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
[ 5, 31, 21, 1 ]
75
[ "5*21=105", "31-1=30", "105-30=75" ]
Current State: 75:[5, 31, 21, 1], Operations: [] Exploring Operation: 5*21=105, Resulting Numbers: [31, 1, 105] Generated Node #2: [31, 1, 105] from Operation: 5*21=105 Current State: 75:[31, 1, 105], Operations: ['5*21=105'] Exploring Operation: 31-1=30, Resulting Numbers: [105, 30] Generated Node #3: [105, 30] from Operation: 31-1=30 Current State: 75:[105, 30], Operations: ['5*21=105', '31-1=30'] Exploring Operation: 105-30=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[5, 31, 21, 1], Operations: [] Exploring Operation: 31-21=10, Resulting Numbers: [5, 1, 10] Generated Node #0,0: 75:[5, 1, 10] Operation: 31-21=10 Exploring Operation: 31-5=26, Resulting Numbers: [21, 1, 26] Generated Node #0,1: 75:[21, 1, 26] Operation: 31-5=26 Moving to Node #0,0 Current State: 75:[5, 1, 10], Operations: ['31-21=10'] Exploring Operation: 5+10=15, Resulting Numbers: [1, 15] Generated Node #0,0,0: 75:[1, 15] Operation: 5+10=15 Exploring Operation: 10-5=5, Resulting Numbers: [1, 5] Generated Node #0,0,1: 75:[1, 5] Operation: 10-5=5 Moving to Node #0,1 Current State: 75:[21, 1, 26], Operations: ['31-5=26'] Exploring Operation: 21+1=22, Resulting Numbers: [26, 22] Generated Node #0,1,0: 75:[26, 22] Operation: 21+1=22 Exploring Operation: 26-21=5, Resulting Numbers: [1, 5] Generated Node #0,1,1: 75:[1, 5] Operation: 26-21=5 Moving to Node #0,0,0 Current State: 75:[1, 15], Operations: ['31-21=10', '5+10=15'] Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[1, 5], Operations: ['31-5=26', '26-21=5'] Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[1, 5], Operations: ['31-21=10', '10-5=5'] Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 1*5=5, Resulting Numbers: [5] 5,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[26, 22], Operations: ['31-5=26', '21+1=22'] Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,75 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 12, 61, 45, 6 ]
32
[ "12/6=2", "61-45=16", "2*16=32" ]
Current State: 32:[12, 61, 45, 6], Operations: [] Exploring Operation: 12/6=2, Resulting Numbers: [61, 45, 2] Generated Node #2: [61, 45, 2] from Operation: 12/6=2 Current State: 32:[61, 45, 2], Operations: ['12/6=2'] Exploring Operation: 61-45=16, Resulting Numbers: [2, 16] Generated Node #3: [2, 16] from Operation: 61-45=16 Current State: 32:[2, 16], Operations: ['12/6=2', '61-45=16'] Exploring Operation: 2*16=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[12, 61, 45, 6], Operations: [] Exploring Operation: 45-12=33, Resulting Numbers: [61, 6, 33] Generated Node #0,0: 32:[61, 6, 33] Operation: 45-12=33 Exploring Operation: 61-45=16, Resulting Numbers: [12, 6, 16] Generated Node #0,1: 32:[12, 6, 16] Operation: 61-45=16 Exploring Operation: 61-12=49, Resulting Numbers: [45, 6, 49] Generated Node #0,2: 32:[45, 6, 49] Operation: 61-12=49 Exploring Operation: 45-6=39, Resulting Numbers: [12, 61, 39] Generated Node #0,3: 32:[12, 61, 39] Operation: 45-6=39 Exploring Operation: 61-6=55, Resulting Numbers: [12, 45, 55] Generated Node #0,4: 32:[12, 45, 55] Operation: 61-6=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[12, 6, 16], Operations: ['61-45=16'] Exploring Operation: 16-12=4, Resulting Numbers: [6, 4] Generated Node #0,1,0: 32:[6, 4] Operation: 16-12=4 Exploring Operation: 12+6=18, Resulting Numbers: [16, 18] Generated Node #0,1,1: 32:[16, 18] Operation: 12+6=18 Exploring Operation: 12+16=28, Resulting Numbers: [6, 28] Generated Node #0,1,2: 32:[6, 28] Operation: 12+16=28 Exploring Operation: 12/6=2, Resulting Numbers: [16, 2] Generated Node #0,1,3: 32:[16, 2] Operation: 12/6=2 Exploring Operation: 12-6=6, Resulting Numbers: [16, 6] Generated Node #0,1,4: 32:[16, 6] Operation: 12-6=6 Moving to Node #0,1,3 Current State: 32:[16, 2], Operations: ['61-45=16', '12/6=2'] Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[12, 61, 45, 6], Operations: [] Exploring Operation: 61-45=16, Resulting Numbers: [12, 6, 16] Generated Node #0,1: 32:[12, 6, 16] Operation: 61-45=16 Moving to Node #0,1 Current State: 32:[12, 6, 16], Operations: ['61-45=16'] Exploring Operation: 12/6=2, Resulting Numbers: [16, 2] Generated Node #0,1,3: 32:[16, 2] Operation: 12/6=2 Moving to Node #0,1,3 Current State: 32:[16, 2], Operations: ['61-45=16', '12/6=2'] Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 23, 41, 65, 87 ]
63
[ "87-41=46", "46/23=2", "65-2=63" ]
Current State: 63:[23, 41, 65, 87], Operations: [] Exploring Operation: 87-41=46, Resulting Numbers: [23, 65, 46] Generated Node #2: [23, 65, 46] from Operation: 87-41=46 Current State: 63:[23, 65, 46], Operations: ['87-41=46'] Exploring Operation: 46/23=2, Resulting Numbers: [65, 2] Generated Node #3: [65, 2] from Operation: 46/23=2 Current State: 63:[65, 2], Operations: ['87-41=46', '46/23=2'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[23, 41, 65, 87], Operations: [] Exploring Operation: 87-23=64, Resulting Numbers: [41, 65, 64] Generated Node #0,0: 63:[41, 65, 64] Operation: 87-23=64 Exploring Operation: 87-41=46, Resulting Numbers: [23, 65, 46] Generated Node #0,1: 63:[23, 65, 46] Operation: 87-41=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[23, 65, 46], Operations: ['87-41=46'] Exploring Operation: 46-23=23, Resulting Numbers: [65, 23] Generated Node #0,1,0: 63:[65, 23] Operation: 46-23=23 Exploring Operation: 46/23=2, Resulting Numbers: [65, 2] Generated Node #0,1,1: 63:[65, 2] Operation: 46/23=2 Moving to Node #0,1,1 Current State: 63:[65, 2], Operations: ['87-41=46', '46/23=2'] Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,63 unequal: No Solution Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[23, 41, 65, 87], Operations: [] Exploring Operation: 87-41=46, Resulting Numbers: [23, 65, 46] Generated Node #0,1: 63:[23, 65, 46] Operation: 87-41=46 Moving to Node #0,1 Current State: 63:[23, 65, 46], Operations: ['87-41=46'] Exploring Operation: 46/23=2, Resulting Numbers: [65, 2] Generated Node #0,1,1: 63:[65, 2] Operation: 46/23=2 Moving to Node #0,1,1 Current State: 63:[65, 2], Operations: ['87-41=46', '46/23=2'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 95, 88, 63, 15 ]
55
[ "95-88=7", "63-15=48", "7+48=55" ]
Current State: 55:[95, 88, 63, 15], Operations: [] Exploring Operation: 95-88=7, Resulting Numbers: [63, 15, 7] Generated Node #2: [63, 15, 7] from Operation: 95-88=7 Current State: 55:[63, 15, 7], Operations: ['95-88=7'] Exploring Operation: 63-15=48, Resulting Numbers: [7, 48] Generated Node #3: [7, 48] from Operation: 63-15=48 Current State: 55:[7, 48], Operations: ['95-88=7', '63-15=48'] Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[95, 88, 63, 15], Operations: [] Exploring Operation: 88-63=25, Resulting Numbers: [95, 15, 25] Generated Node #0,0: 55:[95, 15, 25] Operation: 88-63=25 Exploring Operation: 95-63=32, Resulting Numbers: [88, 15, 32] Generated Node #0,1: 55:[88, 15, 32] Operation: 95-63=32 Exploring Operation: 95-88=7, Resulting Numbers: [63, 15, 7] Generated Node #0,2: 55:[63, 15, 7] Operation: 95-88=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 55:[63, 15, 7], Operations: ['95-88=7'] Exploring Operation: 63-7=56, Resulting Numbers: [15, 56] Generated Node #0,2,0: 55:[15, 56] Operation: 63-7=56 Exploring Operation: 63-15=48, Resulting Numbers: [7, 48] Generated Node #0,2,1: 55:[7, 48] Operation: 63-15=48 Exploring Operation: 63/7=9, Resulting Numbers: [15, 9] Generated Node #0,2,2: 55:[15, 9] Operation: 63/7=9 Moving to Node #0,2,0 Current State: 55:[15, 56], Operations: ['95-88=7', '63-7=56'] Exploring Operation: 15*56=840, Resulting Numbers: [840] 840,55 unequal: No Solution Exploring Operation: 56-15=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 15+56=71, Resulting Numbers: [71] 71,55 unequal: No Solution Moving to Node #0,2,2 Current State: 55:[15, 9], Operations: ['95-88=7', '63/7=9'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,55 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,55 unequal: No Solution Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,55 unequal: No Solution Moving to Node #0,2,1 Current State: 55:[7, 48], Operations: ['95-88=7', '63-15=48'] Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 7*48=336, Resulting Numbers: [336] 336,55 unequal: No Solution Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[95, 88, 63, 15], Operations: [] Exploring Operation: 95-88=7, Resulting Numbers: [63, 15, 7] Generated Node #0,2: 55:[63, 15, 7] Operation: 95-88=7 Moving to Node #0,2 Current State: 55:[63, 15, 7], Operations: ['95-88=7'] Exploring Operation: 63-15=48, Resulting Numbers: [7, 48] Generated Node #0,2,1: 55:[7, 48] Operation: 63-15=48 Moving to Node #0,2,1 Current State: 55:[7, 48], Operations: ['95-88=7', '63-15=48'] Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 68, 24, 53, 2 ]
75
[ "68-24=44", "44/2=22", "53+22=75" ]
Current State: 75:[68, 24, 53, 2], Operations: [] Exploring Operation: 68-24=44, Resulting Numbers: [53, 2, 44] Generated Node #2: [53, 2, 44] from Operation: 68-24=44 Current State: 75:[53, 2, 44], Operations: ['68-24=44'] Exploring Operation: 44/2=22, Resulting Numbers: [53, 22] Generated Node #3: [53, 22] from Operation: 44/2=22 Current State: 75:[53, 22], Operations: ['68-24=44', '44/2=22'] Exploring Operation: 53+22=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[68, 24, 53, 2], Operations: [] Exploring Operation: 68+2=70, Resulting Numbers: [24, 53, 70] Generated Node #0,0: 75:[24, 53, 70] Operation: 68+2=70 Exploring Operation: 24+53=77, Resulting Numbers: [68, 2, 77] Generated Node #0,1: 75:[68, 2, 77] Operation: 24+53=77 Exploring Operation: 68-53=15, Resulting Numbers: [24, 2, 15] Generated Node #0,2: 75:[24, 2, 15] Operation: 68-53=15 Exploring Operation: 53-24=29, Resulting Numbers: [68, 2, 29] Generated Node #0,3: 75:[68, 2, 29] Operation: 53-24=29 Moving to Node #0,2 Current State: 75:[24, 2, 15], Operations: ['68-53=15'] Exploring Operation: 24-2=22, Resulting Numbers: [15, 22] Generated Node #0,2,0: 75:[15, 22] Operation: 24-2=22 Exploring Operation: 2+15=17, Resulting Numbers: [24, 17] Generated Node #0,2,1: 75:[24, 17] Operation: 2+15=17 Exploring Operation: 24/2=12, Resulting Numbers: [15, 12] Generated Node #0,2,2: 75:[15, 12] Operation: 24/2=12 Exploring Operation: 24+2=26, Resulting Numbers: [15, 26] Generated Node #0,2,3: 75:[15, 26] Operation: 24+2=26 Moving to Node #0,1 Current State: 75:[68, 2, 77], Operations: ['24+53=77'] Exploring Operation: 68+2=70, Resulting Numbers: [77, 70] Generated Node #0,1,0: 75:[77, 70] Operation: 68+2=70 Exploring Operation: 77-2=75, Resulting Numbers: [68, 75] Generated Node #0,1,1: 75:[68, 75] Operation: 77-2=75 Exploring Operation: 68-2=66, Resulting Numbers: [77, 66] Generated Node #0,1,2: 75:[77, 66] Operation: 68-2=66 Exploring Operation: 77-68=9, Resulting Numbers: [2, 9] Generated Node #0,1,3: 75:[2, 9] Operation: 77-68=9 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 75:[2, 9], Operations: ['24+53=77', '77-68=9'] Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[77, 70], Operations: ['24+53=77', '68+2=70'] Exploring Operation: 77*70=5390, Resulting Numbers: [5390] 5390,75 unequal: No Solution Exploring Operation: 77-70=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 77+70=147, Resulting Numbers: [147] 147,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[68, 75], Operations: ['24+53=77', '77-2=75'] Exploring Operation: 68+75=143, Resulting Numbers: [143] 143,75 unequal: No Solution Exploring Operation: 68*75=5100, Resulting Numbers: [5100] 5100,75 unequal: No Solution Exploring Operation: 75-68=7, Resulting Numbers: [7] 7,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[77, 66], Operations: ['24+53=77', '68-2=66'] Exploring Operation: 77+66=143, Resulting Numbers: [143] 143,75 unequal: No Solution Exploring Operation: 77-66=11, Resulting Numbers: [11] 11,75 unequal: No Solution Exploring Operation: 77*66=5082, Resulting Numbers: [5082] 5082,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 75:[68, 2, 29], Operations: ['53-24=29'] Exploring Operation: 68/2=34, Resulting Numbers: [29, 34] Generated Node #0,3,0: 75:[29, 34] Operation: 68/2=34 Exploring Operation: 68+2=70, Resulting Numbers: [29, 70] Generated Node #0,3,1: 75:[29, 70] Operation: 68+2=70 Exploring Operation: 68-2=66, Resulting Numbers: [29, 66] Generated Node #0,3,2: 75:[29, 66] Operation: 68-2=66 Exploring Operation: 29-2=27, Resulting Numbers: [68, 27] Generated Node #0,3,3: 75:[68, 27] Operation: 29-2=27 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 75:[29, 70], Operations: ['53-24=29', '68+2=70'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 29+70=99, Resulting Numbers: [99] 99,75 unequal: No Solution Exploring Operation: 29*70=2030, Resulting Numbers: [2030] 2030,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 75:[68, 27], Operations: ['53-24=29', '29-2=27'] Exploring Operation: 68*27=1836, Resulting Numbers: [1836] 1836,75 unequal: No Solution Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 68+27=95, Resulting Numbers: [95] 95,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[29, 34], Operations: ['53-24=29', '68/2=34'] Exploring Operation: 29+34=63, Resulting Numbers: [63] 63,75 unequal: No Solution Exploring Operation: 29*34=986, Resulting Numbers: [986] 986,75 unequal: No Solution Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 75:[29, 66], Operations: ['53-24=29', '68-2=66'] Exploring Operation: 29*66=1914, Resulting Numbers: [1914] 1914,75 unequal: No Solution Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,75 unequal: No Solution Exploring Operation: 29+66=95, Resulting Numbers: [95] 95,75 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: 75:[24, 53, 70], Operations: ['68+2=70'] Exploring Operation: 24+53=77, Resulting Numbers: [70, 77] Generated Node #0,0,0: 75:[70, 77] Operation: 24+53=77 Exploring Operation: 24+70=94, Resulting Numbers: [53, 94] Generated Node #0,0,1: 75:[53, 94] Operation: 24+70=94 Exploring Operation: 53-24=29, Resulting Numbers: [70, 29] Generated Node #0,0,2: 75:[70, 29] Operation: 53-24=29 Exploring Operation: 70-53=17, Resulting Numbers: [24, 17] Generated Node #0,0,3: 75:[24, 17] Operation: 70-53=17 Moving to Node #0,2,3 Current State: 75:[15, 26], Operations: ['68-53=15', '24+2=26'] Exploring Operation: 15+26=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 15*26=390, Resulting Numbers: [390] 390,75 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[24, 17], Operations: ['68-53=15', '2+15=17'] Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,75 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[15, 22], Operations: ['68-53=15', '24-2=22'] Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,75 unequal: No Solution Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,75 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,75 unequal: No Solution Moving to Node #0,0,3 Current State: 75:[24, 17], Operations: ['68+2=70', '70-53=17'] Exploring Operation: 24+17=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 24*17=408, Resulting Numbers: [408] 408,75 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[15, 12], Operations: ['68-53=15', '24/2=12'] Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[70, 77], Operations: ['68+2=70', '24+53=77'] Exploring Operation: 77-70=7, Resulting Numbers: [7] 7,75 unequal: No Solution Exploring Operation: 70+77=147, Resulting Numbers: [147] 147,75 unequal: No Solution Exploring Operation: 70*77=5390, Resulting Numbers: [5390] 5390,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[70, 29], Operations: ['68+2=70', '53-24=29'] Exploring Operation: 70-29=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 70*29=2030, Resulting Numbers: [2030] 2030,75 unequal: No Solution Exploring Operation: 70+29=99, Resulting Numbers: [99] 99,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[53, 94], Operations: ['68+2=70', '24+70=94'] Exploring Operation: 94-53=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 53+94=147, Resulting Numbers: [147] 147,75 unequal: No Solution Exploring Operation: 53*94=4982, Resulting Numbers: [4982] 4982,75 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 53, 92, 68, 3 ]
80
[ "53+92=145", "68-3=65", "145-65=80" ]
Current State: 80:[53, 92, 68, 3], Operations: [] Exploring Operation: 53+92=145, Resulting Numbers: [68, 3, 145] Generated Node #2: [68, 3, 145] from Operation: 53+92=145 Current State: 80:[68, 3, 145], Operations: ['53+92=145'] Exploring Operation: 68-3=65, Resulting Numbers: [145, 65] Generated Node #3: [145, 65] from Operation: 68-3=65 Current State: 80:[145, 65], Operations: ['53+92=145', '68-3=65'] Exploring Operation: 145-65=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[53, 92, 68, 3], Operations: [] Exploring Operation: 53-3=50, Resulting Numbers: [92, 68, 50] Generated Node #0,0: 80:[92, 68, 50] Operation: 53-3=50 Exploring Operation: 92-53=39, Resulting Numbers: [68, 3, 39] Generated Node #0,1: 80:[68, 3, 39] Operation: 92-53=39 Exploring Operation: 68-53=15, Resulting Numbers: [92, 3, 15] Generated Node #0,2: 80:[92, 3, 15] Operation: 68-53=15 Exploring Operation: 92-68=24, Resulting Numbers: [53, 3, 24] Generated Node #0,3: 80:[53, 3, 24] Operation: 92-68=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[68, 3, 39], Operations: ['92-53=39'] Exploring Operation: 39/3=13, Resulting Numbers: [68, 13] Generated Node #0,1,0: 80:[68, 13] Operation: 39/3=13 Exploring Operation: 68-39=29, Resulting Numbers: [3, 29] Generated Node #0,1,1: 80:[3, 29] Operation: 68-39=29 Exploring Operation: 3+39=42, Resulting Numbers: [68, 42] Generated Node #0,1,2: 80:[68, 42] Operation: 3+39=42 Exploring Operation: 68+3=71, Resulting Numbers: [39, 71] Generated Node #0,1,3: 80:[39, 71] Operation: 68+3=71 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 80:[3, 29], Operations: ['92-53=39', '68-39=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,80 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,80 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,80 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 #0,1,3 Current State: 80:[39, 71], Operations: ['92-53=39', '68+3=71'] Exploring Operation: 39*71=2769, Resulting Numbers: [2769] 2769,80 unequal: No Solution Exploring Operation: 39+71=110, Resulting Numbers: [110] 110,80 unequal: No Solution Exploring Operation: 71-39=32, Resulting Numbers: [32] 32,80 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:[68, 42], Operations: ['92-53=39', '3+39=42'] Exploring Operation: 68+42=110, Resulting Numbers: [110] 110,80 unequal: No Solution Exploring Operation: 68*42=2856, Resulting Numbers: [2856] 2856,80 unequal: No Solution Exploring Operation: 68-42=26, Resulting Numbers: [26] 26,80 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:[68, 13], Operations: ['92-53=39', '39/3=13'] Exploring Operation: 68*13=884, Resulting Numbers: [884] 884,80 unequal: No Solution Exploring Operation: 68+13=81, Resulting Numbers: [81] 81,80 unequal: No Solution Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,80 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: 80:[92, 3, 15], Operations: ['68-53=15'] Exploring Operation: 92-15=77, Resulting Numbers: [3, 77] Generated Node #0,2,0: 80:[3, 77] Operation: 92-15=77 Exploring Operation: 92-3=89, Resulting Numbers: [15, 89] Generated Node #0,2,1: 80:[15, 89] Operation: 92-3=89 Exploring Operation: 3+15=18, Resulting Numbers: [92, 18] Generated Node #0,2,2: 80:[92, 18] Operation: 3+15=18 Exploring Operation: 15/3=5, Resulting Numbers: [92, 5] Generated Node #0,2,3: 80:[92, 5] Operation: 15/3=5 Moving to Node #0,2,0 Current State: 80:[3, 77], Operations: ['68-53=15', '92-15=77'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,80 unequal: No Solution Exploring Operation: 3*77=231, Resulting Numbers: [231] 231,80 unequal: No Solution Exploring Operation: 3+77=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[53, 92, 68, 3], Operations: [] Exploring Operation: 68-53=15, Resulting Numbers: [92, 3, 15] Generated Node #0,2: 80:[92, 3, 15] Operation: 68-53=15 Moving to Node #0,2 Current State: 80:[92, 3, 15], Operations: ['68-53=15'] Exploring Operation: 92-15=77, Resulting Numbers: [3, 77] Generated Node #0,2,0: 80:[3, 77] Operation: 92-15=77 Moving to Node #0,2,0 Current State: 80:[3, 77], Operations: ['68-53=15', '92-15=77'] Exploring Operation: 3+77=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 32, 64, 64, 23 ]
92
[ "64+64=128", "128/32=4", "23*4=92" ]
Current State: 92:[32, 64, 64, 23], Operations: [] Exploring Operation: 64+64=128, Resulting Numbers: [32, 23, 128] Generated Node #2: [32, 23, 128] from Operation: 64+64=128 Current State: 92:[32, 23, 128], Operations: ['64+64=128'] Exploring Operation: 128/32=4, Resulting Numbers: [23, 4] Generated Node #3: [23, 4] from Operation: 128/32=4 Current State: 92:[23, 4], Operations: ['64+64=128', '128/32=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[32, 64, 64, 23], Operations: [] Exploring Operation: 64-64=0, Resulting Numbers: [32, 23, 0] Generated Node #0,0: 92:[32, 23, 0] Operation: 64-64=0 Exploring Operation: 64/32=2, Resulting Numbers: [64, 23, 2] Generated Node #0,1: 92:[64, 23, 2] Operation: 64/32=2 Exploring Operation: 64/64=1, Resulting Numbers: [32, 23, 1] Generated Node #0,2: 92:[32, 23, 1] Operation: 64/64=1 Moving to Node #0,2 Current State: 92:[32, 23, 1], Operations: ['64/64=1'] Exploring Operation: 32*1=32, Resulting Numbers: [23, 32] Generated Node #0,2,0: 92:[23, 32] Operation: 32*1=32 Exploring Operation: 32-23=9, Resulting Numbers: [1, 9] Generated Node #0,2,1: 92:[1, 9] Operation: 32-23=9 Exploring Operation: 32-1=31, Resulting Numbers: [23, 31] Generated Node #0,2,2: 92:[23, 31] Operation: 32-1=31 Moving to Node #0,0 Current State: 92:[32, 23, 0], Operations: ['64-64=0'] Exploring Operation: 32-23=9, Resulting Numbers: [0, 9] Generated Node #0,0,0: 92:[0, 9] Operation: 32-23=9 Exploring Operation: 32*0=0, Resulting Numbers: [23, 0] Generated Node #0,0,1: 92:[23, 0] Operation: 32*0=0 Exploring Operation: 32+0=32, Resulting Numbers: [23, 32] Generated Node #0,0,2: 92:[23, 32] Operation: 32+0=32 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[23, 0], Operations: ['64-64=0', '32*0=0'] Exploring Operation: 23+0=23, Resulting Numbers: [23] 23,92 unequal: No Solution Exploring Operation: 23*0=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 23-0=23, Resulting Numbers: [23] 23,92 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:[0, 9], Operations: ['64-64=0', '32-23=9'] Exploring Operation: 9-0=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 0*9=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 0+9=9, Resulting Numbers: [9] 9,92 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:[23, 32], Operations: ['64-64=0', '32+0=32'] Exploring Operation: 23*32=736, Resulting Numbers: [736] 736,92 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 23+32=55, Resulting Numbers: [55] 55,92 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: 92:[64, 23, 2], Operations: ['64/32=2'] Exploring Operation: 64/2=32, Resulting Numbers: [23, 32] Generated Node #0,1,0: 92:[23, 32] Operation: 64/2=32 Exploring Operation: 64+23=87, Resulting Numbers: [2, 87] Generated Node #0,1,1: 92:[2, 87] Operation: 64+23=87 Exploring Operation: 64-23=41, Resulting Numbers: [2, 41] Generated Node #0,1,2: 92:[2, 41] Operation: 64-23=41 Moving to Node #0,1,1 Current State: 92:[2, 87], Operations: ['64/32=2', '64+23=87'] Exploring Operation: 87-2=85, Resulting Numbers: [85] 85,92 unequal: No Solution Exploring Operation: 2*87=174, Resulting Numbers: [174] 174,92 unequal: No Solution Exploring Operation: 2+87=89, Resulting Numbers: [89] 89,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[2, 41], Operations: ['64/32=2', '64-23=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,92 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[1, 9], Operations: ['64/64=1', '32-23=9'] Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,92 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[23, 31], Operations: ['64/64=1', '32-1=31'] Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,92 unequal: No Solution Exploring Operation: 23*31=713, Resulting Numbers: [713] 713,92 unequal: No Solution Exploring Operation: 23+31=54, Resulting Numbers: [54] 54,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[23, 32], Operations: ['64/32=2', '64/2=32'] Exploring Operation: 23*32=736, Resulting Numbers: [736] 736,92 unequal: No Solution Exploring Operation: 23+32=55, Resulting Numbers: [55] 55,92 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[23, 32], Operations: ['64/64=1', '32*1=32'] Exploring Operation: 23+32=55, Resulting Numbers: [55] 55,92 unequal: No Solution Exploring Operation: 23*32=736, Resulting Numbers: [736] 736,92 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,92 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 77, 26, 56, 18 ]
98
[ "77*56=4312", "26+18=44", "4312/44=98" ]
Current State: 98:[77, 26, 56, 18], Operations: [] Exploring Operation: 77*56=4312, Resulting Numbers: [26, 18, 4312] Generated Node #2: [26, 18, 4312] from Operation: 77*56=4312 Current State: 98:[26, 18, 4312], Operations: ['77*56=4312'] Exploring Operation: 26+18=44, Resulting Numbers: [4312, 44] Generated Node #3: [4312, 44] from Operation: 26+18=44 Current State: 98:[4312, 44], Operations: ['77*56=4312', '26+18=44'] Exploring Operation: 4312/44=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[77, 26, 56, 18], Operations: [] Exploring Operation: 77-18=59, Resulting Numbers: [26, 56, 59] Generated Node #0,0: 98:[26, 56, 59] Operation: 77-18=59 Exploring Operation: 77+26=103, Resulting Numbers: [56, 18, 103] Generated Node #0,1: 98:[56, 18, 103] Operation: 77+26=103 Exploring Operation: 77-26=51, Resulting Numbers: [56, 18, 51] Generated Node #0,2: 98:[56, 18, 51] Operation: 77-26=51 Exploring Operation: 77-56=21, Resulting Numbers: [26, 18, 21] Generated Node #0,3: 98:[26, 18, 21] Operation: 77-56=21 Exploring Operation: 77+18=95, Resulting Numbers: [26, 56, 95] Generated Node #0,4: 98:[26, 56, 95] Operation: 77+18=95 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[56, 18, 51], Operations: ['77-26=51'] Exploring Operation: 51-18=33, Resulting Numbers: [56, 33] Generated Node #0,2,0: 98:[56, 33] Operation: 51-18=33 Exploring Operation: 56+18=74, Resulting Numbers: [51, 74] Generated Node #0,2,1: 98:[51, 74] Operation: 56+18=74 Exploring Operation: 56-51=5, Resulting Numbers: [18, 5] Generated Node #0,2,2: 98:[18, 5] Operation: 56-51=5 Exploring Operation: 56-18=38, Resulting Numbers: [51, 38] Generated Node #0,2,3: 98:[51, 38] Operation: 56-18=38 Exploring Operation: 56+51=107, Resulting Numbers: [18, 107] Generated Node #0,2,4: 98:[18, 107] Operation: 56+51=107 Moving to Node #0,2,2 Current State: 98:[18, 5], Operations: ['77-26=51', '56-51=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,98 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,98 unequal: No Solution Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,98 unequal: No Solution Moving to Node #0,2,4 Current State: 98:[18, 107], Operations: ['77-26=51', '56+51=107'] Exploring Operation: 18+107=125, Resulting Numbers: [125] 125,98 unequal: No Solution Exploring Operation: 18*107=1926, Resulting Numbers: [1926] 1926,98 unequal: No Solution Exploring Operation: 107-18=89, Resulting Numbers: [89] 89,98 unequal: No Solution Moving to Node #0,2,3 Current State: 98:[51, 38], Operations: ['77-26=51', '56-18=38'] Exploring Operation: 51+38=89, Resulting Numbers: [89] 89,98 unequal: No Solution Exploring Operation: 51*38=1938, Resulting Numbers: [1938] 1938,98 unequal: No Solution Exploring Operation: 51-38=13, Resulting Numbers: [13] 13,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[56, 33], Operations: ['77-26=51', '51-18=33'] Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,98 unequal: No Solution Exploring Operation: 56+33=89, Resulting Numbers: [89] 89,98 unequal: No Solution Exploring Operation: 56*33=1848, Resulting Numbers: [1848] 1848,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[51, 74], Operations: ['77-26=51', '56+18=74'] Exploring Operation: 51+74=125, Resulting Numbers: [125] 125,98 unequal: No Solution Exploring Operation: 51*74=3774, Resulting Numbers: [3774] 3774,98 unequal: No Solution Exploring Operation: 74-51=23, Resulting Numbers: [23] 23,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[56, 18, 103], Operations: ['77+26=103'] Exploring Operation: 103-56=47, Resulting Numbers: [18, 47] Generated Node #0,1,0: 98:[18, 47] Operation: 103-56=47 Exploring Operation: 56-18=38, Resulting Numbers: [103, 38] Generated Node #0,1,1: 98:[103, 38] Operation: 56-18=38 Exploring Operation: 18+103=121, Resulting Numbers: [56, 121] Generated Node #0,1,2: 98:[56, 121] Operation: 18+103=121 Exploring Operation: 103-18=85, Resulting Numbers: [56, 85] Generated Node #0,1,3: 98:[56, 85] Operation: 103-18=85 Exploring Operation: 56+18=74, Resulting Numbers: [103, 74] Generated Node #0,1,4: 98:[103, 74] Operation: 56+18=74 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[18, 47], Operations: ['77+26=103', '103-56=47'] Exploring Operation: 18*47=846, Resulting Numbers: [846] 846,98 unequal: No Solution Exploring Operation: 18+47=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 47-18=29, Resulting Numbers: [29] 29,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[103, 38], Operations: ['77+26=103', '56-18=38'] Exploring Operation: 103-38=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 103+38=141, Resulting Numbers: [141] 141,98 unequal: No Solution Exploring Operation: 103*38=3914, Resulting Numbers: [3914] 3914,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 98:[56, 85], Operations: ['77+26=103', '103-18=85'] Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,98 unequal: No Solution Exploring Operation: 56*85=4760, Resulting Numbers: [4760] 4760,98 unequal: No Solution Exploring Operation: 56+85=141, Resulting Numbers: [141] 141,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 98:[103, 74], Operations: ['77+26=103', '56+18=74'] Exploring Operation: 103*74=7622, Resulting Numbers: [7622] 7622,98 unequal: No Solution Exploring Operation: 103+74=177, Resulting Numbers: [177] 177,98 unequal: No Solution Exploring Operation: 103-74=29, Resulting Numbers: [29] 29,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[56, 121], Operations: ['77+26=103', '18+103=121'] Exploring Operation: 121-56=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 56+121=177, Resulting Numbers: [177] 177,98 unequal: No Solution Exploring Operation: 56*121=6776, Resulting Numbers: [6776] 6776,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 98:[26, 56, 95], Operations: ['77+18=95'] Exploring Operation: 95-26=69, Resulting Numbers: [56, 69] Generated Node #0,4,0: 98:[56, 69] Operation: 95-26=69 Exploring Operation: 26+56=82, Resulting Numbers: [95, 82] Generated Node #0,4,1: 98:[95, 82] Operation: 26+56=82 Exploring Operation: 95-56=39, Resulting Numbers: [26, 39] Generated Node #0,4,2: 98:[26, 39] Operation: 95-56=39 Exploring Operation: 26+95=121, Resulting Numbers: [56, 121] Generated Node #0,4,3: 98:[56, 121] Operation: 26+95=121 Exploring Operation: 56-26=30, Resulting Numbers: [95, 30] Generated Node #0,4,4: 98:[95, 30] Operation: 56-26=30 Moving to Node #0,4,1 Current State: 98:[95, 82], Operations: ['77+18=95', '26+56=82'] Exploring Operation: 95*82=7790, Resulting Numbers: [7790] 7790,98 unequal: No Solution Exploring Operation: 95+82=177, Resulting Numbers: [177] 177,98 unequal: No Solution Exploring Operation: 95-82=13, Resulting Numbers: [13] 13,98 unequal: No Solution Moving to Node #0,4,4 Current State: 98:[95, 30], Operations: ['77+18=95', '56-26=30'] Exploring Operation: 95*30=2850, Resulting Numbers: [2850] 2850,98 unequal: No Solution Exploring Operation: 95+30=125, Resulting Numbers: [125] 125,98 unequal: No Solution Exploring Operation: 95-30=65, Resulting Numbers: [65] 65,98 unequal: No Solution Moving to Node #0,4,2 Current State: 98:[26, 39], Operations: ['77+18=95', '95-56=39'] Exploring Operation: 26*39=1014, Resulting Numbers: [1014] 1014,98 unequal: No Solution Exploring Operation: 39-26=13, Resulting Numbers: [13] 13,98 unequal: No Solution Exploring Operation: 26+39=65, Resulting Numbers: [65] 65,98 unequal: No Solution Moving to Node #0,4,0 Current State: 98:[56, 69], Operations: ['77+18=95', '95-26=69'] Exploring Operation: 69-56=13, Resulting Numbers: [13] 13,98 unequal: No Solution Exploring Operation: 56*69=3864, Resulting Numbers: [3864] 3864,98 unequal: No Solution Exploring Operation: 56+69=125, Resulting Numbers: [125] 125,98 unequal: No Solution Moving to Node #0,4,3 Current State: 98:[56, 121], Operations: ['77+18=95', '26+95=121'] Exploring Operation: 121-56=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 56+121=177, Resulting Numbers: [177] 177,98 unequal: No Solution Exploring Operation: 56*121=6776, Resulting Numbers: [6776] 6776,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[26, 18, 21], Operations: ['77-56=21'] Exploring Operation: 26+21=47, Resulting Numbers: [18, 47] Generated Node #0,3,0: 98:[18, 47] Operation: 26+21=47 Exploring Operation: 26-18=8, Resulting Numbers: [21, 8] Generated Node #0,3,1: 98:[21, 8] Operation: 26-18=8 Exploring Operation: 26-21=5, Resulting Numbers: [18, 5] Generated Node #0,3,2: 98:[18, 5] Operation: 26-21=5 Exploring Operation: 21-18=3, Resulting Numbers: [26, 3] Generated Node #0,3,3: 98:[26, 3] Operation: 21-18=3 Exploring Operation: 26+18=44, Resulting Numbers: [21, 44] Generated Node #0,3,4: 98:[21, 44] Operation: 26+18=44 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 98:[18, 47], Operations: ['77-56=21', '26+21=47'] Exploring Operation: 47-18=29, Resulting Numbers: [29] 29,98 unequal: No Solution Exploring Operation: 18*47=846, Resulting Numbers: [846] 846,98 unequal: No Solution Exploring Operation: 18+47=65, Resulting Numbers: [65] 65,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 98:[18, 5], Operations: ['77-56=21', '26-21=5'] Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,98 unequal: No Solution Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,98 unequal: No Solution Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 98:[21, 8], Operations: ['77-56=21', '26-18=8'] Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,98 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,98 unequal: No Solution Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 98:[21, 44], Operations: ['77-56=21', '26+18=44'] Exploring Operation: 21+44=65, Resulting Numbers: [65] 65,98 unequal: No Solution Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,98 unequal: No Solution Exploring Operation: 21*44=924, Resulting Numbers: [924] 924,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 98:[26, 3], Operations: ['77-56=21', '21-18=3'] Exploring Operation: 26+3=29, Resulting Numbers: [29] 29,98 unequal: No Solution Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[26, 56, 59], Operations: ['77-18=59'] Exploring Operation: 26+56=82, Resulting Numbers: [59, 82] Generated Node #0,0,0: 98:[59, 82] Operation: 26+56=82 Exploring Operation: 56-26=30, Resulting Numbers: [59, 30] Generated Node #0,0,1: 98:[59, 30] Operation: 56-26=30 Exploring Operation: 59-26=33, Resulting Numbers: [56, 33] Generated Node #0,0,2: 98:[56, 33] Operation: 59-26=33 Exploring Operation: 26+59=85, Resulting Numbers: [56, 85] Generated Node #0,0,3: 98:[56, 85] Operation: 26+59=85 Exploring Operation: 59-56=3, Resulting Numbers: [26, 3] Generated Node #0,0,4: 98:[26, 3] Operation: 59-56=3 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 98:[26, 3], Operations: ['77-18=59', '59-56=3'] Exploring Operation: 26+3=29, Resulting Numbers: [29] 29,98 unequal: No Solution Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 98:[56, 85], Operations: ['77-18=59', '26+59=85'] Exploring Operation: 56+85=141, Resulting Numbers: [141] 141,98 unequal: No Solution Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,98 unequal: No Solution Exploring Operation: 56*85=4760, Resulting Numbers: [4760] 4760,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 98:[56, 33], Operations: ['77-18=59', '59-26=33'] Exploring Operation: 56*33=1848, Resulting Numbers: [1848] 1848,98 unequal: No Solution Exploring Operation: 56-33=23, Resulting Numbers: [23] 23,98 unequal: No Solution Exploring Operation: 56+33=89, Resulting Numbers: [89] 89,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[59, 82], Operations: ['77-18=59', '26+56=82'] Exploring Operation: 59+82=141, Resulting Numbers: [141] 141,98 unequal: No Solution Exploring Operation: 59*82=4838, Resulting Numbers: [4838] 4838,98 unequal: No Solution Exploring Operation: 82-59=23, Resulting Numbers: [23] 23,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[59, 30], Operations: ['77-18=59', '56-26=30'] Exploring Operation: 59*30=1770, Resulting Numbers: [1770] 1770,98 unequal: No Solution Exploring Operation: 59+30=89, Resulting Numbers: [89] 89,98 unequal: No Solution Exploring Operation: 59-30=29, Resulting Numbers: [29] 29,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 30, 53, 15, 83 ]
91
[ "53-30=23", "83-15=68", "23+68=91" ]
Current State: 91:[30, 53, 15, 83], Operations: [] Exploring Operation: 53-30=23, Resulting Numbers: [15, 83, 23] Generated Node #2: [15, 83, 23] from Operation: 53-30=23 Current State: 91:[15, 83, 23], Operations: ['53-30=23'] Exploring Operation: 83-15=68, Resulting Numbers: [23, 68] Generated Node #3: [23, 68] from Operation: 83-15=68 Current State: 91:[23, 68], Operations: ['53-30=23', '83-15=68'] Exploring Operation: 23+68=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[30, 53, 15, 83], Operations: [] Exploring Operation: 30+53=83, Resulting Numbers: [15, 83, 83] Generated Node #0,0: 91:[15, 83, 83] Operation: 30+53=83 Exploring Operation: 53-30=23, Resulting Numbers: [15, 83, 23] Generated Node #0,1: 91:[15, 83, 23] Operation: 53-30=23 Exploring Operation: 83-53=30, Resulting Numbers: [30, 15, 30] Generated Node #0,2: 91:[30, 15, 30] Operation: 83-53=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[15, 83, 83], Operations: ['30+53=83'] Exploring Operation: 83/83=1, Resulting Numbers: [15, 1] Generated Node #0,0,0: 91:[15, 1] Operation: 83/83=1 Exploring Operation: 15+83=98, Resulting Numbers: [83, 98] Generated Node #0,0,1: 91:[83, 98] Operation: 15+83=98 Exploring Operation: 83-83=0, Resulting Numbers: [15, 0] Generated Node #0,0,2: 91:[15, 0] Operation: 83-83=0 Moving to Node #0,0,0 Current State: 91:[15, 1], Operations: ['30+53=83', '83/83=1'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,91 unequal: No Solution Exploring Operation: 15*1=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[15, 0], Operations: ['30+53=83', '83-83=0'] Exploring Operation: 15+0=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 15*0=0, Resulting Numbers: [0] 0,91 unequal: No Solution Exploring Operation: 15-0=15, Resulting Numbers: [15] 15,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[83, 98], Operations: ['30+53=83', '15+83=98'] Exploring Operation: 98-83=15, Resulting Numbers: [15] 15,91 unequal: No Solution Exploring Operation: 83+98=181, Resulting Numbers: [181] 181,91 unequal: No Solution Exploring Operation: 83*98=8134, Resulting Numbers: [8134] 8134,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 91:[15, 83, 23], Operations: ['53-30=23'] Exploring Operation: 23-15=8, Resulting Numbers: [83, 8] Generated Node #0,1,0: 91:[83, 8] Operation: 23-15=8 Exploring Operation: 83+23=106, Resulting Numbers: [15, 106] Generated Node #0,1,1: 91:[15, 106] Operation: 83+23=106 Exploring Operation: 15+83=98, Resulting Numbers: [23, 98] Generated Node #0,1,2: 91:[23, 98] Operation: 15+83=98 Moving to Node #0,1,0 Current State: 91:[83, 8], Operations: ['53-30=23', '23-15=8'] Exploring Operation: 83+8=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[30, 53, 15, 83], Operations: [] Exploring Operation: 53-30=23, Resulting Numbers: [15, 83, 23] Generated Node #0,1: 91:[15, 83, 23] Operation: 53-30=23 Moving to Node #0,1 Current State: 91:[15, 83, 23], Operations: ['53-30=23'] Exploring Operation: 23-15=8, Resulting Numbers: [83, 8] Generated Node #0,1,0: 91:[83, 8] Operation: 23-15=8 Moving to Node #0,1,0 Current State: 91:[83, 8], Operations: ['53-30=23', '23-15=8'] Exploring Operation: 83+8=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 69, 2, 38, 93 ]
16
[ "69+2=71", "93-38=55", "71-55=16" ]
Current State: 16:[69, 2, 38, 93], Operations: [] Exploring Operation: 69+2=71, Resulting Numbers: [38, 93, 71] Generated Node #2: [38, 93, 71] from Operation: 69+2=71 Current State: 16:[38, 93, 71], Operations: ['69+2=71'] Exploring Operation: 93-38=55, Resulting Numbers: [71, 55] Generated Node #3: [71, 55] from Operation: 93-38=55 Current State: 16:[71, 55], Operations: ['69+2=71', '93-38=55'] Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[69, 2, 38, 93], Operations: [] Exploring Operation: 69-38=31, Resulting Numbers: [2, 93, 31] Generated Node #0,0: 16:[2, 93, 31] Operation: 69-38=31 Exploring Operation: 69-2=67, Resulting Numbers: [38, 93, 67] Generated Node #0,1: 16:[38, 93, 67] Operation: 69-2=67 Exploring Operation: 93-69=24, Resulting Numbers: [2, 38, 24] Generated Node #0,2: 16:[2, 38, 24] Operation: 93-69=24 Exploring Operation: 38/2=19, Resulting Numbers: [69, 93, 19] Generated Node #0,3: 16:[69, 93, 19] Operation: 38/2=19 Exploring Operation: 93-38=55, Resulting Numbers: [69, 2, 55] Generated Node #0,4: 16:[69, 2, 55] Operation: 93-38=55 Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[2, 38, 24], Operations: ['93-69=24'] Exploring Operation: 24-2=22, Resulting Numbers: [38, 22] Generated Node #0,2,0: 16:[38, 22] Operation: 24-2=22 Exploring Operation: 24/2=12, Resulting Numbers: [38, 12] Generated Node #0,2,1: 16:[38, 12] Operation: 24/2=12 Exploring Operation: 38-2=36, Resulting Numbers: [24, 36] Generated Node #0,2,2: 16:[24, 36] Operation: 38-2=36 Exploring Operation: 38/2=19, Resulting Numbers: [24, 19] Generated Node #0,2,3: 16:[24, 19] Operation: 38/2=19 Exploring Operation: 38-24=14, Resulting Numbers: [2, 14] Generated Node #0,2,4: 16:[2, 14] Operation: 38-24=14 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 16:[2, 14], Operations: ['93-69=24', '38-24=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[69, 2, 38, 93], Operations: [] Exploring Operation: 93-69=24, Resulting Numbers: [2, 38, 24] Generated Node #0,2: 16:[2, 38, 24] Operation: 93-69=24 Moving to Node #0,2 Current State: 16:[2, 38, 24], Operations: ['93-69=24'] Exploring Operation: 38-24=14, Resulting Numbers: [2, 14] Generated Node #0,2,4: 16:[2, 14] Operation: 38-24=14 Moving to Node #0,2,4 Current State: 16:[2, 14], Operations: ['93-69=24', '38-24=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 7, 14, 8, 26 ]
25
[ "14-7=7", "26-8=18", "7+18=25" ]
Current State: 25:[7, 14, 8, 26], Operations: [] Exploring Operation: 14-7=7, Resulting Numbers: [8, 26, 7] Generated Node #2: [8, 26, 7] from Operation: 14-7=7 Current State: 25:[8, 26, 7], Operations: ['14-7=7'] Exploring Operation: 26-8=18, Resulting Numbers: [7, 18] Generated Node #3: [7, 18] from Operation: 26-8=18 Current State: 25:[7, 18], Operations: ['14-7=7', '26-8=18'] Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[7, 14, 8, 26], Operations: [] Exploring Operation: 14-8=6, Resulting Numbers: [7, 26, 6] Generated Node #0,0: 25:[7, 26, 6] Operation: 14-8=6 Exploring Operation: 14-7=7, Resulting Numbers: [8, 26, 7] Generated Node #0,1: 25:[8, 26, 7] Operation: 14-7=7 Moving to Node #0,0 Current State: 25:[7, 26, 6], Operations: ['14-8=6'] Exploring Operation: 7-6=1, Resulting Numbers: [26, 1] Generated Node #0,0,0: 25:[26, 1] Operation: 7-6=1 Exploring Operation: 26-7=19, Resulting Numbers: [6, 19] Generated Node #0,0,1: 25:[6, 19] Operation: 26-7=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[26, 1], Operations: ['14-8=6', '7-6=1'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[7, 14, 8, 26], Operations: [] Exploring Operation: 14-8=6, Resulting Numbers: [7, 26, 6] Generated Node #0,0: 25:[7, 26, 6] Operation: 14-8=6 Moving to Node #0,0 Current State: 25:[7, 26, 6], Operations: ['14-8=6'] Exploring Operation: 7-6=1, Resulting Numbers: [26, 1] Generated Node #0,0,0: 25:[26, 1] Operation: 7-6=1 Moving to Node #0,0,0 Current State: 25:[26, 1], Operations: ['14-8=6', '7-6=1'] Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 92, 6, 7, 69 ]
29
[ "92+69=161", "161/7=23", "6+23=29" ]
Current State: 29:[92, 6, 7, 69], Operations: [] Exploring Operation: 92+69=161, Resulting Numbers: [6, 7, 161] Generated Node #2: [6, 7, 161] from Operation: 92+69=161 Current State: 29:[6, 7, 161], Operations: ['92+69=161'] Exploring Operation: 161/7=23, Resulting Numbers: [6, 23] Generated Node #3: [6, 23] from Operation: 161/7=23 Current State: 29:[6, 23], Operations: ['92+69=161', '161/7=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[92, 6, 7, 69], Operations: [] Exploring Operation: 6+7=13, Resulting Numbers: [92, 69, 13] Generated Node #0,0: 29:[92, 69, 13] Operation: 6+7=13 Exploring Operation: 92-6=86, Resulting Numbers: [7, 69, 86] Generated Node #0,1: 29:[7, 69, 86] Operation: 92-6=86 Exploring Operation: 92-7=85, Resulting Numbers: [6, 69, 85] Generated Node #0,2: 29:[6, 69, 85] Operation: 92-7=85 Exploring Operation: 6*7=42, Resulting Numbers: [92, 69, 42] Generated Node #0,3: 29:[92, 69, 42] Operation: 6*7=42 Exploring Operation: 92-69=23, Resulting Numbers: [6, 7, 23] Generated Node #0,4: 29:[6, 7, 23] Operation: 92-69=23 Start Sub Search at level 1: Moving to Node #0,4 Current State: 29:[6, 7, 23], Operations: ['92-69=23'] Exploring Operation: 7-6=1, Resulting Numbers: [23, 1] Generated Node #0,4,0: 29:[23, 1] Operation: 7-6=1 Exploring Operation: 6+7=13, Resulting Numbers: [23, 13] Generated Node #0,4,1: 29:[23, 13] Operation: 6+7=13 Exploring Operation: 6*7=42, Resulting Numbers: [23, 42] Generated Node #0,4,2: 29:[23, 42] Operation: 6*7=42 Exploring Operation: 7+23=30, Resulting Numbers: [6, 30] Generated Node #0,4,3: 29:[6, 30] Operation: 7+23=30 Exploring Operation: 6+23=29, Resulting Numbers: [7, 29] Generated Node #0,4,4: 29:[7, 29] Operation: 6+23=29 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 29:[23, 42], Operations: ['92-69=23', '6*7=42'] Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,29 unequal: No Solution Exploring Operation: 23+42=65, Resulting Numbers: [65] 65,29 unequal: No Solution Exploring Operation: 23*42=966, Resulting Numbers: [966] 966,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 29:[23, 13], Operations: ['92-69=23', '6+7=13'] Exploring Operation: 23+13=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 23*13=299, Resulting Numbers: [299] 299,29 unequal: No Solution Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 29:[7, 29], Operations: ['92-69=23', '6+23=29'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 7+29=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 7*29=203, Resulting Numbers: [203] 203,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 29:[6, 30], Operations: ['92-69=23', '7+23=30'] Exploring Operation: 6+30=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,29 unequal: No Solution Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,29 unequal: No Solution Exploring Operation: 6*30=180, Resulting Numbers: [180] 180,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 29:[23, 1], Operations: ['92-69=23', '7-6=1'] Exploring Operation: 23+1=24, Resulting Numbers: [24] 24,29 unequal: No Solution Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,29 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 23*1=23, Resulting Numbers: [23] 23,29 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: 29:[92, 69, 42], Operations: ['6*7=42'] Exploring Operation: 92-69=23, Resulting Numbers: [42, 23] Generated Node #0,3,0: 29:[42, 23] Operation: 92-69=23 Exploring Operation: 92-42=50, Resulting Numbers: [69, 50] Generated Node #0,3,1: 29:[69, 50] Operation: 92-42=50 Exploring Operation: 69-42=27, Resulting Numbers: [92, 27] Generated Node #0,3,2: 29:[92, 27] Operation: 69-42=27 Exploring Operation: 92+42=134, Resulting Numbers: [69, 134] Generated Node #0,3,3: 29:[69, 134] Operation: 92+42=134 Exploring Operation: 92+69=161, Resulting Numbers: [42, 161] Generated Node #0,3,4: 29:[42, 161] Operation: 92+69=161 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 29:[42, 23], Operations: ['6*7=42', '92-69=23'] Exploring Operation: 42+23=65, Resulting Numbers: [65] 65,29 unequal: No Solution Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,29 unequal: No Solution Exploring Operation: 42*23=966, Resulting Numbers: [966] 966,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 29:[69, 50], Operations: ['6*7=42', '92-42=50'] Exploring Operation: 69-50=19, Resulting Numbers: [19] 19,29 unequal: No Solution Exploring Operation: 69+50=119, Resulting Numbers: [119] 119,29 unequal: No Solution Exploring Operation: 69*50=3450, Resulting Numbers: [3450] 3450,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 29:[92, 27], Operations: ['6*7=42', '69-42=27'] Exploring Operation: 92-27=65, Resulting Numbers: [65] 65,29 unequal: No Solution Exploring Operation: 92+27=119, Resulting Numbers: [119] 119,29 unequal: No Solution Exploring Operation: 92*27=2484, Resulting Numbers: [2484] 2484,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 29:[69, 134], Operations: ['6*7=42', '92+42=134'] Exploring Operation: 69+134=203, Resulting Numbers: [203] 203,29 unequal: No Solution Exploring Operation: 134-69=65, Resulting Numbers: [65] 65,29 unequal: No Solution Exploring Operation: 69*134=9246, Resulting Numbers: [9246] 9246,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 29:[42, 161], Operations: ['6*7=42', '92+69=161'] Exploring Operation: 42*161=6762, Resulting Numbers: [6762] 6762,29 unequal: No Solution Exploring Operation: 42+161=203, Resulting Numbers: [203] 203,29 unequal: No Solution Exploring Operation: 161-42=119, Resulting Numbers: [119] 119,29 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: 29:[92, 69, 13], Operations: ['6+7=13'] Exploring Operation: 69+13=82, Resulting Numbers: [92, 82] Generated Node #0,0,0: 29:[92, 82] Operation: 69+13=82 Exploring Operation: 69-13=56, Resulting Numbers: [92, 56] Generated Node #0,0,1: 29:[92, 56] Operation: 69-13=56 Exploring Operation: 92+13=105, Resulting Numbers: [69, 105] Generated Node #0,0,2: 29:[69, 105] Operation: 92+13=105 Exploring Operation: 92-13=79, Resulting Numbers: [69, 79] Generated Node #0,0,3: 29:[69, 79] Operation: 92-13=79 Exploring Operation: 92-69=23, Resulting Numbers: [13, 23] Generated Node #0,0,4: 29:[13, 23] Operation: 92-69=23 Moving to Node #0,0,4 Current State: 29:[13, 23], Operations: ['6+7=13', '92-69=23'] Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 13*23=299, Resulting Numbers: [299] 299,29 unequal: No Solution Moving to Node #0,0,3 Current State: 29:[69, 79], Operations: ['6+7=13', '92-13=79'] Exploring Operation: 79-69=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 69*79=5451, Resulting Numbers: [5451] 5451,29 unequal: No Solution Exploring Operation: 69+79=148, Resulting Numbers: [148] 148,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[92, 56], Operations: ['6+7=13', '69-13=56'] Exploring Operation: 92*56=5152, Resulting Numbers: [5152] 5152,29 unequal: No Solution Exploring Operation: 92+56=148, Resulting Numbers: [148] 148,29 unequal: No Solution Exploring Operation: 92-56=36, Resulting Numbers: [36] 36,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[92, 82], Operations: ['6+7=13', '69+13=82'] Exploring Operation: 92-82=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 92+82=174, Resulting Numbers: [174] 174,29 unequal: No Solution Exploring Operation: 92*82=7544, Resulting Numbers: [7544] 7544,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[69, 105], Operations: ['6+7=13', '92+13=105'] Exploring Operation: 69*105=7245, Resulting Numbers: [7245] 7245,29 unequal: No Solution Exploring Operation: 105-69=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 69+105=174, Resulting Numbers: [174] 174,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[7, 69, 86], Operations: ['92-6=86'] Exploring Operation: 69-7=62, Resulting Numbers: [86, 62] Generated Node #0,1,0: 29:[86, 62] Operation: 69-7=62 Exploring Operation: 7+86=93, Resulting Numbers: [69, 93] Generated Node #0,1,1: 29:[69, 93] Operation: 7+86=93 Exploring Operation: 86-7=79, Resulting Numbers: [69, 79] Generated Node #0,1,2: 29:[69, 79] Operation: 86-7=79 Exploring Operation: 7+69=76, Resulting Numbers: [86, 76] Generated Node #0,1,3: 29:[86, 76] Operation: 7+69=76 Exploring Operation: 86-69=17, Resulting Numbers: [7, 17] Generated Node #0,1,4: 29:[7, 17] Operation: 86-69=17 Moving to Node #0,1,4 Current State: 29:[7, 17], Operations: ['92-6=86', '86-69=17'] Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,29 unequal: No Solution Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,29 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[69, 79], Operations: ['92-6=86', '86-7=79'] Exploring Operation: 79-69=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 69+79=148, Resulting Numbers: [148] 148,29 unequal: No Solution Exploring Operation: 69*79=5451, Resulting Numbers: [5451] 5451,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[86, 62], Operations: ['92-6=86', '69-7=62'] Exploring Operation: 86*62=5332, Resulting Numbers: [5332] 5332,29 unequal: No Solution Exploring Operation: 86+62=148, Resulting Numbers: [148] 148,29 unequal: No Solution Exploring Operation: 86-62=24, Resulting Numbers: [24] 24,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[69, 93], Operations: ['92-6=86', '7+86=93'] Exploring Operation: 69*93=6417, Resulting Numbers: [6417] 6417,29 unequal: No Solution Exploring Operation: 93-69=24, Resulting Numbers: [24] 24,29 unequal: No Solution Exploring Operation: 69+93=162, Resulting Numbers: [162] 162,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[86, 76], Operations: ['92-6=86', '7+69=76'] Exploring Operation: 86+76=162, Resulting Numbers: [162] 162,29 unequal: No Solution Exploring Operation: 86*76=6536, Resulting Numbers: [6536] 6536,29 unequal: No Solution Exploring Operation: 86-76=10, Resulting Numbers: [10] 10,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[6, 69, 85], Operations: ['92-7=85'] Exploring Operation: 6+69=75, Resulting Numbers: [85, 75] Generated Node #0,2,0: 29:[85, 75] Operation: 6+69=75 Exploring Operation: 85-69=16, Resulting Numbers: [6, 16] Generated Node #0,2,1: 29:[6, 16] Operation: 85-69=16 Exploring Operation: 69-6=63, Resulting Numbers: [85, 63] Generated Node #0,2,2: 29:[85, 63] Operation: 69-6=63 Exploring Operation: 85-6=79, Resulting Numbers: [69, 79] Generated Node #0,2,3: 29:[69, 79] Operation: 85-6=79 Exploring Operation: 6+85=91, Resulting Numbers: [69, 91] Generated Node #0,2,4: 29:[69, 91] Operation: 6+85=91 Moving to Node #0,2,1 Current State: 29:[6, 16], Operations: ['92-7=85', '85-69=16'] Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,29 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[69, 79], Operations: ['92-7=85', '85-6=79'] Exploring Operation: 79-69=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 69*79=5451, Resulting Numbers: [5451] 5451,29 unequal: No Solution Exploring Operation: 69+79=148, Resulting Numbers: [148] 148,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[85, 63], Operations: ['92-7=85', '69-6=63'] Exploring Operation: 85*63=5355, Resulting Numbers: [5355] 5355,29 unequal: No Solution Exploring Operation: 85+63=148, Resulting Numbers: [148] 148,29 unequal: No Solution Exploring Operation: 85-63=22, Resulting Numbers: [22] 22,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[85, 75], Operations: ['92-7=85', '6+69=75'] Exploring Operation: 85-75=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 85*75=6375, Resulting Numbers: [6375] 6375,29 unequal: No Solution Exploring Operation: 85+75=160, Resulting Numbers: [160] 160,29 unequal: No Solution Moving to Node #0,2,4 Current State: 29:[69, 91], Operations: ['92-7=85', '6+85=91'] Exploring Operation: 69+91=160, Resulting Numbers: [160] 160,29 unequal: No Solution Exploring Operation: 91-69=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 69*91=6279, Resulting Numbers: [6279] 6279,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 14, 61, 44, 78 ]
