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
[ 10, 95, 11, 29 ]
89
[ "10*95=950", "29+950=979", "979/11=89" ]
Current State: 89:[10, 95, 11, 29], Operations: [] Exploring Operation: 10*95=950, Resulting Numbers: [11, 29, 950] Generated Node #2: [11, 29, 950] from Operation: 10*95=950 Current State: 89:[11, 29, 950], Operations: ['10*95=950'] Exploring Operation: 29+950=979, Resulting Numbers: [11, 979] Generated Node #3: [11, 979] from Operation: 29+950=979 Current State: 89:[11, 979], Operations: ['10*95=950', '29+950=979'] Exploring Operation: 979/11=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[10, 95, 11, 29], Operations: [] Exploring Operation: 10*11=110, Resulting Numbers: [95, 29, 110] Generated Node #0,0: 89:[95, 29, 110] Operation: 10*11=110 Exploring Operation: 10+11=21, Resulting Numbers: [95, 29, 21] Generated Node #0,1: 89:[95, 29, 21] Operation: 10+11=21 Moving to Node #0,0 Current State: 89:[95, 29, 110], Operations: ['10*11=110'] Exploring Operation: 110-29=81, Resulting Numbers: [95, 81] Generated Node #0,0,0: 89:[95, 81] Operation: 110-29=81 Exploring Operation: 95-29=66, Resulting Numbers: [110, 66] Generated Node #0,0,1: 89:[110, 66] Operation: 95-29=66 Moving to Node #0,1 Current State: 89:[95, 29, 21], Operations: ['10+11=21'] Exploring Operation: 29+21=50, Resulting Numbers: [95, 50] Generated Node #0,1,0: 89:[95, 50] Operation: 29+21=50 Exploring Operation: 95-21=74, Resulting Numbers: [29, 74] Generated Node #0,1,1: 89:[29, 74] Operation: 95-21=74 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[95, 50], Operations: ['10+11=21', '29+21=50'] Exploring Operation: 95+50=145, Resulting Numbers: [145] 145,89 unequal: No Solution Exploring Operation: 95-50=45, Resulting Numbers: [45] 45,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[29, 74], Operations: ['10+11=21', '95-21=74'] Exploring Operation: 74-29=45, Resulting Numbers: [45] 45,89 unequal: No Solution Exploring Operation: 29+74=103, Resulting Numbers: [103] 103,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 89:[95, 81], Operations: ['10*11=110', '110-29=81'] Exploring Operation: 95+81=176, Resulting Numbers: [176] 176,89 unequal: No Solution Exploring Operation: 95-81=14, Resulting Numbers: [14] 14,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[110, 66], Operations: ['10*11=110', '95-29=66'] Exploring Operation: 110+66=176, Resulting Numbers: [176] 176,89 unequal: No Solution Exploring Operation: 110-66=44, Resulting Numbers: [44] 44,89 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 99, 95, 55, 19 ]
32
[ "99-95=4", "55-19=36", "36-4=32" ]
Current State: 32:[99, 95, 55, 19], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [55, 19, 4] Generated Node #2: [55, 19, 4] from Operation: 99-95=4 Current State: 32:[55, 19, 4], Operations: ['99-95=4'] Exploring Operation: 55-19=36, Resulting Numbers: [4, 36] Generated Node #3: [4, 36] from Operation: 55-19=36 Current State: 32:[4, 36], Operations: ['99-95=4', '55-19=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[99, 95, 55, 19], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [55, 19, 4] Generated Node #0,0: 32:[55, 19, 4] Operation: 99-95=4 Moving to Node #0,0 Current State: 32:[55, 19, 4], Operations: ['99-95=4'] Exploring Operation: 55-19=36, Resulting Numbers: [4, 36] Generated Node #0,0,0: 32:[4, 36] Operation: 55-19=36 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[4, 36], Operations: ['99-95=4', '55-19=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[99, 95, 55, 19], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [55, 19, 4] Generated Node #0,0: 32:[55, 19, 4] Operation: 99-95=4 Moving to Node #0,0 Current State: 32:[55, 19, 4], Operations: ['99-95=4'] Exploring Operation: 55-19=36, Resulting Numbers: [4, 36] Generated Node #0,0,0: 32:[4, 36] Operation: 55-19=36 Moving to Node #0,0,0 Current State: 32:[4, 36], Operations: ['99-95=4', '55-19=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 90, 16, 20, 21 ]
33
[ "90-16=74", "20+21=41", "74-41=33" ]
Current State: 33:[90, 16, 20, 21], Operations: [] Exploring Operation: 90-16=74, Resulting Numbers: [20, 21, 74] Generated Node #2: [20, 21, 74] from Operation: 90-16=74 Current State: 33:[20, 21, 74], Operations: ['90-16=74'] Exploring Operation: 20+21=41, Resulting Numbers: [74, 41] Generated Node #3: [74, 41] from Operation: 20+21=41 Current State: 33:[74, 41], Operations: ['90-16=74', '20+21=41'] Exploring Operation: 74-41=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[90, 16, 20, 21], Operations: [] Exploring Operation: 90-21=69, Resulting Numbers: [16, 20, 69] Generated Node #0,0: 33:[16, 20, 69] Operation: 90-21=69 Exploring Operation: 20-16=4, Resulting Numbers: [90, 21, 4] Generated Node #0,1: 33:[90, 21, 4] Operation: 20-16=4 Exploring Operation: 21-20=1, Resulting Numbers: [90, 16, 1] Generated Node #0,2: 33:[90, 16, 1] Operation: 21-20=1 Exploring Operation: 90-20=70, Resulting Numbers: [16, 21, 70] Generated Node #0,3: 33:[16, 21, 70] Operation: 90-20=70 Exploring Operation: 90-16=74, Resulting Numbers: [20, 21, 74] Generated Node #0,4: 33:[20, 21, 74] Operation: 90-16=74 Moving to Node #0,0 Current State: 33:[16, 20, 69], Operations: ['90-21=69'] Exploring Operation: 69-20=49, Resulting Numbers: [16, 49] Generated Node #0,0,0: 33:[16, 49] Operation: 69-20=49 Exploring Operation: 16+20=36, Resulting Numbers: [69, 36] Generated Node #0,0,1: 33:[69, 36] Operation: 16+20=36 Exploring Operation: 20-16=4, Resulting Numbers: [69, 4] Generated Node #0,0,2: 33:[69, 4] Operation: 20-16=4 Exploring Operation: 69-16=53, Resulting Numbers: [20, 53] Generated Node #0,0,3: 33:[20, 53] Operation: 69-16=53 Exploring Operation: 16+69=85, Resulting Numbers: [20, 85] Generated Node #0,0,4: 33:[20, 85] Operation: 16+69=85 Moving to Node #0,3 Current State: 33:[16, 21, 70], Operations: ['90-20=70'] Exploring Operation: 70-16=54, Resulting Numbers: [21, 54] Generated Node #0,3,0: 33:[21, 54] Operation: 70-16=54 Exploring Operation: 21-16=5, Resulting Numbers: [70, 5] Generated Node #0,3,1: 33:[70, 5] Operation: 21-16=5 Exploring Operation: 70-21=49, Resulting Numbers: [16, 49] Generated Node #0,3,2: 33:[16, 49] Operation: 70-21=49 Exploring Operation: 16+21=37, Resulting Numbers: [70, 37] Generated Node #0,3,3: 33:[70, 37] Operation: 16+21=37 Exploring Operation: 16+70=86, Resulting Numbers: [21, 86] Generated Node #0,3,4: 33:[21, 86] Operation: 16+70=86 Moving to Node #0,4 Current State: 33:[20, 21, 74], Operations: ['90-16=74'] Exploring Operation: 74-21=53, Resulting Numbers: [20, 53] Generated Node #0,4,0: 33:[20, 53] Operation: 74-21=53 Exploring Operation: 20+74=94, Resulting Numbers: [21, 94] Generated Node #0,4,1: 33:[21, 94] Operation: 20+74=94 Exploring Operation: 21-20=1, Resulting Numbers: [74, 1] Generated Node #0,4,2: 33:[74, 1] Operation: 21-20=1 Exploring Operation: 74-20=54, Resulting Numbers: [21, 54] Generated Node #0,4,3: 33:[21, 54] Operation: 74-20=54 Exploring Operation: 20+21=41, Resulting Numbers: [74, 41] Generated Node #0,4,4: 33:[74, 41] Operation: 20+21=41 Moving to Node #0,2 Current State: 33:[90, 16, 1], Operations: ['21-20=1'] Exploring Operation: 90/1=90, Resulting Numbers: [16, 90] Generated Node #0,2,0: 33:[16, 90] Operation: 90/1=90 Exploring Operation: 90*1=90, Resulting Numbers: [16, 90] Generated Node #0,2,1: 33:[16, 90] Operation: 90*1=90 Exploring Operation: 90-16=74, Resulting Numbers: [1, 74] Generated Node #0,2,2: 33:[1, 74] Operation: 90-16=74 Exploring Operation: 16-1=15, Resulting Numbers: [90, 15] Generated Node #0,2,3: 33:[90, 15] Operation: 16-1=15 Exploring Operation: 90-1=89, Resulting Numbers: [16, 89] Generated Node #0,2,4: 33:[16, 89] Operation: 90-1=89 Moving to Node #0,1 Current State: 33:[90, 21, 4], Operations: ['20-16=4'] Exploring Operation: 90-4=86, Resulting Numbers: [21, 86] Generated Node #0,1,0: 33:[21, 86] Operation: 90-4=86 Exploring Operation: 21-4=17, Resulting Numbers: [90, 17] Generated Node #0,1,1: 33:[90, 17] Operation: 21-4=17 Exploring Operation: 90+4=94, Resulting Numbers: [21, 94] Generated Node #0,1,2: 33:[21, 94] Operation: 90+4=94 Exploring Operation: 90-21=69, Resulting Numbers: [4, 69] Generated Node #0,1,3: 33:[4, 69] Operation: 90-21=69 Exploring Operation: 21+4=25, Resulting Numbers: [90, 25] Generated Node #0,1,4: 33:[90, 25] Operation: 21+4=25 Moving to Node #0,0,0 Current State: 33:[16, 49], Operations: ['90-21=69', '69-20=49'] Exploring Operation: 49-16=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[90, 16, 20, 21], Operations: [] Exploring Operation: 90-21=69, Resulting Numbers: [16, 20, 69] Generated Node #0,0: 33:[16, 20, 69] Operation: 90-21=69 Moving to Node #0,0 Current State: 33:[16, 20, 69], Operations: ['90-21=69'] Exploring Operation: 69-20=49, Resulting Numbers: [16, 49] Generated Node #0,0,0: 33:[16, 49] Operation: 69-20=49 Moving to Node #0,0,0 Current State: 33:[16, 49], Operations: ['90-21=69', '69-20=49'] Exploring Operation: 49-16=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.969618
hs_5
mult_heuristic
[ 28, 44, 75, 51 ]
12
[ "28*51=1428", "44+75=119", "1428/119=12" ]
Current State: 12:[28, 44, 75, 51], Operations: [] Exploring Operation: 28*51=1428, Resulting Numbers: [44, 75, 1428] Generated Node #2: [44, 75, 1428] from Operation: 28*51=1428 Current State: 12:[44, 75, 1428], Operations: ['28*51=1428'] Exploring Operation: 44+75=119, Resulting Numbers: [1428, 119] Generated Node #3: [1428, 119] from Operation: 44+75=119 Current State: 12:[1428, 119], Operations: ['28*51=1428', '44+75=119'] Exploring Operation: 1428/119=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[28, 44, 75, 51], Operations: [] Exploring Operation: 75-51=24, Resulting Numbers: [28, 44, 24] Generated Node #0,0: 12:[28, 44, 24] Operation: 75-51=24 Exploring Operation: 75-44=31, Resulting Numbers: [28, 51, 31] Generated Node #0,1: 12:[28, 51, 31] Operation: 75-44=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[28, 44, 24], Operations: ['75-51=24'] Exploring Operation: 44-28=16, Resulting Numbers: [24, 16] Generated Node #0,0,0: 12:[24, 16] Operation: 44-28=16 Exploring Operation: 44-24=20, Resulting Numbers: [28, 20] Generated Node #0,0,1: 12:[28, 20] Operation: 44-24=20 Moving to Node #0,0,0 Current State: 12:[24, 16], Operations: ['75-51=24', '44-28=16'] Exploring Operation: 24+16=40, Resulting Numbers: [40] 40,12 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,12 unequal: No Solution Moving to Node #0,0,1 Current State: 12:[28, 20], Operations: ['75-51=24', '44-24=20'] Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,12 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[28, 51, 31], Operations: ['75-44=31'] Exploring Operation: 51-31=20, Resulting Numbers: [28, 20] Generated Node #0,1,0: 12:[28, 20] Operation: 51-31=20 Exploring Operation: 51-28=23, Resulting Numbers: [31, 23] Generated Node #0,1,1: 12:[31, 23] Operation: 51-28=23 Moving to Node #0,1,0 Current State: 12:[28, 20], Operations: ['75-44=31', '51-31=20'] Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,12 unequal: No Solution Moving to Node #0,1,1 Current State: 12:[31, 23], Operations: ['75-44=31', '51-28=23'] Exploring Operation: 31-23=8, Resulting Numbers: [8] 8,12 unequal: No Solution Exploring Operation: 31+23=54, Resulting Numbers: [54] 54,12 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
[ 2, 21, 38, 42 ]
37
[ "2*21=42", "42/42=1", "38-1=37" ]
Current State: 37:[2, 21, 38, 42], Operations: [] Exploring Operation: 2*21=42, Resulting Numbers: [38, 42, 42] Generated Node #2: [38, 42, 42] from Operation: 2*21=42 Current State: 37:[38, 42, 42], Operations: ['2*21=42'] Exploring Operation: 42/42=1, Resulting Numbers: [38, 1] Generated Node #3: [38, 1] from Operation: 42/42=1 Current State: 37:[38, 1], Operations: ['2*21=42', '42/42=1'] Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[2, 21, 38, 42], Operations: [] Exploring Operation: 42-2=40, Resulting Numbers: [21, 38, 40] Generated Node #0,0: 37:[21, 38, 40] Operation: 42-2=40 Exploring Operation: 2+21=23, Resulting Numbers: [38, 42, 23] Generated Node #0,1: 37:[38, 42, 23] Operation: 2+21=23 Exploring Operation: 2*21=42, Resulting Numbers: [38, 42, 42] Generated Node #0,2: 37:[38, 42, 42] Operation: 2*21=42 Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[38, 42, 42], Operations: ['2*21=42'] Exploring Operation: 42-38=4, Resulting Numbers: [42, 4] Generated Node #0,2,0: 37:[42, 4] Operation: 42-38=4 Exploring Operation: 42-38=4, Resulting Numbers: [42, 4] Generated Node #0,2,1: 37:[42, 4] Operation: 42-38=4 Exploring Operation: 42/42=1, Resulting Numbers: [38, 1] Generated Node #0,2,2: 37:[38, 1] Operation: 42/42=1 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 37:[38, 1], Operations: ['2*21=42', '42/42=1'] Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[2, 21, 38, 42], Operations: [] Exploring Operation: 2*21=42, Resulting Numbers: [38, 42, 42] Generated Node #0,2: 37:[38, 42, 42] Operation: 2*21=42 Moving to Node #0,2 Current State: 37:[38, 42, 42], Operations: ['2*21=42'] Exploring Operation: 42/42=1, Resulting Numbers: [38, 1] Generated Node #0,2,2: 37:[38, 1] Operation: 42/42=1 Moving to Node #0,2,2 Current State: 37:[38, 1], Operations: ['2*21=42', '42/42=1'] Exploring Operation: 38-1=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 42, 4, 1, 29 ]
15
[ "4-1=3", "42/3=14", "29-14=15" ]
Current State: 15:[42, 4, 1, 29], Operations: [] Exploring Operation: 4-1=3, Resulting Numbers: [42, 29, 3] Generated Node #2: [42, 29, 3] from Operation: 4-1=3 Current State: 15:[42, 29, 3], Operations: ['4-1=3'] Exploring Operation: 42/3=14, Resulting Numbers: [29, 14] Generated Node #3: [29, 14] from Operation: 42/3=14 Current State: 15:[29, 14], Operations: ['4-1=3', '42/3=14'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[42, 4, 1, 29], Operations: [] Exploring Operation: 42-4=38, Resulting Numbers: [1, 29, 38] Generated Node #0,0: 15:[1, 29, 38] Operation: 42-4=38 Exploring Operation: 42-1=41, Resulting Numbers: [4, 29, 41] Generated Node #0,1: 15:[4, 29, 41] Operation: 42-1=41 Exploring Operation: 42-29=13, Resulting Numbers: [4, 1, 13] Generated Node #0,2: 15:[4, 1, 13] Operation: 42-29=13 Exploring Operation: 29-4=25, Resulting Numbers: [42, 1, 25] Generated Node #0,3: 15:[42, 1, 25] Operation: 29-4=25 Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[4, 1, 13], Operations: ['42-29=13'] Exploring Operation: 4*1=4, Resulting Numbers: [13, 4] Generated Node #0,2,0: 15:[13, 4] Operation: 4*1=4 Exploring Operation: 4+1=5, Resulting Numbers: [13, 5] Generated Node #0,2,1: 15:[13, 5] Operation: 4+1=5 Exploring Operation: 1+13=14, Resulting Numbers: [4, 14] Generated Node #0,2,2: 15:[4, 14] Operation: 1+13=14 Exploring Operation: 4-1=3, Resulting Numbers: [13, 3] Generated Node #0,2,3: 15:[13, 3] Operation: 4-1=3 Moving to Node #0,2,1 Current State: 15:[13, 5], Operations: ['42-29=13', '4+1=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 13*5=65, Resulting Numbers: [65] 65,15 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,15 unequal: No Solution Moving to Node #0,2,3 Current State: 15:[13, 3], Operations: ['42-29=13', '4-1=3'] Exploring Operation: 13+3=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 13*3=39, Resulting Numbers: [39] 39,15 unequal: No Solution Moving to Node #0,2,2 Current State: 15:[4, 14], Operations: ['42-29=13', '1+13=14'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 4*14=56, Resulting Numbers: [56] 56,15 unequal: No Solution Moving to Node #0,2,0 Current State: 15:[13, 4], Operations: ['42-29=13', '4*1=4'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,15 unequal: No Solution Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[1, 29, 38], Operations: ['42-4=38'] Exploring Operation: 29-1=28, Resulting Numbers: [38, 28] Generated Node #0,0,0: 15:[38, 28] Operation: 29-1=28 Exploring Operation: 1*29=29, Resulting Numbers: [38, 29] Generated Node #0,0,1: 15:[38, 29] Operation: 1*29=29 Exploring Operation: 38-29=9, Resulting Numbers: [1, 9] Generated Node #0,0,2: 15:[1, 9] Operation: 38-29=9 Exploring Operation: 38-1=37, Resulting Numbers: [29, 37] Generated Node #0,0,3: 15:[29, 37] Operation: 38-1=37 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 15:[1, 9], Operations: ['42-4=38', '38-29=9'] Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 1*9=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 1+9=10, Resulting Numbers: [10] 10,15 unequal: No Solution No 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: 15:[38, 28], Operations: ['42-4=38', '29-1=28'] Exploring Operation: 38+28=66, Resulting Numbers: [66] 66,15 unequal: No Solution Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 38*28=1064, Resulting Numbers: [1064] 1064,15 unequal: No Solution No 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: 15:[29, 37], Operations: ['42-4=38', '38-1=37'] Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,15 unequal: No Solution Exploring Operation: 29*37=1073, Resulting Numbers: [1073] 1073,15 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,15 unequal: No Solution No 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: 15:[38, 29], Operations: ['42-4=38', '1*29=29'] Exploring Operation: 38*29=1102, Resulting Numbers: [1102] 1102,15 unequal: No Solution Exploring Operation: 38+29=67, Resulting Numbers: [67] 67,15 unequal: No Solution Exploring Operation: 38-29=9, Resulting Numbers: [9] 9,15 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: 15:[42, 1, 25], Operations: ['29-4=25'] Exploring Operation: 42*1=42, Resulting Numbers: [25, 42] Generated Node #0,3,0: 15:[25, 42] Operation: 42*1=42 Exploring Operation: 42-1=41, Resulting Numbers: [25, 41] Generated Node #0,3,1: 15:[25, 41] Operation: 42-1=41 Exploring Operation: 25-1=24, Resulting Numbers: [42, 24] Generated Node #0,3,2: 15:[42, 24] Operation: 25-1=24 Exploring Operation: 42-25=17, Resulting Numbers: [1, 17] Generated Node #0,3,3: 15:[1, 17] Operation: 42-25=17 Moving to Node #0,3,3 Current State: 15:[1, 17], Operations: ['29-4=25', '42-25=17'] Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 1+17=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 1*17=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,15 unequal: No Solution Moving to Node #0,3,2 Current State: 15:[42, 24], Operations: ['29-4=25', '25-1=24'] Exploring Operation: 42*24=1008, Resulting Numbers: [1008] 1008,15 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,15 unequal: No Solution Exploring Operation: 42+24=66, Resulting Numbers: [66] 66,15 unequal: No Solution Moving to Node #0,3,1 Current State: 15:[25, 41], Operations: ['29-4=25', '42-1=41'] Exploring Operation: 25+41=66, Resulting Numbers: [66] 66,15 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 25*41=1025, Resulting Numbers: [1025] 1025,15 unequal: No Solution Moving to Node #0,3,0 Current State: 15:[25, 42], Operations: ['29-4=25', '42*1=42'] Exploring Operation: 25+42=67, Resulting Numbers: [67] 67,15 unequal: No Solution Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,15 unequal: No Solution Exploring Operation: 25*42=1050, Resulting Numbers: [1050] 1050,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[4, 29, 41], Operations: ['42-1=41'] Exploring Operation: 41-4=37, Resulting Numbers: [29, 37] Generated Node #0,1,0: 15:[29, 37] Operation: 41-4=37 Exploring Operation: 4+29=33, Resulting Numbers: [41, 33] Generated Node #0,1,1: 15:[41, 33] Operation: 4+29=33 Exploring Operation: 29-4=25, Resulting Numbers: [41, 25] Generated Node #0,1,2: 15:[41, 25] Operation: 29-4=25 Exploring Operation: 41-29=12, Resulting Numbers: [4, 12] Generated Node #0,1,3: 15:[4, 12] Operation: 41-29=12 Moving to Node #0,1,3 Current State: 15:[4, 12], Operations: ['42-1=41', '41-29=12'] Exploring Operation: 4*12=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 4+12=16, Resulting Numbers: [16] 16,15 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[41, 25], Operations: ['42-1=41', '29-4=25'] Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,15 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,15 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[29, 37], Operations: ['42-1=41', '41-4=37'] Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,15 unequal: No Solution Exploring Operation: 29*37=1073, Resulting Numbers: [1073] 1073,15 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[41, 33], Operations: ['42-1=41', '4+29=33'] Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 41+33=74, Resulting Numbers: [74] 74,15 unequal: No Solution Exploring Operation: 41*33=1353, Resulting Numbers: [1353] 1353,15 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
[ 68, 17, 62, 7 ]
11
[ "68+62=130", "17*7=119", "130-119=11" ]
Current State: 11:[68, 17, 62, 7], Operations: [] Exploring Operation: 68+62=130, Resulting Numbers: [17, 7, 130] Generated Node #2: [17, 7, 130] from Operation: 68+62=130 Current State: 11:[17, 7, 130], Operations: ['68+62=130'] Exploring Operation: 17*7=119, Resulting Numbers: [130, 119] Generated Node #3: [130, 119] from Operation: 17*7=119 Current State: 11:[130, 119], Operations: ['68+62=130', '17*7=119'] Exploring Operation: 130-119=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[68, 17, 62, 7], Operations: [] Exploring Operation: 68-17=51, Resulting Numbers: [62, 7, 51] Generated Node #0,0: 11:[62, 7, 51] Operation: 68-17=51 Exploring Operation: 68-62=6, Resulting Numbers: [17, 7, 6] Generated Node #0,1: 11:[17, 7, 6] Operation: 68-62=6 Exploring Operation: 68-7=61, Resulting Numbers: [17, 62, 61] Generated Node #0,2: 11:[17, 62, 61] Operation: 68-7=61 Exploring Operation: 62-17=45, Resulting Numbers: [68, 7, 45] Generated Node #0,3: 11:[68, 7, 45] Operation: 62-17=45 Exploring Operation: 68/17=4, Resulting Numbers: [62, 7, 4] Generated Node #0,4: 11:[62, 7, 4] Operation: 68/17=4 Moving to Node #0,1 Current State: 11:[17, 7, 6], Operations: ['68-62=6'] Exploring Operation: 17+6=23, Resulting Numbers: [7, 23] Generated Node #0,1,0: 11:[7, 23] Operation: 17+6=23 Exploring Operation: 7+6=13, Resulting Numbers: [17, 13] Generated Node #0,1,1: 11:[17, 13] Operation: 7+6=13 Exploring Operation: 17-7=10, Resulting Numbers: [6, 10] Generated Node #0,1,2: 11:[6, 10] Operation: 17-7=10 Exploring Operation: 7-6=1, Resulting Numbers: [17, 1] Generated Node #0,1,3: 11:[17, 1] Operation: 7-6=1 Exploring Operation: 17-6=11, Resulting Numbers: [7, 11] Generated Node #0,1,4: 11:[7, 11] Operation: 17-6=11 Moving to Node #0,4 Current State: 11:[62, 7, 4], Operations: ['68/17=4'] Exploring Operation: 7+4=11, Resulting Numbers: [62, 11] Generated Node #0,4,0: 11:[62, 11] Operation: 7+4=11 Exploring Operation: 62-7=55, Resulting Numbers: [4, 55] Generated Node #0,4,1: 11:[4, 55] Operation: 62-7=55 Exploring Operation: 62+4=66, Resulting Numbers: [7, 66] Generated Node #0,4,2: 11:[7, 66] Operation: 62+4=66 Exploring Operation: 62-4=58, Resulting Numbers: [7, 58] Generated Node #0,4,3: 11:[7, 58] Operation: 62-4=58 Exploring Operation: 7-4=3, Resulting Numbers: [62, 3] Generated Node #0,4,4: 11:[62, 3] Operation: 7-4=3 Moving to Node #0,0 Current State: 11:[62, 7, 51], Operations: ['68-17=51'] Exploring Operation: 51-7=44, Resulting Numbers: [62, 44] Generated Node #0,0,0: 11:[62, 44] Operation: 51-7=44 Exploring Operation: 62+7=69, Resulting Numbers: [51, 69] Generated Node #0,0,1: 11:[51, 69] Operation: 62+7=69 Exploring Operation: 7+51=58, Resulting Numbers: [62, 58] Generated Node #0,0,2: 11:[62, 58] Operation: 7+51=58 Exploring Operation: 62-51=11, Resulting Numbers: [7, 11] Generated Node #0,0,3: 11:[7, 11] Operation: 62-51=11 Exploring Operation: 62-7=55, Resulting Numbers: [51, 55] Generated Node #0,0,4: 11:[51, 55] Operation: 62-7=55 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 11:[7, 11], Operations: ['68-17=51', '62-51=11'] Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,11 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 11:[62, 44], Operations: ['68-17=51', '51-7=44'] Exploring Operation: 62*44=2728, Resulting Numbers: [2728] 2728,11 unequal: No Solution Exploring Operation: 62-44=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 62+44=106, Resulting Numbers: [106] 106,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 11:[51, 55], Operations: ['68-17=51', '62-7=55'] Exploring Operation: 51+55=106, Resulting Numbers: [106] 106,11 unequal: No Solution Exploring Operation: 51*55=2805, Resulting Numbers: [2805] 2805,11 unequal: No Solution Exploring Operation: 55-51=4, Resulting Numbers: [4] 4,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 11:[51, 69], Operations: ['68-17=51', '62+7=69'] Exploring Operation: 51*69=3519, Resulting Numbers: [3519] 3519,11 unequal: No Solution Exploring Operation: 51+69=120, Resulting Numbers: [120] 120,11 unequal: No Solution Exploring Operation: 69-51=18, Resulting Numbers: [18] 18,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 11:[62, 58], Operations: ['68-17=51', '7+51=58'] Exploring Operation: 62*58=3596, Resulting Numbers: [3596] 3596,11 unequal: No Solution Exploring Operation: 62-58=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 62+58=120, Resulting Numbers: [120] 120,11 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: 11:[68, 7, 45], Operations: ['62-17=45'] Exploring Operation: 68-7=61, Resulting Numbers: [45, 61] Generated Node #0,3,0: 11:[45, 61] Operation: 68-7=61 Exploring Operation: 45-7=38, Resulting Numbers: [68, 38] Generated Node #0,3,1: 11:[68, 38] Operation: 45-7=38 Exploring Operation: 7+45=52, Resulting Numbers: [68, 52] Generated Node #0,3,2: 11:[68, 52] Operation: 7+45=52 Exploring Operation: 68+7=75, Resulting Numbers: [45, 75] Generated Node #0,3,3: 11:[45, 75] Operation: 68+7=75 Exploring Operation: 68-45=23, Resulting Numbers: [7, 23] Generated Node #0,3,4: 11:[7, 23] Operation: 68-45=23 Moving to Node #0,2 Current State: 11:[17, 62, 61], Operations: ['68-7=61'] Exploring Operation: 17+62=79, Resulting Numbers: [61, 79] Generated Node #0,2,0: 11:[61, 79] Operation: 17+62=79 Exploring Operation: 62-61=1, Resulting Numbers: [17, 1] Generated Node #0,2,1: 11:[17, 1] Operation: 62-61=1 Exploring Operation: 61-17=44, Resulting Numbers: [62, 44] Generated Node #0,2,2: 11:[62, 44] Operation: 61-17=44 Exploring Operation: 62-17=45, Resulting Numbers: [61, 45] Generated Node #0,2,3: 11:[61, 45] Operation: 62-17=45 Exploring Operation: 17+61=78, Resulting Numbers: [62, 78] Generated Node #0,2,4: 11:[62, 78] Operation: 17+61=78 Moving to Node #0,1,4 Current State: 11:[7, 11], Operations: ['68-62=6', '17-6=11'] Exploring Operation: 7*11=77, Resulting Numbers: [77] 77,11 unequal: No Solution Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,11 unequal: No Solution Moving to Node #0,1,2 Current State: 11:[6, 10], Operations: ['68-62=6', '17-7=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,11 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,11 unequal: No Solution Moving to Node #0,1,1 Current State: 11:[17, 13], Operations: ['68-62=6', '7+6=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,11 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,11 unequal: No Solution Moving to Node #0,1,3 Current State: 11:[17, 1], Operations: ['68-62=6', '7-6=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,11 unequal: No Solution Moving to Node #0,3,4 Current State: 11:[7, 23], Operations: ['62-17=45', '68-45=23'] Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,11 unequal: No Solution Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,11 unequal: No Solution Moving to Node #0,1,0 Current State: 11:[7, 23], Operations: ['68-62=6', '17+6=23'] Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,11 unequal: No Solution Moving to Node #0,2,1 Current State: 11:[17, 1], Operations: ['68-7=61', '62-61=1'] Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,11 unequal: No Solution Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,11 unequal: No Solution Moving to Node #0,4,1 Current State: 11:[4, 55], Operations: ['68/17=4', '62-7=55'] Exploring Operation: 4*55=220, Resulting Numbers: [220] 220,11 unequal: No Solution Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 4+55=59, Resulting Numbers: [59] 59,11 unequal: No Solution Moving to Node #0,4,0 Current State: 11:[62, 11], Operations: ['68/17=4', '7+4=11'] Exploring Operation: 62+11=73, Resulting Numbers: [73] 73,11 unequal: No Solution Exploring Operation: 62-11=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 62*11=682, Resulting Numbers: [682] 682,11 unequal: No Solution Moving to Node #0,4,3 Current State: 11:[7, 58], Operations: ['68/17=4', '62-4=58'] Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,11 unequal: No Solution Exploring Operation: 7+58=65, Resulting Numbers: [65] 65,11 unequal: No Solution Exploring Operation: 7*58=406, Resulting Numbers: [406] 406,11 unequal: No Solution Moving to Node #0,4,4 Current State: 11:[62, 3], Operations: ['68/17=4', '7-4=3'] Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,11 unequal: No Solution Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,11 unequal: No Solution Exploring Operation: 62*3=186, Resulting Numbers: [186] 186,11 unequal: No Solution Moving to Node #0,4,2 Current State: 11:[7, 66], Operations: ['68/17=4', '62+4=66'] Exploring Operation: 7*66=462, Resulting Numbers: [462] 462,11 unequal: No Solution Exploring Operation: 7+66=73, Resulting Numbers: [73] 73,11 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,11 unequal: No Solution Moving to Node #0,3,1 Current State: 11:[68, 38], Operations: ['62-17=45', '45-7=38'] Exploring Operation: 68-38=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 68+38=106, Resulting Numbers: [106] 106,11 unequal: No Solution Exploring Operation: 68*38=2584, Resulting Numbers: [2584] 2584,11 unequal: No Solution Moving to Node #0,3,0 Current State: 11:[45, 61], Operations: ['62-17=45', '68-7=61'] Exploring Operation: 45+61=106, Resulting Numbers: [106] 106,11 unequal: No Solution Exploring Operation: 45*61=2745, Resulting Numbers: [2745] 2745,11 unequal: No Solution Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,11 unequal: No Solution Moving to Node #0,2,3 Current State: 11:[61, 45], Operations: ['68-7=61', '62-17=45'] Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 61*45=2745, Resulting Numbers: [2745] 2745,11 unequal: No Solution Exploring Operation: 61+45=106, Resulting Numbers: [106] 106,11 unequal: No Solution Moving to Node #0,2,2 Current State: 11:[62, 44], Operations: ['68-7=61', '61-17=44'] Exploring Operation: 62*44=2728, Resulting Numbers: [2728] 2728,11 unequal: No Solution Exploring Operation: 62+44=106, Resulting Numbers: [106] 106,11 unequal: No Solution Exploring Operation: 62-44=18, Resulting Numbers: [18] 18,11 unequal: No Solution Moving to Node #0,3,3 Current State: 11:[45, 75], Operations: ['62-17=45', '68+7=75'] Exploring Operation: 75-45=30, Resulting Numbers: [30] 30,11 unequal: No Solution Exploring Operation: 45+75=120, Resulting Numbers: [120] 120,11 unequal: No Solution Exploring Operation: 45*75=3375, Resulting Numbers: [3375] 3375,11 unequal: No Solution Moving to Node #0,3,2 Current State: 11:[68, 52], Operations: ['62-17=45', '7+45=52'] Exploring Operation: 68+52=120, Resulting Numbers: [120] 120,11 unequal: No Solution Exploring Operation: 68-52=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 68*52=3536, Resulting Numbers: [3536] 3536,11 unequal: No Solution Moving to Node #0,2,4 Current State: 11:[62, 78], Operations: ['68-7=61', '17+61=78'] Exploring Operation: 78-62=16, Resulting Numbers: [16] 16,11 unequal: No Solution Exploring Operation: 62*78=4836, Resulting Numbers: [4836] 4836,11 unequal: No Solution Exploring Operation: 62+78=140, Resulting Numbers: [140] 140,11 unequal: No Solution Moving to Node #0,2,0 Current State: 11:[61, 79], Operations: ['68-7=61', '17+62=79'] Exploring Operation: 61*79=4819, Resulting Numbers: [4819] 4819,11 unequal: No Solution Exploring Operation: 79-61=18, Resulting Numbers: [18] 18,11 unequal: No Solution Exploring Operation: 61+79=140, Resulting Numbers: [140] 140,11 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 52, 26, 14, 13 ]
51
[ "52+26=78", "14+13=27", "78-27=51" ]
Current State: 51:[52, 26, 14, 13], Operations: [] Exploring Operation: 52+26=78, Resulting Numbers: [14, 13, 78] Generated Node #2: [14, 13, 78] from Operation: 52+26=78 Current State: 51:[14, 13, 78], Operations: ['52+26=78'] Exploring Operation: 14+13=27, Resulting Numbers: [78, 27] Generated Node #3: [78, 27] from Operation: 14+13=27 Current State: 51:[78, 27], Operations: ['52+26=78', '14+13=27'] Exploring Operation: 78-27=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[52, 26, 14, 13], Operations: [] Exploring Operation: 52/26=2, Resulting Numbers: [14, 13, 2] Generated Node #0,0: 51:[14, 13, 2] Operation: 52/26=2 Exploring Operation: 26/13=2, Resulting Numbers: [52, 14, 2] Generated Node #0,1: 51:[52, 14, 2] Operation: 26/13=2 Moving to Node #0,1 Current State: 51:[52, 14, 2], Operations: ['26/13=2'] Exploring Operation: 52-2=50, Resulting Numbers: [14, 50] Generated Node #0,1,0: 51:[14, 50] Operation: 52-2=50 Exploring Operation: 14+2=16, Resulting Numbers: [52, 16] Generated Node #0,1,1: 51:[52, 16] Operation: 14+2=16 Moving to Node #0,0 Current State: 51:[14, 13, 2], Operations: ['52/26=2'] Exploring Operation: 14+2=16, Resulting Numbers: [13, 16] Generated Node #0,0,0: 51:[13, 16] Operation: 14+2=16 Exploring Operation: 14-13=1, Resulting Numbers: [2, 1] Generated Node #0,0,1: 51:[2, 1] Operation: 14-13=1 Moving to Node #0,1,1 Current State: 51:[52, 16], Operations: ['26/13=2', '14+2=16'] Exploring Operation: 52-16=36, Resulting Numbers: [36] 36,51 unequal: No Solution Exploring Operation: 52+16=68, Resulting Numbers: [68] 68,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[2, 1], Operations: ['52/26=2', '14-13=1'] Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[14, 50], Operations: ['26/13=2', '52-2=50'] Exploring Operation: 50-14=36, Resulting Numbers: [36] 36,51 unequal: No Solution Exploring Operation: 14+50=64, Resulting Numbers: [64] 64,51 unequal: No Solution Moving to Node #0,0,0 Current State: 51:[13, 16], Operations: ['52/26=2', '14+2=16'] Exploring Operation: 13+16=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 16-13=3, Resulting Numbers: [3] 3,51 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 22, 69, 9, 38 ]
44
[ "22+69=91", "9+38=47", "91-47=44" ]
Current State: 44:[22, 69, 9, 38], Operations: [] Exploring Operation: 22+69=91, Resulting Numbers: [9, 38, 91] Generated Node #2: [9, 38, 91] from Operation: 22+69=91 Current State: 44:[9, 38, 91], Operations: ['22+69=91'] Exploring Operation: 9+38=47, Resulting Numbers: [91, 47] Generated Node #3: [91, 47] from Operation: 9+38=47 Current State: 44:[91, 47], Operations: ['22+69=91', '9+38=47'] Exploring Operation: 91-47=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[22, 69, 9, 38], Operations: [] Exploring Operation: 69-9=60, Resulting Numbers: [22, 38, 60] Generated Node #0,0: 44:[22, 38, 60] Operation: 69-9=60 Exploring Operation: 69-38=31, Resulting Numbers: [22, 9, 31] Generated Node #0,1: 44:[22, 9, 31] Operation: 69-38=31 Exploring Operation: 38-22=16, Resulting Numbers: [69, 9, 16] Generated Node #0,2: 44:[69, 9, 16] Operation: 38-22=16 Exploring Operation: 69-22=47, Resulting Numbers: [9, 38, 47] Generated Node #0,3: 44:[9, 38, 47] Operation: 69-22=47 Exploring Operation: 9+38=47, Resulting Numbers: [22, 69, 47] Generated Node #0,4: 44:[22, 69, 47] Operation: 9+38=47 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[22, 9, 31], Operations: ['69-38=31'] Exploring Operation: 22+31=53, Resulting Numbers: [9, 53] Generated Node #0,1,0: 44:[9, 53] Operation: 22+31=53 Exploring Operation: 31-22=9, Resulting Numbers: [9, 9] Generated Node #0,1,1: 44:[9, 9] Operation: 31-22=9 Exploring Operation: 22-9=13, Resulting Numbers: [31, 13] Generated Node #0,1,2: 44:[31, 13] Operation: 22-9=13 Exploring Operation: 9+31=40, Resulting Numbers: [22, 40] Generated Node #0,1,3: 44:[22, 40] Operation: 9+31=40 Exploring Operation: 31-9=22, Resulting Numbers: [22, 22] Generated Node #0,1,4: 44:[22, 22] Operation: 31-9=22 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 44:[22, 22], Operations: ['69-38=31', '31-9=22'] Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[22, 69, 9, 38], Operations: [] Exploring Operation: 69-38=31, Resulting Numbers: [22, 9, 31] Generated Node #0,1: 44:[22, 9, 31] Operation: 69-38=31 Moving to Node #0,1 Current State: 44:[22, 9, 31], Operations: ['69-38=31'] Exploring Operation: 31-9=22, Resulting Numbers: [22, 22] Generated Node #0,1,4: 44:[22, 22] Operation: 31-9=22 Moving to Node #0,1,4 Current State: 44:[22, 22], Operations: ['69-38=31', '31-9=22'] Exploring Operation: 22+22=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 12, 70, 64, 23 ]
66
[ "12+23=35", "70/35=2", "64+2=66" ]
Current State: 66:[12, 70, 64, 23], Operations: [] Exploring Operation: 12+23=35, Resulting Numbers: [70, 64, 35] Generated Node #2: [70, 64, 35] from Operation: 12+23=35 Current State: 66:[70, 64, 35], Operations: ['12+23=35'] Exploring Operation: 70/35=2, Resulting Numbers: [64, 2] Generated Node #3: [64, 2] from Operation: 70/35=2 Current State: 66:[64, 2], Operations: ['12+23=35', '70/35=2'] Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[12, 70, 64, 23], Operations: [] Exploring Operation: 70-12=58, Resulting Numbers: [64, 23, 58] Generated Node #0,0: 66:[64, 23, 58] Operation: 70-12=58 Exploring Operation: 70-64=6, Resulting Numbers: [12, 23, 6] Generated Node #0,1: 66:[12, 23, 6] Operation: 70-64=6 Exploring Operation: 12+23=35, Resulting Numbers: [70, 64, 35] Generated Node #0,2: 66:[70, 64, 35] Operation: 12+23=35 Exploring Operation: 23-12=11, Resulting Numbers: [70, 64, 11] Generated Node #0,3: 66:[70, 64, 11] Operation: 23-12=11 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[12, 23, 6], Operations: ['70-64=6'] Exploring Operation: 23-12=11, Resulting Numbers: [6, 11] Generated Node #0,1,0: 66:[6, 11] Operation: 23-12=11 Exploring Operation: 12-6=6, Resulting Numbers: [23, 6] Generated Node #0,1,1: 66:[23, 6] Operation: 12-6=6 Exploring Operation: 12/6=2, Resulting Numbers: [23, 2] Generated Node #0,1,2: 66:[23, 2] Operation: 12/6=2 Exploring Operation: 12+23=35, Resulting Numbers: [6, 35] Generated Node #0,1,3: 66:[6, 35] Operation: 12+23=35 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 66:[6, 11], Operations: ['70-64=6', '23-12=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[12, 70, 64, 23], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [12, 23, 6] Generated Node #0,1: 66:[12, 23, 6] Operation: 70-64=6 Moving to Node #0,1 Current State: 66:[12, 23, 6], Operations: ['70-64=6'] Exploring Operation: 23-12=11, Resulting Numbers: [6, 11] Generated Node #0,1,0: 66:[6, 11] Operation: 23-12=11 Moving to Node #0,1,0 Current State: 66:[6, 11], Operations: ['70-64=6', '23-12=11'] Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 54, 46, 17, 54 ]
64
[ "54/54=1", "46+17=63", "1+63=64" ]
Current State: 64:[54, 46, 17, 54], Operations: [] Exploring Operation: 54/54=1, Resulting Numbers: [46, 17, 1] Generated Node #2: [46, 17, 1] from Operation: 54/54=1 Current State: 64:[46, 17, 1], Operations: ['54/54=1'] Exploring Operation: 46+17=63, Resulting Numbers: [1, 63] Generated Node #3: [1, 63] from Operation: 46+17=63 Current State: 64:[1, 63], Operations: ['54/54=1', '46+17=63'] Exploring Operation: 1+63=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[54, 46, 17, 54], Operations: [] Exploring Operation: 54-46=8, Resulting Numbers: [17, 54, 8] Generated Node #0,0: 64:[17, 54, 8] Operation: 54-46=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[17, 54, 8], Operations: ['54-46=8'] Exploring Operation: 54+8=62, Resulting Numbers: [17, 62] Generated Node #0,0,0: 64:[17, 62] Operation: 54+8=62 Moving to Node #0,0,0 Current State: 64:[17, 62], Operations: ['54-46=8', '54+8=62'] Exploring Operation: 62-17=45, Resulting Numbers: [45] 45,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 12, 20, 92, 16 ]
19
[ "20+92=112", "112/16=7", "12+7=19" ]
Current State: 19:[12, 20, 92, 16], Operations: [] Exploring Operation: 20+92=112, Resulting Numbers: [12, 16, 112] Generated Node #2: [12, 16, 112] from Operation: 20+92=112 Current State: 19:[12, 16, 112], Operations: ['20+92=112'] Exploring Operation: 112/16=7, Resulting Numbers: [12, 7] Generated Node #3: [12, 7] from Operation: 112/16=7 Current State: 19:[12, 7], Operations: ['20+92=112', '112/16=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[12, 20, 92, 16], Operations: [] Exploring Operation: 92-16=76, Resulting Numbers: [12, 20, 76] Generated Node #0,0: 19:[12, 20, 76] Operation: 92-16=76 Exploring Operation: 12+16=28, Resulting Numbers: [20, 92, 28] Generated Node #0,1: 19:[20, 92, 28] Operation: 12+16=28 Exploring Operation: 92-20=72, Resulting Numbers: [12, 16, 72] Generated Node #0,2: 19:[12, 16, 72] Operation: 92-20=72 Exploring Operation: 92-12=80, Resulting Numbers: [20, 16, 80] Generated Node #0,3: 19:[20, 16, 80] Operation: 92-12=80 Moving to Node #0,2 Current State: 19:[12, 16, 72], Operations: ['92-20=72'] Exploring Operation: 72-16=56, Resulting Numbers: [12, 56] Generated Node #0,2,0: 19:[12, 56] Operation: 72-16=56 Exploring Operation: 72-12=60, Resulting Numbers: [16, 60] Generated Node #0,2,1: 19:[16, 60] Operation: 72-12=60 Exploring Operation: 72/12=6, Resulting Numbers: [16, 6] Generated Node #0,2,2: 19:[16, 6] Operation: 72/12=6 Exploring Operation: 12+16=28, Resulting Numbers: [72, 28] Generated Node #0,2,3: 19:[72, 28] Operation: 12+16=28 Moving to Node #0,3 Current State: 19:[20, 16, 80], Operations: ['92-12=80'] Exploring Operation: 80-16=64, Resulting Numbers: [20, 64] Generated Node #0,3,0: 19:[20, 64] Operation: 80-16=64 Exploring Operation: 80-20=60, Resulting Numbers: [16, 60] Generated Node #0,3,1: 19:[16, 60] Operation: 80-20=60 Exploring Operation: 80/16=5, Resulting Numbers: [20, 5] Generated Node #0,3,2: 19:[20, 5] Operation: 80/16=5 Exploring Operation: 80/20=4, Resulting Numbers: [16, 4] Generated Node #0,3,3: 19:[16, 4] Operation: 80/20=4 Moving to Node #0,0 Current State: 19:[12, 20, 76], Operations: ['92-16=76'] Exploring Operation: 12+20=32, Resulting Numbers: [76, 32] Generated Node #0,0,0: 19:[76, 32] Operation: 12+20=32 Exploring Operation: 76-20=56, Resulting Numbers: [12, 56] Generated Node #0,0,1: 19:[12, 56] Operation: 76-20=56 Exploring Operation: 20-12=8, Resulting Numbers: [76, 8] Generated Node #0,0,2: 19:[76, 8] Operation: 20-12=8 Exploring Operation: 76-12=64, Resulting Numbers: [20, 64] Generated Node #0,0,3: 19:[20, 64] Operation: 76-12=64 Moving to Node #0,1 Current State: 19:[20, 92, 28], Operations: ['12+16=28'] Exploring Operation: 92-28=64, Resulting Numbers: [20, 64] Generated Node #0,1,0: 19:[20, 64] Operation: 92-28=64 Exploring Operation: 28-20=8, Resulting Numbers: [92, 8] Generated Node #0,1,1: 19:[92, 8] Operation: 28-20=8 Exploring Operation: 20+92=112, Resulting Numbers: [28, 112] Generated Node #0,1,2: 19:[28, 112] Operation: 20+92=112 Exploring Operation: 92-20=72, Resulting Numbers: [28, 72] Generated Node #0,1,3: 19:[28, 72] Operation: 92-20=72 Moving to Node #0,3,2 Current State: 19:[20, 5], Operations: ['92-12=80', '80/16=5'] Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,19 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,19 unequal: No Solution Exploring Operation: 20*5=100, Resulting Numbers: [100] 100,19 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,19 unequal: No Solution Moving to Node #0,2,2 Current State: 19:[16, 6], Operations: ['92-20=72', '72/12=6'] Exploring Operation: 16+6=22, Resulting Numbers: [22] 22,19 unequal: No Solution Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,19 unequal: No Solution Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,19 unequal: No Solution Moving to Node #0,3,3 Current State: 19:[16, 4], Operations: ['92-12=80', '80/20=4'] Exploring Operation: 16+4=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,19 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 16*4=64, Resulting Numbers: [64] 64,19 unequal: No Solution Moving to Node #0,3,1 Current State: 19:[16, 60], Operations: ['92-12=80', '80-20=60'] Exploring Operation: 16*60=960, Resulting Numbers: [960] 960,19 unequal: No Solution Exploring Operation: 16+60=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,19 unequal: No Solution Moving to Node #0,2,1 Current State: 19:[16, 60], Operations: ['92-20=72', '72-12=60'] Exploring Operation: 16*60=960, Resulting Numbers: [960] 960,19 unequal: No Solution Exploring Operation: 16+60=76, Resulting Numbers: [76] 76,19 unequal: No Solution Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,19 unequal: No Solution Moving to Node #0,2,0 Current State: 19:[12, 56], Operations: ['92-20=72', '72-16=56'] Exploring Operation: 12*56=672, Resulting Numbers: [672] 672,19 unequal: No Solution Exploring Operation: 12+56=68, Resulting Numbers: [68] 68,19 unequal: No Solution Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[12, 56], Operations: ['92-16=76', '76-20=56'] Exploring Operation: 56-12=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 12+56=68, Resulting Numbers: [68] 68,19 unequal: No Solution Exploring Operation: 12*56=672, Resulting Numbers: [672] 672,19 unequal: No Solution Moving to Node #0,1,0 Current State: 19:[20, 64], Operations: ['12+16=28', '92-28=64'] Exploring Operation: 20+64=84, Resulting Numbers: [84] 84,19 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 20*64=1280, Resulting Numbers: [1280] 1280,19 unequal: No Solution Moving to Node #0,0,3 Current State: 19:[20, 64], Operations: ['92-16=76', '76-12=64'] Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 20*64=1280, Resulting Numbers: [1280] 1280,19 unequal: No Solution Exploring Operation: 20+64=84, Resulting Numbers: [84] 84,19 unequal: No Solution Moving to Node #0,3,0 Current State: 19:[20, 64], Operations: ['92-12=80', '80-16=64'] Exploring Operation: 20*64=1280, Resulting Numbers: [1280] 1280,19 unequal: No Solution Exploring Operation: 20+64=84, Resulting Numbers: [84] 84,19 unequal: No Solution Exploring Operation: 64-20=44, Resulting Numbers: [44] 44,19 unequal: No Solution Moving to Node #0,1,3 Current State: 19:[28, 72], Operations: ['12+16=28', '92-20=72'] Exploring Operation: 28*72=2016, Resulting Numbers: [2016] 2016,19 unequal: No Solution Exploring Operation: 28+72=100, Resulting Numbers: [100] 100,19 unequal: No Solution Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,19 unequal: No Solution Moving to Node #0,2,3 Current State: 19:[72, 28], Operations: ['92-20=72', '12+16=28'] Exploring Operation: 72-28=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 72+28=100, Resulting Numbers: [100] 100,19 unequal: No Solution Exploring Operation: 72*28=2016, Resulting Numbers: [2016] 2016,19 unequal: No Solution Moving to Node #0,0,2 Current State: 19:[76, 8], Operations: ['92-16=76', '20-12=8'] Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,19 unequal: No Solution Exploring Operation: 76*8=608, Resulting Numbers: [608] 608,19 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,19 unequal: No Solution Moving to Node #0,0,0 Current State: 19:[76, 32], Operations: ['92-16=76', '12+20=32'] Exploring Operation: 76-32=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 76+32=108, Resulting Numbers: [108] 108,19 unequal: No Solution Exploring Operation: 76*32=2432, Resulting Numbers: [2432] 2432,19 unequal: No Solution Moving to Node #0,1,1 Current State: 19:[92, 8], Operations: ['12+16=28', '28-20=8'] Exploring Operation: 92-8=84, Resulting Numbers: [84] 84,19 unequal: No Solution Exploring Operation: 92+8=100, Resulting Numbers: [100] 100,19 unequal: No Solution Exploring Operation: 92*8=736, Resulting Numbers: [736] 736,19 unequal: No Solution Moving to Node #0,1,2 Current State: 19:[28, 112], Operations: ['12+16=28', '20+92=112'] Exploring Operation: 112-28=84, Resulting Numbers: [84] 84,19 unequal: No Solution Exploring Operation: 28*112=3136, Resulting Numbers: [3136] 3136,19 unequal: No Solution Exploring Operation: 112/28=4, Resulting Numbers: [4] 4,19 unequal: No Solution Exploring Operation: 28+112=140, Resulting Numbers: [140] 140,19 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 28, 4, 54, 46 ]
93
[ "28/4=7", "54+46=100", "100-7=93" ]
Current State: 93:[28, 4, 54, 46], Operations: [] Exploring Operation: 28/4=7, Resulting Numbers: [54, 46, 7] Generated Node #2: [54, 46, 7] from Operation: 28/4=7 Current State: 93:[54, 46, 7], Operations: ['28/4=7'] Exploring Operation: 54+46=100, Resulting Numbers: [7, 100] Generated Node #3: [7, 100] from Operation: 54+46=100 Current State: 93:[7, 100], Operations: ['28/4=7', '54+46=100'] Exploring Operation: 100-7=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[28, 4, 54, 46], Operations: [] Exploring Operation: 54-28=26, Resulting Numbers: [4, 46, 26] Generated Node #0,0: 93:[4, 46, 26] Operation: 54-28=26 Exploring Operation: 54-46=8, Resulting Numbers: [28, 4, 8] Generated Node #0,1: 93:[28, 4, 8] Operation: 54-46=8 Exploring Operation: 54+46=100, Resulting Numbers: [28, 4, 100] Generated Node #0,2: 93:[28, 4, 100] Operation: 54+46=100 Moving to Node #0,1 Current State: 93:[28, 4, 8], Operations: ['54-46=8'] Exploring Operation: 8-4=4, Resulting Numbers: [28, 4] Generated Node #0,1,0: 93:[28, 4] Operation: 8-4=4 Exploring Operation: 8/4=2, Resulting Numbers: [28, 2] Generated Node #0,1,1: 93:[28, 2] Operation: 8/4=2 Exploring Operation: 4*8=32, Resulting Numbers: [28, 32] Generated Node #0,1,2: 93:[28, 32] Operation: 4*8=32 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[28, 4], Operations: ['54-46=8', '8-4=4'] Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,93 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,93 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[28, 2], Operations: ['54-46=8', '8/4=2'] Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,93 unequal: No Solution Exploring Operation: 28+2=30, Resulting Numbers: [30] 30,93 unequal: No Solution Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[28, 32], Operations: ['54-46=8', '4*8=32'] Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,93 unequal: No Solution Exploring Operation: 28*32=896, Resulting Numbers: [896] 896,93 unequal: No Solution Exploring Operation: 28+32=60, Resulting Numbers: [60] 60,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 93:[28, 4, 100], Operations: ['54+46=100'] Exploring Operation: 100/4=25, Resulting Numbers: [28, 25] Generated Node #0,2,0: 93:[28, 25] Operation: 100/4=25 Exploring Operation: 100-4=96, Resulting Numbers: [28, 96] Generated Node #0,2,1: 93:[28, 96] Operation: 100-4=96 Exploring Operation: 28+4=32, Resulting Numbers: [100, 32] Generated Node #0,2,2: 93:[100, 32] Operation: 28+4=32 Moving to Node #0,0 Current State: 93:[4, 46, 26], Operations: ['54-28=26'] Exploring Operation: 46-4=42, Resulting Numbers: [26, 42] Generated Node #0,0,0: 93:[26, 42] Operation: 46-4=42 Exploring Operation: 4+26=30, Resulting Numbers: [46, 30] Generated Node #0,0,1: 93:[46, 30] Operation: 4+26=30 Exploring Operation: 46-26=20, Resulting Numbers: [4, 20] Generated Node #0,0,2: 93:[4, 20] Operation: 46-26=20 Moving to Node #0,2,1 Current State: 93:[28, 96], Operations: ['54+46=100', '100-4=96'] Exploring Operation: 96-28=68, Resulting Numbers: [68] 68,93 unequal: No Solution Exploring Operation: 28+96=124, Resulting Numbers: [124] 124,93 unequal: No Solution Exploring Operation: 28*96=2688, Resulting Numbers: [2688] 2688,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[100, 32], Operations: ['54+46=100', '28+4=32'] Exploring Operation: 100-32=68, Resulting Numbers: [68] 68,93 unequal: No Solution Exploring Operation: 100+32=132, Resulting Numbers: [132] 132,93 unequal: No Solution Exploring Operation: 100*32=3200, Resulting Numbers: [3200] 3200,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[28, 25], Operations: ['54+46=100', '100/4=25'] Exploring Operation: 28*25=700, Resulting Numbers: [700] 700,93 unequal: No Solution Exploring Operation: 28-25=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 28+25=53, Resulting Numbers: [53] 53,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[4, 20], Operations: ['54-28=26', '46-26=20'] Exploring Operation: 4*20=80, Resulting Numbers: [80] 80,93 unequal: No Solution Exploring Operation: 4+20=24, Resulting Numbers: [24] 24,93 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[46, 30], Operations: ['54-28=26', '4+26=30'] Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,93 unequal: No Solution Exploring Operation: 46*30=1380, Resulting Numbers: [1380] 1380,93 unequal: No Solution Exploring Operation: 46+30=76, Resulting Numbers: [76] 76,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[26, 42], Operations: ['54-28=26', '46-4=42'] Exploring Operation: 42-26=16, Resulting Numbers: [16] 16,93 unequal: No Solution Exploring Operation: 26*42=1092, Resulting Numbers: [1092] 1092,93 unequal: No Solution Exploring Operation: 26+42=68, Resulting Numbers: [68] 68,93 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 24, 16, 71, 4 ]
91
[ "24+71=95", "16/4=4", "95-4=91" ]
Current State: 91:[24, 16, 71, 4], Operations: [] Exploring Operation: 24+71=95, Resulting Numbers: [16, 4, 95] Generated Node #2: [16, 4, 95] from Operation: 24+71=95 Current State: 91:[16, 4, 95], Operations: ['24+71=95'] Exploring Operation: 16/4=4, Resulting Numbers: [95, 4] Generated Node #3: [95, 4] from Operation: 16/4=4 Current State: 91:[95, 4], Operations: ['24+71=95', '16/4=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[24, 16, 71, 4], Operations: [] Exploring Operation: 16+71=87, Resulting Numbers: [24, 4, 87] Generated Node #0,0: 91:[24, 4, 87] Operation: 16+71=87 Exploring Operation: 24/4=6, Resulting Numbers: [16, 71, 6] Generated Node #0,1: 91:[16, 71, 6] Operation: 24/4=6 Exploring Operation: 24+71=95, Resulting Numbers: [16, 4, 95] Generated Node #0,2: 91:[16, 4, 95] Operation: 24+71=95 Exploring Operation: 24-16=8, Resulting Numbers: [71, 4, 8] Generated Node #0,3: 91:[71, 4, 8] Operation: 24-16=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 91:[16, 4, 95], Operations: ['24+71=95'] Exploring Operation: 95-4=91, Resulting Numbers: [16, 91] Generated Node #0,2,0: 91:[16, 91] Operation: 95-4=91 Exploring Operation: 16+4=20, Resulting Numbers: [95, 20] Generated Node #0,2,1: 91:[95, 20] Operation: 16+4=20 Exploring Operation: 16/4=4, Resulting Numbers: [95, 4] Generated Node #0,2,2: 91:[95, 4] Operation: 16/4=4 Exploring Operation: 16-4=12, Resulting Numbers: [95, 12] Generated Node #0,2,3: 91:[95, 12] Operation: 16-4=12 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 91:[16, 91], Operations: ['24+71=95', '95-4=91'] Exploring Operation: 16*91=1456, Resulting Numbers: [1456] 1456,91 unequal: No Solution Exploring Operation: 16+91=107, Resulting Numbers: [107] 107,91 unequal: No Solution Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,91 unequal: No Solution No 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: 91:[95, 12], Operations: ['24+71=95', '16-4=12'] Exploring Operation: 95+12=107, Resulting Numbers: [107] 107,91 unequal: No Solution Exploring Operation: 95*12=1140, Resulting Numbers: [1140] 1140,91 unequal: No Solution Exploring Operation: 95-12=83, Resulting Numbers: [83] 83,91 unequal: No Solution No 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: 91:[95, 4], Operations: ['24+71=95', '16/4=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[24, 16, 71, 4], Operations: [] Exploring Operation: 24+71=95, Resulting Numbers: [16, 4, 95] Generated Node #0,2: 91:[16, 4, 95] Operation: 24+71=95 Moving to Node #0,2 Current State: 91:[16, 4, 95], Operations: ['24+71=95'] Exploring Operation: 16/4=4, Resulting Numbers: [95, 4] Generated Node #0,2,2: 91:[95, 4] Operation: 16/4=4 Moving to Node #0,2,2 Current State: 91:[95, 4], Operations: ['24+71=95', '16/4=4'] Exploring Operation: 95-4=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
mult_heuristic
[ 85, 63, 5, 87 ]
66
[ "85+63=148", "87-5=82", "148-82=66" ]
Current State: 66:[85, 63, 5, 87], Operations: [] Exploring Operation: 85+63=148, Resulting Numbers: [5, 87, 148] Generated Node #2: [5, 87, 148] from Operation: 85+63=148 Current State: 66:[5, 87, 148], Operations: ['85+63=148'] Exploring Operation: 87-5=82, Resulting Numbers: [148, 82] Generated Node #3: [148, 82] from Operation: 87-5=82 Current State: 66:[148, 82], Operations: ['85+63=148', '87-5=82'] Exploring Operation: 148-82=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[85, 63, 5, 87], Operations: [] Exploring Operation: 85-63=22, Resulting Numbers: [5, 87, 22] Generated Node #0,0: 66:[5, 87, 22] Operation: 85-63=22 Exploring Operation: 87-85=2, Resulting Numbers: [63, 5, 2] Generated Node #0,1: 66:[63, 5, 2] Operation: 87-85=2 Exploring Operation: 85/5=17, Resulting Numbers: [63, 87, 17] Generated Node #0,2: 66:[63, 87, 17] Operation: 85/5=17 Exploring Operation: 85-5=80, Resulting Numbers: [63, 87, 80] Generated Node #0,3: 66:[63, 87, 80] Operation: 85-5=80 Exploring Operation: 87-63=24, Resulting Numbers: [85, 5, 24] Generated Node #0,4: 66:[85, 5, 24] Operation: 87-63=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 66:[63, 5, 2], Operations: ['87-85=2'] Exploring Operation: 5+2=7, Resulting Numbers: [63, 7] Generated Node #0,1,0: 66:[63, 7] Operation: 5+2=7 Exploring Operation: 63+2=65, Resulting Numbers: [5, 65] Generated Node #0,1,1: 66:[5, 65] Operation: 63+2=65 Exploring Operation: 5*2=10, Resulting Numbers: [63, 10] Generated Node #0,1,2: 66:[63, 10] Operation: 5*2=10 Exploring Operation: 5-2=3, Resulting Numbers: [63, 3] Generated Node #0,1,3: 66:[63, 3] Operation: 5-2=3 Exploring Operation: 63+5=68, Resulting Numbers: [2, 68] Generated Node #0,1,4: 66:[2, 68] Operation: 63+5=68 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 66:[5, 65], Operations: ['87-85=2', '63+2=65'] Exploring Operation: 65-5=60, Resulting Numbers: [60] 60,66 unequal: No Solution Exploring Operation: 5*65=325, Resulting Numbers: [325] 325,66 unequal: No Solution Exploring Operation: 65/5=13, Resulting Numbers: [13] 13,66 unequal: No Solution Exploring Operation: 5+65=70, Resulting Numbers: [70] 70,66 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 66:[2, 68], Operations: ['87-85=2', '63+5=68'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[85, 63, 5, 87], Operations: [] Exploring Operation: 87-85=2, Resulting Numbers: [63, 5, 2] Generated Node #0,1: 66:[63, 5, 2] Operation: 87-85=2 Moving to Node #0,1 Current State: 66:[63, 5, 2], Operations: ['87-85=2'] Exploring Operation: 63+5=68, Resulting Numbers: [2, 68] Generated Node #0,1,4: 66:[2, 68] Operation: 63+5=68 Moving to Node #0,1,4 Current State: 66:[2, 68], Operations: ['87-85=2', '63+5=68'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 41, 24, 9, 3 ]
99
[ "41*9=369", "369/3=123", "123-24=99" ]
Current State: 99:[41, 24, 9, 3], Operations: [] Exploring Operation: 41*9=369, Resulting Numbers: [24, 3, 369] Generated Node #2: [24, 3, 369] from Operation: 41*9=369 Current State: 99:[24, 3, 369], Operations: ['41*9=369'] Exploring Operation: 369/3=123, Resulting Numbers: [24, 123] Generated Node #3: [24, 123] from Operation: 369/3=123 Current State: 99:[24, 123], Operations: ['41*9=369', '369/3=123'] Exploring Operation: 123-24=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[41, 24, 9, 3], Operations: [] Exploring Operation: 24/3=8, Resulting Numbers: [41, 9, 8] Generated Node #0,0: 99:[41, 9, 8] Operation: 24/3=8 Exploring Operation: 24+9=33, Resulting Numbers: [41, 3, 33] Generated Node #0,1: 99:[41, 3, 33] Operation: 24+9=33 Exploring Operation: 41-24=17, Resulting Numbers: [9, 3, 17] Generated Node #0,2: 99:[9, 3, 17] Operation: 41-24=17 Moving to Node #0,2 Current State: 99:[9, 3, 17], Operations: ['41-24=17'] Exploring Operation: 17-3=14, Resulting Numbers: [9, 14] Generated Node #0,2,0: 99:[9, 14] Operation: 17-3=14 Exploring Operation: 9/3=3, Resulting Numbers: [17, 3] Generated Node #0,2,1: 99:[17, 3] Operation: 9/3=3 Exploring Operation: 17-9=8, Resulting Numbers: [3, 8] Generated Node #0,2,2: 99:[3, 8] Operation: 17-9=8 Moving to Node #0,1 Current State: 99:[41, 3, 33], Operations: ['24+9=33'] Exploring Operation: 41-33=8, Resulting Numbers: [3, 8] Generated Node #0,1,0: 99:[3, 8] Operation: 41-33=8 Exploring Operation: 41-3=38, Resulting Numbers: [33, 38] Generated Node #0,1,1: 99:[33, 38] Operation: 41-3=38 Exploring Operation: 3*33=99, Resulting Numbers: [41, 99] Generated Node #0,1,2: 99:[41, 99] Operation: 3*33=99 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 99:[3, 8], Operations: ['24+9=33', '41-33=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[33, 38], Operations: ['24+9=33', '41-3=38'] Exploring Operation: 38-33=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 33*38=1254, Resulting Numbers: [1254] 1254,99 unequal: No Solution Exploring Operation: 33+38=71, Resulting Numbers: [71] 71,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 99:[41, 99], Operations: ['24+9=33', '3*33=99'] Exploring Operation: 41+99=140, Resulting Numbers: [140] 140,99 unequal: No Solution Exploring Operation: 99-41=58, Resulting Numbers: [58] 58,99 unequal: No Solution Exploring Operation: 41*99=4059, Resulting Numbers: [4059] 4059,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 99:[41, 9, 8], Operations: ['24/3=8'] Exploring Operation: 41-9=32, Resulting Numbers: [8, 32] Generated Node #0,0,0: 99:[8, 32] Operation: 41-9=32 Exploring Operation: 9-8=1, Resulting Numbers: [41, 1] Generated Node #0,0,1: 99:[41, 1] Operation: 9-8=1 Exploring Operation: 41-8=33, Resulting Numbers: [9, 33] Generated Node #0,0,2: 99:[9, 33] Operation: 41-8=33 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 99:[9, 33], Operations: ['24/3=8', '41-8=33'] Exploring Operation: 9*33=297, Resulting Numbers: [297] 297,99 unequal: No Solution Exploring Operation: 9+33=42, Resulting Numbers: [42] 42,99 unequal: No Solution Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[8, 32], Operations: ['24/3=8', '41-9=32'] Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 8+32=40, Resulting Numbers: [40] 40,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[41, 1], Operations: ['24/3=8', '9-8=1'] Exploring Operation: 41*1=41, Resulting Numbers: [41] 41,99 unequal: No Solution Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,99 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 99:[3, 8], Operations: ['41-24=17', '17-9=8'] Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 3*8=24, Resulting Numbers: [24] 24,99 unequal: No Solution Exploring Operation: 3+8=11, Resulting Numbers: [11] 11,99 unequal: No Solution Moving to Node #0,2,0 Current State: 99:[9, 14], Operations: ['41-24=17', '17-3=14'] Exploring Operation: 9+14=23, Resulting Numbers: [23] 23,99 unequal: No Solution Exploring Operation: 14-9=5, Resulting Numbers: [5] 5,99 unequal: No Solution Exploring Operation: 9*14=126, Resulting Numbers: [126] 126,99 unequal: No Solution Moving to Node #0,2,1 Current State: 99:[17, 3], Operations: ['41-24=17', '9/3=3'] Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,99 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,99 unequal: No Solution Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,99 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 21, 17, 62, 92 ]
68
[ "21+17=38", "92-62=30", "38+30=68" ]
Current State: 68:[21, 17, 62, 92], Operations: [] Exploring Operation: 21+17=38, Resulting Numbers: [62, 92, 38] Generated Node #2: [62, 92, 38] from Operation: 21+17=38 Current State: 68:[62, 92, 38], Operations: ['21+17=38'] Exploring Operation: 92-62=30, Resulting Numbers: [38, 30] Generated Node #3: [38, 30] from Operation: 92-62=30 Current State: 68:[38, 30], Operations: ['21+17=38', '92-62=30'] Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[21, 17, 62, 92], Operations: [] Exploring Operation: 62-21=41, Resulting Numbers: [17, 92, 41] Generated Node #0,0: 68:[17, 92, 41] Operation: 62-21=41 Exploring Operation: 92-21=71, Resulting Numbers: [17, 62, 71] Generated Node #0,1: 68:[17, 62, 71] Operation: 92-21=71 Exploring Operation: 21-17=4, Resulting Numbers: [62, 92, 4] Generated Node #0,2: 68:[62, 92, 4] Operation: 21-17=4 Exploring Operation: 92-17=75, Resulting Numbers: [21, 62, 75] Generated Node #0,3: 68:[21, 62, 75] Operation: 92-17=75 Exploring Operation: 92-62=30, Resulting Numbers: [21, 17, 30] Generated Node #0,4: 68:[21, 17, 30] Operation: 92-62=30 Moving to Node #0,4 Current State: 68:[21, 17, 30], Operations: ['92-62=30'] Exploring Operation: 21+17=38, Resulting Numbers: [30, 38] Generated Node #0,4,0: 68:[30, 38] Operation: 21+17=38 Exploring Operation: 30-17=13, Resulting Numbers: [21, 13] Generated Node #0,4,1: 68:[21, 13] Operation: 30-17=13 Exploring Operation: 21-17=4, Resulting Numbers: [30, 4] Generated Node #0,4,2: 68:[30, 4] Operation: 21-17=4 Exploring Operation: 30-21=9, Resulting Numbers: [17, 9] Generated Node #0,4,3: 68:[17, 9] Operation: 30-21=9 Exploring Operation: 21+30=51, Resulting Numbers: [17, 51] Generated Node #0,4,4: 68:[17, 51] Operation: 21+30=51 Moving to Node #0,1 Current State: 68:[17, 62, 71], Operations: ['92-21=71'] Exploring Operation: 62-17=45, Resulting Numbers: [71, 45] Generated Node #0,1,0: 68:[71, 45] Operation: 62-17=45 Exploring Operation: 71-62=9, Resulting Numbers: [17, 9] Generated Node #0,1,1: 68:[17, 9] Operation: 71-62=9 Exploring Operation: 17+71=88, Resulting Numbers: [62, 88] Generated Node #0,1,2: 68:[62, 88] Operation: 17+71=88 Exploring Operation: 17+62=79, Resulting Numbers: [71, 79] Generated Node #0,1,3: 68:[71, 79] Operation: 17+62=79 Exploring Operation: 71-17=54, Resulting Numbers: [62, 54] Generated Node #0,1,4: 68:[62, 54] Operation: 71-17=54 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 68:[17, 9], Operations: ['92-21=71', '71-62=9'] Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 68:[71, 45], Operations: ['92-21=71', '62-17=45'] Exploring Operation: 71+45=116, Resulting Numbers: [116] 116,68 unequal: No Solution Exploring Operation: 71-45=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 71*45=3195, Resulting Numbers: [3195] 3195,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 68:[71, 79], Operations: ['92-21=71', '17+62=79'] Exploring Operation: 79-71=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 71+79=150, Resulting Numbers: [150] 150,68 unequal: No Solution Exploring Operation: 71*79=5609, Resulting Numbers: [5609] 5609,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 68:[62, 54], Operations: ['92-21=71', '71-17=54'] Exploring Operation: 62-54=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 62*54=3348, Resulting Numbers: [3348] 3348,68 unequal: No Solution Exploring Operation: 62+54=116, Resulting Numbers: [116] 116,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 68:[62, 88], Operations: ['92-21=71', '17+71=88'] Exploring Operation: 62+88=150, Resulting Numbers: [150] 150,68 unequal: No Solution Exploring Operation: 88-62=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 62*88=5456, Resulting Numbers: [5456] 5456,68 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: 68:[21, 62, 75], Operations: ['92-17=75'] Exploring Operation: 75-62=13, Resulting Numbers: [21, 13] Generated Node #0,3,0: 68:[21, 13] Operation: 75-62=13 Exploring Operation: 75-21=54, Resulting Numbers: [62, 54] Generated Node #0,3,1: 68:[62, 54] Operation: 75-21=54 Exploring Operation: 62-21=41, Resulting Numbers: [75, 41] Generated Node #0,3,2: 68:[75, 41] Operation: 62-21=41 Exploring Operation: 21+75=96, Resulting Numbers: [62, 96] Generated Node #0,3,3: 68:[62, 96] Operation: 21+75=96 Exploring Operation: 21+62=83, Resulting Numbers: [75, 83] Generated Node #0,3,4: 68:[75, 83] Operation: 21+62=83 Moving to Node #0,2 Current State: 68:[62, 92, 4], Operations: ['21-17=4'] Exploring Operation: 92/4=23, Resulting Numbers: [62, 23] Generated Node #0,2,0: 68:[62, 23] Operation: 92/4=23 Exploring Operation: 62-4=58, Resulting Numbers: [92, 58] Generated Node #0,2,1: 68:[92, 58] Operation: 62-4=58 Exploring Operation: 92-4=88, Resulting Numbers: [62, 88] Generated Node #0,2,2: 68:[62, 88] Operation: 92-4=88 Exploring Operation: 92-62=30, Resulting Numbers: [4, 30] Generated Node #0,2,3: 68:[4, 30] Operation: 92-62=30 Exploring Operation: 62+4=66, Resulting Numbers: [92, 66] Generated Node #0,2,4: 68:[92, 66] Operation: 62+4=66 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 68:[4, 30], Operations: ['21-17=4', '92-62=30'] Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,68 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 68:[62, 23], Operations: ['21-17=4', '92/4=23'] Exploring Operation: 62*23=1426, Resulting Numbers: [1426] 1426,68 unequal: No Solution Exploring Operation: 62+23=85, Resulting Numbers: [85] 85,68 unequal: No Solution Exploring Operation: 62-23=39, Resulting Numbers: [39] 39,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 68:[62, 88], Operations: ['21-17=4', '92-4=88'] Exploring Operation: 88-62=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 62+88=150, Resulting Numbers: [150] 150,68 unequal: No Solution Exploring Operation: 62*88=5456, Resulting Numbers: [5456] 5456,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 68:[92, 66], Operations: ['21-17=4', '62+4=66'] Exploring Operation: 92-66=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 92+66=158, Resulting Numbers: [158] 158,68 unequal: No Solution Exploring Operation: 92*66=6072, Resulting Numbers: [6072] 6072,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 68:[92, 58], Operations: ['21-17=4', '62-4=58'] Exploring Operation: 92+58=150, Resulting Numbers: [150] 150,68 unequal: No Solution Exploring Operation: 92-58=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 92*58=5336, Resulting Numbers: [5336] 5336,68 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: 68:[17, 92, 41], Operations: ['62-21=41'] Exploring Operation: 17+41=58, Resulting Numbers: [92, 58] Generated Node #0,0,0: 68:[92, 58] Operation: 17+41=58 Exploring Operation: 92-41=51, Resulting Numbers: [17, 51] Generated Node #0,0,1: 68:[17, 51] Operation: 92-41=51 Exploring Operation: 41-17=24, Resulting Numbers: [92, 24] Generated Node #0,0,2: 68:[92, 24] Operation: 41-17=24 Exploring Operation: 92-17=75, Resulting Numbers: [41, 75] Generated Node #0,0,3: 68:[41, 75] Operation: 92-17=75 Exploring Operation: 17+92=109, Resulting Numbers: [41, 109] Generated Node #0,0,4: 68:[41, 109] Operation: 17+92=109 Moving to Node #0,4,2 Current State: 68:[30, 4], Operations: ['92-62=30', '21-17=4'] Exploring Operation: 30+4=34, Resulting Numbers: [34] 34,68 unequal: No Solution Exploring Operation: 30*4=120, Resulting Numbers: [120] 120,68 unequal: No Solution Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,68 unequal: No Solution Moving to Node #0,4,3 Current State: 68:[17, 9], Operations: ['92-62=30', '30-21=9'] Exploring Operation: 17*9=153, Resulting Numbers: [153] 153,68 unequal: No Solution Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 17+9=26, Resulting Numbers: [26] 26,68 unequal: No Solution Moving to Node #0,4,0 Current State: 68:[30, 38], Operations: ['92-62=30', '21+17=38'] Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,68 unequal: No Solution Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[21, 17, 62, 92], Operations: [] Exploring Operation: 92-62=30, Resulting Numbers: [21, 17, 30] Generated Node #0,4: 68:[21, 17, 30] Operation: 92-62=30 Moving to Node #0,4 Current State: 68:[21, 17, 30], Operations: ['92-62=30'] Exploring Operation: 21+17=38, Resulting Numbers: [30, 38] Generated Node #0,4,0: 68:[30, 38] Operation: 21+17=38 Moving to Node #0,4,0 Current State: 68:[30, 38], Operations: ['92-62=30', '21+17=38'] Exploring Operation: 30+38=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.9375
hs_5
sum_heuristic
[ 57, 66, 61, 44 ]
26
[ "66-57=9", "61-44=17", "9+17=26" ]
Current State: 26:[57, 66, 61, 44], Operations: [] Exploring Operation: 66-57=9, Resulting Numbers: [61, 44, 9] Generated Node #2: [61, 44, 9] from Operation: 66-57=9 Current State: 26:[61, 44, 9], Operations: ['66-57=9'] Exploring Operation: 61-44=17, Resulting Numbers: [9, 17] Generated Node #3: [9, 17] from Operation: 61-44=17 Current State: 26:[9, 17], Operations: ['66-57=9', '61-44=17'] Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[57, 66, 61, 44], Operations: [] Exploring Operation: 66-61=5, Resulting Numbers: [57, 44, 5] Generated Node #0,0: 26:[57, 44, 5] Operation: 66-61=5 Moving to Node #0,0 Current State: 26:[57, 44, 5], Operations: ['66-61=5'] Exploring Operation: 57-44=13, Resulting Numbers: [5, 13] Generated Node #0,0,0: 26:[5, 13] Operation: 57-44=13 Moving to Node #0,0,0 Current State: 26:[5, 13], Operations: ['66-61=5', '57-44=13'] Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,26 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 46, 77, 11, 61 ]
33
[ "77+61=138", "138/46=3", "11*3=33" ]
Current State: 33:[46, 77, 11, 61], Operations: [] Exploring Operation: 77+61=138, Resulting Numbers: [46, 11, 138] Generated Node #2: [46, 11, 138] from Operation: 77+61=138 Current State: 33:[46, 11, 138], Operations: ['77+61=138'] Exploring Operation: 138/46=3, Resulting Numbers: [11, 3] Generated Node #3: [11, 3] from Operation: 138/46=3 Current State: 33:[11, 3], Operations: ['77+61=138', '138/46=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[46, 77, 11, 61], Operations: [] Exploring Operation: 77-46=31, Resulting Numbers: [11, 61, 31] Generated Node #0,0: 33:[11, 61, 31] Operation: 77-46=31 Exploring Operation: 77-61=16, Resulting Numbers: [46, 11, 16] Generated Node #0,1: 33:[46, 11, 16] Operation: 77-61=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[46, 11, 16], Operations: ['77-61=16'] Exploring Operation: 46-11=35, Resulting Numbers: [16, 35] Generated Node #0,1,0: 33:[16, 35] Operation: 46-11=35 Exploring Operation: 46-16=30, Resulting Numbers: [11, 30] Generated Node #0,1,1: 33:[11, 30] Operation: 46-16=30 Moving to Node #0,1,1 Current State: 33:[11, 30], Operations: ['77-61=16', '46-16=30'] Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,33 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[16, 35], Operations: ['77-61=16', '46-11=35'] Exploring Operation: 16+35=51, Resulting Numbers: [51] 51,33 unequal: No Solution Exploring Operation: 35-16=19, Resulting Numbers: [19] 19,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[11, 61, 31], Operations: ['77-46=31'] Exploring Operation: 61-31=30, Resulting Numbers: [11, 30] Generated Node #0,0,0: 33:[11, 30] Operation: 61-31=30 Exploring Operation: 61-11=50, Resulting Numbers: [31, 50] Generated Node #0,0,1: 33:[31, 50] Operation: 61-11=50 Moving to Node #0,0,0 Current State: 33:[11, 30], Operations: ['77-46=31', '61-31=30'] Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,33 unequal: No Solution Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[31, 50], Operations: ['77-46=31', '61-11=50'] Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,33 unequal: No Solution Exploring Operation: 31+50=81, Resulting Numbers: [81] 81,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 75, 26, 90, 51 ]
62
[ "75+26=101", "90-51=39", "101-39=62" ]
Current State: 62:[75, 26, 90, 51], Operations: [] Exploring Operation: 75+26=101, Resulting Numbers: [90, 51, 101] Generated Node #2: [90, 51, 101] from Operation: 75+26=101 Current State: 62:[90, 51, 101], Operations: ['75+26=101'] Exploring Operation: 90-51=39, Resulting Numbers: [101, 39] Generated Node #3: [101, 39] from Operation: 90-51=39 Current State: 62:[101, 39], Operations: ['75+26=101', '90-51=39'] Exploring Operation: 101-39=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[75, 26, 90, 51], Operations: [] Exploring Operation: 90-26=64, Resulting Numbers: [75, 51, 64] Generated Node #0,0: 62:[75, 51, 64] Operation: 90-26=64 Moving to Node #0,0 Current State: 62:[75, 51, 64], Operations: ['90-26=64'] Exploring Operation: 75-51=24, Resulting Numbers: [64, 24] Generated Node #0,0,0: 62:[64, 24] Operation: 75-51=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[64, 24], Operations: ['90-26=64', '75-51=24'] Exploring Operation: 64-24=40, Resulting Numbers: [40] 40,62 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
[ 6, 23, 16, 25 ]
25
[ "23-6=17", "17-16=1", "25*1=25" ]
Current State: 25:[6, 23, 16, 25], Operations: [] Exploring Operation: 23-6=17, Resulting Numbers: [16, 25, 17] Generated Node #2: [16, 25, 17] from Operation: 23-6=17 Current State: 25:[16, 25, 17], Operations: ['23-6=17'] Exploring Operation: 17-16=1, Resulting Numbers: [25, 1] Generated Node #3: [25, 1] from Operation: 17-16=1 Current State: 25:[25, 1], Operations: ['23-6=17', '17-16=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[6, 23, 16, 25], Operations: [] Exploring Operation: 25-16=9, Resulting Numbers: [6, 23, 9] Generated Node #0,0: 25:[6, 23, 9] Operation: 25-16=9 Exploring Operation: 23-16=7, Resulting Numbers: [6, 25, 7] Generated Node #0,1: 25:[6, 25, 7] Operation: 23-16=7 Exploring Operation: 6+16=22, Resulting Numbers: [23, 25, 22] Generated Node #0,2: 25:[23, 25, 22] Operation: 6+16=22 Exploring Operation: 16-6=10, Resulting Numbers: [23, 25, 10] Generated Node #0,3: 25:[23, 25, 10] Operation: 16-6=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[6, 25, 7], Operations: ['23-16=7'] Exploring Operation: 25-6=19, Resulting Numbers: [7, 19] Generated Node #0,1,0: 25:[7, 19] Operation: 25-6=19 Exploring Operation: 6+25=31, Resulting Numbers: [7, 31] Generated Node #0,1,1: 25:[7, 31] Operation: 6+25=31 Exploring Operation: 6+7=13, Resulting Numbers: [25, 13] Generated Node #0,1,2: 25:[25, 13] Operation: 6+7=13 Exploring Operation: 7-6=1, Resulting Numbers: [25, 1] Generated Node #0,1,3: 25:[25, 1] Operation: 7-6=1 Moving to Node #0,1,3 Current State: 25:[25, 1], Operations: ['23-16=7', '7-6=1'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,25 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[6, 23, 16, 25], Operations: [] Exploring Operation: 23-16=7, Resulting Numbers: [6, 25, 7] Generated Node #0,1: 25:[6, 25, 7] Operation: 23-16=7 Moving to Node #0,1 Current State: 25:[6, 25, 7], Operations: ['23-16=7'] Exploring Operation: 7-6=1, Resulting Numbers: [25, 1] Generated Node #0,1,3: 25:[25, 1] Operation: 7-6=1 Moving to Node #0,1,3 Current State: 25:[25, 1], Operations: ['23-16=7', '7-6=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 63, 26, 21, 61 ]
45
[ "63-26=37", "21+61=82", "82-37=45" ]
Current State: 45:[63, 26, 21, 61], Operations: [] Exploring Operation: 63-26=37, Resulting Numbers: [21, 61, 37] Generated Node #2: [21, 61, 37] from Operation: 63-26=37 Current State: 45:[21, 61, 37], Operations: ['63-26=37'] Exploring Operation: 21+61=82, Resulting Numbers: [37, 82] Generated Node #3: [37, 82] from Operation: 21+61=82 Current State: 45:[37, 82], Operations: ['63-26=37', '21+61=82'] Exploring Operation: 82-37=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[63, 26, 21, 61], Operations: [] Exploring Operation: 63/21=3, Resulting Numbers: [26, 61, 3] Generated Node #0,0: 45:[26, 61, 3] Operation: 63/21=3 Exploring Operation: 63-61=2, Resulting Numbers: [26, 21, 2] Generated Node #0,1: 45:[26, 21, 2] Operation: 63-61=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 45:[26, 21, 2], Operations: ['63-61=2'] Exploring Operation: 26+21=47, Resulting Numbers: [2, 47] Generated Node #0,1,0: 45:[2, 47] Operation: 26+21=47 Exploring Operation: 26-21=5, Resulting Numbers: [2, 5] Generated Node #0,1,1: 45:[2, 5] Operation: 26-21=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[2, 5], Operations: ['63-61=2', '26-21=5'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,45 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,45 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 #0,1,0 Current State: 45:[2, 47], Operations: ['63-61=2', '26+21=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[63, 26, 21, 61], Operations: [] Exploring Operation: 63-61=2, Resulting Numbers: [26, 21, 2] Generated Node #0,1: 45:[26, 21, 2] Operation: 63-61=2 Moving to Node #0,1 Current State: 45:[26, 21, 2], Operations: ['63-61=2'] Exploring Operation: 26+21=47, Resulting Numbers: [2, 47] Generated Node #0,1,0: 45:[2, 47] Operation: 26+21=47 Moving to Node #0,1,0 Current State: 45:[2, 47], Operations: ['63-61=2', '26+21=47'] Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 23, 69, 11, 69 ]
61
[ "69/23=3", "69-11=58", "3+58=61" ]
Current State: 61:[23, 69, 11, 69], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [11, 3] Generated Node #2: [11, 3] from Operation: 69/23=3 Current State: 61:[11, 3], Operations: ['69/23=3'] Exploring Operation: 69-11=58, Resulting Numbers: [3, 58] Generated Node #3: [3, 58] from Operation: 69-11=58 Current State: 61:[3, 58], Operations: ['69/23=3', '69-11=58'] Exploring Operation: 3+58=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[23, 69, 11, 69], Operations: [] Exploring Operation: 23+11=34, Resulting Numbers: [69, 69, 34] Generated Node #0,0: 61:[69, 69, 34] Operation: 23+11=34 Exploring Operation: 69-11=58, Resulting Numbers: [23, 69, 58] Generated Node #0,1: 61:[23, 69, 58] Operation: 69-11=58 Exploring Operation: 23-11=12, Resulting Numbers: [69, 69, 12] Generated Node #0,2: 61:[69, 69, 12] Operation: 23-11=12 Exploring Operation: 69+11=80, Resulting Numbers: [23, 69, 80] Generated Node #0,3: 61:[23, 69, 80] Operation: 69+11=80 Exploring Operation: 69-11=58, Resulting Numbers: [23, 69, 58] Generated Node #0,4: 61:[23, 69, 58] Operation: 69-11=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[69, 69, 34], Operations: ['23+11=34'] Exploring Operation: 69-34=35, Resulting Numbers: [69, 35] Generated Node #0,0,0: 61:[69, 35] Operation: 69-34=35 Exploring Operation: 69+34=103, Resulting Numbers: [69, 103] Generated Node #0,0,1: 61:[69, 103] Operation: 69+34=103 Exploring Operation: 69-34=35, Resulting Numbers: [69, 35] Generated Node #0,0,2: 61:[69, 35] Operation: 69-34=35 Exploring Operation: 69+34=103, Resulting Numbers: [69, 103] Generated Node #0,0,3: 61:[69, 103] Operation: 69+34=103 Exploring Operation: 69/69=1, Resulting Numbers: [34, 1] Generated Node #0,0,4: 61:[34, 1] Operation: 69/69=1 Moving to Node #0,0,0 Current State: 61:[69, 35], Operations: ['23+11=34', '69-34=35'] Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 69*35=2415, Resulting Numbers: [2415] 2415,61 unequal: No Solution Exploring Operation: 69+35=104, Resulting Numbers: [104] 104,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[69, 35], Operations: ['23+11=34', '69-34=35'] Exploring Operation: 69+35=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 69*35=2415, Resulting Numbers: [2415] 2415,61 unequal: No Solution Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[69, 103], Operations: ['23+11=34', '69+34=103'] Exploring Operation: 103-69=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 69+103=172, Resulting Numbers: [172] 172,61 unequal: No Solution Exploring Operation: 69*103=7107, Resulting Numbers: [7107] 7107,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[69, 103], Operations: ['23+11=34', '69+34=103'] Exploring Operation: 103-69=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 69*103=7107, Resulting Numbers: [7107] 7107,61 unequal: No Solution Exploring Operation: 69+103=172, Resulting Numbers: [172] 172,61 unequal: No Solution Moving to Node #0,0,4 Current State: 61:[34, 1], Operations: ['23+11=34', '69/69=1'] Exploring Operation: 34*1=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 34+1=35, Resulting Numbers: [35] 35,61 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,61 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,61 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 Current State: 61:[23, 69, 58], Operations: ['69-11=58'] Exploring Operation: 23+58=81, Resulting Numbers: [69, 81] Generated Node #0,1,0: 61:[69, 81] Operation: 23+58=81 Exploring Operation: 69/23=3, Resulting Numbers: [58, 3] Generated Node #0,1,1: 61:[58, 3] Operation: 69/23=3 Exploring Operation: 58-23=35, Resulting Numbers: [69, 35] Generated Node #0,1,2: 61:[69, 35] Operation: 58-23=35 Exploring Operation: 69-23=46, Resulting Numbers: [58, 46] Generated Node #0,1,3: 61:[58, 46] Operation: 69-23=46 Exploring Operation: 23+69=92, Resulting Numbers: [58, 92] Generated Node #0,1,4: 61:[58, 92] Operation: 23+69=92 Moving to Node #0,1,3 Current State: 61:[58, 46], Operations: ['69-11=58', '69-23=46'] Exploring Operation: 58*46=2668, Resulting Numbers: [2668] 2668,61 unequal: No Solution Exploring Operation: 58+46=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 58-46=12, Resulting Numbers: [12] 12,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[69, 81], Operations: ['69-11=58', '23+58=81'] Exploring Operation: 69*81=5589, Resulting Numbers: [5589] 5589,61 unequal: No Solution Exploring Operation: 69+81=150, Resulting Numbers: [150] 150,61 unequal: No Solution Exploring Operation: 81-69=12, Resulting Numbers: [12] 12,61 unequal: No Solution Moving to Node #0,1,2 Current State: 61:[69, 35], Operations: ['69-11=58', '58-23=35'] Exploring Operation: 69*35=2415, Resulting Numbers: [2415] 2415,61 unequal: No Solution Exploring Operation: 69+35=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,61 unequal: No Solution Moving to Node #0,1,4 Current State: 61:[58, 92], Operations: ['69-11=58', '23+69=92'] Exploring Operation: 58*92=5336, Resulting Numbers: [5336] 5336,61 unequal: No Solution Exploring Operation: 92-58=34, Resulting Numbers: [34] 34,61 unequal: No Solution Exploring Operation: 58+92=150, Resulting Numbers: [150] 150,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[58, 3], Operations: ['69-11=58', '69/23=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[23, 69, 11, 69], Operations: [] Exploring Operation: 69-11=58, Resulting Numbers: [23, 69, 58] Generated Node #0,1: 61:[23, 69, 58] Operation: 69-11=58 Moving to Node #0,1 Current State: 61:[23, 69, 58], Operations: ['69-11=58'] Exploring Operation: 69/23=3, Resulting Numbers: [58, 3] Generated Node #0,1,1: 61:[58, 3] Operation: 69/23=3 Moving to Node #0,1,1 Current State: 61:[58, 3], Operations: ['69-11=58', '69/23=3'] Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.958333
hs_5
sum_heuristic
[ 32, 91, 26, 91 ]
32
[ "91-91=0", "26*0=0", "32+0=32" ]
Current State: 32:[32, 91, 26, 91], Operations: [] Exploring Operation: 91-91=0, Resulting Numbers: [32, 26, 0] Generated Node #2: [32, 26, 0] from Operation: 91-91=0 Current State: 32:[32, 26, 0], Operations: ['91-91=0'] Exploring Operation: 26*0=0, Resulting Numbers: [32, 0] Generated Node #3: [32, 0] from Operation: 26*0=0 Current State: 32:[32, 0], Operations: ['91-91=0', '26*0=0'] Exploring Operation: 32+0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[32, 91, 26, 91], Operations: [] Exploring Operation: 91-26=65, Resulting Numbers: [32, 91, 65] Generated Node #0,0: 32:[32, 91, 65] Operation: 91-26=65 Exploring Operation: 91-32=59, Resulting Numbers: [91, 26, 59] Generated Node #0,1: 32:[91, 26, 59] Operation: 91-32=59 Exploring Operation: 91-91=0, Resulting Numbers: [32, 26, 0] Generated Node #0,2: 32:[32, 26, 0] Operation: 91-91=0 Exploring Operation: 91/91=1, Resulting Numbers: [32, 26, 1] Generated Node #0,3: 32:[32, 26, 1] Operation: 91/91=1 Exploring Operation: 91-32=59, Resulting Numbers: [26, 91, 59] Generated Node #0,4: 32:[26, 91, 59] Operation: 91-32=59 Start Sub Search at level 1: Moving to Node #0,3 Current State: 32:[32, 26, 1], Operations: ['91/91=1'] Exploring Operation: 32*1=32, Resulting Numbers: [26, 32] Generated Node #0,3,0: 32:[26, 32] Operation: 32*1=32 Exploring Operation: 32-26=6, Resulting Numbers: [1, 6] Generated Node #0,3,1: 32:[1, 6] Operation: 32-26=6 Exploring Operation: 26+1=27, Resulting Numbers: [32, 27] Generated Node #0,3,2: 32:[32, 27] Operation: 26+1=27 Exploring Operation: 26*1=26, Resulting Numbers: [32, 26] Generated Node #0,3,3: 32:[32, 26] Operation: 26*1=26 Exploring Operation: 32/1=32, Resulting Numbers: [26, 32] Generated Node #0,3,4: 32:[26, 32] Operation: 32/1=32 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 32:[1, 6], Operations: ['91/91=1', '32-26=6'] Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,32 unequal: No Solution No 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: 32:[32, 27], Operations: ['91/91=1', '26+1=27'] Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 32+27=59, Resulting Numbers: [59] 59,32 unequal: No Solution Exploring Operation: 32*27=864, Resulting Numbers: [864] 864,32 unequal: No Solution No 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: 32:[26, 32], Operations: ['91/91=1', '32*1=32'] Exploring Operation: 26*32=832, Resulting Numbers: [832] 832,32 unequal: No Solution Exploring Operation: 26+32=58, Resulting Numbers: [58] 58,32 unequal: No Solution Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,32 unequal: No Solution No 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: 32:[32, 26], Operations: ['91/91=1', '26*1=26'] Exploring Operation: 32+26=58, Resulting Numbers: [58] 58,32 unequal: No Solution Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 32*26=832, Resulting Numbers: [832] 832,32 unequal: No Solution No 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: 32:[26, 32], Operations: ['91/91=1', '32/1=32'] Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 26+32=58, Resulting Numbers: [58] 58,32 unequal: No Solution Exploring Operation: 26*32=832, Resulting Numbers: [832] 832,32 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: 32:[32, 26, 0], Operations: ['91-91=0'] Exploring Operation: 26*0=0, Resulting Numbers: [32, 0] Generated Node #0,2,0: 32:[32, 0] Operation: 26*0=0 Exploring Operation: 32-26=6, Resulting Numbers: [0, 6] Generated Node #0,2,1: 32:[0, 6] Operation: 32-26=6 Exploring Operation: 32-0=32, Resulting Numbers: [26, 32] Generated Node #0,2,2: 32:[26, 32] Operation: 32-0=32 Exploring Operation: 32+0=32, Resulting Numbers: [26, 32] Generated Node #0,2,3: 32:[26, 32] Operation: 32+0=32 Exploring Operation: 26+0=26, Resulting Numbers: [32, 26] Generated Node #0,2,4: 32:[32, 26] Operation: 26+0=26 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 32:[32, 0], Operations: ['91-91=0', '26*0=0'] Exploring Operation: 32*0=0, Resulting Numbers: [0] 0,32 unequal: No Solution Exploring Operation: 32+0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[32, 91, 26, 91], Operations: [] Exploring Operation: 91-91=0, Resulting Numbers: [32, 26, 0] Generated Node #0,2: 32:[32, 26, 0] Operation: 91-91=0 Moving to Node #0,2 Current State: 32:[32, 26, 0], Operations: ['91-91=0'] Exploring Operation: 26*0=0, Resulting Numbers: [32, 0] Generated Node #0,2,0: 32:[32, 0] Operation: 26*0=0 Moving to Node #0,2,0 Current State: 32:[32, 0], Operations: ['91-91=0', '26*0=0'] Exploring Operation: 32+0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_5
mult_heuristic
[ 70, 64, 30, 51 ]
56
[ "70-64=6", "30/6=5", "51+5=56" ]
Current State: 56:[70, 64, 30, 51], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [30, 51, 6] Generated Node #2: [30, 51, 6] from Operation: 70-64=6 Current State: 56:[30, 51, 6], Operations: ['70-64=6'] Exploring Operation: 30/6=5, Resulting Numbers: [51, 5] Generated Node #3: [51, 5] from Operation: 30/6=5 Current State: 56:[51, 5], Operations: ['70-64=6', '30/6=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[70, 64, 30, 51], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [30, 51, 6] Generated Node #0,0: 56:[30, 51, 6] Operation: 70-64=6 Exploring Operation: 64-51=13, Resulting Numbers: [70, 30, 13] Generated Node #0,1: 56:[70, 30, 13] Operation: 64-51=13 Exploring Operation: 70-51=19, Resulting Numbers: [64, 30, 19] Generated Node #0,2: 56:[64, 30, 19] Operation: 70-51=19 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[30, 51, 6], Operations: ['70-64=6'] Exploring Operation: 51+6=57, Resulting Numbers: [30, 57] Generated Node #0,0,0: 56:[30, 57] Operation: 51+6=57 Exploring Operation: 30/6=5, Resulting Numbers: [51, 5] Generated Node #0,0,1: 56:[51, 5] Operation: 30/6=5 Exploring Operation: 51-30=21, Resulting Numbers: [6, 21] Generated Node #0,0,2: 56:[6, 21] Operation: 51-30=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 56:[30, 57], Operations: ['70-64=6', '51+6=57'] Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,56 unequal: No Solution Exploring Operation: 30+57=87, Resulting Numbers: [87] 87,56 unequal: No Solution Exploring Operation: 30*57=1710, Resulting Numbers: [1710] 1710,56 unequal: No Solution No 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: 56:[51, 5], Operations: ['70-64=6', '30/6=5'] Exploring Operation: 51*5=255, Resulting Numbers: [255] 255,56 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[70, 64, 30, 51], Operations: [] Exploring Operation: 70-64=6, Resulting Numbers: [30, 51, 6] Generated Node #0,0: 56:[30, 51, 6] Operation: 70-64=6 Moving to Node #0,0 Current State: 56:[30, 51, 6], Operations: ['70-64=6'] Exploring Operation: 30/6=5, Resulting Numbers: [51, 5] Generated Node #0,0,1: 56:[51, 5] Operation: 30/6=5 Moving to Node #0,0,1 Current State: 56:[51, 5], Operations: ['70-64=6', '30/6=5'] Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 40, 66, 34, 80 ]
60
[ "40+66=106", "80-34=46", "106-46=60" ]
Current State: 60:[40, 66, 34, 80], Operations: [] Exploring Operation: 40+66=106, Resulting Numbers: [34, 80, 106] Generated Node #2: [34, 80, 106] from Operation: 40+66=106 Current State: 60:[34, 80, 106], Operations: ['40+66=106'] Exploring Operation: 80-34=46, Resulting Numbers: [106, 46] Generated Node #3: [106, 46] from Operation: 80-34=46 Current State: 60:[106, 46], Operations: ['40+66=106', '80-34=46'] Exploring Operation: 106-46=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[40, 66, 34, 80], Operations: [] Exploring Operation: 80-66=14, Resulting Numbers: [40, 34, 14] Generated Node #0,0: 60:[40, 34, 14] Operation: 80-66=14 Exploring Operation: 80-40=40, Resulting Numbers: [66, 34, 40] Generated Node #0,1: 60:[66, 34, 40] Operation: 80-40=40 Exploring Operation: 80/40=2, Resulting Numbers: [66, 34, 2] Generated Node #0,2: 60:[66, 34, 2] Operation: 80/40=2 Exploring Operation: 66-40=26, Resulting Numbers: [34, 80, 26] Generated Node #0,3: 60:[34, 80, 26] Operation: 66-40=26 Exploring Operation: 40-34=6, Resulting Numbers: [66, 80, 6] Generated Node #0,4: 60:[66, 80, 6] Operation: 40-34=6 Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[66, 34, 2], Operations: ['80/40=2'] Exploring Operation: 34-2=32, Resulting Numbers: [66, 32] Generated Node #0,2,0: 60:[66, 32] Operation: 34-2=32 Exploring Operation: 66-2=64, Resulting Numbers: [34, 64] Generated Node #0,2,1: 60:[34, 64] Operation: 66-2=64 Exploring Operation: 66-34=32, Resulting Numbers: [2, 32] Generated Node #0,2,2: 60:[2, 32] Operation: 66-34=32 Exploring Operation: 66/2=33, Resulting Numbers: [34, 33] Generated Node #0,2,3: 60:[34, 33] Operation: 66/2=33 Exploring Operation: 34/2=17, Resulting Numbers: [66, 17] Generated Node #0,2,4: 60:[66, 17] Operation: 34/2=17 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 60:[2, 32], Operations: ['80/40=2', '66-34=32'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,60 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 60:[34, 33], Operations: ['80/40=2', '66/2=33'] Exploring Operation: 34+33=67, Resulting Numbers: [67] 67,60 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 34*33=1122, Resulting Numbers: [1122] 1122,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 60:[66, 32], Operations: ['80/40=2', '34-2=32'] Exploring Operation: 66+32=98, Resulting Numbers: [98] 98,60 unequal: No Solution Exploring Operation: 66*32=2112, Resulting Numbers: [2112] 2112,60 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 60:[34, 64], Operations: ['80/40=2', '66-2=64'] Exploring Operation: 64-34=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 34*64=2176, Resulting Numbers: [2176] 2176,60 unequal: No Solution Exploring Operation: 34+64=98, Resulting Numbers: [98] 98,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 60:[66, 17], Operations: ['80/40=2', '34/2=17'] Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,60 unequal: No Solution Exploring Operation: 66-17=49, Resulting Numbers: [49] 49,60 unequal: No Solution Exploring Operation: 66*17=1122, Resulting Numbers: [1122] 1122,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[40, 34, 14], Operations: ['80-66=14'] Exploring Operation: 40-34=6, Resulting Numbers: [14, 6] Generated Node #0,0,0: 60:[14, 6] Operation: 40-34=6 Exploring Operation: 40+14=54, Resulting Numbers: [34, 54] Generated Node #0,0,1: 60:[34, 54] Operation: 40+14=54 Exploring Operation: 40+34=74, Resulting Numbers: [14, 74] Generated Node #0,0,2: 60:[14, 74] Operation: 40+34=74 Exploring Operation: 40-14=26, Resulting Numbers: [34, 26] Generated Node #0,0,3: 60:[34, 26] Operation: 40-14=26 Exploring Operation: 34-14=20, Resulting Numbers: [40, 20] Generated Node #0,0,4: 60:[40, 20] Operation: 34-14=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[14, 6], Operations: ['80-66=14', '40-34=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,60 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,60 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 60:[34, 26], Operations: ['80-66=14', '40-14=26'] Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,60 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[40, 66, 34, 80], Operations: [] Exploring Operation: 80-66=14, Resulting Numbers: [40, 34, 14] Generated Node #0,0: 60:[40, 34, 14] Operation: 80-66=14 Moving to Node #0,0 Current State: 60:[40, 34, 14], Operations: ['80-66=14'] Exploring Operation: 40-14=26, Resulting Numbers: [34, 26] Generated Node #0,0,3: 60:[34, 26] Operation: 40-14=26 Moving to Node #0,0,3 Current State: 60:[34, 26], Operations: ['80-66=14', '40-14=26'] Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.965278
hs_5
sum_heuristic
[ 25, 99, 84, 46 ]
86
[ "25+99=124", "84-46=38", "124-38=86" ]
Current State: 86:[25, 99, 84, 46], Operations: [] Exploring Operation: 25+99=124, Resulting Numbers: [84, 46, 124] Generated Node #2: [84, 46, 124] from Operation: 25+99=124 Current State: 86:[84, 46, 124], Operations: ['25+99=124'] Exploring Operation: 84-46=38, Resulting Numbers: [124, 38] Generated Node #3: [124, 38] from Operation: 84-46=38 Current State: 86:[124, 38], Operations: ['25+99=124', '84-46=38'] Exploring Operation: 124-38=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[25, 99, 84, 46], Operations: [] Exploring Operation: 99-46=53, Resulting Numbers: [25, 84, 53] Generated Node #0,0: 86:[25, 84, 53] Operation: 99-46=53 Exploring Operation: 99-25=74, Resulting Numbers: [84, 46, 74] Generated Node #0,1: 86:[84, 46, 74] Operation: 99-25=74 Exploring Operation: 25+46=71, Resulting Numbers: [99, 84, 71] Generated Node #0,2: 86:[99, 84, 71] Operation: 25+46=71 Moving to Node #0,1 Current State: 86:[84, 46, 74], Operations: ['99-25=74'] Exploring Operation: 84-46=38, Resulting Numbers: [74, 38] Generated Node #0,1,0: 86:[74, 38] Operation: 84-46=38 Exploring Operation: 74-46=28, Resulting Numbers: [84, 28] Generated Node #0,1,1: 86:[84, 28] Operation: 74-46=28 Exploring Operation: 84-74=10, Resulting Numbers: [46, 10] Generated Node #0,1,2: 86:[46, 10] Operation: 84-74=10 Moving to Node #0,0 Current State: 86:[25, 84, 53], Operations: ['99-46=53'] Exploring Operation: 53-25=28, Resulting Numbers: [84, 28] Generated Node #0,0,0: 86:[84, 28] Operation: 53-25=28 Exploring Operation: 25+53=78, Resulting Numbers: [84, 78] Generated Node #0,0,1: 86:[84, 78] Operation: 25+53=78 Exploring Operation: 84-25=59, Resulting Numbers: [53, 59] Generated Node #0,0,2: 86:[53, 59] Operation: 84-25=59 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[84, 78], Operations: ['99-46=53', '25+53=78'] Exploring Operation: 84*78=6552, Resulting Numbers: [6552] 6552,86 unequal: No Solution Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 84+78=162, Resulting Numbers: [162] 162,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[84, 28], Operations: ['99-46=53', '53-25=28'] Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,86 unequal: No Solution Exploring Operation: 84+28=112, Resulting Numbers: [112] 112,86 unequal: No Solution Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[53, 59], Operations: ['99-46=53', '84-25=59'] Exploring Operation: 53+59=112, Resulting Numbers: [112] 112,86 unequal: No Solution Exploring Operation: 59-53=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 53*59=3127, Resulting Numbers: [3127] 3127,86 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: 86:[99, 84, 71], Operations: ['25+46=71'] Exploring Operation: 99-71=28, Resulting Numbers: [84, 28] Generated Node #0,2,0: 86:[84, 28] Operation: 99-71=28 Exploring Operation: 99-84=15, Resulting Numbers: [71, 15] Generated Node #0,2,1: 86:[71, 15] Operation: 99-84=15 Exploring Operation: 84-71=13, Resulting Numbers: [99, 13] Generated Node #0,2,2: 86:[99, 13] Operation: 84-71=13 Moving to Node #0,1,2 Current State: 86:[46, 10], Operations: ['99-25=74', '84-74=10'] Exploring Operation: 46-10=36, Resulting Numbers: [36] 36,86 unequal: No Solution Exploring Operation: 46+10=56, Resulting Numbers: [56] 56,86 unequal: No Solution Exploring Operation: 46*10=460, Resulting Numbers: [460] 460,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[84, 28], Operations: ['99-25=74', '74-46=28'] Exploring Operation: 84+28=112, Resulting Numbers: [112] 112,86 unequal: No Solution Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,86 unequal: No Solution Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[74, 38], Operations: ['99-25=74', '84-46=38'] Exploring Operation: 74+38=112, Resulting Numbers: [112] 112,86 unequal: No Solution Exploring Operation: 74*38=2812, Resulting Numbers: [2812] 2812,86 unequal: No Solution Exploring Operation: 74-38=36, Resulting Numbers: [36] 36,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[84, 28], Operations: ['25+46=71', '99-71=28'] Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,86 unequal: No Solution Exploring Operation: 84+28=112, Resulting Numbers: [112] 112,86 unequal: No Solution Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[99, 13], Operations: ['25+46=71', '84-71=13'] Exploring Operation: 99-13=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[25, 99, 84, 46], Operations: [] Exploring Operation: 25+46=71, Resulting Numbers: [99, 84, 71] Generated Node #0,2: 86:[99, 84, 71] Operation: 25+46=71 Moving to Node #0,2 Current State: 86:[99, 84, 71], Operations: ['25+46=71'] Exploring Operation: 84-71=13, Resulting Numbers: [99, 13] Generated Node #0,2,2: 86:[99, 13] Operation: 84-71=13 Moving to Node #0,2,2 Current State: 86:[99, 13], Operations: ['25+46=71', '84-71=13'] Exploring Operation: 99-13=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
0.967014
hs_3
mult_heuristic
[ 92, 61, 5, 56 ]
91
[ "61-5=56", "56/56=1", "92-1=91" ]
Current State: 91:[92, 61, 5, 56], Operations: [] Exploring Operation: 61-5=56, Resulting Numbers: [92, 56, 56] Generated Node #2: [92, 56, 56] from Operation: 61-5=56 Current State: 91:[92, 56, 56], Operations: ['61-5=56'] Exploring Operation: 56/56=1, Resulting Numbers: [92, 1] Generated Node #3: [92, 1] from Operation: 56/56=1 Current State: 91:[92, 1], Operations: ['61-5=56', '56/56=1'] Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[92, 61, 5, 56], Operations: [] Exploring Operation: 92-61=31, Resulting Numbers: [5, 56, 31] Generated Node #0,0: 91:[5, 56, 31] Operation: 92-61=31 Exploring Operation: 61+56=117, Resulting Numbers: [92, 5, 117] Generated Node #0,1: 91:[92, 5, 117] Operation: 61+56=117 Exploring Operation: 92-56=36, Resulting Numbers: [61, 5, 36] Generated Node #0,2: 91:[61, 5, 36] Operation: 92-56=36 Exploring Operation: 61-56=5, Resulting Numbers: [92, 5, 5] Generated Node #0,3: 91:[92, 5, 5] Operation: 61-56=5 Moving to Node #0,3 Current State: 91:[92, 5, 5], Operations: ['61-56=5'] Exploring Operation: 92-5=87, Resulting Numbers: [5, 87] Generated Node #0,3,0: 91:[5, 87] Operation: 92-5=87 Exploring Operation: 5/5=1, Resulting Numbers: [92, 1] Generated Node #0,3,1: 91:[92, 1] Operation: 5/5=1 Exploring Operation: 92-5=87, Resulting Numbers: [5, 87] Generated Node #0,3,2: 91:[5, 87] Operation: 92-5=87 Exploring Operation: 5+5=10, Resulting Numbers: [92, 10] Generated Node #0,3,3: 91:[92, 10] Operation: 5+5=10 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 91:[92, 10], Operations: ['61-56=5', '5+5=10'] Exploring Operation: 92-10=82, Resulting Numbers: [82] 82,91 unequal: No Solution Exploring Operation: 92+10=102, Resulting Numbers: [102] 102,91 unequal: No Solution Exploring Operation: 92*10=920, Resulting Numbers: [920] 920,91 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 #0,3,0 Current State: 91:[5, 87], Operations: ['61-56=5', '92-5=87'] Exploring Operation: 5*87=435, Resulting Numbers: [435] 435,91 unequal: No Solution Exploring Operation: 87-5=82, Resulting Numbers: [82] 82,91 unequal: No Solution Exploring Operation: 5+87=92, Resulting Numbers: [92] 92,91 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 #0,3,2 Current State: 91:[5, 87], Operations: ['61-56=5', '92-5=87'] Exploring Operation: 5*87=435, Resulting Numbers: [435] 435,91 unequal: No Solution Exploring Operation: 87-5=82, Resulting Numbers: [82] 82,91 unequal: No Solution Exploring Operation: 5+87=92, Resulting Numbers: [92] 92,91 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 #0,3,1 Current State: 91:[92, 1], Operations: ['61-56=5', '5/5=1'] Exploring Operation: 92+1=93, Resulting Numbers: [93] 93,91 unequal: No Solution Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,91 unequal: No Solution Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[92, 61, 5, 56], Operations: [] Exploring Operation: 61-56=5, Resulting Numbers: [92, 5, 5] Generated Node #0,3: 91:[92, 5, 5] Operation: 61-56=5 Moving to Node #0,3 Current State: 91:[92, 5, 5], Operations: ['61-56=5'] Exploring Operation: 5/5=1, Resulting Numbers: [92, 1] Generated Node #0,3,1: 91:[92, 1] Operation: 5/5=1 Moving to Node #0,3,1 Current State: 91:[92, 1], Operations: ['61-56=5', '5/5=1'] Exploring Operation: 92-1=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 54, 12, 61, 70 ]
75
[ "54+12=66", "70-61=9", "66+9=75" ]
Current State: 75:[54, 12, 61, 70], Operations: [] Exploring Operation: 54+12=66, Resulting Numbers: [61, 70, 66] Generated Node #2: [61, 70, 66] from Operation: 54+12=66 Current State: 75:[61, 70, 66], Operations: ['54+12=66'] Exploring Operation: 70-61=9, Resulting Numbers: [66, 9] Generated Node #3: [66, 9] from Operation: 70-61=9 Current State: 75:[66, 9], Operations: ['54+12=66', '70-61=9'] Exploring Operation: 66+9=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[54, 12, 61, 70], Operations: [] Exploring Operation: 61-54=7, Resulting Numbers: [12, 70, 7] Generated Node #0,0: 75:[12, 70, 7] Operation: 61-54=7 Exploring Operation: 54+12=66, Resulting Numbers: [61, 70, 66] Generated Node #0,1: 75:[61, 70, 66] Operation: 54+12=66 Exploring Operation: 70-54=16, Resulting Numbers: [12, 61, 16] Generated Node #0,2: 75:[12, 61, 16] Operation: 70-54=16 Exploring Operation: 12+61=73, Resulting Numbers: [54, 70, 73] Generated Node #0,3: 75:[54, 70, 73] Operation: 12+61=73 Moving to Node #0,0 Current State: 75:[12, 70, 7], Operations: ['61-54=7'] Exploring Operation: 70/7=10, Resulting Numbers: [12, 10] Generated Node #0,0,0: 75:[12, 10] Operation: 70/7=10 Exploring Operation: 70+7=77, Resulting Numbers: [12, 77] Generated Node #0,0,1: 75:[12, 77] Operation: 70+7=77 Exploring Operation: 12+70=82, Resulting Numbers: [7, 82] Generated Node #0,0,2: 75:[7, 82] Operation: 12+70=82 Exploring Operation: 12-7=5, Resulting Numbers: [70, 5] Generated Node #0,0,3: 75:[70, 5] Operation: 12-7=5 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[12, 77], Operations: ['61-54=7', '70+7=77'] Exploring Operation: 12*77=924, Resulting Numbers: [924] 924,75 unequal: No Solution Exploring Operation: 12+77=89, Resulting Numbers: [89] 89,75 unequal: No Solution Exploring Operation: 77-12=65, Resulting Numbers: [65] 65,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 75:[70, 5], Operations: ['61-54=7', '12-7=5'] Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,75 unequal: No Solution Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,75 unequal: No Solution Exploring Operation: 70+5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[54, 12, 61, 70], Operations: [] Exploring Operation: 61-54=7, Resulting Numbers: [12, 70, 7] Generated Node #0,0: 75:[12, 70, 7] Operation: 61-54=7 Moving to Node #0,0 Current State: 75:[12, 70, 7], Operations: ['61-54=7'] Exploring Operation: 12-7=5, Resulting Numbers: [70, 5] Generated Node #0,0,3: 75:[70, 5] Operation: 12-7=5 Moving to Node #0,0,3 Current State: 75:[70, 5], Operations: ['61-54=7', '12-7=5'] Exploring Operation: 70+5=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 60, 13, 39, 10 ]
47
[ "60-10=50", "39/13=3", "50-3=47" ]
Current State: 47:[60, 13, 39, 10], Operations: [] Exploring Operation: 60-10=50, Resulting Numbers: [13, 39, 50] Generated Node #2: [13, 39, 50] from Operation: 60-10=50 Current State: 47:[13, 39, 50], Operations: ['60-10=50'] Exploring Operation: 39/13=3, Resulting Numbers: [50, 3] Generated Node #3: [50, 3] from Operation: 39/13=3 Current State: 47:[50, 3], Operations: ['60-10=50', '39/13=3'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[60, 13, 39, 10], Operations: [] Exploring Operation: 60-13=47, Resulting Numbers: [39, 10, 47] Generated Node #0,0: 47:[39, 10, 47] Operation: 60-13=47 Exploring Operation: 60-10=50, Resulting Numbers: [13, 39, 50] Generated Node #0,1: 47:[13, 39, 50] Operation: 60-10=50 Exploring Operation: 13+10=23, Resulting Numbers: [60, 39, 23] Generated Node #0,2: 47:[60, 39, 23] Operation: 13+10=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[39, 10, 47], Operations: ['60-13=47'] Exploring Operation: 39-10=29, Resulting Numbers: [47, 29] Generated Node #0,0,0: 47:[47, 29] Operation: 39-10=29 Exploring Operation: 39+10=49, Resulting Numbers: [47, 49] Generated Node #0,0,1: 47:[47, 49] Operation: 39+10=49 Exploring Operation: 10+47=57, Resulting Numbers: [39, 57] Generated Node #0,0,2: 47:[39, 57] Operation: 10+47=57 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[47, 49], Operations: ['60-13=47', '39+10=49'] Exploring Operation: 47+49=96, Resulting Numbers: [96] 96,47 unequal: No Solution Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 47*49=2303, Resulting Numbers: [2303] 2303,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[47, 29], Operations: ['60-13=47', '39-10=29'] Exploring Operation: 47+29=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 47*29=1363, Resulting Numbers: [1363] 1363,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 47:[39, 57], Operations: ['60-13=47', '10+47=57'] Exploring Operation: 57-39=18, Resulting Numbers: [18] 18,47 unequal: No Solution Exploring Operation: 39*57=2223, Resulting Numbers: [2223] 2223,47 unequal: No Solution Exploring Operation: 39+57=96, Resulting Numbers: [96] 96,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[13, 39, 50], Operations: ['60-10=50'] Exploring Operation: 39-13=26, Resulting Numbers: [50, 26] Generated Node #0,1,0: 47:[50, 26] Operation: 39-13=26 Exploring Operation: 13+39=52, Resulting Numbers: [50, 52] Generated Node #0,1,1: 47:[50, 52] Operation: 13+39=52 Exploring Operation: 50-13=37, Resulting Numbers: [39, 37] Generated Node #0,1,2: 47:[39, 37] Operation: 50-13=37 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 47:[50, 52], Operations: ['60-10=50', '13+39=52'] Exploring Operation: 50*52=2600, Resulting Numbers: [2600] 2600,47 unequal: No Solution Exploring Operation: 50+52=102, Resulting Numbers: [102] 102,47 unequal: No Solution Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 47:[39, 37], Operations: ['60-10=50', '50-13=37'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 39*37=1443, Resulting Numbers: [1443] 1443,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 47:[50, 26], Operations: ['60-10=50', '39-13=26'] Exploring Operation: 50+26=76, Resulting Numbers: [76] 76,47 unequal: No Solution Exploring Operation: 50-26=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 50*26=1300, Resulting Numbers: [1300] 1300,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 47:[60, 39, 23], Operations: ['13+10=23'] Exploring Operation: 60+23=83, Resulting Numbers: [39, 83] Generated Node #0,2,0: 47:[39, 83] Operation: 60+23=83 Exploring Operation: 39+23=62, Resulting Numbers: [60, 62] Generated Node #0,2,1: 47:[60, 62] Operation: 39+23=62 Exploring Operation: 60-23=37, Resulting Numbers: [39, 37] Generated Node #0,2,2: 47:[39, 37] Operation: 60-23=37 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 47:[39, 37], Operations: ['13+10=23', '60-23=37'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 39*37=1443, Resulting Numbers: [1443] 1443,47 unequal: No Solution Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 47:[60, 62], Operations: ['13+10=23', '39+23=62'] Exploring Operation: 60+62=122, Resulting Numbers: [122] 122,47 unequal: No Solution Exploring Operation: 60*62=3720, Resulting Numbers: [3720] 3720,47 unequal: No Solution Exploring Operation: 62-60=2, Resulting Numbers: [2] 2,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 47:[39, 83], Operations: ['13+10=23', '60+23=83'] Exploring Operation: 39*83=3237, Resulting Numbers: [3237] 3237,47 unequal: No Solution Exploring Operation: 83-39=44, Resulting Numbers: [44] 44,47 unequal: No Solution Exploring Operation: 39+83=122, Resulting Numbers: [122] 122,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 50, 12, 17, 61 ]
40
[ "50-12=38", "17+61=78", "78-38=40" ]
Current State: 40:[50, 12, 17, 61], Operations: [] Exploring Operation: 50-12=38, Resulting Numbers: [17, 61, 38] Generated Node #2: [17, 61, 38] from Operation: 50-12=38 Current State: 40:[17, 61, 38], Operations: ['50-12=38'] Exploring Operation: 17+61=78, Resulting Numbers: [38, 78] Generated Node #3: [38, 78] from Operation: 17+61=78 Current State: 40:[38, 78], Operations: ['50-12=38', '17+61=78'] Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[50, 12, 17, 61], Operations: [] Exploring Operation: 61-50=11, Resulting Numbers: [12, 17, 11] Generated Node #0,0: 40:[12, 17, 11] Operation: 61-50=11 Exploring Operation: 61-17=44, Resulting Numbers: [50, 12, 44] Generated Node #0,1: 40:[50, 12, 44] Operation: 61-17=44 Moving to Node #0,0 Current State: 40:[12, 17, 11], Operations: ['61-50=11'] Exploring Operation: 17-12=5, Resulting Numbers: [11, 5] Generated Node #0,0,0: 40:[11, 5] Operation: 17-12=5 Exploring Operation: 17-11=6, Resulting Numbers: [12, 6] Generated Node #0,0,1: 40:[12, 6] Operation: 17-11=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[11, 5], Operations: ['61-50=11', '17-12=5'] Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,40 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,40 unequal: No Solution No 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: 40:[12, 6], Operations: ['61-50=11', '17-11=6'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,40 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: 40:[50, 12, 44], Operations: ['61-17=44'] Exploring Operation: 50-12=38, Resulting Numbers: [44, 38] Generated Node #0,1,0: 40:[44, 38] Operation: 50-12=38 Exploring Operation: 50-44=6, Resulting Numbers: [12, 6] Generated Node #0,1,1: 40:[12, 6] Operation: 50-44=6 Moving to Node #0,1,1 Current State: 40:[12, 6], Operations: ['61-17=44', '50-44=6'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,40 unequal: No Solution Moving to Node #0,1,0 Current State: 40:[44, 38], Operations: ['61-17=44', '50-12=38'] Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,40 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 95, 80, 20, 84 ]
79
[ "95-80=15", "84-20=64", "15+64=79" ]
Current State: 79:[95, 80, 20, 84], Operations: [] Exploring Operation: 95-80=15, Resulting Numbers: [20, 84, 15] Generated Node #2: [20, 84, 15] from Operation: 95-80=15 Current State: 79:[20, 84, 15], Operations: ['95-80=15'] Exploring Operation: 84-20=64, Resulting Numbers: [15, 64] Generated Node #3: [15, 64] from Operation: 84-20=64 Current State: 79:[15, 64], Operations: ['95-80=15', '84-20=64'] Exploring Operation: 15+64=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[95, 80, 20, 84], Operations: [] Exploring Operation: 95-20=75, Resulting Numbers: [80, 84, 75] Generated Node #0,0: 79:[80, 84, 75] Operation: 95-20=75 Exploring Operation: 84-20=64, Resulting Numbers: [95, 80, 64] Generated Node #0,1: 79:[95, 80, 64] Operation: 84-20=64 Moving to Node #0,0 Current State: 79:[80, 84, 75], Operations: ['95-20=75'] Exploring Operation: 84-80=4, Resulting Numbers: [75, 4] Generated Node #0,0,0: 79:[75, 4] Operation: 84-80=4 Exploring Operation: 84-75=9, Resulting Numbers: [80, 9] Generated Node #0,0,1: 79:[80, 9] Operation: 84-75=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[80, 9], Operations: ['95-20=75', '84-75=9'] Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,79 unequal: No Solution Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[75, 4], Operations: ['95-20=75', '84-80=4'] Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[95, 80, 20, 84], Operations: [] Exploring Operation: 95-20=75, Resulting Numbers: [80, 84, 75] Generated Node #0,0: 79:[80, 84, 75] Operation: 95-20=75 Moving to Node #0,0 Current State: 79:[80, 84, 75], Operations: ['95-20=75'] Exploring Operation: 84-80=4, Resulting Numbers: [75, 4] Generated Node #0,0,0: 79:[75, 4] Operation: 84-80=4 Moving to Node #0,0,0 Current State: 79:[75, 4], Operations: ['95-20=75', '84-80=4'] Exploring Operation: 75+4=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 98, 79, 36, 76 ]
86
[ "79-76=3", "36/3=12", "98-12=86" ]
Current State: 86:[98, 79, 36, 76], Operations: [] Exploring Operation: 79-76=3, Resulting Numbers: [98, 36, 3] Generated Node #2: [98, 36, 3] from Operation: 79-76=3 Current State: 86:[98, 36, 3], Operations: ['79-76=3'] Exploring Operation: 36/3=12, Resulting Numbers: [98, 12] Generated Node #3: [98, 12] from Operation: 36/3=12 Current State: 86:[98, 12], Operations: ['79-76=3', '36/3=12'] Exploring Operation: 98-12=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[98, 79, 36, 76], Operations: [] Exploring Operation: 76-36=40, Resulting Numbers: [98, 79, 40] Generated Node #0,0: 86:[98, 79, 40] Operation: 76-36=40 Exploring Operation: 79-76=3, Resulting Numbers: [98, 36, 3] Generated Node #0,1: 86:[98, 36, 3] Operation: 79-76=3 Exploring Operation: 98-79=19, Resulting Numbers: [36, 76, 19] Generated Node #0,2: 86:[36, 76, 19] Operation: 98-79=19 Exploring Operation: 79-36=43, Resulting Numbers: [98, 76, 43] Generated Node #0,3: 86:[98, 76, 43] Operation: 79-36=43 Moving to Node #0,1 Current State: 86:[98, 36, 3], Operations: ['79-76=3'] Exploring Operation: 98-3=95, Resulting Numbers: [36, 95] Generated Node #0,1,0: 86:[36, 95] Operation: 98-3=95 Exploring Operation: 36+3=39, Resulting Numbers: [98, 39] Generated Node #0,1,1: 86:[98, 39] Operation: 36+3=39 Exploring Operation: 98+3=101, Resulting Numbers: [36, 101] Generated Node #0,1,2: 86:[36, 101] Operation: 98+3=101 Exploring Operation: 98-36=62, Resulting Numbers: [3, 62] Generated Node #0,1,3: 86:[3, 62] Operation: 98-36=62 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 86:[36, 95], Operations: ['79-76=3', '98-3=95'] Exploring Operation: 95-36=59, Resulting Numbers: [59] 59,86 unequal: No Solution Exploring Operation: 36*95=3420, Resulting Numbers: [3420] 3420,86 unequal: No Solution Exploring Operation: 36+95=131, Resulting Numbers: [131] 131,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 86:[98, 39], Operations: ['79-76=3', '36+3=39'] Exploring Operation: 98-39=59, Resulting Numbers: [59] 59,86 unequal: No Solution Exploring Operation: 98+39=137, Resulting Numbers: [137] 137,86 unequal: No Solution Exploring Operation: 98*39=3822, Resulting Numbers: [3822] 3822,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 86:[3, 62], Operations: ['79-76=3', '98-36=62'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,86 unequal: No Solution Exploring Operation: 3+62=65, Resulting Numbers: [65] 65,86 unequal: No Solution Exploring Operation: 3*62=186, Resulting Numbers: [186] 186,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 86:[36, 101], Operations: ['79-76=3', '98+3=101'] Exploring Operation: 101-36=65, Resulting Numbers: [65] 65,86 unequal: No Solution Exploring Operation: 36*101=3636, Resulting Numbers: [3636] 3636,86 unequal: No Solution Exploring Operation: 36+101=137, Resulting Numbers: [137] 137,86 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: 86:[98, 76, 43], Operations: ['79-36=43'] Exploring Operation: 76+43=119, Resulting Numbers: [98, 119] Generated Node #0,3,0: 86:[98, 119] Operation: 76+43=119 Exploring Operation: 98-76=22, Resulting Numbers: [43, 22] Generated Node #0,3,1: 86:[43, 22] Operation: 98-76=22 Exploring Operation: 76-43=33, Resulting Numbers: [98, 33] Generated Node #0,3,2: 86:[98, 33] Operation: 76-43=33 Exploring Operation: 98-43=55, Resulting Numbers: [76, 55] Generated Node #0,3,3: 86:[76, 55] Operation: 98-43=55 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 86:[43, 22], Operations: ['79-36=43', '98-76=22'] Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 43+22=65, Resulting Numbers: [65] 65,86 unequal: No Solution Exploring Operation: 43*22=946, Resulting Numbers: [946] 946,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 86:[98, 33], Operations: ['79-36=43', '76-43=33'] Exploring Operation: 98+33=131, Resulting Numbers: [131] 131,86 unequal: No Solution Exploring Operation: 98*33=3234, Resulting Numbers: [3234] 3234,86 unequal: No Solution Exploring Operation: 98-33=65, Resulting Numbers: [65] 65,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 86:[76, 55], Operations: ['79-36=43', '98-43=55'] Exploring Operation: 76-55=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 76*55=4180, Resulting Numbers: [4180] 4180,86 unequal: No Solution Exploring Operation: 76+55=131, Resulting Numbers: [131] 131,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 86:[98, 119], Operations: ['79-36=43', '76+43=119'] Exploring Operation: 98*119=11662, Resulting Numbers: [11662] 11662,86 unequal: No Solution Exploring Operation: 119-98=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 98+119=217, Resulting Numbers: [217] 217,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 86:[98, 79, 40], Operations: ['76-36=40'] Exploring Operation: 79+40=119, Resulting Numbers: [98, 119] Generated Node #0,0,0: 86:[98, 119] Operation: 79+40=119 Exploring Operation: 79-40=39, Resulting Numbers: [98, 39] Generated Node #0,0,1: 86:[98, 39] Operation: 79-40=39 Exploring Operation: 98-40=58, Resulting Numbers: [79, 58] Generated Node #0,0,2: 86:[79, 58] Operation: 98-40=58 Exploring Operation: 98-79=19, Resulting Numbers: [40, 19] Generated Node #0,0,3: 86:[40, 19] Operation: 98-79=19 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[98, 39], Operations: ['76-36=40', '79-40=39'] Exploring Operation: 98-39=59, Resulting Numbers: [59] 59,86 unequal: No Solution Exploring Operation: 98+39=137, Resulting Numbers: [137] 137,86 unequal: No Solution Exploring Operation: 98*39=3822, Resulting Numbers: [3822] 3822,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 86:[40, 19], Operations: ['76-36=40', '98-79=19'] Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,86 unequal: No Solution Exploring Operation: 40*19=760, Resulting Numbers: [760] 760,86 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[79, 58], Operations: ['76-36=40', '98-40=58'] Exploring Operation: 79*58=4582, Resulting Numbers: [4582] 4582,86 unequal: No Solution Exploring Operation: 79-58=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 79+58=137, Resulting Numbers: [137] 137,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[98, 119], Operations: ['76-36=40', '79+40=119'] Exploring Operation: 98*119=11662, Resulting Numbers: [11662] 11662,86 unequal: No Solution Exploring Operation: 98+119=217, Resulting Numbers: [217] 217,86 unequal: No Solution Exploring Operation: 119-98=21, Resulting Numbers: [21] 21,86 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: 86:[36, 76, 19], Operations: ['98-79=19'] Exploring Operation: 76-36=40, Resulting Numbers: [19, 40] Generated Node #0,2,0: 86:[19, 40] Operation: 76-36=40 Exploring Operation: 76-19=57, Resulting Numbers: [36, 57] Generated Node #0,2,1: 86:[36, 57] Operation: 76-19=57 Exploring Operation: 76/19=4, Resulting Numbers: [36, 4] Generated Node #0,2,2: 86:[36, 4] Operation: 76/19=4 Exploring Operation: 76+19=95, Resulting Numbers: [36, 95] Generated Node #0,2,3: 86:[36, 95] Operation: 76+19=95 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 86:[36, 4], Operations: ['98-79=19', '76/19=4'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,86 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,86 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,86 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 86:[36, 95], Operations: ['98-79=19', '76+19=95'] Exploring Operation: 95-36=59, Resulting Numbers: [59] 59,86 unequal: No Solution Exploring Operation: 36*95=3420, Resulting Numbers: [3420] 3420,86 unequal: No Solution Exploring Operation: 36+95=131, Resulting Numbers: [131] 131,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 86:[19, 40], Operations: ['98-79=19', '76-36=40'] Exploring Operation: 19+40=59, Resulting Numbers: [59] 59,86 unequal: No Solution Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 19*40=760, Resulting Numbers: [760] 760,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 86:[36, 57], Operations: ['98-79=19', '76-19=57'] Exploring Operation: 36*57=2052, Resulting Numbers: [2052] 2052,86 unequal: No Solution Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,86 unequal: No Solution Exploring Operation: 36+57=93, Resulting Numbers: [93] 93,86 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
[ 13, 73, 42, 40 ]
99
[ "42-40=2", "13*2=26", "73+26=99" ]
Current State: 99:[13, 73, 42, 40], Operations: [] Exploring Operation: 42-40=2, Resulting Numbers: [13, 73, 2] Generated Node #2: [13, 73, 2] from Operation: 42-40=2 Current State: 99:[13, 73, 2], Operations: ['42-40=2'] Exploring Operation: 13*2=26, Resulting Numbers: [73, 26] Generated Node #3: [73, 26] from Operation: 13*2=26 Current State: 99:[73, 26], Operations: ['42-40=2', '13*2=26'] Exploring Operation: 73+26=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[13, 73, 42, 40], Operations: [] Exploring Operation: 73-40=33, Resulting Numbers: [13, 42, 33] Generated Node #0,0: 99:[13, 42, 33] Operation: 73-40=33 Exploring Operation: 73-42=31, Resulting Numbers: [13, 40, 31] Generated Node #0,1: 99:[13, 40, 31] Operation: 73-42=31 Exploring Operation: 73+40=113, Resulting Numbers: [13, 42, 113] Generated Node #0,2: 99:[13, 42, 113] Operation: 73+40=113 Exploring Operation: 73+42=115, Resulting Numbers: [13, 40, 115] Generated Node #0,3: 99:[13, 40, 115] Operation: 73+42=115 Moving to Node #0,0 Current State: 99:[13, 42, 33], Operations: ['73-40=33'] Exploring Operation: 33-13=20, Resulting Numbers: [42, 20] Generated Node #0,0,0: 99:[42, 20] Operation: 33-13=20 Exploring Operation: 42-13=29, Resulting Numbers: [33, 29] Generated Node #0,0,1: 99:[33, 29] Operation: 42-13=29 Exploring Operation: 42-33=9, Resulting Numbers: [13, 9] Generated Node #0,0,2: 99:[13, 9] Operation: 42-33=9 Exploring Operation: 13+42=55, Resulting Numbers: [33, 55] Generated Node #0,0,3: 99:[33, 55] Operation: 13+42=55 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 99:[13, 9], Operations: ['73-40=33', '42-33=9'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,99 unequal: No Solution Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 99:[33, 29], Operations: ['73-40=33', '42-13=29'] Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 33*29=957, Resulting Numbers: [957] 957,99 unequal: No Solution Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[42, 20], Operations: ['73-40=33', '33-13=20'] Exploring Operation: 42-20=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 42+20=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 42*20=840, Resulting Numbers: [840] 840,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 99:[33, 55], Operations: ['73-40=33', '13+42=55'] Exploring Operation: 55-33=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 33*55=1815, Resulting Numbers: [1815] 1815,99 unequal: No Solution Exploring Operation: 33+55=88, Resulting Numbers: [88] 88,99 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: 99:[13, 40, 31], Operations: ['73-42=31'] Exploring Operation: 40-31=9, Resulting Numbers: [13, 9] Generated Node #0,1,0: 99:[13, 9] Operation: 40-31=9 Exploring Operation: 31-13=18, Resulting Numbers: [40, 18] Generated Node #0,1,1: 99:[40, 18] Operation: 31-13=18 Exploring Operation: 40-13=27, Resulting Numbers: [31, 27] Generated Node #0,1,2: 99:[31, 27] Operation: 40-13=27 Exploring Operation: 13+31=44, Resulting Numbers: [40, 44] Generated Node #0,1,3: 99:[40, 44] Operation: 13+31=44 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 99:[13, 9], Operations: ['73-42=31', '40-31=9'] Exploring Operation: 13+9=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 13*9=117, Resulting Numbers: [117] 117,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 99:[31, 27], Operations: ['73-42=31', '40-13=27'] Exploring Operation: 31+27=58, Resulting Numbers: [58] 58,99 unequal: No Solution Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 31*27=837, Resulting Numbers: [837] 837,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[40, 18], Operations: ['73-42=31', '31-13=18'] Exploring Operation: 40+18=58, Resulting Numbers: [58] 58,99 unequal: No Solution Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,99 unequal: No Solution Exploring Operation: 40*18=720, Resulting Numbers: [720] 720,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 99:[40, 44], Operations: ['73-42=31', '13+31=44'] Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,99 unequal: No Solution Exploring Operation: 40+44=84, Resulting Numbers: [84] 84,99 unequal: No Solution Exploring Operation: 40*44=1760, Resulting Numbers: [1760] 1760,99 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: 99:[13, 40, 115], Operations: ['73+42=115'] Exploring Operation: 13+40=53, Resulting Numbers: [115, 53] Generated Node #0,3,0: 99:[115, 53] Operation: 13+40=53 Exploring Operation: 115-40=75, Resulting Numbers: [13, 75] Generated Node #0,3,1: 99:[13, 75] Operation: 115-40=75 Exploring Operation: 40-13=27, Resulting Numbers: [115, 27] Generated Node #0,3,2: 99:[115, 27] Operation: 40-13=27 Exploring Operation: 115-13=102, Resulting Numbers: [40, 102] Generated Node #0,3,3: 99:[40, 102] Operation: 115-13=102 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 99:[40, 102], Operations: ['73+42=115', '115-13=102'] Exploring Operation: 40+102=142, Resulting Numbers: [142] 142,99 unequal: No Solution Exploring Operation: 102-40=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 40*102=4080, Resulting Numbers: [4080] 4080,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 99:[115, 27], Operations: ['73+42=115', '40-13=27'] Exploring Operation: 115*27=3105, Resulting Numbers: [3105] 3105,99 unequal: No Solution Exploring Operation: 115+27=142, Resulting Numbers: [142] 142,99 unequal: No Solution Exploring Operation: 115-27=88, Resulting Numbers: [88] 88,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 99:[13, 75], Operations: ['73+42=115', '115-40=75'] Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 13+75=88, Resulting Numbers: [88] 88,99 unequal: No Solution Exploring Operation: 13*75=975, Resulting Numbers: [975] 975,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 99:[115, 53], Operations: ['73+42=115', '13+40=53'] Exploring Operation: 115-53=62, Resulting Numbers: [62] 62,99 unequal: No Solution Exploring Operation: 115+53=168, Resulting Numbers: [168] 168,99 unequal: No Solution Exploring Operation: 115*53=6095, Resulting Numbers: [6095] 6095,99 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: 99:[13, 42, 113], Operations: ['73+40=113'] Exploring Operation: 13+42=55, Resulting Numbers: [113, 55] Generated Node #0,2,0: 99:[113, 55] Operation: 13+42=55 Exploring Operation: 113-13=100, Resulting Numbers: [42, 100] Generated Node #0,2,1: 99:[42, 100] Operation: 113-13=100 Exploring Operation: 113-42=71, Resulting Numbers: [13, 71] Generated Node #0,2,2: 99:[13, 71] Operation: 113-42=71 Exploring Operation: 42-13=29, Resulting Numbers: [113, 29] Generated Node #0,2,3: 99:[113, 29] Operation: 42-13=29 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 99:[42, 100], Operations: ['73+40=113', '113-13=100'] Exploring Operation: 42*100=4200, Resulting Numbers: [4200] 4200,99 unequal: No Solution Exploring Operation: 42+100=142, Resulting Numbers: [142] 142,99 unequal: No Solution Exploring Operation: 100-42=58, Resulting Numbers: [58] 58,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 99:[113, 29], Operations: ['73+40=113', '42-13=29'] Exploring Operation: 113+29=142, Resulting Numbers: [142] 142,99 unequal: No Solution Exploring Operation: 113*29=3277, Resulting Numbers: [3277] 3277,99 unequal: No Solution Exploring Operation: 113-29=84, Resulting Numbers: [84] 84,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 99:[13, 71], Operations: ['73+40=113', '113-42=71'] Exploring Operation: 13+71=84, Resulting Numbers: [84] 84,99 unequal: No Solution Exploring Operation: 13*71=923, Resulting Numbers: [923] 923,99 unequal: No Solution Exploring Operation: 71-13=58, Resulting Numbers: [58] 58,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 99:[113, 55], Operations: ['73+40=113', '13+42=55'] Exploring Operation: 113*55=6215, Resulting Numbers: [6215] 6215,99 unequal: No Solution Exploring Operation: 113+55=168, Resulting Numbers: [168] 168,99 unequal: No Solution Exploring Operation: 113-55=58, Resulting Numbers: [58] 58,99 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
[ 41, 2, 93, 46 ]
31
[ "41+2=43", "46-43=3", "93/3=31" ]
Current State: 31:[41, 2, 93, 46], Operations: [] Exploring Operation: 41+2=43, Resulting Numbers: [93, 46, 43] Generated Node #2: [93, 46, 43] from Operation: 41+2=43 Current State: 31:[93, 46, 43], Operations: ['41+2=43'] Exploring Operation: 46-43=3, Resulting Numbers: [93, 3] Generated Node #3: [93, 3] from Operation: 46-43=3 Current State: 31:[93, 3], Operations: ['41+2=43', '46-43=3'] Exploring Operation: 93/3=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[41, 2, 93, 46], Operations: [] Exploring Operation: 41-2=39, Resulting Numbers: [93, 46, 39] Generated Node #0,0: 31:[93, 46, 39] Operation: 41-2=39 Exploring Operation: 93-41=52, Resulting Numbers: [2, 46, 52] Generated Node #0,1: 31:[2, 46, 52] Operation: 93-41=52 Exploring Operation: 46/2=23, Resulting Numbers: [41, 93, 23] Generated Node #0,2: 31:[41, 93, 23] Operation: 46/2=23 Exploring Operation: 93-46=47, Resulting Numbers: [41, 2, 47] Generated Node #0,3: 31:[41, 2, 47] Operation: 93-46=47 Moving to Node #0,3 Current State: 31:[41, 2, 47], Operations: ['93-46=47'] Exploring Operation: 47-2=45, Resulting Numbers: [41, 45] Generated Node #0,3,0: 31:[41, 45] Operation: 47-2=45 Exploring Operation: 2+47=49, Resulting Numbers: [41, 49] Generated Node #0,3,1: 31:[41, 49] Operation: 2+47=49 Exploring Operation: 41+2=43, Resulting Numbers: [47, 43] Generated Node #0,3,2: 31:[47, 43] Operation: 41+2=43 Exploring Operation: 41-2=39, Resulting Numbers: [47, 39] Generated Node #0,3,3: 31:[47, 39] Operation: 41-2=39 Moving to Node #0,1 Current State: 31:[2, 46, 52], Operations: ['93-41=52'] Exploring Operation: 52-2=50, Resulting Numbers: [46, 50] Generated Node #0,1,0: 31:[46, 50] Operation: 52-2=50 Exploring Operation: 46/2=23, Resulting Numbers: [52, 23] Generated Node #0,1,1: 31:[52, 23] Operation: 46/2=23 Exploring Operation: 52/2=26, Resulting Numbers: [46, 26] Generated Node #0,1,2: 31:[46, 26] Operation: 52/2=26 Exploring Operation: 46-2=44, Resulting Numbers: [52, 44] Generated Node #0,1,3: 31:[52, 44] Operation: 46-2=44 Moving to Node #0,2 Current State: 31:[41, 93, 23], Operations: ['46/2=23'] Exploring Operation: 41+23=64, Resulting Numbers: [93, 64] Generated Node #0,2,0: 31:[93, 64] Operation: 41+23=64 Exploring Operation: 41-23=18, Resulting Numbers: [93, 18] Generated Node #0,2,1: 31:[93, 18] Operation: 41-23=18 Exploring Operation: 93-41=52, Resulting Numbers: [23, 52] Generated Node #0,2,2: 31:[23, 52] Operation: 93-41=52 Exploring Operation: 93-23=70, Resulting Numbers: [41, 70] Generated Node #0,2,3: 31:[41, 70] Operation: 93-23=70 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 31:[23, 52], Operations: ['46/2=23', '93-41=52'] Exploring Operation: 23+52=75, Resulting Numbers: [75] 75,31 unequal: No Solution Exploring Operation: 23*52=1196, Resulting Numbers: [1196] 1196,31 unequal: No Solution Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 31:[41, 70], Operations: ['46/2=23', '93-23=70'] Exploring Operation: 70-41=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 41+70=111, Resulting Numbers: [111] 111,31 unequal: No Solution Exploring Operation: 41*70=2870, Resulting Numbers: [2870] 2870,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[93, 18], Operations: ['46/2=23', '41-23=18'] Exploring Operation: 93-18=75, Resulting Numbers: [75] 75,31 unequal: No Solution Exploring Operation: 93*18=1674, Resulting Numbers: [1674] 1674,31 unequal: No Solution Exploring Operation: 93+18=111, Resulting Numbers: [111] 111,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[93, 64], Operations: ['46/2=23', '41+23=64'] Exploring Operation: 93+64=157, Resulting Numbers: [157] 157,31 unequal: No Solution Exploring Operation: 93*64=5952, Resulting Numbers: [5952] 5952,31 unequal: No Solution Exploring Operation: 93-64=29, Resulting Numbers: [29] 29,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 31:[93, 46, 39], Operations: ['41-2=39'] Exploring Operation: 46-39=7, Resulting Numbers: [93, 7] Generated Node #0,0,0: 31:[93, 7] Operation: 46-39=7 Exploring Operation: 93-39=54, Resulting Numbers: [46, 54] Generated Node #0,0,1: 31:[46, 54] Operation: 93-39=54 Exploring Operation: 93+46=139, Resulting Numbers: [39, 139] Generated Node #0,0,2: 31:[39, 139] Operation: 93+46=139 Exploring Operation: 93-46=47, Resulting Numbers: [39, 47] Generated Node #0,0,3: 31:[39, 47] Operation: 93-46=47 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 31:[39, 47], Operations: ['41-2=39', '93-46=47'] Exploring Operation: 47-39=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 39+47=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 39*47=1833, Resulting Numbers: [1833] 1833,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[46, 54], Operations: ['41-2=39', '93-39=54'] Exploring Operation: 46*54=2484, Resulting Numbers: [2484] 2484,31 unequal: No Solution Exploring Operation: 54-46=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 46+54=100, Resulting Numbers: [100] 100,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[93, 7], Operations: ['41-2=39', '46-39=7'] Exploring Operation: 93-7=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 93+7=100, Resulting Numbers: [100] 100,31 unequal: No Solution Exploring Operation: 93*7=651, Resulting Numbers: [651] 651,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 31:[39, 139], Operations: ['41-2=39', '93+46=139'] Exploring Operation: 139-39=100, Resulting Numbers: [100] 100,31 unequal: No Solution Exploring Operation: 39+139=178, Resulting Numbers: [178] 178,31 unequal: No Solution Exploring Operation: 39*139=5421, Resulting Numbers: [5421] 5421,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 31:[46, 26], Operations: ['93-41=52', '52/2=26'] Exploring Operation: 46+26=72, Resulting Numbers: [72] 72,31 unequal: No Solution Exploring Operation: 46*26=1196, Resulting Numbers: [1196] 1196,31 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[41, 45], Operations: ['93-46=47', '47-2=45'] Exploring Operation: 41+45=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 41*45=1845, Resulting Numbers: [1845] 1845,31 unequal: No Solution Exploring Operation: 45-41=4, Resulting Numbers: [4] 4,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[47, 39], Operations: ['93-46=47', '41-2=39'] Exploring Operation: 47+39=86, Resulting Numbers: [86] 86,31 unequal: No Solution Exploring Operation: 47-39=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 47*39=1833, Resulting Numbers: [1833] 1833,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[41, 49], Operations: ['93-46=47', '2+47=49'] Exploring Operation: 41+49=90, Resulting Numbers: [90] 90,31 unequal: No Solution Exploring Operation: 49-41=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 41*49=2009, Resulting Numbers: [2009] 2009,31 unequal: No Solution Moving to Node #0,3,2 Current State: 31:[47, 43], Operations: ['93-46=47', '41+2=43'] Exploring Operation: 47-43=4, Resulting Numbers: [4] 4,31 unequal: No Solution Exploring Operation: 47+43=90, Resulting Numbers: [90] 90,31 unequal: No Solution Exploring Operation: 47*43=2021, Resulting Numbers: [2021] 2021,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[52, 23], Operations: ['93-41=52', '46/2=23'] Exploring Operation: 52+23=75, Resulting Numbers: [75] 75,31 unequal: No Solution Exploring Operation: 52*23=1196, Resulting Numbers: [1196] 1196,31 unequal: No Solution Exploring Operation: 52-23=29, Resulting Numbers: [29] 29,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[46, 50], Operations: ['93-41=52', '52-2=50'] Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,31 unequal: No Solution Exploring Operation: 46*50=2300, Resulting Numbers: [2300] 2300,31 unequal: No Solution Exploring Operation: 46+50=96, Resulting Numbers: [96] 96,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[52, 44], Operations: ['93-41=52', '46-2=44'] Exploring Operation: 52*44=2288, Resulting Numbers: [2288] 2288,31 unequal: No Solution Exploring Operation: 52+44=96, Resulting Numbers: [96] 96,31 unequal: No Solution Exploring Operation: 52-44=8, Resulting Numbers: [8] 8,31 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 58, 26, 83, 60 ]
61
[ "58+26=84", "83-60=23", "84-23=61" ]
Current State: 61:[58, 26, 83, 60], Operations: [] Exploring Operation: 58+26=84, Resulting Numbers: [83, 60, 84] Generated Node #2: [83, 60, 84] from Operation: 58+26=84 Current State: 61:[83, 60, 84], Operations: ['58+26=84'] Exploring Operation: 83-60=23, Resulting Numbers: [84, 23] Generated Node #3: [84, 23] from Operation: 83-60=23 Current State: 61:[84, 23], Operations: ['58+26=84', '83-60=23'] Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[58, 26, 83, 60], Operations: [] Exploring Operation: 58-26=32, Resulting Numbers: [83, 60, 32] Generated Node #0,0: 61:[83, 60, 32] Operation: 58-26=32 Exploring Operation: 58+26=84, Resulting Numbers: [83, 60, 84] Generated Node #0,1: 61:[83, 60, 84] Operation: 58+26=84 Exploring Operation: 83-26=57, Resulting Numbers: [58, 60, 57] Generated Node #0,2: 61:[58, 60, 57] Operation: 83-26=57 Exploring Operation: 26+60=86, Resulting Numbers: [58, 83, 86] Generated Node #0,3: 61:[58, 83, 86] Operation: 26+60=86 Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[58, 60, 57], Operations: ['83-26=57'] Exploring Operation: 58+57=115, Resulting Numbers: [60, 115] Generated Node #0,2,0: 61:[60, 115] Operation: 58+57=115 Exploring Operation: 58-57=1, Resulting Numbers: [60, 1] Generated Node #0,2,1: 61:[60, 1] Operation: 58-57=1 Exploring Operation: 58+60=118, Resulting Numbers: [57, 118] Generated Node #0,2,2: 61:[57, 118] Operation: 58+60=118 Exploring Operation: 60+57=117, Resulting Numbers: [58, 117] Generated Node #0,2,3: 61:[58, 117] Operation: 60+57=117 Moving to Node #0,2,0 Current State: 61:[60, 115], Operations: ['83-26=57', '58+57=115'] Exploring Operation: 115-60=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 60+115=175, Resulting Numbers: [175] 175,61 unequal: No Solution Exploring Operation: 60*115=6900, Resulting Numbers: [6900] 6900,61 unequal: No Solution Moving to Node #0,2,3 Current State: 61:[58, 117], Operations: ['83-26=57', '60+57=117'] Exploring Operation: 117-58=59, Resulting Numbers: [59] 59,61 unequal: No Solution Exploring Operation: 58+117=175, Resulting Numbers: [175] 175,61 unequal: No Solution Exploring Operation: 58*117=6786, Resulting Numbers: [6786] 6786,61 unequal: No Solution Moving to Node #0,2,2 Current State: 61:[57, 118], Operations: ['83-26=57', '58+60=118'] Exploring Operation: 57*118=6726, Resulting Numbers: [6726] 6726,61 unequal: No Solution Exploring Operation: 118-57=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[58, 26, 83, 60], Operations: [] Exploring Operation: 83-26=57, Resulting Numbers: [58, 60, 57] Generated Node #0,2: 61:[58, 60, 57] Operation: 83-26=57 Moving to Node #0,2 Current State: 61:[58, 60, 57], Operations: ['83-26=57'] Exploring Operation: 58+60=118, Resulting Numbers: [57, 118] Generated Node #0,2,2: 61:[57, 118] Operation: 58+60=118 Moving to Node #0,2,2 Current State: 61:[57, 118], Operations: ['83-26=57', '58+60=118'] Exploring Operation: 118-57=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 35, 10, 16, 76 ]
85
[ "35-10=25", "76-16=60", "25+60=85" ]
Current State: 85:[35, 10, 16, 76], Operations: [] Exploring Operation: 35-10=25, Resulting Numbers: [16, 76, 25] Generated Node #2: [16, 76, 25] from Operation: 35-10=25 Current State: 85:[16, 76, 25], Operations: ['35-10=25'] Exploring Operation: 76-16=60, Resulting Numbers: [25, 60] Generated Node #3: [25, 60] from Operation: 76-16=60 Current State: 85:[25, 60], Operations: ['35-10=25', '76-16=60'] Exploring Operation: 25+60=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[35, 10, 16, 76], Operations: [] Exploring Operation: 35-10=25, Resulting Numbers: [16, 76, 25] Generated Node #0,0: 85:[16, 76, 25] Operation: 35-10=25 Exploring Operation: 10+76=86, Resulting Numbers: [35, 16, 86] Generated Node #0,1: 85:[35, 16, 86] Operation: 10+76=86 Exploring Operation: 35-16=19, Resulting Numbers: [10, 76, 19] Generated Node #0,2: 85:[10, 76, 19] Operation: 35-16=19 Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[10, 76, 19], Operations: ['35-16=19'] Exploring Operation: 76/19=4, Resulting Numbers: [10, 4] Generated Node #0,2,0: 85:[10, 4] Operation: 76/19=4 Exploring Operation: 19-10=9, Resulting Numbers: [76, 9] Generated Node #0,2,1: 85:[76, 9] Operation: 19-10=9 Exploring Operation: 10+76=86, Resulting Numbers: [19, 86] Generated Node #0,2,2: 85:[19, 86] Operation: 10+76=86 Moving to Node #0,2,2 Current State: 85:[19, 86], Operations: ['35-16=19', '10+76=86'] Exploring Operation: 19+86=105, Resulting Numbers: [105] 105,85 unequal: No Solution Exploring Operation: 86-19=67, Resulting Numbers: [67] 67,85 unequal: No Solution Exploring Operation: 19*86=1634, Resulting Numbers: [1634] 1634,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[10, 4], Operations: ['35-16=19', '76/19=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,85 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,85 unequal: No Solution Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[76, 9], Operations: ['35-16=19', '19-10=9'] Exploring Operation: 76+9=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[35, 10, 16, 76], Operations: [] Exploring Operation: 35-16=19, Resulting Numbers: [10, 76, 19] Generated Node #0,2: 85:[10, 76, 19] Operation: 35-16=19 Moving to Node #0,2 Current State: 85:[10, 76, 19], Operations: ['35-16=19'] Exploring Operation: 19-10=9, Resulting Numbers: [76, 9] Generated Node #0,2,1: 85:[76, 9] Operation: 19-10=9 Moving to Node #0,2,1 Current State: 85:[76, 9], Operations: ['35-16=19', '19-10=9'] Exploring Operation: 76+9=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 18, 18, 74, 37 ]
75
[ "18+18=36", "74+37=111", "111-36=75" ]
Current State: 75:[18, 18, 74, 37], Operations: [] Exploring Operation: 18+18=36, Resulting Numbers: [74, 37, 36] Generated Node #2: [74, 37, 36] from Operation: 18+18=36 Current State: 75:[74, 37, 36], Operations: ['18+18=36'] Exploring Operation: 74+37=111, Resulting Numbers: [36, 111] Generated Node #3: [36, 111] from Operation: 74+37=111 Current State: 75:[36, 111], Operations: ['18+18=36', '74+37=111'] Exploring Operation: 111-36=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[18, 18, 74, 37], Operations: [] Exploring Operation: 37-18=19, Resulting Numbers: [18, 74, 19] Generated Node #0,0: 75:[18, 74, 19] Operation: 37-18=19 Exploring Operation: 37-18=19, Resulting Numbers: [18, 74, 19] Generated Node #0,1: 75:[18, 74, 19] Operation: 37-18=19 Exploring Operation: 74/37=2, Resulting Numbers: [18, 18, 2] Generated Node #0,2: 75:[18, 18, 2] Operation: 74/37=2 Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[18, 18, 2], Operations: ['74/37=2'] Exploring Operation: 18-2=16, Resulting Numbers: [18, 16] Generated Node #0,2,0: 75:[18, 16] Operation: 18-2=16 Exploring Operation: 18/18=1, Resulting Numbers: [2, 1] Generated Node #0,2,1: 75:[2, 1] Operation: 18/18=1 Exploring Operation: 18-18=0, Resulting Numbers: [2, 0] Generated Node #0,2,2: 75:[2, 0] Operation: 18-18=0 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 75:[2, 1], Operations: ['74/37=2', '18/18=1'] Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,75 unequal: No Solution No 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: 75:[18, 16], Operations: ['74/37=2', '18-2=16'] Exploring Operation: 18-16=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 18+16=34, Resulting Numbers: [34] 34,75 unequal: No Solution Exploring Operation: 18*16=288, Resulting Numbers: [288] 288,75 unequal: No Solution No 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: 75:[2, 0], Operations: ['74/37=2', '18-18=0'] Exploring Operation: 2*0=0, Resulting Numbers: [0] 0,75 unequal: No Solution Exploring Operation: 2-0=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 2+0=2, Resulting Numbers: [2] 2,75 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: 75:[18, 74, 19], Operations: ['37-18=19'] Exploring Operation: 18+19=37, Resulting Numbers: [74, 37] Generated Node #0,0,0: 75:[74, 37] Operation: 18+19=37 Exploring Operation: 18+74=92, Resulting Numbers: [19, 92] Generated Node #0,0,1: 75:[19, 92] Operation: 18+74=92 Exploring Operation: 19-18=1, Resulting Numbers: [74, 1] Generated Node #0,0,2: 75:[74, 1] Operation: 19-18=1 Moving to Node #0,0,2 Current State: 75:[74, 1], Operations: ['37-18=19', '19-18=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[18, 18, 74, 37], Operations: [] Exploring Operation: 37-18=19, Resulting Numbers: [18, 74, 19] Generated Node #0,0: 75:[18, 74, 19] Operation: 37-18=19 Moving to Node #0,0 Current State: 75:[18, 74, 19], Operations: ['37-18=19'] Exploring Operation: 19-18=1, Resulting Numbers: [74, 1] Generated Node #0,0,2: 75:[74, 1] Operation: 19-18=1 Moving to Node #0,0,2 Current State: 75:[74, 1], Operations: ['37-18=19', '19-18=1'] Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 80, 92, 35, 68 ]
33
[ "92+68=160", "160/80=2", "35-2=33" ]
Current State: 33:[80, 92, 35, 68], Operations: [] Exploring Operation: 92+68=160, Resulting Numbers: [80, 35, 160] Generated Node #2: [80, 35, 160] from Operation: 92+68=160 Current State: 33:[80, 35, 160], Operations: ['92+68=160'] Exploring Operation: 160/80=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 160/80=2 Current State: 33:[35, 2], Operations: ['92+68=160', '160/80=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[80, 92, 35, 68], Operations: [] Exploring Operation: 92-80=12, Resulting Numbers: [35, 68, 12] Generated Node #0,0: 33:[35, 68, 12] Operation: 92-80=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[35, 68, 12], Operations: ['92-80=12'] Exploring Operation: 68-35=33, Resulting Numbers: [12, 33] Generated Node #0,0,0: 33:[12, 33] Operation: 68-35=33 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 33:[12, 33], Operations: ['92-80=12', '68-35=33'] Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 15, 41, 70, 45 ]
36
[ "15+41=56", "45*56=2520", "2520/70=36" ]
Current State: 36:[15, 41, 70, 45], Operations: [] Exploring Operation: 15+41=56, Resulting Numbers: [70, 45, 56] Generated Node #2: [70, 45, 56] from Operation: 15+41=56 Current State: 36:[70, 45, 56], Operations: ['15+41=56'] Exploring Operation: 45*56=2520, Resulting Numbers: [70, 2520] Generated Node #3: [70, 2520] from Operation: 45*56=2520 Current State: 36:[70, 2520], Operations: ['15+41=56', '45*56=2520'] Exploring Operation: 2520/70=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[15, 41, 70, 45], Operations: [] Exploring Operation: 70-45=25, Resulting Numbers: [15, 41, 25] Generated Node #0,0: 36:[15, 41, 25] Operation: 70-45=25 Moving to Node #0,0 Current State: 36:[15, 41, 25], Operations: ['70-45=25'] Exploring Operation: 41-25=16, Resulting Numbers: [15, 16] Generated Node #0,0,0: 36:[15, 16] Operation: 41-25=16 Moving to Node #0,0,0 Current State: 36:[15, 16], Operations: ['70-45=25', '41-25=16'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,36 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 89, 24, 45, 61 ]
80
[ "89+61=150", "24*150=3600", "3600/45=80" ]
Current State: 80:[89, 24, 45, 61], Operations: [] Exploring Operation: 89+61=150, Resulting Numbers: [24, 45, 150] Generated Node #2: [24, 45, 150] from Operation: 89+61=150 Current State: 80:[24, 45, 150], Operations: ['89+61=150'] Exploring Operation: 24*150=3600, Resulting Numbers: [45, 3600] Generated Node #3: [45, 3600] from Operation: 24*150=3600 Current State: 80:[45, 3600], Operations: ['89+61=150', '24*150=3600'] Exploring Operation: 3600/45=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[89, 24, 45, 61], Operations: [] Exploring Operation: 61-45=16, Resulting Numbers: [89, 24, 16] Generated Node #0,0: 80:[89, 24, 16] Operation: 61-45=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[89, 24, 16], Operations: ['61-45=16'] Exploring Operation: 24+16=40, Resulting Numbers: [89, 40] Generated Node #0,0,0: 80:[89, 40] Operation: 24+16=40 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[89, 40], Operations: ['61-45=16', '24+16=40'] Exploring Operation: 89-40=49, Resulting Numbers: [49] 49,80 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
[ 21, 91, 30, 7 ]
77
[ "21*30=630", "630-91=539", "539/7=77" ]
Current State: 77:[21, 91, 30, 7], Operations: [] Exploring Operation: 21*30=630, Resulting Numbers: [91, 7, 630] Generated Node #2: [91, 7, 630] from Operation: 21*30=630 Current State: 77:[91, 7, 630], Operations: ['21*30=630'] Exploring Operation: 630-91=539, Resulting Numbers: [7, 539] Generated Node #3: [7, 539] from Operation: 630-91=539 Current State: 77:[7, 539], Operations: ['21*30=630', '630-91=539'] Exploring Operation: 539/7=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[21, 91, 30, 7], Operations: [] Exploring Operation: 30-21=9, Resulting Numbers: [91, 7, 9] Generated Node #0,0: 77:[91, 7, 9] Operation: 30-21=9 Moving to Node #0,0 Current State: 77:[91, 7, 9], Operations: ['30-21=9'] Exploring Operation: 91/7=13, Resulting Numbers: [9, 13] Generated Node #0,0,0: 77:[9, 13] Operation: 91/7=13 Moving to Node #0,0,0 Current State: 77:[9, 13], Operations: ['30-21=9', '91/7=13'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,77 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 33, 65, 47, 2 ]
84
[ "33*2=66", "65-47=18", "66+18=84" ]
Current State: 84:[33, 65, 47, 2], Operations: [] Exploring Operation: 33*2=66, Resulting Numbers: [65, 47, 66] Generated Node #2: [65, 47, 66] from Operation: 33*2=66 Current State: 84:[65, 47, 66], Operations: ['33*2=66'] Exploring Operation: 65-47=18, Resulting Numbers: [66, 18] Generated Node #3: [66, 18] from Operation: 65-47=18 Current State: 84:[66, 18], Operations: ['33*2=66', '65-47=18'] Exploring Operation: 66+18=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[33, 65, 47, 2], Operations: [] Exploring Operation: 65-33=32, Resulting Numbers: [47, 2, 32] Generated Node #0,0: 84:[47, 2, 32] Operation: 65-33=32 Exploring Operation: 65-47=18, Resulting Numbers: [33, 2, 18] Generated Node #0,1: 84:[33, 2, 18] Operation: 65-47=18 Exploring Operation: 47-33=14, Resulting Numbers: [65, 2, 14] Generated Node #0,2: 84:[65, 2, 14] Operation: 47-33=14 Exploring Operation: 33+65=98, Resulting Numbers: [47, 2, 98] Generated Node #0,3: 84:[47, 2, 98] Operation: 33+65=98 Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[33, 2, 18], Operations: ['65-47=18'] Exploring Operation: 33-2=31, Resulting Numbers: [18, 31] Generated Node #0,1,0: 84:[18, 31] Operation: 33-2=31 Exploring Operation: 18-2=16, Resulting Numbers: [33, 16] Generated Node #0,1,1: 84:[33, 16] Operation: 18-2=16 Exploring Operation: 33-18=15, Resulting Numbers: [2, 15] Generated Node #0,1,2: 84:[2, 15] Operation: 33-18=15 Exploring Operation: 2+18=20, Resulting Numbers: [33, 20] Generated Node #0,1,3: 84:[33, 20] Operation: 2+18=20 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 84:[2, 15], Operations: ['65-47=18', '33-18=15'] Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,84 unequal: No Solution Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,84 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[18, 31], Operations: ['65-47=18', '33-2=31'] Exploring Operation: 31-18=13, Resulting Numbers: [13] 13,84 unequal: No Solution Exploring Operation: 18+31=49, Resulting Numbers: [49] 49,84 unequal: No Solution Exploring Operation: 18*31=558, Resulting Numbers: [558] 558,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 84:[33, 20], Operations: ['65-47=18', '2+18=20'] Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,84 unequal: No Solution Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 33*20=660, Resulting Numbers: [660] 660,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 84:[33, 16], Operations: ['65-47=18', '18-2=16'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,84 unequal: No Solution Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,84 unequal: No Solution Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[47, 2, 32], Operations: ['65-33=32'] Exploring Operation: 32-2=30, Resulting Numbers: [47, 30] Generated Node #0,0,0: 84:[47, 30] Operation: 32-2=30 Exploring Operation: 47-32=15, Resulting Numbers: [2, 15] Generated Node #0,0,1: 84:[2, 15] Operation: 47-32=15 Exploring Operation: 47-2=45, Resulting Numbers: [32, 45] Generated Node #0,0,2: 84:[32, 45] Operation: 47-2=45 Exploring Operation: 47+32=79, Resulting Numbers: [2, 79] Generated Node #0,0,3: 84:[2, 79] Operation: 47+32=79 Moving to Node #0,0,1 Current State: 84:[2, 15], Operations: ['65-33=32', '47-32=15'] Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,84 unequal: No Solution Exploring Operation: 2+15=17, Resulting Numbers: [17] 17,84 unequal: No Solution Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,84 unequal: No Solution Moving to Node #0,0,3 Current State: 84:[2, 79], Operations: ['65-33=32', '47+32=79'] Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 2+79=81, Resulting Numbers: [81] 81,84 unequal: No Solution Exploring Operation: 2*79=158, Resulting Numbers: [158] 158,84 unequal: No Solution Moving to Node #0,0,2 Current State: 84:[32, 45], Operations: ['65-33=32', '47-2=45'] Exploring Operation: 32*45=1440, Resulting Numbers: [1440] 1440,84 unequal: No Solution Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,84 unequal: No Solution Exploring Operation: 32+45=77, Resulting Numbers: [77] 77,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[47, 30], Operations: ['65-33=32', '32-2=30'] Exploring Operation: 47+30=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 47*30=1410, Resulting Numbers: [1410] 1410,84 unequal: No Solution Exploring Operation: 47-30=17, Resulting Numbers: [17] 17,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[65, 2, 14], Operations: ['47-33=14'] Exploring Operation: 2*14=28, Resulting Numbers: [65, 28] Generated Node #0,2,0: 84:[65, 28] Operation: 2*14=28 Exploring Operation: 65-14=51, Resulting Numbers: [2, 51] Generated Node #0,2,1: 84:[2, 51] Operation: 65-14=51 Exploring Operation: 65+2=67, Resulting Numbers: [14, 67] Generated Node #0,2,2: 84:[14, 67] Operation: 65+2=67 Exploring Operation: 65+14=79, Resulting Numbers: [2, 79] Generated Node #0,2,3: 84:[2, 79] Operation: 65+14=79 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 84:[2, 79], Operations: ['47-33=14', '65+14=79'] Exploring Operation: 2+79=81, Resulting Numbers: [81] 81,84 unequal: No Solution Exploring Operation: 79-2=77, Resulting Numbers: [77] 77,84 unequal: No Solution Exploring Operation: 2*79=158, Resulting Numbers: [158] 158,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 84:[2, 51], Operations: ['47-33=14', '65-14=51'] Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,84 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,84 unequal: No Solution Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 84:[14, 67], Operations: ['47-33=14', '65+2=67'] Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 14+67=81, Resulting Numbers: [81] 81,84 unequal: No Solution Exploring Operation: 14*67=938, Resulting Numbers: [938] 938,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 84:[65, 28], Operations: ['47-33=14', '2*14=28'] Exploring Operation: 65-28=37, Resulting Numbers: [37] 37,84 unequal: No Solution Exploring Operation: 65+28=93, Resulting Numbers: [93] 93,84 unequal: No Solution Exploring Operation: 65*28=1820, Resulting Numbers: [1820] 1820,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 84:[47, 2, 98], Operations: ['33+65=98'] Exploring Operation: 98/2=49, Resulting Numbers: [47, 49] Generated Node #0,3,0: 84:[47, 49] Operation: 98/2=49 Exploring Operation: 47-2=45, Resulting Numbers: [98, 45] Generated Node #0,3,1: 84:[98, 45] Operation: 47-2=45 Exploring Operation: 98-2=96, Resulting Numbers: [47, 96] Generated Node #0,3,2: 84:[47, 96] Operation: 98-2=96 Exploring Operation: 98-47=51, Resulting Numbers: [2, 51] Generated Node #0,3,3: 84:[2, 51] Operation: 98-47=51 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 84:[2, 51], Operations: ['33+65=98', '98-47=51'] Exploring Operation: 2+51=53, Resulting Numbers: [53] 53,84 unequal: No Solution Exploring Operation: 2*51=102, Resulting Numbers: [102] 102,84 unequal: No Solution Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 84:[47, 49], Operations: ['33+65=98', '98/2=49'] Exploring Operation: 49-47=2, Resulting Numbers: [2] 2,84 unequal: No Solution Exploring Operation: 47*49=2303, Resulting Numbers: [2303] 2303,84 unequal: No Solution Exploring Operation: 47+49=96, Resulting Numbers: [96] 96,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 84:[98, 45], Operations: ['33+65=98', '47-2=45'] Exploring Operation: 98+45=143, Resulting Numbers: [143] 143,84 unequal: No Solution Exploring Operation: 98*45=4410, Resulting Numbers: [4410] 4410,84 unequal: No Solution Exploring Operation: 98-45=53, Resulting Numbers: [53] 53,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 84:[47, 96], Operations: ['33+65=98', '98-2=96'] Exploring Operation: 47+96=143, Resulting Numbers: [143] 143,84 unequal: No Solution Exploring Operation: 96-47=49, Resulting Numbers: [49] 49,84 unequal: No Solution Exploring Operation: 47*96=4512, Resulting Numbers: [4512] 4512,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 21, 53, 38, 31 ]
65
[ "21*53=1113", "38*31=1178", "1178-1113=65" ]
Current State: 65:[21, 53, 38, 31], Operations: [] Exploring Operation: 21*53=1113, Resulting Numbers: [38, 31, 1113] Generated Node #2: [38, 31, 1113] from Operation: 21*53=1113 Current State: 65:[38, 31, 1113], Operations: ['21*53=1113'] Exploring Operation: 38*31=1178, Resulting Numbers: [1113, 1178] Generated Node #3: [1113, 1178] from Operation: 38*31=1178 Current State: 65:[1113, 1178], Operations: ['21*53=1113', '38*31=1178'] Exploring Operation: 1178-1113=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[21, 53, 38, 31], Operations: [] Exploring Operation: 38-31=7, Resulting Numbers: [21, 53, 7] Generated Node #0,0: 65:[21, 53, 7] Operation: 38-31=7 Exploring Operation: 38+31=69, Resulting Numbers: [21, 53, 69] Generated Node #0,1: 65:[21, 53, 69] Operation: 38+31=69 Exploring Operation: 53-38=15, Resulting Numbers: [21, 31, 15] Generated Node #0,2: 65:[21, 31, 15] Operation: 53-38=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[21, 53, 7], Operations: ['38-31=7'] Exploring Operation: 53+7=60, Resulting Numbers: [21, 60] Generated Node #0,0,0: 65:[21, 60] Operation: 53+7=60 Exploring Operation: 21+53=74, Resulting Numbers: [7, 74] Generated Node #0,0,1: 65:[7, 74] Operation: 21+53=74 Exploring Operation: 21-7=14, Resulting Numbers: [53, 14] Generated Node #0,0,2: 65:[53, 14] Operation: 21-7=14 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 65:[7, 74], Operations: ['38-31=7', '21+53=74'] Exploring Operation: 7*74=518, Resulting Numbers: [518] 518,65 unequal: No Solution Exploring Operation: 7+74=81, Resulting Numbers: [81] 81,65 unequal: No Solution Exploring Operation: 74-7=67, Resulting Numbers: [67] 67,65 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:[21, 60], Operations: ['38-31=7', '53+7=60'] Exploring Operation: 21*60=1260, Resulting Numbers: [1260] 1260,65 unequal: No Solution Exploring Operation: 21+60=81, Resulting Numbers: [81] 81,65 unequal: No Solution Exploring Operation: 60-21=39, Resulting Numbers: [39] 39,65 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:[53, 14], Operations: ['38-31=7', '21-7=14'] Exploring Operation: 53*14=742, Resulting Numbers: [742] 742,65 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,65 unequal: No Solution Exploring Operation: 53+14=67, Resulting Numbers: [67] 67,65 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:[21, 53, 69], Operations: ['38+31=69'] Exploring Operation: 53-21=32, Resulting Numbers: [69, 32] Generated Node #0,1,0: 65:[69, 32] Operation: 53-21=32 Exploring Operation: 69-53=16, Resulting Numbers: [21, 16] Generated Node #0,1,1: 65:[21, 16] Operation: 69-53=16 Exploring Operation: 21+53=74, Resulting Numbers: [69, 74] Generated Node #0,1,2: 65:[69, 74] Operation: 21+53=74 Moving to Node #0,1,1 Current State: 65:[21, 16], Operations: ['38+31=69', '69-53=16'] Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 21*16=336, Resulting Numbers: [336] 336,65 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,65 unequal: No Solution Moving to Node #0,1,2 Current State: 65:[69, 74], Operations: ['38+31=69', '21+53=74'] Exploring Operation: 74-69=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 69+74=143, Resulting Numbers: [143] 143,65 unequal: No Solution Exploring Operation: 69*74=5106, Resulting Numbers: [5106] 5106,65 unequal: No Solution Moving to Node #0,1,0 Current State: 65:[69, 32], Operations: ['38+31=69', '53-21=32'] Exploring Operation: 69-32=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 69+32=101, Resulting Numbers: [101] 101,65 unequal: No Solution Exploring Operation: 69*32=2208, Resulting Numbers: [2208] 2208,65 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:[21, 31, 15], Operations: ['53-38=15'] Exploring Operation: 31-21=10, Resulting Numbers: [15, 10] Generated Node #0,2,0: 65:[15, 10] Operation: 31-21=10 Exploring Operation: 21+31=52, Resulting Numbers: [15, 52] Generated Node #0,2,1: 65:[15, 52] Operation: 21+31=52 Exploring Operation: 31-15=16, Resulting Numbers: [21, 16] Generated Node #0,2,2: 65:[21, 16] Operation: 31-15=16 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 65:[15, 10], Operations: ['53-38=15', '31-21=10'] Exploring Operation: 15+10=25, Resulting Numbers: [25] 25,65 unequal: No Solution Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 15*10=150, Resulting Numbers: [150] 150,65 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:[21, 16], Operations: ['53-38=15', '31-15=16'] Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 21*16=336, Resulting Numbers: [336] 336,65 unequal: No Solution Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,65 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:[15, 52], Operations: ['53-38=15', '21+31=52'] Exploring Operation: 15+52=67, Resulting Numbers: [67] 67,65 unequal: No Solution Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,65 unequal: No Solution Exploring Operation: 15*52=780, Resulting Numbers: [780] 780,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 3, 19, 61, 47 ]
92
[ "19-3=16", "61+47=108", "108-16=92" ]
Current State: 92:[3, 19, 61, 47], Operations: [] Exploring Operation: 19-3=16, Resulting Numbers: [61, 47, 16] Generated Node #2: [61, 47, 16] from Operation: 19-3=16 Current State: 92:[61, 47, 16], Operations: ['19-3=16'] Exploring Operation: 61+47=108, Resulting Numbers: [16, 108] Generated Node #3: [16, 108] from Operation: 61+47=108 Current State: 92:[16, 108], Operations: ['19-3=16', '61+47=108'] Exploring Operation: 108-16=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[3, 19, 61, 47], Operations: [] Exploring Operation: 19+61=80, Resulting Numbers: [3, 47, 80] Generated Node #0,0: 92:[3, 47, 80] Operation: 19+61=80 Exploring Operation: 3+19=22, Resulting Numbers: [61, 47, 22] Generated Node #0,1: 92:[61, 47, 22] Operation: 3+19=22 Exploring Operation: 61-47=14, Resulting Numbers: [3, 19, 14] Generated Node #0,2: 92:[3, 19, 14] Operation: 61-47=14 Exploring Operation: 61-19=42, Resulting Numbers: [3, 47, 42] Generated Node #0,3: 92:[3, 47, 42] Operation: 61-19=42 Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[3, 47, 42], Operations: ['61-19=42'] Exploring Operation: 47-42=5, Resulting Numbers: [3, 5] Generated Node #0,3,0: 92:[3, 5] Operation: 47-42=5 Exploring Operation: 47-3=44, Resulting Numbers: [42, 44] Generated Node #0,3,1: 92:[42, 44] Operation: 47-3=44 Exploring Operation: 47+42=89, Resulting Numbers: [3, 89] Generated Node #0,3,2: 92:[3, 89] Operation: 47+42=89 Exploring Operation: 3+42=45, Resulting Numbers: [47, 45] Generated Node #0,3,3: 92:[47, 45] Operation: 3+42=45 Moving to Node #0,3,0 Current State: 92:[3, 5], Operations: ['61-19=42', '47-42=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,92 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,92 unequal: No Solution Moving to Node #0,3,3 Current State: 92:[47, 45], Operations: ['61-19=42', '3+42=45'] Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[3, 19, 61, 47], Operations: [] Exploring Operation: 61-19=42, Resulting Numbers: [3, 47, 42] Generated Node #0,3: 92:[3, 47, 42] Operation: 61-19=42 Moving to Node #0,3 Current State: 92:[3, 47, 42], Operations: ['61-19=42'] Exploring Operation: 3+42=45, Resulting Numbers: [47, 45] Generated Node #0,3,3: 92:[47, 45] Operation: 3+42=45 Moving to Node #0,3,3 Current State: 92:[47, 45], Operations: ['61-19=42', '3+42=45'] Exploring Operation: 47+45=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
sum_heuristic
[ 63, 92, 90, 60 ]
75
[ "92*90=8280", "8280/60=138", "138-63=75" ]
Current State: 75:[63, 92, 90, 60], Operations: [] Exploring Operation: 92*90=8280, Resulting Numbers: [63, 60, 8280] Generated Node #2: [63, 60, 8280] from Operation: 92*90=8280 Current State: 75:[63, 60, 8280], Operations: ['92*90=8280'] Exploring Operation: 8280/60=138, Resulting Numbers: [63, 138] Generated Node #3: [63, 138] from Operation: 8280/60=138 Current State: 75:[63, 138], Operations: ['92*90=8280', '8280/60=138'] Exploring Operation: 138-63=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[63, 92, 90, 60], Operations: [] Exploring Operation: 92-90=2, Resulting Numbers: [63, 60, 2] Generated Node #0,0: 75:[63, 60, 2] Operation: 92-90=2 Exploring Operation: 63-60=3, Resulting Numbers: [92, 90, 3] Generated Node #0,1: 75:[92, 90, 3] Operation: 63-60=3 Moving to Node #0,0 Current State: 75:[63, 60, 2], Operations: ['92-90=2'] Exploring Operation: 60/2=30, Resulting Numbers: [63, 30] Generated Node #0,0,0: 75:[63, 30] Operation: 60/2=30 Exploring Operation: 63-60=3, Resulting Numbers: [2, 3] Generated Node #0,0,1: 75:[2, 3] Operation: 63-60=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 75:[2, 3], Operations: ['92-90=2', '63-60=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,75 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 75:[63, 30], Operations: ['92-90=2', '60/2=30'] Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,75 unequal: No Solution Exploring Operation: 63+30=93, Resulting Numbers: [93] 93,75 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: 75:[92, 90, 3], Operations: ['63-60=3'] Exploring Operation: 92-90=2, Resulting Numbers: [3, 2] Generated Node #0,1,0: 75:[3, 2] Operation: 92-90=2 Exploring Operation: 90/3=30, Resulting Numbers: [92, 30] Generated Node #0,1,1: 75:[92, 30] Operation: 90/3=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 75:[3, 2], Operations: ['63-60=3', '92-90=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 75:[92, 30], Operations: ['63-60=3', '90/3=30'] Exploring Operation: 92+30=122, Resulting Numbers: [122] 122,75 unequal: No Solution Exploring Operation: 92-30=62, Resulting Numbers: [62] 62,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 16, 14, 50, 44 ]
48
[ "44-16=28", "28/14=2", "50-2=48" ]
Current State: 48:[16, 14, 50, 44], Operations: [] Exploring Operation: 44-16=28, Resulting Numbers: [14, 50, 28] Generated Node #2: [14, 50, 28] from Operation: 44-16=28 Current State: 48:[14, 50, 28], Operations: ['44-16=28'] Exploring Operation: 28/14=2, Resulting Numbers: [50, 2] Generated Node #3: [50, 2] from Operation: 28/14=2 Current State: 48:[50, 2], Operations: ['44-16=28', '28/14=2'] Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[16, 14, 50, 44], Operations: [] Exploring Operation: 50-44=6, Resulting Numbers: [16, 14, 6] Generated Node #0,0: 48:[16, 14, 6] Operation: 50-44=6 Exploring Operation: 16-14=2, Resulting Numbers: [50, 44, 2] Generated Node #0,1: 48:[50, 44, 2] Operation: 16-14=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 48:[16, 14, 6], Operations: ['50-44=6'] Exploring Operation: 16-14=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 48:[6, 2] Operation: 16-14=2 Exploring Operation: 14-6=8, Resulting Numbers: [16, 8] Generated Node #0,0,1: 48:[16, 8] Operation: 14-6=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 48:[6, 2], Operations: ['50-44=6', '16-14=2'] Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,48 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 48:[16, 8], Operations: ['50-44=6', '14-6=8'] Exploring Operation: 16-8=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 48:[50, 44, 2], Operations: ['16-14=2'] Exploring Operation: 50-2=48, Resulting Numbers: [44, 48] Generated Node #0,1,0: 48:[44, 48] Operation: 50-2=48 Exploring Operation: 50-44=6, Resulting Numbers: [2, 6] Generated Node #0,1,1: 48:[2, 6] Operation: 50-44=6 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 48:[2, 6], Operations: ['16-14=2', '50-44=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 48:[44, 48], Operations: ['16-14=2', '50-2=48'] Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 44+48=92, Resulting Numbers: [92] 92,48 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 54, 52, 96, 3 ]
97
[ "54-52=2", "96+3=99", "99-2=97" ]
Current State: 97:[54, 52, 96, 3], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [96, 3, 2] Generated Node #2: [96, 3, 2] from Operation: 54-52=2 Current State: 97:[96, 3, 2], Operations: ['54-52=2'] Exploring Operation: 96+3=99, Resulting Numbers: [2, 99] Generated Node #3: [2, 99] from Operation: 96+3=99 Current State: 97:[2, 99], Operations: ['54-52=2', '96+3=99'] Exploring Operation: 99-2=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[54, 52, 96, 3], Operations: [] Exploring Operation: 54+3=57, Resulting Numbers: [52, 96, 57] Generated Node #0,0: 97:[52, 96, 57] Operation: 54+3=57 Exploring Operation: 52+3=55, Resulting Numbers: [54, 96, 55] Generated Node #0,1: 97:[54, 96, 55] Operation: 52+3=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[52, 96, 57], Operations: ['54+3=57'] Exploring Operation: 52+96=148, Resulting Numbers: [57, 148] Generated Node #0,0,0: 97:[57, 148] Operation: 52+96=148 Exploring Operation: 52+57=109, Resulting Numbers: [96, 109] Generated Node #0,0,1: 97:[96, 109] Operation: 52+57=109 Moving to Node #0,0,1 Current State: 97:[96, 109], Operations: ['54+3=57', '52+57=109'] Exploring Operation: 109-96=13, Resulting Numbers: [13] 13,97 unequal: No Solution Exploring Operation: 96+109=205, Resulting Numbers: [205] 205,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[57, 148], Operations: ['54+3=57', '52+96=148'] Exploring Operation: 57+148=205, Resulting Numbers: [205] 205,97 unequal: No Solution Exploring Operation: 148-57=91, Resulting Numbers: [91] 91,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[54, 96, 55], Operations: ['52+3=55'] Exploring Operation: 54+55=109, Resulting Numbers: [96, 109] Generated Node #0,1,0: 97:[96, 109] Operation: 54+55=109 Exploring Operation: 54+96=150, Resulting Numbers: [55, 150] Generated Node #0,1,1: 97:[55, 150] Operation: 54+96=150 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[96, 109], Operations: ['52+3=55', '54+55=109'] Exploring Operation: 109-96=13, Resulting Numbers: [13] 13,97 unequal: No Solution Exploring Operation: 96+109=205, Resulting Numbers: [205] 205,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[55, 150], Operations: ['52+3=55', '54+96=150'] Exploring Operation: 55+150=205, Resulting Numbers: [205] 205,97 unequal: No Solution Exploring Operation: 150-55=95, Resulting Numbers: [95] 95,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 46, 66, 38, 1 ]
73
[ "46+66=112", "38+1=39", "112-39=73" ]
Current State: 73:[46, 66, 38, 1], Operations: [] Exploring Operation: 46+66=112, Resulting Numbers: [38, 1, 112] Generated Node #2: [38, 1, 112] from Operation: 46+66=112 Current State: 73:[38, 1, 112], Operations: ['46+66=112'] Exploring Operation: 38+1=39, Resulting Numbers: [112, 39] Generated Node #3: [112, 39] from Operation: 38+1=39 Current State: 73:[112, 39], Operations: ['46+66=112', '38+1=39'] Exploring Operation: 112-39=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[46, 66, 38, 1], Operations: [] Exploring Operation: 46+1=47, Resulting Numbers: [66, 38, 47] Generated Node #0,0: 73:[66, 38, 47] Operation: 46+1=47 Exploring Operation: 66+1=67, Resulting Numbers: [46, 38, 67] Generated Node #0,1: 73:[46, 38, 67] Operation: 66+1=67 Moving to Node #0,0 Current State: 73:[66, 38, 47], Operations: ['46+1=47'] Exploring Operation: 66+38=104, Resulting Numbers: [47, 104] Generated Node #0,0,0: 73:[47, 104] Operation: 66+38=104 Exploring Operation: 38+47=85, Resulting Numbers: [66, 85] Generated Node #0,0,1: 73:[66, 85] Operation: 38+47=85 Moving to Node #0,1 Current State: 73:[46, 38, 67], Operations: ['66+1=67'] Exploring Operation: 46+38=84, Resulting Numbers: [67, 84] Generated Node #0,1,0: 73:[67, 84] Operation: 46+38=84 Exploring Operation: 38+67=105, Resulting Numbers: [46, 105] Generated Node #0,1,1: 73:[46, 105] Operation: 38+67=105 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 73:[67, 84], Operations: ['66+1=67', '46+38=84'] Exploring Operation: 84-67=17, Resulting Numbers: [17] 17,73 unequal: No Solution Exploring Operation: 67+84=151, Resulting Numbers: [151] 151,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 73:[46, 105], Operations: ['66+1=67', '38+67=105'] Exploring Operation: 105-46=59, Resulting Numbers: [59] 59,73 unequal: No Solution Exploring Operation: 46+105=151, Resulting Numbers: [151] 151,73 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: 73:[66, 85], Operations: ['46+1=47', '38+47=85'] Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,73 unequal: No Solution Exploring Operation: 66+85=151, Resulting Numbers: [151] 151,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[47, 104], Operations: ['46+1=47', '66+38=104'] Exploring Operation: 104-47=57, Resulting Numbers: [57] 57,73 unequal: No Solution Exploring Operation: 47+104=151, Resulting Numbers: [151] 151,73 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 79, 4, 47, 36 ]
94
[ "79+4=83", "47-36=11", "83+11=94" ]
Current State: 94:[79, 4, 47, 36], Operations: [] Exploring Operation: 79+4=83, Resulting Numbers: [47, 36, 83] Generated Node #2: [47, 36, 83] from Operation: 79+4=83 Current State: 94:[47, 36, 83], Operations: ['79+4=83'] Exploring Operation: 47-36=11, Resulting Numbers: [83, 11] Generated Node #3: [83, 11] from Operation: 47-36=11 Current State: 94:[83, 11], Operations: ['79+4=83', '47-36=11'] Exploring Operation: 83+11=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[79, 4, 47, 36], Operations: [] Exploring Operation: 79+4=83, Resulting Numbers: [47, 36, 83] Generated Node #0,0: 94:[47, 36, 83] Operation: 79+4=83 Exploring Operation: 4+36=40, Resulting Numbers: [79, 47, 40] Generated Node #0,1: 94:[79, 47, 40] Operation: 4+36=40 Exploring Operation: 36/4=9, Resulting Numbers: [79, 47, 9] Generated Node #0,2: 94:[79, 47, 9] Operation: 36/4=9 Exploring Operation: 79-36=43, Resulting Numbers: [4, 47, 43] Generated Node #0,3: 94:[4, 47, 43] Operation: 79-36=43 Start Sub Search at level 1: Moving to Node #0,3 Current State: 94:[4, 47, 43], Operations: ['79-36=43'] Exploring Operation: 47+43=90, Resulting Numbers: [4, 90] Generated Node #0,3,0: 94:[4, 90] Operation: 47+43=90 Exploring Operation: 4+47=51, Resulting Numbers: [43, 51] Generated Node #0,3,1: 94:[43, 51] Operation: 4+47=51 Exploring Operation: 47-43=4, Resulting Numbers: [4, 4] Generated Node #0,3,2: 94:[4, 4] Operation: 47-43=4 Exploring Operation: 4+43=47, Resulting Numbers: [47, 47] Generated Node #0,3,3: 94:[47, 47] Operation: 4+43=47 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 94:[47, 47], Operations: ['79-36=43', '4+43=47'] Exploring Operation: 47*47=2209, Resulting Numbers: [2209] 2209,94 unequal: No Solution Exploring Operation: 47/47=1, Resulting Numbers: [1] 1,94 unequal: No Solution Exploring Operation: 47+47=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[79, 4, 47, 36], Operations: [] Exploring Operation: 79-36=43, Resulting Numbers: [4, 47, 43] Generated Node #0,3: 94:[4, 47, 43] Operation: 79-36=43 Moving to Node #0,3 Current State: 94:[4, 47, 43], Operations: ['79-36=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47, 47] Generated Node #0,3,3: 94:[47, 47] Operation: 4+43=47 Moving to Node #0,3,3 Current State: 94:[47, 47], Operations: ['79-36=43', '4+43=47'] Exploring Operation: 47+47=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 44, 44, 66, 83 ]
26
[ "83-44=39", "44*39=1716", "1716/66=26" ]
Current State: 26:[44, 44, 66, 83], Operations: [] Exploring Operation: 83-44=39, Resulting Numbers: [66, 39] Generated Node #2: [66, 39] from Operation: 83-44=39 Current State: 26:[66, 39], Operations: ['83-44=39'] Exploring Operation: 44*39=1716, Resulting Numbers: [66, 1716] Generated Node #3: [66, 1716] from Operation: 44*39=1716 Current State: 26:[66, 1716], Operations: ['83-44=39', '44*39=1716'] Exploring Operation: 1716/66=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[44, 44, 66, 83], Operations: [] Exploring Operation: 83-66=17, Resulting Numbers: [44, 44, 17] Generated Node #0,0: 26:[44, 44, 17] Operation: 83-66=17 Exploring Operation: 83-44=39, Resulting Numbers: [44, 66, 39] Generated Node #0,1: 26:[44, 66, 39] Operation: 83-44=39 Exploring Operation: 83-44=39, Resulting Numbers: [44, 66, 39] Generated Node #0,2: 26:[44, 66, 39] Operation: 83-44=39 Exploring Operation: 66-44=22, Resulting Numbers: [44, 83, 22] Generated Node #0,3: 26:[44, 83, 22] Operation: 66-44=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[44, 44, 17], Operations: ['83-66=17'] Exploring Operation: 44/44=1, Resulting Numbers: [17, 1] Generated Node #0,0,0: 26:[17, 1] Operation: 44/44=1 Exploring Operation: 44-17=27, Resulting Numbers: [44, 27] Generated Node #0,0,1: 26:[44, 27] Operation: 44-17=27 Exploring Operation: 44-17=27, Resulting Numbers: [44, 27] Generated Node #0,0,2: 26:[44, 27] Operation: 44-17=27 Exploring Operation: 44-44=0, Resulting Numbers: [17, 0] Generated Node #0,0,3: 26:[17, 0] Operation: 44-44=0 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[17, 1], Operations: ['83-66=17', '44/44=1'] Exploring Operation: 17+1=18, Resulting Numbers: [18] 18,26 unequal: No Solution Exploring Operation: 17/1=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 17*1=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 17-1=16, Resulting Numbers: [16] 16,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 26:[17, 0], Operations: ['83-66=17', '44-44=0'] Exploring Operation: 17+0=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 17-0=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 17*0=0, Resulting Numbers: [0] 0,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 26:[44, 27], Operations: ['83-66=17', '44-17=27'] Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,26 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 26:[44, 27], Operations: ['83-66=17', '44-17=27'] Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,26 unequal: No Solution Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 44-27=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 #0,1 Current State: 26:[44, 66, 39], Operations: ['83-44=39'] Exploring Operation: 44-39=5, Resulting Numbers: [66, 5] Generated Node #0,1,0: 26:[66, 5] Operation: 44-39=5 Exploring Operation: 66-39=27, Resulting Numbers: [44, 27] Generated Node #0,1,1: 26:[44, 27] Operation: 66-39=27 Exploring Operation: 44+66=110, Resulting Numbers: [39, 110] Generated Node #0,1,2: 26:[39, 110] Operation: 44+66=110 Exploring Operation: 66-44=22, Resulting Numbers: [39, 22] Generated Node #0,1,3: 26:[39, 22] Operation: 66-44=22 Moving to Node #0,1,3 Current State: 26:[39, 22], Operations: ['83-44=39', '66-44=22'] Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 39*22=858, Resulting Numbers: [858] 858,26 unequal: No Solution Exploring Operation: 39+22=61, Resulting Numbers: [61] 61,26 unequal: No Solution Moving to Node #0,1,1 Current State: 26:[44, 27], Operations: ['83-44=39', '66-39=27'] Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,26 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,26 unequal: No Solution Moving to Node #0,1,0 Current State: 26:[66, 5], Operations: ['83-44=39', '44-39=5'] Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,26 unequal: No Solution Exploring Operation: 66+5=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 66*5=330, Resulting Numbers: [330] 330,26 unequal: No Solution Moving to Node #0,1,2 Current State: 26:[39, 110], Operations: ['83-44=39', '44+66=110'] Exploring Operation: 39+110=149, Resulting Numbers: [149] 149,26 unequal: No Solution Exploring Operation: 39*110=4290, Resulting Numbers: [4290] 4290,26 unequal: No Solution Exploring Operation: 110-39=71, Resulting Numbers: [71] 71,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 26:[44, 66, 39], Operations: ['83-44=39'] Exploring Operation: 44+66=110, Resulting Numbers: [39, 110] Generated Node #0,2,0: 26:[39, 110] Operation: 44+66=110 Exploring Operation: 44-39=5, Resulting Numbers: [66, 5] Generated Node #0,2,1: 26:[66, 5] Operation: 44-39=5 Exploring Operation: 66-44=22, Resulting Numbers: [39, 22] Generated Node #0,2,2: 26:[39, 22] Operation: 66-44=22 Exploring Operation: 66-39=27, Resulting Numbers: [44, 27] Generated Node #0,2,3: 26:[44, 27] Operation: 66-39=27 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 26:[39, 22], Operations: ['83-44=39', '66-44=22'] Exploring Operation: 39+22=61, Resulting Numbers: [61] 61,26 unequal: No Solution Exploring Operation: 39*22=858, Resulting Numbers: [858] 858,26 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,26 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 #0,2,3 Current State: 26:[44, 27], Operations: ['83-44=39', '66-39=27'] Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,26 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,26 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 #0,2,1 Current State: 26:[66, 5], Operations: ['83-44=39', '44-39=5'] Exploring Operation: 66*5=330, Resulting Numbers: [330] 330,26 unequal: No Solution Exploring Operation: 66+5=71, Resulting Numbers: [71] 71,26 unequal: No Solution Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,26 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 #0,2,0 Current State: 26:[39, 110], Operations: ['83-44=39', '44+66=110'] Exploring Operation: 39+110=149, Resulting Numbers: [149] 149,26 unequal: No Solution Exploring Operation: 39*110=4290, Resulting Numbers: [4290] 4290,26 unequal: No Solution Exploring Operation: 110-39=71, Resulting Numbers: [71] 71,26 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 #0,3 Current State: 26:[44, 83, 22], Operations: ['66-44=22'] Exploring Operation: 83-44=39, Resulting Numbers: [22, 39] Generated Node #0,3,0: 26:[22, 39] Operation: 83-44=39 Exploring Operation: 44/22=2, Resulting Numbers: [83, 2] Generated Node #0,3,1: 26:[83, 2] Operation: 44/22=2 Exploring Operation: 83-22=61, Resulting Numbers: [44, 61] Generated Node #0,3,2: 26:[44, 61] Operation: 83-22=61 Exploring Operation: 44-22=22, Resulting Numbers: [83, 22] Generated Node #0,3,3: 26:[83, 22] Operation: 44-22=22 Moving to Node #0,3,0 Current State: 26:[22, 39], Operations: ['66-44=22', '83-44=39'] Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,26 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,26 unequal: No Solution Moving to Node #0,3,2 Current State: 26:[44, 61], Operations: ['66-44=22', '83-22=61'] Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,26 unequal: No Solution Exploring Operation: 44*61=2684, Resulting Numbers: [2684] 2684,26 unequal: No Solution Exploring Operation: 44+61=105, Resulting Numbers: [105] 105,26 unequal: No Solution Moving to Node #0,3,1 Current State: 26:[83, 2], Operations: ['66-44=22', '44/22=2'] Exploring Operation: 83*2=166, Resulting Numbers: [166] 166,26 unequal: No Solution Exploring Operation: 83-2=81, Resulting Numbers: [81] 81,26 unequal: No Solution Exploring Operation: 83+2=85, Resulting Numbers: [85] 85,26 unequal: No Solution Moving to Node #0,3,3 Current State: 26:[83, 22], Operations: ['66-44=22', '44-22=22'] Exploring Operation: 83*22=1826, Resulting Numbers: [1826] 1826,26 unequal: No Solution Exploring Operation: 83+22=105, Resulting Numbers: [105] 105,26 unequal: No Solution Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 72, 70, 16, 61 ]
24
[ "70-61=9", "72/9=8", "16+8=24" ]
Current State: 24:[72, 70, 16, 61], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [72, 16, 9] Generated Node #2: [72, 16, 9] from Operation: 70-61=9 Current State: 24:[72, 16, 9], Operations: ['70-61=9'] Exploring Operation: 72/9=8, Resulting Numbers: [16, 8] Generated Node #3: [16, 8] from Operation: 72/9=8 Current State: 24:[16, 8], Operations: ['70-61=9', '72/9=8'] Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[72, 70, 16, 61], Operations: [] Exploring Operation: 72-70=2, Resulting Numbers: [16, 61, 2] Generated Node #0,0: 24:[16, 61, 2] Operation: 72-70=2 Exploring Operation: 72-61=11, Resulting Numbers: [70, 16, 11] Generated Node #0,1: 24:[70, 16, 11] Operation: 72-61=11 Exploring Operation: 70-61=9, Resulting Numbers: [72, 16, 9] Generated Node #0,2: 24:[72, 16, 9] Operation: 70-61=9 Exploring Operation: 72-16=56, Resulting Numbers: [70, 61, 56] Generated Node #0,3: 24:[70, 61, 56] Operation: 72-16=56 Moving to Node #0,0 Current State: 24:[16, 61, 2], Operations: ['72-70=2'] Exploring Operation: 61-2=59, Resulting Numbers: [16, 59] Generated Node #0,0,0: 24:[16, 59] Operation: 61-2=59 Exploring Operation: 61-16=45, Resulting Numbers: [2, 45] Generated Node #0,0,1: 24:[2, 45] Operation: 61-16=45 Exploring Operation: 16-2=14, Resulting Numbers: [61, 14] Generated Node #0,0,2: 24:[61, 14] Operation: 16-2=14 Exploring Operation: 16/2=8, Resulting Numbers: [61, 8] Generated Node #0,0,3: 24:[61, 8] Operation: 16/2=8 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 24:[2, 45], Operations: ['72-70=2', '61-16=45'] Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,24 unequal: No Solution Exploring Operation: 2+45=47, Resulting Numbers: [47] 47,24 unequal: No Solution Exploring Operation: 2*45=90, Resulting Numbers: [90] 90,24 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 #0,0,3 Current State: 24:[61, 8], Operations: ['72-70=2', '16/2=8'] Exploring Operation: 61-8=53, Resulting Numbers: [53] 53,24 unequal: No Solution Exploring Operation: 61+8=69, Resulting Numbers: [69] 69,24 unequal: No Solution Exploring Operation: 61*8=488, Resulting Numbers: [488] 488,24 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 #0,0,0 Current State: 24:[16, 59], Operations: ['72-70=2', '61-2=59'] Exploring Operation: 16+59=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,24 unequal: No Solution Exploring Operation: 16*59=944, Resulting Numbers: [944] 944,24 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 #0,0,2 Current State: 24:[61, 14], Operations: ['72-70=2', '16-2=14'] Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,24 unequal: No Solution Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,24 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: 24:[70, 16, 11], Operations: ['72-61=11'] Exploring Operation: 16-11=5, Resulting Numbers: [70, 5] Generated Node #0,1,0: 24:[70, 5] Operation: 16-11=5 Exploring Operation: 70-16=54, Resulting Numbers: [11, 54] Generated Node #0,1,1: 24:[11, 54] Operation: 70-16=54 Exploring Operation: 70-11=59, Resulting Numbers: [16, 59] Generated Node #0,1,2: 24:[16, 59] Operation: 70-11=59 Exploring Operation: 16+11=27, Resulting Numbers: [70, 27] Generated Node #0,1,3: 24:[70, 27] Operation: 16+11=27 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 24:[11, 54], Operations: ['72-61=11', '70-16=54'] Exploring Operation: 11*54=594, Resulting Numbers: [594] 594,24 unequal: No Solution Exploring Operation: 11+54=65, Resulting Numbers: [65] 65,24 unequal: No Solution Exploring Operation: 54-11=43, Resulting Numbers: [43] 43,24 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 #0,1,2 Current State: 24:[16, 59], Operations: ['72-61=11', '70-11=59'] Exploring Operation: 59-16=43, Resulting Numbers: [43] 43,24 unequal: No Solution Exploring Operation: 16+59=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 16*59=944, Resulting Numbers: [944] 944,24 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 #0,1,0 Current State: 24:[70, 5], Operations: ['72-61=11', '16-11=5'] Exploring Operation: 70+5=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 70*5=350, Resulting Numbers: [350] 350,24 unequal: No Solution Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,24 unequal: No Solution Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,24 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 #0,1,3 Current State: 24:[70, 27], Operations: ['72-61=11', '16+11=27'] Exploring Operation: 70+27=97, Resulting Numbers: [97] 97,24 unequal: No Solution Exploring Operation: 70*27=1890, Resulting Numbers: [1890] 1890,24 unequal: No Solution Exploring Operation: 70-27=43, Resulting Numbers: [43] 43,24 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: 24:[72, 16, 9], Operations: ['70-61=9'] Exploring Operation: 72/9=8, Resulting Numbers: [16, 8] Generated Node #0,2,0: 24:[16, 8] Operation: 72/9=8 Exploring Operation: 16+9=25, Resulting Numbers: [72, 25] Generated Node #0,2,1: 24:[72, 25] Operation: 16+9=25 Exploring Operation: 72-9=63, Resulting Numbers: [16, 63] Generated Node #0,2,2: 24:[16, 63] Operation: 72-9=63 Exploring Operation: 72-16=56, Resulting Numbers: [9, 56] Generated Node #0,2,3: 24:[9, 56] Operation: 72-16=56 Moving to Node #0,3 Current State: 24:[70, 61, 56], Operations: ['72-16=56'] Exploring Operation: 61-56=5, Resulting Numbers: [70, 5] Generated Node #0,3,0: 24:[70, 5] Operation: 61-56=5 Exploring Operation: 70-61=9, Resulting Numbers: [56, 9] Generated Node #0,3,1: 24:[56, 9] Operation: 70-61=9 Exploring Operation: 70+61=131, Resulting Numbers: [56, 131] Generated Node #0,3,2: 24:[56, 131] Operation: 70+61=131 Exploring Operation: 70-56=14, Resulting Numbers: [61, 14] Generated Node #0,3,3: 24:[61, 14] Operation: 70-56=14 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 24:[56, 9], Operations: ['72-16=56', '70-61=9'] Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,24 unequal: No Solution Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,24 unequal: No Solution Exploring Operation: 56*9=504, Resulting Numbers: [504] 504,24 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 #0,3,3 Current State: 24:[61, 14], Operations: ['72-16=56', '70-56=14'] Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,24 unequal: No Solution Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 61-14=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 #0,3,0 Current State: 24:[70, 5], Operations: ['72-16=56', '61-56=5'] Exploring Operation: 70/5=14, Resulting Numbers: [14] 14,24 unequal: No Solution Exploring Operation: 70+5=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 70-5=65, Resulting Numbers: [65] 65,24 unequal: No Solution Exploring Operation: 70*5=350, Resulting Numbers: [350] 350,24 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 #0,3,2 Current State: 24:[56, 131], Operations: ['72-16=56', '70+61=131'] Exploring Operation: 56*131=7336, Resulting Numbers: [7336] 7336,24 unequal: No Solution Exploring Operation: 131-56=75, Resulting Numbers: [75] 75,24 unequal: No Solution Exploring Operation: 56+131=187, Resulting Numbers: [187] 187,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,0 Current State: 24:[16, 8], Operations: ['70-61=9', '72/9=8'] Exploring Operation: 16/8=2, Resulting Numbers: [2] 2,24 unequal: No Solution Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[72, 70, 16, 61], Operations: [] Exploring Operation: 70-61=9, Resulting Numbers: [72, 16, 9] Generated Node #0,2: 24:[72, 16, 9] Operation: 70-61=9 Moving to Node #0,2 Current State: 24:[72, 16, 9], Operations: ['70-61=9'] Exploring Operation: 72/9=8, Resulting Numbers: [16, 8] Generated Node #0,2,0: 24:[16, 8] Operation: 72/9=8 Moving to Node #0,2,0 Current State: 24:[16, 8], Operations: ['70-61=9', '72/9=8'] Exploring Operation: 16+8=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.944444
hs_4
mult_heuristic
[ 91, 86, 41, 66 ]
20
[ "91-86=5", "66-41=25", "25-5=20" ]
Current State: 20:[91, 86, 41, 66], Operations: [] Exploring Operation: 91-86=5, Resulting Numbers: [41, 66, 5] Generated Node #2: [41, 66, 5] from Operation: 91-86=5 Current State: 20:[41, 66, 5], Operations: ['91-86=5'] Exploring Operation: 66-41=25, Resulting Numbers: [5, 25] Generated Node #3: [5, 25] from Operation: 66-41=25 Current State: 20:[5, 25], Operations: ['91-86=5', '66-41=25'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[91, 86, 41, 66], Operations: [] Exploring Operation: 91-66=25, Resulting Numbers: [86, 41, 25] Generated Node #0,0: 20:[86, 41, 25] Operation: 91-66=25 Exploring Operation: 91-86=5, Resulting Numbers: [41, 66, 5] Generated Node #0,1: 20:[41, 66, 5] Operation: 91-86=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[41, 66, 5], Operations: ['91-86=5'] Exploring Operation: 41-5=36, Resulting Numbers: [66, 36] Generated Node #0,1,0: 20:[66, 36] Operation: 41-5=36 Exploring Operation: 66-41=25, Resulting Numbers: [5, 25] Generated Node #0,1,1: 20:[5, 25] Operation: 66-41=25 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 20:[5, 25], Operations: ['91-86=5', '66-41=25'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,20 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[91, 86, 41, 66], Operations: [] Exploring Operation: 91-86=5, Resulting Numbers: [41, 66, 5] Generated Node #0,1: 20:[41, 66, 5] Operation: 91-86=5 Moving to Node #0,1 Current State: 20:[41, 66, 5], Operations: ['91-86=5'] Exploring Operation: 66-41=25, Resulting Numbers: [5, 25] Generated Node #0,1,1: 20:[5, 25] Operation: 66-41=25 Moving to Node #0,1,1 Current State: 20:[5, 25], Operations: ['91-86=5', '66-41=25'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 60, 54, 12, 57 ]
90
[ "60-57=3", "12*3=36", "54+36=90" ]
Current State: 90:[60, 54, 12, 57], Operations: [] Exploring Operation: 60-57=3, Resulting Numbers: [54, 12, 3] Generated Node #2: [54, 12, 3] from Operation: 60-57=3 Current State: 90:[54, 12, 3], Operations: ['60-57=3'] Exploring Operation: 12*3=36, Resulting Numbers: [54, 36] Generated Node #3: [54, 36] from Operation: 12*3=36 Current State: 90:[54, 36], Operations: ['60-57=3', '12*3=36'] Exploring Operation: 54+36=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[60, 54, 12, 57], Operations: [] Exploring Operation: 57-54=3, Resulting Numbers: [60, 12, 3] Generated Node #0,0: 90:[60, 12, 3] Operation: 57-54=3 Exploring Operation: 60-57=3, Resulting Numbers: [54, 12, 3] Generated Node #0,1: 90:[54, 12, 3] Operation: 60-57=3 Exploring Operation: 60-54=6, Resulting Numbers: [12, 57, 6] Generated Node #0,2: 90:[12, 57, 6] Operation: 60-54=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[54, 12, 3], Operations: ['60-57=3'] Exploring Operation: 54/3=18, Resulting Numbers: [12, 18] Generated Node #0,1,0: 90:[12, 18] Operation: 54/3=18 Exploring Operation: 54-3=51, Resulting Numbers: [12, 51] Generated Node #0,1,1: 90:[12, 51] Operation: 54-3=51 Exploring Operation: 54-12=42, Resulting Numbers: [3, 42] Generated Node #0,1,2: 90:[3, 42] Operation: 54-12=42 Moving to Node #0,1,0 Current State: 90:[12, 18], Operations: ['60-57=3', '54/3=18'] Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,90 unequal: No Solution Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[3, 42], Operations: ['60-57=3', '54-12=42'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,90 unequal: No Solution Exploring Operation: 42-3=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,90 unequal: No Solution Moving to Node #0,1,1 Current State: 90:[12, 51], Operations: ['60-57=3', '54-3=51'] Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,90 unequal: No Solution Exploring Operation: 12*51=612, Resulting Numbers: [612] 612,90 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 #0,2 Current State: 90:[12, 57, 6], Operations: ['60-54=6'] Exploring Operation: 12+6=18, Resulting Numbers: [57, 18] Generated Node #0,2,0: 90:[57, 18] Operation: 12+6=18 Exploring Operation: 57-6=51, Resulting Numbers: [12, 51] Generated Node #0,2,1: 90:[12, 51] Operation: 57-6=51 Exploring Operation: 57-12=45, Resulting Numbers: [6, 45] Generated Node #0,2,2: 90:[6, 45] Operation: 57-12=45 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 90:[6, 45], Operations: ['60-54=6', '57-12=45'] Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,90 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 6*45=270, Resulting Numbers: [270] 270,90 unequal: No Solution No 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: 90:[12, 51], Operations: ['60-54=6', '57-6=51'] Exploring Operation: 12*51=612, Resulting Numbers: [612] 612,90 unequal: No Solution Exploring Operation: 12+51=63, Resulting Numbers: [63] 63,90 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,90 unequal: No Solution No 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: 90:[57, 18], Operations: ['60-54=6', '12+6=18'] Exploring Operation: 57+18=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,90 unequal: No Solution Exploring Operation: 57*18=1026, Resulting Numbers: [1026] 1026,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[60, 12, 3], Operations: ['57-54=3'] Exploring Operation: 60/3=20, Resulting Numbers: [12, 20] Generated Node #0,0,0: 90:[12, 20] Operation: 60/3=20 Exploring Operation: 60/12=5, Resulting Numbers: [3, 5] Generated Node #0,0,1: 90:[3, 5] Operation: 60/12=5 Exploring Operation: 60-12=48, Resulting Numbers: [3, 48] Generated Node #0,0,2: 90:[3, 48] Operation: 60-12=48 Moving to Node #0,0,1 Current State: 90:[3, 5], Operations: ['57-54=3', '60/12=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,90 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[3, 48], Operations: ['57-54=3', '60-12=48'] Exploring Operation: 48/3=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 48-3=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[12, 20], Operations: ['57-54=3', '60/3=20'] Exploring Operation: 12*20=240, Resulting Numbers: [240] 240,90 unequal: No Solution Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,90 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 57, 41, 8, 34 ]
68
[ "57-41=16", "16/8=2", "34*2=68" ]
Current State: 68:[57, 41, 8, 34], Operations: [] Exploring Operation: 57-41=16, Resulting Numbers: [8, 34, 16] Generated Node #2: [8, 34, 16] from Operation: 57-41=16 Current State: 68:[8, 34, 16], Operations: ['57-41=16'] Exploring Operation: 16/8=2, Resulting Numbers: [34, 2] Generated Node #3: [34, 2] from Operation: 16/8=2 Current State: 68:[34, 2], Operations: ['57-41=16', '16/8=2'] Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[57, 41, 8, 34], Operations: [] Exploring Operation: 57+8=65, Resulting Numbers: [41, 34, 65] Generated Node #0,0: 68:[41, 34, 65] Operation: 57+8=65 Exploring Operation: 41-8=33, Resulting Numbers: [57, 34, 33] Generated Node #0,1: 68:[57, 34, 33] Operation: 41-8=33 Exploring Operation: 57-34=23, Resulting Numbers: [41, 8, 23] Generated Node #0,2: 68:[41, 8, 23] Operation: 57-34=23 Exploring Operation: 57-41=16, Resulting Numbers: [8, 34, 16] Generated Node #0,3: 68:[8, 34, 16] Operation: 57-41=16 Start Sub Search at level 1: Moving to Node #0,3 Current State: 68:[8, 34, 16], Operations: ['57-41=16'] Exploring Operation: 34-16=18, Resulting Numbers: [8, 18] Generated Node #0,3,0: 68:[8, 18] Operation: 34-16=18 Exploring Operation: 16-8=8, Resulting Numbers: [34, 8] Generated Node #0,3,1: 68:[34, 8] Operation: 16-8=8 Exploring Operation: 16/8=2, Resulting Numbers: [34, 2] Generated Node #0,3,2: 68:[34, 2] Operation: 16/8=2 Exploring Operation: 8+16=24, Resulting Numbers: [34, 24] Generated Node #0,3,3: 68:[34, 24] Operation: 8+16=24 Moving to Node #0,3,2 Current State: 68:[34, 2], Operations: ['57-41=16', '16/8=2'] Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[57, 41, 8, 34], Operations: [] Exploring Operation: 57-41=16, Resulting Numbers: [8, 34, 16] Generated Node #0,3: 68:[8, 34, 16] Operation: 57-41=16 Moving to Node #0,3 Current State: 68:[8, 34, 16], Operations: ['57-41=16'] Exploring Operation: 16/8=2, Resulting Numbers: [34, 2] Generated Node #0,3,2: 68:[34, 2] Operation: 16/8=2 Moving to Node #0,3,2 Current State: 68:[34, 2], Operations: ['57-41=16', '16/8=2'] Exploring Operation: 34*2=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 2, 60, 78, 83 ]
13
[ "2*78=156", "60+83=143", "156-143=13" ]
Current State: 13:[2, 60, 78, 83], Operations: [] Exploring Operation: 2*78=156, Resulting Numbers: [60, 83, 156] Generated Node #2: [60, 83, 156] from Operation: 2*78=156 Current State: 13:[60, 83, 156], Operations: ['2*78=156'] Exploring Operation: 60+83=143, Resulting Numbers: [156, 143] Generated Node #3: [156, 143] from Operation: 60+83=143 Current State: 13:[156, 143], Operations: ['2*78=156', '60+83=143'] Exploring Operation: 156-143=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[2, 60, 78, 83], Operations: [] Exploring Operation: 78-60=18, Resulting Numbers: [2, 83, 18] Generated Node #0,0: 13:[2, 83, 18] Operation: 78-60=18 Exploring Operation: 83-78=5, Resulting Numbers: [2, 60, 5] Generated Node #0,1: 13:[2, 60, 5] Operation: 83-78=5 Exploring Operation: 83-60=23, Resulting Numbers: [2, 78, 23] Generated Node #0,2: 13:[2, 78, 23] Operation: 83-60=23 Exploring Operation: 78/2=39, Resulting Numbers: [60, 83, 39] Generated Node #0,3: 13:[60, 83, 39] Operation: 78/2=39 Exploring Operation: 60/2=30, Resulting Numbers: [78, 83, 30] Generated Node #0,4: 13:[78, 83, 30] Operation: 60/2=30 Moving to Node #0,1 Current State: 13:[2, 60, 5], Operations: ['83-78=5'] Exploring Operation: 2*5=10, Resulting Numbers: [60, 10] Generated Node #0,1,0: 13:[60, 10] Operation: 2*5=10 Exploring Operation: 60/5=12, Resulting Numbers: [2, 12] Generated Node #0,1,1: 13:[2, 12] Operation: 60/5=12 Exploring Operation: 2+5=7, Resulting Numbers: [60, 7] Generated Node #0,1,2: 13:[60, 7] Operation: 2+5=7 Exploring Operation: 60-2=58, Resulting Numbers: [5, 58] Generated Node #0,1,3: 13:[5, 58] Operation: 60-2=58 Exploring Operation: 60/2=30, Resulting Numbers: [5, 30] Generated Node #0,1,4: 13:[5, 30] Operation: 60/2=30 Moving to Node #0,2 Current State: 13:[2, 78, 23], Operations: ['83-60=23'] Exploring Operation: 78-2=76, Resulting Numbers: [23, 76] Generated Node #0,2,0: 13:[23, 76] Operation: 78-2=76 Exploring Operation: 78/2=39, Resulting Numbers: [23, 39] Generated Node #0,2,1: 13:[23, 39] Operation: 78/2=39 Exploring Operation: 23-2=21, Resulting Numbers: [78, 21] Generated Node #0,2,2: 13:[78, 21] Operation: 23-2=21 Exploring Operation: 78-23=55, Resulting Numbers: [2, 55] Generated Node #0,2,3: 13:[2, 55] Operation: 78-23=55 Exploring Operation: 2+78=80, Resulting Numbers: [23, 80] Generated Node #0,2,4: 13:[23, 80] Operation: 2+78=80 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[23, 39], Operations: ['83-60=23', '78/2=39'] Exploring Operation: 23*39=897, Resulting Numbers: [897] 897,13 unequal: No Solution Exploring Operation: 23+39=62, Resulting Numbers: [62] 62,13 unequal: No Solution Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,13 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:[2, 55], Operations: ['83-60=23', '78-23=55'] Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,13 unequal: No Solution Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,13 unequal: No Solution Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,13 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 #0,2,0 Current State: 13:[23, 76], Operations: ['83-60=23', '78-2=76'] Exploring Operation: 76-23=53, Resulting Numbers: [53] 53,13 unequal: No Solution Exploring Operation: 23*76=1748, Resulting Numbers: [1748] 1748,13 unequal: No Solution Exploring Operation: 23+76=99, Resulting Numbers: [99] 99,13 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:[78, 21], Operations: ['83-60=23', '23-2=21'] Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,13 unequal: No Solution Exploring Operation: 78*21=1638, Resulting Numbers: [1638] 1638,13 unequal: No Solution Exploring Operation: 78+21=99, Resulting Numbers: [99] 99,13 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 #0,2,4 Current State: 13:[23, 80], Operations: ['83-60=23', '2+78=80'] Exploring Operation: 80-23=57, Resulting Numbers: [57] 57,13 unequal: No Solution Exploring Operation: 23+80=103, Resulting Numbers: [103] 103,13 unequal: No Solution Exploring Operation: 23*80=1840, Resulting Numbers: [1840] 1840,13 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:[2, 83, 18], Operations: ['78-60=18'] Exploring Operation: 2+83=85, Resulting Numbers: [18, 85] Generated Node #0,0,0: 13:[18, 85] Operation: 2+83=85 Exploring Operation: 18-2=16, Resulting Numbers: [83, 16] Generated Node #0,0,1: 13:[83, 16] Operation: 18-2=16 Exploring Operation: 83-18=65, Resulting Numbers: [2, 65] Generated Node #0,0,2: 13:[2, 65] Operation: 83-18=65 Exploring Operation: 83-2=81, Resulting Numbers: [18, 81] Generated Node #0,0,3: 13:[18, 81] Operation: 83-2=81 Exploring Operation: 18/2=9, Resulting Numbers: [83, 9] Generated Node #0,0,4: 13:[83, 9] Operation: 18/2=9 Moving to Node #0,3 Current State: 13:[60, 83, 39], Operations: ['78/2=39'] Exploring Operation: 83-39=44, Resulting Numbers: [60, 44] Generated Node #0,3,0: 13:[60, 44] Operation: 83-39=44 Exploring Operation: 83-60=23, Resulting Numbers: [39, 23] Generated Node #0,3,1: 13:[39, 23] Operation: 83-60=23 Exploring Operation: 60-39=21, Resulting Numbers: [83, 21] Generated Node #0,3,2: 13:[83, 21] Operation: 60-39=21 Exploring Operation: 60+39=99, Resulting Numbers: [83, 99] Generated Node #0,3,3: 13:[83, 99] Operation: 60+39=99 Exploring Operation: 60+83=143, Resulting Numbers: [39, 143] Generated Node #0,3,4: 13:[39, 143] Operation: 60+83=143 Moving to Node #0,4 Current State: 13:[78, 83, 30], Operations: ['60/2=30'] Exploring Operation: 78+30=108, Resulting Numbers: [83, 108] Generated Node #0,4,0: 13:[83, 108] Operation: 78+30=108 Exploring Operation: 83-78=5, Resulting Numbers: [30, 5] Generated Node #0,4,1: 13:[30, 5] Operation: 83-78=5 Exploring Operation: 78-30=48, Resulting Numbers: [83, 48] Generated Node #0,4,2: 13:[83, 48] Operation: 78-30=48 Exploring Operation: 78+83=161, Resulting Numbers: [30, 161] Generated Node #0,4,3: 13:[30, 161] Operation: 78+83=161 Exploring Operation: 83-30=53, Resulting Numbers: [78, 53] Generated Node #0,4,4: 13:[78, 53] Operation: 83-30=53 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 13:[30, 5], Operations: ['60/2=30', '83-78=5'] Exploring Operation: 30+5=35, Resulting Numbers: [35] 35,13 unequal: No Solution Exploring Operation: 30*5=150, Resulting Numbers: [150] 150,13 unequal: No Solution Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,13 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,13 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 #0,4,2 Current State: 13:[83, 48], Operations: ['60/2=30', '78-30=48'] Exploring Operation: 83*48=3984, Resulting Numbers: [3984] 3984,13 unequal: No Solution Exploring Operation: 83-48=35, Resulting Numbers: [35] 35,13 unequal: No Solution Exploring Operation: 83+48=131, Resulting Numbers: [131] 131,13 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 #0,4,4 Current State: 13:[78, 53], Operations: ['60/2=30', '83-30=53'] Exploring Operation: 78+53=131, Resulting Numbers: [131] 131,13 unequal: No Solution Exploring Operation: 78-53=25, Resulting Numbers: [25] 25,13 unequal: No Solution Exploring Operation: 78*53=4134, Resulting Numbers: [4134] 4134,13 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 #0,4,0 Current State: 13:[83, 108], Operations: ['60/2=30', '78+30=108'] Exploring Operation: 83*108=8964, Resulting Numbers: [8964] 8964,13 unequal: No Solution Exploring Operation: 108-83=25, Resulting Numbers: [25] 25,13 unequal: No Solution Exploring Operation: 83+108=191, Resulting Numbers: [191] 191,13 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 #0,4,3 Current State: 13:[30, 161], Operations: ['60/2=30', '78+83=161'] Exploring Operation: 30+161=191, Resulting Numbers: [191] 191,13 unequal: No Solution Exploring Operation: 30*161=4830, Resulting Numbers: [4830] 4830,13 unequal: No Solution Exploring Operation: 161-30=131, Resulting Numbers: [131] 131,13 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: 13:[2, 12], Operations: ['83-78=5', '60/5=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,13 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,13 unequal: No Solution Moving to Node #0,1,4 Current State: 13:[5, 30], Operations: ['83-78=5', '60/2=30'] Exploring Operation: 30-5=25, Resulting Numbers: [25] 25,13 unequal: No Solution Exploring Operation: 5*30=150, Resulting Numbers: [150] 150,13 unequal: No Solution Exploring Operation: 5+30=35, Resulting Numbers: [35] 35,13 unequal: No Solution Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,13 unequal: No Solution Moving to Node #0,3,1 Current State: 13:[39, 23], Operations: ['78/2=39', '83-60=23'] Exploring Operation: 39+23=62, Resulting Numbers: [62] 62,13 unequal: No Solution Exploring Operation: 39*23=897, Resulting Numbers: [897] 897,13 unequal: No Solution Exploring Operation: 39-23=16, Resulting Numbers: [16] 16,13 unequal: No Solution Moving to Node #0,1,0 Current State: 13:[60, 10], Operations: ['83-78=5', '2*5=10'] Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 60+10=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 60*10=600, Resulting Numbers: [600] 600,13 unequal: No Solution Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,13 unequal: No Solution Moving to Node #0,1,3 Current State: 13:[5, 58], Operations: ['83-78=5', '60-2=58'] Exploring Operation: 5+58=63, Resulting Numbers: [63] 63,13 unequal: No Solution Exploring Operation: 5*58=290, Resulting Numbers: [290] 290,13 unequal: No Solution Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,13 unequal: No Solution Moving to Node #0,1,2 Current State: 13:[60, 7], Operations: ['83-78=5', '2+5=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,13 unequal: No Solution Exploring Operation: 60*7=420, Resulting Numbers: [420] 420,13 unequal: No Solution Exploring Operation: 60+7=67, Resulting Numbers: [67] 67,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[2, 65], Operations: ['78-60=18', '83-18=65'] Exploring Operation: 2*65=130, Resulting Numbers: [130] 130,13 unequal: No Solution Exploring Operation: 2+65=67, Resulting Numbers: [67] 67,13 unequal: No Solution Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[83, 16], Operations: ['78-60=18', '18-2=16'] Exploring Operation: 83+16=99, Resulting Numbers: [99] 99,13 unequal: No Solution Exploring Operation: 83-16=67, Resulting Numbers: [67] 67,13 unequal: No Solution Exploring Operation: 83*16=1328, Resulting Numbers: [1328] 1328,13 unequal: No Solution Moving to Node #0,0,3 Current State: 13:[18, 81], Operations: ['78-60=18', '83-2=81'] Exploring Operation: 18*81=1458, Resulting Numbers: [1458] 1458,13 unequal: No Solution Exploring Operation: 81-18=63, Resulting Numbers: [63] 63,13 unequal: No Solution Exploring Operation: 18+81=99, Resulting Numbers: [99] 99,13 unequal: No Solution Moving to Node #0,0,4 Current State: 13:[83, 9], Operations: ['78-60=18', '18/2=9'] Exploring Operation: 83-9=74, Resulting Numbers: [74] 74,13 unequal: No Solution Exploring Operation: 83+9=92, Resulting Numbers: [92] 92,13 unequal: No Solution Exploring Operation: 83*9=747, Resulting Numbers: [747] 747,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[18, 85], Operations: ['78-60=18', '2+83=85'] Exploring Operation: 18*85=1530, Resulting Numbers: [1530] 1530,13 unequal: No Solution Exploring Operation: 18+85=103, Resulting Numbers: [103] 103,13 unequal: No Solution Exploring Operation: 85-18=67, Resulting Numbers: [67] 67,13 unequal: No Solution Moving to Node #0,3,0 Current State: 13:[60, 44], Operations: ['78/2=39', '83-39=44'] Exploring Operation: 60+44=104, Resulting Numbers: [104] 104,13 unequal: No Solution Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 60*44=2640, Resulting Numbers: [2640] 2640,13 unequal: No Solution Moving to Node #0,3,2 Current State: 13:[83, 21], Operations: ['78/2=39', '60-39=21'] Exploring Operation: 83-21=62, Resulting Numbers: [62] 62,13 unequal: No Solution Exploring Operation: 83+21=104, Resulting Numbers: [104] 104,13 unequal: No Solution Exploring Operation: 83*21=1743, Resulting Numbers: [1743] 1743,13 unequal: No Solution Moving to Node #0,3,4 Current State: 13:[39, 143], Operations: ['78/2=39', '60+83=143'] Exploring Operation: 39*143=5577, Resulting Numbers: [5577] 5577,13 unequal: No Solution Exploring Operation: 39+143=182, Resulting Numbers: [182] 182,13 unequal: No Solution Exploring Operation: 143-39=104, Resulting Numbers: [104] 104,13 unequal: No Solution Moving to Node #0,3,3 Current State: 13:[83, 99], Operations: ['78/2=39', '60+39=99'] Exploring Operation: 83+99=182, Resulting Numbers: [182] 182,13 unequal: No Solution Exploring Operation: 83*99=8217, Resulting Numbers: [8217] 8217,13 unequal: No Solution Exploring Operation: 99-83=16, Resulting Numbers: [16] 16,13 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 92, 30, 29, 44 ]
77
[ "92-30=62", "44-29=15", "62+15=77" ]
Current State: 77:[92, 30, 29, 44], Operations: [] Exploring Operation: 92-30=62, Resulting Numbers: [29, 44, 62] Generated Node #2: [29, 44, 62] from Operation: 92-30=62 Current State: 77:[29, 44, 62], Operations: ['92-30=62'] Exploring Operation: 44-29=15, Resulting Numbers: [62, 15] Generated Node #3: [62, 15] from Operation: 44-29=15 Current State: 77:[62, 15], Operations: ['92-30=62', '44-29=15'] Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[92, 30, 29, 44], Operations: [] Exploring Operation: 30+44=74, Resulting Numbers: [92, 29, 74] Generated Node #0,0: 77:[92, 29, 74] Operation: 30+44=74 Exploring Operation: 44-30=14, Resulting Numbers: [92, 29, 14] Generated Node #0,1: 77:[92, 29, 14] Operation: 44-30=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[92, 29, 74], Operations: ['30+44=74'] Exploring Operation: 92-29=63, Resulting Numbers: [74, 63] Generated Node #0,0,0: 77:[74, 63] Operation: 92-29=63 Exploring Operation: 92-74=18, Resulting Numbers: [29, 18] Generated Node #0,0,1: 77:[29, 18] Operation: 92-74=18 Moving to Node #0,0,0 Current State: 77:[74, 63], Operations: ['30+44=74', '92-29=63'] Exploring Operation: 74+63=137, Resulting Numbers: [137] 137,77 unequal: No Solution Exploring Operation: 74-63=11, Resulting Numbers: [11] 11,77 unequal: No Solution Moving to Node #0,0,1 Current State: 77:[29, 18], Operations: ['30+44=74', '92-74=18'] Exploring Operation: 29+18=47, Resulting Numbers: [47] 47,77 unequal: No Solution Exploring Operation: 29-18=11, Resulting Numbers: [11] 11,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 77:[92, 29, 14], Operations: ['44-30=14'] Exploring Operation: 92-14=78, Resulting Numbers: [29, 78] Generated Node #0,1,0: 77:[29, 78] Operation: 92-14=78 Exploring Operation: 92-29=63, Resulting Numbers: [14, 63] Generated Node #0,1,1: 77:[14, 63] Operation: 92-29=63 Moving to Node #0,1,1 Current State: 77:[14, 63], Operations: ['44-30=14', '92-29=63'] Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,77 unequal: No Solution Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[92, 30, 29, 44], Operations: [] Exploring Operation: 44-30=14, Resulting Numbers: [92, 29, 14] Generated Node #0,1: 77:[92, 29, 14] Operation: 44-30=14 Moving to Node #0,1 Current State: 77:[92, 29, 14], Operations: ['44-30=14'] Exploring Operation: 92-29=63, Resulting Numbers: [14, 63] Generated Node #0,1,1: 77:[14, 63] Operation: 92-29=63 Moving to Node #0,1,1 Current State: 77:[14, 63], Operations: ['44-30=14', '92-29=63'] Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 45, 18, 51, 42 ]
13
[ "51-42=9", "45/9=5", "18-5=13" ]
Current State: 13:[45, 18, 51, 42], Operations: [] Exploring Operation: 51-42=9, Resulting Numbers: [45, 18, 9] Generated Node #2: [45, 18, 9] from Operation: 51-42=9 Current State: 13:[45, 18, 9], Operations: ['51-42=9'] Exploring Operation: 45/9=5, Resulting Numbers: [18, 5] Generated Node #3: [18, 5] from Operation: 45/9=5 Current State: 13:[18, 5], Operations: ['51-42=9', '45/9=5'] Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[45, 18, 51, 42], Operations: [] Exploring Operation: 51-45=6, Resulting Numbers: [18, 42, 6] Generated Node #0,0: 13:[18, 42, 6] Operation: 51-45=6 Exploring Operation: 51-42=9, Resulting Numbers: [45, 18, 9] Generated Node #0,1: 13:[45, 18, 9] Operation: 51-42=9 Moving to Node #0,0 Current State: 13:[18, 42, 6], Operations: ['51-45=6'] Exploring Operation: 42/6=7, Resulting Numbers: [18, 7] Generated Node #0,0,0: 13:[18, 7] Operation: 42/6=7 Exploring Operation: 42-18=24, Resulting Numbers: [6, 24] Generated Node #0,0,1: 13:[6, 24] Operation: 42-18=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[18, 7], Operations: ['51-45=6', '42/6=7'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,13 unequal: No Solution Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,13 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 #0,0,1 Current State: 13:[6, 24], Operations: ['51-45=6', '42-18=24'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,13 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,13 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: 13:[45, 18, 9], Operations: ['51-42=9'] Exploring Operation: 45-18=27, Resulting Numbers: [9, 27] Generated Node #0,1,0: 13:[9, 27] Operation: 45-18=27 Exploring Operation: 45/9=5, Resulting Numbers: [18, 5] Generated Node #0,1,1: 13:[18, 5] Operation: 45/9=5 Moving to Node #0,1,1 Current State: 13:[18, 5], Operations: ['51-42=9', '45/9=5'] Exploring Operation: 18+5=23, Resulting Numbers: [23] 23,13 unequal: No Solution Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[45, 18, 51, 42], Operations: [] Exploring Operation: 51-42=9, Resulting Numbers: [45, 18, 9] Generated Node #0,1: 13:[45, 18, 9] Operation: 51-42=9 Moving to Node #0,1 Current State: 13:[45, 18, 9], Operations: ['51-42=9'] Exploring Operation: 45/9=5, Resulting Numbers: [18, 5] Generated Node #0,1,1: 13:[18, 5] Operation: 45/9=5 Moving to Node #0,1,1 Current State: 13:[18, 5], Operations: ['51-42=9', '45/9=5'] Exploring Operation: 18-5=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
0.986111
hs_2
mult_heuristic
[ 55, 42, 16, 47 ]
40
[ "55-47=8", "16/8=2", "42-2=40" ]
Current State: 40:[55, 42, 16, 47], Operations: [] Exploring Operation: 55-47=8, Resulting Numbers: [42, 16, 8] Generated Node #2: [42, 16, 8] from Operation: 55-47=8 Current State: 40:[42, 16, 8], Operations: ['55-47=8'] Exploring Operation: 16/8=2, Resulting Numbers: [42, 2] Generated Node #3: [42, 2] from Operation: 16/8=2 Current State: 40:[42, 2], Operations: ['55-47=8', '16/8=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[55, 42, 16, 47], Operations: [] Exploring Operation: 47-16=31, Resulting Numbers: [55, 42, 31] Generated Node #0,0: 40:[55, 42, 31] Operation: 47-16=31 Exploring Operation: 55-16=39, Resulting Numbers: [42, 47, 39] Generated Node #0,1: 40:[42, 47, 39] Operation: 55-16=39 Exploring Operation: 47-42=5, Resulting Numbers: [55, 16, 5] Generated Node #0,2: 40:[55, 16, 5] Operation: 47-42=5 Exploring Operation: 55-47=8, Resulting Numbers: [42, 16, 8] Generated Node #0,3: 40:[42, 16, 8] Operation: 55-47=8 Exploring Operation: 55-42=13, Resulting Numbers: [16, 47, 13] Generated Node #0,4: 40:[16, 47, 13] Operation: 55-42=13 Start Sub Search at level 1: Moving to Node #0,3 Current State: 40:[42, 16, 8], Operations: ['55-47=8'] Exploring Operation: 16/8=2, Resulting Numbers: [42, 2] Generated Node #0,3,0: 40:[42, 2] Operation: 16/8=2 Exploring Operation: 16-8=8, Resulting Numbers: [42, 8] Generated Node #0,3,1: 40:[42, 8] Operation: 16-8=8 Exploring Operation: 42-8=34, Resulting Numbers: [16, 34] Generated Node #0,3,2: 40:[16, 34] Operation: 42-8=34 Exploring Operation: 16+8=24, Resulting Numbers: [42, 24] Generated Node #0,3,3: 40:[42, 24] Operation: 16+8=24 Exploring Operation: 42-16=26, Resulting Numbers: [8, 26] Generated Node #0,3,4: 40:[8, 26] Operation: 42-16=26 Moving to Node #0,3,0 Current State: 40:[42, 2], Operations: ['55-47=8', '16/8=2'] Exploring Operation: 42/2=21, Resulting Numbers: [21] 21,40 unequal: No Solution Exploring Operation: 42*2=84, Resulting Numbers: [84] 84,40 unequal: No Solution Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[55, 42, 16, 47], Operations: [] Exploring Operation: 55-47=8, Resulting Numbers: [42, 16, 8] Generated Node #0,3: 40:[42, 16, 8] Operation: 55-47=8 Moving to Node #0,3 Current State: 40:[42, 16, 8], Operations: ['55-47=8'] Exploring Operation: 16/8=2, Resulting Numbers: [42, 2] Generated Node #0,3,0: 40:[42, 2] Operation: 16/8=2 Moving to Node #0,3,0 Current State: 40:[42, 2], Operations: ['55-47=8', '16/8=2'] Exploring Operation: 42-2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 72, 22, 90, 27 ]
33
[ "90-72=18", "22*27=594", "594/18=33" ]
Current State: 33:[72, 22, 90, 27], Operations: [] Exploring Operation: 90-72=18, Resulting Numbers: [22, 27, 18] Generated Node #2: [22, 27, 18] from Operation: 90-72=18 Current State: 33:[22, 27, 18], Operations: ['90-72=18'] Exploring Operation: 22*27=594, Resulting Numbers: [18, 594] Generated Node #3: [18, 594] from Operation: 22*27=594 Current State: 33:[18, 594], Operations: ['90-72=18', '22*27=594'] Exploring Operation: 594/18=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[72, 22, 90, 27], Operations: [] Exploring Operation: 90-72=18, Resulting Numbers: [22, 27, 18] Generated Node #0,0: 33:[22, 27, 18] Operation: 90-72=18 Moving to Node #0,0 Current State: 33:[22, 27, 18], Operations: ['90-72=18'] Exploring Operation: 22-18=4, Resulting Numbers: [27, 4] Generated Node #0,0,0: 33:[27, 4] Operation: 22-18=4 Moving to Node #0,0,0 Current State: 33:[27, 4], Operations: ['90-72=18', '22-18=4'] Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,33 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 73, 31, 43, 32 ]
62
[ "73-43=30", "32-30=2", "31*2=62" ]
Current State: 62:[73, 31, 43, 32], Operations: [] Exploring Operation: 73-43=30, Resulting Numbers: [31, 32, 30] Generated Node #2: [31, 32, 30] from Operation: 73-43=30 Current State: 62:[31, 32, 30], Operations: ['73-43=30'] Exploring Operation: 32-30=2, Resulting Numbers: [31, 2] Generated Node #3: [31, 2] from Operation: 32-30=2 Current State: 62:[31, 2], Operations: ['73-43=30', '32-30=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[73, 31, 43, 32], Operations: [] Exploring Operation: 43-32=11, Resulting Numbers: [73, 31, 11] Generated Node #0,0: 62:[73, 31, 11] Operation: 43-32=11 Exploring Operation: 73-43=30, Resulting Numbers: [31, 32, 30] Generated Node #0,1: 62:[31, 32, 30] Operation: 73-43=30 Moving to Node #0,1 Current State: 62:[31, 32, 30], Operations: ['73-43=30'] Exploring Operation: 32+30=62, Resulting Numbers: [31, 62] Generated Node #0,1,0: 62:[31, 62] Operation: 32+30=62 Exploring Operation: 32-30=2, Resulting Numbers: [31, 2] Generated Node #0,1,1: 62:[31, 2] Operation: 32-30=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[31, 62], Operations: ['73-43=30', '32+30=62'] Exploring Operation: 62/31=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 62-31=31, Resulting Numbers: [31] 31,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[31, 2], Operations: ['73-43=30', '32-30=2'] Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,62 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[73, 31, 43, 32], Operations: [] Exploring Operation: 73-43=30, Resulting Numbers: [31, 32, 30] Generated Node #0,1: 62:[31, 32, 30] Operation: 73-43=30 Moving to Node #0,1 Current State: 62:[31, 32, 30], Operations: ['73-43=30'] Exploring Operation: 32-30=2, Resulting Numbers: [31, 2] Generated Node #0,1,1: 62:[31, 2] Operation: 32-30=2 Moving to Node #0,1,1 Current State: 62:[31, 2], Operations: ['73-43=30', '32-30=2'] Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 43, 57, 87, 7 ]
94
[ "57-43=14", "87-7=80", "14+80=94" ]
Current State: 94:[43, 57, 87, 7], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [87, 7, 14] Generated Node #2: [87, 7, 14] from Operation: 57-43=14 Current State: 94:[87, 7, 14], Operations: ['57-43=14'] Exploring Operation: 87-7=80, Resulting Numbers: [14, 80] Generated Node #3: [14, 80] from Operation: 87-7=80 Current State: 94:[14, 80], Operations: ['57-43=14', '87-7=80'] Exploring Operation: 14+80=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[43, 57, 87, 7], Operations: [] Exploring Operation: 57-7=50, Resulting Numbers: [43, 87, 50] Generated Node #0,0: 94:[43, 87, 50] Operation: 57-7=50 Exploring Operation: 87+7=94, Resulting Numbers: [43, 57, 94] Generated Node #0,1: 94:[43, 57, 94] Operation: 87+7=94 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[43, 87, 50], Operations: ['57-7=50'] Exploring Operation: 43+50=93, Resulting Numbers: [87, 93] Generated Node #0,0,0: 94:[87, 93] Operation: 43+50=93 Exploring Operation: 87-43=44, Resulting Numbers: [50, 44] Generated Node #0,0,1: 94:[50, 44] Operation: 87-43=44 Moving to Node #0,0,1 Current State: 94:[50, 44], Operations: ['57-7=50', '87-43=44'] Exploring Operation: 50+44=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[43, 57, 87, 7], Operations: [] Exploring Operation: 57-7=50, Resulting Numbers: [43, 87, 50] Generated Node #0,0: 94:[43, 87, 50] Operation: 57-7=50 Moving to Node #0,0 Current State: 94:[43, 87, 50], Operations: ['57-7=50'] Exploring Operation: 87-43=44, Resulting Numbers: [50, 44] Generated Node #0,0,1: 94:[50, 44] Operation: 87-43=44 Moving to Node #0,0,1 Current State: 94:[50, 44], Operations: ['57-7=50', '87-43=44'] Exploring Operation: 50+44=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 24, 5, 22, 80 ]
33
[ "24*5=120", "22*120=2640", "2640/80=33" ]
Current State: 33:[24, 5, 22, 80], Operations: [] Exploring Operation: 24*5=120, Resulting Numbers: [22, 80, 120] Generated Node #2: [22, 80, 120] from Operation: 24*5=120 Current State: 33:[22, 80, 120], Operations: ['24*5=120'] Exploring Operation: 22*120=2640, Resulting Numbers: [80, 2640] Generated Node #3: [80, 2640] from Operation: 22*120=2640 Current State: 33:[80, 2640], Operations: ['24*5=120', '22*120=2640'] Exploring Operation: 2640/80=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[24, 5, 22, 80], Operations: [] Exploring Operation: 80/5=16, Resulting Numbers: [24, 22, 16] Generated Node #0,0: 33:[24, 22, 16] Operation: 80/5=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[24, 22, 16], Operations: ['80/5=16'] Exploring Operation: 24-22=2, Resulting Numbers: [16, 2] Generated Node #0,0,0: 33:[16, 2] Operation: 24-22=2 Moving to Node #0,0,0 Current State: 33:[16, 2], Operations: ['80/5=16', '24-22=2'] Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,33 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
[ 64, 80, 39, 9 ]
32
[ "80-64=16", "39+9=48", "48-16=32" ]
Current State: 32:[64, 80, 39, 9], Operations: [] Exploring Operation: 80-64=16, Resulting Numbers: [39, 9, 16] Generated Node #2: [39, 9, 16] from Operation: 80-64=16 Current State: 32:[39, 9, 16], Operations: ['80-64=16'] Exploring Operation: 39+9=48, Resulting Numbers: [16, 48] Generated Node #3: [16, 48] from Operation: 39+9=48 Current State: 32:[16, 48], Operations: ['80-64=16', '39+9=48'] Exploring Operation: 48-16=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[64, 80, 39, 9], Operations: [] Exploring Operation: 80-64=16, Resulting Numbers: [39, 9, 16] Generated Node #0,0: 32:[39, 9, 16] Operation: 80-64=16 Exploring Operation: 80-9=71, Resulting Numbers: [64, 39, 71] Generated Node #0,1: 32:[64, 39, 71] Operation: 80-9=71 Exploring Operation: 64-9=55, Resulting Numbers: [80, 39, 55] Generated Node #0,2: 32:[80, 39, 55] Operation: 64-9=55 Exploring Operation: 64-39=25, Resulting Numbers: [80, 9, 25] Generated Node #0,3: 32:[80, 9, 25] Operation: 64-39=25 Exploring Operation: 80-39=41, Resulting Numbers: [64, 9, 41] Generated Node #0,4: 32:[64, 9, 41] Operation: 80-39=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[39, 9, 16], Operations: ['80-64=16'] Exploring Operation: 39+9=48, Resulting Numbers: [16, 48] Generated Node #0,0,0: 32:[16, 48] Operation: 39+9=48 Exploring Operation: 39-9=30, Resulting Numbers: [16, 30] Generated Node #0,0,1: 32:[16, 30] Operation: 39-9=30 Exploring Operation: 16-9=7, Resulting Numbers: [39, 7] Generated Node #0,0,2: 32:[39, 7] Operation: 16-9=7 Exploring Operation: 9+16=25, Resulting Numbers: [39, 25] Generated Node #0,0,3: 32:[39, 25] Operation: 9+16=25 Exploring Operation: 39-16=23, Resulting Numbers: [9, 23] Generated Node #0,0,4: 32:[9, 23] Operation: 39-16=23 Moving to Node #0,0,1 Current State: 32:[16, 30], Operations: ['80-64=16', '39-9=30'] Exploring Operation: 16*30=480, Resulting Numbers: [480] 480,32 unequal: No Solution Exploring Operation: 16+30=46, Resulting Numbers: [46] 46,32 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,32 unequal: No Solution Moving to Node #0,0,4 Current State: 32:[9, 23], Operations: ['80-64=16', '39-16=23'] Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[64, 80, 39, 9], Operations: [] Exploring Operation: 80-64=16, Resulting Numbers: [39, 9, 16] Generated Node #0,0: 32:[39, 9, 16] Operation: 80-64=16 Moving to Node #0,0 Current State: 32:[39, 9, 16], Operations: ['80-64=16'] Exploring Operation: 39-16=23, Resulting Numbers: [9, 23] Generated Node #0,0,4: 32:[9, 23] Operation: 39-16=23 Moving to Node #0,0,4 Current State: 32:[9, 23], Operations: ['80-64=16', '39-16=23'] Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 44, 70, 8, 28 ]
84
[ "44*28=1232", "1232/8=154", "154-70=84" ]
Current State: 84:[44, 70, 8, 28], Operations: [] Exploring Operation: 44*28=1232, Resulting Numbers: [70, 8, 1232] Generated Node #2: [70, 8, 1232] from Operation: 44*28=1232 Current State: 84:[70, 8, 1232], Operations: ['44*28=1232'] Exploring Operation: 1232/8=154, Resulting Numbers: [70, 154] Generated Node #3: [70, 154] from Operation: 1232/8=154 Current State: 84:[70, 154], Operations: ['44*28=1232', '1232/8=154'] Exploring Operation: 154-70=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[44, 70, 8, 28], Operations: [] Exploring Operation: 70+8=78, Resulting Numbers: [44, 28, 78] Generated Node #0,0: 84:[44, 28, 78] Operation: 70+8=78 Exploring Operation: 70-28=42, Resulting Numbers: [44, 8, 42] Generated Node #0,1: 84:[44, 8, 42] Operation: 70-28=42 Exploring Operation: 70-44=26, Resulting Numbers: [8, 28, 26] Generated Node #0,2: 84:[8, 28, 26] Operation: 70-44=26 Moving to Node #0,1 Current State: 84:[44, 8, 42], Operations: ['70-28=42'] Exploring Operation: 44+42=86, Resulting Numbers: [8, 86] Generated Node #0,1,0: 84:[8, 86] Operation: 44+42=86 Exploring Operation: 44-42=2, Resulting Numbers: [8, 2] Generated Node #0,1,1: 84:[8, 2] Operation: 44-42=2 Exploring Operation: 44-8=36, Resulting Numbers: [42, 36] Generated Node #0,1,2: 84:[42, 36] Operation: 44-8=36 Moving to Node #0,2 Current State: 84:[8, 28, 26], Operations: ['70-44=26'] Exploring Operation: 26-8=18, Resulting Numbers: [28, 18] Generated Node #0,2,0: 84:[28, 18] Operation: 26-8=18 Exploring Operation: 28-26=2, Resulting Numbers: [8, 2] Generated Node #0,2,1: 84:[8, 2] Operation: 28-26=2 Exploring Operation: 28-8=20, Resulting Numbers: [26, 20] Generated Node #0,2,2: 84:[26, 20] Operation: 28-8=20 Moving to Node #0,0 Current State: 84:[44, 28, 78], Operations: ['70+8=78'] Exploring Operation: 44-28=16, Resulting Numbers: [78, 16] Generated Node #0,0,0: 84:[78, 16] Operation: 44-28=16 Exploring Operation: 78-28=50, Resulting Numbers: [44, 50] Generated Node #0,0,1: 84:[44, 50] Operation: 78-28=50 Exploring Operation: 78-44=34, Resulting Numbers: [28, 34] Generated Node #0,0,2: 84:[28, 34] Operation: 78-44=34 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 84:[28, 34], Operations: ['70+8=78', '78-44=34'] Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,84 unequal: No Solution Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[78, 16], Operations: ['70+8=78', '44-28=16'] Exploring Operation: 78*16=1248, Resulting Numbers: [1248] 1248,84 unequal: No Solution Exploring Operation: 78-16=62, Resulting Numbers: [62] 62,84 unequal: No Solution Exploring Operation: 78+16=94, Resulting Numbers: [94] 94,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[44, 50], Operations: ['70+8=78', '78-28=50'] Exploring Operation: 50-44=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 44+50=94, Resulting Numbers: [94] 94,84 unequal: No Solution Exploring Operation: 44*50=2200, Resulting Numbers: [2200] 2200,84 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: 84:[8, 2], Operations: ['70-28=42', '44-42=2'] Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,84 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,84 unequal: No Solution Moving to Node #0,2,1 Current State: 84:[8, 2], Operations: ['70-44=26', '28-26=2'] Exploring Operation: 8/2=4, Resulting Numbers: [4] 4,84 unequal: No Solution Exploring Operation: 8+2=10, Resulting Numbers: [10] 10,84 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[26, 20], Operations: ['70-44=26', '28-8=20'] Exploring Operation: 26*20=520, Resulting Numbers: [520] 520,84 unequal: No Solution Exploring Operation: 26-20=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 26+20=46, Resulting Numbers: [46] 46,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[28, 18], Operations: ['70-44=26', '26-8=18'] Exploring Operation: 28-18=10, Resulting Numbers: [10] 10,84 unequal: No Solution Exploring Operation: 28*18=504, Resulting Numbers: [504] 504,84 unequal: No Solution Exploring Operation: 28+18=46, Resulting Numbers: [46] 46,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[8, 86], Operations: ['70-28=42', '44+42=86'] Exploring Operation: 8+86=94, Resulting Numbers: [94] 94,84 unequal: No Solution Exploring Operation: 8*86=688, Resulting Numbers: [688] 688,84 unequal: No Solution Exploring Operation: 86-8=78, Resulting Numbers: [78] 78,84 unequal: No Solution Moving to Node #0,1,2 Current State: 84:[42, 36], Operations: ['70-28=42', '44-8=36'] Exploring Operation: 42+36=78, Resulting Numbers: [78] 78,84 unequal: No Solution Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 42*36=1512, Resulting Numbers: [1512] 1512,84 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 40, 55, 33, 60 ]
68
[ "40+55=95", "60-33=27", "95-27=68" ]
Current State: 68:[40, 55, 33, 60], Operations: [] Exploring Operation: 40+55=95, Resulting Numbers: [33, 60, 95] Generated Node #2: [33, 60, 95] from Operation: 40+55=95 Current State: 68:[33, 60, 95], Operations: ['40+55=95'] Exploring Operation: 60-33=27, Resulting Numbers: [95, 27] Generated Node #3: [95, 27] from Operation: 60-33=27 Current State: 68:[95, 27], Operations: ['40+55=95', '60-33=27'] Exploring Operation: 95-27=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[40, 55, 33, 60], Operations: [] Exploring Operation: 60-55=5, Resulting Numbers: [40, 33, 5] Generated Node #0,0: 68:[40, 33, 5] Operation: 60-55=5 Moving to Node #0,0 Current State: 68:[40, 33, 5], Operations: ['60-55=5'] Exploring Operation: 40-5=35, Resulting Numbers: [33, 35] Generated Node #0,0,0: 68:[33, 35] Operation: 40-5=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[33, 35], Operations: ['60-55=5', '40-5=35'] Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[40, 55, 33, 60], Operations: [] Exploring Operation: 60-55=5, Resulting Numbers: [40, 33, 5] Generated Node #0,0: 68:[40, 33, 5] Operation: 60-55=5 Moving to Node #0,0 Current State: 68:[40, 33, 5], Operations: ['60-55=5'] Exploring Operation: 40-5=35, Resulting Numbers: [33, 35] Generated Node #0,0,0: 68:[33, 35] Operation: 40-5=35 Moving to Node #0,0,0 Current State: 68:[33, 35], Operations: ['60-55=5', '40-5=35'] Exploring Operation: 33+35=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 73, 78, 76, 20 ]
80
[ "78-73=5", "20/5=4", "76+4=80" ]
Current State: 80:[73, 78, 76, 20], Operations: [] Exploring Operation: 78-73=5, Resulting Numbers: [76, 20, 5] Generated Node #2: [76, 20, 5] from Operation: 78-73=5 Current State: 80:[76, 20, 5], Operations: ['78-73=5'] Exploring Operation: 20/5=4, Resulting Numbers: [76, 4] Generated Node #3: [76, 4] from Operation: 20/5=4 Current State: 80:[76, 4], Operations: ['78-73=5', '20/5=4'] Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[73, 78, 76, 20], Operations: [] Exploring Operation: 78-73=5, Resulting Numbers: [76, 20, 5] Generated Node #0,0: 80:[76, 20, 5] Operation: 78-73=5 Exploring Operation: 76-73=3, Resulting Numbers: [78, 20, 3] Generated Node #0,1: 80:[78, 20, 3] Operation: 76-73=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[78, 20, 3], Operations: ['76-73=3'] Exploring Operation: 78+3=81, Resulting Numbers: [20, 81] Generated Node #0,1,0: 80:[20, 81] Operation: 78+3=81 Exploring Operation: 20-3=17, Resulting Numbers: [78, 17] Generated Node #0,1,1: 80:[78, 17] Operation: 20-3=17 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 80:[20, 81], Operations: ['76-73=3', '78+3=81'] Exploring Operation: 20+81=101, Resulting Numbers: [101] 101,80 unequal: No Solution Exploring Operation: 81-20=61, Resulting Numbers: [61] 61,80 unequal: No Solution No 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: 80:[78, 17], Operations: ['76-73=3', '20-3=17'] Exploring Operation: 78-17=61, Resulting Numbers: [61] 61,80 unequal: No Solution Exploring Operation: 78+17=95, Resulting Numbers: [95] 95,80 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: 80:[76, 20, 5], Operations: ['78-73=5'] Exploring Operation: 20/5=4, Resulting Numbers: [76, 4] Generated Node #0,0,0: 80:[76, 4] Operation: 20/5=4 Exploring Operation: 76+5=81, Resulting Numbers: [20, 81] Generated Node #0,0,1: 80:[20, 81] Operation: 76+5=81 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[20, 81], Operations: ['78-73=5', '76+5=81'] Exploring Operation: 81-20=61, Resulting Numbers: [61] 61,80 unequal: No Solution Exploring Operation: 20+81=101, Resulting Numbers: [101] 101,80 unequal: No Solution No 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: 80:[76, 4], Operations: ['78-73=5', '20/5=4'] Exploring Operation: 76/4=19, Resulting Numbers: [19] 19,80 unequal: No Solution Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[73, 78, 76, 20], Operations: [] Exploring Operation: 78-73=5, Resulting Numbers: [76, 20, 5] Generated Node #0,0: 80:[76, 20, 5] Operation: 78-73=5 Moving to Node #0,0 Current State: 80:[76, 20, 5], Operations: ['78-73=5'] Exploring Operation: 20/5=4, Resulting Numbers: [76, 4] Generated Node #0,0,0: 80:[76, 4] Operation: 20/5=4 Moving to Node #0,0,0 Current State: 80:[76, 4], Operations: ['78-73=5', '20/5=4'] Exploring Operation: 76+4=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 34, 88, 82, 63 ]
68
[ "88+82=170", "170/34=5", "63+5=68" ]
Current State: 68:[34, 88, 82, 63], Operations: [] Exploring Operation: 88+82=170, Resulting Numbers: [34, 63, 170] Generated Node #2: [34, 63, 170] from Operation: 88+82=170 Current State: 68:[34, 63, 170], Operations: ['88+82=170'] Exploring Operation: 170/34=5, Resulting Numbers: [63, 5] Generated Node #3: [63, 5] from Operation: 170/34=5 Current State: 68:[63, 5], Operations: ['88+82=170', '170/34=5'] Exploring Operation: 63+5=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[34, 88, 82, 63], Operations: [] Exploring Operation: 88-82=6, Resulting Numbers: [34, 63, 6] Generated Node #0,0: 68:[34, 63, 6] Operation: 88-82=6 Moving to Node #0,0 Current State: 68:[34, 63, 6], Operations: ['88-82=6'] Exploring Operation: 63+6=69, Resulting Numbers: [34, 69] Generated Node #0,0,0: 68:[34, 69] Operation: 63+6=69 Moving to Node #0,0,0 Current State: 68:[34, 69], Operations: ['88-82=6', '63+6=69'] Exploring Operation: 69-34=35, Resulting Numbers: [35] 35,68 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 43, 9, 1, 11 ]
63
[ "43+9=52", "1*11=11", "52+11=63" ]
Current State: 63:[43, 9, 1, 11], Operations: [] Exploring Operation: 43+9=52, Resulting Numbers: [1, 11, 52] Generated Node #2: [1, 11, 52] from Operation: 43+9=52 Current State: 63:[1, 11, 52], Operations: ['43+9=52'] Exploring Operation: 1*11=11, Resulting Numbers: [52, 11] Generated Node #3: [52, 11] from Operation: 1*11=11 Current State: 63:[52, 11], Operations: ['43+9=52', '1*11=11'] Exploring Operation: 52+11=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[43, 9, 1, 11], Operations: [] Exploring Operation: 43-11=32, Resulting Numbers: [9, 1, 32] Generated Node #0,0: 63:[9, 1, 32] Operation: 43-11=32 Exploring Operation: 43+9=52, Resulting Numbers: [1, 11, 52] Generated Node #0,1: 63:[1, 11, 52] Operation: 43+9=52 Exploring Operation: 43+11=54, Resulting Numbers: [9, 1, 54] Generated Node #0,2: 63:[9, 1, 54] Operation: 43+11=54 Exploring Operation: 43-9=34, Resulting Numbers: [1, 11, 34] Generated Node #0,3: 63:[1, 11, 34] Operation: 43-9=34 Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[9, 1, 54], Operations: ['43+11=54'] Exploring Operation: 54/9=6, Resulting Numbers: [1, 6] Generated Node #0,2,0: 63:[1, 6] Operation: 54/9=6 Exploring Operation: 9*1=9, Resulting Numbers: [54, 9] Generated Node #0,2,1: 63:[54, 9] Operation: 9*1=9 Exploring Operation: 1+54=55, Resulting Numbers: [9, 55] Generated Node #0,2,2: 63:[9, 55] Operation: 1+54=55 Exploring Operation: 9+54=63, Resulting Numbers: [1, 63] Generated Node #0,2,3: 63:[1, 63] Operation: 9+54=63 Moving to Node #0,2,3 Current State: 63:[1, 63], Operations: ['43+11=54', '9+54=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[43, 9, 1, 11], Operations: [] Exploring Operation: 43+11=54, Resulting Numbers: [9, 1, 54] Generated Node #0,2: 63:[9, 1, 54] Operation: 43+11=54 Moving to Node #0,2 Current State: 63:[9, 1, 54], Operations: ['43+11=54'] Exploring Operation: 9+54=63, Resulting Numbers: [1, 63] Generated Node #0,2,3: 63:[1, 63] Operation: 9+54=63 Moving to Node #0,2,3 Current State: 63:[1, 63], Operations: ['43+11=54', '9+54=63'] Exploring Operation: 1*63=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 53, 53, 48, 6 ]
42
[ "53-53=0", "48-6=42", "0+42=42" ]
Current State: 42:[53, 53, 48, 6], Operations: [] Exploring Operation: 53-53=0, Resulting Numbers: [48, 6, 0] Generated Node #2: [48, 6, 0] from Operation: 53-53=0 Current State: 42:[48, 6, 0], Operations: ['53-53=0'] Exploring Operation: 48-6=42, Resulting Numbers: [0, 42] Generated Node #3: [0, 42] from Operation: 48-6=42 Current State: 42:[0, 42], Operations: ['53-53=0', '48-6=42'] Exploring Operation: 0+42=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[53, 53, 48, 6], Operations: [] Exploring Operation: 53-48=5, Resulting Numbers: [53, 6, 5] Generated Node #0,0: 42:[53, 6, 5] Operation: 53-48=5 Exploring Operation: 53-53=0, Resulting Numbers: [48, 6, 0] Generated Node #0,1: 42:[48, 6, 0] Operation: 53-53=0 Exploring Operation: 53/53=1, Resulting Numbers: [48, 6, 1] Generated Node #0,2: 42:[48, 6, 1] Operation: 53/53=1 Exploring Operation: 53-48=5, Resulting Numbers: [53, 6, 5] Generated Node #0,3: 42:[53, 6, 5] Operation: 53-48=5 Moving to Node #0,2 Current State: 42:[48, 6, 1], Operations: ['53/53=1'] Exploring Operation: 48-6=42, Resulting Numbers: [1, 42] Generated Node #0,2,0: 42:[1, 42] Operation: 48-6=42 Exploring Operation: 48-1=47, Resulting Numbers: [6, 47] Generated Node #0,2,1: 42:[6, 47] Operation: 48-1=47 Exploring Operation: 48*1=48, Resulting Numbers: [6, 48] Generated Node #0,2,2: 42:[6, 48] Operation: 48*1=48 Exploring Operation: 48/6=8, Resulting Numbers: [1, 8] Generated Node #0,2,3: 42:[1, 8] Operation: 48/6=8 Moving to Node #0,1 Current State: 42:[48, 6, 0], Operations: ['53-53=0'] Exploring Operation: 48/6=8, Resulting Numbers: [0, 8] Generated Node #0,1,0: 42:[0, 8] Operation: 48/6=8 Exploring Operation: 48-6=42, Resulting Numbers: [0, 42] Generated Node #0,1,1: 42:[0, 42] Operation: 48-6=42 Exploring Operation: 48+0=48, Resulting Numbers: [6, 48] Generated Node #0,1,2: 42:[6, 48] Operation: 48+0=48 Exploring Operation: 48*0=0, Resulting Numbers: [6, 0] Generated Node #0,1,3: 42:[6, 0] Operation: 48*0=0 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[0, 42], Operations: ['53-53=0', '48-6=42'] Exploring Operation: 42-0=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[53, 53, 48, 6], Operations: [] Exploring Operation: 53-53=0, Resulting Numbers: [48, 6, 0] Generated Node #0,1: 42:[48, 6, 0] Operation: 53-53=0 Moving to Node #0,1 Current State: 42:[48, 6, 0], Operations: ['53-53=0'] Exploring Operation: 48-6=42, Resulting Numbers: [0, 42] Generated Node #0,1,1: 42:[0, 42] Operation: 48-6=42 Moving to Node #0,1,1 Current State: 42:[0, 42], Operations: ['53-53=0', '48-6=42'] Exploring Operation: 42-0=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 96, 84, 26, 6 ]
87
[ "26+6=32", "96/32=3", "84+3=87" ]
Current State: 87:[96, 84, 26, 6], Operations: [] Exploring Operation: 26+6=32, Resulting Numbers: [96, 84, 32] Generated Node #2: [96, 84, 32] from Operation: 26+6=32 Current State: 87:[96, 84, 32], Operations: ['26+6=32'] Exploring Operation: 96/32=3, Resulting Numbers: [84, 3] Generated Node #3: [84, 3] from Operation: 96/32=3 Current State: 87:[84, 3], Operations: ['26+6=32', '96/32=3'] Exploring Operation: 84+3=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[96, 84, 26, 6], Operations: [] Exploring Operation: 96-6=90, Resulting Numbers: [84, 26, 90] Generated Node #0,0: 87:[84, 26, 90] Operation: 96-6=90 Moving to Node #0,0 Current State: 87:[84, 26, 90], Operations: ['96-6=90'] Exploring Operation: 90-84=6, Resulting Numbers: [26, 6] Generated Node #0,0,0: 87:[26, 6] Operation: 90-84=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[26, 6], Operations: ['96-6=90', '90-84=6'] Exploring Operation: 26+6=32, Resulting Numbers: [32] 32,87 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
[ 6, 49, 1, 66 ]
60
[ "6*1=6", "66/6=11", "49+11=60" ]
Current State: 60:[6, 49, 1, 66], Operations: [] Exploring Operation: 6*1=6, Resulting Numbers: [49, 66, 6] Generated Node #2: [49, 66, 6] from Operation: 6*1=6 Current State: 60:[49, 66, 6], Operations: ['6*1=6'] Exploring Operation: 66/6=11, Resulting Numbers: [49, 11] Generated Node #3: [49, 11] from Operation: 66/6=11 Current State: 60:[49, 11], Operations: ['6*1=6', '66/6=11'] Exploring Operation: 49+11=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[6, 49, 1, 66], Operations: [] Exploring Operation: 66-6=60, Resulting Numbers: [49, 1, 60] Generated Node #0,0: 60:[49, 1, 60] Operation: 66-6=60 Exploring Operation: 66-49=17, Resulting Numbers: [6, 1, 17] Generated Node #0,1: 60:[6, 1, 17] Operation: 66-49=17 Exploring Operation: 66/6=11, Resulting Numbers: [49, 1, 11] Generated Node #0,2: 60:[49, 1, 11] Operation: 66/6=11 Exploring Operation: 6+49=55, Resulting Numbers: [1, 66, 55] Generated Node #0,3: 60:[1, 66, 55] Operation: 6+49=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[6, 1, 17], Operations: ['66-49=17'] Exploring Operation: 6-1=5, Resulting Numbers: [17, 5] Generated Node #0,1,0: 60:[17, 5] Operation: 6-1=5 Exploring Operation: 6/1=6, Resulting Numbers: [17, 6] Generated Node #0,1,1: 60:[17, 6] Operation: 6/1=6 Exploring Operation: 17-1=16, Resulting Numbers: [6, 16] Generated Node #0,1,2: 60:[6, 16] Operation: 17-1=16 Exploring Operation: 6*1=6, Resulting Numbers: [17, 6] Generated Node #0,1,3: 60:[17, 6] Operation: 6*1=6 Moving to Node #0,1,2 Current State: 60:[6, 16], Operations: ['66-49=17', '17-1=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,60 unequal: No Solution Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[17, 6], Operations: ['66-49=17', '6/1=6'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,60 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[17, 5], Operations: ['66-49=17', '6-1=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,60 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,60 unequal: No Solution Moving to Node #0,1,3 Current State: 60:[17, 6], Operations: ['66-49=17', '6*1=6'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 17+6=23, Resulting Numbers: [23] 23,60 unequal: No Solution Exploring Operation: 17*6=102, Resulting Numbers: [102] 102,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[49, 1, 60], Operations: ['66-6=60'] Exploring Operation: 49/1=49, Resulting Numbers: [60, 49] Generated Node #0,0,0: 60:[60, 49] Operation: 49/1=49 Exploring Operation: 49*1=49, Resulting Numbers: [60, 49] Generated Node #0,0,1: 60:[60, 49] Operation: 49*1=49 Exploring Operation: 60-49=11, Resulting Numbers: [1, 11] Generated Node #0,0,2: 60:[1, 11] Operation: 60-49=11 Exploring Operation: 49+1=50, Resulting Numbers: [60, 50] Generated Node #0,0,3: 60:[60, 50] Operation: 49+1=50 Moving to Node #0,0,2 Current State: 60:[1, 11], Operations: ['66-6=60', '60-49=11'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,60 unequal: No Solution Moving to Node #0,0,3 Current State: 60:[60, 50], Operations: ['66-6=60', '49+1=50'] Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,60 unequal: No Solution Exploring Operation: 60*50=3000, Resulting Numbers: [3000] 3000,60 unequal: No Solution Exploring Operation: 60+50=110, Resulting Numbers: [110] 110,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[60, 49], Operations: ['66-6=60', '49*1=49'] Exploring Operation: 60*49=2940, Resulting Numbers: [2940] 2940,60 unequal: No Solution Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 60+49=109, Resulting Numbers: [109] 109,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[60, 49], Operations: ['66-6=60', '49/1=49'] Exploring Operation: 60*49=2940, Resulting Numbers: [2940] 2940,60 unequal: No Solution Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 60+49=109, Resulting Numbers: [109] 109,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 60:[1, 66, 55], Operations: ['6+49=55'] Exploring Operation: 1+55=56, Resulting Numbers: [66, 56] Generated Node #0,3,0: 60:[66, 56] Operation: 1+55=56 Exploring Operation: 66-55=11, Resulting Numbers: [1, 11] Generated Node #0,3,1: 60:[1, 11] Operation: 66-55=11 Exploring Operation: 66-1=65, Resulting Numbers: [55, 65] Generated Node #0,3,2: 60:[55, 65] Operation: 66-1=65 Exploring Operation: 1*66=66, Resulting Numbers: [55, 66] Generated Node #0,3,3: 60:[55, 66] Operation: 1*66=66 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 60:[1, 11], Operations: ['6+49=55', '66-55=11'] Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,60 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 60:[66, 56], Operations: ['6+49=55', '1+55=56'] Exploring Operation: 66*56=3696, Resulting Numbers: [3696] 3696,60 unequal: No Solution Exploring Operation: 66+56=122, Resulting Numbers: [122] 122,60 unequal: No Solution Exploring Operation: 66-56=10, Resulting Numbers: [10] 10,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 60:[55, 65], Operations: ['6+49=55', '66-1=65'] Exploring Operation: 55+65=120, Resulting Numbers: [120] 120,60 unequal: No Solution Exploring Operation: 55*65=3575, Resulting Numbers: [3575] 3575,60 unequal: No Solution Exploring Operation: 65-55=10, Resulting Numbers: [10] 10,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 60:[55, 66], Operations: ['6+49=55', '1*66=66'] Exploring Operation: 55+66=121, Resulting Numbers: [121] 121,60 unequal: No Solution Exploring Operation: 55*66=3630, Resulting Numbers: [3630] 3630,60 unequal: No Solution Exploring Operation: 66-55=11, Resulting Numbers: [11] 11,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 60:[49, 1, 11], Operations: ['66/6=11'] Exploring Operation: 49+1=50, Resulting Numbers: [11, 50] Generated Node #0,2,0: 60:[11, 50] Operation: 49+1=50 Exploring Operation: 1+11=12, Resulting Numbers: [49, 12] Generated Node #0,2,1: 60:[49, 12] Operation: 1+11=12 Exploring Operation: 49-11=38, Resulting Numbers: [1, 38] Generated Node #0,2,2: 60:[1, 38] Operation: 49-11=38 Exploring Operation: 49+11=60, Resulting Numbers: [1, 60] Generated Node #0,2,3: 60:[1, 60] Operation: 49+11=60 Moving to Node #0,2,3 Current State: 60:[1, 60], Operations: ['66/6=11', '49+11=60'] Exploring Operation: 1+60=61, Resulting Numbers: [61] 61,60 unequal: No Solution Exploring Operation: 1*60=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[6, 49, 1, 66], Operations: [] Exploring Operation: 66/6=11, Resulting Numbers: [49, 1, 11] Generated Node #0,2: 60:[49, 1, 11] Operation: 66/6=11 Moving to Node #0,2 Current State: 60:[49, 1, 11], Operations: ['66/6=11'] Exploring Operation: 49+11=60, Resulting Numbers: [1, 60] Generated Node #0,2,3: 60:[1, 60] Operation: 49+11=60 Moving to Node #0,2,3 Current State: 60:[1, 60], Operations: ['66/6=11', '49+11=60'] Exploring Operation: 1*60=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.944444
hs_4
mult_heuristic
[ 30, 27, 34, 75 ]
90
[ "27+75=102", "30*102=3060", "3060/34=90" ]
Current State: 90:[30, 27, 34, 75], Operations: [] Exploring Operation: 27+75=102, Resulting Numbers: [30, 34, 102] Generated Node #2: [30, 34, 102] from Operation: 27+75=102 Current State: 90:[30, 34, 102], Operations: ['27+75=102'] Exploring Operation: 30*102=3060, Resulting Numbers: [34, 3060] Generated Node #3: [34, 3060] from Operation: 30*102=3060 Current State: 90:[34, 3060], Operations: ['27+75=102', '30*102=3060'] Exploring Operation: 3060/34=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[30, 27, 34, 75], Operations: [] Exploring Operation: 75-27=48, Resulting Numbers: [30, 34, 48] Generated Node #0,0: 90:[30, 34, 48] Operation: 75-27=48 Exploring Operation: 75-30=45, Resulting Numbers: [27, 34, 45] Generated Node #0,1: 90:[27, 34, 45] Operation: 75-30=45 Exploring Operation: 75-34=41, Resulting Numbers: [30, 27, 41] Generated Node #0,2: 90:[30, 27, 41] Operation: 75-34=41 Moving to Node #0,0 Current State: 90:[30, 34, 48], Operations: ['75-27=48'] Exploring Operation: 48-30=18, Resulting Numbers: [34, 18] Generated Node #0,0,0: 90:[34, 18] Operation: 48-30=18 Exploring Operation: 48-34=14, Resulting Numbers: [30, 14] Generated Node #0,0,1: 90:[30, 14] Operation: 48-34=14 Exploring Operation: 34-30=4, Resulting Numbers: [48, 4] Generated Node #0,0,2: 90:[48, 4] Operation: 34-30=4 Moving to Node #0,1 Current State: 90:[27, 34, 45], Operations: ['75-30=45'] Exploring Operation: 45-27=18, Resulting Numbers: [34, 18] Generated Node #0,1,0: 90:[34, 18] Operation: 45-27=18 Exploring Operation: 45-34=11, Resulting Numbers: [27, 11] Generated Node #0,1,1: 90:[27, 11] Operation: 45-34=11 Exploring Operation: 34-27=7, Resulting Numbers: [45, 7] Generated Node #0,1,2: 90:[45, 7] Operation: 34-27=7 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 90:[45, 7], Operations: ['75-30=45', '34-27=7'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,90 unequal: No Solution Exploring Operation: 45+7=52, Resulting Numbers: [52] 52,90 unequal: No Solution Exploring Operation: 45*7=315, Resulting Numbers: [315] 315,90 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 #0,1,0 Current State: 90:[34, 18], Operations: ['75-30=45', '45-27=18'] Exploring Operation: 34*18=612, Resulting Numbers: [612] 612,90 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,90 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 #0,1,1 Current State: 90:[27, 11], Operations: ['75-30=45', '45-34=11'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,90 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,90 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:[30, 27, 41], Operations: ['75-34=41'] Exploring Operation: 30-27=3, Resulting Numbers: [41, 3] Generated Node #0,2,0: 90:[41, 3] Operation: 30-27=3 Exploring Operation: 41-30=11, Resulting Numbers: [27, 11] Generated Node #0,2,1: 90:[27, 11] Operation: 41-30=11 Exploring Operation: 41-27=14, Resulting Numbers: [30, 14] Generated Node #0,2,2: 90:[30, 14] Operation: 41-27=14 Moving to Node #0,0,1 Current State: 90:[30, 14], Operations: ['75-27=48', '48-34=14'] Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,90 unequal: No Solution Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,90 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[30, 14], Operations: ['75-34=41', '41-27=14'] Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,90 unequal: No Solution Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,90 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,90 unequal: No Solution Moving to Node #0,0,2 Current State: 90:[48, 4], Operations: ['75-27=48', '34-30=4'] Exploring Operation: 48/4=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 48-4=44, Resulting Numbers: [44] 44,90 unequal: No Solution Exploring Operation: 48+4=52, Resulting Numbers: [52] 52,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[27, 11], Operations: ['75-34=41', '41-30=11'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,90 unequal: No Solution Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[41, 3], Operations: ['75-34=41', '30-27=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,90 unequal: No Solution Exploring Operation: 41*3=123, Resulting Numbers: [123] 123,90 unequal: No Solution Exploring Operation: 41+3=44, Resulting Numbers: [44] 44,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[34, 18], Operations: ['75-27=48', '48-30=18'] Exploring Operation: 34+18=52, Resulting Numbers: [52] 52,90 unequal: No Solution Exploring Operation: 34-18=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 34*18=612, Resulting Numbers: [612] 612,90 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 10, 43, 93, 80 ]
40
[ "10+43=53", "93-80=13", "53-13=40" ]
Current State: 40:[10, 43, 93, 80], Operations: [] Exploring Operation: 10+43=53, Resulting Numbers: [93, 80, 53] Generated Node #2: [93, 80, 53] from Operation: 10+43=53 Current State: 40:[93, 80, 53], Operations: ['10+43=53'] Exploring Operation: 93-80=13, Resulting Numbers: [53, 13] Generated Node #3: [53, 13] from Operation: 93-80=13 Current State: 40:[53, 13], Operations: ['10+43=53', '93-80=13'] Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[10, 43, 93, 80], Operations: [] Exploring Operation: 93-80=13, Resulting Numbers: [10, 43, 13] Generated Node #0,0: 40:[10, 43, 13] Operation: 93-80=13 Exploring Operation: 93-43=50, Resulting Numbers: [10, 80, 50] Generated Node #0,1: 40:[10, 80, 50] Operation: 93-43=50 Moving to Node #0,0 Current State: 40:[10, 43, 13], Operations: ['93-80=13'] Exploring Operation: 13-10=3, Resulting Numbers: [43, 3] Generated Node #0,0,0: 40:[43, 3] Operation: 13-10=3 Exploring Operation: 10+13=23, Resulting Numbers: [43, 23] Generated Node #0,0,1: 40:[43, 23] Operation: 10+13=23 Moving to Node #0,1 Current State: 40:[10, 80, 50], Operations: ['93-43=50'] Exploring Operation: 80/10=8, Resulting Numbers: [50, 8] Generated Node #0,1,0: 40:[50, 8] Operation: 80/10=8 Exploring Operation: 80-50=30, Resulting Numbers: [10, 30] Generated Node #0,1,1: 40:[10, 30] Operation: 80-50=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 40:[50, 8], Operations: ['93-43=50', '80/10=8'] Exploring Operation: 50-8=42, Resulting Numbers: [42] 42,40 unequal: No Solution Exploring Operation: 50+8=58, Resulting Numbers: [58] 58,40 unequal: No Solution No 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: 40:[10, 30], Operations: ['93-43=50', '80-50=30'] Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[10, 43, 93, 80], Operations: [] Exploring Operation: 93-43=50, Resulting Numbers: [10, 80, 50] Generated Node #0,1: 40:[10, 80, 50] Operation: 93-43=50 Moving to Node #0,1 Current State: 40:[10, 80, 50], Operations: ['93-43=50'] Exploring Operation: 80-50=30, Resulting Numbers: [10, 30] Generated Node #0,1,1: 40:[10, 30] Operation: 80-50=30 Moving to Node #0,1,1 Current State: 40:[10, 30], Operations: ['93-43=50', '80-50=30'] Exploring Operation: 10+30=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_2
mult_heuristic
[ 17, 15, 88, 98 ]
12
[ "17-15=2", "98-88=10", "2+10=12" ]
Current State: 12:[17, 15, 88, 98], Operations: [] Exploring Operation: 17-15=2, Resulting Numbers: [88, 98, 2] Generated Node #2: [88, 98, 2] from Operation: 17-15=2 Current State: 12:[88, 98, 2], Operations: ['17-15=2'] Exploring Operation: 98-88=10, Resulting Numbers: [2, 10] Generated Node #3: [2, 10] from Operation: 98-88=10 Current State: 12:[2, 10], Operations: ['17-15=2', '98-88=10'] Exploring Operation: 2+10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[17, 15, 88, 98], Operations: [] Exploring Operation: 98-88=10, Resulting Numbers: [17, 15, 10] Generated Node #0,0: 12:[17, 15, 10] Operation: 98-88=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[17, 15, 10], Operations: ['98-88=10'] Exploring Operation: 17-15=2, Resulting Numbers: [10, 2] Generated Node #0,0,0: 12:[10, 2] Operation: 17-15=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[10, 2], Operations: ['98-88=10', '17-15=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[17, 15, 88, 98], Operations: [] Exploring Operation: 98-88=10, Resulting Numbers: [17, 15, 10] Generated Node #0,0: 12:[17, 15, 10] Operation: 98-88=10 Moving to Node #0,0 Current State: 12:[17, 15, 10], Operations: ['98-88=10'] Exploring Operation: 17-15=2, Resulting Numbers: [10, 2] Generated Node #0,0,0: 12:[10, 2] Operation: 17-15=2 Moving to Node #0,0,0 Current State: 12:[10, 2], Operations: ['98-88=10', '17-15=2'] Exploring Operation: 10+2=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 88, 80, 83, 21 ]
85
[ "88-80=8", "21*8=168", "168-83=85" ]
Current State: 85:[88, 80, 83, 21], Operations: [] Exploring Operation: 88-80=8, Resulting Numbers: [83, 21, 8] Generated Node #2: [83, 21, 8] from Operation: 88-80=8 Current State: 85:[83, 21, 8], Operations: ['88-80=8'] Exploring Operation: 21*8=168, Resulting Numbers: [83, 168] Generated Node #3: [83, 168] from Operation: 21*8=168 Current State: 85:[83, 168], Operations: ['88-80=8', '21*8=168'] Exploring Operation: 168-83=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[88, 80, 83, 21], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [80, 21, 5] Generated Node #0,0: 85:[80, 21, 5] Operation: 88-83=5 Exploring Operation: 88-80=8, Resulting Numbers: [83, 21, 8] Generated Node #0,1: 85:[83, 21, 8] Operation: 88-80=8 Moving to Node #0,0 Current State: 85:[80, 21, 5], Operations: ['88-83=5'] Exploring Operation: 80/5=16, Resulting Numbers: [21, 16] Generated Node #0,0,0: 85:[21, 16] Operation: 80/5=16 Exploring Operation: 80+5=85, Resulting Numbers: [21, 85] Generated Node #0,0,1: 85:[21, 85] Operation: 80+5=85 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 85:[21, 85], Operations: ['88-83=5', '80+5=85'] Exploring Operation: 21+85=106, Resulting Numbers: [106] 106,85 unequal: No Solution Exploring Operation: 85-21=64, Resulting Numbers: [64] 64,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 85:[21, 16], Operations: ['88-83=5', '80/5=16'] Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,85 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: 85:[83, 21, 8], Operations: ['88-80=8'] Exploring Operation: 21-8=13, Resulting Numbers: [83, 13] Generated Node #0,1,0: 85:[83, 13] Operation: 21-8=13 Exploring Operation: 83+8=91, Resulting Numbers: [21, 91] Generated Node #0,1,1: 85:[21, 91] Operation: 83+8=91 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[83, 13], Operations: ['88-80=8', '21-8=13'] Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,85 unequal: No Solution Exploring Operation: 83-13=70, Resulting Numbers: [70] 70,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[21, 91], Operations: ['88-80=8', '83+8=91'] Exploring Operation: 21+91=112, Resulting Numbers: [112] 112,85 unequal: No Solution Exploring Operation: 91-21=70, Resulting Numbers: [70] 70,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 58, 16, 20, 68 ]
40
[ "68-58=10", "20-16=4", "10*4=40" ]
Current State: 40:[58, 16, 20, 68], Operations: [] Exploring Operation: 68-58=10, Resulting Numbers: [16, 20, 10] Generated Node #2: [16, 20, 10] from Operation: 68-58=10 Current State: 40:[16, 20, 10], Operations: ['68-58=10'] Exploring Operation: 20-16=4, Resulting Numbers: [10, 4] Generated Node #3: [10, 4] from Operation: 20-16=4 Current State: 40:[10, 4], Operations: ['68-58=10', '20-16=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[58, 16, 20, 68], Operations: [] Exploring Operation: 68-58=10, Resulting Numbers: [16, 20, 10] Generated Node #0,0: 40:[16, 20, 10] Operation: 68-58=10 Exploring Operation: 58-20=38, Resulting Numbers: [16, 68, 38] Generated Node #0,1: 40:[16, 68, 38] Operation: 58-20=38 Exploring Operation: 68-16=52, Resulting Numbers: [58, 20, 52] Generated Node #0,2: 40:[58, 20, 52] Operation: 68-16=52 Exploring Operation: 58-16=42, Resulting Numbers: [20, 68, 42] Generated Node #0,3: 40:[20, 68, 42] Operation: 58-16=42 Exploring Operation: 68-20=48, Resulting Numbers: [58, 16, 48] Generated Node #0,4: 40:[58, 16, 48] Operation: 68-20=48 Moving to Node #0,0 Current State: 40:[16, 20, 10], Operations: ['68-58=10'] Exploring Operation: 16+20=36, Resulting Numbers: [10, 36] Generated Node #0,0,0: 40:[10, 36] Operation: 16+20=36 Exploring Operation: 20-16=4, Resulting Numbers: [10, 4] Generated Node #0,0,1: 40:[10, 4] Operation: 20-16=4 Exploring Operation: 20/10=2, Resulting Numbers: [16, 2] Generated Node #0,0,2: 40:[16, 2] Operation: 20/10=2 Exploring Operation: 16-10=6, Resulting Numbers: [20, 6] Generated Node #0,0,3: 40:[20, 6] Operation: 16-10=6 Exploring Operation: 20-10=10, Resulting Numbers: [16, 10] Generated Node #0,0,4: 40:[16, 10] Operation: 20-10=10 Moving to Node #0,3 Current State: 40:[20, 68, 42], Operations: ['58-16=42'] Exploring Operation: 42-20=22, Resulting Numbers: [68, 22] Generated Node #0,3,0: 40:[68, 22] Operation: 42-20=22 Exploring Operation: 68-42=26, Resulting Numbers: [20, 26] Generated Node #0,3,1: 40:[20, 26] Operation: 68-42=26 Exploring Operation: 20+68=88, Resulting Numbers: [42, 88] Generated Node #0,3,2: 40:[42, 88] Operation: 20+68=88 Exploring Operation: 20+42=62, Resulting Numbers: [68, 62] Generated Node #0,3,3: 40:[68, 62] Operation: 20+42=62 Exploring Operation: 68-20=48, Resulting Numbers: [42, 48] Generated Node #0,3,4: 40:[42, 48] Operation: 68-20=48 Moving to Node #0,2 Current State: 40:[58, 20, 52], Operations: ['68-16=52'] Exploring Operation: 52-20=32, Resulting Numbers: [58, 32] Generated Node #0,2,0: 40:[58, 32] Operation: 52-20=32 Exploring Operation: 58+20=78, Resulting Numbers: [52, 78] Generated Node #0,2,1: 40:[52, 78] Operation: 58+20=78 Exploring Operation: 20+52=72, Resulting Numbers: [58, 72] Generated Node #0,2,2: 40:[58, 72] Operation: 20+52=72 Exploring Operation: 58-52=6, Resulting Numbers: [20, 6] Generated Node #0,2,3: 40:[20, 6] Operation: 58-52=6 Exploring Operation: 58-20=38, Resulting Numbers: [52, 38] Generated Node #0,2,4: 40:[52, 38] Operation: 58-20=38 Moving to Node #0,4 Current State: 40:[58, 16, 48], Operations: ['68-20=48'] Exploring Operation: 48-16=32, Resulting Numbers: [58, 32] Generated Node #0,4,0: 40:[58, 32] Operation: 48-16=32 Exploring Operation: 58+16=74, Resulting Numbers: [48, 74] Generated Node #0,4,1: 40:[48, 74] Operation: 58+16=74 Exploring Operation: 58-16=42, Resulting Numbers: [48, 42] Generated Node #0,4,2: 40:[48, 42] Operation: 58-16=42 Exploring Operation: 48/16=3, Resulting Numbers: [58, 3] Generated Node #0,4,3: 40:[58, 3] Operation: 48/16=3 Exploring Operation: 58-48=10, Resulting Numbers: [16, 10] Generated Node #0,4,4: 40:[16, 10] Operation: 58-48=10 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 40:[16, 10], Operations: ['68-20=48', '58-48=10'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,40 unequal: No Solution No 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: 40:[48, 42], Operations: ['68-20=48', '58-16=42'] Exploring Operation: 48+42=90, Resulting Numbers: [90] 90,40 unequal: No Solution Exploring Operation: 48*42=2016, Resulting Numbers: [2016] 2016,40 unequal: No Solution Exploring Operation: 48-42=6, Resulting Numbers: [6] 6,40 unequal: No Solution No 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: 40:[58, 3], Operations: ['68-20=48', '48/16=3'] Exploring Operation: 58*3=174, Resulting Numbers: [174] 174,40 unequal: No Solution Exploring Operation: 58+3=61, Resulting Numbers: [61] 61,40 unequal: No Solution Exploring Operation: 58-3=55, Resulting Numbers: [55] 55,40 unequal: No Solution No 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: 40:[58, 32], Operations: ['68-20=48', '48-16=32'] Exploring Operation: 58-32=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 58+32=90, Resulting Numbers: [90] 90,40 unequal: No Solution Exploring Operation: 58*32=1856, Resulting Numbers: [1856] 1856,40 unequal: No Solution No 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: 40:[48, 74], Operations: ['68-20=48', '58+16=74'] Exploring Operation: 48+74=122, Resulting Numbers: [122] 122,40 unequal: No Solution Exploring Operation: 48*74=3552, Resulting Numbers: [3552] 3552,40 unequal: No Solution Exploring Operation: 74-48=26, Resulting Numbers: [26] 26,40 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: 40:[16, 68, 38], Operations: ['58-20=38'] Exploring Operation: 16+68=84, Resulting Numbers: [38, 84] Generated Node #0,1,0: 40:[38, 84] Operation: 16+68=84 Exploring Operation: 16+38=54, Resulting Numbers: [68, 54] Generated Node #0,1,1: 40:[68, 54] Operation: 16+38=54 Exploring Operation: 38-16=22, Resulting Numbers: [68, 22] Generated Node #0,1,2: 40:[68, 22] Operation: 38-16=22 Exploring Operation: 68-16=52, Resulting Numbers: [38, 52] Generated Node #0,1,3: 40:[38, 52] Operation: 68-16=52 Exploring Operation: 68-38=30, Resulting Numbers: [16, 30] Generated Node #0,1,4: 40:[16, 30] Operation: 68-38=30 Moving to Node #0,0,1 Current State: 40:[10, 4], Operations: ['68-58=10', '20-16=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,40 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[58, 16, 20, 68], Operations: [] Exploring Operation: 68-58=10, Resulting Numbers: [16, 20, 10] Generated Node #0,0: 40:[16, 20, 10] Operation: 68-58=10 Moving to Node #0,0 Current State: 40:[16, 20, 10], Operations: ['68-58=10'] Exploring Operation: 20-16=4, Resulting Numbers: [10, 4] Generated Node #0,0,1: 40:[10, 4] Operation: 20-16=4 Moving to Node #0,0,1 Current State: 40:[10, 4], Operations: ['68-58=10', '20-16=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
0.954861
hs_5
sum_heuristic
[ 6, 58, 54, 12 ]
13
[ "58*12=696", "6+696=702", "702/54=13" ]
Current State: 13:[6, 58, 54, 12], Operations: [] Exploring Operation: 58*12=696, Resulting Numbers: [6, 54, 696] Generated Node #2: [6, 54, 696] from Operation: 58*12=696 Current State: 13:[6, 54, 696], Operations: ['58*12=696'] Exploring Operation: 6+696=702, Resulting Numbers: [54, 702] Generated Node #3: [54, 702] from Operation: 6+696=702 Current State: 13:[54, 702], Operations: ['58*12=696', '6+696=702'] Exploring Operation: 702/54=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[6, 58, 54, 12], Operations: [] Exploring Operation: 58-54=4, Resulting Numbers: [6, 12, 4] Generated Node #0,0: 13:[6, 12, 4] Operation: 58-54=4 Exploring Operation: 54/6=9, Resulting Numbers: [58, 12, 9] Generated Node #0,1: 13:[58, 12, 9] Operation: 54/6=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[6, 12, 4], Operations: ['58-54=4'] Exploring Operation: 12+4=16, Resulting Numbers: [6, 16] Generated Node #0,0,0: 13:[6, 16] Operation: 12+4=16 Exploring Operation: 6+4=10, Resulting Numbers: [12, 10] Generated Node #0,0,1: 13:[12, 10] Operation: 6+4=10 Moving to Node #0,0,1 Current State: 13:[12, 10], Operations: ['58-54=4', '6+4=10'] Exploring Operation: 12+10=22, Resulting Numbers: [22] 22,13 unequal: No Solution Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[6, 16], Operations: ['58-54=4', '12+4=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,13 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 Current State: 13:[58, 12, 9], Operations: ['54/6=9'] Exploring Operation: 58-9=49, Resulting Numbers: [12, 49] Generated Node #0,1,0: 13:[12, 49] Operation: 58-9=49 Exploring Operation: 58-12=46, Resulting Numbers: [9, 46] Generated Node #0,1,1: 13:[9, 46] Operation: 58-12=46 Moving to Node #0,1,0 Current State: 13:[12, 49], Operations: ['54/6=9', '58-9=49'] Exploring Operation: 49-12=37, Resulting Numbers: [37] 37,13 unequal: No Solution Exploring Operation: 12+49=61, Resulting Numbers: [61] 61,13 unequal: No Solution Moving to Node #0,1,1 Current State: 13:[9, 46], Operations: ['54/6=9', '58-12=46'] Exploring Operation: 9+46=55, Resulting Numbers: [55] 55,13 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,13 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
[ 5, 76, 78, 81 ]
79
[ "5+76=81", "81/81=1", "78+1=79" ]
Current State: 79:[5, 76, 78, 81], Operations: [] Exploring Operation: 5+76=81, Resulting Numbers: [78, 81, 81] Generated Node #2: [78, 81, 81] from Operation: 5+76=81 Current State: 79:[78, 81, 81], Operations: ['5+76=81'] Exploring Operation: 81/81=1, Resulting Numbers: [78, 1] Generated Node #3: [78, 1] from Operation: 81/81=1 Current State: 79:[78, 1], Operations: ['5+76=81', '81/81=1'] Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[5, 76, 78, 81], Operations: [] Exploring Operation: 76-5=71, Resulting Numbers: [78, 81, 71] Generated Node #0,0: 79:[78, 81, 71] Operation: 76-5=71 Exploring Operation: 81-5=76, Resulting Numbers: [76, 78, 76] Generated Node #0,1: 79:[76, 78, 76] Operation: 81-5=76 Exploring Operation: 5+78=83, Resulting Numbers: [76, 81, 83] Generated Node #0,2: 79:[76, 81, 83] Operation: 5+78=83 Exploring Operation: 78-5=73, Resulting Numbers: [76, 81, 73] Generated Node #0,3: 79:[76, 81, 73] Operation: 78-5=73 Exploring Operation: 5+76=81, Resulting Numbers: [78, 81, 81] Generated Node #0,4: 79:[78, 81, 81] Operation: 5+76=81 Moving to Node #0,4 Current State: 79:[78, 81, 81], Operations: ['5+76=81'] Exploring Operation: 78+81=159, Resulting Numbers: [81, 159] Generated Node #0,4,0: 79:[81, 159] Operation: 78+81=159 Exploring Operation: 81-78=3, Resulting Numbers: [81, 3] Generated Node #0,4,1: 79:[81, 3] Operation: 81-78=3 Exploring Operation: 81-81=0, Resulting Numbers: [78, 0] Generated Node #0,4,2: 79:[78, 0] Operation: 81-81=0 Exploring Operation: 81-78=3, Resulting Numbers: [81, 3] Generated Node #0,4,3: 79:[81, 3] Operation: 81-78=3 Exploring Operation: 81/81=1, Resulting Numbers: [78, 1] Generated Node #0,4,4: 79:[78, 1] Operation: 81/81=1 Moving to Node #0,1 Current State: 79:[76, 78, 76], Operations: ['81-5=76'] Exploring Operation: 78-76=2, Resulting Numbers: [76, 2] Generated Node #0,1,0: 79:[76, 2] Operation: 78-76=2 Exploring Operation: 76/76=1, Resulting Numbers: [78, 1] Generated Node #0,1,1: 79:[78, 1] Operation: 76/76=1 Exploring Operation: 78+76=154, Resulting Numbers: [76, 154] Generated Node #0,1,2: 79:[76, 154] Operation: 78+76=154 Exploring Operation: 76+78=154, Resulting Numbers: [76, 154] Generated Node #0,1,3: 79:[76, 154] Operation: 76+78=154 Exploring Operation: 76+76=152, Resulting Numbers: [78, 152] Generated Node #0,1,4: 79:[78, 152] Operation: 76+76=152 Moving to Node #0,2 Current State: 79:[76, 81, 83], Operations: ['5+78=83'] Exploring Operation: 83-76=7, Resulting Numbers: [81, 7] Generated Node #0,2,0: 79:[81, 7] Operation: 83-76=7 Exploring Operation: 81-76=5, Resulting Numbers: [83, 5] Generated Node #0,2,1: 79:[83, 5] Operation: 81-76=5 Exploring Operation: 76+81=157, Resulting Numbers: [83, 157] Generated Node #0,2,2: 79:[83, 157] Operation: 76+81=157 Exploring Operation: 76+83=159, Resulting Numbers: [81, 159] Generated Node #0,2,3: 79:[81, 159] Operation: 76+83=159 Exploring Operation: 83-81=2, Resulting Numbers: [76, 2] Generated Node #0,2,4: 79:[76, 2] Operation: 83-81=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 79:[81, 7], Operations: ['5+78=83', '83-76=7'] Exploring Operation: 81+7=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,79 unequal: No Solution Exploring Operation: 81*7=567, Resulting Numbers: [567] 567,79 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 #0,2,1 Current State: 79:[83, 5], Operations: ['5+78=83', '81-76=5'] Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 83*5=415, Resulting Numbers: [415] 415,79 unequal: No Solution Exploring Operation: 83+5=88, Resulting Numbers: [88] 88,79 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 #0,2,4 Current State: 79:[76, 2], Operations: ['5+78=83', '83-81=2'] Exploring Operation: 76*2=152, Resulting Numbers: [152] 152,79 unequal: No Solution Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,79 unequal: No Solution Exploring Operation: 76+2=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,79 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 #0,2,2 Current State: 79:[83, 157], Operations: ['5+78=83', '76+81=157'] Exploring Operation: 83*157=13031, Resulting Numbers: [13031] 13031,79 unequal: No Solution Exploring Operation: 157-83=74, Resulting Numbers: [74] 74,79 unequal: No Solution Exploring Operation: 83+157=240, Resulting Numbers: [240] 240,79 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 #0,2,3 Current State: 79:[81, 159], Operations: ['5+78=83', '76+83=159'] Exploring Operation: 81*159=12879, Resulting Numbers: [12879] 12879,79 unequal: No Solution Exploring Operation: 159-81=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 81+159=240, Resulting Numbers: [240] 240,79 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: 79:[78, 81, 71], Operations: ['76-5=71'] Exploring Operation: 81+71=152, Resulting Numbers: [78, 152] Generated Node #0,0,0: 79:[78, 152] Operation: 81+71=152 Exploring Operation: 78-71=7, Resulting Numbers: [81, 7] Generated Node #0,0,1: 79:[81, 7] Operation: 78-71=7 Exploring Operation: 78+71=149, Resulting Numbers: [81, 149] Generated Node #0,0,2: 79:[81, 149] Operation: 78+71=149 Exploring Operation: 81-78=3, Resulting Numbers: [71, 3] Generated Node #0,0,3: 79:[71, 3] Operation: 81-78=3 Exploring Operation: 81-71=10, Resulting Numbers: [78, 10] Generated Node #0,0,4: 79:[78, 10] Operation: 81-71=10 Moving to Node #0,3 Current State: 79:[76, 81, 73], Operations: ['78-5=73'] Exploring Operation: 81-76=5, Resulting Numbers: [73, 5] Generated Node #0,3,0: 79:[73, 5] Operation: 81-76=5 Exploring Operation: 81+73=154, Resulting Numbers: [76, 154] Generated Node #0,3,1: 79:[76, 154] Operation: 81+73=154 Exploring Operation: 76-73=3, Resulting Numbers: [81, 3] Generated Node #0,3,2: 79:[81, 3] Operation: 76-73=3 Exploring Operation: 76+73=149, Resulting Numbers: [81, 149] Generated Node #0,3,3: 79:[81, 149] Operation: 76+73=149 Exploring Operation: 81-73=8, Resulting Numbers: [76, 8] Generated Node #0,3,4: 79:[76, 8] Operation: 81-73=8 Moving to Node #0,0,4 Current State: 79:[78, 10], Operations: ['76-5=71', '81-71=10'] Exploring Operation: 78+10=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 78*10=780, Resulting Numbers: [780] 780,79 unequal: No Solution Exploring Operation: 78-10=68, Resulting Numbers: [68] 68,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[81, 149], Operations: ['76-5=71', '78+71=149'] Exploring Operation: 81*149=12069, Resulting Numbers: [12069] 12069,79 unequal: No Solution Exploring Operation: 149-81=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 81+149=230, Resulting Numbers: [230] 230,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[81, 149], Operations: ['78-5=73', '76+73=149'] Exploring Operation: 149-81=68, Resulting Numbers: [68] 68,79 unequal: No Solution Exploring Operation: 81*149=12069, Resulting Numbers: [12069] 12069,79 unequal: No Solution Exploring Operation: 81+149=230, Resulting Numbers: [230] 230,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[81, 7], Operations: ['76-5=71', '78-71=7'] Exploring Operation: 81*7=567, Resulting Numbers: [567] 567,79 unequal: No Solution Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,79 unequal: No Solution Exploring Operation: 81+7=88, Resulting Numbers: [88] 88,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[78, 152], Operations: ['76-5=71', '81+71=152'] Exploring Operation: 78+152=230, Resulting Numbers: [230] 230,79 unequal: No Solution Exploring Operation: 78*152=11856, Resulting Numbers: [11856] 11856,79 unequal: No Solution Exploring Operation: 152-78=74, Resulting Numbers: [74] 74,79 unequal: No Solution Moving to Node #0,1,4 Current State: 79:[78, 152], Operations: ['81-5=76', '76+76=152'] Exploring Operation: 78*152=11856, Resulting Numbers: [11856] 11856,79 unequal: No Solution Exploring Operation: 152-78=74, Resulting Numbers: [74] 74,79 unequal: No Solution Exploring Operation: 78+152=230, Resulting Numbers: [230] 230,79 unequal: No Solution Moving to Node #0,3,4 Current State: 79:[76, 8], Operations: ['78-5=73', '81-73=8'] Exploring Operation: 76*8=608, Resulting Numbers: [608] 608,79 unequal: No Solution Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 76-8=68, Resulting Numbers: [68] 68,79 unequal: No Solution Moving to Node #0,1,2 Current State: 79:[76, 154], Operations: ['81-5=76', '78+76=154'] Exploring Operation: 76*154=11704, Resulting Numbers: [11704] 11704,79 unequal: No Solution Exploring Operation: 154-76=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 76+154=230, Resulting Numbers: [230] 230,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[81, 3], Operations: ['78-5=73', '76-73=3'] Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,79 unequal: No Solution Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 81*3=243, Resulting Numbers: [243] 243,79 unequal: No Solution Moving to Node #0,4,1 Current State: 79:[81, 3], Operations: ['5+76=81', '81-78=3'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,79 unequal: No Solution Exploring Operation: 81*3=243, Resulting Numbers: [243] 243,79 unequal: No Solution Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,79 unequal: No Solution Moving to Node #0,4,3 Current State: 79:[81, 3], Operations: ['5+76=81', '81-78=3'] Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 81*3=243, Resulting Numbers: [243] 243,79 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,79 unequal: No Solution Moving to Node #0,3,1 Current State: 79:[76, 154], Operations: ['78-5=73', '81+73=154'] Exploring Operation: 76+154=230, Resulting Numbers: [230] 230,79 unequal: No Solution Exploring Operation: 154-76=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 76*154=11704, Resulting Numbers: [11704] 11704,79 unequal: No Solution Moving to Node #0,1,3 Current State: 79:[76, 154], Operations: ['81-5=76', '76+78=154'] Exploring Operation: 154-76=78, Resulting Numbers: [78] 78,79 unequal: No Solution Exploring Operation: 76+154=230, Resulting Numbers: [230] 230,79 unequal: No Solution Exploring Operation: 76*154=11704, Resulting Numbers: [11704] 11704,79 unequal: No Solution Moving to Node #0,4,4 Current State: 79:[78, 1], Operations: ['5+76=81', '81/81=1'] Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached Moving to Node #0 Current State: 79:[5, 76, 78, 81], Operations: [] Exploring Operation: 5+76=81, Resulting Numbers: [78, 81, 81] Generated Node #0,4: 79:[78, 81, 81] Operation: 5+76=81 Moving to Node #0,4 Current State: 79:[78, 81, 81], Operations: ['5+76=81'] Exploring Operation: 81/81=1, Resulting Numbers: [78, 1] Generated Node #0,4,4: 79:[78, 1] Operation: 81/81=1 Moving to Node #0,4,4 Current State: 79:[78, 1], Operations: ['5+76=81', '81/81=1'] Exploring Operation: 78+1=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
0.919271
hs_5
sum_heuristic
[ 70, 4, 91, 27 ]
52
[ "70-4=66", "91+27=118", "118-66=52" ]
Current State: 52:[70, 4, 91, 27], Operations: [] Exploring Operation: 70-4=66, Resulting Numbers: [91, 27, 66] Generated Node #2: [91, 27, 66] from Operation: 70-4=66 Current State: 52:[91, 27, 66], Operations: ['70-4=66'] Exploring Operation: 91+27=118, Resulting Numbers: [66, 118] Generated Node #3: [66, 118] from Operation: 91+27=118 Current State: 52:[66, 118], Operations: ['70-4=66', '91+27=118'] Exploring Operation: 118-66=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[70, 4, 91, 27], Operations: [] Exploring Operation: 91-70=21, Resulting Numbers: [4, 27, 21] Generated Node #0,0: 52:[4, 27, 21] Operation: 91-70=21 Exploring Operation: 70-27=43, Resulting Numbers: [4, 91, 43] Generated Node #0,1: 52:[4, 91, 43] Operation: 70-27=43 Exploring Operation: 70-4=66, Resulting Numbers: [91, 27, 66] Generated Node #0,2: 52:[91, 27, 66] Operation: 70-4=66 Exploring Operation: 91-27=64, Resulting Numbers: [70, 4, 64] Generated Node #0,3: 52:[70, 4, 64] Operation: 91-27=64 Moving to Node #0,0 Current State: 52:[4, 27, 21], Operations: ['91-70=21'] Exploring Operation: 4+21=25, Resulting Numbers: [27, 25] Generated Node #0,0,0: 52:[27, 25] Operation: 4+21=25 Exploring Operation: 27-21=6, Resulting Numbers: [4, 6] Generated Node #0,0,1: 52:[4, 6] Operation: 27-21=6 Exploring Operation: 21-4=17, Resulting Numbers: [27, 17] Generated Node #0,0,2: 52:[27, 17] Operation: 21-4=17 Exploring Operation: 27+21=48, Resulting Numbers: [4, 48] Generated Node #0,0,3: 52:[4, 48] Operation: 27+21=48 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[27, 25], Operations: ['91-70=21', '4+21=25'] Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[70, 4, 91, 27], Operations: [] Exploring Operation: 91-70=21, Resulting Numbers: [4, 27, 21] Generated Node #0,0: 52:[4, 27, 21] Operation: 91-70=21 Moving to Node #0,0 Current State: 52:[4, 27, 21], Operations: ['91-70=21'] Exploring Operation: 4+21=25, Resulting Numbers: [27, 25] Generated Node #0,0,0: 52:[27, 25] Operation: 4+21=25 Moving to Node #0,0,0 Current State: 52:[27, 25], Operations: ['91-70=21', '4+21=25'] Exploring Operation: 27+25=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 42, 83, 41, 4 ]
39
[ "42+83=125", "41*4=164", "164-125=39" ]
Current State: 39:[42, 83, 41, 4], Operations: [] Exploring Operation: 42+83=125, Resulting Numbers: [41, 4, 125] Generated Node #2: [41, 4, 125] from Operation: 42+83=125 Current State: 39:[41, 4, 125], Operations: ['42+83=125'] Exploring Operation: 41*4=164, Resulting Numbers: [125, 164] Generated Node #3: [125, 164] from Operation: 41*4=164 Current State: 39:[125, 164], Operations: ['42+83=125', '41*4=164'] Exploring Operation: 164-125=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[42, 83, 41, 4], Operations: [] Exploring Operation: 83-41=42, Resulting Numbers: [42, 4, 42] Generated Node #0,0: 39:[42, 4, 42] Operation: 83-41=42 Exploring Operation: 83-4=79, Resulting Numbers: [42, 41, 79] Generated Node #0,1: 39:[42, 41, 79] Operation: 83-4=79 Exploring Operation: 83-42=41, Resulting Numbers: [41, 4, 41] Generated Node #0,2: 39:[41, 4, 41] Operation: 83-42=41 Start Sub Search at level 1: Moving to Node #0,2 Current State: 39:[41, 4, 41], Operations: ['83-42=41'] Exploring Operation: 41-4=37, Resulting Numbers: [41, 37] Generated Node #0,2,0: 39:[41, 37] Operation: 41-4=37 Exploring Operation: 41-41=0, Resulting Numbers: [4, 0] Generated Node #0,2,1: 39:[4, 0] Operation: 41-41=0 Exploring Operation: 41/41=1, Resulting Numbers: [4, 1] Generated Node #0,2,2: 39:[4, 1] Operation: 41/41=1 Moving to Node #0,2,2 Current State: 39:[4, 1], Operations: ['83-42=41', '41/41=1'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[41, 37], Operations: ['83-42=41', '41-4=37'] Exploring Operation: 41*37=1517, Resulting Numbers: [1517] 1517,39 unequal: No Solution Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 41+37=78, Resulting Numbers: [78] 78,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[4, 0], Operations: ['83-42=41', '41-41=0'] Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 4*0=0, Resulting Numbers: [0] 0,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[42, 4, 42], Operations: ['83-41=42'] Exploring Operation: 42-4=38, Resulting Numbers: [42, 38] Generated Node #0,0,0: 39:[42, 38] Operation: 42-4=38 Exploring Operation: 42/42=1, Resulting Numbers: [4, 1] Generated Node #0,0,1: 39:[4, 1] Operation: 42/42=1 Exploring Operation: 42-42=0, Resulting Numbers: [4, 0] Generated Node #0,0,2: 39:[4, 0] Operation: 42-42=0 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 39:[4, 1], Operations: ['83-41=42', '42/42=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,39 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[42, 38], Operations: ['83-41=42', '42-4=38'] Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,39 unequal: No Solution Exploring Operation: 42*38=1596, Resulting Numbers: [1596] 1596,39 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 39:[4, 0], Operations: ['83-41=42', '42-42=0'] Exploring Operation: 4+0=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 4-0=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 4*0=0, Resulting Numbers: [0] 0,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[42, 41, 79], Operations: ['83-4=79'] Exploring Operation: 79-42=37, Resulting Numbers: [41, 37] Generated Node #0,1,0: 39:[41, 37] Operation: 79-42=37 Exploring Operation: 79-41=38, Resulting Numbers: [42, 38] Generated Node #0,1,1: 39:[42, 38] Operation: 79-41=38 Exploring Operation: 42-41=1, Resulting Numbers: [79, 1] Generated Node #0,1,2: 39:[79, 1] Operation: 42-41=1 Moving to Node #0,1,0 Current State: 39:[41, 37], Operations: ['83-4=79', '79-42=37'] Exploring Operation: 41*37=1517, Resulting Numbers: [1517] 1517,39 unequal: No Solution Exploring Operation: 41+37=78, Resulting Numbers: [78] 78,39 unequal: No Solution Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[42, 38], Operations: ['83-4=79', '79-41=38'] Exploring Operation: 42*38=1596, Resulting Numbers: [1596] 1596,39 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[79, 1], Operations: ['83-4=79', '42-41=1'] Exploring Operation: 79/1=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 79*1=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 79-1=78, Resulting Numbers: [78] 78,39 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
[ 67, 19, 69, 34 ]
51
[ "67+19=86", "69-34=35", "86-35=51" ]
Current State: 51:[67, 19, 69, 34], Operations: [] Exploring Operation: 67+19=86, Resulting Numbers: [69, 34, 86] Generated Node #2: [69, 34, 86] from Operation: 67+19=86 Current State: 51:[69, 34, 86], Operations: ['67+19=86'] Exploring Operation: 69-34=35, Resulting Numbers: [86, 35] Generated Node #3: [86, 35] from Operation: 69-34=35 Current State: 51:[86, 35], Operations: ['67+19=86', '69-34=35'] Exploring Operation: 86-35=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[67, 19, 69, 34], Operations: [] Exploring Operation: 67-34=33, Resulting Numbers: [19, 69, 33] Generated Node #0,0: 51:[19, 69, 33] Operation: 67-34=33 Exploring Operation: 69-19=50, Resulting Numbers: [67, 34, 50] Generated Node #0,1: 51:[67, 34, 50] Operation: 69-19=50 Exploring Operation: 69-67=2, Resulting Numbers: [19, 34, 2] Generated Node #0,2: 51:[19, 34, 2] Operation: 69-67=2 Exploring Operation: 69-34=35, Resulting Numbers: [67, 19, 35] Generated Node #0,3: 51:[67, 19, 35] Operation: 69-34=35 Exploring Operation: 19+34=53, Resulting Numbers: [67, 69, 53] Generated Node #0,4: 51:[67, 69, 53] Operation: 19+34=53 Moving to Node #0,2 Current State: 51:[19, 34, 2], Operations: ['69-67=2'] Exploring Operation: 34/2=17, Resulting Numbers: [19, 17] Generated Node #0,2,0: 51:[19, 17] Operation: 34/2=17 Exploring Operation: 34-19=15, Resulting Numbers: [2, 15] Generated Node #0,2,1: 51:[2, 15] Operation: 34-19=15 Exploring Operation: 34+2=36, Resulting Numbers: [19, 36] Generated Node #0,2,2: 51:[19, 36] Operation: 34+2=36 Exploring Operation: 19-2=17, Resulting Numbers: [34, 17] Generated Node #0,2,3: 51:[34, 17] Operation: 19-2=17 Exploring Operation: 19+34=53, Resulting Numbers: [2, 53] Generated Node #0,2,4: 51:[2, 53] Operation: 19+34=53 Moving to Node #0,3 Current State: 51:[67, 19, 35], Operations: ['69-34=35'] Exploring Operation: 67-35=32, Resulting Numbers: [19, 32] Generated Node #0,3,0: 51:[19, 32] Operation: 67-35=32 Exploring Operation: 67+19=86, Resulting Numbers: [35, 86] Generated Node #0,3,1: 51:[35, 86] Operation: 67+19=86 Exploring Operation: 67-19=48, Resulting Numbers: [35, 48] Generated Node #0,3,2: 51:[35, 48] Operation: 67-19=48 Exploring Operation: 35-19=16, Resulting Numbers: [67, 16] Generated Node #0,3,3: 51:[67, 16] Operation: 35-19=16 Exploring Operation: 19+35=54, Resulting Numbers: [67, 54] Generated Node #0,3,4: 51:[67, 54] Operation: 19+35=54 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 51:[19, 32], Operations: ['69-34=35', '67-35=32'] Exploring Operation: 19+32=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[67, 19, 69, 34], Operations: [] Exploring Operation: 69-34=35, Resulting Numbers: [67, 19, 35] Generated Node #0,3: 51:[67, 19, 35] Operation: 69-34=35 Moving to Node #0,3 Current State: 51:[67, 19, 35], Operations: ['69-34=35'] Exploring Operation: 67-35=32, Resulting Numbers: [19, 32] Generated Node #0,3,0: 51:[19, 32] Operation: 67-35=32 Moving to Node #0,3,0 Current State: 51:[19, 32], Operations: ['69-34=35', '67-35=32'] Exploring Operation: 19+32=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 9, 70, 46, 18 ]
93
[ "9*46=414", "414/18=23", "70+23=93" ]
Current State: 93:[9, 70, 46, 18], Operations: [] Exploring Operation: 9*46=414, Resulting Numbers: [70, 18, 414] Generated Node #2: [70, 18, 414] from Operation: 9*46=414 Current State: 93:[70, 18, 414], Operations: ['9*46=414'] Exploring Operation: 414/18=23, Resulting Numbers: [70, 23] Generated Node #3: [70, 23] from Operation: 414/18=23 Current State: 93:[70, 23], Operations: ['9*46=414', '414/18=23'] Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[9, 70, 46, 18], Operations: [] Exploring Operation: 70-46=24, Resulting Numbers: [9, 18, 24] Generated Node #0,0: 93:[9, 18, 24] Operation: 70-46=24 Exploring Operation: 46-18=28, Resulting Numbers: [9, 70, 28] Generated Node #0,1: 93:[9, 70, 28] Operation: 46-18=28 Exploring Operation: 70+18=88, Resulting Numbers: [9, 46, 88] Generated Node #0,2: 93:[9, 46, 88] Operation: 70+18=88 Moving to Node #0,0 Current State: 93:[9, 18, 24], Operations: ['70-46=24'] Exploring Operation: 9+18=27, Resulting Numbers: [24, 27] Generated Node #0,0,0: 93:[24, 27] Operation: 9+18=27 Exploring Operation: 18/9=2, Resulting Numbers: [24, 2] Generated Node #0,0,1: 93:[24, 2] Operation: 18/9=2 Exploring Operation: 24-18=6, Resulting Numbers: [9, 6] Generated Node #0,0,2: 93:[9, 6] Operation: 24-18=6 Moving to Node #0,2 Current State: 93:[9, 46, 88], Operations: ['70+18=88'] Exploring Operation: 88-46=42, Resulting Numbers: [9, 42] Generated Node #0,2,0: 93:[9, 42] Operation: 88-46=42 Exploring Operation: 9+88=97, Resulting Numbers: [46, 97] Generated Node #0,2,1: 93:[46, 97] Operation: 9+88=97 Exploring Operation: 46-9=37, Resulting Numbers: [88, 37] Generated Node #0,2,2: 93:[88, 37] Operation: 46-9=37 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 93:[88, 37], Operations: ['70+18=88', '46-9=37'] Exploring Operation: 88-37=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 88+37=125, Resulting Numbers: [125] 125,93 unequal: No Solution Exploring Operation: 88*37=3256, Resulting Numbers: [3256] 3256,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 93:[9, 42], Operations: ['70+18=88', '88-46=42'] Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,93 unequal: No Solution Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,93 unequal: No Solution Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 93:[46, 97], Operations: ['70+18=88', '9+88=97'] Exploring Operation: 97-46=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 46+97=143, Resulting Numbers: [143] 143,93 unequal: No Solution Exploring Operation: 46*97=4462, Resulting Numbers: [4462] 4462,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 93:[9, 70, 28], Operations: ['46-18=28'] Exploring Operation: 9+70=79, Resulting Numbers: [28, 79] Generated Node #0,1,0: 93:[28, 79] Operation: 9+70=79 Exploring Operation: 70+28=98, Resulting Numbers: [9, 98] Generated Node #0,1,1: 93:[9, 98] Operation: 70+28=98 Exploring Operation: 70-28=42, Resulting Numbers: [9, 42] Generated Node #0,1,2: 93:[9, 42] Operation: 70-28=42 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 93:[9, 98], Operations: ['46-18=28', '70+28=98'] Exploring Operation: 98-9=89, Resulting Numbers: [89] 89,93 unequal: No Solution Exploring Operation: 9+98=107, Resulting Numbers: [107] 107,93 unequal: No Solution Exploring Operation: 9*98=882, Resulting Numbers: [882] 882,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 93:[28, 79], Operations: ['46-18=28', '9+70=79'] Exploring Operation: 28+79=107, Resulting Numbers: [107] 107,93 unequal: No Solution Exploring Operation: 28*79=2212, Resulting Numbers: [2212] 2212,93 unequal: No Solution Exploring Operation: 79-28=51, Resulting Numbers: [51] 51,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[9, 42], Operations: ['46-18=28', '70-28=42'] Exploring Operation: 9+42=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 9*42=378, Resulting Numbers: [378] 378,93 unequal: No Solution Exploring Operation: 42-9=33, Resulting Numbers: [33] 33,93 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: 93:[24, 2], Operations: ['70-46=24', '18/9=2'] Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,93 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,93 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[9, 6], Operations: ['70-46=24', '24-18=6'] Exploring Operation: 9-6=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 9+6=15, Resulting Numbers: [15] 15,93 unequal: No Solution Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[24, 27], Operations: ['70-46=24', '9+18=27'] Exploring Operation: 24*27=648, Resulting Numbers: [648] 648,93 unequal: No Solution Exploring Operation: 27-24=3, Resulting Numbers: [3] 3,93 unequal: No Solution Exploring Operation: 24+27=51, Resulting Numbers: [51] 51,93 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 12, 5, 9, 9 ]
96
[ "12+9=21", "5*21=105", "105-9=96" ]
Current State: 96:[12, 5, 9, 9], Operations: [] Exploring Operation: 12+9=21, Resulting Numbers: [5, 21] Generated Node #2: [5, 21] from Operation: 12+9=21 Current State: 96:[5, 21], Operations: ['12+9=21'] Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,96 equal: Goal Reached Exploring Operation: 105-9=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[12, 5, 9, 9], Operations: [] Exploring Operation: 12-9=3, Resulting Numbers: [5, 9, 3] Generated Node #0,0: 96:[5, 9, 3] Operation: 12-9=3 Exploring Operation: 12-9=3, Resulting Numbers: [5, 9, 3] Generated Node #0,1: 96:[5, 9, 3] Operation: 12-9=3 Exploring Operation: 9/9=1, Resulting Numbers: [12, 5, 1] Generated Node #0,2: 96:[12, 5, 1] Operation: 9/9=1 Exploring Operation: 9-5=4, Resulting Numbers: [12, 9, 4] Generated Node #0,3: 96:[12, 9, 4] Operation: 9-5=4 Exploring Operation: 9-5=4, Resulting Numbers: [12, 9, 4] Generated Node #0,4: 96:[12, 9, 4] Operation: 9-5=4 Start Sub Search at level 1: Moving to Node #0,3 Current State: 96:[12, 9, 4], Operations: ['9-5=4'] Exploring Operation: 12-4=8, Resulting Numbers: [9, 8] Generated Node #0,3,0: 96:[9, 8] Operation: 12-4=8 Exploring Operation: 12-9=3, Resulting Numbers: [4, 3] Generated Node #0,3,1: 96:[4, 3] Operation: 12-9=3 Exploring Operation: 12/4=3, Resulting Numbers: [9, 3] Generated Node #0,3,2: 96:[9, 3] Operation: 12/4=3 Exploring Operation: 12+4=16, Resulting Numbers: [9, 16] Generated Node #0,3,3: 96:[9, 16] Operation: 12+4=16 Exploring Operation: 12*4=48, Resulting Numbers: [9, 48] Generated Node #0,3,4: 96:[9, 48] Operation: 12*4=48 Moving to Node #0,3,1 Current State: 96:[4, 3], Operations: ['9-5=4', '12-9=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,96 unequal: No Solution Moving to Node #0,3,2 Current State: 96:[9, 3], Operations: ['9-5=4', '12/4=3'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,96 unequal: No Solution Moving to Node #0,3,4 Current State: 96:[9, 48], Operations: ['9-5=4', '12*4=48'] Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,96 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,96 unequal: No Solution Moving to Node #0,3,0 Current State: 96:[9, 8], Operations: ['9-5=4', '12-4=8'] Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,96 unequal: No Solution Moving to Node #0,3,3 Current State: 96:[9, 16], Operations: ['9-5=4', '12+4=16'] Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 96:[12, 9, 4], Operations: ['9-5=4'] Exploring Operation: 12+4=16, Resulting Numbers: [9, 16] Generated Node #0,4,0: 96:[9, 16] Operation: 12+4=16 Exploring Operation: 12-4=8, Resulting Numbers: [9, 8] Generated Node #0,4,1: 96:[9, 8] Operation: 12-4=8 Exploring Operation: 12-9=3, Resulting Numbers: [4, 3] Generated Node #0,4,2: 96:[4, 3] Operation: 12-9=3 Exploring Operation: 12/4=3, Resulting Numbers: [9, 3] Generated Node #0,4,3: 96:[9, 3] Operation: 12/4=3 Exploring Operation: 12*4=48, Resulting Numbers: [9, 48] Generated Node #0,4,4: 96:[9, 48] Operation: 12*4=48 Moving to Node #0,4,2 Current State: 96:[4, 3], Operations: ['9-5=4', '12-9=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,96 unequal: No Solution Moving to Node #0,4,1 Current State: 96:[9, 8], Operations: ['9-5=4', '12-4=8'] Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,96 unequal: No Solution Moving to Node #0,4,4 Current State: 96:[9, 48], Operations: ['9-5=4', '12*4=48'] Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,96 unequal: No Solution Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,96 unequal: No Solution Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,96 unequal: No Solution Moving to Node #0,4,0 Current State: 96:[9, 16], Operations: ['9-5=4', '12+4=16'] Exploring Operation: 9+16=25, Resulting Numbers: [25] 25,96 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 9*16=144, Resulting Numbers: [144] 144,96 unequal: No Solution Moving to Node #0,4,3 Current State: 96:[9, 3], Operations: ['9-5=4', '12/4=3'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,96 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[5, 9, 3], Operations: ['12-9=3'] Exploring Operation: 9-5=4, Resulting Numbers: [3, 4] Generated Node #0,0,0: 96:[3, 4] Operation: 9-5=4 Exploring Operation: 9+3=12, Resulting Numbers: [5, 12] Generated Node #0,0,1: 96:[5, 12] Operation: 9+3=12 Exploring Operation: 5+3=8, Resulting Numbers: [9, 8] Generated Node #0,0,2: 96:[9, 8] Operation: 5+3=8 Exploring Operation: 9-3=6, Resulting Numbers: [5, 6] Generated Node #0,0,3: 96:[5, 6] Operation: 9-3=6 Exploring Operation: 5-3=2, Resulting Numbers: [9, 2] Generated Node #0,0,4: 96:[9, 2] Operation: 5-3=2 Moving to Node #0,0,0 Current State: 96:[3, 4], Operations: ['12-9=3', '9-5=4'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[9, 8], Operations: ['12-9=3', '5+3=8'] Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,96 unequal: No Solution Moving to Node #0,0,4 Current State: 96:[9, 2], Operations: ['12-9=3', '5-3=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[5, 12], Operations: ['12-9=3', '9+3=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,96 unequal: No Solution Moving to Node #0,0,3 Current State: 96:[5, 6], Operations: ['12-9=3', '9-3=6'] Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[5, 9, 3], Operations: ['12-9=3'] Exploring Operation: 9-3=6, Resulting Numbers: [5, 6] Generated Node #0,1,0: 96:[5, 6] Operation: 9-3=6 Exploring Operation: 9-5=4, Resulting Numbers: [3, 4] Generated Node #0,1,1: 96:[3, 4] Operation: 9-5=4 Exploring Operation: 5-3=2, Resulting Numbers: [9, 2] Generated Node #0,1,2: 96:[9, 2] Operation: 5-3=2 Exploring Operation: 9+3=12, Resulting Numbers: [5, 12] Generated Node #0,1,3: 96:[5, 12] Operation: 9+3=12 Exploring Operation: 5+3=8, Resulting Numbers: [9, 8] Generated Node #0,1,4: 96:[9, 8] Operation: 5+3=8 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 96:[3, 4], Operations: ['12-9=3', '9-5=4'] Exploring Operation: 3+4=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 3*4=12, Resulting Numbers: [12] 12,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[5, 6], Operations: ['12-9=3', '9-3=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,96 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 96:[9, 2], Operations: ['12-9=3', '5-3=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,96 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 96:[5, 12], Operations: ['12-9=3', '9+3=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 96:[9, 8], Operations: ['12-9=3', '5+3=8'] Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,96 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[12, 5, 1], Operations: ['9/9=1'] Exploring Operation: 5*1=5, Resulting Numbers: [12, 5] Generated Node #0,2,0: 96:[12, 5] Operation: 5*1=5 Exploring Operation: 5+1=6, Resulting Numbers: [12, 6] Generated Node #0,2,1: 96:[12, 6] Operation: 5+1=6 Exploring Operation: 5-1=4, Resulting Numbers: [12, 4] Generated Node #0,2,2: 96:[12, 4] Operation: 5-1=4 Exploring Operation: 12*1=12, Resulting Numbers: [5, 12] Generated Node #0,2,3: 96:[5, 12] Operation: 12*1=12 Exploring Operation: 12/1=12, Resulting Numbers: [5, 12] Generated Node #0,2,4: 96:[5, 12] Operation: 12/1=12 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 96:[12, 6], Operations: ['9/9=1', '5+1=6'] Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 96:[12, 4], Operations: ['9/9=1', '5-1=4'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,96 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,96 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,96 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[12, 5], Operations: ['9/9=1', '5*1=5'] Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 12+5=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 12*5=60, Resulting Numbers: [60] 60,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 96:[5, 12], Operations: ['9/9=1', '12*1=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,96 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 96:[5, 12], Operations: ['9/9=1', '12/1=12'] Exploring Operation: 5*12=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 12-5=7, Resulting Numbers: [7] 7,96 unequal: No Solution Exploring Operation: 5+12=17, Resulting Numbers: [17] 17,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 17, 21, 84, 8 ]
31
[ "17*8=136", "21+84=105", "136-105=31" ]
Current State: 31:[17, 21, 84, 8], Operations: [] Exploring Operation: 17*8=136, Resulting Numbers: [21, 84, 136] Generated Node #2: [21, 84, 136] from Operation: 17*8=136 Current State: 31:[21, 84, 136], Operations: ['17*8=136'] Exploring Operation: 21+84=105, Resulting Numbers: [136, 105] Generated Node #3: [136, 105] from Operation: 21+84=105 Current State: 31:[136, 105], Operations: ['17*8=136', '21+84=105'] Exploring Operation: 136-105=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[17, 21, 84, 8], Operations: [] Exploring Operation: 17+8=25, Resulting Numbers: [21, 84, 25] Generated Node #0,0: 31:[21, 84, 25] Operation: 17+8=25 Exploring Operation: 84-21=63, Resulting Numbers: [17, 8, 63] Generated Node #0,1: 31:[17, 8, 63] Operation: 84-21=63 Exploring Operation: 84-17=67, Resulting Numbers: [21, 8, 67] Generated Node #0,2: 31:[21, 8, 67] Operation: 84-17=67 Exploring Operation: 84/21=4, Resulting Numbers: [17, 8, 4] Generated Node #0,3: 31:[17, 8, 4] Operation: 84/21=4 Moving to Node #0,3 Current State: 31:[17, 8, 4], Operations: ['84/21=4'] Exploring Operation: 8*4=32, Resulting Numbers: [17, 32] Generated Node #0,3,0: 31:[17, 32] Operation: 8*4=32 Exploring Operation: 8+4=12, Resulting Numbers: [17, 12] Generated Node #0,3,1: 31:[17, 12] Operation: 8+4=12 Exploring Operation: 17+8=25, Resulting Numbers: [4, 25] Generated Node #0,3,2: 31:[4, 25] Operation: 17+8=25 Exploring Operation: 17+4=21, Resulting Numbers: [8, 21] Generated Node #0,3,3: 31:[8, 21] Operation: 17+4=21 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 31:[17, 32], Operations: ['84/21=4', '8*4=32'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,31 unequal: No Solution Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,31 unequal: No Solution Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 31:[17, 12], Operations: ['84/21=4', '8+4=12'] Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,31 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,31 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 31:[4, 25], Operations: ['84/21=4', '17+8=25'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 31:[8, 21], Operations: ['84/21=4', '17+4=21'] Exploring Operation: 8+21=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 8*21=168, Resulting Numbers: [168] 168,31 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,31 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: 31:[17, 8, 63], Operations: ['84-21=63'] Exploring Operation: 63-8=55, Resulting Numbers: [17, 55] Generated Node #0,1,0: 31:[17, 55] Operation: 63-8=55 Exploring Operation: 17-8=9, Resulting Numbers: [63, 9] Generated Node #0,1,1: 31:[63, 9] Operation: 17-8=9 Exploring Operation: 63-17=46, Resulting Numbers: [8, 46] Generated Node #0,1,2: 31:[8, 46] Operation: 63-17=46 Exploring Operation: 17+8=25, Resulting Numbers: [63, 25] Generated Node #0,1,3: 31:[63, 25] Operation: 17+8=25 Moving to Node #0,0 Current State: 31:[21, 84, 25], Operations: ['17+8=25'] Exploring Operation: 84-21=63, Resulting Numbers: [25, 63] Generated Node #0,0,0: 31:[25, 63] Operation: 84-21=63 Exploring Operation: 21+25=46, Resulting Numbers: [84, 46] Generated Node #0,0,1: 31:[84, 46] Operation: 21+25=46 Exploring Operation: 84-25=59, Resulting Numbers: [21, 59] Generated Node #0,0,2: 31:[21, 59] Operation: 84-25=59 Exploring Operation: 84/21=4, Resulting Numbers: [25, 4] Generated Node #0,0,3: 31:[25, 4] Operation: 84/21=4 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 31:[25, 4], Operations: ['17+8=25', '84/21=4'] Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,31 unequal: No Solution Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,31 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 31:[25, 63], Operations: ['17+8=25', '84-21=63'] Exploring Operation: 25*63=1575, Resulting Numbers: [1575] 1575,31 unequal: No Solution Exploring Operation: 25+63=88, Resulting Numbers: [88] 88,31 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 31:[21, 59], Operations: ['17+8=25', '84-25=59'] Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 21*59=1239, Resulting Numbers: [1239] 1239,31 unequal: No Solution Exploring Operation: 21+59=80, Resulting Numbers: [80] 80,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 31:[84, 46], Operations: ['17+8=25', '21+25=46'] Exploring Operation: 84*46=3864, Resulting Numbers: [3864] 3864,31 unequal: No Solution Exploring Operation: 84-46=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 84+46=130, Resulting Numbers: [130] 130,31 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: 31:[21, 8, 67], Operations: ['84-17=67'] Exploring Operation: 67-8=59, Resulting Numbers: [21, 59] Generated Node #0,2,0: 31:[21, 59] Operation: 67-8=59 Exploring Operation: 21+8=29, Resulting Numbers: [67, 29] Generated Node #0,2,1: 31:[67, 29] Operation: 21+8=29 Exploring Operation: 67-21=46, Resulting Numbers: [8, 46] Generated Node #0,2,2: 31:[8, 46] Operation: 67-21=46 Exploring Operation: 21-8=13, Resulting Numbers: [67, 13] Generated Node #0,2,3: 31:[67, 13] Operation: 21-8=13 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 31:[21, 59], Operations: ['84-17=67', '67-8=59'] Exploring Operation: 21+59=80, Resulting Numbers: [80] 80,31 unequal: No Solution Exploring Operation: 59-21=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 21*59=1239, Resulting Numbers: [1239] 1239,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 31:[67, 29], Operations: ['84-17=67', '21+8=29'] Exploring Operation: 67*29=1943, Resulting Numbers: [1943] 1943,31 unequal: No Solution Exploring Operation: 67-29=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 67+29=96, Resulting Numbers: [96] 96,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 31:[8, 46], Operations: ['84-17=67', '67-21=46'] Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 8*46=368, Resulting Numbers: [368] 368,31 unequal: No Solution Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 31:[67, 13], Operations: ['84-17=67', '21-8=13'] Exploring Operation: 67-13=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 67*13=871, Resulting Numbers: [871] 871,31 unequal: No Solution Exploring Operation: 67+13=80, Resulting Numbers: [80] 80,31 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: 31:[17, 55], Operations: ['84-21=63', '63-8=55'] Exploring Operation: 17*55=935, Resulting Numbers: [935] 935,31 unequal: No Solution Exploring Operation: 17+55=72, Resulting Numbers: [72] 72,31 unequal: No Solution Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[63, 25], Operations: ['84-21=63', '17+8=25'] Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 63*25=1575, Resulting Numbers: [1575] 1575,31 unequal: No Solution Exploring Operation: 63+25=88, Resulting Numbers: [88] 88,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[8, 46], Operations: ['84-21=63', '63-17=46'] Exploring Operation: 8+46=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 46-8=38, Resulting Numbers: [38] 38,31 unequal: No Solution Exploring Operation: 8*46=368, Resulting Numbers: [368] 368,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[63, 9], Operations: ['84-21=63', '17-8=9'] Exploring Operation: 63*9=567, Resulting Numbers: [567] 567,31 unequal: No Solution Exploring Operation: 63+9=72, Resulting Numbers: [72] 72,31 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,31 unequal: No Solution Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,31 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 24, 19, 37, 2 ]
25
[ "37-24=13", "19*2=38", "38-13=25" ]
Current State: 25:[24, 19, 37, 2], Operations: [] Exploring Operation: 37-24=13, Resulting Numbers: [19, 2, 13] Generated Node #2: [19, 2, 13] from Operation: 37-24=13 Current State: 25:[19, 2, 13], Operations: ['37-24=13'] Exploring Operation: 19*2=38, Resulting Numbers: [13, 38] Generated Node #3: [13, 38] from Operation: 19*2=38 Current State: 25:[13, 38], Operations: ['37-24=13', '19*2=38'] Exploring Operation: 38-13=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[24, 19, 37, 2], Operations: [] Exploring Operation: 24-19=5, Resulting Numbers: [37, 2, 5] Generated Node #0,0: 25:[37, 2, 5] Operation: 24-19=5 Exploring Operation: 37-19=18, Resulting Numbers: [24, 2, 18] Generated Node #0,1: 25:[24, 2, 18] Operation: 37-19=18 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[24, 2, 18], Operations: ['37-19=18'] Exploring Operation: 24-18=6, Resulting Numbers: [2, 6] Generated Node #0,1,0: 25:[2, 6] Operation: 24-18=6 Exploring Operation: 18/2=9, Resulting Numbers: [24, 9] Generated Node #0,1,1: 25:[24, 9] Operation: 18/2=9 Moving to Node #0,1,0 Current State: 25:[2, 6], Operations: ['37-19=18', '24-18=6'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[24, 9], Operations: ['37-19=18', '18/2=9'] Exploring Operation: 24-9=15, Resulting Numbers: [15] 15,25 unequal: No Solution Exploring Operation: 24+9=33, Resulting Numbers: [33] 33,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[37, 2, 5], Operations: ['24-19=5'] Exploring Operation: 37-2=35, Resulting Numbers: [5, 35] Generated Node #0,0,0: 25:[5, 35] Operation: 37-2=35 Exploring Operation: 37-5=32, Resulting Numbers: [2, 32] Generated Node #0,0,1: 25:[2, 32] Operation: 37-5=32 Moving to Node #0,0,0 Current State: 25:[5, 35], Operations: ['24-19=5', '37-2=35'] Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[2, 32], Operations: ['24-19=5', '37-5=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,25 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,25 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
[ 7, 25, 73, 62 ]
76
[ "25+73=98", "98/7=14", "62+14=76" ]
Current State: 76:[7, 25, 73, 62], Operations: [] Exploring Operation: 25+73=98, Resulting Numbers: [7, 62, 98] Generated Node #2: [7, 62, 98] from Operation: 25+73=98 Current State: 76:[7, 62, 98], Operations: ['25+73=98'] Exploring Operation: 98/7=14, Resulting Numbers: [62, 14] Generated Node #3: [62, 14] from Operation: 98/7=14 Current State: 76:[62, 14], Operations: ['25+73=98', '98/7=14'] Exploring Operation: 62+14=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[7, 25, 73, 62], Operations: [] Exploring Operation: 62-25=37, Resulting Numbers: [7, 73, 37] Generated Node #0,0: 76:[7, 73, 37] Operation: 62-25=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[7, 73, 37], Operations: ['62-25=37'] Exploring Operation: 7+73=80, Resulting Numbers: [37, 80] Generated Node #0,0,0: 76:[37, 80] Operation: 7+73=80 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[37, 80], Operations: ['62-25=37', '7+73=80'] Exploring Operation: 80-37=43, Resulting Numbers: [43] 43,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 77, 47, 81, 56 ]
61
[ "81-77=4", "56/4=14", "47+14=61" ]
Current State: 61:[77, 47, 81, 56], Operations: [] Exploring Operation: 81-77=4, Resulting Numbers: [47, 56, 4] Generated Node #2: [47, 56, 4] from Operation: 81-77=4 Current State: 61:[47, 56, 4], Operations: ['81-77=4'] Exploring Operation: 56/4=14, Resulting Numbers: [47, 14] Generated Node #3: [47, 14] from Operation: 56/4=14 Current State: 61:[47, 14], Operations: ['81-77=4', '56/4=14'] Exploring Operation: 47+14=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[77, 47, 81, 56], Operations: [] Exploring Operation: 81-56=25, Resulting Numbers: [77, 47, 25] Generated Node #0,0: 61:[77, 47, 25] Operation: 81-56=25 Exploring Operation: 81-47=34, Resulting Numbers: [77, 56, 34] Generated Node #0,1: 61:[77, 56, 34] Operation: 81-47=34 Exploring Operation: 77-47=30, Resulting Numbers: [81, 56, 30] Generated Node #0,2: 61:[81, 56, 30] Operation: 77-47=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[77, 56, 34], Operations: ['81-47=34'] Exploring Operation: 77-34=43, Resulting Numbers: [56, 43] Generated Node #0,1,0: 61:[56, 43] Operation: 77-34=43 Exploring Operation: 56+34=90, Resulting Numbers: [77, 90] Generated Node #0,1,1: 61:[77, 90] Operation: 56+34=90 Exploring Operation: 77+34=111, Resulting Numbers: [56, 111] Generated Node #0,1,2: 61:[56, 111] Operation: 77+34=111 Moving to Node #0,1,0 Current State: 61:[56, 43], Operations: ['81-47=34', '77-34=43'] Exploring Operation: 56-43=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 56*43=2408, Resulting Numbers: [2408] 2408,61 unequal: No Solution Exploring Operation: 56+43=99, Resulting Numbers: [99] 99,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[77, 90], Operations: ['81-47=34', '56+34=90'] Exploring Operation: 77*90=6930, Resulting Numbers: [6930] 6930,61 unequal: No Solution Exploring Operation: 90-77=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 77+90=167, Resulting Numbers: [167] 167,61 unequal: No Solution Moving to Node #0,1,2 Current State: 61:[56, 111], Operations: ['81-47=34', '77+34=111'] Exploring Operation: 111-56=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 56+111=167, Resulting Numbers: [167] 167,61 unequal: No Solution Exploring Operation: 56*111=6216, Resulting Numbers: [6216] 6216,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[81, 56, 30], Operations: ['77-47=30'] Exploring Operation: 81+30=111, Resulting Numbers: [56, 111] Generated Node #0,2,0: 61:[56, 111] Operation: 81+30=111 Exploring Operation: 56+30=86, Resulting Numbers: [81, 86] Generated Node #0,2,1: 61:[81, 86] Operation: 56+30=86 Exploring Operation: 81-30=51, Resulting Numbers: [56, 51] Generated Node #0,2,2: 61:[56, 51] Operation: 81-30=51 Moving to Node #0,2,2 Current State: 61:[56, 51], Operations: ['77-47=30', '81-30=51'] Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,61 unequal: No Solution Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[81, 86], Operations: ['77-47=30', '56+30=86'] Exploring Operation: 81+86=167, Resulting Numbers: [167] 167,61 unequal: No Solution Exploring Operation: 81*86=6966, Resulting Numbers: [6966] 6966,61 unequal: No Solution Exploring Operation: 86-81=5, Resulting Numbers: [5] 5,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[56, 111], Operations: ['77-47=30', '81+30=111'] Exploring Operation: 56*111=6216, Resulting Numbers: [6216] 6216,61 unequal: No Solution Exploring Operation: 111-56=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 56+111=167, Resulting Numbers: [167] 167,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[77, 47, 25], Operations: ['81-56=25'] Exploring Operation: 77+25=102, Resulting Numbers: [47, 102] Generated Node #0,0,0: 61:[47, 102] Operation: 77+25=102 Exploring Operation: 77-25=52, Resulting Numbers: [47, 52] Generated Node #0,0,1: 61:[47, 52] Operation: 77-25=52 Exploring Operation: 47+25=72, Resulting Numbers: [77, 72] Generated Node #0,0,2: 61:[77, 72] Operation: 47+25=72 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 61:[47, 52], Operations: ['81-56=25', '77-25=52'] Exploring Operation: 52-47=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 47+52=99, Resulting Numbers: [99] 99,61 unequal: No Solution Exploring Operation: 47*52=2444, Resulting Numbers: [2444] 2444,61 unequal: No Solution No 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: 61:[77, 72], Operations: ['81-56=25', '47+25=72'] Exploring Operation: 77*72=5544, Resulting Numbers: [5544] 5544,61 unequal: No Solution Exploring Operation: 77+72=149, Resulting Numbers: [149] 149,61 unequal: No Solution Exploring Operation: 77-72=5, Resulting Numbers: [5] 5,61 unequal: No Solution No 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: 61:[47, 102], Operations: ['81-56=25', '77+25=102'] Exploring Operation: 47+102=149, Resulting Numbers: [149] 149,61 unequal: No Solution Exploring Operation: 102-47=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 47*102=4794, Resulting Numbers: [4794] 4794,61 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
[ 2, 34, 36, 96 ]
44
[ "36/2=18", "96-34=62", "62-18=44" ]
Current State: 44:[2, 34, 36, 96], Operations: [] Exploring Operation: 36/2=18, Resulting Numbers: [34, 96, 18] Generated Node #2: [34, 96, 18] from Operation: 36/2=18 Current State: 44:[34, 96, 18], Operations: ['36/2=18'] Exploring Operation: 96-34=62, Resulting Numbers: [18, 62] Generated Node #3: [18, 62] from Operation: 96-34=62 Current State: 44:[18, 62], Operations: ['36/2=18', '96-34=62'] Exploring Operation: 62-18=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[2, 34, 36, 96], Operations: [] Exploring Operation: 96/2=48, Resulting Numbers: [34, 36, 48] Generated Node #0,0: 44:[34, 36, 48] Operation: 96/2=48 Moving to Node #0,0 Current State: 44:[34, 36, 48], Operations: ['96/2=48'] Exploring Operation: 36-34=2, Resulting Numbers: [48, 2] Generated Node #0,0,0: 44:[48, 2] Operation: 36-34=2 Moving to Node #0,0,0 Current State: 44:[48, 2], Operations: ['96/2=48', '36-34=2'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,44 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 46, 23, 70, 50 ]
85
[ "46/23=2", "70/2=35", "50+35=85" ]
Current State: 85:[46, 23, 70, 50], Operations: [] Exploring Operation: 46/23=2, Resulting Numbers: [70, 50, 2] Generated Node #2: [70, 50, 2] from Operation: 46/23=2 Current State: 85:[70, 50, 2], Operations: ['46/23=2'] Exploring Operation: 70/2=35, Resulting Numbers: [50, 35] Generated Node #3: [50, 35] from Operation: 70/2=35 Current State: 85:[50, 35], Operations: ['46/23=2', '70/2=35'] Exploring Operation: 50+35=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[46, 23, 70, 50], Operations: [] Exploring Operation: 50-46=4, Resulting Numbers: [23, 70, 4] Generated Node #0,0: 85:[23, 70, 4] Operation: 50-46=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[23, 70, 4], Operations: ['50-46=4'] Exploring Operation: 23+70=93, Resulting Numbers: [4, 93] Generated Node #0,0,0: 85:[4, 93] Operation: 23+70=93 Moving to Node #0,0,0 Current State: 85:[4, 93], Operations: ['50-46=4', '23+70=93'] Exploring Operation: 93-4=89, Resulting Numbers: [89] 89,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 28, 54, 78, 78 ]
83
[ "28+54=82", "78/78=1", "82+1=83" ]
Current State: 83:[28, 54, 78, 78], Operations: [] Exploring Operation: 28+54=82, Resulting Numbers: [78, 78, 82] Generated Node #2: [78, 78, 82] from Operation: 28+54=82 Current State: 83:[78, 78, 82], Operations: ['28+54=82'] Exploring Operation: 78/78=1, Resulting Numbers: [82, 1] Generated Node #3: [82, 1] from Operation: 78/78=1 Current State: 83:[82, 1], Operations: ['28+54=82', '78/78=1'] Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[28, 54, 78, 78], Operations: [] Exploring Operation: 54-28=26, Resulting Numbers: [78, 78, 26] Generated Node #0,0: 83:[78, 78, 26] Operation: 54-28=26 Exploring Operation: 28+78=106, Resulting Numbers: [54, 78, 106] Generated Node #0,1: 83:[54, 78, 106] Operation: 28+78=106 Exploring Operation: 28+78=106, Resulting Numbers: [54, 78, 106] Generated Node #0,2: 83:[54, 78, 106] Operation: 28+78=106 Exploring Operation: 28+54=82, Resulting Numbers: [78, 78, 82] Generated Node #0,3: 83:[78, 78, 82] Operation: 28+54=82 Exploring Operation: 78-28=50, Resulting Numbers: [54, 78, 50] Generated Node #0,4: 83:[54, 78, 50] Operation: 78-28=50 Moving to Node #0,3 Current State: 83:[78, 78, 82], Operations: ['28+54=82'] Exploring Operation: 78+82=160, Resulting Numbers: [78, 160] Generated Node #0,3,0: 83:[78, 160] Operation: 78+82=160 Exploring Operation: 78-78=0, Resulting Numbers: [82, 0] Generated Node #0,3,1: 83:[82, 0] Operation: 78-78=0 Exploring Operation: 78/78=1, Resulting Numbers: [82, 1] Generated Node #0,3,2: 83:[82, 1] Operation: 78/78=1 Exploring Operation: 78+82=160, Resulting Numbers: [78, 160] Generated Node #0,3,3: 83:[78, 160] Operation: 78+82=160 Exploring Operation: 78+78=156, Resulting Numbers: [82, 156] Generated Node #0,3,4: 83:[82, 156] Operation: 78+78=156 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 83:[82, 156], Operations: ['28+54=82', '78+78=156'] Exploring Operation: 82+156=238, Resulting Numbers: [238] 238,83 unequal: No Solution Exploring Operation: 156-82=74, Resulting Numbers: [74] 74,83 unequal: No Solution Exploring Operation: 82*156=12792, Resulting Numbers: [12792] 12792,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 83:[78, 160], Operations: ['28+54=82', '78+82=160'] Exploring Operation: 78+160=238, Resulting Numbers: [238] 238,83 unequal: No Solution Exploring Operation: 78*160=12480, Resulting Numbers: [12480] 12480,83 unequal: No Solution Exploring Operation: 160-78=82, Resulting Numbers: [82] 82,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 83:[78, 160], Operations: ['28+54=82', '78+82=160'] Exploring Operation: 160-78=82, Resulting Numbers: [82] 82,83 unequal: No Solution Exploring Operation: 78+160=238, Resulting Numbers: [238] 238,83 unequal: No Solution Exploring Operation: 78*160=12480, Resulting Numbers: [12480] 12480,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 83:[82, 1], Operations: ['28+54=82', '78/78=1'] Exploring Operation: 82-1=81, Resulting Numbers: [81] 81,83 unequal: No Solution Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[28, 54, 78, 78], Operations: [] Exploring Operation: 28+54=82, Resulting Numbers: [78, 78, 82] Generated Node #0,3: 83:[78, 78, 82] Operation: 28+54=82 Moving to Node #0,3 Current State: 83:[78, 78, 82], Operations: ['28+54=82'] Exploring Operation: 78/78=1, Resulting Numbers: [82, 1] Generated Node #0,3,2: 83:[82, 1] Operation: 78/78=1 Moving to Node #0,3,2 Current State: 83:[82, 1], Operations: ['28+54=82', '78/78=1'] Exploring Operation: 82+1=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_5
mult_heuristic
[ 50, 29, 91, 27 ]
97
[ "50-29=21", "91+27=118", "118-21=97" ]
Current State: 97:[50, 29, 91, 27], Operations: [] Exploring Operation: 50-29=21, Resulting Numbers: [91, 27, 21] Generated Node #2: [91, 27, 21] from Operation: 50-29=21 Current State: 97:[91, 27, 21], Operations: ['50-29=21'] Exploring Operation: 91+27=118, Resulting Numbers: [21, 118] Generated Node #3: [21, 118] from Operation: 91+27=118 Current State: 97:[21, 118], Operations: ['50-29=21', '91+27=118'] Exploring Operation: 118-21=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[50, 29, 91, 27], Operations: [] Exploring Operation: 50+27=77, Resulting Numbers: [29, 91, 77] Generated Node #0,0: 97:[29, 91, 77] Operation: 50+27=77 Exploring Operation: 91+27=118, Resulting Numbers: [50, 29, 118] Generated Node #0,1: 97:[50, 29, 118] Operation: 91+27=118 Exploring Operation: 50+29=79, Resulting Numbers: [91, 27, 79] Generated Node #0,2: 97:[91, 27, 79] Operation: 50+29=79 Exploring Operation: 29+27=56, Resulting Numbers: [50, 91, 56] Generated Node #0,3: 97:[50, 91, 56] Operation: 29+27=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[29, 91, 77], Operations: ['50+27=77'] Exploring Operation: 77-29=48, Resulting Numbers: [91, 48] Generated Node #0,0,0: 97:[91, 48] Operation: 77-29=48 Exploring Operation: 91-29=62, Resulting Numbers: [77, 62] Generated Node #0,0,1: 97:[77, 62] Operation: 91-29=62 Exploring Operation: 29+77=106, Resulting Numbers: [91, 106] Generated Node #0,0,2: 97:[91, 106] Operation: 29+77=106 Exploring Operation: 29+91=120, Resulting Numbers: [77, 120] Generated Node #0,0,3: 97:[77, 120] Operation: 29+91=120 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[91, 106], Operations: ['50+27=77', '29+77=106'] Exploring Operation: 91*106=9646, Resulting Numbers: [9646] 9646,97 unequal: No Solution Exploring Operation: 106-91=15, Resulting Numbers: [15] 15,97 unequal: No Solution Exploring Operation: 91+106=197, Resulting Numbers: [197] 197,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 97:[77, 120], Operations: ['50+27=77', '29+91=120'] Exploring Operation: 120-77=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 77+120=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 77*120=9240, Resulting Numbers: [9240] 9240,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[91, 48], Operations: ['50+27=77', '77-29=48'] Exploring Operation: 91-48=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 91*48=4368, Resulting Numbers: [4368] 4368,97 unequal: No Solution Exploring Operation: 91+48=139, Resulting Numbers: [139] 139,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[77, 62], Operations: ['50+27=77', '91-29=62'] Exploring Operation: 77+62=139, Resulting Numbers: [139] 139,97 unequal: No Solution Exploring Operation: 77*62=4774, Resulting Numbers: [4774] 4774,97 unequal: No Solution Exploring Operation: 77-62=15, Resulting Numbers: [15] 15,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[91, 27, 79], Operations: ['50+29=79'] Exploring Operation: 91-27=64, Resulting Numbers: [79, 64] Generated Node #0,2,0: 97:[79, 64] Operation: 91-27=64 Exploring Operation: 27+79=106, Resulting Numbers: [91, 106] Generated Node #0,2,1: 97:[91, 106] Operation: 27+79=106 Exploring Operation: 91+27=118, Resulting Numbers: [79, 118] Generated Node #0,2,2: 97:[79, 118] Operation: 91+27=118 Exploring Operation: 79-27=52, Resulting Numbers: [91, 52] Generated Node #0,2,3: 97:[91, 52] Operation: 79-27=52 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 97:[91, 106], Operations: ['50+29=79', '27+79=106'] Exploring Operation: 91*106=9646, Resulting Numbers: [9646] 9646,97 unequal: No Solution Exploring Operation: 91+106=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 106-91=15, Resulting Numbers: [15] 15,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[79, 118], Operations: ['50+29=79', '91+27=118'] Exploring Operation: 79*118=9322, Resulting Numbers: [9322] 9322,97 unequal: No Solution Exploring Operation: 79+118=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 118-79=39, Resulting Numbers: [39] 39,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 97:[79, 64], Operations: ['50+29=79', '91-27=64'] Exploring Operation: 79-64=15, Resulting Numbers: [15] 15,97 unequal: No Solution Exploring Operation: 79*64=5056, Resulting Numbers: [5056] 5056,97 unequal: No Solution Exploring Operation: 79+64=143, Resulting Numbers: [143] 143,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 97:[91, 52], Operations: ['50+29=79', '79-27=52'] Exploring Operation: 91-52=39, Resulting Numbers: [39] 39,97 unequal: No Solution Exploring Operation: 91+52=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 91*52=4732, Resulting Numbers: [4732] 4732,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[50, 91, 56], Operations: ['29+27=56'] Exploring Operation: 56-50=6, Resulting Numbers: [91, 6] Generated Node #0,3,0: 97:[91, 6] Operation: 56-50=6 Exploring Operation: 50+56=106, Resulting Numbers: [91, 106] Generated Node #0,3,1: 97:[91, 106] Operation: 50+56=106 Exploring Operation: 50+91=141, Resulting Numbers: [56, 141] Generated Node #0,3,2: 97:[56, 141] Operation: 50+91=141 Exploring Operation: 91-50=41, Resulting Numbers: [56, 41] Generated Node #0,3,3: 97:[56, 41] Operation: 91-50=41 Moving to Node #0,3,1 Current State: 97:[91, 106], Operations: ['29+27=56', '50+56=106'] Exploring Operation: 106-91=15, Resulting Numbers: [15] 15,97 unequal: No Solution Exploring Operation: 91+106=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 91*106=9646, Resulting Numbers: [9646] 9646,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[56, 141], Operations: ['29+27=56', '50+91=141'] Exploring Operation: 141-56=85, Resulting Numbers: [85] 85,97 unequal: No Solution Exploring Operation: 56*141=7896, Resulting Numbers: [7896] 7896,97 unequal: No Solution Exploring Operation: 56+141=197, Resulting Numbers: [197] 197,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[56, 41], Operations: ['29+27=56', '91-50=41'] Exploring Operation: 56+41=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[50, 29, 91, 27], Operations: [] Exploring Operation: 29+27=56, Resulting Numbers: [50, 91, 56] Generated Node #0,3: 97:[50, 91, 56] Operation: 29+27=56 Moving to Node #0,3 Current State: 97:[50, 91, 56], Operations: ['29+27=56'] Exploring Operation: 91-50=41, Resulting Numbers: [56, 41] Generated Node #0,3,3: 97:[56, 41] Operation: 91-50=41 Moving to Node #0,3,3 Current State: 97:[56, 41], Operations: ['29+27=56', '91-50=41'] Exploring Operation: 56+41=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.955729
hs_4
sum_heuristic
[ 47, 9, 82, 71 ]
94
[ "82-9=73", "73-71=2", "47*2=94" ]
Current State: 94:[47, 9, 82, 71], Operations: [] Exploring Operation: 82-9=73, Resulting Numbers: [47, 71, 73] Generated Node #2: [47, 71, 73] from Operation: 82-9=73 Current State: 94:[47, 71, 73], Operations: ['82-9=73'] Exploring Operation: 73-71=2, Resulting Numbers: [47, 2] Generated Node #3: [47, 2] from Operation: 73-71=2 Current State: 94:[47, 2], Operations: ['82-9=73', '73-71=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[47, 9, 82, 71], Operations: [] Exploring Operation: 9+71=80, Resulting Numbers: [47, 82, 80] Generated Node #0,0: 94:[47, 82, 80] Operation: 9+71=80 Exploring Operation: 82-71=11, Resulting Numbers: [47, 9, 11] Generated Node #0,1: 94:[47, 9, 11] Operation: 82-71=11 Exploring Operation: 71-9=62, Resulting Numbers: [47, 82, 62] Generated Node #0,2: 94:[47, 82, 62] Operation: 71-9=62 Exploring Operation: 9+82=91, Resulting Numbers: [47, 71, 91] Generated Node #0,3: 94:[47, 71, 91] Operation: 9+82=91 Moving to Node #0,1 Current State: 94:[47, 9, 11], Operations: ['82-71=11'] Exploring Operation: 9*11=99, Resulting Numbers: [47, 99] Generated Node #0,1,0: 94:[47, 99] Operation: 9*11=99 Exploring Operation: 47-9=38, Resulting Numbers: [11, 38] Generated Node #0,1,1: 94:[11, 38] Operation: 47-9=38 Exploring Operation: 47+9=56, Resulting Numbers: [11, 56] Generated Node #0,1,2: 94:[11, 56] Operation: 47+9=56 Exploring Operation: 11-9=2, Resulting Numbers: [47, 2] Generated Node #0,1,3: 94:[47, 2] Operation: 11-9=2 Moving to Node #0,3 Current State: 94:[47, 71, 91], Operations: ['9+82=91'] Exploring Operation: 91-71=20, Resulting Numbers: [47, 20] Generated Node #0,3,0: 94:[47, 20] Operation: 91-71=20 Exploring Operation: 91-47=44, Resulting Numbers: [71, 44] Generated Node #0,3,1: 94:[71, 44] Operation: 91-47=44 Exploring Operation: 71-47=24, Resulting Numbers: [91, 24] Generated Node #0,3,2: 94:[91, 24] Operation: 71-47=24 Exploring Operation: 47+71=118, Resulting Numbers: [91, 118] Generated Node #0,3,3: 94:[91, 118] Operation: 47+71=118 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 94:[47, 20], Operations: ['9+82=91', '91-71=20'] Exploring Operation: 47*20=940, Resulting Numbers: [940] 940,94 unequal: No Solution Exploring Operation: 47+20=67, Resulting Numbers: [67] 67,94 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,94 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 #0,3,2 Current State: 94:[91, 24], Operations: ['9+82=91', '71-47=24'] Exploring Operation: 91*24=2184, Resulting Numbers: [2184] 2184,94 unequal: No Solution Exploring Operation: 91+24=115, Resulting Numbers: [115] 115,94 unequal: No Solution Exploring Operation: 91-24=67, Resulting Numbers: [67] 67,94 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 #0,3,1 Current State: 94:[71, 44], Operations: ['9+82=91', '91-47=44'] Exploring Operation: 71+44=115, Resulting Numbers: [115] 115,94 unequal: No Solution Exploring Operation: 71*44=3124, Resulting Numbers: [3124] 3124,94 unequal: No Solution Exploring Operation: 71-44=27, Resulting Numbers: [27] 27,94 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 #0,3,3 Current State: 94:[91, 118], Operations: ['9+82=91', '47+71=118'] Exploring Operation: 91+118=209, Resulting Numbers: [209] 209,94 unequal: No Solution Exploring Operation: 91*118=10738, Resulting Numbers: [10738] 10738,94 unequal: No Solution Exploring Operation: 118-91=27, Resulting Numbers: [27] 27,94 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: 94:[47, 82, 80], Operations: ['9+71=80'] Exploring Operation: 82-80=2, Resulting Numbers: [47, 2] Generated Node #0,0,0: 94:[47, 2] Operation: 82-80=2 Exploring Operation: 80-47=33, Resulting Numbers: [82, 33] Generated Node #0,0,1: 94:[82, 33] Operation: 80-47=33 Exploring Operation: 47+80=127, Resulting Numbers: [82, 127] Generated Node #0,0,2: 94:[82, 127] Operation: 47+80=127 Exploring Operation: 82-47=35, Resulting Numbers: [80, 35] Generated Node #0,0,3: 94:[80, 35] Operation: 82-47=35 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[47, 2], Operations: ['9+71=80', '82-80=2'] Exploring Operation: 47+2=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 47-2=45, Resulting Numbers: [45] 45,94 unequal: No Solution Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[47, 9, 82, 71], Operations: [] Exploring Operation: 9+71=80, Resulting Numbers: [47, 82, 80] Generated Node #0,0: 94:[47, 82, 80] Operation: 9+71=80 Moving to Node #0,0 Current State: 94:[47, 82, 80], Operations: ['9+71=80'] Exploring Operation: 82-80=2, Resulting Numbers: [47, 2] Generated Node #0,0,0: 94:[47, 2] Operation: 82-80=2 Moving to Node #0,0,0 Current State: 94:[47, 2], Operations: ['9+71=80', '82-80=2'] Exploring Operation: 47*2=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
sum_heuristic
[ 99, 84, 46, 97 ]
61
[ "99-97=2", "46/2=23", "84-23=61" ]
Current State: 61:[99, 84, 46, 97], Operations: [] Exploring Operation: 99-97=2, Resulting Numbers: [84, 46, 2] Generated Node #2: [84, 46, 2] from Operation: 99-97=2 Current State: 61:[84, 46, 2], Operations: ['99-97=2'] Exploring Operation: 46/2=23, Resulting Numbers: [84, 23] Generated Node #3: [84, 23] from Operation: 46/2=23 Current State: 61:[84, 23], Operations: ['99-97=2', '46/2=23'] Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[99, 84, 46, 97], Operations: [] Exploring Operation: 97-46=51, Resulting Numbers: [99, 84, 51] Generated Node #0,0: 61:[99, 84, 51] Operation: 97-46=51 Exploring Operation: 99-46=53, Resulting Numbers: [84, 97, 53] Generated Node #0,1: 61:[84, 97, 53] Operation: 99-46=53 Moving to Node #0,1 Current State: 61:[84, 97, 53], Operations: ['99-46=53'] Exploring Operation: 97-84=13, Resulting Numbers: [53, 13] Generated Node #0,1,0: 61:[53, 13] Operation: 97-84=13 Exploring Operation: 97-53=44, Resulting Numbers: [84, 44] Generated Node #0,1,1: 61:[84, 44] Operation: 97-53=44 Moving to Node #0,0 Current State: 61:[99, 84, 51], Operations: ['97-46=51'] Exploring Operation: 99-84=15, Resulting Numbers: [51, 15] Generated Node #0,0,0: 61:[51, 15] Operation: 99-84=15 Exploring Operation: 99-51=48, Resulting Numbers: [84, 48] Generated Node #0,0,1: 61:[84, 48] Operation: 99-51=48 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 61:[84, 48], Operations: ['97-46=51', '99-51=48'] Exploring Operation: 84-48=36, Resulting Numbers: [36] 36,61 unequal: No Solution Exploring Operation: 84+48=132, Resulting Numbers: [132] 132,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 61:[51, 15], Operations: ['97-46=51', '99-84=15'] Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,61 unequal: No Solution Exploring Operation: 51+15=66, Resulting Numbers: [66] 66,61 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: 61:[84, 44], Operations: ['99-46=53', '97-53=44'] Exploring Operation: 84-44=40, Resulting Numbers: [40] 40,61 unequal: No Solution Exploring Operation: 84+44=128, Resulting Numbers: [128] 128,61 unequal: No Solution Moving to Node #0,1,0 Current State: 61:[53, 13], Operations: ['99-46=53', '97-84=13'] Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,61 unequal: No Solution Exploring Operation: 53+13=66, Resulting Numbers: [66] 66,61 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 31, 19, 28, 34 ]
50
[ "31-19=12", "28+34=62", "62-12=50" ]
Current State: 50:[31, 19, 28, 34], Operations: [] Exploring Operation: 31-19=12, Resulting Numbers: [28, 34, 12] Generated Node #2: [28, 34, 12] from Operation: 31-19=12 Current State: 50:[28, 34, 12], Operations: ['31-19=12'] Exploring Operation: 28+34=62, Resulting Numbers: [12, 62] Generated Node #3: [12, 62] from Operation: 28+34=62 Current State: 50:[12, 62], Operations: ['31-19=12', '28+34=62'] Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[31, 19, 28, 34], Operations: [] Exploring Operation: 31-19=12, Resulting Numbers: [28, 34, 12] Generated Node #0,0: 50:[28, 34, 12] Operation: 31-19=12 Exploring Operation: 34-28=6, Resulting Numbers: [31, 19, 6] Generated Node #0,1: 50:[31, 19, 6] Operation: 34-28=6 Exploring Operation: 19+34=53, Resulting Numbers: [31, 28, 53] Generated Node #0,2: 50:[31, 28, 53] Operation: 19+34=53 Exploring Operation: 31+19=50, Resulting Numbers: [28, 34, 50] Generated Node #0,3: 50:[28, 34, 50] Operation: 31+19=50 Exploring Operation: 34-31=3, Resulting Numbers: [19, 28, 3] Generated Node #0,4: 50:[19, 28, 3] Operation: 34-31=3 Start Sub Search at level 1: Moving to Node #0,4 Current State: 50:[19, 28, 3], Operations: ['34-31=3'] Exploring Operation: 28-19=9, Resulting Numbers: [3, 9] Generated Node #0,4,0: 50:[3, 9] Operation: 28-19=9 Exploring Operation: 19+3=22, Resulting Numbers: [28, 22] Generated Node #0,4,1: 50:[28, 22] Operation: 19+3=22 Exploring Operation: 19+28=47, Resulting Numbers: [3, 47] Generated Node #0,4,2: 50:[3, 47] Operation: 19+28=47 Exploring Operation: 19-3=16, Resulting Numbers: [28, 16] Generated Node #0,4,3: 50:[28, 16] Operation: 19-3=16 Exploring Operation: 28-3=25, Resulting Numbers: [19, 25] Generated Node #0,4,4: 50:[19, 25] Operation: 28-3=25 Moving to Node #0,4,0 Current State: 50:[3, 9], Operations: ['34-31=3', '28-19=9'] Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,50 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,50 unequal: No Solution Moving to Node #0,4,2 Current State: 50:[3, 47], Operations: ['34-31=3', '19+28=47'] Exploring Operation: 47-3=44, Resulting Numbers: [44] 44,50 unequal: No Solution Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[31, 19, 28, 34], Operations: [] Exploring Operation: 34-31=3, Resulting Numbers: [19, 28, 3] Generated Node #0,4: 50:[19, 28, 3] Operation: 34-31=3 Moving to Node #0,4 Current State: 50:[19, 28, 3], Operations: ['34-31=3'] Exploring Operation: 19+28=47, Resulting Numbers: [3, 47] Generated Node #0,4,2: 50:[3, 47] Operation: 19+28=47 Moving to Node #0,4,2 Current State: 50:[3, 47], Operations: ['34-31=3', '19+28=47'] Exploring Operation: 3+47=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 9, 26, 4, 42 ]
98
[ "9+26=35", "4*35=140", "140-42=98" ]
Current State: 98:[9, 26, 4, 42], Operations: [] Exploring Operation: 9+26=35, Resulting Numbers: [4, 42, 35] Generated Node #2: [4, 42, 35] from Operation: 9+26=35 Current State: 98:[4, 42, 35], Operations: ['9+26=35'] Exploring Operation: 4*35=140, Resulting Numbers: [42, 140] Generated Node #3: [42, 140] from Operation: 4*35=140 Current State: 98:[42, 140], Operations: ['9+26=35', '4*35=140'] Exploring Operation: 140-42=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[9, 26, 4, 42], Operations: [] Exploring Operation: 42-26=16, Resulting Numbers: [9, 4, 16] Generated Node #0,0: 98:[9, 4, 16] Operation: 42-26=16 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[9, 4, 16], Operations: ['42-26=16'] Exploring Operation: 16-9=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 98:[4, 7] Operation: 16-9=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[4, 7], Operations: ['42-26=16', '16-9=7'] Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 45, 57, 72, 46 ]
49
[ "72-57=15", "45/15=3", "46+3=49" ]
Current State: 49:[45, 57, 72, 46], Operations: [] Exploring Operation: 72-57=15, Resulting Numbers: [45, 46, 15] Generated Node #2: [45, 46, 15] from Operation: 72-57=15 Current State: 49:[45, 46, 15], Operations: ['72-57=15'] Exploring Operation: 45/15=3, Resulting Numbers: [46, 3] Generated Node #3: [46, 3] from Operation: 45/15=3 Current State: 49:[46, 3], Operations: ['72-57=15', '45/15=3'] Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[45, 57, 72, 46], Operations: [] Exploring Operation: 72-57=15, Resulting Numbers: [45, 46, 15] Generated Node #0,0: 49:[45, 46, 15] Operation: 72-57=15 Exploring Operation: 72-46=26, Resulting Numbers: [45, 57, 26] Generated Node #0,1: 49:[45, 57, 26] Operation: 72-46=26 Exploring Operation: 72-45=27, Resulting Numbers: [57, 46, 27] Generated Node #0,2: 49:[57, 46, 27] Operation: 72-45=27 Exploring Operation: 57-45=12, Resulting Numbers: [72, 46, 12] Generated Node #0,3: 49:[72, 46, 12] Operation: 57-45=12 Exploring Operation: 57-46=11, Resulting Numbers: [45, 72, 11] Generated Node #0,4: 49:[45, 72, 11] Operation: 57-46=11 Moving to Node #0,0 Current State: 49:[45, 46, 15], Operations: ['72-57=15'] Exploring Operation: 46+15=61, Resulting Numbers: [45, 61] Generated Node #0,0,0: 49:[45, 61] Operation: 46+15=61 Exploring Operation: 45+15=60, Resulting Numbers: [46, 60] Generated Node #0,0,1: 49:[46, 60] Operation: 45+15=60 Exploring Operation: 45-15=30, Resulting Numbers: [46, 30] Generated Node #0,0,2: 49:[46, 30] Operation: 45-15=30 Exploring Operation: 46-45=1, Resulting Numbers: [15, 1] Generated Node #0,0,3: 49:[15, 1] Operation: 46-45=1 Exploring Operation: 45/15=3, Resulting Numbers: [46, 3] Generated Node #0,0,4: 49:[46, 3] Operation: 45/15=3 Moving to Node #0,2 Current State: 49:[57, 46, 27], Operations: ['72-45=27'] Exploring Operation: 57+27=84, Resulting Numbers: [46, 84] Generated Node #0,2,0: 49:[46, 84] Operation: 57+27=84 Exploring Operation: 46+27=73, Resulting Numbers: [57, 73] Generated Node #0,2,1: 49:[57, 73] Operation: 46+27=73 Exploring Operation: 57-46=11, Resulting Numbers: [27, 11] Generated Node #0,2,2: 49:[27, 11] Operation: 57-46=11 Exploring Operation: 57-27=30, Resulting Numbers: [46, 30] Generated Node #0,2,3: 49:[46, 30] Operation: 57-27=30 Exploring Operation: 46-27=19, Resulting Numbers: [57, 19] Generated Node #0,2,4: 49:[57, 19] Operation: 46-27=19 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 49:[57, 19], Operations: ['72-45=27', '46-27=19'] Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 57+19=76, Resulting Numbers: [76] 76,49 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 57*19=1083, Resulting Numbers: [1083] 1083,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 49:[46, 30], Operations: ['72-45=27', '57-27=30'] Exploring Operation: 46+30=76, Resulting Numbers: [76] 76,49 unequal: No Solution Exploring Operation: 46*30=1380, Resulting Numbers: [1380] 1380,49 unequal: No Solution Exploring Operation: 46-30=16, Resulting Numbers: [16] 16,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 49:[27, 11], Operations: ['72-45=27', '57-46=11'] Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,49 unequal: No Solution Exploring Operation: 27*11=297, Resulting Numbers: [297] 297,49 unequal: No Solution Exploring Operation: 27+11=38, Resulting Numbers: [38] 38,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 49:[57, 73], Operations: ['72-45=27', '46+27=73'] Exploring Operation: 57*73=4161, Resulting Numbers: [4161] 4161,49 unequal: No Solution Exploring Operation: 57+73=130, Resulting Numbers: [130] 130,49 unequal: No Solution Exploring Operation: 73-57=16, Resulting Numbers: [16] 16,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 49:[46, 84], Operations: ['72-45=27', '57+27=84'] Exploring Operation: 46*84=3864, Resulting Numbers: [3864] 3864,49 unequal: No Solution Exploring Operation: 84-46=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 46+84=130, Resulting Numbers: [130] 130,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 49:[45, 72, 11], Operations: ['57-46=11'] Exploring Operation: 45-11=34, Resulting Numbers: [72, 34] Generated Node #0,4,0: 49:[72, 34] Operation: 45-11=34 Exploring Operation: 45+11=56, Resulting Numbers: [72, 56] Generated Node #0,4,1: 49:[72, 56] Operation: 45+11=56 Exploring Operation: 72-45=27, Resulting Numbers: [11, 27] Generated Node #0,4,2: 49:[11, 27] Operation: 72-45=27 Exploring Operation: 72+11=83, Resulting Numbers: [45, 83] Generated Node #0,4,3: 49:[45, 83] Operation: 72+11=83 Exploring Operation: 72-11=61, Resulting Numbers: [45, 61] Generated Node #0,4,4: 49:[45, 61] Operation: 72-11=61 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 49:[45, 61], Operations: ['57-46=11', '72-11=61'] Exploring Operation: 45*61=2745, Resulting Numbers: [2745] 2745,49 unequal: No Solution Exploring Operation: 45+61=106, Resulting Numbers: [106] 106,49 unequal: No Solution Exploring Operation: 61-45=16, Resulting Numbers: [16] 16,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 49:[11, 27], Operations: ['57-46=11', '72-45=27'] Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,49 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,49 unequal: No Solution Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 49:[72, 56], Operations: ['57-46=11', '45+11=56'] Exploring Operation: 72+56=128, Resulting Numbers: [128] 128,49 unequal: No Solution Exploring Operation: 72-56=16, Resulting Numbers: [16] 16,49 unequal: No Solution Exploring Operation: 72*56=4032, Resulting Numbers: [4032] 4032,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 49:[72, 34], Operations: ['57-46=11', '45-11=34'] Exploring Operation: 72+34=106, Resulting Numbers: [106] 106,49 unequal: No Solution Exploring Operation: 72*34=2448, Resulting Numbers: [2448] 2448,49 unequal: No Solution Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 49:[45, 83], Operations: ['57-46=11', '72+11=83'] Exploring Operation: 45+83=128, Resulting Numbers: [128] 128,49 unequal: No Solution Exploring Operation: 45*83=3735, Resulting Numbers: [3735] 3735,49 unequal: No Solution Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 49:[45, 57, 26], Operations: ['72-46=26'] Exploring Operation: 45-26=19, Resulting Numbers: [57, 19] Generated Node #0,1,0: 49:[57, 19] Operation: 45-26=19 Exploring Operation: 57-26=31, Resulting Numbers: [45, 31] Generated Node #0,1,1: 49:[45, 31] Operation: 57-26=31 Exploring Operation: 57-45=12, Resulting Numbers: [26, 12] Generated Node #0,1,2: 49:[26, 12] Operation: 57-45=12 Exploring Operation: 57+26=83, Resulting Numbers: [45, 83] Generated Node #0,1,3: 49:[45, 83] Operation: 57+26=83 Exploring Operation: 45+26=71, Resulting Numbers: [57, 71] Generated Node #0,1,4: 49:[57, 71] Operation: 45+26=71 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 49:[57, 19], Operations: ['72-46=26', '45-26=19'] Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 57*19=1083, Resulting Numbers: [1083] 1083,49 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 57+19=76, Resulting Numbers: [76] 76,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 49:[45, 31], Operations: ['72-46=26', '57-26=31'] Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 45+31=76, Resulting Numbers: [76] 76,49 unequal: No Solution Exploring Operation: 45*31=1395, Resulting Numbers: [1395] 1395,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 49:[26, 12], Operations: ['72-46=26', '57-45=12'] Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 49:[57, 71], Operations: ['72-46=26', '45+26=71'] Exploring Operation: 57+71=128, Resulting Numbers: [128] 128,49 unequal: No Solution Exploring Operation: 71-57=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 57*71=4047, Resulting Numbers: [4047] 4047,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 49:[45, 83], Operations: ['72-46=26', '57+26=83'] Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 45*83=3735, Resulting Numbers: [3735] 3735,49 unequal: No Solution Exploring Operation: 45+83=128, Resulting Numbers: [128] 128,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 49:[72, 46, 12], Operations: ['57-45=12'] Exploring Operation: 72-12=60, Resulting Numbers: [46, 60] Generated Node #0,3,0: 49:[46, 60] Operation: 72-12=60 Exploring Operation: 72-46=26, Resulting Numbers: [12, 26] Generated Node #0,3,1: 49:[12, 26] Operation: 72-46=26 Exploring Operation: 72+12=84, Resulting Numbers: [46, 84] Generated Node #0,3,2: 49:[46, 84] Operation: 72+12=84 Exploring Operation: 46+12=58, Resulting Numbers: [72, 58] Generated Node #0,3,3: 49:[72, 58] Operation: 46+12=58 Exploring Operation: 72/12=6, Resulting Numbers: [46, 6] Generated Node #0,3,4: 49:[46, 6] Operation: 72/12=6 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 49:[46, 6], Operations: ['57-45=12', '72/12=6'] Exploring Operation: 46-6=40, Resulting Numbers: [40] 40,49 unequal: No Solution Exploring Operation: 46+6=52, Resulting Numbers: [52] 52,49 unequal: No Solution Exploring Operation: 46*6=276, Resulting Numbers: [276] 276,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 49:[46, 60], Operations: ['57-45=12', '72-12=60'] Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,49 unequal: No Solution Exploring Operation: 46+60=106, Resulting Numbers: [106] 106,49 unequal: No Solution Exploring Operation: 46*60=2760, Resulting Numbers: [2760] 2760,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 49:[12, 26], Operations: ['57-45=12', '72-46=26'] Exploring Operation: 12*26=312, Resulting Numbers: [312] 312,49 unequal: No Solution Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 49:[72, 58], Operations: ['57-45=12', '46+12=58'] Exploring Operation: 72+58=130, Resulting Numbers: [130] 130,49 unequal: No Solution Exploring Operation: 72*58=4176, Resulting Numbers: [4176] 4176,49 unequal: No Solution Exploring Operation: 72-58=14, Resulting Numbers: [14] 14,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 49:[46, 84], Operations: ['57-45=12', '72+12=84'] Exploring Operation: 46+84=130, Resulting Numbers: [130] 130,49 unequal: No Solution Exploring Operation: 84-46=38, Resulting Numbers: [38] 38,49 unequal: No Solution Exploring Operation: 46*84=3864, Resulting Numbers: [3864] 3864,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,4 Current State: 49:[46, 3], Operations: ['72-57=15', '45/15=3'] Exploring Operation: 46-3=43, Resulting Numbers: [43] 43,49 unequal: No Solution Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[45, 57, 72, 46], Operations: [] Exploring Operation: 72-57=15, Resulting Numbers: [45, 46, 15] Generated Node #0,0: 49:[45, 46, 15] Operation: 72-57=15 Moving to Node #0,0 Current State: 49:[45, 46, 15], Operations: ['72-57=15'] Exploring Operation: 45/15=3, Resulting Numbers: [46, 3] Generated Node #0,0,4: 49:[46, 3] Operation: 45/15=3 Moving to Node #0,0,4 Current State: 49:[46, 3], Operations: ['72-57=15', '45/15=3'] Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
0.914931
hs_5
mult_heuristic
[ 77, 72, 85, 40 ]
50
[ "77-72=5", "85-40=45", "5+45=50" ]
Current State: 50:[77, 72, 85, 40], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [85, 40, 5] Generated Node #2: [85, 40, 5] from Operation: 77-72=5 Current State: 50:[85, 40, 5], Operations: ['77-72=5'] Exploring Operation: 85-40=45, Resulting Numbers: [5, 45] Generated Node #3: [5, 45] from Operation: 85-40=45 Current State: 50:[5, 45], Operations: ['77-72=5', '85-40=45'] Exploring Operation: 5+45=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[77, 72, 85, 40], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [72, 40, 8] Generated Node #0,0: 50:[72, 40, 8] Operation: 85-77=8 Exploring Operation: 85-72=13, Resulting Numbers: [77, 40, 13] Generated Node #0,1: 50:[77, 40, 13] Operation: 85-72=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[72, 40, 8], Operations: ['85-77=8'] Exploring Operation: 72-40=32, Resulting Numbers: [8, 32] Generated Node #0,0,0: 50:[8, 32] Operation: 72-40=32 Exploring Operation: 72/8=9, Resulting Numbers: [40, 9] Generated Node #0,0,1: 50:[40, 9] Operation: 72/8=9 Moving to Node #0,0,0 Current State: 50:[8, 32], Operations: ['85-77=8', '72-40=32'] Exploring Operation: 32/8=4, Resulting Numbers: [4] 4,50 unequal: No Solution Exploring Operation: 32-8=24, Resulting Numbers: [24] 24,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[40, 9], Operations: ['85-77=8', '72/8=9'] Exploring Operation: 40-9=31, Resulting Numbers: [31] 31,50 unequal: No Solution Exploring Operation: 40+9=49, Resulting Numbers: [49] 49,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 50:[77, 40, 13], Operations: ['85-72=13'] Exploring Operation: 77-40=37, Resulting Numbers: [13, 37] Generated Node #0,1,0: 50:[13, 37] Operation: 77-40=37 Exploring Operation: 77-13=64, Resulting Numbers: [40, 64] Generated Node #0,1,1: 50:[40, 64] Operation: 77-13=64 Moving to Node #0,1,0 Current State: 50:[13, 37], Operations: ['85-72=13', '77-40=37'] Exploring Operation: 13+37=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[77, 72, 85, 40], Operations: [] Exploring Operation: 85-72=13, Resulting Numbers: [77, 40, 13] Generated Node #0,1: 50:[77, 40, 13] Operation: 85-72=13 Moving to Node #0,1 Current State: 50:[77, 40, 13], Operations: ['85-72=13'] Exploring Operation: 77-40=37, Resulting Numbers: [13, 37] Generated Node #0,1,0: 50:[13, 37] Operation: 77-40=37 Moving to Node #0,1,0 Current State: 50:[13, 37], Operations: ['85-72=13', '77-40=37'] Exploring Operation: 13+37=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 61, 4, 3, 32 ]
28
[ "61-4=57", "32-3=29", "57-29=28" ]
Current State: 28:[61, 4, 3, 32], Operations: [] Exploring Operation: 61-4=57, Resulting Numbers: [3, 32, 57] Generated Node #2: [3, 32, 57] from Operation: 61-4=57 Current State: 28:[3, 32, 57], Operations: ['61-4=57'] Exploring Operation: 32-3=29, Resulting Numbers: [57, 29] Generated Node #3: [57, 29] from Operation: 32-3=29 Current State: 28:[57, 29], Operations: ['61-4=57', '32-3=29'] Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[61, 4, 3, 32], Operations: [] Exploring Operation: 32-4=28, Resulting Numbers: [61, 3, 28] Generated Node #0,0: 28:[61, 3, 28] Operation: 32-4=28 Exploring Operation: 61-3=58, Resulting Numbers: [4, 32, 58] Generated Node #0,1: 28:[4, 32, 58] Operation: 61-3=58 Exploring Operation: 61-4=57, Resulting Numbers: [3, 32, 57] Generated Node #0,2: 28:[3, 32, 57] Operation: 61-4=57 Exploring Operation: 61-32=29, Resulting Numbers: [4, 3, 29] Generated Node #0,3: 28:[4, 3, 29] Operation: 61-32=29 Moving to Node #0,3 Current State: 28:[4, 3, 29], Operations: ['61-32=29'] Exploring Operation: 4+3=7, Resulting Numbers: [29, 7] Generated Node #0,3,0: 28:[29, 7] Operation: 4+3=7 Exploring Operation: 29-3=26, Resulting Numbers: [4, 26] Generated Node #0,3,1: 28:[4, 26] Operation: 29-3=26 Exploring Operation: 4-3=1, Resulting Numbers: [29, 1] Generated Node #0,3,2: 28:[29, 1] Operation: 4-3=1 Exploring Operation: 4*3=12, Resulting Numbers: [29, 12] Generated Node #0,3,3: 28:[29, 12] Operation: 4*3=12 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 28:[29, 7], Operations: ['61-32=29', '4+3=7'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,28 unequal: No Solution Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,28 unequal: No Solution Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 28:[4, 26], Operations: ['61-32=29', '29-3=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,28 unequal: No Solution Exploring Operation: 4*26=104, Resulting Numbers: [104] 104,28 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 28:[29, 1], Operations: ['61-32=29', '4-3=1'] Exploring Operation: 29/1=29, Resulting Numbers: [29] 29,28 unequal: No Solution Exploring Operation: 29*1=29, Resulting Numbers: [29] 29,28 unequal: No Solution Exploring Operation: 29+1=30, Resulting Numbers: [30] 30,28 unequal: No Solution Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[61, 4, 3, 32], Operations: [] Exploring Operation: 61-32=29, Resulting Numbers: [4, 3, 29] Generated Node #0,3: 28:[4, 3, 29] Operation: 61-32=29 Moving to Node #0,3 Current State: 28:[4, 3, 29], Operations: ['61-32=29'] Exploring Operation: 4-3=1, Resulting Numbers: [29, 1] Generated Node #0,3,2: 28:[29, 1] Operation: 4-3=1 Moving to Node #0,3,2 Current State: 28:[29, 1], Operations: ['61-32=29', '4-3=1'] Exploring Operation: 29-1=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
sum_heuristic
[ 9, 6, 11, 32 ]
73
[ "9*11=99", "32-6=26", "99-26=73" ]
Current State: 73:[9, 6, 11, 32], Operations: [] Exploring Operation: 9*11=99, Resulting Numbers: [6, 32, 99] Generated Node #2: [6, 32, 99] from Operation: 9*11=99 Current State: 73:[6, 32, 99], Operations: ['9*11=99'] Exploring Operation: 32-6=26, Resulting Numbers: [99, 26] Generated Node #3: [99, 26] from Operation: 32-6=26 Current State: 73:[99, 26], Operations: ['9*11=99', '32-6=26'] Exploring Operation: 99-26=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[9, 6, 11, 32], Operations: [] Exploring Operation: 6*11=66, Resulting Numbers: [9, 32, 66] Generated Node #0,0: 73:[9, 32, 66] Operation: 6*11=66 Exploring Operation: 9*11=99, Resulting Numbers: [6, 32, 99] Generated Node #0,1: 73:[6, 32, 99] Operation: 9*11=99 Exploring Operation: 9*6=54, Resulting Numbers: [11, 32, 54] Generated Node #0,2: 73:[11, 32, 54] Operation: 9*6=54 Exploring Operation: 9+6=15, Resulting Numbers: [11, 32, 15] Generated Node #0,3: 73:[11, 32, 15] Operation: 9+6=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[9, 32, 66], Operations: ['6*11=66'] Exploring Operation: 9+32=41, Resulting Numbers: [66, 41] Generated Node #0,0,0: 73:[66, 41] Operation: 9+32=41 Exploring Operation: 32-9=23, Resulting Numbers: [66, 23] Generated Node #0,0,1: 73:[66, 23] Operation: 32-9=23 Exploring Operation: 9+66=75, Resulting Numbers: [32, 75] Generated Node #0,0,2: 73:[32, 75] Operation: 9+66=75 Exploring Operation: 66-9=57, Resulting Numbers: [32, 57] Generated Node #0,0,3: 73:[32, 57] Operation: 66-9=57 Moving to Node #0,0,0 Current State: 73:[66, 41], Operations: ['6*11=66', '9+32=41'] Exploring Operation: 66*41=2706, Resulting Numbers: [2706] 2706,73 unequal: No Solution Exploring Operation: 66+41=107, Resulting Numbers: [107] 107,73 unequal: No Solution Exploring Operation: 66-41=25, Resulting Numbers: [25] 25,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[32, 75], Operations: ['6*11=66', '9+66=75'] Exploring Operation: 32*75=2400, Resulting Numbers: [2400] 2400,73 unequal: No Solution Exploring Operation: 75-32=43, Resulting Numbers: [43] 43,73 unequal: No Solution Exploring Operation: 32+75=107, Resulting Numbers: [107] 107,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[32, 57], Operations: ['6*11=66', '66-9=57'] Exploring Operation: 32+57=89, Resulting Numbers: [89] 89,73 unequal: No Solution Exploring Operation: 57-32=25, Resulting Numbers: [25] 25,73 unequal: No Solution Exploring Operation: 32*57=1824, Resulting Numbers: [1824] 1824,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[66, 23], Operations: ['6*11=66', '32-9=23'] Exploring Operation: 66-23=43, Resulting Numbers: [43] 43,73 unequal: No Solution Exploring Operation: 66*23=1518, Resulting Numbers: [1518] 1518,73 unequal: No Solution Exploring Operation: 66+23=89, Resulting Numbers: [89] 89,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[11, 32, 54], Operations: ['9*6=54'] Exploring Operation: 11+32=43, Resulting Numbers: [54, 43] Generated Node #0,2,0: 73:[54, 43] Operation: 11+32=43 Exploring Operation: 32-11=21, Resulting Numbers: [54, 21] Generated Node #0,2,1: 73:[54, 21] Operation: 32-11=21 Exploring Operation: 54-11=43, Resulting Numbers: [32, 43] Generated Node #0,2,2: 73:[32, 43] Operation: 54-11=43 Exploring Operation: 11+54=65, Resulting Numbers: [32, 65] Generated Node #0,2,3: 73:[32, 65] Operation: 11+54=65 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 73:[54, 43], Operations: ['9*6=54', '11+32=43'] Exploring Operation: 54+43=97, Resulting Numbers: [97] 97,73 unequal: No Solution Exploring Operation: 54*43=2322, Resulting Numbers: [2322] 2322,73 unequal: No Solution Exploring Operation: 54-43=11, Resulting Numbers: [11] 11,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 73:[32, 65], Operations: ['9*6=54', '11+54=65'] Exploring Operation: 32+65=97, Resulting Numbers: [97] 97,73 unequal: No Solution Exploring Operation: 65-32=33, Resulting Numbers: [33] 33,73 unequal: No Solution Exploring Operation: 32*65=2080, Resulting Numbers: [2080] 2080,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 73:[54, 21], Operations: ['9*6=54', '32-11=21'] Exploring Operation: 54-21=33, Resulting Numbers: [33] 33,73 unequal: No Solution Exploring Operation: 54*21=1134, Resulting Numbers: [1134] 1134,73 unequal: No Solution Exploring Operation: 54+21=75, Resulting Numbers: [75] 75,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 73:[32, 43], Operations: ['9*6=54', '54-11=43'] Exploring Operation: 43-32=11, Resulting Numbers: [11] 11,73 unequal: No Solution Exploring Operation: 32*43=1376, Resulting Numbers: [1376] 1376,73 unequal: No Solution Exploring Operation: 32+43=75, Resulting Numbers: [75] 75,73 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: 73:[6, 32, 99], Operations: ['9*11=99'] Exploring Operation: 99-6=93, Resulting Numbers: [32, 93] Generated Node #0,1,0: 73:[32, 93] Operation: 99-6=93 Exploring Operation: 32-6=26, Resulting Numbers: [99, 26] Generated Node #0,1,1: 73:[99, 26] Operation: 32-6=26 Exploring Operation: 6+99=105, Resulting Numbers: [32, 105] Generated Node #0,1,2: 73:[32, 105] Operation: 6+99=105 Exploring Operation: 6+32=38, Resulting Numbers: [99, 38] Generated Node #0,1,3: 73:[99, 38] Operation: 6+32=38 Moving to Node #0,1,0 Current State: 73:[32, 93], Operations: ['9*11=99', '99-6=93'] Exploring Operation: 32+93=125, Resulting Numbers: [125] 125,73 unequal: No Solution Exploring Operation: 93-32=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 32*93=2976, Resulting Numbers: [2976] 2976,73 unequal: No Solution Moving to Node #0,1,3 Current State: 73:[99, 38], Operations: ['9*11=99', '6+32=38'] Exploring Operation: 99+38=137, Resulting Numbers: [137] 137,73 unequal: No Solution Exploring Operation: 99-38=61, Resulting Numbers: [61] 61,73 unequal: No Solution Exploring Operation: 99*38=3762, Resulting Numbers: [3762] 3762,73 unequal: No Solution Moving to Node #0,1,2 Current State: 73:[32, 105], Operations: ['9*11=99', '6+99=105'] Exploring Operation: 32+105=137, Resulting Numbers: [137] 137,73 unequal: No Solution Exploring Operation: 32*105=3360, Resulting Numbers: [3360] 3360,73 unequal: No Solution Exploring Operation: 105-32=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[9, 6, 11, 32], Operations: [] Exploring Operation: 9*11=99, Resulting Numbers: [6, 32, 99] Generated Node #0,1: 73:[6, 32, 99] Operation: 9*11=99 Moving to Node #0,1 Current State: 73:[6, 32, 99], Operations: ['9*11=99'] Exploring Operation: 6+99=105, Resulting Numbers: [32, 105] Generated Node #0,1,2: 73:[32, 105] Operation: 6+99=105 Moving to Node #0,1,2 Current State: 73:[32, 105], Operations: ['9*11=99', '6+99=105'] Exploring Operation: 105-32=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 1
0.953993
hs_4
sum_heuristic