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
[ 93, 23, 4, 44 ]
30
[ "93-23=70", "44-4=40", "70-40=30" ]
Current State: 30:[93, 23, 4, 44], Operations: [] Exploring Operation: 93-23=70, Resulting Numbers: [4, 44, 70] Generated Node #2: [4, 44, 70] from Operation: 93-23=70 Current State: 30:[4, 44, 70], Operations: ['93-23=70'] Exploring Operation: 44-4=40, Resulting Numbers: [70, 40] Generated Node #3: [70, 40] from Operation: 44-4=40 Current State: 30:[70, 40], Operations: ['93-23=70', '44-4=40'] Exploring Operation: 70-40=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[93, 23, 4, 44], Operations: [] Exploring Operation: 44-23=21, Resulting Numbers: [93, 4, 21] Generated Node #0,0: 30:[93, 4, 21] Operation: 44-23=21 Exploring Operation: 93-44=49, Resulting Numbers: [23, 4, 49] Generated Node #0,1: 30:[23, 4, 49] Operation: 93-44=49 Exploring Operation: 44/4=11, Resulting Numbers: [93, 23, 11] Generated Node #0,2: 30:[93, 23, 11] Operation: 44/4=11 Exploring Operation: 93-23=70, Resulting Numbers: [4, 44, 70] Generated Node #0,3: 30:[4, 44, 70] Operation: 93-23=70 Moving to Node #0,1 Current State: 30:[23, 4, 49], Operations: ['93-44=49'] Exploring Operation: 23-4=19, Resulting Numbers: [49, 19] Generated Node #0,1,0: 30:[49, 19] Operation: 23-4=19 Exploring Operation: 23+4=27, Resulting Numbers: [49, 27] Generated Node #0,1,1: 30:[49, 27] Operation: 23+4=27 Exploring Operation: 49-23=26, Resulting Numbers: [4, 26] Generated Node #0,1,2: 30:[4, 26] Operation: 49-23=26 Exploring Operation: 49-4=45, Resulting Numbers: [23, 45] Generated Node #0,1,3: 30:[23, 45] Operation: 49-4=45 Moving to Node #0,3 Current State: 30:[4, 44, 70], Operations: ['93-23=70'] Exploring Operation: 44/4=11, Resulting Numbers: [70, 11] Generated Node #0,3,0: 30:[70, 11] Operation: 44/4=11 Exploring Operation: 70-44=26, Resulting Numbers: [4, 26] Generated Node #0,3,1: 30:[4, 26] Operation: 70-44=26 Exploring Operation: 70-4=66, Resulting Numbers: [44, 66] Generated Node #0,3,2: 30:[44, 66] Operation: 70-4=66 Exploring Operation: 44-4=40, Resulting Numbers: [70, 40] Generated Node #0,3,3: 30:[70, 40] Operation: 44-4=40 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 30:[4, 26], Operations: ['93-23=70', '70-44=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[93, 23, 4, 44], Operations: [] Exploring Operation: 93-23=70, Resulting Numbers: [4, 44, 70] Generated Node #0,3: 30:[4, 44, 70] Operation: 93-23=70 Moving to Node #0,3 Current State: 30:[4, 44, 70], Operations: ['93-23=70'] Exploring Operation: 70-44=26, Resulting Numbers: [4, 26] Generated Node #0,3,1: 30:[4, 26] Operation: 70-44=26 Moving to Node #0,3,1 Current State: 30:[4, 26], Operations: ['93-23=70', '70-44=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 8, 31, 37, 33 ]
82
[ "33-31=2", "37*2=74", "8+74=82" ]
Current State: 82:[8, 31, 37, 33], Operations: [] Exploring Operation: 33-31=2, Resulting Numbers: [8, 37, 2] Generated Node #2: [8, 37, 2] from Operation: 33-31=2 Current State: 82:[8, 37, 2], Operations: ['33-31=2'] Exploring Operation: 37*2=74, Resulting Numbers: [8, 74] Generated Node #3: [8, 74] from Operation: 37*2=74 Current State: 82:[8, 74], Operations: ['33-31=2', '37*2=74'] Exploring Operation: 8+74=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[8, 31, 37, 33], Operations: [] Exploring Operation: 33-31=2, Resulting Numbers: [8, 37, 2] Generated Node #0,0: 82:[8, 37, 2] Operation: 33-31=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[8, 37, 2], Operations: ['33-31=2'] Exploring Operation: 8+37=45, Resulting Numbers: [2, 45] Generated Node #0,0,0: 82:[2, 45] Operation: 8+37=45 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[2, 45], Operations: ['33-31=2', '8+37=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,82 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 No solution found.
0
hs_1
mult_heuristic
[ 65, 88, 12, 3 ]
92
[ "88-65=23", "12/3=4", "23*4=92" ]
Current State: 92:[65, 88, 12, 3], Operations: [] Exploring Operation: 88-65=23, Resulting Numbers: [12, 3, 23] Generated Node #2: [12, 3, 23] from Operation: 88-65=23 Current State: 92:[12, 3, 23], Operations: ['88-65=23'] Exploring Operation: 12/3=4, Resulting Numbers: [23, 4] Generated Node #3: [23, 4] from Operation: 12/3=4 Current State: 92:[23, 4], Operations: ['88-65=23', '12/3=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[65, 88, 12, 3], Operations: [] Exploring Operation: 65+12=77, Resulting Numbers: [88, 3, 77] Generated Node #0,0: 92:[88, 3, 77] Operation: 65+12=77 Exploring Operation: 12/3=4, Resulting Numbers: [65, 88, 4] Generated Node #0,1: 92:[65, 88, 4] Operation: 12/3=4 Exploring Operation: 88-65=23, Resulting Numbers: [12, 3, 23] Generated Node #0,2: 92:[12, 3, 23] Operation: 88-65=23 Exploring Operation: 65-3=62, Resulting Numbers: [88, 12, 62] Generated Node #0,3: 92:[88, 12, 62] Operation: 65-3=62 Exploring Operation: 65-12=53, Resulting Numbers: [88, 3, 53] Generated Node #0,4: 92:[88, 3, 53] Operation: 65-12=53 Moving to Node #0,2 Current State: 92:[12, 3, 23], Operations: ['88-65=23'] Exploring Operation: 23-12=11, Resulting Numbers: [3, 11] Generated Node #0,2,0: 92:[3, 11] Operation: 23-12=11 Exploring Operation: 12*3=36, Resulting Numbers: [23, 36] Generated Node #0,2,1: 92:[23, 36] Operation: 12*3=36 Exploring Operation: 12-3=9, Resulting Numbers: [23, 9] Generated Node #0,2,2: 92:[23, 9] Operation: 12-3=9 Exploring Operation: 12/3=4, Resulting Numbers: [23, 4] Generated Node #0,2,3: 92:[23, 4] Operation: 12/3=4 Exploring Operation: 12+3=15, Resulting Numbers: [23, 15] Generated Node #0,2,4: 92:[23, 15] Operation: 12+3=15 Moving to Node #0,4 Current State: 92:[88, 3, 53], Operations: ['65-12=53'] Exploring Operation: 88+3=91, Resulting Numbers: [53, 91] Generated Node #0,4,0: 92:[53, 91] Operation: 88+3=91 Exploring Operation: 3+53=56, Resulting Numbers: [88, 56] Generated Node #0,4,1: 92:[88, 56] Operation: 3+53=56 Exploring Operation: 53-3=50, Resulting Numbers: [88, 50] Generated Node #0,4,2: 92:[88, 50] Operation: 53-3=50 Exploring Operation: 88-53=35, Resulting Numbers: [3, 35] Generated Node #0,4,3: 92:[3, 35] Operation: 88-53=35 Exploring Operation: 88-3=85, Resulting Numbers: [53, 85] Generated Node #0,4,4: 92:[53, 85] Operation: 88-3=85 Moving to Node #0,0 Current State: 92:[88, 3, 77], Operations: ['65+12=77'] Exploring Operation: 3+77=80, Resulting Numbers: [88, 80] Generated Node #0,0,0: 92:[88, 80] Operation: 3+77=80 Exploring Operation: 88-77=11, Resulting Numbers: [3, 11] Generated Node #0,0,1: 92:[3, 11] Operation: 88-77=11 Exploring Operation: 88+3=91, Resulting Numbers: [77, 91] Generated Node #0,0,2: 92:[77, 91] Operation: 88+3=91 Exploring Operation: 77-3=74, Resulting Numbers: [88, 74] Generated Node #0,0,3: 92:[88, 74] Operation: 77-3=74 Exploring Operation: 88-3=85, Resulting Numbers: [77, 85] Generated Node #0,0,4: 92:[77, 85] Operation: 88-3=85 Moving to Node #0,1 Current State: 92:[65, 88, 4], Operations: ['12/3=4'] Exploring Operation: 65+4=69, Resulting Numbers: [88, 69] Generated Node #0,1,0: 92:[88, 69] Operation: 65+4=69 Exploring Operation: 88/4=22, Resulting Numbers: [65, 22] Generated Node #0,1,1: 92:[65, 22] Operation: 88/4=22 Exploring Operation: 65-4=61, Resulting Numbers: [88, 61] Generated Node #0,1,2: 92:[88, 61] Operation: 65-4=61 Exploring Operation: 88+4=92, Resulting Numbers: [65, 92] Generated Node #0,1,3: 92:[65, 92] Operation: 88+4=92 Exploring Operation: 88-65=23, Resulting Numbers: [4, 23] Generated Node #0,1,4: 92:[4, 23] Operation: 88-65=23 Moving to Node #0,3 Current State: 92:[88, 12, 62], Operations: ['65-3=62'] Exploring Operation: 62-12=50, Resulting Numbers: [88, 50] Generated Node #0,3,0: 92:[88, 50] Operation: 62-12=50 Exploring Operation: 12+62=74, Resulting Numbers: [88, 74] Generated Node #0,3,1: 92:[88, 74] Operation: 12+62=74 Exploring Operation: 88-12=76, Resulting Numbers: [62, 76] Generated Node #0,3,2: 92:[62, 76] Operation: 88-12=76 Exploring Operation: 88+12=100, Resulting Numbers: [62, 100] Generated Node #0,3,3: 92:[62, 100] Operation: 88+12=100 Exploring Operation: 88-62=26, Resulting Numbers: [12, 26] Generated Node #0,3,4: 92:[12, 26] Operation: 88-62=26 Moving to Node #0,2,3 Current State: 92:[23, 4], Operations: ['88-65=23', '12/3=4'] Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,92 unequal: No Solution Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[65, 88, 12, 3], Operations: [] Exploring Operation: 88-65=23, Resulting Numbers: [12, 3, 23] Generated Node #0,2: 92:[12, 3, 23] Operation: 88-65=23 Moving to Node #0,2 Current State: 92:[12, 3, 23], Operations: ['88-65=23'] Exploring Operation: 12/3=4, Resulting Numbers: [23, 4] Generated Node #0,2,3: 92:[23, 4] Operation: 12/3=4 Moving to Node #0,2,3 Current State: 92:[23, 4], Operations: ['88-65=23', '12/3=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
0.96875
hs_5
mult_heuristic
[ 21, 8, 95, 7 ]
32
[ "95-7=88", "88/8=11", "21+11=32" ]
Current State: 32:[21, 8, 95, 7], Operations: [] Exploring Operation: 95-7=88, Resulting Numbers: [21, 8, 88] Generated Node #2: [21, 8, 88] from Operation: 95-7=88 Current State: 32:[21, 8, 88], Operations: ['95-7=88'] Exploring Operation: 88/8=11, Resulting Numbers: [21, 11] Generated Node #3: [21, 11] from Operation: 88/8=11 Current State: 32:[21, 11], Operations: ['95-7=88', '88/8=11'] Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[21, 8, 95, 7], Operations: [] Exploring Operation: 95-21=74, Resulting Numbers: [8, 7, 74] Generated Node #0,0: 32:[8, 7, 74] Operation: 95-21=74 Exploring Operation: 95-8=87, Resulting Numbers: [21, 7, 87] Generated Node #0,1: 32:[21, 7, 87] Operation: 95-8=87 Moving to Node #0,0 Current State: 32:[8, 7, 74], Operations: ['95-21=74'] Exploring Operation: 74-8=66, Resulting Numbers: [7, 66] Generated Node #0,0,0: 32:[7, 66] Operation: 74-8=66 Exploring Operation: 74-7=67, Resulting Numbers: [8, 67] Generated Node #0,0,1: 32:[8, 67] Operation: 74-7=67 Moving to Node #0,1 Current State: 32:[21, 7, 87], Operations: ['95-8=87'] Exploring Operation: 87-7=80, Resulting Numbers: [21, 80] Generated Node #0,1,0: 32:[21, 80] Operation: 87-7=80 Exploring Operation: 87-21=66, Resulting Numbers: [7, 66] Generated Node #0,1,1: 32:[7, 66] Operation: 87-21=66 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[7, 66], Operations: ['95-8=87', '87-21=66'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 32:[21, 80], Operations: ['95-8=87', '87-7=80'] Exploring Operation: 21+80=101, Resulting Numbers: [101] 101,32 unequal: No Solution Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,32 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: 32:[7, 66], Operations: ['95-21=74', '74-8=66'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[8, 67], Operations: ['95-21=74', '74-7=67'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,32 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 75, 70, 44, 13 ]
73
[ "70-44=26", "26/13=2", "75-2=73" ]
Current State: 73:[75, 70, 44, 13], Operations: [] Exploring Operation: 70-44=26, Resulting Numbers: [75, 13, 26] Generated Node #2: [75, 13, 26] from Operation: 70-44=26 Current State: 73:[75, 13, 26], Operations: ['70-44=26'] Exploring Operation: 26/13=2, Resulting Numbers: [75, 2] Generated Node #3: [75, 2] from Operation: 26/13=2 Current State: 73:[75, 2], Operations: ['70-44=26', '26/13=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[75, 70, 44, 13], Operations: [] Exploring Operation: 44+13=57, Resulting Numbers: [75, 70, 57] Generated Node #0,0: 73:[75, 70, 57] Operation: 44+13=57 Moving to Node #0,0 Current State: 73:[75, 70, 57], Operations: ['44+13=57'] Exploring Operation: 70+57=127, Resulting Numbers: [75, 127] Generated Node #0,0,0: 73:[75, 127] Operation: 70+57=127 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[75, 127], Operations: ['44+13=57', '70+57=127'] Exploring Operation: 127-75=52, Resulting Numbers: [52] 52,73 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
[ 19, 12, 55, 31 ]
93
[ "19-12=7", "55+31=86", "7+86=93" ]
Current State: 93:[19, 12, 55, 31], Operations: [] Exploring Operation: 19-12=7, Resulting Numbers: [55, 31, 7] Generated Node #2: [55, 31, 7] from Operation: 19-12=7 Current State: 93:[55, 31, 7], Operations: ['19-12=7'] Exploring Operation: 55+31=86, Resulting Numbers: [7, 86] Generated Node #3: [7, 86] from Operation: 55+31=86 Current State: 93:[7, 86], Operations: ['19-12=7', '55+31=86'] Exploring Operation: 7+86=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[19, 12, 55, 31], Operations: [] Exploring Operation: 55-19=36, Resulting Numbers: [12, 31, 36] Generated Node #0,0: 93:[12, 31, 36] Operation: 55-19=36 Moving to Node #0,0 Current State: 93:[12, 31, 36], Operations: ['55-19=36'] Exploring Operation: 36/12=3, Resulting Numbers: [31, 3] Generated Node #0,0,0: 93:[31, 3] Operation: 36/12=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 93:[31, 3], Operations: ['55-19=36', '36/12=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[19, 12, 55, 31], Operations: [] Exploring Operation: 55-19=36, Resulting Numbers: [12, 31, 36] Generated Node #0,0: 93:[12, 31, 36] Operation: 55-19=36 Moving to Node #0,0 Current State: 93:[12, 31, 36], Operations: ['55-19=36'] Exploring Operation: 36/12=3, Resulting Numbers: [31, 3] Generated Node #0,0,0: 93:[31, 3] Operation: 36/12=3 Moving to Node #0,0,0 Current State: 93:[31, 3], Operations: ['55-19=36', '36/12=3'] Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 94, 96, 48, 43 ]
49
[ "94-43=51", "96/48=2", "51-2=49" ]
Current State: 49:[94, 96, 48, 43], Operations: [] Exploring Operation: 94-43=51, Resulting Numbers: [96, 48, 51] Generated Node #2: [96, 48, 51] from Operation: 94-43=51 Current State: 49:[96, 48, 51], Operations: ['94-43=51'] Exploring Operation: 96/48=2, Resulting Numbers: [51, 2] Generated Node #3: [51, 2] from Operation: 96/48=2 Current State: 49:[51, 2], Operations: ['94-43=51', '96/48=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[94, 96, 48, 43], Operations: [] Exploring Operation: 96-48=48, Resulting Numbers: [94, 43, 48] Generated Node #0,0: 49:[94, 43, 48] Operation: 96-48=48 Exploring Operation: 96-94=2, Resulting Numbers: [48, 43, 2] Generated Node #0,1: 49:[48, 43, 2] Operation: 96-94=2 Exploring Operation: 94-43=51, Resulting Numbers: [96, 48, 51] Generated Node #0,2: 49:[96, 48, 51] Operation: 94-43=51 Exploring Operation: 96-43=53, Resulting Numbers: [94, 48, 53] Generated Node #0,3: 49:[94, 48, 53] Operation: 96-43=53 Moving to Node #0,1 Current State: 49:[48, 43, 2], Operations: ['96-94=2'] Exploring Operation: 48-43=5, Resulting Numbers: [2, 5] Generated Node #0,1,0: 49:[2, 5] Operation: 48-43=5 Exploring Operation: 43+2=45, Resulting Numbers: [48, 45] Generated Node #0,1,1: 49:[48, 45] Operation: 43+2=45 Exploring Operation: 48+2=50, Resulting Numbers: [43, 50] Generated Node #0,1,2: 49:[43, 50] Operation: 48+2=50 Exploring Operation: 48-2=46, Resulting Numbers: [43, 46] Generated Node #0,1,3: 49:[43, 46] Operation: 48-2=46 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[48, 45], Operations: ['96-94=2', '43+2=45'] Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,49 unequal: No Solution Exploring Operation: 48*45=2160, Resulting Numbers: [2160] 2160,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[2, 5], Operations: ['96-94=2', '48-43=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[43, 50], Operations: ['96-94=2', '48+2=50'] Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 43+50=93, Resulting Numbers: [93] 93,49 unequal: No Solution Exploring Operation: 43*50=2150, Resulting Numbers: [2150] 2150,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 49:[43, 46], Operations: ['96-94=2', '48-2=46'] Exploring Operation: 43*46=1978, Resulting Numbers: [1978] 1978,49 unequal: No Solution Exploring Operation: 46-43=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 43+46=89, Resulting Numbers: [89] 89,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 49:[94, 48, 53], Operations: ['96-43=53'] Exploring Operation: 94+48=142, Resulting Numbers: [53, 142] Generated Node #0,3,0: 49:[53, 142] Operation: 94+48=142 Exploring Operation: 94-48=46, Resulting Numbers: [53, 46] Generated Node #0,3,1: 49:[53, 46] Operation: 94-48=46 Exploring Operation: 94-53=41, Resulting Numbers: [48, 41] Generated Node #0,3,2: 49:[48, 41] Operation: 94-53=41 Exploring Operation: 53-48=5, Resulting Numbers: [94, 5] Generated Node #0,3,3: 49:[94, 5] Operation: 53-48=5 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 49:[53, 46], Operations: ['96-43=53', '94-48=46'] Exploring Operation: 53+46=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 53-46=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 53*46=2438, Resulting Numbers: [2438] 2438,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 49:[48, 41], Operations: ['96-43=53', '94-53=41'] Exploring Operation: 48*41=1968, Resulting Numbers: [1968] 1968,49 unequal: No Solution Exploring Operation: 48-41=7, Resulting Numbers: [7] 7,49 unequal: No Solution Exploring Operation: 48+41=89, Resulting Numbers: [89] 89,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 49:[94, 5], Operations: ['96-43=53', '53-48=5'] Exploring Operation: 94*5=470, Resulting Numbers: [470] 470,49 unequal: No Solution Exploring Operation: 94-5=89, Resulting Numbers: [89] 89,49 unequal: No Solution Exploring Operation: 94+5=99, Resulting Numbers: [99] 99,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 49:[53, 142], Operations: ['96-43=53', '94+48=142'] Exploring Operation: 53*142=7526, Resulting Numbers: [7526] 7526,49 unequal: No Solution Exploring Operation: 53+142=195, Resulting Numbers: [195] 195,49 unequal: No Solution Exploring Operation: 142-53=89, Resulting Numbers: [89] 89,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 49:[96, 48, 51], Operations: ['94-43=51'] Exploring Operation: 51-48=3, Resulting Numbers: [96, 3] Generated Node #0,2,0: 49:[96, 3] Operation: 51-48=3 Exploring Operation: 96-48=48, Resulting Numbers: [51, 48] Generated Node #0,2,1: 49:[51, 48] Operation: 96-48=48 Exploring Operation: 96/48=2, Resulting Numbers: [51, 2] Generated Node #0,2,2: 49:[51, 2] Operation: 96/48=2 Exploring Operation: 96-51=45, Resulting Numbers: [48, 45] Generated Node #0,2,3: 49:[48, 45] Operation: 96-51=45 Moving to Node #0,0 Current State: 49:[94, 43, 48], Operations: ['96-48=48'] Exploring Operation: 94-48=46, Resulting Numbers: [43, 46] Generated Node #0,0,0: 49:[43, 46] Operation: 94-48=46 Exploring Operation: 48-43=5, Resulting Numbers: [94, 5] Generated Node #0,0,1: 49:[94, 5] Operation: 48-43=5 Exploring Operation: 94-43=51, Resulting Numbers: [48, 51] Generated Node #0,0,2: 49:[48, 51] Operation: 94-43=51 Exploring Operation: 43+48=91, Resulting Numbers: [94, 91] Generated Node #0,0,3: 49:[94, 91] Operation: 43+48=91 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 49:[48, 51], Operations: ['96-48=48', '94-43=51'] Exploring Operation: 48*51=2448, Resulting Numbers: [2448] 2448,49 unequal: No Solution Exploring Operation: 48+51=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[43, 46], Operations: ['96-48=48', '94-48=46'] Exploring Operation: 43+46=89, Resulting Numbers: [89] 89,49 unequal: No Solution Exploring Operation: 43*46=1978, Resulting Numbers: [1978] 1978,49 unequal: No Solution Exploring Operation: 46-43=3, Resulting Numbers: [3] 3,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 49:[94, 5], Operations: ['96-48=48', '48-43=5'] Exploring Operation: 94-5=89, Resulting Numbers: [89] 89,49 unequal: No Solution Exploring Operation: 94*5=470, Resulting Numbers: [470] 470,49 unequal: No Solution Exploring Operation: 94+5=99, Resulting Numbers: [99] 99,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 49:[94, 91], Operations: ['96-48=48', '43+48=91'] Exploring Operation: 94*91=8554, Resulting Numbers: [8554] 8554,49 unequal: No Solution Exploring Operation: 94+91=185, Resulting Numbers: [185] 185,49 unequal: No Solution Exploring Operation: 94-91=3, Resulting Numbers: [3] 3,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 49:[51, 48], Operations: ['94-43=51', '96-48=48'] Exploring Operation: 51*48=2448, Resulting Numbers: [2448] 2448,49 unequal: No Solution Exploring Operation: 51+48=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 51-48=3, Resulting Numbers: [3] 3,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[48, 45], Operations: ['94-43=51', '96-51=45'] Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,49 unequal: No Solution Exploring Operation: 48*45=2160, Resulting Numbers: [2160] 2160,49 unequal: No Solution Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[51, 2], Operations: ['94-43=51', '96/48=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:[94, 96, 48, 43], Operations: [] Exploring Operation: 94-43=51, Resulting Numbers: [96, 48, 51] Generated Node #0,2: 49:[96, 48, 51] Operation: 94-43=51 Moving to Node #0,2 Current State: 49:[96, 48, 51], Operations: ['94-43=51'] Exploring Operation: 96/48=2, Resulting Numbers: [51, 2] Generated Node #0,2,2: 49:[51, 2] Operation: 96/48=2 Moving to Node #0,2,2 Current State: 49:[51, 2], Operations: ['94-43=51', '96/48=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.940972
hs_4
sum_heuristic
[ 12, 30, 30, 12 ]
87
[ "30*30=900", "900/12=75", "12+75=87" ]
Current State: 87:[12, 30, 30, 12], Operations: [] Exploring Operation: 30*30=900, Resulting Numbers: [12, 12, 900] Generated Node #2: [12, 12, 900] from Operation: 30*30=900 Current State: 87:[12, 12, 900], Operations: ['30*30=900'] Exploring Operation: 900/12=75, Resulting Numbers: [75] 75,87 equal: Goal Reached Exploring Operation: 12+75=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[12, 30, 30, 12], Operations: [] Exploring Operation: 12/12=1, Resulting Numbers: [30, 30, 1] Generated Node #0,0: 87:[30, 30, 1] Operation: 12/12=1 Exploring Operation: 12-12=0, Resulting Numbers: [30, 30, 0] Generated Node #0,1: 87:[30, 30, 0] Operation: 12-12=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 87:[30, 30, 1], Operations: ['12/12=1'] Exploring Operation: 30-1=29, Resulting Numbers: [30, 29] Generated Node #0,0,0: 87:[30, 29] Operation: 30-1=29 Exploring Operation: 30-1=29, Resulting Numbers: [30, 29] Generated Node #0,0,1: 87:[30, 29] Operation: 30-1=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 87:[30, 29], Operations: ['12/12=1', '30-1=29'] Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,87 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 87:[30, 29], Operations: ['12/12=1', '30-1=29'] Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,87 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,87 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 87:[30, 30, 0], Operations: ['12-12=0'] Exploring Operation: 30+0=30, Resulting Numbers: [30, 30] Generated Node #0,1,0: 87:[30, 30] Operation: 30+0=30 Exploring Operation: 30-0=30, Resulting Numbers: [30, 30] Generated Node #0,1,1: 87:[30, 30] Operation: 30-0=30 Moving to Node #0,1,0 Current State: 87:[30, 30], Operations: ['12-12=0', '30+0=30'] Exploring Operation: 30-30=0, Resulting Numbers: [0] 0,87 unequal: No Solution Exploring Operation: 30/30=1, Resulting Numbers: [1] 1,87 unequal: No Solution Moving to Node #0,1,1 Current State: 87:[30, 30], Operations: ['12-12=0', '30-0=30'] Exploring Operation: 30-30=0, Resulting Numbers: [0] 0,87 unequal: No Solution Exploring Operation: 30/30=1, Resulting Numbers: [1] 1,87 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
[ 32, 59, 39, 96 ]
46
[ "32*39=1248", "1248/96=13", "59-13=46" ]
Current State: 46:[32, 59, 39, 96], Operations: [] Exploring Operation: 32*39=1248, Resulting Numbers: [59, 96, 1248] Generated Node #2: [59, 96, 1248] from Operation: 32*39=1248 Current State: 46:[59, 96, 1248], Operations: ['32*39=1248'] Exploring Operation: 1248/96=13, Resulting Numbers: [59, 13] Generated Node #3: [59, 13] from Operation: 1248/96=13 Current State: 46:[59, 13], Operations: ['32*39=1248', '1248/96=13'] Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[32, 59, 39, 96], Operations: [] Exploring Operation: 96-39=57, Resulting Numbers: [32, 59, 57] Generated Node #0,0: 46:[32, 59, 57] Operation: 96-39=57 Exploring Operation: 96-32=64, Resulting Numbers: [59, 39, 64] Generated Node #0,1: 46:[59, 39, 64] Operation: 96-32=64 Exploring Operation: 96/32=3, Resulting Numbers: [59, 39, 3] Generated Node #0,2: 46:[59, 39, 3] Operation: 96/32=3 Exploring Operation: 96-59=37, Resulting Numbers: [32, 39, 37] Generated Node #0,3: 46:[32, 39, 37] Operation: 96-59=37 Moving to Node #0,2 Current State: 46:[59, 39, 3], Operations: ['96/32=3'] Exploring Operation: 59+3=62, Resulting Numbers: [39, 62] Generated Node #0,2,0: 46:[39, 62] Operation: 59+3=62 Exploring Operation: 39+3=42, Resulting Numbers: [59, 42] Generated Node #0,2,1: 46:[59, 42] Operation: 39+3=42 Exploring Operation: 59-39=20, Resulting Numbers: [3, 20] Generated Node #0,2,2: 46:[3, 20] Operation: 59-39=20 Exploring Operation: 59-3=56, Resulting Numbers: [39, 56] Generated Node #0,2,3: 46:[39, 56] Operation: 59-3=56 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 46:[3, 20], Operations: ['96/32=3', '59-39=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,46 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,46 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 #0,2,1 Current State: 46:[59, 42], Operations: ['96/32=3', '39+3=42'] Exploring Operation: 59*42=2478, Resulting Numbers: [2478] 2478,46 unequal: No Solution Exploring Operation: 59-42=17, Resulting Numbers: [17] 17,46 unequal: No Solution Exploring Operation: 59+42=101, Resulting Numbers: [101] 101,46 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 #0,2,3 Current State: 46:[39, 56], Operations: ['96/32=3', '59-3=56'] Exploring Operation: 39*56=2184, Resulting Numbers: [2184] 2184,46 unequal: No Solution Exploring Operation: 39+56=95, Resulting Numbers: [95] 95,46 unequal: No Solution Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,46 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 #0,2,0 Current State: 46:[39, 62], Operations: ['96/32=3', '59+3=62'] Exploring Operation: 62-39=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 39*62=2418, Resulting Numbers: [2418] 2418,46 unequal: No Solution Exploring Operation: 39+62=101, Resulting Numbers: [101] 101,46 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: 46:[32, 39, 37], Operations: ['96-59=37'] Exploring Operation: 37-32=5, Resulting Numbers: [39, 5] Generated Node #0,3,0: 46:[39, 5] Operation: 37-32=5 Exploring Operation: 32+37=69, Resulting Numbers: [39, 69] Generated Node #0,3,1: 46:[39, 69] Operation: 32+37=69 Exploring Operation: 39-37=2, Resulting Numbers: [32, 2] Generated Node #0,3,2: 46:[32, 2] Operation: 39-37=2 Exploring Operation: 39-32=7, Resulting Numbers: [37, 7] Generated Node #0,3,3: 46:[37, 7] Operation: 39-32=7 Moving to Node #0,0 Current State: 46:[32, 59, 57], Operations: ['96-39=57'] Exploring Operation: 57-32=25, Resulting Numbers: [59, 25] Generated Node #0,0,0: 46:[59, 25] Operation: 57-32=25 Exploring Operation: 32+59=91, Resulting Numbers: [57, 91] Generated Node #0,0,1: 46:[57, 91] Operation: 32+59=91 Exploring Operation: 59-57=2, Resulting Numbers: [32, 2] Generated Node #0,0,2: 46:[32, 2] Operation: 59-57=2 Exploring Operation: 59-32=27, Resulting Numbers: [57, 27] Generated Node #0,0,3: 46:[57, 27] Operation: 59-32=27 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 46:[32, 2], Operations: ['96-39=57', '59-57=2'] Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,46 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,46 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:[59, 25], Operations: ['96-39=57', '57-32=25'] Exploring Operation: 59*25=1475, Resulting Numbers: [1475] 1475,46 unequal: No Solution Exploring Operation: 59+25=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,46 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 #0,0,3 Current State: 46:[57, 27], Operations: ['96-39=57', '59-32=27'] Exploring Operation: 57*27=1539, Resulting Numbers: [1539] 1539,46 unequal: No Solution Exploring Operation: 57+27=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,46 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 #0,0,1 Current State: 46:[57, 91], Operations: ['96-39=57', '32+59=91'] Exploring Operation: 57*91=5187, Resulting Numbers: [5187] 5187,46 unequal: No Solution Exploring Operation: 91-57=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 57+91=148, Resulting Numbers: [148] 148,46 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:[59, 39, 64], Operations: ['96-32=64'] Exploring Operation: 64-39=25, Resulting Numbers: [59, 25] Generated Node #0,1,0: 46:[59, 25] Operation: 64-39=25 Exploring Operation: 59+39=98, Resulting Numbers: [64, 98] Generated Node #0,1,1: 46:[64, 98] Operation: 59+39=98 Exploring Operation: 59-39=20, Resulting Numbers: [64, 20] Generated Node #0,1,2: 46:[64, 20] Operation: 59-39=20 Exploring Operation: 64-59=5, Resulting Numbers: [39, 5] Generated Node #0,1,3: 46:[39, 5] Operation: 64-59=5 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 46:[39, 5], Operations: ['96-32=64', '64-59=5'] Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,46 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 #0,1,0 Current State: 46:[59, 25], Operations: ['96-32=64', '64-39=25'] Exploring Operation: 59+25=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 59*25=1475, Resulting Numbers: [1475] 1475,46 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,46 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 #0,1,2 Current State: 46:[64, 20], Operations: ['96-32=64', '59-39=20'] Exploring Operation: 64+20=84, Resulting Numbers: [84] 84,46 unequal: No Solution Exploring Operation: 64*20=1280, Resulting Numbers: [1280] 1280,46 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,46 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:[64, 98], Operations: ['96-32=64', '59+39=98'] Exploring Operation: 64+98=162, Resulting Numbers: [162] 162,46 unequal: No Solution Exploring Operation: 98-64=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 64*98=6272, Resulting Numbers: [6272] 6272,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 46:[32, 2], Operations: ['96-59=37', '39-37=2'] Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,46 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,46 unequal: No Solution Moving to Node #0,3,0 Current State: 46:[39, 5], Operations: ['96-59=37', '37-32=5'] Exploring Operation: 39+5=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 39-5=34, Resulting Numbers: [34] 34,46 unequal: No Solution Exploring Operation: 39*5=195, Resulting Numbers: [195] 195,46 unequal: No Solution Moving to Node #0,3,3 Current State: 46:[37, 7], Operations: ['96-59=37', '39-32=7'] Exploring Operation: 37*7=259, Resulting Numbers: [259] 259,46 unequal: No Solution Exploring Operation: 37+7=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,46 unequal: No Solution Moving to Node #0,3,1 Current State: 46:[39, 69], Operations: ['96-59=37', '32+37=69'] Exploring Operation: 39*69=2691, Resulting Numbers: [2691] 2691,46 unequal: No Solution Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,46 unequal: No Solution Exploring Operation: 39+69=108, Resulting Numbers: [108] 108,46 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 82, 35, 55, 42 ]
16
[ "55*42=2310", "2310/35=66", "82-66=16" ]
Current State: 16:[82, 35, 55, 42], Operations: [] Exploring Operation: 55*42=2310, Resulting Numbers: [82, 35, 2310] Generated Node #2: [82, 35, 2310] from Operation: 55*42=2310 Current State: 16:[82, 35, 2310], Operations: ['55*42=2310'] Exploring Operation: 2310/35=66, Resulting Numbers: [82, 66] Generated Node #3: [82, 66] from Operation: 2310/35=66 Current State: 16:[82, 66], Operations: ['55*42=2310', '2310/35=66'] Exploring Operation: 82-66=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[82, 35, 55, 42], Operations: [] Exploring Operation: 82-55=27, Resulting Numbers: [35, 42, 27] Generated Node #0,0: 16:[35, 42, 27] Operation: 82-55=27 Exploring Operation: 82-42=40, Resulting Numbers: [35, 55, 40] Generated Node #0,1: 16:[35, 55, 40] Operation: 82-42=40 Moving to Node #0,0 Current State: 16:[35, 42, 27], Operations: ['82-55=27'] Exploring Operation: 42-27=15, Resulting Numbers: [35, 15] Generated Node #0,0,0: 16:[35, 15] Operation: 42-27=15 Exploring Operation: 42-35=7, Resulting Numbers: [27, 7] Generated Node #0,0,1: 16:[27, 7] Operation: 42-35=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[27, 7], Operations: ['82-55=27', '42-35=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,16 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[35, 15], Operations: ['82-55=27', '42-27=15'] Exploring Operation: 35+15=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 16:[35, 55, 40], Operations: ['82-42=40'] Exploring Operation: 55-35=20, Resulting Numbers: [40, 20] Generated Node #0,1,0: 16:[40, 20] Operation: 55-35=20 Exploring Operation: 55-40=15, Resulting Numbers: [35, 15] Generated Node #0,1,1: 16:[35, 15] Operation: 55-40=15 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[35, 15], Operations: ['82-42=40', '55-40=15'] Exploring Operation: 35+15=50, Resulting Numbers: [50] 50,16 unequal: No Solution Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[40, 20], Operations: ['82-42=40', '55-35=20'] Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 40/20=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 16, 61, 37, 48 ]
88
[ "16+61=77", "48-37=11", "77+11=88" ]
Current State: 88:[16, 61, 37, 48], Operations: [] Exploring Operation: 16+61=77, Resulting Numbers: [37, 48, 77] Generated Node #2: [37, 48, 77] from Operation: 16+61=77 Current State: 88:[37, 48, 77], Operations: ['16+61=77'] Exploring Operation: 48-37=11, Resulting Numbers: [77, 11] Generated Node #3: [77, 11] from Operation: 48-37=11 Current State: 88:[77, 11], Operations: ['16+61=77', '48-37=11'] Exploring Operation: 77+11=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[16, 61, 37, 48], Operations: [] Exploring Operation: 61-16=45, Resulting Numbers: [37, 48, 45] Generated Node #0,0: 88:[37, 48, 45] Operation: 61-16=45 Exploring Operation: 61-37=24, Resulting Numbers: [16, 48, 24] Generated Node #0,1: 88:[16, 48, 24] Operation: 61-37=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[16, 48, 24], Operations: ['61-37=24'] Exploring Operation: 24-16=8, Resulting Numbers: [48, 8] Generated Node #0,1,0: 88:[48, 8] Operation: 24-16=8 Exploring Operation: 48/16=3, Resulting Numbers: [24, 3] Generated Node #0,1,1: 88:[24, 3] Operation: 48/16=3 Moving to Node #0,1,1 Current State: 88:[24, 3], Operations: ['61-37=24', '48/16=3'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,88 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[48, 8], Operations: ['61-37=24', '24-16=8'] Exploring Operation: 48-8=40, Resulting Numbers: [40] 40,88 unequal: No Solution Exploring Operation: 48/8=6, Resulting Numbers: [6] 6,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[37, 48, 45], Operations: ['61-16=45'] Exploring Operation: 37+48=85, Resulting Numbers: [45, 85] Generated Node #0,0,0: 88:[45, 85] Operation: 37+48=85 Exploring Operation: 48-37=11, Resulting Numbers: [45, 11] Generated Node #0,0,1: 88:[45, 11] Operation: 48-37=11 Moving to Node #0,0,1 Current State: 88:[45, 11], Operations: ['61-16=45', '48-37=11'] Exploring Operation: 45+11=56, Resulting Numbers: [56] 56,88 unequal: No Solution Exploring Operation: 45-11=34, Resulting Numbers: [34] 34,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[45, 85], Operations: ['61-16=45', '37+48=85'] Exploring Operation: 85-45=40, Resulting Numbers: [40] 40,88 unequal: No Solution Exploring Operation: 45+85=130, Resulting Numbers: [130] 130,88 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
[ 2, 17, 33, 70 ]
60
[ "17+33=50", "70+50=120", "120/2=60" ]
Current State: 60:[2, 17, 33, 70], Operations: [] Exploring Operation: 17+33=50, Resulting Numbers: [2, 70, 50] Generated Node #2: [2, 70, 50] from Operation: 17+33=50 Current State: 60:[2, 70, 50], Operations: ['17+33=50'] Exploring Operation: 70+50=120, Resulting Numbers: [2, 120] Generated Node #3: [2, 120] from Operation: 70+50=120 Current State: 60:[2, 120], Operations: ['17+33=50', '70+50=120'] Exploring Operation: 120/2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[2, 17, 33, 70], Operations: [] Exploring Operation: 70/2=35, Resulting Numbers: [17, 33, 35] Generated Node #0,0: 60:[17, 33, 35] Operation: 70/2=35 Exploring Operation: 70-33=37, Resulting Numbers: [2, 17, 37] Generated Node #0,1: 60:[2, 17, 37] Operation: 70-33=37 Moving to Node #0,1 Current State: 60:[2, 17, 37], Operations: ['70-33=37'] Exploring Operation: 37-17=20, Resulting Numbers: [2, 20] Generated Node #0,1,0: 60:[2, 20] Operation: 37-17=20 Exploring Operation: 17+37=54, Resulting Numbers: [2, 54] Generated Node #0,1,1: 60:[2, 54] Operation: 17+37=54 Moving to Node #0,0 Current State: 60:[17, 33, 35], Operations: ['70/2=35'] Exploring Operation: 35-17=18, Resulting Numbers: [33, 18] Generated Node #0,0,0: 60:[33, 18] Operation: 35-17=18 Exploring Operation: 35-33=2, Resulting Numbers: [17, 2] Generated Node #0,0,1: 60:[17, 2] Operation: 35-33=2 Moving to Node #0,1,0 Current State: 60:[2, 20], Operations: ['70-33=37', '37-17=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[17, 2], Operations: ['70/2=35', '35-33=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,60 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[33, 18], Operations: ['70/2=35', '35-17=18'] Exploring Operation: 33+18=51, Resulting Numbers: [51] 51,60 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[2, 54], Operations: ['70-33=37', '17+37=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,60 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 81, 54, 5, 91 ]
69
[ "81-54=27", "5+91=96", "96-27=69" ]
Current State: 69:[81, 54, 5, 91], Operations: [] Exploring Operation: 81-54=27, Resulting Numbers: [5, 91, 27] Generated Node #2: [5, 91, 27] from Operation: 81-54=27 Current State: 69:[5, 91, 27], Operations: ['81-54=27'] Exploring Operation: 5+91=96, Resulting Numbers: [27, 96] Generated Node #3: [27, 96] from Operation: 5+91=96 Current State: 69:[27, 96], Operations: ['81-54=27', '5+91=96'] Exploring Operation: 96-27=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[81, 54, 5, 91], Operations: [] Exploring Operation: 81-5=76, Resulting Numbers: [54, 91, 76] Generated Node #0,0: 69:[54, 91, 76] Operation: 81-5=76 Exploring Operation: 91-54=37, Resulting Numbers: [81, 5, 37] Generated Node #0,1: 69:[81, 5, 37] Operation: 91-54=37 Exploring Operation: 54+5=59, Resulting Numbers: [81, 91, 59] Generated Node #0,2: 69:[81, 91, 59] Operation: 54+5=59 Exploring Operation: 91-81=10, Resulting Numbers: [54, 5, 10] Generated Node #0,3: 69:[54, 5, 10] Operation: 91-81=10 Exploring Operation: 81-54=27, Resulting Numbers: [5, 91, 27] Generated Node #0,4: 69:[5, 91, 27] Operation: 81-54=27 Start Sub Search at level 1: Moving to Node #0,3 Current State: 69:[54, 5, 10], Operations: ['91-81=10'] Exploring Operation: 54+5=59, Resulting Numbers: [10, 59] Generated Node #0,3,0: 69:[10, 59] Operation: 54+5=59 Exploring Operation: 10-5=5, Resulting Numbers: [54, 5] Generated Node #0,3,1: 69:[54, 5] Operation: 10-5=5 Exploring Operation: 54+10=64, Resulting Numbers: [5, 64] Generated Node #0,3,2: 69:[5, 64] Operation: 54+10=64 Exploring Operation: 10/5=2, Resulting Numbers: [54, 2] Generated Node #0,3,3: 69:[54, 2] Operation: 10/5=2 Exploring Operation: 54-10=44, Resulting Numbers: [5, 44] Generated Node #0,3,4: 69:[5, 44] Operation: 54-10=44 Moving to Node #0,3,2 Current State: 69:[5, 64], Operations: ['91-81=10', '54+10=64'] Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[81, 54, 5, 91], Operations: [] Exploring Operation: 91-81=10, Resulting Numbers: [54, 5, 10] Generated Node #0,3: 69:[54, 5, 10] Operation: 91-81=10 Moving to Node #0,3 Current State: 69:[54, 5, 10], Operations: ['91-81=10'] Exploring Operation: 54+10=64, Resulting Numbers: [5, 64] Generated Node #0,3,2: 69:[5, 64] Operation: 54+10=64 Moving to Node #0,3,2 Current State: 69:[5, 64], Operations: ['91-81=10', '54+10=64'] Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 74, 80, 21, 91 ]
64
[ "80-74=6", "91-21=70", "70-6=64" ]
Current State: 64:[74, 80, 21, 91], Operations: [] Exploring Operation: 80-74=6, Resulting Numbers: [21, 91, 6] Generated Node #2: [21, 91, 6] from Operation: 80-74=6 Current State: 64:[21, 91, 6], Operations: ['80-74=6'] Exploring Operation: 91-21=70, Resulting Numbers: [6, 70] Generated Node #3: [6, 70] from Operation: 91-21=70 Current State: 64:[6, 70], Operations: ['80-74=6', '91-21=70'] Exploring Operation: 70-6=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[74, 80, 21, 91], Operations: [] Exploring Operation: 91-74=17, Resulting Numbers: [80, 21, 17] Generated Node #0,0: 64:[80, 21, 17] Operation: 91-74=17 Exploring Operation: 91-80=11, Resulting Numbers: [74, 21, 11] Generated Node #0,1: 64:[74, 21, 11] Operation: 91-80=11 Exploring Operation: 91-21=70, Resulting Numbers: [74, 80, 70] Generated Node #0,2: 64:[74, 80, 70] Operation: 91-21=70 Start Sub Search at level 1: Moving to Node #0,1 Current State: 64:[74, 21, 11], Operations: ['91-80=11'] Exploring Operation: 74-11=63, Resulting Numbers: [21, 63] Generated Node #0,1,0: 64:[21, 63] Operation: 74-11=63 Exploring Operation: 21+11=32, Resulting Numbers: [74, 32] Generated Node #0,1,1: 64:[74, 32] Operation: 21+11=32 Exploring Operation: 21-11=10, Resulting Numbers: [74, 10] Generated Node #0,1,2: 64:[74, 10] Operation: 21-11=10 Moving to Node #0,1,0 Current State: 64:[21, 63], Operations: ['91-80=11', '74-11=63'] Exploring Operation: 63/21=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 21+63=84, Resulting Numbers: [84] 84,64 unequal: No Solution Exploring Operation: 63-21=42, Resulting Numbers: [42] 42,64 unequal: No Solution Moving to Node #0,1,1 Current State: 64:[74, 32], Operations: ['91-80=11', '21+11=32'] Exploring Operation: 74*32=2368, Resulting Numbers: [2368] 2368,64 unequal: No Solution Exploring Operation: 74-32=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 74+32=106, Resulting Numbers: [106] 106,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[74, 10], Operations: ['91-80=11', '21-11=10'] Exploring Operation: 74*10=740, Resulting Numbers: [740] 740,64 unequal: No Solution Exploring Operation: 74+10=84, Resulting Numbers: [84] 84,64 unequal: No Solution Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[74, 80, 21, 91], Operations: [] Exploring Operation: 91-80=11, Resulting Numbers: [74, 21, 11] Generated Node #0,1: 64:[74, 21, 11] Operation: 91-80=11 Moving to Node #0,1 Current State: 64:[74, 21, 11], Operations: ['91-80=11'] Exploring Operation: 21-11=10, Resulting Numbers: [74, 10] Generated Node #0,1,2: 64:[74, 10] Operation: 21-11=10 Moving to Node #0,1,2 Current State: 64:[74, 10], Operations: ['91-80=11', '21-11=10'] Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 16, 90, 39, 41 ]
29
[ "41-39=2", "90/2=45", "45-16=29" ]
Current State: 29:[16, 90, 39, 41], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [16, 90, 2] Generated Node #2: [16, 90, 2] from Operation: 41-39=2 Current State: 29:[16, 90, 2], Operations: ['41-39=2'] Exploring Operation: 90/2=45, Resulting Numbers: [16, 45] Generated Node #3: [16, 45] from Operation: 90/2=45 Current State: 29:[16, 45], Operations: ['41-39=2', '90/2=45'] Exploring Operation: 45-16=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[16, 90, 39, 41], Operations: [] Exploring Operation: 41-16=25, Resulting Numbers: [90, 39, 25] Generated Node #0,0: 29:[90, 39, 25] Operation: 41-16=25 Exploring Operation: 90-16=74, Resulting Numbers: [39, 41, 74] Generated Node #0,1: 29:[39, 41, 74] Operation: 90-16=74 Exploring Operation: 90-41=49, Resulting Numbers: [16, 39, 49] Generated Node #0,2: 29:[16, 39, 49] Operation: 90-41=49 Exploring Operation: 90-39=51, Resulting Numbers: [16, 41, 51] Generated Node #0,3: 29:[16, 41, 51] Operation: 90-39=51 Moving to Node #0,2 Current State: 29:[16, 39, 49], Operations: ['90-41=49'] Exploring Operation: 49-16=33, Resulting Numbers: [39, 33] Generated Node #0,2,0: 29:[39, 33] Operation: 49-16=33 Exploring Operation: 49-39=10, Resulting Numbers: [16, 10] Generated Node #0,2,1: 29:[16, 10] Operation: 49-39=10 Exploring Operation: 16+39=55, Resulting Numbers: [49, 55] Generated Node #0,2,2: 29:[49, 55] Operation: 16+39=55 Exploring Operation: 39-16=23, Resulting Numbers: [49, 23] Generated Node #0,2,3: 29:[49, 23] Operation: 39-16=23 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[39, 33], Operations: ['90-41=49', '49-16=33'] Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,29 unequal: No Solution Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,29 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 #0,2,3 Current State: 29:[49, 23], Operations: ['90-41=49', '39-16=23'] Exploring Operation: 49+23=72, Resulting Numbers: [72] 72,29 unequal: No Solution Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 49*23=1127, Resulting Numbers: [1127] 1127,29 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 #0,2,1 Current State: 29:[16, 10], Operations: ['90-41=49', '49-39=10'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,29 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,29 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 #0,2,2 Current State: 29:[49, 55], Operations: ['90-41=49', '16+39=55'] Exploring Operation: 55-49=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 49+55=104, Resulting Numbers: [104] 104,29 unequal: No Solution Exploring Operation: 49*55=2695, Resulting Numbers: [2695] 2695,29 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: 29:[16, 41, 51], Operations: ['90-39=51'] Exploring Operation: 16+41=57, Resulting Numbers: [51, 57] Generated Node #0,3,0: 29:[51, 57] Operation: 16+41=57 Exploring Operation: 51-41=10, Resulting Numbers: [16, 10] Generated Node #0,3,1: 29:[16, 10] Operation: 51-41=10 Exploring Operation: 41-16=25, Resulting Numbers: [51, 25] Generated Node #0,3,2: 29:[51, 25] Operation: 41-16=25 Exploring Operation: 51-16=35, Resulting Numbers: [41, 35] Generated Node #0,3,3: 29:[41, 35] Operation: 51-16=35 Moving to Node #0,1 Current State: 29:[39, 41, 74], Operations: ['90-16=74'] Exploring Operation: 74-39=35, Resulting Numbers: [41, 35] Generated Node #0,1,0: 29:[41, 35] Operation: 74-39=35 Exploring Operation: 39+41=80, Resulting Numbers: [74, 80] Generated Node #0,1,1: 29:[74, 80] Operation: 39+41=80 Exploring Operation: 41-39=2, Resulting Numbers: [74, 2] Generated Node #0,1,2: 29:[74, 2] Operation: 41-39=2 Exploring Operation: 74-41=33, Resulting Numbers: [39, 33] Generated Node #0,1,3: 29:[39, 33] Operation: 74-41=33 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 29:[39, 33], Operations: ['90-16=74', '74-41=33'] Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,29 unequal: No Solution Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[41, 35], Operations: ['90-16=74', '74-39=35'] Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,29 unequal: No Solution Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[74, 2], Operations: ['90-16=74', '41-39=2'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,29 unequal: No Solution Exploring Operation: 74*2=148, Resulting Numbers: [148] 148,29 unequal: No Solution Exploring Operation: 74+2=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[74, 80], Operations: ['90-16=74', '39+41=80'] Exploring Operation: 74+80=154, Resulting Numbers: [154] 154,29 unequal: No Solution Exploring Operation: 74*80=5920, Resulting Numbers: [5920] 5920,29 unequal: No Solution Exploring Operation: 80-74=6, Resulting Numbers: [6] 6,29 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: 29:[90, 39, 25], Operations: ['41-16=25'] Exploring Operation: 90+25=115, Resulting Numbers: [39, 115] Generated Node #0,0,0: 29:[39, 115] Operation: 90+25=115 Exploring Operation: 90-39=51, Resulting Numbers: [25, 51] Generated Node #0,0,1: 29:[25, 51] Operation: 90-39=51 Exploring Operation: 39-25=14, Resulting Numbers: [90, 14] Generated Node #0,0,2: 29:[90, 14] Operation: 39-25=14 Exploring Operation: 90-25=65, Resulting Numbers: [39, 65] Generated Node #0,0,3: 29:[39, 65] Operation: 90-25=65 Moving to Node #0,3,3 Current State: 29:[41, 35], Operations: ['90-39=51', '51-16=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,29 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,29 unequal: No Solution Moving to Node #0,3,2 Current State: 29:[51, 25], Operations: ['90-39=51', '41-16=25'] Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 51*25=1275, Resulting Numbers: [1275] 1275,29 unequal: No Solution Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,29 unequal: No Solution Moving to Node #0,0,1 Current State: 29:[25, 51], Operations: ['41-16=25', '90-39=51'] Exploring Operation: 25*51=1275, Resulting Numbers: [1275] 1275,29 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 25+51=76, Resulting Numbers: [76] 76,29 unequal: No Solution Moving to Node #0,3,1 Current State: 29:[16, 10], Operations: ['90-39=51', '51-41=10'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,29 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,29 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,29 unequal: No Solution Moving to Node #0,0,3 Current State: 29:[39, 65], Operations: ['41-16=25', '90-25=65'] Exploring Operation: 39+65=104, Resulting Numbers: [104] 104,29 unequal: No Solution Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 39*65=2535, Resulting Numbers: [2535] 2535,29 unequal: No Solution Moving to Node #0,3,0 Current State: 29:[51, 57], Operations: ['90-39=51', '16+41=57'] Exploring Operation: 51*57=2907, Resulting Numbers: [2907] 2907,29 unequal: No Solution Exploring Operation: 51+57=108, Resulting Numbers: [108] 108,29 unequal: No Solution Exploring Operation: 57-51=6, Resulting Numbers: [6] 6,29 unequal: No Solution Moving to Node #0,0,2 Current State: 29:[90, 14], Operations: ['41-16=25', '39-25=14'] Exploring Operation: 90+14=104, Resulting Numbers: [104] 104,29 unequal: No Solution Exploring Operation: 90-14=76, Resulting Numbers: [76] 76,29 unequal: No Solution Exploring Operation: 90*14=1260, Resulting Numbers: [1260] 1260,29 unequal: No Solution Moving to Node #0,0,0 Current State: 29:[39, 115], Operations: ['41-16=25', '90+25=115'] Exploring Operation: 39*115=4485, Resulting Numbers: [4485] 4485,29 unequal: No Solution Exploring Operation: 39+115=154, Resulting Numbers: [154] 154,29 unequal: No Solution Exploring Operation: 115-39=76, Resulting Numbers: [76] 76,29 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 3, 2, 8, 32 ]
77
[ "8+32=40", "2*40=80", "80-3=77" ]
Current State: 77:[3, 2, 8, 32], Operations: [] Exploring Operation: 8+32=40, Resulting Numbers: [3, 2, 40] Generated Node #2: [3, 2, 40] from Operation: 8+32=40 Current State: 77:[3, 2, 40], Operations: ['8+32=40'] Exploring Operation: 2*40=80, Resulting Numbers: [3, 80] Generated Node #3: [3, 80] from Operation: 2*40=80 Current State: 77:[3, 80], Operations: ['8+32=40', '2*40=80'] Exploring Operation: 80-3=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[3, 2, 8, 32], Operations: [] Exploring Operation: 32/8=4, Resulting Numbers: [3, 2, 4] Generated Node #0,0: 77:[3, 2, 4] Operation: 32/8=4 Exploring Operation: 32/2=16, Resulting Numbers: [3, 8, 16] Generated Node #0,1: 77:[3, 8, 16] Operation: 32/2=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[3, 8, 16], Operations: ['32/2=16'] Exploring Operation: 3+8=11, Resulting Numbers: [16, 11] Generated Node #0,1,0: 77:[16, 11] Operation: 3+8=11 Exploring Operation: 16-3=13, Resulting Numbers: [8, 13] Generated Node #0,1,1: 77:[8, 13] Operation: 16-3=13 Moving to Node #0,1,1 Current State: 77:[8, 13], Operations: ['32/2=16', '16-3=13'] Exploring Operation: 8+13=21, Resulting Numbers: [21] 21,77 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,77 unequal: No Solution Moving to Node #0,1,0 Current State: 77:[16, 11], Operations: ['32/2=16', '3+8=11'] Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,77 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[3, 2, 4], Operations: ['32/8=4'] Exploring Operation: 3*2=6, Resulting Numbers: [4, 6] Generated Node #0,0,0: 77:[4, 6] Operation: 3*2=6 Exploring Operation: 3+2=5, Resulting Numbers: [4, 5] Generated Node #0,0,1: 77:[4, 5] Operation: 3+2=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[4, 6], Operations: ['32/8=4', '3*2=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,77 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 77:[4, 5], Operations: ['32/8=4', '3+2=5'] Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,77 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 2, 14, 47, 16 ]
25
[ "16/2=8", "47-14=33", "33-8=25" ]
Current State: 25:[2, 14, 47, 16], Operations: [] Exploring Operation: 16/2=8, Resulting Numbers: [14, 47, 8] Generated Node #2: [14, 47, 8] from Operation: 16/2=8 Current State: 25:[14, 47, 8], Operations: ['16/2=8'] Exploring Operation: 47-14=33, Resulting Numbers: [8, 33] Generated Node #3: [8, 33] from Operation: 47-14=33 Current State: 25:[8, 33], Operations: ['16/2=8', '47-14=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[2, 14, 47, 16], Operations: [] Exploring Operation: 47-16=31, Resulting Numbers: [2, 14, 31] Generated Node #0,0: 25:[2, 14, 31] Operation: 47-16=31 Moving to Node #0,0 Current State: 25:[2, 14, 31], Operations: ['47-16=31'] Exploring Operation: 14/2=7, Resulting Numbers: [31, 7] Generated Node #0,0,0: 25:[31, 7] Operation: 14/2=7 Moving to Node #0,0,0 Current State: 25:[31, 7], Operations: ['47-16=31', '14/2=7'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,25 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 63, 40, 67, 47 ]
43
[ "63-40=23", "67-47=20", "23+20=43" ]
Current State: 43:[63, 40, 67, 47], Operations: [] Exploring Operation: 63-40=23, Resulting Numbers: [67, 47, 23] Generated Node #2: [67, 47, 23] from Operation: 63-40=23 Current State: 43:[67, 47, 23], Operations: ['63-40=23'] Exploring Operation: 67-47=20, Resulting Numbers: [23, 20] Generated Node #3: [23, 20] from Operation: 67-47=20 Current State: 43:[23, 20], Operations: ['63-40=23', '67-47=20'] Exploring Operation: 23+20=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[63, 40, 67, 47], Operations: [] Exploring Operation: 67-47=20, Resulting Numbers: [63, 40, 20] Generated Node #0,0: 43:[63, 40, 20] Operation: 67-47=20 Exploring Operation: 67-40=27, Resulting Numbers: [63, 47, 27] Generated Node #0,1: 43:[63, 47, 27] Operation: 67-40=27 Exploring Operation: 67-63=4, Resulting Numbers: [40, 47, 4] Generated Node #0,2: 43:[40, 47, 4] Operation: 67-63=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[63, 47, 27], Operations: ['67-40=27'] Exploring Operation: 63-27=36, Resulting Numbers: [47, 36] Generated Node #0,1,0: 43:[47, 36] Operation: 63-27=36 Exploring Operation: 63-47=16, Resulting Numbers: [27, 16] Generated Node #0,1,1: 43:[27, 16] Operation: 63-47=16 Exploring Operation: 47-27=20, Resulting Numbers: [63, 20] Generated Node #0,1,2: 43:[63, 20] Operation: 47-27=20 Moving to Node #0,1,0 Current State: 43:[47, 36], Operations: ['67-40=27', '63-27=36'] Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 47*36=1692, Resulting Numbers: [1692] 1692,43 unequal: No Solution Exploring Operation: 47+36=83, Resulting Numbers: [83] 83,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[27, 16], Operations: ['67-40=27', '63-47=16'] Exploring Operation: 27-16=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[63, 40, 67, 47], Operations: [] Exploring Operation: 67-40=27, Resulting Numbers: [63, 47, 27] Generated Node #0,1: 43:[63, 47, 27] Operation: 67-40=27 Moving to Node #0,1 Current State: 43:[63, 47, 27], Operations: ['67-40=27'] Exploring Operation: 63-47=16, Resulting Numbers: [27, 16] Generated Node #0,1,1: 43:[27, 16] Operation: 63-47=16 Moving to Node #0,1,1 Current State: 43:[27, 16], Operations: ['67-40=27', '63-47=16'] Exploring Operation: 27+16=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 10, 44, 4, 16 ]
68
[ "10*4=40", "44-16=28", "40+28=68" ]
Current State: 68:[10, 44, 4, 16], Operations: [] Exploring Operation: 10*4=40, Resulting Numbers: [44, 16, 40] Generated Node #2: [44, 16, 40] from Operation: 10*4=40 Current State: 68:[44, 16, 40], Operations: ['10*4=40'] Exploring Operation: 44-16=28, Resulting Numbers: [40, 28] Generated Node #3: [40, 28] from Operation: 44-16=28 Current State: 68:[40, 28], Operations: ['10*4=40', '44-16=28'] Exploring Operation: 40+28=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[10, 44, 4, 16], Operations: [] Exploring Operation: 44-10=34, Resulting Numbers: [4, 16, 34] Generated Node #0,0: 68:[4, 16, 34] Operation: 44-10=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[4, 16, 34], Operations: ['44-10=34'] Exploring Operation: 16/4=4, Resulting Numbers: [34, 4] Generated Node #0,0,0: 68:[34, 4] Operation: 16/4=4 Moving to Node #0,0,0 Current State: 68:[34, 4], Operations: ['44-10=34', '16/4=4'] Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,68 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
[ 5, 90, 27, 42 ]
21
[ "90-27=63", "42+63=105", "105/5=21" ]
Current State: 21:[5, 90, 27, 42], Operations: [] Exploring Operation: 90-27=63, Resulting Numbers: [5, 42, 63] Generated Node #2: [5, 42, 63] from Operation: 90-27=63 Current State: 21:[5, 42, 63], Operations: ['90-27=63'] Exploring Operation: 42+63=105, Resulting Numbers: [5, 105] Generated Node #3: [5, 105] from Operation: 42+63=105 Current State: 21:[5, 105], Operations: ['90-27=63', '42+63=105'] Exploring Operation: 105/5=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[5, 90, 27, 42], Operations: [] Exploring Operation: 90/5=18, Resulting Numbers: [27, 42, 18] Generated Node #0,0: 21:[27, 42, 18] Operation: 90/5=18 Exploring Operation: 90-42=48, Resulting Numbers: [5, 27, 48] Generated Node #0,1: 21:[5, 27, 48] Operation: 90-42=48 Moving to Node #0,0 Current State: 21:[27, 42, 18], Operations: ['90/5=18'] Exploring Operation: 42-27=15, Resulting Numbers: [18, 15] Generated Node #0,0,0: 21:[18, 15] Operation: 42-27=15 Exploring Operation: 42-18=24, Resulting Numbers: [27, 24] Generated Node #0,0,1: 21:[27, 24] Operation: 42-18=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 21:[18, 15], Operations: ['90/5=18', '42-27=15'] Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,21 unequal: No Solution Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,21 unequal: No Solution No 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: 21:[27, 24], Operations: ['90/5=18', '42-18=24'] Exploring Operation: 27+24=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,21 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: 21:[5, 27, 48], Operations: ['90-42=48'] Exploring Operation: 27-5=22, Resulting Numbers: [48, 22] Generated Node #0,1,0: 21:[48, 22] Operation: 27-5=22 Exploring Operation: 48-27=21, Resulting Numbers: [5, 21] Generated Node #0,1,1: 21:[5, 21] Operation: 48-27=21 Moving to Node #0,1,1 Current State: 21:[5, 21], Operations: ['90-42=48', '48-27=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,21 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[48, 22], Operations: ['90-42=48', '27-5=22'] Exploring Operation: 48+22=70, Resulting Numbers: [70] 70,21 unequal: No Solution Exploring Operation: 48-22=26, Resulting Numbers: [26] 26,21 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 63, 61, 9, 79 ]
97
[ "63-61=2", "9*2=18", "79+18=97" ]
Current State: 97:[63, 61, 9, 79], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [9, 79, 2] Generated Node #2: [9, 79, 2] from Operation: 63-61=2 Current State: 97:[9, 79, 2], Operations: ['63-61=2'] Exploring Operation: 9*2=18, Resulting Numbers: [79, 18] Generated Node #3: [79, 18] from Operation: 9*2=18 Current State: 97:[79, 18], Operations: ['63-61=2', '9*2=18'] Exploring Operation: 79+18=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[63, 61, 9, 79], Operations: [] Exploring Operation: 61+9=70, Resulting Numbers: [63, 79, 70] Generated Node #0,0: 97:[63, 79, 70] Operation: 61+9=70 Exploring Operation: 63+9=72, Resulting Numbers: [61, 79, 72] Generated Node #0,1: 97:[61, 79, 72] Operation: 63+9=72 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[63, 79, 70], Operations: ['61+9=70'] Exploring Operation: 63+79=142, Resulting Numbers: [70, 142] Generated Node #0,0,0: 97:[70, 142] Operation: 63+79=142 Exploring Operation: 63+70=133, Resulting Numbers: [79, 133] Generated Node #0,0,1: 97:[79, 133] Operation: 63+70=133 Moving to Node #0,0,1 Current State: 97:[79, 133], Operations: ['61+9=70', '63+70=133'] Exploring Operation: 133-79=54, Resulting Numbers: [54] 54,97 unequal: No Solution Exploring Operation: 79+133=212, Resulting Numbers: [212] 212,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[70, 142], Operations: ['61+9=70', '63+79=142'] Exploring Operation: 142-70=72, Resulting Numbers: [72] 72,97 unequal: No Solution Exploring Operation: 70+142=212, Resulting Numbers: [212] 212,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[61, 79, 72], Operations: ['63+9=72'] Exploring Operation: 61+79=140, Resulting Numbers: [72, 140] Generated Node #0,1,0: 97:[72, 140] Operation: 61+79=140 Exploring Operation: 61+72=133, Resulting Numbers: [79, 133] Generated Node #0,1,1: 97:[79, 133] Operation: 61+72=133 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[79, 133], Operations: ['63+9=72', '61+72=133'] Exploring Operation: 133-79=54, Resulting Numbers: [54] 54,97 unequal: No Solution Exploring Operation: 79+133=212, Resulting Numbers: [212] 212,97 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 #0,1,0 Current State: 97:[72, 140], Operations: ['63+9=72', '61+79=140'] Exploring Operation: 72+140=212, Resulting Numbers: [212] 212,97 unequal: No Solution Exploring Operation: 140-72=68, Resulting Numbers: [68] 68,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 34, 22, 88, 63 ]
37
[ "34-22=12", "88-63=25", "12+25=37" ]
Current State: 37:[34, 22, 88, 63], Operations: [] Exploring Operation: 34-22=12, Resulting Numbers: [88, 63, 12] Generated Node #2: [88, 63, 12] from Operation: 34-22=12 Current State: 37:[88, 63, 12], Operations: ['34-22=12'] Exploring Operation: 88-63=25, Resulting Numbers: [12, 25] Generated Node #3: [12, 25] from Operation: 88-63=25 Current State: 37:[12, 25], Operations: ['34-22=12', '88-63=25'] Exploring Operation: 12+25=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[34, 22, 88, 63], Operations: [] Exploring Operation: 63-22=41, Resulting Numbers: [34, 88, 41] Generated Node #0,0: 37:[34, 88, 41] Operation: 63-22=41 Exploring Operation: 88-63=25, Resulting Numbers: [34, 22, 25] Generated Node #0,1: 37:[34, 22, 25] Operation: 88-63=25 Exploring Operation: 88-22=66, Resulting Numbers: [34, 63, 66] Generated Node #0,2: 37:[34, 63, 66] Operation: 88-22=66 Exploring Operation: 88-34=54, Resulting Numbers: [22, 63, 54] Generated Node #0,3: 37:[22, 63, 54] Operation: 88-34=54 Exploring Operation: 88/22=4, Resulting Numbers: [34, 63, 4] Generated Node #0,4: 37:[34, 63, 4] Operation: 88/22=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[34, 22, 25], Operations: ['88-63=25'] Exploring Operation: 22+25=47, Resulting Numbers: [34, 47] Generated Node #0,1,0: 37:[34, 47] Operation: 22+25=47 Exploring Operation: 34+25=59, Resulting Numbers: [22, 59] Generated Node #0,1,1: 37:[22, 59] Operation: 34+25=59 Exploring Operation: 34+22=56, Resulting Numbers: [25, 56] Generated Node #0,1,2: 37:[25, 56] Operation: 34+22=56 Exploring Operation: 34-22=12, Resulting Numbers: [25, 12] Generated Node #0,1,3: 37:[25, 12] Operation: 34-22=12 Exploring Operation: 25-22=3, Resulting Numbers: [34, 3] Generated Node #0,1,4: 37:[34, 3] Operation: 25-22=3 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 37:[34, 47], Operations: ['88-63=25', '22+25=47'] Exploring Operation: 34*47=1598, Resulting Numbers: [1598] 1598,37 unequal: No Solution Exploring Operation: 34+47=81, Resulting Numbers: [81] 81,37 unequal: No Solution Exploring Operation: 47-34=13, Resulting Numbers: [13] 13,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 37:[25, 56], Operations: ['88-63=25', '34+22=56'] Exploring Operation: 25*56=1400, Resulting Numbers: [1400] 1400,37 unequal: No Solution Exploring Operation: 56-25=31, Resulting Numbers: [31] 31,37 unequal: No Solution Exploring Operation: 25+56=81, Resulting Numbers: [81] 81,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 37:[22, 59], Operations: ['88-63=25', '34+25=59'] Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[34, 22, 88, 63], Operations: [] Exploring Operation: 88-63=25, Resulting Numbers: [34, 22, 25] Generated Node #0,1: 37:[34, 22, 25] Operation: 88-63=25 Moving to Node #0,1 Current State: 37:[34, 22, 25], Operations: ['88-63=25'] Exploring Operation: 34+25=59, Resulting Numbers: [22, 59] Generated Node #0,1,1: 37:[22, 59] Operation: 34+25=59 Moving to Node #0,1,1 Current State: 37:[22, 59], Operations: ['88-63=25', '34+25=59'] Exploring Operation: 59-22=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 48, 54, 20, 40 ]
65
[ "54*40=2160", "2160/48=45", "20+45=65" ]
Current State: 65:[48, 54, 20, 40], Operations: [] Exploring Operation: 54*40=2160, Resulting Numbers: [48, 20, 2160] Generated Node #2: [48, 20, 2160] from Operation: 54*40=2160 Current State: 65:[48, 20, 2160], Operations: ['54*40=2160'] Exploring Operation: 2160/48=45, Resulting Numbers: [20, 45] Generated Node #3: [20, 45] from Operation: 2160/48=45 Current State: 65:[20, 45], Operations: ['54*40=2160', '2160/48=45'] Exploring Operation: 20+45=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[48, 54, 20, 40], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [48, 54, 2] Generated Node #0,0: 65:[48, 54, 2] Operation: 40/20=2 Exploring Operation: 54-40=14, Resulting Numbers: [48, 20, 14] Generated Node #0,1: 65:[48, 20, 14] Operation: 54-40=14 Exploring Operation: 54-48=6, Resulting Numbers: [20, 40, 6] Generated Node #0,2: 65:[20, 40, 6] Operation: 54-48=6 Exploring Operation: 48-40=8, Resulting Numbers: [54, 20, 8] Generated Node #0,3: 65:[54, 20, 8] Operation: 48-40=8 Moving to Node #0,3 Current State: 65:[54, 20, 8], Operations: ['48-40=8'] Exploring Operation: 54-20=34, Resulting Numbers: [8, 34] Generated Node #0,3,0: 65:[8, 34] Operation: 54-20=34 Exploring Operation: 54+8=62, Resulting Numbers: [20, 62] Generated Node #0,3,1: 65:[20, 62] Operation: 54+8=62 Exploring Operation: 20-8=12, Resulting Numbers: [54, 12] Generated Node #0,3,2: 65:[54, 12] Operation: 20-8=12 Exploring Operation: 54+20=74, Resulting Numbers: [8, 74] Generated Node #0,3,3: 65:[8, 74] Operation: 54+20=74 Moving to Node #0,1 Current State: 65:[48, 20, 14], Operations: ['54-40=14'] Exploring Operation: 48+14=62, Resulting Numbers: [20, 62] Generated Node #0,1,0: 65:[20, 62] Operation: 48+14=62 Exploring Operation: 48-20=28, Resulting Numbers: [14, 28] Generated Node #0,1,1: 65:[14, 28] Operation: 48-20=28 Exploring Operation: 20-14=6, Resulting Numbers: [48, 6] Generated Node #0,1,2: 65:[48, 6] Operation: 20-14=6 Exploring Operation: 48+20=68, Resulting Numbers: [14, 68] Generated Node #0,1,3: 65:[14, 68] Operation: 48+20=68 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 65:[14, 68], Operations: ['54-40=14', '48+20=68'] Exploring Operation: 14*68=952, Resulting Numbers: [952] 952,65 unequal: No Solution Exploring Operation: 68-14=54, Resulting Numbers: [54] 54,65 unequal: No Solution Exploring Operation: 14+68=82, Resulting Numbers: [82] 82,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[20, 62], Operations: ['54-40=14', '48+14=62'] Exploring Operation: 20+62=82, Resulting Numbers: [82] 82,65 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 20*62=1240, Resulting Numbers: [1240] 1240,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[14, 28], Operations: ['54-40=14', '48-20=28'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,65 unequal: No Solution Exploring Operation: 14*28=392, Resulting Numbers: [392] 392,65 unequal: No Solution Exploring Operation: 14+28=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 28/14=2, Resulting Numbers: [2] 2,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[48, 6], Operations: ['54-40=14', '20-14=6'] Exploring Operation: 48-6=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,65 unequal: No Solution Exploring Operation: 48*6=288, Resulting Numbers: [288] 288,65 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: 65:[48, 54, 2], Operations: ['40/20=2'] Exploring Operation: 48+2=50, Resulting Numbers: [54, 50] Generated Node #0,0,0: 65:[54, 50] Operation: 48+2=50 Exploring Operation: 54-48=6, Resulting Numbers: [2, 6] Generated Node #0,0,1: 65:[2, 6] Operation: 54-48=6 Exploring Operation: 48/2=24, Resulting Numbers: [54, 24] Generated Node #0,0,2: 65:[54, 24] Operation: 48/2=24 Exploring Operation: 54+2=56, Resulting Numbers: [48, 56] Generated Node #0,0,3: 65:[48, 56] Operation: 54+2=56 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[2, 6], Operations: ['40/20=2', '54-48=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,65 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[54, 24], Operations: ['40/20=2', '48/2=24'] Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 54*24=1296, Resulting Numbers: [1296] 1296,65 unequal: No Solution Exploring Operation: 54+24=78, Resulting Numbers: [78] 78,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[54, 50], Operations: ['40/20=2', '48+2=50'] Exploring Operation: 54+50=104, Resulting Numbers: [104] 104,65 unequal: No Solution Exploring Operation: 54-50=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 54*50=2700, Resulting Numbers: [2700] 2700,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 65:[48, 56], Operations: ['40/20=2', '54+2=56'] Exploring Operation: 48+56=104, Resulting Numbers: [104] 104,65 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 48*56=2688, Resulting Numbers: [2688] 2688,65 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: 65:[20, 40, 6], Operations: ['54-48=6'] Exploring Operation: 20-6=14, Resulting Numbers: [40, 14] Generated Node #0,2,0: 65:[40, 14] Operation: 20-6=14 Exploring Operation: 40/20=2, Resulting Numbers: [6, 2] Generated Node #0,2,1: 65:[6, 2] Operation: 40/20=2 Exploring Operation: 40-20=20, Resulting Numbers: [6, 20] Generated Node #0,2,2: 65:[6, 20] Operation: 40-20=20 Exploring Operation: 20+40=60, Resulting Numbers: [6, 60] Generated Node #0,2,3: 65:[6, 60] Operation: 20+40=60 Moving to Node #0,2,1 Current State: 65:[6, 2], Operations: ['54-48=6', '40/20=2'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,65 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[6, 60], Operations: ['54-48=6', '20+40=60'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 6*60=360, Resulting Numbers: [360] 360,65 unequal: No Solution Exploring Operation: 6+60=66, Resulting Numbers: [66] 66,65 unequal: No Solution Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[6, 20], Operations: ['54-48=6', '40-20=20'] Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,65 unequal: No Solution Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,65 unequal: No Solution Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,65 unequal: No Solution Moving to Node #0,3,1 Current State: 65:[20, 62], Operations: ['48-40=8', '54+8=62'] Exploring Operation: 20*62=1240, Resulting Numbers: [1240] 1240,65 unequal: No Solution Exploring Operation: 20+62=82, Resulting Numbers: [82] 82,65 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,65 unequal: No Solution Moving to Node #0,3,3 Current State: 65:[8, 74], Operations: ['48-40=8', '54+20=74'] Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,65 unequal: No Solution Exploring Operation: 8+74=82, Resulting Numbers: [82] 82,65 unequal: No Solution Exploring Operation: 8*74=592, Resulting Numbers: [592] 592,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[54, 12], Operations: ['48-40=8', '20-8=12'] Exploring Operation: 54+12=66, Resulting Numbers: [66] 66,65 unequal: No Solution Exploring Operation: 54*12=648, Resulting Numbers: [648] 648,65 unequal: No Solution Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,65 unequal: No Solution Moving to Node #0,3,0 Current State: 65:[8, 34], Operations: ['48-40=8', '54-20=34'] Exploring Operation: 8+34=42, Resulting Numbers: [42] 42,65 unequal: No Solution Exploring Operation: 34-8=26, Resulting Numbers: [26] 26,65 unequal: No Solution Exploring Operation: 8*34=272, Resulting Numbers: [272] 272,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[40, 14], Operations: ['54-48=6', '20-6=14'] Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,65 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,65 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,65 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 77, 70, 5, 11 ]
13
[ "77-70=7", "11-5=6", "7+6=13" ]
Current State: 13:[77, 70, 5, 11], Operations: [] Exploring Operation: 77-70=7, Resulting Numbers: [5, 11, 7] Generated Node #2: [5, 11, 7] from Operation: 77-70=7 Current State: 13:[5, 11, 7], Operations: ['77-70=7'] Exploring Operation: 11-5=6, Resulting Numbers: [7, 6] Generated Node #3: [7, 6] from Operation: 11-5=6 Current State: 13:[7, 6], Operations: ['77-70=7', '11-5=6'] Exploring Operation: 7+6=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[77, 70, 5, 11], Operations: [] Exploring Operation: 77-70=7, Resulting Numbers: [5, 11, 7] Generated Node #0,0: 13:[5, 11, 7] Operation: 77-70=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[5, 11, 7], Operations: ['77-70=7'] Exploring Operation: 5+7=12, Resulting Numbers: [11, 12] Generated Node #0,0,0: 13:[11, 12] Operation: 5+7=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 13:[11, 12], Operations: ['77-70=7', '5+7=12'] Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,13 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
[ 8, 17, 10, 2 ]
58
[ "8*17=136", "136/2=68", "68-10=58" ]
Current State: 58:[8, 17, 10, 2], Operations: [] Exploring Operation: 8*17=136, Resulting Numbers: [10, 2, 136] Generated Node #2: [10, 2, 136] from Operation: 8*17=136 Current State: 58:[10, 2, 136], Operations: ['8*17=136'] Exploring Operation: 136/2=68, Resulting Numbers: [10, 68] Generated Node #3: [10, 68] from Operation: 136/2=68 Current State: 58:[10, 68], Operations: ['8*17=136', '136/2=68'] Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[8, 17, 10, 2], Operations: [] Exploring Operation: 8+17=25, Resulting Numbers: [10, 2, 25] Generated Node #0,0: 58:[10, 2, 25] Operation: 8+17=25 Exploring Operation: 17+10=27, Resulting Numbers: [8, 2, 27] Generated Node #0,1: 58:[8, 2, 27] Operation: 17+10=27 Exploring Operation: 17-10=7, Resulting Numbers: [8, 2, 7] Generated Node #0,2: 58:[8, 2, 7] Operation: 17-10=7 Moving to Node #0,1 Current State: 58:[8, 2, 27], Operations: ['17+10=27'] Exploring Operation: 8-2=6, Resulting Numbers: [27, 6] Generated Node #0,1,0: 58:[27, 6] Operation: 8-2=6 Exploring Operation: 8/2=4, Resulting Numbers: [27, 4] Generated Node #0,1,1: 58:[27, 4] Operation: 8/2=4 Exploring Operation: 8+27=35, Resulting Numbers: [2, 35] Generated Node #0,1,2: 58:[2, 35] Operation: 8+27=35 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[27, 4], Operations: ['17+10=27', '8/2=4'] Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,58 unequal: No Solution Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 58:[27, 6], Operations: ['17+10=27', '8-2=6'] Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,58 unequal: No Solution Exploring Operation: 27*6=162, Resulting Numbers: [162] 162,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[2, 35], Operations: ['17+10=27', '8+27=35'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,58 unequal: No Solution Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,58 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:[8, 2, 7], Operations: ['17-10=7'] Exploring Operation: 8*7=56, Resulting Numbers: [2, 56] Generated Node #0,2,0: 58:[2, 56] Operation: 8*7=56 Exploring Operation: 8/2=4, Resulting Numbers: [7, 4] Generated Node #0,2,1: 58:[7, 4] Operation: 8/2=4 Exploring Operation: 8-7=1, Resulting Numbers: [2, 1] Generated Node #0,2,2: 58:[2, 1] Operation: 8-7=1 Moving to Node #0,0 Current State: 58:[10, 2, 25], Operations: ['8+17=25'] Exploring Operation: 10+25=35, Resulting Numbers: [2, 35] Generated Node #0,0,0: 58:[2, 35] Operation: 10+25=35 Exploring Operation: 10-2=8, Resulting Numbers: [25, 8] Generated Node #0,0,1: 58:[25, 8] Operation: 10-2=8 Exploring Operation: 10/2=5, Resulting Numbers: [25, 5] Generated Node #0,0,2: 58:[25, 5] Operation: 10/2=5 Moving to Node #0,2,2 Current State: 58:[2, 1], Operations: ['17-10=7', '8-7=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,58 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[2, 56], Operations: ['17-10=7', '8*7=56'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,58 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[8, 17, 10, 2], Operations: [] Exploring Operation: 17-10=7, Resulting Numbers: [8, 2, 7] Generated Node #0,2: 58:[8, 2, 7] Operation: 17-10=7 Moving to Node #0,2 Current State: 58:[8, 2, 7], Operations: ['17-10=7'] Exploring Operation: 8*7=56, Resulting Numbers: [2, 56] Generated Node #0,2,0: 58:[2, 56] Operation: 8*7=56 Moving to Node #0,2,0 Current State: 58:[2, 56], Operations: ['17-10=7', '8*7=56'] Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
0.97309
hs_3
sum_heuristic
[ 5, 57, 90, 15 ]
90
[ "90/5=18", "57+15=72", "18+72=90" ]
Current State: 90:[5, 57, 90, 15], Operations: [] Exploring Operation: 90/5=18, Resulting Numbers: [57, 15, 18] Generated Node #2: [57, 15, 18] from Operation: 90/5=18 Current State: 90:[57, 15, 18], Operations: ['90/5=18'] Exploring Operation: 57+15=72, Resulting Numbers: [18, 72] Generated Node #3: [18, 72] from Operation: 57+15=72 Current State: 90:[18, 72], Operations: ['90/5=18', '57+15=72'] Exploring Operation: 18+72=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[5, 57, 90, 15], Operations: [] Exploring Operation: 57-15=42, Resulting Numbers: [5, 90, 42] Generated Node #0,0: 90:[5, 90, 42] Operation: 57-15=42 Exploring Operation: 90-57=33, Resulting Numbers: [5, 15, 33] Generated Node #0,1: 90:[5, 15, 33] Operation: 90-57=33 Moving to Node #0,0 Current State: 90:[5, 90, 42], Operations: ['57-15=42'] Exploring Operation: 90/5=18, Resulting Numbers: [42, 18] Generated Node #0,0,0: 90:[42, 18] Operation: 90/5=18 Exploring Operation: 5+42=47, Resulting Numbers: [90, 47] Generated Node #0,0,1: 90:[90, 47] Operation: 5+42=47 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[90, 47], Operations: ['57-15=42', '5+42=47'] Exploring Operation: 90-47=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 90+47=137, Resulting Numbers: [137] 137,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[42, 18], Operations: ['57-15=42', '90/5=18'] Exploring Operation: 42+18=60, Resulting Numbers: [60] 60,90 unequal: No Solution Exploring Operation: 42-18=24, Resulting Numbers: [24] 24,90 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: 90:[5, 15, 33], Operations: ['90-57=33'] Exploring Operation: 33-5=28, Resulting Numbers: [15, 28] Generated Node #0,1,0: 90:[15, 28] Operation: 33-5=28 Exploring Operation: 33-15=18, Resulting Numbers: [5, 18] Generated Node #0,1,1: 90:[5, 18] Operation: 33-15=18 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[5, 18], Operations: ['90-57=33', '33-15=18'] Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,90 unequal: No Solution Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[5, 57, 90, 15], Operations: [] Exploring Operation: 90-57=33, Resulting Numbers: [5, 15, 33] Generated Node #0,1: 90:[5, 15, 33] Operation: 90-57=33 Moving to Node #0,1 Current State: 90:[5, 15, 33], Operations: ['90-57=33'] Exploring Operation: 33-15=18, Resulting Numbers: [5, 18] Generated Node #0,1,1: 90:[5, 18] Operation: 33-15=18 Moving to Node #0,1,1 Current State: 90:[5, 18], Operations: ['90-57=33', '33-15=18'] Exploring Operation: 5*18=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 75, 36, 78, 6 ]
72
[ "78-75=3", "36*6=216", "216/3=72" ]
Current State: 72:[75, 36, 78, 6], Operations: [] Exploring Operation: 78-75=3, Resulting Numbers: [36, 6, 3] Generated Node #2: [36, 6, 3] from Operation: 78-75=3 Current State: 72:[36, 6, 3], Operations: ['78-75=3'] Exploring Operation: 36*6=216, Resulting Numbers: [3, 216] Generated Node #3: [3, 216] from Operation: 36*6=216 Current State: 72:[3, 216], Operations: ['78-75=3', '36*6=216'] Exploring Operation: 216/3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[75, 36, 78, 6], Operations: [] Exploring Operation: 75-36=39, Resulting Numbers: [78, 6, 39] Generated Node #0,0: 72:[78, 6, 39] Operation: 75-36=39 Exploring Operation: 78/6=13, Resulting Numbers: [75, 36, 13] Generated Node #0,1: 72:[75, 36, 13] Operation: 78/6=13 Exploring Operation: 78-75=3, Resulting Numbers: [36, 6, 3] Generated Node #0,2: 72:[36, 6, 3] Operation: 78-75=3 Exploring Operation: 78-6=72, Resulting Numbers: [75, 36, 72] Generated Node #0,3: 72:[75, 36, 72] Operation: 78-6=72 Moving to Node #0,2 Current State: 72:[36, 6, 3], Operations: ['78-75=3'] Exploring Operation: 6*3=18, Resulting Numbers: [36, 18] Generated Node #0,2,0: 72:[36, 18] Operation: 6*3=18 Exploring Operation: 6+3=9, Resulting Numbers: [36, 9] Generated Node #0,2,1: 72:[36, 9] Operation: 6+3=9 Exploring Operation: 36/6=6, Resulting Numbers: [3, 6] Generated Node #0,2,2: 72:[3, 6] Operation: 36/6=6 Exploring Operation: 36/3=12, Resulting Numbers: [6, 12] Generated Node #0,2,3: 72:[6, 12] Operation: 36/3=12 Moving to Node #0,3 Current State: 72:[75, 36, 72], Operations: ['78-6=72'] Exploring Operation: 75-36=39, Resulting Numbers: [72, 39] Generated Node #0,3,0: 72:[72, 39] Operation: 75-36=39 Exploring Operation: 72-36=36, Resulting Numbers: [75, 36] Generated Node #0,3,1: 72:[75, 36] Operation: 72-36=36 Exploring Operation: 75-72=3, Resulting Numbers: [36, 3] Generated Node #0,3,2: 72:[36, 3] Operation: 75-72=3 Exploring Operation: 72/36=2, Resulting Numbers: [75, 2] Generated Node #0,3,3: 72:[75, 2] Operation: 72/36=2 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 72:[36, 3], Operations: ['78-6=72', '75-72=3'] Exploring Operation: 36*3=108, Resulting Numbers: [108] 108,72 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,72 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,72 unequal: No Solution No 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: 72:[72, 39], Operations: ['78-6=72', '75-36=39'] Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 72+39=111, Resulting Numbers: [111] 111,72 unequal: No Solution Exploring Operation: 72*39=2808, Resulting Numbers: [2808] 2808,72 unequal: No Solution No 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: 72:[75, 36], Operations: ['78-6=72', '72-36=36'] Exploring Operation: 75-36=39, Resulting Numbers: [39] 39,72 unequal: No Solution Exploring Operation: 75*36=2700, Resulting Numbers: [2700] 2700,72 unequal: No Solution Exploring Operation: 75+36=111, Resulting Numbers: [111] 111,72 unequal: No Solution No 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: 72:[75, 2], Operations: ['78-6=72', '72/36=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,72 unequal: No Solution Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,72 unequal: No Solution Exploring Operation: 75*2=150, Resulting Numbers: [150] 150,72 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: 72:[75, 36, 13], Operations: ['78/6=13'] Exploring Operation: 75+13=88, Resulting Numbers: [36, 88] Generated Node #0,1,0: 72:[36, 88] Operation: 75+13=88 Exploring Operation: 75-13=62, Resulting Numbers: [36, 62] Generated Node #0,1,1: 72:[36, 62] Operation: 75-13=62 Exploring Operation: 36-13=23, Resulting Numbers: [75, 23] Generated Node #0,1,2: 72:[75, 23] Operation: 36-13=23 Exploring Operation: 75-36=39, Resulting Numbers: [13, 39] Generated Node #0,1,3: 72:[13, 39] Operation: 75-36=39 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 72:[75, 23], Operations: ['78/6=13', '36-13=23'] Exploring Operation: 75*23=1725, Resulting Numbers: [1725] 1725,72 unequal: No Solution Exploring Operation: 75-23=52, Resulting Numbers: [52] 52,72 unequal: No Solution Exploring Operation: 75+23=98, Resulting Numbers: [98] 98,72 unequal: No Solution No 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: 72:[13, 39], Operations: ['78/6=13', '75-36=39'] Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,72 unequal: No Solution Exploring Operation: 13*39=507, Resulting Numbers: [507] 507,72 unequal: No Solution Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 13+39=52, Resulting Numbers: [52] 52,72 unequal: No Solution No 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: 72:[36, 62], Operations: ['78/6=13', '75-13=62'] Exploring Operation: 36*62=2232, Resulting Numbers: [2232] 2232,72 unequal: No Solution Exploring Operation: 36+62=98, Resulting Numbers: [98] 98,72 unequal: No Solution Exploring Operation: 62-36=26, Resulting Numbers: [26] 26,72 unequal: No Solution No 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: 72:[36, 88], Operations: ['78/6=13', '75+13=88'] Exploring Operation: 36*88=3168, Resulting Numbers: [3168] 3168,72 unequal: No Solution Exploring Operation: 88-36=52, Resulting Numbers: [52] 52,72 unequal: No Solution Exploring Operation: 36+88=124, Resulting Numbers: [124] 124,72 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: 72:[78, 6, 39], Operations: ['75-36=39'] Exploring Operation: 78-39=39, Resulting Numbers: [6, 39] Generated Node #0,0,0: 72:[6, 39] Operation: 78-39=39 Exploring Operation: 78-6=72, Resulting Numbers: [39, 72] Generated Node #0,0,1: 72:[39, 72] Operation: 78-6=72 Exploring Operation: 78/39=2, Resulting Numbers: [6, 2] Generated Node #0,0,2: 72:[6, 2] Operation: 78/39=2 Exploring Operation: 78/6=13, Resulting Numbers: [39, 13] Generated Node #0,0,3: 72:[39, 13] Operation: 78/6=13 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 72:[6, 2], Operations: ['75-36=39', '78/39=2'] Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,72 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,72 unequal: No Solution No 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: 72:[6, 39], Operations: ['75-36=39', '78-39=39'] Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 6*39=234, Resulting Numbers: [234] 234,72 unequal: No Solution Exploring Operation: 6+39=45, Resulting Numbers: [45] 45,72 unequal: No Solution No 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: 72:[39, 72], Operations: ['75-36=39', '78-6=72'] Exploring Operation: 39*72=2808, Resulting Numbers: [2808] 2808,72 unequal: No Solution Exploring Operation: 72-39=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 39+72=111, Resulting Numbers: [111] 111,72 unequal: No Solution No 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: 72:[39, 13], Operations: ['75-36=39', '78/6=13'] Exploring Operation: 39/13=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 39-13=26, Resulting Numbers: [26] 26,72 unequal: No Solution Exploring Operation: 39+13=52, Resulting Numbers: [52] 52,72 unequal: No Solution Exploring Operation: 39*13=507, Resulting Numbers: [507] 507,72 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: 72:[36, 18], Operations: ['78-75=3', '6*3=18'] Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 36*18=648, Resulting Numbers: [648] 648,72 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 36+18=54, Resulting Numbers: [54] 54,72 unequal: No Solution Moving to Node #0,2,2 Current State: 72:[3, 6], Operations: ['78-75=3', '36/6=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,72 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,72 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[36, 9], Operations: ['78-75=3', '6+3=9'] Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,72 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,72 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,72 unequal: No Solution Exploring Operation: 36*9=324, Resulting Numbers: [324] 324,72 unequal: No Solution Moving to Node #0,2,3 Current State: 72:[6, 12], Operations: ['78-75=3', '36/3=12'] Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,72 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,72 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,72 unequal: No Solution Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[75, 36, 78, 6], Operations: [] Exploring Operation: 78-75=3, Resulting Numbers: [36, 6, 3] Generated Node #0,2: 72:[36, 6, 3] Operation: 78-75=3 Moving to Node #0,2 Current State: 72:[36, 6, 3], Operations: ['78-75=3'] Exploring Operation: 36/3=12, Resulting Numbers: [6, 12] Generated Node #0,2,3: 72:[6, 12] Operation: 36/3=12 Moving to Node #0,2,3 Current State: 72:[6, 12], Operations: ['78-75=3', '36/3=12'] Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
0.930556
hs_4
sum_heuristic
[ 2, 84, 69, 43 ]
29
[ "84-69=15", "43+15=58", "58/2=29" ]
Current State: 29:[2, 84, 69, 43], Operations: [] Exploring Operation: 84-69=15, Resulting Numbers: [2, 43, 15] Generated Node #2: [2, 43, 15] from Operation: 84-69=15 Current State: 29:[2, 43, 15], Operations: ['84-69=15'] Exploring Operation: 43+15=58, Resulting Numbers: [2, 58] Generated Node #3: [2, 58] from Operation: 43+15=58 Current State: 29:[2, 58], Operations: ['84-69=15', '43+15=58'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[2, 84, 69, 43], Operations: [] Exploring Operation: 84-2=82, Resulting Numbers: [69, 43, 82] Generated Node #0,0: 29:[69, 43, 82] Operation: 84-2=82 Exploring Operation: 69-43=26, Resulting Numbers: [2, 84, 26] Generated Node #0,1: 29:[2, 84, 26] Operation: 69-43=26 Exploring Operation: 84-43=41, Resulting Numbers: [2, 69, 41] Generated Node #0,2: 29:[2, 69, 41] Operation: 84-43=41 Exploring Operation: 84/2=42, Resulting Numbers: [69, 43, 42] Generated Node #0,3: 29:[69, 43, 42] Operation: 84/2=42 Exploring Operation: 84-69=15, Resulting Numbers: [2, 43, 15] Generated Node #0,4: 29:[2, 43, 15] Operation: 84-69=15 Moving to Node #0,4 Current State: 29:[2, 43, 15], Operations: ['84-69=15'] Exploring Operation: 2*15=30, Resulting Numbers: [43, 30] Generated Node #0,4,0: 29:[43, 30] Operation: 2*15=30 Exploring Operation: 43-15=28, Resulting Numbers: [2, 28] Generated Node #0,4,1: 29:[2, 28] Operation: 43-15=28 Exploring Operation: 2+43=45, Resulting Numbers: [15, 45] Generated Node #0,4,2: 29:[15, 45] Operation: 2+43=45 Exploring Operation: 43-2=41, Resulting Numbers: [15, 41] Generated Node #0,4,3: 29:[15, 41] Operation: 43-2=41 Exploring Operation: 2+15=17, Resulting Numbers: [43, 17] Generated Node #0,4,4: 29:[43, 17] Operation: 2+15=17 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 29:[43, 30], Operations: ['84-69=15', '2*15=30'] Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,29 unequal: No Solution Exploring Operation: 43*30=1290, Resulting Numbers: [1290] 1290,29 unequal: No Solution Exploring Operation: 43+30=73, Resulting Numbers: [73] 73,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 29:[15, 41], Operations: ['84-69=15', '43-2=41'] Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 15+41=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 15*41=615, Resulting Numbers: [615] 615,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 29:[43, 17], Operations: ['84-69=15', '2+15=17'] Exploring Operation: 43*17=731, Resulting Numbers: [731] 731,29 unequal: No Solution Exploring Operation: 43-17=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 43+17=60, Resulting Numbers: [60] 60,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 29:[2, 28], Operations: ['84-69=15', '43-15=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 29:[15, 45], Operations: ['84-69=15', '2+43=45'] Exploring Operation: 15*45=675, Resulting Numbers: [675] 675,29 unequal: No Solution Exploring Operation: 45/15=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 15+45=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,29 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: 29:[69, 43, 42], Operations: ['84/2=42'] Exploring Operation: 69-42=27, Resulting Numbers: [43, 27] Generated Node #0,3,0: 29:[43, 27] Operation: 69-42=27 Exploring Operation: 43-42=1, Resulting Numbers: [69, 1] Generated Node #0,3,1: 29:[69, 1] Operation: 43-42=1 Exploring Operation: 69+42=111, Resulting Numbers: [43, 111] Generated Node #0,3,2: 29:[43, 111] Operation: 69+42=111 Exploring Operation: 69+43=112, Resulting Numbers: [42, 112] Generated Node #0,3,3: 29:[42, 112] Operation: 69+43=112 Exploring Operation: 69-43=26, Resulting Numbers: [42, 26] Generated Node #0,3,4: 29:[42, 26] Operation: 69-43=26 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 29:[43, 27], Operations: ['84/2=42', '69-42=27'] Exploring Operation: 43*27=1161, Resulting Numbers: [1161] 1161,29 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 43+27=70, Resulting Numbers: [70] 70,29 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 #0,3,4 Current State: 29:[42, 26], Operations: ['84/2=42', '69-43=26'] Exploring Operation: 42*26=1092, Resulting Numbers: [1092] 1092,29 unequal: No Solution Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 42+26=68, Resulting Numbers: [68] 68,29 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 #0,3,1 Current State: 29:[69, 1], Operations: ['84/2=42', '43-42=1'] Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 69*1=69, Resulting Numbers: [69] 69,29 unequal: No Solution Exploring Operation: 69/1=69, Resulting Numbers: [69] 69,29 unequal: No Solution Exploring Operation: 69+1=70, Resulting Numbers: [70] 70,29 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 #0,3,2 Current State: 29:[43, 111], Operations: ['84/2=42', '69+42=111'] Exploring Operation: 111-43=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 43*111=4773, Resulting Numbers: [4773] 4773,29 unequal: No Solution Exploring Operation: 43+111=154, Resulting Numbers: [154] 154,29 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 #0,3,3 Current State: 29:[42, 112], Operations: ['84/2=42', '69+43=112'] Exploring Operation: 42*112=4704, Resulting Numbers: [4704] 4704,29 unequal: No Solution Exploring Operation: 112-42=70, Resulting Numbers: [70] 70,29 unequal: No Solution Exploring Operation: 42+112=154, Resulting Numbers: [154] 154,29 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: 29:[2, 69, 41], Operations: ['84-43=41'] Exploring Operation: 69-41=28, Resulting Numbers: [2, 28] Generated Node #0,2,0: 29:[2, 28] Operation: 69-41=28 Exploring Operation: 69-2=67, Resulting Numbers: [41, 67] Generated Node #0,2,1: 29:[41, 67] Operation: 69-2=67 Exploring Operation: 2+69=71, Resulting Numbers: [41, 71] Generated Node #0,2,2: 29:[41, 71] Operation: 2+69=71 Exploring Operation: 2+41=43, Resulting Numbers: [69, 43] Generated Node #0,2,3: 29:[69, 43] Operation: 2+41=43 Exploring Operation: 41-2=39, Resulting Numbers: [69, 39] Generated Node #0,2,4: 29:[69, 39] Operation: 41-2=39 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[2, 28], Operations: ['84-43=41', '69-41=28'] Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[41, 67], Operations: ['84-43=41', '69-2=67'] Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,29 unequal: No Solution Exploring Operation: 41*67=2747, Resulting Numbers: [2747] 2747,29 unequal: No Solution Exploring Operation: 41+67=108, Resulting Numbers: [108] 108,29 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 #0,2,4 Current State: 29:[69, 39], Operations: ['84-43=41', '41-2=39'] Exploring Operation: 69-39=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 69+39=108, Resulting Numbers: [108] 108,29 unequal: No Solution Exploring Operation: 69*39=2691, Resulting Numbers: [2691] 2691,29 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 #0,2,2 Current State: 29:[41, 71], Operations: ['84-43=41', '2+69=71'] Exploring Operation: 41*71=2911, Resulting Numbers: [2911] 2911,29 unequal: No Solution Exploring Operation: 71-41=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 41+71=112, Resulting Numbers: [112] 112,29 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 #0,2,3 Current State: 29:[69, 43], Operations: ['84-43=41', '2+41=43'] Exploring Operation: 69+43=112, Resulting Numbers: [112] 112,29 unequal: No Solution Exploring Operation: 69*43=2967, Resulting Numbers: [2967] 2967,29 unequal: No Solution Exploring Operation: 69-43=26, Resulting Numbers: [26] 26,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 29:[2, 84, 26], Operations: ['69-43=26'] Exploring Operation: 2+26=28, Resulting Numbers: [84, 28] Generated Node #0,1,0: 29:[84, 28] Operation: 2+26=28 Exploring Operation: 84/2=42, Resulting Numbers: [26, 42] Generated Node #0,1,1: 29:[26, 42] Operation: 84/2=42 Exploring Operation: 84-2=82, Resulting Numbers: [26, 82] Generated Node #0,1,2: 29:[26, 82] Operation: 84-2=82 Exploring Operation: 2+84=86, Resulting Numbers: [26, 86] Generated Node #0,1,3: 29:[26, 86] Operation: 2+84=86 Exploring Operation: 84-26=58, Resulting Numbers: [2, 58] Generated Node #0,1,4: 29:[2, 58] Operation: 84-26=58 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[26, 42], Operations: ['69-43=26', '84/2=42'] Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,29 unequal: No Solution Exploring Operation: 26+42=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 26*42=1092, Resulting Numbers: [1092] 1092,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[84, 28], Operations: ['69-43=26', '2+26=28'] Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,29 unequal: No Solution Exploring Operation: 84*28=2352, Resulting Numbers: [2352] 2352,29 unequal: No Solution Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 84+28=112, Resulting Numbers: [112] 112,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[26, 82], Operations: ['69-43=26', '84-2=82'] Exploring Operation: 26+82=108, Resulting Numbers: [108] 108,29 unequal: No Solution Exploring Operation: 82-26=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 26*82=2132, Resulting Numbers: [2132] 2132,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 29:[2, 58], Operations: ['69-43=26', '84-26=58'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[2, 84, 69, 43], Operations: [] Exploring Operation: 69-43=26, Resulting Numbers: [2, 84, 26] Generated Node #0,1: 29:[2, 84, 26] Operation: 69-43=26 Moving to Node #0,1 Current State: 29:[2, 84, 26], Operations: ['69-43=26'] Exploring Operation: 84-26=58, Resulting Numbers: [2, 58] Generated Node #0,1,4: 29:[2, 58] Operation: 84-26=58 Moving to Node #0,1,4 Current State: 29:[2, 58], Operations: ['69-43=26', '84-26=58'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.922743
hs_5
sum_heuristic
[ 26, 96, 15, 17 ]
35
[ "96-26=70", "17-15=2", "70/2=35" ]
Current State: 35:[26, 96, 15, 17], Operations: [] Exploring Operation: 96-26=70, Resulting Numbers: [15, 17, 70] Generated Node #2: [15, 17, 70] from Operation: 96-26=70 Current State: 35:[15, 17, 70], Operations: ['96-26=70'] Exploring Operation: 17-15=2, Resulting Numbers: [70, 2] Generated Node #3: [70, 2] from Operation: 17-15=2 Current State: 35:[70, 2], Operations: ['96-26=70', '17-15=2'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[26, 96, 15, 17], Operations: [] Exploring Operation: 96-17=79, Resulting Numbers: [26, 15, 79] Generated Node #0,0: 35:[26, 15, 79] Operation: 96-17=79 Exploring Operation: 96-26=70, Resulting Numbers: [15, 17, 70] Generated Node #0,1: 35:[15, 17, 70] Operation: 96-26=70 Moving to Node #0,1 Current State: 35:[15, 17, 70], Operations: ['96-26=70'] Exploring Operation: 70-15=55, Resulting Numbers: [17, 55] Generated Node #0,1,0: 35:[17, 55] Operation: 70-15=55 Exploring Operation: 70-17=53, Resulting Numbers: [15, 53] Generated Node #0,1,1: 35:[15, 53] Operation: 70-17=53 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[15, 53], Operations: ['96-26=70', '70-17=53'] Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 15+53=68, Resulting Numbers: [68] 68,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[17, 55], Operations: ['96-26=70', '70-15=55'] Exploring Operation: 17+55=72, Resulting Numbers: [72] 72,35 unequal: No Solution Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 35:[26, 15, 79], Operations: ['96-17=79'] Exploring Operation: 79-26=53, Resulting Numbers: [15, 53] Generated Node #0,0,0: 35:[15, 53] Operation: 79-26=53 Exploring Operation: 79-15=64, Resulting Numbers: [26, 64] Generated Node #0,0,1: 35:[26, 64] Operation: 79-15=64 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[15, 53], Operations: ['96-17=79', '79-26=53'] Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 15+53=68, Resulting Numbers: [68] 68,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[26, 64], Operations: ['96-17=79', '79-15=64'] Exploring Operation: 64-26=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 26+64=90, Resulting Numbers: [90] 90,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 11, 18, 35, 29 ]
33
[ "11*18=198", "35-29=6", "198/6=33" ]
Current State: 33:[11, 18, 35, 29], Operations: [] Exploring Operation: 11*18=198, Resulting Numbers: [35, 29, 198] Generated Node #2: [35, 29, 198] from Operation: 11*18=198 Current State: 33:[35, 29, 198], Operations: ['11*18=198'] Exploring Operation: 35-29=6, Resulting Numbers: [198, 6] Generated Node #3: [198, 6] from Operation: 35-29=6 Current State: 33:[198, 6], Operations: ['11*18=198', '35-29=6'] Exploring Operation: 198/6=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[11, 18, 35, 29], Operations: [] Exploring Operation: 11+18=29, Resulting Numbers: [35, 29, 29] Generated Node #0,0: 33:[35, 29, 29] Operation: 11+18=29 Exploring Operation: 29-18=11, Resulting Numbers: [11, 35, 11] Generated Node #0,1: 33:[11, 35, 11] Operation: 29-18=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[11, 35, 11], Operations: ['29-18=11'] Exploring Operation: 11-11=0, Resulting Numbers: [35, 0] Generated Node #0,1,0: 33:[35, 0] Operation: 11-11=0 Exploring Operation: 11/11=1, Resulting Numbers: [35, 1] Generated Node #0,1,1: 33:[35, 1] Operation: 11/11=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 33:[35, 1], Operations: ['29-18=11', '11/11=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 33:[35, 0], Operations: ['29-18=11', '11-11=0'] Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,33 unequal: No Solution Exploring Operation: 35-0=35, Resulting Numbers: [35] 35,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[35, 29, 29], Operations: ['11+18=29'] Exploring Operation: 29-29=0, Resulting Numbers: [35, 0] Generated Node #0,0,0: 33:[35, 0] Operation: 29-29=0 Exploring Operation: 29/29=1, Resulting Numbers: [35, 1] Generated Node #0,0,1: 33:[35, 1] Operation: 29/29=1 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 33:[35, 1], Operations: ['11+18=29', '29/29=1'] Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,33 unequal: No Solution Exploring Operation: 35*1=35, Resulting Numbers: [35] 35,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[35, 0], Operations: ['11+18=29', '29-29=0'] Exploring Operation: 35-0=35, Resulting Numbers: [35] 35,33 unequal: No Solution Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 19, 56, 3, 22 ]
62
[ "56-19=37", "3+22=25", "37+25=62" ]
Current State: 62:[19, 56, 3, 22], Operations: [] Exploring Operation: 56-19=37, Resulting Numbers: [3, 22, 37] Generated Node #2: [3, 22, 37] from Operation: 56-19=37 Current State: 62:[3, 22, 37], Operations: ['56-19=37'] Exploring Operation: 3+22=25, Resulting Numbers: [37, 25] Generated Node #3: [37, 25] from Operation: 3+22=25 Current State: 62:[37, 25], Operations: ['56-19=37', '3+22=25'] Exploring Operation: 37+25=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[19, 56, 3, 22], Operations: [] Exploring Operation: 56-19=37, Resulting Numbers: [3, 22, 37] Generated Node #0,0: 62:[3, 22, 37] Operation: 56-19=37 Exploring Operation: 22-19=3, Resulting Numbers: [56, 3, 3] Generated Node #0,1: 62:[56, 3, 3] Operation: 22-19=3 Exploring Operation: 56-22=34, Resulting Numbers: [19, 3, 34] Generated Node #0,2: 62:[19, 3, 34] Operation: 56-22=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[56, 3, 3], Operations: ['22-19=3'] Exploring Operation: 56+3=59, Resulting Numbers: [3, 59] Generated Node #0,1,0: 62:[3, 59] Operation: 56+3=59 Exploring Operation: 56+3=59, Resulting Numbers: [3, 59] Generated Node #0,1,1: 62:[3, 59] Operation: 56+3=59 Exploring Operation: 3/3=1, Resulting Numbers: [56, 1] Generated Node #0,1,2: 62:[56, 1] Operation: 3/3=1 Moving to Node #0,1,0 Current State: 62:[3, 59], Operations: ['22-19=3', '56+3=59'] Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,62 unequal: No Solution Exploring Operation: 3*59=177, Resulting Numbers: [177] 177,62 unequal: No Solution Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[19, 56, 3, 22], Operations: [] Exploring Operation: 22-19=3, Resulting Numbers: [56, 3, 3] Generated Node #0,1: 62:[56, 3, 3] Operation: 22-19=3 Moving to Node #0,1 Current State: 62:[56, 3, 3], Operations: ['22-19=3'] Exploring Operation: 56+3=59, Resulting Numbers: [3, 59] Generated Node #0,1,0: 62:[3, 59] Operation: 56+3=59 Moving to Node #0,1,0 Current State: 62:[3, 59], Operations: ['22-19=3', '56+3=59'] Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 9, 61, 90, 36 ]
59
[ "9+36=45", "90/45=2", "61-2=59" ]
Current State: 59:[9, 61, 90, 36], Operations: [] Exploring Operation: 9+36=45, Resulting Numbers: [61, 90, 45] Generated Node #2: [61, 90, 45] from Operation: 9+36=45 Current State: 59:[61, 90, 45], Operations: ['9+36=45'] Exploring Operation: 90/45=2, Resulting Numbers: [61, 2] Generated Node #3: [61, 2] from Operation: 90/45=2 Current State: 59:[61, 2], Operations: ['9+36=45', '90/45=2'] Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[9, 61, 90, 36], Operations: [] Exploring Operation: 90-9=81, Resulting Numbers: [61, 36, 81] Generated Node #0,0: 59:[61, 36, 81] Operation: 90-9=81 Moving to Node #0,0 Current State: 59:[61, 36, 81], Operations: ['90-9=81'] Exploring Operation: 81-36=45, Resulting Numbers: [61, 45] Generated Node #0,0,0: 59:[61, 45] Operation: 81-36=45 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[61, 45], Operations: ['90-9=81', '81-36=45'] Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 2, 7, 9, 73 ]
20
[ "7*9=63", "73-63=10", "2*10=20" ]
Current State: 20:[2, 7, 9, 73], Operations: [] Exploring Operation: 7*9=63, Resulting Numbers: [2, 73, 63] Generated Node #2: [2, 73, 63] from Operation: 7*9=63 Current State: 20:[2, 73, 63], Operations: ['7*9=63'] Exploring Operation: 73-63=10, Resulting Numbers: [2, 10] Generated Node #3: [2, 10] from Operation: 73-63=10 Current State: 20:[2, 10], Operations: ['7*9=63', '73-63=10'] Exploring Operation: 2*10=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[2, 7, 9, 73], Operations: [] Exploring Operation: 73-7=66, Resulting Numbers: [2, 9, 66] Generated Node #0,0: 20:[2, 9, 66] Operation: 73-7=66 Exploring Operation: 73-2=71, Resulting Numbers: [7, 9, 71] Generated Node #0,1: 20:[7, 9, 71] Operation: 73-2=71 Exploring Operation: 9-7=2, Resulting Numbers: [2, 73, 2] Generated Node #0,2: 20:[2, 73, 2] Operation: 9-7=2 Exploring Operation: 73-9=64, Resulting Numbers: [2, 7, 64] Generated Node #0,3: 20:[2, 7, 64] Operation: 73-9=64 Exploring Operation: 7-2=5, Resulting Numbers: [9, 73, 5] Generated Node #0,4: 20:[9, 73, 5] Operation: 7-2=5 Moving to Node #0,3 Current State: 20:[2, 7, 64], Operations: ['73-9=64'] Exploring Operation: 64-7=57, Resulting Numbers: [2, 57] Generated Node #0,3,0: 20:[2, 57] Operation: 64-7=57 Exploring Operation: 64-2=62, Resulting Numbers: [7, 62] Generated Node #0,3,1: 20:[7, 62] Operation: 64-2=62 Exploring Operation: 2+7=9, Resulting Numbers: [64, 9] Generated Node #0,3,2: 20:[64, 9] Operation: 2+7=9 Exploring Operation: 64/2=32, Resulting Numbers: [7, 32] Generated Node #0,3,3: 20:[7, 32] Operation: 64/2=32 Exploring Operation: 7-2=5, Resulting Numbers: [64, 5] Generated Node #0,3,4: 20:[64, 5] Operation: 7-2=5 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 20:[7, 32], Operations: ['73-9=64', '64/2=32'] Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,20 unequal: No Solution Exploring Operation: 7*32=224, Resulting Numbers: [224] 224,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 20:[2, 57], Operations: ['73-9=64', '64-7=57'] Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,20 unequal: No Solution Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 20:[7, 62], Operations: ['73-9=64', '64-2=62'] Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 7*62=434, Resulting Numbers: [434] 434,20 unequal: No Solution Exploring Operation: 7+62=69, Resulting Numbers: [69] 69,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 20:[64, 5], Operations: ['73-9=64', '7-2=5'] Exploring Operation: 64+5=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 64*5=320, Resulting Numbers: [320] 320,20 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 20:[64, 9], Operations: ['73-9=64', '2+7=9'] Exploring Operation: 64*9=576, Resulting Numbers: [576] 576,20 unequal: No Solution Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,20 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: 20:[2, 9, 66], Operations: ['73-7=66'] Exploring Operation: 2+9=11, Resulting Numbers: [66, 11] Generated Node #0,0,0: 20:[66, 11] Operation: 2+9=11 Exploring Operation: 66/2=33, Resulting Numbers: [9, 33] Generated Node #0,0,1: 20:[9, 33] Operation: 66/2=33 Exploring Operation: 66-2=64, Resulting Numbers: [9, 64] Generated Node #0,0,2: 20:[9, 64] Operation: 66-2=64 Exploring Operation: 2*9=18, Resulting Numbers: [66, 18] Generated Node #0,0,3: 20:[66, 18] Operation: 2*9=18 Exploring Operation: 66-9=57, Resulting Numbers: [2, 57] Generated Node #0,0,4: 20:[2, 57] Operation: 66-9=57 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[9, 33], Operations: ['73-7=66', '66/2=33'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,20 unequal: No Solution Exploring Operation: 9*33=297, Resulting Numbers: [297] 297,20 unequal: No Solution Exploring Operation: 9+33=42, Resulting Numbers: [42] 42,20 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 #0,0,4 Current State: 20:[2, 57], Operations: ['73-7=66', '66-9=57'] Exploring Operation: 2*57=114, Resulting Numbers: [114] 114,20 unequal: No Solution Exploring Operation: 2+57=59, Resulting Numbers: [59] 59,20 unequal: No Solution Exploring Operation: 57-2=55, Resulting Numbers: [55] 55,20 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 #0,0,2 Current State: 20:[9, 64], Operations: ['73-7=66', '66-2=64'] Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 9+64=73, Resulting Numbers: [73] 73,20 unequal: No Solution Exploring Operation: 9*64=576, Resulting Numbers: [576] 576,20 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 #0,0,0 Current State: 20:[66, 11], Operations: ['73-7=66', '2+9=11'] Exploring Operation: 66*11=726, Resulting Numbers: [726] 726,20 unequal: No Solution Exploring Operation: 66-11=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 66+11=77, Resulting Numbers: [77] 77,20 unequal: No Solution Exploring Operation: 66/11=6, Resulting Numbers: [6] 6,20 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 #0,0,3 Current State: 20:[66, 18], Operations: ['73-7=66', '2*9=18'] Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,20 unequal: No Solution Exploring Operation: 66*18=1188, Resulting Numbers: [1188] 1188,20 unequal: No Solution Exploring Operation: 66+18=84, Resulting Numbers: [84] 84,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 20:[2, 73, 2], Operations: ['9-7=2'] Exploring Operation: 2/2=1, Resulting Numbers: [73, 1] Generated Node #0,2,0: 20:[73, 1] Operation: 2/2=1 Exploring Operation: 73-2=71, Resulting Numbers: [2, 71] Generated Node #0,2,1: 20:[2, 71] Operation: 73-2=71 Exploring Operation: 2+2=4, Resulting Numbers: [73, 4] Generated Node #0,2,2: 20:[73, 4] Operation: 2+2=4 Exploring Operation: 73-2=71, Resulting Numbers: [2, 71] Generated Node #0,2,3: 20:[2, 71] Operation: 73-2=71 Exploring Operation: 2*2=4, Resulting Numbers: [73, 4] Generated Node #0,2,4: 20:[73, 4] Operation: 2*2=4 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 20:[2, 71], Operations: ['9-7=2', '73-2=71'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 2+71=73, Resulting Numbers: [73] 73,20 unequal: No Solution Exploring Operation: 2*71=142, Resulting Numbers: [142] 142,20 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 #0,2,3 Current State: 20:[2, 71], Operations: ['9-7=2', '73-2=71'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 2*71=142, Resulting Numbers: [142] 142,20 unequal: No Solution Exploring Operation: 2+71=73, Resulting Numbers: [73] 73,20 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 #0,2,2 Current State: 20:[73, 4], Operations: ['9-7=2', '2+2=4'] Exploring Operation: 73*4=292, Resulting Numbers: [292] 292,20 unequal: No Solution Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,20 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,20 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 #0,2,4 Current State: 20:[73, 4], Operations: ['9-7=2', '2*2=4'] Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,20 unequal: No Solution Exploring Operation: 73*4=292, Resulting Numbers: [292] 292,20 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,20 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 #0,2,0 Current State: 20:[73, 1], Operations: ['9-7=2', '2/2=1'] Exploring Operation: 73+1=74, Resulting Numbers: [74] 74,20 unequal: No Solution Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,20 unequal: No Solution Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,20 unequal: No Solution Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,20 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: 20:[7, 9, 71], Operations: ['73-2=71'] Exploring Operation: 7+9=16, Resulting Numbers: [71, 16] Generated Node #0,1,0: 20:[71, 16] Operation: 7+9=16 Exploring Operation: 7+71=78, Resulting Numbers: [9, 78] Generated Node #0,1,1: 20:[9, 78] Operation: 7+71=78 Exploring Operation: 71-7=64, Resulting Numbers: [9, 64] Generated Node #0,1,2: 20:[9, 64] Operation: 71-7=64 Exploring Operation: 9-7=2, Resulting Numbers: [71, 2] Generated Node #0,1,3: 20:[71, 2] Operation: 9-7=2 Exploring Operation: 71-9=62, Resulting Numbers: [7, 62] Generated Node #0,1,4: 20:[7, 62] Operation: 71-9=62 Moving to Node #0,4 Current State: 20:[9, 73, 5], Operations: ['7-2=5'] Exploring Operation: 73-9=64, Resulting Numbers: [5, 64] Generated Node #0,4,0: 20:[5, 64] Operation: 73-9=64 Exploring Operation: 9-5=4, Resulting Numbers: [73, 4] Generated Node #0,4,1: 20:[73, 4] Operation: 9-5=4 Exploring Operation: 9+5=14, Resulting Numbers: [73, 14] Generated Node #0,4,2: 20:[73, 14] Operation: 9+5=14 Exploring Operation: 73+5=78, Resulting Numbers: [9, 78] Generated Node #0,4,3: 20:[9, 78] Operation: 73+5=78 Exploring Operation: 73-5=68, Resulting Numbers: [9, 68] Generated Node #0,4,4: 20:[9, 68] Operation: 73-5=68 Moving to Node #0,1,4 Current State: 20:[7, 62], Operations: ['73-2=71', '71-9=62'] Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 7*62=434, Resulting Numbers: [434] 434,20 unequal: No Solution Exploring Operation: 7+62=69, Resulting Numbers: [69] 69,20 unequal: No Solution Moving to Node #0,4,0 Current State: 20:[5, 64], Operations: ['7-2=5', '73-9=64'] Exploring Operation: 5*64=320, Resulting Numbers: [320] 320,20 unequal: No Solution Exploring Operation: 5+64=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[9, 64], Operations: ['73-2=71', '71-7=64'] Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 9+64=73, Resulting Numbers: [73] 73,20 unequal: No Solution Exploring Operation: 9*64=576, Resulting Numbers: [576] 576,20 unequal: No Solution Moving to Node #0,4,4 Current State: 20:[9, 68], Operations: ['7-2=5', '73-5=68'] Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,20 unequal: No Solution Exploring Operation: 9+68=77, Resulting Numbers: [77] 77,20 unequal: No Solution Exploring Operation: 9*68=612, Resulting Numbers: [612] 612,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[71, 2], Operations: ['73-2=71', '9-7=2'] Exploring Operation: 71*2=142, Resulting Numbers: [142] 142,20 unequal: No Solution Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,20 unequal: No Solution Moving to Node #0,4,1 Current State: 20:[73, 4], Operations: ['7-2=5', '9-5=4'] Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 73*4=292, Resulting Numbers: [292] 292,20 unequal: No Solution Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[71, 16], Operations: ['73-2=71', '7+9=16'] Exploring Operation: 71-16=55, Resulting Numbers: [55] 55,20 unequal: No Solution Exploring Operation: 71+16=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 71*16=1136, Resulting Numbers: [1136] 1136,20 unequal: No Solution Moving to Node #0,4,2 Current State: 20:[73, 14], Operations: ['7-2=5', '9+5=14'] Exploring Operation: 73+14=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,20 unequal: No Solution Exploring Operation: 73*14=1022, Resulting Numbers: [1022] 1022,20 unequal: No Solution Moving to Node #0,4,3 Current State: 20:[9, 78], Operations: ['7-2=5', '73+5=78'] Exploring Operation: 9*78=702, Resulting Numbers: [702] 702,20 unequal: No Solution Exploring Operation: 9+78=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[9, 78], Operations: ['73-2=71', '7+71=78'] Exploring Operation: 9+78=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 9*78=702, Resulting Numbers: [702] 702,20 unequal: No Solution Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,20 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 66, 26, 12, 1 ]
20
[ "12-1=11", "66/11=6", "26-6=20" ]
Current State: 20:[66, 26, 12, 1], Operations: [] Exploring Operation: 12-1=11, Resulting Numbers: [66, 26, 11] Generated Node #2: [66, 26, 11] from Operation: 12-1=11 Current State: 20:[66, 26, 11], Operations: ['12-1=11'] Exploring Operation: 66/11=6, Resulting Numbers: [26, 6] Generated Node #3: [26, 6] from Operation: 66/11=6 Current State: 20:[26, 6], Operations: ['12-1=11', '66/11=6'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[66, 26, 12, 1], Operations: [] Exploring Operation: 66-26=40, Resulting Numbers: [12, 1, 40] Generated Node #0,0: 20:[12, 1, 40] Operation: 66-26=40 Exploring Operation: 66-12=54, Resulting Numbers: [26, 1, 54] Generated Node #0,1: 20:[26, 1, 54] Operation: 66-12=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[12, 1, 40], Operations: ['66-26=40'] Exploring Operation: 12-1=11, Resulting Numbers: [40, 11] Generated Node #0,0,0: 20:[40, 11] Operation: 12-1=11 Exploring Operation: 40-12=28, Resulting Numbers: [1, 28] Generated Node #0,0,1: 20:[1, 28] Operation: 40-12=28 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[1, 28], Operations: ['66-26=40', '40-12=28'] Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,20 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[40, 11], Operations: ['66-26=40', '12-1=11'] Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,20 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[26, 1, 54], Operations: ['66-12=54'] Exploring Operation: 54-26=28, Resulting Numbers: [1, 28] Generated Node #0,1,0: 20:[1, 28] Operation: 54-26=28 Exploring Operation: 26-1=25, Resulting Numbers: [54, 25] Generated Node #0,1,1: 20:[54, 25] Operation: 26-1=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 20:[1, 28], Operations: ['66-12=54', '54-26=28'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,20 unequal: No Solution Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[54, 25], Operations: ['66-12=54', '26-1=25'] Exploring Operation: 54-25=29, Resulting Numbers: [29] 29,20 unequal: No Solution Exploring Operation: 54+25=79, Resulting Numbers: [79] 79,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 92, 6, 1, 38 ]
98
[ "6-1=5", "38*5=190", "190-92=98" ]
Current State: 98:[92, 6, 1, 38], Operations: [] Exploring Operation: 6-1=5, Resulting Numbers: [92, 38, 5] Generated Node #2: [92, 38, 5] from Operation: 6-1=5 Current State: 98:[92, 38, 5], Operations: ['6-1=5'] Exploring Operation: 38*5=190, Resulting Numbers: [92, 190] Generated Node #3: [92, 190] from Operation: 38*5=190 Current State: 98:[92, 190], Operations: ['6-1=5', '38*5=190'] Exploring Operation: 190-92=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[92, 6, 1, 38], Operations: [] Exploring Operation: 6+38=44, Resulting Numbers: [92, 1, 44] Generated Node #0,0: 98:[92, 1, 44] Operation: 6+38=44 Exploring Operation: 92+6=98, Resulting Numbers: [1, 38, 98] Generated Node #0,1: 98:[1, 38, 98] Operation: 92+6=98 Exploring Operation: 92-38=54, Resulting Numbers: [6, 1, 54] Generated Node #0,2: 98:[6, 1, 54] Operation: 92-38=54 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[6, 1, 54], Operations: ['92-38=54'] Exploring Operation: 54-6=48, Resulting Numbers: [1, 48] Generated Node #0,2,0: 98:[1, 48] Operation: 54-6=48 Exploring Operation: 54/6=9, Resulting Numbers: [1, 9] Generated Node #0,2,1: 98:[1, 9] Operation: 54/6=9 Exploring Operation: 6+1=7, Resulting Numbers: [54, 7] Generated Node #0,2,2: 98:[54, 7] Operation: 6+1=7 Moving to Node #0,2,0 Current State: 98:[1, 48], Operations: ['92-38=54', '54-6=48'] Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 1*48=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[1, 9], Operations: ['92-38=54', '54/6=9'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[54, 7], Operations: ['92-38=54', '6+1=7'] Exploring Operation: 54*7=378, Resulting Numbers: [378] 378,98 unequal: No Solution Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[92, 1, 44], Operations: ['6+38=44'] Exploring Operation: 92+1=93, Resulting Numbers: [44, 93] Generated Node #0,0,0: 98:[44, 93] Operation: 92+1=93 Exploring Operation: 92-44=48, Resulting Numbers: [1, 48] Generated Node #0,0,1: 98:[1, 48] Operation: 92-44=48 Exploring Operation: 1+44=45, Resulting Numbers: [92, 45] Generated Node #0,0,2: 98:[92, 45] Operation: 1+44=45 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[1, 48], Operations: ['6+38=44', '92-44=48'] Exploring Operation: 1*48=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 1+48=49, Resulting Numbers: [49] 49,98 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[44, 93], Operations: ['6+38=44', '92+1=93'] Exploring Operation: 44+93=137, Resulting Numbers: [137] 137,98 unequal: No Solution Exploring Operation: 44*93=4092, Resulting Numbers: [4092] 4092,98 unequal: No Solution Exploring Operation: 93-44=49, Resulting Numbers: [49] 49,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 98:[92, 45], Operations: ['6+38=44', '1+44=45'] Exploring Operation: 92+45=137, Resulting Numbers: [137] 137,98 unequal: No Solution Exploring Operation: 92-45=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 92*45=4140, Resulting Numbers: [4140] 4140,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[1, 38, 98], Operations: ['92+6=98'] Exploring Operation: 1*38=38, Resulting Numbers: [98, 38] Generated Node #0,1,0: 98:[98, 38] Operation: 1*38=38 Exploring Operation: 38/1=38, Resulting Numbers: [98, 38] Generated Node #0,1,1: 98:[98, 38] Operation: 38/1=38 Exploring Operation: 1+38=39, Resulting Numbers: [98, 39] Generated Node #0,1,2: 98:[98, 39] Operation: 1+38=39 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[98, 39], Operations: ['92+6=98', '1+38=39'] Exploring Operation: 98+39=137, Resulting Numbers: [137] 137,98 unequal: No Solution Exploring Operation: 98*39=3822, Resulting Numbers: [3822] 3822,98 unequal: No Solution Exploring Operation: 98-39=59, Resulting Numbers: [59] 59,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[98, 38], Operations: ['92+6=98', '1*38=38'] Exploring Operation: 98*38=3724, Resulting Numbers: [3724] 3724,98 unequal: No Solution Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,98 unequal: No Solution Exploring Operation: 98+38=136, Resulting Numbers: [136] 136,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[98, 38], Operations: ['92+6=98', '38/1=38'] Exploring Operation: 98*38=3724, Resulting Numbers: [3724] 3724,98 unequal: No Solution Exploring Operation: 98+38=136, Resulting Numbers: [136] 136,98 unequal: No Solution Exploring Operation: 98-38=60, Resulting Numbers: [60] 60,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 34, 26, 13, 89 ]
84
[ "34-26=8", "89-13=76", "8+76=84" ]
Current State: 84:[34, 26, 13, 89], Operations: [] Exploring Operation: 34-26=8, Resulting Numbers: [13, 89, 8] Generated Node #2: [13, 89, 8] from Operation: 34-26=8 Current State: 84:[13, 89, 8], Operations: ['34-26=8'] Exploring Operation: 89-13=76, Resulting Numbers: [8, 76] Generated Node #3: [8, 76] from Operation: 89-13=76 Current State: 84:[8, 76], Operations: ['34-26=8', '89-13=76'] Exploring Operation: 8+76=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[34, 26, 13, 89], Operations: [] Exploring Operation: 34-13=21, Resulting Numbers: [26, 89, 21] Generated Node #0,0: 84:[26, 89, 21] Operation: 34-13=21 Exploring Operation: 26-13=13, Resulting Numbers: [34, 89, 13] Generated Node #0,1: 84:[34, 89, 13] Operation: 26-13=13 Exploring Operation: 26/13=2, Resulting Numbers: [34, 89, 2] Generated Node #0,2: 84:[34, 89, 2] Operation: 26/13=2 Exploring Operation: 34+13=47, Resulting Numbers: [26, 89, 47] Generated Node #0,3: 84:[26, 89, 47] Operation: 34+13=47 Exploring Operation: 34-26=8, Resulting Numbers: [13, 89, 8] Generated Node #0,4: 84:[13, 89, 8] Operation: 34-26=8 Moving to Node #0,0 Current State: 84:[26, 89, 21], Operations: ['34-13=21'] Exploring Operation: 89-26=63, Resulting Numbers: [21, 63] Generated Node #0,0,0: 84:[21, 63] Operation: 89-26=63 Exploring Operation: 89+21=110, Resulting Numbers: [26, 110] Generated Node #0,0,1: 84:[26, 110] Operation: 89+21=110 Exploring Operation: 26-21=5, Resulting Numbers: [89, 5] Generated Node #0,0,2: 84:[89, 5] Operation: 26-21=5 Exploring Operation: 89-21=68, Resulting Numbers: [26, 68] Generated Node #0,0,3: 84:[26, 68] Operation: 89-21=68 Exploring Operation: 26+21=47, Resulting Numbers: [89, 47] Generated Node #0,0,4: 84:[89, 47] Operation: 26+21=47 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[89, 5], Operations: ['34-13=21', '26-21=5'] Exploring Operation: 89+5=94, Resulting Numbers: [94] 94,84 unequal: No Solution Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[34, 26, 13, 89], Operations: [] Exploring Operation: 34-13=21, Resulting Numbers: [26, 89, 21] Generated Node #0,0: 84:[26, 89, 21] Operation: 34-13=21 Moving to Node #0,0 Current State: 84:[26, 89, 21], Operations: ['34-13=21'] Exploring Operation: 26-21=5, Resulting Numbers: [89, 5] Generated Node #0,0,2: 84:[89, 5] Operation: 26-21=5 Moving to Node #0,0,2 Current State: 84:[89, 5], Operations: ['34-13=21', '26-21=5'] Exploring Operation: 89-5=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 67, 54, 55, 5 ]
72
[ "67+5=72", "55-54=1", "72*1=72" ]
Current State: 72:[67, 54, 55, 5], Operations: [] Exploring Operation: 67+5=72, Resulting Numbers: [54, 55, 72] Generated Node #2: [54, 55, 72] from Operation: 67+5=72 Current State: 72:[54, 55, 72], Operations: ['67+5=72'] Exploring Operation: 55-54=1, Resulting Numbers: [72, 1] Generated Node #3: [72, 1] from Operation: 55-54=1 Current State: 72:[72, 1], Operations: ['67+5=72', '55-54=1'] Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[67, 54, 55, 5], Operations: [] Exploring Operation: 67+5=72, Resulting Numbers: [54, 55, 72] Generated Node #0,0: 72:[54, 55, 72] Operation: 67+5=72 Exploring Operation: 67-54=13, Resulting Numbers: [55, 5, 13] Generated Node #0,1: 72:[55, 5, 13] Operation: 67-54=13 Exploring Operation: 67-55=12, Resulting Numbers: [54, 5, 12] Generated Node #0,2: 72:[54, 5, 12] Operation: 67-55=12 Exploring Operation: 55/5=11, Resulting Numbers: [67, 54, 11] Generated Node #0,3: 72:[67, 54, 11] Operation: 55/5=11 Exploring Operation: 55-54=1, Resulting Numbers: [67, 5, 1] Generated Node #0,4: 72:[67, 5, 1] Operation: 55-54=1 Start Sub Search at level 1: Moving to Node #0,4 Current State: 72:[67, 5, 1], Operations: ['55-54=1'] Exploring Operation: 5-1=4, Resulting Numbers: [67, 4] Generated Node #0,4,0: 72:[67, 4] Operation: 5-1=4 Exploring Operation: 5+1=6, Resulting Numbers: [67, 6] Generated Node #0,4,1: 72:[67, 6] Operation: 5+1=6 Exploring Operation: 67+1=68, Resulting Numbers: [5, 68] Generated Node #0,4,2: 72:[5, 68] Operation: 67+1=68 Exploring Operation: 67*1=67, Resulting Numbers: [5, 67] Generated Node #0,4,3: 72:[5, 67] Operation: 67*1=67 Exploring Operation: 67+5=72, Resulting Numbers: [1, 72] Generated Node #0,4,4: 72:[1, 72] Operation: 67+5=72 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 72:[1, 72], Operations: ['55-54=1', '67+5=72'] Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,72 unequal: No Solution Exploring Operation: 1+72=73, Resulting Numbers: [73] 73,72 unequal: No Solution Exploring Operation: 1*72=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[67, 54, 55, 5], Operations: [] Exploring Operation: 55-54=1, Resulting Numbers: [67, 5, 1] Generated Node #0,4: 72:[67, 5, 1] Operation: 55-54=1 Moving to Node #0,4 Current State: 72:[67, 5, 1], Operations: ['55-54=1'] Exploring Operation: 67+5=72, Resulting Numbers: [1, 72] Generated Node #0,4,4: 72:[1, 72] Operation: 67+5=72 Moving to Node #0,4,4 Current State: 72:[1, 72], Operations: ['55-54=1', '67+5=72'] Exploring Operation: 1*72=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 64, 70, 14, 40 ]
29
[ "64-40=24", "70/14=5", "24+5=29" ]
Current State: 29:[64, 70, 14, 40], Operations: [] Exploring Operation: 64-40=24, Resulting Numbers: [70, 14, 24] Generated Node #2: [70, 14, 24] from Operation: 64-40=24 Current State: 29:[70, 14, 24], Operations: ['64-40=24'] Exploring Operation: 70/14=5, Resulting Numbers: [24, 5] Generated Node #3: [24, 5] from Operation: 70/14=5 Current State: 29:[24, 5], Operations: ['64-40=24', '70/14=5'] Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[64, 70, 14, 40], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [14, 40, 6] Generated Node #0,0: 29:[14, 40, 6] Operation: 70-64=6 Moving to Node #0,0 Current State: 29:[14, 40, 6], Operations: ['70-64=6'] Exploring Operation: 14+6=20, Resulting Numbers: [40, 20] Generated Node #0,0,0: 29:[40, 20] Operation: 14+6=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 29:[40, 20], Operations: ['70-64=6', '14+6=20'] Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,29 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
[ 3, 58, 2, 62 ]
57
[ "62-3=59", "58*2=116", "116-59=57" ]
Current State: 57:[3, 58, 2, 62], Operations: [] Exploring Operation: 62-3=59, Resulting Numbers: [58, 2, 59] Generated Node #2: [58, 2, 59] from Operation: 62-3=59 Current State: 57:[58, 2, 59], Operations: ['62-3=59'] Exploring Operation: 58*2=116, Resulting Numbers: [59, 116] Generated Node #3: [59, 116] from Operation: 58*2=116 Current State: 57:[59, 116], Operations: ['62-3=59', '58*2=116'] Exploring Operation: 116-59=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[3, 58, 2, 62], Operations: [] Exploring Operation: 62-58=4, Resulting Numbers: [3, 2, 4] Generated Node #0,0: 57:[3, 2, 4] Operation: 62-58=4 Moving to Node #0,0 Current State: 57:[3, 2, 4], Operations: ['62-58=4'] Exploring Operation: 4-2=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 57:[3, 2] Operation: 4-2=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 57:[3, 2], Operations: ['62-58=4', '4-2=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,57 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
[ 2, 35, 14, 10 ]
18
[ "14/2=7", "35-10=25", "25-7=18" ]
Current State: 18:[2, 35, 14, 10], Operations: [] Exploring Operation: 14/2=7, Resulting Numbers: [35, 10, 7] Generated Node #2: [35, 10, 7] from Operation: 14/2=7 Current State: 18:[35, 10, 7], Operations: ['14/2=7'] Exploring Operation: 35-10=25, Resulting Numbers: [7, 25] Generated Node #3: [7, 25] from Operation: 35-10=25 Current State: 18:[7, 25], Operations: ['14/2=7', '35-10=25'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[2, 35, 14, 10], Operations: [] Exploring Operation: 35-10=25, Resulting Numbers: [2, 14, 25] Generated Node #0,0: 18:[2, 14, 25] Operation: 35-10=25 Exploring Operation: 14-10=4, Resulting Numbers: [2, 35, 4] Generated Node #0,1: 18:[2, 35, 4] Operation: 14-10=4 Exploring Operation: 35-14=21, Resulting Numbers: [2, 10, 21] Generated Node #0,2: 18:[2, 10, 21] Operation: 35-14=21 Moving to Node #0,2 Current State: 18:[2, 10, 21], Operations: ['35-14=21'] Exploring Operation: 21-10=11, Resulting Numbers: [2, 11] Generated Node #0,2,0: 18:[2, 11] Operation: 21-10=11 Exploring Operation: 10-2=8, Resulting Numbers: [21, 8] Generated Node #0,2,1: 18:[21, 8] Operation: 10-2=8 Exploring Operation: 21-2=19, Resulting Numbers: [10, 19] Generated Node #0,2,2: 18:[10, 19] Operation: 21-2=19 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 18:[2, 11], Operations: ['35-14=21', '21-10=11'] Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,18 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,18 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 #0,2,2 Current State: 18:[10, 19], Operations: ['35-14=21', '21-2=19'] Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,18 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,18 unequal: No Solution Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,18 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 #0,2,1 Current State: 18:[21, 8], Operations: ['35-14=21', '10-2=8'] Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,18 unequal: No Solution Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,18 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,18 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: 18:[2, 14, 25], Operations: ['35-10=25'] Exploring Operation: 14/2=7, Resulting Numbers: [25, 7] Generated Node #0,0,0: 18:[25, 7] Operation: 14/2=7 Exploring Operation: 25-14=11, Resulting Numbers: [2, 11] Generated Node #0,0,1: 18:[2, 11] Operation: 25-14=11 Exploring Operation: 2+14=16, Resulting Numbers: [25, 16] Generated Node #0,0,2: 18:[25, 16] Operation: 2+14=16 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[2, 11], Operations: ['35-10=25', '25-14=11'] Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,18 unequal: No Solution Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,18 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,18 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 #0,0,0 Current State: 18:[25, 7], Operations: ['35-10=25', '14/2=7'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[2, 35, 14, 10], Operations: [] Exploring Operation: 35-10=25, Resulting Numbers: [2, 14, 25] Generated Node #0,0: 18:[2, 14, 25] Operation: 35-10=25 Moving to Node #0,0 Current State: 18:[2, 14, 25], Operations: ['35-10=25'] Exploring Operation: 14/2=7, Resulting Numbers: [25, 7] Generated Node #0,0,0: 18:[25, 7] Operation: 14/2=7 Moving to Node #0,0,0 Current State: 18:[25, 7], Operations: ['35-10=25', '14/2=7'] Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 30, 22, 20, 11 ]
49
[ "22-20=2", "30*2=60", "60-11=49" ]
Current State: 49:[30, 22, 20, 11], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [30, 11, 2] Generated Node #2: [30, 11, 2] from Operation: 22-20=2 Current State: 49:[30, 11, 2], Operations: ['22-20=2'] Exploring Operation: 30*2=60, Resulting Numbers: [11, 60] Generated Node #3: [11, 60] from Operation: 30*2=60 Current State: 49:[11, 60], Operations: ['22-20=2', '30*2=60'] Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[30, 22, 20, 11], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [30, 11, 2] Generated Node #0,0: 49:[30, 11, 2] Operation: 22-20=2 Exploring Operation: 30-20=10, Resulting Numbers: [22, 11, 10] Generated Node #0,1: 49:[22, 11, 10] Operation: 30-20=10 Exploring Operation: 30-22=8, Resulting Numbers: [20, 11, 8] Generated Node #0,2: 49:[20, 11, 8] Operation: 30-22=8 Exploring Operation: 30+20=50, Resulting Numbers: [22, 11, 50] Generated Node #0,3: 49:[22, 11, 50] Operation: 30+20=50 Exploring Operation: 30+22=52, Resulting Numbers: [20, 11, 52] Generated Node #0,4: 49:[20, 11, 52] Operation: 30+22=52 Moving to Node #0,2 Current State: 49:[20, 11, 8], Operations: ['30-22=8'] Exploring Operation: 20-8=12, Resulting Numbers: [11, 12] Generated Node #0,2,0: 49:[11, 12] Operation: 20-8=12 Exploring Operation: 11-8=3, Resulting Numbers: [20, 3] Generated Node #0,2,1: 49:[20, 3] Operation: 11-8=3 Exploring Operation: 20+8=28, Resulting Numbers: [11, 28] Generated Node #0,2,2: 49:[11, 28] Operation: 20+8=28 Exploring Operation: 20+11=31, Resulting Numbers: [8, 31] Generated Node #0,2,3: 49:[8, 31] Operation: 20+11=31 Exploring Operation: 20-11=9, Resulting Numbers: [8, 9] Generated Node #0,2,4: 49:[8, 9] Operation: 20-11=9 Moving to Node #0,4 Current State: 49:[20, 11, 52], Operations: ['30+22=52'] Exploring Operation: 20-11=9, Resulting Numbers: [52, 9] Generated Node #0,4,0: 49:[52, 9] Operation: 20-11=9 Exploring Operation: 20+52=72, Resulting Numbers: [11, 72] Generated Node #0,4,1: 49:[11, 72] Operation: 20+52=72 Exploring Operation: 20+11=31, Resulting Numbers: [52, 31] Generated Node #0,4,2: 49:[52, 31] Operation: 20+11=31 Exploring Operation: 52-20=32, Resulting Numbers: [11, 32] Generated Node #0,4,3: 49:[11, 32] Operation: 52-20=32 Exploring Operation: 52-11=41, Resulting Numbers: [20, 41] Generated Node #0,4,4: 49:[20, 41] Operation: 52-11=41 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 49:[52, 9], Operations: ['30+22=52', '20-11=9'] Exploring Operation: 52-9=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 52*9=468, Resulting Numbers: [468] 468,49 unequal: No Solution Exploring Operation: 52+9=61, Resulting Numbers: [61] 61,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 49:[52, 31], Operations: ['30+22=52', '20+11=31'] Exploring Operation: 52-31=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 52*31=1612, Resulting Numbers: [1612] 1612,49 unequal: No Solution Exploring Operation: 52+31=83, Resulting Numbers: [83] 83,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 49:[11, 32], Operations: ['30+22=52', '52-20=32'] Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 11*32=352, Resulting Numbers: [352] 352,49 unequal: No Solution Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 49:[20, 41], Operations: ['30+22=52', '52-11=41'] Exploring Operation: 20+41=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 20*41=820, Resulting Numbers: [820] 820,49 unequal: No Solution Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 49:[11, 72], Operations: ['30+22=52', '20+52=72'] Exploring Operation: 11+72=83, Resulting Numbers: [83] 83,49 unequal: No Solution Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 11*72=792, Resulting Numbers: [792] 792,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 49:[22, 11, 50], Operations: ['30+20=50'] Exploring Operation: 22+11=33, Resulting Numbers: [50, 33] Generated Node #0,3,0: 49:[50, 33] Operation: 22+11=33 Exploring Operation: 50-22=28, Resulting Numbers: [11, 28] Generated Node #0,3,1: 49:[11, 28] Operation: 50-22=28 Exploring Operation: 22-11=11, Resulting Numbers: [50, 11] Generated Node #0,3,2: 49:[50, 11] Operation: 22-11=11 Exploring Operation: 50-11=39, Resulting Numbers: [22, 39] Generated Node #0,3,3: 49:[22, 39] Operation: 50-11=39 Exploring Operation: 22/11=2, Resulting Numbers: [50, 2] Generated Node #0,3,4: 49:[50, 2] Operation: 22/11=2 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 49:[50, 11], Operations: ['30+20=50', '22-11=11'] Exploring Operation: 50*11=550, Resulting Numbers: [550] 550,49 unequal: No Solution Exploring Operation: 50+11=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 49:[50, 2], Operations: ['30+20=50', '22/11=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,49 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,49 unequal: No Solution Exploring Operation: 50+2=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 50*2=100, Resulting Numbers: [100] 100,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 49:[50, 33], Operations: ['30+20=50', '22+11=33'] Exploring Operation: 50-33=17, Resulting Numbers: [17] 17,49 unequal: No Solution Exploring Operation: 50*33=1650, Resulting Numbers: [1650] 1650,49 unequal: No Solution Exploring Operation: 50+33=83, Resulting Numbers: [83] 83,49 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 #0,3,1 Current State: 49:[11, 28], Operations: ['30+20=50', '50-22=28'] Exploring Operation: 11+28=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 11*28=308, Resulting Numbers: [308] 308,49 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 49:[22, 39], Operations: ['30+20=50', '50-11=39'] Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,49 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,49 unequal: No Solution Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 49:[22, 11, 10], Operations: ['30-20=10'] Exploring Operation: 22+10=32, Resulting Numbers: [11, 32] Generated Node #0,1,0: 49:[11, 32] Operation: 22+10=32 Exploring Operation: 22+11=33, Resulting Numbers: [10, 33] Generated Node #0,1,1: 49:[10, 33] Operation: 22+11=33 Exploring Operation: 22/11=2, Resulting Numbers: [10, 2] Generated Node #0,1,2: 49:[10, 2] Operation: 22/11=2 Exploring Operation: 22-10=12, Resulting Numbers: [11, 12] Generated Node #0,1,3: 49:[11, 12] Operation: 22-10=12 Exploring Operation: 22-11=11, Resulting Numbers: [10, 11] Generated Node #0,1,4: 49:[10, 11] Operation: 22-11=11 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 49:[10, 11], Operations: ['30-20=10', '22-11=11'] Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,49 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[10, 2], Operations: ['30-20=10', '22/11=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 10*2=20, Resulting Numbers: [20] 20,49 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,49 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 49:[11, 12], Operations: ['30-20=10', '22-10=12'] Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,49 unequal: No Solution Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[10, 33], Operations: ['30-20=10', '22+11=33'] Exploring Operation: 33-10=23, Resulting Numbers: [23] 23,49 unequal: No Solution Exploring Operation: 10+33=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 10*33=330, Resulting Numbers: [330] 330,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[11, 32], Operations: ['30-20=10', '22+10=32'] Exploring Operation: 11*32=352, Resulting Numbers: [352] 352,49 unequal: No Solution Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,49 unequal: No Solution Exploring Operation: 11+32=43, Resulting Numbers: [43] 43,49 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: 49:[30, 11, 2], Operations: ['22-20=2'] Exploring Operation: 30+2=32, Resulting Numbers: [11, 32] Generated Node #0,0,0: 49:[11, 32] Operation: 30+2=32 Exploring Operation: 30-11=19, Resulting Numbers: [2, 19] Generated Node #0,0,1: 49:[2, 19] Operation: 30-11=19 Exploring Operation: 30+11=41, Resulting Numbers: [2, 41] Generated Node #0,0,2: 49:[2, 41] Operation: 30+11=41 Exploring Operation: 30/2=15, Resulting Numbers: [11, 15] Generated Node #0,0,3: 49:[11, 15] Operation: 30/2=15 Exploring Operation: 30*2=60, Resulting Numbers: [11, 60] Generated Node #0,0,4: 49:[11, 60] Operation: 30*2=60 Moving to Node #0,2,4 Current State: 49:[8, 9], Operations: ['30-22=8', '20-11=9'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,49 unequal: No Solution Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[11, 12], Operations: ['30-22=8', '20-8=12'] Exploring Operation: 11*12=132, Resulting Numbers: [132] 132,49 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,49 unequal: No Solution Exploring Operation: 11+12=23, Resulting Numbers: [23] 23,49 unequal: No Solution Moving to Node #0,0,3 Current State: 49:[11, 15], Operations: ['22-20=2', '30/2=15'] Exploring Operation: 11*15=165, Resulting Numbers: [165] 165,49 unequal: No Solution Exploring Operation: 11+15=26, Resulting Numbers: [26] 26,49 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[2, 41], Operations: ['22-20=2', '30+11=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,49 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,49 unequal: No Solution Moving to Node #0,0,4 Current State: 49:[11, 60], Operations: ['22-20=2', '30*2=60'] Exploring Operation: 11*60=660, Resulting Numbers: [660] 660,49 unequal: No Solution Exploring Operation: 11+60=71, Resulting Numbers: [71] 71,49 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[30, 22, 20, 11], Operations: [] Exploring Operation: 22-20=2, Resulting Numbers: [30, 11, 2] Generated Node #0,0: 49:[30, 11, 2] Operation: 22-20=2 Moving to Node #0,0 Current State: 49:[30, 11, 2], Operations: ['22-20=2'] Exploring Operation: 30*2=60, Resulting Numbers: [11, 60] Generated Node #0,0,4: 49:[11, 60] Operation: 30*2=60 Moving to Node #0,0,4 Current State: 49:[11, 60], Operations: ['22-20=2', '30*2=60'] Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.916667
hs_5
sum_heuristic
[ 22, 25, 51, 84 ]
99
[ "25-22=3", "84-51=33", "3*33=99" ]
Current State: 99:[22, 25, 51, 84], Operations: [] Exploring Operation: 25-22=3, Resulting Numbers: [51, 84, 3] Generated Node #2: [51, 84, 3] from Operation: 25-22=3 Current State: 99:[51, 84, 3], Operations: ['25-22=3'] Exploring Operation: 84-51=33, Resulting Numbers: [3, 33] Generated Node #3: [3, 33] from Operation: 84-51=33 Current State: 99:[3, 33], Operations: ['25-22=3', '84-51=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[22, 25, 51, 84], Operations: [] Exploring Operation: 25-22=3, Resulting Numbers: [51, 84, 3] Generated Node #0,0: 99:[51, 84, 3] Operation: 25-22=3 Exploring Operation: 51-22=29, Resulting Numbers: [25, 84, 29] Generated Node #0,1: 99:[25, 84, 29] Operation: 51-22=29 Exploring Operation: 84-51=33, Resulting Numbers: [22, 25, 33] Generated Node #0,2: 99:[22, 25, 33] Operation: 84-51=33 Start Sub Search at level 1: Moving to Node #0,2 Current State: 99:[22, 25, 33], Operations: ['84-51=33'] Exploring Operation: 33-25=8, Resulting Numbers: [22, 8] Generated Node #0,2,0: 99:[22, 8] Operation: 33-25=8 Exploring Operation: 33-22=11, Resulting Numbers: [25, 11] Generated Node #0,2,1: 99:[25, 11] Operation: 33-22=11 Exploring Operation: 25-22=3, Resulting Numbers: [33, 3] Generated Node #0,2,2: 99:[33, 3] Operation: 25-22=3 Moving to Node #0,2,2 Current State: 99:[33, 3], Operations: ['84-51=33', '25-22=3'] Exploring Operation: 33+3=36, Resulting Numbers: [36] 36,99 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,99 unequal: No Solution Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[22, 25, 51, 84], Operations: [] Exploring Operation: 84-51=33, Resulting Numbers: [22, 25, 33] Generated Node #0,2: 99:[22, 25, 33] Operation: 84-51=33 Moving to Node #0,2 Current State: 99:[22, 25, 33], Operations: ['84-51=33'] Exploring Operation: 25-22=3, Resulting Numbers: [33, 3] Generated Node #0,2,2: 99:[33, 3] Operation: 25-22=3 Moving to Node #0,2,2 Current State: 99:[33, 3], Operations: ['84-51=33', '25-22=3'] Exploring Operation: 33*3=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 43, 71, 61, 12 ]
41
[ "43+71=114", "61+12=73", "114-73=41" ]
Current State: 41:[43, 71, 61, 12], Operations: [] Exploring Operation: 43+71=114, Resulting Numbers: [61, 12, 114] Generated Node #2: [61, 12, 114] from Operation: 43+71=114 Current State: 41:[61, 12, 114], Operations: ['43+71=114'] Exploring Operation: 61+12=73, Resulting Numbers: [114, 73] Generated Node #3: [114, 73] from Operation: 61+12=73 Current State: 41:[114, 73], Operations: ['43+71=114', '61+12=73'] Exploring Operation: 114-73=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[43, 71, 61, 12], Operations: [] Exploring Operation: 71-43=28, Resulting Numbers: [61, 12, 28] Generated Node #0,0: 41:[61, 12, 28] Operation: 71-43=28 Exploring Operation: 43-12=31, Resulting Numbers: [71, 61, 31] Generated Node #0,1: 41:[71, 61, 31] Operation: 43-12=31 Exploring Operation: 61-12=49, Resulting Numbers: [43, 71, 49] Generated Node #0,2: 41:[43, 71, 49] Operation: 61-12=49 Exploring Operation: 71-12=59, Resulting Numbers: [43, 61, 59] Generated Node #0,3: 41:[43, 61, 59] Operation: 71-12=59 Exploring Operation: 71-61=10, Resulting Numbers: [43, 12, 10] Generated Node #0,4: 41:[43, 12, 10] Operation: 71-61=10 Moving to Node #0,2 Current State: 41:[43, 71, 49], Operations: ['61-12=49'] Exploring Operation: 71-49=22, Resulting Numbers: [43, 22] Generated Node #0,2,0: 41:[43, 22] Operation: 71-49=22 Exploring Operation: 71-43=28, Resulting Numbers: [49, 28] Generated Node #0,2,1: 41:[49, 28] Operation: 71-43=28 Exploring Operation: 43+71=114, Resulting Numbers: [49, 114] Generated Node #0,2,2: 41:[49, 114] Operation: 43+71=114 Exploring Operation: 49-43=6, Resulting Numbers: [71, 6] Generated Node #0,2,3: 41:[71, 6] Operation: 49-43=6 Exploring Operation: 43+49=92, Resulting Numbers: [71, 92] Generated Node #0,2,4: 41:[71, 92] Operation: 43+49=92 Moving to Node #0,3 Current State: 41:[43, 61, 59], Operations: ['71-12=59'] Exploring Operation: 61-43=18, Resulting Numbers: [59, 18] Generated Node #0,3,0: 41:[59, 18] Operation: 61-43=18 Exploring Operation: 43+59=102, Resulting Numbers: [61, 102] Generated Node #0,3,1: 41:[61, 102] Operation: 43+59=102 Exploring Operation: 43+61=104, Resulting Numbers: [59, 104] Generated Node #0,3,2: 41:[59, 104] Operation: 43+61=104 Exploring Operation: 61-59=2, Resulting Numbers: [43, 2] Generated Node #0,3,3: 41:[43, 2] Operation: 61-59=2 Exploring Operation: 59-43=16, Resulting Numbers: [61, 16] Generated Node #0,3,4: 41:[61, 16] Operation: 59-43=16 Moving to Node #0,1 Current State: 41:[71, 61, 31], Operations: ['43-12=31'] Exploring Operation: 61+31=92, Resulting Numbers: [71, 92] Generated Node #0,1,0: 41:[71, 92] Operation: 61+31=92 Exploring Operation: 71-31=40, Resulting Numbers: [61, 40] Generated Node #0,1,1: 41:[61, 40] Operation: 71-31=40 Exploring Operation: 71-61=10, Resulting Numbers: [31, 10] Generated Node #0,1,2: 41:[31, 10] Operation: 71-61=10 Exploring Operation: 61-31=30, Resulting Numbers: [71, 30] Generated Node #0,1,3: 41:[71, 30] Operation: 61-31=30 Exploring Operation: 71+31=102, Resulting Numbers: [61, 102] Generated Node #0,1,4: 41:[61, 102] Operation: 71+31=102 Moving to Node #0,0 Current State: 41:[61, 12, 28], Operations: ['71-43=28'] Exploring Operation: 61-12=49, Resulting Numbers: [28, 49] Generated Node #0,0,0: 41:[28, 49] Operation: 61-12=49 Exploring Operation: 61-28=33, Resulting Numbers: [12, 33] Generated Node #0,0,1: 41:[12, 33] Operation: 61-28=33 Exploring Operation: 28-12=16, Resulting Numbers: [61, 16] Generated Node #0,0,2: 41:[61, 16] Operation: 28-12=16 Exploring Operation: 12+28=40, Resulting Numbers: [61, 40] Generated Node #0,0,3: 41:[61, 40] Operation: 12+28=40 Exploring Operation: 61+12=73, Resulting Numbers: [28, 73] Generated Node #0,0,4: 41:[28, 73] Operation: 61+12=73 Moving to Node #0,4 Current State: 41:[43, 12, 10], Operations: ['71-61=10'] Exploring Operation: 12-10=2, Resulting Numbers: [43, 2] Generated Node #0,4,0: 41:[43, 2] Operation: 12-10=2 Exploring Operation: 12+10=22, Resulting Numbers: [43, 22] Generated Node #0,4,1: 41:[43, 22] Operation: 12+10=22 Exploring Operation: 43-12=31, Resulting Numbers: [10, 31] Generated Node #0,4,2: 41:[10, 31] Operation: 43-12=31 Exploring Operation: 43-10=33, Resulting Numbers: [12, 33] Generated Node #0,4,3: 41:[12, 33] Operation: 43-10=33 Exploring Operation: 43+10=53, Resulting Numbers: [12, 53] Generated Node #0,4,4: 41:[12, 53] Operation: 43+10=53 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 41:[43, 22], Operations: ['71-61=10', '12+10=22'] Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,41 unequal: No Solution Exploring Operation: 43+22=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 43*22=946, Resulting Numbers: [946] 946,41 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 #0,4,3 Current State: 41:[12, 33], Operations: ['71-61=10', '43-10=33'] Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,41 unequal: No Solution Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,41 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,41 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 #0,4,0 Current State: 41:[43, 2], Operations: ['71-61=10', '12-10=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[43, 71, 61, 12], Operations: [] Exploring Operation: 71-61=10, Resulting Numbers: [43, 12, 10] Generated Node #0,4: 41:[43, 12, 10] Operation: 71-61=10 Moving to Node #0,4 Current State: 41:[43, 12, 10], Operations: ['71-61=10'] Exploring Operation: 12-10=2, Resulting Numbers: [43, 2] Generated Node #0,4,0: 41:[43, 2] Operation: 12-10=2 Moving to Node #0,4,0 Current State: 41:[43, 2], Operations: ['71-61=10', '12-10=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
mult_heuristic
[ 50, 26, 33, 36 ]
98
[ "50-36=14", "33-26=7", "14*7=98" ]
Current State: 98:[50, 26, 33, 36], Operations: [] Exploring Operation: 50-36=14, Resulting Numbers: [26, 33, 14] Generated Node #2: [26, 33, 14] from Operation: 50-36=14 Current State: 98:[26, 33, 14], Operations: ['50-36=14'] Exploring Operation: 33-26=7, Resulting Numbers: [14, 7] Generated Node #3: [14, 7] from Operation: 33-26=7 Current State: 98:[14, 7], Operations: ['50-36=14', '33-26=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[50, 26, 33, 36], Operations: [] Exploring Operation: 36-26=10, Resulting Numbers: [50, 33, 10] Generated Node #0,0: 98:[50, 33, 10] Operation: 36-26=10 Exploring Operation: 26+33=59, Resulting Numbers: [50, 36, 59] Generated Node #0,1: 98:[50, 36, 59] Operation: 26+33=59 Exploring Operation: 33-26=7, Resulting Numbers: [50, 36, 7] Generated Node #0,2: 98:[50, 36, 7] Operation: 33-26=7 Exploring Operation: 36-33=3, Resulting Numbers: [50, 26, 3] Generated Node #0,3: 98:[50, 26, 3] Operation: 36-33=3 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[50, 36, 7], Operations: ['33-26=7'] Exploring Operation: 50+36=86, Resulting Numbers: [7, 86] Generated Node #0,2,0: 98:[7, 86] Operation: 50+36=86 Exploring Operation: 36-7=29, Resulting Numbers: [50, 29] Generated Node #0,2,1: 98:[50, 29] Operation: 36-7=29 Exploring Operation: 36+7=43, Resulting Numbers: [50, 43] Generated Node #0,2,2: 98:[50, 43] Operation: 36+7=43 Exploring Operation: 50-36=14, Resulting Numbers: [7, 14] Generated Node #0,2,3: 98:[7, 14] Operation: 50-36=14 Moving to Node #0,2,3 Current State: 98:[7, 14], Operations: ['33-26=7', '50-36=14'] Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[50, 26, 33, 36], Operations: [] Exploring Operation: 33-26=7, Resulting Numbers: [50, 36, 7] Generated Node #0,2: 98:[50, 36, 7] Operation: 33-26=7 Moving to Node #0,2 Current State: 98:[50, 36, 7], Operations: ['33-26=7'] Exploring Operation: 50-36=14, Resulting Numbers: [7, 14] Generated Node #0,2,3: 98:[7, 14] Operation: 50-36=14 Moving to Node #0,2,3 Current State: 98:[7, 14], Operations: ['33-26=7', '50-36=14'] Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 18, 89, 5, 38 ]
39
[ "18*5=90", "89-38=51", "90-51=39" ]
Current State: 39:[18, 89, 5, 38], Operations: [] Exploring Operation: 18*5=90, Resulting Numbers: [89, 38, 90] Generated Node #2: [89, 38, 90] from Operation: 18*5=90 Current State: 39:[89, 38, 90], Operations: ['18*5=90'] Exploring Operation: 89-38=51, Resulting Numbers: [90, 51] Generated Node #3: [90, 51] from Operation: 89-38=51 Current State: 39:[90, 51], Operations: ['18*5=90', '89-38=51'] Exploring Operation: 90-51=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[18, 89, 5, 38], Operations: [] Exploring Operation: 89-18=71, Resulting Numbers: [5, 38, 71] Generated Node #0,0: 39:[5, 38, 71] Operation: 89-18=71 Exploring Operation: 89-38=51, Resulting Numbers: [18, 5, 51] Generated Node #0,1: 39:[18, 5, 51] Operation: 89-38=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[18, 5, 51], Operations: ['89-38=51'] Exploring Operation: 18-5=13, Resulting Numbers: [51, 13] Generated Node #0,1,0: 39:[51, 13] Operation: 18-5=13 Exploring Operation: 51-18=33, Resulting Numbers: [5, 33] Generated Node #0,1,1: 39:[5, 33] Operation: 51-18=33 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[5, 33], Operations: ['89-38=51', '51-18=33'] Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,39 unequal: No Solution No 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: 39:[51, 13], Operations: ['89-38=51', '18-5=13'] Exploring Operation: 51+13=64, Resulting Numbers: [64] 64,39 unequal: No Solution Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,39 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: 39:[5, 38, 71], Operations: ['89-18=71'] Exploring Operation: 71-38=33, Resulting Numbers: [5, 33] Generated Node #0,0,0: 39:[5, 33] Operation: 71-38=33 Exploring Operation: 71-5=66, Resulting Numbers: [38, 66] Generated Node #0,0,1: 39:[38, 66] Operation: 71-5=66 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[5, 33], Operations: ['89-18=71', '71-38=33'] Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,39 unequal: No Solution No 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: 39:[38, 66], Operations: ['89-18=71', '71-5=66'] Exploring Operation: 38+66=104, Resulting Numbers: [104] 104,39 unequal: No Solution Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,39 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
[ 72, 4, 31, 66 ]
21
[ "72+4=76", "31+66=97", "97-76=21" ]
Current State: 21:[72, 4, 31, 66], Operations: [] Exploring Operation: 72+4=76, Resulting Numbers: [31, 66, 76] Generated Node #2: [31, 66, 76] from Operation: 72+4=76 Current State: 21:[31, 66, 76], Operations: ['72+4=76'] Exploring Operation: 31+66=97, Resulting Numbers: [76, 97] Generated Node #3: [76, 97] from Operation: 31+66=97 Current State: 21:[76, 97], Operations: ['72+4=76', '31+66=97'] Exploring Operation: 97-76=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[72, 4, 31, 66], Operations: [] Exploring Operation: 72-4=68, Resulting Numbers: [31, 66, 68] Generated Node #0,0: 21:[31, 66, 68] Operation: 72-4=68 Exploring Operation: 72/4=18, Resulting Numbers: [31, 66, 18] Generated Node #0,1: 21:[31, 66, 18] Operation: 72/4=18 Exploring Operation: 72-66=6, Resulting Numbers: [4, 31, 6] Generated Node #0,2: 21:[4, 31, 6] Operation: 72-66=6 Exploring Operation: 72-31=41, Resulting Numbers: [4, 66, 41] Generated Node #0,3: 21:[4, 66, 41] Operation: 72-31=41 Exploring Operation: 66-31=35, Resulting Numbers: [72, 4, 35] Generated Node #0,4: 21:[72, 4, 35] Operation: 66-31=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[4, 31, 6], Operations: ['72-66=6'] Exploring Operation: 31-4=27, Resulting Numbers: [6, 27] Generated Node #0,2,0: 21:[6, 27] Operation: 31-4=27 Exploring Operation: 4+6=10, Resulting Numbers: [31, 10] Generated Node #0,2,1: 21:[31, 10] Operation: 4+6=10 Exploring Operation: 6-4=2, Resulting Numbers: [31, 2] Generated Node #0,2,2: 21:[31, 2] Operation: 6-4=2 Exploring Operation: 31-6=25, Resulting Numbers: [4, 25] Generated Node #0,2,3: 21:[4, 25] Operation: 31-6=25 Exploring Operation: 4*6=24, Resulting Numbers: [31, 24] Generated Node #0,2,4: 21:[31, 24] Operation: 4*6=24 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 21:[4, 25], Operations: ['72-66=6', '31-6=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[72, 4, 31, 66], Operations: [] Exploring Operation: 72-66=6, Resulting Numbers: [4, 31, 6] Generated Node #0,2: 21:[4, 31, 6] Operation: 72-66=6 Moving to Node #0,2 Current State: 21:[4, 31, 6], Operations: ['72-66=6'] Exploring Operation: 31-6=25, Resulting Numbers: [4, 25] Generated Node #0,2,3: 21:[4, 25] Operation: 31-6=25 Moving to Node #0,2,3 Current State: 21:[4, 25], Operations: ['72-66=6', '31-6=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 4, 27, 72, 56 ]
65
[ "72/4=18", "27+56=83", "83-18=65" ]
Current State: 65:[4, 27, 72, 56], Operations: [] Exploring Operation: 72/4=18, Resulting Numbers: [27, 56, 18] Generated Node #2: [27, 56, 18] from Operation: 72/4=18 Current State: 65:[27, 56, 18], Operations: ['72/4=18'] Exploring Operation: 27+56=83, Resulting Numbers: [18, 83] Generated Node #3: [18, 83] from Operation: 27+56=83 Current State: 65:[18, 83], Operations: ['72/4=18', '27+56=83'] Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[4, 27, 72, 56], Operations: [] Exploring Operation: 27-4=23, Resulting Numbers: [72, 56, 23] Generated Node #0,0: 65:[72, 56, 23] Operation: 27-4=23 Exploring Operation: 56-27=29, Resulting Numbers: [4, 72, 29] Generated Node #0,1: 65:[4, 72, 29] Operation: 56-27=29 Exploring Operation: 56/4=14, Resulting Numbers: [27, 72, 14] Generated Node #0,2: 65:[27, 72, 14] Operation: 56/4=14 Exploring Operation: 72-56=16, Resulting Numbers: [4, 27, 16] Generated Node #0,3: 65:[4, 27, 16] Operation: 72-56=16 Moving to Node #0,3 Current State: 65:[4, 27, 16], Operations: ['72-56=16'] Exploring Operation: 4*16=64, Resulting Numbers: [27, 64] Generated Node #0,3,0: 65:[27, 64] Operation: 4*16=64 Exploring Operation: 27-16=11, Resulting Numbers: [4, 11] Generated Node #0,3,1: 65:[4, 11] Operation: 27-16=11 Exploring Operation: 27-4=23, Resulting Numbers: [16, 23] Generated Node #0,3,2: 65:[16, 23] Operation: 27-4=23 Exploring Operation: 16-4=12, Resulting Numbers: [27, 12] Generated Node #0,3,3: 65:[27, 12] Operation: 16-4=12 Moving to Node #0,2 Current State: 65:[27, 72, 14], Operations: ['56/4=14'] Exploring Operation: 27-14=13, Resulting Numbers: [72, 13] Generated Node #0,2,0: 65:[72, 13] Operation: 27-14=13 Exploring Operation: 72-14=58, Resulting Numbers: [27, 58] Generated Node #0,2,1: 65:[27, 58] Operation: 72-14=58 Exploring Operation: 72-27=45, Resulting Numbers: [14, 45] Generated Node #0,2,2: 65:[14, 45] Operation: 72-27=45 Exploring Operation: 27+14=41, Resulting Numbers: [72, 41] Generated Node #0,2,3: 65:[72, 41] Operation: 27+14=41 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 65:[72, 13], Operations: ['56/4=14', '27-14=13'] Exploring Operation: 72*13=936, Resulting Numbers: [936] 936,65 unequal: No Solution Exploring Operation: 72-13=59, Resulting Numbers: [59] 59,65 unequal: No Solution Exploring Operation: 72+13=85, Resulting Numbers: [85] 85,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 65:[27, 58], Operations: ['56/4=14', '72-14=58'] Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,65 unequal: No Solution Exploring Operation: 27+58=85, Resulting Numbers: [85] 85,65 unequal: No Solution Exploring Operation: 27*58=1566, Resulting Numbers: [1566] 1566,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 65:[14, 45], Operations: ['56/4=14', '72-27=45'] Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,65 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,65 unequal: No Solution Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 65:[72, 41], Operations: ['56/4=14', '27+14=41'] Exploring Operation: 72*41=2952, Resulting Numbers: [2952] 2952,65 unequal: No Solution Exploring Operation: 72-41=31, Resulting Numbers: [31] 31,65 unequal: No Solution Exploring Operation: 72+41=113, Resulting Numbers: [113] 113,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 65:[4, 72, 29], Operations: ['56-27=29'] Exploring Operation: 29-4=25, Resulting Numbers: [72, 25] Generated Node #0,1,0: 65:[72, 25] Operation: 29-4=25 Exploring Operation: 72-4=68, Resulting Numbers: [29, 68] Generated Node #0,1,1: 65:[29, 68] Operation: 72-4=68 Exploring Operation: 72/4=18, Resulting Numbers: [29, 18] Generated Node #0,1,2: 65:[29, 18] Operation: 72/4=18 Exploring Operation: 72-29=43, Resulting Numbers: [4, 43] Generated Node #0,1,3: 65:[4, 43] Operation: 72-29=43 Moving to Node #0,0 Current State: 65:[72, 56, 23], Operations: ['27-4=23'] Exploring Operation: 56-23=33, Resulting Numbers: [72, 33] Generated Node #0,0,0: 65:[72, 33] Operation: 56-23=33 Exploring Operation: 56+23=79, Resulting Numbers: [72, 79] Generated Node #0,0,1: 65:[72, 79] Operation: 56+23=79 Exploring Operation: 72-23=49, Resulting Numbers: [56, 49] Generated Node #0,0,2: 65:[56, 49] Operation: 72-23=49 Exploring Operation: 72-56=16, Resulting Numbers: [23, 16] Generated Node #0,0,3: 65:[23, 16] Operation: 72-56=16 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 65:[23, 16], Operations: ['27-4=23', '72-56=16'] Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 23*16=368, Resulting Numbers: [368] 368,65 unequal: No Solution Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 65:[72, 79], Operations: ['27-4=23', '56+23=79'] Exploring Operation: 79-72=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 72+79=151, Resulting Numbers: [151] 151,65 unequal: No Solution Exploring Operation: 72*79=5688, Resulting Numbers: [5688] 5688,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 65:[56, 49], Operations: ['27-4=23', '72-23=49'] Exploring Operation: 56-49=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 56*49=2744, Resulting Numbers: [2744] 2744,65 unequal: No Solution Exploring Operation: 56+49=105, Resulting Numbers: [105] 105,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[72, 33], Operations: ['27-4=23', '56-23=33'] Exploring Operation: 72-33=39, Resulting Numbers: [39] 39,65 unequal: No Solution Exploring Operation: 72+33=105, Resulting Numbers: [105] 105,65 unequal: No Solution Exploring Operation: 72*33=2376, Resulting Numbers: [2376] 2376,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 65:[4, 11], Operations: ['72-56=16', '27-16=11'] Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 4*11=44, Resulting Numbers: [44] 44,65 unequal: No Solution Exploring Operation: 4+11=15, Resulting Numbers: [15] 15,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[16, 23], Operations: ['72-56=16', '27-4=23'] Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 16*23=368, Resulting Numbers: [368] 368,65 unequal: No Solution Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,65 unequal: No Solution Moving to Node #0,3,0 Current State: 65:[27, 64], Operations: ['72-56=16', '4*16=64'] Exploring Operation: 27+64=91, Resulting Numbers: [91] 91,65 unequal: No Solution Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 27*64=1728, Resulting Numbers: [1728] 1728,65 unequal: No Solution Moving to Node #0,3,3 Current State: 65:[27, 12], Operations: ['72-56=16', '16-4=12'] Exploring Operation: 27+12=39, Resulting Numbers: [39] 39,65 unequal: No Solution Exploring Operation: 27-12=15, Resulting Numbers: [15] 15,65 unequal: No Solution Exploring Operation: 27*12=324, Resulting Numbers: [324] 324,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[29, 68], Operations: ['56-27=29', '72-4=68'] Exploring Operation: 68-29=39, Resulting Numbers: [39] 39,65 unequal: No Solution Exploring Operation: 29+68=97, Resulting Numbers: [97] 97,65 unequal: No Solution Exploring Operation: 29*68=1972, Resulting Numbers: [1972] 1972,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[72, 25], Operations: ['56-27=29', '29-4=25'] Exploring Operation: 72*25=1800, Resulting Numbers: [1800] 1800,65 unequal: No Solution Exploring Operation: 72+25=97, Resulting Numbers: [97] 97,65 unequal: No Solution Exploring Operation: 72-25=47, Resulting Numbers: [47] 47,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[29, 18], Operations: ['56-27=29', '72/4=18'] Exploring Operation: 29+18=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,65 unequal: No Solution Exploring Operation: 29*18=522, Resulting Numbers: [522] 522,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[4, 43], Operations: ['56-27=29', '72-29=43'] Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,65 unequal: No Solution Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,65 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,65 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 20, 18, 10, 78 ]
86
[ "20-18=2", "10+78=88", "88-2=86" ]
Current State: 86:[20, 18, 10, 78], Operations: [] Exploring Operation: 20-18=2, Resulting Numbers: [10, 78, 2] Generated Node #2: [10, 78, 2] from Operation: 20-18=2 Current State: 86:[10, 78, 2], Operations: ['20-18=2'] Exploring Operation: 10+78=88, Resulting Numbers: [2, 88] Generated Node #3: [2, 88] from Operation: 10+78=88 Current State: 86:[2, 88], Operations: ['20-18=2', '10+78=88'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[20, 18, 10, 78], Operations: [] Exploring Operation: 20-18=2, Resulting Numbers: [10, 78, 2] Generated Node #0,0: 86:[10, 78, 2] Operation: 20-18=2 Exploring Operation: 20+18=38, Resulting Numbers: [10, 78, 38] Generated Node #0,1: 86:[10, 78, 38] Operation: 20+18=38 Moving to Node #0,0 Current State: 86:[10, 78, 2], Operations: ['20-18=2'] Exploring Operation: 10/2=5, Resulting Numbers: [78, 5] Generated Node #0,0,0: 86:[78, 5] Operation: 10/2=5 Exploring Operation: 10+78=88, Resulting Numbers: [2, 88] Generated Node #0,0,1: 86:[2, 88] Operation: 10+78=88 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[2, 88], Operations: ['20-18=2', '10+78=88'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[20, 18, 10, 78], Operations: [] Exploring Operation: 20-18=2, Resulting Numbers: [10, 78, 2] Generated Node #0,0: 86:[10, 78, 2] Operation: 20-18=2 Moving to Node #0,0 Current State: 86:[10, 78, 2], Operations: ['20-18=2'] Exploring Operation: 10+78=88, Resulting Numbers: [2, 88] Generated Node #0,0,1: 86:[2, 88] Operation: 10+78=88 Moving to Node #0,0,1 Current State: 86:[2, 88], Operations: ['20-18=2', '10+78=88'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 82, 91, 8, 84 ]
12
[ "91-82=9", "8*9=72", "84-72=12" ]
Current State: 12:[82, 91, 8, 84], Operations: [] Exploring Operation: 91-82=9, Resulting Numbers: [8, 84, 9] Generated Node #2: [8, 84, 9] from Operation: 91-82=9 Current State: 12:[8, 84, 9], Operations: ['91-82=9'] Exploring Operation: 8*9=72, Resulting Numbers: [84, 72] Generated Node #3: [84, 72] from Operation: 8*9=72 Current State: 12:[84, 72], Operations: ['91-82=9', '8*9=72'] Exploring Operation: 84-72=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[82, 91, 8, 84], Operations: [] Exploring Operation: 84-82=2, Resulting Numbers: [91, 8, 2] Generated Node #0,0: 12:[91, 8, 2] Operation: 84-82=2 Exploring Operation: 82-8=74, Resulting Numbers: [91, 84, 74] Generated Node #0,1: 12:[91, 84, 74] Operation: 82-8=74 Exploring Operation: 91-84=7, Resulting Numbers: [82, 8, 7] Generated Node #0,2: 12:[82, 8, 7] Operation: 91-84=7 Exploring Operation: 91-8=83, Resulting Numbers: [82, 84, 83] Generated Node #0,3: 12:[82, 84, 83] Operation: 91-8=83 Exploring Operation: 91-82=9, Resulting Numbers: [8, 84, 9] Generated Node #0,4: 12:[8, 84, 9] Operation: 91-82=9 Moving to Node #0,2 Current State: 12:[82, 8, 7], Operations: ['91-84=7'] Exploring Operation: 8+7=15, Resulting Numbers: [82, 15] Generated Node #0,2,0: 12:[82, 15] Operation: 8+7=15 Exploring Operation: 82-8=74, Resulting Numbers: [7, 74] Generated Node #0,2,1: 12:[7, 74] Operation: 82-8=74 Exploring Operation: 82-7=75, Resulting Numbers: [8, 75] Generated Node #0,2,2: 12:[8, 75] Operation: 82-7=75 Exploring Operation: 82+8=90, Resulting Numbers: [7, 90] Generated Node #0,2,3: 12:[7, 90] Operation: 82+8=90 Exploring Operation: 8-7=1, Resulting Numbers: [82, 1] Generated Node #0,2,4: 12:[82, 1] Operation: 8-7=1 Moving to Node #0,4 Current State: 12:[8, 84, 9], Operations: ['91-82=9'] Exploring Operation: 84-8=76, Resulting Numbers: [9, 76] Generated Node #0,4,0: 12:[9, 76] Operation: 84-8=76 Exploring Operation: 8+84=92, Resulting Numbers: [9, 92] Generated Node #0,4,1: 12:[9, 92] Operation: 8+84=92 Exploring Operation: 9-8=1, Resulting Numbers: [84, 1] Generated Node #0,4,2: 12:[84, 1] Operation: 9-8=1 Exploring Operation: 8+9=17, Resulting Numbers: [84, 17] Generated Node #0,4,3: 12:[84, 17] Operation: 8+9=17 Exploring Operation: 84-9=75, Resulting Numbers: [8, 75] Generated Node #0,4,4: 12:[8, 75] Operation: 84-9=75 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 12:[8, 75], Operations: ['91-82=9', '84-9=75'] Exploring Operation: 8+75=83, Resulting Numbers: [83] 83,12 unequal: No Solution Exploring Operation: 8*75=600, Resulting Numbers: [600] 600,12 unequal: No Solution Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 12:[9, 76], Operations: ['91-82=9', '84-8=76'] Exploring Operation: 76-9=67, Resulting Numbers: [67] 67,12 unequal: No Solution Exploring Operation: 9+76=85, Resulting Numbers: [85] 85,12 unequal: No Solution Exploring Operation: 9*76=684, Resulting Numbers: [684] 684,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 12:[84, 1], Operations: ['91-82=9', '9-8=1'] Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,12 unequal: No Solution Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,12 unequal: No Solution Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,12 unequal: No Solution Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 12:[84, 17], Operations: ['91-82=9', '8+9=17'] Exploring Operation: 84+17=101, Resulting Numbers: [101] 101,12 unequal: No Solution Exploring Operation: 84-17=67, Resulting Numbers: [67] 67,12 unequal: No Solution Exploring Operation: 84*17=1428, Resulting Numbers: [1428] 1428,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 12:[9, 92], Operations: ['91-82=9', '8+84=92'] Exploring Operation: 92-9=83, Resulting Numbers: [83] 83,12 unequal: No Solution Exploring Operation: 9*92=828, Resulting Numbers: [828] 828,12 unequal: No Solution Exploring Operation: 9+92=101, Resulting Numbers: [101] 101,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 12:[91, 8, 2], Operations: ['84-82=2'] Exploring Operation: 91-8=83, Resulting Numbers: [2, 83] Generated Node #0,0,0: 12:[2, 83] Operation: 91-8=83 Exploring Operation: 91-2=89, Resulting Numbers: [8, 89] Generated Node #0,0,1: 12:[8, 89] Operation: 91-2=89 Exploring Operation: 8-2=6, Resulting Numbers: [91, 6] Generated Node #0,0,2: 12:[91, 6] Operation: 8-2=6 Exploring Operation: 8+2=10, Resulting Numbers: [91, 10] Generated Node #0,0,3: 12:[91, 10] Operation: 8+2=10 Exploring Operation: 8/2=4, Resulting Numbers: [91, 4] Generated Node #0,0,4: 12:[91, 4] Operation: 8/2=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[2, 83], Operations: ['84-82=2', '91-8=83'] Exploring Operation: 2*83=166, Resulting Numbers: [166] 166,12 unequal: No Solution Exploring Operation: 2+83=85, Resulting Numbers: [85] 85,12 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 12:[8, 89], Operations: ['84-82=2', '91-2=89'] Exploring Operation: 8*89=712, Resulting Numbers: [712] 712,12 unequal: No Solution Exploring Operation: 89-8=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 8+89=97, Resulting Numbers: [97] 97,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 12:[91, 6], Operations: ['84-82=2', '8-2=6'] Exploring Operation: 91*6=546, Resulting Numbers: [546] 546,12 unequal: No Solution Exploring Operation: 91+6=97, Resulting Numbers: [97] 97,12 unequal: No Solution Exploring Operation: 91-6=85, Resulting Numbers: [85] 85,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 12:[91, 4], Operations: ['84-82=2', '8/2=4'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,12 unequal: No Solution Exploring Operation: 91*4=364, Resulting Numbers: [364] 364,12 unequal: No Solution Exploring Operation: 91+4=95, Resulting Numbers: [95] 95,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 12:[91, 10], Operations: ['84-82=2', '8+2=10'] Exploring Operation: 91+10=101, Resulting Numbers: [101] 101,12 unequal: No Solution Exploring Operation: 91*10=910, Resulting Numbers: [910] 910,12 unequal: No Solution Exploring Operation: 91-10=81, Resulting Numbers: [81] 81,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 12:[91, 84, 74], Operations: ['82-8=74'] Exploring Operation: 91+84=175, Resulting Numbers: [74, 175] Generated Node #0,1,0: 12:[74, 175] Operation: 91+84=175 Exploring Operation: 91-74=17, Resulting Numbers: [84, 17] Generated Node #0,1,1: 12:[84, 17] Operation: 91-74=17 Exploring Operation: 84-74=10, Resulting Numbers: [91, 10] Generated Node #0,1,2: 12:[91, 10] Operation: 84-74=10 Exploring Operation: 91+74=165, Resulting Numbers: [84, 165] Generated Node #0,1,3: 12:[84, 165] Operation: 91+74=165 Exploring Operation: 91-84=7, Resulting Numbers: [74, 7] Generated Node #0,1,4: 12:[74, 7] Operation: 91-84=7 Moving to Node #0,3 Current State: 12:[82, 84, 83], Operations: ['91-8=83'] Exploring Operation: 82+84=166, Resulting Numbers: [83, 166] Generated Node #0,3,0: 12:[83, 166] Operation: 82+84=166 Exploring Operation: 84-82=2, Resulting Numbers: [83, 2] Generated Node #0,3,1: 12:[83, 2] Operation: 84-82=2 Exploring Operation: 83-82=1, Resulting Numbers: [84, 1] Generated Node #0,3,2: 12:[84, 1] Operation: 83-82=1 Exploring Operation: 84-83=1, Resulting Numbers: [82, 1] Generated Node #0,3,3: 12:[82, 1] Operation: 84-83=1 Exploring Operation: 82+83=165, Resulting Numbers: [84, 165] Generated Node #0,3,4: 12:[84, 165] Operation: 82+83=165 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 12:[83, 2], Operations: ['91-8=83', '84-82=2'] Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,12 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 12:[82, 1], Operations: ['91-8=83', '84-83=1'] Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,12 unequal: No Solution Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,12 unequal: No Solution Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 12:[84, 1], Operations: ['91-8=83', '83-82=1'] Exploring Operation: 84/1=84, Resulting Numbers: [84] 84,12 unequal: No Solution Exploring Operation: 84+1=85, Resulting Numbers: [85] 85,12 unequal: No Solution Exploring Operation: 84*1=84, Resulting Numbers: [84] 84,12 unequal: No Solution Exploring Operation: 84-1=83, Resulting Numbers: [83] 83,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 12:[83, 166], Operations: ['91-8=83', '82+84=166'] Exploring Operation: 83+166=249, Resulting Numbers: [249] 249,12 unequal: No Solution Exploring Operation: 166-83=83, Resulting Numbers: [83] 83,12 unequal: No Solution Exploring Operation: 83*166=13778, Resulting Numbers: [13778] 13778,12 unequal: No Solution Exploring Operation: 166/83=2, Resulting Numbers: [2] 2,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 12:[84, 165], Operations: ['91-8=83', '82+83=165'] Exploring Operation: 165-84=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 84+165=249, Resulting Numbers: [249] 249,12 unequal: No Solution Exploring Operation: 84*165=13860, Resulting Numbers: [13860] 13860,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 12:[7, 74], Operations: ['91-84=7', '82-8=74'] Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,12 unequal: No Solution Exploring Operation: 7*74=518, Resulting Numbers: [518] 518,12 unequal: No Solution Exploring Operation: 7+74=81, Resulting Numbers: [81] 81,12 unequal: No Solution Moving to Node #0,1,4 Current State: 12:[74, 7], Operations: ['82-8=74', '91-84=7'] Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,12 unequal: No Solution Exploring Operation: 74+7=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 74*7=518, Resulting Numbers: [518] 518,12 unequal: No Solution Moving to Node #0,2,2 Current State: 12:[8, 75], Operations: ['91-84=7', '82-7=75'] Exploring Operation: 8+75=83, Resulting Numbers: [83] 83,12 unequal: No Solution Exploring Operation: 75-8=67, Resulting Numbers: [67] 67,12 unequal: No Solution Exploring Operation: 8*75=600, Resulting Numbers: [600] 600,12 unequal: No Solution Moving to Node #0,2,4 Current State: 12:[82, 1], Operations: ['91-84=7', '8-7=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 82/1=82, Resulting Numbers: [82] 82,12 unequal: No Solution Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,12 unequal: No Solution Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,12 unequal: No Solution Moving to Node #0,2,0 Current State: 12:[82, 15], Operations: ['91-84=7', '8+7=15'] Exploring Operation: 82-15=67, Resulting Numbers: [67] 67,12 unequal: No Solution Exploring Operation: 82*15=1230, Resulting Numbers: [1230] 1230,12 unequal: No Solution Exploring Operation: 82+15=97, Resulting Numbers: [97] 97,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[84, 17], Operations: ['82-8=74', '91-74=17'] Exploring Operation: 84-17=67, Resulting Numbers: [67] 67,12 unequal: No Solution Exploring Operation: 84*17=1428, Resulting Numbers: [1428] 1428,12 unequal: No Solution Exploring Operation: 84+17=101, Resulting Numbers: [101] 101,12 unequal: No Solution Moving to Node #0,2,3 Current State: 12:[7, 90], Operations: ['91-84=7', '82+8=90'] Exploring Operation: 7*90=630, Resulting Numbers: [630] 630,12 unequal: No Solution Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,12 unequal: No Solution Exploring Operation: 7+90=97, Resulting Numbers: [97] 97,12 unequal: No Solution Moving to Node #0,1,2 Current State: 12:[91, 10], Operations: ['82-8=74', '84-74=10'] Exploring Operation: 91-10=81, Resulting Numbers: [81] 81,12 unequal: No Solution Exploring Operation: 91*10=910, Resulting Numbers: [910] 910,12 unequal: No Solution Exploring Operation: 91+10=101, Resulting Numbers: [101] 101,12 unequal: No Solution Moving to Node #0,1,0 Current State: 12:[74, 175], Operations: ['82-8=74', '91+84=175'] Exploring Operation: 175-74=101, Resulting Numbers: [101] 101,12 unequal: No Solution Exploring Operation: 74*175=12950, Resulting Numbers: [12950] 12950,12 unequal: No Solution Exploring Operation: 74+175=249, Resulting Numbers: [249] 249,12 unequal: No Solution Moving to Node #0,1,3 Current State: 12:[84, 165], Operations: ['82-8=74', '91+74=165'] Exploring Operation: 84*165=13860, Resulting Numbers: [13860] 13860,12 unequal: No Solution Exploring Operation: 84+165=249, Resulting Numbers: [249] 249,12 unequal: No Solution Exploring Operation: 165-84=81, Resulting Numbers: [81] 81,12 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 19, 88, 36, 36 ]
68
[ "88-19=69", "36/36=1", "69-1=68" ]
Current State: 68:[19, 88, 36, 36], Operations: [] Exploring Operation: 88-19=69, Resulting Numbers: [36, 36, 69] Generated Node #2: [36, 36, 69] from Operation: 88-19=69 Current State: 68:[36, 36, 69], Operations: ['88-19=69'] Exploring Operation: 36/36=1, Resulting Numbers: [69, 1] Generated Node #3: [69, 1] from Operation: 36/36=1 Current State: 68:[69, 1], Operations: ['88-19=69', '36/36=1'] Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[19, 88, 36, 36], Operations: [] Exploring Operation: 88-19=69, Resulting Numbers: [36, 36, 69] Generated Node #0,0: 68:[36, 36, 69] Operation: 88-19=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[36, 36, 69], Operations: ['88-19=69'] Exploring Operation: 36/36=1, Resulting Numbers: [69, 1] Generated Node #0,0,0: 68:[69, 1] Operation: 36/36=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[69, 1], Operations: ['88-19=69', '36/36=1'] Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[19, 88, 36, 36], Operations: [] Exploring Operation: 88-19=69, Resulting Numbers: [36, 36, 69] Generated Node #0,0: 68:[36, 36, 69] Operation: 88-19=69 Moving to Node #0,0 Current State: 68:[36, 36, 69], Operations: ['88-19=69'] Exploring Operation: 36/36=1, Resulting Numbers: [69, 1] Generated Node #0,0,0: 68:[69, 1] Operation: 36/36=1 Moving to Node #0,0,0 Current State: 68:[69, 1], Operations: ['88-19=69', '36/36=1'] Exploring Operation: 69-1=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 45, 9, 11, 21 ]
24
[ "45+11=56", "9*56=504", "504/21=24" ]
Current State: 24:[45, 9, 11, 21], Operations: [] Exploring Operation: 45+11=56, Resulting Numbers: [9, 21, 56] Generated Node #2: [9, 21, 56] from Operation: 45+11=56 Current State: 24:[9, 21, 56], Operations: ['45+11=56'] Exploring Operation: 9*56=504, Resulting Numbers: [21, 504] Generated Node #3: [21, 504] from Operation: 9*56=504 Current State: 24:[21, 504], Operations: ['45+11=56', '9*56=504'] Exploring Operation: 504/21=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[45, 9, 11, 21], Operations: [] Exploring Operation: 45-21=24, Resulting Numbers: [9, 11, 24] Generated Node #0,0: 24:[9, 11, 24] Operation: 45-21=24 Exploring Operation: 45/9=5, Resulting Numbers: [11, 21, 5] Generated Node #0,1: 24:[11, 21, 5] Operation: 45/9=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[9, 11, 24], Operations: ['45-21=24'] Exploring Operation: 11-9=2, Resulting Numbers: [24, 2] Generated Node #0,0,0: 24:[24, 2] Operation: 11-9=2 Exploring Operation: 24-11=13, Resulting Numbers: [9, 13] Generated Node #0,0,1: 24:[9, 13] Operation: 24-11=13 Moving to Node #0,0,0 Current State: 24:[24, 2], Operations: ['45-21=24', '11-9=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,24 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,24 unequal: No Solution Moving to Node #0,0,1 Current State: 24:[9, 13], Operations: ['45-21=24', '24-11=13'] Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,24 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,24 unequal: No Solution No 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: 24:[11, 21, 5], Operations: ['45/9=5'] Exploring Operation: 21-11=10, Resulting Numbers: [5, 10] Generated Node #0,1,0: 24:[5, 10] Operation: 21-11=10 Exploring Operation: 11-5=6, Resulting Numbers: [21, 6] Generated Node #0,1,1: 24:[21, 6] Operation: 11-5=6 Moving to Node #0,1,0 Current State: 24:[5, 10], Operations: ['45/9=5', '21-11=10'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,24 unequal: No Solution Moving to Node #0,1,1 Current State: 24:[21, 6], Operations: ['45/9=5', '11-5=6'] Exploring Operation: 21+6=27, Resulting Numbers: [27] 27,24 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,24 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
[ 14, 65, 90, 50 ]
28
[ "14*50=700", "90-65=25", "700/25=28" ]
Current State: 28:[14, 65, 90, 50], Operations: [] Exploring Operation: 14*50=700, Resulting Numbers: [65, 90, 700] Generated Node #2: [65, 90, 700] from Operation: 14*50=700 Current State: 28:[65, 90, 700], Operations: ['14*50=700'] Exploring Operation: 90-65=25, Resulting Numbers: [700, 25] Generated Node #3: [700, 25] from Operation: 90-65=25 Current State: 28:[700, 25], Operations: ['14*50=700', '90-65=25'] Exploring Operation: 700/25=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[14, 65, 90, 50], Operations: [] Exploring Operation: 65-50=15, Resulting Numbers: [14, 90, 15] Generated Node #0,0: 28:[14, 90, 15] Operation: 65-50=15 Exploring Operation: 90-65=25, Resulting Numbers: [14, 50, 25] Generated Node #0,1: 28:[14, 50, 25] Operation: 90-65=25 Exploring Operation: 90-50=40, Resulting Numbers: [14, 65, 40] Generated Node #0,2: 28:[14, 65, 40] Operation: 90-50=40 Moving to Node #0,1 Current State: 28:[14, 50, 25], Operations: ['90-65=25'] Exploring Operation: 50/25=2, Resulting Numbers: [14, 2] Generated Node #0,1,0: 28:[14, 2] Operation: 50/25=2 Exploring Operation: 50-25=25, Resulting Numbers: [14, 25] Generated Node #0,1,1: 28:[14, 25] Operation: 50-25=25 Exploring Operation: 50-14=36, Resulting Numbers: [25, 36] Generated Node #0,1,2: 28:[25, 36] Operation: 50-14=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[14, 2], Operations: ['90-65=25', '50/25=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,28 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[14, 65, 90, 50], Operations: [] Exploring Operation: 90-65=25, Resulting Numbers: [14, 50, 25] Generated Node #0,1: 28:[14, 50, 25] Operation: 90-65=25 Moving to Node #0,1 Current State: 28:[14, 50, 25], Operations: ['90-65=25'] Exploring Operation: 50/25=2, Resulting Numbers: [14, 2] Generated Node #0,1,0: 28:[14, 2] Operation: 50/25=2 Moving to Node #0,1,0 Current State: 28:[14, 2], Operations: ['90-65=25', '50/25=2'] Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 42, 74, 10, 13 ]
60
[ "13-10=3", "42/3=14", "74-14=60" ]
Current State: 60:[42, 74, 10, 13], Operations: [] Exploring Operation: 13-10=3, Resulting Numbers: [42, 74, 3] Generated Node #2: [42, 74, 3] from Operation: 13-10=3 Current State: 60:[42, 74, 3], Operations: ['13-10=3'] Exploring Operation: 42/3=14, Resulting Numbers: [74, 14] Generated Node #3: [74, 14] from Operation: 42/3=14 Current State: 60:[74, 14], Operations: ['13-10=3', '42/3=14'] Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[42, 74, 10, 13], Operations: [] Exploring Operation: 42-10=32, Resulting Numbers: [74, 13, 32] Generated Node #0,0: 60:[74, 13, 32] Operation: 42-10=32 Exploring Operation: 74-13=61, Resulting Numbers: [42, 10, 61] Generated Node #0,1: 60:[42, 10, 61] Operation: 74-13=61 Exploring Operation: 74-10=64, Resulting Numbers: [42, 13, 64] Generated Node #0,2: 60:[42, 13, 64] Operation: 74-10=64 Exploring Operation: 74-42=32, Resulting Numbers: [10, 13, 32] Generated Node #0,3: 60:[10, 13, 32] Operation: 74-42=32 Exploring Operation: 42-13=29, Resulting Numbers: [74, 10, 29] Generated Node #0,4: 60:[74, 10, 29] Operation: 42-13=29 Moving to Node #0,3 Current State: 60:[10, 13, 32], Operations: ['74-42=32'] Exploring Operation: 10+13=23, Resulting Numbers: [32, 23] Generated Node #0,3,0: 60:[32, 23] Operation: 10+13=23 Exploring Operation: 32-13=19, Resulting Numbers: [10, 19] Generated Node #0,3,1: 60:[10, 19] Operation: 32-13=19 Exploring Operation: 13-10=3, Resulting Numbers: [32, 3] Generated Node #0,3,2: 60:[32, 3] Operation: 13-10=3 Exploring Operation: 10+32=42, Resulting Numbers: [13, 42] Generated Node #0,3,3: 60:[13, 42] Operation: 10+32=42 Exploring Operation: 32-10=22, Resulting Numbers: [13, 22] Generated Node #0,3,4: 60:[13, 22] Operation: 32-10=22 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 60:[10, 19], Operations: ['74-42=32', '32-13=19'] Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,60 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,60 unequal: No Solution No 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: 60:[32, 3], Operations: ['74-42=32', '13-10=3'] Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,60 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,60 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,60 unequal: No Solution No 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: 60:[13, 22], Operations: ['74-42=32', '32-10=22'] Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,60 unequal: No Solution Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,60 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,60 unequal: No Solution No 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: 60:[32, 23], Operations: ['74-42=32', '10+13=23'] Exploring Operation: 32*23=736, Resulting Numbers: [736] 736,60 unequal: No Solution Exploring Operation: 32+23=55, Resulting Numbers: [55] 55,60 unequal: No Solution Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,60 unequal: No Solution No 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: 60:[13, 42], Operations: ['74-42=32', '10+32=42'] Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 13*42=546, Resulting Numbers: [546] 546,60 unequal: No Solution Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,60 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: 60:[42, 10, 61], Operations: ['74-13=61'] Exploring Operation: 42-10=32, Resulting Numbers: [61, 32] Generated Node #0,1,0: 60:[61, 32] Operation: 42-10=32 Exploring Operation: 42+10=52, Resulting Numbers: [61, 52] Generated Node #0,1,1: 60:[61, 52] Operation: 42+10=52 Exploring Operation: 10+61=71, Resulting Numbers: [42, 71] Generated Node #0,1,2: 60:[42, 71] Operation: 10+61=71 Exploring Operation: 61-10=51, Resulting Numbers: [42, 51] Generated Node #0,1,3: 60:[42, 51] Operation: 61-10=51 Exploring Operation: 61-42=19, Resulting Numbers: [10, 19] Generated Node #0,1,4: 60:[10, 19] Operation: 61-42=19 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 60:[10, 19], Operations: ['74-13=61', '61-42=19'] Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,60 unequal: No Solution No 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: 60:[61, 32], Operations: ['74-13=61', '42-10=32'] Exploring Operation: 61+32=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 61*32=1952, Resulting Numbers: [1952] 1952,60 unequal: No Solution Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,60 unequal: No Solution No 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: 60:[61, 52], Operations: ['74-13=61', '42+10=52'] Exploring Operation: 61-52=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 61+52=113, Resulting Numbers: [113] 113,60 unequal: No Solution Exploring Operation: 61*52=3172, Resulting Numbers: [3172] 3172,60 unequal: No Solution No 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: 60:[42, 51], Operations: ['74-13=61', '61-10=51'] Exploring Operation: 42+51=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 51-42=9, Resulting Numbers: [9] 9,60 unequal: No Solution Exploring Operation: 42*51=2142, Resulting Numbers: [2142] 2142,60 unequal: No Solution No 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: 60:[42, 71], Operations: ['74-13=61', '10+61=71'] Exploring Operation: 42+71=113, Resulting Numbers: [113] 113,60 unequal: No Solution Exploring Operation: 42*71=2982, Resulting Numbers: [2982] 2982,60 unequal: No Solution Exploring Operation: 71-42=29, Resulting Numbers: [29] 29,60 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: 60:[74, 10, 29], Operations: ['42-13=29'] Exploring Operation: 74-29=45, Resulting Numbers: [10, 45] Generated Node #0,4,0: 60:[10, 45] Operation: 74-29=45 Exploring Operation: 29-10=19, Resulting Numbers: [74, 19] Generated Node #0,4,1: 60:[74, 19] Operation: 29-10=19 Exploring Operation: 74+10=84, Resulting Numbers: [29, 84] Generated Node #0,4,2: 60:[29, 84] Operation: 74+10=84 Exploring Operation: 74-10=64, Resulting Numbers: [29, 64] Generated Node #0,4,3: 60:[29, 64] Operation: 74-10=64 Exploring Operation: 10+29=39, Resulting Numbers: [74, 39] Generated Node #0,4,4: 60:[74, 39] Operation: 10+29=39 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 60:[29, 64], Operations: ['42-13=29', '74-10=64'] Exploring Operation: 29+64=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 29*64=1856, Resulting Numbers: [1856] 1856,60 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,60 unequal: No Solution No 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: 60:[10, 45], Operations: ['42-13=29', '74-29=45'] Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,60 unequal: No Solution Exploring Operation: 10*45=450, Resulting Numbers: [450] 450,60 unequal: No Solution Exploring Operation: 45-10=35, Resulting Numbers: [35] 35,60 unequal: No Solution No 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: 60:[74, 19], Operations: ['42-13=29', '29-10=19'] Exploring Operation: 74+19=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 74-19=55, Resulting Numbers: [55] 55,60 unequal: No Solution Exploring Operation: 74*19=1406, Resulting Numbers: [1406] 1406,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 60:[74, 39], Operations: ['42-13=29', '10+29=39'] Exploring Operation: 74+39=113, Resulting Numbers: [113] 113,60 unequal: No Solution Exploring Operation: 74*39=2886, Resulting Numbers: [2886] 2886,60 unequal: No Solution Exploring Operation: 74-39=35, Resulting Numbers: [35] 35,60 unequal: No Solution No 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: 60:[29, 84], Operations: ['42-13=29', '74+10=84'] Exploring Operation: 84-29=55, Resulting Numbers: [55] 55,60 unequal: No Solution Exploring Operation: 29*84=2436, Resulting Numbers: [2436] 2436,60 unequal: No Solution Exploring Operation: 29+84=113, Resulting Numbers: [113] 113,60 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: 60:[74, 13, 32], Operations: ['42-10=32'] Exploring Operation: 13+32=45, Resulting Numbers: [74, 45] Generated Node #0,0,0: 60:[74, 45] Operation: 13+32=45 Exploring Operation: 74+13=87, Resulting Numbers: [32, 87] Generated Node #0,0,1: 60:[32, 87] Operation: 74+13=87 Exploring Operation: 32-13=19, Resulting Numbers: [74, 19] Generated Node #0,0,2: 60:[74, 19] Operation: 32-13=19 Exploring Operation: 74-13=61, Resulting Numbers: [32, 61] Generated Node #0,0,3: 60:[32, 61] Operation: 74-13=61 Exploring Operation: 74-32=42, Resulting Numbers: [13, 42] Generated Node #0,0,4: 60:[13, 42] Operation: 74-32=42 Moving to Node #0,2 Current State: 60:[42, 13, 64], Operations: ['74-10=64'] Exploring Operation: 64-42=22, Resulting Numbers: [13, 22] Generated Node #0,2,0: 60:[13, 22] Operation: 64-42=22 Exploring Operation: 42+13=55, Resulting Numbers: [64, 55] Generated Node #0,2,1: 60:[64, 55] Operation: 42+13=55 Exploring Operation: 64-13=51, Resulting Numbers: [42, 51] Generated Node #0,2,2: 60:[42, 51] Operation: 64-13=51 Exploring Operation: 42-13=29, Resulting Numbers: [64, 29] Generated Node #0,2,3: 60:[64, 29] Operation: 42-13=29 Exploring Operation: 13+64=77, Resulting Numbers: [42, 77] Generated Node #0,2,4: 60:[42, 77] Operation: 13+64=77 Moving to Node #0,0,3 Current State: 60:[32, 61], Operations: ['42-10=32', '74-13=61'] Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 32*61=1952, Resulting Numbers: [1952] 1952,60 unequal: No Solution Exploring Operation: 32+61=93, Resulting Numbers: [93] 93,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[13, 22], Operations: ['74-10=64', '64-42=22'] Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,60 unequal: No Solution Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,60 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,60 unequal: No Solution Moving to Node #0,2,3 Current State: 60:[64, 29], Operations: ['74-10=64', '42-13=29'] Exploring Operation: 64+29=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 64*29=1856, Resulting Numbers: [1856] 1856,60 unequal: No Solution Exploring Operation: 64-29=35, Resulting Numbers: [35] 35,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[64, 55], Operations: ['74-10=64', '42+13=55'] Exploring Operation: 64+55=119, Resulting Numbers: [119] 119,60 unequal: No Solution Exploring Operation: 64*55=3520, Resulting Numbers: [3520] 3520,60 unequal: No Solution Exploring Operation: 64-55=9, Resulting Numbers: [9] 9,60 unequal: No Solution Moving to Node #0,0,4 Current State: 60:[13, 42], Operations: ['42-10=32', '74-32=42'] Exploring Operation: 42-13=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 13+42=55, Resulting Numbers: [55] 55,60 unequal: No Solution Exploring Operation: 13*42=546, Resulting Numbers: [546] 546,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[74, 19], Operations: ['42-10=32', '32-13=19'] Exploring Operation: 74+19=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 74*19=1406, Resulting Numbers: [1406] 1406,60 unequal: No Solution Exploring Operation: 74-19=55, Resulting Numbers: [55] 55,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[42, 51], Operations: ['74-10=64', '64-13=51'] Exploring Operation: 42+51=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 42*51=2142, Resulting Numbers: [2142] 2142,60 unequal: No Solution Exploring Operation: 51-42=9, Resulting Numbers: [9] 9,60 unequal: No Solution Moving to Node #0,2,4 Current State: 60:[42, 77], Operations: ['74-10=64', '13+64=77'] Exploring Operation: 42*77=3234, Resulting Numbers: [3234] 3234,60 unequal: No Solution Exploring Operation: 77-42=35, Resulting Numbers: [35] 35,60 unequal: No Solution Exploring Operation: 42+77=119, Resulting Numbers: [119] 119,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[32, 87], Operations: ['42-10=32', '74+13=87'] Exploring Operation: 87-32=55, Resulting Numbers: [55] 55,60 unequal: No Solution Exploring Operation: 32*87=2784, Resulting Numbers: [2784] 2784,60 unequal: No Solution Exploring Operation: 32+87=119, Resulting Numbers: [119] 119,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[74, 45], Operations: ['42-10=32', '13+32=45'] Exploring Operation: 74-45=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 74*45=3330, Resulting Numbers: [3330] 3330,60 unequal: No Solution Exploring Operation: 74+45=119, Resulting Numbers: [119] 119,60 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 29, 73, 49, 47 ]
88
[ "73-29=44", "49-47=2", "44*2=88" ]
Current State: 88:[29, 73, 49, 47], Operations: [] Exploring Operation: 73-29=44, Resulting Numbers: [49, 47, 44] Generated Node #2: [49, 47, 44] from Operation: 73-29=44 Current State: 88:[49, 47, 44], Operations: ['73-29=44'] Exploring Operation: 49-47=2, Resulting Numbers: [44, 2] Generated Node #3: [44, 2] from Operation: 49-47=2 Current State: 88:[44, 2], Operations: ['73-29=44', '49-47=2'] Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[29, 73, 49, 47], Operations: [] Exploring Operation: 73-29=44, Resulting Numbers: [49, 47, 44] Generated Node #0,0: 88:[49, 47, 44] Operation: 73-29=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[49, 47, 44], Operations: ['73-29=44'] Exploring Operation: 49-47=2, Resulting Numbers: [44, 2] Generated Node #0,0,0: 88:[44, 2] Operation: 49-47=2 Moving to Node #0,0,0 Current State: 88:[44, 2], Operations: ['73-29=44', '49-47=2'] Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[29, 73, 49, 47], Operations: [] Exploring Operation: 73-29=44, Resulting Numbers: [49, 47, 44] Generated Node #0,0: 88:[49, 47, 44] Operation: 73-29=44 Moving to Node #0,0 Current State: 88:[49, 47, 44], Operations: ['73-29=44'] Exploring Operation: 49-47=2, Resulting Numbers: [44, 2] Generated Node #0,0,0: 88:[44, 2] Operation: 49-47=2 Moving to Node #0,0,0 Current State: 88:[44, 2], Operations: ['73-29=44', '49-47=2'] Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 8, 28, 52, 54 ]
10
[ "28-8=20", "54-52=2", "20/2=10" ]
Current State: 10:[8, 28, 52, 54], Operations: [] Exploring Operation: 28-8=20, Resulting Numbers: [52, 54, 20] Generated Node #2: [52, 54, 20] from Operation: 28-8=20 Current State: 10:[52, 54, 20], Operations: ['28-8=20'] Exploring Operation: 54-52=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 54-52=2 Current State: 10:[20, 2], Operations: ['28-8=20', '54-52=2'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[8, 28, 52, 54], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [8, 28, 2] Generated Node #0,0: 10:[8, 28, 2] Operation: 54-52=2 Exploring Operation: 52-28=24, Resulting Numbers: [8, 54, 24] Generated Node #0,1: 10:[8, 54, 24] Operation: 52-28=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[8, 28, 2], Operations: ['54-52=2'] Exploring Operation: 28-8=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 10:[2, 20] Operation: 28-8=20 Exploring Operation: 28/2=14, Resulting Numbers: [8, 14] Generated Node #0,0,1: 10:[8, 14] Operation: 28/2=14 Moving to Node #0,0,1 Current State: 10:[8, 14], Operations: ['54-52=2', '28/2=14'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[2, 20], Operations: ['54-52=2', '28-8=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[8, 28, 52, 54], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [8, 28, 2] Generated Node #0,0: 10:[8, 28, 2] Operation: 54-52=2 Moving to Node #0,0 Current State: 10:[8, 28, 2], Operations: ['54-52=2'] Exploring Operation: 28-8=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 10:[2, 20] Operation: 28-8=20 Moving to Node #0,0,0 Current State: 10:[2, 20], Operations: ['54-52=2', '28-8=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 34, 68, 52, 81 ]
23
[ "68/34=2", "52*2=104", "104-81=23" ]
Current State: 23:[34, 68, 52, 81], Operations: [] Exploring Operation: 68/34=2, Resulting Numbers: [52, 81, 2] Generated Node #2: [52, 81, 2] from Operation: 68/34=2 Current State: 23:[52, 81, 2], Operations: ['68/34=2'] Exploring Operation: 52*2=104, Resulting Numbers: [81, 104] Generated Node #3: [81, 104] from Operation: 52*2=104 Current State: 23:[81, 104], Operations: ['68/34=2', '52*2=104'] Exploring Operation: 104-81=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[34, 68, 52, 81], Operations: [] Exploring Operation: 81-68=13, Resulting Numbers: [34, 52, 13] Generated Node #0,0: 23:[34, 52, 13] Operation: 81-68=13 Exploring Operation: 81-34=47, Resulting Numbers: [68, 52, 47] Generated Node #0,1: 23:[68, 52, 47] Operation: 81-34=47 Exploring Operation: 81-52=29, Resulting Numbers: [34, 68, 29] Generated Node #0,2: 23:[34, 68, 29] Operation: 81-52=29 Exploring Operation: 68-52=16, Resulting Numbers: [34, 81, 16] Generated Node #0,3: 23:[34, 81, 16] Operation: 68-52=16 Exploring Operation: 68-34=34, Resulting Numbers: [52, 81, 34] Generated Node #0,4: 23:[52, 81, 34] Operation: 68-34=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[34, 52, 13], Operations: ['81-68=13'] Exploring Operation: 52-13=39, Resulting Numbers: [34, 39] Generated Node #0,0,0: 23:[34, 39] Operation: 52-13=39 Exploring Operation: 52-34=18, Resulting Numbers: [13, 18] Generated Node #0,0,1: 23:[13, 18] Operation: 52-34=18 Exploring Operation: 52/13=4, Resulting Numbers: [34, 4] Generated Node #0,0,2: 23:[34, 4] Operation: 52/13=4 Exploring Operation: 34+13=47, Resulting Numbers: [52, 47] Generated Node #0,0,3: 23:[52, 47] Operation: 34+13=47 Exploring Operation: 34-13=21, Resulting Numbers: [52, 21] Generated Node #0,0,4: 23:[52, 21] Operation: 34-13=21 Moving to Node #0,0,1 Current State: 23:[13, 18], Operations: ['81-68=13', '52-34=18'] Exploring Operation: 13*18=234, Resulting Numbers: [234] 234,23 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 13+18=31, Resulting Numbers: [31] 31,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[34, 39], Operations: ['81-68=13', '52-13=39'] Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 34*39=1326, Resulting Numbers: [1326] 1326,23 unequal: No Solution Exploring Operation: 34+39=73, Resulting Numbers: [73] 73,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[34, 4], Operations: ['81-68=13', '52/13=4'] Exploring Operation: 34*4=136, Resulting Numbers: [136] 136,23 unequal: No Solution Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,23 unequal: No Solution Moving to Node #0,0,4 Current State: 23:[52, 21], Operations: ['81-68=13', '34-13=21'] Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,23 unequal: No Solution Exploring Operation: 52*21=1092, Resulting Numbers: [1092] 1092,23 unequal: No Solution Moving to Node #0,0,3 Current State: 23:[52, 47], Operations: ['81-68=13', '34+13=47'] Exploring Operation: 52*47=2444, Resulting Numbers: [2444] 2444,23 unequal: No Solution Exploring Operation: 52-47=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 52+47=99, Resulting Numbers: [99] 99,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[34, 68, 29], Operations: ['81-52=29'] Exploring Operation: 34+68=102, Resulting Numbers: [29, 102] Generated Node #0,2,0: 23:[29, 102] Operation: 34+68=102 Exploring Operation: 68-34=34, Resulting Numbers: [29, 34] Generated Node #0,2,1: 23:[29, 34] Operation: 68-34=34 Exploring Operation: 68/34=2, Resulting Numbers: [29, 2] Generated Node #0,2,2: 23:[29, 2] Operation: 68/34=2 Exploring Operation: 34-29=5, Resulting Numbers: [68, 5] Generated Node #0,2,3: 23:[68, 5] Operation: 34-29=5 Exploring Operation: 68-29=39, Resulting Numbers: [34, 39] Generated Node #0,2,4: 23:[34, 39] Operation: 68-29=39 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 23:[29, 34], Operations: ['81-52=29', '68-34=34'] Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 29*34=986, Resulting Numbers: [986] 986,23 unequal: No Solution Exploring Operation: 29+34=63, Resulting Numbers: [63] 63,23 unequal: No Solution No 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: 23:[29, 2], Operations: ['81-52=29', '68/34=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,23 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,23 unequal: No Solution No 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: 23:[34, 39], Operations: ['81-52=29', '68-29=39'] Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 34+39=73, Resulting Numbers: [73] 73,23 unequal: No Solution Exploring Operation: 34*39=1326, Resulting Numbers: [1326] 1326,23 unequal: No Solution No 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: 23:[68, 5], Operations: ['81-52=29', '34-29=5'] Exploring Operation: 68*5=340, Resulting Numbers: [340] 340,23 unequal: No Solution Exploring Operation: 68+5=73, Resulting Numbers: [73] 73,23 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,23 unequal: No Solution No 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: 23:[29, 102], Operations: ['81-52=29', '34+68=102'] Exploring Operation: 29+102=131, Resulting Numbers: [131] 131,23 unequal: No Solution Exploring Operation: 29*102=2958, Resulting Numbers: [2958] 2958,23 unequal: No Solution Exploring Operation: 102-29=73, Resulting Numbers: [73] 73,23 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: 23:[34, 81, 16], Operations: ['68-52=16'] Exploring Operation: 81+16=97, Resulting Numbers: [34, 97] Generated Node #0,3,0: 23:[34, 97] Operation: 81+16=97 Exploring Operation: 81-16=65, Resulting Numbers: [34, 65] Generated Node #0,3,1: 23:[34, 65] Operation: 81-16=65 Exploring Operation: 34-16=18, Resulting Numbers: [81, 18] Generated Node #0,3,2: 23:[81, 18] Operation: 34-16=18 Exploring Operation: 81-34=47, Resulting Numbers: [16, 47] Generated Node #0,3,3: 23:[16, 47] Operation: 81-34=47 Exploring Operation: 34+16=50, Resulting Numbers: [81, 50] Generated Node #0,3,4: 23:[81, 50] Operation: 34+16=50 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 23:[16, 47], Operations: ['68-52=16', '81-34=47'] Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,23 unequal: No Solution Exploring Operation: 16*47=752, Resulting Numbers: [752] 752,23 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,23 unequal: No Solution No 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: 23:[34, 65], Operations: ['68-52=16', '81-16=65'] Exploring Operation: 65-34=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 34+65=99, Resulting Numbers: [99] 99,23 unequal: No Solution Exploring Operation: 34*65=2210, Resulting Numbers: [2210] 2210,23 unequal: No Solution No 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: 23:[81, 18], Operations: ['68-52=16', '34-16=18'] Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,23 unequal: No Solution Exploring Operation: 81*18=1458, Resulting Numbers: [1458] 1458,23 unequal: No Solution Exploring Operation: 81+18=99, Resulting Numbers: [99] 99,23 unequal: No Solution No 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: 23:[34, 97], Operations: ['68-52=16', '81+16=97'] Exploring Operation: 34+97=131, Resulting Numbers: [131] 131,23 unequal: No Solution Exploring Operation: 34*97=3298, Resulting Numbers: [3298] 3298,23 unequal: No Solution Exploring Operation: 97-34=63, Resulting Numbers: [63] 63,23 unequal: No Solution No 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: 23:[81, 50], Operations: ['68-52=16', '34+16=50'] Exploring Operation: 81+50=131, Resulting Numbers: [131] 131,23 unequal: No Solution Exploring Operation: 81*50=4050, Resulting Numbers: [4050] 4050,23 unequal: No Solution Exploring Operation: 81-50=31, Resulting Numbers: [31] 31,23 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: 23:[68, 52, 47], Operations: ['81-34=47'] Exploring Operation: 68+47=115, Resulting Numbers: [52, 115] Generated Node #0,1,0: 23:[52, 115] Operation: 68+47=115 Exploring Operation: 68+52=120, Resulting Numbers: [47, 120] Generated Node #0,1,1: 23:[47, 120] Operation: 68+52=120 Exploring Operation: 52-47=5, Resulting Numbers: [68, 5] Generated Node #0,1,2: 23:[68, 5] Operation: 52-47=5 Exploring Operation: 68-47=21, Resulting Numbers: [52, 21] Generated Node #0,1,3: 23:[52, 21] Operation: 68-47=21 Exploring Operation: 68-52=16, Resulting Numbers: [47, 16] Generated Node #0,1,4: 23:[47, 16] Operation: 68-52=16 Moving to Node #0,1,3 Current State: 23:[52, 21], Operations: ['81-34=47', '68-47=21'] Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 52+21=73, Resulting Numbers: [73] 73,23 unequal: No Solution Exploring Operation: 52*21=1092, Resulting Numbers: [1092] 1092,23 unequal: No Solution Moving to Node #0,1,4 Current State: 23:[47, 16], Operations: ['81-34=47', '68-52=16'] Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 47+16=63, Resulting Numbers: [63] 63,23 unequal: No Solution Exploring Operation: 47*16=752, Resulting Numbers: [752] 752,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[68, 5], Operations: ['81-34=47', '52-47=5'] Exploring Operation: 68*5=340, Resulting Numbers: [340] 340,23 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,23 unequal: No Solution Exploring Operation: 68+5=73, Resulting Numbers: [73] 73,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[52, 115], Operations: ['81-34=47', '68+47=115'] Exploring Operation: 115-52=63, Resulting Numbers: [63] 63,23 unequal: No Solution Exploring Operation: 52+115=167, Resulting Numbers: [167] 167,23 unequal: No Solution Exploring Operation: 52*115=5980, Resulting Numbers: [5980] 5980,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[47, 120], Operations: ['81-34=47', '68+52=120'] Exploring Operation: 47+120=167, Resulting Numbers: [167] 167,23 unequal: No Solution Exploring Operation: 120-47=73, Resulting Numbers: [73] 73,23 unequal: No Solution Exploring Operation: 47*120=5640, Resulting Numbers: [5640] 5640,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 23:[52, 81, 34], Operations: ['68-34=34'] Exploring Operation: 52+81=133, Resulting Numbers: [34, 133] Generated Node #0,4,0: 23:[34, 133] Operation: 52+81=133 Exploring Operation: 81-52=29, Resulting Numbers: [34, 29] Generated Node #0,4,1: 23:[34, 29] Operation: 81-52=29 Exploring Operation: 52+34=86, Resulting Numbers: [81, 86] Generated Node #0,4,2: 23:[81, 86] Operation: 52+34=86 Exploring Operation: 52-34=18, Resulting Numbers: [81, 18] Generated Node #0,4,3: 23:[81, 18] Operation: 52-34=18 Exploring Operation: 81-34=47, Resulting Numbers: [52, 47] Generated Node #0,4,4: 23:[52, 47] Operation: 81-34=47 Moving to Node #0,4,1 Current State: 23:[34, 29], Operations: ['68-34=34', '81-52=29'] Exploring Operation: 34*29=986, Resulting Numbers: [986] 986,23 unequal: No Solution Exploring Operation: 34+29=63, Resulting Numbers: [63] 63,23 unequal: No Solution Exploring Operation: 34-29=5, Resulting Numbers: [5] 5,23 unequal: No Solution Moving to Node #0,4,4 Current State: 23:[52, 47], Operations: ['68-34=34', '81-34=47'] Exploring Operation: 52+47=99, Resulting Numbers: [99] 99,23 unequal: No Solution Exploring Operation: 52-47=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 52*47=2444, Resulting Numbers: [2444] 2444,23 unequal: No Solution Moving to Node #0,4,3 Current State: 23:[81, 18], Operations: ['68-34=34', '52-34=18'] Exploring Operation: 81+18=99, Resulting Numbers: [99] 99,23 unequal: No Solution Exploring Operation: 81*18=1458, Resulting Numbers: [1458] 1458,23 unequal: No Solution Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,23 unequal: No Solution Moving to Node #0,4,0 Current State: 23:[34, 133], Operations: ['68-34=34', '52+81=133'] Exploring Operation: 34*133=4522, Resulting Numbers: [4522] 4522,23 unequal: No Solution Exploring Operation: 133-34=99, Resulting Numbers: [99] 99,23 unequal: No Solution Exploring Operation: 34+133=167, Resulting Numbers: [167] 167,23 unequal: No Solution Moving to Node #0,4,2 Current State: 23:[81, 86], Operations: ['68-34=34', '52+34=86'] Exploring Operation: 81*86=6966, Resulting Numbers: [6966] 6966,23 unequal: No Solution Exploring Operation: 86-81=5, Resulting Numbers: [5] 5,23 unequal: No Solution Exploring Operation: 81+86=167, Resulting Numbers: [167] 167,23 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
[ 7, 99, 27, 1 ]
18
[ "7*1=7", "99+27=126", "126/7=18" ]
Current State: 18:[7, 99, 27, 1], Operations: [] Exploring Operation: 7*1=7, Resulting Numbers: [99, 27, 7] Generated Node #2: [99, 27, 7] from Operation: 7*1=7 Current State: 18:[99, 27, 7], Operations: ['7*1=7'] Exploring Operation: 99+27=126, Resulting Numbers: [7, 126] Generated Node #3: [7, 126] from Operation: 99+27=126 Current State: 18:[7, 126], Operations: ['7*1=7', '99+27=126'] Exploring Operation: 126/7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[7, 99, 27, 1], Operations: [] Exploring Operation: 99-7=92, Resulting Numbers: [27, 1, 92] Generated Node #0,0: 18:[27, 1, 92] Operation: 99-7=92 Exploring Operation: 27-7=20, Resulting Numbers: [99, 1, 20] Generated Node #0,1: 18:[99, 1, 20] Operation: 27-7=20 Exploring Operation: 99-27=72, Resulting Numbers: [7, 1, 72] Generated Node #0,2: 18:[7, 1, 72] Operation: 99-27=72 Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[7, 1, 72], Operations: ['99-27=72'] Exploring Operation: 72-7=65, Resulting Numbers: [1, 65] Generated Node #0,2,0: 18:[1, 65] Operation: 72-7=65 Exploring Operation: 72-1=71, Resulting Numbers: [7, 71] Generated Node #0,2,1: 18:[7, 71] Operation: 72-1=71 Exploring Operation: 7-1=6, Resulting Numbers: [72, 6] Generated Node #0,2,2: 18:[72, 6] Operation: 7-1=6 Moving to Node #0,2,0 Current State: 18:[1, 65], Operations: ['99-27=72', '72-7=65'] Exploring Operation: 1*65=65, Resulting Numbers: [65] 65,18 unequal: No Solution Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,18 unequal: No Solution Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[7, 71], Operations: ['99-27=72', '72-1=71'] Exploring Operation: 7+71=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,18 unequal: No Solution Exploring Operation: 7*71=497, Resulting Numbers: [497] 497,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[72, 6], Operations: ['99-27=72', '7-1=6'] Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,18 unequal: No Solution Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,18 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 #0,0 Current State: 18:[27, 1, 92], Operations: ['99-7=92'] Exploring Operation: 27-1=26, Resulting Numbers: [92, 26] Generated Node #0,0,0: 18:[92, 26] Operation: 27-1=26 Exploring Operation: 92-1=91, Resulting Numbers: [27, 91] Generated Node #0,0,1: 18:[27, 91] Operation: 92-1=91 Exploring Operation: 92-27=65, Resulting Numbers: [1, 65] Generated Node #0,0,2: 18:[1, 65] Operation: 92-27=65 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 18:[1, 65], Operations: ['99-7=92', '92-27=65'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,18 unequal: No Solution Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,18 unequal: No Solution Exploring Operation: 1*65=65, Resulting Numbers: [65] 65,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[92, 26], Operations: ['99-7=92', '27-1=26'] Exploring Operation: 92-26=66, Resulting Numbers: [66] 66,18 unequal: No Solution Exploring Operation: 92*26=2392, Resulting Numbers: [2392] 2392,18 unequal: No Solution Exploring Operation: 92+26=118, Resulting Numbers: [118] 118,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 18:[27, 91], Operations: ['99-7=92', '92-1=91'] Exploring Operation: 27+91=118, Resulting Numbers: [118] 118,18 unequal: No Solution Exploring Operation: 91-27=64, Resulting Numbers: [64] 64,18 unequal: No Solution Exploring Operation: 27*91=2457, Resulting Numbers: [2457] 2457,18 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: 18:[99, 1, 20], Operations: ['27-7=20'] Exploring Operation: 20-1=19, Resulting Numbers: [99, 19] Generated Node #0,1,0: 18:[99, 19] Operation: 20-1=19 Exploring Operation: 99-1=98, Resulting Numbers: [20, 98] Generated Node #0,1,1: 18:[20, 98] Operation: 99-1=98 Exploring Operation: 99-20=79, Resulting Numbers: [1, 79] Generated Node #0,1,2: 18:[1, 79] Operation: 99-20=79 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 18:[1, 79], Operations: ['27-7=20', '99-20=79'] Exploring Operation: 1*79=79, Resulting Numbers: [79] 79,18 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,18 unequal: No Solution Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 18:[99, 19], Operations: ['27-7=20', '20-1=19'] Exploring Operation: 99-19=80, Resulting Numbers: [80] 80,18 unequal: No Solution Exploring Operation: 99+19=118, Resulting Numbers: [118] 118,18 unequal: No Solution Exploring Operation: 99*19=1881, Resulting Numbers: [1881] 1881,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 18:[20, 98], Operations: ['27-7=20', '99-1=98'] Exploring Operation: 20*98=1960, Resulting Numbers: [1960] 1960,18 unequal: No Solution Exploring Operation: 20+98=118, Resulting Numbers: [118] 118,18 unequal: No Solution Exploring Operation: 98-20=78, Resulting Numbers: [78] 78,18 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
[ 78, 93, 83, 87 ]
90
[ "87-78=9", "93-83=10", "9*10=90" ]
Current State: 90:[78, 93, 83, 87], Operations: [] Exploring Operation: 87-78=9, Resulting Numbers: [93, 83, 9] Generated Node #2: [93, 83, 9] from Operation: 87-78=9 Current State: 90:[93, 83, 9], Operations: ['87-78=9'] Exploring Operation: 93-83=10, Resulting Numbers: [9, 10] Generated Node #3: [9, 10] from Operation: 93-83=10 Current State: 90:[9, 10], Operations: ['87-78=9', '93-83=10'] Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[78, 93, 83, 87], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [93, 87, 5] Generated Node #0,0: 90:[93, 87, 5] Operation: 83-78=5 Moving to Node #0,0 Current State: 90:[93, 87, 5], Operations: ['83-78=5'] Exploring Operation: 93-87=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 90:[5, 6] Operation: 93-87=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[5, 6], Operations: ['83-78=5', '93-87=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,90 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
[ 83, 81, 30, 71 ]
43
[ "83-81=2", "71-30=41", "2+41=43" ]
Current State: 43:[83, 81, 30, 71], Operations: [] Exploring Operation: 83-81=2, Resulting Numbers: [30, 71, 2] Generated Node #2: [30, 71, 2] from Operation: 83-81=2 Current State: 43:[30, 71, 2], Operations: ['83-81=2'] Exploring Operation: 71-30=41, Resulting Numbers: [2, 41] Generated Node #3: [2, 41] from Operation: 71-30=41 Current State: 43:[2, 41], Operations: ['83-81=2', '71-30=41'] Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[83, 81, 30, 71], Operations: [] Exploring Operation: 83-71=12, Resulting Numbers: [81, 30, 12] Generated Node #0,0: 43:[81, 30, 12] Operation: 83-71=12 Exploring Operation: 83-30=53, Resulting Numbers: [81, 71, 53] Generated Node #0,1: 43:[81, 71, 53] Operation: 83-30=53 Exploring Operation: 81-30=51, Resulting Numbers: [83, 71, 51] Generated Node #0,2: 43:[83, 71, 51] Operation: 81-30=51 Exploring Operation: 83-81=2, Resulting Numbers: [30, 71, 2] Generated Node #0,3: 43:[30, 71, 2] Operation: 83-81=2 Exploring Operation: 71-30=41, Resulting Numbers: [83, 81, 41] Generated Node #0,4: 43:[83, 81, 41] Operation: 71-30=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[81, 71, 53], Operations: ['83-30=53'] Exploring Operation: 81-71=10, Resulting Numbers: [53, 10] Generated Node #0,1,0: 43:[53, 10] Operation: 81-71=10 Exploring Operation: 81-53=28, Resulting Numbers: [71, 28] Generated Node #0,1,1: 43:[71, 28] Operation: 81-53=28 Exploring Operation: 81+53=134, Resulting Numbers: [71, 134] Generated Node #0,1,2: 43:[71, 134] Operation: 81+53=134 Exploring Operation: 81+71=152, Resulting Numbers: [53, 152] Generated Node #0,1,3: 43:[53, 152] Operation: 81+71=152 Exploring Operation: 71-53=18, Resulting Numbers: [81, 18] Generated Node #0,1,4: 43:[81, 18] Operation: 71-53=18 Moving to Node #0,1,0 Current State: 43:[53, 10], Operations: ['83-30=53', '81-71=10'] Exploring Operation: 53*10=530, Resulting Numbers: [530] 530,43 unequal: No Solution Exploring Operation: 53+10=63, Resulting Numbers: [63] 63,43 unequal: No Solution Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Moving to Node #0 Current State: 43:[83, 81, 30, 71], Operations: [] Exploring Operation: 83-30=53, Resulting Numbers: [81, 71, 53] Generated Node #0,1: 43:[81, 71, 53] Operation: 83-30=53 Moving to Node #0,1 Current State: 43:[81, 71, 53], Operations: ['83-30=53'] Exploring Operation: 81-71=10, Resulting Numbers: [53, 10] Generated Node #0,1,0: 43:[53, 10] Operation: 81-71=10 Moving to Node #0,1,0 Current State: 43:[53, 10], Operations: ['83-30=53', '81-71=10'] Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,43 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 18, 5, 27, 75 ]
71
[ "18+5=23", "75-27=48", "23+48=71" ]
Current State: 71:[18, 5, 27, 75], Operations: [] Exploring Operation: 18+5=23, Resulting Numbers: [27, 75, 23] Generated Node #2: [27, 75, 23] from Operation: 18+5=23 Current State: 71:[27, 75, 23], Operations: ['18+5=23'] Exploring Operation: 75-27=48, Resulting Numbers: [23, 48] Generated Node #3: [23, 48] from Operation: 75-27=48 Current State: 71:[23, 48], Operations: ['18+5=23', '75-27=48'] Exploring Operation: 23+48=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[18, 5, 27, 75], Operations: [] Exploring Operation: 18+27=45, Resulting Numbers: [5, 75, 45] Generated Node #0,0: 71:[5, 75, 45] Operation: 18+27=45 Exploring Operation: 5+27=32, Resulting Numbers: [18, 75, 32] Generated Node #0,1: 71:[18, 75, 32] Operation: 5+27=32 Exploring Operation: 18+5=23, Resulting Numbers: [27, 75, 23] Generated Node #0,2: 71:[27, 75, 23] Operation: 18+5=23 Exploring Operation: 18*5=90, Resulting Numbers: [27, 75, 90] Generated Node #0,3: 71:[27, 75, 90] Operation: 18*5=90 Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[27, 75, 90], Operations: ['18*5=90'] Exploring Operation: 27+90=117, Resulting Numbers: [75, 117] Generated Node #0,3,0: 71:[75, 117] Operation: 27+90=117 Exploring Operation: 75-27=48, Resulting Numbers: [90, 48] Generated Node #0,3,1: 71:[90, 48] Operation: 75-27=48 Exploring Operation: 90-27=63, Resulting Numbers: [75, 63] Generated Node #0,3,2: 71:[75, 63] Operation: 90-27=63 Exploring Operation: 27+75=102, Resulting Numbers: [90, 102] Generated Node #0,3,3: 71:[90, 102] Operation: 27+75=102 Moving to Node #0,3,2 Current State: 71:[75, 63], Operations: ['18*5=90', '90-27=63'] Exploring Operation: 75-63=12, Resulting Numbers: [12] 12,71 unequal: No Solution Exploring Operation: 75*63=4725, Resulting Numbers: [4725] 4725,71 unequal: No Solution Exploring Operation: 75+63=138, Resulting Numbers: [138] 138,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[90, 48], Operations: ['18*5=90', '75-27=48'] Exploring Operation: 90*48=4320, Resulting Numbers: [4320] 4320,71 unequal: No Solution Exploring Operation: 90-48=42, Resulting Numbers: [42] 42,71 unequal: No Solution Exploring Operation: 90+48=138, Resulting Numbers: [138] 138,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[90, 102], Operations: ['18*5=90', '27+75=102'] Exploring Operation: 102-90=12, Resulting Numbers: [12] 12,71 unequal: No Solution Exploring Operation: 90*102=9180, Resulting Numbers: [9180] 9180,71 unequal: No Solution Exploring Operation: 90+102=192, Resulting Numbers: [192] 192,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[75, 117], Operations: ['18*5=90', '27+90=117'] Exploring Operation: 75+117=192, Resulting Numbers: [192] 192,71 unequal: No Solution Exploring Operation: 75*117=8775, Resulting Numbers: [8775] 8775,71 unequal: No Solution Exploring Operation: 117-75=42, Resulting Numbers: [42] 42,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[5, 75, 45], Operations: ['18+27=45'] Exploring Operation: 75-5=70, Resulting Numbers: [45, 70] Generated Node #0,0,0: 71:[45, 70] Operation: 75-5=70 Exploring Operation: 45-5=40, Resulting Numbers: [75, 40] Generated Node #0,0,1: 71:[75, 40] Operation: 45-5=40 Exploring Operation: 5+75=80, Resulting Numbers: [45, 80] Generated Node #0,0,2: 71:[45, 80] Operation: 5+75=80 Exploring Operation: 5+45=50, Resulting Numbers: [75, 50] Generated Node #0,0,3: 71:[75, 50] Operation: 5+45=50 Moving to Node #0,0,3 Current State: 71:[75, 50], Operations: ['18+27=45', '5+45=50'] Exploring Operation: 75+50=125, Resulting Numbers: [125] 125,71 unequal: No Solution Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 75*50=3750, Resulting Numbers: [3750] 3750,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[45, 70], Operations: ['18+27=45', '75-5=70'] Exploring Operation: 70-45=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 45+70=115, Resulting Numbers: [115] 115,71 unequal: No Solution Exploring Operation: 45*70=3150, Resulting Numbers: [3150] 3150,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[45, 80], Operations: ['18+27=45', '5+75=80'] Exploring Operation: 45+80=125, Resulting Numbers: [125] 125,71 unequal: No Solution Exploring Operation: 45*80=3600, Resulting Numbers: [3600] 3600,71 unequal: No Solution Exploring Operation: 80-45=35, Resulting Numbers: [35] 35,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[75, 40], Operations: ['18+27=45', '45-5=40'] Exploring Operation: 75-40=35, Resulting Numbers: [35] 35,71 unequal: No Solution Exploring Operation: 75*40=3000, Resulting Numbers: [3000] 3000,71 unequal: No Solution Exploring Operation: 75+40=115, Resulting Numbers: [115] 115,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[18, 75, 32], Operations: ['5+27=32'] Exploring Operation: 32-18=14, Resulting Numbers: [75, 14] Generated Node #0,1,0: 71:[75, 14] Operation: 32-18=14 Exploring Operation: 18+32=50, Resulting Numbers: [75, 50] Generated Node #0,1,1: 71:[75, 50] Operation: 18+32=50 Exploring Operation: 18+75=93, Resulting Numbers: [32, 93] Generated Node #0,1,2: 71:[32, 93] Operation: 18+75=93 Exploring Operation: 75-18=57, Resulting Numbers: [32, 57] Generated Node #0,1,3: 71:[32, 57] Operation: 75-18=57 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 71:[75, 50], Operations: ['5+27=32', '18+32=50'] Exploring Operation: 75+50=125, Resulting Numbers: [125] 125,71 unequal: No Solution Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 75*50=3750, Resulting Numbers: [3750] 3750,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 71:[32, 57], Operations: ['5+27=32', '75-18=57'] Exploring Operation: 32+57=89, Resulting Numbers: [89] 89,71 unequal: No Solution Exploring Operation: 32*57=1824, Resulting Numbers: [1824] 1824,71 unequal: No Solution Exploring Operation: 57-32=25, Resulting Numbers: [25] 25,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 71:[75, 14], Operations: ['5+27=32', '32-18=14'] Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,71 unequal: No Solution Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,71 unequal: No Solution Exploring Operation: 75*14=1050, Resulting Numbers: [1050] 1050,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 71:[32, 93], Operations: ['5+27=32', '18+75=93'] Exploring Operation: 32*93=2976, Resulting Numbers: [2976] 2976,71 unequal: No Solution Exploring Operation: 93-32=61, Resulting Numbers: [61] 61,71 unequal: No Solution Exploring Operation: 32+93=125, Resulting Numbers: [125] 125,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[27, 75, 23], Operations: ['18+5=23'] Exploring Operation: 75-27=48, Resulting Numbers: [23, 48] Generated Node #0,2,0: 71:[23, 48] Operation: 75-27=48 Exploring Operation: 27-23=4, Resulting Numbers: [75, 4] Generated Node #0,2,1: 71:[75, 4] Operation: 27-23=4 Exploring Operation: 75-23=52, Resulting Numbers: [27, 52] Generated Node #0,2,2: 71:[27, 52] Operation: 75-23=52 Exploring Operation: 27+23=50, Resulting Numbers: [75, 50] Generated Node #0,2,3: 71:[75, 50] Operation: 27+23=50 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 71:[75, 50], Operations: ['18+5=23', '27+23=50'] Exploring Operation: 75+50=125, Resulting Numbers: [125] 125,71 unequal: No Solution Exploring Operation: 75*50=3750, Resulting Numbers: [3750] 3750,71 unequal: No Solution Exploring Operation: 75-50=25, Resulting Numbers: [25] 25,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[27, 52], Operations: ['18+5=23', '75-23=52'] Exploring Operation: 27*52=1404, Resulting Numbers: [1404] 1404,71 unequal: No Solution Exploring Operation: 27+52=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[23, 48], Operations: ['18+5=23', '75-27=48'] Exploring Operation: 23*48=1104, Resulting Numbers: [1104] 1104,71 unequal: No Solution Exploring Operation: 23+48=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[18, 5, 27, 75], Operations: [] Exploring Operation: 18+5=23, Resulting Numbers: [27, 75, 23] Generated Node #0,2: 71:[27, 75, 23] Operation: 18+5=23 Moving to Node #0,2 Current State: 71:[27, 75, 23], Operations: ['18+5=23'] Exploring Operation: 75-27=48, Resulting Numbers: [23, 48] Generated Node #0,2,0: 71:[23, 48] Operation: 75-27=48 Moving to Node #0,2,0 Current State: 71:[23, 48], Operations: ['18+5=23', '75-27=48'] Exploring Operation: 23+48=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.940972
hs_4
mult_heuristic
[ 46, 4, 88, 34 ]
17
[ "46*34=1564", "4+88=92", "1564/92=17" ]
Current State: 17:[46, 4, 88, 34], Operations: [] Exploring Operation: 46*34=1564, Resulting Numbers: [4, 88, 1564] Generated Node #2: [4, 88, 1564] from Operation: 46*34=1564 Current State: 17:[4, 88, 1564], Operations: ['46*34=1564'] Exploring Operation: 4+88=92, Resulting Numbers: [1564, 92] Generated Node #3: [1564, 92] from Operation: 4+88=92 Current State: 17:[1564, 92], Operations: ['46*34=1564', '4+88=92'] Exploring Operation: 1564/92=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[46, 4, 88, 34], Operations: [] Exploring Operation: 88-46=42, Resulting Numbers: [4, 34, 42] Generated Node #0,0: 17:[4, 34, 42] Operation: 88-46=42 Exploring Operation: 88/4=22, Resulting Numbers: [46, 34, 22] Generated Node #0,1: 17:[46, 34, 22] Operation: 88/4=22 Moving to Node #0,1 Current State: 17:[46, 34, 22], Operations: ['88/4=22'] Exploring Operation: 46-34=12, Resulting Numbers: [22, 12] Generated Node #0,1,0: 17:[22, 12] Operation: 46-34=12 Exploring Operation: 46-22=24, Resulting Numbers: [34, 24] Generated Node #0,1,1: 17:[34, 24] Operation: 46-22=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 17:[22, 12], Operations: ['88/4=22', '46-34=12'] Exploring Operation: 22+12=34, Resulting Numbers: [34] 34,17 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 17:[34, 24], Operations: ['88/4=22', '46-22=24'] Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,17 unequal: No Solution Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,17 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: 17:[4, 34, 42], Operations: ['88-46=42'] Exploring Operation: 34-4=30, Resulting Numbers: [42, 30] Generated Node #0,0,0: 17:[42, 30] Operation: 34-4=30 Exploring Operation: 42-34=8, Resulting Numbers: [4, 8] Generated Node #0,0,1: 17:[4, 8] Operation: 42-34=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[4, 8], Operations: ['88-46=42', '42-34=8'] Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,17 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[42, 30], Operations: ['88-46=42', '34-4=30'] Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,17 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,17 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
[ 36, 13, 52, 95 ]
63
[ "95-36=59", "52/13=4", "59+4=63" ]
Current State: 63:[36, 13, 52, 95], Operations: [] Exploring Operation: 95-36=59, Resulting Numbers: [13, 52, 59] Generated Node #2: [13, 52, 59] from Operation: 95-36=59 Current State: 63:[13, 52, 59], Operations: ['95-36=59'] Exploring Operation: 52/13=4, Resulting Numbers: [59, 4] Generated Node #3: [59, 4] from Operation: 52/13=4 Current State: 63:[59, 4], Operations: ['95-36=59', '52/13=4'] Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[36, 13, 52, 95], Operations: [] Exploring Operation: 95-36=59, Resulting Numbers: [13, 52, 59] Generated Node #0,0: 63:[13, 52, 59] Operation: 95-36=59 Exploring Operation: 36-13=23, Resulting Numbers: [52, 95, 23] Generated Node #0,1: 63:[52, 95, 23] Operation: 36-13=23 Exploring Operation: 95-52=43, Resulting Numbers: [36, 13, 43] Generated Node #0,2: 63:[36, 13, 43] Operation: 95-52=43 Exploring Operation: 52-36=16, Resulting Numbers: [13, 95, 16] Generated Node #0,3: 63:[13, 95, 16] Operation: 52-36=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[13, 52, 59], Operations: ['95-36=59'] Exploring Operation: 13+52=65, Resulting Numbers: [59, 65] Generated Node #0,0,0: 63:[59, 65] Operation: 13+52=65 Exploring Operation: 59-52=7, Resulting Numbers: [13, 7] Generated Node #0,0,1: 63:[13, 7] Operation: 59-52=7 Exploring Operation: 52/13=4, Resulting Numbers: [59, 4] Generated Node #0,0,2: 63:[59, 4] Operation: 52/13=4 Exploring Operation: 13+59=72, Resulting Numbers: [52, 72] Generated Node #0,0,3: 63:[52, 72] Operation: 13+59=72 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 63:[13, 7], Operations: ['95-36=59', '59-52=7'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,63 unequal: No Solution Exploring Operation: 13+7=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 13*7=91, Resulting Numbers: [91] 91,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 63:[59, 4], Operations: ['95-36=59', '52/13=4'] Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[36, 13, 52, 95], Operations: [] Exploring Operation: 95-36=59, Resulting Numbers: [13, 52, 59] Generated Node #0,0: 63:[13, 52, 59] Operation: 95-36=59 Moving to Node #0,0 Current State: 63:[13, 52, 59], Operations: ['95-36=59'] Exploring Operation: 52/13=4, Resulting Numbers: [59, 4] Generated Node #0,0,2: 63:[59, 4] Operation: 52/13=4 Moving to Node #0,0,2 Current State: 63:[59, 4], Operations: ['95-36=59', '52/13=4'] Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 53, 83, 94, 2 ]
26
[ "53+83=136", "136/2=68", "94-68=26" ]
Current State: 26:[53, 83, 94, 2], Operations: [] Exploring Operation: 53+83=136, Resulting Numbers: [94, 2, 136] Generated Node #2: [94, 2, 136] from Operation: 53+83=136 Current State: 26:[94, 2, 136], Operations: ['53+83=136'] Exploring Operation: 136/2=68, Resulting Numbers: [94, 68] Generated Node #3: [94, 68] from Operation: 136/2=68 Current State: 26:[94, 68], Operations: ['53+83=136', '136/2=68'] Exploring Operation: 94-68=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[53, 83, 94, 2], Operations: [] Exploring Operation: 94-53=41, Resulting Numbers: [83, 2, 41] Generated Node #0,0: 26:[83, 2, 41] Operation: 94-53=41 Exploring Operation: 53-2=51, Resulting Numbers: [83, 94, 51] Generated Node #0,1: 26:[83, 94, 51] Operation: 53-2=51 Exploring Operation: 94/2=47, Resulting Numbers: [53, 83, 47] Generated Node #0,2: 26:[53, 83, 47] Operation: 94/2=47 Exploring Operation: 94-83=11, Resulting Numbers: [53, 2, 11] Generated Node #0,3: 26:[53, 2, 11] Operation: 94-83=11 Exploring Operation: 83-53=30, Resulting Numbers: [94, 2, 30] Generated Node #0,4: 26:[94, 2, 30] Operation: 83-53=30 Moving to Node #0,3 Current State: 26:[53, 2, 11], Operations: ['94-83=11'] Exploring Operation: 53-11=42, Resulting Numbers: [2, 42] Generated Node #0,3,0: 26:[2, 42] Operation: 53-11=42 Exploring Operation: 2*11=22, Resulting Numbers: [53, 22] Generated Node #0,3,1: 26:[53, 22] Operation: 2*11=22 Exploring Operation: 53+2=55, Resulting Numbers: [11, 55] Generated Node #0,3,2: 26:[11, 55] Operation: 53+2=55 Exploring Operation: 2+11=13, Resulting Numbers: [53, 13] Generated Node #0,3,3: 26:[53, 13] Operation: 2+11=13 Exploring Operation: 53-2=51, Resulting Numbers: [11, 51] Generated Node #0,3,4: 26:[11, 51] Operation: 53-2=51 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 26:[2, 42], Operations: ['94-83=11', '53-11=42'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,26 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,26 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 26:[53, 13], Operations: ['94-83=11', '2+11=13'] Exploring Operation: 53+13=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,26 unequal: No Solution Exploring Operation: 53*13=689, Resulting Numbers: [689] 689,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 26:[11, 51], Operations: ['94-83=11', '53-2=51'] Exploring Operation: 11*51=561, Resulting Numbers: [561] 561,26 unequal: No Solution Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,26 unequal: No Solution Exploring Operation: 11+51=62, Resulting Numbers: [62] 62,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 26:[53, 22], Operations: ['94-83=11', '2*11=22'] Exploring Operation: 53*22=1166, Resulting Numbers: [1166] 1166,26 unequal: No Solution Exploring Operation: 53-22=31, Resulting Numbers: [31] 31,26 unequal: No Solution Exploring Operation: 53+22=75, Resulting Numbers: [75] 75,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 26:[11, 55], Operations: ['94-83=11', '53+2=55'] Exploring Operation: 11+55=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 11*55=605, Resulting Numbers: [605] 605,26 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,26 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: 26:[94, 2, 30], Operations: ['83-53=30'] Exploring Operation: 94-2=92, Resulting Numbers: [30, 92] Generated Node #0,4,0: 26:[30, 92] Operation: 94-2=92 Exploring Operation: 94/2=47, Resulting Numbers: [30, 47] Generated Node #0,4,1: 26:[30, 47] Operation: 94/2=47 Exploring Operation: 30-2=28, Resulting Numbers: [94, 28] Generated Node #0,4,2: 26:[94, 28] Operation: 30-2=28 Exploring Operation: 30/2=15, Resulting Numbers: [94, 15] Generated Node #0,4,3: 26:[94, 15] Operation: 30/2=15 Exploring Operation: 94-30=64, Resulting Numbers: [2, 64] Generated Node #0,4,4: 26:[2, 64] Operation: 94-30=64 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 26:[30, 47], Operations: ['83-53=30', '94/2=47'] Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 30+47=77, Resulting Numbers: [77] 77,26 unequal: No Solution Exploring Operation: 30*47=1410, Resulting Numbers: [1410] 1410,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 26:[2, 64], Operations: ['83-53=30', '94-30=64'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,26 unequal: No Solution Exploring Operation: 2*64=128, Resulting Numbers: [128] 128,26 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,26 unequal: No Solution Exploring Operation: 2+64=66, Resulting Numbers: [66] 66,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 26:[30, 92], Operations: ['83-53=30', '94-2=92'] Exploring Operation: 30+92=122, Resulting Numbers: [122] 122,26 unequal: No Solution Exploring Operation: 92-30=62, Resulting Numbers: [62] 62,26 unequal: No Solution Exploring Operation: 30*92=2760, Resulting Numbers: [2760] 2760,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 26:[94, 28], Operations: ['83-53=30', '30-2=28'] Exploring Operation: 94-28=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 94+28=122, Resulting Numbers: [122] 122,26 unequal: No Solution Exploring Operation: 94*28=2632, Resulting Numbers: [2632] 2632,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 26:[94, 15], Operations: ['83-53=30', '30/2=15'] Exploring Operation: 94*15=1410, Resulting Numbers: [1410] 1410,26 unequal: No Solution Exploring Operation: 94+15=109, Resulting Numbers: [109] 109,26 unequal: No Solution Exploring Operation: 94-15=79, Resulting Numbers: [79] 79,26 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: 26:[83, 2, 41], Operations: ['94-53=41'] Exploring Operation: 2+41=43, Resulting Numbers: [83, 43] Generated Node #0,0,0: 26:[83, 43] Operation: 2+41=43 Exploring Operation: 83-2=81, Resulting Numbers: [41, 81] Generated Node #0,0,1: 26:[41, 81] Operation: 83-2=81 Exploring Operation: 41-2=39, Resulting Numbers: [83, 39] Generated Node #0,0,2: 26:[83, 39] Operation: 41-2=39 Exploring Operation: 83+2=85, Resulting Numbers: [41, 85] Generated Node #0,0,3: 26:[41, 85] Operation: 83+2=85 Exploring Operation: 83-41=42, Resulting Numbers: [2, 42] Generated Node #0,0,4: 26:[2, 42] Operation: 83-41=42 Moving to Node #0,2 Current State: 26:[53, 83, 47], Operations: ['94/2=47'] Exploring Operation: 83-53=30, Resulting Numbers: [47, 30] Generated Node #0,2,0: 26:[47, 30] Operation: 83-53=30 Exploring Operation: 53+83=136, Resulting Numbers: [47, 136] Generated Node #0,2,1: 26:[47, 136] Operation: 53+83=136 Exploring Operation: 53+47=100, Resulting Numbers: [83, 100] Generated Node #0,2,2: 26:[83, 100] Operation: 53+47=100 Exploring Operation: 83-47=36, Resulting Numbers: [53, 36] Generated Node #0,2,3: 26:[53, 36] Operation: 83-47=36 Exploring Operation: 53-47=6, Resulting Numbers: [83, 6] Generated Node #0,2,4: 26:[83, 6] Operation: 53-47=6 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 26:[47, 30], Operations: ['94/2=47', '83-53=30'] Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 47+30=77, Resulting Numbers: [77] 77,26 unequal: No Solution Exploring Operation: 47*30=1410, Resulting Numbers: [1410] 1410,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 26:[53, 36], Operations: ['94/2=47', '83-47=36'] Exploring Operation: 53+36=89, Resulting Numbers: [89] 89,26 unequal: No Solution Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 53*36=1908, Resulting Numbers: [1908] 1908,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 26:[83, 6], Operations: ['94/2=47', '53-47=6'] Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,26 unequal: No Solution Exploring Operation: 83*6=498, Resulting Numbers: [498] 498,26 unequal: No Solution Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 26:[47, 136], Operations: ['94/2=47', '53+83=136'] Exploring Operation: 136-47=89, Resulting Numbers: [89] 89,26 unequal: No Solution Exploring Operation: 47*136=6392, Resulting Numbers: [6392] 6392,26 unequal: No Solution Exploring Operation: 47+136=183, Resulting Numbers: [183] 183,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 26:[83, 100], Operations: ['94/2=47', '53+47=100'] Exploring Operation: 83*100=8300, Resulting Numbers: [8300] 8300,26 unequal: No Solution Exploring Operation: 100-83=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 83+100=183, Resulting Numbers: [183] 183,26 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: 26:[83, 94, 51], Operations: ['53-2=51'] Exploring Operation: 83-51=32, Resulting Numbers: [94, 32] Generated Node #0,1,0: 26:[94, 32] Operation: 83-51=32 Exploring Operation: 94-83=11, Resulting Numbers: [51, 11] Generated Node #0,1,1: 26:[51, 11] Operation: 94-83=11 Exploring Operation: 83+94=177, Resulting Numbers: [51, 177] Generated Node #0,1,2: 26:[51, 177] Operation: 83+94=177 Exploring Operation: 83+51=134, Resulting Numbers: [94, 134] Generated Node #0,1,3: 26:[94, 134] Operation: 83+51=134 Exploring Operation: 94-51=43, Resulting Numbers: [83, 43] Generated Node #0,1,4: 26:[83, 43] Operation: 94-51=43 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[51, 11], Operations: ['53-2=51', '94-83=11'] Exploring Operation: 51-11=40, Resulting Numbers: [40] 40,26 unequal: No Solution Exploring Operation: 51*11=561, Resulting Numbers: [561] 561,26 unequal: No Solution Exploring Operation: 51+11=62, Resulting Numbers: [62] 62,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[94, 32], Operations: ['53-2=51', '83-51=32'] Exploring Operation: 94+32=126, Resulting Numbers: [126] 126,26 unequal: No Solution Exploring Operation: 94*32=3008, Resulting Numbers: [3008] 3008,26 unequal: No Solution Exploring Operation: 94-32=62, Resulting Numbers: [62] 62,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 26:[83, 43], Operations: ['53-2=51', '94-51=43'] Exploring Operation: 83-43=40, Resulting Numbers: [40] 40,26 unequal: No Solution Exploring Operation: 83*43=3569, Resulting Numbers: [3569] 3569,26 unequal: No Solution Exploring Operation: 83+43=126, Resulting Numbers: [126] 126,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 26:[51, 177], Operations: ['53-2=51', '83+94=177'] Exploring Operation: 51*177=9027, Resulting Numbers: [9027] 9027,26 unequal: No Solution Exploring Operation: 51+177=228, Resulting Numbers: [228] 228,26 unequal: No Solution Exploring Operation: 177-51=126, Resulting Numbers: [126] 126,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 26:[94, 134], Operations: ['53-2=51', '83+51=134'] Exploring Operation: 94*134=12596, Resulting Numbers: [12596] 12596,26 unequal: No Solution Exploring Operation: 94+134=228, Resulting Numbers: [228] 228,26 unequal: No Solution Exploring Operation: 134-94=40, Resulting Numbers: [40] 40,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 26:[2, 42], Operations: ['94-53=41', '83-41=42'] Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,26 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,26 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[83, 39], Operations: ['94-53=41', '41-2=39'] Exploring Operation: 83-39=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 83*39=3237, Resulting Numbers: [3237] 3237,26 unequal: No Solution Exploring Operation: 83+39=122, Resulting Numbers: [122] 122,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[41, 81], Operations: ['94-53=41', '83-2=81'] Exploring Operation: 41*81=3321, Resulting Numbers: [3321] 3321,26 unequal: No Solution Exploring Operation: 81-41=40, Resulting Numbers: [40] 40,26 unequal: No Solution Exploring Operation: 41+81=122, Resulting Numbers: [122] 122,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[83, 43], Operations: ['94-53=41', '2+41=43'] Exploring Operation: 83+43=126, Resulting Numbers: [126] 126,26 unequal: No Solution Exploring Operation: 83-43=40, Resulting Numbers: [40] 40,26 unequal: No Solution Exploring Operation: 83*43=3569, Resulting Numbers: [3569] 3569,26 unequal: No Solution Moving to Node #0,0,3 Current State: 26:[41, 85], Operations: ['94-53=41', '83+2=85'] Exploring Operation: 85-41=44, Resulting Numbers: [44] 44,26 unequal: No Solution Exploring Operation: 41*85=3485, Resulting Numbers: [3485] 3485,26 unequal: No Solution Exploring Operation: 41+85=126, Resulting Numbers: [126] 126,26 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 99, 97, 30, 69 ]
84
[ "99-97=2", "30/2=15", "69+15=84" ]
Current State: 84:[99, 97, 30, 69], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [30, 69, 2] Generated Node #2: [30, 69, 2] from Operation: 99-97=2 Current State: 84:[30, 69, 2], Operations: ['99-97=2'] Exploring Operation: 30/2=15, Resulting Numbers: [69, 15] Generated Node #3: [69, 15] from Operation: 30/2=15 Current State: 84:[69, 15], Operations: ['99-97=2', '30/2=15'] Exploring Operation: 69+15=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[99, 97, 30, 69], Operations: [] Exploring Operation: 97-69=28, Resulting Numbers: [99, 30, 28] Generated Node #0,0: 84:[99, 30, 28] Operation: 97-69=28 Exploring Operation: 99-69=30, Resulting Numbers: [97, 30, 30] Generated Node #0,1: 84:[97, 30, 30] Operation: 99-69=30 Exploring Operation: 99-97=2, Resulting Numbers: [30, 69, 2] Generated Node #0,2: 84:[30, 69, 2] Operation: 99-97=2 Moving to Node #0,0 Current State: 84:[99, 30, 28], Operations: ['97-69=28'] Exploring Operation: 99-30=69, Resulting Numbers: [28, 69] Generated Node #0,0,0: 84:[28, 69] Operation: 99-30=69 Exploring Operation: 99-28=71, Resulting Numbers: [30, 71] Generated Node #0,0,1: 84:[30, 71] Operation: 99-28=71 Exploring Operation: 30-28=2, Resulting Numbers: [99, 2] Generated Node #0,0,2: 84:[99, 2] Operation: 30-28=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[28, 69], Operations: ['97-69=28', '99-30=69'] Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 28*69=1932, Resulting Numbers: [1932] 1932,84 unequal: No Solution Exploring Operation: 28+69=97, Resulting Numbers: [97] 97,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[30, 71], Operations: ['97-69=28', '99-28=71'] Exploring Operation: 30*71=2130, Resulting Numbers: [2130] 2130,84 unequal: No Solution Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 30+71=101, Resulting Numbers: [101] 101,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[99, 2], Operations: ['97-69=28', '30-28=2'] Exploring Operation: 99+2=101, Resulting Numbers: [101] 101,84 unequal: No Solution Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,84 unequal: No Solution Exploring Operation: 99*2=198, Resulting Numbers: [198] 198,84 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: 84:[97, 30, 30], Operations: ['99-69=30'] Exploring Operation: 30-30=0, Resulting Numbers: [97, 0] Generated Node #0,1,0: 84:[97, 0] Operation: 30-30=0 Exploring Operation: 30/30=1, Resulting Numbers: [97, 1] Generated Node #0,1,1: 84:[97, 1] Operation: 30/30=1 Exploring Operation: 97-30=67, Resulting Numbers: [30, 67] Generated Node #0,1,2: 84:[30, 67] Operation: 97-30=67 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[97, 1], Operations: ['99-69=30', '30/30=1'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,84 unequal: No Solution Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,84 unequal: No Solution Exploring Operation: 97*1=97, Resulting Numbers: [97] 97,84 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:[97, 0], Operations: ['99-69=30', '30-30=0'] Exploring Operation: 97+0=97, Resulting Numbers: [97] 97,84 unequal: No Solution Exploring Operation: 97*0=0, Resulting Numbers: [0] 0,84 unequal: No Solution Exploring Operation: 97-0=97, Resulting Numbers: [97] 97,84 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 #0,1,2 Current State: 84:[30, 67], Operations: ['99-69=30', '97-30=67'] Exploring Operation: 30*67=2010, Resulting Numbers: [2010] 2010,84 unequal: No Solution Exploring Operation: 30+67=97, Resulting Numbers: [97] 97,84 unequal: No Solution Exploring Operation: 67-30=37, Resulting Numbers: [37] 37,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 84:[30, 69, 2], Operations: ['99-97=2'] Exploring Operation: 69-30=39, Resulting Numbers: [2, 39] Generated Node #0,2,0: 84:[2, 39] Operation: 69-30=39 Exploring Operation: 30+69=99, Resulting Numbers: [2, 99] Generated Node #0,2,1: 84:[2, 99] Operation: 30+69=99 Exploring Operation: 30-2=28, Resulting Numbers: [69, 28] Generated Node #0,2,2: 84:[69, 28] Operation: 30-2=28 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 84:[2, 39], Operations: ['99-97=2', '69-30=39'] Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,84 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 84:[2, 99], Operations: ['99-97=2', '30+69=99'] Exploring Operation: 2+99=101, Resulting Numbers: [101] 101,84 unequal: No Solution Exploring Operation: 2*99=198, Resulting Numbers: [198] 198,84 unequal: No Solution Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,84 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 #0,2,2 Current State: 84:[69, 28], Operations: ['99-97=2', '30-2=28'] Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,84 unequal: No Solution Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,84 unequal: No Solution Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,84 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
[ 15, 9, 2, 40 ]
45
[ "40/2=20", "20-15=5", "9*5=45" ]
Current State: 45:[15, 9, 2, 40], Operations: [] Exploring Operation: 40/2=20, Resulting Numbers: [15, 9, 20] Generated Node #2: [15, 9, 20] from Operation: 40/2=20 Current State: 45:[15, 9, 20], Operations: ['40/2=20'] Exploring Operation: 20-15=5, Resulting Numbers: [9, 5] Generated Node #3: [9, 5] from Operation: 20-15=5 Current State: 45:[9, 5], Operations: ['40/2=20', '20-15=5'] Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[15, 9, 2, 40], Operations: [] Exploring Operation: 2+40=42, Resulting Numbers: [15, 9, 42] Generated Node #0,0: 45:[15, 9, 42] Operation: 2+40=42 Exploring Operation: 9+40=49, Resulting Numbers: [15, 2, 49] Generated Node #0,1: 45:[15, 2, 49] Operation: 9+40=49 Moving to Node #0,0 Current State: 45:[15, 9, 42], Operations: ['2+40=42'] Exploring Operation: 15-9=6, Resulting Numbers: [42, 6] Generated Node #0,0,0: 45:[42, 6] Operation: 15-9=6 Exploring Operation: 9+42=51, Resulting Numbers: [15, 51] Generated Node #0,0,1: 45:[15, 51] Operation: 9+42=51 Moving to Node #0,1 Current State: 45:[15, 2, 49], Operations: ['9+40=49'] Exploring Operation: 15+2=17, Resulting Numbers: [49, 17] Generated Node #0,1,0: 45:[49, 17] Operation: 15+2=17 Exploring Operation: 49-2=47, Resulting Numbers: [15, 47] Generated Node #0,1,1: 45:[15, 47] Operation: 49-2=47 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 45:[15, 47], Operations: ['9+40=49', '49-2=47'] Exploring Operation: 15+47=62, Resulting Numbers: [62] 62,45 unequal: No Solution Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 45:[49, 17], Operations: ['9+40=49', '15+2=17'] Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,45 unequal: No Solution Exploring Operation: 49+17=66, Resulting Numbers: [66] 66,45 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: 45:[42, 6], Operations: ['2+40=42', '15-9=6'] Exploring Operation: 42+6=48, Resulting Numbers: [48] 48,45 unequal: No Solution Exploring Operation: 42/6=7, Resulting Numbers: [7] 7,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[15, 51], Operations: ['2+40=42', '9+42=51'] Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,45 unequal: No Solution Exploring Operation: 15+51=66, Resulting Numbers: [66] 66,45 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 48, 12, 46, 69 ]
59
[ "48-12=36", "69-46=23", "36+23=59" ]
Current State: 59:[48, 12, 46, 69], Operations: [] Exploring Operation: 48-12=36, Resulting Numbers: [46, 69, 36] Generated Node #2: [46, 69, 36] from Operation: 48-12=36 Current State: 59:[46, 69, 36], Operations: ['48-12=36'] Exploring Operation: 69-46=23, Resulting Numbers: [36, 23] Generated Node #3: [36, 23] from Operation: 69-46=23 Current State: 59:[36, 23], Operations: ['48-12=36', '69-46=23'] Exploring Operation: 36+23=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[48, 12, 46, 69], Operations: [] Exploring Operation: 69-12=57, Resulting Numbers: [48, 46, 57] Generated Node #0,0: 59:[48, 46, 57] Operation: 69-12=57 Exploring Operation: 48+12=60, Resulting Numbers: [46, 69, 60] Generated Node #0,1: 59:[46, 69, 60] Operation: 48+12=60 Exploring Operation: 12+46=58, Resulting Numbers: [48, 69, 58] Generated Node #0,2: 59:[48, 69, 58] Operation: 12+46=58 Exploring Operation: 48-12=36, Resulting Numbers: [46, 69, 36] Generated Node #0,3: 59:[46, 69, 36] Operation: 48-12=36 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[48, 69, 58], Operations: ['12+46=58'] Exploring Operation: 69-48=21, Resulting Numbers: [58, 21] Generated Node #0,2,0: 59:[58, 21] Operation: 69-48=21 Exploring Operation: 58-48=10, Resulting Numbers: [69, 10] Generated Node #0,2,1: 59:[69, 10] Operation: 58-48=10 Exploring Operation: 48+58=106, Resulting Numbers: [69, 106] Generated Node #0,2,2: 59:[69, 106] Operation: 48+58=106 Exploring Operation: 48+69=117, Resulting Numbers: [58, 117] Generated Node #0,2,3: 59:[58, 117] Operation: 48+69=117 Moving to Node #0,2,0 Current State: 59:[58, 21], Operations: ['12+46=58', '69-48=21'] Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,59 unequal: No Solution Exploring Operation: 58*21=1218, Resulting Numbers: [1218] 1218,59 unequal: No Solution Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[69, 106], Operations: ['12+46=58', '48+58=106'] Exploring Operation: 69*106=7314, Resulting Numbers: [7314] 7314,59 unequal: No Solution Exploring Operation: 106-69=37, Resulting Numbers: [37] 37,59 unequal: No Solution Exploring Operation: 69+106=175, Resulting Numbers: [175] 175,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[58, 117], Operations: ['12+46=58', '48+69=117'] Exploring Operation: 58+117=175, Resulting Numbers: [175] 175,59 unequal: No Solution Exploring Operation: 117-58=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[48, 12, 46, 69], Operations: [] Exploring Operation: 12+46=58, Resulting Numbers: [48, 69, 58] Generated Node #0,2: 59:[48, 69, 58] Operation: 12+46=58 Moving to Node #0,2 Current State: 59:[48, 69, 58], Operations: ['12+46=58'] Exploring Operation: 48+69=117, Resulting Numbers: [58, 117] Generated Node #0,2,3: 59:[58, 117] Operation: 48+69=117 Moving to Node #0,2,3 Current State: 59:[58, 117], Operations: ['12+46=58', '48+69=117'] Exploring Operation: 117-58=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 3, 92, 37, 31 ]
77
[ "92*31=2852", "2852-3=2849", "2849/37=77" ]
Current State: 77:[3, 92, 37, 31], Operations: [] Exploring Operation: 92*31=2852, Resulting Numbers: [3, 37, 2852] Generated Node #2: [3, 37, 2852] from Operation: 92*31=2852 Current State: 77:[3, 37, 2852], Operations: ['92*31=2852'] Exploring Operation: 2852-3=2849, Resulting Numbers: [37, 2849] Generated Node #3: [37, 2849] from Operation: 2852-3=2849 Current State: 77:[37, 2849], Operations: ['92*31=2852', '2852-3=2849'] Exploring Operation: 2849/37=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[3, 92, 37, 31], Operations: [] Exploring Operation: 37-31=6, Resulting Numbers: [3, 92, 6] Generated Node #0,0: 77:[3, 92, 6] Operation: 37-31=6 Exploring Operation: 37+31=68, Resulting Numbers: [3, 92, 68] Generated Node #0,1: 77:[3, 92, 68] Operation: 37+31=68 Moving to Node #0,0 Current State: 77:[3, 92, 6], Operations: ['37-31=6'] Exploring Operation: 92-6=86, Resulting Numbers: [3, 86] Generated Node #0,0,0: 77:[3, 86] Operation: 92-6=86 Exploring Operation: 92-3=89, Resulting Numbers: [6, 89] Generated Node #0,0,1: 77:[6, 89] Operation: 92-3=89 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[3, 86], Operations: ['37-31=6', '92-6=86'] Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,77 unequal: No Solution Exploring Operation: 3+86=89, Resulting Numbers: [89] 89,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[6, 89], Operations: ['37-31=6', '92-3=89'] Exploring Operation: 6+89=95, Resulting Numbers: [95] 95,77 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 77:[3, 92, 68], Operations: ['37+31=68'] Exploring Operation: 92-3=89, Resulting Numbers: [68, 89] Generated Node #0,1,0: 77:[68, 89] Operation: 92-3=89 Exploring Operation: 92-68=24, Resulting Numbers: [3, 24] Generated Node #0,1,1: 77:[3, 24] Operation: 92-68=24 Moving to Node #0,1,1 Current State: 77:[3, 24], Operations: ['37+31=68', '92-68=24'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,77 unequal: No Solution Moving to Node #0,1,0 Current State: 77:[68, 89], Operations: ['37+31=68', '92-3=89'] Exploring Operation: 68+89=157, Resulting Numbers: [157] 157,77 unequal: No Solution Exploring Operation: 89-68=21, Resulting Numbers: [21] 21,77 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 63, 28, 46, 3 ]
25
[ "63+46=109", "28*3=84", "109-84=25" ]
Current State: 25:[63, 28, 46, 3], Operations: [] Exploring Operation: 63+46=109, Resulting Numbers: [28, 3, 109] Generated Node #2: [28, 3, 109] from Operation: 63+46=109 Current State: 25:[28, 3, 109], Operations: ['63+46=109'] Exploring Operation: 28*3=84, Resulting Numbers: [109, 84] Generated Node #3: [109, 84] from Operation: 28*3=84 Current State: 25:[109, 84], Operations: ['63+46=109', '28*3=84'] Exploring Operation: 109-84=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[63, 28, 46, 3], Operations: [] Exploring Operation: 63-46=17, Resulting Numbers: [28, 3, 17] Generated Node #0,0: 25:[28, 3, 17] Operation: 63-46=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[28, 3, 17], Operations: ['63-46=17'] Exploring Operation: 28-3=25, Resulting Numbers: [17, 25] Generated Node #0,0,0: 25:[17, 25] Operation: 28-3=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 25:[17, 25], Operations: ['63-46=17', '28-3=25'] Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,25 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 5, 43, 67, 60 ]
12
[ "60/5=12", "67-43=24", "24-12=12" ]
Current State: 12:[5, 43, 67, 60], Operations: [] Exploring Operation: 60/5=12, Resulting Numbers: [43, 67, 12] Generated Node #2: [43, 67, 12] from Operation: 60/5=12 Current State: 12:[43, 67, 12], Operations: ['60/5=12'] Exploring Operation: 67-43=24, Resulting Numbers: [12, 24] Generated Node #3: [12, 24] from Operation: 67-43=24 Current State: 12:[12, 24], Operations: ['60/5=12', '67-43=24'] Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[5, 43, 67, 60], Operations: [] Exploring Operation: 67-60=7, Resulting Numbers: [5, 43, 7] Generated Node #0,0: 12:[5, 43, 7] Operation: 67-60=7 Exploring Operation: 67-43=24, Resulting Numbers: [5, 60, 24] Generated Node #0,1: 12:[5, 60, 24] Operation: 67-43=24 Moving to Node #0,0 Current State: 12:[5, 43, 7], Operations: ['67-60=7'] Exploring Operation: 43-7=36, Resulting Numbers: [5, 36] Generated Node #0,0,0: 12:[5, 36] Operation: 43-7=36 Exploring Operation: 43-5=38, Resulting Numbers: [7, 38] Generated Node #0,0,1: 12:[7, 38] Operation: 43-5=38 Moving to Node #0,1 Current State: 12:[5, 60, 24], Operations: ['67-43=24'] Exploring Operation: 60/5=12, Resulting Numbers: [24, 12] Generated Node #0,1,0: 12:[24, 12] Operation: 60/5=12 Exploring Operation: 60-24=36, Resulting Numbers: [5, 36] Generated Node #0,1,1: 12:[5, 36] Operation: 60-24=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[24, 12], Operations: ['67-43=24', '60/5=12'] Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[5, 43, 67, 60], Operations: [] Exploring Operation: 67-43=24, Resulting Numbers: [5, 60, 24] Generated Node #0,1: 12:[5, 60, 24] Operation: 67-43=24 Moving to Node #0,1 Current State: 12:[5, 60, 24], Operations: ['67-43=24'] Exploring Operation: 60/5=12, Resulting Numbers: [24, 12] Generated Node #0,1,0: 12:[24, 12] Operation: 60/5=12 Moving to Node #0,1,0 Current State: 12:[24, 12], Operations: ['67-43=24', '60/5=12'] Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 73, 12, 97, 42 ]
44
[ "97-73=24", "24/12=2", "42+2=44" ]
Current State: 44:[73, 12, 97, 42], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [12, 42, 24] Generated Node #2: [12, 42, 24] from Operation: 97-73=24 Current State: 44:[12, 42, 24], Operations: ['97-73=24'] Exploring Operation: 24/12=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 24/12=2 Current State: 44:[42, 2], Operations: ['97-73=24', '24/12=2'] Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[73, 12, 97, 42], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [12, 42, 24] Generated Node #0,0: 44:[12, 42, 24] Operation: 97-73=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[12, 42, 24], Operations: ['97-73=24'] Exploring Operation: 24/12=2, Resulting Numbers: [42, 2] Generated Node #0,0,0: 44:[42, 2] Operation: 24/12=2 Moving to Node #0,0,0 Current State: 44:[42, 2], Operations: ['97-73=24', '24/12=2'] Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[73, 12, 97, 42], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [12, 42, 24] Generated Node #0,0: 44:[12, 42, 24] Operation: 97-73=24 Moving to Node #0,0 Current State: 44:[12, 42, 24], Operations: ['97-73=24'] Exploring Operation: 24/12=2, Resulting Numbers: [42, 2] Generated Node #0,0,0: 44:[42, 2] Operation: 24/12=2 Moving to Node #0,0,0 Current State: 44:[42, 2], Operations: ['97-73=24', '24/12=2'] Exploring Operation: 42+2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 52, 39, 60, 4 ]
34
[ "52/4=13", "60-39=21", "13+21=34" ]
Current State: 34:[52, 39, 60, 4], Operations: [] Exploring Operation: 52/4=13, Resulting Numbers: [39, 60, 13] Generated Node #2: [39, 60, 13] from Operation: 52/4=13 Current State: 34:[39, 60, 13], Operations: ['52/4=13'] Exploring Operation: 60-39=21, Resulting Numbers: [13, 21] Generated Node #3: [13, 21] from Operation: 60-39=21 Current State: 34:[13, 21], Operations: ['52/4=13', '60-39=21'] Exploring Operation: 13+21=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[52, 39, 60, 4], Operations: [] Exploring Operation: 60-52=8, Resulting Numbers: [39, 4, 8] Generated Node #0,0: 34:[39, 4, 8] Operation: 60-52=8 Exploring Operation: 60-39=21, Resulting Numbers: [52, 4, 21] Generated Node #0,1: 34:[52, 4, 21] Operation: 60-39=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[39, 4, 8], Operations: ['60-52=8'] Exploring Operation: 39-8=31, Resulting Numbers: [4, 31] Generated Node #0,0,0: 34:[4, 31] Operation: 39-8=31 Exploring Operation: 8/4=2, Resulting Numbers: [39, 2] Generated Node #0,0,1: 34:[39, 2] Operation: 8/4=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[4, 31], Operations: ['60-52=8', '39-8=31'] Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 34:[39, 2], Operations: ['60-52=8', '8/4=2'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,34 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[52, 4, 21], Operations: ['60-39=21'] Exploring Operation: 52-21=31, Resulting Numbers: [4, 31] Generated Node #0,1,0: 34:[4, 31] Operation: 52-21=31 Exploring Operation: 52/4=13, Resulting Numbers: [21, 13] Generated Node #0,1,1: 34:[21, 13] Operation: 52/4=13 Moving to Node #0,1,0 Current State: 34:[4, 31], Operations: ['60-39=21', '52-21=31'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,34 unequal: No Solution Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,34 unequal: No Solution Moving to Node #0,1,1 Current State: 34:[21, 13], Operations: ['60-39=21', '52/4=13'] Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[52, 39, 60, 4], Operations: [] Exploring Operation: 60-39=21, Resulting Numbers: [52, 4, 21] Generated Node #0,1: 34:[52, 4, 21] Operation: 60-39=21 Moving to Node #0,1 Current State: 34:[52, 4, 21], Operations: ['60-39=21'] Exploring Operation: 52/4=13, Resulting Numbers: [21, 13] Generated Node #0,1,1: 34:[21, 13] Operation: 52/4=13 Moving to Node #0,1,1 Current State: 34:[21, 13], Operations: ['60-39=21', '52/4=13'] Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_2
sum_heuristic
[ 3, 30, 44, 26 ]
32
[ "30-26=4", "3*4=12", "44-12=32" ]
Current State: 32:[3, 30, 44, 26], Operations: [] Exploring Operation: 30-26=4, Resulting Numbers: [3, 44, 4] Generated Node #2: [3, 44, 4] from Operation: 30-26=4 Current State: 32:[3, 44, 4], Operations: ['30-26=4'] Exploring Operation: 3*4=12, Resulting Numbers: [44, 12] Generated Node #3: [44, 12] from Operation: 3*4=12 Current State: 32:[44, 12], Operations: ['30-26=4', '3*4=12'] Exploring Operation: 44-12=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[3, 30, 44, 26], Operations: [] Exploring Operation: 44-30=14, Resulting Numbers: [3, 26, 14] Generated Node #0,0: 32:[3, 26, 14] Operation: 44-30=14 Exploring Operation: 30-26=4, Resulting Numbers: [3, 44, 4] Generated Node #0,1: 32:[3, 44, 4] Operation: 30-26=4 Exploring Operation: 44-26=18, Resulting Numbers: [3, 30, 18] Generated Node #0,2: 32:[3, 30, 18] Operation: 44-26=18 Moving to Node #0,2 Current State: 32:[3, 30, 18], Operations: ['44-26=18'] Exploring Operation: 3+30=33, Resulting Numbers: [18, 33] Generated Node #0,2,0: 32:[18, 33] Operation: 3+30=33 Exploring Operation: 18-3=15, Resulting Numbers: [30, 15] Generated Node #0,2,1: 32:[30, 15] Operation: 18-3=15 Exploring Operation: 30/3=10, Resulting Numbers: [18, 10] Generated Node #0,2,2: 32:[18, 10] Operation: 30/3=10 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 32:[18, 33], Operations: ['44-26=18', '3+30=33'] Exploring Operation: 18*33=594, Resulting Numbers: [594] 594,32 unequal: No Solution Exploring Operation: 33-18=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 18+33=51, Resulting Numbers: [51] 51,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 32:[30, 15], Operations: ['44-26=18', '18-3=15'] Exploring Operation: 30-15=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 30+15=45, Resulting Numbers: [45] 45,32 unequal: No Solution Exploring Operation: 30/15=2, Resulting Numbers: [2] 2,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 32:[18, 10], Operations: ['44-26=18', '30/3=10'] Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,32 unequal: No Solution Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,32 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,32 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: 32:[3, 26, 14], Operations: ['44-30=14'] Exploring Operation: 26-14=12, Resulting Numbers: [3, 12] Generated Node #0,0,0: 32:[3, 12] Operation: 26-14=12 Exploring Operation: 3+14=17, Resulting Numbers: [26, 17] Generated Node #0,0,1: 32:[26, 17] Operation: 3+14=17 Exploring Operation: 3+26=29, Resulting Numbers: [14, 29] Generated Node #0,0,2: 32:[14, 29] Operation: 3+26=29 Moving to Node #0,1 Current State: 32:[3, 44, 4], Operations: ['30-26=4'] Exploring Operation: 44/4=11, Resulting Numbers: [3, 11] Generated Node #0,1,0: 32:[3, 11] Operation: 44/4=11 Exploring Operation: 44-4=40, Resulting Numbers: [3, 40] Generated Node #0,1,1: 32:[3, 40] Operation: 44-4=40 Exploring Operation: 44-3=41, Resulting Numbers: [4, 41] Generated Node #0,1,2: 32:[4, 41] Operation: 44-3=41 Moving to Node #0,1,0 Current State: 32:[3, 11], Operations: ['30-26=4', '44/4=11'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,32 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[3, 12], Operations: ['44-30=14', '26-14=12'] Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,32 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[14, 29], Operations: ['44-30=14', '3+26=29'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,32 unequal: No Solution Exploring Operation: 14+29=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 14*29=406, Resulting Numbers: [406] 406,32 unequal: No Solution Moving to Node #0,0,1 Current State: 32:[26, 17], Operations: ['44-30=14', '3+14=17'] Exploring Operation: 26-17=9, Resulting Numbers: [9] 9,32 unequal: No Solution Exploring Operation: 26*17=442, Resulting Numbers: [442] 442,32 unequal: No Solution Exploring Operation: 26+17=43, Resulting Numbers: [43] 43,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[4, 41], Operations: ['30-26=4', '44-3=41'] Exploring Operation: 4*41=164, Resulting Numbers: [164] 164,32 unequal: No Solution Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,32 unequal: No Solution Exploring Operation: 4+41=45, Resulting Numbers: [45] 45,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[3, 40], Operations: ['30-26=4', '44-4=40'] Exploring Operation: 3+40=43, Resulting Numbers: [43] 43,32 unequal: No Solution Exploring Operation: 40-3=37, Resulting Numbers: [37] 37,32 unequal: No Solution Exploring Operation: 3*40=120, Resulting Numbers: [120] 120,32 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 55, 81, 18, 11 ]
58
[ "55/11=5", "81-18=63", "63-5=58" ]
Current State: 58:[55, 81, 18, 11], Operations: [] Exploring Operation: 55/11=5, Resulting Numbers: [81, 18, 5] Generated Node #2: [81, 18, 5] from Operation: 55/11=5 Current State: 58:[81, 18, 5], Operations: ['55/11=5'] Exploring Operation: 81-18=63, Resulting Numbers: [5, 63] Generated Node #3: [5, 63] from Operation: 81-18=63 Current State: 58:[5, 63], Operations: ['55/11=5', '81-18=63'] Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[55, 81, 18, 11], Operations: [] Exploring Operation: 81-11=70, Resulting Numbers: [55, 18, 70] Generated Node #0,0: 58:[55, 18, 70] Operation: 81-11=70 Exploring Operation: 81-18=63, Resulting Numbers: [55, 11, 63] Generated Node #0,1: 58:[55, 11, 63] Operation: 81-18=63 Exploring Operation: 18+11=29, Resulting Numbers: [55, 81, 29] Generated Node #0,2: 58:[55, 81, 29] Operation: 18+11=29 Exploring Operation: 81-55=26, Resulting Numbers: [18, 11, 26] Generated Node #0,3: 58:[18, 11, 26] Operation: 81-55=26 Exploring Operation: 18-11=7, Resulting Numbers: [55, 81, 7] Generated Node #0,4: 58:[55, 81, 7] Operation: 18-11=7 Moving to Node #0,1 Current State: 58:[55, 11, 63], Operations: ['81-18=63'] Exploring Operation: 55-11=44, Resulting Numbers: [63, 44] Generated Node #0,1,0: 58:[63, 44] Operation: 55-11=44 Exploring Operation: 63-55=8, Resulting Numbers: [11, 8] Generated Node #0,1,1: 58:[11, 8] Operation: 63-55=8 Exploring Operation: 55+11=66, Resulting Numbers: [63, 66] Generated Node #0,1,2: 58:[63, 66] Operation: 55+11=66 Exploring Operation: 55/11=5, Resulting Numbers: [63, 5] Generated Node #0,1,3: 58:[63, 5] Operation: 55/11=5 Exploring Operation: 63-11=52, Resulting Numbers: [55, 52] Generated Node #0,1,4: 58:[55, 52] Operation: 63-11=52 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 58:[63, 5], Operations: ['81-18=63', '55/11=5'] Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,58 unequal: No Solution Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[55, 81, 18, 11], Operations: [] Exploring Operation: 81-18=63, Resulting Numbers: [55, 11, 63] Generated Node #0,1: 58:[55, 11, 63] Operation: 81-18=63 Moving to Node #0,1 Current State: 58:[55, 11, 63], Operations: ['81-18=63'] Exploring Operation: 55/11=5, Resulting Numbers: [63, 5] Generated Node #0,1,3: 58:[63, 5] Operation: 55/11=5 Moving to Node #0,1,3 Current State: 58:[63, 5], Operations: ['81-18=63', '55/11=5'] Exploring Operation: 63-5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 3, 89, 76, 29 ]
48
[ "89-76=13", "29-13=16", "3*16=48" ]
Current State: 48:[3, 89, 76, 29], Operations: [] Exploring Operation: 89-76=13, Resulting Numbers: [3, 29, 13] Generated Node #2: [3, 29, 13] from Operation: 89-76=13 Current State: 48:[3, 29, 13], Operations: ['89-76=13'] Exploring Operation: 29-13=16, Resulting Numbers: [3, 16] Generated Node #3: [3, 16] from Operation: 29-13=16 Current State: 48:[3, 16], Operations: ['89-76=13', '29-13=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[3, 89, 76, 29], Operations: [] Exploring Operation: 89-76=13, Resulting Numbers: [3, 29, 13] Generated Node #0,0: 48:[3, 29, 13] Operation: 89-76=13 Exploring Operation: 89-29=60, Resulting Numbers: [3, 76, 60] Generated Node #0,1: 48:[3, 76, 60] Operation: 89-29=60 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[3, 29, 13], Operations: ['89-76=13'] Exploring Operation: 29-3=26, Resulting Numbers: [13, 26] Generated Node #0,0,0: 48:[13, 26] Operation: 29-3=26 Exploring Operation: 29-13=16, Resulting Numbers: [3, 16] Generated Node #0,0,1: 48:[3, 16] Operation: 29-13=16 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[3, 16], Operations: ['89-76=13', '29-13=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[3, 89, 76, 29], Operations: [] Exploring Operation: 89-76=13, Resulting Numbers: [3, 29, 13] Generated Node #0,0: 48:[3, 29, 13] Operation: 89-76=13 Moving to Node #0,0 Current State: 48:[3, 29, 13], Operations: ['89-76=13'] Exploring Operation: 29-13=16, Resulting Numbers: [3, 16] Generated Node #0,0,1: 48:[3, 16] Operation: 29-13=16 Moving to Node #0,0,1 Current State: 48:[3, 16], Operations: ['89-76=13', '29-13=16'] Exploring Operation: 3*16=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 38, 67, 73, 18 ]
50
[ "38+67=105", "73-18=55", "105-55=50" ]
Current State: 50:[38, 67, 73, 18], Operations: [] Exploring Operation: 38+67=105, Resulting Numbers: [73, 18, 105] Generated Node #2: [73, 18, 105] from Operation: 38+67=105 Current State: 50:[73, 18, 105], Operations: ['38+67=105'] Exploring Operation: 73-18=55, Resulting Numbers: [105, 55] Generated Node #3: [105, 55] from Operation: 73-18=55 Current State: 50:[105, 55], Operations: ['38+67=105', '73-18=55'] Exploring Operation: 105-55=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[38, 67, 73, 18], Operations: [] Exploring Operation: 73-67=6, Resulting Numbers: [38, 18, 6] Generated Node #0,0: 50:[38, 18, 6] Operation: 73-67=6 Exploring Operation: 67-38=29, Resulting Numbers: [73, 18, 29] Generated Node #0,1: 50:[73, 18, 29] Operation: 67-38=29 Exploring Operation: 73-18=55, Resulting Numbers: [38, 67, 55] Generated Node #0,2: 50:[38, 67, 55] Operation: 73-18=55 Exploring Operation: 73-38=35, Resulting Numbers: [67, 18, 35] Generated Node #0,3: 50:[67, 18, 35] Operation: 73-38=35 Moving to Node #0,0 Current State: 50:[38, 18, 6], Operations: ['73-67=6'] Exploring Operation: 38+6=44, Resulting Numbers: [18, 44] Generated Node #0,0,0: 50:[18, 44] Operation: 38+6=44 Exploring Operation: 38-18=20, Resulting Numbers: [6, 20] Generated Node #0,0,1: 50:[6, 20] Operation: 38-18=20 Exploring Operation: 38+18=56, Resulting Numbers: [6, 56] Generated Node #0,0,2: 50:[6, 56] Operation: 38+18=56 Exploring Operation: 18+6=24, Resulting Numbers: [38, 24] Generated Node #0,0,3: 50:[38, 24] Operation: 18+6=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[6, 20], Operations: ['73-67=6', '38-18=20'] Exploring Operation: 6+20=26, Resulting Numbers: [26] 26,50 unequal: No Solution Exploring Operation: 6*20=120, Resulting Numbers: [120] 120,50 unequal: No Solution Exploring Operation: 20-6=14, Resulting Numbers: [14] 14,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[6, 56], Operations: ['73-67=6', '38+18=56'] Exploring Operation: 6*56=336, Resulting Numbers: [336] 336,50 unequal: No Solution Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[38, 67, 73, 18], Operations: [] Exploring Operation: 73-67=6, Resulting Numbers: [38, 18, 6] Generated Node #0,0: 50:[38, 18, 6] Operation: 73-67=6 Moving to Node #0,0 Current State: 50:[38, 18, 6], Operations: ['73-67=6'] Exploring Operation: 38+18=56, Resulting Numbers: [6, 56] Generated Node #0,0,2: 50:[6, 56] Operation: 38+18=56 Moving to Node #0,0,2 Current State: 50:[6, 56], Operations: ['73-67=6', '38+18=56'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 53, 82, 74, 2 ]
20
[ "74-53=21", "82/2=41", "41-21=20" ]
Current State: 20:[53, 82, 74, 2], Operations: [] Exploring Operation: 74-53=21, Resulting Numbers: [82, 2, 21] Generated Node #2: [82, 2, 21] from Operation: 74-53=21 Current State: 20:[82, 2, 21], Operations: ['74-53=21'] Exploring Operation: 82/2=41, Resulting Numbers: [21, 41] Generated Node #3: [21, 41] from Operation: 82/2=41 Current State: 20:[21, 41], Operations: ['74-53=21', '82/2=41'] Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[53, 82, 74, 2], Operations: [] Exploring Operation: 82-53=29, Resulting Numbers: [74, 2, 29] Generated Node #0,0: 20:[74, 2, 29] Operation: 82-53=29 Exploring Operation: 82/2=41, Resulting Numbers: [53, 74, 41] Generated Node #0,1: 20:[53, 74, 41] Operation: 82/2=41 Exploring Operation: 74/2=37, Resulting Numbers: [53, 82, 37] Generated Node #0,2: 20:[53, 82, 37] Operation: 74/2=37 Exploring Operation: 74-53=21, Resulting Numbers: [82, 2, 21] Generated Node #0,3: 20:[82, 2, 21] Operation: 74-53=21 Exploring Operation: 82-74=8, Resulting Numbers: [53, 2, 8] Generated Node #0,4: 20:[53, 2, 8] Operation: 82-74=8 Start Sub Search at level 1: Moving to Node #0,4 Current State: 20:[53, 2, 8], Operations: ['82-74=8'] Exploring Operation: 53-8=45, Resulting Numbers: [2, 45] Generated Node #0,4,0: 20:[2, 45] Operation: 53-8=45 Exploring Operation: 8-2=6, Resulting Numbers: [53, 6] Generated Node #0,4,1: 20:[53, 6] Operation: 8-2=6 Exploring Operation: 8/2=4, Resulting Numbers: [53, 4] Generated Node #0,4,2: 20:[53, 4] Operation: 8/2=4 Exploring Operation: 53-2=51, Resulting Numbers: [8, 51] Generated Node #0,4,3: 20:[8, 51] Operation: 53-2=51 Exploring Operation: 2+8=10, Resulting Numbers: [53, 10] Generated Node #0,4,4: 20:[53, 10] Operation: 2+8=10 Moving to Node #0,4,0 Current State: 20:[2, 45], Operations: ['82-74=8', '53-8=45'] Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,20 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,20 unequal: No Solution Moving to Node #0,4,3 Current State: 20:[8, 51], Operations: ['82-74=8', '53-2=51'] Exploring Operation: 8*51=408, Resulting Numbers: [408] 408,20 unequal: No Solution Exploring Operation: 8+51=59, Resulting Numbers: [59] 59,20 unequal: No Solution Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,20 unequal: No Solution Moving to Node #0,4,2 Current State: 20:[53, 4], Operations: ['82-74=8', '8/2=4'] Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,20 unequal: No Solution Exploring Operation: 53*4=212, Resulting Numbers: [212] 212,20 unequal: No Solution Exploring Operation: 53+4=57, Resulting Numbers: [57] 57,20 unequal: No Solution Moving to Node #0,4,4 Current State: 20:[53, 10], Operations: ['82-74=8', '2+8=10'] Exploring Operation: 53-10=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 53+10=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 53*10=530, Resulting Numbers: [530] 530,20 unequal: No Solution Moving to Node #0,4,1 Current State: 20:[53, 6], Operations: ['82-74=8', '8-2=6'] Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,20 unequal: No Solution Exploring Operation: 53*6=318, Resulting Numbers: [318] 318,20 unequal: No Solution Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,20 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:[74, 2, 29], Operations: ['82-53=29'] Exploring Operation: 74-29=45, Resulting Numbers: [2, 45] Generated Node #0,0,0: 20:[2, 45] Operation: 74-29=45 Exploring Operation: 74/2=37, Resulting Numbers: [29, 37] Generated Node #0,0,1: 20:[29, 37] Operation: 74/2=37 Exploring Operation: 74+2=76, Resulting Numbers: [29, 76] Generated Node #0,0,2: 20:[29, 76] Operation: 74+2=76 Exploring Operation: 74-2=72, Resulting Numbers: [29, 72] Generated Node #0,0,3: 20:[29, 72] Operation: 74-2=72 Exploring Operation: 29-2=27, Resulting Numbers: [74, 27] Generated Node #0,0,4: 20:[74, 27] Operation: 29-2=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[2, 45], Operations: ['82-53=29', '74-29=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,20 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,20 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[29, 37], Operations: ['82-53=29', '74/2=37'] Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,20 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 29*37=1073, Resulting Numbers: [1073] 1073,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 20:[29, 72], Operations: ['82-53=29', '74-2=72'] Exploring Operation: 29+72=101, Resulting Numbers: [101] 101,20 unequal: No Solution Exploring Operation: 29*72=2088, Resulting Numbers: [2088] 2088,20 unequal: No Solution Exploring Operation: 72-29=43, Resulting Numbers: [43] 43,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 20:[74, 27], Operations: ['82-53=29', '29-2=27'] Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 74+27=101, Resulting Numbers: [101] 101,20 unequal: No Solution Exploring Operation: 74*27=1998, Resulting Numbers: [1998] 1998,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 20:[29, 76], Operations: ['82-53=29', '74+2=76'] Exploring Operation: 29*76=2204, Resulting Numbers: [2204] 2204,20 unequal: No Solution Exploring Operation: 29+76=105, Resulting Numbers: [105] 105,20 unequal: No Solution Exploring Operation: 76-29=47, Resulting Numbers: [47] 47,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 20:[82, 2, 21], Operations: ['74-53=21'] Exploring Operation: 82-2=80, Resulting Numbers: [21, 80] Generated Node #0,3,0: 20:[21, 80] Operation: 82-2=80 Exploring Operation: 82+2=84, Resulting Numbers: [21, 84] Generated Node #0,3,1: 20:[21, 84] Operation: 82+2=84 Exploring Operation: 82/2=41, Resulting Numbers: [21, 41] Generated Node #0,3,2: 20:[21, 41] Operation: 82/2=41 Exploring Operation: 21-2=19, Resulting Numbers: [82, 19] Generated Node #0,3,3: 20:[82, 19] Operation: 21-2=19 Exploring Operation: 82-21=61, Resulting Numbers: [2, 61] Generated Node #0,3,4: 20:[2, 61] Operation: 82-21=61 Moving to Node #0,3,2 Current State: 20:[21, 41], Operations: ['74-53=21', '82/2=41'] Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[53, 82, 74, 2], Operations: [] Exploring Operation: 74-53=21, Resulting Numbers: [82, 2, 21] Generated Node #0,3: 20:[82, 2, 21] Operation: 74-53=21 Moving to Node #0,3 Current State: 20:[82, 2, 21], Operations: ['74-53=21'] Exploring Operation: 82/2=41, Resulting Numbers: [21, 41] Generated Node #0,3,2: 20:[21, 41] Operation: 82/2=41 Moving to Node #0,3,2 Current State: 20:[21, 41], Operations: ['74-53=21', '82/2=41'] Exploring Operation: 41-21=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.952257
hs_5
mult_heuristic
[ 85, 52, 42, 98 ]
89
[ "85-52=33", "98-42=56", "33+56=89" ]
Current State: 89:[85, 52, 42, 98], Operations: [] Exploring Operation: 85-52=33, Resulting Numbers: [42, 98, 33] Generated Node #2: [42, 98, 33] from Operation: 85-52=33 Current State: 89:[42, 98, 33], Operations: ['85-52=33'] Exploring Operation: 98-42=56, Resulting Numbers: [33, 56] Generated Node #3: [33, 56] from Operation: 98-42=56 Current State: 89:[33, 56], Operations: ['85-52=33', '98-42=56'] Exploring Operation: 33+56=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[85, 52, 42, 98], Operations: [] Exploring Operation: 85+42=127, Resulting Numbers: [52, 98, 127] Generated Node #0,0: 89:[52, 98, 127] Operation: 85+42=127 Exploring Operation: 98-42=56, Resulting Numbers: [85, 52, 56] Generated Node #0,1: 89:[85, 52, 56] Operation: 98-42=56 Exploring Operation: 52+42=94, Resulting Numbers: [85, 98, 94] Generated Node #0,2: 89:[85, 98, 94] Operation: 52+42=94 Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[85, 98, 94], Operations: ['52+42=94'] Exploring Operation: 98-85=13, Resulting Numbers: [94, 13] Generated Node #0,2,0: 89:[94, 13] Operation: 98-85=13 Exploring Operation: 98-94=4, Resulting Numbers: [85, 4] Generated Node #0,2,1: 89:[85, 4] Operation: 98-94=4 Exploring Operation: 94-85=9, Resulting Numbers: [98, 9] Generated Node #0,2,2: 89:[98, 9] Operation: 94-85=9 Moving to Node #0,2,0 Current State: 89:[94, 13], Operations: ['52+42=94', '98-85=13'] Exploring Operation: 94*13=1222, Resulting Numbers: [1222] 1222,89 unequal: No Solution Exploring Operation: 94+13=107, Resulting Numbers: [107] 107,89 unequal: No Solution Exploring Operation: 94-13=81, Resulting Numbers: [81] 81,89 unequal: No Solution Moving to Node #0,2,1 Current State: 89:[85, 4], Operations: ['52+42=94', '98-94=4'] Exploring Operation: 85*4=340, Resulting Numbers: [340] 340,89 unequal: No Solution Exploring Operation: 85+4=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[85, 52, 42, 98], Operations: [] Exploring Operation: 52+42=94, Resulting Numbers: [85, 98, 94] Generated Node #0,2: 89:[85, 98, 94] Operation: 52+42=94 Moving to Node #0,2 Current State: 89:[85, 98, 94], Operations: ['52+42=94'] Exploring Operation: 98-94=4, Resulting Numbers: [85, 4] Generated Node #0,2,1: 89:[85, 4] Operation: 98-94=4 Moving to Node #0,2,1 Current State: 89:[85, 4], Operations: ['52+42=94', '98-94=4'] Exploring Operation: 85+4=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 14, 16, 39, 17 ]
53
[ "14+39=53", "17-16=1", "53*1=53" ]
Current State: 53:[14, 16, 39, 17], Operations: [] Exploring Operation: 14+39=53, Resulting Numbers: [16, 17, 53] Generated Node #2: [16, 17, 53] from Operation: 14+39=53 Current State: 53:[16, 17, 53], Operations: ['14+39=53'] Exploring Operation: 17-16=1, Resulting Numbers: [53, 1] Generated Node #3: [53, 1] from Operation: 17-16=1 Current State: 53:[53, 1], Operations: ['14+39=53', '17-16=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[14, 16, 39, 17], Operations: [] Exploring Operation: 14+16=30, Resulting Numbers: [39, 17, 30] Generated Node #0,0: 53:[39, 17, 30] Operation: 14+16=30 Exploring Operation: 14+39=53, Resulting Numbers: [16, 17, 53] Generated Node #0,1: 53:[16, 17, 53] Operation: 14+39=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[39, 17, 30], Operations: ['14+16=30'] Exploring Operation: 17+30=47, Resulting Numbers: [39, 47] Generated Node #0,0,0: 53:[39, 47] Operation: 17+30=47 Exploring Operation: 39+17=56, Resulting Numbers: [30, 56] Generated Node #0,0,1: 53:[30, 56] Operation: 39+17=56 Moving to Node #0,0,0 Current State: 53:[39, 47], Operations: ['14+16=30', '17+30=47'] Exploring Operation: 39+47=86, Resulting Numbers: [86] 86,53 unequal: No Solution Exploring Operation: 47-39=8, Resulting Numbers: [8] 8,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[30, 56], Operations: ['14+16=30', '39+17=56'] Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,53 unequal: No Solution Exploring Operation: 30+56=86, Resulting Numbers: [86] 86,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[16, 17, 53], Operations: ['14+39=53'] Exploring Operation: 16+17=33, Resulting Numbers: [53, 33] Generated Node #0,1,0: 53:[53, 33] Operation: 16+17=33 Exploring Operation: 17-16=1, Resulting Numbers: [53, 1] Generated Node #0,1,1: 53:[53, 1] Operation: 17-16=1 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[53, 33], Operations: ['14+39=53', '16+17=33'] Exploring Operation: 53+33=86, Resulting Numbers: [86] 86,53 unequal: No Solution Exploring Operation: 53-33=20, Resulting Numbers: [20] 20,53 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:[53, 1], Operations: ['14+39=53', '17-16=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[14, 16, 39, 17], Operations: [] Exploring Operation: 14+39=53, Resulting Numbers: [16, 17, 53] Generated Node #0,1: 53:[16, 17, 53] Operation: 14+39=53 Moving to Node #0,1 Current State: 53:[16, 17, 53], Operations: ['14+39=53'] Exploring Operation: 17-16=1, Resulting Numbers: [53, 1] Generated Node #0,1,1: 53:[53, 1] Operation: 17-16=1 Moving to Node #0,1,1 Current State: 53:[53, 1], Operations: ['14+39=53', '17-16=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_2
mult_heuristic
[ 48, 60, 80, 59 ]
31
[ "48+60=108", "80+59=139", "139-108=31" ]
Current State: 31:[48, 60, 80, 59], Operations: [] Exploring Operation: 48+60=108, Resulting Numbers: [80, 59, 108] Generated Node #2: [80, 59, 108] from Operation: 48+60=108 Current State: 31:[80, 59, 108], Operations: ['48+60=108'] Exploring Operation: 80+59=139, Resulting Numbers: [108, 139] Generated Node #3: [108, 139] from Operation: 80+59=139 Current State: 31:[108, 139], Operations: ['48+60=108', '80+59=139'] Exploring Operation: 139-108=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[48, 60, 80, 59], Operations: [] Exploring Operation: 80-59=21, Resulting Numbers: [48, 60, 21] Generated Node #0,0: 31:[48, 60, 21] Operation: 80-59=21 Exploring Operation: 80-60=20, Resulting Numbers: [48, 59, 20] Generated Node #0,1: 31:[48, 59, 20] Operation: 80-60=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[48, 60, 21], Operations: ['80-59=21'] Exploring Operation: 60-21=39, Resulting Numbers: [48, 39] Generated Node #0,0,0: 31:[48, 39] Operation: 60-21=39 Exploring Operation: 60-48=12, Resulting Numbers: [21, 12] Generated Node #0,0,1: 31:[21, 12] Operation: 60-48=12 Moving to Node #0,0,0 Current State: 31:[48, 39], Operations: ['80-59=21', '60-21=39'] Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 48+39=87, Resulting Numbers: [87] 87,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[21, 12], Operations: ['80-59=21', '60-48=12'] Exploring Operation: 21+12=33, Resulting Numbers: [33] 33,31 unequal: No Solution Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[48, 59, 20], Operations: ['80-60=20'] Exploring Operation: 59-48=11, Resulting Numbers: [20, 11] Generated Node #0,1,0: 31:[20, 11] Operation: 59-48=11 Exploring Operation: 59-20=39, Resulting Numbers: [48, 39] Generated Node #0,1,1: 31:[48, 39] Operation: 59-20=39 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 31:[48, 39], Operations: ['80-60=20', '59-20=39'] Exploring Operation: 48-39=9, Resulting Numbers: [9] 9,31 unequal: No Solution Exploring Operation: 48+39=87, Resulting Numbers: [87] 87,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[20, 11], Operations: ['80-60=20', '59-48=11'] Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[48, 60, 80, 59], Operations: [] Exploring Operation: 80-60=20, Resulting Numbers: [48, 59, 20] Generated Node #0,1: 31:[48, 59, 20] Operation: 80-60=20 Moving to Node #0,1 Current State: 31:[48, 59, 20], Operations: ['80-60=20'] Exploring Operation: 59-48=11, Resulting Numbers: [20, 11] Generated Node #0,1,0: 31:[20, 11] Operation: 59-48=11 Moving to Node #0,1,0 Current State: 31:[20, 11], Operations: ['80-60=20', '59-48=11'] Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_2
mult_heuristic
[ 13, 9, 38, 2 ]
76
[ "13-9=4", "38/2=19", "4*19=76" ]
Current State: 76:[13, 9, 38, 2], Operations: [] Exploring Operation: 13-9=4, Resulting Numbers: [38, 2, 4] Generated Node #2: [38, 2, 4] from Operation: 13-9=4 Current State: 76:[38, 2, 4], Operations: ['13-9=4'] Exploring Operation: 38/2=19, Resulting Numbers: [4, 19] Generated Node #3: [4, 19] from Operation: 38/2=19 Current State: 76:[4, 19], Operations: ['13-9=4', '38/2=19'] Exploring Operation: 4*19=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[13, 9, 38, 2], Operations: [] Exploring Operation: 13-9=4, Resulting Numbers: [38, 2, 4] Generated Node #0,0: 76:[38, 2, 4] Operation: 13-9=4 Moving to Node #0,0 Current State: 76:[38, 2, 4], Operations: ['13-9=4'] Exploring Operation: 38*2=76, Resulting Numbers: [4, 76] Generated Node #0,0,0: 76:[4, 76] Operation: 38*2=76 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[4, 76], Operations: ['13-9=4', '38*2=76'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 45, 36, 30, 71 ]
20
[ "45+36=81", "30+71=101", "101-81=20" ]
Current State: 20:[45, 36, 30, 71], Operations: [] Exploring Operation: 45+36=81, Resulting Numbers: [30, 71, 81] Generated Node #2: [30, 71, 81] from Operation: 45+36=81 Current State: 20:[30, 71, 81], Operations: ['45+36=81'] Exploring Operation: 30+71=101, Resulting Numbers: [81, 101] Generated Node #3: [81, 101] from Operation: 30+71=101 Current State: 20:[81, 101], Operations: ['45+36=81', '30+71=101'] Exploring Operation: 101-81=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[45, 36, 30, 71], Operations: [] Exploring Operation: 71-45=26, Resulting Numbers: [36, 30, 26] Generated Node #0,0: 20:[36, 30, 26] Operation: 71-45=26 Moving to Node #0,0 Current State: 20:[36, 30, 26], Operations: ['71-45=26'] Exploring Operation: 36-30=6, Resulting Numbers: [26, 6] Generated Node #0,0,0: 20:[26, 6] Operation: 36-30=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[26, 6], Operations: ['71-45=26', '36-30=6'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[45, 36, 30, 71], Operations: [] Exploring Operation: 71-45=26, Resulting Numbers: [36, 30, 26] Generated Node #0,0: 20:[36, 30, 26] Operation: 71-45=26 Moving to Node #0,0 Current State: 20:[36, 30, 26], Operations: ['71-45=26'] Exploring Operation: 36-30=6, Resulting Numbers: [26, 6] Generated Node #0,0,0: 20:[26, 6] Operation: 36-30=6 Moving to Node #0,0,0 Current State: 20:[26, 6], Operations: ['71-45=26', '36-30=6'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 8, 11, 53, 22 ]
78
[ "11-8=3", "53+22=75", "3+75=78" ]
Current State: 78:[8, 11, 53, 22], Operations: [] Exploring Operation: 11-8=3, Resulting Numbers: [53, 22, 3] Generated Node #2: [53, 22, 3] from Operation: 11-8=3 Current State: 78:[53, 22, 3], Operations: ['11-8=3'] Exploring Operation: 53+22=75, Resulting Numbers: [3, 75] Generated Node #3: [3, 75] from Operation: 53+22=75 Current State: 78:[3, 75], Operations: ['11-8=3', '53+22=75'] Exploring Operation: 3+75=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[8, 11, 53, 22], Operations: [] Exploring Operation: 53+22=75, Resulting Numbers: [8, 11, 75] Generated Node #0,0: 78:[8, 11, 75] Operation: 53+22=75 Exploring Operation: 53-11=42, Resulting Numbers: [8, 22, 42] Generated Node #0,1: 78:[8, 22, 42] Operation: 53-11=42 Exploring Operation: 53-22=31, Resulting Numbers: [8, 11, 31] Generated Node #0,2: 78:[8, 11, 31] Operation: 53-22=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[8, 11, 75], Operations: ['53+22=75'] Exploring Operation: 8+75=83, Resulting Numbers: [11, 83] Generated Node #0,0,0: 78:[11, 83] Operation: 8+75=83 Exploring Operation: 8+11=19, Resulting Numbers: [75, 19] Generated Node #0,0,1: 78:[75, 19] Operation: 8+11=19 Exploring Operation: 11-8=3, Resulting Numbers: [75, 3] Generated Node #0,0,2: 78:[75, 3] Operation: 11-8=3 Moving to Node #0,0,2 Current State: 78:[75, 3], Operations: ['53+22=75', '11-8=3'] Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[8, 11, 53, 22], Operations: [] Exploring Operation: 53+22=75, Resulting Numbers: [8, 11, 75] Generated Node #0,0: 78:[8, 11, 75] Operation: 53+22=75 Moving to Node #0,0 Current State: 78:[8, 11, 75], Operations: ['53+22=75'] Exploring Operation: 11-8=3, Resulting Numbers: [75, 3] Generated Node #0,0,2: 78:[75, 3] Operation: 11-8=3 Moving to Node #0,0,2 Current State: 78:[75, 3], Operations: ['53+22=75', '11-8=3'] Exploring Operation: 75+3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 69, 81, 15, 98 ]
67
[ "69+81=150", "98-15=83", "150-83=67" ]
Current State: 67:[69, 81, 15, 98], Operations: [] Exploring Operation: 69+81=150, Resulting Numbers: [15, 98, 150] Generated Node #2: [15, 98, 150] from Operation: 69+81=150 Current State: 67:[15, 98, 150], Operations: ['69+81=150'] Exploring Operation: 98-15=83, Resulting Numbers: [150, 83] Generated Node #3: [150, 83] from Operation: 98-15=83 Current State: 67:[150, 83], Operations: ['69+81=150', '98-15=83'] Exploring Operation: 150-83=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[69, 81, 15, 98], Operations: [] Exploring Operation: 98-15=83, Resulting Numbers: [69, 81, 83] Generated Node #0,0: 67:[69, 81, 83] Operation: 98-15=83 Moving to Node #0,0 Current State: 67:[69, 81, 83], Operations: ['98-15=83'] Exploring Operation: 83-69=14, Resulting Numbers: [81, 14] Generated Node #0,0,0: 67:[81, 14] Operation: 83-69=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[81, 14], Operations: ['98-15=83', '83-69=14'] Exploring Operation: 81-14=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[69, 81, 15, 98], Operations: [] Exploring Operation: 98-15=83, Resulting Numbers: [69, 81, 83] Generated Node #0,0: 67:[69, 81, 83] Operation: 98-15=83 Moving to Node #0,0 Current State: 67:[69, 81, 83], Operations: ['98-15=83'] Exploring Operation: 83-69=14, Resulting Numbers: [81, 14] Generated Node #0,0,0: 67:[81, 14] Operation: 83-69=14 Moving to Node #0,0,0 Current State: 67:[81, 14], Operations: ['98-15=83', '83-69=14'] Exploring Operation: 81-14=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 7, 6, 19, 86 ]
41
[ "7*19=133", "6+86=92", "133-92=41" ]
Current State: 41:[7, 6, 19, 86], Operations: [] Exploring Operation: 7*19=133, Resulting Numbers: [6, 86, 133] Generated Node #2: [6, 86, 133] from Operation: 7*19=133 Current State: 41:[6, 86, 133], Operations: ['7*19=133'] Exploring Operation: 6+86=92, Resulting Numbers: [133, 92] Generated Node #3: [133, 92] from Operation: 6+86=92 Current State: 41:[133, 92], Operations: ['7*19=133', '6+86=92'] Exploring Operation: 133-92=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[7, 6, 19, 86], Operations: [] Exploring Operation: 86-7=79, Resulting Numbers: [6, 19, 79] Generated Node #0,0: 41:[6, 19, 79] Operation: 86-7=79 Exploring Operation: 6+19=25, Resulting Numbers: [7, 86, 25] Generated Node #0,1: 41:[7, 86, 25] Operation: 6+19=25 Exploring Operation: 7*6=42, Resulting Numbers: [19, 86, 42] Generated Node #0,2: 41:[19, 86, 42] Operation: 7*6=42 Exploring Operation: 7+6=13, Resulting Numbers: [19, 86, 13] Generated Node #0,3: 41:[19, 86, 13] Operation: 7+6=13 Exploring Operation: 7+19=26, Resulting Numbers: [6, 86, 26] Generated Node #0,4: 41:[6, 86, 26] Operation: 7+19=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 41:[19, 86, 42], Operations: ['7*6=42'] Exploring Operation: 19+42=61, Resulting Numbers: [86, 61] Generated Node #0,2,0: 41:[86, 61] Operation: 19+42=61 Exploring Operation: 86-19=67, Resulting Numbers: [42, 67] Generated Node #0,2,1: 41:[42, 67] Operation: 86-19=67 Exploring Operation: 19+86=105, Resulting Numbers: [42, 105] Generated Node #0,2,2: 41:[42, 105] Operation: 19+86=105 Exploring Operation: 42-19=23, Resulting Numbers: [86, 23] Generated Node #0,2,3: 41:[86, 23] Operation: 42-19=23 Exploring Operation: 86-42=44, Resulting Numbers: [19, 44] Generated Node #0,2,4: 41:[19, 44] Operation: 86-42=44 Moving to Node #0,2,4 Current State: 41:[19, 44], Operations: ['7*6=42', '86-42=44'] Exploring Operation: 19*44=836, Resulting Numbers: [836] 836,41 unequal: No Solution Exploring Operation: 44-19=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 19+44=63, Resulting Numbers: [63] 63,41 unequal: No Solution Moving to Node #0,2,1 Current State: 41:[42, 67], Operations: ['7*6=42', '86-19=67'] Exploring Operation: 67-42=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 42+67=109, Resulting Numbers: [109] 109,41 unequal: No Solution Exploring Operation: 42*67=2814, Resulting Numbers: [2814] 2814,41 unequal: No Solution Moving to Node #0,2,3 Current State: 41:[86, 23], Operations: ['7*6=42', '42-19=23'] Exploring Operation: 86*23=1978, Resulting Numbers: [1978] 1978,41 unequal: No Solution Exploring Operation: 86-23=63, Resulting Numbers: [63] 63,41 unequal: No Solution Exploring Operation: 86+23=109, Resulting Numbers: [109] 109,41 unequal: No Solution Moving to Node #0,2,0 Current State: 41:[86, 61], Operations: ['7*6=42', '19+42=61'] Exploring Operation: 86-61=25, Resulting Numbers: [25] 25,41 unequal: No Solution Exploring Operation: 86+61=147, Resulting Numbers: [147] 147,41 unequal: No Solution Exploring Operation: 86*61=5246, Resulting Numbers: [5246] 5246,41 unequal: No Solution Moving to Node #0,2,2 Current State: 41:[42, 105], Operations: ['7*6=42', '19+86=105'] Exploring Operation: 42*105=4410, Resulting Numbers: [4410] 4410,41 unequal: No Solution Exploring Operation: 42+105=147, Resulting Numbers: [147] 147,41 unequal: No Solution Exploring Operation: 105-42=63, Resulting Numbers: [63] 63,41 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 Current State: 41:[6, 19, 79], Operations: ['86-7=79'] Exploring Operation: 79-6=73, Resulting Numbers: [19, 73] Generated Node #0,0,0: 41:[19, 73] Operation: 79-6=73 Exploring Operation: 6+19=25, Resulting Numbers: [79, 25] Generated Node #0,0,1: 41:[79, 25] Operation: 6+19=25 Exploring Operation: 6+79=85, Resulting Numbers: [19, 85] Generated Node #0,0,2: 41:[19, 85] Operation: 6+79=85 Exploring Operation: 19-6=13, Resulting Numbers: [79, 13] Generated Node #0,0,3: 41:[79, 13] Operation: 19-6=13 Exploring Operation: 79-19=60, Resulting Numbers: [6, 60] Generated Node #0,0,4: 41:[6, 60] Operation: 79-19=60 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 41:[19, 73], Operations: ['86-7=79', '79-6=73'] Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,41 unequal: No Solution Exploring Operation: 19*73=1387, Resulting Numbers: [1387] 1387,41 unequal: No Solution Exploring Operation: 19+73=92, Resulting Numbers: [92] 92,41 unequal: No Solution No 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: 41:[79, 25], Operations: ['86-7=79', '6+19=25'] Exploring Operation: 79+25=104, Resulting Numbers: [104] 104,41 unequal: No Solution Exploring Operation: 79-25=54, Resulting Numbers: [54] 54,41 unequal: No Solution Exploring Operation: 79*25=1975, Resulting Numbers: [1975] 1975,41 unequal: No Solution No 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: 41:[6, 60], Operations: ['86-7=79', '79-19=60'] Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,41 unequal: No Solution Exploring Operation: 6+60=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 6*60=360, Resulting Numbers: [360] 360,41 unequal: No Solution Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,41 unequal: No Solution No 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: 41:[19, 85], Operations: ['86-7=79', '6+79=85'] Exploring Operation: 85-19=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 19*85=1615, Resulting Numbers: [1615] 1615,41 unequal: No Solution Exploring Operation: 19+85=104, Resulting Numbers: [104] 104,41 unequal: No Solution No 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: 41:[79, 13], Operations: ['86-7=79', '19-6=13'] Exploring Operation: 79*13=1027, Resulting Numbers: [1027] 1027,41 unequal: No Solution Exploring Operation: 79+13=92, Resulting Numbers: [92] 92,41 unequal: No Solution Exploring Operation: 79-13=66, Resulting Numbers: [66] 66,41 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: 41:[7, 86, 25], Operations: ['6+19=25'] Exploring Operation: 7+86=93, Resulting Numbers: [25, 93] Generated Node #0,1,0: 41:[25, 93] Operation: 7+86=93 Exploring Operation: 86-7=79, Resulting Numbers: [25, 79] Generated Node #0,1,1: 41:[25, 79] Operation: 86-7=79 Exploring Operation: 7+25=32, Resulting Numbers: [86, 32] Generated Node #0,1,2: 41:[86, 32] Operation: 7+25=32 Exploring Operation: 25-7=18, Resulting Numbers: [86, 18] Generated Node #0,1,3: 41:[86, 18] Operation: 25-7=18 Exploring Operation: 86-25=61, Resulting Numbers: [7, 61] Generated Node #0,1,4: 41:[7, 61] Operation: 86-25=61 Moving to Node #0,1,1 Current State: 41:[25, 79], Operations: ['6+19=25', '86-7=79'] Exploring Operation: 25+79=104, Resulting Numbers: [104] 104,41 unequal: No Solution Exploring Operation: 25*79=1975, Resulting Numbers: [1975] 1975,41 unequal: No Solution Exploring Operation: 79-25=54, Resulting Numbers: [54] 54,41 unequal: No Solution Moving to Node #0,1,4 Current State: 41:[7, 61], Operations: ['6+19=25', '86-25=61'] Exploring Operation: 7+61=68, Resulting Numbers: [68] 68,41 unequal: No Solution Exploring Operation: 7*61=427, Resulting Numbers: [427] 427,41 unequal: No Solution Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,41 unequal: No Solution Moving to Node #0,1,2 Current State: 41:[86, 32], Operations: ['6+19=25', '7+25=32'] Exploring Operation: 86*32=2752, Resulting Numbers: [2752] 2752,41 unequal: No Solution Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,41 unequal: No Solution Exploring Operation: 86+32=118, Resulting Numbers: [118] 118,41 unequal: No Solution Moving to Node #0,1,0 Current State: 41:[25, 93], Operations: ['6+19=25', '7+86=93'] Exploring Operation: 93-25=68, Resulting Numbers: [68] 68,41 unequal: No Solution Exploring Operation: 25+93=118, Resulting Numbers: [118] 118,41 unequal: No Solution Exploring Operation: 25*93=2325, Resulting Numbers: [2325] 2325,41 unequal: No Solution Moving to Node #0,1,3 Current State: 41:[86, 18], Operations: ['6+19=25', '25-7=18'] Exploring Operation: 86-18=68, Resulting Numbers: [68] 68,41 unequal: No Solution Exploring Operation: 86*18=1548, Resulting Numbers: [1548] 1548,41 unequal: No Solution Exploring Operation: 86+18=104, Resulting Numbers: [104] 104,41 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 #0,3 Current State: 41:[19, 86, 13], Operations: ['7+6=13'] Exploring Operation: 19+13=32, Resulting Numbers: [86, 32] Generated Node #0,3,0: 41:[86, 32] Operation: 19+13=32 Exploring Operation: 86+13=99, Resulting Numbers: [19, 99] Generated Node #0,3,1: 41:[19, 99] Operation: 86+13=99 Exploring Operation: 86-19=67, Resulting Numbers: [13, 67] Generated Node #0,3,2: 41:[13, 67] Operation: 86-19=67 Exploring Operation: 86-13=73, Resulting Numbers: [19, 73] Generated Node #0,3,3: 41:[19, 73] Operation: 86-13=73 Exploring Operation: 19-13=6, Resulting Numbers: [86, 6] Generated Node #0,3,4: 41:[86, 6] Operation: 19-13=6 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 41:[86, 32], Operations: ['7+6=13', '19+13=32'] Exploring Operation: 86*32=2752, Resulting Numbers: [2752] 2752,41 unequal: No Solution Exploring Operation: 86+32=118, Resulting Numbers: [118] 118,41 unequal: No Solution Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,41 unequal: No Solution No 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: 41:[13, 67], Operations: ['7+6=13', '86-19=67'] Exploring Operation: 13*67=871, Resulting Numbers: [871] 871,41 unequal: No Solution Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,41 unequal: No Solution Exploring Operation: 13+67=80, Resulting Numbers: [80] 80,41 unequal: No Solution No 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: 41:[19, 73], Operations: ['7+6=13', '86-13=73'] Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,41 unequal: No Solution Exploring Operation: 19*73=1387, Resulting Numbers: [1387] 1387,41 unequal: No Solution Exploring Operation: 19+73=92, Resulting Numbers: [92] 92,41 unequal: No Solution No 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: 41:[19, 99], Operations: ['7+6=13', '86+13=99'] Exploring Operation: 19+99=118, Resulting Numbers: [118] 118,41 unequal: No Solution Exploring Operation: 99-19=80, Resulting Numbers: [80] 80,41 unequal: No Solution Exploring Operation: 19*99=1881, Resulting Numbers: [1881] 1881,41 unequal: No Solution No 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: 41:[86, 6], Operations: ['7+6=13', '19-13=6'] Exploring Operation: 86*6=516, Resulting Numbers: [516] 516,41 unequal: No Solution Exploring Operation: 86-6=80, Resulting Numbers: [80] 80,41 unequal: No Solution Exploring Operation: 86+6=92, Resulting Numbers: [92] 92,41 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: 41:[6, 86, 26], Operations: ['7+19=26'] Exploring Operation: 86-26=60, Resulting Numbers: [6, 60] Generated Node #0,4,0: 41:[6, 60] Operation: 86-26=60 Exploring Operation: 6+26=32, Resulting Numbers: [86, 32] Generated Node #0,4,1: 41:[86, 32] Operation: 6+26=32 Exploring Operation: 6+86=92, Resulting Numbers: [26, 92] Generated Node #0,4,2: 41:[26, 92] Operation: 6+86=92 Exploring Operation: 26-6=20, Resulting Numbers: [86, 20] Generated Node #0,4,3: 41:[86, 20] Operation: 26-6=20 Exploring Operation: 86-6=80, Resulting Numbers: [26, 80] Generated Node #0,4,4: 41:[26, 80] Operation: 86-6=80 Moving to Node #0,4,0 Current State: 41:[6, 60], Operations: ['7+19=26', '86-26=60'] Exploring Operation: 60/6=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 6*60=360, Resulting Numbers: [360] 360,41 unequal: No Solution Exploring Operation: 6+60=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 60-6=54, Resulting Numbers: [54] 54,41 unequal: No Solution Moving to Node #0,4,4 Current State: 41:[26, 80], Operations: ['7+19=26', '86-6=80'] Exploring Operation: 80-26=54, Resulting Numbers: [54] 54,41 unequal: No Solution Exploring Operation: 26+80=106, Resulting Numbers: [106] 106,41 unequal: No Solution Exploring Operation: 26*80=2080, Resulting Numbers: [2080] 2080,41 unequal: No Solution Moving to Node #0,4,1 Current State: 41:[86, 32], Operations: ['7+19=26', '6+26=32'] Exploring Operation: 86-32=54, Resulting Numbers: [54] 54,41 unequal: No Solution Exploring Operation: 86+32=118, Resulting Numbers: [118] 118,41 unequal: No Solution Exploring Operation: 86*32=2752, Resulting Numbers: [2752] 2752,41 unequal: No Solution Moving to Node #0,4,2 Current State: 41:[26, 92], Operations: ['7+19=26', '6+86=92'] Exploring Operation: 92-26=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 26*92=2392, Resulting Numbers: [2392] 2392,41 unequal: No Solution Exploring Operation: 26+92=118, Resulting Numbers: [118] 118,41 unequal: No Solution Moving to Node #0,4,3 Current State: 41:[86, 20], Operations: ['7+19=26', '26-6=20'] Exploring Operation: 86+20=106, Resulting Numbers: [106] 106,41 unequal: No Solution Exploring Operation: 86*20=1720, Resulting Numbers: [1720] 1720,41 unequal: No Solution Exploring Operation: 86-20=66, Resulting Numbers: [66] 66,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 55, 46, 18, 41 ]
42
[ "55+46=101", "18+41=59", "101-59=42" ]
Current State: 42:[55, 46, 18, 41], Operations: [] Exploring Operation: 55+46=101, Resulting Numbers: [18, 41, 101] Generated Node #2: [18, 41, 101] from Operation: 55+46=101 Current State: 42:[18, 41, 101], Operations: ['55+46=101'] Exploring Operation: 18+41=59, Resulting Numbers: [101, 59] Generated Node #3: [101, 59] from Operation: 18+41=59 Current State: 42:[101, 59], Operations: ['55+46=101', '18+41=59'] Exploring Operation: 101-59=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[55, 46, 18, 41], Operations: [] Exploring Operation: 55-46=9, Resulting Numbers: [18, 41, 9] Generated Node #0,0: 42:[18, 41, 9] Operation: 55-46=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[18, 41, 9], Operations: ['55-46=9'] Exploring Operation: 18/9=2, Resulting Numbers: [41, 2] Generated Node #0,0,0: 42:[41, 2] Operation: 18/9=2 Moving to Node #0,0,0 Current State: 42:[41, 2], Operations: ['55-46=9', '18/9=2'] Exploring Operation: 41+2=43, Resulting Numbers: [43] 43,42 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
[ 85, 18, 27, 56 ]
38
[ "85-18=67", "56-27=29", "67-29=38" ]
Current State: 38:[85, 18, 27, 56], Operations: [] Exploring Operation: 85-18=67, Resulting Numbers: [27, 56, 67] Generated Node #2: [27, 56, 67] from Operation: 85-18=67 Current State: 38:[27, 56, 67], Operations: ['85-18=67'] Exploring Operation: 56-27=29, Resulting Numbers: [67, 29] Generated Node #3: [67, 29] from Operation: 56-27=29 Current State: 38:[67, 29], Operations: ['85-18=67', '56-27=29'] Exploring Operation: 67-29=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[85, 18, 27, 56], Operations: [] Exploring Operation: 85-56=29, Resulting Numbers: [18, 27, 29] Generated Node #0,0: 38:[18, 27, 29] Operation: 85-56=29 Exploring Operation: 85-27=58, Resulting Numbers: [18, 56, 58] Generated Node #0,1: 38:[18, 56, 58] Operation: 85-27=58 Moving to Node #0,0 Current State: 38:[18, 27, 29], Operations: ['85-56=29'] Exploring Operation: 29-27=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 38:[18, 2] Operation: 29-27=2 Exploring Operation: 18+27=45, Resulting Numbers: [29, 45] Generated Node #0,0,1: 38:[29, 45] Operation: 18+27=45 Moving to Node #0,1 Current State: 38:[18, 56, 58], Operations: ['85-27=58'] Exploring Operation: 58-56=2, Resulting Numbers: [18, 2] Generated Node #0,1,0: 38:[18, 2] Operation: 58-56=2 Exploring Operation: 56-18=38, Resulting Numbers: [58, 38] Generated Node #0,1,1: 38:[58, 38] Operation: 56-18=38 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 38:[18, 2], Operations: ['85-27=58', '58-56=2'] Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,38 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 38:[58, 38], Operations: ['85-27=58', '56-18=38'] Exploring Operation: 58+38=96, Resulting Numbers: [96] 96,38 unequal: No Solution Exploring Operation: 58-38=20, Resulting Numbers: [20] 20,38 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: 38:[18, 2], Operations: ['85-56=29', '29-27=2'] Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,38 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[29, 45], Operations: ['85-56=29', '18+27=45'] Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,38 unequal: No Solution Exploring Operation: 29+45=74, Resulting Numbers: [74] 74,38 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 22, 30, 20, 40 ]
12
[ "30-22=8", "40-20=20", "20-8=12" ]
Current State: 12:[22, 30, 20, 40], Operations: [] Exploring Operation: 30-22=8, Resulting Numbers: [20, 40, 8] Generated Node #2: [20, 40, 8] from Operation: 30-22=8 Current State: 12:[20, 40, 8], Operations: ['30-22=8'] Exploring Operation: 40-20=20, Resulting Numbers: [8, 20] Generated Node #3: [8, 20] from Operation: 40-20=20 Current State: 12:[8, 20], Operations: ['30-22=8', '40-20=20'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[22, 30, 20, 40], Operations: [] Exploring Operation: 40/20=2, Resulting Numbers: [22, 30, 2] Generated Node #0,0: 12:[22, 30, 2] Operation: 40/20=2 Exploring Operation: 40-20=20, Resulting Numbers: [22, 30, 20] Generated Node #0,1: 12:[22, 30, 20] Operation: 40-20=20 Exploring Operation: 40-22=18, Resulting Numbers: [30, 20, 18] Generated Node #0,2: 12:[30, 20, 18] Operation: 40-22=18 Exploring Operation: 40-30=10, Resulting Numbers: [22, 20, 10] Generated Node #0,3: 12:[22, 20, 10] Operation: 40-30=10 Moving to Node #0,3 Current State: 12:[22, 20, 10], Operations: ['40-30=10'] Exploring Operation: 22-10=12, Resulting Numbers: [20, 12] Generated Node #0,3,0: 12:[20, 12] Operation: 22-10=12 Exploring Operation: 20-10=10, Resulting Numbers: [22, 10] Generated Node #0,3,1: 12:[22, 10] Operation: 20-10=10 Exploring Operation: 22-20=2, Resulting Numbers: [10, 2] Generated Node #0,3,2: 12:[10, 2] Operation: 22-20=2 Exploring Operation: 20/10=2, Resulting Numbers: [22, 2] Generated Node #0,3,3: 12:[22, 2] Operation: 20/10=2 Moving to Node #0,0 Current State: 12:[22, 30, 2], Operations: ['40/20=2'] Exploring Operation: 22/2=11, Resulting Numbers: [30, 11] Generated Node #0,0,0: 12:[30, 11] Operation: 22/2=11 Exploring Operation: 22-2=20, Resulting Numbers: [30, 20] Generated Node #0,0,1: 12:[30, 20] Operation: 22-2=20 Exploring Operation: 30/2=15, Resulting Numbers: [22, 15] Generated Node #0,0,2: 12:[22, 15] Operation: 30/2=15 Exploring Operation: 30-22=8, Resulting Numbers: [2, 8] Generated Node #0,0,3: 12:[2, 8] Operation: 30-22=8 Moving to Node #0,2 Current State: 12:[30, 20, 18], Operations: ['40-22=18'] Exploring Operation: 30-20=10, Resulting Numbers: [18, 10] Generated Node #0,2,0: 12:[18, 10] Operation: 30-20=10 Exploring Operation: 20-18=2, Resulting Numbers: [30, 2] Generated Node #0,2,1: 12:[30, 2] Operation: 20-18=2 Exploring Operation: 30-18=12, Resulting Numbers: [20, 12] Generated Node #0,2,2: 12:[20, 12] Operation: 30-18=12 Exploring Operation: 30+20=50, Resulting Numbers: [18, 50] Generated Node #0,2,3: 12:[18, 50] Operation: 30+20=50 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 12:[18, 10], Operations: ['40-22=18', '30-20=10'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 18*10=180, Resulting Numbers: [180] 180,12 unequal: No Solution Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 12:[20, 12], Operations: ['40-22=18', '30-18=12'] Exploring Operation: 20*12=240, Resulting Numbers: [240] 240,12 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 12:[30, 2], Operations: ['40-22=18', '20-18=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,12 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,12 unequal: No Solution Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 12:[18, 50], Operations: ['40-22=18', '30+20=50'] Exploring Operation: 18+50=68, Resulting Numbers: [68] 68,12 unequal: No Solution Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,12 unequal: No Solution Exploring Operation: 18*50=900, Resulting Numbers: [900] 900,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 12:[22, 30, 20], Operations: ['40-20=20'] Exploring Operation: 30-22=8, Resulting Numbers: [20, 8] Generated Node #0,1,0: 12:[20, 8] Operation: 30-22=8 Exploring Operation: 22-20=2, Resulting Numbers: [30, 2] Generated Node #0,1,1: 12:[30, 2] Operation: 22-20=2 Exploring Operation: 30-20=10, Resulting Numbers: [22, 10] Generated Node #0,1,2: 12:[22, 10] Operation: 30-20=10 Exploring Operation: 22+30=52, Resulting Numbers: [20, 52] Generated Node #0,1,3: 12:[20, 52] Operation: 22+30=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[20, 8], Operations: ['40-20=20', '30-22=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[22, 30, 20, 40], Operations: [] Exploring Operation: 40-20=20, Resulting Numbers: [22, 30, 20] Generated Node #0,1: 12:[22, 30, 20] Operation: 40-20=20 Moving to Node #0,1 Current State: 12:[22, 30, 20], Operations: ['40-20=20'] Exploring Operation: 30-22=8, Resulting Numbers: [20, 8] Generated Node #0,1,0: 12:[20, 8] Operation: 30-22=8 Moving to Node #0,1,0 Current State: 12:[20, 8], Operations: ['40-20=20', '30-22=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_4
mult_heuristic
[ 34, 61, 77, 83 ]
89
[ "34+61=95", "83-77=6", "95-6=89" ]
Current State: 89:[34, 61, 77, 83], Operations: [] Exploring Operation: 34+61=95, Resulting Numbers: [77, 83, 95] Generated Node #2: [77, 83, 95] from Operation: 34+61=95 Current State: 89:[77, 83, 95], Operations: ['34+61=95'] Exploring Operation: 83-77=6, Resulting Numbers: [95, 6] Generated Node #3: [95, 6] from Operation: 83-77=6 Current State: 89:[95, 6], Operations: ['34+61=95', '83-77=6'] Exploring Operation: 95-6=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[34, 61, 77, 83], Operations: [] Exploring Operation: 34+61=95, Resulting Numbers: [77, 83, 95] Generated Node #0,0: 89:[77, 83, 95] Operation: 34+61=95 Moving to Node #0,0 Current State: 89:[77, 83, 95], Operations: ['34+61=95'] Exploring Operation: 77+83=160, Resulting Numbers: [95, 160] Generated Node #0,0,0: 89:[95, 160] Operation: 77+83=160 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[95, 160], Operations: ['34+61=95', '77+83=160'] Exploring Operation: 160-95=65, Resulting Numbers: [65] 65,89 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, 51, 11, 1 ]
17
[ "32+1=33", "51*11=561", "561/33=17" ]
Current State: 17:[32, 51, 11, 1], Operations: [] Exploring Operation: 32+1=33, Resulting Numbers: [51, 11, 33] Generated Node #2: [51, 11, 33] from Operation: 32+1=33 Current State: 17:[51, 11, 33], Operations: ['32+1=33'] Exploring Operation: 51*11=561, Resulting Numbers: [33, 561] Generated Node #3: [33, 561] from Operation: 51*11=561 Current State: 17:[33, 561], Operations: ['32+1=33', '51*11=561'] Exploring Operation: 561/33=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[32, 51, 11, 1], Operations: [] Exploring Operation: 51-1=50, Resulting Numbers: [32, 11, 50] Generated Node #0,0: 17:[32, 11, 50] Operation: 51-1=50 Exploring Operation: 32-11=21, Resulting Numbers: [51, 1, 21] Generated Node #0,1: 17:[51, 1, 21] Operation: 32-11=21 Exploring Operation: 51-32=19, Resulting Numbers: [11, 1, 19] Generated Node #0,2: 17:[11, 1, 19] Operation: 51-32=19 Exploring Operation: 32-1=31, Resulting Numbers: [51, 11, 31] Generated Node #0,3: 17:[51, 11, 31] Operation: 32-1=31 Exploring Operation: 51-11=40, Resulting Numbers: [32, 1, 40] Generated Node #0,4: 17:[32, 1, 40] Operation: 51-11=40 Moving to Node #0,2 Current State: 17:[11, 1, 19], Operations: ['51-32=19'] Exploring Operation: 11+1=12, Resulting Numbers: [19, 12] Generated Node #0,2,0: 17:[19, 12] Operation: 11+1=12 Exploring Operation: 11*1=11, Resulting Numbers: [19, 11] Generated Node #0,2,1: 17:[19, 11] Operation: 11*1=11 Exploring Operation: 19-1=18, Resulting Numbers: [11, 18] Generated Node #0,2,2: 17:[11, 18] Operation: 19-1=18 Exploring Operation: 1*19=19, Resulting Numbers: [11, 19] Generated Node #0,2,3: 17:[11, 19] Operation: 1*19=19 Exploring Operation: 11/1=11, Resulting Numbers: [19, 11] Generated Node #0,2,4: 17:[19, 11] Operation: 11/1=11 Moving to Node #0,1 Current State: 17:[51, 1, 21], Operations: ['32-11=21'] Exploring Operation: 51/1=51, Resulting Numbers: [21, 51] Generated Node #0,1,0: 17:[21, 51] Operation: 51/1=51 Exploring Operation: 21-1=20, Resulting Numbers: [51, 20] Generated Node #0,1,1: 17:[51, 20] Operation: 21-1=20 Exploring Operation: 51*1=51, Resulting Numbers: [21, 51] Generated Node #0,1,2: 17:[21, 51] Operation: 51*1=51 Exploring Operation: 51-21=30, Resulting Numbers: [1, 30] Generated Node #0,1,3: 17:[1, 30] Operation: 51-21=30 Exploring Operation: 51-1=50, Resulting Numbers: [21, 50] Generated Node #0,1,4: 17:[21, 50] Operation: 51-1=50 Moving to Node #0,4 Current State: 17:[32, 1, 40], Operations: ['51-11=40'] Exploring Operation: 40-1=39, Resulting Numbers: [32, 39] Generated Node #0,4,0: 17:[32, 39] Operation: 40-1=39 Exploring Operation: 32*1=32, Resulting Numbers: [40, 32] Generated Node #0,4,1: 17:[40, 32] Operation: 32*1=32 Exploring Operation: 40-32=8, Resulting Numbers: [1, 8] Generated Node #0,4,2: 17:[1, 8] Operation: 40-32=8 Exploring Operation: 32/1=32, Resulting Numbers: [40, 32] Generated Node #0,4,3: 17:[40, 32] Operation: 32/1=32 Exploring Operation: 32-1=31, Resulting Numbers: [40, 31] Generated Node #0,4,4: 17:[40, 31] Operation: 32-1=31 Moving to Node #0,0 Current State: 17:[32, 11, 50], Operations: ['51-1=50'] Exploring Operation: 50-11=39, Resulting Numbers: [32, 39] Generated Node #0,0,0: 17:[32, 39] Operation: 50-11=39 Exploring Operation: 32-11=21, Resulting Numbers: [50, 21] Generated Node #0,0,1: 17:[50, 21] Operation: 32-11=21 Exploring Operation: 11+50=61, Resulting Numbers: [32, 61] Generated Node #0,0,2: 17:[32, 61] Operation: 11+50=61 Exploring Operation: 50-32=18, Resulting Numbers: [11, 18] Generated Node #0,0,3: 17:[11, 18] Operation: 50-32=18 Exploring Operation: 32+11=43, Resulting Numbers: [50, 43] Generated Node #0,0,4: 17:[50, 43] Operation: 32+11=43 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 17:[11, 18], Operations: ['51-1=50', '50-32=18'] Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[32, 39], Operations: ['51-1=50', '50-11=39'] Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 32*39=1248, Resulting Numbers: [1248] 1248,17 unequal: No Solution Exploring Operation: 32+39=71, Resulting Numbers: [71] 71,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[50, 21], Operations: ['51-1=50', '32-11=21'] Exploring Operation: 50+21=71, Resulting Numbers: [71] 71,17 unequal: No Solution Exploring Operation: 50-21=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 50*21=1050, Resulting Numbers: [1050] 1050,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[32, 61], Operations: ['51-1=50', '11+50=61'] Exploring Operation: 32+61=93, Resulting Numbers: [93] 93,17 unequal: No Solution Exploring Operation: 61-32=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 32*61=1952, Resulting Numbers: [1952] 1952,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 17:[50, 43], Operations: ['51-1=50', '32+11=43'] Exploring Operation: 50-43=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 50*43=2150, Resulting Numbers: [2150] 2150,17 unequal: No Solution Exploring Operation: 50+43=93, Resulting Numbers: [93] 93,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 17:[51, 11, 31], Operations: ['32-1=31'] Exploring Operation: 51-11=40, Resulting Numbers: [31, 40] Generated Node #0,3,0: 17:[31, 40] Operation: 51-11=40 Exploring Operation: 51+11=62, Resulting Numbers: [31, 62] Generated Node #0,3,1: 17:[31, 62] Operation: 51+11=62 Exploring Operation: 31-11=20, Resulting Numbers: [51, 20] Generated Node #0,3,2: 17:[51, 20] Operation: 31-11=20 Exploring Operation: 11+31=42, Resulting Numbers: [51, 42] Generated Node #0,3,3: 17:[51, 42] Operation: 11+31=42 Exploring Operation: 51-31=20, Resulting Numbers: [11, 20] Generated Node #0,3,4: 17:[11, 20] Operation: 51-31=20 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 17:[11, 20], Operations: ['32-1=31', '51-31=20'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 11*20=220, Resulting Numbers: [220] 220,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 17:[31, 40], Operations: ['32-1=31', '51-11=40'] Exploring Operation: 31+40=71, Resulting Numbers: [71] 71,17 unequal: No Solution Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 31*40=1240, Resulting Numbers: [1240] 1240,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 17:[51, 20], Operations: ['32-1=31', '31-11=20'] Exploring Operation: 51+20=71, Resulting Numbers: [71] 71,17 unequal: No Solution Exploring Operation: 51-20=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 51*20=1020, Resulting Numbers: [1020] 1020,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 17:[31, 62], Operations: ['32-1=31', '51+11=62'] Exploring Operation: 31*62=1922, Resulting Numbers: [1922] 1922,17 unequal: No Solution Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 31+62=93, Resulting Numbers: [93] 93,17 unequal: No Solution Exploring Operation: 62/31=2, Resulting Numbers: [2] 2,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 17:[51, 42], Operations: ['32-1=31', '11+31=42'] Exploring Operation: 51+42=93, Resulting Numbers: [93] 93,17 unequal: No Solution Exploring Operation: 51-42=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 51*42=2142, Resulting Numbers: [2142] 2142,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 17:[19, 12], Operations: ['51-32=19', '11+1=12'] Exploring Operation: 19*12=228, Resulting Numbers: [228] 228,17 unequal: No Solution Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,17 unequal: No Solution Moving to Node #0,2,2 Current State: 17:[11, 18], Operations: ['51-32=19', '19-1=18'] Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,17 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[19, 11], Operations: ['51-32=19', '11*1=11'] Exploring Operation: 19*11=209, Resulting Numbers: [209] 209,17 unequal: No Solution Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,17 unequal: No Solution Moving to Node #0,2,4 Current State: 17:[19, 11], Operations: ['51-32=19', '11/1=11'] Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 19+11=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 19*11=209, Resulting Numbers: [209] 209,17 unequal: No Solution Moving to Node #0,2,3 Current State: 17:[11, 19], Operations: ['51-32=19', '1*19=19'] Exploring Operation: 11+19=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 11*19=209, Resulting Numbers: [209] 209,17 unequal: No Solution Moving to Node #0,4,2 Current State: 17:[1, 8], Operations: ['51-11=40', '40-32=8'] Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,17 unequal: No Solution Moving to Node #0,1,3 Current State: 17:[1, 30], Operations: ['32-11=21', '51-21=30'] Exploring Operation: 1*30=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 1+30=31, Resulting Numbers: [31] 31,17 unequal: No Solution Exploring Operation: 30/1=30, Resulting Numbers: [30] 30,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[51, 20], Operations: ['32-11=21', '21-1=20'] Exploring Operation: 51+20=71, Resulting Numbers: [71] 71,17 unequal: No Solution Exploring Operation: 51*20=1020, Resulting Numbers: [1020] 1020,17 unequal: No Solution Exploring Operation: 51-20=31, Resulting Numbers: [31] 31,17 unequal: No Solution Moving to Node #0,4,4 Current State: 17:[40, 31], Operations: ['51-11=40', '32-1=31'] Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,17 unequal: No Solution Exploring Operation: 40*31=1240, Resulting Numbers: [1240] 1240,17 unequal: No Solution Exploring Operation: 40+31=71, Resulting Numbers: [71] 71,17 unequal: No Solution Moving to Node #0,4,0 Current State: 17:[32, 39], Operations: ['51-11=40', '40-1=39'] Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 32*39=1248, Resulting Numbers: [1248] 1248,17 unequal: No Solution Exploring Operation: 32+39=71, Resulting Numbers: [71] 71,17 unequal: No Solution Moving to Node #0,1,4 Current State: 17:[21, 50], Operations: ['32-11=21', '51-1=50'] Exploring Operation: 50-21=29, Resulting Numbers: [29] 29,17 unequal: No Solution Exploring Operation: 21*50=1050, Resulting Numbers: [1050] 1050,17 unequal: No Solution Exploring Operation: 21+50=71, Resulting Numbers: [71] 71,17 unequal: No Solution Moving to Node #0,4,3 Current State: 17:[40, 32], Operations: ['51-11=40', '32/1=32'] Exploring Operation: 40-32=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 40*32=1280, Resulting Numbers: [1280] 1280,17 unequal: No Solution Exploring Operation: 40+32=72, Resulting Numbers: [72] 72,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[21, 51], Operations: ['32-11=21', '51/1=51'] Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 21*51=1071, Resulting Numbers: [1071] 1071,17 unequal: No Solution Exploring Operation: 21+51=72, Resulting Numbers: [72] 72,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[21, 51], Operations: ['32-11=21', '51*1=51'] Exploring Operation: 21*51=1071, Resulting Numbers: [1071] 1071,17 unequal: No Solution Exploring Operation: 21+51=72, Resulting Numbers: [72] 72,17 unequal: No Solution Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,17 unequal: No Solution Moving to Node #0,4,1 Current State: 17:[40, 32], Operations: ['51-11=40', '32*1=32'] Exploring Operation: 40+32=72, Resulting Numbers: [72] 72,17 unequal: No Solution Exploring Operation: 40-32=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 40*32=1280, Resulting Numbers: [1280] 1280,17 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 99, 90, 80, 11 ]
77
[ "99*80=7920", "7920/90=88", "88-11=77" ]
Current State: 77:[99, 90, 80, 11], Operations: [] Exploring Operation: 99*80=7920, Resulting Numbers: [90, 11, 7920] Generated Node #2: [90, 11, 7920] from Operation: 99*80=7920 Current State: 77:[90, 11, 7920], Operations: ['99*80=7920'] Exploring Operation: 7920/90=88, Resulting Numbers: [11, 88] Generated Node #3: [11, 88] from Operation: 7920/90=88 Current State: 77:[11, 88], Operations: ['99*80=7920', '7920/90=88'] Exploring Operation: 88-11=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[99, 90, 80, 11], Operations: [] Exploring Operation: 99-11=88, Resulting Numbers: [90, 80, 88] Generated Node #0,0: 77:[90, 80, 88] Operation: 99-11=88 Exploring Operation: 99-80=19, Resulting Numbers: [90, 11, 19] Generated Node #0,1: 77:[90, 11, 19] Operation: 99-80=19 Exploring Operation: 90-80=10, Resulting Numbers: [99, 11, 10] Generated Node #0,2: 77:[99, 11, 10] Operation: 90-80=10 Exploring Operation: 99/11=9, Resulting Numbers: [90, 80, 9] Generated Node #0,3: 77:[90, 80, 9] Operation: 99/11=9 Exploring Operation: 99-90=9, Resulting Numbers: [80, 11, 9] Generated Node #0,4: 77:[80, 11, 9] Operation: 99-90=9 Moving to Node #0,4 Current State: 77:[80, 11, 9], Operations: ['99-90=9'] Exploring Operation: 80-9=71, Resulting Numbers: [11, 71] Generated Node #0,4,0: 77:[11, 71] Operation: 80-9=71 Exploring Operation: 11+9=20, Resulting Numbers: [80, 20] Generated Node #0,4,1: 77:[80, 20] Operation: 11+9=20 Exploring Operation: 80+9=89, Resulting Numbers: [11, 89] Generated Node #0,4,2: 77:[11, 89] Operation: 80+9=89 Exploring Operation: 11-9=2, Resulting Numbers: [80, 2] Generated Node #0,4,3: 77:[80, 2] Operation: 11-9=2 Exploring Operation: 80-11=69, Resulting Numbers: [9, 69] Generated Node #0,4,4: 77:[9, 69] Operation: 80-11=69 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 77:[11, 71], Operations: ['99-90=9', '80-9=71'] Exploring Operation: 11*71=781, Resulting Numbers: [781] 781,77 unequal: No Solution Exploring Operation: 11+71=82, Resulting Numbers: [82] 82,77 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 77:[80, 2], Operations: ['99-90=9', '11-9=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,77 unequal: No Solution Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,77 unequal: No Solution Exploring Operation: 80*2=160, Resulting Numbers: [160] 160,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 77:[9, 69], Operations: ['99-90=9', '80-11=69'] Exploring Operation: 9*69=621, Resulting Numbers: [621] 621,77 unequal: No Solution Exploring Operation: 9+69=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 69-9=60, Resulting Numbers: [60] 60,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 77:[80, 20], Operations: ['99-90=9', '11+9=20'] Exploring Operation: 80*20=1600, Resulting Numbers: [1600] 1600,77 unequal: No Solution Exploring Operation: 80-20=60, Resulting Numbers: [60] 60,77 unequal: No Solution Exploring Operation: 80/20=4, Resulting Numbers: [4] 4,77 unequal: No Solution Exploring Operation: 80+20=100, Resulting Numbers: [100] 100,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 77:[11, 89], Operations: ['99-90=9', '80+9=89'] Exploring Operation: 89-11=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 11+89=100, Resulting Numbers: [100] 100,77 unequal: No Solution Exploring Operation: 11*89=979, Resulting Numbers: [979] 979,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 77:[90, 80, 9], Operations: ['99/11=9'] Exploring Operation: 90-9=81, Resulting Numbers: [80, 81] Generated Node #0,3,0: 77:[80, 81] Operation: 90-9=81 Exploring Operation: 90+9=99, Resulting Numbers: [80, 99] Generated Node #0,3,1: 77:[80, 99] Operation: 90+9=99 Exploring Operation: 90-80=10, Resulting Numbers: [9, 10] Generated Node #0,3,2: 77:[9, 10] Operation: 90-80=10 Exploring Operation: 80-9=71, Resulting Numbers: [90, 71] Generated Node #0,3,3: 77:[90, 71] Operation: 80-9=71 Exploring Operation: 90/9=10, Resulting Numbers: [80, 10] Generated Node #0,3,4: 77:[80, 10] Operation: 90/9=10 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 77:[9, 10], Operations: ['99/11=9', '90-80=10'] Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,77 unequal: No Solution Exploring Operation: 9*10=90, Resulting Numbers: [90] 90,77 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 77:[80, 10], Operations: ['99/11=9', '90/9=10'] Exploring Operation: 80*10=800, Resulting Numbers: [800] 800,77 unequal: No Solution Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,77 unequal: No Solution Exploring Operation: 80+10=90, Resulting Numbers: [90] 90,77 unequal: No Solution Exploring Operation: 80-10=70, Resulting Numbers: [70] 70,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 77:[80, 81], Operations: ['99/11=9', '90-9=81'] Exploring Operation: 80*81=6480, Resulting Numbers: [6480] 6480,77 unequal: No Solution Exploring Operation: 81-80=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 80+81=161, Resulting Numbers: [161] 161,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 77:[90, 71], Operations: ['99/11=9', '80-9=71'] Exploring Operation: 90+71=161, Resulting Numbers: [161] 161,77 unequal: No Solution Exploring Operation: 90-71=19, Resulting Numbers: [19] 19,77 unequal: No Solution Exploring Operation: 90*71=6390, Resulting Numbers: [6390] 6390,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 77:[80, 99], Operations: ['99/11=9', '90+9=99'] Exploring Operation: 80+99=179, Resulting Numbers: [179] 179,77 unequal: No Solution Exploring Operation: 99-80=19, Resulting Numbers: [19] 19,77 unequal: No Solution Exploring Operation: 80*99=7920, Resulting Numbers: [7920] 7920,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 77:[90, 11, 19], Operations: ['99-80=19'] Exploring Operation: 19-11=8, Resulting Numbers: [90, 8] Generated Node #0,1,0: 77:[90, 8] Operation: 19-11=8 Exploring Operation: 90-11=79, Resulting Numbers: [19, 79] Generated Node #0,1,1: 77:[19, 79] Operation: 90-11=79 Exploring Operation: 90+19=109, Resulting Numbers: [11, 109] Generated Node #0,1,2: 77:[11, 109] Operation: 90+19=109 Exploring Operation: 90-19=71, Resulting Numbers: [11, 71] Generated Node #0,1,3: 77:[11, 71] Operation: 90-19=71 Exploring Operation: 90+11=101, Resulting Numbers: [19, 101] Generated Node #0,1,4: 77:[19, 101] Operation: 90+11=101 Moving to Node #0,2 Current State: 77:[99, 11, 10], Operations: ['90-80=10'] Exploring Operation: 99/11=9, Resulting Numbers: [10, 9] Generated Node #0,2,0: 77:[10, 9] Operation: 99/11=9 Exploring Operation: 11-10=1, Resulting Numbers: [99, 1] Generated Node #0,2,1: 77:[99, 1] Operation: 11-10=1 Exploring Operation: 99-11=88, Resulting Numbers: [10, 88] Generated Node #0,2,2: 77:[10, 88] Operation: 99-11=88 Exploring Operation: 99-10=89, Resulting Numbers: [11, 89] Generated Node #0,2,3: 77:[11, 89] Operation: 99-10=89 Exploring Operation: 99+10=109, Resulting Numbers: [11, 109] Generated Node #0,2,4: 77:[11, 109] Operation: 99+10=109 Moving to Node #0,0 Current State: 77:[90, 80, 88], Operations: ['99-11=88'] Exploring Operation: 90+80=170, Resulting Numbers: [88, 170] Generated Node #0,0,0: 77:[88, 170] Operation: 90+80=170 Exploring Operation: 90+88=178, Resulting Numbers: [80, 178] Generated Node #0,0,1: 77:[80, 178] Operation: 90+88=178 Exploring Operation: 90-80=10, Resulting Numbers: [88, 10] Generated Node #0,0,2: 77:[88, 10] Operation: 90-80=10 Exploring Operation: 90-88=2, Resulting Numbers: [80, 2] Generated Node #0,0,3: 77:[80, 2] Operation: 90-88=2 Exploring Operation: 88-80=8, Resulting Numbers: [90, 8] Generated Node #0,0,4: 77:[90, 8] Operation: 88-80=8 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 77:[80, 2], Operations: ['99-11=88', '90-88=2'] Exploring Operation: 80*2=160, Resulting Numbers: [160] 160,77 unequal: No Solution Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,77 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,77 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[88, 10], Operations: ['99-11=88', '90-80=10'] Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 88*10=880, Resulting Numbers: [880] 880,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 77:[90, 8], Operations: ['99-11=88', '88-80=8'] Exploring Operation: 90*8=720, Resulting Numbers: [720] 720,77 unequal: No Solution Exploring Operation: 90+8=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[88, 170], Operations: ['99-11=88', '90+80=170'] Exploring Operation: 88*170=14960, Resulting Numbers: [14960] 14960,77 unequal: No Solution Exploring Operation: 170-88=82, Resulting Numbers: [82] 82,77 unequal: No Solution Exploring Operation: 88+170=258, Resulting Numbers: [258] 258,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[80, 178], Operations: ['99-11=88', '90+88=178'] Exploring Operation: 178-80=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 80+178=258, Resulting Numbers: [258] 258,77 unequal: No Solution Exploring Operation: 80*178=14240, Resulting Numbers: [14240] 14240,77 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: 77:[10, 9], Operations: ['90-80=10', '99/11=9'] Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,77 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,77 unequal: No Solution Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,77 unequal: No Solution Moving to Node #0,1,3 Current State: 77:[11, 71], Operations: ['99-80=19', '90-19=71'] Exploring Operation: 11+71=82, Resulting Numbers: [82] 82,77 unequal: No Solution Exploring Operation: 11*71=781, Resulting Numbers: [781] 781,77 unequal: No Solution Exploring Operation: 71-11=60, Resulting Numbers: [60] 60,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[19, 79], Operations: ['99-80=19', '90-11=79'] Exploring Operation: 19*79=1501, Resulting Numbers: [1501] 1501,77 unequal: No Solution Exploring Operation: 19+79=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 79-19=60, Resulting Numbers: [60] 60,77 unequal: No Solution Moving to Node #0,2,2 Current State: 77:[10, 88], Operations: ['90-80=10', '99-11=88'] Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 10+88=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 10*88=880, Resulting Numbers: [880] 880,77 unequal: No Solution Moving to Node #0,2,3 Current State: 77:[11, 89], Operations: ['90-80=10', '99-10=89'] Exploring Operation: 11+89=100, Resulting Numbers: [100] 100,77 unequal: No Solution Exploring Operation: 89-11=78, Resulting Numbers: [78] 78,77 unequal: No Solution Exploring Operation: 11*89=979, Resulting Numbers: [979] 979,77 unequal: No Solution Moving to Node #0,1,0 Current State: 77:[90, 8], Operations: ['99-80=19', '19-11=8'] Exploring Operation: 90*8=720, Resulting Numbers: [720] 720,77 unequal: No Solution Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,77 unequal: No Solution Exploring Operation: 90+8=98, Resulting Numbers: [98] 98,77 unequal: No Solution Moving to Node #0,2,1 Current State: 77:[99, 1], Operations: ['90-80=10', '11-10=1'] Exploring Operation: 99+1=100, Resulting Numbers: [100] 100,77 unequal: No Solution Exploring Operation: 99-1=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 99/1=99, Resulting Numbers: [99] 99,77 unequal: No Solution Exploring Operation: 99*1=99, Resulting Numbers: [99] 99,77 unequal: No Solution Moving to Node #0,1,2 Current State: 77:[11, 109], Operations: ['99-80=19', '90+19=109'] Exploring Operation: 109-11=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 11+109=120, Resulting Numbers: [120] 120,77 unequal: No Solution Exploring Operation: 11*109=1199, Resulting Numbers: [1199] 1199,77 unequal: No Solution Moving to Node #0,2,4 Current State: 77:[11, 109], Operations: ['90-80=10', '99+10=109'] Exploring Operation: 109-11=98, Resulting Numbers: [98] 98,77 unequal: No Solution Exploring Operation: 11*109=1199, Resulting Numbers: [1199] 1199,77 unequal: No Solution Exploring Operation: 11+109=120, Resulting Numbers: [120] 120,77 unequal: No Solution Moving to Node #0,1,4 Current State: 77:[19, 101], Operations: ['99-80=19', '90+11=101'] Exploring Operation: 101-19=82, Resulting Numbers: [82] 82,77 unequal: No Solution Exploring Operation: 19+101=120, Resulting Numbers: [120] 120,77 unequal: No Solution Exploring Operation: 19*101=1919, Resulting Numbers: [1919] 1919,77 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 62, 38, 45, 33 ]
85
[ "62-45=17", "38-33=5", "17*5=85" ]
Current State: 85:[62, 38, 45, 33], Operations: [] Exploring Operation: 62-45=17, Resulting Numbers: [38, 33, 17] Generated Node #2: [38, 33, 17] from Operation: 62-45=17 Current State: 85:[38, 33, 17], Operations: ['62-45=17'] Exploring Operation: 38-33=5, Resulting Numbers: [17, 5] Generated Node #3: [17, 5] from Operation: 38-33=5 Current State: 85:[17, 5], Operations: ['62-45=17', '38-33=5'] Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[62, 38, 45, 33], Operations: [] Exploring Operation: 62-45=17, Resulting Numbers: [38, 33, 17] Generated Node #0,0: 85:[38, 33, 17] Operation: 62-45=17 Exploring Operation: 38+45=83, Resulting Numbers: [62, 33, 83] Generated Node #0,1: 85:[62, 33, 83] Operation: 38+45=83 Exploring Operation: 45-33=12, Resulting Numbers: [62, 38, 12] Generated Node #0,2: 85:[62, 38, 12] Operation: 45-33=12 Exploring Operation: 45-38=7, Resulting Numbers: [62, 33, 7] Generated Node #0,3: 85:[62, 33, 7] Operation: 45-38=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[38, 33, 17], Operations: ['62-45=17'] Exploring Operation: 38-17=21, Resulting Numbers: [33, 21] Generated Node #0,0,0: 85:[33, 21] Operation: 38-17=21 Exploring Operation: 38-33=5, Resulting Numbers: [17, 5] Generated Node #0,0,1: 85:[17, 5] Operation: 38-33=5 Exploring Operation: 33-17=16, Resulting Numbers: [38, 16] Generated Node #0,0,2: 85:[38, 16] Operation: 33-17=16 Exploring Operation: 38+33=71, Resulting Numbers: [17, 71] Generated Node #0,0,3: 85:[17, 71] Operation: 38+33=71 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 85:[17, 5], Operations: ['62-45=17', '38-33=5'] Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[62, 38, 45, 33], Operations: [] Exploring Operation: 62-45=17, Resulting Numbers: [38, 33, 17] Generated Node #0,0: 85:[38, 33, 17] Operation: 62-45=17 Moving to Node #0,0 Current State: 85:[38, 33, 17], Operations: ['62-45=17'] Exploring Operation: 38-33=5, Resulting Numbers: [17, 5] Generated Node #0,0,1: 85:[17, 5] Operation: 38-33=5 Moving to Node #0,0,1 Current State: 85:[17, 5], Operations: ['62-45=17', '38-33=5'] Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 51, 59, 47, 80 ]
57
[ "59-51=8", "80/8=10", "47+10=57" ]
Current State: 57:[51, 59, 47, 80], Operations: [] Exploring Operation: 59-51=8, Resulting Numbers: [47, 80, 8] Generated Node #2: [47, 80, 8] from Operation: 59-51=8 Current State: 57:[47, 80, 8], Operations: ['59-51=8'] Exploring Operation: 80/8=10, Resulting Numbers: [47, 10] Generated Node #3: [47, 10] from Operation: 80/8=10 Current State: 57:[47, 10], Operations: ['59-51=8', '80/8=10'] Exploring Operation: 47+10=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[51, 59, 47, 80], Operations: [] Exploring Operation: 80-47=33, Resulting Numbers: [51, 59, 33] Generated Node #0,0: 57:[51, 59, 33] Operation: 80-47=33 Exploring Operation: 80-59=21, Resulting Numbers: [51, 47, 21] Generated Node #0,1: 57:[51, 47, 21] Operation: 80-59=21 Exploring Operation: 80-51=29, Resulting Numbers: [59, 47, 29] Generated Node #0,2: 57:[59, 47, 29] Operation: 80-51=29 Start Sub Search at level 1: Moving to Node #0,1 Current State: 57:[51, 47, 21], Operations: ['80-59=21'] Exploring Operation: 51-47=4, Resulting Numbers: [21, 4] Generated Node #0,1,0: 57:[21, 4] Operation: 51-47=4 Exploring Operation: 47-21=26, Resulting Numbers: [51, 26] Generated Node #0,1,1: 57:[51, 26] Operation: 47-21=26 Exploring Operation: 47+21=68, Resulting Numbers: [51, 68] Generated Node #0,1,2: 57:[51, 68] Operation: 47+21=68 Moving to Node #0,1,0 Current State: 57:[21, 4], Operations: ['80-59=21', '51-47=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,57 unequal: No Solution Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,57 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[51, 26], Operations: ['80-59=21', '47-21=26'] Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,57 unequal: No Solution Exploring Operation: 51*26=1326, Resulting Numbers: [1326] 1326,57 unequal: No Solution Exploring Operation: 51+26=77, Resulting Numbers: [77] 77,57 unequal: No Solution Moving to Node #0,1,2 Current State: 57:[51, 68], Operations: ['80-59=21', '47+21=68'] Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,57 unequal: No Solution Exploring Operation: 51*68=3468, Resulting Numbers: [3468] 3468,57 unequal: No Solution Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,57 unequal: No Solution No 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: 57:[51, 59, 33], Operations: ['80-47=33'] Exploring Operation: 51-33=18, Resulting Numbers: [59, 18] Generated Node #0,0,0: 57:[59, 18] Operation: 51-33=18 Exploring Operation: 59-33=26, Resulting Numbers: [51, 26] Generated Node #0,0,1: 57:[51, 26] Operation: 59-33=26 Exploring Operation: 59-51=8, Resulting Numbers: [33, 8] Generated Node #0,0,2: 57:[33, 8] Operation: 59-51=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[59, 18], Operations: ['80-47=33', '51-33=18'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 59*18=1062, Resulting Numbers: [1062] 1062,57 unequal: No Solution Exploring Operation: 59+18=77, Resulting Numbers: [77] 77,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 57:[51, 26], Operations: ['80-47=33', '59-33=26'] Exploring Operation: 51+26=77, Resulting Numbers: [77] 77,57 unequal: No Solution Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,57 unequal: No Solution Exploring Operation: 51*26=1326, Resulting Numbers: [1326] 1326,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 57:[33, 8], Operations: ['80-47=33', '59-51=8'] Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,57 unequal: No Solution Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[59, 47, 29], Operations: ['80-51=29'] Exploring Operation: 59-47=12, Resulting Numbers: [29, 12] Generated Node #0,2,0: 57:[29, 12] Operation: 59-47=12 Exploring Operation: 47-29=18, Resulting Numbers: [59, 18] Generated Node #0,2,1: 57:[59, 18] Operation: 47-29=18 Exploring Operation: 59-29=30, Resulting Numbers: [47, 30] Generated Node #0,2,2: 57:[47, 30] Operation: 59-29=30 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 57:[59, 18], Operations: ['80-51=29', '47-29=18'] Exploring Operation: 59+18=77, Resulting Numbers: [77] 77,57 unequal: No Solution Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 59*18=1062, Resulting Numbers: [1062] 1062,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 57:[29, 12], Operations: ['80-51=29', '59-47=12'] Exploring Operation: 29+12=41, Resulting Numbers: [41] 41,57 unequal: No Solution Exploring Operation: 29*12=348, Resulting Numbers: [348] 348,57 unequal: No Solution Exploring Operation: 29-12=17, Resulting Numbers: [17] 17,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 57:[47, 30], Operations: ['80-51=29', '59-29=30'] Exploring Operation: 47*30=1410, Resulting Numbers: [1410] 1410,57 unequal: No Solution Exploring Operation: 47+30=77, Resulting Numbers: [77] 77,57 unequal: No Solution Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,57 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 14, 27, 28, 38 ]
46
[ "28/14=2", "38/2=19", "27+19=46" ]
Current State: 46:[14, 27, 28, 38], Operations: [] Exploring Operation: 28/14=2, Resulting Numbers: [27, 38, 2] Generated Node #2: [27, 38, 2] from Operation: 28/14=2 Current State: 46:[27, 38, 2], Operations: ['28/14=2'] Exploring Operation: 38/2=19, Resulting Numbers: [27, 19] Generated Node #3: [27, 19] from Operation: 38/2=19 Current State: 46:[27, 19], Operations: ['28/14=2', '38/2=19'] Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[14, 27, 28, 38], Operations: [] Exploring Operation: 28/14=2, Resulting Numbers: [27, 38, 2] Generated Node #0,0: 46:[27, 38, 2] Operation: 28/14=2 Exploring Operation: 38-14=24, Resulting Numbers: [27, 28, 24] Generated Node #0,1: 46:[27, 28, 24] Operation: 38-14=24 Moving to Node #0,1 Current State: 46:[27, 28, 24], Operations: ['38-14=24'] Exploring Operation: 28-27=1, Resulting Numbers: [24, 1] Generated Node #0,1,0: 46:[24, 1] Operation: 28-27=1 Exploring Operation: 27-24=3, Resulting Numbers: [28, 3] Generated Node #0,1,1: 46:[28, 3] Operation: 27-24=3 Moving to Node #0,0 Current State: 46:[27, 38, 2], Operations: ['28/14=2'] Exploring Operation: 38-27=11, Resulting Numbers: [2, 11] Generated Node #0,0,0: 46:[2, 11] Operation: 38-27=11 Exploring Operation: 38/2=19, Resulting Numbers: [27, 19] Generated Node #0,0,1: 46:[27, 19] Operation: 38/2=19 Moving to Node #0,1,0 Current State: 46:[24, 1], Operations: ['38-14=24', '28-27=1'] Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,46 unequal: No Solution Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[28, 3], Operations: ['38-14=24', '27-24=3'] Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,46 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,46 unequal: No Solution Moving to Node #0,0,1 Current State: 46:[27, 19], Operations: ['28/14=2', '38/2=19'] Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[14, 27, 28, 38], Operations: [] Exploring Operation: 28/14=2, Resulting Numbers: [27, 38, 2] Generated Node #0,0: 46:[27, 38, 2] Operation: 28/14=2 Moving to Node #0,0 Current State: 46:[27, 38, 2], Operations: ['28/14=2'] Exploring Operation: 38/2=19, Resulting Numbers: [27, 19] Generated Node #0,0,1: 46:[27, 19] Operation: 38/2=19 Moving to Node #0,0,1 Current State: 46:[27, 19], Operations: ['28/14=2', '38/2=19'] Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 56, 36, 72, 80 ]
60
[ "56+36=92", "72+80=152", "152-92=60" ]
Current State: 60:[56, 36, 72, 80], Operations: [] Exploring Operation: 56+36=92, Resulting Numbers: [72, 80, 92] Generated Node #2: [72, 80, 92] from Operation: 56+36=92 Current State: 60:[72, 80, 92], Operations: ['56+36=92'] Exploring Operation: 72+80=152, Resulting Numbers: [92, 152] Generated Node #3: [92, 152] from Operation: 72+80=152 Current State: 60:[92, 152], Operations: ['56+36=92', '72+80=152'] Exploring Operation: 152-92=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[56, 36, 72, 80], Operations: [] Exploring Operation: 80-72=8, Resulting Numbers: [56, 36, 8] Generated Node #0,0: 60:[56, 36, 8] Operation: 80-72=8 Exploring Operation: 72/36=2, Resulting Numbers: [56, 80, 2] Generated Node #0,1: 60:[56, 80, 2] Operation: 72/36=2 Exploring Operation: 80-56=24, Resulting Numbers: [36, 72, 24] Generated Node #0,2: 60:[36, 72, 24] Operation: 80-56=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[56, 36, 8], Operations: ['80-72=8'] Exploring Operation: 56/8=7, Resulting Numbers: [36, 7] Generated Node #0,0,0: 60:[36, 7] Operation: 56/8=7 Exploring Operation: 56-36=20, Resulting Numbers: [8, 20] Generated Node #0,0,1: 60:[8, 20] Operation: 56-36=20 Exploring Operation: 36-8=28, Resulting Numbers: [56, 28] Generated Node #0,0,2: 60:[56, 28] Operation: 36-8=28 Moving to Node #0,0,1 Current State: 60:[8, 20], Operations: ['80-72=8', '56-36=20'] Exploring Operation: 8+20=28, Resulting Numbers: [28] 28,60 unequal: No Solution Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 8*20=160, Resulting Numbers: [160] 160,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[56, 28], Operations: ['80-72=8', '36-8=28'] Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,60 unequal: No Solution Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,60 unequal: No Solution Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[36, 7], Operations: ['80-72=8', '56/8=7'] Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,60 unequal: No Solution Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,60 unequal: No Solution Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,60 unequal: No Solution No 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: 60:[36, 72, 24], Operations: ['80-56=24'] Exploring Operation: 72/36=2, Resulting Numbers: [24, 2] Generated Node #0,2,0: 60:[24, 2] Operation: 72/36=2 Exploring Operation: 72/24=3, Resulting Numbers: [36, 3] Generated Node #0,2,1: 60:[36, 3] Operation: 72/24=3 Exploring Operation: 72-36=36, Resulting Numbers: [24, 36] Generated Node #0,2,2: 60:[24, 36] Operation: 72-36=36 Moving to Node #0,2,0 Current State: 60:[24, 2], Operations: ['80-56=24', '72/36=2'] Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,60 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[36, 3], Operations: ['80-56=24', '72/24=3'] Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[24, 36], Operations: ['80-56=24', '72-36=36'] Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,60 unequal: No Solution Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[56, 36, 72, 80], Operations: [] Exploring Operation: 80-56=24, Resulting Numbers: [36, 72, 24] Generated Node #0,2: 60:[36, 72, 24] Operation: 80-56=24 Moving to Node #0,2 Current State: 60:[36, 72, 24], Operations: ['80-56=24'] Exploring Operation: 72-36=36, Resulting Numbers: [24, 36] Generated Node #0,2,2: 60:[24, 36] Operation: 72-36=36 Moving to Node #0,2,2 Current State: 60:[24, 36], Operations: ['80-56=24', '72-36=36'] Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 75, 21, 74, 93 ]
71
[ "75+21=96", "74+93=167", "167-96=71" ]
Current State: 71:[75, 21, 74, 93], Operations: [] Exploring Operation: 75+21=96, Resulting Numbers: [74, 93, 96] Generated Node #2: [74, 93, 96] from Operation: 75+21=96 Current State: 71:[74, 93, 96], Operations: ['75+21=96'] Exploring Operation: 74+93=167, Resulting Numbers: [96, 167] Generated Node #3: [96, 167] from Operation: 74+93=167 Current State: 71:[96, 167], Operations: ['75+21=96', '74+93=167'] Exploring Operation: 167-96=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[75, 21, 74, 93], Operations: [] Exploring Operation: 74-21=53, Resulting Numbers: [75, 93, 53] Generated Node #0,0: 71:[75, 93, 53] Operation: 74-21=53 Exploring Operation: 75-21=54, Resulting Numbers: [74, 93, 54] Generated Node #0,1: 71:[74, 93, 54] Operation: 75-21=54 Exploring Operation: 93-21=72, Resulting Numbers: [75, 74, 72] Generated Node #0,2: 71:[75, 74, 72] Operation: 93-21=72 Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[75, 74, 72], Operations: ['93-21=72'] Exploring Operation: 74-72=2, Resulting Numbers: [75, 2] Generated Node #0,2,0: 71:[75, 2] Operation: 74-72=2 Exploring Operation: 75-72=3, Resulting Numbers: [74, 3] Generated Node #0,2,1: 71:[74, 3] Operation: 75-72=3 Exploring Operation: 75-74=1, Resulting Numbers: [72, 1] Generated Node #0,2,2: 71:[72, 1] Operation: 75-74=1 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[74, 3], Operations: ['93-21=72', '75-72=3'] Exploring Operation: 74*3=222, Resulting Numbers: [222] 222,71 unequal: No Solution Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[75, 21, 74, 93], Operations: [] Exploring Operation: 93-21=72, Resulting Numbers: [75, 74, 72] Generated Node #0,2: 71:[75, 74, 72] Operation: 93-21=72 Moving to Node #0,2 Current State: 71:[75, 74, 72], Operations: ['93-21=72'] Exploring Operation: 75-72=3, Resulting Numbers: [74, 3] Generated Node #0,2,1: 71:[74, 3] Operation: 75-72=3 Moving to Node #0,2,1 Current State: 71:[74, 3], Operations: ['93-21=72', '75-72=3'] Exploring Operation: 74-3=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 13, 20, 84, 70 ]
11
[ "20*84=1680", "1680/70=24", "24-13=11" ]
Current State: 11:[13, 20, 84, 70], Operations: [] Exploring Operation: 20*84=1680, Resulting Numbers: [13, 70, 1680] Generated Node #2: [13, 70, 1680] from Operation: 20*84=1680 Current State: 11:[13, 70, 1680], Operations: ['20*84=1680'] Exploring Operation: 1680/70=24, Resulting Numbers: [13, 24] Generated Node #3: [13, 24] from Operation: 1680/70=24 Current State: 11:[13, 24], Operations: ['20*84=1680', '1680/70=24'] Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[13, 20, 84, 70], Operations: [] Exploring Operation: 84-20=64, Resulting Numbers: [13, 70, 64] Generated Node #0,0: 11:[13, 70, 64] Operation: 84-20=64 Exploring Operation: 84-70=14, Resulting Numbers: [13, 20, 14] Generated Node #0,1: 11:[13, 20, 14] Operation: 84-70=14 Moving to Node #0,1 Current State: 11:[13, 20, 14], Operations: ['84-70=14'] Exploring Operation: 20-14=6, Resulting Numbers: [13, 6] Generated Node #0,1,0: 11:[13, 6] Operation: 20-14=6 Exploring Operation: 20-13=7, Resulting Numbers: [14, 7] Generated Node #0,1,1: 11:[14, 7] Operation: 20-13=7 Moving to Node #0,0 Current State: 11:[13, 70, 64], Operations: ['84-20=64'] Exploring Operation: 70-13=57, Resulting Numbers: [64, 57] Generated Node #0,0,0: 11:[64, 57] Operation: 70-13=57 Exploring Operation: 70-64=6, Resulting Numbers: [13, 6] Generated Node #0,0,1: 11:[13, 6] Operation: 70-64=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[13, 6], Operations: ['84-20=64', '70-64=6'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,11 unequal: No Solution Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[64, 57], Operations: ['84-20=64', '70-13=57'] Exploring Operation: 64-57=7, Resulting Numbers: [7] 7,11 unequal: No Solution Exploring Operation: 64+57=121, Resulting Numbers: [121] 121,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 11:[13, 6], Operations: ['84-70=14', '20-14=6'] Exploring Operation: 13+6=19, Resulting Numbers: [19] 19,11 unequal: No Solution Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[14, 7], Operations: ['84-70=14', '20-13=7'] Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,11 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,11 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 82, 41, 37, 76 ]
80
[ "82-41=41", "76-37=39", "41+39=80" ]
Current State: 80:[82, 41, 37, 76], Operations: [] Exploring Operation: 82-41=41, Resulting Numbers: [37, 76, 41] Generated Node #2: [37, 76, 41] from Operation: 82-41=41 Current State: 80:[37, 76, 41], Operations: ['82-41=41'] Exploring Operation: 76-37=39, Resulting Numbers: [41, 39] Generated Node #3: [41, 39] from Operation: 76-37=39 Current State: 80:[41, 39], Operations: ['82-41=41', '76-37=39'] Exploring Operation: 41+39=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[82, 41, 37, 76], Operations: [] Exploring Operation: 76-37=39, Resulting Numbers: [82, 41, 39] Generated Node #0,0: 80:[82, 41, 39] Operation: 76-37=39 Exploring Operation: 82-41=41, Resulting Numbers: [37, 76, 41] Generated Node #0,1: 80:[37, 76, 41] Operation: 82-41=41 Exploring Operation: 41-37=4, Resulting Numbers: [82, 76, 4] Generated Node #0,2: 80:[82, 76, 4] Operation: 41-37=4 Exploring Operation: 82-76=6, Resulting Numbers: [41, 37, 6] Generated Node #0,3: 80:[41, 37, 6] Operation: 82-76=6 Exploring Operation: 82/41=2, Resulting Numbers: [37, 76, 2] Generated Node #0,4: 80:[37, 76, 2] Operation: 82/41=2 Moving to Node #0,0 Current State: 80:[82, 41, 39], Operations: ['76-37=39'] Exploring Operation: 82-39=43, Resulting Numbers: [41, 43] Generated Node #0,0,0: 80:[41, 43] Operation: 82-39=43 Exploring Operation: 41+39=80, Resulting Numbers: [82, 80] Generated Node #0,0,1: 80:[82, 80] Operation: 41+39=80 Exploring Operation: 41-39=2, Resulting Numbers: [82, 2] Generated Node #0,0,2: 80:[82, 2] Operation: 41-39=2 Exploring Operation: 82-41=41, Resulting Numbers: [39, 41] Generated Node #0,0,3: 80:[39, 41] Operation: 82-41=41 Exploring Operation: 82/41=2, Resulting Numbers: [39, 2] Generated Node #0,0,4: 80:[39, 2] Operation: 82/41=2 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 80:[39, 2], Operations: ['76-37=39', '82/41=2'] Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,80 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,80 unequal: No Solution Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,80 unequal: No Solution No 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: 80:[82, 80], Operations: ['76-37=39', '41+39=80'] Exploring Operation: 82*80=6560, Resulting Numbers: [6560] 6560,80 unequal: No Solution Exploring Operation: 82+80=162, Resulting Numbers: [162] 162,80 unequal: No Solution Exploring Operation: 82-80=2, Resulting Numbers: [2] 2,80 unequal: No Solution No 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: 80:[82, 2], Operations: ['76-37=39', '41-39=2'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[82, 41, 37, 76], Operations: [] Exploring Operation: 76-37=39, Resulting Numbers: [82, 41, 39] Generated Node #0,0: 80:[82, 41, 39] Operation: 76-37=39 Moving to Node #0,0 Current State: 80:[82, 41, 39], Operations: ['76-37=39'] Exploring Operation: 41-39=2, Resulting Numbers: [82, 2] Generated Node #0,0,2: 80:[82, 2] Operation: 41-39=2 Moving to Node #0,0,2 Current State: 80:[82, 2], Operations: ['76-37=39', '41-39=2'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 22, 1, 34, 97 ]
84
[ "22-1=21", "97-34=63", "21+63=84" ]
Current State: 84:[22, 1, 34, 97], Operations: [] Exploring Operation: 22-1=21, Resulting Numbers: [34, 97, 21] Generated Node #2: [34, 97, 21] from Operation: 22-1=21 Current State: 84:[34, 97, 21], Operations: ['22-1=21'] Exploring Operation: 97-34=63, Resulting Numbers: [21, 63] Generated Node #3: [21, 63] from Operation: 97-34=63 Current State: 84:[21, 63], Operations: ['22-1=21', '97-34=63'] Exploring Operation: 21+63=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[22, 1, 34, 97], Operations: [] Exploring Operation: 34-22=12, Resulting Numbers: [1, 97, 12] Generated Node #0,0: 84:[1, 97, 12] Operation: 34-22=12 Exploring Operation: 22-1=21, Resulting Numbers: [34, 97, 21] Generated Node #0,1: 84:[34, 97, 21] Operation: 22-1=21 Exploring Operation: 97-22=75, Resulting Numbers: [1, 34, 75] Generated Node #0,2: 84:[1, 34, 75] Operation: 97-22=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[1, 97, 12], Operations: ['34-22=12'] Exploring Operation: 97-1=96, Resulting Numbers: [12, 96] Generated Node #0,0,0: 84:[12, 96] Operation: 97-1=96 Exploring Operation: 97-12=85, Resulting Numbers: [1, 85] Generated Node #0,0,1: 84:[1, 85] Operation: 97-12=85 Exploring Operation: 1*97=97, Resulting Numbers: [12, 97] Generated Node #0,0,2: 84:[12, 97] Operation: 1*97=97 Moving to Node #0,0,1 Current State: 84:[1, 85], Operations: ['34-22=12', '97-12=85'] Exploring Operation: 1*85=85, Resulting Numbers: [85] 85,84 unequal: No Solution Exploring Operation: 85/1=85, Resulting Numbers: [85] 85,84 unequal: No Solution Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[22, 1, 34, 97], Operations: [] Exploring Operation: 34-22=12, Resulting Numbers: [1, 97, 12] Generated Node #0,0: 84:[1, 97, 12] Operation: 34-22=12 Moving to Node #0,0 Current State: 84:[1, 97, 12], Operations: ['34-22=12'] Exploring Operation: 97-12=85, Resulting Numbers: [1, 85] Generated Node #0,0,1: 84:[1, 85] Operation: 97-12=85 Moving to Node #0,0,1 Current State: 84:[1, 85], Operations: ['34-22=12', '97-12=85'] Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 47, 48, 9, 74 ]
45
[ "74-47=27", "27/9=3", "48-3=45" ]
Current State: 45:[47, 48, 9, 74], Operations: [] Exploring Operation: 74-47=27, Resulting Numbers: [48, 9, 27] Generated Node #2: [48, 9, 27] from Operation: 74-47=27 Current State: 45:[48, 9, 27], Operations: ['74-47=27'] Exploring Operation: 27/9=3, Resulting Numbers: [48, 3] Generated Node #3: [48, 3] from Operation: 27/9=3 Current State: 45:[48, 3], Operations: ['74-47=27', '27/9=3'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[47, 48, 9, 74], Operations: [] Exploring Operation: 74-48=26, Resulting Numbers: [47, 9, 26] Generated Node #0,0: 45:[47, 9, 26] Operation: 74-48=26 Exploring Operation: 74-9=65, Resulting Numbers: [47, 48, 65] Generated Node #0,1: 45:[47, 48, 65] Operation: 74-9=65 Exploring Operation: 74-47=27, Resulting Numbers: [48, 9, 27] Generated Node #0,2: 45:[48, 9, 27] Operation: 74-47=27 Moving to Node #0,0 Current State: 45:[47, 9, 26], Operations: ['74-48=26'] Exploring Operation: 26-9=17, Resulting Numbers: [47, 17] Generated Node #0,0,0: 45:[47, 17] Operation: 26-9=17 Exploring Operation: 47-26=21, Resulting Numbers: [9, 21] Generated Node #0,0,1: 45:[9, 21] Operation: 47-26=21 Exploring Operation: 9+26=35, Resulting Numbers: [47, 35] Generated Node #0,0,2: 45:[47, 35] Operation: 9+26=35 Moving to Node #0,2 Current State: 45:[48, 9, 27], Operations: ['74-47=27'] Exploring Operation: 48-27=21, Resulting Numbers: [9, 21] Generated Node #0,2,0: 45:[9, 21] Operation: 48-27=21 Exploring Operation: 27/9=3, Resulting Numbers: [48, 3] Generated Node #0,2,1: 45:[48, 3] Operation: 27/9=3 Exploring Operation: 27-9=18, Resulting Numbers: [48, 18] Generated Node #0,2,2: 45:[48, 18] Operation: 27-9=18 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 45:[48, 3], Operations: ['74-47=27', '27/9=3'] Exploring Operation: 48+3=51, Resulting Numbers: [51] 51,45 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[47, 48, 9, 74], Operations: [] Exploring Operation: 74-47=27, Resulting Numbers: [48, 9, 27] Generated Node #0,2: 45:[48, 9, 27] Operation: 74-47=27 Moving to Node #0,2 Current State: 45:[48, 9, 27], Operations: ['74-47=27'] Exploring Operation: 27/9=3, Resulting Numbers: [48, 3] Generated Node #0,2,1: 45:[48, 3] Operation: 27/9=3 Moving to Node #0,2,1 Current State: 45:[48, 3], Operations: ['74-47=27', '27/9=3'] Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 40, 96, 65, 95 ]
100
[ "65+95=160", "160/40=4", "96+4=100" ]
Current State: 100:[40, 96, 65, 95], Operations: [] Exploring Operation: 65+95=160, Resulting Numbers: [40, 96, 160] Generated Node #2: [40, 96, 160] from Operation: 65+95=160 Current State: 100:[40, 96, 160], Operations: ['65+95=160'] Exploring Operation: 160/40=4, Resulting Numbers: [96, 4] Generated Node #3: [96, 4] from Operation: 160/40=4 Current State: 100:[96, 4], Operations: ['65+95=160', '160/40=4'] Exploring Operation: 96+4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[40, 96, 65, 95], Operations: [] Exploring Operation: 96-65=31, Resulting Numbers: [40, 95, 31] Generated Node #0,0: 100:[40, 95, 31] Operation: 96-65=31 Exploring Operation: 40+65=105, Resulting Numbers: [96, 95, 105] Generated Node #0,1: 100:[96, 95, 105] Operation: 40+65=105 Exploring Operation: 65-40=25, Resulting Numbers: [96, 95, 25] Generated Node #0,2: 100:[96, 95, 25] Operation: 65-40=25 Exploring Operation: 95-65=30, Resulting Numbers: [40, 96, 30] Generated Node #0,3: 100:[40, 96, 30] Operation: 95-65=30 Exploring Operation: 95-40=55, Resulting Numbers: [96, 65, 55] Generated Node #0,4: 100:[96, 65, 55] Operation: 95-40=55 Moving to Node #0,2 Current State: 100:[96, 95, 25], Operations: ['65-40=25'] Exploring Operation: 95+25=120, Resulting Numbers: [96, 120] Generated Node #0,2,0: 100:[96, 120] Operation: 95+25=120 Exploring Operation: 96-25=71, Resulting Numbers: [95, 71] Generated Node #0,2,1: 100:[95, 71] Operation: 96-25=71 Exploring Operation: 95-25=70, Resulting Numbers: [96, 70] Generated Node #0,2,2: 100:[96, 70] Operation: 95-25=70 Exploring Operation: 96+25=121, Resulting Numbers: [95, 121] Generated Node #0,2,3: 100:[95, 121] Operation: 96+25=121 Exploring Operation: 96-95=1, Resulting Numbers: [25, 1] Generated Node #0,2,4: 100:[25, 1] Operation: 96-95=1 Moving to Node #0,1 Current State: 100:[96, 95, 105], Operations: ['40+65=105'] Exploring Operation: 105-96=9, Resulting Numbers: [95, 9] Generated Node #0,1,0: 100:[95, 9] Operation: 105-96=9 Exploring Operation: 96+95=191, Resulting Numbers: [105, 191] Generated Node #0,1,1: 100:[105, 191] Operation: 96+95=191 Exploring Operation: 96-95=1, Resulting Numbers: [105, 1] Generated Node #0,1,2: 100:[105, 1] Operation: 96-95=1 Exploring Operation: 95+105=200, Resulting Numbers: [96, 200] Generated Node #0,1,3: 100:[96, 200] Operation: 95+105=200 Exploring Operation: 105-95=10, Resulting Numbers: [96, 10] Generated Node #0,1,4: 100:[96, 10] Operation: 105-95=10 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 100:[96, 10], Operations: ['40+65=105', '105-95=10'] Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 96*10=960, Resulting Numbers: [960] 960,100 unequal: No Solution Exploring Operation: 96+10=106, Resulting Numbers: [106] 106,100 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 #0,1,0 Current State: 100:[95, 9], Operations: ['40+65=105', '105-96=9'] Exploring Operation: 95*9=855, Resulting Numbers: [855] 855,100 unequal: No Solution Exploring Operation: 95+9=104, Resulting Numbers: [104] 104,100 unequal: No Solution Exploring Operation: 95-9=86, Resulting Numbers: [86] 86,100 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 #0,1,2 Current State: 100:[105, 1], Operations: ['40+65=105', '96-95=1'] Exploring Operation: 105/1=105, Resulting Numbers: [105] 105,100 unequal: No Solution Exploring Operation: 105*1=105, Resulting Numbers: [105] 105,100 unequal: No Solution Exploring Operation: 105+1=106, Resulting Numbers: [106] 106,100 unequal: No Solution Exploring Operation: 105-1=104, Resulting Numbers: [104] 104,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[105, 191], Operations: ['40+65=105', '96+95=191'] Exploring Operation: 191-105=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 105+191=296, Resulting Numbers: [296] 296,100 unequal: No Solution Exploring Operation: 105*191=20055, Resulting Numbers: [20055] 20055,100 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 #0,1,3 Current State: 100:[96, 200], Operations: ['40+65=105', '95+105=200'] Exploring Operation: 200-96=104, Resulting Numbers: [104] 104,100 unequal: No Solution Exploring Operation: 96+200=296, Resulting Numbers: [296] 296,100 unequal: No Solution Exploring Operation: 96*200=19200, Resulting Numbers: [19200] 19200,100 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: 100:[40, 96, 30], Operations: ['95-65=30'] Exploring Operation: 96+30=126, Resulting Numbers: [40, 126] Generated Node #0,3,0: 100:[40, 126] Operation: 96+30=126 Exploring Operation: 96-30=66, Resulting Numbers: [40, 66] Generated Node #0,3,1: 100:[40, 66] Operation: 96-30=66 Exploring Operation: 40+30=70, Resulting Numbers: [96, 70] Generated Node #0,3,2: 100:[96, 70] Operation: 40+30=70 Exploring Operation: 96-40=56, Resulting Numbers: [30, 56] Generated Node #0,3,3: 100:[30, 56] Operation: 96-40=56 Exploring Operation: 40-30=10, Resulting Numbers: [96, 10] Generated Node #0,3,4: 100:[96, 10] Operation: 40-30=10 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 100:[96, 10], Operations: ['95-65=30', '40-30=10'] Exploring Operation: 96+10=106, Resulting Numbers: [106] 106,100 unequal: No Solution Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 96*10=960, Resulting Numbers: [960] 960,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 100:[30, 56], Operations: ['95-65=30', '96-40=56'] Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,100 unequal: No Solution Exploring Operation: 30+56=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 30*56=1680, Resulting Numbers: [1680] 1680,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 100:[96, 70], Operations: ['95-65=30', '40+30=70'] Exploring Operation: 96*70=6720, Resulting Numbers: [6720] 6720,100 unequal: No Solution Exploring Operation: 96-70=26, Resulting Numbers: [26] 26,100 unequal: No Solution Exploring Operation: 96+70=166, Resulting Numbers: [166] 166,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 100:[40, 66], Operations: ['95-65=30', '96-30=66'] Exploring Operation: 40+66=106, Resulting Numbers: [106] 106,100 unequal: No Solution Exploring Operation: 66-40=26, Resulting Numbers: [26] 26,100 unequal: No Solution Exploring Operation: 40*66=2640, Resulting Numbers: [2640] 2640,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 100:[40, 126], Operations: ['95-65=30', '96+30=126'] Exploring Operation: 40+126=166, Resulting Numbers: [166] 166,100 unequal: No Solution Exploring Operation: 40*126=5040, Resulting Numbers: [5040] 5040,100 unequal: No Solution Exploring Operation: 126-40=86, Resulting Numbers: [86] 86,100 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: 100:[40, 95, 31], Operations: ['96-65=31'] Exploring Operation: 95+31=126, Resulting Numbers: [40, 126] Generated Node #0,0,0: 100:[40, 126] Operation: 95+31=126 Exploring Operation: 95-40=55, Resulting Numbers: [31, 55] Generated Node #0,0,1: 100:[31, 55] Operation: 95-40=55 Exploring Operation: 95-31=64, Resulting Numbers: [40, 64] Generated Node #0,0,2: 100:[40, 64] Operation: 95-31=64 Exploring Operation: 40+31=71, Resulting Numbers: [95, 71] Generated Node #0,0,3: 100:[95, 71] Operation: 40+31=71 Exploring Operation: 40-31=9, Resulting Numbers: [95, 9] Generated Node #0,0,4: 100:[95, 9] Operation: 40-31=9 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 100:[95, 9], Operations: ['96-65=31', '40-31=9'] Exploring Operation: 95*9=855, Resulting Numbers: [855] 855,100 unequal: No Solution Exploring Operation: 95-9=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 95+9=104, Resulting Numbers: [104] 104,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 100:[31, 55], Operations: ['96-65=31', '95-40=55'] Exploring Operation: 31*55=1705, Resulting Numbers: [1705] 1705,100 unequal: No Solution Exploring Operation: 31+55=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 100:[40, 64], Operations: ['96-65=31', '95-31=64'] Exploring Operation: 64-40=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 40*64=2560, Resulting Numbers: [2560] 2560,100 unequal: No Solution Exploring Operation: 40+64=104, Resulting Numbers: [104] 104,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 100:[95, 71], Operations: ['96-65=31', '40+31=71'] Exploring Operation: 95*71=6745, Resulting Numbers: [6745] 6745,100 unequal: No Solution Exploring Operation: 95+71=166, Resulting Numbers: [166] 166,100 unequal: No Solution Exploring Operation: 95-71=24, Resulting Numbers: [24] 24,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 100:[40, 126], Operations: ['96-65=31', '95+31=126'] Exploring Operation: 40*126=5040, Resulting Numbers: [5040] 5040,100 unequal: No Solution Exploring Operation: 40+126=166, Resulting Numbers: [166] 166,100 unequal: No Solution Exploring Operation: 126-40=86, Resulting Numbers: [86] 86,100 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: 100:[96, 65, 55], Operations: ['95-40=55'] Exploring Operation: 96-65=31, Resulting Numbers: [55, 31] Generated Node #0,4,0: 100:[55, 31] Operation: 96-65=31 Exploring Operation: 96+65=161, Resulting Numbers: [55, 161] Generated Node #0,4,1: 100:[55, 161] Operation: 96+65=161 Exploring Operation: 65+55=120, Resulting Numbers: [96, 120] Generated Node #0,4,2: 100:[96, 120] Operation: 65+55=120 Exploring Operation: 65-55=10, Resulting Numbers: [96, 10] Generated Node #0,4,3: 100:[96, 10] Operation: 65-55=10 Exploring Operation: 96-55=41, Resulting Numbers: [65, 41] Generated Node #0,4,4: 100:[65, 41] Operation: 96-55=41 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 100:[96, 10], Operations: ['95-40=55', '65-55=10'] Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 96*10=960, Resulting Numbers: [960] 960,100 unequal: No Solution Exploring Operation: 96+10=106, Resulting Numbers: [106] 106,100 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 #0,4,0 Current State: 100:[55, 31], Operations: ['95-40=55', '96-65=31'] Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 55+31=86, Resulting Numbers: [86] 86,100 unequal: No Solution Exploring Operation: 55*31=1705, Resulting Numbers: [1705] 1705,100 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 #0,4,2 Current State: 100:[96, 120], Operations: ['95-40=55', '65+55=120'] Exploring Operation: 120-96=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 96*120=11520, Resulting Numbers: [11520] 11520,100 unequal: No Solution Exploring Operation: 96+120=216, Resulting Numbers: [216] 216,100 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 #0,4,4 Current State: 100:[65, 41], Operations: ['95-40=55', '96-55=41'] Exploring Operation: 65-41=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 65*41=2665, Resulting Numbers: [2665] 2665,100 unequal: No Solution Exploring Operation: 65+41=106, Resulting Numbers: [106] 106,100 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 #0,4,1 Current State: 100:[55, 161], Operations: ['95-40=55', '96+65=161'] Exploring Operation: 55+161=216, Resulting Numbers: [216] 216,100 unequal: No Solution Exploring Operation: 55*161=8855, Resulting Numbers: [8855] 8855,100 unequal: No Solution Exploring Operation: 161-55=106, Resulting Numbers: [106] 106,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,4 Current State: 100:[25, 1], Operations: ['65-40=25', '96-95=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,100 unequal: No Solution Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,100 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,100 unequal: No Solution Moving to Node #0,2,2 Current State: 100:[96, 70], Operations: ['65-40=25', '95-25=70'] Exploring Operation: 96*70=6720, Resulting Numbers: [6720] 6720,100 unequal: No Solution Exploring Operation: 96+70=166, Resulting Numbers: [166] 166,100 unequal: No Solution Exploring Operation: 96-70=26, Resulting Numbers: [26] 26,100 unequal: No Solution Moving to Node #0,2,0 Current State: 100:[96, 120], Operations: ['65-40=25', '95+25=120'] Exploring Operation: 96+120=216, Resulting Numbers: [216] 216,100 unequal: No Solution Exploring Operation: 120-96=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 96*120=11520, Resulting Numbers: [11520] 11520,100 unequal: No Solution Moving to Node #0,2,1 Current State: 100:[95, 71], Operations: ['65-40=25', '96-25=71'] Exploring Operation: 95+71=166, Resulting Numbers: [166] 166,100 unequal: No Solution Exploring Operation: 95-71=24, Resulting Numbers: [24] 24,100 unequal: No Solution Exploring Operation: 95*71=6745, Resulting Numbers: [6745] 6745,100 unequal: No Solution Moving to Node #0,2,3 Current State: 100:[95, 121], Operations: ['65-40=25', '96+25=121'] Exploring Operation: 95+121=216, Resulting Numbers: [216] 216,100 unequal: No Solution Exploring Operation: 95*121=11495, Resulting Numbers: [11495] 11495,100 unequal: No Solution Exploring Operation: 121-95=26, Resulting Numbers: [26] 26,100 unequal: No Solution No solution found.
0
hs_5
sum_heuristic