81
[ "61-14=47", "78-44=34", "47+34=81" ]
Current State: 81:[14, 61, 44, 78], Operations: [] Exploring Operation: 61-14=47, Resulting Numbers: [44, 78, 47] Generated Node #2: [44, 78, 47] from Operation: 61-14=47 Current State: 81:[44, 78, 47], Operations: ['61-14=47'] Exploring Operation: 78-44=34, Resulting Numbers: [47, 34] Generated Node #3: [47, 34] from Operation: 78-44=34 Current State: 81:[47, 34], Operations: ['61-14=47', '78-44=34'] Exploring Operation: 47+34=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[14, 61, 44, 78], Operations: [] Exploring Operation: 61-44=17, Resulting Numbers: [14, 78, 17] Generated Node #0,0: 81:[14, 78, 17] Operation: 61-44=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[14, 78, 17], Operations: ['61-44=17'] Exploring Operation: 17-14=3, Resulting Numbers: [78, 3] Generated Node #0,0,0: 81:[78, 3] Operation: 17-14=3 Moving to Node #0,0,0 Current State: 81:[78, 3], Operations: ['61-44=17', '17-14=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[14, 61, 44, 78], Operations: [] Exploring Operation: 61-44=17, Resulting Numbers: [14, 78, 17] Generated Node #0,0: 81:[14, 78, 17] Operation: 61-44=17 Moving to Node #0,0 Current State: 81:[14, 78, 17], Operations: ['61-44=17'] Exploring Operation: 17-14=3, Resulting Numbers: [78, 3] Generated Node #0,0,0: 81:[78, 3] Operation: 17-14=3 Moving to Node #0,0,0 Current State: 81:[78, 3], Operations: ['61-44=17', '17-14=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 35, 18, 96, 12 ]
31
[ "35+18=53", "96-12=84", "84-53=31" ]
Current State: 31:[35, 18, 96, 12], Operations: [] Exploring Operation: 35+18=53, Resulting Numbers: [96, 12, 53] Generated Node #2: [96, 12, 53] from Operation: 35+18=53 Current State: 31:[96, 12, 53], Operations: ['35+18=53'] Exploring Operation: 96-12=84, Resulting Numbers: [53, 84] Generated Node #3: [53, 84] from Operation: 96-12=84 Current State: 31:[53, 84], Operations: ['35+18=53', '96-12=84'] Exploring Operation: 84-53=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[35, 18, 96, 12], Operations: [] Exploring Operation: 96-35=61, Resulting Numbers: [18, 12, 61] Generated Node #0,0: 31:[18, 12, 61] Operation: 96-35=61 Exploring Operation: 96/12=8, Resulting Numbers: [35, 18, 8] Generated Node #0,1: 31:[35, 18, 8] Operation: 96/12=8 Moving to Node #0,1 Current State: 31:[35, 18, 8], Operations: ['96/12=8'] Exploring Operation: 35-8=27, Resulting Numbers: [18, 27] Generated Node #0,1,0: 31:[18, 27] Operation: 35-8=27 Exploring Operation: 18+8=26, Resulting Numbers: [35, 26] Generated Node #0,1,1: 31:[35, 26] Operation: 18+8=26 Moving to Node #0,0 Current State: 31:[18, 12, 61], Operations: ['96-35=61'] Exploring Operation: 18+12=30, Resulting Numbers: [61, 30] Generated Node #0,0,0: 31:[61, 30] Operation: 18+12=30 Exploring Operation: 61-18=43, Resulting Numbers: [12, 43] Generated Node #0,0,1: 31:[12, 43] Operation: 61-18=43 Moving to Node #0,1,1 Current State: 31:[35, 26], Operations: ['96/12=8', '18+8=26'] Exploring Operation: 35-26=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 35+26=61, Resulting Numbers: [61] 61,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[18, 27], Operations: ['96/12=8', '35-8=27'] Exploring Operation: 18+27=45, Resulting Numbers: [45] 45,31 unequal: No Solution Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[12, 43], Operations: ['96-35=61', '61-18=43'] Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[35, 18, 96, 12], Operations: [] Exploring Operation: 96-35=61, Resulting Numbers: [18, 12, 61] Generated Node #0,0: 31:[18, 12, 61] Operation: 96-35=61 Moving to Node #0,0 Current State: 31:[18, 12, 61], Operations: ['96-35=61'] Exploring Operation: 61-18=43, Resulting Numbers: [12, 43] Generated Node #0,0,1: 31:[12, 43] Operation: 61-18=43 Moving to Node #0,0,1 Current State: 31:[12, 43], Operations: ['96-35=61', '61-18=43'] Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 11, 69, 55, 83 ]
66
[ "55*83=4565", "4565-11=4554", "4554/69=66" ]
Current State: 66:[11, 69, 55, 83], Operations: [] Exploring Operation: 55*83=4565, Resulting Numbers: [11, 69, 4565] Generated Node #2: [11, 69, 4565] from Operation: 55*83=4565 Current State: 66:[11, 69, 4565], Operations: ['55*83=4565'] Exploring Operation: 4565-11=4554, Resulting Numbers: [69, 4554] Generated Node #3: [69, 4554] from Operation: 4565-11=4554 Current State: 66:[69, 4554], Operations: ['55*83=4565', '4565-11=4554'] Exploring Operation: 4554/69=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[11, 69, 55, 83], Operations: [] Exploring Operation: 83-55=28, Resulting Numbers: [11, 69, 28] Generated Node #0,0: 66:[11, 69, 28] Operation: 83-55=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[11, 69, 28], Operations: ['83-55=28'] Exploring Operation: 28-11=17, Resulting Numbers: [69, 17] Generated Node #0,0,0: 66:[69, 17] Operation: 28-11=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 66:[69, 17], Operations: ['83-55=28', '28-11=17'] Exploring Operation: 69-17=52, Resulting Numbers: [52] 52,66 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
[ 99, 85, 91, 95 ]
24
[ "99-95=4", "91-85=6", "4*6=24" ]
Current State: 24:[99, 85, 91, 95], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [85, 91, 4] Generated Node #2: [85, 91, 4] from Operation: 99-95=4 Current State: 24:[85, 91, 4], Operations: ['99-95=4'] Exploring Operation: 91-85=6, Resulting Numbers: [4, 6] Generated Node #3: [4, 6] from Operation: 91-85=6 Current State: 24:[4, 6], Operations: ['99-95=4', '91-85=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[99, 85, 91, 95], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [85, 91, 4] Generated Node #0,0: 24:[85, 91, 4] Operation: 99-95=4 Exploring Operation: 95-91=4, Resulting Numbers: [99, 85, 4] Generated Node #0,1: 24:[99, 85, 4] Operation: 95-91=4 Exploring Operation: 99-85=14, Resulting Numbers: [91, 95, 14] Generated Node #0,2: 24:[91, 95, 14] Operation: 99-85=14 Exploring Operation: 95-85=10, Resulting Numbers: [99, 91, 10] Generated Node #0,3: 24:[99, 91, 10] Operation: 95-85=10 Exploring Operation: 99-91=8, Resulting Numbers: [85, 95, 8] Generated Node #0,4: 24:[85, 95, 8] Operation: 99-91=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[85, 91, 4], Operations: ['99-95=4'] Exploring Operation: 91+4=95, Resulting Numbers: [85, 95] Generated Node #0,0,0: 24:[85, 95] Operation: 91+4=95 Exploring Operation: 91-4=87, Resulting Numbers: [85, 87] Generated Node #0,0,1: 24:[85, 87] Operation: 91-4=87 Exploring Operation: 91-85=6, Resulting Numbers: [4, 6] Generated Node #0,0,2: 24:[4, 6] Operation: 91-85=6 Exploring Operation: 85+4=89, Resulting Numbers: [91, 89] Generated Node #0,0,3: 24:[91, 89] Operation: 85+4=89 Exploring Operation: 85-4=81, Resulting Numbers: [91, 81] Generated Node #0,0,4: 24:[91, 81] Operation: 85-4=81 Moving to Node #0,0,2 Current State: 24:[4, 6], Operations: ['99-95=4', '91-85=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[99, 85, 91, 95], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [85, 91, 4] Generated Node #0,0: 24:[85, 91, 4] Operation: 99-95=4 Moving to Node #0,0 Current State: 24:[85, 91, 4], Operations: ['99-95=4'] Exploring Operation: 91-85=6, Resulting Numbers: [4, 6] Generated Node #0,0,2: 24:[4, 6] Operation: 91-85=6 Moving to Node #0,0,2 Current State: 24:[4, 6], Operations: ['99-95=4', '91-85=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 48, 43, 15, 42 ]
47
[ "48-42=6", "15*6=90", "90-43=47" ]
Current State: 47:[48, 43, 15, 42], Operations: [] Exploring Operation: 48-42=6, Resulting Numbers: [43, 15, 6] Generated Node #2: [43, 15, 6] from Operation: 48-42=6 Current State: 47:[43, 15, 6], Operations: ['48-42=6'] Exploring Operation: 15*6=90, Resulting Numbers: [43, 90] Generated Node #3: [43, 90] from Operation: 15*6=90 Current State: 47:[43, 90], Operations: ['48-42=6', '15*6=90'] Exploring Operation: 90-43=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[48, 43, 15, 42], Operations: [] Exploring Operation: 48-15=33, Resulting Numbers: [43, 42, 33] Generated Node #0,0: 47:[43, 42, 33] Operation: 48-15=33 Exploring Operation: 15+42=57, Resulting Numbers: [48, 43, 57] Generated Node #0,1: 47:[48, 43, 57] Operation: 15+42=57 Exploring Operation: 43-15=28, Resulting Numbers: [48, 42, 28] Generated Node #0,2: 47:[48, 42, 28] Operation: 43-15=28 Exploring Operation: 48+15=63, Resulting Numbers: [43, 42, 63] Generated Node #0,3: 47:[43, 42, 63] Operation: 48+15=63 Exploring Operation: 43+15=58, Resulting Numbers: [48, 42, 58] Generated Node #0,4: 47:[48, 42, 58] Operation: 43+15=58 Moving to Node #0,1 Current State: 47:[48, 43, 57], Operations: ['15+42=57'] Exploring Operation: 57-43=14, Resulting Numbers: [48, 14] Generated Node #0,1,0: 47:[48, 14] Operation: 57-43=14 Exploring Operation: 48+43=91, Resulting Numbers: [57, 91] Generated Node #0,1,1: 47:[57, 91] Operation: 48+43=91 Exploring Operation: 43+57=100, Resulting Numbers: [48, 100] Generated Node #0,1,2: 47:[48, 100] Operation: 43+57=100 Exploring Operation: 57-48=9, Resulting Numbers: [43, 9] Generated Node #0,1,3: 47:[43, 9] Operation: 57-48=9 Exploring Operation: 48-43=5, Resulting Numbers: [57, 5] Generated Node #0,1,4: 47:[57, 5] Operation: 48-43=5 Moving to Node #0,4 Current State: 47:[48, 42, 58], Operations: ['43+15=58'] Exploring Operation: 42+58=100, Resulting Numbers: [48, 100] Generated Node #0,4,0: 47:[48, 100] Operation: 42+58=100 Exploring Operation: 48+42=90, Resulting Numbers: [58, 90] Generated Node #0,4,1: 47:[58, 90] Operation: 48+42=90 Exploring Operation: 48-42=6, Resulting Numbers: [58, 6] Generated Node #0,4,2: 47:[58, 6] Operation: 48-42=6 Exploring Operation: 58-42=16, Resulting Numbers: [48, 16] Generated Node #0,4,3: 47:[48, 16] Operation: 58-42=16 Exploring Operation: 58-48=10, Resulting Numbers: [42, 10] Generated Node #0,4,4: 47:[42, 10] Operation: 58-48=10 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 47:[48, 16], Operations: ['43+15=58', '58-42=16'] Exploring Operation: 48*16=768, Resulting Numbers: [768] 768,47 unequal: No Solution Exploring Operation: 48/16=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 48+16=64, Resulting Numbers: [64] 64,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 47:[42, 10], Operations: ['43+15=58', '58-48=10'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 47:[58, 6], Operations: ['43+15=58', '48-42=6'] Exploring Operation: 58*6=348, Resulting Numbers: [348] 348,47 unequal: No Solution Exploring Operation: 58+6=64, Resulting Numbers: [64] 64,47 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 47:[48, 100], Operations: ['43+15=58', '42+58=100'] Exploring Operation: 48*100=4800, Resulting Numbers: [4800] 4800,47 unequal: No Solution Exploring Operation: 48+100=148, Resulting Numbers: [148] 148,47 unequal: No Solution Exploring Operation: 100-48=52, Resulting Numbers: [52] 52,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 47:[58, 90], Operations: ['43+15=58', '48+42=90'] Exploring Operation: 58+90=148, Resulting Numbers: [148] 148,47 unequal: No Solution Exploring Operation: 90-58=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 58*90=5220, Resulting Numbers: [5220] 5220,47 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: 47:[43, 42, 33], Operations: ['48-15=33'] Exploring Operation: 43+33=76, Resulting Numbers: [42, 76] Generated Node #0,0,0: 47:[42, 76] Operation: 43+33=76 Exploring Operation: 43-33=10, Resulting Numbers: [42, 10] Generated Node #0,0,1: 47:[42, 10] Operation: 43-33=10 Exploring Operation: 42+33=75, Resulting Numbers: [43, 75] Generated Node #0,0,2: 47:[43, 75] Operation: 42+33=75 Exploring Operation: 42-33=9, Resulting Numbers: [43, 9] Generated Node #0,0,3: 47:[43, 9] Operation: 42-33=9 Exploring Operation: 43+42=85, Resulting Numbers: [33, 85] Generated Node #0,0,4: 47:[33, 85] Operation: 43+42=85 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 47:[43, 75], Operations: ['48-15=33', '42+33=75'] Exploring Operation: 43*75=3225, Resulting Numbers: [3225] 3225,47 unequal: No Solution Exploring Operation: 75-43=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 43+75=118, Resulting Numbers: [118] 118,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[42, 76], Operations: ['48-15=33', '43+33=76'] Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 42*76=3192, Resulting Numbers: [3192] 3192,47 unequal: No Solution Exploring Operation: 42+76=118, Resulting Numbers: [118] 118,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[42, 10], Operations: ['48-15=33', '43-33=10'] Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,47 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 47:[43, 9], Operations: ['48-15=33', '42-33=9'] Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,47 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 47:[33, 85], Operations: ['48-15=33', '43+42=85'] Exploring Operation: 33+85=118, Resulting Numbers: [118] 118,47 unequal: No Solution Exploring Operation: 85-33=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 33*85=2805, Resulting Numbers: [2805] 2805,47 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: 47:[48, 42, 28], Operations: ['43-15=28'] Exploring Operation: 48+28=76, Resulting Numbers: [42, 76] Generated Node #0,2,0: 47:[42, 76] Operation: 48+28=76 Exploring Operation: 42-28=14, Resulting Numbers: [48, 14] Generated Node #0,2,1: 47:[48, 14] Operation: 42-28=14 Exploring Operation: 48-28=20, Resulting Numbers: [42, 20] Generated Node #0,2,2: 47:[42, 20] Operation: 48-28=20 Exploring Operation: 42+28=70, Resulting Numbers: [48, 70] Generated Node #0,2,3: 47:[48, 70] Operation: 42+28=70 Exploring Operation: 48-42=6, Resulting Numbers: [28, 6] Generated Node #0,2,4: 47:[28, 6] Operation: 48-42=6 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 47:[48, 70], Operations: ['43-15=28', '42+28=70'] Exploring Operation: 48+70=118, Resulting Numbers: [118] 118,47 unequal: No Solution Exploring Operation: 48*70=3360, Resulting Numbers: [3360] 3360,47 unequal: No Solution Exploring Operation: 70-48=22, Resulting Numbers: [22] 22,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[42, 20], Operations: ['43-15=28', '48-28=20'] Exploring Operation: 42+20=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 42*20=840, Resulting Numbers: [840] 840,47 unequal: No Solution Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[42, 76], Operations: ['43-15=28', '48+28=76'] Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 42*76=3192, Resulting Numbers: [3192] 3192,47 unequal: No Solution Exploring Operation: 42+76=118, Resulting Numbers: [118] 118,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[48, 14], Operations: ['43-15=28', '42-28=14'] Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,47 unequal: No Solution Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 47:[28, 6], Operations: ['43-15=28', '48-42=6'] Exploring Operation: 28+6=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 28*6=168, Resulting Numbers: [168] 168,47 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: 47:[43, 42, 63], Operations: ['48+15=63'] Exploring Operation: 63-42=21, Resulting Numbers: [43, 21] Generated Node #0,3,0: 47:[43, 21] Operation: 63-42=21 Exploring Operation: 42+63=105, Resulting Numbers: [43, 105] Generated Node #0,3,1: 47:[43, 105] Operation: 42+63=105 Exploring Operation: 43+42=85, Resulting Numbers: [63, 85] Generated Node #0,3,2: 47:[63, 85] Operation: 43+42=85 Exploring Operation: 63-43=20, Resulting Numbers: [42, 20] Generated Node #0,3,3: 47:[42, 20] Operation: 63-43=20 Exploring Operation: 43-42=1, Resulting Numbers: [63, 1] Generated Node #0,3,4: 47:[63, 1] Operation: 43-42=1 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 47:[43, 21], Operations: ['48+15=63', '63-42=21'] Exploring Operation: 43-21=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 43*21=903, Resulting Numbers: [903] 903,47 unequal: No Solution Exploring Operation: 43+21=64, Resulting Numbers: [64] 64,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 47:[42, 20], Operations: ['48+15=63', '63-43=20'] Exploring Operation: 42+20=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 42*20=840, Resulting Numbers: [840] 840,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 47:[63, 85], Operations: ['48+15=63', '43+42=85'] Exploring Operation: 63+85=148, Resulting Numbers: [148] 148,47 unequal: No Solution Exploring Operation: 63*85=5355, Resulting Numbers: [5355] 5355,47 unequal: No Solution Exploring Operation: 85-63=22, Resulting Numbers: [22] 22,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 47:[43, 105], Operations: ['48+15=63', '42+63=105'] Exploring Operation: 105-43=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 43*105=4515, Resulting Numbers: [4515] 4515,47 unequal: No Solution Exploring Operation: 43+105=148, Resulting Numbers: [148] 148,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 47:[63, 1], Operations: ['48+15=63', '43-42=1'] Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,47 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,47 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: 47:[48, 14], Operations: ['15+42=57', '57-43=14'] Exploring Operation: 48+14=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 48-14=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 48*14=672, Resulting Numbers: [672] 672,47 unequal: No Solution Moving to Node #0,1,3 Current State: 47:[43, 9], Operations: ['15+42=57', '57-48=9'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,47 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,47 unequal: No Solution Moving to Node #0,1,4 Current State: 47:[57, 5], Operations: ['15+42=57', '48-43=5'] Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,47 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,47 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[57, 91], Operations: ['15+42=57', '48+43=91'] Exploring Operation: 57*91=5187, Resulting Numbers: [5187] 5187,47 unequal: No Solution Exploring Operation: 91-57=34, Resulting Numbers: [34] 34,47 unequal: No Solution Exploring Operation: 57+91=148, Resulting Numbers: [148] 148,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[48, 100], Operations: ['15+42=57', '43+57=100'] Exploring Operation: 48*100=4800, Resulting Numbers: [4800] 4800,47 unequal: No Solution Exploring Operation: 100-48=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 48+100=148, Resulting Numbers: [148] 148,47 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 55, 52, 56, 70 ]
17
[ "55-52=3", "70-56=14", "3+14=17" ]
Current State: 17:[55, 52, 56, 70], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [56, 70, 3] Generated Node #2: [56, 70, 3] from Operation: 55-52=3 Current State: 17:[56, 70, 3], Operations: ['55-52=3'] Exploring Operation: 70-56=14, Resulting Numbers: [3, 14] Generated Node #3: [3, 14] from Operation: 70-56=14 Current State: 17:[3, 14], Operations: ['55-52=3', '70-56=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[55, 52, 56, 70], Operations: [] Exploring Operation: 70-55=15, Resulting Numbers: [52, 56, 15] Generated Node #0,0: 17:[52, 56, 15] Operation: 70-55=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[52, 56, 15], Operations: ['70-55=15'] Exploring Operation: 56-52=4, Resulting Numbers: [15, 4] Generated Node #0,0,0: 17:[15, 4] Operation: 56-52=4 Moving to Node #0,0,0 Current State: 17:[15, 4], Operations: ['70-55=15', '56-52=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 70, 67, 84, 11 ]
92
[ "70-67=3", "84+11=95", "95-3=92" ]
Current State: 92:[70, 67, 84, 11], Operations: [] Exploring Operation: 70-67=3, Resulting Numbers: [84, 11, 3] Generated Node #2: [84, 11, 3] from Operation: 70-67=3 Current State: 92:[84, 11, 3], Operations: ['70-67=3'] Exploring Operation: 84+11=95, Resulting Numbers: [3, 95] Generated Node #3: [3, 95] from Operation: 84+11=95 Current State: 92:[3, 95], Operations: ['70-67=3', '84+11=95'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[70, 67, 84, 11], Operations: [] Exploring Operation: 70-67=3, Resulting Numbers: [84, 11, 3] Generated Node #0,0: 92:[84, 11, 3] Operation: 70-67=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[84, 11, 3], Operations: ['70-67=3'] Exploring Operation: 84+11=95, Resulting Numbers: [3, 95] Generated Node #0,0,0: 92:[3, 95] Operation: 84+11=95 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[3, 95], Operations: ['70-67=3', '84+11=95'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[70, 67, 84, 11], Operations: [] Exploring Operation: 70-67=3, Resulting Numbers: [84, 11, 3] Generated Node #0,0: 92:[84, 11, 3] Operation: 70-67=3 Moving to Node #0,0 Current State: 92:[84, 11, 3], Operations: ['70-67=3'] Exploring Operation: 84+11=95, Resulting Numbers: [3, 95] Generated Node #0,0,0: 92:[3, 95] Operation: 84+11=95 Moving to Node #0,0,0 Current State: 92:[3, 95], Operations: ['70-67=3', '84+11=95'] Exploring Operation: 95-3=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 57, 89, 84, 59 ]
94
[ "59-57=2", "89*2=178", "178-84=94" ]
Current State: 94:[57, 89, 84, 59], Operations: [] Exploring Operation: 59-57=2, Resulting Numbers: [89, 84, 2] Generated Node #2: [89, 84, 2] from Operation: 59-57=2 Current State: 94:[89, 84, 2], Operations: ['59-57=2'] Exploring Operation: 89*2=178, Resulting Numbers: [84, 178] Generated Node #3: [84, 178] from Operation: 89*2=178 Current State: 94:[84, 178], Operations: ['59-57=2', '89*2=178'] Exploring Operation: 178-84=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[57, 89, 84, 59], Operations: [] Exploring Operation: 89-84=5, Resulting Numbers: [57, 59, 5] Generated Node #0,0: 94:[57, 59, 5] Operation: 89-84=5 Exploring Operation: 59-57=2, Resulting Numbers: [89, 84, 2] Generated Node #0,1: 94:[89, 84, 2] Operation: 59-57=2 Moving to Node #0,1 Current State: 94:[89, 84, 2], Operations: ['59-57=2'] Exploring Operation: 89-84=5, Resulting Numbers: [2, 5] Generated Node #0,1,0: 94:[2, 5] Operation: 89-84=5 Exploring Operation: 84/2=42, Resulting Numbers: [89, 42] Generated Node #0,1,1: 94:[89, 42] Operation: 84/2=42 Moving to Node #0,0 Current State: 94:[57, 59, 5], Operations: ['89-84=5'] Exploring Operation: 59-57=2, Resulting Numbers: [5, 2] Generated Node #0,0,0: 94:[5, 2] Operation: 59-57=2 Exploring Operation: 57-5=52, Resulting Numbers: [59, 52] Generated Node #0,0,1: 94:[59, 52] Operation: 57-5=52 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[5, 2], Operations: ['89-84=5', '59-57=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,94 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,94 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:[59, 52], Operations: ['89-84=5', '57-5=52'] Exploring Operation: 59+52=111, Resulting Numbers: [111] 111,94 unequal: No Solution Exploring Operation: 59-52=7, Resulting Numbers: [7] 7,94 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: 94:[2, 5], Operations: ['59-57=2', '89-84=5'] Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,94 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[89, 42], Operations: ['59-57=2', '84/2=42'] Exploring Operation: 89-42=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 89+42=131, Resulting Numbers: [131] 131,94 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 79, 80, 80, 17 ]
79
[ "80-80=0", "17*0=0", "79+0=79" ]
Current State: 79:[79, 80, 80, 17], Operations: [] Exploring Operation: 80-80=0, Resulting Numbers: [79, 17, 0] Generated Node #2: [79, 17, 0] from Operation: 80-80=0 Current State: 79:[79, 17, 0], Operations: ['80-80=0'] Exploring Operation: 17*0=0, Resulting Numbers: [79, 0] Generated Node #3: [79, 0] from Operation: 17*0=0 Current State: 79:[79, 0], Operations: ['80-80=0', '17*0=0'] Exploring Operation: 79+0=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[79, 80, 80, 17], Operations: [] Exploring Operation: 80-17=63, Resulting Numbers: [79, 80, 63] Generated Node #0,0: 79:[79, 80, 63] Operation: 80-17=63 Exploring Operation: 79-17=62, Resulting Numbers: [80, 80, 62] Generated Node #0,1: 79:[80, 80, 62] Operation: 79-17=62 Exploring Operation: 79+17=96, Resulting Numbers: [80, 80, 96] Generated Node #0,2: 79:[80, 80, 96] Operation: 79+17=96 Exploring Operation: 80+17=97, Resulting Numbers: [79, 80, 97] Generated Node #0,3: 79:[79, 80, 97] Operation: 80+17=97 Exploring Operation: 80-17=63, Resulting Numbers: [79, 80, 63] Generated Node #0,4: 79:[79, 80, 63] Operation: 80-17=63 Moving to Node #0,0 Current State: 79:[79, 80, 63], Operations: ['80-17=63'] Exploring Operation: 80-79=1, Resulting Numbers: [63, 1] Generated Node #0,0,0: 79:[63, 1] Operation: 80-79=1 Exploring Operation: 80-63=17, Resulting Numbers: [79, 17] Generated Node #0,0,1: 79:[79, 17] Operation: 80-63=17 Exploring Operation: 79-63=16, Resulting Numbers: [80, 16] Generated Node #0,0,2: 79:[80, 16] Operation: 79-63=16 Exploring Operation: 79+63=142, Resulting Numbers: [80, 142] Generated Node #0,0,3: 79:[80, 142] Operation: 79+63=142 Exploring Operation: 80+63=143, Resulting Numbers: [79, 143] Generated Node #0,0,4: 79:[79, 143] Operation: 80+63=143 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[79, 17], Operations: ['80-17=63', '80-63=17'] Exploring Operation: 79*17=1343, Resulting Numbers: [1343] 1343,79 unequal: No Solution Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 79+17=96, Resulting Numbers: [96] 96,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[80, 16], Operations: ['80-17=63', '79-63=16'] Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 80*16=1280, Resulting Numbers: [1280] 1280,79 unequal: No Solution Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 80+16=96, Resulting Numbers: [96] 96,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 79:[80, 142], Operations: ['80-17=63', '79+63=142'] Exploring Operation: 80*142=11360, Resulting Numbers: [11360] 11360,79 unequal: No Solution Exploring Operation: 142-80=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 80+142=222, Resulting Numbers: [222] 222,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 79:[79, 143], Operations: ['80-17=63', '80+63=143'] Exploring Operation: 143-79=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 79+143=222, Resulting Numbers: [222] 222,79 unequal: No Solution Exploring Operation: 79*143=11297, Resulting Numbers: [11297] 11297,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[63, 1], Operations: ['80-17=63', '80-79=1'] Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,79 unequal: No Solution Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,79 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: 79:[79, 80, 63], Operations: ['80-17=63'] Exploring Operation: 80+63=143, Resulting Numbers: [79, 143] Generated Node #0,4,0: 79:[79, 143] Operation: 80+63=143 Exploring Operation: 80-79=1, Resulting Numbers: [63, 1] Generated Node #0,4,1: 79:[63, 1] Operation: 80-79=1 Exploring Operation: 79-63=16, Resulting Numbers: [80, 16] Generated Node #0,4,2: 79:[80, 16] Operation: 79-63=16 Exploring Operation: 79+63=142, Resulting Numbers: [80, 142] Generated Node #0,4,3: 79:[80, 142] Operation: 79+63=142 Exploring Operation: 80-63=17, Resulting Numbers: [79, 17] Generated Node #0,4,4: 79:[79, 17] Operation: 80-63=17 Moving to Node #0,1 Current State: 79:[80, 80, 62], Operations: ['79-17=62'] Exploring Operation: 80-62=18, Resulting Numbers: [80, 18] Generated Node #0,1,0: 79:[80, 18] Operation: 80-62=18 Exploring Operation: 80+62=142, Resulting Numbers: [80, 142] Generated Node #0,1,1: 79:[80, 142] Operation: 80+62=142 Exploring Operation: 80/80=1, Resulting Numbers: [62, 1] Generated Node #0,1,2: 79:[62, 1] Operation: 80/80=1 Exploring Operation: 80-62=18, Resulting Numbers: [80, 18] Generated Node #0,1,3: 79:[80, 18] Operation: 80-62=18 Exploring Operation: 80+62=142, Resulting Numbers: [80, 142] Generated Node #0,1,4: 79:[80, 142] Operation: 80+62=142 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[80, 18], Operations: ['79-17=62', '80-62=18'] Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,79 unequal: No Solution Exploring Operation: 80*18=1440, Resulting Numbers: [1440] 1440,79 unequal: No Solution Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 79:[80, 18], Operations: ['79-17=62', '80-62=18'] Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,79 unequal: No Solution Exploring Operation: 80*18=1440, Resulting Numbers: [1440] 1440,79 unequal: No Solution Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[80, 142], Operations: ['79-17=62', '80+62=142'] Exploring Operation: 80*142=11360, Resulting Numbers: [11360] 11360,79 unequal: No Solution Exploring Operation: 80+142=222, Resulting Numbers: [222] 222,79 unequal: No Solution Exploring Operation: 142-80=62, Resulting Numbers: [62] 62,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 79:[80, 142], Operations: ['79-17=62', '80+62=142'] Exploring Operation: 142-80=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 80*142=11360, Resulting Numbers: [11360] 11360,79 unequal: No Solution Exploring Operation: 80+142=222, Resulting Numbers: [222] 222,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 79:[62, 1], Operations: ['79-17=62', '80/80=1'] Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,79 unequal: No Solution Exploring Operation: 62/1=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 62*1=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,79 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: 79:[80, 80, 96], Operations: ['79+17=96'] Exploring Operation: 80-80=0, Resulting Numbers: [96, 0] Generated Node #0,2,0: 79:[96, 0] Operation: 80-80=0 Exploring Operation: 96-80=16, Resulting Numbers: [80, 16] Generated Node #0,2,1: 79:[80, 16] Operation: 96-80=16 Exploring Operation: 80+80=160, Resulting Numbers: [96, 160] Generated Node #0,2,2: 79:[96, 160] Operation: 80+80=160 Exploring Operation: 80/80=1, Resulting Numbers: [96, 1] Generated Node #0,2,3: 79:[96, 1] Operation: 80/80=1 Exploring Operation: 96-80=16, Resulting Numbers: [80, 16] Generated Node #0,2,4: 79:[80, 16] Operation: 96-80=16 Moving to Node #0,3 Current State: 79:[79, 80, 97], Operations: ['80+17=97'] Exploring Operation: 97-79=18, Resulting Numbers: [80, 18] Generated Node #0,3,0: 79:[80, 18] Operation: 97-79=18 Exploring Operation: 97-80=17, Resulting Numbers: [79, 17] Generated Node #0,3,1: 79:[79, 17] Operation: 97-80=17 Exploring Operation: 80-79=1, Resulting Numbers: [97, 1] Generated Node #0,3,2: 79:[97, 1] Operation: 80-79=1 Exploring Operation: 79+97=176, Resulting Numbers: [80, 176] Generated Node #0,3,3: 79:[80, 176] Operation: 79+97=176 Exploring Operation: 79+80=159, Resulting Numbers: [97, 159] Generated Node #0,3,4: 79:[97, 159] Operation: 79+80=159 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 79:[80, 18], Operations: ['80+17=97', '97-79=18'] Exploring Operation: 80*18=1440, Resulting Numbers: [1440] 1440,79 unequal: No Solution Exploring Operation: 80+18=98, Resulting Numbers: [98] 98,79 unequal: No Solution Exploring Operation: 80-18=62, Resulting Numbers: [62] 62,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 79:[79, 17], Operations: ['80+17=97', '97-80=17'] Exploring Operation: 79+17=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 79*17=1343, Resulting Numbers: [1343] 1343,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 79:[97, 1], Operations: ['80+17=97', '80-79=1'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 97+1=98, Resulting Numbers: [98] 98,79 unequal: No Solution Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,79 unequal: No Solution Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 79:[80, 176], Operations: ['80+17=97', '79+97=176'] Exploring Operation: 80+176=256, Resulting Numbers: [256] 256,79 unequal: No Solution Exploring Operation: 80*176=14080, Resulting Numbers: [14080] 14080,79 unequal: No Solution Exploring Operation: 176-80=96, Resulting Numbers: [96] 96,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 79:[97, 159], Operations: ['80+17=97', '79+80=159'] Exploring Operation: 159-97=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 97*159=15423, Resulting Numbers: [15423] 15423,79 unequal: No Solution Exploring Operation: 97+159=256, Resulting Numbers: [256] 256,79 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: 79:[79, 17], Operations: ['80-17=63', '80-63=17'] Exploring Operation: 79*17=1343, Resulting Numbers: [1343] 1343,79 unequal: No Solution Exploring Operation: 79+17=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,79 unequal: No Solution Moving to Node #0,4,2 Current State: 79:[80, 16], Operations: ['80-17=63', '79-63=16'] Exploring Operation: 80+16=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 80*16=1280, Resulting Numbers: [1280] 1280,79 unequal: No Solution Moving to Node #0,2,4 Current State: 79:[80, 16], Operations: ['79+17=96', '96-80=16'] Exploring Operation: 80*16=1280, Resulting Numbers: [1280] 1280,79 unequal: No Solution Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 80+16=96, Resulting Numbers: [96] 96,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[80, 16], Operations: ['79+17=96', '96-80=16'] Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 80+16=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,79 unequal: No Solution Exploring Operation: 80*16=1280, Resulting Numbers: [1280] 1280,79 unequal: No Solution Moving to Node #0,4,0 Current State: 79:[79, 143], Operations: ['80-17=63', '80+63=143'] Exploring Operation: 79*143=11297, Resulting Numbers: [11297] 11297,79 unequal: No Solution Exploring Operation: 143-79=64, Resulting Numbers: [64] 64,79 unequal: No Solution Exploring Operation: 79+143=222, Resulting Numbers: [222] 222,79 unequal: No Solution Moving to Node #0,4,3 Current State: 79:[80, 142], Operations: ['80-17=63', '79+63=142'] Exploring Operation: 80+142=222, Resulting Numbers: [222] 222,79 unequal: No Solution Exploring Operation: 80*142=11360, Resulting Numbers: [11360] 11360,79 unequal: No Solution Exploring Operation: 142-80=62, Resulting Numbers: [62] 62,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[63, 1], Operations: ['80-17=63', '80-79=1'] Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,79 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,79 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,79 unequal: No Solution Exploring Operation: 63+1=64, Resulting Numbers: [64] 64,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[96, 1], Operations: ['79+17=96', '80/80=1'] Exploring Operation: 96+1=97, Resulting Numbers: [97] 97,79 unequal: No Solution Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,79 unequal: No Solution Exploring Operation: 96*1=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 96/1=96, Resulting Numbers: [96] 96,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[96, 0], Operations: ['79+17=96', '80-80=0'] Exploring Operation: 96*0=0, Resulting Numbers: [0] 0,79 unequal: No Solution Exploring Operation: 96-0=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 96+0=96, Resulting Numbers: [96] 96,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[96, 160], Operations: ['79+17=96', '80+80=160'] Exploring Operation: 96+160=256, Resulting Numbers: [256] 256,79 unequal: No Solution Exploring Operation: 96*160=15360, Resulting Numbers: [15360] 15360,79 unequal: No Solution Exploring Operation: 160-96=64, Resulting Numbers: [64] 64,79 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 23, 67, 89, 35 ]
34
[ "23+67=90", "89+35=124", "124-90=34" ]
Current State: 34:[23, 67, 89, 35], Operations: [] Exploring Operation: 23+67=90, Resulting Numbers: [89, 35, 90] Generated Node #2: [89, 35, 90] from Operation: 23+67=90 Current State: 34:[89, 35, 90], Operations: ['23+67=90'] Exploring Operation: 89+35=124, Resulting Numbers: [90, 124] Generated Node #3: [90, 124] from Operation: 89+35=124 Current State: 34:[90, 124], Operations: ['23+67=90', '89+35=124'] Exploring Operation: 124-90=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[23, 67, 89, 35], Operations: [] Exploring Operation: 89-35=54, Resulting Numbers: [23, 67, 54] Generated Node #0,0: 34:[23, 67, 54] Operation: 89-35=54 Exploring Operation: 67-35=32, Resulting Numbers: [23, 89, 32] Generated Node #0,1: 34:[23, 89, 32] Operation: 67-35=32 Exploring Operation: 89-67=22, Resulting Numbers: [23, 35, 22] Generated Node #0,2: 34:[23, 35, 22] Operation: 89-67=22 Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[23, 35, 22], Operations: ['89-67=22'] Exploring Operation: 23-22=1, Resulting Numbers: [35, 1] Generated Node #0,2,0: 34:[35, 1] Operation: 23-22=1 Exploring Operation: 35-22=13, Resulting Numbers: [23, 13] Generated Node #0,2,1: 34:[23, 13] Operation: 35-22=13 Exploring Operation: 35-23=12, Resulting Numbers: [22, 12] Generated Node #0,2,2: 34:[22, 12] Operation: 35-23=12 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 34:[35, 1], Operations: ['89-67=22', '23-22=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[23, 67, 89, 35], Operations: [] Exploring Operation: 89-67=22, Resulting Numbers: [23, 35, 22] Generated Node #0,2: 34:[23, 35, 22] Operation: 89-67=22 Moving to Node #0,2 Current State: 34:[23, 35, 22], Operations: ['89-67=22'] Exploring Operation: 23-22=1, Resulting Numbers: [35, 1] Generated Node #0,2,0: 34:[35, 1] Operation: 23-22=1 Moving to Node #0,2,0 Current State: 34:[35, 1], Operations: ['89-67=22', '23-22=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 52, 30, 50, 28 ]
16
[ "52-50=2", "28/2=14", "30-14=16" ]
Current State: 16:[52, 30, 50, 28], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [30, 28, 2] Generated Node #2: [30, 28, 2] from Operation: 52-50=2 Current State: 16:[30, 28, 2], Operations: ['52-50=2'] Exploring Operation: 28/2=14, Resulting Numbers: [30, 14] Generated Node #3: [30, 14] from Operation: 28/2=14 Current State: 16:[30, 14], Operations: ['52-50=2', '28/2=14'] Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[52, 30, 50, 28], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [30, 28, 2] Generated Node #0,0: 16:[30, 28, 2] Operation: 52-50=2 Exploring Operation: 52-30=22, Resulting Numbers: [50, 28, 22] Generated Node #0,1: 16:[50, 28, 22] Operation: 52-30=22 Moving to Node #0,0 Current State: 16:[30, 28, 2], Operations: ['52-50=2'] Exploring Operation: 30/2=15, Resulting Numbers: [28, 15] Generated Node #0,0,0: 16:[28, 15] Operation: 30/2=15 Exploring Operation: 30-28=2, Resulting Numbers: [2, 2] Generated Node #0,0,1: 16:[2, 2] Operation: 30-28=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[2, 2], Operations: ['52-50=2', '30-28=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[28, 15], Operations: ['52-50=2', '30/2=15'] Exploring Operation: 28+15=43, Resulting Numbers: [43] 43,16 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,16 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: 16:[50, 28, 22], Operations: ['52-30=22'] Exploring Operation: 50-22=28, Resulting Numbers: [28, 28] Generated Node #0,1,0: 16:[28, 28] Operation: 50-22=28 Exploring Operation: 50-28=22, Resulting Numbers: [22, 22] Generated Node #0,1,1: 16:[22, 22] Operation: 50-28=22 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[22, 22], Operations: ['52-30=22', '50-28=22'] Exploring Operation: 22/22=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 22-22=0, Resulting Numbers: [0] 0,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[28, 28], Operations: ['52-30=22', '50-22=28'] Exploring Operation: 28/28=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 28-28=0, Resulting Numbers: [0] 0,16 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
[ 90, 71, 60, 67 ]
77
[ "90*60=5400", "67+5400=5467", "5467/71=77" ]
Current State: 77:[90, 71, 60, 67], Operations: [] Exploring Operation: 90*60=5400, Resulting Numbers: [71, 67, 5400] Generated Node #2: [71, 67, 5400] from Operation: 90*60=5400 Current State: 77:[71, 67, 5400], Operations: ['90*60=5400'] Exploring Operation: 67+5400=5467, Resulting Numbers: [71, 5467] Generated Node #3: [71, 5467] from Operation: 67+5400=5467 Current State: 77:[71, 5467], Operations: ['90*60=5400', '67+5400=5467'] Exploring Operation: 5467/71=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[90, 71, 60, 67], Operations: [] Exploring Operation: 90-71=19, Resulting Numbers: [60, 67, 19] Generated Node #0,0: 77:[60, 67, 19] Operation: 90-71=19 Exploring Operation: 71-67=4, Resulting Numbers: [90, 60, 4] Generated Node #0,1: 77:[90, 60, 4] Operation: 71-67=4 Exploring Operation: 90-60=30, Resulting Numbers: [71, 67, 30] Generated Node #0,2: 77:[71, 67, 30] Operation: 90-60=30 Exploring Operation: 67-60=7, Resulting Numbers: [90, 71, 7] Generated Node #0,3: 77:[90, 71, 7] Operation: 67-60=7 Exploring Operation: 71-60=11, Resulting Numbers: [90, 67, 11] Generated Node #0,4: 77:[90, 67, 11] Operation: 71-60=11 Moving to Node #0,3 Current State: 77:[90, 71, 7], Operations: ['67-60=7'] Exploring Operation: 90-7=83, Resulting Numbers: [71, 83] Generated Node #0,3,0: 77:[71, 83] Operation: 90-7=83 Exploring Operation: 71+7=78, Resulting Numbers: [90, 78] Generated Node #0,3,1: 77:[90, 78] Operation: 71+7=78 Exploring Operation: 90-71=19, Resulting Numbers: [7, 19] Generated Node #0,3,2: 77:[7, 19] Operation: 90-71=19 Exploring Operation: 71-7=64, Resulting Numbers: [90, 64] Generated Node #0,3,3: 77:[90, 64] Operation: 71-7=64 Exploring Operation: 90+7=97, Resulting Numbers: [71, 97] Generated Node #0,3,4: 77:[71, 97] Operation: 90+7=97 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 77:[7, 19], Operations: ['67-60=7', '90-71=19'] Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 7*19=133, Resulting Numbers: [133] 133,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 77:[71, 83], Operations: ['67-60=7', '90-7=83'] Exploring Operation: 71*83=5893, Resulting Numbers: [5893] 5893,77 unequal: No Solution Exploring Operation: 71+83=154, Resulting Numbers: [154] 154,77 unequal: No Solution Exploring Operation: 83-71=12, Resulting Numbers: [12] 12,77 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:[90, 78], Operations: ['67-60=7', '71+7=78'] Exploring Operation: 90*78=7020, Resulting Numbers: [7020] 7020,77 unequal: No Solution Exploring Operation: 90-78=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 90+78=168, Resulting Numbers: [168] 168,77 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:[90, 64], Operations: ['67-60=7', '71-7=64'] Exploring Operation: 90+64=154, Resulting Numbers: [154] 154,77 unequal: No Solution Exploring Operation: 90-64=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 90*64=5760, Resulting Numbers: [5760] 5760,77 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:[71, 97], Operations: ['67-60=7', '90+7=97'] Exploring Operation: 71*97=6887, Resulting Numbers: [6887] 6887,77 unequal: No Solution Exploring Operation: 71+97=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 97-71=26, Resulting Numbers: [26] 26,77 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:[90, 67, 11], Operations: ['71-60=11'] Exploring Operation: 90+11=101, Resulting Numbers: [67, 101] Generated Node #0,4,0: 77:[67, 101] Operation: 90+11=101 Exploring Operation: 67-11=56, Resulting Numbers: [90, 56] Generated Node #0,4,1: 77:[90, 56] Operation: 67-11=56 Exploring Operation: 67+11=78, Resulting Numbers: [90, 78] Generated Node #0,4,2: 77:[90, 78] Operation: 67+11=78 Exploring Operation: 90-67=23, Resulting Numbers: [11, 23] Generated Node #0,4,3: 77:[11, 23] Operation: 90-67=23 Exploring Operation: 90-11=79, Resulting Numbers: [67, 79] Generated Node #0,4,4: 77:[67, 79] Operation: 90-11=79 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 77:[11, 23], Operations: ['71-60=11', '90-67=23'] Exploring Operation: 11+23=34, Resulting Numbers: [34] 34,77 unequal: No Solution Exploring Operation: 23-11=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 11*23=253, Resulting Numbers: [253] 253,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 77:[67, 79], Operations: ['71-60=11', '90-11=79'] Exploring Operation: 67*79=5293, Resulting Numbers: [5293] 5293,77 unequal: No Solution Exploring Operation: 67+79=146, Resulting Numbers: [146] 146,77 unequal: No Solution Exploring Operation: 79-67=12, Resulting Numbers: [12] 12,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 77:[90, 78], Operations: ['71-60=11', '67+11=78'] Exploring Operation: 90+78=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 90-78=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 90*78=7020, Resulting Numbers: [7020] 7020,77 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:[67, 101], Operations: ['71-60=11', '90+11=101'] Exploring Operation: 67+101=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 67*101=6767, Resulting Numbers: [6767] 6767,77 unequal: No Solution Exploring Operation: 101-67=34, Resulting Numbers: [34] 34,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 77:[90, 56], Operations: ['71-60=11', '67-11=56'] Exploring Operation: 90*56=5040, Resulting Numbers: [5040] 5040,77 unequal: No Solution Exploring Operation: 90+56=146, Resulting Numbers: [146] 146,77 unequal: No Solution Exploring Operation: 90-56=34, Resulting Numbers: [34] 34,77 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: 77:[90, 60, 4], Operations: ['71-67=4'] Exploring Operation: 90-4=86, Resulting Numbers: [60, 86] Generated Node #0,1,0: 77:[60, 86] Operation: 90-4=86 Exploring Operation: 90-60=30, Resulting Numbers: [4, 30] Generated Node #0,1,1: 77:[4, 30] Operation: 90-60=30 Exploring Operation: 60/4=15, Resulting Numbers: [90, 15] Generated Node #0,1,2: 77:[90, 15] Operation: 60/4=15 Exploring Operation: 90+4=94, Resulting Numbers: [60, 94] Generated Node #0,1,3: 77:[60, 94] Operation: 90+4=94 Exploring Operation: 60+4=64, Resulting Numbers: [90, 64] Generated Node #0,1,4: 77:[90, 64] Operation: 60+4=64 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 77:[90, 15], Operations: ['71-67=4', '60/4=15'] Exploring Operation: 90/15=6, Resulting Numbers: [6] 6,77 unequal: No Solution Exploring Operation: 90+15=105, Resulting Numbers: [105] 105,77 unequal: No Solution Exploring Operation: 90-15=75, Resulting Numbers: [75] 75,77 unequal: No Solution Exploring Operation: 90*15=1350, Resulting Numbers: [1350] 1350,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 77:[4, 30], Operations: ['71-67=4', '90-60=30'] Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,77 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,77 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:[60, 86], Operations: ['71-67=4', '90-4=86'] Exploring Operation: 60+86=146, Resulting Numbers: [146] 146,77 unequal: No Solution Exploring Operation: 86-60=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 60*86=5160, Resulting Numbers: [5160] 5160,77 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:[90, 64], Operations: ['71-67=4', '60+4=64'] Exploring Operation: 90+64=154, Resulting Numbers: [154] 154,77 unequal: No Solution Exploring Operation: 90-64=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 90*64=5760, Resulting Numbers: [5760] 5760,77 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:[60, 94], Operations: ['71-67=4', '90+4=94'] Exploring Operation: 60*94=5640, Resulting Numbers: [5640] 5640,77 unequal: No Solution Exploring Operation: 60+94=154, Resulting Numbers: [154] 154,77 unequal: No Solution Exploring Operation: 94-60=34, Resulting Numbers: [34] 34,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 77:[60, 67, 19], Operations: ['90-71=19'] Exploring Operation: 67-19=48, Resulting Numbers: [60, 48] Generated Node #0,0,0: 77:[60, 48] Operation: 67-19=48 Exploring Operation: 67+19=86, Resulting Numbers: [60, 86] Generated Node #0,0,1: 77:[60, 86] Operation: 67+19=86 Exploring Operation: 60-19=41, Resulting Numbers: [67, 41] Generated Node #0,0,2: 77:[67, 41] Operation: 60-19=41 Exploring Operation: 60+19=79, Resulting Numbers: [67, 79] Generated Node #0,0,3: 77:[67, 79] Operation: 60+19=79 Exploring Operation: 67-60=7, Resulting Numbers: [19, 7] Generated Node #0,0,4: 77:[19, 7] Operation: 67-60=7 Moving to Node #0,2 Current State: 77:[71, 67, 30], Operations: ['90-60=30'] Exploring Operation: 71-30=41, Resulting Numbers: [67, 41] Generated Node #0,2,0: 77:[67, 41] Operation: 71-30=41 Exploring Operation: 71+30=101, Resulting Numbers: [67, 101] Generated Node #0,2,1: 77:[67, 101] Operation: 71+30=101 Exploring Operation: 67+30=97, Resulting Numbers: [71, 97] Generated Node #0,2,2: 77:[71, 97] Operation: 67+30=97 Exploring Operation: 67-30=37, Resulting Numbers: [71, 37] Generated Node #0,2,3: 77:[71, 37] Operation: 67-30=37 Exploring Operation: 71-67=4, Resulting Numbers: [30, 4] Generated Node #0,2,4: 77:[30, 4] Operation: 71-67=4 Moving to Node #0,0,4 Current State: 77:[19, 7], Operations: ['90-71=19', '67-60=7'] Exploring Operation: 19+7=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 19*7=133, Resulting Numbers: [133] 133,77 unequal: No Solution Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,77 unequal: No Solution Moving to Node #0,0,3 Current State: 77:[67, 79], Operations: ['90-71=19', '60+19=79'] Exploring Operation: 67+79=146, Resulting Numbers: [146] 146,77 unequal: No Solution Exploring Operation: 67*79=5293, Resulting Numbers: [5293] 5293,77 unequal: No Solution Exploring Operation: 79-67=12, Resulting Numbers: [12] 12,77 unequal: No Solution Moving to Node #0,2,4 Current State: 77:[30, 4], Operations: ['90-60=30', '71-67=4'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,77 unequal: No Solution Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[71, 97], Operations: ['90-60=30', '67+30=97'] Exploring Operation: 71*97=6887, Resulting Numbers: [6887] 6887,77 unequal: No Solution Exploring Operation: 71+97=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 97-71=26, Resulting Numbers: [26] 26,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[60, 86], Operations: ['90-71=19', '67+19=86'] Exploring Operation: 60+86=146, Resulting Numbers: [146] 146,77 unequal: No Solution Exploring Operation: 60*86=5160, Resulting Numbers: [5160] 5160,77 unequal: No Solution Exploring Operation: 86-60=26, Resulting Numbers: [26] 26,77 unequal: No Solution Moving to Node #0,2,3 Current State: 77:[71, 37], Operations: ['90-60=30', '67-30=37'] Exploring Operation: 71-37=34, Resulting Numbers: [34] 34,77 unequal: No Solution Exploring Operation: 71+37=108, Resulting Numbers: [108] 108,77 unequal: No Solution Exploring Operation: 71*37=2627, Resulting Numbers: [2627] 2627,77 unequal: No Solution Moving to Node #0,2,1 Current State: 77:[67, 101], Operations: ['90-60=30', '71+30=101'] Exploring Operation: 67*101=6767, Resulting Numbers: [6767] 6767,77 unequal: No Solution Exploring Operation: 67+101=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 101-67=34, Resulting Numbers: [34] 34,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[67, 41], Operations: ['90-71=19', '60-19=41'] Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,77 unequal: No Solution Exploring Operation: 67+41=108, Resulting Numbers: [108] 108,77 unequal: No Solution Exploring Operation: 67*41=2747, Resulting Numbers: [2747] 2747,77 unequal: No Solution Moving to Node #0,2,0 Current State: 77:[67, 41], Operations: ['90-60=30', '71-30=41'] Exploring Operation: 67+41=108, Resulting Numbers: [108] 108,77 unequal: No Solution Exploring Operation: 67*41=2747, Resulting Numbers: [2747] 2747,77 unequal: No Solution Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[60, 48], Operations: ['90-71=19', '67-19=48'] Exploring Operation: 60*48=2880, Resulting Numbers: [2880] 2880,77 unequal: No Solution Exploring Operation: 60-48=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 60+48=108, Resulting Numbers: [108] 108,77 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 57, 30, 49, 36 ]
