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
[ 80, 70, 5, 15 ]
33
[ "80+70=150", "15+150=165", "165/5=33" ]
Current State: 33:[80, 70, 5, 15], Operations: [] Exploring Operation: 80+70=150, Resulting Numbers: [5, 15, 150] Generated Node #2: [5, 15, 150] from Operation: 80+70=150 Current State: 33:[5, 15, 150], Operations: ['80+70=150'] Exploring Operation: 15+150=165, Resulting Numbers: [5, 165] Generated Node #3: [5, 165] from Operation: 15+150=165 Current State: 33:[5, 165], Operations: ['80+70=150', '15+150=165'] Exploring Operation: 165/5=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[80, 70, 5, 15], Operations: [] Exploring Operation: 80/5=16, Resulting Numbers: [70, 15, 16] Generated Node #0,0: 33:[70, 15, 16] Operation: 80/5=16 Exploring Operation: 80-70=10, Resulting Numbers: [5, 15, 10] Generated Node #0,1: 33:[5, 15, 10] Operation: 80-70=10 Exploring Operation: 80-15=65, Resulting Numbers: [70, 5, 65] Generated Node #0,2: 33:[70, 5, 65] Operation: 80-15=65 Exploring Operation: 70/5=14, Resulting Numbers: [80, 15, 14] Generated Node #0,3: 33:[80, 15, 14] Operation: 70/5=14 Moving to Node #0,1 Current State: 33:[5, 15, 10], Operations: ['80-70=10'] Exploring Operation: 15-10=5, Resulting Numbers: [5, 5] Generated Node #0,1,0: 33:[5, 5] Operation: 15-10=5 Exploring Operation: 15/5=3, Resulting Numbers: [10, 3] Generated Node #0,1,1: 33:[10, 3] Operation: 15/5=3 Exploring Operation: 10/5=2, Resulting Numbers: [15, 2] Generated Node #0,1,2: 33:[15, 2] Operation: 10/5=2 Exploring Operation: 15-5=10, Resulting Numbers: [10, 10] Generated Node #0,1,3: 33:[10, 10] Operation: 15-5=10 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 33:[10, 3], Operations: ['80-70=10', '15/5=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,33 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 33:[10, 10], Operations: ['80-70=10', '15-5=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,33 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,33 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 33:[5, 5], Operations: ['80-70=10', '15-10=5'] Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,33 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 33:[15, 2], Operations: ['80-70=10', '10/5=2'] Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,33 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,33 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,33 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: 33:[70, 15, 16], Operations: ['80/5=16'] Exploring Operation: 16-15=1, Resulting Numbers: [70, 1] Generated Node #0,0,0: 33:[70, 1] Operation: 16-15=1 Exploring Operation: 15+16=31, Resulting Numbers: [70, 31] Generated Node #0,0,1: 33:[70, 31] Operation: 15+16=31 Exploring Operation: 70-15=55, Resulting Numbers: [16, 55] Generated Node #0,0,2: 33:[16, 55] Operation: 70-15=55 Exploring Operation: 70-16=54, Resulting Numbers: [15, 54] Generated Node #0,0,3: 33:[15, 54] Operation: 70-16=54 Moving to Node #0,3 Current State: 33:[80, 15, 14], Operations: ['70/5=14'] Exploring Operation: 80-15=65, Resulting Numbers: [14, 65] Generated Node #0,3,0: 33:[14, 65] Operation: 80-15=65 Exploring Operation: 80-14=66, Resulting Numbers: [15, 66] Generated Node #0,3,1: 33:[15, 66] Operation: 80-14=66 Exploring Operation: 15-14=1, Resulting Numbers: [80, 1] Generated Node #0,3,2: 33:[80, 1] Operation: 15-14=1 Exploring Operation: 15+14=29, Resulting Numbers: [80, 29] Generated Node #0,3,3: 33:[80, 29] Operation: 15+14=29 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 33:[14, 65], Operations: ['70/5=14', '80-15=65'] Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,33 unequal: No Solution Exploring Operation: 14+65=79, Resulting Numbers: [79] 79,33 unequal: No Solution Exploring Operation: 14*65=910, Resulting Numbers: [910] 910,33 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:[15, 66], Operations: ['70/5=14', '80-14=66'] Exploring Operation: 66-15=51, Resulting Numbers: [51] 51,33 unequal: No Solution Exploring Operation: 15+66=81, Resulting Numbers: [81] 81,33 unequal: No Solution Exploring Operation: 15*66=990, Resulting Numbers: [990] 990,33 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:[80, 1], Operations: ['70/5=14', '15-14=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,33 unequal: No Solution Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,33 unequal: No Solution Exploring Operation: 80-1=79, Resulting Numbers: [79] 79,33 unequal: No Solution Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,33 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:[80, 29], Operations: ['70/5=14', '15+14=29'] Exploring Operation: 80-29=51, Resulting Numbers: [51] 51,33 unequal: No Solution Exploring Operation: 80+29=109, Resulting Numbers: [109] 109,33 unequal: No Solution Exploring Operation: 80*29=2320, Resulting Numbers: [2320] 2320,33 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: 33:[70, 5, 65], Operations: ['80-15=65'] Exploring Operation: 65/5=13, Resulting Numbers: [70, 13] Generated Node #0,2,0: 33:[70, 13] Operation: 65/5=13 Exploring Operation: 70-5=65, Resulting Numbers: [65, 65] Generated Node #0,2,1: 33:[65, 65] Operation: 70-5=65 Exploring Operation: 70-65=5, Resulting Numbers: [5, 5] Generated Node #0,2,2: 33:[5, 5] Operation: 70-65=5 Exploring Operation: 70/5=14, Resulting Numbers: [65, 14] Generated Node #0,2,3: 33:[65, 14] Operation: 70/5=14 Moving to Node #0,2,2 Current State: 33:[5, 5], Operations: ['80-15=65', '70-65=5'] Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,33 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,33 unequal: No Solution Moving to Node #0,0,3 Current State: 33:[15, 54], Operations: ['80/5=16', '70-16=54'] Exploring Operation: 15+54=69, Resulting Numbers: [69] 69,33 unequal: No Solution Exploring Operation: 54-15=39, Resulting Numbers: [39] 39,33 unequal: No Solution Exploring Operation: 15*54=810, Resulting Numbers: [810] 810,33 unequal: No Solution Moving to Node #0,0,2 Current State: 33:[16, 55], Operations: ['80/5=16', '70-15=55'] Exploring Operation: 16*55=880, Resulting Numbers: [880] 880,33 unequal: No Solution Exploring Operation: 16+55=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,33 unequal: No Solution Moving to Node #0,2,3 Current State: 33:[65, 14], Operations: ['80-15=65', '70/5=14'] Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,33 unequal: No Solution Exploring Operation: 65+14=79, Resulting Numbers: [79] 79,33 unequal: No Solution Exploring Operation: 65*14=910, Resulting Numbers: [910] 910,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[70, 1], Operations: ['80/5=16', '16-15=1'] Exploring Operation: 70/1=70, Resulting Numbers: [70] 70,33 unequal: No Solution Exploring Operation: 70-1=69, Resulting Numbers: [69] 69,33 unequal: No Solution Exploring Operation: 70+1=71, Resulting Numbers: [71] 71,33 unequal: No Solution Exploring Operation: 70*1=70, Resulting Numbers: [70] 70,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[70, 31], Operations: ['80/5=16', '15+16=31'] Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,33 unequal: No Solution Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,33 unequal: No Solution Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[70, 13], Operations: ['80-15=65', '65/5=13'] Exploring Operation: 70-13=57, Resulting Numbers: [57] 57,33 unequal: No Solution Exploring Operation: 70+13=83, Resulting Numbers: [83] 83,33 unequal: No Solution Exploring Operation: 70*13=910, Resulting Numbers: [910] 910,33 unequal: No Solution Moving to Node #0,2,1 Current State: 33:[65, 65], Operations: ['80-15=65', '70-5=65'] Exploring Operation: 65*65=4225, Resulting Numbers: [4225] 4225,33 unequal: No Solution Exploring Operation: 65/65=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 65+65=130, Resulting Numbers: [130] 130,33 unequal: No Solution Exploring Operation: 65-65=0, Resulting Numbers: [0] 0,33 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 6, 60, 18, 90 ]
33
[ "18/6=3", "90-60=30", "3+30=33" ]
Current State: 33:[6, 60, 18, 90], Operations: [] Exploring Operation: 18/6=3, Resulting Numbers: [60, 90, 3] Generated Node #2: [60, 90, 3] from Operation: 18/6=3 Current State: 33:[60, 90, 3], Operations: ['18/6=3'] Exploring Operation: 90-60=30, Resulting Numbers: [3, 30] Generated Node #3: [3, 30] from Operation: 90-60=30 Current State: 33:[3, 30], Operations: ['18/6=3', '90-60=30'] Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[6, 60, 18, 90], Operations: [] Exploring Operation: 90-60=30, Resulting Numbers: [6, 18, 30] Generated Node #0,0: 33:[6, 18, 30] Operation: 90-60=30 Moving to Node #0,0 Current State: 33:[6, 18, 30], Operations: ['90-60=30'] Exploring Operation: 18/6=3, Resulting Numbers: [30, 3] Generated Node #0,0,0: 33:[30, 3] Operation: 18/6=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[30, 3], Operations: ['90-60=30', '18/6=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[6, 60, 18, 90], Operations: [] Exploring Operation: 90-60=30, Resulting Numbers: [6, 18, 30] Generated Node #0,0: 33:[6, 18, 30] Operation: 90-60=30 Moving to Node #0,0 Current State: 33:[6, 18, 30], Operations: ['90-60=30'] Exploring Operation: 18/6=3, Resulting Numbers: [30, 3] Generated Node #0,0,0: 33:[30, 3] Operation: 18/6=3 Moving to Node #0,0,0 Current State: 33:[30, 3], Operations: ['90-60=30', '18/6=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 15, 18, 43, 42 ]
29
[ "18-15=3", "42/3=14", "43-14=29" ]
Current State: 29:[15, 18, 43, 42], Operations: [] Exploring Operation: 18-15=3, Resulting Numbers: [43, 42, 3] Generated Node #2: [43, 42, 3] from Operation: 18-15=3 Current State: 29:[43, 42, 3], Operations: ['18-15=3'] Exploring Operation: 42/3=14, Resulting Numbers: [43, 14] Generated Node #3: [43, 14] from Operation: 42/3=14 Current State: 29:[43, 14], Operations: ['18-15=3', '42/3=14'] Exploring Operation: 43-14=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[15, 18, 43, 42], Operations: [] Exploring Operation: 42-15=27, Resulting Numbers: [18, 43, 27] Generated Node #0,0: 29:[18, 43, 27] Operation: 42-15=27 Exploring Operation: 43-15=28, Resulting Numbers: [18, 42, 28] Generated Node #0,1: 29:[18, 42, 28] Operation: 43-15=28 Exploring Operation: 15+18=33, Resulting Numbers: [43, 42, 33] Generated Node #0,2: 29:[43, 42, 33] Operation: 15+18=33 Exploring Operation: 43-18=25, Resulting Numbers: [15, 42, 25] Generated Node #0,3: 29:[15, 42, 25] Operation: 43-18=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[18, 42, 28], Operations: ['43-15=28'] Exploring Operation: 18+28=46, Resulting Numbers: [42, 46] Generated Node #0,1,0: 29:[42, 46] Operation: 18+28=46 Exploring Operation: 18+42=60, Resulting Numbers: [28, 60] Generated Node #0,1,1: 29:[28, 60] Operation: 18+42=60 Exploring Operation: 42-28=14, Resulting Numbers: [18, 14] Generated Node #0,1,2: 29:[18, 14] Operation: 42-28=14 Exploring Operation: 42-18=24, Resulting Numbers: [28, 24] Generated Node #0,1,3: 29:[28, 24] Operation: 42-18=24 Moving to Node #0,1,3 Current State: 29:[28, 24], Operations: ['43-15=28', '42-18=24'] Exploring Operation: 28-24=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 28+24=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 28*24=672, Resulting Numbers: [672] 672,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[18, 14], Operations: ['43-15=28', '42-28=14'] Exploring Operation: 18*14=252, Resulting Numbers: [252] 252,29 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,29 unequal: No Solution Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,29 unequal: No Solution Moving to Node #0,1,0 Current State: 29:[42, 46], Operations: ['43-15=28', '18+28=46'] Exploring Operation: 42*46=1932, Resulting Numbers: [1932] 1932,29 unequal: No Solution Exploring Operation: 42+46=88, Resulting Numbers: [88] 88,29 unequal: No Solution Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[28, 60], Operations: ['43-15=28', '18+42=60'] Exploring Operation: 28*60=1680, Resulting Numbers: [1680] 1680,29 unequal: No Solution Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 28+60=88, Resulting Numbers: [88] 88,29 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:[18, 43, 27], Operations: ['42-15=27'] Exploring Operation: 43-18=25, Resulting Numbers: [27, 25] Generated Node #0,0,0: 29:[27, 25] Operation: 43-18=25 Exploring Operation: 18+27=45, Resulting Numbers: [43, 45] Generated Node #0,0,1: 29:[43, 45] Operation: 18+27=45 Exploring Operation: 43-27=16, Resulting Numbers: [18, 16] Generated Node #0,0,2: 29:[18, 16] Operation: 43-27=16 Exploring Operation: 18+43=61, Resulting Numbers: [27, 61] Generated Node #0,0,3: 29:[27, 61] Operation: 18+43=61 Moving to Node #0,0,0 Current State: 29:[27, 25], Operations: ['42-15=27', '43-18=25'] Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 27*25=675, Resulting Numbers: [675] 675,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[18, 16], Operations: ['42-15=27', '43-27=16'] Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,29 unequal: No Solution Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[43, 45], Operations: ['42-15=27', '18+27=45'] Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,29 unequal: No Solution Exploring Operation: 43*45=1935, Resulting Numbers: [1935] 1935,29 unequal: No Solution Moving to Node #0,0,3 Current State: 29:[27, 61], Operations: ['42-15=27', '18+43=61'] Exploring Operation: 61-27=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 27+61=88, Resulting Numbers: [88] 88,29 unequal: No Solution Exploring Operation: 27*61=1647, Resulting Numbers: [1647] 1647,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[43, 42, 33], Operations: ['15+18=33'] Exploring Operation: 43-33=10, Resulting Numbers: [42, 10] Generated Node #0,2,0: 29:[42, 10] Operation: 43-33=10 Exploring Operation: 42-33=9, Resulting Numbers: [43, 9] Generated Node #0,2,1: 29:[43, 9] Operation: 42-33=9 Exploring Operation: 43+42=85, Resulting Numbers: [33, 85] Generated Node #0,2,2: 29:[33, 85] Operation: 43+42=85 Exploring Operation: 43-42=1, Resulting Numbers: [33, 1] Generated Node #0,2,3: 29:[33, 1] Operation: 43-42=1 Moving to Node #0,2,0 Current State: 29:[42, 10], Operations: ['15+18=33', '43-33=10'] Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,29 unequal: No Solution Exploring Operation: 42-10=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[33, 1], Operations: ['15+18=33', '43-42=1'] Exploring Operation: 33-1=32, Resulting Numbers: [32] 32,29 unequal: No Solution Exploring Operation: 33*1=33, Resulting Numbers: [33] 33,29 unequal: No Solution Exploring Operation: 33+1=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 33/1=33, Resulting Numbers: [33] 33,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[43, 9], Operations: ['15+18=33', '42-33=9'] Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,29 unequal: No Solution Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 43*9=387, Resulting Numbers: [387] 387,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[33, 85], Operations: ['15+18=33', '43+42=85'] Exploring Operation: 33+85=118, Resulting Numbers: [118] 118,29 unequal: No Solution Exploring Operation: 85-33=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 33*85=2805, Resulting Numbers: [2805] 2805,29 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 #0,3 Current State: 29:[15, 42, 25], Operations: ['43-18=25'] Exploring Operation: 15+42=57, Resulting Numbers: [25, 57] Generated Node #0,3,0: 29:[25, 57] Operation: 15+42=57 Exploring Operation: 15+25=40, Resulting Numbers: [42, 40] Generated Node #0,3,1: 29:[42, 40] Operation: 15+25=40 Exploring Operation: 42-15=27, Resulting Numbers: [25, 27] Generated Node #0,3,2: 29:[25, 27] Operation: 42-15=27 Exploring Operation: 42-25=17, Resulting Numbers: [15, 17] Generated Node #0,3,3: 29:[15, 17] Operation: 42-25=17 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 29:[25, 27], Operations: ['43-18=25', '42-15=27'] Exploring Operation: 27-25=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 25+27=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 25*27=675, Resulting Numbers: [675] 675,29 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:[42, 40], Operations: ['43-18=25', '15+25=40'] Exploring Operation: 42+40=82, Resulting Numbers: [82] 82,29 unequal: No Solution Exploring Operation: 42*40=1680, Resulting Numbers: [1680] 1680,29 unequal: No Solution Exploring Operation: 42-40=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 #0,3,3 Current State: 29:[15, 17], Operations: ['43-18=25', '42-25=17'] Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,29 unequal: No Solution Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,29 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,29 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:[25, 57], Operations: ['43-18=25', '15+42=57'] Exploring Operation: 25*57=1425, Resulting Numbers: [1425] 1425,29 unequal: No Solution Exploring Operation: 25+57=82, Resulting Numbers: [82] 82,29 unequal: No Solution Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,29 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 No solution found.
0
hs_4
sum_heuristic
[ 56, 98, 36, 39 ]
24
[ "98*36=3528", "3528/56=63", "63-39=24" ]
Current State: 24:[56, 98, 36, 39], Operations: [] Exploring Operation: 98*36=3528, Resulting Numbers: [56, 39, 3528] Generated Node #2: [56, 39, 3528] from Operation: 98*36=3528 Current State: 24:[56, 39, 3528], Operations: ['98*36=3528'] Exploring Operation: 3528/56=63, Resulting Numbers: [39, 63] Generated Node #3: [39, 63] from Operation: 3528/56=63 Current State: 24:[39, 63], Operations: ['98*36=3528', '3528/56=63'] Exploring Operation: 63-39=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[56, 98, 36, 39], Operations: [] Exploring Operation: 98-56=42, Resulting Numbers: [36, 39, 42] Generated Node #0,0: 24:[36, 39, 42] Operation: 98-56=42 Exploring Operation: 98-39=59, Resulting Numbers: [56, 36, 59] Generated Node #0,1: 24:[56, 36, 59] Operation: 98-39=59 Moving to Node #0,0 Current State: 24:[36, 39, 42], Operations: ['98-56=42'] Exploring Operation: 42-39=3, Resulting Numbers: [36, 3] Generated Node #0,0,0: 24:[36, 3] Operation: 42-39=3 Exploring Operation: 42-36=6, Resulting Numbers: [39, 6] Generated Node #0,0,1: 24:[39, 6] Operation: 42-36=6 Moving to Node #0,1 Current State: 24:[56, 36, 59], Operations: ['98-39=59'] Exploring Operation: 59-56=3, Resulting Numbers: [36, 3] Generated Node #0,1,0: 24:[36, 3] Operation: 59-56=3 Exploring Operation: 59-36=23, Resulting Numbers: [56, 23] Generated Node #0,1,1: 24:[56, 23] Operation: 59-36=23 Moving to Node #0,0,0 Current State: 24:[36, 3], Operations: ['98-56=42', '42-39=3'] Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,24 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,24 unequal: No Solution Moving to Node #0,1,0 Current State: 24:[36, 3], Operations: ['98-39=59', '59-56=3'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,24 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[39, 6], Operations: ['98-56=42', '42-36=6'] Exploring Operation: 39+6=45, Resulting Numbers: [45] 45,24 unequal: No Solution Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,24 unequal: No Solution Moving to Node #0,1,1 Current State: 24:[56, 23], Operations: ['98-39=59', '59-36=23'] Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,24 unequal: No Solution Exploring Operation: 56+23=79, Resulting Numbers: [79] 79,24 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 14, 94, 92, 14 ]
56
[ "14+14=28", "94-92=2", "28*2=56" ]
Current State: 56:[14, 94, 92, 14], Operations: [] Exploring Operation: 14+14=28, Resulting Numbers: [94, 92, 28] Generated Node #2: [94, 92, 28] from Operation: 14+14=28 Current State: 56:[94, 92, 28], Operations: ['14+14=28'] Exploring Operation: 94-92=2, Resulting Numbers: [28, 2] Generated Node #3: [28, 2] from Operation: 94-92=2 Current State: 56:[28, 2], Operations: ['14+14=28', '94-92=2'] Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[14, 94, 92, 14], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [14, 14, 2] Generated Node #0,0: 56:[14, 14, 2] Operation: 94-92=2 Exploring Operation: 92-14=78, Resulting Numbers: [94, 14, 78] Generated Node #0,1: 56:[94, 14, 78] Operation: 92-14=78 Exploring Operation: 94-14=80, Resulting Numbers: [14, 92, 80] Generated Node #0,2: 56:[14, 92, 80] Operation: 94-14=80 Exploring Operation: 92-14=78, Resulting Numbers: [14, 94, 78] Generated Node #0,3: 56:[14, 94, 78] Operation: 92-14=78 Exploring Operation: 94-14=80, Resulting Numbers: [92, 14, 80] Generated Node #0,4: 56:[92, 14, 80] Operation: 94-14=80 Moving to Node #0,0 Current State: 56:[14, 14, 2], Operations: ['94-92=2'] Exploring Operation: 14/2=7, Resulting Numbers: [14, 7] Generated Node #0,0,0: 56:[14, 7] Operation: 14/2=7 Exploring Operation: 14*2=28, Resulting Numbers: [14, 28] Generated Node #0,0,1: 56:[14, 28] Operation: 14*2=28 Exploring Operation: 14/2=7, Resulting Numbers: [14, 7] Generated Node #0,0,2: 56:[14, 7] Operation: 14/2=7 Exploring Operation: 14*2=28, Resulting Numbers: [14, 28] Generated Node #0,0,3: 56:[14, 28] Operation: 14*2=28 Exploring Operation: 14+14=28, Resulting Numbers: [2, 28] Generated Node #0,0,4: 56:[2, 28] Operation: 14+14=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 56:[14, 7], Operations: ['94-92=2', '14/2=7'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,56 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,56 unequal: No Solution Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 56:[14, 28], Operations: ['94-92=2', '14*2=28'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,56 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 56:[14, 7], Operations: ['94-92=2', '14/2=7'] Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,56 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,56 unequal: No Solution Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 56:[14, 28], Operations: ['94-92=2', '14*2=28'] Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,56 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,56 unequal: No Solution Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 56:[2, 28], Operations: ['94-92=2', '14+14=28'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[14, 94, 92, 14], Operations: [] Exploring Operation: 94-92=2, Resulting Numbers: [14, 14, 2] Generated Node #0,0: 56:[14, 14, 2] Operation: 94-92=2 Moving to Node #0,0 Current State: 56:[14, 14, 2], Operations: ['94-92=2'] Exploring Operation: 14+14=28, Resulting Numbers: [2, 28] Generated Node #0,0,4: 56:[2, 28] Operation: 14+14=28 Moving to Node #0,0,4 Current State: 56:[2, 28], Operations: ['94-92=2', '14+14=28'] Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_5
mult_heuristic
[ 53, 8, 90, 36 ]
99
[ "53-8=45", "90-36=54", "45+54=99" ]
Current State: 99:[53, 8, 90, 36], Operations: [] Exploring Operation: 53-8=45, Resulting Numbers: [90, 36, 45] Generated Node #2: [90, 36, 45] from Operation: 53-8=45 Current State: 99:[90, 36, 45], Operations: ['53-8=45'] Exploring Operation: 90-36=54, Resulting Numbers: [45, 54] Generated Node #3: [45, 54] from Operation: 90-36=54 Current State: 99:[45, 54], Operations: ['53-8=45', '90-36=54'] Exploring Operation: 45+54=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[53, 8, 90, 36], Operations: [] Exploring Operation: 53-36=17, Resulting Numbers: [8, 90, 17] Generated Node #0,0: 99:[8, 90, 17] Operation: 53-36=17 Exploring Operation: 90-53=37, Resulting Numbers: [8, 36, 37] Generated Node #0,1: 99:[8, 36, 37] Operation: 90-53=37 Moving to Node #0,1 Current State: 99:[8, 36, 37], Operations: ['90-53=37'] Exploring Operation: 37-8=29, Resulting Numbers: [36, 29] Generated Node #0,1,0: 99:[36, 29] Operation: 37-8=29 Exploring Operation: 37-36=1, Resulting Numbers: [8, 1] Generated Node #0,1,1: 99:[8, 1] Operation: 37-36=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[8, 1], Operations: ['90-53=37', '37-36=1'] Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,99 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,99 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 #0,1,0 Current State: 99:[36, 29], Operations: ['90-53=37', '37-8=29'] Exploring Operation: 36+29=65, Resulting Numbers: [65] 65,99 unequal: No Solution Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,99 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: 99:[8, 90, 17], Operations: ['53-36=17'] Exploring Operation: 17-8=9, Resulting Numbers: [90, 9] Generated Node #0,0,0: 99:[90, 9] Operation: 17-8=9 Exploring Operation: 8+90=98, Resulting Numbers: [17, 98] Generated Node #0,0,1: 99:[17, 98] Operation: 8+90=98 Moving to Node #0,0,1 Current State: 99:[17, 98], Operations: ['53-36=17', '8+90=98'] Exploring Operation: 17+98=115, Resulting Numbers: [115] 115,99 unequal: No Solution Exploring Operation: 98-17=81, Resulting Numbers: [81] 81,99 unequal: No Solution Moving to Node #0,0,0 Current State: 99:[90, 9], Operations: ['53-36=17', '17-8=9'] Exploring Operation: 90+9=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[53, 8, 90, 36], Operations: [] Exploring Operation: 53-36=17, Resulting Numbers: [8, 90, 17] Generated Node #0,0: 99:[8, 90, 17] Operation: 53-36=17 Moving to Node #0,0 Current State: 99:[8, 90, 17], Operations: ['53-36=17'] Exploring Operation: 17-8=9, Resulting Numbers: [90, 9] Generated Node #0,0,0: 99:[90, 9] Operation: 17-8=9 Moving to Node #0,0,0 Current State: 99:[90, 9], Operations: ['53-36=17', '17-8=9'] Exploring Operation: 90+9=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.985243
hs_2
sum_heuristic
[ 49, 49, 99, 11 ]
87
[ "49/49=1", "99-11=88", "88-1=87" ]
Current State: 87:[49, 49, 99, 11], Operations: [] Exploring Operation: 49/49=1, Resulting Numbers: [99, 11, 1] Generated Node #2: [99, 11, 1] from Operation: 49/49=1 Current State: 87:[99, 11, 1], Operations: ['49/49=1'] Exploring Operation: 99-11=88, Resulting Numbers: [1, 88] Generated Node #3: [1, 88] from Operation: 99-11=88 Current State: 87:[1, 88], Operations: ['49/49=1', '99-11=88'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[49, 49, 99, 11], Operations: [] Exploring Operation: 49-11=38, Resulting Numbers: [49, 99, 38] Generated Node #0,0: 87:[49, 99, 38] Operation: 49-11=38 Exploring Operation: 49-49=0, Resulting Numbers: [99, 11, 0] Generated Node #0,1: 87:[99, 11, 0] Operation: 49-49=0 Exploring Operation: 49-11=38, Resulting Numbers: [49, 99, 38] Generated Node #0,2: 87:[49, 99, 38] Operation: 49-11=38 Exploring Operation: 49/49=1, Resulting Numbers: [99, 11, 1] Generated Node #0,3: 87:[99, 11, 1] Operation: 49/49=1 Exploring Operation: 49+49=98, Resulting Numbers: [99, 11, 98] Generated Node #0,4: 87:[99, 11, 98] Operation: 49+49=98 Moving to Node #0,3 Current State: 87:[99, 11, 1], Operations: ['49/49=1'] Exploring Operation: 99-11=88, Resulting Numbers: [1, 88] Generated Node #0,3,0: 87:[1, 88] Operation: 99-11=88 Exploring Operation: 99-1=98, Resulting Numbers: [11, 98] Generated Node #0,3,1: 87:[11, 98] Operation: 99-1=98 Exploring Operation: 99/11=9, Resulting Numbers: [1, 9] Generated Node #0,3,2: 87:[1, 9] Operation: 99/11=9 Exploring Operation: 99*1=99, Resulting Numbers: [11, 99] Generated Node #0,3,3: 87:[11, 99] Operation: 99*1=99 Exploring Operation: 11-1=10, Resulting Numbers: [99, 10] Generated Node #0,3,4: 87:[99, 10] Operation: 11-1=10 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 87:[1, 88], Operations: ['49/49=1', '99-11=88'] Exploring Operation: 1+88=89, Resulting Numbers: [89] 89,87 unequal: No Solution Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[49, 49, 99, 11], Operations: [] Exploring Operation: 49/49=1, Resulting Numbers: [99, 11, 1] Generated Node #0,3: 87:[99, 11, 1] Operation: 49/49=1 Moving to Node #0,3 Current State: 87:[99, 11, 1], Operations: ['49/49=1'] Exploring Operation: 99-11=88, Resulting Numbers: [1, 88] Generated Node #0,3,0: 87:[1, 88] Operation: 99-11=88 Moving to Node #0,3,0 Current State: 87:[1, 88], Operations: ['49/49=1', '99-11=88'] Exploring Operation: 88-1=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 20, 40, 22, 58 ]
96
[ "20+40=60", "58-22=36", "60+36=96" ]
Current State: 96:[20, 40, 22, 58], Operations: [] Exploring Operation: 20+40=60, Resulting Numbers: [22, 58, 60] Generated Node #2: [22, 58, 60] from Operation: 20+40=60 Current State: 96:[22, 58, 60], Operations: ['20+40=60'] Exploring Operation: 58-22=36, Resulting Numbers: [60, 36] Generated Node #3: [60, 36] from Operation: 58-22=36 Current State: 96:[60, 36], Operations: ['20+40=60', '58-22=36'] Exploring Operation: 60+36=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[20, 40, 22, 58], Operations: [] Exploring Operation: 58-40=18, Resulting Numbers: [20, 22, 18] Generated Node #0,0: 96:[20, 22, 18] Operation: 58-40=18 Exploring Operation: 40/20=2, Resulting Numbers: [22, 58, 2] Generated Node #0,1: 96:[22, 58, 2] Operation: 40/20=2 Exploring Operation: 40+58=98, Resulting Numbers: [20, 22, 98] Generated Node #0,2: 96:[20, 22, 98] Operation: 40+58=98 Exploring Operation: 40-20=20, Resulting Numbers: [22, 58, 20] Generated Node #0,3: 96:[22, 58, 20] Operation: 40-20=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[20, 22, 18], Operations: ['58-40=18'] Exploring Operation: 20-18=2, Resulting Numbers: [22, 2] Generated Node #0,0,0: 96:[22, 2] Operation: 20-18=2 Exploring Operation: 22-18=4, Resulting Numbers: [20, 4] Generated Node #0,0,1: 96:[20, 4] Operation: 22-18=4 Exploring Operation: 22-20=2, Resulting Numbers: [18, 2] Generated Node #0,0,2: 96:[18, 2] Operation: 22-20=2 Exploring Operation: 20+22=42, Resulting Numbers: [18, 42] Generated Node #0,0,3: 96:[18, 42] Operation: 20+22=42 Moving to Node #0,0,0 Current State: 96:[22, 2], Operations: ['58-40=18', '20-18=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[18, 2], Operations: ['58-40=18', '22-20=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,96 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,96 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[20, 4], Operations: ['58-40=18', '22-18=4'] Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,96 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,96 unequal: No Solution Moving to Node #0,0,3 Current State: 96:[18, 42], Operations: ['58-40=18', '20+22=42'] Exploring Operation: 18+42=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 18*42=756, Resulting Numbers: [756] 756,96 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 Current State: 96:[20, 22, 98], Operations: ['40+58=98'] Exploring Operation: 22-20=2, Resulting Numbers: [98, 2] Generated Node #0,2,0: 96:[98, 2] Operation: 22-20=2 Exploring Operation: 98-20=78, Resulting Numbers: [22, 78] Generated Node #0,2,1: 96:[22, 78] Operation: 98-20=78 Exploring Operation: 20+22=42, Resulting Numbers: [98, 42] Generated Node #0,2,2: 96:[98, 42] Operation: 20+22=42 Exploring Operation: 20+98=118, Resulting Numbers: [22, 118] Generated Node #0,2,3: 96:[22, 118] Operation: 20+98=118 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[98, 2], Operations: ['40+58=98', '22-20=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,96 unequal: No Solution Exploring Operation: 98+2=100, Resulting Numbers: [100] 100,96 unequal: No Solution Exploring Operation: 98*2=196, Resulting Numbers: [196] 196,96 unequal: No Solution Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[20, 40, 22, 58], Operations: [] Exploring Operation: 40+58=98, Resulting Numbers: [20, 22, 98] Generated Node #0,2: 96:[20, 22, 98] Operation: 40+58=98 Moving to Node #0,2 Current State: 96:[20, 22, 98], Operations: ['40+58=98'] Exploring Operation: 22-20=2, Resulting Numbers: [98, 2] Generated Node #0,2,0: 96:[98, 2] Operation: 22-20=2 Moving to Node #0,2,0 Current State: 96:[98, 2], Operations: ['40+58=98', '22-20=2'] Exploring Operation: 98-2=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 14, 47, 75, 96 ]
40
[ "14+47=61", "96-75=21", "61-21=40" ]
Current State: 40:[14, 47, 75, 96], Operations: [] Exploring Operation: 14+47=61, Resulting Numbers: [75, 96, 61] Generated Node #2: [75, 96, 61] from Operation: 14+47=61 Current State: 40:[75, 96, 61], Operations: ['14+47=61'] Exploring Operation: 96-75=21, Resulting Numbers: [61, 21] Generated Node #3: [61, 21] from Operation: 96-75=21 Current State: 40:[61, 21], Operations: ['14+47=61', '96-75=21'] Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[14, 47, 75, 96], Operations: [] Exploring Operation: 75-47=28, Resulting Numbers: [14, 96, 28] Generated Node #0,0: 40:[14, 96, 28] Operation: 75-47=28 Exploring Operation: 96-75=21, Resulting Numbers: [14, 47, 21] Generated Node #0,1: 40:[14, 47, 21] Operation: 96-75=21 Exploring Operation: 96-47=49, Resulting Numbers: [14, 75, 49] Generated Node #0,2: 40:[14, 75, 49] Operation: 96-47=49 Moving to Node #0,1 Current State: 40:[14, 47, 21], Operations: ['96-75=21'] Exploring Operation: 21-14=7, Resulting Numbers: [47, 7] Generated Node #0,1,0: 40:[47, 7] Operation: 21-14=7 Exploring Operation: 47-14=33, Resulting Numbers: [21, 33] Generated Node #0,1,1: 40:[21, 33] Operation: 47-14=33 Exploring Operation: 47-21=26, Resulting Numbers: [14, 26] Generated Node #0,1,2: 40:[14, 26] Operation: 47-21=26 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[47, 7], Operations: ['96-75=21', '21-14=7'] Exploring Operation: 47*7=329, Resulting Numbers: [329] 329,40 unequal: No Solution Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,40 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[14, 47, 75, 96], Operations: [] Exploring Operation: 96-75=21, Resulting Numbers: [14, 47, 21] Generated Node #0,1: 40:[14, 47, 21] Operation: 96-75=21 Moving to Node #0,1 Current State: 40:[14, 47, 21], Operations: ['96-75=21'] Exploring Operation: 21-14=7, Resulting Numbers: [47, 7] Generated Node #0,1,0: 40:[47, 7] Operation: 21-14=7 Moving to Node #0,1,0 Current State: 40:[47, 7], Operations: ['96-75=21', '21-14=7'] Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 66, 89, 3, 48 ]
61
[ "66*3=198", "89+48=137", "198-137=61" ]
Current State: 61:[66, 89, 3, 48], Operations: [] Exploring Operation: 66*3=198, Resulting Numbers: [89, 48, 198] Generated Node #2: [89, 48, 198] from Operation: 66*3=198 Current State: 61:[89, 48, 198], Operations: ['66*3=198'] Exploring Operation: 89+48=137, Resulting Numbers: [198, 137] Generated Node #3: [198, 137] from Operation: 89+48=137 Current State: 61:[198, 137], Operations: ['66*3=198', '89+48=137'] Exploring Operation: 198-137=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[66, 89, 3, 48], Operations: [] Exploring Operation: 3+48=51, Resulting Numbers: [66, 89, 51] Generated Node #0,0: 61:[66, 89, 51] Operation: 3+48=51 Exploring Operation: 89+3=92, Resulting Numbers: [66, 48, 92] Generated Node #0,1: 61:[66, 48, 92] Operation: 89+3=92 Exploring Operation: 66-3=63, Resulting Numbers: [89, 48, 63] Generated Node #0,2: 61:[89, 48, 63] Operation: 66-3=63 Exploring Operation: 66+3=69, Resulting Numbers: [89, 48, 69] Generated Node #0,3: 61:[89, 48, 69] Operation: 66+3=69 Exploring Operation: 89-3=86, Resulting Numbers: [66, 48, 86] Generated Node #0,4: 61:[66, 48, 86] Operation: 89-3=86 Moving to Node #0,0 Current State: 61:[66, 89, 51], Operations: ['3+48=51'] Exploring Operation: 66+51=117, Resulting Numbers: [89, 117] Generated Node #0,0,0: 61:[89, 117] Operation: 66+51=117 Exploring Operation: 89-51=38, Resulting Numbers: [66, 38] Generated Node #0,0,1: 61:[66, 38] Operation: 89-51=38 Exploring Operation: 89-66=23, Resulting Numbers: [51, 23] Generated Node #0,0,2: 61:[51, 23] Operation: 89-66=23 Exploring Operation: 66-51=15, Resulting Numbers: [89, 15] Generated Node #0,0,3: 61:[89, 15] Operation: 66-51=15 Exploring Operation: 89+51=140, Resulting Numbers: [66, 140] Generated Node #0,0,4: 61:[66, 140] Operation: 89+51=140 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[66, 38], Operations: ['3+48=51', '89-51=38'] Exploring Operation: 66+38=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 66*38=2508, Resulting Numbers: [2508] 2508,61 unequal: No Solution Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,61 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, 23], Operations: ['3+48=51', '89-66=23'] Exploring Operation: 51+23=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 51*23=1173, Resulting Numbers: [1173] 1173,61 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,61 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:[89, 15], Operations: ['3+48=51', '66-51=15'] Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 89+15=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 89*15=1335, Resulting Numbers: [1335] 1335,61 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:[89, 117], Operations: ['3+48=51', '66+51=117'] Exploring Operation: 89*117=10413, Resulting Numbers: [10413] 10413,61 unequal: No Solution Exploring Operation: 117-89=28, Resulting Numbers: [28] 28,61 unequal: No Solution Exploring Operation: 89+117=206, Resulting Numbers: [206] 206,61 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 #0,0,4 Current State: 61:[66, 140], Operations: ['3+48=51', '89+51=140'] Exploring Operation: 66+140=206, Resulting Numbers: [206] 206,61 unequal: No Solution Exploring Operation: 66*140=9240, Resulting Numbers: [9240] 9240,61 unequal: No Solution Exploring Operation: 140-66=74, Resulting Numbers: [74] 74,61 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: 61:[66, 48, 86], Operations: ['89-3=86'] Exploring Operation: 48+86=134, Resulting Numbers: [66, 134] Generated Node #0,4,0: 61:[66, 134] Operation: 48+86=134 Exploring Operation: 66+48=114, Resulting Numbers: [86, 114] Generated Node #0,4,1: 61:[86, 114] Operation: 66+48=114 Exploring Operation: 86-48=38, Resulting Numbers: [66, 38] Generated Node #0,4,2: 61:[66, 38] Operation: 86-48=38 Exploring Operation: 66-48=18, Resulting Numbers: [86, 18] Generated Node #0,4,3: 61:[86, 18] Operation: 66-48=18 Exploring Operation: 86-66=20, Resulting Numbers: [48, 20] Generated Node #0,4,4: 61:[48, 20] Operation: 86-66=20 Moving to Node #0,2 Current State: 61:[89, 48, 63], Operations: ['66-3=63'] Exploring Operation: 63-48=15, Resulting Numbers: [89, 15] Generated Node #0,2,0: 61:[89, 15] Operation: 63-48=15 Exploring Operation: 89+48=137, Resulting Numbers: [63, 137] Generated Node #0,2,1: 61:[63, 137] Operation: 89+48=137 Exploring Operation: 89-63=26, Resulting Numbers: [48, 26] Generated Node #0,2,2: 61:[48, 26] Operation: 89-63=26 Exploring Operation: 48+63=111, Resulting Numbers: [89, 111] Generated Node #0,2,3: 61:[89, 111] Operation: 48+63=111 Exploring Operation: 89-48=41, Resulting Numbers: [63, 41] Generated Node #0,2,4: 61:[63, 41] Operation: 89-48=41 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 61:[63, 41], Operations: ['66-3=63', '89-48=41'] Exploring Operation: 63-41=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 63+41=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 63*41=2583, Resulting Numbers: [2583] 2583,61 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:[48, 26], Operations: ['66-3=63', '89-63=26'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 48*26=1248, Resulting Numbers: [1248] 1248,61 unequal: No Solution Exploring Operation: 48+26=74, Resulting Numbers: [74] 74,61 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:[89, 15], Operations: ['66-3=63', '63-48=15'] Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 89+15=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 89*15=1335, Resulting Numbers: [1335] 1335,61 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:[63, 137], Operations: ['66-3=63', '89+48=137'] Exploring Operation: 63*137=8631, Resulting Numbers: [8631] 8631,61 unequal: No Solution Exploring Operation: 137-63=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 63+137=200, Resulting Numbers: [200] 200,61 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 #0,2,3 Current State: 61:[89, 111], Operations: ['66-3=63', '48+63=111'] Exploring Operation: 89*111=9879, Resulting Numbers: [9879] 9879,61 unequal: No Solution Exploring Operation: 89+111=200, Resulting Numbers: [200] 200,61 unequal: No Solution Exploring Operation: 111-89=22, Resulting Numbers: [22] 22,61 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:[66, 48, 92], Operations: ['89+3=92'] Exploring Operation: 48+92=140, Resulting Numbers: [66, 140] Generated Node #0,1,0: 61:[66, 140] Operation: 48+92=140 Exploring Operation: 92-66=26, Resulting Numbers: [48, 26] Generated Node #0,1,1: 61:[48, 26] Operation: 92-66=26 Exploring Operation: 92-48=44, Resulting Numbers: [66, 44] Generated Node #0,1,2: 61:[66, 44] Operation: 92-48=44 Exploring Operation: 66-48=18, Resulting Numbers: [92, 18] Generated Node #0,1,3: 61:[92, 18] Operation: 66-48=18 Exploring Operation: 66+48=114, Resulting Numbers: [92, 114] Generated Node #0,1,4: 61:[92, 114] Operation: 66+48=114 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 61:[66, 44], Operations: ['89+3=92', '92-48=44'] Exploring Operation: 66-44=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 66*44=2904, Resulting Numbers: [2904] 2904,61 unequal: No Solution Exploring Operation: 66+44=110, Resulting Numbers: [110] 110,61 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 #0,1,1 Current State: 61:[48, 26], Operations: ['89+3=92', '92-66=26'] Exploring Operation: 48*26=1248, Resulting Numbers: [1248] 1248,61 unequal: No Solution Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 48+26=74, Resulting Numbers: [74] 74,61 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:[92, 18], Operations: ['89+3=92', '66-48=18'] Exploring Operation: 92-18=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 92+18=110, Resulting Numbers: [110] 110,61 unequal: No Solution Exploring Operation: 92*18=1656, Resulting Numbers: [1656] 1656,61 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:[66, 140], Operations: ['89+3=92', '48+92=140'] Exploring Operation: 140-66=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 66*140=9240, Resulting Numbers: [9240] 9240,61 unequal: No Solution Exploring Operation: 66+140=206, Resulting Numbers: [206] 206,61 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 #0,1,4 Current State: 61:[92, 114], Operations: ['89+3=92', '66+48=114'] Exploring Operation: 92*114=10488, Resulting Numbers: [10488] 10488,61 unequal: No Solution Exploring Operation: 92+114=206, Resulting Numbers: [206] 206,61 unequal: No Solution Exploring Operation: 114-92=22, Resulting Numbers: [22] 22,61 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:[89, 48, 69], Operations: ['66+3=69'] Exploring Operation: 48+69=117, Resulting Numbers: [89, 117] Generated Node #0,3,0: 61:[89, 117] Operation: 48+69=117 Exploring Operation: 89+48=137, Resulting Numbers: [69, 137] Generated Node #0,3,1: 61:[69, 137] Operation: 89+48=137 Exploring Operation: 69-48=21, Resulting Numbers: [89, 21] Generated Node #0,3,2: 61:[89, 21] Operation: 69-48=21 Exploring Operation: 89-48=41, Resulting Numbers: [69, 41] Generated Node #0,3,3: 61:[69, 41] Operation: 89-48=41 Exploring Operation: 89-69=20, Resulting Numbers: [48, 20] Generated Node #0,3,4: 61:[48, 20] Operation: 89-69=20 Moving to Node #0,4,2 Current State: 61:[66, 38], Operations: ['89-3=86', '86-48=38'] Exploring Operation: 66+38=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 66*38=2508, Resulting Numbers: [2508] 2508,61 unequal: No Solution Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,61 unequal: No Solution Moving to Node #0,3,3 Current State: 61:[69, 41], Operations: ['66+3=69', '89-48=41'] Exploring Operation: 69-41=28, Resulting Numbers: [28] 28,61 unequal: No Solution Exploring Operation: 69+41=110, Resulting Numbers: [110] 110,61 unequal: No Solution Exploring Operation: 69*41=2829, Resulting Numbers: [2829] 2829,61 unequal: No Solution Moving to Node #0,3,4 Current State: 61:[48, 20], Operations: ['66+3=69', '89-69=20'] Exploring Operation: 48+20=68, Resulting Numbers: [68] 68,61 unequal: No Solution Exploring Operation: 48*20=960, Resulting Numbers: [960] 960,61 unequal: No Solution Exploring Operation: 48-20=28, Resulting Numbers: [28] 28,61 unequal: No Solution Moving to Node #0,4,4 Current State: 61:[48, 20], Operations: ['89-3=86', '86-66=20'] Exploring Operation: 48*20=960, Resulting Numbers: [960] 960,61 unequal: No Solution Exploring Operation: 48+20=68, Resulting Numbers: [68] 68,61 unequal: No Solution Exploring Operation: 48-20=28, Resulting Numbers: [28] 28,61 unequal: No Solution Moving to Node #0,4,3 Current State: 61:[86, 18], Operations: ['89-3=86', '66-48=18'] Exploring Operation: 86-18=68, Resulting Numbers: [68] 68,61 unequal: No Solution Exploring Operation: 86+18=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 86*18=1548, Resulting Numbers: [1548] 1548,61 unequal: No Solution Moving to Node #0,3,2 Current State: 61:[89, 21], Operations: ['66+3=69', '69-48=21'] Exploring Operation: 89+21=110, Resulting Numbers: [110] 110,61 unequal: No Solution Exploring Operation: 89-21=68, Resulting Numbers: [68] 68,61 unequal: No Solution Exploring Operation: 89*21=1869, Resulting Numbers: [1869] 1869,61 unequal: No Solution Moving to Node #0,4,1 Current State: 61:[86, 114], Operations: ['89-3=86', '66+48=114'] Exploring Operation: 86+114=200, Resulting Numbers: [200] 200,61 unequal: No Solution Exploring Operation: 86*114=9804, Resulting Numbers: [9804] 9804,61 unequal: No Solution Exploring Operation: 114-86=28, Resulting Numbers: [28] 28,61 unequal: No Solution Moving to Node #0,4,0 Current State: 61:[66, 134], Operations: ['89-3=86', '48+86=134'] Exploring Operation: 134-66=68, Resulting Numbers: [68] 68,61 unequal: No Solution Exploring Operation: 66*134=8844, Resulting Numbers: [8844] 8844,61 unequal: No Solution Exploring Operation: 66+134=200, Resulting Numbers: [200] 200,61 unequal: No Solution Moving to Node #0,3,1 Current State: 61:[69, 137], Operations: ['66+3=69', '89+48=137'] Exploring Operation: 69+137=206, Resulting Numbers: [206] 206,61 unequal: No Solution Exploring Operation: 69*137=9453, Resulting Numbers: [9453] 9453,61 unequal: No Solution Exploring Operation: 137-69=68, Resulting Numbers: [68] 68,61 unequal: No Solution Moving to Node #0,3,0 Current State: 61:[89, 117], Operations: ['66+3=69', '48+69=117'] Exploring Operation: 117-89=28, Resulting Numbers: [28] 28,61 unequal: No Solution Exploring Operation: 89+117=206, Resulting Numbers: [206] 206,61 unequal: No Solution Exploring Operation: 89*117=10413, Resulting Numbers: [10413] 10413,61 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 54, 68, 43, 43 ]
54
[ "43-43=0", "68*0=0", "54+0=54" ]
Current State: 54:[54, 68, 43, 43], Operations: [] Exploring Operation: 43-43=0, Resulting Numbers: [54, 68, 0] Generated Node #2: [54, 68, 0] from Operation: 43-43=0 Current State: 54:[54, 68, 0], Operations: ['43-43=0'] Exploring Operation: 68*0=0, Resulting Numbers: [54, 0] Generated Node #3: [54, 0] from Operation: 68*0=0 Current State: 54:[54, 0], Operations: ['43-43=0', '68*0=0'] Exploring Operation: 54+0=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[54, 68, 43, 43], Operations: [] Exploring Operation: 68-43=25, Resulting Numbers: [54, 43, 25] Generated Node #0,0: 54:[54, 43, 25] Operation: 68-43=25 Exploring Operation: 43/43=1, Resulting Numbers: [54, 68, 1] Generated Node #0,1: 54:[54, 68, 1] Operation: 43/43=1 Exploring Operation: 68-43=25, Resulting Numbers: [54, 43, 25] Generated Node #0,2: 54:[54, 43, 25] Operation: 68-43=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[54, 43, 25], Operations: ['68-43=25'] Exploring Operation: 54-25=29, Resulting Numbers: [43, 29] Generated Node #0,0,0: 54:[43, 29] Operation: 54-25=29 Exploring Operation: 43-25=18, Resulting Numbers: [54, 18] Generated Node #0,0,1: 54:[54, 18] Operation: 43-25=18 Exploring Operation: 54-43=11, Resulting Numbers: [25, 11] Generated Node #0,0,2: 54:[25, 11] Operation: 54-43=11 Moving to Node #0,0,1 Current State: 54:[54, 18], Operations: ['68-43=25', '43-25=18'] Exploring Operation: 54+18=72, Resulting Numbers: [72] 72,54 unequal: No Solution Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,54 unequal: No Solution Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[25, 11], Operations: ['68-43=25', '54-43=11'] Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,54 unequal: No Solution Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[43, 29], Operations: ['68-43=25', '54-25=29'] Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,54 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 43*29=1247, Resulting Numbers: [1247] 1247,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[54, 43, 25], Operations: ['68-43=25'] Exploring Operation: 43-25=18, Resulting Numbers: [54, 18] Generated Node #0,2,0: 54:[54, 18] Operation: 43-25=18 Exploring Operation: 54-25=29, Resulting Numbers: [43, 29] Generated Node #0,2,1: 54:[43, 29] Operation: 54-25=29 Exploring Operation: 54-43=11, Resulting Numbers: [25, 11] Generated Node #0,2,2: 54:[25, 11] Operation: 54-43=11 Moving to Node #0,2,0 Current State: 54:[54, 18], Operations: ['68-43=25', '43-25=18'] Exploring Operation: 54+18=72, Resulting Numbers: [72] 72,54 unequal: No Solution Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,54 unequal: No Solution Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[25, 11], Operations: ['68-43=25', '54-43=11'] Exploring Operation: 25*11=275, Resulting Numbers: [275] 275,54 unequal: No Solution Exploring Operation: 25+11=36, Resulting Numbers: [36] 36,54 unequal: No Solution Exploring Operation: 25-11=14, Resulting Numbers: [14] 14,54 unequal: No Solution Moving to Node #0,2,1 Current State: 54:[43, 29], Operations: ['68-43=25', '54-25=29'] Exploring Operation: 43+29=72, Resulting Numbers: [72] 72,54 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 43*29=1247, Resulting Numbers: [1247] 1247,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[54, 68, 1], Operations: ['43/43=1'] Exploring Operation: 54*1=54, Resulting Numbers: [68, 54] Generated Node #0,1,0: 54:[68, 54] Operation: 54*1=54 Exploring Operation: 68-1=67, Resulting Numbers: [54, 67] Generated Node #0,1,1: 54:[54, 67] Operation: 68-1=67 Exploring Operation: 68-54=14, Resulting Numbers: [1, 14] Generated Node #0,1,2: 54:[1, 14] Operation: 68-54=14 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[1, 14], Operations: ['43/43=1', '68-54=14'] Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 1+14=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 1*14=14, Resulting Numbers: [14] 14,54 unequal: No Solution No 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: 54:[54, 67], Operations: ['43/43=1', '68-1=67'] Exploring Operation: 67-54=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 54+67=121, Resulting Numbers: [121] 121,54 unequal: No Solution Exploring Operation: 54*67=3618, Resulting Numbers: [3618] 3618,54 unequal: No Solution No 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: 54:[68, 54], Operations: ['43/43=1', '54*1=54'] Exploring Operation: 68*54=3672, Resulting Numbers: [3672] 3672,54 unequal: No Solution Exploring Operation: 68+54=122, Resulting Numbers: [122] 122,54 unequal: No Solution Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,54 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
[ 84, 28, 48, 5 ]
50
[ "84/28=3", "48+5=53", "53-3=50" ]
Current State: 50:[84, 28, 48, 5], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [48, 5, 3] Generated Node #2: [48, 5, 3] from Operation: 84/28=3 Current State: 50:[48, 5, 3], Operations: ['84/28=3'] Exploring Operation: 48+5=53, Resulting Numbers: [3, 53] Generated Node #3: [3, 53] from Operation: 48+5=53 Current State: 50:[3, 53], Operations: ['84/28=3', '48+5=53'] Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[84, 28, 48, 5], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [48, 5, 3] Generated Node #0,0: 50:[48, 5, 3] Operation: 84/28=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[48, 5, 3], Operations: ['84/28=3'] Exploring Operation: 48+3=51, Resulting Numbers: [5, 51] Generated Node #0,0,0: 50:[5, 51] Operation: 48+3=51 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 50:[5, 51], Operations: ['84/28=3', '48+3=51'] Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,50 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
[ 73, 88, 77, 15 ]
69
[ "73+88=161", "77+15=92", "161-92=69" ]
Current State: 69:[73, 88, 77, 15], Operations: [] Exploring Operation: 73+88=161, Resulting Numbers: [77, 15, 161] Generated Node #2: [77, 15, 161] from Operation: 73+88=161 Current State: 69:[77, 15, 161], Operations: ['73+88=161'] Exploring Operation: 77+15=92, Resulting Numbers: [161, 92] Generated Node #3: [161, 92] from Operation: 77+15=92 Current State: 69:[161, 92], Operations: ['73+88=161', '77+15=92'] Exploring Operation: 161-92=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[73, 88, 77, 15], Operations: [] Exploring Operation: 77-73=4, Resulting Numbers: [88, 15, 4] Generated Node #0,0: 69:[88, 15, 4] Operation: 77-73=4 Exploring Operation: 88-77=11, Resulting Numbers: [73, 15, 11] Generated Node #0,1: 69:[73, 15, 11] Operation: 88-77=11 Exploring Operation: 88-73=15, Resulting Numbers: [77, 15, 15] Generated Node #0,2: 69:[77, 15, 15] Operation: 88-73=15 Exploring Operation: 88-15=73, Resulting Numbers: [73, 77, 73] Generated Node #0,3: 69:[73, 77, 73] Operation: 88-15=73 Start Sub Search at level 1: Moving to Node #0,3 Current State: 69:[73, 77, 73], Operations: ['88-15=73'] Exploring Operation: 77-73=4, Resulting Numbers: [73, 4] Generated Node #0,3,0: 69:[73, 4] Operation: 77-73=4 Exploring Operation: 77-73=4, Resulting Numbers: [73, 4] Generated Node #0,3,1: 69:[73, 4] Operation: 77-73=4 Exploring Operation: 73-73=0, Resulting Numbers: [77, 0] Generated Node #0,3,2: 69:[77, 0] Operation: 73-73=0 Exploring Operation: 73/73=1, Resulting Numbers: [77, 1] Generated Node #0,3,3: 69:[77, 1] Operation: 73/73=1 Moving to Node #0,3,0 Current State: 69:[73, 4], Operations: ['88-15=73', '77-73=4'] Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,69 unequal: No Solution Exploring Operation: 73*4=292, Resulting Numbers: [292] 292,69 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[73, 88, 77, 15], Operations: [] Exploring Operation: 88-15=73, Resulting Numbers: [73, 77, 73] Generated Node #0,3: 69:[73, 77, 73] Operation: 88-15=73 Moving to Node #0,3 Current State: 69:[73, 77, 73], Operations: ['88-15=73'] Exploring Operation: 77-73=4, Resulting Numbers: [73, 4] Generated Node #0,3,0: 69:[73, 4] Operation: 77-73=4 Moving to Node #0,3,0 Current State: 69:[73, 4], Operations: ['88-15=73', '77-73=4'] Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 32, 72, 64, 22 ]
100
[ "64/32=2", "72-22=50", "2*50=100" ]
Current State: 100:[32, 72, 64, 22], Operations: [] Exploring Operation: 64/32=2, Resulting Numbers: [72, 22, 2] Generated Node #2: [72, 22, 2] from Operation: 64/32=2 Current State: 100:[72, 22, 2], Operations: ['64/32=2'] Exploring Operation: 72-22=50, Resulting Numbers: [2, 50] Generated Node #3: [2, 50] from Operation: 72-22=50 Current State: 100:[2, 50], Operations: ['64/32=2', '72-22=50'] Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[32, 72, 64, 22], Operations: [] Exploring Operation: 72-64=8, Resulting Numbers: [32, 22, 8] Generated Node #0,0: 100:[32, 22, 8] Operation: 72-64=8 Exploring Operation: 32+72=104, Resulting Numbers: [64, 22, 104] Generated Node #0,1: 100:[64, 22, 104] Operation: 32+72=104 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[32, 22, 8], Operations: ['72-64=8'] Exploring Operation: 32/8=4, Resulting Numbers: [22, 4] Generated Node #0,0,0: 100:[22, 4] Operation: 32/8=4 Exploring Operation: 32-22=10, Resulting Numbers: [8, 10] Generated Node #0,0,1: 100:[8, 10] Operation: 32-22=10 Moving to Node #0,0,0 Current State: 100:[22, 4], Operations: ['72-64=8', '32/8=4'] Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,100 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[8, 10], Operations: ['72-64=8', '32-22=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,100 unequal: No Solution Exploring Operation: 8+10=18, Resulting Numbers: [18] 18,100 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 Current State: 100:[64, 22, 104], Operations: ['32+72=104'] Exploring Operation: 64-22=42, Resulting Numbers: [104, 42] Generated Node #0,1,0: 100:[104, 42] Operation: 64-22=42 Exploring Operation: 104-64=40, Resulting Numbers: [22, 40] Generated Node #0,1,1: 100:[22, 40] Operation: 104-64=40 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 100:[104, 42], Operations: ['32+72=104', '64-22=42'] Exploring Operation: 104-42=62, Resulting Numbers: [62] 62,100 unequal: No Solution Exploring Operation: 104+42=146, Resulting Numbers: [146] 146,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 100:[22, 40], Operations: ['32+72=104', '104-64=40'] Exploring Operation: 40-22=18, Resulting Numbers: [18] 18,100 unequal: No Solution Exploring Operation: 22+40=62, Resulting Numbers: [62] 62,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 37, 79, 98, 43 ]
25
[ "37+79=116", "98+43=141", "141-116=25" ]
Current State: 25:[37, 79, 98, 43], Operations: [] Exploring Operation: 37+79=116, Resulting Numbers: [98, 43, 116] Generated Node #2: [98, 43, 116] from Operation: 37+79=116 Current State: 25:[98, 43, 116], Operations: ['37+79=116'] Exploring Operation: 98+43=141, Resulting Numbers: [116, 141] Generated Node #3: [116, 141] from Operation: 98+43=141 Current State: 25:[116, 141], Operations: ['37+79=116', '98+43=141'] Exploring Operation: 141-116=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[37, 79, 98, 43], Operations: [] Exploring Operation: 79-43=36, Resulting Numbers: [37, 98, 36] Generated Node #0,0: 25:[37, 98, 36] Operation: 79-43=36 Exploring Operation: 98-79=19, Resulting Numbers: [37, 43, 19] Generated Node #0,1: 25:[37, 43, 19] Operation: 98-79=19 Moving to Node #0,1 Current State: 25:[37, 43, 19], Operations: ['98-79=19'] Exploring Operation: 43-37=6, Resulting Numbers: [19, 6] Generated Node #0,1,0: 25:[19, 6] Operation: 43-37=6 Exploring Operation: 43-19=24, Resulting Numbers: [37, 24] Generated Node #0,1,1: 25:[37, 24] Operation: 43-19=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 25:[19, 6], Operations: ['98-79=19', '43-37=6'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,25 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[37, 79, 98, 43], Operations: [] Exploring Operation: 98-79=19, Resulting Numbers: [37, 43, 19] Generated Node #0,1: 25:[37, 43, 19] Operation: 98-79=19 Moving to Node #0,1 Current State: 25:[37, 43, 19], Operations: ['98-79=19'] Exploring Operation: 43-37=6, Resulting Numbers: [19, 6] Generated Node #0,1,0: 25:[19, 6] Operation: 43-37=6 Moving to Node #0,1,0 Current State: 25:[19, 6], Operations: ['98-79=19', '43-37=6'] Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 6, 2, 36, 76 ]
50
[ "36+76=112", "112/2=56", "56-6=50" ]
Current State: 50:[6, 2, 36, 76], Operations: [] Exploring Operation: 36+76=112, Resulting Numbers: [6, 2, 112] Generated Node #2: [6, 2, 112] from Operation: 36+76=112 Current State: 50:[6, 2, 112], Operations: ['36+76=112'] Exploring Operation: 112/2=56, Resulting Numbers: [6, 56] Generated Node #3: [6, 56] from Operation: 112/2=56 Current State: 50:[6, 56], Operations: ['36+76=112', '112/2=56'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[6, 2, 36, 76], Operations: [] Exploring Operation: 76/2=38, Resulting Numbers: [6, 36, 38] Generated Node #0,0: 50:[6, 36, 38] Operation: 76/2=38 Exploring Operation: 76-36=40, Resulting Numbers: [6, 2, 40] Generated Node #0,1: 50:[6, 2, 40] Operation: 76-36=40 Moving to Node #0,1 Current State: 50:[6, 2, 40], Operations: ['76-36=40'] Exploring Operation: 6+40=46, Resulting Numbers: [2, 46] Generated Node #0,1,0: 50:[2, 46] Operation: 6+40=46 Exploring Operation: 40/2=20, Resulting Numbers: [6, 20] Generated Node #0,1,1: 50:[6, 20] Operation: 40/2=20 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[2, 46], Operations: ['76-36=40', '6+40=46'] Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,50 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[6, 20], Operations: ['76-36=40', '40/2=20'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,50 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,50 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: 50:[6, 36, 38], Operations: ['76/2=38'] Exploring Operation: 36/6=6, Resulting Numbers: [38, 6] Generated Node #0,0,0: 50:[38, 6] Operation: 36/6=6 Exploring Operation: 38-36=2, Resulting Numbers: [6, 2] Generated Node #0,0,1: 50:[6, 2] Operation: 38-36=2 Moving to Node #0,0,1 Current State: 50:[6, 2], Operations: ['76/2=38', '38-36=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,50 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[38, 6], Operations: ['76/2=38', '36/6=6'] Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,50 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,50 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 51, 20, 35, 93 ]
13
[ "51+20=71", "93-35=58", "71-58=13" ]
Current State: 13:[51, 20, 35, 93], Operations: [] Exploring Operation: 51+20=71, Resulting Numbers: [35, 93, 71] Generated Node #2: [35, 93, 71] from Operation: 51+20=71 Current State: 13:[35, 93, 71], Operations: ['51+20=71'] Exploring Operation: 93-35=58, Resulting Numbers: [71, 58] Generated Node #3: [71, 58] from Operation: 93-35=58 Current State: 13:[71, 58], Operations: ['51+20=71', '93-35=58'] Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[51, 20, 35, 93], Operations: [] Exploring Operation: 93-51=42, Resulting Numbers: [20, 35, 42] Generated Node #0,0: 13:[20, 35, 42] Operation: 93-51=42 Moving to Node #0,0 Current State: 13:[20, 35, 42], Operations: ['93-51=42'] Exploring Operation: 42-35=7, Resulting Numbers: [20, 7] Generated Node #0,0,0: 13:[20, 7] Operation: 42-35=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[20, 7], Operations: ['93-51=42', '42-35=7'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[51, 20, 35, 93], Operations: [] Exploring Operation: 93-51=42, Resulting Numbers: [20, 35, 42] Generated Node #0,0: 13:[20, 35, 42] Operation: 93-51=42 Moving to Node #0,0 Current State: 13:[20, 35, 42], Operations: ['93-51=42'] Exploring Operation: 42-35=7, Resulting Numbers: [20, 7] Generated Node #0,0,0: 13:[20, 7] Operation: 42-35=7 Moving to Node #0,0,0 Current State: 13:[20, 7], Operations: ['93-51=42', '42-35=7'] Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 54, 14, 91, 56 ]
33
[ "54+14=68", "91-56=35", "68-35=33" ]
Current State: 33:[54, 14, 91, 56], Operations: [] Exploring Operation: 54+14=68, Resulting Numbers: [91, 56, 68] Generated Node #2: [91, 56, 68] from Operation: 54+14=68 Current State: 33:[91, 56, 68], Operations: ['54+14=68'] Exploring Operation: 91-56=35, Resulting Numbers: [68, 35] Generated Node #3: [68, 35] from Operation: 91-56=35 Current State: 33:[68, 35], Operations: ['54+14=68', '91-56=35'] Exploring Operation: 68-35=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[54, 14, 91, 56], Operations: [] Exploring Operation: 91-56=35, Resulting Numbers: [54, 14, 35] Generated Node #0,0: 33:[54, 14, 35] Operation: 91-56=35 Exploring Operation: 91-54=37, Resulting Numbers: [14, 56, 37] Generated Node #0,1: 33:[14, 56, 37] Operation: 91-54=37 Exploring Operation: 56-54=2, Resulting Numbers: [14, 91, 2] Generated Node #0,2: 33:[14, 91, 2] Operation: 56-54=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[54, 14, 35], Operations: ['91-56=35'] Exploring Operation: 35-14=21, Resulting Numbers: [54, 21] Generated Node #0,0,0: 33:[54, 21] Operation: 35-14=21 Exploring Operation: 54-14=40, Resulting Numbers: [35, 40] Generated Node #0,0,1: 33:[35, 40] Operation: 54-14=40 Exploring Operation: 54-35=19, Resulting Numbers: [14, 19] Generated Node #0,0,2: 33:[14, 19] Operation: 54-35=19 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[35, 40], Operations: ['91-56=35', '54-14=40'] Exploring Operation: 35*40=1400, Resulting Numbers: [1400] 1400,33 unequal: No Solution Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,33 unequal: No Solution Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 33:[14, 19], Operations: ['91-56=35', '54-35=19'] Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,33 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[54, 14, 91, 56], Operations: [] Exploring Operation: 91-56=35, Resulting Numbers: [54, 14, 35] Generated Node #0,0: 33:[54, 14, 35] Operation: 91-56=35 Moving to Node #0,0 Current State: 33:[54, 14, 35], Operations: ['91-56=35'] Exploring Operation: 54-35=19, Resulting Numbers: [14, 19] Generated Node #0,0,2: 33:[14, 19] Operation: 54-35=19 Moving to Node #0,0,2 Current State: 33:[14, 19], Operations: ['91-56=35', '54-35=19'] Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 6, 74, 38, 4 ]
43
[ "74*4=296", "296-38=258", "258/6=43" ]
Current State: 43:[6, 74, 38, 4], Operations: [] Exploring Operation: 74*4=296, Resulting Numbers: [6, 38, 296] Generated Node #2: [6, 38, 296] from Operation: 74*4=296 Current State: 43:[6, 38, 296], Operations: ['74*4=296'] Exploring Operation: 296-38=258, Resulting Numbers: [6, 258] Generated Node #3: [6, 258] from Operation: 296-38=258 Current State: 43:[6, 258], Operations: ['74*4=296', '296-38=258'] Exploring Operation: 258/6=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[6, 74, 38, 4], Operations: [] Exploring Operation: 6*4=24, Resulting Numbers: [74, 38, 24] Generated Node #0,0: 43:[74, 38, 24] Operation: 6*4=24 Exploring Operation: 74-4=70, Resulting Numbers: [6, 38, 70] Generated Node #0,1: 43:[6, 38, 70] Operation: 74-4=70 Exploring Operation: 74-6=68, Resulting Numbers: [38, 4, 68] Generated Node #0,2: 43:[38, 4, 68] Operation: 74-6=68 Exploring Operation: 6+4=10, Resulting Numbers: [74, 38, 10] Generated Node #0,3: 43:[74, 38, 10] Operation: 6+4=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[74, 38, 24], Operations: ['6*4=24'] Exploring Operation: 74-24=50, Resulting Numbers: [38, 50] Generated Node #0,0,0: 43:[38, 50] Operation: 74-24=50 Exploring Operation: 74-38=36, Resulting Numbers: [24, 36] Generated Node #0,0,1: 43:[24, 36] Operation: 74-38=36 Exploring Operation: 74+24=98, Resulting Numbers: [38, 98] Generated Node #0,0,2: 43:[38, 98] Operation: 74+24=98 Exploring Operation: 38+24=62, Resulting Numbers: [74, 62] Generated Node #0,0,3: 43:[74, 62] Operation: 38+24=62 Moving to Node #0,0,0 Current State: 43:[38, 50], Operations: ['6*4=24', '74-24=50'] Exploring Operation: 38*50=1900, Resulting Numbers: [1900] 1900,43 unequal: No Solution Exploring Operation: 38+50=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[24, 36], Operations: ['6*4=24', '74-38=36'] Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,43 unequal: No Solution Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,43 unequal: No Solution Moving to Node #0,0,3 Current State: 43:[74, 62], Operations: ['6*4=24', '38+24=62'] Exploring Operation: 74+62=136, Resulting Numbers: [136] 136,43 unequal: No Solution Exploring Operation: 74*62=4588, Resulting Numbers: [4588] 4588,43 unequal: No Solution Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[38, 98], Operations: ['6*4=24', '74+24=98'] Exploring Operation: 38*98=3724, Resulting Numbers: [3724] 3724,43 unequal: No Solution Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,43 unequal: No Solution Exploring Operation: 38+98=136, Resulting Numbers: [136] 136,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[6, 38, 70], Operations: ['74-4=70'] Exploring Operation: 70-6=64, Resulting Numbers: [38, 64] Generated Node #0,1,0: 43:[38, 64] Operation: 70-6=64 Exploring Operation: 6+38=44, Resulting Numbers: [70, 44] Generated Node #0,1,1: 43:[70, 44] Operation: 6+38=44 Exploring Operation: 6+70=76, Resulting Numbers: [38, 76] Generated Node #0,1,2: 43:[38, 76] Operation: 6+70=76 Exploring Operation: 38-6=32, Resulting Numbers: [70, 32] Generated Node #0,1,3: 43:[70, 32] Operation: 38-6=32 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[38, 64], Operations: ['74-4=70', '70-6=64'] Exploring Operation: 38+64=102, Resulting Numbers: [102] 102,43 unequal: No Solution Exploring Operation: 64-38=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 38*64=2432, Resulting Numbers: [2432] 2432,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[70, 44], Operations: ['74-4=70', '6+38=44'] Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 70*44=3080, Resulting Numbers: [3080] 3080,43 unequal: No Solution Exploring Operation: 70+44=114, Resulting Numbers: [114] 114,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 43:[38, 76], Operations: ['74-4=70', '6+70=76'] Exploring Operation: 38*76=2888, Resulting Numbers: [2888] 2888,43 unequal: No Solution Exploring Operation: 38+76=114, Resulting Numbers: [114] 114,43 unequal: No Solution Exploring Operation: 76-38=38, Resulting Numbers: [38] 38,43 unequal: No Solution Exploring Operation: 76/38=2, Resulting Numbers: [2] 2,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 43:[70, 32], Operations: ['74-4=70', '38-6=32'] Exploring Operation: 70*32=2240, Resulting Numbers: [2240] 2240,43 unequal: No Solution Exploring Operation: 70+32=102, Resulting Numbers: [102] 102,43 unequal: No Solution Exploring Operation: 70-32=38, Resulting Numbers: [38] 38,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 43:[38, 4, 68], Operations: ['74-6=68'] Exploring Operation: 68/4=17, Resulting Numbers: [38, 17] Generated Node #0,2,0: 43:[38, 17] Operation: 68/4=17 Exploring Operation: 68-4=64, Resulting Numbers: [38, 64] Generated Node #0,2,1: 43:[38, 64] Operation: 68-4=64 Exploring Operation: 38-4=34, Resulting Numbers: [68, 34] Generated Node #0,2,2: 43:[68, 34] Operation: 38-4=34 Exploring Operation: 38+4=42, Resulting Numbers: [68, 42] Generated Node #0,2,3: 43:[68, 42] Operation: 38+4=42 Moving to Node #0,2,1 Current State: 43:[38, 64], Operations: ['74-6=68', '68-4=64'] Exploring Operation: 64-38=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 38+64=102, Resulting Numbers: [102] 102,43 unequal: No Solution Exploring Operation: 38*64=2432, Resulting Numbers: [2432] 2432,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[68, 42], Operations: ['74-6=68', '38+4=42'] Exploring Operation: 68*42=2856, Resulting Numbers: [2856] 2856,43 unequal: No Solution Exploring Operation: 68+42=110, Resulting Numbers: [110] 110,43 unequal: No Solution Exploring Operation: 68-42=26, Resulting Numbers: [26] 26,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[38, 17], Operations: ['74-6=68', '68/4=17'] Exploring Operation: 38+17=55, Resulting Numbers: [55] 55,43 unequal: No Solution Exploring Operation: 38*17=646, Resulting Numbers: [646] 646,43 unequal: No Solution Exploring Operation: 38-17=21, Resulting Numbers: [21] 21,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[68, 34], Operations: ['74-6=68', '38-4=34'] Exploring Operation: 68*34=2312, Resulting Numbers: [2312] 2312,43 unequal: No Solution Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 68+34=102, Resulting Numbers: [102] 102,43 unequal: No Solution Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,43 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 43:[74, 38, 10], Operations: ['6+4=10'] Exploring Operation: 74+10=84, Resulting Numbers: [38, 84] Generated Node #0,3,0: 43:[38, 84] Operation: 74+10=84 Exploring Operation: 74-38=36, Resulting Numbers: [10, 36] Generated Node #0,3,1: 43:[10, 36] Operation: 74-38=36 Exploring Operation: 74-10=64, Resulting Numbers: [38, 64] Generated Node #0,3,2: 43:[38, 64] Operation: 74-10=64 Exploring Operation: 38+10=48, Resulting Numbers: [74, 48] Generated Node #0,3,3: 43:[74, 48] Operation: 38+10=48 Moving to Node #0,3,2 Current State: 43:[38, 64], Operations: ['6+4=10', '74-10=64'] Exploring Operation: 38+64=102, Resulting Numbers: [102] 102,43 unequal: No Solution Exploring Operation: 38*64=2432, Resulting Numbers: [2432] 2432,43 unequal: No Solution Exploring Operation: 64-38=26, Resulting Numbers: [26] 26,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[74, 48], Operations: ['6+4=10', '38+10=48'] Exploring Operation: 74*48=3552, Resulting Numbers: [3552] 3552,43 unequal: No Solution Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 74+48=122, Resulting Numbers: [122] 122,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[10, 36], Operations: ['6+4=10', '74-38=36'] Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,43 unequal: No Solution Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[38, 84], Operations: ['6+4=10', '74+10=84'] Exploring Operation: 38*84=3192, Resulting Numbers: [3192] 3192,43 unequal: No Solution Exploring Operation: 38+84=122, Resulting Numbers: [122] 122,43 unequal: No Solution Exploring Operation: 84-38=46, Resulting Numbers: [46] 46,43 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
[ 73, 89, 9, 2 ]
36
[ "73+89=162", "162/9=18", "2*18=36" ]
Current State: 36:[73, 89, 9, 2], Operations: [] Exploring Operation: 73+89=162, Resulting Numbers: [9, 2, 162] Generated Node #2: [9, 2, 162] from Operation: 73+89=162 Current State: 36:[9, 2, 162], Operations: ['73+89=162'] Exploring Operation: 162/9=18, Resulting Numbers: [2, 18] Generated Node #3: [2, 18] from Operation: 162/9=18 Current State: 36:[2, 18], Operations: ['73+89=162', '162/9=18'] Exploring Operation: 2*18=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[73, 89, 9, 2], Operations: [] Exploring Operation: 89-9=80, Resulting Numbers: [73, 2, 80] Generated Node #0,0: 36:[73, 2, 80] Operation: 89-9=80 Exploring Operation: 89-73=16, Resulting Numbers: [9, 2, 16] Generated Node #0,1: 36:[9, 2, 16] Operation: 89-73=16 Exploring Operation: 73-9=64, Resulting Numbers: [89, 2, 64] Generated Node #0,2: 36:[89, 2, 64] Operation: 73-9=64 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[9, 2, 16], Operations: ['89-73=16'] Exploring Operation: 2+16=18, Resulting Numbers: [9, 18] Generated Node #0,1,0: 36:[9, 18] Operation: 2+16=18 Exploring Operation: 16-9=7, Resulting Numbers: [2, 7] Generated Node #0,1,1: 36:[2, 7] Operation: 16-9=7 Exploring Operation: 16/2=8, Resulting Numbers: [9, 8] Generated Node #0,1,2: 36:[9, 8] Operation: 16/2=8 Moving to Node #0,1,0 Current State: 36:[9, 18], Operations: ['89-73=16', '2+16=18'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,36 unequal: No Solution Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[2, 7], Operations: ['89-73=16', '16-9=7'] Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,36 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[9, 8], Operations: ['89-73=16', '16/2=8'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,36 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,36 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[73, 2, 80], Operations: ['89-9=80'] Exploring Operation: 80-73=7, Resulting Numbers: [2, 7] Generated Node #0,0,0: 36:[2, 7] Operation: 80-73=7 Exploring Operation: 73-2=71, Resulting Numbers: [80, 71] Generated Node #0,0,1: 36:[80, 71] Operation: 73-2=71 Exploring Operation: 80/2=40, Resulting Numbers: [73, 40] Generated Node #0,0,2: 36:[73, 40] Operation: 80/2=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 36:[2, 7], Operations: ['89-9=80', '80-73=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,36 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 36:[73, 40], Operations: ['89-9=80', '80/2=40'] Exploring Operation: 73-40=33, Resulting Numbers: [33] 33,36 unequal: No Solution Exploring Operation: 73+40=113, Resulting Numbers: [113] 113,36 unequal: No Solution Exploring Operation: 73*40=2920, Resulting Numbers: [2920] 2920,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 36:[80, 71], Operations: ['89-9=80', '73-2=71'] Exploring Operation: 80*71=5680, Resulting Numbers: [5680] 5680,36 unequal: No Solution Exploring Operation: 80+71=151, Resulting Numbers: [151] 151,36 unequal: No Solution Exploring Operation: 80-71=9, Resulting Numbers: [9] 9,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[89, 2, 64], Operations: ['73-9=64'] Exploring Operation: 89-2=87, Resulting Numbers: [64, 87] Generated Node #0,2,0: 36:[64, 87] Operation: 89-2=87 Exploring Operation: 89-64=25, Resulting Numbers: [2, 25] Generated Node #0,2,1: 36:[2, 25] Operation: 89-64=25 Exploring Operation: 64/2=32, Resulting Numbers: [89, 32] Generated Node #0,2,2: 36:[89, 32] Operation: 64/2=32 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 36:[2, 25], Operations: ['73-9=64', '89-64=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,36 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,36 unequal: No Solution Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 36:[89, 32], Operations: ['73-9=64', '64/2=32'] Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,36 unequal: No Solution Exploring Operation: 89+32=121, Resulting Numbers: [121] 121,36 unequal: No Solution Exploring Operation: 89*32=2848, Resulting Numbers: [2848] 2848,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 36:[64, 87], Operations: ['73-9=64', '89-2=87'] Exploring Operation: 64+87=151, Resulting Numbers: [151] 151,36 unequal: No Solution Exploring Operation: 64*87=5568, Resulting Numbers: [5568] 5568,36 unequal: No Solution Exploring Operation: 87-64=23, Resulting Numbers: [23] 23,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 90, 2, 47, 4 ]
92
[ "90*2=180", "180/4=45", "47+45=92" ]
Current State: 92:[90, 2, 47, 4], Operations: [] Exploring Operation: 90*2=180, Resulting Numbers: [47, 4, 180] Generated Node #2: [47, 4, 180] from Operation: 90*2=180 Current State: 92:[47, 4, 180], Operations: ['90*2=180'] Exploring Operation: 180/4=45, Resulting Numbers: [47, 45] Generated Node #3: [47, 45] from Operation: 180/4=45 Current State: 92:[47, 45], Operations: ['90*2=180', '180/4=45'] Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[90, 2, 47, 4], Operations: [] Exploring Operation: 90/2=45, Resulting Numbers: [47, 4, 45] Generated Node #0,0: 92:[47, 4, 45] Operation: 90/2=45 Exploring Operation: 90+2=92, Resulting Numbers: [47, 4, 92] Generated Node #0,1: 92:[47, 4, 92] Operation: 90+2=92 Exploring Operation: 90-47=43, Resulting Numbers: [2, 4, 43] Generated Node #0,2: 92:[2, 4, 43] Operation: 90-47=43 Exploring Operation: 90+4=94, Resulting Numbers: [2, 47, 94] Generated Node #0,3: 92:[2, 47, 94] Operation: 90+4=94 Exploring Operation: 47-2=45, Resulting Numbers: [90, 4, 45] Generated Node #0,4: 92:[90, 4, 45] Operation: 47-2=45 Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[47, 4, 92], Operations: ['90+2=92'] Exploring Operation: 92-47=45, Resulting Numbers: [4, 45] Generated Node #0,1,0: 92:[4, 45] Operation: 92-47=45 Exploring Operation: 47-4=43, Resulting Numbers: [92, 43] Generated Node #0,1,1: 92:[92, 43] Operation: 47-4=43 Exploring Operation: 92/4=23, Resulting Numbers: [47, 23] Generated Node #0,1,2: 92:[47, 23] Operation: 92/4=23 Exploring Operation: 47+4=51, Resulting Numbers: [92, 51] Generated Node #0,1,3: 92:[92, 51] Operation: 47+4=51 Exploring Operation: 4+92=96, Resulting Numbers: [47, 96] Generated Node #0,1,4: 92:[47, 96] Operation: 4+92=96 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 92:[4, 45], Operations: ['90+2=92', '92-47=45'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,92 unequal: No Solution Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,92 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 #0,1,2 Current State: 92:[47, 23], Operations: ['90+2=92', '92/4=23'] Exploring Operation: 47*23=1081, Resulting Numbers: [1081] 1081,92 unequal: No Solution Exploring Operation: 47+23=70, Resulting Numbers: [70] 70,92 unequal: No Solution Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,92 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 #0,1,1 Current State: 92:[92, 43], Operations: ['90+2=92', '47-4=43'] Exploring Operation: 92+43=135, Resulting Numbers: [135] 135,92 unequal: No Solution Exploring Operation: 92*43=3956, Resulting Numbers: [3956] 3956,92 unequal: No Solution Exploring Operation: 92-43=49, Resulting Numbers: [49] 49,92 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 #0,1,3 Current State: 92:[92, 51], Operations: ['90+2=92', '47+4=51'] Exploring Operation: 92*51=4692, Resulting Numbers: [4692] 4692,92 unequal: No Solution Exploring Operation: 92+51=143, Resulting Numbers: [143] 143,92 unequal: No Solution Exploring Operation: 92-51=41, Resulting Numbers: [41] 41,92 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 #0,1,4 Current State: 92:[47, 96], Operations: ['90+2=92', '4+92=96'] Exploring Operation: 47*96=4512, Resulting Numbers: [4512] 4512,92 unequal: No Solution Exploring Operation: 96-47=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 47+96=143, Resulting Numbers: [143] 143,92 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 #0,0 Current State: 92:[47, 4, 45], Operations: ['90/2=45'] Exploring Operation: 4+45=49, Resulting Numbers: [47, 49] Generated Node #0,0,0: 92:[47, 49] Operation: 4+45=49 Exploring Operation: 47+45=92, Resulting Numbers: [4, 92] Generated Node #0,0,1: 92:[4, 92] Operation: 47+45=92 Exploring Operation: 47-45=2, Resulting Numbers: [4, 2] Generated Node #0,0,2: 92:[4, 2] Operation: 47-45=2 Exploring Operation: 47+4=51, Resulting Numbers: [45, 51] Generated Node #0,0,3: 92:[45, 51] Operation: 47+4=51 Exploring Operation: 47-4=43, Resulting Numbers: [45, 43] Generated Node #0,0,4: 92:[45, 43] Operation: 47-4=43 Moving to Node #0,0,1 Current State: 92:[4, 92], Operations: ['90/2=45', '47+45=92'] Exploring Operation: 92-4=88, Resulting Numbers: [88] 88,92 unequal: No Solution Exploring Operation: 4*92=368, Resulting Numbers: [368] 368,92 unequal: No Solution Exploring Operation: 92/4=23, Resulting Numbers: [23] 23,92 unequal: No Solution Exploring Operation: 4+92=96, Resulting Numbers: [96] 96,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[4, 2], Operations: ['90/2=45', '47-45=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,92 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[47, 49], Operations: ['90/2=45', '4+45=49'] Exploring Operation: 47*49=2303, Resulting Numbers: [2303] 2303,92 unequal: No Solution Exploring Operation: 47+49=96, Resulting Numbers: [96] 96,92 unequal: No Solution Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,92 unequal: No Solution Moving to Node #0,0,4 Current State: 92:[45, 43], Operations: ['90/2=45', '47-4=43'] Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 45*43=1935, Resulting Numbers: [1935] 1935,92 unequal: No Solution Exploring Operation: 45+43=88, Resulting Numbers: [88] 88,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[45, 51], Operations: ['90/2=45', '47+4=51'] Exploring Operation: 51-45=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 45+51=96, Resulting Numbers: [96] 96,92 unequal: No Solution Exploring Operation: 45*51=2295, Resulting Numbers: [2295] 2295,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[2, 4, 43], Operations: ['90-47=43'] Exploring Operation: 2+43=45, Resulting Numbers: [4, 45] Generated Node #0,2,0: 92:[4, 45] Operation: 2+43=45 Exploring Operation: 4/2=2, Resulting Numbers: [43, 2] Generated Node #0,2,1: 92:[43, 2] Operation: 4/2=2 Exploring Operation: 2+4=6, Resulting Numbers: [43, 6] Generated Node #0,2,2: 92:[43, 6] Operation: 2+4=6 Exploring Operation: 4+43=47, Resulting Numbers: [2, 47] Generated Node #0,2,3: 92:[2, 47] Operation: 4+43=47 Exploring Operation: 4-2=2, Resulting Numbers: [43, 2] Generated Node #0,2,4: 92:[43, 2] Operation: 4-2=2 Moving to Node #0,2,0 Current State: 92:[4, 45], Operations: ['90-47=43', '2+43=45'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,92 unequal: No Solution Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,92 unequal: No Solution Moving to Node #0,2,3 Current State: 92:[2, 47], Operations: ['90-47=43', '4+43=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,92 unequal: No Solution Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[43, 2], Operations: ['90-47=43', '4/2=2'] Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,92 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,92 unequal: No Solution Moving to Node #0,2,4 Current State: 92:[43, 2], Operations: ['90-47=43', '4-2=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,92 unequal: No Solution Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[43, 6], Operations: ['90-47=43', '2+4=6'] Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,92 unequal: No Solution Exploring Operation: 43*6=258, Resulting Numbers: [258] 258,92 unequal: No Solution Exploring Operation: 43+6=49, Resulting Numbers: [49] 49,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[2, 47, 94], Operations: ['90+4=94'] Exploring Operation: 94/2=47, Resulting Numbers: [47, 47] Generated Node #0,3,0: 92:[47, 47] Operation: 94/2=47 Exploring Operation: 94-2=92, Resulting Numbers: [47, 92] Generated Node #0,3,1: 92:[47, 92] Operation: 94-2=92 Exploring Operation: 94-47=47, Resulting Numbers: [2, 47] Generated Node #0,3,2: 92:[2, 47] Operation: 94-47=47 Exploring Operation: 47-2=45, Resulting Numbers: [94, 45] Generated Node #0,3,3: 92:[94, 45] Operation: 47-2=45 Exploring Operation: 94/47=2, Resulting Numbers: [2, 2] Generated Node #0,3,4: 92:[2, 2] Operation: 94/47=2 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 92:[2, 2], Operations: ['90+4=94', '94/47=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,92 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 #0,3,1 Current State: 92:[47, 92], Operations: ['90+4=94', '94-2=92'] Exploring Operation: 47+92=139, Resulting Numbers: [139] 139,92 unequal: No Solution Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 47*92=4324, Resulting Numbers: [4324] 4324,92 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 #0,3,2 Current State: 92:[2, 47], Operations: ['90+4=94', '94-47=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,92 unequal: No Solution Exploring Operation: 2*47=94, Resulting Numbers: [94] 94,92 unequal: No Solution Exploring Operation: 2+47=49, Resulting Numbers: [49] 49,92 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 #0,3,0 Current State: 92:[47, 47], Operations: ['90+4=94', '94/2=47'] Exploring Operation: 47*47=2209, Resulting Numbers: [2209] 2209,92 unequal: No Solution Exploring Operation: 47+47=94, Resulting Numbers: [94] 94,92 unequal: No Solution Exploring Operation: 47-47=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 47/47=1, Resulting Numbers: [1] 1,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 92:[94, 45], Operations: ['90+4=94', '47-2=45'] Exploring Operation: 94+45=139, Resulting Numbers: [139] 139,92 unequal: No Solution Exploring Operation: 94-45=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 94*45=4230, Resulting Numbers: [4230] 4230,92 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 #0,4 Current State: 92:[90, 4, 45], Operations: ['47-2=45'] Exploring Operation: 90-4=86, Resulting Numbers: [45, 86] Generated Node #0,4,0: 92:[45, 86] Operation: 90-4=86 Exploring Operation: 90/45=2, Resulting Numbers: [4, 2] Generated Node #0,4,1: 92:[4, 2] Operation: 90/45=2 Exploring Operation: 90-45=45, Resulting Numbers: [4, 45] Generated Node #0,4,2: 92:[4, 45] Operation: 90-45=45 Exploring Operation: 90+4=94, Resulting Numbers: [45, 94] Generated Node #0,4,3: 92:[45, 94] Operation: 90+4=94 Exploring Operation: 4+45=49, Resulting Numbers: [90, 49] Generated Node #0,4,4: 92:[90, 49] Operation: 4+45=49 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 92:[4, 2], Operations: ['47-2=45', '90/45=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,92 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 92:[4, 45], Operations: ['47-2=45', '90-45=45'] Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 4*45=180, Resulting Numbers: [180] 180,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 92:[45, 94], Operations: ['47-2=45', '90+4=94'] Exploring Operation: 45+94=139, Resulting Numbers: [139] 139,92 unequal: No Solution Exploring Operation: 45*94=4230, Resulting Numbers: [4230] 4230,92 unequal: No Solution Exploring Operation: 94-45=49, Resulting Numbers: [49] 49,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 92:[90, 49], Operations: ['47-2=45', '4+45=49'] Exploring Operation: 90-49=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 90*49=4410, Resulting Numbers: [4410] 4410,92 unequal: No Solution Exploring Operation: 90+49=139, Resulting Numbers: [139] 139,92 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 92:[45, 86], Operations: ['47-2=45', '90-4=86'] Exploring Operation: 45*86=3870, Resulting Numbers: [3870] 3870,92 unequal: No Solution Exploring Operation: 86-45=41, Resulting Numbers: [41] 41,92 unequal: No Solution Exploring Operation: 45+86=131, Resulting Numbers: [131] 131,92 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_5
mult_heuristic
[ 89, 51, 18, 60 ]
40
[ "89-51=38", "18+60=78", "78-38=40" ]
Current State: 40:[89, 51, 18, 60], Operations: [] Exploring Operation: 89-51=38, Resulting Numbers: [18, 60, 38] Generated Node #2: [18, 60, 38] from Operation: 89-51=38 Current State: 40:[18, 60, 38], Operations: ['89-51=38'] Exploring Operation: 18+60=78, Resulting Numbers: [38, 78] Generated Node #3: [38, 78] from Operation: 18+60=78 Current State: 40:[38, 78], Operations: ['89-51=38', '18+60=78'] Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[89, 51, 18, 60], Operations: [] Exploring Operation: 89-51=38, Resulting Numbers: [18, 60, 38] Generated Node #0,0: 40:[18, 60, 38] Operation: 89-51=38 Exploring Operation: 60-51=9, Resulting Numbers: [89, 18, 9] Generated Node #0,1: 40:[89, 18, 9] Operation: 60-51=9 Exploring Operation: 89-60=29, Resulting Numbers: [51, 18, 29] Generated Node #0,2: 40:[51, 18, 29] Operation: 89-60=29 Start Sub Search at level 1: Moving to Node #0,2 Current State: 40:[51, 18, 29], Operations: ['89-60=29'] Exploring Operation: 51-18=33, Resulting Numbers: [29, 33] Generated Node #0,2,0: 40:[29, 33] Operation: 51-18=33 Exploring Operation: 29-18=11, Resulting Numbers: [51, 11] Generated Node #0,2,1: 40:[51, 11] Operation: 29-18=11 Exploring Operation: 51-29=22, Resulting Numbers: [18, 22] Generated Node #0,2,2: 40:[18, 22] Operation: 51-29=22 Moving to Node #0,2,2 Current State: 40:[18, 22], Operations: ['89-60=29', '51-29=22'] Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[89, 51, 18, 60], Operations: [] Exploring Operation: 89-60=29, Resulting Numbers: [51, 18, 29] Generated Node #0,2: 40:[51, 18, 29] Operation: 89-60=29 Moving to Node #0,2 Current State: 40:[51, 18, 29], Operations: ['89-60=29'] Exploring Operation: 51-29=22, Resulting Numbers: [18, 22] Generated Node #0,2,2: 40:[18, 22] Operation: 51-29=22 Moving to Node #0,2,2 Current State: 40:[18, 22], Operations: ['89-60=29', '51-29=22'] Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 96, 82, 58, 53 ]
97
[ "96-82=14", "58+53=111", "111-14=97" ]
Current State: 97:[96, 82, 58, 53], Operations: [] Exploring Operation: 96-82=14, Resulting Numbers: [58, 53, 14] Generated Node #2: [58, 53, 14] from Operation: 96-82=14 Current State: 97:[58, 53, 14], Operations: ['96-82=14'] Exploring Operation: 58+53=111, Resulting Numbers: [14, 111] Generated Node #3: [14, 111] from Operation: 58+53=111 Current State: 97:[14, 111], Operations: ['96-82=14', '58+53=111'] Exploring Operation: 111-14=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[96, 82, 58, 53], Operations: [] Exploring Operation: 96-53=43, Resulting Numbers: [82, 58, 43] Generated Node #0,0: 97:[82, 58, 43] Operation: 96-53=43 Exploring Operation: 58+53=111, Resulting Numbers: [96, 82, 111] Generated Node #0,1: 97:[96, 82, 111] Operation: 58+53=111 Exploring Operation: 96+53=149, Resulting Numbers: [82, 58, 149] Generated Node #0,2: 97:[82, 58, 149] Operation: 96+53=149 Exploring Operation: 82+53=135, Resulting Numbers: [96, 58, 135] Generated Node #0,3: 97:[96, 58, 135] Operation: 82+53=135 Exploring Operation: 82+58=140, Resulting Numbers: [96, 53, 140] Generated Node #0,4: 97:[96, 53, 140] Operation: 82+58=140 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[96, 82, 111], Operations: ['58+53=111'] Exploring Operation: 111-82=29, Resulting Numbers: [96, 29] Generated Node #0,1,0: 97:[96, 29] Operation: 111-82=29 Exploring Operation: 111-96=15, Resulting Numbers: [82, 15] Generated Node #0,1,1: 97:[82, 15] Operation: 111-96=15 Exploring Operation: 96+82=178, Resulting Numbers: [111, 178] Generated Node #0,1,2: 97:[111, 178] Operation: 96+82=178 Exploring Operation: 82+111=193, Resulting Numbers: [96, 193] Generated Node #0,1,3: 97:[96, 193] Operation: 82+111=193 Exploring Operation: 96-82=14, Resulting Numbers: [111, 14] Generated Node #0,1,4: 97:[111, 14] Operation: 96-82=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[96, 29], Operations: ['58+53=111', '111-82=29'] Exploring Operation: 96+29=125, Resulting Numbers: [125] 125,97 unequal: No Solution Exploring Operation: 96*29=2784, Resulting Numbers: [2784] 2784,97 unequal: No Solution Exploring Operation: 96-29=67, Resulting Numbers: [67] 67,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 97:[111, 178], Operations: ['58+53=111', '96+82=178'] Exploring Operation: 178-111=67, Resulting Numbers: [67] 67,97 unequal: No Solution Exploring Operation: 111+178=289, Resulting Numbers: [289] 289,97 unequal: No Solution Exploring Operation: 111*178=19758, Resulting Numbers: [19758] 19758,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[82, 15], Operations: ['58+53=111', '111-96=15'] Exploring Operation: 82-15=67, Resulting Numbers: [67] 67,97 unequal: No Solution Exploring Operation: 82+15=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[96, 82, 58, 53], Operations: [] Exploring Operation: 58+53=111, Resulting Numbers: [96, 82, 111] Generated Node #0,1: 97:[96, 82, 111] Operation: 58+53=111 Moving to Node #0,1 Current State: 97:[96, 82, 111], Operations: ['58+53=111'] Exploring Operation: 111-96=15, Resulting Numbers: [82, 15] Generated Node #0,1,1: 97:[82, 15] Operation: 111-96=15 Moving to Node #0,1,1 Current State: 97:[82, 15], Operations: ['58+53=111', '111-96=15'] Exploring Operation: 82+15=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980903
hs_5
mult_heuristic
[ 2, 86, 14, 80 ]
56
[ "86-2=84", "84-80=4", "14*4=56" ]
Current State: 56:[2, 86, 14, 80], Operations: [] Exploring Operation: 86-2=84, Resulting Numbers: [14, 80, 84] Generated Node #2: [14, 80, 84] from Operation: 86-2=84 Current State: 56:[14, 80, 84], Operations: ['86-2=84'] Exploring Operation: 84-80=4, Resulting Numbers: [14, 4] Generated Node #3: [14, 4] from Operation: 84-80=4 Current State: 56:[14, 4], Operations: ['86-2=84', '84-80=4'] Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[2, 86, 14, 80], Operations: [] Exploring Operation: 86-80=6, Resulting Numbers: [2, 14, 6] Generated Node #0,0: 56:[2, 14, 6] Operation: 86-80=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[2, 14, 6], Operations: ['86-80=6'] Exploring Operation: 2+6=8, Resulting Numbers: [14, 8] Generated Node #0,0,0: 56:[14, 8] Operation: 2+6=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[14, 8], Operations: ['86-80=6', '2+6=8'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,56 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 39, 17, 10, 29 ]
83
[ "39-29=10", "10*10=100", "100-17=83" ]
Current State: 83:[39, 17, 10, 29], Operations: [] Exploring Operation: 39-29=10, Resulting Numbers: [17, 10, 10] Generated Node #2: [17, 10, 10] from Operation: 39-29=10 Current State: 83:[17, 10, 10], Operations: ['39-29=10'] Exploring Operation: 10*10=100, Resulting Numbers: [17, 100] Generated Node #3: [17, 100] from Operation: 10*10=100 Current State: 83:[17, 100], Operations: ['39-29=10', '10*10=100'] Exploring Operation: 100-17=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[39, 17, 10, 29], Operations: [] Exploring Operation: 39+17=56, Resulting Numbers: [10, 29, 56] Generated Node #0,0: 83:[10, 29, 56] Operation: 39+17=56 Exploring Operation: 39+10=49, Resulting Numbers: [17, 29, 49] Generated Node #0,1: 83:[17, 29, 49] Operation: 39+10=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[10, 29, 56], Operations: ['39+17=56'] Exploring Operation: 10+56=66, Resulting Numbers: [29, 66] Generated Node #0,0,0: 83:[29, 66] Operation: 10+56=66 Exploring Operation: 10+29=39, Resulting Numbers: [56, 39] Generated Node #0,0,1: 83:[56, 39] Operation: 10+29=39 Moving to Node #0,0,0 Current State: 83:[29, 66], Operations: ['39+17=56', '10+56=66'] Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,83 unequal: No Solution Exploring Operation: 29+66=95, Resulting Numbers: [95] 95,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[56, 39], Operations: ['39+17=56', '10+29=39'] Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,83 unequal: No Solution Exploring Operation: 56+39=95, Resulting Numbers: [95] 95,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[17, 29, 49], Operations: ['39+10=49'] Exploring Operation: 17+49=66, Resulting Numbers: [29, 66] Generated Node #0,1,0: 83:[29, 66] Operation: 17+49=66 Exploring Operation: 17+29=46, Resulting Numbers: [49, 46] Generated Node #0,1,1: 83:[49, 46] Operation: 17+29=46 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[29, 66], Operations: ['39+10=49', '17+49=66'] Exploring Operation: 29+66=95, Resulting Numbers: [95] 95,83 unequal: No Solution Exploring Operation: 66-29=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 #0,1,1 Current State: 83:[49, 46], Operations: ['39+10=49', '17+29=46'] Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,83 unequal: No Solution Exploring Operation: 49+46=95, Resulting Numbers: [95] 95,83 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_2
sum_heuristic
[ 52, 45, 60, 2 ]
82
[ "60-52=8", "45*2=90", "90-8=82" ]
Current State: 82:[52, 45, 60, 2], Operations: [] Exploring Operation: 60-52=8, Resulting Numbers: [45, 2, 8] Generated Node #2: [45, 2, 8] from Operation: 60-52=8 Current State: 82:[45, 2, 8], Operations: ['60-52=8'] Exploring Operation: 45*2=90, Resulting Numbers: [8, 90] Generated Node #3: [8, 90] from Operation: 45*2=90 Current State: 82:[8, 90], Operations: ['60-52=8', '45*2=90'] Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[52, 45, 60, 2], Operations: [] Exploring Operation: 60-52=8, Resulting Numbers: [45, 2, 8] Generated Node #0,0: 82:[45, 2, 8] Operation: 60-52=8 Exploring Operation: 52-45=7, Resulting Numbers: [60, 2, 7] Generated Node #0,1: 82:[60, 2, 7] Operation: 52-45=7 Moving to Node #0,0 Current State: 82:[45, 2, 8], Operations: ['60-52=8'] Exploring Operation: 45-8=37, Resulting Numbers: [2, 37] Generated Node #0,0,0: 82:[2, 37] Operation: 45-8=37 Exploring Operation: 8/2=4, Resulting Numbers: [45, 4] Generated Node #0,0,1: 82:[45, 4] Operation: 8/2=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[2, 37], Operations: ['60-52=8', '45-8=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,82 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 82:[45, 4], Operations: ['60-52=8', '8/2=4'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,82 unequal: No Solution Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,82 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: 82:[60, 2, 7], Operations: ['52-45=7'] Exploring Operation: 60+7=67, Resulting Numbers: [2, 67] Generated Node #0,1,0: 82:[2, 67] Operation: 60+7=67 Exploring Operation: 60-7=53, Resulting Numbers: [2, 53] Generated Node #0,1,1: 82:[2, 53] Operation: 60-7=53 Moving to Node #0,1,1 Current State: 82:[2, 53], Operations: ['52-45=7', '60-7=53'] Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,82 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,82 unequal: No Solution Moving to Node #0,1,0 Current State: 82:[2, 67], Operations: ['52-45=7', '60+7=67'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,82 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,82 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 35, 45, 25, 22 ]
100
[ "25-22=3", "45*3=135", "135-35=100" ]
Current State: 100:[35, 45, 25, 22], Operations: [] Exploring Operation: 25-22=3, Resulting Numbers: [35, 45, 3] Generated Node #2: [35, 45, 3] from Operation: 25-22=3 Current State: 100:[35, 45, 3], Operations: ['25-22=3'] Exploring Operation: 45*3=135, Resulting Numbers: [35, 135] Generated Node #3: [35, 135] from Operation: 45*3=135 Current State: 100:[35, 135], Operations: ['25-22=3', '45*3=135'] Exploring Operation: 135-35=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[35, 45, 25, 22], Operations: [] Exploring Operation: 45-35=10, Resulting Numbers: [25, 22, 10] Generated Node #0,0: 100:[25, 22, 10] Operation: 45-35=10 Moving to Node #0,0 Current State: 100:[25, 22, 10], Operations: ['45-35=10'] Exploring Operation: 25-22=3, Resulting Numbers: [10, 3] Generated Node #0,0,0: 100:[10, 3] Operation: 25-22=3 Moving to Node #0,0,0 Current State: 100:[10, 3], Operations: ['45-35=10', '25-22=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,100 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 26, 52, 18, 24 ]
15
[ "52/26=2", "18/2=9", "24-9=15" ]
Current State: 15:[26, 52, 18, 24], Operations: [] Exploring Operation: 52/26=2, Resulting Numbers: [18, 24, 2] Generated Node #2: [18, 24, 2] from Operation: 52/26=2 Current State: 15:[18, 24, 2], Operations: ['52/26=2'] Exploring Operation: 18/2=9, Resulting Numbers: [24, 9] Generated Node #3: [24, 9] from Operation: 18/2=9 Current State: 15:[24, 9], Operations: ['52/26=2', '18/2=9'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[26, 52, 18, 24], Operations: [] Exploring Operation: 52-26=26, Resulting Numbers: [18, 24, 26] Generated Node #0,0: 15:[18, 24, 26] Operation: 52-26=26 Exploring Operation: 52-24=28, Resulting Numbers: [26, 18, 28] Generated Node #0,1: 15:[26, 18, 28] Operation: 52-24=28 Exploring Operation: 26-24=2, Resulting Numbers: [52, 18, 2] Generated Node #0,2: 15:[52, 18, 2] Operation: 26-24=2 Exploring Operation: 52-18=34, Resulting Numbers: [26, 24, 34] Generated Node #0,3: 15:[26, 24, 34] Operation: 52-18=34 Exploring Operation: 52/26=2, Resulting Numbers: [18, 24, 2] Generated Node #0,4: 15:[18, 24, 2] Operation: 52/26=2 Moving to Node #0,4 Current State: 15:[18, 24, 2], Operations: ['52/26=2'] Exploring Operation: 24-2=22, Resulting Numbers: [18, 22] Generated Node #0,4,0: 15:[18, 22] Operation: 24-2=22 Exploring Operation: 24/2=12, Resulting Numbers: [18, 12] Generated Node #0,4,1: 15:[18, 12] Operation: 24/2=12 Exploring Operation: 18-2=16, Resulting Numbers: [24, 16] Generated Node #0,4,2: 15:[24, 16] Operation: 18-2=16 Exploring Operation: 18/2=9, Resulting Numbers: [24, 9] Generated Node #0,4,3: 15:[24, 9] Operation: 18/2=9 Exploring Operation: 24-18=6, Resulting Numbers: [2, 6] Generated Node #0,4,4: 15:[2, 6] Operation: 24-18=6 Moving to Node #0,0 Current State: 15:[18, 24, 26], Operations: ['52-26=26'] Exploring Operation: 26-18=8, Resulting Numbers: [24, 8] Generated Node #0,0,0: 15:[24, 8] Operation: 26-18=8 Exploring Operation: 18+26=44, Resulting Numbers: [24, 44] Generated Node #0,0,1: 15:[24, 44] Operation: 18+26=44 Exploring Operation: 24-18=6, Resulting Numbers: [26, 6] Generated Node #0,0,2: 15:[26, 6] Operation: 24-18=6 Exploring Operation: 18+24=42, Resulting Numbers: [26, 42] Generated Node #0,0,3: 15:[26, 42] Operation: 18+24=42 Exploring Operation: 26-24=2, Resulting Numbers: [18, 2] Generated Node #0,0,4: 15:[18, 2] Operation: 26-24=2 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 15:[18, 2], Operations: ['52-26=26', '26-24=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,15 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[24, 8], Operations: ['52-26=26', '26-18=8'] Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,15 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 15:[26, 6], Operations: ['52-26=26', '24-18=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,15 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[24, 44], Operations: ['52-26=26', '18+26=44'] Exploring Operation: 24+44=68, Resulting Numbers: [68] 68,15 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 24*44=1056, Resulting Numbers: [1056] 1056,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 15:[26, 42], Operations: ['52-26=26', '18+24=42'] Exploring Operation: 26*42=1092, Resulting Numbers: [1092] 1092,15 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 26+42=68, Resulting Numbers: [68] 68,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 15:[26, 18, 28], Operations: ['52-24=28'] Exploring Operation: 28-26=2, Resulting Numbers: [18, 2] Generated Node #0,1,0: 15:[18, 2] Operation: 28-26=2 Exploring Operation: 26+18=44, Resulting Numbers: [28, 44] Generated Node #0,1,1: 15:[28, 44] Operation: 26+18=44 Exploring Operation: 26-18=8, Resulting Numbers: [28, 8] Generated Node #0,1,2: 15:[28, 8] Operation: 26-18=8 Exploring Operation: 26+28=54, Resulting Numbers: [18, 54] Generated Node #0,1,3: 15:[18, 54] Operation: 26+28=54 Exploring Operation: 28-18=10, Resulting Numbers: [26, 10] Generated Node #0,1,4: 15:[26, 10] Operation: 28-18=10 Moving to Node #0,3 Current State: 15:[26, 24, 34], Operations: ['52-18=34'] Exploring Operation: 34-24=10, Resulting Numbers: [26, 10] Generated Node #0,3,0: 15:[26, 10] Operation: 34-24=10 Exploring Operation: 34-26=8, Resulting Numbers: [24, 8] Generated Node #0,3,1: 15:[24, 8] Operation: 34-26=8 Exploring Operation: 26-24=2, Resulting Numbers: [34, 2] Generated Node #0,3,2: 15:[34, 2] Operation: 26-24=2 Exploring Operation: 26+24=50, Resulting Numbers: [34, 50] Generated Node #0,3,3: 15:[34, 50] Operation: 26+24=50 Exploring Operation: 26+34=60, Resulting Numbers: [24, 60] Generated Node #0,3,4: 15:[24, 60] Operation: 26+34=60 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 15:[24, 8], Operations: ['52-18=34', '34-26=8'] Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,15 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 15:[26, 10], Operations: ['52-18=34', '34-24=10'] Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,15 unequal: No Solution Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 15:[34, 2], Operations: ['52-18=34', '26-24=2'] Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,15 unequal: No Solution Exploring Operation: 34+2=36, Resulting Numbers: [36] 36,15 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 15:[34, 50], Operations: ['52-18=34', '26+24=50'] Exploring Operation: 34+50=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 34*50=1700, Resulting Numbers: [1700] 1700,15 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 15:[24, 60], Operations: ['52-18=34', '26+34=60'] Exploring Operation: 24+60=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 24*60=1440, Resulting Numbers: [1440] 1440,15 unequal: No Solution Exploring Operation: 60-24=36, Resulting Numbers: [36] 36,15 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: 15:[52, 18, 2], Operations: ['26-24=2'] Exploring Operation: 52/2=26, Resulting Numbers: [18, 26] Generated Node #0,2,0: 15:[18, 26] Operation: 52/2=26 Exploring Operation: 18-2=16, Resulting Numbers: [52, 16] Generated Node #0,2,1: 15:[52, 16] Operation: 18-2=16 Exploring Operation: 52-2=50, Resulting Numbers: [18, 50] Generated Node #0,2,2: 15:[18, 50] Operation: 52-2=50 Exploring Operation: 18/2=9, Resulting Numbers: [52, 9] Generated Node #0,2,3: 15:[52, 9] Operation: 18/2=9 Exploring Operation: 52-18=34, Resulting Numbers: [2, 34] Generated Node #0,2,4: 15:[2, 34] Operation: 52-18=34 Moving to Node #0,4,4 Current State: 15:[2, 6], Operations: ['52/26=2', '24-18=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,15 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[18, 2], Operations: ['52-24=28', '28-26=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,15 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,15 unequal: No Solution Moving to Node #0,4,1 Current State: 15:[18, 12], Operations: ['52/26=2', '24/2=12'] Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,15 unequal: No Solution Exploring Operation: 18*12=216, Resulting Numbers: [216] 216,15 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,15 unequal: No Solution Moving to Node #0,4,0 Current State: 15:[18, 22], Operations: ['52/26=2', '24-2=22'] Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,15 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,15 unequal: No Solution Moving to Node #0,4,2 Current State: 15:[24, 16], Operations: ['52/26=2', '18-2=16'] Exploring Operation: 24*16=384, Resulting Numbers: [384] 384,15 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 24+16=40, Resulting Numbers: [40] 40,15 unequal: No Solution Moving to Node #0,4,3 Current State: 15:[24, 9], Operations: ['52/26=2', '18/2=9'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[26, 52, 18, 24], Operations: [] Exploring Operation: 52/26=2, Resulting Numbers: [18, 24, 2] Generated Node #0,4: 15:[18, 24, 2] Operation: 52/26=2 Moving to Node #0,4 Current State: 15:[18, 24, 2], Operations: ['52/26=2'] Exploring Operation: 18/2=9, Resulting Numbers: [24, 9] Generated Node #0,4,3: 15:[24, 9] Operation: 18/2=9 Moving to Node #0,4,3 Current State: 15:[24, 9], Operations: ['52/26=2', '18/2=9'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.925347
hs_5
sum_heuristic
[ 26, 58, 22, 57 ]
46
[ "22*57=1254", "1254-58=1196", "1196/26=46" ]
Current State: 46:[26, 58, 22, 57], Operations: [] Exploring Operation: 22*57=1254, Resulting Numbers: [26, 58, 1254] Generated Node #2: [26, 58, 1254] from Operation: 22*57=1254 Current State: 46:[26, 58, 1254], Operations: ['22*57=1254'] Exploring Operation: 1254-58=1196, Resulting Numbers: [26, 1196] Generated Node #3: [26, 1196] from Operation: 1254-58=1196 Current State: 46:[26, 1196], Operations: ['22*57=1254', '1254-58=1196'] Exploring Operation: 1196/26=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[26, 58, 22, 57], Operations: [] Exploring Operation: 58-22=36, Resulting Numbers: [26, 57, 36] Generated Node #0,0: 46:[26, 57, 36] Operation: 58-22=36 Exploring Operation: 57-26=31, Resulting Numbers: [58, 22, 31] Generated Node #0,1: 46:[58, 22, 31] Operation: 57-26=31 Exploring Operation: 58-26=32, Resulting Numbers: [22, 57, 32] Generated Node #0,2: 46:[22, 57, 32] Operation: 58-26=32 Exploring Operation: 26+22=48, Resulting Numbers: [58, 57, 48] Generated Node #0,3: 46:[58, 57, 48] Operation: 26+22=48 Exploring Operation: 58-57=1, Resulting Numbers: [26, 22, 1] Generated Node #0,4: 46:[26, 22, 1] Operation: 58-57=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 46:[26, 22, 1], Operations: ['58-57=1'] Exploring Operation: 26-1=25, Resulting Numbers: [22, 25] Generated Node #0,4,0: 46:[22, 25] Operation: 26-1=25 Exploring Operation: 22+1=23, Resulting Numbers: [26, 23] Generated Node #0,4,1: 46:[26, 23] Operation: 22+1=23 Exploring Operation: 26*1=26, Resulting Numbers: [22, 26] Generated Node #0,4,2: 46:[22, 26] Operation: 26*1=26 Exploring Operation: 26-22=4, Resulting Numbers: [1, 4] Generated Node #0,4,3: 46:[1, 4] Operation: 26-22=4 Exploring Operation: 26+22=48, Resulting Numbers: [1, 48] Generated Node #0,4,4: 46:[1, 48] Operation: 26+22=48 Moving to Node #0,4,0 Current State: 46:[22, 25], Operations: ['58-57=1', '26-1=25'] Exploring Operation: 25-22=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 22+25=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 22*25=550, Resulting Numbers: [550] 550,46 unequal: No Solution Moving to Node #0,4,3 Current State: 46:[1, 4], Operations: ['58-57=1', '26-22=4'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,46 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,46 unequal: No Solution Moving to Node #0,4,1 Current State: 46:[26, 23], Operations: ['58-57=1', '22+1=23'] Exploring Operation: 26-23=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 26+23=49, Resulting Numbers: [49] 49,46 unequal: No Solution Exploring Operation: 26*23=598, Resulting Numbers: [598] 598,46 unequal: No Solution Moving to Node #0,4,4 Current State: 46:[1, 48], Operations: ['58-57=1', '26+22=48'] Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,46 unequal: No Solution Exploring Operation: 1*48=48, Resulting Numbers: [48] 48,46 unequal: No Solution Moving to Node #0,4,2 Current State: 46:[22, 26], Operations: ['58-57=1', '26*1=26'] Exploring Operation: 22*26=572, Resulting Numbers: [572] 572,46 unequal: No Solution Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,46 unequal: No Solution Exploring Operation: 22+26=48, Resulting Numbers: [48] 48,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[58, 22, 31], Operations: ['57-26=31'] Exploring Operation: 58-22=36, Resulting Numbers: [31, 36] Generated Node #0,1,0: 46:[31, 36] Operation: 58-22=36 Exploring Operation: 58+22=80, Resulting Numbers: [31, 80] Generated Node #0,1,1: 46:[31, 80] Operation: 58+22=80 Exploring Operation: 58-31=27, Resulting Numbers: [22, 27] Generated Node #0,1,2: 46:[22, 27] Operation: 58-31=27 Exploring Operation: 22+31=53, Resulting Numbers: [58, 53] Generated Node #0,1,3: 46:[58, 53] Operation: 22+31=53 Exploring Operation: 31-22=9, Resulting Numbers: [58, 9] Generated Node #0,1,4: 46:[58, 9] Operation: 31-22=9 Moving to Node #0,1,2 Current State: 46:[22, 27], Operations: ['57-26=31', '58-31=27'] Exploring Operation: 22*27=594, Resulting Numbers: [594] 594,46 unequal: No Solution Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 22+27=49, Resulting Numbers: [49] 49,46 unequal: No Solution Moving to Node #0,1,0 Current State: 46:[31, 36], Operations: ['57-26=31', '58-22=36'] Exploring Operation: 31*36=1116, Resulting Numbers: [1116] 1116,46 unequal: No Solution Exploring Operation: 31+36=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,46 unequal: No Solution Moving to Node #0,1,3 Current State: 46:[58, 53], Operations: ['57-26=31', '22+31=53'] Exploring Operation: 58-53=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 58*53=3074, Resulting Numbers: [3074] 3074,46 unequal: No Solution Exploring Operation: 58+53=111, Resulting Numbers: [111] 111,46 unequal: No Solution Moving to Node #0,1,4 Current State: 46:[58, 9], Operations: ['57-26=31', '31-22=9'] Exploring Operation: 58*9=522, Resulting Numbers: [522] 522,46 unequal: No Solution Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[31, 80], Operations: ['57-26=31', '58+22=80'] Exploring Operation: 31+80=111, Resulting Numbers: [111] 111,46 unequal: No Solution Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,46 unequal: No Solution Exploring Operation: 31*80=2480, Resulting Numbers: [2480] 2480,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 46:[22, 57, 32], Operations: ['58-26=32'] Exploring Operation: 57-22=35, Resulting Numbers: [32, 35] Generated Node #0,2,0: 46:[32, 35] Operation: 57-22=35 Exploring Operation: 32-22=10, Resulting Numbers: [57, 10] Generated Node #0,2,1: 46:[57, 10] Operation: 32-22=10 Exploring Operation: 22+57=79, Resulting Numbers: [32, 79] Generated Node #0,2,2: 46:[32, 79] Operation: 22+57=79 Exploring Operation: 57-32=25, Resulting Numbers: [22, 25] Generated Node #0,2,3: 46:[22, 25] Operation: 57-32=25 Exploring Operation: 22+32=54, Resulting Numbers: [57, 54] Generated Node #0,2,4: 46:[57, 54] Operation: 22+32=54 Moving to Node #0,2,3 Current State: 46:[22, 25], Operations: ['58-26=32', '57-32=25'] Exploring Operation: 22*25=550, Resulting Numbers: [550] 550,46 unequal: No Solution Exploring Operation: 25-22=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 22+25=47, Resulting Numbers: [47] 47,46 unequal: No Solution Moving to Node #0,2,4 Current State: 46:[57, 54], Operations: ['58-26=32', '22+32=54'] Exploring Operation: 57+54=111, Resulting Numbers: [111] 111,46 unequal: No Solution Exploring Operation: 57-54=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 57*54=3078, Resulting Numbers: [3078] 3078,46 unequal: No Solution Moving to Node #0,2,1 Current State: 46:[57, 10], Operations: ['58-26=32', '32-22=10'] Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 57*10=570, Resulting Numbers: [570] 570,46 unequal: No Solution Exploring Operation: 57+10=67, Resulting Numbers: [67] 67,46 unequal: No Solution Moving to Node #0,2,0 Current State: 46:[32, 35], Operations: ['58-26=32', '57-22=35'] Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 32*35=1120, Resulting Numbers: [1120] 1120,46 unequal: No Solution Moving to Node #0,2,2 Current State: 46:[32, 79], Operations: ['58-26=32', '22+57=79'] Exploring Operation: 32+79=111, Resulting Numbers: [111] 111,46 unequal: No Solution Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 32*79=2528, Resulting Numbers: [2528] 2528,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[26, 57, 36], Operations: ['58-22=36'] Exploring Operation: 57-26=31, Resulting Numbers: [36, 31] Generated Node #0,0,0: 46:[36, 31] Operation: 57-26=31 Exploring Operation: 36-26=10, Resulting Numbers: [57, 10] Generated Node #0,0,1: 46:[57, 10] Operation: 36-26=10 Exploring Operation: 57-36=21, Resulting Numbers: [26, 21] Generated Node #0,0,2: 46:[26, 21] Operation: 57-36=21 Exploring Operation: 26+57=83, Resulting Numbers: [36, 83] Generated Node #0,0,3: 46:[36, 83] Operation: 26+57=83 Exploring Operation: 26+36=62, Resulting Numbers: [57, 62] Generated Node #0,0,4: 46:[57, 62] Operation: 26+36=62 Moving to Node #0,0,2 Current State: 46:[26, 21], Operations: ['58-22=36', '57-36=21'] Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 26+21=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 26*21=546, Resulting Numbers: [546] 546,46 unequal: No Solution Moving to Node #0,0,0 Current State: 46:[36, 31], Operations: ['58-22=36', '57-26=31'] Exploring Operation: 36*31=1116, Resulting Numbers: [1116] 1116,46 unequal: No Solution Exploring Operation: 36+31=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 36-31=5, Resulting Numbers: [5] 5,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[57, 10], Operations: ['58-22=36', '36-26=10'] Exploring Operation: 57*10=570, Resulting Numbers: [570] 570,46 unequal: No Solution Exploring Operation: 57+10=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,46 unequal: No Solution Moving to Node #0,0,4 Current State: 46:[57, 62], Operations: ['58-22=36', '26+36=62'] Exploring Operation: 57*62=3534, Resulting Numbers: [3534] 3534,46 unequal: No Solution Exploring Operation: 62-57=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 57+62=119, Resulting Numbers: [119] 119,46 unequal: No Solution Moving to Node #0,0,3 Current State: 46:[36, 83], Operations: ['58-22=36', '26+57=83'] Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 36*83=2988, Resulting Numbers: [2988] 2988,46 unequal: No Solution Exploring Operation: 36+83=119, Resulting Numbers: [119] 119,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 46:[58, 57, 48], Operations: ['26+22=48'] Exploring Operation: 58+48=106, Resulting Numbers: [57, 106] Generated Node #0,3,0: 46:[57, 106] Operation: 58+48=106 Exploring Operation: 58-48=10, Resulting Numbers: [57, 10] Generated Node #0,3,1: 46:[57, 10] Operation: 58-48=10 Exploring Operation: 57-48=9, Resulting Numbers: [58, 9] Generated Node #0,3,2: 46:[58, 9] Operation: 57-48=9 Exploring Operation: 58+57=115, Resulting Numbers: [48, 115] Generated Node #0,3,3: 46:[48, 115] Operation: 58+57=115 Exploring Operation: 58-57=1, Resulting Numbers: [48, 1] Generated Node #0,3,4: 46:[48, 1] Operation: 58-57=1 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 46:[48, 1], Operations: ['26+22=48', '58-57=1'] Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 46:[57, 10], Operations: ['26+22=48', '58-48=10'] Exploring Operation: 57*10=570, Resulting Numbers: [570] 570,46 unequal: No Solution Exploring Operation: 57+10=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 57-10=47, Resulting Numbers: [47] 47,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 46:[58, 9], Operations: ['26+22=48', '57-48=9'] Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,46 unequal: No Solution Exploring Operation: 58*9=522, Resulting Numbers: [522] 522,46 unequal: No Solution Exploring Operation: 58+9=67, Resulting Numbers: [67] 67,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 46:[57, 106], Operations: ['26+22=48', '58+48=106'] Exploring Operation: 57+106=163, Resulting Numbers: [163] 163,46 unequal: No Solution Exploring Operation: 106-57=49, Resulting Numbers: [49] 49,46 unequal: No Solution Exploring Operation: 57*106=6042, Resulting Numbers: [6042] 6042,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 46:[48, 115], Operations: ['26+22=48', '58+57=115'] Exploring Operation: 48+115=163, Resulting Numbers: [163] 163,46 unequal: No Solution Exploring Operation: 115-48=67, Resulting Numbers: [67] 67,46 unequal: No Solution Exploring Operation: 48*115=5520, Resulting Numbers: [5520] 5520,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 52, 91, 88, 13 ]
62
[ "91-52=39", "88+13=101", "101-39=62" ]
Current State: 62:[52, 91, 88, 13], Operations: [] Exploring Operation: 91-52=39, Resulting Numbers: [88, 13, 39] Generated Node #2: [88, 13, 39] from Operation: 91-52=39 Current State: 62:[88, 13, 39], Operations: ['91-52=39'] Exploring Operation: 88+13=101, Resulting Numbers: [39, 101] Generated Node #3: [39, 101] from Operation: 88+13=101 Current State: 62:[39, 101], Operations: ['91-52=39', '88+13=101'] Exploring Operation: 101-39=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[52, 91, 88, 13], Operations: [] Exploring Operation: 91/13=7, Resulting Numbers: [52, 88, 7] Generated Node #0,0: 62:[52, 88, 7] Operation: 91/13=7 Exploring Operation: 91-88=3, Resulting Numbers: [52, 13, 3] Generated Node #0,1: 62:[52, 13, 3] Operation: 91-88=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[52, 13, 3], Operations: ['91-88=3'] Exploring Operation: 52+13=65, Resulting Numbers: [3, 65] Generated Node #0,1,0: 62:[3, 65] Operation: 52+13=65 Exploring Operation: 52/13=4, Resulting Numbers: [3, 4] Generated Node #0,1,1: 62:[3, 4] Operation: 52/13=4 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 62:[3, 4], Operations: ['91-88=3', '52/13=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 No 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: 62:[3, 65], Operations: ['91-88=3', '52+13=65'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[52, 91, 88, 13], Operations: [] Exploring Operation: 91-88=3, Resulting Numbers: [52, 13, 3] Generated Node #0,1: 62:[52, 13, 3] Operation: 91-88=3 Moving to Node #0,1 Current State: 62:[52, 13, 3], Operations: ['91-88=3'] Exploring Operation: 52+13=65, Resulting Numbers: [3, 65] Generated Node #0,1,0: 62:[3, 65] Operation: 52+13=65 Moving to Node #0,1,0 Current State: 62:[3, 65], Operations: ['91-88=3', '52+13=65'] Exploring Operation: 65-3=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 39, 82, 98, 43 ]
97
[ "82-39=43", "43/43=1", "98-1=97" ]
Current State: 97:[39, 82, 98, 43], Operations: [] Exploring Operation: 82-39=43, Resulting Numbers: [98, 43, 43] Generated Node #2: [98, 43, 43] from Operation: 82-39=43 Current State: 97:[98, 43, 43], Operations: ['82-39=43'] Exploring Operation: 43/43=1, Resulting Numbers: [98, 1] Generated Node #3: [98, 1] from Operation: 43/43=1 Current State: 97:[98, 1], Operations: ['82-39=43', '43/43=1'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[39, 82, 98, 43], Operations: [] Exploring Operation: 98-39=59, Resulting Numbers: [82, 43, 59] Generated Node #0,0: 97:[82, 43, 59] Operation: 98-39=59 Exploring Operation: 39+43=82, Resulting Numbers: [82, 98, 82] Generated Node #0,1: 97:[82, 98, 82] Operation: 39+43=82 Exploring Operation: 82+43=125, Resulting Numbers: [39, 98, 125] Generated Node #0,2: 97:[39, 98, 125] Operation: 82+43=125 Exploring Operation: 39+82=121, Resulting Numbers: [98, 43, 121] Generated Node #0,3: 97:[98, 43, 121] Operation: 39+82=121 Exploring Operation: 82-39=43, Resulting Numbers: [98, 43, 43] Generated Node #0,4: 97:[98, 43, 43] Operation: 82-39=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[82, 98, 82], Operations: ['39+43=82'] Exploring Operation: 82+82=164, Resulting Numbers: [98, 164] Generated Node #0,1,0: 97:[98, 164] Operation: 82+82=164 Exploring Operation: 82+98=180, Resulting Numbers: [82, 180] Generated Node #0,1,1: 97:[82, 180] Operation: 82+98=180 Exploring Operation: 98-82=16, Resulting Numbers: [82, 16] Generated Node #0,1,2: 97:[82, 16] Operation: 98-82=16 Exploring Operation: 82/82=1, Resulting Numbers: [98, 1] Generated Node #0,1,3: 97:[98, 1] Operation: 82/82=1 Exploring Operation: 98-82=16, Resulting Numbers: [82, 16] Generated Node #0,1,4: 97:[82, 16] Operation: 98-82=16 Moving to Node #0,1,0 Current State: 97:[98, 164], Operations: ['39+43=82', '82+82=164'] Exploring Operation: 98+164=262, Resulting Numbers: [262] 262,97 unequal: No Solution Exploring Operation: 98*164=16072, Resulting Numbers: [16072] 16072,97 unequal: No Solution Exploring Operation: 164-98=66, Resulting Numbers: [66] 66,97 unequal: No Solution Moving to Node #0,1,4 Current State: 97:[82, 16], Operations: ['39+43=82', '98-82=16'] Exploring Operation: 82*16=1312, Resulting Numbers: [1312] 1312,97 unequal: No Solution Exploring Operation: 82-16=66, Resulting Numbers: [66] 66,97 unequal: No Solution Exploring Operation: 82+16=98, Resulting Numbers: [98] 98,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[82, 16], Operations: ['39+43=82', '98-82=16'] Exploring Operation: 82*16=1312, Resulting Numbers: [1312] 1312,97 unequal: No Solution Exploring Operation: 82-16=66, Resulting Numbers: [66] 66,97 unequal: No Solution Exploring Operation: 82+16=98, Resulting Numbers: [98] 98,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[98, 1], Operations: ['39+43=82', '82/82=1'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[39, 82, 98, 43], Operations: [] Exploring Operation: 39+43=82, Resulting Numbers: [82, 98, 82] Generated Node #0,1: 97:[82, 98, 82] Operation: 39+43=82 Moving to Node #0,1 Current State: 97:[82, 98, 82], Operations: ['39+43=82'] Exploring Operation: 82/82=1, Resulting Numbers: [98, 1] Generated Node #0,1,3: 97:[98, 1] Operation: 82/82=1 Moving to Node #0,1,3 Current State: 97:[98, 1], Operations: ['39+43=82', '82/82=1'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 22, 28, 82, 46 ]
30
[ "28-22=6", "82-46=36", "36-6=30" ]
Current State: 30:[22, 28, 82, 46], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [82, 46, 6] Generated Node #2: [82, 46, 6] from Operation: 28-22=6 Current State: 30:[82, 46, 6], Operations: ['28-22=6'] Exploring Operation: 82-46=36, Resulting Numbers: [6, 36] Generated Node #3: [6, 36] from Operation: 82-46=36 Current State: 30:[6, 36], Operations: ['28-22=6', '82-46=36'] Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[22, 28, 82, 46], Operations: [] Exploring Operation: 82-46=36, Resulting Numbers: [22, 28, 36] Generated Node #0,0: 30:[22, 28, 36] Operation: 82-46=36 Exploring Operation: 82-28=54, Resulting Numbers: [22, 46, 54] Generated Node #0,1: 30:[22, 46, 54] Operation: 82-28=54 Moving to Node #0,0 Current State: 30:[22, 28, 36], Operations: ['82-46=36'] Exploring Operation: 28-22=6, Resulting Numbers: [36, 6] Generated Node #0,0,0: 30:[36, 6] Operation: 28-22=6 Exploring Operation: 36-22=14, Resulting Numbers: [28, 14] Generated Node #0,0,1: 30:[28, 14] Operation: 36-22=14 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[28, 14], Operations: ['82-46=36', '36-22=14'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,30 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[36, 6], Operations: ['82-46=36', '28-22=6'] Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[22, 28, 82, 46], Operations: [] Exploring Operation: 82-46=36, Resulting Numbers: [22, 28, 36] Generated Node #0,0: 30:[22, 28, 36] Operation: 82-46=36 Moving to Node #0,0 Current State: 30:[22, 28, 36], Operations: ['82-46=36'] Exploring Operation: 28-22=6, Resulting Numbers: [36, 6] Generated Node #0,0,0: 30:[36, 6] Operation: 28-22=6 Moving to Node #0,0,0 Current State: 30:[36, 6], Operations: ['82-46=36', '28-22=6'] Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 76, 18, 73, 32 ]
78
[ "76-73=3", "32*3=96", "96-18=78" ]
Current State: 78:[76, 18, 73, 32], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [18, 32, 3] Generated Node #2: [18, 32, 3] from Operation: 76-73=3 Current State: 78:[18, 32, 3], Operations: ['76-73=3'] Exploring Operation: 32*3=96, Resulting Numbers: [18, 96] Generated Node #3: [18, 96] from Operation: 32*3=96 Current State: 78:[18, 96], Operations: ['76-73=3', '32*3=96'] Exploring Operation: 96-18=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[76, 18, 73, 32], Operations: [] Exploring Operation: 32-18=14, Resulting Numbers: [76, 73, 14] Generated Node #0,0: 78:[76, 73, 14] Operation: 32-18=14 Moving to Node #0,0 Current State: 78:[76, 73, 14], Operations: ['32-18=14'] Exploring Operation: 76-73=3, Resulting Numbers: [14, 3] Generated Node #0,0,0: 78:[14, 3] Operation: 76-73=3 Moving to Node #0,0,0 Current State: 78:[14, 3], Operations: ['32-18=14', '76-73=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,78 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 84, 67, 83, 52 ]
15
[ "84-83=1", "67-52=15", "1*15=15" ]
Current State: 15:[84, 67, 83, 52], Operations: [] Exploring Operation: 84-83=1, Resulting Numbers: [67, 52, 1] Generated Node #2: [67, 52, 1] from Operation: 84-83=1 Current State: 15:[67, 52, 1], Operations: ['84-83=1'] Exploring Operation: 67-52=15, Resulting Numbers: [1, 15] Generated Node #3: [1, 15] from Operation: 67-52=15 Current State: 15:[1, 15], Operations: ['84-83=1', '67-52=15'] Exploring Operation: 1*15=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[84, 67, 83, 52], Operations: [] Exploring Operation: 84-67=17, Resulting Numbers: [83, 52, 17] Generated Node #0,0: 15:[83, 52, 17] Operation: 84-67=17 Exploring Operation: 84-83=1, Resulting Numbers: [67, 52, 1] Generated Node #0,1: 15:[67, 52, 1] Operation: 84-83=1 Moving to Node #0,1 Current State: 15:[67, 52, 1], Operations: ['84-83=1'] Exploring Operation: 67-1=66, Resulting Numbers: [52, 66] Generated Node #0,1,0: 15:[52, 66] Operation: 67-1=66 Exploring Operation: 67-52=15, Resulting Numbers: [1, 15] Generated Node #0,1,1: 15:[1, 15] Operation: 67-52=15 Moving to Node #0,0 Current State: 15:[83, 52, 17], Operations: ['84-67=17'] Exploring Operation: 83-52=31, Resulting Numbers: [17, 31] Generated Node #0,0,0: 15:[17, 31] Operation: 83-52=31 Exploring Operation: 83-17=66, Resulting Numbers: [52, 66] Generated Node #0,0,1: 15:[52, 66] Operation: 83-17=66 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[17, 31], Operations: ['84-67=17', '83-52=31'] Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[52, 66], Operations: ['84-67=17', '83-17=66'] Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 52+66=118, Resulting Numbers: [118] 118,15 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: 15:[1, 15], Operations: ['84-83=1', '67-52=15'] Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[84, 67, 83, 52], Operations: [] Exploring Operation: 84-83=1, Resulting Numbers: [67, 52, 1] Generated Node #0,1: 15:[67, 52, 1] Operation: 84-83=1 Moving to Node #0,1 Current State: 15:[67, 52, 1], Operations: ['84-83=1'] Exploring Operation: 67-52=15, Resulting Numbers: [1, 15] Generated Node #0,1,1: 15:[1, 15] Operation: 67-52=15 Moving to Node #0,1,1 Current State: 15:[1, 15], Operations: ['84-83=1', '67-52=15'] Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 4, 1, 51, 96 ]
75
[ "4*1=4", "96/4=24", "51+24=75" ]
Current State: 75:[4, 1, 51, 96], Operations: [] Exploring Operation: 4*1=4, Resulting Numbers: [51, 96, 4] Generated Node #2: [51, 96, 4] from Operation: 4*1=4 Current State: 75:[51, 96, 4], Operations: ['4*1=4'] Exploring Operation: 96/4=24, Resulting Numbers: [51, 24] Generated Node #3: [51, 24] from Operation: 96/4=24 Current State: 75:[51, 24], Operations: ['4*1=4', '96/4=24'] Exploring Operation: 51+24=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[4, 1, 51, 96], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [1, 51, 24] Generated Node #0,0: 75:[1, 51, 24] Operation: 96/4=24 Exploring Operation: 4+51=55, Resulting Numbers: [1, 96, 55] Generated Node #0,1: 75:[1, 96, 55] Operation: 4+51=55 Exploring Operation: 96-51=45, Resulting Numbers: [4, 1, 45] Generated Node #0,2: 75:[4, 1, 45] Operation: 96-51=45 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[4, 1, 45], Operations: ['96-51=45'] Exploring Operation: 45-4=41, Resulting Numbers: [1, 41] Generated Node #0,2,0: 75:[1, 41] Operation: 45-4=41 Exploring Operation: 4-1=3, Resulting Numbers: [45, 3] Generated Node #0,2,1: 75:[45, 3] Operation: 4-1=3 Exploring Operation: 4+1=5, Resulting Numbers: [45, 5] Generated Node #0,2,2: 75:[45, 5] Operation: 4+1=5 Moving to Node #0,2,0 Current State: 75:[1, 41], Operations: ['96-51=45', '45-4=41'] Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,75 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,75 unequal: No Solution Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[45, 3], Operations: ['96-51=45', '4-1=3'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 45+3=48, Resulting Numbers: [48] 48,75 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[45, 5], Operations: ['96-51=45', '4+1=5'] Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,75 unequal: No Solution Exploring Operation: 45/5=9, Resulting Numbers: [9] 9,75 unequal: No Solution Exploring Operation: 45+5=50, Resulting Numbers: [50] 50,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[1, 51, 24], Operations: ['96/4=24'] Exploring Operation: 51+24=75, Resulting Numbers: [1, 75] Generated Node #0,0,0: 75:[1, 75] Operation: 51+24=75 Exploring Operation: 51-24=27, Resulting Numbers: [1, 27] Generated Node #0,0,1: 75:[1, 27] Operation: 51-24=27 Exploring Operation: 1+51=52, Resulting Numbers: [24, 52] Generated Node #0,0,2: 75:[24, 52] Operation: 1+51=52 Moving to Node #0,0,0 Current State: 75:[1, 75], Operations: ['96/4=24', '51+24=75'] Exploring Operation: 1+75=76, Resulting Numbers: [76] 76,75 unequal: No Solution Exploring Operation: 75/1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[4, 1, 51, 96], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [1, 51, 24] Generated Node #0,0: 75:[1, 51, 24] Operation: 96/4=24 Moving to Node #0,0 Current State: 75:[1, 51, 24], Operations: ['96/4=24'] Exploring Operation: 51+24=75, Resulting Numbers: [1, 75] Generated Node #0,0,0: 75:[1, 75] Operation: 51+24=75 Moving to Node #0,0,0 Current State: 75:[1, 75], Operations: ['96/4=24', '51+24=75'] Exploring Operation: 75/1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 51, 50, 90, 41 ]
41
[ "51-41=10", "90/10=9", "50-9=41" ]
Current State: 41:[51, 50, 90, 41], Operations: [] Exploring Operation: 51-41=10, Resulting Numbers: [50, 90, 10] Generated Node #2: [50, 90, 10] from Operation: 51-41=10 Current State: 41:[50, 90, 10], Operations: ['51-41=10'] Exploring Operation: 90/10=9, Resulting Numbers: [50, 9] Generated Node #3: [50, 9] from Operation: 90/10=9 Current State: 41:[50, 9], Operations: ['51-41=10', '90/10=9'] Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[51, 50, 90, 41], Operations: [] Exploring Operation: 90-51=39, Resulting Numbers: [50, 41, 39] Generated Node #0,0: 41:[50, 41, 39] Operation: 90-51=39 Exploring Operation: 90-50=40, Resulting Numbers: [51, 41, 40] Generated Node #0,1: 41:[51, 41, 40] Operation: 90-50=40 Exploring Operation: 90-41=49, Resulting Numbers: [51, 50, 49] Generated Node #0,2: 41:[51, 50, 49] Operation: 90-41=49 Moving to Node #0,0 Current State: 41:[50, 41, 39], Operations: ['90-51=39'] Exploring Operation: 50+39=89, Resulting Numbers: [41, 89] Generated Node #0,0,0: 41:[41, 89] Operation: 50+39=89 Exploring Operation: 50-41=9, Resulting Numbers: [39, 9] Generated Node #0,0,1: 41:[39, 9] Operation: 50-41=9 Exploring Operation: 50-39=11, Resulting Numbers: [41, 11] Generated Node #0,0,2: 41:[41, 11] Operation: 50-39=11 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[41, 11], Operations: ['90-51=39', '50-39=11'] Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,41 unequal: No Solution Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,41 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:[39, 9], Operations: ['90-51=39', '50-41=9'] Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,41 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,41 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,41 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:[41, 89], Operations: ['90-51=39', '50+39=89'] Exploring Operation: 41+89=130, Resulting Numbers: [130] 130,41 unequal: No Solution Exploring Operation: 41*89=3649, Resulting Numbers: [3649] 3649,41 unequal: No Solution Exploring Operation: 89-41=48, Resulting Numbers: [48] 48,41 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: 41:[51, 41, 40], Operations: ['90-50=40'] Exploring Operation: 51+40=91, Resulting Numbers: [41, 91] Generated Node #0,1,0: 41:[41, 91] Operation: 51+40=91 Exploring Operation: 51-41=10, Resulting Numbers: [40, 10] Generated Node #0,1,1: 41:[40, 10] Operation: 51-41=10 Exploring Operation: 51-40=11, Resulting Numbers: [41, 11] Generated Node #0,1,2: 41:[41, 11] Operation: 51-40=11 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[41, 11], Operations: ['90-50=40', '51-40=11'] Exploring Operation: 41*11=451, Resulting Numbers: [451] 451,41 unequal: No Solution Exploring Operation: 41+11=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 41-11=30, Resulting Numbers: [30] 30,41 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:[40, 10], Operations: ['90-50=40', '51-41=10'] Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,41 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 40+10=50, Resulting Numbers: [50] 50,41 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 #0,1,0 Current State: 41:[41, 91], Operations: ['90-50=40', '51+40=91'] Exploring Operation: 41+91=132, Resulting Numbers: [132] 132,41 unequal: No Solution Exploring Operation: 91-41=50, Resulting Numbers: [50] 50,41 unequal: No Solution Exploring Operation: 41*91=3731, Resulting Numbers: [3731] 3731,41 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:[51, 50, 49], Operations: ['90-41=49'] Exploring Operation: 50-49=1, Resulting Numbers: [51, 1] Generated Node #0,2,0: 41:[51, 1] Operation: 50-49=1 Exploring Operation: 51-49=2, Resulting Numbers: [50, 2] Generated Node #0,2,1: 41:[50, 2] Operation: 51-49=2 Exploring Operation: 51-50=1, Resulting Numbers: [49, 1] Generated Node #0,2,2: 41:[49, 1] Operation: 51-50=1 Moving to Node #0,2,1 Current State: 41:[50, 2], Operations: ['90-41=49', '51-49=2'] Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,41 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,41 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[49, 1], Operations: ['90-41=49', '51-50=1'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,41 unequal: No Solution Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,41 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[51, 1], Operations: ['90-41=49', '50-49=1'] Exploring Operation: 51*1=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 51-1=50, Resulting Numbers: [50] 50,41 unequal: No Solution Exploring Operation: 51/1=51, Resulting Numbers: [51] 51,41 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 7, 43, 23, 86 ]
53
[ "86/43=2", "23*2=46", "7+46=53" ]
Current State: 53:[7, 43, 23, 86], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [7, 23, 2] Generated Node #2: [7, 23, 2] from Operation: 86/43=2 Current State: 53:[7, 23, 2], Operations: ['86/43=2'] Exploring Operation: 23*2=46, Resulting Numbers: [7, 46] Generated Node #3: [7, 46] from Operation: 23*2=46 Current State: 53:[7, 46], Operations: ['86/43=2', '23*2=46'] Exploring Operation: 7+46=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[7, 43, 23, 86], Operations: [] Exploring Operation: 7+23=30, Resulting Numbers: [43, 86, 30] Generated Node #0,0: 53:[43, 86, 30] Operation: 7+23=30 Exploring Operation: 86-7=79, Resulting Numbers: [43, 23, 79] Generated Node #0,1: 53:[43, 23, 79] Operation: 86-7=79 Exploring Operation: 7+43=50, Resulting Numbers: [23, 86, 50] Generated Node #0,2: 53:[23, 86, 50] Operation: 7+43=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[43, 86, 30], Operations: ['7+23=30'] Exploring Operation: 86-30=56, Resulting Numbers: [43, 56] Generated Node #0,0,0: 53:[43, 56] Operation: 86-30=56 Exploring Operation: 86-43=43, Resulting Numbers: [30, 43] Generated Node #0,0,1: 53:[30, 43] Operation: 86-43=43 Exploring Operation: 43+30=73, Resulting Numbers: [86, 73] Generated Node #0,0,2: 53:[86, 73] Operation: 43+30=73 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[43, 56], Operations: ['7+23=30', '86-30=56'] Exploring Operation: 56-43=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 43*56=2408, Resulting Numbers: [2408] 2408,53 unequal: No Solution Exploring Operation: 43+56=99, Resulting Numbers: [99] 99,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[30, 43], Operations: ['7+23=30', '86-43=43'] Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 30*43=1290, Resulting Numbers: [1290] 1290,53 unequal: No Solution Exploring Operation: 30+43=73, Resulting Numbers: [73] 73,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 53:[86, 73], Operations: ['7+23=30', '43+30=73'] Exploring Operation: 86-73=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 86*73=6278, Resulting Numbers: [6278] 6278,53 unequal: No Solution Exploring Operation: 86+73=159, Resulting Numbers: [159] 159,53 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: 53:[43, 23, 79], Operations: ['86-7=79'] Exploring Operation: 79-23=56, Resulting Numbers: [43, 56] Generated Node #0,1,0: 53:[43, 56] Operation: 79-23=56 Exploring Operation: 79-43=36, Resulting Numbers: [23, 36] Generated Node #0,1,1: 53:[23, 36] Operation: 79-43=36 Exploring Operation: 43+23=66, Resulting Numbers: [79, 66] Generated Node #0,1,2: 53:[79, 66] Operation: 43+23=66 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[43, 56], Operations: ['86-7=79', '79-23=56'] Exploring Operation: 43+56=99, Resulting Numbers: [99] 99,53 unequal: No Solution Exploring Operation: 56-43=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 43*56=2408, Resulting Numbers: [2408] 2408,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 53:[79, 66], Operations: ['86-7=79', '43+23=66'] Exploring Operation: 79+66=145, Resulting Numbers: [145] 145,53 unequal: No Solution Exploring Operation: 79-66=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 79*66=5214, Resulting Numbers: [5214] 5214,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[23, 36], Operations: ['86-7=79', '79-43=36'] Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,53 unequal: No Solution Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,53 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: 53:[23, 86, 50], Operations: ['7+43=50'] Exploring Operation: 23+50=73, Resulting Numbers: [86, 73] Generated Node #0,2,0: 53:[86, 73] Operation: 23+50=73 Exploring Operation: 86-23=63, Resulting Numbers: [50, 63] Generated Node #0,2,1: 53:[50, 63] Operation: 86-23=63 Exploring Operation: 86-50=36, Resulting Numbers: [23, 36] Generated Node #0,2,2: 53:[23, 36] Operation: 86-50=36 Moving to Node #0,2,1 Current State: 53:[50, 63], Operations: ['7+43=50', '86-23=63'] Exploring Operation: 50+63=113, Resulting Numbers: [113] 113,53 unequal: No Solution Exploring Operation: 63-50=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 50*63=3150, Resulting Numbers: [3150] 3150,53 unequal: No Solution Moving to Node #0,2,2 Current State: 53:[23, 36], Operations: ['7+43=50', '86-50=36'] Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,53 unequal: No Solution Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,53 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[86, 73], Operations: ['7+43=50', '23+50=73'] Exploring Operation: 86+73=159, Resulting Numbers: [159] 159,53 unequal: No Solution Exploring Operation: 86-73=13, Resulting Numbers: [13] 13,53 unequal: No Solution Exploring Operation: 86*73=6278, Resulting Numbers: [6278] 6278,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 32, 14, 20, 15 ]
38
[ "32*15=480", "480/20=24", "14+24=38" ]
Current State: 38:[32, 14, 20, 15], Operations: [] Exploring Operation: 32*15=480, Resulting Numbers: [14, 20, 480] Generated Node #2: [14, 20, 480] from Operation: 32*15=480 Current State: 38:[14, 20, 480], Operations: ['32*15=480'] Exploring Operation: 480/20=24, Resulting Numbers: [14, 24] Generated Node #3: [14, 24] from Operation: 480/20=24 Current State: 38:[14, 24], Operations: ['32*15=480', '480/20=24'] Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[32, 14, 20, 15], Operations: [] Exploring Operation: 32-14=18, Resulting Numbers: [20, 15, 18] Generated Node #0,0: 38:[20, 15, 18] Operation: 32-14=18 Exploring Operation: 32-15=17, Resulting Numbers: [14, 20, 17] Generated Node #0,1: 38:[14, 20, 17] Operation: 32-15=17 Moving to Node #0,0 Current State: 38:[20, 15, 18], Operations: ['32-14=18'] Exploring Operation: 18-15=3, Resulting Numbers: [20, 3] Generated Node #0,0,0: 38:[20, 3] Operation: 18-15=3 Exploring Operation: 20+15=35, Resulting Numbers: [18, 35] Generated Node #0,0,1: 38:[18, 35] Operation: 20+15=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 38:[20, 3], Operations: ['32-14=18', '18-15=3'] Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 38:[18, 35], Operations: ['32-14=18', '20+15=35'] Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 18+35=53, Resulting Numbers: [53] 53,38 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: 38:[14, 20, 17], Operations: ['32-15=17'] Exploring Operation: 14+20=34, Resulting Numbers: [17, 34] Generated Node #0,1,0: 38:[17, 34] Operation: 14+20=34 Exploring Operation: 17-14=3, Resulting Numbers: [20, 3] Generated Node #0,1,1: 38:[20, 3] Operation: 17-14=3 Moving to Node #0,1,1 Current State: 38:[20, 3], Operations: ['32-15=17', '17-14=3'] Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,38 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[17, 34], Operations: ['32-15=17', '14+20=34'] Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,38 unequal: No Solution Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,38 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 88, 50, 5, 11 ]
22
[ "88-50=38", "5+11=16", "38-16=22" ]
Current State: 22:[88, 50, 5, 11], Operations: [] Exploring Operation: 88-50=38, Resulting Numbers: [5, 11, 38] Generated Node #2: [5, 11, 38] from Operation: 88-50=38 Current State: 22:[5, 11, 38], Operations: ['88-50=38'] Exploring Operation: 5+11=16, Resulting Numbers: [38, 16] Generated Node #3: [38, 16] from Operation: 5+11=16 Current State: 22:[38, 16], Operations: ['88-50=38', '5+11=16'] Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[88, 50, 5, 11], Operations: [] Exploring Operation: 88/11=8, Resulting Numbers: [50, 5, 8] Generated Node #0,0: 22:[50, 5, 8] Operation: 88/11=8 Exploring Operation: 88-50=38, Resulting Numbers: [5, 11, 38] Generated Node #0,1: 22:[5, 11, 38] Operation: 88-50=38 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[5, 11, 38], Operations: ['88-50=38'] Exploring Operation: 38-11=27, Resulting Numbers: [5, 27] Generated Node #0,1,0: 22:[5, 27] Operation: 38-11=27 Exploring Operation: 38-5=33, Resulting Numbers: [11, 33] Generated Node #0,1,1: 22:[11, 33] Operation: 38-5=33 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 22:[5, 27], Operations: ['88-50=38', '38-11=27'] Exploring Operation: 5+27=32, Resulting Numbers: [32] 32,22 unequal: No Solution Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[88, 50, 5, 11], Operations: [] Exploring Operation: 88-50=38, Resulting Numbers: [5, 11, 38] Generated Node #0,1: 22:[5, 11, 38] Operation: 88-50=38 Moving to Node #0,1 Current State: 22:[5, 11, 38], Operations: ['88-50=38'] Exploring Operation: 38-11=27, Resulting Numbers: [5, 27] Generated Node #0,1,0: 22:[5, 27] Operation: 38-11=27 Moving to Node #0,1,0 Current State: 22:[5, 27], Operations: ['88-50=38', '38-11=27'] Exploring Operation: 27-5=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 11, 67, 49, 40 ]
33
[ "67-11=56", "49+40=89", "89-56=33" ]
Current State: 33:[11, 67, 49, 40], Operations: [] Exploring Operation: 67-11=56, Resulting Numbers: [49, 40, 56] Generated Node #2: [49, 40, 56] from Operation: 67-11=56 Current State: 33:[49, 40, 56], Operations: ['67-11=56'] Exploring Operation: 49+40=89, Resulting Numbers: [56, 89] Generated Node #3: [56, 89] from Operation: 49+40=89 Current State: 33:[56, 89], Operations: ['67-11=56', '49+40=89'] Exploring Operation: 89-56=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[11, 67, 49, 40], Operations: [] Exploring Operation: 67-11=56, Resulting Numbers: [49, 40, 56] Generated Node #0,0: 33:[49, 40, 56] Operation: 67-11=56 Exploring Operation: 49-11=38, Resulting Numbers: [67, 40, 38] Generated Node #0,1: 33:[67, 40, 38] Operation: 49-11=38 Exploring Operation: 67-40=27, Resulting Numbers: [11, 49, 27] Generated Node #0,2: 33:[11, 49, 27] Operation: 67-40=27 Exploring Operation: 49-40=9, Resulting Numbers: [11, 67, 9] Generated Node #0,3: 33:[11, 67, 9] Operation: 49-40=9 Exploring Operation: 67-49=18, Resulting Numbers: [11, 40, 18] Generated Node #0,4: 33:[11, 40, 18] Operation: 67-49=18 Start Sub Search at level 1: Moving to Node #0,4 Current State: 33:[11, 40, 18], Operations: ['67-49=18'] Exploring Operation: 11+40=51, Resulting Numbers: [18, 51] Generated Node #0,4,0: 33:[18, 51] Operation: 11+40=51 Exploring Operation: 40-18=22, Resulting Numbers: [11, 22] Generated Node #0,4,1: 33:[11, 22] Operation: 40-18=22 Exploring Operation: 11+18=29, Resulting Numbers: [40, 29] Generated Node #0,4,2: 33:[40, 29] Operation: 11+18=29 Exploring Operation: 18-11=7, Resulting Numbers: [40, 7] Generated Node #0,4,3: 33:[40, 7] Operation: 18-11=7 Exploring Operation: 40-11=29, Resulting Numbers: [18, 29] Generated Node #0,4,4: 33:[18, 29] Operation: 40-11=29 Moving to Node #0,4,1 Current State: 33:[11, 22], Operations: ['67-49=18', '40-18=22'] Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[11, 67, 49, 40], Operations: [] Exploring Operation: 67-49=18, Resulting Numbers: [11, 40, 18] Generated Node #0,4: 33:[11, 40, 18] Operation: 67-49=18 Moving to Node #0,4 Current State: 33:[11, 40, 18], Operations: ['67-49=18'] Exploring Operation: 40-18=22, Resulting Numbers: [11, 22] Generated Node #0,4,1: 33:[11, 22] Operation: 40-18=22 Moving to Node #0,4,1 Current State: 33:[11, 22], Operations: ['67-49=18', '40-18=22'] Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 5, 85, 14, 69 ]
10
[ "85-14=71", "71-69=2", "5*2=10" ]
Current State: 10:[5, 85, 14, 69], Operations: [] Exploring Operation: 85-14=71, Resulting Numbers: [5, 69, 71] Generated Node #2: [5, 69, 71] from Operation: 85-14=71 Current State: 10:[5, 69, 71], Operations: ['85-14=71'] Exploring Operation: 71-69=2, Resulting Numbers: [5, 2] Generated Node #3: [5, 2] from Operation: 71-69=2 Current State: 10:[5, 2], Operations: ['85-14=71', '71-69=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[5, 85, 14, 69], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [14, 69, 17] Generated Node #0,0: 10:[14, 69, 17] Operation: 85/5=17 Exploring Operation: 85-69=16, Resulting Numbers: [5, 14, 16] Generated Node #0,1: 10:[5, 14, 16] Operation: 85-69=16 Exploring Operation: 85-14=71, Resulting Numbers: [5, 69, 71] Generated Node #0,2: 10:[5, 69, 71] Operation: 85-14=71 Moving to Node #0,1 Current State: 10:[5, 14, 16], Operations: ['85-69=16'] Exploring Operation: 16-14=2, Resulting Numbers: [5, 2] Generated Node #0,1,0: 10:[5, 2] Operation: 16-14=2 Exploring Operation: 16-5=11, Resulting Numbers: [14, 11] Generated Node #0,1,1: 10:[14, 11] Operation: 16-5=11 Exploring Operation: 14-5=9, Resulting Numbers: [16, 9] Generated Node #0,1,2: 10:[16, 9] Operation: 14-5=9 Moving to Node #0,0 Current State: 10:[14, 69, 17], Operations: ['85/5=17'] Exploring Operation: 69-14=55, Resulting Numbers: [17, 55] Generated Node #0,0,0: 10:[17, 55] Operation: 69-14=55 Exploring Operation: 69-17=52, Resulting Numbers: [14, 52] Generated Node #0,0,1: 10:[14, 52] Operation: 69-17=52 Exploring Operation: 17-14=3, Resulting Numbers: [69, 3] Generated Node #0,0,2: 10:[69, 3] Operation: 17-14=3 Moving to Node #0,2 Current State: 10:[5, 69, 71], Operations: ['85-14=71'] Exploring Operation: 71-5=66, Resulting Numbers: [69, 66] Generated Node #0,2,0: 10:[69, 66] Operation: 71-5=66 Exploring Operation: 71-69=2, Resulting Numbers: [5, 2] Generated Node #0,2,1: 10:[5, 2] Operation: 71-69=2 Exploring Operation: 69-5=64, Resulting Numbers: [71, 64] Generated Node #0,2,2: 10:[71, 64] Operation: 69-5=64 Moving to Node #0,1,0 Current State: 10:[5, 2], Operations: ['85-69=16', '16-14=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[5, 85, 14, 69], Operations: [] Exploring Operation: 85-69=16, Resulting Numbers: [5, 14, 16] Generated Node #0,1: 10:[5, 14, 16] Operation: 85-69=16 Moving to Node #0,1 Current State: 10:[5, 14, 16], Operations: ['85-69=16'] Exploring Operation: 16-14=2, Resulting Numbers: [5, 2] Generated Node #0,1,0: 10:[5, 2] Operation: 16-14=2 Moving to Node #0,1,0 Current State: 10:[5, 2], Operations: ['85-69=16', '16-14=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.984375
hs_3
sum_heuristic
[ 54, 87, 46, 27 ]
43
[ "54/27=2", "87-46=41", "2+41=43" ]
Current State: 43:[54, 87, 46, 27], Operations: [] Exploring Operation: 54/27=2, Resulting Numbers: [87, 46, 2] Generated Node #2: [87, 46, 2] from Operation: 54/27=2 Current State: 43:[87, 46, 2], Operations: ['54/27=2'] Exploring Operation: 87-46=41, Resulting Numbers: [2, 41] Generated Node #3: [2, 41] from Operation: 87-46=41 Current State: 43:[2, 41], Operations: ['54/27=2', '87-46=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[54, 87, 46, 27], Operations: [] Exploring Operation: 87-46=41, Resulting Numbers: [54, 27, 41] Generated Node #0,0: 43:[54, 27, 41] Operation: 87-46=41 Exploring Operation: 87-54=33, Resulting Numbers: [46, 27, 33] Generated Node #0,1: 43:[46, 27, 33] Operation: 87-54=33 Exploring Operation: 87-27=60, Resulting Numbers: [54, 46, 60] Generated Node #0,2: 43:[54, 46, 60] Operation: 87-27=60 Moving to Node #0,0 Current State: 43:[54, 27, 41], Operations: ['87-46=41'] Exploring Operation: 54-27=27, Resulting Numbers: [41, 27] Generated Node #0,0,0: 43:[41, 27] Operation: 54-27=27 Exploring Operation: 27+41=68, Resulting Numbers: [54, 68] Generated Node #0,0,1: 43:[54, 68] Operation: 27+41=68 Exploring Operation: 54+27=81, Resulting Numbers: [41, 81] Generated Node #0,0,2: 43:[41, 81] Operation: 54+27=81 Moving to Node #0,1 Current State: 43:[46, 27, 33], Operations: ['87-54=33'] Exploring Operation: 46+27=73, Resulting Numbers: [33, 73] Generated Node #0,1,0: 43:[33, 73] Operation: 46+27=73 Exploring Operation: 46-27=19, Resulting Numbers: [33, 19] Generated Node #0,1,1: 43:[33, 19] Operation: 46-27=19 Exploring Operation: 27+33=60, Resulting Numbers: [46, 60] Generated Node #0,1,2: 43:[46, 60] Operation: 27+33=60 Moving to Node #0,2 Current State: 43:[54, 46, 60], Operations: ['87-27=60'] Exploring Operation: 60-46=14, Resulting Numbers: [54, 14] Generated Node #0,2,0: 43:[54, 14] Operation: 60-46=14 Exploring Operation: 54-46=8, Resulting Numbers: [60, 8] Generated Node #0,2,1: 43:[60, 8] Operation: 54-46=8 Exploring Operation: 60-54=6, Resulting Numbers: [46, 6] Generated Node #0,2,2: 43:[46, 6] Operation: 60-54=6 Moving to Node #0,0,0 Current State: 43:[41, 27], Operations: ['87-46=41', '54-27=27'] Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 41*27=1107, Resulting Numbers: [1107] 1107,43 unequal: No Solution Exploring Operation: 41+27=68, Resulting Numbers: [68] 68,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[46, 60], Operations: ['87-54=33', '27+33=60'] Exploring Operation: 46+60=106, Resulting Numbers: [106] 106,43 unequal: No Solution Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 46*60=2760, Resulting Numbers: [2760] 2760,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[33, 19], Operations: ['87-54=33', '46-27=19'] Exploring Operation: 33+19=52, Resulting Numbers: [52] 52,43 unequal: No Solution Exploring Operation: 33-19=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 33*19=627, Resulting Numbers: [627] 627,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[54, 68], Operations: ['87-46=41', '27+41=68'] Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,43 unequal: No Solution Exploring Operation: 54+68=122, Resulting Numbers: [122] 122,43 unequal: No Solution Exploring Operation: 54*68=3672, Resulting Numbers: [3672] 3672,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[41, 81], Operations: ['87-46=41', '54+27=81'] Exploring Operation: 81-41=40, Resulting Numbers: [40] 40,43 unequal: No Solution Exploring Operation: 41*81=3321, Resulting Numbers: [3321] 3321,43 unequal: No Solution Exploring Operation: 41+81=122, Resulting Numbers: [122] 122,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[33, 73], Operations: ['87-54=33', '46+27=73'] Exploring Operation: 73-33=40, Resulting Numbers: [40] 40,43 unequal: No Solution Exploring Operation: 33*73=2409, Resulting Numbers: [2409] 2409,43 unequal: No Solution Exploring Operation: 33+73=106, Resulting Numbers: [106] 106,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[46, 6], Operations: ['87-27=60', '60-54=6'] Exploring Operation: 46*6=276, Resulting Numbers: [276] 276,43 unequal: No Solution Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,43 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[54, 14], Operations: ['87-27=60', '60-46=14'] Exploring Operation: 54*14=756, Resulting Numbers: [756] 756,43 unequal: No Solution Exploring Operation: 54+14=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,43 unequal: No Solution Moving to Node #0,2,1 Current State: 43:[60, 8], Operations: ['87-27=60', '54-46=8'] Exploring Operation: 60*8=480, Resulting Numbers: [480] 480,43 unequal: No Solution Exploring Operation: 60+8=68, Resulting Numbers: [68] 68,43 unequal: No Solution Exploring Operation: 60-8=52, Resulting Numbers: [52] 52,43 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 68, 49, 90, 55 ]
83
[ "55-49=6", "90/6=15", "68+15=83" ]
Current State: 83:[68, 49, 90, 55], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [68, 90, 6] Generated Node #2: [68, 90, 6] from Operation: 55-49=6 Current State: 83:[68, 90, 6], Operations: ['55-49=6'] Exploring Operation: 90/6=15, Resulting Numbers: [68, 15] Generated Node #3: [68, 15] from Operation: 90/6=15 Current State: 83:[68, 15], Operations: ['55-49=6', '90/6=15'] Exploring Operation: 68+15=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[68, 49, 90, 55], Operations: [] Exploring Operation: 90-49=41, Resulting Numbers: [68, 55, 41] Generated Node #0,0: 83:[68, 55, 41] Operation: 90-49=41 Exploring Operation: 68+55=123, Resulting Numbers: [49, 90, 123] Generated Node #0,1: 83:[49, 90, 123] Operation: 68+55=123 Exploring Operation: 68+49=117, Resulting Numbers: [90, 55, 117] Generated Node #0,2: 83:[90, 55, 117] Operation: 68+49=117 Exploring Operation: 90-55=35, Resulting Numbers: [68, 49, 35] Generated Node #0,3: 83:[68, 49, 35] Operation: 90-55=35 Exploring Operation: 49+55=104, Resulting Numbers: [68, 90, 104] Generated Node #0,4: 83:[68, 90, 104] Operation: 49+55=104 Moving to Node #0,4 Current State: 83:[68, 90, 104], Operations: ['49+55=104'] Exploring Operation: 68+90=158, Resulting Numbers: [104, 158] Generated Node #0,4,0: 83:[104, 158] Operation: 68+90=158 Exploring Operation: 90-68=22, Resulting Numbers: [104, 22] Generated Node #0,4,1: 83:[104, 22] Operation: 90-68=22 Exploring Operation: 104-68=36, Resulting Numbers: [90, 36] Generated Node #0,4,2: 83:[90, 36] Operation: 104-68=36 Exploring Operation: 68+104=172, Resulting Numbers: [90, 172] Generated Node #0,4,3: 83:[90, 172] Operation: 68+104=172 Exploring Operation: 104-90=14, Resulting Numbers: [68, 14] Generated Node #0,4,4: 83:[68, 14] Operation: 104-90=14 Moving to Node #0,2 Current State: 83:[90, 55, 117], Operations: ['68+49=117'] Exploring Operation: 90-55=35, Resulting Numbers: [117, 35] Generated Node #0,2,0: 83:[117, 35] Operation: 90-55=35 Exploring Operation: 55+117=172, Resulting Numbers: [90, 172] Generated Node #0,2,1: 83:[90, 172] Operation: 55+117=172 Exploring Operation: 117-55=62, Resulting Numbers: [90, 62] Generated Node #0,2,2: 83:[90, 62] Operation: 117-55=62 Exploring Operation: 90+55=145, Resulting Numbers: [117, 145] Generated Node #0,2,3: 83:[117, 145] Operation: 90+55=145 Exploring Operation: 117-90=27, Resulting Numbers: [55, 27] Generated Node #0,2,4: 83:[55, 27] Operation: 117-90=27 Moving to Node #0,1 Current State: 83:[49, 90, 123], Operations: ['68+55=123'] Exploring Operation: 49+90=139, Resulting Numbers: [123, 139] Generated Node #0,1,0: 83:[123, 139] Operation: 49+90=139 Exploring Operation: 123-90=33, Resulting Numbers: [49, 33] Generated Node #0,1,1: 83:[49, 33] Operation: 123-90=33 Exploring Operation: 90-49=41, Resulting Numbers: [123, 41] Generated Node #0,1,2: 83:[123, 41] Operation: 90-49=41 Exploring Operation: 123-49=74, Resulting Numbers: [90, 74] Generated Node #0,1,3: 83:[90, 74] Operation: 123-49=74 Exploring Operation: 49+123=172, Resulting Numbers: [90, 172] Generated Node #0,1,4: 83:[90, 172] Operation: 49+123=172 Moving to Node #0,0 Current State: 83:[68, 55, 41], Operations: ['90-49=41'] Exploring Operation: 55-41=14, Resulting Numbers: [68, 14] Generated Node #0,0,0: 83:[68, 14] Operation: 55-41=14 Exploring Operation: 55+41=96, Resulting Numbers: [68, 96] Generated Node #0,0,1: 83:[68, 96] Operation: 55+41=96 Exploring Operation: 68-41=27, Resulting Numbers: [55, 27] Generated Node #0,0,2: 83:[55, 27] Operation: 68-41=27 Exploring Operation: 68+55=123, Resulting Numbers: [41, 123] Generated Node #0,0,3: 83:[41, 123] Operation: 68+55=123 Exploring Operation: 68+41=109, Resulting Numbers: [55, 109] Generated Node #0,0,4: 83:[55, 109] Operation: 68+41=109 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[68, 96], Operations: ['90-49=41', '55+41=96'] Exploring Operation: 96-68=28, Resulting Numbers: [28] 28,83 unequal: No Solution Exploring Operation: 68+96=164, Resulting Numbers: [164] 164,83 unequal: No Solution Exploring Operation: 68*96=6528, Resulting Numbers: [6528] 6528,83 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 #0,0,4 Current State: 83:[55, 109], Operations: ['90-49=41', '68+41=109'] Exploring Operation: 109-55=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 55*109=5995, Resulting Numbers: [5995] 5995,83 unequal: No Solution Exploring Operation: 55+109=164, Resulting Numbers: [164] 164,83 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 #0,0,3 Current State: 83:[41, 123], Operations: ['90-49=41', '68+55=123'] Exploring Operation: 123-41=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 41+123=164, Resulting Numbers: [164] 164,83 unequal: No Solution Exploring Operation: 123/41=3, Resulting Numbers: [3] 3,83 unequal: No Solution Exploring Operation: 41*123=5043, Resulting Numbers: [5043] 5043,83 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 #0,0,0 Current State: 83:[68, 14], Operations: ['90-49=41', '55-41=14'] Exploring Operation: 68*14=952, Resulting Numbers: [952] 952,83 unequal: No Solution Exploring Operation: 68+14=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 68-14=54, Resulting Numbers: [54] 54,83 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 #0,0,2 Current State: 83:[55, 27], Operations: ['90-49=41', '68-41=27'] Exploring Operation: 55*27=1485, Resulting Numbers: [1485] 1485,83 unequal: No Solution Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,83 unequal: No Solution Exploring Operation: 55+27=82, Resulting Numbers: [82] 82,83 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: 83:[68, 49, 35], Operations: ['90-55=35'] Exploring Operation: 68+35=103, Resulting Numbers: [49, 103] Generated Node #0,3,0: 83:[49, 103] Operation: 68+35=103 Exploring Operation: 68-35=33, Resulting Numbers: [49, 33] Generated Node #0,3,1: 83:[49, 33] Operation: 68-35=33 Exploring Operation: 68+49=117, Resulting Numbers: [35, 117] Generated Node #0,3,2: 83:[35, 117] Operation: 68+49=117 Exploring Operation: 49+35=84, Resulting Numbers: [68, 84] Generated Node #0,3,3: 83:[68, 84] Operation: 49+35=84 Exploring Operation: 49-35=14, Resulting Numbers: [68, 14] Generated Node #0,3,4: 83:[68, 14] Operation: 49-35=14 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 83:[68, 84], Operations: ['90-55=35', '49+35=84'] Exploring Operation: 84-68=16, Resulting Numbers: [16] 16,83 unequal: No Solution Exploring Operation: 68+84=152, Resulting Numbers: [152] 152,83 unequal: No Solution Exploring Operation: 68*84=5712, Resulting Numbers: [5712] 5712,83 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 #0,3,0 Current State: 83:[49, 103], Operations: ['90-55=35', '68+35=103'] Exploring Operation: 49+103=152, Resulting Numbers: [152] 152,83 unequal: No Solution Exploring Operation: 103-49=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 49*103=5047, Resulting Numbers: [5047] 5047,83 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 #0,3,2 Current State: 83:[35, 117], Operations: ['90-55=35', '68+49=117'] Exploring Operation: 117-35=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 35*117=4095, Resulting Numbers: [4095] 4095,83 unequal: No Solution Exploring Operation: 35+117=152, Resulting Numbers: [152] 152,83 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 #0,3,1 Current State: 83:[49, 33], Operations: ['90-55=35', '68-35=33'] Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,83 unequal: No Solution Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,83 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 #0,3,4 Current State: 83:[68, 14], Operations: ['90-55=35', '49-35=14'] Exploring Operation: 68+14=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 68*14=952, Resulting Numbers: [952] 952,83 unequal: No Solution Exploring Operation: 68-14=54, Resulting Numbers: [54] 54,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 83:[90, 74], Operations: ['68+55=123', '123-49=74'] Exploring Operation: 90+74=164, Resulting Numbers: [164] 164,83 unequal: No Solution Exploring Operation: 90*74=6660, Resulting Numbers: [6660] 6660,83 unequal: No Solution Exploring Operation: 90-74=16, Resulting Numbers: [16] 16,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[90, 62], Operations: ['68+49=117', '117-55=62'] Exploring Operation: 90*62=5580, Resulting Numbers: [5580] 5580,83 unequal: No Solution Exploring Operation: 90+62=152, Resulting Numbers: [152] 152,83 unequal: No Solution Exploring Operation: 90-62=28, Resulting Numbers: [28] 28,83 unequal: No Solution Moving to Node #0,4,2 Current State: 83:[90, 36], Operations: ['49+55=104', '104-68=36'] Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 90*36=3240, Resulting Numbers: [3240] 3240,83 unequal: No Solution Exploring Operation: 90+36=126, Resulting Numbers: [126] 126,83 unequal: No Solution Moving to Node #0,2,0 Current State: 83:[117, 35], Operations: ['68+49=117', '90-55=35'] Exploring Operation: 117*35=4095, Resulting Numbers: [4095] 4095,83 unequal: No Solution Exploring Operation: 117+35=152, Resulting Numbers: [152] 152,83 unequal: No Solution Exploring Operation: 117-35=82, Resulting Numbers: [82] 82,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[123, 41], Operations: ['68+55=123', '90-49=41'] Exploring Operation: 123*41=5043, Resulting Numbers: [5043] 5043,83 unequal: No Solution Exploring Operation: 123-41=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 123/41=3, Resulting Numbers: [3] 3,83 unequal: No Solution Exploring Operation: 123+41=164, Resulting Numbers: [164] 164,83 unequal: No Solution Moving to Node #0,4,1 Current State: 83:[104, 22], Operations: ['49+55=104', '90-68=22'] Exploring Operation: 104*22=2288, Resulting Numbers: [2288] 2288,83 unequal: No Solution Exploring Operation: 104-22=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 104+22=126, Resulting Numbers: [126] 126,83 unequal: No Solution Moving to Node #0,4,4 Current State: 83:[68, 14], Operations: ['49+55=104', '104-90=14'] Exploring Operation: 68*14=952, Resulting Numbers: [952] 952,83 unequal: No Solution Exploring Operation: 68-14=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 68+14=82, Resulting Numbers: [82] 82,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[49, 33], Operations: ['68+55=123', '123-90=33'] Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,83 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,83 unequal: No Solution Moving to Node #0,2,4 Current State: 83:[55, 27], Operations: ['68+49=117', '117-90=27'] Exploring Operation: 55+27=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,83 unequal: No Solution Exploring Operation: 55*27=1485, Resulting Numbers: [1485] 1485,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[123, 139], Operations: ['68+55=123', '49+90=139'] Exploring Operation: 123+139=262, Resulting Numbers: [262] 262,83 unequal: No Solution Exploring Operation: 123*139=17097, Resulting Numbers: [17097] 17097,83 unequal: No Solution Exploring Operation: 139-123=16, Resulting Numbers: [16] 16,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[117, 145], Operations: ['68+49=117', '90+55=145'] Exploring Operation: 117+145=262, Resulting Numbers: [262] 262,83 unequal: No Solution Exploring Operation: 117*145=16965, Resulting Numbers: [16965] 16965,83 unequal: No Solution Exploring Operation: 145-117=28, Resulting Numbers: [28] 28,83 unequal: No Solution Moving to Node #0,1,4 Current State: 83:[90, 172], Operations: ['68+55=123', '49+123=172'] Exploring Operation: 90*172=15480, Resulting Numbers: [15480] 15480,83 unequal: No Solution Exploring Operation: 90+172=262, Resulting Numbers: [262] 262,83 unequal: No Solution Exploring Operation: 172-90=82, Resulting Numbers: [82] 82,83 unequal: No Solution Moving to Node #0,4,0 Current State: 83:[104, 158], Operations: ['49+55=104', '68+90=158'] Exploring Operation: 158-104=54, Resulting Numbers: [54] 54,83 unequal: No Solution Exploring Operation: 104*158=16432, Resulting Numbers: [16432] 16432,83 unequal: No Solution Exploring Operation: 104+158=262, Resulting Numbers: [262] 262,83 unequal: No Solution Moving to Node #0,4,3 Current State: 83:[90, 172], Operations: ['49+55=104', '68+104=172'] Exploring Operation: 90*172=15480, Resulting Numbers: [15480] 15480,83 unequal: No Solution Exploring Operation: 172-90=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 90+172=262, Resulting Numbers: [262] 262,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[90, 172], Operations: ['68+49=117', '55+117=172'] Exploring Operation: 90*172=15480, Resulting Numbers: [15480] 15480,83 unequal: No Solution Exploring Operation: 90+172=262, Resulting Numbers: [262] 262,83 unequal: No Solution Exploring Operation: 172-90=82, Resulting Numbers: [82] 82,83 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 68, 31, 65, 13 ]
89
[ "68-31=37", "65-13=52", "37+52=89" ]
Current State: 89:[68, 31, 65, 13], Operations: [] Exploring Operation: 68-31=37, Resulting Numbers: [65, 13, 37] Generated Node #2: [65, 13, 37] from Operation: 68-31=37 Current State: 89:[65, 13, 37], Operations: ['68-31=37'] Exploring Operation: 65-13=52, Resulting Numbers: [37, 52] Generated Node #3: [37, 52] from Operation: 65-13=52 Current State: 89:[37, 52], Operations: ['68-31=37', '65-13=52'] Exploring Operation: 37+52=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[68, 31, 65, 13], Operations: [] Exploring Operation: 68+13=81, Resulting Numbers: [31, 65, 81] Generated Node #0,0: 89:[31, 65, 81] Operation: 68+13=81 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[31, 65, 81], Operations: ['68+13=81'] Exploring Operation: 31+65=96, Resulting Numbers: [81, 96] Generated Node #0,0,0: 89:[81, 96] Operation: 31+65=96 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[81, 96], Operations: ['68+13=81', '31+65=96'] Exploring Operation: 96-81=15, Resulting Numbers: [15] 15,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 51, 4, 99, 32 ]
76
[ "51+4=55", "99+32=131", "131-55=76" ]
Current State: 76:[51, 4, 99, 32], Operations: [] Exploring Operation: 51+4=55, Resulting Numbers: [99, 32, 55] Generated Node #2: [99, 32, 55] from Operation: 51+4=55 Current State: 76:[99, 32, 55], Operations: ['51+4=55'] Exploring Operation: 99+32=131, Resulting Numbers: [55, 131] Generated Node #3: [55, 131] from Operation: 99+32=131 Current State: 76:[55, 131], Operations: ['51+4=55', '99+32=131'] Exploring Operation: 131-55=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[51, 4, 99, 32], Operations: [] Exploring Operation: 99-32=67, Resulting Numbers: [51, 4, 67] Generated Node #0,0: 76:[51, 4, 67] Operation: 99-32=67 Exploring Operation: 99-51=48, Resulting Numbers: [4, 32, 48] Generated Node #0,1: 76:[4, 32, 48] Operation: 99-51=48 Exploring Operation: 51-32=19, Resulting Numbers: [4, 99, 19] Generated Node #0,2: 76:[4, 99, 19] Operation: 51-32=19 Moving to Node #0,1 Current State: 76:[4, 32, 48], Operations: ['99-51=48'] Exploring Operation: 48-32=16, Resulting Numbers: [4, 16] Generated Node #0,1,0: 76:[4, 16] Operation: 48-32=16 Exploring Operation: 32+48=80, Resulting Numbers: [4, 80] Generated Node #0,1,1: 76:[4, 80] Operation: 32+48=80 Exploring Operation: 4+32=36, Resulting Numbers: [48, 36] Generated Node #0,1,2: 76:[48, 36] Operation: 4+32=36 Moving to Node #0,0 Current State: 76:[51, 4, 67], Operations: ['99-32=67'] Exploring Operation: 4+67=71, Resulting Numbers: [51, 71] Generated Node #0,0,0: 76:[51, 71] Operation: 4+67=71 Exploring Operation: 51-4=47, Resulting Numbers: [67, 47] Generated Node #0,0,1: 76:[67, 47] Operation: 51-4=47 Exploring Operation: 67-51=16, Resulting Numbers: [4, 16] Generated Node #0,0,2: 76:[4, 16] Operation: 67-51=16 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 76:[4, 16], Operations: ['99-32=67', '67-51=16'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,76 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,76 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[51, 71], Operations: ['99-32=67', '4+67=71'] Exploring Operation: 51*71=3621, Resulting Numbers: [3621] 3621,76 unequal: No Solution Exploring Operation: 71-51=20, Resulting Numbers: [20] 20,76 unequal: No Solution Exploring Operation: 51+71=122, Resulting Numbers: [122] 122,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 76:[67, 47], Operations: ['99-32=67', '51-4=47'] Exploring Operation: 67*47=3149, Resulting Numbers: [3149] 3149,76 unequal: No Solution Exploring Operation: 67+47=114, Resulting Numbers: [114] 114,76 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 76:[4, 99, 19], Operations: ['51-32=19'] Exploring Operation: 4*19=76, Resulting Numbers: [99, 76] Generated Node #0,2,0: 76:[99, 76] Operation: 4*19=76 Exploring Operation: 99-19=80, Resulting Numbers: [4, 80] Generated Node #0,2,1: 76:[4, 80] Operation: 99-19=80 Exploring Operation: 99-4=95, Resulting Numbers: [19, 95] Generated Node #0,2,2: 76:[19, 95] Operation: 99-4=95 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 76:[4, 80], Operations: ['51-32=19', '99-19=80'] Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,76 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[51, 4, 99, 32], Operations: [] Exploring Operation: 51-32=19, Resulting Numbers: [4, 99, 19] Generated Node #0,2: 76:[4, 99, 19] Operation: 51-32=19 Moving to Node #0,2 Current State: 76:[4, 99, 19], Operations: ['51-32=19'] Exploring Operation: 99-19=80, Resulting Numbers: [4, 80] Generated Node #0,2,1: 76:[4, 80] Operation: 99-19=80 Moving to Node #0,2,1 Current State: 76:[4, 80], Operations: ['51-32=19', '99-19=80'] Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 49, 9, 92, 80 ]
52
[ "49-9=40", "92-80=12", "40+12=52" ]
Current State: 52:[49, 9, 92, 80], Operations: [] Exploring Operation: 49-9=40, Resulting Numbers: [92, 80, 40] Generated Node #2: [92, 80, 40] from Operation: 49-9=40 Current State: 52:[92, 80, 40], Operations: ['49-9=40'] Exploring Operation: 92-80=12, Resulting Numbers: [40, 12] Generated Node #3: [40, 12] from Operation: 92-80=12 Current State: 52:[40, 12], Operations: ['49-9=40', '92-80=12'] Exploring Operation: 40+12=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[49, 9, 92, 80], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [49, 9, 12] Generated Node #0,0: 52:[49, 9, 12] Operation: 92-80=12 Moving to Node #0,0 Current State: 52:[49, 9, 12], Operations: ['92-80=12'] Exploring Operation: 12-9=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 52:[49, 3] Operation: 12-9=3 Moving to Node #0,0,0 Current State: 52:[49, 3], Operations: ['92-80=12', '12-9=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[49, 9, 92, 80], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [49, 9, 12] Generated Node #0,0: 52:[49, 9, 12] Operation: 92-80=12 Moving to Node #0,0 Current State: 52:[49, 9, 12], Operations: ['92-80=12'] Exploring Operation: 12-9=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 52:[49, 3] Operation: 12-9=3 Moving to Node #0,0,0 Current State: 52:[49, 3], Operations: ['92-80=12', '12-9=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 58, 34, 14, 3 ]
26
[ "58+34=92", "92-14=78", "78/3=26" ]
Current State: 26:[58, 34, 14, 3], Operations: [] Exploring Operation: 58+34=92, Resulting Numbers: [14, 3, 92] Generated Node #2: [14, 3, 92] from Operation: 58+34=92 Current State: 26:[14, 3, 92], Operations: ['58+34=92'] Exploring Operation: 92-14=78, Resulting Numbers: [3, 78] Generated Node #3: [3, 78] from Operation: 92-14=78 Current State: 26:[3, 78], Operations: ['58+34=92', '92-14=78'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[58, 34, 14, 3], Operations: [] Exploring Operation: 58-34=24, Resulting Numbers: [14, 3, 24] Generated Node #0,0: 26:[14, 3, 24] Operation: 58-34=24 Exploring Operation: 58-14=44, Resulting Numbers: [34, 3, 44] Generated Node #0,1: 26:[34, 3, 44] Operation: 58-14=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[14, 3, 24], Operations: ['58-34=24'] Exploring Operation: 3+24=27, Resulting Numbers: [14, 27] Generated Node #0,0,0: 26:[14, 27] Operation: 3+24=27 Exploring Operation: 14-3=11, Resulting Numbers: [24, 11] Generated Node #0,0,1: 26:[24, 11] Operation: 14-3=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[14, 27], Operations: ['58-34=24', '3+24=27'] Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,26 unequal: No Solution No 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: 26:[24, 11], Operations: ['58-34=24', '14-3=11'] Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,26 unequal: No Solution Exploring Operation: 24+11=35, Resulting Numbers: [35] 35,26 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: 26:[34, 3, 44], Operations: ['58-14=44'] Exploring Operation: 44-34=10, Resulting Numbers: [3, 10] Generated Node #0,1,0: 26:[3, 10] Operation: 44-34=10 Exploring Operation: 34-3=31, Resulting Numbers: [44, 31] Generated Node #0,1,1: 26:[44, 31] Operation: 34-3=31 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[3, 10], Operations: ['58-14=44', '44-34=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,26 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,26 unequal: No Solution No 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: 26:[44, 31], Operations: ['58-14=44', '34-3=31'] Exploring Operation: 44+31=75, Resulting Numbers: [75] 75,26 unequal: No Solution Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,26 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
[ 6, 5, 60, 86 ]
14
[ "6*60=360", "360/5=72", "86-72=14" ]
Current State: 14:[6, 5, 60, 86], Operations: [] Exploring Operation: 6*60=360, Resulting Numbers: [5, 86, 360] Generated Node #2: [5, 86, 360] from Operation: 6*60=360 Current State: 14:[5, 86, 360], Operations: ['6*60=360'] Exploring Operation: 360/5=72, Resulting Numbers: [86, 72] Generated Node #3: [86, 72] from Operation: 360/5=72 Current State: 14:[86, 72], Operations: ['6*60=360', '360/5=72'] Exploring Operation: 86-72=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[6, 5, 60, 86], Operations: [] Exploring Operation: 86-60=26, Resulting Numbers: [6, 5, 26] Generated Node #0,0: 14:[6, 5, 26] Operation: 86-60=26 Exploring Operation: 60/5=12, Resulting Numbers: [6, 86, 12] Generated Node #0,1: 14:[6, 86, 12] Operation: 60/5=12 Moving to Node #0,0 Current State: 14:[6, 5, 26], Operations: ['86-60=26'] Exploring Operation: 26-5=21, Resulting Numbers: [6, 21] Generated Node #0,0,0: 14:[6, 21] Operation: 26-5=21 Exploring Operation: 26-6=20, Resulting Numbers: [5, 20] Generated Node #0,0,1: 14:[5, 20] Operation: 26-6=20 Moving to Node #0,1 Current State: 14:[6, 86, 12], Operations: ['60/5=12'] Exploring Operation: 86-12=74, Resulting Numbers: [6, 74] Generated Node #0,1,0: 14:[6, 74] Operation: 86-12=74 Exploring Operation: 86-6=80, Resulting Numbers: [12, 80] Generated Node #0,1,1: 14:[12, 80] Operation: 86-6=80 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 14:[6, 74], Operations: ['60/5=12', '86-12=74'] Exploring Operation: 74-6=68, Resulting Numbers: [68] 68,14 unequal: No Solution Exploring Operation: 6+74=80, Resulting Numbers: [80] 80,14 unequal: No Solution No 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: 14:[12, 80], Operations: ['60/5=12', '86-6=80'] Exploring Operation: 12+80=92, Resulting Numbers: [92] 92,14 unequal: No Solution Exploring Operation: 80-12=68, Resulting Numbers: [68] 68,14 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: 14:[6, 21], Operations: ['86-60=26', '26-5=21'] Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,14 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[5, 20], Operations: ['86-60=26', '26-6=20'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,14 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 19, 6, 42, 16 ]
10
[ "19-16=3", "42/6=7", "3+7=10" ]
Current State: 10:[19, 6, 42, 16], Operations: [] Exploring Operation: 19-16=3, Resulting Numbers: [6, 42, 3] Generated Node #2: [6, 42, 3] from Operation: 19-16=3 Current State: 10:[6, 42, 3], Operations: ['19-16=3'] Exploring Operation: 42/6=7, Resulting Numbers: [3, 7] Generated Node #3: [3, 7] from Operation: 42/6=7 Current State: 10:[3, 7], Operations: ['19-16=3', '42/6=7'] Exploring Operation: 3+7=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[19, 6, 42, 16], Operations: [] Exploring Operation: 19-6=13, Resulting Numbers: [42, 16, 13] Generated Node #0,0: 10:[42, 16, 13] Operation: 19-6=13 Exploring Operation: 42-19=23, Resulting Numbers: [6, 16, 23] Generated Node #0,1: 10:[6, 16, 23] Operation: 42-19=23 Exploring Operation: 42/6=7, Resulting Numbers: [19, 16, 7] Generated Node #0,2: 10:[19, 16, 7] Operation: 42/6=7 Exploring Operation: 19-16=3, Resulting Numbers: [6, 42, 3] Generated Node #0,3: 10:[6, 42, 3] Operation: 19-16=3 Exploring Operation: 42-16=26, Resulting Numbers: [19, 6, 26] Generated Node #0,4: 10:[19, 6, 26] Operation: 42-16=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[19, 16, 7], Operations: ['42/6=7'] Exploring Operation: 19-16=3, Resulting Numbers: [7, 3] Generated Node #0,2,0: 10:[7, 3] Operation: 19-16=3 Exploring Operation: 19+7=26, Resulting Numbers: [16, 26] Generated Node #0,2,1: 10:[16, 26] Operation: 19+7=26 Exploring Operation: 19-7=12, Resulting Numbers: [16, 12] Generated Node #0,2,2: 10:[16, 12] Operation: 19-7=12 Exploring Operation: 16+7=23, Resulting Numbers: [19, 23] Generated Node #0,2,3: 10:[19, 23] Operation: 16+7=23 Exploring Operation: 16-7=9, Resulting Numbers: [19, 9] Generated Node #0,2,4: 10:[19, 9] Operation: 16-7=9 Moving to Node #0,2,0 Current State: 10:[7, 3], Operations: ['42/6=7', '19-16=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[19, 6, 42, 16], Operations: [] Exploring Operation: 42/6=7, Resulting Numbers: [19, 16, 7] Generated Node #0,2: 10:[19, 16, 7] Operation: 42/6=7 Moving to Node #0,2 Current State: 10:[19, 16, 7], Operations: ['42/6=7'] Exploring Operation: 19-16=3, Resulting Numbers: [7, 3] Generated Node #0,2,0: 10:[7, 3] Operation: 19-16=3 Moving to Node #0,2,0 Current State: 10:[7, 3], Operations: ['42/6=7', '19-16=3'] Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 23, 82, 25, 45 ]
11
[ "82-23=59", "25+45=70", "70-59=11" ]
Current State: 11:[23, 82, 25, 45], Operations: [] Exploring Operation: 82-23=59, Resulting Numbers: [25, 45, 59] Generated Node #2: [25, 45, 59] from Operation: 82-23=59 Current State: 11:[25, 45, 59], Operations: ['82-23=59'] Exploring Operation: 25+45=70, Resulting Numbers: [59, 70] Generated Node #3: [59, 70] from Operation: 25+45=70 Current State: 11:[59, 70], Operations: ['82-23=59', '25+45=70'] Exploring Operation: 70-59=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[23, 82, 25, 45], Operations: [] Exploring Operation: 82-25=57, Resulting Numbers: [23, 45, 57] Generated Node #0,0: 11:[23, 45, 57] Operation: 82-25=57 Exploring Operation: 82-45=37, Resulting Numbers: [23, 25, 37] Generated Node #0,1: 11:[23, 25, 37] Operation: 82-45=37 Exploring Operation: 45-25=20, Resulting Numbers: [23, 82, 20] Generated Node #0,2: 11:[23, 82, 20] Operation: 45-25=20 Moving to Node #0,1 Current State: 11:[23, 25, 37], Operations: ['82-45=37'] Exploring Operation: 37-25=12, Resulting Numbers: [23, 12] Generated Node #0,1,0: 11:[23, 12] Operation: 37-25=12 Exploring Operation: 25-23=2, Resulting Numbers: [37, 2] Generated Node #0,1,1: 11:[37, 2] Operation: 25-23=2 Exploring Operation: 37-23=14, Resulting Numbers: [25, 14] Generated Node #0,1,2: 11:[25, 14] Operation: 37-23=14 Moving to Node #0,0 Current State: 11:[23, 45, 57], Operations: ['82-25=57'] Exploring Operation: 57-45=12, Resulting Numbers: [23, 12] Generated Node #0,0,0: 11:[23, 12] Operation: 57-45=12 Exploring Operation: 57-23=34, Resulting Numbers: [45, 34] Generated Node #0,0,1: 11:[45, 34] Operation: 57-23=34 Exploring Operation: 45-23=22, Resulting Numbers: [57, 22] Generated Node #0,0,2: 11:[57, 22] Operation: 45-23=22 Moving to Node #0,2 Current State: 11:[23, 82, 20], Operations: ['45-25=20'] Exploring Operation: 82-23=59, Resulting Numbers: [20, 59] Generated Node #0,2,0: 11:[20, 59] Operation: 82-23=59 Exploring Operation: 82-20=62, Resulting Numbers: [23, 62] Generated Node #0,2,1: 11:[23, 62] Operation: 82-20=62 Exploring Operation: 23-20=3, Resulting Numbers: [82, 3] Generated Node #0,2,2: 11:[82, 3] Operation: 23-20=3 Moving to Node #0,1,0 Current State: 11:[23, 12], Operations: ['82-45=37', '37-25=12'] Exploring Operation: 23*12=276, Resulting Numbers: [276] 276,11 unequal: No Solution Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[23, 82, 25, 45], Operations: [] Exploring Operation: 82-45=37, Resulting Numbers: [23, 25, 37] Generated Node #0,1: 11:[23, 25, 37] Operation: 82-45=37 Moving to Node #0,1 Current State: 11:[23, 25, 37], Operations: ['82-45=37'] Exploring Operation: 37-25=12, Resulting Numbers: [23, 12] Generated Node #0,1,0: 11:[23, 12] Operation: 37-25=12 Moving to Node #0,1,0 Current State: 11:[23, 12], Operations: ['82-45=37', '37-25=12'] Exploring Operation: 23-12=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
0.984375
hs_3
sum_heuristic
[ 44, 30, 26, 92 ]
81
[ "30-26=4", "44/4=11", "92-11=81" ]
Current State: 81:[44, 30, 26, 92], Operations: [] Exploring Operation: 30-26=4, Resulting Numbers: [44, 92, 4] Generated Node #2: [44, 92, 4] from Operation: 30-26=4 Current State: 81:[44, 92, 4], Operations: ['30-26=4'] Exploring Operation: 44/4=11, Resulting Numbers: [92, 11] Generated Node #3: [92, 11] from Operation: 44/4=11 Current State: 81:[92, 11], Operations: ['30-26=4', '44/4=11'] Exploring Operation: 92-11=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[44, 30, 26, 92], Operations: [] Exploring Operation: 44-26=18, Resulting Numbers: [30, 92, 18] Generated Node #0,0: 81:[30, 92, 18] Operation: 44-26=18 Exploring Operation: 44+30=74, Resulting Numbers: [26, 92, 74] Generated Node #0,1: 81:[26, 92, 74] Operation: 44+30=74 Exploring Operation: 44-30=14, Resulting Numbers: [26, 92, 14] Generated Node #0,2: 81:[26, 92, 14] Operation: 44-30=14 Exploring Operation: 44+26=70, Resulting Numbers: [30, 92, 70] Generated Node #0,3: 81:[30, 92, 70] Operation: 44+26=70 Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[26, 92, 14], Operations: ['44-30=14'] Exploring Operation: 92-14=78, Resulting Numbers: [26, 78] Generated Node #0,2,0: 81:[26, 78] Operation: 92-14=78 Exploring Operation: 92-26=66, Resulting Numbers: [14, 66] Generated Node #0,2,1: 81:[14, 66] Operation: 92-26=66 Exploring Operation: 26-14=12, Resulting Numbers: [92, 12] Generated Node #0,2,2: 81:[92, 12] Operation: 26-14=12 Exploring Operation: 26+14=40, Resulting Numbers: [92, 40] Generated Node #0,2,3: 81:[92, 40] Operation: 26+14=40 Moving to Node #0,2,0 Current State: 81:[26, 78], Operations: ['44-30=14', '92-14=78'] Exploring Operation: 78-26=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 26*78=2028, Resulting Numbers: [2028] 2028,81 unequal: No Solution Exploring Operation: 26+78=104, Resulting Numbers: [104] 104,81 unequal: No Solution Exploring Operation: 78/26=3, Resulting Numbers: [3] 3,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[92, 12], Operations: ['44-30=14', '26-14=12'] Exploring Operation: 92*12=1104, Resulting Numbers: [1104] 1104,81 unequal: No Solution Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 92+12=104, Resulting Numbers: [104] 104,81 unequal: No Solution Moving to Node #0,2,1 Current State: 81:[14, 66], Operations: ['44-30=14', '92-26=66'] Exploring Operation: 66-14=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 14*66=924, Resulting Numbers: [924] 924,81 unequal: No Solution Exploring Operation: 14+66=80, Resulting Numbers: [80] 80,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[92, 40], Operations: ['44-30=14', '26+14=40'] Exploring Operation: 92+40=132, Resulting Numbers: [132] 132,81 unequal: No Solution Exploring Operation: 92-40=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 92*40=3680, Resulting Numbers: [3680] 3680,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[26, 92, 74], Operations: ['44+30=74'] Exploring Operation: 92-26=66, Resulting Numbers: [74, 66] Generated Node #0,1,0: 81:[74, 66] Operation: 92-26=66 Exploring Operation: 26+74=100, Resulting Numbers: [92, 100] Generated Node #0,1,1: 81:[92, 100] Operation: 26+74=100 Exploring Operation: 92-74=18, Resulting Numbers: [26, 18] Generated Node #0,1,2: 81:[26, 18] Operation: 92-74=18 Exploring Operation: 74-26=48, Resulting Numbers: [92, 48] Generated Node #0,1,3: 81:[92, 48] Operation: 74-26=48 Moving to Node #0,1,2 Current State: 81:[26, 18], Operations: ['44+30=74', '92-74=18'] Exploring Operation: 26-18=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 26+18=44, Resulting Numbers: [44] 44,81 unequal: No Solution Exploring Operation: 26*18=468, Resulting Numbers: [468] 468,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[74, 66], Operations: ['44+30=74', '92-26=66'] Exploring Operation: 74*66=4884, Resulting Numbers: [4884] 4884,81 unequal: No Solution Exploring Operation: 74-66=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 74+66=140, Resulting Numbers: [140] 140,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[92, 100], Operations: ['44+30=74', '26+74=100'] Exploring Operation: 92+100=192, Resulting Numbers: [192] 192,81 unequal: No Solution Exploring Operation: 92*100=9200, Resulting Numbers: [9200] 9200,81 unequal: No Solution Exploring Operation: 100-92=8, Resulting Numbers: [8] 8,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[92, 48], Operations: ['44+30=74', '74-26=48'] Exploring Operation: 92-48=44, Resulting Numbers: [44] 44,81 unequal: No Solution Exploring Operation: 92*48=4416, Resulting Numbers: [4416] 4416,81 unequal: No Solution Exploring Operation: 92+48=140, Resulting Numbers: [140] 140,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[30, 92, 18], Operations: ['44-26=18'] Exploring Operation: 30+18=48, Resulting Numbers: [92, 48] Generated Node #0,0,0: 81:[92, 48] Operation: 30+18=48 Exploring Operation: 92-18=74, Resulting Numbers: [30, 74] Generated Node #0,0,1: 81:[30, 74] Operation: 92-18=74 Exploring Operation: 92-30=62, Resulting Numbers: [18, 62] Generated Node #0,0,2: 81:[18, 62] Operation: 92-30=62 Exploring Operation: 30-18=12, Resulting Numbers: [92, 12] Generated Node #0,0,3: 81:[92, 12] Operation: 30-18=12 Moving to Node #0,0,1 Current State: 81:[30, 74], Operations: ['44-26=18', '92-18=74'] Exploring Operation: 30+74=104, Resulting Numbers: [104] 104,81 unequal: No Solution Exploring Operation: 74-30=44, Resulting Numbers: [44] 44,81 unequal: No Solution Exploring Operation: 30*74=2220, Resulting Numbers: [2220] 2220,81 unequal: No Solution Moving to Node #0,0,3 Current State: 81:[92, 12], Operations: ['44-26=18', '30-18=12'] Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 92*12=1104, Resulting Numbers: [1104] 1104,81 unequal: No Solution Exploring Operation: 92+12=104, Resulting Numbers: [104] 104,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[18, 62], Operations: ['44-26=18', '92-30=62'] Exploring Operation: 18*62=1116, Resulting Numbers: [1116] 1116,81 unequal: No Solution Exploring Operation: 18+62=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[92, 48], Operations: ['44-26=18', '30+18=48'] Exploring Operation: 92-48=44, Resulting Numbers: [44] 44,81 unequal: No Solution Exploring Operation: 92*48=4416, Resulting Numbers: [4416] 4416,81 unequal: No Solution Exploring Operation: 92+48=140, Resulting Numbers: [140] 140,81 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 Current State: 81:[30, 92, 70], Operations: ['44+26=70'] Exploring Operation: 92-30=62, Resulting Numbers: [70, 62] Generated Node #0,3,0: 81:[70, 62] Operation: 92-30=62 Exploring Operation: 92-70=22, Resulting Numbers: [30, 22] Generated Node #0,3,1: 81:[30, 22] Operation: 92-70=22 Exploring Operation: 70-30=40, Resulting Numbers: [92, 40] Generated Node #0,3,2: 81:[92, 40] Operation: 70-30=40 Exploring Operation: 30+70=100, Resulting Numbers: [92, 100] Generated Node #0,3,3: 81:[92, 100] Operation: 30+70=100 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 81:[30, 22], Operations: ['44+26=70', '92-70=22'] Exploring Operation: 30*22=660, Resulting Numbers: [660] 660,81 unequal: No Solution Exploring Operation: 30+22=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 81:[92, 40], Operations: ['44+26=70', '70-30=40'] Exploring Operation: 92-40=52, Resulting Numbers: [52] 52,81 unequal: No Solution Exploring Operation: 92+40=132, Resulting Numbers: [132] 132,81 unequal: No Solution Exploring Operation: 92*40=3680, Resulting Numbers: [3680] 3680,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 81:[70, 62], Operations: ['44+26=70', '92-30=62'] Exploring Operation: 70+62=132, Resulting Numbers: [132] 132,81 unequal: No Solution Exploring Operation: 70-62=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 70*62=4340, Resulting Numbers: [4340] 4340,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 81:[92, 100], Operations: ['44+26=70', '30+70=100'] Exploring Operation: 92*100=9200, Resulting Numbers: [9200] 9200,81 unequal: No Solution Exploring Operation: 100-92=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 92+100=192, Resulting Numbers: [192] 192,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 25, 77, 19, 45 ]
77
[ "25+19=44", "45-44=1", "77*1=77" ]
Current State: 77:[25, 77, 19, 45], Operations: [] Exploring Operation: 25+19=44, Resulting Numbers: [77, 45, 44] Generated Node #2: [77, 45, 44] from Operation: 25+19=44 Current State: 77:[77, 45, 44], Operations: ['25+19=44'] Exploring Operation: 45-44=1, Resulting Numbers: [77, 1] Generated Node #3: [77, 1] from Operation: 45-44=1 Current State: 77:[77, 1], Operations: ['25+19=44', '45-44=1'] Exploring Operation: 77*1=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[25, 77, 19, 45], Operations: [] Exploring Operation: 25+45=70, Resulting Numbers: [77, 19, 70] Generated Node #0,0: 77:[77, 19, 70] Operation: 25+45=70 Moving to Node #0,0 Current State: 77:[77, 19, 70], Operations: ['25+45=70'] Exploring Operation: 77-70=7, Resulting Numbers: [19, 7] Generated Node #0,0,0: 77:[19, 7] Operation: 77-70=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[19, 7], Operations: ['25+45=70', '77-70=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,77 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
[ 10, 15, 96, 95 ]
89
[ "10+95=105", "105/15=7", "96-7=89" ]
Current State: 89:[10, 15, 96, 95], Operations: [] Exploring Operation: 10+95=105, Resulting Numbers: [15, 96, 105] Generated Node #2: [15, 96, 105] from Operation: 10+95=105 Current State: 89:[15, 96, 105], Operations: ['10+95=105'] Exploring Operation: 105/15=7, Resulting Numbers: [96, 7] Generated Node #3: [96, 7] from Operation: 105/15=7 Current State: 89:[96, 7], Operations: ['10+95=105', '105/15=7'] Exploring Operation: 96-7=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[10, 15, 96, 95], Operations: [] Exploring Operation: 96-15=81, Resulting Numbers: [10, 95, 81] Generated Node #0,0: 89:[10, 95, 81] Operation: 96-15=81 Exploring Operation: 10*15=150, Resulting Numbers: [96, 95, 150] Generated Node #0,1: 89:[96, 95, 150] Operation: 10*15=150 Exploring Operation: 96-10=86, Resulting Numbers: [15, 95, 86] Generated Node #0,2: 89:[15, 95, 86] Operation: 96-10=86 Exploring Operation: 10+15=25, Resulting Numbers: [96, 95, 25] Generated Node #0,3: 89:[96, 95, 25] Operation: 10+15=25 Exploring Operation: 95-10=85, Resulting Numbers: [15, 96, 85] Generated Node #0,4: 89:[15, 96, 85] Operation: 95-10=85 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[96, 95, 150], Operations: ['10*15=150'] Exploring Operation: 96-95=1, Resulting Numbers: [150, 1] Generated Node #0,1,0: 89:[150, 1] Operation: 96-95=1 Exploring Operation: 96+95=191, Resulting Numbers: [150, 191] Generated Node #0,1,1: 89:[150, 191] Operation: 96+95=191 Exploring Operation: 150-96=54, Resulting Numbers: [95, 54] Generated Node #0,1,2: 89:[95, 54] Operation: 150-96=54 Exploring Operation: 96+150=246, Resulting Numbers: [95, 246] Generated Node #0,1,3: 89:[95, 246] Operation: 96+150=246 Exploring Operation: 150-95=55, Resulting Numbers: [96, 55] Generated Node #0,1,4: 89:[96, 55] Operation: 150-95=55 Moving to Node #0,1,2 Current State: 89:[95, 54], Operations: ['10*15=150', '150-96=54'] Exploring Operation: 95*54=5130, Resulting Numbers: [5130] 5130,89 unequal: No Solution Exploring Operation: 95-54=41, Resulting Numbers: [41] 41,89 unequal: No Solution Exploring Operation: 95+54=149, Resulting Numbers: [149] 149,89 unequal: No Solution Moving to Node #0,1,4 Current State: 89:[96, 55], Operations: ['10*15=150', '150-95=55'] Exploring Operation: 96-55=41, Resulting Numbers: [41] 41,89 unequal: No Solution Exploring Operation: 96+55=151, Resulting Numbers: [151] 151,89 unequal: No Solution Exploring Operation: 96*55=5280, Resulting Numbers: [5280] 5280,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[150, 1], Operations: ['10*15=150', '96-95=1'] Exploring Operation: 150/1=150, Resulting Numbers: [150] 150,89 unequal: No Solution Exploring Operation: 150+1=151, Resulting Numbers: [151] 151,89 unequal: No Solution Exploring Operation: 150-1=149, Resulting Numbers: [149] 149,89 unequal: No Solution Exploring Operation: 150*1=150, Resulting Numbers: [150] 150,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[150, 191], Operations: ['10*15=150', '96+95=191'] Exploring Operation: 191-150=41, Resulting Numbers: [41] 41,89 unequal: No Solution Exploring Operation: 150+191=341, Resulting Numbers: [341] 341,89 unequal: No Solution Exploring Operation: 150*191=28650, Resulting Numbers: [28650] 28650,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[95, 246], Operations: ['10*15=150', '96+150=246'] Exploring Operation: 95*246=23370, Resulting Numbers: [23370] 23370,89 unequal: No Solution Exploring Operation: 95+246=341, Resulting Numbers: [341] 341,89 unequal: No Solution Exploring Operation: 246-95=151, Resulting Numbers: [151] 151,89 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 #0,3 Current State: 89:[96, 95, 25], Operations: ['10+15=25'] Exploring Operation: 96-25=71, Resulting Numbers: [95, 71] Generated Node #0,3,0: 89:[95, 71] Operation: 96-25=71 Exploring Operation: 95+25=120, Resulting Numbers: [96, 120] Generated Node #0,3,1: 89:[96, 120] Operation: 95+25=120 Exploring Operation: 96-95=1, Resulting Numbers: [25, 1] Generated Node #0,3,2: 89:[25, 1] Operation: 96-95=1 Exploring Operation: 95-25=70, Resulting Numbers: [96, 70] Generated Node #0,3,3: 89:[96, 70] Operation: 95-25=70 Exploring Operation: 96+25=121, Resulting Numbers: [95, 121] Generated Node #0,3,4: 89:[95, 121] Operation: 96+25=121 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 89:[95, 71], Operations: ['10+15=25', '96-25=71'] Exploring Operation: 95+71=166, Resulting Numbers: [166] 166,89 unequal: No Solution Exploring Operation: 95-71=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 95*71=6745, Resulting Numbers: [6745] 6745,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 89:[96, 70], Operations: ['10+15=25', '95-25=70'] Exploring Operation: 96+70=166, Resulting Numbers: [166] 166,89 unequal: No Solution Exploring Operation: 96*70=6720, Resulting Numbers: [6720] 6720,89 unequal: No Solution Exploring Operation: 96-70=26, Resulting Numbers: [26] 26,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 89:[96, 120], Operations: ['10+15=25', '95+25=120'] Exploring Operation: 96+120=216, Resulting Numbers: [216] 216,89 unequal: No Solution Exploring Operation: 120-96=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 96*120=11520, Resulting Numbers: [11520] 11520,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 89:[95, 121], Operations: ['10+15=25', '96+25=121'] Exploring Operation: 95*121=11495, Resulting Numbers: [11495] 11495,89 unequal: No Solution Exploring Operation: 121-95=26, Resulting Numbers: [26] 26,89 unequal: No Solution Exploring Operation: 95+121=216, Resulting Numbers: [216] 216,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 89:[25, 1], Operations: ['10+15=25', '96-95=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,89 unequal: No Solution Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,89 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[15, 95, 86], Operations: ['96-10=86'] Exploring Operation: 15+95=110, Resulting Numbers: [86, 110] Generated Node #0,2,0: 89:[86, 110] Operation: 15+95=110 Exploring Operation: 95-86=9, Resulting Numbers: [15, 9] Generated Node #0,2,1: 89:[15, 9] Operation: 95-86=9 Exploring Operation: 86-15=71, Resulting Numbers: [95, 71] Generated Node #0,2,2: 89:[95, 71] Operation: 86-15=71 Exploring Operation: 95-15=80, Resulting Numbers: [86, 80] Generated Node #0,2,3: 89:[86, 80] Operation: 95-15=80 Exploring Operation: 15+86=101, Resulting Numbers: [95, 101] Generated Node #0,2,4: 89:[95, 101] Operation: 15+86=101 Moving to Node #0,2,3 Current State: 89:[86, 80], Operations: ['96-10=86', '95-15=80'] Exploring Operation: 86*80=6880, Resulting Numbers: [6880] 6880,89 unequal: No Solution Exploring Operation: 86+80=166, Resulting Numbers: [166] 166,89 unequal: No Solution Exploring Operation: 86-80=6, Resulting Numbers: [6] 6,89 unequal: No Solution Moving to Node #0,2,4 Current State: 89:[95, 101], Operations: ['96-10=86', '15+86=101'] Exploring Operation: 95*101=9595, Resulting Numbers: [9595] 9595,89 unequal: No Solution Exploring Operation: 95+101=196, Resulting Numbers: [196] 196,89 unequal: No Solution Exploring Operation: 101-95=6, Resulting Numbers: [6] 6,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[86, 110], Operations: ['96-10=86', '15+95=110'] Exploring Operation: 86*110=9460, Resulting Numbers: [9460] 9460,89 unequal: No Solution Exploring Operation: 86+110=196, Resulting Numbers: [196] 196,89 unequal: No Solution Exploring Operation: 110-86=24, Resulting Numbers: [24] 24,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[95, 71], Operations: ['96-10=86', '86-15=71'] Exploring Operation: 95-71=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 95+71=166, Resulting Numbers: [166] 166,89 unequal: No Solution Exploring Operation: 95*71=6745, Resulting Numbers: [6745] 6745,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[15, 9], Operations: ['96-10=86', '95-86=9'] Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,89 unequal: No Solution Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 89:[15, 96, 85], Operations: ['95-10=85'] Exploring Operation: 15+85=100, Resulting Numbers: [96, 100] Generated Node #0,4,0: 89:[96, 100] Operation: 15+85=100 Exploring Operation: 96-15=81, Resulting Numbers: [85, 81] Generated Node #0,4,1: 89:[85, 81] Operation: 96-15=81 Exploring Operation: 96-85=11, Resulting Numbers: [15, 11] Generated Node #0,4,2: 89:[15, 11] Operation: 96-85=11 Exploring Operation: 15+96=111, Resulting Numbers: [85, 111] Generated Node #0,4,3: 89:[85, 111] Operation: 15+96=111 Exploring Operation: 85-15=70, Resulting Numbers: [96, 70] Generated Node #0,4,4: 89:[96, 70] Operation: 85-15=70 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 89:[85, 81], Operations: ['95-10=85', '96-15=81'] Exploring Operation: 85*81=6885, Resulting Numbers: [6885] 6885,89 unequal: No Solution Exploring Operation: 85-81=4, Resulting Numbers: [4] 4,89 unequal: No Solution Exploring Operation: 85+81=166, Resulting Numbers: [166] 166,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 89:[96, 100], Operations: ['95-10=85', '15+85=100'] Exploring Operation: 100-96=4, Resulting Numbers: [4] 4,89 unequal: No Solution Exploring Operation: 96+100=196, Resulting Numbers: [196] 196,89 unequal: No Solution Exploring Operation: 96*100=9600, Resulting Numbers: [9600] 9600,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 89:[85, 111], Operations: ['95-10=85', '15+96=111'] Exploring Operation: 111-85=26, Resulting Numbers: [26] 26,89 unequal: No Solution Exploring Operation: 85*111=9435, Resulting Numbers: [9435] 9435,89 unequal: No Solution Exploring Operation: 85+111=196, Resulting Numbers: [196] 196,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 89:[96, 70], Operations: ['95-10=85', '85-15=70'] Exploring Operation: 96*70=6720, Resulting Numbers: [6720] 6720,89 unequal: No Solution Exploring Operation: 96-70=26, Resulting Numbers: [26] 26,89 unequal: No Solution Exploring Operation: 96+70=166, Resulting Numbers: [166] 166,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 89:[15, 11], Operations: ['95-10=85', '96-85=11'] Exploring Operation: 15*11=165, Resulting Numbers: [165] 165,89 unequal: No Solution Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,89 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[10, 95, 81], Operations: ['96-15=81'] Exploring Operation: 95-81=14, Resulting Numbers: [10, 14] Generated Node #0,0,0: 89:[10, 14] Operation: 95-81=14 Exploring Operation: 10+95=105, Resulting Numbers: [81, 105] Generated Node #0,0,1: 89:[81, 105] Operation: 10+95=105 Exploring Operation: 81-10=71, Resulting Numbers: [95, 71] Generated Node #0,0,2: 89:[95, 71] Operation: 81-10=71 Exploring Operation: 10+81=91, Resulting Numbers: [95, 91] Generated Node #0,0,3: 89:[95, 91] Operation: 10+81=91 Exploring Operation: 95-10=85, Resulting Numbers: [81, 85] Generated Node #0,0,4: 89:[81, 85] Operation: 95-10=85 Moving to Node #0,0,3 Current State: 89:[95, 91], Operations: ['96-15=81', '10+81=91'] Exploring Operation: 95*91=8645, Resulting Numbers: [8645] 8645,89 unequal: No Solution Exploring Operation: 95+91=186, Resulting Numbers: [186] 186,89 unequal: No Solution Exploring Operation: 95-91=4, Resulting Numbers: [4] 4,89 unequal: No Solution Moving to Node #0,0,4 Current State: 89:[81, 85], Operations: ['96-15=81', '95-10=85'] Exploring Operation: 81+85=166, Resulting Numbers: [166] 166,89 unequal: No Solution Exploring Operation: 81*85=6885, Resulting Numbers: [6885] 6885,89 unequal: No Solution Exploring Operation: 85-81=4, Resulting Numbers: [4] 4,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[81, 105], Operations: ['96-15=81', '10+95=105'] Exploring Operation: 81+105=186, Resulting Numbers: [186] 186,89 unequal: No Solution Exploring Operation: 105-81=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 81*105=8505, Resulting Numbers: [8505] 8505,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[95, 71], Operations: ['96-15=81', '81-10=71'] Exploring Operation: 95+71=166, Resulting Numbers: [166] 166,89 unequal: No Solution Exploring Operation: 95-71=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 95*71=6745, Resulting Numbers: [6745] 6745,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[10, 14], Operations: ['96-15=81', '95-81=14'] Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,89 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,89 unequal: No Solution Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,89 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
[ 30, 82, 64, 3 ]
84
[ "82-64=18", "3*18=54", "30+54=84" ]
Current State: 84:[30, 82, 64, 3], Operations: [] Exploring Operation: 82-64=18, Resulting Numbers: [30, 3, 18] Generated Node #2: [30, 3, 18] from Operation: 82-64=18 Current State: 84:[30, 3, 18], Operations: ['82-64=18'] Exploring Operation: 3*18=54, Resulting Numbers: [30, 54] Generated Node #3: [30, 54] from Operation: 3*18=54 Current State: 84:[30, 54], Operations: ['82-64=18', '3*18=54'] Exploring Operation: 30+54=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[30, 82, 64, 3], Operations: [] Exploring Operation: 82-64=18, Resulting Numbers: [30, 3, 18] Generated Node #0,0: 84:[30, 3, 18] Operation: 82-64=18 Exploring Operation: 64-30=34, Resulting Numbers: [82, 3, 34] Generated Node #0,1: 84:[82, 3, 34] Operation: 64-30=34 Moving to Node #0,0 Current State: 84:[30, 3, 18], Operations: ['82-64=18'] Exploring Operation: 30-18=12, Resulting Numbers: [3, 12] Generated Node #0,0,0: 84:[3, 12] Operation: 30-18=12 Exploring Operation: 3+18=21, Resulting Numbers: [30, 21] Generated Node #0,0,1: 84:[30, 21] Operation: 3+18=21 Moving to Node #0,1 Current State: 84:[82, 3, 34], Operations: ['64-30=34'] Exploring Operation: 82-34=48, Resulting Numbers: [3, 48] Generated Node #0,1,0: 84:[3, 48] Operation: 82-34=48 Exploring Operation: 34-3=31, Resulting Numbers: [82, 31] Generated Node #0,1,1: 84:[82, 31] Operation: 34-3=31 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[82, 31], Operations: ['64-30=34', '34-3=31'] Exploring Operation: 82+31=113, Resulting Numbers: [113] 113,84 unequal: No Solution Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,84 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 #0,1,0 Current State: 84:[3, 48], Operations: ['64-30=34', '82-34=48'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,84 unequal: No Solution Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,84 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: 84:[3, 12], Operations: ['82-64=18', '30-18=12'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,84 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[30, 21], Operations: ['82-64=18', '3+18=21'] Exploring Operation: 30+21=51, Resulting Numbers: [51] 51,84 unequal: No Solution Exploring Operation: 30-21=9, Resulting Numbers: [9] 9,84 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 73, 94, 7, 23 ]
20
[ "94-73=21", "21/7=3", "23-3=20" ]
Current State: 20:[73, 94, 7, 23], Operations: [] Exploring Operation: 94-73=21, Resulting Numbers: [7, 23, 21] Generated Node #2: [7, 23, 21] from Operation: 94-73=21 Current State: 20:[7, 23, 21], Operations: ['94-73=21'] Exploring Operation: 21/7=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 21/7=3 Current State: 20:[23, 3], Operations: ['94-73=21', '21/7=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[73, 94, 7, 23], Operations: [] Exploring Operation: 94-73=21, Resulting Numbers: [7, 23, 21] Generated Node #0,0: 20:[7, 23, 21] Operation: 94-73=21 Exploring Operation: 73-23=50, Resulting Numbers: [94, 7, 50] Generated Node #0,1: 20:[94, 7, 50] Operation: 73-23=50 Moving to Node #0,0 Current State: 20:[7, 23, 21], Operations: ['94-73=21'] Exploring Operation: 23-21=2, Resulting Numbers: [7, 2] Generated Node #0,0,0: 20:[7, 2] Operation: 23-21=2 Exploring Operation: 21/7=3, Resulting Numbers: [23, 3] Generated Node #0,0,1: 20:[23, 3] Operation: 21/7=3 Moving to Node #0,1 Current State: 20:[94, 7, 50], Operations: ['73-23=50'] Exploring Operation: 94-50=44, Resulting Numbers: [7, 44] Generated Node #0,1,0: 20:[7, 44] Operation: 94-50=44 Exploring Operation: 94-7=87, Resulting Numbers: [50, 87] Generated Node #0,1,1: 20:[50, 87] Operation: 94-7=87 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[7, 44], Operations: ['73-23=50', '94-50=44'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 7+44=51, Resulting Numbers: [51] 51,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[50, 87], Operations: ['73-23=50', '94-7=87'] Exploring Operation: 87-50=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 50+87=137, Resulting Numbers: [137] 137,20 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: 20:[7, 2], Operations: ['94-73=21', '23-21=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[23, 3], Operations: ['94-73=21', '21/7=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[73, 94, 7, 23], Operations: [] Exploring Operation: 94-73=21, Resulting Numbers: [7, 23, 21] Generated Node #0,0: 20:[7, 23, 21] Operation: 94-73=21 Moving to Node #0,0 Current State: 20:[7, 23, 21], Operations: ['94-73=21'] Exploring Operation: 21/7=3, Resulting Numbers: [23, 3] Generated Node #0,0,1: 20:[23, 3] Operation: 21/7=3 Moving to Node #0,0,1 Current State: 20:[23, 3], Operations: ['94-73=21', '21/7=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.985243
hs_2
mult_heuristic
[ 61, 18, 70, 31 ]
40
[ "61+18=79", "70-31=39", "79-39=40" ]
Current State: 40:[61, 18, 70, 31], Operations: [] Exploring Operation: 61+18=79, Resulting Numbers: [70, 31, 79] Generated Node #2: [70, 31, 79] from Operation: 61+18=79 Current State: 40:[70, 31, 79], Operations: ['61+18=79'] Exploring Operation: 70-31=39, Resulting Numbers: [79, 39] Generated Node #3: [79, 39] from Operation: 70-31=39 Current State: 40:[79, 39], Operations: ['61+18=79', '70-31=39'] Exploring Operation: 79-39=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[61, 18, 70, 31], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [18, 31, 9] Generated Node #0,0: 40:[18, 31, 9] Operation: 70-61=9 Exploring Operation: 70-31=39, Resulting Numbers: [61, 18, 39] Generated Node #0,1: 40:[61, 18, 39] Operation: 70-31=39 Exploring Operation: 61-18=43, Resulting Numbers: [70, 31, 43] Generated Node #0,2: 40:[70, 31, 43] Operation: 61-18=43 Moving to Node #0,0 Current State: 40:[18, 31, 9], Operations: ['70-61=9'] Exploring Operation: 31+9=40, Resulting Numbers: [18, 40] Generated Node #0,0,0: 40:[18, 40] Operation: 31+9=40 Exploring Operation: 31-9=22, Resulting Numbers: [18, 22] Generated Node #0,0,1: 40:[18, 22] Operation: 31-9=22 Exploring Operation: 31-18=13, Resulting Numbers: [9, 13] Generated Node #0,0,2: 40:[9, 13] Operation: 31-18=13 Moving to Node #0,1 Current State: 40:[61, 18, 39], Operations: ['70-31=39'] Exploring Operation: 61-39=22, Resulting Numbers: [18, 22] Generated Node #0,1,0: 40:[18, 22] Operation: 61-39=22 Exploring Operation: 61-18=43, Resulting Numbers: [39, 43] Generated Node #0,1,1: 40:[39, 43] Operation: 61-18=43 Exploring Operation: 39-18=21, Resulting Numbers: [61, 21] Generated Node #0,1,2: 40:[61, 21] Operation: 39-18=21 Moving to Node #0,2 Current State: 40:[70, 31, 43], Operations: ['61-18=43'] Exploring Operation: 43-31=12, Resulting Numbers: [70, 12] Generated Node #0,2,0: 40:[70, 12] Operation: 43-31=12 Exploring Operation: 70-31=39, Resulting Numbers: [43, 39] Generated Node #0,2,1: 40:[43, 39] Operation: 70-31=39 Exploring Operation: 70-43=27, Resulting Numbers: [31, 27] Generated Node #0,2,2: 40:[31, 27] Operation: 70-43=27 Moving to Node #0,0,0 Current State: 40:[18, 40], Operations: ['70-61=9', '31+9=40'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,40 unequal: No Solution Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,40 unequal: No Solution Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,40 unequal: No Solution Moving to Node #0,0,2 Current State: 40:[9, 13], Operations: ['70-61=9', '31-18=13'] Exploring Operation: 9*13=117, Resulting Numbers: [117] 117,40 unequal: No Solution Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,40 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[43, 39], Operations: ['61-18=43', '70-31=39'] Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 43*39=1677, Resulting Numbers: [1677] 1677,40 unequal: No Solution Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[18, 22], Operations: ['70-61=9', '31-9=22'] Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 18*22=396, Resulting Numbers: [396] 396,40 unequal: No Solution Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[61, 18, 70, 31], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [18, 31, 9] Generated Node #0,0: 40:[18, 31, 9] Operation: 70-61=9 Moving to Node #0,0 Current State: 40:[18, 31, 9], Operations: ['70-61=9'] Exploring Operation: 31-9=22, Resulting Numbers: [18, 22] Generated Node #0,0,1: 40:[18, 22] Operation: 31-9=22 Moving to Node #0,0,1 Current State: 40:[18, 22], Operations: ['70-61=9', '31-9=22'] Exploring Operation: 18+22=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.975694
hs_3
sum_heuristic
[ 34, 49, 43, 1 ]
58
[ "49-34=15", "43*1=43", "15+43=58" ]
Current State: 58:[34, 49, 43, 1], Operations: [] Exploring Operation: 49-34=15, Resulting Numbers: [43, 1, 15] Generated Node #2: [43, 1, 15] from Operation: 49-34=15 Current State: 58:[43, 1, 15], Operations: ['49-34=15'] Exploring Operation: 43*1=43, Resulting Numbers: [15, 43] Generated Node #3: [15, 43] from Operation: 43*1=43 Current State: 58:[15, 43], Operations: ['49-34=15', '43*1=43'] Exploring Operation: 15+43=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[34, 49, 43, 1], Operations: [] Exploring Operation: 49+1=50, Resulting Numbers: [34, 43, 50] Generated Node #0,0: 58:[34, 43, 50] Operation: 49+1=50 Exploring Operation: 43-1=42, Resulting Numbers: [34, 49, 42] Generated Node #0,1: 58:[34, 49, 42] Operation: 43-1=42 Exploring Operation: 43-34=9, Resulting Numbers: [49, 1, 9] Generated Node #0,2: 58:[49, 1, 9] Operation: 43-34=9 Exploring Operation: 34-1=33, Resulting Numbers: [49, 43, 33] Generated Node #0,3: 58:[49, 43, 33] Operation: 34-1=33 Exploring Operation: 49-43=6, Resulting Numbers: [34, 1, 6] Generated Node #0,4: 58:[34, 1, 6] Operation: 49-43=6 Moving to Node #0,4 Current State: 58:[34, 1, 6], Operations: ['49-43=6'] Exploring Operation: 6-1=5, Resulting Numbers: [34, 5] Generated Node #0,4,0: 58:[34, 5] Operation: 6-1=5 Exploring Operation: 34/1=34, Resulting Numbers: [6, 34] Generated Node #0,4,1: 58:[6, 34] Operation: 34/1=34 Exploring Operation: 34-1=33, Resulting Numbers: [6, 33] Generated Node #0,4,2: 58:[6, 33] Operation: 34-1=33 Exploring Operation: 34*1=34, Resulting Numbers: [6, 34] Generated Node #0,4,3: 58:[6, 34] Operation: 34*1=34 Exploring Operation: 34-6=28, Resulting Numbers: [1, 28] Generated Node #0,4,4: 58:[1, 28] Operation: 34-6=28 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 58:[1, 28], Operations: ['49-43=6', '34-6=28'] Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 58:[34, 5], Operations: ['49-43=6', '6-1=5'] Exploring Operation: 34-5=29, Resulting Numbers: [29] 29,58 unequal: No Solution Exploring Operation: 34*5=170, Resulting Numbers: [170] 170,58 unequal: No Solution Exploring Operation: 34+5=39, Resulting Numbers: [39] 39,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 58:[6, 33], Operations: ['49-43=6', '34-1=33'] Exploring Operation: 6*33=198, Resulting Numbers: [198] 198,58 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 58:[6, 34], Operations: ['49-43=6', '34/1=34'] Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 58:[6, 34], Operations: ['49-43=6', '34*1=34'] Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 6+34=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 6*34=204, Resulting Numbers: [204] 204,58 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: 58:[49, 1, 9], Operations: ['43-34=9'] Exploring Operation: 9-1=8, Resulting Numbers: [49, 8] Generated Node #0,2,0: 58:[49, 8] Operation: 9-1=8 Exploring Operation: 49-9=40, Resulting Numbers: [1, 40] Generated Node #0,2,1: 58:[1, 40] Operation: 49-9=40 Exploring Operation: 49*1=49, Resulting Numbers: [9, 49] Generated Node #0,2,2: 58:[9, 49] Operation: 49*1=49 Exploring Operation: 49+9=58, Resulting Numbers: [1, 58] Generated Node #0,2,3: 58:[1, 58] Operation: 49+9=58 Exploring Operation: 49+1=50, Resulting Numbers: [9, 50] Generated Node #0,2,4: 58:[9, 50] Operation: 49+1=50 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 58:[1, 58], Operations: ['43-34=9', '49+9=58'] Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,58 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[34, 49, 43, 1], Operations: [] Exploring Operation: 43-34=9, Resulting Numbers: [49, 1, 9] Generated Node #0,2: 58:[49, 1, 9] Operation: 43-34=9 Moving to Node #0,2 Current State: 58:[49, 1, 9], Operations: ['43-34=9'] Exploring Operation: 49+9=58, Resulting Numbers: [1, 58] Generated Node #0,2,3: 58:[1, 58] Operation: 49+9=58 Moving to Node #0,2,3 Current State: 58:[1, 58], Operations: ['43-34=9', '49+9=58'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 64, 57, 83, 91 ]
96
[ "64-57=7", "91/7=13", "83+13=96" ]
Current State: 96:[64, 57, 83, 91], Operations: [] Exploring Operation: 64-57=7, Resulting Numbers: [83, 91, 7] Generated Node #2: [83, 91, 7] from Operation: 64-57=7 Current State: 96:[83, 91, 7], Operations: ['64-57=7'] Exploring Operation: 91/7=13, Resulting Numbers: [83, 13] Generated Node #3: [83, 13] from Operation: 91/7=13 Current State: 96:[83, 13], Operations: ['64-57=7', '91/7=13'] Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[64, 57, 83, 91], Operations: [] Exploring Operation: 83-64=19, Resulting Numbers: [57, 91, 19] Generated Node #0,0: 96:[57, 91, 19] Operation: 83-64=19 Exploring Operation: 83-57=26, Resulting Numbers: [64, 91, 26] Generated Node #0,1: 96:[64, 91, 26] Operation: 83-57=26 Exploring Operation: 91-83=8, Resulting Numbers: [64, 57, 8] Generated Node #0,2: 96:[64, 57, 8] Operation: 91-83=8 Exploring Operation: 64-57=7, Resulting Numbers: [83, 91, 7] Generated Node #0,3: 96:[83, 91, 7] Operation: 64-57=7 Exploring Operation: 91-64=27, Resulting Numbers: [57, 83, 27] Generated Node #0,4: 96:[57, 83, 27] Operation: 91-64=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[57, 91, 19], Operations: ['83-64=19'] Exploring Operation: 57-19=38, Resulting Numbers: [91, 38] Generated Node #0,0,0: 96:[91, 38] Operation: 57-19=38 Exploring Operation: 57/19=3, Resulting Numbers: [91, 3] Generated Node #0,0,1: 96:[91, 3] Operation: 57/19=3 Exploring Operation: 57+19=76, Resulting Numbers: [91, 76] Generated Node #0,0,2: 96:[91, 76] Operation: 57+19=76 Exploring Operation: 91-57=34, Resulting Numbers: [19, 34] Generated Node #0,0,3: 96:[19, 34] Operation: 91-57=34 Exploring Operation: 91+19=110, Resulting Numbers: [57, 110] Generated Node #0,0,4: 96:[57, 110] Operation: 91+19=110 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 96:[91, 3], Operations: ['83-64=19', '57/19=3'] Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,96 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,96 unequal: No Solution Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,96 unequal: No Solution No 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: 96:[19, 34], Operations: ['83-64=19', '91-57=34'] Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,96 unequal: No Solution Exploring Operation: 19*34=646, Resulting Numbers: [646] 646,96 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,96 unequal: No Solution No 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: 96:[91, 38], Operations: ['83-64=19', '57-19=38'] Exploring Operation: 91*38=3458, Resulting Numbers: [3458] 3458,96 unequal: No Solution Exploring Operation: 91+38=129, Resulting Numbers: [129] 129,96 unequal: No Solution Exploring Operation: 91-38=53, Resulting Numbers: [53] 53,96 unequal: No Solution No 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: 96:[57, 110], Operations: ['83-64=19', '91+19=110'] Exploring Operation: 57*110=6270, Resulting Numbers: [6270] 6270,96 unequal: No Solution Exploring Operation: 57+110=167, Resulting Numbers: [167] 167,96 unequal: No Solution Exploring Operation: 110-57=53, Resulting Numbers: [53] 53,96 unequal: No Solution No 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: 96:[91, 76], Operations: ['83-64=19', '57+19=76'] Exploring Operation: 91-76=15, Resulting Numbers: [15] 15,96 unequal: No Solution Exploring Operation: 91*76=6916, Resulting Numbers: [6916] 6916,96 unequal: No Solution Exploring Operation: 91+76=167, Resulting Numbers: [167] 167,96 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: 96:[83, 91, 7], Operations: ['64-57=7'] Exploring Operation: 91+7=98, Resulting Numbers: [83, 98] Generated Node #0,3,0: 96:[83, 98] Operation: 91+7=98 Exploring Operation: 83+7=90, Resulting Numbers: [91, 90] Generated Node #0,3,1: 96:[91, 90] Operation: 83+7=90 Exploring Operation: 83-7=76, Resulting Numbers: [91, 76] Generated Node #0,3,2: 96:[91, 76] Operation: 83-7=76 Exploring Operation: 91-83=8, Resulting Numbers: [7, 8] Generated Node #0,3,3: 96:[7, 8] Operation: 91-83=8 Exploring Operation: 91/7=13, Resulting Numbers: [83, 13] Generated Node #0,3,4: 96:[83, 13] Operation: 91/7=13 Moving to Node #0,3,3 Current State: 96:[7, 8], Operations: ['64-57=7', '91-83=8'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,96 unequal: No Solution Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,96 unequal: No Solution Moving to Node #0,3,1 Current State: 96:[91, 90], Operations: ['64-57=7', '83+7=90'] Exploring Operation: 91+90=181, Resulting Numbers: [181] 181,96 unequal: No Solution Exploring Operation: 91-90=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 91*90=8190, Resulting Numbers: [8190] 8190,96 unequal: No Solution Moving to Node #0,3,4 Current State: 96:[83, 13], Operations: ['64-57=7', '91/7=13'] Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[64, 57, 83, 91], Operations: [] Exploring Operation: 64-57=7, Resulting Numbers: [83, 91, 7] Generated Node #0,3: 96:[83, 91, 7] Operation: 64-57=7 Moving to Node #0,3 Current State: 96:[83, 91, 7], Operations: ['64-57=7'] Exploring Operation: 91/7=13, Resulting Numbers: [83, 13] Generated Node #0,3,4: 96:[83, 13] Operation: 91/7=13 Moving to Node #0,3,4 Current State: 96:[83, 13], Operations: ['64-57=7', '91/7=13'] Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 39, 62, 68, 93 ]
76
[ "39+62=101", "93-68=25", "101-25=76" ]
Current State: 76:[39, 62, 68, 93], Operations: [] Exploring Operation: 39+62=101, Resulting Numbers: [68, 93, 101] Generated Node #2: [68, 93, 101] from Operation: 39+62=101 Current State: 76:[68, 93, 101], Operations: ['39+62=101'] Exploring Operation: 93-68=25, Resulting Numbers: [101, 25] Generated Node #3: [101, 25] from Operation: 93-68=25 Current State: 76:[101, 25], Operations: ['39+62=101', '93-68=25'] Exploring Operation: 101-25=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[39, 62, 68, 93], Operations: [] Exploring Operation: 93-62=31, Resulting Numbers: [39, 68, 31] Generated Node #0,0: 76:[39, 68, 31] Operation: 93-62=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[39, 68, 31], Operations: ['93-62=31'] Exploring Operation: 68-31=37, Resulting Numbers: [39, 37] Generated Node #0,0,0: 76:[39, 37] Operation: 68-31=37 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[39, 37], Operations: ['93-62=31', '68-31=37'] Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[39, 62, 68, 93], Operations: [] Exploring Operation: 93-62=31, Resulting Numbers: [39, 68, 31] Generated Node #0,0: 76:[39, 68, 31] Operation: 93-62=31 Moving to Node #0,0 Current State: 76:[39, 68, 31], Operations: ['93-62=31'] Exploring Operation: 68-31=37, Resulting Numbers: [39, 37] Generated Node #0,0,0: 76:[39, 37] Operation: 68-31=37 Moving to Node #0,0,0 Current State: 76:[39, 37], Operations: ['93-62=31', '68-31=37'] Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 76, 56, 54, 72 ]
40
[ "76-72=4", "56/4=14", "54-14=40" ]
Current State: 40:[76, 56, 54, 72], Operations: [] Exploring Operation: 76-72=4, Resulting Numbers: [56, 54, 4] Generated Node #2: [56, 54, 4] from Operation: 76-72=4 Current State: 40:[56, 54, 4], Operations: ['76-72=4'] Exploring Operation: 56/4=14, Resulting Numbers: [54, 14] Generated Node #3: [54, 14] from Operation: 56/4=14 Current State: 40:[54, 14], Operations: ['76-72=4', '56/4=14'] Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[76, 56, 54, 72], Operations: [] Exploring Operation: 76-56=20, Resulting Numbers: [54, 72, 20] Generated Node #0,0: 40:[54, 72, 20] Operation: 76-56=20 Exploring Operation: 76-72=4, Resulting Numbers: [56, 54, 4] Generated Node #0,1: 40:[56, 54, 4] Operation: 76-72=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[56, 54, 4], Operations: ['76-72=4'] Exploring Operation: 56/4=14, Resulting Numbers: [54, 14] Generated Node #0,1,0: 40:[54, 14] Operation: 56/4=14 Exploring Operation: 56-54=2, Resulting Numbers: [4, 2] Generated Node #0,1,1: 40:[4, 2] Operation: 56-54=2 Moving to Node #0,1,1 Current State: 40:[4, 2], Operations: ['76-72=4', '56-54=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,40 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,40 unequal: No Solution Moving to Node #0,1,0 Current State: 40:[54, 14], Operations: ['76-72=4', '56/4=14'] Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[76, 56, 54, 72], Operations: [] Exploring Operation: 76-72=4, Resulting Numbers: [56, 54, 4] Generated Node #0,1: 40:[56, 54, 4] Operation: 76-72=4 Moving to Node #0,1 Current State: 40:[56, 54, 4], Operations: ['76-72=4'] Exploring Operation: 56/4=14, Resulting Numbers: [54, 14] Generated Node #0,1,0: 40:[54, 14] Operation: 56/4=14 Moving to Node #0,1,0 Current State: 40:[54, 14], Operations: ['76-72=4', '56/4=14'] Exploring Operation: 54-14=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 73, 19, 36, 31 ]
25
[ "73+19=92", "36+31=67", "92-67=25" ]
Current State: 25:[73, 19, 36, 31], Operations: [] Exploring Operation: 73+19=92, Resulting Numbers: [36, 31, 92] Generated Node #2: [36, 31, 92] from Operation: 73+19=92 Current State: 25:[36, 31, 92], Operations: ['73+19=92'] Exploring Operation: 36+31=67, Resulting Numbers: [92, 67] Generated Node #3: [92, 67] from Operation: 36+31=67 Current State: 25:[92, 67], Operations: ['73+19=92', '36+31=67'] Exploring Operation: 92-67=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[73, 19, 36, 31], Operations: [] Exploring Operation: 73-36=37, Resulting Numbers: [19, 31, 37] Generated Node #0,0: 25:[19, 31, 37] Operation: 73-36=37 Moving to Node #0,0 Current State: 25:[19, 31, 37], Operations: ['73-36=37'] Exploring Operation: 37-31=6, Resulting Numbers: [19, 6] Generated Node #0,0,0: 25:[19, 6] Operation: 37-31=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[19, 6], Operations: ['73-36=37', '37-31=6'] Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[73, 19, 36, 31], Operations: [] Exploring Operation: 73-36=37, Resulting Numbers: [19, 31, 37] Generated Node #0,0: 25:[19, 31, 37] Operation: 73-36=37 Moving to Node #0,0 Current State: 25:[19, 31, 37], Operations: ['73-36=37'] Exploring Operation: 37-31=6, Resulting Numbers: [19, 6] Generated Node #0,0,0: 25:[19, 6] Operation: 37-31=6 Moving to Node #0,0,0 Current State: 25:[19, 6], Operations: ['73-36=37', '37-31=6'] Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 77, 71, 83, 9 ]
18
[ "71+83=154", "154/77=2", "9*2=18" ]
Current State: 18:[77, 71, 83, 9], Operations: [] Exploring Operation: 71+83=154, Resulting Numbers: [77, 9, 154] Generated Node #2: [77, 9, 154] from Operation: 71+83=154 Current State: 18:[77, 9, 154], Operations: ['71+83=154'] Exploring Operation: 154/77=2, Resulting Numbers: [9, 2] Generated Node #3: [9, 2] from Operation: 154/77=2 Current State: 18:[9, 2], Operations: ['71+83=154', '154/77=2'] Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[77, 71, 83, 9], Operations: [] Exploring Operation: 83-77=6, Resulting Numbers: [71, 9, 6] Generated Node #0,0: 18:[71, 9, 6] Operation: 83-77=6 Exploring Operation: 83-71=12, Resulting Numbers: [77, 9, 12] Generated Node #0,1: 18:[77, 9, 12] Operation: 83-71=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[71, 9, 6], Operations: ['83-77=6'] Exploring Operation: 71-6=65, Resulting Numbers: [9, 65] Generated Node #0,0,0: 18:[9, 65] Operation: 71-6=65 Exploring Operation: 71-9=62, Resulting Numbers: [6, 62] Generated Node #0,0,1: 18:[6, 62] Operation: 71-9=62 Moving to Node #0,0,1 Current State: 18:[6, 62], Operations: ['83-77=6', '71-9=62'] Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,18 unequal: No Solution Exploring Operation: 6+62=68, Resulting Numbers: [68] 68,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[9, 65], Operations: ['83-77=6', '71-6=65'] Exploring Operation: 65-9=56, Resulting Numbers: [56] 56,18 unequal: No Solution Exploring Operation: 9+65=74, Resulting Numbers: [74] 74,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[77, 9, 12], Operations: ['83-71=12'] Exploring Operation: 77-9=68, Resulting Numbers: [12, 68] Generated Node #0,1,0: 18:[12, 68] Operation: 77-9=68 Exploring Operation: 77-12=65, Resulting Numbers: [9, 65] Generated Node #0,1,1: 18:[9, 65] Operation: 77-12=65 Moving to Node #0,1,1 Current State: 18:[9, 65], Operations: ['83-71=12', '77-12=65'] Exploring Operation: 9+65=74, Resulting Numbers: [74] 74,18 unequal: No Solution Exploring Operation: 65-9=56, Resulting Numbers: [56] 56,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[12, 68], Operations: ['83-71=12', '77-9=68'] Exploring Operation: 12+68=80, Resulting Numbers: [80] 80,18 unequal: No Solution Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 31, 10, 84, 52 ]
62
[ "31*84=2604", "52-10=42", "2604/42=62" ]
Current State: 62:[31, 10, 84, 52], Operations: [] Exploring Operation: 31*84=2604, Resulting Numbers: [10, 52, 2604] Generated Node #2: [10, 52, 2604] from Operation: 31*84=2604 Current State: 62:[10, 52, 2604], Operations: ['31*84=2604'] Exploring Operation: 52-10=42, Resulting Numbers: [2604, 42] Generated Node #3: [2604, 42] from Operation: 52-10=42 Current State: 62:[2604, 42], Operations: ['31*84=2604', '52-10=42'] Exploring Operation: 2604/42=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[31, 10, 84, 52], Operations: [] Exploring Operation: 84-10=74, Resulting Numbers: [31, 52, 74] Generated Node #0,0: 62:[31, 52, 74] Operation: 84-10=74 Exploring Operation: 84-52=32, Resulting Numbers: [31, 10, 32] Generated Node #0,1: 62:[31, 10, 32] Operation: 84-52=32 Moving to Node #0,1 Current State: 62:[31, 10, 32], Operations: ['84-52=32'] Exploring Operation: 32-31=1, Resulting Numbers: [10, 1] Generated Node #0,1,0: 62:[10, 1] Operation: 32-31=1 Exploring Operation: 31+32=63, Resulting Numbers: [10, 63] Generated Node #0,1,1: 62:[10, 63] Operation: 31+32=63 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[10, 1], Operations: ['84-52=32', '32-31=1'] Exploring Operation: 10*1=10, Resulting Numbers: [10] 10,62 unequal: No Solution Exploring Operation: 10-1=9, Resulting Numbers: [9] 9,62 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 #0,1,1 Current State: 62:[10, 63], Operations: ['84-52=32', '31+32=63'] Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,62 unequal: No Solution Exploring Operation: 10+63=73, Resulting Numbers: [73] 73,62 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: 62:[31, 52, 74], Operations: ['84-10=74'] Exploring Operation: 74-52=22, Resulting Numbers: [31, 22] Generated Node #0,0,0: 62:[31, 22] Operation: 74-52=22 Exploring Operation: 52-31=21, Resulting Numbers: [74, 21] Generated Node #0,0,1: 62:[74, 21] Operation: 52-31=21 Moving to Node #0,0,0 Current State: 62:[31, 22], Operations: ['84-10=74', '74-52=22'] Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,62 unequal: No Solution Exploring Operation: 31+22=53, Resulting Numbers: [53] 53,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[74, 21], Operations: ['84-10=74', '52-31=21'] Exploring Operation: 74+21=95, Resulting Numbers: [95] 95,62 unequal: No Solution Exploring Operation: 74-21=53, Resulting Numbers: [53] 53,62 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 53, 14, 64, 43 ]
16
[ "53-14=39", "43-39=4", "64/4=16" ]
Current State: 16:[53, 14, 64, 43], Operations: [] Exploring Operation: 53-14=39, Resulting Numbers: [64, 43, 39] Generated Node #2: [64, 43, 39] from Operation: 53-14=39 Current State: 16:[64, 43, 39], Operations: ['53-14=39'] Exploring Operation: 43-39=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 43-39=4 Current State: 16:[64, 4], Operations: ['53-14=39', '43-39=4'] Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[53, 14, 64, 43], Operations: [] Exploring Operation: 64-53=11, Resulting Numbers: [14, 43, 11] Generated Node #0,0: 16:[14, 43, 11] Operation: 64-53=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[14, 43, 11], Operations: ['64-53=11'] Exploring Operation: 43-14=29, Resulting Numbers: [11, 29] Generated Node #0,0,0: 16:[11, 29] Operation: 43-14=29 Moving to Node #0,0,0 Current State: 16:[11, 29], Operations: ['64-53=11', '43-14=29'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 28, 24, 6, 8 ]
52
[ "28-24=4", "6*8=48", "4+48=52" ]
Current State: 52:[28, 24, 6, 8], Operations: [] Exploring Operation: 28-24=4, Resulting Numbers: [6, 8, 4] Generated Node #2: [6, 8, 4] from Operation: 28-24=4 Current State: 52:[6, 8, 4], Operations: ['28-24=4'] Exploring Operation: 6*8=48, Resulting Numbers: [4, 48] Generated Node #3: [4, 48] from Operation: 6*8=48 Current State: 52:[4, 48], Operations: ['28-24=4', '6*8=48'] Exploring Operation: 4+48=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[28, 24, 6, 8], Operations: [] Exploring Operation: 28-24=4, Resulting Numbers: [6, 8, 4] Generated Node #0,0: 52:[6, 8, 4] Operation: 28-24=4 Exploring Operation: 8-6=2, Resulting Numbers: [28, 24, 2] Generated Node #0,1: 52:[28, 24, 2] Operation: 8-6=2 Exploring Operation: 28+24=52, Resulting Numbers: [6, 8, 52] Generated Node #0,2: 52:[6, 8, 52] Operation: 28+24=52 Exploring Operation: 24/8=3, Resulting Numbers: [28, 6, 3] Generated Node #0,3: 52:[28, 6, 3] Operation: 24/8=3 Exploring Operation: 6+8=14, Resulting Numbers: [28, 24, 14] Generated Node #0,4: 52:[28, 24, 14] Operation: 6+8=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[28, 24, 2], Operations: ['8-6=2'] Exploring Operation: 28-2=26, Resulting Numbers: [24, 26] Generated Node #0,1,0: 52:[24, 26] Operation: 28-2=26 Exploring Operation: 28/2=14, Resulting Numbers: [24, 14] Generated Node #0,1,1: 52:[24, 14] Operation: 28/2=14 Exploring Operation: 28-24=4, Resulting Numbers: [2, 4] Generated Node #0,1,2: 52:[2, 4] Operation: 28-24=4 Exploring Operation: 24+2=26, Resulting Numbers: [28, 26] Generated Node #0,1,3: 52:[28, 26] Operation: 24+2=26 Exploring Operation: 28+24=52, Resulting Numbers: [2, 52] Generated Node #0,1,4: 52:[2, 52] Operation: 28+24=52 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 52:[2, 4], Operations: ['8-6=2', '28-24=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,52 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 #0,1,4 Current State: 52:[2, 52], Operations: ['8-6=2', '28+24=52'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 2*52=104, Resulting Numbers: [104] 104,52 unequal: No Solution Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,52 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 #0,1,0 Current State: 52:[24, 26], Operations: ['8-6=2', '28-2=26'] Exploring Operation: 24*26=624, Resulting Numbers: [624] 624,52 unequal: No Solution Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,52 unequal: No Solution Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,52 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 #0,1,3 Current State: 52:[28, 26], Operations: ['8-6=2', '24+2=26'] Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,52 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:[24, 14], Operations: ['8-6=2', '28/2=14'] Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,52 unequal: No Solution Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,52 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 #0,3 Current State: 52:[28, 6, 3], Operations: ['24/8=3'] Exploring Operation: 6/3=2, Resulting Numbers: [28, 2] Generated Node #0,3,0: 52:[28, 2] Operation: 6/3=2 Exploring Operation: 28-3=25, Resulting Numbers: [6, 25] Generated Node #0,3,1: 52:[6, 25] Operation: 28-3=25 Exploring Operation: 6+3=9, Resulting Numbers: [28, 9] Generated Node #0,3,2: 52:[28, 9] Operation: 6+3=9 Exploring Operation: 28-6=22, Resulting Numbers: [3, 22] Generated Node #0,3,3: 52:[3, 22] Operation: 28-6=22 Exploring Operation: 6-3=3, Resulting Numbers: [28, 3] Generated Node #0,3,4: 52:[28, 3] Operation: 6-3=3 Moving to Node #0,3,0 Current State: 52:[28, 2], Operations: ['24/8=3', '6/3=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,52 unequal: No Solution Exploring Operation: 28*2=56, Resulting Numbers: [56] 56,52 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,52 unequal: No Solution Moving to Node #0,3,4 Current State: 52:[28, 3], Operations: ['24/8=3', '6-3=3'] Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,52 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,52 unequal: No Solution Moving to Node #0,3,1 Current State: 52:[6, 25], Operations: ['24/8=3', '28-3=25'] Exploring Operation: 6*25=150, Resulting Numbers: [150] 150,52 unequal: No Solution Exploring Operation: 6+25=31, Resulting Numbers: [31] 31,52 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,52 unequal: No Solution Moving to Node #0,3,3 Current State: 52:[3, 22], Operations: ['24/8=3', '28-6=22'] Exploring Operation: 3*22=66, Resulting Numbers: [66] 66,52 unequal: No Solution Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,52 unequal: No Solution Exploring Operation: 3+22=25, Resulting Numbers: [25] 25,52 unequal: No Solution Moving to Node #0,3,2 Current State: 52:[28, 9], Operations: ['24/8=3', '6+3=9'] Exploring Operation: 28+9=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 28*9=252, Resulting Numbers: [252] 252,52 unequal: No Solution Exploring Operation: 28-9=19, Resulting Numbers: [19] 19,52 unequal: No Solution No 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: 52:[28, 24, 14], Operations: ['6+8=14'] Exploring Operation: 24-14=10, Resulting Numbers: [28, 10] Generated Node #0,4,0: 52:[28, 10] Operation: 24-14=10 Exploring Operation: 28-24=4, Resulting Numbers: [14, 4] Generated Node #0,4,1: 52:[14, 4] Operation: 28-24=4 Exploring Operation: 28+24=52, Resulting Numbers: [14, 52] Generated Node #0,4,2: 52:[14, 52] Operation: 28+24=52 Exploring Operation: 28/14=2, Resulting Numbers: [24, 2] Generated Node #0,4,3: 52:[24, 2] Operation: 28/14=2 Exploring Operation: 28-14=14, Resulting Numbers: [24, 14] Generated Node #0,4,4: 52:[24, 14] Operation: 28-14=14 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 52:[14, 4], Operations: ['6+8=14', '28-24=4'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 14+4=18, Resulting Numbers: [18] 18,52 unequal: No Solution Exploring Operation: 14*4=56, Resulting Numbers: [56] 56,52 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 #0,4,2 Current State: 52:[14, 52], Operations: ['6+8=14', '28+24=52'] Exploring Operation: 14*52=728, Resulting Numbers: [728] 728,52 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 14+52=66, Resulting Numbers: [66] 66,52 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 #0,4,3 Current State: 52:[24, 2], Operations: ['6+8=14', '28/14=2'] Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,52 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,52 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,52 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 #0,4,4 Current State: 52:[24, 14], Operations: ['6+8=14', '28-14=14'] Exploring Operation: 24+14=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 24*14=336, Resulting Numbers: [336] 336,52 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,52 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 #0,4,0 Current State: 52:[28, 10], Operations: ['6+8=14', '24-14=10'] Exploring Operation: 28-10=18, Resulting Numbers: [18] 18,52 unequal: No Solution Exploring Operation: 28*10=280, Resulting Numbers: [280] 280,52 unequal: No Solution Exploring Operation: 28+10=38, Resulting Numbers: [38] 38,52 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 #0,0 Current State: 52:[6, 8, 4], Operations: ['28-24=4'] Exploring Operation: 6+8=14, Resulting Numbers: [4, 14] Generated Node #0,0,0: 52:[4, 14] Operation: 6+8=14 Exploring Operation: 8-4=4, Resulting Numbers: [6, 4] Generated Node #0,0,1: 52:[6, 4] Operation: 8-4=4 Exploring Operation: 8+4=12, Resulting Numbers: [6, 12] Generated Node #0,0,2: 52:[6, 12] Operation: 8+4=12 Exploring Operation: 8-6=2, Resulting Numbers: [4, 2] Generated Node #0,0,3: 52:[4, 2] Operation: 8-6=2 Exploring Operation: 8/4=2, Resulting Numbers: [6, 2] Generated Node #0,0,4: 52:[6, 2] Operation: 8/4=2 Moving to Node #0,0,3 Current State: 52:[4, 2], Operations: ['28-24=4', '8-6=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[4, 14], Operations: ['28-24=4', '6+8=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,52 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[6, 4], Operations: ['28-24=4', '8-4=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,52 unequal: No Solution Moving to Node #0,0,4 Current State: 52:[6, 2], Operations: ['28-24=4', '8/4=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[6, 12], Operations: ['28-24=4', '8+4=12'] Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,52 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,52 unequal: No Solution No 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: 52:[6, 8, 52], Operations: ['28+24=52'] Exploring Operation: 6*8=48, Resulting Numbers: [52, 48] Generated Node #0,2,0: 52:[52, 48] Operation: 6*8=48 Exploring Operation: 52-6=46, Resulting Numbers: [8, 46] Generated Node #0,2,1: 52:[8, 46] Operation: 52-6=46 Exploring Operation: 8-6=2, Resulting Numbers: [52, 2] Generated Node #0,2,2: 52:[52, 2] Operation: 8-6=2 Exploring Operation: 6+8=14, Resulting Numbers: [52, 14] Generated Node #0,2,3: 52:[52, 14] Operation: 6+8=14 Exploring Operation: 6+52=58, Resulting Numbers: [8, 58] Generated Node #0,2,4: 52:[8, 58] Operation: 6+52=58 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 52:[52, 2], Operations: ['28+24=52', '8-6=2'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,52 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 52*2=104, Resulting Numbers: [104] 104,52 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 #0,2,3 Current State: 52:[52, 14], Operations: ['28+24=52', '6+8=14'] Exploring Operation: 52*14=728, Resulting Numbers: [728] 728,52 unequal: No Solution Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,52 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,52 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 #0,2,0 Current State: 52:[52, 48], Operations: ['28+24=52', '6*8=48'] Exploring Operation: 52-48=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 52*48=2496, Resulting Numbers: [2496] 2496,52 unequal: No Solution Exploring Operation: 52+48=100, Resulting Numbers: [100] 100,52 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 #0,2,1 Current State: 52:[8, 46], Operations: ['28+24=52', '52-6=46'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,52 unequal: No Solution Exploring Operation: 8*46=368, Resulting Numbers: [368] 368,52 unequal: No Solution Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,52 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 #0,2,4 Current State: 52:[8, 58], Operations: ['28+24=52', '6+52=58'] Exploring Operation: 8+58=66, Resulting Numbers: [66] 66,52 unequal: No Solution Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,52 unequal: No Solution Exploring Operation: 8*58=464, Resulting Numbers: [464] 464,52 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 No solution found.
0
hs_5
sum_heuristic
[ 38, 21, 13, 19 ]
27
[ "38+21=59", "13+19=32", "59-32=27" ]
Current State: 27:[38, 21, 13, 19], Operations: [] Exploring Operation: 38+21=59, Resulting Numbers: [13, 19, 59] Generated Node #2: [13, 19, 59] from Operation: 38+21=59 Current State: 27:[13, 19, 59], Operations: ['38+21=59'] Exploring Operation: 13+19=32, Resulting Numbers: [59, 32] Generated Node #3: [59, 32] from Operation: 13+19=32 Current State: 27:[59, 32], Operations: ['38+21=59', '13+19=32'] Exploring Operation: 59-32=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[38, 21, 13, 19], Operations: [] Exploring Operation: 38-19=19, Resulting Numbers: [21, 13, 19] Generated Node #0,0: 27:[21, 13, 19] Operation: 38-19=19 Exploring Operation: 38-21=17, Resulting Numbers: [13, 19, 17] Generated Node #0,1: 27:[13, 19, 17] Operation: 38-21=17 Exploring Operation: 21-19=2, Resulting Numbers: [38, 13, 2] Generated Node #0,2: 27:[38, 13, 2] Operation: 21-19=2 Exploring Operation: 38-13=25, Resulting Numbers: [21, 19, 25] Generated Node #0,3: 27:[21, 19, 25] Operation: 38-13=25 Exploring Operation: 38/19=2, Resulting Numbers: [21, 13, 2] Generated Node #0,4: 27:[21, 13, 2] Operation: 38/19=2 Start Sub Search at level 1: Moving to Node #0,4 Current State: 27:[21, 13, 2], Operations: ['38/19=2'] Exploring Operation: 13-2=11, Resulting Numbers: [21, 11] Generated Node #0,4,0: 27:[21, 11] Operation: 13-2=11 Exploring Operation: 21+2=23, Resulting Numbers: [13, 23] Generated Node #0,4,1: 27:[13, 23] Operation: 21+2=23 Exploring Operation: 21+13=34, Resulting Numbers: [2, 34] Generated Node #0,4,2: 27:[2, 34] Operation: 21+13=34 Exploring Operation: 13*2=26, Resulting Numbers: [21, 26] Generated Node #0,4,3: 27:[21, 26] Operation: 13*2=26 Exploring Operation: 21-13=8, Resulting Numbers: [2, 8] Generated Node #0,4,4: 27:[2, 8] Operation: 21-13=8 Moving to Node #0,4,4 Current State: 27:[2, 8], Operations: ['38/19=2', '21-13=8'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,27 unequal: No Solution Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 2*8=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,27 unequal: No Solution Moving to Node #0,4,3 Current State: 27:[21, 26], Operations: ['38/19=2', '13*2=26'] Exploring Operation: 21+26=47, Resulting Numbers: [47] 47,27 unequal: No Solution Exploring Operation: 26-21=5, Resulting Numbers: [5] 5,27 unequal: No Solution Exploring Operation: 21*26=546, Resulting Numbers: [546] 546,27 unequal: No Solution Moving to Node #0,4,0 Current State: 27:[21, 11], Operations: ['38/19=2', '13-2=11'] Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,27 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,27 unequal: No Solution Moving to Node #0,4,1 Current State: 27:[13, 23], Operations: ['38/19=2', '21+2=23'] Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,27 unequal: No Solution Exploring Operation: 13*23=299, Resulting Numbers: [299] 299,27 unequal: No Solution Moving to Node #0,4,2 Current State: 27:[2, 34], Operations: ['38/19=2', '21+13=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,27 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[38, 13, 2], Operations: ['21-19=2'] Exploring Operation: 38-13=25, Resulting Numbers: [2, 25] Generated Node #0,2,0: 27:[2, 25] Operation: 38-13=25 Exploring Operation: 38-2=36, Resulting Numbers: [13, 36] Generated Node #0,2,1: 27:[13, 36] Operation: 38-2=36 Exploring Operation: 38/2=19, Resulting Numbers: [13, 19] Generated Node #0,2,2: 27:[13, 19] Operation: 38/2=19 Exploring Operation: 13-2=11, Resulting Numbers: [38, 11] Generated Node #0,2,3: 27:[38, 11] Operation: 13-2=11 Exploring Operation: 13*2=26, Resulting Numbers: [38, 26] Generated Node #0,2,4: 27:[38, 26] Operation: 13*2=26 Moving to Node #0,2,0 Current State: 27:[2, 25], Operations: ['21-19=2', '38-13=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[38, 21, 13, 19], Operations: [] Exploring Operation: 21-19=2, Resulting Numbers: [38, 13, 2] Generated Node #0,2: 27:[38, 13, 2] Operation: 21-19=2 Moving to Node #0,2 Current State: 27:[38, 13, 2], Operations: ['21-19=2'] Exploring Operation: 38-13=25, Resulting Numbers: [2, 25] Generated Node #0,2,0: 27:[2, 25] Operation: 38-13=25 Moving to Node #0,2,0 Current State: 27:[2, 25], Operations: ['21-19=2', '38-13=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic
[ 12, 27, 63, 55 ]
83
[ "12*63=756", "756/27=28", "55+28=83" ]
Current State: 83:[12, 27, 63, 55], Operations: [] Exploring Operation: 12*63=756, Resulting Numbers: [27, 55, 756] Generated Node #2: [27, 55, 756] from Operation: 12*63=756 Current State: 83:[27, 55, 756], Operations: ['12*63=756'] Exploring Operation: 756/27=28, Resulting Numbers: [55, 28] Generated Node #3: [55, 28] from Operation: 756/27=28 Current State: 83:[55, 28], Operations: ['12*63=756', '756/27=28'] Exploring Operation: 55+28=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[12, 27, 63, 55], Operations: [] Exploring Operation: 12+27=39, Resulting Numbers: [63, 55, 39] Generated Node #0,0: 83:[63, 55, 39] Operation: 12+27=39 Exploring Operation: 27+55=82, Resulting Numbers: [12, 63, 82] Generated Node #0,1: 83:[12, 63, 82] Operation: 27+55=82 Exploring Operation: 12+63=75, Resulting Numbers: [27, 55, 75] Generated Node #0,2: 83:[27, 55, 75] Operation: 12+63=75 Exploring Operation: 12+55=67, Resulting Numbers: [27, 63, 67] Generated Node #0,3: 83:[27, 63, 67] Operation: 12+55=67 Moving to Node #0,0 Current State: 83:[63, 55, 39], Operations: ['12+27=39'] Exploring Operation: 63-39=24, Resulting Numbers: [55, 24] Generated Node #0,0,0: 83:[55, 24] Operation: 63-39=24 Exploring Operation: 63+55=118, Resulting Numbers: [39, 118] Generated Node #0,0,1: 83:[39, 118] Operation: 63+55=118 Exploring Operation: 63+39=102, Resulting Numbers: [55, 102] Generated Node #0,0,2: 83:[55, 102] Operation: 63+39=102 Exploring Operation: 55+39=94, Resulting Numbers: [63, 94] Generated Node #0,0,3: 83:[63, 94] Operation: 55+39=94 Moving to Node #0,2 Current State: 83:[27, 55, 75], Operations: ['12+63=75'] Exploring Operation: 27+55=82, Resulting Numbers: [75, 82] Generated Node #0,2,0: 83:[75, 82] Operation: 27+55=82 Exploring Operation: 75-27=48, Resulting Numbers: [55, 48] Generated Node #0,2,1: 83:[55, 48] Operation: 75-27=48 Exploring Operation: 55-27=28, Resulting Numbers: [75, 28] Generated Node #0,2,2: 83:[75, 28] Operation: 55-27=28 Exploring Operation: 27+75=102, Resulting Numbers: [55, 102] Generated Node #0,2,3: 83:[55, 102] Operation: 27+75=102 Moving to Node #0,1 Current State: 83:[12, 63, 82], Operations: ['27+55=82'] Exploring Operation: 82-12=70, Resulting Numbers: [63, 70] Generated Node #0,1,0: 83:[63, 70] Operation: 82-12=70 Exploring Operation: 12+63=75, Resulting Numbers: [82, 75] Generated Node #0,1,1: 83:[82, 75] Operation: 12+63=75 Exploring Operation: 12+82=94, Resulting Numbers: [63, 94] Generated Node #0,1,2: 83:[63, 94] Operation: 12+82=94 Exploring Operation: 63-12=51, Resulting Numbers: [82, 51] Generated Node #0,1,3: 83:[82, 51] Operation: 63-12=51 Moving to Node #0,3 Current State: 83:[27, 63, 67], Operations: ['12+55=67'] Exploring Operation: 63-27=36, Resulting Numbers: [67, 36] Generated Node #0,3,0: 83:[67, 36] Operation: 63-27=36 Exploring Operation: 27+67=94, Resulting Numbers: [63, 94] Generated Node #0,3,1: 83:[63, 94] Operation: 27+67=94 Exploring Operation: 67-27=40, Resulting Numbers: [63, 40] Generated Node #0,3,2: 83:[63, 40] Operation: 67-27=40 Exploring Operation: 27+63=90, Resulting Numbers: [67, 90] Generated Node #0,3,3: 83:[67, 90] Operation: 27+63=90 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 83:[67, 90], Operations: ['12+55=67', '27+63=90'] Exploring Operation: 67*90=6030, Resulting Numbers: [6030] 6030,83 unequal: No Solution Exploring Operation: 67+90=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 90-67=23, Resulting Numbers: [23] 23,83 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 #0,3,1 Current State: 83:[63, 94], Operations: ['12+55=67', '27+67=94'] Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,83 unequal: No Solution Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,83 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 #0,3,0 Current State: 83:[67, 36], Operations: ['12+55=67', '63-27=36'] Exploring Operation: 67*36=2412, Resulting Numbers: [2412] 2412,83 unequal: No Solution Exploring Operation: 67+36=103, Resulting Numbers: [103] 103,83 unequal: No Solution Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,83 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 #0,3,2 Current State: 83:[63, 40], Operations: ['12+55=67', '67-27=40'] Exploring Operation: 63-40=23, Resulting Numbers: [23] 23,83 unequal: No Solution Exploring Operation: 63*40=2520, Resulting Numbers: [2520] 2520,83 unequal: No Solution Exploring Operation: 63+40=103, Resulting Numbers: [103] 103,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 83:[75, 82], Operations: ['12+63=75', '27+55=82'] Exploring Operation: 82-75=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 75*82=6150, Resulting Numbers: [6150] 6150,83 unequal: No Solution Exploring Operation: 75+82=157, Resulting Numbers: [157] 157,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[82, 75], Operations: ['27+55=82', '12+63=75'] Exploring Operation: 82-75=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 82+75=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 82*75=6150, Resulting Numbers: [6150] 6150,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[63, 94], Operations: ['27+55=82', '12+82=94'] Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,83 unequal: No Solution Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,83 unequal: No Solution Moving to Node #0,0,3 Current State: 83:[63, 94], Operations: ['12+27=39', '55+39=94'] Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[82, 51], Operations: ['27+55=82', '63-12=51'] Exploring Operation: 82+51=133, Resulting Numbers: [133] 133,83 unequal: No Solution Exploring Operation: 82-51=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 82*51=4182, Resulting Numbers: [4182] 4182,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[63, 70], Operations: ['27+55=82', '82-12=70'] Exploring Operation: 63*70=4410, Resulting Numbers: [4410] 4410,83 unequal: No Solution Exploring Operation: 70-63=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 63+70=133, Resulting Numbers: [133] 133,83 unequal: No Solution Moving to Node #0,2,3 Current State: 83:[55, 102], Operations: ['12+63=75', '27+75=102'] Exploring Operation: 55+102=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 102-55=47, Resulting Numbers: [47] 47,83 unequal: No Solution Exploring Operation: 55*102=5610, Resulting Numbers: [5610] 5610,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[55, 102], Operations: ['12+27=39', '63+39=102'] Exploring Operation: 55+102=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 102-55=47, Resulting Numbers: [47] 47,83 unequal: No Solution Exploring Operation: 55*102=5610, Resulting Numbers: [5610] 5610,83 unequal: No Solution Moving to Node #0,2,1 Current State: 83:[55, 48], Operations: ['12+63=75', '75-27=48'] Exploring Operation: 55-48=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 55+48=103, Resulting Numbers: [103] 103,83 unequal: No Solution Exploring Operation: 55*48=2640, Resulting Numbers: [2640] 2640,83 unequal: No Solution Moving to Node #0,2,2 Current State: 83:[75, 28], Operations: ['12+63=75', '55-27=28'] Exploring Operation: 75-28=47, Resulting Numbers: [47] 47,83 unequal: No Solution Exploring Operation: 75+28=103, Resulting Numbers: [103] 103,83 unequal: No Solution Exploring Operation: 75*28=2100, Resulting Numbers: [2100] 2100,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[39, 118], Operations: ['12+27=39', '63+55=118'] Exploring Operation: 39*118=4602, Resulting Numbers: [4602] 4602,83 unequal: No Solution Exploring Operation: 39+118=157, Resulting Numbers: [157] 157,83 unequal: No Solution Exploring Operation: 118-39=79, Resulting Numbers: [79] 79,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[55, 24], Operations: ['12+27=39', '63-39=24'] Exploring Operation: 55+24=79, Resulting Numbers: [79] 79,83 unequal: No Solution Exploring Operation: 55-24=31, Resulting Numbers: [31] 31,83 unequal: No Solution Exploring Operation: 55*24=1320, Resulting Numbers: [1320] 1320,83 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 88, 82, 5, 7 ]
77
[ "88-82=6", "5+6=11", "7*11=77" ]
Current State: 77:[88, 82, 5, 7], Operations: [] Exploring Operation: 88-82=6, Resulting Numbers: [5, 7, 6] Generated Node #2: [5, 7, 6] from Operation: 88-82=6 Current State: 77:[5, 7, 6], Operations: ['88-82=6'] Exploring Operation: 5+6=11, Resulting Numbers: [7, 11] Generated Node #3: [7, 11] from Operation: 5+6=11 Current State: 77:[7, 11], Operations: ['88-82=6', '5+6=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[88, 82, 5, 7], Operations: [] Exploring Operation: 88-5=83, Resulting Numbers: [82, 7, 83] Generated Node #0,0: 77:[82, 7, 83] Operation: 88-5=83 Exploring Operation: 88-7=81, Resulting Numbers: [82, 5, 81] Generated Node #0,1: 77:[82, 5, 81] Operation: 88-7=81 Exploring Operation: 82-5=77, Resulting Numbers: [88, 7, 77] Generated Node #0,2: 77:[88, 7, 77] Operation: 82-5=77 Exploring Operation: 88-82=6, Resulting Numbers: [5, 7, 6] Generated Node #0,3: 77:[5, 7, 6] Operation: 88-82=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 77:[5, 7, 6], Operations: ['88-82=6'] Exploring Operation: 7+6=13, Resulting Numbers: [5, 13] Generated Node #0,3,0: 77:[5, 13] Operation: 7+6=13 Exploring Operation: 5+7=12, Resulting Numbers: [6, 12] Generated Node #0,3,1: 77:[6, 12] Operation: 5+7=12 Exploring Operation: 7-5=2, Resulting Numbers: [6, 2] Generated Node #0,3,2: 77:[6, 2] Operation: 7-5=2 Exploring Operation: 5+6=11, Resulting Numbers: [7, 11] Generated Node #0,3,3: 77:[7, 11] Operation: 5+6=11 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 77:[7, 11], Operations: ['88-82=6', '5+6=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[88, 82, 5, 7], Operations: [] Exploring Operation: 88-82=6, Resulting Numbers: [5, 7, 6] Generated Node #0,3: 77:[5, 7, 6] Operation: 88-82=6 Moving to Node #0,3 Current State: 77:[5, 7, 6], Operations: ['88-82=6'] Exploring Operation: 5+6=11, Resulting Numbers: [7, 11] Generated Node #0,3,3: 77:[7, 11] Operation: 5+6=11 Moving to Node #0,3,3 Current State: 77:[7, 11], Operations: ['88-82=6', '5+6=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 20, 82, 40, 49 ]
98
[ "49-40=9", "20*9=180", "180-82=98" ]
Current State: 98:[20, 82, 40, 49], Operations: [] Exploring Operation: 49-40=9, Resulting Numbers: [20, 82, 9] Generated Node #2: [20, 82, 9] from Operation: 49-40=9 Current State: 98:[20, 82, 9], Operations: ['49-40=9'] Exploring Operation: 20*9=180, Resulting Numbers: [82, 180] Generated Node #3: [82, 180] from Operation: 20*9=180 Current State: 98:[82, 180], Operations: ['49-40=9', '20*9=180'] Exploring Operation: 180-82=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[20, 82, 40, 49], Operations: [] Exploring Operation: 20+82=102, Resulting Numbers: [40, 49, 102] Generated Node #0,0: 98:[40, 49, 102] Operation: 20+82=102 Moving to Node #0,0 Current State: 98:[40, 49, 102], Operations: ['20+82=102'] Exploring Operation: 49-40=9, Resulting Numbers: [102, 9] Generated Node #0,0,0: 98:[102, 9] Operation: 49-40=9 Moving to Node #0,0,0 Current State: 98:[102, 9], Operations: ['20+82=102', '49-40=9'] Exploring Operation: 102-9=93, Resulting Numbers: [93] 93,98 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 7, 20, 85, 44 ]
83
[ "44-20=24", "7*24=168", "168-85=83" ]
Current State: 83:[7, 20, 85, 44], Operations: [] Exploring Operation: 44-20=24, Resulting Numbers: [7, 85, 24] Generated Node #2: [7, 85, 24] from Operation: 44-20=24 Current State: 83:[7, 85, 24], Operations: ['44-20=24'] Exploring Operation: 7*24=168, Resulting Numbers: [85, 168] Generated Node #3: [85, 168] from Operation: 7*24=168 Current State: 83:[85, 168], Operations: ['44-20=24', '7*24=168'] Exploring Operation: 168-85=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[7, 20, 85, 44], Operations: [] Exploring Operation: 7+44=51, Resulting Numbers: [20, 85, 51] Generated Node #0,0: 83:[20, 85, 51] Operation: 7+44=51 Exploring Operation: 7+20=27, Resulting Numbers: [85, 44, 27] Generated Node #0,1: 83:[85, 44, 27] Operation: 7+20=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[20, 85, 51], Operations: ['7+44=51'] Exploring Operation: 20+51=71, Resulting Numbers: [85, 71] Generated Node #0,0,0: 83:[85, 71] Operation: 20+51=71 Exploring Operation: 85-20=65, Resulting Numbers: [51, 65] Generated Node #0,0,1: 83:[51, 65] Operation: 85-20=65 Moving to Node #0,0,0 Current State: 83:[85, 71], Operations: ['7+44=51', '20+51=71'] Exploring Operation: 85+71=156, Resulting Numbers: [156] 156,83 unequal: No Solution Exploring Operation: 85-71=14, Resulting Numbers: [14] 14,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[51, 65], Operations: ['7+44=51', '85-20=65'] Exploring Operation: 51+65=116, Resulting Numbers: [116] 116,83 unequal: No Solution Exploring Operation: 65-51=14, Resulting Numbers: [14] 14,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[85, 44, 27], Operations: ['7+20=27'] Exploring Operation: 44+27=71, Resulting Numbers: [85, 71] Generated Node #0,1,0: 83:[85, 71] Operation: 44+27=71 Exploring Operation: 85-27=58, Resulting Numbers: [44, 58] Generated Node #0,1,1: 83:[44, 58] Operation: 85-27=58 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 83:[85, 71], Operations: ['7+20=27', '44+27=71'] Exploring Operation: 85+71=156, Resulting Numbers: [156] 156,83 unequal: No Solution Exploring Operation: 85-71=14, Resulting Numbers: [14] 14,83 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 #0,1,1 Current State: 83:[44, 58], Operations: ['7+20=27', '85-27=58'] Exploring Operation: 58-44=14, Resulting Numbers: [14] 14,83 unequal: No Solution Exploring Operation: 44+58=102, Resulting Numbers: [102] 102,83 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_2
sum_heuristic
[ 65, 51, 39, 57 ]
20
[ "65+51=116", "39+57=96", "116-96=20" ]
Current State: 20:[65, 51, 39, 57], Operations: [] Exploring Operation: 65+51=116, Resulting Numbers: [39, 57, 116] Generated Node #2: [39, 57, 116] from Operation: 65+51=116 Current State: 20:[39, 57, 116], Operations: ['65+51=116'] Exploring Operation: 39+57=96, Resulting Numbers: [116, 96] Generated Node #3: [116, 96] from Operation: 39+57=96 Current State: 20:[116, 96], Operations: ['65+51=116', '39+57=96'] Exploring Operation: 116-96=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[65, 51, 39, 57], Operations: [] Exploring Operation: 57-51=6, Resulting Numbers: [65, 39, 6] Generated Node #0,0: 20:[65, 39, 6] Operation: 57-51=6 Exploring Operation: 65-51=14, Resulting Numbers: [39, 57, 14] Generated Node #0,1: 20:[39, 57, 14] Operation: 65-51=14 Exploring Operation: 65-57=8, Resulting Numbers: [51, 39, 8] Generated Node #0,2: 20:[51, 39, 8] Operation: 65-57=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 20:[51, 39, 8], Operations: ['65-57=8'] Exploring Operation: 39-8=31, Resulting Numbers: [51, 31] Generated Node #0,2,0: 20:[51, 31] Operation: 39-8=31 Exploring Operation: 51-39=12, Resulting Numbers: [8, 12] Generated Node #0,2,1: 20:[8, 12] Operation: 51-39=12 Exploring Operation: 51-8=43, Resulting Numbers: [39, 43] Generated Node #0,2,2: 20:[39, 43] Operation: 51-8=43 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 20:[8, 12], Operations: ['65-57=8', '51-39=12'] Exploring Operation: 8*12=96, Resulting Numbers: [96] 96,20 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[65, 51, 39, 57], Operations: [] Exploring Operation: 65-57=8, Resulting Numbers: [51, 39, 8] Generated Node #0,2: 20:[51, 39, 8] Operation: 65-57=8 Moving to Node #0,2 Current State: 20:[51, 39, 8], Operations: ['65-57=8'] Exploring Operation: 51-39=12, Resulting Numbers: [8, 12] Generated Node #0,2,1: 20:[8, 12] Operation: 51-39=12 Moving to Node #0,2,1 Current State: 20:[8, 12], Operations: ['65-57=8', '51-39=12'] Exploring Operation: 8+12=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 5, 30, 38, 91 ]
47
[ "30/5=6", "91-38=53", "53-6=47" ]
Current State: 47:[5, 30, 38, 91], Operations: [] Exploring Operation: 30/5=6, Resulting Numbers: [38, 91, 6] Generated Node #2: [38, 91, 6] from Operation: 30/5=6 Current State: 47:[38, 91, 6], Operations: ['30/5=6'] Exploring Operation: 91-38=53, Resulting Numbers: [6, 53] Generated Node #3: [6, 53] from Operation: 91-38=53 Current State: 47:[6, 53], Operations: ['30/5=6', '91-38=53'] Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[5, 30, 38, 91], Operations: [] Exploring Operation: 5+38=43, Resulting Numbers: [30, 91, 43] Generated Node #0,0: 47:[30, 91, 43] Operation: 5+38=43 Exploring Operation: 5+30=35, Resulting Numbers: [38, 91, 35] Generated Node #0,1: 47:[38, 91, 35] Operation: 5+30=35 Exploring Operation: 91-5=86, Resulting Numbers: [30, 38, 86] Generated Node #0,2: 47:[30, 38, 86] Operation: 91-5=86 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[30, 91, 43], Operations: ['5+38=43'] Exploring Operation: 91-43=48, Resulting Numbers: [30, 48] Generated Node #0,0,0: 47:[30, 48] Operation: 91-43=48 Exploring Operation: 91-30=61, Resulting Numbers: [43, 61] Generated Node #0,0,1: 47:[43, 61] Operation: 91-30=61 Exploring Operation: 30+43=73, Resulting Numbers: [91, 73] Generated Node #0,0,2: 47:[91, 73] Operation: 30+43=73 Moving to Node #0,0,0 Current State: 47:[30, 48], Operations: ['5+38=43', '91-43=48'] Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,47 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,47 unequal: No Solution Moving to Node #0,0,1 Current State: 47:[43, 61], Operations: ['5+38=43', '91-30=61'] Exploring Operation: 43+61=104, Resulting Numbers: [104] 104,47 unequal: No Solution Exploring Operation: 61-43=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 43*61=2623, Resulting Numbers: [2623] 2623,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[91, 73], Operations: ['5+38=43', '30+43=73'] Exploring Operation: 91-73=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 91+73=164, Resulting Numbers: [164] 164,47 unequal: No Solution Exploring Operation: 91*73=6643, Resulting Numbers: [6643] 6643,47 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:[38, 91, 35], Operations: ['5+30=35'] Exploring Operation: 91-35=56, Resulting Numbers: [38, 56] Generated Node #0,1,0: 47:[38, 56] Operation: 91-35=56 Exploring Operation: 38+35=73, Resulting Numbers: [91, 73] Generated Node #0,1,1: 47:[91, 73] Operation: 38+35=73 Exploring Operation: 91-38=53, Resulting Numbers: [35, 53] Generated Node #0,1,2: 47:[35, 53] Operation: 91-38=53 Moving to Node #0,1,0 Current State: 47:[38, 56], Operations: ['5+30=35', '91-35=56'] Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 38*56=2128, Resulting Numbers: [2128] 2128,47 unequal: No Solution Exploring Operation: 38+56=94, Resulting Numbers: [94] 94,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[35, 53], Operations: ['5+30=35', '91-38=53'] Exploring Operation: 35*53=1855, Resulting Numbers: [1855] 1855,47 unequal: No Solution Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 35+53=88, Resulting Numbers: [88] 88,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[91, 73], Operations: ['5+30=35', '38+35=73'] Exploring Operation: 91+73=164, Resulting Numbers: [164] 164,47 unequal: No Solution Exploring Operation: 91*73=6643, Resulting Numbers: [6643] 6643,47 unequal: No Solution Exploring Operation: 91-73=18, Resulting Numbers: [18] 18,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[30, 38, 86], Operations: ['91-5=86'] Exploring Operation: 86-30=56, Resulting Numbers: [38, 56] Generated Node #0,2,0: 47:[38, 56] Operation: 86-30=56 Exploring Operation: 86-38=48, Resulting Numbers: [30, 48] Generated Node #0,2,1: 47:[30, 48] Operation: 86-38=48 Exploring Operation: 30+38=68, Resulting Numbers: [86, 68] Generated Node #0,2,2: 47:[86, 68] Operation: 30+38=68 Moving to Node #0,2,0 Current State: 47:[38, 56], Operations: ['91-5=86', '86-30=56'] Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 38*56=2128, Resulting Numbers: [2128] 2128,47 unequal: No Solution Exploring Operation: 38+56=94, Resulting Numbers: [94] 94,47 unequal: No Solution Moving to Node #0,2,1 Current State: 47:[30, 48], Operations: ['91-5=86', '86-38=48'] Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,47 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,47 unequal: No Solution Moving to Node #0,2,2 Current State: 47:[86, 68], Operations: ['91-5=86', '30+38=68'] Exploring Operation: 86-68=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 86*68=5848, Resulting Numbers: [5848] 5848,47 unequal: No Solution Exploring Operation: 86+68=154, Resulting Numbers: [154] 154,47 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
[ 97, 73, 21, 84 ]
20
[ "97-73=24", "84/21=4", "24-4=20" ]
Current State: 20:[97, 73, 21, 84], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [21, 84, 24] Generated Node #2: [21, 84, 24] from Operation: 97-73=24 Current State: 20:[21, 84, 24], Operations: ['97-73=24'] Exploring Operation: 84/21=4, Resulting Numbers: [24, 4] Generated Node #3: [24, 4] from Operation: 84/21=4 Current State: 20:[24, 4], Operations: ['97-73=24', '84/21=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[97, 73, 21, 84], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [21, 84, 24] Generated Node #0,0: 20:[21, 84, 24] Operation: 97-73=24 Exploring Operation: 97-84=13, Resulting Numbers: [73, 21, 13] Generated Node #0,1: 20:[73, 21, 13] Operation: 97-84=13 Exploring Operation: 84-73=11, Resulting Numbers: [97, 21, 11] Generated Node #0,2: 20:[97, 21, 11] Operation: 84-73=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[73, 21, 13], Operations: ['97-84=13'] Exploring Operation: 21-13=8, Resulting Numbers: [73, 8] Generated Node #0,1,0: 20:[73, 8] Operation: 21-13=8 Exploring Operation: 73-13=60, Resulting Numbers: [21, 60] Generated Node #0,1,1: 20:[21, 60] Operation: 73-13=60 Exploring Operation: 73-21=52, Resulting Numbers: [13, 52] Generated Node #0,1,2: 20:[13, 52] Operation: 73-21=52 Moving to Node #0,1,2 Current State: 20:[13, 52], Operations: ['97-84=13', '73-21=52'] Exploring Operation: 52/13=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 52-13=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 13+52=65, Resulting Numbers: [65] 65,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[21, 60], Operations: ['97-84=13', '73-13=60'] Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 21*60=1260, Resulting Numbers: [1260] 1260,20 unequal: No Solution Exploring Operation: 21+60=81, Resulting Numbers: [81] 81,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[73, 8], Operations: ['97-84=13', '21-13=8'] Exploring Operation: 73-8=65, Resulting Numbers: [65] 65,20 unequal: No Solution Exploring Operation: 73*8=584, Resulting Numbers: [584] 584,20 unequal: No Solution Exploring Operation: 73+8=81, Resulting Numbers: [81] 81,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[21, 84, 24], Operations: ['97-73=24'] Exploring Operation: 84/21=4, Resulting Numbers: [24, 4] Generated Node #0,0,0: 20:[24, 4] Operation: 84/21=4 Exploring Operation: 84-24=60, Resulting Numbers: [21, 60] Generated Node #0,0,1: 20:[21, 60] Operation: 84-24=60 Exploring Operation: 84-21=63, Resulting Numbers: [24, 63] Generated Node #0,0,2: 20:[24, 63] Operation: 84-21=63 Moving to Node #0,0,0 Current State: 20:[24, 4], Operations: ['97-73=24', '84/21=4'] Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[97, 73, 21, 84], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [21, 84, 24] Generated Node #0,0: 20:[21, 84, 24] Operation: 97-73=24 Moving to Node #0,0 Current State: 20:[21, 84, 24], Operations: ['97-73=24'] Exploring Operation: 84/21=4, Resulting Numbers: [24, 4] Generated Node #0,0,0: 20:[24, 4] Operation: 84/21=4 Moving to Node #0,0,0 Current State: 20:[24, 4], Operations: ['97-73=24', '84/21=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 4, 54, 36, 50 ]
95
[ "36/4=9", "54+50=104", "104-9=95" ]
Current State: 95:[4, 54, 36, 50], Operations: [] Exploring Operation: 36/4=9, Resulting Numbers: [54, 50, 9] Generated Node #2: [54, 50, 9] from Operation: 36/4=9 Current State: 95:[54, 50, 9], Operations: ['36/4=9'] Exploring Operation: 54+50=104, Resulting Numbers: [9, 104] Generated Node #3: [9, 104] from Operation: 54+50=104 Current State: 95:[9, 104], Operations: ['36/4=9', '54+50=104'] Exploring Operation: 104-9=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[4, 54, 36, 50], Operations: [] Exploring Operation: 54-50=4, Resulting Numbers: [4, 36, 4] Generated Node #0,0: 95:[4, 36, 4] Operation: 54-50=4 Moving to Node #0,0 Current State: 95:[4, 36, 4], Operations: ['54-50=4'] Exploring Operation: 36/4=9, Resulting Numbers: [4, 9] Generated Node #0,0,0: 95:[4, 9] Operation: 36/4=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[4, 9], Operations: ['54-50=4', '36/4=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,95 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
[ 32, 54, 10, 81 ]
47
[ "10*81=810", "810/54=15", "32+15=47" ]
Current State: 47:[32, 54, 10, 81], Operations: [] Exploring Operation: 10*81=810, Resulting Numbers: [32, 54, 810] Generated Node #2: [32, 54, 810] from Operation: 10*81=810 Current State: 47:[32, 54, 810], Operations: ['10*81=810'] Exploring Operation: 810/54=15, Resulting Numbers: [32, 15] Generated Node #3: [32, 15] from Operation: 810/54=15 Current State: 47:[32, 15], Operations: ['10*81=810', '810/54=15'] Exploring Operation: 32+15=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[32, 54, 10, 81], Operations: [] Exploring Operation: 32+10=42, Resulting Numbers: [54, 81, 42] Generated Node #0,0: 47:[54, 81, 42] Operation: 32+10=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[54, 81, 42], Operations: ['32+10=42'] Exploring Operation: 81-42=39, Resulting Numbers: [54, 39] Generated Node #0,0,0: 47:[54, 39] Operation: 81-42=39 Moving to Node #0,0,0 Current State: 47:[54, 39], Operations: ['32+10=42', '81-42=39'] Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 12, 44, 95, 5 ]
65
[ "44-12=32", "5*32=160", "160-95=65" ]
Current State: 65:[12, 44, 95, 5], Operations: [] Exploring Operation: 44-12=32, Resulting Numbers: [95, 5, 32] Generated Node #2: [95, 5, 32] from Operation: 44-12=32 Current State: 65:[95, 5, 32], Operations: ['44-12=32'] Exploring Operation: 5*32=160, Resulting Numbers: [95, 160] Generated Node #3: [95, 160] from Operation: 5*32=160 Current State: 65:[95, 160], Operations: ['44-12=32', '5*32=160'] Exploring Operation: 160-95=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[12, 44, 95, 5], Operations: [] Exploring Operation: 95-44=51, Resulting Numbers: [12, 5, 51] Generated Node #0,0: 65:[12, 5, 51] Operation: 95-44=51 Exploring Operation: 12+44=56, Resulting Numbers: [95, 5, 56] Generated Node #0,1: 65:[95, 5, 56] Operation: 12+44=56 Exploring Operation: 95/5=19, Resulting Numbers: [12, 44, 19] Generated Node #0,2: 65:[12, 44, 19] Operation: 95/5=19 Moving to Node #0,0 Current State: 65:[12, 5, 51], Operations: ['95-44=51'] Exploring Operation: 12+51=63, Resulting Numbers: [5, 63] Generated Node #0,0,0: 65:[5, 63] Operation: 12+51=63 Exploring Operation: 5+51=56, Resulting Numbers: [12, 56] Generated Node #0,0,1: 65:[12, 56] Operation: 5+51=56 Exploring Operation: 12-5=7, Resulting Numbers: [51, 7] Generated Node #0,0,2: 65:[51, 7] Operation: 12-5=7 Moving to Node #0,2 Current State: 65:[12, 44, 19], Operations: ['95/5=19'] Exploring Operation: 44+19=63, Resulting Numbers: [12, 63] Generated Node #0,2,0: 65:[12, 63] Operation: 44+19=63 Exploring Operation: 12+44=56, Resulting Numbers: [19, 56] Generated Node #0,2,1: 65:[19, 56] Operation: 12+44=56 Exploring Operation: 44-19=25, Resulting Numbers: [12, 25] Generated Node #0,2,2: 65:[12, 25] Operation: 44-19=25 Moving to Node #0,1 Current State: 65:[95, 5, 56], Operations: ['12+44=56'] Exploring Operation: 95-56=39, Resulting Numbers: [5, 39] Generated Node #0,1,0: 65:[5, 39] Operation: 95-56=39 Exploring Operation: 95/5=19, Resulting Numbers: [56, 19] Generated Node #0,1,1: 65:[56, 19] Operation: 95/5=19 Exploring Operation: 95-5=90, Resulting Numbers: [56, 90] Generated Node #0,1,2: 65:[56, 90] Operation: 95-5=90 Moving to Node #0,0,0 Current State: 65:[5, 63], Operations: ['95-44=51', '12+51=63'] Exploring Operation: 5*63=315, Resulting Numbers: [315] 315,65 unequal: No Solution Exploring Operation: 5+63=68, Resulting Numbers: [68] 68,65 unequal: No Solution Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[12, 63], Operations: ['95/5=19', '44+19=63'] Exploring Operation: 12*63=756, Resulting Numbers: [756] 756,65 unequal: No Solution Exploring Operation: 12+63=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 63-12=51, Resulting Numbers: [51] 51,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[12, 56], Operations: ['95-44=51', '5+51=56'] Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 12+56=68, Resulting Numbers: [68] 68,65 unequal: No Solution Exploring Operation: 12*56=672, Resulting Numbers: [672] 672,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[12, 25], Operations: ['95/5=19', '44-19=25'] Exploring Operation: 12*25=300, Resulting Numbers: [300] 300,65 unequal: No Solution Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 25-12=13, Resulting Numbers: [13] 13,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[19, 56], Operations: ['95/5=19', '12+44=56'] Exploring Operation: 19+56=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 19*56=1064, Resulting Numbers: [1064] 1064,65 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[56, 19], Operations: ['12+44=56', '95/5=19'] Exploring Operation: 56*19=1064, Resulting Numbers: [1064] 1064,65 unequal: No Solution Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 56+19=75, Resulting Numbers: [75] 75,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[51, 7], Operations: ['95-44=51', '12-5=7'] Exploring Operation: 51+7=58, Resulting Numbers: [58] 58,65 unequal: No Solution Exploring Operation: 51-7=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 51*7=357, Resulting Numbers: [357] 357,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[5, 39], Operations: ['12+44=56', '95-56=39'] Exploring Operation: 5*39=195, Resulting Numbers: [195] 195,65 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 5+39=44, Resulting Numbers: [44] 44,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[56, 90], Operations: ['12+44=56', '95-5=90'] Exploring Operation: 90-56=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 56+90=146, Resulting Numbers: [146] 146,65 unequal: No Solution Exploring Operation: 56*90=5040, Resulting Numbers: [5040] 5040,65 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 27, 57, 2, 71 ]
82
[ "57-27=30", "71-30=41", "2*41=82" ]
Current State: 82:[27, 57, 2, 71], Operations: [] Exploring Operation: 57-27=30, Resulting Numbers: [2, 71, 30] Generated Node #2: [2, 71, 30] from Operation: 57-27=30 Current State: 82:[2, 71, 30], Operations: ['57-27=30'] Exploring Operation: 71-30=41, Resulting Numbers: [2, 41] Generated Node #3: [2, 41] from Operation: 71-30=41 Current State: 82:[2, 41], Operations: ['57-27=30', '71-30=41'] Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[27, 57, 2, 71], Operations: [] Exploring Operation: 27+57=84, Resulting Numbers: [2, 71, 84] Generated Node #0,0: 82:[2, 71, 84] Operation: 27+57=84 Exploring Operation: 71-27=44, Resulting Numbers: [57, 2, 44] Generated Node #0,1: 82:[57, 2, 44] Operation: 71-27=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[2, 71, 84], Operations: ['27+57=84'] Exploring Operation: 2+71=73, Resulting Numbers: [84, 73] Generated Node #0,0,0: 82:[84, 73] Operation: 2+71=73 Exploring Operation: 84-2=82, Resulting Numbers: [71, 82] Generated Node #0,0,1: 82:[71, 82] Operation: 84-2=82 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[84, 73], Operations: ['27+57=84', '2+71=73'] Exploring Operation: 84-73=11, Resulting Numbers: [11] 11,82 unequal: No Solution Exploring Operation: 84+73=157, Resulting Numbers: [157] 157,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[71, 82], Operations: ['27+57=84', '84-2=82'] Exploring Operation: 71+82=153, Resulting Numbers: [153] 153,82 unequal: No Solution Exploring Operation: 82-71=11, Resulting Numbers: [11] 11,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[57, 2, 44], Operations: ['71-27=44'] Exploring Operation: 57-44=13, Resulting Numbers: [2, 13] Generated Node #0,1,0: 82:[2, 13] Operation: 57-44=13 Exploring Operation: 57-2=55, Resulting Numbers: [44, 55] Generated Node #0,1,1: 82:[44, 55] Operation: 57-2=55 Moving to Node #0,1,0 Current State: 82:[2, 13], Operations: ['71-27=44', '57-44=13'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,82 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[44, 55], Operations: ['71-27=44', '57-2=55'] Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,82 unequal: No Solution Exploring Operation: 44+55=99, Resulting Numbers: [99] 99,82 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
[ 42, 72, 87, 1 ]
27
[ "42+72=114", "87*1=87", "114-87=27" ]
Current State: 27:[42, 72, 87, 1], Operations: [] Exploring Operation: 42+72=114, Resulting Numbers: [87, 1, 114] Generated Node #2: [87, 1, 114] from Operation: 42+72=114 Current State: 27:[87, 1, 114], Operations: ['42+72=114'] Exploring Operation: 87*1=87, Resulting Numbers: [114, 87] Generated Node #3: [114, 87] from Operation: 87*1=87 Current State: 27:[114, 87], Operations: ['42+72=114', '87*1=87'] Exploring Operation: 114-87=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[42, 72, 87, 1], Operations: [] Exploring Operation: 87-72=15, Resulting Numbers: [42, 1, 15] Generated Node #0,0: 27:[42, 1, 15] Operation: 87-72=15 Moving to Node #0,0 Current State: 27:[42, 1, 15], Operations: ['87-72=15'] Exploring Operation: 42-15=27, Resulting Numbers: [1, 27] Generated Node #0,0,0: 27:[1, 27] Operation: 42-15=27 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[1, 27], Operations: ['87-72=15', '42-15=27'] Exploring Operation: 1*27=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[42, 72, 87, 1], Operations: [] Exploring Operation: 87-72=15, Resulting Numbers: [42, 1, 15] Generated Node #0,0: 27:[42, 1, 15] Operation: 87-72=15 Moving to Node #0,0 Current State: 27:[42, 1, 15], Operations: ['87-72=15'] Exploring Operation: 42-15=27, Resulting Numbers: [1, 27] Generated Node #0,0,0: 27:[1, 27] Operation: 42-15=27 Moving to Node #0,0,0 Current State: 27:[1, 27], Operations: ['87-72=15', '42-15=27'] Exploring Operation: 1*27=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 2, 54, 79, 10 ]
47
[ "54+10=64", "64/2=32", "79-32=47" ]
Current State: 47:[2, 54, 79, 10], Operations: [] Exploring Operation: 54+10=64, Resulting Numbers: [2, 79, 64] Generated Node #2: [2, 79, 64] from Operation: 54+10=64 Current State: 47:[2, 79, 64], Operations: ['54+10=64'] Exploring Operation: 64/2=32, Resulting Numbers: [79, 32] Generated Node #3: [79, 32] from Operation: 64/2=32 Current State: 47:[79, 32], Operations: ['54+10=64', '64/2=32'] Exploring Operation: 79-32=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[2, 54, 79, 10], Operations: [] Exploring Operation: 2*10=20, Resulting Numbers: [54, 79, 20] Generated Node #0,0: 47:[54, 79, 20] Operation: 2*10=20 Exploring Operation: 54-2=52, Resulting Numbers: [79, 10, 52] Generated Node #0,1: 47:[79, 10, 52] Operation: 54-2=52 Moving to Node #0,0 Current State: 47:[54, 79, 20], Operations: ['2*10=20'] Exploring Operation: 54-20=34, Resulting Numbers: [79, 34] Generated Node #0,0,0: 47:[79, 34] Operation: 54-20=34 Exploring Operation: 79-20=59, Resulting Numbers: [54, 59] Generated Node #0,0,1: 47:[54, 59] Operation: 79-20=59 Moving to Node #0,1 Current State: 47:[79, 10, 52], Operations: ['54-2=52'] Exploring Operation: 52-10=42, Resulting Numbers: [79, 42] Generated Node #0,1,0: 47:[79, 42] Operation: 52-10=42 Exploring Operation: 79-10=69, Resulting Numbers: [52, 69] Generated Node #0,1,1: 47:[52, 69] Operation: 79-10=69 Moving to Node #0,0,1 Current State: 47:[54, 59], Operations: ['2*10=20', '79-20=59'] Exploring Operation: 59-54=5, Resulting Numbers: [5] 5,47 unequal: No Solution Exploring Operation: 54+59=113, Resulting Numbers: [113] 113,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[52, 69], Operations: ['54-2=52', '79-10=69'] Exploring Operation: 69-52=17, Resulting Numbers: [17] 17,47 unequal: No Solution Exploring Operation: 52+69=121, Resulting Numbers: [121] 121,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[79, 42], Operations: ['54-2=52', '52-10=42'] Exploring Operation: 79-42=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 79+42=121, Resulting Numbers: [121] 121,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[79, 34], Operations: ['2*10=20', '54-20=34'] Exploring Operation: 79-34=45, Resulting Numbers: [45] 45,47 unequal: No Solution Exploring Operation: 79+34=113, Resulting Numbers: [113] 113,47 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 21, 51, 77, 7 ]
47
[ "77+7=84", "84/21=4", "51-4=47" ]
Current State: 47:[21, 51, 77, 7], Operations: [] Exploring Operation: 77+7=84, Resulting Numbers: [21, 51, 84] Generated Node #2: [21, 51, 84] from Operation: 77+7=84 Current State: 47:[21, 51, 84], Operations: ['77+7=84'] Exploring Operation: 84/21=4, Resulting Numbers: [51, 4] Generated Node #3: [51, 4] from Operation: 84/21=4 Current State: 47:[51, 4], Operations: ['77+7=84', '84/21=4'] Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[21, 51, 77, 7], Operations: [] Exploring Operation: 77-7=70, Resulting Numbers: [21, 51, 70] Generated Node #0,0: 47:[21, 51, 70] Operation: 77-7=70 Exploring Operation: 77-21=56, Resulting Numbers: [51, 7, 56] Generated Node #0,1: 47:[51, 7, 56] Operation: 77-21=56 Exploring Operation: 21+7=28, Resulting Numbers: [51, 77, 28] Generated Node #0,2: 47:[51, 77, 28] Operation: 21+7=28 Moving to Node #0,0 Current State: 47:[21, 51, 70], Operations: ['77-7=70'] Exploring Operation: 21+51=72, Resulting Numbers: [70, 72] Generated Node #0,0,0: 47:[70, 72] Operation: 21+51=72 Exploring Operation: 70-21=49, Resulting Numbers: [51, 49] Generated Node #0,0,1: 47:[51, 49] Operation: 70-21=49 Exploring Operation: 51-21=30, Resulting Numbers: [70, 30] Generated Node #0,0,2: 47:[70, 30] Operation: 51-21=30 Moving to Node #0,1 Current State: 47:[51, 7, 56], Operations: ['77-21=56'] Exploring Operation: 51-7=44, Resulting Numbers: [56, 44] Generated Node #0,1,0: 47:[56, 44] Operation: 51-7=44 Exploring Operation: 51+7=58, Resulting Numbers: [56, 58] Generated Node #0,1,1: 47:[56, 58] Operation: 51+7=58 Exploring Operation: 56-7=49, Resulting Numbers: [51, 49] Generated Node #0,1,2: 47:[51, 49] Operation: 56-7=49 Moving to Node #0,2 Current State: 47:[51, 77, 28], Operations: ['21+7=28'] Exploring Operation: 77-28=49, Resulting Numbers: [51, 49] Generated Node #0,2,0: 47:[51, 49] Operation: 77-28=49 Exploring Operation: 51-28=23, Resulting Numbers: [77, 23] Generated Node #0,2,1: 47:[77, 23] Operation: 51-28=23 Exploring Operation: 77-51=26, Resulting Numbers: [28, 26] Generated Node #0,2,2: 47:[28, 26] Operation: 77-51=26 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[51, 49], Operations: ['21+7=28', '77-28=49'] Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 51*49=2499, Resulting Numbers: [2499] 2499,47 unequal: No Solution Exploring Operation: 51+49=100, Resulting Numbers: [100] 100,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[28, 26], Operations: ['21+7=28', '77-51=26'] Exploring Operation: 28*26=728, Resulting Numbers: [728] 728,47 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[77, 23], Operations: ['21+7=28', '51-28=23'] Exploring Operation: 77+23=100, Resulting Numbers: [100] 100,47 unequal: No Solution Exploring Operation: 77-23=54, Resulting Numbers: [54] 54,47 unequal: No Solution Exploring Operation: 77*23=1771, Resulting Numbers: [1771] 1771,47 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: 47:[51, 49], Operations: ['77-7=70', '70-21=49'] Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 51*49=2499, Resulting Numbers: [2499] 2499,47 unequal: No Solution Exploring Operation: 51+49=100, Resulting Numbers: [100] 100,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[51, 49], Operations: ['77-21=56', '56-7=49'] Exploring Operation: 51*49=2499, Resulting Numbers: [2499] 2499,47 unequal: No Solution Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 51+49=100, Resulting Numbers: [100] 100,47 unequal: No Solution Moving to Node #0,1,0 Current State: 47:[56, 44], Operations: ['77-21=56', '51-7=44'] Exploring Operation: 56*44=2464, Resulting Numbers: [2464] 2464,47 unequal: No Solution Exploring Operation: 56+44=100, Resulting Numbers: [100] 100,47 unequal: No Solution Exploring Operation: 56-44=12, Resulting Numbers: [12] 12,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[56, 58], Operations: ['77-21=56', '51+7=58'] Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,47 unequal: No Solution Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,47 unequal: No Solution Moving to Node #0,0,2 Current State: 47:[70, 30], Operations: ['77-7=70', '51-21=30'] Exploring Operation: 70*30=2100, Resulting Numbers: [2100] 2100,47 unequal: No Solution Exploring Operation: 70-30=40, Resulting Numbers: [40] 40,47 unequal: No Solution Exploring Operation: 70+30=100, Resulting Numbers: [100] 100,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[70, 72], Operations: ['77-7=70', '21+51=72'] Exploring Operation: 70*72=5040, Resulting Numbers: [5040] 5040,47 unequal: No Solution Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 70+72=142, Resulting Numbers: [142] 142,47 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 66, 67, 24, 21 ]
44
[ "67-66=1", "24+21=45", "45-1=44" ]
Current State: 44:[66, 67, 24, 21], Operations: [] Exploring Operation: 67-66=1, Resulting Numbers: [24, 21, 1] Generated Node #2: [24, 21, 1] from Operation: 67-66=1 Current State: 44:[24, 21, 1], Operations: ['67-66=1'] Exploring Operation: 24+21=45, Resulting Numbers: [1, 45] Generated Node #3: [1, 45] from Operation: 24+21=45 Current State: 44:[1, 45], Operations: ['67-66=1', '24+21=45'] Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[66, 67, 24, 21], Operations: [] Exploring Operation: 67-21=46, Resulting Numbers: [66, 24, 46] Generated Node #0,0: 44:[66, 24, 46] Operation: 67-21=46 Exploring Operation: 66-21=45, Resulting Numbers: [67, 24, 45] Generated Node #0,1: 44:[67, 24, 45] Operation: 66-21=45 Exploring Operation: 67-24=43, Resulting Numbers: [66, 21, 43] Generated Node #0,2: 44:[66, 21, 43] Operation: 67-24=43 Exploring Operation: 67-66=1, Resulting Numbers: [24, 21, 1] Generated Node #0,3: 44:[24, 21, 1] Operation: 67-66=1 Exploring Operation: 66-24=42, Resulting Numbers: [67, 21, 42] Generated Node #0,4: 44:[67, 21, 42] Operation: 66-24=42 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[24, 21, 1], Operations: ['67-66=1'] Exploring Operation: 24-21=3, Resulting Numbers: [1, 3] Generated Node #0,3,0: 44:[1, 3] Operation: 24-21=3 Exploring Operation: 24-1=23, Resulting Numbers: [21, 23] Generated Node #0,3,1: 44:[21, 23] Operation: 24-1=23 Exploring Operation: 24+21=45, Resulting Numbers: [1, 45] Generated Node #0,3,2: 44:[1, 45] Operation: 24+21=45 Exploring Operation: 24*1=24, Resulting Numbers: [21, 24] Generated Node #0,3,3: 44:[21, 24] Operation: 24*1=24 Exploring Operation: 21+1=22, Resulting Numbers: [24, 22] Generated Node #0,3,4: 44:[24, 22] Operation: 21+1=22 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 44:[1, 3], Operations: ['67-66=1', '24-21=3'] Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,44 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 44:[21, 23], Operations: ['67-66=1', '24-1=23'] Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,44 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[66, 67, 24, 21], Operations: [] Exploring Operation: 67-66=1, Resulting Numbers: [24, 21, 1] Generated Node #0,3: 44:[24, 21, 1] Operation: 67-66=1 Moving to Node #0,3 Current State: 44:[24, 21, 1], Operations: ['67-66=1'] Exploring Operation: 24-1=23, Resulting Numbers: [21, 23] Generated Node #0,3,1: 44:[21, 23] Operation: 24-1=23 Moving to Node #0,3,1 Current State: 44:[21, 23], Operations: ['67-66=1', '24-1=23'] Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 3, 90, 18, 6 ]
90
[ "3+90=93", "18/6=3", "93-3=90" ]
Current State: 90:[3, 90, 18, 6], Operations: [] Exploring Operation: 3+90=93, Resulting Numbers: [18, 6, 93] Generated Node #2: [18, 6, 93] from Operation: 3+90=93 Current State: 90:[18, 6, 93], Operations: ['3+90=93'] Exploring Operation: 18/6=3, Resulting Numbers: [93, 3] Generated Node #3: [93, 3] from Operation: 18/6=3 Current State: 90:[93, 3], Operations: ['3+90=93', '18/6=3'] Exploring Operation: 93-3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[3, 90, 18, 6], Operations: [] Exploring Operation: 90/3=30, Resulting Numbers: [18, 6, 30] Generated Node #0,0: 90:[18, 6, 30] Operation: 90/3=30 Exploring Operation: 3+6=9, Resulting Numbers: [90, 18, 9] Generated Node #0,1: 90:[90, 18, 9] Operation: 3+6=9 Exploring Operation: 18-3=15, Resulting Numbers: [90, 6, 15] Generated Node #0,2: 90:[90, 6, 15] Operation: 18-3=15 Exploring Operation: 3*6=18, Resulting Numbers: [90, 18, 18] Generated Node #0,3: 90:[90, 18, 18] Operation: 3*6=18 Exploring Operation: 18/3=6, Resulting Numbers: [90, 6, 6] Generated Node #0,4: 90:[90, 6, 6] Operation: 18/3=6 Moving to Node #0,0 Current State: 90:[18, 6, 30], Operations: ['90/3=30'] Exploring Operation: 18/6=3, Resulting Numbers: [30, 3] Generated Node #0,0,0: 90:[30, 3] Operation: 18/6=3 Exploring Operation: 30/6=5, Resulting Numbers: [18, 5] Generated Node #0,0,1: 90:[18, 5] Operation: 30/6=5 Exploring Operation: 30-18=12, Resulting Numbers: [6, 12] Generated Node #0,0,2: 90:[6, 12] Operation: 30-18=12 Exploring Operation: 18-6=12, Resulting Numbers: [30, 12] Generated Node #0,0,3: 90:[30, 12] Operation: 18-6=12 Exploring Operation: 18+30=48, Resulting Numbers: [6, 48] Generated Node #0,0,4: 90:[6, 48] Operation: 18+30=48 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[30, 3], Operations: ['90/3=30', '18/6=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,90 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[3, 90, 18, 6], Operations: [] Exploring Operation: 90/3=30, Resulting Numbers: [18, 6, 30] Generated Node #0,0: 90:[18, 6, 30] Operation: 90/3=30 Moving to Node #0,0 Current State: 90:[18, 6, 30], Operations: ['90/3=30'] Exploring Operation: 18/6=3, Resulting Numbers: [30, 3] Generated Node #0,0,0: 90:[30, 3] Operation: 18/6=3 Moving to Node #0,0,0 Current State: 90:[30, 3], Operations: ['90/3=30', '18/6=3'] Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 9, 51, 40, 98 ]
49
[ "51-9=42", "42-40=2", "98/2=49" ]
Current State: 49:[9, 51, 40, 98], Operations: [] Exploring Operation: 51-9=42, Resulting Numbers: [40, 98, 42] Generated Node #2: [40, 98, 42] from Operation: 51-9=42 Current State: 49:[40, 98, 42], Operations: ['51-9=42'] Exploring Operation: 42-40=2, Resulting Numbers: [98, 2] Generated Node #3: [98, 2] from Operation: 42-40=2 Current State: 49:[98, 2], Operations: ['51-9=42', '42-40=2'] Exploring Operation: 98/2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[9, 51, 40, 98], Operations: [] Exploring Operation: 51-40=11, Resulting Numbers: [9, 98, 11] Generated Node #0,0: 49:[9, 98, 11] Operation: 51-40=11 Exploring Operation: 98-51=47, Resulting Numbers: [9, 40, 47] Generated Node #0,1: 49:[9, 40, 47] Operation: 98-51=47 Exploring Operation: 9+40=49, Resulting Numbers: [51, 98, 49] Generated Node #0,2: 49:[51, 98, 49] Operation: 9+40=49 Exploring Operation: 98-40=58, Resulting Numbers: [9, 51, 58] Generated Node #0,3: 49:[9, 51, 58] Operation: 98-40=58 Exploring Operation: 98-9=89, Resulting Numbers: [51, 40, 89] Generated Node #0,4: 49:[51, 40, 89] Operation: 98-9=89 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[9, 40, 47], Operations: ['98-51=47'] Exploring Operation: 9+47=56, Resulting Numbers: [40, 56] Generated Node #0,1,0: 49:[40, 56] Operation: 9+47=56 Exploring Operation: 47-9=38, Resulting Numbers: [40, 38] Generated Node #0,1,1: 49:[40, 38] Operation: 47-9=38 Exploring Operation: 40-9=31, Resulting Numbers: [47, 31] Generated Node #0,1,2: 49:[47, 31] Operation: 40-9=31 Exploring Operation: 9+40=49, Resulting Numbers: [47, 49] Generated Node #0,1,3: 49:[47, 49] Operation: 9+40=49 Exploring Operation: 47-40=7, Resulting Numbers: [9, 7] Generated Node #0,1,4: 49:[9, 7] Operation: 47-40=7 Moving to Node #0,1,3 Current State: 49:[47, 49], Operations: ['98-51=47', '9+40=49'] Exploring Operation: 47+49=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 47*49=2303, Resulting Numbers: [2303] 2303,49 unequal: No Solution Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,49 unequal: No Solution Moving to Node #0,1,4 Current State: 49:[9, 7], Operations: ['98-51=47', '47-40=7'] Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,49 unequal: No Solution Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,49 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,49 unequal: No Solution Moving to Node #0,1,0 Current State: 49:[40, 56], Operations: ['98-51=47', '9+47=56'] Exploring Operation: 56-40=16, Resulting Numbers: [16] 16,49 unequal: No Solution Exploring Operation: 40+56=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 40*56=2240, Resulting Numbers: [2240] 2240,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[40, 38], Operations: ['98-51=47', '47-9=38'] Exploring Operation: 40*38=1520, Resulting Numbers: [1520] 1520,49 unequal: No Solution Exploring Operation: 40+38=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 40-38=2, Resulting Numbers: [2] 2,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[47, 31], Operations: ['98-51=47', '40-9=31'] Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,49 unequal: No Solution Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,49 unequal: No Solution Exploring Operation: 47*31=1457, Resulting Numbers: [1457] 1457,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 49:[9, 51, 58], Operations: ['98-40=58'] Exploring Operation: 51-9=42, Resulting Numbers: [58, 42] Generated Node #0,3,0: 49:[58, 42] Operation: 51-9=42 Exploring Operation: 58-9=49, Resulting Numbers: [51, 49] Generated Node #0,3,1: 49:[51, 49] Operation: 58-9=49 Exploring Operation: 9+51=60, Resulting Numbers: [58, 60] Generated Node #0,3,2: 49:[58, 60] Operation: 9+51=60 Exploring Operation: 58-51=7, Resulting Numbers: [9, 7] Generated Node #0,3,3: 49:[9, 7] Operation: 58-51=7 Exploring Operation: 9+58=67, Resulting Numbers: [51, 67] Generated Node #0,3,4: 49:[51, 67] Operation: 9+58=67 Moving to Node #0,3,1 Current State: 49:[51, 49], Operations: ['98-40=58', '58-9=49'] Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 51+49=100, Resulting Numbers: [100] 100,49 unequal: No Solution Exploring Operation: 51*49=2499, Resulting Numbers: [2499] 2499,49 unequal: No Solution Moving to Node #0,3,3 Current State: 49:[9, 7], Operations: ['98-40=58', '58-51=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,49 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,49 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,49 unequal: No Solution Moving to Node #0,3,0 Current State: 49:[58, 42], Operations: ['98-40=58', '51-9=42'] Exploring Operation: 58-42=16, Resulting Numbers: [16] 16,49 unequal: No Solution Exploring Operation: 58*42=2436, Resulting Numbers: [2436] 2436,49 unequal: No Solution Exploring Operation: 58+42=100, Resulting Numbers: [100] 100,49 unequal: No Solution Moving to Node #0,3,2 Current State: 49:[58, 60], Operations: ['98-40=58', '9+51=60'] Exploring Operation: 58*60=3480, Resulting Numbers: [3480] 3480,49 unequal: No Solution Exploring Operation: 58+60=118, Resulting Numbers: [118] 118,49 unequal: No Solution Exploring Operation: 60-58=2, Resulting Numbers: [2] 2,49 unequal: No Solution Moving to Node #0,3,4 Current State: 49:[51, 67], Operations: ['98-40=58', '9+58=67'] Exploring Operation: 51+67=118, Resulting Numbers: [118] 118,49 unequal: No Solution Exploring Operation: 51*67=3417, Resulting Numbers: [3417] 3417,49 unequal: No Solution Exploring Operation: 67-51=16, Resulting Numbers: [16] 16,49 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 Current State: 49:[51, 98, 49], Operations: ['9+40=49'] Exploring Operation: 98-51=47, Resulting Numbers: [49, 47] Generated Node #0,2,0: 49:[49, 47] Operation: 98-51=47 Exploring Operation: 98/49=2, Resulting Numbers: [51, 2] Generated Node #0,2,1: 49:[51, 2] Operation: 98/49=2 Exploring Operation: 51+98=149, Resulting Numbers: [49, 149] Generated Node #0,2,2: 49:[49, 149] Operation: 51+98=149 Exploring Operation: 98-49=49, Resulting Numbers: [51, 49] Generated Node #0,2,3: 49:[51, 49] Operation: 98-49=49 Exploring Operation: 51-49=2, Resulting Numbers: [98, 2] Generated Node #0,2,4: 49:[98, 2] Operation: 51-49=2 Moving to Node #0,2,0 Current State: 49:[49, 47], Operations: ['9+40=49', '98-51=47'] Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 49+47=96, Resulting Numbers: [96] 96,49 unequal: No Solution Exploring Operation: 49*47=2303, Resulting Numbers: [2303] 2303,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[51, 49], Operations: ['9+40=49', '98-49=49'] Exploring Operation: 51-49=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 51*49=2499, Resulting Numbers: [2499] 2499,49 unequal: No Solution Exploring Operation: 51+49=100, Resulting Numbers: [100] 100,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[51, 2], Operations: ['9+40=49', '98/49=2'] Exploring Operation: 51+2=53, Resulting Numbers: [53] 53,49 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[9, 51, 40, 98], Operations: [] Exploring Operation: 9+40=49, Resulting Numbers: [51, 98, 49] Generated Node #0,2: 49:[51, 98, 49] Operation: 9+40=49 Moving to Node #0,2 Current State: 49:[51, 98, 49], Operations: ['9+40=49'] Exploring Operation: 98/49=2, Resulting Numbers: [51, 2] Generated Node #0,2,1: 49:[51, 2] Operation: 98/49=2 Moving to Node #0,2,1 Current State: 49:[51, 2], Operations: ['9+40=49', '98/49=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.946181
hs_5
sum_heuristic
[ 20, 97, 92, 75 ]
46
[ "97-20=77", "77-75=2", "92/2=46" ]
Current State: 46:[20, 97, 92, 75], Operations: [] Exploring Operation: 97-20=77, Resulting Numbers: [92, 75, 77] Generated Node #2: [92, 75, 77] from Operation: 97-20=77 Current State: 46:[92, 75, 77], Operations: ['97-20=77'] Exploring Operation: 77-75=2, Resulting Numbers: [92, 2] Generated Node #3: [92, 2] from Operation: 77-75=2 Current State: 46:[92, 2], Operations: ['97-20=77', '77-75=2'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[20, 97, 92, 75], Operations: [] Exploring Operation: 97-92=5, Resulting Numbers: [20, 75, 5] Generated Node #0,0: 46:[20, 75, 5] Operation: 97-92=5 Exploring Operation: 97-75=22, Resulting Numbers: [20, 92, 22] Generated Node #0,1: 46:[20, 92, 22] Operation: 97-75=22 Moving to Node #0,0 Current State: 46:[20, 75, 5], Operations: ['97-92=5'] Exploring Operation: 75-20=55, Resulting Numbers: [5, 55] Generated Node #0,0,0: 46:[5, 55] Operation: 75-20=55 Exploring Operation: 75/5=15, Resulting Numbers: [20, 15] Generated Node #0,0,1: 46:[20, 15] Operation: 75/5=15 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 46:[20, 15], Operations: ['97-92=5', '75/5=15'] Exploring Operation: 20-15=5, Resulting Numbers: [5] 5,46 unequal: No Solution Exploring Operation: 20+15=35, Resulting Numbers: [35] 35,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[5, 55], Operations: ['97-92=5', '75-20=55'] Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,46 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,46 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: 46:[20, 92, 22], Operations: ['97-75=22'] Exploring Operation: 92-20=72, Resulting Numbers: [22, 72] Generated Node #0,1,0: 46:[22, 72] Operation: 92-20=72 Exploring Operation: 92-22=70, Resulting Numbers: [20, 70] Generated Node #0,1,1: 46:[20, 70] Operation: 92-22=70 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 46:[22, 72], Operations: ['97-75=22', '92-20=72'] Exploring Operation: 72-22=50, Resulting Numbers: [50] 50,46 unequal: No Solution Exploring Operation: 22+72=94, Resulting Numbers: [94] 94,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 46:[20, 70], Operations: ['97-75=22', '92-22=70'] Exploring Operation: 20+70=90, Resulting Numbers: [90] 90,46 unequal: No Solution Exploring Operation: 70-20=50, Resulting Numbers: [50] 50,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 41, 60, 82, 97 ]
45
[ "97-82=15", "60/15=4", "41+4=45" ]
Current State: 45:[41, 60, 82, 97], Operations: [] Exploring Operation: 97-82=15, Resulting Numbers: [41, 60, 15] Generated Node #2: [41, 60, 15] from Operation: 97-82=15 Current State: 45:[41, 60, 15], Operations: ['97-82=15'] Exploring Operation: 60/15=4, Resulting Numbers: [41, 4] Generated Node #3: [41, 4] from Operation: 60/15=4 Current State: 45:[41, 4], Operations: ['97-82=15', '60/15=4'] Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[41, 60, 82, 97], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [60, 97, 2] Generated Node #0,0: 45:[60, 97, 2] Operation: 82/41=2 Exploring Operation: 97-41=56, Resulting Numbers: [60, 82, 56] Generated Node #0,1: 45:[60, 82, 56] Operation: 97-41=56 Exploring Operation: 82-60=22, Resulting Numbers: [41, 97, 22] Generated Node #0,2: 45:[41, 97, 22] Operation: 82-60=22 Exploring Operation: 97-82=15, Resulting Numbers: [41, 60, 15] Generated Node #0,3: 45:[41, 60, 15] Operation: 97-82=15 Exploring Operation: 97-60=37, Resulting Numbers: [41, 82, 37] Generated Node #0,4: 45:[41, 82, 37] Operation: 97-60=37 Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[41, 60, 15], Operations: ['97-82=15'] Exploring Operation: 60-15=45, Resulting Numbers: [41, 45] Generated Node #0,3,0: 45:[41, 45] Operation: 60-15=45 Exploring Operation: 60/15=4, Resulting Numbers: [41, 4] Generated Node #0,3,1: 45:[41, 4] Operation: 60/15=4 Exploring Operation: 41-15=26, Resulting Numbers: [60, 26] Generated Node #0,3,2: 45:[60, 26] Operation: 41-15=26 Exploring Operation: 41+15=56, Resulting Numbers: [60, 56] Generated Node #0,3,3: 45:[60, 56] Operation: 41+15=56 Exploring Operation: 60-41=19, Resulting Numbers: [15, 19] Generated Node #0,3,4: 45:[15, 19] Operation: 60-41=19 Moving to Node #0,3,0 Current State: 45:[41, 45], Operations: ['97-82=15', '60-15=45'] Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,45 unequal: No Solution Exploring Operation: 45-41=4, Resulting Numbers: [4] 4,45 unequal: No Solution Exploring Operation: 41*45=1845, Resulting Numbers: [1845] 1845,45 unequal: No Solution Moving to Node #0,3,4 Current State: 45:[15, 19], Operations: ['97-82=15', '60-41=19'] Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,45 unequal: No Solution Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,45 unequal: No Solution Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,45 unequal: No Solution Moving to Node #0,3,1 Current State: 45:[41, 4], Operations: ['97-82=15', '60/15=4'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,45 unequal: No Solution Exploring Operation: 41*4=164, Resulting Numbers: [164] 164,45 unequal: No Solution Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[41, 60, 82, 97], Operations: [] Exploring Operation: 97-82=15, Resulting Numbers: [41, 60, 15] Generated Node #0,3: 45:[41, 60, 15] Operation: 97-82=15 Moving to Node #0,3 Current State: 45:[41, 60, 15], Operations: ['97-82=15'] Exploring Operation: 60/15=4, Resulting Numbers: [41, 4] Generated Node #0,3,1: 45:[41, 4] Operation: 60/15=4 Moving to Node #0,3,1 Current State: 45:[41, 4], Operations: ['97-82=15', '60/15=4'] Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
mult_heuristic
[ 5, 40, 87, 95 ]
27
[ "40-5=35", "95-87=8", "35-8=27" ]
Current State: 27:[5, 40, 87, 95], Operations: [] Exploring Operation: 40-5=35, Resulting Numbers: [87, 95, 35] Generated Node #2: [87, 95, 35] from Operation: 40-5=35 Current State: 27:[87, 95, 35], Operations: ['40-5=35'] Exploring Operation: 95-87=8, Resulting Numbers: [35, 8] Generated Node #3: [35, 8] from Operation: 95-87=8 Current State: 27:[35, 8], Operations: ['40-5=35', '95-87=8'] Exploring Operation: 35-8=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[5, 40, 87, 95], Operations: [] Exploring Operation: 95-87=8, Resulting Numbers: [5, 40, 8] Generated Node #0,0: 27:[5, 40, 8] Operation: 95-87=8 Exploring Operation: 95-40=55, Resulting Numbers: [5, 87, 55] Generated Node #0,1: 27:[5, 87, 55] Operation: 95-40=55 Exploring Operation: 95/5=19, Resulting Numbers: [40, 87, 19] Generated Node #0,2: 27:[40, 87, 19] Operation: 95/5=19 Exploring Operation: 87-40=47, Resulting Numbers: [5, 95, 47] Generated Node #0,3: 27:[5, 95, 47] Operation: 87-40=47 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[5, 40, 8], Operations: ['95-87=8'] Exploring Operation: 40/8=5, Resulting Numbers: [5, 5] Generated Node #0,0,0: 27:[5, 5] Operation: 40/8=5 Exploring Operation: 40-5=35, Resulting Numbers: [8, 35] Generated Node #0,0,1: 27:[8, 35] Operation: 40-5=35 Exploring Operation: 40/5=8, Resulting Numbers: [8, 8] Generated Node #0,0,2: 27:[8, 8] Operation: 40/5=8 Exploring Operation: 40-8=32, Resulting Numbers: [5, 32] Generated Node #0,0,3: 27:[5, 32] Operation: 40-8=32 Moving to Node #0,0,2 Current State: 27:[8, 8], Operations: ['95-87=8', '40/5=8'] Exploring Operation: 8+8=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 8-8=0, Resulting Numbers: [0] 0,27 unequal: No Solution Exploring Operation: 8*8=64, Resulting Numbers: [64] 64,27 unequal: No Solution Exploring Operation: 8/8=1, Resulting Numbers: [1] 1,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[5, 5], Operations: ['95-87=8', '40/8=5'] Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,27 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,27 unequal: No Solution Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,27 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,27 unequal: No Solution Moving to Node #0,0,3 Current State: 27:[5, 32], Operations: ['95-87=8', '40-8=32'] Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[5, 40, 87, 95], Operations: [] Exploring Operation: 95-87=8, Resulting Numbers: [5, 40, 8] Generated Node #0,0: 27:[5, 40, 8] Operation: 95-87=8 Moving to Node #0,0 Current State: 27:[5, 40, 8], Operations: ['95-87=8'] Exploring Operation: 40-8=32, Resulting Numbers: [5, 32] Generated Node #0,0,3: 27:[5, 32] Operation: 40-8=32 Moving to Node #0,0,3 Current State: 27:[5, 32], Operations: ['95-87=8', '40-8=32'] Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_4
mult_heuristic
[ 87, 17, 58, 69 ]
93
[ "87+17=104", "69-58=11", "104-11=93" ]
Current State: 93:[87, 17, 58, 69], Operations: [] Exploring Operation: 87+17=104, Resulting Numbers: [58, 69, 104] Generated Node #2: [58, 69, 104] from Operation: 87+17=104 Current State: 93:[58, 69, 104], Operations: ['87+17=104'] Exploring Operation: 69-58=11, Resulting Numbers: [104, 11] Generated Node #3: [104, 11] from Operation: 69-58=11 Current State: 93:[104, 11], Operations: ['87+17=104', '69-58=11'] Exploring Operation: 104-11=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[87, 17, 58, 69], Operations: [] Exploring Operation: 69-58=11, Resulting Numbers: [87, 17, 11] Generated Node #0,0: 93:[87, 17, 11] Operation: 69-58=11 Exploring Operation: 58-17=41, Resulting Numbers: [87, 69, 41] Generated Node #0,1: 93:[87, 69, 41] Operation: 58-17=41 Exploring Operation: 87-58=29, Resulting Numbers: [17, 69, 29] Generated Node #0,2: 93:[17, 69, 29] Operation: 87-58=29 Exploring Operation: 17+69=86, Resulting Numbers: [87, 58, 86] Generated Node #0,3: 93:[87, 58, 86] Operation: 17+69=86 Exploring Operation: 17+58=75, Resulting Numbers: [87, 69, 75] Generated Node #0,4: 93:[87, 69, 75] Operation: 17+58=75 Moving to Node #0,0 Current State: 93:[87, 17, 11], Operations: ['69-58=11'] Exploring Operation: 87-17=70, Resulting Numbers: [11, 70] Generated Node #0,0,0: 93:[11, 70] Operation: 87-17=70 Exploring Operation: 17+11=28, Resulting Numbers: [87, 28] Generated Node #0,0,1: 93:[87, 28] Operation: 17+11=28 Exploring Operation: 87+11=98, Resulting Numbers: [17, 98] Generated Node #0,0,2: 93:[17, 98] Operation: 87+11=98 Exploring Operation: 17-11=6, Resulting Numbers: [87, 6] Generated Node #0,0,3: 93:[87, 6] Operation: 17-11=6 Exploring Operation: 87+17=104, Resulting Numbers: [11, 104] Generated Node #0,0,4: 93:[11, 104] Operation: 87+17=104 Moving to Node #0,2 Current State: 93:[17, 69, 29], Operations: ['87-58=29'] Exploring Operation: 17+69=86, Resulting Numbers: [29, 86] Generated Node #0,2,0: 93:[29, 86] Operation: 17+69=86 Exploring Operation: 69+29=98, Resulting Numbers: [17, 98] Generated Node #0,2,1: 93:[17, 98] Operation: 69+29=98 Exploring Operation: 29-17=12, Resulting Numbers: [69, 12] Generated Node #0,2,2: 93:[69, 12] Operation: 29-17=12 Exploring Operation: 69-17=52, Resulting Numbers: [29, 52] Generated Node #0,2,3: 93:[29, 52] Operation: 69-17=52 Exploring Operation: 69-29=40, Resulting Numbers: [17, 40] Generated Node #0,2,4: 93:[17, 40] Operation: 69-29=40 Moving to Node #0,1 Current State: 93:[87, 69, 41], Operations: ['58-17=41'] Exploring Operation: 69-41=28, Resulting Numbers: [87, 28] Generated Node #0,1,0: 93:[87, 28] Operation: 69-41=28 Exploring Operation: 87-41=46, Resulting Numbers: [69, 46] Generated Node #0,1,1: 93:[69, 46] Operation: 87-41=46 Exploring Operation: 87+41=128, Resulting Numbers: [69, 128] Generated Node #0,1,2: 93:[69, 128] Operation: 87+41=128 Exploring Operation: 87-69=18, Resulting Numbers: [41, 18] Generated Node #0,1,3: 93:[41, 18] Operation: 87-69=18 Exploring Operation: 69+41=110, Resulting Numbers: [87, 110] Generated Node #0,1,4: 93:[87, 110] Operation: 69+41=110 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[87, 28], Operations: ['58-17=41', '69-41=28'] Exploring Operation: 87-28=59, Resulting Numbers: [59] 59,93 unequal: No Solution Exploring Operation: 87*28=2436, Resulting Numbers: [2436] 2436,93 unequal: No Solution Exploring Operation: 87+28=115, Resulting Numbers: [115] 115,93 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 #0,1,3 Current State: 93:[41, 18], Operations: ['58-17=41', '87-69=18'] Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,93 unequal: No Solution Exploring Operation: 41*18=738, Resulting Numbers: [738] 738,93 unequal: No Solution Exploring Operation: 41+18=59, Resulting Numbers: [59] 59,93 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 #0,1,4 Current State: 93:[87, 110], Operations: ['58-17=41', '69+41=110'] Exploring Operation: 110-87=23, Resulting Numbers: [23] 23,93 unequal: No Solution Exploring Operation: 87+110=197, Resulting Numbers: [197] 197,93 unequal: No Solution Exploring Operation: 87*110=9570, Resulting Numbers: [9570] 9570,93 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:[69, 46], Operations: ['58-17=41', '87-41=46'] Exploring Operation: 69-46=23, Resulting Numbers: [23] 23,93 unequal: No Solution Exploring Operation: 69*46=3174, Resulting Numbers: [3174] 3174,93 unequal: No Solution Exploring Operation: 69+46=115, Resulting Numbers: [115] 115,93 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:[69, 128], Operations: ['58-17=41', '87+41=128'] Exploring Operation: 69*128=8832, Resulting Numbers: [8832] 8832,93 unequal: No Solution Exploring Operation: 128-69=59, Resulting Numbers: [59] 59,93 unequal: No Solution Exploring Operation: 69+128=197, Resulting Numbers: [197] 197,93 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: 93:[87, 58, 86], Operations: ['17+69=86'] Exploring Operation: 86-58=28, Resulting Numbers: [87, 28] Generated Node #0,3,0: 93:[87, 28] Operation: 86-58=28 Exploring Operation: 87-86=1, Resulting Numbers: [58, 1] Generated Node #0,3,1: 93:[58, 1] Operation: 87-86=1 Exploring Operation: 58+86=144, Resulting Numbers: [87, 144] Generated Node #0,3,2: 93:[87, 144] Operation: 58+86=144 Exploring Operation: 87+58=145, Resulting Numbers: [86, 145] Generated Node #0,3,3: 93:[86, 145] Operation: 87+58=145 Exploring Operation: 87-58=29, Resulting Numbers: [86, 29] Generated Node #0,3,4: 93:[86, 29] Operation: 87-58=29 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 93:[87, 28], Operations: ['17+69=86', '86-58=28'] Exploring Operation: 87-28=59, Resulting Numbers: [59] 59,93 unequal: No Solution Exploring Operation: 87+28=115, Resulting Numbers: [115] 115,93 unequal: No Solution Exploring Operation: 87*28=2436, Resulting Numbers: [2436] 2436,93 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 #0,3,4 Current State: 93:[86, 29], Operations: ['17+69=86', '87-58=29'] Exploring Operation: 86*29=2494, Resulting Numbers: [2494] 2494,93 unequal: No Solution Exploring Operation: 86+29=115, Resulting Numbers: [115] 115,93 unequal: No Solution Exploring Operation: 86-29=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 #0,3,1 Current State: 93:[58, 1], Operations: ['17+69=86', '87-86=1'] Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,93 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,93 unequal: No Solution Exploring Operation: 58-1=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 #0,3,2 Current State: 93:[87, 144], Operations: ['17+69=86', '58+86=144'] Exploring Operation: 144-87=57, Resulting Numbers: [57] 57,93 unequal: No Solution Exploring Operation: 87*144=12528, Resulting Numbers: [12528] 12528,93 unequal: No Solution Exploring Operation: 87+144=231, Resulting Numbers: [231] 231,93 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 #0,3,3 Current State: 93:[86, 145], Operations: ['17+69=86', '87+58=145'] Exploring Operation: 145-86=59, Resulting Numbers: [59] 59,93 unequal: No Solution Exploring Operation: 86*145=12470, Resulting Numbers: [12470] 12470,93 unequal: No Solution Exploring Operation: 86+145=231, Resulting Numbers: [231] 231,93 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: 93:[87, 69, 75], Operations: ['17+58=75'] Exploring Operation: 75-69=6, Resulting Numbers: [87, 6] Generated Node #0,4,0: 93:[87, 6] Operation: 75-69=6 Exploring Operation: 87+69=156, Resulting Numbers: [75, 156] Generated Node #0,4,1: 93:[75, 156] Operation: 87+69=156 Exploring Operation: 87-75=12, Resulting Numbers: [69, 12] Generated Node #0,4,2: 93:[69, 12] Operation: 87-75=12 Exploring Operation: 87-69=18, Resulting Numbers: [75, 18] Generated Node #0,4,3: 93:[75, 18] Operation: 87-69=18 Exploring Operation: 69+75=144, Resulting Numbers: [87, 144] Generated Node #0,4,4: 93:[87, 144] Operation: 69+75=144 Moving to Node #0,0,1 Current State: 93:[87, 28], Operations: ['69-58=11', '17+11=28'] Exploring Operation: 87-28=59, Resulting Numbers: [59] 59,93 unequal: No Solution Exploring Operation: 87*28=2436, Resulting Numbers: [2436] 2436,93 unequal: No Solution Exploring Operation: 87+28=115, Resulting Numbers: [115] 115,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[29, 86], Operations: ['87-58=29', '17+69=86'] Exploring Operation: 86-29=57, Resulting Numbers: [57] 57,93 unequal: No Solution Exploring Operation: 29*86=2494, Resulting Numbers: [2494] 2494,93 unequal: No Solution Exploring Operation: 29+86=115, Resulting Numbers: [115] 115,93 unequal: No Solution Moving to Node #0,0,3 Current State: 93:[87, 6], Operations: ['69-58=11', '17-11=6'] Exploring Operation: 87*6=522, Resulting Numbers: [522] 522,93 unequal: No Solution Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[87, 17, 58, 69], Operations: [] Exploring Operation: 69-58=11, Resulting Numbers: [87, 17, 11] Generated Node #0,0: 93:[87, 17, 11] Operation: 69-58=11 Moving to Node #0,0 Current State: 93:[87, 17, 11], Operations: ['69-58=11'] Exploring Operation: 17-11=6, Resulting Numbers: [87, 6] Generated Node #0,0,3: 93:[87, 6] Operation: 17-11=6 Moving to Node #0,0,3 Current State: 93:[87, 6], Operations: ['69-58=11', '17-11=6'] Exploring Operation: 87+6=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.936632
hs_5
mult_heuristic
[ 51, 38, 48, 33 ]
81
[ "51-48=3", "38*3=114", "114-33=81" ]
Current State: 81:[51, 38, 48, 33], Operations: [] Exploring Operation: 51-48=3, Resulting Numbers: [38, 33, 3] Generated Node #2: [38, 33, 3] from Operation: 51-48=3 Current State: 81:[38, 33, 3], Operations: ['51-48=3'] Exploring Operation: 38*3=114, Resulting Numbers: [33, 114] Generated Node #3: [33, 114] from Operation: 38*3=114 Current State: 81:[33, 114], Operations: ['51-48=3', '38*3=114'] Exploring Operation: 114-33=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[51, 38, 48, 33], Operations: [] Exploring Operation: 48-38=10, Resulting Numbers: [51, 33, 10] Generated Node #0,0: 81:[51, 33, 10] Operation: 48-38=10 Exploring Operation: 51+48=99, Resulting Numbers: [38, 33, 99] Generated Node #0,1: 81:[38, 33, 99] Operation: 51+48=99 Exploring Operation: 51+38=89, Resulting Numbers: [48, 33, 89] Generated Node #0,2: 81:[48, 33, 89] Operation: 51+38=89 Exploring Operation: 51-48=3, Resulting Numbers: [38, 33, 3] Generated Node #0,3: 81:[38, 33, 3] Operation: 51-48=3 Exploring Operation: 51-38=13, Resulting Numbers: [48, 33, 13] Generated Node #0,4: 81:[48, 33, 13] Operation: 51-38=13 Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[38, 33, 3], Operations: ['51-48=3'] Exploring Operation: 33/3=11, Resulting Numbers: [38, 11] Generated Node #0,3,0: 81:[38, 11] Operation: 33/3=11 Exploring Operation: 38+33=71, Resulting Numbers: [3, 71] Generated Node #0,3,1: 81:[3, 71] Operation: 38+33=71 Exploring Operation: 38-33=5, Resulting Numbers: [3, 5] Generated Node #0,3,2: 81:[3, 5] Operation: 38-33=5 Exploring Operation: 38-3=35, Resulting Numbers: [33, 35] Generated Node #0,3,3: 81:[33, 35] Operation: 38-3=35 Exploring Operation: 33-3=30, Resulting Numbers: [38, 30] Generated Node #0,3,4: 81:[38, 30] Operation: 33-3=30 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 81:[3, 5], Operations: ['51-48=3', '38-33=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 81:[3, 71], Operations: ['51-48=3', '38+33=71'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,81 unequal: No Solution Exploring Operation: 3*71=213, Resulting Numbers: [213] 213,81 unequal: No Solution Exploring Operation: 3+71=74, Resulting Numbers: [74] 74,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 81:[38, 11], Operations: ['51-48=3', '33/3=11'] Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,81 unequal: No Solution Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,81 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 81:[33, 35], Operations: ['51-48=3', '38-3=35'] Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,81 unequal: No Solution Exploring Operation: 33*35=1155, Resulting Numbers: [1155] 1155,81 unequal: No Solution Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 81:[38, 30], Operations: ['51-48=3', '33-3=30'] Exploring Operation: 38*30=1140, Resulting Numbers: [1140] 1140,81 unequal: No Solution Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,81 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[51, 33, 10], Operations: ['48-38=10'] Exploring Operation: 51-33=18, Resulting Numbers: [10, 18] Generated Node #0,0,0: 81:[10, 18] Operation: 51-33=18 Exploring Operation: 51+10=61, Resulting Numbers: [33, 61] Generated Node #0,0,1: 81:[33, 61] Operation: 51+10=61 Exploring Operation: 51-10=41, Resulting Numbers: [33, 41] Generated Node #0,0,2: 81:[33, 41] Operation: 51-10=41 Exploring Operation: 33-10=23, Resulting Numbers: [51, 23] Generated Node #0,0,3: 81:[51, 23] Operation: 33-10=23 Exploring Operation: 51+33=84, Resulting Numbers: [10, 84] Generated Node #0,0,4: 81:[10, 84] Operation: 51+33=84 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 81:[10, 84], Operations: ['48-38=10', '51+33=84'] Exploring Operation: 10*84=840, Resulting Numbers: [840] 840,81 unequal: No Solution Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 10+84=94, Resulting Numbers: [94] 94,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 81:[10, 18], Operations: ['48-38=10', '51-33=18'] Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,81 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 81:[33, 41], Operations: ['48-38=10', '51-10=41'] Exploring Operation: 33*41=1353, Resulting Numbers: [1353] 1353,81 unequal: No Solution Exploring Operation: 33+41=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 81:[33, 61], Operations: ['48-38=10', '51+10=61'] Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,81 unequal: No Solution Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 81:[51, 23], Operations: ['48-38=10', '33-10=23'] Exploring Operation: 51+23=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 51*23=1173, Resulting Numbers: [1173] 1173,81 unequal: No Solution Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 81:[48, 33, 13], Operations: ['51-38=13'] Exploring Operation: 48+13=61, Resulting Numbers: [33, 61] Generated Node #0,4,0: 81:[33, 61] Operation: 48+13=61 Exploring Operation: 48+33=81, Resulting Numbers: [13, 81] Generated Node #0,4,1: 81:[13, 81] Operation: 48+33=81 Exploring Operation: 48-33=15, Resulting Numbers: [13, 15] Generated Node #0,4,2: 81:[13, 15] Operation: 48-33=15 Exploring Operation: 48-13=35, Resulting Numbers: [33, 35] Generated Node #0,4,3: 81:[33, 35] Operation: 48-13=35 Exploring Operation: 33-13=20, Resulting Numbers: [48, 20] Generated Node #0,4,4: 81:[48, 20] Operation: 33-13=20 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 81:[13, 81], Operations: ['51-38=13', '48+33=81'] Exploring Operation: 13*81=1053, Resulting Numbers: [1053] 1053,81 unequal: No Solution Exploring Operation: 81-13=68, Resulting Numbers: [68] 68,81 unequal: No Solution Exploring Operation: 13+81=94, Resulting Numbers: [94] 94,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 81:[13, 15], Operations: ['51-38=13', '48-33=15'] Exploring Operation: 13+15=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 13*15=195, Resulting Numbers: [195] 195,81 unequal: No Solution Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 81:[33, 35], Operations: ['51-38=13', '48-13=35'] Exploring Operation: 33*35=1155, Resulting Numbers: [1155] 1155,81 unequal: No Solution Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,81 unequal: No Solution Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 81:[33, 61], Operations: ['51-38=13', '48+13=61'] Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,81 unequal: No Solution Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 81:[48, 20], Operations: ['51-38=13', '33-13=20'] Exploring Operation: 48-20=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 48+20=68, Resulting Numbers: [68] 68,81 unequal: No Solution Exploring Operation: 48*20=960, Resulting Numbers: [960] 960,81 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 81:[38, 33, 99], Operations: ['51+48=99'] Exploring Operation: 99/33=3, Resulting Numbers: [38, 3] Generated Node #0,1,0: 81:[38, 3] Operation: 99/33=3 Exploring Operation: 38+33=71, Resulting Numbers: [99, 71] Generated Node #0,1,1: 81:[99, 71] Operation: 38+33=71 Exploring Operation: 38-33=5, Resulting Numbers: [99, 5] Generated Node #0,1,2: 81:[99, 5] Operation: 38-33=5 Exploring Operation: 99-33=66, Resulting Numbers: [38, 66] Generated Node #0,1,3: 81:[38, 66] Operation: 99-33=66 Exploring Operation: 99-38=61, Resulting Numbers: [33, 61] Generated Node #0,1,4: 81:[33, 61] Operation: 99-38=61 Moving to Node #0,1,0 Current State: 81:[38, 3], Operations: ['51+48=99', '99/33=3'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,81 unequal: No Solution Exploring Operation: 38*3=114, Resulting Numbers: [114] 114,81 unequal: No Solution Exploring Operation: 38+3=41, Resulting Numbers: [41] 41,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[99, 5], Operations: ['51+48=99', '38-33=5'] Exploring Operation: 99-5=94, Resulting Numbers: [94] 94,81 unequal: No Solution Exploring Operation: 99+5=104, Resulting Numbers: [104] 104,81 unequal: No Solution Exploring Operation: 99*5=495, Resulting Numbers: [495] 495,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[38, 66], Operations: ['51+48=99', '99-33=66'] Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 38+66=104, Resulting Numbers: [104] 104,81 unequal: No Solution Exploring Operation: 38*66=2508, Resulting Numbers: [2508] 2508,81 unequal: No Solution Moving to Node #0,1,4 Current State: 81:[33, 61], Operations: ['51+48=99', '99-38=61'] Exploring Operation: 33*61=2013, Resulting Numbers: [2013] 2013,81 unequal: No Solution Exploring Operation: 61-33=28, Resulting Numbers: [28] 28,81 unequal: No Solution Exploring Operation: 33+61=94, Resulting Numbers: [94] 94,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[99, 71], Operations: ['51+48=99', '38+33=71'] Exploring Operation: 99*71=7029, Resulting Numbers: [7029] 7029,81 unequal: No Solution Exploring Operation: 99+71=170, Resulting Numbers: [170] 170,81 unequal: No Solution Exploring Operation: 99-71=28, Resulting Numbers: [28] 28,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 81:[48, 33, 89], Operations: ['51+38=89'] Exploring Operation: 48-33=15, Resulting Numbers: [89, 15] Generated Node #0,2,0: 81:[89, 15] Operation: 48-33=15 Exploring Operation: 48+33=81, Resulting Numbers: [89, 81] Generated Node #0,2,1: 81:[89, 81] Operation: 48+33=81 Exploring Operation: 89-48=41, Resulting Numbers: [33, 41] Generated Node #0,2,2: 81:[33, 41] Operation: 89-48=41 Exploring Operation: 89-33=56, Resulting Numbers: [48, 56] Generated Node #0,2,3: 81:[48, 56] Operation: 89-33=56 Exploring Operation: 48+89=137, Resulting Numbers: [33, 137] Generated Node #0,2,4: 81:[33, 137] Operation: 48+89=137 Moving to Node #0,2,1 Current State: 81:[89, 81], Operations: ['51+38=89', '48+33=81'] Exploring Operation: 89*81=7209, Resulting Numbers: [7209] 7209,81 unequal: No Solution Exploring Operation: 89-81=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 89+81=170, Resulting Numbers: [170] 170,81 unequal: No Solution Moving to Node #0,2,0 Current State: 81:[89, 15], Operations: ['51+38=89', '48-33=15'] Exploring Operation: 89*15=1335, Resulting Numbers: [1335] 1335,81 unequal: No Solution Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 89+15=104, Resulting Numbers: [104] 104,81 unequal: No Solution Moving to Node #0,2,2 Current State: 81:[33, 41], Operations: ['51+38=89', '89-48=41'] Exploring Operation: 33+41=74, Resulting Numbers: [74] 74,81 unequal: No Solution Exploring Operation: 33*41=1353, Resulting Numbers: [1353] 1353,81 unequal: No Solution Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,81 unequal: No Solution Moving to Node #0,2,3 Current State: 81:[48, 56], Operations: ['51+38=89', '89-33=56'] Exploring Operation: 48*56=2688, Resulting Numbers: [2688] 2688,81 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,81 unequal: No Solution Exploring Operation: 48+56=104, Resulting Numbers: [104] 104,81 unequal: No Solution Moving to Node #0,2,4 Current State: 81:[33, 137], Operations: ['51+38=89', '48+89=137'] Exploring Operation: 137-33=104, Resulting Numbers: [104] 104,81 unequal: No Solution Exploring Operation: 33*137=4521, Resulting Numbers: [4521] 4521,81 unequal: No Solution Exploring Operation: 33+137=170, Resulting Numbers: [170] 170,81 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
[ 27, 16, 94, 97 ]
25
[ "97-94=3", "27/3=9", "16+9=25" ]
Current State: 25:[27, 16, 94, 97], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [27, 16, 3] Generated Node #2: [27, 16, 3] from Operation: 97-94=3 Current State: 25:[27, 16, 3], Operations: ['97-94=3'] Exploring Operation: 27/3=9, Resulting Numbers: [16, 9] Generated Node #3: [16, 9] from Operation: 27/3=9 Current State: 25:[16, 9], Operations: ['97-94=3', '27/3=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[27, 16, 94, 97], Operations: [] Exploring Operation: 94-27=67, Resulting Numbers: [16, 97, 67] Generated Node #0,0: 25:[16, 97, 67] Operation: 94-27=67 Exploring Operation: 97-94=3, Resulting Numbers: [27, 16, 3] Generated Node #0,1: 25:[27, 16, 3] Operation: 97-94=3 Exploring Operation: 97-27=70, Resulting Numbers: [16, 94, 70] Generated Node #0,2: 25:[16, 94, 70] Operation: 97-27=70 Exploring Operation: 94-16=78, Resulting Numbers: [27, 97, 78] Generated Node #0,3: 25:[27, 97, 78] Operation: 94-16=78 Exploring Operation: 97-16=81, Resulting Numbers: [27, 94, 81] Generated Node #0,4: 25:[27, 94, 81] Operation: 97-16=81 Moving to Node #0,1 Current State: 25:[27, 16, 3], Operations: ['97-94=3'] Exploring Operation: 27-3=24, Resulting Numbers: [16, 24] Generated Node #0,1,0: 25:[16, 24] Operation: 27-3=24 Exploring Operation: 27/3=9, Resulting Numbers: [16, 9] Generated Node #0,1,1: 25:[16, 9] Operation: 27/3=9 Exploring Operation: 16+3=19, Resulting Numbers: [27, 19] Generated Node #0,1,2: 25:[27, 19] Operation: 16+3=19 Exploring Operation: 16-3=13, Resulting Numbers: [27, 13] Generated Node #0,1,3: 25:[27, 13] Operation: 16-3=13 Exploring Operation: 27-16=11, Resulting Numbers: [3, 11] Generated Node #0,1,4: 25:[3, 11] Operation: 27-16=11 Moving to Node #0,2 Current State: 25:[16, 94, 70], Operations: ['97-27=70'] Exploring Operation: 16+70=86, Resulting Numbers: [94, 86] Generated Node #0,2,0: 25:[94, 86] Operation: 16+70=86 Exploring Operation: 94-16=78, Resulting Numbers: [70, 78] Generated Node #0,2,1: 25:[70, 78] Operation: 94-16=78 Exploring Operation: 70-16=54, Resulting Numbers: [94, 54] Generated Node #0,2,2: 25:[94, 54] Operation: 70-16=54 Exploring Operation: 94-70=24, Resulting Numbers: [16, 24] Generated Node #0,2,3: 25:[16, 24] Operation: 94-70=24 Exploring Operation: 16+94=110, Resulting Numbers: [70, 110] Generated Node #0,2,4: 25:[70, 110] Operation: 16+94=110 Moving to Node #0,0 Current State: 25:[16, 97, 67], Operations: ['94-27=67'] Exploring Operation: 97-16=81, Resulting Numbers: [67, 81] Generated Node #0,0,0: 25:[67, 81] Operation: 97-16=81 Exploring Operation: 67-16=51, Resulting Numbers: [97, 51] Generated Node #0,0,1: 25:[97, 51] Operation: 67-16=51 Exploring Operation: 97-67=30, Resulting Numbers: [16, 30] Generated Node #0,0,2: 25:[16, 30] Operation: 97-67=30 Exploring Operation: 16+67=83, Resulting Numbers: [97, 83] Generated Node #0,0,3: 25:[97, 83] Operation: 16+67=83 Exploring Operation: 16+97=113, Resulting Numbers: [67, 113] Generated Node #0,0,4: 25:[67, 113] Operation: 16+97=113 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 25:[16, 30], Operations: ['94-27=67', '97-67=30'] Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 16+30=46, Resulting Numbers: [46] 46,25 unequal: No Solution Exploring Operation: 16*30=480, Resulting Numbers: [480] 480,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[67, 81], Operations: ['94-27=67', '97-16=81'] Exploring Operation: 81-67=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 67+81=148, Resulting Numbers: [148] 148,25 unequal: No Solution Exploring Operation: 67*81=5427, Resulting Numbers: [5427] 5427,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[97, 51], Operations: ['94-27=67', '67-16=51'] Exploring Operation: 97+51=148, Resulting Numbers: [148] 148,25 unequal: No Solution Exploring Operation: 97*51=4947, Resulting Numbers: [4947] 4947,25 unequal: No Solution Exploring Operation: 97-51=46, Resulting Numbers: [46] 46,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 25:[97, 83], Operations: ['94-27=67', '16+67=83'] Exploring Operation: 97-83=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 97+83=180, Resulting Numbers: [180] 180,25 unequal: No Solution Exploring Operation: 97*83=8051, Resulting Numbers: [8051] 8051,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 25:[67, 113], Operations: ['94-27=67', '16+97=113'] Exploring Operation: 67*113=7571, Resulting Numbers: [7571] 7571,25 unequal: No Solution Exploring Operation: 67+113=180, Resulting Numbers: [180] 180,25 unequal: No Solution Exploring Operation: 113-67=46, Resulting Numbers: [46] 46,25 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: 25:[27, 97, 78], Operations: ['94-16=78'] Exploring Operation: 27+97=124, Resulting Numbers: [78, 124] Generated Node #0,3,0: 25:[78, 124] Operation: 27+97=124 Exploring Operation: 97-27=70, Resulting Numbers: [78, 70] Generated Node #0,3,1: 25:[78, 70] Operation: 97-27=70 Exploring Operation: 78-27=51, Resulting Numbers: [97, 51] Generated Node #0,3,2: 25:[97, 51] Operation: 78-27=51 Exploring Operation: 97-78=19, Resulting Numbers: [27, 19] Generated Node #0,3,3: 25:[27, 19] Operation: 97-78=19 Exploring Operation: 27+78=105, Resulting Numbers: [97, 105] Generated Node #0,3,4: 25:[97, 105] Operation: 27+78=105 Moving to Node #0,4 Current State: 25:[27, 94, 81], Operations: ['97-16=81'] Exploring Operation: 94-27=67, Resulting Numbers: [81, 67] Generated Node #0,4,0: 25:[81, 67] Operation: 94-27=67 Exploring Operation: 81-27=54, Resulting Numbers: [94, 54] Generated Node #0,4,1: 25:[94, 54] Operation: 81-27=54 Exploring Operation: 81/27=3, Resulting Numbers: [94, 3] Generated Node #0,4,2: 25:[94, 3] Operation: 81/27=3 Exploring Operation: 94-81=13, Resulting Numbers: [27, 13] Generated Node #0,4,3: 25:[27, 13] Operation: 94-81=13 Exploring Operation: 27+94=121, Resulting Numbers: [81, 121] Generated Node #0,4,4: 25:[81, 121] Operation: 27+94=121 Moving to Node #0,1,2 Current State: 25:[27, 19], Operations: ['97-94=3', '16+3=19'] Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,25 unequal: No Solution Exploring Operation: 27*19=513, Resulting Numbers: [513] 513,25 unequal: No Solution Moving to Node #0,1,4 Current State: 25:[3, 11], Operations: ['97-94=3', '27-16=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[27, 19], Operations: ['94-16=78', '97-78=19'] Exploring Operation: 27*19=513, Resulting Numbers: [513] 513,25 unequal: No Solution Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,25 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[16, 24], Operations: ['97-94=3', '27-3=24'] Exploring Operation: 16*24=384, Resulting Numbers: [384] 384,25 unequal: No Solution Exploring Operation: 16+24=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[16, 24], Operations: ['97-27=70', '94-70=24'] Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,25 unequal: No Solution Exploring Operation: 16*24=384, Resulting Numbers: [384] 384,25 unequal: No Solution Exploring Operation: 16+24=40, Resulting Numbers: [40] 40,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[27, 13], Operations: ['97-94=3', '16-3=13'] Exploring Operation: 27*13=351, Resulting Numbers: [351] 351,25 unequal: No Solution Exploring Operation: 27+13=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 27-13=14, Resulting Numbers: [14] 14,25 unequal: No Solution Moving to Node #0,4,3 Current State: 25:[27, 13], Operations: ['97-16=81', '94-81=13'] Exploring Operation: 27-13=14, Resulting Numbers: [14] 14,25 unequal: No Solution Exploring Operation: 27*13=351, Resulting Numbers: [351] 351,25 unequal: No Solution Exploring Operation: 27+13=40, Resulting Numbers: [40] 40,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[16, 9], Operations: ['97-94=3', '27/3=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[27, 16, 94, 97], Operations: [] Exploring Operation: 97-94=3, Resulting Numbers: [27, 16, 3] Generated Node #0,1: 25:[27, 16, 3] Operation: 97-94=3 Moving to Node #0,1 Current State: 25:[27, 16, 3], Operations: ['97-94=3'] Exploring Operation: 27/3=9, Resulting Numbers: [16, 9] Generated Node #0,1,1: 25:[16, 9] Operation: 27/3=9 Moving to Node #0,1,1 Current State: 25:[16, 9], Operations: ['97-94=3', '27/3=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.938368
hs_5
mult_heuristic
[ 96, 35, 30, 49 ]
29
[ "96+49=145", "35-30=5", "145/5=29" ]
Current State: 29:[96, 35, 30, 49], Operations: [] Exploring Operation: 96+49=145, Resulting Numbers: [35, 30, 145] Generated Node #2: [35, 30, 145] from Operation: 96+49=145 Current State: 29:[35, 30, 145], Operations: ['96+49=145'] Exploring Operation: 35-30=5, Resulting Numbers: [145, 5] Generated Node #3: [145, 5] from Operation: 35-30=5 Current State: 29:[145, 5], Operations: ['96+49=145', '35-30=5'] Exploring Operation: 145/5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[96, 35, 30, 49], Operations: [] Exploring Operation: 49-35=14, Resulting Numbers: [96, 30, 14] Generated Node #0,0: 29:[96, 30, 14] Operation: 49-35=14 Exploring Operation: 96-49=47, Resulting Numbers: [35, 30, 47] Generated Node #0,1: 29:[35, 30, 47] Operation: 96-49=47 Exploring Operation: 96-35=61, Resulting Numbers: [30, 49, 61] Generated Node #0,2: 29:[30, 49, 61] Operation: 96-35=61 Exploring Operation: 96-30=66, Resulting Numbers: [35, 49, 66] Generated Node #0,3: 29:[35, 49, 66] Operation: 96-30=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[35, 30, 47], Operations: ['96-49=47'] Exploring Operation: 47-35=12, Resulting Numbers: [30, 12] Generated Node #0,1,0: 29:[30, 12] Operation: 47-35=12 Exploring Operation: 35+30=65, Resulting Numbers: [47, 65] Generated Node #0,1,1: 29:[47, 65] Operation: 35+30=65 Exploring Operation: 47-30=17, Resulting Numbers: [35, 17] Generated Node #0,1,2: 29:[35, 17] Operation: 47-30=17 Exploring Operation: 35-30=5, Resulting Numbers: [47, 5] Generated Node #0,1,3: 29:[47, 5] Operation: 35-30=5 Moving to Node #0,1,0 Current State: 29:[30, 12], Operations: ['96-49=47', '47-35=12'] Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,29 unequal: No Solution Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,29 unequal: No Solution Moving to Node #0,1,2 Current State: 29:[35, 17], Operations: ['96-49=47', '47-30=17'] Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,29 unequal: No Solution Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,29 unequal: No Solution Moving to Node #0,1,3 Current State: 29:[47, 5], Operations: ['96-49=47', '35-30=5'] Exploring Operation: 47-5=42, Resulting Numbers: [42] 42,29 unequal: No Solution Exploring Operation: 47*5=235, Resulting Numbers: [235] 235,29 unequal: No Solution Exploring Operation: 47+5=52, Resulting Numbers: [52] 52,29 unequal: No Solution Moving to Node #0,1,1 Current State: 29:[47, 65], Operations: ['96-49=47', '35+30=65'] Exploring Operation: 65-47=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 47+65=112, Resulting Numbers: [112] 112,29 unequal: No Solution Exploring Operation: 47*65=3055, Resulting Numbers: [3055] 3055,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[30, 49, 61], Operations: ['96-35=61'] Exploring Operation: 61-49=12, Resulting Numbers: [30, 12] Generated Node #0,2,0: 29:[30, 12] Operation: 61-49=12 Exploring Operation: 61-30=31, Resulting Numbers: [49, 31] Generated Node #0,2,1: 29:[49, 31] Operation: 61-30=31 Exploring Operation: 49-30=19, Resulting Numbers: [61, 19] Generated Node #0,2,2: 29:[61, 19] Operation: 49-30=19 Exploring Operation: 30+49=79, Resulting Numbers: [61, 79] Generated Node #0,2,3: 29:[61, 79] Operation: 30+49=79 Moving to Node #0,2,0 Current State: 29:[30, 12], Operations: ['96-35=61', '61-49=12'] Exploring Operation: 30-12=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 30+12=42, Resulting Numbers: [42] 42,29 unequal: No Solution Exploring Operation: 30*12=360, Resulting Numbers: [360] 360,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[49, 31], Operations: ['96-35=61', '61-30=31'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,29 unequal: No Solution Moving to Node #0,2,2 Current State: 29:[61, 19], Operations: ['96-35=61', '49-30=19'] Exploring Operation: 61+19=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 61*19=1159, Resulting Numbers: [1159] 1159,29 unequal: No Solution Exploring Operation: 61-19=42, Resulting Numbers: [42] 42,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[61, 79], Operations: ['96-35=61', '30+49=79'] Exploring Operation: 61*79=4819, Resulting Numbers: [4819] 4819,29 unequal: No Solution Exploring Operation: 61+79=140, Resulting Numbers: [140] 140,29 unequal: No Solution Exploring Operation: 79-61=18, Resulting Numbers: [18] 18,29 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 #0,3 Current State: 29:[35, 49, 66], Operations: ['96-30=66'] Exploring Operation: 66-49=17, Resulting Numbers: [35, 17] Generated Node #0,3,0: 29:[35, 17] Operation: 66-49=17 Exploring Operation: 66-35=31, Resulting Numbers: [49, 31] Generated Node #0,3,1: 29:[49, 31] Operation: 66-35=31 Exploring Operation: 35+49=84, Resulting Numbers: [66, 84] Generated Node #0,3,2: 29:[66, 84] Operation: 35+49=84 Exploring Operation: 49-35=14, Resulting Numbers: [66, 14] Generated Node #0,3,3: 29:[66, 14] Operation: 49-35=14 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 29:[35, 17], Operations: ['96-30=66', '66-49=17'] Exploring Operation: 35*17=595, Resulting Numbers: [595] 595,29 unequal: No Solution Exploring Operation: 35+17=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 35-17=18, Resulting Numbers: [18] 18,29 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:[49, 31], Operations: ['96-30=66', '66-35=31'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,29 unequal: No Solution Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 29:[66, 14], Operations: ['96-30=66', '49-35=14'] Exploring Operation: 66*14=924, Resulting Numbers: [924] 924,29 unequal: No Solution Exploring Operation: 66+14=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 66-14=52, Resulting Numbers: [52] 52,29 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:[66, 84], Operations: ['96-30=66', '35+49=84'] Exploring Operation: 66*84=5544, Resulting Numbers: [5544] 5544,29 unequal: No Solution Exploring Operation: 84-66=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 66+84=150, Resulting Numbers: [150] 150,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[96, 30, 14], Operations: ['49-35=14'] Exploring Operation: 96+14=110, Resulting Numbers: [30, 110] Generated Node #0,0,0: 29:[30, 110] Operation: 96+14=110 Exploring Operation: 30-14=16, Resulting Numbers: [96, 16] Generated Node #0,0,1: 29:[96, 16] Operation: 30-14=16 Exploring Operation: 96-30=66, Resulting Numbers: [14, 66] Generated Node #0,0,2: 29:[14, 66] Operation: 96-30=66 Exploring Operation: 96-14=82, Resulting Numbers: [30, 82] Generated Node #0,0,3: 29:[30, 82] Operation: 96-14=82 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[14, 66], Operations: ['49-35=14', '96-30=66'] Exploring Operation: 66-14=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 14+66=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 14*66=924, Resulting Numbers: [924] 924,29 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 #0,0,3 Current State: 29:[30, 82], Operations: ['49-35=14', '96-14=82'] Exploring Operation: 82-30=52, Resulting Numbers: [52] 52,29 unequal: No Solution Exploring Operation: 30+82=112, Resulting Numbers: [112] 112,29 unequal: No Solution Exploring Operation: 30*82=2460, Resulting Numbers: [2460] 2460,29 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:[96, 16], Operations: ['49-35=14', '30-14=16'] Exploring Operation: 96+16=112, Resulting Numbers: [112] 112,29 unequal: No Solution Exploring Operation: 96-16=80, Resulting Numbers: [80] 80,29 unequal: No Solution Exploring Operation: 96/16=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 96*16=1536, Resulting Numbers: [1536] 1536,29 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:[30, 110], Operations: ['49-35=14', '96+14=110'] Exploring Operation: 30+110=140, Resulting Numbers: [140] 140,29 unequal: No Solution Exploring Operation: 30*110=3300, Resulting Numbers: [3300] 3300,29 unequal: No Solution Exploring Operation: 110-30=80, Resulting Numbers: [80] 80,29 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 No solution found.
0
hs_4
sum_heuristic
[ 31, 40, 96, 84 ]
59
[ "31+40=71", "96-84=12", "71-12=59" ]
Current State: 59:[31, 40, 96, 84], Operations: [] Exploring Operation: 31+40=71, Resulting Numbers: [96, 84, 71] Generated Node #2: [96, 84, 71] from Operation: 31+40=71 Current State: 59:[96, 84, 71], Operations: ['31+40=71'] Exploring Operation: 96-84=12, Resulting Numbers: [71, 12] Generated Node #3: [71, 12] from Operation: 96-84=12 Current State: 59:[71, 12], Operations: ['31+40=71', '96-84=12'] Exploring Operation: 71-12=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[31, 40, 96, 84], Operations: [] Exploring Operation: 96-40=56, Resulting Numbers: [31, 84, 56] Generated Node #0,0: 59:[31, 84, 56] Operation: 96-40=56 Exploring Operation: 96-31=65, Resulting Numbers: [40, 84, 65] Generated Node #0,1: 59:[40, 84, 65] Operation: 96-31=65 Exploring Operation: 84-40=44, Resulting Numbers: [31, 96, 44] Generated Node #0,2: 59:[31, 96, 44] Operation: 84-40=44 Exploring Operation: 31+40=71, Resulting Numbers: [96, 84, 71] Generated Node #0,3: 59:[96, 84, 71] Operation: 31+40=71 Exploring Operation: 84-31=53, Resulting Numbers: [40, 96, 53] Generated Node #0,4: 59:[40, 96, 53] Operation: 84-31=53 Moving to Node #0,1 Current State: 59:[40, 84, 65], Operations: ['96-31=65'] Exploring Operation: 84-65=19, Resulting Numbers: [40, 19] Generated Node #0,1,0: 59:[40, 19] Operation: 84-65=19 Exploring Operation: 65-40=25, Resulting Numbers: [84, 25] Generated Node #0,1,1: 59:[84, 25] Operation: 65-40=25 Exploring Operation: 84-40=44, Resulting Numbers: [65, 44] Generated Node #0,1,2: 59:[65, 44] Operation: 84-40=44 Exploring Operation: 40+65=105, Resulting Numbers: [84, 105] Generated Node #0,1,3: 59:[84, 105] Operation: 40+65=105 Exploring Operation: 40+84=124, Resulting Numbers: [65, 124] Generated Node #0,1,4: 59:[65, 124] Operation: 40+84=124 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 59:[65, 44], Operations: ['96-31=65', '84-40=44'] Exploring Operation: 65*44=2860, Resulting Numbers: [2860] 2860,59 unequal: No Solution Exploring Operation: 65+44=109, Resulting Numbers: [109] 109,59 unequal: No Solution Exploring Operation: 65-44=21, Resulting Numbers: [21] 21,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 59:[40, 19], Operations: ['96-31=65', '84-65=19'] Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,59 unequal: No Solution Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[31, 40, 96, 84], Operations: [] Exploring Operation: 96-31=65, Resulting Numbers: [40, 84, 65] Generated Node #0,1: 59:[40, 84, 65] Operation: 96-31=65 Moving to Node #0,1 Current State: 59:[40, 84, 65], Operations: ['96-31=65'] Exploring Operation: 84-65=19, Resulting Numbers: [40, 19] Generated Node #0,1,0: 59:[40, 19] Operation: 84-65=19 Moving to Node #0,1,0 Current State: 59:[40, 19], Operations: ['96-31=65', '84-65=19'] Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 86, 48, 78, 96 ]
56
[ "86-48=38", "96-78=18", "38+18=56" ]
Current State: 56:[86, 48, 78, 96], Operations: [] Exploring Operation: 86-48=38, Resulting Numbers: [78, 96, 38] Generated Node #2: [78, 96, 38] from Operation: 86-48=38 Current State: 56:[78, 96, 38], Operations: ['86-48=38'] Exploring Operation: 96-78=18, Resulting Numbers: [38, 18] Generated Node #3: [38, 18] from Operation: 96-78=18 Current State: 56:[38, 18], Operations: ['86-48=38', '96-78=18'] Exploring Operation: 38+18=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[86, 48, 78, 96], Operations: [] Exploring Operation: 96-86=10, Resulting Numbers: [48, 78, 10] Generated Node #0,0: 56:[48, 78, 10] Operation: 96-86=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[48, 78, 10], Operations: ['96-86=10'] Exploring Operation: 78-48=30, Resulting Numbers: [10, 30] Generated Node #0,0,0: 56:[10, 30] Operation: 78-48=30 Moving to Node #0,0,0 Current State: 56:[10, 30], Operations: ['96-86=10', '78-48=30'] Exploring Operation: 30/10=3, Resulting Numbers: [3] 3,56 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
[ 2, 47, 55, 65 ]
14
[ "47+55=102", "102/2=51", "65-51=14" ]
Current State: 14:[2, 47, 55, 65], Operations: [] Exploring Operation: 47+55=102, Resulting Numbers: [2, 65, 102] Generated Node #2: [2, 65, 102] from Operation: 47+55=102 Current State: 14:[2, 65, 102], Operations: ['47+55=102'] Exploring Operation: 102/2=51, Resulting Numbers: [65, 51] Generated Node #3: [65, 51] from Operation: 102/2=51 Current State: 14:[65, 51], Operations: ['47+55=102', '102/2=51'] Exploring Operation: 65-51=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[2, 47, 55, 65], Operations: [] Exploring Operation: 65-55=10, Resulting Numbers: [2, 47, 10] Generated Node #0,0: 14:[2, 47, 10] Operation: 65-55=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[2, 47, 10], Operations: ['65-55=10'] Exploring Operation: 47-10=37, Resulting Numbers: [2, 37] Generated Node #0,0,0: 14:[2, 37] Operation: 47-10=37 Moving to Node #0,0,0 Current State: 14:[2, 37], Operations: ['65-55=10', '47-10=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 9, 87, 33, 53 ]
76
[ "9+87=96", "53-33=20", "96-20=76" ]
Current State: 76:[9, 87, 33, 53], Operations: [] Exploring Operation: 9+87=96, Resulting Numbers: [33, 53, 96] Generated Node #2: [33, 53, 96] from Operation: 9+87=96 Current State: 76:[33, 53, 96], Operations: ['9+87=96'] Exploring Operation: 53-33=20, Resulting Numbers: [96, 20] Generated Node #3: [96, 20] from Operation: 53-33=20 Current State: 76:[96, 20], Operations: ['9+87=96', '53-33=20'] Exploring Operation: 96-20=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[9, 87, 33, 53], Operations: [] Exploring Operation: 87-53=34, Resulting Numbers: [9, 33, 34] Generated Node #0,0: 76:[9, 33, 34] Operation: 87-53=34 Exploring Operation: 53-9=44, Resulting Numbers: [87, 33, 44] Generated Node #0,1: 76:[87, 33, 44] Operation: 53-9=44 Exploring Operation: 53-33=20, Resulting Numbers: [9, 87, 20] Generated Node #0,2: 76:[9, 87, 20] Operation: 53-33=20 Exploring Operation: 87-9=78, Resulting Numbers: [33, 53, 78] Generated Node #0,3: 76:[33, 53, 78] Operation: 87-9=78 Moving to Node #0,0 Current State: 76:[9, 33, 34], Operations: ['87-53=34'] Exploring Operation: 34-33=1, Resulting Numbers: [9, 1] Generated Node #0,0,0: 76:[9, 1] Operation: 34-33=1 Exploring Operation: 9+33=42, Resulting Numbers: [34, 42] Generated Node #0,0,1: 76:[34, 42] Operation: 9+33=42 Exploring Operation: 9+34=43, Resulting Numbers: [33, 43] Generated Node #0,0,2: 76:[33, 43] Operation: 9+34=43 Exploring Operation: 33-9=24, Resulting Numbers: [34, 24] Generated Node #0,0,3: 76:[34, 24] Operation: 33-9=24 Moving to Node #0,2 Current State: 76:[9, 87, 20], Operations: ['53-33=20'] Exploring Operation: 87-20=67, Resulting Numbers: [9, 67] Generated Node #0,2,0: 76:[9, 67] Operation: 87-20=67 Exploring Operation: 20-9=11, Resulting Numbers: [87, 11] Generated Node #0,2,1: 76:[87, 11] Operation: 20-9=11 Exploring Operation: 87-9=78, Resulting Numbers: [20, 78] Generated Node #0,2,2: 76:[20, 78] Operation: 87-9=78 Exploring Operation: 9+20=29, Resulting Numbers: [87, 29] Generated Node #0,2,3: 76:[87, 29] Operation: 9+20=29 Moving to Node #0,3 Current State: 76:[33, 53, 78], Operations: ['87-9=78'] Exploring Operation: 78-33=45, Resulting Numbers: [53, 45] Generated Node #0,3,0: 76:[53, 45] Operation: 78-33=45 Exploring Operation: 33+53=86, Resulting Numbers: [78, 86] Generated Node #0,3,1: 76:[78, 86] Operation: 33+53=86 Exploring Operation: 78-53=25, Resulting Numbers: [33, 25] Generated Node #0,3,2: 76:[33, 25] Operation: 78-53=25 Exploring Operation: 53-33=20, Resulting Numbers: [78, 20] Generated Node #0,3,3: 76:[78, 20] Operation: 53-33=20 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 76:[78, 20], Operations: ['87-9=78', '53-33=20'] Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,76 unequal: No Solution Exploring Operation: 78*20=1560, Resulting Numbers: [1560] 1560,76 unequal: No Solution Exploring Operation: 78+20=98, Resulting Numbers: [98] 98,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 76:[33, 25], Operations: ['87-9=78', '78-53=25'] Exploring Operation: 33-25=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 33*25=825, Resulting Numbers: [825] 825,76 unequal: No Solution Exploring Operation: 33+25=58, Resulting Numbers: [58] 58,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 76:[78, 86], Operations: ['87-9=78', '33+53=86'] Exploring Operation: 78+86=164, Resulting Numbers: [164] 164,76 unequal: No Solution Exploring Operation: 78*86=6708, Resulting Numbers: [6708] 6708,76 unequal: No Solution Exploring Operation: 86-78=8, Resulting Numbers: [8] 8,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 76:[53, 45], Operations: ['87-9=78', '78-33=45'] Exploring Operation: 53-45=8, Resulting Numbers: [8] 8,76 unequal: No Solution Exploring Operation: 53*45=2385, Resulting Numbers: [2385] 2385,76 unequal: No Solution Exploring Operation: 53+45=98, Resulting Numbers: [98] 98,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 76:[87, 33, 44], Operations: ['53-9=44'] Exploring Operation: 44-33=11, Resulting Numbers: [87, 11] Generated Node #0,1,0: 76:[87, 11] Operation: 44-33=11 Exploring Operation: 87-33=54, Resulting Numbers: [44, 54] Generated Node #0,1,1: 76:[44, 54] Operation: 87-33=54 Exploring Operation: 33+44=77, Resulting Numbers: [87, 77] Generated Node #0,1,2: 76:[87, 77] Operation: 33+44=77 Exploring Operation: 87-44=43, Resulting Numbers: [33, 43] Generated Node #0,1,3: 76:[33, 43] Operation: 87-44=43 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 76:[33, 43], Operations: ['53-9=44', '87-44=43'] Exploring Operation: 33*43=1419, Resulting Numbers: [1419] 1419,76 unequal: No Solution Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,76 unequal: No Solution Exploring Operation: 33+43=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[9, 87, 33, 53], Operations: [] Exploring Operation: 53-9=44, Resulting Numbers: [87, 33, 44] Generated Node #0,1: 76:[87, 33, 44] Operation: 53-9=44 Moving to Node #0,1 Current State: 76:[87, 33, 44], Operations: ['53-9=44'] Exploring Operation: 87-44=43, Resulting Numbers: [33, 43] Generated Node #0,1,3: 76:[33, 43] Operation: 87-44=43 Moving to Node #0,1,3 Current State: 76:[33, 43], Operations: ['53-9=44', '87-44=43'] Exploring Operation: 33+43=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_4
mult_heuristic
[ 73, 98, 30, 14 ]
50
[ "73-30=43", "98/14=7", "43+7=50" ]
Current State: 50:[73, 98, 30, 14], Operations: [] Exploring Operation: 73-30=43, Resulting Numbers: [98, 14, 43] Generated Node #2: [98, 14, 43] from Operation: 73-30=43 Current State: 50:[98, 14, 43], Operations: ['73-30=43'] Exploring Operation: 98/14=7, Resulting Numbers: [43, 7] Generated Node #3: [43, 7] from Operation: 98/14=7 Current State: 50:[43, 7], Operations: ['73-30=43', '98/14=7'] Exploring Operation: 43+7=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[73, 98, 30, 14], Operations: [] Exploring Operation: 98-30=68, Resulting Numbers: [73, 14, 68] Generated Node #0,0: 50:[73, 14, 68] Operation: 98-30=68 Exploring Operation: 98-73=25, Resulting Numbers: [30, 14, 25] Generated Node #0,1: 50:[30, 14, 25] Operation: 98-73=25 Exploring Operation: 98/14=7, Resulting Numbers: [73, 30, 7] Generated Node #0,2: 50:[73, 30, 7] Operation: 98/14=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[30, 14, 25], Operations: ['98-73=25'] Exploring Operation: 30+14=44, Resulting Numbers: [25, 44] Generated Node #0,1,0: 50:[25, 44] Operation: 30+14=44 Exploring Operation: 30-25=5, Resulting Numbers: [14, 5] Generated Node #0,1,1: 50:[14, 5] Operation: 30-25=5 Exploring Operation: 30-14=16, Resulting Numbers: [25, 16] Generated Node #0,1,2: 50:[25, 16] Operation: 30-14=16 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 50:[14, 5], Operations: ['98-73=25', '30-25=5'] Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,50 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,50 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,50 unequal: No Solution No 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: 50:[25, 44], Operations: ['98-73=25', '30+14=44'] Exploring Operation: 25*44=1100, Resulting Numbers: [1100] 1100,50 unequal: No Solution Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,50 unequal: No Solution Exploring Operation: 25+44=69, Resulting Numbers: [69] 69,50 unequal: No Solution No 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: 50:[25, 16], Operations: ['98-73=25', '30-14=16'] Exploring Operation: 25*16=400, Resulting Numbers: [400] 400,50 unequal: No Solution Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,50 unequal: No Solution Exploring Operation: 25+16=41, Resulting Numbers: [41] 41,50 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: 50:[73, 30, 7], Operations: ['98/14=7'] Exploring Operation: 73-30=43, Resulting Numbers: [7, 43] Generated Node #0,2,0: 50:[7, 43] Operation: 73-30=43 Exploring Operation: 30-7=23, Resulting Numbers: [73, 23] Generated Node #0,2,1: 50:[73, 23] Operation: 30-7=23 Exploring Operation: 73-7=66, Resulting Numbers: [30, 66] Generated Node #0,2,2: 50:[30, 66] Operation: 73-7=66 Moving to Node #0,2,0 Current State: 50:[7, 43], Operations: ['98/14=7', '73-30=43'] Exploring Operation: 7*43=301, Resulting Numbers: [301] 301,50 unequal: No Solution Exploring Operation: 43-7=36, Resulting Numbers: [36] 36,50 unequal: No Solution Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[73, 98, 30, 14], Operations: [] Exploring Operation: 98/14=7, Resulting Numbers: [73, 30, 7] Generated Node #0,2: 50:[73, 30, 7] Operation: 98/14=7 Moving to Node #0,2 Current State: 50:[73, 30, 7], Operations: ['98/14=7'] Exploring Operation: 73-30=43, Resulting Numbers: [7, 43] Generated Node #0,2,0: 50:[7, 43] Operation: 73-30=43 Moving to Node #0,2,0 Current State: 50:[7, 43], Operations: ['98/14=7', '73-30=43'] Exploring Operation: 7+43=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 8, 41, 3, 83 ]
79
[ "8*41=328", "3*83=249", "328-249=79" ]
Current State: 79:[8, 41, 3, 83], Operations: [] Exploring Operation: 8*41=328, Resulting Numbers: [3, 83, 328] Generated Node #2: [3, 83, 328] from Operation: 8*41=328 Current State: 79:[3, 83, 328], Operations: ['8*41=328'] Exploring Operation: 3*83=249, Resulting Numbers: [328, 249] Generated Node #3: [328, 249] from Operation: 3*83=249 Current State: 79:[328, 249], Operations: ['8*41=328', '3*83=249'] Exploring Operation: 328-249=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[8, 41, 3, 83], Operations: [] Exploring Operation: 8*3=24, Resulting Numbers: [41, 83, 24] Generated Node #0,0: 79:[41, 83, 24] Operation: 8*3=24 Moving to Node #0,0 Current State: 79:[41, 83, 24], Operations: ['8*3=24'] Exploring Operation: 41+24=65, Resulting Numbers: [83, 65] Generated Node #0,0,0: 79:[83, 65] Operation: 41+24=65 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[83, 65], Operations: ['8*3=24', '41+24=65'] Exploring Operation: 83-65=18, Resulting Numbers: [18] 18,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 72, 40, 3, 83 ]
87
[ "72+40=112", "112-83=29", "3*29=87" ]
Current State: 87:[72, 40, 3, 83], Operations: [] Exploring Operation: 72+40=112, Resulting Numbers: [3, 83, 112] Generated Node #2: [3, 83, 112] from Operation: 72+40=112 Current State: 87:[3, 83, 112], Operations: ['72+40=112'] Exploring Operation: 112-83=29, Resulting Numbers: [3, 29] Generated Node #3: [3, 29] from Operation: 112-83=29 Current State: 87:[3, 29], Operations: ['72+40=112', '112-83=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[72, 40, 3, 83], Operations: [] Exploring Operation: 72-40=32, Resulting Numbers: [3, 83, 32] Generated Node #0,0: 87:[3, 83, 32] Operation: 72-40=32 Exploring Operation: 83-72=11, Resulting Numbers: [40, 3, 11] Generated Node #0,1: 87:[40, 3, 11] Operation: 83-72=11 Moving to Node #0,0 Current State: 87:[3, 83, 32], Operations: ['72-40=32'] Exploring Operation: 3+83=86, Resulting Numbers: [32, 86] Generated Node #0,0,0: 87:[32, 86] Operation: 3+83=86 Exploring Operation: 32-3=29, Resulting Numbers: [83, 29] Generated Node #0,0,1: 87:[83, 29] Operation: 32-3=29 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[32, 86], Operations: ['72-40=32', '3+83=86'] Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,87 unequal: No Solution Exploring Operation: 32+86=118, Resulting Numbers: [118] 118,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[83, 29], Operations: ['72-40=32', '32-3=29'] Exploring Operation: 83-29=54, Resulting Numbers: [54] 54,87 unequal: No Solution Exploring Operation: 83+29=112, Resulting Numbers: [112] 112,87 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: 87:[40, 3, 11], Operations: ['83-72=11'] Exploring Operation: 3*11=33, Resulting Numbers: [40, 33] Generated Node #0,1,0: 87:[40, 33] Operation: 3*11=33 Exploring Operation: 40-11=29, Resulting Numbers: [3, 29] Generated Node #0,1,1: 87:[3, 29] Operation: 40-11=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 87:[3, 29], Operations: ['83-72=11', '40-11=29'] Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,87 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[72, 40, 3, 83], Operations: [] Exploring Operation: 83-72=11, Resulting Numbers: [40, 3, 11] Generated Node #0,1: 87:[40, 3, 11] Operation: 83-72=11 Moving to Node #0,1 Current State: 87:[40, 3, 11], Operations: ['83-72=11'] Exploring Operation: 40-11=29, Resulting Numbers: [3, 29] Generated Node #0,1,1: 87:[3, 29] Operation: 40-11=29 Moving to Node #0,1,1 Current State: 87:[3, 29], Operations: ['83-72=11', '40-11=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 55, 91, 43, 35 ]
28
[ "91-55=36", "43-35=8", "36-8=28" ]
Current State: 28:[55, 91, 43, 35], Operations: [] Exploring Operation: 91-55=36, Resulting Numbers: [43, 35, 36] Generated Node #2: [43, 35, 36] from Operation: 91-55=36 Current State: 28:[43, 35, 36], Operations: ['91-55=36'] Exploring Operation: 43-35=8, Resulting Numbers: [36, 8] Generated Node #3: [36, 8] from Operation: 43-35=8 Current State: 28:[36, 8], Operations: ['91-55=36', '43-35=8'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[55, 91, 43, 35], Operations: [] Exploring Operation: 91-35=56, Resulting Numbers: [55, 43, 56] Generated Node #0,0: 28:[55, 43, 56] Operation: 91-35=56 Exploring Operation: 91-43=48, Resulting Numbers: [55, 35, 48] Generated Node #0,1: 28:[55, 35, 48] Operation: 91-43=48 Exploring Operation: 91-55=36, Resulting Numbers: [43, 35, 36] Generated Node #0,2: 28:[43, 35, 36] Operation: 91-55=36 Moving to Node #0,2 Current State: 28:[43, 35, 36], Operations: ['91-55=36'] Exploring Operation: 36-35=1, Resulting Numbers: [43, 1] Generated Node #0,2,0: 28:[43, 1] Operation: 36-35=1 Exploring Operation: 43-35=8, Resulting Numbers: [36, 8] Generated Node #0,2,1: 28:[36, 8] Operation: 43-35=8 Exploring Operation: 43-36=7, Resulting Numbers: [35, 7] Generated Node #0,2,2: 28:[35, 7] Operation: 43-36=7 Moving to Node #0,1 Current State: 28:[55, 35, 48], Operations: ['91-43=48'] Exploring Operation: 48-35=13, Resulting Numbers: [55, 13] Generated Node #0,1,0: 28:[55, 13] Operation: 48-35=13 Exploring Operation: 55-35=20, Resulting Numbers: [48, 20] Generated Node #0,1,1: 28:[48, 20] Operation: 55-35=20 Exploring Operation: 55-48=7, Resulting Numbers: [35, 7] Generated Node #0,1,2: 28:[35, 7] Operation: 55-48=7 Moving to Node #0,0 Current State: 28:[55, 43, 56], Operations: ['91-35=56'] Exploring Operation: 56-55=1, Resulting Numbers: [43, 1] Generated Node #0,0,0: 28:[43, 1] Operation: 56-55=1 Exploring Operation: 56-43=13, Resulting Numbers: [55, 13] Generated Node #0,0,1: 28:[55, 13] Operation: 56-43=13 Exploring Operation: 55-43=12, Resulting Numbers: [56, 12] Generated Node #0,0,2: 28:[56, 12] Operation: 55-43=12 Moving to Node #0,2,2 Current State: 28:[35, 7], Operations: ['91-55=36', '43-36=7'] Exploring Operation: 35+7=42, Resulting Numbers: [42] 42,28 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[55, 91, 43, 35], Operations: [] Exploring Operation: 91-55=36, Resulting Numbers: [43, 35, 36] Generated Node #0,2: 28:[43, 35, 36] Operation: 91-55=36 Moving to Node #0,2 Current State: 28:[43, 35, 36], Operations: ['91-55=36'] Exploring Operation: 43-36=7, Resulting Numbers: [35, 7] Generated Node #0,2,2: 28:[35, 7] Operation: 43-36=7 Moving to Node #0,2,2 Current State: 28:[35, 7], Operations: ['91-55=36', '43-36=7'] Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.983507
hs_3
mult_heuristic
[ 6, 57, 24, 29 ]
68
[ "6+57=63", "29-24=5", "63+5=68" ]
Current State: 68:[6, 57, 24, 29], Operations: [] Exploring Operation: 6+57=63, Resulting Numbers: [24, 29, 63] Generated Node #2: [24, 29, 63] from Operation: 6+57=63 Current State: 68:[24, 29, 63], Operations: ['6+57=63'] Exploring Operation: 29-24=5, Resulting Numbers: [63, 5] Generated Node #3: [63, 5] from Operation: 29-24=5 Current State: 68:[63, 5], Operations: ['6+57=63', '29-24=5'] Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[6, 57, 24, 29], Operations: [] Exploring Operation: 57-29=28, Resulting Numbers: [6, 24, 28] Generated Node #0,0: 68:[6, 24, 28] Operation: 57-29=28 Exploring Operation: 57-24=33, Resulting Numbers: [6, 29, 33] Generated Node #0,1: 68:[6, 29, 33] Operation: 57-24=33 Exploring Operation: 29-24=5, Resulting Numbers: [6, 57, 5] Generated Node #0,2: 68:[6, 57, 5] Operation: 29-24=5 Exploring Operation: 6+57=63, Resulting Numbers: [24, 29, 63] Generated Node #0,3: 68:[24, 29, 63] Operation: 6+57=63 Exploring Operation: 24/6=4, Resulting Numbers: [57, 29, 4] Generated Node #0,4: 68:[57, 29, 4] Operation: 24/6=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[6, 29, 33], Operations: ['57-24=33'] Exploring Operation: 29+33=62, Resulting Numbers: [6, 62] Generated Node #0,1,0: 68:[6, 62] Operation: 29+33=62 Exploring Operation: 6+29=35, Resulting Numbers: [33, 35] Generated Node #0,1,1: 68:[33, 35] Operation: 6+29=35 Exploring Operation: 33-29=4, Resulting Numbers: [6, 4] Generated Node #0,1,2: 68:[6, 4] Operation: 33-29=4 Exploring Operation: 29-6=23, Resulting Numbers: [33, 23] Generated Node #0,1,3: 68:[33, 23] Operation: 29-6=23 Exploring Operation: 6+33=39, Resulting Numbers: [29, 39] Generated Node #0,1,4: 68:[29, 39] Operation: 6+33=39 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 68:[33, 35], Operations: ['57-24=33', '6+29=35'] Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[6, 57, 24, 29], Operations: [] Exploring Operation: 57-24=33, Resulting Numbers: [6, 29, 33] Generated Node #0,1: 68:[6, 29, 33] Operation: 57-24=33 Moving to Node #0,1 Current State: 68:[6, 29, 33], Operations: ['57-24=33'] Exploring Operation: 6+29=35, Resulting Numbers: [33, 35] Generated Node #0,1,1: 68:[33, 35] Operation: 6+29=35 Moving to Node #0,1,1 Current State: 68:[33, 35], Operations: ['57-24=33', '6+29=35'] Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 47, 20, 59, 9 ]
41
[ "47-20=27", "59+9=68", "68-27=41" ]
Current State: 41:[47, 20, 59, 9], Operations: [] Exploring Operation: 47-20=27, Resulting Numbers: [59, 9, 27] Generated Node #2: [59, 9, 27] from Operation: 47-20=27 Current State: 41:[59, 9, 27], Operations: ['47-20=27'] Exploring Operation: 59+9=68, Resulting Numbers: [27, 68] Generated Node #3: [27, 68] from Operation: 59+9=68 Current State: 41:[27, 68], Operations: ['47-20=27', '59+9=68'] Exploring Operation: 68-27=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[47, 20, 59, 9], Operations: [] Exploring Operation: 47+9=56, Resulting Numbers: [20, 59, 56] Generated Node #0,0: 41:[20, 59, 56] Operation: 47+9=56 Exploring Operation: 59-20=39, Resulting Numbers: [47, 9, 39] Generated Node #0,1: 41:[47, 9, 39] Operation: 59-20=39 Exploring Operation: 20+9=29, Resulting Numbers: [47, 59, 29] Generated Node #0,2: 41:[47, 59, 29] Operation: 20+9=29 Exploring Operation: 47-9=38, Resulting Numbers: [20, 59, 38] Generated Node #0,3: 41:[20, 59, 38] Operation: 47-9=38 Exploring Operation: 59-9=50, Resulting Numbers: [47, 20, 50] Generated Node #0,4: 41:[47, 20, 50] Operation: 59-9=50 Moving to Node #0,2 Current State: 41:[47, 59, 29], Operations: ['20+9=29'] Exploring Operation: 59-29=30, Resulting Numbers: [47, 30] Generated Node #0,2,0: 41:[47, 30] Operation: 59-29=30 Exploring Operation: 47-29=18, Resulting Numbers: [59, 18] Generated Node #0,2,1: 41:[59, 18] Operation: 47-29=18 Exploring Operation: 47+29=76, Resulting Numbers: [59, 76] Generated Node #0,2,2: 41:[59, 76] Operation: 47+29=76 Exploring Operation: 59-47=12, Resulting Numbers: [29, 12] Generated Node #0,2,3: 41:[29, 12] Operation: 59-47=12 Exploring Operation: 59+29=88, Resulting Numbers: [47, 88] Generated Node #0,2,4: 41:[47, 88] Operation: 59+29=88 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 41:[47, 30], Operations: ['20+9=29', '59-29=30'] Exploring Operation: 47+30=77, Resulting Numbers: [77] 77,41 unequal: No Solution Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,41 unequal: No Solution Exploring Operation: 47*30=1410, Resulting Numbers: [1410] 1410,41 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 #0,2,1 Current State: 41:[59, 18], Operations: ['20+9=29', '47-29=18'] Exploring Operation: 59+18=77, Resulting Numbers: [77] 77,41 unequal: No Solution Exploring Operation: 59*18=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:[47, 20, 59, 9], Operations: [] Exploring Operation: 20+9=29, Resulting Numbers: [47, 59, 29] Generated Node #0,2: 41:[47, 59, 29] Operation: 20+9=29 Moving to Node #0,2 Current State: 41:[47, 59, 29], Operations: ['20+9=29'] Exploring Operation: 47-29=18, Resulting Numbers: [59, 18] Generated Node #0,2,1: 41:[59, 18] Operation: 47-29=18 Moving to Node #0,2,1 Current State: 41:[59, 18], Operations: ['20+9=29', '47-29=18'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic