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
[ 17, 10, 42, 34 ]
30
[ "34/17=2", "42-10=32", "32-2=30" ]
Current State: 30:[17, 10, 42, 34], Operations: [] Exploring Operation: 34/17=2, Resulting Numbers: [10, 42, 2] Generated Node #2: [10, 42, 2] from Operation: 34/17=2 Current State: 30:[10, 42, 2], Operations: ['34/17=2'] Exploring Operation: 42-10=32, Resulting Numbers: [2, 32] Generated Node #3: [2, 32] from Operation: 42-10=32 Current State: 30:[2, 32], Operations: ['34/17=2', '42-10=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[17, 10, 42, 34], Operations: [] Exploring Operation: 42-34=8, Resulting Numbers: [17, 10, 8] Generated Node #0,0: 30:[17, 10, 8] Operation: 42-34=8 Moving to Node #0,0 Current State: 30:[17, 10, 8], Operations: ['42-34=8'] Exploring Operation: 17-8=9, Resulting Numbers: [10, 9] Generated Node #0,0,0: 30:[10, 9] Operation: 17-8=9 Moving to Node #0,0,0 Current State: 30:[10, 9], Operations: ['42-34=8', '17-8=9'] Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,30 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 25, 54, 39, 78 ]
88
[ "54-25=29", "39+78=117", "117-29=88" ]
Current State: 88:[25, 54, 39, 78], Operations: [] Exploring Operation: 54-25=29, Resulting Numbers: [39, 78, 29] Generated Node #2: [39, 78, 29] from Operation: 54-25=29 Current State: 88:[39, 78, 29], Operations: ['54-25=29'] Exploring Operation: 39+78=117, Resulting Numbers: [29, 117] Generated Node #3: [29, 117] from Operation: 39+78=117 Current State: 88:[29, 117], Operations: ['54-25=29', '39+78=117'] Exploring Operation: 117-29=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[25, 54, 39, 78], Operations: [] Exploring Operation: 78/39=2, Resulting Numbers: [25, 54, 2] Generated Node #0,0: 88:[25, 54, 2] Operation: 78/39=2 Exploring Operation: 54-39=15, Resulting Numbers: [25, 78, 15] Generated Node #0,1: 88:[25, 78, 15] Operation: 54-39=15 Exploring Operation: 78-54=24, Resulting Numbers: [25, 39, 24] Generated Node #0,2: 88:[25, 39, 24] Operation: 78-54=24 Exploring Operation: 78-39=39, Resulting Numbers: [25, 54, 39] Generated Node #0,3: 88:[25, 54, 39] Operation: 78-39=39 Exploring Operation: 54+39=93, Resulting Numbers: [25, 78, 93] Generated Node #0,4: 88:[25, 78, 93] Operation: 54+39=93 Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[25, 39, 24], Operations: ['78-54=24'] Exploring Operation: 39-25=14, Resulting Numbers: [24, 14] Generated Node #0,2,0: 88:[24, 14] Operation: 39-25=14 Exploring Operation: 25-24=1, Resulting Numbers: [39, 1] Generated Node #0,2,1: 88:[39, 1] Operation: 25-24=1 Exploring Operation: 25+24=49, Resulting Numbers: [39, 49] Generated Node #0,2,2: 88:[39, 49] Operation: 25+24=49 Exploring Operation: 39-24=15, Resulting Numbers: [25, 15] Generated Node #0,2,3: 88:[25, 15] Operation: 39-24=15 Exploring Operation: 25+39=64, Resulting Numbers: [24, 64] Generated Node #0,2,4: 88:[24, 64] Operation: 25+39=64 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 88:[24, 14], Operations: ['78-54=24', '39-25=14'] Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,88 unequal: No Solution Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,88 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,88 unequal: No Solution No 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: 88:[39, 1], Operations: ['78-54=24', '25-24=1'] Exploring Operation: 39*1=39, Resulting Numbers: [39] 39,88 unequal: No Solution Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,88 unequal: No Solution Exploring Operation: 39+1=40, Resulting Numbers: [40] 40,88 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,88 unequal: No Solution No 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: 88:[25, 15], Operations: ['78-54=24', '39-24=15'] Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 25*15=375, Resulting Numbers: [375] 375,88 unequal: No Solution Exploring Operation: 25+15=40, Resulting Numbers: [40] 40,88 unequal: No Solution No 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: 88:[39, 49], Operations: ['78-54=24', '25+24=49'] Exploring Operation: 49-39=10, Resulting Numbers: [10] 10,88 unequal: No Solution Exploring Operation: 39*49=1911, Resulting Numbers: [1911] 1911,88 unequal: No Solution Exploring Operation: 39+49=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[25, 54, 39, 78], Operations: [] Exploring Operation: 78-54=24, Resulting Numbers: [25, 39, 24] Generated Node #0,2: 88:[25, 39, 24] Operation: 78-54=24 Moving to Node #0,2 Current State: 88:[25, 39, 24], Operations: ['78-54=24'] Exploring Operation: 25+24=49, Resulting Numbers: [39, 49] Generated Node #0,2,2: 88:[39, 49] Operation: 25+24=49 Moving to Node #0,2,2 Current State: 88:[39, 49], Operations: ['78-54=24', '25+24=49'] Exploring Operation: 39+49=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.976563
hs_5
sum_heuristic
[ 76, 82, 14, 4 ]
77
[ "76/4=19", "82+14=96", "96-19=77" ]
Current State: 77:[76, 82, 14, 4], Operations: [] Exploring Operation: 76/4=19, Resulting Numbers: [82, 14, 19] Generated Node #2: [82, 14, 19] from Operation: 76/4=19 Current State: 77:[82, 14, 19], Operations: ['76/4=19'] Exploring Operation: 82+14=96, Resulting Numbers: [19, 96] Generated Node #3: [19, 96] from Operation: 82+14=96 Current State: 77:[19, 96], Operations: ['76/4=19', '82+14=96'] Exploring Operation: 96-19=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[76, 82, 14, 4], Operations: [] Exploring Operation: 76-4=72, Resulting Numbers: [82, 14, 72] Generated Node #0,0: 77:[82, 14, 72] Operation: 76-4=72 Exploring Operation: 76+4=80, Resulting Numbers: [82, 14, 80] Generated Node #0,1: 77:[82, 14, 80] Operation: 76+4=80 Exploring Operation: 14-4=10, Resulting Numbers: [76, 82, 10] Generated Node #0,2: 77:[76, 82, 10] Operation: 14-4=10 Exploring Operation: 82-76=6, Resulting Numbers: [14, 4, 6] Generated Node #0,3: 77:[14, 4, 6] Operation: 82-76=6 Exploring Operation: 82-4=78, Resulting Numbers: [76, 14, 78] Generated Node #0,4: 77:[76, 14, 78] Operation: 82-4=78 Moving to Node #0,4 Current State: 77:[76, 14, 78], Operations: ['82-4=78'] Exploring Operation: 78-14=64, Resulting Numbers: [76, 64] Generated Node #0,4,0: 77:[76, 64] Operation: 78-14=64 Exploring Operation: 76+14=90, Resulting Numbers: [78, 90] Generated Node #0,4,1: 77:[78, 90] Operation: 76+14=90 Exploring Operation: 76-14=62, Resulting Numbers: [78, 62] Generated Node #0,4,2: 77:[78, 62] Operation: 76-14=62 Exploring Operation: 14+78=92, Resulting Numbers: [76, 92] Generated Node #0,4,3: 77:[76, 92] Operation: 14+78=92 Exploring Operation: 78-76=2, Resulting Numbers: [14, 2] Generated Node #0,4,4: 77:[14, 2] Operation: 78-76=2 Moving to Node #0,3 Current State: 77:[14, 4, 6], Operations: ['82-76=6'] Exploring Operation: 14-4=10, Resulting Numbers: [6, 10] Generated Node #0,3,0: 77:[6, 10] Operation: 14-4=10 Exploring Operation: 6-4=2, Resulting Numbers: [14, 2] Generated Node #0,3,1: 77:[14, 2] Operation: 6-4=2 Exploring Operation: 4+6=10, Resulting Numbers: [14, 10] Generated Node #0,3,2: 77:[14, 10] Operation: 4+6=10 Exploring Operation: 14+4=18, Resulting Numbers: [6, 18] Generated Node #0,3,3: 77:[6, 18] Operation: 14+4=18 Exploring Operation: 14-6=8, Resulting Numbers: [4, 8] Generated Node #0,3,4: 77:[4, 8] Operation: 14-6=8 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 77:[6, 10], Operations: ['82-76=6', '14-4=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,77 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 77:[14, 10], Operations: ['82-76=6', '4+6=10'] Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,77 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,77 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:[4, 8], Operations: ['82-76=6', '14-6=8'] Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,77 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,77 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:[14, 2], Operations: ['82-76=6', '6-4=2'] Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,77 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,77 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,77 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:[6, 18], Operations: ['82-76=6', '14+4=18'] Exploring Operation: 6*18=108, Resulting Numbers: [108] 108,77 unequal: No Solution Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,77 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,77 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,77 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: 77:[76, 82, 10], Operations: ['14-4=10'] Exploring Operation: 82+10=92, Resulting Numbers: [76, 92] Generated Node #0,2,0: 77:[76, 92] Operation: 82+10=92 Exploring Operation: 76+10=86, Resulting Numbers: [82, 86] Generated Node #0,2,1: 77:[82, 86] Operation: 76+10=86 Exploring Operation: 76-10=66, Resulting Numbers: [82, 66] Generated Node #0,2,2: 77:[82, 66] Operation: 76-10=66 Exploring Operation: 82-76=6, Resulting Numbers: [10, 6] Generated Node #0,2,3: 77:[10, 6] Operation: 82-76=6 Exploring Operation: 82-10=72, Resulting Numbers: [76, 72] Generated Node #0,2,4: 77:[76, 72] Operation: 82-10=72 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 77:[10, 6], Operations: ['14-4=10', '82-76=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,77 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 77:[76, 72], Operations: ['14-4=10', '82-10=72'] Exploring Operation: 76-72=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 76*72=5472, Resulting Numbers: [5472] 5472,77 unequal: No Solution Exploring Operation: 76+72=148, Resulting Numbers: [148] 148,77 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 #0,2,1 Current State: 77:[82, 86], Operations: ['14-4=10', '76+10=86'] Exploring Operation: 82*86=7052, Resulting Numbers: [7052] 7052,77 unequal: No Solution Exploring Operation: 82+86=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 86-82=4, Resulting Numbers: [4] 4,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[76, 92], Operations: ['14-4=10', '82+10=92'] Exploring Operation: 76+92=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 76*92=6992, Resulting Numbers: [6992] 6992,77 unequal: No Solution Exploring Operation: 92-76=16, Resulting Numbers: [16] 16,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 77:[82, 66], Operations: ['14-4=10', '76-10=66'] Exploring Operation: 82*66=5412, Resulting Numbers: [5412] 5412,77 unequal: No Solution Exploring Operation: 82+66=148, Resulting Numbers: [148] 148,77 unequal: No Solution Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,77 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:[82, 14, 80], Operations: ['76+4=80'] Exploring Operation: 82-80=2, Resulting Numbers: [14, 2] Generated Node #0,1,0: 77:[14, 2] Operation: 82-80=2 Exploring Operation: 80-14=66, Resulting Numbers: [82, 66] Generated Node #0,1,1: 77:[82, 66] Operation: 80-14=66 Exploring Operation: 14+80=94, Resulting Numbers: [82, 94] Generated Node #0,1,2: 77:[82, 94] Operation: 14+80=94 Exploring Operation: 82+14=96, Resulting Numbers: [80, 96] Generated Node #0,1,3: 77:[80, 96] Operation: 82+14=96 Exploring Operation: 82-14=68, Resulting Numbers: [80, 68] Generated Node #0,1,4: 77:[80, 68] Operation: 82-14=68 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[14, 2], Operations: ['76+4=80', '82-80=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,77 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,77 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,77 unequal: No Solution Exploring Operation: 14-2=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 #0,1,4 Current State: 77:[80, 68], Operations: ['76+4=80', '82-14=68'] Exploring Operation: 80+68=148, Resulting Numbers: [148] 148,77 unequal: No Solution Exploring Operation: 80-68=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 80*68=5440, Resulting Numbers: [5440] 5440,77 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:[82, 66], Operations: ['76+4=80', '80-14=66'] Exploring Operation: 82+66=148, Resulting Numbers: [148] 148,77 unequal: No Solution Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,77 unequal: No Solution Exploring Operation: 82*66=5412, Resulting Numbers: [5412] 5412,77 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 #0,1,2 Current State: 77:[82, 94], Operations: ['76+4=80', '14+80=94'] Exploring Operation: 94-82=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 82*94=7708, Resulting Numbers: [7708] 7708,77 unequal: No Solution Exploring Operation: 82+94=176, Resulting Numbers: [176] 176,77 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:[80, 96], Operations: ['76+4=80', '82+14=96'] Exploring Operation: 96-80=16, Resulting Numbers: [16] 16,77 unequal: No Solution Exploring Operation: 80*96=7680, Resulting Numbers: [7680] 7680,77 unequal: No Solution Exploring Operation: 80+96=176, Resulting Numbers: [176] 176,77 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:[82, 14, 72], Operations: ['76-4=72'] Exploring Operation: 82+14=96, Resulting Numbers: [72, 96] Generated Node #0,0,0: 77:[72, 96] Operation: 82+14=96 Exploring Operation: 72-14=58, Resulting Numbers: [82, 58] Generated Node #0,0,1: 77:[82, 58] Operation: 72-14=58 Exploring Operation: 82-14=68, Resulting Numbers: [72, 68] Generated Node #0,0,2: 77:[72, 68] Operation: 82-14=68 Exploring Operation: 82-72=10, Resulting Numbers: [14, 10] Generated Node #0,0,3: 77:[14, 10] Operation: 82-72=10 Exploring Operation: 14+72=86, Resulting Numbers: [82, 86] Generated Node #0,0,4: 77:[82, 86] Operation: 14+72=86 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 77:[14, 10], Operations: ['76-4=72', '82-72=10'] Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,77 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[72, 68], Operations: ['76-4=72', '82-14=68'] Exploring Operation: 72-68=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 72+68=140, Resulting Numbers: [140] 140,77 unequal: No Solution Exploring Operation: 72*68=4896, Resulting Numbers: [4896] 4896,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 77:[82, 86], Operations: ['76-4=72', '14+72=86'] Exploring Operation: 86-82=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 82+86=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 82*86=7052, Resulting Numbers: [7052] 7052,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[72, 96], Operations: ['76-4=72', '82+14=96'] Exploring Operation: 72*96=6912, Resulting Numbers: [6912] 6912,77 unequal: No Solution Exploring Operation: 96-72=24, Resulting Numbers: [24] 24,77 unequal: No Solution Exploring Operation: 72+96=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 #0,0,1 Current State: 77:[82, 58], Operations: ['76-4=72', '72-14=58'] Exploring Operation: 82-58=24, Resulting Numbers: [24] 24,77 unequal: No Solution Exploring Operation: 82*58=4756, Resulting Numbers: [4756] 4756,77 unequal: No Solution Exploring Operation: 82+58=140, Resulting Numbers: [140] 140,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,4 Current State: 77:[14, 2], Operations: ['82-4=78', '78-76=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,77 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,77 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,77 unequal: No Solution Moving to Node #0,4,1 Current State: 77:[78, 90], Operations: ['82-4=78', '76+14=90'] Exploring Operation: 78*90=7020, Resulting Numbers: [7020] 7020,77 unequal: No Solution Exploring Operation: 78+90=168, Resulting Numbers: [168] 168,77 unequal: No Solution Exploring Operation: 90-78=12, Resulting Numbers: [12] 12,77 unequal: No Solution Moving to Node #0,4,0 Current State: 77:[76, 64], Operations: ['82-4=78', '78-14=64'] Exploring Operation: 76-64=12, Resulting Numbers: [12] 12,77 unequal: No Solution Exploring Operation: 76+64=140, Resulting Numbers: [140] 140,77 unequal: No Solution Exploring Operation: 76*64=4864, Resulting Numbers: [4864] 4864,77 unequal: No Solution Moving to Node #0,4,2 Current State: 77:[78, 62], Operations: ['82-4=78', '76-14=62'] Exploring Operation: 78+62=140, Resulting Numbers: [140] 140,77 unequal: No Solution Exploring Operation: 78-62=16, Resulting Numbers: [16] 16,77 unequal: No Solution Exploring Operation: 78*62=4836, Resulting Numbers: [4836] 4836,77 unequal: No Solution Moving to Node #0,4,3 Current State: 77:[76, 92], Operations: ['82-4=78', '14+78=92'] Exploring Operation: 76*92=6992, Resulting Numbers: [6992] 6992,77 unequal: No Solution Exploring Operation: 92-76=16, Resulting Numbers: [16] 16,77 unequal: No Solution Exploring Operation: 76+92=168, Resulting Numbers: [168] 168,77 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 44, 84, 38, 92 ]
48
[ "44-38=6", "92-84=8", "6*8=48" ]
Current State: 48:[44, 84, 38, 92], Operations: [] Exploring Operation: 44-38=6, Resulting Numbers: [84, 92, 6] Generated Node #2: [84, 92, 6] from Operation: 44-38=6 Current State: 48:[84, 92, 6], Operations: ['44-38=6'] Exploring Operation: 92-84=8, Resulting Numbers: [6, 8] Generated Node #3: [6, 8] from Operation: 92-84=8 Current State: 48:[6, 8], Operations: ['44-38=6', '92-84=8'] Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[44, 84, 38, 92], Operations: [] Exploring Operation: 92-44=48, Resulting Numbers: [84, 38, 48] Generated Node #0,0: 48:[84, 38, 48] Operation: 92-44=48 Exploring Operation: 92-84=8, Resulting Numbers: [44, 38, 8] Generated Node #0,1: 48:[44, 38, 8] Operation: 92-84=8 Moving to Node #0,1 Current State: 48:[44, 38, 8], Operations: ['92-84=8'] Exploring Operation: 38+8=46, Resulting Numbers: [44, 46] Generated Node #0,1,0: 48:[44, 46] Operation: 38+8=46 Exploring Operation: 44-38=6, Resulting Numbers: [8, 6] Generated Node #0,1,1: 48:[8, 6] Operation: 44-38=6 Moving to Node #0,0 Current State: 48:[84, 38, 48], Operations: ['92-44=48'] Exploring Operation: 84-38=46, Resulting Numbers: [48, 46] Generated Node #0,0,0: 48:[48, 46] Operation: 84-38=46 Exploring Operation: 84-48=36, Resulting Numbers: [38, 36] Generated Node #0,0,1: 48:[38, 36] Operation: 84-48=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[48, 46], Operations: ['92-44=48', '84-38=46'] Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,48 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,48 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 #0,0,1 Current State: 48:[38, 36], Operations: ['92-44=48', '84-48=36'] Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,48 unequal: No Solution Exploring Operation: 38+36=74, Resulting Numbers: [74] 74,48 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: 48:[8, 6], Operations: ['92-84=8', '44-38=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[44, 84, 38, 92], Operations: [] Exploring Operation: 92-84=8, Resulting Numbers: [44, 38, 8] Generated Node #0,1: 48:[44, 38, 8] Operation: 92-84=8 Moving to Node #0,1 Current State: 48:[44, 38, 8], Operations: ['92-84=8'] Exploring Operation: 44-38=6, Resulting Numbers: [8, 6] Generated Node #0,1,1: 48:[8, 6] Operation: 44-38=6 Moving to Node #0,1,1 Current State: 48:[8, 6], Operations: ['92-84=8', '44-38=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 3, 73, 91, 39 ]
54
[ "3+73=76", "91+39=130", "130-76=54" ]
Current State: 54:[3, 73, 91, 39], Operations: [] Exploring Operation: 3+73=76, Resulting Numbers: [91, 39, 76] Generated Node #2: [91, 39, 76] from Operation: 3+73=76 Current State: 54:[91, 39, 76], Operations: ['3+73=76'] Exploring Operation: 91+39=130, Resulting Numbers: [76, 130] Generated Node #3: [76, 130] from Operation: 91+39=130 Current State: 54:[76, 130], Operations: ['3+73=76', '91+39=130'] Exploring Operation: 130-76=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[3, 73, 91, 39], Operations: [] Exploring Operation: 91-39=52, Resulting Numbers: [3, 73, 52] Generated Node #0,0: 54:[3, 73, 52] Operation: 91-39=52 Exploring Operation: 91-73=18, Resulting Numbers: [3, 39, 18] Generated Node #0,1: 54:[3, 39, 18] Operation: 91-73=18 Exploring Operation: 39/3=13, Resulting Numbers: [73, 91, 13] Generated Node #0,2: 54:[73, 91, 13] Operation: 39/3=13 Exploring Operation: 73-39=34, Resulting Numbers: [3, 91, 34] Generated Node #0,3: 54:[3, 91, 34] Operation: 73-39=34 Moving to Node #0,1 Current State: 54:[3, 39, 18], Operations: ['91-73=18'] Exploring Operation: 39/3=13, Resulting Numbers: [18, 13] Generated Node #0,1,0: 54:[18, 13] Operation: 39/3=13 Exploring Operation: 39-3=36, Resulting Numbers: [18, 36] Generated Node #0,1,1: 54:[18, 36] Operation: 39-3=36 Exploring Operation: 39+18=57, Resulting Numbers: [3, 57] Generated Node #0,1,2: 54:[3, 57] Operation: 39+18=57 Exploring Operation: 39-18=21, Resulting Numbers: [3, 21] Generated Node #0,1,3: 54:[3, 21] Operation: 39-18=21 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 54:[3, 57], Operations: ['91-73=18', '39+18=57'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[3, 73, 91, 39], Operations: [] Exploring Operation: 91-73=18, Resulting Numbers: [3, 39, 18] Generated Node #0,1: 54:[3, 39, 18] Operation: 91-73=18 Moving to Node #0,1 Current State: 54:[3, 39, 18], Operations: ['91-73=18'] Exploring Operation: 39+18=57, Resulting Numbers: [3, 57] Generated Node #0,1,2: 54:[3, 57] Operation: 39+18=57 Moving to Node #0,1,2 Current State: 54:[3, 57], Operations: ['91-73=18', '39+18=57'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 9, 2, 24, 83 ]
41
[ "9*2=18", "83-24=59", "59-18=41" ]
Current State: 41:[9, 2, 24, 83], Operations: [] Exploring Operation: 9*2=18, Resulting Numbers: [24, 83, 18] Generated Node #2: [24, 83, 18] from Operation: 9*2=18 Current State: 41:[24, 83, 18], Operations: ['9*2=18'] Exploring Operation: 83-24=59, Resulting Numbers: [18, 59] Generated Node #3: [18, 59] from Operation: 83-24=59 Current State: 41:[18, 59], Operations: ['9*2=18', '83-24=59'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[9, 2, 24, 83], Operations: [] Exploring Operation: 2*24=48, Resulting Numbers: [9, 83, 48] Generated Node #0,0: 41:[9, 83, 48] Operation: 2*24=48 Exploring Operation: 9+2=11, Resulting Numbers: [24, 83, 11] Generated Node #0,1: 41:[24, 83, 11] Operation: 9+2=11 Exploring Operation: 9*2=18, Resulting Numbers: [24, 83, 18] Generated Node #0,2: 41:[24, 83, 18] Operation: 9*2=18 Moving to Node #0,0 Current State: 41:[9, 83, 48], Operations: ['2*24=48'] Exploring Operation: 83-48=35, Resulting Numbers: [9, 35] Generated Node #0,0,0: 41:[9, 35] Operation: 83-48=35 Exploring Operation: 48-9=39, Resulting Numbers: [83, 39] Generated Node #0,0,1: 41:[83, 39] Operation: 48-9=39 Exploring Operation: 83-9=74, Resulting Numbers: [48, 74] Generated Node #0,0,2: 41:[48, 74] Operation: 83-9=74 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[9, 35], Operations: ['2*24=48', '83-48=35'] Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,41 unequal: No Solution Exploring Operation: 9+35=44, Resulting Numbers: [44] 44,41 unequal: No Solution Exploring Operation: 9*35=315, Resulting Numbers: [315] 315,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[48, 74], Operations: ['2*24=48', '83-9=74'] Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,41 unequal: No Solution Exploring Operation: 48*74=3552, Resulting Numbers: [3552] 3552,41 unequal: No Solution Exploring Operation: 48+74=122, Resulting Numbers: [122] 122,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 41:[83, 39], Operations: ['2*24=48', '48-9=39'] Exploring Operation: 83-39=44, Resulting Numbers: [44] 44,41 unequal: No Solution Exploring Operation: 83+39=122, Resulting Numbers: [122] 122,41 unequal: No Solution Exploring Operation: 83*39=3237, Resulting Numbers: [3237] 3237,41 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: 41:[24, 83, 18], Operations: ['9*2=18'] Exploring Operation: 83-24=59, Resulting Numbers: [18, 59] Generated Node #0,2,0: 41:[18, 59] Operation: 83-24=59 Exploring Operation: 83-18=65, Resulting Numbers: [24, 65] Generated Node #0,2,1: 41:[24, 65] Operation: 83-18=65 Exploring Operation: 24+18=42, Resulting Numbers: [83, 42] Generated Node #0,2,2: 41:[83, 42] Operation: 24+18=42 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 41:[18, 59], Operations: ['9*2=18', '83-24=59'] Exploring Operation: 18+59=77, Resulting Numbers: [77] 77,41 unequal: No Solution Exploring Operation: 18*59=1062, Resulting Numbers: [1062] 1062,41 unequal: No Solution Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[9, 2, 24, 83], Operations: [] Exploring Operation: 9*2=18, Resulting Numbers: [24, 83, 18] Generated Node #0,2: 41:[24, 83, 18] Operation: 9*2=18 Moving to Node #0,2 Current State: 41:[24, 83, 18], Operations: ['9*2=18'] Exploring Operation: 83-24=59, Resulting Numbers: [18, 59] Generated Node #0,2,0: 41:[18, 59] Operation: 83-24=59 Moving to Node #0,2,0 Current State: 41:[18, 59], Operations: ['9*2=18', '83-24=59'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 10, 39, 31, 54 ]
61
[ "39+31=70", "70/10=7", "54+7=61" ]
Current State: 61:[10, 39, 31, 54], Operations: [] Exploring Operation: 39+31=70, Resulting Numbers: [10, 54, 70] Generated Node #2: [10, 54, 70] from Operation: 39+31=70 Current State: 61:[10, 54, 70], Operations: ['39+31=70'] Exploring Operation: 70/10=7, Resulting Numbers: [54, 7] Generated Node #3: [54, 7] from Operation: 70/10=7 Current State: 61:[54, 7], Operations: ['39+31=70', '70/10=7'] Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[10, 39, 31, 54], Operations: [] Exploring Operation: 10+39=49, Resulting Numbers: [31, 54, 49] Generated Node #0,0: 61:[31, 54, 49] Operation: 10+39=49 Exploring Operation: 10+31=41, Resulting Numbers: [39, 54, 41] Generated Node #0,1: 61:[39, 54, 41] Operation: 10+31=41 Moving to Node #0,0 Current State: 61:[31, 54, 49], Operations: ['10+39=49'] Exploring Operation: 31+54=85, Resulting Numbers: [49, 85] Generated Node #0,0,0: 61:[49, 85] Operation: 31+54=85 Exploring Operation: 31+49=80, Resulting Numbers: [54, 80] Generated Node #0,0,1: 61:[54, 80] Operation: 31+49=80 Moving to Node #0,1 Current State: 61:[39, 54, 41], Operations: ['10+31=41'] Exploring Operation: 39+54=93, Resulting Numbers: [41, 93] Generated Node #0,1,0: 61:[41, 93] Operation: 39+54=93 Exploring Operation: 39+41=80, Resulting Numbers: [54, 80] Generated Node #0,1,1: 61:[54, 80] Operation: 39+41=80 Moving to Node #0,0,1 Current State: 61:[54, 80], Operations: ['10+39=49', '31+49=80'] Exploring Operation: 80-54=26, Resulting Numbers: [26] 26,61 unequal: No Solution Exploring Operation: 54+80=134, Resulting Numbers: [134] 134,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[54, 80], Operations: ['10+31=41', '39+41=80'] Exploring Operation: 54+80=134, Resulting Numbers: [134] 134,61 unequal: No Solution Exploring Operation: 80-54=26, Resulting Numbers: [26] 26,61 unequal: No Solution Moving to Node #0,0,0 Current State: 61:[49, 85], Operations: ['10+39=49', '31+54=85'] Exploring Operation: 49+85=134, Resulting Numbers: [134] 134,61 unequal: No Solution Exploring Operation: 85-49=36, Resulting Numbers: [36] 36,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[41, 93], Operations: ['10+31=41', '39+54=93'] Exploring Operation: 93-41=52, Resulting Numbers: [52] 52,61 unequal: No Solution Exploring Operation: 41+93=134, Resulting Numbers: [134] 134,61 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 36, 21, 53, 72 ]
68
[ "36+21=57", "53+72=125", "125-57=68" ]
Current State: 68:[36, 21, 53, 72], Operations: [] Exploring Operation: 36+21=57, Resulting Numbers: [53, 72, 57] Generated Node #2: [53, 72, 57] from Operation: 36+21=57 Current State: 68:[53, 72, 57], Operations: ['36+21=57'] Exploring Operation: 53+72=125, Resulting Numbers: [57, 125] Generated Node #3: [57, 125] from Operation: 53+72=125 Current State: 68:[57, 125], Operations: ['36+21=57', '53+72=125'] Exploring Operation: 125-57=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[36, 21, 53, 72], Operations: [] Exploring Operation: 53-36=17, Resulting Numbers: [21, 72, 17] Generated Node #0,0: 68:[21, 72, 17] Operation: 53-36=17 Exploring Operation: 53-21=32, Resulting Numbers: [36, 72, 32] Generated Node #0,1: 68:[36, 72, 32] Operation: 53-21=32 Moving to Node #0,0 Current State: 68:[21, 72, 17], Operations: ['53-36=17'] Exploring Operation: 21-17=4, Resulting Numbers: [72, 4] Generated Node #0,0,0: 68:[72, 4] Operation: 21-17=4 Exploring Operation: 21+17=38, Resulting Numbers: [72, 38] Generated Node #0,0,1: 68:[72, 38] Operation: 21+17=38 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[72, 4], Operations: ['53-36=17', '21-17=4'] Exploring Operation: 72/4=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[36, 21, 53, 72], Operations: [] Exploring Operation: 53-36=17, Resulting Numbers: [21, 72, 17] Generated Node #0,0: 68:[21, 72, 17] Operation: 53-36=17 Moving to Node #0,0 Current State: 68:[21, 72, 17], Operations: ['53-36=17'] Exploring Operation: 21-17=4, Resulting Numbers: [72, 4] Generated Node #0,0,0: 68:[72, 4] Operation: 21-17=4 Moving to Node #0,0,0 Current State: 68:[72, 4], Operations: ['53-36=17', '21-17=4'] Exploring Operation: 72-4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 58, 47, 82, 87 ]
86
[ "47+82=129", "58*129=7482", "7482/87=86" ]
Current State: 86:[58, 47, 82, 87], Operations: [] Exploring Operation: 47+82=129, Resulting Numbers: [58, 87, 129] Generated Node #2: [58, 87, 129] from Operation: 47+82=129 Current State: 86:[58, 87, 129], Operations: ['47+82=129'] Exploring Operation: 58*129=7482, Resulting Numbers: [87, 7482] Generated Node #3: [87, 7482] from Operation: 58*129=7482 Current State: 86:[87, 7482], Operations: ['47+82=129', '58*129=7482'] Exploring Operation: 7482/87=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[58, 47, 82, 87], Operations: [] Exploring Operation: 87-47=40, Resulting Numbers: [58, 82, 40] Generated Node #0,0: 86:[58, 82, 40] Operation: 87-47=40 Exploring Operation: 87-58=29, Resulting Numbers: [47, 82, 29] Generated Node #0,1: 86:[47, 82, 29] Operation: 87-58=29 Exploring Operation: 58-47=11, Resulting Numbers: [82, 87, 11] Generated Node #0,2: 86:[82, 87, 11] Operation: 58-47=11 Moving to Node #0,2 Current State: 86:[82, 87, 11], Operations: ['58-47=11'] Exploring Operation: 87-11=76, Resulting Numbers: [82, 76] Generated Node #0,2,0: 86:[82, 76] Operation: 87-11=76 Exploring Operation: 87-82=5, Resulting Numbers: [11, 5] Generated Node #0,2,1: 86:[11, 5] Operation: 87-82=5 Exploring Operation: 82+11=93, Resulting Numbers: [87, 93] Generated Node #0,2,2: 86:[87, 93] Operation: 82+11=93 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[87, 93], Operations: ['58-47=11', '82+11=93'] Exploring Operation: 93-87=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 87*93=8091, Resulting Numbers: [8091] 8091,86 unequal: No Solution Exploring Operation: 87+93=180, Resulting Numbers: [180] 180,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[11, 5], Operations: ['58-47=11', '87-82=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,86 unequal: No Solution Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[82, 76], Operations: ['58-47=11', '87-11=76'] Exploring Operation: 82-76=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 82+76=158, Resulting Numbers: [158] 158,86 unequal: No Solution Exploring Operation: 82*76=6232, Resulting Numbers: [6232] 6232,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 86:[58, 82, 40], Operations: ['87-47=40'] Exploring Operation: 58-40=18, Resulting Numbers: [82, 18] Generated Node #0,0,0: 86:[82, 18] Operation: 58-40=18 Exploring Operation: 58+40=98, Resulting Numbers: [82, 98] Generated Node #0,0,1: 86:[82, 98] Operation: 58+40=98 Exploring Operation: 82-40=42, Resulting Numbers: [58, 42] Generated Node #0,0,2: 86:[58, 42] Operation: 82-40=42 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[82, 98], Operations: ['87-47=40', '58+40=98'] Exploring Operation: 82+98=180, Resulting Numbers: [180] 180,86 unequal: No Solution Exploring Operation: 82*98=8036, Resulting Numbers: [8036] 8036,86 unequal: No Solution Exploring Operation: 98-82=16, Resulting Numbers: [16] 16,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[58, 42], Operations: ['87-47=40', '82-40=42'] Exploring Operation: 58+42=100, Resulting Numbers: [100] 100,86 unequal: No Solution Exploring Operation: 58-42=16, Resulting Numbers: [16] 16,86 unequal: No Solution Exploring Operation: 58*42=2436, Resulting Numbers: [2436] 2436,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[82, 18], Operations: ['87-47=40', '58-40=18'] Exploring Operation: 82-18=64, Resulting Numbers: [64] 64,86 unequal: No Solution Exploring Operation: 82*18=1476, Resulting Numbers: [1476] 1476,86 unequal: No Solution Exploring Operation: 82+18=100, Resulting Numbers: [100] 100,86 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: 86:[47, 82, 29], Operations: ['87-58=29'] Exploring Operation: 47+29=76, Resulting Numbers: [82, 76] Generated Node #0,1,0: 86:[82, 76] Operation: 47+29=76 Exploring Operation: 82-29=53, Resulting Numbers: [47, 53] Generated Node #0,1,1: 86:[47, 53] Operation: 82-29=53 Exploring Operation: 47-29=18, Resulting Numbers: [82, 18] Generated Node #0,1,2: 86:[82, 18] Operation: 47-29=18 Moving to Node #0,1,0 Current State: 86:[82, 76], Operations: ['87-58=29', '47+29=76'] Exploring Operation: 82+76=158, Resulting Numbers: [158] 158,86 unequal: No Solution Exploring Operation: 82-76=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 82*76=6232, Resulting Numbers: [6232] 6232,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[47, 53], Operations: ['87-58=29', '82-29=53'] Exploring Operation: 47*53=2491, Resulting Numbers: [2491] 2491,86 unequal: No Solution Exploring Operation: 53-47=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 47+53=100, Resulting Numbers: [100] 100,86 unequal: No Solution Moving to Node #0,1,2 Current State: 86:[82, 18], Operations: ['87-58=29', '47-29=18'] Exploring Operation: 82+18=100, Resulting Numbers: [100] 100,86 unequal: No Solution Exploring Operation: 82*18=1476, Resulting Numbers: [1476] 1476,86 unequal: No Solution Exploring Operation: 82-18=64, Resulting Numbers: [64] 64,86 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 37, 62, 95, 19 ]
51
[ "62-37=25", "95-19=76", "76-25=51" ]
Current State: 51:[37, 62, 95, 19], Operations: [] Exploring Operation: 62-37=25, Resulting Numbers: [95, 19, 25] Generated Node #2: [95, 19, 25] from Operation: 62-37=25 Current State: 51:[95, 19, 25], Operations: ['62-37=25'] Exploring Operation: 95-19=76, Resulting Numbers: [25, 76] Generated Node #3: [25, 76] from Operation: 95-19=76 Current State: 51:[25, 76], Operations: ['62-37=25', '95-19=76'] Exploring Operation: 76-25=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[37, 62, 95, 19], Operations: [] Exploring Operation: 95/19=5, Resulting Numbers: [37, 62, 5] Generated Node #0,0: 51:[37, 62, 5] Operation: 95/19=5 Exploring Operation: 95-37=58, Resulting Numbers: [62, 19, 58] Generated Node #0,1: 51:[62, 19, 58] Operation: 95-37=58 Exploring Operation: 95-62=33, Resulting Numbers: [37, 19, 33] Generated Node #0,2: 51:[37, 19, 33] Operation: 95-62=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[62, 19, 58], Operations: ['95-37=58'] Exploring Operation: 58-19=39, Resulting Numbers: [62, 39] Generated Node #0,1,0: 51:[62, 39] Operation: 58-19=39 Exploring Operation: 62-58=4, Resulting Numbers: [19, 4] Generated Node #0,1,1: 51:[19, 4] Operation: 62-58=4 Exploring Operation: 62-19=43, Resulting Numbers: [58, 43] Generated Node #0,1,2: 51:[58, 43] Operation: 62-19=43 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 51:[19, 4], Operations: ['95-37=58', '62-58=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,51 unequal: No Solution No 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: 51:[58, 43], Operations: ['95-37=58', '62-19=43'] Exploring Operation: 58+43=101, Resulting Numbers: [101] 101,51 unequal: No Solution Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 58*43=2494, Resulting Numbers: [2494] 2494,51 unequal: No Solution No 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: 51:[62, 39], Operations: ['95-37=58', '58-19=39'] Exploring Operation: 62+39=101, Resulting Numbers: [101] 101,51 unequal: No Solution Exploring Operation: 62*39=2418, Resulting Numbers: [2418] 2418,51 unequal: No Solution Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,51 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: 51:[37, 62, 5], Operations: ['95/19=5'] Exploring Operation: 62-37=25, Resulting Numbers: [5, 25] Generated Node #0,0,0: 51:[5, 25] Operation: 62-37=25 Exploring Operation: 62-5=57, Resulting Numbers: [37, 57] Generated Node #0,0,1: 51:[37, 57] Operation: 62-5=57 Exploring Operation: 37+5=42, Resulting Numbers: [62, 42] Generated Node #0,0,2: 51:[62, 42] Operation: 37+5=42 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[5, 25], Operations: ['95/19=5', '62-37=25'] Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,51 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,51 unequal: No Solution No 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: 51:[37, 57], Operations: ['95/19=5', '62-5=57'] Exploring Operation: 57-37=20, Resulting Numbers: [20] 20,51 unequal: No Solution Exploring Operation: 37*57=2109, Resulting Numbers: [2109] 2109,51 unequal: No Solution Exploring Operation: 37+57=94, Resulting Numbers: [94] 94,51 unequal: No Solution No 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: 51:[62, 42], Operations: ['95/19=5', '37+5=42'] Exploring Operation: 62*42=2604, Resulting Numbers: [2604] 2604,51 unequal: No Solution Exploring Operation: 62+42=104, Resulting Numbers: [104] 104,51 unequal: No Solution Exploring Operation: 62-42=20, Resulting Numbers: [20] 20,51 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: 51:[37, 19, 33], Operations: ['95-62=33'] Exploring Operation: 19+33=52, Resulting Numbers: [37, 52] Generated Node #0,2,0: 51:[37, 52] Operation: 19+33=52 Exploring Operation: 37-33=4, Resulting Numbers: [19, 4] Generated Node #0,2,1: 51:[19, 4] Operation: 37-33=4 Exploring Operation: 37-19=18, Resulting Numbers: [33, 18] Generated Node #0,2,2: 51:[33, 18] Operation: 37-19=18 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 51:[19, 4], Operations: ['95-62=33', '37-33=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 19*4=76, Resulting Numbers: [76] 76,51 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,51 unequal: No Solution No 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: 51:[37, 52], Operations: ['95-62=33', '19+33=52'] Exploring Operation: 37+52=89, Resulting Numbers: [89] 89,51 unequal: No Solution Exploring Operation: 37*52=1924, Resulting Numbers: [1924] 1924,51 unequal: No Solution Exploring Operation: 52-37=15, Resulting Numbers: [15] 15,51 unequal: No Solution No 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: 51:[33, 18], Operations: ['95-62=33', '37-19=18'] Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,51 unequal: No Solution Exploring Operation: 33+18=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[37, 62, 95, 19], Operations: [] Exploring Operation: 95-62=33, Resulting Numbers: [37, 19, 33] Generated Node #0,2: 51:[37, 19, 33] Operation: 95-62=33 Moving to Node #0,2 Current State: 51:[37, 19, 33], Operations: ['95-62=33'] Exploring Operation: 37-19=18, Resulting Numbers: [33, 18] Generated Node #0,2,2: 51:[33, 18] Operation: 37-19=18 Moving to Node #0,2,2 Current State: 51:[33, 18], Operations: ['95-62=33', '37-19=18'] Exploring Operation: 33+18=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.963542
hs_3
sum_heuristic
[ 83, 70, 44, 72 ]
78
[ "83-44=39", "72-70=2", "39*2=78" ]
Current State: 78:[83, 70, 44, 72], Operations: [] Exploring Operation: 83-44=39, Resulting Numbers: [70, 72, 39] Generated Node #2: [70, 72, 39] from Operation: 83-44=39 Current State: 78:[70, 72, 39], Operations: ['83-44=39'] Exploring Operation: 72-70=2, Resulting Numbers: [39, 2] Generated Node #3: [39, 2] from Operation: 72-70=2 Current State: 78:[39, 2], Operations: ['83-44=39', '72-70=2'] Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[83, 70, 44, 72], Operations: [] Exploring Operation: 83-70=13, Resulting Numbers: [44, 72, 13] Generated Node #0,0: 78:[44, 72, 13] Operation: 83-70=13 Exploring Operation: 72-70=2, Resulting Numbers: [83, 44, 2] Generated Node #0,1: 78:[83, 44, 2] Operation: 72-70=2 Moving to Node #0,1 Current State: 78:[83, 44, 2], Operations: ['72-70=2'] Exploring Operation: 83-2=81, Resulting Numbers: [44, 81] Generated Node #0,1,0: 78:[44, 81] Operation: 83-2=81 Exploring Operation: 83-44=39, Resulting Numbers: [2, 39] Generated Node #0,1,1: 78:[2, 39] Operation: 83-44=39 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[2, 39], Operations: ['72-70=2', '83-44=39'] Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,78 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[83, 70, 44, 72], Operations: [] Exploring Operation: 72-70=2, Resulting Numbers: [83, 44, 2] Generated Node #0,1: 78:[83, 44, 2] Operation: 72-70=2 Moving to Node #0,1 Current State: 78:[83, 44, 2], Operations: ['72-70=2'] Exploring Operation: 83-44=39, Resulting Numbers: [2, 39] Generated Node #0,1,1: 78:[2, 39] Operation: 83-44=39 Moving to Node #0,1,1 Current State: 78:[2, 39], Operations: ['72-70=2', '83-44=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 4, 57, 84, 12 ]
47
[ "12/4=3", "57+84=141", "141/3=47" ]
Current State: 47:[4, 57, 84, 12], Operations: [] Exploring Operation: 12/4=3, Resulting Numbers: [57, 84, 3] Generated Node #2: [57, 84, 3] from Operation: 12/4=3 Current State: 47:[57, 84, 3], Operations: ['12/4=3'] Exploring Operation: 57+84=141, Resulting Numbers: [3, 141] Generated Node #3: [3, 141] from Operation: 57+84=141 Current State: 47:[3, 141], Operations: ['12/4=3', '57+84=141'] Exploring Operation: 141/3=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[4, 57, 84, 12], Operations: [] Exploring Operation: 4+12=16, Resulting Numbers: [57, 84, 16] Generated Node #0,0: 47:[57, 84, 16] Operation: 4+12=16 Exploring Operation: 84/4=21, Resulting Numbers: [57, 12, 21] Generated Node #0,1: 47:[57, 12, 21] Operation: 84/4=21 Exploring Operation: 57-4=53, Resulting Numbers: [84, 12, 53] Generated Node #0,2: 47:[84, 12, 53] Operation: 57-4=53 Exploring Operation: 4*12=48, Resulting Numbers: [57, 84, 48] Generated Node #0,3: 47:[57, 84, 48] Operation: 4*12=48 Exploring Operation: 84-4=80, Resulting Numbers: [57, 12, 80] Generated Node #0,4: 47:[57, 12, 80] Operation: 84-4=80 Start Sub Search at level 1: Moving to Node #0,3 Current State: 47:[57, 84, 48], Operations: ['4*12=48'] Exploring Operation: 84-57=27, Resulting Numbers: [48, 27] Generated Node #0,3,0: 47:[48, 27] Operation: 84-57=27 Exploring Operation: 84-48=36, Resulting Numbers: [57, 36] Generated Node #0,3,1: 47:[57, 36] Operation: 84-48=36 Exploring Operation: 57+48=105, Resulting Numbers: [84, 105] Generated Node #0,3,2: 47:[84, 105] Operation: 57+48=105 Exploring Operation: 57+84=141, Resulting Numbers: [48, 141] Generated Node #0,3,3: 47:[48, 141] Operation: 57+84=141 Exploring Operation: 57-48=9, Resulting Numbers: [84, 9] Generated Node #0,3,4: 47:[84, 9] Operation: 57-48=9 Moving to Node #0,3,0 Current State: 47:[48, 27], Operations: ['4*12=48', '84-57=27'] Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,47 unequal: No Solution Exploring Operation: 48+27=75, Resulting Numbers: [75] 75,47 unequal: No Solution Exploring Operation: 48*27=1296, Resulting Numbers: [1296] 1296,47 unequal: No Solution Moving to Node #0,3,1 Current State: 47:[57, 36], Operations: ['4*12=48', '84-48=36'] Exploring Operation: 57*36=2052, Resulting Numbers: [2052] 2052,47 unequal: No Solution Exploring Operation: 57+36=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,47 unequal: No Solution Moving to Node #0,3,4 Current State: 47:[84, 9], Operations: ['4*12=48', '57-48=9'] Exploring Operation: 84*9=756, Resulting Numbers: [756] 756,47 unequal: No Solution Exploring Operation: 84-9=75, Resulting Numbers: [75] 75,47 unequal: No Solution Exploring Operation: 84+9=93, Resulting Numbers: [93] 93,47 unequal: No Solution Moving to Node #0,3,2 Current State: 47:[84, 105], Operations: ['4*12=48', '57+48=105'] Exploring Operation: 84+105=189, Resulting Numbers: [189] 189,47 unequal: No Solution Exploring Operation: 84*105=8820, Resulting Numbers: [8820] 8820,47 unequal: No Solution Exploring Operation: 105-84=21, Resulting Numbers: [21] 21,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[48, 141], Operations: ['4*12=48', '57+84=141'] Exploring Operation: 141-48=93, Resulting Numbers: [93] 93,47 unequal: No Solution Exploring Operation: 48+141=189, Resulting Numbers: [189] 189,47 unequal: No Solution Exploring Operation: 48*141=6768, Resulting Numbers: [6768] 6768,47 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 #0,1 Current State: 47:[57, 12, 21], Operations: ['84/4=21'] Exploring Operation: 21-12=9, Resulting Numbers: [57, 9] Generated Node #0,1,0: 47:[57, 9] Operation: 21-12=9 Exploring Operation: 57-21=36, Resulting Numbers: [12, 36] Generated Node #0,1,1: 47:[12, 36] Operation: 57-21=36 Exploring Operation: 57+12=69, Resulting Numbers: [21, 69] Generated Node #0,1,2: 47:[21, 69] Operation: 57+12=69 Exploring Operation: 12+21=33, Resulting Numbers: [57, 33] Generated Node #0,1,3: 47:[57, 33] Operation: 12+21=33 Exploring Operation: 57-12=45, Resulting Numbers: [21, 45] Generated Node #0,1,4: 47:[21, 45] Operation: 57-12=45 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 47:[57, 33], Operations: ['84/4=21', '12+21=33'] Exploring Operation: 57*33=1881, Resulting Numbers: [1881] 1881,47 unequal: No Solution Exploring Operation: 57-33=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 57+33=90, Resulting Numbers: [90] 90,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 47:[21, 45], Operations: ['84/4=21', '57-12=45'] Exploring Operation: 21+45=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 21*45=945, Resulting Numbers: [945] 945,47 unequal: No Solution Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[12, 36], Operations: ['84/4=21', '57-21=36'] Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,47 unequal: No Solution Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 36-12=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 12*36=432, Resulting Numbers: [432] 432,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[57, 9], Operations: ['84/4=21', '21-12=9'] Exploring Operation: 57+9=66, Resulting Numbers: [66] 66,47 unequal: No Solution Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 57*9=513, Resulting Numbers: [513] 513,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 47:[21, 69], Operations: ['84/4=21', '57+12=69'] Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 21+69=90, Resulting Numbers: [90] 90,47 unequal: No Solution Exploring Operation: 21*69=1449, Resulting Numbers: [1449] 1449,47 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: 47:[57, 84, 16], Operations: ['4+12=16'] Exploring Operation: 84+16=100, Resulting Numbers: [57, 100] Generated Node #0,0,0: 47:[57, 100] Operation: 84+16=100 Exploring Operation: 57-16=41, Resulting Numbers: [84, 41] Generated Node #0,0,1: 47:[84, 41] Operation: 57-16=41 Exploring Operation: 84-16=68, Resulting Numbers: [57, 68] Generated Node #0,0,2: 47:[57, 68] Operation: 84-16=68 Exploring Operation: 57+16=73, Resulting Numbers: [84, 73] Generated Node #0,0,3: 47:[84, 73] Operation: 57+16=73 Exploring Operation: 84-57=27, Resulting Numbers: [16, 27] Generated Node #0,0,4: 47:[16, 27] Operation: 84-57=27 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[57, 68], Operations: ['4+12=16', '84-16=68'] Exploring Operation: 57+68=125, Resulting Numbers: [125] 125,47 unequal: No Solution Exploring Operation: 57*68=3876, Resulting Numbers: [3876] 3876,47 unequal: No Solution Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[84, 41], Operations: ['4+12=16', '57-16=41'] Exploring Operation: 84-41=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 84+41=125, Resulting Numbers: [125] 125,47 unequal: No Solution Exploring Operation: 84*41=3444, Resulting Numbers: [3444] 3444,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 47:[16, 27], Operations: ['4+12=16', '84-57=27'] Exploring Operation: 16+27=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,47 unequal: No Solution Exploring Operation: 16*27=432, Resulting Numbers: [432] 432,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[57, 100], Operations: ['4+12=16', '84+16=100'] Exploring Operation: 57*100=5700, Resulting Numbers: [5700] 5700,47 unequal: No Solution Exploring Operation: 57+100=157, Resulting Numbers: [157] 157,47 unequal: No Solution Exploring Operation: 100-57=43, Resulting Numbers: [43] 43,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 47:[84, 73], Operations: ['4+12=16', '57+16=73'] Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,47 unequal: No Solution Exploring Operation: 84*73=6132, Resulting Numbers: [6132] 6132,47 unequal: No Solution Exploring Operation: 84+73=157, Resulting Numbers: [157] 157,47 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: 47:[84, 12, 53], Operations: ['57-4=53'] Exploring Operation: 84+12=96, Resulting Numbers: [53, 96] Generated Node #0,2,0: 47:[53, 96] Operation: 84+12=96 Exploring Operation: 84-53=31, Resulting Numbers: [12, 31] Generated Node #0,2,1: 47:[12, 31] Operation: 84-53=31 Exploring Operation: 53-12=41, Resulting Numbers: [84, 41] Generated Node #0,2,2: 47:[84, 41] Operation: 53-12=41 Exploring Operation: 84-12=72, Resulting Numbers: [53, 72] Generated Node #0,2,3: 47:[53, 72] Operation: 84-12=72 Exploring Operation: 84/12=7, Resulting Numbers: [53, 7] Generated Node #0,2,4: 47:[53, 7] Operation: 84/12=7 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 47:[53, 72], Operations: ['57-4=53', '84-12=72'] Exploring Operation: 72-53=19, Resulting Numbers: [19] 19,47 unequal: No Solution Exploring Operation: 53+72=125, Resulting Numbers: [125] 125,47 unequal: No Solution Exploring Operation: 53*72=3816, Resulting Numbers: [3816] 3816,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 47:[84, 41], Operations: ['57-4=53', '53-12=41'] Exploring Operation: 84-41=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 84*41=3444, Resulting Numbers: [3444] 3444,47 unequal: No Solution Exploring Operation: 84+41=125, Resulting Numbers: [125] 125,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 47:[53, 7], Operations: ['57-4=53', '84/12=7'] Exploring Operation: 53+7=60, Resulting Numbers: [60] 60,47 unequal: No Solution Exploring Operation: 53*7=371, Resulting Numbers: [371] 371,47 unequal: No Solution Exploring Operation: 53-7=46, Resulting Numbers: [46] 46,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 47:[12, 31], Operations: ['57-4=53', '84-53=31'] Exploring Operation: 12*31=372, Resulting Numbers: [372] 372,47 unequal: No Solution Exploring Operation: 12+31=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 47:[53, 96], Operations: ['57-4=53', '84+12=96'] Exploring Operation: 53+96=149, Resulting Numbers: [149] 149,47 unequal: No Solution Exploring Operation: 96-53=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 53*96=5088, Resulting Numbers: [5088] 5088,47 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: 47:[57, 12, 80], Operations: ['84-4=80'] Exploring Operation: 57-12=45, Resulting Numbers: [80, 45] Generated Node #0,4,0: 47:[80, 45] Operation: 57-12=45 Exploring Operation: 80-57=23, Resulting Numbers: [12, 23] Generated Node #0,4,1: 47:[12, 23] Operation: 80-57=23 Exploring Operation: 80-12=68, Resulting Numbers: [57, 68] Generated Node #0,4,2: 47:[57, 68] Operation: 80-12=68 Exploring Operation: 12+80=92, Resulting Numbers: [57, 92] Generated Node #0,4,3: 47:[57, 92] Operation: 12+80=92 Exploring Operation: 57+12=69, Resulting Numbers: [80, 69] Generated Node #0,4,4: 47:[80, 69] Operation: 57+12=69 Moving to Node #0,4,2 Current State: 47:[57, 68], Operations: ['84-4=80', '80-12=68'] Exploring Operation: 68-57=11, Resulting Numbers: [11] 11,47 unequal: No Solution Exploring Operation: 57*68=3876, Resulting Numbers: [3876] 3876,47 unequal: No Solution Exploring Operation: 57+68=125, Resulting Numbers: [125] 125,47 unequal: No Solution Moving to Node #0,4,0 Current State: 47:[80, 45], Operations: ['84-4=80', '57-12=45'] Exploring Operation: 80-45=35, Resulting Numbers: [35] 35,47 unequal: No Solution Exploring Operation: 80+45=125, Resulting Numbers: [125] 125,47 unequal: No Solution Exploring Operation: 80*45=3600, Resulting Numbers: [3600] 3600,47 unequal: No Solution Moving to Node #0,4,3 Current State: 47:[57, 92], Operations: ['84-4=80', '12+80=92'] Exploring Operation: 92-57=35, Resulting Numbers: [35] 35,47 unequal: No Solution Exploring Operation: 57+92=149, Resulting Numbers: [149] 149,47 unequal: No Solution Exploring Operation: 57*92=5244, Resulting Numbers: [5244] 5244,47 unequal: No Solution Moving to Node #0,4,4 Current State: 47:[80, 69], Operations: ['84-4=80', '57+12=69'] Exploring Operation: 80*69=5520, Resulting Numbers: [5520] 5520,47 unequal: No Solution Exploring Operation: 80+69=149, Resulting Numbers: [149] 149,47 unequal: No Solution Exploring Operation: 80-69=11, Resulting Numbers: [11] 11,47 unequal: No Solution Moving to Node #0,4,1 Current State: 47:[12, 23], Operations: ['84-4=80', '80-57=23'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,47 unequal: No Solution Exploring Operation: 12*23=276, Resulting Numbers: [276] 276,47 unequal: No Solution Exploring Operation: 12+23=35, Resulting Numbers: [35] 35,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 17, 2, 97, 54 ]
67
[ "97-17=80", "54+80=134", "134/2=67" ]
Current State: 67:[17, 2, 97, 54], Operations: [] Exploring Operation: 97-17=80, Resulting Numbers: [2, 54, 80] Generated Node #2: [2, 54, 80] from Operation: 97-17=80 Current State: 67:[2, 54, 80], Operations: ['97-17=80'] Exploring Operation: 54+80=134, Resulting Numbers: [2, 134] Generated Node #3: [2, 134] from Operation: 54+80=134 Current State: 67:[2, 134], Operations: ['97-17=80', '54+80=134'] Exploring Operation: 134/2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[17, 2, 97, 54], Operations: [] Exploring Operation: 17+2=19, Resulting Numbers: [97, 54, 19] Generated Node #0,0: 67:[97, 54, 19] Operation: 17+2=19 Exploring Operation: 97-17=80, Resulting Numbers: [2, 54, 80] Generated Node #0,1: 67:[2, 54, 80] Operation: 97-17=80 Exploring Operation: 17*2=34, Resulting Numbers: [97, 54, 34] Generated Node #0,2: 67:[97, 54, 34] Operation: 17*2=34 Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[97, 54, 34], Operations: ['17*2=34'] Exploring Operation: 97-34=63, Resulting Numbers: [54, 63] Generated Node #0,2,0: 67:[54, 63] Operation: 97-34=63 Exploring Operation: 97-54=43, Resulting Numbers: [34, 43] Generated Node #0,2,1: 67:[34, 43] Operation: 97-54=43 Exploring Operation: 54+34=88, Resulting Numbers: [97, 88] Generated Node #0,2,2: 67:[97, 88] Operation: 54+34=88 Moving to Node #0,2,0 Current State: 67:[54, 63], Operations: ['17*2=34', '97-34=63'] Exploring Operation: 54*63=3402, Resulting Numbers: [3402] 3402,67 unequal: No Solution Exploring Operation: 54+63=117, Resulting Numbers: [117] 117,67 unequal: No Solution Exploring Operation: 63-54=9, Resulting Numbers: [9] 9,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[97, 88], Operations: ['17*2=34', '54+34=88'] Exploring Operation: 97-88=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 97*88=8536, Resulting Numbers: [8536] 8536,67 unequal: No Solution Exploring Operation: 97+88=185, Resulting Numbers: [185] 185,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[34, 43], Operations: ['17*2=34', '97-54=43'] Exploring Operation: 43-34=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 34*43=1462, Resulting Numbers: [1462] 1462,67 unequal: No Solution Exploring Operation: 34+43=77, Resulting Numbers: [77] 77,67 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 Current State: 67:[97, 54, 19], Operations: ['17+2=19'] Exploring Operation: 97-19=78, Resulting Numbers: [54, 78] Generated Node #0,0,0: 67:[54, 78] Operation: 97-19=78 Exploring Operation: 97+19=116, Resulting Numbers: [54, 116] Generated Node #0,0,1: 67:[54, 116] Operation: 97+19=116 Exploring Operation: 54+19=73, Resulting Numbers: [97, 73] Generated Node #0,0,2: 67:[97, 73] Operation: 54+19=73 Moving to Node #0,0,0 Current State: 67:[54, 78], Operations: ['17+2=19', '97-19=78'] Exploring Operation: 54+78=132, Resulting Numbers: [132] 132,67 unequal: No Solution Exploring Operation: 54*78=4212, Resulting Numbers: [4212] 4212,67 unequal: No Solution Exploring Operation: 78-54=24, Resulting Numbers: [24] 24,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[97, 73], Operations: ['17+2=19', '54+19=73'] Exploring Operation: 97*73=7081, Resulting Numbers: [7081] 7081,67 unequal: No Solution Exploring Operation: 97-73=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 97+73=170, Resulting Numbers: [170] 170,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[54, 116], Operations: ['17+2=19', '97+19=116'] Exploring Operation: 54+116=170, Resulting Numbers: [170] 170,67 unequal: No Solution Exploring Operation: 116-54=62, Resulting Numbers: [62] 62,67 unequal: No Solution Exploring Operation: 54*116=6264, Resulting Numbers: [6264] 6264,67 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 Current State: 67:[2, 54, 80], Operations: ['97-17=80'] Exploring Operation: 80-2=78, Resulting Numbers: [54, 78] Generated Node #0,1,0: 67:[54, 78] Operation: 80-2=78 Exploring Operation: 54-2=52, Resulting Numbers: [80, 52] Generated Node #0,1,1: 67:[80, 52] Operation: 54-2=52 Exploring Operation: 2+54=56, Resulting Numbers: [80, 56] Generated Node #0,1,2: 67:[80, 56] Operation: 2+54=56 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[54, 78], Operations: ['97-17=80', '80-2=78'] Exploring Operation: 78-54=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 54+78=132, Resulting Numbers: [132] 132,67 unequal: No Solution Exploring Operation: 54*78=4212, Resulting Numbers: [4212] 4212,67 unequal: No Solution No 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: 67:[80, 56], Operations: ['97-17=80', '2+54=56'] Exploring Operation: 80+56=136, Resulting Numbers: [136] 136,67 unequal: No Solution Exploring Operation: 80-56=24, Resulting Numbers: [24] 24,67 unequal: No Solution Exploring Operation: 80*56=4480, Resulting Numbers: [4480] 4480,67 unequal: No Solution No 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: 67:[80, 52], Operations: ['97-17=80', '54-2=52'] Exploring Operation: 80-52=28, Resulting Numbers: [28] 28,67 unequal: No Solution Exploring Operation: 80+52=132, Resulting Numbers: [132] 132,67 unequal: No Solution Exploring Operation: 80*52=4160, Resulting Numbers: [4160] 4160,67 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
[ 48, 67, 21, 77 ]
17
[ "48+67=115", "21+77=98", "115-98=17" ]
Current State: 17:[48, 67, 21, 77], Operations: [] Exploring Operation: 48+67=115, Resulting Numbers: [21, 77, 115] Generated Node #2: [21, 77, 115] from Operation: 48+67=115 Current State: 17:[21, 77, 115], Operations: ['48+67=115'] Exploring Operation: 21+77=98, Resulting Numbers: [115, 98] Generated Node #3: [115, 98] from Operation: 21+77=98 Current State: 17:[115, 98], Operations: ['48+67=115', '21+77=98'] Exploring Operation: 115-98=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[48, 67, 21, 77], Operations: [] Exploring Operation: 77-67=10, Resulting Numbers: [48, 21, 10] Generated Node #0,0: 17:[48, 21, 10] Operation: 77-67=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[48, 21, 10], Operations: ['77-67=10'] Exploring Operation: 48-21=27, Resulting Numbers: [10, 27] Generated Node #0,0,0: 17:[10, 27] Operation: 48-21=27 Moving to Node #0,0,0 Current State: 17:[10, 27], Operations: ['77-67=10', '48-21=27'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[48, 67, 21, 77], Operations: [] Exploring Operation: 77-67=10, Resulting Numbers: [48, 21, 10] Generated Node #0,0: 17:[48, 21, 10] Operation: 77-67=10 Moving to Node #0,0 Current State: 17:[48, 21, 10], Operations: ['77-67=10'] Exploring Operation: 48-21=27, Resulting Numbers: [10, 27] Generated Node #0,0,0: 17:[10, 27] Operation: 48-21=27 Moving to Node #0,0,0 Current State: 17:[10, 27], Operations: ['77-67=10', '48-21=27'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 89, 62, 68, 15 ]
56
[ "89-62=27", "68+15=83", "83-27=56" ]
Current State: 56:[89, 62, 68, 15], Operations: [] Exploring Operation: 89-62=27, Resulting Numbers: [68, 15, 27] Generated Node #2: [68, 15, 27] from Operation: 89-62=27 Current State: 56:[68, 15, 27], Operations: ['89-62=27'] Exploring Operation: 68+15=83, Resulting Numbers: [27, 83] Generated Node #3: [27, 83] from Operation: 68+15=83 Current State: 56:[27, 83], Operations: ['89-62=27', '68+15=83'] Exploring Operation: 83-27=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[89, 62, 68, 15], Operations: [] Exploring Operation: 68-15=53, Resulting Numbers: [89, 62, 53] Generated Node #0,0: 56:[89, 62, 53] Operation: 68-15=53 Exploring Operation: 89-68=21, Resulting Numbers: [62, 15, 21] Generated Node #0,1: 56:[62, 15, 21] Operation: 89-68=21 Exploring Operation: 89-15=74, Resulting Numbers: [62, 68, 74] Generated Node #0,2: 56:[62, 68, 74] Operation: 89-15=74 Exploring Operation: 89-62=27, Resulting Numbers: [68, 15, 27] Generated Node #0,3: 56:[68, 15, 27] Operation: 89-62=27 Exploring Operation: 68-62=6, Resulting Numbers: [89, 15, 6] Generated Node #0,4: 56:[89, 15, 6] Operation: 68-62=6 Moving to Node #0,1 Current State: 56:[62, 15, 21], Operations: ['89-68=21'] Exploring Operation: 62-21=41, Resulting Numbers: [15, 41] Generated Node #0,1,0: 56:[15, 41] Operation: 62-21=41 Exploring Operation: 21-15=6, Resulting Numbers: [62, 6] Generated Node #0,1,1: 56:[62, 6] Operation: 21-15=6 Exploring Operation: 62-15=47, Resulting Numbers: [21, 47] Generated Node #0,1,2: 56:[21, 47] Operation: 62-15=47 Exploring Operation: 62+15=77, Resulting Numbers: [21, 77] Generated Node #0,1,3: 56:[21, 77] Operation: 62+15=77 Exploring Operation: 15+21=36, Resulting Numbers: [62, 36] Generated Node #0,1,4: 56:[62, 36] Operation: 15+21=36 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[62, 6], Operations: ['89-68=21', '21-15=6'] Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,56 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[89, 62, 68, 15], Operations: [] Exploring Operation: 89-68=21, Resulting Numbers: [62, 15, 21] Generated Node #0,1: 56:[62, 15, 21] Operation: 89-68=21 Moving to Node #0,1 Current State: 56:[62, 15, 21], Operations: ['89-68=21'] Exploring Operation: 21-15=6, Resulting Numbers: [62, 6] Generated Node #0,1,1: 56:[62, 6] Operation: 21-15=6 Moving to Node #0,1,1 Current State: 56:[62, 6], Operations: ['89-68=21', '21-15=6'] Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 59, 11, 6, 55 ]
91
[ "11*55=605", "605-59=546", "546/6=91" ]
Current State: 91:[59, 11, 6, 55], Operations: [] Exploring Operation: 11*55=605, Resulting Numbers: [59, 6, 605] Generated Node #2: [59, 6, 605] from Operation: 11*55=605 Current State: 91:[59, 6, 605], Operations: ['11*55=605'] Exploring Operation: 605-59=546, Resulting Numbers: [6, 546] Generated Node #3: [6, 546] from Operation: 605-59=546 Current State: 91:[6, 546], Operations: ['11*55=605', '605-59=546'] Exploring Operation: 546/6=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[59, 11, 6, 55], Operations: [] Exploring Operation: 59-55=4, Resulting Numbers: [11, 6, 4] Generated Node #0,0: 91:[11, 6, 4] Operation: 59-55=4 Exploring Operation: 59+11=70, Resulting Numbers: [6, 55, 70] Generated Node #0,1: 91:[6, 55, 70] Operation: 59+11=70 Exploring Operation: 55/11=5, Resulting Numbers: [59, 6, 5] Generated Node #0,2: 91:[59, 6, 5] Operation: 55/11=5 Exploring Operation: 59+55=114, Resulting Numbers: [11, 6, 114] Generated Node #0,3: 91:[11, 6, 114] Operation: 59+55=114 Exploring Operation: 11+55=66, Resulting Numbers: [59, 6, 66] Generated Node #0,4: 91:[59, 6, 66] Operation: 11+55=66 Moving to Node #0,0 Current State: 91:[11, 6, 4], Operations: ['59-55=4'] Exploring Operation: 6+4=10, Resulting Numbers: [11, 10] Generated Node #0,0,0: 91:[11, 10] Operation: 6+4=10 Exploring Operation: 11-4=7, Resulting Numbers: [6, 7] Generated Node #0,0,1: 91:[6, 7] Operation: 11-4=7 Exploring Operation: 11-6=5, Resulting Numbers: [4, 5] Generated Node #0,0,2: 91:[4, 5] Operation: 11-6=5 Exploring Operation: 11+6=17, Resulting Numbers: [4, 17] Generated Node #0,0,3: 91:[4, 17] Operation: 11+6=17 Exploring Operation: 11+4=15, Resulting Numbers: [6, 15] Generated Node #0,0,4: 91:[6, 15] Operation: 11+4=15 Moving to Node #0,3 Current State: 91:[11, 6, 114], Operations: ['59+55=114'] Exploring Operation: 114/6=19, Resulting Numbers: [11, 19] Generated Node #0,3,0: 91:[11, 19] Operation: 114/6=19 Exploring Operation: 11+6=17, Resulting Numbers: [114, 17] Generated Node #0,3,1: 91:[114, 17] Operation: 11+6=17 Exploring Operation: 114-6=108, Resulting Numbers: [11, 108] Generated Node #0,3,2: 91:[11, 108] Operation: 114-6=108 Exploring Operation: 114-11=103, Resulting Numbers: [6, 103] Generated Node #0,3,3: 91:[6, 103] Operation: 114-11=103 Exploring Operation: 11-6=5, Resulting Numbers: [114, 5] Generated Node #0,3,4: 91:[114, 5] Operation: 11-6=5 Moving to Node #0,2 Current State: 91:[59, 6, 5], Operations: ['55/11=5'] Exploring Operation: 59-5=54, Resulting Numbers: [6, 54] Generated Node #0,2,0: 91:[6, 54] Operation: 59-5=54 Exploring Operation: 59+5=64, Resulting Numbers: [6, 64] Generated Node #0,2,1: 91:[6, 64] Operation: 59+5=64 Exploring Operation: 6-5=1, Resulting Numbers: [59, 1] Generated Node #0,2,2: 91:[59, 1] Operation: 6-5=1 Exploring Operation: 6+5=11, Resulting Numbers: [59, 11] Generated Node #0,2,3: 91:[59, 11] Operation: 6+5=11 Exploring Operation: 59+6=65, Resulting Numbers: [5, 65] Generated Node #0,2,4: 91:[5, 65] Operation: 59+6=65 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 91:[6, 64], Operations: ['55/11=5', '59+5=64'] Exploring Operation: 64-6=58, Resulting Numbers: [58] 58,91 unequal: No Solution Exploring Operation: 6*64=384, Resulting Numbers: [384] 384,91 unequal: No Solution Exploring Operation: 6+64=70, Resulting Numbers: [70] 70,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 91:[5, 65], Operations: ['55/11=5', '59+6=65'] Exploring Operation: 5+65=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,91 unequal: No Solution Exploring Operation: 5*65=325, Resulting Numbers: [325] 325,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 91:[59, 11], Operations: ['55/11=5', '6+5=11'] Exploring Operation: 59+11=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 59*11=649, Resulting Numbers: [649] 649,91 unequal: No Solution Exploring Operation: 59-11=48, Resulting Numbers: [48] 48,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 91:[6, 54], Operations: ['55/11=5', '59-5=54'] Exploring Operation: 6*54=324, Resulting Numbers: [324] 324,91 unequal: No Solution Exploring Operation: 54/6=9, Resulting Numbers: [9] 9,91 unequal: No Solution Exploring Operation: 54-6=48, Resulting Numbers: [48] 48,91 unequal: No Solution Exploring Operation: 6+54=60, Resulting Numbers: [60] 60,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 91:[59, 1], Operations: ['55/11=5', '6-5=1'] Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,91 unequal: No Solution Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,91 unequal: No Solution Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,91 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 91:[6, 55, 70], Operations: ['59+11=70'] Exploring Operation: 6+70=76, Resulting Numbers: [55, 76] Generated Node #0,1,0: 91:[55, 76] Operation: 6+70=76 Exploring Operation: 55-6=49, Resulting Numbers: [70, 49] Generated Node #0,1,1: 91:[70, 49] Operation: 55-6=49 Exploring Operation: 55+70=125, Resulting Numbers: [6, 125] Generated Node #0,1,2: 91:[6, 125] Operation: 55+70=125 Exploring Operation: 70-55=15, Resulting Numbers: [6, 15] Generated Node #0,1,3: 91:[6, 15] Operation: 70-55=15 Exploring Operation: 6+55=61, Resulting Numbers: [70, 61] Generated Node #0,1,4: 91:[70, 61] Operation: 6+55=61 Moving to Node #0,4 Current State: 91:[59, 6, 66], Operations: ['11+55=66'] Exploring Operation: 66-59=7, Resulting Numbers: [6, 7] Generated Node #0,4,0: 91:[6, 7] Operation: 66-59=7 Exploring Operation: 59+66=125, Resulting Numbers: [6, 125] Generated Node #0,4,1: 91:[6, 125] Operation: 59+66=125 Exploring Operation: 6+66=72, Resulting Numbers: [59, 72] Generated Node #0,4,2: 91:[59, 72] Operation: 6+66=72 Exploring Operation: 59+6=65, Resulting Numbers: [66, 65] Generated Node #0,4,3: 91:[66, 65] Operation: 59+6=65 Exploring Operation: 66/6=11, Resulting Numbers: [59, 11] Generated Node #0,4,4: 91:[59, 11] Operation: 66/6=11 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 91:[6, 7], Operations: ['11+55=66', '66-59=7'] Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,91 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 #0,4,4 Current State: 91:[59, 11], Operations: ['11+55=66', '66/6=11'] Exploring Operation: 59*11=649, Resulting Numbers: [649] 649,91 unequal: No Solution Exploring Operation: 59+11=70, Resulting Numbers: [70] 70,91 unequal: No Solution Exploring Operation: 59-11=48, Resulting Numbers: [48] 48,91 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 #0,4,1 Current State: 91:[6, 125], Operations: ['11+55=66', '59+66=125'] Exploring Operation: 6+125=131, Resulting Numbers: [131] 131,91 unequal: No Solution Exploring Operation: 125-6=119, Resulting Numbers: [119] 119,91 unequal: No Solution Exploring Operation: 6*125=750, Resulting Numbers: [750] 750,91 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 #0,4,2 Current State: 91:[59, 72], Operations: ['11+55=66', '6+66=72'] Exploring Operation: 59+72=131, Resulting Numbers: [131] 131,91 unequal: No Solution Exploring Operation: 72-59=13, Resulting Numbers: [13] 13,91 unequal: No Solution Exploring Operation: 59*72=4248, Resulting Numbers: [4248] 4248,91 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 #0,4,3 Current State: 91:[66, 65], Operations: ['11+55=66', '59+6=65'] Exploring Operation: 66+65=131, Resulting Numbers: [131] 131,91 unequal: No Solution Exploring Operation: 66*65=4290, Resulting Numbers: [4290] 4290,91 unequal: No Solution Exploring Operation: 66-65=1, Resulting Numbers: [1] 1,91 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: 91:[6, 7], Operations: ['59-55=4', '11-4=7'] Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,91 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,91 unequal: No Solution Moving to Node #0,0,4 Current State: 91:[6, 15], Operations: ['59-55=4', '11+4=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,91 unequal: No Solution Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,91 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,91 unequal: No Solution Moving to Node #0,1,3 Current State: 91:[6, 15], Operations: ['59+11=70', '70-55=15'] Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,91 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,91 unequal: No Solution Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,91 unequal: No Solution Moving to Node #0,0,0 Current State: 91:[11, 10], Operations: ['59-55=4', '6+4=10'] Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,91 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,91 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,91 unequal: No Solution Moving to Node #0,0,2 Current State: 91:[4, 5], Operations: ['59-55=4', '11-6=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,91 unequal: No Solution Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,91 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,91 unequal: No Solution Moving to Node #0,0,3 Current State: 91:[4, 17], Operations: ['59-55=4', '11+6=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,91 unequal: No Solution Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,91 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,91 unequal: No Solution Moving to Node #0,3,0 Current State: 91:[11, 19], Operations: ['59+55=114', '114/6=19'] Exploring Operation: 11*19=209, Resulting Numbers: [209] 209,91 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,91 unequal: No Solution Exploring Operation: 11+19=30, Resulting Numbers: [30] 30,91 unequal: No Solution Moving to Node #0,3,3 Current State: 91:[6, 103], Operations: ['59+55=114', '114-11=103'] Exploring Operation: 103-6=97, Resulting Numbers: [97] 97,91 unequal: No Solution Exploring Operation: 6*103=618, Resulting Numbers: [618] 618,91 unequal: No Solution Exploring Operation: 6+103=109, Resulting Numbers: [109] 109,91 unequal: No Solution Moving to Node #0,3,2 Current State: 91:[11, 108], Operations: ['59+55=114', '114-6=108'] Exploring Operation: 11+108=119, Resulting Numbers: [119] 119,91 unequal: No Solution Exploring Operation: 11*108=1188, Resulting Numbers: [1188] 1188,91 unequal: No Solution Exploring Operation: 108-11=97, Resulting Numbers: [97] 97,91 unequal: No Solution Moving to Node #0,3,4 Current State: 91:[114, 5], Operations: ['59+55=114', '11-6=5'] Exploring Operation: 114+5=119, Resulting Numbers: [119] 119,91 unequal: No Solution Exploring Operation: 114-5=109, Resulting Numbers: [109] 109,91 unequal: No Solution Exploring Operation: 114*5=570, Resulting Numbers: [570] 570,91 unequal: No Solution Moving to Node #0,3,1 Current State: 91:[114, 17], Operations: ['59+55=114', '11+6=17'] Exploring Operation: 114+17=131, Resulting Numbers: [131] 131,91 unequal: No Solution Exploring Operation: 114*17=1938, Resulting Numbers: [1938] 1938,91 unequal: No Solution Exploring Operation: 114-17=97, Resulting Numbers: [97] 97,91 unequal: No Solution Moving to Node #0,1,2 Current State: 91:[6, 125], Operations: ['59+11=70', '55+70=125'] Exploring Operation: 6+125=131, Resulting Numbers: [131] 131,91 unequal: No Solution Exploring Operation: 125-6=119, Resulting Numbers: [119] 119,91 unequal: No Solution Exploring Operation: 6*125=750, Resulting Numbers: [750] 750,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[55, 76], Operations: ['59+11=70', '6+70=76'] Exploring Operation: 76-55=21, Resulting Numbers: [21] 21,91 unequal: No Solution Exploring Operation: 55*76=4180, Resulting Numbers: [4180] 4180,91 unequal: No Solution Exploring Operation: 55+76=131, Resulting Numbers: [131] 131,91 unequal: No Solution Moving to Node #0,1,4 Current State: 91:[70, 61], Operations: ['59+11=70', '6+55=61'] Exploring Operation: 70*61=4270, Resulting Numbers: [4270] 4270,91 unequal: No Solution Exploring Operation: 70+61=131, Resulting Numbers: [131] 131,91 unequal: No Solution Exploring Operation: 70-61=9, Resulting Numbers: [9] 9,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[70, 49], Operations: ['59+11=70', '55-6=49'] Exploring Operation: 70*49=3430, Resulting Numbers: [3430] 3430,91 unequal: No Solution Exploring Operation: 70-49=21, Resulting Numbers: [21] 21,91 unequal: No Solution Exploring Operation: 70+49=119, Resulting Numbers: [119] 119,91 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 75, 30, 60, 32 ]
64
[ "75-60=15", "30*32=960", "960/15=64" ]
Current State: 64:[75, 30, 60, 32], Operations: [] Exploring Operation: 75-60=15, Resulting Numbers: [30, 32, 15] Generated Node #2: [30, 32, 15] from Operation: 75-60=15 Current State: 64:[30, 32, 15], Operations: ['75-60=15'] Exploring Operation: 30*32=960, Resulting Numbers: [15, 960] Generated Node #3: [15, 960] from Operation: 30*32=960 Current State: 64:[15, 960], Operations: ['75-60=15', '30*32=960'] Exploring Operation: 960/15=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[75, 30, 60, 32], Operations: [] Exploring Operation: 75-60=15, Resulting Numbers: [30, 32, 15] Generated Node #0,0: 64:[30, 32, 15] Operation: 75-60=15 Exploring Operation: 60/30=2, Resulting Numbers: [75, 32, 2] Generated Node #0,1: 64:[75, 32, 2] Operation: 60/30=2 Exploring Operation: 60-30=30, Resulting Numbers: [75, 32, 30] Generated Node #0,2: 64:[75, 32, 30] Operation: 60-30=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[30, 32, 15], Operations: ['75-60=15'] Exploring Operation: 30-15=15, Resulting Numbers: [32, 15] Generated Node #0,0,0: 64:[32, 15] Operation: 30-15=15 Exploring Operation: 30/15=2, Resulting Numbers: [32, 2] Generated Node #0,0,1: 64:[32, 2] Operation: 30/15=2 Exploring Operation: 32-30=2, Resulting Numbers: [15, 2] Generated Node #0,0,2: 64:[15, 2] Operation: 32-30=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 64:[32, 2], Operations: ['75-60=15', '30/15=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[75, 30, 60, 32], Operations: [] Exploring Operation: 75-60=15, Resulting Numbers: [30, 32, 15] Generated Node #0,0: 64:[30, 32, 15] Operation: 75-60=15 Moving to Node #0,0 Current State: 64:[30, 32, 15], Operations: ['75-60=15'] Exploring Operation: 30/15=2, Resulting Numbers: [32, 2] Generated Node #0,0,1: 64:[32, 2] Operation: 30/15=2 Moving to Node #0,0,1 Current State: 64:[32, 2], Operations: ['75-60=15', '30/15=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 94, 73, 36, 46 ]
31
[ "94-73=21", "46-36=10", "21+10=31" ]
Current State: 31:[94, 73, 36, 46], Operations: [] Exploring Operation: 94-73=21, Resulting Numbers: [36, 46, 21] Generated Node #2: [36, 46, 21] from Operation: 94-73=21 Current State: 31:[36, 46, 21], Operations: ['94-73=21'] Exploring Operation: 46-36=10, Resulting Numbers: [21, 10] Generated Node #3: [21, 10] from Operation: 46-36=10 Current State: 31:[21, 10], Operations: ['94-73=21', '46-36=10'] Exploring Operation: 21+10=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[94, 73, 36, 46], Operations: [] Exploring Operation: 94-73=21, Resulting Numbers: [36, 46, 21] Generated Node #0,0: 31:[36, 46, 21] Operation: 94-73=21 Exploring Operation: 94-46=48, Resulting Numbers: [73, 36, 48] Generated Node #0,1: 31:[73, 36, 48] Operation: 94-46=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[36, 46, 21], Operations: ['94-73=21'] Exploring Operation: 46-21=25, Resulting Numbers: [36, 25] Generated Node #0,0,0: 31:[36, 25] Operation: 46-21=25 Exploring Operation: 46-36=10, Resulting Numbers: [21, 10] Generated Node #0,0,1: 31:[21, 10] Operation: 46-36=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[36, 25], Operations: ['94-73=21', '46-21=25'] Exploring Operation: 36-25=11, Resulting Numbers: [11] 11,31 unequal: No Solution Exploring Operation: 36+25=61, Resulting Numbers: [61] 61,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 31:[21, 10], Operations: ['94-73=21', '46-36=10'] Exploring Operation: 21+10=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[94, 73, 36, 46], Operations: [] Exploring Operation: 94-73=21, Resulting Numbers: [36, 46, 21] Generated Node #0,0: 31:[36, 46, 21] Operation: 94-73=21 Moving to Node #0,0 Current State: 31:[36, 46, 21], Operations: ['94-73=21'] Exploring Operation: 46-36=10, Resulting Numbers: [21, 10] Generated Node #0,0,1: 31:[21, 10] Operation: 46-36=10 Moving to Node #0,0,1 Current State: 31:[21, 10], Operations: ['94-73=21', '46-36=10'] Exploring Operation: 21+10=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 26, 63, 57, 78 ]
23
[ "78-57=21", "63/21=3", "26-3=23" ]
Current State: 23:[26, 63, 57, 78], Operations: [] Exploring Operation: 78-57=21, Resulting Numbers: [26, 63, 21] Generated Node #2: [26, 63, 21] from Operation: 78-57=21 Current State: 23:[26, 63, 21], Operations: ['78-57=21'] Exploring Operation: 63/21=3, Resulting Numbers: [26, 3] Generated Node #3: [26, 3] from Operation: 63/21=3 Current State: 23:[26, 3], Operations: ['78-57=21', '63/21=3'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[26, 63, 57, 78], Operations: [] Exploring Operation: 78-63=15, Resulting Numbers: [26, 57, 15] Generated Node #0,0: 23:[26, 57, 15] Operation: 78-63=15 Moving to Node #0,0 Current State: 23:[26, 57, 15], Operations: ['78-63=15'] Exploring Operation: 57-26=31, Resulting Numbers: [15, 31] Generated Node #0,0,0: 23:[15, 31] Operation: 57-26=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[15, 31], Operations: ['78-63=15', '57-26=31'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,23 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
[ 50, 47, 78, 77 ]
58
[ "50+47=97", "78+77=155", "155-97=58" ]
Current State: 58:[50, 47, 78, 77], Operations: [] Exploring Operation: 50+47=97, Resulting Numbers: [78, 77, 97] Generated Node #2: [78, 77, 97] from Operation: 50+47=97 Current State: 58:[78, 77, 97], Operations: ['50+47=97'] Exploring Operation: 78+77=155, Resulting Numbers: [97, 155] Generated Node #3: [97, 155] from Operation: 78+77=155 Current State: 58:[97, 155], Operations: ['50+47=97', '78+77=155'] Exploring Operation: 155-97=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[50, 47, 78, 77], Operations: [] Exploring Operation: 78-47=31, Resulting Numbers: [50, 77, 31] Generated Node #0,0: 58:[50, 77, 31] Operation: 78-47=31 Exploring Operation: 78-77=1, Resulting Numbers: [50, 47, 1] Generated Node #0,1: 58:[50, 47, 1] Operation: 78-77=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[50, 47, 1], Operations: ['78-77=1'] Exploring Operation: 50-47=3, Resulting Numbers: [1, 3] Generated Node #0,1,0: 58:[1, 3] Operation: 50-47=3 Exploring Operation: 50+1=51, Resulting Numbers: [47, 51] Generated Node #0,1,1: 58:[47, 51] Operation: 50+1=51 Moving to Node #0,1,0 Current State: 58:[1, 3], Operations: ['78-77=1', '50-47=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[47, 51], Operations: ['78-77=1', '50+1=51'] Exploring Operation: 51-47=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 47+51=98, Resulting Numbers: [98] 98,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[50, 77, 31], Operations: ['78-47=31'] Exploring Operation: 77-50=27, Resulting Numbers: [31, 27] Generated Node #0,0,0: 58:[31, 27] Operation: 77-50=27 Exploring Operation: 77-31=46, Resulting Numbers: [50, 46] Generated Node #0,0,1: 58:[50, 46] Operation: 77-31=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[31, 27], Operations: ['78-47=31', '77-50=27'] Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,58 unequal: No Solution Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[50, 47, 78, 77], Operations: [] Exploring Operation: 78-47=31, Resulting Numbers: [50, 77, 31] Generated Node #0,0: 58:[50, 77, 31] Operation: 78-47=31 Moving to Node #0,0 Current State: 58:[50, 77, 31], Operations: ['78-47=31'] Exploring Operation: 77-50=27, Resulting Numbers: [31, 27] Generated Node #0,0,0: 58:[31, 27] Operation: 77-50=27 Moving to Node #0,0,0 Current State: 58:[31, 27], Operations: ['78-47=31', '77-50=27'] Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 25, 4, 57, 3 ]
24
[ "57-25=32", "32/4=8", "3*8=24" ]
Current State: 24:[25, 4, 57, 3], Operations: [] Exploring Operation: 57-25=32, Resulting Numbers: [4, 3, 32] Generated Node #2: [4, 3, 32] from Operation: 57-25=32 Current State: 24:[4, 3, 32], Operations: ['57-25=32'] Exploring Operation: 32/4=8, Resulting Numbers: [3, 8] Generated Node #3: [3, 8] from Operation: 32/4=8 Current State: 24:[3, 8], Operations: ['57-25=32', '32/4=8'] Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[25, 4, 57, 3], Operations: [] Exploring Operation: 57/3=19, Resulting Numbers: [25, 4, 19] Generated Node #0,0: 24:[25, 4, 19] Operation: 57/3=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[25, 4, 19], Operations: ['57/3=19'] Exploring Operation: 25-19=6, Resulting Numbers: [4, 6] Generated Node #0,0,0: 24:[4, 6] Operation: 25-19=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[4, 6], Operations: ['57/3=19', '25-19=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[25, 4, 57, 3], Operations: [] Exploring Operation: 57/3=19, Resulting Numbers: [25, 4, 19] Generated Node #0,0: 24:[25, 4, 19] Operation: 57/3=19 Moving to Node #0,0 Current State: 24:[25, 4, 19], Operations: ['57/3=19'] Exploring Operation: 25-19=6, Resulting Numbers: [4, 6] Generated Node #0,0,0: 24:[4, 6] Operation: 25-19=6 Moving to Node #0,0,0 Current State: 24:[4, 6], Operations: ['57/3=19', '25-19=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 17, 54, 46, 84 ]
33
[ "17+54=71", "84-46=38", "71-38=33" ]
Current State: 33:[17, 54, 46, 84], Operations: [] Exploring Operation: 17+54=71, Resulting Numbers: [46, 84, 71] Generated Node #2: [46, 84, 71] from Operation: 17+54=71 Current State: 33:[46, 84, 71], Operations: ['17+54=71'] Exploring Operation: 84-46=38, Resulting Numbers: [71, 38] Generated Node #3: [71, 38] from Operation: 84-46=38 Current State: 33:[71, 38], Operations: ['17+54=71', '84-46=38'] Exploring Operation: 71-38=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[17, 54, 46, 84], Operations: [] Exploring Operation: 84-46=38, Resulting Numbers: [17, 54, 38] Generated Node #0,0: 33:[17, 54, 38] Operation: 84-46=38 Exploring Operation: 84-17=67, Resulting Numbers: [54, 46, 67] Generated Node #0,1: 33:[54, 46, 67] Operation: 84-17=67 Exploring Operation: 84-54=30, Resulting Numbers: [17, 46, 30] Generated Node #0,2: 33:[17, 46, 30] Operation: 84-54=30 Exploring Operation: 54-17=37, Resulting Numbers: [46, 84, 37] Generated Node #0,3: 33:[46, 84, 37] Operation: 54-17=37 Exploring Operation: 54-46=8, Resulting Numbers: [17, 84, 8] Generated Node #0,4: 33:[17, 84, 8] Operation: 54-46=8 Moving to Node #0,2 Current State: 33:[17, 46, 30], Operations: ['84-54=30'] Exploring Operation: 17+46=63, Resulting Numbers: [30, 63] Generated Node #0,2,0: 33:[30, 63] Operation: 17+46=63 Exploring Operation: 30-17=13, Resulting Numbers: [46, 13] Generated Node #0,2,1: 33:[46, 13] Operation: 30-17=13 Exploring Operation: 17+30=47, Resulting Numbers: [46, 47] Generated Node #0,2,2: 33:[46, 47] Operation: 17+30=47 Exploring Operation: 46-17=29, Resulting Numbers: [30, 29] Generated Node #0,2,3: 33:[30, 29] Operation: 46-17=29 Exploring Operation: 46-30=16, Resulting Numbers: [17, 16] Generated Node #0,2,4: 33:[17, 16] Operation: 46-30=16 Moving to Node #0,0 Current State: 33:[17, 54, 38], Operations: ['84-46=38'] Exploring Operation: 54-38=16, Resulting Numbers: [17, 16] Generated Node #0,0,0: 33:[17, 16] Operation: 54-38=16 Exploring Operation: 17+38=55, Resulting Numbers: [54, 55] Generated Node #0,0,1: 33:[54, 55] Operation: 17+38=55 Exploring Operation: 38-17=21, Resulting Numbers: [54, 21] Generated Node #0,0,2: 33:[54, 21] Operation: 38-17=21 Exploring Operation: 54-17=37, Resulting Numbers: [38, 37] Generated Node #0,0,3: 33:[38, 37] Operation: 54-17=37 Exploring Operation: 17+54=71, Resulting Numbers: [38, 71] Generated Node #0,0,4: 33:[38, 71] Operation: 17+54=71 Moving to Node #0,4 Current State: 33:[17, 84, 8], Operations: ['54-46=8'] Exploring Operation: 84-17=67, Resulting Numbers: [8, 67] Generated Node #0,4,0: 33:[8, 67] Operation: 84-17=67 Exploring Operation: 17+8=25, Resulting Numbers: [84, 25] Generated Node #0,4,1: 33:[84, 25] Operation: 17+8=25 Exploring Operation: 17-8=9, Resulting Numbers: [84, 9] Generated Node #0,4,2: 33:[84, 9] Operation: 17-8=9 Exploring Operation: 84+8=92, Resulting Numbers: [17, 92] Generated Node #0,4,3: 33:[17, 92] Operation: 84+8=92 Exploring Operation: 84-8=76, Resulting Numbers: [17, 76] Generated Node #0,4,4: 33:[17, 76] Operation: 84-8=76 Moving to Node #0,1 Current State: 33:[54, 46, 67], Operations: ['84-17=67'] Exploring Operation: 54-46=8, Resulting Numbers: [67, 8] Generated Node #0,1,0: 33:[67, 8] Operation: 54-46=8 Exploring Operation: 67-54=13, Resulting Numbers: [46, 13] Generated Node #0,1,1: 33:[46, 13] Operation: 67-54=13 Exploring Operation: 54+67=121, Resulting Numbers: [46, 121] Generated Node #0,1,2: 33:[46, 121] Operation: 54+67=121 Exploring Operation: 54+46=100, Resulting Numbers: [67, 100] Generated Node #0,1,3: 33:[67, 100] Operation: 54+46=100 Exploring Operation: 67-46=21, Resulting Numbers: [54, 21] Generated Node #0,1,4: 33:[54, 21] Operation: 67-46=21 Moving to Node #0,3 Current State: 33:[46, 84, 37], Operations: ['54-17=37'] Exploring Operation: 84-37=47, Resulting Numbers: [46, 47] Generated Node #0,3,0: 33:[46, 47] Operation: 84-37=47 Exploring Operation: 46+37=83, Resulting Numbers: [84, 83] Generated Node #0,3,1: 33:[84, 83] Operation: 46+37=83 Exploring Operation: 46+84=130, Resulting Numbers: [37, 130] Generated Node #0,3,2: 33:[37, 130] Operation: 46+84=130 Exploring Operation: 46-37=9, Resulting Numbers: [84, 9] Generated Node #0,3,3: 33:[84, 9] Operation: 46-37=9 Exploring Operation: 84-46=38, Resulting Numbers: [37, 38] Generated Node #0,3,4: 33:[37, 38] Operation: 84-46=38 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 33:[37, 38], Operations: ['54-17=37', '84-46=38'] Exploring Operation: 37*38=1406, Resulting Numbers: [1406] 1406,33 unequal: No Solution Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 37+38=75, Resulting Numbers: [75] 75,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 33:[46, 47], Operations: ['54-17=37', '84-37=47'] Exploring Operation: 46+47=93, Resulting Numbers: [93] 93,33 unequal: No Solution Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 46*47=2162, Resulting Numbers: [2162] 2162,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 33:[84, 9], Operations: ['54-17=37', '46-37=9'] Exploring Operation: 84-9=75, Resulting Numbers: [75] 75,33 unequal: No Solution Exploring Operation: 84*9=756, Resulting Numbers: [756] 756,33 unequal: No Solution Exploring Operation: 84+9=93, Resulting Numbers: [93] 93,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 33:[84, 83], Operations: ['54-17=37', '46+37=83'] Exploring Operation: 84*83=6972, Resulting Numbers: [6972] 6972,33 unequal: No Solution Exploring Operation: 84+83=167, Resulting Numbers: [167] 167,33 unequal: No Solution Exploring Operation: 84-83=1, Resulting Numbers: [1] 1,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 33:[37, 130], Operations: ['54-17=37', '46+84=130'] Exploring Operation: 130-37=93, Resulting Numbers: [93] 93,33 unequal: No Solution Exploring Operation: 37+130=167, Resulting Numbers: [167] 167,33 unequal: No Solution Exploring Operation: 37*130=4810, Resulting Numbers: [4810] 4810,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 33:[30, 29], Operations: ['84-54=30', '46-17=29'] Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 30*29=870, Resulting Numbers: [870] 870,33 unequal: No Solution Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,33 unequal: No Solution Moving to Node #0,0,3 Current State: 33:[38, 37], Operations: ['84-46=38', '54-17=37'] Exploring Operation: 38+37=75, Resulting Numbers: [75] 75,33 unequal: No Solution Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 38*37=1406, Resulting Numbers: [1406] 1406,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[17, 16], Operations: ['84-46=38', '54-38=16'] Exploring Operation: 17*16=272, Resulting Numbers: [272] 272,33 unequal: No Solution Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[17, 54, 46, 84], Operations: [] Exploring Operation: 84-46=38, Resulting Numbers: [17, 54, 38] Generated Node #0,0: 33:[17, 54, 38] Operation: 84-46=38 Moving to Node #0,0 Current State: 33:[17, 54, 38], Operations: ['84-46=38'] Exploring Operation: 54-38=16, Resulting Numbers: [17, 16] Generated Node #0,0,0: 33:[17, 16] Operation: 54-38=16 Moving to Node #0,0,0 Current State: 33:[17, 16], Operations: ['84-46=38', '54-38=16'] Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.950521
hs_5
mult_heuristic
[ 42, 35, 44, 42 ]
78
[ "42/42=1", "35+44=79", "79-1=78" ]
Current State: 78:[42, 35, 44, 42], Operations: [] Exploring Operation: 42/42=1, Resulting Numbers: [35, 44, 1] Generated Node #2: [35, 44, 1] from Operation: 42/42=1 Current State: 78:[35, 44, 1], Operations: ['42/42=1'] Exploring Operation: 35+44=79, Resulting Numbers: [1, 79] Generated Node #3: [1, 79] from Operation: 35+44=79 Current State: 78:[1, 79], Operations: ['42/42=1', '35+44=79'] Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[42, 35, 44, 42], Operations: [] Exploring Operation: 42+35=77, Resulting Numbers: [44, 42, 77] Generated Node #0,0: 78:[44, 42, 77] Operation: 42+35=77 Exploring Operation: 42-35=7, Resulting Numbers: [44, 42, 7] Generated Node #0,1: 78:[44, 42, 7] Operation: 42-35=7 Exploring Operation: 35+44=79, Resulting Numbers: [42, 42, 79] Generated Node #0,2: 78:[42, 42, 79] Operation: 35+44=79 Exploring Operation: 44-42=2, Resulting Numbers: [35, 42, 2] Generated Node #0,3: 78:[35, 42, 2] Operation: 44-42=2 Exploring Operation: 44-42=2, Resulting Numbers: [42, 35, 2] Generated Node #0,4: 78:[42, 35, 2] Operation: 44-42=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 78:[42, 42, 79], Operations: ['35+44=79'] Exploring Operation: 42/42=1, Resulting Numbers: [79, 1] Generated Node #0,2,0: 78:[79, 1] Operation: 42/42=1 Exploring Operation: 42-42=0, Resulting Numbers: [79, 0] Generated Node #0,2,1: 78:[79, 0] Operation: 42-42=0 Exploring Operation: 42+42=84, Resulting Numbers: [79, 84] Generated Node #0,2,2: 78:[79, 84] Operation: 42+42=84 Exploring Operation: 79-42=37, Resulting Numbers: [42, 37] Generated Node #0,2,3: 78:[42, 37] Operation: 79-42=37 Exploring Operation: 79-42=37, Resulting Numbers: [42, 37] Generated Node #0,2,4: 78:[42, 37] Operation: 79-42=37 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 78:[79, 1], Operations: ['35+44=79', '42/42=1'] Exploring Operation: 79+1=80, Resulting Numbers: [80] 80,78 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[42, 35, 44, 42], Operations: [] Exploring Operation: 35+44=79, Resulting Numbers: [42, 42, 79] Generated Node #0,2: 78:[42, 42, 79] Operation: 35+44=79 Moving to Node #0,2 Current State: 78:[42, 42, 79], Operations: ['35+44=79'] Exploring Operation: 42/42=1, Resulting Numbers: [79, 1] Generated Node #0,2,0: 78:[79, 1] Operation: 42/42=1 Moving to Node #0,2,0 Current State: 78:[79, 1], Operations: ['35+44=79', '42/42=1'] Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 75, 57, 27, 4 ]
41
[ "75-57=18", "27-4=23", "18+23=41" ]
Current State: 41:[75, 57, 27, 4], Operations: [] Exploring Operation: 75-57=18, Resulting Numbers: [27, 4, 18] Generated Node #2: [27, 4, 18] from Operation: 75-57=18 Current State: 41:[27, 4, 18], Operations: ['75-57=18'] Exploring Operation: 27-4=23, Resulting Numbers: [18, 23] Generated Node #3: [18, 23] from Operation: 27-4=23 Current State: 41:[18, 23], Operations: ['75-57=18', '27-4=23'] Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[75, 57, 27, 4], Operations: [] Exploring Operation: 75-4=71, Resulting Numbers: [57, 27, 71] Generated Node #0,0: 41:[57, 27, 71] Operation: 75-4=71 Exploring Operation: 57-4=53, Resulting Numbers: [75, 27, 53] Generated Node #0,1: 41:[75, 27, 53] Operation: 57-4=53 Exploring Operation: 75-27=48, Resulting Numbers: [57, 4, 48] Generated Node #0,2: 41:[57, 4, 48] Operation: 75-27=48 Moving to Node #0,0 Current State: 41:[57, 27, 71], Operations: ['75-4=71'] Exploring Operation: 71-57=14, Resulting Numbers: [27, 14] Generated Node #0,0,0: 41:[27, 14] Operation: 71-57=14 Exploring Operation: 57-27=30, Resulting Numbers: [71, 30] Generated Node #0,0,1: 41:[71, 30] Operation: 57-27=30 Exploring Operation: 71-27=44, Resulting Numbers: [57, 44] Generated Node #0,0,2: 41:[57, 44] Operation: 71-27=44 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[57, 44], Operations: ['75-4=71', '71-27=44'] Exploring Operation: 57+44=101, Resulting Numbers: [101] 101,41 unequal: No Solution Exploring Operation: 57-44=13, Resulting Numbers: [13] 13,41 unequal: No Solution Exploring Operation: 57*44=2508, Resulting Numbers: [2508] 2508,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[27, 14], Operations: ['75-4=71', '71-57=14'] Exploring Operation: 27*14=378, Resulting Numbers: [378] 378,41 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,41 unequal: No Solution Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[75, 57, 27, 4], Operations: [] Exploring Operation: 75-4=71, Resulting Numbers: [57, 27, 71] Generated Node #0,0: 41:[57, 27, 71] Operation: 75-4=71 Moving to Node #0,0 Current State: 41:[57, 27, 71], Operations: ['75-4=71'] Exploring Operation: 71-57=14, Resulting Numbers: [27, 14] Generated Node #0,0,0: 41:[27, 14] Operation: 71-57=14 Moving to Node #0,0,0 Current State: 41:[27, 14], Operations: ['75-4=71', '71-57=14'] Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 13, 1, 74, 8 ]
68
[ "13+1=14", "74+8=82", "82-14=68" ]
Current State: 68:[13, 1, 74, 8], Operations: [] Exploring Operation: 13+1=14, Resulting Numbers: [74, 8, 14] Generated Node #2: [74, 8, 14] from Operation: 13+1=14 Current State: 68:[74, 8, 14], Operations: ['13+1=14'] Exploring Operation: 74+8=82, Resulting Numbers: [14, 82] Generated Node #3: [14, 82] from Operation: 74+8=82 Current State: 68:[14, 82], Operations: ['13+1=14', '74+8=82'] Exploring Operation: 82-14=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[13, 1, 74, 8], Operations: [] Exploring Operation: 13+8=21, Resulting Numbers: [1, 74, 21] Generated Node #0,0: 68:[1, 74, 21] Operation: 13+8=21 Exploring Operation: 74-13=61, Resulting Numbers: [1, 8, 61] Generated Node #0,1: 68:[1, 8, 61] Operation: 74-13=61 Exploring Operation: 13-8=5, Resulting Numbers: [1, 74, 5] Generated Node #0,2: 68:[1, 74, 5] Operation: 13-8=5 Exploring Operation: 74-8=66, Resulting Numbers: [13, 1, 66] Generated Node #0,3: 68:[13, 1, 66] Operation: 74-8=66 Moving to Node #0,3 Current State: 68:[13, 1, 66], Operations: ['74-8=66'] Exploring Operation: 1+66=67, Resulting Numbers: [13, 67] Generated Node #0,3,0: 68:[13, 67] Operation: 1+66=67 Exploring Operation: 13/1=13, Resulting Numbers: [66, 13] Generated Node #0,3,1: 68:[66, 13] Operation: 13/1=13 Exploring Operation: 13+1=14, Resulting Numbers: [66, 14] Generated Node #0,3,2: 68:[66, 14] Operation: 13+1=14 Exploring Operation: 13*1=13, Resulting Numbers: [66, 13] Generated Node #0,3,3: 68:[66, 13] Operation: 13*1=13 Moving to Node #0,2 Current State: 68:[1, 74, 5], Operations: ['13-8=5'] Exploring Operation: 74-1=73, Resulting Numbers: [5, 73] Generated Node #0,2,0: 68:[5, 73] Operation: 74-1=73 Exploring Operation: 1*74=74, Resulting Numbers: [5, 74] Generated Node #0,2,1: 68:[5, 74] Operation: 1*74=74 Exploring Operation: 5-1=4, Resulting Numbers: [74, 4] Generated Node #0,2,2: 68:[74, 4] Operation: 5-1=4 Exploring Operation: 74-5=69, Resulting Numbers: [1, 69] Generated Node #0,2,3: 68:[1, 69] Operation: 74-5=69 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 68:[1, 69], Operations: ['13-8=5', '74-5=69'] Exploring Operation: 1+69=70, Resulting Numbers: [70] 70,68 unequal: No Solution Exploring Operation: 1*69=69, Resulting Numbers: [69] 69,68 unequal: No Solution Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[13, 1, 74, 8], Operations: [] Exploring Operation: 13-8=5, Resulting Numbers: [1, 74, 5] Generated Node #0,2: 68:[1, 74, 5] Operation: 13-8=5 Moving to Node #0,2 Current State: 68:[1, 74, 5], Operations: ['13-8=5'] Exploring Operation: 74-5=69, Resulting Numbers: [1, 69] Generated Node #0,2,3: 68:[1, 69] Operation: 74-5=69 Moving to Node #0,2,3 Current State: 68:[1, 69], Operations: ['13-8=5', '74-5=69'] Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 76, 26, 43, 74 ]
15
[ "76+26=102", "43+74=117", "117-102=15" ]
Current State: 15:[76, 26, 43, 74], Operations: [] Exploring Operation: 76+26=102, Resulting Numbers: [43, 74, 102] Generated Node #2: [43, 74, 102] from Operation: 76+26=102 Current State: 15:[43, 74, 102], Operations: ['76+26=102'] Exploring Operation: 43+74=117, Resulting Numbers: [102, 117] Generated Node #3: [102, 117] from Operation: 43+74=117 Current State: 15:[102, 117], Operations: ['76+26=102', '43+74=117'] Exploring Operation: 117-102=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[76, 26, 43, 74], Operations: [] Exploring Operation: 74-43=31, Resulting Numbers: [76, 26, 31] Generated Node #0,0: 15:[76, 26, 31] Operation: 74-43=31 Exploring Operation: 76-74=2, Resulting Numbers: [26, 43, 2] Generated Node #0,1: 15:[26, 43, 2] Operation: 76-74=2 Exploring Operation: 76-26=50, Resulting Numbers: [43, 74, 50] Generated Node #0,2: 15:[43, 74, 50] Operation: 76-26=50 Exploring Operation: 76-43=33, Resulting Numbers: [26, 74, 33] Generated Node #0,3: 15:[26, 74, 33] Operation: 76-43=33 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[26, 43, 2], Operations: ['76-74=2'] Exploring Operation: 43-26=17, Resulting Numbers: [2, 17] Generated Node #0,1,0: 15:[2, 17] Operation: 43-26=17 Exploring Operation: 26/2=13, Resulting Numbers: [43, 13] Generated Node #0,1,1: 15:[43, 13] Operation: 26/2=13 Exploring Operation: 43-2=41, Resulting Numbers: [26, 41] Generated Node #0,1,2: 15:[26, 41] Operation: 43-2=41 Exploring Operation: 26-2=24, Resulting Numbers: [43, 24] Generated Node #0,1,3: 15:[43, 24] Operation: 26-2=24 Moving to Node #0,1,0 Current State: 15:[2, 17], Operations: ['76-74=2', '43-26=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[76, 26, 43, 74], Operations: [] Exploring Operation: 76-74=2, Resulting Numbers: [26, 43, 2] Generated Node #0,1: 15:[26, 43, 2] Operation: 76-74=2 Moving to Node #0,1 Current State: 15:[26, 43, 2], Operations: ['76-74=2'] Exploring Operation: 43-26=17, Resulting Numbers: [2, 17] Generated Node #0,1,0: 15:[2, 17] Operation: 43-26=17 Moving to Node #0,1,0 Current State: 15:[2, 17], Operations: ['76-74=2', '43-26=17'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 77, 66, 41, 43 ]
88
[ "43-41=2", "77*2=154", "154-66=88" ]
Current State: 88:[77, 66, 41, 43], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [77, 66, 2] Generated Node #2: [77, 66, 2] from Operation: 43-41=2 Current State: 88:[77, 66, 2], Operations: ['43-41=2'] Exploring Operation: 77*2=154, Resulting Numbers: [66, 154] Generated Node #3: [66, 154] from Operation: 77*2=154 Current State: 88:[66, 154], Operations: ['43-41=2', '77*2=154'] Exploring Operation: 154-66=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[77, 66, 41, 43], Operations: [] Exploring Operation: 77-66=11, Resulting Numbers: [41, 43, 11] Generated Node #0,0: 88:[41, 43, 11] Operation: 77-66=11 Moving to Node #0,0 Current State: 88:[41, 43, 11], Operations: ['77-66=11'] Exploring Operation: 43-41=2, Resulting Numbers: [11, 2] Generated Node #0,0,0: 88:[11, 2] Operation: 43-41=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[11, 2], Operations: ['77-66=11', '43-41=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,88 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
[ 21, 59, 10, 4 ]
44
[ "59-21=38", "10-4=6", "38+6=44" ]
Current State: 44:[21, 59, 10, 4], Operations: [] Exploring Operation: 59-21=38, Resulting Numbers: [10, 4, 38] Generated Node #2: [10, 4, 38] from Operation: 59-21=38 Current State: 44:[10, 4, 38], Operations: ['59-21=38'] Exploring Operation: 10-4=6, Resulting Numbers: [38, 6] Generated Node #3: [38, 6] from Operation: 10-4=6 Current State: 44:[38, 6], Operations: ['59-21=38', '10-4=6'] Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[21, 59, 10, 4], Operations: [] Exploring Operation: 59-21=38, Resulting Numbers: [10, 4, 38] Generated Node #0,0: 44:[10, 4, 38] Operation: 59-21=38 Exploring Operation: 59-10=49, Resulting Numbers: [21, 4, 49] Generated Node #0,1: 44:[21, 4, 49] Operation: 59-10=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[21, 4, 49], Operations: ['59-10=49'] Exploring Operation: 49-21=28, Resulting Numbers: [4, 28] Generated Node #0,1,0: 44:[4, 28] Operation: 49-21=28 Exploring Operation: 49-4=45, Resulting Numbers: [21, 45] Generated Node #0,1,1: 44:[21, 45] Operation: 49-4=45 Moving to Node #0,1,1 Current State: 44:[21, 45], Operations: ['59-10=49', '49-4=45'] Exploring Operation: 21+45=66, Resulting Numbers: [66] 66,44 unequal: No Solution Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,44 unequal: No Solution Moving to Node #0,1,0 Current State: 44:[4, 28], Operations: ['59-10=49', '49-21=28'] Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,44 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,44 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[10, 4, 38], Operations: ['59-21=38'] Exploring Operation: 4+38=42, Resulting Numbers: [10, 42] Generated Node #0,0,0: 44:[10, 42] Operation: 4+38=42 Exploring Operation: 10+38=48, Resulting Numbers: [4, 48] Generated Node #0,0,1: 44:[4, 48] Operation: 10+38=48 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 44:[10, 42], Operations: ['59-21=38', '4+38=42'] Exploring Operation: 10+42=52, Resulting Numbers: [52] 52,44 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 44:[4, 48], Operations: ['59-21=38', '10+38=48'] Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,44 unequal: No Solution Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[21, 59, 10, 4], Operations: [] Exploring Operation: 59-21=38, Resulting Numbers: [10, 4, 38] Generated Node #0,0: 44:[10, 4, 38] Operation: 59-21=38 Moving to Node #0,0 Current State: 44:[10, 4, 38], Operations: ['59-21=38'] Exploring Operation: 10+38=48, Resulting Numbers: [4, 48] Generated Node #0,0,1: 44:[4, 48] Operation: 10+38=48 Moving to Node #0,0,1 Current State: 44:[4, 48], Operations: ['59-21=38', '10+38=48'] Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 24, 22, 5, 3 ]
71
[ "22-3=19", "5*19=95", "95-24=71" ]
Current State: 71:[24, 22, 5, 3], Operations: [] Exploring Operation: 22-3=19, Resulting Numbers: [24, 5, 19] Generated Node #2: [24, 5, 19] from Operation: 22-3=19 Current State: 71:[24, 5, 19], Operations: ['22-3=19'] Exploring Operation: 5*19=95, Resulting Numbers: [24, 95] Generated Node #3: [24, 95] from Operation: 5*19=95 Current State: 71:[24, 95], Operations: ['22-3=19', '5*19=95'] Exploring Operation: 95-24=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[24, 22, 5, 3], Operations: [] Exploring Operation: 24*3=72, Resulting Numbers: [22, 5, 72] Generated Node #0,0: 71:[22, 5, 72] Operation: 24*3=72 Exploring Operation: 22*3=66, Resulting Numbers: [24, 5, 66] Generated Node #0,1: 71:[24, 5, 66] Operation: 22*3=66 Exploring Operation: 5*3=15, Resulting Numbers: [24, 22, 15] Generated Node #0,2: 71:[24, 22, 15] Operation: 5*3=15 Exploring Operation: 22*5=110, Resulting Numbers: [24, 3, 110] Generated Node #0,3: 71:[24, 3, 110] Operation: 22*5=110 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[22, 5, 72], Operations: ['24*3=72'] Exploring Operation: 22+5=27, Resulting Numbers: [72, 27] Generated Node #0,0,0: 71:[72, 27] Operation: 22+5=27 Exploring Operation: 72-5=67, Resulting Numbers: [22, 67] Generated Node #0,0,1: 71:[22, 67] Operation: 72-5=67 Exploring Operation: 22-5=17, Resulting Numbers: [72, 17] Generated Node #0,0,2: 71:[72, 17] Operation: 22-5=17 Exploring Operation: 22*5=110, Resulting Numbers: [72, 110] Generated Node #0,0,3: 71:[72, 110] Operation: 22*5=110 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 71:[72, 110], Operations: ['24*3=72', '22*5=110'] Exploring Operation: 72*110=7920, Resulting Numbers: [7920] 7920,71 unequal: No Solution Exploring Operation: 110-72=38, Resulting Numbers: [38] 38,71 unequal: No Solution Exploring Operation: 72+110=182, Resulting Numbers: [182] 182,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[72, 27], Operations: ['24*3=72', '22+5=27'] Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 72+27=99, Resulting Numbers: [99] 99,71 unequal: No Solution Exploring Operation: 72*27=1944, Resulting Numbers: [1944] 1944,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[22, 67], Operations: ['24*3=72', '72-5=67'] Exploring Operation: 22*67=1474, Resulting Numbers: [1474] 1474,71 unequal: No Solution Exploring Operation: 67-22=45, Resulting Numbers: [45] 45,71 unequal: No Solution Exploring Operation: 22+67=89, Resulting Numbers: [89] 89,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[72, 17], Operations: ['24*3=72', '22-5=17'] Exploring Operation: 72*17=1224, Resulting Numbers: [1224] 1224,71 unequal: No Solution Exploring Operation: 72+17=89, Resulting Numbers: [89] 89,71 unequal: No Solution Exploring Operation: 72-17=55, Resulting Numbers: [55] 55,71 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: 71:[24, 5, 66], Operations: ['22*3=66'] Exploring Operation: 24*5=120, Resulting Numbers: [66, 120] Generated Node #0,1,0: 71:[66, 120] Operation: 24*5=120 Exploring Operation: 24+5=29, Resulting Numbers: [66, 29] Generated Node #0,1,1: 71:[66, 29] Operation: 24+5=29 Exploring Operation: 24-5=19, Resulting Numbers: [66, 19] Generated Node #0,1,2: 71:[66, 19] Operation: 24-5=19 Exploring Operation: 5+66=71, Resulting Numbers: [24, 71] Generated Node #0,1,3: 71:[24, 71] Operation: 5+66=71 Moving to Node #0,1,1 Current State: 71:[66, 29], Operations: ['22*3=66', '24+5=29'] Exploring Operation: 66*29=1914, Resulting Numbers: [1914] 1914,71 unequal: No Solution Exploring Operation: 66+29=95, Resulting Numbers: [95] 95,71 unequal: No Solution Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[24, 71], Operations: ['22*3=66', '5+66=71'] Exploring Operation: 24+71=95, Resulting Numbers: [95] 95,71 unequal: No Solution Exploring Operation: 71-24=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 24*71=1704, Resulting Numbers: [1704] 1704,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[66, 120], Operations: ['22*3=66', '24*5=120'] Exploring Operation: 66+120=186, Resulting Numbers: [186] 186,71 unequal: No Solution Exploring Operation: 66*120=7920, Resulting Numbers: [7920] 7920,71 unequal: No Solution Exploring Operation: 120-66=54, Resulting Numbers: [54] 54,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[66, 19], Operations: ['22*3=66', '24-5=19'] Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 66+19=85, Resulting Numbers: [85] 85,71 unequal: No Solution Exploring Operation: 66*19=1254, Resulting Numbers: [1254] 1254,71 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 #0,2 Current State: 71:[24, 22, 15], Operations: ['5*3=15'] Exploring Operation: 24+22=46, Resulting Numbers: [15, 46] Generated Node #0,2,0: 71:[15, 46] Operation: 24+22=46 Exploring Operation: 24+15=39, Resulting Numbers: [22, 39] Generated Node #0,2,1: 71:[22, 39] Operation: 24+15=39 Exploring Operation: 22+15=37, Resulting Numbers: [24, 37] Generated Node #0,2,2: 71:[24, 37] Operation: 22+15=37 Exploring Operation: 24-15=9, Resulting Numbers: [22, 9] Generated Node #0,2,3: 71:[22, 9] Operation: 24-15=9 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[15, 46], Operations: ['5*3=15', '24+22=46'] Exploring Operation: 15*46=690, Resulting Numbers: [690] 690,71 unequal: No Solution Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,71 unequal: No Solution Exploring Operation: 15+46=61, Resulting Numbers: [61] 61,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[22, 39], Operations: ['5*3=15', '24+15=39'] Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,71 unequal: No Solution Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,71 unequal: No Solution Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[24, 37], Operations: ['5*3=15', '22+15=37'] Exploring Operation: 24*37=888, Resulting Numbers: [888] 888,71 unequal: No Solution Exploring Operation: 37-24=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 24+37=61, Resulting Numbers: [61] 61,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 71:[22, 9], Operations: ['5*3=15', '24-15=9'] Exploring Operation: 22*9=198, Resulting Numbers: [198] 198,71 unequal: No Solution Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 22+9=31, Resulting Numbers: [31] 31,71 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: 71:[24, 3, 110], Operations: ['22*5=110'] Exploring Operation: 110-24=86, Resulting Numbers: [3, 86] Generated Node #0,3,0: 71:[3, 86] Operation: 110-24=86 Exploring Operation: 110-3=107, Resulting Numbers: [24, 107] Generated Node #0,3,1: 71:[24, 107] Operation: 110-3=107 Exploring Operation: 24*3=72, Resulting Numbers: [110, 72] Generated Node #0,3,2: 71:[110, 72] Operation: 24*3=72 Exploring Operation: 24+3=27, Resulting Numbers: [110, 27] Generated Node #0,3,3: 71:[110, 27] Operation: 24+3=27 Moving to Node #0,3,2 Current State: 71:[110, 72], Operations: ['22*5=110', '24*3=72'] Exploring Operation: 110-72=38, Resulting Numbers: [38] 38,71 unequal: No Solution Exploring Operation: 110*72=7920, Resulting Numbers: [7920] 7920,71 unequal: No Solution Exploring Operation: 110+72=182, Resulting Numbers: [182] 182,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[24, 107], Operations: ['22*5=110', '110-3=107'] Exploring Operation: 107-24=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 24+107=131, Resulting Numbers: [131] 131,71 unequal: No Solution Exploring Operation: 24*107=2568, Resulting Numbers: [2568] 2568,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[3, 86], Operations: ['22*5=110', '110-24=86'] Exploring Operation: 3*86=258, Resulting Numbers: [258] 258,71 unequal: No Solution Exploring Operation: 3+86=89, Resulting Numbers: [89] 89,71 unequal: No Solution Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[110, 27], Operations: ['22*5=110', '24+3=27'] Exploring Operation: 110*27=2970, Resulting Numbers: [2970] 2970,71 unequal: No Solution Exploring Operation: 110-27=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 110+27=137, Resulting Numbers: [137] 137,71 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
[ 33, 20, 97, 64 ]
19
[ "97-33=64", "64/64=1", "20-1=19" ]
Current State: 19:[33, 20, 97, 64], Operations: [] Exploring Operation: 97-33=64, Resulting Numbers: [20, 64, 64] Generated Node #2: [20, 64, 64] from Operation: 97-33=64 Current State: 19:[20, 64, 64], Operations: ['97-33=64'] Exploring Operation: 64/64=1, Resulting Numbers: [20, 1] Generated Node #3: [20, 1] from Operation: 64/64=1 Current State: 19:[20, 1], Operations: ['97-33=64', '64/64=1'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[33, 20, 97, 64], Operations: [] Exploring Operation: 97-33=64, Resulting Numbers: [20, 64, 64] Generated Node #0,0: 19:[20, 64, 64] Operation: 97-33=64 Exploring Operation: 97-64=33, Resulting Numbers: [33, 20, 33] Generated Node #0,1: 19:[33, 20, 33] Operation: 97-64=33 Moving to Node #0,1 Current State: 19:[33, 20, 33], Operations: ['97-64=33'] Exploring Operation: 33/33=1, Resulting Numbers: [20, 1] Generated Node #0,1,0: 19:[20, 1] Operation: 33/33=1 Exploring Operation: 33-20=13, Resulting Numbers: [33, 13] Generated Node #0,1,1: 19:[33, 13] Operation: 33-20=13 Moving to Node #0,0 Current State: 19:[20, 64, 64], Operations: ['97-33=64'] Exploring Operation: 64-64=0, Resulting Numbers: [20, 0] Generated Node #0,0,0: 19:[20, 0] Operation: 64-64=0 Exploring Operation: 64/64=1, Resulting Numbers: [20, 1] Generated Node #0,0,1: 19:[20, 1] Operation: 64/64=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[20, 1], Operations: ['97-33=64', '64/64=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[33, 20, 97, 64], Operations: [] Exploring Operation: 97-33=64, Resulting Numbers: [20, 64, 64] Generated Node #0,0: 19:[20, 64, 64] Operation: 97-33=64 Moving to Node #0,0 Current State: 19:[20, 64, 64], Operations: ['97-33=64'] Exploring Operation: 64/64=1, Resulting Numbers: [20, 1] Generated Node #0,0,1: 19:[20, 1] Operation: 64/64=1 Moving to Node #0,0,1 Current State: 19:[20, 1], Operations: ['97-33=64', '64/64=1'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 42, 49, 44, 72 ]
25
[ "42+49=91", "44+72=116", "116-91=25" ]
Current State: 25:[42, 49, 44, 72], Operations: [] Exploring Operation: 42+49=91, Resulting Numbers: [44, 72, 91] Generated Node #2: [44, 72, 91] from Operation: 42+49=91 Current State: 25:[44, 72, 91], Operations: ['42+49=91'] Exploring Operation: 44+72=116, Resulting Numbers: [91, 116] Generated Node #3: [91, 116] from Operation: 44+72=116 Current State: 25:[91, 116], Operations: ['42+49=91', '44+72=116'] Exploring Operation: 116-91=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[42, 49, 44, 72], Operations: [] Exploring Operation: 72-49=23, Resulting Numbers: [42, 44, 23] Generated Node #0,0: 25:[42, 44, 23] Operation: 72-49=23 Moving to Node #0,0 Current State: 25:[42, 44, 23], Operations: ['72-49=23'] Exploring Operation: 44-42=2, Resulting Numbers: [23, 2] Generated Node #0,0,0: 25:[23, 2] Operation: 44-42=2 Moving to Node #0,0,0 Current State: 25:[23, 2], Operations: ['72-49=23', '44-42=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[42, 49, 44, 72], Operations: [] Exploring Operation: 72-49=23, Resulting Numbers: [42, 44, 23] Generated Node #0,0: 25:[42, 44, 23] Operation: 72-49=23 Moving to Node #0,0 Current State: 25:[42, 44, 23], Operations: ['72-49=23'] Exploring Operation: 44-42=2, Resulting Numbers: [23, 2] Generated Node #0,0,0: 25:[23, 2] Operation: 44-42=2 Moving to Node #0,0,0 Current State: 25:[23, 2], Operations: ['72-49=23', '44-42=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 5, 24, 61, 41 ]
96
[ "61-41=20", "20/5=4", "24*4=96" ]
Current State: 96:[5, 24, 61, 41], Operations: [] Exploring Operation: 61-41=20, Resulting Numbers: [5, 24, 20] Generated Node #2: [5, 24, 20] from Operation: 61-41=20 Current State: 96:[5, 24, 20], Operations: ['61-41=20'] Exploring Operation: 20/5=4, Resulting Numbers: [24, 4] Generated Node #3: [24, 4] from Operation: 20/5=4 Current State: 96:[24, 4], Operations: ['61-41=20', '20/5=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[5, 24, 61, 41], Operations: [] Exploring Operation: 61-5=56, Resulting Numbers: [24, 41, 56] Generated Node #0,0: 96:[24, 41, 56] Operation: 61-5=56 Exploring Operation: 61-24=37, Resulting Numbers: [5, 41, 37] Generated Node #0,1: 96:[5, 41, 37] Operation: 61-24=37 Exploring Operation: 5+41=46, Resulting Numbers: [24, 61, 46] Generated Node #0,2: 96:[24, 61, 46] Operation: 5+41=46 Exploring Operation: 61+41=102, Resulting Numbers: [5, 24, 102] Generated Node #0,3: 96:[5, 24, 102] Operation: 61+41=102 Exploring Operation: 61-41=20, Resulting Numbers: [5, 24, 20] Generated Node #0,4: 96:[5, 24, 20] Operation: 61-41=20 Start Sub Search at level 1: Moving to Node #0,4 Current State: 96:[5, 24, 20], Operations: ['61-41=20'] Exploring Operation: 20/5=4, Resulting Numbers: [24, 4] Generated Node #0,4,0: 96:[24, 4] Operation: 20/5=4 Exploring Operation: 5+20=25, Resulting Numbers: [24, 25] Generated Node #0,4,1: 96:[24, 25] Operation: 5+20=25 Exploring Operation: 20-5=15, Resulting Numbers: [24, 15] Generated Node #0,4,2: 96:[24, 15] Operation: 20-5=15 Exploring Operation: 5*20=100, Resulting Numbers: [24, 100] Generated Node #0,4,3: 96:[24, 100] Operation: 5*20=100 Exploring Operation: 24-20=4, Resulting Numbers: [5, 4] Generated Node #0,4,4: 96:[5, 4] Operation: 24-20=4 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 96:[24, 4], Operations: ['61-41=20', '20/5=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,96 unequal: No Solution Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[5, 24, 61, 41], Operations: [] Exploring Operation: 61-41=20, Resulting Numbers: [5, 24, 20] Generated Node #0,4: 96:[5, 24, 20] Operation: 61-41=20 Moving to Node #0,4 Current State: 96:[5, 24, 20], Operations: ['61-41=20'] Exploring Operation: 20/5=4, Resulting Numbers: [24, 4] Generated Node #0,4,0: 96:[24, 4] Operation: 20/5=4 Moving to Node #0,4,0 Current State: 96:[24, 4], Operations: ['61-41=20', '20/5=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 99, 58, 4, 82 ]
48
[ "58*82=4756", "4756-4=4752", "4752/99=48" ]
Current State: 48:[99, 58, 4, 82], Operations: [] Exploring Operation: 58*82=4756, Resulting Numbers: [99, 4, 4756] Generated Node #2: [99, 4, 4756] from Operation: 58*82=4756 Current State: 48:[99, 4, 4756], Operations: ['58*82=4756'] Exploring Operation: 4756-4=4752, Resulting Numbers: [99, 4752] Generated Node #3: [99, 4752] from Operation: 4756-4=4752 Current State: 48:[99, 4752], Operations: ['58*82=4756', '4756-4=4752'] Exploring Operation: 4752/99=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[99, 58, 4, 82], Operations: [] Exploring Operation: 99-82=17, Resulting Numbers: [58, 4, 17] Generated Node #0,0: 48:[58, 4, 17] Operation: 99-82=17 Exploring Operation: 99-58=41, Resulting Numbers: [4, 82, 41] Generated Node #0,1: 48:[4, 82, 41] Operation: 99-58=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[58, 4, 17], Operations: ['99-82=17'] Exploring Operation: 58-17=41, Resulting Numbers: [4, 41] Generated Node #0,0,0: 48:[4, 41] Operation: 58-17=41 Exploring Operation: 58-4=54, Resulting Numbers: [17, 54] Generated Node #0,0,1: 48:[17, 54] Operation: 58-4=54 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[4, 41], Operations: ['99-82=17', '58-17=41'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,48 unequal: No Solution Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,48 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 #0,0,1 Current State: 48:[17, 54], Operations: ['99-82=17', '58-4=54'] Exploring Operation: 17+54=71, Resulting Numbers: [71] 71,48 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,48 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:[4, 82, 41], Operations: ['99-58=41'] Exploring Operation: 82/41=2, Resulting Numbers: [4, 2] Generated Node #0,1,0: 48:[4, 2] Operation: 82/41=2 Exploring Operation: 82-41=41, Resulting Numbers: [4, 41] Generated Node #0,1,1: 48:[4, 41] Operation: 82-41=41 Moving to Node #0,1,0 Current State: 48:[4, 2], Operations: ['99-58=41', '82/41=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,48 unequal: No Solution Moving to Node #0,1,1 Current State: 48:[4, 41], Operations: ['99-58=41', '82-41=41'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,48 unequal: No Solution Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,48 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
[ 83, 85, 38, 52 ]
66
[ "85-83=2", "52*2=104", "104-38=66" ]
Current State: 66:[83, 85, 38, 52], Operations: [] Exploring Operation: 85-83=2, Resulting Numbers: [38, 52, 2] Generated Node #2: [38, 52, 2] from Operation: 85-83=2 Current State: 66:[38, 52, 2], Operations: ['85-83=2'] Exploring Operation: 52*2=104, Resulting Numbers: [38, 104] Generated Node #3: [38, 104] from Operation: 52*2=104 Current State: 66:[38, 104], Operations: ['85-83=2', '52*2=104'] Exploring Operation: 104-38=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[83, 85, 38, 52], Operations: [] Exploring Operation: 52-38=14, Resulting Numbers: [83, 85, 14] Generated Node #0,0: 66:[83, 85, 14] Operation: 52-38=14 Exploring Operation: 83-38=45, Resulting Numbers: [85, 52, 45] Generated Node #0,1: 66:[85, 52, 45] Operation: 83-38=45 Exploring Operation: 83-52=31, Resulting Numbers: [85, 38, 31] Generated Node #0,2: 66:[85, 38, 31] Operation: 83-52=31 Exploring Operation: 85-83=2, Resulting Numbers: [38, 52, 2] Generated Node #0,3: 66:[38, 52, 2] Operation: 85-83=2 Exploring Operation: 85-52=33, Resulting Numbers: [83, 38, 33] Generated Node #0,4: 66:[83, 38, 33] Operation: 85-52=33 Moving to Node #0,3 Current State: 66:[38, 52, 2], Operations: ['85-83=2'] Exploring Operation: 52+2=54, Resulting Numbers: [38, 54] Generated Node #0,3,0: 66:[38, 54] Operation: 52+2=54 Exploring Operation: 52/2=26, Resulting Numbers: [38, 26] Generated Node #0,3,1: 66:[38, 26] Operation: 52/2=26 Exploring Operation: 52-38=14, Resulting Numbers: [2, 14] Generated Node #0,3,2: 66:[2, 14] Operation: 52-38=14 Exploring Operation: 38/2=19, Resulting Numbers: [52, 19] Generated Node #0,3,3: 66:[52, 19] Operation: 38/2=19 Exploring Operation: 38-2=36, Resulting Numbers: [52, 36] Generated Node #0,3,4: 66:[52, 36] Operation: 38-2=36 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 66:[2, 14], Operations: ['85-83=2', '52-38=14'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,66 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 66:[38, 26], Operations: ['85-83=2', '52/2=26'] Exploring Operation: 38*26=988, Resulting Numbers: [988] 988,66 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 38+26=64, Resulting Numbers: [64] 64,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 66:[38, 54], Operations: ['85-83=2', '52+2=54'] Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 38+54=92, Resulting Numbers: [92] 92,66 unequal: No Solution Exploring Operation: 38*54=2052, Resulting Numbers: [2052] 2052,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 66:[52, 19], Operations: ['85-83=2', '38/2=19'] Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,66 unequal: No Solution Exploring Operation: 52*19=988, Resulting Numbers: [988] 988,66 unequal: No Solution Exploring Operation: 52+19=71, Resulting Numbers: [71] 71,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 66:[52, 36], Operations: ['85-83=2', '38-2=36'] Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 52*36=1872, Resulting Numbers: [1872] 1872,66 unequal: No Solution Exploring Operation: 52+36=88, Resulting Numbers: [88] 88,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 66:[83, 38, 33], Operations: ['85-52=33'] Exploring Operation: 83-33=50, Resulting Numbers: [38, 50] Generated Node #0,4,0: 66:[38, 50] Operation: 83-33=50 Exploring Operation: 83+38=121, Resulting Numbers: [33, 121] Generated Node #0,4,1: 66:[33, 121] Operation: 83+38=121 Exploring Operation: 83-38=45, Resulting Numbers: [33, 45] Generated Node #0,4,2: 66:[33, 45] Operation: 83-38=45 Exploring Operation: 38-33=5, Resulting Numbers: [83, 5] Generated Node #0,4,3: 66:[83, 5] Operation: 38-33=5 Exploring Operation: 38+33=71, Resulting Numbers: [83, 71] Generated Node #0,4,4: 66:[83, 71] Operation: 38+33=71 Moving to Node #0,2 Current State: 66:[85, 38, 31], Operations: ['83-52=31'] Exploring Operation: 85+31=116, Resulting Numbers: [38, 116] Generated Node #0,2,0: 66:[38, 116] Operation: 85+31=116 Exploring Operation: 85-31=54, Resulting Numbers: [38, 54] Generated Node #0,2,1: 66:[38, 54] Operation: 85-31=54 Exploring Operation: 38+31=69, Resulting Numbers: [85, 69] Generated Node #0,2,2: 66:[85, 69] Operation: 38+31=69 Exploring Operation: 85-38=47, Resulting Numbers: [31, 47] Generated Node #0,2,3: 66:[31, 47] Operation: 85-38=47 Exploring Operation: 38-31=7, Resulting Numbers: [85, 7] Generated Node #0,2,4: 66:[85, 7] Operation: 38-31=7 Moving to Node #0,0 Current State: 66:[83, 85, 14], Operations: ['52-38=14'] Exploring Operation: 83+14=97, Resulting Numbers: [85, 97] Generated Node #0,0,0: 66:[85, 97] Operation: 83+14=97 Exploring Operation: 83-14=69, Resulting Numbers: [85, 69] Generated Node #0,0,1: 66:[85, 69] Operation: 83-14=69 Exploring Operation: 85+14=99, Resulting Numbers: [83, 99] Generated Node #0,0,2: 66:[83, 99] Operation: 85+14=99 Exploring Operation: 85-14=71, Resulting Numbers: [83, 71] Generated Node #0,0,3: 66:[83, 71] Operation: 85-14=71 Exploring Operation: 85-83=2, Resulting Numbers: [14, 2] Generated Node #0,0,4: 66:[14, 2] Operation: 85-83=2 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 66:[14, 2], Operations: ['52-38=14', '85-83=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,66 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[85, 69], Operations: ['52-38=14', '83-14=69'] Exploring Operation: 85*69=5865, Resulting Numbers: [5865] 5865,66 unequal: No Solution Exploring Operation: 85+69=154, Resulting Numbers: [154] 154,66 unequal: No Solution Exploring Operation: 85-69=16, Resulting Numbers: [16] 16,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 66:[83, 71], Operations: ['52-38=14', '85-14=71'] Exploring Operation: 83*71=5893, Resulting Numbers: [5893] 5893,66 unequal: No Solution Exploring Operation: 83-71=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 83+71=154, Resulting Numbers: [154] 154,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[85, 97], Operations: ['52-38=14', '83+14=97'] Exploring Operation: 85*97=8245, Resulting Numbers: [8245] 8245,66 unequal: No Solution Exploring Operation: 97-85=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 85+97=182, Resulting Numbers: [182] 182,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 66:[83, 99], Operations: ['52-38=14', '85+14=99'] Exploring Operation: 83+99=182, Resulting Numbers: [182] 182,66 unequal: No Solution Exploring Operation: 83*99=8217, Resulting Numbers: [8217] 8217,66 unequal: No Solution Exploring Operation: 99-83=16, Resulting Numbers: [16] 16,66 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: 66:[85, 52, 45], Operations: ['83-38=45'] Exploring Operation: 85-52=33, Resulting Numbers: [45, 33] Generated Node #0,1,0: 66:[45, 33] Operation: 85-52=33 Exploring Operation: 85+45=130, Resulting Numbers: [52, 130] Generated Node #0,1,1: 66:[52, 130] Operation: 85+45=130 Exploring Operation: 85-45=40, Resulting Numbers: [52, 40] Generated Node #0,1,2: 66:[52, 40] Operation: 85-45=40 Exploring Operation: 52-45=7, Resulting Numbers: [85, 7] Generated Node #0,1,3: 66:[85, 7] Operation: 52-45=7 Exploring Operation: 52+45=97, Resulting Numbers: [85, 97] Generated Node #0,1,4: 66:[85, 97] Operation: 52+45=97 Moving to Node #0,4,2 Current State: 66:[33, 45], Operations: ['85-52=33', '83-38=45'] Exploring Operation: 45-33=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 33*45=1485, Resulting Numbers: [1485] 1485,66 unequal: No Solution Exploring Operation: 33+45=78, Resulting Numbers: [78] 78,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[45, 33], Operations: ['83-38=45', '85-52=33'] Exploring Operation: 45-33=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 45+33=78, Resulting Numbers: [78] 78,66 unequal: No Solution Exploring Operation: 45*33=1485, Resulting Numbers: [1485] 1485,66 unequal: No Solution Moving to Node #0,2,3 Current State: 66:[31, 47], Operations: ['83-52=31', '85-38=47'] Exploring Operation: 31*47=1457, Resulting Numbers: [1457] 1457,66 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 31+47=78, Resulting Numbers: [78] 78,66 unequal: No Solution Moving to Node #0,2,1 Current State: 66:[38, 54], Operations: ['83-52=31', '85-31=54'] Exploring Operation: 54-38=16, Resulting Numbers: [16] 16,66 unequal: No Solution Exploring Operation: 38+54=92, Resulting Numbers: [92] 92,66 unequal: No Solution Exploring Operation: 38*54=2052, Resulting Numbers: [2052] 2052,66 unequal: No Solution Moving to Node #0,4,3 Current State: 66:[83, 5], Operations: ['85-52=33', '38-33=5'] Exploring Operation: 83*5=415, Resulting Numbers: [415] 415,66 unequal: No Solution Exploring Operation: 83+5=88, Resulting Numbers: [88] 88,66 unequal: No Solution Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,66 unequal: No Solution Moving to Node #0,1,3 Current State: 66:[85, 7], Operations: ['83-38=45', '52-45=7'] Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,66 unequal: No Solution Exploring Operation: 85*7=595, Resulting Numbers: [595] 595,66 unequal: No Solution Exploring Operation: 85+7=92, Resulting Numbers: [92] 92,66 unequal: No Solution Moving to Node #0,2,4 Current State: 66:[85, 7], Operations: ['83-52=31', '38-31=7'] Exploring Operation: 85-7=78, Resulting Numbers: [78] 78,66 unequal: No Solution Exploring Operation: 85*7=595, Resulting Numbers: [595] 595,66 unequal: No Solution Exploring Operation: 85+7=92, Resulting Numbers: [92] 92,66 unequal: No Solution Moving to Node #0,4,0 Current State: 66:[38, 50], Operations: ['85-52=33', '83-33=50'] Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 38+50=88, Resulting Numbers: [88] 88,66 unequal: No Solution Exploring Operation: 38*50=1900, Resulting Numbers: [1900] 1900,66 unequal: No Solution Moving to Node #0,1,2 Current State: 66:[52, 40], Operations: ['83-38=45', '85-45=40'] Exploring Operation: 52*40=2080, Resulting Numbers: [2080] 2080,66 unequal: No Solution Exploring Operation: 52-40=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 52+40=92, Resulting Numbers: [92] 92,66 unequal: No Solution Moving to Node #0,2,2 Current State: 66:[85, 69], Operations: ['83-52=31', '38+31=69'] Exploring Operation: 85+69=154, Resulting Numbers: [154] 154,66 unequal: No Solution Exploring Operation: 85*69=5865, Resulting Numbers: [5865] 5865,66 unequal: No Solution Exploring Operation: 85-69=16, Resulting Numbers: [16] 16,66 unequal: No Solution Moving to Node #0,4,4 Current State: 66:[83, 71], Operations: ['85-52=33', '38+33=71'] Exploring Operation: 83-71=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 83*71=5893, Resulting Numbers: [5893] 5893,66 unequal: No Solution Exploring Operation: 83+71=154, Resulting Numbers: [154] 154,66 unequal: No Solution Moving to Node #0,1,4 Current State: 66:[85, 97], Operations: ['83-38=45', '52+45=97'] Exploring Operation: 97-85=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 85+97=182, Resulting Numbers: [182] 182,66 unequal: No Solution Exploring Operation: 85*97=8245, Resulting Numbers: [8245] 8245,66 unequal: No Solution Moving to Node #0,4,1 Current State: 66:[33, 121], Operations: ['85-52=33', '83+38=121'] Exploring Operation: 33+121=154, Resulting Numbers: [154] 154,66 unequal: No Solution Exploring Operation: 33*121=3993, Resulting Numbers: [3993] 3993,66 unequal: No Solution Exploring Operation: 121-33=88, Resulting Numbers: [88] 88,66 unequal: No Solution Moving to Node #0,2,0 Current State: 66:[38, 116], Operations: ['83-52=31', '85+31=116'] Exploring Operation: 116-38=78, Resulting Numbers: [78] 78,66 unequal: No Solution Exploring Operation: 38*116=4408, Resulting Numbers: [4408] 4408,66 unequal: No Solution Exploring Operation: 38+116=154, Resulting Numbers: [154] 154,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[52, 130], Operations: ['83-38=45', '85+45=130'] Exploring Operation: 130-52=78, Resulting Numbers: [78] 78,66 unequal: No Solution Exploring Operation: 52+130=182, Resulting Numbers: [182] 182,66 unequal: No Solution Exploring Operation: 52*130=6760, Resulting Numbers: [6760] 6760,66 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 48, 39, 63, 79 ]
77
[ "63-39=24", "48/24=2", "79-2=77" ]
Current State: 77:[48, 39, 63, 79], Operations: [] Exploring Operation: 63-39=24, Resulting Numbers: [48, 79, 24] Generated Node #2: [48, 79, 24] from Operation: 63-39=24 Current State: 77:[48, 79, 24], Operations: ['63-39=24'] Exploring Operation: 48/24=2, Resulting Numbers: [79, 2] Generated Node #3: [79, 2] from Operation: 48/24=2 Current State: 77:[79, 2], Operations: ['63-39=24', '48/24=2'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[48, 39, 63, 79], Operations: [] Exploring Operation: 48+39=87, Resulting Numbers: [63, 79, 87] Generated Node #0,0: 77:[63, 79, 87] Operation: 48+39=87 Exploring Operation: 48-39=9, Resulting Numbers: [63, 79, 9] Generated Node #0,1: 77:[63, 79, 9] Operation: 48-39=9 Moving to Node #0,1 Current State: 77:[63, 79, 9], Operations: ['48-39=9'] Exploring Operation: 63/9=7, Resulting Numbers: [79, 7] Generated Node #0,1,0: 77:[79, 7] Operation: 63/9=7 Exploring Operation: 79-63=16, Resulting Numbers: [9, 16] Generated Node #0,1,1: 77:[9, 16] Operation: 79-63=16 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[79, 7], Operations: ['48-39=9', '63/9=7'] Exploring Operation: 79+7=86, Resulting Numbers: [86] 86,77 unequal: No Solution Exploring Operation: 79-7=72, Resulting Numbers: [72] 72,77 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:[9, 16], Operations: ['48-39=9', '79-63=16'] Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,77 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,77 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:[63, 79, 87], Operations: ['48+39=87'] Exploring Operation: 79-63=16, Resulting Numbers: [87, 16] Generated Node #0,0,0: 77:[87, 16] Operation: 79-63=16 Exploring Operation: 87-63=24, Resulting Numbers: [79, 24] Generated Node #0,0,1: 77:[79, 24] Operation: 87-63=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[87, 16], Operations: ['48+39=87', '79-63=16'] Exploring Operation: 87+16=103, Resulting Numbers: [103] 103,77 unequal: No Solution Exploring Operation: 87-16=71, Resulting Numbers: [71] 71,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[79, 24], Operations: ['48+39=87', '87-63=24'] Exploring Operation: 79-24=55, Resulting Numbers: [55] 55,77 unequal: No Solution Exploring Operation: 79+24=103, Resulting Numbers: [103] 103,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 22, 83, 21, 81 ]
65
[ "83-81=2", "22*2=44", "21+44=65" ]
Current State: 65:[22, 83, 21, 81], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [22, 21, 2] Generated Node #2: [22, 21, 2] from Operation: 83-81=2 Current State: 65:[22, 21, 2], Operations: ['83-81=2'] Exploring Operation: 22*2=44, Resulting Numbers: [21, 44] Generated Node #3: [21, 44] from Operation: 22*2=44 Current State: 65:[21, 44], Operations: ['83-81=2', '22*2=44'] Exploring Operation: 21+44=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[22, 83, 21, 81], Operations: [] Exploring Operation: 81-21=60, Resulting Numbers: [22, 83, 60] Generated Node #0,0: 65:[22, 83, 60] Operation: 81-21=60 Exploring Operation: 81-22=59, Resulting Numbers: [83, 21, 59] Generated Node #0,1: 65:[83, 21, 59] Operation: 81-22=59 Exploring Operation: 83-21=62, Resulting Numbers: [22, 81, 62] Generated Node #0,2: 65:[22, 81, 62] Operation: 83-21=62 Exploring Operation: 83-81=2, Resulting Numbers: [22, 21, 2] Generated Node #0,3: 65:[22, 21, 2] Operation: 83-81=2 Exploring Operation: 83-22=61, Resulting Numbers: [21, 81, 61] Generated Node #0,4: 65:[21, 81, 61] Operation: 83-22=61 Start Sub Search at level 1: Moving to Node #0,3 Current State: 65:[22, 21, 2], Operations: ['83-81=2'] Exploring Operation: 21-2=19, Resulting Numbers: [22, 19] Generated Node #0,3,0: 65:[22, 19] Operation: 21-2=19 Exploring Operation: 22/2=11, Resulting Numbers: [21, 11] Generated Node #0,3,1: 65:[21, 11] Operation: 22/2=11 Exploring Operation: 22-2=20, Resulting Numbers: [21, 20] Generated Node #0,3,2: 65:[21, 20] Operation: 22-2=20 Exploring Operation: 22-21=1, Resulting Numbers: [2, 1] Generated Node #0,3,3: 65:[2, 1] Operation: 22-21=1 Exploring Operation: 22+2=24, Resulting Numbers: [21, 24] Generated Node #0,3,4: 65:[21, 24] Operation: 22+2=24 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 65:[2, 1], Operations: ['83-81=2', '22-21=1'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,65 unequal: No Solution No 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: 65:[21, 11], Operations: ['83-81=2', '22/2=11'] Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,65 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,65 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,65 unequal: No Solution No 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: 65:[22, 19], Operations: ['83-81=2', '21-2=19'] Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 22*19=418, Resulting Numbers: [418] 418,65 unequal: No Solution Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,65 unequal: No Solution No 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: 65:[21, 20], Operations: ['83-81=2', '22-2=20'] Exploring Operation: 21+20=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 21*20=420, Resulting Numbers: [420] 420,65 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,65 unequal: No Solution No 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: 65:[21, 24], Operations: ['83-81=2', '22+2=24'] Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,65 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 21*24=504, Resulting Numbers: [504] 504,65 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: 65:[22, 81, 62], Operations: ['83-21=62'] Exploring Operation: 62-22=40, Resulting Numbers: [81, 40] Generated Node #0,2,0: 65:[81, 40] Operation: 62-22=40 Exploring Operation: 81-22=59, Resulting Numbers: [62, 59] Generated Node #0,2,1: 65:[62, 59] Operation: 81-22=59 Exploring Operation: 81-62=19, Resulting Numbers: [22, 19] Generated Node #0,2,2: 65:[22, 19] Operation: 81-62=19 Exploring Operation: 22+81=103, Resulting Numbers: [62, 103] Generated Node #0,2,3: 65:[62, 103] Operation: 22+81=103 Exploring Operation: 22+62=84, Resulting Numbers: [81, 84] Generated Node #0,2,4: 65:[81, 84] Operation: 22+62=84 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 65:[62, 59], Operations: ['83-21=62', '81-22=59'] Exploring Operation: 62+59=121, Resulting Numbers: [121] 121,65 unequal: No Solution Exploring Operation: 62*59=3658, Resulting Numbers: [3658] 3658,65 unequal: No Solution Exploring Operation: 62-59=3, Resulting Numbers: [3] 3,65 unequal: No Solution No 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: 65:[22, 19], Operations: ['83-21=62', '81-62=19'] Exploring Operation: 22-19=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 22+19=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 22*19=418, Resulting Numbers: [418] 418,65 unequal: No Solution No 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: 65:[81, 84], Operations: ['83-21=62', '22+62=84'] Exploring Operation: 84-81=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 81+84=165, Resulting Numbers: [165] 165,65 unequal: No Solution Exploring Operation: 81*84=6804, Resulting Numbers: [6804] 6804,65 unequal: No Solution No 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: 65:[81, 40], Operations: ['83-21=62', '62-22=40'] Exploring Operation: 81+40=121, Resulting Numbers: [121] 121,65 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 81*40=3240, Resulting Numbers: [3240] 3240,65 unequal: No Solution No 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: 65:[62, 103], Operations: ['83-21=62', '22+81=103'] Exploring Operation: 62*103=6386, Resulting Numbers: [6386] 6386,65 unequal: No Solution Exploring Operation: 103-62=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 62+103=165, Resulting Numbers: [165] 165,65 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: 65:[21, 81, 61], Operations: ['83-22=61'] Exploring Operation: 21+81=102, Resulting Numbers: [61, 102] Generated Node #0,4,0: 65:[61, 102] Operation: 21+81=102 Exploring Operation: 61-21=40, Resulting Numbers: [81, 40] Generated Node #0,4,1: 65:[81, 40] Operation: 61-21=40 Exploring Operation: 21+61=82, Resulting Numbers: [81, 82] Generated Node #0,4,2: 65:[81, 82] Operation: 21+61=82 Exploring Operation: 81-21=60, Resulting Numbers: [61, 60] Generated Node #0,4,3: 65:[61, 60] Operation: 81-21=60 Exploring Operation: 81-61=20, Resulting Numbers: [21, 20] Generated Node #0,4,4: 65:[21, 20] Operation: 81-61=20 Moving to Node #0,4,3 Current State: 65:[61, 60], Operations: ['83-22=61', '81-21=60'] Exploring Operation: 61+60=121, Resulting Numbers: [121] 121,65 unequal: No Solution Exploring Operation: 61*60=3660, Resulting Numbers: [3660] 3660,65 unequal: No Solution Exploring Operation: 61-60=1, Resulting Numbers: [1] 1,65 unequal: No Solution Moving to Node #0,4,4 Current State: 65:[21, 20], Operations: ['83-22=61', '81-61=20'] Exploring Operation: 21+20=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 21*20=420, Resulting Numbers: [420] 420,65 unequal: No Solution Moving to Node #0,4,2 Current State: 65:[81, 82], Operations: ['83-22=61', '21+61=82'] Exploring Operation: 81*82=6642, Resulting Numbers: [6642] 6642,65 unequal: No Solution Exploring Operation: 81+82=163, Resulting Numbers: [163] 163,65 unequal: No Solution Exploring Operation: 82-81=1, Resulting Numbers: [1] 1,65 unequal: No Solution Moving to Node #0,4,0 Current State: 65:[61, 102], Operations: ['83-22=61', '21+81=102'] Exploring Operation: 102-61=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 61+102=163, Resulting Numbers: [163] 163,65 unequal: No Solution Exploring Operation: 61*102=6222, Resulting Numbers: [6222] 6222,65 unequal: No Solution Moving to Node #0,4,1 Current State: 65:[81, 40], Operations: ['83-22=61', '61-21=40'] Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,65 unequal: No Solution Exploring Operation: 81+40=121, Resulting Numbers: [121] 121,65 unequal: No Solution Exploring Operation: 81*40=3240, Resulting Numbers: [3240] 3240,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[22, 83, 60], Operations: ['81-21=60'] Exploring Operation: 60-22=38, Resulting Numbers: [83, 38] Generated Node #0,0,0: 65:[83, 38] Operation: 60-22=38 Exploring Operation: 22+60=82, Resulting Numbers: [83, 82] Generated Node #0,0,1: 65:[83, 82] Operation: 22+60=82 Exploring Operation: 22+83=105, Resulting Numbers: [60, 105] Generated Node #0,0,2: 65:[60, 105] Operation: 22+83=105 Exploring Operation: 83-22=61, Resulting Numbers: [60, 61] Generated Node #0,0,3: 65:[60, 61] Operation: 83-22=61 Exploring Operation: 83-60=23, Resulting Numbers: [22, 23] Generated Node #0,0,4: 65:[22, 23] Operation: 83-60=23 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 65:[60, 61], Operations: ['81-21=60', '83-22=61'] Exploring Operation: 60*61=3660, Resulting Numbers: [3660] 3660,65 unequal: No Solution Exploring Operation: 61-60=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 60+61=121, Resulting Numbers: [121] 121,65 unequal: No Solution No 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: 65:[22, 23], Operations: ['81-21=60', '83-60=23'] Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,65 unequal: No Solution Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,65 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,65 unequal: No Solution No 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: 65:[83, 82], Operations: ['81-21=60', '22+60=82'] Exploring Operation: 83+82=165, Resulting Numbers: [165] 165,65 unequal: No Solution Exploring Operation: 83*82=6806, Resulting Numbers: [6806] 6806,65 unequal: No Solution Exploring Operation: 83-82=1, Resulting Numbers: [1] 1,65 unequal: No Solution No 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: 65:[83, 38], Operations: ['81-21=60', '60-22=38'] Exploring Operation: 83-38=45, Resulting Numbers: [45] 45,65 unequal: No Solution Exploring Operation: 83+38=121, Resulting Numbers: [121] 121,65 unequal: No Solution Exploring Operation: 83*38=3154, Resulting Numbers: [3154] 3154,65 unequal: No Solution No 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: 65:[60, 105], Operations: ['81-21=60', '22+83=105'] Exploring Operation: 60*105=6300, Resulting Numbers: [6300] 6300,65 unequal: No Solution Exploring Operation: 60+105=165, Resulting Numbers: [165] 165,65 unequal: No Solution Exploring Operation: 105-60=45, Resulting Numbers: [45] 45,65 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: 65:[83, 21, 59], Operations: ['81-22=59'] Exploring Operation: 83-21=62, Resulting Numbers: [59, 62] Generated Node #0,1,0: 65:[59, 62] Operation: 83-21=62 Exploring Operation: 83+21=104, Resulting Numbers: [59, 104] Generated Node #0,1,1: 65:[59, 104] Operation: 83+21=104 Exploring Operation: 21+59=80, Resulting Numbers: [83, 80] Generated Node #0,1,2: 65:[83, 80] Operation: 21+59=80 Exploring Operation: 59-21=38, Resulting Numbers: [83, 38] Generated Node #0,1,3: 65:[83, 38] Operation: 59-21=38 Exploring Operation: 83-59=24, Resulting Numbers: [21, 24] Generated Node #0,1,4: 65:[21, 24] Operation: 83-59=24 Moving to Node #0,1,0 Current State: 65:[59, 62], Operations: ['81-22=59', '83-21=62'] Exploring Operation: 59+62=121, Resulting Numbers: [121] 121,65 unequal: No Solution Exploring Operation: 59*62=3658, Resulting Numbers: [3658] 3658,65 unequal: No Solution Exploring Operation: 62-59=3, Resulting Numbers: [3] 3,65 unequal: No Solution Moving to Node #0,1,4 Current State: 65:[21, 24], Operations: ['81-22=59', '83-59=24'] Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 21+24=45, Resulting Numbers: [45] 45,65 unequal: No Solution Exploring Operation: 21*24=504, Resulting Numbers: [504] 504,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[83, 80], Operations: ['81-22=59', '21+59=80'] Exploring Operation: 83-80=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 83+80=163, Resulting Numbers: [163] 163,65 unequal: No Solution Exploring Operation: 83*80=6640, Resulting Numbers: [6640] 6640,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[83, 38], Operations: ['81-22=59', '59-21=38'] Exploring Operation: 83*38=3154, Resulting Numbers: [3154] 3154,65 unequal: No Solution Exploring Operation: 83-38=45, Resulting Numbers: [45] 45,65 unequal: No Solution Exploring Operation: 83+38=121, Resulting Numbers: [121] 121,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[59, 104], Operations: ['81-22=59', '83+21=104'] Exploring Operation: 59*104=6136, Resulting Numbers: [6136] 6136,65 unequal: No Solution Exploring Operation: 59+104=163, Resulting Numbers: [163] 163,65 unequal: No Solution Exploring Operation: 104-59=45, Resulting Numbers: [45] 45,65 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
[ 81, 4, 31, 11 ]
68
[ "81+31=112", "4*11=44", "112-44=68" ]
Current State: 68:[81, 4, 31, 11], Operations: [] Exploring Operation: 81+31=112, Resulting Numbers: [4, 11, 112] Generated Node #2: [4, 11, 112] from Operation: 81+31=112 Current State: 68:[4, 11, 112], Operations: ['81+31=112'] Exploring Operation: 4*11=44, Resulting Numbers: [112, 44] Generated Node #3: [112, 44] from Operation: 4*11=44 Current State: 68:[112, 44], Operations: ['81+31=112', '4*11=44'] Exploring Operation: 112-44=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[81, 4, 31, 11], Operations: [] Exploring Operation: 4+11=15, Resulting Numbers: [81, 31, 15] Generated Node #0,0: 68:[81, 31, 15] Operation: 4+11=15 Exploring Operation: 31-11=20, Resulting Numbers: [81, 4, 20] Generated Node #0,1: 68:[81, 4, 20] Operation: 31-11=20 Exploring Operation: 81-4=77, Resulting Numbers: [31, 11, 77] Generated Node #0,2: 68:[31, 11, 77] Operation: 81-4=77 Exploring Operation: 81-11=70, Resulting Numbers: [4, 31, 70] Generated Node #0,3: 68:[4, 31, 70] Operation: 81-11=70 Moving to Node #0,3 Current State: 68:[4, 31, 70], Operations: ['81-11=70'] Exploring Operation: 31-4=27, Resulting Numbers: [70, 27] Generated Node #0,3,0: 68:[70, 27] Operation: 31-4=27 Exploring Operation: 4+31=35, Resulting Numbers: [70, 35] Generated Node #0,3,1: 68:[70, 35] Operation: 4+31=35 Exploring Operation: 70-31=39, Resulting Numbers: [4, 39] Generated Node #0,3,2: 68:[4, 39] Operation: 70-31=39 Exploring Operation: 70-4=66, Resulting Numbers: [31, 66] Generated Node #0,3,3: 68:[31, 66] Operation: 70-4=66 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 68:[70, 35], Operations: ['81-11=70', '4+31=35'] Exploring Operation: 70+35=105, Resulting Numbers: [105] 105,68 unequal: No Solution Exploring Operation: 70-35=35, Resulting Numbers: [35] 35,68 unequal: No Solution Exploring Operation: 70*35=2450, Resulting Numbers: [2450] 2450,68 unequal: No Solution Exploring Operation: 70/35=2, Resulting Numbers: [2] 2,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 68:[4, 39], Operations: ['81-11=70', '70-31=39'] Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,68 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,68 unequal: No Solution Exploring Operation: 4*39=156, Resulting Numbers: [156] 156,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 68:[31, 66], Operations: ['81-11=70', '70-4=66'] Exploring Operation: 31*66=2046, Resulting Numbers: [2046] 2046,68 unequal: No Solution Exploring Operation: 31+66=97, Resulting Numbers: [97] 97,68 unequal: No Solution Exploring Operation: 66-31=35, Resulting Numbers: [35] 35,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 68:[70, 27], Operations: ['81-11=70', '31-4=27'] Exploring Operation: 70*27=1890, Resulting Numbers: [1890] 1890,68 unequal: No Solution Exploring Operation: 70+27=97, Resulting Numbers: [97] 97,68 unequal: No Solution Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,68 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: 68:[81, 4, 20], Operations: ['31-11=20'] Exploring Operation: 81-4=77, Resulting Numbers: [20, 77] Generated Node #0,1,0: 68:[20, 77] Operation: 81-4=77 Exploring Operation: 81-20=61, Resulting Numbers: [4, 61] Generated Node #0,1,1: 68:[4, 61] Operation: 81-20=61 Exploring Operation: 20/4=5, Resulting Numbers: [81, 5] Generated Node #0,1,2: 68:[81, 5] Operation: 20/4=5 Exploring Operation: 20-4=16, Resulting Numbers: [81, 16] Generated Node #0,1,3: 68:[81, 16] Operation: 20-4=16 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[4, 61], Operations: ['31-11=20', '81-20=61'] Exploring Operation: 4+61=65, Resulting Numbers: [65] 65,68 unequal: No Solution Exploring Operation: 4*61=244, Resulting Numbers: [244] 244,68 unequal: No Solution Exploring Operation: 61-4=57, Resulting Numbers: [57] 57,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[20, 77], Operations: ['31-11=20', '81-4=77'] Exploring Operation: 20+77=97, Resulting Numbers: [97] 97,68 unequal: No Solution Exploring Operation: 20*77=1540, Resulting Numbers: [1540] 1540,68 unequal: No Solution Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[81, 5], Operations: ['31-11=20', '20/4=5'] Exploring Operation: 81+5=86, Resulting Numbers: [86] 86,68 unequal: No Solution Exploring Operation: 81*5=405, Resulting Numbers: [405] 405,68 unequal: No Solution Exploring Operation: 81-5=76, Resulting Numbers: [76] 76,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 68:[81, 16], Operations: ['31-11=20', '20-4=16'] Exploring Operation: 81*16=1296, Resulting Numbers: [1296] 1296,68 unequal: No Solution Exploring Operation: 81+16=97, Resulting Numbers: [97] 97,68 unequal: No Solution Exploring Operation: 81-16=65, Resulting Numbers: [65] 65,68 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: 68:[31, 11, 77], Operations: ['81-4=77'] Exploring Operation: 31-11=20, Resulting Numbers: [77, 20] Generated Node #0,2,0: 68:[77, 20] Operation: 31-11=20 Exploring Operation: 77/11=7, Resulting Numbers: [31, 7] Generated Node #0,2,1: 68:[31, 7] Operation: 77/11=7 Exploring Operation: 77-11=66, Resulting Numbers: [31, 66] Generated Node #0,2,2: 68:[31, 66] Operation: 77-11=66 Exploring Operation: 31+11=42, Resulting Numbers: [77, 42] Generated Node #0,2,3: 68:[77, 42] Operation: 31+11=42 Moving to Node #0,0 Current State: 68:[81, 31, 15], Operations: ['4+11=15'] Exploring Operation: 81-31=50, Resulting Numbers: [15, 50] Generated Node #0,0,0: 68:[15, 50] Operation: 81-31=50 Exploring Operation: 31-15=16, Resulting Numbers: [81, 16] Generated Node #0,0,1: 68:[81, 16] Operation: 31-15=16 Exploring Operation: 31+15=46, Resulting Numbers: [81, 46] Generated Node #0,0,2: 68:[81, 46] Operation: 31+15=46 Exploring Operation: 81-15=66, Resulting Numbers: [31, 66] Generated Node #0,0,3: 68:[31, 66] Operation: 81-15=66 Moving to Node #0,2,2 Current State: 68:[31, 66], Operations: ['81-4=77', '77-11=66'] Exploring Operation: 31+66=97, Resulting Numbers: [97] 97,68 unequal: No Solution Exploring Operation: 66-31=35, Resulting Numbers: [35] 35,68 unequal: No Solution Exploring Operation: 31*66=2046, Resulting Numbers: [2046] 2046,68 unequal: No Solution Moving to Node #0,0,3 Current State: 68:[31, 66], Operations: ['4+11=15', '81-15=66'] Exploring Operation: 66-31=35, Resulting Numbers: [35] 35,68 unequal: No Solution Exploring Operation: 31*66=2046, Resulting Numbers: [2046] 2046,68 unequal: No Solution Exploring Operation: 31+66=97, Resulting Numbers: [97] 97,68 unequal: No Solution Moving to Node #0,2,1 Current State: 68:[31, 7], Operations: ['81-4=77', '77/11=7'] Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,68 unequal: No Solution Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,68 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[77, 20], Operations: ['81-4=77', '31-11=20'] Exploring Operation: 77*20=1540, Resulting Numbers: [1540] 1540,68 unequal: No Solution Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,68 unequal: No Solution Exploring Operation: 77+20=97, Resulting Numbers: [97] 97,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[81, 16], Operations: ['4+11=15', '31-15=16'] Exploring Operation: 81-16=65, Resulting Numbers: [65] 65,68 unequal: No Solution Exploring Operation: 81*16=1296, Resulting Numbers: [1296] 1296,68 unequal: No Solution Exploring Operation: 81+16=97, Resulting Numbers: [97] 97,68 unequal: No Solution Moving to Node #0,2,3 Current State: 68:[77, 42], Operations: ['81-4=77', '31+11=42'] Exploring Operation: 77+42=119, Resulting Numbers: [119] 119,68 unequal: No Solution Exploring Operation: 77*42=3234, Resulting Numbers: [3234] 3234,68 unequal: No Solution Exploring Operation: 77-42=35, Resulting Numbers: [35] 35,68 unequal: No Solution Moving to Node #0,0,0 Current State: 68:[15, 50], Operations: ['4+11=15', '81-31=50'] Exploring Operation: 50-15=35, Resulting Numbers: [35] 35,68 unequal: No Solution Exploring Operation: 15+50=65, Resulting Numbers: [65] 65,68 unequal: No Solution Exploring Operation: 15*50=750, Resulting Numbers: [750] 750,68 unequal: No Solution Moving to Node #0,0,2 Current State: 68:[81, 46], Operations: ['4+11=15', '31+15=46'] Exploring Operation: 81-46=35, Resulting Numbers: [35] 35,68 unequal: No Solution Exploring Operation: 81*46=3726, Resulting Numbers: [3726] 3726,68 unequal: No Solution Exploring Operation: 81+46=127, Resulting Numbers: [127] 127,68 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 25, 22, 48, 96 ]
94
[ "25+22=47", "96/48=2", "47*2=94" ]
Current State: 94:[25, 22, 48, 96], Operations: [] Exploring Operation: 25+22=47, Resulting Numbers: [48, 96, 47] Generated Node #2: [48, 96, 47] from Operation: 25+22=47 Current State: 94:[48, 96, 47], Operations: ['25+22=47'] Exploring Operation: 96/48=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 96/48=2 Current State: 94:[47, 2], Operations: ['25+22=47', '96/48=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[25, 22, 48, 96], Operations: [] Exploring Operation: 96/48=2, Resulting Numbers: [25, 22, 2] Generated Node #0,0: 94:[25, 22, 2] Operation: 96/48=2 Exploring Operation: 25+22=47, Resulting Numbers: [48, 96, 47] Generated Node #0,1: 94:[48, 96, 47] Operation: 25+22=47 Exploring Operation: 25+48=73, Resulting Numbers: [22, 96, 73] Generated Node #0,2: 94:[22, 96, 73] Operation: 25+48=73 Exploring Operation: 48-25=23, Resulting Numbers: [22, 96, 23] Generated Node #0,3: 94:[22, 96, 23] Operation: 48-25=23 Exploring Operation: 25-22=3, Resulting Numbers: [48, 96, 3] Generated Node #0,4: 94:[48, 96, 3] Operation: 25-22=3 Moving to Node #0,1 Current State: 94:[48, 96, 47], Operations: ['25+22=47'] Exploring Operation: 48+47=95, Resulting Numbers: [96, 95] Generated Node #0,1,0: 94:[96, 95] Operation: 48+47=95 Exploring Operation: 96-48=48, Resulting Numbers: [47, 48] Generated Node #0,1,1: 94:[47, 48] Operation: 96-48=48 Exploring Operation: 48-47=1, Resulting Numbers: [96, 1] Generated Node #0,1,2: 94:[96, 1] Operation: 48-47=1 Exploring Operation: 96-47=49, Resulting Numbers: [48, 49] Generated Node #0,1,3: 94:[48, 49] Operation: 96-47=49 Exploring Operation: 96/48=2, Resulting Numbers: [47, 2] Generated Node #0,1,4: 94:[47, 2] Operation: 96/48=2 Moving to Node #0,4 Current State: 94:[48, 96, 3], Operations: ['25-22=3'] Exploring Operation: 96-3=93, Resulting Numbers: [48, 93] Generated Node #0,4,0: 94:[48, 93] Operation: 96-3=93 Exploring Operation: 48+3=51, Resulting Numbers: [96, 51] Generated Node #0,4,1: 94:[96, 51] Operation: 48+3=51 Exploring Operation: 96-48=48, Resulting Numbers: [3, 48] Generated Node #0,4,2: 94:[3, 48] Operation: 96-48=48 Exploring Operation: 96/48=2, Resulting Numbers: [3, 2] Generated Node #0,4,3: 94:[3, 2] Operation: 96/48=2 Exploring Operation: 48-3=45, Resulting Numbers: [96, 45] Generated Node #0,4,4: 94:[96, 45] Operation: 48-3=45 Moving to Node #0,0 Current State: 94:[25, 22, 2], Operations: ['96/48=2'] Exploring Operation: 25*2=50, Resulting Numbers: [22, 50] Generated Node #0,0,0: 94:[22, 50] Operation: 25*2=50 Exploring Operation: 22/2=11, Resulting Numbers: [25, 11] Generated Node #0,0,1: 94:[25, 11] Operation: 22/2=11 Exploring Operation: 22*2=44, Resulting Numbers: [25, 44] Generated Node #0,0,2: 94:[25, 44] Operation: 22*2=44 Exploring Operation: 25-22=3, Resulting Numbers: [2, 3] Generated Node #0,0,3: 94:[2, 3] Operation: 25-22=3 Exploring Operation: 25+22=47, Resulting Numbers: [2, 47] Generated Node #0,0,4: 94:[2, 47] Operation: 25+22=47 Moving to Node #0,2 Current State: 94:[22, 96, 73], Operations: ['25+48=73'] Exploring Operation: 73-22=51, Resulting Numbers: [96, 51] Generated Node #0,2,0: 94:[96, 51] Operation: 73-22=51 Exploring Operation: 96-73=23, Resulting Numbers: [22, 23] Generated Node #0,2,1: 94:[22, 23] Operation: 96-73=23 Exploring Operation: 22+96=118, Resulting Numbers: [73, 118] Generated Node #0,2,2: 94:[73, 118] Operation: 22+96=118 Exploring Operation: 22+73=95, Resulting Numbers: [96, 95] Generated Node #0,2,3: 94:[96, 95] Operation: 22+73=95 Exploring Operation: 96-22=74, Resulting Numbers: [73, 74] Generated Node #0,2,4: 94:[73, 74] Operation: 96-22=74 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 94:[96, 95], Operations: ['25+48=73', '22+73=95'] Exploring Operation: 96-95=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 96*95=9120, Resulting Numbers: [9120] 9120,94 unequal: No Solution Exploring Operation: 96+95=191, Resulting Numbers: [191] 191,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[96, 51], Operations: ['25+48=73', '73-22=51'] Exploring Operation: 96+51=147, Resulting Numbers: [147] 147,94 unequal: No Solution Exploring Operation: 96*51=4896, Resulting Numbers: [4896] 4896,94 unequal: No Solution Exploring Operation: 96-51=45, Resulting Numbers: [45] 45,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[22, 23], Operations: ['25+48=73', '96-73=23'] Exploring Operation: 22+23=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 22*23=506, Resulting Numbers: [506] 506,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 94:[73, 74], Operations: ['25+48=73', '96-22=74'] Exploring Operation: 73+74=147, Resulting Numbers: [147] 147,94 unequal: No Solution Exploring Operation: 73*74=5402, Resulting Numbers: [5402] 5402,94 unequal: No Solution Exploring Operation: 74-73=1, Resulting Numbers: [1] 1,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[73, 118], Operations: ['25+48=73', '22+96=118'] Exploring Operation: 73+118=191, Resulting Numbers: [191] 191,94 unequal: No Solution Exploring Operation: 118-73=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 73*118=8614, Resulting Numbers: [8614] 8614,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 94:[22, 96, 23], Operations: ['48-25=23'] Exploring Operation: 23-22=1, Resulting Numbers: [96, 1] Generated Node #0,3,0: 94:[96, 1] Operation: 23-22=1 Exploring Operation: 96-23=73, Resulting Numbers: [22, 73] Generated Node #0,3,1: 94:[22, 73] Operation: 96-23=73 Exploring Operation: 96-22=74, Resulting Numbers: [23, 74] Generated Node #0,3,2: 94:[23, 74] Operation: 96-22=74 Exploring Operation: 22+96=118, Resulting Numbers: [23, 118] Generated Node #0,3,3: 94:[23, 118] Operation: 22+96=118 Exploring Operation: 22+23=45, Resulting Numbers: [96, 45] Generated Node #0,3,4: 94:[96, 45] Operation: 22+23=45 Moving to Node #0,1,4 Current State: 94:[47, 2], Operations: ['25+22=47', '96/48=2'] Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[25, 22, 48, 96], Operations: [] Exploring Operation: 25+22=47, Resulting Numbers: [48, 96, 47] Generated Node #0,1: 94:[48, 96, 47] Operation: 25+22=47 Moving to Node #0,1 Current State: 94:[48, 96, 47], Operations: ['25+22=47'] Exploring Operation: 96/48=2, Resulting Numbers: [47, 2] Generated Node #0,1,4: 94:[47, 2] Operation: 96/48=2 Moving to Node #0,1,4 Current State: 94:[47, 2], Operations: ['25+22=47', '96/48=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.955729
hs_5
sum_heuristic
[ 51, 16, 4, 96 ]
61
[ "51+4=55", "96/16=6", "55+6=61" ]
Current State: 61:[51, 16, 4, 96], Operations: [] Exploring Operation: 51+4=55, Resulting Numbers: [16, 96, 55] Generated Node #2: [16, 96, 55] from Operation: 51+4=55 Current State: 61:[16, 96, 55], Operations: ['51+4=55'] Exploring Operation: 96/16=6, Resulting Numbers: [55, 6] Generated Node #3: [55, 6] from Operation: 96/16=6 Current State: 61:[55, 6], Operations: ['51+4=55', '96/16=6'] Exploring Operation: 55+6=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[51, 16, 4, 96], Operations: [] Exploring Operation: 16*4=64, Resulting Numbers: [51, 96, 64] Generated Node #0,0: 61:[51, 96, 64] Operation: 16*4=64 Exploring Operation: 96-16=80, Resulting Numbers: [51, 4, 80] Generated Node #0,1: 61:[51, 4, 80] Operation: 96-16=80 Exploring Operation: 51+4=55, Resulting Numbers: [16, 96, 55] Generated Node #0,2: 61:[16, 96, 55] Operation: 51+4=55 Exploring Operation: 16+4=20, Resulting Numbers: [51, 96, 20] Generated Node #0,3: 61:[51, 96, 20] Operation: 16+4=20 Moving to Node #0,0 Current State: 61:[51, 96, 64], Operations: ['16*4=64'] Exploring Operation: 51+96=147, Resulting Numbers: [64, 147] Generated Node #0,0,0: 61:[64, 147] Operation: 51+96=147 Exploring Operation: 96-51=45, Resulting Numbers: [64, 45] Generated Node #0,0,1: 61:[64, 45] Operation: 96-51=45 Exploring Operation: 96-64=32, Resulting Numbers: [51, 32] Generated Node #0,0,2: 61:[51, 32] Operation: 96-64=32 Exploring Operation: 64-51=13, Resulting Numbers: [96, 13] Generated Node #0,0,3: 61:[96, 13] Operation: 64-51=13 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[64, 45], Operations: ['16*4=64', '96-51=45'] Exploring Operation: 64-45=19, Resulting Numbers: [19] 19,61 unequal: No Solution Exploring Operation: 64*45=2880, Resulting Numbers: [2880] 2880,61 unequal: No Solution Exploring Operation: 64+45=109, Resulting Numbers: [109] 109,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 61:[51, 32], Operations: ['16*4=64', '96-64=32'] Exploring Operation: 51-32=19, Resulting Numbers: [19] 19,61 unequal: No Solution Exploring Operation: 51+32=83, Resulting Numbers: [83] 83,61 unequal: No Solution Exploring Operation: 51*32=1632, Resulting Numbers: [1632] 1632,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 61:[96, 13], Operations: ['16*4=64', '64-51=13'] Exploring Operation: 96+13=109, Resulting Numbers: [109] 109,61 unequal: No Solution Exploring Operation: 96-13=83, Resulting Numbers: [83] 83,61 unequal: No Solution Exploring Operation: 96*13=1248, Resulting Numbers: [1248] 1248,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[64, 147], Operations: ['16*4=64', '51+96=147'] Exploring Operation: 64*147=9408, Resulting Numbers: [9408] 9408,61 unequal: No Solution Exploring Operation: 147-64=83, Resulting Numbers: [83] 83,61 unequal: No Solution Exploring Operation: 64+147=211, Resulting Numbers: [211] 211,61 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: 61:[16, 96, 55], Operations: ['51+4=55'] Exploring Operation: 16+55=71, Resulting Numbers: [96, 71] Generated Node #0,2,0: 61:[96, 71] Operation: 16+55=71 Exploring Operation: 55-16=39, Resulting Numbers: [96, 39] Generated Node #0,2,1: 61:[96, 39] Operation: 55-16=39 Exploring Operation: 16+96=112, Resulting Numbers: [55, 112] Generated Node #0,2,2: 61:[55, 112] Operation: 16+96=112 Exploring Operation: 96-16=80, Resulting Numbers: [55, 80] Generated Node #0,2,3: 61:[55, 80] Operation: 96-16=80 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 61:[55, 80], Operations: ['51+4=55', '96-16=80'] Exploring Operation: 80-55=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 55+80=135, Resulting Numbers: [135] 135,61 unequal: No Solution Exploring Operation: 55*80=4400, Resulting Numbers: [4400] 4400,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 61:[96, 71], Operations: ['51+4=55', '16+55=71'] Exploring Operation: 96*71=6816, Resulting Numbers: [6816] 6816,61 unequal: No Solution Exploring Operation: 96-71=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 96+71=167, Resulting Numbers: [167] 167,61 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 #0,2,1 Current State: 61:[96, 39], Operations: ['51+4=55', '55-16=39'] Exploring Operation: 96+39=135, Resulting Numbers: [135] 135,61 unequal: No Solution Exploring Operation: 96*39=3744, Resulting Numbers: [3744] 3744,61 unequal: No Solution Exploring Operation: 96-39=57, Resulting Numbers: [57] 57,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 61:[55, 112], Operations: ['51+4=55', '16+96=112'] Exploring Operation: 55*112=6160, Resulting Numbers: [6160] 6160,61 unequal: No Solution Exploring Operation: 55+112=167, Resulting Numbers: [167] 167,61 unequal: No Solution Exploring Operation: 112-55=57, Resulting Numbers: [57] 57,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 61:[51, 4, 80], Operations: ['96-16=80'] Exploring Operation: 51-4=47, Resulting Numbers: [80, 47] Generated Node #0,1,0: 61:[80, 47] Operation: 51-4=47 Exploring Operation: 80-4=76, Resulting Numbers: [51, 76] Generated Node #0,1,1: 61:[51, 76] Operation: 80-4=76 Exploring Operation: 4+80=84, Resulting Numbers: [51, 84] Generated Node #0,1,2: 61:[51, 84] Operation: 4+80=84 Exploring Operation: 51+4=55, Resulting Numbers: [80, 55] Generated Node #0,1,3: 61:[80, 55] Operation: 51+4=55 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[51, 76], Operations: ['96-16=80', '80-4=76'] Exploring Operation: 76-51=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 51*76=3876, Resulting Numbers: [3876] 3876,61 unequal: No Solution Exploring Operation: 51+76=127, Resulting Numbers: [127] 127,61 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 #0,1,3 Current State: 61:[80, 55], Operations: ['96-16=80', '51+4=55'] Exploring Operation: 80+55=135, Resulting Numbers: [135] 135,61 unequal: No Solution Exploring Operation: 80-55=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 80*55=4400, Resulting Numbers: [4400] 4400,61 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 #0,1,0 Current State: 61:[80, 47], Operations: ['96-16=80', '51-4=47'] Exploring Operation: 80-47=33, Resulting Numbers: [33] 33,61 unequal: No Solution Exploring Operation: 80+47=127, Resulting Numbers: [127] 127,61 unequal: No Solution Exploring Operation: 80*47=3760, Resulting Numbers: [3760] 3760,61 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 #0,1,2 Current State: 61:[51, 84], Operations: ['96-16=80', '4+80=84'] Exploring Operation: 84-51=33, Resulting Numbers: [33] 33,61 unequal: No Solution Exploring Operation: 51*84=4284, Resulting Numbers: [4284] 4284,61 unequal: No Solution Exploring Operation: 51+84=135, Resulting Numbers: [135] 135,61 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: 61:[51, 96, 20], Operations: ['16+4=20'] Exploring Operation: 96-51=45, Resulting Numbers: [20, 45] Generated Node #0,3,0: 61:[20, 45] Operation: 96-51=45 Exploring Operation: 96-20=76, Resulting Numbers: [51, 76] Generated Node #0,3,1: 61:[51, 76] Operation: 96-20=76 Exploring Operation: 51+20=71, Resulting Numbers: [96, 71] Generated Node #0,3,2: 61:[96, 71] Operation: 51+20=71 Exploring Operation: 51-20=31, Resulting Numbers: [96, 31] Generated Node #0,3,3: 61:[96, 31] Operation: 51-20=31 Moving to Node #0,3,1 Current State: 61:[51, 76], Operations: ['16+4=20', '96-20=76'] Exploring Operation: 51*76=3876, Resulting Numbers: [3876] 3876,61 unequal: No Solution Exploring Operation: 76-51=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 51+76=127, Resulting Numbers: [127] 127,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[96, 71], Operations: ['16+4=20', '51+20=71'] Exploring Operation: 96+71=167, Resulting Numbers: [167] 167,61 unequal: No Solution Exploring Operation: 96*71=6816, Resulting Numbers: [6816] 6816,61 unequal: No Solution Exploring Operation: 96-71=25, Resulting Numbers: [25] 25,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[20, 45], Operations: ['16+4=20', '96-51=45'] Exploring Operation: 45-20=25, Resulting Numbers: [25] 25,61 unequal: No Solution Exploring Operation: 20+45=65, Resulting Numbers: [65] 65,61 unequal: No Solution Exploring Operation: 20*45=900, Resulting Numbers: [900] 900,61 unequal: No Solution Moving to Node #0,3,3 Current State: 61:[96, 31], Operations: ['16+4=20', '51-20=31'] Exploring Operation: 96-31=65, Resulting Numbers: [65] 65,61 unequal: No Solution Exploring Operation: 96*31=2976, Resulting Numbers: [2976] 2976,61 unequal: No Solution Exploring Operation: 96+31=127, Resulting Numbers: [127] 127,61 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 1, 96, 3, 91 ]
62
[ "96-1=95", "91+95=186", "186/3=62" ]
Current State: 62:[1, 96, 3, 91], Operations: [] Exploring Operation: 96-1=95, Resulting Numbers: [3, 91, 95] Generated Node #2: [3, 91, 95] from Operation: 96-1=95 Current State: 62:[3, 91, 95], Operations: ['96-1=95'] Exploring Operation: 91+95=186, Resulting Numbers: [3, 186] Generated Node #3: [3, 186] from Operation: 91+95=186 Current State: 62:[3, 186], Operations: ['96-1=95', '91+95=186'] Exploring Operation: 186/3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[1, 96, 3, 91], Operations: [] Exploring Operation: 96/3=32, Resulting Numbers: [1, 91, 32] Generated Node #0,0: 62:[1, 91, 32] Operation: 96/3=32 Exploring Operation: 96-91=5, Resulting Numbers: [1, 3, 5] Generated Node #0,1: 62:[1, 3, 5] Operation: 96-91=5 Exploring Operation: 96-3=93, Resulting Numbers: [1, 91, 93] Generated Node #0,2: 62:[1, 91, 93] Operation: 96-3=93 Exploring Operation: 91-3=88, Resulting Numbers: [1, 96, 88] Generated Node #0,3: 62:[1, 96, 88] Operation: 91-3=88 Exploring Operation: 96-1=95, Resulting Numbers: [3, 91, 95] Generated Node #0,4: 62:[3, 91, 95] Operation: 96-1=95 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[1, 3, 5], Operations: ['96-91=5'] Exploring Operation: 3/1=3, Resulting Numbers: [5, 3] Generated Node #0,1,0: 62:[5, 3] Operation: 3/1=3 Exploring Operation: 1*3=3, Resulting Numbers: [5, 3] Generated Node #0,1,1: 62:[5, 3] Operation: 1*3=3 Exploring Operation: 5-3=2, Resulting Numbers: [1, 2] Generated Node #0,1,2: 62:[1, 2] Operation: 5-3=2 Exploring Operation: 5-1=4, Resulting Numbers: [3, 4] Generated Node #0,1,3: 62:[3, 4] Operation: 5-1=4 Exploring Operation: 3-1=2, Resulting Numbers: [5, 2] Generated Node #0,1,4: 62:[5, 2] Operation: 3-1=2 Moving to Node #0,1,2 Current State: 62:[1, 2], Operations: ['96-91=5', '5-3=2'] Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,62 unequal: No Solution Moving to Node #0,1,4 Current State: 62:[5, 2], Operations: ['96-91=5', '3-1=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,62 unequal: No Solution Moving to Node #0,1,3 Current State: 62:[3, 4], Operations: ['96-91=5', '5-1=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,62 unequal: No Solution Moving to Node #0,1,0 Current State: 62:[5, 3], Operations: ['96-91=5', '3/1=3'] Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,62 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[5, 3], Operations: ['96-91=5', '1*3=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,62 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[1, 91, 32], Operations: ['96/3=32'] Exploring Operation: 91/1=91, Resulting Numbers: [32, 91] Generated Node #0,0,0: 62:[32, 91] Operation: 91/1=91 Exploring Operation: 1*91=91, Resulting Numbers: [32, 91] Generated Node #0,0,1: 62:[32, 91] Operation: 1*91=91 Exploring Operation: 91-32=59, Resulting Numbers: [1, 59] Generated Node #0,0,2: 62:[1, 59] Operation: 91-32=59 Exploring Operation: 32-1=31, Resulting Numbers: [91, 31] Generated Node #0,0,3: 62:[91, 31] Operation: 32-1=31 Exploring Operation: 91-1=90, Resulting Numbers: [32, 90] Generated Node #0,0,4: 62:[32, 90] Operation: 91-1=90 Moving to Node #0,0,2 Current State: 62:[1, 59], Operations: ['96/3=32', '91-32=59'] Exploring Operation: 59/1=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 1+59=60, Resulting Numbers: [60] 60,62 unequal: No Solution Exploring Operation: 59-1=58, Resulting Numbers: [58] 58,62 unequal: No Solution Exploring Operation: 1*59=59, Resulting Numbers: [59] 59,62 unequal: No Solution Moving to Node #0,0,4 Current State: 62:[32, 90], Operations: ['96/3=32', '91-1=90'] Exploring Operation: 32*90=2880, Resulting Numbers: [2880] 2880,62 unequal: No Solution Exploring Operation: 32+90=122, Resulting Numbers: [122] 122,62 unequal: No Solution Exploring Operation: 90-32=58, Resulting Numbers: [58] 58,62 unequal: No Solution Moving to Node #0,0,3 Current State: 62:[91, 31], Operations: ['96/3=32', '32-1=31'] Exploring Operation: 91*31=2821, Resulting Numbers: [2821] 2821,62 unequal: No Solution Exploring Operation: 91+31=122, Resulting Numbers: [122] 122,62 unequal: No Solution Exploring Operation: 91-31=60, Resulting Numbers: [60] 60,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[32, 91], Operations: ['96/3=32', '91/1=91'] Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 32*91=2912, Resulting Numbers: [2912] 2912,62 unequal: No Solution Exploring Operation: 32+91=123, Resulting Numbers: [123] 123,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[32, 91], Operations: ['96/3=32', '1*91=91'] Exploring Operation: 32*91=2912, Resulting Numbers: [2912] 2912,62 unequal: No Solution Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,62 unequal: No Solution Exploring Operation: 32+91=123, Resulting Numbers: [123] 123,62 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 Current State: 62:[1, 91, 93], Operations: ['96-3=93'] Exploring Operation: 93-91=2, Resulting Numbers: [1, 2] Generated Node #0,2,0: 62:[1, 2] Operation: 93-91=2 Exploring Operation: 93-1=92, Resulting Numbers: [91, 92] Generated Node #0,2,1: 62:[91, 92] Operation: 93-1=92 Exploring Operation: 1*91=91, Resulting Numbers: [93, 91] Generated Node #0,2,2: 62:[93, 91] Operation: 1*91=91 Exploring Operation: 91-1=90, Resulting Numbers: [93, 90] Generated Node #0,2,3: 62:[93, 90] Operation: 91-1=90 Exploring Operation: 91/1=91, Resulting Numbers: [93, 91] Generated Node #0,2,4: 62:[93, 91] Operation: 91/1=91 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 62:[1, 2], Operations: ['96-3=93', '93-91=2'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 1+2=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 1*2=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 62:[91, 92], Operations: ['96-3=93', '93-1=92'] Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,62 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 62:[93, 90], Operations: ['96-3=93', '91-1=90'] Exploring Operation: 93-90=3, Resulting Numbers: [3] 3,62 unequal: No Solution Exploring Operation: 93*90=8370, Resulting Numbers: [8370] 8370,62 unequal: No Solution Exploring Operation: 93+90=183, Resulting Numbers: [183] 183,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 62:[93, 91], Operations: ['96-3=93', '1*91=91'] Exploring Operation: 93+91=184, Resulting Numbers: [184] 184,62 unequal: No Solution Exploring Operation: 93*91=8463, Resulting Numbers: [8463] 8463,62 unequal: No Solution Exploring Operation: 93-91=2, Resulting Numbers: [2] 2,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 62:[93, 91], Operations: ['96-3=93', '91/1=91'] Exploring Operation: 93-91=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 93*91=8463, Resulting Numbers: [8463] 8463,62 unequal: No Solution Exploring Operation: 93+91=184, Resulting Numbers: [184] 184,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[1, 96, 88], Operations: ['91-3=88'] Exploring Operation: 96/1=96, Resulting Numbers: [88, 96] Generated Node #0,3,0: 62:[88, 96] Operation: 96/1=96 Exploring Operation: 96-88=8, Resulting Numbers: [1, 8] Generated Node #0,3,1: 62:[1, 8] Operation: 96-88=8 Exploring Operation: 1*96=96, Resulting Numbers: [88, 96] Generated Node #0,3,2: 62:[88, 96] Operation: 1*96=96 Exploring Operation: 96-1=95, Resulting Numbers: [88, 95] Generated Node #0,3,3: 62:[88, 95] Operation: 96-1=95 Exploring Operation: 88-1=87, Resulting Numbers: [96, 87] Generated Node #0,3,4: 62:[96, 87] Operation: 88-1=87 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 62:[1, 8], Operations: ['91-3=88', '96-88=8'] Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,62 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 62:[88, 95], Operations: ['91-3=88', '96-1=95'] Exploring Operation: 95-88=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 88+95=183, Resulting Numbers: [183] 183,62 unequal: No Solution Exploring Operation: 88*95=8360, Resulting Numbers: [8360] 8360,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 62:[96, 87], Operations: ['91-3=88', '88-1=87'] Exploring Operation: 96*87=8352, Resulting Numbers: [8352] 8352,62 unequal: No Solution Exploring Operation: 96+87=183, Resulting Numbers: [183] 183,62 unequal: No Solution Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 62:[88, 96], Operations: ['91-3=88', '96/1=96'] Exploring Operation: 88*96=8448, Resulting Numbers: [8448] 8448,62 unequal: No Solution Exploring Operation: 96-88=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 88+96=184, Resulting Numbers: [184] 184,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 62:[88, 96], Operations: ['91-3=88', '1*96=96'] Exploring Operation: 88+96=184, Resulting Numbers: [184] 184,62 unequal: No Solution Exploring Operation: 96-88=8, Resulting Numbers: [8] 8,62 unequal: No Solution Exploring Operation: 88*96=8448, Resulting Numbers: [8448] 8448,62 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 62:[3, 91, 95], Operations: ['96-1=95'] Exploring Operation: 91-3=88, Resulting Numbers: [95, 88] Generated Node #0,4,0: 62:[95, 88] Operation: 91-3=88 Exploring Operation: 95-91=4, Resulting Numbers: [3, 4] Generated Node #0,4,1: 62:[3, 4] Operation: 95-91=4 Exploring Operation: 95-3=92, Resulting Numbers: [91, 92] Generated Node #0,4,2: 62:[91, 92] Operation: 95-3=92 Exploring Operation: 3+91=94, Resulting Numbers: [95, 94] Generated Node #0,4,3: 62:[95, 94] Operation: 3+91=94 Exploring Operation: 3+95=98, Resulting Numbers: [91, 98] Generated Node #0,4,4: 62:[91, 98] Operation: 3+95=98 Moving to Node #0,4,1 Current State: 62:[3, 4], Operations: ['96-1=95', '95-91=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,62 unequal: No Solution Moving to Node #0,4,2 Current State: 62:[91, 92], Operations: ['96-1=95', '95-3=92'] Exploring Operation: 91+92=183, Resulting Numbers: [183] 183,62 unequal: No Solution Exploring Operation: 91*92=8372, Resulting Numbers: [8372] 8372,62 unequal: No Solution Exploring Operation: 92-91=1, Resulting Numbers: [1] 1,62 unequal: No Solution Moving to Node #0,4,0 Current State: 62:[95, 88], Operations: ['96-1=95', '91-3=88'] Exploring Operation: 95-88=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 95*88=8360, Resulting Numbers: [8360] 8360,62 unequal: No Solution Exploring Operation: 95+88=183, Resulting Numbers: [183] 183,62 unequal: No Solution Moving to Node #0,4,3 Current State: 62:[95, 94], Operations: ['96-1=95', '3+91=94'] Exploring Operation: 95-94=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 95*94=8930, Resulting Numbers: [8930] 8930,62 unequal: No Solution Exploring Operation: 95+94=189, Resulting Numbers: [189] 189,62 unequal: No Solution Moving to Node #0,4,4 Current State: 62:[91, 98], Operations: ['96-1=95', '3+95=98'] Exploring Operation: 91+98=189, Resulting Numbers: [189] 189,62 unequal: No Solution Exploring Operation: 98-91=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 91*98=8918, Resulting Numbers: [8918] 8918,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 97, 11, 7, 76 ]
96
[ "97+76=173", "11*7=77", "173-77=96" ]
Current State: 96:[97, 11, 7, 76], Operations: [] Exploring Operation: 97+76=173, Resulting Numbers: [11, 7, 173] Generated Node #2: [11, 7, 173] from Operation: 97+76=173 Current State: 96:[11, 7, 173], Operations: ['97+76=173'] Exploring Operation: 11*7=77, Resulting Numbers: [173, 77] Generated Node #3: [173, 77] from Operation: 11*7=77 Current State: 96:[173, 77], Operations: ['97+76=173', '11*7=77'] Exploring Operation: 173-77=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[97, 11, 7, 76], Operations: [] Exploring Operation: 76-11=65, Resulting Numbers: [97, 7, 65] Generated Node #0,0: 96:[97, 7, 65] Operation: 76-11=65 Exploring Operation: 11+76=87, Resulting Numbers: [97, 7, 87] Generated Node #0,1: 96:[97, 7, 87] Operation: 11+76=87 Exploring Operation: 7+76=83, Resulting Numbers: [97, 11, 83] Generated Node #0,2: 96:[97, 11, 83] Operation: 7+76=83 Exploring Operation: 97-76=21, Resulting Numbers: [11, 7, 21] Generated Node #0,3: 96:[11, 7, 21] Operation: 97-76=21 Moving to Node #0,3 Current State: 96:[11, 7, 21], Operations: ['97-76=21'] Exploring Operation: 21-11=10, Resulting Numbers: [7, 10] Generated Node #0,3,0: 96:[7, 10] Operation: 21-11=10 Exploring Operation: 11+21=32, Resulting Numbers: [7, 32] Generated Node #0,3,1: 96:[7, 32] Operation: 11+21=32 Exploring Operation: 11-7=4, Resulting Numbers: [21, 4] Generated Node #0,3,2: 96:[21, 4] Operation: 11-7=4 Exploring Operation: 21/7=3, Resulting Numbers: [11, 3] Generated Node #0,3,3: 96:[11, 3] Operation: 21/7=3 Moving to Node #0,1 Current State: 96:[97, 7, 87], Operations: ['11+76=87'] Exploring Operation: 7+87=94, Resulting Numbers: [97, 94] Generated Node #0,1,0: 96:[97, 94] Operation: 7+87=94 Exploring Operation: 97-87=10, Resulting Numbers: [7, 10] Generated Node #0,1,1: 96:[7, 10] Operation: 97-87=10 Exploring Operation: 97+7=104, Resulting Numbers: [87, 104] Generated Node #0,1,2: 96:[87, 104] Operation: 97+7=104 Exploring Operation: 97-7=90, Resulting Numbers: [87, 90] Generated Node #0,1,3: 96:[87, 90] Operation: 97-7=90 Moving to Node #0,2 Current State: 96:[97, 11, 83], Operations: ['7+76=83'] Exploring Operation: 97+11=108, Resulting Numbers: [83, 108] Generated Node #0,2,0: 96:[83, 108] Operation: 97+11=108 Exploring Operation: 97-11=86, Resulting Numbers: [83, 86] Generated Node #0,2,1: 96:[83, 86] Operation: 97-11=86 Exploring Operation: 11+83=94, Resulting Numbers: [97, 94] Generated Node #0,2,2: 96:[97, 94] Operation: 11+83=94 Exploring Operation: 97-83=14, Resulting Numbers: [11, 14] Generated Node #0,2,3: 96:[11, 14] Operation: 97-83=14 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 96:[97, 94], Operations: ['7+76=83', '11+83=94'] Exploring Operation: 97-94=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 97*94=9118, Resulting Numbers: [9118] 9118,96 unequal: No Solution Exploring Operation: 97+94=191, Resulting Numbers: [191] 191,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 96:[11, 14], Operations: ['7+76=83', '97-83=14'] Exploring Operation: 11*14=154, Resulting Numbers: [154] 154,96 unequal: No Solution Exploring Operation: 11+14=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 96:[83, 86], Operations: ['7+76=83', '97-11=86'] Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 83*86=7138, Resulting Numbers: [7138] 7138,96 unequal: No Solution Exploring Operation: 83+86=169, Resulting Numbers: [169] 169,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 96:[83, 108], Operations: ['7+76=83', '97+11=108'] Exploring Operation: 83*108=8964, Resulting Numbers: [8964] 8964,96 unequal: No Solution Exploring Operation: 83+108=191, Resulting Numbers: [191] 191,96 unequal: No Solution Exploring Operation: 108-83=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 #0,0 Current State: 96:[97, 7, 65], Operations: ['76-11=65'] Exploring Operation: 65-7=58, Resulting Numbers: [97, 58] Generated Node #0,0,0: 96:[97, 58] Operation: 65-7=58 Exploring Operation: 97-65=32, Resulting Numbers: [7, 32] Generated Node #0,0,1: 96:[7, 32] Operation: 97-65=32 Exploring Operation: 97-7=90, Resulting Numbers: [65, 90] Generated Node #0,0,2: 96:[65, 90] Operation: 97-7=90 Exploring Operation: 97+7=104, Resulting Numbers: [65, 104] Generated Node #0,0,3: 96:[65, 104] Operation: 97+7=104 Moving to Node #0,3,1 Current State: 96:[7, 32], Operations: ['97-76=21', '11+21=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,96 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,96 unequal: No Solution Moving to Node #0,3,3 Current State: 96:[11, 3], Operations: ['97-76=21', '21/7=3'] Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,96 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[7, 32], Operations: ['76-11=65', '97-65=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,96 unequal: No Solution Moving to Node #0,3,0 Current State: 96:[7, 10], Operations: ['97-76=21', '21-11=10'] Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,96 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[7, 10], Operations: ['11+76=87', '97-87=10'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[97, 94], Operations: ['11+76=87', '7+87=94'] Exploring Operation: 97*94=9118, Resulting Numbers: [9118] 9118,96 unequal: No Solution Exploring Operation: 97-94=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 97+94=191, Resulting Numbers: [191] 191,96 unequal: No Solution Moving to Node #0,3,2 Current State: 96:[21, 4], Operations: ['97-76=21', '11-7=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,96 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[97, 58], Operations: ['76-11=65', '65-7=58'] Exploring Operation: 97-58=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 97+58=155, Resulting Numbers: [155] 155,96 unequal: No Solution Exploring Operation: 97*58=5626, Resulting Numbers: [5626] 5626,96 unequal: No Solution Moving to Node #0,1,3 Current State: 96:[87, 90], Operations: ['11+76=87', '97-7=90'] Exploring Operation: 87+90=177, Resulting Numbers: [177] 177,96 unequal: No Solution Exploring Operation: 90-87=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 87*90=7830, Resulting Numbers: [7830] 7830,96 unequal: No Solution Moving to Node #0,1,2 Current State: 96:[87, 104], Operations: ['11+76=87', '97+7=104'] Exploring Operation: 104-87=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 87*104=9048, Resulting Numbers: [9048] 9048,96 unequal: No Solution Exploring Operation: 87+104=191, Resulting Numbers: [191] 191,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[65, 90], Operations: ['76-11=65', '97-7=90'] Exploring Operation: 65*90=5850, Resulting Numbers: [5850] 5850,96 unequal: No Solution Exploring Operation: 90-65=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 65+90=155, Resulting Numbers: [155] 155,96 unequal: No Solution Moving to Node #0,0,3 Current State: 96:[65, 104], Operations: ['76-11=65', '97+7=104'] Exploring Operation: 65+104=169, Resulting Numbers: [169] 169,96 unequal: No Solution Exploring Operation: 104-65=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 65*104=6760, Resulting Numbers: [6760] 6760,96 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 99, 34, 12, 17 ]
71
[ "99+34=133", "12*17=204", "204-133=71" ]
Current State: 71:[99, 34, 12, 17], Operations: [] Exploring Operation: 99+34=133, Resulting Numbers: [12, 17, 133] Generated Node #2: [12, 17, 133] from Operation: 99+34=133 Current State: 71:[12, 17, 133], Operations: ['99+34=133'] Exploring Operation: 12*17=204, Resulting Numbers: [133, 204] Generated Node #3: [133, 204] from Operation: 12*17=204 Current State: 71:[133, 204], Operations: ['99+34=133', '12*17=204'] Exploring Operation: 204-133=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[99, 34, 12, 17], Operations: [] Exploring Operation: 99-12=87, Resulting Numbers: [34, 17, 87] Generated Node #0,0: 71:[34, 17, 87] Operation: 99-12=87 Exploring Operation: 34+12=46, Resulting Numbers: [99, 17, 46] Generated Node #0,1: 71:[99, 17, 46] Operation: 34+12=46 Exploring Operation: 99-17=82, Resulting Numbers: [34, 12, 82] Generated Node #0,2: 71:[34, 12, 82] Operation: 99-17=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[34, 17, 87], Operations: ['99-12=87'] Exploring Operation: 34-17=17, Resulting Numbers: [87, 17] Generated Node #0,0,0: 71:[87, 17] Operation: 34-17=17 Exploring Operation: 87-17=70, Resulting Numbers: [34, 70] Generated Node #0,0,1: 71:[34, 70] Operation: 87-17=70 Exploring Operation: 34+17=51, Resulting Numbers: [87, 51] Generated Node #0,0,2: 71:[87, 51] Operation: 34+17=51 Moving to Node #0,0,2 Current State: 71:[87, 51], Operations: ['99-12=87', '34+17=51'] Exploring Operation: 87+51=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 87*51=4437, Resulting Numbers: [4437] 4437,71 unequal: No Solution Exploring Operation: 87-51=36, Resulting Numbers: [36] 36,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[34, 70], Operations: ['99-12=87', '87-17=70'] Exploring Operation: 70-34=36, Resulting Numbers: [36] 36,71 unequal: No Solution Exploring Operation: 34*70=2380, Resulting Numbers: [2380] 2380,71 unequal: No Solution Exploring Operation: 34+70=104, Resulting Numbers: [104] 104,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[87, 17], Operations: ['99-12=87', '34-17=17'] Exploring Operation: 87*17=1479, Resulting Numbers: [1479] 1479,71 unequal: No Solution Exploring Operation: 87-17=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 87+17=104, Resulting Numbers: [104] 104,71 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 Current State: 71:[99, 17, 46], Operations: ['34+12=46'] Exploring Operation: 99+17=116, Resulting Numbers: [46, 116] Generated Node #0,1,0: 71:[46, 116] Operation: 99+17=116 Exploring Operation: 99-17=82, Resulting Numbers: [46, 82] Generated Node #0,1,1: 71:[46, 82] Operation: 99-17=82 Exploring Operation: 17+46=63, Resulting Numbers: [99, 63] Generated Node #0,1,2: 71:[99, 63] Operation: 17+46=63 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[46, 82], Operations: ['34+12=46', '99-17=82'] Exploring Operation: 46*82=3772, Resulting Numbers: [3772] 3772,71 unequal: No Solution Exploring Operation: 82-46=36, Resulting Numbers: [36] 36,71 unequal: No Solution Exploring Operation: 46+82=128, Resulting Numbers: [128] 128,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[99, 63], Operations: ['34+12=46', '17+46=63'] Exploring Operation: 99*63=6237, Resulting Numbers: [6237] 6237,71 unequal: No Solution Exploring Operation: 99+63=162, Resulting Numbers: [162] 162,71 unequal: No Solution Exploring Operation: 99-63=36, Resulting Numbers: [36] 36,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[46, 116], Operations: ['34+12=46', '99+17=116'] Exploring Operation: 46+116=162, Resulting Numbers: [162] 162,71 unequal: No Solution Exploring Operation: 116-46=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 46*116=5336, Resulting Numbers: [5336] 5336,71 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: 71:[34, 12, 82], Operations: ['99-17=82'] Exploring Operation: 34-12=22, Resulting Numbers: [82, 22] Generated Node #0,2,0: 71:[82, 22] Operation: 34-12=22 Exploring Operation: 34+12=46, Resulting Numbers: [82, 46] Generated Node #0,2,1: 71:[82, 46] Operation: 34+12=46 Exploring Operation: 82-12=70, Resulting Numbers: [34, 70] Generated Node #0,2,2: 71:[34, 70] Operation: 82-12=70 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[82, 46], Operations: ['99-17=82', '34+12=46'] Exploring Operation: 82-46=36, Resulting Numbers: [36] 36,71 unequal: No Solution Exploring Operation: 82*46=3772, Resulting Numbers: [3772] 3772,71 unequal: No Solution Exploring Operation: 82+46=128, Resulting Numbers: [128] 128,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[34, 70], Operations: ['99-17=82', '82-12=70'] Exploring Operation: 70-34=36, Resulting Numbers: [36] 36,71 unequal: No Solution Exploring Operation: 34*70=2380, Resulting Numbers: [2380] 2380,71 unequal: No Solution Exploring Operation: 34+70=104, Resulting Numbers: [104] 104,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[82, 22], Operations: ['99-17=82', '34-12=22'] Exploring Operation: 82*22=1804, Resulting Numbers: [1804] 1804,71 unequal: No Solution Exploring Operation: 82+22=104, Resulting Numbers: [104] 104,71 unequal: No Solution Exploring Operation: 82-22=60, Resulting Numbers: [60] 60,71 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
[ 12, 95, 67, 79 ]
39
[ "12+95=107", "67+79=146", "146-107=39" ]
Current State: 39:[12, 95, 67, 79], Operations: [] Exploring Operation: 12+95=107, Resulting Numbers: [67, 79, 107] Generated Node #2: [67, 79, 107] from Operation: 12+95=107 Current State: 39:[67, 79, 107], Operations: ['12+95=107'] Exploring Operation: 67+79=146, Resulting Numbers: [107, 146] Generated Node #3: [107, 146] from Operation: 67+79=146 Current State: 39:[107, 146], Operations: ['12+95=107', '67+79=146'] Exploring Operation: 146-107=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[12, 95, 67, 79], Operations: [] Exploring Operation: 95-67=28, Resulting Numbers: [12, 79, 28] Generated Node #0,0: 39:[12, 79, 28] Operation: 95-67=28 Exploring Operation: 95-79=16, Resulting Numbers: [12, 67, 16] Generated Node #0,1: 39:[12, 67, 16] Operation: 95-79=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[12, 67, 16], Operations: ['95-79=16'] Exploring Operation: 67-16=51, Resulting Numbers: [12, 51] Generated Node #0,1,0: 39:[12, 51] Operation: 67-16=51 Exploring Operation: 67-12=55, Resulting Numbers: [16, 55] Generated Node #0,1,1: 39:[16, 55] Operation: 67-12=55 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[12, 51], Operations: ['95-79=16', '67-16=51'] Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,39 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[12, 95, 67, 79], Operations: [] Exploring Operation: 95-79=16, Resulting Numbers: [12, 67, 16] Generated Node #0,1: 39:[12, 67, 16] Operation: 95-79=16 Moving to Node #0,1 Current State: 39:[12, 67, 16], Operations: ['95-79=16'] Exploring Operation: 67-16=51, Resulting Numbers: [12, 51] Generated Node #0,1,0: 39:[12, 51] Operation: 67-16=51 Moving to Node #0,1,0 Current State: 39:[12, 51], Operations: ['95-79=16', '67-16=51'] Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 28, 50, 22, 61 ]
17
[ "50-28=22", "61-22=39", "39-22=17" ]
Current State: 17:[28, 50, 22, 61], Operations: [] Exploring Operation: 50-28=22, Resulting Numbers: [22, 61, 22] Generated Node #2: [22, 61, 22] from Operation: 50-28=22 Current State: 17:[22, 61, 22], Operations: ['50-28=22'] Exploring Operation: 61-22=39, Resulting Numbers: [39] 39,17 equal: Goal Reached Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[28, 50, 22, 61], Operations: [] Exploring Operation: 61-50=11, Resulting Numbers: [28, 22, 11] Generated Node #0,0: 17:[28, 22, 11] Operation: 61-50=11 Exploring Operation: 50-28=22, Resulting Numbers: [22, 61, 22] Generated Node #0,1: 17:[22, 61, 22] Operation: 50-28=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[28, 22, 11], Operations: ['61-50=11'] Exploring Operation: 28-11=17, Resulting Numbers: [22, 17] Generated Node #0,0,0: 17:[22, 17] Operation: 28-11=17 Exploring Operation: 28-22=6, Resulting Numbers: [11, 6] Generated Node #0,0,1: 17:[11, 6] Operation: 28-22=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[22, 17], Operations: ['61-50=11', '28-11=17'] Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 17:[11, 6], Operations: ['61-50=11', '28-22=6'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[28, 50, 22, 61], Operations: [] Exploring Operation: 61-50=11, Resulting Numbers: [28, 22, 11] Generated Node #0,0: 17:[28, 22, 11] Operation: 61-50=11 Moving to Node #0,0 Current State: 17:[28, 22, 11], Operations: ['61-50=11'] Exploring Operation: 28-22=6, Resulting Numbers: [11, 6] Generated Node #0,0,1: 17:[11, 6] Operation: 28-22=6 Moving to Node #0,0,1 Current State: 17:[11, 6], Operations: ['61-50=11', '28-22=6'] Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 65, 17, 69, 60 ]
73
[ "65+17=82", "69-60=9", "82-9=73" ]
Current State: 73:[65, 17, 69, 60], Operations: [] Exploring Operation: 65+17=82, Resulting Numbers: [69, 60, 82] Generated Node #2: [69, 60, 82] from Operation: 65+17=82 Current State: 73:[69, 60, 82], Operations: ['65+17=82'] Exploring Operation: 69-60=9, Resulting Numbers: [82, 9] Generated Node #3: [82, 9] from Operation: 69-60=9 Current State: 73:[82, 9], Operations: ['65+17=82', '69-60=9'] Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[65, 17, 69, 60], Operations: [] Exploring Operation: 69-17=52, Resulting Numbers: [65, 60, 52] Generated Node #0,0: 73:[65, 60, 52] Operation: 69-17=52 Exploring Operation: 65-17=48, Resulting Numbers: [69, 60, 48] Generated Node #0,1: 73:[69, 60, 48] Operation: 65-17=48 Exploring Operation: 17+60=77, Resulting Numbers: [65, 69, 77] Generated Node #0,2: 73:[65, 69, 77] Operation: 17+60=77 Exploring Operation: 65+17=82, Resulting Numbers: [69, 60, 82] Generated Node #0,3: 73:[69, 60, 82] Operation: 65+17=82 Exploring Operation: 17+69=86, Resulting Numbers: [65, 60, 86] Generated Node #0,4: 73:[65, 60, 86] Operation: 17+69=86 Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[65, 69, 77], Operations: ['17+60=77'] Exploring Operation: 69-65=4, Resulting Numbers: [77, 4] Generated Node #0,2,0: 73:[77, 4] Operation: 69-65=4 Exploring Operation: 65+77=142, Resulting Numbers: [69, 142] Generated Node #0,2,1: 73:[69, 142] Operation: 65+77=142 Exploring Operation: 77-69=8, Resulting Numbers: [65, 8] Generated Node #0,2,2: 73:[65, 8] Operation: 77-69=8 Exploring Operation: 65+69=134, Resulting Numbers: [77, 134] Generated Node #0,2,3: 73:[77, 134] Operation: 65+69=134 Exploring Operation: 77-65=12, Resulting Numbers: [69, 12] Generated Node #0,2,4: 73:[69, 12] Operation: 77-65=12 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 73:[77, 134], Operations: ['17+60=77', '65+69=134'] Exploring Operation: 77*134=10318, Resulting Numbers: [10318] 10318,73 unequal: No Solution Exploring Operation: 134-77=57, Resulting Numbers: [57] 57,73 unequal: No Solution Exploring Operation: 77+134=211, Resulting Numbers: [211] 211,73 unequal: No Solution No 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: 73:[69, 12], Operations: ['17+60=77', '77-65=12'] Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,73 unequal: No Solution Exploring Operation: 69*12=828, Resulting Numbers: [828] 828,73 unequal: No Solution Exploring Operation: 69+12=81, Resulting Numbers: [81] 81,73 unequal: No Solution No 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: 73:[77, 4], Operations: ['17+60=77', '69-65=4'] Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,73 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,73 unequal: No Solution Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[65, 17, 69, 60], Operations: [] Exploring Operation: 17+60=77, Resulting Numbers: [65, 69, 77] Generated Node #0,2: 73:[65, 69, 77] Operation: 17+60=77 Moving to Node #0,2 Current State: 73:[65, 69, 77], Operations: ['17+60=77'] Exploring Operation: 69-65=4, Resulting Numbers: [77, 4] Generated Node #0,2,0: 73:[77, 4] Operation: 69-65=4 Moving to Node #0,2,0 Current State: 73:[77, 4], Operations: ['17+60=77', '69-65=4'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_5
mult_heuristic
[ 86, 95, 16, 27 ]
93
[ "16+27=43", "86/43=2", "95-2=93" ]
Current State: 93:[86, 95, 16, 27], Operations: [] Exploring Operation: 16+27=43, Resulting Numbers: [86, 95, 43] Generated Node #2: [86, 95, 43] from Operation: 16+27=43 Current State: 93:[86, 95, 43], Operations: ['16+27=43'] Exploring Operation: 86/43=2, Resulting Numbers: [95, 2] Generated Node #3: [95, 2] from Operation: 86/43=2 Current State: 93:[95, 2], Operations: ['16+27=43', '86/43=2'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[86, 95, 16, 27], Operations: [] Exploring Operation: 95-16=79, Resulting Numbers: [86, 27, 79] Generated Node #0,0: 93:[86, 27, 79] Operation: 95-16=79 Exploring Operation: 16+27=43, Resulting Numbers: [86, 95, 43] Generated Node #0,1: 93:[86, 95, 43] Operation: 16+27=43 Exploring Operation: 95-86=9, Resulting Numbers: [16, 27, 9] Generated Node #0,2: 93:[16, 27, 9] Operation: 95-86=9 Exploring Operation: 86+16=102, Resulting Numbers: [95, 27, 102] Generated Node #0,3: 93:[95, 27, 102] Operation: 86+16=102 Exploring Operation: 27-16=11, Resulting Numbers: [86, 95, 11] Generated Node #0,4: 93:[86, 95, 11] Operation: 27-16=11 Start Sub Search at level 1: Moving to Node #0,3 Current State: 93:[95, 27, 102], Operations: ['86+16=102'] Exploring Operation: 95-27=68, Resulting Numbers: [102, 68] Generated Node #0,3,0: 93:[102, 68] Operation: 95-27=68 Exploring Operation: 102-95=7, Resulting Numbers: [27, 7] Generated Node #0,3,1: 93:[27, 7] Operation: 102-95=7 Exploring Operation: 27+102=129, Resulting Numbers: [95, 129] Generated Node #0,3,2: 93:[95, 129] Operation: 27+102=129 Exploring Operation: 95+27=122, Resulting Numbers: [102, 122] Generated Node #0,3,3: 93:[102, 122] Operation: 95+27=122 Exploring Operation: 102-27=75, Resulting Numbers: [95, 75] Generated Node #0,3,4: 93:[95, 75] Operation: 102-27=75 Moving to Node #0,3,1 Current State: 93:[27, 7], Operations: ['86+16=102', '102-95=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,93 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,93 unequal: No Solution Moving to Node #0,3,4 Current State: 93:[95, 75], Operations: ['86+16=102', '102-27=75'] Exploring Operation: 95-75=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 95+75=170, Resulting Numbers: [170] 170,93 unequal: No Solution Exploring Operation: 95*75=7125, Resulting Numbers: [7125] 7125,93 unequal: No Solution Moving to Node #0,3,0 Current State: 93:[102, 68], Operations: ['86+16=102', '95-27=68'] Exploring Operation: 102+68=170, Resulting Numbers: [170] 170,93 unequal: No Solution Exploring Operation: 102*68=6936, Resulting Numbers: [6936] 6936,93 unequal: No Solution Exploring Operation: 102-68=34, Resulting Numbers: [34] 34,93 unequal: No Solution Moving to Node #0,3,2 Current State: 93:[95, 129], Operations: ['86+16=102', '27+102=129'] Exploring Operation: 129-95=34, Resulting Numbers: [34] 34,93 unequal: No Solution Exploring Operation: 95+129=224, Resulting Numbers: [224] 224,93 unequal: No Solution Exploring Operation: 95*129=12255, Resulting Numbers: [12255] 12255,93 unequal: No Solution Moving to Node #0,3,3 Current State: 93:[102, 122], Operations: ['86+16=102', '95+27=122'] Exploring Operation: 102*122=12444, Resulting Numbers: [12444] 12444,93 unequal: No Solution Exploring Operation: 102+122=224, Resulting Numbers: [224] 224,93 unequal: No Solution Exploring Operation: 122-102=20, Resulting Numbers: [20] 20,93 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 #0,4 Current State: 93:[86, 95, 11], Operations: ['27-16=11'] Exploring Operation: 95-86=9, Resulting Numbers: [11, 9] Generated Node #0,4,0: 93:[11, 9] Operation: 95-86=9 Exploring Operation: 95+11=106, Resulting Numbers: [86, 106] Generated Node #0,4,1: 93:[86, 106] Operation: 95+11=106 Exploring Operation: 95-11=84, Resulting Numbers: [86, 84] Generated Node #0,4,2: 93:[86, 84] Operation: 95-11=84 Exploring Operation: 86+11=97, Resulting Numbers: [95, 97] Generated Node #0,4,3: 93:[95, 97] Operation: 86+11=97 Exploring Operation: 86-11=75, Resulting Numbers: [95, 75] Generated Node #0,4,4: 93:[95, 75] Operation: 86-11=75 Moving to Node #0,4,3 Current State: 93:[95, 97], Operations: ['27-16=11', '86+11=97'] Exploring Operation: 97-95=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 95*97=9215, Resulting Numbers: [9215] 9215,93 unequal: No Solution Exploring Operation: 95+97=192, Resulting Numbers: [192] 192,93 unequal: No Solution Moving to Node #0,4,0 Current State: 93:[11, 9], Operations: ['27-16=11', '95-86=9'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,93 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,93 unequal: No Solution Moving to Node #0,4,2 Current State: 93:[86, 84], Operations: ['27-16=11', '95-11=84'] Exploring Operation: 86+84=170, Resulting Numbers: [170] 170,93 unequal: No Solution Exploring Operation: 86-84=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 86*84=7224, Resulting Numbers: [7224] 7224,93 unequal: No Solution Moving to Node #0,4,1 Current State: 93:[86, 106], Operations: ['27-16=11', '95+11=106'] Exploring Operation: 106-86=20, Resulting Numbers: [20] 20,93 unequal: No Solution Exploring Operation: 86+106=192, Resulting Numbers: [192] 192,93 unequal: No Solution Exploring Operation: 86*106=9116, Resulting Numbers: [9116] 9116,93 unequal: No Solution Moving to Node #0,4,4 Current State: 93:[95, 75], Operations: ['27-16=11', '86-11=75'] Exploring Operation: 95*75=7125, Resulting Numbers: [7125] 7125,93 unequal: No Solution Exploring Operation: 95+75=170, Resulting Numbers: [170] 170,93 unequal: No Solution Exploring Operation: 95-75=20, Resulting Numbers: [20] 20,93 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:[86, 95, 43], Operations: ['16+27=43'] Exploring Operation: 95-43=52, Resulting Numbers: [86, 52] Generated Node #0,1,0: 93:[86, 52] Operation: 95-43=52 Exploring Operation: 86+43=129, Resulting Numbers: [95, 129] Generated Node #0,1,1: 93:[95, 129] Operation: 86+43=129 Exploring Operation: 86/43=2, Resulting Numbers: [95, 2] Generated Node #0,1,2: 93:[95, 2] Operation: 86/43=2 Exploring Operation: 86-43=43, Resulting Numbers: [95, 43] Generated Node #0,1,3: 93:[95, 43] Operation: 86-43=43 Exploring Operation: 95-86=9, Resulting Numbers: [43, 9] Generated Node #0,1,4: 93:[43, 9] Operation: 95-86=9 Moving to Node #0,1,2 Current State: 93:[95, 2], Operations: ['16+27=43', '86/43=2'] Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[86, 95, 16, 27], Operations: [] Exploring Operation: 16+27=43, Resulting Numbers: [86, 95, 43] Generated Node #0,1: 93:[86, 95, 43] Operation: 16+27=43 Moving to Node #0,1 Current State: 93:[86, 95, 43], Operations: ['16+27=43'] Exploring Operation: 86/43=2, Resulting Numbers: [95, 2] Generated Node #0,1,2: 93:[95, 2] Operation: 86/43=2 Moving to Node #0,1,2 Current State: 93:[95, 2], Operations: ['16+27=43', '86/43=2'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.951389
hs_5
sum_heuristic
[ 9, 17, 55, 57 ]
16
[ "17-9=8", "57-55=2", "8*2=16" ]
Current State: 16:[9, 17, 55, 57], Operations: [] Exploring Operation: 17-9=8, Resulting Numbers: [55, 57, 8] Generated Node #2: [55, 57, 8] from Operation: 17-9=8 Current State: 16:[55, 57, 8], Operations: ['17-9=8'] Exploring Operation: 57-55=2, Resulting Numbers: [8, 2] Generated Node #3: [8, 2] from Operation: 57-55=2 Current State: 16:[8, 2], Operations: ['17-9=8', '57-55=2'] Exploring Operation: 8*2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[9, 17, 55, 57], Operations: [] Exploring Operation: 55-17=38, Resulting Numbers: [9, 57, 38] Generated Node #0,0: 16:[9, 57, 38] Operation: 55-17=38 Exploring Operation: 55-9=46, Resulting Numbers: [17, 57, 46] Generated Node #0,1: 16:[17, 57, 46] Operation: 55-9=46 Exploring Operation: 57-9=48, Resulting Numbers: [17, 55, 48] Generated Node #0,2: 16:[17, 55, 48] Operation: 57-9=48 Exploring Operation: 57-55=2, Resulting Numbers: [9, 17, 2] Generated Node #0,3: 16:[9, 17, 2] Operation: 57-55=2 Exploring Operation: 57-17=40, Resulting Numbers: [9, 55, 40] Generated Node #0,4: 16:[9, 55, 40] Operation: 57-17=40 Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[9, 17, 2], Operations: ['57-55=2'] Exploring Operation: 9*2=18, Resulting Numbers: [17, 18] Generated Node #0,3,0: 16:[17, 18] Operation: 9*2=18 Exploring Operation: 17-2=15, Resulting Numbers: [9, 15] Generated Node #0,3,1: 16:[9, 15] Operation: 17-2=15 Exploring Operation: 9+2=11, Resulting Numbers: [17, 11] Generated Node #0,3,2: 16:[17, 11] Operation: 9+2=11 Exploring Operation: 9-2=7, Resulting Numbers: [17, 7] Generated Node #0,3,3: 16:[17, 7] Operation: 9-2=7 Exploring Operation: 17-9=8, Resulting Numbers: [2, 8] Generated Node #0,3,4: 16:[2, 8] Operation: 17-9=8 Moving to Node #0,3,4 Current State: 16:[2, 8], Operations: ['57-55=2', '17-9=8'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,16 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[9, 17, 55, 57], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [9, 17, 2] Generated Node #0,3: 16:[9, 17, 2] Operation: 57-55=2 Moving to Node #0,3 Current State: 16:[9, 17, 2], Operations: ['57-55=2'] Exploring Operation: 17-9=8, Resulting Numbers: [2, 8] Generated Node #0,3,4: 16:[2, 8] Operation: 17-9=8 Moving to Node #0,3,4 Current State: 16:[2, 8], Operations: ['57-55=2', '17-9=8'] Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 70, 2, 28, 62 ]
67
[ "70*2=140", "140/28=5", "62+5=67" ]
Current State: 67:[70, 2, 28, 62], Operations: [] Exploring Operation: 70*2=140, Resulting Numbers: [28, 62, 140] Generated Node #2: [28, 62, 140] from Operation: 70*2=140 Current State: 67:[28, 62, 140], Operations: ['70*2=140'] Exploring Operation: 140/28=5, Resulting Numbers: [62, 5] Generated Node #3: [62, 5] from Operation: 140/28=5 Current State: 67:[62, 5], Operations: ['70*2=140', '140/28=5'] Exploring Operation: 62+5=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[70, 2, 28, 62], Operations: [] Exploring Operation: 2*28=56, Resulting Numbers: [70, 62, 56] Generated Node #0,0: 67:[70, 62, 56] Operation: 2*28=56 Moving to Node #0,0 Current State: 67:[70, 62, 56], Operations: ['2*28=56'] Exploring Operation: 62+56=118, Resulting Numbers: [70, 118] Generated Node #0,0,0: 67:[70, 118] Operation: 62+56=118 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[70, 118], Operations: ['2*28=56', '62+56=118'] Exploring Operation: 118-70=48, Resulting Numbers: [48] 48,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 98, 62, 31, 12 ]
88
[ "98-12=86", "62/31=2", "86+2=88" ]
Current State: 88:[98, 62, 31, 12], Operations: [] Exploring Operation: 98-12=86, Resulting Numbers: [62, 31, 86] Generated Node #2: [62, 31, 86] from Operation: 98-12=86 Current State: 88:[62, 31, 86], Operations: ['98-12=86'] Exploring Operation: 62/31=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 62/31=2 Current State: 88:[86, 2], Operations: ['98-12=86', '62/31=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[98, 62, 31, 12], Operations: [] Exploring Operation: 62+31=93, Resulting Numbers: [98, 12, 93] Generated Node #0,0: 88:[98, 12, 93] Operation: 62+31=93 Exploring Operation: 62/31=2, Resulting Numbers: [98, 12, 2] Generated Node #0,1: 88:[98, 12, 2] Operation: 62/31=2 Moving to Node #0,1 Current State: 88:[98, 12, 2], Operations: ['62/31=2'] Exploring Operation: 98-12=86, Resulting Numbers: [2, 86] Generated Node #0,1,0: 88:[2, 86] Operation: 98-12=86 Exploring Operation: 98/2=49, Resulting Numbers: [12, 49] Generated Node #0,1,1: 88:[12, 49] Operation: 98/2=49 Moving to Node #0,0 Current State: 88:[98, 12, 93], Operations: ['62+31=93'] Exploring Operation: 98-12=86, Resulting Numbers: [93, 86] Generated Node #0,0,0: 88:[93, 86] Operation: 98-12=86 Exploring Operation: 98-93=5, Resulting Numbers: [12, 5] Generated Node #0,0,1: 88:[12, 5] Operation: 98-93=5 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 88:[12, 5], Operations: ['62+31=93', '98-93=5'] Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,88 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 88:[93, 86], Operations: ['62+31=93', '98-12=86'] Exploring Operation: 93-86=7, Resulting Numbers: [7] 7,88 unequal: No Solution Exploring Operation: 93+86=179, Resulting Numbers: [179] 179,88 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: 88:[2, 86], Operations: ['62/31=2', '98-12=86'] Exploring Operation: 2+86=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[98, 62, 31, 12], Operations: [] Exploring Operation: 62/31=2, Resulting Numbers: [98, 12, 2] Generated Node #0,1: 88:[98, 12, 2] Operation: 62/31=2 Moving to Node #0,1 Current State: 88:[98, 12, 2], Operations: ['62/31=2'] Exploring Operation: 98-12=86, Resulting Numbers: [2, 86] Generated Node #0,1,0: 88:[2, 86] Operation: 98-12=86 Moving to Node #0,1,0 Current State: 88:[2, 86], Operations: ['62/31=2', '98-12=86'] Exploring Operation: 2+86=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
0.986979
hs_2
sum_heuristic
[ 31, 2, 15, 3 ]
32
[ "31+3=34", "34/2=17", "15+17=32" ]
Current State: 32:[31, 2, 15, 3], Operations: [] Exploring Operation: 31+3=34, Resulting Numbers: [2, 15, 34] Generated Node #2: [2, 15, 34] from Operation: 31+3=34 Current State: 32:[2, 15, 34], Operations: ['31+3=34'] Exploring Operation: 34/2=17, Resulting Numbers: [15, 17] Generated Node #3: [15, 17] from Operation: 34/2=17 Current State: 32:[15, 17], Operations: ['31+3=34', '34/2=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[31, 2, 15, 3], Operations: [] Exploring Operation: 31-15=16, Resulting Numbers: [2, 3, 16] Generated Node #0,0: 32:[2, 3, 16] Operation: 31-15=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[2, 3, 16], Operations: ['31-15=16'] Exploring Operation: 2+3=5, Resulting Numbers: [16, 5] Generated Node #0,0,0: 32:[16, 5] Operation: 2+3=5 Moving to Node #0,0,0 Current State: 32:[16, 5], Operations: ['31-15=16', '2+3=5'] Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 17, 40, 3, 41 ]
50
[ "17*3=51", "41-40=1", "51-1=50" ]
Current State: 50:[17, 40, 3, 41], Operations: [] Exploring Operation: 17*3=51, Resulting Numbers: [40, 41, 51] Generated Node #2: [40, 41, 51] from Operation: 17*3=51 Current State: 50:[40, 41, 51], Operations: ['17*3=51'] Exploring Operation: 41-40=1, Resulting Numbers: [51, 1] Generated Node #3: [51, 1] from Operation: 41-40=1 Current State: 50:[51, 1], Operations: ['17*3=51', '41-40=1'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[17, 40, 3, 41], Operations: [] Exploring Operation: 41-40=1, Resulting Numbers: [17, 3, 1] Generated Node #0,0: 50:[17, 3, 1] Operation: 41-40=1 Exploring Operation: 40-17=23, Resulting Numbers: [3, 41, 23] Generated Node #0,1: 50:[3, 41, 23] Operation: 40-17=23 Moving to Node #0,0 Current State: 50:[17, 3, 1], Operations: ['41-40=1'] Exploring Operation: 17*3=51, Resulting Numbers: [1, 51] Generated Node #0,0,0: 50:[1, 51] Operation: 17*3=51 Exploring Operation: 17-3=14, Resulting Numbers: [1, 14] Generated Node #0,0,1: 50:[1, 14] Operation: 17-3=14 Moving to Node #0,1 Current State: 50:[3, 41, 23], Operations: ['40-17=23'] Exploring Operation: 41-23=18, Resulting Numbers: [3, 18] Generated Node #0,1,0: 50:[3, 18] Operation: 41-23=18 Exploring Operation: 3+41=44, Resulting Numbers: [23, 44] Generated Node #0,1,1: 50:[23, 44] Operation: 3+41=44 Moving to Node #0,0,0 Current State: 50:[1, 51], Operations: ['41-40=1', '17*3=51'] Exploring Operation: 1*51=51, Resulting Numbers: [51] 51,50 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[17, 40, 3, 41], Operations: [] Exploring Operation: 41-40=1, Resulting Numbers: [17, 3, 1] Generated Node #0,0: 50:[17, 3, 1] Operation: 41-40=1 Moving to Node #0,0 Current State: 50:[17, 3, 1], Operations: ['41-40=1'] Exploring Operation: 17*3=51, Resulting Numbers: [1, 51] Generated Node #0,0,0: 50:[1, 51] Operation: 17*3=51 Moving to Node #0,0,0 Current State: 50:[1, 51], Operations: ['41-40=1', '17*3=51'] Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
0.989583
hs_2
sum_heuristic
[ 31, 38, 24, 19 ]
76
[ "31-19=12", "38*24=912", "912/12=76" ]
Current State: 76:[31, 38, 24, 19], Operations: [] Exploring Operation: 31-19=12, Resulting Numbers: [38, 24, 12] Generated Node #2: [38, 24, 12] from Operation: 31-19=12 Current State: 76:[38, 24, 12], Operations: ['31-19=12'] Exploring Operation: 38*24=912, Resulting Numbers: [12, 912] Generated Node #3: [12, 912] from Operation: 38*24=912 Current State: 76:[12, 912], Operations: ['31-19=12', '38*24=912'] Exploring Operation: 912/12=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[31, 38, 24, 19], Operations: [] Exploring Operation: 38-31=7, Resulting Numbers: [24, 19, 7] Generated Node #0,0: 76:[24, 19, 7] Operation: 38-31=7 Exploring Operation: 31-24=7, Resulting Numbers: [38, 19, 7] Generated Node #0,1: 76:[38, 19, 7] Operation: 31-24=7 Exploring Operation: 24-19=5, Resulting Numbers: [31, 38, 5] Generated Node #0,2: 76:[31, 38, 5] Operation: 24-19=5 Exploring Operation: 31+38=69, Resulting Numbers: [24, 19, 69] Generated Node #0,3: 76:[24, 19, 69] Operation: 31+38=69 Exploring Operation: 31-19=12, Resulting Numbers: [38, 24, 12] Generated Node #0,4: 76:[38, 24, 12] Operation: 31-19=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[38, 19, 7], Operations: ['31-24=7'] Exploring Operation: 38+7=45, Resulting Numbers: [19, 45] Generated Node #0,1,0: 76:[19, 45] Operation: 38+7=45 Exploring Operation: 19+7=26, Resulting Numbers: [38, 26] Generated Node #0,1,1: 76:[38, 26] Operation: 19+7=26 Exploring Operation: 38-7=31, Resulting Numbers: [19, 31] Generated Node #0,1,2: 76:[19, 31] Operation: 38-7=31 Exploring Operation: 38-19=19, Resulting Numbers: [7, 19] Generated Node #0,1,3: 76:[7, 19] Operation: 38-19=19 Exploring Operation: 38/19=2, Resulting Numbers: [7, 2] Generated Node #0,1,4: 76:[7, 2] Operation: 38/19=2 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 76:[7, 19], Operations: ['31-24=7', '38-19=19'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 7+19=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 7*19=133, Resulting Numbers: [133] 133,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 76:[7, 2], Operations: ['31-24=7', '38/19=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,76 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,76 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 76:[19, 45], Operations: ['31-24=7', '38+7=45'] Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,76 unequal: No Solution Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,76 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 76:[38, 26], Operations: ['31-24=7', '19+7=26'] Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 38*26=988, Resulting Numbers: [988] 988,76 unequal: No Solution Exploring Operation: 38+26=64, Resulting Numbers: [64] 64,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 76:[19, 31], Operations: ['31-24=7', '38-7=31'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 19*31=589, Resulting Numbers: [589] 589,76 unequal: No Solution Exploring Operation: 19+31=50, Resulting Numbers: [50] 50,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[24, 19, 7], Operations: ['38-31=7'] Exploring Operation: 24+7=31, Resulting Numbers: [19, 31] Generated Node #0,0,0: 76:[19, 31] Operation: 24+7=31 Exploring Operation: 24-19=5, Resulting Numbers: [7, 5] Generated Node #0,0,1: 76:[7, 5] Operation: 24-19=5 Exploring Operation: 19+7=26, Resulting Numbers: [24, 26] Generated Node #0,0,2: 76:[24, 26] Operation: 19+7=26 Exploring Operation: 24+19=43, Resulting Numbers: [7, 43] Generated Node #0,0,3: 76:[7, 43] Operation: 24+19=43 Exploring Operation: 24-7=17, Resulting Numbers: [19, 17] Generated Node #0,0,4: 76:[19, 17] Operation: 24-7=17 Moving to Node #0,0,4 Current State: 76:[19, 17], Operations: ['38-31=7', '24-7=17'] Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,76 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[7, 5], Operations: ['38-31=7', '24-19=5'] Exploring Operation: 7+5=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 7*5=35, Resulting Numbers: [35] 35,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[19, 31], Operations: ['38-31=7', '24+7=31'] Exploring Operation: 19*31=589, Resulting Numbers: [589] 589,76 unequal: No Solution Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 19+31=50, Resulting Numbers: [50] 50,76 unequal: No Solution Moving to Node #0,0,3 Current State: 76:[7, 43], Operations: ['38-31=7', '24+19=43'] Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,76 unequal: No Solution Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,76 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[24, 26], Operations: ['38-31=7', '19+7=26'] Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,76 unequal: No Solution Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 24*26=624, Resulting Numbers: [624] 624,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 76:[31, 38, 5], Operations: ['24-19=5'] Exploring Operation: 31-5=26, Resulting Numbers: [38, 26] Generated Node #0,2,0: 76:[38, 26] Operation: 31-5=26 Exploring Operation: 38-31=7, Resulting Numbers: [5, 7] Generated Node #0,2,1: 76:[5, 7] Operation: 38-31=7 Exploring Operation: 31+5=36, Resulting Numbers: [38, 36] Generated Node #0,2,2: 76:[38, 36] Operation: 31+5=36 Exploring Operation: 31+38=69, Resulting Numbers: [5, 69] Generated Node #0,2,3: 76:[5, 69] Operation: 31+38=69 Exploring Operation: 38+5=43, Resulting Numbers: [31, 43] Generated Node #0,2,4: 76:[31, 43] Operation: 38+5=43 Moving to Node #0,2,2 Current State: 76:[38, 36], Operations: ['24-19=5', '31+5=36'] Exploring Operation: 38-36=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 38+36=74, Resulting Numbers: [74] 74,76 unequal: No Solution Exploring Operation: 38*36=1368, Resulting Numbers: [1368] 1368,76 unequal: No Solution Moving to Node #0,2,1 Current State: 76:[5, 7], Operations: ['24-19=5', '38-31=7'] Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,76 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,76 unequal: No Solution Moving to Node #0,2,0 Current State: 76:[38, 26], Operations: ['24-19=5', '31-5=26'] Exploring Operation: 38*26=988, Resulting Numbers: [988] 988,76 unequal: No Solution Exploring Operation: 38+26=64, Resulting Numbers: [64] 64,76 unequal: No Solution Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,76 unequal: No Solution Moving to Node #0,2,3 Current State: 76:[5, 69], Operations: ['24-19=5', '31+38=69'] Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,76 unequal: No Solution Exploring Operation: 5*69=345, Resulting Numbers: [345] 345,76 unequal: No Solution Exploring Operation: 5+69=74, Resulting Numbers: [74] 74,76 unequal: No Solution Moving to Node #0,2,4 Current State: 76:[31, 43], Operations: ['24-19=5', '38+5=43'] Exploring Operation: 31*43=1333, Resulting Numbers: [1333] 1333,76 unequal: No Solution Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 31+43=74, Resulting Numbers: [74] 74,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 76:[24, 19, 69], Operations: ['31+38=69'] Exploring Operation: 24-19=5, Resulting Numbers: [69, 5] Generated Node #0,3,0: 76:[69, 5] Operation: 24-19=5 Exploring Operation: 19+69=88, Resulting Numbers: [24, 88] Generated Node #0,3,1: 76:[24, 88] Operation: 19+69=88 Exploring Operation: 24+19=43, Resulting Numbers: [69, 43] Generated Node #0,3,2: 76:[69, 43] Operation: 24+19=43 Exploring Operation: 69-24=45, Resulting Numbers: [19, 45] Generated Node #0,3,3: 76:[19, 45] Operation: 69-24=45 Exploring Operation: 24+69=93, Resulting Numbers: [19, 93] Generated Node #0,3,4: 76:[19, 93] Operation: 24+69=93 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 76:[19, 45], Operations: ['31+38=69', '69-24=45'] Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,76 unequal: No Solution Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,76 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 76:[69, 5], Operations: ['31+38=69', '24-19=5'] Exploring Operation: 69+5=74, Resulting Numbers: [74] 74,76 unequal: No Solution Exploring Operation: 69-5=64, Resulting Numbers: [64] 64,76 unequal: No Solution Exploring Operation: 69*5=345, Resulting Numbers: [345] 345,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 76:[69, 43], Operations: ['31+38=69', '24+19=43'] Exploring Operation: 69-43=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 69*43=2967, Resulting Numbers: [2967] 2967,76 unequal: No Solution Exploring Operation: 69+43=112, Resulting Numbers: [112] 112,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 76:[24, 88], Operations: ['31+38=69', '19+69=88'] Exploring Operation: 24+88=112, Resulting Numbers: [112] 112,76 unequal: No Solution Exploring Operation: 24*88=2112, Resulting Numbers: [2112] 2112,76 unequal: No Solution Exploring Operation: 88-24=64, Resulting Numbers: [64] 64,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 76:[19, 93], Operations: ['31+38=69', '24+69=93'] Exploring Operation: 19*93=1767, Resulting Numbers: [1767] 1767,76 unequal: No Solution Exploring Operation: 19+93=112, Resulting Numbers: [112] 112,76 unequal: No Solution Exploring Operation: 93-19=74, Resulting Numbers: [74] 74,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 76:[38, 24, 12], Operations: ['31-19=12'] Exploring Operation: 24/12=2, Resulting Numbers: [38, 2] Generated Node #0,4,0: 76:[38, 2] Operation: 24/12=2 Exploring Operation: 24+12=36, Resulting Numbers: [38, 36] Generated Node #0,4,1: 76:[38, 36] Operation: 24+12=36 Exploring Operation: 38-12=26, Resulting Numbers: [24, 26] Generated Node #0,4,2: 76:[24, 26] Operation: 38-12=26 Exploring Operation: 38-24=14, Resulting Numbers: [12, 14] Generated Node #0,4,3: 76:[12, 14] Operation: 38-24=14 Exploring Operation: 24-12=12, Resulting Numbers: [38, 12] Generated Node #0,4,4: 76:[38, 12] Operation: 24-12=12 Moving to Node #0,4,0 Current State: 76:[38, 2], Operations: ['31-19=12', '24/12=2'] Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[31, 38, 24, 19], Operations: [] Exploring Operation: 31-19=12, Resulting Numbers: [38, 24, 12] Generated Node #0,4: 76:[38, 24, 12] Operation: 31-19=12 Moving to Node #0,4 Current State: 76:[38, 24, 12], Operations: ['31-19=12'] Exploring Operation: 24/12=2, Resulting Numbers: [38, 2] Generated Node #0,4,0: 76:[38, 2] Operation: 24/12=2 Moving to Node #0,4,0 Current State: 76:[38, 2], Operations: ['31-19=12', '24/12=2'] Exploring Operation: 38*2=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.917535
hs_5
sum_heuristic
[ 60, 58, 75, 33 ]
54
[ "60-58=2", "75+33=108", "108/2=54" ]
Current State: 54:[60, 58, 75, 33], Operations: [] Exploring Operation: 60-58=2, Resulting Numbers: [75, 33, 2] Generated Node #2: [75, 33, 2] from Operation: 60-58=2 Current State: 54:[75, 33, 2], Operations: ['60-58=2'] Exploring Operation: 75+33=108, Resulting Numbers: [2, 108] Generated Node #3: [2, 108] from Operation: 75+33=108 Current State: 54:[2, 108], Operations: ['60-58=2', '75+33=108'] Exploring Operation: 108/2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[60, 58, 75, 33], Operations: [] Exploring Operation: 75-60=15, Resulting Numbers: [58, 33, 15] Generated Node #0,0: 54:[58, 33, 15] Operation: 75-60=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[58, 33, 15], Operations: ['75-60=15'] Exploring Operation: 33-15=18, Resulting Numbers: [58, 18] Generated Node #0,0,0: 54:[58, 18] Operation: 33-15=18 Moving to Node #0,0,0 Current State: 54:[58, 18], Operations: ['75-60=15', '33-15=18'] Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 57, 13, 48, 66 ]
26
[ "57-13=44", "66-48=18", "44-18=26" ]
Current State: 26:[57, 13, 48, 66], Operations: [] Exploring Operation: 57-13=44, Resulting Numbers: [48, 66, 44] Generated Node #2: [48, 66, 44] from Operation: 57-13=44 Current State: 26:[48, 66, 44], Operations: ['57-13=44'] Exploring Operation: 66-48=18, Resulting Numbers: [44, 18] Generated Node #3: [44, 18] from Operation: 66-48=18 Current State: 26:[44, 18], Operations: ['57-13=44', '66-48=18'] Exploring Operation: 44-18=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[57, 13, 48, 66], Operations: [] Exploring Operation: 57-48=9, Resulting Numbers: [13, 66, 9] Generated Node #0,0: 26:[13, 66, 9] Operation: 57-48=9 Exploring Operation: 66-57=9, Resulting Numbers: [13, 48, 9] Generated Node #0,1: 26:[13, 48, 9] Operation: 66-57=9 Exploring Operation: 57-13=44, Resulting Numbers: [48, 66, 44] Generated Node #0,2: 26:[48, 66, 44] Operation: 57-13=44 Exploring Operation: 66-48=18, Resulting Numbers: [57, 13, 18] Generated Node #0,3: 26:[57, 13, 18] Operation: 66-48=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[13, 48, 9], Operations: ['66-57=9'] Exploring Operation: 48-9=39, Resulting Numbers: [13, 39] Generated Node #0,1,0: 26:[13, 39] Operation: 48-9=39 Exploring Operation: 48-13=35, Resulting Numbers: [9, 35] Generated Node #0,1,1: 26:[9, 35] Operation: 48-13=35 Exploring Operation: 13-9=4, Resulting Numbers: [48, 4] Generated Node #0,1,2: 26:[48, 4] Operation: 13-9=4 Exploring Operation: 13+9=22, Resulting Numbers: [48, 22] Generated Node #0,1,3: 26:[48, 22] Operation: 13+9=22 Moving to Node #0,1,0 Current State: 26:[13, 39], Operations: ['66-57=9', '48-9=39'] Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,26 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[57, 13, 48, 66], Operations: [] Exploring Operation: 66-57=9, Resulting Numbers: [13, 48, 9] Generated Node #0,1: 26:[13, 48, 9] Operation: 66-57=9 Moving to Node #0,1 Current State: 26:[13, 48, 9], Operations: ['66-57=9'] Exploring Operation: 48-9=39, Resulting Numbers: [13, 39] Generated Node #0,1,0: 26:[13, 39] Operation: 48-9=39 Moving to Node #0,1,0 Current State: 26:[13, 39], Operations: ['66-57=9', '48-9=39'] Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 76, 48, 12, 70 ]
30
[ "76-48=28", "12*70=840", "840/28=30" ]
Current State: 30:[76, 48, 12, 70], Operations: [] Exploring Operation: 76-48=28, Resulting Numbers: [12, 70, 28] Generated Node #2: [12, 70, 28] from Operation: 76-48=28 Current State: 30:[12, 70, 28], Operations: ['76-48=28'] Exploring Operation: 12*70=840, Resulting Numbers: [28, 840] Generated Node #3: [28, 840] from Operation: 12*70=840 Current State: 30:[28, 840], Operations: ['76-48=28', '12*70=840'] Exploring Operation: 840/28=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[76, 48, 12, 70], Operations: [] Exploring Operation: 76-70=6, Resulting Numbers: [48, 12, 6] Generated Node #0,0: 30:[48, 12, 6] Operation: 76-70=6 Exploring Operation: 48/12=4, Resulting Numbers: [76, 70, 4] Generated Node #0,1: 30:[76, 70, 4] Operation: 48/12=4 Exploring Operation: 76-48=28, Resulting Numbers: [12, 70, 28] Generated Node #0,2: 30:[12, 70, 28] Operation: 76-48=28 Exploring Operation: 70-48=22, Resulting Numbers: [76, 12, 22] Generated Node #0,3: 30:[76, 12, 22] Operation: 70-48=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[48, 12, 6], Operations: ['76-70=6'] Exploring Operation: 48/12=4, Resulting Numbers: [6, 4] Generated Node #0,0,0: 30:[6, 4] Operation: 48/12=4 Exploring Operation: 48/6=8, Resulting Numbers: [12, 8] Generated Node #0,0,1: 30:[12, 8] Operation: 48/6=8 Exploring Operation: 48-6=42, Resulting Numbers: [12, 42] Generated Node #0,0,2: 30:[12, 42] Operation: 48-6=42 Exploring Operation: 48-12=36, Resulting Numbers: [6, 36] Generated Node #0,0,3: 30:[6, 36] Operation: 48-12=36 Moving to Node #0,0,0 Current State: 30:[6, 4], Operations: ['76-70=6', '48/12=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,30 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[12, 8], Operations: ['76-70=6', '48/6=8'] Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,30 unequal: No Solution Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,30 unequal: No Solution Moving to Node #0,0,3 Current State: 30:[6, 36], Operations: ['76-70=6', '48-12=36'] Exploring Operation: 6*36=216, Resulting Numbers: [216] 216,30 unequal: No Solution Exploring Operation: 6+36=42, Resulting Numbers: [42] 42,30 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[76, 48, 12, 70], Operations: [] Exploring Operation: 76-70=6, Resulting Numbers: [48, 12, 6] Generated Node #0,0: 30:[48, 12, 6] Operation: 76-70=6 Moving to Node #0,0 Current State: 30:[48, 12, 6], Operations: ['76-70=6'] Exploring Operation: 48-12=36, Resulting Numbers: [6, 36] Generated Node #0,0,3: 30:[6, 36] Operation: 48-12=36 Moving to Node #0,0,3 Current State: 30:[6, 36], Operations: ['76-70=6', '48-12=36'] Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 23, 51, 23, 92 ]
47
[ "23*51=1173", "1173-92=1081", "1081/23=47" ]
Current State: 47:[23, 51, 23, 92], Operations: [] Exploring Operation: 23*51=1173, Resulting Numbers: [92, 1173] Generated Node #2: [92, 1173] from Operation: 23*51=1173 Current State: 47:[92, 1173], Operations: ['23*51=1173'] Exploring Operation: 1173-92=1081, Resulting Numbers: [1081] 1081,47 equal: Goal Reached Exploring Operation: 1081/23=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[23, 51, 23, 92], Operations: [] Exploring Operation: 92/23=4, Resulting Numbers: [51, 23, 4] Generated Node #0,0: 47:[51, 23, 4] Operation: 92/23=4 Exploring Operation: 92-51=41, Resulting Numbers: [23, 23, 41] Generated Node #0,1: 47:[23, 23, 41] Operation: 92-51=41 Exploring Operation: 23+23=46, Resulting Numbers: [51, 92, 46] Generated Node #0,2: 47:[51, 92, 46] Operation: 23+23=46 Exploring Operation: 92-23=69, Resulting Numbers: [23, 51, 69] Generated Node #0,3: 47:[23, 51, 69] Operation: 92-23=69 Exploring Operation: 92-23=69, Resulting Numbers: [51, 23, 69] Generated Node #0,4: 47:[51, 23, 69] Operation: 92-23=69 Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[51, 92, 46], Operations: ['23+23=46'] Exploring Operation: 51+46=97, Resulting Numbers: [92, 97] Generated Node #0,2,0: 47:[92, 97] Operation: 51+46=97 Exploring Operation: 92/46=2, Resulting Numbers: [51, 2] Generated Node #0,2,1: 47:[51, 2] Operation: 92/46=2 Exploring Operation: 92-46=46, Resulting Numbers: [51, 46] Generated Node #0,2,2: 47:[51, 46] Operation: 92-46=46 Exploring Operation: 92-51=41, Resulting Numbers: [46, 41] Generated Node #0,2,3: 47:[46, 41] Operation: 92-51=41 Exploring Operation: 51-46=5, Resulting Numbers: [92, 5] Generated Node #0,2,4: 47:[92, 5] Operation: 51-46=5 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 47:[51, 46], Operations: ['23+23=46', '92-46=46'] Exploring Operation: 51+46=97, Resulting Numbers: [97] 97,47 unequal: No Solution Exploring Operation: 51*46=2346, Resulting Numbers: [2346] 2346,47 unequal: No Solution Exploring Operation: 51-46=5, Resulting Numbers: [5] 5,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 47:[46, 41], Operations: ['23+23=46', '92-51=41'] Exploring Operation: 46*41=1886, Resulting Numbers: [1886] 1886,47 unequal: No Solution Exploring Operation: 46+41=87, Resulting Numbers: [87] 87,47 unequal: No Solution Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 47:[51, 2], Operations: ['23+23=46', '92/46=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,47 unequal: No Solution Exploring Operation: 51*2=102, Resulting Numbers: [102] 102,47 unequal: No Solution Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 47:[92, 5], Operations: ['23+23=46', '51-46=5'] Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,47 unequal: No Solution Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,47 unequal: No Solution Exploring Operation: 92*5=460, Resulting Numbers: [460] 460,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 47:[92, 97], Operations: ['23+23=46', '51+46=97'] Exploring Operation: 92*97=8924, Resulting Numbers: [8924] 8924,47 unequal: No Solution Exploring Operation: 97-92=5, Resulting Numbers: [5] 5,47 unequal: No Solution Exploring Operation: 92+97=189, Resulting Numbers: [189] 189,47 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: 47:[23, 51, 69], Operations: ['92-23=69'] Exploring Operation: 23+51=74, Resulting Numbers: [69, 74] Generated Node #0,3,0: 47:[69, 74] Operation: 23+51=74 Exploring Operation: 69/23=3, Resulting Numbers: [51, 3] Generated Node #0,3,1: 47:[51, 3] Operation: 69/23=3 Exploring Operation: 69-23=46, Resulting Numbers: [51, 46] Generated Node #0,3,2: 47:[51, 46] Operation: 69-23=46 Exploring Operation: 23+69=92, Resulting Numbers: [51, 92] Generated Node #0,3,3: 47:[51, 92] Operation: 23+69=92 Exploring Operation: 51-23=28, Resulting Numbers: [69, 28] Generated Node #0,3,4: 47:[69, 28] Operation: 51-23=28 Moving to Node #0,3,2 Current State: 47:[51, 46], Operations: ['92-23=69', '69-23=46'] Exploring Operation: 51-46=5, Resulting Numbers: [5] 5,47 unequal: No Solution Exploring Operation: 51+46=97, Resulting Numbers: [97] 97,47 unequal: No Solution Exploring Operation: 51*46=2346, Resulting Numbers: [2346] 2346,47 unequal: No Solution Moving to Node #0,3,4 Current State: 47:[69, 28], Operations: ['92-23=69', '51-23=28'] Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,47 unequal: No Solution Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,47 unequal: No Solution Moving to Node #0,3,1 Current State: 47:[51, 3], Operations: ['92-23=69', '69/23=3'] Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,47 unequal: No Solution Exploring Operation: 51*3=153, Resulting Numbers: [153] 153,47 unequal: No Solution Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,47 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,47 unequal: No Solution Moving to Node #0,3,0 Current State: 47:[69, 74], Operations: ['92-23=69', '23+51=74'] Exploring Operation: 74-69=5, Resulting Numbers: [5] 5,47 unequal: No Solution Exploring Operation: 69*74=5106, Resulting Numbers: [5106] 5106,47 unequal: No Solution Exploring Operation: 69+74=143, Resulting Numbers: [143] 143,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[51, 92], Operations: ['92-23=69', '23+69=92'] Exploring Operation: 92-51=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 51*92=4692, Resulting Numbers: [4692] 4692,47 unequal: No Solution Exploring Operation: 51+92=143, Resulting Numbers: [143] 143,47 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 Current State: 47:[51, 23, 69], Operations: ['92-23=69'] Exploring Operation: 51+23=74, Resulting Numbers: [69, 74] Generated Node #0,4,0: 47:[69, 74] Operation: 51+23=74 Exploring Operation: 69/23=3, Resulting Numbers: [51, 3] Generated Node #0,4,1: 47:[51, 3] Operation: 69/23=3 Exploring Operation: 51-23=28, Resulting Numbers: [69, 28] Generated Node #0,4,2: 47:[69, 28] Operation: 51-23=28 Exploring Operation: 23+69=92, Resulting Numbers: [51, 92] Generated Node #0,4,3: 47:[51, 92] Operation: 23+69=92 Exploring Operation: 69-23=46, Resulting Numbers: [51, 46] Generated Node #0,4,4: 47:[51, 46] Operation: 69-23=46 Moving to Node #0,4,4 Current State: 47:[51, 46], Operations: ['92-23=69', '69-23=46'] Exploring Operation: 51-46=5, Resulting Numbers: [5] 5,47 unequal: No Solution Exploring Operation: 51*46=2346, Resulting Numbers: [2346] 2346,47 unequal: No Solution Exploring Operation: 51+46=97, Resulting Numbers: [97] 97,47 unequal: No Solution Moving to Node #0,4,2 Current State: 47:[69, 28], Operations: ['92-23=69', '51-23=28'] Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,47 unequal: No Solution Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,47 unequal: No Solution Moving to Node #0,4,1 Current State: 47:[51, 3], Operations: ['92-23=69', '69/23=3'] Exploring Operation: 51+3=54, Resulting Numbers: [54] 54,47 unequal: No Solution Exploring Operation: 51*3=153, Resulting Numbers: [153] 153,47 unequal: No Solution Exploring Operation: 51-3=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 51/3=17, Resulting Numbers: [17] 17,47 unequal: No Solution Moving to Node #0,4,0 Current State: 47:[69, 74], Operations: ['92-23=69', '51+23=74'] Exploring Operation: 69+74=143, Resulting Numbers: [143] 143,47 unequal: No Solution Exploring Operation: 69*74=5106, Resulting Numbers: [5106] 5106,47 unequal: No Solution Exploring Operation: 74-69=5, Resulting Numbers: [5] 5,47 unequal: No Solution Moving to Node #0,4,3 Current State: 47:[51, 92], Operations: ['92-23=69', '23+69=92'] Exploring Operation: 92-51=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 51+92=143, Resulting Numbers: [143] 143,47 unequal: No Solution Exploring Operation: 51*92=4692, Resulting Numbers: [4692] 4692,47 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 #0,1 Current State: 47:[23, 23, 41], Operations: ['92-51=41'] Exploring Operation: 23+23=46, Resulting Numbers: [41, 46] Generated Node #0,1,0: 47:[41, 46] Operation: 23+23=46 Exploring Operation: 23+41=64, Resulting Numbers: [23, 64] Generated Node #0,1,1: 47:[23, 64] Operation: 23+41=64 Exploring Operation: 23-23=0, Resulting Numbers: [41, 0] Generated Node #0,1,2: 47:[41, 0] Operation: 23-23=0 Exploring Operation: 23+41=64, Resulting Numbers: [23, 64] Generated Node #0,1,3: 47:[23, 64] Operation: 23+41=64 Exploring Operation: 23/23=1, Resulting Numbers: [41, 1] Generated Node #0,1,4: 47:[41, 1] Operation: 23/23=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[41, 46], Operations: ['92-51=41', '23+23=46'] Exploring Operation: 41*46=1886, Resulting Numbers: [1886] 1886,47 unequal: No Solution Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,47 unequal: No Solution Exploring Operation: 41+46=87, Resulting Numbers: [87] 87,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[23, 64], Operations: ['92-51=41', '23+41=64'] Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 23+64=87, Resulting Numbers: [87] 87,47 unequal: No Solution Exploring Operation: 23*64=1472, Resulting Numbers: [1472] 1472,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 47:[23, 64], Operations: ['92-51=41', '23+41=64'] Exploring Operation: 23*64=1472, Resulting Numbers: [1472] 1472,47 unequal: No Solution Exploring Operation: 64-23=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 23+64=87, Resulting Numbers: [87] 87,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 47:[41, 1], Operations: ['92-51=41', '23/23=1'] Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 41*1=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,47 unequal: No Solution Exploring Operation: 41+1=42, Resulting Numbers: [42] 42,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 47:[41, 0], Operations: ['92-51=41', '23-23=0'] Exploring Operation: 41-0=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 41+0=41, Resulting Numbers: [41] 41,47 unequal: No Solution Exploring Operation: 41*0=0, Resulting Numbers: [0] 0,47 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: 47:[51, 23, 4], Operations: ['92/23=4'] Exploring Operation: 51+4=55, Resulting Numbers: [23, 55] Generated Node #0,0,0: 47:[23, 55] Operation: 51+4=55 Exploring Operation: 23*4=92, Resulting Numbers: [51, 92] Generated Node #0,0,1: 47:[51, 92] Operation: 23*4=92 Exploring Operation: 23-4=19, Resulting Numbers: [51, 19] Generated Node #0,0,2: 47:[51, 19] Operation: 23-4=19 Exploring Operation: 23+4=27, Resulting Numbers: [51, 27] Generated Node #0,0,3: 47:[51, 27] Operation: 23+4=27 Exploring Operation: 51-4=47, Resulting Numbers: [23, 47] Generated Node #0,0,4: 47:[23, 47] Operation: 51-4=47 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 47:[51, 27], Operations: ['92/23=4', '23+4=27'] Exploring Operation: 51*27=1377, Resulting Numbers: [1377] 1377,47 unequal: No Solution Exploring Operation: 51-27=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 51+27=78, Resulting Numbers: [78] 78,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 47:[23, 47], Operations: ['92/23=4', '51-4=47'] Exploring Operation: 23*47=1081, Resulting Numbers: [1081] 1081,47 unequal: No Solution Exploring Operation: 23+47=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[23, 55], Operations: ['92/23=4', '51+4=55'] Exploring Operation: 23+55=78, Resulting Numbers: [78] 78,47 unequal: No Solution Exploring Operation: 23*55=1265, Resulting Numbers: [1265] 1265,47 unequal: No Solution Exploring Operation: 55-23=32, Resulting Numbers: [32] 32,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[51, 19], Operations: ['92/23=4', '23-4=19'] Exploring Operation: 51*19=969, Resulting Numbers: [969] 969,47 unequal: No Solution Exploring Operation: 51+19=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 51-19=32, Resulting Numbers: [32] 32,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[51, 92], Operations: ['92/23=4', '23*4=92'] Exploring Operation: 51*92=4692, Resulting Numbers: [4692] 4692,47 unequal: No Solution Exploring Operation: 51+92=143, Resulting Numbers: [143] 143,47 unequal: No Solution Exploring Operation: 92-51=41, Resulting Numbers: [41] 41,47 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
[ 27, 19, 23, 10 ]
49
[ "27*19=513", "513-23=490", "490/10=49" ]
Current State: 49:[27, 19, 23, 10], Operations: [] Exploring Operation: 27*19=513, Resulting Numbers: [23, 10, 513] Generated Node #2: [23, 10, 513] from Operation: 27*19=513 Current State: 49:[23, 10, 513], Operations: ['27*19=513'] Exploring Operation: 513-23=490, Resulting Numbers: [10, 490] Generated Node #3: [10, 490] from Operation: 513-23=490 Current State: 49:[10, 490], Operations: ['27*19=513', '513-23=490'] Exploring Operation: 490/10=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[27, 19, 23, 10], Operations: [] Exploring Operation: 27+23=50, Resulting Numbers: [19, 10, 50] Generated Node #0,0: 49:[19, 10, 50] Operation: 27+23=50 Exploring Operation: 23-19=4, Resulting Numbers: [27, 10, 4] Generated Node #0,1: 49:[27, 10, 4] Operation: 23-19=4 Exploring Operation: 27+19=46, Resulting Numbers: [23, 10, 46] Generated Node #0,2: 49:[23, 10, 46] Operation: 27+19=46 Exploring Operation: 27-19=8, Resulting Numbers: [23, 10, 8] Generated Node #0,3: 49:[23, 10, 8] Operation: 27-19=8 Exploring Operation: 27-23=4, Resulting Numbers: [19, 10, 4] Generated Node #0,4: 49:[19, 10, 4] Operation: 27-23=4 Moving to Node #0,0 Current State: 49:[19, 10, 50], Operations: ['27+23=50'] Exploring Operation: 19+10=29, Resulting Numbers: [50, 29] Generated Node #0,0,0: 49:[50, 29] Operation: 19+10=29 Exploring Operation: 50-19=31, Resulting Numbers: [10, 31] Generated Node #0,0,1: 49:[10, 31] Operation: 50-19=31 Exploring Operation: 50-10=40, Resulting Numbers: [19, 40] Generated Node #0,0,2: 49:[19, 40] Operation: 50-10=40 Exploring Operation: 19-10=9, Resulting Numbers: [50, 9] Generated Node #0,0,3: 49:[50, 9] Operation: 19-10=9 Exploring Operation: 50/10=5, Resulting Numbers: [19, 5] Generated Node #0,0,4: 49:[19, 5] Operation: 50/10=5 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 49:[50, 9], Operations: ['27+23=50', '19-10=9'] Exploring Operation: 50*9=450, Resulting Numbers: [450] 450,49 unequal: No Solution Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 50+9=59, Resulting Numbers: [59] 59,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 49:[19, 5], Operations: ['27+23=50', '50/10=5'] Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,49 unequal: No Solution Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[50, 29], Operations: ['27+23=50', '19+10=29'] Exploring Operation: 50-29=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 50*29=1450, Resulting Numbers: [1450] 1450,49 unequal: No Solution Exploring Operation: 50+29=79, Resulting Numbers: [79] 79,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[10, 31], Operations: ['27+23=50', '50-19=31'] Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[19, 40], Operations: ['27+23=50', '50-10=40'] Exploring Operation: 19+40=59, Resulting Numbers: [59] 59,49 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 19*40=760, Resulting Numbers: [760] 760,49 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: 49:[19, 10, 4], Operations: ['27-23=4'] Exploring Operation: 10-4=6, Resulting Numbers: [19, 6] Generated Node #0,4,0: 49:[19, 6] Operation: 10-4=6 Exploring Operation: 19-4=15, Resulting Numbers: [10, 15] Generated Node #0,4,1: 49:[10, 15] Operation: 19-4=15 Exploring Operation: 10+4=14, Resulting Numbers: [19, 14] Generated Node #0,4,2: 49:[19, 14] Operation: 10+4=14 Exploring Operation: 19-10=9, Resulting Numbers: [4, 9] Generated Node #0,4,3: 49:[4, 9] Operation: 19-10=9 Exploring Operation: 19+4=23, Resulting Numbers: [10, 23] Generated Node #0,4,4: 49:[10, 23] Operation: 19+4=23 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 49:[4, 9], Operations: ['27-23=4', '19-10=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,49 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 49:[10, 15], Operations: ['27-23=4', '19-4=15'] Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 10*15=150, Resulting Numbers: [150] 150,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 49:[19, 6], Operations: ['27-23=4', '10-4=6'] Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,49 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 49:[19, 14], Operations: ['27-23=4', '10+4=14'] Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 19*14=266, Resulting Numbers: [266] 266,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 49:[10, 23], Operations: ['27-23=4', '19+4=23'] Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 10*23=230, Resulting Numbers: [230] 230,49 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: 49:[23, 10, 8], Operations: ['27-19=8'] Exploring Operation: 23+10=33, Resulting Numbers: [8, 33] Generated Node #0,3,0: 49:[8, 33] Operation: 23+10=33 Exploring Operation: 23-10=13, Resulting Numbers: [8, 13] Generated Node #0,3,1: 49:[8, 13] Operation: 23-10=13 Exploring Operation: 23-8=15, Resulting Numbers: [10, 15] Generated Node #0,3,2: 49:[10, 15] Operation: 23-8=15 Exploring Operation: 10-8=2, Resulting Numbers: [23, 2] Generated Node #0,3,3: 49:[23, 2] Operation: 10-8=2 Exploring Operation: 23+8=31, Resulting Numbers: [10, 31] Generated Node #0,3,4: 49:[10, 31] Operation: 23+8=31 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 49:[8, 13], Operations: ['27-19=8', '23-10=13'] Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 8*13=104, Resulting Numbers: [104] 104,49 unequal: No Solution Exploring Operation: 8+13=21, Resulting Numbers: [21] 21,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 49:[10, 15], Operations: ['27-19=8', '23-8=15'] Exploring Operation: 10*15=150, Resulting Numbers: [150] 150,49 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 49:[8, 33], Operations: ['27-19=8', '23+10=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,49 unequal: No Solution Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 49:[23, 2], Operations: ['27-19=8', '10-8=2'] Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,49 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 49:[10, 31], Operations: ['27-19=8', '23+8=31'] Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,49 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,49 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: 49:[23, 10, 46], Operations: ['27+19=46'] Exploring Operation: 46/23=2, Resulting Numbers: [10, 2] Generated Node #0,2,0: 49:[10, 2] Operation: 46/23=2 Exploring Operation: 46-23=23, Resulting Numbers: [10, 23] Generated Node #0,2,1: 49:[10, 23] Operation: 46-23=23 Exploring Operation: 23+46=69, Resulting Numbers: [10, 69] Generated Node #0,2,2: 49:[10, 69] Operation: 23+46=69 Exploring Operation: 23+10=33, Resulting Numbers: [46, 33] Generated Node #0,2,3: 49:[46, 33] Operation: 23+10=33 Exploring Operation: 23-10=13, Resulting Numbers: [46, 13] Generated Node #0,2,4: 49:[46, 13] Operation: 23-10=13 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[10, 2], Operations: ['27+19=46', '46/23=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,49 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 49:[46, 13], Operations: ['27+19=46', '23-10=13'] Exploring Operation: 46*13=598, Resulting Numbers: [598] 598,49 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 46+13=59, Resulting Numbers: [59] 59,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 49:[10, 23], Operations: ['27+19=46', '46-23=23'] Exploring Operation: 10*23=230, Resulting Numbers: [230] 230,49 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 49:[46, 33], Operations: ['27+19=46', '23+10=33'] Exploring Operation: 46-33=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 46+33=79, Resulting Numbers: [79] 79,49 unequal: No Solution Exploring Operation: 46*33=1518, Resulting Numbers: [1518] 1518,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 49:[10, 69], Operations: ['27+19=46', '23+46=69'] Exploring Operation: 10+69=79, Resulting Numbers: [79] 79,49 unequal: No Solution Exploring Operation: 10*69=690, Resulting Numbers: [690] 690,49 unequal: No Solution Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 49:[27, 10, 4], Operations: ['23-19=4'] Exploring Operation: 27-4=23, Resulting Numbers: [10, 23] Generated Node #0,1,0: 49:[10, 23] Operation: 27-4=23 Exploring Operation: 10-4=6, Resulting Numbers: [27, 6] Generated Node #0,1,1: 49:[27, 6] Operation: 10-4=6 Exploring Operation: 27+10=37, Resulting Numbers: [4, 37] Generated Node #0,1,2: 49:[4, 37] Operation: 27+10=37 Exploring Operation: 27-10=17, Resulting Numbers: [4, 17] Generated Node #0,1,3: 49:[4, 17] Operation: 27-10=17 Exploring Operation: 27+4=31, Resulting Numbers: [10, 31] Generated Node #0,1,4: 49:[10, 31] Operation: 27+4=31 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 49:[4, 17], Operations: ['23-19=4', '27-10=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,49 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,49 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[4, 37], Operations: ['23-19=4', '27+10=37'] Exploring Operation: 4*37=148, Resulting Numbers: [148] 148,49 unequal: No Solution Exploring Operation: 4+37=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[10, 23], Operations: ['23-19=4', '27-4=23'] Exploring Operation: 10*23=230, Resulting Numbers: [230] 230,49 unequal: No Solution Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,49 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[27, 6], Operations: ['23-19=4', '10-4=6'] Exploring Operation: 27*6=162, Resulting Numbers: [162] 162,49 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 49:[10, 31], Operations: ['23-19=4', '27+4=31'] Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,49 unequal: No Solution Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,49 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
[ 82, 17, 55, 3 ]
100
[ "82-17=65", "55*3=165", "165-65=100" ]
Current State: 100:[82, 17, 55, 3], Operations: [] Exploring Operation: 82-17=65, Resulting Numbers: [55, 3, 65] Generated Node #2: [55, 3, 65] from Operation: 82-17=65 Current State: 100:[55, 3, 65], Operations: ['82-17=65'] Exploring Operation: 55*3=165, Resulting Numbers: [65, 165] Generated Node #3: [65, 165] from Operation: 55*3=165 Current State: 100:[65, 165], Operations: ['82-17=65', '55*3=165'] Exploring Operation: 165-65=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[82, 17, 55, 3], Operations: [] Exploring Operation: 82-55=27, Resulting Numbers: [17, 3, 27] Generated Node #0,0: 100:[17, 3, 27] Operation: 82-55=27 Exploring Operation: 82+17=99, Resulting Numbers: [55, 3, 99] Generated Node #0,1: 100:[55, 3, 99] Operation: 82+17=99 Moving to Node #0,0 Current State: 100:[17, 3, 27], Operations: ['82-55=27'] Exploring Operation: 27-17=10, Resulting Numbers: [3, 10] Generated Node #0,0,0: 100:[3, 10] Operation: 27-17=10 Exploring Operation: 17+3=20, Resulting Numbers: [27, 20] Generated Node #0,0,1: 100:[27, 20] Operation: 17+3=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[3, 10], Operations: ['82-55=27', '27-17=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,100 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 100:[27, 20], Operations: ['82-55=27', '17+3=20'] Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,100 unequal: No Solution Exploring Operation: 27+20=47, Resulting Numbers: [47] 47,100 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: 100:[55, 3, 99], Operations: ['82+17=99'] Exploring Operation: 55-3=52, Resulting Numbers: [99, 52] Generated Node #0,1,0: 100:[99, 52] Operation: 55-3=52 Exploring Operation: 99-55=44, Resulting Numbers: [3, 44] Generated Node #0,1,1: 100:[3, 44] Operation: 99-55=44 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[99, 52], Operations: ['82+17=99', '55-3=52'] Exploring Operation: 99+52=151, Resulting Numbers: [151] 151,100 unequal: No Solution Exploring Operation: 99-52=47, Resulting Numbers: [47] 47,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[3, 44], Operations: ['82+17=99', '99-55=44'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,100 unequal: No Solution Exploring Operation: 3+44=47, Resulting Numbers: [47] 47,100 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
[ 91, 28, 40, 17 ]
62
[ "91+28=119", "40+17=57", "119-57=62" ]
Current State: 62:[91, 28, 40, 17], Operations: [] Exploring Operation: 91+28=119, Resulting Numbers: [40, 17, 119] Generated Node #2: [40, 17, 119] from Operation: 91+28=119 Current State: 62:[40, 17, 119], Operations: ['91+28=119'] Exploring Operation: 40+17=57, Resulting Numbers: [119, 57] Generated Node #3: [119, 57] from Operation: 40+17=57 Current State: 62:[119, 57], Operations: ['91+28=119', '40+17=57'] Exploring Operation: 119-57=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[91, 28, 40, 17], Operations: [] Exploring Operation: 91-40=51, Resulting Numbers: [28, 17, 51] Generated Node #0,0: 62:[28, 17, 51] Operation: 91-40=51 Exploring Operation: 91-17=74, Resulting Numbers: [28, 40, 74] Generated Node #0,1: 62:[28, 40, 74] Operation: 91-17=74 Exploring Operation: 91-28=63, Resulting Numbers: [40, 17, 63] Generated Node #0,2: 62:[40, 17, 63] Operation: 91-28=63 Exploring Operation: 40+17=57, Resulting Numbers: [91, 28, 57] Generated Node #0,3: 62:[91, 28, 57] Operation: 40+17=57 Exploring Operation: 40-17=23, Resulting Numbers: [91, 28, 23] Generated Node #0,4: 62:[91, 28, 23] Operation: 40-17=23 Moving to Node #0,1 Current State: 62:[28, 40, 74], Operations: ['91-17=74'] Exploring Operation: 28+40=68, Resulting Numbers: [74, 68] Generated Node #0,1,0: 62:[74, 68] Operation: 28+40=68 Exploring Operation: 74-40=34, Resulting Numbers: [28, 34] Generated Node #0,1,1: 62:[28, 34] Operation: 74-40=34 Exploring Operation: 74-28=46, Resulting Numbers: [40, 46] Generated Node #0,1,2: 62:[40, 46] Operation: 74-28=46 Exploring Operation: 28+74=102, Resulting Numbers: [40, 102] Generated Node #0,1,3: 62:[40, 102] Operation: 28+74=102 Exploring Operation: 40-28=12, Resulting Numbers: [74, 12] Generated Node #0,1,4: 62:[74, 12] Operation: 40-28=12 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[28, 34], Operations: ['91-17=74', '74-40=34'] Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,62 unequal: No Solution Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[91, 28, 40, 17], Operations: [] Exploring Operation: 91-17=74, Resulting Numbers: [28, 40, 74] Generated Node #0,1: 62:[28, 40, 74] Operation: 91-17=74 Moving to Node #0,1 Current State: 62:[28, 40, 74], Operations: ['91-17=74'] Exploring Operation: 74-40=34, Resulting Numbers: [28, 34] Generated Node #0,1,1: 62:[28, 34] Operation: 74-40=34 Moving to Node #0,1,1 Current State: 62:[28, 34], Operations: ['91-17=74', '74-40=34'] Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 3, 23, 15, 71 ]
95
[ "23-15=8", "3*8=24", "71+24=95" ]
Current State: 95:[3, 23, 15, 71], Operations: [] Exploring Operation: 23-15=8, Resulting Numbers: [3, 71, 8] Generated Node #2: [3, 71, 8] from Operation: 23-15=8 Current State: 95:[3, 71, 8], Operations: ['23-15=8'] Exploring Operation: 3*8=24, Resulting Numbers: [71, 24] Generated Node #3: [71, 24] from Operation: 3*8=24 Current State: 95:[71, 24], Operations: ['23-15=8', '3*8=24'] Exploring Operation: 71+24=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[3, 23, 15, 71], Operations: [] Exploring Operation: 23+71=94, Resulting Numbers: [3, 15, 94] Generated Node #0,0: 95:[3, 15, 94] Operation: 23+71=94 Moving to Node #0,0 Current State: 95:[3, 15, 94], Operations: ['23+71=94'] Exploring Operation: 15/3=5, Resulting Numbers: [94, 5] Generated Node #0,0,0: 95:[94, 5] Operation: 15/3=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[94, 5], Operations: ['23+71=94', '15/3=5'] Exploring Operation: 94+5=99, Resulting Numbers: [99] 99,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 49, 76, 68, 78 ]
83
[ "78-76=2", "68/2=34", "49+34=83" ]
Current State: 83:[49, 76, 68, 78], Operations: [] Exploring Operation: 78-76=2, Resulting Numbers: [49, 68, 2] Generated Node #2: [49, 68, 2] from Operation: 78-76=2 Current State: 83:[49, 68, 2], Operations: ['78-76=2'] Exploring Operation: 68/2=34, Resulting Numbers: [49, 34] Generated Node #3: [49, 34] from Operation: 68/2=34 Current State: 83:[49, 34], Operations: ['78-76=2', '68/2=34'] Exploring Operation: 49+34=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[49, 76, 68, 78], Operations: [] Exploring Operation: 49+76=125, Resulting Numbers: [68, 78, 125] Generated Node #0,0: 83:[68, 78, 125] Operation: 49+76=125 Exploring Operation: 49+78=127, Resulting Numbers: [76, 68, 127] Generated Node #0,1: 83:[76, 68, 127] Operation: 49+78=127 Exploring Operation: 68-49=19, Resulting Numbers: [76, 78, 19] Generated Node #0,2: 83:[76, 78, 19] Operation: 68-49=19 Exploring Operation: 49+68=117, Resulting Numbers: [76, 78, 117] Generated Node #0,3: 83:[76, 78, 117] Operation: 49+68=117 Exploring Operation: 76-49=27, Resulting Numbers: [68, 78, 27] Generated Node #0,4: 83:[68, 78, 27] Operation: 76-49=27 Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[76, 78, 117], Operations: ['49+68=117'] Exploring Operation: 76+78=154, Resulting Numbers: [117, 154] Generated Node #0,3,0: 83:[117, 154] Operation: 76+78=154 Exploring Operation: 76+117=193, Resulting Numbers: [78, 193] Generated Node #0,3,1: 83:[78, 193] Operation: 76+117=193 Exploring Operation: 78-76=2, Resulting Numbers: [117, 2] Generated Node #0,3,2: 83:[117, 2] Operation: 78-76=2 Exploring Operation: 117-78=39, Resulting Numbers: [76, 39] Generated Node #0,3,3: 83:[76, 39] Operation: 117-78=39 Exploring Operation: 117-76=41, Resulting Numbers: [78, 41] Generated Node #0,3,4: 83:[78, 41] Operation: 117-76=41 Moving to Node #0,3,4 Current State: 83:[78, 41], Operations: ['49+68=117', '117-76=41'] Exploring Operation: 78+41=119, Resulting Numbers: [119] 119,83 unequal: No Solution Exploring Operation: 78-41=37, Resulting Numbers: [37] 37,83 unequal: No Solution Exploring Operation: 78*41=3198, Resulting Numbers: [3198] 3198,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[76, 39], Operations: ['49+68=117', '117-78=39'] Exploring Operation: 76-39=37, Resulting Numbers: [37] 37,83 unequal: No Solution Exploring Operation: 76*39=2964, Resulting Numbers: [2964] 2964,83 unequal: No Solution Exploring Operation: 76+39=115, Resulting Numbers: [115] 115,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[117, 154], Operations: ['49+68=117', '76+78=154'] Exploring Operation: 154-117=37, Resulting Numbers: [37] 37,83 unequal: No Solution Exploring Operation: 117*154=18018, Resulting Numbers: [18018] 18018,83 unequal: No Solution Exploring Operation: 117+154=271, Resulting Numbers: [271] 271,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[78, 193], Operations: ['49+68=117', '76+117=193'] Exploring Operation: 78+193=271, Resulting Numbers: [271] 271,83 unequal: No Solution Exploring Operation: 78*193=15054, Resulting Numbers: [15054] 15054,83 unequal: No Solution Exploring Operation: 193-78=115, Resulting Numbers: [115] 115,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[117, 2], Operations: ['49+68=117', '78-76=2'] Exploring Operation: 117*2=234, Resulting Numbers: [234] 234,83 unequal: No Solution Exploring Operation: 117-2=115, Resulting Numbers: [115] 115,83 unequal: No Solution Exploring Operation: 117+2=119, Resulting Numbers: [119] 119,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[68, 78, 125], Operations: ['49+76=125'] Exploring Operation: 78-68=10, Resulting Numbers: [125, 10] Generated Node #0,0,0: 83:[125, 10] Operation: 78-68=10 Exploring Operation: 125-68=57, Resulting Numbers: [78, 57] Generated Node #0,0,1: 83:[78, 57] Operation: 125-68=57 Exploring Operation: 125-78=47, Resulting Numbers: [68, 47] Generated Node #0,0,2: 83:[68, 47] Operation: 125-78=47 Exploring Operation: 68+125=193, Resulting Numbers: [78, 193] Generated Node #0,0,3: 83:[78, 193] Operation: 68+125=193 Exploring Operation: 68+78=146, Resulting Numbers: [125, 146] Generated Node #0,0,4: 83:[125, 146] Operation: 68+78=146 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 83:[78, 57], Operations: ['49+76=125', '125-68=57'] Exploring Operation: 78*57=4446, Resulting Numbers: [4446] 4446,83 unequal: No Solution Exploring Operation: 78-57=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 78+57=135, Resulting Numbers: [135] 135,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 83:[68, 47], Operations: ['49+76=125', '125-78=47'] Exploring Operation: 68+47=115, Resulting Numbers: [115] 115,83 unequal: No Solution Exploring Operation: 68-47=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 68*47=3196, Resulting Numbers: [3196] 3196,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 83:[125, 146], Operations: ['49+76=125', '68+78=146'] Exploring Operation: 125*146=18250, Resulting Numbers: [18250] 18250,83 unequal: No Solution Exploring Operation: 125+146=271, Resulting Numbers: [271] 271,83 unequal: No Solution Exploring Operation: 146-125=21, Resulting Numbers: [21] 21,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 83:[125, 10], Operations: ['49+76=125', '78-68=10'] Exploring Operation: 125+10=135, Resulting Numbers: [135] 135,83 unequal: No Solution Exploring Operation: 125*10=1250, Resulting Numbers: [1250] 1250,83 unequal: No Solution Exploring Operation: 125-10=115, Resulting Numbers: [115] 115,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 83:[78, 193], Operations: ['49+76=125', '68+125=193'] Exploring Operation: 78*193=15054, Resulting Numbers: [15054] 15054,83 unequal: No Solution Exploring Operation: 78+193=271, Resulting Numbers: [271] 271,83 unequal: No Solution Exploring Operation: 193-78=115, Resulting Numbers: [115] 115,83 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: 83:[76, 68, 127], Operations: ['49+78=127'] Exploring Operation: 76+68=144, Resulting Numbers: [127, 144] Generated Node #0,1,0: 83:[127, 144] Operation: 76+68=144 Exploring Operation: 76-68=8, Resulting Numbers: [127, 8] Generated Node #0,1,1: 83:[127, 8] Operation: 76-68=8 Exploring Operation: 68+127=195, Resulting Numbers: [76, 195] Generated Node #0,1,2: 83:[76, 195] Operation: 68+127=195 Exploring Operation: 127-68=59, Resulting Numbers: [76, 59] Generated Node #0,1,3: 83:[76, 59] Operation: 127-68=59 Exploring Operation: 127-76=51, Resulting Numbers: [68, 51] Generated Node #0,1,4: 83:[68, 51] Operation: 127-76=51 Moving to Node #0,1,3 Current State: 83:[76, 59], Operations: ['49+78=127', '127-68=59'] Exploring Operation: 76*59=4484, Resulting Numbers: [4484] 4484,83 unequal: No Solution Exploring Operation: 76-59=17, Resulting Numbers: [17] 17,83 unequal: No Solution Exploring Operation: 76+59=135, Resulting Numbers: [135] 135,83 unequal: No Solution Moving to Node #0,1,4 Current State: 83:[68, 51], Operations: ['49+78=127', '127-76=51'] Exploring Operation: 68+51=119, Resulting Numbers: [119] 119,83 unequal: No Solution Exploring Operation: 68*51=3468, Resulting Numbers: [3468] 3468,83 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[127, 144], Operations: ['49+78=127', '76+68=144'] Exploring Operation: 127*144=18288, Resulting Numbers: [18288] 18288,83 unequal: No Solution Exploring Operation: 127+144=271, Resulting Numbers: [271] 271,83 unequal: No Solution Exploring Operation: 144-127=17, Resulting Numbers: [17] 17,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[127, 8], Operations: ['49+78=127', '76-68=8'] Exploring Operation: 127*8=1016, Resulting Numbers: [1016] 1016,83 unequal: No Solution Exploring Operation: 127-8=119, Resulting Numbers: [119] 119,83 unequal: No Solution Exploring Operation: 127+8=135, Resulting Numbers: [135] 135,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[76, 195], Operations: ['49+78=127', '68+127=195'] Exploring Operation: 195-76=119, Resulting Numbers: [119] 119,83 unequal: No Solution Exploring Operation: 76+195=271, Resulting Numbers: [271] 271,83 unequal: No Solution Exploring Operation: 76*195=14820, Resulting Numbers: [14820] 14820,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 83:[76, 78, 19], Operations: ['68-49=19'] Exploring Operation: 78-19=59, Resulting Numbers: [76, 59] Generated Node #0,2,0: 83:[76, 59] Operation: 78-19=59 Exploring Operation: 76-19=57, Resulting Numbers: [78, 57] Generated Node #0,2,1: 83:[78, 57] Operation: 76-19=57 Exploring Operation: 78+19=97, Resulting Numbers: [76, 97] Generated Node #0,2,2: 83:[76, 97] Operation: 78+19=97 Exploring Operation: 76+19=95, Resulting Numbers: [78, 95] Generated Node #0,2,3: 83:[78, 95] Operation: 76+19=95 Exploring Operation: 76/19=4, Resulting Numbers: [78, 4] Generated Node #0,2,4: 83:[78, 4] Operation: 76/19=4 Moving to Node #0,2,3 Current State: 83:[78, 95], Operations: ['68-49=19', '76+19=95'] Exploring Operation: 95-78=17, Resulting Numbers: [17] 17,83 unequal: No Solution Exploring Operation: 78*95=7410, Resulting Numbers: [7410] 7410,83 unequal: No Solution Exploring Operation: 78+95=173, Resulting Numbers: [173] 173,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[76, 97], Operations: ['68-49=19', '78+19=97'] Exploring Operation: 76+97=173, Resulting Numbers: [173] 173,83 unequal: No Solution Exploring Operation: 97-76=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 76*97=7372, Resulting Numbers: [7372] 7372,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[76, 59], Operations: ['68-49=19', '78-19=59'] Exploring Operation: 76*59=4484, Resulting Numbers: [4484] 4484,83 unequal: No Solution Exploring Operation: 76-59=17, Resulting Numbers: [17] 17,83 unequal: No Solution Exploring Operation: 76+59=135, Resulting Numbers: [135] 135,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[78, 57], Operations: ['68-49=19', '76-19=57'] Exploring Operation: 78*57=4446, Resulting Numbers: [4446] 4446,83 unequal: No Solution Exploring Operation: 78-57=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 78+57=135, Resulting Numbers: [135] 135,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[78, 4], Operations: ['68-49=19', '76/19=4'] Exploring Operation: 78*4=312, Resulting Numbers: [312] 312,83 unequal: No Solution Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 83:[68, 78, 27], Operations: ['76-49=27'] Exploring Operation: 68+27=95, Resulting Numbers: [78, 95] Generated Node #0,4,0: 83:[78, 95] Operation: 68+27=95 Exploring Operation: 78-27=51, Resulting Numbers: [68, 51] Generated Node #0,4,1: 83:[68, 51] Operation: 78-27=51 Exploring Operation: 68-27=41, Resulting Numbers: [78, 41] Generated Node #0,4,2: 83:[78, 41] Operation: 68-27=41 Exploring Operation: 68+78=146, Resulting Numbers: [27, 146] Generated Node #0,4,3: 83:[27, 146] Operation: 68+78=146 Exploring Operation: 78+27=105, Resulting Numbers: [68, 105] Generated Node #0,4,4: 83:[68, 105] Operation: 78+27=105 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 83:[78, 95], Operations: ['76-49=27', '68+27=95'] Exploring Operation: 95-78=17, Resulting Numbers: [17] 17,83 unequal: No Solution Exploring Operation: 78*95=7410, Resulting Numbers: [7410] 7410,83 unequal: No Solution Exploring Operation: 78+95=173, Resulting Numbers: [173] 173,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 83:[68, 105], Operations: ['76-49=27', '78+27=105'] Exploring Operation: 68+105=173, Resulting Numbers: [173] 173,83 unequal: No Solution Exploring Operation: 68*105=7140, Resulting Numbers: [7140] 7140,83 unequal: No Solution Exploring Operation: 105-68=37, Resulting Numbers: [37] 37,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 83:[68, 51], Operations: ['76-49=27', '78-27=51'] Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,83 unequal: No Solution Exploring Operation: 68+51=119, Resulting Numbers: [119] 119,83 unequal: No Solution Exploring Operation: 68*51=3468, Resulting Numbers: [3468] 3468,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 83:[78, 41], Operations: ['76-49=27', '68-27=41'] Exploring Operation: 78-41=37, Resulting Numbers: [37] 37,83 unequal: No Solution Exploring Operation: 78+41=119, Resulting Numbers: [119] 119,83 unequal: No Solution Exploring Operation: 78*41=3198, Resulting Numbers: [3198] 3198,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 83:[27, 146], Operations: ['76-49=27', '68+78=146'] Exploring Operation: 146-27=119, Resulting Numbers: [119] 119,83 unequal: No Solution Exploring Operation: 27+146=173, Resulting Numbers: [173] 173,83 unequal: No Solution Exploring Operation: 27*146=3942, Resulting Numbers: [3942] 3942,83 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
[ 31, 53, 8, 90 ]
29
[ "53-8=45", "90/45=2", "31-2=29" ]
Current State: 29:[31, 53, 8, 90], Operations: [] Exploring Operation: 53-8=45, Resulting Numbers: [31, 90, 45] Generated Node #2: [31, 90, 45] from Operation: 53-8=45 Current State: 29:[31, 90, 45], Operations: ['53-8=45'] Exploring Operation: 90/45=2, Resulting Numbers: [31, 2] Generated Node #3: [31, 2] from Operation: 90/45=2 Current State: 29:[31, 2], Operations: ['53-8=45', '90/45=2'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[31, 53, 8, 90], Operations: [] Exploring Operation: 90-8=82, Resulting Numbers: [31, 53, 82] Generated Node #0,0: 29:[31, 53, 82] Operation: 90-8=82 Exploring Operation: 53-31=22, Resulting Numbers: [8, 90, 22] Generated Node #0,1: 29:[8, 90, 22] Operation: 53-31=22 Exploring Operation: 90-53=37, Resulting Numbers: [31, 8, 37] Generated Node #0,2: 29:[31, 8, 37] Operation: 90-53=37 Exploring Operation: 53-8=45, Resulting Numbers: [31, 90, 45] Generated Node #0,3: 29:[31, 90, 45] Operation: 53-8=45 Exploring Operation: 90-31=59, Resulting Numbers: [53, 8, 59] Generated Node #0,4: 29:[53, 8, 59] Operation: 90-31=59 Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[31, 8, 37], Operations: ['90-53=37'] Exploring Operation: 37-8=29, Resulting Numbers: [31, 29] Generated Node #0,2,0: 29:[31, 29] Operation: 37-8=29 Exploring Operation: 31+8=39, Resulting Numbers: [37, 39] Generated Node #0,2,1: 29:[37, 39] Operation: 31+8=39 Exploring Operation: 8+37=45, Resulting Numbers: [31, 45] Generated Node #0,2,2: 29:[31, 45] Operation: 8+37=45 Exploring Operation: 37-31=6, Resulting Numbers: [8, 6] Generated Node #0,2,3: 29:[8, 6] Operation: 37-31=6 Exploring Operation: 31-8=23, Resulting Numbers: [37, 23] Generated Node #0,2,4: 29:[37, 23] Operation: 31-8=23 Moving to Node #0,2,0 Current State: 29:[31, 29], Operations: ['90-53=37', '37-8=29'] Exploring Operation: 31+29=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 31*29=899, Resulting Numbers: [899] 899,29 unequal: No Solution Moving to Node #0,2,4 Current State: 29:[37, 23], Operations: ['90-53=37', '31-8=23'] Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 37*23=851, Resulting Numbers: [851] 851,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[37, 39], Operations: ['90-53=37', '31+8=39'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[31, 45], Operations: ['90-53=37', '8+37=45'] Exploring Operation: 31*45=1395, Resulting Numbers: [1395] 1395,29 unequal: No Solution Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 31+45=76, Resulting Numbers: [76] 76,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[8, 6], Operations: ['90-53=37', '37-31=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,29 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 #0,4 Current State: 29:[53, 8, 59], Operations: ['90-31=59'] Exploring Operation: 59-53=6, Resulting Numbers: [8, 6] Generated Node #0,4,0: 29:[8, 6] Operation: 59-53=6 Exploring Operation: 53-8=45, Resulting Numbers: [59, 45] Generated Node #0,4,1: 29:[59, 45] Operation: 53-8=45 Exploring Operation: 53+8=61, Resulting Numbers: [59, 61] Generated Node #0,4,2: 29:[59, 61] Operation: 53+8=61 Exploring Operation: 59-8=51, Resulting Numbers: [53, 51] Generated Node #0,4,3: 29:[53, 51] Operation: 59-8=51 Exploring Operation: 8+59=67, Resulting Numbers: [53, 67] Generated Node #0,4,4: 29:[53, 67] Operation: 8+59=67 Moving to Node #0,4,0 Current State: 29:[8, 6], Operations: ['90-31=59', '59-53=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,29 unequal: No Solution Moving to Node #0,4,3 Current State: 29:[53, 51], Operations: ['90-31=59', '59-8=51'] Exploring Operation: 53+51=104, Resulting Numbers: [104] 104,29 unequal: No Solution Exploring Operation: 53-51=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 53*51=2703, Resulting Numbers: [2703] 2703,29 unequal: No Solution Moving to Node #0,4,1 Current State: 29:[59, 45], Operations: ['90-31=59', '53-8=45'] Exploring Operation: 59*45=2655, Resulting Numbers: [2655] 2655,29 unequal: No Solution Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 59+45=104, Resulting Numbers: [104] 104,29 unequal: No Solution Moving to Node #0,4,2 Current State: 29:[59, 61], Operations: ['90-31=59', '53+8=61'] Exploring Operation: 59*61=3599, Resulting Numbers: [3599] 3599,29 unequal: No Solution Exploring Operation: 61-59=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 59+61=120, Resulting Numbers: [120] 120,29 unequal: No Solution Moving to Node #0,4,4 Current State: 29:[53, 67], Operations: ['90-31=59', '8+59=67'] Exploring Operation: 53+67=120, Resulting Numbers: [120] 120,29 unequal: No Solution Exploring Operation: 53*67=3551, Resulting Numbers: [3551] 3551,29 unequal: No Solution Exploring Operation: 67-53=14, Resulting Numbers: [14] 14,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[31, 53, 82], Operations: ['90-8=82'] Exploring Operation: 53-31=22, Resulting Numbers: [82, 22] Generated Node #0,0,0: 29:[82, 22] Operation: 53-31=22 Exploring Operation: 82-31=51, Resulting Numbers: [53, 51] Generated Node #0,0,1: 29:[53, 51] Operation: 82-31=51 Exploring Operation: 31+82=113, Resulting Numbers: [53, 113] Generated Node #0,0,2: 29:[53, 113] Operation: 31+82=113 Exploring Operation: 82-53=29, Resulting Numbers: [31, 29] Generated Node #0,0,3: 29:[31, 29] Operation: 82-53=29 Exploring Operation: 31+53=84, Resulting Numbers: [82, 84] Generated Node #0,0,4: 29:[82, 84] Operation: 31+53=84 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 29:[31, 29], Operations: ['90-8=82', '82-53=29'] Exploring Operation: 31+29=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 31*29=899, Resulting Numbers: [899] 899,29 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,29 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 #0,0,1 Current State: 29:[53, 51], Operations: ['90-8=82', '82-31=51'] Exploring Operation: 53+51=104, Resulting Numbers: [104] 104,29 unequal: No Solution Exploring Operation: 53*51=2703, Resulting Numbers: [2703] 2703,29 unequal: No Solution Exploring Operation: 53-51=2, Resulting Numbers: [2] 2,29 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 #0,0,0 Current State: 29:[82, 22], Operations: ['90-8=82', '53-31=22'] Exploring Operation: 82+22=104, Resulting Numbers: [104] 104,29 unequal: No Solution Exploring Operation: 82*22=1804, Resulting Numbers: [1804] 1804,29 unequal: No Solution Exploring Operation: 82-22=60, Resulting Numbers: [60] 60,29 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 #0,0,2 Current State: 29:[53, 113], Operations: ['90-8=82', '31+82=113'] Exploring Operation: 53+113=166, Resulting Numbers: [166] 166,29 unequal: No Solution Exploring Operation: 53*113=5989, Resulting Numbers: [5989] 5989,29 unequal: No Solution Exploring Operation: 113-53=60, Resulting Numbers: [60] 60,29 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 #0,0,4 Current State: 29:[82, 84], Operations: ['90-8=82', '31+53=84'] Exploring Operation: 82*84=6888, Resulting Numbers: [6888] 6888,29 unequal: No Solution Exploring Operation: 82+84=166, Resulting Numbers: [166] 166,29 unequal: No Solution Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,29 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:[31, 90, 45], Operations: ['53-8=45'] Exploring Operation: 90-31=59, Resulting Numbers: [45, 59] Generated Node #0,3,0: 29:[45, 59] Operation: 90-31=59 Exploring Operation: 45-31=14, Resulting Numbers: [90, 14] Generated Node #0,3,1: 29:[90, 14] Operation: 45-31=14 Exploring Operation: 90-45=45, Resulting Numbers: [31, 45] Generated Node #0,3,2: 29:[31, 45] Operation: 90-45=45 Exploring Operation: 31+90=121, Resulting Numbers: [45, 121] Generated Node #0,3,3: 29:[45, 121] Operation: 31+90=121 Exploring Operation: 90/45=2, Resulting Numbers: [31, 2] Generated Node #0,3,4: 29:[31, 2] Operation: 90/45=2 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 29:[31, 45], Operations: ['53-8=45', '90-45=45'] Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,29 unequal: No Solution Exploring Operation: 31*45=1395, Resulting Numbers: [1395] 1395,29 unequal: No Solution Exploring Operation: 31+45=76, Resulting Numbers: [76] 76,29 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:[31, 2], Operations: ['53-8=45', '90/45=2'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[31, 53, 8, 90], Operations: [] Exploring Operation: 53-8=45, Resulting Numbers: [31, 90, 45] Generated Node #0,3: 29:[31, 90, 45] Operation: 53-8=45 Moving to Node #0,3 Current State: 29:[31, 90, 45], Operations: ['53-8=45'] Exploring Operation: 90/45=2, Resulting Numbers: [31, 2] Generated Node #0,3,4: 29:[31, 2] Operation: 90/45=2 Moving to Node #0,3,4 Current State: 29:[31, 2], Operations: ['53-8=45', '90/45=2'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.932292
hs_5
mult_heuristic
[ 58, 2, 18, 79 ]
99
[ "58-18=40", "40/2=20", "79+20=99" ]
Current State: 99:[58, 2, 18, 79], Operations: [] Exploring Operation: 58-18=40, Resulting Numbers: [2, 79, 40] Generated Node #2: [2, 79, 40] from Operation: 58-18=40 Current State: 99:[2, 79, 40], Operations: ['58-18=40'] Exploring Operation: 40/2=20, Resulting Numbers: [79, 20] Generated Node #3: [79, 20] from Operation: 40/2=20 Current State: 99:[79, 20], Operations: ['58-18=40', '40/2=20'] Exploring Operation: 79+20=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[58, 2, 18, 79], Operations: [] Exploring Operation: 18+79=97, Resulting Numbers: [58, 2, 97] Generated Node #0,0: 99:[58, 2, 97] Operation: 18+79=97 Exploring Operation: 58/2=29, Resulting Numbers: [18, 79, 29] Generated Node #0,1: 99:[18, 79, 29] Operation: 58/2=29 Exploring Operation: 58*2=116, Resulting Numbers: [18, 79, 116] Generated Node #0,2: 99:[18, 79, 116] Operation: 58*2=116 Exploring Operation: 79-58=21, Resulting Numbers: [2, 18, 21] Generated Node #0,3: 99:[2, 18, 21] Operation: 79-58=21 Exploring Operation: 58-18=40, Resulting Numbers: [2, 79, 40] Generated Node #0,4: 99:[2, 79, 40] Operation: 58-18=40 Start Sub Search at level 1: Moving to Node #0,3 Current State: 99:[2, 18, 21], Operations: ['79-58=21'] Exploring Operation: 21-18=3, Resulting Numbers: [2, 3] Generated Node #0,3,0: 99:[2, 3] Operation: 21-18=3 Exploring Operation: 18+21=39, Resulting Numbers: [2, 39] Generated Node #0,3,1: 99:[2, 39] Operation: 18+21=39 Exploring Operation: 2*18=36, Resulting Numbers: [21, 36] Generated Node #0,3,2: 99:[21, 36] Operation: 2*18=36 Exploring Operation: 18-2=16, Resulting Numbers: [21, 16] Generated Node #0,3,3: 99:[21, 16] Operation: 18-2=16 Exploring Operation: 18/2=9, Resulting Numbers: [21, 9] Generated Node #0,3,4: 99:[21, 9] Operation: 18/2=9 Moving to Node #0,3,0 Current State: 99:[2, 3], Operations: ['79-58=21', '21-18=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,99 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,99 unequal: No Solution Moving to Node #0,3,1 Current State: 99:[2, 39], Operations: ['79-58=21', '18+21=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,99 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,99 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,99 unequal: No Solution Moving to Node #0,3,4 Current State: 99:[21, 9], Operations: ['79-58=21', '18/2=9'] Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,99 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,99 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,99 unequal: No Solution Moving to Node #0,3,2 Current State: 99:[21, 36], Operations: ['79-58=21', '2*18=36'] Exploring Operation: 21+36=57, Resulting Numbers: [57] 57,99 unequal: No Solution Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,99 unequal: No Solution Exploring Operation: 21*36=756, Resulting Numbers: [756] 756,99 unequal: No Solution Moving to Node #0,3,3 Current State: 99:[21, 16], Operations: ['79-58=21', '18-2=16'] Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 21*16=336, Resulting Numbers: [336] 336,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[58, 2, 97], Operations: ['18+79=97'] Exploring Operation: 58*2=116, Resulting Numbers: [97, 116] Generated Node #0,0,0: 99:[97, 116] Operation: 58*2=116 Exploring Operation: 2+97=99, Resulting Numbers: [58, 99] Generated Node #0,0,1: 99:[58, 99] Operation: 2+97=99 Exploring Operation: 97-58=39, Resulting Numbers: [2, 39] Generated Node #0,0,2: 99:[2, 39] Operation: 97-58=39 Exploring Operation: 58-2=56, Resulting Numbers: [97, 56] Generated Node #0,0,3: 99:[97, 56] Operation: 58-2=56 Exploring Operation: 58/2=29, Resulting Numbers: [97, 29] Generated Node #0,0,4: 99:[97, 29] Operation: 58/2=29 Moving to Node #0,0,4 Current State: 99:[97, 29], Operations: ['18+79=97', '58/2=29'] Exploring Operation: 97*29=2813, Resulting Numbers: [2813] 2813,99 unequal: No Solution Exploring Operation: 97+29=126, Resulting Numbers: [126] 126,99 unequal: No Solution Exploring Operation: 97-29=68, Resulting Numbers: [68] 68,99 unequal: No Solution Moving to Node #0,0,2 Current State: 99:[2, 39], Operations: ['18+79=97', '97-58=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,99 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,99 unequal: No Solution Moving to Node #0,0,0 Current State: 99:[97, 116], Operations: ['18+79=97', '58*2=116'] Exploring Operation: 116-97=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 97+116=213, Resulting Numbers: [213] 213,99 unequal: No Solution Exploring Operation: 97*116=11252, Resulting Numbers: [11252] 11252,99 unequal: No Solution Moving to Node #0,0,1 Current State: 99:[58, 99], Operations: ['18+79=97', '2+97=99'] Exploring Operation: 58*99=5742, Resulting Numbers: [5742] 5742,99 unequal: No Solution Exploring Operation: 58+99=157, Resulting Numbers: [157] 157,99 unequal: No Solution Exploring Operation: 99-58=41, Resulting Numbers: [41] 41,99 unequal: No Solution Moving to Node #0,0,3 Current State: 99:[97, 56], Operations: ['18+79=97', '58-2=56'] Exploring Operation: 97*56=5432, Resulting Numbers: [5432] 5432,99 unequal: No Solution Exploring Operation: 97+56=153, Resulting Numbers: [153] 153,99 unequal: No Solution Exploring Operation: 97-56=41, Resulting Numbers: [41] 41,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 99:[2, 79, 40], Operations: ['58-18=40'] Exploring Operation: 2+79=81, Resulting Numbers: [40, 81] Generated Node #0,4,0: 99:[40, 81] Operation: 2+79=81 Exploring Operation: 79-2=77, Resulting Numbers: [40, 77] Generated Node #0,4,1: 99:[40, 77] Operation: 79-2=77 Exploring Operation: 40-2=38, Resulting Numbers: [79, 38] Generated Node #0,4,2: 99:[79, 38] Operation: 40-2=38 Exploring Operation: 79+40=119, Resulting Numbers: [2, 119] Generated Node #0,4,3: 99:[2, 119] Operation: 79+40=119 Exploring Operation: 79-40=39, Resulting Numbers: [2, 39] Generated Node #0,4,4: 99:[2, 39] Operation: 79-40=39 Moving to Node #0,4,4 Current State: 99:[2, 39], Operations: ['58-18=40', '79-40=39'] Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,99 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,99 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,99 unequal: No Solution Moving to Node #0,4,3 Current State: 99:[2, 119], Operations: ['58-18=40', '79+40=119'] Exploring Operation: 2+119=121, Resulting Numbers: [121] 121,99 unequal: No Solution Exploring Operation: 2*119=238, Resulting Numbers: [238] 238,99 unequal: No Solution Exploring Operation: 119-2=117, Resulting Numbers: [117] 117,99 unequal: No Solution Moving to Node #0,4,0 Current State: 99:[40, 81], Operations: ['58-18=40', '2+79=81'] Exploring Operation: 40+81=121, Resulting Numbers: [121] 121,99 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,99 unequal: No Solution Exploring Operation: 40*81=3240, Resulting Numbers: [3240] 3240,99 unequal: No Solution Moving to Node #0,4,2 Current State: 99:[79, 38], Operations: ['58-18=40', '40-2=38'] Exploring Operation: 79*38=3002, Resulting Numbers: [3002] 3002,99 unequal: No Solution Exploring Operation: 79+38=117, Resulting Numbers: [117] 117,99 unequal: No Solution Exploring Operation: 79-38=41, Resulting Numbers: [41] 41,99 unequal: No Solution Moving to Node #0,4,1 Current State: 99:[40, 77], Operations: ['58-18=40', '79-2=77'] Exploring Operation: 40*77=3080, Resulting Numbers: [3080] 3080,99 unequal: No Solution Exploring Operation: 77-40=37, Resulting Numbers: [37] 37,99 unequal: No Solution Exploring Operation: 40+77=117, Resulting Numbers: [117] 117,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[18, 79, 29], Operations: ['58/2=29'] Exploring Operation: 18+79=97, Resulting Numbers: [29, 97] Generated Node #0,1,0: 99:[29, 97] Operation: 18+79=97 Exploring Operation: 79+29=108, Resulting Numbers: [18, 108] Generated Node #0,1,1: 99:[18, 108] Operation: 79+29=108 Exploring Operation: 29-18=11, Resulting Numbers: [79, 11] Generated Node #0,1,2: 99:[79, 11] Operation: 29-18=11 Exploring Operation: 79-18=61, Resulting Numbers: [29, 61] Generated Node #0,1,3: 99:[29, 61] Operation: 79-18=61 Exploring Operation: 79-29=50, Resulting Numbers: [18, 50] Generated Node #0,1,4: 99:[18, 50] Operation: 79-29=50 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 99:[29, 97], Operations: ['58/2=29', '18+79=97'] Exploring Operation: 97-29=68, Resulting Numbers: [68] 68,99 unequal: No Solution Exploring Operation: 29+97=126, Resulting Numbers: [126] 126,99 unequal: No Solution Exploring Operation: 29*97=2813, Resulting Numbers: [2813] 2813,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 99:[18, 108], Operations: ['58/2=29', '79+29=108'] Exploring Operation: 18*108=1944, Resulting Numbers: [1944] 1944,99 unequal: No Solution Exploring Operation: 108/18=6, Resulting Numbers: [6] 6,99 unequal: No Solution Exploring Operation: 108-18=90, Resulting Numbers: [90] 90,99 unequal: No Solution Exploring Operation: 18+108=126, Resulting Numbers: [126] 126,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 99:[79, 11], Operations: ['58/2=29', '29-18=11'] Exploring Operation: 79*11=869, Resulting Numbers: [869] 869,99 unequal: No Solution Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,99 unequal: No Solution Exploring Operation: 79+11=90, Resulting Numbers: [90] 90,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 99:[18, 50], Operations: ['58/2=29', '79-29=50'] Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,99 unequal: No Solution Exploring Operation: 18+50=68, Resulting Numbers: [68] 68,99 unequal: No Solution Exploring Operation: 18*50=900, Resulting Numbers: [900] 900,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 99:[29, 61], Operations: ['58/2=29', '79-18=61'] Exploring Operation: 29*61=1769, Resulting Numbers: [1769] 1769,99 unequal: No Solution Exploring Operation: 29+61=90, Resulting Numbers: [90] 90,99 unequal: No Solution Exploring Operation: 61-29=32, Resulting Numbers: [32] 32,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[18, 79, 116], Operations: ['58*2=116'] Exploring Operation: 18+79=97, Resulting Numbers: [116, 97] Generated Node #0,2,0: 99:[116, 97] Operation: 18+79=97 Exploring Operation: 116-79=37, Resulting Numbers: [18, 37] Generated Node #0,2,1: 99:[18, 37] Operation: 116-79=37 Exploring Operation: 79-18=61, Resulting Numbers: [116, 61] Generated Node #0,2,2: 99:[116, 61] Operation: 79-18=61 Exploring Operation: 18+116=134, Resulting Numbers: [79, 134] Generated Node #0,2,3: 99:[79, 134] Operation: 18+116=134 Exploring Operation: 116-18=98, Resulting Numbers: [79, 98] Generated Node #0,2,4: 99:[79, 98] Operation: 116-18=98 Moving to Node #0,2,1 Current State: 99:[18, 37], Operations: ['58*2=116', '116-79=37'] Exploring Operation: 18*37=666, Resulting Numbers: [666] 666,99 unequal: No Solution Exploring Operation: 18+37=55, Resulting Numbers: [55] 55,99 unequal: No Solution Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,99 unequal: No Solution Moving to Node #0,2,0 Current State: 99:[116, 97], Operations: ['58*2=116', '18+79=97'] Exploring Operation: 116*97=11252, Resulting Numbers: [11252] 11252,99 unequal: No Solution Exploring Operation: 116+97=213, Resulting Numbers: [213] 213,99 unequal: No Solution Exploring Operation: 116-97=19, Resulting Numbers: [19] 19,99 unequal: No Solution Moving to Node #0,2,4 Current State: 99:[79, 98], Operations: ['58*2=116', '116-18=98'] Exploring Operation: 98-79=19, Resulting Numbers: [19] 19,99 unequal: No Solution Exploring Operation: 79+98=177, Resulting Numbers: [177] 177,99 unequal: No Solution Exploring Operation: 79*98=7742, Resulting Numbers: [7742] 7742,99 unequal: No Solution Moving to Node #0,2,2 Current State: 99:[116, 61], Operations: ['58*2=116', '79-18=61'] Exploring Operation: 116+61=177, Resulting Numbers: [177] 177,99 unequal: No Solution Exploring Operation: 116-61=55, Resulting Numbers: [55] 55,99 unequal: No Solution Exploring Operation: 116*61=7076, Resulting Numbers: [7076] 7076,99 unequal: No Solution Moving to Node #0,2,3 Current State: 99:[79, 134], Operations: ['58*2=116', '18+116=134'] Exploring Operation: 79*134=10586, Resulting Numbers: [10586] 10586,99 unequal: No Solution Exploring Operation: 134-79=55, Resulting Numbers: [55] 55,99 unequal: No Solution Exploring Operation: 79+134=213, Resulting Numbers: [213] 213,99 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
[ 52, 64, 91, 71 ]
65
[ "71-64=7", "91/7=13", "52+13=65" ]
Current State: 65:[52, 64, 91, 71], Operations: [] Exploring Operation: 71-64=7, Resulting Numbers: [52, 91, 7] Generated Node #2: [52, 91, 7] from Operation: 71-64=7 Current State: 65:[52, 91, 7], Operations: ['71-64=7'] Exploring Operation: 91/7=13, Resulting Numbers: [52, 13] Generated Node #3: [52, 13] from Operation: 91/7=13 Current State: 65:[52, 13], Operations: ['71-64=7', '91/7=13'] Exploring Operation: 52+13=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[52, 64, 91, 71], Operations: [] Exploring Operation: 91-71=20, Resulting Numbers: [52, 64, 20] Generated Node #0,0: 65:[52, 64, 20] Operation: 91-71=20 Exploring Operation: 64-52=12, Resulting Numbers: [91, 71, 12] Generated Node #0,1: 65:[91, 71, 12] Operation: 64-52=12 Exploring Operation: 91-52=39, Resulting Numbers: [64, 71, 39] Generated Node #0,2: 65:[64, 71, 39] Operation: 91-52=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[52, 64, 20], Operations: ['91-71=20'] Exploring Operation: 64-52=12, Resulting Numbers: [20, 12] Generated Node #0,0,0: 65:[20, 12] Operation: 64-52=12 Exploring Operation: 52-20=32, Resulting Numbers: [64, 32] Generated Node #0,0,1: 65:[64, 32] Operation: 52-20=32 Exploring Operation: 52+20=72, Resulting Numbers: [64, 72] Generated Node #0,0,2: 65:[64, 72] Operation: 52+20=72 Moving to Node #0,0,0 Current State: 65:[20, 12], Operations: ['91-71=20', '64-52=12'] Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,65 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 20*12=240, Resulting Numbers: [240] 240,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[64, 72], Operations: ['91-71=20', '52+20=72'] Exploring Operation: 64*72=4608, Resulting Numbers: [4608] 4608,65 unequal: No Solution Exploring Operation: 72-64=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 64+72=136, Resulting Numbers: [136] 136,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[64, 32], Operations: ['91-71=20', '52-20=32'] Exploring Operation: 64+32=96, Resulting Numbers: [96] 96,65 unequal: No Solution Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,65 unequal: No Solution Exploring Operation: 64/32=2, Resulting Numbers: [2] 2,65 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 Current State: 65:[91, 71, 12], Operations: ['64-52=12'] Exploring Operation: 91-71=20, Resulting Numbers: [12, 20] Generated Node #0,1,0: 65:[12, 20] Operation: 91-71=20 Exploring Operation: 91-12=79, Resulting Numbers: [71, 79] Generated Node #0,1,1: 65:[71, 79] Operation: 91-12=79 Exploring Operation: 71-12=59, Resulting Numbers: [91, 59] Generated Node #0,1,2: 65:[91, 59] Operation: 71-12=59 Moving to Node #0,1,0 Current State: 65:[12, 20], Operations: ['64-52=12', '91-71=20'] Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,65 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 12*20=240, Resulting Numbers: [240] 240,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[71, 79], Operations: ['64-52=12', '91-12=79'] Exploring Operation: 71+79=150, Resulting Numbers: [150] 150,65 unequal: No Solution Exploring Operation: 71*79=5609, Resulting Numbers: [5609] 5609,65 unequal: No Solution Exploring Operation: 79-71=8, Resulting Numbers: [8] 8,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[91, 59], Operations: ['64-52=12', '71-12=59'] Exploring Operation: 91-59=32, Resulting Numbers: [32] 32,65 unequal: No Solution Exploring Operation: 91+59=150, Resulting Numbers: [150] 150,65 unequal: No Solution Exploring Operation: 91*59=5369, Resulting Numbers: [5369] 5369,65 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 #0,2 Current State: 65:[64, 71, 39], Operations: ['91-52=39'] Exploring Operation: 64-39=25, Resulting Numbers: [71, 25] Generated Node #0,2,0: 65:[71, 25] Operation: 64-39=25 Exploring Operation: 71-39=32, Resulting Numbers: [64, 32] Generated Node #0,2,1: 65:[64, 32] Operation: 71-39=32 Exploring Operation: 71-64=7, Resulting Numbers: [39, 7] Generated Node #0,2,2: 65:[39, 7] Operation: 71-64=7 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 65:[71, 25], Operations: ['91-52=39', '64-39=25'] Exploring Operation: 71-25=46, Resulting Numbers: [46] 46,65 unequal: No Solution Exploring Operation: 71*25=1775, Resulting Numbers: [1775] 1775,65 unequal: No Solution Exploring Operation: 71+25=96, Resulting Numbers: [96] 96,65 unequal: No Solution No 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: 65:[64, 32], Operations: ['91-52=39', '71-39=32'] Exploring Operation: 64/32=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 64+32=96, Resulting Numbers: [96] 96,65 unequal: No Solution Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,65 unequal: No Solution No 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: 65:[39, 7], Operations: ['91-52=39', '71-64=7'] Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,65 unequal: No Solution Exploring Operation: 39*7=273, Resulting Numbers: [273] 273,65 unequal: No Solution Exploring Operation: 39+7=46, Resulting Numbers: [46] 46,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 40, 36, 34, 72 ]
92
[ "36-34=2", "40/2=20", "72+20=92" ]
Current State: 92:[40, 36, 34, 72], Operations: [] Exploring Operation: 36-34=2, Resulting Numbers: [40, 72, 2] Generated Node #2: [40, 72, 2] from Operation: 36-34=2 Current State: 92:[40, 72, 2], Operations: ['36-34=2'] Exploring Operation: 40/2=20, Resulting Numbers: [72, 20] Generated Node #3: [72, 20] from Operation: 40/2=20 Current State: 92:[72, 20], Operations: ['36-34=2', '40/2=20'] Exploring Operation: 72+20=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[40, 36, 34, 72], Operations: [] Exploring Operation: 72/36=2, Resulting Numbers: [40, 34, 2] Generated Node #0,0: 92:[40, 34, 2] Operation: 72/36=2 Exploring Operation: 72-34=38, Resulting Numbers: [40, 36, 38] Generated Node #0,1: 92:[40, 36, 38] Operation: 72-34=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[40, 34, 2], Operations: ['72/36=2'] Exploring Operation: 34/2=17, Resulting Numbers: [40, 17] Generated Node #0,0,0: 92:[40, 17] Operation: 34/2=17 Exploring Operation: 40-34=6, Resulting Numbers: [2, 6] Generated Node #0,0,1: 92:[2, 6] Operation: 40-34=6 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 92:[2, 6], Operations: ['72/36=2', '40-34=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 92:[40, 17], Operations: ['72/36=2', '34/2=17'] Exploring Operation: 40+17=57, Resulting Numbers: [57] 57,92 unequal: No Solution Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,92 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: 92:[40, 36, 38], Operations: ['72-34=38'] Exploring Operation: 40-36=4, Resulting Numbers: [38, 4] Generated Node #0,1,0: 92:[38, 4] Operation: 40-36=4 Exploring Operation: 38-36=2, Resulting Numbers: [40, 2] Generated Node #0,1,1: 92:[40, 2] Operation: 38-36=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 92:[40, 2], Operations: ['72-34=38', '38-36=2'] Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,92 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[38, 4], Operations: ['72-34=38', '40-36=4'] Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,92 unequal: No Solution Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,92 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
[ 66, 3, 50, 33 ]
44
[ "66*3=198", "198/33=6", "50-6=44" ]
Current State: 44:[66, 3, 50, 33], Operations: [] Exploring Operation: 66*3=198, Resulting Numbers: [50, 33, 198] Generated Node #2: [50, 33, 198] from Operation: 66*3=198 Current State: 44:[50, 33, 198], Operations: ['66*3=198'] Exploring Operation: 198/33=6, Resulting Numbers: [50, 6] Generated Node #3: [50, 6] from Operation: 198/33=6 Current State: 44:[50, 6], Operations: ['66*3=198', '198/33=6'] Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[66, 3, 50, 33], Operations: [] Exploring Operation: 66/3=22, Resulting Numbers: [50, 33, 22] Generated Node #0,0: 44:[50, 33, 22] Operation: 66/3=22 Exploring Operation: 66/33=2, Resulting Numbers: [3, 50, 2] Generated Node #0,1: 44:[3, 50, 2] Operation: 66/33=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[3, 50, 2], Operations: ['66/33=2'] Exploring Operation: 50-3=47, Resulting Numbers: [2, 47] Generated Node #0,1,0: 44:[2, 47] Operation: 50-3=47 Exploring Operation: 50/2=25, Resulting Numbers: [3, 25] Generated Node #0,1,1: 44:[3, 25] Operation: 50/2=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 44:[2, 47], Operations: ['66/33=2', '50-3=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,44 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 #0,1,1 Current State: 44:[3, 25], Operations: ['66/33=2', '50/2=25'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,44 unequal: No Solution Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,44 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 #0,0 Current State: 44:[50, 33, 22], Operations: ['66/3=22'] Exploring Operation: 50-33=17, Resulting Numbers: [22, 17] Generated Node #0,0,0: 44:[22, 17] Operation: 50-33=17 Exploring Operation: 33-22=11, Resulting Numbers: [50, 11] Generated Node #0,0,1: 44:[50, 11] Operation: 33-22=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 44:[22, 17], Operations: ['66/3=22', '50-33=17'] Exploring Operation: 22+17=39, Resulting Numbers: [39] 39,44 unequal: No Solution Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,44 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:[50, 11], Operations: ['66/3=22', '33-22=11'] Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,44 unequal: No Solution Exploring Operation: 50+11=61, Resulting Numbers: [61] 61,44 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_2
sum_heuristic
[ 68, 80, 79, 1 ]
69
[ "68+80=148", "79*1=79", "148-79=69" ]
Current State: 69:[68, 80, 79, 1], Operations: [] Exploring Operation: 68+80=148, Resulting Numbers: [79, 1, 148] Generated Node #2: [79, 1, 148] from Operation: 68+80=148 Current State: 69:[79, 1, 148], Operations: ['68+80=148'] Exploring Operation: 79*1=79, Resulting Numbers: [148, 79] Generated Node #3: [148, 79] from Operation: 79*1=79 Current State: 69:[148, 79], Operations: ['68+80=148', '79*1=79'] Exploring Operation: 148-79=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[68, 80, 79, 1], Operations: [] Exploring Operation: 80-79=1, Resulting Numbers: [68, 1, 1] Generated Node #0,0: 69:[68, 1, 1] Operation: 80-79=1 Exploring Operation: 80-68=12, Resulting Numbers: [79, 1, 12] Generated Node #0,1: 69:[79, 1, 12] Operation: 80-68=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[68, 1, 1], Operations: ['80-79=1'] Exploring Operation: 68+1=69, Resulting Numbers: [1, 69] Generated Node #0,0,0: 69:[1, 69] Operation: 68+1=69 Exploring Operation: 68+1=69, Resulting Numbers: [1, 69] Generated Node #0,0,1: 69:[1, 69] Operation: 68+1=69 Moving to Node #0,0,0 Current State: 69:[1, 69], Operations: ['80-79=1', '68+1=69'] Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[68, 80, 79, 1], Operations: [] Exploring Operation: 80-79=1, Resulting Numbers: [68, 1, 1] Generated Node #0,0: 69:[68, 1, 1] Operation: 80-79=1 Moving to Node #0,0 Current State: 69:[68, 1, 1], Operations: ['80-79=1'] Exploring Operation: 68+1=69, Resulting Numbers: [1, 69] Generated Node #0,0,0: 69:[1, 69] Operation: 68+1=69 Moving to Node #0,0,0 Current State: 69:[1, 69], Operations: ['80-79=1', '68+1=69'] Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 72, 7, 33, 2 ]
41
[ "7+2=9", "72/9=8", "33+8=41" ]
Current State: 41:[72, 7, 33, 2], Operations: [] Exploring Operation: 7+2=9, Resulting Numbers: [72, 33, 9] Generated Node #2: [72, 33, 9] from Operation: 7+2=9 Current State: 41:[72, 33, 9], Operations: ['7+2=9'] Exploring Operation: 72/9=8, Resulting Numbers: [33, 8] Generated Node #3: [33, 8] from Operation: 72/9=8 Current State: 41:[33, 8], Operations: ['7+2=9', '72/9=8'] Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[72, 7, 33, 2], Operations: [] Exploring Operation: 7*2=14, Resulting Numbers: [72, 33, 14] Generated Node #0,0: 41:[72, 33, 14] Operation: 7*2=14 Exploring Operation: 72/2=36, Resulting Numbers: [7, 33, 36] Generated Node #0,1: 41:[7, 33, 36] Operation: 72/2=36 Exploring Operation: 72-7=65, Resulting Numbers: [33, 2, 65] Generated Node #0,2: 41:[33, 2, 65] Operation: 72-7=65 Moving to Node #0,1 Current State: 41:[7, 33, 36], Operations: ['72/2=36'] Exploring Operation: 7+33=40, Resulting Numbers: [36, 40] Generated Node #0,1,0: 41:[36, 40] Operation: 7+33=40 Exploring Operation: 33-7=26, Resulting Numbers: [36, 26] Generated Node #0,1,1: 41:[36, 26] Operation: 33-7=26 Exploring Operation: 7+36=43, Resulting Numbers: [33, 43] Generated Node #0,1,2: 41:[33, 43] Operation: 7+36=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[36, 40], Operations: ['72/2=36', '7+33=40'] Exploring Operation: 36*40=1440, Resulting Numbers: [1440] 1440,41 unequal: No Solution Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,41 unequal: No Solution Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[33, 43], Operations: ['72/2=36', '7+36=43'] Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 33*43=1419, Resulting Numbers: [1419] 1419,41 unequal: No Solution Exploring Operation: 33+43=76, Resulting Numbers: [76] 76,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[36, 26], Operations: ['72/2=36', '33-7=26'] Exploring Operation: 36-26=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 36+26=62, Resulting Numbers: [62] 62,41 unequal: No Solution Exploring Operation: 36*26=936, Resulting Numbers: [936] 936,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 41:[72, 33, 14], Operations: ['7*2=14'] Exploring Operation: 33+14=47, Resulting Numbers: [72, 47] Generated Node #0,0,0: 41:[72, 47] Operation: 33+14=47 Exploring Operation: 72-33=39, Resulting Numbers: [14, 39] Generated Node #0,0,1: 41:[14, 39] Operation: 72-33=39 Exploring Operation: 72-14=58, Resulting Numbers: [33, 58] Generated Node #0,0,2: 41:[33, 58] Operation: 72-14=58 Moving to Node #0,2 Current State: 41:[33, 2, 65], Operations: ['72-7=65'] Exploring Operation: 65-2=63, Resulting Numbers: [33, 63] Generated Node #0,2,0: 41:[33, 63] Operation: 65-2=63 Exploring Operation: 33-2=31, Resulting Numbers: [65, 31] Generated Node #0,2,1: 41:[65, 31] Operation: 33-2=31 Exploring Operation: 33+2=35, Resulting Numbers: [65, 35] Generated Node #0,2,2: 41:[65, 35] Operation: 33+2=35 Moving to Node #0,0,2 Current State: 41:[33, 58], Operations: ['7*2=14', '72-14=58'] Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 33+58=91, Resulting Numbers: [91] 91,41 unequal: No Solution Exploring Operation: 33*58=1914, Resulting Numbers: [1914] 1914,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[14, 39], Operations: ['7*2=14', '72-33=39'] Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 14+39=53, Resulting Numbers: [53] 53,41 unequal: No Solution Exploring Operation: 14*39=546, Resulting Numbers: [546] 546,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[65, 35], Operations: ['72-7=65', '33+2=35'] Exploring Operation: 65-35=30, Resulting Numbers: [30] 30,41 unequal: No Solution Exploring Operation: 65+35=100, Resulting Numbers: [100] 100,41 unequal: No Solution Exploring Operation: 65*35=2275, Resulting Numbers: [2275] 2275,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[33, 63], Operations: ['72-7=65', '65-2=63'] Exploring Operation: 63-33=30, Resulting Numbers: [30] 30,41 unequal: No Solution Exploring Operation: 33*63=2079, Resulting Numbers: [2079] 2079,41 unequal: No Solution Exploring Operation: 33+63=96, Resulting Numbers: [96] 96,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[65, 31], Operations: ['72-7=65', '33-2=31'] Exploring Operation: 65+31=96, Resulting Numbers: [96] 96,41 unequal: No Solution Exploring Operation: 65*31=2015, Resulting Numbers: [2015] 2015,41 unequal: No Solution Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[72, 47], Operations: ['7*2=14', '33+14=47'] Exploring Operation: 72+47=119, Resulting Numbers: [119] 119,41 unequal: No Solution Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 72*47=3384, Resulting Numbers: [3384] 3384,41 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 39, 67, 32, 15 ]
89
[ "39+67=106", "32-15=17", "106-17=89" ]
Current State: 89:[39, 67, 32, 15], Operations: [] Exploring Operation: 39+67=106, Resulting Numbers: [32, 15, 106] Generated Node #2: [32, 15, 106] from Operation: 39+67=106 Current State: 89:[32, 15, 106], Operations: ['39+67=106'] Exploring Operation: 32-15=17, Resulting Numbers: [106, 17] Generated Node #3: [106, 17] from Operation: 32-15=17 Current State: 89:[106, 17], Operations: ['39+67=106', '32-15=17'] Exploring Operation: 106-17=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[39, 67, 32, 15], Operations: [] Exploring Operation: 32+15=47, Resulting Numbers: [39, 67, 47] Generated Node #0,0: 89:[39, 67, 47] Operation: 32+15=47 Exploring Operation: 39+15=54, Resulting Numbers: [67, 32, 54] Generated Node #0,1: 89:[67, 32, 54] Operation: 39+15=54 Exploring Operation: 39+32=71, Resulting Numbers: [67, 15, 71] Generated Node #0,2: 89:[67, 15, 71] Operation: 39+32=71 Exploring Operation: 67+15=82, Resulting Numbers: [39, 32, 82] Generated Node #0,3: 89:[39, 32, 82] Operation: 67+15=82 Moving to Node #0,0 Current State: 89:[39, 67, 47], Operations: ['32+15=47'] Exploring Operation: 39+67=106, Resulting Numbers: [47, 106] Generated Node #0,0,0: 89:[47, 106] Operation: 39+67=106 Exploring Operation: 39+47=86, Resulting Numbers: [67, 86] Generated Node #0,0,1: 89:[67, 86] Operation: 39+47=86 Exploring Operation: 67-39=28, Resulting Numbers: [47, 28] Generated Node #0,0,2: 89:[47, 28] Operation: 67-39=28 Exploring Operation: 67+47=114, Resulting Numbers: [39, 114] Generated Node #0,0,3: 89:[39, 114] Operation: 67+47=114 Moving to Node #0,2 Current State: 89:[67, 15, 71], Operations: ['39+32=71'] Exploring Operation: 67+15=82, Resulting Numbers: [71, 82] Generated Node #0,2,0: 89:[71, 82] Operation: 67+15=82 Exploring Operation: 71-15=56, Resulting Numbers: [67, 56] Generated Node #0,2,1: 89:[67, 56] Operation: 71-15=56 Exploring Operation: 15+71=86, Resulting Numbers: [67, 86] Generated Node #0,2,2: 89:[67, 86] Operation: 15+71=86 Exploring Operation: 67-15=52, Resulting Numbers: [71, 52] Generated Node #0,2,3: 89:[71, 52] Operation: 67-15=52 Moving to Node #0,1 Current State: 89:[67, 32, 54], Operations: ['39+15=54'] Exploring Operation: 32+54=86, Resulting Numbers: [67, 86] Generated Node #0,1,0: 89:[67, 86] Operation: 32+54=86 Exploring Operation: 67+32=99, Resulting Numbers: [54, 99] Generated Node #0,1,1: 89:[54, 99] Operation: 67+32=99 Exploring Operation: 67+54=121, Resulting Numbers: [32, 121] Generated Node #0,1,2: 89:[32, 121] Operation: 67+54=121 Exploring Operation: 67-32=35, Resulting Numbers: [54, 35] Generated Node #0,1,3: 89:[54, 35] Operation: 67-32=35 Moving to Node #0,3 Current State: 89:[39, 32, 82], Operations: ['67+15=82'] Exploring Operation: 39+32=71, Resulting Numbers: [82, 71] Generated Node #0,3,0: 89:[82, 71] Operation: 39+32=71 Exploring Operation: 39+82=121, Resulting Numbers: [32, 121] Generated Node #0,3,1: 89:[32, 121] Operation: 39+82=121 Exploring Operation: 32+82=114, Resulting Numbers: [39, 114] Generated Node #0,3,2: 89:[39, 114] Operation: 32+82=114 Exploring Operation: 39-32=7, Resulting Numbers: [82, 7] Generated Node #0,3,3: 89:[82, 7] Operation: 39-32=7 Moving to Node #0,0,1 Current State: 89:[67, 86], Operations: ['32+15=47', '39+47=86'] Exploring Operation: 86-67=19, Resulting Numbers: [19] 19,89 unequal: No Solution Exploring Operation: 67*86=5762, Resulting Numbers: [5762] 5762,89 unequal: No Solution Exploring Operation: 67+86=153, Resulting Numbers: [153] 153,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[67, 86], Operations: ['39+32=71', '15+71=86'] Exploring Operation: 67*86=5762, Resulting Numbers: [5762] 5762,89 unequal: No Solution Exploring Operation: 86-67=19, Resulting Numbers: [19] 19,89 unequal: No Solution Exploring Operation: 67+86=153, Resulting Numbers: [153] 153,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[82, 71], Operations: ['67+15=82', '39+32=71'] Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,89 unequal: No Solution Exploring Operation: 82+71=153, Resulting Numbers: [153] 153,89 unequal: No Solution Exploring Operation: 82*71=5822, Resulting Numbers: [5822] 5822,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[71, 82], Operations: ['39+32=71', '67+15=82'] Exploring Operation: 71*82=5822, Resulting Numbers: [5822] 5822,89 unequal: No Solution Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,89 unequal: No Solution Exploring Operation: 71+82=153, Resulting Numbers: [153] 153,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[67, 86], Operations: ['39+15=54', '32+54=86'] Exploring Operation: 67+86=153, Resulting Numbers: [153] 153,89 unequal: No Solution Exploring Operation: 86-67=19, Resulting Numbers: [19] 19,89 unequal: No Solution Exploring Operation: 67*86=5762, Resulting Numbers: [5762] 5762,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[54, 99], Operations: ['39+15=54', '67+32=99'] Exploring Operation: 54+99=153, Resulting Numbers: [153] 153,89 unequal: No Solution Exploring Operation: 99-54=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 54*99=5346, Resulting Numbers: [5346] 5346,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[67, 56], Operations: ['39+32=71', '71-15=56'] Exploring Operation: 67+56=123, Resulting Numbers: [123] 123,89 unequal: No Solution Exploring Operation: 67-56=11, Resulting Numbers: [11] 11,89 unequal: No Solution Exploring Operation: 67*56=3752, Resulting Numbers: [3752] 3752,89 unequal: No Solution Moving to Node #0,2,3 Current State: 89:[71, 52], Operations: ['39+32=71', '67-15=52'] Exploring Operation: 71-52=19, Resulting Numbers: [19] 19,89 unequal: No Solution Exploring Operation: 71*52=3692, Resulting Numbers: [3692] 3692,89 unequal: No Solution Exploring Operation: 71+52=123, Resulting Numbers: [123] 123,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[47, 106], Operations: ['32+15=47', '39+67=106'] Exploring Operation: 47*106=4982, Resulting Numbers: [4982] 4982,89 unequal: No Solution Exploring Operation: 106-47=59, Resulting Numbers: [59] 59,89 unequal: No Solution Exploring Operation: 47+106=153, Resulting Numbers: [153] 153,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[39, 114], Operations: ['67+15=82', '32+82=114'] Exploring Operation: 114-39=75, Resulting Numbers: [75] 75,89 unequal: No Solution Exploring Operation: 39+114=153, Resulting Numbers: [153] 153,89 unequal: No Solution Exploring Operation: 39*114=4446, Resulting Numbers: [4446] 4446,89 unequal: No Solution Moving to Node #0,0,3 Current State: 89:[39, 114], Operations: ['32+15=47', '67+47=114'] Exploring Operation: 114-39=75, Resulting Numbers: [75] 75,89 unequal: No Solution Exploring Operation: 39*114=4446, Resulting Numbers: [4446] 4446,89 unequal: No Solution Exploring Operation: 39+114=153, Resulting Numbers: [153] 153,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[54, 35], Operations: ['39+15=54', '67-32=35'] Exploring Operation: 54-35=19, Resulting Numbers: [19] 19,89 unequal: No Solution Exploring Operation: 54+35=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[39, 67, 32, 15], Operations: [] Exploring Operation: 39+15=54, Resulting Numbers: [67, 32, 54] Generated Node #0,1: 89:[67, 32, 54] Operation: 39+15=54 Moving to Node #0,1 Current State: 89:[67, 32, 54], Operations: ['39+15=54'] Exploring Operation: 67-32=35, Resulting Numbers: [54, 35] Generated Node #0,1,3: 89:[54, 35] Operation: 67-32=35 Moving to Node #0,1,3 Current State: 89:[54, 35], Operations: ['39+15=54', '67-32=35'] Exploring Operation: 54+35=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
0.948785
hs_4
mult_heuristic
[ 89, 28, 59, 82 ]
94
[ "89+28=117", "82-59=23", "117-23=94" ]
Current State: 94:[89, 28, 59, 82], Operations: [] Exploring Operation: 89+28=117, Resulting Numbers: [59, 82, 117] Generated Node #2: [59, 82, 117] from Operation: 89+28=117 Current State: 94:[59, 82, 117], Operations: ['89+28=117'] Exploring Operation: 82-59=23, Resulting Numbers: [117, 23] Generated Node #3: [117, 23] from Operation: 82-59=23 Current State: 94:[117, 23], Operations: ['89+28=117', '82-59=23'] Exploring Operation: 117-23=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[89, 28, 59, 82], Operations: [] Exploring Operation: 82-28=54, Resulting Numbers: [89, 59, 54] Generated Node #0,0: 94:[89, 59, 54] Operation: 82-28=54 Exploring Operation: 28+59=87, Resulting Numbers: [89, 82, 87] Generated Node #0,1: 94:[89, 82, 87] Operation: 28+59=87 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[89, 59, 54], Operations: ['82-28=54'] Exploring Operation: 89-59=30, Resulting Numbers: [54, 30] Generated Node #0,0,0: 94:[54, 30] Operation: 89-59=30 Exploring Operation: 59-54=5, Resulting Numbers: [89, 5] Generated Node #0,0,1: 94:[89, 5] Operation: 59-54=5 Moving to Node #0,0,1 Current State: 94:[89, 5], Operations: ['82-28=54', '59-54=5'] Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[89, 28, 59, 82], Operations: [] Exploring Operation: 82-28=54, Resulting Numbers: [89, 59, 54] Generated Node #0,0: 94:[89, 59, 54] Operation: 82-28=54 Moving to Node #0,0 Current State: 94:[89, 59, 54], Operations: ['82-28=54'] Exploring Operation: 59-54=5, Resulting Numbers: [89, 5] Generated Node #0,0,1: 94:[89, 5] Operation: 59-54=5 Moving to Node #0,0,1 Current State: 94:[89, 5], Operations: ['82-28=54', '59-54=5'] Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 71, 17, 16, 88 ]
72
[ "71*16=1136", "88+1136=1224", "1224/17=72" ]
Current State: 72:[71, 17, 16, 88], Operations: [] Exploring Operation: 71*16=1136, Resulting Numbers: [17, 88, 1136] Generated Node #2: [17, 88, 1136] from Operation: 71*16=1136 Current State: 72:[17, 88, 1136], Operations: ['71*16=1136'] Exploring Operation: 88+1136=1224, Resulting Numbers: [17, 1224] Generated Node #3: [17, 1224] from Operation: 88+1136=1224 Current State: 72:[17, 1224], Operations: ['71*16=1136', '88+1136=1224'] Exploring Operation: 1224/17=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[71, 17, 16, 88], Operations: [] Exploring Operation: 88-71=17, Resulting Numbers: [17, 16, 17] Generated Node #0,0: 72:[17, 16, 17] Operation: 88-71=17 Exploring Operation: 88-16=72, Resulting Numbers: [71, 17, 72] Generated Node #0,1: 72:[71, 17, 72] Operation: 88-16=72 Exploring Operation: 88-17=71, Resulting Numbers: [71, 16, 71] Generated Node #0,2: 72:[71, 16, 71] Operation: 88-17=71 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[71, 17, 72], Operations: ['88-16=72'] Exploring Operation: 71+17=88, Resulting Numbers: [72, 88] Generated Node #0,1,0: 72:[72, 88] Operation: 71+17=88 Exploring Operation: 71-17=54, Resulting Numbers: [72, 54] Generated Node #0,1,1: 72:[72, 54] Operation: 71-17=54 Exploring Operation: 72-71=1, Resulting Numbers: [17, 1] Generated Node #0,1,2: 72:[17, 1] Operation: 72-71=1 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 72:[17, 1], Operations: ['88-16=72', '72-71=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,72 unequal: No Solution No 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: 72:[72, 88], Operations: ['88-16=72', '71+17=88'] Exploring Operation: 72+88=160, Resulting Numbers: [160] 160,72 unequal: No Solution Exploring Operation: 88-72=16, Resulting Numbers: [16] 16,72 unequal: No Solution Exploring Operation: 72*88=6336, Resulting Numbers: [6336] 6336,72 unequal: No Solution No 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: 72:[72, 54], Operations: ['88-16=72', '71-17=54'] Exploring Operation: 72*54=3888, Resulting Numbers: [3888] 3888,72 unequal: No Solution Exploring Operation: 72+54=126, Resulting Numbers: [126] 126,72 unequal: No Solution Exploring Operation: 72-54=18, Resulting Numbers: [18] 18,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[17, 16, 17], Operations: ['88-71=17'] Exploring Operation: 17-16=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 72:[17, 1] Operation: 17-16=1 Exploring Operation: 17/17=1, Resulting Numbers: [16, 1] Generated Node #0,0,1: 72:[16, 1] Operation: 17/17=1 Exploring Operation: 17-16=1, Resulting Numbers: [17, 1] Generated Node #0,0,2: 72:[17, 1] Operation: 17-16=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 72:[17, 1], Operations: ['88-71=17', '17-16=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,72 unequal: No Solution No 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: 72:[17, 1], Operations: ['88-71=17', '17-16=1'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,72 unequal: No Solution No 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: 72:[16, 1], Operations: ['88-71=17', '17/17=1'] Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,72 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 72:[71, 16, 71], Operations: ['88-17=71'] Exploring Operation: 71/71=1, Resulting Numbers: [16, 1] Generated Node #0,2,0: 72:[16, 1] Operation: 71/71=1 Exploring Operation: 71-71=0, Resulting Numbers: [16, 0] Generated Node #0,2,1: 72:[16, 0] Operation: 71-71=0 Exploring Operation: 71+16=87, Resulting Numbers: [71, 87] Generated Node #0,2,2: 72:[71, 87] Operation: 71+16=87 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 72:[16, 1], Operations: ['88-17=71', '71/71=1'] Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,72 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,72 unequal: No Solution No 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: 72:[16, 0], Operations: ['88-17=71', '71-71=0'] Exploring Operation: 16*0=0, Resulting Numbers: [0] 0,72 unequal: No Solution Exploring Operation: 16-0=16, Resulting Numbers: [16] 16,72 unequal: No Solution Exploring Operation: 16+0=16, Resulting Numbers: [16] 16,72 unequal: No Solution No 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: 72:[71, 87], Operations: ['88-17=71', '71+16=87'] Exploring Operation: 87-71=16, Resulting Numbers: [16] 16,72 unequal: No Solution Exploring Operation: 71+87=158, Resulting Numbers: [158] 158,72 unequal: No Solution Exploring Operation: 71*87=6177, Resulting Numbers: [6177] 6177,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 11, 70, 71, 68 ]
93
[ "70-68=2", "11*2=22", "71+22=93" ]
Current State: 93:[11, 70, 71, 68], Operations: [] Exploring Operation: 70-68=2, Resulting Numbers: [11, 71, 2] Generated Node #2: [11, 71, 2] from Operation: 70-68=2 Current State: 93:[11, 71, 2], Operations: ['70-68=2'] Exploring Operation: 11*2=22, Resulting Numbers: [71, 22] Generated Node #3: [71, 22] from Operation: 11*2=22 Current State: 93:[71, 22], Operations: ['70-68=2', '11*2=22'] Exploring Operation: 71+22=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[11, 70, 71, 68], Operations: [] Exploring Operation: 70-68=2, Resulting Numbers: [11, 71, 2] Generated Node #0,0: 93:[11, 71, 2] Operation: 70-68=2 Exploring Operation: 71-68=3, Resulting Numbers: [11, 70, 3] Generated Node #0,1: 93:[11, 70, 3] Operation: 71-68=3 Exploring Operation: 71-70=1, Resulting Numbers: [11, 68, 1] Generated Node #0,2: 93:[11, 68, 1] Operation: 71-70=1 Moving to Node #0,0 Current State: 93:[11, 71, 2], Operations: ['70-68=2'] Exploring Operation: 11+71=82, Resulting Numbers: [2, 82] Generated Node #0,0,0: 93:[2, 82] Operation: 11+71=82 Exploring Operation: 71+2=73, Resulting Numbers: [11, 73] Generated Node #0,0,1: 93:[11, 73] Operation: 71+2=73 Exploring Operation: 11-2=9, Resulting Numbers: [71, 9] Generated Node #0,0,2: 93:[71, 9] Operation: 11-2=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[2, 82], Operations: ['70-68=2', '11+71=82'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,93 unequal: No Solution Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,93 unequal: No Solution Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 93:[11, 73], Operations: ['70-68=2', '71+2=73'] Exploring Operation: 11*73=803, Resulting Numbers: [803] 803,93 unequal: No Solution Exploring Operation: 73-11=62, Resulting Numbers: [62] 62,93 unequal: No Solution Exploring Operation: 11+73=84, Resulting Numbers: [84] 84,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 93:[71, 9], Operations: ['70-68=2', '11-2=9'] Exploring Operation: 71-9=62, Resulting Numbers: [62] 62,93 unequal: No Solution Exploring Operation: 71*9=639, Resulting Numbers: [639] 639,93 unequal: No Solution Exploring Operation: 71+9=80, Resulting Numbers: [80] 80,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 93:[11, 70, 3], Operations: ['71-68=3'] Exploring Operation: 11+70=81, Resulting Numbers: [3, 81] Generated Node #0,1,0: 93:[3, 81] Operation: 11+70=81 Exploring Operation: 70-11=59, Resulting Numbers: [3, 59] Generated Node #0,1,1: 93:[3, 59] Operation: 70-11=59 Exploring Operation: 11*3=33, Resulting Numbers: [70, 33] Generated Node #0,1,2: 93:[70, 33] Operation: 11*3=33 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[3, 81], Operations: ['71-68=3', '11+70=81'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,93 unequal: No Solution Exploring Operation: 3+81=84, Resulting Numbers: [84] 84,93 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,93 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 #0,1,2 Current State: 93:[70, 33], Operations: ['71-68=3', '11*3=33'] Exploring Operation: 70*33=2310, Resulting Numbers: [2310] 2310,93 unequal: No Solution Exploring Operation: 70+33=103, Resulting Numbers: [103] 103,93 unequal: No Solution Exploring Operation: 70-33=37, Resulting Numbers: [37] 37,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[3, 59], Operations: ['71-68=3', '70-11=59'] Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,93 unequal: No Solution Exploring Operation: 3*59=177, Resulting Numbers: [177] 177,93 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,93 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: 93:[11, 68, 1], Operations: ['71-70=1'] Exploring Operation: 68-11=57, Resulting Numbers: [1, 57] Generated Node #0,2,0: 93:[1, 57] Operation: 68-11=57 Exploring Operation: 11+68=79, Resulting Numbers: [1, 79] Generated Node #0,2,1: 93:[1, 79] Operation: 11+68=79 Exploring Operation: 11-1=10, Resulting Numbers: [68, 10] Generated Node #0,2,2: 93:[68, 10] Operation: 11-1=10 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[1, 79], Operations: ['71-70=1', '11+68=79'] Exploring Operation: 1*79=79, Resulting Numbers: [79] 79,93 unequal: No Solution Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,93 unequal: No Solution Exploring Operation: 1+79=80, Resulting Numbers: [80] 80,93 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 #0,2,0 Current State: 93:[1, 57], Operations: ['71-70=1', '68-11=57'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,93 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,93 unequal: No Solution Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,93 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 #0,2,2 Current State: 93:[68, 10], Operations: ['71-70=1', '11-1=10'] Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 68*10=680, Resulting Numbers: [680] 680,93 unequal: No Solution Exploring Operation: 68+10=78, Resulting Numbers: [78] 78,93 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
[ 3, 51, 79, 99 ]
15
[ "79-51=28", "3*28=84", "99-84=15" ]
Current State: 15:[3, 51, 79, 99], Operations: [] Exploring Operation: 79-51=28, Resulting Numbers: [3, 99, 28] Generated Node #2: [3, 99, 28] from Operation: 79-51=28 Current State: 15:[3, 99, 28], Operations: ['79-51=28'] Exploring Operation: 3*28=84, Resulting Numbers: [99, 84] Generated Node #3: [99, 84] from Operation: 3*28=84 Current State: 15:[99, 84], Operations: ['79-51=28', '3*28=84'] Exploring Operation: 99-84=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[3, 51, 79, 99], Operations: [] Exploring Operation: 99-79=20, Resulting Numbers: [3, 51, 20] Generated Node #0,0: 15:[3, 51, 20] Operation: 99-79=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[3, 51, 20], Operations: ['99-79=20'] Exploring Operation: 51/3=17, Resulting Numbers: [20, 17] Generated Node #0,0,0: 15:[20, 17] Operation: 51/3=17 Moving to Node #0,0,0 Current State: 15:[20, 17], Operations: ['99-79=20', '51/3=17'] Exploring Operation: 20-17=3, Resulting Numbers: [3] 3,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 54, 61, 5, 84 ]
89
[ "84-54=30", "5*30=150", "150-61=89" ]
Current State: 89:[54, 61, 5, 84], Operations: [] Exploring Operation: 84-54=30, Resulting Numbers: [61, 5, 30] Generated Node #2: [61, 5, 30] from Operation: 84-54=30 Current State: 89:[61, 5, 30], Operations: ['84-54=30'] Exploring Operation: 5*30=150, Resulting Numbers: [61, 150] Generated Node #3: [61, 150] from Operation: 5*30=150 Current State: 89:[61, 150], Operations: ['84-54=30', '5*30=150'] Exploring Operation: 150-61=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[54, 61, 5, 84], Operations: [] Exploring Operation: 61+5=66, Resulting Numbers: [54, 84, 66] Generated Node #0,0: 89:[54, 84, 66] Operation: 61+5=66 Exploring Operation: 5+84=89, Resulting Numbers: [54, 61, 89] Generated Node #0,1: 89:[54, 61, 89] Operation: 5+84=89 Exploring Operation: 54+5=59, Resulting Numbers: [61, 84, 59] Generated Node #0,2: 89:[61, 84, 59] Operation: 54+5=59 Moving to Node #0,0 Current State: 89:[54, 84, 66], Operations: ['61+5=66'] Exploring Operation: 54+66=120, Resulting Numbers: [84, 120] Generated Node #0,0,0: 89:[84, 120] Operation: 54+66=120 Exploring Operation: 54+84=138, Resulting Numbers: [66, 138] Generated Node #0,0,1: 89:[66, 138] Operation: 54+84=138 Exploring Operation: 84-54=30, Resulting Numbers: [66, 30] Generated Node #0,0,2: 89:[66, 30] Operation: 84-54=30 Moving to Node #0,1 Current State: 89:[54, 61, 89], Operations: ['5+84=89'] Exploring Operation: 54+89=143, Resulting Numbers: [61, 143] Generated Node #0,1,0: 89:[61, 143] Operation: 54+89=143 Exploring Operation: 61-54=7, Resulting Numbers: [89, 7] Generated Node #0,1,1: 89:[89, 7] Operation: 61-54=7 Exploring Operation: 54+61=115, Resulting Numbers: [89, 115] Generated Node #0,1,2: 89:[89, 115] Operation: 54+61=115 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[89, 115], Operations: ['5+84=89', '54+61=115'] Exploring Operation: 115-89=26, Resulting Numbers: [26] 26,89 unequal: No Solution Exploring Operation: 89+115=204, Resulting Numbers: [204] 204,89 unequal: No Solution Exploring Operation: 89*115=10235, Resulting Numbers: [10235] 10235,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[61, 143], Operations: ['5+84=89', '54+89=143'] Exploring Operation: 143-61=82, Resulting Numbers: [82] 82,89 unequal: No Solution Exploring Operation: 61*143=8723, Resulting Numbers: [8723] 8723,89 unequal: No Solution Exploring Operation: 61+143=204, Resulting Numbers: [204] 204,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[89, 7], Operations: ['5+84=89', '61-54=7'] Exploring Operation: 89-7=82, Resulting Numbers: [82] 82,89 unequal: No Solution Exploring Operation: 89+7=96, Resulting Numbers: [96] 96,89 unequal: No Solution Exploring Operation: 89*7=623, Resulting Numbers: [623] 623,89 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: 89:[61, 84, 59], Operations: ['54+5=59'] Exploring Operation: 61+84=145, Resulting Numbers: [59, 145] Generated Node #0,2,0: 89:[59, 145] Operation: 61+84=145 Exploring Operation: 61+59=120, Resulting Numbers: [84, 120] Generated Node #0,2,1: 89:[84, 120] Operation: 61+59=120 Exploring Operation: 84+59=143, Resulting Numbers: [61, 143] Generated Node #0,2,2: 89:[61, 143] Operation: 84+59=143 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[84, 120], Operations: ['54+5=59', '61+59=120'] Exploring Operation: 84*120=10080, Resulting Numbers: [10080] 10080,89 unequal: No Solution Exploring Operation: 120-84=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 84+120=204, Resulting Numbers: [204] 204,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 89:[61, 143], Operations: ['54+5=59', '84+59=143'] Exploring Operation: 61+143=204, Resulting Numbers: [204] 204,89 unequal: No Solution Exploring Operation: 143-61=82, Resulting Numbers: [82] 82,89 unequal: No Solution Exploring Operation: 61*143=8723, Resulting Numbers: [8723] 8723,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 89:[59, 145], Operations: ['54+5=59', '61+84=145'] Exploring Operation: 59+145=204, Resulting Numbers: [204] 204,89 unequal: No Solution Exploring Operation: 59*145=8555, Resulting Numbers: [8555] 8555,89 unequal: No Solution Exploring Operation: 145-59=86, Resulting Numbers: [86] 86,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 89:[84, 120], Operations: ['61+5=66', '54+66=120'] Exploring Operation: 120-84=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 84+120=204, Resulting Numbers: [204] 204,89 unequal: No Solution Exploring Operation: 84*120=10080, Resulting Numbers: [10080] 10080,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[66, 138], Operations: ['61+5=66', '54+84=138'] Exploring Operation: 138-66=72, Resulting Numbers: [72] 72,89 unequal: No Solution Exploring Operation: 66+138=204, Resulting Numbers: [204] 204,89 unequal: No Solution Exploring Operation: 66*138=9108, Resulting Numbers: [9108] 9108,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[66, 30], Operations: ['61+5=66', '84-54=30'] Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,89 unequal: No Solution Exploring Operation: 66*30=1980, Resulting Numbers: [1980] 1980,89 unequal: No Solution Exploring Operation: 66+30=96, Resulting Numbers: [96] 96,89 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 80, 4, 1, 61 ]
77
[ "80-61=19", "4*19=76", "1+76=77" ]
Current State: 77:[80, 4, 1, 61], Operations: [] Exploring Operation: 80-61=19, Resulting Numbers: [4, 1, 19] Generated Node #2: [4, 1, 19] from Operation: 80-61=19 Current State: 77:[4, 1, 19], Operations: ['80-61=19'] Exploring Operation: 4*19=76, Resulting Numbers: [1, 76] Generated Node #3: [1, 76] from Operation: 4*19=76 Current State: 77:[1, 76], Operations: ['80-61=19', '4*19=76'] Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[80, 4, 1, 61], Operations: [] Exploring Operation: 1+61=62, Resulting Numbers: [80, 4, 62] Generated Node #0,0: 77:[80, 4, 62] Operation: 1+61=62 Exploring Operation: 4+1=5, Resulting Numbers: [80, 61, 5] Generated Node #0,1: 77:[80, 61, 5] Operation: 4+1=5 Exploring Operation: 80-61=19, Resulting Numbers: [4, 1, 19] Generated Node #0,2: 77:[4, 1, 19] Operation: 80-61=19 Exploring Operation: 80-1=79, Resulting Numbers: [4, 61, 79] Generated Node #0,3: 77:[4, 61, 79] Operation: 80-1=79 Exploring Operation: 4+61=65, Resulting Numbers: [80, 1, 65] Generated Node #0,4: 77:[80, 1, 65] Operation: 4+61=65 Start Sub Search at level 1: Moving to Node #0,2 Current State: 77:[4, 1, 19], Operations: ['80-61=19'] Exploring Operation: 4+1=5, Resulting Numbers: [19, 5] Generated Node #0,2,0: 77:[19, 5] Operation: 4+1=5 Exploring Operation: 4*19=76, Resulting Numbers: [1, 76] Generated Node #0,2,1: 77:[1, 76] Operation: 4*19=76 Exploring Operation: 4*1=4, Resulting Numbers: [19, 4] Generated Node #0,2,2: 77:[19, 4] Operation: 4*1=4 Exploring Operation: 19-4=15, Resulting Numbers: [1, 15] Generated Node #0,2,3: 77:[1, 15] Operation: 19-4=15 Exploring Operation: 19-1=18, Resulting Numbers: [4, 18] Generated Node #0,2,4: 77:[4, 18] Operation: 19-1=18 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 77:[1, 76], Operations: ['80-61=19', '4*19=76'] Exploring Operation: 1*76=76, Resulting Numbers: [76] 76,77 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,77 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,77 unequal: No Solution Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[80, 4, 1, 61], Operations: [] Exploring Operation: 80-61=19, Resulting Numbers: [4, 1, 19] Generated Node #0,2: 77:[4, 1, 19] Operation: 80-61=19 Moving to Node #0,2 Current State: 77:[4, 1, 19], Operations: ['80-61=19'] Exploring Operation: 4*19=76, Resulting Numbers: [1, 76] Generated Node #0,2,1: 77:[1, 76] Operation: 4*19=76 Moving to Node #0,2,1 Current State: 77:[1, 76], Operations: ['80-61=19', '4*19=76'] Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 41, 87, 4, 78 ]
31
[ "87-41=46", "78+46=124", "124/4=31" ]
Current State: 31:[41, 87, 4, 78], Operations: [] Exploring Operation: 87-41=46, Resulting Numbers: [4, 78, 46] Generated Node #2: [4, 78, 46] from Operation: 87-41=46 Current State: 31:[4, 78, 46], Operations: ['87-41=46'] Exploring Operation: 78+46=124, Resulting Numbers: [4, 124] Generated Node #3: [4, 124] from Operation: 78+46=124 Current State: 31:[4, 124], Operations: ['87-41=46', '78+46=124'] Exploring Operation: 124/4=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[41, 87, 4, 78], Operations: [] Exploring Operation: 87-41=46, Resulting Numbers: [4, 78, 46] Generated Node #0,0: 31:[4, 78, 46] Operation: 87-41=46 Exploring Operation: 41-4=37, Resulting Numbers: [87, 78, 37] Generated Node #0,1: 31:[87, 78, 37] Operation: 41-4=37 Exploring Operation: 87-4=83, Resulting Numbers: [41, 78, 83] Generated Node #0,2: 31:[41, 78, 83] Operation: 87-4=83 Exploring Operation: 78-41=37, Resulting Numbers: [87, 4, 37] Generated Node #0,3: 31:[87, 4, 37] Operation: 78-41=37 Exploring Operation: 87-78=9, Resulting Numbers: [41, 4, 9] Generated Node #0,4: 31:[41, 4, 9] Operation: 87-78=9 Start Sub Search at level 1: Moving to Node #0,4 Current State: 31:[41, 4, 9], Operations: ['87-78=9'] Exploring Operation: 41+4=45, Resulting Numbers: [9, 45] Generated Node #0,4,0: 31:[9, 45] Operation: 41+4=45 Exploring Operation: 41-9=32, Resulting Numbers: [4, 32] Generated Node #0,4,1: 31:[4, 32] Operation: 41-9=32 Exploring Operation: 4*9=36, Resulting Numbers: [41, 36] Generated Node #0,4,2: 31:[41, 36] Operation: 4*9=36 Exploring Operation: 41-4=37, Resulting Numbers: [9, 37] Generated Node #0,4,3: 31:[9, 37] Operation: 41-4=37 Exploring Operation: 4+9=13, Resulting Numbers: [41, 13] Generated Node #0,4,4: 31:[41, 13] Operation: 4+9=13 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 31:[41, 36], Operations: ['87-78=9', '4*9=36'] Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,31 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 31:[4, 32], Operations: ['87-78=9', '41-9=32'] Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,31 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 31:[9, 37], Operations: ['87-78=9', '41-4=37'] Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 9+37=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 9*37=333, Resulting Numbers: [333] 333,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 31:[41, 13], Operations: ['87-78=9', '4+9=13'] Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 41*13=533, Resulting Numbers: [533] 533,31 unequal: No Solution Exploring Operation: 41+13=54, Resulting Numbers: [54] 54,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 31:[9, 45], Operations: ['87-78=9', '41+4=45'] Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 9*45=405, Resulting Numbers: [405] 405,31 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 9+45=54, Resulting Numbers: [54] 54,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[4, 78, 46], Operations: ['87-41=46'] Exploring Operation: 78-46=32, Resulting Numbers: [4, 32] Generated Node #0,0,0: 31:[4, 32] Operation: 78-46=32 Exploring Operation: 78-4=74, Resulting Numbers: [46, 74] Generated Node #0,0,1: 31:[46, 74] Operation: 78-4=74 Exploring Operation: 4+78=82, Resulting Numbers: [46, 82] Generated Node #0,0,2: 31:[46, 82] Operation: 4+78=82 Exploring Operation: 46-4=42, Resulting Numbers: [78, 42] Generated Node #0,0,3: 31:[78, 42] Operation: 46-4=42 Exploring Operation: 4+46=50, Resulting Numbers: [78, 50] Generated Node #0,0,4: 31:[78, 50] Operation: 4+46=50 Moving to Node #0,0,0 Current State: 31:[4, 32], Operations: ['87-41=46', '78-46=32'] Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,31 unequal: No Solution Moving to Node #0,0,3 Current State: 31:[78, 42], Operations: ['87-41=46', '46-4=42'] Exploring Operation: 78+42=120, Resulting Numbers: [120] 120,31 unequal: No Solution Exploring Operation: 78-42=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 78*42=3276, Resulting Numbers: [3276] 3276,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[46, 74], Operations: ['87-41=46', '78-4=74'] Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,31 unequal: No Solution Exploring Operation: 46*74=3404, Resulting Numbers: [3404] 3404,31 unequal: No Solution Exploring Operation: 46+74=120, Resulting Numbers: [120] 120,31 unequal: No Solution Moving to Node #0,0,2 Current State: 31:[46, 82], Operations: ['87-41=46', '4+78=82'] Exploring Operation: 46*82=3772, Resulting Numbers: [3772] 3772,31 unequal: No Solution Exploring Operation: 82-46=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 46+82=128, Resulting Numbers: [128] 128,31 unequal: No Solution Moving to Node #0,0,4 Current State: 31:[78, 50], Operations: ['87-41=46', '4+46=50'] Exploring Operation: 78+50=128, Resulting Numbers: [128] 128,31 unequal: No Solution Exploring Operation: 78*50=3900, Resulting Numbers: [3900] 3900,31 unequal: No Solution Exploring Operation: 78-50=28, Resulting Numbers: [28] 28,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 31:[87, 4, 37], Operations: ['78-41=37'] Exploring Operation: 87-37=50, Resulting Numbers: [4, 50] Generated Node #0,3,0: 31:[4, 50] Operation: 87-37=50 Exploring Operation: 87+4=91, Resulting Numbers: [37, 91] Generated Node #0,3,1: 31:[37, 91] Operation: 87+4=91 Exploring Operation: 87-4=83, Resulting Numbers: [37, 83] Generated Node #0,3,2: 31:[37, 83] Operation: 87-4=83 Exploring Operation: 4+37=41, Resulting Numbers: [87, 41] Generated Node #0,3,3: 31:[87, 41] Operation: 4+37=41 Exploring Operation: 37-4=33, Resulting Numbers: [87, 33] Generated Node #0,3,4: 31:[87, 33] Operation: 37-4=33 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 31:[4, 50], Operations: ['78-41=37', '87-37=50'] Exploring Operation: 4*50=200, Resulting Numbers: [200] 200,31 unequal: No Solution Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 31:[37, 83], Operations: ['78-41=37', '87-4=83'] Exploring Operation: 37*83=3071, Resulting Numbers: [3071] 3071,31 unequal: No Solution Exploring Operation: 83-37=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 37+83=120, Resulting Numbers: [120] 120,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 31:[87, 33], Operations: ['78-41=37', '37-4=33'] Exploring Operation: 87*33=2871, Resulting Numbers: [2871] 2871,31 unequal: No Solution Exploring Operation: 87-33=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 87+33=120, Resulting Numbers: [120] 120,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 31:[37, 91], Operations: ['78-41=37', '87+4=91'] Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 37+91=128, Resulting Numbers: [128] 128,31 unequal: No Solution Exploring Operation: 37*91=3367, Resulting Numbers: [3367] 3367,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 31:[87, 41], Operations: ['78-41=37', '4+37=41'] Exploring Operation: 87-41=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 87*41=3567, Resulting Numbers: [3567] 3567,31 unequal: No Solution Exploring Operation: 87+41=128, Resulting Numbers: [128] 128,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[87, 78, 37], Operations: ['41-4=37'] Exploring Operation: 87+37=124, Resulting Numbers: [78, 124] Generated Node #0,1,0: 31:[78, 124] Operation: 87+37=124 Exploring Operation: 87-37=50, Resulting Numbers: [78, 50] Generated Node #0,1,1: 31:[78, 50] Operation: 87-37=50 Exploring Operation: 78-37=41, Resulting Numbers: [87, 41] Generated Node #0,1,2: 31:[87, 41] Operation: 78-37=41 Exploring Operation: 87+78=165, Resulting Numbers: [37, 165] Generated Node #0,1,3: 31:[37, 165] Operation: 87+78=165 Exploring Operation: 87-78=9, Resulting Numbers: [37, 9] Generated Node #0,1,4: 31:[37, 9] Operation: 87-78=9 Moving to Node #0,1,4 Current State: 31:[37, 9], Operations: ['41-4=37', '87-78=9'] Exploring Operation: 37+9=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 37*9=333, Resulting Numbers: [333] 333,31 unequal: No Solution Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[87, 41], Operations: ['41-4=37', '78-37=41'] Exploring Operation: 87-41=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 87+41=128, Resulting Numbers: [128] 128,31 unequal: No Solution Exploring Operation: 87*41=3567, Resulting Numbers: [3567] 3567,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[78, 50], Operations: ['41-4=37', '87-37=50'] Exploring Operation: 78+50=128, Resulting Numbers: [128] 128,31 unequal: No Solution Exploring Operation: 78*50=3900, Resulting Numbers: [3900] 3900,31 unequal: No Solution Exploring Operation: 78-50=28, Resulting Numbers: [28] 28,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[78, 124], Operations: ['41-4=37', '87+37=124'] Exploring Operation: 78*124=9672, Resulting Numbers: [9672] 9672,31 unequal: No Solution Exploring Operation: 124-78=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 78+124=202, Resulting Numbers: [202] 202,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[37, 165], Operations: ['41-4=37', '87+78=165'] Exploring Operation: 37+165=202, Resulting Numbers: [202] 202,31 unequal: No Solution Exploring Operation: 37*165=6105, Resulting Numbers: [6105] 6105,31 unequal: No Solution Exploring Operation: 165-37=128, Resulting Numbers: [128] 128,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[41, 78, 83], Operations: ['87-4=83'] Exploring Operation: 78-41=37, Resulting Numbers: [83, 37] Generated Node #0,2,0: 31:[83, 37] Operation: 78-41=37 Exploring Operation: 83-41=42, Resulting Numbers: [78, 42] Generated Node #0,2,1: 31:[78, 42] Operation: 83-41=42 Exploring Operation: 41+78=119, Resulting Numbers: [83, 119] Generated Node #0,2,2: 31:[83, 119] Operation: 41+78=119 Exploring Operation: 83-78=5, Resulting Numbers: [41, 5] Generated Node #0,2,3: 31:[41, 5] Operation: 83-78=5 Exploring Operation: 41+83=124, Resulting Numbers: [78, 124] Generated Node #0,2,4: 31:[78, 124] Operation: 41+83=124 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 31:[41, 5], Operations: ['87-4=83', '83-78=5'] Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 31:[83, 37], Operations: ['87-4=83', '78-41=37'] Exploring Operation: 83-37=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 83*37=3071, Resulting Numbers: [3071] 3071,31 unequal: No Solution Exploring Operation: 83+37=120, Resulting Numbers: [120] 120,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 31:[78, 42], Operations: ['87-4=83', '83-41=42'] Exploring Operation: 78*42=3276, Resulting Numbers: [3276] 3276,31 unequal: No Solution Exploring Operation: 78-42=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 78+42=120, Resulting Numbers: [120] 120,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 31:[83, 119], Operations: ['87-4=83', '41+78=119'] Exploring Operation: 83*119=9877, Resulting Numbers: [9877] 9877,31 unequal: No Solution Exploring Operation: 119-83=36, Resulting Numbers: [36] 36,31 unequal: No Solution Exploring Operation: 83+119=202, Resulting Numbers: [202] 202,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 31:[78, 124], Operations: ['87-4=83', '41+83=124'] Exploring Operation: 78+124=202, Resulting Numbers: [202] 202,31 unequal: No Solution Exploring Operation: 78*124=9672, Resulting Numbers: [9672] 9672,31 unequal: No Solution Exploring Operation: 124-78=46, Resulting Numbers: [46] 46,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 85, 10, 51, 53 ]
77
[ "85-10=75", "53-51=2", "75+2=77" ]
Current State: 77:[85, 10, 51, 53], Operations: [] Exploring Operation: 85-10=75, Resulting Numbers: [51, 53, 75] Generated Node #2: [51, 53, 75] from Operation: 85-10=75 Current State: 77:[51, 53, 75], Operations: ['85-10=75'] Exploring Operation: 53-51=2, Resulting Numbers: [75, 2] Generated Node #3: [75, 2] from Operation: 53-51=2 Current State: 77:[75, 2], Operations: ['85-10=75', '53-51=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[85, 10, 51, 53], Operations: [] Exploring Operation: 10+51=61, Resulting Numbers: [85, 53, 61] Generated Node #0,0: 77:[85, 53, 61] Operation: 10+51=61 Exploring Operation: 51+53=104, Resulting Numbers: [85, 10, 104] Generated Node #0,1: 77:[85, 10, 104] Operation: 51+53=104 Exploring Operation: 53-51=2, Resulting Numbers: [85, 10, 2] Generated Node #0,2: 77:[85, 10, 2] Operation: 53-51=2 Exploring Operation: 85-51=34, Resulting Numbers: [10, 53, 34] Generated Node #0,3: 77:[10, 53, 34] Operation: 85-51=34 Exploring Operation: 85-53=32, Resulting Numbers: [10, 51, 32] Generated Node #0,4: 77:[10, 51, 32] Operation: 85-53=32 Moving to Node #0,2 Current State: 77:[85, 10, 2], Operations: ['53-51=2'] Exploring Operation: 85-10=75, Resulting Numbers: [2, 75] Generated Node #0,2,0: 77:[2, 75] Operation: 85-10=75 Exploring Operation: 85-2=83, Resulting Numbers: [10, 83] Generated Node #0,2,1: 77:[10, 83] Operation: 85-2=83 Exploring Operation: 10+2=12, Resulting Numbers: [85, 12] Generated Node #0,2,2: 77:[85, 12] Operation: 10+2=12 Exploring Operation: 10/2=5, Resulting Numbers: [85, 5] Generated Node #0,2,3: 77:[85, 5] Operation: 10/2=5 Exploring Operation: 10-2=8, Resulting Numbers: [85, 8] Generated Node #0,2,4: 77:[85, 8] Operation: 10-2=8 Moving to Node #0,1 Current State: 77:[85, 10, 104], Operations: ['51+53=104'] Exploring Operation: 85-10=75, Resulting Numbers: [104, 75] Generated Node #0,1,0: 77:[104, 75] Operation: 85-10=75 Exploring Operation: 104-85=19, Resulting Numbers: [10, 19] Generated Node #0,1,1: 77:[10, 19] Operation: 104-85=19 Exploring Operation: 10+104=114, Resulting Numbers: [85, 114] Generated Node #0,1,2: 77:[85, 114] Operation: 10+104=114 Exploring Operation: 104-10=94, Resulting Numbers: [85, 94] Generated Node #0,1,3: 77:[85, 94] Operation: 104-10=94 Exploring Operation: 85+10=95, Resulting Numbers: [104, 95] Generated Node #0,1,4: 77:[104, 95] Operation: 85+10=95 Moving to Node #0,0 Current State: 77:[85, 53, 61], Operations: ['10+51=61'] Exploring Operation: 53+61=114, Resulting Numbers: [85, 114] Generated Node #0,0,0: 77:[85, 114] Operation: 53+61=114 Exploring Operation: 85-53=32, Resulting Numbers: [61, 32] Generated Node #0,0,1: 77:[61, 32] Operation: 85-53=32 Exploring Operation: 61-53=8, Resulting Numbers: [85, 8] Generated Node #0,0,2: 77:[85, 8] Operation: 61-53=8 Exploring Operation: 85+53=138, Resulting Numbers: [61, 138] Generated Node #0,0,3: 77:[61, 138] Operation: 85+53=138 Exploring Operation: 85-61=24, Resulting Numbers: [53, 24] Generated Node #0,0,4: 77:[53, 24] Operation: 85-61=24 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[85, 8], Operations: ['10+51=61', '61-53=8'] Exploring Operation: 85*8=680, Resulting Numbers: [680] 680,77 unequal: No Solution Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[85, 10, 51, 53], Operations: [] Exploring Operation: 10+51=61, Resulting Numbers: [85, 53, 61] Generated Node #0,0: 77:[85, 53, 61] Operation: 10+51=61 Moving to Node #0,0 Current State: 77:[85, 53, 61], Operations: ['10+51=61'] Exploring Operation: 61-53=8, Resulting Numbers: [85, 8] Generated Node #0,0,2: 77:[85, 8] Operation: 61-53=8 Moving to Node #0,0,2 Current State: 77:[85, 8], Operations: ['10+51=61', '61-53=8'] Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
sum_heuristic
[ 35, 90, 12, 98 ]
55
[ "90-35=55", "12+98=110", "110-55=55" ]
Current State: 55:[35, 90, 12, 98], Operations: [] Exploring Operation: 90-35=55, Resulting Numbers: [12, 98, 55] Generated Node #2: [12, 98, 55] from Operation: 90-35=55 Current State: 55:[12, 98, 55], Operations: ['90-35=55'] Exploring Operation: 12+98=110, Resulting Numbers: [55, 110] Generated Node #3: [55, 110] from Operation: 12+98=110 Current State: 55:[55, 110], Operations: ['90-35=55', '12+98=110'] Exploring Operation: 110-55=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[35, 90, 12, 98], Operations: [] Exploring Operation: 98-90=8, Resulting Numbers: [35, 12, 8] Generated Node #0,0: 55:[35, 12, 8] Operation: 98-90=8 Exploring Operation: 90-35=55, Resulting Numbers: [12, 98, 55] Generated Node #0,1: 55:[12, 98, 55] Operation: 90-35=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[35, 12, 8], Operations: ['98-90=8'] Exploring Operation: 35+8=43, Resulting Numbers: [12, 43] Generated Node #0,0,0: 55:[12, 43] Operation: 35+8=43 Exploring Operation: 35+12=47, Resulting Numbers: [8, 47] Generated Node #0,0,1: 55:[8, 47] Operation: 35+12=47 Moving to Node #0,0,1 Current State: 55:[8, 47], Operations: ['98-90=8', '35+12=47'] Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[35, 90, 12, 98], Operations: [] Exploring Operation: 98-90=8, Resulting Numbers: [35, 12, 8] Generated Node #0,0: 55:[35, 12, 8] Operation: 98-90=8 Moving to Node #0,0 Current State: 55:[35, 12, 8], Operations: ['98-90=8'] Exploring Operation: 35+12=47, Resulting Numbers: [8, 47] Generated Node #0,0,1: 55:[8, 47] Operation: 35+12=47 Moving to Node #0,0,1 Current State: 55:[8, 47], Operations: ['98-90=8', '35+12=47'] Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 44, 18, 44, 36 ]
17
[ "44/44=1", "36-18=18", "18-1=17" ]
Current State: 17:[44, 18, 44, 36], Operations: [] Exploring Operation: 44/44=1, Resulting Numbers: [18, 36, 1] Generated Node #2: [18, 36, 1] from Operation: 44/44=1 Current State: 17:[18, 36, 1], Operations: ['44/44=1'] Exploring Operation: 36-18=18, Resulting Numbers: [1, 18] Generated Node #3: [1, 18] from Operation: 36-18=18 Current State: 17:[1, 18], Operations: ['44/44=1', '36-18=18'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[44, 18, 44, 36], Operations: [] Exploring Operation: 44-44=0, Resulting Numbers: [18, 36, 0] Generated Node #0,0: 17:[18, 36, 0] Operation: 44-44=0 Exploring Operation: 44/44=1, Resulting Numbers: [18, 36, 1] Generated Node #0,1: 17:[18, 36, 1] Operation: 44/44=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 17:[18, 36, 1], Operations: ['44/44=1'] Exploring Operation: 18-1=17, Resulting Numbers: [36, 17] Generated Node #0,1,0: 17:[36, 17] Operation: 18-1=17 Exploring Operation: 36-18=18, Resulting Numbers: [1, 18] Generated Node #0,1,1: 17:[1, 18] Operation: 36-18=18 Moving to Node #0,1,1 Current State: 17:[1, 18], Operations: ['44/44=1', '36-18=18'] Exploring Operation: 1*18=18, Resulting Numbers: [18] 18,17 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[44, 18, 44, 36], Operations: [] Exploring Operation: 44/44=1, Resulting Numbers: [18, 36, 1] Generated Node #0,1: 17:[18, 36, 1] Operation: 44/44=1 Moving to Node #0,1 Current State: 17:[18, 36, 1], Operations: ['44/44=1'] Exploring Operation: 36-18=18, Resulting Numbers: [1, 18] Generated Node #0,1,1: 17:[1, 18] Operation: 36-18=18 Moving to Node #0,1,1 Current State: 17:[1, 18], Operations: ['44/44=1', '36-18=18'] Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 19, 37, 77, 2 ]
99
[ "77-37=40", "2*40=80", "19+80=99" ]
Current State: 99:[19, 37, 77, 2], Operations: [] Exploring Operation: 77-37=40, Resulting Numbers: [19, 2, 40] Generated Node #2: [19, 2, 40] from Operation: 77-37=40 Current State: 99:[19, 2, 40], Operations: ['77-37=40'] Exploring Operation: 2*40=80, Resulting Numbers: [19, 80] Generated Node #3: [19, 80] from Operation: 2*40=80 Current State: 99:[19, 80], Operations: ['77-37=40', '2*40=80'] Exploring Operation: 19+80=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[19, 37, 77, 2], Operations: [] Exploring Operation: 19+77=96, Resulting Numbers: [37, 2, 96] Generated Node #0,0: 99:[37, 2, 96] Operation: 19+77=96 Moving to Node #0,0 Current State: 99:[37, 2, 96], Operations: ['19+77=96'] Exploring Operation: 37-2=35, Resulting Numbers: [96, 35] Generated Node #0,0,0: 99:[96, 35] Operation: 37-2=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[96, 35], Operations: ['19+77=96', '37-2=35'] Exploring Operation: 96-35=61, Resulting Numbers: [61] 61,99 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, 11, 19, 97 ]
75
[ "33/11=3", "97-19=78", "78-3=75" ]
Current State: 75:[33, 11, 19, 97], Operations: [] Exploring Operation: 33/11=3, Resulting Numbers: [19, 97, 3] Generated Node #2: [19, 97, 3] from Operation: 33/11=3 Current State: 75:[19, 97, 3], Operations: ['33/11=3'] Exploring Operation: 97-19=78, Resulting Numbers: [3, 78] Generated Node #3: [3, 78] from Operation: 97-19=78 Current State: 75:[3, 78], Operations: ['33/11=3', '97-19=78'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[33, 11, 19, 97], Operations: [] Exploring Operation: 33-19=14, Resulting Numbers: [11, 97, 14] Generated Node #0,0: 75:[11, 97, 14] Operation: 33-19=14 Exploring Operation: 33/11=3, Resulting Numbers: [19, 97, 3] Generated Node #0,1: 75:[19, 97, 3] Operation: 33/11=3 Exploring Operation: 97-19=78, Resulting Numbers: [33, 11, 78] Generated Node #0,2: 75:[33, 11, 78] Operation: 97-19=78 Exploring Operation: 97-33=64, Resulting Numbers: [11, 19, 64] Generated Node #0,3: 75:[11, 19, 64] Operation: 97-33=64 Exploring Operation: 97-11=86, Resulting Numbers: [33, 19, 86] Generated Node #0,4: 75:[33, 19, 86] Operation: 97-11=86 Moving to Node #0,2 Current State: 75:[33, 11, 78], Operations: ['97-19=78'] Exploring Operation: 33+11=44, Resulting Numbers: [78, 44] Generated Node #0,2,0: 75:[78, 44] Operation: 33+11=44 Exploring Operation: 33/11=3, Resulting Numbers: [78, 3] Generated Node #0,2,1: 75:[78, 3] Operation: 33/11=3 Exploring Operation: 11+78=89, Resulting Numbers: [33, 89] Generated Node #0,2,2: 75:[33, 89] Operation: 11+78=89 Exploring Operation: 78-11=67, Resulting Numbers: [33, 67] Generated Node #0,2,3: 75:[33, 67] Operation: 78-11=67 Exploring Operation: 33-11=22, Resulting Numbers: [78, 22] Generated Node #0,2,4: 75:[78, 22] Operation: 33-11=22 Moving to Node #0,3 Current State: 75:[11, 19, 64], Operations: ['97-33=64'] Exploring Operation: 64-19=45, Resulting Numbers: [11, 45] Generated Node #0,3,0: 75:[11, 45] Operation: 64-19=45 Exploring Operation: 19+64=83, Resulting Numbers: [11, 83] Generated Node #0,3,1: 75:[11, 83] Operation: 19+64=83 Exploring Operation: 11+64=75, Resulting Numbers: [19, 75] Generated Node #0,3,2: 75:[19, 75] Operation: 11+64=75 Exploring Operation: 19-11=8, Resulting Numbers: [64, 8] Generated Node #0,3,3: 75:[64, 8] Operation: 19-11=8 Exploring Operation: 11+19=30, Resulting Numbers: [64, 30] Generated Node #0,3,4: 75:[64, 30] Operation: 11+19=30 Moving to Node #0,4 Current State: 75:[33, 19, 86], Operations: ['97-11=86'] Exploring Operation: 86-33=53, Resulting Numbers: [19, 53] Generated Node #0,4,0: 75:[19, 53] Operation: 86-33=53 Exploring Operation: 33+19=52, Resulting Numbers: [86, 52] Generated Node #0,4,1: 75:[86, 52] Operation: 33+19=52 Exploring Operation: 86-19=67, Resulting Numbers: [33, 67] Generated Node #0,4,2: 75:[33, 67] Operation: 86-19=67 Exploring Operation: 33-19=14, Resulting Numbers: [86, 14] Generated Node #0,4,3: 75:[86, 14] Operation: 33-19=14 Exploring Operation: 19+86=105, Resulting Numbers: [33, 105] Generated Node #0,4,4: 75:[33, 105] Operation: 19+86=105 Moving to Node #0,1 Current State: 75:[19, 97, 3], Operations: ['33/11=3'] Exploring Operation: 19+3=22, Resulting Numbers: [97, 22] Generated Node #0,1,0: 75:[97, 22] Operation: 19+3=22 Exploring Operation: 97+3=100, Resulting Numbers: [19, 100] Generated Node #0,1,1: 75:[19, 100] Operation: 97+3=100 Exploring Operation: 97-19=78, Resulting Numbers: [3, 78] Generated Node #0,1,2: 75:[3, 78] Operation: 97-19=78 Exploring Operation: 19-3=16, Resulting Numbers: [97, 16] Generated Node #0,1,3: 75:[97, 16] Operation: 19-3=16 Exploring Operation: 97-3=94, Resulting Numbers: [19, 94] Generated Node #0,1,4: 75:[19, 94] Operation: 97-3=94 Moving to Node #0,0 Current State: 75:[11, 97, 14], Operations: ['33-19=14'] Exploring Operation: 11+97=108, Resulting Numbers: [14, 108] Generated Node #0,0,0: 75:[14, 108] Operation: 11+97=108 Exploring Operation: 97-14=83, Resulting Numbers: [11, 83] Generated Node #0,0,1: 75:[11, 83] Operation: 97-14=83 Exploring Operation: 11+14=25, Resulting Numbers: [97, 25] Generated Node #0,0,2: 75:[97, 25] Operation: 11+14=25 Exploring Operation: 97-11=86, Resulting Numbers: [14, 86] Generated Node #0,0,3: 75:[14, 86] Operation: 97-11=86 Exploring Operation: 14-11=3, Resulting Numbers: [97, 3] Generated Node #0,0,4: 75:[97, 3] Operation: 14-11=3 Moving to Node #0,2,1 Current State: 75:[78, 3], Operations: ['97-19=78', '33/11=3'] Exploring Operation: 78+3=81, Resulting Numbers: [81] 81,75 unequal: No Solution Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[33, 11, 19, 97], Operations: [] Exploring Operation: 97-19=78, Resulting Numbers: [33, 11, 78] Generated Node #0,2: 75:[33, 11, 78] Operation: 97-19=78 Moving to Node #0,2 Current State: 75:[33, 11, 78], Operations: ['97-19=78'] Exploring Operation: 33/11=3, Resulting Numbers: [78, 3] Generated Node #0,2,1: 75:[78, 3] Operation: 33/11=3 Moving to Node #0,2,1 Current State: 75:[78, 3], Operations: ['97-19=78', '33/11=3'] Exploring Operation: 78-3=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
0.96875
hs_5
mult_heuristic
[ 2, 17, 9, 15 ]
65
[ "9+15=24", "2*24=48", "17+48=65" ]
Current State: 65:[2, 17, 9, 15], Operations: [] Exploring Operation: 9+15=24, Resulting Numbers: [2, 17, 24] Generated Node #2: [2, 17, 24] from Operation: 9+15=24 Current State: 65:[2, 17, 24], Operations: ['9+15=24'] Exploring Operation: 2*24=48, Resulting Numbers: [17, 48] Generated Node #3: [17, 48] from Operation: 2*24=48 Current State: 65:[17, 48], Operations: ['9+15=24', '2*24=48'] Exploring Operation: 17+48=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[2, 17, 9, 15], Operations: [] Exploring Operation: 17-2=15, Resulting Numbers: [9, 15, 15] Generated Node #0,0: 65:[9, 15, 15] Operation: 17-2=15 Moving to Node #0,0 Current State: 65:[9, 15, 15], Operations: ['17-2=15'] Exploring Operation: 15-9=6, Resulting Numbers: [15, 6] Generated Node #0,0,0: 65:[15, 6] Operation: 15-9=6 Moving to Node #0,0,0 Current State: 65:[15, 6], Operations: ['17-2=15', '15-9=6'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,65 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 34, 68, 14, 39 ]
19
[ "68-34=34", "14+39=53", "53-34=19" ]
Current State: 19:[34, 68, 14, 39], Operations: [] Exploring Operation: 68-34=34, Resulting Numbers: [14, 39, 34] Generated Node #2: [14, 39, 34] from Operation: 68-34=34 Current State: 19:[14, 39, 34], Operations: ['68-34=34'] Exploring Operation: 14+39=53, Resulting Numbers: [34, 53] Generated Node #3: [34, 53] from Operation: 14+39=53 Current State: 19:[34, 53], Operations: ['68-34=34', '14+39=53'] Exploring Operation: 53-34=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[34, 68, 14, 39], Operations: [] Exploring Operation: 68-34=34, Resulting Numbers: [14, 39, 34] Generated Node #0,0: 19:[14, 39, 34] Operation: 68-34=34 Exploring Operation: 68-39=29, Resulting Numbers: [34, 14, 29] Generated Node #0,1: 19:[34, 14, 29] Operation: 68-39=29 Moving to Node #0,1 Current State: 19:[34, 14, 29], Operations: ['68-39=29'] Exploring Operation: 34-29=5, Resulting Numbers: [14, 5] Generated Node #0,1,0: 19:[14, 5] Operation: 34-29=5 Exploring Operation: 34-14=20, Resulting Numbers: [29, 20] Generated Node #0,1,1: 19:[29, 20] Operation: 34-14=20 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 19:[29, 20], Operations: ['68-39=29', '34-14=20'] Exploring Operation: 29-20=9, Resulting Numbers: [9] 9,19 unequal: No Solution Exploring Operation: 29+20=49, Resulting Numbers: [49] 49,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 19:[14, 5], Operations: ['68-39=29', '34-29=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[34, 68, 14, 39], Operations: [] Exploring Operation: 68-39=29, Resulting Numbers: [34, 14, 29] Generated Node #0,1: 19:[34, 14, 29] Operation: 68-39=29 Moving to Node #0,1 Current State: 19:[34, 14, 29], Operations: ['68-39=29'] Exploring Operation: 34-29=5, Resulting Numbers: [14, 5] Generated Node #0,1,0: 19:[14, 5] Operation: 34-29=5 Moving to Node #0,1,0 Current State: 19:[14, 5], Operations: ['68-39=29', '34-29=5'] Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 30, 52, 44, 50 ]
58
[ "52-50=2", "44*2=88", "88-30=58" ]
Current State: 58:[30, 52, 44, 50], Operations: [] Exploring Operation: 52-50=2, Resulting Numbers: [30, 44, 2] Generated Node #2: [30, 44, 2] from Operation: 52-50=2 Current State: 58:[30, 44, 2], Operations: ['52-50=2'] Exploring Operation: 44*2=88, Resulting Numbers: [30, 88] Generated Node #3: [30, 88] from Operation: 44*2=88 Current State: 58:[30, 88], Operations: ['52-50=2', '44*2=88'] Exploring Operation: 88-30=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[30, 52, 44, 50], Operations: [] Exploring Operation: 44-30=14, Resulting Numbers: [52, 50, 14] Generated Node #0,0: 58:[52, 50, 14] Operation: 44-30=14 Exploring Operation: 52-44=8, Resulting Numbers: [30, 50, 8] Generated Node #0,1: 58:[30, 50, 8] Operation: 52-44=8 Exploring Operation: 50-44=6, Resulting Numbers: [30, 52, 6] Generated Node #0,2: 58:[30, 52, 6] Operation: 50-44=6 Exploring Operation: 52-50=2, Resulting Numbers: [30, 44, 2] Generated Node #0,3: 58:[30, 44, 2] Operation: 52-50=2 Moving to Node #0,2 Current State: 58:[30, 52, 6], Operations: ['50-44=6'] Exploring Operation: 52+6=58, Resulting Numbers: [30, 58] Generated Node #0,2,0: 58:[30, 58] Operation: 52+6=58 Exploring Operation: 52-30=22, Resulting Numbers: [6, 22] Generated Node #0,2,1: 58:[6, 22] Operation: 52-30=22 Exploring Operation: 30/6=5, Resulting Numbers: [52, 5] Generated Node #0,2,2: 58:[52, 5] Operation: 30/6=5 Exploring Operation: 30-6=24, Resulting Numbers: [52, 24] Generated Node #0,2,3: 58:[52, 24] Operation: 30-6=24 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 58:[30, 58], Operations: ['50-44=6', '52+6=58'] Exploring Operation: 30*58=1740, Resulting Numbers: [1740] 1740,58 unequal: No Solution Exploring Operation: 30+58=88, Resulting Numbers: [88] 88,58 unequal: No Solution Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 58:[52, 5], Operations: ['50-44=6', '30/6=5'] Exploring Operation: 52*5=260, Resulting Numbers: [260] 260,58 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,58 unequal: No Solution Exploring Operation: 52+5=57, Resulting Numbers: [57] 57,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 58:[6, 22], Operations: ['50-44=6', '52-30=22'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,58 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 58:[52, 24], Operations: ['50-44=6', '30-6=24'] Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,58 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 52*24=1248, Resulting Numbers: [1248] 1248,58 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: 58:[30, 44, 2], Operations: ['52-50=2'] Exploring Operation: 44/2=22, Resulting Numbers: [30, 22] Generated Node #0,3,0: 58:[30, 22] Operation: 44/2=22 Exploring Operation: 44+2=46, Resulting Numbers: [30, 46] Generated Node #0,3,1: 58:[30, 46] Operation: 44+2=46 Exploring Operation: 44-30=14, Resulting Numbers: [2, 14] Generated Node #0,3,2: 58:[2, 14] Operation: 44-30=14 Exploring Operation: 44-2=42, Resulting Numbers: [30, 42] Generated Node #0,3,3: 58:[30, 42] Operation: 44-2=42 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 58:[30, 22], Operations: ['52-50=2', '44/2=22'] Exploring Operation: 30+22=52, Resulting Numbers: [52] 52,58 unequal: No Solution Exploring Operation: 30*22=660, Resulting Numbers: [660] 660,58 unequal: No Solution Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 58:[2, 14], Operations: ['52-50=2', '44-30=14'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,58 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,58 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 58:[30, 46], Operations: ['52-50=2', '44+2=46'] Exploring Operation: 30*46=1380, Resulting Numbers: [1380] 1380,58 unequal: No Solution Exploring Operation: 30+46=76, Resulting Numbers: [76] 76,58 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 58:[30, 42], Operations: ['52-50=2', '44-2=42'] Exploring Operation: 30+42=72, Resulting Numbers: [72] 72,58 unequal: No Solution Exploring Operation: 30*42=1260, Resulting Numbers: [1260] 1260,58 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,58 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: 58:[30, 50, 8], Operations: ['52-44=8'] Exploring Operation: 50+8=58, Resulting Numbers: [30, 58] Generated Node #0,1,0: 58:[30, 58] Operation: 50+8=58 Exploring Operation: 30-8=22, Resulting Numbers: [50, 22] Generated Node #0,1,1: 58:[50, 22] Operation: 30-8=22 Exploring Operation: 50-30=20, Resulting Numbers: [8, 20] Generated Node #0,1,2: 58:[8, 20] Operation: 50-30=20 Exploring Operation: 50-8=42, Resulting Numbers: [30, 42] Generated Node #0,1,3: 58:[30, 42] Operation: 50-8=42 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[30, 58], Operations: ['52-44=8', '50+8=58'] Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 30*58=1740, Resulting Numbers: [1740] 1740,58 unequal: No Solution Exploring Operation: 30+58=88, Resulting Numbers: [88] 88,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 58:[30, 42], Operations: ['52-44=8', '50-8=42'] Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,58 unequal: No Solution Exploring Operation: 30+42=72, Resulting Numbers: [72] 72,58 unequal: No Solution Exploring Operation: 30*42=1260, Resulting Numbers: [1260] 1260,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[50, 22], Operations: ['52-44=8', '30-8=22'] Exploring Operation: 50+22=72, Resulting Numbers: [72] 72,58 unequal: No Solution Exploring Operation: 50*22=1100, Resulting Numbers: [1100] 1100,58 unequal: No Solution Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[8, 20], Operations: ['52-44=8', '50-30=20'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,58 unequal: No Solution Exploring Operation: 8*20=160, Resulting Numbers: [160] 160,58 unequal: No Solution Exploring Operation: 8+20=28, Resulting Numbers: [28] 28,58 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: 58:[52, 50, 14], Operations: ['44-30=14'] Exploring Operation: 50+14=64, Resulting Numbers: [52, 64] Generated Node #0,0,0: 58:[52, 64] Operation: 50+14=64 Exploring Operation: 50-14=36, Resulting Numbers: [52, 36] Generated Node #0,0,1: 58:[52, 36] Operation: 50-14=36 Exploring Operation: 52-50=2, Resulting Numbers: [14, 2] Generated Node #0,0,2: 58:[14, 2] Operation: 52-50=2 Exploring Operation: 52+14=66, Resulting Numbers: [50, 66] Generated Node #0,0,3: 58:[50, 66] Operation: 52+14=66 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[52, 64], Operations: ['44-30=14', '50+14=64'] Exploring Operation: 52*64=3328, Resulting Numbers: [3328] 3328,58 unequal: No Solution Exploring Operation: 52+64=116, Resulting Numbers: [116] 116,58 unequal: No Solution Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[14, 2], Operations: ['44-30=14', '52-50=2'] Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,58 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,58 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[52, 36], Operations: ['44-30=14', '50-14=36'] Exploring Operation: 52+36=88, Resulting Numbers: [88] 88,58 unequal: No Solution Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,58 unequal: No Solution Exploring Operation: 52*36=1872, Resulting Numbers: [1872] 1872,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 58:[50, 66], Operations: ['44-30=14', '52+14=66'] Exploring Operation: 50*66=3300, Resulting Numbers: [3300] 3300,58 unequal: No Solution Exploring Operation: 50+66=116, Resulting Numbers: [116] 116,58 unequal: No Solution Exploring Operation: 66-50=16, Resulting Numbers: [16] 16,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 57, 5, 66, 55 ]
41
[ "57-5=52", "66-55=11", "52-11=41" ]
Current State: 41:[57, 5, 66, 55], Operations: [] Exploring Operation: 57-5=52, Resulting Numbers: [66, 55, 52] Generated Node #2: [66, 55, 52] from Operation: 57-5=52 Current State: 41:[66, 55, 52], Operations: ['57-5=52'] Exploring Operation: 66-55=11, Resulting Numbers: [52, 11] Generated Node #3: [52, 11] from Operation: 66-55=11 Current State: 41:[52, 11], Operations: ['57-5=52', '66-55=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[57, 5, 66, 55], Operations: [] Exploring Operation: 57-5=52, Resulting Numbers: [66, 55, 52] Generated Node #0,0: 41:[66, 55, 52] Operation: 57-5=52 Moving to Node #0,0 Current State: 41:[66, 55, 52], Operations: ['57-5=52'] Exploring Operation: 66-55=11, Resulting Numbers: [52, 11] Generated Node #0,0,0: 41:[52, 11] Operation: 66-55=11 Moving to Node #0,0,0 Current State: 41:[52, 11], Operations: ['57-5=52', '66-55=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[57, 5, 66, 55], Operations: [] Exploring Operation: 57-5=52, Resulting Numbers: [66, 55, 52] Generated Node #0,0: 41:[66, 55, 52] Operation: 57-5=52 Moving to Node #0,0 Current State: 41:[66, 55, 52], Operations: ['57-5=52'] Exploring Operation: 66-55=11, Resulting Numbers: [52, 11] Generated Node #0,0,0: 41:[52, 11] Operation: 66-55=11 Moving to Node #0,0,0 Current State: 41:[52, 11], Operations: ['57-5=52', '66-55=11'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 83, 21, 69, 8 ]
43
[ "83+21=104", "69-8=61", "104-61=43" ]
Current State: 43:[83, 21, 69, 8], Operations: [] Exploring Operation: 83+21=104, Resulting Numbers: [69, 8, 104] Generated Node #2: [69, 8, 104] from Operation: 83+21=104 Current State: 43:[69, 8, 104], Operations: ['83+21=104'] Exploring Operation: 69-8=61, Resulting Numbers: [104, 61] Generated Node #3: [104, 61] from Operation: 69-8=61 Current State: 43:[104, 61], Operations: ['83+21=104', '69-8=61'] Exploring Operation: 104-61=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[83, 21, 69, 8], Operations: [] Exploring Operation: 83-21=62, Resulting Numbers: [69, 8, 62] Generated Node #0,0: 43:[69, 8, 62] Operation: 83-21=62 Moving to Node #0,0 Current State: 43:[69, 8, 62], Operations: ['83-21=62'] Exploring Operation: 69-8=61, Resulting Numbers: [62, 61] Generated Node #0,0,0: 43:[62, 61] Operation: 69-8=61 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[62, 61], Operations: ['83-21=62', '69-8=61'] Exploring Operation: 62-61=1, Resulting Numbers: [1] 1,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 84, 1, 80, 82 ]
40
[ "84*1=84", "84-82=2", "80/2=40" ]
Current State: 40:[84, 1, 80, 82], Operations: [] Exploring Operation: 84*1=84, Resulting Numbers: [80, 82, 84] Generated Node #2: [80, 82, 84] from Operation: 84*1=84 Current State: 40:[80, 82, 84], Operations: ['84*1=84'] Exploring Operation: 84-82=2, Resulting Numbers: [80, 2] Generated Node #3: [80, 2] from Operation: 84-82=2 Current State: 40:[80, 2], Operations: ['84*1=84', '84-82=2'] Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[84, 1, 80, 82], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [1, 80, 2] Generated Node #0,0: 40:[1, 80, 2] Operation: 84-82=2 Moving to Node #0,0 Current State: 40:[1, 80, 2], Operations: ['84-82=2'] Exploring Operation: 80/2=40, Resulting Numbers: [1, 40] Generated Node #0,0,0: 40:[1, 40] Operation: 80/2=40 Moving to Node #0,0,0 Current State: 40:[1, 40], Operations: ['84-82=2', '80/2=40'] Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[84, 1, 80, 82], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [1, 80, 2] Generated Node #0,0: 40:[1, 80, 2] Operation: 84-82=2 Moving to Node #0,0 Current State: 40:[1, 80, 2], Operations: ['84-82=2'] Exploring Operation: 80/2=40, Resulting Numbers: [1, 40] Generated Node #0,0,0: 40:[1, 40] Operation: 80/2=40 Moving to Node #0,0,0 Current State: 40:[1, 40], Operations: ['84-82=2', '80/2=40'] Exploring Operation: 1*40=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 40, 4, 86, 89 ]
13
[ "40/4=10", "89-86=3", "10+3=13" ]
Current State: 13:[40, 4, 86, 89], Operations: [] Exploring Operation: 40/4=10, Resulting Numbers: [86, 89, 10] Generated Node #2: [86, 89, 10] from Operation: 40/4=10 Current State: 13:[86, 89, 10], Operations: ['40/4=10'] Exploring Operation: 89-86=3, Resulting Numbers: [10, 3] Generated Node #3: [10, 3] from Operation: 89-86=3 Current State: 13:[10, 3], Operations: ['40/4=10', '89-86=3'] Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[40, 4, 86, 89], Operations: [] Exploring Operation: 89-40=49, Resulting Numbers: [4, 86, 49] Generated Node #0,0: 13:[4, 86, 49] Operation: 89-40=49 Exploring Operation: 89-86=3, Resulting Numbers: [40, 4, 3] Generated Node #0,1: 13:[40, 4, 3] Operation: 89-86=3 Exploring Operation: 40/4=10, Resulting Numbers: [86, 89, 10] Generated Node #0,2: 13:[86, 89, 10] Operation: 40/4=10 Exploring Operation: 86-40=46, Resulting Numbers: [4, 89, 46] Generated Node #0,3: 13:[4, 89, 46] Operation: 86-40=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[40, 4, 3], Operations: ['89-86=3'] Exploring Operation: 40-4=36, Resulting Numbers: [3, 36] Generated Node #0,1,0: 13:[3, 36] Operation: 40-4=36 Exploring Operation: 4*3=12, Resulting Numbers: [40, 12] Generated Node #0,1,1: 13:[40, 12] Operation: 4*3=12 Exploring Operation: 40/4=10, Resulting Numbers: [3, 10] Generated Node #0,1,2: 13:[3, 10] Operation: 40/4=10 Exploring Operation: 40-3=37, Resulting Numbers: [4, 37] Generated Node #0,1,3: 13:[4, 37] Operation: 40-3=37 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 13:[3, 10], Operations: ['89-86=3', '40/4=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[40, 4, 86, 89], Operations: [] Exploring Operation: 89-86=3, Resulting Numbers: [40, 4, 3] Generated Node #0,1: 13:[40, 4, 3] Operation: 89-86=3 Moving to Node #0,1 Current State: 13:[40, 4, 3], Operations: ['89-86=3'] Exploring Operation: 40/4=10, Resulting Numbers: [3, 10] Generated Node #0,1,2: 13:[3, 10] Operation: 40/4=10 Moving to Node #0,1,2 Current State: 13:[3, 10], Operations: ['89-86=3', '40/4=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 36, 82, 3, 75 ]
71
[ "82-36=46", "75/3=25", "46+25=71" ]
Current State: 71:[36, 82, 3, 75], Operations: [] Exploring Operation: 82-36=46, Resulting Numbers: [3, 75, 46] Generated Node #2: [3, 75, 46] from Operation: 82-36=46 Current State: 71:[3, 75, 46], Operations: ['82-36=46'] Exploring Operation: 75/3=25, Resulting Numbers: [46, 25] Generated Node #3: [46, 25] from Operation: 75/3=25 Current State: 71:[46, 25], Operations: ['82-36=46', '75/3=25'] Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[36, 82, 3, 75], Operations: [] Exploring Operation: 36+3=39, Resulting Numbers: [82, 75, 39] Generated Node #0,0: 71:[82, 75, 39] Operation: 36+3=39 Exploring Operation: 75-3=72, Resulting Numbers: [36, 82, 72] Generated Node #0,1: 71:[36, 82, 72] Operation: 75-3=72 Exploring Operation: 82-3=79, Resulting Numbers: [36, 75, 79] Generated Node #0,2: 71:[36, 75, 79] Operation: 82-3=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[82, 75, 39], Operations: ['36+3=39'] Exploring Operation: 82-39=43, Resulting Numbers: [75, 43] Generated Node #0,0,0: 71:[75, 43] Operation: 82-39=43 Exploring Operation: 75-39=36, Resulting Numbers: [82, 36] Generated Node #0,0,1: 71:[82, 36] Operation: 75-39=36 Exploring Operation: 82+39=121, Resulting Numbers: [75, 121] Generated Node #0,0,2: 71:[75, 121] Operation: 82+39=121 Moving to Node #0,0,0 Current State: 71:[75, 43], Operations: ['36+3=39', '82-39=43'] Exploring Operation: 75+43=118, Resulting Numbers: [118] 118,71 unequal: No Solution Exploring Operation: 75-43=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 75*43=3225, Resulting Numbers: [3225] 3225,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[82, 36], Operations: ['36+3=39', '75-39=36'] Exploring Operation: 82+36=118, Resulting Numbers: [118] 118,71 unequal: No Solution Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,71 unequal: No Solution Exploring Operation: 82*36=2952, Resulting Numbers: [2952] 2952,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[75, 121], Operations: ['36+3=39', '82+39=121'] Exploring Operation: 75*121=9075, Resulting Numbers: [9075] 9075,71 unequal: No Solution Exploring Operation: 75+121=196, Resulting Numbers: [196] 196,71 unequal: No Solution Exploring Operation: 121-75=46, Resulting Numbers: [46] 46,71 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 Current State: 71:[36, 82, 72], Operations: ['75-3=72'] Exploring Operation: 82-36=46, Resulting Numbers: [72, 46] Generated Node #0,1,0: 71:[72, 46] Operation: 82-36=46 Exploring Operation: 36+82=118, Resulting Numbers: [72, 118] Generated Node #0,1,1: 71:[72, 118] Operation: 36+82=118 Exploring Operation: 72-36=36, Resulting Numbers: [82, 36] Generated Node #0,1,2: 71:[82, 36] Operation: 72-36=36 Moving to Node #0,1,0 Current State: 71:[72, 46], Operations: ['75-3=72', '82-36=46'] Exploring Operation: 72+46=118, Resulting Numbers: [118] 118,71 unequal: No Solution Exploring Operation: 72-46=26, Resulting Numbers: [26] 26,71 unequal: No Solution Exploring Operation: 72*46=3312, Resulting Numbers: [3312] 3312,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[82, 36], Operations: ['75-3=72', '72-36=36'] Exploring Operation: 82-36=46, Resulting Numbers: [46] 46,71 unequal: No Solution Exploring Operation: 82*36=2952, Resulting Numbers: [2952] 2952,71 unequal: No Solution Exploring Operation: 82+36=118, Resulting Numbers: [118] 118,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[72, 118], Operations: ['75-3=72', '36+82=118'] Exploring Operation: 72+118=190, Resulting Numbers: [190] 190,71 unequal: No Solution Exploring Operation: 72*118=8496, Resulting Numbers: [8496] 8496,71 unequal: No Solution Exploring Operation: 118-72=46, Resulting Numbers: [46] 46,71 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 #0,2 Current State: 71:[36, 75, 79], Operations: ['82-3=79'] Exploring Operation: 79-36=43, Resulting Numbers: [75, 43] Generated Node #0,2,0: 71:[75, 43] Operation: 79-36=43 Exploring Operation: 36+75=111, Resulting Numbers: [79, 111] Generated Node #0,2,1: 71:[79, 111] Operation: 36+75=111 Exploring Operation: 75-36=39, Resulting Numbers: [79, 39] Generated Node #0,2,2: 71:[79, 39] Operation: 75-36=39 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[75, 43], Operations: ['82-3=79', '79-36=43'] Exploring Operation: 75-43=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 75*43=3225, Resulting Numbers: [3225] 3225,71 unequal: No Solution Exploring Operation: 75+43=118, Resulting Numbers: [118] 118,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[79, 39], Operations: ['82-3=79', '75-36=39'] Exploring Operation: 79+39=118, Resulting Numbers: [118] 118,71 unequal: No Solution Exploring Operation: 79-39=40, Resulting Numbers: [40] 40,71 unequal: No Solution Exploring Operation: 79*39=3081, Resulting Numbers: [3081] 3081,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[79, 111], Operations: ['82-3=79', '36+75=111'] Exploring Operation: 111-79=32, Resulting Numbers: [32] 32,71 unequal: No Solution Exploring Operation: 79*111=8769, Resulting Numbers: [8769] 8769,71 unequal: No Solution Exploring Operation: 79+111=190, Resulting Numbers: [190] 190,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 56, 33, 18, 19 ]
22
[ "56-33=23", "19-18=1", "23-1=22" ]
Current State: 22:[56, 33, 18, 19], Operations: [] Exploring Operation: 56-33=23, Resulting Numbers: [18, 19, 23] Generated Node #2: [18, 19, 23] from Operation: 56-33=23 Current State: 22:[18, 19, 23], Operations: ['56-33=23'] Exploring Operation: 19-18=1, Resulting Numbers: [23, 1] Generated Node #3: [23, 1] from Operation: 19-18=1 Current State: 22:[23, 1], Operations: ['56-33=23', '19-18=1'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[56, 33, 18, 19], Operations: [] Exploring Operation: 56-33=23, Resulting Numbers: [18, 19, 23] Generated Node #0,0: 22:[18, 19, 23] Operation: 56-33=23 Exploring Operation: 56-18=38, Resulting Numbers: [33, 19, 38] Generated Node #0,1: 22:[33, 19, 38] Operation: 56-18=38 Exploring Operation: 56-19=37, Resulting Numbers: [33, 18, 37] Generated Node #0,2: 22:[33, 18, 37] Operation: 56-19=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[18, 19, 23], Operations: ['56-33=23'] Exploring Operation: 23-19=4, Resulting Numbers: [18, 4] Generated Node #0,0,0: 22:[18, 4] Operation: 23-19=4 Exploring Operation: 23-18=5, Resulting Numbers: [19, 5] Generated Node #0,0,1: 22:[19, 5] Operation: 23-18=5 Exploring Operation: 19-18=1, Resulting Numbers: [23, 1] Generated Node #0,0,2: 22:[23, 1] Operation: 19-18=1 Moving to Node #0,0,2 Current State: 22:[23, 1], Operations: ['56-33=23', '19-18=1'] Exploring Operation: 23/1=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[56, 33, 18, 19], Operations: [] Exploring Operation: 56-33=23, Resulting Numbers: [18, 19, 23] Generated Node #0,0: 22:[18, 19, 23] Operation: 56-33=23 Moving to Node #0,0 Current State: 22:[18, 19, 23], Operations: ['56-33=23'] Exploring Operation: 19-18=1, Resulting Numbers: [23, 1] Generated Node #0,0,2: 22:[23, 1] Operation: 19-18=1 Moving to Node #0,0,2 Current State: 22:[23, 1], Operations: ['56-33=23', '19-18=1'] Exploring Operation: 23-1=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 45, 85, 90, 34 ]
84
[ "85-45=40", "90+34=124", "124-40=84" ]
Current State: 84:[45, 85, 90, 34], Operations: [] Exploring Operation: 85-45=40, Resulting Numbers: [90, 34, 40] Generated Node #2: [90, 34, 40] from Operation: 85-45=40 Current State: 84:[90, 34, 40], Operations: ['85-45=40'] Exploring Operation: 90+34=124, Resulting Numbers: [40, 124] Generated Node #3: [40, 124] from Operation: 90+34=124 Current State: 84:[40, 124], Operations: ['85-45=40', '90+34=124'] Exploring Operation: 124-40=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[45, 85, 90, 34], Operations: [] Exploring Operation: 45-34=11, Resulting Numbers: [85, 90, 11] Generated Node #0,0: 84:[85, 90, 11] Operation: 45-34=11 Exploring Operation: 90/45=2, Resulting Numbers: [85, 34, 2] Generated Node #0,1: 84:[85, 34, 2] Operation: 90/45=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[85, 34, 2], Operations: ['90/45=2'] Exploring Operation: 34/2=17, Resulting Numbers: [85, 17] Generated Node #0,1,0: 84:[85, 17] Operation: 34/2=17 Exploring Operation: 34-2=32, Resulting Numbers: [85, 32] Generated Node #0,1,1: 84:[85, 32] Operation: 34-2=32 Moving to Node #0,1,0 Current State: 84:[85, 17], Operations: ['90/45=2', '34/2=17'] Exploring Operation: 85/17=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 85-17=68, Resulting Numbers: [68] 68,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[85, 32], Operations: ['90/45=2', '34-2=32'] Exploring Operation: 85-32=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 85+32=117, Resulting Numbers: [117] 117,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[85, 90, 11], Operations: ['45-34=11'] Exploring Operation: 90-11=79, Resulting Numbers: [85, 79] Generated Node #0,0,0: 84:[85, 79] Operation: 90-11=79 Exploring Operation: 90-85=5, Resulting Numbers: [11, 5] Generated Node #0,0,1: 84:[11, 5] Operation: 90-85=5 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[11, 5], Operations: ['45-34=11', '90-85=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,84 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,84 unequal: No Solution No 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: 84:[85, 79], Operations: ['45-34=11', '90-11=79'] Exploring Operation: 85+79=164, Resulting Numbers: [164] 164,84 unequal: No Solution Exploring Operation: 85-79=6, Resulting Numbers: [6] 6,84 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
[ 76, 82, 43, 15 ]
47
[ "82-76=6", "15*6=90", "90-43=47" ]
Current State: 47:[76, 82, 43, 15], Operations: [] Exploring Operation: 82-76=6, Resulting Numbers: [43, 15, 6] Generated Node #2: [43, 15, 6] from Operation: 82-76=6 Current State: 47:[43, 15, 6], Operations: ['82-76=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: ['82-76=6', '15*6=90'] Exploring Operation: 90-43=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[76, 82, 43, 15], Operations: [] Exploring Operation: 76-15=61, Resulting Numbers: [82, 43, 61] Generated Node #0,0: 47:[82, 43, 61] Operation: 76-15=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[82, 43, 61], Operations: ['76-15=61'] Exploring Operation: 82-43=39, Resulting Numbers: [61, 39] Generated Node #0,0,0: 47:[61, 39] Operation: 82-43=39 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[61, 39], Operations: ['76-15=61', '82-43=39'] Exploring Operation: 61-39=22, Resulting Numbers: [22] 22,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 31, 7, 16, 79 ]
25
[ "31+7=38", "79-16=63", "63-38=25" ]
Current State: 25:[31, 7, 16, 79], Operations: [] Exploring Operation: 31+7=38, Resulting Numbers: [16, 79, 38] Generated Node #2: [16, 79, 38] from Operation: 31+7=38 Current State: 25:[16, 79, 38], Operations: ['31+7=38'] Exploring Operation: 79-16=63, Resulting Numbers: [38, 63] Generated Node #3: [38, 63] from Operation: 79-16=63 Current State: 25:[38, 63], Operations: ['31+7=38', '79-16=63'] Exploring Operation: 63-38=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[31, 7, 16, 79], Operations: [] Exploring Operation: 31-7=24, Resulting Numbers: [16, 79, 24] Generated Node #0,0: 25:[16, 79, 24] Operation: 31-7=24 Exploring Operation: 79-7=72, Resulting Numbers: [31, 16, 72] Generated Node #0,1: 25:[31, 16, 72] Operation: 79-7=72 Exploring Operation: 79-31=48, Resulting Numbers: [7, 16, 48] Generated Node #0,2: 25:[7, 16, 48] Operation: 79-31=48 Exploring Operation: 7+16=23, Resulting Numbers: [31, 79, 23] Generated Node #0,3: 25:[31, 79, 23] Operation: 7+16=23 Exploring Operation: 79-16=63, Resulting Numbers: [31, 7, 63] Generated Node #0,4: 25:[31, 7, 63] Operation: 79-16=63 Moving to Node #0,2 Current State: 25:[7, 16, 48], Operations: ['79-31=48'] Exploring Operation: 48/16=3, Resulting Numbers: [7, 3] Generated Node #0,2,0: 25:[7, 3] Operation: 48/16=3 Exploring Operation: 48-7=41, Resulting Numbers: [16, 41] Generated Node #0,2,1: 25:[16, 41] Operation: 48-7=41 Exploring Operation: 7+16=23, Resulting Numbers: [48, 23] Generated Node #0,2,2: 25:[48, 23] Operation: 7+16=23 Exploring Operation: 16-7=9, Resulting Numbers: [48, 9] Generated Node #0,2,3: 25:[48, 9] Operation: 16-7=9 Exploring Operation: 48-16=32, Resulting Numbers: [7, 32] Generated Node #0,2,4: 25:[7, 32] Operation: 48-16=32 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 25:[7, 3], Operations: ['79-31=48', '48/16=3'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 25:[7, 32], Operations: ['79-31=48', '48-16=32'] Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,25 unequal: No Solution Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[31, 7, 16, 79], Operations: [] Exploring Operation: 79-31=48, Resulting Numbers: [7, 16, 48] Generated Node #0,2: 25:[7, 16, 48] Operation: 79-31=48 Moving to Node #0,2 Current State: 25:[7, 16, 48], Operations: ['79-31=48'] Exploring Operation: 48-16=32, Resulting Numbers: [7, 32] Generated Node #0,2,4: 25:[7, 32] Operation: 48-16=32 Moving to Node #0,2,4 Current State: 25:[7, 32], Operations: ['79-31=48', '48-16=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 92, 60, 44, 17 ]
92
[ "60-44=16", "17-16=1", "92*1=92" ]
Current State: 92:[92, 60, 44, 17], Operations: [] Exploring Operation: 60-44=16, Resulting Numbers: [92, 17, 16] Generated Node #2: [92, 17, 16] from Operation: 60-44=16 Current State: 92:[92, 17, 16], Operations: ['60-44=16'] Exploring Operation: 17-16=1, Resulting Numbers: [92, 1] Generated Node #3: [92, 1] from Operation: 17-16=1 Current State: 92:[92, 1], Operations: ['60-44=16', '17-16=1'] Exploring Operation: 92*1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[92, 60, 44, 17], Operations: [] Exploring Operation: 92-60=32, Resulting Numbers: [44, 17, 32] Generated Node #0,0: 92:[44, 17, 32] Operation: 92-60=32 Exploring Operation: 60-44=16, Resulting Numbers: [92, 17, 16] Generated Node #0,1: 92:[92, 17, 16] Operation: 60-44=16 Exploring Operation: 60-17=43, Resulting Numbers: [92, 44, 43] Generated Node #0,2: 92:[92, 44, 43] Operation: 60-17=43 Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[92, 44, 43], Operations: ['60-17=43'] Exploring Operation: 44-43=1, Resulting Numbers: [92, 1] Generated Node #0,2,0: 92:[92, 1] Operation: 44-43=1 Exploring Operation: 92-43=49, Resulting Numbers: [44, 49] Generated Node #0,2,1: 92:[44, 49] Operation: 92-43=49 Exploring Operation: 92-44=48, Resulting Numbers: [43, 48] Generated Node #0,2,2: 92:[43, 48] Operation: 92-44=48 Moving to Node #0,2,0 Current State: 92:[92, 1], Operations: ['60-17=43', '44-43=1'] Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[92, 60, 44, 17], Operations: [] Exploring Operation: 60-17=43, Resulting Numbers: [92, 44, 43] Generated Node #0,2: 92:[92, 44, 43] Operation: 60-17=43 Moving to Node #0,2 Current State: 92:[92, 44, 43], Operations: ['60-17=43'] Exploring Operation: 44-43=1, Resulting Numbers: [92, 1] Generated Node #0,2,0: 92:[92, 1] Operation: 44-43=1 Moving to Node #0,2,0 Current State: 92:[92, 1], Operations: ['60-17=43', '44-43=1'] Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 5, 3, 96, 79 ]
81
[ "5*96=480", "480/3=160", "160-79=81" ]
Current State: 81:[5, 3, 96, 79], Operations: [] Exploring Operation: 5*96=480, Resulting Numbers: [3, 79, 480] Generated Node #2: [3, 79, 480] from Operation: 5*96=480 Current State: 81:[3, 79, 480], Operations: ['5*96=480'] Exploring Operation: 480/3=160, Resulting Numbers: [79, 160] Generated Node #3: [79, 160] from Operation: 480/3=160 Current State: 81:[79, 160], Operations: ['5*96=480', '480/3=160'] Exploring Operation: 160-79=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[5, 3, 96, 79], Operations: [] Exploring Operation: 96-79=17, Resulting Numbers: [5, 3, 17] Generated Node #0,0: 81:[5, 3, 17] Operation: 96-79=17 Exploring Operation: 96-5=91, Resulting Numbers: [3, 79, 91] Generated Node #0,1: 81:[3, 79, 91] Operation: 96-5=91 Exploring Operation: 96-3=93, Resulting Numbers: [5, 79, 93] Generated Node #0,2: 81:[5, 79, 93] Operation: 96-3=93 Exploring Operation: 5+3=8, Resulting Numbers: [96, 79, 8] Generated Node #0,3: 81:[96, 79, 8] Operation: 5+3=8 Exploring Operation: 96/3=32, Resulting Numbers: [5, 79, 32] Generated Node #0,4: 81:[5, 79, 32] Operation: 96/3=32 Moving to Node #0,4 Current State: 81:[5, 79, 32], Operations: ['96/3=32'] Exploring Operation: 5+32=37, Resulting Numbers: [79, 37] Generated Node #0,4,0: 81:[79, 37] Operation: 5+32=37 Exploring Operation: 5+79=84, Resulting Numbers: [32, 84] Generated Node #0,4,1: 81:[32, 84] Operation: 5+79=84 Exploring Operation: 79-5=74, Resulting Numbers: [32, 74] Generated Node #0,4,2: 81:[32, 74] Operation: 79-5=74 Exploring Operation: 79-32=47, Resulting Numbers: [5, 47] Generated Node #0,4,3: 81:[5, 47] Operation: 79-32=47 Exploring Operation: 32-5=27, Resulting Numbers: [79, 27] Generated Node #0,4,4: 81:[79, 27] Operation: 32-5=27 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 81:[79, 27], Operations: ['96/3=32', '32-5=27'] Exploring Operation: 79-27=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 79*27=2133, Resulting Numbers: [2133] 2133,81 unequal: No Solution Exploring Operation: 79+27=106, Resulting Numbers: [106] 106,81 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 #0,4,1 Current State: 81:[32, 84], Operations: ['96/3=32', '5+79=84'] Exploring Operation: 32*84=2688, Resulting Numbers: [2688] 2688,81 unequal: No Solution Exploring Operation: 32+84=116, Resulting Numbers: [116] 116,81 unequal: No Solution Exploring Operation: 84-32=52, Resulting Numbers: [52] 52,81 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 #0,4,0 Current State: 81:[79, 37], Operations: ['96/3=32', '5+32=37'] Exploring Operation: 79+37=116, Resulting Numbers: [116] 116,81 unequal: No Solution Exploring Operation: 79*37=2923, Resulting Numbers: [2923] 2923,81 unequal: No Solution Exploring Operation: 79-37=42, Resulting Numbers: [42] 42,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 81:[32, 74], Operations: ['96/3=32', '79-5=74'] Exploring Operation: 74-32=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 32+74=106, Resulting Numbers: [106] 106,81 unequal: No Solution Exploring Operation: 32*74=2368, Resulting Numbers: [2368] 2368,81 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 #0,4,3 Current State: 81:[5, 47], Operations: ['96/3=32', '79-32=47'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,81 unequal: No Solution Exploring Operation: 5*47=235, Resulting Numbers: [235] 235,81 unequal: No Solution Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 81:[5, 3, 17], Operations: ['96-79=17'] Exploring Operation: 17-3=14, Resulting Numbers: [5, 14] Generated Node #0,0,0: 81:[5, 14] Operation: 17-3=14 Exploring Operation: 17-5=12, Resulting Numbers: [3, 12] Generated Node #0,0,1: 81:[3, 12] Operation: 17-5=12 Exploring Operation: 5+17=22, Resulting Numbers: [3, 22] Generated Node #0,0,2: 81:[3, 22] Operation: 5+17=22 Exploring Operation: 5*17=85, Resulting Numbers: [3, 85] Generated Node #0,0,3: 81:[3, 85] Operation: 5*17=85 Exploring Operation: 5+3=8, Resulting Numbers: [17, 8] Generated Node #0,0,4: 81:[17, 8] Operation: 5+3=8 Moving to Node #0,1 Current State: 81:[3, 79, 91], Operations: ['96-5=91'] Exploring Operation: 91-79=12, Resulting Numbers: [3, 12] Generated Node #0,1,0: 81:[3, 12] Operation: 91-79=12 Exploring Operation: 3+79=82, Resulting Numbers: [91, 82] Generated Node #0,1,1: 81:[91, 82] Operation: 3+79=82 Exploring Operation: 91-3=88, Resulting Numbers: [79, 88] Generated Node #0,1,2: 81:[79, 88] Operation: 91-3=88 Exploring Operation: 3+91=94, Resulting Numbers: [79, 94] Generated Node #0,1,3: 81:[79, 94] Operation: 3+91=94 Exploring Operation: 79-3=76, Resulting Numbers: [91, 76] Generated Node #0,1,4: 81:[91, 76] Operation: 79-3=76 Moving to Node #0,2 Current State: 81:[5, 79, 93], Operations: ['96-3=93'] Exploring Operation: 93-5=88, Resulting Numbers: [79, 88] Generated Node #0,2,0: 81:[79, 88] Operation: 93-5=88 Exploring Operation: 93-79=14, Resulting Numbers: [5, 14] Generated Node #0,2,1: 81:[5, 14] Operation: 93-79=14 Exploring Operation: 5+93=98, Resulting Numbers: [79, 98] Generated Node #0,2,2: 81:[79, 98] Operation: 5+93=98 Exploring Operation: 5+79=84, Resulting Numbers: [93, 84] Generated Node #0,2,3: 81:[93, 84] Operation: 5+79=84 Exploring Operation: 79-5=74, Resulting Numbers: [93, 74] Generated Node #0,2,4: 81:[93, 74] Operation: 79-5=74 Moving to Node #0,3 Current State: 81:[96, 79, 8], Operations: ['5+3=8'] Exploring Operation: 96-8=88, Resulting Numbers: [79, 88] Generated Node #0,3,0: 81:[79, 88] Operation: 96-8=88 Exploring Operation: 96+8=104, Resulting Numbers: [79, 104] Generated Node #0,3,1: 81:[79, 104] Operation: 96+8=104 Exploring Operation: 96/8=12, Resulting Numbers: [79, 12] Generated Node #0,3,2: 81:[79, 12] Operation: 96/8=12 Exploring Operation: 96-79=17, Resulting Numbers: [8, 17] Generated Node #0,3,3: 81:[8, 17] Operation: 96-79=17 Exploring Operation: 79+8=87, Resulting Numbers: [96, 87] Generated Node #0,3,4: 81:[96, 87] Operation: 79+8=87 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 81:[79, 12], Operations: ['5+3=8', '96/8=12'] Exploring Operation: 79-12=67, Resulting Numbers: [67] 67,81 unequal: No Solution Exploring Operation: 79*12=948, Resulting Numbers: [948] 948,81 unequal: No Solution Exploring Operation: 79+12=91, Resulting Numbers: [91] 91,81 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:[79, 88], Operations: ['5+3=8', '96-8=88'] Exploring Operation: 88-79=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 79*88=6952, Resulting Numbers: [6952] 6952,81 unequal: No Solution Exploring Operation: 79+88=167, Resulting Numbers: [167] 167,81 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:[8, 17], Operations: ['5+3=8', '96-79=17'] Exploring Operation: 8*17=136, Resulting Numbers: [136] 136,81 unequal: No Solution Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,81 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:[96, 87], Operations: ['5+3=8', '79+8=87'] Exploring Operation: 96+87=183, Resulting Numbers: [183] 183,81 unequal: No Solution Exploring Operation: 96*87=8352, Resulting Numbers: [8352] 8352,81 unequal: No Solution Exploring Operation: 96-87=9, Resulting Numbers: [9] 9,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 81:[79, 104], Operations: ['5+3=8', '96+8=104'] Exploring Operation: 79+104=183, Resulting Numbers: [183] 183,81 unequal: No Solution Exploring Operation: 104-79=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 79*104=8216, Resulting Numbers: [8216] 8216,81 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: 81:[3, 12], Operations: ['96-79=17', '17-5=12'] Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,81 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,81 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[3, 12], Operations: ['96-5=91', '91-79=12'] Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,81 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,81 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,81 unequal: No Solution Moving to Node #0,0,3 Current State: 81:[3, 85], Operations: ['96-79=17', '5*17=85'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,81 unequal: No Solution Exploring Operation: 3+85=88, Resulting Numbers: [88] 88,81 unequal: No Solution Exploring Operation: 3*85=255, Resulting Numbers: [255] 255,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[3, 22], Operations: ['96-79=17', '5+17=22'] Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,81 unequal: No Solution Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[5, 14], Operations: ['96-3=93', '93-79=14'] Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,81 unequal: No Solution Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,81 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[5, 14], Operations: ['96-79=17', '17-3=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,81 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,81 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[79, 88], Operations: ['96-5=91', '91-3=88'] Exploring Operation: 79+88=167, Resulting Numbers: [167] 167,81 unequal: No Solution Exploring Operation: 79*88=6952, Resulting Numbers: [6952] 6952,81 unequal: No Solution Exploring Operation: 88-79=9, Resulting Numbers: [9] 9,81 unequal: No Solution Moving to Node #0,2,0 Current State: 81:[79, 88], Operations: ['96-3=93', '93-5=88'] Exploring Operation: 79*88=6952, Resulting Numbers: [6952] 6952,81 unequal: No Solution Exploring Operation: 79+88=167, Resulting Numbers: [167] 167,81 unequal: No Solution Exploring Operation: 88-79=9, Resulting Numbers: [9] 9,81 unequal: No Solution Moving to Node #0,0,4 Current State: 81:[17, 8], Operations: ['96-79=17', '5+3=8'] Exploring Operation: 17+8=25, Resulting Numbers: [25] 25,81 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 17*8=136, Resulting Numbers: [136] 136,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[91, 82], Operations: ['96-5=91', '3+79=82'] Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 91*82=7462, Resulting Numbers: [7462] 7462,81 unequal: No Solution Exploring Operation: 91+82=173, Resulting Numbers: [173] 173,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[93, 84], Operations: ['96-3=93', '5+79=84'] Exploring Operation: 93*84=7812, Resulting Numbers: [7812] 7812,81 unequal: No Solution Exploring Operation: 93-84=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 93+84=177, Resulting Numbers: [177] 177,81 unequal: No Solution Moving to Node #0,1,4 Current State: 81:[91, 76], Operations: ['96-5=91', '79-3=76'] Exploring Operation: 91*76=6916, Resulting Numbers: [6916] 6916,81 unequal: No Solution Exploring Operation: 91+76=167, Resulting Numbers: [167] 167,81 unequal: No Solution Exploring Operation: 91-76=15, Resulting Numbers: [15] 15,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[79, 94], Operations: ['96-5=91', '3+91=94'] Exploring Operation: 94-79=15, Resulting Numbers: [15] 15,81 unequal: No Solution Exploring Operation: 79+94=173, Resulting Numbers: [173] 173,81 unequal: No Solution Exploring Operation: 79*94=7426, Resulting Numbers: [7426] 7426,81 unequal: No Solution Moving to Node #0,2,4 Current State: 81:[93, 74], Operations: ['96-3=93', '79-5=74'] Exploring Operation: 93*74=6882, Resulting Numbers: [6882] 6882,81 unequal: No Solution Exploring Operation: 93+74=167, Resulting Numbers: [167] 167,81 unequal: No Solution Exploring Operation: 93-74=19, Resulting Numbers: [19] 19,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[79, 98], Operations: ['96-3=93', '5+93=98'] Exploring Operation: 98-79=19, Resulting Numbers: [19] 19,81 unequal: No Solution Exploring Operation: 79+98=177, Resulting Numbers: [177] 177,81 unequal: No Solution Exploring Operation: 79*98=7742, Resulting Numbers: [7742] 7742,81 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 7, 60, 6, 2 ]
79
[ "7+60=67", "6*2=12", "67+12=79" ]
Current State: 79:[7, 60, 6, 2], Operations: [] Exploring Operation: 7+60=67, Resulting Numbers: [6, 2, 67] Generated Node #2: [6, 2, 67] from Operation: 7+60=67 Current State: 79:[6, 2, 67], Operations: ['7+60=67'] Exploring Operation: 6*2=12, Resulting Numbers: [67, 12] Generated Node #3: [67, 12] from Operation: 6*2=12 Current State: 79:[67, 12], Operations: ['7+60=67', '6*2=12'] Exploring Operation: 67+12=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[7, 60, 6, 2], Operations: [] Exploring Operation: 7*6=42, Resulting Numbers: [60, 2, 42] Generated Node #0,0: 79:[60, 2, 42] Operation: 7*6=42 Exploring Operation: 7*2=14, Resulting Numbers: [60, 6, 14] Generated Node #0,1: 79:[60, 6, 14] Operation: 7*2=14 Exploring Operation: 6*2=12, Resulting Numbers: [7, 60, 12] Generated Node #0,2: 79:[7, 60, 12] Operation: 6*2=12 Moving to Node #0,0 Current State: 79:[60, 2, 42], Operations: ['7*6=42'] Exploring Operation: 60+2=62, Resulting Numbers: [42, 62] Generated Node #0,0,0: 79:[42, 62] Operation: 60+2=62 Exploring Operation: 2+42=44, Resulting Numbers: [60, 44] Generated Node #0,0,1: 79:[60, 44] Operation: 2+42=44 Exploring Operation: 2*42=84, Resulting Numbers: [60, 84] Generated Node #0,0,2: 79:[60, 84] Operation: 2*42=84 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 79:[60, 84], Operations: ['7*6=42', '2*42=84'] Exploring Operation: 60*84=5040, Resulting Numbers: [5040] 5040,79 unequal: No Solution Exploring Operation: 60+84=144, Resulting Numbers: [144] 144,79 unequal: No Solution Exploring Operation: 84-60=24, Resulting Numbers: [24] 24,79 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:[42, 62], Operations: ['7*6=42', '60+2=62'] Exploring Operation: 42*62=2604, Resulting Numbers: [2604] 2604,79 unequal: No Solution Exploring Operation: 62-42=20, Resulting Numbers: [20] 20,79 unequal: No Solution Exploring Operation: 42+62=104, Resulting Numbers: [104] 104,79 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:[60, 44], Operations: ['7*6=42', '2+42=44'] Exploring Operation: 60*44=2640, Resulting Numbers: [2640] 2640,79 unequal: No Solution Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,79 unequal: No Solution Exploring Operation: 60+44=104, Resulting Numbers: [104] 104,79 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:[60, 6, 14], Operations: ['7*2=14'] Exploring Operation: 60+14=74, Resulting Numbers: [6, 74] Generated Node #0,1,0: 79:[6, 74] Operation: 60+14=74 Exploring Operation: 60+6=66, Resulting Numbers: [14, 66] Generated Node #0,1,1: 79:[14, 66] Operation: 60+6=66 Exploring Operation: 6*14=84, Resulting Numbers: [60, 84] Generated Node #0,1,2: 79:[60, 84] Operation: 6*14=84 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 79:[60, 84], Operations: ['7*2=14', '6*14=84'] Exploring Operation: 60+84=144, Resulting Numbers: [144] 144,79 unequal: No Solution Exploring Operation: 84-60=24, Resulting Numbers: [24] 24,79 unequal: No Solution Exploring Operation: 60*84=5040, Resulting Numbers: [5040] 5040,79 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:[6, 74], Operations: ['7*2=14', '60+14=74'] Exploring Operation: 6+74=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 74-6=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 6*74=444, Resulting Numbers: [444] 444,79 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:[14, 66], Operations: ['7*2=14', '60+6=66'] Exploring Operation: 66-14=52, Resulting Numbers: [52] 52,79 unequal: No Solution Exploring Operation: 14+66=80, Resulting Numbers: [80] 80,79 unequal: No Solution Exploring Operation: 14*66=924, Resulting Numbers: [924] 924,79 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:[7, 60, 12], Operations: ['6*2=12'] Exploring Operation: 7*12=84, Resulting Numbers: [60, 84] Generated Node #0,2,0: 79:[60, 84] Operation: 7*12=84 Exploring Operation: 7+60=67, Resulting Numbers: [12, 67] Generated Node #0,2,1: 79:[12, 67] Operation: 7+60=67 Exploring Operation: 7+12=19, Resulting Numbers: [60, 19] Generated Node #0,2,2: 79:[60, 19] Operation: 7+12=19 Moving to Node #0,2,0 Current State: 79:[60, 84], Operations: ['6*2=12', '7*12=84'] Exploring Operation: 84-60=24, Resulting Numbers: [24] 24,79 unequal: No Solution Exploring Operation: 60*84=5040, Resulting Numbers: [5040] 5040,79 unequal: No Solution Exploring Operation: 60+84=144, Resulting Numbers: [144] 144,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[12, 67], Operations: ['6*2=12', '7+60=67'] Exploring Operation: 12*67=804, Resulting Numbers: [804] 804,79 unequal: No Solution Exploring Operation: 12+67=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[7, 60, 6, 2], Operations: [] Exploring Operation: 6*2=12, Resulting Numbers: [7, 60, 12] Generated Node #0,2: 79:[7, 60, 12] Operation: 6*2=12 Moving to Node #0,2 Current State: 79:[7, 60, 12], Operations: ['6*2=12'] Exploring Operation: 7+60=67, Resulting Numbers: [12, 67] Generated Node #0,2,1: 79:[12, 67] Operation: 7+60=67 Moving to Node #0,2,1 Current State: 79:[12, 67], Operations: ['6*2=12', '7+60=67'] Exploring Operation: 12+67=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
0.966146
hs_3
mult_heuristic
[ 13, 77, 14, 27 ]
34
[ "77+14=91", "91/13=7", "27+7=34" ]
Current State: 34:[13, 77, 14, 27], Operations: [] Exploring Operation: 77+14=91, Resulting Numbers: [13, 27, 91] Generated Node #2: [13, 27, 91] from Operation: 77+14=91 Current State: 34:[13, 27, 91], Operations: ['77+14=91'] Exploring Operation: 91/13=7, Resulting Numbers: [27, 7] Generated Node #3: [27, 7] from Operation: 91/13=7 Current State: 34:[27, 7], Operations: ['77+14=91', '91/13=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[13, 77, 14, 27], Operations: [] Exploring Operation: 77-14=63, Resulting Numbers: [13, 27, 63] Generated Node #0,0: 34:[13, 27, 63] Operation: 77-14=63 Exploring Operation: 27-13=14, Resulting Numbers: [77, 14, 14] Generated Node #0,1: 34:[77, 14, 14] Operation: 27-13=14 Exploring Operation: 77-27=50, Resulting Numbers: [13, 14, 50] Generated Node #0,2: 34:[13, 14, 50] Operation: 77-27=50 Exploring Operation: 77-13=64, Resulting Numbers: [14, 27, 64] Generated Node #0,3: 34:[14, 27, 64] Operation: 77-13=64 Moving to Node #0,2 Current State: 34:[13, 14, 50], Operations: ['77-27=50'] Exploring Operation: 13+14=27, Resulting Numbers: [50, 27] Generated Node #0,2,0: 34:[50, 27] Operation: 13+14=27 Exploring Operation: 50-14=36, Resulting Numbers: [13, 36] Generated Node #0,2,1: 34:[13, 36] Operation: 50-14=36 Exploring Operation: 14-13=1, Resulting Numbers: [50, 1] Generated Node #0,2,2: 34:[50, 1] Operation: 14-13=1 Exploring Operation: 50-13=37, Resulting Numbers: [14, 37] Generated Node #0,2,3: 34:[14, 37] Operation: 50-13=37 Moving to Node #0,3 Current State: 34:[14, 27, 64], Operations: ['77-13=64'] Exploring Operation: 27-14=13, Resulting Numbers: [64, 13] Generated Node #0,3,0: 34:[64, 13] Operation: 27-14=13 Exploring Operation: 64-27=37, Resulting Numbers: [14, 37] Generated Node #0,3,1: 34:[14, 37] Operation: 64-27=37 Exploring Operation: 64-14=50, Resulting Numbers: [27, 50] Generated Node #0,3,2: 34:[27, 50] Operation: 64-14=50 Exploring Operation: 14+27=41, Resulting Numbers: [64, 41] Generated Node #0,3,3: 34:[64, 41] Operation: 14+27=41 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 34:[14, 37], Operations: ['77-13=64', '64-27=37'] Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 14+37=51, Resulting Numbers: [51] 51,34 unequal: No Solution Exploring Operation: 14*37=518, Resulting Numbers: [518] 518,34 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 #0,3,2 Current State: 34:[27, 50], Operations: ['77-13=64', '64-14=50'] Exploring Operation: 27+50=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 27*50=1350, Resulting Numbers: [1350] 1350,34 unequal: No Solution Exploring Operation: 50-27=23, Resulting Numbers: [23] 23,34 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 #0,3,0 Current State: 34:[64, 13], Operations: ['77-13=64', '27-14=13'] Exploring Operation: 64*13=832, Resulting Numbers: [832] 832,34 unequal: No Solution Exploring Operation: 64+13=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 64-13=51, Resulting Numbers: [51] 51,34 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 #0,3,3 Current State: 34:[64, 41], Operations: ['77-13=64', '14+27=41'] Exploring Operation: 64+41=105, Resulting Numbers: [105] 105,34 unequal: No Solution Exploring Operation: 64*41=2624, Resulting Numbers: [2624] 2624,34 unequal: No Solution Exploring Operation: 64-41=23, Resulting Numbers: [23] 23,34 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: 34:[13, 27, 63], Operations: ['77-14=63'] Exploring Operation: 63-27=36, Resulting Numbers: [13, 36] Generated Node #0,0,0: 34:[13, 36] Operation: 63-27=36 Exploring Operation: 27-13=14, Resulting Numbers: [63, 14] Generated Node #0,0,1: 34:[63, 14] Operation: 27-13=14 Exploring Operation: 63-13=50, Resulting Numbers: [27, 50] Generated Node #0,0,2: 34:[27, 50] Operation: 63-13=50 Exploring Operation: 13+27=40, Resulting Numbers: [63, 40] Generated Node #0,0,3: 34:[63, 40] Operation: 13+27=40 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[13, 36], Operations: ['77-14=63', '63-27=36'] Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 13+36=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 13*36=468, Resulting Numbers: [468] 468,34 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 #0,0,2 Current State: 34:[27, 50], Operations: ['77-14=63', '63-13=50'] Exploring Operation: 50-27=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 27*50=1350, Resulting Numbers: [1350] 1350,34 unequal: No Solution Exploring Operation: 27+50=77, Resulting Numbers: [77] 77,34 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 #0,0,1 Current State: 34:[63, 14], Operations: ['77-14=63', '27-13=14'] Exploring Operation: 63+14=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 63*14=882, Resulting Numbers: [882] 882,34 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,34 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 #0,0,3 Current State: 34:[63, 40], Operations: ['77-14=63', '13+27=40'] Exploring Operation: 63*40=2520, Resulting Numbers: [2520] 2520,34 unequal: No Solution Exploring Operation: 63+40=103, Resulting Numbers: [103] 103,34 unequal: No Solution Exploring Operation: 63-40=23, Resulting Numbers: [23] 23,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 34:[77, 14, 14], Operations: ['27-13=14'] Exploring Operation: 77-14=63, Resulting Numbers: [14, 63] Generated Node #0,1,0: 34:[14, 63] Operation: 77-14=63 Exploring Operation: 14-14=0, Resulting Numbers: [77, 0] Generated Node #0,1,1: 34:[77, 0] Operation: 14-14=0 Exploring Operation: 14/14=1, Resulting Numbers: [77, 1] Generated Node #0,1,2: 34:[77, 1] Operation: 14/14=1 Exploring Operation: 77-14=63, Resulting Numbers: [14, 63] Generated Node #0,1,3: 34:[14, 63] Operation: 77-14=63 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[14, 63], Operations: ['27-13=14', '77-14=63'] Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 14*63=882, Resulting Numbers: [882] 882,34 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,34 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 #0,1,3 Current State: 34:[14, 63], Operations: ['27-13=14', '77-14=63'] Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 14*63=882, Resulting Numbers: [882] 882,34 unequal: No Solution Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,34 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 #0,1,2 Current State: 34:[77, 1], Operations: ['27-13=14', '14/14=1'] Exploring Operation: 77/1=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 77*1=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 77+1=78, Resulting Numbers: [78] 78,34 unequal: No Solution Exploring Operation: 77-1=76, Resulting Numbers: [76] 76,34 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 #0,1,1 Current State: 34:[77, 0], Operations: ['27-13=14', '14-14=0'] Exploring Operation: 77*0=0, Resulting Numbers: [0] 0,34 unequal: No Solution Exploring Operation: 77+0=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 77-0=77, Resulting Numbers: [77] 77,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 34:[13, 36], Operations: ['77-27=50', '50-14=36'] Exploring Operation: 13+36=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 13*36=468, Resulting Numbers: [468] 468,34 unequal: No Solution Moving to Node #0,2,3 Current State: 34:[14, 37], Operations: ['77-27=50', '50-13=37'] Exploring Operation: 14*37=518, Resulting Numbers: [518] 518,34 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,34 unequal: No Solution Exploring Operation: 14+37=51, Resulting Numbers: [51] 51,34 unequal: No Solution Moving to Node #0,2,2 Current State: 34:[50, 1], Operations: ['77-27=50', '14-13=1'] Exploring Operation: 50/1=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 50+1=51, Resulting Numbers: [51] 51,34 unequal: No Solution Exploring Operation: 50-1=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 50*1=50, Resulting Numbers: [50] 50,34 unequal: No Solution Moving to Node #0,2,0 Current State: 34:[50, 27], Operations: ['77-27=50', '13+14=27'] Exploring Operation: 50*27=1350, Resulting Numbers: [1350] 1350,34 unequal: No Solution Exploring Operation: 50+27=77, Resulting Numbers: [77] 77,34 unequal: No Solution Exploring Operation: 50-27=23, Resulting Numbers: [23] 23,34 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 8, 84, 72, 41 ]
52
[ "72/8=9", "84-41=43", "9+43=52" ]
Current State: 52:[8, 84, 72, 41], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [84, 41, 9] Generated Node #2: [84, 41, 9] from Operation: 72/8=9 Current State: 52:[84, 41, 9], Operations: ['72/8=9'] Exploring Operation: 84-41=43, Resulting Numbers: [9, 43] Generated Node #3: [9, 43] from Operation: 84-41=43 Current State: 52:[9, 43], Operations: ['72/8=9', '84-41=43'] Exploring Operation: 9+43=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[8, 84, 72, 41], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [8, 41, 12] Generated Node #0,0: 52:[8, 41, 12] Operation: 84-72=12 Exploring Operation: 84-41=43, Resulting Numbers: [8, 72, 43] Generated Node #0,1: 52:[8, 72, 43] Operation: 84-41=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[8, 41, 12], Operations: ['84-72=12'] Exploring Operation: 8+41=49, Resulting Numbers: [12, 49] Generated Node #0,0,0: 52:[12, 49] Operation: 8+41=49 Exploring Operation: 41+12=53, Resulting Numbers: [8, 53] Generated Node #0,0,1: 52:[8, 53] Operation: 41+12=53 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[12, 49], Operations: ['84-72=12', '8+41=49'] Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 12+49=61, Resulting Numbers: [61] 61,52 unequal: No Solution No 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: 52:[8, 53], Operations: ['84-72=12', '41+12=53'] Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,52 unequal: No Solution Exploring Operation: 8+53=61, Resulting Numbers: [61] 61,52 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: 52:[8, 72, 43], Operations: ['84-41=43'] Exploring Operation: 72-43=29, Resulting Numbers: [8, 29] Generated Node #0,1,0: 52:[8, 29] Operation: 72-43=29 Exploring Operation: 72/8=9, Resulting Numbers: [43, 9] Generated Node #0,1,1: 52:[43, 9] Operation: 72/8=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[8, 29], Operations: ['84-41=43', '72-43=29'] Exploring Operation: 8+29=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,52 unequal: No Solution No 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: 52:[43, 9], Operations: ['84-41=43', '72/8=9'] Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[8, 84, 72, 41], Operations: [] Exploring Operation: 84-41=43, Resulting Numbers: [8, 72, 43] Generated Node #0,1: 52:[8, 72, 43] Operation: 84-41=43 Moving to Node #0,1 Current State: 52:[8, 72, 43], Operations: ['84-41=43'] Exploring Operation: 72/8=9, Resulting Numbers: [43, 9] Generated Node #0,1,1: 52:[43, 9] Operation: 72/8=9 Moving to Node #0,1,1 Current State: 52:[43, 9], Operations: ['84-41=43', '72/8=9'] Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_2
mult_heuristic
[ 20, 13, 19, 86 ]
34
[ "20+13=33", "86-19=67", "67-33=34" ]
Current State: 34:[20, 13, 19, 86], Operations: [] Exploring Operation: 20+13=33, Resulting Numbers: [19, 86, 33] Generated Node #2: [19, 86, 33] from Operation: 20+13=33 Current State: 34:[19, 86, 33], Operations: ['20+13=33'] Exploring Operation: 86-19=67, Resulting Numbers: [33, 67] Generated Node #3: [33, 67] from Operation: 86-19=67 Current State: 34:[33, 67], Operations: ['20+13=33', '86-19=67'] Exploring Operation: 67-33=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[20, 13, 19, 86], Operations: [] Exploring Operation: 86-20=66, Resulting Numbers: [13, 19, 66] Generated Node #0,0: 34:[13, 19, 66] Operation: 86-20=66 Exploring Operation: 86-19=67, Resulting Numbers: [20, 13, 67] Generated Node #0,1: 34:[20, 13, 67] Operation: 86-19=67 Moving to Node #0,0 Current State: 34:[13, 19, 66], Operations: ['86-20=66'] Exploring Operation: 66-13=53, Resulting Numbers: [19, 53] Generated Node #0,0,0: 34:[19, 53] Operation: 66-13=53 Exploring Operation: 66-19=47, Resulting Numbers: [13, 47] Generated Node #0,0,1: 34:[13, 47] Operation: 66-19=47 Moving to Node #0,1 Current State: 34:[20, 13, 67], Operations: ['86-19=67'] Exploring Operation: 67-13=54, Resulting Numbers: [20, 54] Generated Node #0,1,0: 34:[20, 54] Operation: 67-13=54 Exploring Operation: 67-20=47, Resulting Numbers: [13, 47] Generated Node #0,1,1: 34:[13, 47] Operation: 67-20=47 Moving to Node #0,0,1 Current State: 34:[13, 47], Operations: ['86-20=66', '66-19=47'] Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[20, 13, 19, 86], Operations: [] Exploring Operation: 86-20=66, Resulting Numbers: [13, 19, 66] Generated Node #0,0: 34:[13, 19, 66] Operation: 86-20=66 Moving to Node #0,0 Current State: 34:[13, 19, 66], Operations: ['86-20=66'] Exploring Operation: 66-19=47, Resulting Numbers: [13, 47] Generated Node #0,0,1: 34:[13, 47] Operation: 66-19=47 Moving to Node #0,0,1 Current State: 34:[13, 47], Operations: ['86-20=66', '66-19=47'] Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
0.990451
hs_2
mult_heuristic
[ 53, 46, 21, 71 ]
29
[ "21*71=1491", "46+1491=1537", "1537/53=29" ]
Current State: 29:[53, 46, 21, 71], Operations: [] Exploring Operation: 21*71=1491, Resulting Numbers: [53, 46, 1491] Generated Node #2: [53, 46, 1491] from Operation: 21*71=1491 Current State: 29:[53, 46, 1491], Operations: ['21*71=1491'] Exploring Operation: 46+1491=1537, Resulting Numbers: [53, 1537] Generated Node #3: [53, 1537] from Operation: 46+1491=1537 Current State: 29:[53, 1537], Operations: ['21*71=1491', '46+1491=1537'] Exploring Operation: 1537/53=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[53, 46, 21, 71], Operations: [] Exploring Operation: 71-46=25, Resulting Numbers: [53, 21, 25] Generated Node #0,0: 29:[53, 21, 25] Operation: 71-46=25 Exploring Operation: 71-53=18, Resulting Numbers: [46, 21, 18] Generated Node #0,1: 29:[46, 21, 18] Operation: 71-53=18 Exploring Operation: 46-21=25, Resulting Numbers: [53, 71, 25] Generated Node #0,2: 29:[53, 71, 25] Operation: 46-21=25 Exploring Operation: 53-21=32, Resulting Numbers: [46, 71, 32] Generated Node #0,3: 29:[46, 71, 32] Operation: 53-21=32 Exploring Operation: 71-21=50, Resulting Numbers: [53, 46, 50] Generated Node #0,4: 29:[53, 46, 50] Operation: 71-21=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[53, 21, 25], Operations: ['71-46=25'] Exploring Operation: 53-21=32, Resulting Numbers: [25, 32] Generated Node #0,0,0: 29:[25, 32] Operation: 53-21=32 Exploring Operation: 53+21=74, Resulting Numbers: [25, 74] Generated Node #0,0,1: 29:[25, 74] Operation: 53+21=74 Exploring Operation: 25-21=4, Resulting Numbers: [53, 4] Generated Node #0,0,2: 29:[53, 4] Operation: 25-21=4 Exploring Operation: 21+25=46, Resulting Numbers: [53, 46] Generated Node #0,0,3: 29:[53, 46] Operation: 21+25=46 Exploring Operation: 53-25=28, Resulting Numbers: [21, 28] Generated Node #0,0,4: 29:[21, 28] Operation: 53-25=28 Moving to Node #0,0,0 Current State: 29:[25, 32], Operations: ['71-46=25', '53-21=32'] Exploring Operation: 25+32=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 25*32=800, Resulting Numbers: [800] 800,29 unequal: No Solution Moving to Node #0,0,4 Current State: 29:[21, 28], Operations: ['71-46=25', '53-25=28'] Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 21+28=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 21*28=588, Resulting Numbers: [588] 588,29 unequal: No Solution Moving to Node #0,0,3 Current State: 29:[53, 46], Operations: ['71-46=25', '21+25=46'] Exploring Operation: 53+46=99, Resulting Numbers: [99] 99,29 unequal: No Solution Exploring Operation: 53*46=2438, Resulting Numbers: [2438] 2438,29 unequal: No Solution Exploring Operation: 53-46=7, Resulting Numbers: [7] 7,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[25, 74], Operations: ['71-46=25', '53+21=74'] Exploring Operation: 25*74=1850, Resulting Numbers: [1850] 1850,29 unequal: No Solution Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 25+74=99, Resulting Numbers: [99] 99,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[53, 4], Operations: ['71-46=25', '25-21=4'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 53+4=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 53*4=212, Resulting Numbers: [212] 212,29 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:[46, 21, 18], Operations: ['71-53=18'] Exploring Operation: 46-21=25, Resulting Numbers: [18, 25] Generated Node #0,1,0: 29:[18, 25] Operation: 46-21=25 Exploring Operation: 46+18=64, Resulting Numbers: [21, 64] Generated Node #0,1,1: 29:[21, 64] Operation: 46+18=64 Exploring Operation: 46-18=28, Resulting Numbers: [21, 28] Generated Node #0,1,2: 29:[21, 28] Operation: 46-18=28 Exploring Operation: 21+18=39, Resulting Numbers: [46, 39] Generated Node #0,1,3: 29:[46, 39] Operation: 21+18=39 Exploring Operation: 21-18=3, Resulting Numbers: [46, 3] Generated Node #0,1,4: 29:[46, 3] Operation: 21-18=3 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 29:[21, 28], Operations: ['71-53=18', '46-18=28'] Exploring Operation: 28-21=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 21+28=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 21*28=588, Resulting Numbers: [588] 588,29 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 #0,1,0 Current State: 29:[18, 25], Operations: ['71-53=18', '46-21=25'] Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 18*25=450, Resulting Numbers: [450] 450,29 unequal: No Solution Exploring Operation: 18+25=43, Resulting Numbers: [43] 43,29 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 #0,1,3 Current State: 29:[46, 39], Operations: ['71-53=18', '21+18=39'] Exploring Operation: 46+39=85, Resulting Numbers: [85] 85,29 unequal: No Solution Exploring Operation: 46*39=1794, Resulting Numbers: [1794] 1794,29 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,29 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 #0,1,1 Current State: 29:[21, 64], Operations: ['71-53=18', '46+18=64'] Exploring Operation: 21*64=1344, Resulting Numbers: [1344] 1344,29 unequal: No Solution Exploring Operation: 21+64=85, Resulting Numbers: [85] 85,29 unequal: No Solution Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,29 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 #0,1,4 Current State: 29:[46, 3], Operations: ['71-53=18', '21-18=3'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,29 unequal: No Solution Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 46*3=138, Resulting Numbers: [138] 138,29 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:[46, 71, 32], Operations: ['53-21=32'] Exploring Operation: 71-32=39, Resulting Numbers: [46, 39] Generated Node #0,3,0: 29:[46, 39] Operation: 71-32=39 Exploring Operation: 46+71=117, Resulting Numbers: [32, 117] Generated Node #0,3,1: 29:[32, 117] Operation: 46+71=117 Exploring Operation: 46-32=14, Resulting Numbers: [71, 14] Generated Node #0,3,2: 29:[71, 14] Operation: 46-32=14 Exploring Operation: 71-46=25, Resulting Numbers: [32, 25] Generated Node #0,3,3: 29:[32, 25] Operation: 71-46=25 Exploring Operation: 46+32=78, Resulting Numbers: [71, 78] Generated Node #0,3,4: 29:[71, 78] Operation: 46+32=78 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 29:[32, 25], Operations: ['53-21=32', '71-46=25'] Exploring Operation: 32-25=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 32+25=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 32*25=800, Resulting Numbers: [800] 800,29 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 #0,3,0 Current State: 29:[46, 39], Operations: ['53-21=32', '71-32=39'] Exploring Operation: 46*39=1794, Resulting Numbers: [1794] 1794,29 unequal: No Solution Exploring Operation: 46+39=85, Resulting Numbers: [85] 85,29 unequal: No Solution Exploring Operation: 46-39=7, Resulting Numbers: [7] 7,29 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:[71, 14], Operations: ['53-21=32', '46-32=14'] Exploring Operation: 71*14=994, Resulting Numbers: [994] 994,29 unequal: No Solution Exploring Operation: 71-14=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 71+14=85, Resulting Numbers: [85] 85,29 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:[32, 117], Operations: ['53-21=32', '46+71=117'] Exploring Operation: 32*117=3744, Resulting Numbers: [3744] 3744,29 unequal: No Solution Exploring Operation: 32+117=149, Resulting Numbers: [149] 149,29 unequal: No Solution Exploring Operation: 117-32=85, Resulting Numbers: [85] 85,29 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:[71, 78], Operations: ['53-21=32', '46+32=78'] Exploring Operation: 71+78=149, Resulting Numbers: [149] 149,29 unequal: No Solution Exploring Operation: 78-71=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 71*78=5538, Resulting Numbers: [5538] 5538,29 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 #0,4 Current State: 29:[53, 46, 50], Operations: ['71-21=50'] Exploring Operation: 50-46=4, Resulting Numbers: [53, 4] Generated Node #0,4,0: 29:[53, 4] Operation: 50-46=4 Exploring Operation: 53+46=99, Resulting Numbers: [50, 99] Generated Node #0,4,1: 29:[50, 99] Operation: 53+46=99 Exploring Operation: 53-46=7, Resulting Numbers: [50, 7] Generated Node #0,4,2: 29:[50, 7] Operation: 53-46=7 Exploring Operation: 53-50=3, Resulting Numbers: [46, 3] Generated Node #0,4,3: 29:[46, 3] Operation: 53-50=3 Exploring Operation: 53+50=103, Resulting Numbers: [46, 103] Generated Node #0,4,4: 29:[46, 103] Operation: 53+50=103 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 29:[50, 7], Operations: ['71-21=50', '53-46=7'] Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,29 unequal: No Solution Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,29 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:[46, 3], Operations: ['71-21=50', '53-50=3'] Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,29 unequal: No Solution Exploring Operation: 46*3=138, Resulting Numbers: [138] 138,29 unequal: No Solution Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,29 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:[53, 4], Operations: ['71-21=50', '50-46=4'] Exploring Operation: 53+4=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 53*4=212, Resulting Numbers: [212] 212,29 unequal: No Solution Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,29 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:[50, 99], Operations: ['71-21=50', '53+46=99'] Exploring Operation: 50*99=4950, Resulting Numbers: [4950] 4950,29 unequal: No Solution Exploring Operation: 50+99=149, Resulting Numbers: [149] 149,29 unequal: No Solution Exploring Operation: 99-50=49, Resulting Numbers: [49] 49,29 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:[46, 103], Operations: ['71-21=50', '53+50=103'] Exploring Operation: 46+103=149, Resulting Numbers: [149] 149,29 unequal: No Solution Exploring Operation: 46*103=4738, Resulting Numbers: [4738] 4738,29 unequal: No Solution Exploring Operation: 103-46=57, Resulting Numbers: [57] 57,29 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 #0,2 Current State: 29:[53, 71, 25], Operations: ['46-21=25'] Exploring Operation: 71-25=46, Resulting Numbers: [53, 46] Generated Node #0,2,0: 29:[53, 46] Operation: 71-25=46 Exploring Operation: 53-25=28, Resulting Numbers: [71, 28] Generated Node #0,2,1: 29:[71, 28] Operation: 53-25=28 Exploring Operation: 71+25=96, Resulting Numbers: [53, 96] Generated Node #0,2,2: 29:[53, 96] Operation: 71+25=96 Exploring Operation: 53+25=78, Resulting Numbers: [71, 78] Generated Node #0,2,3: 29:[71, 78] Operation: 53+25=78 Exploring Operation: 71-53=18, Resulting Numbers: [25, 18] Generated Node #0,2,4: 29:[25, 18] Operation: 71-53=18 Moving to Node #0,2,4 Current State: 29:[25, 18], Operations: ['46-21=25', '71-53=18'] Exploring Operation: 25*18=450, Resulting Numbers: [450] 450,29 unequal: No Solution Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 25+18=43, Resulting Numbers: [43] 43,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[53, 46], Operations: ['46-21=25', '71-25=46'] Exploring Operation: 53*46=2438, Resulting Numbers: [2438] 2438,29 unequal: No Solution Exploring Operation: 53-46=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 53+46=99, Resulting Numbers: [99] 99,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[71, 28], Operations: ['46-21=25', '53-25=28'] Exploring Operation: 71*28=1988, Resulting Numbers: [1988] 1988,29 unequal: No Solution Exploring Operation: 71+28=99, Resulting Numbers: [99] 99,29 unequal: No Solution Exploring Operation: 71-28=43, Resulting Numbers: [43] 43,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[53, 96], Operations: ['46-21=25', '71+25=96'] Exploring Operation: 53+96=149, Resulting Numbers: [149] 149,29 unequal: No Solution Exploring Operation: 96-53=43, Resulting Numbers: [43] 43,29 unequal: No Solution Exploring Operation: 53*96=5088, Resulting Numbers: [5088] 5088,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[71, 78], Operations: ['46-21=25', '53+25=78'] Exploring Operation: 71+78=149, Resulting Numbers: [149] 149,29 unequal: No Solution Exploring Operation: 71*78=5538, Resulting Numbers: [5538] 5538,29 unequal: No Solution Exploring Operation: 78-71=7, Resulting Numbers: [7] 7,29 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