48
[ "57-49=8", "36-30=6", "8*6=48" ]
Current State: 48:[57, 30, 49, 36], Operations: [] Exploring Operation: 57-49=8, Resulting Numbers: [30, 36, 8] Generated Node #2: [30, 36, 8] from Operation: 57-49=8 Current State: 48:[30, 36, 8], Operations: ['57-49=8'] Exploring Operation: 36-30=6, Resulting Numbers: [8, 6] Generated Node #3: [8, 6] from Operation: 36-30=6 Current State: 48:[8, 6], Operations: ['57-49=8', '36-30=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[57, 30, 49, 36], Operations: [] Exploring Operation: 36-30=6, Resulting Numbers: [57, 49, 6] Generated Node #0,0: 48:[57, 49, 6] Operation: 36-30=6 Exploring Operation: 57-30=27, Resulting Numbers: [49, 36, 27] Generated Node #0,1: 48:[49, 36, 27] Operation: 57-30=27 Exploring Operation: 57-36=21, Resulting Numbers: [30, 49, 21] Generated Node #0,2: 48:[30, 49, 21] Operation: 57-36=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[57, 49, 6], Operations: ['36-30=6'] Exploring Operation: 49-6=43, Resulting Numbers: [57, 43] Generated Node #0,0,0: 48:[57, 43] Operation: 49-6=43 Exploring Operation: 57-49=8, Resulting Numbers: [6, 8] Generated Node #0,0,1: 48:[6, 8] Operation: 57-49=8 Exploring Operation: 57-6=51, Resulting Numbers: [49, 51] Generated Node #0,0,2: 48:[49, 51] Operation: 57-6=51 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[6, 8], Operations: ['36-30=6', '57-49=8'] Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[57, 30, 49, 36], Operations: [] Exploring Operation: 36-30=6, Resulting Numbers: [57, 49, 6] Generated Node #0,0: 48:[57, 49, 6] Operation: 36-30=6 Moving to Node #0,0 Current State: 48:[57, 49, 6], Operations: ['36-30=6'] Exploring Operation: 57-49=8, Resulting Numbers: [6, 8] Generated Node #0,0,1: 48:[6, 8] Operation: 57-49=8 Moving to Node #0,0,1 Current State: 48:[6, 8], Operations: ['36-30=6', '57-49=8'] Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 84, 52, 88, 44 ]
20
[ "52*88=4576", "4576/44=104", "104-84=20" ]
Current State: 20:[84, 52, 88, 44], Operations: [] Exploring Operation: 52*88=4576, Resulting Numbers: [84, 44, 4576] Generated Node #2: [84, 44, 4576] from Operation: 52*88=4576 Current State: 20:[84, 44, 4576], Operations: ['52*88=4576'] Exploring Operation: 4576/44=104, Resulting Numbers: [84, 104] Generated Node #3: [84, 104] from Operation: 4576/44=104 Current State: 20:[84, 104], Operations: ['52*88=4576', '4576/44=104'] Exploring Operation: 104-84=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[84, 52, 88, 44], Operations: [] Exploring Operation: 88-84=4, Resulting Numbers: [52, 44, 4] Generated Node #0,0: 20:[52, 44, 4] Operation: 88-84=4 Exploring Operation: 88/44=2, Resulting Numbers: [84, 52, 2] Generated Node #0,1: 20:[84, 52, 2] Operation: 88/44=2 Exploring Operation: 84-52=32, Resulting Numbers: [88, 44, 32] Generated Node #0,2: 20:[88, 44, 32] Operation: 84-52=32 Exploring Operation: 88-52=36, Resulting Numbers: [84, 44, 36] Generated Node #0,3: 20:[84, 44, 36] Operation: 88-52=36 Moving to Node #0,0 Current State: 20:[52, 44, 4], Operations: ['88-84=4'] Exploring Operation: 44/4=11, Resulting Numbers: [52, 11] Generated Node #0,0,0: 20:[52, 11] Operation: 44/4=11 Exploring Operation: 52/4=13, Resulting Numbers: [44, 13] Generated Node #0,0,1: 20:[44, 13] Operation: 52/4=13 Exploring Operation: 52-4=48, Resulting Numbers: [44, 48] Generated Node #0,0,2: 20:[44, 48] Operation: 52-4=48 Exploring Operation: 52-44=8, Resulting Numbers: [4, 8] Generated Node #0,0,3: 20:[4, 8] Operation: 52-44=8 Moving to Node #0,1 Current State: 20:[84, 52, 2], Operations: ['88/44=2'] Exploring Operation: 84/2=42, Resulting Numbers: [52, 42] Generated Node #0,1,0: 20:[52, 42] Operation: 84/2=42 Exploring Operation: 84-2=82, Resulting Numbers: [52, 82] Generated Node #0,1,1: 20:[52, 82] Operation: 84-2=82 Exploring Operation: 84-52=32, Resulting Numbers: [2, 32] Generated Node #0,1,2: 20:[2, 32] Operation: 84-52=32 Exploring Operation: 52/2=26, Resulting Numbers: [84, 26] Generated Node #0,1,3: 20:[84, 26] Operation: 52/2=26 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 20:[2, 32], Operations: ['88/44=2', '84-52=32'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,20 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,20 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[52, 42], Operations: ['88/44=2', '84/2=42'] Exploring Operation: 52+42=94, Resulting Numbers: [94] 94,20 unequal: No Solution Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 52*42=2184, Resulting Numbers: [2184] 2184,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 20:[84, 26], Operations: ['88/44=2', '52/2=26'] Exploring Operation: 84-26=58, Resulting Numbers: [58] 58,20 unequal: No Solution Exploring Operation: 84*26=2184, Resulting Numbers: [2184] 2184,20 unequal: No Solution Exploring Operation: 84+26=110, Resulting Numbers: [110] 110,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[52, 82], Operations: ['88/44=2', '84-2=82'] Exploring Operation: 52*82=4264, Resulting Numbers: [4264] 4264,20 unequal: No Solution Exploring Operation: 82-52=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 52+82=134, Resulting Numbers: [134] 134,20 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: 20:[84, 44, 36], Operations: ['88-52=36'] Exploring Operation: 84+44=128, Resulting Numbers: [36, 128] Generated Node #0,3,0: 20:[36, 128] Operation: 84+44=128 Exploring Operation: 44-36=8, Resulting Numbers: [84, 8] Generated Node #0,3,1: 20:[84, 8] Operation: 44-36=8 Exploring Operation: 84-36=48, Resulting Numbers: [44, 48] Generated Node #0,3,2: 20:[44, 48] Operation: 84-36=48 Exploring Operation: 84-44=40, Resulting Numbers: [36, 40] Generated Node #0,3,3: 20:[36, 40] Operation: 84-44=40 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 20:[36, 40], Operations: ['88-52=36', '84-44=40'] Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,20 unequal: No Solution Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 20:[44, 48], Operations: ['88-52=36', '84-36=48'] Exploring Operation: 44*48=2112, Resulting Numbers: [2112] 2112,20 unequal: No Solution Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 44+48=92, Resulting Numbers: [92] 92,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 20:[84, 8], Operations: ['88-52=36', '44-36=8'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,20 unequal: No Solution Exploring Operation: 84+8=92, Resulting Numbers: [92] 92,20 unequal: No Solution Exploring Operation: 84*8=672, Resulting Numbers: [672] 672,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 20:[36, 128], Operations: ['88-52=36', '84+44=128'] Exploring Operation: 36*128=4608, Resulting Numbers: [4608] 4608,20 unequal: No Solution Exploring Operation: 128-36=92, Resulting Numbers: [92] 92,20 unequal: No Solution Exploring Operation: 36+128=164, Resulting Numbers: [164] 164,20 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: 20:[88, 44, 32], Operations: ['84-52=32'] Exploring Operation: 88/44=2, Resulting Numbers: [32, 2] Generated Node #0,2,0: 20:[32, 2] Operation: 88/44=2 Exploring Operation: 44-32=12, Resulting Numbers: [88, 12] Generated Node #0,2,1: 20:[88, 12] Operation: 44-32=12 Exploring Operation: 88-44=44, Resulting Numbers: [32, 44] Generated Node #0,2,2: 20:[32, 44] Operation: 88-44=44 Exploring Operation: 88-32=56, Resulting Numbers: [44, 56] Generated Node #0,2,3: 20:[44, 56] Operation: 88-32=56 Moving to Node #0,0,3 Current State: 20:[4, 8], Operations: ['88-84=4', '52-44=8'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,20 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,20 unequal: No Solution Moving to Node #0,2,0 Current State: 20:[32, 2], Operations: ['84-52=32', '88/44=2'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,20 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[44, 13], Operations: ['88-84=4', '52/4=13'] Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,20 unequal: No Solution Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,20 unequal: No Solution Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[52, 11], Operations: ['88-84=4', '44/4=11'] Exploring Operation: 52*11=572, Resulting Numbers: [572] 572,20 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,20 unequal: No Solution Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[32, 44], Operations: ['84-52=32', '88-44=44'] Exploring Operation: 32*44=1408, Resulting Numbers: [1408] 1408,20 unequal: No Solution Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,20 unequal: No Solution Exploring Operation: 32+44=76, Resulting Numbers: [76] 76,20 unequal: No Solution Moving to Node #0,0,2 Current State: 20:[44, 48], Operations: ['88-84=4', '52-4=48'] Exploring Operation: 44*48=2112, Resulting Numbers: [2112] 2112,20 unequal: No Solution Exploring Operation: 44+48=92, Resulting Numbers: [92] 92,20 unequal: No Solution Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,20 unequal: No Solution Moving to Node #0,2,3 Current State: 20:[44, 56], Operations: ['84-52=32', '88-32=56'] Exploring Operation: 44+56=100, Resulting Numbers: [100] 100,20 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,20 unequal: No Solution Exploring Operation: 44*56=2464, Resulting Numbers: [2464] 2464,20 unequal: No Solution Moving to Node #0,2,1 Current State: 20:[88, 12], Operations: ['84-52=32', '44-32=12'] Exploring Operation: 88+12=100, Resulting Numbers: [100] 100,20 unequal: No Solution Exploring Operation: 88*12=1056, Resulting Numbers: [1056] 1056,20 unequal: No Solution Exploring Operation: 88-12=76, Resulting Numbers: [76] 76,20 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 62, 53, 2, 15 ]
57
[ "62-2=60", "60/15=4", "53+4=57" ]
Current State: 57:[62, 53, 2, 15], Operations: [] Exploring Operation: 62-2=60, Resulting Numbers: [53, 15, 60] Generated Node #2: [53, 15, 60] from Operation: 62-2=60 Current State: 57:[53, 15, 60], Operations: ['62-2=60'] Exploring Operation: 60/15=4, Resulting Numbers: [53, 4] Generated Node #3: [53, 4] from Operation: 60/15=4 Current State: 57:[53, 4], Operations: ['62-2=60', '60/15=4'] Exploring Operation: 53+4=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[62, 53, 2, 15], Operations: [] Exploring Operation: 62-53=9, Resulting Numbers: [2, 15, 9] Generated Node #0,0: 57:[2, 15, 9] Operation: 62-53=9 Exploring Operation: 62-2=60, Resulting Numbers: [53, 15, 60] Generated Node #0,1: 57:[53, 15, 60] Operation: 62-2=60 Exploring Operation: 53+2=55, Resulting Numbers: [62, 15, 55] Generated Node #0,2: 57:[62, 15, 55] Operation: 53+2=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[2, 15, 9], Operations: ['62-53=9'] Exploring Operation: 2*9=18, Resulting Numbers: [15, 18] Generated Node #0,0,0: 57:[15, 18] Operation: 2*9=18 Exploring Operation: 15+9=24, Resulting Numbers: [2, 24] Generated Node #0,0,1: 57:[2, 24] Operation: 15+9=24 Exploring Operation: 15-9=6, Resulting Numbers: [2, 6] Generated Node #0,0,2: 57:[2, 6] Operation: 15-9=6 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[2, 6], Operations: ['62-53=9', '15-9=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,57 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[15, 18], Operations: ['62-53=9', '2*9=18'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,57 unequal: No Solution Exploring Operation: 15+18=33, Resulting Numbers: [33] 33,57 unequal: No Solution Exploring Operation: 15*18=270, Resulting Numbers: [270] 270,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[2, 24], Operations: ['62-53=9', '15+9=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,57 unequal: No Solution Exploring Operation: 2+24=26, Resulting Numbers: [26] 26,57 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[53, 15, 60], Operations: ['62-2=60'] Exploring Operation: 60-53=7, Resulting Numbers: [15, 7] Generated Node #0,1,0: 57:[15, 7] Operation: 60-53=7 Exploring Operation: 53+15=68, Resulting Numbers: [60, 68] Generated Node #0,1,1: 57:[60, 68] Operation: 53+15=68 Exploring Operation: 60/15=4, Resulting Numbers: [53, 4] Generated Node #0,1,2: 57:[53, 4] Operation: 60/15=4 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 57:[53, 4], Operations: ['62-2=60', '60/15=4'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,57 unequal: No Solution Exploring Operation: 53+4=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[62, 53, 2, 15], Operations: [] Exploring Operation: 62-2=60, Resulting Numbers: [53, 15, 60] Generated Node #0,1: 57:[53, 15, 60] Operation: 62-2=60 Moving to Node #0,1 Current State: 57:[53, 15, 60], Operations: ['62-2=60'] Exploring Operation: 60/15=4, Resulting Numbers: [53, 4] Generated Node #0,1,2: 57:[53, 4] Operation: 60/15=4 Moving to Node #0,1,2 Current State: 57:[53, 4], Operations: ['62-2=60', '60/15=4'] Exploring Operation: 53+4=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 45, 21, 33, 67 ]
44
[ "21*67=1407", "45+1407=1452", "1452/33=44" ]
Current State: 44:[45, 21, 33, 67], Operations: [] Exploring Operation: 21*67=1407, Resulting Numbers: [45, 33, 1407] Generated Node #2: [45, 33, 1407] from Operation: 21*67=1407 Current State: 44:[45, 33, 1407], Operations: ['21*67=1407'] Exploring Operation: 45+1407=1452, Resulting Numbers: [33, 1452] Generated Node #3: [33, 1452] from Operation: 45+1407=1452 Current State: 44:[33, 1452], Operations: ['21*67=1407', '45+1407=1452'] Exploring Operation: 1452/33=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[45, 21, 33, 67], Operations: [] Exploring Operation: 67-45=22, Resulting Numbers: [21, 33, 22] Generated Node #0,0: 44:[21, 33, 22] Operation: 67-45=22 Exploring Operation: 67-33=34, Resulting Numbers: [45, 21, 34] Generated Node #0,1: 44:[45, 21, 34] Operation: 67-33=34 Exploring Operation: 67-21=46, Resulting Numbers: [45, 33, 46] Generated Node #0,2: 44:[45, 33, 46] Operation: 67-21=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[21, 33, 22], Operations: ['67-45=22'] Exploring Operation: 21+33=54, Resulting Numbers: [22, 54] Generated Node #0,0,0: 44:[22, 54] Operation: 21+33=54 Exploring Operation: 33-21=12, Resulting Numbers: [22, 12] Generated Node #0,0,1: 44:[22, 12] Operation: 33-21=12 Exploring Operation: 33-22=11, Resulting Numbers: [21, 11] Generated Node #0,0,2: 44:[21, 11] Operation: 33-22=11 Moving to Node #0,0,1 Current State: 44:[22, 12], Operations: ['67-45=22', '33-21=12'] Exploring Operation: 22*12=264, Resulting Numbers: [264] 264,44 unequal: No Solution Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,44 unequal: No Solution Moving to Node #0,0,2 Current State: 44:[21, 11], Operations: ['67-45=22', '33-22=11'] Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[22, 54], Operations: ['67-45=22', '21+33=54'] Exploring Operation: 54-22=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 22+54=76, Resulting Numbers: [76] 76,44 unequal: No Solution Exploring Operation: 22*54=1188, Resulting Numbers: [1188] 1188,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[45, 21, 34], Operations: ['67-33=34'] Exploring Operation: 45-21=24, Resulting Numbers: [34, 24] Generated Node #0,1,0: 44:[34, 24] Operation: 45-21=24 Exploring Operation: 34-21=13, Resulting Numbers: [45, 13] Generated Node #0,1,1: 44:[45, 13] Operation: 34-21=13 Exploring Operation: 45-34=11, Resulting Numbers: [21, 11] Generated Node #0,1,2: 44:[21, 11] Operation: 45-34=11 Moving to Node #0,1,2 Current State: 44:[21, 11], Operations: ['67-33=34', '45-34=11'] Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,44 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[45, 13], Operations: ['67-33=34', '34-21=13'] Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,44 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[34, 24], Operations: ['67-33=34', '45-21=24'] Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,44 unequal: No Solution Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 34*24=816, Resulting Numbers: [816] 816,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[45, 33, 46], Operations: ['67-21=46'] Exploring Operation: 46-33=13, Resulting Numbers: [45, 13] Generated Node #0,2,0: 44:[45, 13] Operation: 46-33=13 Exploring Operation: 45-33=12, Resulting Numbers: [46, 12] Generated Node #0,2,1: 44:[46, 12] Operation: 45-33=12 Exploring Operation: 46-45=1, Resulting Numbers: [33, 1] Generated Node #0,2,2: 44:[33, 1] Operation: 46-45=1 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 44:[45, 13], Operations: ['67-21=46', '46-33=13'] Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 44:[46, 12], Operations: ['67-21=46', '45-33=12'] Exploring Operation: 46+12=58, Resulting Numbers: [58] 58,44 unequal: No Solution Exploring Operation: 46-12=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 46*12=552, Resulting Numbers: [552] 552,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 44:[33, 1], Operations: ['67-21=46', '46-45=1'] Exploring Operation: 33*1=33, Resulting Numbers: [33] 33,44 unequal: No Solution Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 33+1=34, Resulting Numbers: [34] 34,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 9, 21, 38, 42 ]
75
[ "42-38=4", "21*4=84", "84-9=75" ]
Current State: 75:[9, 21, 38, 42], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [9, 21, 4] Generated Node #2: [9, 21, 4] from Operation: 42-38=4 Current State: 75:[9, 21, 4], Operations: ['42-38=4'] Exploring Operation: 21*4=84, Resulting Numbers: [9, 84] Generated Node #3: [9, 84] from Operation: 21*4=84 Current State: 75:[9, 84], Operations: ['42-38=4', '21*4=84'] Exploring Operation: 84-9=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[9, 21, 38, 42], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [9, 21, 4] Generated Node #0,0: 75:[9, 21, 4] Operation: 42-38=4 Exploring Operation: 42-21=21, Resulting Numbers: [9, 38, 21] Generated Node #0,1: 75:[9, 38, 21] Operation: 42-21=21 Exploring Operation: 42/21=2, Resulting Numbers: [9, 38, 2] Generated Node #0,2: 75:[9, 38, 2] Operation: 42/21=2 Exploring Operation: 38+42=80, Resulting Numbers: [9, 21, 80] Generated Node #0,3: 75:[9, 21, 80] Operation: 38+42=80 Moving to Node #0,0 Current State: 75:[9, 21, 4], Operations: ['42-38=4'] Exploring Operation: 21-9=12, Resulting Numbers: [4, 12] Generated Node #0,0,0: 75:[4, 12] Operation: 21-9=12 Exploring Operation: 9-4=5, Resulting Numbers: [21, 5] Generated Node #0,0,1: 75:[21, 5] Operation: 9-4=5 Exploring Operation: 9+21=30, Resulting Numbers: [4, 30] Generated Node #0,0,2: 75:[4, 30] Operation: 9+21=30 Exploring Operation: 21+4=25, Resulting Numbers: [9, 25] Generated Node #0,0,3: 75:[9, 25] Operation: 21+4=25 Moving to Node #0,3 Current State: 75:[9, 21, 80], Operations: ['38+42=80'] Exploring Operation: 9+80=89, Resulting Numbers: [21, 89] Generated Node #0,3,0: 75:[21, 89] Operation: 9+80=89 Exploring Operation: 80-9=71, Resulting Numbers: [21, 71] Generated Node #0,3,1: 75:[21, 71] Operation: 80-9=71 Exploring Operation: 9+21=30, Resulting Numbers: [80, 30] Generated Node #0,3,2: 75:[80, 30] Operation: 9+21=30 Exploring Operation: 21-9=12, Resulting Numbers: [80, 12] Generated Node #0,3,3: 75:[80, 12] Operation: 21-9=12 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 75:[21, 71], Operations: ['38+42=80', '80-9=71'] Exploring Operation: 21+71=92, Resulting Numbers: [92] 92,75 unequal: No Solution Exploring Operation: 71-21=50, Resulting Numbers: [50] 50,75 unequal: No Solution Exploring Operation: 21*71=1491, Resulting Numbers: [1491] 1491,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 75:[80, 12], Operations: ['38+42=80', '21-9=12'] Exploring Operation: 80-12=68, Resulting Numbers: [68] 68,75 unequal: No Solution Exploring Operation: 80+12=92, Resulting Numbers: [92] 92,75 unequal: No Solution Exploring Operation: 80*12=960, Resulting Numbers: [960] 960,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 75:[80, 30], Operations: ['38+42=80', '9+21=30'] Exploring Operation: 80-30=50, Resulting Numbers: [50] 50,75 unequal: No Solution Exploring Operation: 80+30=110, Resulting Numbers: [110] 110,75 unequal: No Solution Exploring Operation: 80*30=2400, Resulting Numbers: [2400] 2400,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 75:[21, 89], Operations: ['38+42=80', '9+80=89'] Exploring Operation: 21+89=110, Resulting Numbers: [110] 110,75 unequal: No Solution Exploring Operation: 21*89=1869, Resulting Numbers: [1869] 1869,75 unequal: No Solution Exploring Operation: 89-21=68, Resulting Numbers: [68] 68,75 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: 75:[9, 38, 2], Operations: ['42/21=2'] Exploring Operation: 9-2=7, Resulting Numbers: [38, 7] Generated Node #0,2,0: 75:[38, 7] Operation: 9-2=7 Exploring Operation: 38/2=19, Resulting Numbers: [9, 19] Generated Node #0,2,1: 75:[9, 19] Operation: 38/2=19 Exploring Operation: 38-9=29, Resulting Numbers: [2, 29] Generated Node #0,2,2: 75:[2, 29] Operation: 38-9=29 Exploring Operation: 38*2=76, Resulting Numbers: [9, 76] Generated Node #0,2,3: 75:[9, 76] Operation: 38*2=76 Moving to Node #0,1 Current State: 75:[9, 38, 21], Operations: ['42-21=21'] Exploring Operation: 38-9=29, Resulting Numbers: [21, 29] Generated Node #0,1,0: 75:[21, 29] Operation: 38-9=29 Exploring Operation: 38-21=17, Resulting Numbers: [9, 17] Generated Node #0,1,1: 75:[9, 17] Operation: 38-21=17 Exploring Operation: 9+21=30, Resulting Numbers: [38, 30] Generated Node #0,1,2: 75:[38, 30] Operation: 9+21=30 Exploring Operation: 21-9=12, Resulting Numbers: [38, 12] Generated Node #0,1,3: 75:[38, 12] Operation: 21-9=12 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[9, 17], Operations: ['42-21=21', '38-21=17'] Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,75 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[21, 29], Operations: ['42-21=21', '38-9=29'] Exploring Operation: 29-21=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 21+29=50, Resulting Numbers: [50] 50,75 unequal: No Solution Exploring Operation: 21*29=609, Resulting Numbers: [609] 609,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 75:[38, 12], Operations: ['42-21=21', '21-9=12'] Exploring Operation: 38*12=456, Resulting Numbers: [456] 456,75 unequal: No Solution Exploring Operation: 38+12=50, Resulting Numbers: [50] 50,75 unequal: No Solution Exploring Operation: 38-12=26, Resulting Numbers: [26] 26,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[38, 30], Operations: ['42-21=21', '9+21=30'] Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,75 unequal: No Solution Exploring Operation: 38*30=1140, Resulting Numbers: [1140] 1140,75 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: 75:[4, 12], Operations: ['42-38=4', '21-9=12'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,75 unequal: No Solution Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,75 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,75 unequal: No Solution Moving to Node #0,0,3 Current State: 75:[9, 25], Operations: ['42-38=4', '21+4=25'] Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,75 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[21, 5], Operations: ['42-38=4', '9-4=5'] Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,75 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,75 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,75 unequal: No Solution Moving to Node #0,2,3 Current State: 75:[9, 76], Operations: ['42/21=2', '38*2=76'] Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 9+76=85, Resulting Numbers: [85] 85,75 unequal: No Solution Exploring Operation: 9*76=684, Resulting Numbers: [684] 684,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[2, 29], Operations: ['42/21=2', '38-9=29'] Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,75 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[4, 30], Operations: ['42-38=4', '9+21=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,75 unequal: No Solution Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,75 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[9, 19], Operations: ['42/21=2', '38/2=19'] Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,75 unequal: No Solution Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[38, 7], Operations: ['42/21=2', '9-2=7'] Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,75 unequal: No Solution Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,75 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,75 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 9, 28, 22, 7 ]
33
[ "28-22=6", "7*6=42", "42-9=33" ]
Current State: 33:[9, 28, 22, 7], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [9, 7, 6] Generated Node #2: [9, 7, 6] from Operation: 28-22=6 Current State: 33:[9, 7, 6], Operations: ['28-22=6'] Exploring Operation: 7*6=42, Resulting Numbers: [9, 42] Generated Node #3: [9, 42] from Operation: 7*6=42 Current State: 33:[9, 42], Operations: ['28-22=6', '7*6=42'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[9, 28, 22, 7], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [9, 7, 6] Generated Node #0,0: 33:[9, 7, 6] Operation: 28-22=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[9, 7, 6], Operations: ['28-22=6'] Exploring Operation: 9-7=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 33:[6, 2] Operation: 9-7=2 Moving to Node #0,0,0 Current State: 33:[6, 2], Operations: ['28-22=6', '9-7=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 13, 99, 90, 2 ]
11
[ "13+99=112", "112-90=22", "22/2=11" ]
Current State: 11:[13, 99, 90, 2], Operations: [] Exploring Operation: 13+99=112, Resulting Numbers: [90, 2, 112] Generated Node #2: [90, 2, 112] from Operation: 13+99=112 Current State: 11:[90, 2, 112], Operations: ['13+99=112'] Exploring Operation: 112-90=22, Resulting Numbers: [2, 22] Generated Node #3: [2, 22] from Operation: 112-90=22 Current State: 11:[2, 22], Operations: ['13+99=112', '112-90=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[13, 99, 90, 2], Operations: [] Exploring Operation: 99-13=86, Resulting Numbers: [90, 2, 86] Generated Node #0,0: 11:[90, 2, 86] Operation: 99-13=86 Exploring Operation: 99-90=9, Resulting Numbers: [13, 2, 9] Generated Node #0,1: 11:[13, 2, 9] Operation: 99-90=9 Exploring Operation: 90/2=45, Resulting Numbers: [13, 99, 45] Generated Node #0,2: 11:[13, 99, 45] Operation: 90/2=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[13, 2, 9], Operations: ['99-90=9'] Exploring Operation: 13+2=15, Resulting Numbers: [9, 15] Generated Node #0,1,0: 11:[9, 15] Operation: 13+2=15 Exploring Operation: 13-2=11, Resulting Numbers: [9, 11] Generated Node #0,1,1: 11:[9, 11] Operation: 13-2=11 Exploring Operation: 2+9=11, Resulting Numbers: [13, 11] Generated Node #0,1,2: 11:[13, 11] Operation: 2+9=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[9, 11], Operations: ['99-90=9', '13-2=11'] Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,11 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,11 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[13, 11], Operations: ['99-90=9', '2+9=11'] Exploring Operation: 13+11=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 13*11=143, Resulting Numbers: [143] 143,11 unequal: No Solution Exploring Operation: 13-11=2, Resulting Numbers: [2] 2,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[9, 15], Operations: ['99-90=9', '13+2=15'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,11 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[13, 99, 45], Operations: ['90/2=45'] Exploring Operation: 99-13=86, Resulting Numbers: [45, 86] Generated Node #0,2,0: 11:[45, 86] Operation: 99-13=86 Exploring Operation: 99-45=54, Resulting Numbers: [13, 54] Generated Node #0,2,1: 11:[13, 54] Operation: 99-45=54 Exploring Operation: 45-13=32, Resulting Numbers: [99, 32] Generated Node #0,2,2: 11:[99, 32] Operation: 45-13=32 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[13, 54], Operations: ['90/2=45', '99-45=54'] Exploring Operation: 13*54=702, Resulting Numbers: [702] 702,11 unequal: No Solution Exploring Operation: 13+54=67, Resulting Numbers: [67] 67,11 unequal: No Solution Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 11:[45, 86], Operations: ['90/2=45', '99-13=86'] Exploring Operation: 45*86=3870, Resulting Numbers: [3870] 3870,11 unequal: No Solution Exploring Operation: 45+86=131, Resulting Numbers: [131] 131,11 unequal: No Solution Exploring Operation: 86-45=41, Resulting Numbers: [41] 41,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 11:[99, 32], Operations: ['90/2=45', '45-13=32'] Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,11 unequal: No Solution Exploring Operation: 99+32=131, Resulting Numbers: [131] 131,11 unequal: No Solution Exploring Operation: 99*32=3168, Resulting Numbers: [3168] 3168,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[90, 2, 86], Operations: ['99-13=86'] Exploring Operation: 90/2=45, Resulting Numbers: [86, 45] Generated Node #0,0,0: 11:[86, 45] Operation: 90/2=45 Exploring Operation: 90-86=4, Resulting Numbers: [2, 4] Generated Node #0,0,1: 11:[2, 4] Operation: 90-86=4 Exploring Operation: 86/2=43, Resulting Numbers: [90, 43] Generated Node #0,0,2: 11:[90, 43] Operation: 86/2=43 Moving to Node #0,0,1 Current State: 11:[2, 4], Operations: ['99-13=86', '90-86=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,11 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[86, 45], Operations: ['99-13=86', '90/2=45'] Exploring Operation: 86-45=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 86+45=131, Resulting Numbers: [131] 131,11 unequal: No Solution Exploring Operation: 86*45=3870, Resulting Numbers: [3870] 3870,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[90, 43], Operations: ['99-13=86', '86/2=43'] Exploring Operation: 90+43=133, Resulting Numbers: [133] 133,11 unequal: No Solution Exploring Operation: 90*43=3870, Resulting Numbers: [3870] 3870,11 unequal: No Solution Exploring Operation: 90-43=47, Resulting Numbers: [47] 47,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 38, 97, 35, 66 ]
75
[ "38-35=3", "66/3=22", "97-22=75" ]
Current State: 75:[38, 97, 35, 66], Operations: [] Exploring Operation: 38-35=3, Resulting Numbers: [97, 66, 3] Generated Node #2: [97, 66, 3] from Operation: 38-35=3 Current State: 75:[97, 66, 3], Operations: ['38-35=3'] Exploring Operation: 66/3=22, Resulting Numbers: [97, 22] Generated Node #3: [97, 22] from Operation: 66/3=22 Current State: 75:[97, 22], Operations: ['38-35=3', '66/3=22'] Exploring Operation: 97-22=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[38, 97, 35, 66], Operations: [] Exploring Operation: 97-66=31, Resulting Numbers: [38, 35, 31] Generated Node #0,0: 75:[38, 35, 31] Operation: 97-66=31 Exploring Operation: 38-35=3, Resulting Numbers: [97, 66, 3] Generated Node #0,1: 75:[97, 66, 3] Operation: 38-35=3 Exploring Operation: 38+35=73, Resulting Numbers: [97, 66, 73] Generated Node #0,2: 75:[97, 66, 73] Operation: 38+35=73 Moving to Node #0,0 Current State: 75:[38, 35, 31], Operations: ['97-66=31'] Exploring Operation: 38+35=73, Resulting Numbers: [31, 73] Generated Node #0,0,0: 75:[31, 73] Operation: 38+35=73 Exploring Operation: 38-31=7, Resulting Numbers: [35, 7] Generated Node #0,0,1: 75:[35, 7] Operation: 38-31=7 Exploring Operation: 38-35=3, Resulting Numbers: [31, 3] Generated Node #0,0,2: 75:[31, 3] Operation: 38-35=3 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 75:[31, 3], Operations: ['97-66=31', '38-35=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,75 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[31, 73], Operations: ['97-66=31', '38+35=73'] Exploring Operation: 31+73=104, Resulting Numbers: [104] 104,75 unequal: No Solution Exploring Operation: 73-31=42, Resulting Numbers: [42] 42,75 unequal: No Solution Exploring Operation: 31*73=2263, Resulting Numbers: [2263] 2263,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[35, 7], Operations: ['97-66=31', '38-31=7'] Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,75 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: 75:[97, 66, 3], Operations: ['38-35=3'] Exploring Operation: 97-3=94, Resulting Numbers: [66, 94] Generated Node #0,1,0: 75:[66, 94] Operation: 97-3=94 Exploring Operation: 97-66=31, Resulting Numbers: [3, 31] Generated Node #0,1,1: 75:[3, 31] Operation: 97-66=31 Exploring Operation: 66/3=22, Resulting Numbers: [97, 22] Generated Node #0,1,2: 75:[97, 22] Operation: 66/3=22 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[3, 31], Operations: ['38-35=3', '97-66=31'] Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,75 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,75 unequal: No Solution Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 75:[97, 22], Operations: ['38-35=3', '66/3=22'] Exploring Operation: 97-22=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[38, 97, 35, 66], Operations: [] Exploring Operation: 38-35=3, Resulting Numbers: [97, 66, 3] Generated Node #0,1: 75:[97, 66, 3] Operation: 38-35=3 Moving to Node #0,1 Current State: 75:[97, 66, 3], Operations: ['38-35=3'] Exploring Operation: 66/3=22, Resulting Numbers: [97, 22] Generated Node #0,1,2: 75:[97, 22] Operation: 66/3=22 Moving to Node #0,1,2 Current State: 75:[97, 22], Operations: ['38-35=3', '66/3=22'] Exploring Operation: 97-22=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 62, 16, 65, 67 ]
76
[ "62+16=78", "67-65=2", "78-2=76" ]
Current State: 76:[62, 16, 65, 67], Operations: [] Exploring Operation: 62+16=78, Resulting Numbers: [65, 67, 78] Generated Node #2: [65, 67, 78] from Operation: 62+16=78 Current State: 76:[65, 67, 78], Operations: ['62+16=78'] Exploring Operation: 67-65=2, Resulting Numbers: [78, 2] Generated Node #3: [78, 2] from Operation: 67-65=2 Current State: 76:[78, 2], Operations: ['62+16=78', '67-65=2'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[62, 16, 65, 67], Operations: [] Exploring Operation: 65-62=3, Resulting Numbers: [16, 67, 3] Generated Node #0,0: 76:[16, 67, 3] Operation: 65-62=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[16, 67, 3], Operations: ['65-62=3'] Exploring Operation: 16+67=83, Resulting Numbers: [3, 83] Generated Node #0,0,0: 76:[3, 83] Operation: 16+67=83 Moving to Node #0,0,0 Current State: 76:[3, 83], Operations: ['65-62=3', '16+67=83'] Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 72, 35, 26, 74 ]
28
[ "72-35=37", "74/37=2", "26+2=28" ]
Current State: 28:[72, 35, 26, 74], Operations: [] Exploring Operation: 72-35=37, Resulting Numbers: [26, 74, 37] Generated Node #2: [26, 74, 37] from Operation: 72-35=37 Current State: 28:[26, 74, 37], Operations: ['72-35=37'] Exploring Operation: 74/37=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 74/37=2 Current State: 28:[26, 2], Operations: ['72-35=37', '74/37=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[72, 35, 26, 74], Operations: [] Exploring Operation: 74-35=39, Resulting Numbers: [72, 26, 39] Generated Node #0,0: 28:[72, 26, 39] Operation: 74-35=39 Exploring Operation: 74-72=2, Resulting Numbers: [35, 26, 2] Generated Node #0,1: 28:[35, 26, 2] Operation: 74-72=2 Exploring Operation: 72-35=37, Resulting Numbers: [26, 74, 37] Generated Node #0,2: 28:[26, 74, 37] Operation: 72-35=37 Moving to Node #0,1 Current State: 28:[35, 26, 2], Operations: ['74-72=2'] Exploring Operation: 35-26=9, Resulting Numbers: [2, 9] Generated Node #0,1,0: 28:[2, 9] Operation: 35-26=9 Exploring Operation: 26+2=28, Resulting Numbers: [35, 28] Generated Node #0,1,1: 28:[35, 28] Operation: 26+2=28 Exploring Operation: 35-2=33, Resulting Numbers: [26, 33] Generated Node #0,1,2: 28:[26, 33] Operation: 35-2=33 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[2, 9], Operations: ['74-72=2', '35-26=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,28 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[35, 28], Operations: ['74-72=2', '26+2=28'] Exploring Operation: 35-28=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 35*28=980, Resulting Numbers: [980] 980,28 unequal: No Solution Exploring Operation: 35+28=63, Resulting Numbers: [63] 63,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[26, 33], Operations: ['74-72=2', '35-2=33'] Exploring Operation: 26*33=858, Resulting Numbers: [858] 858,28 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,28 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: 28:[72, 26, 39], Operations: ['74-35=39'] Exploring Operation: 72-26=46, Resulting Numbers: [39, 46] Generated Node #0,0,0: 28:[39, 46] Operation: 72-26=46 Exploring Operation: 72-39=33, Resulting Numbers: [26, 33] Generated Node #0,0,1: 28:[26, 33] Operation: 72-39=33 Exploring Operation: 39-26=13, Resulting Numbers: [72, 13] Generated Node #0,0,2: 28:[72, 13] Operation: 39-26=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[26, 33], Operations: ['74-35=39', '72-39=33'] Exploring Operation: 26+33=59, Resulting Numbers: [59] 59,28 unequal: No Solution Exploring Operation: 26*33=858, Resulting Numbers: [858] 858,28 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[39, 46], Operations: ['74-35=39', '72-26=46'] Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 39+46=85, Resulting Numbers: [85] 85,28 unequal: No Solution Exploring Operation: 39*46=1794, Resulting Numbers: [1794] 1794,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 28:[72, 13], Operations: ['74-35=39', '39-26=13'] Exploring Operation: 72+13=85, Resulting Numbers: [85] 85,28 unequal: No Solution Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,28 unequal: No Solution Exploring Operation: 72*13=936, Resulting Numbers: [936] 936,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 28:[26, 74, 37], Operations: ['72-35=37'] Exploring Operation: 74/37=2, Resulting Numbers: [26, 2] Generated Node #0,2,0: 28:[26, 2] Operation: 74/37=2 Exploring Operation: 74-26=48, Resulting Numbers: [37, 48] Generated Node #0,2,1: 28:[37, 48] Operation: 74-26=48 Exploring Operation: 74-37=37, Resulting Numbers: [26, 37] Generated Node #0,2,2: 28:[26, 37] Operation: 74-37=37 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 28:[26, 2], Operations: ['72-35=37', '74/37=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,28 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[72, 35, 26, 74], Operations: [] Exploring Operation: 72-35=37, Resulting Numbers: [26, 74, 37] Generated Node #0,2: 28:[26, 74, 37] Operation: 72-35=37 Moving to Node #0,2 Current State: 28:[26, 74, 37], Operations: ['72-35=37'] Exploring Operation: 74/37=2, Resulting Numbers: [26, 2] Generated Node #0,2,0: 28:[26, 2] Operation: 74/37=2 Moving to Node #0,2,0 Current State: 28:[26, 2], Operations: ['72-35=37', '74/37=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
mult_heuristic
[ 76, 2, 52, 58 ]
79
[ "58-52=6", "6/2=3", "76+3=79" ]
Current State: 79:[76, 2, 52, 58], Operations: [] Exploring Operation: 58-52=6, Resulting Numbers: [76, 2, 6] Generated Node #2: [76, 2, 6] from Operation: 58-52=6 Current State: 79:[76, 2, 6], Operations: ['58-52=6'] Exploring Operation: 6/2=3, Resulting Numbers: [76, 3] Generated Node #3: [76, 3] from Operation: 6/2=3 Current State: 79:[76, 3], Operations: ['58-52=6', '6/2=3'] Exploring Operation: 76+3=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[76, 2, 52, 58], Operations: [] Exploring Operation: 76-2=74, Resulting Numbers: [52, 58, 74] Generated Node #0,0: 79:[52, 58, 74] Operation: 76-2=74 Exploring Operation: 76+2=78, Resulting Numbers: [52, 58, 78] Generated Node #0,1: 79:[52, 58, 78] Operation: 76+2=78 Exploring Operation: 2+58=60, Resulting Numbers: [76, 52, 60] Generated Node #0,2: 79:[76, 52, 60] Operation: 2+58=60 Exploring Operation: 2*52=104, Resulting Numbers: [76, 58, 104] Generated Node #0,3: 79:[76, 58, 104] Operation: 2*52=104 Exploring Operation: 2+52=54, Resulting Numbers: [76, 58, 54] Generated Node #0,4: 79:[76, 58, 54] Operation: 2+52=54 Moving to Node #0,1 Current State: 79:[52, 58, 78], Operations: ['76+2=78'] Exploring Operation: 52+58=110, Resulting Numbers: [78, 110] Generated Node #0,1,0: 79:[78, 110] Operation: 52+58=110 Exploring Operation: 58-52=6, Resulting Numbers: [78, 6] Generated Node #0,1,1: 79:[78, 6] Operation: 58-52=6 Exploring Operation: 58+78=136, Resulting Numbers: [52, 136] Generated Node #0,1,2: 79:[52, 136] Operation: 58+78=136 Exploring Operation: 78-52=26, Resulting Numbers: [58, 26] Generated Node #0,1,3: 79:[58, 26] Operation: 78-52=26 Exploring Operation: 52+78=130, Resulting Numbers: [58, 130] Generated Node #0,1,4: 79:[58, 130] Operation: 52+78=130 Moving to Node #0,3 Current State: 79:[76, 58, 104], Operations: ['2*52=104'] Exploring Operation: 58+104=162, Resulting Numbers: [76, 162] Generated Node #0,3,0: 79:[76, 162] Operation: 58+104=162 Exploring Operation: 76+58=134, Resulting Numbers: [104, 134] Generated Node #0,3,1: 79:[104, 134] Operation: 76+58=134 Exploring Operation: 76-58=18, Resulting Numbers: [104, 18] Generated Node #0,3,2: 79:[104, 18] Operation: 76-58=18 Exploring Operation: 104-58=46, Resulting Numbers: [76, 46] Generated Node #0,3,3: 79:[76, 46] Operation: 104-58=46 Exploring Operation: 104-76=28, Resulting Numbers: [58, 28] Generated Node #0,3,4: 79:[58, 28] Operation: 104-76=28 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 79:[76, 46], Operations: ['2*52=104', '104-58=46'] Exploring Operation: 76+46=122, Resulting Numbers: [122] 122,79 unequal: No Solution Exploring Operation: 76-46=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 76*46=3496, Resulting Numbers: [3496] 3496,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 79:[58, 28], Operations: ['2*52=104', '104-76=28'] Exploring Operation: 58-28=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 58*28=1624, Resulting Numbers: [1624] 1624,79 unequal: No Solution Exploring Operation: 58+28=86, Resulting Numbers: [86] 86,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 79:[104, 134], Operations: ['2*52=104', '76+58=134'] Exploring Operation: 134-104=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 104+134=238, Resulting Numbers: [238] 238,79 unequal: No Solution Exploring Operation: 104*134=13936, Resulting Numbers: [13936] 13936,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 79:[76, 162], Operations: ['2*52=104', '58+104=162'] Exploring Operation: 76+162=238, Resulting Numbers: [238] 238,79 unequal: No Solution Exploring Operation: 76*162=12312, Resulting Numbers: [12312] 12312,79 unequal: No Solution Exploring Operation: 162-76=86, Resulting Numbers: [86] 86,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 79:[104, 18], Operations: ['2*52=104', '76-58=18'] Exploring Operation: 104-18=86, Resulting Numbers: [86] 86,79 unequal: No Solution Exploring Operation: 104+18=122, Resulting Numbers: [122] 122,79 unequal: No Solution Exploring Operation: 104*18=1872, Resulting Numbers: [1872] 1872,79 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: 79:[76, 52, 60], Operations: ['2+58=60'] Exploring Operation: 76+52=128, Resulting Numbers: [60, 128] Generated Node #0,2,0: 79:[60, 128] Operation: 76+52=128 Exploring Operation: 52+60=112, Resulting Numbers: [76, 112] Generated Node #0,2,1: 79:[76, 112] Operation: 52+60=112 Exploring Operation: 76+60=136, Resulting Numbers: [52, 136] Generated Node #0,2,2: 79:[52, 136] Operation: 76+60=136 Exploring Operation: 60-52=8, Resulting Numbers: [76, 8] Generated Node #0,2,3: 79:[76, 8] Operation: 60-52=8 Exploring Operation: 76-52=24, Resulting Numbers: [60, 24] Generated Node #0,2,4: 79:[60, 24] Operation: 76-52=24 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 79:[76, 112], Operations: ['2+58=60', '52+60=112'] Exploring Operation: 112-76=36, Resulting Numbers: [36] 36,79 unequal: No Solution Exploring Operation: 76+112=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 76*112=8512, Resulting Numbers: [8512] 8512,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 79:[60, 128], Operations: ['2+58=60', '76+52=128'] Exploring Operation: 60*128=7680, Resulting Numbers: [7680] 7680,79 unequal: No Solution Exploring Operation: 60+128=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 128-60=68, Resulting Numbers: [68] 68,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 79:[76, 8], Operations: ['2+58=60', '60-52=8'] Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 76*8=608, Resulting Numbers: [608] 608,79 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 79:[60, 24], Operations: ['2+58=60', '76-52=24'] Exploring Operation: 60*24=1440, Resulting Numbers: [1440] 1440,79 unequal: No Solution Exploring Operation: 60+24=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 60-24=36, Resulting Numbers: [36] 36,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 79:[52, 136], Operations: ['2+58=60', '76+60=136'] Exploring Operation: 52+136=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 136-52=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 52*136=7072, Resulting Numbers: [7072] 7072,79 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: 79:[76, 58, 54], Operations: ['2+52=54'] Exploring Operation: 58-54=4, Resulting Numbers: [76, 4] Generated Node #0,4,0: 79:[76, 4] Operation: 58-54=4 Exploring Operation: 76-54=22, Resulting Numbers: [58, 22] Generated Node #0,4,1: 79:[58, 22] Operation: 76-54=22 Exploring Operation: 76+54=130, Resulting Numbers: [58, 130] Generated Node #0,4,2: 79:[58, 130] Operation: 76+54=130 Exploring Operation: 76+58=134, Resulting Numbers: [54, 134] Generated Node #0,4,3: 79:[54, 134] Operation: 76+58=134 Exploring Operation: 58+54=112, Resulting Numbers: [76, 112] Generated Node #0,4,4: 79:[76, 112] Operation: 58+54=112 Moving to Node #0,0 Current State: 79:[52, 58, 74], Operations: ['76-2=74'] Exploring Operation: 58-52=6, Resulting Numbers: [74, 6] Generated Node #0,0,0: 79:[74, 6] Operation: 58-52=6 Exploring Operation: 52+74=126, Resulting Numbers: [58, 126] Generated Node #0,0,1: 79:[58, 126] Operation: 52+74=126 Exploring Operation: 52+58=110, Resulting Numbers: [74, 110] Generated Node #0,0,2: 79:[74, 110] Operation: 52+58=110 Exploring Operation: 58+74=132, Resulting Numbers: [52, 132] Generated Node #0,0,3: 79:[52, 132] Operation: 58+74=132 Exploring Operation: 74-52=22, Resulting Numbers: [58, 22] Generated Node #0,0,4: 79:[58, 22] Operation: 74-52=22 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[74, 110], Operations: ['76-2=74', '52+58=110'] Exploring Operation: 74+110=184, Resulting Numbers: [184] 184,79 unequal: No Solution Exploring Operation: 110-74=36, Resulting Numbers: [36] 36,79 unequal: No Solution Exploring Operation: 74*110=8140, Resulting Numbers: [8140] 8140,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[58, 126], Operations: ['76-2=74', '52+74=126'] Exploring Operation: 58*126=7308, Resulting Numbers: [7308] 7308,79 unequal: No Solution Exploring Operation: 126-58=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 58+126=184, Resulting Numbers: [184] 184,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[74, 6], Operations: ['76-2=74', '58-52=6'] Exploring Operation: 74*6=444, Resulting Numbers: [444] 444,79 unequal: No Solution Exploring Operation: 74-6=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 74+6=80, Resulting Numbers: [80] 80,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 79:[58, 22], Operations: ['76-2=74', '74-52=22'] Exploring Operation: 58*22=1276, Resulting Numbers: [1276] 1276,79 unequal: No Solution Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,79 unequal: No Solution Exploring Operation: 58+22=80, Resulting Numbers: [80] 80,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 79:[52, 132], Operations: ['76-2=74', '58+74=132'] Exploring Operation: 52*132=6864, Resulting Numbers: [6864] 6864,79 unequal: No Solution Exploring Operation: 52+132=184, Resulting Numbers: [184] 184,79 unequal: No Solution Exploring Operation: 132-52=80, Resulting Numbers: [80] 80,79 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: 79:[78, 110], Operations: ['76+2=78', '52+58=110'] Exploring Operation: 78+110=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 110-78=32, Resulting Numbers: [32] 32,79 unequal: No Solution Exploring Operation: 78*110=8580, Resulting Numbers: [8580] 8580,79 unequal: No Solution Moving to Node #0,4,4 Current State: 79:[76, 112], Operations: ['2+52=54', '58+54=112'] Exploring Operation: 76+112=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 112-76=36, Resulting Numbers: [36] 36,79 unequal: No Solution Exploring Operation: 76*112=8512, Resulting Numbers: [8512] 8512,79 unequal: No Solution Moving to Node #0,4,2 Current State: 79:[58, 130], Operations: ['2+52=54', '76+54=130'] Exploring Operation: 58*130=7540, Resulting Numbers: [7540] 7540,79 unequal: No Solution Exploring Operation: 58+130=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 130-58=72, Resulting Numbers: [72] 72,79 unequal: No Solution Moving to Node #0,1,4 Current State: 79:[58, 130], Operations: ['76+2=78', '52+78=130'] Exploring Operation: 58+130=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 130-58=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 58*130=7540, Resulting Numbers: [7540] 7540,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[78, 6], Operations: ['76+2=78', '58-52=6'] Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,79 unequal: No Solution Exploring Operation: 78*6=468, Resulting Numbers: [468] 468,79 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[58, 26], Operations: ['76+2=78', '78-52=26'] Exploring Operation: 58-26=32, Resulting Numbers: [32] 32,79 unequal: No Solution Exploring Operation: 58*26=1508, Resulting Numbers: [1508] 1508,79 unequal: No Solution Exploring Operation: 58+26=84, Resulting Numbers: [84] 84,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[58, 22], Operations: ['2+52=54', '76-54=22'] Exploring Operation: 58*22=1276, Resulting Numbers: [1276] 1276,79 unequal: No Solution Exploring Operation: 58-22=36, Resulting Numbers: [36] 36,79 unequal: No Solution Exploring Operation: 58+22=80, Resulting Numbers: [80] 80,79 unequal: No Solution Moving to Node #0,4,0 Current State: 79:[76, 4], Operations: ['2+52=54', '58-54=4'] Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,79 unequal: No Solution Exploring Operation: 76*4=304, Resulting Numbers: [304] 304,79 unequal: No Solution Moving to Node #0,4,3 Current State: 79:[54, 134], Operations: ['2+52=54', '76+58=134'] Exploring Operation: 134-54=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 54*134=7236, Resulting Numbers: [7236] 7236,79 unequal: No Solution Exploring Operation: 54+134=188, Resulting Numbers: [188] 188,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[52, 136], Operations: ['76+2=78', '58+78=136'] Exploring Operation: 52+136=188, Resulting Numbers: [188] 188,79 unequal: No Solution Exploring Operation: 136-52=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 52*136=7072, Resulting Numbers: [7072] 7072,79 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 8, 58, 74, 10 ]
80
[ "8+58=66", "74-66=8", "10*8=80" ]
Current State: 80:[8, 58, 74, 10], Operations: [] Exploring Operation: 8+58=66, Resulting Numbers: [74, 10, 66] Generated Node #2: [74, 10, 66] from Operation: 8+58=66 Current State: 80:[74, 10, 66], Operations: ['8+58=66'] Exploring Operation: 74-66=8, Resulting Numbers: [10, 8] Generated Node #3: [10, 8] from Operation: 74-66=8 Current State: 80:[10, 8], Operations: ['8+58=66', '74-66=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[8, 58, 74, 10], Operations: [] Exploring Operation: 74-58=16, Resulting Numbers: [8, 10, 16] Generated Node #0,0: 80:[8, 10, 16] Operation: 74-58=16 Moving to Node #0,0 Current State: 80:[8, 10, 16], Operations: ['74-58=16'] Exploring Operation: 8*10=80, Resulting Numbers: [16, 80] Generated Node #0,0,0: 80:[16, 80] Operation: 8*10=80 Moving to Node #0,0,0 Current State: 80:[16, 80], Operations: ['74-58=16', '8*10=80'] Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,80 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 15, 39, 51, 75 ]
72
[ "15+39=54", "51+75=126", "126-54=72" ]
Current State: 72:[15, 39, 51, 75], Operations: [] Exploring Operation: 15+39=54, Resulting Numbers: [51, 75, 54] Generated Node #2: [51, 75, 54] from Operation: 15+39=54 Current State: 72:[51, 75, 54], Operations: ['15+39=54'] Exploring Operation: 51+75=126, Resulting Numbers: [54, 126] Generated Node #3: [54, 126] from Operation: 51+75=126 Current State: 72:[54, 126], Operations: ['15+39=54', '51+75=126'] Exploring Operation: 126-54=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[15, 39, 51, 75], Operations: [] Exploring Operation: 51-39=12, Resulting Numbers: [15, 75, 12] Generated Node #0,0: 72:[15, 75, 12] Operation: 51-39=12 Exploring Operation: 39-15=24, Resulting Numbers: [51, 75, 24] Generated Node #0,1: 72:[51, 75, 24] Operation: 39-15=24 Exploring Operation: 51-15=36, Resulting Numbers: [39, 75, 36] Generated Node #0,2: 72:[39, 75, 36] Operation: 51-15=36 Exploring Operation: 15+51=66, Resulting Numbers: [39, 75, 66] Generated Node #0,3: 72:[39, 75, 66] Operation: 15+51=66 Exploring Operation: 75-51=24, Resulting Numbers: [15, 39, 24] Generated Node #0,4: 72:[15, 39, 24] Operation: 75-51=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[15, 75, 12], Operations: ['51-39=12'] Exploring Operation: 15+12=27, Resulting Numbers: [75, 27] Generated Node #0,0,0: 72:[75, 27] Operation: 15+12=27 Exploring Operation: 75-12=63, Resulting Numbers: [15, 63] Generated Node #0,0,1: 72:[15, 63] Operation: 75-12=63 Exploring Operation: 75-15=60, Resulting Numbers: [12, 60] Generated Node #0,0,2: 72:[12, 60] Operation: 75-15=60 Exploring Operation: 75/15=5, Resulting Numbers: [12, 5] Generated Node #0,0,3: 72:[12, 5] Operation: 75/15=5 Exploring Operation: 15-12=3, Resulting Numbers: [75, 3] Generated Node #0,0,4: 72:[75, 3] Operation: 15-12=3 Moving to Node #0,0,3 Current State: 72:[12, 5], Operations: ['51-39=12', '75/15=5'] Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,72 unequal: No Solution Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,72 unequal: No Solution Moving to Node #0,0,4 Current State: 72:[75, 3], Operations: ['51-39=12', '15-12=3'] Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,72 unequal: No Solution Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[15, 39, 51, 75], Operations: [] Exploring Operation: 51-39=12, Resulting Numbers: [15, 75, 12] Generated Node #0,0: 72:[15, 75, 12] Operation: 51-39=12 Moving to Node #0,0 Current State: 72:[15, 75, 12], Operations: ['51-39=12'] Exploring Operation: 15-12=3, Resulting Numbers: [75, 3] Generated Node #0,0,4: 72:[75, 3] Operation: 15-12=3 Moving to Node #0,0,4 Current State: 72:[75, 3], Operations: ['51-39=12', '15-12=3'] Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 69, 76, 98, 9 ]
100
[ "76-69=7", "98+9=107", "107-7=100" ]
Current State: 100:[69, 76, 98, 9], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [98, 9, 7] Generated Node #2: [98, 9, 7] from Operation: 76-69=7 Current State: 100:[98, 9, 7], Operations: ['76-69=7'] Exploring Operation: 98+9=107, Resulting Numbers: [7, 107] Generated Node #3: [7, 107] from Operation: 98+9=107 Current State: 100:[7, 107], Operations: ['76-69=7', '98+9=107'] Exploring Operation: 107-7=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[69, 76, 98, 9], Operations: [] Exploring Operation: 98-76=22, Resulting Numbers: [69, 9, 22] Generated Node #0,0: 100:[69, 9, 22] Operation: 98-76=22 Exploring Operation: 76-69=7, Resulting Numbers: [98, 9, 7] Generated Node #0,1: 100:[98, 9, 7] Operation: 76-69=7 Moving to Node #0,1 Current State: 100:[98, 9, 7], Operations: ['76-69=7'] Exploring Operation: 9-7=2, Resulting Numbers: [98, 2] Generated Node #0,1,0: 100:[98, 2] Operation: 9-7=2 Exploring Operation: 98/7=14, Resulting Numbers: [9, 14] Generated Node #0,1,1: 100:[9, 14] Operation: 98/7=14 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[98, 2], Operations: ['76-69=7', '9-7=2'] Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[69, 76, 98, 9], Operations: [] Exploring Operation: 76-69=7, Resulting Numbers: [98, 9, 7] Generated Node #0,1: 100:[98, 9, 7] Operation: 76-69=7 Moving to Node #0,1 Current State: 100:[98, 9, 7], Operations: ['76-69=7'] Exploring Operation: 9-7=2, Resulting Numbers: [98, 2] Generated Node #0,1,0: 100:[98, 2] Operation: 9-7=2 Moving to Node #0,1,0 Current State: 100:[98, 2], Operations: ['76-69=7', '9-7=2'] Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 3, 69, 41, 46 ]
38
[ "69-41=28", "3*28=84", "84-46=38" ]
Current State: 38:[3, 69, 41, 46], Operations: [] Exploring Operation: 69-41=28, Resulting Numbers: [3, 46, 28] Generated Node #2: [3, 46, 28] from Operation: 69-41=28 Current State: 38:[3, 46, 28], Operations: ['69-41=28'] Exploring Operation: 3*28=84, Resulting Numbers: [46, 84] Generated Node #3: [46, 84] from Operation: 3*28=84 Current State: 38:[46, 84], Operations: ['69-41=28', '3*28=84'] Exploring Operation: 84-46=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[3, 69, 41, 46], Operations: [] Exploring Operation: 69/3=23, Resulting Numbers: [41, 46, 23] Generated Node #0,0: 38:[41, 46, 23] Operation: 69/3=23 Exploring Operation: 69-46=23, Resulting Numbers: [3, 41, 23] Generated Node #0,1: 38:[3, 41, 23] Operation: 69-46=23 Exploring Operation: 69-41=28, Resulting Numbers: [3, 46, 28] Generated Node #0,2: 38:[3, 46, 28] Operation: 69-41=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[3, 41, 23], Operations: ['69-46=23'] Exploring Operation: 41-23=18, Resulting Numbers: [3, 18] Generated Node #0,1,0: 38:[3, 18] Operation: 41-23=18 Exploring Operation: 41-3=38, Resulting Numbers: [23, 38] Generated Node #0,1,1: 38:[23, 38] Operation: 41-3=38 Exploring Operation: 23-3=20, Resulting Numbers: [41, 20] Generated Node #0,1,2: 38:[41, 20] Operation: 23-3=20 Moving to Node #0,1,0 Current State: 38:[3, 18], Operations: ['69-46=23', '41-23=18'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,38 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,38 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[23, 38], Operations: ['69-46=23', '41-3=38'] Exploring Operation: 23+38=61, Resulting Numbers: [61] 61,38 unequal: No Solution Exploring Operation: 23*38=874, Resulting Numbers: [874] 874,38 unequal: No Solution Exploring Operation: 38-23=15, Resulting Numbers: [15] 15,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[41, 20], Operations: ['69-46=23', '23-3=20'] Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 41+20=61, Resulting Numbers: [61] 61,38 unequal: No Solution Exploring Operation: 41*20=820, Resulting Numbers: [820] 820,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[41, 46, 23], Operations: ['69/3=23'] Exploring Operation: 46-23=23, Resulting Numbers: [41, 23] Generated Node #0,0,0: 38:[41, 23] Operation: 46-23=23 Exploring Operation: 46/23=2, Resulting Numbers: [41, 2] Generated Node #0,0,1: 38:[41, 2] Operation: 46/23=2 Exploring Operation: 46-41=5, Resulting Numbers: [23, 5] Generated Node #0,0,2: 38:[23, 5] Operation: 46-41=5 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 38:[41, 2], Operations: ['69/3=23', '46/23=2'] Exploring Operation: 41*2=82, Resulting Numbers: [82] 82,38 unequal: No Solution Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,38 unequal: No Solution Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[41, 23], Operations: ['69/3=23', '46-23=23'] Exploring Operation: 41*23=943, Resulting Numbers: [943] 943,38 unequal: No Solution Exploring Operation: 41+23=64, Resulting Numbers: [64] 64,38 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 38:[23, 5], Operations: ['69/3=23', '46-41=5'] Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,38 unequal: No Solution Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,38 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[3, 46, 28], Operations: ['69-41=28'] Exploring Operation: 28-3=25, Resulting Numbers: [46, 25] Generated Node #0,2,0: 38:[46, 25] Operation: 28-3=25 Exploring Operation: 46-28=18, Resulting Numbers: [3, 18] Generated Node #0,2,1: 38:[3, 18] Operation: 46-28=18 Exploring Operation: 46-3=43, Resulting Numbers: [28, 43] Generated Node #0,2,2: 38:[28, 43] Operation: 46-3=43 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 38:[3, 18], Operations: ['69-41=28', '46-28=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,38 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 38:[46, 25], Operations: ['69-41=28', '28-3=25'] Exploring Operation: 46*25=1150, Resulting Numbers: [1150] 1150,38 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 38:[28, 43], Operations: ['69-41=28', '46-3=43'] Exploring Operation: 28*43=1204, Resulting Numbers: [1204] 1204,38 unequal: No Solution Exploring Operation: 28+43=71, Resulting Numbers: [71] 71,38 unequal: No Solution Exploring Operation: 43-28=15, Resulting Numbers: [15] 15,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 19, 38, 3, 10 ]
67
[ "38-19=19", "3*19=57", "10+57=67" ]
Current State: 67:[19, 38, 3, 10], Operations: [] Exploring Operation: 38-19=19, Resulting Numbers: [3, 10, 19] Generated Node #2: [3, 10, 19] from Operation: 38-19=19 Current State: 67:[3, 10, 19], Operations: ['38-19=19'] Exploring Operation: 3*19=57, Resulting Numbers: [10, 57] Generated Node #3: [10, 57] from Operation: 3*19=57 Current State: 67:[10, 57], Operations: ['38-19=19', '3*19=57'] Exploring Operation: 10+57=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[19, 38, 3, 10], Operations: [] Exploring Operation: 19*3=57, Resulting Numbers: [38, 10, 57] Generated Node #0,0: 67:[38, 10, 57] Operation: 19*3=57 Exploring Operation: 19+38=57, Resulting Numbers: [3, 10, 57] Generated Node #0,1: 67:[3, 10, 57] Operation: 19+38=57 Exploring Operation: 3*10=30, Resulting Numbers: [19, 38, 30] Generated Node #0,2: 67:[19, 38, 30] Operation: 3*10=30 Moving to Node #0,0 Current State: 67:[38, 10, 57], Operations: ['19*3=57'] Exploring Operation: 38+10=48, Resulting Numbers: [57, 48] Generated Node #0,0,0: 67:[57, 48] Operation: 38+10=48 Exploring Operation: 10+57=67, Resulting Numbers: [38, 67] Generated Node #0,0,1: 67:[38, 67] Operation: 10+57=67 Exploring Operation: 38-10=28, Resulting Numbers: [57, 28] Generated Node #0,0,2: 67:[57, 28] Operation: 38-10=28 Moving to Node #0,2 Current State: 67:[19, 38, 30], Operations: ['3*10=30'] Exploring Operation: 19+38=57, Resulting Numbers: [30, 57] Generated Node #0,2,0: 67:[30, 57] Operation: 19+38=57 Exploring Operation: 19+30=49, Resulting Numbers: [38, 49] Generated Node #0,2,1: 67:[38, 49] Operation: 19+30=49 Exploring Operation: 38+30=68, Resulting Numbers: [19, 68] Generated Node #0,2,2: 67:[19, 68] Operation: 38+30=68 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[30, 57], Operations: ['3*10=30', '19+38=57'] Exploring Operation: 30*57=1710, Resulting Numbers: [1710] 1710,67 unequal: No Solution Exploring Operation: 30+57=87, Resulting Numbers: [87] 87,67 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 67:[38, 49], Operations: ['3*10=30', '19+30=49'] Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 38*49=1862, Resulting Numbers: [1862] 1862,67 unequal: No Solution Exploring Operation: 38+49=87, Resulting Numbers: [87] 87,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 67:[19, 68], Operations: ['3*10=30', '38+30=68'] Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,67 unequal: No Solution Exploring Operation: 19*68=1292, Resulting Numbers: [1292] 1292,67 unequal: No Solution Exploring Operation: 19+68=87, Resulting Numbers: [87] 87,67 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: 67:[3, 10, 57], Operations: ['19+38=57'] Exploring Operation: 3*10=30, Resulting Numbers: [57, 30] Generated Node #0,1,0: 67:[57, 30] Operation: 3*10=30 Exploring Operation: 3+57=60, Resulting Numbers: [10, 60] Generated Node #0,1,1: 67:[10, 60] Operation: 3+57=60 Exploring Operation: 3+10=13, Resulting Numbers: [57, 13] Generated Node #0,1,2: 67:[57, 13] Operation: 3+10=13 Moving to Node #0,0,0 Current State: 67:[57, 48], Operations: ['19*3=57', '38+10=48'] Exploring Operation: 57*48=2736, Resulting Numbers: [2736] 2736,67 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 57+48=105, Resulting Numbers: [105] 105,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[38, 67], Operations: ['19*3=57', '10+57=67'] Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 38+67=105, Resulting Numbers: [105] 105,67 unequal: No Solution Exploring Operation: 38*67=2546, Resulting Numbers: [2546] 2546,67 unequal: No Solution Moving to Node #0,1,0 Current State: 67:[57, 30], Operations: ['19+38=57', '3*10=30'] Exploring Operation: 57*30=1710, Resulting Numbers: [1710] 1710,67 unequal: No Solution Exploring Operation: 57+30=87, Resulting Numbers: [87] 87,67 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[57, 28], Operations: ['19*3=57', '38-10=28'] Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,67 unequal: No Solution Exploring Operation: 57+28=85, Resulting Numbers: [85] 85,67 unequal: No Solution Exploring Operation: 57*28=1596, Resulting Numbers: [1596] 1596,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[57, 13], Operations: ['19+38=57', '3+10=13'] Exploring Operation: 57+13=70, Resulting Numbers: [70] 70,67 unequal: No Solution Exploring Operation: 57*13=741, Resulting Numbers: [741] 741,67 unequal: No Solution Exploring Operation: 57-13=44, Resulting Numbers: [44] 44,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[10, 60], Operations: ['19+38=57', '3+57=60'] Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,67 unequal: No Solution Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,67 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,67 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 55, 93, 65, 76 ]
49
[ "93-55=38", "76-65=11", "38+11=49" ]
Current State: 49:[55, 93, 65, 76], Operations: [] Exploring Operation: 93-55=38, Resulting Numbers: [65, 76, 38] Generated Node #2: [65, 76, 38] from Operation: 93-55=38 Current State: 49:[65, 76, 38], Operations: ['93-55=38'] Exploring Operation: 76-65=11, Resulting Numbers: [38, 11] Generated Node #3: [38, 11] from Operation: 76-65=11 Current State: 49:[38, 11], Operations: ['93-55=38', '76-65=11'] Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[55, 93, 65, 76], Operations: [] Exploring Operation: 93-65=28, Resulting Numbers: [55, 76, 28] Generated Node #0,0: 49:[55, 76, 28] Operation: 93-65=28 Exploring Operation: 93-76=17, Resulting Numbers: [55, 65, 17] Generated Node #0,1: 49:[55, 65, 17] Operation: 93-76=17 Exploring Operation: 65-55=10, Resulting Numbers: [93, 76, 10] Generated Node #0,2: 49:[93, 76, 10] Operation: 65-55=10 Exploring Operation: 76-65=11, Resulting Numbers: [55, 93, 11] Generated Node #0,3: 49:[55, 93, 11] Operation: 76-65=11 Exploring Operation: 93-55=38, Resulting Numbers: [65, 76, 38] Generated Node #0,4: 49:[65, 76, 38] Operation: 93-55=38 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[55, 65, 17], Operations: ['93-76=17'] Exploring Operation: 65-55=10, Resulting Numbers: [17, 10] Generated Node #0,1,0: 49:[17, 10] Operation: 65-55=10 Exploring Operation: 55+17=72, Resulting Numbers: [65, 72] Generated Node #0,1,1: 49:[65, 72] Operation: 55+17=72 Exploring Operation: 65-17=48, Resulting Numbers: [55, 48] Generated Node #0,1,2: 49:[55, 48] Operation: 65-17=48 Exploring Operation: 65+17=82, Resulting Numbers: [55, 82] Generated Node #0,1,3: 49:[55, 82] Operation: 65+17=82 Exploring Operation: 55-17=38, Resulting Numbers: [65, 38] Generated Node #0,1,4: 49:[65, 38] Operation: 55-17=38 Moving to Node #0,1,2 Current State: 49:[55, 48], Operations: ['93-76=17', '65-17=48'] Exploring Operation: 55*48=2640, Resulting Numbers: [2640] 2640,49 unequal: No Solution Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 55+48=103, Resulting Numbers: [103] 103,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[17, 10], Operations: ['93-76=17', '65-55=10'] Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 17*10=170, Resulting Numbers: [170] 170,49 unequal: No Solution Exploring Operation: 17+10=27, Resulting Numbers: [27] 27,49 unequal: No Solution Moving to Node #0,1,4 Current State: 49:[65, 38], Operations: ['93-76=17', '55-17=38'] Exploring Operation: 65*38=2470, Resulting Numbers: [2470] 2470,49 unequal: No Solution Exploring Operation: 65+38=103, Resulting Numbers: [103] 103,49 unequal: No Solution Exploring Operation: 65-38=27, Resulting Numbers: [27] 27,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[65, 72], Operations: ['93-76=17', '55+17=72'] Exploring Operation: 72-65=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 65+72=137, Resulting Numbers: [137] 137,49 unequal: No Solution Exploring Operation: 65*72=4680, Resulting Numbers: [4680] 4680,49 unequal: No Solution Moving to Node #0,1,3 Current State: 49:[55, 82], Operations: ['93-76=17', '65+17=82'] Exploring Operation: 55*82=4510, Resulting Numbers: [4510] 4510,49 unequal: No Solution Exploring Operation: 82-55=27, Resulting Numbers: [27] 27,49 unequal: No Solution Exploring Operation: 55+82=137, Resulting Numbers: [137] 137,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[55, 76, 28], Operations: ['93-65=28'] Exploring Operation: 76-28=48, Resulting Numbers: [55, 48] Generated Node #0,0,0: 49:[55, 48] Operation: 76-28=48 Exploring Operation: 55-28=27, Resulting Numbers: [76, 27] Generated Node #0,0,1: 49:[76, 27] Operation: 55-28=27 Exploring Operation: 76+28=104, Resulting Numbers: [55, 104] Generated Node #0,0,2: 49:[55, 104] Operation: 76+28=104 Exploring Operation: 55+28=83, Resulting Numbers: [76, 83] Generated Node #0,0,3: 49:[76, 83] Operation: 55+28=83 Exploring Operation: 76-55=21, Resulting Numbers: [28, 21] Generated Node #0,0,4: 49:[28, 21] Operation: 76-55=21 Moving to Node #0,0,0 Current State: 49:[55, 48], Operations: ['93-65=28', '76-28=48'] Exploring Operation: 55*48=2640, Resulting Numbers: [2640] 2640,49 unequal: No Solution Exploring Operation: 55+48=103, Resulting Numbers: [103] 103,49 unequal: No Solution Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,49 unequal: No Solution Moving to Node #0,0,4 Current State: 49:[28, 21], Operations: ['93-65=28', '76-55=21'] Exploring Operation: 28*21=588, Resulting Numbers: [588] 588,49 unequal: No Solution Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 28+21=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[55, 93, 65, 76], Operations: [] Exploring Operation: 93-65=28, Resulting Numbers: [55, 76, 28] Generated Node #0,0: 49:[55, 76, 28] Operation: 93-65=28 Moving to Node #0,0 Current State: 49:[55, 76, 28], Operations: ['93-65=28'] Exploring Operation: 76-55=21, Resulting Numbers: [28, 21] Generated Node #0,0,4: 49:[28, 21] Operation: 76-55=21 Moving to Node #0,0,4 Current State: 49:[28, 21], Operations: ['93-65=28', '76-55=21'] Exploring Operation: 28+21=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
mult_heuristic
[ 60, 32, 58, 53 ]
33
[ "60-32=28", "58-53=5", "28+5=33" ]
Current State: 33:[60, 32, 58, 53], Operations: [] Exploring Operation: 60-32=28, Resulting Numbers: [58, 53, 28] Generated Node #2: [58, 53, 28] from Operation: 60-32=28 Current State: 33:[58, 53, 28], Operations: ['60-32=28'] Exploring Operation: 58-53=5, Resulting Numbers: [28, 5] Generated Node #3: [28, 5] from Operation: 58-53=5 Current State: 33:[28, 5], Operations: ['60-32=28', '58-53=5'] Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[60, 32, 58, 53], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [32, 53, 2] Generated Node #0,0: 33:[32, 53, 2] Operation: 60-58=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[32, 53, 2], Operations: ['60-58=2'] Exploring Operation: 53-32=21, Resulting Numbers: [2, 21] Generated Node #0,0,0: 33:[2, 21] Operation: 53-32=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[2, 21], Operations: ['60-58=2', '53-32=21'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,33 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_1
mult_heuristic
[ 95, 70, 62, 16 ]
33
[ "70-62=8", "16*8=128", "128-95=33" ]
Current State: 33:[95, 70, 62, 16], Operations: [] Exploring Operation: 70-62=8, Resulting Numbers: [95, 16, 8] Generated Node #2: [95, 16, 8] from Operation: 70-62=8 Current State: 33:[95, 16, 8], Operations: ['70-62=8'] Exploring Operation: 16*8=128, Resulting Numbers: [95, 128] Generated Node #3: [95, 128] from Operation: 16*8=128 Current State: 33:[95, 128], Operations: ['70-62=8', '16*8=128'] Exploring Operation: 128-95=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[95, 70, 62, 16], Operations: [] Exploring Operation: 95-16=79, Resulting Numbers: [70, 62, 79] Generated Node #0,0: 33:[70, 62, 79] Operation: 95-16=79 Exploring Operation: 95-70=25, Resulting Numbers: [62, 16, 25] Generated Node #0,1: 33:[62, 16, 25] Operation: 95-70=25 Exploring Operation: 70-16=54, Resulting Numbers: [95, 62, 54] Generated Node #0,2: 33:[95, 62, 54] Operation: 70-16=54 Exploring Operation: 70-62=8, Resulting Numbers: [95, 16, 8] Generated Node #0,3: 33:[95, 16, 8] Operation: 70-62=8 Exploring Operation: 95-62=33, Resulting Numbers: [70, 16, 33] Generated Node #0,4: 33:[70, 16, 33] Operation: 95-62=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[62, 16, 25], Operations: ['95-70=25'] Exploring Operation: 62-25=37, Resulting Numbers: [16, 37] Generated Node #0,1,0: 33:[16, 37] Operation: 62-25=37 Exploring Operation: 62+16=78, Resulting Numbers: [25, 78] Generated Node #0,1,1: 33:[25, 78] Operation: 62+16=78 Exploring Operation: 16+25=41, Resulting Numbers: [62, 41] Generated Node #0,1,2: 33:[62, 41] Operation: 16+25=41 Exploring Operation: 25-16=9, Resulting Numbers: [62, 9] Generated Node #0,1,3: 33:[62, 9] Operation: 25-16=9 Exploring Operation: 62-16=46, Resulting Numbers: [25, 46] Generated Node #0,1,4: 33:[25, 46] Operation: 62-16=46 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 33:[16, 37], Operations: ['95-70=25', '62-25=37'] Exploring Operation: 16+37=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 16*37=592, Resulting Numbers: [592] 592,33 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,33 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:[25, 46], Operations: ['95-70=25', '62-16=46'] Exploring Operation: 25*46=1150, Resulting Numbers: [1150] 1150,33 unequal: No Solution Exploring Operation: 25+46=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,33 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 #0,1,3 Current State: 33:[62, 9], Operations: ['95-70=25', '25-16=9'] Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,33 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:[62, 41], Operations: ['95-70=25', '16+25=41'] Exploring Operation: 62+41=103, Resulting Numbers: [103] 103,33 unequal: No Solution Exploring Operation: 62-41=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 62*41=2542, Resulting Numbers: [2542] 2542,33 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:[25, 78], Operations: ['95-70=25', '62+16=78'] Exploring Operation: 25+78=103, Resulting Numbers: [103] 103,33 unequal: No Solution Exploring Operation: 25*78=1950, Resulting Numbers: [1950] 1950,33 unequal: No Solution Exploring Operation: 78-25=53, Resulting Numbers: [53] 53,33 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 #0,4 Current State: 33:[70, 16, 33], Operations: ['95-62=33'] Exploring Operation: 16+33=49, Resulting Numbers: [70, 49] Generated Node #0,4,0: 33:[70, 49] Operation: 16+33=49 Exploring Operation: 33-16=17, Resulting Numbers: [70, 17] Generated Node #0,4,1: 33:[70, 17] Operation: 33-16=17 Exploring Operation: 70+16=86, Resulting Numbers: [33, 86] Generated Node #0,4,2: 33:[33, 86] Operation: 70+16=86 Exploring Operation: 70-33=37, Resulting Numbers: [16, 37] Generated Node #0,4,3: 33:[16, 37] Operation: 70-33=37 Exploring Operation: 70-16=54, Resulting Numbers: [33, 54] Generated Node #0,4,4: 33:[33, 54] Operation: 70-16=54 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 33:[16, 37], Operations: ['95-62=33', '70-33=37'] Exploring Operation: 16+37=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 16*37=592, Resulting Numbers: [592] 592,33 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 #0,4,4 Current State: 33:[33, 54], Operations: ['95-62=33', '70-16=54'] Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 33+54=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 33*54=1782, Resulting Numbers: [1782] 1782,33 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 #0,4,1 Current State: 33:[70, 17], Operations: ['95-62=33', '33-16=17'] Exploring Operation: 70+17=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 70*17=1190, Resulting Numbers: [1190] 1190,33 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 #0,4,0 Current State: 33:[70, 49], Operations: ['95-62=33', '16+33=49'] Exploring Operation: 70+49=119, Resulting Numbers: [119] 119,33 unequal: No Solution Exploring Operation: 70*49=3430, Resulting Numbers: [3430] 3430,33 unequal: No Solution Exploring Operation: 70-49=21, Resulting Numbers: [21] 21,33 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 #0,4,2 Current State: 33:[33, 86], Operations: ['95-62=33', '70+16=86'] Exploring Operation: 33*86=2838, Resulting Numbers: [2838] 2838,33 unequal: No Solution Exploring Operation: 33+86=119, Resulting Numbers: [119] 119,33 unequal: No Solution Exploring Operation: 86-33=53, Resulting Numbers: [53] 53,33 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 #0,3 Current State: 33:[95, 16, 8], Operations: ['70-62=8'] Exploring Operation: 95-8=87, Resulting Numbers: [16, 87] Generated Node #0,3,0: 33:[16, 87] Operation: 95-8=87 Exploring Operation: 95-16=79, Resulting Numbers: [8, 79] Generated Node #0,3,1: 33:[8, 79] Operation: 95-16=79 Exploring Operation: 16-8=8, Resulting Numbers: [95, 8] Generated Node #0,3,2: 33:[95, 8] Operation: 16-8=8 Exploring Operation: 16+8=24, Resulting Numbers: [95, 24] Generated Node #0,3,3: 33:[95, 24] Operation: 16+8=24 Exploring Operation: 16/8=2, Resulting Numbers: [95, 2] Generated Node #0,3,4: 33:[95, 2] Operation: 16/8=2 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 33:[8, 79], Operations: ['70-62=8', '95-16=79'] Exploring Operation: 8+79=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 8*79=632, Resulting Numbers: [632] 632,33 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 #0,3,0 Current State: 33:[16, 87], Operations: ['70-62=8', '95-8=87'] Exploring Operation: 87-16=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 16+87=103, Resulting Numbers: [103] 103,33 unequal: No Solution Exploring Operation: 16*87=1392, Resulting Numbers: [1392] 1392,33 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:[95, 2], Operations: ['70-62=8', '16/8=2'] Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,33 unequal: No Solution Exploring Operation: 95*2=190, Resulting Numbers: [190] 190,33 unequal: No Solution Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,33 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:[95, 8], Operations: ['70-62=8', '16-8=8'] Exploring Operation: 95+8=103, Resulting Numbers: [103] 103,33 unequal: No Solution Exploring Operation: 95*8=760, Resulting Numbers: [760] 760,33 unequal: No Solution Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,33 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:[95, 24], Operations: ['70-62=8', '16+8=24'] Exploring Operation: 95+24=119, Resulting Numbers: [119] 119,33 unequal: No Solution Exploring Operation: 95-24=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 95*24=2280, Resulting Numbers: [2280] 2280,33 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 #0,0 Current State: 33:[70, 62, 79], Operations: ['95-16=79'] Exploring Operation: 79-62=17, Resulting Numbers: [70, 17] Generated Node #0,0,0: 33:[70, 17] Operation: 79-62=17 Exploring Operation: 79-70=9, Resulting Numbers: [62, 9] Generated Node #0,0,1: 33:[62, 9] Operation: 79-70=9 Exploring Operation: 70+79=149, Resulting Numbers: [62, 149] Generated Node #0,0,2: 33:[62, 149] Operation: 70+79=149 Exploring Operation: 70+62=132, Resulting Numbers: [79, 132] Generated Node #0,0,3: 33:[79, 132] Operation: 70+62=132 Exploring Operation: 70-62=8, Resulting Numbers: [79, 8] Generated Node #0,0,4: 33:[79, 8] Operation: 70-62=8 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[62, 9], Operations: ['95-16=79', '79-70=9'] Exploring Operation: 62*9=558, Resulting Numbers: [558] 558,33 unequal: No Solution Exploring Operation: 62+9=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 62-9=53, Resulting Numbers: [53] 53,33 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 #0,0,0 Current State: 33:[70, 17], Operations: ['95-16=79', '79-62=17'] Exploring Operation: 70*17=1190, Resulting Numbers: [1190] 1190,33 unequal: No Solution Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 70+17=87, Resulting Numbers: [87] 87,33 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 #0,0,4 Current State: 33:[79, 8], Operations: ['95-16=79', '70-62=8'] Exploring Operation: 79*8=632, Resulting Numbers: [632] 632,33 unequal: No Solution Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,33 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 #0,0,2 Current State: 33:[62, 149], Operations: ['95-16=79', '70+79=149'] Exploring Operation: 149-62=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 62*149=9238, Resulting Numbers: [9238] 9238,33 unequal: No Solution Exploring Operation: 62+149=211, Resulting Numbers: [211] 211,33 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 #0,0,3 Current State: 33:[79, 132], Operations: ['95-16=79', '70+62=132'] Exploring Operation: 79+132=211, Resulting Numbers: [211] 211,33 unequal: No Solution Exploring Operation: 132-79=53, Resulting Numbers: [53] 53,33 unequal: No Solution Exploring Operation: 79*132=10428, Resulting Numbers: [10428] 10428,33 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:[95, 62, 54], Operations: ['70-16=54'] Exploring Operation: 95+62=157, Resulting Numbers: [54, 157] Generated Node #0,2,0: 33:[54, 157] Operation: 95+62=157 Exploring Operation: 95-54=41, Resulting Numbers: [62, 41] Generated Node #0,2,1: 33:[62, 41] Operation: 95-54=41 Exploring Operation: 62-54=8, Resulting Numbers: [95, 8] Generated Node #0,2,2: 33:[95, 8] Operation: 62-54=8 Exploring Operation: 95-62=33, Resulting Numbers: [54, 33] Generated Node #0,2,3: 33:[54, 33] Operation: 95-62=33 Exploring Operation: 95+54=149, Resulting Numbers: [62, 149] Generated Node #0,2,4: 33:[62, 149] Operation: 95+54=149 Moving to Node #0,2,3 Current State: 33:[54, 33], Operations: ['70-16=54', '95-62=33'] Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 54*33=1782, Resulting Numbers: [1782] 1782,33 unequal: No Solution Exploring Operation: 54+33=87, Resulting Numbers: [87] 87,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[62, 41], Operations: ['70-16=54', '95-54=41'] Exploring Operation: 62+41=103, Resulting Numbers: [103] 103,33 unequal: No Solution Exploring Operation: 62-41=21, Resulting Numbers: [21] 21,33 unequal: No Solution Exploring Operation: 62*41=2542, Resulting Numbers: [2542] 2542,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[95, 8], Operations: ['70-16=54', '62-54=8'] Exploring Operation: 95-8=87, Resulting Numbers: [87] 87,33 unequal: No Solution Exploring Operation: 95*8=760, Resulting Numbers: [760] 760,33 unequal: No Solution Exploring Operation: 95+8=103, Resulting Numbers: [103] 103,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[54, 157], Operations: ['70-16=54', '95+62=157'] Exploring Operation: 54+157=211, Resulting Numbers: [211] 211,33 unequal: No Solution Exploring Operation: 157-54=103, Resulting Numbers: [103] 103,33 unequal: No Solution Exploring Operation: 54*157=8478, Resulting Numbers: [8478] 8478,33 unequal: No Solution Moving to Node #0,2,4 Current State: 33:[62, 149], Operations: ['70-16=54', '95+54=149'] Exploring Operation: 62*149=9238, Resulting Numbers: [9238] 9238,33 unequal: No Solution Exploring Operation: 62+149=211, Resulting Numbers: [211] 211,33 unequal: No Solution Exploring Operation: 149-62=87, Resulting Numbers: [87] 87,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 5, 18, 28, 6 ]
79
[ "18*28=504", "504/6=84", "84-5=79" ]
Current State: 79:[5, 18, 28, 6], Operations: [] Exploring Operation: 18*28=504, Resulting Numbers: [5, 6, 504] Generated Node #2: [5, 6, 504] from Operation: 18*28=504 Current State: 79:[5, 6, 504], Operations: ['18*28=504'] Exploring Operation: 504/6=84, Resulting Numbers: [5, 84] Generated Node #3: [5, 84] from Operation: 504/6=84 Current State: 79:[5, 84], Operations: ['18*28=504', '504/6=84'] Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[5, 18, 28, 6], Operations: [] Exploring Operation: 18*6=108, Resulting Numbers: [5, 28, 108] Generated Node #0,0: 79:[5, 28, 108] Operation: 18*6=108 Exploring Operation: 5*6=30, Resulting Numbers: [18, 28, 30] Generated Node #0,1: 79:[18, 28, 30] Operation: 5*6=30 Exploring Operation: 5*18=90, Resulting Numbers: [28, 6, 90] Generated Node #0,2: 79:[28, 6, 90] Operation: 5*18=90 Exploring Operation: 5+28=33, Resulting Numbers: [18, 6, 33] Generated Node #0,3: 79:[18, 6, 33] Operation: 5+28=33 Exploring Operation: 5+18=23, Resulting Numbers: [28, 6, 23] Generated Node #0,4: 79:[28, 6, 23] Operation: 5+18=23 Moving to Node #0,2 Current State: 79:[28, 6, 90], Operations: ['5*18=90'] Exploring Operation: 90-6=84, Resulting Numbers: [28, 84] Generated Node #0,2,0: 79:[28, 84] Operation: 90-6=84 Exploring Operation: 28-6=22, Resulting Numbers: [90, 22] Generated Node #0,2,1: 79:[90, 22] Operation: 28-6=22 Exploring Operation: 6+90=96, Resulting Numbers: [28, 96] Generated Node #0,2,2: 79:[28, 96] Operation: 6+90=96 Exploring Operation: 90-28=62, Resulting Numbers: [6, 62] Generated Node #0,2,3: 79:[6, 62] Operation: 90-28=62 Exploring Operation: 28+6=34, Resulting Numbers: [90, 34] Generated Node #0,2,4: 79:[90, 34] Operation: 28+6=34 Moving to Node #0,0 Current State: 79:[5, 28, 108], Operations: ['18*6=108'] Exploring Operation: 5+108=113, Resulting Numbers: [28, 113] Generated Node #0,0,0: 79:[28, 113] Operation: 5+108=113 Exploring Operation: 108-5=103, Resulting Numbers: [28, 103] Generated Node #0,0,1: 79:[28, 103] Operation: 108-5=103 Exploring Operation: 5+28=33, Resulting Numbers: [108, 33] Generated Node #0,0,2: 79:[108, 33] Operation: 5+28=33 Exploring Operation: 28-5=23, Resulting Numbers: [108, 23] Generated Node #0,0,3: 79:[108, 23] Operation: 28-5=23 Exploring Operation: 108-28=80, Resulting Numbers: [5, 80] Generated Node #0,0,4: 79:[5, 80] Operation: 108-28=80 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[28, 103], Operations: ['18*6=108', '108-5=103'] Exploring Operation: 28+103=131, Resulting Numbers: [131] 131,79 unequal: No Solution Exploring Operation: 28*103=2884, Resulting Numbers: [2884] 2884,79 unequal: No Solution Exploring Operation: 103-28=75, Resulting Numbers: [75] 75,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[108, 33], Operations: ['18*6=108', '5+28=33'] Exploring Operation: 108-33=75, Resulting Numbers: [75] 75,79 unequal: No Solution Exploring Operation: 108+33=141, Resulting Numbers: [141] 141,79 unequal: No Solution Exploring Operation: 108*33=3564, Resulting Numbers: [3564] 3564,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 79:[5, 80], Operations: ['18*6=108', '108-28=80'] Exploring Operation: 5+80=85, Resulting Numbers: [85] 85,79 unequal: No Solution Exploring Operation: 80-5=75, Resulting Numbers: [75] 75,79 unequal: No Solution Exploring Operation: 5*80=400, Resulting Numbers: [400] 400,79 unequal: No Solution Exploring Operation: 80/5=16, Resulting Numbers: [16] 16,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[28, 113], Operations: ['18*6=108', '5+108=113'] Exploring Operation: 28+113=141, Resulting Numbers: [141] 141,79 unequal: No Solution Exploring Operation: 113-28=85, Resulting Numbers: [85] 85,79 unequal: No Solution Exploring Operation: 28*113=3164, Resulting Numbers: [3164] 3164,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 79:[108, 23], Operations: ['18*6=108', '28-5=23'] Exploring Operation: 108-23=85, Resulting Numbers: [85] 85,79 unequal: No Solution Exploring Operation: 108*23=2484, Resulting Numbers: [2484] 2484,79 unequal: No Solution Exploring Operation: 108+23=131, Resulting Numbers: [131] 131,79 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: 79:[18, 28, 30], Operations: ['5*6=30'] Exploring Operation: 18+28=46, Resulting Numbers: [30, 46] Generated Node #0,1,0: 79:[30, 46] Operation: 18+28=46 Exploring Operation: 28-18=10, Resulting Numbers: [30, 10] Generated Node #0,1,1: 79:[30, 10] Operation: 28-18=10 Exploring Operation: 18+30=48, Resulting Numbers: [28, 48] Generated Node #0,1,2: 79:[28, 48] Operation: 18+30=48 Exploring Operation: 28+30=58, Resulting Numbers: [18, 58] Generated Node #0,1,3: 79:[18, 58] Operation: 28+30=58 Exploring Operation: 30-18=12, Resulting Numbers: [28, 12] Generated Node #0,1,4: 79:[28, 12] Operation: 30-18=12 Moving to Node #0,3 Current State: 79:[18, 6, 33], Operations: ['5+28=33'] Exploring Operation: 18+33=51, Resulting Numbers: [6, 51] Generated Node #0,3,0: 79:[6, 51] Operation: 18+33=51 Exploring Operation: 18+6=24, Resulting Numbers: [33, 24] Generated Node #0,3,1: 79:[33, 24] Operation: 18+6=24 Exploring Operation: 6+33=39, Resulting Numbers: [18, 39] Generated Node #0,3,2: 79:[18, 39] Operation: 6+33=39 Exploring Operation: 18*6=108, Resulting Numbers: [33, 108] Generated Node #0,3,3: 79:[33, 108] Operation: 18*6=108 Exploring Operation: 18-6=12, Resulting Numbers: [33, 12] Generated Node #0,3,4: 79:[33, 12] Operation: 18-6=12 Moving to Node #0,4 Current State: 79:[28, 6, 23], Operations: ['5+18=23'] Exploring Operation: 28+6=34, Resulting Numbers: [23, 34] Generated Node #0,4,0: 79:[23, 34] Operation: 28+6=34 Exploring Operation: 6+23=29, Resulting Numbers: [28, 29] Generated Node #0,4,1: 79:[28, 29] Operation: 6+23=29 Exploring Operation: 28-6=22, Resulting Numbers: [23, 22] Generated Node #0,4,2: 79:[23, 22] Operation: 28-6=22 Exploring Operation: 28+23=51, Resulting Numbers: [6, 51] Generated Node #0,4,3: 79:[6, 51] Operation: 28+23=51 Exploring Operation: 6*23=138, Resulting Numbers: [28, 138] Generated Node #0,4,4: 79:[28, 138] Operation: 6*23=138 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 79:[23, 34], Operations: ['5+18=23', '28+6=34'] Exploring Operation: 23*34=782, Resulting Numbers: [782] 782,79 unequal: No Solution Exploring Operation: 23+34=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 79:[28, 29], Operations: ['5+18=23', '6+23=29'] Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,79 unequal: No Solution Exploring Operation: 28*29=812, Resulting Numbers: [812] 812,79 unequal: No Solution Exploring Operation: 28+29=57, Resulting Numbers: [57] 57,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 79:[6, 51], Operations: ['5+18=23', '28+23=51'] Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,79 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 79:[28, 138], Operations: ['5+18=23', '6*23=138'] Exploring Operation: 28*138=3864, Resulting Numbers: [3864] 3864,79 unequal: No Solution Exploring Operation: 138-28=110, Resulting Numbers: [110] 110,79 unequal: No Solution Exploring Operation: 28+138=166, Resulting Numbers: [166] 166,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 79:[23, 22], Operations: ['5+18=23', '28-6=22'] Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,79 unequal: No Solution Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 79:[28, 84], Operations: ['5*18=90', '90-6=84'] Exploring Operation: 28*84=2352, Resulting Numbers: [2352] 2352,79 unequal: No Solution Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,79 unequal: No Solution Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 28+84=112, Resulting Numbers: [112] 112,79 unequal: No Solution Moving to Node #0,2,4 Current State: 79:[90, 34], Operations: ['5*18=90', '28+6=34'] Exploring Operation: 90-34=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 90+34=124, Resulting Numbers: [124] 124,79 unequal: No Solution Exploring Operation: 90*34=3060, Resulting Numbers: [3060] 3060,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[90, 22], Operations: ['5*18=90', '28-6=22'] Exploring Operation: 90-22=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 90+22=112, Resulting Numbers: [112] 112,79 unequal: No Solution Exploring Operation: 90*22=1980, Resulting Numbers: [1980] 1980,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[28, 96], Operations: ['5*18=90', '6+90=96'] Exploring Operation: 28*96=2688, Resulting Numbers: [2688] 2688,79 unequal: No Solution Exploring Operation: 96-28=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 28+96=124, Resulting Numbers: [124] 124,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[33, 108], Operations: ['5+28=33', '18*6=108'] Exploring Operation: 108-33=75, Resulting Numbers: [75] 75,79 unequal: No Solution Exploring Operation: 33*108=3564, Resulting Numbers: [3564] 3564,79 unequal: No Solution Exploring Operation: 33+108=141, Resulting Numbers: [141] 141,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[28, 48], Operations: ['5*6=30', '18+30=48'] Exploring Operation: 28*48=1344, Resulting Numbers: [1344] 1344,79 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 28+48=76, Resulting Numbers: [76] 76,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[30, 46], Operations: ['5*6=30', '18+28=46'] Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,79 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 30*46=1380, Resulting Numbers: [1380] 1380,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[18, 58], Operations: ['5*6=30', '28+30=58'] Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,79 unequal: No Solution Exploring Operation: 18*58=1044, Resulting Numbers: [1044] 1044,79 unequal: No Solution Exploring Operation: 18+58=76, Resulting Numbers: [76] 76,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[6, 62], Operations: ['5*18=90', '90-28=62'] Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 6+62=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 6*62=372, Resulting Numbers: [372] 372,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[18, 39], Operations: ['5+28=33', '6+33=39'] Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,79 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[33, 24], Operations: ['5+28=33', '18+6=24'] Exploring Operation: 33*24=792, Resulting Numbers: [792] 792,79 unequal: No Solution Exploring Operation: 33+24=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[6, 51], Operations: ['5+28=33', '18+33=51'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,79 unequal: No Solution Exploring Operation: 6*51=306, Resulting Numbers: [306] 306,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[33, 12], Operations: ['5+28=33', '18-6=12'] Exploring Operation: 33*12=396, Resulting Numbers: [396] 396,79 unequal: No Solution Exploring Operation: 33+12=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[30, 10], Operations: ['5*6=30', '28-18=10'] Exploring Operation: 30-10=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 30*10=300, Resulting Numbers: [300] 300,79 unequal: No Solution Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,79 unequal: No Solution Exploring Operation: 30+10=40, Resulting Numbers: [40] 40,79 unequal: No Solution Moving to Node #0,1,4 Current State: 79:[28, 12], Operations: ['5*6=30', '30-18=12'] Exploring Operation: 28*12=336, Resulting Numbers: [336] 336,79 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 28+12=40, Resulting Numbers: [40] 40,79 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 96, 99, 79, 4 ]
67
[ "99-96=3", "4*3=12", "79-12=67" ]
Current State: 67:[96, 99, 79, 4], Operations: [] Exploring Operation: 99-96=3, Resulting Numbers: [79, 4, 3] Generated Node #2: [79, 4, 3] from Operation: 99-96=3 Current State: 67:[79, 4, 3], Operations: ['99-96=3'] Exploring Operation: 4*3=12, Resulting Numbers: [79, 12] Generated Node #3: [79, 12] from Operation: 4*3=12 Current State: 67:[79, 12], Operations: ['99-96=3', '4*3=12'] Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[96, 99, 79, 4], Operations: [] Exploring Operation: 96-4=92, Resulting Numbers: [99, 79, 92] Generated Node #0,0: 67:[99, 79, 92] Operation: 96-4=92 Exploring Operation: 99-4=95, Resulting Numbers: [96, 79, 95] Generated Node #0,1: 67:[96, 79, 95] Operation: 99-4=95 Exploring Operation: 79-4=75, Resulting Numbers: [96, 99, 75] Generated Node #0,2: 67:[96, 99, 75] Operation: 79-4=75 Moving to Node #0,0 Current State: 67:[99, 79, 92], Operations: ['96-4=92'] Exploring Operation: 92-79=13, Resulting Numbers: [99, 13] Generated Node #0,0,0: 67:[99, 13] Operation: 92-79=13 Exploring Operation: 99-79=20, Resulting Numbers: [92, 20] Generated Node #0,0,1: 67:[92, 20] Operation: 99-79=20 Exploring Operation: 99-92=7, Resulting Numbers: [79, 7] Generated Node #0,0,2: 67:[79, 7] Operation: 99-92=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[92, 20], Operations: ['96-4=92', '99-79=20'] Exploring Operation: 92+20=112, Resulting Numbers: [112] 112,67 unequal: No Solution Exploring Operation: 92-20=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 92*20=1840, Resulting Numbers: [1840] 1840,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[79, 7], Operations: ['96-4=92', '99-92=7'] Exploring Operation: 79*7=553, Resulting Numbers: [553] 553,67 unequal: No Solution Exploring Operation: 79+7=86, Resulting Numbers: [86] 86,67 unequal: No Solution Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[99, 13], Operations: ['96-4=92', '92-79=13'] Exploring Operation: 99-13=86, Resulting Numbers: [86] 86,67 unequal: No Solution Exploring Operation: 99+13=112, Resulting Numbers: [112] 112,67 unequal: No Solution Exploring Operation: 99*13=1287, Resulting Numbers: [1287] 1287,67 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: 67:[96, 79, 95], Operations: ['99-4=95'] Exploring Operation: 96-95=1, Resulting Numbers: [79, 1] Generated Node #0,1,0: 67:[79, 1] Operation: 96-95=1 Exploring Operation: 96-79=17, Resulting Numbers: [95, 17] Generated Node #0,1,1: 67:[95, 17] Operation: 96-79=17 Exploring Operation: 95-79=16, Resulting Numbers: [96, 16] Generated Node #0,1,2: 67:[96, 16] Operation: 95-79=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[79, 1], Operations: ['99-4=95', '96-95=1'] Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,67 unequal: No Solution Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,67 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[95, 17], Operations: ['99-4=95', '96-79=17'] Exploring Operation: 95+17=112, Resulting Numbers: [112] 112,67 unequal: No Solution Exploring Operation: 95-17=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 95*17=1615, Resulting Numbers: [1615] 1615,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 67:[96, 16], Operations: ['99-4=95', '95-79=16'] Exploring Operation: 96/16=6, Resulting Numbers: [6] 6,67 unequal: No Solution Exploring Operation: 96+16=112, Resulting Numbers: [112] 112,67 unequal: No Solution Exploring Operation: 96-16=80, Resulting Numbers: [80] 80,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 67:[96, 99, 75], Operations: ['79-4=75'] Exploring Operation: 99-96=3, Resulting Numbers: [75, 3] Generated Node #0,2,0: 67:[75, 3] Operation: 99-96=3 Exploring Operation: 99-75=24, Resulting Numbers: [96, 24] Generated Node #0,2,1: 67:[96, 24] Operation: 99-75=24 Exploring Operation: 96-75=21, Resulting Numbers: [99, 21] Generated Node #0,2,2: 67:[99, 21] Operation: 96-75=21 Moving to Node #0,2,0 Current State: 67:[75, 3], Operations: ['79-4=75', '99-96=3'] Exploring Operation: 75-3=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[96, 24], Operations: ['79-4=75', '99-75=24'] Exploring Operation: 96-24=72, Resulting Numbers: [72] 72,67 unequal: No Solution Exploring Operation: 96+24=120, Resulting Numbers: [120] 120,67 unequal: No Solution Exploring Operation: 96/24=4, Resulting Numbers: [4] 4,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[99, 21], Operations: ['79-4=75', '96-75=21'] Exploring Operation: 99+21=120, Resulting Numbers: [120] 120,67 unequal: No Solution Exploring Operation: 99*21=2079, Resulting Numbers: [2079] 2079,67 unequal: No Solution Exploring Operation: 99-21=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 9, 26, 75, 16 ]
24
[ "9+26=35", "75-16=59", "59-35=24" ]
Current State: 24:[9, 26, 75, 16], Operations: [] Exploring Operation: 9+26=35, Resulting Numbers: [75, 16, 35] Generated Node #2: [75, 16, 35] from Operation: 9+26=35 Current State: 24:[75, 16, 35], Operations: ['9+26=35'] Exploring Operation: 75-16=59, Resulting Numbers: [35, 59] Generated Node #3: [35, 59] from Operation: 75-16=59 Current State: 24:[35, 59], Operations: ['9+26=35', '75-16=59'] Exploring Operation: 59-35=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[9, 26, 75, 16], Operations: [] Exploring Operation: 16-9=7, Resulting Numbers: [26, 75, 7] Generated Node #0,0: 24:[26, 75, 7] Operation: 16-9=7 Exploring Operation: 75-9=66, Resulting Numbers: [26, 16, 66] Generated Node #0,1: 24:[26, 16, 66] Operation: 75-9=66 Exploring Operation: 9+16=25, Resulting Numbers: [26, 75, 25] Generated Node #0,2: 24:[26, 75, 25] Operation: 9+16=25 Exploring Operation: 75-16=59, Resulting Numbers: [9, 26, 59] Generated Node #0,3: 24:[9, 26, 59] Operation: 75-16=59 Exploring Operation: 75-26=49, Resulting Numbers: [9, 16, 49] Generated Node #0,4: 24:[9, 16, 49] Operation: 75-26=49 Moving to Node #0,4 Current State: 24:[9, 16, 49], Operations: ['75-26=49'] Exploring Operation: 49-16=33, Resulting Numbers: [9, 33] Generated Node #0,4,0: 24:[9, 33] Operation: 49-16=33 Exploring Operation: 9+49=58, Resulting Numbers: [16, 58] Generated Node #0,4,1: 24:[16, 58] Operation: 9+49=58 Exploring Operation: 49-9=40, Resulting Numbers: [16, 40] Generated Node #0,4,2: 24:[16, 40] Operation: 49-9=40 Exploring Operation: 9+16=25, Resulting Numbers: [49, 25] Generated Node #0,4,3: 24:[49, 25] Operation: 9+16=25 Exploring Operation: 16-9=7, Resulting Numbers: [49, 7] Generated Node #0,4,4: 24:[49, 7] Operation: 16-9=7 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 24:[9, 33], Operations: ['75-26=49', '49-16=33'] Exploring Operation: 9*33=297, Resulting Numbers: [297] 297,24 unequal: No Solution Exploring Operation: 9+33=42, Resulting Numbers: [42] 42,24 unequal: No Solution Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[9, 26, 75, 16], Operations: [] Exploring Operation: 75-26=49, Resulting Numbers: [9, 16, 49] Generated Node #0,4: 24:[9, 16, 49] Operation: 75-26=49 Moving to Node #0,4 Current State: 24:[9, 16, 49], Operations: ['75-26=49'] Exploring Operation: 49-16=33, Resulting Numbers: [9, 33] Generated Node #0,4,0: 24:[9, 33] Operation: 49-16=33 Moving to Node #0,4,0 Current State: 24:[9, 33], Operations: ['75-26=49', '49-16=33'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 74, 2, 70, 23 ]
10
[ "74/2=37", "70-23=47", "47-37=10" ]
Current State: 10:[74, 2, 70, 23], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [70, 23, 37] Generated Node #2: [70, 23, 37] from Operation: 74/2=37 Current State: 10:[70, 23, 37], Operations: ['74/2=37'] Exploring Operation: 70-23=47, Resulting Numbers: [37, 47] Generated Node #3: [37, 47] from Operation: 70-23=47 Current State: 10:[37, 47], Operations: ['74/2=37', '70-23=47'] Exploring Operation: 47-37=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[74, 2, 70, 23], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [70, 23, 37] Generated Node #0,0: 10:[70, 23, 37] Operation: 74/2=37 Exploring Operation: 74-23=51, Resulting Numbers: [2, 70, 51] Generated Node #0,1: 10:[2, 70, 51] Operation: 74-23=51 Exploring Operation: 74-70=4, Resulting Numbers: [2, 23, 4] Generated Node #0,2: 10:[2, 23, 4] Operation: 74-70=4 Moving to Node #0,2 Current State: 10:[2, 23, 4], Operations: ['74-70=4'] Exploring Operation: 23-2=21, Resulting Numbers: [4, 21] Generated Node #0,2,0: 10:[4, 21] Operation: 23-2=21 Exploring Operation: 23-4=19, Resulting Numbers: [2, 19] Generated Node #0,2,1: 10:[2, 19] Operation: 23-4=19 Exploring Operation: 4-2=2, Resulting Numbers: [23, 2] Generated Node #0,2,2: 10:[23, 2] Operation: 4-2=2 Moving to Node #0,0 Current State: 10:[70, 23, 37], Operations: ['74/2=37'] Exploring Operation: 70-23=47, Resulting Numbers: [37, 47] Generated Node #0,0,0: 10:[37, 47] Operation: 70-23=47 Exploring Operation: 37-23=14, Resulting Numbers: [70, 14] Generated Node #0,0,1: 10:[70, 14] Operation: 37-23=14 Exploring Operation: 70-37=33, Resulting Numbers: [23, 33] Generated Node #0,0,2: 10:[23, 33] Operation: 70-37=33 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 10:[23, 33], Operations: ['74/2=37', '70-37=33'] Exploring Operation: 23+33=56, Resulting Numbers: [56] 56,10 unequal: No Solution Exploring Operation: 23*33=759, Resulting Numbers: [759] 759,10 unequal: No Solution Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[74, 2, 70, 23], Operations: [] Exploring Operation: 74/2=37, Resulting Numbers: [70, 23, 37] Generated Node #0,0: 10:[70, 23, 37] Operation: 74/2=37 Moving to Node #0,0 Current State: 10:[70, 23, 37], Operations: ['74/2=37'] Exploring Operation: 70-37=33, Resulting Numbers: [23, 33] Generated Node #0,0,2: 10:[23, 33] Operation: 70-37=33 Moving to Node #0,0,2 Current State: 10:[23, 33], Operations: ['74/2=37', '70-37=33'] Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 53, 89, 26, 71 ]
45
[ "53+89=142", "26+71=97", "142-97=45" ]
Current State: 45:[53, 89, 26, 71], Operations: [] Exploring Operation: 53+89=142, Resulting Numbers: [26, 71, 142] Generated Node #2: [26, 71, 142] from Operation: 53+89=142 Current State: 45:[26, 71, 142], Operations: ['53+89=142'] Exploring Operation: 26+71=97, Resulting Numbers: [142, 97] Generated Node #3: [142, 97] from Operation: 26+71=97 Current State: 45:[142, 97], Operations: ['53+89=142', '26+71=97'] Exploring Operation: 142-97=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[53, 89, 26, 71], Operations: [] Exploring Operation: 89-71=18, Resulting Numbers: [53, 26, 18] Generated Node #0,0: 45:[53, 26, 18] Operation: 89-71=18 Exploring Operation: 89-53=36, Resulting Numbers: [26, 71, 36] Generated Node #0,1: 45:[26, 71, 36] Operation: 89-53=36 Moving to Node #0,0 Current State: 45:[53, 26, 18], Operations: ['89-71=18'] Exploring Operation: 26+18=44, Resulting Numbers: [53, 44] Generated Node #0,0,0: 45:[53, 44] Operation: 26+18=44 Exploring Operation: 26-18=8, Resulting Numbers: [53, 8] Generated Node #0,0,1: 45:[53, 8] Operation: 26-18=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[53, 44], Operations: ['89-71=18', '26+18=44'] Exploring Operation: 53+44=97, Resulting Numbers: [97] 97,45 unequal: No Solution Exploring Operation: 53-44=9, Resulting Numbers: [9] 9,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[53, 8], Operations: ['89-71=18', '26-18=8'] Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[53, 89, 26, 71], Operations: [] Exploring Operation: 89-71=18, Resulting Numbers: [53, 26, 18] Generated Node #0,0: 45:[53, 26, 18] Operation: 89-71=18 Moving to Node #0,0 Current State: 45:[53, 26, 18], Operations: ['89-71=18'] Exploring Operation: 26-18=8, Resulting Numbers: [53, 8] Generated Node #0,0,1: 45:[53, 8] Operation: 26-18=8 Moving to Node #0,0,1 Current State: 45:[53, 8], Operations: ['89-71=18', '26-18=8'] Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 84, 79, 36, 75 ]
93
[ "79-75=4", "36/4=9", "84+9=93" ]
Current State: 93:[84, 79, 36, 75], Operations: [] Exploring Operation: 79-75=4, Resulting Numbers: [84, 36, 4] Generated Node #2: [84, 36, 4] from Operation: 79-75=4 Current State: 93:[84, 36, 4], Operations: ['79-75=4'] Exploring Operation: 36/4=9, Resulting Numbers: [84, 9] Generated Node #3: [84, 9] from Operation: 36/4=9 Current State: 93:[84, 9], Operations: ['79-75=4', '36/4=9'] Exploring Operation: 84+9=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[84, 79, 36, 75], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [79, 36, 9] Generated Node #0,0: 93:[79, 36, 9] Operation: 84-75=9 Exploring Operation: 84-79=5, Resulting Numbers: [36, 75, 5] Generated Node #0,1: 93:[36, 75, 5] Operation: 84-79=5 Exploring Operation: 79-75=4, Resulting Numbers: [84, 36, 4] Generated Node #0,2: 93:[84, 36, 4] Operation: 79-75=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[84, 36, 4], Operations: ['79-75=4'] Exploring Operation: 36-4=32, Resulting Numbers: [84, 32] Generated Node #0,2,0: 93:[84, 32] Operation: 36-4=32 Exploring Operation: 84/4=21, Resulting Numbers: [36, 21] Generated Node #0,2,1: 93:[36, 21] Operation: 84/4=21 Exploring Operation: 84+4=88, Resulting Numbers: [36, 88] Generated Node #0,2,2: 93:[36, 88] Operation: 84+4=88 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 93:[84, 32], Operations: ['79-75=4', '36-4=32'] Exploring Operation: 84-32=52, Resulting Numbers: [52] 52,93 unequal: No Solution Exploring Operation: 84*32=2688, Resulting Numbers: [2688] 2688,93 unequal: No Solution Exploring Operation: 84+32=116, Resulting Numbers: [116] 116,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 93:[36, 88], Operations: ['79-75=4', '84+4=88'] Exploring Operation: 36+88=124, Resulting Numbers: [124] 124,93 unequal: No Solution Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,93 unequal: No Solution Exploring Operation: 36*88=3168, Resulting Numbers: [3168] 3168,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 93:[36, 21], Operations: ['79-75=4', '84/4=21'] Exploring Operation: 36+21=57, Resulting Numbers: [57] 57,93 unequal: No Solution Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 36*21=756, Resulting Numbers: [756] 756,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[79, 36, 9], Operations: ['84-75=9'] Exploring Operation: 79-36=43, Resulting Numbers: [9, 43] Generated Node #0,0,0: 93:[9, 43] Operation: 79-36=43 Exploring Operation: 79+9=88, Resulting Numbers: [36, 88] Generated Node #0,0,1: 93:[36, 88] Operation: 79+9=88 Exploring Operation: 36/9=4, Resulting Numbers: [79, 4] Generated Node #0,0,2: 93:[79, 4] Operation: 36/9=4 Moving to Node #0,0,1 Current State: 93:[36, 88], Operations: ['84-75=9', '79+9=88'] Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,93 unequal: No Solution Exploring Operation: 36+88=124, Resulting Numbers: [124] 124,93 unequal: No Solution Exploring Operation: 36*88=3168, Resulting Numbers: [3168] 3168,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[79, 4], Operations: ['84-75=9', '36/9=4'] Exploring Operation: 79+4=83, Resulting Numbers: [83] 83,93 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,93 unequal: No Solution Exploring Operation: 79*4=316, Resulting Numbers: [316] 316,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[9, 43], Operations: ['84-75=9', '79-36=43'] Exploring Operation: 9+43=52, Resulting Numbers: [52] 52,93 unequal: No Solution Exploring Operation: 9*43=387, Resulting Numbers: [387] 387,93 unequal: No Solution Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[36, 75, 5], Operations: ['84-79=5'] Exploring Operation: 75/5=15, Resulting Numbers: [36, 15] Generated Node #0,1,0: 93:[36, 15] Operation: 75/5=15 Exploring Operation: 36-5=31, Resulting Numbers: [75, 31] Generated Node #0,1,1: 93:[75, 31] Operation: 36-5=31 Exploring Operation: 75-36=39, Resulting Numbers: [5, 39] Generated Node #0,1,2: 93:[5, 39] Operation: 75-36=39 Moving to Node #0,1,2 Current State: 93:[5, 39], Operations: ['84-79=5', '75-36=39'] Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,93 unequal: No Solution Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,93 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[36, 15], Operations: ['84-79=5', '75/5=15'] Exploring Operation: 36+15=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 36*15=540, Resulting Numbers: [540] 540,93 unequal: No Solution Exploring Operation: 36-15=21, Resulting Numbers: [21] 21,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[75, 31], Operations: ['84-79=5', '36-5=31'] Exploring Operation: 75*31=2325, Resulting Numbers: [2325] 2325,93 unequal: No Solution Exploring Operation: 75+31=106, Resulting Numbers: [106] 106,93 unequal: No Solution Exploring Operation: 75-31=44, Resulting Numbers: [44] 44,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 66, 93, 45, 15 ]
81
[ "93-66=27", "45/15=3", "27*3=81" ]
Current State: 81:[66, 93, 45, 15], Operations: [] Exploring Operation: 93-66=27, Resulting Numbers: [45, 15, 27] Generated Node #2: [45, 15, 27] from Operation: 93-66=27 Current State: 81:[45, 15, 27], Operations: ['93-66=27'] Exploring Operation: 45/15=3, Resulting Numbers: [27, 3] Generated Node #3: [27, 3] from Operation: 45/15=3 Current State: 81:[27, 3], Operations: ['93-66=27', '45/15=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[66, 93, 45, 15], Operations: [] Exploring Operation: 93-66=27, Resulting Numbers: [45, 15, 27] Generated Node #0,0: 81:[45, 15, 27] Operation: 93-66=27 Exploring Operation: 66+15=81, Resulting Numbers: [93, 45, 81] Generated Node #0,1: 81:[93, 45, 81] Operation: 66+15=81 Exploring Operation: 66-45=21, Resulting Numbers: [93, 15, 21] Generated Node #0,2: 81:[93, 15, 21] Operation: 66-45=21 Exploring Operation: 45-15=30, Resulting Numbers: [66, 93, 30] Generated Node #0,3: 81:[66, 93, 30] Operation: 45-15=30 Exploring Operation: 45/15=3, Resulting Numbers: [66, 93, 3] Generated Node #0,4: 81:[66, 93, 3] Operation: 45/15=3 Moving to Node #0,0 Current State: 81:[45, 15, 27], Operations: ['93-66=27'] Exploring Operation: 45-27=18, Resulting Numbers: [15, 18] Generated Node #0,0,0: 81:[15, 18] Operation: 45-27=18 Exploring Operation: 45+27=72, Resulting Numbers: [15, 72] Generated Node #0,0,1: 81:[15, 72] Operation: 45+27=72 Exploring Operation: 45-15=30, Resulting Numbers: [27, 30] Generated Node #0,0,2: 81:[27, 30] Operation: 45-15=30 Exploring Operation: 45/15=3, Resulting Numbers: [27, 3] Generated Node #0,0,3: 81:[27, 3] Operation: 45/15=3 Exploring Operation: 45+15=60, Resulting Numbers: [27, 60] Generated Node #0,0,4: 81:[27, 60] Operation: 45+15=60 Moving to Node #0,2 Current State: 81:[93, 15, 21], Operations: ['66-45=21'] Exploring Operation: 15+21=36, Resulting Numbers: [93, 36] Generated Node #0,2,0: 81:[93, 36] Operation: 15+21=36 Exploring Operation: 93-21=72, Resulting Numbers: [15, 72] Generated Node #0,2,1: 81:[15, 72] Operation: 93-21=72 Exploring Operation: 93+15=108, Resulting Numbers: [21, 108] Generated Node #0,2,2: 81:[21, 108] Operation: 93+15=108 Exploring Operation: 21-15=6, Resulting Numbers: [93, 6] Generated Node #0,2,3: 81:[93, 6] Operation: 21-15=6 Exploring Operation: 93-15=78, Resulting Numbers: [21, 78] Generated Node #0,2,4: 81:[21, 78] Operation: 93-15=78 Moving to Node #0,4 Current State: 81:[66, 93, 3], Operations: ['45/15=3'] Exploring Operation: 66/3=22, Resulting Numbers: [93, 22] Generated Node #0,4,0: 81:[93, 22] Operation: 66/3=22 Exploring Operation: 93-3=90, Resulting Numbers: [66, 90] Generated Node #0,4,1: 81:[66, 90] Operation: 93-3=90 Exploring Operation: 93-66=27, Resulting Numbers: [3, 27] Generated Node #0,4,2: 81:[3, 27] Operation: 93-66=27 Exploring Operation: 93/3=31, Resulting Numbers: [66, 31] Generated Node #0,4,3: 81:[66, 31] Operation: 93/3=31 Exploring Operation: 66+3=69, Resulting Numbers: [93, 69] Generated Node #0,4,4: 81:[93, 69] Operation: 66+3=69 Moving to Node #0,1 Current State: 81:[93, 45, 81], Operations: ['66+15=81'] Exploring Operation: 45+81=126, Resulting Numbers: [93, 126] Generated Node #0,1,0: 81:[93, 126] Operation: 45+81=126 Exploring Operation: 93-81=12, Resulting Numbers: [45, 12] Generated Node #0,1,1: 81:[45, 12] Operation: 93-81=12 Exploring Operation: 93-45=48, Resulting Numbers: [81, 48] Generated Node #0,1,2: 81:[81, 48] Operation: 93-45=48 Exploring Operation: 81-45=36, Resulting Numbers: [93, 36] Generated Node #0,1,3: 81:[93, 36] Operation: 81-45=36 Exploring Operation: 93+45=138, Resulting Numbers: [81, 138] Generated Node #0,1,4: 81:[81, 138] Operation: 93+45=138 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[45, 12], Operations: ['66+15=81', '93-81=12'] Exploring Operation: 45*12=540, Resulting Numbers: [540] 540,81 unequal: No Solution Exploring Operation: 45-12=33, Resulting Numbers: [33] 33,81 unequal: No Solution Exploring Operation: 45+12=57, Resulting Numbers: [57] 57,81 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:[81, 48], Operations: ['66+15=81', '93-45=48'] Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,81 unequal: No Solution Exploring Operation: 81+48=129, Resulting Numbers: [129] 129,81 unequal: No Solution Exploring Operation: 81*48=3888, Resulting Numbers: [3888] 3888,81 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 #0,1,3 Current State: 81:[93, 36], Operations: ['66+15=81', '81-45=36'] Exploring Operation: 93+36=129, Resulting Numbers: [129] 129,81 unequal: No Solution Exploring Operation: 93*36=3348, Resulting Numbers: [3348] 3348,81 unequal: No Solution Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[93, 126], Operations: ['66+15=81', '45+81=126'] Exploring Operation: 126-93=33, Resulting Numbers: [33] 33,81 unequal: No Solution Exploring Operation: 93*126=11718, Resulting Numbers: [11718] 11718,81 unequal: No Solution Exploring Operation: 93+126=219, Resulting Numbers: [219] 219,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 81:[81, 138], Operations: ['66+15=81', '93+45=138'] Exploring Operation: 81*138=11178, Resulting Numbers: [11178] 11178,81 unequal: No Solution Exploring Operation: 138-81=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 81+138=219, Resulting Numbers: [219] 219,81 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: 81:[66, 93, 30], Operations: ['45-15=30'] Exploring Operation: 93-30=63, Resulting Numbers: [66, 63] Generated Node #0,3,0: 81:[66, 63] Operation: 93-30=63 Exploring Operation: 93-66=27, Resulting Numbers: [30, 27] Generated Node #0,3,1: 81:[30, 27] Operation: 93-66=27 Exploring Operation: 93+30=123, Resulting Numbers: [66, 123] Generated Node #0,3,2: 81:[66, 123] Operation: 93+30=123 Exploring Operation: 66+30=96, Resulting Numbers: [93, 96] Generated Node #0,3,3: 81:[93, 96] Operation: 66+30=96 Exploring Operation: 66-30=36, Resulting Numbers: [93, 36] Generated Node #0,3,4: 81:[93, 36] Operation: 66-30=36 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 81:[30, 27], Operations: ['45-15=30', '93-66=27'] Exploring Operation: 30+27=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 30*27=810, Resulting Numbers: [810] 810,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 81:[93, 36], Operations: ['45-15=30', '66-30=36'] Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 93*36=3348, Resulting Numbers: [3348] 3348,81 unequal: No Solution Exploring Operation: 93+36=129, Resulting Numbers: [129] 129,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 81:[93, 96], Operations: ['45-15=30', '66+30=96'] Exploring Operation: 93*96=8928, Resulting Numbers: [8928] 8928,81 unequal: No Solution Exploring Operation: 96-93=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 93+96=189, Resulting Numbers: [189] 189,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 81:[66, 63], Operations: ['45-15=30', '93-30=63'] Exploring Operation: 66-63=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 66+63=129, Resulting Numbers: [129] 129,81 unequal: No Solution Exploring Operation: 66*63=4158, Resulting Numbers: [4158] 4158,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 81:[66, 123], Operations: ['45-15=30', '93+30=123'] Exploring Operation: 66+123=189, Resulting Numbers: [189] 189,81 unequal: No Solution Exploring Operation: 123-66=57, Resulting Numbers: [57] 57,81 unequal: No Solution Exploring Operation: 66*123=8118, Resulting Numbers: [8118] 8118,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 81:[27, 3], Operations: ['93-66=27', '45/15=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,81 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,81 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[66, 93, 45, 15], Operations: [] Exploring Operation: 93-66=27, Resulting Numbers: [45, 15, 27] Generated Node #0,0: 81:[45, 15, 27] Operation: 93-66=27 Moving to Node #0,0 Current State: 81:[45, 15, 27], Operations: ['93-66=27'] Exploring Operation: 45/15=3, Resulting Numbers: [27, 3] Generated Node #0,0,3: 81:[27, 3] Operation: 45/15=3 Moving to Node #0,0,3 Current State: 81:[27, 3], Operations: ['93-66=27', '45/15=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
0.940972
hs_5
mult_heuristic
[ 63, 32, 2, 99 ]
71
[ "99-32=67", "2*67=134", "134-63=71" ]
Current State: 71:[63, 32, 2, 99], Operations: [] Exploring Operation: 99-32=67, Resulting Numbers: [63, 2, 67] Generated Node #2: [63, 2, 67] from Operation: 99-32=67 Current State: 71:[63, 2, 67], Operations: ['99-32=67'] Exploring Operation: 2*67=134, Resulting Numbers: [63, 134] Generated Node #3: [63, 134] from Operation: 2*67=134 Current State: 71:[63, 134], Operations: ['99-32=67', '2*67=134'] Exploring Operation: 134-63=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[63, 32, 2, 99], Operations: [] Exploring Operation: 32*2=64, Resulting Numbers: [63, 99, 64] Generated Node #0,0: 71:[63, 99, 64] Operation: 32*2=64 Exploring Operation: 63+2=65, Resulting Numbers: [32, 99, 65] Generated Node #0,1: 71:[32, 99, 65] Operation: 63+2=65 Moving to Node #0,0 Current State: 71:[63, 99, 64], Operations: ['32*2=64'] Exploring Operation: 99-64=35, Resulting Numbers: [63, 35] Generated Node #0,0,0: 71:[63, 35] Operation: 99-64=35 Exploring Operation: 99-63=36, Resulting Numbers: [64, 36] Generated Node #0,0,1: 71:[64, 36] Operation: 99-63=36 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[64, 36], Operations: ['32*2=64', '99-63=36'] Exploring Operation: 64+36=100, Resulting Numbers: [100] 100,71 unequal: No Solution Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[63, 35], Operations: ['32*2=64', '99-64=35'] Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,71 unequal: No Solution Exploring Operation: 63+35=98, Resulting Numbers: [98] 98,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 71:[32, 99, 65], Operations: ['63+2=65'] Exploring Operation: 99-32=67, Resulting Numbers: [65, 67] Generated Node #0,1,0: 71:[65, 67] Operation: 99-32=67 Exploring Operation: 32+65=97, Resulting Numbers: [99, 97] Generated Node #0,1,1: 71:[99, 97] Operation: 32+65=97 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[65, 67], Operations: ['63+2=65', '99-32=67'] Exploring Operation: 67-65=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 65+67=132, Resulting Numbers: [132] 132,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[99, 97], Operations: ['63+2=65', '32+65=97'] Exploring Operation: 99-97=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 99+97=196, Resulting Numbers: [196] 196,71 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
[ 74, 46, 43, 62 ]
47
[ "74-46=28", "62-43=19", "28+19=47" ]
Current State: 47:[74, 46, 43, 62], Operations: [] Exploring Operation: 74-46=28, Resulting Numbers: [43, 62, 28] Generated Node #2: [43, 62, 28] from Operation: 74-46=28 Current State: 47:[43, 62, 28], Operations: ['74-46=28'] Exploring Operation: 62-43=19, Resulting Numbers: [28, 19] Generated Node #3: [28, 19] from Operation: 62-43=19 Current State: 47:[28, 19], Operations: ['74-46=28', '62-43=19'] Exploring Operation: 28+19=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[74, 46, 43, 62], Operations: [] Exploring Operation: 74-43=31, Resulting Numbers: [46, 62, 31] Generated Node #0,0: 47:[46, 62, 31] Operation: 74-43=31 Moving to Node #0,0 Current State: 47:[46, 62, 31], Operations: ['74-43=31'] Exploring Operation: 62-31=31, Resulting Numbers: [46, 31] Generated Node #0,0,0: 47:[46, 31] Operation: 62-31=31 Moving to Node #0,0,0 Current State: 47:[46, 31], Operations: ['74-43=31', '62-31=31'] Exploring Operation: 46+31=77, Resulting Numbers: [77] 77,47 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 16, 16, 60, 7 ]
68
[ "16/16=1", "60+7=67", "1+67=68" ]
Current State: 68:[16, 16, 60, 7], Operations: [] Exploring Operation: 16/16=1, Resulting Numbers: [60, 7, 1] Generated Node #2: [60, 7, 1] from Operation: 16/16=1 Current State: 68:[60, 7, 1], Operations: ['16/16=1'] Exploring Operation: 60+7=67, Resulting Numbers: [1, 67] Generated Node #3: [1, 67] from Operation: 60+7=67 Current State: 68:[1, 67], Operations: ['16/16=1', '60+7=67'] Exploring Operation: 1+67=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[16, 16, 60, 7], Operations: [] Exploring Operation: 60+7=67, Resulting Numbers: [16, 16, 67] Generated Node #0,0: 68:[16, 16, 67] Operation: 60+7=67 Exploring Operation: 16+60=76, Resulting Numbers: [16, 7, 76] Generated Node #0,1: 68:[16, 7, 76] Operation: 16+60=76 Exploring Operation: 16/16=1, Resulting Numbers: [60, 7, 1] Generated Node #0,2: 68:[60, 7, 1] Operation: 16/16=1 Exploring Operation: 16+60=76, Resulting Numbers: [16, 7, 76] Generated Node #0,3: 68:[16, 7, 76] Operation: 16+60=76 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[16, 16, 67], Operations: ['60+7=67'] Exploring Operation: 16+67=83, Resulting Numbers: [16, 83] Generated Node #0,0,0: 68:[16, 83] Operation: 16+67=83 Exploring Operation: 16+16=32, Resulting Numbers: [67, 32] Generated Node #0,0,1: 68:[67, 32] Operation: 16+16=32 Exploring Operation: 16/16=1, Resulting Numbers: [67, 1] Generated Node #0,0,2: 68:[67, 1] Operation: 16/16=1 Exploring Operation: 16-16=0, Resulting Numbers: [67, 0] Generated Node #0,0,3: 68:[67, 0] Operation: 16-16=0 Moving to Node #0,0,2 Current State: 68:[67, 1], Operations: ['60+7=67', '16/16=1'] Exploring Operation: 67+1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[16, 16, 60, 7], Operations: [] Exploring Operation: 60+7=67, Resulting Numbers: [16, 16, 67] Generated Node #0,0: 68:[16, 16, 67] Operation: 60+7=67 Moving to Node #0,0 Current State: 68:[16, 16, 67], Operations: ['60+7=67'] Exploring Operation: 16/16=1, Resulting Numbers: [67, 1] Generated Node #0,0,2: 68:[67, 1] Operation: 16/16=1 Moving to Node #0,0,2 Current State: 68:[67, 1], Operations: ['60+7=67', '16/16=1'] Exploring Operation: 67+1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 61, 26, 80, 98 ]
17
[ "61*26=1586", "80+1586=1666", "1666/98=17" ]
Current State: 17:[61, 26, 80, 98], Operations: [] Exploring Operation: 61*26=1586, Resulting Numbers: [80, 98, 1586] Generated Node #2: [80, 98, 1586] from Operation: 61*26=1586 Current State: 17:[80, 98, 1586], Operations: ['61*26=1586'] Exploring Operation: 80+1586=1666, Resulting Numbers: [98, 1666] Generated Node #3: [98, 1666] from Operation: 80+1586=1666 Current State: 17:[98, 1666], Operations: ['61*26=1586', '80+1586=1666'] Exploring Operation: 1666/98=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[61, 26, 80, 98], Operations: [] Exploring Operation: 98-80=18, Resulting Numbers: [61, 26, 18] Generated Node #0,0: 17:[61, 26, 18] Operation: 98-80=18 Exploring Operation: 80-26=54, Resulting Numbers: [61, 98, 54] Generated Node #0,1: 17:[61, 98, 54] Operation: 80-26=54 Exploring Operation: 98-61=37, Resulting Numbers: [26, 80, 37] Generated Node #0,2: 17:[26, 80, 37] Operation: 98-61=37 Exploring Operation: 61-26=35, Resulting Numbers: [80, 98, 35] Generated Node #0,3: 17:[80, 98, 35] Operation: 61-26=35 Exploring Operation: 80-61=19, Resulting Numbers: [26, 98, 19] Generated Node #0,4: 17:[26, 98, 19] Operation: 80-61=19 Moving to Node #0,0 Current State: 17:[61, 26, 18], Operations: ['98-80=18'] Exploring Operation: 61+26=87, Resulting Numbers: [18, 87] Generated Node #0,0,0: 17:[18, 87] Operation: 61+26=87 Exploring Operation: 26-18=8, Resulting Numbers: [61, 8] Generated Node #0,0,1: 17:[61, 8] Operation: 26-18=8 Exploring Operation: 61-26=35, Resulting Numbers: [18, 35] Generated Node #0,0,2: 17:[18, 35] Operation: 61-26=35 Exploring Operation: 61-18=43, Resulting Numbers: [26, 43] Generated Node #0,0,3: 17:[26, 43] Operation: 61-18=43 Exploring Operation: 61+18=79, Resulting Numbers: [26, 79] Generated Node #0,0,4: 17:[26, 79] Operation: 61+18=79 Moving to Node #0,4 Current State: 17:[26, 98, 19], Operations: ['80-61=19'] Exploring Operation: 26+19=45, Resulting Numbers: [98, 45] Generated Node #0,4,0: 17:[98, 45] Operation: 26+19=45 Exploring Operation: 26+98=124, Resulting Numbers: [19, 124] Generated Node #0,4,1: 17:[19, 124] Operation: 26+98=124 Exploring Operation: 26-19=7, Resulting Numbers: [98, 7] Generated Node #0,4,2: 17:[98, 7] Operation: 26-19=7 Exploring Operation: 98-26=72, Resulting Numbers: [19, 72] Generated Node #0,4,3: 17:[19, 72] Operation: 98-26=72 Exploring Operation: 98-19=79, Resulting Numbers: [26, 79] Generated Node #0,4,4: 17:[26, 79] Operation: 98-19=79 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 17:[19, 72], Operations: ['80-61=19', '98-26=72'] Exploring Operation: 19*72=1368, Resulting Numbers: [1368] 1368,17 unequal: No Solution Exploring Operation: 19+72=91, Resulting Numbers: [91] 91,17 unequal: No Solution Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 17:[26, 79], Operations: ['80-61=19', '98-19=79'] Exploring Operation: 79-26=53, Resulting Numbers: [53] 53,17 unequal: No Solution Exploring Operation: 26*79=2054, Resulting Numbers: [2054] 2054,17 unequal: No Solution Exploring Operation: 26+79=105, Resulting Numbers: [105] 105,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 17:[98, 7], Operations: ['80-61=19', '26-19=7'] Exploring Operation: 98-7=91, Resulting Numbers: [91] 91,17 unequal: No Solution Exploring Operation: 98*7=686, Resulting Numbers: [686] 686,17 unequal: No Solution Exploring Operation: 98+7=105, Resulting Numbers: [105] 105,17 unequal: No Solution Exploring Operation: 98/7=14, Resulting Numbers: [14] 14,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 17:[98, 45], Operations: ['80-61=19', '26+19=45'] Exploring Operation: 98*45=4410, Resulting Numbers: [4410] 4410,17 unequal: No Solution Exploring Operation: 98-45=53, Resulting Numbers: [53] 53,17 unequal: No Solution Exploring Operation: 98+45=143, Resulting Numbers: [143] 143,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 17:[19, 124], Operations: ['80-61=19', '26+98=124'] Exploring Operation: 19*124=2356, Resulting Numbers: [2356] 2356,17 unequal: No Solution Exploring Operation: 124-19=105, Resulting Numbers: [105] 105,17 unequal: No Solution Exploring Operation: 19+124=143, Resulting Numbers: [143] 143,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 17:[26, 80, 37], Operations: ['98-61=37'] Exploring Operation: 37-26=11, Resulting Numbers: [80, 11] Generated Node #0,2,0: 17:[80, 11] Operation: 37-26=11 Exploring Operation: 80-37=43, Resulting Numbers: [26, 43] Generated Node #0,2,1: 17:[26, 43] Operation: 80-37=43 Exploring Operation: 80-26=54, Resulting Numbers: [37, 54] Generated Node #0,2,2: 17:[37, 54] Operation: 80-26=54 Exploring Operation: 26+80=106, Resulting Numbers: [37, 106] Generated Node #0,2,3: 17:[37, 106] Operation: 26+80=106 Exploring Operation: 26+37=63, Resulting Numbers: [80, 63] Generated Node #0,2,4: 17:[80, 63] Operation: 26+37=63 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 17:[26, 43], Operations: ['98-61=37', '80-37=43'] Exploring Operation: 26+43=69, Resulting Numbers: [69] 69,17 unequal: No Solution Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[61, 26, 80, 98], Operations: [] Exploring Operation: 98-61=37, Resulting Numbers: [26, 80, 37] Generated Node #0,2: 17:[26, 80, 37] Operation: 98-61=37 Moving to Node #0,2 Current State: 17:[26, 80, 37], Operations: ['98-61=37'] Exploring Operation: 80-37=43, Resulting Numbers: [26, 43] Generated Node #0,2,1: 17:[26, 43] Operation: 80-37=43 Moving to Node #0,2,1 Current State: 17:[26, 43], Operations: ['98-61=37', '80-37=43'] Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.963542
hs_5
sum_heuristic
[ 27, 35, 54, 27 ]
17
[ "27*35=945", "945-27=918", "918/54=17" ]
Current State: 17:[27, 35, 54, 27], Operations: [] Exploring Operation: 27*35=945, Resulting Numbers: [54, 945] Generated Node #2: [54, 945] from Operation: 27*35=945 Current State: 17:[54, 945], Operations: ['27*35=945'] Exploring Operation: 945-27=918, Resulting Numbers: [54, 918] Generated Node #3: [54, 918] from Operation: 945-27=918 Current State: 17:[54, 918], Operations: ['27*35=945', '945-27=918'] Exploring Operation: 918/54=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[27, 35, 54, 27], Operations: [] Exploring Operation: 54-35=19, Resulting Numbers: [27, 27, 19] Generated Node #0,0: 17:[27, 27, 19] Operation: 54-35=19 Exploring Operation: 54/27=2, Resulting Numbers: [35, 27, 2] Generated Node #0,1: 17:[35, 27, 2] Operation: 54/27=2 Exploring Operation: 54-27=27, Resulting Numbers: [35, 27, 27] Generated Node #0,2: 17:[35, 27, 27] Operation: 54-27=27 Exploring Operation: 54-27=27, Resulting Numbers: [27, 35, 27] Generated Node #0,3: 17:[27, 35, 27] Operation: 54-27=27 Moving to Node #0,0 Current State: 17:[27, 27, 19], Operations: ['54-35=19'] Exploring Operation: 27-27=0, Resulting Numbers: [19, 0] Generated Node #0,0,0: 17:[19, 0] Operation: 27-27=0 Exploring Operation: 27-19=8, Resulting Numbers: [27, 8] Generated Node #0,0,1: 17:[27, 8] Operation: 27-19=8 Exploring Operation: 27-19=8, Resulting Numbers: [27, 8] Generated Node #0,0,2: 17:[27, 8] Operation: 27-19=8 Exploring Operation: 27/27=1, Resulting Numbers: [19, 1] Generated Node #0,0,3: 17:[19, 1] Operation: 27/27=1 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 17:[19, 1], Operations: ['54-35=19', '27/27=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[19, 0], Operations: ['54-35=19', '27-27=0'] Exploring Operation: 19-0=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 19+0=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 19*0=0, Resulting Numbers: [0] 0,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[27, 8], Operations: ['54-35=19', '27-19=8'] Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[27, 8], Operations: ['54-35=19', '27-19=8'] Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,17 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,17 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: 17:[27, 35, 27], Operations: ['54-27=27'] Exploring Operation: 27/27=1, Resulting Numbers: [35, 1] Generated Node #0,3,0: 17:[35, 1] Operation: 27/27=1 Exploring Operation: 35-27=8, Resulting Numbers: [27, 8] Generated Node #0,3,1: 17:[27, 8] Operation: 35-27=8 Exploring Operation: 35-27=8, Resulting Numbers: [27, 8] Generated Node #0,3,2: 17:[27, 8] Operation: 35-27=8 Exploring Operation: 27-27=0, Resulting Numbers: [35, 0] Generated Node #0,3,3: 17:[35, 0] Operation: 27-27=0 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 17:[27, 8], Operations: ['54-27=27', '35-27=8'] Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,17 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 17:[27, 8], Operations: ['54-27=27', '35-27=8'] Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,17 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 17:[35, 1], Operations: ['54-27=27', '27/27=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 17:[35, 0], Operations: ['54-27=27', '27-27=0'] Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 35-0=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 35*0=0, Resulting Numbers: [0] 0,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 17:[35, 27, 27], Operations: ['54-27=27'] Exploring Operation: 35-27=8, Resulting Numbers: [27, 8] Generated Node #0,2,0: 17:[27, 8] Operation: 35-27=8 Exploring Operation: 27-27=0, Resulting Numbers: [35, 0] Generated Node #0,2,1: 17:[35, 0] Operation: 27-27=0 Exploring Operation: 35-27=8, Resulting Numbers: [27, 8] Generated Node #0,2,2: 17:[27, 8] Operation: 35-27=8 Exploring Operation: 27/27=1, Resulting Numbers: [35, 1] Generated Node #0,2,3: 17:[35, 1] Operation: 27/27=1 Moving to Node #0,1 Current State: 17:[35, 27, 2], Operations: ['54/27=2'] Exploring Operation: 27-2=25, Resulting Numbers: [35, 25] Generated Node #0,1,0: 17:[35, 25] Operation: 27-2=25 Exploring Operation: 35-27=8, Resulting Numbers: [2, 8] Generated Node #0,1,1: 17:[2, 8] Operation: 35-27=8 Exploring Operation: 35-2=33, Resulting Numbers: [27, 33] Generated Node #0,1,2: 17:[27, 33] Operation: 35-2=33 Exploring Operation: 35+2=37, Resulting Numbers: [27, 37] Generated Node #0,1,3: 17:[27, 37] Operation: 35+2=37 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 17:[2, 8], Operations: ['54/27=2', '35-27=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,17 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,17 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,17 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 17:[35, 25], Operations: ['54/27=2', '27-2=25'] Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,17 unequal: No Solution Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,17 unequal: No Solution Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 17:[27, 33], Operations: ['54/27=2', '35-2=33'] Exploring Operation: 27+33=60, Resulting Numbers: [60] 60,17 unequal: No Solution Exploring Operation: 27*33=891, Resulting Numbers: [891] 891,17 unequal: No Solution Exploring Operation: 33-27=6, Resulting Numbers: [6] 6,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 17:[27, 37], Operations: ['54/27=2', '35+2=37'] Exploring Operation: 27+37=64, Resulting Numbers: [64] 64,17 unequal: No Solution Exploring Operation: 27*37=999, Resulting Numbers: [999] 999,17 unequal: No Solution Exploring Operation: 37-27=10, Resulting Numbers: [10] 10,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 17:[27, 8], Operations: ['54-27=27', '35-27=8'] Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,17 unequal: No Solution Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,17 unequal: No Solution Moving to Node #0,2,2 Current State: 17:[27, 8], Operations: ['54-27=27', '35-27=8'] Exploring Operation: 27*8=216, Resulting Numbers: [216] 216,17 unequal: No Solution Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,17 unequal: No Solution Moving to Node #0,2,3 Current State: 17:[35, 1], Operations: ['54-27=27', '27/27=1'] Exploring Operation: 35+1=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,17 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 35/1=35, Resulting Numbers: [35] 35,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[35, 0], Operations: ['54-27=27', '27-27=0'] Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 35-0=35, Resulting Numbers: [35] 35,17 unequal: No Solution Exploring Operation: 35*0=0, Resulting Numbers: [0] 0,17 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 20, 48, 81, 66 ]
90
[ "20*81=1620", "66-48=18", "1620/18=90" ]
Current State: 90:[20, 48, 81, 66], Operations: [] Exploring Operation: 20*81=1620, Resulting Numbers: [48, 66, 1620] Generated Node #2: [48, 66, 1620] from Operation: 20*81=1620 Current State: 90:[48, 66, 1620], Operations: ['20*81=1620'] Exploring Operation: 66-48=18, Resulting Numbers: [1620, 18] Generated Node #3: [1620, 18] from Operation: 66-48=18 Current State: 90:[1620, 18], Operations: ['20*81=1620', '66-48=18'] Exploring Operation: 1620/18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[20, 48, 81, 66], Operations: [] Exploring Operation: 66-48=18, Resulting Numbers: [20, 81, 18] Generated Node #0,0: 90:[20, 81, 18] Operation: 66-48=18 Exploring Operation: 81-66=15, Resulting Numbers: [20, 48, 15] Generated Node #0,1: 90:[20, 48, 15] Operation: 81-66=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[20, 48, 15], Operations: ['81-66=15'] Exploring Operation: 20-15=5, Resulting Numbers: [48, 5] Generated Node #0,1,0: 90:[48, 5] Operation: 20-15=5 Exploring Operation: 48-20=28, Resulting Numbers: [15, 28] Generated Node #0,1,1: 90:[15, 28] Operation: 48-20=28 Moving to Node #0,1,1 Current State: 90:[15, 28], Operations: ['81-66=15', '48-20=28'] Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,90 unequal: No Solution Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[48, 5], Operations: ['81-66=15', '20-15=5'] Exploring Operation: 48+5=53, Resulting Numbers: [53] 53,90 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,90 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:[20, 81, 18], Operations: ['66-48=18'] Exploring Operation: 20+81=101, Resulting Numbers: [18, 101] Generated Node #0,0,0: 90:[18, 101] Operation: 20+81=101 Exploring Operation: 20-18=2, Resulting Numbers: [81, 2] Generated Node #0,0,1: 90:[81, 2] Operation: 20-18=2 Moving to Node #0,0,1 Current State: 90:[81, 2], Operations: ['66-48=18', '20-18=2'] Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,90 unequal: No Solution Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[18, 101], Operations: ['66-48=18', '20+81=101'] Exploring Operation: 18+101=119, Resulting Numbers: [119] 119,90 unequal: No Solution Exploring Operation: 101-18=83, Resulting Numbers: [83] 83,90 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
[ 1, 4, 64, 60 ]
44
[ "1*4=4", "64/4=16", "60-16=44" ]
Current State: 44:[1, 4, 64, 60], Operations: [] Exploring Operation: 1*4=4, Resulting Numbers: [64, 60, 4] Generated Node #2: [64, 60, 4] from Operation: 1*4=4 Current State: 44:[64, 60, 4], Operations: ['1*4=4'] Exploring Operation: 64/4=16, Resulting Numbers: [60, 16] Generated Node #3: [60, 16] from Operation: 64/4=16 Current State: 44:[60, 16], Operations: ['1*4=4', '64/4=16'] Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[1, 4, 64, 60], Operations: [] Exploring Operation: 64-60=4, Resulting Numbers: [1, 4, 4] Generated Node #0,0: 44:[1, 4, 4] Operation: 64-60=4 Exploring Operation: 64/4=16, Resulting Numbers: [1, 60, 16] Generated Node #0,1: 44:[1, 60, 16] Operation: 64/4=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[1, 4, 4], Operations: ['64-60=4'] Exploring Operation: 1*4=4, Resulting Numbers: [4, 4] Generated Node #0,0,0: 44:[4, 4] Operation: 1*4=4 Exploring Operation: 4/1=4, Resulting Numbers: [4, 4] Generated Node #0,0,1: 44:[4, 4] Operation: 4/1=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 44:[4, 4], Operations: ['64-60=4', '1*4=4'] Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 44:[4, 4], Operations: ['64-60=4', '4/1=4'] Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,44 unequal: No Solution Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[1, 60, 16], Operations: ['64/4=16'] Exploring Operation: 60-1=59, Resulting Numbers: [16, 59] Generated Node #0,1,0: 44:[16, 59] Operation: 60-1=59 Exploring Operation: 60-16=44, Resulting Numbers: [1, 44] Generated Node #0,1,1: 44:[1, 44] Operation: 60-16=44 Moving to Node #0,1,1 Current State: 44:[1, 44], Operations: ['64/4=16', '60-16=44'] Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[1, 4, 64, 60], Operations: [] Exploring Operation: 64/4=16, Resulting Numbers: [1, 60, 16] Generated Node #0,1: 44:[1, 60, 16] Operation: 64/4=16 Moving to Node #0,1 Current State: 44:[1, 60, 16], Operations: ['64/4=16'] Exploring Operation: 60-16=44, Resulting Numbers: [1, 44] Generated Node #0,1,1: 44:[1, 44] Operation: 60-16=44 Moving to Node #0,1,1 Current State: 44:[1, 44], Operations: ['64/4=16', '60-16=44'] Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 24, 85, 52, 13 ]
79
[ "24*13=312", "312/52=6", "85-6=79" ]
Current State: 79:[24, 85, 52, 13], Operations: [] Exploring Operation: 24*13=312, Resulting Numbers: [85, 52, 312] Generated Node #2: [85, 52, 312] from Operation: 24*13=312 Current State: 79:[85, 52, 312], Operations: ['24*13=312'] Exploring Operation: 312/52=6, Resulting Numbers: [85, 6] Generated Node #3: [85, 6] from Operation: 312/52=6 Current State: 79:[85, 6], Operations: ['24*13=312', '312/52=6'] Exploring Operation: 85-6=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[24, 85, 52, 13], Operations: [] Exploring Operation: 24+13=37, Resulting Numbers: [85, 52, 37] Generated Node #0,0: 79:[85, 52, 37] Operation: 24+13=37 Exploring Operation: 24+52=76, Resulting Numbers: [85, 13, 76] Generated Node #0,1: 79:[85, 13, 76] Operation: 24+52=76 Exploring Operation: 52+13=65, Resulting Numbers: [24, 85, 65] Generated Node #0,2: 79:[24, 85, 65] Operation: 52+13=65 Moving to Node #0,0 Current State: 79:[85, 52, 37], Operations: ['24+13=37'] Exploring Operation: 85+37=122, Resulting Numbers: [52, 122] Generated Node #0,0,0: 79:[52, 122] Operation: 85+37=122 Exploring Operation: 52+37=89, Resulting Numbers: [85, 89] Generated Node #0,0,1: 79:[85, 89] Operation: 52+37=89 Exploring Operation: 85-37=48, Resulting Numbers: [52, 48] Generated Node #0,0,2: 79:[52, 48] Operation: 85-37=48 Moving to Node #0,1 Current State: 79:[85, 13, 76], Operations: ['24+52=76'] Exploring Operation: 13+76=89, Resulting Numbers: [85, 89] Generated Node #0,1,0: 79:[85, 89] Operation: 13+76=89 Exploring Operation: 85-13=72, Resulting Numbers: [76, 72] Generated Node #0,1,1: 79:[76, 72] Operation: 85-13=72 Exploring Operation: 85+13=98, Resulting Numbers: [76, 98] Generated Node #0,1,2: 79:[76, 98] Operation: 85+13=98 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[76, 72], Operations: ['24+52=76', '85-13=72'] Exploring Operation: 76-72=4, Resulting Numbers: [4] 4,79 unequal: No Solution Exploring Operation: 76*72=5472, Resulting Numbers: [5472] 5472,79 unequal: No Solution Exploring Operation: 76+72=148, Resulting Numbers: [148] 148,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[85, 89], Operations: ['24+52=76', '13+76=89'] Exploring Operation: 85+89=174, Resulting Numbers: [174] 174,79 unequal: No Solution Exploring Operation: 89-85=4, Resulting Numbers: [4] 4,79 unequal: No Solution Exploring Operation: 85*89=7565, Resulting Numbers: [7565] 7565,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 79:[76, 98], Operations: ['24+52=76', '85+13=98'] Exploring Operation: 76*98=7448, Resulting Numbers: [7448] 7448,79 unequal: No Solution Exploring Operation: 98-76=22, Resulting Numbers: [22] 22,79 unequal: No Solution Exploring Operation: 76+98=174, Resulting Numbers: [174] 174,79 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: 79:[24, 85, 65], Operations: ['52+13=65'] Exploring Operation: 85-24=61, Resulting Numbers: [65, 61] Generated Node #0,2,0: 79:[65, 61] Operation: 85-24=61 Exploring Operation: 24+85=109, Resulting Numbers: [65, 109] Generated Node #0,2,1: 79:[65, 109] Operation: 24+85=109 Exploring Operation: 24+65=89, Resulting Numbers: [85, 89] Generated Node #0,2,2: 79:[85, 89] Operation: 24+65=89 Moving to Node #0,0,1 Current State: 79:[85, 89], Operations: ['24+13=37', '52+37=89'] Exploring Operation: 85+89=174, Resulting Numbers: [174] 174,79 unequal: No Solution Exploring Operation: 85*89=7565, Resulting Numbers: [7565] 7565,79 unequal: No Solution Exploring Operation: 89-85=4, Resulting Numbers: [4] 4,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[85, 89], Operations: ['52+13=65', '24+65=89'] Exploring Operation: 89-85=4, Resulting Numbers: [4] 4,79 unequal: No Solution Exploring Operation: 85+89=174, Resulting Numbers: [174] 174,79 unequal: No Solution Exploring Operation: 85*89=7565, Resulting Numbers: [7565] 7565,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[65, 61], Operations: ['52+13=65', '85-24=61'] Exploring Operation: 65-61=4, Resulting Numbers: [4] 4,79 unequal: No Solution Exploring Operation: 65*61=3965, Resulting Numbers: [3965] 3965,79 unequal: No Solution Exploring Operation: 65+61=126, Resulting Numbers: [126] 126,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[65, 109], Operations: ['52+13=65', '24+85=109'] Exploring Operation: 65+109=174, Resulting Numbers: [174] 174,79 unequal: No Solution Exploring Operation: 65*109=7085, Resulting Numbers: [7085] 7085,79 unequal: No Solution Exploring Operation: 109-65=44, Resulting Numbers: [44] 44,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[52, 48], Operations: ['24+13=37', '85-37=48'] Exploring Operation: 52*48=2496, Resulting Numbers: [2496] 2496,79 unequal: No Solution Exploring Operation: 52+48=100, Resulting Numbers: [100] 100,79 unequal: No Solution Exploring Operation: 52-48=4, Resulting Numbers: [4] 4,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[52, 122], Operations: ['24+13=37', '85+37=122'] Exploring Operation: 52*122=6344, Resulting Numbers: [6344] 6344,79 unequal: No Solution Exploring Operation: 122-52=70, Resulting Numbers: [70] 70,79 unequal: No Solution Exploring Operation: 52+122=174, Resulting Numbers: [174] 174,79 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 86, 55, 15, 43 ]
20
[ "86/43=2", "55-15=40", "40/2=20" ]
Current State: 20:[86, 55, 15, 43], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [55, 15, 2] Generated Node #2: [55, 15, 2] from Operation: 86/43=2 Current State: 20:[55, 15, 2], Operations: ['86/43=2'] Exploring Operation: 55-15=40, Resulting Numbers: [2, 40] Generated Node #3: [2, 40] from Operation: 55-15=40 Current State: 20:[2, 40], Operations: ['86/43=2', '55-15=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[86, 55, 15, 43], Operations: [] Exploring Operation: 55-43=12, Resulting Numbers: [86, 15, 12] Generated Node #0,0: 20:[86, 15, 12] Operation: 55-43=12 Exploring Operation: 86-43=43, Resulting Numbers: [55, 15, 43] Generated Node #0,1: 20:[55, 15, 43] Operation: 86-43=43 Exploring Operation: 86-55=31, Resulting Numbers: [15, 43, 31] Generated Node #0,2: 20:[15, 43, 31] Operation: 86-55=31 Exploring Operation: 86/43=2, Resulting Numbers: [55, 15, 2] Generated Node #0,3: 20:[55, 15, 2] Operation: 86/43=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[15, 43, 31], Operations: ['86-55=31'] Exploring Operation: 43-31=12, Resulting Numbers: [15, 12] Generated Node #0,2,0: 20:[15, 12] Operation: 43-31=12 Exploring Operation: 43-15=28, Resulting Numbers: [31, 28] Generated Node #0,2,1: 20:[31, 28] Operation: 43-15=28 Exploring Operation: 15+43=58, Resulting Numbers: [31, 58] Generated Node #0,2,2: 20:[31, 58] Operation: 15+43=58 Exploring Operation: 31-15=16, Resulting Numbers: [43, 16] Generated Node #0,2,3: 20:[43, 16] Operation: 31-15=16 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 20:[15, 12], Operations: ['86-55=31', '43-31=12'] Exploring Operation: 15*12=180, Resulting Numbers: [180] 180,20 unequal: No Solution Exploring Operation: 15+12=27, Resulting Numbers: [27] 27,20 unequal: No Solution Exploring Operation: 15-12=3, Resulting Numbers: [3] 3,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 20:[31, 28], Operations: ['86-55=31', '43-15=28'] Exploring Operation: 31+28=59, Resulting Numbers: [59] 59,20 unequal: No Solution Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,20 unequal: No Solution Exploring Operation: 31*28=868, Resulting Numbers: [868] 868,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 20:[43, 16], Operations: ['86-55=31', '31-15=16'] Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,20 unequal: No Solution Exploring Operation: 43*16=688, Resulting Numbers: [688] 688,20 unequal: No Solution Exploring Operation: 43+16=59, Resulting Numbers: [59] 59,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 20:[31, 58], Operations: ['86-55=31', '15+43=58'] Exploring Operation: 58-31=27, Resulting Numbers: [27] 27,20 unequal: No Solution Exploring Operation: 31*58=1798, Resulting Numbers: [1798] 1798,20 unequal: No Solution Exploring Operation: 31+58=89, Resulting Numbers: [89] 89,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[55, 15, 2], Operations: ['86/43=2'] Exploring Operation: 55-2=53, Resulting Numbers: [15, 53] Generated Node #0,3,0: 20:[15, 53] Operation: 55-2=53 Exploring Operation: 15+2=17, Resulting Numbers: [55, 17] Generated Node #0,3,1: 20:[55, 17] Operation: 15+2=17 Exploring Operation: 55-15=40, Resulting Numbers: [2, 40] Generated Node #0,3,2: 20:[2, 40] Operation: 55-15=40 Exploring Operation: 15-2=13, Resulting Numbers: [55, 13] Generated Node #0,3,3: 20:[55, 13] Operation: 15-2=13 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 20:[2, 40], Operations: ['86/43=2', '55-15=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[86, 55, 15, 43], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [55, 15, 2] Generated Node #0,3: 20:[55, 15, 2] Operation: 86/43=2 Moving to Node #0,3 Current State: 20:[55, 15, 2], Operations: ['86/43=2'] Exploring Operation: 55-15=40, Resulting Numbers: [2, 40] Generated Node #0,3,2: 20:[2, 40] Operation: 55-15=40 Moving to Node #0,3,2 Current State: 20:[2, 40], Operations: ['86/43=2', '55-15=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 34, 9, 4, 4 ]
96
[ "34-9=25", "4*25=100", "100-4=96" ]
Current State: 96:[34, 9, 4, 4], Operations: [] Exploring Operation: 34-9=25, Resulting Numbers: [4, 4, 25] Generated Node #2: [4, 4, 25] from Operation: 34-9=25 Current State: 96:[4, 4, 25], Operations: ['34-9=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,96 equal: Goal Reached Exploring Operation: 100-4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[34, 9, 4, 4], Operations: [] Exploring Operation: 34-9=25, Resulting Numbers: [4, 4, 25] Generated Node #0,0: 96:[4, 4, 25] Operation: 34-9=25 Exploring Operation: 34-4=30, Resulting Numbers: [9, 4, 30] Generated Node #0,1: 96:[9, 4, 30] Operation: 34-4=30 Exploring Operation: 34-4=30, Resulting Numbers: [9, 4, 30] Generated Node #0,2: 96:[9, 4, 30] Operation: 34-4=30 Moving to Node #0,0 Current State: 96:[4, 4, 25], Operations: ['34-9=25'] Exploring Operation: 4+4=8, Resulting Numbers: [25, 8] Generated Node #0,0,0: 96:[25, 8] Operation: 4+4=8 Exploring Operation: 4/4=1, Resulting Numbers: [25, 1] Generated Node #0,0,1: 96:[25, 1] Operation: 4/4=1 Exploring Operation: 4*4=16, Resulting Numbers: [25, 16] Generated Node #0,0,2: 96:[25, 16] Operation: 4*4=16 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[25, 8], Operations: ['34-9=25', '4+4=8'] Exploring Operation: 25+8=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 25*8=200, Resulting Numbers: [200] 200,96 unequal: No Solution Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 96:[25, 16], Operations: ['34-9=25', '4*4=16'] Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,96 unequal: No Solution Exploring Operation: 25*16=400, Resulting Numbers: [400] 400,96 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[25, 1], Operations: ['34-9=25', '4/4=1'] Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 96:[9, 4, 30], Operations: ['34-4=30'] Exploring Operation: 9-4=5, Resulting Numbers: [30, 5] Generated Node #0,1,0: 96:[30, 5] Operation: 9-4=5 Exploring Operation: 30-9=21, Resulting Numbers: [4, 21] Generated Node #0,1,1: 96:[4, 21] Operation: 30-9=21 Exploring Operation: 9+4=13, Resulting Numbers: [30, 13] Generated Node #0,1,2: 96:[30, 13] Operation: 9+4=13 Moving to Node #0,2 Current State: 96:[9, 4, 30], Operations: ['34-4=30'] Exploring Operation: 9-4=5, Resulting Numbers: [30, 5] Generated Node #0,2,0: 96:[30, 5] Operation: 9-4=5 Exploring Operation: 9+4=13, Resulting Numbers: [30, 13] Generated Node #0,2,1: 96:[30, 13] Operation: 9+4=13 Exploring Operation: 30-9=21, Resulting Numbers: [4, 21] Generated Node #0,2,2: 96:[4, 21] Operation: 30-9=21 Moving to Node #0,1,0 Current State: 96:[30, 5], Operations: ['34-4=30', '9-4=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,96 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[30, 13], Operations: ['34-4=30', '9+4=13'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,96 unequal: No Solution Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[4, 21], Operations: ['34-4=30', '30-9=21'] Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,96 unequal: No Solution Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[30, 13], Operations: ['34-4=30', '9+4=13'] Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,96 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[4, 21], Operations: ['34-4=30', '30-9=21'] Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,96 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[30, 5], Operations: ['34-4=30', '9-4=5'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,96 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 85, 70, 2, 94 ]
64
[ "85-70=15", "2*15=30", "94-30=64" ]
Current State: 64:[85, 70, 2, 94], Operations: [] Exploring Operation: 85-70=15, Resulting Numbers: [2, 94, 15] Generated Node #2: [2, 94, 15] from Operation: 85-70=15 Current State: 64:[2, 94, 15], Operations: ['85-70=15'] Exploring Operation: 2*15=30, Resulting Numbers: [94, 30] Generated Node #3: [94, 30] from Operation: 2*15=30 Current State: 64:[94, 30], Operations: ['85-70=15', '2*15=30'] Exploring Operation: 94-30=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[85, 70, 2, 94], Operations: [] Exploring Operation: 94-85=9, Resulting Numbers: [70, 2, 9] Generated Node #0,0: 64:[70, 2, 9] Operation: 94-85=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[70, 2, 9], Operations: ['94-85=9'] Exploring Operation: 70-9=61, Resulting Numbers: [2, 61] Generated Node #0,0,0: 64:[2, 61] Operation: 70-9=61 Moving to Node #0,0,0 Current State: 64:[2, 61], Operations: ['94-85=9', '70-9=61'] Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,64 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
[ 33, 8, 72, 14 ]
28
[ "33-14=19", "72/8=9", "19+9=28" ]
Current State: 28:[33, 8, 72, 14], Operations: [] Exploring Operation: 33-14=19, Resulting Numbers: [8, 72, 19] Generated Node #2: [8, 72, 19] from Operation: 33-14=19 Current State: 28:[8, 72, 19], Operations: ['33-14=19'] Exploring Operation: 72/8=9, Resulting Numbers: [19, 9] Generated Node #3: [19, 9] from Operation: 72/8=9 Current State: 28:[19, 9], Operations: ['33-14=19', '72/8=9'] Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[33, 8, 72, 14], Operations: [] Exploring Operation: 72-14=58, Resulting Numbers: [33, 8, 58] Generated Node #0,0: 28:[33, 8, 58] Operation: 72-14=58 Exploring Operation: 72-8=64, Resulting Numbers: [33, 14, 64] Generated Node #0,1: 28:[33, 14, 64] Operation: 72-8=64 Exploring Operation: 72/8=9, Resulting Numbers: [33, 14, 9] Generated Node #0,2: 28:[33, 14, 9] Operation: 72/8=9 Exploring Operation: 33-8=25, Resulting Numbers: [72, 14, 25] Generated Node #0,3: 28:[72, 14, 25] Operation: 33-8=25 Exploring Operation: 72-33=39, Resulting Numbers: [8, 14, 39] Generated Node #0,4: 28:[8, 14, 39] Operation: 72-33=39 Start Sub Search at level 1: Moving to Node #0,2 Current State: 28:[33, 14, 9], Operations: ['72/8=9'] Exploring Operation: 14-9=5, Resulting Numbers: [33, 5] Generated Node #0,2,0: 28:[33, 5] Operation: 14-9=5 Exploring Operation: 33-14=19, Resulting Numbers: [9, 19] Generated Node #0,2,1: 28:[9, 19] Operation: 33-14=19 Exploring Operation: 14+9=23, Resulting Numbers: [33, 23] Generated Node #0,2,2: 28:[33, 23] Operation: 14+9=23 Exploring Operation: 33+9=42, Resulting Numbers: [14, 42] Generated Node #0,2,3: 28:[14, 42] Operation: 33+9=42 Exploring Operation: 33-9=24, Resulting Numbers: [14, 24] Generated Node #0,2,4: 28:[14, 24] Operation: 33-9=24 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 28:[14, 24], Operations: ['72/8=9', '33-9=24'] Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,28 unequal: No Solution Exploring Operation: 14*24=336, Resulting Numbers: [336] 336,28 unequal: No Solution Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,28 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 28:[33, 5], Operations: ['72/8=9', '14-9=5'] Exploring Operation: 33*5=165, Resulting Numbers: [165] 165,28 unequal: No Solution Exploring Operation: 33+5=38, Resulting Numbers: [38] 38,28 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[33, 8, 72, 14], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [33, 14, 9] Generated Node #0,2: 28:[33, 14, 9] Operation: 72/8=9 Moving to Node #0,2 Current State: 28:[33, 14, 9], Operations: ['72/8=9'] Exploring Operation: 14-9=5, Resulting Numbers: [33, 5] Generated Node #0,2,0: 28:[33, 5] Operation: 14-9=5 Moving to Node #0,2,0 Current State: 28:[33, 5], Operations: ['72/8=9', '14-9=5'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 94, 96, 48, 67 ]
10
[ "94+96=190", "67-48=19", "190/19=10" ]
Current State: 10:[94, 96, 48, 67], Operations: [] Exploring Operation: 94+96=190, Resulting Numbers: [48, 67, 190] Generated Node #2: [48, 67, 190] from Operation: 94+96=190 Current State: 10:[48, 67, 190], Operations: ['94+96=190'] Exploring Operation: 67-48=19, Resulting Numbers: [190, 19] Generated Node #3: [190, 19] from Operation: 67-48=19 Current State: 10:[190, 19], Operations: ['94+96=190', '67-48=19'] Exploring Operation: 190/19=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[94, 96, 48, 67], Operations: [] Exploring Operation: 96-94=2, Resulting Numbers: [48, 67, 2] Generated Node #0,0: 10:[48, 67, 2] Operation: 96-94=2 Exploring Operation: 94-67=27, Resulting Numbers: [96, 48, 27] Generated Node #0,1: 10:[96, 48, 27] Operation: 94-67=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[48, 67, 2], Operations: ['96-94=2'] Exploring Operation: 67-48=19, Resulting Numbers: [2, 19] Generated Node #0,0,0: 10:[2, 19] Operation: 67-48=19 Exploring Operation: 48/2=24, Resulting Numbers: [67, 24] Generated Node #0,0,1: 10:[67, 24] Operation: 48/2=24 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 10:[2, 19], Operations: ['96-94=2', '67-48=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,10 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 10:[67, 24], Operations: ['96-94=2', '48/2=24'] Exploring Operation: 67+24=91, Resulting Numbers: [91] 91,10 unequal: No Solution Exploring Operation: 67-24=43, Resulting Numbers: [43] 43,10 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[96, 48, 27], Operations: ['94-67=27'] Exploring Operation: 96/48=2, Resulting Numbers: [27, 2] Generated Node #0,1,0: 10:[27, 2] Operation: 96/48=2 Exploring Operation: 96-48=48, Resulting Numbers: [27, 48] Generated Node #0,1,1: 10:[27, 48] Operation: 96-48=48 Moving to Node #0,1,0 Current State: 10:[27, 2], Operations: ['94-67=27', '96/48=2'] Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,10 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[27, 48], Operations: ['94-67=27', '96-48=48'] Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 27+48=75, Resulting Numbers: [75] 75,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 54, 73, 71, 2 ]
88
[ "73-54=19", "71-2=69", "19+69=88" ]
Current State: 88:[54, 73, 71, 2], Operations: [] Exploring Operation: 73-54=19, Resulting Numbers: [71, 2, 19] Generated Node #2: [71, 2, 19] from Operation: 73-54=19 Current State: 88:[71, 2, 19], Operations: ['73-54=19'] Exploring Operation: 71-2=69, Resulting Numbers: [19, 69] Generated Node #3: [19, 69] from Operation: 71-2=69 Current State: 88:[19, 69], Operations: ['73-54=19', '71-2=69'] Exploring Operation: 19+69=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[54, 73, 71, 2], Operations: [] Exploring Operation: 73-71=2, Resulting Numbers: [54, 2, 2] Generated Node #0,0: 88:[54, 2, 2] Operation: 73-71=2 Moving to Node #0,0 Current State: 88:[54, 2, 2], Operations: ['73-71=2'] Exploring Operation: 54/2=27, Resulting Numbers: [2, 27] Generated Node #0,0,0: 88:[2, 27] Operation: 54/2=27 Moving to Node #0,0,0 Current State: 88:[2, 27], Operations: ['73-71=2', '54/2=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,88 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 4, 96, 29, 65 ]
70
[ "96/4=24", "29+65=94", "94-24=70" ]
Current State: 70:[4, 96, 29, 65], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [29, 65, 24] Generated Node #2: [29, 65, 24] from Operation: 96/4=24 Current State: 70:[29, 65, 24], Operations: ['96/4=24'] Exploring Operation: 29+65=94, Resulting Numbers: [24, 94] Generated Node #3: [24, 94] from Operation: 29+65=94 Current State: 70:[24, 94], Operations: ['96/4=24', '29+65=94'] Exploring Operation: 94-24=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[4, 96, 29, 65], Operations: [] Exploring Operation: 96-29=67, Resulting Numbers: [4, 65, 67] Generated Node #0,0: 70:[4, 65, 67] Operation: 96-29=67 Exploring Operation: 96-65=31, Resulting Numbers: [4, 29, 31] Generated Node #0,1: 70:[4, 29, 31] Operation: 96-65=31 Exploring Operation: 65-29=36, Resulting Numbers: [4, 96, 36] Generated Node #0,2: 70:[4, 96, 36] Operation: 65-29=36 Exploring Operation: 96/4=24, Resulting Numbers: [29, 65, 24] Generated Node #0,3: 70:[29, 65, 24] Operation: 96/4=24 Moving to Node #0,0 Current State: 70:[4, 65, 67], Operations: ['96-29=67'] Exploring Operation: 4+67=71, Resulting Numbers: [65, 71] Generated Node #0,0,0: 70:[65, 71] Operation: 4+67=71 Exploring Operation: 67-65=2, Resulting Numbers: [4, 2] Generated Node #0,0,1: 70:[4, 2] Operation: 67-65=2 Exploring Operation: 4+65=69, Resulting Numbers: [67, 69] Generated Node #0,0,2: 70:[67, 69] Operation: 4+65=69 Exploring Operation: 65-4=61, Resulting Numbers: [67, 61] Generated Node #0,0,3: 70:[67, 61] Operation: 65-4=61 Moving to Node #0,1 Current State: 70:[4, 29, 31], Operations: ['96-65=31'] Exploring Operation: 31-29=2, Resulting Numbers: [4, 2] Generated Node #0,1,0: 70:[4, 2] Operation: 31-29=2 Exploring Operation: 29+31=60, Resulting Numbers: [4, 60] Generated Node #0,1,1: 70:[4, 60] Operation: 29+31=60 Exploring Operation: 4+31=35, Resulting Numbers: [29, 35] Generated Node #0,1,2: 70:[29, 35] Operation: 4+31=35 Exploring Operation: 4+29=33, Resulting Numbers: [31, 33] Generated Node #0,1,3: 70:[31, 33] Operation: 4+29=33 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[4, 2], Operations: ['96-65=31', '31-29=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[29, 35], Operations: ['96-65=31', '4+31=35'] Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 29*35=1015, Resulting Numbers: [1015] 1015,70 unequal: No Solution Exploring Operation: 29+35=64, Resulting Numbers: [64] 64,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 70:[31, 33], Operations: ['96-65=31', '4+29=33'] Exploring Operation: 31*33=1023, Resulting Numbers: [1023] 1023,70 unequal: No Solution Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,70 unequal: No Solution Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[4, 60], Operations: ['96-65=31', '29+31=60'] Exploring Operation: 4*60=240, Resulting Numbers: [240] 240,70 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,70 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 70:[29, 65, 24], Operations: ['96/4=24'] Exploring Operation: 65-29=36, Resulting Numbers: [24, 36] Generated Node #0,3,0: 70:[24, 36] Operation: 65-29=36 Exploring Operation: 29-24=5, Resulting Numbers: [65, 5] Generated Node #0,3,1: 70:[65, 5] Operation: 29-24=5 Exploring Operation: 65-24=41, Resulting Numbers: [29, 41] Generated Node #0,3,2: 70:[29, 41] Operation: 65-24=41 Exploring Operation: 29+24=53, Resulting Numbers: [65, 53] Generated Node #0,3,3: 70:[65, 53] Operation: 29+24=53 Moving to Node #0,2 Current State: 70:[4, 96, 36], Operations: ['65-29=36'] Exploring Operation: 36/4=9, Resulting Numbers: [96, 9] Generated Node #0,2,0: 70:[96, 9] Operation: 36/4=9 Exploring Operation: 96-36=60, Resulting Numbers: [4, 60] Generated Node #0,2,1: 70:[4, 60] Operation: 96-36=60 Exploring Operation: 96-4=92, Resulting Numbers: [36, 92] Generated Node #0,2,2: 70:[36, 92] Operation: 96-4=92 Exploring Operation: 96/4=24, Resulting Numbers: [36, 24] Generated Node #0,2,3: 70:[36, 24] Operation: 96/4=24 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 70:[4, 60], Operations: ['65-29=36', '96-36=60'] Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,70 unequal: No Solution Exploring Operation: 4*60=240, Resulting Numbers: [240] 240,70 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 60/4=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 #0,2,3 Current State: 70:[36, 24], Operations: ['65-29=36', '96/4=24'] Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 36*24=864, Resulting Numbers: [864] 864,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 70:[36, 92], Operations: ['65-29=36', '96-4=92'] Exploring Operation: 36+92=128, Resulting Numbers: [128] 128,70 unequal: No Solution Exploring Operation: 92-36=56, Resulting Numbers: [56] 56,70 unequal: No Solution Exploring Operation: 36*92=3312, Resulting Numbers: [3312] 3312,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 70:[96, 9], Operations: ['65-29=36', '36/4=9'] Exploring Operation: 96-9=87, Resulting Numbers: [87] 87,70 unequal: No Solution Exploring Operation: 96*9=864, Resulting Numbers: [864] 864,70 unequal: No Solution Exploring Operation: 96+9=105, Resulting Numbers: [105] 105,70 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: 70:[4, 2], Operations: ['96-29=67', '67-65=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,70 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[67, 69], Operations: ['96-29=67', '4+65=69'] Exploring Operation: 67+69=136, Resulting Numbers: [136] 136,70 unequal: No Solution Exploring Operation: 69-67=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 67*69=4623, Resulting Numbers: [4623] 4623,70 unequal: No Solution Moving to Node #0,3,1 Current State: 70:[65, 5], Operations: ['96/4=24', '29-24=5'] Exploring Operation: 65*5=325, Resulting Numbers: [325] 325,70 unequal: No Solution Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,70 unequal: No Solution Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,70 unequal: No Solution Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[4, 96, 29, 65], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [29, 65, 24] Generated Node #0,3: 70:[29, 65, 24] Operation: 96/4=24 Moving to Node #0,3 Current State: 70:[29, 65, 24], Operations: ['96/4=24'] Exploring Operation: 29-24=5, Resulting Numbers: [65, 5] Generated Node #0,3,1: 70:[65, 5] Operation: 29-24=5 Moving to Node #0,3,1 Current State: 70:[65, 5], Operations: ['96/4=24', '29-24=5'] Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
0.946181
hs_4
sum_heuristic
[ 18, 20, 32, 92 ]
22
[ "18+20=38", "92-32=60", "60-38=22" ]
Current State: 22:[18, 20, 32, 92], Operations: [] Exploring Operation: 18+20=38, Resulting Numbers: [32, 92, 38] Generated Node #2: [32, 92, 38] from Operation: 18+20=38 Current State: 22:[32, 92, 38], Operations: ['18+20=38'] Exploring Operation: 92-32=60, Resulting Numbers: [38, 60] Generated Node #3: [38, 60] from Operation: 92-32=60 Current State: 22:[38, 60], Operations: ['18+20=38', '92-32=60'] Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[18, 20, 32, 92], Operations: [] Exploring Operation: 92-20=72, Resulting Numbers: [18, 32, 72] Generated Node #0,0: 22:[18, 32, 72] Operation: 92-20=72 Exploring Operation: 92-32=60, Resulting Numbers: [18, 20, 60] Generated Node #0,1: 22:[18, 20, 60] Operation: 92-32=60 Exploring Operation: 32-18=14, Resulting Numbers: [20, 92, 14] Generated Node #0,2: 22:[20, 92, 14] Operation: 32-18=14 Exploring Operation: 92-18=74, Resulting Numbers: [20, 32, 74] Generated Node #0,3: 22:[20, 32, 74] Operation: 92-18=74 Exploring Operation: 32-20=12, Resulting Numbers: [18, 92, 12] Generated Node #0,4: 22:[18, 92, 12] Operation: 32-20=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[18, 20, 60], Operations: ['92-32=60'] Exploring Operation: 18+20=38, Resulting Numbers: [60, 38] Generated Node #0,1,0: 22:[60, 38] Operation: 18+20=38 Exploring Operation: 60-20=40, Resulting Numbers: [18, 40] Generated Node #0,1,1: 22:[18, 40] Operation: 60-20=40 Exploring Operation: 60/20=3, Resulting Numbers: [18, 3] Generated Node #0,1,2: 22:[18, 3] Operation: 60/20=3 Exploring Operation: 20-18=2, Resulting Numbers: [60, 2] Generated Node #0,1,3: 22:[60, 2] Operation: 20-18=2 Exploring Operation: 60-18=42, Resulting Numbers: [20, 42] Generated Node #0,1,4: 22:[20, 42] Operation: 60-18=42 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 22:[18, 3], Operations: ['92-32=60', '60/20=3'] Exploring Operation: 18*3=54, Resulting Numbers: [54] 54,22 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,22 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,22 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,22 unequal: No Solution No 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: 22:[18, 40], Operations: ['92-32=60', '60-20=40'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[18, 20, 32, 92], Operations: [] Exploring Operation: 92-32=60, Resulting Numbers: [18, 20, 60] Generated Node #0,1: 22:[18, 20, 60] Operation: 92-32=60 Moving to Node #0,1 Current State: 22:[18, 20, 60], Operations: ['92-32=60'] Exploring Operation: 60-20=40, Resulting Numbers: [18, 40] Generated Node #0,1,1: 22:[18, 40] Operation: 60-20=40 Moving to Node #0,1,1 Current State: 22:[18, 40], Operations: ['92-32=60', '60-20=40'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 2, 5, 39, 14 ]
21
[ "14-2=12", "5*12=60", "60-39=21" ]
Current State: 21:[2, 5, 39, 14], Operations: [] Exploring Operation: 14-2=12, Resulting Numbers: [5, 39, 12] Generated Node #2: [5, 39, 12] from Operation: 14-2=12 Current State: 21:[5, 39, 12], Operations: ['14-2=12'] Exploring Operation: 5*12=60, Resulting Numbers: [39, 60] Generated Node #3: [39, 60] from Operation: 5*12=60 Current State: 21:[39, 60], Operations: ['14-2=12', '5*12=60'] Exploring Operation: 60-39=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[2, 5, 39, 14], Operations: [] Exploring Operation: 14/2=7, Resulting Numbers: [5, 39, 7] Generated Node #0,0: 21:[5, 39, 7] Operation: 14/2=7 Exploring Operation: 39-14=25, Resulting Numbers: [2, 5, 25] Generated Node #0,1: 21:[2, 5, 25] Operation: 39-14=25 Exploring Operation: 39-5=34, Resulting Numbers: [2, 14, 34] Generated Node #0,2: 21:[2, 14, 34] Operation: 39-5=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[2, 5, 25], Operations: ['39-14=25'] Exploring Operation: 2+5=7, Resulting Numbers: [25, 7] Generated Node #0,1,0: 21:[25, 7] Operation: 2+5=7 Exploring Operation: 25-5=20, Resulting Numbers: [2, 20] Generated Node #0,1,1: 21:[2, 20] Operation: 25-5=20 Exploring Operation: 25/5=5, Resulting Numbers: [2, 5] Generated Node #0,1,2: 21:[2, 5] Operation: 25/5=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 21:[2, 20], Operations: ['39-14=25', '25-5=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 21:[2, 5], Operations: ['39-14=25', '25/5=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,21 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[25, 7], Operations: ['39-14=25', '2+5=7'] Exploring Operation: 25*7=175, Resulting Numbers: [175] 175,21 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,21 unequal: No Solution Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,21 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: 21:[5, 39, 7], Operations: ['14/2=7'] Exploring Operation: 7-5=2, Resulting Numbers: [39, 2] Generated Node #0,0,0: 21:[39, 2] Operation: 7-5=2 Exploring Operation: 39-5=34, Resulting Numbers: [7, 34] Generated Node #0,0,1: 21:[7, 34] Operation: 39-5=34 Exploring Operation: 39-7=32, Resulting Numbers: [5, 32] Generated Node #0,0,2: 21:[5, 32] Operation: 39-7=32 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[7, 34], Operations: ['14/2=7', '39-5=34'] Exploring Operation: 7+34=41, Resulting Numbers: [41] 41,21 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,21 unequal: No Solution Exploring Operation: 7*34=238, Resulting Numbers: [238] 238,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 21:[5, 32], Operations: ['14/2=7', '39-7=32'] Exploring Operation: 5*32=160, Resulting Numbers: [160] 160,21 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,21 unequal: No Solution Exploring Operation: 5+32=37, Resulting Numbers: [37] 37,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[39, 2], Operations: ['14/2=7', '7-5=2'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,21 unequal: No Solution Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,21 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: 21:[2, 14, 34], Operations: ['39-5=34'] Exploring Operation: 34/2=17, Resulting Numbers: [14, 17] Generated Node #0,2,0: 21:[14, 17] Operation: 34/2=17 Exploring Operation: 34-14=20, Resulting Numbers: [2, 20] Generated Node #0,2,1: 21:[2, 20] Operation: 34-14=20 Exploring Operation: 14/2=7, Resulting Numbers: [34, 7] Generated Node #0,2,2: 21:[34, 7] Operation: 14/2=7 Moving to Node #0,2,1 Current State: 21:[2, 20], Operations: ['39-5=34', '34-14=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,21 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,21 unequal: No Solution Moving to Node #0,2,0 Current State: 21:[14, 17], Operations: ['39-5=34', '34/2=17'] Exploring Operation: 14+17=31, Resulting Numbers: [31] 31,21 unequal: No Solution Exploring Operation: 14*17=238, Resulting Numbers: [238] 238,21 unequal: No Solution Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[34, 7], Operations: ['39-5=34', '14/2=7'] Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,21 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,21 unequal: No Solution Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,21 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
[ 85, 37, 7, 64 ]
65
[ "85+37=122", "64-7=57", "122-57=65" ]
Current State: 65:[85, 37, 7, 64], Operations: [] Exploring Operation: 85+37=122, Resulting Numbers: [7, 64, 122] Generated Node #2: [7, 64, 122] from Operation: 85+37=122 Current State: 65:[7, 64, 122], Operations: ['85+37=122'] Exploring Operation: 64-7=57, Resulting Numbers: [122, 57] Generated Node #3: [122, 57] from Operation: 64-7=57 Current State: 65:[122, 57], Operations: ['85+37=122', '64-7=57'] Exploring Operation: 122-57=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[85, 37, 7, 64], Operations: [] Exploring Operation: 85-7=78, Resulting Numbers: [37, 64, 78] Generated Node #0,0: 65:[37, 64, 78] Operation: 85-7=78 Exploring Operation: 85-64=21, Resulting Numbers: [37, 7, 21] Generated Node #0,1: 65:[37, 7, 21] Operation: 85-64=21 Exploring Operation: 64-37=27, Resulting Numbers: [85, 7, 27] Generated Node #0,2: 65:[85, 7, 27] Operation: 64-37=27 Exploring Operation: 37-7=30, Resulting Numbers: [85, 64, 30] Generated Node #0,3: 65:[85, 64, 30] Operation: 37-7=30 Exploring Operation: 85-37=48, Resulting Numbers: [7, 64, 48] Generated Node #0,4: 65:[7, 64, 48] Operation: 85-37=48 Moving to Node #0,4 Current State: 65:[7, 64, 48], Operations: ['85-37=48'] Exploring Operation: 7+64=71, Resulting Numbers: [48, 71] Generated Node #0,4,0: 65:[48, 71] Operation: 7+64=71 Exploring Operation: 64-7=57, Resulting Numbers: [48, 57] Generated Node #0,4,1: 65:[48, 57] Operation: 64-7=57 Exploring Operation: 64-48=16, Resulting Numbers: [7, 16] Generated Node #0,4,2: 65:[7, 16] Operation: 64-48=16 Exploring Operation: 7+48=55, Resulting Numbers: [64, 55] Generated Node #0,4,3: 65:[64, 55] Operation: 7+48=55 Exploring Operation: 48-7=41, Resulting Numbers: [64, 41] Generated Node #0,4,4: 65:[64, 41] Operation: 48-7=41 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 65:[7, 16], Operations: ['85-37=48', '64-48=16'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,65 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 65:[64, 55], Operations: ['85-37=48', '7+48=55'] Exploring Operation: 64*55=3520, Resulting Numbers: [3520] 3520,65 unequal: No Solution Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 64+55=119, Resulting Numbers: [119] 119,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 65:[48, 71], Operations: ['85-37=48', '7+64=71'] Exploring Operation: 48+71=119, Resulting Numbers: [119] 119,65 unequal: No Solution Exploring Operation: 48*71=3408, Resulting Numbers: [3408] 3408,65 unequal: No Solution Exploring Operation: 71-48=23, Resulting Numbers: [23] 23,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 65:[48, 57], Operations: ['85-37=48', '64-7=57'] Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,65 unequal: No Solution Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 65:[64, 41], Operations: ['85-37=48', '48-7=41'] Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,65 unequal: No Solution Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,65 unequal: No Solution Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,65 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: 65:[37, 7, 21], Operations: ['85-64=21'] Exploring Operation: 37+21=58, Resulting Numbers: [7, 58] Generated Node #0,1,0: 65:[7, 58] Operation: 37+21=58 Exploring Operation: 21/7=3, Resulting Numbers: [37, 3] Generated Node #0,1,1: 65:[37, 3] Operation: 21/7=3 Exploring Operation: 37-21=16, Resulting Numbers: [7, 16] Generated Node #0,1,2: 65:[7, 16] Operation: 37-21=16 Exploring Operation: 21-7=14, Resulting Numbers: [37, 14] Generated Node #0,1,3: 65:[37, 14] Operation: 21-7=14 Exploring Operation: 37-7=30, Resulting Numbers: [21, 30] Generated Node #0,1,4: 65:[21, 30] Operation: 37-7=30 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[7, 16], Operations: ['85-64=21', '37-21=16'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,65 unequal: No Solution Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,65 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[7, 58], Operations: ['85-64=21', '37+21=58'] Exploring Operation: 7+58=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[85, 37, 7, 64], Operations: [] Exploring Operation: 85-64=21, Resulting Numbers: [37, 7, 21] Generated Node #0,1: 65:[37, 7, 21] Operation: 85-64=21 Moving to Node #0,1 Current State: 65:[37, 7, 21], Operations: ['85-64=21'] Exploring Operation: 37+21=58, Resulting Numbers: [7, 58] Generated Node #0,1,0: 65:[7, 58] Operation: 37+21=58 Moving to Node #0,1,0 Current State: 65:[7, 58], Operations: ['85-64=21', '37+21=58'] Exploring Operation: 7+58=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 26, 93, 95, 15 ]
28
[ "95-93=2", "26/2=13", "15+13=28" ]
Current State: 28:[26, 93, 95, 15], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [26, 15, 2] Generated Node #2: [26, 15, 2] from Operation: 95-93=2 Current State: 28:[26, 15, 2], Operations: ['95-93=2'] Exploring Operation: 26/2=13, Resulting Numbers: [15, 13] Generated Node #3: [15, 13] from Operation: 26/2=13 Current State: 28:[15, 13], Operations: ['95-93=2', '26/2=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[26, 93, 95, 15], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [26, 15, 2] Generated Node #0,0: 28:[26, 15, 2] Operation: 95-93=2 Exploring Operation: 93-26=67, Resulting Numbers: [95, 15, 67] Generated Node #0,1: 28:[95, 15, 67] Operation: 93-26=67 Exploring Operation: 95-26=69, Resulting Numbers: [93, 15, 69] Generated Node #0,2: 28:[93, 15, 69] Operation: 95-26=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[26, 15, 2], Operations: ['95-93=2'] Exploring Operation: 26-15=11, Resulting Numbers: [2, 11] Generated Node #0,0,0: 28:[2, 11] Operation: 26-15=11 Exploring Operation: 26/2=13, Resulting Numbers: [15, 13] Generated Node #0,0,1: 28:[15, 13] Operation: 26/2=13 Exploring Operation: 26+2=28, Resulting Numbers: [15, 28] Generated Node #0,0,2: 28:[15, 28] Operation: 26+2=28 Moving to Node #0,0,2 Current State: 28:[15, 28], Operations: ['95-93=2', '26+2=28'] Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,28 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,28 unequal: No Solution Exploring Operation: 15*28=420, Resulting Numbers: [420] 420,28 unequal: No Solution Moving to Node #0,0,1 Current State: 28:[15, 13], Operations: ['95-93=2', '26/2=13'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,28 unequal: No Solution Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[26, 93, 95, 15], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [26, 15, 2] Generated Node #0,0: 28:[26, 15, 2] Operation: 95-93=2 Moving to Node #0,0 Current State: 28:[26, 15, 2], Operations: ['95-93=2'] Exploring Operation: 26/2=13, Resulting Numbers: [15, 13] Generated Node #0,0,1: 28:[15, 13] Operation: 26/2=13 Moving to Node #0,0,1 Current State: 28:[15, 13], Operations: ['95-93=2', '26/2=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 3, 42, 77, 67 ]
49
[ "42-3=39", "77-67=10", "39+10=49" ]
Current State: 49:[3, 42, 77, 67], Operations: [] Exploring Operation: 42-3=39, Resulting Numbers: [77, 67, 39] Generated Node #2: [77, 67, 39] from Operation: 42-3=39 Current State: 49:[77, 67, 39], Operations: ['42-3=39'] Exploring Operation: 77-67=10, Resulting Numbers: [39, 10] Generated Node #3: [39, 10] from Operation: 77-67=10 Current State: 49:[39, 10], Operations: ['42-3=39', '77-67=10'] Exploring Operation: 39+10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[3, 42, 77, 67], Operations: [] Exploring Operation: 3+42=45, Resulting Numbers: [77, 67, 45] Generated Node #0,0: 49:[77, 67, 45] Operation: 3+42=45 Exploring Operation: 77-42=35, Resulting Numbers: [3, 67, 35] Generated Node #0,1: 49:[3, 67, 35] Operation: 77-42=35 Exploring Operation: 77-67=10, Resulting Numbers: [3, 42, 10] Generated Node #0,2: 49:[3, 42, 10] Operation: 77-67=10 Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[3, 42, 10], Operations: ['77-67=10'] Exploring Operation: 10-3=7, Resulting Numbers: [42, 7] Generated Node #0,2,0: 49:[42, 7] Operation: 10-3=7 Exploring Operation: 3+42=45, Resulting Numbers: [10, 45] Generated Node #0,2,1: 49:[10, 45] Operation: 3+42=45 Exploring Operation: 42+10=52, Resulting Numbers: [3, 52] Generated Node #0,2,2: 49:[3, 52] Operation: 42+10=52 Moving to Node #0,2,0 Current State: 49:[42, 7], Operations: ['77-67=10', '10-3=7'] Exploring Operation: 42-7=35, Resulting Numbers: [35] 35,49 unequal: No Solution Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[3, 42, 77, 67], Operations: [] Exploring Operation: 77-67=10, Resulting Numbers: [3, 42, 10] Generated Node #0,2: 49:[3, 42, 10] Operation: 77-67=10 Moving to Node #0,2 Current State: 49:[3, 42, 10], Operations: ['77-67=10'] Exploring Operation: 10-3=7, Resulting Numbers: [42, 7] Generated Node #0,2,0: 49:[42, 7] Operation: 10-3=7 Moving to Node #0,2,0 Current State: 49:[42, 7], Operations: ['77-67=10', '10-3=7'] Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 69, 71, 28, 75 ]
45
[ "71-69=2", "75-28=47", "47-2=45" ]
Current State: 45:[69, 71, 28, 75], Operations: [] Exploring Operation: 71-69=2, Resulting Numbers: [28, 75, 2] Generated Node #2: [28, 75, 2] from Operation: 71-69=2 Current State: 45:[28, 75, 2], Operations: ['71-69=2'] Exploring Operation: 75-28=47, Resulting Numbers: [2, 47] Generated Node #3: [2, 47] from Operation: 75-28=47 Current State: 45:[2, 47], Operations: ['71-69=2', '75-28=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[69, 71, 28, 75], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [69, 28, 4] Generated Node #0,0: 45:[69, 28, 4] Operation: 75-71=4 Exploring Operation: 75-69=6, Resulting Numbers: [71, 28, 6] Generated Node #0,1: 45:[71, 28, 6] Operation: 75-69=6 Exploring Operation: 71-69=2, Resulting Numbers: [28, 75, 2] Generated Node #0,2: 45:[28, 75, 2] Operation: 71-69=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[69, 28, 4], Operations: ['75-71=4'] Exploring Operation: 28/4=7, Resulting Numbers: [69, 7] Generated Node #0,0,0: 45:[69, 7] Operation: 28/4=7 Exploring Operation: 69-28=41, Resulting Numbers: [4, 41] Generated Node #0,0,1: 45:[4, 41] Operation: 69-28=41 Exploring Operation: 69-4=65, Resulting Numbers: [28, 65] Generated Node #0,0,2: 45:[28, 65] Operation: 69-4=65 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 45:[4, 41], Operations: ['75-71=4', '69-28=41'] Exploring Operation: 4*41=164, Resulting Numbers: [164] 164,45 unequal: No Solution Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[69, 71, 28, 75], Operations: [] Exploring Operation: 75-71=4, Resulting Numbers: [69, 28, 4] Generated Node #0,0: 45:[69, 28, 4] Operation: 75-71=4 Moving to Node #0,0 Current State: 45:[69, 28, 4], Operations: ['75-71=4'] Exploring Operation: 69-28=41, Resulting Numbers: [4, 41] Generated Node #0,0,1: 45:[4, 41] Operation: 69-28=41 Moving to Node #0,0,1 Current State: 45:[4, 41], Operations: ['75-71=4', '69-28=41'] Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 11, 61, 76, 96 ]
30
[ "61-11=50", "96-76=20", "50-20=30" ]
Current State: 30:[11, 61, 76, 96], Operations: [] Exploring Operation: 61-11=50, Resulting Numbers: [76, 96, 50] Generated Node #2: [76, 96, 50] from Operation: 61-11=50 Current State: 30:[76, 96, 50], Operations: ['61-11=50'] Exploring Operation: 96-76=20, Resulting Numbers: [50, 20] Generated Node #3: [50, 20] from Operation: 96-76=20 Current State: 30:[50, 20], Operations: ['61-11=50', '96-76=20'] Exploring Operation: 50-20=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[11, 61, 76, 96], Operations: [] Exploring Operation: 76-61=15, Resulting Numbers: [11, 96, 15] Generated Node #0,0: 30:[11, 96, 15] Operation: 76-61=15 Exploring Operation: 96-76=20, Resulting Numbers: [11, 61, 20] Generated Node #0,1: 30:[11, 61, 20] Operation: 96-76=20 Exploring Operation: 96-61=35, Resulting Numbers: [11, 76, 35] Generated Node #0,2: 30:[11, 76, 35] Operation: 96-61=35 Exploring Operation: 76-11=65, Resulting Numbers: [61, 96, 65] Generated Node #0,3: 30:[61, 96, 65] Operation: 76-11=65 Exploring Operation: 61-11=50, Resulting Numbers: [76, 96, 50] Generated Node #0,4: 30:[76, 96, 50] Operation: 61-11=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[11, 61, 20], Operations: ['96-76=20'] Exploring Operation: 61-20=41, Resulting Numbers: [11, 41] Generated Node #0,1,0: 30:[11, 41] Operation: 61-20=41 Exploring Operation: 61-11=50, Resulting Numbers: [20, 50] Generated Node #0,1,1: 30:[20, 50] Operation: 61-11=50 Exploring Operation: 11+20=31, Resulting Numbers: [61, 31] Generated Node #0,1,2: 30:[61, 31] Operation: 11+20=31 Exploring Operation: 20-11=9, Resulting Numbers: [61, 9] Generated Node #0,1,3: 30:[61, 9] Operation: 20-11=9 Exploring Operation: 11+61=72, Resulting Numbers: [20, 72] Generated Node #0,1,4: 30:[20, 72] Operation: 11+61=72 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 30:[11, 41], Operations: ['96-76=20', '61-20=41'] Exploring Operation: 11+41=52, Resulting Numbers: [52] 52,30 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[11, 61, 76, 96], Operations: [] Exploring Operation: 96-76=20, Resulting Numbers: [11, 61, 20] Generated Node #0,1: 30:[11, 61, 20] Operation: 96-76=20 Moving to Node #0,1 Current State: 30:[11, 61, 20], Operations: ['96-76=20'] Exploring Operation: 61-20=41, Resulting Numbers: [11, 41] Generated Node #0,1,0: 30:[11, 41] Operation: 61-20=41 Moving to Node #0,1,0 Current State: 30:[11, 41], Operations: ['96-76=20', '61-20=41'] Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 52, 37, 68, 74 ]
53
[ "52+37=89", "68+74=142", "142-89=53" ]
Current State: 53:[52, 37, 68, 74], Operations: [] Exploring Operation: 52+37=89, Resulting Numbers: [68, 74, 89] Generated Node #2: [68, 74, 89] from Operation: 52+37=89 Current State: 53:[68, 74, 89], Operations: ['52+37=89'] Exploring Operation: 68+74=142, Resulting Numbers: [89, 142] Generated Node #3: [89, 142] from Operation: 68+74=142 Current State: 53:[89, 142], Operations: ['52+37=89', '68+74=142'] Exploring Operation: 142-89=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[52, 37, 68, 74], Operations: [] Exploring Operation: 68-37=31, Resulting Numbers: [52, 74, 31] Generated Node #0,0: 53:[52, 74, 31] Operation: 68-37=31 Exploring Operation: 74-37=37, Resulting Numbers: [52, 68, 37] Generated Node #0,1: 53:[52, 68, 37] Operation: 74-37=37 Exploring Operation: 74-68=6, Resulting Numbers: [52, 37, 6] Generated Node #0,2: 53:[52, 37, 6] Operation: 74-68=6 Exploring Operation: 74-52=22, Resulting Numbers: [37, 68, 22] Generated Node #0,3: 53:[37, 68, 22] Operation: 74-52=22 Moving to Node #0,1 Current State: 53:[52, 68, 37], Operations: ['74-37=37'] Exploring Operation: 52+37=89, Resulting Numbers: [68, 89] Generated Node #0,1,0: 53:[68, 89] Operation: 52+37=89 Exploring Operation: 68-52=16, Resulting Numbers: [37, 16] Generated Node #0,1,1: 53:[37, 16] Operation: 68-52=16 Exploring Operation: 52-37=15, Resulting Numbers: [68, 15] Generated Node #0,1,2: 53:[68, 15] Operation: 52-37=15 Exploring Operation: 68-37=31, Resulting Numbers: [52, 31] Generated Node #0,1,3: 53:[52, 31] Operation: 68-37=31 Moving to Node #0,0 Current State: 53:[52, 74, 31], Operations: ['68-37=31'] Exploring Operation: 52+31=83, Resulting Numbers: [74, 83] Generated Node #0,0,0: 53:[74, 83] Operation: 52+31=83 Exploring Operation: 52-31=21, Resulting Numbers: [74, 21] Generated Node #0,0,1: 53:[74, 21] Operation: 52-31=21 Exploring Operation: 74-52=22, Resulting Numbers: [31, 22] Generated Node #0,0,2: 53:[31, 22] Operation: 74-52=22 Exploring Operation: 74-31=43, Resulting Numbers: [52, 43] Generated Node #0,0,3: 53:[52, 43] Operation: 74-31=43 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 53:[52, 43], Operations: ['68-37=31', '74-31=43'] Exploring Operation: 52-43=9, Resulting Numbers: [9] 9,53 unequal: No Solution Exploring Operation: 52+43=95, Resulting Numbers: [95] 95,53 unequal: No Solution Exploring Operation: 52*43=2236, Resulting Numbers: [2236] 2236,53 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 #0,0,0 Current State: 53:[74, 83], Operations: ['68-37=31', '52+31=83'] Exploring Operation: 74+83=157, Resulting Numbers: [157] 157,53 unequal: No Solution Exploring Operation: 83-74=9, Resulting Numbers: [9] 9,53 unequal: No Solution Exploring Operation: 74*83=6142, Resulting Numbers: [6142] 6142,53 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:[74, 21], Operations: ['68-37=31', '52-31=21'] Exploring Operation: 74*21=1554, Resulting Numbers: [1554] 1554,53 unequal: No Solution Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[52, 37, 68, 74], Operations: [] Exploring Operation: 68-37=31, Resulting Numbers: [52, 74, 31] Generated Node #0,0: 53:[52, 74, 31] Operation: 68-37=31 Moving to Node #0,0 Current State: 53:[52, 74, 31], Operations: ['68-37=31'] Exploring Operation: 52-31=21, Resulting Numbers: [74, 21] Generated Node #0,0,1: 53:[74, 21] Operation: 52-31=21 Moving to Node #0,0,1 Current State: 53:[74, 21], Operations: ['68-37=31', '52-31=21'] Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 33, 27, 82, 72 ]
85
[ "27+72=99", "99/33=3", "82+3=85" ]
Current State: 85:[33, 27, 82, 72], Operations: [] Exploring Operation: 27+72=99, Resulting Numbers: [33, 82, 99] Generated Node #2: [33, 82, 99] from Operation: 27+72=99 Current State: 85:[33, 82, 99], Operations: ['27+72=99'] Exploring Operation: 99/33=3, Resulting Numbers: [82, 3] Generated Node #3: [82, 3] from Operation: 99/33=3 Current State: 85:[82, 3], Operations: ['27+72=99', '99/33=3'] Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[33, 27, 82, 72], Operations: [] Exploring Operation: 27+72=99, Resulting Numbers: [33, 82, 99] Generated Node #0,0: 85:[33, 82, 99] Operation: 27+72=99 Exploring Operation: 33-27=6, Resulting Numbers: [82, 72, 6] Generated Node #0,1: 85:[82, 72, 6] Operation: 33-27=6 Exploring Operation: 82-72=10, Resulting Numbers: [33, 27, 10] Generated Node #0,2: 85:[33, 27, 10] Operation: 82-72=10 Exploring Operation: 33+72=105, Resulting Numbers: [27, 82, 105] Generated Node #0,3: 85:[27, 82, 105] Operation: 33+72=105 Moving to Node #0,1 Current State: 85:[82, 72, 6], Operations: ['33-27=6'] Exploring Operation: 72/6=12, Resulting Numbers: [82, 12] Generated Node #0,1,0: 85:[82, 12] Operation: 72/6=12 Exploring Operation: 82-72=10, Resulting Numbers: [6, 10] Generated Node #0,1,1: 85:[6, 10] Operation: 82-72=10 Exploring Operation: 82+6=88, Resulting Numbers: [72, 88] Generated Node #0,1,2: 85:[72, 88] Operation: 82+6=88 Exploring Operation: 72+6=78, Resulting Numbers: [82, 78] Generated Node #0,1,3: 85:[82, 78] Operation: 72+6=78 Moving to Node #0,2 Current State: 85:[33, 27, 10], Operations: ['82-72=10'] Exploring Operation: 33-27=6, Resulting Numbers: [10, 6] Generated Node #0,2,0: 85:[10, 6] Operation: 33-27=6 Exploring Operation: 33-10=23, Resulting Numbers: [27, 23] Generated Node #0,2,1: 85:[27, 23] Operation: 33-10=23 Exploring Operation: 33+27=60, Resulting Numbers: [10, 60] Generated Node #0,2,2: 85:[10, 60] Operation: 33+27=60 Exploring Operation: 27-10=17, Resulting Numbers: [33, 17] Generated Node #0,2,3: 85:[33, 17] Operation: 27-10=17 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[10, 6], Operations: ['82-72=10', '33-27=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,85 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,85 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 #0,2,1 Current State: 85:[27, 23], Operations: ['82-72=10', '33-10=23'] Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 27*23=621, Resulting Numbers: [621] 621,85 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,85 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 #0,2,3 Current State: 85:[33, 17], Operations: ['82-72=10', '27-10=17'] Exploring Operation: 33-17=16, Resulting Numbers: [16] 16,85 unequal: No Solution Exploring Operation: 33*17=561, Resulting Numbers: [561] 561,85 unequal: No Solution Exploring Operation: 33+17=50, Resulting Numbers: [50] 50,85 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 #0,2,2 Current State: 85:[10, 60], Operations: ['82-72=10', '33+27=60'] Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 10*60=600, Resulting Numbers: [600] 600,85 unequal: No Solution Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,85 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: 85:[27, 82, 105], Operations: ['33+72=105'] Exploring Operation: 105-82=23, Resulting Numbers: [27, 23] Generated Node #0,3,0: 85:[27, 23] Operation: 105-82=23 Exploring Operation: 82-27=55, Resulting Numbers: [105, 55] Generated Node #0,3,1: 85:[105, 55] Operation: 82-27=55 Exploring Operation: 27+82=109, Resulting Numbers: [105, 109] Generated Node #0,3,2: 85:[105, 109] Operation: 27+82=109 Exploring Operation: 105-27=78, Resulting Numbers: [82, 78] Generated Node #0,3,3: 85:[82, 78] Operation: 105-27=78 Moving to Node #0,0 Current State: 85:[33, 82, 99], Operations: ['27+72=99'] Exploring Operation: 33+82=115, Resulting Numbers: [99, 115] Generated Node #0,0,0: 85:[99, 115] Operation: 33+82=115 Exploring Operation: 99-33=66, Resulting Numbers: [82, 66] Generated Node #0,0,1: 85:[82, 66] Operation: 99-33=66 Exploring Operation: 99-82=17, Resulting Numbers: [33, 17] Generated Node #0,0,2: 85:[33, 17] Operation: 99-82=17 Exploring Operation: 99/33=3, Resulting Numbers: [82, 3] Generated Node #0,0,3: 85:[82, 3] Operation: 99/33=3 Moving to Node #0,0,3 Current State: 85:[82, 3], Operations: ['27+72=99', '99/33=3'] Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,85 unequal: No Solution Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[33, 27, 82, 72], Operations: [] Exploring Operation: 27+72=99, Resulting Numbers: [33, 82, 99] Generated Node #0,0: 85:[33, 82, 99] Operation: 27+72=99 Moving to Node #0,0 Current State: 85:[33, 82, 99], Operations: ['27+72=99'] Exploring Operation: 99/33=3, Resulting Numbers: [82, 3] Generated Node #0,0,3: 85:[82, 3] Operation: 99/33=3 Moving to Node #0,0,3 Current State: 85:[82, 3], Operations: ['27+72=99', '99/33=3'] Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.965278
hs_4
mult_heuristic
[ 18, 60, 26, 96 ]
48
[ "26-18=8", "96/8=12", "60-12=48" ]
Current State: 48:[18, 60, 26, 96], Operations: [] Exploring Operation: 26-18=8, Resulting Numbers: [60, 96, 8] Generated Node #2: [60, 96, 8] from Operation: 26-18=8 Current State: 48:[60, 96, 8], Operations: ['26-18=8'] Exploring Operation: 96/8=12, Resulting Numbers: [60, 12] Generated Node #3: [60, 12] from Operation: 96/8=12 Current State: 48:[60, 12], Operations: ['26-18=8', '96/8=12'] Exploring Operation: 60-12=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[18, 60, 26, 96], Operations: [] Exploring Operation: 96-60=36, Resulting Numbers: [18, 26, 36] Generated Node #0,0: 48:[18, 26, 36] Operation: 96-60=36 Exploring Operation: 96-18=78, Resulting Numbers: [60, 26, 78] Generated Node #0,1: 48:[60, 26, 78] Operation: 96-18=78 Exploring Operation: 96-26=70, Resulting Numbers: [18, 60, 70] Generated Node #0,2: 48:[18, 60, 70] Operation: 96-26=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[18, 26, 36], Operations: ['96-60=36'] Exploring Operation: 36-26=10, Resulting Numbers: [18, 10] Generated Node #0,0,0: 48:[18, 10] Operation: 36-26=10 Exploring Operation: 36/18=2, Resulting Numbers: [26, 2] Generated Node #0,0,1: 48:[26, 2] Operation: 36/18=2 Exploring Operation: 36-18=18, Resulting Numbers: [26, 18] Generated Node #0,0,2: 48:[26, 18] Operation: 36-18=18 Moving to Node #0,0,1 Current State: 48:[26, 2], Operations: ['96-60=36', '36/18=2'] Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[18, 10], Operations: ['96-60=36', '36-26=10'] Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,48 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,48 unequal: No Solution Moving to Node #0,0,2 Current State: 48:[26, 18], Operations: ['96-60=36', '36-18=18'] Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,48 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[18, 60, 70], Operations: ['96-26=70'] Exploring Operation: 70-60=10, Resulting Numbers: [18, 10] Generated Node #0,2,0: 48:[18, 10] Operation: 70-60=10 Exploring Operation: 70-18=52, Resulting Numbers: [60, 52] Generated Node #0,2,1: 48:[60, 52] Operation: 70-18=52 Exploring Operation: 60-18=42, Resulting Numbers: [70, 42] Generated Node #0,2,2: 48:[70, 42] Operation: 60-18=42 Moving to Node #0,2,0 Current State: 48:[18, 10], Operations: ['96-26=70', '70-60=10'] Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,48 unequal: No Solution Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,48 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[60, 52], Operations: ['96-26=70', '70-18=52'] Exploring Operation: 60-52=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 60*52=3120, Resulting Numbers: [3120] 3120,48 unequal: No Solution Exploring Operation: 60+52=112, Resulting Numbers: [112] 112,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[70, 42], Operations: ['96-26=70', '60-18=42'] Exploring Operation: 70*42=2940, Resulting Numbers: [2940] 2940,48 unequal: No Solution Exploring Operation: 70+42=112, Resulting Numbers: [112] 112,48 unequal: No Solution Exploring Operation: 70-42=28, Resulting Numbers: [28] 28,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[60, 26, 78], Operations: ['96-18=78'] Exploring Operation: 78/26=3, Resulting Numbers: [60, 3] Generated Node #0,1,0: 48:[60, 3] Operation: 78/26=3 Exploring Operation: 78-26=52, Resulting Numbers: [60, 52] Generated Node #0,1,1: 48:[60, 52] Operation: 78-26=52 Exploring Operation: 78-60=18, Resulting Numbers: [26, 18] Generated Node #0,1,2: 48:[26, 18] Operation: 78-60=18 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 48:[26, 18], Operations: ['96-18=78', '78-60=18'] Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,48 unequal: No Solution Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,48 unequal: No Solution Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,48 unequal: No Solution No 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: 48:[60, 3], Operations: ['96-18=78', '78/26=3'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,48 unequal: No Solution Exploring Operation: 60+3=63, Resulting Numbers: [63] 63,48 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,48 unequal: No Solution No 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: 48:[60, 52], Operations: ['96-18=78', '78-26=52'] Exploring Operation: 60*52=3120, Resulting Numbers: [3120] 3120,48 unequal: No Solution Exploring Operation: 60-52=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 60+52=112, Resulting Numbers: [112] 112,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 11, 31, 32, 29 ]
45
[ "11+31=42", "32-29=3", "42+3=45" ]
Current State: 45:[11, 31, 32, 29], Operations: [] Exploring Operation: 11+31=42, Resulting Numbers: [32, 29, 42] Generated Node #2: [32, 29, 42] from Operation: 11+31=42 Current State: 45:[32, 29, 42], Operations: ['11+31=42'] Exploring Operation: 32-29=3, Resulting Numbers: [42, 3] Generated Node #3: [42, 3] from Operation: 32-29=3 Current State: 45:[42, 3], Operations: ['11+31=42', '32-29=3'] Exploring Operation: 42+3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[11, 31, 32, 29], Operations: [] Exploring Operation: 32-31=1, Resulting Numbers: [11, 29, 1] Generated Node #0,0: 45:[11, 29, 1] Operation: 32-31=1 Exploring Operation: 32-29=3, Resulting Numbers: [11, 31, 3] Generated Node #0,1: 45:[11, 31, 3] Operation: 32-29=3 Exploring Operation: 31-29=2, Resulting Numbers: [11, 32, 2] Generated Node #0,2: 45:[11, 32, 2] Operation: 31-29=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[11, 31, 3], Operations: ['32-29=3'] Exploring Operation: 11+31=42, Resulting Numbers: [3, 42] Generated Node #0,1,0: 45:[3, 42] Operation: 11+31=42 Exploring Operation: 31+3=34, Resulting Numbers: [11, 34] Generated Node #0,1,1: 45:[11, 34] Operation: 31+3=34 Exploring Operation: 31-11=20, Resulting Numbers: [3, 20] Generated Node #0,1,2: 45:[3, 20] Operation: 31-11=20 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[3, 42], Operations: ['32-29=3', '11+31=42'] Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[11, 31, 32, 29], Operations: [] Exploring Operation: 32-29=3, Resulting Numbers: [11, 31, 3] Generated Node #0,1: 45:[11, 31, 3] Operation: 32-29=3 Moving to Node #0,1 Current State: 45:[11, 31, 3], Operations: ['32-29=3'] Exploring Operation: 11+31=42, Resulting Numbers: [3, 42] Generated Node #0,1,0: 45:[3, 42] Operation: 11+31=42 Moving to Node #0,1,0 Current State: 45:[3, 42], Operations: ['32-29=3', '11+31=42'] Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 96, 2, 77, 21 ]
61
[ "96-77=19", "2*21=42", "19+42=61" ]
Current State: 61:[96, 2, 77, 21], Operations: [] Exploring Operation: 96-77=19, Resulting Numbers: [2, 21, 19] Generated Node #2: [2, 21, 19] from Operation: 96-77=19 Current State: 61:[2, 21, 19], Operations: ['96-77=19'] Exploring Operation: 2*21=42, Resulting Numbers: [19, 42] Generated Node #3: [19, 42] from Operation: 2*21=42 Current State: 61:[19, 42], Operations: ['96-77=19', '2*21=42'] Exploring Operation: 19+42=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[96, 2, 77, 21], Operations: [] Exploring Operation: 96-21=75, Resulting Numbers: [2, 77, 75] Generated Node #0,0: 61:[2, 77, 75] Operation: 96-21=75 Exploring Operation: 96-2=94, Resulting Numbers: [77, 21, 94] Generated Node #0,1: 61:[77, 21, 94] Operation: 96-2=94 Exploring Operation: 2*21=42, Resulting Numbers: [96, 77, 42] Generated Node #0,2: 61:[96, 77, 42] Operation: 2*21=42 Exploring Operation: 96/2=48, Resulting Numbers: [77, 21, 48] Generated Node #0,3: 61:[77, 21, 48] Operation: 96/2=48 Start Sub Search at level 1: Moving to Node #0,3 Current State: 61:[77, 21, 48], Operations: ['96/2=48'] Exploring Operation: 77-21=56, Resulting Numbers: [48, 56] Generated Node #0,3,0: 61:[48, 56] Operation: 77-21=56 Exploring Operation: 48-21=27, Resulting Numbers: [77, 27] Generated Node #0,3,1: 61:[77, 27] Operation: 48-21=27 Exploring Operation: 21+48=69, Resulting Numbers: [77, 69] Generated Node #0,3,2: 61:[77, 69] Operation: 21+48=69 Exploring Operation: 77+21=98, Resulting Numbers: [48, 98] Generated Node #0,3,3: 61:[48, 98] Operation: 77+21=98 Moving to Node #0,3,0 Current State: 61:[48, 56], Operations: ['96/2=48', '77-21=56'] Exploring Operation: 48*56=2688, Resulting Numbers: [2688] 2688,61 unequal: No Solution Exploring Operation: 48+56=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[77, 69], Operations: ['96/2=48', '21+48=69'] Exploring Operation: 77-69=8, Resulting Numbers: [8] 8,61 unequal: No Solution Exploring Operation: 77+69=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 77*69=5313, Resulting Numbers: [5313] 5313,61 unequal: No Solution Moving to Node #0,3,3 Current State: 61:[48, 98], Operations: ['96/2=48', '77+21=98'] Exploring Operation: 48*98=4704, Resulting Numbers: [4704] 4704,61 unequal: No Solution Exploring Operation: 48+98=146, Resulting Numbers: [146] 146,61 unequal: No Solution Exploring Operation: 98-48=50, Resulting Numbers: [50] 50,61 unequal: No Solution Moving to Node #0,3,1 Current State: 61:[77, 27], Operations: ['96/2=48', '48-21=27'] Exploring Operation: 77+27=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 77*27=2079, Resulting Numbers: [2079] 2079,61 unequal: No Solution Exploring Operation: 77-27=50, Resulting Numbers: [50] 50,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[96, 77, 42], Operations: ['2*21=42'] Exploring Operation: 96+42=138, Resulting Numbers: [77, 138] Generated Node #0,2,0: 61:[77, 138] Operation: 96+42=138 Exploring Operation: 77-42=35, Resulting Numbers: [96, 35] Generated Node #0,2,1: 61:[96, 35] Operation: 77-42=35 Exploring Operation: 96-42=54, Resulting Numbers: [77, 54] Generated Node #0,2,2: 61:[77, 54] Operation: 96-42=54 Exploring Operation: 96-77=19, Resulting Numbers: [42, 19] Generated Node #0,2,3: 61:[42, 19] Operation: 96-77=19 Moving to Node #0,2,2 Current State: 61:[77, 54], Operations: ['2*21=42', '96-42=54'] Exploring Operation: 77*54=4158, Resulting Numbers: [4158] 4158,61 unequal: No Solution Exploring Operation: 77-54=23, Resulting Numbers: [23] 23,61 unequal: No Solution Exploring Operation: 77+54=131, Resulting Numbers: [131] 131,61 unequal: No Solution Moving to Node #0,2,3 Current State: 61:[42, 19], Operations: ['2*21=42', '96-77=19'] Exploring Operation: 42+19=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[96, 2, 77, 21], Operations: [] Exploring Operation: 2*21=42, Resulting Numbers: [96, 77, 42] Generated Node #0,2: 61:[96, 77, 42] Operation: 2*21=42 Moving to Node #0,2 Current State: 61:[96, 77, 42], Operations: ['2*21=42'] Exploring Operation: 96-77=19, Resulting Numbers: [42, 19] Generated Node #0,2,3: 61:[42, 19] Operation: 96-77=19 Moving to Node #0,2,3 Current State: 61:[42, 19], Operations: ['2*21=42', '96-77=19'] Exploring Operation: 42+19=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
sum_heuristic
[ 49, 40, 71, 94 ]
76
[ "49+40=89", "71+94=165", "165-89=76" ]
Current State: 76:[49, 40, 71, 94], Operations: [] Exploring Operation: 49+40=89, Resulting Numbers: [71, 94, 89] Generated Node #2: [71, 94, 89] from Operation: 49+40=89 Current State: 76:[71, 94, 89], Operations: ['49+40=89'] Exploring Operation: 71+94=165, Resulting Numbers: [89, 165] Generated Node #3: [89, 165] from Operation: 71+94=165 Current State: 76:[89, 165], Operations: ['49+40=89', '71+94=165'] Exploring Operation: 165-89=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[49, 40, 71, 94], Operations: [] Exploring Operation: 94-49=45, Resulting Numbers: [40, 71, 45] Generated Node #0,0: 76:[40, 71, 45] Operation: 94-49=45 Exploring Operation: 71-49=22, Resulting Numbers: [40, 94, 22] Generated Node #0,1: 76:[40, 94, 22] Operation: 71-49=22 Exploring Operation: 94-71=23, Resulting Numbers: [49, 40, 23] Generated Node #0,2: 76:[49, 40, 23] Operation: 94-71=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[40, 71, 45], Operations: ['94-49=45'] Exploring Operation: 71-45=26, Resulting Numbers: [40, 26] Generated Node #0,0,0: 76:[40, 26] Operation: 71-45=26 Exploring Operation: 71-40=31, Resulting Numbers: [45, 31] Generated Node #0,0,1: 76:[45, 31] Operation: 71-40=31 Exploring Operation: 45-40=5, Resulting Numbers: [71, 5] Generated Node #0,0,2: 76:[71, 5] Operation: 45-40=5 Moving to Node #0,0,2 Current State: 76:[71, 5], Operations: ['94-49=45', '45-40=5'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,76 unequal: No Solution Exploring Operation: 71*5=355, Resulting Numbers: [355] 355,76 unequal: No Solution Exploring Operation: 71+5=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[49, 40, 71, 94], Operations: [] Exploring Operation: 94-49=45, Resulting Numbers: [40, 71, 45] Generated Node #0,0: 76:[40, 71, 45] Operation: 94-49=45 Moving to Node #0,0 Current State: 76:[40, 71, 45], Operations: ['94-49=45'] Exploring Operation: 45-40=5, Resulting Numbers: [71, 5] Generated Node #0,0,2: 76:[71, 5] Operation: 45-40=5 Moving to Node #0,0,2 Current State: 76:[71, 5], Operations: ['94-49=45', '45-40=5'] Exploring Operation: 71+5=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 4, 25, 31, 25 ]
