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
[ 6, 4, 62, 24 ]
63
[ "6*4=24", "24/24=1", "62+1=63" ]
Current State: 63:[6, 4, 62, 24], Operations: [] Exploring Operation: 6*4=24, Resulting Numbers: [62, 24, 24] Generated Node #2: [62, 24, 24] from Operation: 6*4=24 Current State: 63:[62, 24, 24], Operations: ['6*4=24'] Exploring Operation: 24/24=1, Resulting Numbers: [62, 1] Generated Node #3: [62, 1] from Operation: 24/24=1 Current State: 63:[62, 1], Operations: ['6*4=24', '24/24=1'] Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[6, 4, 62, 24], Operations: [] Exploring Operation: 24/4=6, Resulting Numbers: [6, 62, 6] Generated Node #0,0: 63:[6, 62, 6] Operation: 24/4=6 Exploring Operation: 24/6=4, Resulting Numbers: [4, 62, 4] Generated Node #0,1: 63:[4, 62, 4] Operation: 24/6=4 Exploring Operation: 6-4=2, Resulting Numbers: [62, 24, 2] Generated Node #0,2: 63:[62, 24, 2] Operation: 6-4=2 Exploring Operation: 24-4=20, Resulting Numbers: [6, 62, 20] Generated Node #0,3: 63:[6, 62, 20] Operation: 24-4=20 Exploring Operation: 6+4=10, Resulting Numbers: [62, 24, 10] Generated Node #0,4: 63:[62, 24, 10] Operation: 6+4=10 Moving to Node #0,0 Current State: 63:[6, 62, 6], Operations: ['24/4=6'] Exploring Operation: 62+6=68, Resulting Numbers: [6, 68] Generated Node #0,0,0: 63:[6, 68] Operation: 62+6=68 Exploring Operation: 6+6=12, Resulting Numbers: [62, 12] Generated Node #0,0,1: 63:[62, 12] Operation: 6+6=12 Exploring Operation: 6+62=68, Resulting Numbers: [6, 68] Generated Node #0,0,2: 63:[6, 68] Operation: 6+62=68 Exploring Operation: 6/6=1, Resulting Numbers: [62, 1] Generated Node #0,0,3: 63:[62, 1] Operation: 6/6=1 Exploring Operation: 6-6=0, Resulting Numbers: [62, 0] Generated Node #0,0,4: 63:[62, 0] Operation: 6-6=0 Moving to Node #0,3 Current State: 63:[6, 62, 20], Operations: ['24-4=20'] Exploring Operation: 62+20=82, Resulting Numbers: [6, 82] Generated Node #0,3,0: 63:[6, 82] Operation: 62+20=82 Exploring Operation: 62-6=56, Resulting Numbers: [20, 56] Generated Node #0,3,1: 63:[20, 56] Operation: 62-6=56 Exploring Operation: 6+62=68, Resulting Numbers: [20, 68] Generated Node #0,3,2: 63:[20, 68] Operation: 6+62=68 Exploring Operation: 6+20=26, Resulting Numbers: [62, 26] Generated Node #0,3,3: 63:[62, 26] Operation: 6+20=26 Exploring Operation: 20-6=14, Resulting Numbers: [62, 14] Generated Node #0,3,4: 63:[62, 14] Operation: 20-6=14 Moving to Node #0,1 Current State: 63:[4, 62, 4], Operations: ['24/6=4'] Exploring Operation: 4+62=66, Resulting Numbers: [4, 66] Generated Node #0,1,0: 63:[4, 66] Operation: 4+62=66 Exploring Operation: 4/4=1, Resulting Numbers: [62, 1] Generated Node #0,1,1: 63:[62, 1] Operation: 4/4=1 Exploring Operation: 4-4=0, Resulting Numbers: [62, 0] Generated Node #0,1,2: 63:[62, 0] Operation: 4-4=0 Exploring Operation: 4+4=8, Resulting Numbers: [62, 8] Generated Node #0,1,3: 63:[62, 8] Operation: 4+4=8 Exploring Operation: 62+4=66, Resulting Numbers: [4, 66] Generated Node #0,1,4: 63:[4, 66] Operation: 62+4=66 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[62, 8], Operations: ['24/6=4', '4+4=8'] Exploring Operation: 62*8=496, Resulting Numbers: [496] 496,63 unequal: No Solution Exploring Operation: 62-8=54, Resulting Numbers: [54] 54,63 unequal: No Solution Exploring Operation: 62+8=70, Resulting Numbers: [70] 70,63 unequal: No Solution No 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: 63:[62, 1], Operations: ['24/6=4', '4/4=1'] Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[6, 4, 62, 24], Operations: [] Exploring Operation: 24/6=4, Resulting Numbers: [4, 62, 4] Generated Node #0,1: 63:[4, 62, 4] Operation: 24/6=4 Moving to Node #0,1 Current State: 63:[4, 62, 4], Operations: ['24/6=4'] Exploring Operation: 4/4=1, Resulting Numbers: [62, 1] Generated Node #0,1,1: 63:[62, 1] Operation: 4/4=1 Moving to Node #0,1,1 Current State: 63:[62, 1], Operations: ['24/6=4', '4/4=1'] Exploring Operation: 62+1=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_5
mult_heuristic
[ 30, 90, 12, 74 ]
83
[ "90/30=3", "12+74=86", "86-3=83" ]
Current State: 83:[30, 90, 12, 74], Operations: [] Exploring Operation: 90/30=3, Resulting Numbers: [12, 74, 3] Generated Node #2: [12, 74, 3] from Operation: 90/30=3 Current State: 83:[12, 74, 3], Operations: ['90/30=3'] Exploring Operation: 12+74=86, Resulting Numbers: [3, 86] Generated Node #3: [3, 86] from Operation: 12+74=86 Current State: 83:[3, 86], Operations: ['90/30=3', '12+74=86'] Exploring Operation: 86-3=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[30, 90, 12, 74], Operations: [] Exploring Operation: 30+12=42, Resulting Numbers: [90, 74, 42] Generated Node #0,0: 83:[90, 74, 42] Operation: 30+12=42 Exploring Operation: 12+74=86, Resulting Numbers: [30, 90, 86] Generated Node #0,1: 83:[30, 90, 86] Operation: 12+74=86 Moving to Node #0,0 Current State: 83:[90, 74, 42], Operations: ['30+12=42'] Exploring Operation: 74+42=116, Resulting Numbers: [90, 116] Generated Node #0,0,0: 83:[90, 116] Operation: 74+42=116 Exploring Operation: 90-42=48, Resulting Numbers: [74, 48] Generated Node #0,0,1: 83:[74, 48] Operation: 90-42=48 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[90, 116], Operations: ['30+12=42', '74+42=116'] Exploring Operation: 90+116=206, Resulting Numbers: [206] 206,83 unequal: No Solution Exploring Operation: 116-90=26, Resulting Numbers: [26] 26,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[74, 48], Operations: ['30+12=42', '90-42=48'] Exploring Operation: 74+48=122, Resulting Numbers: [122] 122,83 unequal: No Solution Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,83 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: 83:[30, 90, 86], Operations: ['12+74=86'] Exploring Operation: 90-30=60, Resulting Numbers: [86, 60] Generated Node #0,1,0: 83:[86, 60] Operation: 90-30=60 Exploring Operation: 86-30=56, Resulting Numbers: [90, 56] Generated Node #0,1,1: 83:[90, 56] Operation: 86-30=56 Moving to Node #0,1,0 Current State: 83:[86, 60], Operations: ['12+74=86', '90-30=60'] Exploring Operation: 86-60=26, Resulting Numbers: [26] 26,83 unequal: No Solution Exploring Operation: 86+60=146, Resulting Numbers: [146] 146,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[90, 56], Operations: ['12+74=86', '86-30=56'] Exploring Operation: 90+56=146, Resulting Numbers: [146] 146,83 unequal: No Solution Exploring Operation: 90-56=34, Resulting Numbers: [34] 34,83 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 16, 60, 19, 50 ]
13
[ "60-16=44", "50-19=31", "44-31=13" ]
Current State: 13:[16, 60, 19, 50], Operations: [] Exploring Operation: 60-16=44, Resulting Numbers: [19, 50, 44] Generated Node #2: [19, 50, 44] from Operation: 60-16=44 Current State: 13:[19, 50, 44], Operations: ['60-16=44'] Exploring Operation: 50-19=31, Resulting Numbers: [44, 31] Generated Node #3: [44, 31] from Operation: 50-19=31 Current State: 13:[44, 31], Operations: ['60-16=44', '50-19=31'] Exploring Operation: 44-31=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[16, 60, 19, 50], Operations: [] Exploring Operation: 50-19=31, Resulting Numbers: [16, 60, 31] Generated Node #0,0: 13:[16, 60, 31] Operation: 50-19=31 Exploring Operation: 60-19=41, Resulting Numbers: [16, 50, 41] Generated Node #0,1: 13:[16, 50, 41] Operation: 60-19=41 Exploring Operation: 60-50=10, Resulting Numbers: [16, 19, 10] Generated Node #0,2: 13:[16, 19, 10] Operation: 60-50=10 Exploring Operation: 60-16=44, Resulting Numbers: [19, 50, 44] Generated Node #0,3: 13:[19, 50, 44] Operation: 60-16=44 Moving to Node #0,2 Current State: 13:[16, 19, 10], Operations: ['60-50=10'] Exploring Operation: 16-10=6, Resulting Numbers: [19, 6] Generated Node #0,2,0: 13:[19, 6] Operation: 16-10=6 Exploring Operation: 19-10=9, Resulting Numbers: [16, 9] Generated Node #0,2,1: 13:[16, 9] Operation: 19-10=9 Exploring Operation: 19-16=3, Resulting Numbers: [10, 3] Generated Node #0,2,2: 13:[10, 3] Operation: 19-16=3 Exploring Operation: 16+10=26, Resulting Numbers: [19, 26] Generated Node #0,2,3: 13:[19, 26] Operation: 16+10=26 Moving to Node #0,1 Current State: 13:[16, 50, 41], Operations: ['60-19=41'] Exploring Operation: 50-16=34, Resulting Numbers: [41, 34] Generated Node #0,1,0: 13:[41, 34] Operation: 50-16=34 Exploring Operation: 41-16=25, Resulting Numbers: [50, 25] Generated Node #0,1,1: 13:[50, 25] Operation: 41-16=25 Exploring Operation: 16+50=66, Resulting Numbers: [41, 66] Generated Node #0,1,2: 13:[41, 66] Operation: 16+50=66 Exploring Operation: 50-41=9, Resulting Numbers: [16, 9] Generated Node #0,1,3: 13:[16, 9] Operation: 50-41=9 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 13:[16, 9], Operations: ['60-19=41', '50-41=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,13 unequal: No Solution Exploring Operation: 16*9=144, Resulting Numbers: [144] 144,13 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,13 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:[41, 34], Operations: ['60-19=41', '50-16=34'] Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 41*34=1394, Resulting Numbers: [1394] 1394,13 unequal: No Solution Exploring Operation: 41+34=75, Resulting Numbers: [75] 75,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[50, 25], Operations: ['60-19=41', '41-16=25'] Exploring Operation: 50+25=75, Resulting Numbers: [75] 75,13 unequal: No Solution Exploring Operation: 50*25=1250, Resulting Numbers: [1250] 1250,13 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,13 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[41, 66], Operations: ['60-19=41', '16+50=66'] Exploring Operation: 41*66=2706, Resulting Numbers: [2706] 2706,13 unequal: No Solution Exploring Operation: 41+66=107, Resulting Numbers: [107] 107,13 unequal: No Solution Exploring Operation: 66-41=25, Resulting Numbers: [25] 25,13 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:[16, 60, 31], Operations: ['50-19=31'] Exploring Operation: 60-16=44, Resulting Numbers: [31, 44] Generated Node #0,0,0: 13:[31, 44] Operation: 60-16=44 Exploring Operation: 16+60=76, Resulting Numbers: [31, 76] Generated Node #0,0,1: 13:[31, 76] Operation: 16+60=76 Exploring Operation: 31-16=15, Resulting Numbers: [60, 15] Generated Node #0,0,2: 13:[60, 15] Operation: 31-16=15 Exploring Operation: 60-31=29, Resulting Numbers: [16, 29] Generated Node #0,0,3: 13:[16, 29] Operation: 60-31=29 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 13:[16, 29], Operations: ['50-19=31', '60-31=29'] Exploring Operation: 16+29=45, Resulting Numbers: [45] 45,13 unequal: No Solution Exploring Operation: 16*29=464, Resulting Numbers: [464] 464,13 unequal: No Solution Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[16, 60, 19, 50], Operations: [] Exploring Operation: 50-19=31, Resulting Numbers: [16, 60, 31] Generated Node #0,0: 13:[16, 60, 31] Operation: 50-19=31 Moving to Node #0,0 Current State: 13:[16, 60, 31], Operations: ['50-19=31'] Exploring Operation: 60-31=29, Resulting Numbers: [16, 29] Generated Node #0,0,3: 13:[16, 29] Operation: 60-31=29 Moving to Node #0,0,3 Current State: 13:[16, 29], Operations: ['50-19=31', '60-31=29'] Exploring Operation: 29-16=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_4
sum_heuristic
[ 50, 75, 56, 51 ]
85
[ "56-51=5", "50/5=10", "75+10=85" ]
Current State: 85:[50, 75, 56, 51], Operations: [] Exploring Operation: 56-51=5, Resulting Numbers: [50, 75, 5] Generated Node #2: [50, 75, 5] from Operation: 56-51=5 Current State: 85:[50, 75, 5], Operations: ['56-51=5'] Exploring Operation: 50/5=10, Resulting Numbers: [75, 10] Generated Node #3: [75, 10] from Operation: 50/5=10 Current State: 85:[75, 10], Operations: ['56-51=5', '50/5=10'] Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[50, 75, 56, 51], Operations: [] Exploring Operation: 51-50=1, Resulting Numbers: [75, 56, 1] Generated Node #0,0: 85:[75, 56, 1] Operation: 51-50=1 Exploring Operation: 56-51=5, Resulting Numbers: [50, 75, 5] Generated Node #0,1: 85:[50, 75, 5] Operation: 56-51=5 Exploring Operation: 56-50=6, Resulting Numbers: [75, 51, 6] Generated Node #0,2: 85:[75, 51, 6] Operation: 56-50=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[75, 56, 1], Operations: ['51-50=1'] Exploring Operation: 56+1=57, Resulting Numbers: [75, 57] Generated Node #0,0,0: 85:[75, 57] Operation: 56+1=57 Exploring Operation: 75-56=19, Resulting Numbers: [1, 19] Generated Node #0,0,1: 85:[1, 19] Operation: 75-56=19 Exploring Operation: 75+1=76, Resulting Numbers: [56, 76] Generated Node #0,0,2: 85:[56, 76] Operation: 75+1=76 Moving to Node #0,0,1 Current State: 85:[1, 19], Operations: ['51-50=1', '75-56=19'] Exploring Operation: 1*19=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[75, 57], Operations: ['51-50=1', '56+1=57'] Exploring Operation: 75+57=132, Resulting Numbers: [132] 132,85 unequal: No Solution Exploring Operation: 75*57=4275, Resulting Numbers: [4275] 4275,85 unequal: No Solution Exploring Operation: 75-57=18, Resulting Numbers: [18] 18,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[56, 76], Operations: ['51-50=1', '75+1=76'] Exploring Operation: 76-56=20, Resulting Numbers: [20] 20,85 unequal: No Solution Exploring Operation: 56*76=4256, Resulting Numbers: [4256] 4256,85 unequal: No Solution Exploring Operation: 56+76=132, Resulting Numbers: [132] 132,85 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 Current State: 85:[50, 75, 5], Operations: ['56-51=5'] Exploring Operation: 75-50=25, Resulting Numbers: [5, 25] Generated Node #0,1,0: 85:[5, 25] Operation: 75-50=25 Exploring Operation: 75/5=15, Resulting Numbers: [50, 15] Generated Node #0,1,1: 85:[50, 15] Operation: 75/5=15 Exploring Operation: 50/5=10, Resulting Numbers: [75, 10] Generated Node #0,1,2: 85:[75, 10] Operation: 50/5=10 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 85:[5, 25], Operations: ['56-51=5', '75-50=25'] Exploring Operation: 5+25=30, Resulting Numbers: [30] 30,85 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,85 unequal: No Solution Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,85 unequal: No Solution No 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: 85:[75, 10], Operations: ['56-51=5', '50/5=10'] Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,85 unequal: No Solution Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[50, 75, 56, 51], Operations: [] Exploring Operation: 56-51=5, Resulting Numbers: [50, 75, 5] Generated Node #0,1: 85:[50, 75, 5] Operation: 56-51=5 Moving to Node #0,1 Current State: 85:[50, 75, 5], Operations: ['56-51=5'] Exploring Operation: 50/5=10, Resulting Numbers: [75, 10] Generated Node #0,1,2: 85:[75, 10] Operation: 50/5=10 Moving to Node #0,1,2 Current State: 85:[75, 10], Operations: ['56-51=5', '50/5=10'] Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 76, 42, 40, 5 ]
69
[ "76-42=34", "40-5=35", "34+35=69" ]
Current State: 69:[76, 42, 40, 5], Operations: [] Exploring Operation: 76-42=34, Resulting Numbers: [40, 5, 34] Generated Node #2: [40, 5, 34] from Operation: 76-42=34 Current State: 69:[40, 5, 34], Operations: ['76-42=34'] Exploring Operation: 40-5=35, Resulting Numbers: [34, 35] Generated Node #3: [34, 35] from Operation: 40-5=35 Current State: 69:[34, 35], Operations: ['76-42=34', '40-5=35'] Exploring Operation: 34+35=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[76, 42, 40, 5], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [76, 5, 2] Generated Node #0,0: 69:[76, 5, 2] Operation: 42-40=2 Exploring Operation: 42+40=82, Resulting Numbers: [76, 5, 82] Generated Node #0,1: 69:[76, 5, 82] Operation: 42+40=82 Exploring Operation: 40/5=8, Resulting Numbers: [76, 42, 8] Generated Node #0,2: 69:[76, 42, 8] Operation: 40/5=8 Exploring Operation: 76-40=36, Resulting Numbers: [42, 5, 36] Generated Node #0,3: 69:[42, 5, 36] Operation: 76-40=36 Exploring Operation: 76-42=34, Resulting Numbers: [40, 5, 34] Generated Node #0,4: 69:[40, 5, 34] Operation: 76-42=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[76, 5, 2], Operations: ['42-40=2'] Exploring Operation: 76+2=78, Resulting Numbers: [5, 78] Generated Node #0,0,0: 69:[5, 78] Operation: 76+2=78 Exploring Operation: 76-2=74, Resulting Numbers: [5, 74] Generated Node #0,0,1: 69:[5, 74] Operation: 76-2=74 Exploring Operation: 5+2=7, Resulting Numbers: [76, 7] Generated Node #0,0,2: 69:[76, 7] Operation: 5+2=7 Exploring Operation: 76-5=71, Resulting Numbers: [2, 71] Generated Node #0,0,3: 69:[2, 71] Operation: 76-5=71 Exploring Operation: 5-2=3, Resulting Numbers: [76, 3] Generated Node #0,0,4: 69:[76, 3] Operation: 5-2=3 Moving to Node #0,0,3 Current State: 69:[2, 71], Operations: ['42-40=2', '76-5=71'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[76, 42, 40, 5], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [76, 5, 2] Generated Node #0,0: 69:[76, 5, 2] Operation: 42-40=2 Moving to Node #0,0 Current State: 69:[76, 5, 2], Operations: ['42-40=2'] Exploring Operation: 76-5=71, Resulting Numbers: [2, 71] Generated Node #0,0,3: 69:[2, 71] Operation: 76-5=71 Moving to Node #0,0,3 Current State: 69:[2, 71], Operations: ['42-40=2', '76-5=71'] Exploring Operation: 71-2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 23, 81, 6, 99 ]
20
[ "99-81=18", "18/6=3", "23-3=20" ]
Current State: 20:[23, 81, 6, 99], Operations: [] Exploring Operation: 99-81=18, Resulting Numbers: [23, 6, 18] Generated Node #2: [23, 6, 18] from Operation: 99-81=18 Current State: 20:[23, 6, 18], Operations: ['99-81=18'] Exploring Operation: 18/6=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 18/6=3 Current State: 20:[23, 3], Operations: ['99-81=18', '18/6=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[23, 81, 6, 99], Operations: [] Exploring Operation: 99-81=18, Resulting Numbers: [23, 6, 18] Generated Node #0,0: 20:[23, 6, 18] Operation: 99-81=18 Exploring Operation: 81-23=58, Resulting Numbers: [6, 99, 58] Generated Node #0,1: 20:[6, 99, 58] Operation: 81-23=58 Exploring Operation: 99-23=76, Resulting Numbers: [81, 6, 76] Generated Node #0,2: 20:[81, 6, 76] Operation: 99-23=76 Moving to Node #0,0 Current State: 20:[23, 6, 18], Operations: ['99-81=18'] Exploring Operation: 18/6=3, Resulting Numbers: [23, 3] Generated Node #0,0,0: 20:[23, 3] Operation: 18/6=3 Exploring Operation: 23-6=17, Resulting Numbers: [18, 17] Generated Node #0,0,1: 20:[18, 17] Operation: 23-6=17 Exploring Operation: 23-18=5, Resulting Numbers: [6, 5] Generated Node #0,0,2: 20:[6, 5] Operation: 23-18=5 Moving to Node #0,1 Current State: 20:[6, 99, 58], Operations: ['81-23=58'] Exploring Operation: 99-6=93, Resulting Numbers: [58, 93] Generated Node #0,1,0: 20:[58, 93] Operation: 99-6=93 Exploring Operation: 58-6=52, Resulting Numbers: [99, 52] Generated Node #0,1,1: 20:[99, 52] Operation: 58-6=52 Exploring Operation: 99-58=41, Resulting Numbers: [6, 41] Generated Node #0,1,2: 20:[6, 41] Operation: 99-58=41 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 20:[6, 41], Operations: ['81-23=58', '99-58=41'] Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,20 unequal: No Solution Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 20:[58, 93], Operations: ['81-23=58', '99-6=93'] Exploring Operation: 58+93=151, Resulting Numbers: [151] 151,20 unequal: No Solution Exploring Operation: 58*93=5394, Resulting Numbers: [5394] 5394,20 unequal: No Solution Exploring Operation: 93-58=35, Resulting Numbers: [35] 35,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 20:[99, 52], Operations: ['81-23=58', '58-6=52'] Exploring Operation: 99+52=151, Resulting Numbers: [151] 151,20 unequal: No Solution Exploring Operation: 99-52=47, Resulting Numbers: [47] 47,20 unequal: No Solution Exploring Operation: 99*52=5148, Resulting Numbers: [5148] 5148,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 20:[81, 6, 76], Operations: ['99-23=76'] Exploring Operation: 81-76=5, Resulting Numbers: [6, 5] Generated Node #0,2,0: 20:[6, 5] Operation: 81-76=5 Exploring Operation: 81-6=75, Resulting Numbers: [76, 75] Generated Node #0,2,1: 20:[76, 75] Operation: 81-6=75 Exploring Operation: 76-6=70, Resulting Numbers: [81, 70] Generated Node #0,2,2: 20:[81, 70] Operation: 76-6=70 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[6, 5], Operations: ['99-23=76', '81-76=5'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 20:[76, 75], Operations: ['99-23=76', '81-6=75'] Exploring Operation: 76+75=151, Resulting Numbers: [151] 151,20 unequal: No Solution Exploring Operation: 76*75=5700, Resulting Numbers: [5700] 5700,20 unequal: No Solution Exploring Operation: 76-75=1, Resulting Numbers: [1] 1,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 20:[81, 70], Operations: ['99-23=76', '76-6=70'] Exploring Operation: 81*70=5670, Resulting Numbers: [5670] 5670,20 unequal: No Solution Exploring Operation: 81+70=151, Resulting Numbers: [151] 151,20 unequal: No Solution Exploring Operation: 81-70=11, Resulting Numbers: [11] 11,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 20:[6, 5], Operations: ['99-81=18', '23-18=5'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[23, 3], Operations: ['99-81=18', '18/6=3'] Exploring Operation: 23+3=26, Resulting Numbers: [26] 26,20 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[23, 81, 6, 99], Operations: [] Exploring Operation: 99-81=18, Resulting Numbers: [23, 6, 18] Generated Node #0,0: 20:[23, 6, 18] Operation: 99-81=18 Moving to Node #0,0 Current State: 20:[23, 6, 18], Operations: ['99-81=18'] Exploring Operation: 18/6=3, Resulting Numbers: [23, 3] Generated Node #0,0,0: 20:[23, 3] Operation: 18/6=3 Moving to Node #0,0,0 Current State: 20:[23, 3], Operations: ['99-81=18', '18/6=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.966146
hs_3
sum_heuristic
[ 96, 3, 83, 28 ]
18
[ "96-3=93", "83+28=111", "111-93=18" ]
Current State: 18:[96, 3, 83, 28], Operations: [] Exploring Operation: 96-3=93, Resulting Numbers: [83, 28, 93] Generated Node #2: [83, 28, 93] from Operation: 96-3=93 Current State: 18:[83, 28, 93], Operations: ['96-3=93'] Exploring Operation: 83+28=111, Resulting Numbers: [93, 111] Generated Node #3: [93, 111] from Operation: 83+28=111 Current State: 18:[93, 111], Operations: ['96-3=93', '83+28=111'] Exploring Operation: 111-93=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[96, 3, 83, 28], Operations: [] Exploring Operation: 96/3=32, Resulting Numbers: [83, 28, 32] Generated Node #0,0: 18:[83, 28, 32] Operation: 96/3=32 Exploring Operation: 96-83=13, Resulting Numbers: [3, 28, 13] Generated Node #0,1: 18:[3, 28, 13] Operation: 96-83=13 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[3, 28, 13], Operations: ['96-83=13'] Exploring Operation: 28-3=25, Resulting Numbers: [13, 25] Generated Node #0,1,0: 18:[13, 25] Operation: 28-3=25 Exploring Operation: 28-13=15, Resulting Numbers: [3, 15] Generated Node #0,1,1: 18:[3, 15] Operation: 28-13=15 Moving to Node #0,1,1 Current State: 18:[3, 15], Operations: ['96-83=13', '28-13=15'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[96, 3, 83, 28], Operations: [] Exploring Operation: 96-83=13, Resulting Numbers: [3, 28, 13] Generated Node #0,1: 18:[3, 28, 13] Operation: 96-83=13 Moving to Node #0,1 Current State: 18:[3, 28, 13], Operations: ['96-83=13'] Exploring Operation: 28-13=15, Resulting Numbers: [3, 15] Generated Node #0,1,1: 18:[3, 15] Operation: 28-13=15 Moving to Node #0,1,1 Current State: 18:[3, 15], Operations: ['96-83=13', '28-13=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 13, 47, 13, 43 ]
89
[ "13/13=1", "47+43=90", "90-1=89" ]
Current State: 89:[13, 47, 13, 43], Operations: [] Exploring Operation: 13/13=1, Resulting Numbers: [47, 43, 1] Generated Node #2: [47, 43, 1] from Operation: 13/13=1 Current State: 89:[47, 43, 1], Operations: ['13/13=1'] Exploring Operation: 47+43=90, Resulting Numbers: [1, 90] Generated Node #3: [1, 90] from Operation: 47+43=90 Current State: 89:[1, 90], Operations: ['13/13=1', '47+43=90'] Exploring Operation: 90-1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[13, 47, 13, 43], Operations: [] Exploring Operation: 13+43=56, Resulting Numbers: [47, 13, 56] Generated Node #0,0: 89:[47, 13, 56] Operation: 13+43=56 Exploring Operation: 13+47=60, Resulting Numbers: [13, 43, 60] Generated Node #0,1: 89:[13, 43, 60] Operation: 13+47=60 Exploring Operation: 13+13=26, Resulting Numbers: [47, 43, 26] Generated Node #0,2: 89:[47, 43, 26] Operation: 13+13=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[47, 13, 56], Operations: ['13+43=56'] Exploring Operation: 47+13=60, Resulting Numbers: [56, 60] Generated Node #0,0,0: 89:[56, 60] Operation: 47+13=60 Exploring Operation: 47-13=34, Resulting Numbers: [56, 34] Generated Node #0,0,1: 89:[56, 34] Operation: 47-13=34 Exploring Operation: 13+56=69, Resulting Numbers: [47, 69] Generated Node #0,0,2: 89:[47, 69] Operation: 13+56=69 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 89:[56, 60], Operations: ['13+43=56', '47+13=60'] Exploring Operation: 56+60=116, Resulting Numbers: [116] 116,89 unequal: No Solution Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,89 unequal: No Solution Exploring Operation: 56*60=3360, Resulting Numbers: [3360] 3360,89 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 #0,0,2 Current State: 89:[47, 69], Operations: ['13+43=56', '13+56=69'] Exploring Operation: 47+69=116, Resulting Numbers: [116] 116,89 unequal: No Solution Exploring Operation: 69-47=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 47*69=3243, Resulting Numbers: [3243] 3243,89 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:[56, 34], Operations: ['13+43=56', '47-13=34'] Exploring Operation: 56*34=1904, Resulting Numbers: [1904] 1904,89 unequal: No Solution Exploring Operation: 56-34=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 56+34=90, Resulting Numbers: [90] 90,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[13, 43, 60], Operations: ['13+47=60'] Exploring Operation: 43-13=30, Resulting Numbers: [60, 30] Generated Node #0,1,0: 89:[60, 30] Operation: 43-13=30 Exploring Operation: 13+43=56, Resulting Numbers: [60, 56] Generated Node #0,1,1: 89:[60, 56] Operation: 13+43=56 Exploring Operation: 13+60=73, Resulting Numbers: [43, 73] Generated Node #0,1,2: 89:[43, 73] Operation: 13+60=73 Moving to Node #0,1,1 Current State: 89:[60, 56], Operations: ['13+47=60', '13+43=56'] Exploring Operation: 60*56=3360, Resulting Numbers: [3360] 3360,89 unequal: No Solution Exploring Operation: 60+56=116, Resulting Numbers: [116] 116,89 unequal: No Solution Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[43, 73], Operations: ['13+47=60', '13+60=73'] Exploring Operation: 43+73=116, Resulting Numbers: [116] 116,89 unequal: No Solution Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,89 unequal: No Solution Exploring Operation: 43*73=3139, Resulting Numbers: [3139] 3139,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[60, 30], Operations: ['13+47=60', '43-13=30'] Exploring Operation: 60/30=2, Resulting Numbers: [2] 2,89 unequal: No Solution Exploring Operation: 60-30=30, Resulting Numbers: [30] 30,89 unequal: No Solution Exploring Operation: 60+30=90, Resulting Numbers: [90] 90,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[47, 43, 26], Operations: ['13+13=26'] Exploring Operation: 47+43=90, Resulting Numbers: [26, 90] Generated Node #0,2,0: 89:[26, 90] Operation: 47+43=90 Exploring Operation: 43+26=69, Resulting Numbers: [47, 69] Generated Node #0,2,1: 89:[47, 69] Operation: 43+26=69 Exploring Operation: 47+26=73, Resulting Numbers: [43, 73] Generated Node #0,2,2: 89:[43, 73] Operation: 47+26=73 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[47, 69], Operations: ['13+13=26', '43+26=69'] Exploring Operation: 69-47=22, Resulting Numbers: [22] 22,89 unequal: No Solution Exploring Operation: 47*69=3243, Resulting Numbers: [3243] 3243,89 unequal: No Solution Exploring Operation: 47+69=116, Resulting Numbers: [116] 116,89 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 #0,2,2 Current State: 89:[43, 73], Operations: ['13+13=26', '47+26=73'] Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,89 unequal: No Solution Exploring Operation: 43+73=116, Resulting Numbers: [116] 116,89 unequal: No Solution Exploring Operation: 43*73=3139, Resulting Numbers: [3139] 3139,89 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 #0,2,0 Current State: 89:[26, 90], Operations: ['13+13=26', '47+43=90'] Exploring Operation: 26+90=116, Resulting Numbers: [116] 116,89 unequal: No Solution Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,89 unequal: No Solution Exploring Operation: 26*90=2340, Resulting Numbers: [2340] 2340,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 14, 1, 22, 52 ]
61
[ "14-1=13", "22+52=74", "74-13=61" ]
Current State: 61:[14, 1, 22, 52], Operations: [] Exploring Operation: 14-1=13, Resulting Numbers: [22, 52, 13] Generated Node #2: [22, 52, 13] from Operation: 14-1=13 Current State: 61:[22, 52, 13], Operations: ['14-1=13'] Exploring Operation: 22+52=74, Resulting Numbers: [13, 74] Generated Node #3: [13, 74] from Operation: 22+52=74 Current State: 61:[13, 74], Operations: ['14-1=13', '22+52=74'] Exploring Operation: 74-13=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[14, 1, 22, 52], Operations: [] Exploring Operation: 14*1=14, Resulting Numbers: [22, 52, 14] Generated Node #0,0: 61:[22, 52, 14] Operation: 14*1=14 Exploring Operation: 14+22=36, Resulting Numbers: [1, 52, 36] Generated Node #0,1: 61:[1, 52, 36] Operation: 14+22=36 Exploring Operation: 14+1=15, Resulting Numbers: [22, 52, 15] Generated Node #0,2: 61:[22, 52, 15] Operation: 14+1=15 Exploring Operation: 1+52=53, Resulting Numbers: [14, 22, 53] Generated Node #0,3: 61:[14, 22, 53] Operation: 1+52=53 Exploring Operation: 1+22=23, Resulting Numbers: [14, 52, 23] Generated Node #0,4: 61:[14, 52, 23] Operation: 1+22=23 Moving to Node #0,1 Current State: 61:[1, 52, 36], Operations: ['14+22=36'] Exploring Operation: 1+52=53, Resulting Numbers: [36, 53] Generated Node #0,1,0: 61:[36, 53] Operation: 1+52=53 Exploring Operation: 1*52=52, Resulting Numbers: [36, 52] Generated Node #0,1,1: 61:[36, 52] Operation: 1*52=52 Exploring Operation: 1*36=36, Resulting Numbers: [52, 36] Generated Node #0,1,2: 61:[52, 36] Operation: 1*36=36 Exploring Operation: 1+36=37, Resulting Numbers: [52, 37] Generated Node #0,1,3: 61:[52, 37] Operation: 1+36=37 Exploring Operation: 52/1=52, Resulting Numbers: [36, 52] Generated Node #0,1,4: 61:[36, 52] Operation: 52/1=52 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[36, 53], Operations: ['14+22=36', '1+52=53'] Exploring Operation: 36*53=1908, Resulting Numbers: [1908] 1908,61 unequal: No Solution Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,61 unequal: No Solution Exploring Operation: 36+53=89, Resulting Numbers: [89] 89,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 61:[52, 37], Operations: ['14+22=36', '1+36=37'] Exploring Operation: 52*37=1924, Resulting Numbers: [1924] 1924,61 unequal: No Solution Exploring Operation: 52-37=15, Resulting Numbers: [15] 15,61 unequal: No Solution Exploring Operation: 52+37=89, Resulting Numbers: [89] 89,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[36, 52], Operations: ['14+22=36', '1*52=52'] Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,61 unequal: No Solution Exploring Operation: 36*52=1872, Resulting Numbers: [1872] 1872,61 unequal: No Solution Exploring Operation: 36+52=88, Resulting Numbers: [88] 88,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 61:[52, 36], Operations: ['14+22=36', '1*36=36'] Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,61 unequal: No Solution Exploring Operation: 52*36=1872, Resulting Numbers: [1872] 1872,61 unequal: No Solution Exploring Operation: 52+36=88, Resulting Numbers: [88] 88,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 61:[36, 52], Operations: ['14+22=36', '52/1=52'] Exploring Operation: 36+52=88, Resulting Numbers: [88] 88,61 unequal: No Solution Exploring Operation: 36*52=1872, Resulting Numbers: [1872] 1872,61 unequal: No Solution Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 61:[14, 22, 53], Operations: ['1+52=53'] Exploring Operation: 22+53=75, Resulting Numbers: [14, 75] Generated Node #0,3,0: 61:[14, 75] Operation: 22+53=75 Exploring Operation: 14+22=36, Resulting Numbers: [53, 36] Generated Node #0,3,1: 61:[53, 36] Operation: 14+22=36 Exploring Operation: 22-14=8, Resulting Numbers: [53, 8] Generated Node #0,3,2: 61:[53, 8] Operation: 22-14=8 Exploring Operation: 53-14=39, Resulting Numbers: [22, 39] Generated Node #0,3,3: 61:[22, 39] Operation: 53-14=39 Exploring Operation: 14+53=67, Resulting Numbers: [22, 67] Generated Node #0,3,4: 61:[22, 67] Operation: 14+53=67 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 61:[53, 36], Operations: ['1+52=53', '14+22=36'] Exploring Operation: 53*36=1908, Resulting Numbers: [1908] 1908,61 unequal: No Solution Exploring Operation: 53+36=89, Resulting Numbers: [89] 89,61 unequal: No Solution Exploring Operation: 53-36=17, Resulting Numbers: [17] 17,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 61:[22, 67], Operations: ['1+52=53', '14+53=67'] Exploring Operation: 67-22=45, Resulting Numbers: [45] 45,61 unequal: No Solution Exploring Operation: 22*67=1474, Resulting Numbers: [1474] 1474,61 unequal: No Solution Exploring Operation: 22+67=89, Resulting Numbers: [89] 89,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 61:[14, 75], Operations: ['1+52=53', '22+53=75'] Exploring Operation: 14+75=89, Resulting Numbers: [89] 89,61 unequal: No Solution Exploring Operation: 14*75=1050, Resulting Numbers: [1050] 1050,61 unequal: No Solution Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[14, 1, 22, 52], Operations: [] Exploring Operation: 1+52=53, Resulting Numbers: [14, 22, 53] Generated Node #0,3: 61:[14, 22, 53] Operation: 1+52=53 Moving to Node #0,3 Current State: 61:[14, 22, 53], Operations: ['1+52=53'] Exploring Operation: 22+53=75, Resulting Numbers: [14, 75] Generated Node #0,3,0: 61:[14, 75] Operation: 22+53=75 Moving to Node #0,3,0 Current State: 61:[14, 75], Operations: ['1+52=53', '22+53=75'] Exploring Operation: 75-14=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.962674
hs_5
mult_heuristic
[ 83, 81, 88, 83 ]
81
[ "83-83=0", "88*0=0", "81+0=81" ]
Current State: 81:[83, 81, 88, 83], Operations: [] Exploring Operation: 83-83=0, Resulting Numbers: [81, 88, 0] Generated Node #2: [81, 88, 0] from Operation: 83-83=0 Current State: 81:[81, 88, 0], Operations: ['83-83=0'] Exploring Operation: 88*0=0, Resulting Numbers: [81, 0] Generated Node #3: [81, 0] from Operation: 88*0=0 Current State: 81:[81, 0], Operations: ['83-83=0', '88*0=0'] Exploring Operation: 81+0=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[83, 81, 88, 83], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [81, 83, 5] Generated Node #0,0: 81:[81, 83, 5] Operation: 88-83=5 Moving to Node #0,0 Current State: 81:[81, 83, 5], Operations: ['88-83=5'] Exploring Operation: 83-81=2, Resulting Numbers: [5, 2] Generated Node #0,0,0: 81:[5, 2] Operation: 83-81=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[5, 2], Operations: ['88-83=5', '83-81=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 45, 41, 72, 8 ]
13
[ "45-41=4", "72/8=9", "4+9=13" ]
Current State: 13:[45, 41, 72, 8], Operations: [] Exploring Operation: 45-41=4, Resulting Numbers: [72, 8, 4] Generated Node #2: [72, 8, 4] from Operation: 45-41=4 Current State: 13:[72, 8, 4], Operations: ['45-41=4'] Exploring Operation: 72/8=9, Resulting Numbers: [4, 9] Generated Node #3: [4, 9] from Operation: 72/8=9 Current State: 13:[4, 9], Operations: ['45-41=4', '72/8=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[45, 41, 72, 8], Operations: [] Exploring Operation: 45-8=37, Resulting Numbers: [41, 72, 37] Generated Node #0,0: 13:[41, 72, 37] Operation: 45-8=37 Exploring Operation: 72-45=27, Resulting Numbers: [41, 8, 27] Generated Node #0,1: 13:[41, 8, 27] Operation: 72-45=27 Exploring Operation: 45-41=4, Resulting Numbers: [72, 8, 4] Generated Node #0,2: 13:[72, 8, 4] Operation: 45-41=4 Exploring Operation: 72/8=9, Resulting Numbers: [45, 41, 9] Generated Node #0,3: 13:[45, 41, 9] Operation: 72/8=9 Exploring Operation: 72-41=31, Resulting Numbers: [45, 8, 31] Generated Node #0,4: 13:[45, 8, 31] Operation: 72-41=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[41, 8, 27], Operations: ['72-45=27'] Exploring Operation: 8+27=35, Resulting Numbers: [41, 35] Generated Node #0,1,0: 13:[41, 35] Operation: 8+27=35 Exploring Operation: 41-27=14, Resulting Numbers: [8, 14] Generated Node #0,1,1: 13:[8, 14] Operation: 41-27=14 Exploring Operation: 41-8=33, Resulting Numbers: [27, 33] Generated Node #0,1,2: 13:[27, 33] Operation: 41-8=33 Exploring Operation: 27-8=19, Resulting Numbers: [41, 19] Generated Node #0,1,3: 13:[41, 19] Operation: 27-8=19 Exploring Operation: 41+8=49, Resulting Numbers: [27, 49] Generated Node #0,1,4: 13:[27, 49] Operation: 41+8=49 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[8, 14], Operations: ['72-45=27', '41-27=14'] Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 8*14=112, Resulting Numbers: [112] 112,13 unequal: No Solution No 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: 13:[27, 33], Operations: ['72-45=27', '41-8=33'] Exploring Operation: 27*33=891, Resulting Numbers: [891] 891,13 unequal: No Solution Exploring Operation: 27+33=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 33-27=6, Resulting Numbers: [6] 6,13 unequal: No Solution No 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: 13:[41, 19], Operations: ['72-45=27', '27-8=19'] Exploring Operation: 41-19=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 41+19=60, Resulting Numbers: [60] 60,13 unequal: No Solution Exploring Operation: 41*19=779, Resulting Numbers: [779] 779,13 unequal: No Solution No 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: 13:[41, 35], Operations: ['72-45=27', '8+27=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,13 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,13 unequal: No Solution No 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: 13:[27, 49], Operations: ['72-45=27', '41+8=49'] Exploring Operation: 27*49=1323, Resulting Numbers: [1323] 1323,13 unequal: No Solution Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 27+49=76, Resulting Numbers: [76] 76,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 13:[45, 8, 31], Operations: ['72-41=31'] Exploring Operation: 45+8=53, Resulting Numbers: [31, 53] Generated Node #0,4,0: 13:[31, 53] Operation: 45+8=53 Exploring Operation: 45-8=37, Resulting Numbers: [31, 37] Generated Node #0,4,1: 13:[31, 37] Operation: 45-8=37 Exploring Operation: 45-31=14, Resulting Numbers: [8, 14] Generated Node #0,4,2: 13:[8, 14] Operation: 45-31=14 Exploring Operation: 8+31=39, Resulting Numbers: [45, 39] Generated Node #0,4,3: 13:[45, 39] Operation: 8+31=39 Exploring Operation: 31-8=23, Resulting Numbers: [45, 23] Generated Node #0,4,4: 13:[45, 23] Operation: 31-8=23 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 13:[8, 14], Operations: ['72-41=31', '45-31=14'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 8*14=112, Resulting Numbers: [112] 112,13 unequal: No Solution Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,13 unequal: No Solution No 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: 13:[31, 37], Operations: ['72-41=31', '45-8=37'] Exploring Operation: 31*37=1147, Resulting Numbers: [1147] 1147,13 unequal: No Solution Exploring Operation: 31+37=68, Resulting Numbers: [68] 68,13 unequal: No Solution Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,13 unequal: No Solution No 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: 13:[45, 23], Operations: ['72-41=31', '31-8=23'] Exploring Operation: 45*23=1035, Resulting Numbers: [1035] 1035,13 unequal: No Solution Exploring Operation: 45+23=68, Resulting Numbers: [68] 68,13 unequal: No Solution Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,13 unequal: No Solution No 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: 13:[31, 53], Operations: ['72-41=31', '45+8=53'] Exploring Operation: 31+53=84, Resulting Numbers: [84] 84,13 unequal: No Solution Exploring Operation: 31*53=1643, Resulting Numbers: [1643] 1643,13 unequal: No Solution Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,13 unequal: No Solution No 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: 13:[45, 39], Operations: ['72-41=31', '8+31=39'] Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,13 unequal: No Solution Exploring Operation: 45*39=1755, Resulting Numbers: [1755] 1755,13 unequal: No Solution Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 13:[45, 41, 9], Operations: ['72/8=9'] Exploring Operation: 45/9=5, Resulting Numbers: [41, 5] Generated Node #0,3,0: 13:[41, 5] Operation: 45/9=5 Exploring Operation: 45-41=4, Resulting Numbers: [9, 4] Generated Node #0,3,1: 13:[9, 4] Operation: 45-41=4 Exploring Operation: 45+9=54, Resulting Numbers: [41, 54] Generated Node #0,3,2: 13:[41, 54] Operation: 45+9=54 Exploring Operation: 41-9=32, Resulting Numbers: [45, 32] Generated Node #0,3,3: 13:[45, 32] Operation: 41-9=32 Exploring Operation: 45-9=36, Resulting Numbers: [41, 36] Generated Node #0,3,4: 13:[41, 36] Operation: 45-9=36 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 13:[9, 4], Operations: ['72/8=9', '45-41=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[45, 41, 72, 8], Operations: [] Exploring Operation: 72/8=9, Resulting Numbers: [45, 41, 9] Generated Node #0,3: 13:[45, 41, 9] Operation: 72/8=9 Moving to Node #0,3 Current State: 13:[45, 41, 9], Operations: ['72/8=9'] Exploring Operation: 45-41=4, Resulting Numbers: [9, 4] Generated Node #0,3,1: 13:[9, 4] Operation: 45-41=4 Moving to Node #0,3,1 Current State: 13:[9, 4], Operations: ['72/8=9', '45-41=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.952257
hs_5
mult_heuristic
[ 2, 29, 62, 23 ]
36
[ "29+23=52", "52/2=26", "62-26=36" ]
Current State: 36:[2, 29, 62, 23], Operations: [] Exploring Operation: 29+23=52, Resulting Numbers: [2, 62, 52] Generated Node #2: [2, 62, 52] from Operation: 29+23=52 Current State: 36:[2, 62, 52], Operations: ['29+23=52'] Exploring Operation: 52/2=26, Resulting Numbers: [62, 26] Generated Node #3: [62, 26] from Operation: 52/2=26 Current State: 36:[62, 26], Operations: ['29+23=52', '52/2=26'] Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[2, 29, 62, 23], Operations: [] Exploring Operation: 62-29=33, Resulting Numbers: [2, 23, 33] Generated Node #0,0: 36:[2, 23, 33] Operation: 62-29=33 Exploring Operation: 62/2=31, Resulting Numbers: [29, 23, 31] Generated Node #0,1: 36:[29, 23, 31] Operation: 62/2=31 Exploring Operation: 62-23=39, Resulting Numbers: [2, 29, 39] Generated Node #0,2: 36:[2, 29, 39] Operation: 62-23=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[2, 23, 33], Operations: ['62-29=33'] Exploring Operation: 2+33=35, Resulting Numbers: [23, 35] Generated Node #0,0,0: 36:[23, 35] Operation: 2+33=35 Exploring Operation: 33-23=10, Resulting Numbers: [2, 10] Generated Node #0,0,1: 36:[2, 10] Operation: 33-23=10 Exploring Operation: 23-2=21, Resulting Numbers: [33, 21] Generated Node #0,0,2: 36:[33, 21] Operation: 23-2=21 Moving to Node #0,0,1 Current State: 36:[2, 10], Operations: ['62-29=33', '33-23=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[23, 35], Operations: ['62-29=33', '2+33=35'] Exploring Operation: 23+35=58, Resulting Numbers: [58] 58,36 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 23*35=805, Resulting Numbers: [805] 805,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[33, 21], Operations: ['62-29=33', '23-2=21'] Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 33*21=693, Resulting Numbers: [693] 693,36 unequal: No Solution Exploring Operation: 33+21=54, Resulting Numbers: [54] 54,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[2, 29, 39], Operations: ['62-23=39'] Exploring Operation: 39-2=37, Resulting Numbers: [29, 37] Generated Node #0,2,0: 36:[29, 37] Operation: 39-2=37 Exploring Operation: 2+29=31, Resulting Numbers: [39, 31] Generated Node #0,2,1: 36:[39, 31] Operation: 2+29=31 Exploring Operation: 39-29=10, Resulting Numbers: [2, 10] Generated Node #0,2,2: 36:[2, 10] Operation: 39-29=10 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 36:[2, 10], Operations: ['62-23=39', '39-29=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 10-2=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 36:[29, 37], Operations: ['62-23=39', '39-2=37'] Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,36 unequal: No Solution Exploring Operation: 29*37=1073, Resulting Numbers: [1073] 1073,36 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 36:[39, 31], Operations: ['62-23=39', '2+29=31'] Exploring Operation: 39*31=1209, Resulting Numbers: [1209] 1209,36 unequal: No Solution Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 39+31=70, Resulting Numbers: [70] 70,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[29, 23, 31], Operations: ['62/2=31'] Exploring Operation: 29-23=6, Resulting Numbers: [31, 6] Generated Node #0,1,0: 36:[31, 6] Operation: 29-23=6 Exploring Operation: 31-29=2, Resulting Numbers: [23, 2] Generated Node #0,1,1: 36:[23, 2] Operation: 31-29=2 Exploring Operation: 31-23=8, Resulting Numbers: [29, 8] Generated Node #0,1,2: 36:[29, 8] Operation: 31-23=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 36:[31, 6], Operations: ['62/2=31', '29-23=6'] Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,36 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,36 unequal: No Solution Exploring Operation: 31*6=186, Resulting Numbers: [186] 186,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 36:[23, 2], Operations: ['62/2=31', '31-29=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,36 unequal: No Solution Exploring Operation: 23*2=46, Resulting Numbers: [46] 46,36 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 36:[29, 8], Operations: ['62/2=31', '31-23=8'] Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 29*8=232, Resulting Numbers: [232] 232,36 unequal: No Solution Exploring Operation: 29+8=37, Resulting Numbers: [37] 37,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 91, 99, 65, 72 ]
56
[ "99-91=8", "72-65=7", "8*7=56" ]
Current State: 56:[91, 99, 65, 72], Operations: [] Exploring Operation: 99-91=8, Resulting Numbers: [65, 72, 8] Generated Node #2: [65, 72, 8] from Operation: 99-91=8 Current State: 56:[65, 72, 8], Operations: ['99-91=8'] Exploring Operation: 72-65=7, Resulting Numbers: [8, 7] Generated Node #3: [8, 7] from Operation: 72-65=7 Current State: 56:[8, 7], Operations: ['99-91=8', '72-65=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[91, 99, 65, 72], Operations: [] Exploring Operation: 91-72=19, Resulting Numbers: [99, 65, 19] Generated Node #0,0: 56:[99, 65, 19] Operation: 91-72=19 Exploring Operation: 99-91=8, Resulting Numbers: [65, 72, 8] Generated Node #0,1: 56:[65, 72, 8] Operation: 99-91=8 Exploring Operation: 99-65=34, Resulting Numbers: [91, 72, 34] Generated Node #0,2: 56:[91, 72, 34] Operation: 99-65=34 Exploring Operation: 99-72=27, Resulting Numbers: [91, 65, 27] Generated Node #0,3: 56:[91, 65, 27] Operation: 99-72=27 Moving to Node #0,1 Current State: 56:[65, 72, 8], Operations: ['99-91=8'] Exploring Operation: 72-8=64, Resulting Numbers: [65, 64] Generated Node #0,1,0: 56:[65, 64] Operation: 72-8=64 Exploring Operation: 65-8=57, Resulting Numbers: [72, 57] Generated Node #0,1,1: 56:[72, 57] Operation: 65-8=57 Exploring Operation: 72-65=7, Resulting Numbers: [8, 7] Generated Node #0,1,2: 56:[8, 7] Operation: 72-65=7 Exploring Operation: 72/8=9, Resulting Numbers: [65, 9] Generated Node #0,1,3: 56:[65, 9] Operation: 72/8=9 Moving to Node #0,3 Current State: 56:[91, 65, 27], Operations: ['99-72=27'] Exploring Operation: 91-65=26, Resulting Numbers: [27, 26] Generated Node #0,3,0: 56:[27, 26] Operation: 91-65=26 Exploring Operation: 91-27=64, Resulting Numbers: [65, 64] Generated Node #0,3,1: 56:[65, 64] Operation: 91-27=64 Exploring Operation: 65-27=38, Resulting Numbers: [91, 38] Generated Node #0,3,2: 56:[91, 38] Operation: 65-27=38 Exploring Operation: 91+27=118, Resulting Numbers: [65, 118] Generated Node #0,3,3: 56:[65, 118] Operation: 91+27=118 Moving to Node #0,2 Current State: 56:[91, 72, 34], Operations: ['99-65=34'] Exploring Operation: 72-34=38, Resulting Numbers: [91, 38] Generated Node #0,2,0: 56:[91, 38] Operation: 72-34=38 Exploring Operation: 91+34=125, Resulting Numbers: [72, 125] Generated Node #0,2,1: 56:[72, 125] Operation: 91+34=125 Exploring Operation: 91-72=19, Resulting Numbers: [34, 19] Generated Node #0,2,2: 56:[34, 19] Operation: 91-72=19 Exploring Operation: 91-34=57, Resulting Numbers: [72, 57] Generated Node #0,2,3: 56:[72, 57] Operation: 91-34=57 Moving to Node #0,0 Current State: 56:[99, 65, 19], Operations: ['91-72=19'] Exploring Operation: 99-19=80, Resulting Numbers: [65, 80] Generated Node #0,0,0: 56:[65, 80] Operation: 99-19=80 Exploring Operation: 99+19=118, Resulting Numbers: [65, 118] Generated Node #0,0,1: 56:[65, 118] Operation: 99+19=118 Exploring Operation: 99-65=34, Resulting Numbers: [19, 34] Generated Node #0,0,2: 56:[19, 34] Operation: 99-65=34 Exploring Operation: 65-19=46, Resulting Numbers: [99, 46] Generated Node #0,0,3: 56:[99, 46] Operation: 65-19=46 Moving to Node #0,1,2 Current State: 56:[8, 7], Operations: ['99-91=8', '72-65=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[91, 99, 65, 72], Operations: [] Exploring Operation: 99-91=8, Resulting Numbers: [65, 72, 8] Generated Node #0,1: 56:[65, 72, 8] Operation: 99-91=8 Moving to Node #0,1 Current State: 56:[65, 72, 8], Operations: ['99-91=8'] Exploring Operation: 72-65=7, Resulting Numbers: [8, 7] Generated Node #0,1,2: 56:[8, 7] Operation: 72-65=7 Moving to Node #0,1,2 Current State: 56:[8, 7], Operations: ['99-91=8', '72-65=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.978299
hs_4
sum_heuristic
[ 85, 89, 69, 10 ]
71
[ "85-69=16", "10*16=160", "160-89=71" ]
Current State: 71:[85, 89, 69, 10], Operations: [] Exploring Operation: 85-69=16, Resulting Numbers: [89, 10, 16] Generated Node #2: [89, 10, 16] from Operation: 85-69=16 Current State: 71:[89, 10, 16], Operations: ['85-69=16'] Exploring Operation: 10*16=160, Resulting Numbers: [89, 160] Generated Node #3: [89, 160] from Operation: 10*16=160 Current State: 71:[89, 160], Operations: ['85-69=16', '10*16=160'] Exploring Operation: 160-89=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[85, 89, 69, 10], Operations: [] Exploring Operation: 85-10=75, Resulting Numbers: [89, 69, 75] Generated Node #0,0: 71:[89, 69, 75] Operation: 85-10=75 Exploring Operation: 89-10=79, Resulting Numbers: [85, 69, 79] Generated Node #0,1: 71:[85, 69, 79] Operation: 89-10=79 Exploring Operation: 69+10=79, Resulting Numbers: [85, 89, 79] Generated Node #0,2: 71:[85, 89, 79] Operation: 69+10=79 Exploring Operation: 85+10=95, Resulting Numbers: [89, 69, 95] Generated Node #0,3: 71:[89, 69, 95] Operation: 85+10=95 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[89, 69, 75], Operations: ['85-10=75'] Exploring Operation: 75-69=6, Resulting Numbers: [89, 6] Generated Node #0,0,0: 71:[89, 6] Operation: 75-69=6 Exploring Operation: 89+69=158, Resulting Numbers: [75, 158] Generated Node #0,0,1: 71:[75, 158] Operation: 89+69=158 Exploring Operation: 89-75=14, Resulting Numbers: [69, 14] Generated Node #0,0,2: 71:[69, 14] Operation: 89-75=14 Exploring Operation: 89-69=20, Resulting Numbers: [75, 20] Generated Node #0,0,3: 71:[75, 20] Operation: 89-69=20 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 71:[75, 20], Operations: ['85-10=75', '89-69=20'] Exploring Operation: 75+20=95, Resulting Numbers: [95] 95,71 unequal: No Solution Exploring Operation: 75-20=55, Resulting Numbers: [55] 55,71 unequal: No Solution Exploring Operation: 75*20=1500, Resulting Numbers: [1500] 1500,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[69, 14], Operations: ['85-10=75', '89-75=14'] Exploring Operation: 69*14=966, Resulting Numbers: [966] 966,71 unequal: No Solution Exploring Operation: 69+14=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 69-14=55, Resulting Numbers: [55] 55,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[89, 6], Operations: ['85-10=75', '75-69=6'] Exploring Operation: 89*6=534, Resulting Numbers: [534] 534,71 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[75, 158], Operations: ['85-10=75', '89+69=158'] Exploring Operation: 158-75=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 75+158=233, Resulting Numbers: [233] 233,71 unequal: No Solution Exploring Operation: 75*158=11850, Resulting Numbers: [11850] 11850,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[85, 69, 79], Operations: ['89-10=79'] Exploring Operation: 85-69=16, Resulting Numbers: [79, 16] Generated Node #0,1,0: 71:[79, 16] Operation: 85-69=16 Exploring Operation: 79-69=10, Resulting Numbers: [85, 10] Generated Node #0,1,1: 71:[85, 10] Operation: 79-69=10 Exploring Operation: 85-79=6, Resulting Numbers: [69, 6] Generated Node #0,1,2: 71:[69, 6] Operation: 85-79=6 Exploring Operation: 85+69=154, Resulting Numbers: [79, 154] Generated Node #0,1,3: 71:[79, 154] Operation: 85+69=154 Moving to Node #0,1,0 Current State: 71:[79, 16], Operations: ['89-10=79', '85-69=16'] Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 79*16=1264, Resulting Numbers: [1264] 1264,71 unequal: No Solution Exploring Operation: 79+16=95, Resulting Numbers: [95] 95,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[69, 6], Operations: ['89-10=79', '85-79=6'] Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 69*6=414, Resulting Numbers: [414] 414,71 unequal: No Solution Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[85, 10], Operations: ['89-10=79', '79-69=10'] Exploring Operation: 85-10=75, Resulting Numbers: [75] 75,71 unequal: No Solution Exploring Operation: 85+10=95, Resulting Numbers: [95] 95,71 unequal: No Solution Exploring Operation: 85*10=850, Resulting Numbers: [850] 850,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[79, 154], Operations: ['89-10=79', '85+69=154'] Exploring Operation: 79*154=12166, Resulting Numbers: [12166] 12166,71 unequal: No Solution Exploring Operation: 79+154=233, Resulting Numbers: [233] 233,71 unequal: No Solution Exploring Operation: 154-79=75, Resulting Numbers: [75] 75,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[85, 89, 79], Operations: ['69+10=79'] Exploring Operation: 89-85=4, Resulting Numbers: [79, 4] Generated Node #0,2,0: 71:[79, 4] Operation: 89-85=4 Exploring Operation: 89-79=10, Resulting Numbers: [85, 10] Generated Node #0,2,1: 71:[85, 10] Operation: 89-79=10 Exploring Operation: 85-79=6, Resulting Numbers: [89, 6] Generated Node #0,2,2: 71:[89, 6] Operation: 85-79=6 Exploring Operation: 85+89=174, Resulting Numbers: [79, 174] Generated Node #0,2,3: 71:[79, 174] Operation: 85+89=174 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 71:[79, 4], Operations: ['69+10=79', '89-85=4'] Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,71 unequal: No Solution Exploring Operation: 79+4=83, Resulting Numbers: [83] 83,71 unequal: No Solution Exploring Operation: 79*4=316, Resulting Numbers: [316] 316,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 71:[85, 10], Operations: ['69+10=79', '89-79=10'] Exploring Operation: 85*10=850, Resulting Numbers: [850] 850,71 unequal: No Solution Exploring Operation: 85+10=95, Resulting Numbers: [95] 95,71 unequal: No Solution Exploring Operation: 85-10=75, Resulting Numbers: [75] 75,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 71:[89, 6], Operations: ['69+10=79', '85-79=6'] Exploring Operation: 89*6=534, Resulting Numbers: [534] 534,71 unequal: No Solution Exploring Operation: 89+6=95, Resulting Numbers: [95] 95,71 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 71:[79, 174], Operations: ['69+10=79', '85+89=174'] Exploring Operation: 79+174=253, Resulting Numbers: [253] 253,71 unequal: No Solution Exploring Operation: 174-79=95, Resulting Numbers: [95] 95,71 unequal: No Solution Exploring Operation: 79*174=13746, Resulting Numbers: [13746] 13746,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[89, 69, 95], Operations: ['85+10=95'] Exploring Operation: 89-69=20, Resulting Numbers: [95, 20] Generated Node #0,3,0: 71:[95, 20] Operation: 89-69=20 Exploring Operation: 95-89=6, Resulting Numbers: [69, 6] Generated Node #0,3,1: 71:[69, 6] Operation: 95-89=6 Exploring Operation: 95-69=26, Resulting Numbers: [89, 26] Generated Node #0,3,2: 71:[89, 26] Operation: 95-69=26 Exploring Operation: 89+69=158, Resulting Numbers: [95, 158] Generated Node #0,3,3: 71:[95, 158] Operation: 89+69=158 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 71:[89, 26], Operations: ['85+10=95', '95-69=26'] Exploring Operation: 89-26=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 89+26=115, Resulting Numbers: [115] 115,71 unequal: No Solution Exploring Operation: 89*26=2314, Resulting Numbers: [2314] 2314,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 71:[69, 6], Operations: ['85+10=95', '95-89=6'] Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,71 unequal: No Solution Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,71 unequal: No Solution Exploring Operation: 69*6=414, Resulting Numbers: [414] 414,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 71:[95, 20], Operations: ['85+10=95', '89-69=20'] Exploring Operation: 95*20=1900, Resulting Numbers: [1900] 1900,71 unequal: No Solution Exploring Operation: 95+20=115, Resulting Numbers: [115] 115,71 unequal: No Solution Exploring Operation: 95-20=75, Resulting Numbers: [75] 75,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 71:[95, 158], Operations: ['85+10=95', '89+69=158'] Exploring Operation: 95*158=15010, Resulting Numbers: [15010] 15010,71 unequal: No Solution Exploring Operation: 95+158=253, Resulting Numbers: [253] 253,71 unequal: No Solution Exploring Operation: 158-95=63, Resulting Numbers: [63] 63,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 21, 73, 2, 24 ]
17
[ "21+24=45", "2*45=90", "90-73=17" ]
Current State: 17:[21, 73, 2, 24], Operations: [] Exploring Operation: 21+24=45, Resulting Numbers: [73, 2, 45] Generated Node #2: [73, 2, 45] from Operation: 21+24=45 Current State: 17:[73, 2, 45], Operations: ['21+24=45'] Exploring Operation: 2*45=90, Resulting Numbers: [73, 90] Generated Node #3: [73, 90] from Operation: 2*45=90 Current State: 17:[73, 90], Operations: ['21+24=45', '2*45=90'] Exploring Operation: 90-73=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[21, 73, 2, 24], Operations: [] Exploring Operation: 73-24=49, Resulting Numbers: [21, 2, 49] Generated Node #0,0: 17:[21, 2, 49] Operation: 73-24=49 Exploring Operation: 73-2=71, Resulting Numbers: [21, 24, 71] Generated Node #0,1: 17:[21, 24, 71] Operation: 73-2=71 Exploring Operation: 24-2=22, Resulting Numbers: [21, 73, 22] Generated Node #0,2: 17:[21, 73, 22] Operation: 24-2=22 Exploring Operation: 21-2=19, Resulting Numbers: [73, 24, 19] Generated Node #0,3: 17:[73, 24, 19] Operation: 21-2=19 Exploring Operation: 73-21=52, Resulting Numbers: [2, 24, 52] Generated Node #0,4: 17:[2, 24, 52] Operation: 73-21=52 Moving to Node #0,0 Current State: 17:[21, 2, 49], Operations: ['73-24=49'] Exploring Operation: 21-2=19, Resulting Numbers: [49, 19] Generated Node #0,0,0: 17:[49, 19] Operation: 21-2=19 Exploring Operation: 21+2=23, Resulting Numbers: [49, 23] Generated Node #0,0,1: 17:[49, 23] Operation: 21+2=23 Exploring Operation: 2+49=51, Resulting Numbers: [21, 51] Generated Node #0,0,2: 17:[21, 51] Operation: 2+49=51 Exploring Operation: 49-2=47, Resulting Numbers: [21, 47] Generated Node #0,0,3: 17:[21, 47] Operation: 49-2=47 Exploring Operation: 49-21=28, Resulting Numbers: [2, 28] Generated Node #0,0,4: 17:[2, 28] Operation: 49-21=28 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 17:[2, 28], Operations: ['73-24=49', '49-21=28'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,17 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[49, 19], Operations: ['73-24=49', '21-2=19'] Exploring Operation: 49*19=931, Resulting Numbers: [931] 931,17 unequal: No Solution Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 49+19=68, Resulting Numbers: [68] 68,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 17:[21, 47], Operations: ['73-24=49', '49-2=47'] Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,17 unequal: No Solution Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[49, 23], Operations: ['73-24=49', '21+2=23'] Exploring Operation: 49*23=1127, Resulting Numbers: [1127] 1127,17 unequal: No Solution Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 49+23=72, Resulting Numbers: [72] 72,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[21, 51], Operations: ['73-24=49', '2+49=51'] Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 21*51=1071, Resulting Numbers: [1071] 1071,17 unequal: No Solution Exploring Operation: 21+51=72, Resulting Numbers: [72] 72,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 17:[2, 24, 52], Operations: ['73-21=52'] Exploring Operation: 52-24=28, Resulting Numbers: [2, 28] Generated Node #0,4,0: 17:[2, 28] Operation: 52-24=28 Exploring Operation: 24/2=12, Resulting Numbers: [52, 12] Generated Node #0,4,1: 17:[52, 12] Operation: 24/2=12 Exploring Operation: 52/2=26, Resulting Numbers: [24, 26] Generated Node #0,4,2: 17:[24, 26] Operation: 52/2=26 Exploring Operation: 24-2=22, Resulting Numbers: [52, 22] Generated Node #0,4,3: 17:[52, 22] Operation: 24-2=22 Exploring Operation: 52-2=50, Resulting Numbers: [24, 50] Generated Node #0,4,4: 17:[24, 50] Operation: 52-2=50 Moving to Node #0,1 Current State: 17:[21, 24, 71], Operations: ['73-2=71'] Exploring Operation: 21+71=92, Resulting Numbers: [24, 92] Generated Node #0,1,0: 17:[24, 92] Operation: 21+71=92 Exploring Operation: 21+24=45, Resulting Numbers: [71, 45] Generated Node #0,1,1: 17:[71, 45] Operation: 21+24=45 Exploring Operation: 71-21=50, Resulting Numbers: [24, 50] Generated Node #0,1,2: 17:[24, 50] Operation: 71-21=50 Exploring Operation: 24-21=3, Resulting Numbers: [71, 3] Generated Node #0,1,3: 17:[71, 3] Operation: 24-21=3 Exploring Operation: 71-24=47, Resulting Numbers: [21, 47] Generated Node #0,1,4: 17:[21, 47] Operation: 71-24=47 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 17:[21, 47], Operations: ['73-2=71', '71-24=47'] Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,17 unequal: No Solution Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 17:[24, 50], Operations: ['73-2=71', '71-21=50'] Exploring Operation: 24+50=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 24*50=1200, Resulting Numbers: [1200] 1200,17 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 17:[71, 3], Operations: ['73-2=71', '24-21=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,17 unequal: No Solution Exploring Operation: 71*3=213, Resulting Numbers: [213] 213,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 17:[24, 92], Operations: ['73-2=71', '21+71=92'] Exploring Operation: 24+92=116, Resulting Numbers: [116] 116,17 unequal: No Solution Exploring Operation: 92-24=68, Resulting Numbers: [68] 68,17 unequal: No Solution Exploring Operation: 24*92=2208, Resulting Numbers: [2208] 2208,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 17:[71, 45], Operations: ['73-2=71', '21+24=45'] Exploring Operation: 71+45=116, Resulting Numbers: [116] 116,17 unequal: No Solution Exploring Operation: 71*45=3195, Resulting Numbers: [3195] 3195,17 unequal: No Solution Exploring Operation: 71-45=26, Resulting Numbers: [26] 26,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 17:[21, 73, 22], Operations: ['24-2=22'] Exploring Operation: 21+22=43, Resulting Numbers: [73, 43] Generated Node #0,2,0: 17:[73, 43] Operation: 21+22=43 Exploring Operation: 21+73=94, Resulting Numbers: [22, 94] Generated Node #0,2,1: 17:[22, 94] Operation: 21+73=94 Exploring Operation: 73-21=52, Resulting Numbers: [22, 52] Generated Node #0,2,2: 17:[22, 52] Operation: 73-21=52 Exploring Operation: 22-21=1, Resulting Numbers: [73, 1] Generated Node #0,2,3: 17:[73, 1] Operation: 22-21=1 Exploring Operation: 73-22=51, Resulting Numbers: [21, 51] Generated Node #0,2,4: 17:[21, 51] Operation: 73-22=51 Moving to Node #0,3 Current State: 17:[73, 24, 19], Operations: ['21-2=19'] Exploring Operation: 73-24=49, Resulting Numbers: [19, 49] Generated Node #0,3,0: 17:[19, 49] Operation: 73-24=49 Exploring Operation: 73+19=92, Resulting Numbers: [24, 92] Generated Node #0,3,1: 17:[24, 92] Operation: 73+19=92 Exploring Operation: 73-19=54, Resulting Numbers: [24, 54] Generated Node #0,3,2: 17:[24, 54] Operation: 73-19=54 Exploring Operation: 73+24=97, Resulting Numbers: [19, 97] Generated Node #0,3,3: 17:[19, 97] Operation: 73+24=97 Exploring Operation: 24-19=5, Resulting Numbers: [73, 5] Generated Node #0,3,4: 17:[73, 5] Operation: 24-19=5 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 17:[19, 49], Operations: ['21-2=19', '73-24=49'] Exploring Operation: 49-19=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 19*49=931, Resulting Numbers: [931] 931,17 unequal: No Solution Exploring Operation: 19+49=68, Resulting Numbers: [68] 68,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 17:[24, 54], Operations: ['21-2=19', '73-19=54'] Exploring Operation: 24*54=1296, Resulting Numbers: [1296] 1296,17 unequal: No Solution Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 24+54=78, Resulting Numbers: [78] 78,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 17:[73, 5], Operations: ['21-2=19', '24-19=5'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,17 unequal: No Solution Exploring Operation: 73*5=365, Resulting Numbers: [365] 365,17 unequal: No Solution Exploring Operation: 73+5=78, Resulting Numbers: [78] 78,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 17:[24, 92], Operations: ['21-2=19', '73+19=92'] Exploring Operation: 92-24=68, Resulting Numbers: [68] 68,17 unequal: No Solution Exploring Operation: 24*92=2208, Resulting Numbers: [2208] 2208,17 unequal: No Solution Exploring Operation: 24+92=116, Resulting Numbers: [116] 116,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 17:[19, 97], Operations: ['21-2=19', '73+24=97'] Exploring Operation: 97-19=78, Resulting Numbers: [78] 78,17 unequal: No Solution Exploring Operation: 19*97=1843, Resulting Numbers: [1843] 1843,17 unequal: No Solution Exploring Operation: 19+97=116, Resulting Numbers: [116] 116,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,2 Current State: 17:[24, 26], Operations: ['73-21=52', '52/2=26'] Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,17 unequal: No Solution Exploring Operation: 24*26=624, Resulting Numbers: [624] 624,17 unequal: No Solution Moving to Node #0,4,0 Current State: 17:[2, 28], Operations: ['73-21=52', '52-24=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,17 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,17 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 2*28=56, Resulting Numbers: [56] 56,17 unequal: No Solution Moving to Node #0,2,4 Current State: 17:[21, 51], Operations: ['24-2=22', '73-22=51'] Exploring Operation: 21*51=1071, Resulting Numbers: [1071] 1071,17 unequal: No Solution Exploring Operation: 51-21=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 21+51=72, Resulting Numbers: [72] 72,17 unequal: No Solution Moving to Node #0,2,2 Current State: 17:[22, 52], Operations: ['24-2=22', '73-21=52'] Exploring Operation: 22*52=1144, Resulting Numbers: [1144] 1144,17 unequal: No Solution Exploring Operation: 22+52=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 52-22=30, Resulting Numbers: [30] 30,17 unequal: No Solution Moving to Node #0,4,1 Current State: 17:[52, 12], Operations: ['73-21=52', '24/2=12'] Exploring Operation: 52*12=624, Resulting Numbers: [624] 624,17 unequal: No Solution Exploring Operation: 52-12=40, Resulting Numbers: [40] 40,17 unequal: No Solution Exploring Operation: 52+12=64, Resulting Numbers: [64] 64,17 unequal: No Solution Moving to Node #0,4,4 Current State: 17:[24, 50], Operations: ['73-21=52', '52-2=50'] Exploring Operation: 24*50=1200, Resulting Numbers: [1200] 1200,17 unequal: No Solution Exploring Operation: 24+50=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,17 unequal: No Solution Moving to Node #0,4,3 Current State: 17:[52, 22], Operations: ['73-21=52', '24-2=22'] Exploring Operation: 52-22=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 52*22=1144, Resulting Numbers: [1144] 1144,17 unequal: No Solution Exploring Operation: 52+22=74, Resulting Numbers: [74] 74,17 unequal: No Solution Moving to Node #0,2,3 Current State: 17:[73, 1], Operations: ['24-2=22', '22-21=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,17 unequal: No Solution Exploring Operation: 73+1=74, Resulting Numbers: [74] 74,17 unequal: No Solution Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,17 unequal: No Solution Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,17 unequal: No Solution Moving to Node #0,2,0 Current State: 17:[73, 43], Operations: ['24-2=22', '21+22=43'] Exploring Operation: 73-43=30, Resulting Numbers: [30] 30,17 unequal: No Solution Exploring Operation: 73+43=116, Resulting Numbers: [116] 116,17 unequal: No Solution Exploring Operation: 73*43=3139, Resulting Numbers: [3139] 3139,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[22, 94], Operations: ['24-2=22', '21+73=94'] Exploring Operation: 94-22=72, Resulting Numbers: [72] 72,17 unequal: No Solution Exploring Operation: 22+94=116, Resulting Numbers: [116] 116,17 unequal: No Solution Exploring Operation: 22*94=2068, Resulting Numbers: [2068] 2068,17 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 8, 88, 32, 74 ]
94
[ "8*32=256", "88+74=162", "256-162=94" ]
Current State: 94:[8, 88, 32, 74], Operations: [] Exploring Operation: 8*32=256, Resulting Numbers: [88, 74, 256] Generated Node #2: [88, 74, 256] from Operation: 8*32=256 Current State: 94:[88, 74, 256], Operations: ['8*32=256'] Exploring Operation: 88+74=162, Resulting Numbers: [256, 162] Generated Node #3: [256, 162] from Operation: 88+74=162 Current State: 94:[256, 162], Operations: ['8*32=256', '88+74=162'] Exploring Operation: 256-162=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[8, 88, 32, 74], Operations: [] Exploring Operation: 32/8=4, Resulting Numbers: [88, 74, 4] Generated Node #0,0: 94:[88, 74, 4] Operation: 32/8=4 Exploring Operation: 8+32=40, Resulting Numbers: [88, 74, 40] Generated Node #0,1: 94:[88, 74, 40] Operation: 8+32=40 Exploring Operation: 32+74=106, Resulting Numbers: [8, 88, 106] Generated Node #0,2: 94:[8, 88, 106] Operation: 32+74=106 Exploring Operation: 8+74=82, Resulting Numbers: [88, 32, 82] Generated Node #0,3: 94:[88, 32, 82] Operation: 8+74=82 Exploring Operation: 74-32=42, Resulting Numbers: [8, 88, 42] Generated Node #0,4: 94:[8, 88, 42] Operation: 74-32=42 Start Sub Search at level 1: Moving to Node #0,4 Current State: 94:[8, 88, 42], Operations: ['74-32=42'] Exploring Operation: 8+88=96, Resulting Numbers: [42, 96] Generated Node #0,4,0: 94:[42, 96] Operation: 8+88=96 Exploring Operation: 88-42=46, Resulting Numbers: [8, 46] Generated Node #0,4,1: 94:[8, 46] Operation: 88-42=46 Exploring Operation: 88/8=11, Resulting Numbers: [42, 11] Generated Node #0,4,2: 94:[42, 11] Operation: 88/8=11 Exploring Operation: 8+42=50, Resulting Numbers: [88, 50] Generated Node #0,4,3: 94:[88, 50] Operation: 8+42=50 Exploring Operation: 88-8=80, Resulting Numbers: [42, 80] Generated Node #0,4,4: 94:[42, 80] Operation: 88-8=80 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 94:[42, 96], Operations: ['74-32=42', '8+88=96'] Exploring Operation: 42+96=138, Resulting Numbers: [138] 138,94 unequal: No Solution Exploring Operation: 42*96=4032, Resulting Numbers: [4032] 4032,94 unequal: No Solution Exploring Operation: 96-42=54, Resulting Numbers: [54] 54,94 unequal: No Solution No 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: 94:[8, 46], Operations: ['74-32=42', '88-42=46'] Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,94 unequal: No Solution Exploring Operation: 8*46=368, Resulting Numbers: [368] 368,94 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,94 unequal: No Solution No 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: 94:[88, 50], Operations: ['74-32=42', '8+42=50'] Exploring Operation: 88-50=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 88+50=138, Resulting Numbers: [138] 138,94 unequal: No Solution Exploring Operation: 88*50=4400, Resulting Numbers: [4400] 4400,94 unequal: No Solution No 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: 94:[42, 11], Operations: ['74-32=42', '88/8=11'] Exploring Operation: 42+11=53, Resulting Numbers: [53] 53,94 unequal: No Solution Exploring Operation: 42*11=462, Resulting Numbers: [462] 462,94 unequal: No Solution Exploring Operation: 42-11=31, Resulting Numbers: [31] 31,94 unequal: No Solution No 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: 94:[42, 80], Operations: ['74-32=42', '88-8=80'] Exploring Operation: 42*80=3360, Resulting Numbers: [3360] 3360,94 unequal: No Solution Exploring Operation: 80-42=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 42+80=122, Resulting Numbers: [122] 122,94 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: 94:[8, 88, 106], Operations: ['32+74=106'] Exploring Operation: 88/8=11, Resulting Numbers: [106, 11] Generated Node #0,2,0: 94:[106, 11] Operation: 88/8=11 Exploring Operation: 88-8=80, Resulting Numbers: [106, 80] Generated Node #0,2,1: 94:[106, 80] Operation: 88-8=80 Exploring Operation: 8+88=96, Resulting Numbers: [106, 96] Generated Node #0,2,2: 94:[106, 96] Operation: 8+88=96 Exploring Operation: 106-88=18, Resulting Numbers: [8, 18] Generated Node #0,2,3: 94:[8, 18] Operation: 106-88=18 Exploring Operation: 106-8=98, Resulting Numbers: [88, 98] Generated Node #0,2,4: 94:[88, 98] Operation: 106-8=98 Moving to Node #0,2,4 Current State: 94:[88, 98], Operations: ['32+74=106', '106-8=98'] Exploring Operation: 88*98=8624, Resulting Numbers: [8624] 8624,94 unequal: No Solution Exploring Operation: 98-88=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 88+98=186, Resulting Numbers: [186] 186,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[106, 96], Operations: ['32+74=106', '8+88=96'] Exploring Operation: 106-96=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 106+96=202, Resulting Numbers: [202] 202,94 unequal: No Solution Exploring Operation: 106*96=10176, Resulting Numbers: [10176] 10176,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[106, 11], Operations: ['32+74=106', '88/8=11'] Exploring Operation: 106*11=1166, Resulting Numbers: [1166] 1166,94 unequal: No Solution Exploring Operation: 106-11=95, Resulting Numbers: [95] 95,94 unequal: No Solution Exploring Operation: 106+11=117, Resulting Numbers: [117] 117,94 unequal: No Solution Moving to Node #0,2,3 Current State: 94:[8, 18], Operations: ['32+74=106', '106-88=18'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,94 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,94 unequal: No Solution Moving to Node #0,2,1 Current State: 94:[106, 80], Operations: ['32+74=106', '88-8=80'] Exploring Operation: 106-80=26, Resulting Numbers: [26] 26,94 unequal: No Solution Exploring Operation: 106+80=186, Resulting Numbers: [186] 186,94 unequal: No Solution Exploring Operation: 106*80=8480, Resulting Numbers: [8480] 8480,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[88, 74, 4], Operations: ['32/8=4'] Exploring Operation: 74+4=78, Resulting Numbers: [88, 78] Generated Node #0,0,0: 94:[88, 78] Operation: 74+4=78 Exploring Operation: 74-4=70, Resulting Numbers: [88, 70] Generated Node #0,0,1: 94:[88, 70] Operation: 74-4=70 Exploring Operation: 88-4=84, Resulting Numbers: [74, 84] Generated Node #0,0,2: 94:[74, 84] Operation: 88-4=84 Exploring Operation: 88+4=92, Resulting Numbers: [74, 92] Generated Node #0,0,3: 94:[74, 92] Operation: 88+4=92 Exploring Operation: 88-74=14, Resulting Numbers: [4, 14] Generated Node #0,0,4: 94:[4, 14] Operation: 88-74=14 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 94:[4, 14], Operations: ['32/8=4', '88-74=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,94 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,94 unequal: No Solution No 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: 94:[88, 78], Operations: ['32/8=4', '74+4=78'] Exploring Operation: 88*78=6864, Resulting Numbers: [6864] 6864,94 unequal: No Solution Exploring Operation: 88-78=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 88+78=166, Resulting Numbers: [166] 166,94 unequal: No Solution No 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: 94:[74, 92], Operations: ['32/8=4', '88+4=92'] Exploring Operation: 92-74=18, Resulting Numbers: [18] 18,94 unequal: No Solution Exploring Operation: 74+92=166, Resulting Numbers: [166] 166,94 unequal: No Solution Exploring Operation: 74*92=6808, Resulting Numbers: [6808] 6808,94 unequal: No Solution No 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: 94:[88, 70], Operations: ['32/8=4', '74-4=70'] Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,94 unequal: No Solution Exploring Operation: 88+70=158, Resulting Numbers: [158] 158,94 unequal: No Solution Exploring Operation: 88*70=6160, Resulting Numbers: [6160] 6160,94 unequal: No Solution No 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: 94:[74, 84], Operations: ['32/8=4', '88-4=84'] Exploring Operation: 84-74=10, Resulting Numbers: [10] 10,94 unequal: No Solution Exploring Operation: 74*84=6216, Resulting Numbers: [6216] 6216,94 unequal: No Solution Exploring Operation: 74+84=158, Resulting Numbers: [158] 158,94 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: 94:[88, 74, 40], Operations: ['8+32=40'] Exploring Operation: 88-40=48, Resulting Numbers: [74, 48] Generated Node #0,1,0: 94:[74, 48] Operation: 88-40=48 Exploring Operation: 88+40=128, Resulting Numbers: [74, 128] Generated Node #0,1,1: 94:[74, 128] Operation: 88+40=128 Exploring Operation: 74-40=34, Resulting Numbers: [88, 34] Generated Node #0,1,2: 94:[88, 34] Operation: 74-40=34 Exploring Operation: 74+40=114, Resulting Numbers: [88, 114] Generated Node #0,1,3: 94:[88, 114] Operation: 74+40=114 Exploring Operation: 88-74=14, Resulting Numbers: [40, 14] Generated Node #0,1,4: 94:[40, 14] Operation: 88-74=14 Moving to Node #0,1,2 Current State: 94:[88, 34], Operations: ['8+32=40', '74-40=34'] Exploring Operation: 88*34=2992, Resulting Numbers: [2992] 2992,94 unequal: No Solution Exploring Operation: 88-34=54, Resulting Numbers: [54] 54,94 unequal: No Solution Exploring Operation: 88+34=122, Resulting Numbers: [122] 122,94 unequal: No Solution Moving to Node #0,1,4 Current State: 94:[40, 14], Operations: ['8+32=40', '88-74=14'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,94 unequal: No Solution Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,94 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[74, 48], Operations: ['8+32=40', '88-40=48'] Exploring Operation: 74*48=3552, Resulting Numbers: [3552] 3552,94 unequal: No Solution Exploring Operation: 74+48=122, Resulting Numbers: [122] 122,94 unequal: No Solution Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,94 unequal: No Solution Moving to Node #0,1,3 Current State: 94:[88, 114], Operations: ['8+32=40', '74+40=114'] Exploring Operation: 88+114=202, Resulting Numbers: [202] 202,94 unequal: No Solution Exploring Operation: 88*114=10032, Resulting Numbers: [10032] 10032,94 unequal: No Solution Exploring Operation: 114-88=26, Resulting Numbers: [26] 26,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[74, 128], Operations: ['8+32=40', '88+40=128'] Exploring Operation: 74+128=202, Resulting Numbers: [202] 202,94 unequal: No Solution Exploring Operation: 128-74=54, Resulting Numbers: [54] 54,94 unequal: No Solution Exploring Operation: 74*128=9472, Resulting Numbers: [9472] 9472,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[88, 32, 82], Operations: ['8+74=82'] Exploring Operation: 32+82=114, Resulting Numbers: [88, 114] Generated Node #0,3,0: 94:[88, 114] Operation: 32+82=114 Exploring Operation: 82-32=50, Resulting Numbers: [88, 50] Generated Node #0,3,1: 94:[88, 50] Operation: 82-32=50 Exploring Operation: 88+32=120, Resulting Numbers: [82, 120] Generated Node #0,3,2: 94:[82, 120] Operation: 88+32=120 Exploring Operation: 88-32=56, Resulting Numbers: [82, 56] Generated Node #0,3,3: 94:[82, 56] Operation: 88-32=56 Exploring Operation: 88-82=6, Resulting Numbers: [32, 6] Generated Node #0,3,4: 94:[32, 6] Operation: 88-82=6 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 94:[88, 50], Operations: ['8+74=82', '82-32=50'] Exploring Operation: 88+50=138, Resulting Numbers: [138] 138,94 unequal: No Solution Exploring Operation: 88*50=4400, Resulting Numbers: [4400] 4400,94 unequal: No Solution Exploring Operation: 88-50=38, Resulting Numbers: [38] 38,94 unequal: No Solution No 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: 94:[32, 6], Operations: ['8+74=82', '88-82=6'] Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,94 unequal: No Solution Exploring Operation: 32*6=192, Resulting Numbers: [192] 192,94 unequal: No Solution Exploring Operation: 32+6=38, Resulting Numbers: [38] 38,94 unequal: No Solution No 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: 94:[82, 56], Operations: ['8+74=82', '88-32=56'] Exploring Operation: 82+56=138, Resulting Numbers: [138] 138,94 unequal: No Solution Exploring Operation: 82*56=4592, Resulting Numbers: [4592] 4592,94 unequal: No Solution Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,94 unequal: No Solution No 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: 94:[88, 114], Operations: ['8+74=82', '32+82=114'] Exploring Operation: 88*114=10032, Resulting Numbers: [10032] 10032,94 unequal: No Solution Exploring Operation: 88+114=202, Resulting Numbers: [202] 202,94 unequal: No Solution Exploring Operation: 114-88=26, Resulting Numbers: [26] 26,94 unequal: No Solution No 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: 94:[82, 120], Operations: ['8+74=82', '88+32=120'] Exploring Operation: 120-82=38, Resulting Numbers: [38] 38,94 unequal: No Solution Exploring Operation: 82+120=202, Resulting Numbers: [202] 202,94 unequal: No Solution Exploring Operation: 82*120=9840, Resulting Numbers: [9840] 9840,94 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
[ 18, 54, 60, 60 ]
67
[ "60*60=3600", "18+3600=3618", "3618/54=67" ]
Current State: 67:[18, 54, 60, 60], Operations: [] Exploring Operation: 60*60=3600, Resulting Numbers: [18, 54, 3600] Generated Node #2: [18, 54, 3600] from Operation: 60*60=3600 Current State: 67:[18, 54, 3600], Operations: ['60*60=3600'] Exploring Operation: 18+3600=3618, Resulting Numbers: [54, 3618] Generated Node #3: [54, 3618] from Operation: 18+3600=3618 Current State: 67:[54, 3618], Operations: ['60*60=3600', '18+3600=3618'] Exploring Operation: 3618/54=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[18, 54, 60, 60], Operations: [] Exploring Operation: 18+54=72, Resulting Numbers: [60, 60, 72] Generated Node #0,0: 67:[60, 60, 72] Operation: 18+54=72 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[60, 60, 72], Operations: ['18+54=72'] Exploring Operation: 60+60=120, Resulting Numbers: [72, 120] Generated Node #0,0,0: 67:[72, 120] Operation: 60+60=120 Moving to Node #0,0,0 Current State: 67:[72, 120], Operations: ['18+54=72', '60+60=120'] Exploring Operation: 120-72=48, Resulting Numbers: [48] 48,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 54, 62, 80, 23 ]
59
[ "54+62=116", "80-23=57", "116-57=59" ]
Current State: 59:[54, 62, 80, 23], Operations: [] Exploring Operation: 54+62=116, Resulting Numbers: [80, 23, 116] Generated Node #2: [80, 23, 116] from Operation: 54+62=116 Current State: 59:[80, 23, 116], Operations: ['54+62=116'] Exploring Operation: 80-23=57, Resulting Numbers: [116, 57] Generated Node #3: [116, 57] from Operation: 80-23=57 Current State: 59:[116, 57], Operations: ['54+62=116', '80-23=57'] Exploring Operation: 116-57=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[54, 62, 80, 23], Operations: [] Exploring Operation: 62-23=39, Resulting Numbers: [54, 80, 39] Generated Node #0,0: 59:[54, 80, 39] Operation: 62-23=39 Exploring Operation: 80-23=57, Resulting Numbers: [54, 62, 57] Generated Node #0,1: 59:[54, 62, 57] Operation: 80-23=57 Exploring Operation: 54+23=77, Resulting Numbers: [62, 80, 77] Generated Node #0,2: 59:[62, 80, 77] Operation: 54+23=77 Exploring Operation: 54-23=31, Resulting Numbers: [62, 80, 31] Generated Node #0,3: 59:[62, 80, 31] Operation: 54-23=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 59:[54, 62, 57], Operations: ['80-23=57'] Exploring Operation: 62-54=8, Resulting Numbers: [57, 8] Generated Node #0,1,0: 59:[57, 8] Operation: 62-54=8 Exploring Operation: 54+62=116, Resulting Numbers: [57, 116] Generated Node #0,1,1: 59:[57, 116] Operation: 54+62=116 Exploring Operation: 54+57=111, Resulting Numbers: [62, 111] Generated Node #0,1,2: 59:[62, 111] Operation: 54+57=111 Exploring Operation: 57-54=3, Resulting Numbers: [62, 3] Generated Node #0,1,3: 59:[62, 3] Operation: 57-54=3 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[57, 8], Operations: ['80-23=57', '62-54=8'] Exploring Operation: 57-8=49, Resulting Numbers: [49] 49,59 unequal: No Solution Exploring Operation: 57*8=456, Resulting Numbers: [456] 456,59 unequal: No Solution Exploring Operation: 57+8=65, Resulting Numbers: [65] 65,59 unequal: No Solution No 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: 59:[62, 111], Operations: ['80-23=57', '54+57=111'] Exploring Operation: 62+111=173, Resulting Numbers: [173] 173,59 unequal: No Solution Exploring Operation: 62*111=6882, Resulting Numbers: [6882] 6882,59 unequal: No Solution Exploring Operation: 111-62=49, Resulting Numbers: [49] 49,59 unequal: No Solution No 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: 59:[57, 116], Operations: ['80-23=57', '54+62=116'] Exploring Operation: 57+116=173, Resulting Numbers: [173] 173,59 unequal: No Solution Exploring Operation: 116-57=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[54, 62, 80, 23], Operations: [] Exploring Operation: 80-23=57, Resulting Numbers: [54, 62, 57] Generated Node #0,1: 59:[54, 62, 57] Operation: 80-23=57 Moving to Node #0,1 Current State: 59:[54, 62, 57], Operations: ['80-23=57'] Exploring Operation: 54+62=116, Resulting Numbers: [57, 116] Generated Node #0,1,1: 59:[57, 116] Operation: 54+62=116 Moving to Node #0,1,1 Current State: 59:[57, 116], Operations: ['80-23=57', '54+62=116'] Exploring Operation: 116-57=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 23, 74, 94, 74 ]
71
[ "23+74=97", "94+74=168", "168-97=71" ]
Current State: 71:[23, 74, 94, 74], Operations: [] Exploring Operation: 23+74=97, Resulting Numbers: [94, 97] Generated Node #2: [94, 97] from Operation: 23+74=97 Current State: 71:[94, 97], Operations: ['23+74=97'] Exploring Operation: 94+74=168, Resulting Numbers: [97, 168] Generated Node #3: [97, 168] from Operation: 94+74=168 Current State: 71:[97, 168], Operations: ['23+74=97', '94+74=168'] Exploring Operation: 168-97=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[23, 74, 94, 74], Operations: [] Exploring Operation: 23+74=97, Resulting Numbers: [94, 74, 97] Generated Node #0,0: 71:[94, 74, 97] Operation: 23+74=97 Exploring Operation: 74-23=51, Resulting Numbers: [94, 74, 51] Generated Node #0,1: 71:[94, 74, 51] Operation: 74-23=51 Exploring Operation: 94-23=71, Resulting Numbers: [74, 74, 71] Generated Node #0,2: 71:[74, 74, 71] Operation: 94-23=71 Exploring Operation: 74-23=51, Resulting Numbers: [74, 94, 51] Generated Node #0,3: 71:[74, 94, 51] Operation: 74-23=51 Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[74, 74, 71], Operations: ['94-23=71'] Exploring Operation: 74-74=0, Resulting Numbers: [71, 0] Generated Node #0,2,0: 71:[71, 0] Operation: 74-74=0 Exploring Operation: 74-71=3, Resulting Numbers: [74, 3] Generated Node #0,2,1: 71:[74, 3] Operation: 74-71=3 Exploring Operation: 74/74=1, Resulting Numbers: [71, 1] Generated Node #0,2,2: 71:[71, 1] Operation: 74/74=1 Exploring Operation: 74-71=3, Resulting Numbers: [74, 3] Generated Node #0,2,3: 71:[74, 3] Operation: 74-71=3 Moving to Node #0,2,2 Current State: 71:[71, 1], Operations: ['94-23=71', '74/74=1'] Exploring Operation: 71+1=72, Resulting Numbers: [72] 72,71 unequal: No Solution Exploring Operation: 71-1=70, Resulting Numbers: [70] 70,71 unequal: No Solution Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[23, 74, 94, 74], Operations: [] Exploring Operation: 94-23=71, Resulting Numbers: [74, 74, 71] Generated Node #0,2: 71:[74, 74, 71] Operation: 94-23=71 Moving to Node #0,2 Current State: 71:[74, 74, 71], Operations: ['94-23=71'] Exploring Operation: 74/74=1, Resulting Numbers: [71, 1] Generated Node #0,2,2: 71:[71, 1] Operation: 74/74=1 Moving to Node #0,2,2 Current State: 71:[71, 1], Operations: ['94-23=71', '74/74=1'] Exploring Operation: 71/1=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 47, 39, 40, 60 ]
92
[ "47-39=8", "40+60=100", "100-8=92" ]
Current State: 92:[47, 39, 40, 60], Operations: [] Exploring Operation: 47-39=8, Resulting Numbers: [40, 60, 8] Generated Node #2: [40, 60, 8] from Operation: 47-39=8 Current State: 92:[40, 60, 8], Operations: ['47-39=8'] Exploring Operation: 40+60=100, Resulting Numbers: [8, 100] Generated Node #3: [8, 100] from Operation: 40+60=100 Current State: 92:[8, 100], Operations: ['47-39=8', '40+60=100'] Exploring Operation: 100-8=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[47, 39, 40, 60], Operations: [] Exploring Operation: 40+60=100, Resulting Numbers: [47, 39, 100] Generated Node #0,0: 92:[47, 39, 100] Operation: 40+60=100 Exploring Operation: 60-40=20, Resulting Numbers: [47, 39, 20] Generated Node #0,1: 92:[47, 39, 20] Operation: 60-40=20 Exploring Operation: 39+60=99, Resulting Numbers: [47, 40, 99] Generated Node #0,2: 92:[47, 40, 99] Operation: 39+60=99 Exploring Operation: 60-39=21, Resulting Numbers: [47, 40, 21] Generated Node #0,3: 92:[47, 40, 21] Operation: 60-39=21 Exploring Operation: 40-39=1, Resulting Numbers: [47, 60, 1] Generated Node #0,4: 92:[47, 60, 1] Operation: 40-39=1 Moving to Node #0,3 Current State: 92:[47, 40, 21], Operations: ['60-39=21'] Exploring Operation: 40-21=19, Resulting Numbers: [47, 19] Generated Node #0,3,0: 92:[47, 19] Operation: 40-21=19 Exploring Operation: 47-21=26, Resulting Numbers: [40, 26] Generated Node #0,3,1: 92:[40, 26] Operation: 47-21=26 Exploring Operation: 47+40=87, Resulting Numbers: [21, 87] Generated Node #0,3,2: 92:[21, 87] Operation: 47+40=87 Exploring Operation: 40+21=61, Resulting Numbers: [47, 61] Generated Node #0,3,3: 92:[47, 61] Operation: 40+21=61 Exploring Operation: 47-40=7, Resulting Numbers: [21, 7] Generated Node #0,3,4: 92:[21, 7] Operation: 47-40=7 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 92:[47, 19], Operations: ['60-39=21', '40-21=19'] Exploring Operation: 47*19=893, Resulting Numbers: [893] 893,92 unequal: No Solution Exploring Operation: 47+19=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 92:[21, 7], Operations: ['60-39=21', '47-40=7'] Exploring Operation: 21-7=14, Resulting Numbers: [14] 14,92 unequal: No Solution Exploring Operation: 21/7=3, Resulting Numbers: [3] 3,92 unequal: No Solution Exploring Operation: 21+7=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 21*7=147, Resulting Numbers: [147] 147,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 92:[21, 87], Operations: ['60-39=21', '47+40=87'] Exploring Operation: 21+87=108, Resulting Numbers: [108] 108,92 unequal: No Solution Exploring Operation: 87-21=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 21*87=1827, Resulting Numbers: [1827] 1827,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 92:[40, 26], Operations: ['60-39=21', '47-21=26'] Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,92 unequal: No Solution Exploring Operation: 40+26=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 40*26=1040, Resulting Numbers: [1040] 1040,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 92:[47, 61], Operations: ['60-39=21', '40+21=61'] Exploring Operation: 47+61=108, Resulting Numbers: [108] 108,92 unequal: No Solution Exploring Operation: 61-47=14, Resulting Numbers: [14] 14,92 unequal: No Solution Exploring Operation: 47*61=2867, Resulting Numbers: [2867] 2867,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 92:[47, 39, 20], Operations: ['60-40=20'] Exploring Operation: 47-20=27, Resulting Numbers: [39, 27] Generated Node #0,1,0: 92:[39, 27] Operation: 47-20=27 Exploring Operation: 47-39=8, Resulting Numbers: [20, 8] Generated Node #0,1,1: 92:[20, 8] Operation: 47-39=8 Exploring Operation: 39-20=19, Resulting Numbers: [47, 19] Generated Node #0,1,2: 92:[47, 19] Operation: 39-20=19 Exploring Operation: 39+20=59, Resulting Numbers: [47, 59] Generated Node #0,1,3: 92:[47, 59] Operation: 39+20=59 Exploring Operation: 47+39=86, Resulting Numbers: [20, 86] Generated Node #0,1,4: 92:[20, 86] Operation: 47+39=86 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 92:[47, 19], Operations: ['60-40=20', '39-20=19'] Exploring Operation: 47+19=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 47*19=893, Resulting Numbers: [893] 893,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[20, 8], Operations: ['60-40=20', '47-39=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 92:[20, 86], Operations: ['60-40=20', '47+39=86'] Exploring Operation: 20+86=106, Resulting Numbers: [106] 106,92 unequal: No Solution Exploring Operation: 86-20=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 20*86=1720, Resulting Numbers: [1720] 1720,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[39, 27], Operations: ['60-40=20', '47-20=27'] Exploring Operation: 39+27=66, Resulting Numbers: [66] 66,92 unequal: No Solution Exploring Operation: 39-27=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 39*27=1053, Resulting Numbers: [1053] 1053,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 92:[47, 59], Operations: ['60-40=20', '39+20=59'] Exploring Operation: 59-47=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 47+59=106, Resulting Numbers: [106] 106,92 unequal: No Solution Exploring Operation: 47*59=2773, Resulting Numbers: [2773] 2773,92 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: 92:[47, 40, 99], Operations: ['39+60=99'] Exploring Operation: 40+99=139, Resulting Numbers: [47, 139] Generated Node #0,2,0: 92:[47, 139] Operation: 40+99=139 Exploring Operation: 47+40=87, Resulting Numbers: [99, 87] Generated Node #0,2,1: 92:[99, 87] Operation: 47+40=87 Exploring Operation: 99-40=59, Resulting Numbers: [47, 59] Generated Node #0,2,2: 92:[47, 59] Operation: 99-40=59 Exploring Operation: 99-47=52, Resulting Numbers: [40, 52] Generated Node #0,2,3: 92:[40, 52] Operation: 99-47=52 Exploring Operation: 47-40=7, Resulting Numbers: [99, 7] Generated Node #0,2,4: 92:[99, 7] Operation: 47-40=7 Moving to Node #0,0 Current State: 92:[47, 39, 100], Operations: ['40+60=100'] Exploring Operation: 47+39=86, Resulting Numbers: [100, 86] Generated Node #0,0,0: 92:[100, 86] Operation: 47+39=86 Exploring Operation: 47-39=8, Resulting Numbers: [100, 8] Generated Node #0,0,1: 92:[100, 8] Operation: 47-39=8 Exploring Operation: 100-39=61, Resulting Numbers: [47, 61] Generated Node #0,0,2: 92:[47, 61] Operation: 100-39=61 Exploring Operation: 39+100=139, Resulting Numbers: [47, 139] Generated Node #0,0,3: 92:[47, 139] Operation: 39+100=139 Exploring Operation: 100-47=53, Resulting Numbers: [39, 53] Generated Node #0,0,4: 92:[39, 53] Operation: 100-47=53 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 92:[100, 8], Operations: ['40+60=100', '47-39=8'] Exploring Operation: 100*8=800, Resulting Numbers: [800] 800,92 unequal: No Solution Exploring Operation: 100+8=108, Resulting Numbers: [108] 108,92 unequal: No Solution Exploring Operation: 100-8=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[47, 39, 40, 60], Operations: [] Exploring Operation: 40+60=100, Resulting Numbers: [47, 39, 100] Generated Node #0,0: 92:[47, 39, 100] Operation: 40+60=100 Moving to Node #0,0 Current State: 92:[47, 39, 100], Operations: ['40+60=100'] Exploring Operation: 47-39=8, Resulting Numbers: [100, 8] Generated Node #0,0,1: 92:[100, 8] Operation: 47-39=8 Moving to Node #0,0,1 Current State: 92:[100, 8], Operations: ['40+60=100', '47-39=8'] Exploring Operation: 100-8=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.945313
hs_5
mult_heuristic
[ 46, 64, 83, 38 ]
92
[ "46*38=1748", "83-64=19", "1748/19=92" ]
Current State: 92:[46, 64, 83, 38], Operations: [] Exploring Operation: 46*38=1748, Resulting Numbers: [64, 83, 1748] Generated Node #2: [64, 83, 1748] from Operation: 46*38=1748 Current State: 92:[64, 83, 1748], Operations: ['46*38=1748'] Exploring Operation: 83-64=19, Resulting Numbers: [1748, 19] Generated Node #3: [1748, 19] from Operation: 83-64=19 Current State: 92:[1748, 19], Operations: ['46*38=1748', '83-64=19'] Exploring Operation: 1748/19=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[46, 64, 83, 38], Operations: [] Exploring Operation: 64-38=26, Resulting Numbers: [46, 83, 26] Generated Node #0,0: 92:[46, 83, 26] Operation: 64-38=26 Exploring Operation: 83-64=19, Resulting Numbers: [46, 38, 19] Generated Node #0,1: 92:[46, 38, 19] Operation: 83-64=19 Exploring Operation: 64+38=102, Resulting Numbers: [46, 83, 102] Generated Node #0,2: 92:[46, 83, 102] Operation: 64+38=102 Exploring Operation: 83-38=45, Resulting Numbers: [46, 64, 45] Generated Node #0,3: 92:[46, 64, 45] Operation: 83-38=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[46, 83, 26], Operations: ['64-38=26'] Exploring Operation: 83-26=57, Resulting Numbers: [46, 57] Generated Node #0,0,0: 92:[46, 57] Operation: 83-26=57 Exploring Operation: 83+26=109, Resulting Numbers: [46, 109] Generated Node #0,0,1: 92:[46, 109] Operation: 83+26=109 Exploring Operation: 46-26=20, Resulting Numbers: [83, 20] Generated Node #0,0,2: 92:[83, 20] Operation: 46-26=20 Exploring Operation: 83-46=37, Resulting Numbers: [26, 37] Generated Node #0,0,3: 92:[26, 37] Operation: 83-46=37 Moving to Node #0,0,0 Current State: 92:[46, 57], Operations: ['64-38=26', '83-26=57'] Exploring Operation: 57-46=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 46+57=103, Resulting Numbers: [103] 103,92 unequal: No Solution Exploring Operation: 46*57=2622, Resulting Numbers: [2622] 2622,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[26, 37], Operations: ['64-38=26', '83-46=37'] Exploring Operation: 37-26=11, Resulting Numbers: [11] 11,92 unequal: No Solution Exploring Operation: 26*37=962, Resulting Numbers: [962] 962,92 unequal: No Solution Exploring Operation: 26+37=63, Resulting Numbers: [63] 63,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[83, 20], Operations: ['64-38=26', '46-26=20'] Exploring Operation: 83-20=63, Resulting Numbers: [63] 63,92 unequal: No Solution Exploring Operation: 83*20=1660, Resulting Numbers: [1660] 1660,92 unequal: No Solution Exploring Operation: 83+20=103, Resulting Numbers: [103] 103,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[46, 109], Operations: ['64-38=26', '83+26=109'] Exploring Operation: 46*109=5014, Resulting Numbers: [5014] 5014,92 unequal: No Solution Exploring Operation: 46+109=155, Resulting Numbers: [155] 155,92 unequal: No Solution Exploring Operation: 109-46=63, Resulting Numbers: [63] 63,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[46, 38, 19], Operations: ['83-64=19'] Exploring Operation: 38+19=57, Resulting Numbers: [46, 57] Generated Node #0,1,0: 92:[46, 57] Operation: 38+19=57 Exploring Operation: 38-19=19, Resulting Numbers: [46, 19] Generated Node #0,1,1: 92:[46, 19] Operation: 38-19=19 Exploring Operation: 46-38=8, Resulting Numbers: [19, 8] Generated Node #0,1,2: 92:[19, 8] Operation: 46-38=8 Exploring Operation: 38/19=2, Resulting Numbers: [46, 2] Generated Node #0,1,3: 92:[46, 2] Operation: 38/19=2 Moving to Node #0,1,3 Current State: 92:[46, 2], Operations: ['83-64=19', '38/19=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,92 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,92 unequal: No Solution Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[46, 64, 83, 38], Operations: [] Exploring Operation: 83-64=19, Resulting Numbers: [46, 38, 19] Generated Node #0,1: 92:[46, 38, 19] Operation: 83-64=19 Moving to Node #0,1 Current State: 92:[46, 38, 19], Operations: ['83-64=19'] Exploring Operation: 38/19=2, Resulting Numbers: [46, 2] Generated Node #0,1,3: 92:[46, 2] Operation: 38/19=2 Moving to Node #0,1,3 Current State: 92:[46, 2], Operations: ['83-64=19', '38/19=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 77, 87, 11, 32 ]
53
[ "87-77=10", "11+32=43", "10+43=53" ]
Current State: 53:[77, 87, 11, 32], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [11, 32, 10] Generated Node #2: [11, 32, 10] from Operation: 87-77=10 Current State: 53:[11, 32, 10], Operations: ['87-77=10'] Exploring Operation: 11+32=43, Resulting Numbers: [10, 43] Generated Node #3: [10, 43] from Operation: 11+32=43 Current State: 53:[10, 43], Operations: ['87-77=10', '11+32=43'] Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[77, 87, 11, 32], Operations: [] Exploring Operation: 77-11=66, Resulting Numbers: [87, 32, 66] Generated Node #0,0: 53:[87, 32, 66] Operation: 77-11=66 Exploring Operation: 87-32=55, Resulting Numbers: [77, 11, 55] Generated Node #0,1: 53:[77, 11, 55] Operation: 87-32=55 Exploring Operation: 87-11=76, Resulting Numbers: [77, 32, 76] Generated Node #0,2: 53:[77, 32, 76] Operation: 87-11=76 Exploring Operation: 11+32=43, Resulting Numbers: [77, 87, 43] Generated Node #0,3: 53:[77, 87, 43] Operation: 11+32=43 Exploring Operation: 77-32=45, Resulting Numbers: [87, 11, 45] Generated Node #0,4: 53:[87, 11, 45] Operation: 77-32=45 Moving to Node #0,0 Current State: 53:[87, 32, 66], Operations: ['77-11=66'] Exploring Operation: 87-66=21, Resulting Numbers: [32, 21] Generated Node #0,0,0: 53:[32, 21] Operation: 87-66=21 Exploring Operation: 66-32=34, Resulting Numbers: [87, 34] Generated Node #0,0,1: 53:[87, 34] Operation: 66-32=34 Exploring Operation: 87+32=119, Resulting Numbers: [66, 119] Generated Node #0,0,2: 53:[66, 119] Operation: 87+32=119 Exploring Operation: 32+66=98, Resulting Numbers: [87, 98] Generated Node #0,0,3: 53:[87, 98] Operation: 32+66=98 Exploring Operation: 87-32=55, Resulting Numbers: [66, 55] Generated Node #0,0,4: 53:[66, 55] Operation: 87-32=55 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 53:[66, 55], Operations: ['77-11=66', '87-32=55'] Exploring Operation: 66*55=3630, Resulting Numbers: [3630] 3630,53 unequal: No Solution Exploring Operation: 66+55=121, Resulting Numbers: [121] 121,53 unequal: No Solution Exploring Operation: 66-55=11, Resulting Numbers: [11] 11,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[32, 21], Operations: ['77-11=66', '87-66=21'] Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[77, 87, 11, 32], Operations: [] Exploring Operation: 77-11=66, Resulting Numbers: [87, 32, 66] Generated Node #0,0: 53:[87, 32, 66] Operation: 77-11=66 Moving to Node #0,0 Current State: 53:[87, 32, 66], Operations: ['77-11=66'] Exploring Operation: 87-66=21, Resulting Numbers: [32, 21] Generated Node #0,0,0: 53:[32, 21] Operation: 87-66=21 Moving to Node #0,0,0 Current State: 53:[32, 21], Operations: ['77-11=66', '87-66=21'] Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 73, 9, 75, 89 ]
53
[ "89-75=14", "9*14=126", "126-73=53" ]
Current State: 53:[73, 9, 75, 89], Operations: [] Exploring Operation: 89-75=14, Resulting Numbers: [73, 9, 14] Generated Node #2: [73, 9, 14] from Operation: 89-75=14 Current State: 53:[73, 9, 14], Operations: ['89-75=14'] Exploring Operation: 9*14=126, Resulting Numbers: [73, 126] Generated Node #3: [73, 126] from Operation: 9*14=126 Current State: 53:[73, 126], Operations: ['89-75=14', '9*14=126'] Exploring Operation: 126-73=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[73, 9, 75, 89], Operations: [] Exploring Operation: 73-9=64, Resulting Numbers: [75, 89, 64] Generated Node #0,0: 53:[75, 89, 64] Operation: 73-9=64 Exploring Operation: 75-9=66, Resulting Numbers: [73, 89, 66] Generated Node #0,1: 53:[73, 89, 66] Operation: 75-9=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[75, 89, 64], Operations: ['73-9=64'] Exploring Operation: 89-75=14, Resulting Numbers: [64, 14] Generated Node #0,0,0: 53:[64, 14] Operation: 89-75=14 Exploring Operation: 89-64=25, Resulting Numbers: [75, 25] Generated Node #0,0,1: 53:[75, 25] Operation: 89-64=25 Moving to Node #0,0,0 Current State: 53:[64, 14], Operations: ['73-9=64', '89-75=14'] Exploring Operation: 64-14=50, Resulting Numbers: [50] 50,53 unequal: No Solution Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[75, 25], Operations: ['73-9=64', '89-64=25'] Exploring Operation: 75-25=50, Resulting Numbers: [50] 50,53 unequal: No Solution Exploring Operation: 75+25=100, Resulting Numbers: [100] 100,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[73, 89, 66], Operations: ['75-9=66'] Exploring Operation: 89-73=16, Resulting Numbers: [66, 16] Generated Node #0,1,0: 53:[66, 16] Operation: 89-73=16 Exploring Operation: 89-66=23, Resulting Numbers: [73, 23] Generated Node #0,1,1: 53:[73, 23] Operation: 89-66=23 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[66, 16], Operations: ['75-9=66', '89-73=16'] Exploring Operation: 66+16=82, Resulting Numbers: [82] 82,53 unequal: No Solution Exploring Operation: 66-16=50, Resulting Numbers: [50] 50,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[73, 23], Operations: ['75-9=66', '89-66=23'] Exploring Operation: 73+23=96, Resulting Numbers: [96] 96,53 unequal: No Solution Exploring Operation: 73-23=50, Resulting Numbers: [50] 50,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 47, 75, 47, 35 ]
41
[ "47/47=1", "75-35=40", "1+40=41" ]
Current State: 41:[47, 75, 47, 35], Operations: [] Exploring Operation: 47/47=1, Resulting Numbers: [75, 35, 1] Generated Node #2: [75, 35, 1] from Operation: 47/47=1 Current State: 41:[75, 35, 1], Operations: ['47/47=1'] Exploring Operation: 75-35=40, Resulting Numbers: [1, 40] Generated Node #3: [1, 40] from Operation: 75-35=40 Current State: 41:[1, 40], Operations: ['47/47=1', '75-35=40'] Exploring Operation: 1+40=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[47, 75, 47, 35], Operations: [] Exploring Operation: 47-35=12, Resulting Numbers: [75, 47, 12] Generated Node #0,0: 41:[75, 47, 12] Operation: 47-35=12 Exploring Operation: 75-47=28, Resulting Numbers: [47, 35, 28] Generated Node #0,1: 41:[47, 35, 28] Operation: 75-47=28 Exploring Operation: 75-47=28, Resulting Numbers: [47, 35, 28] Generated Node #0,2: 41:[47, 35, 28] Operation: 75-47=28 Exploring Operation: 75-35=40, Resulting Numbers: [47, 47, 40] Generated Node #0,3: 41:[47, 47, 40] Operation: 75-35=40 Moving to Node #0,3 Current State: 41:[47, 47, 40], Operations: ['75-35=40'] Exploring Operation: 47/47=1, Resulting Numbers: [40, 1] Generated Node #0,3,0: 41:[40, 1] Operation: 47/47=1 Exploring Operation: 47-40=7, Resulting Numbers: [47, 7] Generated Node #0,3,1: 41:[47, 7] Operation: 47-40=7 Exploring Operation: 47-47=0, Resulting Numbers: [40, 0] Generated Node #0,3,2: 41:[40, 0] Operation: 47-47=0 Exploring Operation: 47-40=7, Resulting Numbers: [47, 7] Generated Node #0,3,3: 41:[47, 7] Operation: 47-40=7 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 41:[47, 7], Operations: ['75-35=40', '47-40=7'] Exploring Operation: 47*7=329, Resulting Numbers: [329] 329,41 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 41:[47, 7], Operations: ['75-35=40', '47-40=7'] Exploring Operation: 47+7=54, Resulting Numbers: [54] 54,41 unequal: No Solution Exploring Operation: 47-7=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 47*7=329, Resulting Numbers: [329] 329,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 41:[40, 1], Operations: ['75-35=40', '47/47=1'] Exploring Operation: 40/1=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[47, 75, 47, 35], Operations: [] Exploring Operation: 75-35=40, Resulting Numbers: [47, 47, 40] Generated Node #0,3: 41:[47, 47, 40] Operation: 75-35=40 Moving to Node #0,3 Current State: 41:[47, 47, 40], Operations: ['75-35=40'] Exploring Operation: 47/47=1, Resulting Numbers: [40, 1] Generated Node #0,3,0: 41:[40, 1] Operation: 47/47=1 Moving to Node #0,3,0 Current State: 41:[40, 1], Operations: ['75-35=40', '47/47=1'] Exploring Operation: 40+1=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 33, 16, 86, 16 ]
52
[ "86-33=53", "16/16=1", "53-1=52" ]
Current State: 52:[33, 16, 86, 16], Operations: [] Exploring Operation: 86-33=53, Resulting Numbers: [16, 16, 53] Generated Node #2: [16, 16, 53] from Operation: 86-33=53 Current State: 52:[16, 16, 53], Operations: ['86-33=53'] Exploring Operation: 16/16=1, Resulting Numbers: [53, 1] Generated Node #3: [53, 1] from Operation: 16/16=1 Current State: 52:[53, 1], Operations: ['86-33=53', '16/16=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[33, 16, 86, 16], Operations: [] Exploring Operation: 86-33=53, Resulting Numbers: [16, 16, 53] Generated Node #0,0: 52:[16, 16, 53] Operation: 86-33=53 Exploring Operation: 86-16=70, Resulting Numbers: [33, 16, 70] Generated Node #0,1: 52:[33, 16, 70] Operation: 86-16=70 Moving to Node #0,0 Current State: 52:[16, 16, 53], Operations: ['86-33=53'] Exploring Operation: 16-16=0, Resulting Numbers: [53, 0] Generated Node #0,0,0: 52:[53, 0] Operation: 16-16=0 Exploring Operation: 16/16=1, Resulting Numbers: [53, 1] Generated Node #0,0,1: 52:[53, 1] Operation: 16/16=1 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[53, 1], Operations: ['86-33=53', '16/16=1'] Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[33, 16, 86, 16], Operations: [] Exploring Operation: 86-33=53, Resulting Numbers: [16, 16, 53] Generated Node #0,0: 52:[16, 16, 53] Operation: 86-33=53 Moving to Node #0,0 Current State: 52:[16, 16, 53], Operations: ['86-33=53'] Exploring Operation: 16/16=1, Resulting Numbers: [53, 1] Generated Node #0,0,1: 52:[53, 1] Operation: 16/16=1 Moving to Node #0,0,1 Current State: 52:[53, 1], Operations: ['86-33=53', '16/16=1'] Exploring Operation: 53-1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 13, 8, 23, 35 ]
45
[ "23-13=10", "8*10=80", "80-35=45" ]
Current State: 45:[13, 8, 23, 35], Operations: [] Exploring Operation: 23-13=10, Resulting Numbers: [8, 35, 10] Generated Node #2: [8, 35, 10] from Operation: 23-13=10 Current State: 45:[8, 35, 10], Operations: ['23-13=10'] Exploring Operation: 8*10=80, Resulting Numbers: [35, 80] Generated Node #3: [35, 80] from Operation: 8*10=80 Current State: 45:[35, 80], Operations: ['23-13=10', '8*10=80'] Exploring Operation: 80-35=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[13, 8, 23, 35], Operations: [] Exploring Operation: 13+35=48, Resulting Numbers: [8, 23, 48] Generated Node #0,0: 45:[8, 23, 48] Operation: 13+35=48 Exploring Operation: 35-23=12, Resulting Numbers: [13, 8, 12] Generated Node #0,1: 45:[13, 8, 12] Operation: 35-23=12 Exploring Operation: 23-13=10, Resulting Numbers: [8, 35, 10] Generated Node #0,2: 45:[8, 35, 10] Operation: 23-13=10 Exploring Operation: 23-8=15, Resulting Numbers: [13, 35, 15] Generated Node #0,3: 45:[13, 35, 15] Operation: 23-8=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[13, 8, 12], Operations: ['35-23=12'] Exploring Operation: 12-8=4, Resulting Numbers: [13, 4] Generated Node #0,1,0: 45:[13, 4] Operation: 12-8=4 Exploring Operation: 13-12=1, Resulting Numbers: [8, 1] Generated Node #0,1,1: 45:[8, 1] Operation: 13-12=1 Exploring Operation: 13-8=5, Resulting Numbers: [12, 5] Generated Node #0,1,2: 45:[12, 5] Operation: 13-8=5 Exploring Operation: 8+12=20, Resulting Numbers: [13, 20] Generated Node #0,1,3: 45:[13, 20] Operation: 8+12=20 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[13, 4], Operations: ['35-23=12', '12-8=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,45 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,45 unequal: No Solution No 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: 45:[8, 1], Operations: ['35-23=12', '13-12=1'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,45 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,45 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,45 unequal: No Solution No 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: 45:[12, 5], Operations: ['35-23=12', '13-8=5'] Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,45 unequal: No Solution Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,45 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,45 unequal: No Solution No 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: 45:[13, 20], Operations: ['35-23=12', '8+12=20'] Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,45 unequal: No Solution Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,45 unequal: No Solution Exploring Operation: 13*20=260, Resulting Numbers: [260] 260,45 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: 45:[8, 23, 48], Operations: ['13+35=48'] Exploring Operation: 48-8=40, Resulting Numbers: [23, 40] Generated Node #0,0,0: 45:[23, 40] Operation: 48-8=40 Exploring Operation: 48/8=6, Resulting Numbers: [23, 6] Generated Node #0,0,1: 45:[23, 6] Operation: 48/8=6 Exploring Operation: 48-23=25, Resulting Numbers: [8, 25] Generated Node #0,0,2: 45:[8, 25] Operation: 48-23=25 Exploring Operation: 23-8=15, Resulting Numbers: [48, 15] Generated Node #0,0,3: 45:[48, 15] Operation: 23-8=15 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 45:[48, 15], Operations: ['13+35=48', '23-8=15'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,45 unequal: No Solution Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,45 unequal: No Solution Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,45 unequal: No Solution No 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: 45:[23, 6], Operations: ['13+35=48', '48/8=6'] Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,45 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,45 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,45 unequal: No Solution No 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: 45:[8, 25], Operations: ['13+35=48', '48-23=25'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,45 unequal: No Solution Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,45 unequal: No Solution Exploring Operation: 8*25=200, Resulting Numbers: [200] 200,45 unequal: No Solution No 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: 45:[23, 40], Operations: ['13+35=48', '48-8=40'] Exploring Operation: 40-23=17, Resulting Numbers: [17] 17,45 unequal: No Solution Exploring Operation: 23*40=920, Resulting Numbers: [920] 920,45 unequal: No Solution Exploring Operation: 23+40=63, Resulting Numbers: [63] 63,45 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: 45:[8, 35, 10], Operations: ['23-13=10'] Exploring Operation: 8+35=43, Resulting Numbers: [10, 43] Generated Node #0,2,0: 45:[10, 43] Operation: 8+35=43 Exploring Operation: 35+10=45, Resulting Numbers: [8, 45] Generated Node #0,2,1: 45:[8, 45] Operation: 35+10=45 Exploring Operation: 10-8=2, Resulting Numbers: [35, 2] Generated Node #0,2,2: 45:[35, 2] Operation: 10-8=2 Exploring Operation: 35-10=25, Resulting Numbers: [8, 25] Generated Node #0,2,3: 45:[8, 25] Operation: 35-10=25 Moving to Node #0,2,1 Current State: 45:[8, 45], Operations: ['23-13=10', '35+10=45'] Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,45 unequal: No Solution Exploring Operation: 8+45=53, Resulting Numbers: [53] 53,45 unequal: No Solution Exploring Operation: 8*45=360, Resulting Numbers: [360] 360,45 unequal: No Solution Moving to Node #0,2,0 Current State: 45:[10, 43], Operations: ['23-13=10', '8+35=43'] Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,45 unequal: No Solution Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,45 unequal: No Solution Exploring Operation: 10*43=430, Resulting Numbers: [430] 430,45 unequal: No Solution Moving to Node #0,2,3 Current State: 45:[8, 25], Operations: ['23-13=10', '35-10=25'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,45 unequal: No Solution Exploring Operation: 8*25=200, Resulting Numbers: [200] 200,45 unequal: No Solution Exploring Operation: 8+25=33, Resulting Numbers: [33] 33,45 unequal: No Solution Moving to Node #0,2,2 Current State: 45:[35, 2], Operations: ['23-13=10', '10-8=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,45 unequal: No Solution Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,45 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 45:[13, 35, 15], Operations: ['23-8=15'] Exploring Operation: 35-15=20, Resulting Numbers: [13, 20] Generated Node #0,3,0: 45:[13, 20] Operation: 35-15=20 Exploring Operation: 35-13=22, Resulting Numbers: [15, 22] Generated Node #0,3,1: 45:[15, 22] Operation: 35-13=22 Exploring Operation: 13+35=48, Resulting Numbers: [15, 48] Generated Node #0,3,2: 45:[15, 48] Operation: 13+35=48 Exploring Operation: 35+15=50, Resulting Numbers: [13, 50] Generated Node #0,3,3: 45:[13, 50] Operation: 35+15=50 Moving to Node #0,3,2 Current State: 45:[15, 48], Operations: ['23-8=15', '13+35=48'] Exploring Operation: 15+48=63, Resulting Numbers: [63] 63,45 unequal: No Solution Exploring Operation: 15*48=720, Resulting Numbers: [720] 720,45 unequal: No Solution Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,45 unequal: No Solution Moving to Node #0,3,1 Current State: 45:[15, 22], Operations: ['23-8=15', '35-13=22'] Exploring Operation: 15+22=37, Resulting Numbers: [37] 37,45 unequal: No Solution Exploring Operation: 15*22=330, Resulting Numbers: [330] 330,45 unequal: No Solution Exploring Operation: 22-15=7, Resulting Numbers: [7] 7,45 unequal: No Solution Moving to Node #0,3,0 Current State: 45:[13, 20], Operations: ['23-8=15', '35-15=20'] Exploring Operation: 13+20=33, Resulting Numbers: [33] 33,45 unequal: No Solution Exploring Operation: 13*20=260, Resulting Numbers: [260] 260,45 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,45 unequal: No Solution Moving to Node #0,3,3 Current State: 45:[13, 50], Operations: ['23-8=15', '35+15=50'] Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,45 unequal: No Solution Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,45 unequal: No Solution Exploring Operation: 13*50=650, Resulting Numbers: [650] 650,45 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
[ 16, 14, 78, 70 ]
96
[ "78-14=64", "70-64=6", "16*6=96" ]
Current State: 96:[16, 14, 78, 70], Operations: [] Exploring Operation: 78-14=64, Resulting Numbers: [16, 70, 64] Generated Node #2: [16, 70, 64] from Operation: 78-14=64 Current State: 96:[16, 70, 64], Operations: ['78-14=64'] Exploring Operation: 70-64=6, Resulting Numbers: [16, 6] Generated Node #3: [16, 6] from Operation: 70-64=6 Current State: 96:[16, 6], Operations: ['78-14=64', '70-64=6'] Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[16, 14, 78, 70], Operations: [] Exploring Operation: 70/14=5, Resulting Numbers: [16, 78, 5] Generated Node #0,0: 96:[16, 78, 5] Operation: 70/14=5 Exploring Operation: 14+78=92, Resulting Numbers: [16, 70, 92] Generated Node #0,1: 96:[16, 70, 92] Operation: 14+78=92 Exploring Operation: 70-16=54, Resulting Numbers: [14, 78, 54] Generated Node #0,2: 96:[14, 78, 54] Operation: 70-16=54 Exploring Operation: 16+78=94, Resulting Numbers: [14, 70, 94] Generated Node #0,3: 96:[14, 70, 94] Operation: 16+78=94 Exploring Operation: 78-70=8, Resulting Numbers: [16, 14, 8] Generated Node #0,4: 96:[16, 14, 8] Operation: 78-70=8 Start Sub Search at level 1: Moving to Node #0,4 Current State: 96:[16, 14, 8], Operations: ['78-70=8'] Exploring Operation: 14-8=6, Resulting Numbers: [16, 6] Generated Node #0,4,0: 96:[16, 6] Operation: 14-8=6 Exploring Operation: 16+14=30, Resulting Numbers: [8, 30] Generated Node #0,4,1: 96:[8, 30] Operation: 16+14=30 Exploring Operation: 16+8=24, Resulting Numbers: [14, 24] Generated Node #0,4,2: 96:[14, 24] Operation: 16+8=24 Exploring Operation: 16-8=8, Resulting Numbers: [14, 8] Generated Node #0,4,3: 96:[14, 8] Operation: 16-8=8 Exploring Operation: 16-14=2, Resulting Numbers: [8, 2] Generated Node #0,4,4: 96:[8, 2] Operation: 16-14=2 Moving to Node #0,4,0 Current State: 96:[16, 6], Operations: ['78-70=8', '14-8=6'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,96 unequal: No Solution Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[16, 14, 78, 70], Operations: [] Exploring Operation: 78-70=8, Resulting Numbers: [16, 14, 8] Generated Node #0,4: 96:[16, 14, 8] Operation: 78-70=8 Moving to Node #0,4 Current State: 96:[16, 14, 8], Operations: ['78-70=8'] Exploring Operation: 14-8=6, Resulting Numbers: [16, 6] Generated Node #0,4,0: 96:[16, 6] Operation: 14-8=6 Moving to Node #0,4,0 Current State: 96:[16, 6], Operations: ['78-70=8', '14-8=6'] Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 15, 18, 96, 76 ]
90
[ "96-15=81", "81-76=5", "18*5=90" ]
Current State: 90:[15, 18, 96, 76], Operations: [] Exploring Operation: 96-15=81, Resulting Numbers: [18, 76, 81] Generated Node #2: [18, 76, 81] from Operation: 96-15=81 Current State: 90:[18, 76, 81], Operations: ['96-15=81'] Exploring Operation: 81-76=5, Resulting Numbers: [18, 5] Generated Node #3: [18, 5] from Operation: 81-76=5 Current State: 90:[18, 5], Operations: ['96-15=81', '81-76=5'] Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[15, 18, 96, 76], Operations: [] Exploring Operation: 18+76=94, Resulting Numbers: [15, 96, 94] Generated Node #0,0: 90:[15, 96, 94] Operation: 18+76=94 Exploring Operation: 96-76=20, Resulting Numbers: [15, 18, 20] Generated Node #0,1: 90:[15, 18, 20] Operation: 96-76=20 Exploring Operation: 76-18=58, Resulting Numbers: [15, 96, 58] Generated Node #0,2: 90:[15, 96, 58] Operation: 76-18=58 Exploring Operation: 15+76=91, Resulting Numbers: [18, 96, 91] Generated Node #0,3: 90:[18, 96, 91] Operation: 15+76=91 Exploring Operation: 18-15=3, Resulting Numbers: [96, 76, 3] Generated Node #0,4: 90:[96, 76, 3] Operation: 18-15=3 Moving to Node #0,1 Current State: 90:[15, 18, 20], Operations: ['96-76=20'] Exploring Operation: 15+18=33, Resulting Numbers: [20, 33] Generated Node #0,1,0: 90:[20, 33] Operation: 15+18=33 Exploring Operation: 20-18=2, Resulting Numbers: [15, 2] Generated Node #0,1,1: 90:[15, 2] Operation: 20-18=2 Exploring Operation: 18-15=3, Resulting Numbers: [20, 3] Generated Node #0,1,2: 90:[20, 3] Operation: 18-15=3 Exploring Operation: 15+20=35, Resulting Numbers: [18, 35] Generated Node #0,1,3: 90:[18, 35] Operation: 15+20=35 Exploring Operation: 20-15=5, Resulting Numbers: [18, 5] Generated Node #0,1,4: 90:[18, 5] Operation: 20-15=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[15, 2], Operations: ['96-76=20', '20-18=2'] Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,90 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 90:[18, 5], Operations: ['96-76=20', '20-15=5'] Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[15, 18, 96, 76], Operations: [] Exploring Operation: 96-76=20, Resulting Numbers: [15, 18, 20] Generated Node #0,1: 90:[15, 18, 20] Operation: 96-76=20 Moving to Node #0,1 Current State: 90:[15, 18, 20], Operations: ['96-76=20'] Exploring Operation: 20-15=5, Resulting Numbers: [18, 5] Generated Node #0,1,4: 90:[18, 5] Operation: 20-15=5 Moving to Node #0,1,4 Current State: 90:[18, 5], Operations: ['96-76=20', '20-15=5'] Exploring Operation: 18*5=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 2, 36, 77, 99 ]
29
[ "77-36=41", "99-41=58", "58/2=29" ]
Current State: 29:[2, 36, 77, 99], Operations: [] Exploring Operation: 77-36=41, Resulting Numbers: [2, 99, 41] Generated Node #2: [2, 99, 41] from Operation: 77-36=41 Current State: 29:[2, 99, 41], Operations: ['77-36=41'] Exploring Operation: 99-41=58, Resulting Numbers: [2, 58] Generated Node #3: [2, 58] from Operation: 99-41=58 Current State: 29:[2, 58], Operations: ['77-36=41', '99-41=58'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[2, 36, 77, 99], Operations: [] Exploring Operation: 99-77=22, Resulting Numbers: [2, 36, 22] Generated Node #0,0: 29:[2, 36, 22] Operation: 99-77=22 Moving to Node #0,0 Current State: 29:[2, 36, 22], Operations: ['99-77=22'] Exploring Operation: 36-2=34, Resulting Numbers: [22, 34] Generated Node #0,0,0: 29:[22, 34] Operation: 36-2=34 Moving to Node #0,0,0 Current State: 29:[22, 34], Operations: ['99-77=22', '36-2=34'] Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,29 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 10, 41, 59, 26 ]
91
[ "41-26=15", "10*15=150", "150-59=91" ]
Current State: 91:[10, 41, 59, 26], Operations: [] Exploring Operation: 41-26=15, Resulting Numbers: [10, 59, 15] Generated Node #2: [10, 59, 15] from Operation: 41-26=15 Current State: 91:[10, 59, 15], Operations: ['41-26=15'] Exploring Operation: 10*15=150, Resulting Numbers: [59, 150] Generated Node #3: [59, 150] from Operation: 10*15=150 Current State: 91:[59, 150], Operations: ['41-26=15', '10*15=150'] Exploring Operation: 150-59=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[10, 41, 59, 26], Operations: [] Exploring Operation: 41+59=100, Resulting Numbers: [10, 26, 100] Generated Node #0,0: 91:[10, 26, 100] Operation: 41+59=100 Exploring Operation: 59-41=18, Resulting Numbers: [10, 26, 18] Generated Node #0,1: 91:[10, 26, 18] Operation: 59-41=18 Moving to Node #0,1 Current State: 91:[10, 26, 18], Operations: ['59-41=18'] Exploring Operation: 26-18=8, Resulting Numbers: [10, 8] Generated Node #0,1,0: 91:[10, 8] Operation: 26-18=8 Exploring Operation: 26-10=16, Resulting Numbers: [18, 16] Generated Node #0,1,1: 91:[18, 16] Operation: 26-10=16 Moving to Node #0,0 Current State: 91:[10, 26, 100], Operations: ['41+59=100'] Exploring Operation: 26-10=16, Resulting Numbers: [100, 16] Generated Node #0,0,0: 91:[100, 16] Operation: 26-10=16 Exploring Operation: 100-10=90, Resulting Numbers: [26, 90] Generated Node #0,0,1: 91:[26, 90] Operation: 100-10=90 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[100, 16], Operations: ['41+59=100', '26-10=16'] Exploring Operation: 100+16=116, Resulting Numbers: [116] 116,91 unequal: No Solution Exploring Operation: 100-16=84, Resulting Numbers: [84] 84,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 91:[26, 90], Operations: ['41+59=100', '100-10=90'] Exploring Operation: 26+90=116, Resulting Numbers: [116] 116,91 unequal: No Solution Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,91 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 91:[10, 8], Operations: ['59-41=18', '26-18=8'] Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,91 unequal: No Solution Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[18, 16], Operations: ['59-41=18', '26-10=16'] Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,91 unequal: No Solution Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,91 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 49, 84, 18, 3 ]
35
[ "84*3=252", "252/18=14", "49-14=35" ]
Current State: 35:[49, 84, 18, 3], Operations: [] Exploring Operation: 84*3=252, Resulting Numbers: [49, 18, 252] Generated Node #2: [49, 18, 252] from Operation: 84*3=252 Current State: 35:[49, 18, 252], Operations: ['84*3=252'] Exploring Operation: 252/18=14, Resulting Numbers: [49, 14] Generated Node #3: [49, 14] from Operation: 252/18=14 Current State: 35:[49, 14], Operations: ['84*3=252', '252/18=14'] Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[49, 84, 18, 3], Operations: [] Exploring Operation: 84/3=28, Resulting Numbers: [49, 18, 28] Generated Node #0,0: 35:[49, 18, 28] Operation: 84/3=28 Exploring Operation: 84-49=35, Resulting Numbers: [18, 3, 35] Generated Node #0,1: 35:[18, 3, 35] Operation: 84-49=35 Moving to Node #0,1 Current State: 35:[18, 3, 35], Operations: ['84-49=35'] Exploring Operation: 18-3=15, Resulting Numbers: [35, 15] Generated Node #0,1,0: 35:[35, 15] Operation: 18-3=15 Exploring Operation: 18/3=6, Resulting Numbers: [35, 6] Generated Node #0,1,1: 35:[35, 6] Operation: 18/3=6 Moving to Node #0,0 Current State: 35:[49, 18, 28], Operations: ['84/3=28'] Exploring Operation: 28-18=10, Resulting Numbers: [49, 10] Generated Node #0,0,0: 35:[49, 10] Operation: 28-18=10 Exploring Operation: 49-18=31, Resulting Numbers: [28, 31] Generated Node #0,0,1: 35:[28, 31] Operation: 49-18=31 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[28, 31], Operations: ['84/3=28', '49-18=31'] Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 28+31=59, Resulting Numbers: [59] 59,35 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:[49, 10], Operations: ['84/3=28', '28-18=10'] Exploring Operation: 49-10=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 49+10=59, Resulting Numbers: [59] 59,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 35:[35, 6], Operations: ['84-49=35', '18/3=6'] Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,35 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[35, 15], Operations: ['84-49=35', '18-3=15'] Exploring Operation: 35-15=20, Resulting Numbers: [20] 20,35 unequal: No Solution Exploring Operation: 35+15=50, Resulting Numbers: [50] 50,35 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 54, 57, 46, 76 ]
93
[ "57*76=4332", "4332-54=4278", "4278/46=93" ]
Current State: 93:[54, 57, 46, 76], Operations: [] Exploring Operation: 57*76=4332, Resulting Numbers: [54, 46, 4332] Generated Node #2: [54, 46, 4332] from Operation: 57*76=4332 Current State: 93:[54, 46, 4332], Operations: ['57*76=4332'] Exploring Operation: 4332-54=4278, Resulting Numbers: [46, 4278] Generated Node #3: [46, 4278] from Operation: 4332-54=4278 Current State: 93:[46, 4278], Operations: ['57*76=4332', '4332-54=4278'] Exploring Operation: 4278/46=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[54, 57, 46, 76], Operations: [] Exploring Operation: 54-46=8, Resulting Numbers: [57, 76, 8] Generated Node #0,0: 93:[57, 76, 8] Operation: 54-46=8 Exploring Operation: 57-54=3, Resulting Numbers: [46, 76, 3] Generated Node #0,1: 93:[46, 76, 3] Operation: 57-54=3 Exploring Operation: 54+57=111, Resulting Numbers: [46, 76, 111] Generated Node #0,2: 93:[46, 76, 111] Operation: 54+57=111 Exploring Operation: 57-46=11, Resulting Numbers: [54, 76, 11] Generated Node #0,3: 93:[54, 76, 11] Operation: 57-46=11 Exploring Operation: 54+46=100, Resulting Numbers: [57, 76, 100] Generated Node #0,4: 93:[57, 76, 100] Operation: 54+46=100 Moving to Node #0,1 Current State: 93:[46, 76, 3], Operations: ['57-54=3'] Exploring Operation: 76-46=30, Resulting Numbers: [3, 30] Generated Node #0,1,0: 93:[3, 30] Operation: 76-46=30 Exploring Operation: 76+3=79, Resulting Numbers: [46, 79] Generated Node #0,1,1: 93:[46, 79] Operation: 76+3=79 Exploring Operation: 46-3=43, Resulting Numbers: [76, 43] Generated Node #0,1,2: 93:[76, 43] Operation: 46-3=43 Exploring Operation: 46+76=122, Resulting Numbers: [3, 122] Generated Node #0,1,3: 93:[3, 122] Operation: 46+76=122 Exploring Operation: 46+3=49, Resulting Numbers: [76, 49] Generated Node #0,1,4: 93:[76, 49] Operation: 46+3=49 Moving to Node #0,3 Current State: 93:[54, 76, 11], Operations: ['57-46=11'] Exploring Operation: 54+76=130, Resulting Numbers: [11, 130] Generated Node #0,3,0: 93:[11, 130] Operation: 54+76=130 Exploring Operation: 76-54=22, Resulting Numbers: [11, 22] Generated Node #0,3,1: 93:[11, 22] Operation: 76-54=22 Exploring Operation: 54-11=43, Resulting Numbers: [76, 43] Generated Node #0,3,2: 93:[76, 43] Operation: 54-11=43 Exploring Operation: 76+11=87, Resulting Numbers: [54, 87] Generated Node #0,3,3: 93:[54, 87] Operation: 76+11=87 Exploring Operation: 54+11=65, Resulting Numbers: [76, 65] Generated Node #0,3,4: 93:[76, 65] Operation: 54+11=65 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 93:[11, 22], Operations: ['57-46=11', '76-54=22'] Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,93 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,93 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 93:[76, 43], Operations: ['57-46=11', '54-11=43'] Exploring Operation: 76*43=3268, Resulting Numbers: [3268] 3268,93 unequal: No Solution Exploring Operation: 76-43=33, Resulting Numbers: [33] 33,93 unequal: No Solution Exploring Operation: 76+43=119, Resulting Numbers: [119] 119,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 93:[54, 87], Operations: ['57-46=11', '76+11=87'] Exploring Operation: 54+87=141, Resulting Numbers: [141] 141,93 unequal: No Solution Exploring Operation: 54*87=4698, Resulting Numbers: [4698] 4698,93 unequal: No Solution Exploring Operation: 87-54=33, Resulting Numbers: [33] 33,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 93:[11, 130], Operations: ['57-46=11', '54+76=130'] Exploring Operation: 11*130=1430, Resulting Numbers: [1430] 1430,93 unequal: No Solution Exploring Operation: 130-11=119, Resulting Numbers: [119] 119,93 unequal: No Solution Exploring Operation: 11+130=141, Resulting Numbers: [141] 141,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 93:[76, 65], Operations: ['57-46=11', '54+11=65'] Exploring Operation: 76+65=141, Resulting Numbers: [141] 141,93 unequal: No Solution Exploring Operation: 76-65=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 76*65=4940, Resulting Numbers: [4940] 4940,93 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: 93:[57, 76, 8], Operations: ['54-46=8'] Exploring Operation: 57-8=49, Resulting Numbers: [76, 49] Generated Node #0,0,0: 93:[76, 49] Operation: 57-8=49 Exploring Operation: 57+76=133, Resulting Numbers: [8, 133] Generated Node #0,0,1: 93:[8, 133] Operation: 57+76=133 Exploring Operation: 57+8=65, Resulting Numbers: [76, 65] Generated Node #0,0,2: 93:[76, 65] Operation: 57+8=65 Exploring Operation: 76-57=19, Resulting Numbers: [8, 19] Generated Node #0,0,3: 93:[8, 19] Operation: 76-57=19 Exploring Operation: 76+8=84, Resulting Numbers: [57, 84] Generated Node #0,0,4: 93:[57, 84] Operation: 76+8=84 Moving to Node #0,2 Current State: 93:[46, 76, 111], Operations: ['54+57=111'] Exploring Operation: 111-46=65, Resulting Numbers: [76, 65] Generated Node #0,2,0: 93:[76, 65] Operation: 111-46=65 Exploring Operation: 111-76=35, Resulting Numbers: [46, 35] Generated Node #0,2,1: 93:[46, 35] Operation: 111-76=35 Exploring Operation: 46+111=157, Resulting Numbers: [76, 157] Generated Node #0,2,2: 93:[76, 157] Operation: 46+111=157 Exploring Operation: 76-46=30, Resulting Numbers: [111, 30] Generated Node #0,2,3: 93:[111, 30] Operation: 76-46=30 Exploring Operation: 46+76=122, Resulting Numbers: [111, 122] Generated Node #0,2,4: 93:[111, 122] Operation: 46+76=122 Moving to Node #0,4 Current State: 93:[57, 76, 100], Operations: ['54+46=100'] Exploring Operation: 100-76=24, Resulting Numbers: [57, 24] Generated Node #0,4,0: 93:[57, 24] Operation: 100-76=24 Exploring Operation: 57+76=133, Resulting Numbers: [100, 133] Generated Node #0,4,1: 93:[100, 133] Operation: 57+76=133 Exploring Operation: 76-57=19, Resulting Numbers: [100, 19] Generated Node #0,4,2: 93:[100, 19] Operation: 76-57=19 Exploring Operation: 100-57=43, Resulting Numbers: [76, 43] Generated Node #0,4,3: 93:[76, 43] Operation: 100-57=43 Exploring Operation: 57+100=157, Resulting Numbers: [76, 157] Generated Node #0,4,4: 93:[76, 157] Operation: 57+100=157 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 93:[100, 19], Operations: ['54+46=100', '76-57=19'] Exploring Operation: 100*19=1900, Resulting Numbers: [1900] 1900,93 unequal: No Solution Exploring Operation: 100-19=81, Resulting Numbers: [81] 81,93 unequal: No Solution Exploring Operation: 100+19=119, Resulting Numbers: [119] 119,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 93:[76, 43], Operations: ['54+46=100', '100-57=43'] Exploring Operation: 76-43=33, Resulting Numbers: [33] 33,93 unequal: No Solution Exploring Operation: 76+43=119, Resulting Numbers: [119] 119,93 unequal: No Solution Exploring Operation: 76*43=3268, Resulting Numbers: [3268] 3268,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 93:[57, 24], Operations: ['54+46=100', '100-76=24'] Exploring Operation: 57+24=81, Resulting Numbers: [81] 81,93 unequal: No Solution Exploring Operation: 57*24=1368, Resulting Numbers: [1368] 1368,93 unequal: No Solution Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 93:[100, 133], Operations: ['54+46=100', '57+76=133'] Exploring Operation: 100*133=13300, Resulting Numbers: [13300] 13300,93 unequal: No Solution Exploring Operation: 100+133=233, Resulting Numbers: [233] 233,93 unequal: No Solution Exploring Operation: 133-100=33, Resulting Numbers: [33] 33,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 93:[76, 157], Operations: ['54+46=100', '57+100=157'] Exploring Operation: 157-76=81, Resulting Numbers: [81] 81,93 unequal: No Solution Exploring Operation: 76*157=11932, Resulting Numbers: [11932] 11932,93 unequal: No Solution Exploring Operation: 76+157=233, Resulting Numbers: [233] 233,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 93:[3, 30], Operations: ['57-54=3', '76-46=30'] Exploring Operation: 3+30=33, Resulting Numbers: [33] 33,93 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,93 unequal: No Solution Exploring Operation: 3*30=90, Resulting Numbers: [90] 90,93 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,93 unequal: No Solution Moving to Node #0,0,3 Current State: 93:[8, 19], Operations: ['54-46=8', '76-57=19'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,93 unequal: No Solution Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,93 unequal: No Solution Moving to Node #0,2,3 Current State: 93:[111, 30], Operations: ['54+57=111', '76-46=30'] Exploring Operation: 111+30=141, Resulting Numbers: [141] 141,93 unequal: No Solution Exploring Operation: 111-30=81, Resulting Numbers: [81] 81,93 unequal: No Solution Exploring Operation: 111*30=3330, Resulting Numbers: [3330] 3330,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[46, 35], Operations: ['54+57=111', '111-76=35'] Exploring Operation: 46*35=1610, Resulting Numbers: [1610] 1610,93 unequal: No Solution Exploring Operation: 46-35=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 46+35=81, Resulting Numbers: [81] 81,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[76, 43], Operations: ['57-54=3', '46-3=43'] Exploring Operation: 76+43=119, Resulting Numbers: [119] 119,93 unequal: No Solution Exploring Operation: 76*43=3268, Resulting Numbers: [3268] 3268,93 unequal: No Solution Exploring Operation: 76-43=33, Resulting Numbers: [33] 33,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[46, 79], Operations: ['57-54=3', '76+3=79'] Exploring Operation: 79-46=33, Resulting Numbers: [33] 33,93 unequal: No Solution Exploring Operation: 46*79=3634, Resulting Numbers: [3634] 3634,93 unequal: No Solution Exploring Operation: 46+79=125, Resulting Numbers: [125] 125,93 unequal: No Solution Moving to Node #0,1,3 Current State: 93:[3, 122], Operations: ['57-54=3', '46+76=122'] Exploring Operation: 122-3=119, Resulting Numbers: [119] 119,93 unequal: No Solution Exploring Operation: 3*122=366, Resulting Numbers: [366] 366,93 unequal: No Solution Exploring Operation: 3+122=125, Resulting Numbers: [125] 125,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[76, 49], Operations: ['54-46=8', '57-8=49'] Exploring Operation: 76*49=3724, Resulting Numbers: [3724] 3724,93 unequal: No Solution Exploring Operation: 76+49=125, Resulting Numbers: [125] 125,93 unequal: No Solution Exploring Operation: 76-49=27, Resulting Numbers: [27] 27,93 unequal: No Solution Moving to Node #0,1,4 Current State: 93:[76, 49], Operations: ['57-54=3', '46+3=49'] Exploring Operation: 76-49=27, Resulting Numbers: [27] 27,93 unequal: No Solution Exploring Operation: 76*49=3724, Resulting Numbers: [3724] 3724,93 unequal: No Solution Exploring Operation: 76+49=125, Resulting Numbers: [125] 125,93 unequal: No Solution Moving to Node #0,0,4 Current State: 93:[57, 84], Operations: ['54-46=8', '76+8=84'] Exploring Operation: 57+84=141, Resulting Numbers: [141] 141,93 unequal: No Solution Exploring Operation: 84-57=27, Resulting Numbers: [27] 27,93 unequal: No Solution Exploring Operation: 57*84=4788, Resulting Numbers: [4788] 4788,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[76, 65], Operations: ['54+57=111', '111-46=65'] Exploring Operation: 76*65=4940, Resulting Numbers: [4940] 4940,93 unequal: No Solution Exploring Operation: 76+65=141, Resulting Numbers: [141] 141,93 unequal: No Solution Exploring Operation: 76-65=11, Resulting Numbers: [11] 11,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[8, 133], Operations: ['54-46=8', '57+76=133'] Exploring Operation: 8*133=1064, Resulting Numbers: [1064] 1064,93 unequal: No Solution Exploring Operation: 133-8=125, Resulting Numbers: [125] 125,93 unequal: No Solution Exploring Operation: 8+133=141, Resulting Numbers: [141] 141,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[76, 65], Operations: ['54-46=8', '57+8=65'] Exploring Operation: 76-65=11, Resulting Numbers: [11] 11,93 unequal: No Solution Exploring Operation: 76*65=4940, Resulting Numbers: [4940] 4940,93 unequal: No Solution Exploring Operation: 76+65=141, Resulting Numbers: [141] 141,93 unequal: No Solution Moving to Node #0,2,4 Current State: 93:[111, 122], Operations: ['54+57=111', '46+76=122'] Exploring Operation: 111+122=233, Resulting Numbers: [233] 233,93 unequal: No Solution Exploring Operation: 111*122=13542, Resulting Numbers: [13542] 13542,93 unequal: No Solution Exploring Operation: 122-111=11, Resulting Numbers: [11] 11,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[76, 157], Operations: ['54+57=111', '46+111=157'] Exploring Operation: 76+157=233, Resulting Numbers: [233] 233,93 unequal: No Solution Exploring Operation: 76*157=11932, Resulting Numbers: [11932] 11932,93 unequal: No Solution Exploring Operation: 157-76=81, Resulting Numbers: [81] 81,93 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 12, 76, 92, 44 ]
94
[ "12+76=88", "88/44=2", "92+2=94" ]
Current State: 94:[12, 76, 92, 44], Operations: [] Exploring Operation: 12+76=88, Resulting Numbers: [92, 44, 88] Generated Node #2: [92, 44, 88] from Operation: 12+76=88 Current State: 94:[92, 44, 88], Operations: ['12+76=88'] Exploring Operation: 88/44=2, Resulting Numbers: [92, 2] Generated Node #3: [92, 2] from Operation: 88/44=2 Current State: 94:[92, 2], Operations: ['12+76=88', '88/44=2'] Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[12, 76, 92, 44], Operations: [] Exploring Operation: 76-12=64, Resulting Numbers: [92, 44, 64] Generated Node #0,0: 94:[92, 44, 64] Operation: 76-12=64 Exploring Operation: 12+76=88, Resulting Numbers: [92, 44, 88] Generated Node #0,1: 94:[92, 44, 88] Operation: 12+76=88 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[92, 44, 88], Operations: ['12+76=88'] Exploring Operation: 88/44=2, Resulting Numbers: [92, 2] Generated Node #0,1,0: 94:[92, 2] Operation: 88/44=2 Exploring Operation: 92-88=4, Resulting Numbers: [44, 4] Generated Node #0,1,1: 94:[44, 4] Operation: 92-88=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[92, 2], Operations: ['12+76=88', '88/44=2'] Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[12, 76, 92, 44], Operations: [] Exploring Operation: 12+76=88, Resulting Numbers: [92, 44, 88] Generated Node #0,1: 94:[92, 44, 88] Operation: 12+76=88 Moving to Node #0,1 Current State: 94:[92, 44, 88], Operations: ['12+76=88'] Exploring Operation: 88/44=2, Resulting Numbers: [92, 2] Generated Node #0,1,0: 94:[92, 2] Operation: 88/44=2 Moving to Node #0,1,0 Current State: 94:[92, 2], Operations: ['12+76=88', '88/44=2'] Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 65, 90, 8, 16 ]
49
[ "90-65=25", "8+16=24", "25+24=49" ]
Current State: 49:[65, 90, 8, 16], Operations: [] Exploring Operation: 90-65=25, Resulting Numbers: [8, 16, 25] Generated Node #2: [8, 16, 25] from Operation: 90-65=25 Current State: 49:[8, 16, 25], Operations: ['90-65=25'] Exploring Operation: 8+16=24, Resulting Numbers: [25, 24] Generated Node #3: [25, 24] from Operation: 8+16=24 Current State: 49:[25, 24], Operations: ['90-65=25', '8+16=24'] Exploring Operation: 25+24=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[65, 90, 8, 16], Operations: [] Exploring Operation: 65-16=49, Resulting Numbers: [90, 8, 49] Generated Node #0,0: 49:[90, 8, 49] Operation: 65-16=49 Exploring Operation: 90-65=25, Resulting Numbers: [8, 16, 25] Generated Node #0,1: 49:[8, 16, 25] Operation: 90-65=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[8, 16, 25], Operations: ['90-65=25'] Exploring Operation: 16+25=41, Resulting Numbers: [8, 41] Generated Node #0,1,0: 49:[8, 41] Operation: 16+25=41 Exploring Operation: 25-16=9, Resulting Numbers: [8, 9] Generated Node #0,1,1: 49:[8, 9] Operation: 25-16=9 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[8, 9], Operations: ['90-65=25', '25-16=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,49 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 49:[8, 41], Operations: ['90-65=25', '16+25=41'] Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[65, 90, 8, 16], Operations: [] Exploring Operation: 90-65=25, Resulting Numbers: [8, 16, 25] Generated Node #0,1: 49:[8, 16, 25] Operation: 90-65=25 Moving to Node #0,1 Current State: 49:[8, 16, 25], Operations: ['90-65=25'] Exploring Operation: 16+25=41, Resulting Numbers: [8, 41] Generated Node #0,1,0: 49:[8, 41] Operation: 16+25=41 Moving to Node #0,1,0 Current State: 49:[8, 41], Operations: ['90-65=25', '16+25=41'] Exploring Operation: 8+41=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 72, 42, 80, 9 ]
52
[ "72/9=8", "80/8=10", "42+10=52" ]
Current State: 52:[72, 42, 80, 9], Operations: [] Exploring Operation: 72/9=8, Resulting Numbers: [42, 80, 8] Generated Node #2: [42, 80, 8] from Operation: 72/9=8 Current State: 52:[42, 80, 8], Operations: ['72/9=8'] Exploring Operation: 80/8=10, Resulting Numbers: [42, 10] Generated Node #3: [42, 10] from Operation: 80/8=10 Current State: 52:[42, 10], Operations: ['72/9=8', '80/8=10'] Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[72, 42, 80, 9], Operations: [] Exploring Operation: 72/9=8, Resulting Numbers: [42, 80, 8] Generated Node #0,0: 52:[42, 80, 8] Operation: 72/9=8 Exploring Operation: 72-42=30, Resulting Numbers: [80, 9, 30] Generated Node #0,1: 52:[80, 9, 30] Operation: 72-42=30 Exploring Operation: 80-72=8, Resulting Numbers: [42, 9, 8] Generated Node #0,2: 52:[42, 9, 8] Operation: 80-72=8 Exploring Operation: 72-9=63, Resulting Numbers: [42, 80, 63] Generated Node #0,3: 52:[42, 80, 63] Operation: 72-9=63 Exploring Operation: 80-42=38, Resulting Numbers: [72, 9, 38] Generated Node #0,4: 52:[72, 9, 38] Operation: 80-42=38 Moving to Node #0,2 Current State: 52:[42, 9, 8], Operations: ['80-72=8'] Exploring Operation: 42+9=51, Resulting Numbers: [8, 51] Generated Node #0,2,0: 52:[8, 51] Operation: 42+9=51 Exploring Operation: 42-8=34, Resulting Numbers: [9, 34] Generated Node #0,2,1: 52:[9, 34] Operation: 42-8=34 Exploring Operation: 9-8=1, Resulting Numbers: [42, 1] Generated Node #0,2,2: 52:[42, 1] Operation: 9-8=1 Exploring Operation: 42+8=50, Resulting Numbers: [9, 50] Generated Node #0,2,3: 52:[9, 50] Operation: 42+8=50 Exploring Operation: 42-9=33, Resulting Numbers: [8, 33] Generated Node #0,2,4: 52:[8, 33] Operation: 42-9=33 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[8, 51], Operations: ['80-72=8', '42+9=51'] Exploring Operation: 51-8=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 8*51=408, Resulting Numbers: [408] 408,52 unequal: No Solution Exploring Operation: 8+51=59, Resulting Numbers: [59] 59,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 52:[9, 50], Operations: ['80-72=8', '42+8=50'] Exploring Operation: 9+50=59, Resulting Numbers: [59] 59,52 unequal: No Solution Exploring Operation: 9*50=450, Resulting Numbers: [450] 450,52 unequal: No Solution Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[42, 1], Operations: ['80-72=8', '9-8=1'] Exploring Operation: 42*1=42, Resulting Numbers: [42] 42,52 unequal: No Solution Exploring Operation: 42/1=42, Resulting Numbers: [42] 42,52 unequal: No Solution Exploring Operation: 42-1=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 42+1=43, Resulting Numbers: [43] 43,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 52:[8, 33], Operations: ['80-72=8', '42-9=33'] Exploring Operation: 33-8=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 8+33=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 8*33=264, Resulting Numbers: [264] 264,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[9, 34], Operations: ['80-72=8', '42-8=34'] Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,52 unequal: No Solution Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,52 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: 52:[72, 9, 38], Operations: ['80-42=38'] Exploring Operation: 38-9=29, Resulting Numbers: [72, 29] Generated Node #0,4,0: 52:[72, 29] Operation: 38-9=29 Exploring Operation: 72-9=63, Resulting Numbers: [38, 63] Generated Node #0,4,1: 52:[38, 63] Operation: 72-9=63 Exploring Operation: 72-38=34, Resulting Numbers: [9, 34] Generated Node #0,4,2: 52:[9, 34] Operation: 72-38=34 Exploring Operation: 72/9=8, Resulting Numbers: [38, 8] Generated Node #0,4,3: 52:[38, 8] Operation: 72/9=8 Exploring Operation: 9+38=47, Resulting Numbers: [72, 47] Generated Node #0,4,4: 52:[72, 47] Operation: 9+38=47 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 52:[9, 34], Operations: ['80-42=38', '72-38=34'] Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 52:[38, 8], Operations: ['80-42=38', '72/9=8'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 38*8=304, Resulting Numbers: [304] 304,52 unequal: No Solution Exploring Operation: 38+8=46, Resulting Numbers: [46] 46,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 52:[72, 29], Operations: ['80-42=38', '38-9=29'] Exploring Operation: 72*29=2088, Resulting Numbers: [2088] 2088,52 unequal: No Solution Exploring Operation: 72+29=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 72-29=43, Resulting Numbers: [43] 43,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 52:[38, 63], Operations: ['80-42=38', '72-9=63'] Exploring Operation: 38+63=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 38*63=2394, Resulting Numbers: [2394] 2394,52 unequal: No Solution Exploring Operation: 63-38=25, Resulting Numbers: [25] 25,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 52:[72, 47], Operations: ['80-42=38', '9+38=47'] Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 72*47=3384, Resulting Numbers: [3384] 3384,52 unequal: No Solution Exploring Operation: 72+47=119, Resulting Numbers: [119] 119,52 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: 52:[80, 9, 30], Operations: ['72-42=30'] Exploring Operation: 80-30=50, Resulting Numbers: [9, 50] Generated Node #0,1,0: 52:[9, 50] Operation: 80-30=50 Exploring Operation: 9+30=39, Resulting Numbers: [80, 39] Generated Node #0,1,1: 52:[80, 39] Operation: 9+30=39 Exploring Operation: 80-9=71, Resulting Numbers: [30, 71] Generated Node #0,1,2: 52:[30, 71] Operation: 80-9=71 Exploring Operation: 80+9=89, Resulting Numbers: [30, 89] Generated Node #0,1,3: 52:[30, 89] Operation: 80+9=89 Exploring Operation: 30-9=21, Resulting Numbers: [80, 21] Generated Node #0,1,4: 52:[80, 21] Operation: 30-9=21 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[9, 50], Operations: ['72-42=30', '80-30=50'] Exploring Operation: 9*50=450, Resulting Numbers: [450] 450,52 unequal: No Solution Exploring Operation: 50-9=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 9+50=59, Resulting Numbers: [59] 59,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 52:[30, 71], Operations: ['72-42=30', '80-9=71'] Exploring Operation: 30*71=2130, Resulting Numbers: [2130] 2130,52 unequal: No Solution Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 30+71=101, Resulting Numbers: [101] 101,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 52:[80, 21], Operations: ['72-42=30', '30-9=21'] Exploring Operation: 80*21=1680, Resulting Numbers: [1680] 1680,52 unequal: No Solution Exploring Operation: 80+21=101, Resulting Numbers: [101] 101,52 unequal: No Solution Exploring Operation: 80-21=59, Resulting Numbers: [59] 59,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[80, 39], Operations: ['72-42=30', '9+30=39'] Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,52 unequal: No Solution Exploring Operation: 80+39=119, Resulting Numbers: [119] 119,52 unequal: No Solution Exploring Operation: 80*39=3120, Resulting Numbers: [3120] 3120,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 52:[30, 89], Operations: ['72-42=30', '80+9=89'] Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,52 unequal: No Solution Exploring Operation: 30*89=2670, Resulting Numbers: [2670] 2670,52 unequal: No Solution Exploring Operation: 30+89=119, Resulting Numbers: [119] 119,52 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: 52:[42, 80, 8], Operations: ['72/9=8'] Exploring Operation: 80-8=72, Resulting Numbers: [42, 72] Generated Node #0,0,0: 52:[42, 72] Operation: 80-8=72 Exploring Operation: 80-42=38, Resulting Numbers: [8, 38] Generated Node #0,0,1: 52:[8, 38] Operation: 80-42=38 Exploring Operation: 42+8=50, Resulting Numbers: [80, 50] Generated Node #0,0,2: 52:[80, 50] Operation: 42+8=50 Exploring Operation: 42-8=34, Resulting Numbers: [80, 34] Generated Node #0,0,3: 52:[80, 34] Operation: 42-8=34 Exploring Operation: 80/8=10, Resulting Numbers: [42, 10] Generated Node #0,0,4: 52:[42, 10] Operation: 80/8=10 Moving to Node #0,3 Current State: 52:[42, 80, 63], Operations: ['72-9=63'] Exploring Operation: 80-63=17, Resulting Numbers: [42, 17] Generated Node #0,3,0: 52:[42, 17] Operation: 80-63=17 Exploring Operation: 42+63=105, Resulting Numbers: [80, 105] Generated Node #0,3,1: 52:[80, 105] Operation: 42+63=105 Exploring Operation: 80-42=38, Resulting Numbers: [63, 38] Generated Node #0,3,2: 52:[63, 38] Operation: 80-42=38 Exploring Operation: 63-42=21, Resulting Numbers: [80, 21] Generated Node #0,3,3: 52:[80, 21] Operation: 63-42=21 Exploring Operation: 42+80=122, Resulting Numbers: [63, 122] Generated Node #0,3,4: 52:[63, 122] Operation: 42+80=122 Moving to Node #0,0,4 Current State: 52:[42, 10], Operations: ['72/9=8', '80/8=10'] Exploring Operation: 42*10=420, Resulting Numbers: [420] 420,52 unequal: No Solution Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[72, 42, 80, 9], Operations: [] Exploring Operation: 72/9=8, Resulting Numbers: [42, 80, 8] Generated Node #0,0: 52:[42, 80, 8] Operation: 72/9=8 Moving to Node #0,0 Current State: 52:[42, 80, 8], Operations: ['72/9=8'] Exploring Operation: 80/8=10, Resulting Numbers: [42, 10] Generated Node #0,0,4: 52:[42, 10] Operation: 80/8=10 Moving to Node #0,0,4 Current State: 52:[42, 10], Operations: ['72/9=8', '80/8=10'] Exploring Operation: 42+10=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
0.928819
hs_5
sum_heuristic
[ 55, 37, 28, 4 ]
94
[ "55-37=18", "28*4=112", "112-18=94" ]
Current State: 94:[55, 37, 28, 4], Operations: [] Exploring Operation: 55-37=18, Resulting Numbers: [28, 4, 18] Generated Node #2: [28, 4, 18] from Operation: 55-37=18 Current State: 94:[28, 4, 18], Operations: ['55-37=18'] Exploring Operation: 28*4=112, Resulting Numbers: [18, 112] Generated Node #3: [18, 112] from Operation: 28*4=112 Current State: 94:[18, 112], Operations: ['55-37=18', '28*4=112'] Exploring Operation: 112-18=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[55, 37, 28, 4], Operations: [] Exploring Operation: 55+28=83, Resulting Numbers: [37, 4, 83] Generated Node #0,0: 94:[37, 4, 83] Operation: 55+28=83 Exploring Operation: 37-28=9, Resulting Numbers: [55, 4, 9] Generated Node #0,1: 94:[55, 4, 9] Operation: 37-28=9 Exploring Operation: 55+37=92, Resulting Numbers: [28, 4, 92] Generated Node #0,2: 94:[28, 4, 92] Operation: 55+37=92 Exploring Operation: 28/4=7, Resulting Numbers: [55, 37, 7] Generated Node #0,3: 94:[55, 37, 7] Operation: 28/4=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[55, 4, 9], Operations: ['37-28=9'] Exploring Operation: 55+4=59, Resulting Numbers: [9, 59] Generated Node #0,1,0: 94:[9, 59] Operation: 55+4=59 Exploring Operation: 55-4=51, Resulting Numbers: [9, 51] Generated Node #0,1,1: 94:[9, 51] Operation: 55-4=51 Exploring Operation: 9-4=5, Resulting Numbers: [55, 5] Generated Node #0,1,2: 94:[55, 5] Operation: 9-4=5 Exploring Operation: 55-9=46, Resulting Numbers: [4, 46] Generated Node #0,1,3: 94:[4, 46] Operation: 55-9=46 Moving to Node #0,1,3 Current State: 94:[4, 46], Operations: ['37-28=9', '55-9=46'] Exploring Operation: 4*46=184, Resulting Numbers: [184] 184,94 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,94 unequal: No Solution Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,94 unequal: No Solution Moving to Node #0,1,2 Current State: 94:[55, 5], Operations: ['37-28=9', '9-4=5'] Exploring Operation: 55+5=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 55*5=275, Resulting Numbers: [275] 275,94 unequal: No Solution Exploring Operation: 55/5=11, Resulting Numbers: [11] 11,94 unequal: No Solution Exploring Operation: 55-5=50, Resulting Numbers: [50] 50,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[9, 51], Operations: ['37-28=9', '55-4=51'] Exploring Operation: 9*51=459, Resulting Numbers: [459] 459,94 unequal: No Solution Exploring Operation: 9+51=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 51-9=42, Resulting Numbers: [42] 42,94 unequal: No Solution Moving to Node #0,1,0 Current State: 94:[9, 59], Operations: ['37-28=9', '55+4=59'] Exploring Operation: 9+59=68, Resulting Numbers: [68] 68,94 unequal: No Solution Exploring Operation: 9*59=531, Resulting Numbers: [531] 531,94 unequal: No Solution Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[37, 4, 83], Operations: ['55+28=83'] Exploring Operation: 37+4=41, Resulting Numbers: [83, 41] Generated Node #0,0,0: 94:[83, 41] Operation: 37+4=41 Exploring Operation: 83-37=46, Resulting Numbers: [4, 46] Generated Node #0,0,1: 94:[4, 46] Operation: 83-37=46 Exploring Operation: 4+83=87, Resulting Numbers: [37, 87] Generated Node #0,0,2: 94:[37, 87] Operation: 4+83=87 Exploring Operation: 37-4=33, Resulting Numbers: [83, 33] Generated Node #0,0,3: 94:[83, 33] Operation: 37-4=33 Moving to Node #0,0,1 Current State: 94:[4, 46], Operations: ['55+28=83', '83-37=46'] Exploring Operation: 4*46=184, Resulting Numbers: [184] 184,94 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,94 unequal: No Solution Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,94 unequal: No Solution Moving to Node #0,0,2 Current State: 94:[37, 87], Operations: ['55+28=83', '4+83=87'] Exploring Operation: 37*87=3219, Resulting Numbers: [3219] 3219,94 unequal: No Solution Exploring Operation: 87-37=50, Resulting Numbers: [50] 50,94 unequal: No Solution Exploring Operation: 37+87=124, Resulting Numbers: [124] 124,94 unequal: No Solution Moving to Node #0,0,0 Current State: 94:[83, 41], Operations: ['55+28=83', '37+4=41'] Exploring Operation: 83*41=3403, Resulting Numbers: [3403] 3403,94 unequal: No Solution Exploring Operation: 83+41=124, Resulting Numbers: [124] 124,94 unequal: No Solution Exploring Operation: 83-41=42, Resulting Numbers: [42] 42,94 unequal: No Solution Moving to Node #0,0,3 Current State: 94:[83, 33], Operations: ['55+28=83', '37-4=33'] Exploring Operation: 83+33=116, Resulting Numbers: [116] 116,94 unequal: No Solution Exploring Operation: 83*33=2739, Resulting Numbers: [2739] 2739,94 unequal: No Solution Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[28, 4, 92], Operations: ['55+37=92'] Exploring Operation: 92-28=64, Resulting Numbers: [4, 64] Generated Node #0,2,0: 94:[4, 64] Operation: 92-28=64 Exploring Operation: 28/4=7, Resulting Numbers: [92, 7] Generated Node #0,2,1: 94:[92, 7] Operation: 28/4=7 Exploring Operation: 28+4=32, Resulting Numbers: [92, 32] Generated Node #0,2,2: 94:[92, 32] Operation: 28+4=32 Exploring Operation: 28*4=112, Resulting Numbers: [92, 112] Generated Node #0,2,3: 94:[92, 112] Operation: 28*4=112 Moving to Node #0,2,1 Current State: 94:[92, 7], Operations: ['55+37=92', '28/4=7'] Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,94 unequal: No Solution Exploring Operation: 92*7=644, Resulting Numbers: [644] 644,94 unequal: No Solution Exploring Operation: 92+7=99, Resulting Numbers: [99] 99,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[92, 32], Operations: ['55+37=92', '28+4=32'] Exploring Operation: 92+32=124, Resulting Numbers: [124] 124,94 unequal: No Solution Exploring Operation: 92*32=2944, Resulting Numbers: [2944] 2944,94 unequal: No Solution Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[4, 64], Operations: ['55+37=92', '92-28=64'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 64/4=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 4+64=68, Resulting Numbers: [68] 68,94 unequal: No Solution Exploring Operation: 4*64=256, Resulting Numbers: [256] 256,94 unequal: No Solution Moving to Node #0,2,3 Current State: 94:[92, 112], Operations: ['55+37=92', '28*4=112'] Exploring Operation: 112-92=20, Resulting Numbers: [20] 20,94 unequal: No Solution Exploring Operation: 92+112=204, Resulting Numbers: [204] 204,94 unequal: No Solution Exploring Operation: 92*112=10304, Resulting Numbers: [10304] 10304,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[55, 37, 7], Operations: ['28/4=7'] Exploring Operation: 55-37=18, Resulting Numbers: [7, 18] Generated Node #0,3,0: 94:[7, 18] Operation: 55-37=18 Exploring Operation: 55+37=92, Resulting Numbers: [7, 92] Generated Node #0,3,1: 94:[7, 92] Operation: 55+37=92 Exploring Operation: 55-7=48, Resulting Numbers: [37, 48] Generated Node #0,3,2: 94:[37, 48] Operation: 55-7=48 Exploring Operation: 37+7=44, Resulting Numbers: [55, 44] Generated Node #0,3,3: 94:[55, 44] Operation: 37+7=44 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 94:[7, 92], Operations: ['28/4=7', '55+37=92'] Exploring Operation: 7*92=644, Resulting Numbers: [644] 644,94 unequal: No Solution Exploring Operation: 7+92=99, Resulting Numbers: [99] 99,94 unequal: No Solution Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,94 unequal: No Solution No 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: 94:[37, 48], Operations: ['28/4=7', '55-7=48'] Exploring Operation: 37+48=85, Resulting Numbers: [85] 85,94 unequal: No Solution Exploring Operation: 37*48=1776, Resulting Numbers: [1776] 1776,94 unequal: No Solution Exploring Operation: 48-37=11, Resulting Numbers: [11] 11,94 unequal: No Solution No 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: 94:[55, 44], Operations: ['28/4=7', '37+7=44'] Exploring Operation: 55-44=11, Resulting Numbers: [11] 11,94 unequal: No Solution Exploring Operation: 55+44=99, Resulting Numbers: [99] 99,94 unequal: No Solution Exploring Operation: 55*44=2420, Resulting Numbers: [2420] 2420,94 unequal: No Solution No 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: 94:[7, 18], Operations: ['28/4=7', '55-37=18'] Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,94 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,94 unequal: No Solution Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 66, 51, 69, 33 ]
54
[ "69-66=3", "51-33=18", "3*18=54" ]
Current State: 54:[66, 51, 69, 33], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [51, 33, 3] Generated Node #2: [51, 33, 3] from Operation: 69-66=3 Current State: 54:[51, 33, 3], Operations: ['69-66=3'] Exploring Operation: 51-33=18, Resulting Numbers: [3, 18] Generated Node #3: [3, 18] from Operation: 51-33=18 Current State: 54:[3, 18], Operations: ['69-66=3', '51-33=18'] Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[66, 51, 69, 33], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [51, 33, 3] Generated Node #0,0: 54:[51, 33, 3] Operation: 69-66=3 Exploring Operation: 66/33=2, Resulting Numbers: [51, 69, 2] Generated Node #0,1: 54:[51, 69, 2] Operation: 66/33=2 Exploring Operation: 69-51=18, Resulting Numbers: [66, 33, 18] Generated Node #0,2: 54:[66, 33, 18] Operation: 69-51=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[51, 33, 3], Operations: ['69-66=3'] Exploring Operation: 51+3=54, Resulting Numbers: [33, 54] Generated Node #0,0,0: 54:[33, 54] Operation: 51+3=54 Exploring Operation: 33/3=11, Resulting Numbers: [51, 11] Generated Node #0,0,1: 54:[51, 11] Operation: 33/3=11 Exploring Operation: 51-33=18, Resulting Numbers: [3, 18] Generated Node #0,0,2: 54:[3, 18] Operation: 51-33=18 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 54:[3, 18], Operations: ['69-66=3', '51-33=18'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 3+18=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[66, 51, 69, 33], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [51, 33, 3] Generated Node #0,0: 54:[51, 33, 3] Operation: 69-66=3 Moving to Node #0,0 Current State: 54:[51, 33, 3], Operations: ['69-66=3'] Exploring Operation: 51-33=18, Resulting Numbers: [3, 18] Generated Node #0,0,2: 54:[3, 18] Operation: 51-33=18 Moving to Node #0,0,2 Current State: 54:[3, 18], Operations: ['69-66=3', '51-33=18'] Exploring Operation: 3*18=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 98, 20, 2, 92 ]
72
[ "98+20=118", "92/2=46", "118-46=72" ]
Current State: 72:[98, 20, 2, 92], Operations: [] Exploring Operation: 98+20=118, Resulting Numbers: [2, 92, 118] Generated Node #2: [2, 92, 118] from Operation: 98+20=118 Current State: 72:[2, 92, 118], Operations: ['98+20=118'] Exploring Operation: 92/2=46, Resulting Numbers: [118, 46] Generated Node #3: [118, 46] from Operation: 92/2=46 Current State: 72:[118, 46], Operations: ['98+20=118', '92/2=46'] Exploring Operation: 118-46=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[98, 20, 2, 92], Operations: [] Exploring Operation: 98-92=6, Resulting Numbers: [20, 2, 6] Generated Node #0,0: 72:[20, 2, 6] Operation: 98-92=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[20, 2, 6], Operations: ['98-92=6'] Exploring Operation: 20-2=18, Resulting Numbers: [6, 18] Generated Node #0,0,0: 72:[6, 18] Operation: 20-2=18 Moving to Node #0,0,0 Current State: 72:[6, 18], Operations: ['98-92=6', '20-2=18'] Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,72 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
[ 20, 56, 6, 65 ]
26
[ "20*65=1300", "56-6=50", "1300/50=26" ]
Current State: 26:[20, 56, 6, 65], Operations: [] Exploring Operation: 20*65=1300, Resulting Numbers: [56, 6, 1300] Generated Node #2: [56, 6, 1300] from Operation: 20*65=1300 Current State: 26:[56, 6, 1300], Operations: ['20*65=1300'] Exploring Operation: 56-6=50, Resulting Numbers: [1300, 50] Generated Node #3: [1300, 50] from Operation: 56-6=50 Current State: 26:[1300, 50], Operations: ['20*65=1300', '56-6=50'] Exploring Operation: 1300/50=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[20, 56, 6, 65], Operations: [] Exploring Operation: 65-56=9, Resulting Numbers: [20, 6, 9] Generated Node #0,0: 26:[20, 6, 9] Operation: 65-56=9 Exploring Operation: 56-20=36, Resulting Numbers: [6, 65, 36] Generated Node #0,1: 26:[6, 65, 36] Operation: 56-20=36 Exploring Operation: 20+6=26, Resulting Numbers: [56, 65, 26] Generated Node #0,2: 26:[56, 65, 26] Operation: 20+6=26 Exploring Operation: 65-20=45, Resulting Numbers: [56, 6, 45] Generated Node #0,3: 26:[56, 6, 45] Operation: 65-20=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[20, 6, 9], Operations: ['65-56=9'] Exploring Operation: 20-6=14, Resulting Numbers: [9, 14] Generated Node #0,0,0: 26:[9, 14] Operation: 20-6=14 Exploring Operation: 20+6=26, Resulting Numbers: [9, 26] Generated Node #0,0,1: 26:[9, 26] Operation: 20+6=26 Exploring Operation: 20-9=11, Resulting Numbers: [6, 11] Generated Node #0,0,2: 26:[6, 11] Operation: 20-9=11 Exploring Operation: 20+9=29, Resulting Numbers: [6, 29] Generated Node #0,0,3: 26:[6, 29] Operation: 20+9=29 Moving to Node #0,0,1 Current State: 26:[9, 26], Operations: ['65-56=9', '20+6=26'] Exploring Operation: 9+26=35, Resulting Numbers: [35] 35,26 unequal: No Solution Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 9*26=234, Resulting Numbers: [234] 234,26 unequal: No Solution Moving to Node #0,0,0 Current State: 26:[9, 14], Operations: ['65-56=9', '20-6=14'] Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,26 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,26 unequal: No Solution Moving to Node #0,0,2 Current State: 26:[6, 11], Operations: ['65-56=9', '20-9=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,26 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,26 unequal: No Solution Moving to Node #0,0,3 Current State: 26:[6, 29], Operations: ['65-56=9', '20+9=29'] Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,26 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,26 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[6, 65, 36], Operations: ['56-20=36'] Exploring Operation: 36/6=6, Resulting Numbers: [65, 6] Generated Node #0,1,0: 26:[65, 6] Operation: 36/6=6 Exploring Operation: 65-6=59, Resulting Numbers: [36, 59] Generated Node #0,1,1: 26:[36, 59] Operation: 65-6=59 Exploring Operation: 65-36=29, Resulting Numbers: [6, 29] Generated Node #0,1,2: 26:[6, 29] Operation: 65-36=29 Exploring Operation: 36-6=30, Resulting Numbers: [65, 30] Generated Node #0,1,3: 26:[65, 30] Operation: 36-6=30 Moving to Node #0,1,2 Current State: 26:[6, 29], Operations: ['56-20=36', '65-36=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,26 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,26 unequal: No Solution Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[36, 59], Operations: ['56-20=36', '65-6=59'] Exploring Operation: 36+59=95, Resulting Numbers: [95] 95,26 unequal: No Solution Exploring Operation: 36*59=2124, Resulting Numbers: [2124] 2124,26 unequal: No Solution Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,26 unequal: No Solution Moving to Node #0,1,0 Current State: 26:[65, 6], Operations: ['56-20=36', '36/6=6'] Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,26 unequal: No Solution Exploring Operation: 65*6=390, Resulting Numbers: [390] 390,26 unequal: No Solution Exploring Operation: 65+6=71, Resulting Numbers: [71] 71,26 unequal: No Solution Moving to Node #0,1,3 Current State: 26:[65, 30], Operations: ['56-20=36', '36-6=30'] Exploring Operation: 65-30=35, Resulting Numbers: [35] 35,26 unequal: No Solution Exploring Operation: 65+30=95, Resulting Numbers: [95] 95,26 unequal: No Solution Exploring Operation: 65*30=1950, Resulting Numbers: [1950] 1950,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 26:[56, 6, 45], Operations: ['65-20=45'] Exploring Operation: 45-6=39, Resulting Numbers: [56, 39] Generated Node #0,3,0: 26:[56, 39] Operation: 45-6=39 Exploring Operation: 56-6=50, Resulting Numbers: [45, 50] Generated Node #0,3,1: 26:[45, 50] Operation: 56-6=50 Exploring Operation: 56+6=62, Resulting Numbers: [45, 62] Generated Node #0,3,2: 26:[45, 62] Operation: 56+6=62 Exploring Operation: 56-45=11, Resulting Numbers: [6, 11] Generated Node #0,3,3: 26:[6, 11] Operation: 56-45=11 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 26:[6, 11], Operations: ['65-20=45', '56-45=11'] Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 26:[56, 39], Operations: ['65-20=45', '45-6=39'] Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 56*39=2184, Resulting Numbers: [2184] 2184,26 unequal: No Solution Exploring Operation: 56+39=95, Resulting Numbers: [95] 95,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 26:[45, 50], Operations: ['65-20=45', '56-6=50'] Exploring Operation: 45*50=2250, Resulting Numbers: [2250] 2250,26 unequal: No Solution Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,26 unequal: No Solution Exploring Operation: 45+50=95, Resulting Numbers: [95] 95,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 26:[45, 62], Operations: ['65-20=45', '56+6=62'] Exploring Operation: 45*62=2790, Resulting Numbers: [2790] 2790,26 unequal: No Solution Exploring Operation: 45+62=107, Resulting Numbers: [107] 107,26 unequal: No Solution Exploring Operation: 62-45=17, Resulting Numbers: [17] 17,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[56, 65, 26], Operations: ['20+6=26'] Exploring Operation: 56+65=121, Resulting Numbers: [26, 121] Generated Node #0,2,0: 26:[26, 121] Operation: 56+65=121 Exploring Operation: 56-26=30, Resulting Numbers: [65, 30] Generated Node #0,2,1: 26:[65, 30] Operation: 56-26=30 Exploring Operation: 65-56=9, Resulting Numbers: [26, 9] Generated Node #0,2,2: 26:[26, 9] Operation: 65-56=9 Exploring Operation: 65-26=39, Resulting Numbers: [56, 39] Generated Node #0,2,3: 26:[56, 39] Operation: 65-26=39 Moving to Node #0,2,2 Current State: 26:[26, 9], Operations: ['20+6=26', '65-56=9'] Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 26*9=234, Resulting Numbers: [234] 234,26 unequal: No Solution Exploring Operation: 26+9=35, Resulting Numbers: [35] 35,26 unequal: No Solution Moving to Node #0,2,3 Current State: 26:[56, 39], Operations: ['20+6=26', '65-26=39'] Exploring Operation: 56-39=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 56+39=95, Resulting Numbers: [95] 95,26 unequal: No Solution Exploring Operation: 56*39=2184, Resulting Numbers: [2184] 2184,26 unequal: No Solution Moving to Node #0,2,1 Current State: 26:[65, 30], Operations: ['20+6=26', '56-26=30'] Exploring Operation: 65*30=1950, Resulting Numbers: [1950] 1950,26 unequal: No Solution Exploring Operation: 65-30=35, Resulting Numbers: [35] 35,26 unequal: No Solution Exploring Operation: 65+30=95, Resulting Numbers: [95] 95,26 unequal: No Solution Moving to Node #0,2,0 Current State: 26:[26, 121], Operations: ['20+6=26', '56+65=121'] Exploring Operation: 26*121=3146, Resulting Numbers: [3146] 3146,26 unequal: No Solution Exploring Operation: 121-26=95, Resulting Numbers: [95] 95,26 unequal: No Solution Exploring Operation: 26+121=147, Resulting Numbers: [147] 147,26 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
[ 91, 6, 53, 97 ]
54
[ "91+6=97", "97/97=1", "53+1=54" ]
Current State: 54:[91, 6, 53, 97], Operations: [] Exploring Operation: 91+6=97, Resulting Numbers: [53, 97, 97] Generated Node #2: [53, 97, 97] from Operation: 91+6=97 Current State: 54:[53, 97, 97], Operations: ['91+6=97'] Exploring Operation: 97/97=1, Resulting Numbers: [53, 1] Generated Node #3: [53, 1] from Operation: 97/97=1 Current State: 54:[53, 1], Operations: ['91+6=97', '97/97=1'] Exploring Operation: 53+1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[91, 6, 53, 97], Operations: [] Exploring Operation: 91-6=85, Resulting Numbers: [53, 97, 85] Generated Node #0,0: 54:[53, 97, 85] Operation: 91-6=85 Exploring Operation: 91-53=38, Resulting Numbers: [6, 97, 38] Generated Node #0,1: 54:[6, 97, 38] Operation: 91-53=38 Exploring Operation: 97-53=44, Resulting Numbers: [91, 6, 44] Generated Node #0,2: 54:[91, 6, 44] Operation: 97-53=44 Exploring Operation: 97-91=6, Resulting Numbers: [6, 53, 6] Generated Node #0,3: 54:[6, 53, 6] Operation: 97-91=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[6, 53, 6], Operations: ['97-91=6'] Exploring Operation: 6+53=59, Resulting Numbers: [6, 59] Generated Node #0,3,0: 54:[6, 59] Operation: 6+53=59 Exploring Operation: 6-6=0, Resulting Numbers: [53, 0] Generated Node #0,3,1: 54:[53, 0] Operation: 6-6=0 Exploring Operation: 6+6=12, Resulting Numbers: [53, 12] Generated Node #0,3,2: 54:[53, 12] Operation: 6+6=12 Exploring Operation: 6/6=1, Resulting Numbers: [53, 1] Generated Node #0,3,3: 54:[53, 1] Operation: 6/6=1 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 54:[53, 1], Operations: ['97-91=6', '6/6=1'] Exploring Operation: 53/1=53, Resulting Numbers: [53] 53,54 unequal: No Solution Exploring Operation: 53*1=53, Resulting Numbers: [53] 53,54 unequal: No Solution Exploring Operation: 53+1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[91, 6, 53, 97], Operations: [] Exploring Operation: 97-91=6, Resulting Numbers: [6, 53, 6] Generated Node #0,3: 54:[6, 53, 6] Operation: 97-91=6 Moving to Node #0,3 Current State: 54:[6, 53, 6], Operations: ['97-91=6'] Exploring Operation: 6/6=1, Resulting Numbers: [53, 1] Generated Node #0,3,3: 54:[53, 1] Operation: 6/6=1 Moving to Node #0,3,3 Current State: 54:[53, 1], Operations: ['97-91=6', '6/6=1'] Exploring Operation: 53+1=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 15, 10, 32, 18 ]
86
[ "18-15=3", "32*3=96", "96-10=86" ]
Current State: 86:[15, 10, 32, 18], Operations: [] Exploring Operation: 18-15=3, Resulting Numbers: [10, 32, 3] Generated Node #2: [10, 32, 3] from Operation: 18-15=3 Current State: 86:[10, 32, 3], Operations: ['18-15=3'] Exploring Operation: 32*3=96, Resulting Numbers: [10, 96] Generated Node #3: [10, 96] from Operation: 32*3=96 Current State: 86:[10, 96], Operations: ['18-15=3', '32*3=96'] Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[15, 10, 32, 18], Operations: [] Exploring Operation: 15+18=33, Resulting Numbers: [10, 32, 33] Generated Node #0,0: 86:[10, 32, 33] Operation: 15+18=33 Exploring Operation: 18-15=3, Resulting Numbers: [10, 32, 3] Generated Node #0,1: 86:[10, 32, 3] Operation: 18-15=3 Exploring Operation: 15-10=5, Resulting Numbers: [32, 18, 5] Generated Node #0,2: 86:[32, 18, 5] Operation: 15-10=5 Exploring Operation: 15+32=47, Resulting Numbers: [10, 18, 47] Generated Node #0,3: 86:[10, 18, 47] Operation: 15+32=47 Exploring Operation: 32+18=50, Resulting Numbers: [15, 10, 50] Generated Node #0,4: 86:[15, 10, 50] Operation: 32+18=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[10, 32, 3], Operations: ['18-15=3'] Exploring Operation: 10+32=42, Resulting Numbers: [3, 42] Generated Node #0,1,0: 86:[3, 42] Operation: 10+32=42 Exploring Operation: 10-3=7, Resulting Numbers: [32, 7] Generated Node #0,1,1: 86:[32, 7] Operation: 10-3=7 Exploring Operation: 32+3=35, Resulting Numbers: [10, 35] Generated Node #0,1,2: 86:[10, 35] Operation: 32+3=35 Exploring Operation: 32*3=96, Resulting Numbers: [10, 96] Generated Node #0,1,3: 86:[10, 96] Operation: 32*3=96 Exploring Operation: 32-10=22, Resulting Numbers: [3, 22] Generated Node #0,1,4: 86:[3, 22] Operation: 32-10=22 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 86:[3, 42], Operations: ['18-15=3', '10+32=42'] Exploring Operation: 3*42=126, Resulting Numbers: [126] 126,86 unequal: No Solution Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,86 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,86 unequal: No Solution No 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: 86:[32, 7], Operations: ['18-15=3', '10-3=7'] Exploring Operation: 32+7=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 32*7=224, Resulting Numbers: [224] 224,86 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,86 unequal: No Solution No 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: 86:[10, 35], Operations: ['18-15=3', '32+3=35'] Exploring Operation: 10+35=45, Resulting Numbers: [45] 45,86 unequal: No Solution Exploring Operation: 10*35=350, Resulting Numbers: [350] 350,86 unequal: No Solution Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,86 unequal: No Solution No 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: 86:[10, 96], Operations: ['18-15=3', '32*3=96'] Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[15, 10, 32, 18], Operations: [] Exploring Operation: 18-15=3, Resulting Numbers: [10, 32, 3] Generated Node #0,1: 86:[10, 32, 3] Operation: 18-15=3 Moving to Node #0,1 Current State: 86:[10, 32, 3], Operations: ['18-15=3'] Exploring Operation: 32*3=96, Resulting Numbers: [10, 96] Generated Node #0,1,3: 86:[10, 96] Operation: 32*3=96 Moving to Node #0,1,3 Current State: 86:[10, 96], Operations: ['18-15=3', '32*3=96'] Exploring Operation: 96-10=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_5
mult_heuristic
[ 13, 7, 61, 26 ]
30
[ "26-13=13", "7*13=91", "91-61=30" ]
Current State: 30:[13, 7, 61, 26], Operations: [] Exploring Operation: 26-13=13, Resulting Numbers: [7, 61, 13] Generated Node #2: [7, 61, 13] from Operation: 26-13=13 Current State: 30:[7, 61, 13], Operations: ['26-13=13'] Exploring Operation: 7*13=91, Resulting Numbers: [61, 91] Generated Node #3: [61, 91] from Operation: 7*13=91 Current State: 30:[61, 91], Operations: ['26-13=13', '7*13=91'] Exploring Operation: 91-61=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[13, 7, 61, 26], Operations: [] Exploring Operation: 26/13=2, Resulting Numbers: [7, 61, 2] Generated Node #0,0: 30:[7, 61, 2] Operation: 26/13=2 Exploring Operation: 61-26=35, Resulting Numbers: [13, 7, 35] Generated Node #0,1: 30:[13, 7, 35] Operation: 61-26=35 Exploring Operation: 61-13=48, Resulting Numbers: [7, 26, 48] Generated Node #0,2: 30:[7, 26, 48] Operation: 61-13=48 Exploring Operation: 26-13=13, Resulting Numbers: [7, 61, 13] Generated Node #0,3: 30:[7, 61, 13] Operation: 26-13=13 Exploring Operation: 61-7=54, Resulting Numbers: [13, 26, 54] Generated Node #0,4: 30:[13, 26, 54] Operation: 61-7=54 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[13, 7, 35], Operations: ['61-26=35'] Exploring Operation: 35/7=5, Resulting Numbers: [13, 5] Generated Node #0,1,0: 30:[13, 5] Operation: 35/7=5 Exploring Operation: 13-7=6, Resulting Numbers: [35, 6] Generated Node #0,1,1: 30:[35, 6] Operation: 13-7=6 Exploring Operation: 35-13=22, Resulting Numbers: [7, 22] Generated Node #0,1,2: 30:[7, 22] Operation: 35-13=22 Exploring Operation: 13+7=20, Resulting Numbers: [35, 20] Generated Node #0,1,3: 30:[35, 20] Operation: 13+7=20 Exploring Operation: 35-7=28, Resulting Numbers: [13, 28] Generated Node #0,1,4: 30:[13, 28] Operation: 35-7=28 Moving to Node #0,1,0 Current State: 30:[13, 5], Operations: ['61-26=35', '35/7=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,30 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,30 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,30 unequal: No Solution Moving to Node #0,1,4 Current State: 30:[13, 28], Operations: ['61-26=35', '35-7=28'] Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 13+28=41, Resulting Numbers: [41] 41,30 unequal: No Solution Exploring Operation: 13*28=364, Resulting Numbers: [364] 364,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[35, 6], Operations: ['61-26=35', '13-7=6'] Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,30 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,30 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,30 unequal: No Solution Moving to Node #0,1,2 Current State: 30:[7, 22], Operations: ['61-26=35', '35-13=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,30 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,30 unequal: No Solution Moving to Node #0,1,3 Current State: 30:[35, 20], Operations: ['61-26=35', '13+7=20'] Exploring Operation: 35*20=700, Resulting Numbers: [700] 700,30 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 35+20=55, Resulting Numbers: [55] 55,30 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 Current State: 30:[7, 26, 48], Operations: ['61-13=48'] Exploring Operation: 48-7=41, Resulting Numbers: [26, 41] Generated Node #0,2,0: 30:[26, 41] Operation: 48-7=41 Exploring Operation: 7+48=55, Resulting Numbers: [26, 55] Generated Node #0,2,1: 30:[26, 55] Operation: 7+48=55 Exploring Operation: 26-7=19, Resulting Numbers: [48, 19] Generated Node #0,2,2: 30:[48, 19] Operation: 26-7=19 Exploring Operation: 48-26=22, Resulting Numbers: [7, 22] Generated Node #0,2,3: 30:[7, 22] Operation: 48-26=22 Exploring Operation: 7+26=33, Resulting Numbers: [48, 33] Generated Node #0,2,4: 30:[48, 33] Operation: 7+26=33 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 30:[7, 22], Operations: ['61-13=48', '48-26=22'] Exploring Operation: 7*22=154, Resulting Numbers: [154] 154,30 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,30 unequal: No Solution No 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: 30:[26, 41], Operations: ['61-13=48', '48-7=41'] Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 26*41=1066, Resulting Numbers: [1066] 1066,30 unequal: No Solution No 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: 30:[48, 33], Operations: ['61-13=48', '7+26=33'] Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 48+33=81, Resulting Numbers: [81] 81,30 unequal: No Solution Exploring Operation: 48*33=1584, Resulting Numbers: [1584] 1584,30 unequal: No Solution No 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: 30:[48, 19], Operations: ['61-13=48', '26-7=19'] Exploring Operation: 48*19=912, Resulting Numbers: [912] 912,30 unequal: No Solution Exploring Operation: 48-19=29, Resulting Numbers: [29] 29,30 unequal: No Solution Exploring Operation: 48+19=67, Resulting Numbers: [67] 67,30 unequal: No Solution No 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: 30:[26, 55], Operations: ['61-13=48', '7+48=55'] Exploring Operation: 26+55=81, Resulting Numbers: [81] 81,30 unequal: No Solution Exploring Operation: 55-26=29, Resulting Numbers: [29] 29,30 unequal: No Solution Exploring Operation: 26*55=1430, Resulting Numbers: [1430] 1430,30 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: 30:[13, 26, 54], Operations: ['61-7=54'] Exploring Operation: 26-13=13, Resulting Numbers: [54, 13] Generated Node #0,4,0: 30:[54, 13] Operation: 26-13=13 Exploring Operation: 26/13=2, Resulting Numbers: [54, 2] Generated Node #0,4,1: 30:[54, 2] Operation: 26/13=2 Exploring Operation: 13+26=39, Resulting Numbers: [54, 39] Generated Node #0,4,2: 30:[54, 39] Operation: 13+26=39 Exploring Operation: 54-13=41, Resulting Numbers: [26, 41] Generated Node #0,4,3: 30:[26, 41] Operation: 54-13=41 Exploring Operation: 54-26=28, Resulting Numbers: [13, 28] Generated Node #0,4,4: 30:[13, 28] Operation: 54-26=28 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 30:[13, 28], Operations: ['61-7=54', '54-26=28'] Exploring Operation: 13+28=41, Resulting Numbers: [41] 41,30 unequal: No Solution Exploring Operation: 13*28=364, Resulting Numbers: [364] 364,30 unequal: No Solution Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,30 unequal: No Solution No 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: 30:[26, 41], Operations: ['61-7=54', '54-13=41'] Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 26*41=1066, Resulting Numbers: [1066] 1066,30 unequal: No Solution Exploring Operation: 26+41=67, Resulting Numbers: [67] 67,30 unequal: No Solution No 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: 30:[54, 2], Operations: ['61-7=54', '26/13=2'] Exploring Operation: 54+2=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,30 unequal: No Solution Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 54*2=108, Resulting Numbers: [108] 108,30 unequal: No Solution No 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: 30:[54, 13], Operations: ['61-7=54', '26-13=13'] Exploring Operation: 54+13=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 54*13=702, Resulting Numbers: [702] 702,30 unequal: No Solution Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,30 unequal: No Solution No 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: 30:[54, 39], Operations: ['61-7=54', '13+26=39'] Exploring Operation: 54-39=15, Resulting Numbers: [15] 15,30 unequal: No Solution Exploring Operation: 54*39=2106, Resulting Numbers: [2106] 2106,30 unequal: No Solution Exploring Operation: 54+39=93, Resulting Numbers: [93] 93,30 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: 30:[7, 61, 2], Operations: ['26/13=2'] Exploring Operation: 61-2=59, Resulting Numbers: [7, 59] Generated Node #0,0,0: 30:[7, 59] Operation: 61-2=59 Exploring Operation: 61-7=54, Resulting Numbers: [2, 54] Generated Node #0,0,1: 30:[2, 54] Operation: 61-7=54 Exploring Operation: 7*2=14, Resulting Numbers: [61, 14] Generated Node #0,0,2: 30:[61, 14] Operation: 7*2=14 Exploring Operation: 7-2=5, Resulting Numbers: [61, 5] Generated Node #0,0,3: 30:[61, 5] Operation: 7-2=5 Exploring Operation: 7+2=9, Resulting Numbers: [61, 9] Generated Node #0,0,4: 30:[61, 9] Operation: 7+2=9 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 30:[2, 54], Operations: ['26/13=2', '61-7=54'] Exploring Operation: 54/2=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,30 unequal: No Solution Exploring Operation: 2+54=56, Resulting Numbers: [56] 56,30 unequal: No Solution Exploring Operation: 2*54=108, Resulting Numbers: [108] 108,30 unequal: No Solution No 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: 30:[7, 59], Operations: ['26/13=2', '61-2=59'] Exploring Operation: 59-7=52, Resulting Numbers: [52] 52,30 unequal: No Solution Exploring Operation: 7+59=66, Resulting Numbers: [66] 66,30 unequal: No Solution Exploring Operation: 7*59=413, Resulting Numbers: [413] 413,30 unequal: No Solution No 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: 30:[61, 5], Operations: ['26/13=2', '7-2=5'] Exploring Operation: 61*5=305, Resulting Numbers: [305] 305,30 unequal: No Solution Exploring Operation: 61+5=66, Resulting Numbers: [66] 66,30 unequal: No Solution Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,30 unequal: No Solution No 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: 30:[61, 14], Operations: ['26/13=2', '7*2=14'] Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,30 unequal: No Solution Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,30 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 30:[61, 9], Operations: ['26/13=2', '7+2=9'] Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,30 unequal: No Solution Exploring Operation: 61*9=549, Resulting Numbers: [549] 549,30 unequal: No Solution Exploring Operation: 61+9=70, Resulting Numbers: [70] 70,30 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: 30:[7, 61, 13], Operations: ['26-13=13'] Exploring Operation: 61-7=54, Resulting Numbers: [13, 54] Generated Node #0,3,0: 30:[13, 54] Operation: 61-7=54 Exploring Operation: 13-7=6, Resulting Numbers: [61, 6] Generated Node #0,3,1: 30:[61, 6] Operation: 13-7=6 Exploring Operation: 61-13=48, Resulting Numbers: [7, 48] Generated Node #0,3,2: 30:[7, 48] Operation: 61-13=48 Exploring Operation: 7+61=68, Resulting Numbers: [13, 68] Generated Node #0,3,3: 30:[13, 68] Operation: 7+61=68 Exploring Operation: 7+13=20, Resulting Numbers: [61, 20] Generated Node #0,3,4: 30:[61, 20] Operation: 7+13=20 Moving to Node #0,3,2 Current State: 30:[7, 48], Operations: ['26-13=13', '61-13=48'] Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,30 unequal: No Solution Exploring Operation: 7*48=336, Resulting Numbers: [336] 336,30 unequal: No Solution Moving to Node #0,3,0 Current State: 30:[13, 54], Operations: ['26-13=13', '61-7=54'] Exploring Operation: 54-13=41, Resulting Numbers: [41] 41,30 unequal: No Solution Exploring Operation: 13+54=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 13*54=702, Resulting Numbers: [702] 702,30 unequal: No Solution Moving to Node #0,3,1 Current State: 30:[61, 6], Operations: ['26-13=13', '13-7=6'] Exploring Operation: 61-6=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 61+6=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 61*6=366, Resulting Numbers: [366] 366,30 unequal: No Solution Moving to Node #0,3,4 Current State: 30:[61, 20], Operations: ['26-13=13', '7+13=20'] Exploring Operation: 61-20=41, Resulting Numbers: [41] 41,30 unequal: No Solution Exploring Operation: 61+20=81, Resulting Numbers: [81] 81,30 unequal: No Solution Exploring Operation: 61*20=1220, Resulting Numbers: [1220] 1220,30 unequal: No Solution Moving to Node #0,3,3 Current State: 30:[13, 68], Operations: ['26-13=13', '7+61=68'] Exploring Operation: 68-13=55, Resulting Numbers: [55] 55,30 unequal: No Solution Exploring Operation: 13*68=884, Resulting Numbers: [884] 884,30 unequal: No Solution Exploring Operation: 13+68=81, Resulting Numbers: [81] 81,30 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
[ 7, 45, 48, 44 ]
56
[ "7+45=52", "48-44=4", "52+4=56" ]
Current State: 56:[7, 45, 48, 44], Operations: [] Exploring Operation: 7+45=52, Resulting Numbers: [48, 44, 52] Generated Node #2: [48, 44, 52] from Operation: 7+45=52 Current State: 56:[48, 44, 52], Operations: ['7+45=52'] Exploring Operation: 48-44=4, Resulting Numbers: [52, 4] Generated Node #3: [52, 4] from Operation: 48-44=4 Current State: 56:[52, 4], Operations: ['7+45=52', '48-44=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[7, 45, 48, 44], Operations: [] Exploring Operation: 48-45=3, Resulting Numbers: [7, 44, 3] Generated Node #0,0: 56:[7, 44, 3] Operation: 48-45=3 Exploring Operation: 45-44=1, Resulting Numbers: [7, 48, 1] Generated Node #0,1: 56:[7, 48, 1] Operation: 45-44=1 Exploring Operation: 48-44=4, Resulting Numbers: [7, 45, 4] Generated Node #0,2: 56:[7, 45, 4] Operation: 48-44=4 Moving to Node #0,1 Current State: 56:[7, 48, 1], Operations: ['45-44=1'] Exploring Operation: 48+1=49, Resulting Numbers: [7, 49] Generated Node #0,1,0: 56:[7, 49] Operation: 48+1=49 Exploring Operation: 7+48=55, Resulting Numbers: [1, 55] Generated Node #0,1,1: 56:[1, 55] Operation: 7+48=55 Exploring Operation: 7+1=8, Resulting Numbers: [48, 8] Generated Node #0,1,2: 56:[48, 8] Operation: 7+1=8 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 56:[1, 55], Operations: ['45-44=1', '7+48=55'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,56 unequal: No Solution Exploring Operation: 1+55=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[7, 45, 48, 44], Operations: [] Exploring Operation: 45-44=1, Resulting Numbers: [7, 48, 1] Generated Node #0,1: 56:[7, 48, 1] Operation: 45-44=1 Moving to Node #0,1 Current State: 56:[7, 48, 1], Operations: ['45-44=1'] Exploring Operation: 7+48=55, Resulting Numbers: [1, 55] Generated Node #0,1,1: 56:[1, 55] Operation: 7+48=55 Moving to Node #0,1,1 Current State: 56:[1, 55], Operations: ['45-44=1', '7+48=55'] Exploring Operation: 1+55=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 92, 30, 81, 2 ]
78
[ "92-2=90", "90/30=3", "81-3=78" ]
Current State: 78:[92, 30, 81, 2], Operations: [] Exploring Operation: 92-2=90, Resulting Numbers: [30, 81, 90] Generated Node #2: [30, 81, 90] from Operation: 92-2=90 Current State: 78:[30, 81, 90], Operations: ['92-2=90'] Exploring Operation: 90/30=3, Resulting Numbers: [81, 3] Generated Node #3: [81, 3] from Operation: 90/30=3 Current State: 78:[81, 3], Operations: ['92-2=90', '90/30=3'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[92, 30, 81, 2], Operations: [] Exploring Operation: 92/2=46, Resulting Numbers: [30, 81, 46] Generated Node #0,0: 78:[30, 81, 46] Operation: 92/2=46 Exploring Operation: 92-30=62, Resulting Numbers: [81, 2, 62] Generated Node #0,1: 78:[81, 2, 62] Operation: 92-30=62 Exploring Operation: 92-81=11, Resulting Numbers: [30, 2, 11] Generated Node #0,2: 78:[30, 2, 11] Operation: 92-81=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 78:[30, 2, 11], Operations: ['92-81=11'] Exploring Operation: 30-2=28, Resulting Numbers: [11, 28] Generated Node #0,2,0: 78:[11, 28] Operation: 30-2=28 Exploring Operation: 30+11=41, Resulting Numbers: [2, 41] Generated Node #0,2,1: 78:[2, 41] Operation: 30+11=41 Exploring Operation: 30/2=15, Resulting Numbers: [11, 15] Generated Node #0,2,2: 78:[11, 15] Operation: 30/2=15 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 78:[2, 41], Operations: ['92-81=11', '30+11=41'] Exploring Operation: 41-2=39, Resulting Numbers: [39] 39,78 unequal: No Solution Exploring Operation: 2+41=43, Resulting Numbers: [43] 43,78 unequal: No Solution Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,78 unequal: No Solution No 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: 78:[11, 28], Operations: ['92-81=11', '30-2=28'] Exploring Operation: 11+28=39, Resulting Numbers: [39] 39,78 unequal: No Solution Exploring Operation: 11*28=308, Resulting Numbers: [308] 308,78 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,78 unequal: No Solution No 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: 78:[11, 15], Operations: ['92-81=11', '30/2=15'] Exploring Operation: 11+15=26, Resulting Numbers: [26] 26,78 unequal: No Solution Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 11*15=165, Resulting Numbers: [165] 165,78 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: 78:[30, 81, 46], Operations: ['92/2=46'] Exploring Operation: 46-30=16, Resulting Numbers: [81, 16] Generated Node #0,0,0: 78:[81, 16] Operation: 46-30=16 Exploring Operation: 81-46=35, Resulting Numbers: [30, 35] Generated Node #0,0,1: 78:[30, 35] Operation: 81-46=35 Exploring Operation: 30+46=76, Resulting Numbers: [81, 76] Generated Node #0,0,2: 78:[81, 76] Operation: 30+46=76 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 78:[81, 76], Operations: ['92/2=46', '30+46=76'] Exploring Operation: 81-76=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 81*76=6156, Resulting Numbers: [6156] 6156,78 unequal: No Solution Exploring Operation: 81+76=157, Resulting Numbers: [157] 157,78 unequal: No Solution No 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: 78:[81, 16], Operations: ['92/2=46', '46-30=16'] Exploring Operation: 81*16=1296, Resulting Numbers: [1296] 1296,78 unequal: No Solution Exploring Operation: 81-16=65, Resulting Numbers: [65] 65,78 unequal: No Solution Exploring Operation: 81+16=97, Resulting Numbers: [97] 97,78 unequal: No Solution No 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: 78:[30, 35], Operations: ['92/2=46', '81-46=35'] Exploring Operation: 30+35=65, Resulting Numbers: [65] 65,78 unequal: No Solution Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 30*35=1050, Resulting Numbers: [1050] 1050,78 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: 78:[81, 2, 62], Operations: ['92-30=62'] Exploring Operation: 81-62=19, Resulting Numbers: [2, 19] Generated Node #0,1,0: 78:[2, 19] Operation: 81-62=19 Exploring Operation: 81-2=79, Resulting Numbers: [62, 79] Generated Node #0,1,1: 78:[62, 79] Operation: 81-2=79 Exploring Operation: 62/2=31, Resulting Numbers: [81, 31] Generated Node #0,1,2: 78:[81, 31] Operation: 62/2=31 Moving to Node #0,1,0 Current State: 78:[2, 19], Operations: ['92-30=62', '81-62=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,78 unequal: No Solution Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,78 unequal: No Solution Moving to Node #0,1,2 Current State: 78:[81, 31], Operations: ['92-30=62', '62/2=31'] Exploring Operation: 81*31=2511, Resulting Numbers: [2511] 2511,78 unequal: No Solution Exploring Operation: 81+31=112, Resulting Numbers: [112] 112,78 unequal: No Solution Exploring Operation: 81-31=50, Resulting Numbers: [50] 50,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[62, 79], Operations: ['92-30=62', '81-2=79'] Exploring Operation: 79-62=17, Resulting Numbers: [17] 17,78 unequal: No Solution Exploring Operation: 62*79=4898, Resulting Numbers: [4898] 4898,78 unequal: No Solution Exploring Operation: 62+79=141, Resulting Numbers: [141] 141,78 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
[ 63, 65, 43, 12 ]
67
[ "65-63=2", "12*2=24", "43+24=67" ]
Current State: 67:[63, 65, 43, 12], Operations: [] Exploring Operation: 65-63=2, Resulting Numbers: [43, 12, 2] Generated Node #2: [43, 12, 2] from Operation: 65-63=2 Current State: 67:[43, 12, 2], Operations: ['65-63=2'] Exploring Operation: 12*2=24, Resulting Numbers: [43, 24] Generated Node #3: [43, 24] from Operation: 12*2=24 Current State: 67:[43, 24], Operations: ['65-63=2', '12*2=24'] Exploring Operation: 43+24=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[63, 65, 43, 12], Operations: [] Exploring Operation: 63-12=51, Resulting Numbers: [65, 43, 51] Generated Node #0,0: 67:[65, 43, 51] Operation: 63-12=51 Exploring Operation: 43+12=55, Resulting Numbers: [63, 65, 55] Generated Node #0,1: 67:[63, 65, 55] Operation: 43+12=55 Exploring Operation: 63+12=75, Resulting Numbers: [65, 43, 75] Generated Node #0,2: 67:[65, 43, 75] Operation: 63+12=75 Exploring Operation: 65+12=77, Resulting Numbers: [63, 43, 77] Generated Node #0,3: 67:[63, 43, 77] Operation: 65+12=77 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[63, 65, 55], Operations: ['43+12=55'] Exploring Operation: 63-55=8, Resulting Numbers: [65, 8] Generated Node #0,1,0: 67:[65, 8] Operation: 63-55=8 Exploring Operation: 65-55=10, Resulting Numbers: [63, 10] Generated Node #0,1,1: 67:[63, 10] Operation: 65-55=10 Exploring Operation: 63+55=118, Resulting Numbers: [65, 118] Generated Node #0,1,2: 67:[65, 118] Operation: 63+55=118 Exploring Operation: 65+55=120, Resulting Numbers: [63, 120] Generated Node #0,1,3: 67:[63, 120] Operation: 65+55=120 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[65, 118], Operations: ['43+12=55', '63+55=118'] Exploring Operation: 65*118=7670, Resulting Numbers: [7670] 7670,67 unequal: No Solution Exploring Operation: 118-65=53, Resulting Numbers: [53] 53,67 unequal: No Solution Exploring Operation: 65+118=183, Resulting Numbers: [183] 183,67 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 #0,1,3 Current State: 67:[63, 120], Operations: ['43+12=55', '65+55=120'] Exploring Operation: 63+120=183, Resulting Numbers: [183] 183,67 unequal: No Solution Exploring Operation: 120-63=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 63*120=7560, Resulting Numbers: [7560] 7560,67 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 #0,1,0 Current State: 67:[65, 8], Operations: ['43+12=55', '63-55=8'] Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 65+8=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 65*8=520, Resulting Numbers: [520] 520,67 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:[63, 10], Operations: ['43+12=55', '65-55=10'] Exploring Operation: 63-10=53, Resulting Numbers: [53] 53,67 unequal: No Solution Exploring Operation: 63*10=630, Resulting Numbers: [630] 630,67 unequal: No Solution Exploring Operation: 63+10=73, Resulting Numbers: [73] 73,67 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 #0,2 Current State: 67:[65, 43, 75], Operations: ['63+12=75'] Exploring Operation: 43+75=118, Resulting Numbers: [65, 118] Generated Node #0,2,0: 67:[65, 118] Operation: 43+75=118 Exploring Operation: 65+43=108, Resulting Numbers: [75, 108] Generated Node #0,2,1: 67:[75, 108] Operation: 65+43=108 Exploring Operation: 65-43=22, Resulting Numbers: [75, 22] Generated Node #0,2,2: 67:[75, 22] Operation: 65-43=22 Exploring Operation: 75-43=32, Resulting Numbers: [65, 32] Generated Node #0,2,3: 67:[65, 32] Operation: 75-43=32 Moving to Node #0,2,3 Current State: 67:[65, 32], Operations: ['63+12=75', '75-43=32'] Exploring Operation: 65+32=97, Resulting Numbers: [97] 97,67 unequal: No Solution Exploring Operation: 65*32=2080, Resulting Numbers: [2080] 2080,67 unequal: No Solution Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[75, 108], Operations: ['63+12=75', '65+43=108'] Exploring Operation: 108-75=33, Resulting Numbers: [33] 33,67 unequal: No Solution Exploring Operation: 75+108=183, Resulting Numbers: [183] 183,67 unequal: No Solution Exploring Operation: 75*108=8100, Resulting Numbers: [8100] 8100,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[75, 22], Operations: ['63+12=75', '65-43=22'] Exploring Operation: 75*22=1650, Resulting Numbers: [1650] 1650,67 unequal: No Solution Exploring Operation: 75-22=53, Resulting Numbers: [53] 53,67 unequal: No Solution Exploring Operation: 75+22=97, Resulting Numbers: [97] 97,67 unequal: No Solution Moving to Node #0,2,0 Current State: 67:[65, 118], Operations: ['63+12=75', '43+75=118'] Exploring Operation: 65+118=183, Resulting Numbers: [183] 183,67 unequal: No Solution Exploring Operation: 118-65=53, Resulting Numbers: [53] 53,67 unequal: No Solution Exploring Operation: 65*118=7670, Resulting Numbers: [7670] 7670,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 67:[63, 43, 77], Operations: ['65+12=77'] Exploring Operation: 43+77=120, Resulting Numbers: [63, 120] Generated Node #0,3,0: 67:[63, 120] Operation: 43+77=120 Exploring Operation: 63-43=20, Resulting Numbers: [77, 20] Generated Node #0,3,1: 67:[77, 20] Operation: 63-43=20 Exploring Operation: 77-43=34, Resulting Numbers: [63, 34] Generated Node #0,3,2: 67:[63, 34] Operation: 77-43=34 Exploring Operation: 63+43=106, Resulting Numbers: [77, 106] Generated Node #0,3,3: 67:[77, 106] Operation: 63+43=106 Moving to Node #0,3,2 Current State: 67:[63, 34], Operations: ['65+12=77', '77-43=34'] Exploring Operation: 63*34=2142, Resulting Numbers: [2142] 2142,67 unequal: No Solution Exploring Operation: 63+34=97, Resulting Numbers: [97] 97,67 unequal: No Solution Exploring Operation: 63-34=29, Resulting Numbers: [29] 29,67 unequal: No Solution Moving to Node #0,3,3 Current State: 67:[77, 106], Operations: ['65+12=77', '63+43=106'] Exploring Operation: 77*106=8162, Resulting Numbers: [8162] 8162,67 unequal: No Solution Exploring Operation: 77+106=183, Resulting Numbers: [183] 183,67 unequal: No Solution Exploring Operation: 106-77=29, Resulting Numbers: [29] 29,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[77, 20], Operations: ['65+12=77', '63-43=20'] Exploring Operation: 77+20=97, Resulting Numbers: [97] 97,67 unequal: No Solution Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 77*20=1540, Resulting Numbers: [1540] 1540,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[63, 120], Operations: ['65+12=77', '43+77=120'] Exploring Operation: 63+120=183, Resulting Numbers: [183] 183,67 unequal: No Solution Exploring Operation: 120-63=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 63*120=7560, Resulting Numbers: [7560] 7560,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[65, 43, 51], Operations: ['63-12=51'] Exploring Operation: 65-43=22, Resulting Numbers: [51, 22] Generated Node #0,0,0: 67:[51, 22] Operation: 65-43=22 Exploring Operation: 51-43=8, Resulting Numbers: [65, 8] Generated Node #0,0,1: 67:[65, 8] Operation: 51-43=8 Exploring Operation: 65+43=108, Resulting Numbers: [51, 108] Generated Node #0,0,2: 67:[51, 108] Operation: 65+43=108 Exploring Operation: 43+51=94, Resulting Numbers: [65, 94] Generated Node #0,0,3: 67:[65, 94] Operation: 43+51=94 Moving to Node #0,0,3 Current State: 67:[65, 94], Operations: ['63-12=51', '43+51=94'] Exploring Operation: 65+94=159, Resulting Numbers: [159] 159,67 unequal: No Solution Exploring Operation: 65*94=6110, Resulting Numbers: [6110] 6110,67 unequal: No Solution Exploring Operation: 94-65=29, Resulting Numbers: [29] 29,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[51, 108], Operations: ['63-12=51', '65+43=108'] Exploring Operation: 108-51=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 51+108=159, Resulting Numbers: [159] 159,67 unequal: No Solution Exploring Operation: 51*108=5508, Resulting Numbers: [5508] 5508,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[65, 8], Operations: ['63-12=51', '51-43=8'] Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,67 unequal: No Solution Exploring Operation: 65*8=520, Resulting Numbers: [520] 520,67 unequal: No Solution Exploring Operation: 65+8=73, Resulting Numbers: [73] 73,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[51, 22], Operations: ['63-12=51', '65-43=22'] Exploring Operation: 51*22=1122, Resulting Numbers: [1122] 1122,67 unequal: No Solution Exploring Operation: 51+22=73, Resulting Numbers: [73] 73,67 unequal: No Solution Exploring Operation: 51-22=29, Resulting Numbers: [29] 29,67 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
[ 64, 10, 4, 91 ]
98
[ "91-64=27", "4*27=108", "108-10=98" ]
Current State: 98:[64, 10, 4, 91], Operations: [] Exploring Operation: 91-64=27, Resulting Numbers: [10, 4, 27] Generated Node #2: [10, 4, 27] from Operation: 91-64=27 Current State: 98:[10, 4, 27], Operations: ['91-64=27'] Exploring Operation: 4*27=108, Resulting Numbers: [10, 108] Generated Node #3: [10, 108] from Operation: 4*27=108 Current State: 98:[10, 108], Operations: ['91-64=27', '4*27=108'] Exploring Operation: 108-10=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[64, 10, 4, 91], Operations: [] Exploring Operation: 64/4=16, Resulting Numbers: [10, 91, 16] Generated Node #0,0: 98:[10, 91, 16] Operation: 64/4=16 Exploring Operation: 64-10=54, Resulting Numbers: [4, 91, 54] Generated Node #0,1: 98:[4, 91, 54] Operation: 64-10=54 Moving to Node #0,0 Current State: 98:[10, 91, 16], Operations: ['64/4=16'] Exploring Operation: 16-10=6, Resulting Numbers: [91, 6] Generated Node #0,0,0: 98:[91, 6] Operation: 16-10=6 Exploring Operation: 10+91=101, Resulting Numbers: [16, 101] Generated Node #0,0,1: 98:[16, 101] Operation: 10+91=101 Moving to Node #0,1 Current State: 98:[4, 91, 54], Operations: ['64-10=54'] Exploring Operation: 4+91=95, Resulting Numbers: [54, 95] Generated Node #0,1,0: 98:[54, 95] Operation: 4+91=95 Exploring Operation: 54-4=50, Resulting Numbers: [91, 50] Generated Node #0,1,1: 98:[91, 50] Operation: 54-4=50 Moving to Node #0,0,1 Current State: 98:[16, 101], Operations: ['64/4=16', '10+91=101'] Exploring Operation: 101-16=85, Resulting Numbers: [85] 85,98 unequal: No Solution Exploring Operation: 16+101=117, Resulting Numbers: [117] 117,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[54, 95], Operations: ['64-10=54', '4+91=95'] Exploring Operation: 54+95=149, Resulting Numbers: [149] 149,98 unequal: No Solution Exploring Operation: 95-54=41, Resulting Numbers: [41] 41,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[91, 6], Operations: ['64/4=16', '16-10=6'] Exploring Operation: 91+6=97, Resulting Numbers: [97] 97,98 unequal: No Solution Exploring Operation: 91-6=85, Resulting Numbers: [85] 85,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[91, 50], Operations: ['64-10=54', '54-4=50'] Exploring Operation: 91+50=141, Resulting Numbers: [141] 141,98 unequal: No Solution Exploring Operation: 91-50=41, Resulting Numbers: [41] 41,98 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 23, 74, 11, 15 ]
55
[ "74-23=51", "15-11=4", "51+4=55" ]
Current State: 55:[23, 74, 11, 15], Operations: [] Exploring Operation: 74-23=51, Resulting Numbers: [11, 15, 51] Generated Node #2: [11, 15, 51] from Operation: 74-23=51 Current State: 55:[11, 15, 51], Operations: ['74-23=51'] Exploring Operation: 15-11=4, Resulting Numbers: [51, 4] Generated Node #3: [51, 4] from Operation: 15-11=4 Current State: 55:[51, 4], Operations: ['74-23=51', '15-11=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[23, 74, 11, 15], Operations: [] Exploring Operation: 23-15=8, Resulting Numbers: [74, 11, 8] Generated Node #0,0: 55:[74, 11, 8] Operation: 23-15=8 Exploring Operation: 74-23=51, Resulting Numbers: [11, 15, 51] Generated Node #0,1: 55:[11, 15, 51] Operation: 74-23=51 Exploring Operation: 74-15=59, Resulting Numbers: [23, 11, 59] Generated Node #0,2: 55:[23, 11, 59] Operation: 74-15=59 Exploring Operation: 23-11=12, Resulting Numbers: [74, 15, 12] Generated Node #0,3: 55:[74, 15, 12] Operation: 23-11=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 55:[11, 15, 51], Operations: ['74-23=51'] Exploring Operation: 15+51=66, Resulting Numbers: [11, 66] Generated Node #0,1,0: 55:[11, 66] Operation: 15+51=66 Exploring Operation: 11+51=62, Resulting Numbers: [15, 62] Generated Node #0,1,1: 55:[15, 62] Operation: 11+51=62 Exploring Operation: 15-11=4, Resulting Numbers: [51, 4] Generated Node #0,1,2: 55:[51, 4] Operation: 15-11=4 Exploring Operation: 11+15=26, Resulting Numbers: [51, 26] Generated Node #0,1,3: 55:[51, 26] Operation: 11+15=26 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 55:[51, 4], Operations: ['74-23=51', '15-11=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[23, 74, 11, 15], Operations: [] Exploring Operation: 74-23=51, Resulting Numbers: [11, 15, 51] Generated Node #0,1: 55:[11, 15, 51] Operation: 74-23=51 Moving to Node #0,1 Current State: 55:[11, 15, 51], Operations: ['74-23=51'] Exploring Operation: 15-11=4, Resulting Numbers: [51, 4] Generated Node #0,1,2: 55:[51, 4] Operation: 15-11=4 Moving to Node #0,1,2 Current State: 55:[51, 4], Operations: ['74-23=51', '15-11=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 39, 13, 2, 54 ]
40
[ "39-13=26", "54+26=80", "80/2=40" ]
Current State: 40:[39, 13, 2, 54], Operations: [] Exploring Operation: 39-13=26, Resulting Numbers: [2, 54, 26] Generated Node #2: [2, 54, 26] from Operation: 39-13=26 Current State: 40:[2, 54, 26], Operations: ['39-13=26'] Exploring Operation: 54+26=80, Resulting Numbers: [2, 80] Generated Node #3: [2, 80] from Operation: 54+26=80 Current State: 40:[2, 80], Operations: ['39-13=26', '54+26=80'] Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[39, 13, 2, 54], Operations: [] Exploring Operation: 54-13=41, Resulting Numbers: [39, 2, 41] Generated Node #0,0: 40:[39, 2, 41] Operation: 54-13=41 Moving to Node #0,0 Current State: 40:[39, 2, 41], Operations: ['54-13=41'] Exploring Operation: 41-39=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 40:[2, 2] Operation: 41-39=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[2, 2], Operations: ['54-13=41', '41-39=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,40 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
[ 56, 45, 37, 8 ]
18
[ "56-45=11", "37-8=29", "29-11=18" ]
Current State: 18:[56, 45, 37, 8], Operations: [] Exploring Operation: 56-45=11, Resulting Numbers: [37, 8, 11] Generated Node #2: [37, 8, 11] from Operation: 56-45=11 Current State: 18:[37, 8, 11], Operations: ['56-45=11'] Exploring Operation: 37-8=29, Resulting Numbers: [11, 29] Generated Node #3: [11, 29] from Operation: 37-8=29 Current State: 18:[11, 29], Operations: ['56-45=11', '37-8=29'] Exploring Operation: 29-11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[56, 45, 37, 8], Operations: [] Exploring Operation: 56-45=11, Resulting Numbers: [37, 8, 11] Generated Node #0,0: 18:[37, 8, 11] Operation: 56-45=11 Exploring Operation: 45-37=8, Resulting Numbers: [56, 8, 8] Generated Node #0,1: 18:[56, 8, 8] Operation: 45-37=8 Exploring Operation: 56-37=19, Resulting Numbers: [45, 8, 19] Generated Node #0,2: 18:[45, 8, 19] Operation: 56-37=19 Moving to Node #0,0 Current State: 18:[37, 8, 11], Operations: ['56-45=11'] Exploring Operation: 37-8=29, Resulting Numbers: [11, 29] Generated Node #0,0,0: 18:[11, 29] Operation: 37-8=29 Exploring Operation: 11-8=3, Resulting Numbers: [37, 3] Generated Node #0,0,1: 18:[37, 3] Operation: 11-8=3 Exploring Operation: 37-11=26, Resulting Numbers: [8, 26] Generated Node #0,0,2: 18:[8, 26] Operation: 37-11=26 Moving to Node #0,2 Current State: 18:[45, 8, 19], Operations: ['56-37=19'] Exploring Operation: 19-8=11, Resulting Numbers: [45, 11] Generated Node #0,2,0: 18:[45, 11] Operation: 19-8=11 Exploring Operation: 45-8=37, Resulting Numbers: [19, 37] Generated Node #0,2,1: 18:[19, 37] Operation: 45-8=37 Exploring Operation: 45-19=26, Resulting Numbers: [8, 26] Generated Node #0,2,2: 18:[8, 26] Operation: 45-19=26 Moving to Node #0,1 Current State: 18:[56, 8, 8], Operations: ['45-37=8'] Exploring Operation: 56/8=7, Resulting Numbers: [8, 7] Generated Node #0,1,0: 18:[8, 7] Operation: 56/8=7 Exploring Operation: 56/8=7, Resulting Numbers: [8, 7] Generated Node #0,1,1: 18:[8, 7] Operation: 56/8=7 Exploring Operation: 56-8=48, Resulting Numbers: [8, 48] Generated Node #0,1,2: 18:[8, 48] Operation: 56-8=48 Moving to Node #0,1,0 Current State: 18:[8, 7], Operations: ['45-37=8', '56/8=7'] Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,18 unequal: No Solution Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,18 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[8, 7], Operations: ['45-37=8', '56/8=7'] Exploring Operation: 8*7=56, Resulting Numbers: [56] 56,18 unequal: No Solution Exploring Operation: 8+7=15, Resulting Numbers: [15] 15,18 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[8, 26], Operations: ['56-45=11', '37-11=26'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[56, 45, 37, 8], Operations: [] Exploring Operation: 56-45=11, Resulting Numbers: [37, 8, 11] Generated Node #0,0: 18:[37, 8, 11] Operation: 56-45=11 Moving to Node #0,0 Current State: 18:[37, 8, 11], Operations: ['56-45=11'] Exploring Operation: 37-11=26, Resulting Numbers: [8, 26] Generated Node #0,0,2: 18:[8, 26] Operation: 37-11=26 Moving to Node #0,0,2 Current State: 18:[8, 26], Operations: ['56-45=11', '37-11=26'] Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
0.980035
hs_3
sum_heuristic
[ 48, 21, 90, 16 ]
79
[ "48-21=27", "90+16=106", "106-27=79" ]
Current State: 79:[48, 21, 90, 16], Operations: [] Exploring Operation: 48-21=27, Resulting Numbers: [90, 16, 27] Generated Node #2: [90, 16, 27] from Operation: 48-21=27 Current State: 79:[90, 16, 27], Operations: ['48-21=27'] Exploring Operation: 90+16=106, Resulting Numbers: [27, 106] Generated Node #3: [27, 106] from Operation: 90+16=106 Current State: 79:[27, 106], Operations: ['48-21=27', '90+16=106'] Exploring Operation: 106-27=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[48, 21, 90, 16], Operations: [] Exploring Operation: 48+21=69, Resulting Numbers: [90, 16, 69] Generated Node #0,0: 79:[90, 16, 69] Operation: 48+21=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[90, 16, 69], Operations: ['48+21=69'] Exploring Operation: 90-16=74, Resulting Numbers: [69, 74] Generated Node #0,0,0: 79:[69, 74] Operation: 90-16=74 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[69, 74], Operations: ['48+21=69', '90-16=74'] Exploring Operation: 69+74=143, Resulting Numbers: [143] 143,79 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 No solution found.
0
hs_1
sum_heuristic
[ 3, 47, 64, 19 ]
88
[ "64-19=45", "3*45=135", "135-47=88" ]
Current State: 88:[3, 47, 64, 19], Operations: [] Exploring Operation: 64-19=45, Resulting Numbers: [3, 47, 45] Generated Node #2: [3, 47, 45] from Operation: 64-19=45 Current State: 88:[3, 47, 45], Operations: ['64-19=45'] Exploring Operation: 3*45=135, Resulting Numbers: [47, 135] Generated Node #3: [47, 135] from Operation: 3*45=135 Current State: 88:[47, 135], Operations: ['64-19=45', '3*45=135'] Exploring Operation: 135-47=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[3, 47, 64, 19], Operations: [] Exploring Operation: 64-47=17, Resulting Numbers: [3, 19, 17] Generated Node #0,0: 88:[3, 19, 17] Operation: 64-47=17 Exploring Operation: 64-19=45, Resulting Numbers: [3, 47, 45] Generated Node #0,1: 88:[3, 47, 45] Operation: 64-19=45 Exploring Operation: 47-3=44, Resulting Numbers: [64, 19, 44] Generated Node #0,2: 88:[64, 19, 44] Operation: 47-3=44 Exploring Operation: 64+19=83, Resulting Numbers: [3, 47, 83] Generated Node #0,3: 88:[3, 47, 83] Operation: 64+19=83 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[3, 47, 45], Operations: ['64-19=45'] Exploring Operation: 47-45=2, Resulting Numbers: [3, 2] Generated Node #0,1,0: 88:[3, 2] Operation: 47-45=2 Exploring Operation: 47-3=44, Resulting Numbers: [45, 44] Generated Node #0,1,1: 88:[45, 44] Operation: 47-3=44 Exploring Operation: 47+45=92, Resulting Numbers: [3, 92] Generated Node #0,1,2: 88:[3, 92] Operation: 47+45=92 Exploring Operation: 45-3=42, Resulting Numbers: [47, 42] Generated Node #0,1,3: 88:[47, 42] Operation: 45-3=42 Moving to Node #0,1,0 Current State: 88:[3, 2], Operations: ['64-19=45', '47-45=2'] Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[45, 44], Operations: ['64-19=45', '47-3=44'] Exploring Operation: 45-44=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 45+44=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 45*44=1980, Resulting Numbers: [1980] 1980,88 unequal: No Solution Moving to Node #0,1,3 Current State: 88:[47, 42], Operations: ['64-19=45', '45-3=42'] Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 47+42=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 47*42=1974, Resulting Numbers: [1974] 1974,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[3, 92], Operations: ['64-19=45', '47+45=92'] Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 3*92=276, Resulting Numbers: [276] 276,88 unequal: No Solution Exploring Operation: 3+92=95, Resulting Numbers: [95] 95,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[3, 19, 17], Operations: ['64-47=17'] Exploring Operation: 3+17=20, Resulting Numbers: [19, 20] Generated Node #0,0,0: 88:[19, 20] Operation: 3+17=20 Exploring Operation: 19-17=2, Resulting Numbers: [3, 2] Generated Node #0,0,1: 88:[3, 2] Operation: 19-17=2 Exploring Operation: 3+19=22, Resulting Numbers: [17, 22] Generated Node #0,0,2: 88:[17, 22] Operation: 3+19=22 Exploring Operation: 17-3=14, Resulting Numbers: [19, 14] Generated Node #0,0,3: 88:[19, 14] Operation: 17-3=14 Moving to Node #0,0,1 Current State: 88:[3, 2], Operations: ['64-47=17', '19-17=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,88 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[17, 22], Operations: ['64-47=17', '3+19=22'] Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 17*22=374, Resulting Numbers: [374] 374,88 unequal: No Solution Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[19, 20], Operations: ['64-47=17', '3+17=20'] Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,88 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,88 unequal: No Solution Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,88 unequal: No Solution Moving to Node #0,0,3 Current State: 88:[19, 14], Operations: ['64-47=17', '17-3=14'] Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 19*14=266, Resulting Numbers: [266] 266,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[3, 47, 83], Operations: ['64+19=83'] Exploring Operation: 83-47=36, Resulting Numbers: [3, 36] Generated Node #0,3,0: 88:[3, 36] Operation: 83-47=36 Exploring Operation: 3+47=50, Resulting Numbers: [83, 50] Generated Node #0,3,1: 88:[83, 50] Operation: 3+47=50 Exploring Operation: 47-3=44, Resulting Numbers: [83, 44] Generated Node #0,3,2: 88:[83, 44] Operation: 47-3=44 Exploring Operation: 3+83=86, Resulting Numbers: [47, 86] Generated Node #0,3,3: 88:[47, 86] Operation: 3+83=86 Moving to Node #0,3,2 Current State: 88:[83, 44], Operations: ['64+19=83', '47-3=44'] Exploring Operation: 83+44=127, Resulting Numbers: [127] 127,88 unequal: No Solution Exploring Operation: 83*44=3652, Resulting Numbers: [3652] 3652,88 unequal: No Solution Exploring Operation: 83-44=39, Resulting Numbers: [39] 39,88 unequal: No Solution Moving to Node #0,3,3 Current State: 88:[47, 86], Operations: ['64+19=83', '3+83=86'] Exploring Operation: 86-47=39, Resulting Numbers: [39] 39,88 unequal: No Solution Exploring Operation: 47+86=133, Resulting Numbers: [133] 133,88 unequal: No Solution Exploring Operation: 47*86=4042, Resulting Numbers: [4042] 4042,88 unequal: No Solution Moving to Node #0,3,0 Current State: 88:[3, 36], Operations: ['64+19=83', '83-47=36'] Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,88 unequal: No Solution Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,88 unequal: No Solution Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,88 unequal: No Solution Moving to Node #0,3,1 Current State: 88:[83, 50], Operations: ['64+19=83', '3+47=50'] Exploring Operation: 83+50=133, Resulting Numbers: [133] 133,88 unequal: No Solution Exploring Operation: 83-50=33, Resulting Numbers: [33] 33,88 unequal: No Solution Exploring Operation: 83*50=4150, Resulting Numbers: [4150] 4150,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 88:[64, 19, 44], Operations: ['47-3=44'] Exploring Operation: 64-44=20, Resulting Numbers: [19, 20] Generated Node #0,2,0: 88:[19, 20] Operation: 64-44=20 Exploring Operation: 64+19=83, Resulting Numbers: [44, 83] Generated Node #0,2,1: 88:[44, 83] Operation: 64+19=83 Exploring Operation: 64+44=108, Resulting Numbers: [19, 108] Generated Node #0,2,2: 88:[19, 108] Operation: 64+44=108 Exploring Operation: 64-19=45, Resulting Numbers: [44, 45] Generated Node #0,2,3: 88:[44, 45] Operation: 64-19=45 Moving to Node #0,2,3 Current State: 88:[44, 45], Operations: ['47-3=44', '64-19=45'] Exploring Operation: 44+45=89, Resulting Numbers: [89] 89,88 unequal: No Solution Exploring Operation: 44*45=1980, Resulting Numbers: [1980] 1980,88 unequal: No Solution Exploring Operation: 45-44=1, Resulting Numbers: [1] 1,88 unequal: No Solution Moving to Node #0,2,1 Current State: 88:[44, 83], Operations: ['47-3=44', '64+19=83'] Exploring Operation: 44*83=3652, Resulting Numbers: [3652] 3652,88 unequal: No Solution Exploring Operation: 83-44=39, Resulting Numbers: [39] 39,88 unequal: No Solution Exploring Operation: 44+83=127, Resulting Numbers: [127] 127,88 unequal: No Solution Moving to Node #0,2,0 Current State: 88:[19, 20], Operations: ['47-3=44', '64-44=20'] Exploring Operation: 19+20=39, Resulting Numbers: [39] 39,88 unequal: No Solution Exploring Operation: 19*20=380, Resulting Numbers: [380] 380,88 unequal: No Solution Exploring Operation: 20-19=1, Resulting Numbers: [1] 1,88 unequal: No Solution Moving to Node #0,2,2 Current State: 88:[19, 108], Operations: ['47-3=44', '64+44=108'] Exploring Operation: 19*108=2052, Resulting Numbers: [2052] 2052,88 unequal: No Solution Exploring Operation: 19+108=127, Resulting Numbers: [127] 127,88 unequal: No Solution Exploring Operation: 108-19=89, Resulting Numbers: [89] 89,88 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
[ 16, 14, 50, 45 ]
93
[ "16-14=2", "50+45=95", "95-2=93" ]
Current State: 93:[16, 14, 50, 45], Operations: [] Exploring Operation: 16-14=2, Resulting Numbers: [50, 45, 2] Generated Node #2: [50, 45, 2] from Operation: 16-14=2 Current State: 93:[50, 45, 2], Operations: ['16-14=2'] Exploring Operation: 50+45=95, Resulting Numbers: [2, 95] Generated Node #3: [2, 95] from Operation: 50+45=95 Current State: 93:[2, 95], Operations: ['16-14=2', '50+45=95'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[16, 14, 50, 45], Operations: [] Exploring Operation: 50+45=95, Resulting Numbers: [16, 14, 95] Generated Node #0,0: 93:[16, 14, 95] Operation: 50+45=95 Exploring Operation: 50-45=5, Resulting Numbers: [16, 14, 5] Generated Node #0,1: 93:[16, 14, 5] Operation: 50-45=5 Exploring Operation: 50-16=34, Resulting Numbers: [14, 45, 34] Generated Node #0,2: 93:[14, 45, 34] Operation: 50-16=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[16, 14, 95], Operations: ['50+45=95'] Exploring Operation: 16+14=30, Resulting Numbers: [95, 30] Generated Node #0,0,0: 93:[95, 30] Operation: 16+14=30 Exploring Operation: 95-16=79, Resulting Numbers: [14, 79] Generated Node #0,0,1: 93:[14, 79] Operation: 95-16=79 Exploring Operation: 16-14=2, Resulting Numbers: [95, 2] Generated Node #0,0,2: 93:[95, 2] Operation: 16-14=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[95, 30], Operations: ['50+45=95', '16+14=30'] Exploring Operation: 95*30=2850, Resulting Numbers: [2850] 2850,93 unequal: No Solution Exploring Operation: 95+30=125, Resulting Numbers: [125] 125,93 unequal: No Solution Exploring Operation: 95-30=65, Resulting Numbers: [65] 65,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 93:[95, 2], Operations: ['50+45=95', '16-14=2'] Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,93 unequal: No Solution Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[16, 14, 50, 45], Operations: [] Exploring Operation: 50+45=95, Resulting Numbers: [16, 14, 95] Generated Node #0,0: 93:[16, 14, 95] Operation: 50+45=95 Moving to Node #0,0 Current State: 93:[16, 14, 95], Operations: ['50+45=95'] Exploring Operation: 16-14=2, Resulting Numbers: [95, 2] Generated Node #0,0,2: 93:[95, 2] Operation: 16-14=2 Moving to Node #0,0,2 Current State: 93:[95, 2], Operations: ['50+45=95', '16-14=2'] Exploring Operation: 95-2=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_3
mult_heuristic
[ 38, 20, 24, 89 ]
83
[ "38-20=18", "89-24=65", "18+65=83" ]
Current State: 83:[38, 20, 24, 89], Operations: [] Exploring Operation: 38-20=18, Resulting Numbers: [24, 89, 18] Generated Node #2: [24, 89, 18] from Operation: 38-20=18 Current State: 83:[24, 89, 18], Operations: ['38-20=18'] Exploring Operation: 89-24=65, Resulting Numbers: [18, 65] Generated Node #3: [18, 65] from Operation: 89-24=65 Current State: 83:[18, 65], Operations: ['38-20=18', '89-24=65'] Exploring Operation: 18+65=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[38, 20, 24, 89], Operations: [] Exploring Operation: 38+20=58, Resulting Numbers: [24, 89, 58] Generated Node #0,0: 83:[24, 89, 58] Operation: 38+20=58 Exploring Operation: 38+24=62, Resulting Numbers: [20, 89, 62] Generated Node #0,1: 83:[20, 89, 62] Operation: 38+24=62 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[24, 89, 58], Operations: ['38+20=58'] Exploring Operation: 24+58=82, Resulting Numbers: [89, 82] Generated Node #0,0,0: 83:[89, 82] Operation: 24+58=82 Exploring Operation: 89-24=65, Resulting Numbers: [58, 65] Generated Node #0,0,1: 83:[58, 65] Operation: 89-24=65 Moving to Node #0,0,0 Current State: 83:[89, 82], Operations: ['38+20=58', '24+58=82'] Exploring Operation: 89+82=171, Resulting Numbers: [171] 171,83 unequal: No Solution Exploring Operation: 89-82=7, Resulting Numbers: [7] 7,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[58, 65], Operations: ['38+20=58', '89-24=65'] Exploring Operation: 65-58=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 58+65=123, Resulting Numbers: [123] 123,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[20, 89, 62], Operations: ['38+24=62'] Exploring Operation: 89-20=69, Resulting Numbers: [62, 69] Generated Node #0,1,0: 83:[62, 69] Operation: 89-20=69 Exploring Operation: 20+62=82, Resulting Numbers: [89, 82] Generated Node #0,1,1: 83:[89, 82] Operation: 20+62=82 Moving to Node #0,1,1 Current State: 83:[89, 82], Operations: ['38+24=62', '20+62=82'] Exploring Operation: 89+82=171, Resulting Numbers: [171] 171,83 unequal: No Solution Exploring Operation: 89-82=7, Resulting Numbers: [7] 7,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[62, 69], Operations: ['38+24=62', '89-20=69'] Exploring Operation: 69-62=7, Resulting Numbers: [7] 7,83 unequal: No Solution Exploring Operation: 62+69=131, Resulting Numbers: [131] 131,83 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
[ 41, 70, 79, 82 ]
50
[ "41+70=111", "79+82=161", "161-111=50" ]
Current State: 50:[41, 70, 79, 82], Operations: [] Exploring Operation: 41+70=111, Resulting Numbers: [79, 82, 111] Generated Node #2: [79, 82, 111] from Operation: 41+70=111 Current State: 50:[79, 82, 111], Operations: ['41+70=111'] Exploring Operation: 79+82=161, Resulting Numbers: [111, 161] Generated Node #3: [111, 161] from Operation: 79+82=161 Current State: 50:[111, 161], Operations: ['41+70=111', '79+82=161'] Exploring Operation: 161-111=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[41, 70, 79, 82], Operations: [] Exploring Operation: 79-70=9, Resulting Numbers: [41, 82, 9] Generated Node #0,0: 50:[41, 82, 9] Operation: 79-70=9 Exploring Operation: 82/41=2, Resulting Numbers: [70, 79, 2] Generated Node #0,1: 50:[70, 79, 2] Operation: 82/41=2 Exploring Operation: 82-70=12, Resulting Numbers: [41, 79, 12] Generated Node #0,2: 50:[41, 79, 12] Operation: 82-70=12 Exploring Operation: 82-79=3, Resulting Numbers: [41, 70, 3] Generated Node #0,3: 50:[41, 70, 3] Operation: 82-79=3 Start Sub Search at level 1: Moving to Node #0,3 Current State: 50:[41, 70, 3], Operations: ['82-79=3'] Exploring Operation: 41-3=38, Resulting Numbers: [70, 38] Generated Node #0,3,0: 50:[70, 38] Operation: 41-3=38 Exploring Operation: 70-41=29, Resulting Numbers: [3, 29] Generated Node #0,3,1: 50:[3, 29] Operation: 70-41=29 Exploring Operation: 70-3=67, Resulting Numbers: [41, 67] Generated Node #0,3,2: 50:[41, 67] Operation: 70-3=67 Exploring Operation: 41+3=44, Resulting Numbers: [70, 44] Generated Node #0,3,3: 50:[70, 44] Operation: 41+3=44 Moving to Node #0,3,1 Current State: 50:[3, 29], Operations: ['82-79=3', '70-41=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,50 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,50 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,50 unequal: No Solution Moving to Node #0,3,3 Current State: 50:[70, 44], Operations: ['82-79=3', '41+3=44'] Exploring Operation: 70*44=3080, Resulting Numbers: [3080] 3080,50 unequal: No Solution Exploring Operation: 70-44=26, Resulting Numbers: [26] 26,50 unequal: No Solution Exploring Operation: 70+44=114, Resulting Numbers: [114] 114,50 unequal: No Solution Moving to Node #0,3,2 Current State: 50:[41, 67], Operations: ['82-79=3', '70-3=67'] Exploring Operation: 41*67=2747, Resulting Numbers: [2747] 2747,50 unequal: No Solution Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,50 unequal: No Solution Exploring Operation: 41+67=108, Resulting Numbers: [108] 108,50 unequal: No Solution Moving to Node #0,3,0 Current State: 50:[70, 38], Operations: ['82-79=3', '41-3=38'] Exploring Operation: 70*38=2660, Resulting Numbers: [2660] 2660,50 unequal: No Solution Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,50 unequal: No Solution Exploring Operation: 70+38=108, Resulting Numbers: [108] 108,50 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 Current State: 50:[41, 79, 12], Operations: ['82-70=12'] Exploring Operation: 41-12=29, Resulting Numbers: [79, 29] Generated Node #0,2,0: 50:[79, 29] Operation: 41-12=29 Exploring Operation: 41+12=53, Resulting Numbers: [79, 53] Generated Node #0,2,1: 50:[79, 53] Operation: 41+12=53 Exploring Operation: 79-12=67, Resulting Numbers: [41, 67] Generated Node #0,2,2: 50:[41, 67] Operation: 79-12=67 Exploring Operation: 79-41=38, Resulting Numbers: [12, 38] Generated Node #0,2,3: 50:[12, 38] Operation: 79-41=38 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 50:[12, 38], Operations: ['82-70=12', '79-41=38'] Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[41, 70, 79, 82], Operations: [] Exploring Operation: 82-70=12, Resulting Numbers: [41, 79, 12] Generated Node #0,2: 50:[41, 79, 12] Operation: 82-70=12 Moving to Node #0,2 Current State: 50:[41, 79, 12], Operations: ['82-70=12'] Exploring Operation: 79-41=38, Resulting Numbers: [12, 38] Generated Node #0,2,3: 50:[12, 38] Operation: 79-41=38 Moving to Node #0,2,3 Current State: 50:[12, 38], Operations: ['82-70=12', '79-41=38'] Exploring Operation: 12+38=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 17, 95, 88, 67 ]
57
[ "95-17=78", "88-67=21", "78-21=57" ]
Current State: 57:[17, 95, 88, 67], Operations: [] Exploring Operation: 95-17=78, Resulting Numbers: [88, 67, 78] Generated Node #2: [88, 67, 78] from Operation: 95-17=78 Current State: 57:[88, 67, 78], Operations: ['95-17=78'] Exploring Operation: 88-67=21, Resulting Numbers: [78, 21] Generated Node #3: [78, 21] from Operation: 88-67=21 Current State: 57:[78, 21], Operations: ['95-17=78', '88-67=21'] Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[17, 95, 88, 67], Operations: [] Exploring Operation: 95-88=7, Resulting Numbers: [17, 67, 7] Generated Node #0,0: 57:[17, 67, 7] Operation: 95-88=7 Exploring Operation: 95-17=78, Resulting Numbers: [88, 67, 78] Generated Node #0,1: 57:[88, 67, 78] Operation: 95-17=78 Exploring Operation: 88-67=21, Resulting Numbers: [17, 95, 21] Generated Node #0,2: 57:[17, 95, 21] Operation: 88-67=21 Exploring Operation: 95-67=28, Resulting Numbers: [17, 88, 28] Generated Node #0,3: 57:[17, 88, 28] Operation: 95-67=28 Moving to Node #0,0 Current State: 57:[17, 67, 7], Operations: ['95-88=7'] Exploring Operation: 67-17=50, Resulting Numbers: [7, 50] Generated Node #0,0,0: 57:[7, 50] Operation: 67-17=50 Exploring Operation: 17-7=10, Resulting Numbers: [67, 10] Generated Node #0,0,1: 57:[67, 10] Operation: 17-7=10 Exploring Operation: 67-7=60, Resulting Numbers: [17, 60] Generated Node #0,0,2: 57:[17, 60] Operation: 67-7=60 Exploring Operation: 17+7=24, Resulting Numbers: [67, 24] Generated Node #0,0,3: 57:[67, 24] Operation: 17+7=24 Moving to Node #0,3 Current State: 57:[17, 88, 28], Operations: ['95-67=28'] Exploring Operation: 28-17=11, Resulting Numbers: [88, 11] Generated Node #0,3,0: 57:[88, 11] Operation: 28-17=11 Exploring Operation: 17+28=45, Resulting Numbers: [88, 45] Generated Node #0,3,1: 57:[88, 45] Operation: 17+28=45 Exploring Operation: 88-28=60, Resulting Numbers: [17, 60] Generated Node #0,3,2: 57:[17, 60] Operation: 88-28=60 Exploring Operation: 88-17=71, Resulting Numbers: [28, 71] Generated Node #0,3,3: 57:[28, 71] Operation: 88-17=71 Moving to Node #0,2 Current State: 57:[17, 95, 21], Operations: ['88-67=21'] Exploring Operation: 17+95=112, Resulting Numbers: [21, 112] Generated Node #0,2,0: 57:[21, 112] Operation: 17+95=112 Exploring Operation: 95-21=74, Resulting Numbers: [17, 74] Generated Node #0,2,1: 57:[17, 74] Operation: 95-21=74 Exploring Operation: 21-17=4, Resulting Numbers: [95, 4] Generated Node #0,2,2: 57:[95, 4] Operation: 21-17=4 Exploring Operation: 95-17=78, Resulting Numbers: [21, 78] Generated Node #0,2,3: 57:[21, 78] Operation: 95-17=78 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 57:[17, 74], Operations: ['88-67=21', '95-21=74'] Exploring Operation: 17*74=1258, Resulting Numbers: [1258] 1258,57 unequal: No Solution Exploring Operation: 17+74=91, Resulting Numbers: [91] 91,57 unequal: No Solution Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[17, 95, 88, 67], Operations: [] Exploring Operation: 88-67=21, Resulting Numbers: [17, 95, 21] Generated Node #0,2: 57:[17, 95, 21] Operation: 88-67=21 Moving to Node #0,2 Current State: 57:[17, 95, 21], Operations: ['88-67=21'] Exploring Operation: 95-21=74, Resulting Numbers: [17, 74] Generated Node #0,2,1: 57:[17, 74] Operation: 95-21=74 Moving to Node #0,2,1 Current State: 57:[17, 74], Operations: ['88-67=21', '95-21=74'] Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 52, 3, 73, 82 ]
17
[ "82-52=30", "3*30=90", "90-73=17" ]
Current State: 17:[52, 3, 73, 82], Operations: [] Exploring Operation: 82-52=30, Resulting Numbers: [3, 73, 30] Generated Node #2: [3, 73, 30] from Operation: 82-52=30 Current State: 17:[3, 73, 30], Operations: ['82-52=30'] Exploring Operation: 3*30=90, Resulting Numbers: [73, 90] Generated Node #3: [73, 90] from Operation: 3*30=90 Current State: 17:[73, 90], Operations: ['82-52=30', '3*30=90'] Exploring Operation: 90-73=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[52, 3, 73, 82], Operations: [] Exploring Operation: 82-73=9, Resulting Numbers: [52, 3, 9] Generated Node #0,0: 17:[52, 3, 9] Operation: 82-73=9 Moving to Node #0,0 Current State: 17:[52, 3, 9], Operations: ['82-73=9'] Exploring Operation: 52-3=49, Resulting Numbers: [9, 49] Generated Node #0,0,0: 17:[9, 49] Operation: 52-3=49 Moving to Node #0,0,0 Current State: 17:[9, 49], Operations: ['82-73=9', '52-3=49'] Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,17 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 64, 87, 90, 13 ]
74
[ "64+87=151", "90-13=77", "151-77=74" ]
Current State: 74:[64, 87, 90, 13], Operations: [] Exploring Operation: 64+87=151, Resulting Numbers: [90, 13, 151] Generated Node #2: [90, 13, 151] from Operation: 64+87=151 Current State: 74:[90, 13, 151], Operations: ['64+87=151'] Exploring Operation: 90-13=77, Resulting Numbers: [151, 77] Generated Node #3: [151, 77] from Operation: 90-13=77 Current State: 74:[151, 77], Operations: ['64+87=151', '90-13=77'] Exploring Operation: 151-77=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[64, 87, 90, 13], Operations: [] Exploring Operation: 90-87=3, Resulting Numbers: [64, 13, 3] Generated Node #0,0: 74:[64, 13, 3] Operation: 90-87=3 Moving to Node #0,0 Current State: 74:[64, 13, 3], Operations: ['90-87=3'] Exploring Operation: 64+13=77, Resulting Numbers: [3, 77] Generated Node #0,0,0: 74:[3, 77] Operation: 64+13=77 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 74:[3, 77], Operations: ['90-87=3', '64+13=77'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[64, 87, 90, 13], Operations: [] Exploring Operation: 90-87=3, Resulting Numbers: [64, 13, 3] Generated Node #0,0: 74:[64, 13, 3] Operation: 90-87=3 Moving to Node #0,0 Current State: 74:[64, 13, 3], Operations: ['90-87=3'] Exploring Operation: 64+13=77, Resulting Numbers: [3, 77] Generated Node #0,0,0: 74:[3, 77] Operation: 64+13=77 Moving to Node #0,0,0 Current State: 74:[3, 77], Operations: ['90-87=3', '64+13=77'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 45, 18, 8, 48 ]
62
[ "48-45=3", "18*3=54", "8+54=62" ]
Current State: 62:[45, 18, 8, 48], Operations: [] Exploring Operation: 48-45=3, Resulting Numbers: [18, 8, 3] Generated Node #2: [18, 8, 3] from Operation: 48-45=3 Current State: 62:[18, 8, 3], Operations: ['48-45=3'] Exploring Operation: 18*3=54, Resulting Numbers: [8, 54] Generated Node #3: [8, 54] from Operation: 18*3=54 Current State: 62:[8, 54], Operations: ['48-45=3', '18*3=54'] Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[45, 18, 8, 48], Operations: [] Exploring Operation: 45-18=27, Resulting Numbers: [8, 48, 27] Generated Node #0,0: 62:[8, 48, 27] Operation: 45-18=27 Exploring Operation: 48-45=3, Resulting Numbers: [18, 8, 3] Generated Node #0,1: 62:[18, 8, 3] Operation: 48-45=3 Exploring Operation: 48-18=30, Resulting Numbers: [45, 8, 30] Generated Node #0,2: 62:[45, 8, 30] Operation: 48-18=30 Exploring Operation: 45+18=63, Resulting Numbers: [8, 48, 63] Generated Node #0,3: 62:[8, 48, 63] Operation: 45+18=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[18, 8, 3], Operations: ['48-45=3'] Exploring Operation: 18+8=26, Resulting Numbers: [3, 26] Generated Node #0,1,0: 62:[3, 26] Operation: 18+8=26 Exploring Operation: 18-8=10, Resulting Numbers: [3, 10] Generated Node #0,1,1: 62:[3, 10] Operation: 18-8=10 Exploring Operation: 18/3=6, Resulting Numbers: [8, 6] Generated Node #0,1,2: 62:[8, 6] Operation: 18/3=6 Exploring Operation: 18*3=54, Resulting Numbers: [8, 54] Generated Node #0,1,3: 62:[8, 54] Operation: 18*3=54 Moving to Node #0,1,0 Current State: 62:[3, 26], Operations: ['48-45=3', '18+8=26'] Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,62 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,62 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[3, 10], Operations: ['48-45=3', '18-8=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,62 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,62 unequal: No Solution Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,62 unequal: No Solution Moving to Node #0,1,2 Current State: 62:[8, 6], Operations: ['48-45=3', '18/3=6'] Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,62 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,62 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,62 unequal: No Solution Moving to Node #0,1,3 Current State: 62:[8, 54], Operations: ['48-45=3', '18*3=54'] Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,62 unequal: No Solution Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[45, 18, 8, 48], Operations: [] Exploring Operation: 48-45=3, Resulting Numbers: [18, 8, 3] Generated Node #0,1: 62:[18, 8, 3] Operation: 48-45=3 Moving to Node #0,1 Current State: 62:[18, 8, 3], Operations: ['48-45=3'] Exploring Operation: 18*3=54, Resulting Numbers: [8, 54] Generated Node #0,1,3: 62:[8, 54] Operation: 18*3=54 Moving to Node #0,1,3 Current State: 62:[8, 54], Operations: ['48-45=3', '18*3=54'] Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 63, 35, 11, 4 ]
54
[ "63+35=98", "11*4=44", "98-44=54" ]
Current State: 54:[63, 35, 11, 4], Operations: [] Exploring Operation: 63+35=98, Resulting Numbers: [11, 4, 98] Generated Node #2: [11, 4, 98] from Operation: 63+35=98 Current State: 54:[11, 4, 98], Operations: ['63+35=98'] Exploring Operation: 11*4=44, Resulting Numbers: [98, 44] Generated Node #3: [98, 44] from Operation: 11*4=44 Current State: 54:[98, 44], Operations: ['63+35=98', '11*4=44'] Exploring Operation: 98-44=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[63, 35, 11, 4], Operations: [] Exploring Operation: 35-11=24, Resulting Numbers: [63, 4, 24] Generated Node #0,0: 54:[63, 4, 24] Operation: 35-11=24 Exploring Operation: 63-11=52, Resulting Numbers: [35, 4, 52] Generated Node #0,1: 54:[35, 4, 52] Operation: 63-11=52 Exploring Operation: 63-35=28, Resulting Numbers: [11, 4, 28] Generated Node #0,2: 54:[11, 4, 28] Operation: 63-35=28 Exploring Operation: 63-4=59, Resulting Numbers: [35, 11, 59] Generated Node #0,3: 54:[35, 11, 59] Operation: 63-4=59 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[11, 4, 28], Operations: ['63-35=28'] Exploring Operation: 11+4=15, Resulting Numbers: [28, 15] Generated Node #0,2,0: 54:[28, 15] Operation: 11+4=15 Exploring Operation: 28/4=7, Resulting Numbers: [11, 7] Generated Node #0,2,1: 54:[11, 7] Operation: 28/4=7 Exploring Operation: 11-4=7, Resulting Numbers: [28, 7] Generated Node #0,2,2: 54:[28, 7] Operation: 11-4=7 Exploring Operation: 28-11=17, Resulting Numbers: [4, 17] Generated Node #0,2,3: 54:[4, 17] Operation: 28-11=17 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 54:[28, 7], Operations: ['63-35=28', '11-4=7'] Exploring Operation: 28*7=196, Resulting Numbers: [196] 196,54 unequal: No Solution Exploring Operation: 28+7=35, Resulting Numbers: [35] 35,54 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,54 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 #0,2,3 Current State: 54:[4, 17], Operations: ['63-35=28', '28-11=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,54 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,54 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 #0,2,1 Current State: 54:[11, 7], Operations: ['63-35=28', '28/4=7'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,54 unequal: No Solution Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,54 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 #0,2,0 Current State: 54:[28, 15], Operations: ['63-35=28', '11+4=15'] Exploring Operation: 28+15=43, Resulting Numbers: [43] 43,54 unequal: No Solution Exploring Operation: 28*15=420, Resulting Numbers: [420] 420,54 unequal: No Solution Exploring Operation: 28-15=13, Resulting Numbers: [13] 13,54 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:[35, 4, 52], Operations: ['63-11=52'] Exploring Operation: 35-4=31, Resulting Numbers: [52, 31] Generated Node #0,1,0: 54:[52, 31] Operation: 35-4=31 Exploring Operation: 52/4=13, Resulting Numbers: [35, 13] Generated Node #0,1,1: 54:[35, 13] Operation: 52/4=13 Exploring Operation: 4+52=56, Resulting Numbers: [35, 56] Generated Node #0,1,2: 54:[35, 56] Operation: 4+52=56 Exploring Operation: 52-35=17, Resulting Numbers: [4, 17] Generated Node #0,1,3: 54:[4, 17] Operation: 52-35=17 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 54:[4, 17], Operations: ['63-11=52', '52-35=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 4*17=68, Resulting Numbers: [68] 68,54 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:[52, 31], Operations: ['63-11=52', '35-4=31'] Exploring Operation: 52+31=83, Resulting Numbers: [83] 83,54 unequal: No Solution Exploring Operation: 52-31=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 52*31=1612, Resulting Numbers: [1612] 1612,54 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:[35, 56], Operations: ['63-11=52', '4+52=56'] Exploring Operation: 35*56=1960, Resulting Numbers: [1960] 1960,54 unequal: No Solution Exploring Operation: 35+56=91, Resulting Numbers: [91] 91,54 unequal: No Solution Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,54 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:[35, 13], Operations: ['63-11=52', '52/4=13'] Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,54 unequal: No Solution Exploring Operation: 35*13=455, Resulting Numbers: [455] 455,54 unequal: No Solution Exploring Operation: 35+13=48, Resulting Numbers: [48] 48,54 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:[63, 4, 24], Operations: ['35-11=24'] Exploring Operation: 63-4=59, Resulting Numbers: [24, 59] Generated Node #0,0,0: 54:[24, 59] Operation: 63-4=59 Exploring Operation: 24/4=6, Resulting Numbers: [63, 6] Generated Node #0,0,1: 54:[63, 6] Operation: 24/4=6 Exploring Operation: 24-4=20, Resulting Numbers: [63, 20] Generated Node #0,0,2: 54:[63, 20] Operation: 24-4=20 Exploring Operation: 4+24=28, Resulting Numbers: [63, 28] Generated Node #0,0,3: 54:[63, 28] Operation: 4+24=28 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 54:[24, 59], Operations: ['35-11=24', '63-4=59'] Exploring Operation: 24*59=1416, Resulting Numbers: [1416] 1416,54 unequal: No Solution Exploring Operation: 24+59=83, Resulting Numbers: [83] 83,54 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,54 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 #0,0,1 Current State: 54:[63, 6], Operations: ['35-11=24', '24/4=6'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,54 unequal: No Solution Exploring Operation: 63*6=378, Resulting Numbers: [378] 378,54 unequal: No Solution Exploring Operation: 63+6=69, Resulting Numbers: [69] 69,54 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 #0,0,3 Current State: 54:[63, 28], Operations: ['35-11=24', '4+24=28'] Exploring Operation: 63+28=91, Resulting Numbers: [91] 91,54 unequal: No Solution Exploring Operation: 63-28=35, Resulting Numbers: [35] 35,54 unequal: No Solution Exploring Operation: 63*28=1764, Resulting Numbers: [1764] 1764,54 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 #0,0,2 Current State: 54:[63, 20], Operations: ['35-11=24', '24-4=20'] Exploring Operation: 63+20=83, Resulting Numbers: [83] 83,54 unequal: No Solution Exploring Operation: 63*20=1260, Resulting Numbers: [1260] 1260,54 unequal: No Solution Exploring Operation: 63-20=43, Resulting Numbers: [43] 43,54 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 #0,3 Current State: 54:[35, 11, 59], Operations: ['63-4=59'] Exploring Operation: 59-35=24, Resulting Numbers: [11, 24] Generated Node #0,3,0: 54:[11, 24] Operation: 59-35=24 Exploring Operation: 35+11=46, Resulting Numbers: [59, 46] Generated Node #0,3,1: 54:[59, 46] Operation: 35+11=46 Exploring Operation: 59-11=48, Resulting Numbers: [35, 48] Generated Node #0,3,2: 54:[35, 48] Operation: 59-11=48 Exploring Operation: 35-11=24, Resulting Numbers: [59, 24] Generated Node #0,3,3: 54:[59, 24] Operation: 35-11=24 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 54:[11, 24], Operations: ['63-4=59', '59-35=24'] Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 11*24=264, Resulting Numbers: [264] 264,54 unequal: No Solution Exploring Operation: 11+24=35, Resulting Numbers: [35] 35,54 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:[59, 24], Operations: ['63-4=59', '35-11=24'] Exploring Operation: 59+24=83, Resulting Numbers: [83] 83,54 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,54 unequal: No Solution Exploring Operation: 59*24=1416, Resulting Numbers: [1416] 1416,54 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 #0,3,1 Current State: 54:[59, 46], Operations: ['63-4=59', '35+11=46'] Exploring Operation: 59+46=105, Resulting Numbers: [105] 105,54 unequal: No Solution Exploring Operation: 59-46=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 59*46=2714, Resulting Numbers: [2714] 2714,54 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:[35, 48], Operations: ['63-4=59', '59-11=48'] Exploring Operation: 35*48=1680, Resulting Numbers: [1680] 1680,54 unequal: No Solution Exploring Operation: 48-35=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 35+48=83, Resulting Numbers: [83] 83,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 16, 11, 75, 16 ]
85
[ "16*11=176", "75+16=91", "176-91=85" ]
Current State: 85:[16, 11, 75, 16], Operations: [] Exploring Operation: 16*11=176, Resulting Numbers: [75, 176] Generated Node #2: [75, 176] from Operation: 16*11=176 Current State: 85:[75, 176], Operations: ['16*11=176'] Exploring Operation: 75+16=91, Resulting Numbers: [176, 91] Generated Node #3: [176, 91] from Operation: 75+16=91 Current State: 85:[176, 91], Operations: ['16*11=176', '75+16=91'] Exploring Operation: 176-91=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[16, 11, 75, 16], Operations: [] Exploring Operation: 16-11=5, Resulting Numbers: [16, 75, 5] Generated Node #0,0: 85:[16, 75, 5] Operation: 16-11=5 Exploring Operation: 16+75=91, Resulting Numbers: [11, 16, 91] Generated Node #0,1: 85:[11, 16, 91] Operation: 16+75=91 Exploring Operation: 11+75=86, Resulting Numbers: [16, 16, 86] Generated Node #0,2: 85:[16, 16, 86] Operation: 11+75=86 Exploring Operation: 16-11=5, Resulting Numbers: [75, 16, 5] Generated Node #0,3: 85:[75, 16, 5] Operation: 16-11=5 Moving to Node #0,2 Current State: 85:[16, 16, 86], Operations: ['11+75=86'] Exploring Operation: 16+16=32, Resulting Numbers: [86, 32] Generated Node #0,2,0: 85:[86, 32] Operation: 16+16=32 Exploring Operation: 16/16=1, Resulting Numbers: [86, 1] Generated Node #0,2,1: 85:[86, 1] Operation: 16/16=1 Exploring Operation: 86-16=70, Resulting Numbers: [16, 70] Generated Node #0,2,2: 85:[16, 70] Operation: 86-16=70 Exploring Operation: 16-16=0, Resulting Numbers: [86, 0] Generated Node #0,2,3: 85:[86, 0] Operation: 16-16=0 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[86, 1], Operations: ['11+75=86', '16/16=1'] Exploring Operation: 86*1=86, Resulting Numbers: [86] 86,85 unequal: No Solution Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[16, 11, 75, 16], Operations: [] Exploring Operation: 11+75=86, Resulting Numbers: [16, 16, 86] Generated Node #0,2: 85:[16, 16, 86] Operation: 11+75=86 Moving to Node #0,2 Current State: 85:[16, 16, 86], Operations: ['11+75=86'] Exploring Operation: 16/16=1, Resulting Numbers: [86, 1] Generated Node #0,2,1: 85:[86, 1] Operation: 16/16=1 Moving to Node #0,2,1 Current State: 85:[86, 1], Operations: ['11+75=86', '16/16=1'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 33, 89, 6, 53 ]
39
[ "89-53=36", "36/6=6", "33+6=39" ]
Current State: 39:[33, 89, 6, 53], Operations: [] Exploring Operation: 89-53=36, Resulting Numbers: [33, 6, 36] Generated Node #2: [33, 6, 36] from Operation: 89-53=36 Current State: 39:[33, 6, 36], Operations: ['89-53=36'] Exploring Operation: 36/6=6, Resulting Numbers: [33, 6] Generated Node #3: [33, 6] from Operation: 36/6=6 Current State: 39:[33, 6], Operations: ['89-53=36', '36/6=6'] Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[33, 89, 6, 53], Operations: [] Exploring Operation: 89-53=36, Resulting Numbers: [33, 6, 36] Generated Node #0,0: 39:[33, 6, 36] Operation: 89-53=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[33, 6, 36], Operations: ['89-53=36'] Exploring Operation: 33+6=39, Resulting Numbers: [36, 39] Generated Node #0,0,0: 39:[36, 39] Operation: 33+6=39 Moving to Node #0,0,0 Current State: 39:[36, 39], Operations: ['89-53=36', '33+6=39'] Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,39 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
[ 71, 33, 35, 19 ]
26
[ "71-19=52", "35-33=2", "52/2=26" ]
Current State: 26:[71, 33, 35, 19], Operations: [] Exploring Operation: 71-19=52, Resulting Numbers: [33, 35, 52] Generated Node #2: [33, 35, 52] from Operation: 71-19=52 Current State: 26:[33, 35, 52], Operations: ['71-19=52'] Exploring Operation: 35-33=2, Resulting Numbers: [52, 2] Generated Node #3: [52, 2] from Operation: 35-33=2 Current State: 26:[52, 2], Operations: ['71-19=52', '35-33=2'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[71, 33, 35, 19], Operations: [] Exploring Operation: 71-35=36, Resulting Numbers: [33, 19, 36] Generated Node #0,0: 26:[33, 19, 36] Operation: 71-35=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[33, 19, 36], Operations: ['71-35=36'] Exploring Operation: 36-33=3, Resulting Numbers: [19, 3] Generated Node #0,0,0: 26:[19, 3] Operation: 36-33=3 Moving to Node #0,0,0 Current State: 26:[19, 3], Operations: ['71-35=36', '36-33=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 32, 6, 23, 91 ]
79
[ "91-32=59", "6*23=138", "138-59=79" ]
Current State: 79:[32, 6, 23, 91], Operations: [] Exploring Operation: 91-32=59, Resulting Numbers: [6, 23, 59] Generated Node #2: [6, 23, 59] from Operation: 91-32=59 Current State: 79:[6, 23, 59], Operations: ['91-32=59'] Exploring Operation: 6*23=138, Resulting Numbers: [59, 138] Generated Node #3: [59, 138] from Operation: 6*23=138 Current State: 79:[59, 138], Operations: ['91-32=59', '6*23=138'] Exploring Operation: 138-59=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[32, 6, 23, 91], Operations: [] Exploring Operation: 32+23=55, Resulting Numbers: [6, 91, 55] Generated Node #0,0: 79:[6, 91, 55] Operation: 32+23=55 Exploring Operation: 32+6=38, Resulting Numbers: [23, 91, 38] Generated Node #0,1: 79:[23, 91, 38] Operation: 32+6=38 Exploring Operation: 6*23=138, Resulting Numbers: [32, 91, 138] Generated Node #0,2: 79:[32, 91, 138] Operation: 6*23=138 Exploring Operation: 6+23=29, Resulting Numbers: [32, 91, 29] Generated Node #0,3: 79:[32, 91, 29] Operation: 6+23=29 Exploring Operation: 91-6=85, Resulting Numbers: [32, 23, 85] Generated Node #0,4: 79:[32, 23, 85] Operation: 91-6=85 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[6, 91, 55], Operations: ['32+23=55'] Exploring Operation: 91-55=36, Resulting Numbers: [6, 36] Generated Node #0,0,0: 79:[6, 36] Operation: 91-55=36 Exploring Operation: 55-6=49, Resulting Numbers: [91, 49] Generated Node #0,0,1: 79:[91, 49] Operation: 55-6=49 Exploring Operation: 6+55=61, Resulting Numbers: [91, 61] Generated Node #0,0,2: 79:[91, 61] Operation: 6+55=61 Exploring Operation: 91-6=85, Resulting Numbers: [55, 85] Generated Node #0,0,3: 79:[55, 85] Operation: 91-6=85 Exploring Operation: 6+91=97, Resulting Numbers: [55, 97] Generated Node #0,0,4: 79:[55, 97] Operation: 6+91=97 Moving to Node #0,0,2 Current State: 79:[91, 61], Operations: ['32+23=55', '6+55=61'] Exploring Operation: 91+61=152, Resulting Numbers: [152] 152,79 unequal: No Solution Exploring Operation: 91*61=5551, Resulting Numbers: [5551] 5551,79 unequal: No Solution Exploring Operation: 91-61=30, Resulting Numbers: [30] 30,79 unequal: No Solution Moving to Node #0,0,3 Current State: 79:[55, 85], Operations: ['32+23=55', '91-6=85'] Exploring Operation: 85-55=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 55*85=4675, Resulting Numbers: [4675] 4675,79 unequal: No Solution Exploring Operation: 55+85=140, Resulting Numbers: [140] 140,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[91, 49], Operations: ['32+23=55', '55-6=49'] Exploring Operation: 91*49=4459, Resulting Numbers: [4459] 4459,79 unequal: No Solution Exploring Operation: 91-49=42, Resulting Numbers: [42] 42,79 unequal: No Solution Exploring Operation: 91+49=140, Resulting Numbers: [140] 140,79 unequal: No Solution Moving to Node #0,0,4 Current State: 79:[55, 97], Operations: ['32+23=55', '6+91=97'] Exploring Operation: 97-55=42, Resulting Numbers: [42] 42,79 unequal: No Solution Exploring Operation: 55*97=5335, Resulting Numbers: [5335] 5335,79 unequal: No Solution Exploring Operation: 55+97=152, Resulting Numbers: [152] 152,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[6, 36], Operations: ['32+23=55', '91-55=36'] Exploring Operation: 6*36=216, Resulting Numbers: [216] 216,79 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,79 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 6+36=42, Resulting Numbers: [42] 42,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[23, 91, 38], Operations: ['32+6=38'] Exploring Operation: 91-38=53, Resulting Numbers: [23, 53] Generated Node #0,1,0: 79:[23, 53] Operation: 91-38=53 Exploring Operation: 23+38=61, Resulting Numbers: [91, 61] Generated Node #0,1,1: 79:[91, 61] Operation: 23+38=61 Exploring Operation: 91-23=68, Resulting Numbers: [38, 68] Generated Node #0,1,2: 79:[38, 68] Operation: 91-23=68 Exploring Operation: 23+91=114, Resulting Numbers: [38, 114] Generated Node #0,1,3: 79:[38, 114] Operation: 23+91=114 Exploring Operation: 38-23=15, Resulting Numbers: [91, 15] Generated Node #0,1,4: 79:[91, 15] Operation: 38-23=15 Moving to Node #0,1,1 Current State: 79:[91, 61], Operations: ['32+6=38', '23+38=61'] Exploring Operation: 91+61=152, Resulting Numbers: [152] 152,79 unequal: No Solution Exploring Operation: 91*61=5551, Resulting Numbers: [5551] 5551,79 unequal: No Solution Exploring Operation: 91-61=30, Resulting Numbers: [30] 30,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[38, 68], Operations: ['32+6=38', '91-23=68'] Exploring Operation: 38*68=2584, Resulting Numbers: [2584] 2584,79 unequal: No Solution Exploring Operation: 38+68=106, Resulting Numbers: [106] 106,79 unequal: No Solution Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[38, 114], Operations: ['32+6=38', '23+91=114'] Exploring Operation: 38*114=4332, Resulting Numbers: [4332] 4332,79 unequal: No Solution Exploring Operation: 114-38=76, Resulting Numbers: [76] 76,79 unequal: No Solution Exploring Operation: 38+114=152, Resulting Numbers: [152] 152,79 unequal: No Solution Exploring Operation: 114/38=3, Resulting Numbers: [3] 3,79 unequal: No Solution Moving to Node #0,1,4 Current State: 79:[91, 15], Operations: ['32+6=38', '38-23=15'] Exploring Operation: 91+15=106, Resulting Numbers: [106] 106,79 unequal: No Solution Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,79 unequal: No Solution Exploring Operation: 91*15=1365, Resulting Numbers: [1365] 1365,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[23, 53], Operations: ['32+6=38', '91-38=53'] Exploring Operation: 53-23=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 23*53=1219, Resulting Numbers: [1219] 1219,79 unequal: No Solution Exploring Operation: 23+53=76, Resulting Numbers: [76] 76,79 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 Current State: 79:[32, 91, 29], Operations: ['6+23=29'] Exploring Operation: 32+29=61, Resulting Numbers: [91, 61] Generated Node #0,3,0: 79:[91, 61] Operation: 32+29=61 Exploring Operation: 32-29=3, Resulting Numbers: [91, 3] Generated Node #0,3,1: 79:[91, 3] Operation: 32-29=3 Exploring Operation: 91-32=59, Resulting Numbers: [29, 59] Generated Node #0,3,2: 79:[29, 59] Operation: 91-32=59 Exploring Operation: 91-29=62, Resulting Numbers: [32, 62] Generated Node #0,3,3: 79:[32, 62] Operation: 91-29=62 Exploring Operation: 91+29=120, Resulting Numbers: [32, 120] Generated Node #0,3,4: 79:[32, 120] Operation: 91+29=120 Moving to Node #0,3,0 Current State: 79:[91, 61], Operations: ['6+23=29', '32+29=61'] Exploring Operation: 91*61=5551, Resulting Numbers: [5551] 5551,79 unequal: No Solution Exploring Operation: 91+61=152, Resulting Numbers: [152] 152,79 unequal: No Solution Exploring Operation: 91-61=30, Resulting Numbers: [30] 30,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[32, 62], Operations: ['6+23=29', '91-29=62'] Exploring Operation: 32+62=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 62-32=30, Resulting Numbers: [30] 30,79 unequal: No Solution Exploring Operation: 32*62=1984, Resulting Numbers: [1984] 1984,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[29, 59], Operations: ['6+23=29', '91-32=59'] Exploring Operation: 29*59=1711, Resulting Numbers: [1711] 1711,79 unequal: No Solution Exploring Operation: 29+59=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 59-29=30, Resulting Numbers: [30] 30,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[91, 3], Operations: ['6+23=29', '32-29=3'] Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[32, 120], Operations: ['6+23=29', '91+29=120'] Exploring Operation: 120-32=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 32*120=3840, Resulting Numbers: [3840] 3840,79 unequal: No Solution Exploring Operation: 32+120=152, Resulting Numbers: [152] 152,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 79:[32, 23, 85], Operations: ['91-6=85'] Exploring Operation: 23+85=108, Resulting Numbers: [32, 108] Generated Node #0,4,0: 79:[32, 108] Operation: 23+85=108 Exploring Operation: 32-23=9, Resulting Numbers: [85, 9] Generated Node #0,4,1: 79:[85, 9] Operation: 32-23=9 Exploring Operation: 85-32=53, Resulting Numbers: [23, 53] Generated Node #0,4,2: 79:[23, 53] Operation: 85-32=53 Exploring Operation: 32+23=55, Resulting Numbers: [85, 55] Generated Node #0,4,3: 79:[85, 55] Operation: 32+23=55 Exploring Operation: 85-23=62, Resulting Numbers: [32, 62] Generated Node #0,4,4: 79:[32, 62] Operation: 85-23=62 Moving to Node #0,4,3 Current State: 79:[85, 55], Operations: ['91-6=85', '32+23=55'] Exploring Operation: 85+55=140, Resulting Numbers: [140] 140,79 unequal: No Solution Exploring Operation: 85*55=4675, Resulting Numbers: [4675] 4675,79 unequal: No Solution Exploring Operation: 85-55=30, Resulting Numbers: [30] 30,79 unequal: No Solution Moving to Node #0,4,4 Current State: 79:[32, 62], Operations: ['91-6=85', '85-23=62'] Exploring Operation: 32+62=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 32*62=1984, Resulting Numbers: [1984] 1984,79 unequal: No Solution Exploring Operation: 62-32=30, Resulting Numbers: [30] 30,79 unequal: No Solution Moving to Node #0,4,0 Current State: 79:[32, 108], Operations: ['91-6=85', '23+85=108'] Exploring Operation: 32*108=3456, Resulting Numbers: [3456] 3456,79 unequal: No Solution Exploring Operation: 32+108=140, Resulting Numbers: [140] 140,79 unequal: No Solution Exploring Operation: 108-32=76, Resulting Numbers: [76] 76,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[85, 9], Operations: ['91-6=85', '32-23=9'] Exploring Operation: 85*9=765, Resulting Numbers: [765] 765,79 unequal: No Solution Exploring Operation: 85+9=94, Resulting Numbers: [94] 94,79 unequal: No Solution Exploring Operation: 85-9=76, Resulting Numbers: [76] 76,79 unequal: No Solution Moving to Node #0,4,2 Current State: 79:[23, 53], Operations: ['91-6=85', '85-32=53'] Exploring Operation: 23*53=1219, Resulting Numbers: [1219] 1219,79 unequal: No Solution Exploring Operation: 23+53=76, Resulting Numbers: [76] 76,79 unequal: No Solution Exploring Operation: 53-23=30, Resulting Numbers: [30] 30,79 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:[32, 91, 138], Operations: ['6*23=138'] Exploring Operation: 138-91=47, Resulting Numbers: [32, 47] Generated Node #0,2,0: 79:[32, 47] Operation: 138-91=47 Exploring Operation: 138-32=106, Resulting Numbers: [91, 106] Generated Node #0,2,1: 79:[91, 106] Operation: 138-32=106 Exploring Operation: 91-32=59, Resulting Numbers: [138, 59] Generated Node #0,2,2: 79:[138, 59] Operation: 91-32=59 Exploring Operation: 32+138=170, Resulting Numbers: [91, 170] Generated Node #0,2,3: 79:[91, 170] Operation: 32+138=170 Exploring Operation: 32+91=123, Resulting Numbers: [138, 123] Generated Node #0,2,4: 79:[138, 123] Operation: 32+91=123 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[91, 106], Operations: ['6*23=138', '138-32=106'] Exploring Operation: 91*106=9646, Resulting Numbers: [9646] 9646,79 unequal: No Solution Exploring Operation: 91+106=197, Resulting Numbers: [197] 197,79 unequal: No Solution Exploring Operation: 106-91=15, Resulting Numbers: [15] 15,79 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 #0,2,0 Current State: 79:[32, 47], Operations: ['6*23=138', '138-91=47'] Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,79 unequal: No Solution Exploring Operation: 32+47=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[32, 6, 23, 91], Operations: [] Exploring Operation: 6*23=138, Resulting Numbers: [32, 91, 138] Generated Node #0,2: 79:[32, 91, 138] Operation: 6*23=138 Moving to Node #0,2 Current State: 79:[32, 91, 138], Operations: ['6*23=138'] Exploring Operation: 138-91=47, Resulting Numbers: [32, 47] Generated Node #0,2,0: 79:[32, 47] Operation: 138-91=47 Moving to Node #0,2,0 Current State: 79:[32, 47], Operations: ['6*23=138', '138-91=47'] Exploring Operation: 32+47=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.912326
hs_5
mult_heuristic
[ 35, 50, 12, 43 ]
70
[ "50-35=15", "12+43=55", "15+55=70" ]
Current State: 70:[35, 50, 12, 43], Operations: [] Exploring Operation: 50-35=15, Resulting Numbers: [12, 43, 15] Generated Node #2: [12, 43, 15] from Operation: 50-35=15 Current State: 70:[12, 43, 15], Operations: ['50-35=15'] Exploring Operation: 12+43=55, Resulting Numbers: [15, 55] Generated Node #3: [15, 55] from Operation: 12+43=55 Current State: 70:[15, 55], Operations: ['50-35=15', '12+43=55'] Exploring Operation: 15+55=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[35, 50, 12, 43], Operations: [] Exploring Operation: 50-43=7, Resulting Numbers: [35, 12, 7] Generated Node #0,0: 70:[35, 12, 7] Operation: 50-43=7 Exploring Operation: 50-35=15, Resulting Numbers: [12, 43, 15] Generated Node #0,1: 70:[12, 43, 15] Operation: 50-35=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[35, 12, 7], Operations: ['50-43=7'] Exploring Operation: 35/7=5, Resulting Numbers: [12, 5] Generated Node #0,0,0: 70:[12, 5] Operation: 35/7=5 Exploring Operation: 12-7=5, Resulting Numbers: [35, 5] Generated Node #0,0,1: 70:[35, 5] Operation: 12-7=5 Moving to Node #0,0,1 Current State: 70:[35, 5], Operations: ['50-43=7', '12-7=5'] Exploring Operation: 35+5=40, Resulting Numbers: [40] 40,70 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[12, 5], Operations: ['50-43=7', '35/7=5'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,70 unequal: No Solution Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[12, 43, 15], Operations: ['50-35=15'] Exploring Operation: 15-12=3, Resulting Numbers: [43, 3] Generated Node #0,1,0: 70:[43, 3] Operation: 15-12=3 Exploring Operation: 43-12=31, Resulting Numbers: [15, 31] Generated Node #0,1,1: 70:[15, 31] Operation: 43-12=31 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 70:[15, 31], Operations: ['50-35=15', '43-12=31'] Exploring Operation: 31-15=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 15+31=46, Resulting Numbers: [46] 46,70 unequal: No Solution No 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: 70:[43, 3], Operations: ['50-35=15', '15-12=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,70 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 88, 90, 7, 89 ]
95
[ "88+7=95", "90-89=1", "95*1=95" ]
Current State: 95:[88, 90, 7, 89], Operations: [] Exploring Operation: 88+7=95, Resulting Numbers: [90, 89, 95] Generated Node #2: [90, 89, 95] from Operation: 88+7=95 Current State: 95:[90, 89, 95], Operations: ['88+7=95'] Exploring Operation: 90-89=1, Resulting Numbers: [95, 1] Generated Node #3: [95, 1] from Operation: 90-89=1 Current State: 95:[95, 1], Operations: ['88+7=95', '90-89=1'] Exploring Operation: 95*1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[88, 90, 7, 89], Operations: [] Exploring Operation: 89-88=1, Resulting Numbers: [90, 7, 1] Generated Node #0,0: 95:[90, 7, 1] Operation: 89-88=1 Exploring Operation: 88+7=95, Resulting Numbers: [90, 89, 95] Generated Node #0,1: 95:[90, 89, 95] Operation: 88+7=95 Exploring Operation: 90-88=2, Resulting Numbers: [7, 89, 2] Generated Node #0,2: 95:[7, 89, 2] Operation: 90-88=2 Moving to Node #0,0 Current State: 95:[90, 7, 1], Operations: ['89-88=1'] Exploring Operation: 90+1=91, Resulting Numbers: [7, 91] Generated Node #0,0,0: 95:[7, 91] Operation: 90+1=91 Exploring Operation: 7-1=6, Resulting Numbers: [90, 6] Generated Node #0,0,1: 95:[90, 6] Operation: 7-1=6 Exploring Operation: 90+7=97, Resulting Numbers: [1, 97] Generated Node #0,0,2: 95:[1, 97] Operation: 90+7=97 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[7, 91], Operations: ['89-88=1', '90+1=91'] Exploring Operation: 91/7=13, Resulting Numbers: [13] 13,95 unequal: No Solution Exploring Operation: 7+91=98, Resulting Numbers: [98] 98,95 unequal: No Solution Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,95 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 #0,0,1 Current State: 95:[90, 6], Operations: ['89-88=1', '7-1=6'] Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,95 unequal: No Solution Exploring Operation: 90-6=84, Resulting Numbers: [84] 84,95 unequal: No Solution Exploring Operation: 90+6=96, Resulting Numbers: [96] 96,95 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 #0,0,2 Current State: 95:[1, 97], Operations: ['89-88=1', '90+7=97'] Exploring Operation: 97-1=96, Resulting Numbers: [96] 96,95 unequal: No Solution Exploring Operation: 97/1=97, Resulting Numbers: [97] 97,95 unequal: No Solution Exploring Operation: 1*97=97, Resulting Numbers: [97] 97,95 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: 95:[90, 89, 95], Operations: ['88+7=95'] Exploring Operation: 95-89=6, Resulting Numbers: [90, 6] Generated Node #0,1,0: 95:[90, 6] Operation: 95-89=6 Exploring Operation: 95-90=5, Resulting Numbers: [89, 5] Generated Node #0,1,1: 95:[89, 5] Operation: 95-90=5 Exploring Operation: 90-89=1, Resulting Numbers: [95, 1] Generated Node #0,1,2: 95:[95, 1] Operation: 90-89=1 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 95:[95, 1], Operations: ['88+7=95', '90-89=1'] Exploring Operation: 95+1=96, Resulting Numbers: [96] 96,95 unequal: No Solution Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[88, 90, 7, 89], Operations: [] Exploring Operation: 88+7=95, Resulting Numbers: [90, 89, 95] Generated Node #0,1: 95:[90, 89, 95] Operation: 88+7=95 Moving to Node #0,1 Current State: 95:[90, 89, 95], Operations: ['88+7=95'] Exploring Operation: 90-89=1, Resulting Numbers: [95, 1] Generated Node #0,1,2: 95:[95, 1] Operation: 90-89=1 Moving to Node #0,1,2 Current State: 95:[95, 1], Operations: ['88+7=95', '90-89=1'] Exploring Operation: 95/1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 6, 1, 43, 29 ]
67
[ "6-1=5", "43+29=72", "72-5=67" ]
Current State: 67:[6, 1, 43, 29], Operations: [] Exploring Operation: 6-1=5, Resulting Numbers: [43, 29, 5] Generated Node #2: [43, 29, 5] from Operation: 6-1=5 Current State: 67:[43, 29, 5], Operations: ['6-1=5'] Exploring Operation: 43+29=72, Resulting Numbers: [5, 72] Generated Node #3: [5, 72] from Operation: 43+29=72 Current State: 67:[5, 72], Operations: ['6-1=5', '43+29=72'] Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[6, 1, 43, 29], Operations: [] Exploring Operation: 6+29=35, Resulting Numbers: [1, 43, 35] Generated Node #0,0: 67:[1, 43, 35] Operation: 6+29=35 Exploring Operation: 1+43=44, Resulting Numbers: [6, 29, 44] Generated Node #0,1: 67:[6, 29, 44] Operation: 1+43=44 Exploring Operation: 6+1=7, Resulting Numbers: [43, 29, 7] Generated Node #0,2: 67:[43, 29, 7] Operation: 6+1=7 Exploring Operation: 6+43=49, Resulting Numbers: [1, 29, 49] Generated Node #0,3: 67:[1, 29, 49] Operation: 6+43=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[1, 43, 35], Operations: ['6+29=35'] Exploring Operation: 1+43=44, Resulting Numbers: [35, 44] Generated Node #0,0,0: 67:[35, 44] Operation: 1+43=44 Exploring Operation: 1+35=36, Resulting Numbers: [43, 36] Generated Node #0,0,1: 67:[43, 36] Operation: 1+35=36 Exploring Operation: 43/1=43, Resulting Numbers: [35, 43] Generated Node #0,0,2: 67:[35, 43] Operation: 43/1=43 Exploring Operation: 1*43=43, Resulting Numbers: [35, 43] Generated Node #0,0,3: 67:[35, 43] Operation: 1*43=43 Moving to Node #0,0,0 Current State: 67:[35, 44], Operations: ['6+29=35', '1+43=44'] Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,67 unequal: No Solution Exploring Operation: 35+44=79, Resulting Numbers: [79] 79,67 unequal: No Solution Exploring Operation: 35*44=1540, Resulting Numbers: [1540] 1540,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[43, 36], Operations: ['6+29=35', '1+35=36'] Exploring Operation: 43-36=7, Resulting Numbers: [7] 7,67 unequal: No Solution Exploring Operation: 43*36=1548, Resulting Numbers: [1548] 1548,67 unequal: No Solution Exploring Operation: 43+36=79, Resulting Numbers: [79] 79,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[35, 43], Operations: ['6+29=35', '1*43=43'] Exploring Operation: 35+43=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 35*43=1505, Resulting Numbers: [1505] 1505,67 unequal: No Solution Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[35, 43], Operations: ['6+29=35', '43/1=43'] Exploring Operation: 43-35=8, Resulting Numbers: [8] 8,67 unequal: No Solution Exploring Operation: 35*43=1505, Resulting Numbers: [1505] 1505,67 unequal: No Solution Exploring Operation: 35+43=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[6, 29, 44], Operations: ['1+43=44'] Exploring Operation: 29-6=23, Resulting Numbers: [44, 23] Generated Node #0,1,0: 67:[44, 23] Operation: 29-6=23 Exploring Operation: 44-6=38, Resulting Numbers: [29, 38] Generated Node #0,1,1: 67:[29, 38] Operation: 44-6=38 Exploring Operation: 6+29=35, Resulting Numbers: [44, 35] Generated Node #0,1,2: 67:[44, 35] Operation: 6+29=35 Exploring Operation: 6+44=50, Resulting Numbers: [29, 50] Generated Node #0,1,3: 67:[29, 50] Operation: 6+44=50 Moving to Node #0,1,2 Current State: 67:[44, 35], Operations: ['1+43=44', '6+29=35'] Exploring Operation: 44*35=1540, Resulting Numbers: [1540] 1540,67 unequal: No Solution Exploring Operation: 44+35=79, Resulting Numbers: [79] 79,67 unequal: No Solution Exploring Operation: 44-35=9, Resulting Numbers: [9] 9,67 unequal: No Solution Moving to Node #0,1,3 Current State: 67:[29, 50], Operations: ['1+43=44', '6+44=50'] Exploring Operation: 29*50=1450, Resulting Numbers: [1450] 1450,67 unequal: No Solution Exploring Operation: 29+50=79, Resulting Numbers: [79] 79,67 unequal: No Solution Exploring Operation: 50-29=21, Resulting Numbers: [21] 21,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[29, 38], Operations: ['1+43=44', '44-6=38'] Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[6, 1, 43, 29], Operations: [] Exploring Operation: 1+43=44, Resulting Numbers: [6, 29, 44] Generated Node #0,1: 67:[6, 29, 44] Operation: 1+43=44 Moving to Node #0,1 Current State: 67:[6, 29, 44], Operations: ['1+43=44'] Exploring Operation: 44-6=38, Resulting Numbers: [29, 38] Generated Node #0,1,1: 67:[29, 38] Operation: 44-6=38 Moving to Node #0,1,1 Current State: 67:[29, 38], Operations: ['1+43=44', '44-6=38'] Exploring Operation: 29+38=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 23, 57, 11, 10 ]
60
[ "23+10=33", "33/11=3", "57+3=60" ]
Current State: 60:[23, 57, 11, 10], Operations: [] Exploring Operation: 23+10=33, Resulting Numbers: [57, 11, 33] Generated Node #2: [57, 11, 33] from Operation: 23+10=33 Current State: 60:[57, 11, 33], Operations: ['23+10=33'] Exploring Operation: 33/11=3, Resulting Numbers: [57, 3] Generated Node #3: [57, 3] from Operation: 33/11=3 Current State: 60:[57, 3], Operations: ['23+10=33', '33/11=3'] Exploring Operation: 57+3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[23, 57, 11, 10], Operations: [] Exploring Operation: 23-11=12, Resulting Numbers: [57, 10, 12] Generated Node #0,0: 60:[57, 10, 12] Operation: 23-11=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[57, 10, 12], Operations: ['23-11=12'] Exploring Operation: 12-10=2, Resulting Numbers: [57, 2] Generated Node #0,0,0: 60:[57, 2] Operation: 12-10=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[57, 2], Operations: ['23-11=12', '12-10=2'] Exploring Operation: 57+2=59, Resulting Numbers: [59] 59,60 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 No solution found.
0
hs_1
sum_heuristic
[ 12, 89, 60, 57 ]
27
[ "60/12=5", "89-57=32", "32-5=27" ]
Current State: 27:[12, 89, 60, 57], Operations: [] Exploring Operation: 60/12=5, Resulting Numbers: [89, 57, 5] Generated Node #2: [89, 57, 5] from Operation: 60/12=5 Current State: 27:[89, 57, 5], Operations: ['60/12=5'] Exploring Operation: 89-57=32, Resulting Numbers: [5, 32] Generated Node #3: [5, 32] from Operation: 89-57=32 Current State: 27:[5, 32], Operations: ['60/12=5', '89-57=32'] Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[12, 89, 60, 57], Operations: [] Exploring Operation: 89-60=29, Resulting Numbers: [12, 57, 29] Generated Node #0,0: 27:[12, 57, 29] Operation: 89-60=29 Exploring Operation: 89-57=32, Resulting Numbers: [12, 60, 32] Generated Node #0,1: 27:[12, 60, 32] Operation: 89-57=32 Exploring Operation: 60-57=3, Resulting Numbers: [12, 89, 3] Generated Node #0,2: 27:[12, 89, 3] Operation: 60-57=3 Exploring Operation: 89-12=77, Resulting Numbers: [60, 57, 77] Generated Node #0,3: 27:[60, 57, 77] Operation: 89-12=77 Exploring Operation: 60/12=5, Resulting Numbers: [89, 57, 5] Generated Node #0,4: 27:[89, 57, 5] Operation: 60/12=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[12, 57, 29], Operations: ['89-60=29'] Exploring Operation: 29-12=17, Resulting Numbers: [57, 17] Generated Node #0,0,0: 27:[57, 17] Operation: 29-12=17 Exploring Operation: 57-29=28, Resulting Numbers: [12, 28] Generated Node #0,0,1: 27:[12, 28] Operation: 57-29=28 Exploring Operation: 57-12=45, Resulting Numbers: [29, 45] Generated Node #0,0,2: 27:[29, 45] Operation: 57-12=45 Exploring Operation: 12+57=69, Resulting Numbers: [29, 69] Generated Node #0,0,3: 27:[29, 69] Operation: 12+57=69 Exploring Operation: 12+29=41, Resulting Numbers: [57, 41] Generated Node #0,0,4: 27:[57, 41] Operation: 12+29=41 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[12, 28], Operations: ['89-60=29', '57-29=28'] Exploring Operation: 12*28=336, Resulting Numbers: [336] 336,27 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[29, 45], Operations: ['89-60=29', '57-12=45'] Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 29+45=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 29*45=1305, Resulting Numbers: [1305] 1305,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[57, 17], Operations: ['89-60=29', '29-12=17'] Exploring Operation: 57*17=969, Resulting Numbers: [969] 969,27 unequal: No Solution Exploring Operation: 57+17=74, Resulting Numbers: [74] 74,27 unequal: No Solution Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 27:[29, 69], Operations: ['89-60=29', '12+57=69'] Exploring Operation: 29+69=98, Resulting Numbers: [98] 98,27 unequal: No Solution Exploring Operation: 69-29=40, Resulting Numbers: [40] 40,27 unequal: No Solution Exploring Operation: 29*69=2001, Resulting Numbers: [2001] 2001,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 27:[57, 41], Operations: ['89-60=29', '12+29=41'] Exploring Operation: 57+41=98, Resulting Numbers: [98] 98,27 unequal: No Solution Exploring Operation: 57*41=2337, Resulting Numbers: [2337] 2337,27 unequal: No Solution Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[12, 60, 32], Operations: ['89-57=32'] Exploring Operation: 60-32=28, Resulting Numbers: [12, 28] Generated Node #0,1,0: 27:[12, 28] Operation: 60-32=28 Exploring Operation: 12+60=72, Resulting Numbers: [32, 72] Generated Node #0,1,1: 27:[32, 72] Operation: 12+60=72 Exploring Operation: 60-12=48, Resulting Numbers: [32, 48] Generated Node #0,1,2: 27:[32, 48] Operation: 60-12=48 Exploring Operation: 60/12=5, Resulting Numbers: [32, 5] Generated Node #0,1,3: 27:[32, 5] Operation: 60/12=5 Exploring Operation: 32-12=20, Resulting Numbers: [60, 20] Generated Node #0,1,4: 27:[60, 20] Operation: 32-12=20 Moving to Node #0,1,0 Current State: 27:[12, 28], Operations: ['89-57=32', '60-32=28'] Exploring Operation: 12*28=336, Resulting Numbers: [336] 336,27 unequal: No Solution Exploring Operation: 12+28=40, Resulting Numbers: [40] 40,27 unequal: No Solution Exploring Operation: 28-12=16, Resulting Numbers: [16] 16,27 unequal: No Solution Moving to Node #0,1,3 Current State: 27:[32, 5], Operations: ['89-57=32', '60/12=5'] Exploring Operation: 32*5=160, Resulting Numbers: [160] 160,27 unequal: No Solution Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,27 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[12, 89, 60, 57], Operations: [] Exploring Operation: 89-57=32, Resulting Numbers: [12, 60, 32] Generated Node #0,1: 27:[12, 60, 32] Operation: 89-57=32 Moving to Node #0,1 Current State: 27:[12, 60, 32], Operations: ['89-57=32'] Exploring Operation: 60/12=5, Resulting Numbers: [32, 5] Generated Node #0,1,3: 27:[32, 5] Operation: 60/12=5 Moving to Node #0,1,3 Current State: 27:[32, 5], Operations: ['89-57=32', '60/12=5'] Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
sum_heuristic
[ 10, 15, 83, 78 ]
65
[ "83-78=5", "10*5=50", "15+50=65" ]
Current State: 65:[10, 15, 83, 78], Operations: [] Exploring Operation: 83-78=5, Resulting Numbers: [10, 15, 5] Generated Node #2: [10, 15, 5] from Operation: 83-78=5 Current State: 65:[10, 15, 5], Operations: ['83-78=5'] Exploring Operation: 10*5=50, Resulting Numbers: [15, 50] Generated Node #3: [15, 50] from Operation: 10*5=50 Current State: 65:[15, 50], Operations: ['83-78=5', '10*5=50'] Exploring Operation: 15+50=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[10, 15, 83, 78], Operations: [] Exploring Operation: 83-10=73, Resulting Numbers: [15, 78, 73] Generated Node #0,0: 65:[15, 78, 73] Operation: 83-10=73 Exploring Operation: 78-15=63, Resulting Numbers: [10, 83, 63] Generated Node #0,1: 65:[10, 83, 63] Operation: 78-15=63 Exploring Operation: 78-10=68, Resulting Numbers: [15, 83, 68] Generated Node #0,2: 65:[15, 83, 68] Operation: 78-10=68 Exploring Operation: 83-78=5, Resulting Numbers: [10, 15, 5] Generated Node #0,3: 65:[10, 15, 5] Operation: 83-78=5 Exploring Operation: 83-15=68, Resulting Numbers: [10, 78, 68] Generated Node #0,4: 65:[10, 78, 68] Operation: 83-15=68 Start Sub Search at level 1: Moving to Node #0,3 Current State: 65:[10, 15, 5], Operations: ['83-78=5'] Exploring Operation: 15-10=5, Resulting Numbers: [5, 5] Generated Node #0,3,0: 65:[5, 5] Operation: 15-10=5 Exploring Operation: 10-5=5, Resulting Numbers: [15, 5] Generated Node #0,3,1: 65:[15, 5] Operation: 10-5=5 Exploring Operation: 10+5=15, Resulting Numbers: [15, 15] Generated Node #0,3,2: 65:[15, 15] Operation: 10+5=15 Exploring Operation: 15/5=3, Resulting Numbers: [10, 3] Generated Node #0,3,3: 65:[10, 3] Operation: 15/5=3 Exploring Operation: 10/5=2, Resulting Numbers: [15, 2] Generated Node #0,3,4: 65:[15, 2] Operation: 10/5=2 Moving to Node #0,3,0 Current State: 65:[5, 5], Operations: ['83-78=5', '15-10=5'] Exploring Operation: 5+5=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,65 unequal: No Solution Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,65 unequal: No Solution Moving to Node #0,3,1 Current State: 65:[15, 5], Operations: ['83-78=5', '10-5=5'] Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,65 unequal: No Solution Moving to Node #0,3,2 Current State: 65:[15, 15], Operations: ['83-78=5', '10+5=15'] Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 15-15=0, Resulting Numbers: [0] 0,65 unequal: No Solution Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 15*15=225, Resulting Numbers: [225] 225,65 unequal: No Solution Moving to Node #0,3,3 Current State: 65:[10, 3], Operations: ['83-78=5', '15/5=3'] Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,65 unequal: No Solution Exploring Operation: 10+3=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,65 unequal: No Solution Moving to Node #0,3,4 Current State: 65:[15, 2], Operations: ['83-78=5', '10/5=2'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,65 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,65 unequal: No Solution Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 65:[10, 78, 68], Operations: ['83-15=68'] Exploring Operation: 68-10=58, Resulting Numbers: [78, 58] Generated Node #0,4,0: 65:[78, 58] Operation: 68-10=58 Exploring Operation: 78-68=10, Resulting Numbers: [10, 10] Generated Node #0,4,1: 65:[10, 10] Operation: 78-68=10 Exploring Operation: 10+78=88, Resulting Numbers: [68, 88] Generated Node #0,4,2: 65:[68, 88] Operation: 10+78=88 Exploring Operation: 10+68=78, Resulting Numbers: [78, 78] Generated Node #0,4,3: 65:[78, 78] Operation: 10+68=78 Exploring Operation: 78-10=68, Resulting Numbers: [68, 68] Generated Node #0,4,4: 65:[68, 68] Operation: 78-10=68 Moving to Node #0,4,1 Current State: 65:[10, 10], Operations: ['83-15=68', '78-68=10'] Exploring Operation: 10+10=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 10*10=100, Resulting Numbers: [100] 100,65 unequal: No Solution Exploring Operation: 10/10=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 10-10=0, Resulting Numbers: [0] 0,65 unequal: No Solution Moving to Node #0,4,4 Current State: 65:[68, 68], Operations: ['83-15=68', '78-10=68'] Exploring Operation: 68*68=4624, Resulting Numbers: [4624] 4624,65 unequal: No Solution Exploring Operation: 68-68=0, Resulting Numbers: [0] 0,65 unequal: No Solution Exploring Operation: 68+68=136, Resulting Numbers: [136] 136,65 unequal: No Solution Exploring Operation: 68/68=1, Resulting Numbers: [1] 1,65 unequal: No Solution Moving to Node #0,4,0 Current State: 65:[78, 58], Operations: ['83-15=68', '68-10=58'] Exploring Operation: 78+58=136, Resulting Numbers: [136] 136,65 unequal: No Solution Exploring Operation: 78-58=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 78*58=4524, Resulting Numbers: [4524] 4524,65 unequal: No Solution Moving to Node #0,4,2 Current State: 65:[68, 88], Operations: ['83-15=68', '10+78=88'] Exploring Operation: 88-68=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 68+88=156, Resulting Numbers: [156] 156,65 unequal: No Solution Exploring Operation: 68*88=5984, Resulting Numbers: [5984] 5984,65 unequal: No Solution Moving to Node #0,4,3 Current State: 65:[78, 78], Operations: ['83-15=68', '10+68=78'] Exploring Operation: 78/78=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 78*78=6084, Resulting Numbers: [6084] 6084,65 unequal: No Solution Exploring Operation: 78+78=156, Resulting Numbers: [156] 156,65 unequal: No Solution Exploring Operation: 78-78=0, Resulting Numbers: [0] 0,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[15, 78, 73], Operations: ['83-10=73'] Exploring Operation: 78-15=63, Resulting Numbers: [73, 63] Generated Node #0,0,0: 65:[73, 63] Operation: 78-15=63 Exploring Operation: 73-15=58, Resulting Numbers: [78, 58] Generated Node #0,0,1: 65:[78, 58] Operation: 73-15=58 Exploring Operation: 15+78=93, Resulting Numbers: [73, 93] Generated Node #0,0,2: 65:[73, 93] Operation: 15+78=93 Exploring Operation: 15+73=88, Resulting Numbers: [78, 88] Generated Node #0,0,3: 65:[78, 88] Operation: 15+73=88 Exploring Operation: 78-73=5, Resulting Numbers: [15, 5] Generated Node #0,0,4: 65:[15, 5] Operation: 78-73=5 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 65:[15, 5], Operations: ['83-10=73', '78-73=5'] Exploring Operation: 15-5=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 15*5=75, Resulting Numbers: [75] 75,65 unequal: No Solution Exploring Operation: 15+5=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 15/5=3, Resulting Numbers: [3] 3,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[73, 63], Operations: ['83-10=73', '78-15=63'] Exploring Operation: 73*63=4599, Resulting Numbers: [4599] 4599,65 unequal: No Solution Exploring Operation: 73-63=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 73+63=136, Resulting Numbers: [136] 136,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[78, 58], Operations: ['83-10=73', '73-15=58'] Exploring Operation: 78*58=4524, Resulting Numbers: [4524] 4524,65 unequal: No Solution Exploring Operation: 78+58=136, Resulting Numbers: [136] 136,65 unequal: No Solution Exploring Operation: 78-58=20, Resulting Numbers: [20] 20,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 65:[73, 93], Operations: ['83-10=73', '15+78=93'] Exploring Operation: 93-73=20, Resulting Numbers: [20] 20,65 unequal: No Solution Exploring Operation: 73*93=6789, Resulting Numbers: [6789] 6789,65 unequal: No Solution Exploring Operation: 73+93=166, Resulting Numbers: [166] 166,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 65:[78, 88], Operations: ['83-10=73', '15+73=88'] Exploring Operation: 88-78=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 78*88=6864, Resulting Numbers: [6864] 6864,65 unequal: No Solution Exploring Operation: 78+88=166, Resulting Numbers: [166] 166,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 65:[10, 83, 63], Operations: ['78-15=63'] Exploring Operation: 10+83=93, Resulting Numbers: [63, 93] Generated Node #0,1,0: 65:[63, 93] Operation: 10+83=93 Exploring Operation: 83-63=20, Resulting Numbers: [10, 20] Generated Node #0,1,1: 65:[10, 20] Operation: 83-63=20 Exploring Operation: 63-10=53, Resulting Numbers: [83, 53] Generated Node #0,1,2: 65:[83, 53] Operation: 63-10=53 Exploring Operation: 10+63=73, Resulting Numbers: [83, 73] Generated Node #0,1,3: 65:[83, 73] Operation: 10+63=73 Exploring Operation: 83-10=73, Resulting Numbers: [63, 73] Generated Node #0,1,4: 65:[63, 73] Operation: 83-10=73 Moving to Node #0,1,1 Current State: 65:[10, 20], Operations: ['78-15=63', '83-63=20'] Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,65 unequal: No Solution Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 10*20=200, Resulting Numbers: [200] 200,65 unequal: No Solution Exploring Operation: 10+20=30, Resulting Numbers: [30] 30,65 unequal: No Solution Moving to Node #0,1,4 Current State: 65:[63, 73], Operations: ['78-15=63', '83-10=73'] Exploring Operation: 73-63=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 63+73=136, Resulting Numbers: [136] 136,65 unequal: No Solution Exploring Operation: 63*73=4599, Resulting Numbers: [4599] 4599,65 unequal: No Solution Moving to Node #0,1,3 Current State: 65:[83, 73], Operations: ['78-15=63', '10+63=73'] Exploring Operation: 83-73=10, Resulting Numbers: [10] 10,65 unequal: No Solution Exploring Operation: 83*73=6059, Resulting Numbers: [6059] 6059,65 unequal: No Solution Exploring Operation: 83+73=156, Resulting Numbers: [156] 156,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[63, 93], Operations: ['78-15=63', '10+83=93'] Exploring Operation: 93-63=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 63*93=5859, Resulting Numbers: [5859] 5859,65 unequal: No Solution Exploring Operation: 63+93=156, Resulting Numbers: [156] 156,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[83, 53], Operations: ['78-15=63', '63-10=53'] Exploring Operation: 83+53=136, Resulting Numbers: [136] 136,65 unequal: No Solution Exploring Operation: 83-53=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 83*53=4399, Resulting Numbers: [4399] 4399,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 65:[15, 83, 68], Operations: ['78-10=68'] Exploring Operation: 83-68=15, Resulting Numbers: [15, 15] Generated Node #0,2,0: 65:[15, 15] Operation: 83-68=15 Exploring Operation: 15+68=83, Resulting Numbers: [83, 83] Generated Node #0,2,1: 65:[83, 83] Operation: 15+68=83 Exploring Operation: 83-15=68, Resulting Numbers: [68, 68] Generated Node #0,2,2: 65:[68, 68] Operation: 83-15=68 Exploring Operation: 68-15=53, Resulting Numbers: [83, 53] Generated Node #0,2,3: 65:[83, 53] Operation: 68-15=53 Exploring Operation: 15+83=98, Resulting Numbers: [68, 98] Generated Node #0,2,4: 65:[68, 98] Operation: 15+83=98 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 65:[15, 15], Operations: ['78-10=68', '83-68=15'] Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 15+15=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 15-15=0, Resulting Numbers: [0] 0,65 unequal: No Solution Exploring Operation: 15*15=225, Resulting Numbers: [225] 225,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 65:[68, 68], Operations: ['78-10=68', '83-15=68'] Exploring Operation: 68+68=136, Resulting Numbers: [136] 136,65 unequal: No Solution Exploring Operation: 68/68=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 68*68=4624, Resulting Numbers: [4624] 4624,65 unequal: No Solution Exploring Operation: 68-68=0, Resulting Numbers: [0] 0,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 65:[83, 53], Operations: ['78-10=68', '68-15=53'] Exploring Operation: 83+53=136, Resulting Numbers: [136] 136,65 unequal: No Solution Exploring Operation: 83-53=30, Resulting Numbers: [30] 30,65 unequal: No Solution Exploring Operation: 83*53=4399, Resulting Numbers: [4399] 4399,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 65:[83, 83], Operations: ['78-10=68', '15+68=83'] Exploring Operation: 83-83=0, Resulting Numbers: [0] 0,65 unequal: No Solution Exploring Operation: 83/83=1, Resulting Numbers: [1] 1,65 unequal: No Solution Exploring Operation: 83*83=6889, Resulting Numbers: [6889] 6889,65 unequal: No Solution Exploring Operation: 83+83=166, Resulting Numbers: [166] 166,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 65:[68, 98], Operations: ['78-10=68', '15+83=98'] Exploring Operation: 68*98=6664, Resulting Numbers: [6664] 6664,65 unequal: No Solution Exploring Operation: 68+98=166, Resulting Numbers: [166] 166,65 unequal: No Solution Exploring Operation: 98-68=30, Resulting Numbers: [30] 30,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 44, 25, 58, 49 ]
28
[ "44-25=19", "58-49=9", "19+9=28" ]
Current State: 28:[44, 25, 58, 49], Operations: [] Exploring Operation: 44-25=19, Resulting Numbers: [58, 49, 19] Generated Node #2: [58, 49, 19] from Operation: 44-25=19 Current State: 28:[58, 49, 19], Operations: ['44-25=19'] Exploring Operation: 58-49=9, Resulting Numbers: [19, 9] Generated Node #3: [19, 9] from Operation: 58-49=9 Current State: 28:[19, 9], Operations: ['44-25=19', '58-49=9'] Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[44, 25, 58, 49], Operations: [] Exploring Operation: 58-49=9, Resulting Numbers: [44, 25, 9] Generated Node #0,0: 28:[44, 25, 9] Operation: 58-49=9 Moving to Node #0,0 Current State: 28:[44, 25, 9], Operations: ['58-49=9'] Exploring Operation: 44-25=19, Resulting Numbers: [9, 19] Generated Node #0,0,0: 28:[9, 19] Operation: 44-25=19 Moving to Node #0,0,0 Current State: 28:[9, 19], Operations: ['58-49=9', '44-25=19'] Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[44, 25, 58, 49], Operations: [] Exploring Operation: 58-49=9, Resulting Numbers: [44, 25, 9] Generated Node #0,0: 28:[44, 25, 9] Operation: 58-49=9 Moving to Node #0,0 Current State: 28:[44, 25, 9], Operations: ['58-49=9'] Exploring Operation: 44-25=19, Resulting Numbers: [9, 19] Generated Node #0,0,0: 28:[9, 19] Operation: 44-25=19 Moving to Node #0,0,0 Current State: 28:[9, 19], Operations: ['58-49=9', '44-25=19'] Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 71, 85, 71, 3 ]
89
[ "71/71=1", "85+3=88", "1+88=89" ]
Current State: 89:[71, 85, 71, 3], Operations: [] Exploring Operation: 71/71=1, Resulting Numbers: [85, 3, 1] Generated Node #2: [85, 3, 1] from Operation: 71/71=1 Current State: 89:[85, 3, 1], Operations: ['71/71=1'] Exploring Operation: 85+3=88, Resulting Numbers: [1, 88] Generated Node #3: [1, 88] from Operation: 85+3=88 Current State: 89:[1, 88], Operations: ['71/71=1', '85+3=88'] Exploring Operation: 1+88=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[71, 85, 71, 3], Operations: [] Exploring Operation: 71-3=68, Resulting Numbers: [85, 71, 68] Generated Node #0,0: 89:[85, 71, 68] Operation: 71-3=68 Exploring Operation: 71+3=74, Resulting Numbers: [85, 71, 74] Generated Node #0,1: 89:[85, 71, 74] Operation: 71+3=74 Exploring Operation: 71+3=74, Resulting Numbers: [71, 85, 74] Generated Node #0,2: 89:[71, 85, 74] Operation: 71+3=74 Exploring Operation: 85+3=88, Resulting Numbers: [71, 71, 88] Generated Node #0,3: 89:[71, 71, 88] Operation: 85+3=88 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[85, 71, 74], Operations: ['71+3=74'] Exploring Operation: 85-71=14, Resulting Numbers: [74, 14] Generated Node #0,1,0: 89:[74, 14] Operation: 85-71=14 Exploring Operation: 71+74=145, Resulting Numbers: [85, 145] Generated Node #0,1,1: 89:[85, 145] Operation: 71+74=145 Exploring Operation: 85+74=159, Resulting Numbers: [71, 159] Generated Node #0,1,2: 89:[71, 159] Operation: 85+74=159 Exploring Operation: 85+71=156, Resulting Numbers: [74, 156] Generated Node #0,1,3: 89:[74, 156] Operation: 85+71=156 Moving to Node #0,1,1 Current State: 89:[85, 145], Operations: ['71+3=74', '71+74=145'] Exploring Operation: 85+145=230, Resulting Numbers: [230] 230,89 unequal: No Solution Exploring Operation: 85*145=12325, Resulting Numbers: [12325] 12325,89 unequal: No Solution Exploring Operation: 145-85=60, Resulting Numbers: [60] 60,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[74, 156], Operations: ['71+3=74', '85+71=156'] Exploring Operation: 74+156=230, Resulting Numbers: [230] 230,89 unequal: No Solution Exploring Operation: 74*156=11544, Resulting Numbers: [11544] 11544,89 unequal: No Solution Exploring Operation: 156-74=82, Resulting Numbers: [82] 82,89 unequal: No Solution Moving to Node #0,1,2 Current State: 89:[71, 159], Operations: ['71+3=74', '85+74=159'] Exploring Operation: 71*159=11289, Resulting Numbers: [11289] 11289,89 unequal: No Solution Exploring Operation: 159-71=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 71+159=230, Resulting Numbers: [230] 230,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[74, 14], Operations: ['71+3=74', '85-71=14'] Exploring Operation: 74+14=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 74*14=1036, Resulting Numbers: [1036] 1036,89 unequal: No Solution Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[71, 85, 74], Operations: ['71+3=74'] Exploring Operation: 85+74=159, Resulting Numbers: [71, 159] Generated Node #0,2,0: 89:[71, 159] Operation: 85+74=159 Exploring Operation: 71+74=145, Resulting Numbers: [85, 145] Generated Node #0,2,1: 89:[85, 145] Operation: 71+74=145 Exploring Operation: 71+85=156, Resulting Numbers: [74, 156] Generated Node #0,2,2: 89:[74, 156] Operation: 71+85=156 Exploring Operation: 85-71=14, Resulting Numbers: [74, 14] Generated Node #0,2,3: 89:[74, 14] Operation: 85-71=14 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[85, 145], Operations: ['71+3=74', '71+74=145'] Exploring Operation: 85+145=230, Resulting Numbers: [230] 230,89 unequal: No Solution Exploring Operation: 145-85=60, Resulting Numbers: [60] 60,89 unequal: No Solution Exploring Operation: 85*145=12325, Resulting Numbers: [12325] 12325,89 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 #0,2,2 Current State: 89:[74, 156], Operations: ['71+3=74', '71+85=156'] Exploring Operation: 74*156=11544, Resulting Numbers: [11544] 11544,89 unequal: No Solution Exploring Operation: 74+156=230, Resulting Numbers: [230] 230,89 unequal: No Solution Exploring Operation: 156-74=82, Resulting Numbers: [82] 82,89 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 #0,2,0 Current State: 89:[71, 159], Operations: ['71+3=74', '85+74=159'] Exploring Operation: 71*159=11289, Resulting Numbers: [11289] 11289,89 unequal: No Solution Exploring Operation: 159-71=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 71+159=230, Resulting Numbers: [230] 230,89 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 #0,2,3 Current State: 89:[74, 14], Operations: ['71+3=74', '85-71=14'] Exploring Operation: 74*14=1036, Resulting Numbers: [1036] 1036,89 unequal: No Solution Exploring Operation: 74+14=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 74-14=60, Resulting Numbers: [60] 60,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 89:[71, 71, 88], Operations: ['85+3=88'] Exploring Operation: 71+88=159, Resulting Numbers: [71, 159] Generated Node #0,3,0: 89:[71, 159] Operation: 71+88=159 Exploring Operation: 71+71=142, Resulting Numbers: [88, 142] Generated Node #0,3,1: 89:[88, 142] Operation: 71+71=142 Exploring Operation: 71/71=1, Resulting Numbers: [88, 1] Generated Node #0,3,2: 89:[88, 1] Operation: 71/71=1 Exploring Operation: 71+88=159, Resulting Numbers: [71, 159] Generated Node #0,3,3: 89:[71, 159] Operation: 71+88=159 Moving to Node #0,3,1 Current State: 89:[88, 142], Operations: ['85+3=88', '71+71=142'] Exploring Operation: 88*142=12496, Resulting Numbers: [12496] 12496,89 unequal: No Solution Exploring Operation: 88+142=230, Resulting Numbers: [230] 230,89 unequal: No Solution Exploring Operation: 142-88=54, Resulting Numbers: [54] 54,89 unequal: No Solution Moving to Node #0,3,3 Current State: 89:[71, 159], Operations: ['85+3=88', '71+88=159'] Exploring Operation: 71+159=230, Resulting Numbers: [230] 230,89 unequal: No Solution Exploring Operation: 71*159=11289, Resulting Numbers: [11289] 11289,89 unequal: No Solution Exploring Operation: 159-71=88, Resulting Numbers: [88] 88,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[71, 159], Operations: ['85+3=88', '71+88=159'] Exploring Operation: 71+159=230, Resulting Numbers: [230] 230,89 unequal: No Solution Exploring Operation: 159-71=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 71*159=11289, Resulting Numbers: [11289] 11289,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[88, 1], Operations: ['85+3=88', '71/71=1'] Exploring Operation: 88*1=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[71, 85, 71, 3], Operations: [] Exploring Operation: 85+3=88, Resulting Numbers: [71, 71, 88] Generated Node #0,3: 89:[71, 71, 88] Operation: 85+3=88 Moving to Node #0,3 Current State: 89:[71, 71, 88], Operations: ['85+3=88'] Exploring Operation: 71/71=1, Resulting Numbers: [88, 1] Generated Node #0,3,2: 89:[88, 1] Operation: 71/71=1 Moving to Node #0,3,2 Current State: 89:[88, 1], Operations: ['85+3=88', '71/71=1'] Exploring Operation: 88+1=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.952257
hs_4
mult_heuristic
[ 40, 82, 6, 85 ]
58
[ "85-82=3", "6*3=18", "40+18=58" ]
Current State: 58:[40, 82, 6, 85], Operations: [] Exploring Operation: 85-82=3, Resulting Numbers: [40, 6, 3] Generated Node #2: [40, 6, 3] from Operation: 85-82=3 Current State: 58:[40, 6, 3], Operations: ['85-82=3'] Exploring Operation: 6*3=18, Resulting Numbers: [40, 18] Generated Node #3: [40, 18] from Operation: 6*3=18 Current State: 58:[40, 18], Operations: ['85-82=3', '6*3=18'] Exploring Operation: 40+18=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[40, 82, 6, 85], Operations: [] Exploring Operation: 85-82=3, Resulting Numbers: [40, 6, 3] Generated Node #0,0: 58:[40, 6, 3] Operation: 85-82=3 Exploring Operation: 85-40=45, Resulting Numbers: [82, 6, 45] Generated Node #0,1: 58:[82, 6, 45] Operation: 85-40=45 Moving to Node #0,0 Current State: 58:[40, 6, 3], Operations: ['85-82=3'] Exploring Operation: 40-6=34, Resulting Numbers: [3, 34] Generated Node #0,0,0: 58:[3, 34] Operation: 40-6=34 Exploring Operation: 6/3=2, Resulting Numbers: [40, 2] Generated Node #0,0,1: 58:[40, 2] Operation: 6/3=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[3, 34], Operations: ['85-82=3', '40-6=34'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 58:[40, 2], Operations: ['85-82=3', '6/3=2'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,58 unequal: No Solution Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,58 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:[82, 6, 45], Operations: ['85-40=45'] Exploring Operation: 82-45=37, Resulting Numbers: [6, 37] Generated Node #0,1,0: 58:[6, 37] Operation: 82-45=37 Exploring Operation: 82-6=76, Resulting Numbers: [45, 76] Generated Node #0,1,1: 58:[45, 76] Operation: 82-6=76 Moving to Node #0,1,0 Current State: 58:[6, 37], Operations: ['85-40=45', '82-45=37'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[45, 76], Operations: ['85-40=45', '82-6=76'] Exploring Operation: 45+76=121, Resulting Numbers: [121] 121,58 unequal: No Solution Exploring Operation: 76-45=31, Resulting Numbers: [31] 31,58 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 24, 63, 42, 65 ]
64
[ "24+63=87", "65-42=23", "87-23=64" ]
Current State: 64:[24, 63, 42, 65], Operations: [] Exploring Operation: 24+63=87, Resulting Numbers: [42, 65, 87] Generated Node #2: [42, 65, 87] from Operation: 24+63=87 Current State: 64:[42, 65, 87], Operations: ['24+63=87'] Exploring Operation: 65-42=23, Resulting Numbers: [87, 23] Generated Node #3: [87, 23] from Operation: 65-42=23 Current State: 64:[87, 23], Operations: ['24+63=87', '65-42=23'] Exploring Operation: 87-23=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[24, 63, 42, 65], Operations: [] Exploring Operation: 24+42=66, Resulting Numbers: [63, 65, 66] Generated Node #0,0: 64:[63, 65, 66] Operation: 24+42=66 Moving to Node #0,0 Current State: 64:[63, 65, 66], Operations: ['24+42=66'] Exploring Operation: 65-63=2, Resulting Numbers: [66, 2] Generated Node #0,0,0: 64:[66, 2] Operation: 65-63=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[66, 2], Operations: ['24+42=66', '65-63=2'] Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[24, 63, 42, 65], Operations: [] Exploring Operation: 24+42=66, Resulting Numbers: [63, 65, 66] Generated Node #0,0: 64:[63, 65, 66] Operation: 24+42=66 Moving to Node #0,0 Current State: 64:[63, 65, 66], Operations: ['24+42=66'] Exploring Operation: 65-63=2, Resulting Numbers: [66, 2] Generated Node #0,0,0: 64:[66, 2] Operation: 65-63=2 Moving to Node #0,0,0 Current State: 64:[66, 2], Operations: ['24+42=66', '65-63=2'] Exploring Operation: 66-2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 3, 76, 73, 17 ]
60
[ "3+17=20", "76-73=3", "20*3=60" ]
Current State: 60:[3, 76, 73, 17], Operations: [] Exploring Operation: 3+17=20, Resulting Numbers: [76, 73, 20] Generated Node #2: [76, 73, 20] from Operation: 3+17=20 Current State: 60:[76, 73, 20], Operations: ['3+17=20'] Exploring Operation: 76-73=3, Resulting Numbers: [20, 3] Generated Node #3: [20, 3] from Operation: 76-73=3 Current State: 60:[20, 3], Operations: ['3+17=20', '76-73=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[3, 76, 73, 17], Operations: [] Exploring Operation: 73-17=56, Resulting Numbers: [3, 76, 56] Generated Node #0,0: 60:[3, 76, 56] Operation: 73-17=56 Exploring Operation: 76-73=3, Resulting Numbers: [3, 17, 3] Generated Node #0,1: 60:[3, 17, 3] Operation: 76-73=3 Exploring Operation: 76-17=59, Resulting Numbers: [3, 73, 59] Generated Node #0,2: 60:[3, 73, 59] Operation: 76-17=59 Moving to Node #0,1 Current State: 60:[3, 17, 3], Operations: ['76-73=3'] Exploring Operation: 17+3=20, Resulting Numbers: [3, 20] Generated Node #0,1,0: 60:[3, 20] Operation: 17+3=20 Exploring Operation: 17-3=14, Resulting Numbers: [3, 14] Generated Node #0,1,1: 60:[3, 14] Operation: 17-3=14 Exploring Operation: 3+17=20, Resulting Numbers: [3, 20] Generated Node #0,1,2: 60:[3, 20] Operation: 3+17=20 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 60:[3, 20], Operations: ['76-73=3', '17+3=20'] Exploring Operation: 3+20=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[3, 76, 73, 17], Operations: [] Exploring Operation: 76-73=3, Resulting Numbers: [3, 17, 3] Generated Node #0,1: 60:[3, 17, 3] Operation: 76-73=3 Moving to Node #0,1 Current State: 60:[3, 17, 3], Operations: ['76-73=3'] Exploring Operation: 17+3=20, Resulting Numbers: [3, 20] Generated Node #0,1,0: 60:[3, 20] Operation: 17+3=20 Moving to Node #0,1,0 Current State: 60:[3, 20], Operations: ['76-73=3', '17+3=20'] Exploring Operation: 3*20=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 40, 94, 2, 23 ]
32
[ "40+23=63", "2*63=126", "126-94=32" ]
Current State: 32:[40, 94, 2, 23], Operations: [] Exploring Operation: 40+23=63, Resulting Numbers: [94, 2, 63] Generated Node #2: [94, 2, 63] from Operation: 40+23=63 Current State: 32:[94, 2, 63], Operations: ['40+23=63'] Exploring Operation: 2*63=126, Resulting Numbers: [94, 126] Generated Node #3: [94, 126] from Operation: 2*63=126 Current State: 32:[94, 126], Operations: ['40+23=63', '2*63=126'] Exploring Operation: 126-94=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[40, 94, 2, 23], Operations: [] Exploring Operation: 94-40=54, Resulting Numbers: [2, 23, 54] Generated Node #0,0: 32:[2, 23, 54] Operation: 94-40=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[2, 23, 54], Operations: ['94-40=54'] Exploring Operation: 54-23=31, Resulting Numbers: [2, 31] Generated Node #0,0,0: 32:[2, 31] Operation: 54-23=31 Moving to Node #0,0,0 Current State: 32:[2, 31], Operations: ['94-40=54', '54-23=31'] Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 10, 11, 54, 3 ]
11
[ "10+11=21", "54-21=33", "33/3=11" ]
Current State: 11:[10, 11, 54, 3], Operations: [] Exploring Operation: 10+11=21, Resulting Numbers: [54, 3, 21] Generated Node #2: [54, 3, 21] from Operation: 10+11=21 Current State: 11:[54, 3, 21], Operations: ['10+11=21'] Exploring Operation: 54-21=33, Resulting Numbers: [3, 33] Generated Node #3: [3, 33] from Operation: 54-21=33 Current State: 11:[3, 33], Operations: ['10+11=21', '54-21=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[10, 11, 54, 3], Operations: [] Exploring Operation: 54-10=44, Resulting Numbers: [11, 3, 44] Generated Node #0,0: 11:[11, 3, 44] Operation: 54-10=44 Exploring Operation: 54/3=18, Resulting Numbers: [10, 11, 18] Generated Node #0,1: 11:[10, 11, 18] Operation: 54/3=18 Exploring Operation: 54-11=43, Resulting Numbers: [10, 3, 43] Generated Node #0,2: 11:[10, 3, 43] Operation: 54-11=43 Exploring Operation: 54-3=51, Resulting Numbers: [10, 11, 51] Generated Node #0,3: 11:[10, 11, 51] Operation: 54-3=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[10, 11, 18], Operations: ['54/3=18'] Exploring Operation: 18-10=8, Resulting Numbers: [11, 8] Generated Node #0,1,0: 11:[11, 8] Operation: 18-10=8 Exploring Operation: 11-10=1, Resulting Numbers: [18, 1] Generated Node #0,1,1: 11:[18, 1] Operation: 11-10=1 Exploring Operation: 10+11=21, Resulting Numbers: [18, 21] Generated Node #0,1,2: 11:[18, 21] Operation: 10+11=21 Exploring Operation: 18-11=7, Resulting Numbers: [10, 7] Generated Node #0,1,3: 11:[10, 7] Operation: 18-11=7 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[11, 8], Operations: ['54/3=18', '18-10=8'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,11 unequal: No Solution Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 11:[10, 7], Operations: ['54/3=18', '18-11=7'] Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 10+7=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 10*7=70, Resulting Numbers: [70] 70,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[18, 1], Operations: ['54/3=18', '11-10=1'] Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[18, 21], Operations: ['54/3=18', '10+11=21'] Exploring Operation: 18*21=378, Resulting Numbers: [378] 378,11 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 18+21=39, Resulting Numbers: [39] 39,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[11, 3, 44], Operations: ['54-10=44'] Exploring Operation: 44-3=41, Resulting Numbers: [11, 41] Generated Node #0,0,0: 11:[11, 41] Operation: 44-3=41 Exploring Operation: 44-11=33, Resulting Numbers: [3, 33] Generated Node #0,0,1: 11:[3, 33] Operation: 44-11=33 Exploring Operation: 44/11=4, Resulting Numbers: [3, 4] Generated Node #0,0,2: 11:[3, 4] Operation: 44/11=4 Exploring Operation: 11+3=14, Resulting Numbers: [44, 14] Generated Node #0,0,3: 11:[44, 14] Operation: 11+3=14 Moving to Node #0,0,2 Current State: 11:[3, 4], Operations: ['54-10=44', '44/11=4'] Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,11 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[3, 33], Operations: ['54-10=44', '44-11=33'] Exploring Operation: 3+33=36, Resulting Numbers: [36] 36,11 unequal: No Solution Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[10, 11, 54, 3], Operations: [] Exploring Operation: 54-10=44, Resulting Numbers: [11, 3, 44] Generated Node #0,0: 11:[11, 3, 44] Operation: 54-10=44 Moving to Node #0,0 Current State: 11:[11, 3, 44], Operations: ['54-10=44'] Exploring Operation: 44-11=33, Resulting Numbers: [3, 33] Generated Node #0,0,1: 11:[3, 33] Operation: 44-11=33 Moving to Node #0,0,1 Current State: 11:[3, 33], Operations: ['54-10=44', '44-11=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
mult_heuristic
[ 11, 62, 77, 6 ]
32
[ "62-11=51", "77+6=83", "83-51=32" ]
Current State: 32:[11, 62, 77, 6], Operations: [] Exploring Operation: 62-11=51, Resulting Numbers: [77, 6, 51] Generated Node #2: [77, 6, 51] from Operation: 62-11=51 Current State: 32:[77, 6, 51], Operations: ['62-11=51'] Exploring Operation: 77+6=83, Resulting Numbers: [51, 83] Generated Node #3: [51, 83] from Operation: 77+6=83 Current State: 32:[51, 83], Operations: ['62-11=51', '77+6=83'] Exploring Operation: 83-51=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[11, 62, 77, 6], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [11, 6, 15] Generated Node #0,0: 32:[11, 6, 15] Operation: 77-62=15 Exploring Operation: 77/11=7, Resulting Numbers: [62, 6, 7] Generated Node #0,1: 32:[62, 6, 7] Operation: 77/11=7 Moving to Node #0,0 Current State: 32:[11, 6, 15], Operations: ['77-62=15'] Exploring Operation: 11+6=17, Resulting Numbers: [15, 17] Generated Node #0,0,0: 32:[15, 17] Operation: 11+6=17 Exploring Operation: 11-6=5, Resulting Numbers: [15, 5] Generated Node #0,0,1: 32:[15, 5] Operation: 11-6=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[15, 17], Operations: ['77-62=15', '11+6=17'] Exploring Operation: 17-15=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[11, 62, 77, 6], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [11, 6, 15] Generated Node #0,0: 32:[11, 6, 15] Operation: 77-62=15 Moving to Node #0,0 Current State: 32:[11, 6, 15], Operations: ['77-62=15'] Exploring Operation: 11+6=17, Resulting Numbers: [15, 17] Generated Node #0,0,0: 32:[15, 17] Operation: 11+6=17 Moving to Node #0,0,0 Current State: 32:[15, 17], Operations: ['77-62=15', '11+6=17'] Exploring Operation: 15+17=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 54, 12, 73, 92 ]
24
[ "54+92=146", "12*146=1752", "1752/73=24" ]
Current State: 24:[54, 12, 73, 92], Operations: [] Exploring Operation: 54+92=146, Resulting Numbers: [12, 73, 146] Generated Node #2: [12, 73, 146] from Operation: 54+92=146 Current State: 24:[12, 73, 146], Operations: ['54+92=146'] Exploring Operation: 12*146=1752, Resulting Numbers: [73, 1752] Generated Node #3: [73, 1752] from Operation: 12*146=1752 Current State: 24:[73, 1752], Operations: ['54+92=146', '12*146=1752'] Exploring Operation: 1752/73=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[54, 12, 73, 92], Operations: [] Exploring Operation: 73-12=61, Resulting Numbers: [54, 92, 61] Generated Node #0,0: 24:[54, 92, 61] Operation: 73-12=61 Exploring Operation: 73-54=19, Resulting Numbers: [12, 92, 19] Generated Node #0,1: 24:[12, 92, 19] Operation: 73-54=19 Exploring Operation: 54-12=42, Resulting Numbers: [73, 92, 42] Generated Node #0,2: 24:[73, 92, 42] Operation: 54-12=42 Exploring Operation: 92-54=38, Resulting Numbers: [12, 73, 38] Generated Node #0,3: 24:[12, 73, 38] Operation: 92-54=38 Exploring Operation: 92-73=19, Resulting Numbers: [54, 12, 19] Generated Node #0,4: 24:[54, 12, 19] Operation: 92-73=19 Start Sub Search at level 1: Moving to Node #0,4 Current State: 24:[54, 12, 19], Operations: ['92-73=19'] Exploring Operation: 54+12=66, Resulting Numbers: [19, 66] Generated Node #0,4,0: 24:[19, 66] Operation: 54+12=66 Exploring Operation: 19-12=7, Resulting Numbers: [54, 7] Generated Node #0,4,1: 24:[54, 7] Operation: 19-12=7 Exploring Operation: 54-12=42, Resulting Numbers: [19, 42] Generated Node #0,4,2: 24:[19, 42] Operation: 54-12=42 Exploring Operation: 54-19=35, Resulting Numbers: [12, 35] Generated Node #0,4,3: 24:[12, 35] Operation: 54-19=35 Exploring Operation: 12+19=31, Resulting Numbers: [54, 31] Generated Node #0,4,4: 24:[54, 31] Operation: 12+19=31 Moving to Node #0,4,3 Current State: 24:[12, 35], Operations: ['92-73=19', '54-19=35'] Exploring Operation: 12*35=420, Resulting Numbers: [420] 420,24 unequal: No Solution Exploring Operation: 12+35=47, Resulting Numbers: [47] 47,24 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,24 unequal: No Solution Moving to Node #0,4,2 Current State: 24:[19, 42], Operations: ['92-73=19', '54-12=42'] Exploring Operation: 19+42=61, Resulting Numbers: [61] 61,24 unequal: No Solution Exploring Operation: 19*42=798, Resulting Numbers: [798] 798,24 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,24 unequal: No Solution Moving to Node #0,4,1 Current State: 24:[54, 7], Operations: ['92-73=19', '19-12=7'] Exploring Operation: 54*7=378, Resulting Numbers: [378] 378,24 unequal: No Solution Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,24 unequal: No Solution Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,24 unequal: No Solution Moving to Node #0,4,4 Current State: 24:[54, 31], Operations: ['92-73=19', '12+19=31'] Exploring Operation: 54+31=85, Resulting Numbers: [85] 85,24 unequal: No Solution Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,24 unequal: No Solution Exploring Operation: 54*31=1674, Resulting Numbers: [1674] 1674,24 unequal: No Solution Moving to Node #0,4,0 Current State: 24:[19, 66], Operations: ['92-73=19', '54+12=66'] Exploring Operation: 66-19=47, Resulting Numbers: [47] 47,24 unequal: No Solution Exploring Operation: 19+66=85, Resulting Numbers: [85] 85,24 unequal: No Solution Exploring Operation: 19*66=1254, Resulting Numbers: [1254] 1254,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 24:[12, 73, 38], Operations: ['92-54=38'] Exploring Operation: 12+38=50, Resulting Numbers: [73, 50] Generated Node #0,3,0: 24:[73, 50] Operation: 12+38=50 Exploring Operation: 38-12=26, Resulting Numbers: [73, 26] Generated Node #0,3,1: 24:[73, 26] Operation: 38-12=26 Exploring Operation: 73-12=61, Resulting Numbers: [38, 61] Generated Node #0,3,2: 24:[38, 61] Operation: 73-12=61 Exploring Operation: 12+73=85, Resulting Numbers: [38, 85] Generated Node #0,3,3: 24:[38, 85] Operation: 12+73=85 Exploring Operation: 73-38=35, Resulting Numbers: [12, 35] Generated Node #0,3,4: 24:[12, 35] Operation: 73-38=35 Moving to Node #0,3,4 Current State: 24:[12, 35], Operations: ['92-54=38', '73-38=35'] Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,24 unequal: No Solution Exploring Operation: 12+35=47, Resulting Numbers: [47] 47,24 unequal: No Solution Exploring Operation: 12*35=420, Resulting Numbers: [420] 420,24 unequal: No Solution Moving to Node #0,3,2 Current State: 24:[38, 61], Operations: ['92-54=38', '73-12=61'] Exploring Operation: 38*61=2318, Resulting Numbers: [2318] 2318,24 unequal: No Solution Exploring Operation: 61-38=23, Resulting Numbers: [23] 23,24 unequal: No Solution Exploring Operation: 38+61=99, Resulting Numbers: [99] 99,24 unequal: No Solution Moving to Node #0,3,1 Current State: 24:[73, 26], Operations: ['92-54=38', '38-12=26'] Exploring Operation: 73+26=99, Resulting Numbers: [99] 99,24 unequal: No Solution Exploring Operation: 73-26=47, Resulting Numbers: [47] 47,24 unequal: No Solution Exploring Operation: 73*26=1898, Resulting Numbers: [1898] 1898,24 unequal: No Solution Moving to Node #0,3,0 Current State: 24:[73, 50], Operations: ['92-54=38', '12+38=50'] Exploring Operation: 73-50=23, Resulting Numbers: [23] 23,24 unequal: No Solution Exploring Operation: 73+50=123, Resulting Numbers: [123] 123,24 unequal: No Solution Exploring Operation: 73*50=3650, Resulting Numbers: [3650] 3650,24 unequal: No Solution Moving to Node #0,3,3 Current State: 24:[38, 85], Operations: ['92-54=38', '12+73=85'] Exploring Operation: 38*85=3230, Resulting Numbers: [3230] 3230,24 unequal: No Solution Exploring Operation: 38+85=123, Resulting Numbers: [123] 123,24 unequal: No Solution Exploring Operation: 85-38=47, Resulting Numbers: [47] 47,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[12, 92, 19], Operations: ['73-54=19'] Exploring Operation: 12+92=104, Resulting Numbers: [19, 104] Generated Node #0,1,0: 24:[19, 104] Operation: 12+92=104 Exploring Operation: 92-19=73, Resulting Numbers: [12, 73] Generated Node #0,1,1: 24:[12, 73] Operation: 92-19=73 Exploring Operation: 19-12=7, Resulting Numbers: [92, 7] Generated Node #0,1,2: 24:[92, 7] Operation: 19-12=7 Exploring Operation: 12+19=31, Resulting Numbers: [92, 31] Generated Node #0,1,3: 24:[92, 31] Operation: 12+19=31 Exploring Operation: 92-12=80, Resulting Numbers: [19, 80] Generated Node #0,1,4: 24:[19, 80] Operation: 92-12=80 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 24:[12, 73], Operations: ['73-54=19', '92-19=73'] Exploring Operation: 12*73=876, Resulting Numbers: [876] 876,24 unequal: No Solution Exploring Operation: 12+73=85, Resulting Numbers: [85] 85,24 unequal: No Solution Exploring Operation: 73-12=61, Resulting Numbers: [61] 61,24 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 #0,1,4 Current State: 24:[19, 80], Operations: ['73-54=19', '92-12=80'] Exploring Operation: 19*80=1520, Resulting Numbers: [1520] 1520,24 unequal: No Solution Exploring Operation: 19+80=99, Resulting Numbers: [99] 99,24 unequal: No Solution Exploring Operation: 80-19=61, Resulting Numbers: [61] 61,24 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:[92, 7], Operations: ['73-54=19', '19-12=7'] Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,24 unequal: No Solution Exploring Operation: 92+7=99, Resulting Numbers: [99] 99,24 unequal: No Solution Exploring Operation: 92*7=644, Resulting Numbers: [644] 644,24 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:[92, 31], Operations: ['73-54=19', '12+19=31'] Exploring Operation: 92*31=2852, Resulting Numbers: [2852] 2852,24 unequal: No Solution Exploring Operation: 92-31=61, Resulting Numbers: [61] 61,24 unequal: No Solution Exploring Operation: 92+31=123, Resulting Numbers: [123] 123,24 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:[19, 104], Operations: ['73-54=19', '12+92=104'] Exploring Operation: 104-19=85, Resulting Numbers: [85] 85,24 unequal: No Solution Exploring Operation: 19*104=1976, Resulting Numbers: [1976] 1976,24 unequal: No Solution Exploring Operation: 19+104=123, Resulting Numbers: [123] 123,24 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 #0,0 Current State: 24:[54, 92, 61], Operations: ['73-12=61'] Exploring Operation: 61-54=7, Resulting Numbers: [92, 7] Generated Node #0,0,0: 24:[92, 7] Operation: 61-54=7 Exploring Operation: 92-61=31, Resulting Numbers: [54, 31] Generated Node #0,0,1: 24:[54, 31] Operation: 92-61=31 Exploring Operation: 92-54=38, Resulting Numbers: [61, 38] Generated Node #0,0,2: 24:[61, 38] Operation: 92-54=38 Exploring Operation: 54+92=146, Resulting Numbers: [61, 146] Generated Node #0,0,3: 24:[61, 146] Operation: 54+92=146 Exploring Operation: 54+61=115, Resulting Numbers: [92, 115] Generated Node #0,0,4: 24:[92, 115] Operation: 54+61=115 Moving to Node #0,0,1 Current State: 24:[54, 31], Operations: ['73-12=61', '92-61=31'] Exploring Operation: 54+31=85, Resulting Numbers: [85] 85,24 unequal: No Solution Exploring Operation: 54-31=23, Resulting Numbers: [23] 23,24 unequal: No Solution Exploring Operation: 54*31=1674, Resulting Numbers: [1674] 1674,24 unequal: No Solution Moving to Node #0,0,2 Current State: 24:[61, 38], Operations: ['73-12=61', '92-54=38'] Exploring Operation: 61*38=2318, Resulting Numbers: [2318] 2318,24 unequal: No Solution Exploring Operation: 61+38=99, Resulting Numbers: [99] 99,24 unequal: No Solution Exploring Operation: 61-38=23, Resulting Numbers: [23] 23,24 unequal: No Solution Moving to Node #0,0,0 Current State: 24:[92, 7], Operations: ['73-12=61', '61-54=7'] Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,24 unequal: No Solution Exploring Operation: 92+7=99, Resulting Numbers: [99] 99,24 unequal: No Solution Exploring Operation: 92*7=644, Resulting Numbers: [644] 644,24 unequal: No Solution Moving to Node #0,0,3 Current State: 24:[61, 146], Operations: ['73-12=61', '54+92=146'] Exploring Operation: 61+146=207, Resulting Numbers: [207] 207,24 unequal: No Solution Exploring Operation: 146-61=85, Resulting Numbers: [85] 85,24 unequal: No Solution Exploring Operation: 61*146=8906, Resulting Numbers: [8906] 8906,24 unequal: No Solution Moving to Node #0,0,4 Current State: 24:[92, 115], Operations: ['73-12=61', '54+61=115'] Exploring Operation: 92+115=207, Resulting Numbers: [207] 207,24 unequal: No Solution Exploring Operation: 115-92=23, Resulting Numbers: [23] 23,24 unequal: No Solution Exploring Operation: 92*115=10580, Resulting Numbers: [10580] 10580,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[73, 92, 42], Operations: ['54-12=42'] Exploring Operation: 73+42=115, Resulting Numbers: [92, 115] Generated Node #0,2,0: 24:[92, 115] Operation: 73+42=115 Exploring Operation: 92-42=50, Resulting Numbers: [73, 50] Generated Node #0,2,1: 24:[73, 50] Operation: 92-42=50 Exploring Operation: 73-42=31, Resulting Numbers: [92, 31] Generated Node #0,2,2: 24:[92, 31] Operation: 73-42=31 Exploring Operation: 73+92=165, Resulting Numbers: [42, 165] Generated Node #0,2,3: 24:[42, 165] Operation: 73+92=165 Exploring Operation: 92-73=19, Resulting Numbers: [42, 19] Generated Node #0,2,4: 24:[42, 19] Operation: 92-73=19 Moving to Node #0,2,4 Current State: 24:[42, 19], Operations: ['54-12=42', '92-73=19'] Exploring Operation: 42+19=61, Resulting Numbers: [61] 61,24 unequal: No Solution Exploring Operation: 42*19=798, Resulting Numbers: [798] 798,24 unequal: No Solution Exploring Operation: 42-19=23, Resulting Numbers: [23] 23,24 unequal: No Solution Moving to Node #0,2,2 Current State: 24:[92, 31], Operations: ['54-12=42', '73-42=31'] Exploring Operation: 92-31=61, Resulting Numbers: [61] 61,24 unequal: No Solution Exploring Operation: 92*31=2852, Resulting Numbers: [2852] 2852,24 unequal: No Solution Exploring Operation: 92+31=123, Resulting Numbers: [123] 123,24 unequal: No Solution Moving to Node #0,2,1 Current State: 24:[73, 50], Operations: ['54-12=42', '92-42=50'] Exploring Operation: 73*50=3650, Resulting Numbers: [3650] 3650,24 unequal: No Solution Exploring Operation: 73-50=23, Resulting Numbers: [23] 23,24 unequal: No Solution Exploring Operation: 73+50=123, Resulting Numbers: [123] 123,24 unequal: No Solution Moving to Node #0,2,0 Current State: 24:[92, 115], Operations: ['54-12=42', '73+42=115'] Exploring Operation: 92+115=207, Resulting Numbers: [207] 207,24 unequal: No Solution Exploring Operation: 92*115=10580, Resulting Numbers: [10580] 10580,24 unequal: No Solution Exploring Operation: 115-92=23, Resulting Numbers: [23] 23,24 unequal: No Solution Moving to Node #0,2,3 Current State: 24:[42, 165], Operations: ['54-12=42', '73+92=165'] Exploring Operation: 42+165=207, Resulting Numbers: [207] 207,24 unequal: No Solution Exploring Operation: 42*165=6930, Resulting Numbers: [6930] 6930,24 unequal: No Solution Exploring Operation: 165-42=123, Resulting Numbers: [123] 123,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 92, 38, 3, 37 ]
46
[ "38-3=35", "37-35=2", "92/2=46" ]
Current State: 46:[92, 38, 3, 37], Operations: [] Exploring Operation: 38-3=35, Resulting Numbers: [92, 37, 35] Generated Node #2: [92, 37, 35] from Operation: 38-3=35 Current State: 46:[92, 37, 35], Operations: ['38-3=35'] Exploring Operation: 37-35=2, Resulting Numbers: [92, 2] Generated Node #3: [92, 2] from Operation: 37-35=2 Current State: 46:[92, 2], Operations: ['38-3=35', '37-35=2'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[92, 38, 3, 37], Operations: [] Exploring Operation: 92-38=54, Resulting Numbers: [3, 37, 54] Generated Node #0,0: 46:[3, 37, 54] Operation: 92-38=54 Moving to Node #0,0 Current State: 46:[3, 37, 54], Operations: ['92-38=54'] Exploring Operation: 54-37=17, Resulting Numbers: [3, 17] Generated Node #0,0,0: 46:[3, 17] Operation: 54-37=17 Moving to Node #0,0,0 Current State: 46:[3, 17], Operations: ['92-38=54', '54-37=17'] Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,46 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 88, 28, 93, 24 ]
71
[ "28-24=4", "88/4=22", "93-22=71" ]
Current State: 71:[88, 28, 93, 24], Operations: [] Exploring Operation: 28-24=4, Resulting Numbers: [88, 93, 4] Generated Node #2: [88, 93, 4] from Operation: 28-24=4 Current State: 71:[88, 93, 4], Operations: ['28-24=4'] Exploring Operation: 88/4=22, Resulting Numbers: [93, 22] Generated Node #3: [93, 22] from Operation: 88/4=22 Current State: 71:[93, 22], Operations: ['28-24=4', '88/4=22'] Exploring Operation: 93-22=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[88, 28, 93, 24], Operations: [] Exploring Operation: 93-28=65, Resulting Numbers: [88, 24, 65] Generated Node #0,0: 71:[88, 24, 65] Operation: 93-28=65 Exploring Operation: 88-24=64, Resulting Numbers: [28, 93, 64] Generated Node #0,1: 71:[28, 93, 64] Operation: 88-24=64 Exploring Operation: 28+24=52, Resulting Numbers: [88, 93, 52] Generated Node #0,2: 71:[88, 93, 52] Operation: 28+24=52 Exploring Operation: 93-24=69, Resulting Numbers: [88, 28, 69] Generated Node #0,3: 71:[88, 28, 69] Operation: 93-24=69 Exploring Operation: 88-28=60, Resulting Numbers: [93, 24, 60] Generated Node #0,4: 71:[93, 24, 60] Operation: 88-28=60 Moving to Node #0,2 Current State: 71:[88, 93, 52], Operations: ['28+24=52'] Exploring Operation: 88+52=140, Resulting Numbers: [93, 140] Generated Node #0,2,0: 71:[93, 140] Operation: 88+52=140 Exploring Operation: 93+52=145, Resulting Numbers: [88, 145] Generated Node #0,2,1: 71:[88, 145] Operation: 93+52=145 Exploring Operation: 93-52=41, Resulting Numbers: [88, 41] Generated Node #0,2,2: 71:[88, 41] Operation: 93-52=41 Exploring Operation: 88-52=36, Resulting Numbers: [93, 36] Generated Node #0,2,3: 71:[93, 36] Operation: 88-52=36 Exploring Operation: 93-88=5, Resulting Numbers: [52, 5] Generated Node #0,2,4: 71:[52, 5] Operation: 93-88=5 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 71:[88, 41], Operations: ['28+24=52', '93-52=41'] Exploring Operation: 88*41=3608, Resulting Numbers: [3608] 3608,71 unequal: No Solution Exploring Operation: 88+41=129, Resulting Numbers: [129] 129,71 unequal: No Solution Exploring Operation: 88-41=47, Resulting Numbers: [47] 47,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 71:[93, 36], Operations: ['28+24=52', '88-52=36'] Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 93+36=129, Resulting Numbers: [129] 129,71 unequal: No Solution Exploring Operation: 93*36=3348, Resulting Numbers: [3348] 3348,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 71:[52, 5], Operations: ['28+24=52', '93-88=5'] Exploring Operation: 52*5=260, Resulting Numbers: [260] 260,71 unequal: No Solution Exploring Operation: 52+5=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 71:[93, 140], Operations: ['28+24=52', '88+52=140'] Exploring Operation: 93+140=233, Resulting Numbers: [233] 233,71 unequal: No Solution Exploring Operation: 93*140=13020, Resulting Numbers: [13020] 13020,71 unequal: No Solution Exploring Operation: 140-93=47, Resulting Numbers: [47] 47,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 71:[88, 145], Operations: ['28+24=52', '93+52=145'] Exploring Operation: 88*145=12760, Resulting Numbers: [12760] 12760,71 unequal: No Solution Exploring Operation: 88+145=233, Resulting Numbers: [233] 233,71 unequal: No Solution Exploring Operation: 145-88=57, Resulting Numbers: [57] 57,71 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: 71:[88, 28, 69], Operations: ['93-24=69'] Exploring Operation: 88-28=60, Resulting Numbers: [69, 60] Generated Node #0,3,0: 71:[69, 60] Operation: 88-28=60 Exploring Operation: 69-28=41, Resulting Numbers: [88, 41] Generated Node #0,3,1: 71:[88, 41] Operation: 69-28=41 Exploring Operation: 88+28=116, Resulting Numbers: [69, 116] Generated Node #0,3,2: 71:[69, 116] Operation: 88+28=116 Exploring Operation: 88-69=19, Resulting Numbers: [28, 19] Generated Node #0,3,3: 71:[28, 19] Operation: 88-69=19 Exploring Operation: 28+69=97, Resulting Numbers: [88, 97] Generated Node #0,3,4: 71:[88, 97] Operation: 28+69=97 Moving to Node #0,0 Current State: 71:[88, 24, 65], Operations: ['93-28=65'] Exploring Operation: 88-65=23, Resulting Numbers: [24, 23] Generated Node #0,0,0: 71:[24, 23] Operation: 88-65=23 Exploring Operation: 24+65=89, Resulting Numbers: [88, 89] Generated Node #0,0,1: 71:[88, 89] Operation: 24+65=89 Exploring Operation: 88-24=64, Resulting Numbers: [65, 64] Generated Node #0,0,2: 71:[65, 64] Operation: 88-24=64 Exploring Operation: 88+24=112, Resulting Numbers: [65, 112] Generated Node #0,0,3: 71:[65, 112] Operation: 88+24=112 Exploring Operation: 65-24=41, Resulting Numbers: [88, 41] Generated Node #0,0,4: 71:[88, 41] Operation: 65-24=41 Moving to Node #0,1 Current State: 71:[28, 93, 64], Operations: ['88-24=64'] Exploring Operation: 28+64=92, Resulting Numbers: [93, 92] Generated Node #0,1,0: 71:[93, 92] Operation: 28+64=92 Exploring Operation: 93-64=29, Resulting Numbers: [28, 29] Generated Node #0,1,1: 71:[28, 29] Operation: 93-64=29 Exploring Operation: 64-28=36, Resulting Numbers: [93, 36] Generated Node #0,1,2: 71:[93, 36] Operation: 64-28=36 Exploring Operation: 28+93=121, Resulting Numbers: [64, 121] Generated Node #0,1,3: 71:[64, 121] Operation: 28+93=121 Exploring Operation: 93-28=65, Resulting Numbers: [64, 65] Generated Node #0,1,4: 71:[64, 65] Operation: 93-28=65 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 71:[64, 65], Operations: ['88-24=64', '93-28=65'] Exploring Operation: 64+65=129, Resulting Numbers: [129] 129,71 unequal: No Solution Exploring Operation: 64*65=4160, Resulting Numbers: [4160] 4160,71 unequal: No Solution Exploring Operation: 65-64=1, Resulting Numbers: [1] 1,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[93, 92], Operations: ['88-24=64', '28+64=92'] Exploring Operation: 93-92=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 93+92=185, Resulting Numbers: [185] 185,71 unequal: No Solution Exploring Operation: 93*92=8556, Resulting Numbers: [8556] 8556,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[93, 36], Operations: ['88-24=64', '64-28=36'] Exploring Operation: 93+36=129, Resulting Numbers: [129] 129,71 unequal: No Solution Exploring Operation: 93*36=3348, Resulting Numbers: [3348] 3348,71 unequal: No Solution Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 71:[64, 121], Operations: ['88-24=64', '28+93=121'] Exploring Operation: 64*121=7744, Resulting Numbers: [7744] 7744,71 unequal: No Solution Exploring Operation: 64+121=185, Resulting Numbers: [185] 185,71 unequal: No Solution Exploring Operation: 121-64=57, Resulting Numbers: [57] 57,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[28, 29], Operations: ['88-24=64', '93-64=29'] Exploring Operation: 28+29=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 28*29=812, Resulting Numbers: [812] 812,71 unequal: No Solution Exploring Operation: 29-28=1, Resulting Numbers: [1] 1,71 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: 71:[93, 24, 60], Operations: ['88-28=60'] Exploring Operation: 60-24=36, Resulting Numbers: [93, 36] Generated Node #0,4,0: 71:[93, 36] Operation: 60-24=36 Exploring Operation: 93-24=69, Resulting Numbers: [60, 69] Generated Node #0,4,1: 71:[60, 69] Operation: 93-24=69 Exploring Operation: 93-60=33, Resulting Numbers: [24, 33] Generated Node #0,4,2: 71:[24, 33] Operation: 93-60=33 Exploring Operation: 93+24=117, Resulting Numbers: [60, 117] Generated Node #0,4,3: 71:[60, 117] Operation: 93+24=117 Exploring Operation: 24+60=84, Resulting Numbers: [93, 84] Generated Node #0,4,4: 71:[93, 84] Operation: 24+60=84 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 71:[60, 69], Operations: ['88-28=60', '93-24=69'] Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 60*69=4140, Resulting Numbers: [4140] 4140,71 unequal: No Solution Exploring Operation: 60+69=129, Resulting Numbers: [129] 129,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 71:[93, 84], Operations: ['88-28=60', '24+60=84'] Exploring Operation: 93-84=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 93*84=7812, Resulting Numbers: [7812] 7812,71 unequal: No Solution Exploring Operation: 93+84=177, Resulting Numbers: [177] 177,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 71:[93, 36], Operations: ['88-28=60', '60-24=36'] Exploring Operation: 93+36=129, Resulting Numbers: [129] 129,71 unequal: No Solution Exploring Operation: 93-36=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 93*36=3348, Resulting Numbers: [3348] 3348,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 71:[60, 117], Operations: ['88-28=60', '93+24=117'] Exploring Operation: 117-60=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 60*117=7020, Resulting Numbers: [7020] 7020,71 unequal: No Solution Exploring Operation: 60+117=177, Resulting Numbers: [177] 177,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 71:[24, 33], Operations: ['88-28=60', '93-60=33'] Exploring Operation: 33-24=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 24+33=57, Resulting Numbers: [57] 57,71 unequal: No Solution Exploring Operation: 24*33=792, Resulting Numbers: [792] 792,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 71:[69, 60], Operations: ['93-24=69', '88-28=60'] Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,71 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[65, 64], Operations: ['93-28=65', '88-24=64'] Exploring Operation: 65*64=4160, Resulting Numbers: [4160] 4160,71 unequal: No Solution Exploring Operation: 65-64=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 65+64=129, Resulting Numbers: [129] 129,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[88, 89], Operations: ['93-28=65', '24+65=89'] Exploring Operation: 89-88=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 88*89=7832, Resulting Numbers: [7832] 7832,71 unequal: No Solution Exploring Operation: 88+89=177, Resulting Numbers: [177] 177,71 unequal: No Solution Moving to Node #0,3,4 Current State: 71:[88, 97], Operations: ['93-24=69', '28+69=97'] Exploring Operation: 88+97=185, Resulting Numbers: [185] 185,71 unequal: No Solution Exploring Operation: 88*97=8536, Resulting Numbers: [8536] 8536,71 unequal: No Solution Exploring Operation: 97-88=9, Resulting Numbers: [9] 9,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[88, 41], Operations: ['93-24=69', '69-28=41'] Exploring Operation: 88-41=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 88*41=3608, Resulting Numbers: [3608] 3608,71 unequal: No Solution Exploring Operation: 88+41=129, Resulting Numbers: [129] 129,71 unequal: No Solution Moving to Node #0,0,4 Current State: 71:[88, 41], Operations: ['93-28=65', '65-24=41'] Exploring Operation: 88-41=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 88+41=129, Resulting Numbers: [129] 129,71 unequal: No Solution Exploring Operation: 88*41=3608, Resulting Numbers: [3608] 3608,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[69, 116], Operations: ['93-24=69', '88+28=116'] Exploring Operation: 116-69=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 69+116=185, Resulting Numbers: [185] 185,71 unequal: No Solution Exploring Operation: 69*116=8004, Resulting Numbers: [8004] 8004,71 unequal: No Solution Moving to Node #0,0,3 Current State: 71:[65, 112], Operations: ['93-28=65', '88+24=112'] Exploring Operation: 65*112=7280, Resulting Numbers: [7280] 7280,71 unequal: No Solution Exploring Operation: 65+112=177, Resulting Numbers: [177] 177,71 unequal: No Solution Exploring Operation: 112-65=47, Resulting Numbers: [47] 47,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[28, 19], Operations: ['93-24=69', '88-69=19'] Exploring Operation: 28*19=532, Resulting Numbers: [532] 532,71 unequal: No Solution Exploring Operation: 28+19=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 28-19=9, Resulting Numbers: [9] 9,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[24, 23], Operations: ['93-28=65', '88-65=23'] Exploring Operation: 24+23=47, Resulting Numbers: [47] 47,71 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 24*23=552, Resulting Numbers: [552] 552,71 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 28, 55, 4, 32 ]
39
[ "32-28=4", "4*4=16", "55-16=39" ]
Current State: 39:[28, 55, 4, 32], Operations: [] Exploring Operation: 32-28=4, Resulting Numbers: [55, 4, 4] Generated Node #2: [55, 4, 4] from Operation: 32-28=4 Current State: 39:[55, 4, 4], Operations: ['32-28=4'] Exploring Operation: 4*4=16, Resulting Numbers: [55, 16] Generated Node #3: [55, 16] from Operation: 4*4=16 Current State: 39:[55, 16], Operations: ['32-28=4', '4*4=16'] Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[28, 55, 4, 32], Operations: [] Exploring Operation: 55-32=23, Resulting Numbers: [28, 4, 23] Generated Node #0,0: 39:[28, 4, 23] Operation: 55-32=23 Exploring Operation: 28/4=7, Resulting Numbers: [55, 32, 7] Generated Node #0,1: 39:[55, 32, 7] Operation: 28/4=7 Exploring Operation: 55-28=27, Resulting Numbers: [4, 32, 27] Generated Node #0,2: 39:[4, 32, 27] Operation: 55-28=27 Exploring Operation: 32-28=4, Resulting Numbers: [55, 4, 4] Generated Node #0,3: 39:[55, 4, 4] Operation: 32-28=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[55, 4, 4], Operations: ['32-28=4'] Exploring Operation: 4/4=1, Resulting Numbers: [55, 1] Generated Node #0,3,0: 39:[55, 1] Operation: 4/4=1 Exploring Operation: 4*4=16, Resulting Numbers: [55, 16] Generated Node #0,3,1: 39:[55, 16] Operation: 4*4=16 Exploring Operation: 55-4=51, Resulting Numbers: [4, 51] Generated Node #0,3,2: 39:[4, 51] Operation: 55-4=51 Exploring Operation: 55-4=51, Resulting Numbers: [4, 51] Generated Node #0,3,3: 39:[4, 51] Operation: 55-4=51 Moving to Node #0,3,2 Current State: 39:[4, 51], Operations: ['32-28=4', '55-4=51'] Exploring Operation: 4*51=204, Resulting Numbers: [204] 204,39 unequal: No Solution Exploring Operation: 4+51=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,39 unequal: No Solution Moving to Node #0,3,3 Current State: 39:[4, 51], Operations: ['32-28=4', '55-4=51'] Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,39 unequal: No Solution Exploring Operation: 4+51=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 4*51=204, Resulting Numbers: [204] 204,39 unequal: No Solution Moving to Node #0,3,0 Current State: 39:[55, 1], Operations: ['32-28=4', '4/4=1'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,39 unequal: No Solution Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,39 unequal: No Solution Moving to Node #0,3,1 Current State: 39:[55, 16], Operations: ['32-28=4', '4*4=16'] Exploring Operation: 55+16=71, Resulting Numbers: [71] 71,39 unequal: No Solution Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[28, 55, 4, 32], Operations: [] Exploring Operation: 32-28=4, Resulting Numbers: [55, 4, 4] Generated Node #0,3: 39:[55, 4, 4] Operation: 32-28=4 Moving to Node #0,3 Current State: 39:[55, 4, 4], Operations: ['32-28=4'] Exploring Operation: 4*4=16, Resulting Numbers: [55, 16] Generated Node #0,3,1: 39:[55, 16] Operation: 4*4=16 Moving to Node #0,3,1 Current State: 39:[55, 16], Operations: ['32-28=4', '4*4=16'] Exploring Operation: 55-16=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 69, 6, 3, 10 ]
11
[ "69-6=63", "63/3=21", "21-10=11" ]
Current State: 11:[69, 6, 3, 10], Operations: [] Exploring Operation: 69-6=63, Resulting Numbers: [3, 10, 63] Generated Node #2: [3, 10, 63] from Operation: 69-6=63 Current State: 11:[3, 10, 63], Operations: ['69-6=63'] Exploring Operation: 63/3=21, Resulting Numbers: [10, 21] Generated Node #3: [10, 21] from Operation: 63/3=21 Current State: 11:[10, 21], Operations: ['69-6=63', '63/3=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[69, 6, 3, 10], Operations: [] Exploring Operation: 69-10=59, Resulting Numbers: [6, 3, 59] Generated Node #0,0: 11:[6, 3, 59] Operation: 69-10=59 Exploring Operation: 69/3=23, Resulting Numbers: [6, 10, 23] Generated Node #0,1: 11:[6, 10, 23] Operation: 69/3=23 Exploring Operation: 69-3=66, Resulting Numbers: [6, 10, 66] Generated Node #0,2: 11:[6, 10, 66] Operation: 69-3=66 Exploring Operation: 69-6=63, Resulting Numbers: [3, 10, 63] Generated Node #0,3: 11:[3, 10, 63] Operation: 69-6=63 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[6, 10, 23], Operations: ['69/3=23'] Exploring Operation: 10-6=4, Resulting Numbers: [23, 4] Generated Node #0,1,0: 11:[23, 4] Operation: 10-6=4 Exploring Operation: 23-6=17, Resulting Numbers: [10, 17] Generated Node #0,1,1: 11:[10, 17] Operation: 23-6=17 Exploring Operation: 6+10=16, Resulting Numbers: [23, 16] Generated Node #0,1,2: 11:[23, 16] Operation: 6+10=16 Exploring Operation: 23-10=13, Resulting Numbers: [6, 13] Generated Node #0,1,3: 11:[6, 13] Operation: 23-10=13 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 11:[10, 17], Operations: ['69/3=23', '23-6=17'] Exploring Operation: 10*17=170, Resulting Numbers: [170] 170,11 unequal: No Solution Exploring Operation: 10+17=27, Resulting Numbers: [27] 27,11 unequal: No Solution Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 11:[6, 13], Operations: ['69/3=23', '23-10=13'] Exploring Operation: 13-6=7, Resulting Numbers: [7] 7,11 unequal: No Solution Exploring Operation: 6*13=78, Resulting Numbers: [78] 78,11 unequal: No Solution Exploring Operation: 6+13=19, Resulting Numbers: [19] 19,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 11:[23, 16], Operations: ['69/3=23', '6+10=16'] Exploring Operation: 23+16=39, Resulting Numbers: [39] 39,11 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,11 unequal: No Solution Exploring Operation: 23*16=368, Resulting Numbers: [368] 368,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[23, 4], Operations: ['69/3=23', '10-6=4'] Exploring Operation: 23*4=92, Resulting Numbers: [92] 92,11 unequal: No Solution Exploring Operation: 23+4=27, Resulting Numbers: [27] 27,11 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 11:[6, 3, 59], Operations: ['69-10=59'] Exploring Operation: 6+3=9, Resulting Numbers: [59, 9] Generated Node #0,0,0: 11:[59, 9] Operation: 6+3=9 Exploring Operation: 59-6=53, Resulting Numbers: [3, 53] Generated Node #0,0,1: 11:[3, 53] Operation: 59-6=53 Exploring Operation: 6*3=18, Resulting Numbers: [59, 18] Generated Node #0,0,2: 11:[59, 18] Operation: 6*3=18 Exploring Operation: 59-3=56, Resulting Numbers: [6, 56] Generated Node #0,0,3: 11:[6, 56] Operation: 59-3=56 Moving to Node #0,0,0 Current State: 11:[59, 9], Operations: ['69-10=59', '6+3=9'] Exploring Operation: 59*9=531, Resulting Numbers: [531] 531,11 unequal: No Solution Exploring Operation: 59-9=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 59+9=68, Resulting Numbers: [68] 68,11 unequal: No Solution Moving to Node #0,0,3 Current State: 11:[6, 56], Operations: ['69-10=59', '59-3=56'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 6+56=62, Resulting Numbers: [62] 62,11 unequal: No Solution Exploring Operation: 6*56=336, Resulting Numbers: [336] 336,11 unequal: No Solution Moving to Node #0,0,1 Current State: 11:[3, 53], Operations: ['69-10=59', '59-6=53'] Exploring Operation: 3+53=56, Resulting Numbers: [56] 56,11 unequal: No Solution Exploring Operation: 53-3=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 3*53=159, Resulting Numbers: [159] 159,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[59, 18], Operations: ['69-10=59', '6*3=18'] Exploring Operation: 59-18=41, Resulting Numbers: [41] 41,11 unequal: No Solution Exploring Operation: 59*18=1062, Resulting Numbers: [1062] 1062,11 unequal: No Solution Exploring Operation: 59+18=77, Resulting Numbers: [77] 77,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[6, 10, 66], Operations: ['69-3=66'] Exploring Operation: 6+10=16, Resulting Numbers: [66, 16] Generated Node #0,2,0: 11:[66, 16] Operation: 6+10=16 Exploring Operation: 66-6=60, Resulting Numbers: [10, 60] Generated Node #0,2,1: 11:[10, 60] Operation: 66-6=60 Exploring Operation: 66-10=56, Resulting Numbers: [6, 56] Generated Node #0,2,2: 11:[6, 56] Operation: 66-10=56 Exploring Operation: 66/6=11, Resulting Numbers: [10, 11] Generated Node #0,2,3: 11:[10, 11] Operation: 66/6=11 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 11:[10, 11], Operations: ['69-3=66', '66/6=11'] Exploring Operation: 10*11=110, Resulting Numbers: [110] 110,11 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,11 unequal: No Solution Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 11:[10, 60], Operations: ['69-3=66', '66-6=60'] Exploring Operation: 10*60=600, Resulting Numbers: [600] 600,11 unequal: No Solution Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,11 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 11:[6, 56], Operations: ['69-3=66', '66-10=56'] Exploring Operation: 56-6=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 6+56=62, Resulting Numbers: [62] 62,11 unequal: No Solution Exploring Operation: 6*56=336, Resulting Numbers: [336] 336,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 11:[66, 16], Operations: ['69-3=66', '6+10=16'] Exploring Operation: 66+16=82, Resulting Numbers: [82] 82,11 unequal: No Solution Exploring Operation: 66-16=50, Resulting Numbers: [50] 50,11 unequal: No Solution Exploring Operation: 66*16=1056, Resulting Numbers: [1056] 1056,11 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 11:[3, 10, 63], Operations: ['69-6=63'] Exploring Operation: 63-3=60, Resulting Numbers: [10, 60] Generated Node #0,3,0: 11:[10, 60] Operation: 63-3=60 Exploring Operation: 63/3=21, Resulting Numbers: [10, 21] Generated Node #0,3,1: 11:[10, 21] Operation: 63/3=21 Exploring Operation: 63-10=53, Resulting Numbers: [3, 53] Generated Node #0,3,2: 11:[3, 53] Operation: 63-10=53 Exploring Operation: 3+10=13, Resulting Numbers: [63, 13] Generated Node #0,3,3: 11:[63, 13] Operation: 3+10=13 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 11:[10, 21], Operations: ['69-6=63', '63/3=21'] Exploring Operation: 10*21=210, Resulting Numbers: [210] 210,11 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[69, 6, 3, 10], Operations: [] Exploring Operation: 69-6=63, Resulting Numbers: [3, 10, 63] Generated Node #0,3: 11:[3, 10, 63] Operation: 69-6=63 Moving to Node #0,3 Current State: 11:[3, 10, 63], Operations: ['69-6=63'] Exploring Operation: 63/3=21, Resulting Numbers: [10, 21] Generated Node #0,3,1: 11:[10, 21] Operation: 63/3=21 Moving to Node #0,3,1 Current State: 11:[10, 21], Operations: ['69-6=63', '63/3=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.945313
hs_4
mult_heuristic
[ 18, 6, 18, 2 ]
52
[ "18/6=3", "18*3=54", "54-2=52" ]
Current State: 52:[18, 6, 18, 2], Operations: [] Exploring Operation: 18/6=3, Resulting Numbers: [2, 3] Generated Node #2: [2, 3] from Operation: 18/6=3 Current State: 52:[2, 3], Operations: ['18/6=3'] Exploring Operation: 18*3=54, Resulting Numbers: [2, 54] Generated Node #3: [2, 54] from Operation: 18*3=54 Current State: 52:[2, 54], Operations: ['18/6=3', '18*3=54'] Exploring Operation: 54-2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[18, 6, 18, 2], Operations: [] Exploring Operation: 18-18=0, Resulting Numbers: [6, 2, 0] Generated Node #0,0: 52:[6, 2, 0] Operation: 18-18=0 Exploring Operation: 18/18=1, Resulting Numbers: [6, 2, 1] Generated Node #0,1: 52:[6, 2, 1] Operation: 18/18=1 Exploring Operation: 18-6=12, Resulting Numbers: [18, 2, 12] Generated Node #0,2: 52:[18, 2, 12] Operation: 18-6=12 Moving to Node #0,1 Current State: 52:[6, 2, 1], Operations: ['18/18=1'] Exploring Operation: 6*2=12, Resulting Numbers: [1, 12] Generated Node #0,1,0: 52:[1, 12] Operation: 6*2=12 Exploring Operation: 6-1=5, Resulting Numbers: [2, 5] Generated Node #0,1,1: 52:[2, 5] Operation: 6-1=5 Exploring Operation: 6-2=4, Resulting Numbers: [1, 4] Generated Node #0,1,2: 52:[1, 4] Operation: 6-2=4 Moving to Node #0,0 Current State: 52:[6, 2, 0], Operations: ['18-18=0'] Exploring Operation: 6*0=0, Resulting Numbers: [2, 0] Generated Node #0,0,0: 52:[2, 0] Operation: 6*0=0 Exploring Operation: 6+0=6, Resulting Numbers: [2, 6] Generated Node #0,0,1: 52:[2, 6] Operation: 6+0=6 Exploring Operation: 6-2=4, Resulting Numbers: [0, 4] Generated Node #0,0,2: 52:[0, 4] Operation: 6-2=4 Moving to Node #0,2 Current State: 52:[18, 2, 12], Operations: ['18-6=12'] Exploring Operation: 18-12=6, Resulting Numbers: [2, 6] Generated Node #0,2,0: 52:[2, 6] Operation: 18-12=6 Exploring Operation: 18+12=30, Resulting Numbers: [2, 30] Generated Node #0,2,1: 52:[2, 30] Operation: 18+12=30 Exploring Operation: 18-2=16, Resulting Numbers: [12, 16] Generated Node #0,2,2: 52:[12, 16] Operation: 18-2=16 Moving to Node #0,1,1 Current State: 52:[2, 5], Operations: ['18/18=1', '6-1=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,52 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,52 unequal: No Solution Moving to Node #0,1,2 Current State: 52:[1, 4], Operations: ['18/18=1', '6-2=4'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[1, 12], Operations: ['18/18=1', '6*2=12'] Exploring Operation: 1*12=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 12/1=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 1+12=13, Resulting Numbers: [13] 13,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[2, 6], Operations: ['18-6=12', '18-12=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[0, 4], Operations: ['18-18=0', '6-2=4'] Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 0+4=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 0*4=0, Resulting Numbers: [0] 0,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[2, 6], Operations: ['18-18=0', '6+0=6'] Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,52 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[2, 0], Operations: ['18-18=0', '6*0=0'] Exploring Operation: 2-0=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2+0=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2*0=0, Resulting Numbers: [0] 0,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[12, 16], Operations: ['18-6=12', '18-2=16'] Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,52 unequal: No Solution Exploring Operation: 12*16=192, Resulting Numbers: [192] 192,52 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[2, 30], Operations: ['18-6=12', '18+12=30'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,52 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,52 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 70, 56, 65, 58 ]
98
[ "70-56=14", "65-58=7", "14*7=98" ]
Current State: 98:[70, 56, 65, 58], Operations: [] Exploring Operation: 70-56=14, Resulting Numbers: [65, 58, 14] Generated Node #2: [65, 58, 14] from Operation: 70-56=14 Current State: 98:[65, 58, 14], Operations: ['70-56=14'] Exploring Operation: 65-58=7, Resulting Numbers: [14, 7] Generated Node #3: [14, 7] from Operation: 65-58=7 Current State: 98:[14, 7], Operations: ['70-56=14', '65-58=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[70, 56, 65, 58], Operations: [] Exploring Operation: 65-58=7, Resulting Numbers: [70, 56, 7] Generated Node #0,0: 98:[70, 56, 7] Operation: 65-58=7 Exploring Operation: 70-65=5, Resulting Numbers: [56, 58, 5] Generated Node #0,1: 98:[56, 58, 5] Operation: 70-65=5 Exploring Operation: 70-58=12, Resulting Numbers: [56, 65, 12] Generated Node #0,2: 98:[56, 65, 12] Operation: 70-58=12 Exploring Operation: 70-56=14, Resulting Numbers: [65, 58, 14] Generated Node #0,3: 98:[65, 58, 14] Operation: 70-56=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[56, 58, 5], Operations: ['70-65=5'] Exploring Operation: 56-5=51, Resulting Numbers: [58, 51] Generated Node #0,1,0: 98:[58, 51] Operation: 56-5=51 Exploring Operation: 58-56=2, Resulting Numbers: [5, 2] Generated Node #0,1,1: 98:[5, 2] Operation: 58-56=2 Exploring Operation: 58-5=53, Resulting Numbers: [56, 53] Generated Node #0,1,2: 98:[56, 53] Operation: 58-5=53 Exploring Operation: 56+58=114, Resulting Numbers: [5, 114] Generated Node #0,1,3: 98:[5, 114] Operation: 56+58=114 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 98:[5, 2], Operations: ['70-65=5', '58-56=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,98 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[58, 51], Operations: ['70-65=5', '56-5=51'] Exploring Operation: 58*51=2958, Resulting Numbers: [2958] 2958,98 unequal: No Solution Exploring Operation: 58+51=109, Resulting Numbers: [109] 109,98 unequal: No Solution Exploring Operation: 58-51=7, Resulting Numbers: [7] 7,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[56, 53], Operations: ['70-65=5', '58-5=53'] Exploring Operation: 56*53=2968, Resulting Numbers: [2968] 2968,98 unequal: No Solution Exploring Operation: 56-53=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 56+53=109, Resulting Numbers: [109] 109,98 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:[5, 114], Operations: ['70-65=5', '56+58=114'] Exploring Operation: 5*114=570, Resulting Numbers: [570] 570,98 unequal: No Solution Exploring Operation: 5+114=119, Resulting Numbers: [119] 119,98 unequal: No Solution Exploring Operation: 114-5=109, Resulting Numbers: [109] 109,98 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:[56, 65, 12], Operations: ['70-58=12'] Exploring Operation: 65-56=9, Resulting Numbers: [12, 9] Generated Node #0,2,0: 98:[12, 9] Operation: 65-56=9 Exploring Operation: 56+65=121, Resulting Numbers: [12, 121] Generated Node #0,2,1: 98:[12, 121] Operation: 56+65=121 Exploring Operation: 65-12=53, Resulting Numbers: [56, 53] Generated Node #0,2,2: 98:[56, 53] Operation: 65-12=53 Exploring Operation: 56-12=44, Resulting Numbers: [65, 44] Generated Node #0,2,3: 98:[65, 44] Operation: 56-12=44 Moving to Node #0,2,0 Current State: 98:[12, 9], Operations: ['70-58=12', '65-56=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[56, 53], Operations: ['70-58=12', '65-12=53'] Exploring Operation: 56+53=109, Resulting Numbers: [109] 109,98 unequal: No Solution Exploring Operation: 56-53=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 56*53=2968, Resulting Numbers: [2968] 2968,98 unequal: No Solution Moving to Node #0,2,3 Current State: 98:[65, 44], Operations: ['70-58=12', '56-12=44'] Exploring Operation: 65+44=109, Resulting Numbers: [109] 109,98 unequal: No Solution Exploring Operation: 65-44=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 65*44=2860, Resulting Numbers: [2860] 2860,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[12, 121], Operations: ['70-58=12', '56+65=121'] Exploring Operation: 12*121=1452, Resulting Numbers: [1452] 1452,98 unequal: No Solution Exploring Operation: 121-12=109, Resulting Numbers: [109] 109,98 unequal: No Solution Exploring Operation: 12+121=133, Resulting Numbers: [133] 133,98 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:[65, 58, 14], Operations: ['70-56=14'] Exploring Operation: 65-58=7, Resulting Numbers: [14, 7] Generated Node #0,3,0: 98:[14, 7] Operation: 65-58=7 Exploring Operation: 65-14=51, Resulting Numbers: [58, 51] Generated Node #0,3,1: 98:[58, 51] Operation: 65-14=51 Exploring Operation: 65+58=123, Resulting Numbers: [14, 123] Generated Node #0,3,2: 98:[14, 123] Operation: 65+58=123 Exploring Operation: 58-14=44, Resulting Numbers: [65, 44] Generated Node #0,3,3: 98:[65, 44] Operation: 58-14=44 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 98:[14, 7], Operations: ['70-56=14', '65-58=7'] Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,98 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[70, 56, 65, 58], Operations: [] Exploring Operation: 70-56=14, Resulting Numbers: [65, 58, 14] Generated Node #0,3: 98:[65, 58, 14] Operation: 70-56=14 Moving to Node #0,3 Current State: 98:[65, 58, 14], Operations: ['70-56=14'] Exploring Operation: 65-58=7, Resulting Numbers: [14, 7] Generated Node #0,3,0: 98:[14, 7] Operation: 65-58=7 Moving to Node #0,3,0 Current State: 98:[14, 7], Operations: ['70-56=14', '65-58=7'] Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.959201
hs_4
sum_heuristic
[ 12, 54, 95, 60 ]
97
[ "60-54=6", "12/6=2", "95+2=97" ]
Current State: 97:[12, 54, 95, 60], Operations: [] Exploring Operation: 60-54=6, Resulting Numbers: [12, 95, 6] Generated Node #2: [12, 95, 6] from Operation: 60-54=6 Current State: 97:[12, 95, 6], Operations: ['60-54=6'] Exploring Operation: 12/6=2, Resulting Numbers: [95, 2] Generated Node #3: [95, 2] from Operation: 12/6=2 Current State: 97:[95, 2], Operations: ['60-54=6', '12/6=2'] Exploring Operation: 95+2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[12, 54, 95, 60], Operations: [] Exploring Operation: 12+60=72, Resulting Numbers: [54, 95, 72] Generated Node #0,0: 97:[54, 95, 72] Operation: 12+60=72 Exploring Operation: 12+54=66, Resulting Numbers: [95, 60, 66] Generated Node #0,1: 97:[95, 60, 66] Operation: 12+54=66 Exploring Operation: 12+95=107, Resulting Numbers: [54, 60, 107] Generated Node #0,2: 97:[54, 60, 107] Operation: 12+95=107 Exploring Operation: 54-12=42, Resulting Numbers: [95, 60, 42] Generated Node #0,3: 97:[95, 60, 42] Operation: 54-12=42 Exploring Operation: 95-12=83, Resulting Numbers: [54, 60, 83] Generated Node #0,4: 97:[54, 60, 83] Operation: 95-12=83 Moving to Node #0,0 Current State: 97:[54, 95, 72], Operations: ['12+60=72'] Exploring Operation: 95-54=41, Resulting Numbers: [72, 41] Generated Node #0,0,0: 97:[72, 41] Operation: 95-54=41 Exploring Operation: 54+95=149, Resulting Numbers: [72, 149] Generated Node #0,0,1: 97:[72, 149] Operation: 54+95=149 Exploring Operation: 95+72=167, Resulting Numbers: [54, 167] Generated Node #0,0,2: 97:[54, 167] Operation: 95+72=167 Exploring Operation: 72-54=18, Resulting Numbers: [95, 18] Generated Node #0,0,3: 97:[95, 18] Operation: 72-54=18 Exploring Operation: 54+72=126, Resulting Numbers: [95, 126] Generated Node #0,0,4: 97:[95, 126] Operation: 54+72=126 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 97:[95, 126], Operations: ['12+60=72', '54+72=126'] Exploring Operation: 126-95=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 95+126=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 95*126=11970, Resulting Numbers: [11970] 11970,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[72, 149], Operations: ['12+60=72', '54+95=149'] Exploring Operation: 72+149=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 149-72=77, Resulting Numbers: [77] 77,97 unequal: No Solution Exploring Operation: 72*149=10728, Resulting Numbers: [10728] 10728,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[72, 41], Operations: ['12+60=72', '95-54=41'] Exploring Operation: 72*41=2952, Resulting Numbers: [2952] 2952,97 unequal: No Solution Exploring Operation: 72-41=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 72+41=113, Resulting Numbers: [113] 113,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[95, 18], Operations: ['12+60=72', '72-54=18'] Exploring Operation: 95*18=1710, Resulting Numbers: [1710] 1710,97 unequal: No Solution Exploring Operation: 95-18=77, Resulting Numbers: [77] 77,97 unequal: No Solution Exploring Operation: 95+18=113, Resulting Numbers: [113] 113,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[54, 167], Operations: ['12+60=72', '95+72=167'] Exploring Operation: 54*167=9018, Resulting Numbers: [9018] 9018,97 unequal: No Solution Exploring Operation: 167-54=113, Resulting Numbers: [113] 113,97 unequal: No Solution Exploring Operation: 54+167=221, Resulting Numbers: [221] 221,97 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: 97:[95, 60, 66], Operations: ['12+54=66'] Exploring Operation: 95+60=155, Resulting Numbers: [66, 155] Generated Node #0,1,0: 97:[66, 155] Operation: 95+60=155 Exploring Operation: 95-60=35, Resulting Numbers: [66, 35] Generated Node #0,1,1: 97:[66, 35] Operation: 95-60=35 Exploring Operation: 60+66=126, Resulting Numbers: [95, 126] Generated Node #0,1,2: 97:[95, 126] Operation: 60+66=126 Exploring Operation: 95+66=161, Resulting Numbers: [60, 161] Generated Node #0,1,3: 97:[60, 161] Operation: 95+66=161 Exploring Operation: 66-60=6, Resulting Numbers: [95, 6] Generated Node #0,1,4: 97:[95, 6] Operation: 66-60=6 Moving to Node #0,2 Current State: 97:[54, 60, 107], Operations: ['12+95=107'] Exploring Operation: 107-60=47, Resulting Numbers: [54, 47] Generated Node #0,2,0: 97:[54, 47] Operation: 107-60=47 Exploring Operation: 60-54=6, Resulting Numbers: [107, 6] Generated Node #0,2,1: 97:[107, 6] Operation: 60-54=6 Exploring Operation: 107-54=53, Resulting Numbers: [60, 53] Generated Node #0,2,2: 97:[60, 53] Operation: 107-54=53 Exploring Operation: 54+60=114, Resulting Numbers: [107, 114] Generated Node #0,2,3: 97:[107, 114] Operation: 54+60=114 Exploring Operation: 54+107=161, Resulting Numbers: [60, 161] Generated Node #0,2,4: 97:[60, 161] Operation: 54+107=161 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 97:[107, 114], Operations: ['12+95=107', '54+60=114'] Exploring Operation: 107+114=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 107*114=12198, Resulting Numbers: [12198] 12198,97 unequal: No Solution Exploring Operation: 114-107=7, Resulting Numbers: [7] 7,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 97:[60, 53], Operations: ['12+95=107', '107-54=53'] Exploring Operation: 60+53=113, Resulting Numbers: [113] 113,97 unequal: No Solution Exploring Operation: 60-53=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 60*53=3180, Resulting Numbers: [3180] 3180,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 97:[54, 47], Operations: ['12+95=107', '107-60=47'] Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 54+47=101, Resulting Numbers: [101] 101,97 unequal: No Solution Exploring Operation: 54*47=2538, Resulting Numbers: [2538] 2538,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 97:[107, 6], Operations: ['12+95=107', '60-54=6'] Exploring Operation: 107+6=113, Resulting Numbers: [113] 113,97 unequal: No Solution Exploring Operation: 107*6=642, Resulting Numbers: [642] 642,97 unequal: No Solution Exploring Operation: 107-6=101, Resulting Numbers: [101] 101,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 97:[60, 161], Operations: ['12+95=107', '54+107=161'] Exploring Operation: 161-60=101, Resulting Numbers: [101] 101,97 unequal: No Solution Exploring Operation: 60+161=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 60*161=9660, Resulting Numbers: [9660] 9660,97 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: 97:[95, 60, 42], Operations: ['54-12=42'] Exploring Operation: 60-42=18, Resulting Numbers: [95, 18] Generated Node #0,3,0: 97:[95, 18] Operation: 60-42=18 Exploring Operation: 95+60=155, Resulting Numbers: [42, 155] Generated Node #0,3,1: 97:[42, 155] Operation: 95+60=155 Exploring Operation: 60+42=102, Resulting Numbers: [95, 102] Generated Node #0,3,2: 97:[95, 102] Operation: 60+42=102 Exploring Operation: 95+42=137, Resulting Numbers: [60, 137] Generated Node #0,3,3: 97:[60, 137] Operation: 95+42=137 Exploring Operation: 95-42=53, Resulting Numbers: [60, 53] Generated Node #0,3,4: 97:[60, 53] Operation: 95-42=53 Moving to Node #0,4 Current State: 97:[54, 60, 83], Operations: ['95-12=83'] Exploring Operation: 54+60=114, Resulting Numbers: [83, 114] Generated Node #0,4,0: 97:[83, 114] Operation: 54+60=114 Exploring Operation: 60-54=6, Resulting Numbers: [83, 6] Generated Node #0,4,1: 97:[83, 6] Operation: 60-54=6 Exploring Operation: 54+83=137, Resulting Numbers: [60, 137] Generated Node #0,4,2: 97:[60, 137] Operation: 54+83=137 Exploring Operation: 83-54=29, Resulting Numbers: [60, 29] Generated Node #0,4,3: 97:[60, 29] Operation: 83-54=29 Exploring Operation: 60+83=143, Resulting Numbers: [54, 143] Generated Node #0,4,4: 97:[54, 143] Operation: 60+83=143 Moving to Node #0,3,2 Current State: 97:[95, 102], Operations: ['54-12=42', '60+42=102'] Exploring Operation: 95*102=9690, Resulting Numbers: [9690] 9690,97 unequal: No Solution Exploring Operation: 102-95=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 95+102=197, Resulting Numbers: [197] 197,97 unequal: No Solution Moving to Node #0,1,2 Current State: 97:[95, 126], Operations: ['12+54=66', '60+66=126'] Exploring Operation: 95+126=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 126-95=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 95*126=11970, Resulting Numbers: [11970] 11970,97 unequal: No Solution Moving to Node #0,4,0 Current State: 97:[83, 114], Operations: ['95-12=83', '54+60=114'] Exploring Operation: 114-83=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 83+114=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 83*114=9462, Resulting Numbers: [9462] 9462,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[60, 137], Operations: ['54-12=42', '95+42=137'] Exploring Operation: 137-60=77, Resulting Numbers: [77] 77,97 unequal: No Solution Exploring Operation: 60*137=8220, Resulting Numbers: [8220] 8220,97 unequal: No Solution Exploring Operation: 60+137=197, Resulting Numbers: [197] 197,97 unequal: No Solution Moving to Node #0,4,2 Current State: 97:[60, 137], Operations: ['95-12=83', '54+83=137'] Exploring Operation: 60*137=8220, Resulting Numbers: [8220] 8220,97 unequal: No Solution Exploring Operation: 60+137=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 137-60=77, Resulting Numbers: [77] 77,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[95, 18], Operations: ['54-12=42', '60-42=18'] Exploring Operation: 95+18=113, Resulting Numbers: [113] 113,97 unequal: No Solution Exploring Operation: 95*18=1710, Resulting Numbers: [1710] 1710,97 unequal: No Solution Exploring Operation: 95-18=77, Resulting Numbers: [77] 77,97 unequal: No Solution Moving to Node #0,3,4 Current State: 97:[60, 53], Operations: ['54-12=42', '95-42=53'] Exploring Operation: 60-53=7, Resulting Numbers: [7] 7,97 unequal: No Solution Exploring Operation: 60+53=113, Resulting Numbers: [113] 113,97 unequal: No Solution Exploring Operation: 60*53=3180, Resulting Numbers: [3180] 3180,97 unequal: No Solution Moving to Node #0,4,4 Current State: 97:[54, 143], Operations: ['95-12=83', '60+83=143'] Exploring Operation: 54+143=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 143-54=89, Resulting Numbers: [89] 89,97 unequal: No Solution Exploring Operation: 54*143=7722, Resulting Numbers: [7722] 7722,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[66, 155], Operations: ['12+54=66', '95+60=155'] Exploring Operation: 66+155=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 66*155=10230, Resulting Numbers: [10230] 10230,97 unequal: No Solution Exploring Operation: 155-66=89, Resulting Numbers: [89] 89,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[66, 35], Operations: ['12+54=66', '95-60=35'] Exploring Operation: 66*35=2310, Resulting Numbers: [2310] 2310,97 unequal: No Solution Exploring Operation: 66+35=101, Resulting Numbers: [101] 101,97 unequal: No Solution Exploring Operation: 66-35=31, Resulting Numbers: [31] 31,97 unequal: No Solution Moving to Node #0,1,4 Current State: 97:[95, 6], Operations: ['12+54=66', '66-60=6'] Exploring Operation: 95+6=101, Resulting Numbers: [101] 101,97 unequal: No Solution Exploring Operation: 95-6=89, Resulting Numbers: [89] 89,97 unequal: No Solution Exploring Operation: 95*6=570, Resulting Numbers: [570] 570,97 unequal: No Solution Moving to Node #0,1,3 Current State: 97:[60, 161], Operations: ['12+54=66', '95+66=161'] Exploring Operation: 60+161=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 161-60=101, Resulting Numbers: [101] 101,97 unequal: No Solution Exploring Operation: 60*161=9660, Resulting Numbers: [9660] 9660,97 unequal: No Solution Moving to Node #0,4,3 Current State: 97:[60, 29], Operations: ['95-12=83', '83-54=29'] Exploring Operation: 60-29=31, Resulting Numbers: [31] 31,97 unequal: No Solution Exploring Operation: 60*29=1740, Resulting Numbers: [1740] 1740,97 unequal: No Solution Exploring Operation: 60+29=89, Resulting Numbers: [89] 89,97 unequal: No Solution Moving to Node #0,4,1 Current State: 97:[83, 6], Operations: ['95-12=83', '60-54=6'] Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,97 unequal: No Solution Exploring Operation: 83*6=498, Resulting Numbers: [498] 498,97 unequal: No Solution Exploring Operation: 83+6=89, Resulting Numbers: [89] 89,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[42, 155], Operations: ['54-12=42', '95+60=155'] Exploring Operation: 155-42=113, Resulting Numbers: [113] 113,97 unequal: No Solution Exploring Operation: 42+155=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 42*155=6510, Resulting Numbers: [6510] 6510,97 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 48, 99, 7, 64 ]
90
[ "48+99=147", "64-7=57", "147-57=90" ]
Current State: 90:[48, 99, 7, 64], Operations: [] Exploring Operation: 48+99=147, Resulting Numbers: [7, 64, 147] Generated Node #2: [7, 64, 147] from Operation: 48+99=147 Current State: 90:[7, 64, 147], Operations: ['48+99=147'] Exploring Operation: 64-7=57, Resulting Numbers: [147, 57] Generated Node #3: [147, 57] from Operation: 64-7=57 Current State: 90:[147, 57], Operations: ['48+99=147', '64-7=57'] Exploring Operation: 147-57=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[48, 99, 7, 64], Operations: [] Exploring Operation: 99-64=35, Resulting Numbers: [48, 7, 35] Generated Node #0,0: 90:[48, 7, 35] Operation: 99-64=35 Exploring Operation: 64-48=16, Resulting Numbers: [99, 7, 16] Generated Node #0,1: 90:[99, 7, 16] Operation: 64-48=16 Exploring Operation: 64-7=57, Resulting Numbers: [48, 99, 57] Generated Node #0,2: 90:[48, 99, 57] Operation: 64-7=57 Exploring Operation: 99-7=92, Resulting Numbers: [48, 64, 92] Generated Node #0,3: 90:[48, 64, 92] Operation: 99-7=92 Moving to Node #0,0 Current State: 90:[48, 7, 35], Operations: ['99-64=35'] Exploring Operation: 35/7=5, Resulting Numbers: [48, 5] Generated Node #0,0,0: 90:[48, 5] Operation: 35/7=5 Exploring Operation: 48-35=13, Resulting Numbers: [7, 13] Generated Node #0,0,1: 90:[7, 13] Operation: 48-35=13 Exploring Operation: 7+35=42, Resulting Numbers: [48, 42] Generated Node #0,0,2: 90:[48, 42] Operation: 7+35=42 Exploring Operation: 35-7=28, Resulting Numbers: [48, 28] Generated Node #0,0,3: 90:[48, 28] Operation: 35-7=28 Moving to Node #0,1 Current State: 90:[99, 7, 16], Operations: ['64-48=16'] Exploring Operation: 99-16=83, Resulting Numbers: [7, 83] Generated Node #0,1,0: 90:[7, 83] Operation: 99-16=83 Exploring Operation: 16-7=9, Resulting Numbers: [99, 9] Generated Node #0,1,1: 90:[99, 9] Operation: 16-7=9 Exploring Operation: 99-7=92, Resulting Numbers: [16, 92] Generated Node #0,1,2: 90:[16, 92] Operation: 99-7=92 Exploring Operation: 7+16=23, Resulting Numbers: [99, 23] Generated Node #0,1,3: 90:[99, 23] Operation: 7+16=23 Moving to Node #0,3 Current State: 90:[48, 64, 92], Operations: ['99-7=92'] Exploring Operation: 92-64=28, Resulting Numbers: [48, 28] Generated Node #0,3,0: 90:[48, 28] Operation: 92-64=28 Exploring Operation: 48+64=112, Resulting Numbers: [92, 112] Generated Node #0,3,1: 90:[92, 112] Operation: 48+64=112 Exploring Operation: 92-48=44, Resulting Numbers: [64, 44] Generated Node #0,3,2: 90:[64, 44] Operation: 92-48=44 Exploring Operation: 64-48=16, Resulting Numbers: [92, 16] Generated Node #0,3,3: 90:[92, 16] Operation: 64-48=16 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 90:[92, 16], Operations: ['99-7=92', '64-48=16'] Exploring Operation: 92*16=1472, Resulting Numbers: [1472] 1472,90 unequal: No Solution Exploring Operation: 92-16=76, Resulting Numbers: [76] 76,90 unequal: No Solution Exploring Operation: 92+16=108, Resulting Numbers: [108] 108,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 90:[48, 28], Operations: ['99-7=92', '92-64=28'] Exploring Operation: 48*28=1344, Resulting Numbers: [1344] 1344,90 unequal: No Solution Exploring Operation: 48-28=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 48+28=76, Resulting Numbers: [76] 76,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 90:[64, 44], Operations: ['99-7=92', '92-48=44'] Exploring Operation: 64*44=2816, Resulting Numbers: [2816] 2816,90 unequal: No Solution Exploring Operation: 64+44=108, Resulting Numbers: [108] 108,90 unequal: No Solution Exploring Operation: 64-44=20, Resulting Numbers: [20] 20,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 90:[92, 112], Operations: ['99-7=92', '48+64=112'] Exploring Operation: 92+112=204, Resulting Numbers: [204] 204,90 unequal: No Solution Exploring Operation: 112-92=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 92*112=10304, Resulting Numbers: [10304] 10304,90 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: 90:[48, 99, 57], Operations: ['64-7=57'] Exploring Operation: 48+57=105, Resulting Numbers: [99, 105] Generated Node #0,2,0: 90:[99, 105] Operation: 48+57=105 Exploring Operation: 99-57=42, Resulting Numbers: [48, 42] Generated Node #0,2,1: 90:[48, 42] Operation: 99-57=42 Exploring Operation: 99-48=51, Resulting Numbers: [57, 51] Generated Node #0,2,2: 90:[57, 51] Operation: 99-48=51 Exploring Operation: 57-48=9, Resulting Numbers: [99, 9] Generated Node #0,2,3: 90:[99, 9] Operation: 57-48=9 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 90:[48, 42], Operations: ['64-7=57', '99-57=42'] Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[48, 99, 7, 64], Operations: [] Exploring Operation: 64-7=57, Resulting Numbers: [48, 99, 57] Generated Node #0,2: 90:[48, 99, 57] Operation: 64-7=57 Moving to Node #0,2 Current State: 90:[48, 99, 57], Operations: ['64-7=57'] Exploring Operation: 99-57=42, Resulting Numbers: [48, 42] Generated Node #0,2,1: 90:[48, 42] Operation: 99-57=42 Moving to Node #0,2,1 Current State: 90:[48, 42], Operations: ['64-7=57', '99-57=42'] Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
mult_heuristic
[ 36, 38, 16, 86 ]
94
[ "38-36=2", "16/2=8", "86+8=94" ]
Current State: 94:[36, 38, 16, 86], Operations: [] Exploring Operation: 38-36=2, Resulting Numbers: [16, 86, 2] Generated Node #2: [16, 86, 2] from Operation: 38-36=2 Current State: 94:[16, 86, 2], Operations: ['38-36=2'] Exploring Operation: 16/2=8, Resulting Numbers: [86, 8] Generated Node #3: [86, 8] from Operation: 16/2=8 Current State: 94:[86, 8], Operations: ['38-36=2', '16/2=8'] Exploring Operation: 86+8=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[36, 38, 16, 86], Operations: [] Exploring Operation: 86-36=50, Resulting Numbers: [38, 16, 50] Generated Node #0,0: 94:[38, 16, 50] Operation: 86-36=50 Exploring Operation: 36+16=52, Resulting Numbers: [38, 86, 52] Generated Node #0,1: 94:[38, 86, 52] Operation: 36+16=52 Exploring Operation: 38-36=2, Resulting Numbers: [16, 86, 2] Generated Node #0,2: 94:[16, 86, 2] Operation: 38-36=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[38, 86, 52], Operations: ['36+16=52'] Exploring Operation: 86-38=48, Resulting Numbers: [52, 48] Generated Node #0,1,0: 94:[52, 48] Operation: 86-38=48 Exploring Operation: 38+52=90, Resulting Numbers: [86, 90] Generated Node #0,1,1: 94:[86, 90] Operation: 38+52=90 Exploring Operation: 52-38=14, Resulting Numbers: [86, 14] Generated Node #0,1,2: 94:[86, 14] Operation: 52-38=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[52, 48], Operations: ['36+16=52', '86-38=48'] Exploring Operation: 52+48=100, Resulting Numbers: [100] 100,94 unequal: No Solution Exploring Operation: 52-48=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 52*48=2496, Resulting Numbers: [2496] 2496,94 unequal: No Solution No 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: 94:[86, 90], Operations: ['36+16=52', '38+52=90'] Exploring Operation: 90-86=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 86*90=7740, Resulting Numbers: [7740] 7740,94 unequal: No Solution Exploring Operation: 86+90=176, Resulting Numbers: [176] 176,94 unequal: No Solution No 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: 94:[86, 14], Operations: ['36+16=52', '52-38=14'] Exploring Operation: 86*14=1204, Resulting Numbers: [1204] 1204,94 unequal: No Solution Exploring Operation: 86+14=100, Resulting Numbers: [100] 100,94 unequal: No Solution Exploring Operation: 86-14=72, Resulting Numbers: [72] 72,94 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: 94:[16, 86, 2], Operations: ['38-36=2'] Exploring Operation: 16/2=8, Resulting Numbers: [86, 8] Generated Node #0,2,0: 94:[86, 8] Operation: 16/2=8 Exploring Operation: 86/2=43, Resulting Numbers: [16, 43] Generated Node #0,2,1: 94:[16, 43] Operation: 86/2=43 Exploring Operation: 16+86=102, Resulting Numbers: [2, 102] Generated Node #0,2,2: 94:[2, 102] Operation: 16+86=102 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 94:[2, 102], Operations: ['38-36=2', '16+86=102'] Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,94 unequal: No Solution Exploring Operation: 102/2=51, Resulting Numbers: [51] 51,94 unequal: No Solution Exploring Operation: 2+102=104, Resulting Numbers: [104] 104,94 unequal: No Solution No 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: 94:[86, 8], Operations: ['38-36=2', '16/2=8'] Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,94 unequal: No Solution Exploring Operation: 86+8=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[36, 38, 16, 86], Operations: [] Exploring Operation: 38-36=2, Resulting Numbers: [16, 86, 2] Generated Node #0,2: 94:[16, 86, 2] Operation: 38-36=2 Moving to Node #0,2 Current State: 94:[16, 86, 2], Operations: ['38-36=2'] Exploring Operation: 16/2=8, Resulting Numbers: [86, 8] Generated Node #0,2,0: 94:[86, 8] Operation: 16/2=8 Moving to Node #0,2,0 Current State: 94:[86, 8], Operations: ['38-36=2', '16/2=8'] Exploring Operation: 86+8=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.976563
hs_3
sum_heuristic
[ 7, 37, 39, 33 ]
13
[ "37-7=30", "33-30=3", "39/3=13" ]
Current State: 13:[7, 37, 39, 33], Operations: [] Exploring Operation: 37-7=30, Resulting Numbers: [39, 33, 30] Generated Node #2: [39, 33, 30] from Operation: 37-7=30 Current State: 13:[39, 33, 30], Operations: ['37-7=30'] Exploring Operation: 33-30=3, Resulting Numbers: [39, 3] Generated Node #3: [39, 3] from Operation: 33-30=3 Current State: 13:[39, 3], Operations: ['37-7=30', '33-30=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[7, 37, 39, 33], Operations: [] Exploring Operation: 37-7=30, Resulting Numbers: [39, 33, 30] Generated Node #0,0: 13:[39, 33, 30] Operation: 37-7=30 Exploring Operation: 39-37=2, Resulting Numbers: [7, 33, 2] Generated Node #0,1: 13:[7, 33, 2] Operation: 39-37=2 Exploring Operation: 37-33=4, Resulting Numbers: [7, 39, 4] Generated Node #0,2: 13:[7, 39, 4] Operation: 37-33=4 Exploring Operation: 39-33=6, Resulting Numbers: [7, 37, 6] Generated Node #0,3: 13:[7, 37, 6] Operation: 39-33=6 Moving to Node #0,1 Current State: 13:[7, 33, 2], Operations: ['39-37=2'] Exploring Operation: 7+2=9, Resulting Numbers: [33, 9] Generated Node #0,1,0: 13:[33, 9] Operation: 7+2=9 Exploring Operation: 7*2=14, Resulting Numbers: [33, 14] Generated Node #0,1,1: 13:[33, 14] Operation: 7*2=14 Exploring Operation: 33-7=26, Resulting Numbers: [2, 26] Generated Node #0,1,2: 13:[2, 26] Operation: 33-7=26 Exploring Operation: 33-2=31, Resulting Numbers: [7, 31] Generated Node #0,1,3: 13:[7, 31] Operation: 33-2=31 Moving to Node #0,3 Current State: 13:[7, 37, 6], Operations: ['39-33=6'] Exploring Operation: 7+6=13, Resulting Numbers: [37, 13] Generated Node #0,3,0: 13:[37, 13] Operation: 7+6=13 Exploring Operation: 37-6=31, Resulting Numbers: [7, 31] Generated Node #0,3,1: 13:[7, 31] Operation: 37-6=31 Exploring Operation: 7-6=1, Resulting Numbers: [37, 1] Generated Node #0,3,2: 13:[37, 1] Operation: 7-6=1 Exploring Operation: 37-7=30, Resulting Numbers: [6, 30] Generated Node #0,3,3: 13:[6, 30] Operation: 37-7=30 Moving to Node #0,2 Current State: 13:[7, 39, 4], Operations: ['37-33=4'] Exploring Operation: 39-7=32, Resulting Numbers: [4, 32] Generated Node #0,2,0: 13:[4, 32] Operation: 39-7=32 Exploring Operation: 7+4=11, Resulting Numbers: [39, 11] Generated Node #0,2,1: 13:[39, 11] Operation: 7+4=11 Exploring Operation: 7-4=3, Resulting Numbers: [39, 3] Generated Node #0,2,2: 13:[39, 3] Operation: 7-4=3 Exploring Operation: 39-4=35, Resulting Numbers: [7, 35] Generated Node #0,2,3: 13:[7, 35] Operation: 39-4=35 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[4, 32], Operations: ['37-33=4', '39-7=32'] Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,13 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,13 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[39, 11], Operations: ['37-33=4', '7+4=11'] Exploring Operation: 39+11=50, Resulting Numbers: [50] 50,13 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 39*11=429, Resulting Numbers: [429] 429,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[7, 35], Operations: ['37-33=4', '39-4=35'] Exploring Operation: 35-7=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 7+35=42, Resulting Numbers: [42] 42,13 unequal: No Solution Exploring Operation: 7*35=245, Resulting Numbers: [245] 245,13 unequal: No Solution Exploring Operation: 35/7=5, Resulting Numbers: [5] 5,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[39, 3], Operations: ['37-33=4', '7-4=3'] Exploring Operation: 39*3=117, Resulting Numbers: [117] 117,13 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[7, 37, 39, 33], Operations: [] Exploring Operation: 37-33=4, Resulting Numbers: [7, 39, 4] Generated Node #0,2: 13:[7, 39, 4] Operation: 37-33=4 Moving to Node #0,2 Current State: 13:[7, 39, 4], Operations: ['37-33=4'] Exploring Operation: 7-4=3, Resulting Numbers: [39, 3] Generated Node #0,2,2: 13:[39, 3] Operation: 7-4=3 Moving to Node #0,2,2 Current State: 13:[39, 3], Operations: ['37-33=4', '7-4=3'] Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 83, 54, 18, 60 ]
71
[ "83-54=29", "60-18=42", "29+42=71" ]
Current State: 71:[83, 54, 18, 60], Operations: [] Exploring Operation: 83-54=29, Resulting Numbers: [18, 60, 29] Generated Node #2: [18, 60, 29] from Operation: 83-54=29 Current State: 71:[18, 60, 29], Operations: ['83-54=29'] Exploring Operation: 60-18=42, Resulting Numbers: [29, 42] Generated Node #3: [29, 42] from Operation: 60-18=42 Current State: 71:[29, 42], Operations: ['83-54=29', '60-18=42'] Exploring Operation: 29+42=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[83, 54, 18, 60], Operations: [] Exploring Operation: 83+18=101, Resulting Numbers: [54, 60, 101] Generated Node #0,0: 71:[54, 60, 101] Operation: 83+18=101 Exploring Operation: 83-18=65, Resulting Numbers: [54, 60, 65] Generated Node #0,1: 71:[54, 60, 65] Operation: 83-18=65 Exploring Operation: 18+60=78, Resulting Numbers: [83, 54, 78] Generated Node #0,2: 71:[83, 54, 78] Operation: 18+60=78 Exploring Operation: 54-18=36, Resulting Numbers: [83, 60, 36] Generated Node #0,3: 71:[83, 60, 36] Operation: 54-18=36 Exploring Operation: 54+18=72, Resulting Numbers: [83, 60, 72] Generated Node #0,4: 71:[83, 60, 72] Operation: 54+18=72 Start Sub Search at level 1: Moving to Node #0,4 Current State: 71:[83, 60, 72], Operations: ['54+18=72'] Exploring Operation: 83-60=23, Resulting Numbers: [72, 23] Generated Node #0,4,0: 71:[72, 23] Operation: 83-60=23 Exploring Operation: 72-60=12, Resulting Numbers: [83, 12] Generated Node #0,4,1: 71:[83, 12] Operation: 72-60=12 Exploring Operation: 83-72=11, Resulting Numbers: [60, 11] Generated Node #0,4,2: 71:[60, 11] Operation: 83-72=11 Exploring Operation: 83+60=143, Resulting Numbers: [72, 143] Generated Node #0,4,3: 71:[72, 143] Operation: 83+60=143 Exploring Operation: 60+72=132, Resulting Numbers: [83, 132] Generated Node #0,4,4: 71:[83, 132] Operation: 60+72=132 Moving to Node #0,4,0 Current State: 71:[72, 23], Operations: ['54+18=72', '83-60=23'] Exploring Operation: 72+23=95, Resulting Numbers: [95] 95,71 unequal: No Solution Exploring Operation: 72*23=1656, Resulting Numbers: [1656] 1656,71 unequal: No Solution Exploring Operation: 72-23=49, Resulting Numbers: [49] 49,71 unequal: No Solution Moving to Node #0,4,2 Current State: 71:[60, 11], Operations: ['54+18=72', '83-72=11'] Exploring Operation: 60*11=660, Resulting Numbers: [660] 660,71 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,71 unequal: No Solution Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[83, 54, 18, 60], Operations: [] Exploring Operation: 54+18=72, Resulting Numbers: [83, 60, 72] Generated Node #0,4: 71:[83, 60, 72] Operation: 54+18=72 Moving to Node #0,4 Current State: 71:[83, 60, 72], Operations: ['54+18=72'] Exploring Operation: 83-72=11, Resulting Numbers: [60, 11] Generated Node #0,4,2: 71:[60, 11] Operation: 83-72=11 Moving to Node #0,4,2 Current State: 71:[60, 11], Operations: ['54+18=72', '83-72=11'] Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 99, 64, 2, 48 ]
66
[ "99*64=6336", "2*48=96", "6336/96=66" ]
Current State: 66:[99, 64, 2, 48], Operations: [] Exploring Operation: 99*64=6336, Resulting Numbers: [2, 48, 6336] Generated Node #2: [2, 48, 6336] from Operation: 99*64=6336 Current State: 66:[2, 48, 6336], Operations: ['99*64=6336'] Exploring Operation: 2*48=96, Resulting Numbers: [6336, 96] Generated Node #3: [6336, 96] from Operation: 2*48=96 Current State: 66:[6336, 96], Operations: ['99*64=6336', '2*48=96'] Exploring Operation: 6336/96=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[99, 64, 2, 48], Operations: [] Exploring Operation: 99-64=35, Resulting Numbers: [2, 48, 35] Generated Node #0,0: 66:[2, 48, 35] Operation: 99-64=35 Exploring Operation: 99-48=51, Resulting Numbers: [64, 2, 51] Generated Node #0,1: 66:[64, 2, 51] Operation: 99-48=51 Moving to Node #0,0 Current State: 66:[2, 48, 35], Operations: ['99-64=35'] Exploring Operation: 48/2=24, Resulting Numbers: [35, 24] Generated Node #0,0,0: 66:[35, 24] Operation: 48/2=24 Exploring Operation: 48-35=13, Resulting Numbers: [2, 13] Generated Node #0,0,1: 66:[2, 13] Operation: 48-35=13 Moving to Node #0,1 Current State: 66:[64, 2, 51], Operations: ['99-48=51'] Exploring Operation: 64+2=66, Resulting Numbers: [51, 66] Generated Node #0,1,0: 66:[51, 66] Operation: 64+2=66 Exploring Operation: 64-51=13, Resulting Numbers: [2, 13] Generated Node #0,1,1: 66:[2, 13] Operation: 64-51=13 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 66:[2, 13], Operations: ['99-48=51', '64-51=13'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 66:[51, 66], Operations: ['99-48=51', '64+2=66'] Exploring Operation: 51+66=117, Resulting Numbers: [117] 117,66 unequal: No Solution Exploring Operation: 66-51=15, Resulting Numbers: [15] 15,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 66:[2, 13], Operations: ['99-64=35', '48-35=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,66 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,66 unequal: No Solution Moving to Node #0,0,0 Current State: 66:[35, 24], Operations: ['99-64=35', '48/2=24'] Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,66 unequal: No Solution Exploring Operation: 35+24=59, Resulting Numbers: [59] 59,66 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 75, 74, 74, 16 ]
90
[ "75-74=1", "74+16=90", "1*90=90" ]
Current State: 90:[75, 74, 74, 16], Operations: [] Exploring Operation: 75-74=1, Resulting Numbers: [16, 1] Generated Node #2: [16, 1] from Operation: 75-74=1 Current State: 90:[16, 1], Operations: ['75-74=1'] Exploring Operation: 74+16=90, Resulting Numbers: [1, 90] Generated Node #3: [1, 90] from Operation: 74+16=90 Current State: 90:[1, 90], Operations: ['75-74=1', '74+16=90'] Exploring Operation: 1*90=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[75, 74, 74, 16], Operations: [] Exploring Operation: 74-74=0, Resulting Numbers: [75, 16, 0] Generated Node #0,0: 90:[75, 16, 0] Operation: 74-74=0 Exploring Operation: 75-74=1, Resulting Numbers: [74, 16, 1] Generated Node #0,1: 90:[74, 16, 1] Operation: 75-74=1 Exploring Operation: 74/74=1, Resulting Numbers: [75, 16, 1] Generated Node #0,2: 90:[75, 16, 1] Operation: 74/74=1 Exploring Operation: 74+16=90, Resulting Numbers: [75, 74, 90] Generated Node #0,3: 90:[75, 74, 90] Operation: 74+16=90 Exploring Operation: 75-74=1, Resulting Numbers: [74, 16, 1] Generated Node #0,4: 90:[74, 16, 1] Operation: 75-74=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 90:[75, 16, 1], Operations: ['74/74=1'] Exploring Operation: 75+16=91, Resulting Numbers: [1, 91] Generated Node #0,2,0: 90:[1, 91] Operation: 75+16=91 Exploring Operation: 75-16=59, Resulting Numbers: [1, 59] Generated Node #0,2,1: 90:[1, 59] Operation: 75-16=59 Exploring Operation: 75+1=76, Resulting Numbers: [16, 76] Generated Node #0,2,2: 90:[16, 76] Operation: 75+1=76 Exploring Operation: 16-1=15, Resulting Numbers: [75, 15] Generated Node #0,2,3: 90:[75, 15] Operation: 16-1=15 Exploring Operation: 75*1=75, Resulting Numbers: [16, 75] Generated Node #0,2,4: 90:[16, 75] Operation: 75*1=75 Moving to Node #0,2,0 Current State: 90:[1, 91], Operations: ['74/74=1', '75+16=91'] Exploring Operation: 1*91=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 91/1=91, Resulting Numbers: [91] 91,90 unequal: No Solution Exploring Operation: 1+91=92, Resulting Numbers: [92] 92,90 unequal: No Solution Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[75, 74, 74, 16], Operations: [] Exploring Operation: 74/74=1, Resulting Numbers: [75, 16, 1] Generated Node #0,2: 90:[75, 16, 1] Operation: 74/74=1 Moving to Node #0,2 Current State: 90:[75, 16, 1], Operations: ['74/74=1'] Exploring Operation: 75+16=91, Resulting Numbers: [1, 91] Generated Node #0,2,0: 90:[1, 91] Operation: 75+16=91 Moving to Node #0,2,0 Current State: 90:[1, 91], Operations: ['74/74=1', '75+16=91'] Exploring Operation: 91-1=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 37, 35, 25, 90 ]
63
[ "37-35=2", "90-25=65", "65-2=63" ]
Current State: 63:[37, 35, 25, 90], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [25, 90, 2] Generated Node #2: [25, 90, 2] from Operation: 37-35=2 Current State: 63:[25, 90, 2], Operations: ['37-35=2'] Exploring Operation: 90-25=65, Resulting Numbers: [2, 65] Generated Node #3: [2, 65] from Operation: 90-25=65 Current State: 63:[2, 65], Operations: ['37-35=2', '90-25=65'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[37, 35, 25, 90], Operations: [] Exploring Operation: 90-37=53, Resulting Numbers: [35, 25, 53] Generated Node #0,0: 63:[35, 25, 53] Operation: 90-37=53 Moving to Node #0,0 Current State: 63:[35, 25, 53], Operations: ['90-37=53'] Exploring Operation: 53-35=18, Resulting Numbers: [25, 18] Generated Node #0,0,0: 63:[25, 18] Operation: 53-35=18 Moving to Node #0,0,0 Current State: 63:[25, 18], Operations: ['90-37=53', '53-35=18'] Exploring Operation: 25-18=7, Resulting Numbers: [7] 7,63 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 10, 14, 76, 36 ]
10
[ "14-10=4", "76-36=40", "40/4=10" ]
Current State: 10:[10, 14, 76, 36], Operations: [] Exploring Operation: 14-10=4, Resulting Numbers: [76, 36, 4] Generated Node #2: [76, 36, 4] from Operation: 14-10=4 Current State: 10:[76, 36, 4], Operations: ['14-10=4'] Exploring Operation: 76-36=40, Resulting Numbers: [4, 40] Generated Node #3: [4, 40] from Operation: 76-36=40 Current State: 10:[4, 40], Operations: ['14-10=4', '76-36=40'] Exploring Operation: 40/4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[10, 14, 76, 36], Operations: [] Exploring Operation: 76-14=62, Resulting Numbers: [10, 36, 62] Generated Node #0,0: 10:[10, 36, 62] Operation: 76-14=62 Exploring Operation: 76-36=40, Resulting Numbers: [10, 14, 40] Generated Node #0,1: 10:[10, 14, 40] Operation: 76-36=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[10, 14, 40], Operations: ['76-36=40'] Exploring Operation: 40/10=4, Resulting Numbers: [14, 4] Generated Node #0,1,0: 10:[14, 4] Operation: 40/10=4 Exploring Operation: 40-14=26, Resulting Numbers: [10, 26] Generated Node #0,1,1: 10:[10, 26] Operation: 40-14=26 Moving to Node #0,1,0 Current State: 10:[14, 4], Operations: ['76-36=40', '40/10=4'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[10, 14, 76, 36], Operations: [] Exploring Operation: 76-36=40, Resulting Numbers: [10, 14, 40] Generated Node #0,1: 10:[10, 14, 40] Operation: 76-36=40 Moving to Node #0,1 Current State: 10:[10, 14, 40], Operations: ['76-36=40'] Exploring Operation: 40/10=4, Resulting Numbers: [14, 4] Generated Node #0,1,0: 10:[14, 4] Operation: 40/10=4 Moving to Node #0,1,0 Current State: 10:[14, 4], Operations: ['76-36=40', '40/10=4'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 81, 69, 53, 2 ]
77
[ "81-69=12", "2*12=24", "53+24=77" ]
Current State: 77:[81, 69, 53, 2], Operations: [] Exploring Operation: 81-69=12, Resulting Numbers: [53, 2, 12] Generated Node #2: [53, 2, 12] from Operation: 81-69=12 Current State: 77:[53, 2, 12], Operations: ['81-69=12'] Exploring Operation: 2*12=24, Resulting Numbers: [53, 24] Generated Node #3: [53, 24] from Operation: 2*12=24 Current State: 77:[53, 24], Operations: ['81-69=12', '2*12=24'] Exploring Operation: 53+24=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[81, 69, 53, 2], Operations: [] Exploring Operation: 81-69=12, Resulting Numbers: [53, 2, 12] Generated Node #0,0: 77:[53, 2, 12] Operation: 81-69=12 Exploring Operation: 69-53=16, Resulting Numbers: [81, 2, 16] Generated Node #0,1: 77:[81, 2, 16] Operation: 69-53=16 Moving to Node #0,1 Current State: 77:[81, 2, 16], Operations: ['69-53=16'] Exploring Operation: 16/2=8, Resulting Numbers: [81, 8] Generated Node #0,1,0: 77:[81, 8] Operation: 16/2=8 Exploring Operation: 81-2=79, Resulting Numbers: [16, 79] Generated Node #0,1,1: 77:[16, 79] Operation: 81-2=79 Moving to Node #0,0 Current State: 77:[53, 2, 12], Operations: ['81-69=12'] Exploring Operation: 53+2=55, Resulting Numbers: [12, 55] Generated Node #0,0,0: 77:[12, 55] Operation: 53+2=55 Exploring Operation: 53+12=65, Resulting Numbers: [2, 65] Generated Node #0,0,1: 77:[2, 65] Operation: 53+12=65 Moving to Node #0,1,0 Current State: 77:[81, 8], Operations: ['69-53=16', '16/2=8'] Exploring Operation: 81+8=89, Resulting Numbers: [89] 89,77 unequal: No Solution Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,77 unequal: No Solution Moving to Node #0,1,1 Current State: 77:[16, 79], Operations: ['69-53=16', '81-2=79'] Exploring Operation: 16+79=95, Resulting Numbers: [95] 95,77 unequal: No Solution Exploring Operation: 79-16=63, Resulting Numbers: [63] 63,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[2, 65], Operations: ['81-69=12', '53+12=65'] Exploring Operation: 2+65=67, Resulting Numbers: [67] 67,77 unequal: No Solution Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,77 unequal: No Solution Moving to Node #0,0,0 Current State: 77:[12, 55], Operations: ['81-69=12', '53+2=55'] Exploring Operation: 55-12=43, Resulting Numbers: [43] 43,77 unequal: No Solution Exploring Operation: 12+55=67, Resulting Numbers: [67] 67,77 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 40, 81, 37, 41 ]
79
[ "41-37=4", "40*4=160", "160-81=79" ]
Current State: 79:[40, 81, 37, 41], Operations: [] Exploring Operation: 41-37=4, Resulting Numbers: [40, 81, 4] Generated Node #2: [40, 81, 4] from Operation: 41-37=4 Current State: 79:[40, 81, 4], Operations: ['41-37=4'] Exploring Operation: 40*4=160, Resulting Numbers: [81, 160] Generated Node #3: [81, 160] from Operation: 40*4=160 Current State: 79:[81, 160], Operations: ['41-37=4', '40*4=160'] Exploring Operation: 160-81=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[40, 81, 37, 41], Operations: [] Exploring Operation: 37+41=78, Resulting Numbers: [40, 81, 78] Generated Node #0,0: 79:[40, 81, 78] Operation: 37+41=78 Exploring Operation: 40+37=77, Resulting Numbers: [81, 41, 77] Generated Node #0,1: 79:[81, 41, 77] Operation: 40+37=77 Exploring Operation: 40+41=81, Resulting Numbers: [81, 37, 81] Generated Node #0,2: 79:[81, 37, 81] Operation: 40+41=81 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[40, 81, 78], Operations: ['37+41=78'] Exploring Operation: 40+78=118, Resulting Numbers: [81, 118] Generated Node #0,0,0: 79:[81, 118] Operation: 40+78=118 Exploring Operation: 81-40=41, Resulting Numbers: [78, 41] Generated Node #0,0,1: 79:[78, 41] Operation: 81-40=41 Exploring Operation: 40+81=121, Resulting Numbers: [78, 121] Generated Node #0,0,2: 79:[78, 121] Operation: 40+81=121 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[78, 41], Operations: ['37+41=78', '81-40=41'] Exploring Operation: 78-41=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 78*41=3198, Resulting Numbers: [3198] 3198,79 unequal: No Solution Exploring Operation: 78+41=119, Resulting Numbers: [119] 119,79 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 #0,0,0 Current State: 79:[81, 118], Operations: ['37+41=78', '40+78=118'] Exploring Operation: 81*118=9558, Resulting Numbers: [9558] 9558,79 unequal: No Solution Exploring Operation: 81+118=199, Resulting Numbers: [199] 199,79 unequal: No Solution Exploring Operation: 118-81=37, Resulting Numbers: [37] 37,79 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 #0,0,2 Current State: 79:[78, 121], Operations: ['37+41=78', '40+81=121'] Exploring Operation: 121-78=43, Resulting Numbers: [43] 43,79 unequal: No Solution Exploring Operation: 78*121=9438, Resulting Numbers: [9438] 9438,79 unequal: No Solution Exploring Operation: 78+121=199, Resulting Numbers: [199] 199,79 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 #0,1 Current State: 79:[81, 41, 77], Operations: ['40+37=77'] Exploring Operation: 41+77=118, Resulting Numbers: [81, 118] Generated Node #0,1,0: 79:[81, 118] Operation: 41+77=118 Exploring Operation: 81-41=40, Resulting Numbers: [77, 40] Generated Node #0,1,1: 79:[77, 40] Operation: 81-41=40 Exploring Operation: 81+41=122, Resulting Numbers: [77, 122] Generated Node #0,1,2: 79:[77, 122] Operation: 81+41=122 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[81, 118], Operations: ['40+37=77', '41+77=118'] Exploring Operation: 81*118=9558, Resulting Numbers: [9558] 9558,79 unequal: No Solution Exploring Operation: 81+118=199, Resulting Numbers: [199] 199,79 unequal: No Solution Exploring Operation: 118-81=37, Resulting Numbers: [37] 37,79 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 #0,1,1 Current State: 79:[77, 40], Operations: ['40+37=77', '81-41=40'] Exploring Operation: 77+40=117, Resulting Numbers: [117] 117,79 unequal: No Solution Exploring Operation: 77-40=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 77*40=3080, Resulting Numbers: [3080] 3080,79 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 #0,1,2 Current State: 79:[77, 122], Operations: ['40+37=77', '81+41=122'] Exploring Operation: 122-77=45, Resulting Numbers: [45] 45,79 unequal: No Solution Exploring Operation: 77*122=9394, Resulting Numbers: [9394] 9394,79 unequal: No Solution Exploring Operation: 77+122=199, Resulting Numbers: [199] 199,79 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 #0,2 Current State: 79:[81, 37, 81], Operations: ['40+41=81'] Exploring Operation: 81-37=44, Resulting Numbers: [81, 44] Generated Node #0,2,0: 79:[81, 44] Operation: 81-37=44 Exploring Operation: 81-37=44, Resulting Numbers: [81, 44] Generated Node #0,2,1: 79:[81, 44] Operation: 81-37=44 Exploring Operation: 81+37=118, Resulting Numbers: [81, 118] Generated Node #0,2,2: 79:[81, 118] Operation: 81+37=118 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[81, 44], Operations: ['40+41=81', '81-37=44'] Exploring Operation: 81+44=125, Resulting Numbers: [125] 125,79 unequal: No Solution Exploring Operation: 81*44=3564, Resulting Numbers: [3564] 3564,79 unequal: No Solution Exploring Operation: 81-44=37, Resulting Numbers: [37] 37,79 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:[81, 44], Operations: ['40+41=81', '81-37=44'] Exploring Operation: 81-44=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 81+44=125, Resulting Numbers: [125] 125,79 unequal: No Solution Exploring Operation: 81*44=3564, Resulting Numbers: [3564] 3564,79 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:[81, 118], Operations: ['40+41=81', '81+37=118'] Exploring Operation: 118-81=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 81*118=9558, Resulting Numbers: [9558] 9558,79 unequal: No Solution Exploring Operation: 81+118=199, Resulting Numbers: [199] 199,79 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 No solution found.
0
hs_3
sum_heuristic
[ 98, 2, 95, 89 ]
94
[ "98+2=100", "95-89=6", "100-6=94" ]
Current State: 94:[98, 2, 95, 89], Operations: [] Exploring Operation: 98+2=100, Resulting Numbers: [95, 89, 100] Generated Node #2: [95, 89, 100] from Operation: 98+2=100 Current State: 94:[95, 89, 100], Operations: ['98+2=100'] Exploring Operation: 95-89=6, Resulting Numbers: [100, 6] Generated Node #3: [100, 6] from Operation: 95-89=6 Current State: 94:[100, 6], Operations: ['98+2=100', '95-89=6'] Exploring Operation: 100-6=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[98, 2, 95, 89], Operations: [] Exploring Operation: 98-2=96, Resulting Numbers: [95, 89, 96] Generated Node #0,0: 94:[95, 89, 96] Operation: 98-2=96 Exploring Operation: 98/2=49, Resulting Numbers: [95, 89, 49] Generated Node #0,1: 94:[95, 89, 49] Operation: 98/2=49 Exploring Operation: 2+89=91, Resulting Numbers: [98, 95, 91] Generated Node #0,2: 94:[98, 95, 91] Operation: 2+89=91 Exploring Operation: 98-95=3, Resulting Numbers: [2, 89, 3] Generated Node #0,3: 94:[2, 89, 3] Operation: 98-95=3 Exploring Operation: 98-89=9, Resulting Numbers: [2, 95, 9] Generated Node #0,4: 94:[2, 95, 9] Operation: 98-89=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[2, 89, 3], Operations: ['98-95=3'] Exploring Operation: 2+3=5, Resulting Numbers: [89, 5] Generated Node #0,3,0: 94:[89, 5] Operation: 2+3=5 Exploring Operation: 89-2=87, Resulting Numbers: [3, 87] Generated Node #0,3,1: 94:[3, 87] Operation: 89-2=87 Exploring Operation: 2+89=91, Resulting Numbers: [3, 91] Generated Node #0,3,2: 94:[3, 91] Operation: 2+89=91 Exploring Operation: 3-2=1, Resulting Numbers: [89, 1] Generated Node #0,3,3: 94:[89, 1] Operation: 3-2=1 Exploring Operation: 89+3=92, Resulting Numbers: [2, 92] Generated Node #0,3,4: 94:[2, 92] Operation: 89+3=92 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 94:[2, 92], Operations: ['98-95=3', '89+3=92'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,94 unequal: No Solution Exploring Operation: 2+92=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[98, 2, 95, 89], Operations: [] Exploring Operation: 98-95=3, Resulting Numbers: [2, 89, 3] Generated Node #0,3: 94:[2, 89, 3] Operation: 98-95=3 Moving to Node #0,3 Current State: 94:[2, 89, 3], Operations: ['98-95=3'] Exploring Operation: 89+3=92, Resulting Numbers: [2, 92] Generated Node #0,3,4: 94:[2, 92] Operation: 89+3=92 Moving to Node #0,3,4 Current State: 94:[2, 92], Operations: ['98-95=3', '89+3=92'] Exploring Operation: 2+92=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 42, 3, 14, 32 ]
87
[ "42/14=3", "32-3=29", "3*29=87" ]
Current State: 87:[42, 3, 14, 32], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [3, 32, 3] Generated Node #2: [3, 32, 3] from Operation: 42/14=3 Current State: 87:[3, 32, 3], Operations: ['42/14=3'] Exploring Operation: 32-3=29, Resulting Numbers: [29] 29,87 equal: Goal Reached Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[42, 3, 14, 32], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [3, 32, 3] Generated Node #0,0: 87:[3, 32, 3] Operation: 42/14=3 Moving to Node #0,0 Current State: 87:[3, 32, 3], Operations: ['42/14=3'] Exploring Operation: 32-3=29, Resulting Numbers: [3, 29] Generated Node #0,0,0: 87:[3, 29] Operation: 32-3=29 Moving to Node #0,0,0 Current State: 87:[3, 29], Operations: ['42/14=3', '32-3=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[42, 3, 14, 32], Operations: [] Exploring Operation: 42/14=3, Resulting Numbers: [3, 32, 3] Generated Node #0,0: 87:[3, 32, 3] Operation: 42/14=3 Moving to Node #0,0 Current State: 87:[3, 32, 3], Operations: ['42/14=3'] Exploring Operation: 32-3=29, Resulting Numbers: [3, 29] Generated Node #0,0,0: 87:[3, 29] Operation: 32-3=29 Moving to Node #0,0,0 Current State: 87:[3, 29], Operations: ['42/14=3', '32-3=29'] Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 42, 2, 91, 30 ]
68
[ "91-42=49", "2*49=98", "98-30=68" ]
Current State: 68:[42, 2, 91, 30], Operations: [] Exploring Operation: 91-42=49, Resulting Numbers: [2, 30, 49] Generated Node #2: [2, 30, 49] from Operation: 91-42=49 Current State: 68:[2, 30, 49], Operations: ['91-42=49'] Exploring Operation: 2*49=98, Resulting Numbers: [30, 98] Generated Node #3: [30, 98] from Operation: 2*49=98 Current State: 68:[30, 98], Operations: ['91-42=49', '2*49=98'] Exploring Operation: 98-30=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[42, 2, 91, 30], Operations: [] Exploring Operation: 91-30=61, Resulting Numbers: [42, 2, 61] Generated Node #0,0: 68:[42, 2, 61] Operation: 91-30=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[42, 2, 61], Operations: ['91-30=61'] Exploring Operation: 61-42=19, Resulting Numbers: [2, 19] Generated Node #0,0,0: 68:[2, 19] Operation: 61-42=19 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 68:[2, 19], Operations: ['91-30=61', '61-42=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,68 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
[ 32, 17, 7, 38 ]
67
[ "32-17=15", "7*15=105", "105-38=67" ]
Current State: 67:[32, 17, 7, 38], Operations: [] Exploring Operation: 32-17=15, Resulting Numbers: [7, 38, 15] Generated Node #2: [7, 38, 15] from Operation: 32-17=15 Current State: 67:[7, 38, 15], Operations: ['32-17=15'] Exploring Operation: 7*15=105, Resulting Numbers: [38, 105] Generated Node #3: [38, 105] from Operation: 7*15=105 Current State: 67:[38, 105], Operations: ['32-17=15', '7*15=105'] Exploring Operation: 105-38=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[32, 17, 7, 38], Operations: [] Exploring Operation: 32+7=39, Resulting Numbers: [17, 38, 39] Generated Node #0,0: 67:[17, 38, 39] Operation: 32+7=39 Exploring Operation: 17+7=24, Resulting Numbers: [32, 38, 24] Generated Node #0,1: 67:[32, 38, 24] Operation: 17+7=24 Exploring Operation: 32+17=49, Resulting Numbers: [7, 38, 49] Generated Node #0,2: 67:[7, 38, 49] Operation: 32+17=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[17, 38, 39], Operations: ['32+7=39'] Exploring Operation: 17+39=56, Resulting Numbers: [38, 56] Generated Node #0,0,0: 67:[38, 56] Operation: 17+39=56 Exploring Operation: 38+39=77, Resulting Numbers: [17, 77] Generated Node #0,0,1: 67:[17, 77] Operation: 38+39=77 Exploring Operation: 17+38=55, Resulting Numbers: [39, 55] Generated Node #0,0,2: 67:[39, 55] Operation: 17+38=55 Moving to Node #0,0,0 Current State: 67:[38, 56], Operations: ['32+7=39', '17+39=56'] Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 38*56=2128, Resulting Numbers: [2128] 2128,67 unequal: No Solution Exploring Operation: 38+56=94, Resulting Numbers: [94] 94,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[39, 55], Operations: ['32+7=39', '17+38=55'] Exploring Operation: 39*55=2145, Resulting Numbers: [2145] 2145,67 unequal: No Solution Exploring Operation: 39+55=94, Resulting Numbers: [94] 94,67 unequal: No Solution Exploring Operation: 55-39=16, Resulting Numbers: [16] 16,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[17, 77], Operations: ['32+7=39', '38+39=77'] Exploring Operation: 77-17=60, Resulting Numbers: [60] 60,67 unequal: No Solution Exploring Operation: 17*77=1309, Resulting Numbers: [1309] 1309,67 unequal: No Solution Exploring Operation: 17+77=94, Resulting Numbers: [94] 94,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[32, 38, 24], Operations: ['17+7=24'] Exploring Operation: 32+24=56, Resulting Numbers: [38, 56] Generated Node #0,1,0: 67:[38, 56] Operation: 32+24=56 Exploring Operation: 32+38=70, Resulting Numbers: [24, 70] Generated Node #0,1,1: 67:[24, 70] Operation: 32+38=70 Exploring Operation: 38+24=62, Resulting Numbers: [32, 62] Generated Node #0,1,2: 67:[32, 62] Operation: 38+24=62 Moving to Node #0,1,0 Current State: 67:[38, 56], Operations: ['17+7=24', '32+24=56'] Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 38*56=2128, Resulting Numbers: [2128] 2128,67 unequal: No Solution Exploring Operation: 38+56=94, Resulting Numbers: [94] 94,67 unequal: No Solution Moving to Node #0,1,2 Current State: 67:[32, 62], Operations: ['17+7=24', '38+24=62'] Exploring Operation: 62-32=30, Resulting Numbers: [30] 30,67 unequal: No Solution Exploring Operation: 32*62=1984, Resulting Numbers: [1984] 1984,67 unequal: No Solution Exploring Operation: 32+62=94, Resulting Numbers: [94] 94,67 unequal: No Solution Moving to Node #0,1,1 Current State: 67:[24, 70], Operations: ['17+7=24', '32+38=70'] Exploring Operation: 24*70=1680, Resulting Numbers: [1680] 1680,67 unequal: No Solution Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,67 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 67:[7, 38, 49], Operations: ['32+17=49'] Exploring Operation: 7+49=56, Resulting Numbers: [38, 56] Generated Node #0,2,0: 67:[38, 56] Operation: 7+49=56 Exploring Operation: 38-7=31, Resulting Numbers: [49, 31] Generated Node #0,2,1: 67:[49, 31] Operation: 38-7=31 Exploring Operation: 7+38=45, Resulting Numbers: [49, 45] Generated Node #0,2,2: 67:[49, 45] Operation: 7+38=45 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[38, 56], Operations: ['32+17=49', '7+49=56'] Exploring Operation: 38*56=2128, Resulting Numbers: [2128] 2128,67 unequal: No Solution Exploring Operation: 56-38=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 38+56=94, Resulting Numbers: [94] 94,67 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 #0,2,2 Current State: 67:[49, 45], Operations: ['32+17=49', '7+38=45'] Exploring Operation: 49+45=94, Resulting Numbers: [94] 94,67 unequal: No Solution Exploring Operation: 49-45=4, Resulting Numbers: [4] 4,67 unequal: No Solution Exploring Operation: 49*45=2205, Resulting Numbers: [2205] 2205,67 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 #0,2,1 Current State: 67:[49, 31], Operations: ['32+17=49', '38-7=31'] Exploring Operation: 49+31=80, Resulting Numbers: [80] 80,67 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,67 unequal: No Solution Exploring Operation: 49*31=1519, Resulting Numbers: [1519] 1519,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 18, 39, 85, 53 ]
81
[ "18+39=57", "85+53=138", "138-57=81" ]
Current State: 81:[18, 39, 85, 53], Operations: [] Exploring Operation: 18+39=57, Resulting Numbers: [85, 53, 57] Generated Node #2: [85, 53, 57] from Operation: 18+39=57 Current State: 81:[85, 53, 57], Operations: ['18+39=57'] Exploring Operation: 85+53=138, Resulting Numbers: [57, 138] Generated Node #3: [57, 138] from Operation: 85+53=138 Current State: 81:[57, 138], Operations: ['18+39=57', '85+53=138'] Exploring Operation: 138-57=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[18, 39, 85, 53], Operations: [] Exploring Operation: 53-39=14, Resulting Numbers: [18, 85, 14] Generated Node #0,0: 81:[18, 85, 14] Operation: 53-39=14 Moving to Node #0,0 Current State: 81:[18, 85, 14], Operations: ['53-39=14'] Exploring Operation: 18-14=4, Resulting Numbers: [85, 4] Generated Node #0,0,0: 81:[85, 4] Operation: 18-14=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[85, 4], Operations: ['53-39=14', '18-14=4'] Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[18, 39, 85, 53], Operations: [] Exploring Operation: 53-39=14, Resulting Numbers: [18, 85, 14] Generated Node #0,0: 81:[18, 85, 14] Operation: 53-39=14 Moving to Node #0,0 Current State: 81:[18, 85, 14], Operations: ['53-39=14'] Exploring Operation: 18-14=4, Resulting Numbers: [85, 4] Generated Node #0,0,0: 81:[85, 4] Operation: 18-14=4 Moving to Node #0,0,0 Current State: 81:[85, 4], Operations: ['53-39=14', '18-14=4'] Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic