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
[ 44, 6, 43, 16 ]
41
[ "6+16=22", "44/22=2", "43-2=41" ]
Current State: 41:[44, 6, 43, 16], Operations: [] Exploring Operation: 6+16=22, Resulting Numbers: [44, 43, 22] Generated Node #2: [44, 43, 22] from Operation: 6+16=22 Current State: 41:[44, 43, 22], Operations: ['6+16=22'] Exploring Operation: 44/22=2, Resulting Numbers: [43, 2] Generated Node #3: [43, 2] from Operation: 44/22=2 Current State: 41:[43, 2], Operations: ['6+16=22', '44/22=2'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[44, 6, 43, 16], Operations: [] Exploring Operation: 6+16=22, Resulting Numbers: [44, 43, 22] Generated Node #0,0: 41:[44, 43, 22] Operation: 6+16=22 Exploring Operation: 44-6=38, Resulting Numbers: [43, 16, 38] Generated Node #0,1: 41:[43, 16, 38] Operation: 44-6=38 Moving to Node #0,0 Current State: 41:[44, 43, 22], Operations: ['6+16=22'] Exploring Operation: 44-22=22, Resulting Numbers: [43, 22] Generated Node #0,0,0: 41:[43, 22] Operation: 44-22=22 Exploring Operation: 43-22=21, Resulting Numbers: [44, 21] Generated Node #0,0,1: 41:[44, 21] Operation: 43-22=21 Moving to Node #0,1 Current State: 41:[43, 16, 38], Operations: ['44-6=38'] Exploring Operation: 16+38=54, Resulting Numbers: [43, 54] Generated Node #0,1,0: 41:[43, 54] Operation: 16+38=54 Exploring Operation: 43-16=27, Resulting Numbers: [38, 27] Generated Node #0,1,1: 41:[38, 27] Operation: 43-16=27 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[43, 54], Operations: ['44-6=38', '16+38=54'] Exploring Operation: 43+54=97, Resulting Numbers: [97] 97,41 unequal: No Solution Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[38, 27], Operations: ['44-6=38', '43-16=27'] Exploring Operation: 38-27=11, Resulting Numbers: [11] 11,41 unequal: No Solution Exploring Operation: 38+27=65, Resulting Numbers: [65] 65,41 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: 41:[43, 22], Operations: ['6+16=22', '44-22=22'] Exploring Operation: 43+22=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[44, 21], Operations: ['6+16=22', '43-22=21'] Exploring Operation: 44+21=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 44-21=23, Resulting Numbers: [23] 23,41 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 13, 29, 56, 67 ]
27
[ "29-13=16", "67-56=11", "16+11=27" ]
Current State: 27:[13, 29, 56, 67], Operations: [] Exploring Operation: 29-13=16, Resulting Numbers: [56, 67, 16] Generated Node #2: [56, 67, 16] from Operation: 29-13=16 Current State: 27:[56, 67, 16], Operations: ['29-13=16'] Exploring Operation: 67-56=11, Resulting Numbers: [16, 11] Generated Node #3: [16, 11] from Operation: 67-56=11 Current State: 27:[16, 11], Operations: ['29-13=16', '67-56=11'] Exploring Operation: 16+11=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[13, 29, 56, 67], Operations: [] Exploring Operation: 67-56=11, Resulting Numbers: [13, 29, 11] Generated Node #0,0: 27:[13, 29, 11] Operation: 67-56=11 Moving to Node #0,0 Current State: 27:[13, 29, 11], Operations: ['67-56=11'] Exploring Operation: 13-11=2, Resulting Numbers: [29, 2] Generated Node #0,0,0: 27:[29, 2] Operation: 13-11=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[29, 2], Operations: ['67-56=11', '13-11=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[13, 29, 56, 67], Operations: [] Exploring Operation: 67-56=11, Resulting Numbers: [13, 29, 11] Generated Node #0,0: 27:[13, 29, 11] Operation: 67-56=11 Moving to Node #0,0 Current State: 27:[13, 29, 11], Operations: ['67-56=11'] Exploring Operation: 13-11=2, Resulting Numbers: [29, 2] Generated Node #0,0,0: 27:[29, 2] Operation: 13-11=2 Moving to Node #0,0,0 Current State: 27:[29, 2], Operations: ['67-56=11', '13-11=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 56, 8, 85, 3 ]
34
[ "56-8=48", "85-3=82", "82-48=34" ]
Current State: 34:[56, 8, 85, 3], Operations: [] Exploring Operation: 56-8=48, Resulting Numbers: [85, 3, 48] Generated Node #2: [85, 3, 48] from Operation: 56-8=48 Current State: 34:[85, 3, 48], Operations: ['56-8=48'] Exploring Operation: 85-3=82, Resulting Numbers: [48, 82] Generated Node #3: [48, 82] from Operation: 85-3=82 Current State: 34:[48, 82], Operations: ['56-8=48', '85-3=82'] Exploring Operation: 82-48=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[56, 8, 85, 3], Operations: [] Exploring Operation: 56/8=7, Resulting Numbers: [85, 3, 7] Generated Node #0,0: 34:[85, 3, 7] Operation: 56/8=7 Exploring Operation: 85-56=29, Resulting Numbers: [8, 3, 29] Generated Node #0,1: 34:[8, 3, 29] Operation: 85-56=29 Exploring Operation: 56-8=48, Resulting Numbers: [85, 3, 48] Generated Node #0,2: 34:[85, 3, 48] Operation: 56-8=48 Moving to Node #0,1 Current State: 34:[8, 3, 29], Operations: ['85-56=29'] Exploring Operation: 29-8=21, Resulting Numbers: [3, 21] Generated Node #0,1,0: 34:[3, 21] Operation: 29-8=21 Exploring Operation: 8-3=5, Resulting Numbers: [29, 5] Generated Node #0,1,1: 34:[29, 5] Operation: 8-3=5 Exploring Operation: 8+29=37, Resulting Numbers: [3, 37] Generated Node #0,1,2: 34:[3, 37] Operation: 8+29=37 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 34:[3, 37], Operations: ['85-56=29', '8+29=37'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[56, 8, 85, 3], Operations: [] Exploring Operation: 85-56=29, Resulting Numbers: [8, 3, 29] Generated Node #0,1: 34:[8, 3, 29] Operation: 85-56=29 Moving to Node #0,1 Current State: 34:[8, 3, 29], Operations: ['85-56=29'] Exploring Operation: 8+29=37, Resulting Numbers: [3, 37] Generated Node #0,1,2: 34:[3, 37] Operation: 8+29=37 Moving to Node #0,1,2 Current State: 34:[3, 37], Operations: ['85-56=29', '8+29=37'] Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 10, 5, 66, 64 ]
13
[ "10+5=15", "66-64=2", "15-2=13" ]
Current State: 13:[10, 5, 66, 64], Operations: [] Exploring Operation: 10+5=15, Resulting Numbers: [66, 64, 15] Generated Node #2: [66, 64, 15] from Operation: 10+5=15 Current State: 13:[66, 64, 15], Operations: ['10+5=15'] Exploring Operation: 66-64=2, Resulting Numbers: [15, 2] Generated Node #3: [15, 2] from Operation: 66-64=2 Current State: 13:[15, 2], Operations: ['10+5=15', '66-64=2'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[10, 5, 66, 64], Operations: [] Exploring Operation: 66-10=56, Resulting Numbers: [5, 64, 56] Generated Node #0,0: 13:[5, 64, 56] Operation: 66-10=56 Exploring Operation: 66-64=2, Resulting Numbers: [10, 5, 2] Generated Node #0,1: 13:[10, 5, 2] Operation: 66-64=2 Moving to Node #0,1 Current State: 13:[10, 5, 2], Operations: ['66-64=2'] Exploring Operation: 10+2=12, Resulting Numbers: [5, 12] Generated Node #0,1,0: 13:[5, 12] Operation: 10+2=12 Exploring Operation: 5*2=10, Resulting Numbers: [10, 10] Generated Node #0,1,1: 13:[10, 10] Operation: 5*2=10 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[10, 10], Operations: ['66-64=2', '5*2=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,13 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[5, 12], Operations: ['66-64=2', '10+2=12'] Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,13 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 13:[5, 64, 56], Operations: ['66-10=56'] Exploring Operation: 64-5=59, Resulting Numbers: [56, 59] Generated Node #0,0,0: 13:[56, 59] Operation: 64-5=59 Exploring Operation: 64-56=8, Resulting Numbers: [5, 8] Generated Node #0,0,1: 13:[5, 8] Operation: 64-56=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 13:[5, 8], Operations: ['66-10=56', '64-56=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[10, 5, 66, 64], Operations: [] Exploring Operation: 66-10=56, Resulting Numbers: [5, 64, 56] Generated Node #0,0: 13:[5, 64, 56] Operation: 66-10=56 Moving to Node #0,0 Current State: 13:[5, 64, 56], Operations: ['66-10=56'] Exploring Operation: 64-56=8, Resulting Numbers: [5, 8] Generated Node #0,0,1: 13:[5, 8] Operation: 64-56=8 Moving to Node #0,0,1 Current State: 13:[5, 8], Operations: ['66-10=56', '64-56=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 68, 12, 44, 61 ]
97
[ "68+12=80", "61-44=17", "80+17=97" ]
Current State: 97:[68, 12, 44, 61], Operations: [] Exploring Operation: 68+12=80, Resulting Numbers: [44, 61, 80] Generated Node #2: [44, 61, 80] from Operation: 68+12=80 Current State: 97:[44, 61, 80], Operations: ['68+12=80'] Exploring Operation: 61-44=17, Resulting Numbers: [80, 17] Generated Node #3: [80, 17] from Operation: 61-44=17 Current State: 97:[80, 17], Operations: ['68+12=80', '61-44=17'] Exploring Operation: 80+17=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[68, 12, 44, 61], Operations: [] Exploring Operation: 68+12=80, Resulting Numbers: [44, 61, 80] Generated Node #0,0: 97:[44, 61, 80] Operation: 68+12=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[44, 61, 80], Operations: ['68+12=80'] Exploring Operation: 44+61=105, Resulting Numbers: [80, 105] Generated Node #0,0,0: 97:[80, 105] Operation: 44+61=105 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[80, 105], Operations: ['68+12=80', '44+61=105'] Exploring Operation: 105-80=25, Resulting Numbers: [25] 25,97 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_1
mult_heuristic
[ 68, 77, 8, 37 ]
36
[ "77-68=9", "8+37=45", "45-9=36" ]
Current State: 36:[68, 77, 8, 37], Operations: [] Exploring Operation: 77-68=9, Resulting Numbers: [8, 37, 9] Generated Node #2: [8, 37, 9] from Operation: 77-68=9 Current State: 36:[8, 37, 9], Operations: ['77-68=9'] Exploring Operation: 8+37=45, Resulting Numbers: [9, 45] Generated Node #3: [9, 45] from Operation: 8+37=45 Current State: 36:[9, 45], Operations: ['77-68=9', '8+37=45'] Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[68, 77, 8, 37], Operations: [] Exploring Operation: 77-68=9, Resulting Numbers: [8, 37, 9] Generated Node #0,0: 36:[8, 37, 9] Operation: 77-68=9 Moving to Node #0,0 Current State: 36:[8, 37, 9], Operations: ['77-68=9'] Exploring Operation: 8+9=17, Resulting Numbers: [37, 17] Generated Node #0,0,0: 36:[37, 17] Operation: 8+9=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 36:[37, 17], Operations: ['77-68=9', '8+9=17'] Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 38, 50, 75, 15 ]
28
[ "38+50=88", "75-15=60", "88-60=28" ]
Current State: 28:[38, 50, 75, 15], Operations: [] Exploring Operation: 38+50=88, Resulting Numbers: [75, 15, 88] Generated Node #2: [75, 15, 88] from Operation: 38+50=88 Current State: 28:[75, 15, 88], Operations: ['38+50=88'] Exploring Operation: 75-15=60, Resulting Numbers: [88, 60] Generated Node #3: [88, 60] from Operation: 75-15=60 Current State: 28:[88, 60], Operations: ['38+50=88', '75-15=60'] Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[38, 50, 75, 15], Operations: [] Exploring Operation: 75-50=25, Resulting Numbers: [38, 15, 25] Generated Node #0,0: 28:[38, 15, 25] Operation: 75-50=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[38, 15, 25], Operations: ['75-50=25'] Exploring Operation: 38-25=13, Resulting Numbers: [15, 13] Generated Node #0,0,0: 28:[15, 13] Operation: 38-25=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[15, 13], Operations: ['75-50=25', '38-25=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[38, 50, 75, 15], Operations: [] Exploring Operation: 75-50=25, Resulting Numbers: [38, 15, 25] Generated Node #0,0: 28:[38, 15, 25] Operation: 75-50=25 Moving to Node #0,0 Current State: 28:[38, 15, 25], Operations: ['75-50=25'] Exploring Operation: 38-25=13, Resulting Numbers: [15, 13] Generated Node #0,0,0: 28:[15, 13] Operation: 38-25=13 Moving to Node #0,0,0 Current State: 28:[15, 13], Operations: ['75-50=25', '38-25=13'] Exploring Operation: 15+13=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 23, 99, 47, 46 ]
54
[ "46/23=2", "99-47=52", "2+52=54" ]
Current State: 54:[23, 99, 47, 46], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [99, 47, 2] Generated Node #2: [99, 47, 2] from Operation: 46/23=2 Current State: 54:[99, 47, 2], Operations: ['46/23=2'] Exploring Operation: 99-47=52, Resulting Numbers: [2, 52] Generated Node #3: [2, 52] from Operation: 99-47=52 Current State: 54:[2, 52], Operations: ['46/23=2', '99-47=52'] Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[23, 99, 47, 46], Operations: [] Exploring Operation: 99-47=52, Resulting Numbers: [23, 46, 52] Generated Node #0,0: 54:[23, 46, 52] Operation: 99-47=52 Exploring Operation: 99-46=53, Resulting Numbers: [23, 47, 53] Generated Node #0,1: 54:[23, 47, 53] Operation: 99-46=53 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[23, 47, 53], Operations: ['99-46=53'] Exploring Operation: 53-47=6, Resulting Numbers: [23, 6] Generated Node #0,1,0: 54:[23, 6] Operation: 53-47=6 Exploring Operation: 47-23=24, Resulting Numbers: [53, 24] Generated Node #0,1,1: 54:[53, 24] Operation: 47-23=24 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[23, 6], Operations: ['99-46=53', '53-47=6'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[53, 24], Operations: ['99-46=53', '47-23=24'] Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,54 unequal: No Solution Exploring Operation: 53-24=29, Resulting Numbers: [29] 29,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[23, 46, 52], Operations: ['99-47=52'] Exploring Operation: 52-46=6, Resulting Numbers: [23, 6] Generated Node #0,0,0: 54:[23, 6] Operation: 52-46=6 Exploring Operation: 46/23=2, Resulting Numbers: [52, 2] Generated Node #0,0,1: 54:[52, 2] Operation: 46/23=2 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 54:[52, 2], Operations: ['99-47=52', '46/23=2'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[23, 99, 47, 46], Operations: [] Exploring Operation: 99-47=52, Resulting Numbers: [23, 46, 52] Generated Node #0,0: 54:[23, 46, 52] Operation: 99-47=52 Moving to Node #0,0 Current State: 54:[23, 46, 52], Operations: ['99-47=52'] Exploring Operation: 46/23=2, Resulting Numbers: [52, 2] Generated Node #0,0,1: 54:[52, 2] Operation: 46/23=2 Moving to Node #0,0,1 Current State: 54:[52, 2], Operations: ['99-47=52', '46/23=2'] Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 70, 12, 25, 63 ]
30
[ "70-12=58", "25+63=88", "88-58=30" ]
Current State: 30:[70, 12, 25, 63], Operations: [] Exploring Operation: 70-12=58, Resulting Numbers: [25, 63, 58] Generated Node #2: [25, 63, 58] from Operation: 70-12=58 Current State: 30:[25, 63, 58], Operations: ['70-12=58'] Exploring Operation: 25+63=88, Resulting Numbers: [58, 88] Generated Node #3: [58, 88] from Operation: 25+63=88 Current State: 30:[58, 88], Operations: ['70-12=58', '25+63=88'] Exploring Operation: 88-58=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[70, 12, 25, 63], Operations: [] Exploring Operation: 63-25=38, Resulting Numbers: [70, 12, 38] Generated Node #0,0: 30:[70, 12, 38] Operation: 63-25=38 Exploring Operation: 70-12=58, Resulting Numbers: [25, 63, 58] Generated Node #0,1: 30:[25, 63, 58] Operation: 70-12=58 Exploring Operation: 70-63=7, Resulting Numbers: [12, 25, 7] Generated Node #0,2: 30:[12, 25, 7] Operation: 70-63=7 Exploring Operation: 70-25=45, Resulting Numbers: [12, 63, 45] Generated Node #0,3: 30:[12, 63, 45] Operation: 70-25=45 Moving to Node #0,2 Current State: 30:[12, 25, 7], Operations: ['70-63=7'] Exploring Operation: 12-7=5, Resulting Numbers: [25, 5] Generated Node #0,2,0: 30:[25, 5] Operation: 12-7=5 Exploring Operation: 25-12=13, Resulting Numbers: [7, 13] Generated Node #0,2,1: 30:[7, 13] Operation: 25-12=13 Exploring Operation: 25-7=18, Resulting Numbers: [12, 18] Generated Node #0,2,2: 30:[12, 18] Operation: 25-7=18 Exploring Operation: 25+7=32, Resulting Numbers: [12, 32] Generated Node #0,2,3: 30:[12, 32] Operation: 25+7=32 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[7, 13], Operations: ['70-63=7', '25-12=13'] Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,30 unequal: No Solution Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 30:[12, 32], Operations: ['70-63=7', '25+7=32'] Exploring Operation: 12+32=44, Resulting Numbers: [44] 44,30 unequal: No Solution Exploring Operation: 32-12=20, Resulting Numbers: [20] 20,30 unequal: No Solution Exploring Operation: 12*32=384, Resulting Numbers: [384] 384,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[25, 5], Operations: ['70-63=7', '12-7=5'] Exploring Operation: 25*5=125, Resulting Numbers: [125] 125,30 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,30 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,30 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[70, 12, 25, 63], Operations: [] Exploring Operation: 70-63=7, Resulting Numbers: [12, 25, 7] Generated Node #0,2: 30:[12, 25, 7] Operation: 70-63=7 Moving to Node #0,2 Current State: 30:[12, 25, 7], Operations: ['70-63=7'] Exploring Operation: 12-7=5, Resulting Numbers: [25, 5] Generated Node #0,2,0: 30:[25, 5] Operation: 12-7=5 Moving to Node #0,2,0 Current State: 30:[25, 5], Operations: ['70-63=7', '12-7=5'] Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 18, 28, 42, 68 ]
16
[ "28-18=10", "68-42=26", "26-10=16" ]
Current State: 16:[18, 28, 42, 68], Operations: [] Exploring Operation: 28-18=10, Resulting Numbers: [42, 68, 10] Generated Node #2: [42, 68, 10] from Operation: 28-18=10 Current State: 16:[42, 68, 10], Operations: ['28-18=10'] Exploring Operation: 68-42=26, Resulting Numbers: [10, 26] Generated Node #3: [10, 26] from Operation: 68-42=26 Current State: 16:[10, 26], Operations: ['28-18=10', '68-42=26'] Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[18, 28, 42, 68], Operations: [] Exploring Operation: 68-42=26, Resulting Numbers: [18, 28, 26] Generated Node #0,0: 16:[18, 28, 26] Operation: 68-42=26 Moving to Node #0,0 Current State: 16:[18, 28, 26], Operations: ['68-42=26'] Exploring Operation: 28-26=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 16:[18, 2] Operation: 28-26=2 Moving to Node #0,0,0 Current State: 16:[18, 2], Operations: ['68-42=26', '28-26=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[18, 28, 42, 68], Operations: [] Exploring Operation: 68-42=26, Resulting Numbers: [18, 28, 26] Generated Node #0,0: 16:[18, 28, 26] Operation: 68-42=26 Moving to Node #0,0 Current State: 16:[18, 28, 26], Operations: ['68-42=26'] Exploring Operation: 28-26=2, Resulting Numbers: [18, 2] Generated Node #0,0,0: 16:[18, 2] Operation: 28-26=2 Moving to Node #0,0,0 Current State: 16:[18, 2], Operations: ['68-42=26', '28-26=2'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 32, 51, 12, 55 ]
86
[ "51-32=19", "12+55=67", "19+67=86" ]
Current State: 86:[32, 51, 12, 55], Operations: [] Exploring Operation: 51-32=19, Resulting Numbers: [12, 55, 19] Generated Node #2: [12, 55, 19] from Operation: 51-32=19 Current State: 86:[12, 55, 19], Operations: ['51-32=19'] Exploring Operation: 12+55=67, Resulting Numbers: [19, 67] Generated Node #3: [19, 67] from Operation: 12+55=67 Current State: 86:[19, 67], Operations: ['51-32=19', '12+55=67'] Exploring Operation: 19+67=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[32, 51, 12, 55], Operations: [] Exploring Operation: 55-12=43, Resulting Numbers: [32, 51, 43] Generated Node #0,0: 86:[32, 51, 43] Operation: 55-12=43 Exploring Operation: 32+55=87, Resulting Numbers: [51, 12, 87] Generated Node #0,1: 86:[51, 12, 87] Operation: 32+55=87 Moving to Node #0,0 Current State: 86:[32, 51, 43], Operations: ['55-12=43'] Exploring Operation: 51-32=19, Resulting Numbers: [43, 19] Generated Node #0,0,0: 86:[43, 19] Operation: 51-32=19 Exploring Operation: 32+51=83, Resulting Numbers: [43, 83] Generated Node #0,0,1: 86:[43, 83] Operation: 32+51=83 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[43, 83], Operations: ['55-12=43', '32+51=83'] Exploring Operation: 83-43=40, Resulting Numbers: [40] 40,86 unequal: No Solution Exploring Operation: 43+83=126, Resulting Numbers: [126] 126,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[43, 19], Operations: ['55-12=43', '51-32=19'] Exploring Operation: 43+19=62, Resulting Numbers: [62] 62,86 unequal: No Solution Exploring Operation: 43-19=24, Resulting Numbers: [24] 24,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 86:[51, 12, 87], Operations: ['32+55=87'] Exploring Operation: 51-12=39, Resulting Numbers: [87, 39] Generated Node #0,1,0: 86:[87, 39] Operation: 51-12=39 Exploring Operation: 87-51=36, Resulting Numbers: [12, 36] Generated Node #0,1,1: 86:[12, 36] Operation: 87-51=36 Moving to Node #0,1,0 Current State: 86:[87, 39], Operations: ['32+55=87', '51-12=39'] Exploring Operation: 87+39=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 87-39=48, Resulting Numbers: [48] 48,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[12, 36], Operations: ['32+55=87', '87-51=36'] Exploring Operation: 12+36=48, Resulting Numbers: [48] 48,86 unequal: No Solution Exploring Operation: 36/12=3, Resulting Numbers: [3] 3,86 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 88, 98, 89, 16 ]
83
[ "98-88=10", "89-16=73", "10+73=83" ]
Current State: 83:[88, 98, 89, 16], Operations: [] Exploring Operation: 98-88=10, Resulting Numbers: [89, 16, 10] Generated Node #2: [89, 16, 10] from Operation: 98-88=10 Current State: 83:[89, 16, 10], Operations: ['98-88=10'] Exploring Operation: 89-16=73, Resulting Numbers: [10, 73] Generated Node #3: [10, 73] from Operation: 89-16=73 Current State: 83:[10, 73], Operations: ['98-88=10', '89-16=73'] Exploring Operation: 10+73=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[88, 98, 89, 16], Operations: [] Exploring Operation: 88+16=104, Resulting Numbers: [98, 89, 104] Generated Node #0,0: 83:[98, 89, 104] Operation: 88+16=104 Exploring Operation: 88-16=72, Resulting Numbers: [98, 89, 72] Generated Node #0,1: 83:[98, 89, 72] Operation: 88-16=72 Exploring Operation: 89-16=73, Resulting Numbers: [88, 98, 73] Generated Node #0,2: 83:[88, 98, 73] Operation: 89-16=73 Exploring Operation: 98-16=82, Resulting Numbers: [88, 89, 82] Generated Node #0,3: 83:[88, 89, 82] Operation: 98-16=82 Start Sub Search at level 1: Moving to Node #0,3 Current State: 83:[88, 89, 82], Operations: ['98-16=82'] Exploring Operation: 89-88=1, Resulting Numbers: [82, 1] Generated Node #0,3,0: 83:[82, 1] Operation: 89-88=1 Exploring Operation: 88-82=6, Resulting Numbers: [89, 6] Generated Node #0,3,1: 83:[89, 6] Operation: 88-82=6 Exploring Operation: 89-82=7, Resulting Numbers: [88, 7] Generated Node #0,3,2: 83:[88, 7] Operation: 89-82=7 Exploring Operation: 88+82=170, Resulting Numbers: [89, 170] Generated Node #0,3,3: 83:[89, 170] Operation: 88+82=170 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 83:[88, 7], Operations: ['98-16=82', '89-82=7'] Exploring Operation: 88+7=95, Resulting Numbers: [95] 95,83 unequal: No Solution Exploring Operation: 88-7=81, Resulting Numbers: [81] 81,83 unequal: No Solution Exploring Operation: 88*7=616, Resulting Numbers: [616] 616,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 83:[82, 1], Operations: ['98-16=82', '89-88=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,83 unequal: No Solution Exploring Operation: 82*1=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[88, 98, 89, 16], Operations: [] Exploring Operation: 98-16=82, Resulting Numbers: [88, 89, 82] Generated Node #0,3: 83:[88, 89, 82] Operation: 98-16=82 Moving to Node #0,3 Current State: 83:[88, 89, 82], Operations: ['98-16=82'] Exploring Operation: 89-88=1, Resulting Numbers: [82, 1] Generated Node #0,3,0: 83:[82, 1] Operation: 89-88=1 Moving to Node #0,3,0 Current State: 83:[82, 1], Operations: ['98-16=82', '89-88=1'] Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 71, 30, 72, 49 ]
42
[ "71*30=2130", "2130-72=2058", "2058/49=42" ]
Current State: 42:[71, 30, 72, 49], Operations: [] Exploring Operation: 71*30=2130, Resulting Numbers: [72, 49, 2130] Generated Node #2: [72, 49, 2130] from Operation: 71*30=2130 Current State: 42:[72, 49, 2130], Operations: ['71*30=2130'] Exploring Operation: 2130-72=2058, Resulting Numbers: [49, 2058] Generated Node #3: [49, 2058] from Operation: 2130-72=2058 Current State: 42:[49, 2058], Operations: ['71*30=2130', '2130-72=2058'] Exploring Operation: 2058/49=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[71, 30, 72, 49], Operations: [] Exploring Operation: 72-71=1, Resulting Numbers: [30, 49, 1] Generated Node #0,0: 42:[30, 49, 1] Operation: 72-71=1 Exploring Operation: 71-49=22, Resulting Numbers: [30, 72, 22] Generated Node #0,1: 42:[30, 72, 22] Operation: 71-49=22 Exploring Operation: 72-30=42, Resulting Numbers: [71, 49, 42] Generated Node #0,2: 42:[71, 49, 42] Operation: 72-30=42 Exploring Operation: 71-30=41, Resulting Numbers: [72, 49, 41] Generated Node #0,3: 42:[72, 49, 41] Operation: 71-30=41 Exploring Operation: 72-49=23, Resulting Numbers: [71, 30, 23] Generated Node #0,4: 42:[71, 30, 23] Operation: 72-49=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[30, 49, 1], Operations: ['72-71=1'] Exploring Operation: 30/1=30, Resulting Numbers: [49, 30] Generated Node #0,0,0: 42:[49, 30] Operation: 30/1=30 Exploring Operation: 30-1=29, Resulting Numbers: [49, 29] Generated Node #0,0,1: 42:[49, 29] Operation: 30-1=29 Exploring Operation: 49-1=48, Resulting Numbers: [30, 48] Generated Node #0,0,2: 42:[30, 48] Operation: 49-1=48 Exploring Operation: 30*1=30, Resulting Numbers: [49, 30] Generated Node #0,0,3: 42:[49, 30] Operation: 30*1=30 Exploring Operation: 49-30=19, Resulting Numbers: [1, 19] Generated Node #0,0,4: 42:[1, 19] Operation: 49-30=19 Moving to Node #0,0,4 Current State: 42:[1, 19], Operations: ['72-71=1', '49-30=19'] Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,42 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 1*19=19, Resulting Numbers: [19] 19,42 unequal: No Solution Moving to Node #0,0,2 Current State: 42:[30, 48], Operations: ['72-71=1', '49-1=48'] Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,42 unequal: No Solution Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,42 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[49, 29], Operations: ['72-71=1', '30-1=29'] Exploring Operation: 49*29=1421, Resulting Numbers: [1421] 1421,42 unequal: No Solution Exploring Operation: 49+29=78, Resulting Numbers: [78] 78,42 unequal: No Solution Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,42 unequal: No Solution Moving to Node #0,0,0 Current State: 42:[49, 30], Operations: ['72-71=1', '30/1=30'] Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,42 unequal: No Solution Exploring Operation: 49+30=79, Resulting Numbers: [79] 79,42 unequal: No Solution Exploring Operation: 49*30=1470, Resulting Numbers: [1470] 1470,42 unequal: No Solution Moving to Node #0,0,3 Current State: 42:[49, 30], Operations: ['72-71=1', '30*1=30'] Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,42 unequal: No Solution Exploring Operation: 49+30=79, Resulting Numbers: [79] 79,42 unequal: No Solution Exploring Operation: 49*30=1470, Resulting Numbers: [1470] 1470,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[71, 49, 42], Operations: ['72-30=42'] Exploring Operation: 71-49=22, Resulting Numbers: [42, 22] Generated Node #0,2,0: 42:[42, 22] Operation: 71-49=22 Exploring Operation: 71+49=120, Resulting Numbers: [42, 120] Generated Node #0,2,1: 42:[42, 120] Operation: 71+49=120 Exploring Operation: 71-42=29, Resulting Numbers: [49, 29] Generated Node #0,2,2: 42:[49, 29] Operation: 71-42=29 Exploring Operation: 49-42=7, Resulting Numbers: [71, 7] Generated Node #0,2,3: 42:[71, 7] Operation: 49-42=7 Exploring Operation: 71+42=113, Resulting Numbers: [49, 113] Generated Node #0,2,4: 42:[49, 113] Operation: 71+42=113 Moving to Node #0,2,0 Current State: 42:[42, 22], Operations: ['72-30=42', '71-49=22'] Exploring Operation: 42*22=924, Resulting Numbers: [924] 924,42 unequal: No Solution Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 42+22=64, Resulting Numbers: [64] 64,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[49, 29], Operations: ['72-30=42', '71-42=29'] Exploring Operation: 49+29=78, Resulting Numbers: [78] 78,42 unequal: No Solution Exploring Operation: 49*29=1421, Resulting Numbers: [1421] 1421,42 unequal: No Solution Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,42 unequal: No Solution Moving to Node #0,2,3 Current State: 42:[71, 7], Operations: ['72-30=42', '49-42=7'] Exploring Operation: 71+7=78, Resulting Numbers: [78] 78,42 unequal: No Solution Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,42 unequal: No Solution Exploring Operation: 71*7=497, Resulting Numbers: [497] 497,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[42, 120], Operations: ['72-30=42', '71+49=120'] Exploring Operation: 120-42=78, Resulting Numbers: [78] 78,42 unequal: No Solution Exploring Operation: 42+120=162, Resulting Numbers: [162] 162,42 unequal: No Solution Exploring Operation: 42*120=5040, Resulting Numbers: [5040] 5040,42 unequal: No Solution Moving to Node #0,2,4 Current State: 42:[49, 113], Operations: ['72-30=42', '71+42=113'] Exploring Operation: 49*113=5537, Resulting Numbers: [5537] 5537,42 unequal: No Solution Exploring Operation: 49+113=162, Resulting Numbers: [162] 162,42 unequal: No Solution Exploring Operation: 113-49=64, Resulting Numbers: [64] 64,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 42:[72, 49, 41], Operations: ['71-30=41'] Exploring Operation: 72-41=31, Resulting Numbers: [49, 31] Generated Node #0,3,0: 42:[49, 31] Operation: 72-41=31 Exploring Operation: 49+41=90, Resulting Numbers: [72, 90] Generated Node #0,3,1: 42:[72, 90] Operation: 49+41=90 Exploring Operation: 49-41=8, Resulting Numbers: [72, 8] Generated Node #0,3,2: 42:[72, 8] Operation: 49-41=8 Exploring Operation: 72-49=23, Resulting Numbers: [41, 23] Generated Node #0,3,3: 42:[41, 23] Operation: 72-49=23 Exploring Operation: 72+41=113, Resulting Numbers: [49, 113] Generated Node #0,3,4: 42:[49, 113] Operation: 72+41=113 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 42:[41, 23], Operations: ['71-30=41', '72-49=23'] Exploring Operation: 41+23=64, Resulting Numbers: [64] 64,42 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 41*23=943, Resulting Numbers: [943] 943,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 42:[49, 31], Operations: ['71-30=41', '72-41=31'] Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,42 unequal: No Solution Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 42:[72, 8], Operations: ['71-30=41', '49-41=8'] Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,42 unequal: No Solution Exploring Operation: 72*8=576, Resulting Numbers: [576] 576,42 unequal: No Solution Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 72+8=80, Resulting Numbers: [80] 80,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 42:[72, 90], Operations: ['71-30=41', '49+41=90'] Exploring Operation: 90-72=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 72*90=6480, Resulting Numbers: [6480] 6480,42 unequal: No Solution Exploring Operation: 72+90=162, Resulting Numbers: [162] 162,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 42:[49, 113], Operations: ['71-30=41', '72+41=113'] Exploring Operation: 113-49=64, Resulting Numbers: [64] 64,42 unequal: No Solution Exploring Operation: 49+113=162, Resulting Numbers: [162] 162,42 unequal: No Solution Exploring Operation: 49*113=5537, Resulting Numbers: [5537] 5537,42 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[30, 72, 22], Operations: ['71-49=22'] Exploring Operation: 30+72=102, Resulting Numbers: [22, 102] Generated Node #0,1,0: 42:[22, 102] Operation: 30+72=102 Exploring Operation: 72-22=50, Resulting Numbers: [30, 50] Generated Node #0,1,1: 42:[30, 50] Operation: 72-22=50 Exploring Operation: 30+22=52, Resulting Numbers: [72, 52] Generated Node #0,1,2: 42:[72, 52] Operation: 30+22=52 Exploring Operation: 72-30=42, Resulting Numbers: [22, 42] Generated Node #0,1,3: 42:[22, 42] Operation: 72-30=42 Exploring Operation: 30-22=8, Resulting Numbers: [72, 8] Generated Node #0,1,4: 42:[72, 8] Operation: 30-22=8 Moving to Node #0,1,3 Current State: 42:[22, 42], Operations: ['71-49=22', '72-30=42'] Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 22*42=924, Resulting Numbers: [924] 924,42 unequal: No Solution Exploring Operation: 22+42=64, Resulting Numbers: [64] 64,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[30, 50], Operations: ['71-49=22', '72-22=50'] Exploring Operation: 30*50=1500, Resulting Numbers: [1500] 1500,42 unequal: No Solution Exploring Operation: 50-30=20, Resulting Numbers: [20] 20,42 unequal: No Solution Exploring Operation: 30+50=80, Resulting Numbers: [80] 80,42 unequal: No Solution Moving to Node #0,1,4 Current State: 42:[72, 8], Operations: ['71-49=22', '30-22=8'] Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 72+8=80, Resulting Numbers: [80] 80,42 unequal: No Solution Exploring Operation: 72*8=576, Resulting Numbers: [576] 576,42 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,42 unequal: No Solution Moving to Node #0,1,2 Current State: 42:[72, 52], Operations: ['71-49=22', '30+22=52'] Exploring Operation: 72+52=124, Resulting Numbers: [124] 124,42 unequal: No Solution Exploring Operation: 72*52=3744, Resulting Numbers: [3744] 3744,42 unequal: No Solution Exploring Operation: 72-52=20, Resulting Numbers: [20] 20,42 unequal: No Solution Moving to Node #0,1,0 Current State: 42:[22, 102], Operations: ['71-49=22', '30+72=102'] Exploring Operation: 22+102=124, Resulting Numbers: [124] 124,42 unequal: No Solution Exploring Operation: 22*102=2244, Resulting Numbers: [2244] 2244,42 unequal: No Solution Exploring Operation: 102-22=80, Resulting Numbers: [80] 80,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 42:[71, 30, 23], Operations: ['72-49=23'] Exploring Operation: 30+23=53, Resulting Numbers: [71, 53] Generated Node #0,4,0: 42:[71, 53] Operation: 30+23=53 Exploring Operation: 71-23=48, Resulting Numbers: [30, 48] Generated Node #0,4,1: 42:[30, 48] Operation: 71-23=48 Exploring Operation: 71+30=101, Resulting Numbers: [23, 101] Generated Node #0,4,2: 42:[23, 101] Operation: 71+30=101 Exploring Operation: 30-23=7, Resulting Numbers: [71, 7] Generated Node #0,4,3: 42:[71, 7] Operation: 30-23=7 Exploring Operation: 71-30=41, Resulting Numbers: [23, 41] Generated Node #0,4,4: 42:[23, 41] Operation: 71-30=41 Moving to Node #0,4,4 Current State: 42:[23, 41], Operations: ['72-49=23', '71-30=41'] Exploring Operation: 23*41=943, Resulting Numbers: [943] 943,42 unequal: No Solution Exploring Operation: 23+41=64, Resulting Numbers: [64] 64,42 unequal: No Solution Exploring Operation: 41-23=18, Resulting Numbers: [18] 18,42 unequal: No Solution Moving to Node #0,4,1 Current State: 42:[30, 48], Operations: ['72-49=23', '71-23=48'] Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,42 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,42 unequal: No Solution Moving to Node #0,4,3 Current State: 42:[71, 7], Operations: ['72-49=23', '30-23=7'] Exploring Operation: 71+7=78, Resulting Numbers: [78] 78,42 unequal: No Solution Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,42 unequal: No Solution Exploring Operation: 71*7=497, Resulting Numbers: [497] 497,42 unequal: No Solution Moving to Node #0,4,0 Current State: 42:[71, 53], Operations: ['72-49=23', '30+23=53'] Exploring Operation: 71*53=3763, Resulting Numbers: [3763] 3763,42 unequal: No Solution Exploring Operation: 71-53=18, Resulting Numbers: [18] 18,42 unequal: No Solution Exploring Operation: 71+53=124, Resulting Numbers: [124] 124,42 unequal: No Solution Moving to Node #0,4,2 Current State: 42:[23, 101], Operations: ['72-49=23', '71+30=101'] Exploring Operation: 23*101=2323, Resulting Numbers: [2323] 2323,42 unequal: No Solution Exploring Operation: 101-23=78, Resulting Numbers: [78] 78,42 unequal: No Solution Exploring Operation: 23+101=124, Resulting Numbers: [124] 124,42 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
[ 49, 70, 53, 42 ]
98
[ "53-49=4", "42*4=168", "168-70=98" ]
Current State: 98:[49, 70, 53, 42], Operations: [] Exploring Operation: 53-49=4, Resulting Numbers: [70, 42, 4] Generated Node #2: [70, 42, 4] from Operation: 53-49=4 Current State: 98:[70, 42, 4], Operations: ['53-49=4'] Exploring Operation: 42*4=168, Resulting Numbers: [70, 168] Generated Node #3: [70, 168] from Operation: 42*4=168 Current State: 98:[70, 168], Operations: ['53-49=4', '42*4=168'] Exploring Operation: 168-70=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[49, 70, 53, 42], Operations: [] Exploring Operation: 70+42=112, Resulting Numbers: [49, 53, 112] Generated Node #0,0: 98:[49, 53, 112] Operation: 70+42=112 Exploring Operation: 70-53=17, Resulting Numbers: [49, 42, 17] Generated Node #0,1: 98:[49, 42, 17] Operation: 70-53=17 Exploring Operation: 53+42=95, Resulting Numbers: [49, 70, 95] Generated Node #0,2: 98:[49, 70, 95] Operation: 53+42=95 Exploring Operation: 70-42=28, Resulting Numbers: [49, 53, 28] Generated Node #0,3: 98:[49, 53, 28] Operation: 70-42=28 Exploring Operation: 70-49=21, Resulting Numbers: [53, 42, 21] Generated Node #0,4: 98:[53, 42, 21] Operation: 70-49=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[49, 42, 17], Operations: ['70-53=17'] Exploring Operation: 49-42=7, Resulting Numbers: [17, 7] Generated Node #0,1,0: 98:[17, 7] Operation: 49-42=7 Exploring Operation: 42+17=59, Resulting Numbers: [49, 59] Generated Node #0,1,1: 98:[49, 59] Operation: 42+17=59 Exploring Operation: 49+42=91, Resulting Numbers: [17, 91] Generated Node #0,1,2: 98:[17, 91] Operation: 49+42=91 Exploring Operation: 49+17=66, Resulting Numbers: [42, 66] Generated Node #0,1,3: 98:[42, 66] Operation: 49+17=66 Exploring Operation: 42-17=25, Resulting Numbers: [49, 25] Generated Node #0,1,4: 98:[49, 25] Operation: 42-17=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[17, 7], Operations: ['70-53=17', '49-42=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 17*7=119, Resulting Numbers: [119] 119,98 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:[49, 59], Operations: ['70-53=17', '42+17=59'] Exploring Operation: 49*59=2891, Resulting Numbers: [2891] 2891,98 unequal: No Solution Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,98 unequal: No Solution Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[17, 91], Operations: ['70-53=17', '49+42=91'] Exploring Operation: 17*91=1547, Resulting Numbers: [1547] 1547,98 unequal: No Solution Exploring Operation: 91-17=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 17+91=108, Resulting Numbers: [108] 108,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 98:[49, 25], Operations: ['70-53=17', '42-17=25'] Exploring Operation: 49-25=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 49+25=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 49*25=1225, Resulting Numbers: [1225] 1225,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 98:[42, 66], Operations: ['70-53=17', '49+17=66'] Exploring Operation: 42+66=108, Resulting Numbers: [108] 108,98 unequal: No Solution Exploring Operation: 42*66=2772, Resulting Numbers: [2772] 2772,98 unequal: No Solution Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[49, 53, 112], Operations: ['70+42=112'] Exploring Operation: 112-49=63, Resulting Numbers: [53, 63] Generated Node #0,0,0: 98:[53, 63] Operation: 112-49=63 Exploring Operation: 49+112=161, Resulting Numbers: [53, 161] Generated Node #0,0,1: 98:[53, 161] Operation: 49+112=161 Exploring Operation: 112-53=59, Resulting Numbers: [49, 59] Generated Node #0,0,2: 98:[49, 59] Operation: 112-53=59 Exploring Operation: 49+53=102, Resulting Numbers: [112, 102] Generated Node #0,0,3: 98:[112, 102] Operation: 49+53=102 Exploring Operation: 53-49=4, Resulting Numbers: [112, 4] Generated Node #0,0,4: 98:[112, 4] Operation: 53-49=4 Moving to Node #0,0,2 Current State: 98:[49, 59], Operations: ['70+42=112', '112-53=59'] Exploring Operation: 49+59=108, Resulting Numbers: [108] 108,98 unequal: No Solution Exploring Operation: 59-49=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 49*59=2891, Resulting Numbers: [2891] 2891,98 unequal: No Solution Moving to Node #0,0,4 Current State: 98:[112, 4], Operations: ['70+42=112', '53-49=4'] Exploring Operation: 112+4=116, Resulting Numbers: [116] 116,98 unequal: No Solution Exploring Operation: 112-4=108, Resulting Numbers: [108] 108,98 unequal: No Solution Exploring Operation: 112/4=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 112*4=448, Resulting Numbers: [448] 448,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[53, 63], Operations: ['70+42=112', '112-49=63'] Exploring Operation: 63-53=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 53+63=116, Resulting Numbers: [116] 116,98 unequal: No Solution Exploring Operation: 53*63=3339, Resulting Numbers: [3339] 3339,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[112, 102], Operations: ['70+42=112', '49+53=102'] Exploring Operation: 112-102=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 112*102=11424, Resulting Numbers: [11424] 11424,98 unequal: No Solution Exploring Operation: 112+102=214, Resulting Numbers: [214] 214,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[53, 161], Operations: ['70+42=112', '49+112=161'] Exploring Operation: 161-53=108, Resulting Numbers: [108] 108,98 unequal: No Solution Exploring Operation: 53+161=214, Resulting Numbers: [214] 214,98 unequal: No Solution Exploring Operation: 53*161=8533, Resulting Numbers: [8533] 8533,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 98:[49, 53, 28], Operations: ['70-42=28'] Exploring Operation: 49+53=102, Resulting Numbers: [28, 102] Generated Node #0,3,0: 98:[28, 102] Operation: 49+53=102 Exploring Operation: 49-28=21, Resulting Numbers: [53, 21] Generated Node #0,3,1: 98:[53, 21] Operation: 49-28=21 Exploring Operation: 53-49=4, Resulting Numbers: [28, 4] Generated Node #0,3,2: 98:[28, 4] Operation: 53-49=4 Exploring Operation: 53-28=25, Resulting Numbers: [49, 25] Generated Node #0,3,3: 98:[49, 25] Operation: 53-28=25 Exploring Operation: 53+28=81, Resulting Numbers: [49, 81] Generated Node #0,3,4: 98:[49, 81] Operation: 53+28=81 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 98:[53, 21], Operations: ['70-42=28', '49-28=21'] Exploring Operation: 53+21=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 53*21=1113, Resulting Numbers: [1113] 1113,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 98:[49, 25], Operations: ['70-42=28', '53-28=25'] Exploring Operation: 49+25=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 49-25=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 49*25=1225, Resulting Numbers: [1225] 1225,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 98:[28, 4], Operations: ['70-42=28', '53-49=4'] Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 28*4=112, Resulting Numbers: [112] 112,98 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 98:[49, 81], Operations: ['70-42=28', '53+28=81'] Exploring Operation: 49*81=3969, Resulting Numbers: [3969] 3969,98 unequal: No Solution Exploring Operation: 49+81=130, Resulting Numbers: [130] 130,98 unequal: No Solution Exploring Operation: 81-49=32, Resulting Numbers: [32] 32,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 98:[28, 102], Operations: ['70-42=28', '49+53=102'] Exploring Operation: 102-28=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 28*102=2856, Resulting Numbers: [2856] 2856,98 unequal: No Solution Exploring Operation: 28+102=130, Resulting Numbers: [130] 130,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 98:[53, 42, 21], Operations: ['70-49=21'] Exploring Operation: 42+21=63, Resulting Numbers: [53, 63] Generated Node #0,4,0: 98:[53, 63] Operation: 42+21=63 Exploring Operation: 53-42=11, Resulting Numbers: [21, 11] Generated Node #0,4,1: 98:[21, 11] Operation: 53-42=11 Exploring Operation: 42/21=2, Resulting Numbers: [53, 2] Generated Node #0,4,2: 98:[53, 2] Operation: 42/21=2 Exploring Operation: 42-21=21, Resulting Numbers: [53, 21] Generated Node #0,4,3: 98:[53, 21] Operation: 42-21=21 Exploring Operation: 53+42=95, Resulting Numbers: [21, 95] Generated Node #0,4,4: 98:[21, 95] Operation: 53+42=95 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 98:[53, 2], Operations: ['70-49=21', '42/21=2'] Exploring Operation: 53+2=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,98 unequal: No Solution Exploring Operation: 53*2=106, Resulting Numbers: [106] 106,98 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 #0,4,1 Current State: 98:[21, 11], Operations: ['70-49=21', '53-42=11'] Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,98 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 #0,4,4 Current State: 98:[21, 95], Operations: ['70-49=21', '53+42=95'] Exploring Operation: 21*95=1995, Resulting Numbers: [1995] 1995,98 unequal: No Solution Exploring Operation: 21+95=116, Resulting Numbers: [116] 116,98 unequal: No Solution Exploring Operation: 95-21=74, Resulting Numbers: [74] 74,98 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 #0,4,3 Current State: 98:[53, 21], Operations: ['70-49=21', '42-21=21'] Exploring Operation: 53+21=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 53*21=1113, Resulting Numbers: [1113] 1113,98 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,98 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 #0,4,0 Current State: 98:[53, 63], Operations: ['70-49=21', '42+21=63'] Exploring Operation: 53+63=116, Resulting Numbers: [116] 116,98 unequal: No Solution Exploring Operation: 53*63=3339, Resulting Numbers: [3339] 3339,98 unequal: No Solution Exploring Operation: 63-53=10, Resulting Numbers: [10] 10,98 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 #0,2 Current State: 98:[49, 70, 95], Operations: ['53+42=95'] Exploring Operation: 70-49=21, Resulting Numbers: [95, 21] Generated Node #0,2,0: 98:[95, 21] Operation: 70-49=21 Exploring Operation: 95-70=25, Resulting Numbers: [49, 25] Generated Node #0,2,1: 98:[49, 25] Operation: 95-70=25 Exploring Operation: 49+70=119, Resulting Numbers: [95, 119] Generated Node #0,2,2: 98:[95, 119] Operation: 49+70=119 Exploring Operation: 49+95=144, Resulting Numbers: [70, 144] Generated Node #0,2,3: 98:[70, 144] Operation: 49+95=144 Exploring Operation: 95-49=46, Resulting Numbers: [70, 46] Generated Node #0,2,4: 98:[70, 46] Operation: 95-49=46 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[95, 21], Operations: ['53+42=95', '70-49=21'] Exploring Operation: 95*21=1995, Resulting Numbers: [1995] 1995,98 unequal: No Solution Exploring Operation: 95-21=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 95+21=116, Resulting Numbers: [116] 116,98 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 #0,2,1 Current State: 98:[49, 25], Operations: ['53+42=95', '95-70=25'] Exploring Operation: 49+25=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 49*25=1225, Resulting Numbers: [1225] 1225,98 unequal: No Solution Exploring Operation: 49-25=24, Resulting Numbers: [24] 24,98 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 #0,2,2 Current State: 98:[95, 119], Operations: ['53+42=95', '49+70=119'] Exploring Operation: 95*119=11305, Resulting Numbers: [11305] 11305,98 unequal: No Solution Exploring Operation: 119-95=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 95+119=214, Resulting Numbers: [214] 214,98 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 #0,2,4 Current State: 98:[70, 46], Operations: ['53+42=95', '95-49=46'] Exploring Operation: 70*46=3220, Resulting Numbers: [3220] 3220,98 unequal: No Solution Exploring Operation: 70-46=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 70+46=116, Resulting Numbers: [116] 116,98 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 #0,2,3 Current State: 98:[70, 144], Operations: ['53+42=95', '49+95=144'] Exploring Operation: 144-70=74, Resulting Numbers: [74] 74,98 unequal: No Solution Exploring Operation: 70+144=214, Resulting Numbers: [214] 214,98 unequal: No Solution Exploring Operation: 70*144=10080, Resulting Numbers: [10080] 10080,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 90, 22, 4, 52 ]
50
[ "90-52=38", "22*4=88", "88-38=50" ]
Current State: 50:[90, 22, 4, 52], Operations: [] Exploring Operation: 90-52=38, Resulting Numbers: [22, 4, 38] Generated Node #2: [22, 4, 38] from Operation: 90-52=38 Current State: 50:[22, 4, 38], Operations: ['90-52=38'] Exploring Operation: 22*4=88, Resulting Numbers: [38, 88] Generated Node #3: [38, 88] from Operation: 22*4=88 Current State: 50:[38, 88], Operations: ['90-52=38', '22*4=88'] Exploring Operation: 88-38=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[90, 22, 4, 52], Operations: [] Exploring Operation: 90-52=38, Resulting Numbers: [22, 4, 38] Generated Node #0,0: 50:[22, 4, 38] Operation: 90-52=38 Exploring Operation: 90-22=68, Resulting Numbers: [4, 52, 68] Generated Node #0,1: 50:[4, 52, 68] Operation: 90-22=68 Exploring Operation: 90-4=86, Resulting Numbers: [22, 52, 86] Generated Node #0,2: 50:[22, 52, 86] Operation: 90-4=86 Exploring Operation: 22+4=26, Resulting Numbers: [90, 52, 26] Generated Node #0,3: 50:[90, 52, 26] Operation: 22+4=26 Moving to Node #0,0 Current State: 50:[22, 4, 38], Operations: ['90-52=38'] Exploring Operation: 38-22=16, Resulting Numbers: [4, 16] Generated Node #0,0,0: 50:[4, 16] Operation: 38-22=16 Exploring Operation: 38-4=34, Resulting Numbers: [22, 34] Generated Node #0,0,1: 50:[22, 34] Operation: 38-4=34 Exploring Operation: 4+38=42, Resulting Numbers: [22, 42] Generated Node #0,0,2: 50:[22, 42] Operation: 4+38=42 Exploring Operation: 22+38=60, Resulting Numbers: [4, 60] Generated Node #0,0,3: 50:[4, 60] Operation: 22+38=60 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[4, 16], Operations: ['90-52=38', '38-22=16'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,50 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,50 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:[22, 42], Operations: ['90-52=38', '4+38=42'] Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,50 unequal: No Solution Exploring Operation: 22+42=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 22*42=924, Resulting Numbers: [924] 924,50 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 #0,0,3 Current State: 50:[4, 60], Operations: ['90-52=38', '22+38=60'] Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,50 unequal: No Solution Exploring Operation: 4+60=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 4*60=240, Resulting Numbers: [240] 240,50 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 #0,0,1 Current State: 50:[22, 34], Operations: ['90-52=38', '38-4=34'] Exploring Operation: 22+34=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 22*34=748, Resulting Numbers: [748] 748,50 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: 50:[4, 52, 68], Operations: ['90-22=68'] Exploring Operation: 52-4=48, Resulting Numbers: [68, 48] Generated Node #0,1,0: 50:[68, 48] Operation: 52-4=48 Exploring Operation: 68-4=64, Resulting Numbers: [52, 64] Generated Node #0,1,1: 50:[52, 64] Operation: 68-4=64 Exploring Operation: 68/4=17, Resulting Numbers: [52, 17] Generated Node #0,1,2: 50:[52, 17] Operation: 68/4=17 Exploring Operation: 68-52=16, Resulting Numbers: [4, 16] Generated Node #0,1,3: 50:[4, 16] Operation: 68-52=16 Moving to Node #0,2 Current State: 50:[22, 52, 86], Operations: ['90-4=86'] Exploring Operation: 86-52=34, Resulting Numbers: [22, 34] Generated Node #0,2,0: 50:[22, 34] Operation: 86-52=34 Exploring Operation: 52-22=30, Resulting Numbers: [86, 30] Generated Node #0,2,1: 50:[86, 30] Operation: 52-22=30 Exploring Operation: 22+52=74, Resulting Numbers: [86, 74] Generated Node #0,2,2: 50:[86, 74] Operation: 22+52=74 Exploring Operation: 86-22=64, Resulting Numbers: [52, 64] Generated Node #0,2,3: 50:[52, 64] Operation: 86-22=64 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 50:[22, 34], Operations: ['90-4=86', '86-52=34'] Exploring Operation: 22+34=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 22*34=748, Resulting Numbers: [748] 748,50 unequal: No Solution Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,50 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 #0,2,3 Current State: 50:[52, 64], Operations: ['90-4=86', '86-22=64'] Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 52+64=116, Resulting Numbers: [116] 116,50 unequal: No Solution Exploring Operation: 52*64=3328, Resulting Numbers: [3328] 3328,50 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 #0,2,1 Current State: 50:[86, 30], Operations: ['90-4=86', '52-22=30'] Exploring Operation: 86-30=56, Resulting Numbers: [56] 56,50 unequal: No Solution Exploring Operation: 86*30=2580, Resulting Numbers: [2580] 2580,50 unequal: No Solution Exploring Operation: 86+30=116, Resulting Numbers: [116] 116,50 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 #0,2,2 Current State: 50:[86, 74], Operations: ['90-4=86', '22+52=74'] Exploring Operation: 86*74=6364, Resulting Numbers: [6364] 6364,50 unequal: No Solution Exploring Operation: 86-74=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 86+74=160, Resulting Numbers: [160] 160,50 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: 50:[90, 52, 26], Operations: ['22+4=26'] Exploring Operation: 52-26=26, Resulting Numbers: [90, 26] Generated Node #0,3,0: 50:[90, 26] Operation: 52-26=26 Exploring Operation: 90-26=64, Resulting Numbers: [52, 64] Generated Node #0,3,1: 50:[52, 64] Operation: 90-26=64 Exploring Operation: 90-52=38, Resulting Numbers: [26, 38] Generated Node #0,3,2: 50:[26, 38] Operation: 90-52=38 Exploring Operation: 52/26=2, Resulting Numbers: [90, 2] Generated Node #0,3,3: 50:[90, 2] Operation: 52/26=2 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 50:[26, 38], Operations: ['22+4=26', '90-52=38'] Exploring Operation: 38-26=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 26+38=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 26*38=988, Resulting Numbers: [988] 988,50 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 #0,3,1 Current State: 50:[52, 64], Operations: ['22+4=26', '90-26=64'] Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 52*64=3328, Resulting Numbers: [3328] 3328,50 unequal: No Solution Exploring Operation: 52+64=116, Resulting Numbers: [116] 116,50 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 #0,3,3 Current State: 50:[90, 2], Operations: ['22+4=26', '52/26=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,50 unequal: No Solution Exploring Operation: 90*2=180, Resulting Numbers: [180] 180,50 unequal: No Solution Exploring Operation: 90+2=92, Resulting Numbers: [92] 92,50 unequal: No Solution Exploring Operation: 90/2=45, Resulting Numbers: [45] 45,50 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 #0,3,0 Current State: 50:[90, 26], Operations: ['22+4=26', '52-26=26'] Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 90*26=2340, Resulting Numbers: [2340] 2340,50 unequal: No Solution Exploring Operation: 90+26=116, Resulting Numbers: [116] 116,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,3 Current State: 50:[4, 16], Operations: ['90-22=68', '68-52=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,50 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,50 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[52, 17], Operations: ['90-22=68', '68/4=17'] Exploring Operation: 52+17=69, Resulting Numbers: [69] 69,50 unequal: No Solution Exploring Operation: 52*17=884, Resulting Numbers: [884] 884,50 unequal: No Solution Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[52, 64], Operations: ['90-22=68', '68-4=64'] Exploring Operation: 52+64=116, Resulting Numbers: [116] 116,50 unequal: No Solution Exploring Operation: 52*64=3328, Resulting Numbers: [3328] 3328,50 unequal: No Solution Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[68, 48], Operations: ['90-22=68', '52-4=48'] Exploring Operation: 68-48=20, Resulting Numbers: [20] 20,50 unequal: No Solution Exploring Operation: 68*48=3264, Resulting Numbers: [3264] 3264,50 unequal: No Solution Exploring Operation: 68+48=116, Resulting Numbers: [116] 116,50 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 34, 15, 15, 17 ]
30
[ "34-15=19", "19-17=2", "15*2=30" ]
Current State: 30:[34, 15, 15, 17], Operations: [] Exploring Operation: 34-15=19, Resulting Numbers: [17, 19] Generated Node #2: [17, 19] from Operation: 34-15=19 Current State: 30:[17, 19], Operations: ['34-15=19'] Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,30 equal: Goal Reached Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[34, 15, 15, 17], Operations: [] Exploring Operation: 34/17=2, Resulting Numbers: [15, 15, 2] Generated Node #0,0: 30:[15, 15, 2] Operation: 34/17=2 Moving to Node #0,0 Current State: 30:[15, 15, 2], Operations: ['34/17=2'] Exploring Operation: 15+15=30, Resulting Numbers: [2, 30] Generated Node #0,0,0: 30:[2, 30] Operation: 15+15=30 Moving to Node #0,0,0 Current State: 30:[2, 30], Operations: ['34/17=2', '15+15=30'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,30 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 59, 48, 4, 10 ]
57
[ "59+10=69", "48/4=12", "69-12=57" ]
Current State: 57:[59, 48, 4, 10], Operations: [] Exploring Operation: 59+10=69, Resulting Numbers: [48, 4, 69] Generated Node #2: [48, 4, 69] from Operation: 59+10=69 Current State: 57:[48, 4, 69], Operations: ['59+10=69'] Exploring Operation: 48/4=12, Resulting Numbers: [69, 12] Generated Node #3: [69, 12] from Operation: 48/4=12 Current State: 57:[69, 12], Operations: ['59+10=69', '48/4=12'] Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[59, 48, 4, 10], Operations: [] Exploring Operation: 48+10=58, Resulting Numbers: [59, 4, 58] Generated Node #0,0: 57:[59, 4, 58] Operation: 48+10=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 57:[59, 4, 58], Operations: ['48+10=58'] Exploring Operation: 59-4=55, Resulting Numbers: [58, 55] Generated Node #0,0,0: 57:[58, 55] Operation: 59-4=55 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 57:[58, 55], Operations: ['48+10=58', '59-4=55'] Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,57 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_1
sum_heuristic
[ 27, 4, 22, 15 ]
24
[ "27+4=31", "22-15=7", "31-7=24" ]
Current State: 24:[27, 4, 22, 15], Operations: [] Exploring Operation: 27+4=31, Resulting Numbers: [22, 15, 31] Generated Node #2: [22, 15, 31] from Operation: 27+4=31 Current State: 24:[22, 15, 31], Operations: ['27+4=31'] Exploring Operation: 22-15=7, Resulting Numbers: [31, 7] Generated Node #3: [31, 7] from Operation: 22-15=7 Current State: 24:[31, 7], Operations: ['27+4=31', '22-15=7'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[27, 4, 22, 15], Operations: [] Exploring Operation: 27-4=23, Resulting Numbers: [22, 15, 23] Generated Node #0,0: 24:[22, 15, 23] Operation: 27-4=23 Exploring Operation: 27-22=5, Resulting Numbers: [4, 15, 5] Generated Node #0,1: 24:[4, 15, 5] Operation: 27-22=5 Exploring Operation: 27-15=12, Resulting Numbers: [4, 22, 12] Generated Node #0,2: 24:[4, 22, 12] Operation: 27-15=12 Exploring Operation: 22-15=7, Resulting Numbers: [27, 4, 7] Generated Node #0,3: 24:[27, 4, 7] Operation: 22-15=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[4, 22, 12], Operations: ['27-15=12'] Exploring Operation: 22-12=10, Resulting Numbers: [4, 10] Generated Node #0,2,0: 24:[4, 10] Operation: 22-12=10 Exploring Operation: 12-4=8, Resulting Numbers: [22, 8] Generated Node #0,2,1: 24:[22, 8] Operation: 12-4=8 Exploring Operation: 4+22=26, Resulting Numbers: [12, 26] Generated Node #0,2,2: 24:[12, 26] Operation: 4+22=26 Exploring Operation: 12/4=3, Resulting Numbers: [22, 3] Generated Node #0,2,3: 24:[22, 3] Operation: 12/4=3 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 24:[4, 10], Operations: ['27-15=12', '22-12=10'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 24:[22, 8], Operations: ['27-15=12', '12-4=8'] Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,24 unequal: No Solution Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,24 unequal: No Solution No 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: 24:[12, 26], Operations: ['27-15=12', '4+22=26'] Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,24 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,24 unequal: No Solution No 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: 24:[22, 3], Operations: ['27-15=12', '12/4=3'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,24 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,24 unequal: No Solution Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,24 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: 24:[4, 15, 5], Operations: ['27-22=5'] Exploring Operation: 15-5=10, Resulting Numbers: [4, 10] Generated Node #0,1,0: 24:[4, 10] Operation: 15-5=10 Exploring Operation: 15/5=3, Resulting Numbers: [4, 3] Generated Node #0,1,1: 24:[4, 3] Operation: 15/5=3 Exploring Operation: 4+5=9, Resulting Numbers: [15, 9] Generated Node #0,1,2: 24:[15, 9] Operation: 4+5=9 Exploring Operation: 15-4=11, Resulting Numbers: [5, 11] Generated Node #0,1,3: 24:[5, 11] Operation: 15-4=11 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[4, 3], Operations: ['27-22=5', '15/5=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,24 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,24 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,24 unequal: No Solution No 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: 24:[4, 10], Operations: ['27-22=5', '15-5=10'] Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,24 unequal: No Solution No 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: 24:[5, 11], Operations: ['27-22=5', '15-4=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,24 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,24 unequal: No Solution No 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: 24:[15, 9], Operations: ['27-22=5', '4+5=9'] Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,24 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[27, 4, 22, 15], Operations: [] Exploring Operation: 27-22=5, Resulting Numbers: [4, 15, 5] Generated Node #0,1: 24:[4, 15, 5] Operation: 27-22=5 Moving to Node #0,1 Current State: 24:[4, 15, 5], Operations: ['27-22=5'] Exploring Operation: 4+5=9, Resulting Numbers: [15, 9] Generated Node #0,1,2: 24:[15, 9] Operation: 4+5=9 Moving to Node #0,1,2 Current State: 24:[15, 9], Operations: ['27-22=5', '4+5=9'] Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.965278
hs_4
mult_heuristic
[ 88, 76, 99, 3 ]
68
[ "88+76=164", "99-3=96", "164-96=68" ]
Current State: 68:[88, 76, 99, 3], Operations: [] Exploring Operation: 88+76=164, Resulting Numbers: [99, 3, 164] Generated Node #2: [99, 3, 164] from Operation: 88+76=164 Current State: 68:[99, 3, 164], Operations: ['88+76=164'] Exploring Operation: 99-3=96, Resulting Numbers: [164, 96] Generated Node #3: [164, 96] from Operation: 99-3=96 Current State: 68:[164, 96], Operations: ['88+76=164', '99-3=96'] Exploring Operation: 164-96=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[88, 76, 99, 3], Operations: [] Exploring Operation: 99-76=23, Resulting Numbers: [88, 3, 23] Generated Node #0,0: 68:[88, 3, 23] Operation: 99-76=23 Exploring Operation: 99-88=11, Resulting Numbers: [76, 3, 11] Generated Node #0,1: 68:[76, 3, 11] Operation: 99-88=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[76, 3, 11], Operations: ['99-88=11'] Exploring Operation: 3*11=33, Resulting Numbers: [76, 33] Generated Node #0,1,0: 68:[76, 33] Operation: 3*11=33 Exploring Operation: 76-11=65, Resulting Numbers: [3, 65] Generated Node #0,1,1: 68:[3, 65] Operation: 76-11=65 Moving to Node #0,1,1 Current State: 68:[3, 65], Operations: ['99-88=11', '76-11=65'] Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[88, 76, 99, 3], Operations: [] Exploring Operation: 99-88=11, Resulting Numbers: [76, 3, 11] Generated Node #0,1: 68:[76, 3, 11] Operation: 99-88=11 Moving to Node #0,1 Current State: 68:[76, 3, 11], Operations: ['99-88=11'] Exploring Operation: 76-11=65, Resulting Numbers: [3, 65] Generated Node #0,1,1: 68:[3, 65] Operation: 76-11=65 Moving to Node #0,1,1 Current State: 68:[3, 65], Operations: ['99-88=11', '76-11=65'] Exploring Operation: 3+65=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 67, 43, 39, 92 ]
100
[ "92-67=25", "43-39=4", "25*4=100" ]
Current State: 100:[67, 43, 39, 92], Operations: [] Exploring Operation: 92-67=25, Resulting Numbers: [43, 39, 25] Generated Node #2: [43, 39, 25] from Operation: 92-67=25 Current State: 100:[43, 39, 25], Operations: ['92-67=25'] Exploring Operation: 43-39=4, Resulting Numbers: [25, 4] Generated Node #3: [25, 4] from Operation: 43-39=4 Current State: 100:[25, 4], Operations: ['92-67=25', '43-39=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[67, 43, 39, 92], Operations: [] Exploring Operation: 67-39=28, Resulting Numbers: [43, 92, 28] Generated Node #0,0: 100:[43, 92, 28] Operation: 67-39=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[43, 92, 28], Operations: ['67-39=28'] Exploring Operation: 92-43=49, Resulting Numbers: [28, 49] Generated Node #0,0,0: 100:[28, 49] Operation: 92-43=49 Moving to Node #0,0,0 Current State: 100:[28, 49], Operations: ['67-39=28', '92-43=49'] Exploring Operation: 49-28=21, Resulting Numbers: [21] 21,100 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
[ 26, 78, 38, 22 ]
74
[ "26-22=4", "38*4=152", "152-78=74" ]
Current State: 74:[26, 78, 38, 22], Operations: [] Exploring Operation: 26-22=4, Resulting Numbers: [78, 38, 4] Generated Node #2: [78, 38, 4] from Operation: 26-22=4 Current State: 74:[78, 38, 4], Operations: ['26-22=4'] Exploring Operation: 38*4=152, Resulting Numbers: [78, 152] Generated Node #3: [78, 152] from Operation: 38*4=152 Current State: 74:[78, 152], Operations: ['26-22=4', '38*4=152'] Exploring Operation: 152-78=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[26, 78, 38, 22], Operations: [] Exploring Operation: 78/26=3, Resulting Numbers: [38, 22, 3] Generated Node #0,0: 74:[38, 22, 3] Operation: 78/26=3 Exploring Operation: 26-22=4, Resulting Numbers: [78, 38, 4] Generated Node #0,1: 74:[78, 38, 4] Operation: 26-22=4 Exploring Operation: 26+22=48, Resulting Numbers: [78, 38, 48] Generated Node #0,2: 74:[78, 38, 48] Operation: 26+22=48 Moving to Node #0,1 Current State: 74:[78, 38, 4], Operations: ['26-22=4'] Exploring Operation: 78-4=74, Resulting Numbers: [38, 74] Generated Node #0,1,0: 74:[38, 74] Operation: 78-4=74 Exploring Operation: 38-4=34, Resulting Numbers: [78, 34] Generated Node #0,1,1: 74:[78, 34] Operation: 38-4=34 Exploring Operation: 78-38=40, Resulting Numbers: [4, 40] Generated Node #0,1,2: 74:[4, 40] Operation: 78-38=40 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[38, 74], Operations: ['26-22=4', '78-4=74'] Exploring Operation: 74-38=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 38*74=2812, Resulting Numbers: [2812] 2812,74 unequal: No Solution Exploring Operation: 38+74=112, Resulting Numbers: [112] 112,74 unequal: No Solution No 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: 74:[4, 40], Operations: ['26-22=4', '78-38=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,74 unequal: No Solution Exploring Operation: 40-4=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 4+40=44, Resulting Numbers: [44] 44,74 unequal: No Solution No 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: 74:[78, 34], Operations: ['26-22=4', '38-4=34'] Exploring Operation: 78-34=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 78+34=112, Resulting Numbers: [112] 112,74 unequal: No Solution Exploring Operation: 78*34=2652, Resulting Numbers: [2652] 2652,74 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: 74:[78, 38, 48], Operations: ['26+22=48'] Exploring Operation: 78-38=40, Resulting Numbers: [48, 40] Generated Node #0,2,0: 74:[48, 40] Operation: 78-38=40 Exploring Operation: 48-38=10, Resulting Numbers: [78, 10] Generated Node #0,2,1: 74:[78, 10] Operation: 48-38=10 Exploring Operation: 78-48=30, Resulting Numbers: [38, 30] Generated Node #0,2,2: 74:[38, 30] Operation: 78-48=30 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[38, 30], Operations: ['26+22=48', '78-48=30'] Exploring Operation: 38*30=1140, Resulting Numbers: [1140] 1140,74 unequal: No Solution Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,74 unequal: No Solution Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,74 unequal: No Solution No 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: 74:[78, 10], Operations: ['26+22=48', '48-38=10'] Exploring Operation: 78+10=88, Resulting Numbers: [88] 88,74 unequal: No Solution Exploring Operation: 78-10=68, Resulting Numbers: [68] 68,74 unequal: No Solution Exploring Operation: 78*10=780, Resulting Numbers: [780] 780,74 unequal: No Solution No 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: 74:[48, 40], Operations: ['26+22=48', '78-38=40'] Exploring Operation: 48*40=1920, Resulting Numbers: [1920] 1920,74 unequal: No Solution Exploring Operation: 48-40=8, Resulting Numbers: [8] 8,74 unequal: No Solution Exploring Operation: 48+40=88, Resulting Numbers: [88] 88,74 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: 74:[38, 22, 3], Operations: ['78/26=3'] Exploring Operation: 22*3=66, Resulting Numbers: [38, 66] Generated Node #0,0,0: 74:[38, 66] Operation: 22*3=66 Exploring Operation: 38+22=60, Resulting Numbers: [3, 60] Generated Node #0,0,1: 74:[3, 60] Operation: 38+22=60 Exploring Operation: 22+3=25, Resulting Numbers: [38, 25] Generated Node #0,0,2: 74:[38, 25] Operation: 22+3=25 Moving to Node #0,0,0 Current State: 74:[38, 66], Operations: ['78/26=3', '22*3=66'] Exploring Operation: 38*66=2508, Resulting Numbers: [2508] 2508,74 unequal: No Solution Exploring Operation: 38+66=104, Resulting Numbers: [104] 104,74 unequal: No Solution Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,74 unequal: No Solution Moving to Node #0,0,2 Current State: 74:[38, 25], Operations: ['78/26=3', '22+3=25'] Exploring Operation: 38*25=950, Resulting Numbers: [950] 950,74 unequal: No Solution Exploring Operation: 38+25=63, Resulting Numbers: [63] 63,74 unequal: No Solution Exploring Operation: 38-25=13, Resulting Numbers: [13] 13,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[3, 60], Operations: ['78/26=3', '38+22=60'] Exploring Operation: 60-3=57, Resulting Numbers: [57] 57,74 unequal: No Solution Exploring Operation: 3+60=63, Resulting Numbers: [63] 63,74 unequal: No Solution Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,74 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 40, 16, 32, 37 ]
93
[ "40-16=24", "32+37=69", "24+69=93" ]
Current State: 93:[40, 16, 32, 37], Operations: [] Exploring Operation: 40-16=24, Resulting Numbers: [32, 37, 24] Generated Node #2: [32, 37, 24] from Operation: 40-16=24 Current State: 93:[32, 37, 24], Operations: ['40-16=24'] Exploring Operation: 32+37=69, Resulting Numbers: [24, 69] Generated Node #3: [24, 69] from Operation: 32+37=69 Current State: 93:[24, 69], Operations: ['40-16=24', '32+37=69'] Exploring Operation: 24+69=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[40, 16, 32, 37], Operations: [] Exploring Operation: 40-16=24, Resulting Numbers: [32, 37, 24] Generated Node #0,0: 93:[32, 37, 24] Operation: 40-16=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[32, 37, 24], Operations: ['40-16=24'] Exploring Operation: 37-32=5, Resulting Numbers: [24, 5] Generated Node #0,0,0: 93:[24, 5] Operation: 37-32=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[24, 5], Operations: ['40-16=24', '37-32=5'] Exploring Operation: 24+5=29, Resulting Numbers: [29] 29,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 78, 82, 30, 11 ]
39
[ "30+11=41", "78*41=3198", "3198/82=39" ]
Current State: 39:[78, 82, 30, 11], Operations: [] Exploring Operation: 30+11=41, Resulting Numbers: [78, 82, 41] Generated Node #2: [78, 82, 41] from Operation: 30+11=41 Current State: 39:[78, 82, 41], Operations: ['30+11=41'] Exploring Operation: 78*41=3198, Resulting Numbers: [82, 3198] Generated Node #3: [82, 3198] from Operation: 78*41=3198 Current State: 39:[82, 3198], Operations: ['30+11=41', '78*41=3198'] Exploring Operation: 3198/82=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[78, 82, 30, 11], Operations: [] Exploring Operation: 82-78=4, Resulting Numbers: [30, 11, 4] Generated Node #0,0: 39:[30, 11, 4] Operation: 82-78=4 Moving to Node #0,0 Current State: 39:[30, 11, 4], Operations: ['82-78=4'] Exploring Operation: 30+11=41, Resulting Numbers: [4, 41] Generated Node #0,0,0: 39:[4, 41] Operation: 30+11=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[4, 41], Operations: ['82-78=4', '30+11=41'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,39 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
[ 98, 51, 80, 87 ]
37
[ "87-80=7", "98/7=14", "51-14=37" ]
Current State: 37:[98, 51, 80, 87], Operations: [] Exploring Operation: 87-80=7, Resulting Numbers: [98, 51, 7] Generated Node #2: [98, 51, 7] from Operation: 87-80=7 Current State: 37:[98, 51, 7], Operations: ['87-80=7'] Exploring Operation: 98/7=14, Resulting Numbers: [51, 14] Generated Node #3: [51, 14] from Operation: 98/7=14 Current State: 37:[51, 14], Operations: ['87-80=7', '98/7=14'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[98, 51, 80, 87], Operations: [] Exploring Operation: 98-87=11, Resulting Numbers: [51, 80, 11] Generated Node #0,0: 37:[51, 80, 11] Operation: 98-87=11 Exploring Operation: 98-80=18, Resulting Numbers: [51, 87, 18] Generated Node #0,1: 37:[51, 87, 18] Operation: 98-80=18 Moving to Node #0,0 Current State: 37:[51, 80, 11], Operations: ['98-87=11'] Exploring Operation: 80-51=29, Resulting Numbers: [11, 29] Generated Node #0,0,0: 37:[11, 29] Operation: 80-51=29 Exploring Operation: 51-11=40, Resulting Numbers: [80, 40] Generated Node #0,0,1: 37:[80, 40] Operation: 51-11=40 Moving to Node #0,1 Current State: 37:[51, 87, 18], Operations: ['98-80=18'] Exploring Operation: 87-18=69, Resulting Numbers: [51, 69] Generated Node #0,1,0: 37:[51, 69] Operation: 87-18=69 Exploring Operation: 87-51=36, Resulting Numbers: [18, 36] Generated Node #0,1,1: 37:[18, 36] Operation: 87-51=36 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 37:[18, 36], Operations: ['98-80=18', '87-51=36'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,37 unequal: No Solution Exploring Operation: 18+36=54, Resulting Numbers: [54] 54,37 unequal: No Solution No 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: 37:[51, 69], Operations: ['98-80=18', '87-18=69'] Exploring Operation: 51+69=120, Resulting Numbers: [120] 120,37 unequal: No Solution Exploring Operation: 69-51=18, Resulting Numbers: [18] 18,37 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: 37:[11, 29], Operations: ['98-87=11', '80-51=29'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,37 unequal: No Solution Exploring Operation: 11+29=40, Resulting Numbers: [40] 40,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[80, 40], Operations: ['98-87=11', '51-11=40'] Exploring Operation: 80-40=40, Resulting Numbers: [40] 40,37 unequal: No Solution Exploring Operation: 80/40=2, Resulting Numbers: [2] 2,37 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 56, 14, 4, 1 ]
20
[ "56/14=4", "4+1=5", "4*5=20" ]
Current State: 20:[56, 14, 4, 1], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [4, 1, 4] Generated Node #2: [4, 1, 4] from Operation: 56/14=4 Current State: 20:[4, 1, 4], Operations: ['56/14=4'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,20 equal: Goal Reached Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[56, 14, 4, 1], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [4, 1, 4] Generated Node #0,0: 20:[4, 1, 4] Operation: 56/14=4 Exploring Operation: 56-14=42, Resulting Numbers: [4, 1, 42] Generated Node #0,1: 20:[4, 1, 42] Operation: 56-14=42 Exploring Operation: 56/4=14, Resulting Numbers: [14, 1, 14] Generated Node #0,2: 20:[14, 1, 14] Operation: 56/4=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[4, 1, 4], Operations: ['56/14=4'] Exploring Operation: 4+1=5, Resulting Numbers: [4, 5] Generated Node #0,0,0: 20:[4, 5] Operation: 4+1=5 Exploring Operation: 4/1=4, Resulting Numbers: [4, 4] Generated Node #0,0,1: 20:[4, 4] Operation: 4/1=4 Exploring Operation: 4*1=4, Resulting Numbers: [4, 4] Generated Node #0,0,2: 20:[4, 4] Operation: 4*1=4 Moving to Node #0,0,0 Current State: 20:[4, 5], Operations: ['56/14=4', '4+1=5'] Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,20 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[56, 14, 4, 1], Operations: [] Exploring Operation: 56/14=4, Resulting Numbers: [4, 1, 4] Generated Node #0,0: 20:[4, 1, 4] Operation: 56/14=4 Moving to Node #0,0 Current State: 20:[4, 1, 4], Operations: ['56/14=4'] Exploring Operation: 4+1=5, Resulting Numbers: [4, 5] Generated Node #0,0,0: 20:[4, 5] Operation: 4+1=5 Moving to Node #0,0,0 Current State: 20:[4, 5], Operations: ['56/14=4', '4+1=5'] Exploring Operation: 4*5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 39, 97, 81, 70 ]
93
[ "97-39=58", "81+70=151", "151-58=93" ]
Current State: 93:[39, 97, 81, 70], Operations: [] Exploring Operation: 97-39=58, Resulting Numbers: [81, 70, 58] Generated Node #2: [81, 70, 58] from Operation: 97-39=58 Current State: 93:[81, 70, 58], Operations: ['97-39=58'] Exploring Operation: 81+70=151, Resulting Numbers: [58, 151] Generated Node #3: [58, 151] from Operation: 81+70=151 Current State: 93:[58, 151], Operations: ['97-39=58', '81+70=151'] Exploring Operation: 151-58=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[39, 97, 81, 70], Operations: [] Exploring Operation: 81-70=11, Resulting Numbers: [39, 97, 11] Generated Node #0,0: 93:[39, 97, 11] Operation: 81-70=11 Exploring Operation: 97-70=27, Resulting Numbers: [39, 81, 27] Generated Node #0,1: 93:[39, 81, 27] Operation: 97-70=27 Exploring Operation: 70-39=31, Resulting Numbers: [97, 81, 31] Generated Node #0,2: 93:[97, 81, 31] Operation: 70-39=31 Exploring Operation: 39+70=109, Resulting Numbers: [97, 81, 109] Generated Node #0,3: 93:[97, 81, 109] Operation: 39+70=109 Exploring Operation: 81-39=42, Resulting Numbers: [97, 70, 42] Generated Node #0,4: 93:[97, 70, 42] Operation: 81-39=42 Start Sub Search at level 1: Moving to Node #0,2 Current State: 93:[97, 81, 31], Operations: ['70-39=31'] Exploring Operation: 81+31=112, Resulting Numbers: [97, 112] Generated Node #0,2,0: 93:[97, 112] Operation: 81+31=112 Exploring Operation: 97-31=66, Resulting Numbers: [81, 66] Generated Node #0,2,1: 93:[81, 66] Operation: 97-31=66 Exploring Operation: 97+31=128, Resulting Numbers: [81, 128] Generated Node #0,2,2: 93:[81, 128] Operation: 97+31=128 Exploring Operation: 81-31=50, Resulting Numbers: [97, 50] Generated Node #0,2,3: 93:[97, 50] Operation: 81-31=50 Exploring Operation: 97-81=16, Resulting Numbers: [31, 16] Generated Node #0,2,4: 93:[31, 16] Operation: 97-81=16 Moving to Node #0,2,4 Current State: 93:[31, 16], Operations: ['70-39=31', '97-81=16'] Exploring Operation: 31*16=496, Resulting Numbers: [496] 496,93 unequal: No Solution Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 31+16=47, Resulting Numbers: [47] 47,93 unequal: No Solution Moving to Node #0,2,3 Current State: 93:[97, 50], Operations: ['70-39=31', '81-31=50'] Exploring Operation: 97*50=4850, Resulting Numbers: [4850] 4850,93 unequal: No Solution Exploring Operation: 97+50=147, Resulting Numbers: [147] 147,93 unequal: No Solution Exploring Operation: 97-50=47, Resulting Numbers: [47] 47,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[97, 112], Operations: ['70-39=31', '81+31=112'] Exploring Operation: 112-97=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 97*112=10864, Resulting Numbers: [10864] 10864,93 unequal: No Solution Exploring Operation: 97+112=209, Resulting Numbers: [209] 209,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[81, 66], Operations: ['70-39=31', '97-31=66'] Exploring Operation: 81*66=5346, Resulting Numbers: [5346] 5346,93 unequal: No Solution Exploring Operation: 81-66=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 81+66=147, Resulting Numbers: [147] 147,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[81, 128], Operations: ['70-39=31', '97+31=128'] Exploring Operation: 128-81=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 81*128=10368, Resulting Numbers: [10368] 10368,93 unequal: No Solution Exploring Operation: 81+128=209, Resulting Numbers: [209] 209,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[39, 97, 11], Operations: ['81-70=11'] Exploring Operation: 39-11=28, Resulting Numbers: [97, 28] Generated Node #0,0,0: 93:[97, 28] Operation: 39-11=28 Exploring Operation: 97+11=108, Resulting Numbers: [39, 108] Generated Node #0,0,1: 93:[39, 108] Operation: 97+11=108 Exploring Operation: 97-39=58, Resulting Numbers: [11, 58] Generated Node #0,0,2: 93:[11, 58] Operation: 97-39=58 Exploring Operation: 97-11=86, Resulting Numbers: [39, 86] Generated Node #0,0,3: 93:[39, 86] Operation: 97-11=86 Exploring Operation: 39+11=50, Resulting Numbers: [97, 50] Generated Node #0,0,4: 93:[97, 50] Operation: 39+11=50 Moving to Node #0,0,0 Current State: 93:[97, 28], Operations: ['81-70=11', '39-11=28'] Exploring Operation: 97+28=125, Resulting Numbers: [125] 125,93 unequal: No Solution Exploring Operation: 97-28=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 97*28=2716, Resulting Numbers: [2716] 2716,93 unequal: No Solution Moving to Node #0,0,3 Current State: 93:[39, 86], Operations: ['81-70=11', '97-11=86'] Exploring Operation: 39*86=3354, Resulting Numbers: [3354] 3354,93 unequal: No Solution Exploring Operation: 39+86=125, Resulting Numbers: [125] 125,93 unequal: No Solution Exploring Operation: 86-39=47, Resulting Numbers: [47] 47,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[39, 108], Operations: ['81-70=11', '97+11=108'] Exploring Operation: 39+108=147, Resulting Numbers: [147] 147,93 unequal: No Solution Exploring Operation: 108-39=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 39*108=4212, Resulting Numbers: [4212] 4212,93 unequal: No Solution Moving to Node #0,0,4 Current State: 93:[97, 50], Operations: ['81-70=11', '39+11=50'] Exploring Operation: 97-50=47, Resulting Numbers: [47] 47,93 unequal: No Solution Exploring Operation: 97*50=4850, Resulting Numbers: [4850] 4850,93 unequal: No Solution Exploring Operation: 97+50=147, Resulting Numbers: [147] 147,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[11, 58], Operations: ['81-70=11', '97-39=58'] Exploring Operation: 11*58=638, Resulting Numbers: [638] 638,93 unequal: No Solution Exploring Operation: 11+58=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[39, 81, 27], Operations: ['97-70=27'] Exploring Operation: 39-27=12, Resulting Numbers: [81, 12] Generated Node #0,1,0: 93:[81, 12] Operation: 39-27=12 Exploring Operation: 81/27=3, Resulting Numbers: [39, 3] Generated Node #0,1,1: 93:[39, 3] Operation: 81/27=3 Exploring Operation: 81+27=108, Resulting Numbers: [39, 108] Generated Node #0,1,2: 93:[39, 108] Operation: 81+27=108 Exploring Operation: 81-39=42, Resulting Numbers: [27, 42] Generated Node #0,1,3: 93:[27, 42] Operation: 81-39=42 Exploring Operation: 39+81=120, Resulting Numbers: [27, 120] Generated Node #0,1,4: 93:[27, 120] Operation: 39+81=120 Moving to Node #0,1,1 Current State: 93:[39, 3], Operations: ['97-70=27', '81/27=3'] Exploring Operation: 39*3=117, Resulting Numbers: [117] 117,93 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,93 unequal: No Solution Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,93 unequal: No Solution Moving to Node #0,1,3 Current State: 93:[27, 42], Operations: ['97-70=27', '81-39=42'] Exploring Operation: 27+42=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 42-27=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 27*42=1134, Resulting Numbers: [1134] 1134,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[81, 12], Operations: ['97-70=27', '39-27=12'] Exploring Operation: 81*12=972, Resulting Numbers: [972] 972,93 unequal: No Solution Exploring Operation: 81-12=69, Resulting Numbers: [69] 69,93 unequal: No Solution Exploring Operation: 81+12=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[39, 97, 81, 70], Operations: [] Exploring Operation: 97-70=27, Resulting Numbers: [39, 81, 27] Generated Node #0,1: 93:[39, 81, 27] Operation: 97-70=27 Moving to Node #0,1 Current State: 93:[39, 81, 27], Operations: ['97-70=27'] Exploring Operation: 39-27=12, Resulting Numbers: [81, 12] Generated Node #0,1,0: 93:[81, 12] Operation: 39-27=12 Moving to Node #0,1,0 Current State: 93:[81, 12], Operations: ['97-70=27', '39-27=12'] Exploring Operation: 81+12=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.944444
hs_5
sum_heuristic
[ 18, 93, 66, 30 ]
21
[ "93-18=75", "66+30=96", "96-75=21" ]
Current State: 21:[18, 93, 66, 30], Operations: [] Exploring Operation: 93-18=75, Resulting Numbers: [66, 30, 75] Generated Node #2: [66, 30, 75] from Operation: 93-18=75 Current State: 21:[66, 30, 75], Operations: ['93-18=75'] Exploring Operation: 66+30=96, Resulting Numbers: [75, 96] Generated Node #3: [75, 96] from Operation: 66+30=96 Current State: 21:[75, 96], Operations: ['93-18=75', '66+30=96'] Exploring Operation: 96-75=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[18, 93, 66, 30], Operations: [] Exploring Operation: 93-66=27, Resulting Numbers: [18, 30, 27] Generated Node #0,0: 21:[18, 30, 27] Operation: 93-66=27 Exploring Operation: 93-30=63, Resulting Numbers: [18, 66, 63] Generated Node #0,1: 21:[18, 66, 63] Operation: 93-30=63 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[18, 30, 27], Operations: ['93-66=27'] Exploring Operation: 30-18=12, Resulting Numbers: [27, 12] Generated Node #0,0,0: 21:[27, 12] Operation: 30-18=12 Exploring Operation: 30-27=3, Resulting Numbers: [18, 3] Generated Node #0,0,1: 21:[18, 3] Operation: 30-27=3 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[18, 3], Operations: ['93-66=27', '30-27=3'] Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[18, 93, 66, 30], Operations: [] Exploring Operation: 93-66=27, Resulting Numbers: [18, 30, 27] Generated Node #0,0: 21:[18, 30, 27] Operation: 93-66=27 Moving to Node #0,0 Current State: 21:[18, 30, 27], Operations: ['93-66=27'] Exploring Operation: 30-27=3, Resulting Numbers: [18, 3] Generated Node #0,0,1: 21:[18, 3] Operation: 30-27=3 Moving to Node #0,0,1 Current State: 21:[18, 3], Operations: ['93-66=27', '30-27=3'] Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 3, 30, 70, 35 ]
72
[ "3+30=33", "70+35=105", "105-33=72" ]
Current State: 72:[3, 30, 70, 35], Operations: [] Exploring Operation: 3+30=33, Resulting Numbers: [70, 35, 33] Generated Node #2: [70, 35, 33] from Operation: 3+30=33 Current State: 72:[70, 35, 33], Operations: ['3+30=33'] Exploring Operation: 70+35=105, Resulting Numbers: [33, 105] Generated Node #3: [33, 105] from Operation: 70+35=105 Current State: 72:[33, 105], Operations: ['3+30=33', '70+35=105'] Exploring Operation: 105-33=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[3, 30, 70, 35], Operations: [] Exploring Operation: 30-3=27, Resulting Numbers: [70, 35, 27] Generated Node #0,0: 72:[70, 35, 27] Operation: 30-3=27 Exploring Operation: 35-30=5, Resulting Numbers: [3, 70, 5] Generated Node #0,1: 72:[3, 70, 5] Operation: 35-30=5 Exploring Operation: 3+30=33, Resulting Numbers: [70, 35, 33] Generated Node #0,2: 72:[70, 35, 33] Operation: 3+30=33 Exploring Operation: 30/3=10, Resulting Numbers: [70, 35, 10] Generated Node #0,3: 72:[70, 35, 10] Operation: 30/3=10 Exploring Operation: 70-30=40, Resulting Numbers: [3, 35, 40] Generated Node #0,4: 72:[3, 35, 40] Operation: 70-30=40 Moving to Node #0,1 Current State: 72:[3, 70, 5], Operations: ['35-30=5'] Exploring Operation: 70/5=14, Resulting Numbers: [3, 14] Generated Node #0,1,0: 72:[3, 14] Operation: 70/5=14 Exploring Operation: 5-3=2, Resulting Numbers: [70, 2] Generated Node #0,1,1: 72:[70, 2] Operation: 5-3=2 Exploring Operation: 3+5=8, Resulting Numbers: [70, 8] Generated Node #0,1,2: 72:[70, 8] Operation: 3+5=8 Exploring Operation: 3+70=73, Resulting Numbers: [5, 73] Generated Node #0,1,3: 72:[5, 73] Operation: 3+70=73 Exploring Operation: 70+5=75, Resulting Numbers: [3, 75] Generated Node #0,1,4: 72:[3, 75] Operation: 70+5=75 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[3, 14], Operations: ['35-30=5', '70/5=14'] Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,72 unequal: No Solution Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,72 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:[70, 2], Operations: ['35-30=5', '5-3=2'] Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,72 unequal: No Solution Exploring Operation: 70*2=140, Resulting Numbers: [140] 140,72 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,72 unequal: No Solution Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[3, 30, 70, 35], Operations: [] Exploring Operation: 35-30=5, Resulting Numbers: [3, 70, 5] Generated Node #0,1: 72:[3, 70, 5] Operation: 35-30=5 Moving to Node #0,1 Current State: 72:[3, 70, 5], Operations: ['35-30=5'] Exploring Operation: 5-3=2, Resulting Numbers: [70, 2] Generated Node #0,1,1: 72:[70, 2] Operation: 5-3=2 Moving to Node #0,1,1 Current State: 72:[70, 2], Operations: ['35-30=5', '5-3=2'] Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 62, 31, 11, 86 ]
18
[ "62+31=93", "86-11=75", "93-75=18" ]
Current State: 18:[62, 31, 11, 86], Operations: [] Exploring Operation: 62+31=93, Resulting Numbers: [11, 86, 93] Generated Node #2: [11, 86, 93] from Operation: 62+31=93 Current State: 18:[11, 86, 93], Operations: ['62+31=93'] Exploring Operation: 86-11=75, Resulting Numbers: [93, 75] Generated Node #3: [93, 75] from Operation: 86-11=75 Current State: 18:[93, 75], Operations: ['62+31=93', '86-11=75'] Exploring Operation: 93-75=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[62, 31, 11, 86], Operations: [] Exploring Operation: 86-62=24, Resulting Numbers: [31, 11, 24] Generated Node #0,0: 18:[31, 11, 24] Operation: 86-62=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[31, 11, 24], Operations: ['86-62=24'] Exploring Operation: 31-24=7, Resulting Numbers: [11, 7] Generated Node #0,0,0: 18:[11, 7] Operation: 31-24=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[11, 7], Operations: ['86-62=24', '31-24=7'] Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[62, 31, 11, 86], Operations: [] Exploring Operation: 86-62=24, Resulting Numbers: [31, 11, 24] Generated Node #0,0: 18:[31, 11, 24] Operation: 86-62=24 Moving to Node #0,0 Current State: 18:[31, 11, 24], Operations: ['86-62=24'] Exploring Operation: 31-24=7, Resulting Numbers: [11, 7] Generated Node #0,0,0: 18:[11, 7] Operation: 31-24=7 Moving to Node #0,0,0 Current State: 18:[11, 7], Operations: ['86-62=24', '31-24=7'] Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 80, 72, 66, 99 ]
48
[ "80*99=7920", "7920/66=120", "120-72=48" ]
Current State: 48:[80, 72, 66, 99], Operations: [] Exploring Operation: 80*99=7920, Resulting Numbers: [72, 66, 7920] Generated Node #2: [72, 66, 7920] from Operation: 80*99=7920 Current State: 48:[72, 66, 7920], Operations: ['80*99=7920'] Exploring Operation: 7920/66=120, Resulting Numbers: [72, 120] Generated Node #3: [72, 120] from Operation: 7920/66=120 Current State: 48:[72, 120], Operations: ['80*99=7920', '7920/66=120'] Exploring Operation: 120-72=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[80, 72, 66, 99], Operations: [] Exploring Operation: 80-72=8, Resulting Numbers: [66, 99, 8] Generated Node #0,0: 48:[66, 99, 8] Operation: 80-72=8 Exploring Operation: 99-80=19, Resulting Numbers: [72, 66, 19] Generated Node #0,1: 48:[72, 66, 19] Operation: 99-80=19 Exploring Operation: 80-66=14, Resulting Numbers: [72, 99, 14] Generated Node #0,2: 48:[72, 99, 14] Operation: 80-66=14 Exploring Operation: 99-66=33, Resulting Numbers: [80, 72, 33] Generated Node #0,3: 48:[80, 72, 33] Operation: 99-66=33 Exploring Operation: 99-72=27, Resulting Numbers: [80, 66, 27] Generated Node #0,4: 48:[80, 66, 27] Operation: 99-72=27 Moving to Node #0,1 Current State: 48:[72, 66, 19], Operations: ['99-80=19'] Exploring Operation: 72-66=6, Resulting Numbers: [19, 6] Generated Node #0,1,0: 48:[19, 6] Operation: 72-66=6 Exploring Operation: 72+19=91, Resulting Numbers: [66, 91] Generated Node #0,1,1: 48:[66, 91] Operation: 72+19=91 Exploring Operation: 66-19=47, Resulting Numbers: [72, 47] Generated Node #0,1,2: 48:[72, 47] Operation: 66-19=47 Exploring Operation: 72-19=53, Resulting Numbers: [66, 53] Generated Node #0,1,3: 48:[66, 53] Operation: 72-19=53 Exploring Operation: 66+19=85, Resulting Numbers: [72, 85] Generated Node #0,1,4: 48:[72, 85] Operation: 66+19=85 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[19, 6], Operations: ['99-80=19', '72-66=6'] Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,48 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 48:[66, 53], Operations: ['99-80=19', '72-19=53'] Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 66*53=3498, Resulting Numbers: [3498] 3498,48 unequal: No Solution Exploring Operation: 66+53=119, Resulting Numbers: [119] 119,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[72, 47], Operations: ['99-80=19', '66-19=47'] Exploring Operation: 72+47=119, Resulting Numbers: [119] 119,48 unequal: No Solution Exploring Operation: 72*47=3384, Resulting Numbers: [3384] 3384,48 unequal: No Solution Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[66, 91], Operations: ['99-80=19', '72+19=91'] Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 66+91=157, Resulting Numbers: [157] 157,48 unequal: No Solution Exploring Operation: 66*91=6006, Resulting Numbers: [6006] 6006,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 48:[72, 85], Operations: ['99-80=19', '66+19=85'] Exploring Operation: 72*85=6120, Resulting Numbers: [6120] 6120,48 unequal: No Solution Exploring Operation: 85-72=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 72+85=157, Resulting Numbers: [157] 157,48 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: 48:[80, 66, 27], Operations: ['99-72=27'] Exploring Operation: 66+27=93, Resulting Numbers: [80, 93] Generated Node #0,4,0: 48:[80, 93] Operation: 66+27=93 Exploring Operation: 80-27=53, Resulting Numbers: [66, 53] Generated Node #0,4,1: 48:[66, 53] Operation: 80-27=53 Exploring Operation: 66-27=39, Resulting Numbers: [80, 39] Generated Node #0,4,2: 48:[80, 39] Operation: 66-27=39 Exploring Operation: 80+27=107, Resulting Numbers: [66, 107] Generated Node #0,4,3: 48:[66, 107] Operation: 80+27=107 Exploring Operation: 80-66=14, Resulting Numbers: [27, 14] Generated Node #0,4,4: 48:[27, 14] Operation: 80-66=14 Moving to Node #0,3 Current State: 48:[80, 72, 33], Operations: ['99-66=33'] Exploring Operation: 72+33=105, Resulting Numbers: [80, 105] Generated Node #0,3,0: 48:[80, 105] Operation: 72+33=105 Exploring Operation: 80-33=47, Resulting Numbers: [72, 47] Generated Node #0,3,1: 48:[72, 47] Operation: 80-33=47 Exploring Operation: 80-72=8, Resulting Numbers: [33, 8] Generated Node #0,3,2: 48:[33, 8] Operation: 80-72=8 Exploring Operation: 72-33=39, Resulting Numbers: [80, 39] Generated Node #0,3,3: 48:[80, 39] Operation: 72-33=39 Exploring Operation: 80+33=113, Resulting Numbers: [72, 113] Generated Node #0,3,4: 48:[72, 113] Operation: 80+33=113 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 48:[33, 8], Operations: ['99-66=33', '80-72=8'] Exploring Operation: 33+8=41, Resulting Numbers: [41] 41,48 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 33*8=264, Resulting Numbers: [264] 264,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 48:[72, 47], Operations: ['99-66=33', '80-33=47'] Exploring Operation: 72*47=3384, Resulting Numbers: [3384] 3384,48 unequal: No Solution Exploring Operation: 72+47=119, Resulting Numbers: [119] 119,48 unequal: No Solution Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 48:[80, 39], Operations: ['99-66=33', '72-33=39'] Exploring Operation: 80+39=119, Resulting Numbers: [119] 119,48 unequal: No Solution Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,48 unequal: No Solution Exploring Operation: 80*39=3120, Resulting Numbers: [3120] 3120,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 48:[80, 105], Operations: ['99-66=33', '72+33=105'] Exploring Operation: 105-80=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 80*105=8400, Resulting Numbers: [8400] 8400,48 unequal: No Solution Exploring Operation: 80+105=185, Resulting Numbers: [185] 185,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 48:[72, 113], Operations: ['99-66=33', '80+33=113'] Exploring Operation: 113-72=41, Resulting Numbers: [41] 41,48 unequal: No Solution Exploring Operation: 72*113=8136, Resulting Numbers: [8136] 8136,48 unequal: No Solution Exploring Operation: 72+113=185, Resulting Numbers: [185] 185,48 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: 48:[66, 99, 8], Operations: ['80-72=8'] Exploring Operation: 66-8=58, Resulting Numbers: [99, 58] Generated Node #0,0,0: 48:[99, 58] Operation: 66-8=58 Exploring Operation: 99-8=91, Resulting Numbers: [66, 91] Generated Node #0,0,1: 48:[66, 91] Operation: 99-8=91 Exploring Operation: 99+8=107, Resulting Numbers: [66, 107] Generated Node #0,0,2: 48:[66, 107] Operation: 99+8=107 Exploring Operation: 99-66=33, Resulting Numbers: [8, 33] Generated Node #0,0,3: 48:[8, 33] Operation: 99-66=33 Exploring Operation: 66+8=74, Resulting Numbers: [99, 74] Generated Node #0,0,4: 48:[99, 74] Operation: 66+8=74 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 48:[8, 33], Operations: ['80-72=8', '99-66=33'] Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,48 unequal: No Solution Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[99, 58], Operations: ['80-72=8', '66-8=58'] Exploring Operation: 99*58=5742, Resulting Numbers: [5742] 5742,48 unequal: No Solution Exploring Operation: 99-58=41, Resulting Numbers: [41] 41,48 unequal: No Solution Exploring Operation: 99+58=157, Resulting Numbers: [157] 157,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 48:[66, 91], Operations: ['80-72=8', '99-8=91'] Exploring Operation: 66+91=157, Resulting Numbers: [157] 157,48 unequal: No Solution Exploring Operation: 66*91=6006, Resulting Numbers: [6006] 6006,48 unequal: No Solution Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 48:[66, 107], Operations: ['80-72=8', '99+8=107'] Exploring Operation: 107-66=41, Resulting Numbers: [41] 41,48 unequal: No Solution Exploring Operation: 66+107=173, Resulting Numbers: [173] 173,48 unequal: No Solution Exploring Operation: 66*107=7062, Resulting Numbers: [7062] 7062,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 48:[99, 74], Operations: ['80-72=8', '66+8=74'] Exploring Operation: 99*74=7326, Resulting Numbers: [7326] 7326,48 unequal: No Solution Exploring Operation: 99-74=25, Resulting Numbers: [25] 25,48 unequal: No Solution Exploring Operation: 99+74=173, Resulting Numbers: [173] 173,48 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: 48:[72, 99, 14], Operations: ['80-66=14'] Exploring Operation: 99-14=85, Resulting Numbers: [72, 85] Generated Node #0,2,0: 48:[72, 85] Operation: 99-14=85 Exploring Operation: 72-14=58, Resulting Numbers: [99, 58] Generated Node #0,2,1: 48:[99, 58] Operation: 72-14=58 Exploring Operation: 99+14=113, Resulting Numbers: [72, 113] Generated Node #0,2,2: 48:[72, 113] Operation: 99+14=113 Exploring Operation: 99-72=27, Resulting Numbers: [14, 27] Generated Node #0,2,3: 48:[14, 27] Operation: 99-72=27 Exploring Operation: 72+14=86, Resulting Numbers: [99, 86] Generated Node #0,2,4: 48:[99, 86] Operation: 72+14=86 Moving to Node #0,4,4 Current State: 48:[27, 14], Operations: ['99-72=27', '80-66=14'] Exploring Operation: 27+14=41, Resulting Numbers: [41] 41,48 unequal: No Solution Exploring Operation: 27*14=378, Resulting Numbers: [378] 378,48 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,48 unequal: No Solution Moving to Node #0,2,3 Current State: 48:[14, 27], Operations: ['80-66=14', '99-72=27'] Exploring Operation: 14+27=41, Resulting Numbers: [41] 41,48 unequal: No Solution Exploring Operation: 27-14=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 14*27=378, Resulting Numbers: [378] 378,48 unequal: No Solution Moving to Node #0,4,1 Current State: 48:[66, 53], Operations: ['99-72=27', '80-27=53'] Exploring Operation: 66*53=3498, Resulting Numbers: [3498] 3498,48 unequal: No Solution Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 66+53=119, Resulting Numbers: [119] 119,48 unequal: No Solution Moving to Node #0,4,2 Current State: 48:[80, 39], Operations: ['99-72=27', '66-27=39'] Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,48 unequal: No Solution Exploring Operation: 80*39=3120, Resulting Numbers: [3120] 3120,48 unequal: No Solution Exploring Operation: 80+39=119, Resulting Numbers: [119] 119,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[72, 85], Operations: ['80-66=14', '99-14=85'] Exploring Operation: 85-72=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 72+85=157, Resulting Numbers: [157] 157,48 unequal: No Solution Exploring Operation: 72*85=6120, Resulting Numbers: [6120] 6120,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[99, 58], Operations: ['80-66=14', '72-14=58'] Exploring Operation: 99+58=157, Resulting Numbers: [157] 157,48 unequal: No Solution Exploring Operation: 99*58=5742, Resulting Numbers: [5742] 5742,48 unequal: No Solution Exploring Operation: 99-58=41, Resulting Numbers: [41] 41,48 unequal: No Solution Moving to Node #0,4,3 Current State: 48:[66, 107], Operations: ['99-72=27', '80+27=107'] Exploring Operation: 107-66=41, Resulting Numbers: [41] 41,48 unequal: No Solution Exploring Operation: 66+107=173, Resulting Numbers: [173] 173,48 unequal: No Solution Exploring Operation: 66*107=7062, Resulting Numbers: [7062] 7062,48 unequal: No Solution Moving to Node #0,4,0 Current State: 48:[80, 93], Operations: ['99-72=27', '66+27=93'] Exploring Operation: 80*93=7440, Resulting Numbers: [7440] 7440,48 unequal: No Solution Exploring Operation: 93-80=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 80+93=173, Resulting Numbers: [173] 173,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[72, 113], Operations: ['80-66=14', '99+14=113'] Exploring Operation: 72+113=185, Resulting Numbers: [185] 185,48 unequal: No Solution Exploring Operation: 113-72=41, Resulting Numbers: [41] 41,48 unequal: No Solution Exploring Operation: 72*113=8136, Resulting Numbers: [8136] 8136,48 unequal: No Solution Moving to Node #0,2,4 Current State: 48:[99, 86], Operations: ['80-66=14', '72+14=86'] Exploring Operation: 99-86=13, Resulting Numbers: [13] 13,48 unequal: No Solution Exploring Operation: 99+86=185, Resulting Numbers: [185] 185,48 unequal: No Solution Exploring Operation: 99*86=8514, Resulting Numbers: [8514] 8514,48 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 17, 57, 9, 60 ]
54
[ "60-9=51", "51/17=3", "57-3=54" ]
Current State: 54:[17, 57, 9, 60], Operations: [] Exploring Operation: 60-9=51, Resulting Numbers: [17, 57, 51] Generated Node #2: [17, 57, 51] from Operation: 60-9=51 Current State: 54:[17, 57, 51], Operations: ['60-9=51'] Exploring Operation: 51/17=3, Resulting Numbers: [57, 3] Generated Node #3: [57, 3] from Operation: 51/17=3 Current State: 54:[57, 3], Operations: ['60-9=51', '51/17=3'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[17, 57, 9, 60], Operations: [] Exploring Operation: 60-9=51, Resulting Numbers: [17, 57, 51] Generated Node #0,0: 54:[17, 57, 51] Operation: 60-9=51 Exploring Operation: 60-57=3, Resulting Numbers: [17, 9, 3] Generated Node #0,1: 54:[17, 9, 3] Operation: 60-57=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[17, 9, 3], Operations: ['60-57=3'] Exploring Operation: 17-9=8, Resulting Numbers: [3, 8] Generated Node #0,1,0: 54:[3, 8] Operation: 17-9=8 Exploring Operation: 17+9=26, Resulting Numbers: [3, 26] Generated Node #0,1,1: 54:[3, 26] Operation: 17+9=26 Moving to Node #0,1,0 Current State: 54:[3, 8], Operations: ['60-57=3', '17-9=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,54 unequal: No Solution Moving to Node #0,1,1 Current State: 54:[3, 26], Operations: ['60-57=3', '17+9=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,54 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[17, 57, 51], Operations: ['60-9=51'] Exploring Operation: 51/17=3, Resulting Numbers: [57, 3] Generated Node #0,0,0: 54:[57, 3] Operation: 51/17=3 Exploring Operation: 57-51=6, Resulting Numbers: [17, 6] Generated Node #0,0,1: 54:[17, 6] Operation: 57-51=6 Moving to Node #0,0,1 Current State: 54:[17, 6], Operations: ['60-9=51', '57-51=6'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,54 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[57, 3], Operations: ['60-9=51', '51/17=3'] Exploring Operation: 57/3=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[17, 57, 9, 60], Operations: [] Exploring Operation: 60-9=51, Resulting Numbers: [17, 57, 51] Generated Node #0,0: 54:[17, 57, 51] Operation: 60-9=51 Moving to Node #0,0 Current State: 54:[17, 57, 51], Operations: ['60-9=51'] Exploring Operation: 51/17=3, Resulting Numbers: [57, 3] Generated Node #0,0,0: 54:[57, 3] Operation: 51/17=3 Moving to Node #0,0,0 Current State: 54:[57, 3], Operations: ['60-9=51', '51/17=3'] Exploring Operation: 57-3=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
mult_heuristic
[ 43, 33, 9, 58 ]
55
[ "58-43=15", "33*15=495", "495/9=55" ]
Current State: 55:[43, 33, 9, 58], Operations: [] Exploring Operation: 58-43=15, Resulting Numbers: [33, 9, 15] Generated Node #2: [33, 9, 15] from Operation: 58-43=15 Current State: 55:[33, 9, 15], Operations: ['58-43=15'] Exploring Operation: 33*15=495, Resulting Numbers: [9, 495] Generated Node #3: [9, 495] from Operation: 33*15=495 Current State: 55:[9, 495], Operations: ['58-43=15', '33*15=495'] Exploring Operation: 495/9=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[43, 33, 9, 58], Operations: [] Exploring Operation: 43+33=76, Resulting Numbers: [9, 58, 76] Generated Node #0,0: 55:[9, 58, 76] Operation: 43+33=76 Exploring Operation: 43-33=10, Resulting Numbers: [9, 58, 10] Generated Node #0,1: 55:[9, 58, 10] Operation: 43-33=10 Exploring Operation: 43+9=52, Resulting Numbers: [33, 58, 52] Generated Node #0,2: 55:[33, 58, 52] Operation: 43+9=52 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[9, 58, 10], Operations: ['43-33=10'] Exploring Operation: 10-9=1, Resulting Numbers: [58, 1] Generated Node #0,1,0: 55:[58, 1] Operation: 10-9=1 Exploring Operation: 58-9=49, Resulting Numbers: [10, 49] Generated Node #0,1,1: 55:[10, 49] Operation: 58-9=49 Exploring Operation: 58-10=48, Resulting Numbers: [9, 48] Generated Node #0,1,2: 55:[9, 48] Operation: 58-10=48 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[58, 1], Operations: ['43-33=10', '10-9=1'] Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,55 unequal: No Solution No 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: 55:[10, 49], Operations: ['43-33=10', '58-9=49'] Exploring Operation: 10*49=490, Resulting Numbers: [490] 490,55 unequal: No Solution Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 10+49=59, Resulting Numbers: [59] 59,55 unequal: No Solution No 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: 55:[9, 48], Operations: ['43-33=10', '58-10=48'] Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,55 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: 55:[9, 58, 76], Operations: ['43+33=76'] Exploring Operation: 58-9=49, Resulting Numbers: [76, 49] Generated Node #0,0,0: 55:[76, 49] Operation: 58-9=49 Exploring Operation: 76-58=18, Resulting Numbers: [9, 18] Generated Node #0,0,1: 55:[9, 18] Operation: 76-58=18 Exploring Operation: 76-9=67, Resulting Numbers: [58, 67] Generated Node #0,0,2: 55:[58, 67] Operation: 76-9=67 Moving to Node #0,0,1 Current State: 55:[9, 18], Operations: ['43+33=76', '76-58=18'] Exploring Operation: 9+18=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,55 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[58, 67], Operations: ['43+33=76', '76-9=67'] Exploring Operation: 58+67=125, Resulting Numbers: [125] 125,55 unequal: No Solution Exploring Operation: 58*67=3886, Resulting Numbers: [3886] 3886,55 unequal: No Solution Exploring Operation: 67-58=9, Resulting Numbers: [9] 9,55 unequal: No Solution Moving to Node #0,0,0 Current State: 55:[76, 49], Operations: ['43+33=76', '58-9=49'] Exploring Operation: 76-49=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 76*49=3724, Resulting Numbers: [3724] 3724,55 unequal: No Solution Exploring Operation: 76+49=125, Resulting Numbers: [125] 125,55 unequal: No Solution No 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: 55:[33, 58, 52], Operations: ['43+9=52'] Exploring Operation: 58-52=6, Resulting Numbers: [33, 6] Generated Node #0,2,0: 55:[33, 6] Operation: 58-52=6 Exploring Operation: 52-33=19, Resulting Numbers: [58, 19] Generated Node #0,2,1: 55:[58, 19] Operation: 52-33=19 Exploring Operation: 58-33=25, Resulting Numbers: [52, 25] Generated Node #0,2,2: 55:[52, 25] Operation: 58-33=25 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 55:[58, 19], Operations: ['43+9=52', '52-33=19'] Exploring Operation: 58-19=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 58+19=77, Resulting Numbers: [77] 77,55 unequal: No Solution Exploring Operation: 58*19=1102, Resulting Numbers: [1102] 1102,55 unequal: No Solution No 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: 55:[52, 25], Operations: ['43+9=52', '58-33=25'] Exploring Operation: 52+25=77, Resulting Numbers: [77] 77,55 unequal: No Solution Exploring Operation: 52-25=27, Resulting Numbers: [27] 27,55 unequal: No Solution Exploring Operation: 52*25=1300, Resulting Numbers: [1300] 1300,55 unequal: No Solution No 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: 55:[33, 6], Operations: ['43+9=52', '58-52=6'] Exploring Operation: 33*6=198, Resulting Numbers: [198] 198,55 unequal: No Solution Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,55 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,55 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
[ 35, 1, 2, 4 ]
44
[ "35+1=36", "2*4=8", "36+8=44" ]
Current State: 44:[35, 1, 2, 4], Operations: [] Exploring Operation: 35+1=36, Resulting Numbers: [2, 4, 36] Generated Node #2: [2, 4, 36] from Operation: 35+1=36 Current State: 44:[2, 4, 36], Operations: ['35+1=36'] Exploring Operation: 2*4=8, Resulting Numbers: [36, 8] Generated Node #3: [36, 8] from Operation: 2*4=8 Current State: 44:[36, 8], Operations: ['35+1=36', '2*4=8'] Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[35, 1, 2, 4], Operations: [] Exploring Operation: 35+1=36, Resulting Numbers: [2, 4, 36] Generated Node #0,0: 44:[2, 4, 36] Operation: 35+1=36 Exploring Operation: 35+4=39, Resulting Numbers: [1, 2, 39] Generated Node #0,1: 44:[1, 2, 39] Operation: 35+4=39 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[1, 2, 39], Operations: ['35+4=39'] Exploring Operation: 1+39=40, Resulting Numbers: [2, 40] Generated Node #0,1,0: 44:[2, 40] Operation: 1+39=40 Exploring Operation: 2+39=41, Resulting Numbers: [1, 41] Generated Node #0,1,1: 44:[1, 41] Operation: 2+39=41 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 44:[2, 40], Operations: ['35+4=39', '1+39=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,44 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 44:[1, 41], Operations: ['35+4=39', '2+39=41'] Exploring Operation: 1*41=41, Resulting Numbers: [41] 41,44 unequal: No Solution Exploring Operation: 1+41=42, Resulting Numbers: [42] 42,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 44:[2, 4, 36], Operations: ['35+1=36'] Exploring Operation: 36/2=18, Resulting Numbers: [4, 18] Generated Node #0,0,0: 44:[4, 18] Operation: 36/2=18 Exploring Operation: 36/4=9, Resulting Numbers: [2, 9] Generated Node #0,0,1: 44:[2, 9] Operation: 36/4=9 Moving to Node #0,0,1 Current State: 44:[2, 9], Operations: ['35+1=36', '36/4=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,44 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,44 unequal: No Solution Moving to Node #0,0,0 Current State: 44:[4, 18], Operations: ['35+1=36', '36/2=18'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,44 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,44 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
[ 55, 69, 51, 49 ]
28
[ "69-55=14", "51-49=2", "14*2=28" ]
Current State: 28:[55, 69, 51, 49], Operations: [] Exploring Operation: 69-55=14, Resulting Numbers: [51, 49, 14] Generated Node #2: [51, 49, 14] from Operation: 69-55=14 Current State: 28:[51, 49, 14], Operations: ['69-55=14'] Exploring Operation: 51-49=2, Resulting Numbers: [14, 2] Generated Node #3: [14, 2] from Operation: 51-49=2 Current State: 28:[14, 2], Operations: ['69-55=14', '51-49=2'] Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[55, 69, 51, 49], Operations: [] Exploring Operation: 69-49=20, Resulting Numbers: [55, 51, 20] Generated Node #0,0: 28:[55, 51, 20] Operation: 69-49=20 Exploring Operation: 69-51=18, Resulting Numbers: [55, 49, 18] Generated Node #0,1: 28:[55, 49, 18] Operation: 69-51=18 Exploring Operation: 69-55=14, Resulting Numbers: [51, 49, 14] Generated Node #0,2: 28:[51, 49, 14] Operation: 69-55=14 Exploring Operation: 55-51=4, Resulting Numbers: [69, 49, 4] Generated Node #0,3: 28:[69, 49, 4] Operation: 55-51=4 Moving to Node #0,2 Current State: 28:[51, 49, 14], Operations: ['69-55=14'] Exploring Operation: 51+14=65, Resulting Numbers: [49, 65] Generated Node #0,2,0: 28:[49, 65] Operation: 51+14=65 Exploring Operation: 51-49=2, Resulting Numbers: [14, 2] Generated Node #0,2,1: 28:[14, 2] Operation: 51-49=2 Exploring Operation: 51-14=37, Resulting Numbers: [49, 37] Generated Node #0,2,2: 28:[49, 37] Operation: 51-14=37 Exploring Operation: 49-14=35, Resulting Numbers: [51, 35] Generated Node #0,2,3: 28:[51, 35] Operation: 49-14=35 Moving to Node #0,1 Current State: 28:[55, 49, 18], Operations: ['69-51=18'] Exploring Operation: 55+18=73, Resulting Numbers: [49, 73] Generated Node #0,1,0: 28:[49, 73] Operation: 55+18=73 Exploring Operation: 55-49=6, Resulting Numbers: [18, 6] Generated Node #0,1,1: 28:[18, 6] Operation: 55-49=6 Exploring Operation: 55-18=37, Resulting Numbers: [49, 37] Generated Node #0,1,2: 28:[49, 37] Operation: 55-18=37 Exploring Operation: 49-18=31, Resulting Numbers: [55, 31] Generated Node #0,1,3: 28:[55, 31] Operation: 49-18=31 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[18, 6], Operations: ['69-51=18', '55-49=6'] Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,28 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,28 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[49, 37], Operations: ['69-51=18', '55-18=37'] Exploring Operation: 49-37=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 49+37=86, Resulting Numbers: [86] 86,28 unequal: No Solution Exploring Operation: 49*37=1813, Resulting Numbers: [1813] 1813,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 28:[55, 31], Operations: ['69-51=18', '49-18=31'] Exploring Operation: 55+31=86, Resulting Numbers: [86] 86,28 unequal: No Solution Exploring Operation: 55*31=1705, Resulting Numbers: [1705] 1705,28 unequal: No Solution Exploring Operation: 55-31=24, Resulting Numbers: [24] 24,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[49, 73], Operations: ['69-51=18', '55+18=73'] Exploring Operation: 73-49=24, Resulting Numbers: [24] 24,28 unequal: No Solution Exploring Operation: 49+73=122, Resulting Numbers: [122] 122,28 unequal: No Solution Exploring Operation: 49*73=3577, Resulting Numbers: [3577] 3577,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 28:[55, 51, 20], Operations: ['69-49=20'] Exploring Operation: 55-51=4, Resulting Numbers: [20, 4] Generated Node #0,0,0: 28:[20, 4] Operation: 55-51=4 Exploring Operation: 51-20=31, Resulting Numbers: [55, 31] Generated Node #0,0,1: 28:[55, 31] Operation: 51-20=31 Exploring Operation: 55-20=35, Resulting Numbers: [51, 35] Generated Node #0,0,2: 28:[51, 35] Operation: 55-20=35 Exploring Operation: 55+20=75, Resulting Numbers: [51, 75] Generated Node #0,0,3: 28:[51, 75] Operation: 55+20=75 Moving to Node #0,3 Current State: 28:[69, 49, 4], Operations: ['55-51=4'] Exploring Operation: 49-4=45, Resulting Numbers: [69, 45] Generated Node #0,3,0: 28:[69, 45] Operation: 49-4=45 Exploring Operation: 69-4=65, Resulting Numbers: [49, 65] Generated Node #0,3,1: 28:[49, 65] Operation: 69-4=65 Exploring Operation: 69-49=20, Resulting Numbers: [4, 20] Generated Node #0,3,2: 28:[4, 20] Operation: 69-49=20 Exploring Operation: 69+4=73, Resulting Numbers: [49, 73] Generated Node #0,3,3: 28:[49, 73] Operation: 69+4=73 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 28:[4, 20], Operations: ['55-51=4', '69-49=20'] Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,28 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,28 unequal: No Solution Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,28 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 28:[69, 45], Operations: ['55-51=4', '49-4=45'] Exploring Operation: 69*45=3105, Resulting Numbers: [3105] 3105,28 unequal: No Solution Exploring Operation: 69+45=114, Resulting Numbers: [114] 114,28 unequal: No Solution Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 28:[49, 65], Operations: ['55-51=4', '69-4=65'] Exploring Operation: 49+65=114, Resulting Numbers: [114] 114,28 unequal: No Solution Exploring Operation: 65-49=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 49*65=3185, Resulting Numbers: [3185] 3185,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 28:[49, 73], Operations: ['55-51=4', '69+4=73'] Exploring Operation: 49+73=122, Resulting Numbers: [122] 122,28 unequal: No Solution Exploring Operation: 73-49=24, Resulting Numbers: [24] 24,28 unequal: No Solution Exploring Operation: 49*73=3577, Resulting Numbers: [3577] 3577,28 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: 28:[14, 2], Operations: ['69-55=14', '51-49=2'] Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,28 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,28 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[55, 69, 51, 49], Operations: [] Exploring Operation: 69-55=14, Resulting Numbers: [51, 49, 14] Generated Node #0,2: 28:[51, 49, 14] Operation: 69-55=14 Moving to Node #0,2 Current State: 28:[51, 49, 14], Operations: ['69-55=14'] Exploring Operation: 51-49=2, Resulting Numbers: [14, 2] Generated Node #0,2,1: 28:[14, 2] Operation: 51-49=2 Moving to Node #0,2,1 Current State: 28:[14, 2], Operations: ['69-55=14', '51-49=2'] Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.953993
hs_4
sum_heuristic
[ 1, 59, 2, 68 ]
12
[ "59-1=58", "2+68=70", "70-58=12" ]
Current State: 12:[1, 59, 2, 68], Operations: [] Exploring Operation: 59-1=58, Resulting Numbers: [2, 68, 58] Generated Node #2: [2, 68, 58] from Operation: 59-1=58 Current State: 12:[2, 68, 58], Operations: ['59-1=58'] Exploring Operation: 2+68=70, Resulting Numbers: [58, 70] Generated Node #3: [58, 70] from Operation: 2+68=70 Current State: 12:[58, 70], Operations: ['59-1=58', '2+68=70'] Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[1, 59, 2, 68], Operations: [] Exploring Operation: 68/2=34, Resulting Numbers: [1, 59, 34] Generated Node #0,0: 12:[1, 59, 34] Operation: 68/2=34 Exploring Operation: 68-59=9, Resulting Numbers: [1, 2, 9] Generated Node #0,1: 12:[1, 2, 9] Operation: 68-59=9 Exploring Operation: 59-1=58, Resulting Numbers: [2, 68, 58] Generated Node #0,2: 12:[2, 68, 58] Operation: 59-1=58 Moving to Node #0,1 Current State: 12:[1, 2, 9], Operations: ['68-59=9'] Exploring Operation: 1+9=10, Resulting Numbers: [2, 10] Generated Node #0,1,0: 12:[2, 10] Operation: 1+9=10 Exploring Operation: 2+9=11, Resulting Numbers: [1, 11] Generated Node #0,1,1: 12:[1, 11] Operation: 2+9=11 Exploring Operation: 9-1=8, Resulting Numbers: [2, 8] Generated Node #0,1,2: 12:[2, 8] Operation: 9-1=8 Moving to Node #0,0 Current State: 12:[1, 59, 34], Operations: ['68/2=34'] Exploring Operation: 59-34=25, Resulting Numbers: [1, 25] Generated Node #0,0,0: 12:[1, 25] Operation: 59-34=25 Exploring Operation: 59-1=58, Resulting Numbers: [34, 58] Generated Node #0,0,1: 12:[34, 58] Operation: 59-1=58 Exploring Operation: 34-1=33, Resulting Numbers: [59, 33] Generated Node #0,0,2: 12:[59, 33] Operation: 34-1=33 Moving to Node #0,2 Current State: 12:[2, 68, 58], Operations: ['59-1=58'] Exploring Operation: 68-58=10, Resulting Numbers: [2, 10] Generated Node #0,2,0: 12:[2, 10] Operation: 68-58=10 Exploring Operation: 58/2=29, Resulting Numbers: [68, 29] Generated Node #0,2,1: 12:[68, 29] Operation: 58/2=29 Exploring Operation: 68/2=34, Resulting Numbers: [58, 34] Generated Node #0,2,2: 12:[58, 34] Operation: 68/2=34 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 12:[2, 10], Operations: ['59-1=58', '68-58=10'] Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,12 unequal: No Solution Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[1, 59, 2, 68], Operations: [] Exploring Operation: 59-1=58, Resulting Numbers: [2, 68, 58] Generated Node #0,2: 12:[2, 68, 58] Operation: 59-1=58 Moving to Node #0,2 Current State: 12:[2, 68, 58], Operations: ['59-1=58'] Exploring Operation: 68-58=10, Resulting Numbers: [2, 10] Generated Node #0,2,0: 12:[2, 10] Operation: 68-58=10 Moving to Node #0,2,0 Current State: 12:[2, 10], Operations: ['59-1=58', '68-58=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 9, 10, 62, 89 ]
51
[ "10+89=99", "99/9=11", "62-11=51" ]
Current State: 51:[9, 10, 62, 89], Operations: [] Exploring Operation: 10+89=99, Resulting Numbers: [9, 62, 99] Generated Node #2: [9, 62, 99] from Operation: 10+89=99 Current State: 51:[9, 62, 99], Operations: ['10+89=99'] Exploring Operation: 99/9=11, Resulting Numbers: [62, 11] Generated Node #3: [62, 11] from Operation: 99/9=11 Current State: 51:[62, 11], Operations: ['10+89=99', '99/9=11'] Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[9, 10, 62, 89], Operations: [] Exploring Operation: 62-9=53, Resulting Numbers: [10, 89, 53] Generated Node #0,0: 51:[10, 89, 53] Operation: 62-9=53 Exploring Operation: 62-10=52, Resulting Numbers: [9, 89, 52] Generated Node #0,1: 51:[9, 89, 52] Operation: 62-10=52 Exploring Operation: 89-62=27, Resulting Numbers: [9, 10, 27] Generated Node #0,2: 51:[9, 10, 27] Operation: 89-62=27 Exploring Operation: 89-10=79, Resulting Numbers: [9, 62, 79] Generated Node #0,3: 51:[9, 62, 79] Operation: 89-10=79 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[9, 10, 27], Operations: ['89-62=27'] Exploring Operation: 27-9=18, Resulting Numbers: [10, 18] Generated Node #0,2,0: 51:[10, 18] Operation: 27-9=18 Exploring Operation: 9+10=19, Resulting Numbers: [27, 19] Generated Node #0,2,1: 51:[27, 19] Operation: 9+10=19 Exploring Operation: 27-10=17, Resulting Numbers: [9, 17] Generated Node #0,2,2: 51:[9, 17] Operation: 27-10=17 Exploring Operation: 27/9=3, Resulting Numbers: [10, 3] Generated Node #0,2,3: 51:[10, 3] Operation: 27/9=3 Moving to Node #0,2,2 Current State: 51:[9, 17], Operations: ['89-62=27', '27-10=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,51 unequal: No Solution Moving to Node #0,2,3 Current State: 51:[10, 3], Operations: ['89-62=27', '27/9=3'] Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[10, 18], Operations: ['89-62=27', '27-9=18'] Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,51 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[27, 19], Operations: ['89-62=27', '9+10=19'] Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 27*19=513, Resulting Numbers: [513] 513,51 unequal: No Solution Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[9, 89, 52], Operations: ['62-10=52'] Exploring Operation: 89-52=37, Resulting Numbers: [9, 37] Generated Node #0,1,0: 51:[9, 37] Operation: 89-52=37 Exploring Operation: 9+89=98, Resulting Numbers: [52, 98] Generated Node #0,1,1: 51:[52, 98] Operation: 9+89=98 Exploring Operation: 89-9=80, Resulting Numbers: [52, 80] Generated Node #0,1,2: 51:[52, 80] Operation: 89-9=80 Exploring Operation: 52-9=43, Resulting Numbers: [89, 43] Generated Node #0,1,3: 51:[89, 43] Operation: 52-9=43 Moving to Node #0,1,0 Current State: 51:[9, 37], Operations: ['62-10=52', '89-52=37'] Exploring Operation: 9+37=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,51 unequal: No Solution Exploring Operation: 9*37=333, Resulting Numbers: [333] 333,51 unequal: No Solution Moving to Node #0,1,2 Current State: 51:[52, 80], Operations: ['62-10=52', '89-9=80'] Exploring Operation: 52+80=132, Resulting Numbers: [132] 132,51 unequal: No Solution Exploring Operation: 52*80=4160, Resulting Numbers: [4160] 4160,51 unequal: No Solution Exploring Operation: 80-52=28, Resulting Numbers: [28] 28,51 unequal: No Solution Moving to Node #0,1,3 Current State: 51:[89, 43], Operations: ['62-10=52', '52-9=43'] Exploring Operation: 89-43=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 89*43=3827, Resulting Numbers: [3827] 3827,51 unequal: No Solution Exploring Operation: 89+43=132, Resulting Numbers: [132] 132,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[52, 98], Operations: ['62-10=52', '9+89=98'] Exploring Operation: 98-52=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 52+98=150, Resulting Numbers: [150] 150,51 unequal: No Solution Exploring Operation: 52*98=5096, Resulting Numbers: [5096] 5096,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 51:[9, 62, 79], Operations: ['89-10=79'] Exploring Operation: 9+62=71, Resulting Numbers: [79, 71] Generated Node #0,3,0: 51:[79, 71] Operation: 9+62=71 Exploring Operation: 79-9=70, Resulting Numbers: [62, 70] Generated Node #0,3,1: 51:[62, 70] Operation: 79-9=70 Exploring Operation: 62-9=53, Resulting Numbers: [79, 53] Generated Node #0,3,2: 51:[79, 53] Operation: 62-9=53 Exploring Operation: 79-62=17, Resulting Numbers: [9, 17] Generated Node #0,3,3: 51:[9, 17] Operation: 79-62=17 Moving to Node #0,3,3 Current State: 51:[9, 17], Operations: ['89-10=79', '79-62=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,51 unequal: No Solution Moving to Node #0,3,2 Current State: 51:[79, 53], Operations: ['89-10=79', '62-9=53'] Exploring Operation: 79+53=132, Resulting Numbers: [132] 132,51 unequal: No Solution Exploring Operation: 79*53=4187, Resulting Numbers: [4187] 4187,51 unequal: No Solution Exploring Operation: 79-53=26, Resulting Numbers: [26] 26,51 unequal: No Solution Moving to Node #0,3,1 Current State: 51:[62, 70], Operations: ['89-10=79', '79-9=70'] Exploring Operation: 70-62=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 62+70=132, Resulting Numbers: [132] 132,51 unequal: No Solution Exploring Operation: 62*70=4340, Resulting Numbers: [4340] 4340,51 unequal: No Solution Moving to Node #0,3,0 Current State: 51:[79, 71], Operations: ['89-10=79', '9+62=71'] Exploring Operation: 79+71=150, Resulting Numbers: [150] 150,51 unequal: No Solution Exploring Operation: 79-71=8, Resulting Numbers: [8] 8,51 unequal: No Solution Exploring Operation: 79*71=5609, Resulting Numbers: [5609] 5609,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[10, 89, 53], Operations: ['62-9=53'] Exploring Operation: 53-10=43, Resulting Numbers: [89, 43] Generated Node #0,0,0: 51:[89, 43] Operation: 53-10=43 Exploring Operation: 10+89=99, Resulting Numbers: [53, 99] Generated Node #0,0,1: 51:[53, 99] Operation: 10+89=99 Exploring Operation: 89-10=79, Resulting Numbers: [53, 79] Generated Node #0,0,2: 51:[53, 79] Operation: 89-10=79 Exploring Operation: 89-53=36, Resulting Numbers: [10, 36] Generated Node #0,0,3: 51:[10, 36] Operation: 89-53=36 Moving to Node #0,0,3 Current State: 51:[10, 36], Operations: ['62-9=53', '89-53=36'] Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[53, 79], Operations: ['62-9=53', '89-10=79'] Exploring Operation: 53*79=4187, Resulting Numbers: [4187] 4187,51 unequal: No Solution Exploring Operation: 79-53=26, Resulting Numbers: [26] 26,51 unequal: No Solution Exploring Operation: 53+79=132, Resulting Numbers: [132] 132,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[89, 43], Operations: ['62-9=53', '53-10=43'] Exploring Operation: 89+43=132, Resulting Numbers: [132] 132,51 unequal: No Solution Exploring Operation: 89-43=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 89*43=3827, Resulting Numbers: [3827] 3827,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[53, 99], Operations: ['62-9=53', '10+89=99'] Exploring Operation: 99-53=46, Resulting Numbers: [46] 46,51 unequal: No Solution Exploring Operation: 53+99=152, Resulting Numbers: [152] 152,51 unequal: No Solution Exploring Operation: 53*99=5247, Resulting Numbers: [5247] 5247,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 36, 30, 92, 54 ]
28
[ "36+30=66", "92-54=38", "66-38=28" ]
Current State: 28:[36, 30, 92, 54], Operations: [] Exploring Operation: 36+30=66, Resulting Numbers: [92, 54, 66] Generated Node #2: [92, 54, 66] from Operation: 36+30=66 Current State: 28:[92, 54, 66], Operations: ['36+30=66'] Exploring Operation: 92-54=38, Resulting Numbers: [66, 38] Generated Node #3: [66, 38] from Operation: 92-54=38 Current State: 28:[66, 38], Operations: ['36+30=66', '92-54=38'] Exploring Operation: 66-38=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[36, 30, 92, 54], Operations: [] Exploring Operation: 92-54=38, Resulting Numbers: [36, 30, 38] Generated Node #0,0: 28:[36, 30, 38] Operation: 92-54=38 Exploring Operation: 92-36=56, Resulting Numbers: [30, 54, 56] Generated Node #0,1: 28:[30, 54, 56] Operation: 92-36=56 Exploring Operation: 92-30=62, Resulting Numbers: [36, 54, 62] Generated Node #0,2: 28:[36, 54, 62] Operation: 92-30=62 Exploring Operation: 54-36=18, Resulting Numbers: [30, 92, 18] Generated Node #0,3: 28:[30, 92, 18] Operation: 54-36=18 Exploring Operation: 54-30=24, Resulting Numbers: [36, 92, 24] Generated Node #0,4: 28:[36, 92, 24] Operation: 54-30=24 Moving to Node #0,0 Current State: 28:[36, 30, 38], Operations: ['92-54=38'] Exploring Operation: 36+38=74, Resulting Numbers: [30, 74] Generated Node #0,0,0: 28:[30, 74] Operation: 36+38=74 Exploring Operation: 38-36=2, Resulting Numbers: [30, 2] Generated Node #0,0,1: 28:[30, 2] Operation: 38-36=2 Exploring Operation: 36+30=66, Resulting Numbers: [38, 66] Generated Node #0,0,2: 28:[38, 66] Operation: 36+30=66 Exploring Operation: 38-30=8, Resulting Numbers: [36, 8] Generated Node #0,0,3: 28:[36, 8] Operation: 38-30=8 Exploring Operation: 36-30=6, Resulting Numbers: [38, 6] Generated Node #0,0,4: 28:[38, 6] Operation: 36-30=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 28:[30, 2], Operations: ['92-54=38', '38-36=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,28 unequal: No Solution Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,28 unequal: No Solution Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,28 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[36, 30, 92, 54], Operations: [] Exploring Operation: 92-54=38, Resulting Numbers: [36, 30, 38] Generated Node #0,0: 28:[36, 30, 38] Operation: 92-54=38 Moving to Node #0,0 Current State: 28:[36, 30, 38], Operations: ['92-54=38'] Exploring Operation: 38-36=2, Resulting Numbers: [30, 2] Generated Node #0,0,1: 28:[30, 2] Operation: 38-36=2 Moving to Node #0,0,1 Current State: 28:[30, 2], Operations: ['92-54=38', '38-36=2'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 2, 40, 19, 24 ]
71
[ "24/2=12", "40+19=59", "12+59=71" ]
Current State: 71:[2, 40, 19, 24], Operations: [] Exploring Operation: 24/2=12, Resulting Numbers: [40, 19, 12] Generated Node #2: [40, 19, 12] from Operation: 24/2=12 Current State: 71:[40, 19, 12], Operations: ['24/2=12'] Exploring Operation: 40+19=59, Resulting Numbers: [12, 59] Generated Node #3: [12, 59] from Operation: 40+19=59 Current State: 71:[12, 59], Operations: ['24/2=12', '40+19=59'] Exploring Operation: 12+59=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[2, 40, 19, 24], Operations: [] Exploring Operation: 2*24=48, Resulting Numbers: [40, 19, 48] Generated Node #0,0: 71:[40, 19, 48] Operation: 2*24=48 Moving to Node #0,0 Current State: 71:[40, 19, 48], Operations: ['2*24=48'] Exploring Operation: 40+19=59, Resulting Numbers: [48, 59] Generated Node #0,0,0: 71:[48, 59] Operation: 40+19=59 Moving to Node #0,0,0 Current State: 71:[48, 59], Operations: ['2*24=48', '40+19=59'] Exploring Operation: 48+59=107, Resulting Numbers: [107] 107,71 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 23, 84, 93, 19 ]
95
[ "23+19=42", "84/42=2", "93+2=95" ]
Current State: 95:[23, 84, 93, 19], Operations: [] Exploring Operation: 23+19=42, Resulting Numbers: [84, 93, 42] Generated Node #2: [84, 93, 42] from Operation: 23+19=42 Current State: 95:[84, 93, 42], Operations: ['23+19=42'] Exploring Operation: 84/42=2, Resulting Numbers: [93, 2] Generated Node #3: [93, 2] from Operation: 84/42=2 Current State: 95:[93, 2], Operations: ['23+19=42', '84/42=2'] Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[23, 84, 93, 19], Operations: [] Exploring Operation: 23-19=4, Resulting Numbers: [84, 93, 4] Generated Node #0,0: 95:[84, 93, 4] Operation: 23-19=4 Exploring Operation: 93-84=9, Resulting Numbers: [23, 19, 9] Generated Node #0,1: 95:[23, 19, 9] Operation: 93-84=9 Exploring Operation: 23+84=107, Resulting Numbers: [93, 19, 107] Generated Node #0,2: 95:[93, 19, 107] Operation: 23+84=107 Moving to Node #0,1 Current State: 95:[23, 19, 9], Operations: ['93-84=9'] Exploring Operation: 19-9=10, Resulting Numbers: [23, 10] Generated Node #0,1,0: 95:[23, 10] Operation: 19-9=10 Exploring Operation: 23-9=14, Resulting Numbers: [19, 14] Generated Node #0,1,1: 95:[19, 14] Operation: 23-9=14 Exploring Operation: 23-19=4, Resulting Numbers: [9, 4] Generated Node #0,1,2: 95:[9, 4] Operation: 23-19=4 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 95:[19, 14], Operations: ['93-84=9', '23-9=14'] Exploring Operation: 19*14=266, Resulting Numbers: [266] 266,95 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,95 unequal: No Solution No 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: 95:[9, 4], Operations: ['93-84=9', '23-19=4'] Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,95 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,95 unequal: No Solution No 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: 95:[23, 10], Operations: ['93-84=9', '19-9=10'] Exploring Operation: 23*10=230, Resulting Numbers: [230] 230,95 unequal: No Solution Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,95 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: 95:[84, 93, 4], Operations: ['23-19=4'] Exploring Operation: 84/4=21, Resulting Numbers: [93, 21] Generated Node #0,0,0: 95:[93, 21] Operation: 84/4=21 Exploring Operation: 93-84=9, Resulting Numbers: [4, 9] Generated Node #0,0,1: 95:[4, 9] Operation: 93-84=9 Exploring Operation: 84+4=88, Resulting Numbers: [93, 88] Generated Node #0,0,2: 95:[93, 88] Operation: 84+4=88 Moving to Node #0,2 Current State: 95:[93, 19, 107], Operations: ['23+84=107'] Exploring Operation: 107-19=88, Resulting Numbers: [93, 88] Generated Node #0,2,0: 95:[93, 88] Operation: 107-19=88 Exploring Operation: 107-93=14, Resulting Numbers: [19, 14] Generated Node #0,2,1: 95:[19, 14] Operation: 107-93=14 Exploring Operation: 93+19=112, Resulting Numbers: [107, 112] Generated Node #0,2,2: 95:[107, 112] Operation: 93+19=112 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 95:[19, 14], Operations: ['23+84=107', '107-93=14'] Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,95 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 19*14=266, Resulting Numbers: [266] 266,95 unequal: No Solution No 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: 95:[93, 88], Operations: ['23+84=107', '107-19=88'] Exploring Operation: 93+88=181, Resulting Numbers: [181] 181,95 unequal: No Solution Exploring Operation: 93*88=8184, Resulting Numbers: [8184] 8184,95 unequal: No Solution Exploring Operation: 93-88=5, Resulting Numbers: [5] 5,95 unequal: No Solution No 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: 95:[107, 112], Operations: ['23+84=107', '93+19=112'] Exploring Operation: 112-107=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 107*112=11984, Resulting Numbers: [11984] 11984,95 unequal: No Solution Exploring Operation: 107+112=219, Resulting Numbers: [219] 219,95 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: 95:[93, 21], Operations: ['23-19=4', '84/4=21'] Exploring Operation: 93*21=1953, Resulting Numbers: [1953] 1953,95 unequal: No Solution Exploring Operation: 93+21=114, Resulting Numbers: [114] 114,95 unequal: No Solution Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[4, 9], Operations: ['23-19=4', '93-84=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,95 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,95 unequal: No Solution Moving to Node #0,0,2 Current State: 95:[93, 88], Operations: ['23-19=4', '84+4=88'] Exploring Operation: 93+88=181, Resulting Numbers: [181] 181,95 unequal: No Solution Exploring Operation: 93-88=5, Resulting Numbers: [5] 5,95 unequal: No Solution Exploring Operation: 93*88=8184, Resulting Numbers: [8184] 8184,95 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 72, 72, 23, 35 ]
35
[ "72-72=0", "23*0=0", "35+0=35" ]
Current State: 35:[72, 72, 23, 35], Operations: [] Exploring Operation: 72-72=0, Resulting Numbers: [23, 35, 0] Generated Node #2: [23, 35, 0] from Operation: 72-72=0 Current State: 35:[23, 35, 0], Operations: ['72-72=0'] Exploring Operation: 23*0=0, Resulting Numbers: [35, 0] Generated Node #3: [35, 0] from Operation: 23*0=0 Current State: 35:[35, 0], Operations: ['72-72=0', '23*0=0'] Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[72, 72, 23, 35], Operations: [] Exploring Operation: 72/72=1, Resulting Numbers: [23, 35, 1] Generated Node #0,0: 35:[23, 35, 1] Operation: 72/72=1 Exploring Operation: 72-72=0, Resulting Numbers: [23, 35, 0] Generated Node #0,1: 35:[23, 35, 0] Operation: 72-72=0 Moving to Node #0,0 Current State: 35:[23, 35, 1], Operations: ['72/72=1'] Exploring Operation: 23+1=24, Resulting Numbers: [35, 24] Generated Node #0,0,0: 35:[35, 24] Operation: 23+1=24 Exploring Operation: 35-23=12, Resulting Numbers: [1, 12] Generated Node #0,0,1: 35:[1, 12] Operation: 35-23=12 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[1, 12], Operations: ['72/72=1', '35-23=12'] Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 12-1=11, Resulting Numbers: [11] 11,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[35, 24], Operations: ['72/72=1', '23+1=24'] Exploring Operation: 35+24=59, Resulting Numbers: [59] 59,35 unequal: No Solution Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,35 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: 35:[23, 35, 0], Operations: ['72-72=0'] Exploring Operation: 23*0=0, Resulting Numbers: [35, 0] Generated Node #0,1,0: 35:[35, 0] Operation: 23*0=0 Exploring Operation: 35-23=12, Resulting Numbers: [0, 12] Generated Node #0,1,1: 35:[0, 12] Operation: 35-23=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[35, 0], Operations: ['72-72=0', '23*0=0'] Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[72, 72, 23, 35], Operations: [] Exploring Operation: 72-72=0, Resulting Numbers: [23, 35, 0] Generated Node #0,1: 35:[23, 35, 0] Operation: 72-72=0 Moving to Node #0,1 Current State: 35:[23, 35, 0], Operations: ['72-72=0'] Exploring Operation: 23*0=0, Resulting Numbers: [35, 0] Generated Node #0,1,0: 35:[35, 0] Operation: 23*0=0 Moving to Node #0,1,0 Current State: 35:[35, 0], Operations: ['72-72=0', '23*0=0'] Exploring Operation: 35+0=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 86, 32, 17, 35 ]
18
[ "32*17=544", "86+544=630", "630/35=18" ]
Current State: 18:[86, 32, 17, 35], Operations: [] Exploring Operation: 32*17=544, Resulting Numbers: [86, 35, 544] Generated Node #2: [86, 35, 544] from Operation: 32*17=544 Current State: 18:[86, 35, 544], Operations: ['32*17=544'] Exploring Operation: 86+544=630, Resulting Numbers: [35, 630] Generated Node #3: [35, 630] from Operation: 86+544=630 Current State: 18:[35, 630], Operations: ['32*17=544', '86+544=630'] Exploring Operation: 630/35=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[86, 32, 17, 35], Operations: [] Exploring Operation: 35-32=3, Resulting Numbers: [86, 17, 3] Generated Node #0,0: 18:[86, 17, 3] Operation: 35-32=3 Exploring Operation: 86-32=54, Resulting Numbers: [17, 35, 54] Generated Node #0,1: 18:[17, 35, 54] Operation: 86-32=54 Exploring Operation: 86-35=51, Resulting Numbers: [32, 17, 51] Generated Node #0,2: 18:[32, 17, 51] Operation: 86-35=51 Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[32, 17, 51], Operations: ['86-35=51'] Exploring Operation: 51/17=3, Resulting Numbers: [32, 3] Generated Node #0,2,0: 18:[32, 3] Operation: 51/17=3 Exploring Operation: 51-17=34, Resulting Numbers: [32, 34] Generated Node #0,2,1: 18:[32, 34] Operation: 51-17=34 Exploring Operation: 51-32=19, Resulting Numbers: [17, 19] Generated Node #0,2,2: 18:[17, 19] Operation: 51-32=19 Moving to Node #0,2,2 Current State: 18:[17, 19], Operations: ['86-35=51', '51-32=19'] Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,18 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[32, 3], Operations: ['86-35=51', '51/17=3'] Exploring Operation: 32*3=96, Resulting Numbers: [96] 96,18 unequal: No Solution Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,18 unequal: No Solution Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[32, 34], Operations: ['86-35=51', '51-17=34'] Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 32+34=66, Resulting Numbers: [66] 66,18 unequal: No Solution Exploring Operation: 32*34=1088, Resulting Numbers: [1088] 1088,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[17, 35, 54], Operations: ['86-32=54'] Exploring Operation: 54-35=19, Resulting Numbers: [17, 19] Generated Node #0,1,0: 18:[17, 19] Operation: 54-35=19 Exploring Operation: 35-17=18, Resulting Numbers: [54, 18] Generated Node #0,1,1: 18:[54, 18] Operation: 35-17=18 Exploring Operation: 54-17=37, Resulting Numbers: [35, 37] Generated Node #0,1,2: 18:[35, 37] Operation: 54-17=37 Moving to Node #0,1,0 Current State: 18:[17, 19], Operations: ['86-32=54', '54-35=19'] Exploring Operation: 17+19=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 17*19=323, Resulting Numbers: [323] 323,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[54, 18], Operations: ['86-32=54', '35-17=18'] Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,18 unequal: No Solution Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,18 unequal: No Solution Exploring Operation: 54+18=72, Resulting Numbers: [72] 72,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[35, 37], Operations: ['86-32=54', '54-17=37'] Exploring Operation: 35*37=1295, Resulting Numbers: [1295] 1295,18 unequal: No Solution Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,18 unequal: No Solution Exploring Operation: 35+37=72, Resulting Numbers: [72] 72,18 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:[86, 17, 3], Operations: ['35-32=3'] Exploring Operation: 86-3=83, Resulting Numbers: [17, 83] Generated Node #0,0,0: 18:[17, 83] Operation: 86-3=83 Exploring Operation: 17+3=20, Resulting Numbers: [86, 20] Generated Node #0,0,1: 18:[86, 20] Operation: 17+3=20 Exploring Operation: 86-17=69, Resulting Numbers: [3, 69] Generated Node #0,0,2: 18:[3, 69] Operation: 86-17=69 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 18:[3, 69], Operations: ['35-32=3', '86-17=69'] Exploring Operation: 69-3=66, Resulting Numbers: [66] 66,18 unequal: No Solution Exploring Operation: 3+69=72, Resulting Numbers: [72] 72,18 unequal: No Solution Exploring Operation: 69/3=23, Resulting Numbers: [23] 23,18 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:[17, 83], Operations: ['35-32=3', '86-3=83'] Exploring Operation: 83-17=66, Resulting Numbers: [66] 66,18 unequal: No Solution Exploring Operation: 17*83=1411, Resulting Numbers: [1411] 1411,18 unequal: No Solution Exploring Operation: 17+83=100, Resulting Numbers: [100] 100,18 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:[86, 20], Operations: ['35-32=3', '17+3=20'] Exploring Operation: 86-20=66, Resulting Numbers: [66] 66,18 unequal: No Solution Exploring Operation: 86+20=106, Resulting Numbers: [106] 106,18 unequal: No Solution Exploring Operation: 86*20=1720, Resulting Numbers: [1720] 1720,18 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
[ 83, 93, 65, 68 ]
13
[ "93-83=10", "68-65=3", "10+3=13" ]
Current State: 13:[83, 93, 65, 68], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [65, 68, 10] Generated Node #2: [65, 68, 10] from Operation: 93-83=10 Current State: 13:[65, 68, 10], Operations: ['93-83=10'] Exploring Operation: 68-65=3, Resulting Numbers: [10, 3] Generated Node #3: [10, 3] from Operation: 68-65=3 Current State: 13:[10, 3], Operations: ['93-83=10', '68-65=3'] Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[83, 93, 65, 68], Operations: [] Exploring Operation: 83-68=15, Resulting Numbers: [93, 65, 15] Generated Node #0,0: 13:[93, 65, 15] Operation: 83-68=15 Exploring Operation: 93-68=25, Resulting Numbers: [83, 65, 25] Generated Node #0,1: 13:[83, 65, 25] Operation: 93-68=25 Exploring Operation: 93-83=10, Resulting Numbers: [65, 68, 10] Generated Node #0,2: 13:[65, 68, 10] Operation: 93-83=10 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[65, 68, 10], Operations: ['93-83=10'] Exploring Operation: 65-10=55, Resulting Numbers: [68, 55] Generated Node #0,2,0: 13:[68, 55] Operation: 65-10=55 Exploring Operation: 68-65=3, Resulting Numbers: [10, 3] Generated Node #0,2,1: 13:[10, 3] Operation: 68-65=3 Exploring Operation: 68-10=58, Resulting Numbers: [65, 58] Generated Node #0,2,2: 13:[65, 58] Operation: 68-10=58 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 13:[10, 3], Operations: ['93-83=10', '68-65=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[83, 93, 65, 68], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [65, 68, 10] Generated Node #0,2: 13:[65, 68, 10] Operation: 93-83=10 Moving to Node #0,2 Current State: 13:[65, 68, 10], Operations: ['93-83=10'] Exploring Operation: 68-65=3, Resulting Numbers: [10, 3] Generated Node #0,2,1: 13:[10, 3] Operation: 68-65=3 Moving to Node #0,2,1 Current State: 13:[10, 3], Operations: ['93-83=10', '68-65=3'] Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 29, 62, 86, 2 ]
19
[ "86-62=24", "2*24=48", "48-29=19" ]
Current State: 19:[29, 62, 86, 2], Operations: [] Exploring Operation: 86-62=24, Resulting Numbers: [29, 2, 24] Generated Node #2: [29, 2, 24] from Operation: 86-62=24 Current State: 19:[29, 2, 24], Operations: ['86-62=24'] Exploring Operation: 2*24=48, Resulting Numbers: [29, 48] Generated Node #3: [29, 48] from Operation: 2*24=48 Current State: 19:[29, 48], Operations: ['86-62=24', '2*24=48'] Exploring Operation: 48-29=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[29, 62, 86, 2], Operations: [] Exploring Operation: 86-62=24, Resulting Numbers: [29, 2, 24] Generated Node #0,0: 19:[29, 2, 24] Operation: 86-62=24 Exploring Operation: 62-29=33, Resulting Numbers: [86, 2, 33] Generated Node #0,1: 19:[86, 2, 33] Operation: 62-29=33 Exploring Operation: 62/2=31, Resulting Numbers: [29, 86, 31] Generated Node #0,2: 19:[29, 86, 31] Operation: 62/2=31 Exploring Operation: 86/2=43, Resulting Numbers: [29, 62, 43] Generated Node #0,3: 19:[29, 62, 43] Operation: 86/2=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[29, 2, 24], Operations: ['86-62=24'] Exploring Operation: 2+24=26, Resulting Numbers: [29, 26] Generated Node #0,0,0: 19:[29, 26] Operation: 2+24=26 Exploring Operation: 24-2=22, Resulting Numbers: [29, 22] Generated Node #0,0,1: 19:[29, 22] Operation: 24-2=22 Exploring Operation: 29+2=31, Resulting Numbers: [24, 31] Generated Node #0,0,2: 19:[24, 31] Operation: 29+2=31 Exploring Operation: 29-2=27, Resulting Numbers: [24, 27] Generated Node #0,0,3: 19:[24, 27] Operation: 29-2=27 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[29, 22], Operations: ['86-62=24', '24-2=22'] Exploring Operation: 29-22=7, Resulting Numbers: [7] 7,19 unequal: No Solution Exploring Operation: 29+22=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 29*22=638, Resulting Numbers: [638] 638,19 unequal: No Solution No 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: 19:[24, 27], Operations: ['86-62=24', '29-2=27'] Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,19 unequal: No Solution No 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: 19:[29, 26], Operations: ['86-62=24', '2+24=26'] Exploring Operation: 29+26=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,19 unequal: No Solution Exploring Operation: 29*26=754, Resulting Numbers: [754] 754,19 unequal: No Solution No 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: 19:[24, 31], Operations: ['86-62=24', '29+2=31'] Exploring Operation: 24+31=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,19 unequal: No Solution Exploring Operation: 24*31=744, Resulting Numbers: [744] 744,19 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: 19:[29, 62, 43], Operations: ['86/2=43'] Exploring Operation: 43-29=14, Resulting Numbers: [62, 14] Generated Node #0,3,0: 19:[62, 14] Operation: 43-29=14 Exploring Operation: 62-29=33, Resulting Numbers: [43, 33] Generated Node #0,3,1: 19:[43, 33] Operation: 62-29=33 Exploring Operation: 62-43=19, Resulting Numbers: [29, 19] Generated Node #0,3,2: 19:[29, 19] Operation: 62-43=19 Exploring Operation: 29+62=91, Resulting Numbers: [43, 91] Generated Node #0,3,3: 19:[43, 91] Operation: 29+62=91 Moving to Node #0,3,2 Current State: 19:[29, 19], Operations: ['86/2=43', '62-43=19'] Exploring Operation: 29-19=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 29*19=551, Resulting Numbers: [551] 551,19 unequal: No Solution Exploring Operation: 29+19=48, Resulting Numbers: [48] 48,19 unequal: No Solution Moving to Node #0,3,1 Current State: 19:[43, 33], Operations: ['86/2=43', '62-29=33'] Exploring Operation: 43*33=1419, Resulting Numbers: [1419] 1419,19 unequal: No Solution Exploring Operation: 43+33=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,19 unequal: No Solution Moving to Node #0,3,0 Current State: 19:[62, 14], Operations: ['86/2=43', '43-29=14'] Exploring Operation: 62*14=868, Resulting Numbers: [868] 868,19 unequal: No Solution Exploring Operation: 62-14=48, Resulting Numbers: [48] 48,19 unequal: No Solution Exploring Operation: 62+14=76, Resulting Numbers: [76] 76,19 unequal: No Solution Moving to Node #0,3,3 Current State: 19:[43, 91], Operations: ['86/2=43', '29+62=91'] Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,19 unequal: No Solution Exploring Operation: 43*91=3913, Resulting Numbers: [3913] 3913,19 unequal: No Solution Exploring Operation: 43+91=134, Resulting Numbers: [134] 134,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[29, 86, 31], Operations: ['62/2=31'] Exploring Operation: 86-31=55, Resulting Numbers: [29, 55] Generated Node #0,2,0: 19:[29, 55] Operation: 86-31=55 Exploring Operation: 31-29=2, Resulting Numbers: [86, 2] Generated Node #0,2,1: 19:[86, 2] Operation: 31-29=2 Exploring Operation: 86-29=57, Resulting Numbers: [31, 57] Generated Node #0,2,2: 19:[31, 57] Operation: 86-29=57 Exploring Operation: 29+86=115, Resulting Numbers: [31, 115] Generated Node #0,2,3: 19:[31, 115] Operation: 29+86=115 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 19:[29, 55], Operations: ['62/2=31', '86-31=55'] Exploring Operation: 29+55=84, Resulting Numbers: [84] 84,19 unequal: No Solution Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,19 unequal: No Solution Exploring Operation: 29*55=1595, Resulting Numbers: [1595] 1595,19 unequal: No Solution No 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: 19:[31, 57], Operations: ['62/2=31', '86-29=57'] Exploring Operation: 31*57=1767, Resulting Numbers: [1767] 1767,19 unequal: No Solution Exploring Operation: 31+57=88, Resulting Numbers: [88] 88,19 unequal: No Solution Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 19:[86, 2], Operations: ['62/2=31', '31-29=2'] Exploring Operation: 86*2=172, Resulting Numbers: [172] 172,19 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,19 unequal: No Solution Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,19 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,19 unequal: No Solution No 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: 19:[31, 115], Operations: ['62/2=31', '29+86=115'] Exploring Operation: 31*115=3565, Resulting Numbers: [3565] 3565,19 unequal: No Solution Exploring Operation: 31+115=146, Resulting Numbers: [146] 146,19 unequal: No Solution Exploring Operation: 115-31=84, Resulting Numbers: [84] 84,19 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: 19:[86, 2, 33], Operations: ['62-29=33'] Exploring Operation: 33-2=31, Resulting Numbers: [86, 31] Generated Node #0,1,0: 19:[86, 31] Operation: 33-2=31 Exploring Operation: 86-33=53, Resulting Numbers: [2, 53] Generated Node #0,1,1: 19:[2, 53] Operation: 86-33=53 Exploring Operation: 86-2=84, Resulting Numbers: [33, 84] Generated Node #0,1,2: 19:[33, 84] Operation: 86-2=84 Exploring Operation: 86/2=43, Resulting Numbers: [33, 43] Generated Node #0,1,3: 19:[33, 43] Operation: 86/2=43 Moving to Node #0,1,3 Current State: 19:[33, 43], Operations: ['62-29=33', '86/2=43'] Exploring Operation: 43-33=10, Resulting Numbers: [10] 10,19 unequal: No Solution Exploring Operation: 33+43=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 33*43=1419, Resulting Numbers: [1419] 1419,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[2, 53], Operations: ['62-29=33', '86-33=53'] Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[33, 84], Operations: ['62-29=33', '86-2=84'] Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,19 unequal: No Solution Exploring Operation: 33*84=2772, Resulting Numbers: [2772] 2772,19 unequal: No Solution Exploring Operation: 33+84=117, Resulting Numbers: [117] 117,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[86, 31], Operations: ['62-29=33', '33-2=31'] Exploring Operation: 86+31=117, Resulting Numbers: [117] 117,19 unequal: No Solution Exploring Operation: 86-31=55, Resulting Numbers: [55] 55,19 unequal: No Solution Exploring Operation: 86*31=2666, Resulting Numbers: [2666] 2666,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 93, 40, 47, 94 ]
86
[ "93+40=133", "94-47=47", "133-47=86" ]
Current State: 86:[93, 40, 47, 94], Operations: [] Exploring Operation: 93+40=133, Resulting Numbers: [47, 94, 133] Generated Node #2: [47, 94, 133] from Operation: 93+40=133 Current State: 86:[47, 94, 133], Operations: ['93+40=133'] Exploring Operation: 94-47=47, Resulting Numbers: [133, 47] Generated Node #3: [133, 47] from Operation: 94-47=47 Current State: 86:[133, 47], Operations: ['93+40=133', '94-47=47'] Exploring Operation: 133-47=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[93, 40, 47, 94], Operations: [] Exploring Operation: 93-47=46, Resulting Numbers: [40, 94, 46] Generated Node #0,0: 86:[40, 94, 46] Operation: 93-47=46 Exploring Operation: 94/47=2, Resulting Numbers: [93, 40, 2] Generated Node #0,1: 86:[93, 40, 2] Operation: 94/47=2 Exploring Operation: 94-93=1, Resulting Numbers: [40, 47, 1] Generated Node #0,2: 86:[40, 47, 1] Operation: 94-93=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[40, 47, 1], Operations: ['94-93=1'] Exploring Operation: 47-40=7, Resulting Numbers: [1, 7] Generated Node #0,2,0: 86:[1, 7] Operation: 47-40=7 Exploring Operation: 40+1=41, Resulting Numbers: [47, 41] Generated Node #0,2,1: 86:[47, 41] Operation: 40+1=41 Exploring Operation: 40+47=87, Resulting Numbers: [1, 87] Generated Node #0,2,2: 86:[1, 87] Operation: 40+47=87 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 86:[1, 87], Operations: ['94-93=1', '40+47=87'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[93, 40, 47, 94], Operations: [] Exploring Operation: 94-93=1, Resulting Numbers: [40, 47, 1] Generated Node #0,2: 86:[40, 47, 1] Operation: 94-93=1 Moving to Node #0,2 Current State: 86:[40, 47, 1], Operations: ['94-93=1'] Exploring Operation: 40+47=87, Resulting Numbers: [1, 87] Generated Node #0,2,2: 86:[1, 87] Operation: 40+47=87 Moving to Node #0,2,2 Current State: 86:[1, 87], Operations: ['94-93=1', '40+47=87'] Exploring Operation: 87-1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 5, 35, 84, 74 ]
85
[ "84-74=10", "5*10=50", "35+50=85" ]
Current State: 85:[5, 35, 84, 74], Operations: [] Exploring Operation: 84-74=10, Resulting Numbers: [5, 35, 10] Generated Node #2: [5, 35, 10] from Operation: 84-74=10 Current State: 85:[5, 35, 10], Operations: ['84-74=10'] Exploring Operation: 5*10=50, Resulting Numbers: [35, 50] Generated Node #3: [35, 50] from Operation: 5*10=50 Current State: 85:[35, 50], Operations: ['84-74=10', '5*10=50'] Exploring Operation: 35+50=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[5, 35, 84, 74], Operations: [] Exploring Operation: 74-35=39, Resulting Numbers: [5, 84, 39] Generated Node #0,0: 85:[5, 84, 39] Operation: 74-35=39 Exploring Operation: 35/5=7, Resulting Numbers: [84, 74, 7] Generated Node #0,1: 85:[84, 74, 7] Operation: 35/5=7 Moving to Node #0,1 Current State: 85:[84, 74, 7], Operations: ['35/5=7'] Exploring Operation: 74+7=81, Resulting Numbers: [84, 81] Generated Node #0,1,0: 85:[84, 81] Operation: 74+7=81 Exploring Operation: 84-74=10, Resulting Numbers: [7, 10] Generated Node #0,1,1: 85:[7, 10] Operation: 84-74=10 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[84, 81], Operations: ['35/5=7', '74+7=81'] Exploring Operation: 84+81=165, Resulting Numbers: [165] 165,85 unequal: No Solution Exploring Operation: 84-81=3, Resulting Numbers: [3] 3,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[7, 10], Operations: ['35/5=7', '84-74=10'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,85 unequal: No Solution Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,85 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: 85:[5, 84, 39], Operations: ['74-35=39'] Exploring Operation: 39-5=34, Resulting Numbers: [84, 34] Generated Node #0,0,0: 85:[84, 34] Operation: 39-5=34 Exploring Operation: 5+84=89, Resulting Numbers: [39, 89] Generated Node #0,0,1: 85:[39, 89] Operation: 5+84=89 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[84, 34], Operations: ['74-35=39', '39-5=34'] Exploring Operation: 84-34=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 84+34=118, Resulting Numbers: [118] 118,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 85:[39, 89], Operations: ['74-35=39', '5+84=89'] Exploring Operation: 89-39=50, Resulting Numbers: [50] 50,85 unequal: No Solution Exploring Operation: 39+89=128, Resulting Numbers: [128] 128,85 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
[ 34, 47, 79, 26 ]
66
[ "47-34=13", "79-26=53", "13+53=66" ]
Current State: 66:[34, 47, 79, 26], Operations: [] Exploring Operation: 47-34=13, Resulting Numbers: [79, 26, 13] Generated Node #2: [79, 26, 13] from Operation: 47-34=13 Current State: 66:[79, 26, 13], Operations: ['47-34=13'] Exploring Operation: 79-26=53, Resulting Numbers: [13, 53] Generated Node #3: [13, 53] from Operation: 79-26=53 Current State: 66:[13, 53], Operations: ['47-34=13', '79-26=53'] Exploring Operation: 13+53=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[34, 47, 79, 26], Operations: [] Exploring Operation: 47-26=21, Resulting Numbers: [34, 79, 21] Generated Node #0,0: 66:[34, 79, 21] Operation: 47-26=21 Exploring Operation: 79-47=32, Resulting Numbers: [34, 26, 32] Generated Node #0,1: 66:[34, 26, 32] Operation: 79-47=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[34, 26, 32], Operations: ['79-47=32'] Exploring Operation: 34-26=8, Resulting Numbers: [32, 8] Generated Node #0,1,0: 66:[32, 8] Operation: 34-26=8 Exploring Operation: 32-26=6, Resulting Numbers: [34, 6] Generated Node #0,1,1: 66:[34, 6] Operation: 32-26=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 66:[34, 6], Operations: ['79-47=32', '32-26=6'] Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,66 unequal: No Solution Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[32, 8], Operations: ['79-47=32', '34-26=8'] Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[34, 79, 21], Operations: ['47-26=21'] Exploring Operation: 79-34=45, Resulting Numbers: [21, 45] Generated Node #0,0,0: 66:[21, 45] Operation: 79-34=45 Exploring Operation: 79-21=58, Resulting Numbers: [34, 58] Generated Node #0,0,1: 66:[34, 58] Operation: 79-21=58 Moving to Node #0,0,1 Current State: 66:[34, 58], Operations: ['47-26=21', '79-21=58'] Exploring Operation: 58-34=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 34+58=92, Resulting Numbers: [92] 92,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[21, 45], Operations: ['47-26=21', '79-34=45'] Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,66 unequal: No Solution Exploring Operation: 21+45=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[34, 47, 79, 26], Operations: [] Exploring Operation: 47-26=21, Resulting Numbers: [34, 79, 21] Generated Node #0,0: 66:[34, 79, 21] Operation: 47-26=21 Moving to Node #0,0 Current State: 66:[34, 79, 21], Operations: ['47-26=21'] Exploring Operation: 79-34=45, Resulting Numbers: [21, 45] Generated Node #0,0,0: 66:[21, 45] Operation: 79-34=45 Moving to Node #0,0,0 Current State: 66:[21, 45], Operations: ['47-26=21', '79-34=45'] Exploring Operation: 21+45=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 29, 44, 92, 15 ]
62
[ "44-29=15", "92-15=77", "77-15=62" ]
Current State: 62:[29, 44, 92, 15], Operations: [] Exploring Operation: 44-29=15, Resulting Numbers: [92, 15, 15] Generated Node #2: [92, 15, 15] from Operation: 44-29=15 Current State: 62:[92, 15, 15], Operations: ['44-29=15'] Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,62 equal: Goal Reached Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[29, 44, 92, 15], Operations: [] Exploring Operation: 44+15=59, Resulting Numbers: [29, 92, 59] Generated Node #0,0: 62:[29, 92, 59] Operation: 44+15=59 Exploring Operation: 92-44=48, Resulting Numbers: [29, 15, 48] Generated Node #0,1: 62:[29, 15, 48] Operation: 92-44=48 Exploring Operation: 92-15=77, Resulting Numbers: [29, 44, 77] Generated Node #0,2: 62:[29, 44, 77] Operation: 92-15=77 Exploring Operation: 44-15=29, Resulting Numbers: [29, 92, 29] Generated Node #0,3: 62:[29, 92, 29] Operation: 44-15=29 Exploring Operation: 92-29=63, Resulting Numbers: [44, 15, 63] Generated Node #0,4: 62:[44, 15, 63] Operation: 92-29=63 Moving to Node #0,4 Current State: 62:[44, 15, 63], Operations: ['92-29=63'] Exploring Operation: 44+15=59, Resulting Numbers: [63, 59] Generated Node #0,4,0: 62:[63, 59] Operation: 44+15=59 Exploring Operation: 44-15=29, Resulting Numbers: [63, 29] Generated Node #0,4,1: 62:[63, 29] Operation: 44-15=29 Exploring Operation: 63-15=48, Resulting Numbers: [44, 48] Generated Node #0,4,2: 62:[44, 48] Operation: 63-15=48 Exploring Operation: 15+63=78, Resulting Numbers: [44, 78] Generated Node #0,4,3: 62:[44, 78] Operation: 15+63=78 Exploring Operation: 63-44=19, Resulting Numbers: [15, 19] Generated Node #0,4,4: 62:[15, 19] Operation: 63-44=19 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 62:[63, 29], Operations: ['92-29=63', '44-15=29'] Exploring Operation: 63*29=1827, Resulting Numbers: [1827] 1827,62 unequal: No Solution Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 63+29=92, Resulting Numbers: [92] 92,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 62:[63, 59], Operations: ['92-29=63', '44+15=59'] Exploring Operation: 63+59=122, Resulting Numbers: [122] 122,62 unequal: No Solution Exploring Operation: 63-59=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 63*59=3717, Resulting Numbers: [3717] 3717,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 62:[15, 19], Operations: ['92-29=63', '63-44=19'] Exploring Operation: 15+19=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 15*19=285, Resulting Numbers: [285] 285,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 62:[44, 48], Operations: ['92-29=63', '63-15=48'] Exploring Operation: 44+48=92, Resulting Numbers: [92] 92,62 unequal: No Solution Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 44*48=2112, Resulting Numbers: [2112] 2112,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 62:[44, 78], Operations: ['92-29=63', '15+63=78'] Exploring Operation: 44+78=122, Resulting Numbers: [122] 122,62 unequal: No Solution Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 44*78=3432, Resulting Numbers: [3432] 3432,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 62:[29, 15, 48], Operations: ['92-44=48'] Exploring Operation: 48-15=33, Resulting Numbers: [29, 33] Generated Node #0,1,0: 62:[29, 33] Operation: 48-15=33 Exploring Operation: 29-15=14, Resulting Numbers: [48, 14] Generated Node #0,1,1: 62:[48, 14] Operation: 29-15=14 Exploring Operation: 29+15=44, Resulting Numbers: [48, 44] Generated Node #0,1,2: 62:[48, 44] Operation: 29+15=44 Exploring Operation: 15+48=63, Resulting Numbers: [29, 63] Generated Node #0,1,3: 62:[29, 63] Operation: 15+48=63 Exploring Operation: 48-29=19, Resulting Numbers: [15, 19] Generated Node #0,1,4: 62:[15, 19] Operation: 48-29=19 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 62:[29, 63], Operations: ['92-44=48', '15+48=63'] Exploring Operation: 63-29=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 29*63=1827, Resulting Numbers: [1827] 1827,62 unequal: No Solution Exploring Operation: 29+63=92, Resulting Numbers: [92] 92,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[29, 33], Operations: ['92-44=48', '48-15=33'] Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[29, 44, 92, 15], Operations: [] Exploring Operation: 92-44=48, Resulting Numbers: [29, 15, 48] Generated Node #0,1: 62:[29, 15, 48] Operation: 92-44=48 Moving to Node #0,1 Current State: 62:[29, 15, 48], Operations: ['92-44=48'] Exploring Operation: 48-15=33, Resulting Numbers: [29, 33] Generated Node #0,1,0: 62:[29, 33] Operation: 48-15=33 Moving to Node #0,1,0 Current State: 62:[29, 33], Operations: ['92-44=48', '48-15=33'] Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_5
mult_heuristic
[ 93, 62, 6, 98 ]
73
[ "93-62=31", "6+98=104", "104-31=73" ]
Current State: 73:[93, 62, 6, 98], Operations: [] Exploring Operation: 93-62=31, Resulting Numbers: [6, 98, 31] Generated Node #2: [6, 98, 31] from Operation: 93-62=31 Current State: 73:[6, 98, 31], Operations: ['93-62=31'] Exploring Operation: 6+98=104, Resulting Numbers: [31, 104] Generated Node #3: [31, 104] from Operation: 6+98=104 Current State: 73:[31, 104], Operations: ['93-62=31', '6+98=104'] Exploring Operation: 104-31=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[93, 62, 6, 98], Operations: [] Exploring Operation: 93+6=99, Resulting Numbers: [62, 98, 99] Generated Node #0,0: 73:[62, 98, 99] Operation: 93+6=99 Exploring Operation: 93-6=87, Resulting Numbers: [62, 98, 87] Generated Node #0,1: 73:[62, 98, 87] Operation: 93-6=87 Exploring Operation: 98-6=92, Resulting Numbers: [93, 62, 92] Generated Node #0,2: 73:[93, 62, 92] Operation: 98-6=92 Exploring Operation: 62+6=68, Resulting Numbers: [93, 98, 68] Generated Node #0,3: 73:[93, 98, 68] Operation: 62+6=68 Moving to Node #0,1 Current State: 73:[62, 98, 87], Operations: ['93-6=87'] Exploring Operation: 87-62=25, Resulting Numbers: [98, 25] Generated Node #0,1,0: 73:[98, 25] Operation: 87-62=25 Exploring Operation: 98-87=11, Resulting Numbers: [62, 11] Generated Node #0,1,1: 73:[62, 11] Operation: 98-87=11 Exploring Operation: 98-62=36, Resulting Numbers: [87, 36] Generated Node #0,1,2: 73:[87, 36] Operation: 98-62=36 Exploring Operation: 62+98=160, Resulting Numbers: [87, 160] Generated Node #0,1,3: 73:[87, 160] Operation: 62+98=160 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[87, 36], Operations: ['93-6=87', '98-62=36'] Exploring Operation: 87*36=3132, Resulting Numbers: [3132] 3132,73 unequal: No Solution Exploring Operation: 87+36=123, Resulting Numbers: [123] 123,73 unequal: No Solution Exploring Operation: 87-36=51, Resulting Numbers: [51] 51,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[98, 25], Operations: ['93-6=87', '87-62=25'] Exploring Operation: 98-25=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[93, 62, 6, 98], Operations: [] Exploring Operation: 93-6=87, Resulting Numbers: [62, 98, 87] Generated Node #0,1: 73:[62, 98, 87] Operation: 93-6=87 Moving to Node #0,1 Current State: 73:[62, 98, 87], Operations: ['93-6=87'] Exploring Operation: 87-62=25, Resulting Numbers: [98, 25] Generated Node #0,1,0: 73:[98, 25] Operation: 87-62=25 Moving to Node #0,1,0 Current State: 73:[98, 25], Operations: ['93-6=87', '87-62=25'] Exploring Operation: 98-25=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 53, 92, 26, 41 ]
13
[ "92-53=39", "41-39=2", "26/2=13" ]
Current State: 13:[53, 92, 26, 41], Operations: [] Exploring Operation: 92-53=39, Resulting Numbers: [26, 41, 39] Generated Node #2: [26, 41, 39] from Operation: 92-53=39 Current State: 13:[26, 41, 39], Operations: ['92-53=39'] Exploring Operation: 41-39=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 41-39=2 Current State: 13:[26, 2], Operations: ['92-53=39', '41-39=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[53, 92, 26, 41], Operations: [] Exploring Operation: 92-53=39, Resulting Numbers: [26, 41, 39] Generated Node #0,0: 13:[26, 41, 39] Operation: 92-53=39 Moving to Node #0,0 Current State: 13:[26, 41, 39], Operations: ['92-53=39'] Exploring Operation: 41-39=2, Resulting Numbers: [26, 2] Generated Node #0,0,0: 13:[26, 2] Operation: 41-39=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[26, 2], Operations: ['92-53=39', '41-39=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[53, 92, 26, 41], Operations: [] Exploring Operation: 92-53=39, Resulting Numbers: [26, 41, 39] Generated Node #0,0: 13:[26, 41, 39] Operation: 92-53=39 Moving to Node #0,0 Current State: 13:[26, 41, 39], Operations: ['92-53=39'] Exploring Operation: 41-39=2, Resulting Numbers: [26, 2] Generated Node #0,0,0: 13:[26, 2] Operation: 41-39=2 Moving to Node #0,0,0 Current State: 13:[26, 2], Operations: ['92-53=39', '41-39=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 13, 4, 22, 64 ]
100
[ "22-13=9", "4*9=36", "64+36=100" ]
Current State: 100:[13, 4, 22, 64], Operations: [] Exploring Operation: 22-13=9, Resulting Numbers: [4, 64, 9] Generated Node #2: [4, 64, 9] from Operation: 22-13=9 Current State: 100:[4, 64, 9], Operations: ['22-13=9'] Exploring Operation: 4*9=36, Resulting Numbers: [64, 36] Generated Node #3: [64, 36] from Operation: 4*9=36 Current State: 100:[64, 36], Operations: ['22-13=9', '4*9=36'] Exploring Operation: 64+36=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[13, 4, 22, 64], Operations: [] Exploring Operation: 64-13=51, Resulting Numbers: [4, 22, 51] Generated Node #0,0: 100:[4, 22, 51] Operation: 64-13=51 Moving to Node #0,0 Current State: 100:[4, 22, 51], Operations: ['64-13=51'] Exploring Operation: 4+22=26, Resulting Numbers: [51, 26] Generated Node #0,0,0: 100:[51, 26] Operation: 4+22=26 Moving to Node #0,0,0 Current State: 100:[51, 26], Operations: ['64-13=51', '4+22=26'] Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,100 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 49, 14, 58, 81 ]
58
[ "49-14=35", "81-58=23", "35+23=58" ]
Current State: 58:[49, 14, 58, 81], Operations: [] Exploring Operation: 49-14=35, Resulting Numbers: [58, 81, 35] Generated Node #2: [58, 81, 35] from Operation: 49-14=35 Current State: 58:[58, 81, 35], Operations: ['49-14=35'] Exploring Operation: 81-58=23, Resulting Numbers: [35, 23] Generated Node #3: [35, 23] from Operation: 81-58=23 Current State: 58:[35, 23], Operations: ['49-14=35', '81-58=23'] Exploring Operation: 35+23=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[49, 14, 58, 81], Operations: [] Exploring Operation: 81-49=32, Resulting Numbers: [14, 58, 32] Generated Node #0,0: 58:[14, 58, 32] Operation: 81-49=32 Exploring Operation: 81-58=23, Resulting Numbers: [49, 14, 23] Generated Node #0,1: 58:[49, 14, 23] Operation: 81-58=23 Exploring Operation: 49+14=63, Resulting Numbers: [58, 81, 63] Generated Node #0,2: 58:[58, 81, 63] Operation: 49+14=63 Exploring Operation: 81-14=67, Resulting Numbers: [49, 58, 67] Generated Node #0,3: 58:[49, 58, 67] Operation: 81-14=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[14, 58, 32], Operations: ['81-49=32'] Exploring Operation: 32-14=18, Resulting Numbers: [58, 18] Generated Node #0,0,0: 58:[58, 18] Operation: 32-14=18 Exploring Operation: 14+58=72, Resulting Numbers: [32, 72] Generated Node #0,0,1: 58:[32, 72] Operation: 14+58=72 Exploring Operation: 14+32=46, Resulting Numbers: [58, 46] Generated Node #0,0,2: 58:[58, 46] Operation: 14+32=46 Exploring Operation: 58-32=26, Resulting Numbers: [14, 26] Generated Node #0,0,3: 58:[14, 26] Operation: 58-32=26 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 58:[58, 18], Operations: ['81-49=32', '32-14=18'] Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,58 unequal: No Solution Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,58 unequal: No Solution No 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: 58:[58, 46], Operations: ['81-49=32', '14+32=46'] Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,58 unequal: No Solution Exploring Operation: 58+46=104, Resulting Numbers: [104] 104,58 unequal: No Solution Exploring Operation: 58*46=2668, Resulting Numbers: [2668] 2668,58 unequal: No Solution No 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: 58:[14, 26], Operations: ['81-49=32', '58-32=26'] Exploring Operation: 14*26=364, Resulting Numbers: [364] 364,58 unequal: No Solution Exploring Operation: 26-14=12, Resulting Numbers: [12] 12,58 unequal: No Solution Exploring Operation: 14+26=40, Resulting Numbers: [40] 40,58 unequal: No Solution No 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: 58:[32, 72], Operations: ['81-49=32', '14+58=72'] Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 32+72=104, Resulting Numbers: [104] 104,58 unequal: No Solution Exploring Operation: 32*72=2304, Resulting Numbers: [2304] 2304,58 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: 58:[49, 58, 67], Operations: ['81-14=67'] Exploring Operation: 67-49=18, Resulting Numbers: [58, 18] Generated Node #0,3,0: 58:[58, 18] Operation: 67-49=18 Exploring Operation: 49+58=107, Resulting Numbers: [67, 107] Generated Node #0,3,1: 58:[67, 107] Operation: 49+58=107 Exploring Operation: 58-49=9, Resulting Numbers: [67, 9] Generated Node #0,3,2: 58:[67, 9] Operation: 58-49=9 Exploring Operation: 67-58=9, Resulting Numbers: [49, 9] Generated Node #0,3,3: 58:[49, 9] Operation: 67-58=9 Moving to Node #0,3,0 Current State: 58:[58, 18], Operations: ['81-14=67', '67-49=18'] Exploring Operation: 58*18=1044, Resulting Numbers: [1044] 1044,58 unequal: No Solution Exploring Operation: 58+18=76, Resulting Numbers: [76] 76,58 unequal: No Solution Exploring Operation: 58-18=40, Resulting Numbers: [40] 40,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[49, 9], Operations: ['81-14=67', '67-58=9'] Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 49*9=441, Resulting Numbers: [441] 441,58 unequal: No Solution Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[49, 14, 58, 81], Operations: [] Exploring Operation: 81-14=67, Resulting Numbers: [49, 58, 67] Generated Node #0,3: 58:[49, 58, 67] Operation: 81-14=67 Moving to Node #0,3 Current State: 58:[49, 58, 67], Operations: ['81-14=67'] Exploring Operation: 67-58=9, Resulting Numbers: [49, 9] Generated Node #0,3,3: 58:[49, 9] Operation: 67-58=9 Moving to Node #0,3,3 Current State: 58:[49, 9], Operations: ['81-14=67', '67-58=9'] Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
mult_heuristic
[ 38, 61, 60, 28 ]
67
[ "38+61=99", "60-28=32", "99-32=67" ]
Current State: 67:[38, 61, 60, 28], Operations: [] Exploring Operation: 38+61=99, Resulting Numbers: [60, 28, 99] Generated Node #2: [60, 28, 99] from Operation: 38+61=99 Current State: 67:[60, 28, 99], Operations: ['38+61=99'] Exploring Operation: 60-28=32, Resulting Numbers: [99, 32] Generated Node #3: [99, 32] from Operation: 60-28=32 Current State: 67:[99, 32], Operations: ['38+61=99', '60-28=32'] Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[38, 61, 60, 28], Operations: [] Exploring Operation: 60+28=88, Resulting Numbers: [38, 61, 88] Generated Node #0,0: 67:[38, 61, 88] Operation: 60+28=88 Exploring Operation: 38+28=66, Resulting Numbers: [61, 60, 66] Generated Node #0,1: 67:[61, 60, 66] Operation: 38+28=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[61, 60, 66], Operations: ['38+28=66'] Exploring Operation: 61+60=121, Resulting Numbers: [66, 121] Generated Node #0,1,0: 67:[66, 121] Operation: 61+60=121 Exploring Operation: 60+66=126, Resulting Numbers: [61, 126] Generated Node #0,1,1: 67:[61, 126] Operation: 60+66=126 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[66, 121], Operations: ['38+28=66', '61+60=121'] Exploring Operation: 121-66=55, Resulting Numbers: [55] 55,67 unequal: No Solution Exploring Operation: 66+121=187, Resulting Numbers: [187] 187,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 67:[61, 126], Operations: ['38+28=66', '60+66=126'] Exploring Operation: 126-61=65, Resulting Numbers: [65] 65,67 unequal: No Solution Exploring Operation: 61+126=187, Resulting Numbers: [187] 187,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[38, 61, 88], Operations: ['60+28=88'] Exploring Operation: 88-38=50, Resulting Numbers: [61, 50] Generated Node #0,0,0: 67:[61, 50] Operation: 88-38=50 Exploring Operation: 38+61=99, Resulting Numbers: [88, 99] Generated Node #0,0,1: 67:[88, 99] Operation: 38+61=99 Moving to Node #0,0,0 Current State: 67:[61, 50], Operations: ['60+28=88', '88-38=50'] Exploring Operation: 61-50=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 61+50=111, Resulting Numbers: [111] 111,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[88, 99], Operations: ['60+28=88', '38+61=99'] Exploring Operation: 99-88=11, Resulting Numbers: [11] 11,67 unequal: No Solution Exploring Operation: 88+99=187, Resulting Numbers: [187] 187,67 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
[ 38, 51, 94, 29 ]
43
[ "51+94=145", "145/29=5", "38+5=43" ]
Current State: 43:[38, 51, 94, 29], Operations: [] Exploring Operation: 51+94=145, Resulting Numbers: [38, 29, 145] Generated Node #2: [38, 29, 145] from Operation: 51+94=145 Current State: 43:[38, 29, 145], Operations: ['51+94=145'] Exploring Operation: 145/29=5, Resulting Numbers: [38, 5] Generated Node #3: [38, 5] from Operation: 145/29=5 Current State: 43:[38, 5], Operations: ['51+94=145', '145/29=5'] Exploring Operation: 38+5=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[38, 51, 94, 29], Operations: [] Exploring Operation: 94-38=56, Resulting Numbers: [51, 29, 56] Generated Node #0,0: 43:[51, 29, 56] Operation: 94-38=56 Exploring Operation: 94-51=43, Resulting Numbers: [38, 29, 43] Generated Node #0,1: 43:[38, 29, 43] Operation: 94-51=43 Start Sub Search at level 1: Moving to Node #0,1 Current State: 43:[38, 29, 43], Operations: ['94-51=43'] Exploring Operation: 38+29=67, Resulting Numbers: [43, 67] Generated Node #0,1,0: 43:[43, 67] Operation: 38+29=67 Exploring Operation: 38-29=9, Resulting Numbers: [43, 9] Generated Node #0,1,1: 43:[43, 9] Operation: 38-29=9 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[43, 67], Operations: ['94-51=43', '38+29=67'] Exploring Operation: 43+67=110, Resulting Numbers: [110] 110,43 unequal: No Solution Exploring Operation: 67-43=24, Resulting Numbers: [24] 24,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 43:[43, 9], Operations: ['94-51=43', '38-29=9'] Exploring Operation: 43+9=52, Resulting Numbers: [52] 52,43 unequal: No Solution Exploring Operation: 43-9=34, Resulting Numbers: [34] 34,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[51, 29, 56], Operations: ['94-38=56'] Exploring Operation: 56-29=27, Resulting Numbers: [51, 27] Generated Node #0,0,0: 43:[51, 27] Operation: 56-29=27 Exploring Operation: 51-29=22, Resulting Numbers: [56, 22] Generated Node #0,0,1: 43:[56, 22] Operation: 51-29=22 Moving to Node #0,0,0 Current State: 43:[51, 27], Operations: ['94-38=56', '56-29=27'] Exploring Operation: 51+27=78, Resulting Numbers: [78] 78,43 unequal: No Solution Exploring Operation: 51-27=24, Resulting Numbers: [24] 24,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[56, 22], Operations: ['94-38=56', '51-29=22'] Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,43 unequal: No Solution Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,43 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
[ 56, 87, 26, 25 ]
31
[ "87-56=31", "26-25=1", "31*1=31" ]
Current State: 31:[56, 87, 26, 25], Operations: [] Exploring Operation: 87-56=31, Resulting Numbers: [26, 25, 31] Generated Node #2: [26, 25, 31] from Operation: 87-56=31 Current State: 31:[26, 25, 31], Operations: ['87-56=31'] Exploring Operation: 26-25=1, Resulting Numbers: [31, 1] Generated Node #3: [31, 1] from Operation: 26-25=1 Current State: 31:[31, 1], Operations: ['87-56=31', '26-25=1'] Exploring Operation: 31*1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[56, 87, 26, 25], Operations: [] Exploring Operation: 56-25=31, Resulting Numbers: [87, 26, 31] Generated Node #0,0: 31:[87, 26, 31] Operation: 56-25=31 Exploring Operation: 87-26=61, Resulting Numbers: [56, 25, 61] Generated Node #0,1: 31:[56, 25, 61] Operation: 87-26=61 Exploring Operation: 87-56=31, Resulting Numbers: [26, 25, 31] Generated Node #0,2: 31:[26, 25, 31] Operation: 87-56=31 Exploring Operation: 87-25=62, Resulting Numbers: [56, 26, 62] Generated Node #0,3: 31:[56, 26, 62] Operation: 87-25=62 Exploring Operation: 56-26=30, Resulting Numbers: [87, 25, 30] Generated Node #0,4: 31:[87, 25, 30] Operation: 56-26=30 Moving to Node #0,2 Current State: 31:[26, 25, 31], Operations: ['87-56=31'] Exploring Operation: 26-25=1, Resulting Numbers: [31, 1] Generated Node #0,2,0: 31:[31, 1] Operation: 26-25=1 Exploring Operation: 31-25=6, Resulting Numbers: [26, 6] Generated Node #0,2,1: 31:[26, 6] Operation: 31-25=6 Exploring Operation: 26+25=51, Resulting Numbers: [31, 51] Generated Node #0,2,2: 31:[31, 51] Operation: 26+25=51 Exploring Operation: 26+31=57, Resulting Numbers: [25, 57] Generated Node #0,2,3: 31:[25, 57] Operation: 26+31=57 Exploring Operation: 25+31=56, Resulting Numbers: [26, 56] Generated Node #0,2,4: 31:[26, 56] Operation: 25+31=56 Moving to Node #0,1 Current State: 31:[56, 25, 61], Operations: ['87-26=61'] Exploring Operation: 61-25=36, Resulting Numbers: [56, 36] Generated Node #0,1,0: 31:[56, 36] Operation: 61-25=36 Exploring Operation: 25+61=86, Resulting Numbers: [56, 86] Generated Node #0,1,1: 31:[56, 86] Operation: 25+61=86 Exploring Operation: 56-25=31, Resulting Numbers: [61, 31] Generated Node #0,1,2: 31:[61, 31] Operation: 56-25=31 Exploring Operation: 56+25=81, Resulting Numbers: [61, 81] Generated Node #0,1,3: 31:[61, 81] Operation: 56+25=81 Exploring Operation: 61-56=5, Resulting Numbers: [25, 5] Generated Node #0,1,4: 31:[25, 5] Operation: 61-56=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[56, 36], Operations: ['87-26=61', '61-25=36'] Exploring Operation: 56*36=2016, Resulting Numbers: [2016] 2016,31 unequal: No Solution Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,31 unequal: No Solution Exploring Operation: 56+36=92, Resulting Numbers: [92] 92,31 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 #0,1,2 Current State: 31:[61, 31], Operations: ['87-26=61', '56-25=31'] Exploring Operation: 61+31=92, Resulting Numbers: [92] 92,31 unequal: No Solution Exploring Operation: 61*31=1891, Resulting Numbers: [1891] 1891,31 unequal: No Solution Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,31 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 #0,1,4 Current State: 31:[25, 5], Operations: ['87-26=61', '61-56=5'] Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,31 unequal: No Solution Exploring Operation: 25*5=125, Resulting Numbers: [125] 125,31 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,31 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,31 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 #0,1,1 Current State: 31:[56, 86], Operations: ['87-26=61', '25+61=86'] Exploring Operation: 56+86=142, Resulting Numbers: [142] 142,31 unequal: No Solution Exploring Operation: 56*86=4816, Resulting Numbers: [4816] 4816,31 unequal: No Solution Exploring Operation: 86-56=30, Resulting Numbers: [30] 30,31 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 #0,1,3 Current State: 31:[61, 81], Operations: ['87-26=61', '56+25=81'] Exploring Operation: 61+81=142, Resulting Numbers: [142] 142,31 unequal: No Solution Exploring Operation: 61*81=4941, Resulting Numbers: [4941] 4941,31 unequal: No Solution Exploring Operation: 81-61=20, Resulting Numbers: [20] 20,31 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: 31:[87, 26, 31], Operations: ['56-25=31'] Exploring Operation: 31-26=5, Resulting Numbers: [87, 5] Generated Node #0,0,0: 31:[87, 5] Operation: 31-26=5 Exploring Operation: 87-26=61, Resulting Numbers: [31, 61] Generated Node #0,0,1: 31:[31, 61] Operation: 87-26=61 Exploring Operation: 87+26=113, Resulting Numbers: [31, 113] Generated Node #0,0,2: 31:[31, 113] Operation: 87+26=113 Exploring Operation: 26+31=57, Resulting Numbers: [87, 57] Generated Node #0,0,3: 31:[87, 57] Operation: 26+31=57 Exploring Operation: 87-31=56, Resulting Numbers: [26, 56] Generated Node #0,0,4: 31:[26, 56] Operation: 87-31=56 Moving to Node #0,3 Current State: 31:[56, 26, 62], Operations: ['87-25=62'] Exploring Operation: 56+26=82, Resulting Numbers: [62, 82] Generated Node #0,3,0: 31:[62, 82] Operation: 56+26=82 Exploring Operation: 56-26=30, Resulting Numbers: [62, 30] Generated Node #0,3,1: 31:[62, 30] Operation: 56-26=30 Exploring Operation: 62-56=6, Resulting Numbers: [26, 6] Generated Node #0,3,2: 31:[26, 6] Operation: 62-56=6 Exploring Operation: 26+62=88, Resulting Numbers: [56, 88] Generated Node #0,3,3: 31:[56, 88] Operation: 26+62=88 Exploring Operation: 62-26=36, Resulting Numbers: [56, 36] Generated Node #0,3,4: 31:[56, 36] Operation: 62-26=36 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 31:[26, 6], Operations: ['87-25=62', '62-56=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,31 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,31 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 31:[56, 36], Operations: ['87-25=62', '62-26=36'] Exploring Operation: 56-36=20, Resulting Numbers: [20] 20,31 unequal: No Solution Exploring Operation: 56*36=2016, Resulting Numbers: [2016] 2016,31 unequal: No Solution Exploring Operation: 56+36=92, Resulting Numbers: [92] 92,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 31:[62, 30], Operations: ['87-25=62', '56-26=30'] Exploring Operation: 62*30=1860, Resulting Numbers: [1860] 1860,31 unequal: No Solution Exploring Operation: 62+30=92, Resulting Numbers: [92] 92,31 unequal: No Solution Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 31:[62, 82], Operations: ['87-25=62', '56+26=82'] Exploring Operation: 62*82=5084, Resulting Numbers: [5084] 5084,31 unequal: No Solution Exploring Operation: 62+82=144, Resulting Numbers: [144] 144,31 unequal: No Solution Exploring Operation: 82-62=20, Resulting Numbers: [20] 20,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 31:[56, 88], Operations: ['87-25=62', '26+62=88'] Exploring Operation: 56+88=144, Resulting Numbers: [144] 144,31 unequal: No Solution Exploring Operation: 88-56=32, Resulting Numbers: [32] 32,31 unequal: No Solution Exploring Operation: 56*88=4928, Resulting Numbers: [4928] 4928,31 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: 31:[87, 25, 30], Operations: ['56-26=30'] Exploring Operation: 30-25=5, Resulting Numbers: [87, 5] Generated Node #0,4,0: 31:[87, 5] Operation: 30-25=5 Exploring Operation: 87+25=112, Resulting Numbers: [30, 112] Generated Node #0,4,1: 31:[30, 112] Operation: 87+25=112 Exploring Operation: 87-30=57, Resulting Numbers: [25, 57] Generated Node #0,4,2: 31:[25, 57] Operation: 87-30=57 Exploring Operation: 25+30=55, Resulting Numbers: [87, 55] Generated Node #0,4,3: 31:[87, 55] Operation: 25+30=55 Exploring Operation: 87-25=62, Resulting Numbers: [30, 62] Generated Node #0,4,4: 31:[30, 62] Operation: 87-25=62 Moving to Node #0,2,2 Current State: 31:[31, 51], Operations: ['87-56=31', '26+25=51'] Exploring Operation: 31*51=1581, Resulting Numbers: [1581] 1581,31 unequal: No Solution Exploring Operation: 51-31=20, Resulting Numbers: [20] 20,31 unequal: No Solution Exploring Operation: 31+51=82, Resulting Numbers: [82] 82,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[26, 6], Operations: ['87-56=31', '31-25=6'] Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,31 unequal: No Solution Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,31 unequal: No Solution Exploring Operation: 26*6=156, Resulting Numbers: [156] 156,31 unequal: No Solution Moving to Node #0,0,4 Current State: 31:[26, 56], Operations: ['56-25=31', '87-31=56'] Exploring Operation: 26*56=1456, Resulting Numbers: [1456] 1456,31 unequal: No Solution Exploring Operation: 56-26=30, Resulting Numbers: [30] 30,31 unequal: No Solution Exploring Operation: 26+56=82, Resulting Numbers: [82] 82,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[31, 61], Operations: ['56-25=31', '87-26=61'] Exploring Operation: 31*61=1891, Resulting Numbers: [1891] 1891,31 unequal: No Solution Exploring Operation: 61-31=30, Resulting Numbers: [30] 30,31 unequal: No Solution Exploring Operation: 31+61=92, Resulting Numbers: [92] 92,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[31, 1], Operations: ['87-56=31', '26-25=1'] Exploring Operation: 31-1=30, Resulting Numbers: [30] 30,31 unequal: No Solution Exploring Operation: 31+1=32, Resulting Numbers: [32] 32,31 unequal: No Solution Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[56, 87, 26, 25], Operations: [] Exploring Operation: 87-56=31, Resulting Numbers: [26, 25, 31] Generated Node #0,2: 31:[26, 25, 31] Operation: 87-56=31 Moving to Node #0,2 Current State: 31:[26, 25, 31], Operations: ['87-56=31'] Exploring Operation: 26-25=1, Resulting Numbers: [31, 1] Generated Node #0,2,0: 31:[31, 1] Operation: 26-25=1 Moving to Node #0,2,0 Current State: 31:[31, 1], Operations: ['87-56=31', '26-25=1'] Exploring Operation: 31/1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
0.930556
hs_5
mult_heuristic
[ 62, 13, 35, 66 ]
80
[ "62-13=49", "66-35=31", "49+31=80" ]
Current State: 80:[62, 13, 35, 66], Operations: [] Exploring Operation: 62-13=49, Resulting Numbers: [35, 66, 49] Generated Node #2: [35, 66, 49] from Operation: 62-13=49 Current State: 80:[35, 66, 49], Operations: ['62-13=49'] Exploring Operation: 66-35=31, Resulting Numbers: [49, 31] Generated Node #3: [49, 31] from Operation: 66-35=31 Current State: 80:[49, 31], Operations: ['62-13=49', '66-35=31'] Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[62, 13, 35, 66], Operations: [] Exploring Operation: 66-62=4, Resulting Numbers: [13, 35, 4] Generated Node #0,0: 80:[13, 35, 4] Operation: 66-62=4 Moving to Node #0,0 Current State: 80:[13, 35, 4], Operations: ['66-62=4'] Exploring Operation: 35-13=22, Resulting Numbers: [4, 22] Generated Node #0,0,0: 80:[4, 22] Operation: 35-13=22 Moving to Node #0,0,0 Current State: 80:[4, 22], Operations: ['66-62=4', '35-13=22'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,80 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 7, 44, 57, 92 ]
15
[ "57-44=13", "92+13=105", "105/7=15" ]
Current State: 15:[7, 44, 57, 92], Operations: [] Exploring Operation: 57-44=13, Resulting Numbers: [7, 92, 13] Generated Node #2: [7, 92, 13] from Operation: 57-44=13 Current State: 15:[7, 92, 13], Operations: ['57-44=13'] Exploring Operation: 92+13=105, Resulting Numbers: [7, 105] Generated Node #3: [7, 105] from Operation: 92+13=105 Current State: 15:[7, 105], Operations: ['57-44=13', '92+13=105'] Exploring Operation: 105/7=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[7, 44, 57, 92], Operations: [] Exploring Operation: 92-57=35, Resulting Numbers: [7, 44, 35] Generated Node #0,0: 15:[7, 44, 35] Operation: 92-57=35 Exploring Operation: 92-44=48, Resulting Numbers: [7, 57, 48] Generated Node #0,1: 15:[7, 57, 48] Operation: 92-44=48 Moving to Node #0,0 Current State: 15:[7, 44, 35], Operations: ['92-57=35'] Exploring Operation: 44-35=9, Resulting Numbers: [7, 9] Generated Node #0,0,0: 15:[7, 9] Operation: 44-35=9 Exploring Operation: 35/7=5, Resulting Numbers: [44, 5] Generated Node #0,0,1: 15:[44, 5] Operation: 35/7=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[7, 9], Operations: ['92-57=35', '44-35=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 15:[44, 5], Operations: ['92-57=35', '35/7=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,15 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 15:[7, 57, 48], Operations: ['92-44=48'] Exploring Operation: 57-7=50, Resulting Numbers: [48, 50] Generated Node #0,1,0: 15:[48, 50] Operation: 57-7=50 Exploring Operation: 57-48=9, Resulting Numbers: [7, 9] Generated Node #0,1,1: 15:[7, 9] Operation: 57-48=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 15:[7, 9], Operations: ['92-44=48', '57-48=9'] Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 15:[48, 50], Operations: ['92-44=48', '57-7=50'] Exploring Operation: 50-48=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 48+50=98, Resulting Numbers: [98] 98,15 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
[ 94, 20, 52, 10 ]
54
[ "94+52=146", "20*10=200", "200-146=54" ]
Current State: 54:[94, 20, 52, 10], Operations: [] Exploring Operation: 94+52=146, Resulting Numbers: [20, 10, 146] Generated Node #2: [20, 10, 146] from Operation: 94+52=146 Current State: 54:[20, 10, 146], Operations: ['94+52=146'] Exploring Operation: 20*10=200, Resulting Numbers: [146, 200] Generated Node #3: [146, 200] from Operation: 20*10=200 Current State: 54:[146, 200], Operations: ['94+52=146', '20*10=200'] Exploring Operation: 200-146=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[94, 20, 52, 10], Operations: [] Exploring Operation: 20/10=2, Resulting Numbers: [94, 52, 2] Generated Node #0,0: 54:[94, 52, 2] Operation: 20/10=2 Exploring Operation: 94-10=84, Resulting Numbers: [20, 52, 84] Generated Node #0,1: 54:[20, 52, 84] Operation: 94-10=84 Exploring Operation: 94-52=42, Resulting Numbers: [20, 10, 42] Generated Node #0,2: 54:[20, 10, 42] Operation: 94-52=42 Exploring Operation: 94-20=74, Resulting Numbers: [52, 10, 74] Generated Node #0,3: 54:[52, 10, 74] Operation: 94-20=74 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[20, 10, 42], Operations: ['94-52=42'] Exploring Operation: 10+42=52, Resulting Numbers: [20, 52] Generated Node #0,2,0: 54:[20, 52] Operation: 10+42=52 Exploring Operation: 20+42=62, Resulting Numbers: [10, 62] Generated Node #0,2,1: 54:[10, 62] Operation: 20+42=62 Exploring Operation: 42-10=32, Resulting Numbers: [20, 32] Generated Node #0,2,2: 54:[20, 32] Operation: 42-10=32 Exploring Operation: 42-20=22, Resulting Numbers: [10, 22] Generated Node #0,2,3: 54:[10, 22] Operation: 42-20=22 Moving to Node #0,2,0 Current State: 54:[20, 52], Operations: ['94-52=42', '10+42=52'] Exploring Operation: 20+52=72, Resulting Numbers: [72] 72,54 unequal: No Solution Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,54 unequal: No Solution Exploring Operation: 20*52=1040, Resulting Numbers: [1040] 1040,54 unequal: No Solution Moving to Node #0,2,3 Current State: 54:[10, 22], Operations: ['94-52=42', '42-20=22'] Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,54 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 10*22=220, Resulting Numbers: [220] 220,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[20, 32], Operations: ['94-52=42', '42-10=32'] Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,54 unequal: No Solution Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,54 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,54 unequal: No Solution Moving to Node #0,2,1 Current State: 54:[10, 62], Operations: ['94-52=42', '20+42=62'] Exploring Operation: 62-10=52, Resulting Numbers: [52] 52,54 unequal: No Solution Exploring Operation: 10*62=620, Resulting Numbers: [620] 620,54 unequal: No Solution Exploring Operation: 10+62=72, Resulting Numbers: [72] 72,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[52, 10, 74], Operations: ['94-20=74'] Exploring Operation: 74-10=64, Resulting Numbers: [52, 64] Generated Node #0,3,0: 54:[52, 64] Operation: 74-10=64 Exploring Operation: 74-52=22, Resulting Numbers: [10, 22] Generated Node #0,3,1: 54:[10, 22] Operation: 74-52=22 Exploring Operation: 52-10=42, Resulting Numbers: [74, 42] Generated Node #0,3,2: 54:[74, 42] Operation: 52-10=42 Exploring Operation: 52+10=62, Resulting Numbers: [74, 62] Generated Node #0,3,3: 54:[74, 62] Operation: 52+10=62 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 54:[10, 22], Operations: ['94-20=74', '74-52=22'] Exploring Operation: 10+22=32, Resulting Numbers: [32] 32,54 unequal: No Solution Exploring Operation: 22-10=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 10*22=220, Resulting Numbers: [220] 220,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 54:[52, 64], Operations: ['94-20=74', '74-10=64'] Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 52+64=116, Resulting Numbers: [116] 116,54 unequal: No Solution Exploring Operation: 52*64=3328, Resulting Numbers: [3328] 3328,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 54:[74, 62], Operations: ['94-20=74', '52+10=62'] Exploring Operation: 74*62=4588, Resulting Numbers: [4588] 4588,54 unequal: No Solution Exploring Operation: 74+62=136, Resulting Numbers: [136] 136,54 unequal: No Solution Exploring Operation: 74-62=12, Resulting Numbers: [12] 12,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 54:[74, 42], Operations: ['94-20=74', '52-10=42'] Exploring Operation: 74*42=3108, Resulting Numbers: [3108] 3108,54 unequal: No Solution Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,54 unequal: No Solution Exploring Operation: 74+42=116, Resulting Numbers: [116] 116,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[20, 52, 84], Operations: ['94-10=84'] Exploring Operation: 52-20=32, Resulting Numbers: [84, 32] Generated Node #0,1,0: 54:[84, 32] Operation: 52-20=32 Exploring Operation: 84-20=64, Resulting Numbers: [52, 64] Generated Node #0,1,1: 54:[52, 64] Operation: 84-20=64 Exploring Operation: 20+52=72, Resulting Numbers: [84, 72] Generated Node #0,1,2: 54:[84, 72] Operation: 20+52=72 Exploring Operation: 84-52=32, Resulting Numbers: [20, 32] Generated Node #0,1,3: 54:[20, 32] Operation: 84-52=32 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 54:[20, 32], Operations: ['94-10=84', '84-52=32'] Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,54 unequal: No Solution Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[52, 64], Operations: ['94-10=84', '84-20=64'] Exploring Operation: 52*64=3328, Resulting Numbers: [3328] 3328,54 unequal: No Solution Exploring Operation: 64-52=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 52+64=116, Resulting Numbers: [116] 116,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[84, 32], Operations: ['94-10=84', '52-20=32'] Exploring Operation: 84-32=52, Resulting Numbers: [52] 52,54 unequal: No Solution Exploring Operation: 84*32=2688, Resulting Numbers: [2688] 2688,54 unequal: No Solution Exploring Operation: 84+32=116, Resulting Numbers: [116] 116,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[84, 72], Operations: ['94-10=84', '20+52=72'] Exploring Operation: 84*72=6048, Resulting Numbers: [6048] 6048,54 unequal: No Solution Exploring Operation: 84+72=156, Resulting Numbers: [156] 156,54 unequal: No Solution Exploring Operation: 84-72=12, Resulting Numbers: [12] 12,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[94, 52, 2], Operations: ['20/10=2'] Exploring Operation: 52+2=54, Resulting Numbers: [94, 54] Generated Node #0,0,0: 54:[94, 54] Operation: 52+2=54 Exploring Operation: 94-2=92, Resulting Numbers: [52, 92] Generated Node #0,0,1: 54:[52, 92] Operation: 94-2=92 Exploring Operation: 94/2=47, Resulting Numbers: [52, 47] Generated Node #0,0,2: 54:[52, 47] Operation: 94/2=47 Exploring Operation: 94-52=42, Resulting Numbers: [2, 42] Generated Node #0,0,3: 54:[2, 42] Operation: 94-52=42 Moving to Node #0,0,2 Current State: 54:[52, 47], Operations: ['20/10=2', '94/2=47'] Exploring Operation: 52*47=2444, Resulting Numbers: [2444] 2444,54 unequal: No Solution Exploring Operation: 52+47=99, Resulting Numbers: [99] 99,54 unequal: No Solution Exploring Operation: 52-47=5, Resulting Numbers: [5] 5,54 unequal: No Solution Moving to Node #0,0,3 Current State: 54:[2, 42], Operations: ['20/10=2', '94-52=42'] Exploring Operation: 2*42=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,54 unequal: No Solution Exploring Operation: 2+42=44, Resulting Numbers: [44] 44,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[52, 92], Operations: ['20/10=2', '94-2=92'] Exploring Operation: 52*92=4784, Resulting Numbers: [4784] 4784,54 unequal: No Solution Exploring Operation: 52+92=144, Resulting Numbers: [144] 144,54 unequal: No Solution Exploring Operation: 92-52=40, Resulting Numbers: [40] 40,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[94, 54], Operations: ['20/10=2', '52+2=54'] Exploring Operation: 94-54=40, Resulting Numbers: [40] 40,54 unequal: No Solution Exploring Operation: 94+54=148, Resulting Numbers: [148] 148,54 unequal: No Solution Exploring Operation: 94*54=5076, Resulting Numbers: [5076] 5076,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 4, 79, 8, 10 ]
93
[ "79-4=75", "8+10=18", "75+18=93" ]
Current State: 93:[4, 79, 8, 10], Operations: [] Exploring Operation: 79-4=75, Resulting Numbers: [8, 10, 75] Generated Node #2: [8, 10, 75] from Operation: 79-4=75 Current State: 93:[8, 10, 75], Operations: ['79-4=75'] Exploring Operation: 8+10=18, Resulting Numbers: [75, 18] Generated Node #3: [75, 18] from Operation: 8+10=18 Current State: 93:[75, 18], Operations: ['79-4=75', '8+10=18'] Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[4, 79, 8, 10], Operations: [] Exploring Operation: 10-8=2, Resulting Numbers: [4, 79, 2] Generated Node #0,0: 93:[4, 79, 2] Operation: 10-8=2 Exploring Operation: 79+10=89, Resulting Numbers: [4, 8, 89] Generated Node #0,1: 93:[4, 8, 89] Operation: 79+10=89 Exploring Operation: 79+8=87, Resulting Numbers: [4, 10, 87] Generated Node #0,2: 93:[4, 10, 87] Operation: 79+8=87 Exploring Operation: 4+79=83, Resulting Numbers: [8, 10, 83] Generated Node #0,3: 93:[8, 10, 83] Operation: 4+79=83 Exploring Operation: 4*8=32, Resulting Numbers: [79, 10, 32] Generated Node #0,4: 93:[79, 10, 32] Operation: 4*8=32 Moving to Node #0,1 Current State: 93:[4, 8, 89], Operations: ['79+10=89'] Exploring Operation: 4*8=32, Resulting Numbers: [89, 32] Generated Node #0,1,0: 93:[89, 32] Operation: 4*8=32 Exploring Operation: 8-4=4, Resulting Numbers: [89, 4] Generated Node #0,1,1: 93:[89, 4] Operation: 8-4=4 Exploring Operation: 8+89=97, Resulting Numbers: [4, 97] Generated Node #0,1,2: 93:[4, 97] Operation: 8+89=97 Exploring Operation: 8/4=2, Resulting Numbers: [89, 2] Generated Node #0,1,3: 93:[89, 2] Operation: 8/4=2 Exploring Operation: 4+89=93, Resulting Numbers: [8, 93] Generated Node #0,1,4: 93:[8, 93] Operation: 4+89=93 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[89, 32], Operations: ['79+10=89', '4*8=32'] Exploring Operation: 89*32=2848, Resulting Numbers: [2848] 2848,93 unequal: No Solution Exploring Operation: 89+32=121, Resulting Numbers: [121] 121,93 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[89, 4], Operations: ['79+10=89', '8-4=4'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,93 unequal: No Solution Exploring Operation: 89*4=356, Resulting Numbers: [356] 356,93 unequal: No Solution Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[4, 79, 8, 10], Operations: [] Exploring Operation: 79+10=89, Resulting Numbers: [4, 8, 89] Generated Node #0,1: 93:[4, 8, 89] Operation: 79+10=89 Moving to Node #0,1 Current State: 93:[4, 8, 89], Operations: ['79+10=89'] Exploring Operation: 8-4=4, Resulting Numbers: [89, 4] Generated Node #0,1,1: 93:[89, 4] Operation: 8-4=4 Moving to Node #0,1,1 Current State: 93:[89, 4], Operations: ['79+10=89', '8-4=4'] Exploring Operation: 89+4=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 56, 60, 42, 21 ]
50
[ "56-21=35", "60*35=2100", "2100/42=50" ]
Current State: 50:[56, 60, 42, 21], Operations: [] Exploring Operation: 56-21=35, Resulting Numbers: [60, 42, 35] Generated Node #2: [60, 42, 35] from Operation: 56-21=35 Current State: 50:[60, 42, 35], Operations: ['56-21=35'] Exploring Operation: 60*35=2100, Resulting Numbers: [42, 2100] Generated Node #3: [42, 2100] from Operation: 60*35=2100 Current State: 50:[42, 2100], Operations: ['56-21=35', '60*35=2100'] Exploring Operation: 2100/42=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[56, 60, 42, 21], Operations: [] Exploring Operation: 56-42=14, Resulting Numbers: [60, 21, 14] Generated Node #0,0: 50:[60, 21, 14] Operation: 56-42=14 Exploring Operation: 60-56=4, Resulting Numbers: [42, 21, 4] Generated Node #0,1: 50:[42, 21, 4] Operation: 60-56=4 Exploring Operation: 42/21=2, Resulting Numbers: [56, 60, 2] Generated Node #0,2: 50:[56, 60, 2] Operation: 42/21=2 Exploring Operation: 60-42=18, Resulting Numbers: [56, 21, 18] Generated Node #0,3: 50:[56, 21, 18] Operation: 60-42=18 Moving to Node #0,1 Current State: 50:[42, 21, 4], Operations: ['60-56=4'] Exploring Operation: 42/21=2, Resulting Numbers: [4, 2] Generated Node #0,1,0: 50:[4, 2] Operation: 42/21=2 Exploring Operation: 42+4=46, Resulting Numbers: [21, 46] Generated Node #0,1,1: 50:[21, 46] Operation: 42+4=46 Exploring Operation: 42-21=21, Resulting Numbers: [4, 21] Generated Node #0,1,2: 50:[4, 21] Operation: 42-21=21 Exploring Operation: 21+4=25, Resulting Numbers: [42, 25] Generated Node #0,1,3: 50:[42, 25] Operation: 21+4=25 Moving to Node #0,2 Current State: 50:[56, 60, 2], Operations: ['42/21=2'] Exploring Operation: 60-56=4, Resulting Numbers: [2, 4] Generated Node #0,2,0: 50:[2, 4] Operation: 60-56=4 Exploring Operation: 56/2=28, Resulting Numbers: [60, 28] Generated Node #0,2,1: 50:[60, 28] Operation: 56/2=28 Exploring Operation: 56-2=54, Resulting Numbers: [60, 54] Generated Node #0,2,2: 50:[60, 54] Operation: 56-2=54 Exploring Operation: 60/2=30, Resulting Numbers: [56, 30] Generated Node #0,2,3: 50:[56, 30] Operation: 60/2=30 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 50:[2, 4], Operations: ['42/21=2', '60-56=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,50 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,50 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 #0,2,3 Current State: 50:[56, 30], Operations: ['42/21=2', '60/2=30'] Exploring Operation: 56*30=1680, Resulting Numbers: [1680] 1680,50 unequal: No Solution Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,50 unequal: No Solution Exploring Operation: 56+30=86, Resulting Numbers: [86] 86,50 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 #0,2,1 Current State: 50:[60, 28], Operations: ['42/21=2', '56/2=28'] Exploring Operation: 60+28=88, Resulting Numbers: [88] 88,50 unequal: No Solution Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,50 unequal: No Solution Exploring Operation: 60*28=1680, Resulting Numbers: [1680] 1680,50 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 #0,2,2 Current State: 50:[60, 54], Operations: ['42/21=2', '56-2=54'] Exploring Operation: 60+54=114, Resulting Numbers: [114] 114,50 unequal: No Solution Exploring Operation: 60-54=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 60*54=3240, Resulting Numbers: [3240] 3240,50 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: 50:[56, 21, 18], Operations: ['60-42=18'] Exploring Operation: 56-18=38, Resulting Numbers: [21, 38] Generated Node #0,3,0: 50:[21, 38] Operation: 56-18=38 Exploring Operation: 21+18=39, Resulting Numbers: [56, 39] Generated Node #0,3,1: 50:[56, 39] Operation: 21+18=39 Exploring Operation: 21-18=3, Resulting Numbers: [56, 3] Generated Node #0,3,2: 50:[56, 3] Operation: 21-18=3 Exploring Operation: 56-21=35, Resulting Numbers: [18, 35] Generated Node #0,3,3: 50:[18, 35] Operation: 56-21=35 Moving to Node #0,0 Current State: 50:[60, 21, 14], Operations: ['56-42=14'] Exploring Operation: 21-14=7, Resulting Numbers: [60, 7] Generated Node #0,0,0: 50:[60, 7] Operation: 21-14=7 Exploring Operation: 60-21=39, Resulting Numbers: [14, 39] Generated Node #0,0,1: 50:[14, 39] Operation: 60-21=39 Exploring Operation: 21+14=35, Resulting Numbers: [60, 35] Generated Node #0,0,2: 50:[60, 35] Operation: 21+14=35 Exploring Operation: 60-14=46, Resulting Numbers: [21, 46] Generated Node #0,0,3: 50:[21, 46] Operation: 60-14=46 Moving to Node #0,1,0 Current State: 50:[4, 2], Operations: ['60-56=4', '42/21=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,50 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,50 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[4, 21], Operations: ['60-56=4', '42-21=21'] Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 4*21=84, Resulting Numbers: [84] 84,50 unequal: No Solution Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,50 unequal: No Solution Moving to Node #0,3,2 Current State: 50:[56, 3], Operations: ['60-42=18', '21-18=3'] Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,50 unequal: No Solution Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,50 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[21, 46], Operations: ['60-56=4', '42+4=46'] Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 21*46=966, Resulting Numbers: [966] 966,50 unequal: No Solution Exploring Operation: 21+46=67, Resulting Numbers: [67] 67,50 unequal: No Solution Moving to Node #0,1,3 Current State: 50:[42, 25], Operations: ['60-56=4', '21+4=25'] Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 42*25=1050, Resulting Numbers: [1050] 1050,50 unequal: No Solution Moving to Node #0,0,3 Current State: 50:[21, 46], Operations: ['56-42=14', '60-14=46'] Exploring Operation: 21*46=966, Resulting Numbers: [966] 966,50 unequal: No Solution Exploring Operation: 46-21=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 21+46=67, Resulting Numbers: [67] 67,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[60, 7], Operations: ['56-42=14', '21-14=7'] Exploring Operation: 60*7=420, Resulting Numbers: [420] 420,50 unequal: No Solution Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,50 unequal: No Solution Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[14, 39], Operations: ['56-42=14', '60-21=39'] Exploring Operation: 14+39=53, Resulting Numbers: [53] 53,50 unequal: No Solution Exploring Operation: 39-14=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 14*39=546, Resulting Numbers: [546] 546,50 unequal: No Solution Moving to Node #0,3,0 Current State: 50:[21, 38], Operations: ['60-42=18', '56-18=38'] Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 21*38=798, Resulting Numbers: [798] 798,50 unequal: No Solution Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,50 unequal: No Solution Moving to Node #0,3,3 Current State: 50:[18, 35], Operations: ['60-42=18', '56-21=35'] Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,50 unequal: No Solution Exploring Operation: 18*35=630, Resulting Numbers: [630] 630,50 unequal: No Solution Exploring Operation: 18+35=53, Resulting Numbers: [53] 53,50 unequal: No Solution Moving to Node #0,3,1 Current State: 50:[56, 39], Operations: ['60-42=18', '21+18=39'] Exploring Operation: 56+39=95, Resulting Numbers: [95] 95,50 unequal: No Solution Exploring Operation: 56*39=2184, Resulting Numbers: [2184] 2184,50 unequal: No Solution Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,50 unequal: No Solution Moving to Node #0,0,2 Current State: 50:[60, 35], Operations: ['56-42=14', '21+14=35'] Exploring Operation: 60+35=95, Resulting Numbers: [95] 95,50 unequal: No Solution Exploring Operation: 60-35=25, Resulting Numbers: [25] 25,50 unequal: No Solution Exploring Operation: 60*35=2100, Resulting Numbers: [2100] 2100,50 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 2, 91, 56, 6 ]
60
[ "56+6=62", "62/2=31", "91-31=60" ]
Current State: 60:[2, 91, 56, 6], Operations: [] Exploring Operation: 56+6=62, Resulting Numbers: [2, 91, 62] Generated Node #2: [2, 91, 62] from Operation: 56+6=62 Current State: 60:[2, 91, 62], Operations: ['56+6=62'] Exploring Operation: 62/2=31, Resulting Numbers: [91, 31] Generated Node #3: [91, 31] from Operation: 62/2=31 Current State: 60:[91, 31], Operations: ['56+6=62', '62/2=31'] Exploring Operation: 91-31=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[2, 91, 56, 6], Operations: [] Exploring Operation: 91-2=89, Resulting Numbers: [56, 6, 89] Generated Node #0,0: 60:[56, 6, 89] Operation: 91-2=89 Exploring Operation: 91-6=85, Resulting Numbers: [2, 56, 85] Generated Node #0,1: 60:[2, 56, 85] Operation: 91-6=85 Exploring Operation: 91-56=35, Resulting Numbers: [2, 6, 35] Generated Node #0,2: 60:[2, 6, 35] Operation: 91-56=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[2, 6, 35], Operations: ['91-56=35'] Exploring Operation: 2*6=12, Resulting Numbers: [35, 12] Generated Node #0,2,0: 60:[35, 12] Operation: 2*6=12 Exploring Operation: 35-6=29, Resulting Numbers: [2, 29] Generated Node #0,2,1: 60:[2, 29] Operation: 35-6=29 Exploring Operation: 35-2=33, Resulting Numbers: [6, 33] Generated Node #0,2,2: 60:[6, 33] Operation: 35-2=33 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 60:[2, 29], Operations: ['91-56=35', '35-6=29'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,60 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,60 unequal: No Solution No 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: 60:[6, 33], Operations: ['91-56=35', '35-2=33'] Exploring Operation: 6*33=198, Resulting Numbers: [198] 198,60 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,60 unequal: No Solution No 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: 60:[35, 12], Operations: ['91-56=35', '2*6=12'] Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 35*12=420, Resulting Numbers: [420] 420,60 unequal: No Solution Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,60 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: 60:[2, 56, 85], Operations: ['91-6=85'] Exploring Operation: 85-56=29, Resulting Numbers: [2, 29] Generated Node #0,1,0: 60:[2, 29] Operation: 85-56=29 Exploring Operation: 56/2=28, Resulting Numbers: [85, 28] Generated Node #0,1,1: 60:[85, 28] Operation: 56/2=28 Exploring Operation: 2+56=58, Resulting Numbers: [85, 58] Generated Node #0,1,2: 60:[85, 58] Operation: 2+56=58 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[2, 29], Operations: ['91-6=85', '85-56=29'] Exploring Operation: 2+29=31, Resulting Numbers: [31] 31,60 unequal: No Solution Exploring Operation: 2*29=58, Resulting Numbers: [58] 58,60 unequal: No Solution Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,60 unequal: No Solution No 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: 60:[85, 28], Operations: ['91-6=85', '56/2=28'] Exploring Operation: 85-28=57, Resulting Numbers: [57] 57,60 unequal: No Solution Exploring Operation: 85*28=2380, Resulting Numbers: [2380] 2380,60 unequal: No Solution Exploring Operation: 85+28=113, Resulting Numbers: [113] 113,60 unequal: No Solution No 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: 60:[85, 58], Operations: ['91-6=85', '2+56=58'] Exploring Operation: 85+58=143, Resulting Numbers: [143] 143,60 unequal: No Solution Exploring Operation: 85-58=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 85*58=4930, Resulting Numbers: [4930] 4930,60 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: 60:[56, 6, 89], Operations: ['91-2=89'] Exploring Operation: 89-6=83, Resulting Numbers: [56, 83] Generated Node #0,0,0: 60:[56, 83] Operation: 89-6=83 Exploring Operation: 89-56=33, Resulting Numbers: [6, 33] Generated Node #0,0,1: 60:[6, 33] Operation: 89-56=33 Exploring Operation: 56+6=62, Resulting Numbers: [89, 62] Generated Node #0,0,2: 60:[89, 62] Operation: 56+6=62 Moving to Node #0,0,1 Current State: 60:[6, 33], Operations: ['91-2=89', '89-56=33'] Exploring Operation: 6+33=39, Resulting Numbers: [39] 39,60 unequal: No Solution Exploring Operation: 6*33=198, Resulting Numbers: [198] 198,60 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[56, 83], Operations: ['91-2=89', '89-6=83'] Exploring Operation: 56+83=139, Resulting Numbers: [139] 139,60 unequal: No Solution Exploring Operation: 83-56=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 56*83=4648, Resulting Numbers: [4648] 4648,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[89, 62], Operations: ['91-2=89', '56+6=62'] Exploring Operation: 89*62=5518, Resulting Numbers: [5518] 5518,60 unequal: No Solution Exploring Operation: 89-62=27, Resulting Numbers: [27] 27,60 unequal: No Solution Exploring Operation: 89+62=151, Resulting Numbers: [151] 151,60 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
[ 20, 62, 33, 7 ]
64
[ "33+7=40", "40/20=2", "62+2=64" ]
Current State: 64:[20, 62, 33, 7], Operations: [] Exploring Operation: 33+7=40, Resulting Numbers: [20, 62, 40] Generated Node #2: [20, 62, 40] from Operation: 33+7=40 Current State: 64:[20, 62, 40], Operations: ['33+7=40'] Exploring Operation: 40/20=2, Resulting Numbers: [62, 2] Generated Node #3: [62, 2] from Operation: 40/20=2 Current State: 64:[62, 2], Operations: ['33+7=40', '40/20=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[20, 62, 33, 7], Operations: [] Exploring Operation: 20-7=13, Resulting Numbers: [62, 33, 13] Generated Node #0,0: 64:[62, 33, 13] Operation: 20-7=13 Exploring Operation: 20+7=27, Resulting Numbers: [62, 33, 27] Generated Node #0,1: 64:[62, 33, 27] Operation: 20+7=27 Exploring Operation: 33-20=13, Resulting Numbers: [62, 7, 13] Generated Node #0,2: 64:[62, 7, 13] Operation: 33-20=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[62, 33, 13], Operations: ['20-7=13'] Exploring Operation: 62-33=29, Resulting Numbers: [13, 29] Generated Node #0,0,0: 64:[13, 29] Operation: 62-33=29 Exploring Operation: 62+13=75, Resulting Numbers: [33, 75] Generated Node #0,0,1: 64:[33, 75] Operation: 62+13=75 Exploring Operation: 33-13=20, Resulting Numbers: [62, 20] Generated Node #0,0,2: 64:[62, 20] Operation: 33-13=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 64:[13, 29], Operations: ['20-7=13', '62-33=29'] Exploring Operation: 13+29=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 29-13=16, Resulting Numbers: [16] 16,64 unequal: No Solution Exploring Operation: 13*29=377, Resulting Numbers: [377] 377,64 unequal: No Solution No 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: 64:[62, 20], Operations: ['20-7=13', '33-13=20'] Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,64 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,64 unequal: No Solution No 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: 64:[33, 75], Operations: ['20-7=13', '62+13=75'] Exploring Operation: 75-33=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 33+75=108, Resulting Numbers: [108] 108,64 unequal: No Solution Exploring Operation: 33*75=2475, Resulting Numbers: [2475] 2475,64 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: 64:[62, 7, 13], Operations: ['33-20=13'] Exploring Operation: 13-7=6, Resulting Numbers: [62, 6] Generated Node #0,2,0: 64:[62, 6] Operation: 13-7=6 Exploring Operation: 7+13=20, Resulting Numbers: [62, 20] Generated Node #0,2,1: 64:[62, 20] Operation: 7+13=20 Exploring Operation: 62+7=69, Resulting Numbers: [13, 69] Generated Node #0,2,2: 64:[13, 69] Operation: 62+7=69 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 64:[62, 6], Operations: ['33-20=13', '13-7=6'] Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,64 unequal: No Solution Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,64 unequal: No Solution Exploring Operation: 62*6=372, Resulting Numbers: [372] 372,64 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 64:[62, 20], Operations: ['33-20=13', '7+13=20'] Exploring Operation: 62*20=1240, Resulting Numbers: [1240] 1240,64 unequal: No Solution Exploring Operation: 62-20=42, Resulting Numbers: [42] 42,64 unequal: No Solution Exploring Operation: 62+20=82, Resulting Numbers: [82] 82,64 unequal: No Solution No 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: 64:[13, 69], Operations: ['33-20=13', '62+7=69'] Exploring Operation: 13+69=82, Resulting Numbers: [82] 82,64 unequal: No Solution Exploring Operation: 69-13=56, Resulting Numbers: [56] 56,64 unequal: No Solution Exploring Operation: 13*69=897, Resulting Numbers: [897] 897,64 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: 64:[62, 33, 27], Operations: ['20+7=27'] Exploring Operation: 33+27=60, Resulting Numbers: [62, 60] Generated Node #0,1,0: 64:[62, 60] Operation: 33+27=60 Exploring Operation: 33-27=6, Resulting Numbers: [62, 6] Generated Node #0,1,1: 64:[62, 6] Operation: 33-27=6 Exploring Operation: 62-27=35, Resulting Numbers: [33, 35] Generated Node #0,1,2: 64:[33, 35] Operation: 62-27=35 Moving to Node #0,1,1 Current State: 64:[62, 6], Operations: ['20+7=27', '33-27=6'] Exploring Operation: 62+6=68, Resulting Numbers: [68] 68,64 unequal: No Solution Exploring Operation: 62*6=372, Resulting Numbers: [372] 372,64 unequal: No Solution Exploring Operation: 62-6=56, Resulting Numbers: [56] 56,64 unequal: No Solution Moving to Node #0,1,2 Current State: 64:[33, 35], Operations: ['20+7=27', '62-27=35'] Exploring Operation: 35-33=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,64 unequal: No Solution Exploring Operation: 33*35=1155, Resulting Numbers: [1155] 1155,64 unequal: No Solution Moving to Node #0,1,0 Current State: 64:[62, 60], Operations: ['20+7=27', '33+27=60'] Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 62+60=122, Resulting Numbers: [122] 122,64 unequal: No Solution Exploring Operation: 62*60=3720, Resulting Numbers: [3720] 3720,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 91, 62, 59, 9 ]
88
[ "62-59=3", "9/3=3", "91-3=88" ]
Current State: 88:[91, 62, 59, 9], Operations: [] Exploring Operation: 62-59=3, Resulting Numbers: [91, 9, 3] Generated Node #2: [91, 9, 3] from Operation: 62-59=3 Current State: 88:[91, 9, 3], Operations: ['62-59=3'] Exploring Operation: 9/3=3, Resulting Numbers: [91, 3] Generated Node #3: [91, 3] from Operation: 9/3=3 Current State: 88:[91, 3], Operations: ['62-59=3', '9/3=3'] Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[91, 62, 59, 9], Operations: [] Exploring Operation: 62-59=3, Resulting Numbers: [91, 9, 3] Generated Node #0,0: 88:[91, 9, 3] Operation: 62-59=3 Exploring Operation: 62-9=53, Resulting Numbers: [91, 59, 53] Generated Node #0,1: 88:[91, 59, 53] Operation: 62-9=53 Exploring Operation: 59-9=50, Resulting Numbers: [91, 62, 50] Generated Node #0,2: 88:[91, 62, 50] Operation: 59-9=50 Exploring Operation: 91-62=29, Resulting Numbers: [59, 9, 29] Generated Node #0,3: 88:[59, 9, 29] Operation: 91-62=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[91, 9, 3], Operations: ['62-59=3'] Exploring Operation: 91-3=88, Resulting Numbers: [9, 88] Generated Node #0,0,0: 88:[9, 88] Operation: 91-3=88 Exploring Operation: 9/3=3, Resulting Numbers: [91, 3] Generated Node #0,0,1: 88:[91, 3] Operation: 9/3=3 Exploring Operation: 9-3=6, Resulting Numbers: [91, 6] Generated Node #0,0,2: 88:[91, 6] Operation: 9-3=6 Exploring Operation: 9+3=12, Resulting Numbers: [91, 12] Generated Node #0,0,3: 88:[91, 12] Operation: 9+3=12 Moving to Node #0,0,0 Current State: 88:[9, 88], Operations: ['62-59=3', '91-3=88'] Exploring Operation: 88-9=79, Resulting Numbers: [79] 79,88 unequal: No Solution Exploring Operation: 9+88=97, Resulting Numbers: [97] 97,88 unequal: No Solution Exploring Operation: 9*88=792, Resulting Numbers: [792] 792,88 unequal: No Solution Moving to Node #0,0,3 Current State: 88:[91, 12], Operations: ['62-59=3', '9+3=12'] Exploring Operation: 91-12=79, Resulting Numbers: [79] 79,88 unequal: No Solution Exploring Operation: 91*12=1092, Resulting Numbers: [1092] 1092,88 unequal: No Solution Exploring Operation: 91+12=103, Resulting Numbers: [103] 103,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[91, 3], Operations: ['62-59=3', '9/3=3'] Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,88 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[91, 62, 59, 9], Operations: [] Exploring Operation: 62-59=3, Resulting Numbers: [91, 9, 3] Generated Node #0,0: 88:[91, 9, 3] Operation: 62-59=3 Moving to Node #0,0 Current State: 88:[91, 9, 3], Operations: ['62-59=3'] Exploring Operation: 9/3=3, Resulting Numbers: [91, 3] Generated Node #0,0,1: 88:[91, 3] Operation: 9/3=3 Moving to Node #0,0,1 Current State: 88:[91, 3], Operations: ['62-59=3', '9/3=3'] Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 15, 60, 90, 83 ]
29
[ "90/15=6", "83-60=23", "6+23=29" ]
Current State: 29:[15, 60, 90, 83], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [60, 83, 6] Generated Node #2: [60, 83, 6] from Operation: 90/15=6 Current State: 29:[60, 83, 6], Operations: ['90/15=6'] Exploring Operation: 83-60=23, Resulting Numbers: [6, 23] Generated Node #3: [6, 23] from Operation: 83-60=23 Current State: 29:[6, 23], Operations: ['90/15=6', '83-60=23'] Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[15, 60, 90, 83], Operations: [] Exploring Operation: 90/15=6, Resulting Numbers: [60, 83, 6] Generated Node #0,0: 29:[60, 83, 6] Operation: 90/15=6 Exploring Operation: 83-60=23, Resulting Numbers: [15, 90, 23] Generated Node #0,1: 29:[15, 90, 23] Operation: 83-60=23 Exploring Operation: 90-60=30, Resulting Numbers: [15, 83, 30] Generated Node #0,2: 29:[15, 83, 30] Operation: 90-60=30 Exploring Operation: 90-83=7, Resulting Numbers: [15, 60, 7] Generated Node #0,3: 29:[15, 60, 7] Operation: 90-83=7 Start Sub Search at level 1: Moving to Node #0,3 Current State: 29:[15, 60, 7], Operations: ['90-83=7'] Exploring Operation: 60-7=53, Resulting Numbers: [15, 53] Generated Node #0,3,0: 29:[15, 53] Operation: 60-7=53 Exploring Operation: 60/15=4, Resulting Numbers: [7, 4] Generated Node #0,3,1: 29:[7, 4] Operation: 60/15=4 Exploring Operation: 60-15=45, Resulting Numbers: [7, 45] Generated Node #0,3,2: 29:[7, 45] Operation: 60-15=45 Exploring Operation: 15+7=22, Resulting Numbers: [60, 22] Generated Node #0,3,3: 29:[60, 22] Operation: 15+7=22 Moving to Node #0,3,0 Current State: 29:[15, 53], Operations: ['90-83=7', '60-7=53'] Exploring Operation: 15*53=795, Resulting Numbers: [795] 795,29 unequal: No Solution Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 15+53=68, Resulting Numbers: [68] 68,29 unequal: No Solution Moving to Node #0,3,3 Current State: 29:[60, 22], Operations: ['90-83=7', '15+7=22'] Exploring Operation: 60+22=82, Resulting Numbers: [82] 82,29 unequal: No Solution Exploring Operation: 60-22=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 60*22=1320, Resulting Numbers: [1320] 1320,29 unequal: No Solution Moving to Node #0,3,2 Current State: 29:[7, 45], Operations: ['90-83=7', '60-15=45'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 7*45=315, Resulting Numbers: [315] 315,29 unequal: No Solution Exploring Operation: 7+45=52, Resulting Numbers: [52] 52,29 unequal: No Solution Moving to Node #0,3,1 Current State: 29:[7, 4], Operations: ['90-83=7', '60/15=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,29 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,29 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[15, 83, 30], Operations: ['90-60=30'] Exploring Operation: 83-15=68, Resulting Numbers: [30, 68] Generated Node #0,2,0: 29:[30, 68] Operation: 83-15=68 Exploring Operation: 30-15=15, Resulting Numbers: [83, 15] Generated Node #0,2,1: 29:[83, 15] Operation: 30-15=15 Exploring Operation: 83-30=53, Resulting Numbers: [15, 53] Generated Node #0,2,2: 29:[15, 53] Operation: 83-30=53 Exploring Operation: 15+83=98, Resulting Numbers: [30, 98] Generated Node #0,2,3: 29:[30, 98] Operation: 15+83=98 Moving to Node #0,2,2 Current State: 29:[15, 53], Operations: ['90-60=30', '83-30=53'] Exploring Operation: 15+53=68, Resulting Numbers: [68] 68,29 unequal: No Solution Exploring Operation: 15*53=795, Resulting Numbers: [795] 795,29 unequal: No Solution Exploring Operation: 53-15=38, Resulting Numbers: [38] 38,29 unequal: No Solution Moving to Node #0,2,0 Current State: 29:[30, 68], Operations: ['90-60=30', '83-15=68'] Exploring Operation: 30+68=98, Resulting Numbers: [98] 98,29 unequal: No Solution Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,29 unequal: No Solution Exploring Operation: 30*68=2040, Resulting Numbers: [2040] 2040,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[83, 15], Operations: ['90-60=30', '30-15=15'] Exploring Operation: 83*15=1245, Resulting Numbers: [1245] 1245,29 unequal: No Solution Exploring Operation: 83+15=98, Resulting Numbers: [98] 98,29 unequal: No Solution Exploring Operation: 83-15=68, Resulting Numbers: [68] 68,29 unequal: No Solution Moving to Node #0,2,3 Current State: 29:[30, 98], Operations: ['90-60=30', '15+83=98'] Exploring Operation: 30+98=128, Resulting Numbers: [128] 128,29 unequal: No Solution Exploring Operation: 30*98=2940, Resulting Numbers: [2940] 2940,29 unequal: No Solution Exploring Operation: 98-30=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 #0,1 Current State: 29:[15, 90, 23], Operations: ['83-60=23'] Exploring Operation: 90/15=6, Resulting Numbers: [23, 6] Generated Node #0,1,0: 29:[23, 6] Operation: 90/15=6 Exploring Operation: 90-15=75, Resulting Numbers: [23, 75] Generated Node #0,1,1: 29:[23, 75] Operation: 90-15=75 Exploring Operation: 90-23=67, Resulting Numbers: [15, 67] Generated Node #0,1,2: 29:[15, 67] Operation: 90-23=67 Exploring Operation: 15+23=38, Resulting Numbers: [90, 38] Generated Node #0,1,3: 29:[90, 38] Operation: 15+23=38 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[23, 6], Operations: ['83-60=23', '90/15=6'] Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[15, 60, 90, 83], Operations: [] Exploring Operation: 83-60=23, Resulting Numbers: [15, 90, 23] Generated Node #0,1: 29:[15, 90, 23] Operation: 83-60=23 Moving to Node #0,1 Current State: 29:[15, 90, 23], Operations: ['83-60=23'] Exploring Operation: 90/15=6, Resulting Numbers: [23, 6] Generated Node #0,1,0: 29:[23, 6] Operation: 90/15=6 Moving to Node #0,1,0 Current State: 29:[23, 6], Operations: ['83-60=23', '90/15=6'] Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.960938
hs_4
sum_heuristic
[ 55, 49, 11, 37 ]
17
[ "55/11=5", "49-37=12", "5+12=17" ]
Current State: 17:[55, 49, 11, 37], Operations: [] Exploring Operation: 55/11=5, Resulting Numbers: [49, 37, 5] Generated Node #2: [49, 37, 5] from Operation: 55/11=5 Current State: 17:[49, 37, 5], Operations: ['55/11=5'] Exploring Operation: 49-37=12, Resulting Numbers: [5, 12] Generated Node #3: [5, 12] from Operation: 49-37=12 Current State: 17:[5, 12], Operations: ['55/11=5', '49-37=12'] Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[55, 49, 11, 37], Operations: [] Exploring Operation: 55-49=6, Resulting Numbers: [11, 37, 6] Generated Node #0,0: 17:[11, 37, 6] Operation: 55-49=6 Exploring Operation: 55-37=18, Resulting Numbers: [49, 11, 18] Generated Node #0,1: 17:[49, 11, 18] Operation: 55-37=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[11, 37, 6], Operations: ['55-49=6'] Exploring Operation: 37-11=26, Resulting Numbers: [6, 26] Generated Node #0,0,0: 17:[6, 26] Operation: 37-11=26 Exploring Operation: 11+6=17, Resulting Numbers: [37, 17] Generated Node #0,0,1: 17:[37, 17] Operation: 11+6=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[6, 26], Operations: ['55-49=6', '37-11=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,17 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 17:[37, 17], Operations: ['55-49=6', '11+6=17'] Exploring Operation: 37+17=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 37-17=20, Resulting Numbers: [20] 20,17 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: 17:[49, 11, 18], Operations: ['55-37=18'] Exploring Operation: 49-18=31, Resulting Numbers: [11, 31] Generated Node #0,1,0: 17:[11, 31] Operation: 49-18=31 Exploring Operation: 49-11=38, Resulting Numbers: [18, 38] Generated Node #0,1,1: 17:[18, 38] Operation: 49-11=38 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 17:[11, 31], Operations: ['55-37=18', '49-18=31'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 11+31=42, Resulting Numbers: [42] 42,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 17:[18, 38], Operations: ['55-37=18', '49-11=38'] Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,17 unequal: No Solution Exploring Operation: 18+38=56, Resulting Numbers: [56] 56,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 76, 8, 92, 86 ]
65
[ "76+92=168", "168/8=21", "86-21=65" ]
Current State: 65:[76, 8, 92, 86], Operations: [] Exploring Operation: 76+92=168, Resulting Numbers: [8, 86, 168] Generated Node #2: [8, 86, 168] from Operation: 76+92=168 Current State: 65:[8, 86, 168], Operations: ['76+92=168'] Exploring Operation: 168/8=21, Resulting Numbers: [86, 21] Generated Node #3: [86, 21] from Operation: 168/8=21 Current State: 65:[86, 21], Operations: ['76+92=168', '168/8=21'] Exploring Operation: 86-21=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[76, 8, 92, 86], Operations: [] Exploring Operation: 76-8=68, Resulting Numbers: [92, 86, 68] Generated Node #0,0: 65:[92, 86, 68] Operation: 76-8=68 Exploring Operation: 92-76=16, Resulting Numbers: [8, 86, 16] Generated Node #0,1: 65:[8, 86, 16] Operation: 92-76=16 Exploring Operation: 86-76=10, Resulting Numbers: [8, 92, 10] Generated Node #0,2: 65:[8, 92, 10] Operation: 86-76=10 Exploring Operation: 92-86=6, Resulting Numbers: [76, 8, 6] Generated Node #0,3: 65:[76, 8, 6] Operation: 92-86=6 Moving to Node #0,3 Current State: 65:[76, 8, 6], Operations: ['92-86=6'] Exploring Operation: 76-8=68, Resulting Numbers: [6, 68] Generated Node #0,3,0: 65:[6, 68] Operation: 76-8=68 Exploring Operation: 76-6=70, Resulting Numbers: [8, 70] Generated Node #0,3,1: 65:[8, 70] Operation: 76-6=70 Exploring Operation: 8+6=14, Resulting Numbers: [76, 14] Generated Node #0,3,2: 65:[76, 14] Operation: 8+6=14 Exploring Operation: 8-6=2, Resulting Numbers: [76, 2] Generated Node #0,3,3: 65:[76, 2] Operation: 8-6=2 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 65:[6, 68], Operations: ['92-86=6', '76-8=68'] Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 6*68=408, Resulting Numbers: [408] 408,65 unequal: No Solution Exploring Operation: 6+68=74, Resulting Numbers: [74] 74,65 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 #0,3,1 Current State: 65:[8, 70], Operations: ['92-86=6', '76-6=70'] Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 8*70=560, Resulting Numbers: [560] 560,65 unequal: No Solution Exploring Operation: 8+70=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 #0,3,2 Current State: 65:[76, 14], Operations: ['92-86=6', '8+6=14'] Exploring Operation: 76*14=1064, Resulting Numbers: [1064] 1064,65 unequal: No Solution Exploring Operation: 76+14=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 76-14=62, Resulting Numbers: [62] 62,65 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 #0,3,3 Current State: 65:[76, 2], Operations: ['92-86=6', '8-6=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,65 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,65 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,65 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:[8, 86, 16], Operations: ['92-76=16'] Exploring Operation: 86-16=70, Resulting Numbers: [8, 70] Generated Node #0,1,0: 65:[8, 70] Operation: 86-16=70 Exploring Operation: 86-8=78, Resulting Numbers: [16, 78] Generated Node #0,1,1: 65:[16, 78] Operation: 86-8=78 Exploring Operation: 16/8=2, Resulting Numbers: [86, 2] Generated Node #0,1,2: 65:[86, 2] Operation: 16/8=2 Exploring Operation: 16-8=8, Resulting Numbers: [86, 8] Generated Node #0,1,3: 65:[86, 8] Operation: 16-8=8 Moving to Node #0,2 Current State: 65:[8, 92, 10], Operations: ['86-76=10'] Exploring Operation: 10-8=2, Resulting Numbers: [92, 2] Generated Node #0,2,0: 65:[92, 2] Operation: 10-8=2 Exploring Operation: 8+10=18, Resulting Numbers: [92, 18] Generated Node #0,2,1: 65:[92, 18] Operation: 8+10=18 Exploring Operation: 92-10=82, Resulting Numbers: [8, 82] Generated Node #0,2,2: 65:[8, 82] Operation: 92-10=82 Exploring Operation: 92-8=84, Resulting Numbers: [10, 84] Generated Node #0,2,3: 65:[10, 84] Operation: 92-8=84 Moving to Node #0,0 Current State: 65:[92, 86, 68], Operations: ['76-8=68'] Exploring Operation: 92+86=178, Resulting Numbers: [68, 178] Generated Node #0,0,0: 65:[68, 178] Operation: 92+86=178 Exploring Operation: 92-86=6, Resulting Numbers: [68, 6] Generated Node #0,0,1: 65:[68, 6] Operation: 92-86=6 Exploring Operation: 86-68=18, Resulting Numbers: [92, 18] Generated Node #0,0,2: 65:[92, 18] Operation: 86-68=18 Exploring Operation: 92-68=24, Resulting Numbers: [86, 24] Generated Node #0,0,3: 65:[86, 24] Operation: 92-68=24 Moving to Node #0,0,1 Current State: 65:[68, 6], Operations: ['76-8=68', '92-86=6'] Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,65 unequal: No Solution Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,65 unequal: No Solution Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[8, 70], Operations: ['92-76=16', '86-16=70'] Exploring Operation: 8+70=78, Resulting Numbers: [78] 78,65 unequal: No Solution Exploring Operation: 8*70=560, Resulting Numbers: [560] 560,65 unequal: No Solution Exploring Operation: 70-8=62, Resulting Numbers: [62] 62,65 unequal: No Solution Moving to Node #0,1,1 Current State: 65:[16, 78], Operations: ['92-76=16', '86-8=78'] Exploring Operation: 16*78=1248, Resulting Numbers: [1248] 1248,65 unequal: No Solution Exploring Operation: 16+78=94, Resulting Numbers: [94] 94,65 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[8, 82], Operations: ['86-76=10', '92-10=82'] Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 8*82=656, Resulting Numbers: [656] 656,65 unequal: No Solution Exploring Operation: 8+82=90, Resulting Numbers: [90] 90,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[10, 84], Operations: ['86-76=10', '92-8=84'] Exploring Operation: 84-10=74, Resulting Numbers: [74] 74,65 unequal: No Solution Exploring Operation: 10*84=840, Resulting Numbers: [840] 840,65 unequal: No Solution Exploring Operation: 10+84=94, Resulting Numbers: [94] 94,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[86, 2], Operations: ['92-76=16', '16/8=2'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,65 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,65 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,65 unequal: No Solution Exploring Operation: 86*2=172, Resulting Numbers: [172] 172,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[86, 8], Operations: ['92-76=16', '16-8=8'] Exploring Operation: 86*8=688, Resulting Numbers: [688] 688,65 unequal: No Solution Exploring Operation: 86+8=94, Resulting Numbers: [94] 94,65 unequal: No Solution Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[92, 2], Operations: ['86-76=10', '10-8=2'] Exploring Operation: 92*2=184, Resulting Numbers: [184] 184,65 unequal: No Solution Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,65 unequal: No Solution Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,65 unequal: No Solution Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[92, 18], Operations: ['76-8=68', '86-68=18'] Exploring Operation: 92+18=110, Resulting Numbers: [110] 110,65 unequal: No Solution Exploring Operation: 92*18=1656, Resulting Numbers: [1656] 1656,65 unequal: No Solution Exploring Operation: 92-18=74, Resulting Numbers: [74] 74,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[92, 18], Operations: ['86-76=10', '8+10=18'] Exploring Operation: 92*18=1656, Resulting Numbers: [1656] 1656,65 unequal: No Solution Exploring Operation: 92+18=110, Resulting Numbers: [110] 110,65 unequal: No Solution Exploring Operation: 92-18=74, Resulting Numbers: [74] 74,65 unequal: No Solution Moving to Node #0,0,3 Current State: 65:[86, 24], Operations: ['76-8=68', '92-68=24'] Exploring Operation: 86+24=110, Resulting Numbers: [110] 110,65 unequal: No Solution Exploring Operation: 86*24=2064, Resulting Numbers: [2064] 2064,65 unequal: No Solution Exploring Operation: 86-24=62, Resulting Numbers: [62] 62,65 unequal: No Solution Moving to Node #0,0,0 Current State: 65:[68, 178], Operations: ['76-8=68', '92+86=178'] Exploring Operation: 178-68=110, Resulting Numbers: [110] 110,65 unequal: No Solution Exploring Operation: 68*178=12104, Resulting Numbers: [12104] 12104,65 unequal: No Solution Exploring Operation: 68+178=246, Resulting Numbers: [246] 246,65 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 46, 36, 48, 6 ]
69
[ "48+6=54", "46*54=2484", "2484/36=69" ]
Current State: 69:[46, 36, 48, 6], Operations: [] Exploring Operation: 48+6=54, Resulting Numbers: [46, 36, 54] Generated Node #2: [46, 36, 54] from Operation: 48+6=54 Current State: 69:[46, 36, 54], Operations: ['48+6=54'] Exploring Operation: 46*54=2484, Resulting Numbers: [36, 2484] Generated Node #3: [36, 2484] from Operation: 46*54=2484 Current State: 69:[36, 2484], Operations: ['48+6=54', '46*54=2484'] Exploring Operation: 2484/36=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[46, 36, 48, 6], Operations: [] Exploring Operation: 48-46=2, Resulting Numbers: [36, 6, 2] Generated Node #0,0: 69:[36, 6, 2] Operation: 48-46=2 Exploring Operation: 46-36=10, Resulting Numbers: [48, 6, 10] Generated Node #0,1: 69:[48, 6, 10] Operation: 46-36=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[36, 6, 2], Operations: ['48-46=2'] Exploring Operation: 36/6=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 69:[2, 6] Operation: 36/6=6 Exploring Operation: 36*2=72, Resulting Numbers: [6, 72] Generated Node #0,0,1: 69:[6, 72] Operation: 36*2=72 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[2, 6], Operations: ['48-46=2', '36/6=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,69 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,69 unequal: No Solution No 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: 69:[6, 72], Operations: ['48-46=2', '36*2=72'] Exploring Operation: 6+72=78, Resulting Numbers: [78] 78,69 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,69 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: 69:[48, 6, 10], Operations: ['46-36=10'] Exploring Operation: 48+10=58, Resulting Numbers: [6, 58] Generated Node #0,1,0: 69:[6, 58] Operation: 48+10=58 Exploring Operation: 48/6=8, Resulting Numbers: [10, 8] Generated Node #0,1,1: 69:[10, 8] Operation: 48/6=8 Moving to Node #0,1,1 Current State: 69:[10, 8], Operations: ['46-36=10', '48/6=8'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,69 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[6, 58], Operations: ['46-36=10', '48+10=58'] Exploring Operation: 6+58=64, Resulting Numbers: [64] 64,69 unequal: No Solution Exploring Operation: 58-6=52, Resulting Numbers: [52] 52,69 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
[ 96, 77, 67, 29 ]
19
[ "96-77=19", "67-29=38", "38-19=19" ]
Current State: 19:[96, 77, 67, 29], Operations: [] Exploring Operation: 96-77=19, Resulting Numbers: [67, 29, 19] Generated Node #2: [67, 29, 19] from Operation: 96-77=19 Current State: 19:[67, 29, 19], Operations: ['96-77=19'] Exploring Operation: 67-29=38, Resulting Numbers: [19, 38] Generated Node #3: [19, 38] from Operation: 67-29=38 Current State: 19:[19, 38], Operations: ['96-77=19', '67-29=38'] Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[96, 77, 67, 29], Operations: [] Exploring Operation: 77-67=10, Resulting Numbers: [96, 29, 10] Generated Node #0,0: 19:[96, 29, 10] Operation: 77-67=10 Exploring Operation: 96-77=19, Resulting Numbers: [67, 29, 19] Generated Node #0,1: 19:[67, 29, 19] Operation: 96-77=19 Exploring Operation: 96-67=29, Resulting Numbers: [77, 29, 29] Generated Node #0,2: 19:[77, 29, 29] Operation: 96-67=29 Moving to Node #0,1 Current State: 19:[67, 29, 19], Operations: ['96-77=19'] Exploring Operation: 29-19=10, Resulting Numbers: [67, 10] Generated Node #0,1,0: 19:[67, 10] Operation: 29-19=10 Exploring Operation: 67-19=48, Resulting Numbers: [29, 48] Generated Node #0,1,1: 19:[29, 48] Operation: 67-19=48 Exploring Operation: 67-29=38, Resulting Numbers: [19, 38] Generated Node #0,1,2: 19:[19, 38] Operation: 67-29=38 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 19:[19, 38], Operations: ['96-77=19', '67-29=38'] Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 19+38=57, Resulting Numbers: [57] 57,19 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[96, 77, 67, 29], Operations: [] Exploring Operation: 96-77=19, Resulting Numbers: [67, 29, 19] Generated Node #0,1: 19:[67, 29, 19] Operation: 96-77=19 Moving to Node #0,1 Current State: 19:[67, 29, 19], Operations: ['96-77=19'] Exploring Operation: 67-29=38, Resulting Numbers: [19, 38] Generated Node #0,1,2: 19:[19, 38] Operation: 67-29=38 Moving to Node #0,1,2 Current State: 19:[19, 38], Operations: ['96-77=19', '67-29=38'] Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 37, 63, 10, 40 ]
30
[ "37+63=100", "100/10=10", "40-10=30" ]
Current State: 30:[37, 63, 10, 40], Operations: [] Exploring Operation: 37+63=100, Resulting Numbers: [10, 40, 100] Generated Node #2: [10, 40, 100] from Operation: 37+63=100 Current State: 30:[10, 40, 100], Operations: ['37+63=100'] Exploring Operation: 100/10=10, Resulting Numbers: [40, 10] Generated Node #3: [40, 10] from Operation: 100/10=10 Current State: 30:[40, 10], Operations: ['37+63=100', '100/10=10'] Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[37, 63, 10, 40], Operations: [] Exploring Operation: 63-37=26, Resulting Numbers: [10, 40, 26] Generated Node #0,0: 30:[10, 40, 26] Operation: 63-37=26 Exploring Operation: 40-37=3, Resulting Numbers: [63, 10, 3] Generated Node #0,1: 30:[63, 10, 3] Operation: 40-37=3 Exploring Operation: 63-40=23, Resulting Numbers: [37, 10, 23] Generated Node #0,2: 30:[37, 10, 23] Operation: 63-40=23 Exploring Operation: 63-10=53, Resulting Numbers: [37, 40, 53] Generated Node #0,3: 30:[37, 40, 53] Operation: 63-10=53 Moving to Node #0,0 Current State: 30:[10, 40, 26], Operations: ['63-37=26'] Exploring Operation: 40-10=30, Resulting Numbers: [26, 30] Generated Node #0,0,0: 30:[26, 30] Operation: 40-10=30 Exploring Operation: 26-10=16, Resulting Numbers: [40, 16] Generated Node #0,0,1: 30:[40, 16] Operation: 26-10=16 Exploring Operation: 40/10=4, Resulting Numbers: [26, 4] Generated Node #0,0,2: 30:[26, 4] Operation: 40/10=4 Exploring Operation: 40-26=14, Resulting Numbers: [10, 14] Generated Node #0,0,3: 30:[10, 14] Operation: 40-26=14 Moving to Node #0,2 Current State: 30:[37, 10, 23], Operations: ['63-40=23'] Exploring Operation: 37-10=27, Resulting Numbers: [23, 27] Generated Node #0,2,0: 30:[23, 27] Operation: 37-10=27 Exploring Operation: 23-10=13, Resulting Numbers: [37, 13] Generated Node #0,2,1: 30:[37, 13] Operation: 23-10=13 Exploring Operation: 37-23=14, Resulting Numbers: [10, 14] Generated Node #0,2,2: 30:[10, 14] Operation: 37-23=14 Exploring Operation: 10+23=33, Resulting Numbers: [37, 33] Generated Node #0,2,3: 30:[37, 33] Operation: 10+23=33 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 30:[10, 14], Operations: ['63-40=23', '37-23=14'] Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,30 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[37, 13], Operations: ['63-40=23', '23-10=13'] Exploring Operation: 37-13=24, Resulting Numbers: [24] 24,30 unequal: No Solution Exploring Operation: 37*13=481, Resulting Numbers: [481] 481,30 unequal: No Solution Exploring Operation: 37+13=50, Resulting Numbers: [50] 50,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[23, 27], Operations: ['63-40=23', '37-10=27'] Exploring Operation: 23+27=50, Resulting Numbers: [50] 50,30 unequal: No Solution Exploring Operation: 23*27=621, Resulting Numbers: [621] 621,30 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 30:[37, 33], Operations: ['63-40=23', '10+23=33'] Exploring Operation: 37+33=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 37*33=1221, Resulting Numbers: [1221] 1221,30 unequal: No Solution Exploring Operation: 37-33=4, Resulting Numbers: [4] 4,30 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: 30:[63, 10, 3], Operations: ['40-37=3'] Exploring Operation: 63/3=21, Resulting Numbers: [10, 21] Generated Node #0,1,0: 30:[10, 21] Operation: 63/3=21 Exploring Operation: 10*3=30, Resulting Numbers: [63, 30] Generated Node #0,1,1: 30:[63, 30] Operation: 10*3=30 Exploring Operation: 63-3=60, Resulting Numbers: [10, 60] Generated Node #0,1,2: 30:[10, 60] Operation: 63-3=60 Exploring Operation: 63-10=53, Resulting Numbers: [3, 53] Generated Node #0,1,3: 30:[3, 53] Operation: 63-10=53 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[10, 21], Operations: ['40-37=3', '63/3=21'] Exploring Operation: 10*21=210, Resulting Numbers: [210] 210,30 unequal: No Solution Exploring Operation: 10+21=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 30:[3, 53], Operations: ['40-37=3', '63-10=53'] Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,30 unequal: No Solution Exploring Operation: 3+53=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 3*53=159, Resulting Numbers: [159] 159,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 30:[10, 60], Operations: ['40-37=3', '63-3=60'] Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,30 unequal: No Solution Exploring Operation: 10*60=600, Resulting Numbers: [600] 600,30 unequal: No Solution Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[63, 30], Operations: ['40-37=3', '10*3=30'] Exploring Operation: 63*30=1890, Resulting Numbers: [1890] 1890,30 unequal: No Solution Exploring Operation: 63+30=93, Resulting Numbers: [93] 93,30 unequal: No Solution Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,30 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: 30:[37, 40, 53], Operations: ['63-10=53'] Exploring Operation: 37+40=77, Resulting Numbers: [53, 77] Generated Node #0,3,0: 30:[53, 77] Operation: 37+40=77 Exploring Operation: 40-37=3, Resulting Numbers: [53, 3] Generated Node #0,3,1: 30:[53, 3] Operation: 40-37=3 Exploring Operation: 53-40=13, Resulting Numbers: [37, 13] Generated Node #0,3,2: 30:[37, 13] Operation: 53-40=13 Exploring Operation: 53-37=16, Resulting Numbers: [40, 16] Generated Node #0,3,3: 30:[40, 16] Operation: 53-37=16 Moving to Node #0,0,3 Current State: 30:[10, 14], Operations: ['63-37=26', '40-26=14'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 10*14=140, Resulting Numbers: [140] 140,30 unequal: No Solution Exploring Operation: 10+14=24, Resulting Numbers: [24] 24,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[26, 30], Operations: ['63-37=26', '40-10=30'] Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 26*30=780, Resulting Numbers: [780] 780,30 unequal: No Solution Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,30 unequal: No Solution Moving to Node #0,0,2 Current State: 30:[26, 4], Operations: ['63-37=26', '40/10=4'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,30 unequal: No Solution Exploring Operation: 26*4=104, Resulting Numbers: [104] 104,30 unequal: No Solution Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[37, 63, 10, 40], Operations: [] Exploring Operation: 63-37=26, Resulting Numbers: [10, 40, 26] Generated Node #0,0: 30:[10, 40, 26] Operation: 63-37=26 Moving to Node #0,0 Current State: 30:[10, 40, 26], Operations: ['63-37=26'] Exploring Operation: 40/10=4, Resulting Numbers: [26, 4] Generated Node #0,0,2: 30:[26, 4] Operation: 40/10=4 Moving to Node #0,0,2 Current State: 30:[26, 4], Operations: ['63-37=26', '40/10=4'] Exploring Operation: 26+4=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.949653
hs_4
sum_heuristic
[ 4, 88, 83, 48 ]
52
[ "83-48=35", "4*35=140", "140-88=52" ]
Current State: 52:[4, 88, 83, 48], Operations: [] Exploring Operation: 83-48=35, Resulting Numbers: [4, 88, 35] Generated Node #2: [4, 88, 35] from Operation: 83-48=35 Current State: 52:[4, 88, 35], Operations: ['83-48=35'] Exploring Operation: 4*35=140, Resulting Numbers: [88, 140] Generated Node #3: [88, 140] from Operation: 4*35=140 Current State: 52:[88, 140], Operations: ['83-48=35', '4*35=140'] Exploring Operation: 140-88=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[4, 88, 83, 48], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [4, 48, 5] Generated Node #0,0: 52:[4, 48, 5] Operation: 88-83=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[4, 48, 5], Operations: ['88-83=5'] Exploring Operation: 4+48=52, Resulting Numbers: [5, 52] Generated Node #0,0,0: 52:[5, 52] Operation: 4+48=52 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 52:[5, 52], Operations: ['88-83=5', '4+48=52'] Exploring Operation: 5+52=57, Resulting Numbers: [57] 57,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 49, 90, 18, 36 ]
80
[ "49+36=85", "90/18=5", "85-5=80" ]
Current State: 80:[49, 90, 18, 36], Operations: [] Exploring Operation: 49+36=85, Resulting Numbers: [90, 18, 85] Generated Node #2: [90, 18, 85] from Operation: 49+36=85 Current State: 80:[90, 18, 85], Operations: ['49+36=85'] Exploring Operation: 90/18=5, Resulting Numbers: [85, 5] Generated Node #3: [85, 5] from Operation: 90/18=5 Current State: 80:[85, 5], Operations: ['49+36=85', '90/18=5'] Exploring Operation: 85-5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[49, 90, 18, 36], Operations: [] Exploring Operation: 90-49=41, Resulting Numbers: [18, 36, 41] Generated Node #0,0: 80:[18, 36, 41] Operation: 90-49=41 Exploring Operation: 49+36=85, Resulting Numbers: [90, 18, 85] Generated Node #0,1: 80:[90, 18, 85] Operation: 49+36=85 Exploring Operation: 49-36=13, Resulting Numbers: [90, 18, 13] Generated Node #0,2: 80:[90, 18, 13] Operation: 49-36=13 Exploring Operation: 90/18=5, Resulting Numbers: [49, 36, 5] Generated Node #0,3: 80:[49, 36, 5] Operation: 90/18=5 Exploring Operation: 36/18=2, Resulting Numbers: [49, 90, 2] Generated Node #0,4: 80:[49, 90, 2] Operation: 36/18=2 Moving to Node #0,0 Current State: 80:[18, 36, 41], Operations: ['90-49=41'] Exploring Operation: 41-36=5, Resulting Numbers: [18, 5] Generated Node #0,0,0: 80:[18, 5] Operation: 41-36=5 Exploring Operation: 36/18=2, Resulting Numbers: [41, 2] Generated Node #0,0,1: 80:[41, 2] Operation: 36/18=2 Exploring Operation: 36-18=18, Resulting Numbers: [41, 18] Generated Node #0,0,2: 80:[41, 18] Operation: 36-18=18 Exploring Operation: 41-18=23, Resulting Numbers: [36, 23] Generated Node #0,0,3: 80:[36, 23] Operation: 41-18=23 Exploring Operation: 36+41=77, Resulting Numbers: [18, 77] Generated Node #0,0,4: 80:[18, 77] Operation: 36+41=77 Moving to Node #0,3 Current State: 80:[49, 36, 5], Operations: ['90/18=5'] Exploring Operation: 49-36=13, Resulting Numbers: [5, 13] Generated Node #0,3,0: 80:[5, 13] Operation: 49-36=13 Exploring Operation: 49+36=85, Resulting Numbers: [5, 85] Generated Node #0,3,1: 80:[5, 85] Operation: 49+36=85 Exploring Operation: 49+5=54, Resulting Numbers: [36, 54] Generated Node #0,3,2: 80:[36, 54] Operation: 49+5=54 Exploring Operation: 49-5=44, Resulting Numbers: [36, 44] Generated Node #0,3,3: 80:[36, 44] Operation: 49-5=44 Exploring Operation: 36+5=41, Resulting Numbers: [49, 41] Generated Node #0,3,4: 80:[49, 41] Operation: 36+5=41 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 80:[5, 13], Operations: ['90/18=5', '49-36=13'] Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,80 unequal: No Solution Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,80 unequal: No Solution Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,80 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 #0,3,1 Current State: 80:[5, 85], Operations: ['90/18=5', '49+36=85'] Exploring Operation: 85/5=17, Resulting Numbers: [17] 17,80 unequal: No Solution Exploring Operation: 85-5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[49, 90, 18, 36], Operations: [] Exploring Operation: 90/18=5, Resulting Numbers: [49, 36, 5] Generated Node #0,3: 80:[49, 36, 5] Operation: 90/18=5 Moving to Node #0,3 Current State: 80:[49, 36, 5], Operations: ['90/18=5'] Exploring Operation: 49+36=85, Resulting Numbers: [5, 85] Generated Node #0,3,1: 80:[5, 85] Operation: 49+36=85 Moving to Node #0,3,1 Current State: 80:[5, 85], Operations: ['90/18=5', '49+36=85'] Exploring Operation: 85-5=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_5
sum_heuristic
[ 9, 21, 73, 24 ]
79
[ "9+21=30", "73-24=49", "30+49=79" ]
Current State: 79:[9, 21, 73, 24], Operations: [] Exploring Operation: 9+21=30, Resulting Numbers: [73, 24, 30] Generated Node #2: [73, 24, 30] from Operation: 9+21=30 Current State: 79:[73, 24, 30], Operations: ['9+21=30'] Exploring Operation: 73-24=49, Resulting Numbers: [30, 49] Generated Node #3: [30, 49] from Operation: 73-24=49 Current State: 79:[30, 49], Operations: ['9+21=30', '73-24=49'] Exploring Operation: 30+49=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[9, 21, 73, 24], Operations: [] Exploring Operation: 9+73=82, Resulting Numbers: [21, 24, 82] Generated Node #0,0: 79:[21, 24, 82] Operation: 9+73=82 Exploring Operation: 21+24=45, Resulting Numbers: [9, 73, 45] Generated Node #0,1: 79:[9, 73, 45] Operation: 21+24=45 Exploring Operation: 9+24=33, Resulting Numbers: [21, 73, 33] Generated Node #0,2: 79:[21, 73, 33] Operation: 9+24=33 Exploring Operation: 9+21=30, Resulting Numbers: [73, 24, 30] Generated Node #0,3: 79:[73, 24, 30] Operation: 9+21=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[9, 73, 45], Operations: ['21+24=45'] Exploring Operation: 73-9=64, Resulting Numbers: [45, 64] Generated Node #0,1,0: 79:[45, 64] Operation: 73-9=64 Exploring Operation: 45-9=36, Resulting Numbers: [73, 36] Generated Node #0,1,1: 79:[73, 36] Operation: 45-9=36 Exploring Operation: 9+45=54, Resulting Numbers: [73, 54] Generated Node #0,1,2: 79:[73, 54] Operation: 9+45=54 Exploring Operation: 9+73=82, Resulting Numbers: [45, 82] Generated Node #0,1,3: 79:[45, 82] Operation: 9+73=82 Moving to Node #0,1,2 Current State: 79:[73, 54], Operations: ['21+24=45', '9+45=54'] Exploring Operation: 73-54=19, Resulting Numbers: [19] 19,79 unequal: No Solution Exploring Operation: 73+54=127, Resulting Numbers: [127] 127,79 unequal: No Solution Exploring Operation: 73*54=3942, Resulting Numbers: [3942] 3942,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[45, 82], Operations: ['21+24=45', '9+73=82'] Exploring Operation: 45+82=127, Resulting Numbers: [127] 127,79 unequal: No Solution Exploring Operation: 82-45=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 45*82=3690, Resulting Numbers: [3690] 3690,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[73, 36], Operations: ['21+24=45', '45-9=36'] Exploring Operation: 73-36=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 73+36=109, Resulting Numbers: [109] 109,79 unequal: No Solution Exploring Operation: 73*36=2628, Resulting Numbers: [2628] 2628,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[45, 64], Operations: ['21+24=45', '73-9=64'] Exploring Operation: 45+64=109, Resulting Numbers: [109] 109,79 unequal: No Solution Exploring Operation: 45*64=2880, Resulting Numbers: [2880] 2880,79 unequal: No Solution Exploring Operation: 64-45=19, Resulting Numbers: [19] 19,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[21, 73, 33], Operations: ['9+24=33'] Exploring Operation: 21+33=54, Resulting Numbers: [73, 54] Generated Node #0,2,0: 79:[73, 54] Operation: 21+33=54 Exploring Operation: 73-21=52, Resulting Numbers: [33, 52] Generated Node #0,2,1: 79:[33, 52] Operation: 73-21=52 Exploring Operation: 21+73=94, Resulting Numbers: [33, 94] Generated Node #0,2,2: 79:[33, 94] Operation: 21+73=94 Exploring Operation: 33-21=12, Resulting Numbers: [73, 12] Generated Node #0,2,3: 79:[73, 12] Operation: 33-21=12 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[73, 54], Operations: ['9+24=33', '21+33=54'] Exploring Operation: 73-54=19, Resulting Numbers: [19] 19,79 unequal: No Solution Exploring Operation: 73*54=3942, Resulting Numbers: [3942] 3942,79 unequal: No Solution Exploring Operation: 73+54=127, Resulting Numbers: [127] 127,79 unequal: No Solution No 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: 79:[33, 94], Operations: ['9+24=33', '21+73=94'] Exploring Operation: 94-33=61, Resulting Numbers: [61] 61,79 unequal: No Solution Exploring Operation: 33*94=3102, Resulting Numbers: [3102] 3102,79 unequal: No Solution Exploring Operation: 33+94=127, Resulting Numbers: [127] 127,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[33, 52], Operations: ['9+24=33', '73-21=52'] Exploring Operation: 33+52=85, Resulting Numbers: [85] 85,79 unequal: No Solution Exploring Operation: 33*52=1716, Resulting Numbers: [1716] 1716,79 unequal: No Solution Exploring Operation: 52-33=19, Resulting Numbers: [19] 19,79 unequal: No Solution No 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: 79:[73, 12], Operations: ['9+24=33', '33-21=12'] Exploring Operation: 73+12=85, Resulting Numbers: [85] 85,79 unequal: No Solution Exploring Operation: 73*12=876, Resulting Numbers: [876] 876,79 unequal: No Solution Exploring Operation: 73-12=61, Resulting Numbers: [61] 61,79 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: 79:[73, 24, 30], Operations: ['9+21=30'] Exploring Operation: 73+24=97, Resulting Numbers: [30, 97] Generated Node #0,3,0: 79:[30, 97] Operation: 73+24=97 Exploring Operation: 73-24=49, Resulting Numbers: [30, 49] Generated Node #0,3,1: 79:[30, 49] Operation: 73-24=49 Exploring Operation: 24+30=54, Resulting Numbers: [73, 54] Generated Node #0,3,2: 79:[73, 54] Operation: 24+30=54 Exploring Operation: 73+30=103, Resulting Numbers: [24, 103] Generated Node #0,3,3: 79:[24, 103] Operation: 73+30=103 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 79:[73, 54], Operations: ['9+21=30', '24+30=54'] Exploring Operation: 73*54=3942, Resulting Numbers: [3942] 3942,79 unequal: No Solution Exploring Operation: 73+54=127, Resulting Numbers: [127] 127,79 unequal: No Solution Exploring Operation: 73-54=19, Resulting Numbers: [19] 19,79 unequal: No Solution No 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: 79:[30, 97], Operations: ['9+21=30', '73+24=97'] Exploring Operation: 97-30=67, Resulting Numbers: [67] 67,79 unequal: No Solution Exploring Operation: 30*97=2910, Resulting Numbers: [2910] 2910,79 unequal: No Solution Exploring Operation: 30+97=127, Resulting Numbers: [127] 127,79 unequal: No Solution No 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: 79:[30, 49], Operations: ['9+21=30', '73-24=49'] Exploring Operation: 30*49=1470, Resulting Numbers: [1470] 1470,79 unequal: No Solution Exploring Operation: 30+49=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[9, 21, 73, 24], Operations: [] Exploring Operation: 9+21=30, Resulting Numbers: [73, 24, 30] Generated Node #0,3: 79:[73, 24, 30] Operation: 9+21=30 Moving to Node #0,3 Current State: 79:[73, 24, 30], Operations: ['9+21=30'] Exploring Operation: 73-24=49, Resulting Numbers: [30, 49] Generated Node #0,3,1: 79:[30, 49] Operation: 73-24=49 Moving to Node #0,3,1 Current State: 79:[30, 49], Operations: ['9+21=30', '73-24=49'] Exploring Operation: 30+49=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.954861
hs_4
mult_heuristic
[ 55, 3, 85, 54 ]
12
[ "85-55=30", "54/3=18", "30-18=12" ]
Current State: 12:[55, 3, 85, 54], Operations: [] Exploring Operation: 85-55=30, Resulting Numbers: [3, 54, 30] Generated Node #2: [3, 54, 30] from Operation: 85-55=30 Current State: 12:[3, 54, 30], Operations: ['85-55=30'] Exploring Operation: 54/3=18, Resulting Numbers: [30, 18] Generated Node #3: [30, 18] from Operation: 54/3=18 Current State: 12:[30, 18], Operations: ['85-55=30', '54/3=18'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[55, 3, 85, 54], Operations: [] Exploring Operation: 85-55=30, Resulting Numbers: [3, 54, 30] Generated Node #0,0: 12:[3, 54, 30] Operation: 85-55=30 Exploring Operation: 55-54=1, Resulting Numbers: [3, 85, 1] Generated Node #0,1: 12:[3, 85, 1] Operation: 55-54=1 Exploring Operation: 85-54=31, Resulting Numbers: [55, 3, 31] Generated Node #0,2: 12:[55, 3, 31] Operation: 85-54=31 Exploring Operation: 54/3=18, Resulting Numbers: [55, 85, 18] Generated Node #0,3: 12:[55, 85, 18] Operation: 54/3=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[3, 54, 30], Operations: ['85-55=30'] Exploring Operation: 54-3=51, Resulting Numbers: [30, 51] Generated Node #0,0,0: 12:[30, 51] Operation: 54-3=51 Exploring Operation: 30/3=10, Resulting Numbers: [54, 10] Generated Node #0,0,1: 12:[54, 10] Operation: 30/3=10 Exploring Operation: 54/3=18, Resulting Numbers: [30, 18] Generated Node #0,0,2: 12:[30, 18] Operation: 54/3=18 Exploring Operation: 54-30=24, Resulting Numbers: [3, 24] Generated Node #0,0,3: 12:[3, 24] Operation: 54-30=24 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 12:[3, 24], Operations: ['85-55=30', '54-30=24'] Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,12 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,12 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,12 unequal: No Solution No 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: 12:[30, 18], Operations: ['85-55=30', '54/3=18'] Exploring Operation: 30*18=540, Resulting Numbers: [540] 540,12 unequal: No Solution Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[55, 3, 85, 54], Operations: [] Exploring Operation: 85-55=30, Resulting Numbers: [3, 54, 30] Generated Node #0,0: 12:[3, 54, 30] Operation: 85-55=30 Moving to Node #0,0 Current State: 12:[3, 54, 30], Operations: ['85-55=30'] Exploring Operation: 54/3=18, Resulting Numbers: [30, 18] Generated Node #0,0,2: 12:[30, 18] Operation: 54/3=18 Moving to Node #0,0,2 Current State: 12:[30, 18], Operations: ['85-55=30', '54/3=18'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 41, 51, 18, 74 ]
66
[ "51-41=10", "74-18=56", "10+56=66" ]
Current State: 66:[41, 51, 18, 74], Operations: [] Exploring Operation: 51-41=10, Resulting Numbers: [18, 74, 10] Generated Node #2: [18, 74, 10] from Operation: 51-41=10 Current State: 66:[18, 74, 10], Operations: ['51-41=10'] Exploring Operation: 74-18=56, Resulting Numbers: [10, 56] Generated Node #3: [10, 56] from Operation: 74-18=56 Current State: 66:[10, 56], Operations: ['51-41=10', '74-18=56'] Exploring Operation: 10+56=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[41, 51, 18, 74], Operations: [] Exploring Operation: 51-41=10, Resulting Numbers: [18, 74, 10] Generated Node #0,0: 66:[18, 74, 10] Operation: 51-41=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[18, 74, 10], Operations: ['51-41=10'] Exploring Operation: 74-10=64, Resulting Numbers: [18, 64] Generated Node #0,0,0: 66:[18, 64] Operation: 74-10=64 Moving to Node #0,0,0 Current State: 66:[18, 64], Operations: ['51-41=10', '74-10=64'] Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,66 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
[ 21, 63, 50, 54 ]
12
[ "63/21=3", "54-50=4", "3*4=12" ]
Current State: 12:[21, 63, 50, 54], Operations: [] Exploring Operation: 63/21=3, Resulting Numbers: [50, 54, 3] Generated Node #2: [50, 54, 3] from Operation: 63/21=3 Current State: 12:[50, 54, 3], Operations: ['63/21=3'] Exploring Operation: 54-50=4, Resulting Numbers: [3, 4] Generated Node #3: [3, 4] from Operation: 54-50=4 Current State: 12:[3, 4], Operations: ['63/21=3', '54-50=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[21, 63, 50, 54], Operations: [] Exploring Operation: 63/21=3, Resulting Numbers: [50, 54, 3] Generated Node #0,0: 12:[50, 54, 3] Operation: 63/21=3 Exploring Operation: 54-50=4, Resulting Numbers: [21, 63, 4] Generated Node #0,1: 12:[21, 63, 4] Operation: 54-50=4 Exploring Operation: 63-50=13, Resulting Numbers: [21, 54, 13] Generated Node #0,2: 12:[21, 54, 13] Operation: 63-50=13 Exploring Operation: 63-54=9, Resulting Numbers: [21, 50, 9] Generated Node #0,3: 12:[21, 50, 9] Operation: 63-54=9 Moving to Node #0,3 Current State: 12:[21, 50, 9], Operations: ['63-54=9'] Exploring Operation: 50-21=29, Resulting Numbers: [9, 29] Generated Node #0,3,0: 12:[9, 29] Operation: 50-21=29 Exploring Operation: 21+9=30, Resulting Numbers: [50, 30] Generated Node #0,3,1: 12:[50, 30] Operation: 21+9=30 Exploring Operation: 21-9=12, Resulting Numbers: [50, 12] Generated Node #0,3,2: 12:[50, 12] Operation: 21-9=12 Exploring Operation: 50-9=41, Resulting Numbers: [21, 41] Generated Node #0,3,3: 12:[21, 41] Operation: 50-9=41 Moving to Node #0,2 Current State: 12:[21, 54, 13], Operations: ['63-50=13'] Exploring Operation: 54-13=41, Resulting Numbers: [21, 41] Generated Node #0,2,0: 12:[21, 41] Operation: 54-13=41 Exploring Operation: 54-21=33, Resulting Numbers: [13, 33] Generated Node #0,2,1: 12:[13, 33] Operation: 54-21=33 Exploring Operation: 21-13=8, Resulting Numbers: [54, 8] Generated Node #0,2,2: 12:[54, 8] Operation: 21-13=8 Exploring Operation: 21+54=75, Resulting Numbers: [13, 75] Generated Node #0,2,3: 12:[13, 75] Operation: 21+54=75 Moving to Node #0,1 Current State: 12:[21, 63, 4], Operations: ['54-50=4'] Exploring Operation: 21-4=17, Resulting Numbers: [63, 17] Generated Node #0,1,0: 12:[63, 17] Operation: 21-4=17 Exploring Operation: 63/21=3, Resulting Numbers: [4, 3] Generated Node #0,1,1: 12:[4, 3] Operation: 63/21=3 Exploring Operation: 63-21=42, Resulting Numbers: [4, 42] Generated Node #0,1,2: 12:[4, 42] Operation: 63-21=42 Exploring Operation: 63-4=59, Resulting Numbers: [21, 59] Generated Node #0,1,3: 12:[21, 59] Operation: 63-4=59 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[4, 3], Operations: ['54-50=4', '63/21=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,12 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[21, 63, 50, 54], Operations: [] Exploring Operation: 54-50=4, Resulting Numbers: [21, 63, 4] Generated Node #0,1: 12:[21, 63, 4] Operation: 54-50=4 Moving to Node #0,1 Current State: 12:[21, 63, 4], Operations: ['54-50=4'] Exploring Operation: 63/21=3, Resulting Numbers: [4, 3] Generated Node #0,1,1: 12:[4, 3] Operation: 63/21=3 Moving to Node #0,1,1 Current State: 12:[4, 3], Operations: ['54-50=4', '63/21=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 2, 4, 77, 96 ]
58
[ "4-2=2", "77*2=154", "154-96=58" ]
Current State: 58:[2, 4, 77, 96], Operations: [] Exploring Operation: 4-2=2, Resulting Numbers: [77, 96, 2] Generated Node #2: [77, 96, 2] from Operation: 4-2=2 Current State: 58:[77, 96, 2], Operations: ['4-2=2'] Exploring Operation: 77*2=154, Resulting Numbers: [96, 154] Generated Node #3: [96, 154] from Operation: 77*2=154 Current State: 58:[96, 154], Operations: ['4-2=2', '77*2=154'] Exploring Operation: 154-96=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[2, 4, 77, 96], Operations: [] Exploring Operation: 96/4=24, Resulting Numbers: [2, 77, 24] Generated Node #0,0: 58:[2, 77, 24] Operation: 96/4=24 Exploring Operation: 96/2=48, Resulting Numbers: [4, 77, 48] Generated Node #0,1: 58:[4, 77, 48] Operation: 96/2=48 Exploring Operation: 96-77=19, Resulting Numbers: [2, 4, 19] Generated Node #0,2: 58:[2, 4, 19] Operation: 96-77=19 Moving to Node #0,2 Current State: 58:[2, 4, 19], Operations: ['96-77=19'] Exploring Operation: 4/2=2, Resulting Numbers: [19, 2] Generated Node #0,2,0: 58:[19, 2] Operation: 4/2=2 Exploring Operation: 4+19=23, Resulting Numbers: [2, 23] Generated Node #0,2,1: 58:[2, 23] Operation: 4+19=23 Exploring Operation: 4-2=2, Resulting Numbers: [19, 2] Generated Node #0,2,2: 58:[19, 2] Operation: 4-2=2 Moving to Node #0,0 Current State: 58:[2, 77, 24], Operations: ['96/4=24'] Exploring Operation: 77-2=75, Resulting Numbers: [24, 75] Generated Node #0,0,0: 58:[24, 75] Operation: 77-2=75 Exploring Operation: 77-24=53, Resulting Numbers: [2, 53] Generated Node #0,0,1: 58:[2, 53] Operation: 77-24=53 Exploring Operation: 2+24=26, Resulting Numbers: [77, 26] Generated Node #0,0,2: 58:[77, 26] Operation: 2+24=26 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[2, 53], Operations: ['96/4=24', '77-24=53'] Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,58 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,58 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[24, 75], Operations: ['96/4=24', '77-2=75'] Exploring Operation: 24*75=1800, Resulting Numbers: [1800] 1800,58 unequal: No Solution Exploring Operation: 75-24=51, Resulting Numbers: [51] 51,58 unequal: No Solution Exploring Operation: 24+75=99, Resulting Numbers: [99] 99,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 58:[77, 26], Operations: ['96/4=24', '2+24=26'] Exploring Operation: 77*26=2002, Resulting Numbers: [2002] 2002,58 unequal: No Solution Exploring Operation: 77+26=103, Resulting Numbers: [103] 103,58 unequal: No Solution Exploring Operation: 77-26=51, Resulting Numbers: [51] 51,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 58:[4, 77, 48], Operations: ['96/2=48'] Exploring Operation: 4+48=52, Resulting Numbers: [77, 52] Generated Node #0,1,0: 58:[77, 52] Operation: 4+48=52 Exploring Operation: 77-4=73, Resulting Numbers: [48, 73] Generated Node #0,1,1: 58:[48, 73] Operation: 77-4=73 Exploring Operation: 77-48=29, Resulting Numbers: [4, 29] Generated Node #0,1,2: 58:[4, 29] Operation: 77-48=29 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 58:[4, 29], Operations: ['96/2=48', '77-48=29'] Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,58 unequal: No Solution Exploring Operation: 4*29=116, Resulting Numbers: [116] 116,58 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:[77, 52], Operations: ['96/2=48', '4+48=52'] Exploring Operation: 77*52=4004, Resulting Numbers: [4004] 4004,58 unequal: No Solution Exploring Operation: 77+52=129, Resulting Numbers: [129] 129,58 unequal: No Solution Exploring Operation: 77-52=25, Resulting Numbers: [25] 25,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 58:[48, 73], Operations: ['96/2=48', '77-4=73'] Exploring Operation: 73-48=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 48*73=3504, Resulting Numbers: [3504] 3504,58 unequal: No Solution Exploring Operation: 48+73=121, Resulting Numbers: [121] 121,58 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: 58:[2, 23], Operations: ['96-77=19', '4+19=23'] Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,58 unequal: No Solution Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,58 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,58 unequal: No Solution Moving to Node #0,2,0 Current State: 58:[19, 2], Operations: ['96-77=19', '4/2=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,58 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,58 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,58 unequal: No Solution Moving to Node #0,2,2 Current State: 58:[19, 2], Operations: ['96-77=19', '4-2=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,58 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,58 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 7, 76, 3, 4 ]
90
[ "7+76=83", "3+4=7", "83+7=90" ]
Current State: 90:[7, 76, 3, 4], Operations: [] Exploring Operation: 7+76=83, Resulting Numbers: [3, 4, 83] Generated Node #2: [3, 4, 83] from Operation: 7+76=83 Current State: 90:[3, 4, 83], Operations: ['7+76=83'] Exploring Operation: 3+4=7, Resulting Numbers: [83, 7] Generated Node #3: [83, 7] from Operation: 3+4=7 Current State: 90:[83, 7], Operations: ['7+76=83', '3+4=7'] Exploring Operation: 83+7=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[7, 76, 3, 4], Operations: [] Exploring Operation: 76/4=19, Resulting Numbers: [7, 3, 19] Generated Node #0,0: 90:[7, 3, 19] Operation: 76/4=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[7, 3, 19], Operations: ['76/4=19'] Exploring Operation: 7+3=10, Resulting Numbers: [19, 10] Generated Node #0,0,0: 90:[19, 10] Operation: 7+3=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[19, 10], Operations: ['76/4=19', '7+3=10'] Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,90 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
[ 60, 17, 20, 23 ]
86
[ "60-17=43", "20+23=43", "43+43=86" ]
Current State: 86:[60, 17, 20, 23], Operations: [] Exploring Operation: 60-17=43, Resulting Numbers: [20, 23, 43] Generated Node #2: [20, 23, 43] from Operation: 60-17=43 Current State: 86:[20, 23, 43], Operations: ['60-17=43'] Exploring Operation: 20+23=43, Resulting Numbers: [43, 43] Generated Node #3: [43, 43] from Operation: 20+23=43 Current State: 86:[43, 43], Operations: ['60-17=43', '20+23=43'] Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[60, 17, 20, 23], Operations: [] Exploring Operation: 23-20=3, Resulting Numbers: [60, 17, 3] Generated Node #0,0: 86:[60, 17, 3] Operation: 23-20=3 Exploring Operation: 20+23=43, Resulting Numbers: [60, 17, 43] Generated Node #0,1: 86:[60, 17, 43] Operation: 20+23=43 Exploring Operation: 60/20=3, Resulting Numbers: [17, 23, 3] Generated Node #0,2: 86:[17, 23, 3] Operation: 60/20=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[60, 17, 43], Operations: ['20+23=43'] Exploring Operation: 60-43=17, Resulting Numbers: [17, 17] Generated Node #0,1,0: 86:[17, 17] Operation: 60-43=17 Exploring Operation: 60-17=43, Resulting Numbers: [43, 43] Generated Node #0,1,1: 86:[43, 43] Operation: 60-17=43 Exploring Operation: 60+17=77, Resulting Numbers: [43, 77] Generated Node #0,1,2: 86:[43, 77] Operation: 60+17=77 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 86:[43, 43], Operations: ['20+23=43', '60-17=43'] Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[60, 17, 20, 23], Operations: [] Exploring Operation: 20+23=43, Resulting Numbers: [60, 17, 43] Generated Node #0,1: 86:[60, 17, 43] Operation: 20+23=43 Moving to Node #0,1 Current State: 86:[60, 17, 43], Operations: ['20+23=43'] Exploring Operation: 60-17=43, Resulting Numbers: [43, 43] Generated Node #0,1,1: 86:[43, 43] Operation: 60-17=43 Moving to Node #0,1,1 Current State: 86:[43, 43], Operations: ['20+23=43', '60-17=43'] Exploring Operation: 43+43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 21, 47, 9, 21 ]
57
[ "21/21=1", "47+9=56", "1+56=57" ]
Current State: 57:[21, 47, 9, 21], Operations: [] Exploring Operation: 21/21=1, Resulting Numbers: [47, 9, 1] Generated Node #2: [47, 9, 1] from Operation: 21/21=1 Current State: 57:[47, 9, 1], Operations: ['21/21=1'] Exploring Operation: 47+9=56, Resulting Numbers: [1, 56] Generated Node #3: [1, 56] from Operation: 47+9=56 Current State: 57:[1, 56], Operations: ['21/21=1', '47+9=56'] Exploring Operation: 1+56=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[21, 47, 9, 21], Operations: [] Exploring Operation: 21+47=68, Resulting Numbers: [9, 21, 68] Generated Node #0,0: 57:[9, 21, 68] Operation: 21+47=68 Exploring Operation: 47-21=26, Resulting Numbers: [21, 9, 26] Generated Node #0,1: 57:[21, 9, 26] Operation: 47-21=26 Exploring Operation: 47-21=26, Resulting Numbers: [9, 21, 26] Generated Node #0,2: 57:[9, 21, 26] Operation: 47-21=26 Exploring Operation: 47+9=56, Resulting Numbers: [21, 21, 56] Generated Node #0,3: 57:[21, 21, 56] Operation: 47+9=56 Exploring Operation: 21/21=1, Resulting Numbers: [47, 9, 1] Generated Node #0,4: 57:[47, 9, 1] Operation: 21/21=1 Moving to Node #0,3 Current State: 57:[21, 21, 56], Operations: ['47+9=56'] Exploring Operation: 21/21=1, Resulting Numbers: [56, 1] Generated Node #0,3,0: 57:[56, 1] Operation: 21/21=1 Exploring Operation: 56-21=35, Resulting Numbers: [21, 35] Generated Node #0,3,1: 57:[21, 35] Operation: 56-21=35 Exploring Operation: 56-21=35, Resulting Numbers: [21, 35] Generated Node #0,3,2: 57:[21, 35] Operation: 56-21=35 Exploring Operation: 21+21=42, Resulting Numbers: [56, 42] Generated Node #0,3,3: 57:[56, 42] Operation: 21+21=42 Exploring Operation: 21-21=0, Resulting Numbers: [56, 0] Generated Node #0,3,4: 57:[56, 0] Operation: 21-21=0 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 57:[56, 1], Operations: ['47+9=56', '21/21=1'] Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,57 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[21, 47, 9, 21], Operations: [] Exploring Operation: 47+9=56, Resulting Numbers: [21, 21, 56] Generated Node #0,3: 57:[21, 21, 56] Operation: 47+9=56 Moving to Node #0,3 Current State: 57:[21, 21, 56], Operations: ['47+9=56'] Exploring Operation: 21/21=1, Resulting Numbers: [56, 1] Generated Node #0,3,0: 57:[56, 1] Operation: 21/21=1 Moving to Node #0,3,0 Current State: 57:[56, 1], Operations: ['47+9=56', '21/21=1'] Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 45, 33, 60, 84 ]
12
[ "45-33=12", "60+84=144", "144/12=12" ]
Current State: 12:[45, 33, 60, 84], Operations: [] Exploring Operation: 45-33=12, Resulting Numbers: [60, 84, 12] Generated Node #2: [60, 84, 12] from Operation: 45-33=12 Current State: 12:[60, 84, 12], Operations: ['45-33=12'] Exploring Operation: 60+84=144, Resulting Numbers: [12, 144] Generated Node #3: [12, 144] from Operation: 60+84=144 Current State: 12:[12, 144], Operations: ['45-33=12', '60+84=144'] Exploring Operation: 144/12=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[45, 33, 60, 84], Operations: [] Exploring Operation: 84-45=39, Resulting Numbers: [33, 60, 39] Generated Node #0,0: 12:[33, 60, 39] Operation: 84-45=39 Exploring Operation: 60-45=15, Resulting Numbers: [33, 84, 15] Generated Node #0,1: 12:[33, 84, 15] Operation: 60-45=15 Exploring Operation: 84-60=24, Resulting Numbers: [45, 33, 24] Generated Node #0,2: 12:[45, 33, 24] Operation: 84-60=24 Start Sub Search at level 1: Moving to Node #0,2 Current State: 12:[45, 33, 24], Operations: ['84-60=24'] Exploring Operation: 45-33=12, Resulting Numbers: [24, 12] Generated Node #0,2,0: 12:[24, 12] Operation: 45-33=12 Exploring Operation: 45-24=21, Resulting Numbers: [33, 21] Generated Node #0,2,1: 12:[33, 21] Operation: 45-24=21 Exploring Operation: 33-24=9, Resulting Numbers: [45, 9] Generated Node #0,2,2: 12:[45, 9] Operation: 33-24=9 Moving to Node #0,2,0 Current State: 12:[24, 12], Operations: ['84-60=24', '45-33=12'] Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,12 unequal: No Solution Exploring Operation: 24+12=36, Resulting Numbers: [36] 36,12 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[45, 33, 60, 84], Operations: [] Exploring Operation: 84-60=24, Resulting Numbers: [45, 33, 24] Generated Node #0,2: 12:[45, 33, 24] Operation: 84-60=24 Moving to Node #0,2 Current State: 12:[45, 33, 24], Operations: ['84-60=24'] Exploring Operation: 45-33=12, Resulting Numbers: [24, 12] Generated Node #0,2,0: 12:[24, 12] Operation: 45-33=12 Moving to Node #0,2,0 Current State: 12:[24, 12], Operations: ['84-60=24', '45-33=12'] Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 11, 5, 3, 70 ]
19
[ "11*3=33", "70/5=14", "33-14=19" ]
Current State: 19:[11, 5, 3, 70], Operations: [] Exploring Operation: 11*3=33, Resulting Numbers: [5, 70, 33] Generated Node #2: [5, 70, 33] from Operation: 11*3=33 Current State: 19:[5, 70, 33], Operations: ['11*3=33'] Exploring Operation: 70/5=14, Resulting Numbers: [33, 14] Generated Node #3: [33, 14] from Operation: 70/5=14 Current State: 19:[33, 14], Operations: ['11*3=33', '70/5=14'] Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[11, 5, 3, 70], Operations: [] Exploring Operation: 70/5=14, Resulting Numbers: [11, 3, 14] Generated Node #0,0: 19:[11, 3, 14] Operation: 70/5=14 Moving to Node #0,0 Current State: 19:[11, 3, 14], Operations: ['70/5=14'] Exploring Operation: 11+3=14, Resulting Numbers: [14, 14] Generated Node #0,0,0: 19:[14, 14] Operation: 11+3=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[14, 14], Operations: ['70/5=14', '11+3=14'] Exploring Operation: 14+14=28, Resulting Numbers: [28] 28,19 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
[ 14, 32, 3, 22 ]
96
[ "14*3=42", "32+22=54", "42+54=96" ]
Current State: 96:[14, 32, 3, 22], Operations: [] Exploring Operation: 14*3=42, Resulting Numbers: [32, 22, 42] Generated Node #2: [32, 22, 42] from Operation: 14*3=42 Current State: 96:[32, 22, 42], Operations: ['14*3=42'] Exploring Operation: 32+22=54, Resulting Numbers: [42, 54] Generated Node #3: [42, 54] from Operation: 32+22=54 Current State: 96:[42, 54], Operations: ['14*3=42', '32+22=54'] Exploring Operation: 42+54=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[14, 32, 3, 22], Operations: [] Exploring Operation: 22-14=8, Resulting Numbers: [32, 3, 8] Generated Node #0,0: 96:[32, 3, 8] Operation: 22-14=8 Exploring Operation: 3+22=25, Resulting Numbers: [14, 32, 25] Generated Node #0,1: 96:[14, 32, 25] Operation: 3+22=25 Exploring Operation: 14+32=46, Resulting Numbers: [3, 22, 46] Generated Node #0,2: 96:[3, 22, 46] Operation: 14+32=46 Exploring Operation: 14+3=17, Resulting Numbers: [32, 22, 17] Generated Node #0,3: 96:[32, 22, 17] Operation: 14+3=17 Exploring Operation: 14-3=11, Resulting Numbers: [32, 22, 11] Generated Node #0,4: 96:[32, 22, 11] Operation: 14-3=11 Moving to Node #0,0 Current State: 96:[32, 3, 8], Operations: ['22-14=8'] Exploring Operation: 32-8=24, Resulting Numbers: [3, 24] Generated Node #0,0,0: 96:[3, 24] Operation: 32-8=24 Exploring Operation: 32*3=96, Resulting Numbers: [8, 96] Generated Node #0,0,1: 96:[8, 96] Operation: 32*3=96 Exploring Operation: 3*8=24, Resulting Numbers: [32, 24] Generated Node #0,0,2: 96:[32, 24] Operation: 3*8=24 Exploring Operation: 32/8=4, Resulting Numbers: [3, 4] Generated Node #0,0,3: 96:[3, 4] Operation: 32/8=4 Exploring Operation: 3+8=11, Resulting Numbers: [32, 11] Generated Node #0,0,4: 96:[32, 11] Operation: 3+8=11 Moving to Node #0,3 Current State: 96:[32, 22, 17], Operations: ['14+3=17'] Exploring Operation: 32-22=10, Resulting Numbers: [17, 10] Generated Node #0,3,0: 96:[17, 10] Operation: 32-22=10 Exploring Operation: 32+22=54, Resulting Numbers: [17, 54] Generated Node #0,3,1: 96:[17, 54] Operation: 32+22=54 Exploring Operation: 32-17=15, Resulting Numbers: [22, 15] Generated Node #0,3,2: 96:[22, 15] Operation: 32-17=15 Exploring Operation: 22-17=5, Resulting Numbers: [32, 5] Generated Node #0,3,3: 96:[32, 5] Operation: 22-17=5 Exploring Operation: 32+17=49, Resulting Numbers: [22, 49] Generated Node #0,3,4: 96:[22, 49] Operation: 32+17=49 Moving to Node #0,1 Current State: 96:[14, 32, 25], Operations: ['3+22=25'] Exploring Operation: 14+25=39, Resulting Numbers: [32, 39] Generated Node #0,1,0: 96:[32, 39] Operation: 14+25=39 Exploring Operation: 32-14=18, Resulting Numbers: [25, 18] Generated Node #0,1,1: 96:[25, 18] Operation: 32-14=18 Exploring Operation: 32-25=7, Resulting Numbers: [14, 7] Generated Node #0,1,2: 96:[14, 7] Operation: 32-25=7 Exploring Operation: 14+32=46, Resulting Numbers: [25, 46] Generated Node #0,1,3: 96:[25, 46] Operation: 14+32=46 Exploring Operation: 25-14=11, Resulting Numbers: [32, 11] Generated Node #0,1,4: 96:[32, 11] Operation: 25-14=11 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 96:[32, 11], Operations: ['3+22=25', '25-14=11'] Exploring Operation: 32*11=352, Resulting Numbers: [352] 352,96 unequal: No Solution Exploring Operation: 32+11=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 96:[25, 18], Operations: ['3+22=25', '32-14=18'] Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 25+18=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 25*18=450, Resulting Numbers: [450] 450,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 96:[14, 7], Operations: ['3+22=25', '32-25=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,96 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 96:[25, 46], Operations: ['3+22=25', '14+32=46'] Exploring Operation: 25+46=71, Resulting Numbers: [71] 71,96 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 25*46=1150, Resulting Numbers: [1150] 1150,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 96:[32, 39], Operations: ['3+22=25', '14+25=39'] Exploring Operation: 32*39=1248, Resulting Numbers: [1248] 1248,96 unequal: No Solution Exploring Operation: 32+39=71, Resulting Numbers: [71] 71,96 unequal: No Solution Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,96 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: 96:[32, 22, 11], Operations: ['14-3=11'] Exploring Operation: 32-22=10, Resulting Numbers: [11, 10] Generated Node #0,4,0: 96:[11, 10] Operation: 32-22=10 Exploring Operation: 22-11=11, Resulting Numbers: [32, 11] Generated Node #0,4,1: 96:[32, 11] Operation: 22-11=11 Exploring Operation: 22+11=33, Resulting Numbers: [32, 33] Generated Node #0,4,2: 96:[32, 33] Operation: 22+11=33 Exploring Operation: 32-11=21, Resulting Numbers: [22, 21] Generated Node #0,4,3: 96:[22, 21] Operation: 32-11=21 Exploring Operation: 22/11=2, Resulting Numbers: [32, 2] Generated Node #0,4,4: 96:[32, 2] Operation: 22/11=2 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 96:[32, 2], Operations: ['14-3=11', '22/11=2'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 32+2=34, Resulting Numbers: [34] 34,96 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 32*2=64, Resulting Numbers: [64] 64,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 96:[32, 11], Operations: ['14-3=11', '22-11=11'] Exploring Operation: 32+11=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 32*11=352, Resulting Numbers: [352] 352,96 unequal: No Solution Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 96:[32, 33], Operations: ['14-3=11', '22+11=33'] Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,96 unequal: No Solution Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 96:[11, 10], Operations: ['14-3=11', '32-22=10'] Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,96 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 96:[22, 21], Operations: ['14-3=11', '32-11=21'] Exploring Operation: 22+21=43, Resulting Numbers: [43] 43,96 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 22*21=462, Resulting Numbers: [462] 462,96 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: 96:[3, 22, 46], Operations: ['14+32=46'] Exploring Operation: 46-3=43, Resulting Numbers: [22, 43] Generated Node #0,2,0: 96:[22, 43] Operation: 46-3=43 Exploring Operation: 3+22=25, Resulting Numbers: [46, 25] Generated Node #0,2,1: 96:[46, 25] Operation: 3+22=25 Exploring Operation: 22-3=19, Resulting Numbers: [46, 19] Generated Node #0,2,2: 96:[46, 19] Operation: 22-3=19 Exploring Operation: 3+46=49, Resulting Numbers: [22, 49] Generated Node #0,2,3: 96:[22, 49] Operation: 3+46=49 Exploring Operation: 46-22=24, Resulting Numbers: [3, 24] Generated Node #0,2,4: 96:[3, 24] Operation: 46-22=24 Moving to Node #0,0,0 Current State: 96:[3, 24], Operations: ['22-14=8', '32-8=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[32, 24], Operations: ['22-14=8', '3*8=24'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,96 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,96 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[8, 96], Operations: ['22-14=8', '32*3=96'] Exploring Operation: 8*96=768, Resulting Numbers: [768] 768,96 unequal: No Solution Exploring Operation: 96-8=88, Resulting Numbers: [88] 88,96 unequal: No Solution Exploring Operation: 96/8=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 8+96=104, Resulting Numbers: [104] 104,96 unequal: No Solution Moving to Node #0,2,4 Current State: 96:[3, 24], Operations: ['14+32=46', '46-22=24'] Exploring Operation: 3+24=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,96 unequal: No Solution Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,96 unequal: No Solution Moving to Node #0,0,3 Current State: 96:[3, 4], Operations: ['22-14=8', '32/8=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,96 unequal: No Solution Moving to Node #0,3,3 Current State: 96:[32, 5], Operations: ['14+3=17', '22-17=5'] Exploring Operation: 32*5=160, Resulting Numbers: [160] 160,96 unequal: No Solution Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,96 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,96 unequal: No Solution Moving to Node #0,0,4 Current State: 96:[32, 11], Operations: ['22-14=8', '3+8=11'] Exploring Operation: 32-11=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 32*11=352, Resulting Numbers: [352] 352,96 unequal: No Solution Exploring Operation: 32+11=43, Resulting Numbers: [43] 43,96 unequal: No Solution Moving to Node #0,3,0 Current State: 96:[17, 10], Operations: ['14+3=17', '32-22=10'] Exploring Operation: 17+10=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 17*10=170, Resulting Numbers: [170] 170,96 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,96 unequal: No Solution Moving to Node #0,2,3 Current State: 96:[22, 49], Operations: ['14+32=46', '3+46=49'] Exploring Operation: 22*49=1078, Resulting Numbers: [1078] 1078,96 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 22+49=71, Resulting Numbers: [71] 71,96 unequal: No Solution Moving to Node #0,3,2 Current State: 96:[22, 15], Operations: ['14+3=17', '32-17=15'] Exploring Operation: 22+15=37, Resulting Numbers: [37] 37,96 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 22*15=330, Resulting Numbers: [330] 330,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[46, 25], Operations: ['14+32=46', '3+22=25'] Exploring Operation: 46*25=1150, Resulting Numbers: [1150] 1150,96 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,96 unequal: No Solution Moving to Node #0,3,4 Current State: 96:[22, 49], Operations: ['14+3=17', '32+17=49'] Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 22*49=1078, Resulting Numbers: [1078] 1078,96 unequal: No Solution Exploring Operation: 22+49=71, Resulting Numbers: [71] 71,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[46, 19], Operations: ['14+32=46', '22-3=19'] Exploring Operation: 46*19=874, Resulting Numbers: [874] 874,96 unequal: No Solution Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 46+19=65, Resulting Numbers: [65] 65,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[22, 43], Operations: ['14+32=46', '46-3=43'] Exploring Operation: 22*43=946, Resulting Numbers: [946] 946,96 unequal: No Solution Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 22+43=65, Resulting Numbers: [65] 65,96 unequal: No Solution Moving to Node #0,3,1 Current State: 96:[17, 54], Operations: ['14+3=17', '32+22=54'] Exploring Operation: 17*54=918, Resulting Numbers: [918] 918,96 unequal: No Solution Exploring Operation: 54-17=37, Resulting Numbers: [37] 37,96 unequal: No Solution Exploring Operation: 17+54=71, Resulting Numbers: [71] 71,96 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 45, 12, 1, 17 ]
41
[ "45+12=57", "17-1=16", "57-16=41" ]
Current State: 41:[45, 12, 1, 17], Operations: [] Exploring Operation: 45+12=57, Resulting Numbers: [1, 17, 57] Generated Node #2: [1, 17, 57] from Operation: 45+12=57 Current State: 41:[1, 17, 57], Operations: ['45+12=57'] Exploring Operation: 17-1=16, Resulting Numbers: [57, 16] Generated Node #3: [57, 16] from Operation: 17-1=16 Current State: 41:[57, 16], Operations: ['45+12=57', '17-1=16'] Exploring Operation: 57-16=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[45, 12, 1, 17], Operations: [] Exploring Operation: 12+1=13, Resulting Numbers: [45, 17, 13] Generated Node #0,0: 41:[45, 17, 13] Operation: 12+1=13 Exploring Operation: 1+17=18, Resulting Numbers: [45, 12, 18] Generated Node #0,1: 41:[45, 12, 18] Operation: 1+17=18 Exploring Operation: 12+17=29, Resulting Numbers: [45, 1, 29] Generated Node #0,2: 41:[45, 1, 29] Operation: 12+17=29 Exploring Operation: 45*1=45, Resulting Numbers: [12, 17, 45] Generated Node #0,3: 41:[12, 17, 45] Operation: 45*1=45 Exploring Operation: 45-1=44, Resulting Numbers: [12, 17, 44] Generated Node #0,4: 41:[12, 17, 44] Operation: 45-1=44 Moving to Node #0,0 Current State: 41:[45, 17, 13], Operations: ['12+1=13'] Exploring Operation: 17-13=4, Resulting Numbers: [45, 4] Generated Node #0,0,0: 41:[45, 4] Operation: 17-13=4 Exploring Operation: 45-13=32, Resulting Numbers: [17, 32] Generated Node #0,0,1: 41:[17, 32] Operation: 45-13=32 Exploring Operation: 17+13=30, Resulting Numbers: [45, 30] Generated Node #0,0,2: 41:[45, 30] Operation: 17+13=30 Exploring Operation: 45+13=58, Resulting Numbers: [17, 58] Generated Node #0,0,3: 41:[17, 58] Operation: 45+13=58 Exploring Operation: 45-17=28, Resulting Numbers: [13, 28] Generated Node #0,0,4: 41:[13, 28] Operation: 45-17=28 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 41:[45, 30], Operations: ['12+1=13', '17+13=30'] Exploring Operation: 45*30=1350, Resulting Numbers: [1350] 1350,41 unequal: No Solution Exploring Operation: 45+30=75, Resulting Numbers: [75] 75,41 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 41:[17, 32], Operations: ['12+1=13', '45-13=32'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,41 unequal: No Solution Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,41 unequal: No Solution Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[45, 4], Operations: ['12+1=13', '17-13=4'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[45, 12, 1, 17], Operations: [] Exploring Operation: 12+1=13, Resulting Numbers: [45, 17, 13] Generated Node #0,0: 41:[45, 17, 13] Operation: 12+1=13 Moving to Node #0,0 Current State: 41:[45, 17, 13], Operations: ['12+1=13'] Exploring Operation: 17-13=4, Resulting Numbers: [45, 4] Generated Node #0,0,0: 41:[45, 4] Operation: 17-13=4 Moving to Node #0,0,0 Current State: 41:[45, 4], Operations: ['12+1=13', '17-13=4'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 98, 80, 91, 73 ]
85
[ "80-73=7", "91/7=13", "98-13=85" ]
Current State: 85:[98, 80, 91, 73], Operations: [] Exploring Operation: 80-73=7, Resulting Numbers: [98, 91, 7] Generated Node #2: [98, 91, 7] from Operation: 80-73=7 Current State: 85:[98, 91, 7], Operations: ['80-73=7'] Exploring Operation: 91/7=13, Resulting Numbers: [98, 13] Generated Node #3: [98, 13] from Operation: 91/7=13 Current State: 85:[98, 13], Operations: ['80-73=7', '91/7=13'] Exploring Operation: 98-13=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[98, 80, 91, 73], Operations: [] Exploring Operation: 98-80=18, Resulting Numbers: [91, 73, 18] Generated Node #0,0: 85:[91, 73, 18] Operation: 98-80=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[91, 73, 18], Operations: ['98-80=18'] Exploring Operation: 91-73=18, Resulting Numbers: [18, 18] Generated Node #0,0,0: 85:[18, 18] Operation: 91-73=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[18, 18], Operations: ['98-80=18', '91-73=18'] Exploring Operation: 18/18=1, Resulting Numbers: [1] 1,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 2, 25, 94, 13 ]
100
[ "25-13=12", "12/2=6", "94+6=100" ]
Current State: 100:[2, 25, 94, 13], Operations: [] Exploring Operation: 25-13=12, Resulting Numbers: [2, 94, 12] Generated Node #2: [2, 94, 12] from Operation: 25-13=12 Current State: 100:[2, 94, 12], Operations: ['25-13=12'] Exploring Operation: 12/2=6, Resulting Numbers: [94, 6] Generated Node #3: [94, 6] from Operation: 12/2=6 Current State: 100:[94, 6], Operations: ['25-13=12', '12/2=6'] Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[2, 25, 94, 13], Operations: [] Exploring Operation: 94/2=47, Resulting Numbers: [25, 13, 47] Generated Node #0,0: 100:[25, 13, 47] Operation: 94/2=47 Exploring Operation: 94+13=107, Resulting Numbers: [2, 25, 107] Generated Node #0,1: 100:[2, 25, 107] Operation: 94+13=107 Exploring Operation: 2*13=26, Resulting Numbers: [25, 94, 26] Generated Node #0,2: 100:[25, 94, 26] Operation: 2*13=26 Exploring Operation: 2+94=96, Resulting Numbers: [25, 13, 96] Generated Node #0,3: 100:[25, 13, 96] Operation: 2+94=96 Exploring Operation: 13-2=11, Resulting Numbers: [25, 94, 11] Generated Node #0,4: 100:[25, 94, 11] Operation: 13-2=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[25, 13, 47], Operations: ['94/2=47'] Exploring Operation: 25-13=12, Resulting Numbers: [47, 12] Generated Node #0,0,0: 100:[47, 12] Operation: 25-13=12 Exploring Operation: 47-25=22, Resulting Numbers: [13, 22] Generated Node #0,0,1: 100:[13, 22] Operation: 47-25=22 Exploring Operation: 25+13=38, Resulting Numbers: [47, 38] Generated Node #0,0,2: 100:[47, 38] Operation: 25+13=38 Exploring Operation: 47-13=34, Resulting Numbers: [25, 34] Generated Node #0,0,3: 100:[25, 34] Operation: 47-13=34 Exploring Operation: 13+47=60, Resulting Numbers: [25, 60] Generated Node #0,0,4: 100:[25, 60] Operation: 13+47=60 Moving to Node #0,0,0 Current State: 100:[47, 12], Operations: ['94/2=47', '25-13=12'] Exploring Operation: 47-12=35, Resulting Numbers: [35] 35,100 unequal: No Solution Exploring Operation: 47+12=59, Resulting Numbers: [59] 59,100 unequal: No Solution Exploring Operation: 47*12=564, Resulting Numbers: [564] 564,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[13, 22], Operations: ['94/2=47', '47-25=22'] Exploring Operation: 13+22=35, Resulting Numbers: [35] 35,100 unequal: No Solution Exploring Operation: 22-13=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 13*22=286, Resulting Numbers: [286] 286,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[25, 34], Operations: ['94/2=47', '47-13=34'] Exploring Operation: 25*34=850, Resulting Numbers: [850] 850,100 unequal: No Solution Exploring Operation: 25+34=59, Resulting Numbers: [59] 59,100 unequal: No Solution Exploring Operation: 34-25=9, Resulting Numbers: [9] 9,100 unequal: No Solution Moving to Node #0,0,4 Current State: 100:[25, 60], Operations: ['94/2=47', '13+47=60'] Exploring Operation: 25+60=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 25*60=1500, Resulting Numbers: [1500] 1500,100 unequal: No Solution Exploring Operation: 60-25=35, Resulting Numbers: [35] 35,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[47, 38], Operations: ['94/2=47', '25+13=38'] Exploring Operation: 47-38=9, Resulting Numbers: [9] 9,100 unequal: No Solution Exploring Operation: 47+38=85, Resulting Numbers: [85] 85,100 unequal: No Solution Exploring Operation: 47*38=1786, Resulting Numbers: [1786] 1786,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[2, 25, 107], Operations: ['94+13=107'] Exploring Operation: 2+25=27, Resulting Numbers: [107, 27] Generated Node #0,1,0: 100:[107, 27] Operation: 2+25=27 Exploring Operation: 25-2=23, Resulting Numbers: [107, 23] Generated Node #0,1,1: 100:[107, 23] Operation: 25-2=23 Exploring Operation: 2*25=50, Resulting Numbers: [107, 50] Generated Node #0,1,2: 100:[107, 50] Operation: 2*25=50 Exploring Operation: 2+107=109, Resulting Numbers: [25, 109] Generated Node #0,1,3: 100:[25, 109] Operation: 2+107=109 Exploring Operation: 107-2=105, Resulting Numbers: [25, 105] Generated Node #0,1,4: 100:[25, 105] Operation: 107-2=105 Moving to Node #0,1,4 Current State: 100:[25, 105], Operations: ['94+13=107', '107-2=105'] Exploring Operation: 105-25=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 25*105=2625, Resulting Numbers: [2625] 2625,100 unequal: No Solution Exploring Operation: 25+105=130, Resulting Numbers: [130] 130,100 unequal: No Solution Moving to Node #0,1,2 Current State: 100:[107, 50], Operations: ['94+13=107', '2*25=50'] Exploring Operation: 107-50=57, Resulting Numbers: [57] 57,100 unequal: No Solution Exploring Operation: 107+50=157, Resulting Numbers: [157] 157,100 unequal: No Solution Exploring Operation: 107*50=5350, Resulting Numbers: [5350] 5350,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[107, 27], Operations: ['94+13=107', '2+25=27'] Exploring Operation: 107+27=134, Resulting Numbers: [134] 134,100 unequal: No Solution Exploring Operation: 107-27=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 107*27=2889, Resulting Numbers: [2889] 2889,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[107, 23], Operations: ['94+13=107', '25-2=23'] Exploring Operation: 107*23=2461, Resulting Numbers: [2461] 2461,100 unequal: No Solution Exploring Operation: 107-23=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 107+23=130, Resulting Numbers: [130] 130,100 unequal: No Solution Moving to Node #0,1,3 Current State: 100:[25, 109], Operations: ['94+13=107', '2+107=109'] Exploring Operation: 109-25=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 25+109=134, Resulting Numbers: [134] 134,100 unequal: No Solution Exploring Operation: 25*109=2725, Resulting Numbers: [2725] 2725,100 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 #0,2 Current State: 100:[25, 94, 26], Operations: ['2*13=26'] Exploring Operation: 25+26=51, Resulting Numbers: [94, 51] Generated Node #0,2,0: 100:[94, 51] Operation: 25+26=51 Exploring Operation: 26-25=1, Resulting Numbers: [94, 1] Generated Node #0,2,1: 100:[94, 1] Operation: 26-25=1 Exploring Operation: 94-25=69, Resulting Numbers: [26, 69] Generated Node #0,2,2: 100:[26, 69] Operation: 94-25=69 Exploring Operation: 94-26=68, Resulting Numbers: [25, 68] Generated Node #0,2,3: 100:[25, 68] Operation: 94-26=68 Exploring Operation: 25+94=119, Resulting Numbers: [26, 119] Generated Node #0,2,4: 100:[26, 119] Operation: 25+94=119 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 100:[94, 51], Operations: ['2*13=26', '25+26=51'] Exploring Operation: 94+51=145, Resulting Numbers: [145] 145,100 unequal: No Solution Exploring Operation: 94*51=4794, Resulting Numbers: [4794] 4794,100 unequal: No Solution Exploring Operation: 94-51=43, Resulting Numbers: [43] 43,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 100:[94, 1], Operations: ['2*13=26', '26-25=1'] Exploring Operation: 94*1=94, Resulting Numbers: [94] 94,100 unequal: No Solution Exploring Operation: 94+1=95, Resulting Numbers: [95] 95,100 unequal: No Solution Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,100 unequal: No Solution Exploring Operation: 94/1=94, Resulting Numbers: [94] 94,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 100:[25, 68], Operations: ['2*13=26', '94-26=68'] Exploring Operation: 25*68=1700, Resulting Numbers: [1700] 1700,100 unequal: No Solution Exploring Operation: 25+68=93, Resulting Numbers: [93] 93,100 unequal: No Solution Exploring Operation: 68-25=43, Resulting Numbers: [43] 43,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 100:[26, 69], Operations: ['2*13=26', '94-25=69'] Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,100 unequal: No Solution Exploring Operation: 26*69=1794, Resulting Numbers: [1794] 1794,100 unequal: No Solution Exploring Operation: 26+69=95, Resulting Numbers: [95] 95,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 100:[26, 119], Operations: ['2*13=26', '25+94=119'] Exploring Operation: 26*119=3094, Resulting Numbers: [3094] 3094,100 unequal: No Solution Exploring Operation: 119-26=93, Resulting Numbers: [93] 93,100 unequal: No Solution Exploring Operation: 26+119=145, Resulting Numbers: [145] 145,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 100:[25, 13, 96], Operations: ['2+94=96'] Exploring Operation: 13+96=109, Resulting Numbers: [25, 109] Generated Node #0,3,0: 100:[25, 109] Operation: 13+96=109 Exploring Operation: 25-13=12, Resulting Numbers: [96, 12] Generated Node #0,3,1: 100:[96, 12] Operation: 25-13=12 Exploring Operation: 25+13=38, Resulting Numbers: [96, 38] Generated Node #0,3,2: 100:[96, 38] Operation: 25+13=38 Exploring Operation: 96-13=83, Resulting Numbers: [25, 83] Generated Node #0,3,3: 100:[25, 83] Operation: 96-13=83 Exploring Operation: 25+96=121, Resulting Numbers: [13, 121] Generated Node #0,3,4: 100:[13, 121] Operation: 25+96=121 Moving to Node #0,3,1 Current State: 100:[96, 12], Operations: ['2+94=96', '25-13=12'] Exploring Operation: 96/12=8, Resulting Numbers: [8] 8,100 unequal: No Solution Exploring Operation: 96+12=108, Resulting Numbers: [108] 108,100 unequal: No Solution Exploring Operation: 96-12=84, Resulting Numbers: [84] 84,100 unequal: No Solution Exploring Operation: 96*12=1152, Resulting Numbers: [1152] 1152,100 unequal: No Solution Moving to Node #0,3,0 Current State: 100:[25, 109], Operations: ['2+94=96', '13+96=109'] Exploring Operation: 25*109=2725, Resulting Numbers: [2725] 2725,100 unequal: No Solution Exploring Operation: 25+109=134, Resulting Numbers: [134] 134,100 unequal: No Solution Exploring Operation: 109-25=84, Resulting Numbers: [84] 84,100 unequal: No Solution Moving to Node #0,3,2 Current State: 100:[96, 38], Operations: ['2+94=96', '25+13=38'] Exploring Operation: 96+38=134, Resulting Numbers: [134] 134,100 unequal: No Solution Exploring Operation: 96*38=3648, Resulting Numbers: [3648] 3648,100 unequal: No Solution Exploring Operation: 96-38=58, Resulting Numbers: [58] 58,100 unequal: No Solution Moving to Node #0,3,3 Current State: 100:[25, 83], Operations: ['2+94=96', '96-13=83'] Exploring Operation: 25*83=2075, Resulting Numbers: [2075] 2075,100 unequal: No Solution Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,100 unequal: No Solution Exploring Operation: 25+83=108, Resulting Numbers: [108] 108,100 unequal: No Solution Moving to Node #0,3,4 Current State: 100:[13, 121], Operations: ['2+94=96', '25+96=121'] Exploring Operation: 13*121=1573, Resulting Numbers: [1573] 1573,100 unequal: No Solution Exploring Operation: 121-13=108, Resulting Numbers: [108] 108,100 unequal: No Solution Exploring Operation: 13+121=134, Resulting Numbers: [134] 134,100 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 Current State: 100:[25, 94, 11], Operations: ['13-2=11'] Exploring Operation: 94+11=105, Resulting Numbers: [25, 105] Generated Node #0,4,0: 100:[25, 105] Operation: 94+11=105 Exploring Operation: 94-11=83, Resulting Numbers: [25, 83] Generated Node #0,4,1: 100:[25, 83] Operation: 94-11=83 Exploring Operation: 25+11=36, Resulting Numbers: [94, 36] Generated Node #0,4,2: 100:[94, 36] Operation: 25+11=36 Exploring Operation: 25-11=14, Resulting Numbers: [94, 14] Generated Node #0,4,3: 100:[94, 14] Operation: 25-11=14 Exploring Operation: 25+94=119, Resulting Numbers: [11, 119] Generated Node #0,4,4: 100:[11, 119] Operation: 25+94=119 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 100:[25, 105], Operations: ['13-2=11', '94+11=105'] Exploring Operation: 25*105=2625, Resulting Numbers: [2625] 2625,100 unequal: No Solution Exploring Operation: 25+105=130, Resulting Numbers: [130] 130,100 unequal: No Solution Exploring Operation: 105-25=80, Resulting Numbers: [80] 80,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 100:[94, 14], Operations: ['13-2=11', '25-11=14'] Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,100 unequal: No Solution Exploring Operation: 94*14=1316, Resulting Numbers: [1316] 1316,100 unequal: No Solution Exploring Operation: 94+14=108, Resulting Numbers: [108] 108,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 100:[25, 83], Operations: ['13-2=11', '94-11=83'] Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,100 unequal: No Solution Exploring Operation: 25+83=108, Resulting Numbers: [108] 108,100 unequal: No Solution Exploring Operation: 25*83=2075, Resulting Numbers: [2075] 2075,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 100:[94, 36], Operations: ['13-2=11', '25+11=36'] Exploring Operation: 94-36=58, Resulting Numbers: [58] 58,100 unequal: No Solution Exploring Operation: 94*36=3384, Resulting Numbers: [3384] 3384,100 unequal: No Solution Exploring Operation: 94+36=130, Resulting Numbers: [130] 130,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 100:[11, 119], Operations: ['13-2=11', '25+94=119'] Exploring Operation: 119-11=108, Resulting Numbers: [108] 108,100 unequal: No Solution Exploring Operation: 11+119=130, Resulting Numbers: [130] 130,100 unequal: No Solution Exploring Operation: 11*119=1309, Resulting Numbers: [1309] 1309,100 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 71, 85, 82, 8 ]
82
[ "71+85=156", "82-8=74", "156-74=82" ]
Current State: 82:[71, 85, 82, 8], Operations: [] Exploring Operation: 71+85=156, Resulting Numbers: [82, 8, 156] Generated Node #2: [82, 8, 156] from Operation: 71+85=156 Current State: 82:[82, 8, 156], Operations: ['71+85=156'] Exploring Operation: 82-8=74, Resulting Numbers: [156, 74] Generated Node #3: [156, 74] from Operation: 82-8=74 Current State: 82:[156, 74], Operations: ['71+85=156', '82-8=74'] Exploring Operation: 156-74=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[71, 85, 82, 8], Operations: [] Exploring Operation: 71+8=79, Resulting Numbers: [85, 82, 79] Generated Node #0,0: 82:[85, 82, 79] Operation: 71+8=79 Exploring Operation: 85-8=77, Resulting Numbers: [71, 82, 77] Generated Node #0,1: 82:[71, 82, 77] Operation: 85-8=77 Moving to Node #0,0 Current State: 82:[85, 82, 79], Operations: ['71+8=79'] Exploring Operation: 85-79=6, Resulting Numbers: [82, 6] Generated Node #0,0,0: 82:[82, 6] Operation: 85-79=6 Exploring Operation: 85-82=3, Resulting Numbers: [79, 3] Generated Node #0,0,1: 82:[79, 3] Operation: 85-82=3 Moving to Node #0,1 Current State: 82:[71, 82, 77], Operations: ['85-8=77'] Exploring Operation: 82-71=11, Resulting Numbers: [77, 11] Generated Node #0,1,0: 82:[77, 11] Operation: 82-71=11 Exploring Operation: 77-71=6, Resulting Numbers: [82, 6] Generated Node #0,1,1: 82:[82, 6] Operation: 77-71=6 Moving to Node #0,0,0 Current State: 82:[82, 6], Operations: ['71+8=79', '85-79=6'] Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,82 unequal: No Solution Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[82, 6], Operations: ['85-8=77', '77-71=6'] Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,82 unequal: No Solution Exploring Operation: 82+6=88, Resulting Numbers: [88] 88,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[79, 3], Operations: ['71+8=79', '85-82=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,82 unequal: No Solution Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[71, 85, 82, 8], Operations: [] Exploring Operation: 71+8=79, Resulting Numbers: [85, 82, 79] Generated Node #0,0: 82:[85, 82, 79] Operation: 71+8=79 Moving to Node #0,0 Current State: 82:[85, 82, 79], Operations: ['71+8=79'] Exploring Operation: 85-82=3, Resulting Numbers: [79, 3] Generated Node #0,0,1: 82:[79, 3] Operation: 85-82=3 Moving to Node #0,0,1 Current State: 82:[79, 3], Operations: ['71+8=79', '85-82=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
0.986111
hs_2
sum_heuristic
[ 9, 15, 21, 80 ]
34
[ "9*15=135", "21+80=101", "135-101=34" ]
Current State: 34:[9, 15, 21, 80], Operations: [] Exploring Operation: 9*15=135, Resulting Numbers: [21, 80, 135] Generated Node #2: [21, 80, 135] from Operation: 9*15=135 Current State: 34:[21, 80, 135], Operations: ['9*15=135'] Exploring Operation: 21+80=101, Resulting Numbers: [135, 101] Generated Node #3: [135, 101] from Operation: 21+80=101 Current State: 34:[135, 101], Operations: ['9*15=135', '21+80=101'] Exploring Operation: 135-101=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[9, 15, 21, 80], Operations: [] Exploring Operation: 80-21=59, Resulting Numbers: [9, 15, 59] Generated Node #0,0: 34:[9, 15, 59] Operation: 80-21=59 Exploring Operation: 80-15=65, Resulting Numbers: [9, 21, 65] Generated Node #0,1: 34:[9, 21, 65] Operation: 80-15=65 Moving to Node #0,0 Current State: 34:[9, 15, 59], Operations: ['80-21=59'] Exploring Operation: 59-15=44, Resulting Numbers: [9, 44] Generated Node #0,0,0: 34:[9, 44] Operation: 59-15=44 Exploring Operation: 59-9=50, Resulting Numbers: [15, 50] Generated Node #0,0,1: 34:[15, 50] Operation: 59-9=50 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 34:[9, 44], Operations: ['80-21=59', '59-15=44'] Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 9+44=53, Resulting Numbers: [53] 53,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 34:[15, 50], Operations: ['80-21=59', '59-9=50'] Exploring Operation: 50-15=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 15+50=65, Resulting Numbers: [65] 65,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 34:[9, 21, 65], Operations: ['80-15=65'] Exploring Operation: 65-21=44, Resulting Numbers: [9, 44] Generated Node #0,1,0: 34:[9, 44] Operation: 65-21=44 Exploring Operation: 65-9=56, Resulting Numbers: [21, 56] Generated Node #0,1,1: 34:[21, 56] Operation: 65-9=56 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 34:[9, 44], Operations: ['80-15=65', '65-21=44'] Exploring Operation: 44-9=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 9+44=53, Resulting Numbers: [53] 53,34 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 34:[21, 56], Operations: ['80-15=65', '65-9=56'] Exploring Operation: 56-21=35, Resulting Numbers: [35] 35,34 unequal: No Solution Exploring Operation: 21+56=77, Resulting Numbers: [77] 77,34 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
[ 17, 58, 72, 16 ]
13
[ "17+58=75", "72+16=88", "88-75=13" ]
Current State: 13:[17, 58, 72, 16], Operations: [] Exploring Operation: 17+58=75, Resulting Numbers: [72, 16, 75] Generated Node #2: [72, 16, 75] from Operation: 17+58=75 Current State: 13:[72, 16, 75], Operations: ['17+58=75'] Exploring Operation: 72+16=88, Resulting Numbers: [75, 88] Generated Node #3: [75, 88] from Operation: 72+16=88 Current State: 13:[75, 88], Operations: ['17+58=75', '72+16=88'] Exploring Operation: 88-75=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[17, 58, 72, 16], Operations: [] Exploring Operation: 72-17=55, Resulting Numbers: [58, 16, 55] Generated Node #0,0: 13:[58, 16, 55] Operation: 72-17=55 Exploring Operation: 58-17=41, Resulting Numbers: [72, 16, 41] Generated Node #0,1: 13:[72, 16, 41] Operation: 58-17=41 Exploring Operation: 72-58=14, Resulting Numbers: [17, 16, 14] Generated Node #0,2: 13:[17, 16, 14] Operation: 72-58=14 Moving to Node #0,2 Current State: 13:[17, 16, 14], Operations: ['72-58=14'] Exploring Operation: 16-14=2, Resulting Numbers: [17, 2] Generated Node #0,2,0: 13:[17, 2] Operation: 16-14=2 Exploring Operation: 17-14=3, Resulting Numbers: [16, 3] Generated Node #0,2,1: 13:[16, 3] Operation: 17-14=3 Exploring Operation: 17-16=1, Resulting Numbers: [14, 1] Generated Node #0,2,2: 13:[14, 1] Operation: 17-16=1 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[16, 3], Operations: ['72-58=14', '17-14=3'] Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,13 unequal: No Solution Exploring Operation: 16*3=48, Resulting Numbers: [48] 48,13 unequal: No Solution Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[17, 58, 72, 16], Operations: [] Exploring Operation: 72-58=14, Resulting Numbers: [17, 16, 14] Generated Node #0,2: 13:[17, 16, 14] Operation: 72-58=14 Moving to Node #0,2 Current State: 13:[17, 16, 14], Operations: ['72-58=14'] Exploring Operation: 17-14=3, Resulting Numbers: [16, 3] Generated Node #0,2,1: 13:[16, 3] Operation: 17-14=3 Moving to Node #0,2,1 Current State: 13:[16, 3], Operations: ['72-58=14', '17-14=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 61, 31, 53, 93 ]
10
[ "61-31=30", "93-53=40", "40-30=10" ]
Current State: 10:[61, 31, 53, 93], Operations: [] Exploring Operation: 61-31=30, Resulting Numbers: [53, 93, 30] Generated Node #2: [53, 93, 30] from Operation: 61-31=30 Current State: 10:[53, 93, 30], Operations: ['61-31=30'] Exploring Operation: 93-53=40, Resulting Numbers: [30, 40] Generated Node #3: [30, 40] from Operation: 93-53=40 Current State: 10:[30, 40], Operations: ['61-31=30', '93-53=40'] Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[61, 31, 53, 93], Operations: [] Exploring Operation: 93-61=32, Resulting Numbers: [31, 53, 32] Generated Node #0,0: 10:[31, 53, 32] Operation: 93-61=32 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[31, 53, 32], Operations: ['93-61=32'] Exploring Operation: 53-32=21, Resulting Numbers: [31, 21] Generated Node #0,0,0: 10:[31, 21] Operation: 53-32=21 Moving to Node #0,0,0 Current State: 10:[31, 21], Operations: ['93-61=32', '53-32=21'] Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[61, 31, 53, 93], Operations: [] Exploring Operation: 93-61=32, Resulting Numbers: [31, 53, 32] Generated Node #0,0: 10:[31, 53, 32] Operation: 93-61=32 Moving to Node #0,0 Current State: 10:[31, 53, 32], Operations: ['93-61=32'] Exploring Operation: 53-32=21, Resulting Numbers: [31, 21] Generated Node #0,0,0: 10:[31, 21] Operation: 53-32=21 Moving to Node #0,0,0 Current State: 10:[31, 21], Operations: ['93-61=32', '53-32=21'] Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 18, 23, 62, 34 ]
69
[ "18+23=41", "62-34=28", "41+28=69" ]
Current State: 69:[18, 23, 62, 34], Operations: [] Exploring Operation: 18+23=41, Resulting Numbers: [62, 34, 41] Generated Node #2: [62, 34, 41] from Operation: 18+23=41 Current State: 69:[62, 34, 41], Operations: ['18+23=41'] Exploring Operation: 62-34=28, Resulting Numbers: [41, 28] Generated Node #3: [41, 28] from Operation: 62-34=28 Current State: 69:[41, 28], Operations: ['18+23=41', '62-34=28'] Exploring Operation: 41+28=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[18, 23, 62, 34], Operations: [] Exploring Operation: 62-34=28, Resulting Numbers: [18, 23, 28] Generated Node #0,0: 69:[18, 23, 28] Operation: 62-34=28 Exploring Operation: 34-18=16, Resulting Numbers: [23, 62, 16] Generated Node #0,1: 69:[23, 62, 16] Operation: 34-18=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[18, 23, 28], Operations: ['62-34=28'] Exploring Operation: 23-18=5, Resulting Numbers: [28, 5] Generated Node #0,0,0: 69:[28, 5] Operation: 23-18=5 Exploring Operation: 28-18=10, Resulting Numbers: [23, 10] Generated Node #0,0,1: 69:[23, 10] Operation: 28-18=10 Moving to Node #0,0,0 Current State: 69:[28, 5], Operations: ['62-34=28', '23-18=5'] Exploring Operation: 28-5=23, Resulting Numbers: [23] 23,69 unequal: No Solution Exploring Operation: 28+5=33, Resulting Numbers: [33] 33,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[23, 10], Operations: ['62-34=28', '28-18=10'] Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,69 unequal: No Solution Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[23, 62, 16], Operations: ['34-18=16'] Exploring Operation: 23-16=7, Resulting Numbers: [62, 7] Generated Node #0,1,0: 69:[62, 7] Operation: 23-16=7 Exploring Operation: 62+16=78, Resulting Numbers: [23, 78] Generated Node #0,1,1: 69:[23, 78] Operation: 62+16=78 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[23, 78], Operations: ['34-18=16', '62+16=78'] Exploring Operation: 23+78=101, Resulting Numbers: [101] 101,69 unequal: No Solution Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,69 unequal: No Solution No 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: 69:[62, 7], Operations: ['34-18=16', '23-16=7'] Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,69 unequal: No Solution Exploring Operation: 62+7=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[18, 23, 62, 34], Operations: [] Exploring Operation: 34-18=16, Resulting Numbers: [23, 62, 16] Generated Node #0,1: 69:[23, 62, 16] Operation: 34-18=16 Moving to Node #0,1 Current State: 69:[23, 62, 16], Operations: ['34-18=16'] Exploring Operation: 23-16=7, Resulting Numbers: [62, 7] Generated Node #0,1,0: 69:[62, 7] Operation: 23-16=7 Moving to Node #0,1,0 Current State: 69:[62, 7], Operations: ['34-18=16', '23-16=7'] Exploring Operation: 62+7=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_2
mult_heuristic
[ 43, 53, 23, 72 ]
58
[ "43+72=115", "115/23=5", "53+5=58" ]
Current State: 58:[43, 53, 23, 72], Operations: [] Exploring Operation: 43+72=115, Resulting Numbers: [53, 23, 115] Generated Node #2: [53, 23, 115] from Operation: 43+72=115 Current State: 58:[53, 23, 115], Operations: ['43+72=115'] Exploring Operation: 115/23=5, Resulting Numbers: [53, 5] Generated Node #3: [53, 5] from Operation: 115/23=5 Current State: 58:[53, 5], Operations: ['43+72=115', '115/23=5'] Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[43, 53, 23, 72], Operations: [] Exploring Operation: 72-43=29, Resulting Numbers: [53, 23, 29] Generated Node #0,0: 58:[53, 23, 29] Operation: 72-43=29 Moving to Node #0,0 Current State: 58:[53, 23, 29], Operations: ['72-43=29'] Exploring Operation: 53-23=30, Resulting Numbers: [29, 30] Generated Node #0,0,0: 58:[29, 30] Operation: 53-23=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[29, 30], Operations: ['72-43=29', '53-23=30'] Exploring Operation: 29+30=59, Resulting Numbers: [59] 59,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 58, 84, 86, 24 ]
72
[ "86-58=28", "84*24=2016", "2016/28=72" ]
Current State: 72:[58, 84, 86, 24], Operations: [] Exploring Operation: 86-58=28, Resulting Numbers: [84, 24, 28] Generated Node #2: [84, 24, 28] from Operation: 86-58=28 Current State: 72:[84, 24, 28], Operations: ['86-58=28'] Exploring Operation: 84*24=2016, Resulting Numbers: [28, 2016] Generated Node #3: [28, 2016] from Operation: 84*24=2016 Current State: 72:[28, 2016], Operations: ['86-58=28', '84*24=2016'] Exploring Operation: 2016/28=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[58, 84, 86, 24], Operations: [] Exploring Operation: 86-84=2, Resulting Numbers: [58, 24, 2] Generated Node #0,0: 72:[58, 24, 2] Operation: 86-84=2 Exploring Operation: 58-24=34, Resulting Numbers: [84, 86, 34] Generated Node #0,1: 72:[84, 86, 34] Operation: 58-24=34 Exploring Operation: 58+24=82, Resulting Numbers: [84, 86, 82] Generated Node #0,2: 72:[84, 86, 82] Operation: 58+24=82 Exploring Operation: 84-58=26, Resulting Numbers: [86, 24, 26] Generated Node #0,3: 72:[86, 24, 26] Operation: 84-58=26 Exploring Operation: 86-58=28, Resulting Numbers: [84, 24, 28] Generated Node #0,4: 72:[84, 24, 28] Operation: 86-58=28 Moving to Node #0,0 Current State: 72:[58, 24, 2], Operations: ['86-84=2'] Exploring Operation: 24/2=12, Resulting Numbers: [58, 12] Generated Node #0,0,0: 72:[58, 12] Operation: 24/2=12 Exploring Operation: 58+24=82, Resulting Numbers: [2, 82] Generated Node #0,0,1: 72:[2, 82] Operation: 58+24=82 Exploring Operation: 58-24=34, Resulting Numbers: [2, 34] Generated Node #0,0,2: 72:[2, 34] Operation: 58-24=34 Exploring Operation: 58/2=29, Resulting Numbers: [24, 29] Generated Node #0,0,3: 72:[24, 29] Operation: 58/2=29 Exploring Operation: 58+2=60, Resulting Numbers: [24, 60] Generated Node #0,0,4: 72:[24, 60] Operation: 58+2=60 Moving to Node #0,4 Current State: 72:[84, 24, 28], Operations: ['86-58=28'] Exploring Operation: 24+28=52, Resulting Numbers: [84, 52] Generated Node #0,4,0: 72:[84, 52] Operation: 24+28=52 Exploring Operation: 28-24=4, Resulting Numbers: [84, 4] Generated Node #0,4,1: 72:[84, 4] Operation: 28-24=4 Exploring Operation: 84-28=56, Resulting Numbers: [24, 56] Generated Node #0,4,2: 72:[24, 56] Operation: 84-28=56 Exploring Operation: 84-24=60, Resulting Numbers: [28, 60] Generated Node #0,4,3: 72:[28, 60] Operation: 84-24=60 Exploring Operation: 84/28=3, Resulting Numbers: [24, 3] Generated Node #0,4,4: 72:[24, 3] Operation: 84/28=3 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 72:[24, 3], Operations: ['86-58=28', '84/28=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[58, 84, 86, 24], Operations: [] Exploring Operation: 86-58=28, Resulting Numbers: [84, 24, 28] Generated Node #0,4: 72:[84, 24, 28] Operation: 86-58=28 Moving to Node #0,4 Current State: 72:[84, 24, 28], Operations: ['86-58=28'] Exploring Operation: 84/28=3, Resulting Numbers: [24, 3] Generated Node #0,4,4: 72:[24, 3] Operation: 84/28=3 Moving to Node #0,4,4 Current State: 72:[24, 3], Operations: ['86-58=28', '84/28=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 56, 35, 45, 96 ]
50
[ "56+35=91", "45+96=141", "141-91=50" ]
Current State: 50:[56, 35, 45, 96], Operations: [] Exploring Operation: 56+35=91, Resulting Numbers: [45, 96, 91] Generated Node #2: [45, 96, 91] from Operation: 56+35=91 Current State: 50:[45, 96, 91], Operations: ['56+35=91'] Exploring Operation: 45+96=141, Resulting Numbers: [91, 141] Generated Node #3: [91, 141] from Operation: 45+96=141 Current State: 50:[91, 141], Operations: ['56+35=91', '45+96=141'] Exploring Operation: 141-91=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[56, 35, 45, 96], Operations: [] Exploring Operation: 96-45=51, Resulting Numbers: [56, 35, 51] Generated Node #0,0: 50:[56, 35, 51] Operation: 96-45=51 Moving to Node #0,0 Current State: 50:[56, 35, 51], Operations: ['96-45=51'] Exploring Operation: 56-35=21, Resulting Numbers: [51, 21] Generated Node #0,0,0: 50:[51, 21] Operation: 56-35=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[51, 21], Operations: ['96-45=51', '56-35=21'] Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,50 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
[ 91, 88, 60, 85 ]
65
[ "91-88=3", "60/3=20", "85-20=65" ]
Current State: 65:[91, 88, 60, 85], Operations: [] Exploring Operation: 91-88=3, Resulting Numbers: [60, 85, 3] Generated Node #2: [60, 85, 3] from Operation: 91-88=3 Current State: 65:[60, 85, 3], Operations: ['91-88=3'] Exploring Operation: 60/3=20, Resulting Numbers: [85, 20] Generated Node #3: [85, 20] from Operation: 60/3=20 Current State: 65:[85, 20], Operations: ['91-88=3', '60/3=20'] Exploring Operation: 85-20=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[91, 88, 60, 85], Operations: [] Exploring Operation: 88-85=3, Resulting Numbers: [91, 60, 3] Generated Node #0,0: 65:[91, 60, 3] Operation: 88-85=3 Exploring Operation: 91-85=6, Resulting Numbers: [88, 60, 6] Generated Node #0,1: 65:[88, 60, 6] Operation: 91-85=6 Exploring Operation: 91-88=3, Resulting Numbers: [60, 85, 3] Generated Node #0,2: 65:[60, 85, 3] Operation: 91-88=3 Exploring Operation: 91-60=31, Resulting Numbers: [88, 85, 31] Generated Node #0,3: 65:[88, 85, 31] Operation: 91-60=31 Moving to Node #0,2 Current State: 65:[60, 85, 3], Operations: ['91-88=3'] Exploring Operation: 85-3=82, Resulting Numbers: [60, 82] Generated Node #0,2,0: 65:[60, 82] Operation: 85-3=82 Exploring Operation: 60+3=63, Resulting Numbers: [85, 63] Generated Node #0,2,1: 65:[85, 63] Operation: 60+3=63 Exploring Operation: 60/3=20, Resulting Numbers: [85, 20] Generated Node #0,2,2: 65:[85, 20] Operation: 60/3=20 Exploring Operation: 85-60=25, Resulting Numbers: [3, 25] Generated Node #0,2,3: 65:[3, 25] Operation: 85-60=25 Moving to Node #0,1 Current State: 65:[88, 60, 6], Operations: ['91-85=6'] Exploring Operation: 88-6=82, Resulting Numbers: [60, 82] Generated Node #0,1,0: 65:[60, 82] Operation: 88-6=82 Exploring Operation: 60/6=10, Resulting Numbers: [88, 10] Generated Node #0,1,1: 65:[88, 10] Operation: 60/6=10 Exploring Operation: 88-60=28, Resulting Numbers: [6, 28] Generated Node #0,1,2: 65:[6, 28] Operation: 88-60=28 Exploring Operation: 60+6=66, Resulting Numbers: [88, 66] Generated Node #0,1,3: 65:[88, 66] Operation: 60+6=66 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[6, 28], Operations: ['91-85=6', '88-60=28'] Exploring Operation: 6+28=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 28-6=22, Resulting Numbers: [22] 22,65 unequal: No Solution Exploring Operation: 6*28=168, Resulting Numbers: [168] 168,65 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:[60, 82], Operations: ['91-85=6', '88-6=82'] Exploring Operation: 82-60=22, Resulting Numbers: [22] 22,65 unequal: No Solution Exploring Operation: 60*82=4920, Resulting Numbers: [4920] 4920,65 unequal: No Solution Exploring Operation: 60+82=142, Resulting Numbers: [142] 142,65 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 #0,1,3 Current State: 65:[88, 66], Operations: ['91-85=6', '60+6=66'] Exploring Operation: 88+66=154, Resulting Numbers: [154] 154,65 unequal: No Solution Exploring Operation: 88*66=5808, Resulting Numbers: [5808] 5808,65 unequal: No Solution Exploring Operation: 88-66=22, Resulting Numbers: [22] 22,65 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:[88, 10], Operations: ['91-85=6', '60/6=10'] Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,65 unequal: No Solution Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,65 unequal: No Solution Exploring Operation: 88*10=880, Resulting Numbers: [880] 880,65 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:[91, 60, 3], Operations: ['88-85=3'] Exploring Operation: 91-60=31, Resulting Numbers: [3, 31] Generated Node #0,0,0: 65:[3, 31] Operation: 91-60=31 Exploring Operation: 91-3=88, Resulting Numbers: [60, 88] Generated Node #0,0,1: 65:[60, 88] Operation: 91-3=88 Exploring Operation: 60/3=20, Resulting Numbers: [91, 20] Generated Node #0,0,2: 65:[91, 20] Operation: 60/3=20 Exploring Operation: 60+3=63, Resulting Numbers: [91, 63] Generated Node #0,0,3: 65:[91, 63] Operation: 60+3=63 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[3, 31], Operations: ['88-85=3', '91-60=31'] Exploring Operation: 3+31=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,65 unequal: No Solution Exploring Operation: 3*31=93, Resulting Numbers: [93] 93,65 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:[60, 88], Operations: ['88-85=3', '91-3=88'] Exploring Operation: 60*88=5280, Resulting Numbers: [5280] 5280,65 unequal: No Solution Exploring Operation: 60+88=148, Resulting Numbers: [148] 148,65 unequal: No Solution Exploring Operation: 88-60=28, Resulting Numbers: [28] 28,65 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:[91, 63], Operations: ['88-85=3', '60+3=63'] Exploring Operation: 91*63=5733, Resulting Numbers: [5733] 5733,65 unequal: No Solution Exploring Operation: 91+63=154, Resulting Numbers: [154] 154,65 unequal: No Solution Exploring Operation: 91-63=28, Resulting Numbers: [28] 28,65 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:[91, 20], Operations: ['88-85=3', '60/3=20'] Exploring Operation: 91+20=111, Resulting Numbers: [111] 111,65 unequal: No Solution Exploring Operation: 91-20=71, Resulting Numbers: [71] 71,65 unequal: No Solution Exploring Operation: 91*20=1820, Resulting Numbers: [1820] 1820,65 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: 65:[88, 85, 31], Operations: ['91-60=31'] Exploring Operation: 88-31=57, Resulting Numbers: [85, 57] Generated Node #0,3,0: 65:[85, 57] Operation: 88-31=57 Exploring Operation: 85-31=54, Resulting Numbers: [88, 54] Generated Node #0,3,1: 65:[88, 54] Operation: 85-31=54 Exploring Operation: 88-85=3, Resulting Numbers: [31, 3] Generated Node #0,3,2: 65:[31, 3] Operation: 88-85=3 Exploring Operation: 88+31=119, Resulting Numbers: [85, 119] Generated Node #0,3,3: 65:[85, 119] Operation: 88+31=119 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 65:[31, 3], Operations: ['91-60=31', '88-85=3'] Exploring Operation: 31+3=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 31-3=28, Resulting Numbers: [28] 28,65 unequal: No Solution Exploring Operation: 31*3=93, Resulting Numbers: [93] 93,65 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 #0,3,0 Current State: 65:[85, 57], Operations: ['91-60=31', '88-31=57'] Exploring Operation: 85+57=142, Resulting Numbers: [142] 142,65 unequal: No Solution Exploring Operation: 85-57=28, Resulting Numbers: [28] 28,65 unequal: No Solution Exploring Operation: 85*57=4845, Resulting Numbers: [4845] 4845,65 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 #0,3,1 Current State: 65:[88, 54], Operations: ['91-60=31', '85-31=54'] Exploring Operation: 88*54=4752, Resulting Numbers: [4752] 4752,65 unequal: No Solution Exploring Operation: 88-54=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 88+54=142, Resulting Numbers: [142] 142,65 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 #0,3,3 Current State: 65:[85, 119], Operations: ['91-60=31', '88+31=119'] Exploring Operation: 119-85=34, Resulting Numbers: [34] 34,65 unequal: No Solution Exploring Operation: 85+119=204, Resulting Numbers: [204] 204,65 unequal: No Solution Exploring Operation: 85*119=10115, Resulting Numbers: [10115] 10115,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 65:[3, 25], Operations: ['91-88=3', '85-60=25'] Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,65 unequal: No Solution Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[85, 63], Operations: ['91-88=3', '60+3=63'] Exploring Operation: 85+63=148, Resulting Numbers: [148] 148,65 unequal: No Solution Exploring Operation: 85*63=5355, Resulting Numbers: [5355] 5355,65 unequal: No Solution Exploring Operation: 85-63=22, Resulting Numbers: [22] 22,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[60, 82], Operations: ['91-88=3', '85-3=82'] Exploring Operation: 60+82=142, Resulting Numbers: [142] 142,65 unequal: No Solution Exploring Operation: 82-60=22, Resulting Numbers: [22] 22,65 unequal: No Solution Exploring Operation: 60*82=4920, Resulting Numbers: [4920] 4920,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[85, 20], Operations: ['91-88=3', '60/3=20'] Exploring Operation: 85*20=1700, Resulting Numbers: [1700] 1700,65 unequal: No Solution Exploring Operation: 85-20=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[91, 88, 60, 85], Operations: [] Exploring Operation: 91-88=3, Resulting Numbers: [60, 85, 3] Generated Node #0,2: 65:[60, 85, 3] Operation: 91-88=3 Moving to Node #0,2 Current State: 65:[60, 85, 3], Operations: ['91-88=3'] Exploring Operation: 60/3=20, Resulting Numbers: [85, 20] Generated Node #0,2,2: 65:[85, 20] Operation: 60/3=20 Moving to Node #0,2,2 Current State: 65:[85, 20], Operations: ['91-88=3', '60/3=20'] Exploring Operation: 85-20=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
0.938368
hs_4
sum_heuristic
[ 51, 42, 79, 5 ]
16
[ "51+79=130", "130/5=26", "42-26=16" ]
Current State: 16:[51, 42, 79, 5], Operations: [] Exploring Operation: 51+79=130, Resulting Numbers: [42, 5, 130] Generated Node #2: [42, 5, 130] from Operation: 51+79=130 Current State: 16:[42, 5, 130], Operations: ['51+79=130'] Exploring Operation: 130/5=26, Resulting Numbers: [42, 26] Generated Node #3: [42, 26] from Operation: 130/5=26 Current State: 16:[42, 26], Operations: ['51+79=130', '130/5=26'] Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[51, 42, 79, 5], Operations: [] Exploring Operation: 79-51=28, Resulting Numbers: [42, 5, 28] Generated Node #0,0: 16:[42, 5, 28] Operation: 79-51=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 16:[42, 5, 28], Operations: ['79-51=28'] Exploring Operation: 42-28=14, Resulting Numbers: [5, 14] Generated Node #0,0,0: 16:[5, 14] Operation: 42-28=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 16:[5, 14], Operations: ['79-51=28', '42-28=14'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,16 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 70, 72, 3, 82 ]
87
[ "72-70=2", "3+82=85", "2+85=87" ]
Current State: 87:[70, 72, 3, 82], Operations: [] Exploring Operation: 72-70=2, Resulting Numbers: [3, 82, 2] Generated Node #2: [3, 82, 2] from Operation: 72-70=2 Current State: 87:[3, 82, 2], Operations: ['72-70=2'] Exploring Operation: 3+82=85, Resulting Numbers: [2, 85] Generated Node #3: [2, 85] from Operation: 3+82=85 Current State: 87:[2, 85], Operations: ['72-70=2', '3+82=85'] Exploring Operation: 2+85=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[70, 72, 3, 82], Operations: [] Exploring Operation: 82-70=12, Resulting Numbers: [72, 3, 12] Generated Node #0,0: 87:[72, 3, 12] Operation: 82-70=12 Exploring Operation: 72/3=24, Resulting Numbers: [70, 82, 24] Generated Node #0,1: 87:[70, 82, 24] Operation: 72/3=24 Exploring Operation: 72-70=2, Resulting Numbers: [3, 82, 2] Generated Node #0,2: 87:[3, 82, 2] Operation: 72-70=2 Exploring Operation: 70+3=73, Resulting Numbers: [72, 82, 73] Generated Node #0,3: 87:[72, 82, 73] Operation: 70+3=73 Exploring Operation: 82-72=10, Resulting Numbers: [70, 3, 10] Generated Node #0,4: 87:[70, 3, 10] Operation: 82-72=10 Moving to Node #0,2 Current State: 87:[3, 82, 2], Operations: ['72-70=2'] Exploring Operation: 3-2=1, Resulting Numbers: [82, 1] Generated Node #0,2,0: 87:[82, 1] Operation: 3-2=1 Exploring Operation: 3+2=5, Resulting Numbers: [82, 5] Generated Node #0,2,1: 87:[82, 5] Operation: 3+2=5 Exploring Operation: 82-2=80, Resulting Numbers: [3, 80] Generated Node #0,2,2: 87:[3, 80] Operation: 82-2=80 Exploring Operation: 82+2=84, Resulting Numbers: [3, 84] Generated Node #0,2,3: 87:[3, 84] Operation: 82+2=84 Exploring Operation: 3+82=85, Resulting Numbers: [2, 85] Generated Node #0,2,4: 87:[2, 85] Operation: 3+82=85 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 87:[3, 84], Operations: ['72-70=2', '82+2=84'] Exploring Operation: 84-3=81, Resulting Numbers: [81] 81,87 unequal: No Solution Exploring Operation: 84/3=28, Resulting Numbers: [28] 28,87 unequal: No Solution Exploring Operation: 3+84=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[70, 72, 3, 82], Operations: [] Exploring Operation: 72-70=2, Resulting Numbers: [3, 82, 2] Generated Node #0,2: 87:[3, 82, 2] Operation: 72-70=2 Moving to Node #0,2 Current State: 87:[3, 82, 2], Operations: ['72-70=2'] Exploring Operation: 82+2=84, Resulting Numbers: [3, 84] Generated Node #0,2,3: 87:[3, 84] Operation: 82+2=84 Moving to Node #0,2,3 Current State: 87:[3, 84], Operations: ['72-70=2', '82+2=84'] Exploring Operation: 3+84=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 2, 42, 4, 73 ]
25
[ "2+42=44", "73-4=69", "69-44=25" ]
Current State: 25:[2, 42, 4, 73], Operations: [] Exploring Operation: 2+42=44, Resulting Numbers: [4, 73, 44] Generated Node #2: [4, 73, 44] from Operation: 2+42=44 Current State: 25:[4, 73, 44], Operations: ['2+42=44'] Exploring Operation: 73-4=69, Resulting Numbers: [44, 69] Generated Node #3: [44, 69] from Operation: 73-4=69 Current State: 25:[44, 69], Operations: ['2+42=44', '73-4=69'] Exploring Operation: 69-44=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[2, 42, 4, 73], Operations: [] Exploring Operation: 42-2=40, Resulting Numbers: [4, 73, 40] Generated Node #0,0: 25:[4, 73, 40] Operation: 42-2=40 Exploring Operation: 42/2=21, Resulting Numbers: [4, 73, 21] Generated Node #0,1: 25:[4, 73, 21] Operation: 42/2=21 Exploring Operation: 73-42=31, Resulting Numbers: [2, 4, 31] Generated Node #0,2: 25:[2, 4, 31] Operation: 73-42=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[2, 4, 31], Operations: ['73-42=31'] Exploring Operation: 31-2=29, Resulting Numbers: [4, 29] Generated Node #0,2,0: 25:[4, 29] Operation: 31-2=29 Exploring Operation: 31-4=27, Resulting Numbers: [2, 27] Generated Node #0,2,1: 25:[2, 27] Operation: 31-4=27 Exploring Operation: 2+4=6, Resulting Numbers: [31, 6] Generated Node #0,2,2: 25:[31, 6] Operation: 2+4=6 Moving to Node #0,2,0 Current State: 25:[4, 29], Operations: ['73-42=31', '31-2=29'] Exploring Operation: 4+29=33, Resulting Numbers: [33] 33,25 unequal: No Solution Exploring Operation: 4*29=116, Resulting Numbers: [116] 116,25 unequal: No Solution Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[2, 42, 4, 73], Operations: [] Exploring Operation: 73-42=31, Resulting Numbers: [2, 4, 31] Generated Node #0,2: 25:[2, 4, 31] Operation: 73-42=31 Moving to Node #0,2 Current State: 25:[2, 4, 31], Operations: ['73-42=31'] Exploring Operation: 31-2=29, Resulting Numbers: [4, 29] Generated Node #0,2,0: 25:[4, 29] Operation: 31-2=29 Moving to Node #0,2,0 Current State: 25:[4, 29], Operations: ['73-42=31', '31-2=29'] Exploring Operation: 29-4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 34, 85, 24, 64 ]
79
[ "34+85=119", "64-24=40", "119-40=79" ]
Current State: 79:[34, 85, 24, 64], Operations: [] Exploring Operation: 34+85=119, Resulting Numbers: [24, 64, 119] Generated Node #2: [24, 64, 119] from Operation: 34+85=119 Current State: 79:[24, 64, 119], Operations: ['34+85=119'] Exploring Operation: 64-24=40, Resulting Numbers: [119, 40] Generated Node #3: [119, 40] from Operation: 64-24=40 Current State: 79:[119, 40], Operations: ['34+85=119', '64-24=40'] Exploring Operation: 119-40=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[34, 85, 24, 64], Operations: [] Exploring Operation: 34+24=58, Resulting Numbers: [85, 64, 58] Generated Node #0,0: 79:[85, 64, 58] Operation: 34+24=58 Exploring Operation: 34+64=98, Resulting Numbers: [85, 24, 98] Generated Node #0,1: 79:[85, 24, 98] Operation: 34+64=98 Exploring Operation: 85-24=61, Resulting Numbers: [34, 64, 61] Generated Node #0,2: 79:[34, 64, 61] Operation: 85-24=61 Exploring Operation: 24+64=88, Resulting Numbers: [34, 85, 88] Generated Node #0,3: 79:[34, 85, 88] Operation: 24+64=88 Exploring Operation: 34-24=10, Resulting Numbers: [85, 64, 10] Generated Node #0,4: 79:[85, 64, 10] Operation: 34-24=10 Moving to Node #0,0 Current State: 79:[85, 64, 58], Operations: ['34+24=58'] Exploring Operation: 64+58=122, Resulting Numbers: [85, 122] Generated Node #0,0,0: 79:[85, 122] Operation: 64+58=122 Exploring Operation: 85-64=21, Resulting Numbers: [58, 21] Generated Node #0,0,1: 79:[58, 21] Operation: 85-64=21 Exploring Operation: 64-58=6, Resulting Numbers: [85, 6] Generated Node #0,0,2: 79:[85, 6] Operation: 64-58=6 Exploring Operation: 85-58=27, Resulting Numbers: [64, 27] Generated Node #0,0,3: 79:[64, 27] Operation: 85-58=27 Exploring Operation: 85+58=143, Resulting Numbers: [64, 143] Generated Node #0,0,4: 79:[64, 143] Operation: 85+58=143 Moving to Node #0,3 Current State: 79:[34, 85, 88], Operations: ['24+64=88'] Exploring Operation: 88-85=3, Resulting Numbers: [34, 3] Generated Node #0,3,0: 79:[34, 3] Operation: 88-85=3 Exploring Operation: 88-34=54, Resulting Numbers: [85, 54] Generated Node #0,3,1: 79:[85, 54] Operation: 88-34=54 Exploring Operation: 85-34=51, Resulting Numbers: [88, 51] Generated Node #0,3,2: 79:[88, 51] Operation: 85-34=51 Exploring Operation: 34+85=119, Resulting Numbers: [88, 119] Generated Node #0,3,3: 79:[88, 119] Operation: 34+85=119 Exploring Operation: 34+88=122, Resulting Numbers: [85, 122] Generated Node #0,3,4: 79:[85, 122] Operation: 34+88=122 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 79:[85, 54], Operations: ['24+64=88', '88-34=54'] Exploring Operation: 85-54=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 85+54=139, Resulting Numbers: [139] 139,79 unequal: No Solution Exploring Operation: 85*54=4590, Resulting Numbers: [4590] 4590,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 79:[88, 51], Operations: ['24+64=88', '85-34=51'] Exploring Operation: 88*51=4488, Resulting Numbers: [4488] 4488,79 unequal: No Solution Exploring Operation: 88+51=139, Resulting Numbers: [139] 139,79 unequal: No Solution Exploring Operation: 88-51=37, Resulting Numbers: [37] 37,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 79:[88, 119], Operations: ['24+64=88', '34+85=119'] Exploring Operation: 88+119=207, Resulting Numbers: [207] 207,79 unequal: No Solution Exploring Operation: 119-88=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 88*119=10472, Resulting Numbers: [10472] 10472,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 79:[85, 122], Operations: ['24+64=88', '34+88=122'] Exploring Operation: 85*122=10370, Resulting Numbers: [10370] 10370,79 unequal: No Solution Exploring Operation: 122-85=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 85+122=207, Resulting Numbers: [207] 207,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 79:[34, 3], Operations: ['24+64=88', '88-85=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 34+3=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 34*3=102, Resulting Numbers: [102] 102,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 79:[34, 64, 61], Operations: ['85-24=61'] Exploring Operation: 34+61=95, Resulting Numbers: [64, 95] Generated Node #0,2,0: 79:[64, 95] Operation: 34+61=95 Exploring Operation: 61-34=27, Resulting Numbers: [64, 27] Generated Node #0,2,1: 79:[64, 27] Operation: 61-34=27 Exploring Operation: 64-34=30, Resulting Numbers: [61, 30] Generated Node #0,2,2: 79:[61, 30] Operation: 64-34=30 Exploring Operation: 34+64=98, Resulting Numbers: [61, 98] Generated Node #0,2,3: 79:[61, 98] Operation: 34+64=98 Exploring Operation: 64+61=125, Resulting Numbers: [34, 125] Generated Node #0,2,4: 79:[34, 125] Operation: 64+61=125 Moving to Node #0,1 Current State: 79:[85, 24, 98], Operations: ['34+64=98'] Exploring Operation: 98-85=13, Resulting Numbers: [24, 13] Generated Node #0,1,0: 79:[24, 13] Operation: 98-85=13 Exploring Operation: 85-24=61, Resulting Numbers: [98, 61] Generated Node #0,1,1: 79:[98, 61] Operation: 85-24=61 Exploring Operation: 85+24=109, Resulting Numbers: [98, 109] Generated Node #0,1,2: 79:[98, 109] Operation: 85+24=109 Exploring Operation: 24+98=122, Resulting Numbers: [85, 122] Generated Node #0,1,3: 79:[85, 122] Operation: 24+98=122 Exploring Operation: 98-24=74, Resulting Numbers: [85, 74] Generated Node #0,1,4: 79:[85, 74] Operation: 98-24=74 Moving to Node #0,4 Current State: 79:[85, 64, 10], Operations: ['34-24=10'] Exploring Operation: 64-10=54, Resulting Numbers: [85, 54] Generated Node #0,4,0: 79:[85, 54] Operation: 64-10=54 Exploring Operation: 85+10=95, Resulting Numbers: [64, 95] Generated Node #0,4,1: 79:[64, 95] Operation: 85+10=95 Exploring Operation: 64+10=74, Resulting Numbers: [85, 74] Generated Node #0,4,2: 79:[85, 74] Operation: 64+10=74 Exploring Operation: 85-10=75, Resulting Numbers: [64, 75] Generated Node #0,4,3: 79:[64, 75] Operation: 85-10=75 Exploring Operation: 85-64=21, Resulting Numbers: [10, 21] Generated Node #0,4,4: 79:[10, 21] Operation: 85-64=21 Moving to Node #0,1,4 Current State: 79:[85, 74], Operations: ['34+64=98', '98-24=74'] Exploring Operation: 85+74=159, Resulting Numbers: [159] 159,79 unequal: No Solution Exploring Operation: 85*74=6290, Resulting Numbers: [6290] 6290,79 unequal: No Solution Exploring Operation: 85-74=11, Resulting Numbers: [11] 11,79 unequal: No Solution Moving to Node #0,4,2 Current State: 79:[85, 74], Operations: ['34-24=10', '64+10=74'] Exploring Operation: 85*74=6290, Resulting Numbers: [6290] 6290,79 unequal: No Solution Exploring Operation: 85-74=11, Resulting Numbers: [11] 11,79 unequal: No Solution Exploring Operation: 85+74=159, Resulting Numbers: [159] 159,79 unequal: No Solution Moving to Node #0,4,3 Current State: 79:[64, 75], Operations: ['34-24=10', '85-10=75'] Exploring Operation: 75-64=11, Resulting Numbers: [11] 11,79 unequal: No Solution Exploring Operation: 64*75=4800, Resulting Numbers: [4800] 4800,79 unequal: No Solution Exploring Operation: 64+75=139, Resulting Numbers: [139] 139,79 unequal: No Solution Moving to Node #0,4,0 Current State: 79:[85, 54], Operations: ['34-24=10', '64-10=54'] Exploring Operation: 85*54=4590, Resulting Numbers: [4590] 4590,79 unequal: No Solution Exploring Operation: 85-54=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 85+54=139, Resulting Numbers: [139] 139,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[64, 95], Operations: ['34-24=10', '85+10=95'] Exploring Operation: 64+95=159, Resulting Numbers: [159] 159,79 unequal: No Solution Exploring Operation: 64*95=6080, Resulting Numbers: [6080] 6080,79 unequal: No Solution Exploring Operation: 95-64=31, Resulting Numbers: [31] 31,79 unequal: No Solution Moving to Node #0,2,0 Current State: 79:[64, 95], Operations: ['85-24=61', '34+61=95'] Exploring Operation: 64+95=159, Resulting Numbers: [159] 159,79 unequal: No Solution Exploring Operation: 95-64=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 64*95=6080, Resulting Numbers: [6080] 6080,79 unequal: No Solution Moving to Node #0,2,3 Current State: 79:[61, 98], Operations: ['85-24=61', '34+64=98'] Exploring Operation: 61+98=159, Resulting Numbers: [159] 159,79 unequal: No Solution Exploring Operation: 61*98=5978, Resulting Numbers: [5978] 5978,79 unequal: No Solution Exploring Operation: 98-61=37, Resulting Numbers: [37] 37,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[98, 61], Operations: ['34+64=98', '85-24=61'] Exploring Operation: 98+61=159, Resulting Numbers: [159] 159,79 unequal: No Solution Exploring Operation: 98*61=5978, Resulting Numbers: [5978] 5978,79 unequal: No Solution Exploring Operation: 98-61=37, Resulting Numbers: [37] 37,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[85, 122], Operations: ['34+24=58', '64+58=122'] Exploring Operation: 122-85=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 85*122=10370, Resulting Numbers: [10370] 10370,79 unequal: No Solution Exploring Operation: 85+122=207, Resulting Numbers: [207] 207,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[85, 122], Operations: ['34+64=98', '24+98=122'] Exploring Operation: 85*122=10370, Resulting Numbers: [10370] 10370,79 unequal: No Solution Exploring Operation: 122-85=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 85+122=207, Resulting Numbers: [207] 207,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[98, 109], Operations: ['34+64=98', '85+24=109'] Exploring Operation: 98*109=10682, Resulting Numbers: [10682] 10682,79 unequal: No Solution Exploring Operation: 98+109=207, Resulting Numbers: [207] 207,79 unequal: No Solution Exploring Operation: 109-98=11, Resulting Numbers: [11] 11,79 unequal: No Solution Moving to Node #0,0,3 Current State: 79:[64, 27], Operations: ['34+24=58', '85-58=27'] Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 64+27=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 64*27=1728, Resulting Numbers: [1728] 1728,79 unequal: No Solution Moving to Node #0,2,2 Current State: 79:[61, 30], Operations: ['85-24=61', '64-34=30'] Exploring Operation: 61-30=31, Resulting Numbers: [31] 31,79 unequal: No Solution Exploring Operation: 61+30=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 61*30=1830, Resulting Numbers: [1830] 1830,79 unequal: No Solution Moving to Node #0,2,1 Current State: 79:[64, 27], Operations: ['85-24=61', '61-34=27'] Exploring Operation: 64*27=1728, Resulting Numbers: [1728] 1728,79 unequal: No Solution Exploring Operation: 64+27=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[58, 21], Operations: ['34+24=58', '85-64=21'] Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[34, 85, 24, 64], Operations: [] Exploring Operation: 34+24=58, Resulting Numbers: [85, 64, 58] Generated Node #0,0: 79:[85, 64, 58] Operation: 34+24=58 Moving to Node #0,0 Current State: 79:[85, 64, 58], Operations: ['34+24=58'] Exploring Operation: 85-64=21, Resulting Numbers: [58, 21] Generated Node #0,0,1: 79:[58, 21] Operation: 85-64=21 Moving to Node #0,0,1 Current State: 79:[58, 21], Operations: ['34+24=58', '85-64=21'] Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
0.919271
hs_5
mult_heuristic
[ 15, 42, 21, 4 ]
51
[ "15+21=36", "36/4=9", "42+9=51" ]
Current State: 51:[15, 42, 21, 4], Operations: [] Exploring Operation: 15+21=36, Resulting Numbers: [42, 4, 36] Generated Node #2: [42, 4, 36] from Operation: 15+21=36 Current State: 51:[42, 4, 36], Operations: ['15+21=36'] Exploring Operation: 36/4=9, Resulting Numbers: [42, 9] Generated Node #3: [42, 9] from Operation: 36/4=9 Current State: 51:[42, 9], Operations: ['15+21=36', '36/4=9'] Exploring Operation: 42+9=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[15, 42, 21, 4], Operations: [] Exploring Operation: 42+4=46, Resulting Numbers: [15, 21, 46] Generated Node #0,0: 51:[15, 21, 46] Operation: 42+4=46 Exploring Operation: 42/21=2, Resulting Numbers: [15, 4, 2] Generated Node #0,1: 51:[15, 4, 2] Operation: 42/21=2 Exploring Operation: 42-21=21, Resulting Numbers: [15, 4, 21] Generated Node #0,2: 51:[15, 4, 21] Operation: 42-21=21 Exploring Operation: 15+42=57, Resulting Numbers: [21, 4, 57] Generated Node #0,3: 51:[21, 4, 57] Operation: 15+42=57 Moving to Node #0,1 Current State: 51:[15, 4, 2], Operations: ['42/21=2'] Exploring Operation: 15+4=19, Resulting Numbers: [2, 19] Generated Node #0,1,0: 51:[2, 19] Operation: 15+4=19 Exploring Operation: 4-2=2, Resulting Numbers: [15, 2] Generated Node #0,1,1: 51:[15, 2] Operation: 4-2=2 Exploring Operation: 15+2=17, Resulting Numbers: [4, 17] Generated Node #0,1,2: 51:[4, 17] Operation: 15+2=17 Exploring Operation: 4/2=2, Resulting Numbers: [15, 2] Generated Node #0,1,3: 51:[15, 2] Operation: 4/2=2 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 51:[4, 17], Operations: ['42/21=2', '15+2=17'] Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,51 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 51:[2, 19], Operations: ['42/21=2', '15+4=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,51 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 51:[15, 2], Operations: ['42/21=2', '4-2=2'] Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,51 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 51:[15, 2], Operations: ['42/21=2', '4/2=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,51 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,51 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,51 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: 51:[15, 4, 21], Operations: ['42-21=21'] Exploring Operation: 15+4=19, Resulting Numbers: [21, 19] Generated Node #0,2,0: 51:[21, 19] Operation: 15+4=19 Exploring Operation: 15-4=11, Resulting Numbers: [21, 11] Generated Node #0,2,1: 51:[21, 11] Operation: 15-4=11 Exploring Operation: 21-15=6, Resulting Numbers: [4, 6] Generated Node #0,2,2: 51:[4, 6] Operation: 21-15=6 Exploring Operation: 21-4=17, Resulting Numbers: [15, 17] Generated Node #0,2,3: 51:[15, 17] Operation: 21-4=17 Moving to Node #0,3 Current State: 51:[21, 4, 57], Operations: ['15+42=57'] Exploring Operation: 21+4=25, Resulting Numbers: [57, 25] Generated Node #0,3,0: 51:[57, 25] Operation: 21+4=25 Exploring Operation: 57-4=53, Resulting Numbers: [21, 53] Generated Node #0,3,1: 51:[21, 53] Operation: 57-4=53 Exploring Operation: 4+57=61, Resulting Numbers: [21, 61] Generated Node #0,3,2: 51:[21, 61] Operation: 4+57=61 Exploring Operation: 21-4=17, Resulting Numbers: [57, 17] Generated Node #0,3,3: 51:[57, 17] Operation: 21-4=17 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 51:[21, 53], Operations: ['15+42=57', '57-4=53'] Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 21*53=1113, Resulting Numbers: [1113] 1113,51 unequal: No Solution Exploring Operation: 21+53=74, Resulting Numbers: [74] 74,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 51:[57, 17], Operations: ['15+42=57', '21-4=17'] Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 57+17=74, Resulting Numbers: [74] 74,51 unequal: No Solution Exploring Operation: 57*17=969, Resulting Numbers: [969] 969,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 51:[57, 25], Operations: ['15+42=57', '21+4=25'] Exploring Operation: 57-25=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 57*25=1425, Resulting Numbers: [1425] 1425,51 unequal: No Solution Exploring Operation: 57+25=82, Resulting Numbers: [82] 82,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 51:[21, 61], Operations: ['15+42=57', '4+57=61'] Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,51 unequal: No Solution Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 51:[15, 21, 46], Operations: ['42+4=46'] Exploring Operation: 46-21=25, Resulting Numbers: [15, 25] Generated Node #0,0,0: 51:[15, 25] Operation: 46-21=25 Exploring Operation: 46-15=31, Resulting Numbers: [21, 31] Generated Node #0,0,1: 51:[21, 31] Operation: 46-15=31 Exploring Operation: 15+46=61, Resulting Numbers: [21, 61] Generated Node #0,0,2: 51:[21, 61] Operation: 15+46=61 Exploring Operation: 21-15=6, Resulting Numbers: [46, 6] Generated Node #0,0,3: 51:[46, 6] Operation: 21-15=6 Moving to Node #0,2,3 Current State: 51:[15, 17], Operations: ['42-21=21', '21-4=17'] Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,51 unequal: No Solution Exploring Operation: 15*17=255, Resulting Numbers: [255] 255,51 unequal: No Solution Moving to Node #0,2,2 Current State: 51:[4, 6], Operations: ['42-21=21', '21-15=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,51 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,51 unequal: No Solution Moving to Node #0,2,0 Current State: 51:[21, 19], Operations: ['42-21=21', '15+4=19'] Exploring Operation: 21*19=399, Resulting Numbers: [399] 399,51 unequal: No Solution Exploring Operation: 21-19=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 21+19=40, Resulting Numbers: [40] 40,51 unequal: No Solution Moving to Node #0,0,3 Current State: 51:[46, 6], Operations: ['42+4=46', '21-15=6'] Exploring Operation: 46*6=276, Resulting Numbers: [276] 276,51 unequal: No Solution Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,51 unequal: No Solution Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[15, 25], Operations: ['42+4=46', '46-21=25'] Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,51 unequal: No Solution Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,51 unequal: No Solution Moving to Node #0,2,1 Current State: 51:[21, 11], Operations: ['42-21=21', '15-4=11'] Exploring Operation: 21-11=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 21*11=231, Resulting Numbers: [231] 231,51 unequal: No Solution Exploring Operation: 21+11=32, Resulting Numbers: [32] 32,51 unequal: No Solution Moving to Node #0,0,2 Current State: 51:[21, 61], Operations: ['42+4=46', '15+46=61'] Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,51 unequal: No Solution Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,51 unequal: No Solution Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[21, 31], Operations: ['42+4=46', '46-15=31'] Exploring Operation: 21*31=651, Resulting Numbers: [651] 651,51 unequal: No Solution Exploring Operation: 31-21=10, Resulting Numbers: [10] 10,51 unequal: No Solution Exploring Operation: 21+31=52, Resulting Numbers: [52] 52,51 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 30, 84, 51, 92 ]
89
[ "84-30=54", "51+92=143", "143-54=89" ]
Current State: 89:[30, 84, 51, 92], Operations: [] Exploring Operation: 84-30=54, Resulting Numbers: [51, 92, 54] Generated Node #2: [51, 92, 54] from Operation: 84-30=54 Current State: 89:[51, 92, 54], Operations: ['84-30=54'] Exploring Operation: 51+92=143, Resulting Numbers: [54, 143] Generated Node #3: [54, 143] from Operation: 51+92=143 Current State: 89:[54, 143], Operations: ['84-30=54', '51+92=143'] Exploring Operation: 143-54=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[30, 84, 51, 92], Operations: [] Exploring Operation: 30+51=81, Resulting Numbers: [84, 92, 81] Generated Node #0,0: 89:[84, 92, 81] Operation: 30+51=81 Exploring Operation: 84-30=54, Resulting Numbers: [51, 92, 54] Generated Node #0,1: 89:[51, 92, 54] Operation: 84-30=54 Exploring Operation: 30+84=114, Resulting Numbers: [51, 92, 114] Generated Node #0,2: 89:[51, 92, 114] Operation: 30+84=114 Exploring Operation: 92-30=62, Resulting Numbers: [84, 51, 62] Generated Node #0,3: 89:[84, 51, 62] Operation: 92-30=62 Exploring Operation: 51-30=21, Resulting Numbers: [84, 92, 21] Generated Node #0,4: 89:[84, 92, 21] Operation: 51-30=21 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[84, 92, 81], Operations: ['30+51=81'] Exploring Operation: 92-81=11, Resulting Numbers: [84, 11] Generated Node #0,0,0: 89:[84, 11] Operation: 92-81=11 Exploring Operation: 84-81=3, Resulting Numbers: [92, 3] Generated Node #0,0,1: 89:[92, 3] Operation: 84-81=3 Exploring Operation: 92+81=173, Resulting Numbers: [84, 173] Generated Node #0,0,2: 89:[84, 173] Operation: 92+81=173 Exploring Operation: 84+81=165, Resulting Numbers: [92, 165] Generated Node #0,0,3: 89:[92, 165] Operation: 84+81=165 Exploring Operation: 92-84=8, Resulting Numbers: [81, 8] Generated Node #0,0,4: 89:[81, 8] Operation: 92-84=8 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 89:[92, 165], Operations: ['30+51=81', '84+81=165'] Exploring Operation: 92*165=15180, Resulting Numbers: [15180] 15180,89 unequal: No Solution Exploring Operation: 92+165=257, Resulting Numbers: [257] 257,89 unequal: No Solution Exploring Operation: 165-92=73, Resulting Numbers: [73] 73,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[84, 11], Operations: ['30+51=81', '92-81=11'] Exploring Operation: 84+11=95, Resulting Numbers: [95] 95,89 unequal: No Solution Exploring Operation: 84-11=73, Resulting Numbers: [73] 73,89 unequal: No Solution Exploring Operation: 84*11=924, Resulting Numbers: [924] 924,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[92, 3], Operations: ['30+51=81', '84-81=3'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[30, 84, 51, 92], Operations: [] Exploring Operation: 30+51=81, Resulting Numbers: [84, 92, 81] Generated Node #0,0: 89:[84, 92, 81] Operation: 30+51=81 Moving to Node #0,0 Current State: 89:[84, 92, 81], Operations: ['30+51=81'] Exploring Operation: 84-81=3, Resulting Numbers: [92, 3] Generated Node #0,0,1: 89:[92, 3] Operation: 84-81=3 Moving to Node #0,0,1 Current State: 89:[92, 3], Operations: ['30+51=81', '84-81=3'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 57, 24, 27, 36 ]
81
[ "57-24=33", "36-33=3", "27*3=81" ]
Current State: 81:[57, 24, 27, 36], Operations: [] Exploring Operation: 57-24=33, Resulting Numbers: [27, 36, 33] Generated Node #2: [27, 36, 33] from Operation: 57-24=33 Current State: 81:[27, 36, 33], Operations: ['57-24=33'] Exploring Operation: 36-33=3, Resulting Numbers: [27, 3] Generated Node #3: [27, 3] from Operation: 36-33=3 Current State: 81:[27, 3], Operations: ['57-24=33', '36-33=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[57, 24, 27, 36], Operations: [] Exploring Operation: 57+24=81, Resulting Numbers: [27, 36, 81] Generated Node #0,0: 81:[27, 36, 81] Operation: 57+24=81 Exploring Operation: 57-27=30, Resulting Numbers: [24, 36, 30] Generated Node #0,1: 81:[24, 36, 30] Operation: 57-27=30 Exploring Operation: 57+27=84, Resulting Numbers: [24, 36, 84] Generated Node #0,2: 81:[24, 36, 84] Operation: 57+27=84 Exploring Operation: 57-36=21, Resulting Numbers: [24, 27, 21] Generated Node #0,3: 81:[24, 27, 21] Operation: 57-36=21 Exploring Operation: 57-24=33, Resulting Numbers: [27, 36, 33] Generated Node #0,4: 81:[27, 36, 33] Operation: 57-24=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 81:[27, 36, 81], Operations: ['57+24=81'] Exploring Operation: 27+36=63, Resulting Numbers: [81, 63] Generated Node #0,0,0: 81:[81, 63] Operation: 27+36=63 Exploring Operation: 36-27=9, Resulting Numbers: [81, 9] Generated Node #0,0,1: 81:[81, 9] Operation: 36-27=9 Exploring Operation: 81/27=3, Resulting Numbers: [36, 3] Generated Node #0,0,2: 81:[36, 3] Operation: 81/27=3 Exploring Operation: 81-36=45, Resulting Numbers: [27, 45] Generated Node #0,0,3: 81:[27, 45] Operation: 81-36=45 Exploring Operation: 27+81=108, Resulting Numbers: [36, 108] Generated Node #0,0,4: 81:[36, 108] Operation: 27+81=108 Moving to Node #0,0,1 Current State: 81:[81, 9], Operations: ['57+24=81', '36-27=9'] Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,81 unequal: No Solution Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 81*9=729, Resulting Numbers: [729] 729,81 unequal: No Solution Moving to Node #0,0,2 Current State: 81:[36, 3], Operations: ['57+24=81', '81/27=3'] Exploring Operation: 36+3=39, Resulting Numbers: [39] 39,81 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,81 unequal: No Solution Exploring Operation: 36*3=108, Resulting Numbers: [108] 108,81 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,81 unequal: No Solution Moving to Node #0,0,0 Current State: 81:[81, 63], Operations: ['57+24=81', '27+36=63'] Exploring Operation: 81+63=144, Resulting Numbers: [144] 144,81 unequal: No Solution Exploring Operation: 81*63=5103, Resulting Numbers: [5103] 5103,81 unequal: No Solution Exploring Operation: 81-63=18, Resulting Numbers: [18] 18,81 unequal: No Solution Moving to Node #0,0,3 Current State: 81:[27, 45], Operations: ['57+24=81', '81-36=45'] Exploring Operation: 27*45=1215, Resulting Numbers: [1215] 1215,81 unequal: No Solution Exploring Operation: 45-27=18, Resulting Numbers: [18] 18,81 unequal: No Solution Exploring Operation: 27+45=72, Resulting Numbers: [72] 72,81 unequal: No Solution Moving to Node #0,0,4 Current State: 81:[36, 108], Operations: ['57+24=81', '27+81=108'] Exploring Operation: 108/36=3, Resulting Numbers: [3] 3,81 unequal: No Solution Exploring Operation: 108-36=72, Resulting Numbers: [72] 72,81 unequal: No Solution Exploring Operation: 36*108=3888, Resulting Numbers: [3888] 3888,81 unequal: No Solution Exploring Operation: 36+108=144, Resulting Numbers: [144] 144,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 81:[24, 27, 21], Operations: ['57-36=21'] Exploring Operation: 27-21=6, Resulting Numbers: [24, 6] Generated Node #0,3,0: 81:[24, 6] Operation: 27-21=6 Exploring Operation: 24+21=45, Resulting Numbers: [27, 45] Generated Node #0,3,1: 81:[27, 45] Operation: 24+21=45 Exploring Operation: 27-24=3, Resulting Numbers: [21, 3] Generated Node #0,3,2: 81:[21, 3] Operation: 27-24=3 Exploring Operation: 27+21=48, Resulting Numbers: [24, 48] Generated Node #0,3,3: 81:[24, 48] Operation: 27+21=48 Exploring Operation: 24-21=3, Resulting Numbers: [27, 3] Generated Node #0,3,4: 81:[27, 3] Operation: 24-21=3 Moving to Node #0,3,4 Current State: 81:[27, 3], Operations: ['57-36=21', '24-21=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[57, 24, 27, 36], Operations: [] Exploring Operation: 57-36=21, Resulting Numbers: [24, 27, 21] Generated Node #0,3: 81:[24, 27, 21] Operation: 57-36=21 Moving to Node #0,3 Current State: 81:[24, 27, 21], Operations: ['57-36=21'] Exploring Operation: 24-21=3, Resulting Numbers: [27, 3] Generated Node #0,3,4: 81:[27, 3] Operation: 24-21=3 Moving to Node #0,3,4 Current State: 81:[27, 3], Operations: ['57-36=21', '24-21=3'] Exploring Operation: 27*3=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.967014
hs_5
sum_heuristic