26
[ "31-4=27", "25/25=1", "27-1=26" ]
Current State: 26:[4, 25, 31, 25], Operations: [] Exploring Operation: 31-4=27, Resulting Numbers: [25, 25, 27] Generated Node #2: [25, 25, 27] from Operation: 31-4=27 Current State: 26:[25, 25, 27], Operations: ['31-4=27'] Exploring Operation: 25/25=1, Resulting Numbers: [27, 1] Generated Node #3: [27, 1] from Operation: 25/25=1 Current State: 26:[27, 1], Operations: ['31-4=27', '25/25=1'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[4, 25, 31, 25], Operations: [] Exploring Operation: 31-4=27, Resulting Numbers: [25, 25, 27] Generated Node #0,0: 26:[25, 25, 27] Operation: 31-4=27 Exploring Operation: 31-25=6, Resulting Numbers: [4, 25, 6] Generated Node #0,1: 26:[4, 25, 6] Operation: 31-25=6 Exploring Operation: 25/25=1, Resulting Numbers: [4, 31, 1] Generated Node #0,2: 26:[4, 31, 1] Operation: 25/25=1 Exploring Operation: 31-25=6, Resulting Numbers: [4, 25, 6] Generated Node #0,3: 26:[4, 25, 6] Operation: 31-25=6 Moving to Node #0,0 Current State: 26:[25, 25, 27], Operations: ['31-4=27'] Exploring Operation: 27-25=2, Resulting Numbers: [25, 2] Generated Node #0,0,0: 26:[25, 2] Operation: 27-25=2 Exploring Operation: 25-25=0, Resulting Numbers: [27, 0] Generated Node #0,0,1: 26:[27, 0] Operation: 25-25=0 Exploring Operation: 27-25=2, Resulting Numbers: [25, 2] Generated Node #0,0,2: 26:[25, 2] Operation: 27-25=2 Exploring Operation: 25/25=1, Resulting Numbers: [27, 1] Generated Node #0,0,3: 26:[27, 1] Operation: 25/25=1 Moving to Node #0,3 Current State: 26:[4, 25, 6], Operations: ['31-25=6'] Exploring Operation: 4*6=24, Resulting Numbers: [25, 24] Generated Node #0,3,0: 26:[25, 24] Operation: 4*6=24 Exploring Operation: 6-4=2, Resulting Numbers: [25, 2] Generated Node #0,3,1: 26:[25, 2] Operation: 6-4=2 Exploring Operation: 4+6=10, Resulting Numbers: [25, 10] Generated Node #0,3,2: 26:[25, 10] Operation: 4+6=10 Exploring Operation: 4+25=29, Resulting Numbers: [6, 29] Generated Node #0,3,3: 26:[6, 29] Operation: 4+25=29 Moving to Node #0,1 Current State: 26:[4, 25, 6], Operations: ['31-25=6'] Exploring Operation: 6-4=2, Resulting Numbers: [25, 2] Generated Node #0,1,0: 26:[25, 2] Operation: 6-4=2 Exploring Operation: 4*6=24, Resulting Numbers: [25, 24] Generated Node #0,1,1: 26:[25, 24] Operation: 4*6=24 Exploring Operation: 4+6=10, Resulting Numbers: [25, 10] Generated Node #0,1,2: 26:[25, 10] Operation: 4+6=10 Exploring Operation: 4+25=29, Resulting Numbers: [6, 29] Generated Node #0,1,3: 26:[6, 29] Operation: 4+25=29 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[25, 2], Operations: ['31-25=6', '6-4=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,26 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,26 unequal: No Solution Exploring Operation: 25+2=27, Resulting Numbers: [27] 27,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[25, 24], Operations: ['31-25=6', '4*6=24'] Exploring Operation: 25*24=600, Resulting Numbers: [600] 600,26 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,26 unequal: No Solution Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[25, 10], Operations: ['31-25=6', '4+6=10'] Exploring Operation: 25-10=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 25*10=250, Resulting Numbers: [250] 250,26 unequal: No Solution Exploring Operation: 25+10=35, Resulting Numbers: [35] 35,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 26:[6, 29], Operations: ['31-25=6', '4+25=29'] Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,26 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,26 unequal: No Solution Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,26 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: 26:[4, 31, 1], Operations: ['25/25=1'] Exploring Operation: 4*1=4, Resulting Numbers: [31, 4] Generated Node #0,2,0: 26:[31, 4] Operation: 4*1=4 Exploring Operation: 4-1=3, Resulting Numbers: [31, 3] Generated Node #0,2,1: 26:[31, 3] Operation: 4-1=3 Exploring Operation: 31-1=30, Resulting Numbers: [4, 30] Generated Node #0,2,2: 26:[4, 30] Operation: 31-1=30 Exploring Operation: 31-4=27, Resulting Numbers: [1, 27] Generated Node #0,2,3: 26:[1, 27] Operation: 31-4=27 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 26:[1, 27], Operations: ['25/25=1', '31-4=27'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[4, 25, 31, 25], Operations: [] Exploring Operation: 25/25=1, Resulting Numbers: [4, 31, 1] Generated Node #0,2: 26:[4, 31, 1] Operation: 25/25=1 Moving to Node #0,2 Current State: 26:[4, 31, 1], Operations: ['25/25=1'] Exploring Operation: 31-4=27, Resulting Numbers: [1, 27] Generated Node #0,2,3: 26:[1, 27] Operation: 31-4=27 Moving to Node #0,2,3 Current State: 26:[1, 27], Operations: ['25/25=1', '31-4=27'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
mult_heuristic
[ 83, 87, 17, 3 ]
13
[ "83+87=170", "170/17=10", "3+10=13" ]
Current State: 13:[83, 87, 17, 3], Operations: [] Exploring Operation: 83+87=170, Resulting Numbers: [17, 3, 170] Generated Node #2: [17, 3, 170] from Operation: 83+87=170 Current State: 13:[17, 3, 170], Operations: ['83+87=170'] Exploring Operation: 170/17=10, Resulting Numbers: [3, 10] Generated Node #3: [3, 10] from Operation: 170/17=10 Current State: 13:[3, 10], Operations: ['83+87=170', '170/17=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[83, 87, 17, 3], Operations: [] Exploring Operation: 83-17=66, Resulting Numbers: [87, 3, 66] Generated Node #0,0: 13:[87, 3, 66] Operation: 83-17=66 Exploring Operation: 87-83=4, Resulting Numbers: [17, 3, 4] Generated Node #0,1: 13:[17, 3, 4] Operation: 87-83=4 Exploring Operation: 87-17=70, Resulting Numbers: [83, 3, 70] Generated Node #0,2: 13:[83, 3, 70] Operation: 87-17=70 Exploring Operation: 87/3=29, Resulting Numbers: [83, 17, 29] Generated Node #0,3: 13:[83, 17, 29] Operation: 87/3=29 Moving to Node #0,1 Current State: 13:[17, 3, 4], Operations: ['87-83=4'] Exploring Operation: 3+4=7, Resulting Numbers: [17, 7] Generated Node #0,1,0: 13:[17, 7] Operation: 3+4=7 Exploring Operation: 17-3=14, Resulting Numbers: [4, 14] Generated Node #0,1,1: 13:[4, 14] Operation: 17-3=14 Exploring Operation: 17-4=13, Resulting Numbers: [3, 13] Generated Node #0,1,2: 13:[3, 13] Operation: 17-4=13 Exploring Operation: 3*4=12, Resulting Numbers: [17, 12] Generated Node #0,1,3: 13:[17, 12] Operation: 3*4=12 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 13:[17, 12], Operations: ['87-83=4', '3*4=12'] Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,13 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,13 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[17, 7], Operations: ['87-83=4', '3+4=7'] Exploring Operation: 17*7=119, Resulting Numbers: [119] 119,13 unequal: No Solution Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[4, 14], Operations: ['87-83=4', '17-3=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[3, 13], Operations: ['87-83=4', '17-4=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,13 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 13:[83, 17, 29], Operations: ['87/3=29'] Exploring Operation: 83-29=54, Resulting Numbers: [17, 54] Generated Node #0,3,0: 13:[17, 54] Operation: 83-29=54 Exploring Operation: 83+17=100, Resulting Numbers: [29, 100] Generated Node #0,3,1: 13:[29, 100] Operation: 83+17=100 Exploring Operation: 29-17=12, Resulting Numbers: [83, 12] Generated Node #0,3,2: 13:[83, 12] Operation: 29-17=12 Exploring Operation: 83-17=66, Resulting Numbers: [29, 66] Generated Node #0,3,3: 13:[29, 66] Operation: 83-17=66 Moving to Node #0,2 Current State: 13:[83, 3, 70], Operations: ['87-17=70'] Exploring Operation: 83-70=13, Resulting Numbers: [3, 13] Generated Node #0,2,0: 13:[3, 13] Operation: 83-70=13 Exploring Operation: 83-3=80, Resulting Numbers: [70, 80] Generated Node #0,2,1: 13:[70, 80] Operation: 83-3=80 Exploring Operation: 70-3=67, Resulting Numbers: [83, 67] Generated Node #0,2,2: 13:[83, 67] Operation: 70-3=67 Exploring Operation: 83+3=86, Resulting Numbers: [70, 86] Generated Node #0,2,3: 13:[70, 86] Operation: 83+3=86 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[3, 13], Operations: ['87-17=70', '83-70=13'] Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,13 unequal: No Solution Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[70, 80], Operations: ['87-17=70', '83-3=80'] Exploring Operation: 70+80=150, Resulting Numbers: [150] 150,13 unequal: No Solution Exploring Operation: 70*80=5600, Resulting Numbers: [5600] 5600,13 unequal: No Solution Exploring Operation: 80-70=10, Resulting Numbers: [10] 10,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[83, 67], Operations: ['87-17=70', '70-3=67'] Exploring Operation: 83+67=150, Resulting Numbers: [150] 150,13 unequal: No Solution Exploring Operation: 83-67=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 83*67=5561, Resulting Numbers: [5561] 5561,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[70, 86], Operations: ['87-17=70', '83+3=86'] Exploring Operation: 70*86=6020, Resulting Numbers: [6020] 6020,13 unequal: No Solution Exploring Operation: 70+86=156, Resulting Numbers: [156] 156,13 unequal: No Solution Exploring Operation: 86-70=16, Resulting Numbers: [16] 16,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 13:[87, 3, 66], Operations: ['83-17=66'] Exploring Operation: 66/3=22, Resulting Numbers: [87, 22] Generated Node #0,0,0: 13:[87, 22] Operation: 66/3=22 Exploring Operation: 87/3=29, Resulting Numbers: [66, 29] Generated Node #0,0,1: 13:[66, 29] Operation: 87/3=29 Exploring Operation: 87-3=84, Resulting Numbers: [66, 84] Generated Node #0,0,2: 13:[66, 84] Operation: 87-3=84 Exploring Operation: 87-66=21, Resulting Numbers: [3, 21] Generated Node #0,0,3: 13:[3, 21] Operation: 87-66=21 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 13:[3, 21], Operations: ['83-17=66', '87-66=21'] Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,13 unequal: No Solution Exploring Operation: 3+21=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 3*21=63, Resulting Numbers: [63] 63,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 13:[66, 29], Operations: ['83-17=66', '87/3=29'] Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 66+29=95, Resulting Numbers: [95] 95,13 unequal: No Solution Exploring Operation: 66*29=1914, Resulting Numbers: [1914] 1914,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[87, 22], Operations: ['83-17=66', '66/3=22'] Exploring Operation: 87+22=109, Resulting Numbers: [109] 109,13 unequal: No Solution Exploring Operation: 87-22=65, Resulting Numbers: [65] 65,13 unequal: No Solution Exploring Operation: 87*22=1914, Resulting Numbers: [1914] 1914,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[66, 84], Operations: ['83-17=66', '87-3=84'] Exploring Operation: 66*84=5544, Resulting Numbers: [5544] 5544,13 unequal: No Solution Exploring Operation: 66+84=150, Resulting Numbers: [150] 150,13 unequal: No Solution Exploring Operation: 84-66=18, Resulting Numbers: [18] 18,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 13:[17, 54], Operations: ['87/3=29', '83-29=54'] Exploring Operation: 17+54=71, Resulting Numbers: [71] 71,13 unequal: No Solution Exploring Operation: 17*54=918, Resulting Numbers: [918] 918,13 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,13 unequal: No Solution Moving to Node #0,3,3 Current State: 13:[29, 66], Operations: ['87/3=29', '83-17=66'] Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 29*66=1914, Resulting Numbers: [1914] 1914,13 unequal: No Solution Exploring Operation: 29+66=95, Resulting Numbers: [95] 95,13 unequal: No Solution Moving to Node #0,3,2 Current State: 13:[83, 12], Operations: ['87/3=29', '29-17=12'] Exploring Operation: 83+12=95, Resulting Numbers: [95] 95,13 unequal: No Solution Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,13 unequal: No Solution Exploring Operation: 83*12=996, Resulting Numbers: [996] 996,13 unequal: No Solution Moving to Node #0,3,1 Current State: 13:[29, 100], Operations: ['87/3=29', '83+17=100'] Exploring Operation: 100-29=71, Resulting Numbers: [71] 71,13 unequal: No Solution Exploring Operation: 29+100=129, Resulting Numbers: [129] 129,13 unequal: No Solution Exploring Operation: 29*100=2900, Resulting Numbers: [2900] 2900,13 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 9, 16, 47, 64 ]
34
[ "47-9=38", "64/16=4", "38-4=34" ]
Current State: 34:[9, 16, 47, 64], Operations: [] Exploring Operation: 47-9=38, Resulting Numbers: [16, 64, 38] Generated Node #2: [16, 64, 38] from Operation: 47-9=38 Current State: 34:[16, 64, 38], Operations: ['47-9=38'] Exploring Operation: 64/16=4, Resulting Numbers: [38, 4] Generated Node #3: [38, 4] from Operation: 64/16=4 Current State: 34:[38, 4], Operations: ['47-9=38', '64/16=4'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[9, 16, 47, 64], Operations: [] Exploring Operation: 64-9=55, Resulting Numbers: [16, 47, 55] Generated Node #0,0: 34:[16, 47, 55] Operation: 64-9=55 Exploring Operation: 47-9=38, Resulting Numbers: [16, 64, 38] Generated Node #0,1: 34:[16, 64, 38] Operation: 47-9=38 Exploring Operation: 64/16=4, Resulting Numbers: [9, 47, 4] Generated Node #0,2: 34:[9, 47, 4] Operation: 64/16=4 Exploring Operation: 64-16=48, Resulting Numbers: [9, 47, 48] Generated Node #0,3: 34:[9, 47, 48] Operation: 64-16=48 Exploring Operation: 64-47=17, Resulting Numbers: [9, 16, 17] Generated Node #0,4: 34:[9, 16, 17] Operation: 64-47=17 Moving to Node #0,4 Current State: 34:[9, 16, 17], Operations: ['64-47=17'] Exploring Operation: 16+17=33, Resulting Numbers: [9, 33] Generated Node #0,4,0: 34:[9, 33] Operation: 16+17=33 Exploring Operation: 17-16=1, Resulting Numbers: [9, 1] Generated Node #0,4,1: 34:[9, 1] Operation: 17-16=1 Exploring Operation: 9+16=25, Resulting Numbers: [17, 25] Generated Node #0,4,2: 34:[17, 25] Operation: 9+16=25 Exploring Operation: 17-9=8, Resulting Numbers: [16, 8] Generated Node #0,4,3: 34:[16, 8] Operation: 17-9=8 Exploring Operation: 16-9=7, Resulting Numbers: [17, 7] Generated Node #0,4,4: 34:[17, 7] Operation: 16-9=7 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 34:[17, 7], Operations: ['64-47=17', '16-9=7'] Exploring Operation: 17*7=119, Resulting Numbers: [119] 119,34 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 34:[16, 8], Operations: ['64-47=17', '17-9=8'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,34 unequal: No Solution Exploring Operation: 16*8=128, Resulting Numbers: [128] 128,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 34:[9, 33], Operations: ['64-47=17', '16+17=33'] Exploring Operation: 9+33=42, Resulting Numbers: [42] 42,34 unequal: No Solution Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,34 unequal: No Solution Exploring Operation: 9*33=297, Resulting Numbers: [297] 297,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 34:[9, 1], Operations: ['64-47=17', '17-16=1'] Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,34 unequal: No Solution Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,34 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,34 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 34:[17, 25], Operations: ['64-47=17', '9+16=25'] Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,34 unequal: No Solution Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,34 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: 34:[9, 47, 4], Operations: ['64/16=4'] Exploring Operation: 9*4=36, Resulting Numbers: [47, 36] Generated Node #0,2,0: 34:[47, 36] Operation: 9*4=36 Exploring Operation: 47-4=43, Resulting Numbers: [9, 43] Generated Node #0,2,1: 34:[9, 43] Operation: 47-4=43 Exploring Operation: 9-4=5, Resulting Numbers: [47, 5] Generated Node #0,2,2: 34:[47, 5] Operation: 9-4=5 Exploring Operation: 47-9=38, Resulting Numbers: [4, 38] Generated Node #0,2,3: 34:[4, 38] Operation: 47-9=38 Exploring Operation: 9+4=13, Resulting Numbers: [47, 13] Generated Node #0,2,4: 34:[47, 13] Operation: 9+4=13 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 34:[4, 38], Operations: ['64/16=4', '47-9=38'] Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,34 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,34 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[9, 16, 47, 64], Operations: [] Exploring Operation: 64/16=4, Resulting Numbers: [9, 47, 4] Generated Node #0,2: 34:[9, 47, 4] Operation: 64/16=4 Moving to Node #0,2 Current State: 34:[9, 47, 4], Operations: ['64/16=4'] Exploring Operation: 47-9=38, Resulting Numbers: [4, 38] Generated Node #0,2,3: 34:[4, 38] Operation: 47-9=38 Moving to Node #0,2,3 Current State: 34:[4, 38], Operations: ['64/16=4', '47-9=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 10, 60, 12, 37 ]
42
[ "10+37=47", "60/12=5", "47-5=42" ]
Current State: 42:[10, 60, 12, 37], Operations: [] Exploring Operation: 10+37=47, Resulting Numbers: [60, 12, 47] Generated Node #2: [60, 12, 47] from Operation: 10+37=47 Current State: 42:[60, 12, 47], Operations: ['10+37=47'] Exploring Operation: 60/12=5, Resulting Numbers: [47, 5] Generated Node #3: [47, 5] from Operation: 60/12=5 Current State: 42:[47, 5], Operations: ['10+37=47', '60/12=5'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[10, 60, 12, 37], Operations: [] Exploring Operation: 60-37=23, Resulting Numbers: [10, 12, 23] Generated Node #0,0: 42:[10, 12, 23] Operation: 60-37=23 Exploring Operation: 60-10=50, Resulting Numbers: [12, 37, 50] Generated Node #0,1: 42:[12, 37, 50] Operation: 60-10=50 Exploring Operation: 60-12=48, Resulting Numbers: [10, 37, 48] Generated Node #0,2: 42:[10, 37, 48] Operation: 60-12=48 Exploring Operation: 60/12=5, Resulting Numbers: [10, 37, 5] Generated Node #0,3: 42:[10, 37, 5] Operation: 60/12=5 Exploring Operation: 60/10=6, Resulting Numbers: [12, 37, 6] Generated Node #0,4: 42:[12, 37, 6] Operation: 60/10=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[10, 12, 23], Operations: ['60-37=23'] Exploring Operation: 10+12=22, Resulting Numbers: [23, 22] Generated Node #0,0,0: 42:[23, 22] Operation: 10+12=22 Exploring Operation: 12+23=35, Resulting Numbers: [10, 35] Generated Node #0,0,1: 42:[10, 35] Operation: 12+23=35 Exploring Operation: 23-12=11, Resulting Numbers: [10, 11] Generated Node #0,0,2: 42:[10, 11] Operation: 23-12=11 Exploring Operation: 23-10=13, Resulting Numbers: [12, 13] Generated Node #0,0,3: 42:[12, 13] Operation: 23-10=13 Exploring Operation: 12-10=2, Resulting Numbers: [23, 2] Generated Node #0,0,4: 42:[23, 2] Operation: 12-10=2 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 42:[23, 2], Operations: ['60-37=23', '12-10=2'] Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,42 unequal: No Solution Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 42:[23, 22], Operations: ['60-37=23', '10+12=22'] Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,42 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 42:[12, 13], Operations: ['60-37=23', '23-10=13'] Exploring Operation: 12*13=156, Resulting Numbers: [156] 156,42 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 12+13=25, Resulting Numbers: [25] 25,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 42:[10, 11], Operations: ['60-37=23', '23-12=11'] Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,42 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 42:[10, 35], Operations: ['60-37=23', '12+23=35'] Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,42 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,42 unequal: No Solution Exploring Operation: 10*35=350, Resulting Numbers: [350] 350,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 42:[12, 37, 6], Operations: ['60/10=6'] Exploring Operation: 12/6=2, Resulting Numbers: [37, 2] Generated Node #0,4,0: 42:[37, 2] Operation: 12/6=2 Exploring Operation: 37-12=25, Resulting Numbers: [6, 25] Generated Node #0,4,1: 42:[6, 25] Operation: 37-12=25 Exploring Operation: 12+37=49, Resulting Numbers: [6, 49] Generated Node #0,4,2: 42:[6, 49] Operation: 12+37=49 Exploring Operation: 37+6=43, Resulting Numbers: [12, 43] Generated Node #0,4,3: 42:[12, 43] Operation: 37+6=43 Exploring Operation: 12-6=6, Resulting Numbers: [37, 6] Generated Node #0,4,4: 42:[37, 6] Operation: 12-6=6 Moving to Node #0,4,3 Current State: 42:[12, 43], Operations: ['60/10=6', '37+6=43'] Exploring Operation: 12*43=516, Resulting Numbers: [516] 516,42 unequal: No Solution Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,42 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,42 unequal: No Solution Moving to Node #0,4,1 Current State: 42:[6, 25], Operations: ['60/10=6', '37-12=25'] Exploring Operation: 6*25=150, Resulting Numbers: [150] 150,42 unequal: No Solution Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,42 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,42 unequal: No Solution Moving to Node #0,4,0 Current State: 42:[37, 2], Operations: ['60/10=6', '12/6=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,42 unequal: No Solution Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,42 unequal: No Solution Moving to Node #0,4,4 Current State: 42:[37, 6], Operations: ['60/10=6', '12-6=6'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,42 unequal: No Solution Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,42 unequal: No Solution Moving to Node #0,4,2 Current State: 42:[6, 49], Operations: ['60/10=6', '12+37=49'] Exploring Operation: 6*49=294, Resulting Numbers: [294] 294,42 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,42 unequal: No Solution Exploring Operation: 6+49=55, Resulting Numbers: [55] 55,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[10, 37, 5], Operations: ['60/12=5'] Exploring Operation: 10/5=2, Resulting Numbers: [37, 2] Generated Node #0,3,0: 42:[37, 2] Operation: 10/5=2 Exploring Operation: 10-5=5, Resulting Numbers: [37, 5] Generated Node #0,3,1: 42:[37, 5] Operation: 10-5=5 Exploring Operation: 10+5=15, Resulting Numbers: [37, 15] Generated Node #0,3,2: 42:[37, 15] Operation: 10+5=15 Exploring Operation: 10+37=47, Resulting Numbers: [5, 47] Generated Node #0,3,3: 42:[5, 47] Operation: 10+37=47 Exploring Operation: 37+5=42, Resulting Numbers: [10, 42] Generated Node #0,3,4: 42:[10, 42] Operation: 37+5=42 Moving to Node #0,3,4 Current State: 42:[10, 42], Operations: ['60/12=5', '37+5=42'] Exploring Operation: 10+42=52, Resulting Numbers: [52] 52,42 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 10*42=420, Resulting Numbers: [420] 420,42 unequal: No Solution Moving to Node #0,3,0 Current State: 42:[37, 2], Operations: ['60/12=5', '10/5=2'] Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,42 unequal: No Solution Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,42 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,42 unequal: No Solution Moving to Node #0,3,1 Current State: 42:[37, 5], Operations: ['60/12=5', '10-5=5'] Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,42 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[10, 60, 12, 37], Operations: [] Exploring Operation: 60/12=5, Resulting Numbers: [10, 37, 5] Generated Node #0,3: 42:[10, 37, 5] Operation: 60/12=5 Moving to Node #0,3 Current State: 42:[10, 37, 5], Operations: ['60/12=5'] Exploring Operation: 10-5=5, Resulting Numbers: [37, 5] Generated Node #0,3,1: 42:[37, 5] Operation: 10-5=5 Moving to Node #0,3,1 Current State: 42:[37, 5], Operations: ['60/12=5', '10-5=5'] Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.945313
hs_5
mult_heuristic
[ 4, 10, 70, 54 ]
49
[ "4+10=14", "70/14=5", "54-5=49" ]
Current State: 49:[4, 10, 70, 54], Operations: [] Exploring Operation: 4+10=14, Resulting Numbers: [70, 54, 14] Generated Node #2: [70, 54, 14] from Operation: 4+10=14 Current State: 49:[70, 54, 14], Operations: ['4+10=14'] Exploring Operation: 70/14=5, Resulting Numbers: [54, 5] Generated Node #3: [54, 5] from Operation: 70/14=5 Current State: 49:[54, 5], Operations: ['4+10=14', '70/14=5'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[4, 10, 70, 54], Operations: [] Exploring Operation: 70/10=7, Resulting Numbers: [4, 54, 7] Generated Node #0,0: 49:[4, 54, 7] Operation: 70/10=7 Exploring Operation: 70-54=16, Resulting Numbers: [4, 10, 16] Generated Node #0,1: 49:[4, 10, 16] Operation: 70-54=16 Exploring Operation: 70-10=60, Resulting Numbers: [4, 54, 60] Generated Node #0,2: 49:[4, 54, 60] Operation: 70-10=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[4, 54, 7], Operations: ['70/10=7'] Exploring Operation: 54-4=50, Resulting Numbers: [7, 50] Generated Node #0,0,0: 49:[7, 50] Operation: 54-4=50 Exploring Operation: 54-7=47, Resulting Numbers: [4, 47] Generated Node #0,0,1: 49:[4, 47] Operation: 54-7=47 Exploring Operation: 4+54=58, Resulting Numbers: [7, 58] Generated Node #0,0,2: 49:[7, 58] Operation: 4+54=58 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[7, 50], Operations: ['70/10=7', '54-4=50'] Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 7*50=350, Resulting Numbers: [350] 350,49 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 49:[4, 47], Operations: ['70/10=7', '54-7=47'] Exploring Operation: 4+47=51, Resulting Numbers: [51] 51,49 unequal: No Solution Exploring Operation: 47-4=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 4*47=188, Resulting Numbers: [188] 188,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 49:[7, 58], Operations: ['70/10=7', '4+54=58'] Exploring Operation: 7+58=65, Resulting Numbers: [65] 65,49 unequal: No Solution Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,49 unequal: No Solution Exploring Operation: 7*58=406, Resulting Numbers: [406] 406,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[4, 10, 16], Operations: ['70-54=16'] Exploring Operation: 16-4=12, Resulting Numbers: [10, 12] Generated Node #0,1,0: 49:[10, 12] Operation: 16-4=12 Exploring Operation: 16/4=4, Resulting Numbers: [10, 4] Generated Node #0,1,1: 49:[10, 4] Operation: 16/4=4 Exploring Operation: 16-10=6, Resulting Numbers: [4, 6] Generated Node #0,1,2: 49:[4, 6] Operation: 16-10=6 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 49:[4, 6], Operations: ['70-54=16', '16-10=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[10, 4], Operations: ['70-54=16', '16/4=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 49:[10, 12], Operations: ['70-54=16', '16-4=12'] Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,49 unequal: No Solution Exploring Operation: 10*12=120, Resulting Numbers: [120] 120,49 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 49:[4, 54, 60], Operations: ['70-10=60'] Exploring Operation: 54-4=50, Resulting Numbers: [60, 50] Generated Node #0,2,0: 49:[60, 50] Operation: 54-4=50 Exploring Operation: 60-54=6, Resulting Numbers: [4, 6] Generated Node #0,2,1: 49:[4, 6] Operation: 60-54=6 Exploring Operation: 60-4=56, Resulting Numbers: [54, 56] Generated Node #0,2,2: 49:[54, 56] Operation: 60-4=56 Moving to Node #0,2,1 Current State: 49:[4, 6], Operations: ['70-10=60', '60-54=6'] Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[60, 50], Operations: ['70-10=60', '54-4=50'] Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 60*50=3000, Resulting Numbers: [3000] 3000,49 unequal: No Solution Exploring Operation: 60+50=110, Resulting Numbers: [110] 110,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[54, 56], Operations: ['70-10=60', '60-4=56'] Exploring Operation: 54*56=3024, Resulting Numbers: [3024] 3024,49 unequal: No Solution Exploring Operation: 54+56=110, Resulting Numbers: [110] 110,49 unequal: No Solution Exploring Operation: 56-54=2, Resulting Numbers: [2] 2,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 93, 21, 65, 6 ]
42
[ "93-21=72", "72-65=7", "6*7=42" ]
Current State: 42:[93, 21, 65, 6], Operations: [] Exploring Operation: 93-21=72, Resulting Numbers: [65, 6, 72] Generated Node #2: [65, 6, 72] from Operation: 93-21=72 Current State: 42:[65, 6, 72], Operations: ['93-21=72'] Exploring Operation: 72-65=7, Resulting Numbers: [6, 7] Generated Node #3: [6, 7] from Operation: 72-65=7 Current State: 42:[6, 7], Operations: ['93-21=72', '72-65=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[93, 21, 65, 6], Operations: [] Exploring Operation: 93-21=72, Resulting Numbers: [65, 6, 72] Generated Node #0,0: 42:[65, 6, 72] Operation: 93-21=72 Exploring Operation: 93-6=87, Resulting Numbers: [21, 65, 87] Generated Node #0,1: 42:[21, 65, 87] Operation: 93-6=87 Exploring Operation: 65-6=59, Resulting Numbers: [93, 21, 59] Generated Node #0,2: 42:[93, 21, 59] Operation: 65-6=59 Exploring Operation: 93-65=28, Resulting Numbers: [21, 6, 28] Generated Node #0,3: 42:[21, 6, 28] Operation: 93-65=28 Exploring Operation: 65-21=44, Resulting Numbers: [93, 6, 44] Generated Node #0,4: 42:[93, 6, 44] Operation: 65-21=44 Moving to Node #0,3 Current State: 42:[21, 6, 28], Operations: ['93-65=28'] Exploring Operation: 28-21=7, Resulting Numbers: [6, 7] Generated Node #0,3,0: 42:[6, 7] Operation: 28-21=7 Exploring Operation: 28-6=22, Resulting Numbers: [21, 22] Generated Node #0,3,1: 42:[21, 22] Operation: 28-6=22 Exploring Operation: 21-6=15, Resulting Numbers: [28, 15] Generated Node #0,3,2: 42:[28, 15] Operation: 21-6=15 Exploring Operation: 6+28=34, Resulting Numbers: [21, 34] Generated Node #0,3,3: 42:[21, 34] Operation: 6+28=34 Exploring Operation: 21+28=49, Resulting Numbers: [6, 49] Generated Node #0,3,4: 42:[6, 49] Operation: 21+28=49 Moving to Node #0,4 Current State: 42:[93, 6, 44], Operations: ['65-21=44'] Exploring Operation: 93-6=87, Resulting Numbers: [44, 87] Generated Node #0,4,0: 42:[44, 87] Operation: 93-6=87 Exploring Operation: 93-44=49, Resulting Numbers: [6, 49] Generated Node #0,4,1: 42:[6, 49] Operation: 93-44=49 Exploring Operation: 6+44=50, Resulting Numbers: [93, 50] Generated Node #0,4,2: 42:[93, 50] Operation: 6+44=50 Exploring Operation: 44-6=38, Resulting Numbers: [93, 38] Generated Node #0,4,3: 42:[93, 38] Operation: 44-6=38 Exploring Operation: 93+6=99, Resulting Numbers: [44, 99] Generated Node #0,4,4: 42:[44, 99] Operation: 93+6=99 Moving to Node #0,0 Current State: 42:[65, 6, 72], Operations: ['93-21=72'] Exploring Operation: 72/6=12, Resulting Numbers: [65, 12] Generated Node #0,0,0: 42:[65, 12] Operation: 72/6=12 Exploring Operation: 65-6=59, Resulting Numbers: [72, 59] Generated Node #0,0,1: 42:[72, 59] Operation: 65-6=59 Exploring Operation: 65+6=71, Resulting Numbers: [72, 71] Generated Node #0,0,2: 42:[72, 71] Operation: 65+6=71 Exploring Operation: 72-6=66, Resulting Numbers: [65, 66] Generated Node #0,0,3: 42:[65, 66] Operation: 72-6=66 Exploring Operation: 72-65=7, Resulting Numbers: [6, 7] Generated Node #0,0,4: 42:[6, 7] Operation: 72-65=7 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 42:[6, 7], Operations: ['93-21=72', '72-65=7'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[93, 21, 65, 6], Operations: [] Exploring Operation: 93-21=72, Resulting Numbers: [65, 6, 72] Generated Node #0,0: 42:[65, 6, 72] Operation: 93-21=72 Moving to Node #0,0 Current State: 42:[65, 6, 72], Operations: ['93-21=72'] Exploring Operation: 72-65=7, Resulting Numbers: [6, 7] Generated Node #0,0,4: 42:[6, 7] Operation: 72-65=7 Moving to Node #0,0,4 Current State: 42:[6, 7], Operations: ['93-21=72', '72-65=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 83, 86, 10, 44 ]
37
[ "86-83=3", "44-10=34", "3+34=37" ]
Current State: 37:[83, 86, 10, 44], Operations: [] Exploring Operation: 86-83=3, Resulting Numbers: [10, 44, 3] Generated Node #2: [10, 44, 3] from Operation: 86-83=3 Current State: 37:[10, 44, 3], Operations: ['86-83=3'] Exploring Operation: 44-10=34, Resulting Numbers: [3, 34] Generated Node #3: [3, 34] from Operation: 44-10=34 Current State: 37:[3, 34], Operations: ['86-83=3', '44-10=34'] Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[83, 86, 10, 44], Operations: [] Exploring Operation: 86-10=76, Resulting Numbers: [83, 44, 76] Generated Node #0,0: 37:[83, 44, 76] Operation: 86-10=76 Exploring Operation: 83-10=73, Resulting Numbers: [86, 44, 73] Generated Node #0,1: 37:[86, 44, 73] Operation: 83-10=73 Exploring Operation: 86-44=42, Resulting Numbers: [83, 10, 42] Generated Node #0,2: 37:[83, 10, 42] Operation: 86-44=42 Exploring Operation: 86-83=3, Resulting Numbers: [10, 44, 3] Generated Node #0,3: 37:[10, 44, 3] Operation: 86-83=3 Exploring Operation: 83-44=39, Resulting Numbers: [86, 10, 39] Generated Node #0,4: 37:[86, 10, 39] Operation: 83-44=39 Start Sub Search at level 1: Moving to Node #0,3 Current State: 37:[10, 44, 3], Operations: ['86-83=3'] Exploring Operation: 44-10=34, Resulting Numbers: [3, 34] Generated Node #0,3,0: 37:[3, 34] Operation: 44-10=34 Exploring Operation: 10+3=13, Resulting Numbers: [44, 13] Generated Node #0,3,1: 37:[44, 13] Operation: 10+3=13 Exploring Operation: 44-3=41, Resulting Numbers: [10, 41] Generated Node #0,3,2: 37:[10, 41] Operation: 44-3=41 Exploring Operation: 10-3=7, Resulting Numbers: [44, 7] Generated Node #0,3,3: 37:[44, 7] Operation: 10-3=7 Exploring Operation: 10*3=30, Resulting Numbers: [44, 30] Generated Node #0,3,4: 37:[44, 30] Operation: 10*3=30 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 37:[44, 30], Operations: ['86-83=3', '10*3=30'] Exploring Operation: 44*30=1320, Resulting Numbers: [1320] 1320,37 unequal: No Solution Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,37 unequal: No Solution Exploring Operation: 44+30=74, Resulting Numbers: [74] 74,37 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 #0,3,1 Current State: 37:[44, 13], Operations: ['86-83=3', '10+3=13'] Exploring Operation: 44+13=57, Resulting Numbers: [57] 57,37 unequal: No Solution Exploring Operation: 44*13=572, Resulting Numbers: [572] 572,37 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,37 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 #0,3,2 Current State: 37:[10, 41], Operations: ['86-83=3', '44-3=41'] Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,37 unequal: No Solution Exploring Operation: 10*41=410, Resulting Numbers: [410] 410,37 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,37 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 #0,3,0 Current State: 37:[3, 34], Operations: ['86-83=3', '44-10=34'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,37 unequal: No Solution Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[83, 86, 10, 44], Operations: [] Exploring Operation: 86-83=3, Resulting Numbers: [10, 44, 3] Generated Node #0,3: 37:[10, 44, 3] Operation: 86-83=3 Moving to Node #0,3 Current State: 37:[10, 44, 3], Operations: ['86-83=3'] Exploring Operation: 44-10=34, Resulting Numbers: [3, 34] Generated Node #0,3,0: 37:[3, 34] Operation: 44-10=34 Moving to Node #0,3,0 Current State: 37:[3, 34], Operations: ['86-83=3', '44-10=34'] Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_5
sum_heuristic
[ 38, 4, 12, 56 ]
27
[ "56-12=44", "44/4=11", "38-11=27" ]
Current State: 27:[38, 4, 12, 56], Operations: [] Exploring Operation: 56-12=44, Resulting Numbers: [38, 4, 44] Generated Node #2: [38, 4, 44] from Operation: 56-12=44 Current State: 27:[38, 4, 44], Operations: ['56-12=44'] Exploring Operation: 44/4=11, Resulting Numbers: [38, 11] Generated Node #3: [38, 11] from Operation: 44/4=11 Current State: 27:[38, 11], Operations: ['56-12=44', '44/4=11'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[38, 4, 12, 56], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [4, 12, 18] Generated Node #0,0: 27:[4, 12, 18] Operation: 56-38=18 Moving to Node #0,0 Current State: 27:[4, 12, 18], Operations: ['56-38=18'] Exploring Operation: 12+18=30, Resulting Numbers: [4, 30] Generated Node #0,0,0: 27:[4, 30] Operation: 12+18=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[4, 30], Operations: ['56-38=18', '12+18=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,27 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
[ 12, 6, 44, 31 ]
81
[ "12-6=6", "44+31=75", "6+75=81" ]
Current State: 81:[12, 6, 44, 31], Operations: [] Exploring Operation: 12-6=6, Resulting Numbers: [44, 31, 6] Generated Node #2: [44, 31, 6] from Operation: 12-6=6 Current State: 81:[44, 31, 6], Operations: ['12-6=6'] Exploring Operation: 44+31=75, Resulting Numbers: [6, 75] Generated Node #3: [6, 75] from Operation: 44+31=75 Current State: 81:[6, 75], Operations: ['12-6=6', '44+31=75'] Exploring Operation: 6+75=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[12, 6, 44, 31], Operations: [] Exploring Operation: 44-31=13, Resulting Numbers: [12, 6, 13] Generated Node #0,0: 81:[12, 6, 13] Operation: 44-31=13 Exploring Operation: 44-12=32, Resulting Numbers: [6, 31, 32] Generated Node #0,1: 81:[6, 31, 32] Operation: 44-12=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[12, 6, 13], Operations: ['44-31=13'] Exploring Operation: 12/6=2, Resulting Numbers: [13, 2] Generated Node #0,0,0: 81:[13, 2] Operation: 12/6=2 Exploring Operation: 12+13=25, Resulting Numbers: [6, 25] Generated Node #0,0,1: 81:[6, 25] Operation: 12+13=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[13, 2], Operations: ['44-31=13', '12/6=2'] Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,81 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[6, 25], Operations: ['44-31=13', '12+13=25'] Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,81 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[6, 31, 32], Operations: ['44-12=32'] Exploring Operation: 32-31=1, Resulting Numbers: [6, 1] Generated Node #0,1,0: 81:[6, 1] Operation: 32-31=1 Exploring Operation: 32-6=26, Resulting Numbers: [31, 26] Generated Node #0,1,1: 81:[31, 26] Operation: 32-6=26 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 81:[6, 1], Operations: ['44-12=32', '32-31=1'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 81:[31, 26], Operations: ['44-12=32', '32-6=26'] Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,81 unequal: No Solution Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 99, 43, 97, 28 ]
27
[ "97*28=2716", "2716-43=2673", "2673/99=27" ]
Current State: 27:[99, 43, 97, 28], Operations: [] Exploring Operation: 97*28=2716, Resulting Numbers: [99, 43, 2716] Generated Node #2: [99, 43, 2716] from Operation: 97*28=2716 Current State: 27:[99, 43, 2716], Operations: ['97*28=2716'] Exploring Operation: 2716-43=2673, Resulting Numbers: [99, 2673] Generated Node #3: [99, 2673] from Operation: 2716-43=2673 Current State: 27:[99, 2673], Operations: ['97*28=2716', '2716-43=2673'] Exploring Operation: 2673/99=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[99, 43, 97, 28], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [43, 28, 2] Generated Node #0,0: 27:[43, 28, 2] Operation: 99-97=2 Exploring Operation: 99-43=56, Resulting Numbers: [97, 28, 56] Generated Node #0,1: 27:[97, 28, 56] Operation: 99-43=56 Exploring Operation: 97-28=69, Resulting Numbers: [99, 43, 69] Generated Node #0,2: 27:[99, 43, 69] Operation: 97-28=69 Exploring Operation: 99-28=71, Resulting Numbers: [43, 97, 71] Generated Node #0,3: 27:[43, 97, 71] Operation: 99-28=71 Exploring Operation: 97-43=54, Resulting Numbers: [99, 28, 54] Generated Node #0,4: 27:[99, 28, 54] Operation: 97-43=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[43, 28, 2], Operations: ['99-97=2'] Exploring Operation: 28-2=26, Resulting Numbers: [43, 26] Generated Node #0,0,0: 27:[43, 26] Operation: 28-2=26 Exploring Operation: 28+2=30, Resulting Numbers: [43, 30] Generated Node #0,0,1: 27:[43, 30] Operation: 28+2=30 Exploring Operation: 43-28=15, Resulting Numbers: [2, 15] Generated Node #0,0,2: 27:[2, 15] Operation: 43-28=15 Exploring Operation: 43-2=41, Resulting Numbers: [28, 41] Generated Node #0,0,3: 27:[28, 41] Operation: 43-2=41 Exploring Operation: 43+2=45, Resulting Numbers: [28, 45] Generated Node #0,0,4: 27:[28, 45] Operation: 43+2=45 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[2, 15], Operations: ['99-97=2', '43-28=15'] Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 27:[28, 41], Operations: ['99-97=2', '43-2=41'] Exploring Operation: 28*41=1148, Resulting Numbers: [1148] 1148,27 unequal: No Solution Exploring Operation: 41-28=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 28+41=69, Resulting Numbers: [69] 69,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[43, 26], Operations: ['99-97=2', '28-2=26'] Exploring Operation: 43*26=1118, Resulting Numbers: [1118] 1118,27 unequal: No Solution Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 43+26=69, Resulting Numbers: [69] 69,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[43, 30], Operations: ['99-97=2', '28+2=30'] Exploring Operation: 43*30=1290, Resulting Numbers: [1290] 1290,27 unequal: No Solution Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 43+30=73, Resulting Numbers: [73] 73,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 27:[28, 45], Operations: ['99-97=2', '43+2=45'] Exploring Operation: 28+45=73, Resulting Numbers: [73] 73,27 unequal: No Solution Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 28*45=1260, Resulting Numbers: [1260] 1260,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[97, 28, 56], Operations: ['99-43=56'] Exploring Operation: 97+28=125, Resulting Numbers: [56, 125] Generated Node #0,1,0: 27:[56, 125] Operation: 97+28=125 Exploring Operation: 97-28=69, Resulting Numbers: [56, 69] Generated Node #0,1,1: 27:[56, 69] Operation: 97-28=69 Exploring Operation: 97-56=41, Resulting Numbers: [28, 41] Generated Node #0,1,2: 27:[28, 41] Operation: 97-56=41 Exploring Operation: 56/28=2, Resulting Numbers: [97, 2] Generated Node #0,1,3: 27:[97, 2] Operation: 56/28=2 Exploring Operation: 56-28=28, Resulting Numbers: [97, 28] Generated Node #0,1,4: 27:[97, 28] Operation: 56-28=28 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 27:[28, 41], Operations: ['99-43=56', '97-56=41'] Exploring Operation: 41-28=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 28+41=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 28*41=1148, Resulting Numbers: [1148] 1148,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 27:[56, 69], Operations: ['99-43=56', '97-28=69'] Exploring Operation: 56*69=3864, Resulting Numbers: [3864] 3864,27 unequal: No Solution Exploring Operation: 69-56=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 56+69=125, Resulting Numbers: [125] 125,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 27:[97, 2], Operations: ['99-43=56', '56/28=2'] Exploring Operation: 97+2=99, Resulting Numbers: [99] 99,27 unequal: No Solution Exploring Operation: 97*2=194, Resulting Numbers: [194] 194,27 unequal: No Solution Exploring Operation: 97-2=95, Resulting Numbers: [95] 95,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 27:[97, 28], Operations: ['99-43=56', '56-28=28'] Exploring Operation: 97*28=2716, Resulting Numbers: [2716] 2716,27 unequal: No Solution Exploring Operation: 97+28=125, Resulting Numbers: [125] 125,27 unequal: No Solution Exploring Operation: 97-28=69, Resulting Numbers: [69] 69,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 27:[56, 125], Operations: ['99-43=56', '97+28=125'] Exploring Operation: 125-56=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 56*125=7000, Resulting Numbers: [7000] 7000,27 unequal: No Solution Exploring Operation: 56+125=181, Resulting Numbers: [181] 181,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 27:[99, 28, 54], Operations: ['97-43=54'] Exploring Operation: 99-54=45, Resulting Numbers: [28, 45] Generated Node #0,4,0: 27:[28, 45] Operation: 99-54=45 Exploring Operation: 99+28=127, Resulting Numbers: [54, 127] Generated Node #0,4,1: 27:[54, 127] Operation: 99+28=127 Exploring Operation: 99-28=71, Resulting Numbers: [54, 71] Generated Node #0,4,2: 27:[54, 71] Operation: 99-28=71 Exploring Operation: 54-28=26, Resulting Numbers: [99, 26] Generated Node #0,4,3: 27:[99, 26] Operation: 54-28=26 Exploring Operation: 99+54=153, Resulting Numbers: [28, 153] Generated Node #0,4,4: 27:[28, 153] Operation: 99+54=153 Moving to Node #0,4,0 Current State: 27:[28, 45], Operations: ['97-43=54', '99-54=45'] Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 28*45=1260, Resulting Numbers: [1260] 1260,27 unequal: No Solution Exploring Operation: 28+45=73, Resulting Numbers: [73] 73,27 unequal: No Solution Moving to Node #0,4,2 Current State: 27:[54, 71], Operations: ['97-43=54', '99-28=71'] Exploring Operation: 54+71=125, Resulting Numbers: [125] 125,27 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 54*71=3834, Resulting Numbers: [3834] 3834,27 unequal: No Solution Moving to Node #0,4,3 Current State: 27:[99, 26], Operations: ['97-43=54', '54-28=26'] Exploring Operation: 99*26=2574, Resulting Numbers: [2574] 2574,27 unequal: No Solution Exploring Operation: 99+26=125, Resulting Numbers: [125] 125,27 unequal: No Solution Exploring Operation: 99-26=73, Resulting Numbers: [73] 73,27 unequal: No Solution Moving to Node #0,4,1 Current State: 27:[54, 127], Operations: ['97-43=54', '99+28=127'] Exploring Operation: 54+127=181, Resulting Numbers: [181] 181,27 unequal: No Solution Exploring Operation: 54*127=6858, Resulting Numbers: [6858] 6858,27 unequal: No Solution Exploring Operation: 127-54=73, Resulting Numbers: [73] 73,27 unequal: No Solution Moving to Node #0,4,4 Current State: 27:[28, 153], Operations: ['97-43=54', '99+54=153'] Exploring Operation: 28+153=181, Resulting Numbers: [181] 181,27 unequal: No Solution Exploring Operation: 153-28=125, Resulting Numbers: [125] 125,27 unequal: No Solution Exploring Operation: 28*153=4284, Resulting Numbers: [4284] 4284,27 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 #0,2 Current State: 27:[99, 43, 69], Operations: ['97-28=69'] Exploring Operation: 99+69=168, Resulting Numbers: [43, 168] Generated Node #0,2,0: 27:[43, 168] Operation: 99+69=168 Exploring Operation: 99-43=56, Resulting Numbers: [69, 56] Generated Node #0,2,1: 27:[69, 56] Operation: 99-43=56 Exploring Operation: 99+43=142, Resulting Numbers: [69, 142] Generated Node #0,2,2: 27:[69, 142] Operation: 99+43=142 Exploring Operation: 69-43=26, Resulting Numbers: [99, 26] Generated Node #0,2,3: 27:[99, 26] Operation: 69-43=26 Exploring Operation: 99-69=30, Resulting Numbers: [43, 30] Generated Node #0,2,4: 27:[43, 30] Operation: 99-69=30 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 27:[43, 30], Operations: ['97-28=69', '99-69=30'] Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 43*30=1290, Resulting Numbers: [1290] 1290,27 unequal: No Solution Exploring Operation: 43+30=73, Resulting Numbers: [73] 73,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 27:[69, 56], Operations: ['97-28=69', '99-43=56'] Exploring Operation: 69-56=13, Resulting Numbers: [13] 13,27 unequal: No Solution Exploring Operation: 69*56=3864, Resulting Numbers: [3864] 3864,27 unequal: No Solution Exploring Operation: 69+56=125, Resulting Numbers: [125] 125,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 27:[99, 26], Operations: ['97-28=69', '69-43=26'] Exploring Operation: 99*26=2574, Resulting Numbers: [2574] 2574,27 unequal: No Solution Exploring Operation: 99+26=125, Resulting Numbers: [125] 125,27 unequal: No Solution Exploring Operation: 99-26=73, Resulting Numbers: [73] 73,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 27:[43, 168], Operations: ['97-28=69', '99+69=168'] Exploring Operation: 43*168=7224, Resulting Numbers: [7224] 7224,27 unequal: No Solution Exploring Operation: 43+168=211, Resulting Numbers: [211] 211,27 unequal: No Solution Exploring Operation: 168-43=125, Resulting Numbers: [125] 125,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 27:[69, 142], Operations: ['97-28=69', '99+43=142'] Exploring Operation: 69+142=211, Resulting Numbers: [211] 211,27 unequal: No Solution Exploring Operation: 142-69=73, Resulting Numbers: [73] 73,27 unequal: No Solution Exploring Operation: 69*142=9798, Resulting Numbers: [9798] 9798,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 27:[43, 97, 71], Operations: ['99-28=71'] Exploring Operation: 43+71=114, Resulting Numbers: [97, 114] Generated Node #0,3,0: 27:[97, 114] Operation: 43+71=114 Exploring Operation: 97-43=54, Resulting Numbers: [71, 54] Generated Node #0,3,1: 27:[71, 54] Operation: 97-43=54 Exploring Operation: 97-71=26, Resulting Numbers: [43, 26] Generated Node #0,3,2: 27:[43, 26] Operation: 97-71=26 Exploring Operation: 71-43=28, Resulting Numbers: [97, 28] Generated Node #0,3,3: 27:[97, 28] Operation: 71-43=28 Exploring Operation: 43+97=140, Resulting Numbers: [71, 140] Generated Node #0,3,4: 27:[71, 140] Operation: 43+97=140 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 27:[43, 26], Operations: ['99-28=71', '97-71=26'] Exploring Operation: 43-26=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 43+26=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 43*26=1118, Resulting Numbers: [1118] 1118,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 27:[71, 54], Operations: ['99-28=71', '97-43=54'] Exploring Operation: 71*54=3834, Resulting Numbers: [3834] 3834,27 unequal: No Solution Exploring Operation: 71-54=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 71+54=125, Resulting Numbers: [125] 125,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 27:[97, 28], Operations: ['99-28=71', '71-43=28'] Exploring Operation: 97*28=2716, Resulting Numbers: [2716] 2716,27 unequal: No Solution Exploring Operation: 97-28=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 97+28=125, Resulting Numbers: [125] 125,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 27:[97, 114], Operations: ['99-28=71', '43+71=114'] Exploring Operation: 114-97=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 97*114=11058, Resulting Numbers: [11058] 11058,27 unequal: No Solution Exploring Operation: 97+114=211, Resulting Numbers: [211] 211,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 27:[71, 140], Operations: ['99-28=71', '43+97=140'] Exploring Operation: 140-71=69, Resulting Numbers: [69] 69,27 unequal: No Solution Exploring Operation: 71*140=9940, Resulting Numbers: [9940] 9940,27 unequal: No Solution Exploring Operation: 71+140=211, Resulting Numbers: [211] 211,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 5, 97, 91, 99 ]
48
[ "5+91=96", "99-97=2", "96/2=48" ]
