, 7], Operations: ['84/12=7'] Exploring Operation: 95-17=78, Resulting Numbers: [7, 78] Generated Node #0,2,2: 85:[7, 78] Operation: 95-17=78 Moving to Node #0,2,2 Current State: 85:[7, 78], Operations: ['84/12=7', '95-17=78'] Exploring Operation: 7+78=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.940972
hs_4
mult_heuristic
[ 78, 5, 98, 3 ]
77
[ "78/3=26", "5+98=103", "103-26=77" ]
Current State: 77:[78, 5, 98, 3], Operations: [] Exploring Operation: 78/3=26, Resulting Numbers: [5, 98, 26] Generated Node #2: [5, 98, 26] from Operation: 78/3=26 Current State: 77:[5, 98, 26], Operations: ['78/3=26'] Exploring Operation: 5+98=103, Resulting Numbers: [26, 103] Generated Node #3: [26, 103] from Operation: 5+98=103 Current State: 77:[26, 103], Operations: ['78/3=26', '5+98=103'] Exploring Operation: 103-26=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[78, 5, 98, 3], Operations: [] Exploring Operation: 98-5=93, Resulting Numbers: [78, 3, 93] Generated Node #0,0: 77:[78, 3, 93] Operation: 98-5=93 Exploring Operation: 98-78=20, Resulting Numbers: [5, 3, 20] Generated Node #0,1: 77:[5, 3, 20] Operation: 98-78=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[5, 3, 20], Operations: ['98-78=20'] Exploring Operation: 20-5=15, Resulting Numbers: [3, 15] Generated Node #0,1,0: 77:[3, 15] Operation: 20-5=15 Exploring Operation: 20/5=4, Resulting Numbers: [3, 4] Generated Node #0,1,1: 77:[3, 4] Operation: 20/5=4 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 77:[3, 4], Operations: ['98-78=20', '20/5=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,77 unequal: No Solution No 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: 77:[3, 15], Operations: ['98-78=20', '20-5=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,77 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: 77:[78, 3, 93], Operations: ['98-5=93'] Exploring Operation: 93-3=90, Resulting Numbers: [78, 90] Generated Node #0,0,0: 77:[78, 90] Operation: 93-3=90 Exploring Operation: 93-78=15, Resulting Numbers: [3, 15] Generated Node #0,0,1: 77:[3, 15] Operation: 93-78=15 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 77:[3, 15], Operations: ['98-5=93', '93-78=15'] Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,77 unequal: No Solution No 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: 77:[78, 90], Operations: ['98-5=93', '93-3=90'] Exploring Operation: 78+90=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 90-78=12, Resulting Numbers: [12] 12,77 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
[ 98, 96, 74, 99 ]
95
[ "98-74=24", "96/24=4", "99-4=95" ]
Current State: 95:[98, 96, 74, 99], Operations: [] Exploring Operation: 98-74=24, Resulting Numbers: [96, 99, 24] Generated Node #2: [96, 99, 24] from Operation: 98-74=24 Current State: 95:[96, 99, 24], Operations: ['98-74=24'] Exploring Operation: 96/24=4, Resulting Numbers: [99, 4] Generated Node #3: [99, 4] from Operation: 96/24=4 Current State: 95:[99, 4], Operations: ['98-74=24', '96/24=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[98, 96, 74, 99], Operations: [] Exploring Operation: 98-74=24, Resulting Numbers: [96, 99, 24] Generated Node #0,0: 95:[96, 99, 24] Operation: 98-74=24 Exploring Operation: 96-74=22, Resulting Numbers: [98, 99, 22] Generated Node #0,1: 95:[98, 99, 22] Operation: 96-74=22 Moving to Node #0,0 Current State: 95:[96, 99, 24], Operations: ['98-74=24'] Exploring Operation: 96/24=4, Resulting Numbers: [99, 4] Generated Node #0,0,0: 95:[99, 4] Operation: 96/24=4 Exploring Operation: 99-96=3, Resulting Numbers: [24, 3] Generated Node #0,0,1: 95:[24, 3] Operation: 99-96=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[99, 4], Operations: ['98-74=24', '96/24=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[98, 96, 74, 99], Operations: [] Exploring Operation: 98-74=24, Resulting Numbers: [96, 99, 24] Generated Node #0,0: 95:[96, 99, 24] Operation: 98-74=24 Moving to Node #0,0 Current State: 95:[96, 99, 24], Operations: ['98-74=24'] Exploring Operation: 96/24=4, Resulting Numbers: [99, 4] Generated Node #0,0,0: 95:[99, 4] Operation: 96/24=4 Moving to Node #0,0,0 Current State: 95:[99, 4], Operations: ['98-74=24', '96/24=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 1, 43, 47, 75 ]
70
[ "43-1=42", "75-47=28", "42+28=70" ]
Current State: 70:[1, 43, 47, 75], Operations: [] Exploring Operation: 43-1=42, Resulting Numbers: [47, 75, 42] Generated Node #2: [47, 75, 42] from Operation: 43-1=42 Current State: 70:[47, 75, 42], Operations: ['43-1=42'] Exploring Operation: 75-47=28, Resulting Numbers: [42, 28] Generated Node #3: [42, 28] from Operation: 75-47=28 Current State: 70:[42, 28], Operations: ['43-1=42', '75-47=28'] Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[1, 43, 47, 75], Operations: [] Exploring Operation: 75-47=28, Resulting Numbers: [1, 43, 28] Generated Node #0,0: 70:[1, 43, 28] Operation: 75-47=28 Exploring Operation: 75-43=32, Resulting Numbers: [1, 47, 32] Generated Node #0,1: 70:[1, 47, 32] Operation: 75-43=32 Exploring Operation: 47-43=4, Resulting Numbers: [1, 75, 4] Generated Node #0,2: 70:[1, 75, 4] Operation: 47-43=4 Exploring Operation: 43-1=42, Resulting Numbers: [47, 75, 42] Generated Node #0,3: 70:[47, 75, 42] Operation: 43-1=42 Exploring Operation: 47-1=46, Resulting Numbers: [43, 75, 46] Generated Node #0,4: 70:[43, 75, 46] Operation: 47-1=46 Moving to Node #0,2 Current State: 70:[1, 75, 4], Operations: ['47-43=4'] Exploring Operation: 75-1=74, Resulting Numbers: [4, 74] Generated Node #0,2,0: 70:[4, 74] Operation: 75-1=74 Exploring Operation: 1+4=5, Resulting Numbers: [75, 5] Generated Node #0,2,1: 70:[75, 5] Operation: 1+4=5 Exploring Operation: 75-4=71, Resulting Numbers: [1, 71] Generated Node #0,2,2: 70:[1, 71] Operation: 75-4=71 Exploring Operation: 75/1=75, Resulting Numbers: [4, 75] Generated Node #0,2,3: 70:[4, 75] Operation: 75/1=75 Exploring Operation: 1*75=75, Resulting Numbers: [4, 75] Generated Node #0,2,4: 70:[4, 75] Operation: 1*75=75 Moving to Node #0,1 Current State: 70:[1, 47, 32], Operations: ['75-43=32'] Exploring Operation: 1+32=33, Resulting Numbers: [47, 33] Generated Node #0,1,0: 70:[47, 33] Operation: 1+32=33 Exploring Operation: 47+32=79, Resulting Numbers: [1, 79] Generated Node #0,1,1: 70:[1, 79] Operation: 47+32=79 Exploring Operation: 47-1=46, Resulting Numbers: [32, 46] Generated Node #0,1,2: 70:[32, 46] Operation: 47-1=46 Exploring Operation: 1*47=47, Resulting Numbers: [32, 47] Generated Node #0,1,3: 70:[32, 47] Operation: 1*47=47 Exploring Operation: 47-32=15, Resulting Numbers: [1, 15] Generated Node #0,1,4: 70:[1, 15] Operation: 47-32=15 Moving to Node #0,0 Current State: 70:[1, 43, 28], Operations: ['75-47=28'] Exploring Operation: 43-28=15, Resulting Numbers: [1, 15] Generated Node #0,0,0: 70:[1, 15] Operation: 43-28=15 Exploring Operation: 43-1=42, Resulting Numbers: [28, 42] Generated Node #0,0,1: 70:[28, 42] Operation: 43-1=42 Exploring Operation: 1+28=29, Resulting Numbers: [43, 29] Generated Node #0,0,2: 70:[43, 29] Operation: 1+28=29 Exploring Operation: 1*43=43, Resulting Numbers: [28, 43] Generated Node #0,0,3: 70:[28, 43] Operation: 1*43=43 Exploring Operation: 43+28=71, Resulting Numbers: [1, 71] Generated Node #0,0,4: 70:[1, 71] Operation: 43+28=71 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[1, 15], Operations: ['75-47=28', '43-28=15'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,70 unequal: No Solution Exploring Operation: 1+15=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 70:[1, 71], Operations: ['75-47=28', '43+28=71'] Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[1, 43, 47, 75], Operations: [] Exploring Operation: 75-47=28, Resulting Numbers: [1, 43, 28] Generated Node #0,0: 70:[1, 43, 28] Operation: 75-47=28 Moving to Node #0,0 Current State: 70:[1, 43, 28], Operations: ['75-47=28'] Exploring Operation: 43+28=71, Resulting Numbers: [1, 71] Generated Node #0,0,4: 70:[1, 71] Operation: 43+28=71 Moving to Node #0,0,4 Current State: 70:[1, 71], Operations: ['75-47=28', '43+28=71'] Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_5
mult_heuristic
[ 29, 19, 48, 17 ]
75
[ "29-19=10", "48+17=65", "10+65=75" ]
Current State: 75:[29, 19, 48, 17], Operations: [] Exploring Operation: 29-19=10, Resulting Numbers: [48, 17, 10] Generated Node #2: [48, 17, 10] from Operation: 29-19=10 Current State: 75:[48, 17, 10], Operations: ['29-19=10'] Exploring Operation: 48+17=65, Resulting Numbers: [10, 65] Generated Node #3: [10, 65] from Operation: 48+17=65 Current State: 75:[10, 65], Operations: ['29-19=10', '48+17=65'] Exploring Operation: 10+65=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[29, 19, 48, 17], Operations: [] Exploring Operation: 48-19=29, Resulting Numbers: [29, 17, 29] Generated Node #0,0: 75:[29, 17, 29] Operation: 48-19=29 Exploring Operation: 48-29=19, Resulting Numbers: [19, 17, 19] Generated Node #0,1: 75:[19, 17, 19] Operation: 48-29=19 Exploring Operation: 19+48=67, Resulting Numbers: [29, 17, 67] Generated Node #0,2: 75:[29, 17, 67] Operation: 19+48=67 Exploring Operation: 29+48=77, Resulting Numbers: [19, 17, 77] Generated Node #0,3: 75:[19, 17, 77] Operation: 29+48=77 Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[19, 17, 77], Operations: ['29+48=77'] Exploring Operation: 77-17=60, Resulting Numbers: [19, 60] Generated Node #0,3,0: 75:[19, 60] Operation: 77-17=60 Exploring Operation: 77-19=58, Resulting Numbers: [17, 58] Generated Node #0,3,1: 75:[17, 58] Operation: 77-19=58 Exploring Operation: 19+17=36, Resulting Numbers: [77, 36] Generated Node #0,3,2: 75:[77, 36] Operation: 19+17=36 Exploring Operation: 19-17=2, Resulting Numbers: [77, 2] Generated Node #0,3,3: 75:[77, 2] Operation: 19-17=2 Moving to Node #0,3,3 Current State: 75:[77, 2], Operations: ['29+48=77', '19-17=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[29, 19, 48, 17], Operations: [] Exploring Operation: 29+48=77, Resulting Numbers: [19, 17, 77] Generated Node #0,3: 75:[19, 17, 77] Operation: 29+48=77 Moving to Node #0,3 Current State: 75:[19, 17, 77], Operations: ['29+48=77'] Exploring Operation: 19-17=2, Resulting Numbers: [77, 2] Generated Node #0,3,3: 75:[77, 2] Operation: 19-17=2 Moving to Node #0,3,3 Current State: 75:[77, 2], Operations: ['29+48=77', '19-17=2'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 72, 34, 99, 89 ]
97
[ "89-72=17", "34/17=2", "99-2=97" ]
Current State: 97:[72, 34, 99, 89], Operations: [] Exploring Operation: 89-72=17, Resulting Numbers: [34, 99, 17] Generated Node #2: [34, 99, 17] from Operation: 89-72=17 Current State: 97:[34, 99, 17], Operations: ['89-72=17'] Exploring Operation: 34/17=2, Resulting Numbers: [99, 2] Generated Node #3: [99, 2] from Operation: 34/17=2 Current State: 97:[99, 2], Operations: ['89-72=17', '34/17=2'] Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[72, 34, 99, 89], Operations: [] Exploring Operation: 72+34=106, Resulting Numbers: [99, 89, 106] Generated Node #0,0: 97:[99, 89, 106] Operation: 72+34=106 Exploring Operation: 72-34=38, Resulting Numbers: [99, 89, 38] Generated Node #0,1: 97:[99, 89, 38] Operation: 72-34=38 Exploring Operation: 34+89=123, Resulting Numbers: [72, 99, 123] Generated Node #0,2: 97:[72, 99, 123] Operation: 34+89=123 Exploring Operation: 34+99=133, Resulting Numbers: [72, 89, 133] Generated Node #0,3: 97:[72, 89, 133] Operation: 34+99=133 Exploring Operation: 99-34=65, Resulting Numbers: [72, 89, 65] Generated Node #0,4: 97:[72, 89, 65] Operation: 99-34=65 Moving to Node #0,0 Current State: 97:[99, 89, 106], Operations: ['72+34=106'] Exploring Operation: 99-89=10, Resulting Numbers: [106, 10] Generated Node #0,0,0: 97:[106, 10] Operation: 99-89=10 Exploring Operation: 106-99=7, Resulting Numbers: [89, 7] Generated Node #0,0,1: 97:[89, 7] Operation: 106-99=7 Exploring Operation: 89+106=195, Resulting Numbers: [99, 195] Generated Node #0,0,2: 97:[99, 195] Operation: 89+106=195 Exploring Operation: 99+89=188, Resulting Numbers: [106, 188] Generated Node #0,0,3: 97:[106, 188] Operation: 99+89=188 Exploring Operation: 106-89=17, Resulting Numbers: [99, 17] Generated Node #0,0,4: 97:[99, 17] Operation: 106-89=17 Moving to Node #0,2 Current State: 97:[72, 99, 123], Operations: ['34+89=123'] Exploring Operation: 72+99=171, Resulting Numbers: [123, 171] Generated Node #0,2,0: 97:[123, 171] Operation: 72+99=171 Exploring Operation: 72+123=195, Resulting Numbers: [99, 195] Generated Node #0,2,1: 97:[99, 195] Operation: 72+123=195 Exploring Operation: 123-99=24, Resulting Numbers: [72, 24] Generated Node #0,2,2: 97:[72, 24] Operation: 123-99=24 Exploring Operation: 99-72=27, Resulting Numbers: [123, 27] Generated Node #0,2,3: 97:[123, 27] Operation: 99-72=27 Exploring Operation: 123-72=51, Resulting Numbers: [99, 51] Generated Node #0,2,4: 97:[99, 51] Operation: 123-72=51 Moving to Node #0,4 Current State: 97:[72, 89, 65], Operations: ['99-34=65'] Exploring Operation: 72+65=137, Resulting Numbers: [89, 137] Generated Node #0,4,0: 97:[89, 137] Operation: 72+65=137 Exploring Operation: 72+89=161, Resulting Numbers: [65, 161] Generated Node #0,4,1: 97:[65, 161] Operation: 72+89=161 Exploring Operation: 89-65=24, Resulting Numbers: [72, 24] Generated Node #0,4,2: 97:[72, 24] Operation: 89-65=24 Exploring Operation: 72-65=7, Resulting Numbers: [89, 7] Generated Node #0,4,3: 97:[89, 7] Operation: 72-65=7 Exploring Operation: 89+65=154, Resulting Numbers: [72, 154] Generated Node #0,4,4: 97:[72, 154] Operation: 89+65=154 Moving to Node #0,1 Current State: 97:[99, 89, 38], Operations: ['72-34=38'] Exploring Operation: 89+38=127, Resulting Numbers: [99, 127] Generated Node #0,1,0: 97:[99, 127] Operation: 89+38=127 Exploring Operation: 99-38=61, Resulting Numbers: [89, 61] Generated Node #0,1,1: 97:[89, 61] Operation: 99-38=61 Exploring Operation: 99-89=10, Resulting Numbers: [38, 10] Generated Node #0,1,2: 97:[38, 10] Operation: 99-89=10 Exploring Operation: 99+38=137, Resulting Numbers: [89, 137] Generated Node #0,1,3: 97:[89, 137] Operation: 99+38=137 Exploring Operation: 89-38=51, Resulting Numbers: [99, 51] Generated Node #0,1,4: 97:[99, 51] Operation: 89-38=51 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[99, 127], Operations: ['72-34=38', '89+38=127'] Exploring Operation: 127-99=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 99*127=12573, Resulting Numbers: [12573] 12573,97 unequal: No Solution Exploring Operation: 99+127=226, Resulting Numbers: [226] 226,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[89, 61], Operations: ['72-34=38', '99-38=61'] Exploring Operation: 89+61=150, Resulting Numbers: [150] 150,97 unequal: No Solution Exploring Operation: 89-61=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 89*61=5429, Resulting Numbers: [5429] 5429,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[89, 137], Operations: ['72-34=38', '99+38=137'] Exploring Operation: 89*137=12193, Resulting Numbers: [12193] 12193,97 unequal: No Solution Exploring Operation: 137-89=48, Resulting Numbers: [48] 48,97 unequal: No Solution Exploring Operation: 89+137=226, Resulting Numbers: [226] 226,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 97:[99, 51], Operations: ['72-34=38', '89-38=51'] Exploring Operation: 99-51=48, Resulting Numbers: [48] 48,97 unequal: No Solution Exploring Operation: 99*51=5049, Resulting Numbers: [5049] 5049,97 unequal: No Solution Exploring Operation: 99+51=150, Resulting Numbers: [150] 150,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[38, 10], Operations: ['72-34=38', '99-89=10'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 38+10=48, Resulting Numbers: [48] 48,97 unequal: No Solution Exploring Operation: 38*10=380, Resulting Numbers: [380] 380,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 97:[72, 89, 133], Operations: ['34+99=133'] Exploring Operation: 72+89=161, Resulting Numbers: [133, 161] Generated Node #0,3,0: 97:[133, 161] Operation: 72+89=161 Exploring Operation: 133-89=44, Resulting Numbers: [72, 44] Generated Node #0,3,1: 97:[72, 44] Operation: 133-89=44 Exploring Operation: 89-72=17, Resulting Numbers: [133, 17] Generated Node #0,3,2: 97:[133, 17] Operation: 89-72=17 Exploring Operation: 72+133=205, Resulting Numbers: [89, 205] Generated Node #0,3,3: 97:[89, 205] Operation: 72+133=205 Exploring Operation: 133-72=61, Resulting Numbers: [89, 61] Generated Node #0,3,4: 97:[89, 61] Operation: 133-72=61 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 97:[89, 61], Operations: ['34+99=133', '133-72=61'] Exploring Operation: 89*61=5429, Resulting Numbers: [5429] 5429,97 unequal: No Solution Exploring Operation: 89+61=150, Resulting Numbers: [150] 150,97 unequal: No Solution Exploring Operation: 89-61=28, Resulting Numbers: [28] 28,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 97:[72, 44], Operations: ['34+99=133', '133-89=44'] Exploring Operation: 72*44=3168, Resulting Numbers: [3168] 3168,97 unequal: No Solution Exploring Operation: 72+44=116, Resulting Numbers: [116] 116,97 unequal: No Solution Exploring Operation: 72-44=28, Resulting Numbers: [28] 28,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 97:[133, 161], Operations: ['34+99=133', '72+89=161'] Exploring Operation: 161-133=28, Resulting Numbers: [28] 28,97 unequal: No Solution Exploring Operation: 133*161=21413, Resulting Numbers: [21413] 21413,97 unequal: No Solution Exploring Operation: 133+161=294, Resulting Numbers: [294] 294,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 97:[133, 17], Operations: ['34+99=133', '89-72=17'] Exploring Operation: 133+17=150, Resulting Numbers: [150] 150,97 unequal: No Solution Exploring Operation: 133*17=2261, Resulting Numbers: [2261] 2261,97 unequal: No Solution Exploring Operation: 133-17=116, Resulting Numbers: [116] 116,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 97:[89, 205], Operations: ['34+99=133', '72+133=205'] Exploring Operation: 89+205=294, Resulting Numbers: [294] 294,97 unequal: No Solution Exploring Operation: 205-89=116, Resulting Numbers: [116] 116,97 unequal: No Solution Exploring Operation: 89*205=18245, Resulting Numbers: [18245] 18245,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,4 Current State: 97:[99, 51], Operations: ['34+89=123', '123-72=51'] Exploring Operation: 99+51=150, Resulting Numbers: [150] 150,97 unequal: No Solution Exploring Operation: 99-51=48, Resulting Numbers: [48] 48,97 unequal: No Solution Exploring Operation: 99*51=5049, Resulting Numbers: [5049] 5049,97 unequal: No Solution Moving to Node #0,4,0 Current State: 97:[89, 137], Operations: ['99-34=65', '72+65=137'] Exploring Operation: 89+137=226, Resulting Numbers: [226] 226,97 unequal: No Solution Exploring Operation: 89*137=12193, Resulting Numbers: [12193] 12193,97 unequal: No Solution Exploring Operation: 137-89=48, Resulting Numbers: [48] 48,97 unequal: No Solution Moving to Node #0,0,4 Current State: 97:[99, 17], Operations: ['72+34=106', '106-89=17'] Exploring Operation: 99+17=116, Resulting Numbers: [116] 116,97 unequal: No Solution Exploring Operation: 99-17=82, Resulting Numbers: [82] 82,97 unequal: No Solution Exploring Operation: 99*17=1683, Resulting Numbers: [1683] 1683,97 unequal: No Solution Moving to Node #0,4,4 Current State: 97:[72, 154], Operations: ['99-34=65', '89+65=154'] Exploring Operation: 72+154=226, Resulting Numbers: [226] 226,97 unequal: No Solution Exploring Operation: 154-72=82, Resulting Numbers: [82] 82,97 unequal: No Solution Exploring Operation: 72*154=11088, Resulting Numbers: [11088] 11088,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[123, 27], Operations: ['34+89=123', '99-72=27'] Exploring Operation: 123+27=150, Resulting Numbers: [150] 150,97 unequal: No Solution Exploring Operation: 123*27=3321, Resulting Numbers: [3321] 3321,97 unequal: No Solution Exploring Operation: 123-27=96, Resulting Numbers: [96] 96,97 unequal: No Solution Moving to Node #0,4,1 Current State: 97:[65, 161], Operations: ['99-34=65', '72+89=161'] Exploring Operation: 161-65=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 65*161=10465, Resulting Numbers: [10465] 10465,97 unequal: No Solution Exploring Operation: 65+161=226, Resulting Numbers: [226] 226,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[106, 10], Operations: ['72+34=106', '99-89=10'] Exploring Operation: 106*10=1060, Resulting Numbers: [1060] 1060,97 unequal: No Solution Exploring Operation: 106-10=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 106+10=116, Resulting Numbers: [116] 116,97 unequal: No Solution Moving to Node #0,4,2 Current State: 97:[72, 24], Operations: ['99-34=65', '89-65=24'] Exploring Operation: 72-24=48, Resulting Numbers: [48] 48,97 unequal: No Solution Exploring Operation: 72*24=1728, Resulting Numbers: [1728] 1728,97 unequal: No Solution Exploring Operation: 72+24=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 72/24=3, Resulting Numbers: [3] 3,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[89, 7], Operations: ['72+34=106', '106-99=7'] Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,97 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,97 unequal: No Solution Moving to Node #0,4,3 Current State: 97:[89, 7], Operations: ['99-34=65', '72-65=7'] Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,97 unequal: No Solution Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[72, 24], Operations: ['34+89=123', '123-99=24'] Exploring Operation: 72+24=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 72-24=48, Resulting Numbers: [48] 48,97 unequal: No Solution Exploring Operation: 72/24=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 72*24=1728, Resulting Numbers: [1728] 1728,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[106, 188], Operations: ['72+34=106', '99+89=188'] Exploring Operation: 188-106=82, Resulting Numbers: [82] 82,97 unequal: No Solution Exploring Operation: 106*188=19928, Resulting Numbers: [19928] 19928,97 unequal: No Solution Exploring Operation: 106+188=294, Resulting Numbers: [294] 294,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[123, 171], Operations: ['34+89=123', '72+99=171'] Exploring Operation: 123+171=294, Resulting Numbers: [294] 294,97 unequal: No Solution Exploring Operation: 123*171=21033, Resulting Numbers: [21033] 21033,97 unequal: No Solution Exploring Operation: 171-123=48, Resulting Numbers: [48] 48,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[99, 195], Operations: ['34+89=123', '72+123=195'] Exploring Operation: 99+195=294, Resulting Numbers: [294] 294,97 unequal: No Solution Exploring Operation: 99*195=19305, Resulting Numbers: [19305] 19305,97 unequal: No Solution Exploring Operation: 195-99=96, Resulting Numbers: [96] 96,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[99, 195], Operations: ['72+34=106', '89+106=195'] Exploring Operation: 195-99=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 99+195=294, Resulting Numbers: [294] 294,97 unequal: No Solution Exploring Operation: 99*195=19305, Resulting Numbers: [19305] 19305,97 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 40, 78, 30, 39 ]
49
[ "40+78=118", "30+39=69", "118-69=49" ]
Current State: 49:[40, 78, 30, 39], Operations: [] Exploring Operation: 40+78=118, Resulting Numbers: [30, 39, 118] Generated Node #2: [30, 39, 118] from Operation: 40+78=118 Current State: 49:[30, 39, 118], Operations: ['40+78=118'] Exploring Operation: 30+39=69, Resulting Numbers: [118, 69] Generated Node #3: [118, 69] from Operation: 30+39=69 Current State: 49:[118, 69], Operations: ['40+78=118', '30+39=69'] Exploring Operation: 118-69=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[40, 78, 30, 39], Operations: [] Exploring Operation: 78-30=48, Resulting Numbers: [40, 39, 48] Generated Node #0,0: 49:[40, 39, 48] Operation: 78-30=48 Moving to Node #0,0 Current State: 49:[40, 39, 48], Operations: ['78-30=48'] Exploring Operation: 40-39=1, Resulting Numbers: [48, 1] Generated Node #0,0,0: 49:[48, 1] Operation: 40-39=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[48, 1], Operations: ['78-30=48', '40-39=1'] Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[40, 78, 30, 39], Operations: [] Exploring Operation: 78-30=48, Resulting Numbers: [40, 39, 48] Generated Node #0,0: 49:[40, 39, 48] Operation: 78-30=48 Moving to Node #0,0 Current State: 49:[40, 39, 48], Operations: ['78-30=48'] Exploring Operation: 40-39=1, Resulting Numbers: [48, 1] Generated Node #0,0,0: 49:[48, 1] Operation: 40-39=1 Moving to Node #0,0,0 Current State: 49:[48, 1], Operations: ['78-30=48', '40-39=1'] Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 88, 29, 45, 76 ]
86
[ "88+29=117", "76-45=31", "117-31=86" ]
Current State: 86:[88, 29, 45, 76], Operations: [] Exploring Operation: 88+29=117, Resulting Numbers: [45, 76, 117] Generated Node #2: [45, 76, 117] from Operation: 88+29=117 Current State: 86:[45, 76, 117], Operations: ['88+29=117'] Exploring Operation: 76-45=31, Resulting Numbers: [117, 31] Generated Node #3: [117, 31] from Operation: 76-45=31 Current State: 86:[117, 31], Operations: ['88+29=117', '76-45=31'] Exploring Operation: 117-31=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[88, 29, 45, 76], Operations: [] Exploring Operation: 29+45=74, Resulting Numbers: [88, 76, 74] Generated Node #0,0: 86:[88, 76, 74] Operation: 29+45=74 Exploring Operation: 29+76=105, Resulting Numbers: [88, 45, 105] Generated Node #0,1: 86:[88, 45, 105] Operation: 29+76=105 Exploring Operation: 88-45=43, Resulting Numbers: [29, 76, 43] Generated Node #0,2: 86:[29, 76, 43] Operation: 88-45=43 Exploring Operation: 76-29=47, Resulting Numbers: [88, 45, 47] Generated Node #0,3: 86:[88, 45, 47] Operation: 76-29=47 Moving to Node #0,3 Current State: 86:[88, 45, 47], Operations: ['76-29=47'] Exploring Operation: 47-45=2, Resulting Numbers: [88, 2] Generated Node #0,3,0: 86:[88, 2] Operation: 47-45=2 Exploring Operation: 45+47=92, Resulting Numbers: [88, 92] Generated Node #0,3,1: 86:[88, 92] Operation: 45+47=92 Exploring Operation: 88-47=41, Resulting Numbers: [45, 41] Generated Node #0,3,2: 86:[45, 41] Operation: 88-47=41 Exploring Operation: 88-45=43, Resulting Numbers: [47, 43] Generated Node #0,3,3: 86:[47, 43] Operation: 88-45=43 Moving to Node #0,1 Current State: 86:[88, 45, 105], Operations: ['29+76=105'] Exploring Operation: 105-45=60, Resulting Numbers: [88, 60] Generated Node #0,1,0: 86:[88, 60] Operation: 105-45=60 Exploring Operation: 88+45=133, Resulting Numbers: [105, 133] Generated Node #0,1,1: 86:[105, 133] Operation: 88+45=133 Exploring Operation: 88-45=43, Resulting Numbers: [105, 43] Generated Node #0,1,2: 86:[105, 43] Operation: 88-45=43 Exploring Operation: 105-88=17, Resulting Numbers: [45, 17] Generated Node #0,1,3: 86:[45, 17] Operation: 105-88=17 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 86:[45, 17], Operations: ['29+76=105', '105-88=17'] Exploring Operation: 45*17=765, Resulting Numbers: [765] 765,86 unequal: No Solution Exploring Operation: 45+17=62, Resulting Numbers: [62] 62,86 unequal: No Solution Exploring Operation: 45-17=28, Resulting Numbers: [28] 28,86 unequal: No Solution No 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: 86:[88, 60], Operations: ['29+76=105', '105-45=60'] Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,86 unequal: No Solution Exploring Operation: 88+60=148, Resulting Numbers: [148] 148,86 unequal: No Solution Exploring Operation: 88*60=5280, Resulting Numbers: [5280] 5280,86 unequal: No Solution No 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: 86:[105, 43], Operations: ['29+76=105', '88-45=43'] Exploring Operation: 105+43=148, Resulting Numbers: [148] 148,86 unequal: No Solution Exploring Operation: 105*43=4515, Resulting Numbers: [4515] 4515,86 unequal: No Solution Exploring Operation: 105-43=62, Resulting Numbers: [62] 62,86 unequal: No Solution No 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: 86:[105, 133], Operations: ['29+76=105', '88+45=133'] Exploring Operation: 105*133=13965, Resulting Numbers: [13965] 13965,86 unequal: No Solution Exploring Operation: 105+133=238, Resulting Numbers: [238] 238,86 unequal: No Solution Exploring Operation: 133-105=28, Resulting Numbers: [28] 28,86 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: 86:[29, 76, 43], Operations: ['88-45=43'] Exploring Operation: 29+43=72, Resulting Numbers: [76, 72] Generated Node #0,2,0: 86:[76, 72] Operation: 29+43=72 Exploring Operation: 29+76=105, Resulting Numbers: [43, 105] Generated Node #0,2,1: 86:[43, 105] Operation: 29+76=105 Exploring Operation: 43-29=14, Resulting Numbers: [76, 14] Generated Node #0,2,2: 86:[76, 14] Operation: 43-29=14 Exploring Operation: 76-29=47, Resulting Numbers: [43, 47] Generated Node #0,2,3: 86:[43, 47] Operation: 76-29=47 Moving to Node #0,0 Current State: 86:[88, 76, 74], Operations: ['29+45=74'] Exploring Operation: 76-74=2, Resulting Numbers: [88, 2] Generated Node #0,0,0: 86:[88, 2] Operation: 76-74=2 Exploring Operation: 76+74=150, Resulting Numbers: [88, 150] Generated Node #0,0,1: 86:[88, 150] Operation: 76+74=150 Exploring Operation: 88-76=12, Resulting Numbers: [74, 12] Generated Node #0,0,2: 86:[74, 12] Operation: 88-76=12 Exploring Operation: 88-74=14, Resulting Numbers: [76, 14] Generated Node #0,0,3: 86:[76, 14] Operation: 88-74=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[88, 2], Operations: ['29+45=74', '76-74=2'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,86 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[88, 29, 45, 76], Operations: [] Exploring Operation: 29+45=74, Resulting Numbers: [88, 76, 74] Generated Node #0,0: 86:[88, 76, 74] Operation: 29+45=74 Moving to Node #0,0 Current State: 86:[88, 76, 74], Operations: ['29+45=74'] Exploring Operation: 76-74=2, Resulting Numbers: [88, 2] Generated Node #0,0,0: 86:[88, 2] Operation: 76-74=2 Moving to Node #0,0,0 Current State: 86:[88, 2], Operations: ['29+45=74', '76-74=2'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
sum_heuristic
[ 53, 47, 15, 7 ]
51
[ "53+7=60", "60/15=4", "47+4=51" ]
Current State: 51:[53, 47, 15, 7], Operations: [] Exploring Operation: 53+7=60, Resulting Numbers: [47, 15, 60] Generated Node #2: [47, 15, 60] from Operation: 53+7=60 Current State: 51:[47, 15, 60], Operations: ['53+7=60'] Exploring Operation: 60/15=4, Resulting Numbers: [47, 4] Generated Node #3: [47, 4] from Operation: 60/15=4 Current State: 51:[47, 4], Operations: ['53+7=60', '60/15=4'] Exploring Operation: 47+4=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[53, 47, 15, 7], Operations: [] Exploring Operation: 15+7=22, Resulting Numbers: [53, 47, 22] Generated Node #0,0: 51:[53, 47, 22] Operation: 15+7=22 Exploring Operation: 53-47=6, Resulting Numbers: [15, 7, 6] Generated Node #0,1: 51:[15, 7, 6] Operation: 53-47=6 Exploring Operation: 47+7=54, Resulting Numbers: [53, 15, 54] Generated Node #0,2: 51:[53, 15, 54] Operation: 47+7=54 Exploring Operation: 53-7=46, Resulting Numbers: [47, 15, 46] Generated Node #0,3: 51:[47, 15, 46] Operation: 53-7=46 Moving to Node #0,2 Current State: 51:[53, 15, 54], Operations: ['47+7=54'] Exploring Operation: 53+15=68, Resulting Numbers: [54, 68] Generated Node #0,2,0: 51:[54, 68] Operation: 53+15=68 Exploring Operation: 54-53=1, Resulting Numbers: [15, 1] Generated Node #0,2,1: 51:[15, 1] Operation: 54-53=1 Exploring Operation: 53-15=38, Resulting Numbers: [54, 38] Generated Node #0,2,2: 51:[54, 38] Operation: 53-15=38 Exploring Operation: 54-15=39, Resulting Numbers: [53, 39] Generated Node #0,2,3: 51:[53, 39] Operation: 54-15=39 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 51:[15, 1], Operations: ['47+7=54', '54-53=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 51:[53, 39], Operations: ['47+7=54', '54-15=39'] Exploring Operation: 53-39=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 53*39=2067, Resulting Numbers: [2067] 2067,51 unequal: No Solution Exploring Operation: 53+39=92, Resulting Numbers: [92] 92,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 51:[54, 38], Operations: ['47+7=54', '53-15=38'] Exploring Operation: 54+38=92, Resulting Numbers: [92] 92,51 unequal: No Solution Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 54*38=2052, Resulting Numbers: [2052] 2052,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 51:[54, 68], Operations: ['47+7=54', '53+15=68'] Exploring Operation: 54+68=122, Resulting Numbers: [122] 122,51 unequal: No Solution Exploring Operation: 54*68=3672, Resulting Numbers: [3672] 3672,51 unequal: No Solution Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,51 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: 51:[15, 7, 6], Operations: ['53-47=6'] Exploring Operation: 15-7=8, Resulting Numbers: [6, 8] Generated Node #0,1,0: 51:[6, 8] Operation: 15-7=8 Exploring Operation: 7+6=13, Resulting Numbers: [15, 13] Generated Node #0,1,1: 51:[15, 13] Operation: 7+6=13 Exploring Operation: 15+7=22, Resulting Numbers: [6, 22] Generated Node #0,1,2: 51:[6, 22] Operation: 15+7=22 Exploring Operation: 7-6=1, Resulting Numbers: [15, 1] Generated Node #0,1,3: 51:[15, 1] Operation: 7-6=1 Moving to Node #0,3 Current State: 51:[47, 15, 46], Operations: ['53-7=46'] Exploring Operation: 15+46=61, Resulting Numbers: [47, 61] Generated Node #0,3,0: 51:[47, 61] Operation: 15+46=61 Exploring Operation: 46-15=31, Resulting Numbers: [47, 31] Generated Node #0,3,1: 51:[47, 31] Operation: 46-15=31 Exploring Operation: 47-46=1, Resulting Numbers: [15, 1] Generated Node #0,3,2: 51:[15, 1] Operation: 47-46=1 Exploring Operation: 47+15=62, Resulting Numbers: [46, 62] Generated Node #0,3,3: 51:[46, 62] Operation: 47+15=62 Moving to Node #0,0 Current State: 51:[53, 47, 22], Operations: ['15+7=22'] Exploring Operation: 53-47=6, Resulting Numbers: [22, 6] Generated Node #0,0,0: 51:[22, 6] Operation: 53-47=6 Exploring Operation: 47+22=69, Resulting Numbers: [53, 69] Generated Node #0,0,1: 51:[53, 69] Operation: 47+22=69 Exploring Operation: 47-22=25, Resulting Numbers: [53, 25] Generated Node #0,0,2: 51:[53, 25] Operation: 47-22=25 Exploring Operation: 53-22=31, Resulting Numbers: [47, 31] Generated Node #0,0,3: 51:[47, 31] Operation: 53-22=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[22, 6], Operations: ['15+7=22', '53-47=6'] Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,51 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 51:[53, 25], Operations: ['15+7=22', '47-22=25'] Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,51 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 53*25=1325, Resulting Numbers: [1325] 1325,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 51:[47, 31], Operations: ['15+7=22', '53-22=31'] Exploring Operation: 47*31=1457, Resulting Numbers: [1457] 1457,51 unequal: No Solution Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,51 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[53, 69], Operations: ['15+7=22', '47+22=69'] Exploring Operation: 53*69=3657, Resulting Numbers: [3657] 3657,51 unequal: No Solution Exploring Operation: 69-53=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 53+69=122, Resulting Numbers: [122] 122,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 51:[15, 1], Operations: ['53-47=6', '7-6=1'] Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,51 unequal: No Solution Moving to Node #0,3,2 Current State: 51:[15, 1], Operations: ['53-7=46', '47-46=1'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[15, 13], Operations: ['53-47=6', '7+6=13'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 15*13=195, Resulting Numbers: [195] 195,51 unequal: No Solution Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[6, 8], Operations: ['53-47=6', '15-7=8'] Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,51 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[6, 22], Operations: ['53-47=6', '15+7=22'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,51 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,51 unequal: No Solution Moving to Node #0,3,0 Current State: 51:[47, 61], Operations: ['53-7=46', '15+46=61'] Exploring Operation: 61-47=14, Resulting Numbers: [14] 14,51 unequal: No Solution Exploring Operation: 47+61=108, Resulting Numbers: [108] 108,51 unequal: No Solution Exploring Operation: 47*61=2867, Resulting Numbers: [2867] 2867,51 unequal: No Solution Moving to Node #0,3,3 Current State: 51:[46, 62], Operations: ['53-7=46', '47+15=62'] Exploring Operation: 46*62=2852, Resulting Numbers: [2852] 2852,51 unequal: No Solution Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 46+62=108, Resulting Numbers: [108] 108,51 unequal: No Solution Moving to Node #0,3,1 Current State: 51:[47, 31], Operations: ['53-7=46', '46-15=31'] Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,51 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,51 unequal: No Solution Exploring Operation: 47*31=1457, Resulting Numbers: [1457] 1457,51 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 99, 2, 14, 67 ]
16
[ "99-2=97", "14+67=81", "97-81=16" ]
Current State: 16:[99, 2, 14, 67], Operations: [] Exploring Operation: 99-2=97, Resulting Numbers: [14, 67, 97] Generated Node #2: [14, 67, 97] from Operation: 99-2=97 Current State: 16:[14, 67, 97], Operations: ['99-2=97'] Exploring Operation: 14+67=81, Resulting Numbers: [97, 81] Generated Node #3: [97, 81] from Operation: 14+67=81 Current State: 16:[97, 81], Operations: ['99-2=97', '14+67=81'] Exploring Operation: 97-81=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[99, 2, 14, 67], Operations: [] Exploring Operation: 99-67=32, Resulting Numbers: [2, 14, 32] Generated Node #0,0: 16:[2, 14, 32] Operation: 99-67=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[2, 14, 32], Operations: ['99-67=32'] Exploring Operation: 32/2=16, Resulting Numbers: [14, 16] Generated Node #0,0,0: 16:[14, 16] Operation: 32/2=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[14, 16], Operations: ['99-67=32', '32/2=16'] Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,16 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
[ 67, 38, 37, 25 ]
92
[ "67+25=92", "38-37=1", "92*1=92" ]
Current State: 92:[67, 38, 37, 25], Operations: [] Exploring Operation: 67+25=92, Resulting Numbers: [38, 37, 92] Generated Node #2: [38, 37, 92] from Operation: 67+25=92 Current State: 92:[38, 37, 92], Operations: ['67+25=92'] Exploring Operation: 38-37=1, Resulting Numbers: [92, 1] Generated Node #3: [92, 1] from Operation: 38-37=1 Current State: 92:[92, 1], Operations: ['67+25=92', '38-37=1'] Exploring Operation: 92*1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[67, 38, 37, 25], Operations: [] Exploring Operation: 67-37=30, Resulting Numbers: [38, 25, 30] Generated Node #0,0: 92:[38, 25, 30] Operation: 67-37=30 Exploring Operation: 67-38=29, Resulting Numbers: [37, 25, 29] Generated Node #0,1: 92:[37, 25, 29] Operation: 67-38=29 Exploring Operation: 67+37=104, Resulting Numbers: [38, 25, 104] Generated Node #0,2: 92:[38, 25, 104] Operation: 67+37=104 Exploring Operation: 67+25=92, Resulting Numbers: [38, 37, 92] Generated Node #0,3: 92:[38, 37, 92] Operation: 67+25=92 Exploring Operation: 67-25=42, Resulting Numbers: [38, 37, 42] Generated Node #0,4: 92:[38, 37, 42] Operation: 67-25=42 Moving to Node #0,0 Current State: 92:[38, 25, 30], Operations: ['67-37=30'] Exploring Operation: 38-25=13, Resulting Numbers: [30, 13] Generated Node #0,0,0: 92:[30, 13] Operation: 38-25=13 Exploring Operation: 38-30=8, Resulting Numbers: [25, 8] Generated Node #0,0,1: 92:[25, 8] Operation: 38-30=8 Exploring Operation: 30-25=5, Resulting Numbers: [38, 5] Generated Node #0,0,2: 92:[38, 5] Operation: 30-25=5 Exploring Operation: 25+30=55, Resulting Numbers: [38, 55] Generated Node #0,0,3: 92:[38, 55] Operation: 25+30=55 Exploring Operation: 38+25=63, Resulting Numbers: [30, 63] Generated Node #0,0,4: 92:[30, 63] Operation: 38+25=63 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[25, 8], Operations: ['67-37=30', '38-30=8'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,92 unequal: No Solution Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 92:[38, 5], Operations: ['67-37=30', '30-25=5'] Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,92 unequal: No Solution Exploring Operation: 38*5=190, Resulting Numbers: [190] 190,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 92:[30, 13], Operations: ['67-37=30', '38-25=13'] Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 92:[38, 55], Operations: ['67-37=30', '25+30=55'] Exploring Operation: 38*55=2090, Resulting Numbers: [2090] 2090,92 unequal: No Solution Exploring Operation: 55-38=17, Resulting Numbers: [17] 17,92 unequal: No Solution Exploring Operation: 38+55=93, Resulting Numbers: [93] 93,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 92:[30, 63], Operations: ['67-37=30', '38+25=63'] Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,92 unequal: No Solution Exploring Operation: 30*63=1890, Resulting Numbers: [1890] 1890,92 unequal: No Solution Exploring Operation: 30+63=93, Resulting Numbers: [93] 93,92 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: 92:[38, 37, 92], Operations: ['67+25=92'] Exploring Operation: 38-37=1, Resulting Numbers: [92, 1] Generated Node #0,3,0: 92:[92, 1] Operation: 38-37=1 Exploring Operation: 92-38=54, Resulting Numbers: [37, 54] Generated Node #0,3,1: 92:[37, 54] Operation: 92-38=54 Exploring Operation: 92-37=55, Resulting Numbers: [38, 55] Generated Node #0,3,2: 92:[38, 55] Operation: 92-37=55 Exploring Operation: 38+37=75, Resulting Numbers: [92, 75] Generated Node #0,3,3: 92:[92, 75] Operation: 38+37=75 Exploring Operation: 37+92=129, Resulting Numbers: [38, 129] Generated Node #0,3,4: 92:[38, 129] Operation: 37+92=129 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 92:[92, 1], Operations: ['67+25=92', '38-37=1'] Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[67, 38, 37, 25], Operations: [] Exploring Operation: 67+25=92, Resulting Numbers: [38, 37, 92] Generated Node #0,3: 92:[38, 37, 92] Operation: 67+25=92 Moving to Node #0,3 Current State: 92:[38, 37, 92], Operations: ['67+25=92'] Exploring Operation: 38-37=1, Resulting Numbers: [92, 1] Generated Node #0,3,0: 92:[92, 1] Operation: 38-37=1 Moving to Node #0,3,0 Current State: 92:[92, 1], Operations: ['67+25=92', '38-37=1'] Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_5
sum_heuristic
[ 30, 57, 5, 60 ]
11
[ "60/30=2", "57-2=55", "55/5=11" ]
Current State: 11:[30, 57, 5, 60], Operations: [] Exploring Operation: 60/30=2, Resulting Numbers: [57, 5, 2] Generated Node #2: [57, 5, 2] from Operation: 60/30=2 Current State: 11:[57, 5, 2], Operations: ['60/30=2'] Exploring Operation: 57-2=55, Resulting Numbers: [5, 55] Generated Node #3: [5, 55] from Operation: 57-2=55 Current State: 11:[5, 55], Operations: ['60/30=2', '57-2=55'] Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[30, 57, 5, 60], Operations: [] Exploring Operation: 60/5=12, Resulting Numbers: [30, 57, 12] Generated Node #0,0: 11:[30, 57, 12] Operation: 60/5=12 Exploring Operation: 60-57=3, Resulting Numbers: [30, 5, 3] Generated Node #0,1: 11:[30, 5, 3] Operation: 60-57=3 Exploring Operation: 60/30=2, Resulting Numbers: [57, 5, 2] Generated Node #0,2: 11:[57, 5, 2] Operation: 60/30=2 Exploring Operation: 57-30=27, Resulting Numbers: [5, 60, 27] Generated Node #0,3: 11:[5, 60, 27] Operation: 57-30=27 Moving to Node #0,1 Current State: 11:[30, 5, 3], Operations: ['60-57=3'] Exploring Operation: 30/5=6, Resulting Numbers: [3, 6] Generated Node #0,1,0: 11:[3, 6] Operation: 30/5=6 Exploring Operation: 30-5=25, Resulting Numbers: [3, 25] Generated Node #0,1,1: 11:[3, 25] Operation: 30-5=25 Exploring Operation: 30/3=10, Resulting Numbers: [5, 10] Generated Node #0,1,2: 11:[5, 10] Operation: 30/3=10 Exploring Operation: 30-3=27, Resulting Numbers: [5, 27] Generated Node #0,1,3: 11:[5, 27] Operation: 30-3=27 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 11:[5, 10], Operations: ['60-57=3', '30/3=10'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,11 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,11 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:[3, 6], Operations: ['60-57=3', '30/5=6'] Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,11 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:[3, 25], Operations: ['60-57=3', '30-5=25'] Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,11 unequal: No Solution Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,11 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,11 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 #0,1,3 Current State: 11:[5, 27], Operations: ['60-57=3', '30-3=27'] Exploring Operation: 5*27=135, Resulting Numbers: [135] 135,11 unequal: No Solution Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,11 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,11 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:[57, 5, 2], Operations: ['60/30=2'] Exploring Operation: 57-2=55, Resulting Numbers: [5, 55] Generated Node #0,2,0: 11:[5, 55] Operation: 57-2=55 Exploring Operation: 5*2=10, Resulting Numbers: [57, 10] Generated Node #0,2,1: 11:[57, 10] Operation: 5*2=10 Exploring Operation: 5+2=7, Resulting Numbers: [57, 7] Generated Node #0,2,2: 11:[57, 7] Operation: 5+2=7 Exploring Operation: 57-5=52, Resulting Numbers: [2, 52] Generated Node #0,2,3: 11:[2, 52] Operation: 57-5=52 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 11:[57, 10], Operations: ['60/30=2', '5*2=10'] Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,11 unequal: No Solution Exploring Operation: 57*10=570, Resulting Numbers: [570] 570,11 unequal: No Solution Exploring Operation: 57+10=67, Resulting Numbers: [67] 67,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 11:[5, 55], Operations: ['60/30=2', '57-2=55'] Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[30, 57, 5, 60], Operations: [] Exploring Operation: 60/30=2, Resulting Numbers: [57, 5, 2] Generated Node #0,2: 11:[57, 5, 2] Operation: 60/30=2 Moving to Node #0,2 Current State: 11:[57, 5, 2], Operations: ['60/30=2'] Exploring Operation: 57-2=55, Resulting Numbers: [5, 55] Generated Node #0,2,0: 11:[5, 55] Operation: 57-2=55 Moving to Node #0,2,0 Current State: 11:[5, 55], Operations: ['60/30=2', '57-2=55'] Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
sum_heuristic
[ 9, 54, 70, 68 ]
90
[ "54-9=45", "70-68=2", "45*2=90" ]
Current State: 90:[9, 54, 70, 68], Operations: [] Exploring Operation: 54-9=45, Resulting Numbers: [70, 68, 45] Generated Node #2: [70, 68, 45] from Operation: 54-9=45 Current State: 90:[70, 68, 45], Operations: ['54-9=45'] Exploring Operation: 70-68=2, Resulting Numbers: [45, 2] Generated Node #3: [45, 2] from Operation: 70-68=2 Current State: 90:[45, 2], Operations: ['54-9=45', '70-68=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[9, 54, 70, 68], Operations: [] Exploring Operation: 70-68=2, Resulting Numbers: [9, 54, 2] Generated Node #0,0: 90:[9, 54, 2] Operation: 70-68=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[9, 54, 2], Operations: ['70-68=2'] Exploring Operation: 54-9=45, Resulting Numbers: [2, 45] Generated Node #0,0,0: 90:[2, 45] Operation: 54-9=45 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[2, 45], Operations: ['70-68=2', '54-9=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[9, 54, 70, 68], Operations: [] Exploring Operation: 70-68=2, Resulting Numbers: [9, 54, 2] Generated Node #0,0: 90:[9, 54, 2] Operation: 70-68=2 Moving to Node #0,0 Current State: 90:[9, 54, 2], Operations: ['70-68=2'] Exploring Operation: 54-9=45, Resulting Numbers: [2, 45] Generated Node #0,0,0: 90:[2, 45] Operation: 54-9=45 Moving to Node #0,0,0 Current State: 90:[2, 45], Operations: ['70-68=2', '54-9=45'] Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 86, 85, 44, 55 ]
99
[ "86-85=1", "44+55=99", "1*99=99" ]
Current State: 99:[86, 85, 44, 55], Operations: [] Exploring Operation: 86-85=1, Resulting Numbers: [44, 55, 1] Generated Node #2: [44, 55, 1] from Operation: 86-85=1 Current State: 99:[44, 55, 1], Operations: ['86-85=1'] Exploring Operation: 44+55=99, Resulting Numbers: [1, 99] Generated Node #3: [1, 99] from Operation: 44+55=99 Current State: 99:[1, 99], Operations: ['86-85=1', '44+55=99'] Exploring Operation: 1*99=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[86, 85, 44, 55], Operations: [] Exploring Operation: 85-55=30, Resulting Numbers: [86, 44, 30] Generated Node #0,0: 99:[86, 44, 30] Operation: 85-55=30 Exploring Operation: 86-55=31, Resulting Numbers: [85, 44, 31] Generated Node #0,1: 99:[85, 44, 31] Operation: 86-55=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[86, 44, 30], Operations: ['85-55=30'] Exploring Operation: 86-44=42, Resulting Numbers: [30, 42] Generated Node #0,0,0: 99:[30, 42] Operation: 86-44=42 Exploring Operation: 44-30=14, Resulting Numbers: [86, 14] Generated Node #0,0,1: 99:[86, 14] Operation: 44-30=14 Moving to Node #0,0,0 Current State: 99:[30, 42], Operations: ['85-55=30', '86-44=42'] Exploring Operation: 30+42=72, Resulting Numbers: [72] 72,99 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[86, 14], Operations: ['85-55=30', '44-30=14'] Exploring Operation: 86+14=100, Resulting Numbers: [100] 100,99 unequal: No Solution Exploring Operation: 86-14=72, Resulting Numbers: [72] 72,99 unequal: No Solution No 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: 99:[85, 44, 31], Operations: ['86-55=31'] Exploring Operation: 85-44=41, Resulting Numbers: [31, 41] Generated Node #0,1,0: 99:[31, 41] Operation: 85-44=41 Exploring Operation: 44-31=13, Resulting Numbers: [85, 13] Generated Node #0,1,1: 99:[85, 13] Operation: 44-31=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[31, 41], Operations: ['86-55=31', '85-44=41'] Exploring Operation: 31+41=72, Resulting Numbers: [72] 72,99 unequal: No Solution Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,99 unequal: No Solution No 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: 99:[85, 13], Operations: ['86-55=31', '44-31=13'] Exploring Operation: 85+13=98, Resulting Numbers: [98] 98,99 unequal: No Solution Exploring Operation: 85-13=72, Resulting Numbers: [72] 72,99 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
[ 98, 51, 46, 19 ]
19
[ "98-51=47", "47-46=1", "19*1=19" ]
Current State: 19:[98, 51, 46, 19], Operations: [] Exploring Operation: 98-51=47, Resulting Numbers: [46, 19, 47] Generated Node #2: [46, 19, 47] from Operation: 98-51=47 Current State: 19:[46, 19, 47], Operations: ['98-51=47'] Exploring Operation: 47-46=1, Resulting Numbers: [19, 1] Generated Node #3: [19, 1] from Operation: 47-46=1 Current State: 19:[19, 1], Operations: ['98-51=47', '47-46=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[98, 51, 46, 19], Operations: [] Exploring Operation: 98-46=52, Resulting Numbers: [51, 19, 52] Generated Node #0,0: 19:[51, 19, 52] Operation: 98-46=52 Exploring Operation: 51-19=32, Resulting Numbers: [98, 46, 32] Generated Node #0,1: 19:[98, 46, 32] Operation: 51-19=32 Exploring Operation: 51-46=5, Resulting Numbers: [98, 19, 5] Generated Node #0,2: 19:[98, 19, 5] Operation: 51-46=5 Exploring Operation: 98-51=47, Resulting Numbers: [46, 19, 47] Generated Node #0,3: 19:[46, 19, 47] Operation: 98-51=47 Exploring Operation: 98-19=79, Resulting Numbers: [51, 46, 79] Generated Node #0,4: 19:[51, 46, 79] Operation: 98-19=79 Moving to Node #0,3 Current State: 19:[46, 19, 47], Operations: ['98-51=47'] Exploring Operation: 47-46=1, Resulting Numbers: [19, 1] Generated Node #0,3,0: 19:[19, 1] Operation: 47-46=1 Exploring Operation: 46+47=93, Resulting Numbers: [19, 93] Generated Node #0,3,1: 19:[19, 93] Operation: 46+47=93 Exploring Operation: 46-19=27, Resulting Numbers: [47, 27] Generated Node #0,3,2: 19:[47, 27] Operation: 46-19=27 Exploring Operation: 47-19=28, Resulting Numbers: [46, 28] Generated Node #0,3,3: 19:[46, 28] Operation: 47-19=28 Exploring Operation: 46+19=65, Resulting Numbers: [47, 65] Generated Node #0,3,4: 19:[47, 65] Operation: 46+19=65 Moving to Node #0,0 Current State: 19:[51, 19, 52], Operations: ['98-46=52'] Exploring Operation: 52-19=33, Resulting Numbers: [51, 33] Generated Node #0,0,0: 19:[51, 33] Operation: 52-19=33 Exploring Operation: 51+52=103, Resulting Numbers: [19, 103] Generated Node #0,0,1: 19:[19, 103] Operation: 51+52=103 Exploring Operation: 52-51=1, Resulting Numbers: [19, 1] Generated Node #0,0,2: 19:[19, 1] Operation: 52-51=1 Exploring Operation: 51+19=70, Resulting Numbers: [52, 70] Generated Node #0,0,3: 19:[52, 70] Operation: 51+19=70 Exploring Operation: 51-19=32, Resulting Numbers: [52, 32] Generated Node #0,0,4: 19:[52, 32] Operation: 51-19=32 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[19, 1], Operations: ['98-46=52', '52-51=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[98, 51, 46, 19], Operations: [] Exploring Operation: 98-46=52, Resulting Numbers: [51, 19, 52] Generated Node #0,0: 19:[51, 19, 52] Operation: 98-46=52 Moving to Node #0,0 Current State: 19:[51, 19, 52], Operations: ['98-46=52'] Exploring Operation: 52-51=1, Resulting Numbers: [19, 1] Generated Node #0,0,2: 19:[19, 1] Operation: 52-51=1 Moving to Node #0,0,2 Current State: 19:[19, 1], Operations: ['98-46=52', '52-51=1'] Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 80, 76, 66, 27 ]
97
[ "80-76=4", "66+27=93", "4+93=97" ]
Current State: 97:[80, 76, 66, 27], Operations: [] Exploring Operation: 80-76=4, Resulting Numbers: [66, 27, 4] Generated Node #2: [66, 27, 4] from Operation: 80-76=4 Current State: 97:[66, 27, 4], Operations: ['80-76=4'] Exploring Operation: 66+27=93, Resulting Numbers: [4, 93] Generated Node #3: [4, 93] from Operation: 66+27=93 Current State: 97:[4, 93], Operations: ['80-76=4', '66+27=93'] Exploring Operation: 4+93=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[80, 76, 66, 27], Operations: [] Exploring Operation: 76+27=103, Resulting Numbers: [80, 66, 103] Generated Node #0,0: 97:[80, 66, 103] Operation: 76+27=103 Exploring Operation: 80+27=107, Resulting Numbers: [76, 66, 107] Generated Node #0,1: 97:[76, 66, 107] Operation: 80+27=107 Exploring Operation: 66+27=93, Resulting Numbers: [80, 76, 93] Generated Node #0,2: 97:[80, 76, 93] Operation: 66+27=93 Exploring Operation: 76-27=49, Resulting Numbers: [80, 66, 49] Generated Node #0,3: 97:[80, 66, 49] Operation: 76-27=49 Exploring Operation: 80-27=53, Resulting Numbers: [76, 66, 53] Generated Node #0,4: 97:[76, 66, 53] Operation: 80-27=53 Moving to Node #0,2 Current State: 97:[80, 76, 93], Operations: ['66+27=93'] Exploring Operation: 76+93=169, Resulting Numbers: [80, 169] Generated Node #0,2,0: 97:[80, 169] Operation: 76+93=169 Exploring Operation: 80-76=4, Resulting Numbers: [93, 4] Generated Node #0,2,1: 97:[93, 4] Operation: 80-76=4 Exploring Operation: 80+76=156, Resulting Numbers: [93, 156] Generated Node #0,2,2: 97:[93, 156] Operation: 80+76=156 Exploring Operation: 93-76=17, Resulting Numbers: [80, 17] Generated Node #0,2,3: 97:[80, 17] Operation: 93-76=17 Exploring Operation: 80+93=173, Resulting Numbers: [76, 173] Generated Node #0,2,4: 97:[76, 173] Operation: 80+93=173 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[93, 156], Operations: ['66+27=93', '80+76=156'] Exploring Operation: 156-93=63, Resulting Numbers: [63] 63,97 unequal: No Solution Exploring Operation: 93+156=249, Resulting Numbers: [249] 249,97 unequal: No Solution Exploring Operation: 93*156=14508, Resulting Numbers: [14508] 14508,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[80, 169], Operations: ['66+27=93', '76+93=169'] Exploring Operation: 80*169=13520, Resulting Numbers: [13520] 13520,97 unequal: No Solution Exploring Operation: 169-80=89, Resulting Numbers: [89] 89,97 unequal: No Solution Exploring Operation: 80+169=249, Resulting Numbers: [249] 249,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[93, 4], Operations: ['66+27=93', '80-76=4'] Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[80, 76, 66, 27], Operations: [] Exploring Operation: 66+27=93, Resulting Numbers: [80, 76, 93] Generated Node #0,2: 97:[80, 76, 93] Operation: 66+27=93 Moving to Node #0,2 Current State: 97:[80, 76, 93], Operations: ['66+27=93'] Exploring Operation: 80-76=4, Resulting Numbers: [93, 4] Generated Node #0,2,1: 97:[93, 4] Operation: 80-76=4 Moving to Node #0,2,1 Current State: 97:[93, 4], Operations: ['66+27=93', '80-76=4'] Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 20, 35, 21, 14 ]
62
[ "20+35=55", "21-14=7", "55+7=62" ]
Current State: 62:[20, 35, 21, 14], Operations: [] Exploring Operation: 20+35=55, Resulting Numbers: [21, 14, 55] Generated Node #2: [21, 14, 55] from Operation: 20+35=55 Current State: 62:[21, 14, 55], Operations: ['20+35=55'] Exploring Operation: 21-14=7, Resulting Numbers: [55, 7] Generated Node #3: [55, 7] from Operation: 21-14=7 Current State: 62:[55, 7], Operations: ['20+35=55', '21-14=7'] Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[20, 35, 21, 14], Operations: [] Exploring Operation: 21-20=1, Resulting Numbers: [35, 14, 1] Generated Node #0,0: 62:[35, 14, 1] Operation: 21-20=1 Moving to Node #0,0 Current State: 62:[35, 14, 1], Operations: ['21-20=1'] Exploring Operation: 35-14=21, Resulting Numbers: [1, 21] Generated Node #0,0,0: 62:[1, 21] Operation: 35-14=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[1, 21], Operations: ['21-20=1', '35-14=21'] Exploring Operation: 1+21=22, Resulting Numbers: [22] 22,62 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
[ 40, 5, 8, 80 ]
15
[ "40*5=200", "200-80=120", "120/8=15" ]
Current State: 15:[40, 5, 8, 80], Operations: [] Exploring Operation: 40*5=200, Resulting Numbers: [8, 80, 200] Generated Node #2: [8, 80, 200] from Operation: 40*5=200 Current State: 15:[8, 80, 200], Operations: ['40*5=200'] Exploring Operation: 200-80=120, Resulting Numbers: [8, 120] Generated Node #3: [8, 120] from Operation: 200-80=120 Current State: 15:[8, 120], Operations: ['40*5=200', '200-80=120'] Exploring Operation: 120/8=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[40, 5, 8, 80], Operations: [] Exploring Operation: 80/40=2, Resulting Numbers: [5, 8, 2] Generated Node #0,0: 15:[5, 8, 2] Operation: 80/40=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[5, 8, 2], Operations: ['80/40=2'] Exploring Operation: 8-5=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 15:[2, 3] Operation: 8-5=3 Moving to Node #0,0,0 Current State: 15:[2, 3], Operations: ['80/40=2', '8-5=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 70, 88, 86, 8 ]
39
[ "70+8=78", "88-86=2", "78/2=39" ]
Current State: 39:[70, 88, 86, 8], Operations: [] Exploring Operation: 70+8=78, Resulting Numbers: [88, 86, 78] Generated Node #2: [88, 86, 78] from Operation: 70+8=78 Current State: 39:[88, 86, 78], Operations: ['70+8=78'] Exploring Operation: 88-86=2, Resulting Numbers: [78, 2] Generated Node #3: [78, 2] from Operation: 88-86=2 Current State: 39:[78, 2], Operations: ['70+8=78', '88-86=2'] Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[70, 88, 86, 8], Operations: [] Exploring Operation: 70-8=62, Resulting Numbers: [88, 86, 62] Generated Node #0,0: 39:[88, 86, 62] Operation: 70-8=62 Exploring Operation: 86-70=16, Resulting Numbers: [88, 8, 16] Generated Node #0,1: 39:[88, 8, 16] Operation: 86-70=16 Exploring Operation: 88-70=18, Resulting Numbers: [86, 8, 18] Generated Node #0,2: 39:[86, 8, 18] Operation: 88-70=18 Exploring Operation: 88/8=11, Resulting Numbers: [70, 86, 11] Generated Node #0,3: 39:[70, 86, 11] Operation: 88/8=11 Exploring Operation: 88-86=2, Resulting Numbers: [70, 8, 2] Generated Node #0,4: 39:[70, 8, 2] Operation: 88-86=2 Moving to Node #0,4 Current State: 39:[70, 8, 2], Operations: ['88-86=2'] Exploring Operation: 70/2=35, Resulting Numbers: [8, 35] Generated Node #0,4,0: 39:[8, 35] Operation: 70/2=35 Exploring Operation: 8+2=10, Resulting Numbers: [70, 10] Generated Node #0,4,1: 39:[70, 10] Operation: 8+2=10 Exploring Operation: 8/2=4, Resulting Numbers: [70, 4] Generated Node #0,4,2: 39:[70, 4] Operation: 8/2=4 Exploring Operation: 70-8=62, Resulting Numbers: [2, 62] Generated Node #0,4,3: 39:[2, 62] Operation: 70-8=62 Exploring Operation: 70-2=68, Resulting Numbers: [8, 68] Generated Node #0,4,4: 39:[8, 68] Operation: 70-2=68 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 39:[8, 35], Operations: ['88-86=2', '70/2=35'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 8+35=43, Resulting Numbers: [43] 43,39 unequal: No Solution Exploring Operation: 8*35=280, Resulting Numbers: [280] 280,39 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 #0,4,3 Current State: 39:[2, 62], Operations: ['88-86=2', '70-8=62'] Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,39 unequal: No Solution Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,39 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 #0,4,2 Current State: 39:[70, 4], Operations: ['88-86=2', '8/2=4'] Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,39 unequal: No Solution Exploring Operation: 70*4=280, Resulting Numbers: [280] 280,39 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,39 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 #0,4,1 Current State: 39:[70, 10], Operations: ['88-86=2', '8+2=10'] Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,39 unequal: No Solution Exploring Operation: 70*10=700, Resulting Numbers: [700] 700,39 unequal: No Solution Exploring Operation: 70+10=80, Resulting Numbers: [80] 80,39 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 #0,4,4 Current State: 39:[8, 68], Operations: ['88-86=2', '70-2=68'] Exploring Operation: 8*68=544, Resulting Numbers: [544] 544,39 unequal: No Solution Exploring Operation: 8+68=76, Resulting Numbers: [76] 76,39 unequal: No Solution Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,39 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: 39:[86, 8, 18], Operations: ['88-70=18'] Exploring Operation: 8+18=26, Resulting Numbers: [86, 26] Generated Node #0,2,0: 39:[86, 26] Operation: 8+18=26 Exploring Operation: 86-18=68, Resulting Numbers: [8, 68] Generated Node #0,2,1: 39:[8, 68] Operation: 86-18=68 Exploring Operation: 18-8=10, Resulting Numbers: [86, 10] Generated Node #0,2,2: 39:[86, 10] Operation: 18-8=10 Exploring Operation: 86+8=94, Resulting Numbers: [18, 94] Generated Node #0,2,3: 39:[18, 94] Operation: 86+8=94 Exploring Operation: 86-8=78, Resulting Numbers: [18, 78] Generated Node #0,2,4: 39:[18, 78] Operation: 86-8=78 Moving to Node #0,1 Current State: 39:[88, 8, 16], Operations: ['86-70=16'] Exploring Operation: 88-8=80, Resulting Numbers: [16, 80] Generated Node #0,1,0: 39:[16, 80] Operation: 88-8=80 Exploring Operation: 88/8=11, Resulting Numbers: [16, 11] Generated Node #0,1,1: 39:[16, 11] Operation: 88/8=11 Exploring Operation: 16/8=2, Resulting Numbers: [88, 2] Generated Node #0,1,2: 39:[88, 2] Operation: 16/8=2 Exploring Operation: 16-8=8, Resulting Numbers: [88, 8] Generated Node #0,1,3: 39:[88, 8] Operation: 16-8=8 Exploring Operation: 88-16=72, Resulting Numbers: [8, 72] Generated Node #0,1,4: 39:[8, 72] Operation: 88-16=72 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[16, 11], Operations: ['86-70=16', '88/8=11'] Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 16*11=176, Resulting Numbers: [176] 176,39 unequal: No Solution Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,39 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 #0,1,4 Current State: 39:[8, 72], Operations: ['86-70=16', '88-16=72'] Exploring Operation: 8*72=576, Resulting Numbers: [576] 576,39 unequal: No Solution Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,39 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 8+72=80, Resulting Numbers: [80] 80,39 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 #0,1,0 Current State: 39:[16, 80], Operations: ['86-70=16', '88-8=80'] Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 16*80=1280, Resulting Numbers: [1280] 1280,39 unequal: No Solution Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 16+80=96, Resulting Numbers: [96] 96,39 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 #0,1,2 Current State: 39:[88, 2], Operations: ['86-70=16', '16/8=2'] Exploring Operation: 88*2=176, Resulting Numbers: [176] 176,39 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,39 unequal: No Solution Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,39 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,39 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 #0,1,3 Current State: 39:[88, 8], Operations: ['86-70=16', '16-8=8'] Exploring Operation: 88/8=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 88+8=96, Resulting Numbers: [96] 96,39 unequal: No Solution Exploring Operation: 88-8=80, Resulting Numbers: [80] 80,39 unequal: No Solution Exploring Operation: 88*8=704, Resulting Numbers: [704] 704,39 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: 39:[70, 86, 11], Operations: ['88/8=11'] Exploring Operation: 86+11=97, Resulting Numbers: [70, 97] Generated Node #0,3,0: 39:[70, 97] Operation: 86+11=97 Exploring Operation: 70+11=81, Resulting Numbers: [86, 81] Generated Node #0,3,1: 39:[86, 81] Operation: 70+11=81 Exploring Operation: 86-11=75, Resulting Numbers: [70, 75] Generated Node #0,3,2: 39:[70, 75] Operation: 86-11=75 Exploring Operation: 70-11=59, Resulting Numbers: [86, 59] Generated Node #0,3,3: 39:[86, 59] Operation: 70-11=59 Exploring Operation: 86-70=16, Resulting Numbers: [11, 16] Generated Node #0,3,4: 39:[11, 16] Operation: 86-70=16 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 39:[11, 16], Operations: ['88/8=11', '86-70=16'] Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,39 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 39:[70, 75], Operations: ['88/8=11', '86-11=75'] Exploring Operation: 75-70=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 70*75=5250, Resulting Numbers: [5250] 5250,39 unequal: No Solution Exploring Operation: 70+75=145, Resulting Numbers: [145] 145,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 39:[86, 59], Operations: ['88/8=11', '70-11=59'] Exploring Operation: 86+59=145, Resulting Numbers: [145] 145,39 unequal: No Solution Exploring Operation: 86-59=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 86*59=5074, Resulting Numbers: [5074] 5074,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 39:[70, 97], Operations: ['88/8=11', '86+11=97'] Exploring Operation: 97-70=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 70+97=167, Resulting Numbers: [167] 167,39 unequal: No Solution Exploring Operation: 70*97=6790, Resulting Numbers: [6790] 6790,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 39:[86, 81], Operations: ['88/8=11', '70+11=81'] Exploring Operation: 86-81=5, Resulting Numbers: [5] 5,39 unequal: No Solution Exploring Operation: 86+81=167, Resulting Numbers: [167] 167,39 unequal: No Solution Exploring Operation: 86*81=6966, Resulting Numbers: [6966] 6966,39 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: 39:[88, 86, 62], Operations: ['70-8=62'] Exploring Operation: 88-86=2, Resulting Numbers: [62, 2] Generated Node #0,0,0: 39:[62, 2] Operation: 88-86=2 Exploring Operation: 88+62=150, Resulting Numbers: [86, 150] Generated Node #0,0,1: 39:[86, 150] Operation: 88+62=150 Exploring Operation: 88-62=26, Resulting Numbers: [86, 26] Generated Node #0,0,2: 39:[86, 26] Operation: 88-62=26 Exploring Operation: 88+86=174, Resulting Numbers: [62, 174] Generated Node #0,0,3: 39:[62, 174] Operation: 88+86=174 Exploring Operation: 86-62=24, Resulting Numbers: [88, 24] Generated Node #0,0,4: 39:[88, 24] Operation: 86-62=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[62, 2], Operations: ['70-8=62', '88-86=2'] Exploring Operation: 62*2=124, Resulting Numbers: [124] 124,39 unequal: No Solution Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,39 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 #0,0,2 Current State: 39:[86, 26], Operations: ['70-8=62', '88-62=26'] Exploring Operation: 86*26=2236, Resulting Numbers: [2236] 2236,39 unequal: No Solution Exploring Operation: 86-26=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 86+26=112, Resulting Numbers: [112] 112,39 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 #0,0,4 Current State: 39:[88, 24], Operations: ['70-8=62', '86-62=24'] Exploring Operation: 88-24=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 88+24=112, Resulting Numbers: [112] 112,39 unequal: No Solution Exploring Operation: 88*24=2112, Resulting Numbers: [2112] 2112,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[86, 150], Operations: ['70-8=62', '88+62=150'] Exploring Operation: 86*150=12900, Resulting Numbers: [12900] 12900,39 unequal: No Solution Exploring Operation: 150-86=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 86+150=236, Resulting Numbers: [236] 236,39 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 #0,0,3 Current State: 39:[62, 174], Operations: ['70-8=62', '88+86=174'] Exploring Operation: 62+174=236, Resulting Numbers: [236] 236,39 unequal: No Solution Exploring Operation: 174-62=112, Resulting Numbers: [112] 112,39 unequal: No Solution Exploring Operation: 62*174=10788, Resulting Numbers: [10788] 10788,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 39:[8, 68], Operations: ['88-70=18', '86-18=68'] Exploring Operation: 8*68=544, Resulting Numbers: [544] 544,39 unequal: No Solution Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 8+68=76, Resulting Numbers: [76] 76,39 unequal: No Solution Moving to Node #0,2,4 Current State: 39:[18, 78], Operations: ['88-70=18', '86-8=78'] Exploring Operation: 18+78=96, Resulting Numbers: [96] 96,39 unequal: No Solution Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,39 unequal: No Solution Exploring Operation: 18*78=1404, Resulting Numbers: [1404] 1404,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[86, 10], Operations: ['88-70=18', '18-8=10'] Exploring Operation: 86*10=860, Resulting Numbers: [860] 860,39 unequal: No Solution Exploring Operation: 86+10=96, Resulting Numbers: [96] 96,39 unequal: No Solution Exploring Operation: 86-10=76, Resulting Numbers: [76] 76,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[86, 26], Operations: ['88-70=18', '8+18=26'] Exploring Operation: 86+26=112, Resulting Numbers: [112] 112,39 unequal: No Solution Exploring Operation: 86*26=2236, Resulting Numbers: [2236] 2236,39 unequal: No Solution Exploring Operation: 86-26=60, Resulting Numbers: [60] 60,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[18, 94], Operations: ['88-70=18', '86+8=94'] Exploring Operation: 18+94=112, Resulting Numbers: [112] 112,39 unequal: No Solution Exploring Operation: 18*94=1692, Resulting Numbers: [1692] 1692,39 unequal: No Solution Exploring Operation: 94-18=76, Resulting Numbers: [76] 76,39 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 28, 38, 38, 25 ]
23
[ "38-28=10", "38-25=13", "10+13=23" ]
Current State: 23:[28, 38, 38, 25], Operations: [] Exploring Operation: 38-28=10, Resulting Numbers: [25, 10] Generated Node #2: [25, 10] from Operation: 38-28=10 Current State: 23:[25, 10], Operations: ['38-28=10'] Exploring Operation: 38-25=13, Resulting Numbers: [10, 13] Generated Node #3: [10, 13] from Operation: 38-25=13 Current State: 23:[10, 13], Operations: ['38-28=10', '38-25=13'] Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[28, 38, 38, 25], Operations: [] Exploring Operation: 38-28=10, Resulting Numbers: [38, 25, 10] Generated Node #0,0: 23:[38, 25, 10] Operation: 38-28=10 Exploring Operation: 38-28=10, Resulting Numbers: [38, 25, 10] Generated Node #0,1: 23:[38, 25, 10] Operation: 38-28=10 Exploring Operation: 38/38=1, Resulting Numbers: [28, 25, 1] Generated Node #0,2: 23:[28, 25, 1] Operation: 38/38=1 Exploring Operation: 38-38=0, Resulting Numbers: [28, 25, 0] Generated Node #0,3: 23:[28, 25, 0] Operation: 38-38=0 Moving to Node #0,2 Current State: 23:[28, 25, 1], Operations: ['38/38=1'] Exploring Operation: 28/1=28, Resulting Numbers: [25, 28] Generated Node #0,2,0: 23:[25, 28] Operation: 28/1=28 Exploring Operation: 25-1=24, Resulting Numbers: [28, 24] Generated Node #0,2,1: 23:[28, 24] Operation: 25-1=24 Exploring Operation: 28*1=28, Resulting Numbers: [25, 28] Generated Node #0,2,2: 23:[25, 28] Operation: 28*1=28 Exploring Operation: 28-1=27, Resulting Numbers: [25, 27] Generated Node #0,2,3: 23:[25, 27] Operation: 28-1=27 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 23:[28, 24], Operations: ['38/38=1', '25-1=24'] Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,23 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 23:[25, 27], Operations: ['38/38=1', '28-1=27'] Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,23 unequal: No Solution Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 23:[25, 28], Operations: ['38/38=1', '28/1=28'] Exploring Operation: 25*28=700, Resulting Numbers: [700] 700,23 unequal: No Solution Exploring Operation: 25+28=53, Resulting Numbers: [53] 53,23 unequal: No Solution Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 23:[25, 28], Operations: ['38/38=1', '28*1=28'] Exploring Operation: 25+28=53, Resulting Numbers: [53] 53,23 unequal: No Solution Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 25*28=700, Resulting Numbers: [700] 700,23 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: 23:[38, 25, 10], Operations: ['38-28=10'] Exploring Operation: 38+10=48, Resulting Numbers: [25, 48] Generated Node #0,1,0: 23:[25, 48] Operation: 38+10=48 Exploring Operation: 25-10=15, Resulting Numbers: [38, 15] Generated Node #0,1,1: 23:[38, 15] Operation: 25-10=15 Exploring Operation: 38-10=28, Resulting Numbers: [25, 28] Generated Node #0,1,2: 23:[25, 28] Operation: 38-10=28 Exploring Operation: 38-25=13, Resulting Numbers: [10, 13] Generated Node #0,1,3: 23:[10, 13] Operation: 38-25=13 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[25, 28], Operations: ['38-28=10', '38-10=28'] Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,23 unequal: No Solution Exploring Operation: 25+28=53, Resulting Numbers: [53] 53,23 unequal: No Solution Exploring Operation: 25*28=700, Resulting Numbers: [700] 700,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[38, 15], Operations: ['38-28=10', '25-10=15'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[28, 38, 38, 25], Operations: [] Exploring Operation: 38-28=10, Resulting Numbers: [38, 25, 10] Generated Node #0,1: 23:[38, 25, 10] Operation: 38-28=10 Moving to Node #0,1 Current State: 23:[38, 25, 10], Operations: ['38-28=10'] Exploring Operation: 25-10=15, Resulting Numbers: [38, 15] Generated Node #0,1,1: 23:[38, 15] Operation: 25-10=15 Moving to Node #0,1,1 Current State: 23:[38, 15], Operations: ['38-28=10', '25-10=15'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 50, 52, 27, 33 ]
66
[ "50*33=1650", "52-27=25", "1650/25=66" ]
Current State: 66:[50, 52, 27, 33], Operations: [] Exploring Operation: 50*33=1650, Resulting Numbers: [52, 27, 1650] Generated Node #2: [52, 27, 1650] from Operation: 50*33=1650 Current State: 66:[52, 27, 1650], Operations: ['50*33=1650'] Exploring Operation: 52-27=25, Resulting Numbers: [1650, 25] Generated Node #3: [1650, 25] from Operation: 52-27=25 Current State: 66:[1650, 25], Operations: ['50*33=1650', '52-27=25'] Exploring Operation: 1650/25=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[50, 52, 27, 33], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [27, 33, 2] Generated Node #0,0: 66:[27, 33, 2] Operation: 52-50=2 Exploring Operation: 50-27=23, Resulting Numbers: [52, 33, 23] Generated Node #0,1: 66:[52, 33, 23] Operation: 50-27=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[27, 33, 2], Operations: ['52-50=2'] Exploring Operation: 27-2=25, Resulting Numbers: [33, 25] Generated Node #0,0,0: 66:[33, 25] Operation: 27-2=25 Exploring Operation: 33-27=6, Resulting Numbers: [2, 6] Generated Node #0,0,1: 66:[2, 6] Operation: 33-27=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 66:[2, 6], Operations: ['52-50=2', '33-27=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[33, 25], Operations: ['52-50=2', '27-2=25'] Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,66 unequal: No Solution Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[52, 33, 23], Operations: ['50-27=23'] Exploring Operation: 52-33=19, Resulting Numbers: [23, 19] Generated Node #0,1,0: 66:[23, 19] Operation: 52-33=19 Exploring Operation: 52-23=29, Resulting Numbers: [33, 29] Generated Node #0,1,1: 66:[33, 29] Operation: 52-23=29 Moving to Node #0,1,0 Current State: 66:[23, 19], Operations: ['50-27=23', '52-33=19'] Exploring Operation: 23+19=42, Resulting Numbers: [42] 42,66 unequal: No Solution Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[33, 29], Operations: ['50-27=23', '52-23=29'] Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 60, 21, 34, 58 ]
63
[ "60-21=39", "58-34=24", "39+24=63" ]
Current State: 63:[60, 21, 34, 58], Operations: [] Exploring Operation: 60-21=39, Resulting Numbers: [34, 58, 39] Generated Node #2: [34, 58, 39] from Operation: 60-21=39 Current State: 63:[34, 58, 39], Operations: ['60-21=39'] Exploring Operation: 58-34=24, Resulting Numbers: [39, 24] Generated Node #3: [39, 24] from Operation: 58-34=24 Current State: 63:[39, 24], Operations: ['60-21=39', '58-34=24'] Exploring Operation: 39+24=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[60, 21, 34, 58], Operations: [] Exploring Operation: 60-34=26, Resulting Numbers: [21, 58, 26] Generated Node #0,0: 63:[21, 58, 26] Operation: 60-34=26 Exploring Operation: 58-34=24, Resulting Numbers: [60, 21, 24] Generated Node #0,1: 63:[60, 21, 24] Operation: 58-34=24 Moving to Node #0,1 Current State: 63:[60, 21, 24], Operations: ['58-34=24'] Exploring Operation: 60-24=36, Resulting Numbers: [21, 36] Generated Node #0,1,0: 63:[21, 36] Operation: 60-24=36 Exploring Operation: 24-21=3, Resulting Numbers: [60, 3] Generated Node #0,1,1: 63:[60, 3] Operation: 24-21=3 Moving to Node #0,0 Current State: 63:[21, 58, 26], Operations: ['60-34=26'] Exploring Operation: 58-26=32, Resulting Numbers: [21, 32] Generated Node #0,0,0: 63:[21, 32] Operation: 58-26=32 Exploring Operation: 26-21=5, Resulting Numbers: [58, 5] Generated Node #0,0,1: 63:[58, 5] Operation: 26-21=5 Moving to Node #0,1,1 Current State: 63:[60, 3], Operations: ['58-34=24', '24-21=3'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[60, 21, 34, 58], Operations: [] Exploring Operation: 58-34=24, Resulting Numbers: [60, 21, 24] Generated Node #0,1: 63:[60, 21, 24] Operation: 58-34=24 Moving to Node #0,1 Current State: 63:[60, 21, 24], Operations: ['58-34=24'] Exploring Operation: 24-21=3, Resulting Numbers: [60, 3] Generated Node #0,1,1: 63:[60, 3] Operation: 24-21=3 Moving to Node #0,1,1 Current State: 63:[60, 3], Operations: ['58-34=24', '24-21=3'] Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 37, 15, 59, 77 ]
84
[ "37+15=52", "59+77=136", "136-52=84" ]
Current State: 84:[37, 15, 59, 77], Operations: [] Exploring Operation: 37+15=52, Resulting Numbers: [59, 77, 52] Generated Node #2: [59, 77, 52] from Operation: 37+15=52 Current State: 84:[59, 77, 52], Operations: ['37+15=52'] Exploring Operation: 59+77=136, Resulting Numbers: [52, 136] Generated Node #3: [52, 136] from Operation: 59+77=136 Current State: 84:[52, 136], Operations: ['37+15=52', '59+77=136'] Exploring Operation: 136-52=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[37, 15, 59, 77], Operations: [] Exploring Operation: 77-59=18, Resulting Numbers: [37, 15, 18] Generated Node #0,0: 84:[37, 15, 18] Operation: 77-59=18 Exploring Operation: 77-37=40, Resulting Numbers: [15, 59, 40] Generated Node #0,1: 84:[15, 59, 40] Operation: 77-37=40 Exploring Operation: 59-15=44, Resulting Numbers: [37, 77, 44] Generated Node #0,2: 84:[37, 77, 44] Operation: 59-15=44 Exploring Operation: 37+59=96, Resulting Numbers: [15, 77, 96] Generated Node #0,3: 84:[15, 77, 96] Operation: 37+59=96 Exploring Operation: 59-37=22, Resulting Numbers: [15, 77, 22] Generated Node #0,4: 84:[15, 77, 22] Operation: 59-37=22 Moving to Node #0,0 Current State: 84:[37, 15, 18], Operations: ['77-59=18'] Exploring Operation: 15+18=33, Resulting Numbers: [37, 33] Generated Node #0,0,0: 84:[37, 33] Operation: 15+18=33 Exploring Operation: 37-18=19, Resulting Numbers: [15, 19] Generated Node #0,0,1: 84:[15, 19] Operation: 37-18=19 Exploring Operation: 37-15=22, Resulting Numbers: [18, 22] Generated Node #0,0,2: 84:[18, 22] Operation: 37-15=22 Exploring Operation: 18-15=3, Resulting Numbers: [37, 3] Generated Node #0,0,3: 84:[37, 3] Operation: 18-15=3 Exploring Operation: 37+15=52, Resulting Numbers: [18, 52] Generated Node #0,0,4: 84:[18, 52] Operation: 37+15=52 Moving to Node #0,4 Current State: 84:[15, 77, 22], Operations: ['59-37=22'] Exploring Operation: 22-15=7, Resulting Numbers: [77, 7] Generated Node #0,4,0: 84:[77, 7] Operation: 22-15=7 Exploring Operation: 77+22=99, Resulting Numbers: [15, 99] Generated Node #0,4,1: 84:[15, 99] Operation: 77+22=99 Exploring Operation: 15+77=92, Resulting Numbers: [22, 92] Generated Node #0,4,2: 84:[22, 92] Operation: 15+77=92 Exploring Operation: 77-22=55, Resulting Numbers: [15, 55] Generated Node #0,4,3: 84:[15, 55] Operation: 77-22=55 Exploring Operation: 15+22=37, Resulting Numbers: [77, 37] Generated Node #0,4,4: 84:[77, 37] Operation: 15+22=37 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 84:[77, 7], Operations: ['59-37=22', '22-15=7'] Exploring Operation: 77-7=70, Resulting Numbers: [70] 70,84 unequal: No Solution Exploring Operation: 77+7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[37, 15, 59, 77], Operations: [] Exploring Operation: 59-37=22, Resulting Numbers: [15, 77, 22] Generated Node #0,4: 84:[15, 77, 22] Operation: 59-37=22 Moving to Node #0,4 Current State: 84:[15, 77, 22], Operations: ['59-37=22'] Exploring Operation: 22-15=7, Resulting Numbers: [77, 7] Generated Node #0,4,0: 84:[77, 7] Operation: 22-15=7 Moving to Node #0,4,0 Current State: 84:[77, 7], Operations: ['59-37=22', '22-15=7'] Exploring Operation: 77+7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 39, 74, 4, 70 ]
37
[ "39-4=35", "74*35=2590", "2590/70=37" ]
Current State: 37:[39, 74, 4, 70], Operations: [] Exploring Operation: 39-4=35, Resulting Numbers: [74, 70, 35] Generated Node #2: [74, 70, 35] from Operation: 39-4=35 Current State: 37:[74, 70, 35], Operations: ['39-4=35'] Exploring Operation: 74*35=2590, Resulting Numbers: [70, 2590] Generated Node #3: [70, 2590] from Operation: 74*35=2590 Current State: 37:[70, 2590], Operations: ['39-4=35', '74*35=2590'] Exploring Operation: 2590/70=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[39, 74, 4, 70], Operations: [] Exploring Operation: 74-39=35, Resulting Numbers: [4, 70, 35] Generated Node #0,0: 37:[4, 70, 35] Operation: 74-39=35 Moving to Node #0,0 Current State: 37:[4, 70, 35], Operations: ['74-39=35'] Exploring Operation: 70-4=66, Resulting Numbers: [35, 66] Generated Node #0,0,0: 37:[35, 66] Operation: 70-4=66 Moving to Node #0,0,0 Current State: 37:[35, 66], Operations: ['74-39=35', '70-4=66'] Exploring Operation: 66-35=31, Resulting Numbers: [31] 31,37 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 85, 14, 30, 23 ]
83
[ "30-23=7", "14/7=2", "85-2=83" ]
Current State: 83:[85, 14, 30, 23], Operations: [] Exploring Operation: 30-23=7, Resulting Numbers: [85, 14, 7] Generated Node #2: [85, 14, 7] from Operation: 30-23=7 Current State: 83:[85, 14, 7], Operations: ['30-23=7'] Exploring Operation: 14/7=2, Resulting Numbers: [85, 2] Generated Node #3: [85, 2] from Operation: 14/7=2 Current State: 83:[85, 2], Operations: ['30-23=7', '14/7=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[85, 14, 30, 23], Operations: [] Exploring Operation: 14+30=44, Resulting Numbers: [85, 23, 44] Generated Node #0,0: 83:[85, 23, 44] Operation: 14+30=44 Moving to Node #0,0 Current State: 83:[85, 23, 44], Operations: ['14+30=44'] Exploring Operation: 23+44=67, Resulting Numbers: [85, 67] Generated Node #0,0,0: 83:[85, 67] Operation: 23+44=67 Moving to Node #0,0,0 Current State: 83:[85, 67], Operations: ['14+30=44', '23+44=67'] Exploring Operation: 85-67=18, Resulting Numbers: [18] 18,83 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 7, 27, 24, 3 ]
84
[ "27-7=20", "3*20=60", "24+60=84" ]
Current State: 84:[7, 27, 24, 3], Operations: [] Exploring Operation: 27-7=20, Resulting Numbers: [24, 3, 20] Generated Node #2: [24, 3, 20] from Operation: 27-7=20 Current State: 84:[24, 3, 20], Operations: ['27-7=20'] Exploring Operation: 3*20=60, Resulting Numbers: [24, 60] Generated Node #3: [24, 60] from Operation: 3*20=60 Current State: 84:[24, 60], Operations: ['27-7=20', '3*20=60'] Exploring Operation: 24+60=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[7, 27, 24, 3], Operations: [] Exploring Operation: 27-24=3, Resulting Numbers: [7, 3, 3] Generated Node #0,0: 84:[7, 3, 3] Operation: 27-24=3 Moving to Node #0,0 Current State: 84:[7, 3, 3], Operations: ['27-24=3'] Exploring Operation: 7*3=21, Resulting Numbers: [3, 21] Generated Node #0,0,0: 84:[3, 21] Operation: 7*3=21 Moving to Node #0,0,0 Current State: 84:[3, 21], Operations: ['27-24=3', '7*3=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,84 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 32, 48, 19, 16 ]
35
[ "32*19=608", "608-48=560", "560/16=35" ]
Current State: 35:[32, 48, 19, 16], Operations: [] Exploring Operation: 32*19=608, Resulting Numbers: [48, 16, 608] Generated Node #2: [48, 16, 608] from Operation: 32*19=608 Current State: 35:[48, 16, 608], Operations: ['32*19=608'] Exploring Operation: 608-48=560, Resulting Numbers: [16, 560] Generated Node #3: [16, 560] from Operation: 608-48=560 Current State: 35:[16, 560], Operations: ['32*19=608', '608-48=560'] Exploring Operation: 560/16=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[32, 48, 19, 16], Operations: [] Exploring Operation: 48/16=3, Resulting Numbers: [32, 19, 3] Generated Node #0,0: 35:[32, 19, 3] Operation: 48/16=3 Exploring Operation: 19+16=35, Resulting Numbers: [32, 48, 35] Generated Node #0,1: 35:[32, 48, 35] Operation: 19+16=35 Moving to Node #0,1 Current State: 35:[32, 48, 35], Operations: ['19+16=35'] Exploring Operation: 48-35=13, Resulting Numbers: [32, 13] Generated Node #0,1,0: 35:[32, 13] Operation: 48-35=13 Exploring Operation: 48-32=16, Resulting Numbers: [35, 16] Generated Node #0,1,1: 35:[35, 16] Operation: 48-32=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[32, 13], Operations: ['19+16=35', '48-35=13'] Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,35 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[35, 16], Operations: ['19+16=35', '48-32=16'] Exploring Operation: 35+16=51, Resulting Numbers: [51] 51,35 unequal: No Solution Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,35 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:[32, 19, 3], Operations: ['48/16=3'] Exploring Operation: 32+3=35, Resulting Numbers: [19, 35] Generated Node #0,0,0: 35:[19, 35] Operation: 32+3=35 Exploring Operation: 32-19=13, Resulting Numbers: [3, 13] Generated Node #0,0,1: 35:[3, 13] Operation: 32-19=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[3, 13], Operations: ['48/16=3', '32-19=13'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,35 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,35 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 #0,0,0 Current State: 35:[19, 35], Operations: ['48/16=3', '32+3=35'] Exploring Operation: 19+35=54, Resulting Numbers: [54] 54,35 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 57, 39, 27, 40 ]
52
[ "57-27=30", "39*40=1560", "1560/30=52" ]
Current State: 52:[57, 39, 27, 40], Operations: [] Exploring Operation: 57-27=30, Resulting Numbers: [39, 40, 30] Generated Node #2: [39, 40, 30] from Operation: 57-27=30 Current State: 52:[39, 40, 30], Operations: ['57-27=30'] Exploring Operation: 39*40=1560, Resulting Numbers: [30, 1560] Generated Node #3: [30, 1560] from Operation: 39*40=1560 Current State: 52:[30, 1560], Operations: ['57-27=30', '39*40=1560'] Exploring Operation: 1560/30=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[57, 39, 27, 40], Operations: [] Exploring Operation: 40-39=1, Resulting Numbers: [57, 27, 1] Generated Node #0,0: 52:[57, 27, 1] Operation: 40-39=1 Moving to Node #0,0 Current State: 52:[57, 27, 1], Operations: ['40-39=1'] Exploring Operation: 57-27=30, Resulting Numbers: [1, 30] Generated Node #0,0,0: 52:[1, 30] Operation: 57-27=30 Moving to Node #0,0,0 Current State: 52:[1, 30], Operations: ['40-39=1', '57-27=30'] Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,52 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 41, 72, 60, 4 ]
57
[ "41+72=113", "60-4=56", "113-56=57" ]
Current State: 57:[41, 72, 60, 4], Operations: [] Exploring Operation: 41+72=113, Resulting Numbers: [60, 4, 113] Generated Node #2: [60, 4, 113] from Operation: 41+72=113 Current State: 57:[60, 4, 113], Operations: ['41+72=113'] Exploring Operation: 60-4=56, Resulting Numbers: [113, 56] Generated Node #3: [113, 56] from Operation: 60-4=56 Current State: 57:[113, 56], Operations: ['41+72=113', '60-4=56'] Exploring Operation: 113-56=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[41, 72, 60, 4], Operations: [] Exploring Operation: 72-41=31, Resulting Numbers: [60, 4, 31] Generated Node #0,0: 57:[60, 4, 31] Operation: 72-41=31 Moving to Node #0,0 Current State: 57:[60, 4, 31], Operations: ['72-41=31'] Exploring Operation: 60-31=29, Resulting Numbers: [4, 29] Generated Node #0,0,0: 57:[4, 29] Operation: 60-31=29 Moving to Node #0,0,0 Current State: 57:[4, 29], Operations: ['72-41=31', '60-31=29'] Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,57 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 83, 16, 34, 70 ]
63
[ "83+16=99", "70-34=36", "99-36=63" ]
Current State: 63:[83, 16, 34, 70], Operations: [] Exploring Operation: 83+16=99, Resulting Numbers: [34, 70, 99] Generated Node #2: [34, 70, 99] from Operation: 83+16=99 Current State: 63:[34, 70, 99], Operations: ['83+16=99'] Exploring Operation: 70-34=36, Resulting Numbers: [99, 36] Generated Node #3: [99, 36] from Operation: 70-34=36 Current State: 63:[99, 36], Operations: ['83+16=99', '70-34=36'] Exploring Operation: 99-36=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[83, 16, 34, 70], Operations: [] Exploring Operation: 83-70=13, Resulting Numbers: [16, 34, 13] Generated Node #0,0: 63:[16, 34, 13] Operation: 83-70=13 Exploring Operation: 16+34=50, Resulting Numbers: [83, 70, 50] Generated Node #0,1: 63:[83, 70, 50] Operation: 16+34=50 Exploring Operation: 83-34=49, Resulting Numbers: [16, 70, 49] Generated Node #0,2: 63:[16, 70, 49] Operation: 83-34=49 Exploring Operation: 34-16=18, Resulting Numbers: [83, 70, 18] Generated Node #0,3: 63:[83, 70, 18] Operation: 34-16=18 Exploring Operation: 83-16=67, Resulting Numbers: [34, 70, 67] Generated Node #0,4: 63:[34, 70, 67] Operation: 83-16=67 Moving to Node #0,0 Current State: 63:[16, 34, 13], Operations: ['83-70=13'] Exploring Operation: 16+13=29, Resulting Numbers: [34, 29] Generated Node #0,0,0: 63:[34, 29] Operation: 16+13=29 Exploring Operation: 16+34=50, Resulting Numbers: [13, 50] Generated Node #0,0,1: 63:[13, 50] Operation: 16+34=50 Exploring Operation: 34-13=21, Resulting Numbers: [16, 21] Generated Node #0,0,2: 63:[16, 21] Operation: 34-13=21 Exploring Operation: 16-13=3, Resulting Numbers: [34, 3] Generated Node #0,0,3: 63:[34, 3] Operation: 16-13=3 Exploring Operation: 34-16=18, Resulting Numbers: [13, 18] Generated Node #0,0,4: 63:[13, 18] Operation: 34-16=18 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 63:[16, 21], Operations: ['83-70=13', '34-13=21'] Exploring Operation: 16*21=336, Resulting Numbers: [336] 336,63 unequal: No Solution Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 63:[13, 18], Operations: ['83-70=13', '34-16=18'] Exploring Operation: 13*18=234, Resulting Numbers: [234] 234,63 unequal: No Solution Exploring Operation: 13+18=31, Resulting Numbers: [31] 31,63 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 63:[34, 3], Operations: ['83-70=13', '16-13=3'] Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,63 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[13, 50], Operations: ['83-70=13', '16+34=50'] Exploring Operation: 13*50=650, Resulting Numbers: [650] 650,63 unequal: No Solution Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,63 unequal: No Solution Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[83, 16, 34, 70], Operations: [] Exploring Operation: 83-70=13, Resulting Numbers: [16, 34, 13] Generated Node #0,0: 63:[16, 34, 13] Operation: 83-70=13 Moving to Node #0,0 Current State: 63:[16, 34, 13], Operations: ['83-70=13'] Exploring Operation: 16+34=50, Resulting Numbers: [13, 50] Generated Node #0,0,1: 63:[13, 50] Operation: 16+34=50 Moving to Node #0,0,1 Current State: 63:[13, 50], Operations: ['83-70=13', '16+34=50'] Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
mult_heuristic
[ 19, 26, 78, 8 ]
14
[ "19-8=11", "78/26=3", "11+3=14" ]
Current State: 14:[19, 26, 78, 8], Operations: [] Exploring Operation: 19-8=11, Resulting Numbers: [26, 78, 11] Generated Node #2: [26, 78, 11] from Operation: 19-8=11 Current State: 14:[26, 78, 11], Operations: ['19-8=11'] Exploring Operation: 78/26=3, Resulting Numbers: [11, 3] Generated Node #3: [11, 3] from Operation: 78/26=3 Current State: 14:[11, 3], Operations: ['19-8=11', '78/26=3'] Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[19, 26, 78, 8], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [19, 8, 3] Generated Node #0,0: 14:[19, 8, 3] Operation: 78/26=3 Exploring Operation: 78-26=52, Resulting Numbers: [19, 8, 52] Generated Node #0,1: 14:[19, 8, 52] Operation: 78-26=52 Exploring Operation: 78-19=59, Resulting Numbers: [26, 8, 59] Generated Node #0,2: 14:[26, 8, 59] Operation: 78-19=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[19, 8, 3], Operations: ['78/26=3'] Exploring Operation: 8-3=5, Resulting Numbers: [19, 5] Generated Node #0,0,0: 14:[19, 5] Operation: 8-3=5 Exploring Operation: 19-3=16, Resulting Numbers: [8, 16] Generated Node #0,0,1: 14:[8, 16] Operation: 19-3=16 Exploring Operation: 19-8=11, Resulting Numbers: [3, 11] Generated Node #0,0,2: 14:[3, 11] Operation: 19-8=11 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 14:[8, 16], Operations: ['78/26=3', '19-3=16'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 8+16=24, Resulting Numbers: [24] 24,14 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,14 unequal: No Solution No 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: 14:[3, 11], Operations: ['78/26=3', '19-8=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,14 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[19, 26, 78, 8], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [19, 8, 3] Generated Node #0,0: 14:[19, 8, 3] Operation: 78/26=3 Moving to Node #0,0 Current State: 14:[19, 8, 3], Operations: ['78/26=3'] Exploring Operation: 19-8=11, Resulting Numbers: [3, 11] Generated Node #0,0,2: 14:[3, 11] Operation: 19-8=11 Moving to Node #0,0,2 Current State: 14:[3, 11], Operations: ['78/26=3', '19-8=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 7, 17, 45, 89 ]
85
[ "45-17=28", "28/7=4", "89-4=85" ]
Current State: 85:[7, 17, 45, 89], Operations: [] Exploring Operation: 45-17=28, Resulting Numbers: [7, 89, 28] Generated Node #2: [7, 89, 28] from Operation: 45-17=28 Current State: 85:[7, 89, 28], Operations: ['45-17=28'] Exploring Operation: 28/7=4, Resulting Numbers: [89, 4] Generated Node #3: [89, 4] from Operation: 28/7=4 Current State: 85:[89, 4], Operations: ['45-17=28', '28/7=4'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[7, 17, 45, 89], Operations: [] Exploring Operation: 45-17=28, Resulting Numbers: [7, 89, 28] Generated Node #0,0: 85:[7, 89, 28] Operation: 45-17=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[7, 89, 28], Operations: ['45-17=28'] Exploring Operation: 28/7=4, Resulting Numbers: [89, 4] Generated Node #0,0,0: 85:[89, 4] Operation: 28/7=4 Moving to Node #0,0,0 Current State: 85:[89, 4], Operations: ['45-17=28', '28/7=4'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[7, 17, 45, 89], Operations: [] Exploring Operation: 45-17=28, Resulting Numbers: [7, 89, 28] Generated Node #0,0: 85:[7, 89, 28] Operation: 45-17=28 Moving to Node #0,0 Current State: 85:[7, 89, 28], Operations: ['45-17=28'] Exploring Operation: 28/7=4, Resulting Numbers: [89, 4] Generated Node #0,0,0: 85:[89, 4] Operation: 28/7=4 Moving to Node #0,0,0 Current State: 85:[89, 4], Operations: ['45-17=28', '28/7=4'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 92, 45, 20, 43 ]
24
[ "92-45=47", "43-20=23", "47-23=24" ]
Current State: 24:[92, 45, 20, 43], Operations: [] Exploring Operation: 92-45=47, Resulting Numbers: [20, 43, 47] Generated Node #2: [20, 43, 47] from Operation: 92-45=47 Current State: 24:[20, 43, 47], Operations: ['92-45=47'] Exploring Operation: 43-20=23, Resulting Numbers: [47, 23] Generated Node #3: [47, 23] from Operation: 43-20=23 Current State: 24:[47, 23], Operations: ['92-45=47', '43-20=23'] Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[92, 45, 20, 43], Operations: [] Exploring Operation: 92-45=47, Resulting Numbers: [20, 43, 47] Generated Node #0,0: 24:[20, 43, 47] Operation: 92-45=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[20, 43, 47], Operations: ['92-45=47'] Exploring Operation: 47-43=4, Resulting Numbers: [20, 4] Generated Node #0,0,0: 24:[20, 4] Operation: 47-43=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[20, 4], Operations: ['92-45=47', '47-43=4'] Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[92, 45, 20, 43], Operations: [] Exploring Operation: 92-45=47, Resulting Numbers: [20, 43, 47] Generated Node #0,0: 24:[20, 43, 47] Operation: 92-45=47 Moving to Node #0,0 Current State: 24:[20, 43, 47], Operations: ['92-45=47'] Exploring Operation: 47-43=4, Resulting Numbers: [20, 4] Generated Node #0,0,0: 24:[20, 4] Operation: 47-43=4 Moving to Node #0,0,0 Current State: 24:[20, 4], Operations: ['92-45=47', '47-43=4'] Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 45, 44, 12, 5 ]
16
[ "45-44=1", "12+5=17", "17-1=16" ]
Current State: 16:[45, 44, 12, 5], Operations: [] Exploring Operation: 45-44=1, Resulting Numbers: [12, 5, 1] Generated Node #2: [12, 5, 1] from Operation: 45-44=1 Current State: 16:[12, 5, 1], Operations: ['45-44=1'] Exploring Operation: 12+5=17, Resulting Numbers: [1, 17] Generated Node #3: [1, 17] from Operation: 12+5=17 Current State: 16:[1, 17], Operations: ['45-44=1', '12+5=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[45, 44, 12, 5], Operations: [] Exploring Operation: 45-44=1, Resulting Numbers: [12, 5, 1] Generated Node #0,0: 16:[12, 5, 1] Operation: 45-44=1 Moving to Node #0,0 Current State: 16:[12, 5, 1], Operations: ['45-44=1'] Exploring Operation: 12+5=17, Resulting Numbers: [1, 17] Generated Node #0,0,0: 16:[1, 17] Operation: 12+5=17 Moving to Node #0,0,0 Current State: 16:[1, 17], Operations: ['45-44=1', '12+5=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[45, 44, 12, 5], Operations: [] Exploring Operation: 45-44=1, Resulting Numbers: [12, 5, 1] Generated Node #0,0: 16:[12, 5, 1] Operation: 45-44=1 Moving to Node #0,0 Current State: 16:[12, 5, 1], Operations: ['45-44=1'] Exploring Operation: 12+5=17, Resulting Numbers: [1, 17] Generated Node #0,0,0: 16:[1, 17] Operation: 12+5=17 Moving to Node #0,0,0 Current State: 16:[1, 17], Operations: ['45-44=1', '12+5=17'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 38, 21, 53, 92 ]
56
[ "38-21=17", "92-53=39", "17+39=56" ]
Current State: 56:[38, 21, 53, 92], Operations: [] Exploring Operation: 38-21=17, Resulting Numbers: [53, 92, 17] Generated Node #2: [53, 92, 17] from Operation: 38-21=17 Current State: 56:[53, 92, 17], Operations: ['38-21=17'] Exploring Operation: 92-53=39, Resulting Numbers: [17, 39] Generated Node #3: [17, 39] from Operation: 92-53=39 Current State: 56:[17, 39], Operations: ['38-21=17', '92-53=39'] Exploring Operation: 17+39=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[38, 21, 53, 92], Operations: [] Exploring Operation: 92-38=54, Resulting Numbers: [21, 53, 54] Generated Node #0,0: 56:[21, 53, 54] Operation: 92-38=54 Exploring Operation: 92-21=71, Resulting Numbers: [38, 53, 71] Generated Node #0,1: 56:[38, 53, 71] Operation: 92-21=71 Moving to Node #0,0 Current State: 56:[21, 53, 54], Operations: ['92-38=54'] Exploring Operation: 54-21=33, Resulting Numbers: [53, 33] Generated Node #0,0,0: 56:[53, 33] Operation: 54-21=33 Exploring Operation: 53-21=32, Resulting Numbers: [54, 32] Generated Node #0,0,1: 56:[54, 32] Operation: 53-21=32 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[54, 32], Operations: ['92-38=54', '53-21=32'] Exploring Operation: 54+32=86, Resulting Numbers: [86] 86,56 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[53, 33], Operations: ['92-38=54', '54-21=33'] Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,56 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,56 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: 56:[38, 53, 71], Operations: ['92-21=71'] Exploring Operation: 71-38=33, Resulting Numbers: [53, 33] Generated Node #0,1,0: 56:[53, 33] Operation: 71-38=33 Exploring Operation: 71-53=18, Resulting Numbers: [38, 18] Generated Node #0,1,1: 56:[38, 18] Operation: 71-53=18 Moving to Node #0,1,0 Current State: 56:[53, 33], Operations: ['92-21=71', '71-38=33'] Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,56 unequal: No Solution Moving to Node #0,1,1 Current State: 56:[38, 18], Operations: ['92-21=71', '71-53=18'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,56 unequal: No Solution Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[38, 21, 53, 92], Operations: [] Exploring Operation: 92-21=71, Resulting Numbers: [38, 53, 71] Generated Node #0,1: 56:[38, 53, 71] Operation: 92-21=71 Moving to Node #0,1 Current State: 56:[38, 53, 71], Operations: ['92-21=71'] Exploring Operation: 71-53=18, Resulting Numbers: [38, 18] Generated Node #0,1,1: 56:[38, 18] Operation: 71-53=18 Moving to Node #0,1,1 Current State: 56:[38, 18], Operations: ['92-21=71', '71-53=18'] Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.984375
hs_2
sum_heuristic
[ 95, 85, 40, 22 ]
18
[ "95-85=10", "40/10=4", "22-4=18" ]
Current State: 18:[95, 85, 40, 22], Operations: [] Exploring Operation: 95-85=10, Resulting Numbers: [40, 22, 10] Generated Node #2: [40, 22, 10] from Operation: 95-85=10 Current State: 18:[40, 22, 10], Operations: ['95-85=10'] Exploring Operation: 40/10=4, Resulting Numbers: [22, 4] Generated Node #3: [22, 4] from Operation: 40/10=4 Current State: 18:[22, 4], Operations: ['95-85=10', '40/10=4'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[95, 85, 40, 22], Operations: [] Exploring Operation: 85-40=45, Resulting Numbers: [95, 22, 45] Generated Node #0,0: 18:[95, 22, 45] Operation: 85-40=45 Exploring Operation: 95-85=10, Resulting Numbers: [40, 22, 10] Generated Node #0,1: 18:[40, 22, 10] Operation: 95-85=10 Exploring Operation: 95-22=73, Resulting Numbers: [85, 40, 73] Generated Node #0,2: 18:[85, 40, 73] Operation: 95-22=73 Exploring Operation: 95-40=55, Resulting Numbers: [85, 22, 55] Generated Node #0,3: 18:[85, 22, 55] Operation: 95-40=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[40, 22, 10], Operations: ['95-85=10'] Exploring Operation: 40-10=30, Resulting Numbers: [22, 30] Generated Node #0,1,0: 18:[22, 30] Operation: 40-10=30 Exploring Operation: 22-10=12, Resulting Numbers: [40, 12] Generated Node #0,1,1: 18:[40, 12] Operation: 22-10=12 Exploring Operation: 40-22=18, Resulting Numbers: [10, 18] Generated Node #0,1,2: 18:[10, 18] Operation: 40-22=18 Exploring Operation: 40/10=4, Resulting Numbers: [22, 4] Generated Node #0,1,3: 18:[22, 4] Operation: 40/10=4 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 18:[10, 18], Operations: ['95-85=10', '40-22=18'] Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,18 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,18 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,18 unequal: No Solution No 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: 18:[22, 4], Operations: ['95-85=10', '40/10=4'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[95, 85, 40, 22], Operations: [] Exploring Operation: 95-85=10, Resulting Numbers: [40, 22, 10] Generated Node #0,1: 18:[40, 22, 10] Operation: 95-85=10 Moving to Node #0,1 Current State: 18:[40, 22, 10], Operations: ['95-85=10'] Exploring Operation: 40/10=4, Resulting Numbers: [22, 4] Generated Node #0,1,3: 18:[22, 4] Operation: 40/10=4 Moving to Node #0,1,3 Current State: 18:[22, 4], Operations: ['95-85=10', '40/10=4'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 38, 9, 84, 57 ]
99
[ "84-38=46", "57-46=11", "9*11=99" ]
Current State: 99:[38, 9, 84, 57], Operations: [] Exploring Operation: 84-38=46, Resulting Numbers: [9, 57, 46] Generated Node #2: [9, 57, 46] from Operation: 84-38=46 Current State: 99:[9, 57, 46], Operations: ['84-38=46'] Exploring Operation: 57-46=11, Resulting Numbers: [9, 11] Generated Node #3: [9, 11] from Operation: 57-46=11 Current State: 99:[9, 11], Operations: ['84-38=46', '57-46=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[38, 9, 84, 57], Operations: [] Exploring Operation: 38+57=95, Resulting Numbers: [9, 84, 95] Generated Node #0,0: 99:[9, 84, 95] Operation: 38+57=95 Exploring Operation: 84-57=27, Resulting Numbers: [38, 9, 27] Generated Node #0,1: 99:[38, 9, 27] Operation: 84-57=27 Moving to Node #0,1 Current State: 99:[38, 9, 27], Operations: ['84-57=27'] Exploring Operation: 27/9=3, Resulting Numbers: [38, 3] Generated Node #0,1,0: 99:[38, 3] Operation: 27/9=3 Exploring Operation: 38-27=11, Resulting Numbers: [9, 11] Generated Node #0,1,1: 99:[9, 11] Operation: 38-27=11 Moving to Node #0,0 Current State: 99:[9, 84, 95], Operations: ['38+57=95'] Exploring Operation: 9+84=93, Resulting Numbers: [95, 93] Generated Node #0,0,0: 99:[95, 93] Operation: 9+84=93 Exploring Operation: 95-84=11, Resulting Numbers: [9, 11] Generated Node #0,0,1: 99:[9, 11] Operation: 95-84=11 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[9, 11], Operations: ['38+57=95', '95-84=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[38, 9, 84, 57], Operations: [] Exploring Operation: 38+57=95, Resulting Numbers: [9, 84, 95] Generated Node #0,0: 99:[9, 84, 95] Operation: 38+57=95 Moving to Node #0,0 Current State: 99:[9, 84, 95], Operations: ['38+57=95'] Exploring Operation: 95-84=11, Resulting Numbers: [9, 11] Generated Node #0,0,1: 99:[9, 11] Operation: 95-84=11 Moving to Node #0,0,1 Current State: 99:[9, 11], Operations: ['38+57=95', '95-84=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 2, 53, 75, 91 ]
71
[ "2+53=55", "91-75=16", "55+16=71" ]
Current State: 71:[2, 53, 75, 91], Operations: [] Exploring Operation: 2+53=55, Resulting Numbers: [75, 91, 55] Generated Node #2: [75, 91, 55] from Operation: 2+53=55 Current State: 71:[75, 91, 55], Operations: ['2+53=55'] Exploring Operation: 91-75=16, Resulting Numbers: [55, 16] Generated Node #3: [55, 16] from Operation: 91-75=16 Current State: 71:[55, 16], Operations: ['2+53=55', '91-75=16'] Exploring Operation: 55+16=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[2, 53, 75, 91], Operations: [] Exploring Operation: 2+53=55, Resulting Numbers: [75, 91, 55] Generated Node #0,0: 71:[75, 91, 55] Operation: 2+53=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[75, 91, 55], Operations: ['2+53=55'] Exploring Operation: 91-55=36, Resulting Numbers: [75, 36] Generated Node #0,0,0: 71:[75, 36] Operation: 91-55=36 Moving to Node #0,0,0 Current State: 71:[75, 36], Operations: ['2+53=55', '91-55=36'] Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,71 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
[ 67, 69, 18, 18 ]
27
[ "69-67=2", "18/2=9", "18+9=27" ]
Current State: 27:[67, 69, 18, 18], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [18, 18, 2] Generated Node #2: [18, 18, 2] from Operation: 69-67=2 Current State: 27:[18, 18, 2], Operations: ['69-67=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,27 equal: Goal Reached Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[67, 69, 18, 18], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [18, 18, 2] Generated Node #0,0: 27:[18, 18, 2] Operation: 69-67=2 Moving to Node #0,0 Current State: 27:[18, 18, 2], Operations: ['69-67=2'] Exploring Operation: 18/18=1, Resulting Numbers: [2, 1] Generated Node #0,0,0: 27:[2, 1] Operation: 18/18=1 Moving to Node #0,0,0 Current State: 27:[2, 1], Operations: ['69-67=2', '18/18=1'] Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,27 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 88, 44, 75, 67 ]
55
[ "75-67=8", "88/8=11", "44+11=55" ]
Current State: 55:[88, 44, 75, 67], Operations: [] Exploring Operation: 75-67=8, Resulting Numbers: [88, 44, 8] Generated Node #2: [88, 44, 8] from Operation: 75-67=8 Current State: 55:[88, 44, 8], Operations: ['75-67=8'] Exploring Operation: 88/8=11, Resulting Numbers: [44, 11] Generated Node #3: [44, 11] from Operation: 88/8=11 Current State: 55:[44, 11], Operations: ['75-67=8', '88/8=11'] Exploring Operation: 44+11=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[88, 44, 75, 67], Operations: [] Exploring Operation: 88-75=13, Resulting Numbers: [44, 67, 13] Generated Node #0,0: 55:[44, 67, 13] Operation: 88-75=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[44, 67, 13], Operations: ['88-75=13'] Exploring Operation: 67-13=54, Resulting Numbers: [44, 54] Generated Node #0,0,0: 55:[44, 54] Operation: 67-13=54 Moving to Node #0,0,0 Current State: 55:[44, 54], Operations: ['88-75=13', '67-13=54'] Exploring Operation: 54-44=10, Resulting Numbers: [10] 10,55 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
[ 72, 43, 15, 88 ]
69
[ "88-43=45", "45/15=3", "72-3=69" ]
Current State: 69:[72, 43, 15, 88], Operations: [] Exploring Operation: 88-43=45, Resulting Numbers: [72, 15, 45] Generated Node #2: [72, 15, 45] from Operation: 88-43=45 Current State: 69:[72, 15, 45], Operations: ['88-43=45'] Exploring Operation: 45/15=3, Resulting Numbers: [72, 3] Generated Node #3: [72, 3] from Operation: 45/15=3 Current State: 69:[72, 3], Operations: ['88-43=45', '45/15=3'] Exploring Operation: 72-3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[72, 43, 15, 88], Operations: [] Exploring Operation: 43-15=28, Resulting Numbers: [72, 88, 28] Generated Node #0,0: 69:[72, 88, 28] Operation: 43-15=28 Exploring Operation: 88-15=73, Resulting Numbers: [72, 43, 73] Generated Node #0,1: 69:[72, 43, 73] Operation: 88-15=73 Exploring Operation: 72-43=29, Resulting Numbers: [15, 88, 29] Generated Node #0,2: 69:[15, 88, 29] Operation: 72-43=29 Moving to Node #0,0 Current State: 69:[72, 88, 28], Operations: ['43-15=28'] Exploring Operation: 72-28=44, Resulting Numbers: [88, 44] Generated Node #0,0,0: 69:[88, 44] Operation: 72-28=44 Exploring Operation: 88-28=60, Resulting Numbers: [72, 60] Generated Node #0,0,1: 69:[72, 60] Operation: 88-28=60 Exploring Operation: 88-72=16, Resulting Numbers: [28, 16] Generated Node #0,0,2: 69:[28, 16] Operation: 88-72=16 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 69:[72, 60], Operations: ['43-15=28', '88-28=60'] Exploring Operation: 72*60=4320, Resulting Numbers: [4320] 4320,69 unequal: No Solution Exploring Operation: 72-60=12, Resulting Numbers: [12] 12,69 unequal: No Solution Exploring Operation: 72+60=132, Resulting Numbers: [132] 132,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 69:[28, 16], Operations: ['43-15=28', '88-72=16'] Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,69 unequal: No Solution Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,69 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[88, 44], Operations: ['43-15=28', '72-28=44'] Exploring Operation: 88+44=132, Resulting Numbers: [132] 132,69 unequal: No Solution Exploring Operation: 88/44=2, Resulting Numbers: [2] 2,69 unequal: No Solution Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 69:[72, 43, 73], Operations: ['88-15=73'] Exploring Operation: 72-43=29, Resulting Numbers: [73, 29] Generated Node #0,1,0: 69:[73, 29] Operation: 72-43=29 Exploring Operation: 73-43=30, Resulting Numbers: [72, 30] Generated Node #0,1,1: 69:[72, 30] Operation: 73-43=30 Exploring Operation: 73-72=1, Resulting Numbers: [43, 1] Generated Node #0,1,2: 69:[43, 1] Operation: 73-72=1 Moving to Node #0,2 Current State: 69:[15, 88, 29], Operations: ['72-43=29'] Exploring Operation: 88-29=59, Resulting Numbers: [15, 59] Generated Node #0,2,0: 69:[15, 59] Operation: 88-29=59 Exploring Operation: 88-15=73, Resulting Numbers: [29, 73] Generated Node #0,2,1: 69:[29, 73] Operation: 88-15=73 Exploring Operation: 29-15=14, Resulting Numbers: [88, 14] Generated Node #0,2,2: 69:[88, 14] Operation: 29-15=14 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 69:[29, 73], Operations: ['72-43=29', '88-15=73'] Exploring Operation: 29*73=2117, Resulting Numbers: [2117] 2117,69 unequal: No Solution Exploring Operation: 73-29=44, Resulting Numbers: [44] 44,69 unequal: No Solution Exploring Operation: 29+73=102, Resulting Numbers: [102] 102,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 69:[15, 59], Operations: ['72-43=29', '88-29=59'] Exploring Operation: 15*59=885, Resulting Numbers: [885] 885,69 unequal: No Solution Exploring Operation: 59-15=44, Resulting Numbers: [44] 44,69 unequal: No Solution Exploring Operation: 15+59=74, Resulting Numbers: [74] 74,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 69:[88, 14], Operations: ['72-43=29', '29-15=14'] Exploring Operation: 88-14=74, Resulting Numbers: [74] 74,69 unequal: No Solution Exploring Operation: 88+14=102, Resulting Numbers: [102] 102,69 unequal: No Solution Exploring Operation: 88*14=1232, Resulting Numbers: [1232] 1232,69 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: 69:[73, 29], Operations: ['88-15=73', '72-43=29'] Exploring Operation: 73*29=2117, Resulting Numbers: [2117] 2117,69 unequal: No Solution Exploring Operation: 73+29=102, Resulting Numbers: [102] 102,69 unequal: No Solution Exploring Operation: 73-29=44, Resulting Numbers: [44] 44,69 unequal: No Solution Moving to Node #0,1,1 Current State: 69:[72, 30], Operations: ['88-15=73', '73-43=30'] Exploring Operation: 72+30=102, Resulting Numbers: [102] 102,69 unequal: No Solution Exploring Operation: 72-30=42, Resulting Numbers: [42] 42,69 unequal: No Solution Exploring Operation: 72*30=2160, Resulting Numbers: [2160] 2160,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[43, 1], Operations: ['88-15=73', '73-72=1'] Exploring Operation: 43/1=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 43*1=43, Resulting Numbers: [43] 43,69 unequal: No Solution Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,69 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 21, 48, 57, 3 ]
59
[ "21+3=24", "48/24=2", "57+2=59" ]
Current State: 59:[21, 48, 57, 3], Operations: [] Exploring Operation: 21+3=24, Resulting Numbers: [48, 57, 24] Generated Node #2: [48, 57, 24] from Operation: 21+3=24 Current State: 59:[48, 57, 24], Operations: ['21+3=24'] Exploring Operation: 48/24=2, Resulting Numbers: [57, 2] Generated Node #3: [57, 2] from Operation: 48/24=2 Current State: 59:[57, 2], Operations: ['21+3=24', '48/24=2'] Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[21, 48, 57, 3], Operations: [] Exploring Operation: 21*3=63, Resulting Numbers: [48, 57, 63] Generated Node #0,0: 59:[48, 57, 63] Operation: 21*3=63 Moving to Node #0,0 Current State: 59:[48, 57, 63], Operations: ['21*3=63'] Exploring Operation: 63-48=15, Resulting Numbers: [57, 15] Generated Node #0,0,0: 59:[57, 15] Operation: 63-48=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[57, 15], Operations: ['21*3=63', '63-48=15'] Exploring Operation: 57+15=72, Resulting Numbers: [72] 72,59 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
[ 69, 35, 44, 2 ]
96
[ "69+35=104", "104/2=52", "44+52=96" ]
Current State: 96:[69, 35, 44, 2], Operations: [] Exploring Operation: 69+35=104, Resulting Numbers: [44, 2, 104] Generated Node #2: [44, 2, 104] from Operation: 69+35=104 Current State: 96:[44, 2, 104], Operations: ['69+35=104'] Exploring Operation: 104/2=52, Resulting Numbers: [44, 52] Generated Node #3: [44, 52] from Operation: 104/2=52 Current State: 96:[44, 52], Operations: ['69+35=104', '104/2=52'] Exploring Operation: 44+52=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[69, 35, 44, 2], Operations: [] Exploring Operation: 69+35=104, Resulting Numbers: [44, 2, 104] Generated Node #0,0: 96:[44, 2, 104] Operation: 69+35=104 Exploring Operation: 69-44=25, Resulting Numbers: [35, 2, 25] Generated Node #0,1: 96:[35, 2, 25] Operation: 69-44=25 Exploring Operation: 69+44=113, Resulting Numbers: [35, 2, 113] Generated Node #0,2: 96:[35, 2, 113] Operation: 69+44=113 Exploring Operation: 69-35=34, Resulting Numbers: [44, 2, 34] Generated Node #0,3: 96:[44, 2, 34] Operation: 69-35=34 Moving to Node #0,1 Current State: 96:[35, 2, 25], Operations: ['69-44=25'] Exploring Operation: 25-2=23, Resulting Numbers: [35, 23] Generated Node #0,1,0: 96:[35, 23] Operation: 25-2=23 Exploring Operation: 35-2=33, Resulting Numbers: [25, 33] Generated Node #0,1,1: 96:[25, 33] Operation: 35-2=33 Exploring Operation: 2*25=50, Resulting Numbers: [35, 50] Generated Node #0,1,2: 96:[35, 50] Operation: 2*25=50 Exploring Operation: 35-25=10, Resulting Numbers: [2, 10] Generated Node #0,1,3: 96:[2, 10] Operation: 35-25=10 Moving to Node #0,3 Current State: 96:[44, 2, 34], Operations: ['69-35=34'] Exploring Operation: 44-34=10, Resulting Numbers: [2, 10] Generated Node #0,3,0: 96:[2, 10] Operation: 44-34=10 Exploring Operation: 44/2=22, Resulting Numbers: [34, 22] Generated Node #0,3,1: 96:[34, 22] Operation: 44/2=22 Exploring Operation: 44+2=46, Resulting Numbers: [34, 46] Generated Node #0,3,2: 96:[34, 46] Operation: 44+2=46 Exploring Operation: 34-2=32, Resulting Numbers: [44, 32] Generated Node #0,3,3: 96:[44, 32] Operation: 34-2=32 Moving to Node #0,0 Current State: 96:[44, 2, 104], Operations: ['69+35=104'] Exploring Operation: 44+2=46, Resulting Numbers: [104, 46] Generated Node #0,0,0: 96:[104, 46] Operation: 44+2=46 Exploring Operation: 44/2=22, Resulting Numbers: [104, 22] Generated Node #0,0,1: 96:[104, 22] Operation: 44/2=22 Exploring Operation: 104/2=52, Resulting Numbers: [44, 52] Generated Node #0,0,2: 96:[44, 52] Operation: 104/2=52 Exploring Operation: 104-2=102, Resulting Numbers: [44, 102] Generated Node #0,0,3: 96:[44, 102] Operation: 104-2=102 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 96:[44, 52], Operations: ['69+35=104', '104/2=52'] Exploring Operation: 44+52=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[69, 35, 44, 2], Operations: [] Exploring Operation: 69+35=104, Resulting Numbers: [44, 2, 104] Generated Node #0,0: 96:[44, 2, 104] Operation: 69+35=104 Moving to Node #0,0 Current State: 96:[44, 2, 104], Operations: ['69+35=104'] Exploring Operation: 104/2=52, Resulting Numbers: [44, 52] Generated Node #0,0,2: 96:[44, 52] Operation: 104/2=52 Moving to Node #0,0,2 Current State: 96:[44, 52], Operations: ['69+35=104', '104/2=52'] Exploring Operation: 44+52=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 63, 42, 16, 3 ]
99
[ "63-16=47", "3*47=141", "141-42=99" ]
Current State: 99:[63, 42, 16, 3], Operations: [] Exploring Operation: 63-16=47, Resulting Numbers: [42, 3, 47] Generated Node #2: [42, 3, 47] from Operation: 63-16=47 Current State: 99:[42, 3, 47], Operations: ['63-16=47'] Exploring Operation: 3*47=141, Resulting Numbers: [42, 141] Generated Node #3: [42, 141] from Operation: 3*47=141 Current State: 99:[42, 141], Operations: ['63-16=47', '3*47=141'] Exploring Operation: 141-42=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[63, 42, 16, 3], Operations: [] Exploring Operation: 63-42=21, Resulting Numbers: [16, 3, 21] Generated Node #0,0: 99:[16, 3, 21] Operation: 63-42=21 Exploring Operation: 63+42=105, Resulting Numbers: [16, 3, 105] Generated Node #0,1: 99:[16, 3, 105] Operation: 63+42=105 Exploring Operation: 63-16=47, Resulting Numbers: [42, 3, 47] Generated Node #0,2: 99:[42, 3, 47] Operation: 63-16=47 Moving to Node #0,1 Current State: 99:[16, 3, 105], Operations: ['63+42=105'] Exploring Operation: 105/3=35, Resulting Numbers: [16, 35] Generated Node #0,1,0: 99:[16, 35] Operation: 105/3=35 Exploring Operation: 16-3=13, Resulting Numbers: [105, 13] Generated Node #0,1,1: 99:[105, 13] Operation: 16-3=13 Exploring Operation: 105-3=102, Resulting Numbers: [16, 102] Generated Node #0,1,2: 99:[16, 102] Operation: 105-3=102 Moving to Node #0,0 Current State: 99:[16, 3, 21], Operations: ['63-42=21'] Exploring Operation: 21-16=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 99:[3, 5] Operation: 21-16=5 Exploring Operation: 21/3=7, Resulting Numbers: [16, 7] Generated Node #0,0,1: 99:[16, 7] Operation: 21/3=7 Exploring Operation: 16+21=37, Resulting Numbers: [3, 37] Generated Node #0,0,2: 99:[3, 37] Operation: 16+21=37 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[3, 5], Operations: ['63-42=21', '21-16=5'] Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,99 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,99 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,99 unequal: No Solution No 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: 99:[3, 37], Operations: ['63-42=21', '16+21=37'] Exploring Operation: 3*37=111, Resulting Numbers: [111] 111,99 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,99 unequal: No Solution Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,99 unequal: No Solution No 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: 99:[16, 7], Operations: ['63-42=21', '21/3=7'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,99 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,99 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,99 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: 99:[42, 3, 47], Operations: ['63-16=47'] Exploring Operation: 42/3=14, Resulting Numbers: [47, 14] Generated Node #0,2,0: 99:[47, 14] Operation: 42/3=14 Exploring Operation: 42+47=89, Resulting Numbers: [3, 89] Generated Node #0,2,1: 99:[3, 89] Operation: 42+47=89 Exploring Operation: 47-42=5, Resulting Numbers: [3, 5] Generated Node #0,2,2: 99:[3, 5] Operation: 47-42=5 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 99:[3, 5], Operations: ['63-16=47', '47-42=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,99 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,99 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,99 unequal: No Solution No 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: 99:[3, 89], Operations: ['63-16=47', '42+47=89'] Exploring Operation: 3*89=267, Resulting Numbers: [267] 267,99 unequal: No Solution Exploring Operation: 3+89=92, Resulting Numbers: [92] 92,99 unequal: No Solution Exploring Operation: 89-3=86, Resulting Numbers: [86] 86,99 unequal: No Solution No 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: 99:[47, 14], Operations: ['63-16=47', '42/3=14'] Exploring Operation: 47-14=33, Resulting Numbers: [33] 33,99 unequal: No Solution Exploring Operation: 47*14=658, Resulting Numbers: [658] 658,99 unequal: No Solution Exploring Operation: 47+14=61, Resulting Numbers: [61] 61,99 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: 99:[16, 35], Operations: ['63+42=105', '105/3=35'] Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 16+35=51, Resulting Numbers: [51] 51,99 unequal: No Solution Exploring Operation: 16*35=560, Resulting Numbers: [560] 560,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[105, 13], Operations: ['63+42=105', '16-3=13'] Exploring Operation: 105-13=92, Resulting Numbers: [92] 92,99 unequal: No Solution Exploring Operation: 105+13=118, Resulting Numbers: [118] 118,99 unequal: No Solution Exploring Operation: 105*13=1365, Resulting Numbers: [1365] 1365,99 unequal: No Solution Moving to Node #0,1,2 Current State: 99:[16, 102], Operations: ['63+42=105', '105-3=102'] Exploring Operation: 16+102=118, Resulting Numbers: [118] 118,99 unequal: No Solution Exploring Operation: 16*102=1632, Resulting Numbers: [1632] 1632,99 unequal: No Solution Exploring Operation: 102-16=86, Resulting Numbers: [86] 86,99 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 68, 42, 47, 31 ]
87
[ "47-42=5", "31*5=155", "155-68=87" ]
Current State: 87:[68, 42, 47, 31], Operations: [] Exploring Operation: 47-42=5, Resulting Numbers: [68, 31, 5] Generated Node #2: [68, 31, 5] from Operation: 47-42=5 Current State: 87:[68, 31, 5], Operations: ['47-42=5'] Exploring Operation: 31*5=155, Resulting Numbers: [68, 155] Generated Node #3: [68, 155] from Operation: 31*5=155 Current State: 87:[68, 155], Operations: ['47-42=5', '31*5=155'] Exploring Operation: 155-68=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[68, 42, 47, 31], Operations: [] Exploring Operation: 68-42=26, Resulting Numbers: [47, 31, 26] Generated Node #0,0: 87:[47, 31, 26] Operation: 68-42=26 Exploring Operation: 42+47=89, Resulting Numbers: [68, 31, 89] Generated Node #0,1: 87:[68, 31, 89] Operation: 42+47=89 Exploring Operation: 68-31=37, Resulting Numbers: [42, 47, 37] Generated Node #0,2: 87:[42, 47, 37] Operation: 68-31=37 Exploring Operation: 68-47=21, Resulting Numbers: [42, 31, 21] Generated Node #0,3: 87:[42, 31, 21] Operation: 68-47=21 Exploring Operation: 47-42=5, Resulting Numbers: [68, 31, 5] Generated Node #0,4: 87:[68, 31, 5] Operation: 47-42=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[47, 31, 26], Operations: ['68-42=26'] Exploring Operation: 47+31=78, Resulting Numbers: [26, 78] Generated Node #0,0,0: 87:[26, 78] Operation: 47+31=78 Exploring Operation: 47+26=73, Resulting Numbers: [31, 73] Generated Node #0,0,1: 87:[31, 73] Operation: 47+26=73 Exploring Operation: 47-31=16, Resulting Numbers: [26, 16] Generated Node #0,0,2: 87:[26, 16] Operation: 47-31=16 Exploring Operation: 47-26=21, Resulting Numbers: [31, 21] Generated Node #0,0,3: 87:[31, 21] Operation: 47-26=21 Exploring Operation: 31-26=5, Resulting Numbers: [47, 5] Generated Node #0,0,4: 87:[47, 5] Operation: 31-26=5 Moving to Node #0,0,3 Current State: 87:[31, 21], Operations: ['68-42=26', '47-26=21'] Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 31*21=651, Resulting Numbers: [651] 651,87 unequal: No Solution Exploring Operation: 31+21=52, Resulting Numbers: [52] 52,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[26, 78], Operations: ['68-42=26', '47+31=78'] Exploring Operation: 26*78=2028, Resulting Numbers: [2028] 2028,87 unequal: No Solution Exploring Operation: 78/26=3, Resulting Numbers: [3] 3,87 unequal: No Solution Exploring Operation: 26+78=104, Resulting Numbers: [104] 104,87 unequal: No Solution Exploring Operation: 78-26=52, Resulting Numbers: [52] 52,87 unequal: No Solution Moving to Node #0,0,1 Current State: 87:[31, 73], Operations: ['68-42=26', '47+26=73'] Exploring Operation: 31*73=2263, Resulting Numbers: [2263] 2263,87 unequal: No Solution Exploring Operation: 31+73=104, Resulting Numbers: [104] 104,87 unequal: No Solution Exploring Operation: 73-31=42, Resulting Numbers: [42] 42,87 unequal: No Solution Moving to Node #0,0,2 Current State: 87:[26, 16], Operations: ['68-42=26', '47-31=16'] Exploring Operation: 26*16=416, Resulting Numbers: [416] 416,87 unequal: No Solution Exploring Operation: 26+16=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 26-16=10, Resulting Numbers: [10] 10,87 unequal: No Solution Moving to Node #0,0,4 Current State: 87:[47, 5], Operations: ['68-42=26', '31-26=5'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 47*5=235, Resulting Numbers: [235] 235,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[68, 31, 89], Operations: ['42+47=89'] Exploring Operation: 68-31=37, Resulting Numbers: [89, 37] Generated Node #0,1,0: 87:[89, 37] Operation: 68-31=37 Exploring Operation: 31+89=120, Resulting Numbers: [68, 120] Generated Node #0,1,1: 87:[68, 120] Operation: 31+89=120 Exploring Operation: 68+31=99, Resulting Numbers: [89, 99] Generated Node #0,1,2: 87:[89, 99] Operation: 68+31=99 Exploring Operation: 89-31=58, Resulting Numbers: [68, 58] Generated Node #0,1,3: 87:[68, 58] Operation: 89-31=58 Exploring Operation: 89-68=21, Resulting Numbers: [31, 21] Generated Node #0,1,4: 87:[31, 21] Operation: 89-68=21 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[89, 37], Operations: ['42+47=89', '68-31=37'] Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 89+37=126, Resulting Numbers: [126] 126,87 unequal: No Solution Exploring Operation: 89*37=3293, Resulting Numbers: [3293] 3293,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 87:[31, 21], Operations: ['42+47=89', '89-68=21'] Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 31*21=651, Resulting Numbers: [651] 651,87 unequal: No Solution Exploring Operation: 31+21=52, Resulting Numbers: [52] 52,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 87:[89, 99], Operations: ['42+47=89', '68+31=99'] Exploring Operation: 89*99=8811, Resulting Numbers: [8811] 8811,87 unequal: No Solution Exploring Operation: 89+99=188, Resulting Numbers: [188] 188,87 unequal: No Solution Exploring Operation: 99-89=10, Resulting Numbers: [10] 10,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 87:[68, 58], Operations: ['42+47=89', '89-31=58'] Exploring Operation: 68-58=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 68*58=3944, Resulting Numbers: [3944] 3944,87 unequal: No Solution Exploring Operation: 68+58=126, Resulting Numbers: [126] 126,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[68, 120], Operations: ['42+47=89', '31+89=120'] Exploring Operation: 68+120=188, Resulting Numbers: [188] 188,87 unequal: No Solution Exploring Operation: 120-68=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 68*120=8160, Resulting Numbers: [8160] 8160,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 87:[42, 31, 21], Operations: ['68-47=21'] Exploring Operation: 42+31=73, Resulting Numbers: [21, 73] Generated Node #0,3,0: 87:[21, 73] Operation: 42+31=73 Exploring Operation: 42/21=2, Resulting Numbers: [31, 2] Generated Node #0,3,1: 87:[31, 2] Operation: 42/21=2 Exploring Operation: 42-31=11, Resulting Numbers: [21, 11] Generated Node #0,3,2: 87:[21, 11] Operation: 42-31=11 Exploring Operation: 31-21=10, Resulting Numbers: [42, 10] Generated Node #0,3,3: 87:[42, 10] Operation: 31-21=10 Exploring Operation: 42-21=21, Resulting Numbers: [31, 21] Generated Node #0,3,4: 87:[31, 21] Operation: 42-21=21 Moving to Node #0,3,1 Current State: 87:[31, 2], Operations: ['68-47=21', '42/21=2'] Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,87 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,87 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,87 unequal: No Solution Moving to Node #0,3,4 Current State: 87:[31, 21], Operations: ['68-47=21', '42-21=21'] Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 31+21=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 31*21=651, Resulting Numbers: [651] 651,87 unequal: No Solution Moving to Node #0,3,2 Current State: 87:[21, 11], Operations: ['68-47=21', '42-31=11'] Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,87 unequal: No Solution Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,87 unequal: No Solution Moving to Node #0,3,3 Current State: 87:[42, 10], Operations: ['68-47=21', '31-21=10'] Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,87 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,87 unequal: No Solution Moving to Node #0,3,0 Current State: 87:[21, 73], Operations: ['68-47=21', '42+31=73'] Exploring Operation: 21*73=1533, Resulting Numbers: [1533] 1533,87 unequal: No Solution Exploring Operation: 73-21=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 21+73=94, Resulting Numbers: [94] 94,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 87:[68, 31, 5], Operations: ['47-42=5'] Exploring Operation: 31-5=26, Resulting Numbers: [68, 26] Generated Node #0,4,0: 87:[68, 26] Operation: 31-5=26 Exploring Operation: 68+5=73, Resulting Numbers: [31, 73] Generated Node #0,4,1: 87:[31, 73] Operation: 68+5=73 Exploring Operation: 68-5=63, Resulting Numbers: [31, 63] Generated Node #0,4,2: 87:[31, 63] Operation: 68-5=63 Exploring Operation: 68+31=99, Resulting Numbers: [5, 99] Generated Node #0,4,3: 87:[5, 99] Operation: 68+31=99 Exploring Operation: 68-31=37, Resulting Numbers: [5, 37] Generated Node #0,4,4: 87:[5, 37] Operation: 68-31=37 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 87:[5, 37], Operations: ['47-42=5', '68-31=37'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 87:[5, 99], Operations: ['47-42=5', '68+31=99'] Exploring Operation: 5+99=104, Resulting Numbers: [104] 104,87 unequal: No Solution Exploring Operation: 5*99=495, Resulting Numbers: [495] 495,87 unequal: No Solution Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 87:[31, 73], Operations: ['47-42=5', '68+5=73'] Exploring Operation: 31+73=104, Resulting Numbers: [104] 104,87 unequal: No Solution Exploring Operation: 73-31=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 31*73=2263, Resulting Numbers: [2263] 2263,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 87:[68, 26], Operations: ['47-42=5', '31-5=26'] Exploring Operation: 68+26=94, Resulting Numbers: [94] 94,87 unequal: No Solution Exploring Operation: 68*26=1768, Resulting Numbers: [1768] 1768,87 unequal: No Solution Exploring Operation: 68-26=42, Resulting Numbers: [42] 42,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 87:[31, 63], Operations: ['47-42=5', '68-5=63'] Exploring Operation: 63-31=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 31+63=94, Resulting Numbers: [94] 94,87 unequal: No Solution Exploring Operation: 31*63=1953, Resulting Numbers: [1953] 1953,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 87:[42, 47, 37], Operations: ['68-31=37'] Exploring Operation: 42-37=5, Resulting Numbers: [47, 5] Generated Node #0,2,0: 87:[47, 5] Operation: 42-37=5 Exploring Operation: 42+47=89, Resulting Numbers: [37, 89] Generated Node #0,2,1: 87:[37, 89] Operation: 42+47=89 Exploring Operation: 47+37=84, Resulting Numbers: [42, 84] Generated Node #0,2,2: 87:[42, 84] Operation: 47+37=84 Exploring Operation: 47-37=10, Resulting Numbers: [42, 10] Generated Node #0,2,3: 87:[42, 10] Operation: 47-37=10 Exploring Operation: 47-42=5, Resulting Numbers: [37, 5] Generated Node #0,2,4: 87:[37, 5] Operation: 47-42=5 Moving to Node #0,2,1 Current State: 87:[37, 89], Operations: ['68-31=37', '42+47=89'] Exploring Operation: 37*89=3293, Resulting Numbers: [3293] 3293,87 unequal: No Solution Exploring Operation: 37+89=126, Resulting Numbers: [126] 126,87 unequal: No Solution Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,87 unequal: No Solution Moving to Node #0,2,4 Current State: 87:[37, 5], Operations: ['68-31=37', '47-42=5'] Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,87 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,87 unequal: No Solution Moving to Node #0,2,2 Current State: 87:[42, 84], Operations: ['68-31=37', '47+37=84'] Exploring Operation: 42+84=126, Resulting Numbers: [126] 126,87 unequal: No Solution Exploring Operation: 84-42=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 42*84=3528, Resulting Numbers: [3528] 3528,87 unequal: No Solution Exploring Operation: 84/42=2, Resulting Numbers: [2] 2,87 unequal: No Solution Moving to Node #0,2,0 Current State: 87:[47, 5], Operations: ['68-31=37', '42-37=5'] Exploring Operation: 47*5=235, Resulting Numbers: [235] 235,87 unequal: No Solution Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,87 unequal: No Solution Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,87 unequal: No Solution Moving to Node #0,2,3 Current State: 87:[42, 10], Operations: ['68-31=37', '47-37=10'] Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,87 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,87 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
[ 67, 68, 82, 70 ]
50
[ "70-67=3", "68+82=150", "150/3=50" ]
Current State: 50:[67, 68, 82, 70], Operations: [] Exploring Operation: 70-67=3, Resulting Numbers: [68, 82, 3] Generated Node #2: [68, 82, 3] from Operation: 70-67=3 Current State: 50:[68, 82, 3], Operations: ['70-67=3'] Exploring Operation: 68+82=150, Resulting Numbers: [3, 150] Generated Node #3: [3, 150] from Operation: 68+82=150 Current State: 50:[3, 150], Operations: ['70-67=3', '68+82=150'] Exploring Operation: 150/3=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[67, 68, 82, 70], Operations: [] Exploring Operation: 82-67=15, Resulting Numbers: [68, 70, 15] Generated Node #0,0: 50:[68, 70, 15] Operation: 82-67=15 Exploring Operation: 82-68=14, Resulting Numbers: [67, 70, 14] Generated Node #0,1: 50:[67, 70, 14] Operation: 82-68=14 Exploring Operation: 82-70=12, Resulting Numbers: [67, 68, 12] Generated Node #0,2: 50:[67, 68, 12] Operation: 82-70=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 50:[67, 68, 12], Operations: ['82-70=12'] Exploring Operation: 68-12=56, Resulting Numbers: [67, 56] Generated Node #0,2,0: 50:[67, 56] Operation: 68-12=56 Exploring Operation: 68-67=1, Resulting Numbers: [12, 1] Generated Node #0,2,1: 50:[12, 1] Operation: 68-67=1 Exploring Operation: 67-12=55, Resulting Numbers: [68, 55] Generated Node #0,2,2: 50:[68, 55] Operation: 67-12=55 Moving to Node #0,2,1 Current State: 50:[12, 1], Operations: ['82-70=12', '68-67=1'] Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,50 unequal: No Solution Moving to Node #0,2,0 Current State: 50:[67, 56], Operations: ['82-70=12', '68-12=56'] Exploring Operation: 67-56=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 67*56=3752, Resulting Numbers: [3752] 3752,50 unequal: No Solution Exploring Operation: 67+56=123, Resulting Numbers: [123] 123,50 unequal: No Solution Moving to Node #0,2,2 Current State: 50:[68, 55], Operations: ['82-70=12', '67-12=55'] Exploring Operation: 68+55=123, Resulting Numbers: [123] 123,50 unequal: No Solution Exploring Operation: 68-55=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 68*55=3740, Resulting Numbers: [3740] 3740,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[67, 70, 14], Operations: ['82-68=14'] Exploring Operation: 70/14=5, Resulting Numbers: [67, 5] Generated Node #0,1,0: 50:[67, 5] Operation: 70/14=5 Exploring Operation: 70-67=3, Resulting Numbers: [14, 3] Generated Node #0,1,1: 50:[14, 3] Operation: 70-67=3 Exploring Operation: 67-14=53, Resulting Numbers: [70, 53] Generated Node #0,1,2: 50:[70, 53] Operation: 67-14=53 Moving to Node #0,1,1 Current State: 50:[14, 3], Operations: ['82-68=14', '70-67=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,50 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[67, 5], Operations: ['82-68=14', '70/14=5'] Exploring Operation: 67+5=72, Resulting Numbers: [72] 72,50 unequal: No Solution Exploring Operation: 67-5=62, Resulting Numbers: [62] 62,50 unequal: No Solution Exploring Operation: 67*5=335, Resulting Numbers: [335] 335,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[70, 53], Operations: ['82-68=14', '67-14=53'] Exploring Operation: 70*53=3710, Resulting Numbers: [3710] 3710,50 unequal: No Solution Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 70+53=123, Resulting Numbers: [123] 123,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[68, 70, 15], Operations: ['82-67=15'] Exploring Operation: 68-15=53, Resulting Numbers: [70, 53] Generated Node #0,0,0: 50:[70, 53] Operation: 68-15=53 Exploring Operation: 70-15=55, Resulting Numbers: [68, 55] Generated Node #0,0,1: 50:[68, 55] Operation: 70-15=55 Exploring Operation: 70-68=2, Resulting Numbers: [15, 2] Generated Node #0,0,2: 50:[15, 2] Operation: 70-68=2 Moving to Node #0,0,2 Current State: 50:[15, 2], Operations: ['82-67=15', '70-68=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[70, 53], Operations: ['82-67=15', '68-15=53'] Exploring Operation: 70*53=3710, Resulting Numbers: [3710] 3710,50 unequal: No Solution Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 70+53=123, Resulting Numbers: [123] 123,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[68, 55], Operations: ['82-67=15', '70-15=55'] Exploring Operation: 68+55=123, Resulting Numbers: [123] 123,50 unequal: No Solution Exploring Operation: 68-55=13, Resulting Numbers: [13] 13,50 unequal: No Solution Exploring Operation: 68*55=3740, Resulting Numbers: [3740] 3740,50 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
[ 37, 91, 30, 4 ]
80
[ "91-37=54", "30-4=26", "54+26=80" ]
Current State: 80:[37, 91, 30, 4], Operations: [] Exploring Operation: 91-37=54, Resulting Numbers: [30, 4, 54] Generated Node #2: [30, 4, 54] from Operation: 91-37=54 Current State: 80:[30, 4, 54], Operations: ['91-37=54'] Exploring Operation: 30-4=26, Resulting Numbers: [54, 26] Generated Node #3: [54, 26] from Operation: 30-4=26 Current State: 80:[54, 26], Operations: ['91-37=54', '30-4=26'] Exploring Operation: 54+26=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[37, 91, 30, 4], Operations: [] Exploring Operation: 30-4=26, Resulting Numbers: [37, 91, 26] Generated Node #0,0: 80:[37, 91, 26] Operation: 30-4=26 Exploring Operation: 37-30=7, Resulting Numbers: [91, 4, 7] Generated Node #0,1: 80:[91, 4, 7] Operation: 37-30=7 Exploring Operation: 30+4=34, Resulting Numbers: [37, 91, 34] Generated Node #0,2: 80:[37, 91, 34] Operation: 30+4=34 Exploring Operation: 91-4=87, Resulting Numbers: [37, 30, 87] Generated Node #0,3: 80:[37, 30, 87] Operation: 91-4=87 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[91, 4, 7], Operations: ['37-30=7'] Exploring Operation: 91/7=13, Resulting Numbers: [4, 13] Generated Node #0,1,0: 80:[4, 13] Operation: 91/7=13 Exploring Operation: 91-7=84, Resulting Numbers: [4, 84] Generated Node #0,1,1: 80:[4, 84] Operation: 91-7=84 Exploring Operation: 91-4=87, Resulting Numbers: [7, 87] Generated Node #0,1,2: 80:[7, 87] Operation: 91-4=87 Exploring Operation: 4+7=11, Resulting Numbers: [91, 11] Generated Node #0,1,3: 80:[91, 11] Operation: 4+7=11 Moving to Node #0,1,0 Current State: 80:[4, 13], Operations: ['37-30=7', '91/7=13'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,80 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[4, 84], Operations: ['37-30=7', '91-7=84'] Exploring Operation: 4*84=336, Resulting Numbers: [336] 336,80 unequal: No Solution Exploring Operation: 4+84=88, Resulting Numbers: [88] 88,80 unequal: No Solution Exploring Operation: 84/4=21, Resulting Numbers: [21] 21,80 unequal: No Solution Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[37, 91, 30, 4], Operations: [] Exploring Operation: 37-30=7, Resulting Numbers: [91, 4, 7] Generated Node #0,1: 80:[91, 4, 7] Operation: 37-30=7 Moving to Node #0,1 Current State: 80:[91, 4, 7], Operations: ['37-30=7'] Exploring Operation: 91-7=84, Resulting Numbers: [4, 84] Generated Node #0,1,1: 80:[4, 84] Operation: 91-7=84 Moving to Node #0,1,1 Current State: 80:[4, 84], Operations: ['37-30=7', '91-7=84'] Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 46, 62, 97, 31 ]
53
[ "97-46=51", "62/31=2", "51+2=53" ]
Current State: 53:[46, 62, 97, 31], Operations: [] Exploring Operation: 97-46=51, Resulting Numbers: [62, 31, 51] Generated Node #2: [62, 31, 51] from Operation: 97-46=51 Current State: 53:[62, 31, 51], Operations: ['97-46=51'] Exploring Operation: 62/31=2, Resulting Numbers: [51, 2] Generated Node #3: [51, 2] from Operation: 62/31=2 Current State: 53:[51, 2], Operations: ['97-46=51', '62/31=2'] Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[46, 62, 97, 31], Operations: [] Exploring Operation: 97-46=51, Resulting Numbers: [62, 31, 51] Generated Node #0,0: 53:[62, 31, 51] Operation: 97-46=51 Exploring Operation: 62-31=31, Resulting Numbers: [46, 97, 31] Generated Node #0,1: 53:[46, 97, 31] Operation: 62-31=31 Exploring Operation: 97-62=35, Resulting Numbers: [46, 31, 35] Generated Node #0,2: 53:[46, 31, 35] Operation: 97-62=35 Exploring Operation: 46+31=77, Resulting Numbers: [62, 97, 77] Generated Node #0,3: 53:[62, 97, 77] Operation: 46+31=77 Exploring Operation: 97-31=66, Resulting Numbers: [46, 62, 66] Generated Node #0,4: 53:[46, 62, 66] Operation: 97-31=66 Moving to Node #0,4 Current State: 53:[46, 62, 66], Operations: ['97-31=66'] Exploring Operation: 66-46=20, Resulting Numbers: [62, 20] Generated Node #0,4,0: 53:[62, 20] Operation: 66-46=20 Exploring Operation: 62-46=16, Resulting Numbers: [66, 16] Generated Node #0,4,1: 53:[66, 16] Operation: 62-46=16 Exploring Operation: 46+66=112, Resulting Numbers: [62, 112] Generated Node #0,4,2: 53:[62, 112] Operation: 46+66=112 Exploring Operation: 66-62=4, Resulting Numbers: [46, 4] Generated Node #0,4,3: 53:[46, 4] Operation: 66-62=4 Exploring Operation: 46+62=108, Resulting Numbers: [66, 108] Generated Node #0,4,4: 53:[66, 108] Operation: 46+62=108 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 53:[62, 20], Operations: ['97-31=66', '66-46=20'] Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,53 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 53:[66, 16], Operations: ['97-31=66', '62-46=16'] Exploring Operation: 66-16=50, Resulting Numbers: [50] 50,53 unequal: No Solution Exploring Operation: 66+16=82, Resulting Numbers: [82] 82,53 unequal: No Solution Exploring Operation: 66*16=1056, Resulting Numbers: [1056] 1056,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 53:[46, 4], Operations: ['97-31=66', '66-62=4'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 46*4=184, Resulting Numbers: [184] 184,53 unequal: No Solution Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 53:[62, 112], Operations: ['97-31=66', '46+66=112'] Exploring Operation: 62+112=174, Resulting Numbers: [174] 174,53 unequal: No Solution Exploring Operation: 112-62=50, Resulting Numbers: [50] 50,53 unequal: No Solution Exploring Operation: 62*112=6944, Resulting Numbers: [6944] 6944,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 53:[66, 108], Operations: ['97-31=66', '46+62=108'] Exploring Operation: 66+108=174, Resulting Numbers: [174] 174,53 unequal: No Solution Exploring Operation: 108-66=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 66*108=7128, Resulting Numbers: [7128] 7128,53 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: 53:[62, 31, 51], Operations: ['97-46=51'] Exploring Operation: 62-31=31, Resulting Numbers: [51, 31] Generated Node #0,0,0: 53:[51, 31] Operation: 62-31=31 Exploring Operation: 62/31=2, Resulting Numbers: [51, 2] Generated Node #0,0,1: 53:[51, 2] Operation: 62/31=2 Exploring Operation: 31+51=82, Resulting Numbers: [62, 82] Generated Node #0,0,2: 53:[62, 82] Operation: 31+51=82 Exploring Operation: 62+31=93, Resulting Numbers: [51, 93] Generated Node #0,0,3: 53:[51, 93] Operation: 62+31=93 Exploring Operation: 51-31=20, Resulting Numbers: [62, 20] Generated Node #0,0,4: 53:[62, 20] Operation: 51-31=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[51, 31], Operations: ['97-46=51', '62-31=31'] Exploring Operation: 51*31=1581, Resulting Numbers: [1581] 1581,53 unequal: No Solution Exploring Operation: 51-31=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 51+31=82, Resulting Numbers: [82] 82,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 53:[62, 82], Operations: ['97-46=51', '31+51=82'] Exploring Operation: 62*82=5084, Resulting Numbers: [5084] 5084,53 unequal: No Solution Exploring Operation: 82-62=20, Resulting Numbers: [20] 20,53 unequal: No Solution Exploring Operation: 62+82=144, Resulting Numbers: [144] 144,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 53:[51, 93], Operations: ['97-46=51', '62+31=93'] Exploring Operation: 93-51=42, Resulting Numbers: [42] 42,53 unequal: No Solution Exploring Operation: 51+93=144, Resulting Numbers: [144] 144,53 unequal: No Solution Exploring Operation: 51*93=4743, Resulting Numbers: [4743] 4743,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 53:[62, 20], Operations: ['97-46=51', '51-31=20'] Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,53 unequal: No Solution Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,53 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[51, 2], Operations: ['97-46=51', '62/31=2'] Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,53 unequal: No Solution Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[46, 62, 97, 31], Operations: [] Exploring Operation: 97-46=51, Resulting Numbers: [62, 31, 51] Generated Node #0,0: 53:[62, 31, 51] Operation: 97-46=51 Moving to Node #0,0 Current State: 53:[62, 31, 51], Operations: ['97-46=51'] Exploring Operation: 62/31=2, Resulting Numbers: [51, 2] Generated Node #0,0,1: 53:[51, 2] Operation: 62/31=2 Moving to Node #0,0,1 Current State: 53:[51, 2], Operations: ['97-46=51', '62/31=2'] Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.958333
hs_5
mult_heuristic
[ 87, 2, 8, 10 ]
51
[ "8+10=18", "2*18=36", "87-36=51" ]
Current State: 51:[87, 2, 8, 10], Operations: [] Exploring Operation: 8+10=18, Resulting Numbers: [87, 2, 18] Generated Node #2: [87, 2, 18] from Operation: 8+10=18 Current State: 51:[87, 2, 18], Operations: ['8+10=18'] Exploring Operation: 2*18=36, Resulting Numbers: [87, 36] Generated Node #3: [87, 36] from Operation: 2*18=36 Current State: 51:[87, 36], Operations: ['8+10=18', '2*18=36'] Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[87, 2, 8, 10], Operations: [] Exploring Operation: 87-8=79, Resulting Numbers: [2, 10, 79] Generated Node #0,0: 51:[2, 10, 79] Operation: 87-8=79 Exploring Operation: 8+10=18, Resulting Numbers: [87, 2, 18] Generated Node #0,1: 51:[87, 2, 18] Operation: 8+10=18 Exploring Operation: 87-10=77, Resulting Numbers: [2, 8, 77] Generated Node #0,2: 51:[2, 8, 77] Operation: 87-10=77 Moving to Node #0,2 Current State: 51:[2, 8, 77], Operations: ['87-10=77'] Exploring Operation: 77-8=69, Resulting Numbers: [2, 69] Generated Node #0,2,0: 51:[2, 69] Operation: 77-8=69 Exploring Operation: 8/2=4, Resulting Numbers: [77, 4] Generated Node #0,2,1: 51:[77, 4] Operation: 8/2=4 Exploring Operation: 2*8=16, Resulting Numbers: [77, 16] Generated Node #0,2,2: 51:[77, 16] Operation: 2*8=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 51:[2, 69], Operations: ['87-10=77', '77-8=69'] Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,51 unequal: No Solution Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 51:[77, 4], Operations: ['87-10=77', '8/2=4'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,51 unequal: No Solution Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,51 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 51:[77, 16], Operations: ['87-10=77', '2*8=16'] Exploring Operation: 77*16=1232, Resulting Numbers: [1232] 1232,51 unequal: No Solution Exploring Operation: 77+16=93, Resulting Numbers: [93] 93,51 unequal: No Solution Exploring Operation: 77-16=61, Resulting Numbers: [61] 61,51 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: 51:[2, 10, 79], Operations: ['87-8=79'] Exploring Operation: 10/2=5, Resulting Numbers: [79, 5] Generated Node #0,0,0: 51:[79, 5] Operation: 10/2=5 Exploring Operation: 2*10=20, Resulting Numbers: [79, 20] Generated Node #0,0,1: 51:[79, 20] Operation: 2*10=20 Exploring Operation: 79-10=69, Resulting Numbers: [2, 69] Generated Node #0,0,2: 51:[2, 69] Operation: 79-10=69 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 51:[2, 69], Operations: ['87-8=79', '79-10=69'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,51 unequal: No Solution Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,51 unequal: No Solution Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[79, 5], Operations: ['87-8=79', '10/2=5'] Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,51 unequal: No Solution Exploring Operation: 79+5=84, Resulting Numbers: [84] 84,51 unequal: No Solution Exploring Operation: 79*5=395, Resulting Numbers: [395] 395,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[79, 20], Operations: ['87-8=79', '2*10=20'] Exploring Operation: 79*20=1580, Resulting Numbers: [1580] 1580,51 unequal: No Solution Exploring Operation: 79+20=99, Resulting Numbers: [99] 99,51 unequal: No Solution Exploring Operation: 79-20=59, Resulting Numbers: [59] 59,51 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: 51:[87, 2, 18], Operations: ['8+10=18'] Exploring Operation: 87-18=69, Resulting Numbers: [2, 69] Generated Node #0,1,0: 51:[2, 69] Operation: 87-18=69 Exploring Operation: 87-2=85, Resulting Numbers: [18, 85] Generated Node #0,1,1: 51:[18, 85] Operation: 87-2=85 Exploring Operation: 18-2=16, Resulting Numbers: [87, 16] Generated Node #0,1,2: 51:[87, 16] Operation: 18-2=16 Moving to Node #0,1,0 Current State: 51:[2, 69], Operations: ['8+10=18', '87-18=69'] Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,51 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[18, 85], Operations: ['8+10=18', '87-2=85'] Exploring Operation: 85-18=67, Resulting Numbers: [67] 67,51 unequal: No Solution Exploring Operation: 18+85=103, Resulting Numbers: [103] 103,51 unequal: No Solution Exploring Operation: 18*85=1530, Resulting Numbers: [1530] 1530,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[87, 16], Operations: ['8+10=18', '18-2=16'] Exploring Operation: 87+16=103, Resulting Numbers: [103] 103,51 unequal: No Solution Exploring Operation: 87-16=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 87*16=1392, Resulting Numbers: [1392] 1392,51 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 40, 30, 86, 10 ]
86
[ "40-30=10", "86+10=96", "96-10=86" ]
Current State: 86:[40, 30, 86, 10], Operations: [] Exploring Operation: 40-30=10, Resulting Numbers: [86, 10, 10] Generated Node #2: [86, 10, 10] from Operation: 40-30=10 Current State: 86:[86, 10, 10], Operations: ['40-30=10'] Exploring Operation: 86+10=96, Resulting Numbers: [96] 96,86 equal: Goal Reached Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[40, 30, 86, 10], Operations: [] Exploring Operation: 30+10=40, Resulting Numbers: [40, 86, 40] Generated Node #0,0: 86:[40, 86, 40] Operation: 30+10=40 Exploring Operation: 40-30=10, Resulting Numbers: [86, 10, 10] Generated Node #0,1: 86:[86, 10, 10] Operation: 40-30=10 Exploring Operation: 40/10=4, Resulting Numbers: [30, 86, 4] Generated Node #0,2: 86:[30, 86, 4] Operation: 40/10=4 Exploring Operation: 30/10=3, Resulting Numbers: [40, 86, 3] Generated Node #0,3: 86:[40, 86, 3] Operation: 30/10=3 Start Sub Search at level 1: Moving to Node #0,3 Current State: 86:[40, 86, 3], Operations: ['30/10=3'] Exploring Operation: 40-3=37, Resulting Numbers: [86, 37] Generated Node #0,3,0: 86:[86, 37] Operation: 40-3=37 Exploring Operation: 86+3=89, Resulting Numbers: [40, 89] Generated Node #0,3,1: 86:[40, 89] Operation: 86+3=89 Exploring Operation: 40+3=43, Resulting Numbers: [86, 43] Generated Node #0,3,2: 86:[86, 43] Operation: 40+3=43 Exploring Operation: 86-40=46, Resulting Numbers: [3, 46] Generated Node #0,3,3: 86:[3, 46] Operation: 86-40=46 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 86:[86, 43], Operations: ['30/10=3', '40+3=43'] Exploring Operation: 86*43=3698, Resulting Numbers: [3698] 3698,86 unequal: No Solution Exploring Operation: 86+43=129, Resulting Numbers: [129] 129,86 unequal: No Solution Exploring Operation: 86-43=43, Resulting Numbers: [43] 43,86 unequal: No Solution Exploring Operation: 86/43=2, Resulting Numbers: [2] 2,86 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 #0,3,3 Current State: 86:[3, 46], Operations: ['30/10=3', '86-40=46'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,86 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,86 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 #0,3,0 Current State: 86:[86, 37], Operations: ['30/10=3', '40-3=37'] Exploring Operation: 86+37=123, Resulting Numbers: [123] 123,86 unequal: No Solution Exploring Operation: 86*37=3182, Resulting Numbers: [3182] 3182,86 unequal: No Solution Exploring Operation: 86-37=49, Resulting Numbers: [49] 49,86 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 #0,3,1 Current State: 86:[40, 89], Operations: ['30/10=3', '86+3=89'] Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,86 unequal: No Solution Exploring Operation: 40*89=3560, Resulting Numbers: [3560] 3560,86 unequal: No Solution Exploring Operation: 40+89=129, Resulting Numbers: [129] 129,86 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 #0,0 Current State: 86:[40, 86, 40], Operations: ['30+10=40'] Exploring Operation: 40+40=80, Resulting Numbers: [86, 80] Generated Node #0,0,0: 86:[86, 80] Operation: 40+40=80 Exploring Operation: 40/40=1, Resulting Numbers: [86, 1] Generated Node #0,0,1: 86:[86, 1] Operation: 40/40=1 Exploring Operation: 40-40=0, Resulting Numbers: [86, 0] Generated Node #0,0,2: 86:[86, 0] Operation: 40-40=0 Exploring Operation: 86-40=46, Resulting Numbers: [40, 46] Generated Node #0,0,3: 86:[40, 46] Operation: 86-40=46 Moving to Node #0,0,1 Current State: 86:[86, 1], Operations: ['30+10=40', '40/40=1'] Exploring Operation: 86/1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[40, 30, 86, 10], Operations: [] Exploring Operation: 30+10=40, Resulting Numbers: [40, 86, 40] Generated Node #0,0: 86:[40, 86, 40] Operation: 30+10=40 Moving to Node #0,0 Current State: 86:[40, 86, 40], Operations: ['30+10=40'] Exploring Operation: 40/40=1, Resulting Numbers: [86, 1] Generated Node #0,0,1: 86:[86, 1] Operation: 40/40=1 Moving to Node #0,0,1 Current State: 86:[86, 1], Operations: ['30+10=40', '40/40=1'] Exploring Operation: 86/1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
sum_heuristic
[ 43, 1, 77, 43 ]
77
[ "43+1=44", "44-43=1", "77*1=77" ]
Current State: 77:[43, 1, 77, 43], Operations: [] Exploring Operation: 43+1=44, Resulting Numbers: [77, 44] Generated Node #2: [77, 44] from Operation: 43+1=44 Current State: 77:[77, 44], Operations: ['43+1=44'] Exploring Operation: 44-43=1, Resulting Numbers: [77, 1] Generated Node #3: [77, 1] from Operation: 44-43=1 Current State: 77:[77, 1], Operations: ['43+1=44', '44-43=1'] Exploring Operation: 77*1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[43, 1, 77, 43], Operations: [] Exploring Operation: 77-43=34, Resulting Numbers: [1, 43, 34] Generated Node #0,0: 77:[1, 43, 34] Operation: 77-43=34 Exploring Operation: 43-43=0, Resulting Numbers: [1, 77, 0] Generated Node #0,1: 77:[1, 77, 0] Operation: 43-43=0 Exploring Operation: 43+43=86, Resulting Numbers: [1, 77, 86] Generated Node #0,2: 77:[1, 77, 86] Operation: 43+43=86 Exploring Operation: 77-43=34, Resulting Numbers: [43, 1, 34] Generated Node #0,3: 77:[43, 1, 34] Operation: 77-43=34 Exploring Operation: 43/43=1, Resulting Numbers: [1, 77, 1] Generated Node #0,4: 77:[1, 77, 1] Operation: 43/43=1 Moving to Node #0,4 Current State: 77:[1, 77, 1], Operations: ['43/43=1'] Exploring Operation: 77/1=77, Resulting Numbers: [1, 77] Generated Node #0,4,0: 77:[1, 77] Operation: 77/1=77 Exploring Operation: 1+1=2, Resulting Numbers: [77, 2] Generated Node #0,4,1: 77:[77, 2] Operation: 1+1=2 Exploring Operation: 1*1=1, Resulting Numbers: [77, 1] Generated Node #0,4,2: 77:[77, 1] Operation: 1*1=1 Exploring Operation: 1*77=77, Resulting Numbers: [1, 77] Generated Node #0,4,3: 77:[1, 77] Operation: 1*77=77 Exploring Operation: 1/1=1, Resulting Numbers: [77, 1] Generated Node #0,4,4: 77:[77, 1] Operation: 1/1=1 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 77:[77, 2], Operations: ['43/43=1', '1+1=2'] Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,77 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,77 unequal: No Solution Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 77:[1, 77], Operations: ['43/43=1', '77/1=77'] Exploring Operation: 1+77=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[43, 1, 77, 43], Operations: [] Exploring Operation: 43/43=1, Resulting Numbers: [1, 77, 1] Generated Node #0,4: 77:[1, 77, 1] Operation: 43/43=1 Moving to Node #0,4 Current State: 77:[1, 77, 1], Operations: ['43/43=1'] Exploring Operation: 77/1=77, Resulting Numbers: [1, 77] Generated Node #0,4,0: 77:[1, 77] Operation: 77/1=77 Moving to Node #0,4,0 Current State: 77:[1, 77], Operations: ['43/43=1', '77/1=77'] Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 64, 19, 77, 75 ]
85
[ "64+19=83", "77-75=2", "83+2=85" ]
Current State: 85:[64, 19, 77, 75], Operations: [] Exploring Operation: 64+19=83, Resulting Numbers: [77, 75, 83] Generated Node #2: [77, 75, 83] from Operation: 64+19=83 Current State: 85:[77, 75, 83], Operations: ['64+19=83'] Exploring Operation: 77-75=2, Resulting Numbers: [83, 2] Generated Node #3: [83, 2] from Operation: 77-75=2 Current State: 85:[83, 2], Operations: ['64+19=83', '77-75=2'] Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[64, 19, 77, 75], Operations: [] Exploring Operation: 75-64=11, Resulting Numbers: [19, 77, 11] Generated Node #0,0: 85:[19, 77, 11] Operation: 75-64=11 Exploring Operation: 77-64=13, Resulting Numbers: [19, 75, 13] Generated Node #0,1: 85:[19, 75, 13] Operation: 77-64=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[19, 77, 11], Operations: ['75-64=11'] Exploring Operation: 77/11=7, Resulting Numbers: [19, 7] Generated Node #0,0,0: 85:[19, 7] Operation: 77/11=7 Exploring Operation: 77+11=88, Resulting Numbers: [19, 88] Generated Node #0,0,1: 85:[19, 88] Operation: 77+11=88 Moving to Node #0,0,0 Current State: 85:[19, 7], Operations: ['75-64=11', '77/11=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,85 unequal: No Solution Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[19, 88], Operations: ['75-64=11', '77+11=88'] Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 19+88=107, Resulting Numbers: [107] 107,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[19, 75, 13], Operations: ['77-64=13'] Exploring Operation: 19-13=6, Resulting Numbers: [75, 6] Generated Node #0,1,0: 85:[75, 6] Operation: 19-13=6 Exploring Operation: 75+13=88, Resulting Numbers: [19, 88] Generated Node #0,1,1: 85:[19, 88] Operation: 75+13=88 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[19, 88], Operations: ['77-64=13', '75+13=88'] Exploring Operation: 88-19=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 19+88=107, Resulting Numbers: [107] 107,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 85:[75, 6], Operations: ['77-64=13', '19-13=6'] Exploring Operation: 75-6=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 75+6=81, Resulting Numbers: [81] 81,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 30, 25, 83, 62 ]
26
[ "30-25=5", "83-62=21", "5+21=26" ]
Current State: 26:[30, 25, 83, 62], Operations: [] Exploring Operation: 30-25=5, Resulting Numbers: [83, 62, 5] Generated Node #2: [83, 62, 5] from Operation: 30-25=5 Current State: 26:[83, 62, 5], Operations: ['30-25=5'] Exploring Operation: 83-62=21, Resulting Numbers: [5, 21] Generated Node #3: [5, 21] from Operation: 83-62=21 Current State: 26:[5, 21], Operations: ['30-25=5', '83-62=21'] Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[30, 25, 83, 62], Operations: [] Exploring Operation: 83-30=53, Resulting Numbers: [25, 62, 53] Generated Node #0,0: 26:[25, 62, 53] Operation: 83-30=53 Exploring Operation: 83-62=21, Resulting Numbers: [30, 25, 21] Generated Node #0,1: 26:[30, 25, 21] Operation: 83-62=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[30, 25, 21], Operations: ['83-62=21'] Exploring Operation: 25-21=4, Resulting Numbers: [30, 4] Generated Node #0,1,0: 26:[30, 4] Operation: 25-21=4 Exploring Operation: 30-21=9, Resulting Numbers: [25, 9] Generated Node #0,1,1: 26:[25, 9] Operation: 30-21=9 Moving to Node #0,1,1 Current State: 26:[25, 9], Operations: ['83-62=21', '30-21=9'] Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,26 unequal: No Solution Exploring Operation: 25+9=34, Resulting Numbers: [34] 34,26 unequal: No Solution Moving to Node #0,1,0 Current State: 26:[30, 4], Operations: ['83-62=21', '25-21=4'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[30, 25, 83, 62], Operations: [] Exploring Operation: 83-62=21, Resulting Numbers: [30, 25, 21] Generated Node #0,1: 26:[30, 25, 21] Operation: 83-62=21 Moving to Node #0,1 Current State: 26:[30, 25, 21], Operations: ['83-62=21'] Exploring Operation: 25-21=4, Resulting Numbers: [30, 4] Generated Node #0,1,0: 26:[30, 4] Operation: 25-21=4 Moving to Node #0,1,0 Current State: 26:[30, 4], Operations: ['83-62=21', '25-21=4'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 82, 4, 33, 53 ]
87
[ "53-33=20", "20/4=5", "82+5=87" ]
Current State: 87:[82, 4, 33, 53], Operations: [] Exploring Operation: 53-33=20, Resulting Numbers: [82, 4, 20] Generated Node #2: [82, 4, 20] from Operation: 53-33=20 Current State: 87:[82, 4, 20], Operations: ['53-33=20'] Exploring Operation: 20/4=5, Resulting Numbers: [82, 5] Generated Node #3: [82, 5] from Operation: 20/4=5 Current State: 87:[82, 5], Operations: ['53-33=20', '20/4=5'] Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[82, 4, 33, 53], Operations: [] Exploring Operation: 82-53=29, Resulting Numbers: [4, 33, 29] Generated Node #0,0: 87:[4, 33, 29] Operation: 82-53=29 Exploring Operation: 33+53=86, Resulting Numbers: [82, 4, 86] Generated Node #0,1: 87:[82, 4, 86] Operation: 33+53=86 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[4, 33, 29], Operations: ['82-53=29'] Exploring Operation: 33-29=4, Resulting Numbers: [4, 4] Generated Node #0,0,0: 87:[4, 4] Operation: 33-29=4 Exploring Operation: 33-4=29, Resulting Numbers: [29, 29] Generated Node #0,0,1: 87:[29, 29] Operation: 33-4=29 Moving to Node #0,0,1 Current State: 87:[29, 29], Operations: ['82-53=29', '33-4=29'] Exploring Operation: 29/29=1, Resulting Numbers: [1] 1,87 unequal: No Solution Exploring Operation: 29-29=0, Resulting Numbers: [0] 0,87 unequal: No Solution Moving to Node #0,0,0 Current State: 87:[4, 4], Operations: ['82-53=29', '33-29=4'] Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,87 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[82, 4, 86], Operations: ['33+53=86'] Exploring Operation: 82+4=86, Resulting Numbers: [86, 86] Generated Node #0,1,0: 87:[86, 86] Operation: 82+4=86 Exploring Operation: 86-82=4, Resulting Numbers: [4, 4] Generated Node #0,1,1: 87:[4, 4] Operation: 86-82=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 87:[86, 86], Operations: ['33+53=86', '82+4=86'] Exploring Operation: 86-86=0, Resulting Numbers: [0] 0,87 unequal: No Solution Exploring Operation: 86/86=1, Resulting Numbers: [1] 1,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 87:[4, 4], Operations: ['33+53=86', '86-82=4'] Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,87 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 34, 35, 92, 36 ]
81
[ "36-34=2", "92/2=46", "35+46=81" ]
Current State: 81:[34, 35, 92, 36], Operations: [] Exploring Operation: 36-34=2, Resulting Numbers: [35, 92, 2] Generated Node #2: [35, 92, 2] from Operation: 36-34=2 Current State: 81:[35, 92, 2], Operations: ['36-34=2'] Exploring Operation: 92/2=46, Resulting Numbers: [35, 46] Generated Node #3: [35, 46] from Operation: 92/2=46 Current State: 81:[35, 46], Operations: ['36-34=2', '92/2=46'] Exploring Operation: 35+46=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[34, 35, 92, 36], Operations: [] Exploring Operation: 35-34=1, Resulting Numbers: [92, 36, 1] Generated Node #0,0: 81:[92, 36, 1] Operation: 35-34=1 Exploring Operation: 36-35=1, Resulting Numbers: [34, 92, 1] Generated Node #0,1: 81:[34, 92, 1] Operation: 36-35=1 Exploring Operation: 36-34=2, Resulting Numbers: [35, 92, 2] Generated Node #0,2: 81:[35, 92, 2] Operation: 36-34=2 Moving to Node #0,1 Current State: 81:[34, 92, 1], Operations: ['36-35=1'] Exploring Operation: 92-1=91, Resulting Numbers: [34, 91] Generated Node #0,1,0: 81:[34, 91] Operation: 92-1=91 Exploring Operation: 34-1=33, Resulting Numbers: [92, 33] Generated Node #0,1,1: 81:[92, 33] Operation: 34-1=33 Exploring Operation: 34*1=34, Resulting Numbers: [92, 34] Generated Node #0,1,2: 81:[92, 34] Operation: 34*1=34 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[34, 91], Operations: ['36-35=1', '92-1=91'] Exploring Operation: 34+91=125, Resulting Numbers: [125] 125,81 unequal: No Solution Exploring Operation: 91-34=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 34*91=3094, Resulting Numbers: [3094] 3094,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[92, 33], Operations: ['36-35=1', '34-1=33'] Exploring Operation: 92*33=3036, Resulting Numbers: [3036] 3036,81 unequal: No Solution Exploring Operation: 92+33=125, Resulting Numbers: [125] 125,81 unequal: No Solution Exploring Operation: 92-33=59, Resulting Numbers: [59] 59,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 81:[92, 34], Operations: ['36-35=1', '34*1=34'] Exploring Operation: 92*34=3128, Resulting Numbers: [3128] 3128,81 unequal: No Solution Exploring Operation: 92-34=58, Resulting Numbers: [58] 58,81 unequal: No Solution Exploring Operation: 92+34=126, Resulting Numbers: [126] 126,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 81:[35, 92, 2], Operations: ['36-34=2'] Exploring Operation: 92-2=90, Resulting Numbers: [35, 90] Generated Node #0,2,0: 81:[35, 90] Operation: 92-2=90 Exploring Operation: 35+2=37, Resulting Numbers: [92, 37] Generated Node #0,2,1: 81:[92, 37] Operation: 35+2=37 Exploring Operation: 35-2=33, Resulting Numbers: [92, 33] Generated Node #0,2,2: 81:[92, 33] Operation: 35-2=33 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[35, 90], Operations: ['36-34=2', '92-2=90'] Exploring Operation: 35*90=3150, Resulting Numbers: [3150] 3150,81 unequal: No Solution Exploring Operation: 35+90=125, Resulting Numbers: [125] 125,81 unequal: No Solution Exploring Operation: 90-35=55, Resulting Numbers: [55] 55,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[92, 33], Operations: ['36-34=2', '35-2=33'] Exploring Operation: 92*33=3036, Resulting Numbers: [3036] 3036,81 unequal: No Solution Exploring Operation: 92-33=59, Resulting Numbers: [59] 59,81 unequal: No Solution Exploring Operation: 92+33=125, Resulting Numbers: [125] 125,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[92, 37], Operations: ['36-34=2', '35+2=37'] Exploring Operation: 92*37=3404, Resulting Numbers: [3404] 3404,81 unequal: No Solution Exploring Operation: 92-37=55, Resulting Numbers: [55] 55,81 unequal: No Solution Exploring Operation: 92+37=129, Resulting Numbers: [129] 129,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 81:[92, 36, 1], Operations: ['35-34=1'] Exploring Operation: 92-1=91, Resulting Numbers: [36, 91] Generated Node #0,0,0: 81:[36, 91] Operation: 92-1=91 Exploring Operation: 36-1=35, Resulting Numbers: [92, 35] Generated Node #0,0,1: 81:[92, 35] Operation: 36-1=35 Exploring Operation: 92*1=92, Resulting Numbers: [36, 92] Generated Node #0,0,2: 81:[36, 92] Operation: 92*1=92 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[36, 91], Operations: ['35-34=1', '92-1=91'] Exploring Operation: 36*91=3276, Resulting Numbers: [3276] 3276,81 unequal: No Solution Exploring Operation: 36+91=127, Resulting Numbers: [127] 127,81 unequal: No Solution Exploring Operation: 91-36=55, Resulting Numbers: [55] 55,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[92, 35], Operations: ['35-34=1', '36-1=35'] Exploring Operation: 92-35=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 92*35=3220, Resulting Numbers: [3220] 3220,81 unequal: No Solution Exploring Operation: 92+35=127, Resulting Numbers: [127] 127,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[36, 92], Operations: ['35-34=1', '92*1=92'] Exploring Operation: 36*92=3312, Resulting Numbers: [3312] 3312,81 unequal: No Solution Exploring Operation: 36+92=128, Resulting Numbers: [128] 128,81 unequal: No Solution Exploring Operation: 92-36=56, Resulting Numbers: [56] 56,81 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
[ 32, 3, 7, 42 ]
27
[ "32+7=39", "42+39=81", "81/3=27" ]
Current State: 27:[32, 3, 7, 42], Operations: [] Exploring Operation: 32+7=39, Resulting Numbers: [3, 42, 39] Generated Node #2: [3, 42, 39] from Operation: 32+7=39 Current State: 27:[3, 42, 39], Operations: ['32+7=39'] Exploring Operation: 42+39=81, Resulting Numbers: [3, 81] Generated Node #3: [3, 81] from Operation: 42+39=81 Current State: 27:[3, 81], Operations: ['32+7=39', '42+39=81'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[32, 3, 7, 42], Operations: [] Exploring Operation: 42-32=10, Resulting Numbers: [3, 7, 10] Generated Node #0,0: 27:[3, 7, 10] Operation: 42-32=10 Exploring Operation: 42/7=6, Resulting Numbers: [32, 3, 6] Generated Node #0,1: 27:[32, 3, 6] Operation: 42/7=6 Moving to Node #0,0 Current State: 27:[3, 7, 10], Operations: ['42-32=10'] Exploring Operation: 10-7=3, Resulting Numbers: [3, 3] Generated Node #0,0,0: 27:[3, 3] Operation: 10-7=3 Exploring Operation: 3+7=10, Resulting Numbers: [10, 10] Generated Node #0,0,1: 27:[10, 10] Operation: 3+7=10 Moving to Node #0,1 Current State: 27:[32, 3, 6], Operations: ['42/7=6'] Exploring Operation: 32-6=26, Resulting Numbers: [3, 26] Generated Node #0,1,0: 27:[3, 26] Operation: 32-6=26 Exploring Operation: 32-3=29, Resulting Numbers: [6, 29] Generated Node #0,1,1: 27:[6, 29] Operation: 32-3=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 27:[3, 26], Operations: ['42/7=6', '32-6=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,27 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 #0,1,1 Current State: 27:[6, 29], Operations: ['42/7=6', '32-3=29'] Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,27 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: 27:[3, 3], Operations: ['42-32=10', '10-7=3'] Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,27 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[10, 10], Operations: ['42-32=10', '3+7=10'] Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,27 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,27 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 65, 56, 54, 79 ]
58
[ "79-65=14", "56/14=4", "54+4=58" ]
Current State: 58:[65, 56, 54, 79], Operations: [] Exploring Operation: 79-65=14, Resulting Numbers: [56, 54, 14] Generated Node #2: [56, 54, 14] from Operation: 79-65=14 Current State: 58:[56, 54, 14], Operations: ['79-65=14'] Exploring Operation: 56/14=4, Resulting Numbers: [54, 4] Generated Node #3: [54, 4] from Operation: 56/14=4 Current State: 58:[54, 4], Operations: ['79-65=14', '56/14=4'] Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[65, 56, 54, 79], Operations: [] Exploring Operation: 79-54=25, Resulting Numbers: [65, 56, 25] Generated Node #0,0: 58:[65, 56, 25] Operation: 79-54=25 Moving to Node #0,0 Current State: 58:[65, 56, 25], Operations: ['79-54=25'] Exploring Operation: 56-25=31, Resulting Numbers: [65, 31] Generated Node #0,0,0: 58:[65, 31] Operation: 56-25=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[65, 31], Operations: ['79-54=25', '56-25=31'] Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,58 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
[ 92, 25, 44, 5 ]
77
[ "92-44=48", "25*5=125", "125-48=77" ]
Current State: 77:[92, 25, 44, 5], Operations: [] Exploring Operation: 92-44=48, Resulting Numbers: [25, 5, 48] Generated Node #2: [25, 5, 48] from Operation: 92-44=48 Current State: 77:[25, 5, 48], Operations: ['92-44=48'] Exploring Operation: 25*5=125, Resulting Numbers: [48, 125] Generated Node #3: [48, 125] from Operation: 25*5=125 Current State: 77:[48, 125], Operations: ['92-44=48', '25*5=125'] Exploring Operation: 125-48=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[92, 25, 44, 5], Operations: [] Exploring Operation: 25+44=69, Resulting Numbers: [92, 5, 69] Generated Node #0,0: 77:[92, 5, 69] Operation: 25+44=69 Exploring Operation: 25/5=5, Resulting Numbers: [92, 44, 5] Generated Node #0,1: 77:[92, 44, 5] Operation: 25/5=5 Exploring Operation: 44-25=19, Resulting Numbers: [92, 5, 19] Generated Node #0,2: 77:[92, 5, 19] Operation: 44-25=19 Exploring Operation: 92-25=67, Resulting Numbers: [44, 5, 67] Generated Node #0,3: 77:[44, 5, 67] Operation: 92-25=67 Exploring Operation: 92-44=48, Resulting Numbers: [25, 5, 48] Generated Node #0,4: 77:[25, 5, 48] Operation: 92-44=48 Moving to Node #0,0 Current State: 77:[92, 5, 69], Operations: ['25+44=69'] Exploring Operation: 69-5=64, Resulting Numbers: [92, 64] Generated Node #0,0,0: 77:[92, 64] Operation: 69-5=64 Exploring Operation: 92-69=23, Resulting Numbers: [5, 23] Generated Node #0,0,1: 77:[5, 23] Operation: 92-69=23 Exploring Operation: 92-5=87, Resulting Numbers: [69, 87] Generated Node #0,0,2: 77:[69, 87] Operation: 92-5=87 Exploring Operation: 92+5=97, Resulting Numbers: [69, 97] Generated Node #0,0,3: 77:[69, 97] Operation: 92+5=97 Exploring Operation: 5+69=74, Resulting Numbers: [92, 74] Generated Node #0,0,4: 77:[92, 74] Operation: 5+69=74 Moving to Node #0,2 Current State: 77:[92, 5, 19], Operations: ['44-25=19'] Exploring Operation: 92-5=87, Resulting Numbers: [19, 87] Generated Node #0,2,0: 77:[19, 87] Operation: 92-5=87 Exploring Operation: 92-19=73, Resulting Numbers: [5, 73] Generated Node #0,2,1: 77:[5, 73] Operation: 92-19=73 Exploring Operation: 19-5=14, Resulting Numbers: [92, 14] Generated Node #0,2,2: 77:[92, 14] Operation: 19-5=14 Exploring Operation: 5+19=24, Resulting Numbers: [92, 24] Generated Node #0,2,3: 77:[92, 24] Operation: 5+19=24 Exploring Operation: 92+5=97, Resulting Numbers: [19, 97] Generated Node #0,2,4: 77:[19, 97] Operation: 92+5=97 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 77:[5, 73], Operations: ['44-25=19', '92-19=73'] Exploring Operation: 5+73=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 5*73=365, Resulting Numbers: [365] 365,77 unequal: No Solution Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[19, 87], Operations: ['44-25=19', '92-5=87'] Exploring Operation: 19+87=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 87-19=68, Resulting Numbers: [68] 68,77 unequal: No Solution Exploring Operation: 19*87=1653, Resulting Numbers: [1653] 1653,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 77:[92, 14], Operations: ['44-25=19', '19-5=14'] Exploring Operation: 92+14=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 92*14=1288, Resulting Numbers: [1288] 1288,77 unequal: No Solution Exploring Operation: 92-14=78, Resulting Numbers: [78] 78,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 77:[92, 24], Operations: ['44-25=19', '5+19=24'] Exploring Operation: 92-24=68, Resulting Numbers: [68] 68,77 unequal: No Solution Exploring Operation: 92+24=116, Resulting Numbers: [116] 116,77 unequal: No Solution Exploring Operation: 92*24=2208, Resulting Numbers: [2208] 2208,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 77:[19, 97], Operations: ['44-25=19', '92+5=97'] Exploring Operation: 97-19=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 19*97=1843, Resulting Numbers: [1843] 1843,77 unequal: No Solution Exploring Operation: 19+97=116, Resulting Numbers: [116] 116,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 77:[44, 5, 67], Operations: ['92-25=67'] Exploring Operation: 67-44=23, Resulting Numbers: [5, 23] Generated Node #0,3,0: 77:[5, 23] Operation: 67-44=23 Exploring Operation: 44-5=39, Resulting Numbers: [67, 39] Generated Node #0,3,1: 77:[67, 39] Operation: 44-5=39 Exploring Operation: 44+5=49, Resulting Numbers: [67, 49] Generated Node #0,3,2: 77:[67, 49] Operation: 44+5=49 Exploring Operation: 5+67=72, Resulting Numbers: [44, 72] Generated Node #0,3,3: 77:[44, 72] Operation: 5+67=72 Exploring Operation: 44+67=111, Resulting Numbers: [5, 111] Generated Node #0,3,4: 77:[5, 111] Operation: 44+67=111 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 77:[5, 23], Operations: ['92-25=67', '67-44=23'] Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 77:[5, 111], Operations: ['92-25=67', '44+67=111'] Exploring Operation: 5*111=555, Resulting Numbers: [555] 555,77 unequal: No Solution Exploring Operation: 111-5=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 5+111=116, Resulting Numbers: [116] 116,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 77:[67, 39], Operations: ['92-25=67', '44-5=39'] Exploring Operation: 67+39=106, Resulting Numbers: [106] 106,77 unequal: No Solution Exploring Operation: 67-39=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 67*39=2613, Resulting Numbers: [2613] 2613,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 77:[67, 49], Operations: ['92-25=67', '44+5=49'] Exploring Operation: 67*49=3283, Resulting Numbers: [3283] 3283,77 unequal: No Solution Exploring Operation: 67-49=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 67+49=116, Resulting Numbers: [116] 116,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 77:[44, 72], Operations: ['92-25=67', '5+67=72'] Exploring Operation: 44*72=3168, Resulting Numbers: [3168] 3168,77 unequal: No Solution Exploring Operation: 72-44=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 44+72=116, Resulting Numbers: [116] 116,77 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: 77:[25, 5, 48], Operations: ['92-44=48'] Exploring Operation: 25-5=20, Resulting Numbers: [48, 20] Generated Node #0,4,0: 77:[48, 20] Operation: 25-5=20 Exploring Operation: 25/5=5, Resulting Numbers: [48, 5] Generated Node #0,4,1: 77:[48, 5] Operation: 25/5=5 Exploring Operation: 48-25=23, Resulting Numbers: [5, 23] Generated Node #0,4,2: 77:[5, 23] Operation: 48-25=23 Exploring Operation: 5+48=53, Resulting Numbers: [25, 53] Generated Node #0,4,3: 77:[25, 53] Operation: 5+48=53 Exploring Operation: 25+48=73, Resulting Numbers: [5, 73] Generated Node #0,4,4: 77:[5, 73] Operation: 25+48=73 Moving to Node #0,1 Current State: 77:[92, 44, 5], Operations: ['25/5=5'] Exploring Operation: 44-5=39, Resulting Numbers: [92, 39] Generated Node #0,1,0: 77:[92, 39] Operation: 44-5=39 Exploring Operation: 92-5=87, Resulting Numbers: [44, 87] Generated Node #0,1,1: 77:[44, 87] Operation: 92-5=87 Exploring Operation: 92-44=48, Resulting Numbers: [5, 48] Generated Node #0,1,2: 77:[5, 48] Operation: 92-44=48 Exploring Operation: 44+5=49, Resulting Numbers: [92, 49] Generated Node #0,1,3: 77:[92, 49] Operation: 44+5=49 Exploring Operation: 92+5=97, Resulting Numbers: [44, 97] Generated Node #0,1,4: 77:[44, 97] Operation: 92+5=97 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 77:[5, 48], Operations: ['25/5=5', '92-44=48'] Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,77 unequal: No Solution Exploring Operation: 5*48=240, Resulting Numbers: [240] 240,77 unequal: No Solution Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[92, 39], Operations: ['25/5=5', '44-5=39'] Exploring Operation: 92-39=53, Resulting Numbers: [53] 53,77 unequal: No Solution Exploring Operation: 92+39=131, Resulting Numbers: [131] 131,77 unequal: No Solution Exploring Operation: 92*39=3588, Resulting Numbers: [3588] 3588,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[44, 87], Operations: ['25/5=5', '92-5=87'] Exploring Operation: 44+87=131, Resulting Numbers: [131] 131,77 unequal: No Solution Exploring Operation: 44*87=3828, Resulting Numbers: [3828] 3828,77 unequal: No Solution Exploring Operation: 87-44=43, Resulting Numbers: [43] 43,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 77:[92, 49], Operations: ['25/5=5', '44+5=49'] Exploring Operation: 92*49=4508, Resulting Numbers: [4508] 4508,77 unequal: No Solution Exploring Operation: 92-49=43, Resulting Numbers: [43] 43,77 unequal: No Solution Exploring Operation: 92+49=141, Resulting Numbers: [141] 141,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 77:[44, 97], Operations: ['25/5=5', '92+5=97'] Exploring Operation: 44+97=141, Resulting Numbers: [141] 141,77 unequal: No Solution Exploring Operation: 44*97=4268, Resulting Numbers: [4268] 4268,77 unequal: No Solution Exploring Operation: 97-44=53, Resulting Numbers: [53] 53,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,4 Current State: 77:[5, 73], Operations: ['92-44=48', '25+48=73'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,77 unequal: No Solution Exploring Operation: 5+73=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 5*73=365, Resulting Numbers: [365] 365,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[5, 23], Operations: ['25+44=69', '92-69=23'] Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,77 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,77 unequal: No Solution Moving to Node #0,4,2 Current State: 77:[5, 23], Operations: ['92-44=48', '48-25=23'] Exploring Operation: 5+23=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 5*23=115, Resulting Numbers: [115] 115,77 unequal: No Solution Moving to Node #0,0,4 Current State: 77:[92, 74], Operations: ['25+44=69', '5+69=74'] Exploring Operation: 92*74=6808, Resulting Numbers: [6808] 6808,77 unequal: No Solution Exploring Operation: 92+74=166, Resulting Numbers: [166] 166,77 unequal: No Solution Exploring Operation: 92-74=18, Resulting Numbers: [18] 18,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[69, 87], Operations: ['25+44=69', '92-5=87'] Exploring Operation: 87-69=18, Resulting Numbers: [18] 18,77 unequal: No Solution Exploring Operation: 69+87=156, Resulting Numbers: [156] 156,77 unequal: No Solution Exploring Operation: 69*87=6003, Resulting Numbers: [6003] 6003,77 unequal: No Solution Moving to Node #0,0,3 Current State: 77:[69, 97], Operations: ['25+44=69', '92+5=97'] Exploring Operation: 69+97=166, Resulting Numbers: [166] 166,77 unequal: No Solution Exploring Operation: 69*97=6693, Resulting Numbers: [6693] 6693,77 unequal: No Solution Exploring Operation: 97-69=28, Resulting Numbers: [28] 28,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[92, 64], Operations: ['25+44=69', '69-5=64'] Exploring Operation: 92+64=156, Resulting Numbers: [156] 156,77 unequal: No Solution Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 92*64=5888, Resulting Numbers: [5888] 5888,77 unequal: No Solution Moving to Node #0,4,1 Current State: 77:[48, 5], Operations: ['92-44=48', '25/5=5'] Exploring Operation: 48*5=240, Resulting Numbers: [240] 240,77 unequal: No Solution Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,77 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,77 unequal: No Solution Moving to Node #0,4,0 Current State: 77:[48, 20], Operations: ['92-44=48', '25-5=20'] Exploring Operation: 48*20=960, Resulting Numbers: [960] 960,77 unequal: No Solution Exploring Operation: 48+20=68, Resulting Numbers: [68] 68,77 unequal: No Solution Exploring Operation: 48-20=28, Resulting Numbers: [28] 28,77 unequal: No Solution Moving to Node #0,4,3 Current State: 77:[25, 53], Operations: ['92-44=48', '5+48=53'] Exploring Operation: 25+53=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 25*53=1325, Resulting Numbers: [1325] 1325,77 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,77 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 39, 9, 41, 5 ]
29
[ "9+41=50", "50/5=10", "39-10=29" ]
Current State: 29:[39, 9, 41, 5], Operations: [] Exploring Operation: 9+41=50, Resulting Numbers: [39, 5, 50] Generated Node #2: [39, 5, 50] from Operation: 9+41=50 Current State: 29:[39, 5, 50], Operations: ['9+41=50'] Exploring Operation: 50/5=10, Resulting Numbers: [39, 10] Generated Node #3: [39, 10] from Operation: 50/5=10 Current State: 29:[39, 10], Operations: ['9+41=50', '50/5=10'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[39, 9, 41, 5], Operations: [] Exploring Operation: 41-9=32, Resulting Numbers: [39, 5, 32] Generated Node #0,0: 29:[39, 5, 32] Operation: 41-9=32 Exploring Operation: 39-5=34, Resulting Numbers: [9, 41, 34] Generated Node #0,1: 29:[9, 41, 34] Operation: 39-5=34 Exploring Operation: 39-9=30, Resulting Numbers: [41, 5, 30] Generated Node #0,2: 29:[41, 5, 30] Operation: 39-9=30 Moving to Node #0,0 Current State: 29:[39, 5, 32], Operations: ['41-9=32'] Exploring Operation: 39-5=34, Resulting Numbers: [32, 34] Generated Node #0,0,0: 29:[32, 34] Operation: 39-5=34 Exploring Operation: 32-5=27, Resulting Numbers: [39, 27] Generated Node #0,0,1: 29:[39, 27] Operation: 32-5=27 Exploring Operation: 39+5=44, Resulting Numbers: [32, 44] Generated Node #0,0,2: 29:[32, 44] Operation: 39+5=44 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[32, 34], Operations: ['41-9=32', '39-5=34'] Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,29 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 29:[39, 27], Operations: ['41-9=32', '32-5=27'] Exploring Operation: 39*27=1053, Resulting Numbers: [1053] 1053,29 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 39+27=66, Resulting Numbers: [66] 66,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 29:[32, 44], Operations: ['41-9=32', '39+5=44'] Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 32+44=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 32*44=1408, Resulting Numbers: [1408] 1408,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 29:[9, 41, 34], Operations: ['39-5=34'] Exploring Operation: 9+41=50, Resulting Numbers: [34, 50] Generated Node #0,1,0: 29:[34, 50] Operation: 9+41=50 Exploring Operation: 34-9=25, Resulting Numbers: [41, 25] Generated Node #0,1,1: 29:[41, 25] Operation: 34-9=25 Exploring Operation: 41-9=32, Resulting Numbers: [34, 32] Generated Node #0,1,2: 29:[34, 32] Operation: 41-9=32 Moving to Node #0,2 Current State: 29:[41, 5, 30], Operations: ['39-9=30'] Exploring Operation: 41+5=46, Resulting Numbers: [30, 46] Generated Node #0,2,0: 29:[30, 46] Operation: 41+5=46 Exploring Operation: 41-5=36, Resulting Numbers: [30, 36] Generated Node #0,2,1: 29:[30, 36] Operation: 41-5=36 Exploring Operation: 30-5=25, Resulting Numbers: [41, 25] Generated Node #0,2,2: 29:[41, 25] Operation: 30-5=25 Moving to Node #0,1,2 Current State: 29:[34, 32], Operations: ['39-5=34', '41-9=32'] Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,29 unequal: No Solution Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[30, 36], Operations: ['39-9=30', '41-5=36'] Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 30+36=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 30*36=1080, Resulting Numbers: [1080] 1080,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[41, 25], Operations: ['39-9=30', '30-5=25'] Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[41, 25], Operations: ['39-5=34', '34-9=25'] Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,29 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,29 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[30, 46], Operations: ['39-9=30', '41+5=46'] Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 30*46=1380, Resulting Numbers: [1380] 1380,29 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[34, 50], Operations: ['39-5=34', '9+41=50'] Exploring Operation: 34+50=84, Resulting Numbers: [84] 84,29 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 34*50=1700, Resulting Numbers: [1700] 1700,29 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 75, 87, 27, 27 ]
33
[ "75+87=162", "162/27=6", "27+6=33" ]
Current State: 33:[75, 87, 27, 27], Operations: [] Exploring Operation: 75+87=162, Resulting Numbers: [27, 27, 162] Generated Node #2: [27, 27, 162] from Operation: 75+87=162 Current State: 33:[27, 27, 162], Operations: ['75+87=162'] Exploring Operation: 162/27=6, Resulting Numbers: [6] 6,33 equal: Goal Reached Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[75, 87, 27, 27], Operations: [] Exploring Operation: 75-27=48, Resulting Numbers: [87, 27, 48] Generated Node #0,0: 33:[87, 27, 48] Operation: 75-27=48 Exploring Operation: 75-27=48, Resulting Numbers: [87, 27, 48] Generated Node #0,1: 33:[87, 27, 48] Operation: 75-27=48 Exploring Operation: 87-27=60, Resulting Numbers: [75, 27, 60] Generated Node #0,2: 33:[75, 27, 60] Operation: 87-27=60 Exploring Operation: 87-27=60, Resulting Numbers: [75, 27, 60] Generated Node #0,3: 33:[75, 27, 60] Operation: 87-27=60 Exploring Operation: 87-75=12, Resulting Numbers: [27, 27, 12] Generated Node #0,4: 33:[27, 27, 12] Operation: 87-75=12 Start Sub Search at level 1: Moving to Node #0,4 Current State: 33:[27, 27, 12], Operations: ['87-75=12'] Exploring Operation: 27-27=0, Resulting Numbers: [12, 0] Generated Node #0,4,0: 33:[12, 0] Operation: 27-27=0 Exploring Operation: 27-12=15, Resulting Numbers: [27, 15] Generated Node #0,4,1: 33:[27, 15] Operation: 27-12=15 Exploring Operation: 27-12=15, Resulting Numbers: [27, 15] Generated Node #0,4,2: 33:[27, 15] Operation: 27-12=15 Exploring Operation: 27+12=39, Resulting Numbers: [27, 39] Generated Node #0,4,3: 33:[27, 39] Operation: 27+12=39 Exploring Operation: 27/27=1, Resulting Numbers: [12, 1] Generated Node #0,4,4: 33:[12, 1] Operation: 27/27=1 Moving to Node #0,4,4 Current State: 33:[12, 1], Operations: ['87-75=12', '27/27=1'] Exploring Operation: 12*1=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 12+1=13, Resulting Numbers: [13] 13,33 unequal: No Solution Moving to Node #0,4,0 Current State: 33:[12, 0], Operations: ['87-75=12', '27-27=0'] Exploring Operation: 12*0=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 12-0=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 12+0=12, Resulting Numbers: [12] 12,33 unequal: No Solution Moving to Node #0,4,1 Current State: 33:[27, 15], Operations: ['87-75=12', '27-12=15'] Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 27*15=405, Resulting Numbers: [405] 405,33 unequal: No Solution Exploring Operation: 27+15=42, Resulting Numbers: [42] 42,33 unequal: No Solution Moving to Node #0,4,2 Current State: 33:[27, 15], Operations: ['87-75=12', '27-12=15'] Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 27*15=405, Resulting Numbers: [405] 405,33 unequal: No Solution Exploring Operation: 27+15=42, Resulting Numbers: [42] 42,33 unequal: No Solution Moving to Node #0,4,3 Current State: 33:[27, 39], Operations: ['87-75=12', '27+12=39'] Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,33 unequal: No Solution Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,33 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,33 unequal: No Solution No 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: 33:[87, 27, 48], Operations: ['75-27=48'] Exploring Operation: 87-48=39, Resulting Numbers: [27, 39] Generated Node #0,0,0: 33:[27, 39] Operation: 87-48=39 Exploring Operation: 48-27=21, Resulting Numbers: [87, 21] Generated Node #0,0,1: 33:[87, 21] Operation: 48-27=21 Exploring Operation: 87+27=114, Resulting Numbers: [48, 114] Generated Node #0,0,2: 33:[48, 114] Operation: 87+27=114 Exploring Operation: 27+48=75, Resulting Numbers: [87, 75] Generated Node #0,0,3: 33:[87, 75] Operation: 27+48=75 Exploring Operation: 87-27=60, Resulting Numbers: [48, 60] Generated Node #0,0,4: 33:[48, 60] Operation: 87-27=60 Moving to Node #0,0,0 Current State: 33:[27, 39], Operations: ['75-27=48', '87-48=39'] Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,33 unequal: No Solution Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,33 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,33 unequal: No Solution Moving to Node #0,0,4 Current State: 33:[48, 60], Operations: ['75-27=48', '87-27=60'] Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 48+60=108, Resulting Numbers: [108] 108,33 unequal: No Solution Exploring Operation: 48*60=2880, Resulting Numbers: [2880] 2880,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[87, 21], Operations: ['75-27=48', '48-27=21'] Exploring Operation: 87-21=66, Resulting Numbers: [66] 66,33 unequal: No Solution Exploring Operation: 87*21=1827, Resulting Numbers: [1827] 1827,33 unequal: No Solution Exploring Operation: 87+21=108, Resulting Numbers: [108] 108,33 unequal: No Solution Moving to Node #0,0,2 Current State: 33:[48, 114], Operations: ['75-27=48', '87+27=114'] Exploring Operation: 114-48=66, Resulting Numbers: [66] 66,33 unequal: No Solution Exploring Operation: 48*114=5472, Resulting Numbers: [5472] 5472,33 unequal: No Solution Exploring Operation: 48+114=162, Resulting Numbers: [162] 162,33 unequal: No Solution Moving to Node #0,0,3 Current State: 33:[87, 75], Operations: ['75-27=48', '27+48=75'] Exploring Operation: 87*75=6525, Resulting Numbers: [6525] 6525,33 unequal: No Solution Exploring Operation: 87-75=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 87+75=162, Resulting Numbers: [162] 162,33 unequal: No Solution No 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: 33:[87, 27, 48], Operations: ['75-27=48'] Exploring Operation: 87-27=60, Resulting Numbers: [48, 60] Generated Node #0,1,0: 33:[48, 60] Operation: 87-27=60 Exploring Operation: 87+27=114, Resulting Numbers: [48, 114] Generated Node #0,1,1: 33:[48, 114] Operation: 87+27=114 Exploring Operation: 27+48=75, Resulting Numbers: [87, 75] Generated Node #0,1,2: 33:[87, 75] Operation: 27+48=75 Exploring Operation: 87-48=39, Resulting Numbers: [27, 39] Generated Node #0,1,3: 33:[27, 39] Operation: 87-48=39 Exploring Operation: 48-27=21, Resulting Numbers: [87, 21] Generated Node #0,1,4: 33:[87, 21] Operation: 48-27=21 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 33:[27, 39], Operations: ['75-27=48', '87-48=39'] Exploring Operation: 27+39=66, Resulting Numbers: [66] 66,33 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 27*39=1053, Resulting Numbers: [1053] 1053,33 unequal: No Solution No 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: 33:[48, 60], Operations: ['75-27=48', '87-27=60'] Exploring Operation: 48*60=2880, Resulting Numbers: [2880] 2880,33 unequal: No Solution Exploring Operation: 48+60=108, Resulting Numbers: [108] 108,33 unequal: No Solution Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,33 unequal: No Solution No 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: 33:[87, 21], Operations: ['75-27=48', '48-27=21'] Exploring Operation: 87*21=1827, Resulting Numbers: [1827] 1827,33 unequal: No Solution Exploring Operation: 87+21=108, Resulting Numbers: [108] 108,33 unequal: No Solution Exploring Operation: 87-21=66, Resulting Numbers: [66] 66,33 unequal: No Solution No 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: 33:[48, 114], Operations: ['75-27=48', '87+27=114'] Exploring Operation: 114-48=66, Resulting Numbers: [66] 66,33 unequal: No Solution Exploring Operation: 48+114=162, Resulting Numbers: [162] 162,33 unequal: No Solution Exploring Operation: 48*114=5472, Resulting Numbers: [5472] 5472,33 unequal: No Solution No 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: 33:[87, 75], Operations: ['75-27=48', '27+48=75'] Exploring Operation: 87+75=162, Resulting Numbers: [162] 162,33 unequal: No Solution Exploring Operation: 87*75=6525, Resulting Numbers: [6525] 6525,33 unequal: No Solution Exploring Operation: 87-75=12, Resulting Numbers: [12] 12,33 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: 33:[75, 27, 60], Operations: ['87-27=60'] Exploring Operation: 27+60=87, Resulting Numbers: [75, 87] Generated Node #0,2,0: 33:[75, 87] Operation: 27+60=87 Exploring Operation: 60-27=33, Resulting Numbers: [75, 33] Generated Node #0,2,1: 33:[75, 33] Operation: 60-27=33 Exploring Operation: 75+27=102, Resulting Numbers: [60, 102] Generated Node #0,2,2: 33:[60, 102] Operation: 75+27=102 Exploring Operation: 75-60=15, Resulting Numbers: [27, 15] Generated Node #0,2,3: 33:[27, 15] Operation: 75-60=15 Exploring Operation: 75-27=48, Resulting Numbers: [60, 48] Generated Node #0,2,4: 33:[60, 48] Operation: 75-27=48 Moving to Node #0,2,3 Current State: 33:[27, 15], Operations: ['87-27=60', '75-60=15'] Exploring Operation: 27+15=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 27*15=405, Resulting Numbers: [405] 405,33 unequal: No Solution Moving to Node #0,2,4 Current State: 33:[60, 48], Operations: ['87-27=60', '75-27=48'] Exploring Operation: 60*48=2880, Resulting Numbers: [2880] 2880,33 unequal: No Solution Exploring Operation: 60+48=108, Resulting Numbers: [108] 108,33 unequal: No Solution Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[75, 33], Operations: ['87-27=60', '60-27=33'] Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 75*33=2475, Resulting Numbers: [2475] 2475,33 unequal: No Solution Exploring Operation: 75+33=108, Resulting Numbers: [108] 108,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[75, 87], Operations: ['87-27=60', '27+60=87'] Exploring Operation: 75*87=6525, Resulting Numbers: [6525] 6525,33 unequal: No Solution Exploring Operation: 87-75=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 75+87=162, Resulting Numbers: [162] 162,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[60, 102], Operations: ['87-27=60', '75+27=102'] Exploring Operation: 60*102=6120, Resulting Numbers: [6120] 6120,33 unequal: No Solution Exploring Operation: 102-60=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 60+102=162, Resulting Numbers: [162] 162,33 unequal: No Solution No 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: 33:[75, 27, 60], Operations: ['87-27=60'] Exploring Operation: 75-60=15, Resulting Numbers: [27, 15] Generated Node #0,3,0: 33:[27, 15] Operation: 75-60=15 Exploring Operation: 27+60=87, Resulting Numbers: [75, 87] Generated Node #0,3,1: 33:[75, 87] Operation: 27+60=87 Exploring Operation: 75-27=48, Resulting Numbers: [60, 48] Generated Node #0,3,2: 33:[60, 48] Operation: 75-27=48 Exploring Operation: 60-27=33, Resulting Numbers: [75, 33] Generated Node #0,3,3: 33:[75, 33] Operation: 60-27=33 Exploring Operation: 75+27=102, Resulting Numbers: [60, 102] Generated Node #0,3,4: 33:[60, 102] Operation: 75+27=102 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 33:[27, 15], Operations: ['87-27=60', '75-60=15'] Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 27+15=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 27*15=405, Resulting Numbers: [405] 405,33 unequal: No Solution No 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: 33:[60, 48], Operations: ['87-27=60', '75-27=48'] Exploring Operation: 60+48=108, Resulting Numbers: [108] 108,33 unequal: No Solution Exploring Operation: 60*48=2880, Resulting Numbers: [2880] 2880,33 unequal: No Solution Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,33 unequal: No Solution No 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: 33:[75, 33], Operations: ['87-27=60', '60-27=33'] Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 75+33=108, Resulting Numbers: [108] 108,33 unequal: No Solution Exploring Operation: 75*33=2475, Resulting Numbers: [2475] 2475,33 unequal: No Solution No 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: 33:[75, 87], Operations: ['87-27=60', '27+60=87'] Exploring Operation: 75*87=6525, Resulting Numbers: [6525] 6525,33 unequal: No Solution Exploring Operation: 87-75=12, Resulting Numbers: [12] 12,33 unequal: No Solution Exploring Operation: 75+87=162, Resulting Numbers: [162] 162,33 unequal: No Solution No 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: 33:[60, 102], Operations: ['87-27=60', '75+27=102'] Exploring Operation: 60+102=162, Resulting Numbers: [162] 162,33 unequal: No Solution Exploring Operation: 102-60=42, Resulting Numbers: [42] 42,33 unequal: No Solution Exploring Operation: 60*102=6120, Resulting Numbers: [6120] 6120,33 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
[ 91, 32, 69, 46 ]
43
[ "32*69=2208", "2208/46=48", "91-48=43" ]
Current State: 43:[91, 32, 69, 46], Operations: [] Exploring Operation: 32*69=2208, Resulting Numbers: [91, 46, 2208] Generated Node #2: [91, 46, 2208] from Operation: 32*69=2208 Current State: 43:[91, 46, 2208], Operations: ['32*69=2208'] Exploring Operation: 2208/46=48, Resulting Numbers: [91, 48] Generated Node #3: [91, 48] from Operation: 2208/46=48 Current State: 43:[91, 48], Operations: ['32*69=2208', '2208/46=48'] Exploring Operation: 91-48=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[91, 32, 69, 46], Operations: [] Exploring Operation: 91-46=45, Resulting Numbers: [32, 69, 45] Generated Node #0,0: 43:[32, 69, 45] Operation: 91-46=45 Exploring Operation: 91-69=22, Resulting Numbers: [32, 46, 22] Generated Node #0,1: 43:[32, 46, 22] Operation: 91-69=22 Exploring Operation: 91-32=59, Resulting Numbers: [69, 46, 59] Generated Node #0,2: 43:[69, 46, 59] Operation: 91-32=59 Moving to Node #0,1 Current State: 43:[32, 46, 22], Operations: ['91-69=22'] Exploring Operation: 46-22=24, Resulting Numbers: [32, 24] Generated Node #0,1,0: 43:[32, 24] Operation: 46-22=24 Exploring Operation: 32+22=54, Resulting Numbers: [46, 54] Generated Node #0,1,1: 43:[46, 54] Operation: 32+22=54 Exploring Operation: 32-22=10, Resulting Numbers: [46, 10] Generated Node #0,1,2: 43:[46, 10] Operation: 32-22=10 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 43:[46, 54], Operations: ['91-69=22', '32+22=54'] Exploring Operation: 46+54=100, Resulting Numbers: [100] 100,43 unequal: No Solution Exploring Operation: 54-46=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 46*54=2484, Resulting Numbers: [2484] 2484,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[32, 24], Operations: ['91-69=22', '46-22=24'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,43 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 43:[46, 10], Operations: ['91-69=22', '32-22=10'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,43 unequal: No Solution Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,43 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: 43:[32, 69, 45], Operations: ['91-46=45'] Exploring Operation: 45-32=13, Resulting Numbers: [69, 13] Generated Node #0,0,0: 43:[69, 13] Operation: 45-32=13 Exploring Operation: 69-32=37, Resulting Numbers: [45, 37] Generated Node #0,0,1: 43:[45, 37] Operation: 69-32=37 Exploring Operation: 69-45=24, Resulting Numbers: [32, 24] Generated Node #0,0,2: 43:[32, 24] Operation: 69-45=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 43:[45, 37], Operations: ['91-46=45', '69-32=37'] Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 45*37=1665, Resulting Numbers: [1665] 1665,43 unequal: No Solution Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 43:[32, 24], Operations: ['91-46=45', '69-45=24'] Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,43 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,43 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[69, 13], Operations: ['91-46=45', '45-32=13'] Exploring Operation: 69+13=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 69*13=897, Resulting Numbers: [897] 897,43 unequal: No Solution Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,43 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: 43:[69, 46, 59], Operations: ['91-32=59'] Exploring Operation: 59-46=13, Resulting Numbers: [69, 13] Generated Node #0,2,0: 43:[69, 13] Operation: 59-46=13 Exploring Operation: 69-46=23, Resulting Numbers: [59, 23] Generated Node #0,2,1: 43:[59, 23] Operation: 69-46=23 Exploring Operation: 69-59=10, Resulting Numbers: [46, 10] Generated Node #0,2,2: 43:[46, 10] Operation: 69-59=10 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 43:[59, 23], Operations: ['91-32=59', '69-46=23'] Exploring Operation: 59*23=1357, Resulting Numbers: [1357] 1357,43 unequal: No Solution Exploring Operation: 59-23=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 59+23=82, Resulting Numbers: [82] 82,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 43:[46, 10], Operations: ['91-32=59', '69-59=10'] Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,43 unequal: No Solution Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,43 unequal: No Solution Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 43:[69, 13], Operations: ['91-32=59', '59-46=13'] Exploring Operation: 69+13=82, Resulting Numbers: [82] 82,43 unequal: No Solution Exploring Operation: 69*13=897, Resulting Numbers: [897] 897,43 unequal: No Solution Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,43 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
[ 55, 10, 87, 70 ]
63
[ "70-55=15", "10*15=150", "150-87=63" ]
Current State: 63:[55, 10, 87, 70], Operations: [] Exploring Operation: 70-55=15, Resulting Numbers: [10, 87, 15] Generated Node #2: [10, 87, 15] from Operation: 70-55=15 Current State: 63:[10, 87, 15], Operations: ['70-55=15'] Exploring Operation: 10*15=150, Resulting Numbers: [87, 150] Generated Node #3: [87, 150] from Operation: 10*15=150 Current State: 63:[87, 150], Operations: ['70-55=15', '10*15=150'] Exploring Operation: 150-87=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[55, 10, 87, 70], Operations: [] Exploring Operation: 70/10=7, Resulting Numbers: [55, 87, 7] Generated Node #0,0: 63:[55, 87, 7] Operation: 70/10=7 Exploring Operation: 87-70=17, Resulting Numbers: [55, 10, 17] Generated Node #0,1: 63:[55, 10, 17] Operation: 87-70=17 Exploring Operation: 87-55=32, Resulting Numbers: [10, 70, 32] Generated Node #0,2: 63:[10, 70, 32] Operation: 87-55=32 Exploring Operation: 70-55=15, Resulting Numbers: [10, 87, 15] Generated Node #0,3: 63:[10, 87, 15] Operation: 70-55=15 Exploring Operation: 87-10=77, Resulting Numbers: [55, 70, 77] Generated Node #0,4: 63:[55, 70, 77] Operation: 87-10=77 Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[55, 10, 17], Operations: ['87-70=17'] Exploring Operation: 10+17=27, Resulting Numbers: [55, 27] Generated Node #0,1,0: 63:[55, 27] Operation: 10+17=27 Exploring Operation: 55+10=65, Resulting Numbers: [17, 65] Generated Node #0,1,1: 63:[17, 65] Operation: 55+10=65 Exploring Operation: 17-10=7, Resulting Numbers: [55, 7] Generated Node #0,1,2: 63:[55, 7] Operation: 17-10=7 Exploring Operation: 55-17=38, Resulting Numbers: [10, 38] Generated Node #0,1,3: 63:[10, 38] Operation: 55-17=38 Exploring Operation: 55+17=72, Resulting Numbers: [10, 72] Generated Node #0,1,4: 63:[10, 72] Operation: 55+17=72 Moving to Node #0,1,1 Current State: 63:[17, 65], Operations: ['87-70=17', '55+10=65'] Exploring Operation: 17+65=82, Resulting Numbers: [82] 82,63 unequal: No Solution Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 17*65=1105, Resulting Numbers: [1105] 1105,63 unequal: No Solution Moving to Node #0,1,2 Current State: 63:[55, 7], Operations: ['87-70=17', '17-10=7'] Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 55*7=385, Resulting Numbers: [385] 385,63 unequal: No Solution Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,63 unequal: No Solution Moving to Node #0,1,4 Current State: 63:[10, 72], Operations: ['87-70=17', '55+17=72'] Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 10+72=82, Resulting Numbers: [82] 82,63 unequal: No Solution Exploring Operation: 10*72=720, Resulting Numbers: [720] 720,63 unequal: No Solution Moving to Node #0,1,0 Current State: 63:[55, 27], Operations: ['87-70=17', '10+17=27'] Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,63 unequal: No Solution Exploring Operation: 55+27=82, Resulting Numbers: [82] 82,63 unequal: No Solution Exploring Operation: 55*27=1485, Resulting Numbers: [1485] 1485,63 unequal: No Solution Moving to Node #0,1,3 Current State: 63:[10, 38], Operations: ['87-70=17', '55-17=38'] Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,63 unequal: No Solution Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,63 unequal: No Solution Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[10, 70, 32], Operations: ['87-55=32'] Exploring Operation: 70-32=38, Resulting Numbers: [10, 38] Generated Node #0,2,0: 63:[10, 38] Operation: 70-32=38 Exploring Operation: 70-10=60, Resulting Numbers: [32, 60] Generated Node #0,2,1: 63:[32, 60] Operation: 70-10=60 Exploring Operation: 10+70=80, Resulting Numbers: [32, 80] Generated Node #0,2,2: 63:[32, 80] Operation: 10+70=80 Exploring Operation: 32-10=22, Resulting Numbers: [70, 22] Generated Node #0,2,3: 63:[70, 22] Operation: 32-10=22 Exploring Operation: 70/10=7, Resulting Numbers: [32, 7] Generated Node #0,2,4: 63:[32, 7] Operation: 70/10=7 Moving to Node #0,2,3 Current State: 63:[70, 22], Operations: ['87-55=32', '32-10=22'] Exploring Operation: 70+22=92, Resulting Numbers: [92] 92,63 unequal: No Solution Exploring Operation: 70-22=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 70*22=1540, Resulting Numbers: [1540] 1540,63 unequal: No Solution Moving to Node #0,2,4 Current State: 63:[32, 7], Operations: ['87-55=32', '70/10=7'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,63 unequal: No Solution Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,63 unequal: No Solution Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,63 unequal: No Solution Moving to Node #0,2,1 Current State: 63:[32, 60], Operations: ['87-55=32', '70-10=60'] Exploring Operation: 60-32=28, Resulting Numbers: [28] 28,63 unequal: No Solution Exploring Operation: 32*60=1920, Resulting Numbers: [1920] 1920,63 unequal: No Solution Exploring Operation: 32+60=92, Resulting Numbers: [92] 92,63 unequal: No Solution Moving to Node #0,2,0 Current State: 63:[10, 38], Operations: ['87-55=32', '70-32=38'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,63 unequal: No Solution Exploring Operation: 10+38=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 10*38=380, Resulting Numbers: [380] 380,63 unequal: No Solution Moving to Node #0,2,2 Current State: 63:[32, 80], Operations: ['87-55=32', '10+70=80'] Exploring Operation: 80-32=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 32+80=112, Resulting Numbers: [112] 112,63 unequal: No Solution Exploring Operation: 32*80=2560, Resulting Numbers: [2560] 2560,63 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 #0,4 Current State: 63:[55, 70, 77], Operations: ['87-10=77'] Exploring Operation: 77-55=22, Resulting Numbers: [70, 22] Generated Node #0,4,0: 63:[70, 22] Operation: 77-55=22 Exploring Operation: 55+70=125, Resulting Numbers: [77, 125] Generated Node #0,4,1: 63:[77, 125] Operation: 55+70=125 Exploring Operation: 77-70=7, Resulting Numbers: [55, 7] Generated Node #0,4,2: 63:[55, 7] Operation: 77-70=7 Exploring Operation: 70-55=15, Resulting Numbers: [77, 15] Generated Node #0,4,3: 63:[77, 15] Operation: 70-55=15 Exploring Operation: 55+77=132, Resulting Numbers: [70, 132] Generated Node #0,4,4: 63:[70, 132] Operation: 55+77=132 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 63:[70, 22], Operations: ['87-10=77', '77-55=22'] Exploring Operation: 70+22=92, Resulting Numbers: [92] 92,63 unequal: No Solution Exploring Operation: 70-22=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 70*22=1540, Resulting Numbers: [1540] 1540,63 unequal: No Solution No 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: 63:[55, 7], Operations: ['87-10=77', '77-70=7'] Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 55*7=385, Resulting Numbers: [385] 385,63 unequal: No Solution No 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: 63:[77, 15], Operations: ['87-10=77', '70-55=15'] Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 77*15=1155, Resulting Numbers: [1155] 1155,63 unequal: No Solution Exploring Operation: 77+15=92, Resulting Numbers: [92] 92,63 unequal: No Solution No 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: 63:[77, 125], Operations: ['87-10=77', '55+70=125'] Exploring Operation: 125-77=48, Resulting Numbers: [48] 48,63 unequal: No Solution Exploring Operation: 77+125=202, Resulting Numbers: [202] 202,63 unequal: No Solution Exploring Operation: 77*125=9625, Resulting Numbers: [9625] 9625,63 unequal: No Solution No 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: 63:[70, 132], Operations: ['87-10=77', '55+77=132'] Exploring Operation: 132-70=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 70+132=202, Resulting Numbers: [202] 202,63 unequal: No Solution Exploring Operation: 70*132=9240, Resulting Numbers: [9240] 9240,63 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: 63:[10, 87, 15], Operations: ['70-55=15'] Exploring Operation: 10+15=25, Resulting Numbers: [87, 25] Generated Node #0,3,0: 63:[87, 25] Operation: 10+15=25 Exploring Operation: 87-15=72, Resulting Numbers: [10, 72] Generated Node #0,3,1: 63:[10, 72] Operation: 87-15=72 Exploring Operation: 10+87=97, Resulting Numbers: [15, 97] Generated Node #0,3,2: 63:[15, 97] Operation: 10+87=97 Exploring Operation: 87-10=77, Resulting Numbers: [15, 77] Generated Node #0,3,3: 63:[15, 77] Operation: 87-10=77 Exploring Operation: 15-10=5, Resulting Numbers: [87, 5] Generated Node #0,3,4: 63:[87, 5] Operation: 15-10=5 Moving to Node #0,3,1 Current State: 63:[10, 72], Operations: ['70-55=15', '87-15=72'] Exploring Operation: 10+72=82, Resulting Numbers: [82] 82,63 unequal: No Solution Exploring Operation: 10*72=720, Resulting Numbers: [720] 720,63 unequal: No Solution Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,63 unequal: No Solution Moving to Node #0,3,3 Current State: 63:[15, 77], Operations: ['70-55=15', '87-10=77'] Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 15*77=1155, Resulting Numbers: [1155] 1155,63 unequal: No Solution Exploring Operation: 15+77=92, Resulting Numbers: [92] 92,63 unequal: No Solution Moving to Node #0,3,4 Current State: 63:[87, 5], Operations: ['70-55=15', '15-10=5'] Exploring Operation: 87+5=92, Resulting Numbers: [92] 92,63 unequal: No Solution Exploring Operation: 87-5=82, Resulting Numbers: [82] 82,63 unequal: No Solution Exploring Operation: 87*5=435, Resulting Numbers: [435] 435,63 unequal: No Solution Moving to Node #0,3,0 Current State: 63:[87, 25], Operations: ['70-55=15', '10+15=25'] Exploring Operation: 87*25=2175, Resulting Numbers: [2175] 2175,63 unequal: No Solution Exploring Operation: 87-25=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 87+25=112, Resulting Numbers: [112] 112,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[15, 97], Operations: ['70-55=15', '10+87=97'] Exploring Operation: 15*97=1455, Resulting Numbers: [1455] 1455,63 unequal: No Solution Exploring Operation: 97-15=82, Resulting Numbers: [82] 82,63 unequal: No Solution Exploring Operation: 15+97=112, Resulting Numbers: [112] 112,63 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 Current State: 63:[55, 87, 7], Operations: ['70/10=7'] Exploring Operation: 87-55=32, Resulting Numbers: [7, 32] Generated Node #0,0,0: 63:[7, 32] Operation: 87-55=32 Exploring Operation: 55+7=62, Resulting Numbers: [87, 62] Generated Node #0,0,1: 63:[87, 62] Operation: 55+7=62 Exploring Operation: 87-7=80, Resulting Numbers: [55, 80] Generated Node #0,0,2: 63:[55, 80] Operation: 87-7=80 Exploring Operation: 87+7=94, Resulting Numbers: [55, 94] Generated Node #0,0,3: 63:[55, 94] Operation: 87+7=94 Exploring Operation: 55-7=48, Resulting Numbers: [87, 48] Generated Node #0,0,4: 63:[87, 48] Operation: 55-7=48 Moving to Node #0,0,0 Current State: 63:[7, 32], Operations: ['70/10=7', '87-55=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,63 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,63 unequal: No Solution Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,63 unequal: No Solution Moving to Node #0,0,2 Current State: 63:[55, 80], Operations: ['70/10=7', '87-7=80'] Exploring Operation: 80-55=25, Resulting Numbers: [25] 25,63 unequal: No Solution Exploring Operation: 55+80=135, Resulting Numbers: [135] 135,63 unequal: No Solution Exploring Operation: 55*80=4400, Resulting Numbers: [4400] 4400,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[87, 62], Operations: ['70/10=7', '55+7=62'] Exploring Operation: 87*62=5394, Resulting Numbers: [5394] 5394,63 unequal: No Solution Exploring Operation: 87-62=25, Resulting Numbers: [25] 25,63 unequal: No Solution Exploring Operation: 87+62=149, Resulting Numbers: [149] 149,63 unequal: No Solution Moving to Node #0,0,3 Current State: 63:[55, 94], Operations: ['70/10=7', '87+7=94'] Exploring Operation: 55*94=5170, Resulting Numbers: [5170] 5170,63 unequal: No Solution Exploring Operation: 94-55=39, Resulting Numbers: [39] 39,63 unequal: No Solution Exploring Operation: 55+94=149, Resulting Numbers: [149] 149,63 unequal: No Solution Moving to Node #0,0,4 Current State: 63:[87, 48], Operations: ['70/10=7', '55-7=48'] Exploring Operation: 87-48=39, Resulting Numbers: [39] 39,63 unequal: No Solution Exploring Operation: 87+48=135, Resulting Numbers: [135] 135,63 unequal: No Solution Exploring Operation: 87*48=4176, Resulting Numbers: [4176] 4176,63 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
[ 32, 13, 29, 69 ]
36
[ "32-29=3", "69/3=23", "13+23=36" ]
Current State: 36:[32, 13, 29, 69], Operations: [] Exploring Operation: 32-29=3, Resulting Numbers: [13, 69, 3] Generated Node #2: [13, 69, 3] from Operation: 32-29=3 Current State: 36:[13, 69, 3], Operations: ['32-29=3'] Exploring Operation: 69/3=23, Resulting Numbers: [13, 23] Generated Node #3: [13, 23] from Operation: 69/3=23 Current State: 36:[13, 23], Operations: ['32-29=3', '69/3=23'] Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[32, 13, 29, 69], Operations: [] Exploring Operation: 69-32=37, Resulting Numbers: [13, 29, 37] Generated Node #0,0: 36:[13, 29, 37] Operation: 69-32=37 Exploring Operation: 32-29=3, Resulting Numbers: [13, 69, 3] Generated Node #0,1: 36:[13, 69, 3] Operation: 32-29=3 Exploring Operation: 69-29=40, Resulting Numbers: [32, 13, 40] Generated Node #0,2: 36:[32, 13, 40] Operation: 69-29=40 Exploring Operation: 69-13=56, Resulting Numbers: [32, 29, 56] Generated Node #0,3: 36:[32, 29, 56] Operation: 69-13=56 Moving to Node #0,0 Current State: 36:[13, 29, 37], Operations: ['69-32=37'] Exploring Operation: 29-13=16, Resulting Numbers: [37, 16] Generated Node #0,0,0: 36:[37, 16] Operation: 29-13=16 Exploring Operation: 37-13=24, Resulting Numbers: [29, 24] Generated Node #0,0,1: 36:[29, 24] Operation: 37-13=24 Exploring Operation: 37-29=8, Resulting Numbers: [13, 8] Generated Node #0,0,2: 36:[13, 8] Operation: 37-29=8 Exploring Operation: 13+29=42, Resulting Numbers: [37, 42] Generated Node #0,0,3: 36:[37, 42] Operation: 13+29=42 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 36:[13, 8], Operations: ['69-32=37', '37-29=8'] Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,36 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[37, 16], Operations: ['69-32=37', '29-13=16'] Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 37+16=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 37*16=592, Resulting Numbers: [592] 592,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 36:[37, 42], Operations: ['69-32=37', '13+29=42'] Exploring Operation: 42-37=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 37+42=79, Resulting Numbers: [79] 79,36 unequal: No Solution Exploring Operation: 37*42=1554, Resulting Numbers: [1554] 1554,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[29, 24], Operations: ['69-32=37', '37-13=24'] Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 29*24=696, Resulting Numbers: [696] 696,36 unequal: No Solution Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,36 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: 36:[32, 13, 40], Operations: ['69-29=40'] Exploring Operation: 40-13=27, Resulting Numbers: [32, 27] Generated Node #0,2,0: 36:[32, 27] Operation: 40-13=27 Exploring Operation: 32+13=45, Resulting Numbers: [40, 45] Generated Node #0,2,1: 36:[40, 45] Operation: 32+13=45 Exploring Operation: 40-32=8, Resulting Numbers: [13, 8] Generated Node #0,2,2: 36:[13, 8] Operation: 40-32=8 Exploring Operation: 32-13=19, Resulting Numbers: [40, 19] Generated Node #0,2,3: 36:[40, 19] Operation: 32-13=19 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 36:[13, 8], Operations: ['69-29=40', '40-32=8'] Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,36 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,36 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 #0,2,3 Current State: 36:[40, 19], Operations: ['69-29=40', '32-13=19'] Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 40*19=760, Resulting Numbers: [760] 760,36 unequal: No Solution Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,36 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:[32, 27], Operations: ['69-29=40', '40-13=27'] Exploring Operation: 32+27=59, Resulting Numbers: [59] 59,36 unequal: No Solution Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 32*27=864, Resulting Numbers: [864] 864,36 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:[40, 45], Operations: ['69-29=40', '32+13=45'] Exploring Operation: 45-40=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 40*45=1800, Resulting Numbers: [1800] 1800,36 unequal: No Solution Exploring Operation: 40+45=85, Resulting Numbers: [85] 85,36 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: 36:[32, 29, 56], Operations: ['69-13=56'] Exploring Operation: 56-29=27, Resulting Numbers: [32, 27] Generated Node #0,3,0: 36:[32, 27] Operation: 56-29=27 Exploring Operation: 32-29=3, Resulting Numbers: [56, 3] Generated Node #0,3,1: 36:[56, 3] Operation: 32-29=3 Exploring Operation: 56-32=24, Resulting Numbers: [29, 24] Generated Node #0,3,2: 36:[29, 24] Operation: 56-32=24 Exploring Operation: 32+29=61, Resulting Numbers: [56, 61] Generated Node #0,3,3: 36:[56, 61] Operation: 32+29=61 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 36:[32, 27], Operations: ['69-13=56', '56-29=27'] Exploring Operation: 32+27=59, Resulting Numbers: [59] 59,36 unequal: No Solution Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 32*27=864, Resulting Numbers: [864] 864,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 36:[29, 24], Operations: ['69-13=56', '56-32=24'] Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 29*24=696, Resulting Numbers: [696] 696,36 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 36:[56, 3], Operations: ['69-13=56', '32-29=3'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,36 unequal: No Solution Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 36:[56, 61], Operations: ['69-13=56', '32+29=61'] Exploring Operation: 56+61=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 56*61=3416, Resulting Numbers: [3416] 3416,36 unequal: No Solution Exploring Operation: 61-56=5, Resulting Numbers: [5] 5,36 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:[13, 69, 3], Operations: ['32-29=3'] Exploring Operation: 13-3=10, Resulting Numbers: [69, 10] Generated Node #0,1,0: 36:[69, 10] Operation: 13-3=10 Exploring Operation: 69-3=66, Resulting Numbers: [13, 66] Generated Node #0,1,1: 36:[13, 66] Operation: 69-3=66 Exploring Operation: 69-13=56, Resulting Numbers: [3, 56] Generated Node #0,1,2: 36:[3, 56] Operation: 69-13=56 Exploring Operation: 69/3=23, Resulting Numbers: [13, 23] Generated Node #0,1,3: 36:[13, 23] Operation: 69/3=23 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 36:[13, 23], Operations: ['32-29=3', '69/3=23'] Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[32, 13, 29, 69], Operations: [] Exploring Operation: 32-29=3, Resulting Numbers: [13, 69, 3] Generated Node #0,1: 36:[13, 69, 3] Operation: 32-29=3 Moving to Node #0,1 Current State: 36:[13, 69, 3], Operations: ['32-29=3'] Exploring Operation: 69/3=23, Resulting Numbers: [13, 23] Generated Node #0,1,3: 36:[13, 23] Operation: 69/3=23 Moving to Node #0,1,3 Current State: 36:[13, 23], Operations: ['32-29=3', '69/3=23'] Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.947049
hs_4
mult_heuristic
[ 44, 77, 44, 55 ]
47
[ "77+55=132", "132/44=3", "44+3=47" ]
Current State: 47:[44, 77, 44, 55], Operations: [] Exploring Operation: 77+55=132, Resulting Numbers: [44, 44, 132] Generated Node #2: [44, 44, 132] from Operation: 77+55=132 Current State: 47:[44, 44, 132], Operations: ['77+55=132'] Exploring Operation: 132/44=3, Resulting Numbers: [3] 3,47 equal: Goal Reached Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[44, 77, 44, 55], Operations: [] Exploring Operation: 77-44=33, Resulting Numbers: [44, 55, 33] Generated Node #0,0: 47:[44, 55, 33] Operation: 77-44=33 Moving to Node #0,0 Current State: 47:[44, 55, 33], Operations: ['77-44=33'] Exploring Operation: 55-33=22, Resulting Numbers: [44, 22] Generated Node #0,0,0: 47:[44, 22] Operation: 55-33=22 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[44, 22], Operations: ['77-44=33', '55-33=22'] Exploring Operation: 44+22=66, Resulting Numbers: [66] 66,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 26, 17, 69, 97 ]
99
[ "69-17=52", "52/26=2", "97+2=99" ]
Current State: 99:[26, 17, 69, 97], Operations: [] Exploring Operation: 69-17=52, Resulting Numbers: [26, 97, 52] Generated Node #2: [26, 97, 52] from Operation: 69-17=52 Current State: 99:[26, 97, 52], Operations: ['69-17=52'] Exploring Operation: 52/26=2, Resulting Numbers: [97, 2] Generated Node #3: [97, 2] from Operation: 52/26=2 Current State: 99:[97, 2], Operations: ['69-17=52', '52/26=2'] Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[26, 17, 69, 97], Operations: [] Exploring Operation: 69-26=43, Resulting Numbers: [17, 97, 43] Generated Node #0,0: 99:[17, 97, 43] Operation: 69-26=43 Exploring Operation: 97-69=28, Resulting Numbers: [26, 17, 28] Generated Node #0,1: 99:[26, 17, 28] Operation: 97-69=28 Exploring Operation: 26+69=95, Resulting Numbers: [17, 97, 95] Generated Node #0,2: 99:[17, 97, 95] Operation: 26+69=95 Moving to Node #0,2 Current State: 99:[17, 97, 95], Operations: ['26+69=95'] Exploring Operation: 17+95=112, Resulting Numbers: [97, 112] Generated Node #0,2,0: 99:[97, 112] Operation: 17+95=112 Exploring Operation: 17+97=114, Resulting Numbers: [95, 114] Generated Node #0,2,1: 99:[95, 114] Operation: 17+97=114 Exploring Operation: 97-95=2, Resulting Numbers: [17, 2] Generated Node #0,2,2: 99:[17, 2] Operation: 97-95=2 Moving to Node #0,0 Current State: 99:[17, 97, 43], Operations: ['69-26=43'] Exploring Operation: 17+97=114, Resulting Numbers: [43, 114] Generated Node #0,0,0: 99:[43, 114] Operation: 17+97=114 Exploring Operation: 43-17=26, Resulting Numbers: [97, 26] Generated Node #0,0,1: 99:[97, 26] Operation: 43-17=26 Exploring Operation: 97-43=54, Resulting Numbers: [17, 54] Generated Node #0,0,2: 99:[17, 54] Operation: 97-43=54 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[97, 26], Operations: ['69-26=43', '43-17=26'] Exploring Operation: 97-26=71, Resulting Numbers: [71] 71,99 unequal: No Solution Exploring Operation: 97+26=123, Resulting Numbers: [123] 123,99 unequal: No Solution Exploring Operation: 97*26=2522, Resulting Numbers: [2522] 2522,99 unequal: No Solution No 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: 99:[43, 114], Operations: ['69-26=43', '17+97=114'] Exploring Operation: 43+114=157, Resulting Numbers: [157] 157,99 unequal: No Solution Exploring Operation: 43*114=4902, Resulting Numbers: [4902] 4902,99 unequal: No Solution Exploring Operation: 114-43=71, Resulting Numbers: [71] 71,99 unequal: No Solution No 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: 99:[17, 54], Operations: ['69-26=43', '97-43=54'] Exploring Operation: 17*54=918, Resulting Numbers: [918] 918,99 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 17+54=71, Resulting Numbers: [71] 71,99 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: 99:[26, 17, 28], Operations: ['97-69=28'] Exploring Operation: 26-17=9, Resulting Numbers: [28, 9] Generated Node #0,1,0: 99:[28, 9] Operation: 26-17=9 Exploring Operation: 28-17=11, Resulting Numbers: [26, 11] Generated Node #0,1,1: 99:[26, 11] Operation: 28-17=11 Exploring Operation: 28-26=2, Resulting Numbers: [17, 2] Generated Node #0,1,2: 99:[17, 2] Operation: 28-26=2 Moving to Node #0,1,0 Current State: 99:[28, 9], Operations: ['97-69=28', '26-17=9'] Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,99 unequal: No Solution Moving to Node #0,1,2 Current State: 99:[17, 2], Operations: ['97-69=28', '28-26=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,99 unequal: No Solution Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,99 unequal: No Solution Moving to Node #0,2,2 Current State: 99:[17, 2], Operations: ['26+69=95', '97-95=2'] Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,99 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,99 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,99 unequal: No Solution Moving to Node #0,1,1 Current State: 99:[26, 11], Operations: ['97-69=28', '28-17=11'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,99 unequal: No Solution Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 26*11=286, Resulting Numbers: [286] 286,99 unequal: No Solution Moving to Node #0,2,0 Current State: 99:[97, 112], Operations: ['26+69=95', '17+95=112'] Exploring Operation: 97*112=10864, Resulting Numbers: [10864] 10864,99 unequal: No Solution Exploring Operation: 112-97=15, Resulting Numbers: [15] 15,99 unequal: No Solution Exploring Operation: 97+112=209, Resulting Numbers: [209] 209,99 unequal: No Solution Moving to Node #0,2,1 Current State: 99:[95, 114], Operations: ['26+69=95', '17+97=114'] Exploring Operation: 114-95=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 95*114=10830, Resulting Numbers: [10830] 10830,99 unequal: No Solution Exploring Operation: 95+114=209, Resulting Numbers: [209] 209,99 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 69, 63, 98, 76 ]
23
[ "76-69=7", "63+98=161", "161/7=23" ]
Current State: 23:[69, 63, 98, 76], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [63, 98, 7] Generated Node #2: [63, 98, 7] from Operation: 76-69=7 Current State: 23:[63, 98, 7], Operations: ['76-69=7'] Exploring Operation: 63+98=161, Resulting Numbers: [7, 161] Generated Node #3: [7, 161] from Operation: 63+98=161 Current State: 23:[7, 161], Operations: ['76-69=7', '63+98=161'] Exploring Operation: 161/7=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[69, 63, 98, 76], Operations: [] Exploring Operation: 98-76=22, Resulting Numbers: [69, 63, 22] Generated Node #0,0: 23:[69, 63, 22] Operation: 98-76=22 Exploring Operation: 98-69=29, Resulting Numbers: [63, 76, 29] Generated Node #0,1: 23:[63, 76, 29] Operation: 98-69=29 Moving to Node #0,0 Current State: 23:[69, 63, 22], Operations: ['98-76=22'] Exploring Operation: 69-22=47, Resulting Numbers: [63, 47] Generated Node #0,0,0: 23:[63, 47] Operation: 69-22=47 Exploring Operation: 69-63=6, Resulting Numbers: [22, 6] Generated Node #0,0,1: 23:[22, 6] Operation: 69-63=6 Moving to Node #0,1 Current State: 23:[63, 76, 29], Operations: ['98-69=29'] Exploring Operation: 76-63=13, Resulting Numbers: [29, 13] Generated Node #0,1,0: 23:[29, 13] Operation: 76-63=13 Exploring Operation: 63-29=34, Resulting Numbers: [76, 34] Generated Node #0,1,1: 23:[76, 34] Operation: 63-29=34 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[29, 13], Operations: ['98-69=29', '76-63=13'] Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 29+13=42, Resulting Numbers: [42] 42,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[76, 34], Operations: ['98-69=29', '63-29=34'] Exploring Operation: 76-34=42, Resulting Numbers: [42] 42,23 unequal: No Solution Exploring Operation: 76+34=110, Resulting Numbers: [110] 110,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 23:[22, 6], Operations: ['98-76=22', '69-63=6'] Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[63, 47], Operations: ['98-76=22', '69-22=47'] Exploring Operation: 63-47=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 63+47=110, Resulting Numbers: [110] 110,23 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 44, 47, 27, 98 ]
89
[ "47-44=3", "27/3=9", "98-9=89" ]
Current State: 89:[44, 47, 27, 98], Operations: [] Exploring Operation: 47-44=3, Resulting Numbers: [27, 98, 3] Generated Node #2: [27, 98, 3] from Operation: 47-44=3 Current State: 89:[27, 98, 3], Operations: ['47-44=3'] Exploring Operation: 27/3=9, Resulting Numbers: [98, 9] Generated Node #3: [98, 9] from Operation: 27/3=9 Current State: 89:[98, 9], Operations: ['47-44=3', '27/3=9'] Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[44, 47, 27, 98], Operations: [] Exploring Operation: 44+27=71, Resulting Numbers: [47, 98, 71] Generated Node #0,0: 89:[47, 98, 71] Operation: 44+27=71 Moving to Node #0,0 Current State: 89:[47, 98, 71], Operations: ['44+27=71'] Exploring Operation: 47+71=118, Resulting Numbers: [98, 118] Generated Node #0,0,0: 89:[98, 118] Operation: 47+71=118 Moving to Node #0,0,0 Current State: 89:[98, 118], Operations: ['44+27=71', '47+71=118'] Exploring Operation: 118-98=20, Resulting Numbers: [20] 20,89 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 67, 33, 33, 53 ]
52
[ "67-33=34", "33+53=86", "86-34=52" ]
Current State: 52:[67, 33, 33, 53], Operations: [] Exploring Operation: 67-33=34, Resulting Numbers: [53, 34] Generated Node #2: [53, 34] from Operation: 67-33=34 Current State: 52:[53, 34], Operations: ['67-33=34'] Exploring Operation: 33+53=86, Resulting Numbers: [34, 86] Generated Node #3: [34, 86] from Operation: 33+53=86 Current State: 52:[34, 86], Operations: ['67-33=34', '33+53=86'] Exploring Operation: 86-34=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[67, 33, 33, 53], Operations: [] Exploring Operation: 67-53=14, Resulting Numbers: [33, 33, 14] Generated Node #0,0: 52:[33, 33, 14] Operation: 67-53=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[33, 33, 14], Operations: ['67-53=14'] Exploring Operation: 33/33=1, Resulting Numbers: [14, 1] Generated Node #0,0,0: 52:[14, 1] Operation: 33/33=1 Moving to Node #0,0,0 Current State: 52:[14, 1], Operations: ['67-53=14', '33/33=1'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,52 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
[ 74, 92, 91, 75 ]
62
[ "74*75=5550", "92+5550=5642", "5642/91=62" ]
Current State: 62:[74, 92, 91, 75], Operations: [] Exploring Operation: 74*75=5550, Resulting Numbers: [92, 91, 5550] Generated Node #2: [92, 91, 5550] from Operation: 74*75=5550 Current State: 62:[92, 91, 5550], Operations: ['74*75=5550'] Exploring Operation: 92+5550=5642, Resulting Numbers: [91, 5642] Generated Node #3: [91, 5642] from Operation: 92+5550=5642 Current State: 62:[91, 5642], Operations: ['74*75=5550', '92+5550=5642'] Exploring Operation: 5642/91=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[74, 92, 91, 75], Operations: [] Exploring Operation: 92-91=1, Resulting Numbers: [74, 75, 1] Generated Node #0,0: 62:[74, 75, 1] Operation: 92-91=1 Exploring Operation: 92-74=18, Resulting Numbers: [91, 75, 18] Generated Node #0,1: 62:[91, 75, 18] Operation: 92-74=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[74, 75, 1], Operations: ['92-91=1'] Exploring Operation: 75-74=1, Resulting Numbers: [1, 1] Generated Node #0,0,0: 62:[1, 1] Operation: 75-74=1 Exploring Operation: 74-1=73, Resulting Numbers: [75, 73] Generated Node #0,0,1: 62:[75, 73] Operation: 74-1=73 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 62:[1, 1], Operations: ['92-91=1', '75-74=1'] Exploring Operation: 1+1=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 1*1=1, Resulting Numbers: [1] 1,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 62:[75, 73], Operations: ['92-91=1', '74-1=73'] Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 75+73=148, Resulting Numbers: [148] 148,62 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: 62:[91, 75, 18], Operations: ['92-74=18'] Exploring Operation: 91-18=73, Resulting Numbers: [75, 73] Generated Node #0,1,0: 62:[75, 73] Operation: 91-18=73 Exploring Operation: 91-75=16, Resulting Numbers: [18, 16] Generated Node #0,1,1: 62:[18, 16] Operation: 91-75=16 Moving to Node #0,1,0 Current State: 62:[75, 73], Operations: ['92-74=18', '91-18=73'] Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 75+73=148, Resulting Numbers: [148] 148,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[18, 16], Operations: ['92-74=18', '91-75=16'] Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,62 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, 8, 13, 20 ]
19
[ "13+20=33", "33/3=11", "8+11=19" ]
Current State: 19:[3, 8, 13, 20], Operations: [] Exploring Operation: 13+20=33, Resulting Numbers: [3, 8, 33] Generated Node #2: [3, 8, 33] from Operation: 13+20=33 Current State: 19:[3, 8, 33], Operations: ['13+20=33'] Exploring Operation: 33/3=11, Resulting Numbers: [8, 11] Generated Node #3: [8, 11] from Operation: 33/3=11 Current State: 19:[8, 11], Operations: ['13+20=33', '33/3=11'] Exploring Operation: 8+11=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[3, 8, 13, 20], Operations: [] Exploring Operation: 3+13=16, Resulting Numbers: [8, 20, 16] Generated Node #0,0: 19:[8, 20, 16] Operation: 3+13=16 Exploring Operation: 20-3=17, Resulting Numbers: [8, 13, 17] Generated Node #0,1: 19:[8, 13, 17] Operation: 20-3=17 Exploring Operation: 3+8=11, Resulting Numbers: [13, 20, 11] Generated Node #0,2: 19:[13, 20, 11] Operation: 3+8=11 Exploring Operation: 3*8=24, Resulting Numbers: [13, 20, 24] Generated Node #0,3: 19:[13, 20, 24] Operation: 3*8=24 Moving to Node #0,3 Current State: 19:[13, 20, 24], Operations: ['3*8=24'] Exploring Operation: 24-13=11, Resulting Numbers: [20, 11] Generated Node #0,3,0: 19:[20, 11] Operation: 24-13=11 Exploring Operation: 20-13=7, Resulting Numbers: [24, 7] Generated Node #0,3,1: 19:[24, 7] Operation: 20-13=7 Exploring Operation: 13+20=33, Resulting Numbers: [24, 33] Generated Node #0,3,2: 19:[24, 33] Operation: 13+20=33 Exploring Operation: 13+24=37, Resulting Numbers: [20, 37] Generated Node #0,3,3: 19:[20, 37] Operation: 13+24=37 Moving to Node #0,2 Current State: 19:[13, 20, 11], Operations: ['3+8=11'] Exploring Operation: 20+11=31, Resulting Numbers: [13, 31] Generated Node #0,2,0: 19:[13, 31] Operation: 20+11=31 Exploring Operation: 20-11=9, Resulting Numbers: [13, 9] Generated Node #0,2,1: 19:[13, 9] Operation: 20-11=9 Exploring Operation: 13-11=2, Resulting Numbers: [20, 2] Generated Node #0,2,2: 19:[20, 2] Operation: 13-11=2 Exploring Operation: 13+11=24, Resulting Numbers: [20, 24] Generated Node #0,2,3: 19:[20, 24] Operation: 13+11=24 Moving to Node #0,0 Current State: 19:[8, 20, 16], Operations: ['3+13=16'] Exploring Operation: 8+20=28, Resulting Numbers: [16, 28] Generated Node #0,0,0: 19:[16, 28] Operation: 8+20=28 Exploring Operation: 20-8=12, Resulting Numbers: [16, 12] Generated Node #0,0,1: 19:[16, 12] Operation: 20-8=12 Exploring Operation: 16-8=8, Resulting Numbers: [20, 8] Generated Node #0,0,2: 19:[20, 8] Operation: 16-8=8 Exploring Operation: 8+16=24, Resulting Numbers: [20, 24] Generated Node #0,0,3: 19:[20, 24] Operation: 8+16=24 Moving to Node #0,1 Current State: 19:[8, 13, 17], Operations: ['20-3=17'] Exploring Operation: 17-8=9, Resulting Numbers: [13, 9] Generated Node #0,1,0: 19:[13, 9] Operation: 17-8=9 Exploring Operation: 8+13=21, Resulting Numbers: [17, 21] Generated Node #0,1,1: 19:[17, 21] Operation: 8+13=21 Exploring Operation: 8+17=25, Resulting Numbers: [13, 25] Generated Node #0,1,2: 19:[13, 25] Operation: 8+17=25 Exploring Operation: 13-8=5, Resulting Numbers: [17, 5] Generated Node #0,1,3: 19:[17, 5] Operation: 13-8=5 Moving to Node #0,1,1 Current State: 19:[17, 21], Operations: ['20-3=17', '8+13=21'] Exploring Operation: 17*21=357, Resulting Numbers: [357] 357,19 unequal: No Solution Exploring Operation: 17+21=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[20, 24], Operations: ['3+8=11', '13+11=24'] Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,19 unequal: No Solution Moving to Node #0,0,3 Current State: 19:[20, 24], Operations: ['3+13=16', '8+16=24'] Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,19 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,19 unequal: No Solution Moving to Node #0,3,0 Current State: 19:[20, 11], Operations: ['3*8=24', '24-13=11'] Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,19 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[16, 12], Operations: ['3+13=16', '20-8=12'] Exploring Operation: 16*12=192, Resulting Numbers: [192] 192,19 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[13, 25], Operations: ['20-3=17', '8+17=25'] Exploring Operation: 25-13=12, Resulting Numbers: [12] 12,19 unequal: No Solution Exploring Operation: 13*25=325, Resulting Numbers: [325] 325,19 unequal: No Solution Exploring Operation: 13+25=38, Resulting Numbers: [38] 38,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[20, 8], Operations: ['3+13=16', '16-8=8'] Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,19 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,19 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[16, 28], Operations: ['3+13=16', '8+20=28'] Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,19 unequal: No Solution Exploring Operation: 16*28=448, Resulting Numbers: [448] 448,19 unequal: No Solution Exploring Operation: 16+28=44, Resulting Numbers: [44] 44,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[13, 9], Operations: ['20-3=17', '17-8=9'] Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[13, 9], Operations: ['3+8=11', '20-11=9'] Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[17, 5], Operations: ['20-3=17', '13-8=5'] Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,19 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,19 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,19 unequal: No Solution Moving to Node #0,3,1 Current State: 19:[24, 7], Operations: ['3*8=24', '20-13=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,19 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[13, 31], Operations: ['3+8=11', '20+11=31'] Exploring Operation: 13*31=403, Resulting Numbers: [403] 403,19 unequal: No Solution Exploring Operation: 31-13=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 13+31=44, Resulting Numbers: [44] 44,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[20, 2], Operations: ['3+8=11', '13-11=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,19 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,19 unequal: No Solution Moving to Node #0,3,3 Current State: 19:[20, 37], Operations: ['3*8=24', '13+24=37'] Exploring Operation: 20+37=57, Resulting Numbers: [57] 57,19 unequal: No Solution Exploring Operation: 20*37=740, Resulting Numbers: [740] 740,19 unequal: No Solution Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,19 unequal: No Solution Moving to Node #0,3,2 Current State: 19:[24, 33], Operations: ['3*8=24', '13+20=33'] Exploring Operation: 24+33=57, Resulting Numbers: [57] 57,19 unequal: No Solution Exploring Operation: 24*33=792, Resulting Numbers: [792] 792,19 unequal: No Solution Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,19 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 89, 78, 24, 75 ]
66
[ "78*75=5850", "24+5850=5874", "5874/89=66" ]
Current State: 66:[89, 78, 24, 75], Operations: [] Exploring Operation: 78*75=5850, Resulting Numbers: [89, 24, 5850] Generated Node #2: [89, 24, 5850] from Operation: 78*75=5850 Current State: 66:[89, 24, 5850], Operations: ['78*75=5850'] Exploring Operation: 24+5850=5874, Resulting Numbers: [89, 5874] Generated Node #3: [89, 5874] from Operation: 24+5850=5874 Current State: 66:[89, 5874], Operations: ['78*75=5850', '24+5850=5874'] Exploring Operation: 5874/89=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[89, 78, 24, 75], Operations: [] Exploring Operation: 89-78=11, Resulting Numbers: [24, 75, 11] Generated Node #0,0: 66:[24, 75, 11] Operation: 89-78=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[24, 75, 11], Operations: ['89-78=11'] Exploring Operation: 75-11=64, Resulting Numbers: [24, 64] Generated Node #0,0,0: 66:[24, 64] Operation: 75-11=64 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[24, 64], Operations: ['89-78=11', '75-11=64'] Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 92, 67, 69, 4 ]
86
[ "92+67=159", "69+4=73", "159-73=86" ]
Current State: 86:[92, 67, 69, 4], Operations: [] Exploring Operation: 92+67=159, Resulting Numbers: [69, 4, 159] Generated Node #2: [69, 4, 159] from Operation: 92+67=159 Current State: 86:[69, 4, 159], Operations: ['92+67=159'] Exploring Operation: 69+4=73, Resulting Numbers: [159, 73] Generated Node #3: [159, 73] from Operation: 69+4=73 Current State: 86:[159, 73], Operations: ['92+67=159', '69+4=73'] Exploring Operation: 159-73=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[92, 67, 69, 4], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [92, 4, 2] Generated Node #0,0: 86:[92, 4, 2] Operation: 69-67=2 Moving to Node #0,0 Current State: 86:[92, 4, 2], Operations: ['69-67=2'] Exploring Operation: 92-4=88, Resulting Numbers: [2, 88] Generated Node #0,0,0: 86:[2, 88] Operation: 92-4=88 Moving to Node #0,0,0 Current State: 86:[2, 88], Operations: ['69-67=2', '92-4=88'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[92, 67, 69, 4], Operations: [] Exploring Operation: 69-67=2, Resulting Numbers: [92, 4, 2] Generated Node #0,0: 86:[92, 4, 2] Operation: 69-67=2 Moving to Node #0,0 Current State: 86:[92, 4, 2], Operations: ['69-67=2'] Exploring Operation: 92-4=88, Resulting Numbers: [2, 88] Generated Node #0,0,0: 86:[2, 88] Operation: 92-4=88 Moving to Node #0,0,0 Current State: 86:[2, 88], Operations: ['69-67=2', '92-4=88'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 21, 51, 38, 6 ]
92
[ "51*38=1938", "1938-6=1932", "1932/21=92" ]
Current State: 92:[21, 51, 38, 6], Operations: [] Exploring Operation: 51*38=1938, Resulting Numbers: [21, 6, 1938] Generated Node #2: [21, 6, 1938] from Operation: 51*38=1938 Current State: 92:[21, 6, 1938], Operations: ['51*38=1938'] Exploring Operation: 1938-6=1932, Resulting Numbers: [21, 1932] Generated Node #3: [21, 1932] from Operation: 1938-6=1932 Current State: 92:[21, 1932], Operations: ['51*38=1938', '1938-6=1932'] Exploring Operation: 1932/21=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[21, 51, 38, 6], Operations: [] Exploring Operation: 51-6=45, Resulting Numbers: [21, 38, 45] Generated Node #0,0: 92:[21, 38, 45] Operation: 51-6=45 Exploring Operation: 38-21=17, Resulting Numbers: [51, 6, 17] Generated Node #0,1: 92:[51, 6, 17] Operation: 38-21=17 Exploring Operation: 38+6=44, Resulting Numbers: [21, 51, 44] Generated Node #0,2: 92:[21, 51, 44] Operation: 38+6=44 Exploring Operation: 51+38=89, Resulting Numbers: [21, 6, 89] Generated Node #0,3: 92:[21, 6, 89] Operation: 51+38=89 Moving to Node #0,3 Current State: 92:[21, 6, 89], Operations: ['51+38=89'] Exploring Operation: 6+89=95, Resulting Numbers: [21, 95] Generated Node #0,3,0: 92:[21, 95] Operation: 6+89=95 Exploring Operation: 21-6=15, Resulting Numbers: [89, 15] Generated Node #0,3,1: 92:[89, 15] Operation: 21-6=15 Exploring Operation: 21+6=27, Resulting Numbers: [89, 27] Generated Node #0,3,2: 92:[89, 27] Operation: 21+6=27 Exploring Operation: 89-6=83, Resulting Numbers: [21, 83] Generated Node #0,3,3: 92:[21, 83] Operation: 89-6=83 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 92:[21, 95], Operations: ['51+38=89', '6+89=95'] Exploring Operation: 95-21=74, Resulting Numbers: [74] 74,92 unequal: No Solution Exploring Operation: 21+95=116, Resulting Numbers: [116] 116,92 unequal: No Solution Exploring Operation: 21*95=1995, Resulting Numbers: [1995] 1995,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 92:[89, 27], Operations: ['51+38=89', '21+6=27'] Exploring Operation: 89*27=2403, Resulting Numbers: [2403] 2403,92 unequal: No Solution Exploring Operation: 89+27=116, Resulting Numbers: [116] 116,92 unequal: No Solution Exploring Operation: 89-27=62, Resulting Numbers: [62] 62,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 92:[89, 15], Operations: ['51+38=89', '21-6=15'] Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,92 unequal: No Solution Exploring Operation: 89+15=104, Resulting Numbers: [104] 104,92 unequal: No Solution Exploring Operation: 89*15=1335, Resulting Numbers: [1335] 1335,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 92:[21, 83], Operations: ['51+38=89', '89-6=83'] Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 21*83=1743, Resulting Numbers: [1743] 1743,92 unequal: No Solution Exploring Operation: 21+83=104, Resulting Numbers: [104] 104,92 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: 92:[21, 51, 44], Operations: ['38+6=44'] Exploring Operation: 51-21=30, Resulting Numbers: [44, 30] Generated Node #0,2,0: 92:[44, 30] Operation: 51-21=30 Exploring Operation: 44-21=23, Resulting Numbers: [51, 23] Generated Node #0,2,1: 92:[51, 23] Operation: 44-21=23 Exploring Operation: 51-44=7, Resulting Numbers: [21, 7] Generated Node #0,2,2: 92:[21, 7] Operation: 51-44=7 Exploring Operation: 51+44=95, Resulting Numbers: [21, 95] Generated Node #0,2,3: 92:[21, 95] Operation: 51+44=95 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[51, 23], Operations: ['38+6=44', '44-21=23'] Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 51*23=1173, Resulting Numbers: [1173] 1173,92 unequal: No Solution Exploring Operation: 51+23=74, Resulting Numbers: [74] 74,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[21, 7], Operations: ['38+6=44', '51-44=7'] Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,92 unequal: No Solution Exploring Operation: 21*7=147, Resulting Numbers: [147] 147,92 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 92:[21, 95], Operations: ['38+6=44', '51+44=95'] Exploring Operation: 21+95=116, Resulting Numbers: [116] 116,92 unequal: No Solution Exploring Operation: 21*95=1995, Resulting Numbers: [1995] 1995,92 unequal: No Solution Exploring Operation: 95-21=74, Resulting Numbers: [74] 74,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[44, 30], Operations: ['38+6=44', '51-21=30'] Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,92 unequal: No Solution Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,92 unequal: No Solution Exploring Operation: 44*30=1320, Resulting Numbers: [1320] 1320,92 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: 92:[21, 38, 45], Operations: ['51-6=45'] Exploring Operation: 38+45=83, Resulting Numbers: [21, 83] Generated Node #0,0,0: 92:[21, 83] Operation: 38+45=83 Exploring Operation: 45-21=24, Resulting Numbers: [38, 24] Generated Node #0,0,1: 92:[38, 24] Operation: 45-21=24 Exploring Operation: 45-38=7, Resulting Numbers: [21, 7] Generated Node #0,0,2: 92:[21, 7] Operation: 45-38=7 Exploring Operation: 38-21=17, Resulting Numbers: [45, 17] Generated Node #0,0,3: 92:[45, 17] Operation: 38-21=17 Moving to Node #0,1 Current State: 92:[51, 6, 17], Operations: ['38-21=17'] Exploring Operation: 17-6=11, Resulting Numbers: [51, 11] Generated Node #0,1,0: 92:[51, 11] Operation: 17-6=11 Exploring Operation: 51/17=3, Resulting Numbers: [6, 3] Generated Node #0,1,1: 92:[6, 3] Operation: 51/17=3 Exploring Operation: 51-6=45, Resulting Numbers: [17, 45] Generated Node #0,1,2: 92:[17, 45] Operation: 51-6=45 Exploring Operation: 6+17=23, Resulting Numbers: [51, 23] Generated Node #0,1,3: 92:[51, 23] Operation: 6+17=23 Moving to Node #0,1,1 Current State: 92:[6, 3], Operations: ['38-21=17', '51/17=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,92 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,92 unequal: No Solution Moving to Node #0,1,3 Current State: 92:[51, 23], Operations: ['38-21=17', '6+17=23'] Exploring Operation: 51+23=74, Resulting Numbers: [74] 74,92 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 51*23=1173, Resulting Numbers: [1173] 1173,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[21, 7], Operations: ['51-6=45', '45-38=7'] Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,92 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 21*7=147, Resulting Numbers: [147] 147,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[17, 45], Operations: ['38-21=17', '51-6=45'] Exploring Operation: 17+45=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 17*45=765, Resulting Numbers: [765] 765,92 unequal: No Solution Exploring Operation: 45-17=28, Resulting Numbers: [28] 28,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[45, 17], Operations: ['51-6=45', '38-21=17'] Exploring Operation: 45*17=765, Resulting Numbers: [765] 765,92 unequal: No Solution Exploring Operation: 45-17=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 45+17=62, Resulting Numbers: [62] 62,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[38, 24], Operations: ['51-6=45', '45-21=24'] Exploring Operation: 38*24=912, Resulting Numbers: [912] 912,92 unequal: No Solution Exploring Operation: 38+24=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 38-24=14, Resulting Numbers: [14] 14,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[21, 83], Operations: ['51-6=45', '38+45=83'] Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,92 unequal: No Solution Exploring Operation: 21*83=1743, Resulting Numbers: [1743] 1743,92 unequal: No Solution Exploring Operation: 21+83=104, Resulting Numbers: [104] 104,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[51, 11], Operations: ['38-21=17', '17-6=11'] Exploring Operation: 51*11=561, Resulting Numbers: [561] 561,92 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,92 unequal: No Solution Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,92 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 94, 3, 50, 98 ]
78
[ "98-50=48", "48/3=16", "94-16=78" ]
Current State: 78:[94, 3, 50, 98], Operations: [] Exploring Operation: 98-50=48, Resulting Numbers: [94, 3, 48] Generated Node #2: [94, 3, 48] from Operation: 98-50=48 Current State: 78:[94, 3, 48], Operations: ['98-50=48'] Exploring Operation: 48/3=16, Resulting Numbers: [94, 16] Generated Node #3: [94, 16] from Operation: 48/3=16 Current State: 78:[94, 16], Operations: ['98-50=48', '48/3=16'] Exploring Operation: 94-16=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[94, 3, 50, 98], Operations: [] Exploring Operation: 98-50=48, Resulting Numbers: [94, 3, 48] Generated Node #0,0: 78:[94, 3, 48] Operation: 98-50=48 Exploring Operation: 98-94=4, Resulting Numbers: [3, 50, 4] Generated Node #0,1: 78:[3, 50, 4] Operation: 98-94=4 Exploring Operation: 94-50=44, Resulting Numbers: [3, 98, 44] Generated Node #0,2: 78:[3, 98, 44] Operation: 94-50=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[3, 50, 4], Operations: ['98-94=4'] Exploring Operation: 50-3=47, Resulting Numbers: [4, 47] Generated Node #0,1,0: 78:[4, 47] Operation: 50-3=47 Exploring Operation: 50-4=46, Resulting Numbers: [3, 46] Generated Node #0,1,1: 78:[3, 46] Operation: 50-4=46 Exploring Operation: 3+4=7, Resulting Numbers: [50, 7] Generated Node #0,1,2: 78:[50, 7] Operation: 3+4=7 Moving to Node #0,1,1 Current State: 78:[3, 46], Operations: ['98-94=4', '50-4=46'] Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,78 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,78 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,78 unequal: No Solution Moving to Node #0,1,0 Current State: 78:[4, 47], Operations: ['98-94=4', '50-3=47'] Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,78 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,78 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,78 unequal: No Solution Moving to Node #0,1,2 Current State: 78:[50, 7], Operations: ['98-94=4', '3+4=7'] Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,78 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,78 unequal: No Solution Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[94, 3, 48], Operations: ['98-50=48'] Exploring Operation: 94-48=46, Resulting Numbers: [3, 46] Generated Node #0,0,0: 78:[3, 46] Operation: 94-48=46 Exploring Operation: 48/3=16, Resulting Numbers: [94, 16] Generated Node #0,0,1: 78:[94, 16] Operation: 48/3=16 Exploring Operation: 94-3=91, Resulting Numbers: [48, 91] Generated Node #0,0,2: 78:[48, 91] Operation: 94-3=91 Moving to Node #0,0,0 Current State: 78:[3, 46], Operations: ['98-50=48', '94-48=46'] Exploring Operation: 3*46=138, Resulting Numbers: [138] 138,78 unequal: No Solution Exploring Operation: 3+46=49, Resulting Numbers: [49] 49,78 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[94, 16], Operations: ['98-50=48', '48/3=16'] Exploring Operation: 94-16=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[94, 3, 50, 98], Operations: [] Exploring Operation: 98-50=48, Resulting Numbers: [94, 3, 48] Generated Node #0,0: 78:[94, 3, 48] Operation: 98-50=48 Moving to Node #0,0 Current State: 78:[94, 3, 48], Operations: ['98-50=48'] Exploring Operation: 48/3=16, Resulting Numbers: [94, 16] Generated Node #0,0,1: 78:[94, 16] Operation: 48/3=16 Moving to Node #0,0,1 Current State: 78:[94, 16], Operations: ['98-50=48', '48/3=16'] Exploring Operation: 94-16=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
mult_heuristic
[ 8, 24, 9, 34 ]
86
[ "24-9=15", "8*15=120", "120-34=86" ]
Current State: 86:[8, 24, 9, 34], Operations: [] Exploring Operation: 24-9=15, Resulting Numbers: [8, 34, 15] Generated Node #2: [8, 34, 15] from Operation: 24-9=15 Current State: 86:[8, 34, 15], Operations: ['24-9=15'] Exploring Operation: 8*15=120, Resulting Numbers: [34, 120] Generated Node #3: [34, 120] from Operation: 8*15=120 Current State: 86:[34, 120], Operations: ['24-9=15', '8*15=120'] Exploring Operation: 120-34=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[8, 24, 9, 34], Operations: [] Exploring Operation: 24/8=3, Resulting Numbers: [9, 34, 3] Generated Node #0,0: 86:[9, 34, 3] Operation: 24/8=3 Moving to Node #0,0 Current State: 86:[9, 34, 3], Operations: ['24/8=3'] Exploring Operation: 9+34=43, Resulting Numbers: [3, 43] Generated Node #0,0,0: 86:[3, 43] Operation: 9+34=43 Moving to Node #0,0,0 Current State: 86:[3, 43], Operations: ['24/8=3', '9+34=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46] 46,86 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 16, 73, 99, 2 ]
31
[ "16+99=115", "73*2=146", "146-115=31" ]
Current State: 31:[16, 73, 99, 2], Operations: [] Exploring Operation: 16+99=115, Resulting Numbers: [73, 2, 115] Generated Node #2: [73, 2, 115] from Operation: 16+99=115 Current State: 31:[73, 2, 115], Operations: ['16+99=115'] Exploring Operation: 73*2=146, Resulting Numbers: [115, 146] Generated Node #3: [115, 146] from Operation: 73*2=146 Current State: 31:[115, 146], Operations: ['16+99=115', '73*2=146'] Exploring Operation: 146-115=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[16, 73, 99, 2], Operations: [] Exploring Operation: 99-73=26, Resulting Numbers: [16, 2, 26] Generated Node #0,0: 31:[16, 2, 26] Operation: 99-73=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[16, 2, 26], Operations: ['99-73=26'] Exploring Operation: 16*2=32, Resulting Numbers: [26, 32] Generated Node #0,0,0: 31:[26, 32] Operation: 16*2=32 Moving to Node #0,0,0 Current State: 31:[26, 32], Operations: ['99-73=26', '16*2=32'] Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 43, 3, 74, 78 ]
10
[ "43-3=40", "78-74=4", "40/4=10" ]
Current State: 10:[43, 3, 74, 78], Operations: [] Exploring Operation: 43-3=40, Resulting Numbers: [74, 78, 40] Generated Node #2: [74, 78, 40] from Operation: 43-3=40 Current State: 10:[74, 78, 40], Operations: ['43-3=40'] Exploring Operation: 78-74=4, Resulting Numbers: [40, 4] Generated Node #3: [40, 4] from Operation: 78-74=4 Current State: 10:[40, 4], Operations: ['43-3=40', '78-74=4'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[43, 3, 74, 78], Operations: [] Exploring Operation: 74-43=31, Resulting Numbers: [3, 78, 31] Generated Node #0,0: 10:[3, 78, 31] Operation: 74-43=31 Exploring Operation: 78-74=4, Resulting Numbers: [43, 3, 4] Generated Node #0,1: 10:[43, 3, 4] Operation: 78-74=4 Moving to Node #0,1 Current State: 10:[43, 3, 4], Operations: ['78-74=4'] Exploring Operation: 43-4=39, Resulting Numbers: [3, 39] Generated Node #0,1,0: 10:[3, 39] Operation: 43-4=39 Exploring Operation: 43-3=40, Resulting Numbers: [4, 40] Generated Node #0,1,1: 10:[4, 40] Operation: 43-3=40 Moving to Node #0,0 Current State: 10:[3, 78, 31], Operations: ['74-43=31'] Exploring Operation: 78/3=26, Resulting Numbers: [31, 26] Generated Node #0,0,0: 10:[31, 26] Operation: 78/3=26 Exploring Operation: 78-31=47, Resulting Numbers: [3, 47] Generated Node #0,0,1: 10:[3, 47] Operation: 78-31=47 Moving to Node #0,1,0 Current State: 10:[3, 39], Operations: ['78-74=4', '43-4=39'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[4, 40], Operations: ['78-74=4', '43-3=40'] Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,10 unequal: No Solution Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[43, 3, 74, 78], Operations: [] Exploring Operation: 78-74=4, Resulting Numbers: [43, 3, 4] Generated Node #0,1: 10:[43, 3, 4] Operation: 78-74=4 Moving to Node #0,1 Current State: 10:[43, 3, 4], Operations: ['78-74=4'] Exploring Operation: 43-3=40, Resulting Numbers: [4, 40] Generated Node #0,1,1: 10:[4, 40] Operation: 43-3=40 Moving to Node #0,1,1 Current State: 10:[4, 40], Operations: ['78-74=4', '43-3=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.987847
hs_2
mult_heuristic
[ 98, 59, 50, 26 ]
37
[ "98-59=39", "50+26=76", "76-39=37" ]
Current State: 37:[98, 59, 50, 26], Operations: [] Exploring Operation: 98-59=39, Resulting Numbers: [50, 26, 39] Generated Node #2: [50, 26, 39] from Operation: 98-59=39 Current State: 37:[50, 26, 39], Operations: ['98-59=39'] Exploring Operation: 50+26=76, Resulting Numbers: [39, 76] Generated Node #3: [39, 76] from Operation: 50+26=76 Current State: 37:[39, 76], Operations: ['98-59=39', '50+26=76'] Exploring Operation: 76-39=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[98, 59, 50, 26], Operations: [] Exploring Operation: 98-50=48, Resulting Numbers: [59, 26, 48] Generated Node #0,0: 37:[59, 26, 48] Operation: 98-50=48 Exploring Operation: 98-59=39, Resulting Numbers: [50, 26, 39] Generated Node #0,1: 37:[50, 26, 39] Operation: 98-59=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[50, 26, 39], Operations: ['98-59=39'] Exploring Operation: 50-26=24, Resulting Numbers: [39, 24] Generated Node #0,1,0: 37:[39, 24] Operation: 50-26=24 Exploring Operation: 50-39=11, Resulting Numbers: [26, 11] Generated Node #0,1,1: 37:[26, 11] Operation: 50-39=11 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[39, 24], Operations: ['98-59=39', '50-26=24'] Exploring Operation: 39+24=63, Resulting Numbers: [63] 63,37 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[26, 11], Operations: ['98-59=39', '50-39=11'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,37 unequal: No Solution Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[98, 59, 50, 26], Operations: [] Exploring Operation: 98-59=39, Resulting Numbers: [50, 26, 39] Generated Node #0,1: 37:[50, 26, 39] Operation: 98-59=39 Moving to Node #0,1 Current State: 37:[50, 26, 39], Operations: ['98-59=39'] Exploring Operation: 50-39=11, Resulting Numbers: [26, 11] Generated Node #0,1,1: 37:[26, 11] Operation: 50-39=11 Moving to Node #0,1,1 Current State: 37:[26, 11], Operations: ['98-59=39', '50-39=11'] Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 48, 99, 45, 9 ]
12
[ "99+45=144", "144/48=3", "9+3=12" ]
Current State: 12:[48, 99, 45, 9], Operations: [] Exploring Operation: 99+45=144, Resulting Numbers: [48, 9, 144] Generated Node #2: [48, 9, 144] from Operation: 99+45=144 Current State: 12:[48, 9, 144], Operations: ['99+45=144'] Exploring Operation: 144/48=3, Resulting Numbers: [9, 3] Generated Node #3: [9, 3] from Operation: 144/48=3 Current State: 12:[9, 3], Operations: ['99+45=144', '144/48=3'] Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[48, 99, 45, 9], Operations: [] Exploring Operation: 99/9=11, Resulting Numbers: [48, 45, 11] Generated Node #0,0: 12:[48, 45, 11] Operation: 99/9=11 Exploring Operation: 45/9=5, Resulting Numbers: [48, 99, 5] Generated Node #0,1: 12:[48, 99, 5] Operation: 45/9=5 Exploring Operation: 48-45=3, Resulting Numbers: [99, 9, 3] Generated Node #0,2: 12:[99, 9, 3] Operation: 48-45=3 Exploring Operation: 99-48=51, Resulting Numbers: [45, 9, 51] Generated Node #0,3: 12:[45, 9, 51] Operation: 99-48=51 Exploring Operation: 99-45=54, Resulting Numbers: [48, 9, 54] Generated Node #0,4: 12:[48, 9, 54] Operation: 99-45=54 Moving to Node #0,0 Current State: 12:[48, 45, 11], Operations: ['99/9=11'] Exploring Operation: 48-45=3, Resulting Numbers: [11, 3] Generated Node #0,0,0: 12:[11, 3] Operation: 48-45=3 Exploring Operation: 45+11=56, Resulting Numbers: [48, 56] Generated Node #0,0,1: 12:[48, 56] Operation: 45+11=56 Exploring Operation: 48-11=37, Resulting Numbers: [45, 37] Generated Node #0,0,2: 12:[45, 37] Operation: 48-11=37 Exploring Operation: 48+11=59, Resulting Numbers: [45, 59] Generated Node #0,0,3: 12:[45, 59] Operation: 48+11=59 Exploring Operation: 45-11=34, Resulting Numbers: [48, 34] Generated Node #0,0,4: 12:[48, 34] Operation: 45-11=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[11, 3], Operations: ['99/9=11', '48-45=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,12 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 #0,0,2 Current State: 12:[45, 37], Operations: ['99/9=11', '48-11=37'] Exploring Operation: 45-37=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 45+37=82, Resulting Numbers: [82] 82,12 unequal: No Solution Exploring Operation: 45*37=1665, Resulting Numbers: [1665] 1665,12 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:[48, 34], Operations: ['99/9=11', '45-11=34'] Exploring Operation: 48*34=1632, Resulting Numbers: [1632] 1632,12 unequal: No Solution Exploring Operation: 48+34=82, Resulting Numbers: [82] 82,12 unequal: No Solution Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,12 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:[48, 56], Operations: ['99/9=11', '45+11=56'] Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 48+56=104, Resulting Numbers: [104] 104,12 unequal: No Solution Exploring Operation: 48*56=2688, Resulting Numbers: [2688] 2688,12 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:[45, 59], Operations: ['99/9=11', '48+11=59'] Exploring Operation: 45+59=104, Resulting Numbers: [104] 104,12 unequal: No Solution Exploring Operation: 45*59=2655, Resulting Numbers: [2655] 2655,12 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,12 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: 12:[45, 9, 51], Operations: ['99-48=51'] Exploring Operation: 45/9=5, Resulting Numbers: [51, 5] Generated Node #0,3,0: 12:[51, 5] Operation: 45/9=5 Exploring Operation: 51-9=42, Resulting Numbers: [45, 42] Generated Node #0,3,1: 12:[45, 42] Operation: 51-9=42 Exploring Operation: 45-9=36, Resulting Numbers: [51, 36] Generated Node #0,3,2: 12:[51, 36] Operation: 45-9=36 Exploring Operation: 45+9=54, Resulting Numbers: [51, 54] Generated Node #0,3,3: 12:[51, 54] Operation: 45+9=54 Exploring Operation: 51-45=6, Resulting Numbers: [9, 6] Generated Node #0,3,4: 12:[9, 6] Operation: 51-45=6 Moving to Node #0,4 Current State: 12:[48, 9, 54], Operations: ['99-45=54'] Exploring Operation: 54-48=6, Resulting Numbers: [9, 6] Generated Node #0,4,0: 12:[9, 6] Operation: 54-48=6 Exploring Operation: 48-9=39, Resulting Numbers: [54, 39] Generated Node #0,4,1: 12:[54, 39] Operation: 48-9=39 Exploring Operation: 48+9=57, Resulting Numbers: [54, 57] Generated Node #0,4,2: 12:[54, 57] Operation: 48+9=57 Exploring Operation: 54-9=45, Resulting Numbers: [48, 45] Generated Node #0,4,3: 12:[48, 45] Operation: 54-9=45 Exploring Operation: 54/9=6, Resulting Numbers: [48, 6] Generated Node #0,4,4: 12:[48, 6] Operation: 54/9=6 Moving to Node #0,2 Current State: 12:[99, 9, 3], Operations: ['48-45=3'] Exploring Operation: 99-9=90, Resulting Numbers: [3, 90] Generated Node #0,2,0: 12:[3, 90] Operation: 99-9=90 Exploring Operation: 9+3=12, Resulting Numbers: [99, 12] Generated Node #0,2,1: 12:[99, 12] Operation: 9+3=12 Exploring Operation: 99/9=11, Resulting Numbers: [3, 11] Generated Node #0,2,2: 12:[3, 11] Operation: 99/9=11 Exploring Operation: 99/3=33, Resulting Numbers: [9, 33] Generated Node #0,2,3: 12:[9, 33] Operation: 99/3=33 Exploring Operation: 99-3=96, Resulting Numbers: [9, 96] Generated Node #0,2,4: 12:[9, 96] Operation: 99-3=96 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 12:[3, 11], Operations: ['48-45=3', '99/9=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,12 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 12:[9, 33], Operations: ['48-45=3', '99/3=33'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,12 unequal: No Solution Exploring Operation: 9*33=297, Resulting Numbers: [297] 297,12 unequal: No Solution Exploring Operation: 9+33=42, Resulting Numbers: [42] 42,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 12:[3, 90], Operations: ['48-45=3', '99-9=90'] Exploring Operation: 90-3=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 3+90=93, Resulting Numbers: [93] 93,12 unequal: No Solution Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,12 unequal: No Solution Exploring Operation: 3*90=270, Resulting Numbers: [270] 270,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 12:[99, 12], Operations: ['48-45=3', '9+3=12'] Exploring Operation: 99-12=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 99+12=111, Resulting Numbers: [111] 111,12 unequal: No Solution Exploring Operation: 99*12=1188, Resulting Numbers: [1188] 1188,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 12:[9, 96], Operations: ['48-45=3', '99-3=96'] Exploring Operation: 9*96=864, Resulting Numbers: [864] 864,12 unequal: No Solution Exploring Operation: 96-9=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 9+96=105, Resulting Numbers: [105] 105,12 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:[48, 99, 5], Operations: ['45/9=5'] Exploring Operation: 48+5=53, Resulting Numbers: [99, 53] Generated Node #0,1,0: 12:[99, 53] Operation: 48+5=53 Exploring Operation: 99-48=51, Resulting Numbers: [5, 51] Generated Node #0,1,1: 12:[5, 51] Operation: 99-48=51 Exploring Operation: 99-5=94, Resulting Numbers: [48, 94] Generated Node #0,1,2: 12:[48, 94] Operation: 99-5=94 Exploring Operation: 48-5=43, Resulting Numbers: [99, 43] Generated Node #0,1,3: 12:[99, 43] Operation: 48-5=43 Exploring Operation: 99+5=104, Resulting Numbers: [48, 104] Generated Node #0,1,4: 12:[48, 104] Operation: 99+5=104 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[5, 51], Operations: ['45/9=5', '99-48=51'] Exploring Operation: 5+51=56, Resulting Numbers: [56] 56,12 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,12 unequal: No Solution Exploring Operation: 5*51=255, Resulting Numbers: [255] 255,12 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:[48, 94], Operations: ['45/9=5', '99-5=94'] Exploring Operation: 94-48=46, Resulting Numbers: [46] 46,12 unequal: No Solution Exploring Operation: 48*94=4512, Resulting Numbers: [4512] 4512,12 unequal: No Solution Exploring Operation: 48+94=142, Resulting Numbers: [142] 142,12 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:[99, 43], Operations: ['45/9=5', '48-5=43'] Exploring Operation: 99+43=142, Resulting Numbers: [142] 142,12 unequal: No Solution Exploring Operation: 99*43=4257, Resulting Numbers: [4257] 4257,12 unequal: No Solution Exploring Operation: 99-43=56, Resulting Numbers: [56] 56,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[99, 53], Operations: ['45/9=5', '48+5=53'] Exploring Operation: 99+53=152, Resulting Numbers: [152] 152,12 unequal: No Solution Exploring Operation: 99-53=46, Resulting Numbers: [46] 46,12 unequal: No Solution Exploring Operation: 99*53=5247, Resulting Numbers: [5247] 5247,12 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:[48, 104], Operations: ['45/9=5', '99+5=104'] Exploring Operation: 104-48=56, Resulting Numbers: [56] 56,12 unequal: No Solution Exploring Operation: 48*104=4992, Resulting Numbers: [4992] 4992,12 unequal: No Solution Exploring Operation: 48+104=152, Resulting Numbers: [152] 152,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,4 Current State: 12:[9, 6], Operations: ['99-48=51', '51-45=6'] Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,12 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,12 unequal: No Solution Moving to Node #0,4,0 Current State: 12:[9, 6], Operations: ['99-45=54', '54-48=6'] Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,12 unequal: No Solution Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,12 unequal: No Solution Moving to Node #0,4,4 Current State: 12:[48, 6], Operations: ['99-45=54', '54/9=6'] Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,12 unequal: No Solution Exploring Operation: 48*6=288, Resulting Numbers: [288] 288,12 unequal: No Solution Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,12 unequal: No Solution Moving to Node #0,3,0 Current State: 12:[51, 5], Operations: ['99-48=51', '45/9=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,12 unequal: No Solution Exploring Operation: 51*5=255, Resulting Numbers: [255] 255,12 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,12 unequal: No Solution Moving to Node #0,3,1 Current State: 12:[45, 42], Operations: ['99-48=51', '51-9=42'] Exploring Operation: 45*42=1890, Resulting Numbers: [1890] 1890,12 unequal: No Solution Exploring Operation: 45+42=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 45-42=3, Resulting Numbers: [3] 3,12 unequal: No Solution Moving to Node #0,3,2 Current State: 12:[51, 36], Operations: ['99-48=51', '45-9=36'] Exploring Operation: 51-36=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 51+36=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 51*36=1836, Resulting Numbers: [1836] 1836,12 unequal: No Solution Moving to Node #0,4,3 Current State: 12:[48, 45], Operations: ['99-45=54', '54-9=45'] Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 48*45=2160, Resulting Numbers: [2160] 2160,12 unequal: No Solution Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,12 unequal: No Solution Moving to Node #0,4,1 Current State: 12:[54, 39], Operations: ['99-45=54', '48-9=39'] Exploring Operation: 54+39=93, Resulting Numbers: [93] 93,12 unequal: No Solution Exploring Operation: 54*39=2106, Resulting Numbers: [2106] 2106,12 unequal: No Solution Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,12 unequal: No Solution Moving to Node #0,3,3 Current State: 12:[51, 54], Operations: ['99-48=51', '45+9=54'] Exploring Operation: 54-51=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 51*54=2754, Resulting Numbers: [2754] 2754,12 unequal: No Solution Exploring Operation: 51+54=105, Resulting Numbers: [105] 105,12 unequal: No Solution Moving to Node #0,4,2 Current State: 12:[54, 57], Operations: ['99-45=54', '48+9=57'] Exploring Operation: 57-54=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 54*57=3078, Resulting Numbers: [3078] 3078,12 unequal: No Solution Exploring Operation: 54+57=111, Resulting Numbers: [111] 111,12 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 62, 15, 79, 73 ]
75
[ "62+15=77", "79+73=152", "152-77=75" ]
Current State: 75:[62, 15, 79, 73], Operations: [] Exploring Operation: 62+15=77, Resulting Numbers: [79, 73, 77] Generated Node #2: [79, 73, 77] from Operation: 62+15=77 Current State: 75:[79, 73, 77], Operations: ['62+15=77'] Exploring Operation: 79+73=152, Resulting Numbers: [77, 152] Generated Node #3: [77, 152] from Operation: 79+73=152 Current State: 75:[77, 152], Operations: ['62+15=77', '79+73=152'] Exploring Operation: 152-77=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[62, 15, 79, 73], Operations: [] Exploring Operation: 79-62=17, Resulting Numbers: [15, 73, 17] Generated Node #0,0: 75:[15, 73, 17] Operation: 79-62=17 Exploring Operation: 79-73=6, Resulting Numbers: [62, 15, 6] Generated Node #0,1: 75:[62, 15, 6] Operation: 79-73=6 Exploring Operation: 73-62=11, Resulting Numbers: [15, 79, 11] Generated Node #0,2: 75:[15, 79, 11] Operation: 73-62=11 Exploring Operation: 62+15=77, Resulting Numbers: [79, 73, 77] Generated Node #0,3: 75:[79, 73, 77] Operation: 62+15=77 Moving to Node #0,0 Current State: 75:[15, 73, 17], Operations: ['79-62=17'] Exploring Operation: 15+73=88, Resulting Numbers: [17, 88] Generated Node #0,0,0: 75:[17, 88] Operation: 15+73=88 Exploring Operation: 17-15=2, Resulting Numbers: [73, 2] Generated Node #0,0,1: 75:[73, 2] Operation: 17-15=2 Exploring Operation: 73+17=90, Resulting Numbers: [15, 90] Generated Node #0,0,2: 75:[15, 90] Operation: 73+17=90 Exploring Operation: 15+17=32, Resulting Numbers: [73, 32] Generated Node #0,0,3: 75:[73, 32] Operation: 15+17=32 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[73, 2], Operations: ['79-62=17', '17-15=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[62, 15, 79, 73], Operations: [] Exploring Operation: 79-62=17, Resulting Numbers: [15, 73, 17] Generated Node #0,0: 75:[15, 73, 17] Operation: 79-62=17 Moving to Node #0,0 Current State: 75:[15, 73, 17], Operations: ['79-62=17'] Exploring Operation: 17-15=2, Resulting Numbers: [73, 2] Generated Node #0,0,1: 75:[73, 2] Operation: 17-15=2 Moving to Node #0,0,1 Current State: 75:[73, 2], Operations: ['79-62=17', '17-15=2'] Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 51, 35, 25, 83 ]
92
[ "51-35=16", "25+83=108", "108-16=92" ]
Current State: 92:[51, 35, 25, 83], Operations: [] Exploring Operation: 51-35=16, Resulting Numbers: [25, 83, 16] Generated Node #2: [25, 83, 16] from Operation: 51-35=16 Current State: 92:[25, 83, 16], Operations: ['51-35=16'] Exploring Operation: 25+83=108, Resulting Numbers: [16, 108] Generated Node #3: [16, 108] from Operation: 25+83=108 Current State: 92:[16, 108], Operations: ['51-35=16', '25+83=108'] Exploring Operation: 108-16=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[51, 35, 25, 83], Operations: [] Exploring Operation: 83-35=48, Resulting Numbers: [51, 25, 48] Generated Node #0,0: 92:[51, 25, 48] Operation: 83-35=48 Exploring Operation: 51+35=86, Resulting Numbers: [25, 83, 86] Generated Node #0,1: 92:[25, 83, 86] Operation: 51+35=86 Exploring Operation: 51-35=16, Resulting Numbers: [25, 83, 16] Generated Node #0,2: 92:[25, 83, 16] Operation: 51-35=16 Exploring Operation: 35-25=10, Resulting Numbers: [51, 83, 10] Generated Node #0,3: 92:[51, 83, 10] Operation: 35-25=10 Moving to Node #0,0 Current State: 92:[51, 25, 48], Operations: ['83-35=48'] Exploring Operation: 51-48=3, Resulting Numbers: [25, 3] Generated Node #0,0,0: 92:[25, 3] Operation: 51-48=3 Exploring Operation: 51+48=99, Resulting Numbers: [25, 99] Generated Node #0,0,1: 92:[25, 99] Operation: 51+48=99 Exploring Operation: 51-25=26, Resulting Numbers: [48, 26] Generated Node #0,0,2: 92:[48, 26] Operation: 51-25=26 Exploring Operation: 48-25=23, Resulting Numbers: [51, 23] Generated Node #0,0,3: 92:[51, 23] Operation: 48-25=23 Moving to Node #0,1 Current State: 92:[25, 83, 86], Operations: ['51+35=86'] Exploring Operation: 83-25=58, Resulting Numbers: [86, 58] Generated Node #0,1,0: 92:[86, 58] Operation: 83-25=58 Exploring Operation: 86-83=3, Resulting Numbers: [25, 3] Generated Node #0,1,1: 92:[25, 3] Operation: 86-83=3 Exploring Operation: 25+83=108, Resulting Numbers: [86, 108] Generated Node #0,1,2: 92:[86, 108] Operation: 25+83=108 Exploring Operation: 86-25=61, Resulting Numbers: [83, 61] Generated Node #0,1,3: 92:[83, 61] Operation: 86-25=61 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[25, 3], Operations: ['51+35=86', '86-83=3'] Exploring Operation: 25+3=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 25*3=75, Resulting Numbers: [75] 75,92 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[86, 58], Operations: ['51+35=86', '83-25=58'] Exploring Operation: 86-58=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 86+58=144, Resulting Numbers: [144] 144,92 unequal: No Solution Exploring Operation: 86*58=4988, Resulting Numbers: [4988] 4988,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 92:[86, 108], Operations: ['51+35=86', '25+83=108'] Exploring Operation: 86+108=194, Resulting Numbers: [194] 194,92 unequal: No Solution Exploring Operation: 86*108=9288, Resulting Numbers: [9288] 9288,92 unequal: No Solution Exploring Operation: 108-86=22, Resulting Numbers: [22] 22,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 92:[83, 61], Operations: ['51+35=86', '86-25=61'] Exploring Operation: 83*61=5063, Resulting Numbers: [5063] 5063,92 unequal: No Solution Exploring Operation: 83-61=22, Resulting Numbers: [22] 22,92 unequal: No Solution Exploring Operation: 83+61=144, Resulting Numbers: [144] 144,92 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: 92:[25, 83, 16], Operations: ['51-35=16'] Exploring Operation: 25-16=9, Resulting Numbers: [83, 9] Generated Node #0,2,0: 92:[83, 9] Operation: 25-16=9 Exploring Operation: 25+16=41, Resulting Numbers: [83, 41] Generated Node #0,2,1: 92:[83, 41] Operation: 25+16=41 Exploring Operation: 83+16=99, Resulting Numbers: [25, 99] Generated Node #0,2,2: 92:[25, 99] Operation: 83+16=99 Exploring Operation: 83-25=58, Resulting Numbers: [16, 58] Generated Node #0,2,3: 92:[16, 58] Operation: 83-25=58 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[25, 99], Operations: ['51-35=16', '83+16=99'] Exploring Operation: 25*99=2475, Resulting Numbers: [2475] 2475,92 unequal: No Solution Exploring Operation: 99-25=74, Resulting Numbers: [74] 74,92 unequal: No Solution Exploring Operation: 25+99=124, Resulting Numbers: [124] 124,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[83, 9], Operations: ['51-35=16', '25-16=9'] Exploring Operation: 83+9=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[51, 35, 25, 83], Operations: [] Exploring Operation: 51-35=16, Resulting Numbers: [25, 83, 16] Generated Node #0,2: 92:[25, 83, 16] Operation: 51-35=16 Moving to Node #0,2 Current State: 92:[25, 83, 16], Operations: ['51-35=16'] Exploring Operation: 25-16=9, Resulting Numbers: [83, 9] Generated Node #0,2,0: 92:[83, 9] Operation: 25-16=9 Moving to Node #0,2,0 Current State: 92:[83, 9], Operations: ['51-35=16', '25-16=9'] Exploring Operation: 83+9=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
mult_heuristic
[ 52, 92, 13, 91 ]
66
[ "52+92=144", "91-13=78", "144-78=66" ]
Current State: 66:[52, 92, 13, 91], Operations: [] Exploring Operation: 52+92=144, Resulting Numbers: [13, 91, 144] Generated Node #2: [13, 91, 144] from Operation: 52+92=144 Current State: 66:[13, 91, 144], Operations: ['52+92=144'] Exploring Operation: 91-13=78, Resulting Numbers: [144, 78] Generated Node #3: [144, 78] from Operation: 91-13=78 Current State: 66:[144, 78], Operations: ['52+92=144', '91-13=78'] Exploring Operation: 144-78=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[52, 92, 13, 91], Operations: [] Exploring Operation: 92-52=40, Resulting Numbers: [13, 91, 40] Generated Node #0,0: 66:[13, 91, 40] Operation: 92-52=40 Exploring Operation: 52+13=65, Resulting Numbers: [92, 91, 65] Generated Node #0,1: 66:[92, 91, 65] Operation: 52+13=65 Exploring Operation: 91-52=39, Resulting Numbers: [92, 13, 39] Generated Node #0,2: 66:[92, 13, 39] Operation: 91-52=39 Exploring Operation: 92-91=1, Resulting Numbers: [52, 13, 1] Generated Node #0,3: 66:[52, 13, 1] Operation: 92-91=1 Exploring Operation: 91/13=7, Resulting Numbers: [52, 92, 7] Generated Node #0,4: 66:[52, 92, 7] Operation: 91/13=7 Moving to Node #0,3 Current State: 66:[52, 13, 1], Operations: ['92-91=1'] Exploring Operation: 52+1=53, Resulting Numbers: [13, 53] Generated Node #0,3,0: 66:[13, 53] Operation: 52+1=53 Exploring Operation: 52-13=39, Resulting Numbers: [1, 39] Generated Node #0,3,1: 66:[1, 39] Operation: 52-13=39 Exploring Operation: 52/13=4, Resulting Numbers: [1, 4] Generated Node #0,3,2: 66:[1, 4] Operation: 52/13=4 Exploring Operation: 13-1=12, Resulting Numbers: [52, 12] Generated Node #0,3,3: 66:[52, 12] Operation: 13-1=12 Exploring Operation: 52+13=65, Resulting Numbers: [1, 65] Generated Node #0,3,4: 66:[1, 65] Operation: 52+13=65 Moving to Node #0,2 Current State: 66:[92, 13, 39], Operations: ['91-52=39'] Exploring Operation: 92-39=53, Resulting Numbers: [13, 53] Generated Node #0,2,0: 66:[13, 53] Operation: 92-39=53 Exploring Operation: 92-13=79, Resulting Numbers: [39, 79] Generated Node #0,2,1: 66:[39, 79] Operation: 92-13=79 Exploring Operation: 39-13=26, Resulting Numbers: [92, 26] Generated Node #0,2,2: 66:[92, 26] Operation: 39-13=26 Exploring Operation: 39/13=3, Resulting Numbers: [92, 3] Generated Node #0,2,3: 66:[92, 3] Operation: 39/13=3 Exploring Operation: 13+39=52, Resulting Numbers: [92, 52] Generated Node #0,2,4: 66:[92, 52] Operation: 13+39=52 Moving to Node #0,0 Current State: 66:[13, 91, 40], Operations: ['92-52=40'] Exploring Operation: 91/13=7, Resulting Numbers: [40, 7] Generated Node #0,0,0: 66:[40, 7] Operation: 91/13=7 Exploring Operation: 91-13=78, Resulting Numbers: [40, 78] Generated Node #0,0,1: 66:[40, 78] Operation: 91-13=78 Exploring Operation: 91-40=51, Resulting Numbers: [13, 51] Generated Node #0,0,2: 66:[13, 51] Operation: 91-40=51 Exploring Operation: 40-13=27, Resulting Numbers: [91, 27] Generated Node #0,0,3: 66:[91, 27] Operation: 40-13=27 Exploring Operation: 13+40=53, Resulting Numbers: [91, 53] Generated Node #0,0,4: 66:[91, 53] Operation: 13+40=53 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[40, 7], Operations: ['92-52=40', '91/13=7'] Exploring Operation: 40-7=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 40+7=47, Resulting Numbers: [47] 47,66 unequal: No Solution Exploring Operation: 40*7=280, Resulting Numbers: [280] 280,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 66:[13, 51], Operations: ['92-52=40', '91-40=51'] Exploring Operation: 13+51=64, Resulting Numbers: [64] 64,66 unequal: No Solution Exploring Operation: 13*51=663, Resulting Numbers: [663] 663,66 unequal: No Solution Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[40, 78], Operations: ['92-52=40', '91-13=78'] Exploring Operation: 40+78=118, Resulting Numbers: [118] 118,66 unequal: No Solution Exploring Operation: 40*78=3120, Resulting Numbers: [3120] 3120,66 unequal: No Solution Exploring Operation: 78-40=38, Resulting Numbers: [38] 38,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 66:[91, 27], Operations: ['92-52=40', '40-13=27'] Exploring Operation: 91*27=2457, Resulting Numbers: [2457] 2457,66 unequal: No Solution Exploring Operation: 91-27=64, Resulting Numbers: [64] 64,66 unequal: No Solution Exploring Operation: 91+27=118, Resulting Numbers: [118] 118,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 66:[91, 53], Operations: ['92-52=40', '13+40=53'] Exploring Operation: 91+53=144, Resulting Numbers: [144] 144,66 unequal: No Solution Exploring Operation: 91*53=4823, Resulting Numbers: [4823] 4823,66 unequal: No Solution Exploring Operation: 91-53=38, Resulting Numbers: [38] 38,66 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: 66:[52, 92, 7], Operations: ['91/13=7'] Exploring Operation: 52+7=59, Resulting Numbers: [92, 59] Generated Node #0,4,0: 66:[92, 59] Operation: 52+7=59 Exploring Operation: 92+7=99, Resulting Numbers: [52, 99] Generated Node #0,4,1: 66:[52, 99] Operation: 92+7=99 Exploring Operation: 92-52=40, Resulting Numbers: [7, 40] Generated Node #0,4,2: 66:[7, 40] Operation: 92-52=40 Exploring Operation: 52-7=45, Resulting Numbers: [92, 45] Generated Node #0,4,3: 66:[92, 45] Operation: 52-7=45 Exploring Operation: 92-7=85, Resulting Numbers: [52, 85] Generated Node #0,4,4: 66:[52, 85] Operation: 92-7=85 Moving to Node #0,1 Current State: 66:[92, 91, 65], Operations: ['52+13=65'] Exploring Operation: 91-65=26, Resulting Numbers: [92, 26] Generated Node #0,1,0: 66:[92, 26] Operation: 91-65=26 Exploring Operation: 91+65=156, Resulting Numbers: [92, 156] Generated Node #0,1,1: 66:[92, 156] Operation: 91+65=156 Exploring Operation: 92-91=1, Resulting Numbers: [65, 1] Generated Node #0,1,2: 66:[65, 1] Operation: 92-91=1 Exploring Operation: 92-65=27, Resulting Numbers: [91, 27] Generated Node #0,1,3: 66:[91, 27] Operation: 92-65=27 Exploring Operation: 92+65=157, Resulting Numbers: [91, 157] Generated Node #0,1,4: 66:[91, 157] Operation: 92+65=157 Moving to Node #0,3,2 Current State: 66:[1, 4], Operations: ['92-91=1', '52/13=4'] Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,66 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,66 unequal: No Solution Moving to Node #0,3,4 Current State: 66:[1, 65], Operations: ['92-91=1', '52+13=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,66 unequal: No Solution Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,66 unequal: No Solution Exploring Operation: 1*65=65, Resulting Numbers: [65] 65,66 unequal: No Solution Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[52, 92, 13, 91], Operations: [] Exploring Operation: 92-91=1, Resulting Numbers: [52, 13, 1] Generated Node #0,3: 66:[52, 13, 1] Operation: 92-91=1 Moving to Node #0,3 Current State: 66:[52, 13, 1], Operations: ['92-91=1'] Exploring Operation: 52+13=65, Resulting Numbers: [1, 65] Generated Node #0,3,4: 66:[1, 65] Operation: 52+13=65 Moving to Node #0,3,4 Current State: 66:[1, 65], Operations: ['92-91=1', '52+13=65'] Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
0.950521
hs_5
sum_heuristic
[ 38, 45, 88, 85 ]
80
[ "38+45=83", "88-85=3", "83-3=80" ]
Current State: 80:[38, 45, 88, 85], Operations: [] Exploring Operation: 38+45=83, Resulting Numbers: [88, 85, 83] Generated Node #2: [88, 85, 83] from Operation: 38+45=83 Current State: 80:[88, 85, 83], Operations: ['38+45=83'] Exploring Operation: 88-85=3, Resulting Numbers: [83, 3] Generated Node #3: [83, 3] from Operation: 88-85=3 Current State: 80:[83, 3], Operations: ['38+45=83', '88-85=3'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[38, 45, 88, 85], Operations: [] Exploring Operation: 88-45=43, Resulting Numbers: [38, 85, 43] Generated Node #0,0: 80:[38, 85, 43] Operation: 88-45=43 Exploring Operation: 88-85=3, Resulting Numbers: [38, 45, 3] Generated Node #0,1: 80:[38, 45, 3] Operation: 88-85=3 Exploring Operation: 85-45=40, Resulting Numbers: [38, 88, 40] Generated Node #0,2: 80:[38, 88, 40] Operation: 85-45=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[38, 45, 3], Operations: ['88-85=3'] Exploring Operation: 38+45=83, Resulting Numbers: [3, 83] Generated Node #0,1,0: 80:[3, 83] Operation: 38+45=83 Exploring Operation: 45-38=7, Resulting Numbers: [3, 7] Generated Node #0,1,1: 80:[3, 7] Operation: 45-38=7 Exploring Operation: 45/3=15, Resulting Numbers: [38, 15] Generated Node #0,1,2: 80:[38, 15] Operation: 45/3=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[3, 7], Operations: ['88-85=3', '45-38=7'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 3*7=21, Resulting Numbers: [21] 21,80 unequal: No Solution Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 80:[38, 15], Operations: ['88-85=3', '45/3=15'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,80 unequal: No Solution Exploring Operation: 38*15=570, Resulting Numbers: [570] 570,80 unequal: No Solution Exploring Operation: 38+15=53, Resulting Numbers: [53] 53,80 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[3, 83], Operations: ['88-85=3', '38+45=83'] Exploring Operation: 3*83=249, Resulting Numbers: [249] 249,80 unequal: No Solution Exploring Operation: 3+83=86, Resulting Numbers: [86] 86,80 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[38, 45, 88, 85], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [38, 45, 3] Generated Node #0,1: 80:[38, 45, 3] Operation: 88-85=3 Moving to Node #0,1 Current State: 80:[38, 45, 3], Operations: ['88-85=3'] Exploring Operation: 38+45=83, Resulting Numbers: [3, 83] Generated Node #0,1,0: 80:[3, 83] Operation: 38+45=83 Moving to Node #0,1,0 Current State: 80:[3, 83], Operations: ['88-85=3', '38+45=83'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 58, 8, 80, 58 ]
87
[ "58/58=1", "8+80=88", "88-1=87" ]
Current State: 87:[58, 8, 80, 58], Operations: [] Exploring Operation: 58/58=1, Resulting Numbers: [8, 80, 1] Generated Node #2: [8, 80, 1] from Operation: 58/58=1 Current State: 87:[8, 80, 1], Operations: ['58/58=1'] Exploring Operation: 8+80=88, Resulting Numbers: [1, 88] Generated Node #3: [1, 88] from Operation: 8+80=88 Current State: 87:[1, 88], Operations: ['58/58=1', '8+80=88'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[58, 8, 80, 58], Operations: [] Exploring Operation: 80-58=22, Resulting Numbers: [58, 8, 22] Generated Node #0,0: 87:[58, 8, 22] Operation: 80-58=22 Exploring Operation: 80-58=22, Resulting Numbers: [8, 58, 22] Generated Node #0,1: 87:[8, 58, 22] Operation: 80-58=22 Exploring Operation: 58-58=0, Resulting Numbers: [8, 80, 0] Generated Node #0,2: 87:[8, 80, 0] Operation: 58-58=0 Exploring Operation: 58+58=116, Resulting Numbers: [8, 80, 116] Generated Node #0,3: 87:[8, 80, 116] Operation: 58+58=116 Exploring Operation: 58/58=1, Resulting Numbers: [8, 80, 1] Generated Node #0,4: 87:[8, 80, 1] Operation: 58/58=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 87:[8, 80, 1], Operations: ['58/58=1'] Exploring Operation: 8-1=7, Resulting Numbers: [80, 7] Generated Node #0,4,0: 87:[80, 7] Operation: 8-1=7 Exploring Operation: 80+1=81, Resulting Numbers: [8, 81] Generated Node #0,4,1: 87:[8, 81] Operation: 80+1=81 Exploring Operation: 8+80=88, Resulting Numbers: [1, 88] Generated Node #0,4,2: 87:[1, 88] Operation: 8+80=88 Exploring Operation: 80/8=10, Resulting Numbers: [1, 10] Generated Node #0,4,3: 87:[1, 10] Operation: 80/8=10 Exploring Operation: 8*1=8, Resulting Numbers: [80, 8] Generated Node #0,4,4: 87:[80, 8] Operation: 8*1=8 Moving to Node #0,4,2 Current State: 87:[1, 88], Operations: ['58/58=1', '8+80=88'] Exploring Operation: 88/1=88, Resulting Numbers: [88] 88,87 unequal: No Solution Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[58, 8, 80, 58], Operations: [] Exploring Operation: 58/58=1, Resulting Numbers: [8, 80, 1] Generated Node #0,4: 87:[8, 80, 1] Operation: 58/58=1 Moving to Node #0,4 Current State: 87:[8, 80, 1], Operations: ['58/58=1'] Exploring Operation: 8+80=88, Resulting Numbers: [1, 88] Generated Node #0,4,2: 87:[1, 88] Operation: 8+80=88 Moving to Node #0,4,2 Current State: 87:[1, 88], Operations: ['58/58=1', '8+80=88'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 81, 83, 66, 66 ]
81
[ "66-66=0", "83*0=0", "81+0=81" ]
Current State: 81:[81, 83, 66, 66], Operations: [] Exploring Operation: 66-66=0, Resulting Numbers: [81, 83, 0] Generated Node #2: [81, 83, 0] from Operation: 66-66=0 Current State: 81:[81, 83, 0], Operations: ['66-66=0'] Exploring Operation: 83*0=0, Resulting Numbers: [81, 0] Generated Node #3: [81, 0] from Operation: 83*0=0 Current State: 81:[81, 0], Operations: ['66-66=0', '83*0=0'] Exploring Operation: 81+0=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[81, 83, 66, 66], Operations: [] Exploring Operation: 66/66=1, Resulting Numbers: [81, 83, 1] Generated Node #0,0: 81:[81, 83, 1] Operation: 66/66=1 Exploring Operation: 81-66=15, Resulting Numbers: [83, 66, 15] Generated Node #0,1: 81:[83, 66, 15] Operation: 81-66=15 Exploring Operation: 81-66=15, Resulting Numbers: [83, 66, 15] Generated Node #0,2: 81:[83, 66, 15] Operation: 81-66=15 Exploring Operation: 66-66=0, Resulting Numbers: [81, 83, 0] Generated Node #0,3: 81:[81, 83, 0] Operation: 66-66=0 Moving to Node #0,0 Current State: 81:[81, 83, 1], Operations: ['66/66=1'] Exploring Operation: 81*1=81, Resulting Numbers: [83, 81] Generated Node #0,0,0: 81:[83, 81] Operation: 81*1=81 Exploring Operation: 81/1=81, Resulting Numbers: [83, 81] Generated Node #0,0,1: 81:[83, 81] Operation: 81/1=81 Exploring Operation: 83-1=82, Resulting Numbers: [81, 82] Generated Node #0,0,2: 81:[81, 82] Operation: 83-1=82 Exploring Operation: 83*1=83, Resulting Numbers: [81, 83] Generated Node #0,0,3: 81:[81, 83] Operation: 83*1=83 Moving to Node #0,3 Current State: 81:[81, 83, 0], Operations: ['66-66=0'] Exploring Operation: 81+0=81, Resulting Numbers: [83, 81] Generated Node #0,3,0: 81:[83, 81] Operation: 81+0=81 Exploring Operation: 83+0=83, Resulting Numbers: [81, 83] Generated Node #0,3,1: 81:[81, 83] Operation: 83+0=83 Exploring Operation: 83-0=83, Resulting Numbers: [81, 83] Generated Node #0,3,2: 81:[81, 83] Operation: 83-0=83 Exploring Operation: 81-0=81, Resulting Numbers: [83, 81] Generated Node #0,3,3: 81:[83, 81] Operation: 81-0=81 Moving to Node #0,2 Current State: 81:[83, 66, 15], Operations: ['81-66=15'] Exploring Operation: 66+15=81, Resulting Numbers: [83, 81] Generated Node #0,2,0: 81:[83, 81] Operation: 66+15=81 Exploring Operation: 66-15=51, Resulting Numbers: [83, 51] Generated Node #0,2,1: 81:[83, 51] Operation: 66-15=51 Exploring Operation: 83-66=17, Resulting Numbers: [15, 17] Generated Node #0,2,2: 81:[15, 17] Operation: 83-66=17 Exploring Operation: 83-15=68, Resulting Numbers: [66, 68] Generated Node #0,2,3: 81:[66, 68] Operation: 83-15=68 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[83, 81], Operations: ['81-66=15', '66+15=81'] Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 83*81=6723, Resulting Numbers: [6723] 6723,81 unequal: No Solution Exploring Operation: 83+81=164, Resulting Numbers: [164] 164,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[15, 17], Operations: ['81-66=15', '83-66=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[83, 51], Operations: ['81-66=15', '66-15=51'] Exploring Operation: 83+51=134, Resulting Numbers: [134] 134,81 unequal: No Solution Exploring Operation: 83*51=4233, Resulting Numbers: [4233] 4233,81 unequal: No Solution Exploring Operation: 83-51=32, Resulting Numbers: [32] 32,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 81:[66, 68], Operations: ['81-66=15', '83-15=68'] Exploring Operation: 66*68=4488, Resulting Numbers: [4488] 4488,81 unequal: No Solution Exploring Operation: 66+68=134, Resulting Numbers: [134] 134,81 unequal: No Solution Exploring Operation: 68-66=2, Resulting Numbers: [2] 2,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 81:[83, 66, 15], Operations: ['81-66=15'] Exploring Operation: 66-15=51, Resulting Numbers: [83, 51] Generated Node #0,1,0: 81:[83, 51] Operation: 66-15=51 Exploring Operation: 66+15=81, Resulting Numbers: [83, 81] Generated Node #0,1,1: 81:[83, 81] Operation: 66+15=81 Exploring Operation: 83-66=17, Resulting Numbers: [15, 17] Generated Node #0,1,2: 81:[15, 17] Operation: 83-66=17 Exploring Operation: 83-15=68, Resulting Numbers: [66, 68] Generated Node #0,1,3: 81:[66, 68] Operation: 83-15=68 Moving to Node #0,0,2 Current State: 81:[81, 82], Operations: ['66/66=1', '83-1=82'] Exploring Operation: 81+82=163, Resulting Numbers: [163] 163,81 unequal: No Solution Exploring Operation: 81*82=6642, Resulting Numbers: [6642] 6642,81 unequal: No Solution Exploring Operation: 82-81=1, Resulting Numbers: [1] 1,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[83, 81], Operations: ['66/66=1', '81/1=81'] Exploring Operation: 83*81=6723, Resulting Numbers: [6723] 6723,81 unequal: No Solution Exploring Operation: 83+81=164, Resulting Numbers: [164] 164,81 unequal: No Solution Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,81 unequal: No Solution Moving to Node #0,3,2 Current State: 81:[81, 83], Operations: ['66-66=0', '83-0=83'] Exploring Operation: 81*83=6723, Resulting Numbers: [6723] 6723,81 unequal: No Solution Exploring Operation: 81+83=164, Resulting Numbers: [164] 164,81 unequal: No Solution Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,81 unequal: No Solution Moving to Node #0,3,1 Current State: 81:[81, 83], Operations: ['66-66=0', '83+0=83'] Exploring Operation: 81+83=164, Resulting Numbers: [164] 164,81 unequal: No Solution Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 81*83=6723, Resulting Numbers: [6723] 6723,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[83, 81], Operations: ['66/66=1', '81*1=81'] Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 83*81=6723, Resulting Numbers: [6723] 6723,81 unequal: No Solution Exploring Operation: 83+81=164, Resulting Numbers: [164] 164,81 unequal: No Solution Moving to Node #0,3,0 Current State: 81:[83, 81], Operations: ['66-66=0', '81+0=81'] Exploring Operation: 83*81=6723, Resulting Numbers: [6723] 6723,81 unequal: No Solution Exploring Operation: 83+81=164, Resulting Numbers: [164] 164,81 unequal: No Solution Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[83, 81], Operations: ['81-66=15', '66+15=81'] Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 83+81=164, Resulting Numbers: [164] 164,81 unequal: No Solution Exploring Operation: 83*81=6723, Resulting Numbers: [6723] 6723,81 unequal: No Solution Moving to Node #0,3,3 Current State: 81:[83, 81], Operations: ['66-66=0', '81-0=81'] Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 83+81=164, Resulting Numbers: [164] 164,81 unequal: No Solution Exploring Operation: 83*81=6723, Resulting Numbers: [6723] 6723,81 unequal: No Solution Moving to Node #0,0,3 Current State: 81:[81, 83], Operations: ['66/66=1', '83*1=83'] Exploring Operation: 81*83=6723, Resulting Numbers: [6723] 6723,81 unequal: No Solution Exploring Operation: 81+83=164, Resulting Numbers: [164] 164,81 unequal: No Solution Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[15, 17], Operations: ['81-66=15', '83-66=17'] Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,81 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[83, 51], Operations: ['81-66=15', '66-15=51'] Exploring Operation: 83+51=134, Resulting Numbers: [134] 134,81 unequal: No Solution Exploring Operation: 83-51=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 83*51=4233, Resulting Numbers: [4233] 4233,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[66, 68], Operations: ['81-66=15', '83-15=68'] Exploring Operation: 66+68=134, Resulting Numbers: [134] 134,81 unequal: No Solution Exploring Operation: 66*68=4488, Resulting Numbers: [4488] 4488,81 unequal: No Solution Exploring Operation: 68-66=2, Resulting Numbers: [2] 2,81 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 5, 41, 33, 76 ]
89
[ "5+41=46", "76-33=43", "46+43=89" ]
Current State: 89:[5, 41, 33, 76], Operations: [] Exploring Operation: 5+41=46, Resulting Numbers: [33, 76, 46] Generated Node #2: [33, 76, 46] from Operation: 5+41=46 Current State: 89:[33, 76, 46], Operations: ['5+41=46'] Exploring Operation: 76-33=43, Resulting Numbers: [46, 43] Generated Node #3: [46, 43] from Operation: 76-33=43 Current State: 89:[46, 43], Operations: ['5+41=46', '76-33=43'] Exploring Operation: 46+43=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[5, 41, 33, 76], Operations: [] Exploring Operation: 5+33=38, Resulting Numbers: [41, 76, 38] Generated Node #0,0: 89:[41, 76, 38] Operation: 5+33=38 Exploring Operation: 5+41=46, Resulting Numbers: [33, 76, 46] Generated Node #0,1: 89:[33, 76, 46] Operation: 5+41=46 Moving to Node #0,0 Current State: 89:[41, 76, 38], Operations: ['5+33=38'] Exploring Operation: 41+38=79, Resulting Numbers: [76, 79] Generated Node #0,0,0: 89:[76, 79] Operation: 41+38=79 Exploring Operation: 76+38=114, Resulting Numbers: [41, 114] Generated Node #0,0,1: 89:[41, 114] Operation: 76+38=114 Moving to Node #0,1 Current State: 89:[33, 76, 46], Operations: ['5+41=46'] Exploring Operation: 33+76=109, Resulting Numbers: [46, 109] Generated Node #0,1,0: 89:[46, 109] Operation: 33+76=109 Exploring Operation: 33+46=79, Resulting Numbers: [76, 79] Generated Node #0,1,1: 89:[76, 79] Operation: 33+46=79 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[76, 79], Operations: ['5+41=46', '33+46=79'] Exploring Operation: 79-76=3, Resulting Numbers: [3] 3,89 unequal: No Solution Exploring Operation: 76+79=155, Resulting Numbers: [155] 155,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[46, 109], Operations: ['5+41=46', '33+76=109'] Exploring Operation: 109-46=63, Resulting Numbers: [63] 63,89 unequal: No Solution Exploring Operation: 46+109=155, Resulting Numbers: [155] 155,89 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: 89:[76, 79], Operations: ['5+33=38', '41+38=79'] Exploring Operation: 76+79=155, Resulting Numbers: [155] 155,89 unequal: No Solution Exploring Operation: 79-76=3, Resulting Numbers: [3] 3,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[41, 114], Operations: ['5+33=38', '76+38=114'] Exploring Operation: 41+114=155, Resulting Numbers: [155] 155,89 unequal: No Solution Exploring Operation: 114-41=73, Resulting Numbers: [73] 73,89 unequal: No Solution No solution found.
0
hs_2
sum_heuristic