Current State: 48:[5, 97, 91, 99], Operations: [] Exploring Operation: 5+91=96, Resulting Numbers: [97, 99, 96] Generated Node #2: [97, 99, 96] from Operation: 5+91=96 Current State: 48:[97, 99, 96], Operations: ['5+91=96'] Exploring Operation: 99-97=2, Resulting Numbers: [96, 2] Generated Node #3: [96, 2] from Operation: 99-97=2 Current State: 48:[96, 2], Operations: ['5+91=96', '99-97=2'] Exploring Operation: 96/2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[5, 97, 91, 99], Operations: [] Exploring Operation: 99-91=8, Resulting Numbers: [5, 97, 8] Generated Node #0,0: 48:[5, 97, 8] Operation: 99-91=8 Exploring Operation: 91-5=86, Resulting Numbers: [97, 99, 86] Generated Node #0,1: 48:[97, 99, 86] Operation: 91-5=86 Exploring Operation: 99-97=2, Resulting Numbers: [5, 91, 2] Generated Node #0,2: 48:[5, 91, 2] Operation: 99-97=2 Exploring Operation: 97-91=6, Resulting Numbers: [5, 99, 6] Generated Node #0,3: 48:[5, 99, 6] Operation: 97-91=6 Exploring Operation: 97-5=92, Resulting Numbers: [91, 99, 92] Generated Node #0,4: 48:[91, 99, 92] Operation: 97-5=92 Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[5, 91, 2], Operations: ['99-97=2'] Exploring Operation: 5+2=7, Resulting Numbers: [91, 7] Generated Node #0,2,0: 48:[91, 7] Operation: 5+2=7 Exploring Operation: 5*2=10, Resulting Numbers: [91, 10] Generated Node #0,2,1: 48:[91, 10] Operation: 5*2=10 Exploring Operation: 91-5=86, Resulting Numbers: [2, 86] Generated Node #0,2,2: 48:[2, 86] Operation: 91-5=86 Exploring Operation: 91-2=89, Resulting Numbers: [5, 89] Generated Node #0,2,3: 48:[5, 89] Operation: 91-2=89 Exploring Operation: 5-2=3, Resulting Numbers: [91, 3] Generated Node #0,2,4: 48:[91, 3] Operation: 5-2=3 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 48:[2, 86], Operations: ['99-97=2', '91-5=86'] Exploring Operation: 2*86=172, Resulting Numbers: [172] 172,48 unequal: No Solution Exploring Operation: 2+86=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 48:[5, 89], Operations: ['99-97=2', '91-2=89'] Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 5+89=94, Resulting Numbers: [94] 94,48 unequal: No Solution Exploring Operation: 5*89=445, Resulting Numbers: [445] 445,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 48:[91, 3], Operations: ['99-97=2', '5-2=3'] Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,48 unequal: No Solution Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 48:[91, 7], Operations: ['99-97=2', '5+2=7'] Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,48 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 48:[91, 10], Operations: ['99-97=2', '5*2=10'] Exploring Operation: 91+10=101, Resulting Numbers: [101] 101,48 unequal: No Solution Exploring Operation: 91*10=910, Resulting Numbers: [910] 910,48 unequal: No Solution Exploring Operation: 91-10=81, Resulting Numbers: [81] 81,48 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: 48:[5, 97, 8], Operations: ['99-91=8'] Exploring Operation: 8-5=3, Resulting Numbers: [97, 3] Generated Node #0,0,0: 48:[97, 3] Operation: 8-5=3 Exploring Operation: 97-5=92, Resulting Numbers: [8, 92] Generated Node #0,0,1: 48:[8, 92] Operation: 97-5=92 Exploring Operation: 5+97=102, Resulting Numbers: [8, 102] Generated Node #0,0,2: 48:[8, 102] Operation: 5+97=102 Exploring Operation: 97-8=89, Resulting Numbers: [5, 89] Generated Node #0,0,3: 48:[5, 89] Operation: 97-8=89 Exploring Operation: 5+8=13, Resulting Numbers: [97, 13] Generated Node #0,0,4: 48:[97, 13] Operation: 5+8=13 Moving to Node #0,0,3 Current State: 48:[5, 89], Operations: ['99-91=8', '97-8=89'] Exploring Operation: 5+89=94, Resulting Numbers: [94] 94,48 unequal: No Solution Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 5*89=445, Resulting Numbers: [445] 445,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[8, 92], Operations: ['99-91=8', '97-5=92'] Exploring Operation: 8+92=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 92-8=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 8*92=736, Resulting Numbers: [736] 736,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[97, 3], Operations: ['99-91=8', '8-5=3'] Exploring Operation: 97+3=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 97-3=94, Resulting Numbers: [94] 94,48 unequal: No Solution Exploring Operation: 97*3=291, Resulting Numbers: [291] 291,48 unequal: No Solution Moving to Node #0,0,4 Current State: 48:[97, 13], Operations: ['99-91=8', '5+8=13'] Exploring Operation: 97+13=110, Resulting Numbers: [110] 110,48 unequal: No Solution Exploring Operation: 97*13=1261, Resulting Numbers: [1261] 1261,48 unequal: No Solution Exploring Operation: 97-13=84, Resulting Numbers: [84] 84,48 unequal: No Solution Moving to Node #0,0,2 Current State: 48:[8, 102], Operations: ['99-91=8', '5+97=102'] Exploring Operation: 8+102=110, Resulting Numbers: [110] 110,48 unequal: No Solution Exploring Operation: 102-8=94, Resulting Numbers: [94] 94,48 unequal: No Solution Exploring Operation: 8*102=816, Resulting Numbers: [816] 816,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 48:[5, 99, 6], Operations: ['97-91=6'] Exploring Operation: 6-5=1, Resulting Numbers: [99, 1] Generated Node #0,3,0: 48:[99, 1] Operation: 6-5=1 Exploring Operation: 5+99=104, Resulting Numbers: [6, 104] Generated Node #0,3,1: 48:[6, 104] Operation: 5+99=104 Exploring Operation: 99-5=94, Resulting Numbers: [6, 94] Generated Node #0,3,2: 48:[6, 94] Operation: 99-5=94 Exploring Operation: 99-6=93, Resulting Numbers: [5, 93] Generated Node #0,3,3: 48:[5, 93] Operation: 99-6=93 Exploring Operation: 5+6=11, Resulting Numbers: [99, 11] Generated Node #0,3,4: 48:[99, 11] Operation: 5+6=11 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 48:[6, 94], Operations: ['97-91=6', '99-5=94'] Exploring Operation: 6*94=564, Resulting Numbers: [564] 564,48 unequal: No Solution Exploring Operation: 6+94=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,48 unequal: No Solution No 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: 48:[5, 93], Operations: ['97-91=6', '99-6=93'] Exploring Operation: 93-5=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 5+93=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 5*93=465, Resulting Numbers: [465] 465,48 unequal: No Solution No 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: 48:[99, 1], Operations: ['97-91=6', '6-5=1'] Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,48 unequal: No Solution Exploring Operation: 99-1=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 99+1=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 99/1=99, Resulting Numbers: [99] 99,48 unequal: No Solution No 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: 48:[99, 11], Operations: ['97-91=6', '5+6=11'] Exploring Operation: 99/11=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 99+11=110, Resulting Numbers: [110] 110,48 unequal: No Solution Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 99*11=1089, Resulting Numbers: [1089] 1089,48 unequal: No Solution No 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: 48:[6, 104], Operations: ['97-91=6', '5+99=104'] Exploring Operation: 6*104=624, Resulting Numbers: [624] 624,48 unequal: No Solution Exploring Operation: 104-6=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 6+104=110, Resulting Numbers: [110] 110,48 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: 48:[97, 99, 86], Operations: ['91-5=86'] Exploring Operation: 99-97=2, Resulting Numbers: [86, 2] Generated Node #0,1,0: 48:[86, 2] Operation: 99-97=2 Exploring Operation: 97+86=183, Resulting Numbers: [99, 183] Generated Node #0,1,1: 48:[99, 183] Operation: 97+86=183 Exploring Operation: 97+99=196, Resulting Numbers: [86, 196] Generated Node #0,1,2: 48:[86, 196] Operation: 97+99=196 Exploring Operation: 99-86=13, Resulting Numbers: [97, 13] Generated Node #0,1,3: 48:[97, 13] Operation: 99-86=13 Exploring Operation: 97-86=11, Resulting Numbers: [99, 11] Generated Node #0,1,4: 48:[99, 11] Operation: 97-86=11 Moving to Node #0,1,0 Current State: 48:[86, 2], Operations: ['91-5=86', '99-97=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 86*2=172, Resulting Numbers: [172] 172,48 unequal: No Solution Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,48 unequal: No Solution Moving to Node #0,1,3 Current State: 48:[97, 13], Operations: ['91-5=86', '99-86=13'] Exploring Operation: 97+13=110, Resulting Numbers: [110] 110,48 unequal: No Solution Exploring Operation: 97*13=1261, Resulting Numbers: [1261] 1261,48 unequal: No Solution Exploring Operation: 97-13=84, Resulting Numbers: [84] 84,48 unequal: No Solution Moving to Node #0,1,4 Current State: 48:[99, 11], Operations: ['91-5=86', '97-86=11'] Exploring Operation: 99/11=9, Resulting Numbers: [9] 9,48 unequal: No Solution Exploring Operation: 99*11=1089, Resulting Numbers: [1089] 1089,48 unequal: No Solution Exploring Operation: 99-11=88, Resulting Numbers: [88] 88,48 unequal: No Solution Exploring Operation: 99+11=110, Resulting Numbers: [110] 110,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[99, 183], Operations: ['91-5=86', '97+86=183'] Exploring Operation: 99*183=18117, Resulting Numbers: [18117] 18117,48 unequal: No Solution Exploring Operation: 99+183=282, Resulting Numbers: [282] 282,48 unequal: No Solution Exploring Operation: 183-99=84, Resulting Numbers: [84] 84,48 unequal: No Solution Moving to Node #0,1,2 Current State: 48:[86, 196], Operations: ['91-5=86', '97+99=196'] Exploring Operation: 196-86=110, Resulting Numbers: [110] 110,48 unequal: No Solution Exploring Operation: 86+196=282, Resulting Numbers: [282] 282,48 unequal: No Solution Exploring Operation: 86*196=16856, Resulting Numbers: [16856] 16856,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 48:[91, 99, 92], Operations: ['97-5=92'] Exploring Operation: 91+99=190, Resulting Numbers: [92, 190] Generated Node #0,4,0: 48:[92, 190] Operation: 91+99=190 Exploring Operation: 99-91=8, Resulting Numbers: [92, 8] Generated Node #0,4,1: 48:[92, 8] Operation: 99-91=8 Exploring Operation: 99-92=7, Resulting Numbers: [91, 7] Generated Node #0,4,2: 48:[91, 7] Operation: 99-92=7 Exploring Operation: 91+92=183, Resulting Numbers: [99, 183] Generated Node #0,4,3: 48:[99, 183] Operation: 91+92=183 Exploring Operation: 92-91=1, Resulting Numbers: [99, 1] Generated Node #0,4,4: 48:[99, 1] Operation: 92-91=1 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 48:[92, 8], Operations: ['97-5=92', '99-91=8'] Exploring Operation: 92-8=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 92+8=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 92*8=736, Resulting Numbers: [736] 736,48 unequal: No Solution No 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: 48:[91, 7], Operations: ['97-5=92', '99-92=7'] Exploring Operation: 91+7=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,48 unequal: No Solution Exploring Operation: 91*7=637, Resulting Numbers: [637] 637,48 unequal: No Solution No 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: 48:[99, 1], Operations: ['97-5=92', '92-91=1'] Exploring Operation: 99-1=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 99+1=100, Resulting Numbers: [100] 100,48 unequal: No Solution Exploring Operation: 99/1=99, Resulting Numbers: [99] 99,48 unequal: No Solution Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,48 unequal: No Solution No 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: 48:[92, 190], Operations: ['97-5=92', '91+99=190'] Exploring Operation: 92+190=282, Resulting Numbers: [282] 282,48 unequal: No Solution Exploring Operation: 190-92=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 92*190=17480, Resulting Numbers: [17480] 17480,48 unequal: No Solution No 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: 48:[99, 183], Operations: ['97-5=92', '91+92=183'] Exploring Operation: 99+183=282, Resulting Numbers: [282] 282,48 unequal: No Solution Exploring Operation: 99*183=18117, Resulting Numbers: [18117] 18117,48 unequal: No Solution Exploring Operation: 183-99=84, Resulting Numbers: [84] 84,48 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
[ 63, 66, 70, 19 ]
54
[ "66-63=3", "70-19=51", "3+51=54" ]
Current State: 54:[63, 66, 70, 19], Operations: [] Exploring Operation: 66-63=3, Resulting Numbers: [70, 19, 3] Generated Node #2: [70, 19, 3] from Operation: 66-63=3 Current State: 54:[70, 19, 3], Operations: ['66-63=3'] Exploring Operation: 70-19=51, Resulting Numbers: [3, 51] Generated Node #3: [3, 51] from Operation: 70-19=51 Current State: 54:[3, 51], Operations: ['66-63=3', '70-19=51'] Exploring Operation: 3+51=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[63, 66, 70, 19], Operations: [] Exploring Operation: 70-66=4, Resulting Numbers: [63, 19, 4] Generated Node #0,0: 54:[63, 19, 4] Operation: 70-66=4 Moving to Node #0,0 Current State: 54:[63, 19, 4], Operations: ['70-66=4'] Exploring Operation: 63-4=59, Resulting Numbers: [19, 59] Generated Node #0,0,0: 54:[19, 59] Operation: 63-4=59 Moving to Node #0,0,0 Current State: 54:[19, 59], Operations: ['70-66=4', '63-4=59'] Exploring Operation: 59-19=40, Resulting Numbers: [40] 40,54 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 22, 9, 5, 4 ]
34
[ "9+5=14", "4*14=56", "56-22=34" ]
Current State: 34:[22, 9, 5, 4], Operations: [] Exploring Operation: 9+5=14, Resulting Numbers: [22, 4, 14] Generated Node #2: [22, 4, 14] from Operation: 9+5=14 Current State: 34:[22, 4, 14], Operations: ['9+5=14'] Exploring Operation: 4*14=56, Resulting Numbers: [22, 56] Generated Node #3: [22, 56] from Operation: 4*14=56 Current State: 34:[22, 56], Operations: ['9+5=14', '4*14=56'] Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[22, 9, 5, 4], Operations: [] Exploring Operation: 22+9=31, Resulting Numbers: [5, 4, 31] Generated Node #0,0: 34:[5, 4, 31] Operation: 22+9=31 Exploring Operation: 9-5=4, Resulting Numbers: [22, 4, 4] Generated Node #0,1: 34:[22, 4, 4] Operation: 9-5=4 Exploring Operation: 22-5=17, Resulting Numbers: [9, 4, 17] Generated Node #0,2: 34:[9, 4, 17] Operation: 22-5=17 Exploring Operation: 22-9=13, Resulting Numbers: [5, 4, 13] Generated Node #0,3: 34:[5, 4, 13] Operation: 22-9=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[5, 4, 31], Operations: ['22+9=31'] Exploring Operation: 4+31=35, Resulting Numbers: [5, 35] Generated Node #0,0,0: 34:[5, 35] Operation: 4+31=35 Exploring Operation: 5-4=1, Resulting Numbers: [31, 1] Generated Node #0,0,1: 34:[31, 1] Operation: 5-4=1 Exploring Operation: 5+31=36, Resulting Numbers: [4, 36] Generated Node #0,0,2: 34:[4, 36] Operation: 5+31=36 Exploring Operation: 5*4=20, Resulting Numbers: [31, 20] Generated Node #0,0,3: 34:[31, 20] Operation: 5*4=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[5, 35], Operations: ['22+9=31', '4+31=35'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 5+35=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 5*35=175, Resulting Numbers: [175] 175,34 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,34 unequal: No Solution No 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: 34:[31, 1], Operations: ['22+9=31', '5-4=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,34 unequal: No Solution Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,34 unequal: No Solution Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,34 unequal: No Solution No 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: 34:[4, 36], Operations: ['22+9=31', '5+31=36'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,34 unequal: No Solution Exploring Operation: 4+36=40, Resulting Numbers: [40] 40,34 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,34 unequal: No Solution Exploring Operation: 4*36=144, Resulting Numbers: [144] 144,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 34:[31, 20], Operations: ['22+9=31', '5*4=20'] Exploring Operation: 31+20=51, Resulting Numbers: [51] 51,34 unequal: No Solution Exploring Operation: 31*20=620, Resulting Numbers: [620] 620,34 unequal: No Solution Exploring Operation: 31-20=11, Resulting Numbers: [11] 11,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[22, 4, 4], Operations: ['9-5=4'] Exploring Operation: 22-4=18, Resulting Numbers: [4, 18] Generated Node #0,1,0: 34:[4, 18] Operation: 22-4=18 Exploring Operation: 4*4=16, Resulting Numbers: [22, 16] Generated Node #0,1,1: 34:[22, 16] Operation: 4*4=16 Exploring Operation: 4/4=1, Resulting Numbers: [22, 1] Generated Node #0,1,2: 34:[22, 1] Operation: 4/4=1 Exploring Operation: 22-4=18, Resulting Numbers: [4, 18] Generated Node #0,1,3: 34:[4, 18] Operation: 22-4=18 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 34:[4, 18], Operations: ['9-5=4', '22-4=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,34 unequal: No Solution No 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: 34:[4, 18], Operations: ['9-5=4', '22-4=18'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,34 unequal: No Solution No 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: 34:[22, 16], Operations: ['9-5=4', '4*4=16'] Exploring Operation: 22-16=6, Resulting Numbers: [6] 6,34 unequal: No Solution Exploring Operation: 22+16=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 22*16=352, Resulting Numbers: [352] 352,34 unequal: No Solution No 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: 34:[22, 1], Operations: ['9-5=4', '4/4=1'] Exploring Operation: 22/1=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,34 unequal: No Solution Exploring Operation: 22+1=23, Resulting Numbers: [23] 23,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 34:[9, 4, 17], Operations: ['22-5=17'] Exploring Operation: 17-9=8, Resulting Numbers: [4, 8] Generated Node #0,2,0: 34:[4, 8] Operation: 17-9=8 Exploring Operation: 9-4=5, Resulting Numbers: [17, 5] Generated Node #0,2,1: 34:[17, 5] Operation: 9-4=5 Exploring Operation: 9+4=13, Resulting Numbers: [17, 13] Generated Node #0,2,2: 34:[17, 13] Operation: 9+4=13 Exploring Operation: 9*4=36, Resulting Numbers: [17, 36] Generated Node #0,2,3: 34:[17, 36] Operation: 9*4=36 Moving to Node #0,2,3 Current State: 34:[17, 36], Operations: ['22-5=17', '9*4=36'] Exploring Operation: 36-17=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 17+36=53, Resulting Numbers: [53] 53,34 unequal: No Solution Exploring Operation: 17*36=612, Resulting Numbers: [612] 612,34 unequal: No Solution Moving to Node #0,2,1 Current State: 34:[17, 5], Operations: ['22-5=17', '9-4=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,34 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[17, 13], Operations: ['22-5=17', '9+4=13'] Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,34 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[4, 8], Operations: ['22-5=17', '17-9=8'] Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 34:[5, 4, 13], Operations: ['22-9=13'] Exploring Operation: 5*4=20, Resulting Numbers: [13, 20] Generated Node #0,3,0: 34:[13, 20] Operation: 5*4=20 Exploring Operation: 4+13=17, Resulting Numbers: [5, 17] Generated Node #0,3,1: 34:[5, 17] Operation: 4+13=17 Exploring Operation: 5+13=18, Resulting Numbers: [4, 18] Generated Node #0,3,2: 34:[4, 18] Operation: 5+13=18 Exploring Operation: 5-4=1, Resulting Numbers: [13, 1] Generated Node #0,3,3: 34:[13, 1] Operation: 5-4=1 Moving to Node #0,3,1 Current State: 34:[5, 17], Operations: ['22-9=13', '4+13=17'] Exploring Operation: 5+17=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 5*17=85, Resulting Numbers: [85] 85,34 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,34 unequal: No Solution Moving to Node #0,3,2 Current State: 34:[4, 18], Operations: ['22-9=13', '5+13=18'] Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,34 unequal: No Solution Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,34 unequal: No Solution Moving to Node #0,3,3 Current State: 34:[13, 1], Operations: ['22-9=13', '5-4=1'] Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,34 unequal: No Solution Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,34 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,34 unequal: No Solution Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,34 unequal: No Solution Moving to Node #0,3,0 Current State: 34:[13, 20], Operations: ['22-9=13', '5*4=20'] Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,34 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,34 unequal: No Solution Exploring Operation: 13*20=260, Resulting Numbers: [260] 260,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 6, 21, 45, 2 ]
93
[ "6+45=51", "21*2=42", "51+42=93" ]
Current State: 93:[6, 21, 45, 2], Operations: [] Exploring Operation: 6+45=51, Resulting Numbers: [21, 2, 51] Generated Node #2: [21, 2, 51] from Operation: 6+45=51 Current State: 93:[21, 2, 51], Operations: ['6+45=51'] Exploring Operation: 21*2=42, Resulting Numbers: [51, 42] Generated Node #3: [51, 42] from Operation: 21*2=42 Current State: 93:[51, 42], Operations: ['6+45=51', '21*2=42'] Exploring Operation: 51+42=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[6, 21, 45, 2], Operations: [] Exploring Operation: 45-21=24, Resulting Numbers: [6, 2, 24] Generated Node #0,0: 93:[6, 2, 24] Operation: 45-21=24 Exploring Operation: 45*2=90, Resulting Numbers: [6, 21, 90] Generated Node #0,1: 93:[6, 21, 90] Operation: 45*2=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[6, 2, 24], Operations: ['45-21=24'] Exploring Operation: 24/6=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 93:[2, 4] Operation: 24/6=4 Exploring Operation: 6+24=30, Resulting Numbers: [2, 30] Generated Node #0,0,1: 93:[2, 30] Operation: 6+24=30 Moving to Node #0,0,0 Current State: 93:[2, 4], Operations: ['45-21=24', '24/6=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[2, 30], Operations: ['45-21=24', '6+24=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,93 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[6, 21, 90], Operations: ['45*2=90'] Exploring Operation: 6+90=96, Resulting Numbers: [21, 96] Generated Node #0,1,0: 93:[21, 96] Operation: 6+90=96 Exploring Operation: 6+21=27, Resulting Numbers: [90, 27] Generated Node #0,1,1: 93:[90, 27] Operation: 6+21=27 Moving to Node #0,1,1 Current State: 93:[90, 27], Operations: ['45*2=90', '6+21=27'] Exploring Operation: 90+27=117, Resulting Numbers: [117] 117,93 unequal: No Solution Exploring Operation: 90-27=63, Resulting Numbers: [63] 63,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[21, 96], Operations: ['45*2=90', '6+90=96'] Exploring Operation: 21+96=117, Resulting Numbers: [117] 117,93 unequal: No Solution Exploring Operation: 96-21=75, Resulting Numbers: [75] 75,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 7, 85, 11, 67 ]
59
[ "7*11=77", "85-67=18", "77-18=59" ]
Current State: 59:[7, 85, 11, 67], Operations: [] Exploring Operation: 7*11=77, Resulting Numbers: [85, 67, 77] Generated Node #2: [85, 67, 77] from Operation: 7*11=77 Current State: 59:[85, 67, 77], Operations: ['7*11=77'] Exploring Operation: 85-67=18, Resulting Numbers: [77, 18] Generated Node #3: [77, 18] from Operation: 85-67=18 Current State: 59:[77, 18], Operations: ['7*11=77', '85-67=18'] Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[7, 85, 11, 67], Operations: [] Exploring Operation: 7+11=18, Resulting Numbers: [85, 67, 18] Generated Node #0,0: 59:[85, 67, 18] Operation: 7+11=18 Exploring Operation: 85-7=78, Resulting Numbers: [11, 67, 78] Generated Node #0,1: 59:[11, 67, 78] Operation: 85-7=78 Exploring Operation: 67-7=60, Resulting Numbers: [85, 11, 60] Generated Node #0,2: 59:[85, 11, 60] Operation: 67-7=60 Exploring Operation: 85-11=74, Resulting Numbers: [7, 67, 74] Generated Node #0,3: 59:[7, 67, 74] Operation: 85-11=74 Exploring Operation: 7*11=77, Resulting Numbers: [85, 67, 77] Generated Node #0,4: 59:[85, 67, 77] Operation: 7*11=77 Start Sub Search at level 1: Moving to Node #0,4 Current State: 59:[85, 67, 77], Operations: ['7*11=77'] Exploring Operation: 85+77=162, Resulting Numbers: [67, 162] Generated Node #0,4,0: 59:[67, 162] Operation: 85+77=162 Exploring Operation: 85-67=18, Resulting Numbers: [77, 18] Generated Node #0,4,1: 59:[77, 18] Operation: 85-67=18 Exploring Operation: 77-67=10, Resulting Numbers: [85, 10] Generated Node #0,4,2: 59:[85, 10] Operation: 77-67=10 Exploring Operation: 85-77=8, Resulting Numbers: [67, 8] Generated Node #0,4,3: 59:[67, 8] Operation: 85-77=8 Exploring Operation: 85+67=152, Resulting Numbers: [77, 152] Generated Node #0,4,4: 59:[77, 152] Operation: 85+67=152 Moving to Node #0,4,1 Current State: 59:[77, 18], Operations: ['7*11=77', '85-67=18'] Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[7, 85, 11, 67], Operations: [] Exploring Operation: 7*11=77, Resulting Numbers: [85, 67, 77] Generated Node #0,4: 59:[85, 67, 77] Operation: 7*11=77 Moving to Node #0,4 Current State: 59:[85, 67, 77], Operations: ['7*11=77'] Exploring Operation: 85-67=18, Resulting Numbers: [77, 18] Generated Node #0,4,1: 59:[77, 18] Operation: 85-67=18 Moving to Node #0,4,1 Current State: 59:[77, 18], Operations: ['7*11=77', '85-67=18'] Exploring Operation: 77-18=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 97, 63, 2, 48 ]
62
[ "97-63=34", "2*48=96", "96-34=62" ]
Current State: 62:[97, 63, 2, 48], Operations: [] Exploring Operation: 97-63=34, Resulting Numbers: [2, 48, 34] Generated Node #2: [2, 48, 34] from Operation: 97-63=34 Current State: 62:[2, 48, 34], Operations: ['97-63=34'] Exploring Operation: 2*48=96, Resulting Numbers: [34, 96] Generated Node #3: [34, 96] from Operation: 2*48=96 Current State: 62:[34, 96], Operations: ['97-63=34', '2*48=96'] Exploring Operation: 96-34=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[97, 63, 2, 48], Operations: [] Exploring Operation: 48/2=24, Resulting Numbers: [97, 63, 24] Generated Node #0,0: 62:[97, 63, 24] Operation: 48/2=24 Exploring Operation: 97-63=34, Resulting Numbers: [2, 48, 34] Generated Node #0,1: 62:[2, 48, 34] Operation: 97-63=34 Exploring Operation: 97-48=49, Resulting Numbers: [63, 2, 49] Generated Node #0,2: 62:[63, 2, 49] Operation: 97-48=49 Moving to Node #0,2 Current State: 62:[63, 2, 49], Operations: ['97-48=49'] Exploring Operation: 63-2=61, Resulting Numbers: [49, 61] Generated Node #0,2,0: 62:[49, 61] Operation: 63-2=61 Exploring Operation: 2+49=51, Resulting Numbers: [63, 51] Generated Node #0,2,1: 62:[63, 51] Operation: 2+49=51 Exploring Operation: 63-49=14, Resulting Numbers: [2, 14] Generated Node #0,2,2: 62:[2, 14] Operation: 63-49=14 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 62:[63, 51], Operations: ['97-48=49', '2+49=51'] Exploring Operation: 63*51=3213, Resulting Numbers: [3213] 3213,62 unequal: No Solution Exploring Operation: 63-51=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 63+51=114, Resulting Numbers: [114] 114,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 62:[2, 14], Operations: ['97-48=49', '63-49=14'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,62 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 62:[49, 61], Operations: ['97-48=49', '63-2=61'] Exploring Operation: 49+61=110, Resulting Numbers: [110] 110,62 unequal: No Solution Exploring Operation: 49*61=2989, Resulting Numbers: [2989] 2989,62 unequal: No Solution Exploring Operation: 61-49=12, Resulting Numbers: [12] 12,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[2, 48, 34], Operations: ['97-63=34'] Exploring Operation: 48/2=24, Resulting Numbers: [34, 24] Generated Node #0,1,0: 62:[34, 24] Operation: 48/2=24 Exploring Operation: 48-34=14, Resulting Numbers: [2, 14] Generated Node #0,1,1: 62:[2, 14] Operation: 48-34=14 Exploring Operation: 2+48=50, Resulting Numbers: [34, 50] Generated Node #0,1,2: 62:[34, 50] Operation: 2+48=50 Moving to Node #0,0 Current State: 62:[97, 63, 24], Operations: ['48/2=24'] Exploring Operation: 97-63=34, Resulting Numbers: [24, 34] Generated Node #0,0,0: 62:[24, 34] Operation: 97-63=34 Exploring Operation: 97-24=73, Resulting Numbers: [63, 73] Generated Node #0,0,1: 62:[63, 73] Operation: 97-24=73 Exploring Operation: 63-24=39, Resulting Numbers: [97, 39] Generated Node #0,0,2: 62:[97, 39] Operation: 63-24=39 Moving to Node #0,1,0 Current State: 62:[34, 24], Operations: ['97-63=34', '48/2=24'] Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,62 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 34*24=816, Resulting Numbers: [816] 816,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[24, 34], Operations: ['48/2=24', '97-63=34'] Exploring Operation: 24*34=816, Resulting Numbers: [816] 816,62 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 24+34=58, Resulting Numbers: [58] 58,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[63, 73], Operations: ['48/2=24', '97-24=73'] Exploring Operation: 63*73=4599, Resulting Numbers: [4599] 4599,62 unequal: No Solution Exploring Operation: 63+73=136, Resulting Numbers: [136] 136,62 unequal: No Solution Exploring Operation: 73-63=10, Resulting Numbers: [10] 10,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[2, 14], Operations: ['97-63=34', '48-34=14'] Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,62 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[34, 50], Operations: ['97-63=34', '2+48=50'] Exploring Operation: 34+50=84, Resulting Numbers: [84] 84,62 unequal: No Solution Exploring Operation: 34*50=1700, Resulting Numbers: [1700] 1700,62 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[97, 39], Operations: ['48/2=24', '63-24=39'] Exploring Operation: 97-39=58, Resulting Numbers: [58] 58,62 unequal: No Solution Exploring Operation: 97+39=136, Resulting Numbers: [136] 136,62 unequal: No Solution Exploring Operation: 97*39=3783, Resulting Numbers: [3783] 3783,62 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 57, 57, 34, 94 ]
94
[ "57-57=0", "34*0=0", "94+0=94" ]
Current State: 94:[57, 57, 34, 94], Operations: [] Exploring Operation: 57-57=0, Resulting Numbers: [34, 94, 0] Generated Node #2: [34, 94, 0] from Operation: 57-57=0 Current State: 94:[34, 94, 0], Operations: ['57-57=0'] Exploring Operation: 34*0=0, Resulting Numbers: [94, 0] Generated Node #3: [94, 0] from Operation: 34*0=0 Current State: 94:[94, 0], Operations: ['57-57=0', '34*0=0'] Exploring Operation: 94+0=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[57, 57, 34, 94], Operations: [] Exploring Operation: 57+34=91, Resulting Numbers: [57, 94, 91] Generated Node #0,0: 94:[57, 94, 91] Operation: 57+34=91 Exploring Operation: 57/57=1, Resulting Numbers: [34, 94, 1] Generated Node #0,1: 94:[34, 94, 1] Operation: 57/57=1 Exploring Operation: 57-57=0, Resulting Numbers: [34, 94, 0] Generated Node #0,2: 94:[34, 94, 0] Operation: 57-57=0 Exploring Operation: 57-34=23, Resulting Numbers: [57, 94, 23] Generated Node #0,3: 94:[57, 94, 23] Operation: 57-34=23 Exploring Operation: 57+34=91, Resulting Numbers: [57, 94, 91] Generated Node #0,4: 94:[57, 94, 91] Operation: 57+34=91 Moving to Node #0,0 Current State: 94:[57, 94, 91], Operations: ['57+34=91'] Exploring Operation: 91-57=34, Resulting Numbers: [94, 34] Generated Node #0,0,0: 94:[94, 34] Operation: 91-57=34 Exploring Operation: 94-57=37, Resulting Numbers: [91, 37] Generated Node #0,0,1: 94:[91, 37] Operation: 94-57=37 Exploring Operation: 94-91=3, Resulting Numbers: [57, 3] Generated Node #0,0,2: 94:[57, 3] Operation: 94-91=3 Exploring Operation: 57+94=151, Resulting Numbers: [91, 151] Generated Node #0,0,3: 94:[91, 151] Operation: 57+94=151 Exploring Operation: 57+91=148, Resulting Numbers: [94, 148] Generated Node #0,0,4: 94:[94, 148] Operation: 57+91=148 Moving to Node #0,4 Current State: 94:[57, 94, 91], Operations: ['57+34=91'] Exploring Operation: 57+94=151, Resulting Numbers: [91, 151] Generated Node #0,4,0: 94:[91, 151] Operation: 57+94=151 Exploring Operation: 57+91=148, Resulting Numbers: [94, 148] Generated Node #0,4,1: 94:[94, 148] Operation: 57+91=148 Exploring Operation: 94-57=37, Resulting Numbers: [91, 37] Generated Node #0,4,2: 94:[91, 37] Operation: 94-57=37 Exploring Operation: 94-91=3, Resulting Numbers: [57, 3] Generated Node #0,4,3: 94:[57, 3] Operation: 94-91=3 Exploring Operation: 91-57=34, Resulting Numbers: [94, 34] Generated Node #0,4,4: 94:[94, 34] Operation: 91-57=34 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 94:[57, 3], Operations: ['57+34=91', '94-91=3'] Exploring Operation: 57+3=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,94 unequal: No Solution Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,94 unequal: No Solution Exploring Operation: 57*3=171, Resulting Numbers: [171] 171,94 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:[91, 37], Operations: ['57+34=91', '94-57=37'] Exploring Operation: 91+37=128, Resulting Numbers: [128] 128,94 unequal: No Solution Exploring Operation: 91*37=3367, Resulting Numbers: [3367] 3367,94 unequal: No Solution Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,94 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:[94, 34], Operations: ['57+34=91', '91-57=34'] Exploring Operation: 94+34=128, Resulting Numbers: [128] 128,94 unequal: No Solution Exploring Operation: 94*34=3196, Resulting Numbers: [3196] 3196,94 unequal: No Solution Exploring Operation: 94-34=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 #0,4,1 Current State: 94:[94, 148], Operations: ['57+34=91', '57+91=148'] Exploring Operation: 94*148=13912, Resulting Numbers: [13912] 13912,94 unequal: No Solution Exploring Operation: 94+148=242, Resulting Numbers: [242] 242,94 unequal: No Solution Exploring Operation: 148-94=54, Resulting Numbers: [54] 54,94 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 #0,4,0 Current State: 94:[91, 151], Operations: ['57+34=91', '57+94=151'] Exploring Operation: 91*151=13741, Resulting Numbers: [13741] 13741,94 unequal: No Solution Exploring Operation: 91+151=242, Resulting Numbers: [242] 242,94 unequal: No Solution Exploring Operation: 151-91=60, Resulting Numbers: [60] 60,94 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:[34, 94, 1], Operations: ['57/57=1'] Exploring Operation: 34/1=34, Resulting Numbers: [94, 34] Generated Node #0,1,0: 94:[94, 34] Operation: 34/1=34 Exploring Operation: 94/1=94, Resulting Numbers: [34, 94] Generated Node #0,1,1: 94:[34, 94] Operation: 94/1=94 Exploring Operation: 34+1=35, Resulting Numbers: [94, 35] Generated Node #0,1,2: 94:[94, 35] Operation: 34+1=35 Exploring Operation: 34*1=34, Resulting Numbers: [94, 34] Generated Node #0,1,3: 94:[94, 34] Operation: 34*1=34 Exploring Operation: 94*1=94, Resulting Numbers: [34, 94] Generated Node #0,1,4: 94:[34, 94] Operation: 94*1=94 Moving to Node #0,2 Current State: 94:[34, 94, 0], Operations: ['57-57=0'] Exploring Operation: 94+0=94, Resulting Numbers: [34, 94] Generated Node #0,2,0: 94:[34, 94] Operation: 94+0=94 Exploring Operation: 34*0=0, Resulting Numbers: [94, 0] Generated Node #0,2,1: 94:[94, 0] Operation: 34*0=0 Exploring Operation: 34+0=34, Resulting Numbers: [94, 34] Generated Node #0,2,2: 94:[94, 34] Operation: 34+0=34 Exploring Operation: 34-0=34, Resulting Numbers: [94, 34] Generated Node #0,2,3: 94:[94, 34] Operation: 34-0=34 Exploring Operation: 94-0=94, Resulting Numbers: [34, 94] Generated Node #0,2,4: 94:[34, 94] Operation: 94-0=94 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[94, 0], Operations: ['57-57=0', '34*0=0'] Exploring Operation: 94+0=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[57, 57, 34, 94], Operations: [] Exploring Operation: 57-57=0, Resulting Numbers: [34, 94, 0] Generated Node #0,2: 94:[34, 94, 0] Operation: 57-57=0 Moving to Node #0,2 Current State: 94:[34, 94, 0], Operations: ['57-57=0'] Exploring Operation: 34*0=0, Resulting Numbers: [94, 0] Generated Node #0,2,1: 94:[94, 0] Operation: 34*0=0 Moving to Node #0,2,1 Current State: 94:[94, 0], Operations: ['57-57=0', '34*0=0'] Exploring Operation: 94+0=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_5
mult_heuristic
[ 23, 2, 25, 37 ]
37
[ "23+2=25", "25+37=62", "62-25=37" ]
Current State: 37:[23, 2, 25, 37], Operations: [] Exploring Operation: 23+2=25, Resulting Numbers: [25, 37, 25] Generated Node #2: [25, 37, 25] from Operation: 23+2=25 Current State: 37:[25, 37, 25], Operations: ['23+2=25'] Exploring Operation: 25+37=62, Resulting Numbers: [62] 62,37 equal: Goal Reached Exploring Operation: 62-25=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[23, 2, 25, 37], Operations: [] Exploring Operation: 23*2=46, Resulting Numbers: [25, 37, 46] Generated Node #0,0: 37:[25, 37, 46] Operation: 23*2=46 Moving to Node #0,0 Current State: 37:[25, 37, 46], Operations: ['23*2=46'] Exploring Operation: 46-25=21, Resulting Numbers: [37, 21] Generated Node #0,0,0: 37:[37, 21] Operation: 46-25=21 Moving to Node #0,0,0 Current State: 37:[37, 21], Operations: ['23*2=46', '46-25=21'] Exploring Operation: 37+21=58, Resulting Numbers: [58] 58,37 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 34, 72, 99, 67 ]
70
[ "72-34=38", "99-67=32", "38+32=70" ]
Current State: 70:[34, 72, 99, 67], Operations: [] Exploring Operation: 72-34=38, Resulting Numbers: [99, 67, 38] Generated Node #2: [99, 67, 38] from Operation: 72-34=38 Current State: 70:[99, 67, 38], Operations: ['72-34=38'] Exploring Operation: 99-67=32, Resulting Numbers: [38, 32] Generated Node #3: [38, 32] from Operation: 99-67=32 Current State: 70:[38, 32], Operations: ['72-34=38', '99-67=32'] Exploring Operation: 38+32=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[34, 72, 99, 67], Operations: [] Exploring Operation: 99-72=27, Resulting Numbers: [34, 67, 27] Generated Node #0,0: 70:[34, 67, 27] Operation: 99-72=27 Exploring Operation: 67-34=33, Resulting Numbers: [72, 99, 33] Generated Node #0,1: 70:[72, 99, 33] Operation: 67-34=33 Exploring Operation: 99-67=32, Resulting Numbers: [34, 72, 32] Generated Node #0,2: 70:[34, 72, 32] Operation: 99-67=32 Exploring Operation: 72-67=5, Resulting Numbers: [34, 99, 5] Generated Node #0,3: 70:[34, 99, 5] Operation: 72-67=5 Exploring Operation: 99-34=65, Resulting Numbers: [72, 67, 65] Generated Node #0,4: 70:[72, 67, 65] Operation: 99-34=65 Moving to Node #0,2 Current State: 70:[34, 72, 32], Operations: ['99-67=32'] Exploring Operation: 34-32=2, Resulting Numbers: [72, 2] Generated Node #0,2,0: 70:[72, 2] Operation: 34-32=2 Exploring Operation: 34+32=66, Resulting Numbers: [72, 66] Generated Node #0,2,1: 70:[72, 66] Operation: 34+32=66 Exploring Operation: 72+32=104, Resulting Numbers: [34, 104] Generated Node #0,2,2: 70:[34, 104] Operation: 72+32=104 Exploring Operation: 72-34=38, Resulting Numbers: [32, 38] Generated Node #0,2,3: 70:[32, 38] Operation: 72-34=38 Exploring Operation: 72-32=40, Resulting Numbers: [34, 40] Generated Node #0,2,4: 70:[34, 40] Operation: 72-32=40 Moving to Node #0,4 Current State: 70:[72, 67, 65], Operations: ['99-34=65'] Exploring Operation: 67+65=132, Resulting Numbers: [72, 132] Generated Node #0,4,0: 70:[72, 132] Operation: 67+65=132 Exploring Operation: 72-65=7, Resulting Numbers: [67, 7] Generated Node #0,4,1: 70:[67, 7] Operation: 72-65=7 Exploring Operation: 72-67=5, Resulting Numbers: [65, 5] Generated Node #0,4,2: 70:[65, 5] Operation: 72-67=5 Exploring Operation: 67-65=2, Resulting Numbers: [72, 2] Generated Node #0,4,3: 70:[72, 2] Operation: 67-65=2 Exploring Operation: 72+65=137, Resulting Numbers: [67, 137] Generated Node #0,4,4: 70:[67, 137] Operation: 72+65=137 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 70:[72, 2], Operations: ['99-34=65', '67-65=2'] Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[34, 72, 99, 67], Operations: [] Exploring Operation: 99-34=65, Resulting Numbers: [72, 67, 65] Generated Node #0,4: 70:[72, 67, 65] Operation: 99-34=65 Moving to Node #0,4 Current State: 70:[72, 67, 65], Operations: ['99-34=65'] Exploring Operation: 67-65=2, Resulting Numbers: [72, 2] Generated Node #0,4,3: 70:[72, 2] Operation: 67-65=2 Moving to Node #0,4,3 Current State: 70:[72, 2], Operations: ['99-34=65', '67-65=2'] Exploring Operation: 72-2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 75, 52, 48, 62 ]
17
[ "75+52=127", "48+62=110", "127-110=17" ]
Current State: 17:[75, 52, 48, 62], Operations: [] Exploring Operation: 75+52=127, Resulting Numbers: [48, 62, 127] Generated Node #2: [48, 62, 127] from Operation: 75+52=127 Current State: 17:[48, 62, 127], Operations: ['75+52=127'] Exploring Operation: 48+62=110, Resulting Numbers: [127, 110] Generated Node #3: [127, 110] from Operation: 48+62=110 Current State: 17:[127, 110], Operations: ['75+52=127', '48+62=110'] Exploring Operation: 127-110=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[75, 52, 48, 62], Operations: [] Exploring Operation: 75-62=13, Resulting Numbers: [52, 48, 13] Generated Node #0,0: 17:[52, 48, 13] Operation: 75-62=13 Exploring Operation: 75-52=23, Resulting Numbers: [48, 62, 23] Generated Node #0,1: 17:[48, 62, 23] Operation: 75-52=23 Moving to Node #0,0 Current State: 17:[52, 48, 13], Operations: ['75-62=13'] Exploring Operation: 52/13=4, Resulting Numbers: [48, 4] Generated Node #0,0,0: 17:[48, 4] Operation: 52/13=4 Exploring Operation: 52-48=4, Resulting Numbers: [13, 4] Generated Node #0,0,1: 17:[13, 4] Operation: 52-48=4 Moving to Node #0,1 Current State: 17:[48, 62, 23], Operations: ['75-52=23'] Exploring Operation: 62-48=14, Resulting Numbers: [23, 14] Generated Node #0,1,0: 17:[23, 14] Operation: 62-48=14 Exploring Operation: 48-23=25, Resulting Numbers: [62, 25] Generated Node #0,1,1: 17:[62, 25] Operation: 48-23=25 Moving to Node #0,1,0 Current State: 17:[23, 14], Operations: ['75-52=23', '62-48=14'] Exploring Operation: 23-14=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 23+14=37, Resulting Numbers: [37] 37,17 unequal: No Solution Moving to Node #0,0,1 Current State: 17:[13, 4], Operations: ['75-62=13', '52-48=4'] Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[75, 52, 48, 62], Operations: [] Exploring Operation: 75-62=13, Resulting Numbers: [52, 48, 13] Generated Node #0,0: 17:[52, 48, 13] Operation: 75-62=13 Moving to Node #0,0 Current State: 17:[52, 48, 13], Operations: ['75-62=13'] Exploring Operation: 52-48=4, Resulting Numbers: [13, 4] Generated Node #0,0,1: 17:[13, 4] Operation: 52-48=4 Moving to Node #0,0,1 Current State: 17:[13, 4], Operations: ['75-62=13', '52-48=4'] Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
0.988715
hs_2
mult_heuristic
[ 17, 75, 51, 34 ]
73
[ "17+51=68", "68/34=2", "75-2=73" ]
Current State: 73:[17, 75, 51, 34], Operations: [] Exploring Operation: 17+51=68, Resulting Numbers: [75, 34, 68] Generated Node #2: [75, 34, 68] from Operation: 17+51=68 Current State: 73:[75, 34, 68], Operations: ['17+51=68'] Exploring Operation: 68/34=2, Resulting Numbers: [75, 2] Generated Node #3: [75, 2] from Operation: 68/34=2 Current State: 73:[75, 2], Operations: ['17+51=68', '68/34=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[17, 75, 51, 34], Operations: [] Exploring Operation: 17+51=68, Resulting Numbers: [75, 34, 68] Generated Node #0,0: 73:[75, 34, 68] Operation: 17+51=68 Exploring Operation: 17+34=51, Resulting Numbers: [75, 51, 51] Generated Node #0,1: 73:[75, 51, 51] Operation: 17+34=51 Exploring Operation: 51+34=85, Resulting Numbers: [17, 75, 85] Generated Node #0,2: 73:[17, 75, 85] Operation: 51+34=85 Moving to Node #0,0 Current State: 73:[75, 34, 68], Operations: ['17+51=68'] Exploring Operation: 75+34=109, Resulting Numbers: [68, 109] Generated Node #0,0,0: 73:[68, 109] Operation: 75+34=109 Exploring Operation: 34+68=102, Resulting Numbers: [75, 102] Generated Node #0,0,1: 73:[75, 102] Operation: 34+68=102 Exploring Operation: 75-34=41, Resulting Numbers: [68, 41] Generated Node #0,0,2: 73:[68, 41] Operation: 75-34=41 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 73:[75, 102], Operations: ['17+51=68', '34+68=102'] Exploring Operation: 75+102=177, Resulting Numbers: [177] 177,73 unequal: No Solution Exploring Operation: 75*102=7650, Resulting Numbers: [7650] 7650,73 unequal: No Solution Exploring Operation: 102-75=27, Resulting Numbers: [27] 27,73 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 #0,0,2 Current State: 73:[68, 41], Operations: ['17+51=68', '75-34=41'] Exploring Operation: 68*41=2788, Resulting Numbers: [2788] 2788,73 unequal: No Solution Exploring Operation: 68-41=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 68+41=109, Resulting Numbers: [109] 109,73 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 #0,0,0 Current State: 73:[68, 109], Operations: ['17+51=68', '75+34=109'] Exploring Operation: 68*109=7412, Resulting Numbers: [7412] 7412,73 unequal: No Solution Exploring Operation: 68+109=177, Resulting Numbers: [177] 177,73 unequal: No Solution Exploring Operation: 109-68=41, Resulting Numbers: [41] 41,73 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: 73:[75, 51, 51], Operations: ['17+34=51'] Exploring Operation: 75-51=24, Resulting Numbers: [51, 24] Generated Node #0,1,0: 73:[51, 24] Operation: 75-51=24 Exploring Operation: 51+51=102, Resulting Numbers: [75, 102] Generated Node #0,1,1: 73:[75, 102] Operation: 51+51=102 Exploring Operation: 75-51=24, Resulting Numbers: [51, 24] Generated Node #0,1,2: 73:[51, 24] Operation: 75-51=24 Moving to Node #0,2 Current State: 73:[17, 75, 85], Operations: ['51+34=85'] Exploring Operation: 17+75=92, Resulting Numbers: [85, 92] Generated Node #0,2,0: 73:[85, 92] Operation: 17+75=92 Exploring Operation: 75-17=58, Resulting Numbers: [85, 58] Generated Node #0,2,1: 73:[85, 58] Operation: 75-17=58 Exploring Operation: 85-17=68, Resulting Numbers: [75, 68] Generated Node #0,2,2: 73:[75, 68] Operation: 85-17=68 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 73:[75, 68], Operations: ['51+34=85', '85-17=68'] Exploring Operation: 75+68=143, Resulting Numbers: [143] 143,73 unequal: No Solution Exploring Operation: 75-68=7, Resulting Numbers: [7] 7,73 unequal: No Solution Exploring Operation: 75*68=5100, Resulting Numbers: [5100] 5100,73 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 #0,2,1 Current State: 73:[85, 58], Operations: ['51+34=85', '75-17=58'] Exploring Operation: 85+58=143, Resulting Numbers: [143] 143,73 unequal: No Solution Exploring Operation: 85*58=4930, Resulting Numbers: [4930] 4930,73 unequal: No Solution Exploring Operation: 85-58=27, Resulting Numbers: [27] 27,73 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 #0,2,0 Current State: 73:[85, 92], Operations: ['51+34=85', '17+75=92'] Exploring Operation: 92-85=7, Resulting Numbers: [7] 7,73 unequal: No Solution Exploring Operation: 85*92=7820, Resulting Numbers: [7820] 7820,73 unequal: No Solution Exploring Operation: 85+92=177, Resulting Numbers: [177] 177,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 73:[75, 102], Operations: ['17+34=51', '51+51=102'] Exploring Operation: 102-75=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 75*102=7650, Resulting Numbers: [7650] 7650,73 unequal: No Solution Exploring Operation: 75+102=177, Resulting Numbers: [177] 177,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[51, 24], Operations: ['17+34=51', '75-51=24'] Exploring Operation: 51*24=1224, Resulting Numbers: [1224] 1224,73 unequal: No Solution Exploring Operation: 51-24=27, Resulting Numbers: [27] 27,73 unequal: No Solution Exploring Operation: 51+24=75, Resulting Numbers: [75] 75,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[51, 24], Operations: ['17+34=51', '75-51=24'] Exploring Operation: 51*24=1224, Resulting Numbers: [1224] 1224,73 unequal: No Solution Exploring Operation: 51+24=75, Resulting Numbers: [75] 75,73 unequal: No Solution Exploring Operation: 51-24=27, Resulting Numbers: [27] 27,73 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 98, 22, 1, 8 ]
77
[ "98+1=99", "22*8=176", "176-99=77" ]
Current State: 77:[98, 22, 1, 8], Operations: [] Exploring Operation: 98+1=99, Resulting Numbers: [22, 8, 99] Generated Node #2: [22, 8, 99] from Operation: 98+1=99 Current State: 77:[22, 8, 99], Operations: ['98+1=99'] Exploring Operation: 22*8=176, Resulting Numbers: [99, 176] Generated Node #3: [99, 176] from Operation: 22*8=176 Current State: 77:[99, 176], Operations: ['98+1=99', '22*8=176'] Exploring Operation: 176-99=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[98, 22, 1, 8], Operations: [] Exploring Operation: 98-22=76, Resulting Numbers: [1, 8, 76] Generated Node #0,0: 77:[1, 8, 76] Operation: 98-22=76 Exploring Operation: 22-8=14, Resulting Numbers: [98, 1, 14] Generated Node #0,1: 77:[98, 1, 14] Operation: 22-8=14 Exploring Operation: 98-1=97, Resulting Numbers: [22, 8, 97] Generated Node #0,2: 77:[22, 8, 97] Operation: 98-1=97 Exploring Operation: 98-8=90, Resulting Numbers: [22, 1, 90] Generated Node #0,3: 77:[22, 1, 90] Operation: 98-8=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[1, 8, 76], Operations: ['98-22=76'] Exploring Operation: 8/1=8, Resulting Numbers: [76, 8] Generated Node #0,0,0: 77:[76, 8] Operation: 8/1=8 Exploring Operation: 8-1=7, Resulting Numbers: [76, 7] Generated Node #0,0,1: 77:[76, 7] Operation: 8-1=7 Exploring Operation: 1+76=77, Resulting Numbers: [8, 77] Generated Node #0,0,2: 77:[8, 77] Operation: 1+76=77 Exploring Operation: 1*8=8, Resulting Numbers: [76, 8] Generated Node #0,0,3: 77:[76, 8] Operation: 1*8=8 Moving to Node #0,0,1 Current State: 77:[76, 7], Operations: ['98-22=76', '8-1=7'] Exploring Operation: 76+7=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 76-7=69, Resulting Numbers: [69] 69,77 unequal: No Solution Exploring Operation: 76*7=532, Resulting Numbers: [532] 532,77 unequal: No Solution Moving to Node #0,0,2 Current State: 77:[8, 77], Operations: ['98-22=76', '1+76=77'] Exploring Operation: 8*77=616, Resulting Numbers: [616] 616,77 unequal: No Solution Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,77 unequal: No Solution Exploring Operation: 8+77=85, Resulting Numbers: [85] 85,77 unequal: No Solution Moving to Node #0,0,3 Current State: 77:[76, 8], Operations: ['98-22=76', '1*8=8'] Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 76*8=608, Resulting Numbers: [608] 608,77 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[76, 8], Operations: ['98-22=76', '8/1=8'] Exploring Operation: 76*8=608, Resulting Numbers: [608] 608,77 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,77 unequal: No Solution Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,77 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 Current State: 77:[98, 1, 14], Operations: ['22-8=14'] Exploring Operation: 98-14=84, Resulting Numbers: [1, 84] Generated Node #0,1,0: 77:[1, 84] Operation: 98-14=84 Exploring Operation: 14-1=13, Resulting Numbers: [98, 13] Generated Node #0,1,1: 77:[98, 13] Operation: 14-1=13 Exploring Operation: 98/14=7, Resulting Numbers: [1, 7] Generated Node #0,1,2: 77:[1, 7] Operation: 98/14=7 Exploring Operation: 98-1=97, Resulting Numbers: [14, 97] Generated Node #0,1,3: 77:[14, 97] Operation: 98-1=97 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 77:[1, 7], Operations: ['22-8=14', '98/14=7'] Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,77 unequal: No Solution Exploring Operation: 1+7=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,77 unequal: No Solution Exploring Operation: 1*7=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:[1, 84], Operations: ['22-8=14', '98-14=84'] Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 1+84=85, Resulting Numbers: [85] 85,77 unequal: No Solution Exploring Operation: 1*84=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,77 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 #0,1,1 Current State: 77:[98, 13], Operations: ['22-8=14', '14-1=13'] Exploring Operation: 98+13=111, Resulting Numbers: [111] 111,77 unequal: No Solution Exploring Operation: 98-13=85, Resulting Numbers: [85] 85,77 unequal: No Solution Exploring Operation: 98*13=1274, Resulting Numbers: [1274] 1274,77 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 #0,1,3 Current State: 77:[14, 97], Operations: ['22-8=14', '98-1=97'] Exploring Operation: 14+97=111, Resulting Numbers: [111] 111,77 unequal: No Solution Exploring Operation: 97-14=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 14*97=1358, Resulting Numbers: [1358] 1358,77 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 #0,3 Current State: 77:[22, 1, 90], Operations: ['98-8=90'] Exploring Operation: 90-1=89, Resulting Numbers: [22, 89] Generated Node #0,3,0: 77:[22, 89] Operation: 90-1=89 Exploring Operation: 90-22=68, Resulting Numbers: [1, 68] Generated Node #0,3,1: 77:[1, 68] Operation: 90-22=68 Exploring Operation: 22-1=21, Resulting Numbers: [90, 21] Generated Node #0,3,2: 77:[90, 21] Operation: 22-1=21 Exploring Operation: 22*1=22, Resulting Numbers: [90, 22] Generated Node #0,3,3: 77:[90, 22] Operation: 22*1=22 Moving to Node #0,3,1 Current State: 77:[1, 68], Operations: ['98-8=90', '90-22=68'] Exploring Operation: 1*68=68, Resulting Numbers: [68] 68,77 unequal: No Solution Exploring Operation: 68-1=67, Resulting Numbers: [67] 67,77 unequal: No Solution Exploring Operation: 1+68=69, Resulting Numbers: [69] 69,77 unequal: No Solution Exploring Operation: 68/1=68, Resulting Numbers: [68] 68,77 unequal: No Solution Moving to Node #0,3,2 Current State: 77:[90, 21], Operations: ['98-8=90', '22-1=21'] Exploring Operation: 90+21=111, Resulting Numbers: [111] 111,77 unequal: No Solution Exploring Operation: 90*21=1890, Resulting Numbers: [1890] 1890,77 unequal: No Solution Exploring Operation: 90-21=69, Resulting Numbers: [69] 69,77 unequal: No Solution Moving to Node #0,3,0 Current State: 77:[22, 89], Operations: ['98-8=90', '90-1=89'] Exploring Operation: 89-22=67, Resulting Numbers: [67] 67,77 unequal: No Solution Exploring Operation: 22*89=1958, Resulting Numbers: [1958] 1958,77 unequal: No Solution Exploring Operation: 22+89=111, Resulting Numbers: [111] 111,77 unequal: No Solution Moving to Node #0,3,3 Current State: 77:[90, 22], Operations: ['98-8=90', '22*1=22'] Exploring Operation: 90+22=112, Resulting Numbers: [112] 112,77 unequal: No Solution Exploring Operation: 90*22=1980, Resulting Numbers: [1980] 1980,77 unequal: No Solution Exploring Operation: 90-22=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 Current State: 77:[22, 8, 97], Operations: ['98-1=97'] Exploring Operation: 97-8=89, Resulting Numbers: [22, 89] Generated Node #0,2,0: 77:[22, 89] Operation: 97-8=89 Exploring Operation: 97-22=75, Resulting Numbers: [8, 75] Generated Node #0,2,1: 77:[8, 75] Operation: 97-22=75 Exploring Operation: 22-8=14, Resulting Numbers: [97, 14] Generated Node #0,2,2: 77:[97, 14] Operation: 22-8=14 Exploring Operation: 22+8=30, Resulting Numbers: [97, 30] Generated Node #0,2,3: 77:[97, 30] Operation: 22+8=30 Moving to Node #0,2,1 Current State: 77:[8, 75], Operations: ['98-1=97', '97-22=75'] Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,77 unequal: No Solution Exploring Operation: 8*75=600, Resulting Numbers: [600] 600,77 unequal: No Solution Exploring Operation: 8+75=83, Resulting Numbers: [83] 83,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[97, 14], Operations: ['98-1=97', '22-8=14'] Exploring Operation: 97*14=1358, Resulting Numbers: [1358] 1358,77 unequal: No Solution Exploring Operation: 97+14=111, Resulting Numbers: [111] 111,77 unequal: No Solution Exploring Operation: 97-14=83, Resulting Numbers: [83] 83,77 unequal: No Solution Moving to Node #0,2,0 Current State: 77:[22, 89], Operations: ['98-1=97', '97-8=89'] Exploring Operation: 22*89=1958, Resulting Numbers: [1958] 1958,77 unequal: No Solution Exploring Operation: 22+89=111, Resulting Numbers: [111] 111,77 unequal: No Solution Exploring Operation: 89-22=67, Resulting Numbers: [67] 67,77 unequal: No Solution Moving to Node #0,2,3 Current State: 77:[97, 30], Operations: ['98-1=97', '22+8=30'] Exploring Operation: 97+30=127, Resulting Numbers: [127] 127,77 unequal: No Solution Exploring Operation: 97-30=67, Resulting Numbers: [67] 67,77 unequal: No Solution Exploring Operation: 97*30=2910, Resulting Numbers: [2910] 2910,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic