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
[ 2, 58, 30, 8 ]
32
[ "8/2=4", "58-30=28", "4+28=32" ]
Current State: 32:[2, 58, 30, 8], Operations: [] Exploring Operation: 8/2=4, Resulting Numbers: [58, 30, 4] Generated Node #2: [58, 30, 4] from Operation: 8/2=4 Current State: 32:[58, 30, 4], Operations: ['8/2=4'] Exploring Operation: 58-30=28, Resulting Numbers: [4, 28] Generated Node #3: [4, 28] from Operation: 58-30=28 Current State: 32:[4, 28], Operations: ['8/2=4', '58-30=28'] Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[2, 58, 30, 8], Operations: [] Exploring Operation: 58/2=29, Resulting Numbers: [30, 8, 29] Generated Node #0,0: 32:[30, 8, 29] Operation: 58/2=29 Exploring Operation: 58-30=28, Resulting Numbers: [2, 8, 28] Generated Node #0,1: 32:[2, 8, 28] Operation: 58-30=28 Moving to Node #0,1 Current State: 32:[2, 8, 28], Operations: ['58-30=28'] Exploring Operation: 28/2=14, Resulting Numbers: [8, 14] Generated Node #0,1,0: 32:[8, 14] Operation: 28/2=14 Exploring Operation: 2+28=30, Resulting Numbers: [8, 30] Generated Node #0,1,1: 32:[8, 30] Operation: 2+28=30 Moving to Node #0,0 Current State: 32:[30, 8, 29], Operations: ['58/2=29'] Exploring Operation: 8+29=37, Resulting Numbers: [30, 37] Generated Node #0,0,0: 32:[30, 37] Operation: 8+29=37 Exploring Operation: 30-29=1, Resulting Numbers: [8, 1] Generated Node #0,0,1: 32:[8, 1] Operation: 30-29=1 Moving to Node #0,0,1 Current State: 32:[8, 1], Operations: ['58/2=29', '30-29=1'] Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[8, 14], Operations: ['58-30=28', '28/2=14'] Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,32 unequal: No Solution Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[8, 30], Operations: ['58-30=28', '2+28=30'] Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,32 unequal: No Solution Exploring Operation: 8+30=38, Resulting Numbers: [38] 38,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[30, 37], Operations: ['58/2=29', '8+29=37'] Exploring Operation: 30+37=67, Resulting Numbers: [67] 67,32 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,32 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 34, 1, 28, 7 ]
38
[ "34*1=34", "28/7=4", "34+4=38" ]
Current State: 38:[34, 1, 28, 7], Operations: [] Exploring Operation: 34*1=34, Resulting Numbers: [28, 7, 34] Generated Node #2: [28, 7, 34] from Operation: 34*1=34 Current State: 38:[28, 7, 34], Operations: ['34*1=34'] Exploring Operation: 28/7=4, Resulting Numbers: [34, 4] Generated Node #3: [34, 4] from Operation: 28/7=4 Current State: 38:[34, 4], Operations: ['34*1=34', '28/7=4'] Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[34, 1, 28, 7], Operations: [] Exploring Operation: 28-7=21, Resulting Numbers: [34, 1, 21] Generated Node #0,0: 38:[34, 1, 21] Operation: 28-7=21 Exploring Operation: 28/7=4, Resulting Numbers: [34, 1, 4] Generated Node #0,1: 38:[34, 1, 4] Operation: 28/7=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[34, 1, 21], Operations: ['28-7=21'] Exploring Operation: 21-1=20, Resulting Numbers: [34, 20] Generated Node #0,0,0: 38:[34, 20] Operation: 21-1=20 Exploring Operation: 34+1=35, Resulting Numbers: [21, 35] Generated Node #0,0,1: 38:[21, 35] Operation: 34+1=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 38:[34, 20], Operations: ['28-7=21', '21-1=20'] Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,38 unequal: No Solution No 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: 38:[21, 35], Operations: ['28-7=21', '34+1=35'] Exploring Operation: 21+35=56, Resulting Numbers: [56] 56,38 unequal: No Solution Exploring Operation: 35-21=14, Resulting Numbers: [14] 14,38 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: 38:[34, 1, 4], Operations: ['28/7=4'] Exploring Operation: 34+1=35, Resulting Numbers: [4, 35] Generated Node #0,1,0: 38:[4, 35] Operation: 34+1=35 Exploring Operation: 34+4=38, Resulting Numbers: [1, 38] Generated Node #0,1,1: 38:[1, 38] Operation: 34+4=38 Moving to Node #0,1,1 Current State: 38:[1, 38], Operations: ['28/7=4', '34+4=38'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[34, 1, 28, 7], Operations: [] Exploring Operation: 28/7=4, Resulting Numbers: [34, 1, 4] Generated Node #0,1: 38:[34, 1, 4] Operation: 28/7=4 Moving to Node #0,1 Current State: 38:[34, 1, 4], Operations: ['28/7=4'] Exploring Operation: 34+4=38, Resulting Numbers: [1, 38] Generated Node #0,1,1: 38:[1, 38] Operation: 34+4=38 Moving to Node #0,1,1 Current State: 38:[1, 38], Operations: ['28/7=4', '34+4=38'] Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 42, 13, 61, 69 ]
47
[ "42+13=55", "69-61=8", "55-8=47" ]
Current State: 47:[42, 13, 61, 69], Operations: [] Exploring Operation: 42+13=55, Resulting Numbers: [61, 69, 55] Generated Node #2: [61, 69, 55] from Operation: 42+13=55 Current State: 47:[61, 69, 55], Operations: ['42+13=55'] Exploring Operation: 69-61=8, Resulting Numbers: [55, 8] Generated Node #3: [55, 8] from Operation: 69-61=8 Current State: 47:[55, 8], Operations: ['42+13=55', '69-61=8'] Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[42, 13, 61, 69], Operations: [] Exploring Operation: 61-13=48, Resulting Numbers: [42, 69, 48] Generated Node #0,0: 47:[42, 69, 48] Operation: 61-13=48 Exploring Operation: 42+13=55, Resulting Numbers: [61, 69, 55] Generated Node #0,1: 47:[61, 69, 55] Operation: 42+13=55 Exploring Operation: 69-13=56, Resulting Numbers: [42, 61, 56] Generated Node #0,2: 47:[42, 61, 56] Operation: 69-13=56 Moving to Node #0,0 Current State: 47:[42, 69, 48], Operations: ['61-13=48'] Exploring Operation: 69-48=21, Resulting Numbers: [42, 21] Generated Node #0,0,0: 47:[42, 21] Operation: 69-48=21 Exploring Operation: 69-42=27, Resulting Numbers: [48, 27] Generated Node #0,0,1: 47:[48, 27] Operation: 69-42=27 Exploring Operation: 48-42=6, Resulting Numbers: [69, 6] Generated Node #0,0,2: 47:[69, 6] Operation: 48-42=6 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[48, 27], Operations: ['61-13=48', '69-42=27'] Exploring Operation: 48*27=1296, Resulting Numbers: [1296] 1296,47 unequal: No Solution Exploring Operation: 48+27=75, Resulting Numbers: [75] 75,47 unequal: No Solution Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[42, 21], Operations: ['61-13=48', '69-48=21'] Exploring Operation: 42+21=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 47:[69, 6], Operations: ['61-13=48', '48-42=6'] Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,47 unequal: No Solution Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,47 unequal: No Solution Exploring Operation: 69*6=414, Resulting Numbers: [414] 414,47 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: 47:[42, 61, 56], Operations: ['69-13=56'] Exploring Operation: 56-42=14, Resulting Numbers: [61, 14] Generated Node #0,2,0: 47:[61, 14] Operation: 56-42=14 Exploring Operation: 61-56=5, Resulting Numbers: [42, 5] Generated Node #0,2,1: 47:[42, 5] Operation: 61-56=5 Exploring Operation: 61-42=19, Resulting Numbers: [56, 19] Generated Node #0,2,2: 47:[56, 19] Operation: 61-42=19 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[56, 19], Operations: ['69-13=56', '61-42=19'] Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,47 unequal: No Solution Exploring Operation: 56+19=75, Resulting Numbers: [75] 75,47 unequal: No Solution Exploring Operation: 56*19=1064, Resulting Numbers: [1064] 1064,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[61, 14], Operations: ['69-13=56', '56-42=14'] Exploring Operation: 61*14=854, Resulting Numbers: [854] 854,47 unequal: No Solution Exploring Operation: 61+14=75, Resulting Numbers: [75] 75,47 unequal: No Solution Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[42, 13, 61, 69], Operations: [] Exploring Operation: 69-13=56, Resulting Numbers: [42, 61, 56] Generated Node #0,2: 47:[42, 61, 56] Operation: 69-13=56 Moving to Node #0,2 Current State: 47:[42, 61, 56], Operations: ['69-13=56'] Exploring Operation: 56-42=14, Resulting Numbers: [61, 14] Generated Node #0,2,0: 47:[61, 14] Operation: 56-42=14 Moving to Node #0,2,0 Current State: 47:[61, 14], Operations: ['69-13=56', '56-42=14'] Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
mult_heuristic
[ 59, 2, 60, 27 ]
17
[ "59+27=86", "86/2=43", "60-43=17" ]
Current State: 17:[59, 2, 60, 27], Operations: [] Exploring Operation: 59+27=86, Resulting Numbers: [2, 60, 86] Generated Node #2: [2, 60, 86] from Operation: 59+27=86 Current State: 17:[2, 60, 86], Operations: ['59+27=86'] Exploring Operation: 86/2=43, Resulting Numbers: [60, 43] Generated Node #3: [60, 43] from Operation: 86/2=43 Current State: 17:[60, 43], Operations: ['59+27=86', '86/2=43'] Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[59, 2, 60, 27], Operations: [] Exploring Operation: 60-59=1, Resulting Numbers: [2, 27, 1] Generated Node #0,0: 17:[2, 27, 1] Operation: 60-59=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[2, 27, 1], Operations: ['60-59=1'] Exploring Operation: 27-2=25, Resulting Numbers: [1, 25] Generated Node #0,0,0: 17:[1, 25] Operation: 27-2=25 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[1, 25], Operations: ['60-59=1', '27-2=25'] Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 60, 94, 24, 54 ]
41
[ "60*54=3240", "3240/24=135", "135-94=41" ]
Current State: 41:[60, 94, 24, 54], Operations: [] Exploring Operation: 60*54=3240, Resulting Numbers: [94, 24, 3240] Generated Node #2: [94, 24, 3240] from Operation: 60*54=3240 Current State: 41:[94, 24, 3240], Operations: ['60*54=3240'] Exploring Operation: 3240/24=135, Resulting Numbers: [94, 135] Generated Node #3: [94, 135] from Operation: 3240/24=135 Current State: 41:[94, 135], Operations: ['60*54=3240', '3240/24=135'] Exploring Operation: 135-94=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[60, 94, 24, 54], Operations: [] Exploring Operation: 94-60=34, Resulting Numbers: [24, 54, 34] Generated Node #0,0: 41:[24, 54, 34] Operation: 94-60=34 Exploring Operation: 94-54=40, Resulting Numbers: [60, 24, 40] Generated Node #0,1: 41:[60, 24, 40] Operation: 94-54=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 41:[24, 54, 34], Operations: ['94-60=34'] Exploring Operation: 54-24=30, Resulting Numbers: [34, 30] Generated Node #0,0,0: 41:[34, 30] Operation: 54-24=30 Exploring Operation: 24+34=58, Resulting Numbers: [54, 58] Generated Node #0,0,1: 41:[54, 58] Operation: 24+34=58 Moving to Node #0,0,0 Current State: 41:[34, 30], Operations: ['94-60=34', '54-24=30'] Exploring Operation: 34+30=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,41 unequal: No Solution Moving to Node #0,0,1 Current State: 41:[54, 58], Operations: ['94-60=34', '24+34=58'] Exploring Operation: 54+58=112, Resulting Numbers: [112] 112,41 unequal: No Solution Exploring Operation: 58-54=4, Resulting Numbers: [4] 4,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 41:[60, 24, 40], Operations: ['94-54=40'] Exploring Operation: 60-24=36, Resulting Numbers: [40, 36] Generated Node #0,1,0: 41:[40, 36] Operation: 60-24=36 Exploring Operation: 60-40=20, Resulting Numbers: [24, 20] Generated Node #0,1,1: 41:[24, 20] Operation: 60-40=20 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 41:[40, 36], Operations: ['94-54=40', '60-24=36'] Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,41 unequal: No Solution Exploring Operation: 40+36=76, Resulting Numbers: [76] 76,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 41:[24, 20], Operations: ['94-54=40', '60-40=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,41 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,41 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 91, 50, 29, 2 ]
20
[ "91+29=120", "50*2=100", "120-100=20" ]
Current State: 20:[91, 50, 29, 2], Operations: [] Exploring Operation: 91+29=120, Resulting Numbers: [50, 2, 120] Generated Node #2: [50, 2, 120] from Operation: 91+29=120 Current State: 20:[50, 2, 120], Operations: ['91+29=120'] Exploring Operation: 50*2=100, Resulting Numbers: [120, 100] Generated Node #3: [120, 100] from Operation: 50*2=100 Current State: 20:[120, 100], Operations: ['91+29=120', '50*2=100'] Exploring Operation: 120-100=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[91, 50, 29, 2], Operations: [] Exploring Operation: 91-29=62, Resulting Numbers: [50, 2, 62] Generated Node #0,0: 20:[50, 2, 62] Operation: 91-29=62 Exploring Operation: 50-29=21, Resulting Numbers: [91, 2, 21] Generated Node #0,1: 20:[91, 2, 21] Operation: 50-29=21 Exploring Operation: 91-50=41, Resulting Numbers: [29, 2, 41] Generated Node #0,2: 20:[29, 2, 41] Operation: 91-50=41 Exploring Operation: 50/2=25, Resulting Numbers: [91, 29, 25] Generated Node #0,3: 20:[91, 29, 25] Operation: 50/2=25 Exploring Operation: 91-2=89, Resulting Numbers: [50, 29, 89] Generated Node #0,4: 20:[50, 29, 89] Operation: 91-2=89 Moving to Node #0,2 Current State: 20:[29, 2, 41], Operations: ['91-50=41'] Exploring Operation: 41-2=39, Resulting Numbers: [29, 39] Generated Node #0,2,0: 20:[29, 39] Operation: 41-2=39 Exploring Operation: 41-29=12, Resulting Numbers: [2, 12] Generated Node #0,2,1: 20:[2, 12] Operation: 41-29=12 Exploring Operation: 29-2=27, Resulting Numbers: [41, 27] Generated Node #0,2,2: 20:[41, 27] Operation: 29-2=27 Exploring Operation: 2+41=43, Resulting Numbers: [29, 43] Generated Node #0,2,3: 20:[29, 43] Operation: 2+41=43 Exploring Operation: 29+2=31, Resulting Numbers: [41, 31] Generated Node #0,2,4: 20:[41, 31] Operation: 29+2=31 Moving to Node #0,1 Current State: 20:[91, 2, 21], Operations: ['50-29=21'] Exploring Operation: 2+21=23, Resulting Numbers: [91, 23] Generated Node #0,1,0: 20:[91, 23] Operation: 2+21=23 Exploring Operation: 91-2=89, Resulting Numbers: [21, 89] Generated Node #0,1,1: 20:[21, 89] Operation: 91-2=89 Exploring Operation: 91+2=93, Resulting Numbers: [21, 93] Generated Node #0,1,2: 20:[21, 93] Operation: 91+2=93 Exploring Operation: 21-2=19, Resulting Numbers: [91, 19] Generated Node #0,1,3: 20:[91, 19] Operation: 21-2=19 Exploring Operation: 91-21=70, Resulting Numbers: [2, 70] Generated Node #0,1,4: 20:[2, 70] Operation: 91-21=70 Moving to Node #0,0 Current State: 20:[50, 2, 62], Operations: ['91-29=62'] Exploring Operation: 50/2=25, Resulting Numbers: [62, 25] Generated Node #0,0,0: 20:[62, 25] Operation: 50/2=25 Exploring Operation: 50-2=48, Resulting Numbers: [62, 48] Generated Node #0,0,1: 20:[62, 48] Operation: 50-2=48 Exploring Operation: 62-2=60, Resulting Numbers: [50, 60] Generated Node #0,0,2: 20:[50, 60] Operation: 62-2=60 Exploring Operation: 62/2=31, Resulting Numbers: [50, 31] Generated Node #0,0,3: 20:[50, 31] Operation: 62/2=31 Exploring Operation: 62-50=12, Resulting Numbers: [2, 12] Generated Node #0,0,4: 20:[2, 12] Operation: 62-50=12 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 20:[2, 12], Operations: ['91-29=62', '62-50=12'] Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,20 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,20 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 20:[50, 31], Operations: ['91-29=62', '62/2=31'] Exploring Operation: 50*31=1550, Resulting Numbers: [1550] 1550,20 unequal: No Solution Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 50+31=81, Resulting Numbers: [81] 81,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[62, 25], Operations: ['91-29=62', '50/2=25'] Exploring Operation: 62*25=1550, Resulting Numbers: [1550] 1550,20 unequal: No Solution Exploring Operation: 62+25=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 62-25=37, Resulting Numbers: [37] 37,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[62, 48], Operations: ['91-29=62', '50-2=48'] Exploring Operation: 62*48=2976, Resulting Numbers: [2976] 2976,20 unequal: No Solution Exploring Operation: 62-48=14, Resulting Numbers: [14] 14,20 unequal: No Solution Exploring Operation: 62+48=110, Resulting Numbers: [110] 110,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[50, 60], Operations: ['91-29=62', '62-2=60'] Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 50*60=3000, Resulting Numbers: [3000] 3000,20 unequal: No Solution Exploring Operation: 50+60=110, Resulting Numbers: [110] 110,20 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: 20:[91, 29, 25], Operations: ['50/2=25'] Exploring Operation: 91-25=66, Resulting Numbers: [29, 66] Generated Node #0,3,0: 20:[29, 66] Operation: 91-25=66 Exploring Operation: 91+29=120, Resulting Numbers: [25, 120] Generated Node #0,3,1: 20:[25, 120] Operation: 91+29=120 Exploring Operation: 91-29=62, Resulting Numbers: [25, 62] Generated Node #0,3,2: 20:[25, 62] Operation: 91-29=62 Exploring Operation: 91+25=116, Resulting Numbers: [29, 116] Generated Node #0,3,3: 20:[29, 116] Operation: 91+25=116 Exploring Operation: 29-25=4, Resulting Numbers: [91, 4] Generated Node #0,3,4: 20:[91, 4] Operation: 29-25=4 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 20:[25, 62], Operations: ['50/2=25', '91-29=62'] Exploring Operation: 62-25=37, Resulting Numbers: [37] 37,20 unequal: No Solution Exploring Operation: 25+62=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 25*62=1550, Resulting Numbers: [1550] 1550,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 20:[29, 66], Operations: ['50/2=25', '91-25=66'] Exploring Operation: 29*66=1914, Resulting Numbers: [1914] 1914,20 unequal: No Solution Exploring Operation: 29+66=95, Resulting Numbers: [95] 95,20 unequal: No Solution Exploring Operation: 66-29=37, Resulting Numbers: [37] 37,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 20:[91, 4], Operations: ['50/2=25', '29-25=4'] Exploring Operation: 91+4=95, Resulting Numbers: [95] 95,20 unequal: No Solution Exploring Operation: 91*4=364, Resulting Numbers: [364] 364,20 unequal: No Solution Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 20:[25, 120], Operations: ['50/2=25', '91+29=120'] Exploring Operation: 25*120=3000, Resulting Numbers: [3000] 3000,20 unequal: No Solution Exploring Operation: 120-25=95, Resulting Numbers: [95] 95,20 unequal: No Solution Exploring Operation: 25+120=145, Resulting Numbers: [145] 145,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 20:[29, 116], Operations: ['50/2=25', '91+25=116'] Exploring Operation: 116-29=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 116/29=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 29*116=3364, Resulting Numbers: [3364] 3364,20 unequal: No Solution Exploring Operation: 29+116=145, Resulting Numbers: [145] 145,20 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: 20:[50, 29, 89], Operations: ['91-2=89'] Exploring Operation: 89-50=39, Resulting Numbers: [29, 39] Generated Node #0,4,0: 20:[29, 39] Operation: 89-50=39 Exploring Operation: 50-29=21, Resulting Numbers: [89, 21] Generated Node #0,4,1: 20:[89, 21] Operation: 50-29=21 Exploring Operation: 50+29=79, Resulting Numbers: [89, 79] Generated Node #0,4,2: 20:[89, 79] Operation: 50+29=79 Exploring Operation: 50+89=139, Resulting Numbers: [29, 139] Generated Node #0,4,3: 20:[29, 139] Operation: 50+89=139 Exploring Operation: 89-29=60, Resulting Numbers: [50, 60] Generated Node #0,4,4: 20:[50, 60] Operation: 89-29=60 Moving to Node #0,2,1 Current State: 20:[2, 12], Operations: ['91-50=41', '41-29=12'] Exploring Operation: 12/2=6, Resulting Numbers: [6] 6,20 unequal: No Solution Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,20 unequal: No Solution Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,20 unequal: No Solution Exploring Operation: 2*12=24, Resulting Numbers: [24] 24,20 unequal: No Solution Moving to Node #0,2,2 Current State: 20:[41, 27], Operations: ['91-50=41', '29-2=27'] Exploring Operation: 41+27=68, Resulting Numbers: [68] 68,20 unequal: No Solution Exploring Operation: 41*27=1107, Resulting Numbers: [1107] 1107,20 unequal: No Solution Exploring Operation: 41-27=14, Resulting Numbers: [14] 14,20 unequal: No Solution Moving to Node #0,2,0 Current State: 20:[29, 39], Operations: ['91-50=41', '41-2=39'] Exploring Operation: 29+39=68, Resulting Numbers: [68] 68,20 unequal: No Solution Exploring Operation: 29*39=1131, Resulting Numbers: [1131] 1131,20 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,20 unequal: No Solution Moving to Node #0,4,0 Current State: 20:[29, 39], Operations: ['91-2=89', '89-50=39'] Exploring Operation: 29*39=1131, Resulting Numbers: [1131] 1131,20 unequal: No Solution Exploring Operation: 29+39=68, Resulting Numbers: [68] 68,20 unequal: No Solution Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,20 unequal: No Solution Moving to Node #0,2,4 Current State: 20:[41, 31], Operations: ['91-50=41', '29+2=31'] Exploring Operation: 41+31=72, Resulting Numbers: [72] 72,20 unequal: No Solution Exploring Operation: 41*31=1271, Resulting Numbers: [1271] 1271,20 unequal: No Solution Exploring Operation: 41-31=10, Resulting Numbers: [10] 10,20 unequal: No Solution Moving to Node #0,2,3 Current State: 20:[29, 43], Operations: ['91-50=41', '2+41=43'] Exploring Operation: 29*43=1247, Resulting Numbers: [1247] 1247,20 unequal: No Solution Exploring Operation: 43-29=14, Resulting Numbers: [14] 14,20 unequal: No Solution Exploring Operation: 29+43=72, Resulting Numbers: [72] 72,20 unequal: No Solution Moving to Node #0,1,4 Current State: 20:[2, 70], Operations: ['50-29=21', '91-21=70'] Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,20 unequal: No Solution Exploring Operation: 2*70=140, Resulting Numbers: [140] 140,20 unequal: No Solution Exploring Operation: 2+70=72, Resulting Numbers: [72] 72,20 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[21, 89], Operations: ['50-29=21', '91-2=89'] Exploring Operation: 89-21=68, Resulting Numbers: [68] 68,20 unequal: No Solution Exploring Operation: 21+89=110, Resulting Numbers: [110] 110,20 unequal: No Solution Exploring Operation: 21*89=1869, Resulting Numbers: [1869] 1869,20 unequal: No Solution Moving to Node #0,4,4 Current State: 20:[50, 60], Operations: ['91-2=89', '89-29=60'] Exploring Operation: 50+60=110, Resulting Numbers: [110] 110,20 unequal: No Solution Exploring Operation: 50*60=3000, Resulting Numbers: [3000] 3000,20 unequal: No Solution Exploring Operation: 60-50=10, Resulting Numbers: [10] 10,20 unequal: No Solution Moving to Node #0,4,1 Current State: 20:[89, 21], Operations: ['91-2=89', '50-29=21'] Exploring Operation: 89+21=110, Resulting Numbers: [110] 110,20 unequal: No Solution Exploring Operation: 89*21=1869, Resulting Numbers: [1869] 1869,20 unequal: No Solution Exploring Operation: 89-21=68, Resulting Numbers: [68] 68,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[91, 19], Operations: ['50-29=21', '21-2=19'] Exploring Operation: 91-19=72, Resulting Numbers: [72] 72,20 unequal: No Solution Exploring Operation: 91+19=110, Resulting Numbers: [110] 110,20 unequal: No Solution Exploring Operation: 91*19=1729, Resulting Numbers: [1729] 1729,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[91, 23], Operations: ['50-29=21', '2+21=23'] Exploring Operation: 91*23=2093, Resulting Numbers: [2093] 2093,20 unequal: No Solution Exploring Operation: 91+23=114, Resulting Numbers: [114] 114,20 unequal: No Solution Exploring Operation: 91-23=68, Resulting Numbers: [68] 68,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[21, 93], Operations: ['50-29=21', '91+2=93'] Exploring Operation: 21+93=114, Resulting Numbers: [114] 114,20 unequal: No Solution Exploring Operation: 93-21=72, Resulting Numbers: [72] 72,20 unequal: No Solution Exploring Operation: 21*93=1953, Resulting Numbers: [1953] 1953,20 unequal: No Solution Moving to Node #0,4,3 Current State: 20:[29, 139], Operations: ['91-2=89', '50+89=139'] Exploring Operation: 29+139=168, Resulting Numbers: [168] 168,20 unequal: No Solution Exploring Operation: 139-29=110, Resulting Numbers: [110] 110,20 unequal: No Solution Exploring Operation: 29*139=4031, Resulting Numbers: [4031] 4031,20 unequal: No Solution Moving to Node #0,4,2 Current State: 20:[89, 79], Operations: ['91-2=89', '50+29=79'] Exploring Operation: 89*79=7031, Resulting Numbers: [7031] 7031,20 unequal: No Solution Exploring Operation: 89+79=168, Resulting Numbers: [168] 168,20 unequal: No Solution Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,20 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 6, 24, 1, 1 ]
21
[ "1+1=2", "6/2=3", "24-3=21" ]
Current State: 21:[6, 24, 1, 1], Operations: [] Exploring Operation: 1+1=2, Resulting Numbers: [6, 24, 2] Generated Node #2: [6, 24, 2] from Operation: 1+1=2 Current State: 21:[6, 24, 2], Operations: ['1+1=2'] Exploring Operation: 6/2=3, Resulting Numbers: [24, 3] Generated Node #3: [24, 3] from Operation: 6/2=3 Current State: 21:[24, 3], Operations: ['1+1=2', '6/2=3'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[6, 24, 1, 1], Operations: [] Exploring Operation: 24-1=23, Resulting Numbers: [6, 1, 23] Generated Node #0,0: 21:[6, 1, 23] Operation: 24-1=23 Exploring Operation: 6+1=7, Resulting Numbers: [24, 1, 7] Generated Node #0,1: 21:[24, 1, 7] Operation: 6+1=7 Exploring Operation: 6+1=7, Resulting Numbers: [24, 1, 7] Generated Node #0,2: 21:[24, 1, 7] Operation: 6+1=7 Exploring Operation: 24/6=4, Resulting Numbers: [1, 1, 4] Generated Node #0,3: 21:[1, 1, 4] Operation: 24/6=4 Exploring Operation: 24-1=23, Resulting Numbers: [6, 1, 23] Generated Node #0,4: 21:[6, 1, 23] Operation: 24-1=23 Moving to Node #0,0 Current State: 21:[6, 1, 23], Operations: ['24-1=23'] Exploring Operation: 6/1=6, Resulting Numbers: [23, 6] Generated Node #0,0,0: 21:[23, 6] Operation: 6/1=6 Exploring Operation: 1*23=23, Resulting Numbers: [6, 23] Generated Node #0,0,1: 21:[6, 23] Operation: 1*23=23 Exploring Operation: 6+1=7, Resulting Numbers: [23, 7] Generated Node #0,0,2: 21:[23, 7] Operation: 6+1=7 Exploring Operation: 6*1=6, Resulting Numbers: [23, 6] Generated Node #0,0,3: 21:[23, 6] Operation: 6*1=6 Exploring Operation: 23-1=22, Resulting Numbers: [6, 22] Generated Node #0,0,4: 21:[6, 22] Operation: 23-1=22 Moving to Node #0,2 Current State: 21:[24, 1, 7], Operations: ['6+1=7'] Exploring Operation: 24*1=24, Resulting Numbers: [7, 24] Generated Node #0,2,0: 21:[7, 24] Operation: 24*1=24 Exploring Operation: 24-1=23, Resulting Numbers: [7, 23] Generated Node #0,2,1: 21:[7, 23] Operation: 24-1=23 Exploring Operation: 7/1=7, Resulting Numbers: [24, 7] Generated Node #0,2,2: 21:[24, 7] Operation: 7/1=7 Exploring Operation: 1*7=7, Resulting Numbers: [24, 7] Generated Node #0,2,3: 21:[24, 7] Operation: 1*7=7 Exploring Operation: 24/1=24, Resulting Numbers: [7, 24] Generated Node #0,2,4: 21:[7, 24] Operation: 24/1=24 Moving to Node #0,4 Current State: 21:[6, 1, 23], Operations: ['24-1=23'] Exploring Operation: 23-1=22, Resulting Numbers: [6, 22] Generated Node #0,4,0: 21:[6, 22] Operation: 23-1=22 Exploring Operation: 6+1=7, Resulting Numbers: [23, 7] Generated Node #0,4,1: 21:[23, 7] Operation: 6+1=7 Exploring Operation: 1*23=23, Resulting Numbers: [6, 23] Generated Node #0,4,2: 21:[6, 23] Operation: 1*23=23 Exploring Operation: 6*1=6, Resulting Numbers: [23, 6] Generated Node #0,4,3: 21:[23, 6] Operation: 6*1=6 Exploring Operation: 6/1=6, Resulting Numbers: [23, 6] Generated Node #0,4,4: 21:[23, 6] Operation: 6/1=6 Moving to Node #0,1 Current State: 21:[24, 1, 7], Operations: ['6+1=7'] Exploring Operation: 24-1=23, Resulting Numbers: [7, 23] Generated Node #0,1,0: 21:[7, 23] Operation: 24-1=23 Exploring Operation: 7/1=7, Resulting Numbers: [24, 7] Generated Node #0,1,1: 21:[24, 7] Operation: 7/1=7 Exploring Operation: 24/1=24, Resulting Numbers: [7, 24] Generated Node #0,1,2: 21:[7, 24] Operation: 24/1=24 Exploring Operation: 1*7=7, Resulting Numbers: [24, 7] Generated Node #0,1,3: 21:[24, 7] Operation: 1*7=7 Exploring Operation: 24*1=24, Resulting Numbers: [7, 24] Generated Node #0,1,4: 21:[7, 24] Operation: 24*1=24 Moving to Node #0,3 Current State: 21:[1, 1, 4], Operations: ['24/6=4'] Exploring Operation: 1/1=1, Resulting Numbers: [4, 1] Generated Node #0,3,0: 21:[4, 1] Operation: 1/1=1 Exploring Operation: 4-1=3, Resulting Numbers: [1, 3] Generated Node #0,3,1: 21:[1, 3] Operation: 4-1=3 Exploring Operation: 1+1=2, Resulting Numbers: [4, 2] Generated Node #0,3,2: 21:[4, 2] Operation: 1+1=2 Exploring Operation: 1*1=1, Resulting Numbers: [4, 1] Generated Node #0,3,3: 21:[4, 1] Operation: 1*1=1 Exploring Operation: 4-1=3, Resulting Numbers: [1, 3] Generated Node #0,3,4: 21:[1, 3] Operation: 4-1=3 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 21:[1, 3], Operations: ['24/6=4', '4-1=3'] Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 21:[4, 2], Operations: ['24/6=4', '1+1=2'] Exploring Operation: 4*2=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 21:[1, 3], Operations: ['24/6=4', '4-1=3'] Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 21:[4, 1], Operations: ['24/6=4', '1/1=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 21:[4, 1], Operations: ['24/6=4', '1*1=1'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,21 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,21 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 21:[23, 7], Operations: ['24-1=23', '6+1=7'] Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,21 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,21 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,21 unequal: No Solution Moving to Node #0,2,1 Current State: 21:[7, 23], Operations: ['6+1=7', '24-1=23'] Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,21 unequal: No Solution Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,21 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,21 unequal: No Solution Moving to Node #0,4,1 Current State: 21:[23, 7], Operations: ['24-1=23', '6+1=7'] Exploring Operation: 23*7=161, Resulting Numbers: [161] 161,21 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,21 unequal: No Solution Exploring Operation: 23+7=30, Resulting Numbers: [30] 30,21 unequal: No Solution Moving to Node #0,0,4 Current State: 21:[6, 22], Operations: ['24-1=23', '23-1=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,21 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,21 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,21 unequal: No Solution Moving to Node #0,4,0 Current State: 21:[6, 22], Operations: ['24-1=23', '23-1=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,21 unequal: No Solution Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,21 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[7, 23], Operations: ['6+1=7', '24-1=23'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,21 unequal: No Solution Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,21 unequal: No Solution Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,21 unequal: No Solution Moving to Node #0,2,0 Current State: 21:[7, 24], Operations: ['6+1=7', '24*1=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,21 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,21 unequal: No Solution Moving to Node #0,4,4 Current State: 21:[23, 6], Operations: ['24-1=23', '6/1=6'] Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,21 unequal: No Solution Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,21 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,21 unequal: No Solution Moving to Node #0,4,3 Current State: 21:[23, 6], Operations: ['24-1=23', '6*1=6'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,21 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,21 unequal: No Solution Moving to Node #0,1,3 Current State: 21:[24, 7], Operations: ['6+1=7', '1*7=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,21 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,21 unequal: No Solution Moving to Node #0,1,4 Current State: 21:[7, 24], Operations: ['6+1=7', '24*1=24'] Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,21 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,21 unequal: No Solution Moving to Node #0,0,0 Current State: 21:[23, 6], Operations: ['24-1=23', '6/1=6'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,21 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[24, 7], Operations: ['6+1=7', '7/1=7'] Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,21 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,21 unequal: No Solution Moving to Node #0,2,4 Current State: 21:[7, 24], Operations: ['6+1=7', '24/1=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,21 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,21 unequal: No Solution Moving to Node #0,1,1 Current State: 21:[24, 7], Operations: ['6+1=7', '7/1=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,21 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,21 unequal: No Solution Moving to Node #0,4,2 Current State: 21:[6, 23], Operations: ['24-1=23', '1*23=23'] Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,21 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[6, 23], Operations: ['24-1=23', '1*23=23'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,21 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[7, 24], Operations: ['6+1=7', '24/1=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,21 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,21 unequal: No Solution Moving to Node #0,0,3 Current State: 21:[23, 6], Operations: ['24-1=23', '6*1=6'] Exploring Operation: 23*6=138, Resulting Numbers: [138] 138,21 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,21 unequal: No Solution Exploring Operation: 23+6=29, Resulting Numbers: [29] 29,21 unequal: No Solution Moving to Node #0,2,3 Current State: 21:[24, 7], Operations: ['6+1=7', '1*7=7'] Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,21 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,21 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 60, 99, 42, 34 ]
37
[ "99-60=39", "42+34=76", "76-39=37" ]
Current State: 37:[60, 99, 42, 34], Operations: [] Exploring Operation: 99-60=39, Resulting Numbers: [42, 34, 39] Generated Node #2: [42, 34, 39] from Operation: 99-60=39 Current State: 37:[42, 34, 39], Operations: ['99-60=39'] Exploring Operation: 42+34=76, Resulting Numbers: [39, 76] Generated Node #3: [39, 76] from Operation: 42+34=76 Current State: 37:[39, 76], Operations: ['99-60=39', '42+34=76'] Exploring Operation: 76-39=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[60, 99, 42, 34], Operations: [] Exploring Operation: 99-34=65, Resulting Numbers: [60, 42, 65] Generated Node #0,0: 37:[60, 42, 65] Operation: 99-34=65 Exploring Operation: 99-42=57, Resulting Numbers: [60, 34, 57] Generated Node #0,1: 37:[60, 34, 57] Operation: 99-42=57 Exploring Operation: 99-60=39, Resulting Numbers: [42, 34, 39] Generated Node #0,2: 37:[42, 34, 39] Operation: 99-60=39 Start Sub Search at level 1: Moving to Node #0,2 Current State: 37:[42, 34, 39], Operations: ['99-60=39'] Exploring Operation: 42-34=8, Resulting Numbers: [39, 8] Generated Node #0,2,0: 37:[39, 8] Operation: 42-34=8 Exploring Operation: 39-34=5, Resulting Numbers: [42, 5] Generated Node #0,2,1: 37:[42, 5] Operation: 39-34=5 Exploring Operation: 42-39=3, Resulting Numbers: [34, 3] Generated Node #0,2,2: 37:[34, 3] Operation: 42-39=3 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 37:[39, 8], Operations: ['99-60=39', '42-34=8'] Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,37 unequal: No Solution Exploring Operation: 39*8=312, Resulting Numbers: [312] 312,37 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,37 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 37:[42, 5], Operations: ['99-60=39', '39-34=5'] Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[60, 99, 42, 34], Operations: [] Exploring Operation: 99-60=39, Resulting Numbers: [42, 34, 39] Generated Node #0,2: 37:[42, 34, 39] Operation: 99-60=39 Moving to Node #0,2 Current State: 37:[42, 34, 39], Operations: ['99-60=39'] Exploring Operation: 39-34=5, Resulting Numbers: [42, 5] Generated Node #0,2,1: 37:[42, 5] Operation: 39-34=5 Moving to Node #0,2,1 Current State: 37:[42, 5], Operations: ['99-60=39', '39-34=5'] Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 72, 2, 63, 15 ]
22
[ "72-2=70", "63-15=48", "70-48=22" ]
Current State: 22:[72, 2, 63, 15], Operations: [] Exploring Operation: 72-2=70, Resulting Numbers: [63, 15, 70] Generated Node #2: [63, 15, 70] from Operation: 72-2=70 Current State: 22:[63, 15, 70], Operations: ['72-2=70'] Exploring Operation: 63-15=48, Resulting Numbers: [70, 48] Generated Node #3: [70, 48] from Operation: 63-15=48 Current State: 22:[70, 48], Operations: ['72-2=70', '63-15=48'] Exploring Operation: 70-48=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[72, 2, 63, 15], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [2, 15, 9] Generated Node #0,0: 22:[2, 15, 9] Operation: 72-63=9 Exploring Operation: 72/2=36, Resulting Numbers: [63, 15, 36] Generated Node #0,1: 22:[63, 15, 36] Operation: 72/2=36 Exploring Operation: 63-15=48, Resulting Numbers: [72, 2, 48] Generated Node #0,2: 22:[72, 2, 48] Operation: 63-15=48 Exploring Operation: 72-15=57, Resulting Numbers: [2, 63, 57] Generated Node #0,3: 22:[2, 63, 57] Operation: 72-15=57 Moving to Node #0,0 Current State: 22:[2, 15, 9], Operations: ['72-63=9'] Exploring Operation: 15-9=6, Resulting Numbers: [2, 6] Generated Node #0,0,0: 22:[2, 6] Operation: 15-9=6 Exploring Operation: 2+9=11, Resulting Numbers: [15, 11] Generated Node #0,0,1: 22:[15, 11] Operation: 2+9=11 Exploring Operation: 15+9=24, Resulting Numbers: [2, 24] Generated Node #0,0,2: 22:[2, 24] Operation: 15+9=24 Exploring Operation: 15-2=13, Resulting Numbers: [9, 13] Generated Node #0,0,3: 22:[9, 13] Operation: 15-2=13 Moving to Node #0,1 Current State: 22:[63, 15, 36], Operations: ['72/2=36'] Exploring Operation: 63-36=27, Resulting Numbers: [15, 27] Generated Node #0,1,0: 22:[15, 27] Operation: 63-36=27 Exploring Operation: 63-15=48, Resulting Numbers: [36, 48] Generated Node #0,1,1: 22:[36, 48] Operation: 63-15=48 Exploring Operation: 36-15=21, Resulting Numbers: [63, 21] Generated Node #0,1,2: 22:[63, 21] Operation: 36-15=21 Exploring Operation: 63+15=78, Resulting Numbers: [36, 78] Generated Node #0,1,3: 22:[36, 78] Operation: 63+15=78 Moving to Node #0,3 Current State: 22:[2, 63, 57], Operations: ['72-15=57'] Exploring Operation: 63-2=61, Resulting Numbers: [57, 61] Generated Node #0,3,0: 22:[57, 61] Operation: 63-2=61 Exploring Operation: 2+63=65, Resulting Numbers: [57, 65] Generated Node #0,3,1: 22:[57, 65] Operation: 2+63=65 Exploring Operation: 57-2=55, Resulting Numbers: [63, 55] Generated Node #0,3,2: 22:[63, 55] Operation: 57-2=55 Exploring Operation: 63-57=6, Resulting Numbers: [2, 6] Generated Node #0,3,3: 22:[2, 6] Operation: 63-57=6 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 22:[2, 6], Operations: ['72-15=57', '63-57=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,22 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,22 unequal: No Solution No 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: 22:[57, 61], Operations: ['72-15=57', '63-2=61'] Exploring Operation: 57+61=118, Resulting Numbers: [118] 118,22 unequal: No Solution Exploring Operation: 61-57=4, Resulting Numbers: [4] 4,22 unequal: No Solution Exploring Operation: 57*61=3477, Resulting Numbers: [3477] 3477,22 unequal: No Solution No 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: 22:[63, 55], Operations: ['72-15=57', '57-2=55'] Exploring Operation: 63-55=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 63+55=118, Resulting Numbers: [118] 118,22 unequal: No Solution Exploring Operation: 63*55=3465, Resulting Numbers: [3465] 3465,22 unequal: No Solution No 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: 22:[57, 65], Operations: ['72-15=57', '2+63=65'] Exploring Operation: 57*65=3705, Resulting Numbers: [3705] 3705,22 unequal: No Solution Exploring Operation: 57+65=122, Resulting Numbers: [122] 122,22 unequal: No Solution Exploring Operation: 65-57=8, Resulting Numbers: [8] 8,22 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: 22:[72, 2, 48], Operations: ['63-15=48'] Exploring Operation: 72-48=24, Resulting Numbers: [2, 24] Generated Node #0,2,0: 22:[2, 24] Operation: 72-48=24 Exploring Operation: 72/2=36, Resulting Numbers: [48, 36] Generated Node #0,2,1: 22:[48, 36] Operation: 72/2=36 Exploring Operation: 72-2=70, Resulting Numbers: [48, 70] Generated Node #0,2,2: 22:[48, 70] Operation: 72-2=70 Exploring Operation: 48/2=24, Resulting Numbers: [72, 24] Generated Node #0,2,3: 22:[72, 24] Operation: 48/2=24 Moving to Node #0,0,2 Current State: 22:[2, 24], Operations: ['72-63=9', '15+9=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[72, 2, 63, 15], Operations: [] Exploring Operation: 72-63=9, Resulting Numbers: [2, 15, 9] Generated Node #0,0: 22:[2, 15, 9] Operation: 72-63=9 Moving to Node #0,0 Current State: 22:[2, 15, 9], Operations: ['72-63=9'] Exploring Operation: 15+9=24, Resulting Numbers: [2, 24] Generated Node #0,0,2: 22:[2, 24] Operation: 15+9=24 Moving to Node #0,0,2 Current State: 22:[2, 24], Operations: ['72-63=9', '15+9=24'] Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
0.967014
hs_4
mult_heuristic
[ 39, 54, 23, 32 ]
24
[ "54-39=15", "32-23=9", "15+9=24" ]
Current State: 24:[39, 54, 23, 32], Operations: [] Exploring Operation: 54-39=15, Resulting Numbers: [23, 32, 15] Generated Node #2: [23, 32, 15] from Operation: 54-39=15 Current State: 24:[23, 32, 15], Operations: ['54-39=15'] Exploring Operation: 32-23=9, Resulting Numbers: [15, 9] Generated Node #3: [15, 9] from Operation: 32-23=9 Current State: 24:[15, 9], Operations: ['54-39=15', '32-23=9'] Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[39, 54, 23, 32], Operations: [] Exploring Operation: 39-32=7, Resulting Numbers: [54, 23, 7] Generated Node #0,0: 24:[54, 23, 7] Operation: 39-32=7 Exploring Operation: 54-32=22, Resulting Numbers: [39, 23, 22] Generated Node #0,1: 24:[39, 23, 22] Operation: 54-32=22 Exploring Operation: 54-23=31, Resulting Numbers: [39, 32, 31] Generated Node #0,2: 24:[39, 32, 31] Operation: 54-23=31 Exploring Operation: 54-39=15, Resulting Numbers: [23, 32, 15] Generated Node #0,3: 24:[23, 32, 15] Operation: 54-39=15 Moving to Node #0,3 Current State: 24:[23, 32, 15], Operations: ['54-39=15'] Exploring Operation: 23+15=38, Resulting Numbers: [32, 38] Generated Node #0,3,0: 24:[32, 38] Operation: 23+15=38 Exploring Operation: 32-15=17, Resulting Numbers: [23, 17] Generated Node #0,3,1: 24:[23, 17] Operation: 32-15=17 Exploring Operation: 32-23=9, Resulting Numbers: [15, 9] Generated Node #0,3,2: 24:[15, 9] Operation: 32-23=9 Exploring Operation: 23-15=8, Resulting Numbers: [32, 8] Generated Node #0,3,3: 24:[32, 8] Operation: 23-15=8 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 24:[15, 9], Operations: ['54-39=15', '32-23=9'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,24 unequal: No Solution Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[39, 54, 23, 32], Operations: [] Exploring Operation: 54-39=15, Resulting Numbers: [23, 32, 15] Generated Node #0,3: 24:[23, 32, 15] Operation: 54-39=15 Moving to Node #0,3 Current State: 24:[23, 32, 15], Operations: ['54-39=15'] Exploring Operation: 32-23=9, Resulting Numbers: [15, 9] Generated Node #0,3,2: 24:[15, 9] Operation: 32-23=9 Moving to Node #0,3,2 Current State: 24:[15, 9], Operations: ['54-39=15', '32-23=9'] Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 33, 19, 2, 36 ]
19
[ "33+2=35", "36-35=1", "19*1=19" ]
Current State: 19:[33, 19, 2, 36], Operations: [] Exploring Operation: 33+2=35, Resulting Numbers: [19, 36, 35] Generated Node #2: [19, 36, 35] from Operation: 33+2=35 Current State: 19:[19, 36, 35], Operations: ['33+2=35'] Exploring Operation: 36-35=1, Resulting Numbers: [19, 1] Generated Node #3: [19, 1] from Operation: 36-35=1 Current State: 19:[19, 1], Operations: ['33+2=35', '36-35=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[33, 19, 2, 36], Operations: [] Exploring Operation: 36/2=18, Resulting Numbers: [33, 19, 18] Generated Node #0,0: 19:[33, 19, 18] Operation: 36/2=18 Exploring Operation: 33-2=31, Resulting Numbers: [19, 36, 31] Generated Node #0,1: 19:[19, 36, 31] Operation: 33-2=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[33, 19, 18], Operations: ['36/2=18'] Exploring Operation: 33-18=15, Resulting Numbers: [19, 15] Generated Node #0,0,0: 19:[19, 15] Operation: 33-18=15 Exploring Operation: 33-19=14, Resulting Numbers: [18, 14] Generated Node #0,0,1: 19:[18, 14] Operation: 33-19=14 Moving to Node #0,0,0 Current State: 19:[19, 15], Operations: ['36/2=18', '33-18=15'] Exploring Operation: 19+15=34, Resulting Numbers: [34] 34,19 unequal: No Solution Exploring Operation: 19-15=4, Resulting Numbers: [4] 4,19 unequal: No Solution Moving to Node #0,0,1 Current State: 19:[18, 14], Operations: ['36/2=18', '33-19=14'] Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,19 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[19, 36, 31], Operations: ['33-2=31'] Exploring Operation: 36-31=5, Resulting Numbers: [19, 5] Generated Node #0,1,0: 19:[19, 5] Operation: 36-31=5 Exploring Operation: 36-19=17, Resulting Numbers: [31, 17] Generated Node #0,1,1: 19:[31, 17] Operation: 36-19=17 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 19:[19, 5], Operations: ['33-2=31', '36-31=5'] Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,19 unequal: No Solution Exploring Operation: 19+5=24, Resulting Numbers: [24] 24,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[31, 17], Operations: ['33-2=31', '36-19=17'] Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,19 unequal: No Solution Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 63, 43, 13, 37 ]
45
[ "63-37=26", "26/13=2", "43+2=45" ]
Current State: 45:[63, 43, 13, 37], Operations: [] Exploring Operation: 63-37=26, Resulting Numbers: [43, 13, 26] Generated Node #2: [43, 13, 26] from Operation: 63-37=26 Current State: 45:[43, 13, 26], Operations: ['63-37=26'] Exploring Operation: 26/13=2, Resulting Numbers: [43, 2] Generated Node #3: [43, 2] from Operation: 26/13=2 Current State: 45:[43, 2], Operations: ['63-37=26', '26/13=2'] Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[63, 43, 13, 37], Operations: [] Exploring Operation: 63-43=20, Resulting Numbers: [13, 37, 20] Generated Node #0,0: 45:[13, 37, 20] Operation: 63-43=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[13, 37, 20], Operations: ['63-43=20'] Exploring Operation: 37-20=17, Resulting Numbers: [13, 17] Generated Node #0,0,0: 45:[13, 17] Operation: 37-20=17 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 45:[13, 17], Operations: ['63-43=20', '37-20=17'] Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 97, 75, 61, 25 ]
14
[ "97-75=22", "61-25=36", "36-22=14" ]
Current State: 14:[97, 75, 61, 25], Operations: [] Exploring Operation: 97-75=22, Resulting Numbers: [61, 25, 22] Generated Node #2: [61, 25, 22] from Operation: 97-75=22 Current State: 14:[61, 25, 22], Operations: ['97-75=22'] Exploring Operation: 61-25=36, Resulting Numbers: [22, 36] Generated Node #3: [22, 36] from Operation: 61-25=36 Current State: 14:[22, 36], Operations: ['97-75=22', '61-25=36'] Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[97, 75, 61, 25], Operations: [] Exploring Operation: 75-61=14, Resulting Numbers: [97, 25, 14] Generated Node #0,0: 14:[97, 25, 14] Operation: 75-61=14 Exploring Operation: 75/25=3, Resulting Numbers: [97, 61, 3] Generated Node #0,1: 14:[97, 61, 3] Operation: 75/25=3 Exploring Operation: 97-61=36, Resulting Numbers: [75, 25, 36] Generated Node #0,2: 14:[75, 25, 36] Operation: 97-61=36 Exploring Operation: 97-25=72, Resulting Numbers: [75, 61, 72] Generated Node #0,3: 14:[75, 61, 72] Operation: 97-25=72 Exploring Operation: 97-75=22, Resulting Numbers: [61, 25, 22] Generated Node #0,4: 14:[61, 25, 22] Operation: 97-75=22 Start Sub Search at level 1: Moving to Node #0,4 Current State: 14:[61, 25, 22], Operations: ['97-75=22'] Exploring Operation: 61-25=36, Resulting Numbers: [22, 36] Generated Node #0,4,0: 14:[22, 36] Operation: 61-25=36 Exploring Operation: 61+25=86, Resulting Numbers: [22, 86] Generated Node #0,4,1: 14:[22, 86] Operation: 61+25=86 Exploring Operation: 61-22=39, Resulting Numbers: [25, 39] Generated Node #0,4,2: 14:[25, 39] Operation: 61-22=39 Exploring Operation: 61+22=83, Resulting Numbers: [25, 83] Generated Node #0,4,3: 14:[25, 83] Operation: 61+22=83 Exploring Operation: 25-22=3, Resulting Numbers: [61, 3] Generated Node #0,4,4: 14:[61, 3] Operation: 25-22=3 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 14:[22, 36], Operations: ['97-75=22', '61-25=36'] Exploring Operation: 22+36=58, Resulting Numbers: [58] 58,14 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[97, 75, 61, 25], Operations: [] Exploring Operation: 97-75=22, Resulting Numbers: [61, 25, 22] Generated Node #0,4: 14:[61, 25, 22] Operation: 97-75=22 Moving to Node #0,4 Current State: 14:[61, 25, 22], Operations: ['97-75=22'] Exploring Operation: 61-25=36, Resulting Numbers: [22, 36] Generated Node #0,4,0: 14:[22, 36] Operation: 61-25=36 Moving to Node #0,4,0 Current State: 14:[22, 36], Operations: ['97-75=22', '61-25=36'] Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 24, 6, 34, 12 ]
15
[ "6*34=204", "204-24=180", "180/12=15" ]
Current State: 15:[24, 6, 34, 12], Operations: [] Exploring Operation: 6*34=204, Resulting Numbers: [24, 12, 204] Generated Node #2: [24, 12, 204] from Operation: 6*34=204 Current State: 15:[24, 12, 204], Operations: ['6*34=204'] Exploring Operation: 204-24=180, Resulting Numbers: [12, 180] Generated Node #3: [12, 180] from Operation: 204-24=180 Current State: 15:[12, 180], Operations: ['6*34=204', '204-24=180'] Exploring Operation: 180/12=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[24, 6, 34, 12], Operations: [] Exploring Operation: 34-24=10, Resulting Numbers: [6, 12, 10] Generated Node #0,0: 15:[6, 12, 10] Operation: 34-24=10 Exploring Operation: 24/12=2, Resulting Numbers: [6, 34, 2] Generated Node #0,1: 15:[6, 34, 2] Operation: 24/12=2 Exploring Operation: 34-12=22, Resulting Numbers: [24, 6, 22] Generated Node #0,2: 15:[24, 6, 22] Operation: 34-12=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[6, 12, 10], Operations: ['34-24=10'] Exploring Operation: 12-10=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 15:[6, 2] Operation: 12-10=2 Exploring Operation: 10-6=4, Resulting Numbers: [12, 4] Generated Node #0,0,1: 15:[12, 4] Operation: 10-6=4 Exploring Operation: 6+10=16, Resulting Numbers: [12, 16] Generated Node #0,0,2: 15:[12, 16] Operation: 6+10=16 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[6, 2], Operations: ['34-24=10', '12-10=2'] Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,15 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:[12, 4], Operations: ['34-24=10', '10-6=4'] Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,15 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 #0,0,2 Current State: 15:[12, 16], Operations: ['34-24=10', '6+10=16'] Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 12*16=192, Resulting Numbers: [192] 192,15 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,15 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 #0,2 Current State: 15:[24, 6, 22], Operations: ['34-12=22'] Exploring Operation: 24-22=2, Resulting Numbers: [6, 2] Generated Node #0,2,0: 15:[6, 2] Operation: 24-22=2 Exploring Operation: 24/6=4, Resulting Numbers: [22, 4] Generated Node #0,2,1: 15:[22, 4] Operation: 24/6=4 Exploring Operation: 24-6=18, Resulting Numbers: [22, 18] Generated Node #0,2,2: 15:[22, 18] Operation: 24-6=18 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 15:[6, 2], Operations: ['34-12=22', '24-22=2'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 6+2=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 #0,2,1 Current State: 15:[22, 4], Operations: ['34-12=22', '24/6=4'] Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,15 unequal: No Solution Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,15 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,15 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 #0,2,2 Current State: 15:[22, 18], Operations: ['34-12=22', '24-6=18'] Exploring Operation: 22-18=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 22*18=396, Resulting Numbers: [396] 396,15 unequal: No Solution Exploring Operation: 22+18=40, Resulting Numbers: [40] 40,15 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 #0,1 Current State: 15:[6, 34, 2], Operations: ['24/12=2'] Exploring Operation: 34/2=17, Resulting Numbers: [6, 17] Generated Node #0,1,0: 15:[6, 17] Operation: 34/2=17 Exploring Operation: 34-2=32, Resulting Numbers: [6, 32] Generated Node #0,1,1: 15:[6, 32] Operation: 34-2=32 Exploring Operation: 34-6=28, Resulting Numbers: [2, 28] Generated Node #0,1,2: 15:[2, 28] Operation: 34-6=28 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 15:[6, 17], Operations: ['24/12=2', '34/2=17'] Exploring Operation: 17-6=11, Resulting Numbers: [11] 11,15 unequal: No Solution Exploring Operation: 6*17=102, Resulting Numbers: [102] 102,15 unequal: No Solution Exploring Operation: 6+17=23, Resulting Numbers: [23] 23,15 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 #0,1,2 Current State: 15:[2, 28], Operations: ['24/12=2', '34-6=28'] Exploring Operation: 28-2=26, Resulting Numbers: [26] 26,15 unequal: No Solution Exploring Operation: 2+28=30, Resulting Numbers: [30] 30,15 unequal: No Solution Exploring Operation: 28/2=14, Resulting Numbers: [14] 14,15 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 #0,1,1 Current State: 15:[6, 32], Operations: ['24/12=2', '34-2=32'] Exploring Operation: 6*32=192, Resulting Numbers: [192] 192,15 unequal: No Solution Exploring Operation: 32-6=26, Resulting Numbers: [26] 26,15 unequal: No Solution Exploring Operation: 6+32=38, Resulting Numbers: [38] 38,15 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 No solution found.
0
hs_3
mult_heuristic
[ 29, 24, 35, 12 ]
95
[ "29-24=5", "12*5=60", "35+60=95" ]
Current State: 95:[29, 24, 35, 12], Operations: [] Exploring Operation: 29-24=5, Resulting Numbers: [35, 12, 5] Generated Node #2: [35, 12, 5] from Operation: 29-24=5 Current State: 95:[35, 12, 5], Operations: ['29-24=5'] Exploring Operation: 12*5=60, Resulting Numbers: [35, 60] Generated Node #3: [35, 60] from Operation: 12*5=60 Current State: 95:[35, 60], Operations: ['29-24=5', '12*5=60'] Exploring Operation: 35+60=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[29, 24, 35, 12], Operations: [] Exploring Operation: 35-29=6, Resulting Numbers: [24, 12, 6] Generated Node #0,0: 95:[24, 12, 6] Operation: 35-29=6 Moving to Node #0,0 Current State: 95:[24, 12, 6], Operations: ['35-29=6'] Exploring Operation: 24/12=2, Resulting Numbers: [6, 2] Generated Node #0,0,0: 95:[6, 2] Operation: 24/12=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[6, 2], Operations: ['35-29=6', '24/12=2'] Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 55, 2, 85, 91 ]
21
[ "55+85=140", "140/2=70", "91-70=21" ]
Current State: 21:[55, 2, 85, 91], Operations: [] Exploring Operation: 55+85=140, Resulting Numbers: [2, 91, 140] Generated Node #2: [2, 91, 140] from Operation: 55+85=140 Current State: 21:[2, 91, 140], Operations: ['55+85=140'] Exploring Operation: 140/2=70, Resulting Numbers: [91, 70] Generated Node #3: [91, 70] from Operation: 140/2=70 Current State: 21:[91, 70], Operations: ['55+85=140', '140/2=70'] Exploring Operation: 91-70=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[55, 2, 85, 91], Operations: [] Exploring Operation: 91-55=36, Resulting Numbers: [2, 85, 36] Generated Node #0,0: 21:[2, 85, 36] Operation: 91-55=36 Exploring Operation: 91-85=6, Resulting Numbers: [55, 2, 6] Generated Node #0,1: 21:[55, 2, 6] Operation: 91-85=6 Exploring Operation: 55-2=53, Resulting Numbers: [85, 91, 53] Generated Node #0,2: 21:[85, 91, 53] Operation: 55-2=53 Exploring Operation: 85-55=30, Resulting Numbers: [2, 91, 30] Generated Node #0,3: 21:[2, 91, 30] Operation: 85-55=30 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[55, 2, 6], Operations: ['91-85=6'] Exploring Operation: 2+6=8, Resulting Numbers: [55, 8] Generated Node #0,1,0: 21:[55, 8] Operation: 2+6=8 Exploring Operation: 55-2=53, Resulting Numbers: [6, 53] Generated Node #0,1,1: 21:[6, 53] Operation: 55-2=53 Exploring Operation: 55-6=49, Resulting Numbers: [2, 49] Generated Node #0,1,2: 21:[2, 49] Operation: 55-6=49 Exploring Operation: 6/2=3, Resulting Numbers: [55, 3] Generated Node #0,1,3: 21:[55, 3] Operation: 6/2=3 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 21:[2, 49], Operations: ['91-85=6', '55-6=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,21 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,21 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,21 unequal: No Solution No 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: 21:[6, 53], Operations: ['91-85=6', '55-2=53'] Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,21 unequal: No Solution Exploring Operation: 6+53=59, Resulting Numbers: [59] 59,21 unequal: No Solution Exploring Operation: 6*53=318, Resulting Numbers: [318] 318,21 unequal: No Solution No 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: 21:[55, 3], Operations: ['91-85=6', '6/2=3'] Exploring Operation: 55+3=58, Resulting Numbers: [58] 58,21 unequal: No Solution Exploring Operation: 55*3=165, Resulting Numbers: [165] 165,21 unequal: No Solution Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,21 unequal: No Solution No 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: 21:[55, 8], Operations: ['91-85=6', '2+6=8'] Exploring Operation: 55+8=63, Resulting Numbers: [63] 63,21 unequal: No Solution Exploring Operation: 55*8=440, Resulting Numbers: [440] 440,21 unequal: No Solution Exploring Operation: 55-8=47, Resulting Numbers: [47] 47,21 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: 21:[2, 85, 36], Operations: ['91-55=36'] Exploring Operation: 85-2=83, Resulting Numbers: [36, 83] Generated Node #0,0,0: 21:[36, 83] Operation: 85-2=83 Exploring Operation: 85-36=49, Resulting Numbers: [2, 49] Generated Node #0,0,1: 21:[2, 49] Operation: 85-36=49 Exploring Operation: 36/2=18, Resulting Numbers: [85, 18] Generated Node #0,0,2: 21:[85, 18] Operation: 36/2=18 Exploring Operation: 36-2=34, Resulting Numbers: [85, 34] Generated Node #0,0,3: 21:[85, 34] Operation: 36-2=34 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 21:[2, 49], Operations: ['91-55=36', '85-36=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,21 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,21 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,21 unequal: No Solution No 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: 21:[85, 18], Operations: ['91-55=36', '36/2=18'] Exploring Operation: 85*18=1530, Resulting Numbers: [1530] 1530,21 unequal: No Solution Exploring Operation: 85+18=103, Resulting Numbers: [103] 103,21 unequal: No Solution Exploring Operation: 85-18=67, Resulting Numbers: [67] 67,21 unequal: No Solution No 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: 21:[36, 83], Operations: ['91-55=36', '85-2=83'] Exploring Operation: 83-36=47, Resulting Numbers: [47] 47,21 unequal: No Solution Exploring Operation: 36+83=119, Resulting Numbers: [119] 119,21 unequal: No Solution Exploring Operation: 36*83=2988, Resulting Numbers: [2988] 2988,21 unequal: No Solution No 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: 21:[85, 34], Operations: ['91-55=36', '36-2=34'] Exploring Operation: 85+34=119, Resulting Numbers: [119] 119,21 unequal: No Solution Exploring Operation: 85-34=51, Resulting Numbers: [51] 51,21 unequal: No Solution Exploring Operation: 85*34=2890, Resulting Numbers: [2890] 2890,21 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: 21:[2, 91, 30], Operations: ['85-55=30'] Exploring Operation: 30/2=15, Resulting Numbers: [91, 15] Generated Node #0,3,0: 21:[91, 15] Operation: 30/2=15 Exploring Operation: 30-2=28, Resulting Numbers: [91, 28] Generated Node #0,3,1: 21:[91, 28] Operation: 30-2=28 Exploring Operation: 91-30=61, Resulting Numbers: [2, 61] Generated Node #0,3,2: 21:[2, 61] Operation: 91-30=61 Exploring Operation: 91-2=89, Resulting Numbers: [30, 89] Generated Node #0,3,3: 21:[30, 89] Operation: 91-2=89 Moving to Node #0,3,2 Current State: 21:[2, 61], Operations: ['85-55=30', '91-30=61'] Exploring Operation: 2*61=122, Resulting Numbers: [122] 122,21 unequal: No Solution Exploring Operation: 61-2=59, Resulting Numbers: [59] 59,21 unequal: No Solution Exploring Operation: 2+61=63, Resulting Numbers: [63] 63,21 unequal: No Solution Moving to Node #0,3,0 Current State: 21:[91, 15], Operations: ['85-55=30', '30/2=15'] Exploring Operation: 91*15=1365, Resulting Numbers: [1365] 1365,21 unequal: No Solution Exploring Operation: 91+15=106, Resulting Numbers: [106] 106,21 unequal: No Solution Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,21 unequal: No Solution Moving to Node #0,3,3 Current State: 21:[30, 89], Operations: ['85-55=30', '91-2=89'] Exploring Operation: 30+89=119, Resulting Numbers: [119] 119,21 unequal: No Solution Exploring Operation: 30*89=2670, Resulting Numbers: [2670] 2670,21 unequal: No Solution Exploring Operation: 89-30=59, Resulting Numbers: [59] 59,21 unequal: No Solution Moving to Node #0,3,1 Current State: 21:[91, 28], Operations: ['85-55=30', '30-2=28'] Exploring Operation: 91*28=2548, Resulting Numbers: [2548] 2548,21 unequal: No Solution Exploring Operation: 91-28=63, Resulting Numbers: [63] 63,21 unequal: No Solution Exploring Operation: 91+28=119, Resulting Numbers: [119] 119,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[85, 91, 53], Operations: ['55-2=53'] Exploring Operation: 85+91=176, Resulting Numbers: [53, 176] Generated Node #0,2,0: 21:[53, 176] Operation: 85+91=176 Exploring Operation: 91-85=6, Resulting Numbers: [53, 6] Generated Node #0,2,1: 21:[53, 6] Operation: 91-85=6 Exploring Operation: 85-53=32, Resulting Numbers: [91, 32] Generated Node #0,2,2: 21:[91, 32] Operation: 85-53=32 Exploring Operation: 91-53=38, Resulting Numbers: [85, 38] Generated Node #0,2,3: 21:[85, 38] Operation: 91-53=38 Moving to Node #0,2,1 Current State: 21:[53, 6], Operations: ['55-2=53', '91-85=6'] Exploring Operation: 53-6=47, Resulting Numbers: [47] 47,21 unequal: No Solution Exploring Operation: 53*6=318, Resulting Numbers: [318] 318,21 unequal: No Solution Exploring Operation: 53+6=59, Resulting Numbers: [59] 59,21 unequal: No Solution Moving to Node #0,2,3 Current State: 21:[85, 38], Operations: ['55-2=53', '91-53=38'] Exploring Operation: 85*38=3230, Resulting Numbers: [3230] 3230,21 unequal: No Solution Exploring Operation: 85-38=47, Resulting Numbers: [47] 47,21 unequal: No Solution Exploring Operation: 85+38=123, Resulting Numbers: [123] 123,21 unequal: No Solution Moving to Node #0,2,2 Current State: 21:[91, 32], Operations: ['55-2=53', '85-53=32'] Exploring Operation: 91+32=123, Resulting Numbers: [123] 123,21 unequal: No Solution Exploring Operation: 91*32=2912, Resulting Numbers: [2912] 2912,21 unequal: No Solution Exploring Operation: 91-32=59, Resulting Numbers: [59] 59,21 unequal: No Solution Moving to Node #0,2,0 Current State: 21:[53, 176], Operations: ['55-2=53', '85+91=176'] Exploring Operation: 53+176=229, Resulting Numbers: [229] 229,21 unequal: No Solution Exploring Operation: 53*176=9328, Resulting Numbers: [9328] 9328,21 unequal: No Solution Exploring Operation: 176-53=123, Resulting Numbers: [123] 123,21 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
[ 16, 39, 56, 47 ]
46
[ "16+39=55", "56-47=9", "55-9=46" ]
Current State: 46:[16, 39, 56, 47], Operations: [] Exploring Operation: 16+39=55, Resulting Numbers: [56, 47, 55] Generated Node #2: [56, 47, 55] from Operation: 16+39=55 Current State: 46:[56, 47, 55], Operations: ['16+39=55'] Exploring Operation: 56-47=9, Resulting Numbers: [55, 9] Generated Node #3: [55, 9] from Operation: 56-47=9 Current State: 46:[55, 9], Operations: ['16+39=55', '56-47=9'] Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[16, 39, 56, 47], Operations: [] Exploring Operation: 56-47=9, Resulting Numbers: [16, 39, 9] Generated Node #0,0: 46:[16, 39, 9] Operation: 56-47=9 Exploring Operation: 56-16=40, Resulting Numbers: [39, 47, 40] Generated Node #0,1: 46:[39, 47, 40] Operation: 56-16=40 Exploring Operation: 16+39=55, Resulting Numbers: [56, 47, 55] Generated Node #0,2: 46:[56, 47, 55] Operation: 16+39=55 Exploring Operation: 56-39=17, Resulting Numbers: [16, 47, 17] Generated Node #0,3: 46:[16, 47, 17] Operation: 56-39=17 Exploring Operation: 39-16=23, Resulting Numbers: [56, 47, 23] Generated Node #0,4: 46:[56, 47, 23] Operation: 39-16=23 Start Sub Search at level 1: Moving to Node #0,4 Current State: 46:[56, 47, 23], Operations: ['39-16=23'] Exploring Operation: 47+23=70, Resulting Numbers: [56, 70] Generated Node #0,4,0: 46:[56, 70] Operation: 47+23=70 Exploring Operation: 47-23=24, Resulting Numbers: [56, 24] Generated Node #0,4,1: 46:[56, 24] Operation: 47-23=24 Exploring Operation: 56-47=9, Resulting Numbers: [23, 9] Generated Node #0,4,2: 46:[23, 9] Operation: 56-47=9 Exploring Operation: 56-23=33, Resulting Numbers: [47, 33] Generated Node #0,4,3: 46:[47, 33] Operation: 56-23=33 Exploring Operation: 56+23=79, Resulting Numbers: [47, 79] Generated Node #0,4,4: 46:[47, 79] Operation: 56+23=79 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 46:[23, 9], Operations: ['39-16=23', '56-47=9'] Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 23*9=207, Resulting Numbers: [207] 207,46 unequal: No Solution Exploring Operation: 23+9=32, Resulting Numbers: [32] 32,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 46:[56, 24], Operations: ['39-16=23', '47-23=24'] Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,46 unequal: No Solution Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,46 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 46:[47, 33], Operations: ['39-16=23', '56-23=33'] Exploring Operation: 47*33=1551, Resulting Numbers: [1551] 1551,46 unequal: No Solution Exploring Operation: 47-33=14, Resulting Numbers: [14] 14,46 unequal: No Solution Exploring Operation: 47+33=80, Resulting Numbers: [80] 80,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 46:[56, 70], Operations: ['39-16=23', '47+23=70'] Exploring Operation: 56+70=126, Resulting Numbers: [126] 126,46 unequal: No Solution Exploring Operation: 56*70=3920, Resulting Numbers: [3920] 3920,46 unequal: No Solution Exploring Operation: 70-56=14, Resulting Numbers: [14] 14,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 46:[47, 79], Operations: ['39-16=23', '56+23=79'] Exploring Operation: 79-47=32, Resulting Numbers: [32] 32,46 unequal: No Solution Exploring Operation: 47*79=3713, Resulting Numbers: [3713] 3713,46 unequal: No Solution Exploring Operation: 47+79=126, Resulting Numbers: [126] 126,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[39, 47, 40], Operations: ['56-16=40'] Exploring Operation: 39+47=86, Resulting Numbers: [40, 86] Generated Node #0,1,0: 46:[40, 86] Operation: 39+47=86 Exploring Operation: 39+40=79, Resulting Numbers: [47, 79] Generated Node #0,1,1: 46:[47, 79] Operation: 39+40=79 Exploring Operation: 47-40=7, Resulting Numbers: [39, 7] Generated Node #0,1,2: 46:[39, 7] Operation: 47-40=7 Exploring Operation: 47-39=8, Resulting Numbers: [40, 8] Generated Node #0,1,3: 46:[40, 8] Operation: 47-39=8 Exploring Operation: 40-39=1, Resulting Numbers: [47, 1] Generated Node #0,1,4: 46:[47, 1] Operation: 40-39=1 Moving to Node #0,1,4 Current State: 46:[47, 1], Operations: ['56-16=40', '40-39=1'] Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,46 unequal: No Solution Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,46 unequal: No Solution Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[16, 39, 56, 47], Operations: [] Exploring Operation: 56-16=40, Resulting Numbers: [39, 47, 40] Generated Node #0,1: 46:[39, 47, 40] Operation: 56-16=40 Moving to Node #0,1 Current State: 46:[39, 47, 40], Operations: ['56-16=40'] Exploring Operation: 40-39=1, Resulting Numbers: [47, 1] Generated Node #0,1,4: 46:[47, 1] Operation: 40-39=1 Moving to Node #0,1,4 Current State: 46:[47, 1], Operations: ['56-16=40', '40-39=1'] Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 45, 7, 20, 10 ]
36
[ "45-7=38", "20/10=2", "38-2=36" ]
Current State: 36:[45, 7, 20, 10], Operations: [] Exploring Operation: 45-7=38, Resulting Numbers: [20, 10, 38] Generated Node #2: [20, 10, 38] from Operation: 45-7=38 Current State: 36:[20, 10, 38], Operations: ['45-7=38'] Exploring Operation: 20/10=2, Resulting Numbers: [38, 2] Generated Node #3: [38, 2] from Operation: 20/10=2 Current State: 36:[38, 2], Operations: ['45-7=38', '20/10=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[45, 7, 20, 10], Operations: [] Exploring Operation: 45-7=38, Resulting Numbers: [20, 10, 38] Generated Node #0,0: 36:[20, 10, 38] Operation: 45-7=38 Exploring Operation: 45-10=35, Resulting Numbers: [7, 20, 35] Generated Node #0,1: 36:[7, 20, 35] Operation: 45-10=35 Exploring Operation: 45-20=25, Resulting Numbers: [7, 10, 25] Generated Node #0,2: 36:[7, 10, 25] Operation: 45-20=25 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[7, 20, 35], Operations: ['45-10=35'] Exploring Operation: 35/7=5, Resulting Numbers: [20, 5] Generated Node #0,1,0: 36:[20, 5] Operation: 35/7=5 Exploring Operation: 20-7=13, Resulting Numbers: [35, 13] Generated Node #0,1,1: 36:[35, 13] Operation: 20-7=13 Exploring Operation: 35-20=15, Resulting Numbers: [7, 15] Generated Node #0,1,2: 36:[7, 15] Operation: 35-20=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 36:[35, 13], Operations: ['45-10=35', '20-7=13'] Exploring Operation: 35+13=48, Resulting Numbers: [48] 48,36 unequal: No Solution Exploring Operation: 35*13=455, Resulting Numbers: [455] 455,36 unequal: No Solution Exploring Operation: 35-13=22, Resulting Numbers: [22] 22,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 36:[20, 5], Operations: ['45-10=35', '35/7=5'] Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,36 unequal: No Solution Exploring Operation: 20+5=25, Resulting Numbers: [25] 25,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 36:[7, 15], Operations: ['45-10=35', '35-20=15'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,36 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[20, 10, 38], Operations: ['45-7=38'] Exploring Operation: 20/10=2, Resulting Numbers: [38, 2] Generated Node #0,0,0: 36:[38, 2] Operation: 20/10=2 Exploring Operation: 20-10=10, Resulting Numbers: [38, 10] Generated Node #0,0,1: 36:[38, 10] Operation: 20-10=10 Exploring Operation: 38-20=18, Resulting Numbers: [10, 18] Generated Node #0,0,2: 36:[10, 18] Operation: 38-20=18 Moving to Node #0,0,2 Current State: 36:[10, 18], Operations: ['45-7=38', '38-20=18'] Exploring Operation: 10*18=180, Resulting Numbers: [180] 180,36 unequal: No Solution Exploring Operation: 18-10=8, Resulting Numbers: [8] 8,36 unequal: No Solution Exploring Operation: 10+18=28, Resulting Numbers: [28] 28,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[38, 2], Operations: ['45-7=38', '20/10=2'] Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,36 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[45, 7, 20, 10], Operations: [] Exploring Operation: 45-7=38, Resulting Numbers: [20, 10, 38] Generated Node #0,0: 36:[20, 10, 38] Operation: 45-7=38 Moving to Node #0,0 Current State: 36:[20, 10, 38], Operations: ['45-7=38'] Exploring Operation: 20/10=2, Resulting Numbers: [38, 2] Generated Node #0,0,0: 36:[38, 2] Operation: 20/10=2 Moving to Node #0,0,0 Current State: 36:[38, 2], Operations: ['45-7=38', '20/10=2'] Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 80, 14, 56, 61 ]
15
[ "80-61=19", "56/14=4", "19-4=15" ]
Current State: 15:[80, 14, 56, 61], Operations: [] Exploring Operation: 80-61=19, Resulting Numbers: [14, 56, 19] Generated Node #2: [14, 56, 19] from Operation: 80-61=19 Current State: 15:[14, 56, 19], Operations: ['80-61=19'] Exploring Operation: 56/14=4, Resulting Numbers: [19, 4] Generated Node #3: [19, 4] from Operation: 56/14=4 Current State: 15:[19, 4], Operations: ['80-61=19', '56/14=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[80, 14, 56, 61], Operations: [] Exploring Operation: 80-56=24, Resulting Numbers: [14, 61, 24] Generated Node #0,0: 15:[14, 61, 24] Operation: 80-56=24 Exploring Operation: 61-56=5, Resulting Numbers: [80, 14, 5] Generated Node #0,1: 15:[80, 14, 5] Operation: 61-56=5 Exploring Operation: 80-61=19, Resulting Numbers: [14, 56, 19] Generated Node #0,2: 15:[14, 56, 19] Operation: 80-61=19 Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[14, 56, 19], Operations: ['80-61=19'] Exploring Operation: 56-19=37, Resulting Numbers: [14, 37] Generated Node #0,2,0: 15:[14, 37] Operation: 56-19=37 Exploring Operation: 56-14=42, Resulting Numbers: [19, 42] Generated Node #0,2,1: 15:[19, 42] Operation: 56-14=42 Exploring Operation: 56/14=4, Resulting Numbers: [19, 4] Generated Node #0,2,2: 15:[19, 4] Operation: 56/14=4 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 15:[19, 4], Operations: ['80-61=19', '56/14=4'] Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,15 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[80, 14, 56, 61], Operations: [] Exploring Operation: 80-61=19, Resulting Numbers: [14, 56, 19] Generated Node #0,2: 15:[14, 56, 19] Operation: 80-61=19 Moving to Node #0,2 Current State: 15:[14, 56, 19], Operations: ['80-61=19'] Exploring Operation: 56/14=4, Resulting Numbers: [19, 4] Generated Node #0,2,2: 15:[19, 4] Operation: 56/14=4 Moving to Node #0,2,2 Current State: 15:[19, 4], Operations: ['80-61=19', '56/14=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 79, 51, 83, 25 ]
22
[ "79+51=130", "83+25=108", "130-108=22" ]
Current State: 22:[79, 51, 83, 25], Operations: [] Exploring Operation: 79+51=130, Resulting Numbers: [83, 25, 130] Generated Node #2: [83, 25, 130] from Operation: 79+51=130 Current State: 22:[83, 25, 130], Operations: ['79+51=130'] Exploring Operation: 83+25=108, Resulting Numbers: [130, 108] Generated Node #3: [130, 108] from Operation: 83+25=108 Current State: 22:[130, 108], Operations: ['79+51=130', '83+25=108'] Exploring Operation: 130-108=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[79, 51, 83, 25], Operations: [] Exploring Operation: 83-51=32, Resulting Numbers: [79, 25, 32] Generated Node #0,0: 22:[79, 25, 32] Operation: 83-51=32 Exploring Operation: 83-79=4, Resulting Numbers: [51, 25, 4] Generated Node #0,1: 22:[51, 25, 4] Operation: 83-79=4 Exploring Operation: 51-25=26, Resulting Numbers: [79, 83, 26] Generated Node #0,2: 22:[79, 83, 26] Operation: 51-25=26 Exploring Operation: 79-51=28, Resulting Numbers: [83, 25, 28] Generated Node #0,3: 22:[83, 25, 28] Operation: 79-51=28 Exploring Operation: 79-25=54, Resulting Numbers: [51, 83, 54] Generated Node #0,4: 22:[51, 83, 54] Operation: 79-25=54 Moving to Node #0,1 Current State: 22:[51, 25, 4], Operations: ['83-79=4'] Exploring Operation: 51-25=26, Resulting Numbers: [4, 26] Generated Node #0,1,0: 22:[4, 26] Operation: 51-25=26 Exploring Operation: 25-4=21, Resulting Numbers: [51, 21] Generated Node #0,1,1: 22:[51, 21] Operation: 25-4=21 Exploring Operation: 51-4=47, Resulting Numbers: [25, 47] Generated Node #0,1,2: 22:[25, 47] Operation: 51-4=47 Exploring Operation: 25+4=29, Resulting Numbers: [51, 29] Generated Node #0,1,3: 22:[51, 29] Operation: 25+4=29 Exploring Operation: 51+4=55, Resulting Numbers: [25, 55] Generated Node #0,1,4: 22:[25, 55] Operation: 51+4=55 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 22:[4, 26], Operations: ['83-79=4', '51-25=26'] Exploring Operation: 4+26=30, Resulting Numbers: [30] 30,22 unequal: No Solution Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[79, 51, 83, 25], Operations: [] Exploring Operation: 83-79=4, Resulting Numbers: [51, 25, 4] Generated Node #0,1: 22:[51, 25, 4] Operation: 83-79=4 Moving to Node #0,1 Current State: 22:[51, 25, 4], Operations: ['83-79=4'] Exploring Operation: 51-25=26, Resulting Numbers: [4, 26] Generated Node #0,1,0: 22:[4, 26] Operation: 51-25=26 Moving to Node #0,1,0 Current State: 22:[4, 26], Operations: ['83-79=4', '51-25=26'] Exploring Operation: 26-4=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 37, 3, 74, 85 ]
51
[ "37+3=40", "85-74=11", "40+11=51" ]
Current State: 51:[37, 3, 74, 85], Operations: [] Exploring Operation: 37+3=40, Resulting Numbers: [74, 85, 40] Generated Node #2: [74, 85, 40] from Operation: 37+3=40 Current State: 51:[74, 85, 40], Operations: ['37+3=40'] Exploring Operation: 85-74=11, Resulting Numbers: [40, 11] Generated Node #3: [40, 11] from Operation: 85-74=11 Current State: 51:[40, 11], Operations: ['37+3=40', '85-74=11'] Exploring Operation: 40+11=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[37, 3, 74, 85], Operations: [] Exploring Operation: 74/37=2, Resulting Numbers: [3, 85, 2] Generated Node #0,0: 51:[3, 85, 2] Operation: 74/37=2 Exploring Operation: 74-37=37, Resulting Numbers: [3, 85, 37] Generated Node #0,1: 51:[3, 85, 37] Operation: 74-37=37 Exploring Operation: 85-74=11, Resulting Numbers: [37, 3, 11] Generated Node #0,2: 51:[37, 3, 11] Operation: 85-74=11 Exploring Operation: 37+3=40, Resulting Numbers: [74, 85, 40] Generated Node #0,3: 51:[74, 85, 40] Operation: 37+3=40 Exploring Operation: 85-37=48, Resulting Numbers: [3, 74, 48] Generated Node #0,4: 51:[3, 74, 48] Operation: 85-37=48 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[37, 3, 11], Operations: ['85-74=11'] Exploring Operation: 3+11=14, Resulting Numbers: [37, 14] Generated Node #0,2,0: 51:[37, 14] Operation: 3+11=14 Exploring Operation: 11-3=8, Resulting Numbers: [37, 8] Generated Node #0,2,1: 51:[37, 8] Operation: 11-3=8 Exploring Operation: 37+11=48, Resulting Numbers: [3, 48] Generated Node #0,2,2: 51:[3, 48] Operation: 37+11=48 Exploring Operation: 37-11=26, Resulting Numbers: [3, 26] Generated Node #0,2,3: 51:[3, 26] Operation: 37-11=26 Exploring Operation: 37+3=40, Resulting Numbers: [11, 40] Generated Node #0,2,4: 51:[11, 40] Operation: 37+3=40 Moving to Node #0,2,2 Current State: 51:[3, 48], Operations: ['85-74=11', '37+11=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[37, 3, 74, 85], Operations: [] Exploring Operation: 85-74=11, Resulting Numbers: [37, 3, 11] Generated Node #0,2: 51:[37, 3, 11] Operation: 85-74=11 Moving to Node #0,2 Current State: 51:[37, 3, 11], Operations: ['85-74=11'] Exploring Operation: 37+11=48, Resulting Numbers: [3, 48] Generated Node #0,2,2: 51:[3, 48] Operation: 37+11=48 Moving to Node #0,2,2 Current State: 51:[3, 48], Operations: ['85-74=11', '37+11=48'] Exploring Operation: 3+48=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 34, 32, 13, 26 ]
39
[ "34-32=2", "26*2=52", "52-13=39" ]
Current State: 39:[34, 32, 13, 26], Operations: [] Exploring Operation: 34-32=2, Resulting Numbers: [13, 26, 2] Generated Node #2: [13, 26, 2] from Operation: 34-32=2 Current State: 39:[13, 26, 2], Operations: ['34-32=2'] Exploring Operation: 26*2=52, Resulting Numbers: [13, 52] Generated Node #3: [13, 52] from Operation: 26*2=52 Current State: 39:[13, 52], Operations: ['34-32=2', '26*2=52'] Exploring Operation: 52-13=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[34, 32, 13, 26], Operations: [] Exploring Operation: 32-26=6, Resulting Numbers: [34, 13, 6] Generated Node #0,0: 39:[34, 13, 6] Operation: 32-26=6 Exploring Operation: 26/13=2, Resulting Numbers: [34, 32, 2] Generated Node #0,1: 39:[34, 32, 2] Operation: 26/13=2 Exploring Operation: 34-26=8, Resulting Numbers: [32, 13, 8] Generated Node #0,2: 39:[32, 13, 8] Operation: 34-26=8 Exploring Operation: 26-13=13, Resulting Numbers: [34, 32, 13] Generated Node #0,3: 39:[34, 32, 13] Operation: 26-13=13 Exploring Operation: 13+26=39, Resulting Numbers: [34, 32, 39] Generated Node #0,4: 39:[34, 32, 39] Operation: 13+26=39 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[34, 13, 6], Operations: ['32-26=6'] Exploring Operation: 34+6=40, Resulting Numbers: [13, 40] Generated Node #0,0,0: 39:[13, 40] Operation: 34+6=40 Exploring Operation: 34-6=28, Resulting Numbers: [13, 28] Generated Node #0,0,1: 39:[13, 28] Operation: 34-6=28 Exploring Operation: 13-6=7, Resulting Numbers: [34, 7] Generated Node #0,0,2: 39:[34, 7] Operation: 13-6=7 Exploring Operation: 34+13=47, Resulting Numbers: [6, 47] Generated Node #0,0,3: 39:[6, 47] Operation: 34+13=47 Exploring Operation: 34-13=21, Resulting Numbers: [6, 21] Generated Node #0,0,4: 39:[6, 21] Operation: 34-13=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[13, 40], Operations: ['32-26=6', '34+6=40'] Exploring Operation: 13+40=53, Resulting Numbers: [53] 53,39 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 13*40=520, Resulting Numbers: [520] 520,39 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:[34, 7], Operations: ['32-26=6', '13-6=7'] Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,39 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 39:[13, 28], Operations: ['32-26=6', '34-6=28'] Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 13+28=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 13*28=364, Resulting Numbers: [364] 364,39 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 #0,0,3 Current State: 39:[6, 47], Operations: ['32-26=6', '34+13=47'] Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 6*47=282, Resulting Numbers: [282] 282,39 unequal: No Solution Exploring Operation: 6+47=53, Resulting Numbers: [53] 53,39 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 #0,0,4 Current State: 39:[6, 21], Operations: ['32-26=6', '34-13=21'] Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,39 unequal: No Solution Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,39 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 #0,2 Current State: 39:[32, 13, 8], Operations: ['34-26=8'] Exploring Operation: 32+8=40, Resulting Numbers: [13, 40] Generated Node #0,2,0: 39:[13, 40] Operation: 32+8=40 Exploring Operation: 32+13=45, Resulting Numbers: [8, 45] Generated Node #0,2,1: 39:[8, 45] Operation: 32+13=45 Exploring Operation: 32-13=19, Resulting Numbers: [8, 19] Generated Node #0,2,2: 39:[8, 19] Operation: 32-13=19 Exploring Operation: 32/8=4, Resulting Numbers: [13, 4] Generated Node #0,2,3: 39:[13, 4] Operation: 32/8=4 Exploring Operation: 13-8=5, Resulting Numbers: [32, 5] Generated Node #0,2,4: 39:[32, 5] Operation: 13-8=5 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 39:[13, 40], Operations: ['34-26=8', '32+8=40'] Exploring Operation: 13*40=520, Resulting Numbers: [520] 520,39 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 13+40=53, Resulting Numbers: [53] 53,39 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 #0,2,3 Current State: 39:[13, 4], Operations: ['34-26=8', '32/8=4'] Exploring Operation: 13+4=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 13*4=52, Resulting Numbers: [52] 52,39 unequal: No Solution Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,39 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 #0,2,4 Current State: 39:[32, 5], Operations: ['34-26=8', '13-8=5'] Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 32*5=160, Resulting Numbers: [160] 160,39 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,39 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 #0,2,1 Current State: 39:[8, 45], Operations: ['34-26=8', '32+13=45'] Exploring Operation: 45-8=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 8*45=360, Resulting Numbers: [360] 360,39 unequal: No Solution Exploring Operation: 8+45=53, Resulting Numbers: [53] 53,39 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 #0,2,2 Current State: 39:[8, 19], Operations: ['34-26=8', '32-13=19'] Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 8*19=152, Resulting Numbers: [152] 152,39 unequal: No Solution Exploring Operation: 8+19=27, Resulting Numbers: [27] 27,39 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 #0,3 Current State: 39:[34, 32, 13], Operations: ['26-13=13'] Exploring Operation: 34+13=47, Resulting Numbers: [32, 47] Generated Node #0,3,0: 39:[32, 47] Operation: 34+13=47 Exploring Operation: 32+13=45, Resulting Numbers: [34, 45] Generated Node #0,3,1: 39:[34, 45] Operation: 32+13=45 Exploring Operation: 34-32=2, Resulting Numbers: [13, 2] Generated Node #0,3,2: 39:[13, 2] Operation: 34-32=2 Exploring Operation: 34-13=21, Resulting Numbers: [32, 21] Generated Node #0,3,3: 39:[32, 21] Operation: 34-13=21 Exploring Operation: 32-13=19, Resulting Numbers: [34, 19] Generated Node #0,3,4: 39:[34, 19] Operation: 32-13=19 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 39:[13, 2], Operations: ['26-13=13', '34-32=2'] Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 13+2=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 13*2=26, Resulting Numbers: [26] 26,39 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 #0,3,1 Current State: 39:[34, 45], Operations: ['26-13=13', '32+13=45'] Exploring Operation: 45-34=11, Resulting Numbers: [11] 11,39 unequal: No Solution Exploring Operation: 34*45=1530, Resulting Numbers: [1530] 1530,39 unequal: No Solution Exploring Operation: 34+45=79, Resulting Numbers: [79] 79,39 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 #0,3,4 Current State: 39:[34, 19], Operations: ['26-13=13', '32-13=19'] Exploring Operation: 34*19=646, Resulting Numbers: [646] 646,39 unequal: No Solution Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 34+19=53, Resulting Numbers: [53] 53,39 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 #0,3,0 Current State: 39:[32, 47], Operations: ['26-13=13', '34+13=47'] Exploring Operation: 47-32=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 32+47=79, Resulting Numbers: [79] 79,39 unequal: No Solution Exploring Operation: 32*47=1504, Resulting Numbers: [1504] 1504,39 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 #0,3,3 Current State: 39:[32, 21], Operations: ['26-13=13', '34-13=21'] Exploring Operation: 32+21=53, Resulting Numbers: [53] 53,39 unequal: No Solution Exploring Operation: 32*21=672, Resulting Numbers: [672] 672,39 unequal: No Solution Exploring Operation: 32-21=11, Resulting Numbers: [11] 11,39 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 #0,4 Current State: 39:[34, 32, 39], Operations: ['13+26=39'] Exploring Operation: 39-32=7, Resulting Numbers: [34, 7] Generated Node #0,4,0: 39:[34, 7] Operation: 39-32=7 Exploring Operation: 34-32=2, Resulting Numbers: [39, 2] Generated Node #0,4,1: 39:[39, 2] Operation: 34-32=2 Exploring Operation: 32+39=71, Resulting Numbers: [34, 71] Generated Node #0,4,2: 39:[34, 71] Operation: 32+39=71 Exploring Operation: 34+32=66, Resulting Numbers: [39, 66] Generated Node #0,4,3: 39:[39, 66] Operation: 34+32=66 Exploring Operation: 39-34=5, Resulting Numbers: [32, 5] Generated Node #0,4,4: 39:[32, 5] Operation: 39-34=5 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 39:[39, 2], Operations: ['13+26=39', '34-32=2'] Exploring Operation: 39*2=78, Resulting Numbers: [78] 78,39 unequal: No Solution Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 39+2=41, Resulting Numbers: [41] 41,39 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 #0,4,0 Current State: 39:[34, 7], Operations: ['13+26=39', '39-32=7'] Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,39 unequal: No Solution Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,39 unequal: No Solution Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,39 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 #0,4,4 Current State: 39:[32, 5], Operations: ['13+26=39', '39-34=5'] Exploring Operation: 32*5=160, Resulting Numbers: [160] 160,39 unequal: No Solution Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,39 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 #0,4,3 Current State: 39:[39, 66], Operations: ['13+26=39', '34+32=66'] Exploring Operation: 66-39=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 39*66=2574, Resulting Numbers: [2574] 2574,39 unequal: No Solution Exploring Operation: 39+66=105, Resulting Numbers: [105] 105,39 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 #0,4,2 Current State: 39:[34, 71], Operations: ['13+26=39', '32+39=71'] Exploring Operation: 34+71=105, Resulting Numbers: [105] 105,39 unequal: No Solution Exploring Operation: 71-34=37, Resulting Numbers: [37] 37,39 unequal: No Solution Exploring Operation: 34*71=2414, Resulting Numbers: [2414] 2414,39 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:[34, 32, 2], Operations: ['26/13=2'] Exploring Operation: 34-32=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 39:[2, 2] Operation: 34-32=2 Exploring Operation: 32+2=34, Resulting Numbers: [34, 34] Generated Node #0,1,1: 39:[34, 34] Operation: 32+2=34 Exploring Operation: 32/2=16, Resulting Numbers: [34, 16] Generated Node #0,1,2: 39:[34, 16] Operation: 32/2=16 Exploring Operation: 34+2=36, Resulting Numbers: [32, 36] Generated Node #0,1,3: 39:[32, 36] Operation: 34+2=36 Exploring Operation: 34/2=17, Resulting Numbers: [32, 17] Generated Node #0,1,4: 39:[32, 17] Operation: 34/2=17 Moving to Node #0,1,0 Current State: 39:[2, 2], Operations: ['26/13=2', '34-32=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,39 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[34, 16], Operations: ['26/13=2', '32/2=16'] Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,39 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,39 unequal: No Solution Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[34, 34], Operations: ['26/13=2', '32+2=34'] Exploring Operation: 34/34=1, Resulting Numbers: [1] 1,39 unequal: No Solution Exploring Operation: 34-34=0, Resulting Numbers: [0] 0,39 unequal: No Solution Exploring Operation: 34+34=68, Resulting Numbers: [68] 68,39 unequal: No Solution Exploring Operation: 34*34=1156, Resulting Numbers: [1156] 1156,39 unequal: No Solution Moving to Node #0,1,3 Current State: 39:[32, 36], Operations: ['26/13=2', '34+2=36'] Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,39 unequal: No Solution Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,39 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,39 unequal: No Solution Moving to Node #0,1,4 Current State: 39:[32, 17], Operations: ['26/13=2', '34/2=17'] Exploring Operation: 32*17=544, Resulting Numbers: [544] 544,39 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,39 unequal: No Solution Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 7, 37, 19, 16 ]
41
[ "7+37=44", "19-16=3", "44-3=41" ]
Current State: 41:[7, 37, 19, 16], Operations: [] Exploring Operation: 7+37=44, Resulting Numbers: [19, 16, 44] Generated Node #2: [19, 16, 44] from Operation: 7+37=44 Current State: 41:[19, 16, 44], Operations: ['7+37=44'] Exploring Operation: 19-16=3, Resulting Numbers: [44, 3] Generated Node #3: [44, 3] from Operation: 19-16=3 Current State: 41:[44, 3], Operations: ['7+37=44', '19-16=3'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[7, 37, 19, 16], Operations: [] Exploring Operation: 7+19=26, Resulting Numbers: [37, 16, 26] Generated Node #0,0: 41:[37, 16, 26] Operation: 7+19=26 Moving to Node #0,0 Current State: 41:[37, 16, 26], Operations: ['7+19=26'] Exploring Operation: 16+26=42, Resulting Numbers: [37, 42] Generated Node #0,0,0: 41:[37, 42] Operation: 16+26=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[37, 42], Operations: ['7+19=26', '16+26=42'] Exploring Operation: 42-37=5, Resulting Numbers: [5] 5,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 38, 63, 54, 59 ]
98
[ "63-59=4", "38*4=152", "152-54=98" ]
Current State: 98:[38, 63, 54, 59], Operations: [] Exploring Operation: 63-59=4, Resulting Numbers: [38, 54, 4] Generated Node #2: [38, 54, 4] from Operation: 63-59=4 Current State: 98:[38, 54, 4], Operations: ['63-59=4'] Exploring Operation: 38*4=152, Resulting Numbers: [54, 152] Generated Node #3: [54, 152] from Operation: 38*4=152 Current State: 98:[54, 152], Operations: ['63-59=4', '38*4=152'] Exploring Operation: 152-54=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[38, 63, 54, 59], Operations: [] Exploring Operation: 63-54=9, Resulting Numbers: [38, 59, 9] Generated Node #0,0: 98:[38, 59, 9] Operation: 63-54=9 Exploring Operation: 38+59=97, Resulting Numbers: [63, 54, 97] Generated Node #0,1: 98:[63, 54, 97] Operation: 38+59=97 Exploring Operation: 38+63=101, Resulting Numbers: [54, 59, 101] Generated Node #0,2: 98:[54, 59, 101] Operation: 38+63=101 Exploring Operation: 63-59=4, Resulting Numbers: [38, 54, 4] Generated Node #0,3: 98:[38, 54, 4] Operation: 63-59=4 Moving to Node #0,2 Current State: 98:[54, 59, 101], Operations: ['38+63=101'] Exploring Operation: 101-59=42, Resulting Numbers: [54, 42] Generated Node #0,2,0: 98:[54, 42] Operation: 101-59=42 Exploring Operation: 101-54=47, Resulting Numbers: [59, 47] Generated Node #0,2,1: 98:[59, 47] Operation: 101-54=47 Exploring Operation: 54+59=113, Resulting Numbers: [101, 113] Generated Node #0,2,2: 98:[101, 113] Operation: 54+59=113 Exploring Operation: 59-54=5, Resulting Numbers: [101, 5] Generated Node #0,2,3: 98:[101, 5] Operation: 59-54=5 Moving to Node #0,3 Current State: 98:[38, 54, 4], Operations: ['63-59=4'] Exploring Operation: 38+4=42, Resulting Numbers: [54, 42] Generated Node #0,3,0: 98:[54, 42] Operation: 38+4=42 Exploring Operation: 54-4=50, Resulting Numbers: [38, 50] Generated Node #0,3,1: 98:[38, 50] Operation: 54-4=50 Exploring Operation: 38+54=92, Resulting Numbers: [4, 92] Generated Node #0,3,2: 98:[4, 92] Operation: 38+54=92 Exploring Operation: 54-38=16, Resulting Numbers: [4, 16] Generated Node #0,3,3: 98:[4, 16] Operation: 54-38=16 Moving to Node #0,1 Current State: 98:[63, 54, 97], Operations: ['38+59=97'] Exploring Operation: 63-54=9, Resulting Numbers: [97, 9] Generated Node #0,1,0: 98:[97, 9] Operation: 63-54=9 Exploring Operation: 63+54=117, Resulting Numbers: [97, 117] Generated Node #0,1,1: 98:[97, 117] Operation: 63+54=117 Exploring Operation: 97-54=43, Resulting Numbers: [63, 43] Generated Node #0,1,2: 98:[63, 43] Operation: 97-54=43 Exploring Operation: 97-63=34, Resulting Numbers: [54, 34] Generated Node #0,1,3: 98:[54, 34] Operation: 97-63=34 Moving to Node #0,0 Current State: 98:[38, 59, 9], Operations: ['63-54=9'] Exploring Operation: 59-9=50, Resulting Numbers: [38, 50] Generated Node #0,0,0: 98:[38, 50] Operation: 59-9=50 Exploring Operation: 59-38=21, Resulting Numbers: [9, 21] Generated Node #0,0,1: 98:[9, 21] Operation: 59-38=21 Exploring Operation: 38+9=47, Resulting Numbers: [59, 47] Generated Node #0,0,2: 98:[59, 47] Operation: 38+9=47 Exploring Operation: 38+59=97, Resulting Numbers: [9, 97] Generated Node #0,0,3: 98:[9, 97] Operation: 38+59=97 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 98:[9, 97], Operations: ['63-54=9', '38+59=97'] Exploring Operation: 9*97=873, Resulting Numbers: [873] 873,98 unequal: No Solution Exploring Operation: 97-9=88, Resulting Numbers: [88] 88,98 unequal: No Solution Exploring Operation: 9+97=106, Resulting Numbers: [106] 106,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[9, 21], Operations: ['63-54=9', '59-38=21'] Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,98 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[38, 50], Operations: ['63-54=9', '59-9=50'] Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 38+50=88, Resulting Numbers: [88] 88,98 unequal: No Solution Exploring Operation: 38*50=1900, Resulting Numbers: [1900] 1900,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 98:[59, 47], Operations: ['63-54=9', '38+9=47'] Exploring Operation: 59-47=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 59*47=2773, Resulting Numbers: [2773] 2773,98 unequal: No Solution Exploring Operation: 59+47=106, Resulting Numbers: [106] 106,98 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: 98:[97, 9], Operations: ['38+59=97', '63-54=9'] Exploring Operation: 97-9=88, Resulting Numbers: [88] 88,98 unequal: No Solution Exploring Operation: 97*9=873, Resulting Numbers: [873] 873,98 unequal: No Solution Exploring Operation: 97+9=106, Resulting Numbers: [106] 106,98 unequal: No Solution Moving to Node #0,3,3 Current State: 98:[4, 16], Operations: ['63-59=4', '54-38=16'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,98 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,98 unequal: No Solution Moving to Node #0,2,3 Current State: 98:[101, 5], Operations: ['38+63=101', '59-54=5'] Exploring Operation: 101+5=106, Resulting Numbers: [106] 106,98 unequal: No Solution Exploring Operation: 101-5=96, Resulting Numbers: [96] 96,98 unequal: No Solution Exploring Operation: 101*5=505, Resulting Numbers: [505] 505,98 unequal: No Solution Moving to Node #0,3,2 Current State: 98:[4, 92], Operations: ['63-59=4', '38+54=92'] Exploring Operation: 4+92=96, Resulting Numbers: [96] 96,98 unequal: No Solution Exploring Operation: 4*92=368, Resulting Numbers: [368] 368,98 unequal: No Solution Exploring Operation: 92/4=23, Resulting Numbers: [23] 23,98 unequal: No Solution Exploring Operation: 92-4=88, Resulting Numbers: [88] 88,98 unequal: No Solution Moving to Node #0,3,0 Current State: 98:[54, 42], Operations: ['63-59=4', '38+4=42'] Exploring Operation: 54*42=2268, Resulting Numbers: [2268] 2268,98 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 54+42=96, Resulting Numbers: [96] 96,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[59, 47], Operations: ['38+63=101', '101-54=47'] Exploring Operation: 59*47=2773, Resulting Numbers: [2773] 2773,98 unequal: No Solution Exploring Operation: 59-47=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 59+47=106, Resulting Numbers: [106] 106,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[54, 42], Operations: ['38+63=101', '101-59=42'] Exploring Operation: 54*42=2268, Resulting Numbers: [2268] 2268,98 unequal: No Solution Exploring Operation: 54+42=96, Resulting Numbers: [96] 96,98 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,98 unequal: No Solution Moving to Node #0,3,1 Current State: 98:[38, 50], Operations: ['63-59=4', '54-4=50'] Exploring Operation: 50-38=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 38*50=1900, Resulting Numbers: [1900] 1900,98 unequal: No Solution Exploring Operation: 38+50=88, Resulting Numbers: [88] 88,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[101, 113], Operations: ['38+63=101', '54+59=113'] Exploring Operation: 101+113=214, Resulting Numbers: [214] 214,98 unequal: No Solution Exploring Operation: 113-101=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 101*113=11413, Resulting Numbers: [11413] 11413,98 unequal: No Solution Moving to Node #0,1,3 Current State: 98:[54, 34], Operations: ['38+59=97', '97-63=34'] Exploring Operation: 54*34=1836, Resulting Numbers: [1836] 1836,98 unequal: No Solution Exploring Operation: 54+34=88, Resulting Numbers: [88] 88,98 unequal: No Solution Exploring Operation: 54-34=20, Resulting Numbers: [20] 20,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[97, 117], Operations: ['38+59=97', '63+54=117'] Exploring Operation: 117-97=20, Resulting Numbers: [20] 20,98 unequal: No Solution Exploring Operation: 97+117=214, Resulting Numbers: [214] 214,98 unequal: No Solution Exploring Operation: 97*117=11349, Resulting Numbers: [11349] 11349,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[63, 43], Operations: ['38+59=97', '97-54=43'] Exploring Operation: 63+43=106, Resulting Numbers: [106] 106,98 unequal: No Solution Exploring Operation: 63*43=2709, Resulting Numbers: [2709] 2709,98 unequal: No Solution Exploring Operation: 63-43=20, Resulting Numbers: [20] 20,98 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 13, 50, 66, 61 ]
77
[ "61-50=11", "13*11=143", "143-66=77" ]
Current State: 77:[13, 50, 66, 61], Operations: [] Exploring Operation: 61-50=11, Resulting Numbers: [13, 66, 11] Generated Node #2: [13, 66, 11] from Operation: 61-50=11 Current State: 77:[13, 66, 11], Operations: ['61-50=11'] Exploring Operation: 13*11=143, Resulting Numbers: [66, 143] Generated Node #3: [66, 143] from Operation: 13*11=143 Current State: 77:[66, 143], Operations: ['61-50=11', '13*11=143'] Exploring Operation: 143-66=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[13, 50, 66, 61], Operations: [] Exploring Operation: 61-50=11, Resulting Numbers: [13, 66, 11] Generated Node #0,0: 77:[13, 66, 11] Operation: 61-50=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[13, 66, 11], Operations: ['61-50=11'] Exploring Operation: 13+66=79, Resulting Numbers: [11, 79] Generated Node #0,0,0: 77:[11, 79] Operation: 13+66=79 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[11, 79], Operations: ['61-50=11', '13+66=79'] Exploring Operation: 79-11=68, Resulting Numbers: [68] 68,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 17, 7, 89, 70 ]
14
[ "89-17=72", "72-70=2", "7*2=14" ]
Current State: 14:[17, 7, 89, 70], Operations: [] Exploring Operation: 89-17=72, Resulting Numbers: [7, 70, 72] Generated Node #2: [7, 70, 72] from Operation: 89-17=72 Current State: 14:[7, 70, 72], Operations: ['89-17=72'] Exploring Operation: 72-70=2, Resulting Numbers: [7, 2] Generated Node #3: [7, 2] from Operation: 72-70=2 Current State: 14:[7, 2], Operations: ['89-17=72', '72-70=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[17, 7, 89, 70], Operations: [] Exploring Operation: 89-17=72, Resulting Numbers: [7, 70, 72] Generated Node #0,0: 14:[7, 70, 72] Operation: 89-17=72 Exploring Operation: 70/7=10, Resulting Numbers: [17, 89, 10] Generated Node #0,1: 14:[17, 89, 10] Operation: 70/7=10 Exploring Operation: 89-70=19, Resulting Numbers: [17, 7, 19] Generated Node #0,2: 14:[17, 7, 19] Operation: 89-70=19 Moving to Node #0,2 Current State: 14:[17, 7, 19], Operations: ['89-70=19'] Exploring Operation: 19-17=2, Resulting Numbers: [7, 2] Generated Node #0,2,0: 14:[7, 2] Operation: 19-17=2 Exploring Operation: 19-7=12, Resulting Numbers: [17, 12] Generated Node #0,2,1: 14:[17, 12] Operation: 19-7=12 Exploring Operation: 17-7=10, Resulting Numbers: [19, 10] Generated Node #0,2,2: 14:[19, 10] Operation: 17-7=10 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 14:[7, 2], Operations: ['89-70=19', '19-17=2'] Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,14 unequal: No Solution Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[17, 7, 89, 70], Operations: [] Exploring Operation: 89-70=19, Resulting Numbers: [17, 7, 19] Generated Node #0,2: 14:[17, 7, 19] Operation: 89-70=19 Moving to Node #0,2 Current State: 14:[17, 7, 19], Operations: ['89-70=19'] Exploring Operation: 19-17=2, Resulting Numbers: [7, 2] Generated Node #0,2,0: 14:[7, 2] Operation: 19-17=2 Moving to Node #0,2,0 Current State: 14:[7, 2], Operations: ['89-70=19', '19-17=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 33, 6, 17, 97 ]
87
[ "33-6=27", "17+97=114", "114-27=87" ]
Current State: 87:[33, 6, 17, 97], Operations: [] Exploring Operation: 33-6=27, Resulting Numbers: [17, 97, 27] Generated Node #2: [17, 97, 27] from Operation: 33-6=27 Current State: 87:[17, 97, 27], Operations: ['33-6=27'] Exploring Operation: 17+97=114, Resulting Numbers: [27, 114] Generated Node #3: [27, 114] from Operation: 17+97=114 Current State: 87:[27, 114], Operations: ['33-6=27', '17+97=114'] Exploring Operation: 114-27=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[33, 6, 17, 97], Operations: [] Exploring Operation: 97-17=80, Resulting Numbers: [33, 6, 80] Generated Node #0,0: 87:[33, 6, 80] Operation: 97-17=80 Exploring Operation: 97-6=91, Resulting Numbers: [33, 17, 91] Generated Node #0,1: 87:[33, 17, 91] Operation: 97-6=91 Exploring Operation: 6+17=23, Resulting Numbers: [33, 97, 23] Generated Node #0,2: 87:[33, 97, 23] Operation: 6+17=23 Moving to Node #0,0 Current State: 87:[33, 6, 80], Operations: ['97-17=80'] Exploring Operation: 33-6=27, Resulting Numbers: [80, 27] Generated Node #0,0,0: 87:[80, 27] Operation: 33-6=27 Exploring Operation: 6+80=86, Resulting Numbers: [33, 86] Generated Node #0,0,1: 87:[33, 86] Operation: 6+80=86 Exploring Operation: 33+6=39, Resulting Numbers: [80, 39] Generated Node #0,0,2: 87:[80, 39] Operation: 33+6=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[33, 86], Operations: ['97-17=80', '6+80=86'] Exploring Operation: 33*86=2838, Resulting Numbers: [2838] 2838,87 unequal: No Solution Exploring Operation: 33+86=119, Resulting Numbers: [119] 119,87 unequal: No Solution Exploring Operation: 86-33=53, Resulting Numbers: [53] 53,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 87:[80, 27], Operations: ['97-17=80', '33-6=27'] Exploring Operation: 80*27=2160, Resulting Numbers: [2160] 2160,87 unequal: No Solution Exploring Operation: 80+27=107, Resulting Numbers: [107] 107,87 unequal: No Solution Exploring Operation: 80-27=53, Resulting Numbers: [53] 53,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 87:[80, 39], Operations: ['97-17=80', '33+6=39'] Exploring Operation: 80-39=41, Resulting Numbers: [41] 41,87 unequal: No Solution Exploring Operation: 80+39=119, Resulting Numbers: [119] 119,87 unequal: No Solution Exploring Operation: 80*39=3120, Resulting Numbers: [3120] 3120,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 87:[33, 17, 91], Operations: ['97-6=91'] Exploring Operation: 33-17=16, Resulting Numbers: [91, 16] Generated Node #0,1,0: 87:[91, 16] Operation: 33-17=16 Exploring Operation: 91-17=74, Resulting Numbers: [33, 74] Generated Node #0,1,1: 87:[33, 74] Operation: 91-17=74 Exploring Operation: 33+17=50, Resulting Numbers: [91, 50] Generated Node #0,1,2: 87:[91, 50] Operation: 33+17=50 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 87:[91, 16], Operations: ['97-6=91', '33-17=16'] Exploring Operation: 91+16=107, Resulting Numbers: [107] 107,87 unequal: No Solution Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,87 unequal: No Solution Exploring Operation: 91*16=1456, Resulting Numbers: [1456] 1456,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 87:[33, 74], Operations: ['97-6=91', '91-17=74'] Exploring Operation: 33*74=2442, Resulting Numbers: [2442] 2442,87 unequal: No Solution Exploring Operation: 33+74=107, Resulting Numbers: [107] 107,87 unequal: No Solution Exploring Operation: 74-33=41, Resulting Numbers: [41] 41,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 87:[91, 50], Operations: ['97-6=91', '33+17=50'] Exploring Operation: 91*50=4550, Resulting Numbers: [4550] 4550,87 unequal: No Solution Exploring Operation: 91+50=141, Resulting Numbers: [141] 141,87 unequal: No Solution Exploring Operation: 91-50=41, Resulting Numbers: [41] 41,87 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: 87:[33, 97, 23], Operations: ['6+17=23'] Exploring Operation: 33-23=10, Resulting Numbers: [97, 10] Generated Node #0,2,0: 87:[97, 10] Operation: 33-23=10 Exploring Operation: 97-33=64, Resulting Numbers: [23, 64] Generated Node #0,2,1: 87:[23, 64] Operation: 97-33=64 Exploring Operation: 97-23=74, Resulting Numbers: [33, 74] Generated Node #0,2,2: 87:[33, 74] Operation: 97-23=74 Moving to Node #0,2,0 Current State: 87:[97, 10], Operations: ['6+17=23', '33-23=10'] Exploring Operation: 97*10=970, Resulting Numbers: [970] 970,87 unequal: No Solution Exploring Operation: 97+10=107, Resulting Numbers: [107] 107,87 unequal: No Solution Exploring Operation: 97-10=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[33, 6, 17, 97], Operations: [] Exploring Operation: 6+17=23, Resulting Numbers: [33, 97, 23] Generated Node #0,2: 87:[33, 97, 23] Operation: 6+17=23 Moving to Node #0,2 Current State: 87:[33, 97, 23], Operations: ['6+17=23'] Exploring Operation: 33-23=10, Resulting Numbers: [97, 10] Generated Node #0,2,0: 87:[97, 10] Operation: 33-23=10 Moving to Node #0,2,0 Current State: 87:[97, 10], Operations: ['6+17=23', '33-23=10'] Exploring Operation: 97-10=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
0.967882
hs_3
mult_heuristic
[ 43, 76, 17, 11 ]
18
[ "43+76=119", "119/17=7", "11+7=18" ]
Current State: 18:[43, 76, 17, 11], Operations: [] Exploring Operation: 43+76=119, Resulting Numbers: [17, 11, 119] Generated Node #2: [17, 11, 119] from Operation: 43+76=119 Current State: 18:[17, 11, 119], Operations: ['43+76=119'] Exploring Operation: 119/17=7, Resulting Numbers: [11, 7] Generated Node #3: [11, 7] from Operation: 119/17=7 Current State: 18:[11, 7], Operations: ['43+76=119', '119/17=7'] Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[43, 76, 17, 11], Operations: [] Exploring Operation: 76-17=59, Resulting Numbers: [43, 11, 59] Generated Node #0,0: 18:[43, 11, 59] Operation: 76-17=59 Exploring Operation: 76-43=33, Resulting Numbers: [17, 11, 33] Generated Node #0,1: 18:[17, 11, 33] Operation: 76-43=33 Exploring Operation: 43-17=26, Resulting Numbers: [76, 11, 26] Generated Node #0,2: 18:[76, 11, 26] Operation: 43-17=26 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[17, 11, 33], Operations: ['76-43=33'] Exploring Operation: 33/11=3, Resulting Numbers: [17, 3] Generated Node #0,1,0: 18:[17, 3] Operation: 33/11=3 Exploring Operation: 33-17=16, Resulting Numbers: [11, 16] Generated Node #0,1,1: 18:[11, 16] Operation: 33-17=16 Exploring Operation: 33-11=22, Resulting Numbers: [17, 22] Generated Node #0,1,2: 18:[17, 22] Operation: 33-11=22 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 18:[17, 3], Operations: ['76-43=33', '33/11=3'] Exploring Operation: 17*3=51, Resulting Numbers: [51] 51,18 unequal: No Solution Exploring Operation: 17+3=20, Resulting Numbers: [20] 20,18 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 18:[11, 16], Operations: ['76-43=33', '33-17=16'] Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,18 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 18:[17, 22], Operations: ['76-43=33', '33-11=22'] Exploring Operation: 22-17=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 17*22=374, Resulting Numbers: [374] 374,18 unequal: No Solution Exploring Operation: 17+22=39, Resulting Numbers: [39] 39,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[43, 11, 59], Operations: ['76-17=59'] Exploring Operation: 59-11=48, Resulting Numbers: [43, 48] Generated Node #0,0,0: 18:[43, 48] Operation: 59-11=48 Exploring Operation: 59-43=16, Resulting Numbers: [11, 16] Generated Node #0,0,1: 18:[11, 16] Operation: 59-43=16 Exploring Operation: 43-11=32, Resulting Numbers: [59, 32] Generated Node #0,0,2: 18:[59, 32] Operation: 43-11=32 Moving to Node #0,0,1 Current State: 18:[11, 16], Operations: ['76-17=59', '59-43=16'] Exploring Operation: 11+16=27, Resulting Numbers: [27] 27,18 unequal: No Solution Exploring Operation: 11*16=176, Resulting Numbers: [176] 176,18 unequal: No Solution Exploring Operation: 16-11=5, Resulting Numbers: [5] 5,18 unequal: No Solution Moving to Node #0,0,0 Current State: 18:[43, 48], Operations: ['76-17=59', '59-11=48'] Exploring Operation: 48-43=5, Resulting Numbers: [5] 5,18 unequal: No Solution Exploring Operation: 43*48=2064, Resulting Numbers: [2064] 2064,18 unequal: No Solution Exploring Operation: 43+48=91, Resulting Numbers: [91] 91,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[59, 32], Operations: ['76-17=59', '43-11=32'] Exploring Operation: 59+32=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 59*32=1888, Resulting Numbers: [1888] 1888,18 unequal: No Solution Exploring Operation: 59-32=27, Resulting Numbers: [27] 27,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[76, 11, 26], Operations: ['43-17=26'] Exploring Operation: 76-11=65, Resulting Numbers: [26, 65] Generated Node #0,2,0: 18:[26, 65] Operation: 76-11=65 Exploring Operation: 76-26=50, Resulting Numbers: [11, 50] Generated Node #0,2,1: 18:[11, 50] Operation: 76-26=50 Exploring Operation: 26-11=15, Resulting Numbers: [76, 15] Generated Node #0,2,2: 18:[76, 15] Operation: 26-11=15 Moving to Node #0,2,1 Current State: 18:[11, 50], Operations: ['43-17=26', '76-26=50'] Exploring Operation: 11+50=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 50-11=39, Resulting Numbers: [39] 39,18 unequal: No Solution Exploring Operation: 11*50=550, Resulting Numbers: [550] 550,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[26, 65], Operations: ['43-17=26', '76-11=65'] Exploring Operation: 26+65=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 26*65=1690, Resulting Numbers: [1690] 1690,18 unequal: No Solution Exploring Operation: 65-26=39, Resulting Numbers: [39] 39,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[76, 15], Operations: ['43-17=26', '26-11=15'] Exploring Operation: 76-15=61, Resulting Numbers: [61] 61,18 unequal: No Solution Exploring Operation: 76+15=91, Resulting Numbers: [91] 91,18 unequal: No Solution Exploring Operation: 76*15=1140, Resulting Numbers: [1140] 1140,18 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
[ 77, 7, 97, 4 ]
23
[ "77-7=70", "97-4=93", "93-70=23" ]
Current State: 23:[77, 7, 97, 4], Operations: [] Exploring Operation: 77-7=70, Resulting Numbers: [97, 4, 70] Generated Node #2: [97, 4, 70] from Operation: 77-7=70 Current State: 23:[97, 4, 70], Operations: ['77-7=70'] Exploring Operation: 97-4=93, Resulting Numbers: [70, 93] Generated Node #3: [70, 93] from Operation: 97-4=93 Current State: 23:[70, 93], Operations: ['77-7=70', '97-4=93'] Exploring Operation: 93-70=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[77, 7, 97, 4], Operations: [] Exploring Operation: 7*4=28, Resulting Numbers: [77, 97, 28] Generated Node #0,0: 23:[77, 97, 28] Operation: 7*4=28 Exploring Operation: 77/7=11, Resulting Numbers: [97, 4, 11] Generated Node #0,1: 23:[97, 4, 11] Operation: 77/7=11 Exploring Operation: 97-77=20, Resulting Numbers: [7, 4, 20] Generated Node #0,2: 23:[7, 4, 20] Operation: 97-77=20 Moving to Node #0,2 Current State: 23:[7, 4, 20], Operations: ['97-77=20'] Exploring Operation: 7*4=28, Resulting Numbers: [20, 28] Generated Node #0,2,0: 23:[20, 28] Operation: 7*4=28 Exploring Operation: 4+20=24, Resulting Numbers: [7, 24] Generated Node #0,2,1: 23:[7, 24] Operation: 4+20=24 Exploring Operation: 7+4=11, Resulting Numbers: [20, 11] Generated Node #0,2,2: 23:[20, 11] Operation: 7+4=11 Moving to Node #0,1 Current State: 23:[97, 4, 11], Operations: ['77/7=11'] Exploring Operation: 4+11=15, Resulting Numbers: [97, 15] Generated Node #0,1,0: 23:[97, 15] Operation: 4+11=15 Exploring Operation: 97-11=86, Resulting Numbers: [4, 86] Generated Node #0,1,1: 23:[4, 86] Operation: 97-11=86 Exploring Operation: 97-4=93, Resulting Numbers: [11, 93] Generated Node #0,1,2: 23:[11, 93] Operation: 97-4=93 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[97, 15], Operations: ['77/7=11', '4+11=15'] Exploring Operation: 97-15=82, Resulting Numbers: [82] 82,23 unequal: No Solution Exploring Operation: 97*15=1455, Resulting Numbers: [1455] 1455,23 unequal: No Solution Exploring Operation: 97+15=112, Resulting Numbers: [112] 112,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[4, 86], Operations: ['77/7=11', '97-11=86'] Exploring Operation: 4*86=344, Resulting Numbers: [344] 344,23 unequal: No Solution Exploring Operation: 86-4=82, Resulting Numbers: [82] 82,23 unequal: No Solution Exploring Operation: 4+86=90, Resulting Numbers: [90] 90,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[11, 93], Operations: ['77/7=11', '97-4=93'] Exploring Operation: 11*93=1023, Resulting Numbers: [1023] 1023,23 unequal: No Solution Exploring Operation: 11+93=104, Resulting Numbers: [104] 104,23 unequal: No Solution Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,23 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: 23:[77, 97, 28], Operations: ['7*4=28'] Exploring Operation: 97-28=69, Resulting Numbers: [77, 69] Generated Node #0,0,0: 23:[77, 69] Operation: 97-28=69 Exploring Operation: 77-28=49, Resulting Numbers: [97, 49] Generated Node #0,0,1: 23:[97, 49] Operation: 77-28=49 Exploring Operation: 97-77=20, Resulting Numbers: [28, 20] Generated Node #0,0,2: 23:[28, 20] Operation: 97-77=20 Moving to Node #0,2,0 Current State: 23:[20, 28], Operations: ['97-77=20', '7*4=28'] Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 20*28=560, Resulting Numbers: [560] 560,23 unequal: No Solution Exploring Operation: 20+28=48, Resulting Numbers: [48] 48,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[28, 20], Operations: ['7*4=28', '97-77=20'] Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 28*20=560, Resulting Numbers: [560] 560,23 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[20, 11], Operations: ['97-77=20', '7+4=11'] Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 20*11=220, Resulting Numbers: [220] 220,23 unequal: No Solution Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[7, 24], Operations: ['97-77=20', '4+20=24'] Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,23 unequal: No Solution Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,23 unequal: No Solution Moving to Node #0,0,1 Current State: 23:[97, 49], Operations: ['7*4=28', '77-28=49'] Exploring Operation: 97-49=48, Resulting Numbers: [48] 48,23 unequal: No Solution Exploring Operation: 97*49=4753, Resulting Numbers: [4753] 4753,23 unequal: No Solution Exploring Operation: 97+49=146, Resulting Numbers: [146] 146,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[77, 69], Operations: ['7*4=28', '97-28=69'] Exploring Operation: 77-69=8, Resulting Numbers: [8] 8,23 unequal: No Solution Exploring Operation: 77+69=146, Resulting Numbers: [146] 146,23 unequal: No Solution Exploring Operation: 77*69=5313, Resulting Numbers: [5313] 5313,23 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 37, 4, 82, 46 ]
65
[ "37+82=119", "4*46=184", "184-119=65" ]
Current State: 65:[37, 4, 82, 46], Operations: [] Exploring Operation: 37+82=119, Resulting Numbers: [4, 46, 119] Generated Node #2: [4, 46, 119] from Operation: 37+82=119 Current State: 65:[4, 46, 119], Operations: ['37+82=119'] Exploring Operation: 4*46=184, Resulting Numbers: [119, 184] Generated Node #3: [119, 184] from Operation: 4*46=184 Current State: 65:[119, 184], Operations: ['37+82=119', '4*46=184'] Exploring Operation: 184-119=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[37, 4, 82, 46], Operations: [] Exploring Operation: 37+46=83, Resulting Numbers: [4, 82, 83] Generated Node #0,0: 65:[4, 82, 83] Operation: 37+46=83 Exploring Operation: 46-37=9, Resulting Numbers: [4, 82, 9] Generated Node #0,1: 65:[4, 82, 9] Operation: 46-37=9 Exploring Operation: 82-37=45, Resulting Numbers: [4, 46, 45] Generated Node #0,2: 65:[4, 46, 45] Operation: 82-37=45 Exploring Operation: 82-46=36, Resulting Numbers: [37, 4, 36] Generated Node #0,3: 65:[37, 4, 36] Operation: 82-46=36 Moving to Node #0,1 Current State: 65:[4, 82, 9], Operations: ['46-37=9'] Exploring Operation: 82-9=73, Resulting Numbers: [4, 73] Generated Node #0,1,0: 65:[4, 73] Operation: 82-9=73 Exploring Operation: 4+9=13, Resulting Numbers: [82, 13] Generated Node #0,1,1: 65:[82, 13] Operation: 4+9=13 Exploring Operation: 82-4=78, Resulting Numbers: [9, 78] Generated Node #0,1,2: 65:[9, 78] Operation: 82-4=78 Exploring Operation: 9-4=5, Resulting Numbers: [82, 5] Generated Node #0,1,3: 65:[82, 5] Operation: 9-4=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 65:[4, 73], Operations: ['46-37=9', '82-9=73'] Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,65 unequal: No Solution Exploring Operation: 4*73=292, Resulting Numbers: [292] 292,65 unequal: No Solution Exploring Operation: 4+73=77, Resulting Numbers: [77] 77,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 65:[82, 13], Operations: ['46-37=9', '4+9=13'] Exploring Operation: 82-13=69, Resulting Numbers: [69] 69,65 unequal: No Solution Exploring Operation: 82*13=1066, Resulting Numbers: [1066] 1066,65 unequal: No Solution Exploring Operation: 82+13=95, Resulting Numbers: [95] 95,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 65:[9, 78], Operations: ['46-37=9', '82-4=78'] Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,65 unequal: No Solution Exploring Operation: 9+78=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 9*78=702, Resulting Numbers: [702] 702,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 65:[82, 5], Operations: ['46-37=9', '9-4=5'] Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,65 unequal: No Solution Exploring Operation: 82+5=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 82*5=410, Resulting Numbers: [410] 410,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 65:[4, 82, 83], Operations: ['37+46=83'] Exploring Operation: 83-82=1, Resulting Numbers: [4, 1] Generated Node #0,0,0: 65:[4, 1] Operation: 83-82=1 Exploring Operation: 4+82=86, Resulting Numbers: [83, 86] Generated Node #0,0,1: 65:[83, 86] Operation: 4+82=86 Exploring Operation: 82-4=78, Resulting Numbers: [83, 78] Generated Node #0,0,2: 65:[83, 78] Operation: 82-4=78 Exploring Operation: 83-4=79, Resulting Numbers: [82, 79] Generated Node #0,0,3: 65:[82, 79] Operation: 83-4=79 Moving to Node #0,2 Current State: 65:[4, 46, 45], Operations: ['82-37=45'] Exploring Operation: 46+45=91, Resulting Numbers: [4, 91] Generated Node #0,2,0: 65:[4, 91] Operation: 46+45=91 Exploring Operation: 4+45=49, Resulting Numbers: [46, 49] Generated Node #0,2,1: 65:[46, 49] Operation: 4+45=49 Exploring Operation: 4+46=50, Resulting Numbers: [45, 50] Generated Node #0,2,2: 65:[45, 50] Operation: 4+46=50 Exploring Operation: 46-45=1, Resulting Numbers: [4, 1] Generated Node #0,2,3: 65:[4, 1] Operation: 46-45=1 Moving to Node #0,3 Current State: 65:[37, 4, 36], Operations: ['82-46=36'] Exploring Operation: 37-4=33, Resulting Numbers: [36, 33] Generated Node #0,3,0: 65:[36, 33] Operation: 37-4=33 Exploring Operation: 37+36=73, Resulting Numbers: [4, 73] Generated Node #0,3,1: 65:[4, 73] Operation: 37+36=73 Exploring Operation: 36/4=9, Resulting Numbers: [37, 9] Generated Node #0,3,2: 65:[37, 9] Operation: 36/4=9 Exploring Operation: 37-36=1, Resulting Numbers: [4, 1] Generated Node #0,3,3: 65:[4, 1] Operation: 37-36=1 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 65:[4, 1], Operations: ['82-46=36', '37-36=1'] Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 65:[4, 73], Operations: ['82-46=36', '37+36=73'] Exploring Operation: 4*73=292, Resulting Numbers: [292] 292,65 unequal: No Solution Exploring Operation: 4+73=77, Resulting Numbers: [77] 77,65 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 65:[37, 9], Operations: ['82-46=36', '36/4=9'] Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,65 unequal: No Solution Exploring Operation: 37*9=333, Resulting Numbers: [333] 333,65 unequal: No Solution Exploring Operation: 37+9=46, Resulting Numbers: [46] 46,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 65:[36, 33], Operations: ['82-46=36', '37-4=33'] Exploring Operation: 36+33=69, Resulting Numbers: [69] 69,65 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 36*33=1188, Resulting Numbers: [1188] 1188,65 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: 65:[4, 1], Operations: ['37+46=83', '83-82=1'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,65 unequal: No Solution Moving to Node #0,2,3 Current State: 65:[4, 1], Operations: ['82-37=45', '46-45=1'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,65 unequal: No Solution Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,65 unequal: No Solution Moving to Node #0,2,0 Current State: 65:[4, 91], Operations: ['82-37=45', '46+45=91'] Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,65 unequal: No Solution Exploring Operation: 4+91=95, Resulting Numbers: [95] 95,65 unequal: No Solution Exploring Operation: 4*91=364, Resulting Numbers: [364] 364,65 unequal: No Solution Moving to Node #0,0,3 Current State: 65:[82, 79], Operations: ['37+46=83', '83-4=79'] Exploring Operation: 82*79=6478, Resulting Numbers: [6478] 6478,65 unequal: No Solution Exploring Operation: 82-79=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 82+79=161, Resulting Numbers: [161] 161,65 unequal: No Solution Moving to Node #0,0,2 Current State: 65:[83, 78], Operations: ['37+46=83', '82-4=78'] Exploring Operation: 83*78=6474, Resulting Numbers: [6474] 6474,65 unequal: No Solution Exploring Operation: 83+78=161, Resulting Numbers: [161] 161,65 unequal: No Solution Exploring Operation: 83-78=5, Resulting Numbers: [5] 5,65 unequal: No Solution Moving to Node #0,2,1 Current State: 65:[46, 49], Operations: ['82-37=45', '4+45=49'] Exploring Operation: 46+49=95, Resulting Numbers: [95] 95,65 unequal: No Solution Exploring Operation: 49-46=3, Resulting Numbers: [3] 3,65 unequal: No Solution Exploring Operation: 46*49=2254, Resulting Numbers: [2254] 2254,65 unequal: No Solution Moving to Node #0,2,2 Current State: 65:[45, 50], Operations: ['82-37=45', '4+46=50'] Exploring Operation: 45+50=95, Resulting Numbers: [95] 95,65 unequal: No Solution Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,65 unequal: No Solution Exploring Operation: 45*50=2250, Resulting Numbers: [2250] 2250,65 unequal: No Solution Moving to Node #0,0,1 Current State: 65:[83, 86], Operations: ['37+46=83', '4+82=86'] Exploring Operation: 83+86=169, Resulting Numbers: [169] 169,65 unequal: No Solution Exploring Operation: 83*86=7138, Resulting Numbers: [7138] 7138,65 unequal: No Solution Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,65 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 13, 78, 37, 85 ]
54
[ "78/13=6", "85-37=48", "6+48=54" ]
Current State: 54:[13, 78, 37, 85], Operations: [] Exploring Operation: 78/13=6, Resulting Numbers: [37, 85, 6] Generated Node #2: [37, 85, 6] from Operation: 78/13=6 Current State: 54:[37, 85, 6], Operations: ['78/13=6'] Exploring Operation: 85-37=48, Resulting Numbers: [6, 48] Generated Node #3: [6, 48] from Operation: 85-37=48 Current State: 54:[6, 48], Operations: ['78/13=6', '85-37=48'] Exploring Operation: 6+48=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[13, 78, 37, 85], Operations: [] Exploring Operation: 78-13=65, Resulting Numbers: [37, 85, 65] Generated Node #0,0: 54:[37, 85, 65] Operation: 78-13=65 Exploring Operation: 78/13=6, Resulting Numbers: [37, 85, 6] Generated Node #0,1: 54:[37, 85, 6] Operation: 78/13=6 Exploring Operation: 85-78=7, Resulting Numbers: [13, 37, 7] Generated Node #0,2: 54:[13, 37, 7] Operation: 85-78=7 Exploring Operation: 85-37=48, Resulting Numbers: [13, 78, 48] Generated Node #0,3: 54:[13, 78, 48] Operation: 85-37=48 Exploring Operation: 78-37=41, Resulting Numbers: [13, 85, 41] Generated Node #0,4: 54:[13, 85, 41] Operation: 78-37=41 Moving to Node #0,2 Current State: 54:[13, 37, 7], Operations: ['85-78=7'] Exploring Operation: 37-7=30, Resulting Numbers: [13, 30] Generated Node #0,2,0: 54:[13, 30] Operation: 37-7=30 Exploring Operation: 13+7=20, Resulting Numbers: [37, 20] Generated Node #0,2,1: 54:[37, 20] Operation: 13+7=20 Exploring Operation: 37-13=24, Resulting Numbers: [7, 24] Generated Node #0,2,2: 54:[7, 24] Operation: 37-13=24 Exploring Operation: 13-7=6, Resulting Numbers: [37, 6] Generated Node #0,2,3: 54:[37, 6] Operation: 13-7=6 Exploring Operation: 13+37=50, Resulting Numbers: [7, 50] Generated Node #0,2,4: 54:[7, 50] Operation: 13+37=50 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 54:[7, 24], Operations: ['85-78=7', '37-13=24'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,54 unequal: No Solution Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 54:[7, 50], Operations: ['85-78=7', '13+37=50'] Exploring Operation: 7*50=350, Resulting Numbers: [350] 350,54 unequal: No Solution Exploring Operation: 7+50=57, Resulting Numbers: [57] 57,54 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 54:[13, 30], Operations: ['85-78=7', '37-7=30'] Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 13+30=43, Resulting Numbers: [43] 43,54 unequal: No Solution Exploring Operation: 13*30=390, Resulting Numbers: [390] 390,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 54:[37, 6], Operations: ['85-78=7', '13-7=6'] Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,54 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,54 unequal: No Solution Exploring Operation: 37+6=43, Resulting Numbers: [43] 43,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[37, 20], Operations: ['85-78=7', '13+7=20'] Exploring Operation: 37-20=17, Resulting Numbers: [17] 17,54 unequal: No Solution Exploring Operation: 37*20=740, Resulting Numbers: [740] 740,54 unequal: No Solution Exploring Operation: 37+20=57, Resulting Numbers: [57] 57,54 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: 54:[13, 78, 48], Operations: ['85-37=48'] Exploring Operation: 48-13=35, Resulting Numbers: [78, 35] Generated Node #0,3,0: 54:[78, 35] Operation: 48-13=35 Exploring Operation: 78-13=65, Resulting Numbers: [48, 65] Generated Node #0,3,1: 54:[48, 65] Operation: 78-13=65 Exploring Operation: 78-48=30, Resulting Numbers: [13, 30] Generated Node #0,3,2: 54:[13, 30] Operation: 78-48=30 Exploring Operation: 78/13=6, Resulting Numbers: [48, 6] Generated Node #0,3,3: 54:[48, 6] Operation: 78/13=6 Exploring Operation: 13+48=61, Resulting Numbers: [78, 61] Generated Node #0,3,4: 54:[78, 61] Operation: 13+48=61 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 54:[48, 6], Operations: ['85-37=48', '78/13=6'] Exploring Operation: 48/6=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[13, 78, 37, 85], Operations: [] Exploring Operation: 85-37=48, Resulting Numbers: [13, 78, 48] Generated Node #0,3: 54:[13, 78, 48] Operation: 85-37=48 Moving to Node #0,3 Current State: 54:[13, 78, 48], Operations: ['85-37=48'] Exploring Operation: 78/13=6, Resulting Numbers: [48, 6] Generated Node #0,3,3: 54:[48, 6] Operation: 78/13=6 Moving to Node #0,3,3 Current State: 54:[48, 6], Operations: ['85-37=48', '78/13=6'] Exploring Operation: 48+6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 6, 24, 70, 10 ]
84
[ "6*24=144", "70-10=60", "144-60=84" ]
Current State: 84:[6, 24, 70, 10], Operations: [] Exploring Operation: 6*24=144, Resulting Numbers: [70, 10, 144] Generated Node #2: [70, 10, 144] from Operation: 6*24=144 Current State: 84:[70, 10, 144], Operations: ['6*24=144'] Exploring Operation: 70-10=60, Resulting Numbers: [144, 60] Generated Node #3: [144, 60] from Operation: 70-10=60 Current State: 84:[144, 60], Operations: ['6*24=144', '70-10=60'] Exploring Operation: 144-60=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[6, 24, 70, 10], Operations: [] Exploring Operation: 70/10=7, Resulting Numbers: [6, 24, 7] Generated Node #0,0: 84:[6, 24, 7] Operation: 70/10=7 Exploring Operation: 24+70=94, Resulting Numbers: [6, 10, 94] Generated Node #0,1: 84:[6, 10, 94] Operation: 24+70=94 Exploring Operation: 6+70=76, Resulting Numbers: [24, 10, 76] Generated Node #0,2: 84:[24, 10, 76] Operation: 6+70=76 Exploring Operation: 70-24=46, Resulting Numbers: [6, 10, 46] Generated Node #0,3: 84:[6, 10, 46] Operation: 70-24=46 Exploring Operation: 70+10=80, Resulting Numbers: [6, 24, 80] Generated Node #0,4: 84:[6, 24, 80] Operation: 70+10=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[6, 24, 7], Operations: ['70/10=7'] Exploring Operation: 6*7=42, Resulting Numbers: [24, 42] Generated Node #0,0,0: 84:[24, 42] Operation: 6*7=42 Exploring Operation: 24/6=4, Resulting Numbers: [7, 4] Generated Node #0,0,1: 84:[7, 4] Operation: 24/6=4 Exploring Operation: 24+7=31, Resulting Numbers: [6, 31] Generated Node #0,0,2: 84:[6, 31] Operation: 24+7=31 Exploring Operation: 24-6=18, Resulting Numbers: [7, 18] Generated Node #0,0,3: 84:[7, 18] Operation: 24-6=18 Exploring Operation: 6+24=30, Resulting Numbers: [7, 30] Generated Node #0,0,4: 84:[7, 30] Operation: 6+24=30 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[7, 4], Operations: ['70/10=7', '24/6=4'] Exploring Operation: 7+4=11, Resulting Numbers: [11] 11,84 unequal: No Solution Exploring Operation: 7-4=3, Resulting Numbers: [3] 3,84 unequal: No Solution Exploring Operation: 7*4=28, Resulting Numbers: [28] 28,84 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 #0,0,4 Current State: 84:[7, 30], Operations: ['70/10=7', '6+24=30'] Exploring Operation: 7*30=210, Resulting Numbers: [210] 210,84 unequal: No Solution Exploring Operation: 7+30=37, Resulting Numbers: [37] 37,84 unequal: No Solution Exploring Operation: 30-7=23, Resulting Numbers: [23] 23,84 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 #0,0,0 Current State: 84:[24, 42], Operations: ['70/10=7', '6*7=42'] Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,84 unequal: No Solution Exploring Operation: 24+42=66, Resulting Numbers: [66] 66,84 unequal: No Solution Exploring Operation: 24*42=1008, Resulting Numbers: [1008] 1008,84 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 #0,0,2 Current State: 84:[6, 31], Operations: ['70/10=7', '24+7=31'] Exploring Operation: 6+31=37, Resulting Numbers: [37] 37,84 unequal: No Solution Exploring Operation: 6*31=186, Resulting Numbers: [186] 186,84 unequal: No Solution Exploring Operation: 31-6=25, Resulting Numbers: [25] 25,84 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 #0,0,3 Current State: 84:[7, 18], Operations: ['70/10=7', '24-6=18'] Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,84 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,84 unequal: No Solution Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,84 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:[6, 10, 46], Operations: ['70-24=46'] Exploring Operation: 6+10=16, Resulting Numbers: [46, 16] Generated Node #0,3,0: 84:[46, 16] Operation: 6+10=16 Exploring Operation: 46-10=36, Resulting Numbers: [6, 36] Generated Node #0,3,1: 84:[6, 36] Operation: 46-10=36 Exploring Operation: 46-6=40, Resulting Numbers: [10, 40] Generated Node #0,3,2: 84:[10, 40] Operation: 46-6=40 Exploring Operation: 10-6=4, Resulting Numbers: [46, 4] Generated Node #0,3,3: 84:[46, 4] Operation: 10-6=4 Exploring Operation: 6+46=52, Resulting Numbers: [10, 52] Generated Node #0,3,4: 84:[10, 52] Operation: 6+46=52 Moving to Node #0,3,2 Current State: 84:[10, 40], Operations: ['70-24=46', '46-6=40'] Exploring Operation: 10+40=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,84 unequal: No Solution Exploring Operation: 10*40=400, Resulting Numbers: [400] 400,84 unequal: No Solution Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,84 unequal: No Solution Moving to Node #0,3,3 Current State: 84:[46, 4], Operations: ['70-24=46', '10-6=4'] Exploring Operation: 46*4=184, Resulting Numbers: [184] 184,84 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 46+4=50, Resulting Numbers: [50] 50,84 unequal: No Solution Moving to Node #0,3,0 Current State: 84:[46, 16], Operations: ['70-24=46', '6+10=16'] Exploring Operation: 46*16=736, Resulting Numbers: [736] 736,84 unequal: No Solution Exploring Operation: 46+16=62, Resulting Numbers: [62] 62,84 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,84 unequal: No Solution Moving to Node #0,3,1 Current State: 84:[6, 36], Operations: ['70-24=46', '46-10=36'] Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,84 unequal: No Solution Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 6+36=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 6*36=216, Resulting Numbers: [216] 216,84 unequal: No Solution Moving to Node #0,3,4 Current State: 84:[10, 52], Operations: ['70-24=46', '6+46=52'] Exploring Operation: 10+52=62, Resulting Numbers: [62] 62,84 unequal: No Solution Exploring Operation: 10*52=520, Resulting Numbers: [520] 520,84 unequal: No Solution Exploring Operation: 52-10=42, Resulting Numbers: [42] 42,84 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 #0,4 Current State: 84:[6, 24, 80], Operations: ['70+10=80'] Exploring Operation: 6+80=86, Resulting Numbers: [24, 86] Generated Node #0,4,0: 84:[24, 86] Operation: 6+80=86 Exploring Operation: 24/6=4, Resulting Numbers: [80, 4] Generated Node #0,4,1: 84:[80, 4] Operation: 24/6=4 Exploring Operation: 24-6=18, Resulting Numbers: [80, 18] Generated Node #0,4,2: 84:[80, 18] Operation: 24-6=18 Exploring Operation: 6+24=30, Resulting Numbers: [80, 30] Generated Node #0,4,3: 84:[80, 30] Operation: 6+24=30 Exploring Operation: 80-6=74, Resulting Numbers: [24, 74] Generated Node #0,4,4: 84:[24, 74] Operation: 80-6=74 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 84:[80, 4], Operations: ['70+10=80', '24/6=4'] Exploring Operation: 80*4=320, Resulting Numbers: [320] 320,84 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,84 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,84 unequal: No Solution Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[6, 24, 70, 10], Operations: [] Exploring Operation: 70+10=80, Resulting Numbers: [6, 24, 80] Generated Node #0,4: 84:[6, 24, 80] Operation: 70+10=80 Moving to Node #0,4 Current State: 84:[6, 24, 80], Operations: ['70+10=80'] Exploring Operation: 24/6=4, Resulting Numbers: [80, 4] Generated Node #0,4,1: 84:[80, 4] Operation: 24/6=4 Moving to Node #0,4,1 Current State: 84:[80, 4], Operations: ['70+10=80', '24/6=4'] Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.947917
hs_5
sum_heuristic
[ 64, 25, 8, 78 ]
61
[ "64/8=8", "78-25=53", "8+53=61" ]
Current State: 61:[64, 25, 8, 78], Operations: [] Exploring Operation: 64/8=8, Resulting Numbers: [25, 78, 8] Generated Node #2: [25, 78, 8] from Operation: 64/8=8 Current State: 61:[25, 78, 8], Operations: ['64/8=8'] Exploring Operation: 78-25=53, Resulting Numbers: [8, 53] Generated Node #3: [8, 53] from Operation: 78-25=53 Current State: 61:[8, 53], Operations: ['64/8=8', '78-25=53'] Exploring Operation: 8+53=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[64, 25, 8, 78], Operations: [] Exploring Operation: 25+8=33, Resulting Numbers: [64, 78, 33] Generated Node #0,0: 61:[64, 78, 33] Operation: 25+8=33 Exploring Operation: 78-8=70, Resulting Numbers: [64, 25, 70] Generated Node #0,1: 61:[64, 25, 70] Operation: 78-8=70 Moving to Node #0,0 Current State: 61:[64, 78, 33], Operations: ['25+8=33'] Exploring Operation: 78-33=45, Resulting Numbers: [64, 45] Generated Node #0,0,0: 61:[64, 45] Operation: 78-33=45 Exploring Operation: 64-33=31, Resulting Numbers: [78, 31] Generated Node #0,0,1: 61:[78, 31] Operation: 64-33=31 Moving to Node #0,1 Current State: 61:[64, 25, 70], Operations: ['78-8=70'] Exploring Operation: 70-25=45, Resulting Numbers: [64, 45] Generated Node #0,1,0: 61:[64, 45] Operation: 70-25=45 Exploring Operation: 64-25=39, Resulting Numbers: [70, 39] Generated Node #0,1,1: 61:[70, 39] Operation: 64-25=39 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 61:[64, 45], Operations: ['78-8=70', '70-25=45'] Exploring Operation: 64-45=19, Resulting Numbers: [19] 19,61 unequal: No Solution Exploring Operation: 64+45=109, Resulting Numbers: [109] 109,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[70, 39], Operations: ['78-8=70', '64-25=39'] Exploring Operation: 70+39=109, Resulting Numbers: [109] 109,61 unequal: No Solution Exploring Operation: 70-39=31, Resulting Numbers: [31] 31,61 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: 61:[64, 45], Operations: ['25+8=33', '78-33=45'] Exploring Operation: 64+45=109, Resulting Numbers: [109] 109,61 unequal: No Solution Exploring Operation: 64-45=19, Resulting Numbers: [19] 19,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[78, 31], Operations: ['25+8=33', '64-33=31'] Exploring Operation: 78+31=109, Resulting Numbers: [109] 109,61 unequal: No Solution Exploring Operation: 78-31=47, Resulting Numbers: [47] 47,61 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 34, 30, 79, 43 ]
58
[ "34+30=64", "79+43=122", "122-64=58" ]
Current State: 58:[34, 30, 79, 43], Operations: [] Exploring Operation: 34+30=64, Resulting Numbers: [79, 43, 64] Generated Node #2: [79, 43, 64] from Operation: 34+30=64 Current State: 58:[79, 43, 64], Operations: ['34+30=64'] Exploring Operation: 79+43=122, Resulting Numbers: [64, 122] Generated Node #3: [64, 122] from Operation: 79+43=122 Current State: 58:[64, 122], Operations: ['34+30=64', '79+43=122'] Exploring Operation: 122-64=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[34, 30, 79, 43], Operations: [] Exploring Operation: 79-30=49, Resulting Numbers: [34, 43, 49] Generated Node #0,0: 58:[34, 43, 49] Operation: 79-30=49 Exploring Operation: 34-30=4, Resulting Numbers: [79, 43, 4] Generated Node #0,1: 58:[79, 43, 4] Operation: 34-30=4 Exploring Operation: 79-43=36, Resulting Numbers: [34, 30, 36] Generated Node #0,2: 58:[34, 30, 36] Operation: 79-43=36 Exploring Operation: 43-34=9, Resulting Numbers: [30, 79, 9] Generated Node #0,3: 58:[30, 79, 9] Operation: 43-34=9 Exploring Operation: 79-34=45, Resulting Numbers: [30, 43, 45] Generated Node #0,4: 58:[30, 43, 45] Operation: 79-34=45 Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[34, 30, 36], Operations: ['79-43=36'] Exploring Operation: 34+36=70, Resulting Numbers: [30, 70] Generated Node #0,2,0: 58:[30, 70] Operation: 34+36=70 Exploring Operation: 34-30=4, Resulting Numbers: [36, 4] Generated Node #0,2,1: 58:[36, 4] Operation: 34-30=4 Exploring Operation: 36-34=2, Resulting Numbers: [30, 2] Generated Node #0,2,2: 58:[30, 2] Operation: 36-34=2 Exploring Operation: 36-30=6, Resulting Numbers: [34, 6] Generated Node #0,2,3: 58:[34, 6] Operation: 36-30=6 Exploring Operation: 34+30=64, Resulting Numbers: [36, 64] Generated Node #0,2,4: 58:[36, 64] Operation: 34+30=64 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 58:[30, 2], Operations: ['79-43=36', '36-34=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,58 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,58 unequal: No Solution Exploring Operation: 30+2=32, Resulting Numbers: [32] 32,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 58:[36, 4], Operations: ['79-43=36', '34-30=4'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,58 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,58 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,58 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 58:[34, 6], Operations: ['79-43=36', '36-30=6'] Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 34*6=204, Resulting Numbers: [204] 204,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 58:[30, 70], Operations: ['79-43=36', '34+36=70'] Exploring Operation: 70-30=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 30+70=100, Resulting Numbers: [100] 100,58 unequal: No Solution Exploring Operation: 30*70=2100, Resulting Numbers: [2100] 2100,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 58:[36, 64], Operations: ['79-43=36', '34+30=64'] Exploring Operation: 36*64=2304, Resulting Numbers: [2304] 2304,58 unequal: No Solution Exploring Operation: 36+64=100, Resulting Numbers: [100] 100,58 unequal: No Solution Exploring Operation: 64-36=28, Resulting Numbers: [28] 28,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[34, 43, 49], Operations: ['79-30=49'] Exploring Operation: 49-34=15, Resulting Numbers: [43, 15] Generated Node #0,0,0: 58:[43, 15] Operation: 49-34=15 Exploring Operation: 43-34=9, Resulting Numbers: [49, 9] Generated Node #0,0,1: 58:[49, 9] Operation: 43-34=9 Exploring Operation: 34+49=83, Resulting Numbers: [43, 83] Generated Node #0,0,2: 58:[43, 83] Operation: 34+49=83 Exploring Operation: 49-43=6, Resulting Numbers: [34, 6] Generated Node #0,0,3: 58:[34, 6] Operation: 49-43=6 Exploring Operation: 34+43=77, Resulting Numbers: [49, 77] Generated Node #0,0,4: 58:[49, 77] Operation: 34+43=77 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 58:[34, 6], Operations: ['79-30=49', '49-43=6'] Exploring Operation: 34*6=204, Resulting Numbers: [204] 204,58 unequal: No Solution Exploring Operation: 34+6=40, Resulting Numbers: [40] 40,58 unequal: No Solution Exploring Operation: 34-6=28, Resulting Numbers: [28] 28,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 58:[49, 9], Operations: ['79-30=49', '43-34=9'] Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[34, 30, 79, 43], Operations: [] Exploring Operation: 79-30=49, Resulting Numbers: [34, 43, 49] Generated Node #0,0: 58:[34, 43, 49] Operation: 79-30=49 Moving to Node #0,0 Current State: 58:[34, 43, 49], Operations: ['79-30=49'] Exploring Operation: 43-34=9, Resulting Numbers: [49, 9] Generated Node #0,0,1: 58:[49, 9] Operation: 43-34=9 Moving to Node #0,0,1 Current State: 58:[49, 9], Operations: ['79-30=49', '43-34=9'] Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.965278
hs_5
sum_heuristic
[ 2, 38, 5, 29 ]
52
[ "2*38=76", "29-5=24", "76-24=52" ]
Current State: 52:[2, 38, 5, 29], Operations: [] Exploring Operation: 2*38=76, Resulting Numbers: [5, 29, 76] Generated Node #2: [5, 29, 76] from Operation: 2*38=76 Current State: 52:[5, 29, 76], Operations: ['2*38=76'] Exploring Operation: 29-5=24, Resulting Numbers: [76, 24] Generated Node #3: [76, 24] from Operation: 29-5=24 Current State: 52:[76, 24], Operations: ['2*38=76', '29-5=24'] Exploring Operation: 76-24=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[2, 38, 5, 29], Operations: [] Exploring Operation: 38-29=9, Resulting Numbers: [2, 5, 9] Generated Node #0,0: 52:[2, 5, 9] Operation: 38-29=9 Exploring Operation: 38/2=19, Resulting Numbers: [5, 29, 19] Generated Node #0,1: 52:[5, 29, 19] Operation: 38/2=19 Exploring Operation: 38-5=33, Resulting Numbers: [2, 29, 33] Generated Node #0,2: 52:[2, 29, 33] Operation: 38-5=33 Exploring Operation: 38+5=43, Resulting Numbers: [2, 29, 43] Generated Node #0,3: 52:[2, 29, 43] Operation: 38+5=43 Moving to Node #0,0 Current State: 52:[2, 5, 9], Operations: ['38-29=9'] Exploring Operation: 5+9=14, Resulting Numbers: [2, 14] Generated Node #0,0,0: 52:[2, 14] Operation: 5+9=14 Exploring Operation: 9-5=4, Resulting Numbers: [2, 4] Generated Node #0,0,1: 52:[2, 4] Operation: 9-5=4 Exploring Operation: 2+9=11, Resulting Numbers: [5, 11] Generated Node #0,0,2: 52:[5, 11] Operation: 2+9=11 Exploring Operation: 9-2=7, Resulting Numbers: [5, 7] Generated Node #0,0,3: 52:[5, 7] Operation: 9-2=7 Moving to Node #0,2 Current State: 52:[2, 29, 33], Operations: ['38-5=33'] Exploring Operation: 33-2=31, Resulting Numbers: [29, 31] Generated Node #0,2,0: 52:[29, 31] Operation: 33-2=31 Exploring Operation: 33-29=4, Resulting Numbers: [2, 4] Generated Node #0,2,1: 52:[2, 4] Operation: 33-29=4 Exploring Operation: 29+33=62, Resulting Numbers: [2, 62] Generated Node #0,2,2: 52:[2, 62] Operation: 29+33=62 Exploring Operation: 29-2=27, Resulting Numbers: [33, 27] Generated Node #0,2,3: 52:[33, 27] Operation: 29-2=27 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[2, 4], Operations: ['38-5=33', '33-29=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[29, 31], Operations: ['38-5=33', '33-2=31'] Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,52 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 29*31=899, Resulting Numbers: [899] 899,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 52:[33, 27], Operations: ['38-5=33', '29-2=27'] Exploring Operation: 33*27=891, Resulting Numbers: [891] 891,52 unequal: No Solution Exploring Operation: 33-27=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 33+27=60, Resulting Numbers: [60] 60,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[2, 62], Operations: ['38-5=33', '29+33=62'] Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,52 unequal: No Solution Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,52 unequal: No Solution Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,52 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 52:[5, 29, 19], Operations: ['38/2=19'] Exploring Operation: 5+19=24, Resulting Numbers: [29, 24] Generated Node #0,1,0: 52:[29, 24] Operation: 5+19=24 Exploring Operation: 29+19=48, Resulting Numbers: [5, 48] Generated Node #0,1,1: 52:[5, 48] Operation: 29+19=48 Exploring Operation: 19-5=14, Resulting Numbers: [29, 14] Generated Node #0,1,2: 52:[29, 14] Operation: 19-5=14 Exploring Operation: 29-19=10, Resulting Numbers: [5, 10] Generated Node #0,1,3: 52:[5, 10] Operation: 29-19=10 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 52:[29, 14], Operations: ['38/2=19', '19-5=14'] Exploring Operation: 29-14=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 29+14=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 29*14=406, Resulting Numbers: [406] 406,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 52:[5, 10], Operations: ['38/2=19', '29-19=10'] Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 5+10=15, Resulting Numbers: [15] 15,52 unequal: No Solution Exploring Operation: 5*10=50, Resulting Numbers: [50] 50,52 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 52:[29, 24], Operations: ['38/2=19', '5+19=24'] Exploring Operation: 29+24=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 29-24=5, Resulting Numbers: [5] 5,52 unequal: No Solution Exploring Operation: 29*24=696, Resulting Numbers: [696] 696,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 52:[5, 48], Operations: ['38/2=19', '29+19=48'] Exploring Operation: 5+48=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 5*48=240, Resulting Numbers: [240] 240,52 unequal: No Solution Exploring Operation: 48-5=43, Resulting Numbers: [43] 43,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 52:[2, 29, 43], Operations: ['38+5=43'] Exploring Operation: 2+43=45, Resulting Numbers: [29, 45] Generated Node #0,3,0: 52:[29, 45] Operation: 2+43=45 Exploring Operation: 2+29=31, Resulting Numbers: [43, 31] Generated Node #0,3,1: 52:[43, 31] Operation: 2+29=31 Exploring Operation: 43-29=14, Resulting Numbers: [2, 14] Generated Node #0,3,2: 52:[2, 14] Operation: 43-29=14 Exploring Operation: 29-2=27, Resulting Numbers: [43, 27] Generated Node #0,3,3: 52:[43, 27] Operation: 29-2=27 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 52:[2, 14], Operations: ['38+5=43', '43-29=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 52:[29, 45], Operations: ['38+5=43', '2+43=45'] Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 29+45=74, Resulting Numbers: [74] 74,52 unequal: No Solution Exploring Operation: 29*45=1305, Resulting Numbers: [1305] 1305,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 52:[43, 27], Operations: ['38+5=43', '29-2=27'] Exploring Operation: 43+27=70, Resulting Numbers: [70] 70,52 unequal: No Solution Exploring Operation: 43*27=1161, Resulting Numbers: [1161] 1161,52 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 52:[43, 31], Operations: ['38+5=43', '2+29=31'] Exploring Operation: 43+31=74, Resulting Numbers: [74] 74,52 unequal: No Solution Exploring Operation: 43*31=1333, Resulting Numbers: [1333] 1333,52 unequal: No Solution Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,52 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: 52:[2, 4], Operations: ['38-29=9', '9-5=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[2, 14], Operations: ['38-29=9', '5+9=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,52 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,52 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[5, 11], Operations: ['38-29=9', '2+9=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,52 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[5, 7], Operations: ['38-29=9', '9-2=7'] Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,52 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,52 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 67, 72, 78, 61 ]
25
[ "67-61=6", "72+78=150", "150/6=25" ]
Current State: 25:[67, 72, 78, 61], Operations: [] Exploring Operation: 67-61=6, Resulting Numbers: [72, 78, 6] Generated Node #2: [72, 78, 6] from Operation: 67-61=6 Current State: 25:[72, 78, 6], Operations: ['67-61=6'] Exploring Operation: 72+78=150, Resulting Numbers: [6, 150] Generated Node #3: [6, 150] from Operation: 72+78=150 Current State: 25:[6, 150], Operations: ['67-61=6', '72+78=150'] Exploring Operation: 150/6=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[67, 72, 78, 61], Operations: [] Exploring Operation: 78-72=6, Resulting Numbers: [67, 61, 6] Generated Node #0,0: 25:[67, 61, 6] Operation: 78-72=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[67, 61, 6], Operations: ['78-72=6'] Exploring Operation: 67-61=6, Resulting Numbers: [6, 6] Generated Node #0,0,0: 25:[6, 6] Operation: 67-61=6 Moving to Node #0,0,0 Current State: 25:[6, 6], Operations: ['78-72=6', '67-61=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,25 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
[ 67, 4, 10, 10 ]
97
[ "67-10=57", "4*10=40", "57+40=97" ]
Current State: 97:[67, 4, 10, 10], Operations: [] Exploring Operation: 67-10=57, Resulting Numbers: [4, 57] Generated Node #2: [4, 57] from Operation: 67-10=57 Current State: 97:[4, 57], Operations: ['67-10=57'] Exploring Operation: 4*10=40, Resulting Numbers: [57, 40] Generated Node #3: [57, 40] from Operation: 4*10=40 Current State: 97:[57, 40], Operations: ['67-10=57', '4*10=40'] Exploring Operation: 57+40=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[67, 4, 10, 10], Operations: [] Exploring Operation: 4*10=40, Resulting Numbers: [67, 10, 40] Generated Node #0,0: 97:[67, 10, 40] Operation: 4*10=40 Exploring Operation: 4*10=40, Resulting Numbers: [67, 10, 40] Generated Node #0,1: 97:[67, 10, 40] Operation: 4*10=40 Exploring Operation: 10*10=100, Resulting Numbers: [67, 4, 100] Generated Node #0,2: 97:[67, 4, 100] Operation: 10*10=100 Moving to Node #0,2 Current State: 97:[67, 4, 100], Operations: ['10*10=100'] Exploring Operation: 100-4=96, Resulting Numbers: [67, 96] Generated Node #0,2,0: 97:[67, 96] Operation: 100-4=96 Exploring Operation: 67-4=63, Resulting Numbers: [100, 63] Generated Node #0,2,1: 97:[100, 63] Operation: 67-4=63 Exploring Operation: 67+4=71, Resulting Numbers: [100, 71] Generated Node #0,2,2: 97:[100, 71] Operation: 67+4=71 Moving to Node #0,0 Current State: 97:[67, 10, 40], Operations: ['4*10=40'] Exploring Operation: 67+10=77, Resulting Numbers: [40, 77] Generated Node #0,0,0: 97:[40, 77] Operation: 67+10=77 Exploring Operation: 67-10=57, Resulting Numbers: [40, 57] Generated Node #0,0,1: 97:[40, 57] Operation: 67-10=57 Exploring Operation: 10+40=50, Resulting Numbers: [67, 50] Generated Node #0,0,2: 97:[67, 50] Operation: 10+40=50 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[40, 77], Operations: ['4*10=40', '67+10=77'] Exploring Operation: 40+77=117, Resulting Numbers: [117] 117,97 unequal: No Solution Exploring Operation: 40*77=3080, Resulting Numbers: [3080] 3080,97 unequal: No Solution Exploring Operation: 77-40=37, Resulting Numbers: [37] 37,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[67, 50], Operations: ['4*10=40', '10+40=50'] Exploring Operation: 67*50=3350, Resulting Numbers: [3350] 3350,97 unequal: No Solution Exploring Operation: 67-50=17, Resulting Numbers: [17] 17,97 unequal: No Solution Exploring Operation: 67+50=117, Resulting Numbers: [117] 117,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[40, 57], Operations: ['4*10=40', '67-10=57'] Exploring Operation: 40*57=2280, Resulting Numbers: [2280] 2280,97 unequal: No Solution Exploring Operation: 40+57=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[67, 4, 10, 10], Operations: [] Exploring Operation: 4*10=40, Resulting Numbers: [67, 10, 40] Generated Node #0,0: 97:[67, 10, 40] Operation: 4*10=40 Moving to Node #0,0 Current State: 97:[67, 10, 40], Operations: ['4*10=40'] Exploring Operation: 67-10=57, Resulting Numbers: [40, 57] Generated Node #0,0,1: 97:[40, 57] Operation: 67-10=57 Moving to Node #0,0,1 Current State: 97:[40, 57], Operations: ['4*10=40', '67-10=57'] Exploring Operation: 40+57=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_3
sum_heuristic
[ 41, 7, 55, 78 ]
99
[ "41-7=34", "55+78=133", "133-34=99" ]
Current State: 99:[41, 7, 55, 78], Operations: [] Exploring Operation: 41-7=34, Resulting Numbers: [55, 78, 34] Generated Node #2: [55, 78, 34] from Operation: 41-7=34 Current State: 99:[55, 78, 34], Operations: ['41-7=34'] Exploring Operation: 55+78=133, Resulting Numbers: [34, 133] Generated Node #3: [34, 133] from Operation: 55+78=133 Current State: 99:[34, 133], Operations: ['41-7=34', '55+78=133'] Exploring Operation: 133-34=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[41, 7, 55, 78], Operations: [] Exploring Operation: 78-55=23, Resulting Numbers: [41, 7, 23] Generated Node #0,0: 99:[41, 7, 23] Operation: 78-55=23 Moving to Node #0,0 Current State: 99:[41, 7, 23], Operations: ['78-55=23'] Exploring Operation: 41-23=18, Resulting Numbers: [7, 18] Generated Node #0,0,0: 99:[7, 18] Operation: 41-23=18 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 99:[7, 18], Operations: ['78-55=23', '41-23=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,99 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
[ 41, 83, 38, 12 ]
74
[ "41+83=124", "38+12=50", "124-50=74" ]
Current State: 74:[41, 83, 38, 12], Operations: [] Exploring Operation: 41+83=124, Resulting Numbers: [38, 12, 124] Generated Node #2: [38, 12, 124] from Operation: 41+83=124 Current State: 74:[38, 12, 124], Operations: ['41+83=124'] Exploring Operation: 38+12=50, Resulting Numbers: [124, 50] Generated Node #3: [124, 50] from Operation: 38+12=50 Current State: 74:[124, 50], Operations: ['41+83=124', '38+12=50'] Exploring Operation: 124-50=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[41, 83, 38, 12], Operations: [] Exploring Operation: 83-12=71, Resulting Numbers: [41, 38, 71] Generated Node #0,0: 74:[41, 38, 71] Operation: 83-12=71 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[41, 38, 71], Operations: ['83-12=71'] Exploring Operation: 41-38=3, Resulting Numbers: [71, 3] Generated Node #0,0,0: 74:[71, 3] Operation: 41-38=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 74:[71, 3], Operations: ['83-12=71', '41-38=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[41, 83, 38, 12], Operations: [] Exploring Operation: 83-12=71, Resulting Numbers: [41, 38, 71] Generated Node #0,0: 74:[41, 38, 71] Operation: 83-12=71 Moving to Node #0,0 Current State: 74:[41, 38, 71], Operations: ['83-12=71'] Exploring Operation: 41-38=3, Resulting Numbers: [71, 3] Generated Node #0,0,0: 74:[71, 3] Operation: 41-38=3 Moving to Node #0,0,0 Current State: 74:[71, 3], Operations: ['83-12=71', '41-38=3'] Exploring Operation: 71+3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 25, 84, 32, 43 ]
55
[ "32-25=7", "84/7=12", "43+12=55" ]
Current State: 55:[25, 84, 32, 43], Operations: [] Exploring Operation: 32-25=7, Resulting Numbers: [84, 43, 7] Generated Node #2: [84, 43, 7] from Operation: 32-25=7 Current State: 55:[84, 43, 7], Operations: ['32-25=7'] Exploring Operation: 84/7=12, Resulting Numbers: [43, 12] Generated Node #3: [43, 12] from Operation: 84/7=12 Current State: 55:[43, 12], Operations: ['32-25=7', '84/7=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[25, 84, 32, 43], Operations: [] Exploring Operation: 84-32=52, Resulting Numbers: [25, 43, 52] Generated Node #0,0: 55:[25, 43, 52] Operation: 84-32=52 Exploring Operation: 32-25=7, Resulting Numbers: [84, 43, 7] Generated Node #0,1: 55:[84, 43, 7] Operation: 32-25=7 Exploring Operation: 84-25=59, Resulting Numbers: [32, 43, 59] Generated Node #0,2: 55:[32, 43, 59] Operation: 84-25=59 Exploring Operation: 25+32=57, Resulting Numbers: [84, 43, 57] Generated Node #0,3: 55:[84, 43, 57] Operation: 25+32=57 Moving to Node #0,0 Current State: 55:[25, 43, 52], Operations: ['84-32=52'] Exploring Operation: 52-43=9, Resulting Numbers: [25, 9] Generated Node #0,0,0: 55:[25, 9] Operation: 52-43=9 Exploring Operation: 52-25=27, Resulting Numbers: [43, 27] Generated Node #0,0,1: 55:[43, 27] Operation: 52-25=27 Exploring Operation: 25+43=68, Resulting Numbers: [52, 68] Generated Node #0,0,2: 55:[52, 68] Operation: 25+43=68 Exploring Operation: 43-25=18, Resulting Numbers: [52, 18] Generated Node #0,0,3: 55:[52, 18] Operation: 43-25=18 Moving to Node #0,2 Current State: 55:[32, 43, 59], Operations: ['84-25=59'] Exploring Operation: 59-43=16, Resulting Numbers: [32, 16] Generated Node #0,2,0: 55:[32, 16] Operation: 59-43=16 Exploring Operation: 43-32=11, Resulting Numbers: [59, 11] Generated Node #0,2,1: 55:[59, 11] Operation: 43-32=11 Exploring Operation: 32+43=75, Resulting Numbers: [59, 75] Generated Node #0,2,2: 55:[59, 75] Operation: 32+43=75 Exploring Operation: 59-32=27, Resulting Numbers: [43, 27] Generated Node #0,2,3: 55:[43, 27] Operation: 59-32=27 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 55:[59, 11], Operations: ['84-25=59', '43-32=11'] Exploring Operation: 59+11=70, Resulting Numbers: [70] 70,55 unequal: No Solution Exploring Operation: 59-11=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 59*11=649, Resulting Numbers: [649] 649,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 55:[59, 75], Operations: ['84-25=59', '32+43=75'] Exploring Operation: 59+75=134, Resulting Numbers: [134] 134,55 unequal: No Solution Exploring Operation: 75-59=16, Resulting Numbers: [16] 16,55 unequal: No Solution Exploring Operation: 59*75=4425, Resulting Numbers: [4425] 4425,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 55:[32, 16], Operations: ['84-25=59', '59-43=16'] Exploring Operation: 32*16=512, Resulting Numbers: [512] 512,55 unequal: No Solution Exploring Operation: 32+16=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 32/16=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 32-16=16, Resulting Numbers: [16] 16,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 55:[43, 27], Operations: ['84-25=59', '59-32=27'] Exploring Operation: 43+27=70, Resulting Numbers: [70] 70,55 unequal: No Solution Exploring Operation: 43*27=1161, Resulting Numbers: [1161] 1161,55 unequal: No Solution Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,55 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: 55:[84, 43, 57], Operations: ['25+32=57'] Exploring Operation: 57-43=14, Resulting Numbers: [84, 14] Generated Node #0,3,0: 55:[84, 14] Operation: 57-43=14 Exploring Operation: 84-57=27, Resulting Numbers: [43, 27] Generated Node #0,3,1: 55:[43, 27] Operation: 84-57=27 Exploring Operation: 84-43=41, Resulting Numbers: [57, 41] Generated Node #0,3,2: 55:[57, 41] Operation: 84-43=41 Exploring Operation: 84+43=127, Resulting Numbers: [57, 127] Generated Node #0,3,3: 55:[57, 127] Operation: 84+43=127 Moving to Node #0,1 Current State: 55:[84, 43, 7], Operations: ['32-25=7'] Exploring Operation: 84-43=41, Resulting Numbers: [7, 41] Generated Node #0,1,0: 55:[7, 41] Operation: 84-43=41 Exploring Operation: 43+7=50, Resulting Numbers: [84, 50] Generated Node #0,1,1: 55:[84, 50] Operation: 43+7=50 Exploring Operation: 84-7=77, Resulting Numbers: [43, 77] Generated Node #0,1,2: 55:[43, 77] Operation: 84-7=77 Exploring Operation: 84/7=12, Resulting Numbers: [43, 12] Generated Node #0,1,3: 55:[43, 12] Operation: 84/7=12 Moving to Node #0,0,3 Current State: 55:[52, 18], Operations: ['84-32=52', '43-25=18'] Exploring Operation: 52-18=34, Resulting Numbers: [34] 34,55 unequal: No Solution Exploring Operation: 52*18=936, Resulting Numbers: [936] 936,55 unequal: No Solution Exploring Operation: 52+18=70, Resulting Numbers: [70] 70,55 unequal: No Solution Moving to Node #0,1,3 Current State: 55:[43, 12], Operations: ['32-25=7', '84/7=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[25, 84, 32, 43], Operations: [] Exploring Operation: 32-25=7, Resulting Numbers: [84, 43, 7] Generated Node #0,1: 55:[84, 43, 7] Operation: 32-25=7 Moving to Node #0,1 Current State: 55:[84, 43, 7], Operations: ['32-25=7'] Exploring Operation: 84/7=12, Resulting Numbers: [43, 12] Generated Node #0,1,3: 55:[43, 12] Operation: 84/7=12 Moving to Node #0,1,3 Current State: 55:[43, 12], Operations: ['32-25=7', '84/7=12'] Exploring Operation: 43+12=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
0.96441
hs_4
sum_heuristic
[ 10, 71, 80, 94 ]
47
[ "71-10=61", "94-80=14", "61-14=47" ]
Current State: 47:[10, 71, 80, 94], Operations: [] Exploring Operation: 71-10=61, Resulting Numbers: [80, 94, 61] Generated Node #2: [80, 94, 61] from Operation: 71-10=61 Current State: 47:[80, 94, 61], Operations: ['71-10=61'] Exploring Operation: 94-80=14, Resulting Numbers: [61, 14] Generated Node #3: [61, 14] from Operation: 94-80=14 Current State: 47:[61, 14], Operations: ['71-10=61', '94-80=14'] Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[10, 71, 80, 94], Operations: [] Exploring Operation: 71-10=61, Resulting Numbers: [80, 94, 61] Generated Node #0,0: 47:[80, 94, 61] Operation: 71-10=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[80, 94, 61], Operations: ['71-10=61'] Exploring Operation: 94-80=14, Resulting Numbers: [61, 14] Generated Node #0,0,0: 47:[61, 14] Operation: 94-80=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[61, 14], Operations: ['71-10=61', '94-80=14'] Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[10, 71, 80, 94], Operations: [] Exploring Operation: 71-10=61, Resulting Numbers: [80, 94, 61] Generated Node #0,0: 47:[80, 94, 61] Operation: 71-10=61 Moving to Node #0,0 Current State: 47:[80, 94, 61], Operations: ['71-10=61'] Exploring Operation: 94-80=14, Resulting Numbers: [61, 14] Generated Node #0,0,0: 47:[61, 14] Operation: 94-80=14 Moving to Node #0,0,0 Current State: 47:[61, 14], Operations: ['71-10=61', '94-80=14'] Exploring Operation: 61-14=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 45, 16, 13, 28 ]
13
[ "45-16=29", "29-28=1", "13*1=13" ]
Current State: 13:[45, 16, 13, 28], Operations: [] Exploring Operation: 45-16=29, Resulting Numbers: [13, 28, 29] Generated Node #2: [13, 28, 29] from Operation: 45-16=29 Current State: 13:[13, 28, 29], Operations: ['45-16=29'] Exploring Operation: 29-28=1, Resulting Numbers: [13, 1] Generated Node #3: [13, 1] from Operation: 29-28=1 Current State: 13:[13, 1], Operations: ['45-16=29', '29-28=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[45, 16, 13, 28], Operations: [] Exploring Operation: 45-28=17, Resulting Numbers: [16, 13, 17] Generated Node #0,0: 13:[16, 13, 17] Operation: 45-28=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[16, 13, 17], Operations: ['45-28=17'] Exploring Operation: 17-16=1, Resulting Numbers: [13, 1] Generated Node #0,0,0: 13:[13, 1] Operation: 17-16=1 Moving to Node #0,0,0 Current State: 13:[13, 1], Operations: ['45-28=17', '17-16=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[45, 16, 13, 28], Operations: [] Exploring Operation: 45-28=17, Resulting Numbers: [16, 13, 17] Generated Node #0,0: 13:[16, 13, 17] Operation: 45-28=17 Moving to Node #0,0 Current State: 13:[16, 13, 17], Operations: ['45-28=17'] Exploring Operation: 17-16=1, Resulting Numbers: [13, 1] Generated Node #0,0,0: 13:[13, 1] Operation: 17-16=1 Moving to Node #0,0,0 Current State: 13:[13, 1], Operations: ['45-28=17', '17-16=1'] Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 91, 3, 87, 75 ]
68
[ "91+3=94", "87+75=162", "162-94=68" ]
Current State: 68:[91, 3, 87, 75], Operations: [] Exploring Operation: 91+3=94, Resulting Numbers: [87, 75, 94] Generated Node #2: [87, 75, 94] from Operation: 91+3=94 Current State: 68:[87, 75, 94], Operations: ['91+3=94'] Exploring Operation: 87+75=162, Resulting Numbers: [94, 162] Generated Node #3: [94, 162] from Operation: 87+75=162 Current State: 68:[94, 162], Operations: ['91+3=94', '87+75=162'] Exploring Operation: 162-94=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[91, 3, 87, 75], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [3, 75, 4] Generated Node #0,0: 68:[3, 75, 4] Operation: 91-87=4 Exploring Operation: 91-75=16, Resulting Numbers: [3, 87, 16] Generated Node #0,1: 68:[3, 87, 16] Operation: 91-75=16 Moving to Node #0,0 Current State: 68:[3, 75, 4], Operations: ['91-87=4'] Exploring Operation: 75-4=71, Resulting Numbers: [3, 71] Generated Node #0,0,0: 68:[3, 71] Operation: 75-4=71 Exploring Operation: 75-3=72, Resulting Numbers: [4, 72] Generated Node #0,0,1: 68:[4, 72] Operation: 75-3=72 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 68:[3, 71], Operations: ['91-87=4', '75-4=71'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[91, 3, 87, 75], Operations: [] Exploring Operation: 91-87=4, Resulting Numbers: [3, 75, 4] Generated Node #0,0: 68:[3, 75, 4] Operation: 91-87=4 Moving to Node #0,0 Current State: 68:[3, 75, 4], Operations: ['91-87=4'] Exploring Operation: 75-4=71, Resulting Numbers: [3, 71] Generated Node #0,0,0: 68:[3, 71] Operation: 75-4=71 Moving to Node #0,0,0 Current State: 68:[3, 71], Operations: ['91-87=4', '75-4=71'] Exploring Operation: 71-3=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 66, 28, 36, 57 ]
72
[ "66-57=9", "36-28=8", "9*8=72" ]
Current State: 72:[66, 28, 36, 57], Operations: [] Exploring Operation: 66-57=9, Resulting Numbers: [28, 36, 9] Generated Node #2: [28, 36, 9] from Operation: 66-57=9 Current State: 72:[28, 36, 9], Operations: ['66-57=9'] Exploring Operation: 36-28=8, Resulting Numbers: [9, 8] Generated Node #3: [9, 8] from Operation: 36-28=8 Current State: 72:[9, 8], Operations: ['66-57=9', '36-28=8'] Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[66, 28, 36, 57], Operations: [] Exploring Operation: 57-28=29, Resulting Numbers: [66, 36, 29] Generated Node #0,0: 72:[66, 36, 29] Operation: 57-28=29 Exploring Operation: 66-28=38, Resulting Numbers: [36, 57, 38] Generated Node #0,1: 72:[36, 57, 38] Operation: 66-28=38 Exploring Operation: 57-36=21, Resulting Numbers: [66, 28, 21] Generated Node #0,2: 72:[66, 28, 21] Operation: 57-36=21 Exploring Operation: 66-57=9, Resulting Numbers: [28, 36, 9] Generated Node #0,3: 72:[28, 36, 9] Operation: 66-57=9 Moving to Node #0,3 Current State: 72:[28, 36, 9], Operations: ['66-57=9'] Exploring Operation: 36-28=8, Resulting Numbers: [9, 8] Generated Node #0,3,0: 72:[9, 8] Operation: 36-28=8 Exploring Operation: 28+9=37, Resulting Numbers: [36, 37] Generated Node #0,3,1: 72:[36, 37] Operation: 28+9=37 Exploring Operation: 36/9=4, Resulting Numbers: [28, 4] Generated Node #0,3,2: 72:[28, 4] Operation: 36/9=4 Exploring Operation: 28-9=19, Resulting Numbers: [36, 19] Generated Node #0,3,3: 72:[36, 19] Operation: 28-9=19 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 72:[9, 8], Operations: ['66-57=9', '36-28=8'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,72 unequal: No Solution Exploring Operation: 9+8=17, Resulting Numbers: [17] 17,72 unequal: No Solution Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[66, 28, 36, 57], Operations: [] Exploring Operation: 66-57=9, Resulting Numbers: [28, 36, 9] Generated Node #0,3: 72:[28, 36, 9] Operation: 66-57=9 Moving to Node #0,3 Current State: 72:[28, 36, 9], Operations: ['66-57=9'] Exploring Operation: 36-28=8, Resulting Numbers: [9, 8] Generated Node #0,3,0: 72:[9, 8] Operation: 36-28=8 Moving to Node #0,3,0 Current State: 72:[9, 8], Operations: ['66-57=9', '36-28=8'] Exploring Operation: 9*8=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 14, 7, 15, 13 ]
42
[ "14+7=21", "15-13=2", "21*2=42" ]
Current State: 42:[14, 7, 15, 13], Operations: [] Exploring Operation: 14+7=21, Resulting Numbers: [15, 13, 21] Generated Node #2: [15, 13, 21] from Operation: 14+7=21 Current State: 42:[15, 13, 21], Operations: ['14+7=21'] Exploring Operation: 15-13=2, Resulting Numbers: [21, 2] Generated Node #3: [21, 2] from Operation: 15-13=2 Current State: 42:[21, 2], Operations: ['14+7=21', '15-13=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[14, 7, 15, 13], Operations: [] Exploring Operation: 15-13=2, Resulting Numbers: [14, 7, 2] Generated Node #0,0: 42:[14, 7, 2] Operation: 15-13=2 Exploring Operation: 14/7=2, Resulting Numbers: [15, 13, 2] Generated Node #0,1: 42:[15, 13, 2] Operation: 14/7=2 Exploring Operation: 14+7=21, Resulting Numbers: [15, 13, 21] Generated Node #0,2: 42:[15, 13, 21] Operation: 14+7=21 Exploring Operation: 14-7=7, Resulting Numbers: [15, 13, 7] Generated Node #0,3: 42:[15, 13, 7] Operation: 14-7=7 Exploring Operation: 13-7=6, Resulting Numbers: [14, 15, 6] Generated Node #0,4: 42:[14, 15, 6] Operation: 13-7=6 Moving to Node #0,0 Current State: 42:[14, 7, 2], Operations: ['15-13=2'] Exploring Operation: 14/7=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 42:[2, 2] Operation: 14/7=2 Exploring Operation: 14-7=7, Resulting Numbers: [2, 7] Generated Node #0,0,1: 42:[2, 7] Operation: 14-7=7 Exploring Operation: 14+7=21, Resulting Numbers: [2, 21] Generated Node #0,0,2: 42:[2, 21] Operation: 14+7=21 Exploring Operation: 7*2=14, Resulting Numbers: [14, 14] Generated Node #0,0,3: 42:[14, 14] Operation: 7*2=14 Exploring Operation: 14/2=7, Resulting Numbers: [7, 7] Generated Node #0,0,4: 42:[7, 7] Operation: 14/2=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[2, 2], Operations: ['15-13=2', '14/7=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,42 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[2, 7], Operations: ['15-13=2', '14-7=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,42 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,42 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 42:[2, 21], Operations: ['15-13=2', '14+7=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,42 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[14, 7, 15, 13], Operations: [] Exploring Operation: 15-13=2, Resulting Numbers: [14, 7, 2] Generated Node #0,0: 42:[14, 7, 2] Operation: 15-13=2 Moving to Node #0,0 Current State: 42:[14, 7, 2], Operations: ['15-13=2'] Exploring Operation: 14+7=21, Resulting Numbers: [2, 21] Generated Node #0,0,2: 42:[2, 21] Operation: 14+7=21 Moving to Node #0,0,2 Current State: 42:[2, 21], Operations: ['15-13=2', '14+7=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
mult_heuristic
[ 56, 80, 70, 96 ]
74
[ "80-56=24", "96/24=4", "70+4=74" ]
Current State: 74:[56, 80, 70, 96], Operations: [] Exploring Operation: 80-56=24, Resulting Numbers: [70, 96, 24] Generated Node #2: [70, 96, 24] from Operation: 80-56=24 Current State: 74:[70, 96, 24], Operations: ['80-56=24'] Exploring Operation: 96/24=4, Resulting Numbers: [70, 4] Generated Node #3: [70, 4] from Operation: 96/24=4 Current State: 74:[70, 4], Operations: ['80-56=24', '96/24=4'] Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[56, 80, 70, 96], Operations: [] Exploring Operation: 80-56=24, Resulting Numbers: [70, 96, 24] Generated Node #0,0: 74:[70, 96, 24] Operation: 80-56=24 Exploring Operation: 96-80=16, Resulting Numbers: [56, 70, 16] Generated Node #0,1: 74:[56, 70, 16] Operation: 96-80=16 Exploring Operation: 96-56=40, Resulting Numbers: [80, 70, 40] Generated Node #0,2: 74:[80, 70, 40] Operation: 96-56=40 Exploring Operation: 96-70=26, Resulting Numbers: [56, 80, 26] Generated Node #0,3: 74:[56, 80, 26] Operation: 96-70=26 Moving to Node #0,2 Current State: 74:[80, 70, 40], Operations: ['96-56=40'] Exploring Operation: 80-40=40, Resulting Numbers: [70, 40] Generated Node #0,2,0: 74:[70, 40] Operation: 80-40=40 Exploring Operation: 80/40=2, Resulting Numbers: [70, 2] Generated Node #0,2,1: 74:[70, 2] Operation: 80/40=2 Exploring Operation: 70-40=30, Resulting Numbers: [80, 30] Generated Node #0,2,2: 74:[80, 30] Operation: 70-40=30 Exploring Operation: 80-70=10, Resulting Numbers: [40, 10] Generated Node #0,2,3: 74:[40, 10] Operation: 80-70=10 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 74:[70, 2], Operations: ['96-56=40', '80/40=2'] Exploring Operation: 70*2=140, Resulting Numbers: [140] 140,74 unequal: No Solution Exploring Operation: 70/2=35, Resulting Numbers: [35] 35,74 unequal: No Solution Exploring Operation: 70-2=68, Resulting Numbers: [68] 68,74 unequal: No Solution Exploring Operation: 70+2=72, Resulting Numbers: [72] 72,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 74:[70, 40], Operations: ['96-56=40', '80-40=40'] Exploring Operation: 70*40=2800, Resulting Numbers: [2800] 2800,74 unequal: No Solution Exploring Operation: 70+40=110, Resulting Numbers: [110] 110,74 unequal: No Solution Exploring Operation: 70-40=30, Resulting Numbers: [30] 30,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 74:[40, 10], Operations: ['96-56=40', '80-70=10'] Exploring Operation: 40-10=30, Resulting Numbers: [30] 30,74 unequal: No Solution Exploring Operation: 40*10=400, Resulting Numbers: [400] 400,74 unequal: No Solution Exploring Operation: 40/10=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 40+10=50, Resulting Numbers: [50] 50,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 74:[80, 30], Operations: ['96-56=40', '70-40=30'] Exploring Operation: 80-30=50, Resulting Numbers: [50] 50,74 unequal: No Solution Exploring Operation: 80*30=2400, Resulting Numbers: [2400] 2400,74 unequal: No Solution Exploring Operation: 80+30=110, Resulting Numbers: [110] 110,74 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: 74:[56, 80, 26], Operations: ['96-70=26'] Exploring Operation: 80-56=24, Resulting Numbers: [26, 24] Generated Node #0,3,0: 74:[26, 24] Operation: 80-56=24 Exploring Operation: 80-26=54, Resulting Numbers: [56, 54] Generated Node #0,3,1: 74:[56, 54] Operation: 80-26=54 Exploring Operation: 56+26=82, Resulting Numbers: [80, 82] Generated Node #0,3,2: 74:[80, 82] Operation: 56+26=82 Exploring Operation: 56-26=30, Resulting Numbers: [80, 30] Generated Node #0,3,3: 74:[80, 30] Operation: 56-26=30 Moving to Node #0,1 Current State: 74:[56, 70, 16], Operations: ['96-80=16'] Exploring Operation: 56-16=40, Resulting Numbers: [70, 40] Generated Node #0,1,0: 74:[70, 40] Operation: 56-16=40 Exploring Operation: 56+16=72, Resulting Numbers: [70, 72] Generated Node #0,1,1: 74:[70, 72] Operation: 56+16=72 Exploring Operation: 70-56=14, Resulting Numbers: [16, 14] Generated Node #0,1,2: 74:[16, 14] Operation: 70-56=14 Exploring Operation: 70+16=86, Resulting Numbers: [56, 86] Generated Node #0,1,3: 74:[56, 86] Operation: 70+16=86 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 74:[70, 72], Operations: ['96-80=16', '56+16=72'] Exploring Operation: 70*72=5040, Resulting Numbers: [5040] 5040,74 unequal: No Solution Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,74 unequal: No Solution Exploring Operation: 70+72=142, Resulting Numbers: [142] 142,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 74:[70, 40], Operations: ['96-80=16', '56-16=40'] Exploring Operation: 70*40=2800, Resulting Numbers: [2800] 2800,74 unequal: No Solution Exploring Operation: 70+40=110, Resulting Numbers: [110] 110,74 unequal: No Solution Exploring Operation: 70-40=30, Resulting Numbers: [30] 30,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 74:[16, 14], Operations: ['96-80=16', '70-56=14'] Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,74 unequal: No Solution Exploring Operation: 16*14=224, Resulting Numbers: [224] 224,74 unequal: No Solution Exploring Operation: 16+14=30, Resulting Numbers: [30] 30,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 74:[56, 86], Operations: ['96-80=16', '70+16=86'] Exploring Operation: 56+86=142, Resulting Numbers: [142] 142,74 unequal: No Solution Exploring Operation: 86-56=30, Resulting Numbers: [30] 30,74 unequal: No Solution Exploring Operation: 56*86=4816, Resulting Numbers: [4816] 4816,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 74:[70, 96, 24], Operations: ['80-56=24'] Exploring Operation: 70-24=46, Resulting Numbers: [96, 46] Generated Node #0,0,0: 74:[96, 46] Operation: 70-24=46 Exploring Operation: 96-24=72, Resulting Numbers: [70, 72] Generated Node #0,0,1: 74:[70, 72] Operation: 96-24=72 Exploring Operation: 96-70=26, Resulting Numbers: [24, 26] Generated Node #0,0,2: 74:[24, 26] Operation: 96-70=26 Exploring Operation: 96/24=4, Resulting Numbers: [70, 4] Generated Node #0,0,3: 74:[70, 4] Operation: 96/24=4 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 74:[70, 72], Operations: ['80-56=24', '96-24=72'] Exploring Operation: 70+72=142, Resulting Numbers: [142] 142,74 unequal: No Solution Exploring Operation: 70*72=5040, Resulting Numbers: [5040] 5040,74 unequal: No Solution Exploring Operation: 72-70=2, Resulting Numbers: [2] 2,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 74:[70, 4], Operations: ['80-56=24', '96/24=4'] Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[56, 80, 70, 96], Operations: [] Exploring Operation: 80-56=24, Resulting Numbers: [70, 96, 24] Generated Node #0,0: 74:[70, 96, 24] Operation: 80-56=24 Moving to Node #0,0 Current State: 74:[70, 96, 24], Operations: ['80-56=24'] Exploring Operation: 96/24=4, Resulting Numbers: [70, 4] Generated Node #0,0,3: 74:[70, 4] Operation: 96/24=4 Moving to Node #0,0,3 Current State: 74:[70, 4], Operations: ['80-56=24', '96/24=4'] Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.953125
hs_4
mult_heuristic
[ 98, 90, 33, 63 ]
22
[ "98-90=8", "63-33=30", "30-8=22" ]
Current State: 22:[98, 90, 33, 63], Operations: [] Exploring Operation: 98-90=8, Resulting Numbers: [33, 63, 8] Generated Node #2: [33, 63, 8] from Operation: 98-90=8 Current State: 22:[33, 63, 8], Operations: ['98-90=8'] Exploring Operation: 63-33=30, Resulting Numbers: [8, 30] Generated Node #3: [8, 30] from Operation: 63-33=30 Current State: 22:[8, 30], Operations: ['98-90=8', '63-33=30'] Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[98, 90, 33, 63], Operations: [] Exploring Operation: 98-90=8, Resulting Numbers: [33, 63, 8] Generated Node #0,0: 22:[33, 63, 8] Operation: 98-90=8 Exploring Operation: 98-63=35, Resulting Numbers: [90, 33, 35] Generated Node #0,1: 22:[90, 33, 35] Operation: 98-63=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[33, 63, 8], Operations: ['98-90=8'] Exploring Operation: 33-8=25, Resulting Numbers: [63, 25] Generated Node #0,0,0: 22:[63, 25] Operation: 33-8=25 Exploring Operation: 63-33=30, Resulting Numbers: [8, 30] Generated Node #0,0,1: 22:[8, 30] Operation: 63-33=30 Moving to Node #0,0,1 Current State: 22:[8, 30], Operations: ['98-90=8', '63-33=30'] Exploring Operation: 8+30=38, Resulting Numbers: [38] 38,22 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[98, 90, 33, 63], Operations: [] Exploring Operation: 98-90=8, Resulting Numbers: [33, 63, 8] Generated Node #0,0: 22:[33, 63, 8] Operation: 98-90=8 Moving to Node #0,0 Current State: 22:[33, 63, 8], Operations: ['98-90=8'] Exploring Operation: 63-33=30, Resulting Numbers: [8, 30] Generated Node #0,0,1: 22:[8, 30] Operation: 63-33=30 Moving to Node #0,0,1 Current State: 22:[8, 30], Operations: ['98-90=8', '63-33=30'] Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 36, 83, 3, 11 ]
60
[ "36/3=12", "83-11=72", "72-12=60" ]
Current State: 60:[36, 83, 3, 11], Operations: [] Exploring Operation: 36/3=12, Resulting Numbers: [83, 11, 12] Generated Node #2: [83, 11, 12] from Operation: 36/3=12 Current State: 60:[83, 11, 12], Operations: ['36/3=12'] Exploring Operation: 83-11=72, Resulting Numbers: [12, 72] Generated Node #3: [12, 72] from Operation: 83-11=72 Current State: 60:[12, 72], Operations: ['36/3=12', '83-11=72'] Exploring Operation: 72-12=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[36, 83, 3, 11], Operations: [] Exploring Operation: 36-3=33, Resulting Numbers: [83, 11, 33] Generated Node #0,0: 60:[83, 11, 33] Operation: 36-3=33 Exploring Operation: 36/3=12, Resulting Numbers: [83, 11, 12] Generated Node #0,1: 60:[83, 11, 12] Operation: 36/3=12 Exploring Operation: 83-11=72, Resulting Numbers: [36, 3, 72] Generated Node #0,2: 60:[36, 3, 72] Operation: 83-11=72 Exploring Operation: 83-36=47, Resulting Numbers: [3, 11, 47] Generated Node #0,3: 60:[3, 11, 47] Operation: 83-36=47 Moving to Node #0,3 Current State: 60:[3, 11, 47], Operations: ['83-36=47'] Exploring Operation: 3+47=50, Resulting Numbers: [11, 50] Generated Node #0,3,0: 60:[11, 50] Operation: 3+47=50 Exploring Operation: 3+11=14, Resulting Numbers: [47, 14] Generated Node #0,3,1: 60:[47, 14] Operation: 3+11=14 Exploring Operation: 11+47=58, Resulting Numbers: [3, 58] Generated Node #0,3,2: 60:[3, 58] Operation: 11+47=58 Exploring Operation: 47-11=36, Resulting Numbers: [3, 36] Generated Node #0,3,3: 60:[3, 36] Operation: 47-11=36 Moving to Node #0,2 Current State: 60:[36, 3, 72], Operations: ['83-11=72'] Exploring Operation: 72/36=2, Resulting Numbers: [3, 2] Generated Node #0,2,0: 60:[3, 2] Operation: 72/36=2 Exploring Operation: 36/3=12, Resulting Numbers: [72, 12] Generated Node #0,2,1: 60:[72, 12] Operation: 36/3=12 Exploring Operation: 72/3=24, Resulting Numbers: [36, 24] Generated Node #0,2,2: 60:[36, 24] Operation: 72/3=24 Exploring Operation: 72-36=36, Resulting Numbers: [3, 36] Generated Node #0,2,3: 60:[3, 36] Operation: 72-36=36 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 60:[3, 2], Operations: ['83-11=72', '72/36=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,60 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 60:[3, 36], Operations: ['83-11=72', '72-36=36'] Exploring Operation: 3+36=39, Resulting Numbers: [39] 39,60 unequal: No Solution Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 36-3=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 3*36=108, Resulting Numbers: [108] 108,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 60:[36, 24], Operations: ['83-11=72', '72/3=24'] Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,60 unequal: No Solution Exploring Operation: 36*24=864, Resulting Numbers: [864] 864,60 unequal: No Solution Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[36, 83, 3, 11], Operations: [] Exploring Operation: 83-11=72, Resulting Numbers: [36, 3, 72] Generated Node #0,2: 60:[36, 3, 72] Operation: 83-11=72 Moving to Node #0,2 Current State: 60:[36, 3, 72], Operations: ['83-11=72'] Exploring Operation: 72/3=24, Resulting Numbers: [36, 24] Generated Node #0,2,2: 60:[36, 24] Operation: 72/3=24 Moving to Node #0,2,2 Current State: 60:[36, 24], Operations: ['83-11=72', '72/3=24'] Exploring Operation: 36+24=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_4
mult_heuristic
[ 20, 27, 3, 45 ]
49
[ "27-20=7", "45-3=42", "7+42=49" ]
Current State: 49:[20, 27, 3, 45], Operations: [] Exploring Operation: 27-20=7, Resulting Numbers: [3, 45, 7] Generated Node #2: [3, 45, 7] from Operation: 27-20=7 Current State: 49:[3, 45, 7], Operations: ['27-20=7'] Exploring Operation: 45-3=42, Resulting Numbers: [7, 42] Generated Node #3: [7, 42] from Operation: 45-3=42 Current State: 49:[7, 42], Operations: ['27-20=7', '45-3=42'] Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[20, 27, 3, 45], Operations: [] Exploring Operation: 27-20=7, Resulting Numbers: [3, 45, 7] Generated Node #0,0: 49:[3, 45, 7] Operation: 27-20=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[3, 45, 7], Operations: ['27-20=7'] Exploring Operation: 3+45=48, Resulting Numbers: [7, 48] Generated Node #0,0,0: 49:[7, 48] Operation: 3+45=48 Moving to Node #0,0,0 Current State: 49:[7, 48], Operations: ['27-20=7', '3+45=48'] Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,49 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
[ 56, 90, 6, 24 ]
51
[ "24-6=18", "90/18=5", "56-5=51" ]
Current State: 51:[56, 90, 6, 24], Operations: [] Exploring Operation: 24-6=18, Resulting Numbers: [56, 90, 18] Generated Node #2: [56, 90, 18] from Operation: 24-6=18 Current State: 51:[56, 90, 18], Operations: ['24-6=18'] Exploring Operation: 90/18=5, Resulting Numbers: [56, 5] Generated Node #3: [56, 5] from Operation: 90/18=5 Current State: 51:[56, 5], Operations: ['24-6=18', '90/18=5'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[56, 90, 6, 24], Operations: [] Exploring Operation: 90/6=15, Resulting Numbers: [56, 24, 15] Generated Node #0,0: 51:[56, 24, 15] Operation: 90/6=15 Moving to Node #0,0 Current State: 51:[56, 24, 15], Operations: ['90/6=15'] Exploring Operation: 24-15=9, Resulting Numbers: [56, 9] Generated Node #0,0,0: 51:[56, 9] Operation: 24-15=9 Moving to Node #0,0,0 Current State: 51:[56, 9], Operations: ['90/6=15', '24-15=9'] Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,51 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 89, 16, 14, 45 ]
14
[ "89-16=73", "14+45=59", "73-59=14" ]
Current State: 14:[89, 16, 14, 45], Operations: [] Exploring Operation: 89-16=73, Resulting Numbers: [14, 45, 73] Generated Node #2: [14, 45, 73] from Operation: 89-16=73 Current State: 14:[14, 45, 73], Operations: ['89-16=73'] Exploring Operation: 14+45=59, Resulting Numbers: [73, 59] Generated Node #3: [73, 59] from Operation: 14+45=59 Current State: 14:[73, 59], Operations: ['89-16=73', '14+45=59'] Exploring Operation: 73-59=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[89, 16, 14, 45], Operations: [] Exploring Operation: 89-45=44, Resulting Numbers: [16, 14, 44] Generated Node #0,0: 14:[16, 14, 44] Operation: 89-45=44 Exploring Operation: 89-16=73, Resulting Numbers: [14, 45, 73] Generated Node #0,1: 14:[14, 45, 73] Operation: 89-16=73 Exploring Operation: 45-16=29, Resulting Numbers: [89, 14, 29] Generated Node #0,2: 14:[89, 14, 29] Operation: 45-16=29 Exploring Operation: 89-14=75, Resulting Numbers: [16, 45, 75] Generated Node #0,3: 14:[16, 45, 75] Operation: 89-14=75 Moving to Node #0,0 Current State: 14:[16, 14, 44], Operations: ['89-45=44'] Exploring Operation: 16-14=2, Resulting Numbers: [44, 2] Generated Node #0,0,0: 14:[44, 2] Operation: 16-14=2 Exploring Operation: 44-16=28, Resulting Numbers: [14, 28] Generated Node #0,0,1: 14:[14, 28] Operation: 44-16=28 Exploring Operation: 44-14=30, Resulting Numbers: [16, 30] Generated Node #0,0,2: 14:[16, 30] Operation: 44-14=30 Exploring Operation: 16+14=30, Resulting Numbers: [44, 30] Generated Node #0,0,3: 14:[44, 30] Operation: 16+14=30 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 14:[14, 28], Operations: ['89-45=44', '44-16=28'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[89, 16, 14, 45], Operations: [] Exploring Operation: 89-45=44, Resulting Numbers: [16, 14, 44] Generated Node #0,0: 14:[16, 14, 44] Operation: 89-45=44 Moving to Node #0,0 Current State: 14:[16, 14, 44], Operations: ['89-45=44'] Exploring Operation: 44-16=28, Resulting Numbers: [14, 28] Generated Node #0,0,1: 14:[14, 28] Operation: 44-16=28 Moving to Node #0,0,1 Current State: 14:[14, 28], Operations: ['89-45=44', '44-16=28'] Exploring Operation: 28-14=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 31, 7, 8, 37 ]
90
[ "37-31=6", "7+8=15", "6*15=90" ]
Current State: 90:[31, 7, 8, 37], Operations: [] Exploring Operation: 37-31=6, Resulting Numbers: [7, 8, 6] Generated Node #2: [7, 8, 6] from Operation: 37-31=6 Current State: 90:[7, 8, 6], Operations: ['37-31=6'] Exploring Operation: 7+8=15, Resulting Numbers: [6, 15] Generated Node #3: [6, 15] from Operation: 7+8=15 Current State: 90:[6, 15], Operations: ['37-31=6', '7+8=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[31, 7, 8, 37], Operations: [] Exploring Operation: 8+37=45, Resulting Numbers: [31, 7, 45] Generated Node #0,0: 90:[31, 7, 45] Operation: 8+37=45 Exploring Operation: 37-31=6, Resulting Numbers: [7, 8, 6] Generated Node #0,1: 90:[7, 8, 6] Operation: 37-31=6 Exploring Operation: 37-7=30, Resulting Numbers: [31, 8, 30] Generated Node #0,2: 90:[31, 8, 30] Operation: 37-7=30 Moving to Node #0,0 Current State: 90:[31, 7, 45], Operations: ['8+37=45'] Exploring Operation: 31-7=24, Resulting Numbers: [45, 24] Generated Node #0,0,0: 90:[45, 24] Operation: 31-7=24 Exploring Operation: 45-31=14, Resulting Numbers: [7, 14] Generated Node #0,0,1: 90:[7, 14] Operation: 45-31=14 Exploring Operation: 31+7=38, Resulting Numbers: [45, 38] Generated Node #0,0,2: 90:[45, 38] Operation: 31+7=38 Moving to Node #0,1 Current State: 90:[7, 8, 6], Operations: ['37-31=6'] Exploring Operation: 7+8=15, Resulting Numbers: [6, 15] Generated Node #0,1,0: 90:[6, 15] Operation: 7+8=15 Exploring Operation: 8-7=1, Resulting Numbers: [6, 1] Generated Node #0,1,1: 90:[6, 1] Operation: 8-7=1 Exploring Operation: 8-6=2, Resulting Numbers: [7, 2] Generated Node #0,1,2: 90:[7, 2] Operation: 8-6=2 Moving to Node #0,2 Current State: 90:[31, 8, 30], Operations: ['37-7=30'] Exploring Operation: 31-30=1, Resulting Numbers: [8, 1] Generated Node #0,2,0: 90:[8, 1] Operation: 31-30=1 Exploring Operation: 30-8=22, Resulting Numbers: [31, 22] Generated Node #0,2,1: 90:[31, 22] Operation: 30-8=22 Exploring Operation: 31-8=23, Resulting Numbers: [30, 23] Generated Node #0,2,2: 90:[30, 23] Operation: 31-8=23 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[8, 1], Operations: ['37-7=30', '31-30=1'] Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,90 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 #0,2,1 Current State: 90:[31, 22], Operations: ['37-7=30', '30-8=22'] Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 31*22=682, Resulting Numbers: [682] 682,90 unequal: No Solution Exploring Operation: 31+22=53, Resulting Numbers: [53] 53,90 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 #0,2,2 Current State: 90:[30, 23], Operations: ['37-7=30', '31-8=23'] Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,90 unequal: No Solution Exploring Operation: 30*23=690, Resulting Numbers: [690] 690,90 unequal: No Solution Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,90 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: 90:[6, 15], Operations: ['37-31=6', '7+8=15'] Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,90 unequal: No Solution Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[31, 7, 8, 37], Operations: [] Exploring Operation: 37-31=6, Resulting Numbers: [7, 8, 6] Generated Node #0,1: 90:[7, 8, 6] Operation: 37-31=6 Moving to Node #0,1 Current State: 90:[7, 8, 6], Operations: ['37-31=6'] Exploring Operation: 7+8=15, Resulting Numbers: [6, 15] Generated Node #0,1,0: 90:[6, 15] Operation: 7+8=15 Moving to Node #0,1,0 Current State: 90:[6, 15], Operations: ['37-31=6', '7+8=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 69, 35, 5, 55 ]
94
[ "69-35=34", "5+55=60", "34+60=94" ]
Current State: 94:[69, 35, 5, 55], Operations: [] Exploring Operation: 69-35=34, Resulting Numbers: [5, 55, 34] Generated Node #2: [5, 55, 34] from Operation: 69-35=34 Current State: 94:[5, 55, 34], Operations: ['69-35=34'] Exploring Operation: 5+55=60, Resulting Numbers: [34, 60] Generated Node #3: [34, 60] from Operation: 5+55=60 Current State: 94:[34, 60], Operations: ['69-35=34', '5+55=60'] Exploring Operation: 34+60=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[69, 35, 5, 55], Operations: [] Exploring Operation: 35/5=7, Resulting Numbers: [69, 55, 7] Generated Node #0,0: 94:[69, 55, 7] Operation: 35/5=7 Exploring Operation: 69-35=34, Resulting Numbers: [5, 55, 34] Generated Node #0,1: 94:[5, 55, 34] Operation: 69-35=34 Exploring Operation: 35+55=90, Resulting Numbers: [69, 5, 90] Generated Node #0,2: 94:[69, 5, 90] Operation: 35+55=90 Exploring Operation: 69-55=14, Resulting Numbers: [35, 5, 14] Generated Node #0,3: 94:[35, 5, 14] Operation: 69-55=14 Exploring Operation: 69+35=104, Resulting Numbers: [5, 55, 104] Generated Node #0,4: 94:[5, 55, 104] Operation: 69+35=104 Start Sub Search at level 1: Moving to Node #0,4 Current State: 94:[5, 55, 104], Operations: ['69+35=104'] Exploring Operation: 55/5=11, Resulting Numbers: [104, 11] Generated Node #0,4,0: 94:[104, 11] Operation: 55/5=11 Exploring Operation: 55-5=50, Resulting Numbers: [104, 50] Generated Node #0,4,1: 94:[104, 50] Operation: 55-5=50 Exploring Operation: 104-5=99, Resulting Numbers: [55, 99] Generated Node #0,4,2: 94:[55, 99] Operation: 104-5=99 Exploring Operation: 5+55=60, Resulting Numbers: [104, 60] Generated Node #0,4,3: 94:[104, 60] Operation: 5+55=60 Exploring Operation: 104-55=49, Resulting Numbers: [5, 49] Generated Node #0,4,4: 94:[5, 49] Operation: 104-55=49 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 94:[5, 49], Operations: ['69+35=104', '104-55=49'] Exploring Operation: 5*49=245, Resulting Numbers: [245] 245,94 unequal: No Solution Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,94 unequal: No Solution Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 94:[104, 50], Operations: ['69+35=104', '55-5=50'] Exploring Operation: 104*50=5200, Resulting Numbers: [5200] 5200,94 unequal: No Solution Exploring Operation: 104+50=154, Resulting Numbers: [154] 154,94 unequal: No Solution Exploring Operation: 104-50=54, Resulting Numbers: [54] 54,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 94:[55, 99], Operations: ['69+35=104', '104-5=99'] Exploring Operation: 55*99=5445, Resulting Numbers: [5445] 5445,94 unequal: No Solution Exploring Operation: 55+99=154, Resulting Numbers: [154] 154,94 unequal: No Solution Exploring Operation: 99-55=44, Resulting Numbers: [44] 44,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 94:[104, 11], Operations: ['69+35=104', '55/5=11'] Exploring Operation: 104*11=1144, Resulting Numbers: [1144] 1144,94 unequal: No Solution Exploring Operation: 104-11=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 104+11=115, Resulting Numbers: [115] 115,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 94:[104, 60], Operations: ['69+35=104', '5+55=60'] Exploring Operation: 104*60=6240, Resulting Numbers: [6240] 6240,94 unequal: No Solution Exploring Operation: 104-60=44, Resulting Numbers: [44] 44,94 unequal: No Solution Exploring Operation: 104+60=164, Resulting Numbers: [164] 164,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[5, 55, 34], Operations: ['69-35=34'] Exploring Operation: 55+34=89, Resulting Numbers: [5, 89] Generated Node #0,1,0: 94:[5, 89] Operation: 55+34=89 Exploring Operation: 55-34=21, Resulting Numbers: [5, 21] Generated Node #0,1,1: 94:[5, 21] Operation: 55-34=21 Exploring Operation: 5+34=39, Resulting Numbers: [55, 39] Generated Node #0,1,2: 94:[55, 39] Operation: 5+34=39 Exploring Operation: 55/5=11, Resulting Numbers: [34, 11] Generated Node #0,1,3: 94:[34, 11] Operation: 55/5=11 Exploring Operation: 55-5=50, Resulting Numbers: [34, 50] Generated Node #0,1,4: 94:[34, 50] Operation: 55-5=50 Moving to Node #0,1,0 Current State: 94:[5, 89], Operations: ['69-35=34', '55+34=89'] Exploring Operation: 5+89=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[69, 35, 5, 55], Operations: [] Exploring Operation: 69-35=34, Resulting Numbers: [5, 55, 34] Generated Node #0,1: 94:[5, 55, 34] Operation: 69-35=34 Moving to Node #0,1 Current State: 94:[5, 55, 34], Operations: ['69-35=34'] Exploring Operation: 55+34=89, Resulting Numbers: [5, 89] Generated Node #0,1,0: 94:[5, 89] Operation: 55+34=89 Moving to Node #0,1,0 Current State: 94:[5, 89], Operations: ['69-35=34', '55+34=89'] Exploring Operation: 5+89=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_5
mult_heuristic
[ 27, 63, 25, 14 ]
91
[ "27-25=2", "14*2=28", "63+28=91" ]
Current State: 91:[27, 63, 25, 14], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [63, 14, 2] Generated Node #2: [63, 14, 2] from Operation: 27-25=2 Current State: 91:[63, 14, 2], Operations: ['27-25=2'] Exploring Operation: 14*2=28, Resulting Numbers: [63, 28] Generated Node #3: [63, 28] from Operation: 14*2=28 Current State: 91:[63, 28], Operations: ['27-25=2', '14*2=28'] Exploring Operation: 63+28=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[27, 63, 25, 14], Operations: [] Exploring Operation: 27+63=90, Resulting Numbers: [25, 14, 90] Generated Node #0,0: 91:[25, 14, 90] Operation: 27+63=90 Exploring Operation: 63+25=88, Resulting Numbers: [27, 14, 88] Generated Node #0,1: 91:[27, 14, 88] Operation: 63+25=88 Moving to Node #0,0 Current State: 91:[25, 14, 90], Operations: ['27+63=90'] Exploring Operation: 25-14=11, Resulting Numbers: [90, 11] Generated Node #0,0,0: 91:[90, 11] Operation: 25-14=11 Exploring Operation: 25+90=115, Resulting Numbers: [14, 115] Generated Node #0,0,1: 91:[14, 115] Operation: 25+90=115 Moving to Node #0,1 Current State: 91:[27, 14, 88], Operations: ['63+25=88'] Exploring Operation: 27-14=13, Resulting Numbers: [88, 13] Generated Node #0,1,0: 91:[88, 13] Operation: 27-14=13 Exploring Operation: 27+88=115, Resulting Numbers: [14, 115] Generated Node #0,1,1: 91:[14, 115] Operation: 27+88=115 Moving to Node #0,0,0 Current State: 91:[90, 11], Operations: ['27+63=90', '25-14=11'] Exploring Operation: 90+11=101, Resulting Numbers: [101] 101,91 unequal: No Solution Exploring Operation: 90-11=79, Resulting Numbers: [79] 79,91 unequal: No Solution Moving to Node #0,1,0 Current State: 91:[88, 13], Operations: ['63+25=88', '27-14=13'] Exploring Operation: 88+13=101, Resulting Numbers: [101] 101,91 unequal: No Solution Exploring Operation: 88-13=75, Resulting Numbers: [75] 75,91 unequal: No Solution Moving to Node #0,0,1 Current State: 91:[14, 115], Operations: ['27+63=90', '25+90=115'] Exploring Operation: 115-14=101, Resulting Numbers: [101] 101,91 unequal: No Solution Exploring Operation: 14+115=129, Resulting Numbers: [129] 129,91 unequal: No Solution Moving to Node #0,1,1 Current State: 91:[14, 115], Operations: ['63+25=88', '27+88=115'] Exploring Operation: 14+115=129, Resulting Numbers: [129] 129,91 unequal: No Solution Exploring Operation: 115-14=101, Resulting Numbers: [101] 101,91 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 74, 18, 5, 16 ]
22
[ "74*5=370", "370-18=352", "352/16=22" ]
Current State: 22:[74, 18, 5, 16], Operations: [] Exploring Operation: 74*5=370, Resulting Numbers: [18, 16, 370] Generated Node #2: [18, 16, 370] from Operation: 74*5=370 Current State: 22:[18, 16, 370], Operations: ['74*5=370'] Exploring Operation: 370-18=352, Resulting Numbers: [16, 352] Generated Node #3: [16, 352] from Operation: 370-18=352 Current State: 22:[16, 352], Operations: ['74*5=370', '370-18=352'] Exploring Operation: 352/16=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[74, 18, 5, 16], Operations: [] Exploring Operation: 74-5=69, Resulting Numbers: [18, 16, 69] Generated Node #0,0: 22:[18, 16, 69] Operation: 74-5=69 Exploring Operation: 74-18=56, Resulting Numbers: [5, 16, 56] Generated Node #0,1: 22:[5, 16, 56] Operation: 74-18=56 Exploring Operation: 74-16=58, Resulting Numbers: [18, 5, 58] Generated Node #0,2: 22:[18, 5, 58] Operation: 74-16=58 Exploring Operation: 18-16=2, Resulting Numbers: [74, 5, 2] Generated Node #0,3: 22:[74, 5, 2] Operation: 18-16=2 Moving to Node #0,1 Current State: 22:[5, 16, 56], Operations: ['74-18=56'] Exploring Operation: 5+16=21, Resulting Numbers: [56, 21] Generated Node #0,1,0: 22:[56, 21] Operation: 5+16=21 Exploring Operation: 56-16=40, Resulting Numbers: [5, 40] Generated Node #0,1,1: 22:[5, 40] Operation: 56-16=40 Exploring Operation: 56-5=51, Resulting Numbers: [16, 51] Generated Node #0,1,2: 22:[16, 51] Operation: 56-5=51 Exploring Operation: 16-5=11, Resulting Numbers: [56, 11] Generated Node #0,1,3: 22:[56, 11] Operation: 16-5=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 22:[5, 40], Operations: ['74-18=56', '56-16=40'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,22 unequal: No Solution Exploring Operation: 5*40=200, Resulting Numbers: [200] 200,22 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,22 unequal: No Solution No 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: 22:[16, 51], Operations: ['74-18=56', '56-5=51'] Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 16+51=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 16*51=816, Resulting Numbers: [816] 816,22 unequal: No Solution No 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: 22:[56, 11], Operations: ['74-18=56', '16-5=11'] Exploring Operation: 56*11=616, Resulting Numbers: [616] 616,22 unequal: No Solution Exploring Operation: 56-11=45, Resulting Numbers: [45] 45,22 unequal: No Solution Exploring Operation: 56+11=67, Resulting Numbers: [67] 67,22 unequal: No Solution No 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: 22:[56, 21], Operations: ['74-18=56', '5+16=21'] Exploring Operation: 56*21=1176, Resulting Numbers: [1176] 1176,22 unequal: No Solution Exploring Operation: 56-21=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 56+21=77, Resulting Numbers: [77] 77,22 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: 22:[18, 5, 58], Operations: ['74-16=58'] Exploring Operation: 58-5=53, Resulting Numbers: [18, 53] Generated Node #0,2,0: 22:[18, 53] Operation: 58-5=53 Exploring Operation: 18-5=13, Resulting Numbers: [58, 13] Generated Node #0,2,1: 22:[58, 13] Operation: 18-5=13 Exploring Operation: 58-18=40, Resulting Numbers: [5, 40] Generated Node #0,2,2: 22:[5, 40] Operation: 58-18=40 Exploring Operation: 18+5=23, Resulting Numbers: [58, 23] Generated Node #0,2,3: 22:[58, 23] Operation: 18+5=23 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 22:[5, 40], Operations: ['74-16=58', '58-18=40'] Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,22 unequal: No Solution Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,22 unequal: No Solution Exploring Operation: 5*40=200, Resulting Numbers: [200] 200,22 unequal: No Solution No 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: 22:[18, 53], Operations: ['74-16=58', '58-5=53'] Exploring Operation: 18+53=71, Resulting Numbers: [71] 71,22 unequal: No Solution Exploring Operation: 53-18=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 18*53=954, Resulting Numbers: [954] 954,22 unequal: No Solution No 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: 22:[58, 23], Operations: ['74-16=58', '18+5=23'] Exploring Operation: 58-23=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 58+23=81, Resulting Numbers: [81] 81,22 unequal: No Solution Exploring Operation: 58*23=1334, Resulting Numbers: [1334] 1334,22 unequal: No Solution No 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: 22:[58, 13], Operations: ['74-16=58', '18-5=13'] Exploring Operation: 58-13=45, Resulting Numbers: [45] 45,22 unequal: No Solution Exploring Operation: 58+13=71, Resulting Numbers: [71] 71,22 unequal: No Solution Exploring Operation: 58*13=754, Resulting Numbers: [754] 754,22 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: 22:[74, 5, 2], Operations: ['18-16=2'] Exploring Operation: 74-2=72, Resulting Numbers: [5, 72] Generated Node #0,3,0: 22:[5, 72] Operation: 74-2=72 Exploring Operation: 5*2=10, Resulting Numbers: [74, 10] Generated Node #0,3,1: 22:[74, 10] Operation: 5*2=10 Exploring Operation: 74-5=69, Resulting Numbers: [2, 69] Generated Node #0,3,2: 22:[2, 69] Operation: 74-5=69 Exploring Operation: 74/2=37, Resulting Numbers: [5, 37] Generated Node #0,3,3: 22:[5, 37] Operation: 74/2=37 Moving to Node #0,0 Current State: 22:[18, 16, 69], Operations: ['74-5=69'] Exploring Operation: 18-16=2, Resulting Numbers: [69, 2] Generated Node #0,0,0: 22:[69, 2] Operation: 18-16=2 Exploring Operation: 18+16=34, Resulting Numbers: [69, 34] Generated Node #0,0,1: 22:[69, 34] Operation: 18+16=34 Exploring Operation: 69-16=53, Resulting Numbers: [18, 53] Generated Node #0,0,2: 22:[18, 53] Operation: 69-16=53 Exploring Operation: 69-18=51, Resulting Numbers: [16, 51] Generated Node #0,0,3: 22:[16, 51] Operation: 69-18=51 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 22:[16, 51], Operations: ['74-5=69', '69-18=51'] Exploring Operation: 16*51=816, Resulting Numbers: [816] 816,22 unequal: No Solution Exploring Operation: 51-16=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 16+51=67, Resulting Numbers: [67] 67,22 unequal: No Solution No 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: 22:[18, 53], Operations: ['74-5=69', '69-16=53'] Exploring Operation: 18*53=954, Resulting Numbers: [954] 954,22 unequal: No Solution Exploring Operation: 53-18=35, Resulting Numbers: [35] 35,22 unequal: No Solution Exploring Operation: 18+53=71, Resulting Numbers: [71] 71,22 unequal: No Solution No 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: 22:[69, 2], Operations: ['74-5=69', '18-16=2'] Exploring Operation: 69*2=138, Resulting Numbers: [138] 138,22 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,22 unequal: No Solution No 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: 22:[69, 34], Operations: ['74-5=69', '18+16=34'] Exploring Operation: 69+34=103, Resulting Numbers: [103] 103,22 unequal: No Solution Exploring Operation: 69*34=2346, Resulting Numbers: [2346] 2346,22 unequal: No Solution Exploring Operation: 69-34=35, Resulting Numbers: [35] 35,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 22:[5, 37], Operations: ['18-16=2', '74/2=37'] Exploring Operation: 5+37=42, Resulting Numbers: [42] 42,22 unequal: No Solution Exploring Operation: 5*37=185, Resulting Numbers: [185] 185,22 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,22 unequal: No Solution Moving to Node #0,3,2 Current State: 22:[2, 69], Operations: ['18-16=2', '74-5=69'] Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,22 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,22 unequal: No Solution Moving to Node #0,3,1 Current State: 22:[74, 10], Operations: ['18-16=2', '5*2=10'] Exploring Operation: 74+10=84, Resulting Numbers: [84] 84,22 unequal: No Solution Exploring Operation: 74-10=64, Resulting Numbers: [64] 64,22 unequal: No Solution Exploring Operation: 74*10=740, Resulting Numbers: [740] 740,22 unequal: No Solution Moving to Node #0,3,0 Current State: 22:[5, 72], Operations: ['18-16=2', '74-2=72'] Exploring Operation: 72-5=67, Resulting Numbers: [67] 67,22 unequal: No Solution Exploring Operation: 5+72=77, Resulting Numbers: [77] 77,22 unequal: No Solution Exploring Operation: 5*72=360, Resulting Numbers: [360] 360,22 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 51, 35, 17, 19 ]
88
[ "51+35=86", "19-17=2", "86+2=88" ]
Current State: 88:[51, 35, 17, 19], Operations: [] Exploring Operation: 51+35=86, Resulting Numbers: [17, 19, 86] Generated Node #2: [17, 19, 86] from Operation: 51+35=86 Current State: 88:[17, 19, 86], Operations: ['51+35=86'] Exploring Operation: 19-17=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 19-17=2 Current State: 88:[86, 2], Operations: ['51+35=86', '19-17=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[51, 35, 17, 19], Operations: [] Exploring Operation: 51/17=3, Resulting Numbers: [35, 19, 3] Generated Node #0,0: 88:[35, 19, 3] Operation: 51/17=3 Exploring Operation: 51+35=86, Resulting Numbers: [17, 19, 86] Generated Node #0,1: 88:[17, 19, 86] Operation: 51+35=86 Exploring Operation: 51-35=16, Resulting Numbers: [17, 19, 16] Generated Node #0,2: 88:[17, 19, 16] Operation: 51-35=16 Moving to Node #0,1 Current State: 88:[17, 19, 86], Operations: ['51+35=86'] Exploring Operation: 19-17=2, Resulting Numbers: [86, 2] Generated Node #0,1,0: 88:[86, 2] Operation: 19-17=2 Exploring Operation: 17+86=103, Resulting Numbers: [19, 103] Generated Node #0,1,1: 88:[19, 103] Operation: 17+86=103 Exploring Operation: 17+19=36, Resulting Numbers: [86, 36] Generated Node #0,1,2: 88:[86, 36] Operation: 17+19=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 88:[86, 2], Operations: ['51+35=86', '19-17=2'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,88 unequal: No Solution Exploring Operation: 86-2=84, Resulting Numbers: [84] 84,88 unequal: No Solution Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Moving to Node #0 Current State: 88:[51, 35, 17, 19], Operations: [] Exploring Operation: 51+35=86, Resulting Numbers: [17, 19, 86] Generated Node #0,1: 88:[17, 19, 86] Operation: 51+35=86 Moving to Node #0,1 Current State: 88:[17, 19, 86], Operations: ['51+35=86'] Exploring Operation: 19-17=2, Resulting Numbers: [86, 2] Generated Node #0,1,0: 88:[86, 2] Operation: 19-17=2 Moving to Node #0,1,0 Current State: 88:[86, 2], Operations: ['51+35=86', '19-17=2'] Exploring Operation: 86+2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 80, 82, 28, 23 ]
49
[ "82-80=2", "28+23=51", "51-2=49" ]
Current State: 49:[80, 82, 28, 23], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [28, 23, 2] Generated Node #2: [28, 23, 2] from Operation: 82-80=2 Current State: 49:[28, 23, 2], Operations: ['82-80=2'] Exploring Operation: 28+23=51, Resulting Numbers: [2, 51] Generated Node #3: [2, 51] from Operation: 28+23=51 Current State: 49:[2, 51], Operations: ['82-80=2', '28+23=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[80, 82, 28, 23], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [28, 23, 2] Generated Node #0,0: 49:[28, 23, 2] Operation: 82-80=2 Exploring Operation: 80-23=57, Resulting Numbers: [82, 28, 57] Generated Node #0,1: 49:[82, 28, 57] Operation: 80-23=57 Exploring Operation: 82-23=59, Resulting Numbers: [80, 28, 59] Generated Node #0,2: 49:[80, 28, 59] Operation: 82-23=59 Exploring Operation: 80-28=52, Resulting Numbers: [82, 23, 52] Generated Node #0,3: 49:[82, 23, 52] Operation: 80-28=52 Exploring Operation: 82-28=54, Resulting Numbers: [80, 23, 54] Generated Node #0,4: 49:[80, 23, 54] Operation: 82-28=54 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[28, 23, 2], Operations: ['82-80=2'] Exploring Operation: 28-23=5, Resulting Numbers: [2, 5] Generated Node #0,0,0: 49:[2, 5] Operation: 28-23=5 Exploring Operation: 28/2=14, Resulting Numbers: [23, 14] Generated Node #0,0,1: 49:[23, 14] Operation: 28/2=14 Exploring Operation: 28*2=56, Resulting Numbers: [23, 56] Generated Node #0,0,2: 49:[23, 56] Operation: 28*2=56 Exploring Operation: 28+23=51, Resulting Numbers: [2, 51] Generated Node #0,0,3: 49:[2, 51] Operation: 28+23=51 Exploring Operation: 23*2=46, Resulting Numbers: [28, 46] Generated Node #0,0,4: 49:[28, 46] Operation: 23*2=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 49:[2, 5], Operations: ['82-80=2', '28-23=5'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,49 unequal: No Solution Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,49 unequal: No Solution No 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: 49:[2, 51], Operations: ['82-80=2', '28+23=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[80, 82, 28, 23], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [28, 23, 2] Generated Node #0,0: 49:[28, 23, 2] Operation: 82-80=2 Moving to Node #0,0 Current State: 49:[28, 23, 2], Operations: ['82-80=2'] Exploring Operation: 28+23=51, Resulting Numbers: [2, 51] Generated Node #0,0,3: 49:[2, 51] Operation: 28+23=51 Moving to Node #0,0,3 Current State: 49:[2, 51], Operations: ['82-80=2', '28+23=51'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
sum_heuristic
[ 83, 23, 9, 9 ]
88
[ "83+23=106", "9+9=18", "106-18=88" ]
Current State: 88:[83, 23, 9, 9], Operations: [] Exploring Operation: 83+23=106, Resulting Numbers: [9, 9, 106] Generated Node #2: [9, 9, 106] from Operation: 83+23=106 Current State: 88:[9, 9, 106], Operations: ['83+23=106'] Exploring Operation: 9+9=18, Resulting Numbers: [106, 18] Generated Node #3: [106, 18] from Operation: 9+9=18 Current State: 88:[106, 18], Operations: ['83+23=106', '9+9=18'] Exploring Operation: 106-18=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[83, 23, 9, 9], Operations: [] Exploring Operation: 9-9=0, Resulting Numbers: [83, 23, 0] Generated Node #0,0: 88:[83, 23, 0] Operation: 9-9=0 Exploring Operation: 83+9=92, Resulting Numbers: [23, 9, 92] Generated Node #0,1: 88:[23, 9, 92] Operation: 83+9=92 Exploring Operation: 9/9=1, Resulting Numbers: [83, 23, 1] Generated Node #0,2: 88:[83, 23, 1] Operation: 9/9=1 Exploring Operation: 83+9=92, Resulting Numbers: [23, 9, 92] Generated Node #0,3: 88:[23, 9, 92] Operation: 83+9=92 Start Sub Search at level 1: Moving to Node #0,1 Current State: 88:[23, 9, 92], Operations: ['83+9=92'] Exploring Operation: 23-9=14, Resulting Numbers: [92, 14] Generated Node #0,1,0: 88:[92, 14] Operation: 23-9=14 Exploring Operation: 92-9=83, Resulting Numbers: [23, 83] Generated Node #0,1,1: 88:[23, 83] Operation: 92-9=83 Exploring Operation: 23+9=32, Resulting Numbers: [92, 32] Generated Node #0,1,2: 88:[92, 32] Operation: 23+9=32 Exploring Operation: 92/23=4, Resulting Numbers: [9, 4] Generated Node #0,1,3: 88:[9, 4] Operation: 92/23=4 Moving to Node #0,1,3 Current State: 88:[9, 4], Operations: ['83+9=92', '92/23=4'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,88 unequal: No Solution Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[23, 83], Operations: ['83+9=92', '92-9=83'] Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,88 unequal: No Solution Exploring Operation: 23*83=1909, Resulting Numbers: [1909] 1909,88 unequal: No Solution Exploring Operation: 23+83=106, Resulting Numbers: [106] 106,88 unequal: No Solution Moving to Node #0,1,0 Current State: 88:[92, 14], Operations: ['83+9=92', '23-9=14'] Exploring Operation: 92+14=106, Resulting Numbers: [106] 106,88 unequal: No Solution Exploring Operation: 92-14=78, Resulting Numbers: [78] 78,88 unequal: No Solution Exploring Operation: 92*14=1288, Resulting Numbers: [1288] 1288,88 unequal: No Solution Moving to Node #0,1,2 Current State: 88:[92, 32], Operations: ['83+9=92', '23+9=32'] Exploring Operation: 92+32=124, Resulting Numbers: [124] 124,88 unequal: No Solution Exploring Operation: 92*32=2944, Resulting Numbers: [2944] 2944,88 unequal: No Solution Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 88:[23, 9, 92], Operations: ['83+9=92'] Exploring Operation: 23-9=14, Resulting Numbers: [92, 14] Generated Node #0,3,0: 88:[92, 14] Operation: 23-9=14 Exploring Operation: 23+9=32, Resulting Numbers: [92, 32] Generated Node #0,3,1: 88:[92, 32] Operation: 23+9=32 Exploring Operation: 92-9=83, Resulting Numbers: [23, 83] Generated Node #0,3,2: 88:[23, 83] Operation: 92-9=83 Exploring Operation: 92/23=4, Resulting Numbers: [9, 4] Generated Node #0,3,3: 88:[9, 4] Operation: 92/23=4 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 88:[9, 4], Operations: ['83+9=92', '92/23=4'] Exploring Operation: 9*4=36, Resulting Numbers: [36] 36,88 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,88 unequal: No Solution Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,88 unequal: No Solution No 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: 88:[23, 83], Operations: ['83+9=92', '92-9=83'] Exploring Operation: 23+83=106, Resulting Numbers: [106] 106,88 unequal: No Solution Exploring Operation: 23*83=1909, Resulting Numbers: [1909] 1909,88 unequal: No Solution Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,88 unequal: No Solution No 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: 88:[92, 14], Operations: ['83+9=92', '23-9=14'] Exploring Operation: 92*14=1288, Resulting Numbers: [1288] 1288,88 unequal: No Solution Exploring Operation: 92+14=106, Resulting Numbers: [106] 106,88 unequal: No Solution Exploring Operation: 92-14=78, Resulting Numbers: [78] 78,88 unequal: No Solution No 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: 88:[92, 32], Operations: ['83+9=92', '23+9=32'] Exploring Operation: 92+32=124, Resulting Numbers: [124] 124,88 unequal: No Solution Exploring Operation: 92*32=2944, Resulting Numbers: [2944] 2944,88 unequal: No Solution Exploring Operation: 92-32=60, Resulting Numbers: [60] 60,88 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: 88:[83, 23, 1], Operations: ['9/9=1'] Exploring Operation: 83*1=83, Resulting Numbers: [23, 83] Generated Node #0,2,0: 88:[23, 83] Operation: 83*1=83 Exploring Operation: 83/1=83, Resulting Numbers: [23, 83] Generated Node #0,2,1: 88:[23, 83] Operation: 83/1=83 Exploring Operation: 23-1=22, Resulting Numbers: [83, 22] Generated Node #0,2,2: 88:[83, 22] Operation: 23-1=22 Exploring Operation: 83+1=84, Resulting Numbers: [23, 84] Generated Node #0,2,3: 88:[23, 84] Operation: 83+1=84 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 88:[83, 22], Operations: ['9/9=1', '23-1=22'] Exploring Operation: 83*22=1826, Resulting Numbers: [1826] 1826,88 unequal: No Solution Exploring Operation: 83-22=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 83+22=105, Resulting Numbers: [105] 105,88 unequal: No Solution No 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: 88:[23, 84], Operations: ['9/9=1', '83+1=84'] Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,88 unequal: No Solution Exploring Operation: 23*84=1932, Resulting Numbers: [1932] 1932,88 unequal: No Solution Exploring Operation: 23+84=107, Resulting Numbers: [107] 107,88 unequal: No Solution No 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: 88:[23, 83], Operations: ['9/9=1', '83*1=83'] Exploring Operation: 23*83=1909, Resulting Numbers: [1909] 1909,88 unequal: No Solution Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,88 unequal: No Solution Exploring Operation: 23+83=106, Resulting Numbers: [106] 106,88 unequal: No Solution No 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: 88:[23, 83], Operations: ['9/9=1', '83/1=83'] Exploring Operation: 23*83=1909, Resulting Numbers: [1909] 1909,88 unequal: No Solution Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,88 unequal: No Solution Exploring Operation: 23+83=106, Resulting Numbers: [106] 106,88 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: 88:[83, 23, 0], Operations: ['9-9=0'] Exploring Operation: 23+0=23, Resulting Numbers: [83, 23] Generated Node #0,0,0: 88:[83, 23] Operation: 23+0=23 Exploring Operation: 83*0=0, Resulting Numbers: [23, 0] Generated Node #0,0,1: 88:[23, 0] Operation: 83*0=0 Exploring Operation: 83-0=83, Resulting Numbers: [23, 83] Generated Node #0,0,2: 88:[23, 83] Operation: 83-0=83 Exploring Operation: 83+0=83, Resulting Numbers: [23, 83] Generated Node #0,0,3: 88:[23, 83] Operation: 83+0=83 Moving to Node #0,0,1 Current State: 88:[23, 0], Operations: ['9-9=0', '83*0=0'] Exploring Operation: 23-0=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 23+0=23, Resulting Numbers: [23] 23,88 unequal: No Solution Exploring Operation: 23*0=0, Resulting Numbers: [0] 0,88 unequal: No Solution Moving to Node #0,0,2 Current State: 88:[23, 83], Operations: ['9-9=0', '83-0=83'] Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,88 unequal: No Solution Exploring Operation: 23*83=1909, Resulting Numbers: [1909] 1909,88 unequal: No Solution Exploring Operation: 23+83=106, Resulting Numbers: [106] 106,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[83, 23], Operations: ['9-9=0', '23+0=23'] Exploring Operation: 83*23=1909, Resulting Numbers: [1909] 1909,88 unequal: No Solution Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,88 unequal: No Solution Exploring Operation: 83+23=106, Resulting Numbers: [106] 106,88 unequal: No Solution Moving to Node #0,0,3 Current State: 88:[23, 83], Operations: ['9-9=0', '83+0=83'] Exploring Operation: 23+83=106, Resulting Numbers: [106] 106,88 unequal: No Solution Exploring Operation: 23*83=1909, Resulting Numbers: [1909] 1909,88 unequal: No Solution Exploring Operation: 83-23=60, Resulting Numbers: [60] 60,88 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 67, 22, 10, 27 ]
52
[ "67+22=89", "10+27=37", "89-37=52" ]
Current State: 52:[67, 22, 10, 27], Operations: [] Exploring Operation: 67+22=89, Resulting Numbers: [10, 27, 89] Generated Node #2: [10, 27, 89] from Operation: 67+22=89 Current State: 52:[10, 27, 89], Operations: ['67+22=89'] Exploring Operation: 10+27=37, Resulting Numbers: [89, 37] Generated Node #3: [89, 37] from Operation: 10+27=37 Current State: 52:[89, 37], Operations: ['67+22=89', '10+27=37'] Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[67, 22, 10, 27], Operations: [] Exploring Operation: 67-27=40, Resulting Numbers: [22, 10, 40] Generated Node #0,0: 52:[22, 10, 40] Operation: 67-27=40 Exploring Operation: 27-22=5, Resulting Numbers: [67, 10, 5] Generated Node #0,1: 52:[67, 10, 5] Operation: 27-22=5 Exploring Operation: 67-10=57, Resulting Numbers: [22, 27, 57] Generated Node #0,2: 52:[22, 27, 57] Operation: 67-10=57 Exploring Operation: 67-22=45, Resulting Numbers: [10, 27, 45] Generated Node #0,3: 52:[10, 27, 45] Operation: 67-22=45 Exploring Operation: 22-10=12, Resulting Numbers: [67, 27, 12] Generated Node #0,4: 52:[67, 27, 12] Operation: 22-10=12 Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[22, 27, 57], Operations: ['67-10=57'] Exploring Operation: 57-27=30, Resulting Numbers: [22, 30] Generated Node #0,2,0: 52:[22, 30] Operation: 57-27=30 Exploring Operation: 22+27=49, Resulting Numbers: [57, 49] Generated Node #0,2,1: 52:[57, 49] Operation: 22+27=49 Exploring Operation: 57-22=35, Resulting Numbers: [27, 35] Generated Node #0,2,2: 52:[27, 35] Operation: 57-22=35 Exploring Operation: 27-22=5, Resulting Numbers: [57, 5] Generated Node #0,2,3: 52:[57, 5] Operation: 27-22=5 Exploring Operation: 22+57=79, Resulting Numbers: [27, 79] Generated Node #0,2,4: 52:[27, 79] Operation: 22+57=79 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 52:[57, 5], Operations: ['67-10=57', '27-22=5'] Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,52 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[67, 22, 10, 27], Operations: [] Exploring Operation: 67-10=57, Resulting Numbers: [22, 27, 57] Generated Node #0,2: 52:[22, 27, 57] Operation: 67-10=57 Moving to Node #0,2 Current State: 52:[22, 27, 57], Operations: ['67-10=57'] Exploring Operation: 27-22=5, Resulting Numbers: [57, 5] Generated Node #0,2,3: 52:[57, 5] Operation: 27-22=5 Moving to Node #0,2,3 Current State: 52:[57, 5], Operations: ['67-10=57', '27-22=5'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 44, 26, 40, 2 ]
74
[ "44*2=88", "40-26=14", "88-14=74" ]
Current State: 74:[44, 26, 40, 2], Operations: [] Exploring Operation: 44*2=88, Resulting Numbers: [26, 40, 88] Generated Node #2: [26, 40, 88] from Operation: 44*2=88 Current State: 74:[26, 40, 88], Operations: ['44*2=88'] Exploring Operation: 40-26=14, Resulting Numbers: [88, 14] Generated Node #3: [88, 14] from Operation: 40-26=14 Current State: 74:[88, 14], Operations: ['44*2=88', '40-26=14'] Exploring Operation: 88-14=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[44, 26, 40, 2], Operations: [] Exploring Operation: 44-40=4, Resulting Numbers: [26, 2, 4] Generated Node #0,0: 74:[26, 2, 4] Operation: 44-40=4 Exploring Operation: 44-2=42, Resulting Numbers: [26, 40, 42] Generated Node #0,1: 74:[26, 40, 42] Operation: 44-2=42 Exploring Operation: 44+26=70, Resulting Numbers: [40, 2, 70] Generated Node #0,2: 74:[40, 2, 70] Operation: 44+26=70 Exploring Operation: 26+40=66, Resulting Numbers: [44, 2, 66] Generated Node #0,3: 74:[44, 2, 66] Operation: 26+40=66 Exploring Operation: 44-26=18, Resulting Numbers: [40, 2, 18] Generated Node #0,4: 74:[40, 2, 18] Operation: 44-26=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[40, 2, 70], Operations: ['44+26=70'] Exploring Operation: 40+2=42, Resulting Numbers: [70, 42] Generated Node #0,2,0: 74:[70, 42] Operation: 40+2=42 Exploring Operation: 70/2=35, Resulting Numbers: [40, 35] Generated Node #0,2,1: 74:[40, 35] Operation: 70/2=35 Exploring Operation: 40-2=38, Resulting Numbers: [70, 38] Generated Node #0,2,2: 74:[70, 38] Operation: 40-2=38 Exploring Operation: 2+70=72, Resulting Numbers: [40, 72] Generated Node #0,2,3: 74:[40, 72] Operation: 2+70=72 Exploring Operation: 70-40=30, Resulting Numbers: [2, 30] Generated Node #0,2,4: 74:[2, 30] Operation: 70-40=30 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 74:[40, 35], Operations: ['44+26=70', '70/2=35'] Exploring Operation: 40*35=1400, Resulting Numbers: [1400] 1400,74 unequal: No Solution Exploring Operation: 40+35=75, Resulting Numbers: [75] 75,74 unequal: No Solution Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,74 unequal: No Solution No 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: 74:[70, 38], Operations: ['44+26=70', '40-2=38'] Exploring Operation: 70*38=2660, Resulting Numbers: [2660] 2660,74 unequal: No Solution Exploring Operation: 70+38=108, Resulting Numbers: [108] 108,74 unequal: No Solution Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,74 unequal: No Solution No 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: 74:[40, 72], Operations: ['44+26=70', '2+70=72'] Exploring Operation: 72-40=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 40*72=2880, Resulting Numbers: [2880] 2880,74 unequal: No Solution Exploring Operation: 40+72=112, Resulting Numbers: [112] 112,74 unequal: No Solution No 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: 74:[2, 30], Operations: ['44+26=70', '70-40=30'] Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,74 unequal: No Solution Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,74 unequal: No Solution No 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: 74:[70, 42], Operations: ['44+26=70', '40+2=42'] Exploring Operation: 70+42=112, Resulting Numbers: [112] 112,74 unequal: No Solution Exploring Operation: 70*42=2940, Resulting Numbers: [2940] 2940,74 unequal: No Solution Exploring Operation: 70-42=28, Resulting Numbers: [28] 28,74 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: 74:[26, 2, 4], Operations: ['44-40=4'] Exploring Operation: 4/2=2, Resulting Numbers: [26, 2] Generated Node #0,0,0: 74:[26, 2] Operation: 4/2=2 Exploring Operation: 4-2=2, Resulting Numbers: [26, 2] Generated Node #0,0,1: 74:[26, 2] Operation: 4-2=2 Exploring Operation: 26/2=13, Resulting Numbers: [4, 13] Generated Node #0,0,2: 74:[4, 13] Operation: 26/2=13 Exploring Operation: 26+2=28, Resulting Numbers: [4, 28] Generated Node #0,0,3: 74:[4, 28] Operation: 26+2=28 Exploring Operation: 26+4=30, Resulting Numbers: [2, 30] Generated Node #0,0,4: 74:[2, 30] Operation: 26+4=30 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 74:[2, 30], Operations: ['44-40=4', '26+4=30'] Exploring Operation: 30-2=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 2+30=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,74 unequal: No Solution Exploring Operation: 2*30=60, Resulting Numbers: [60] 60,74 unequal: No Solution No 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: 74:[26, 2], Operations: ['44-40=4', '4/2=2'] Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,74 unequal: No Solution Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,74 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,74 unequal: No Solution No 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: 74:[26, 2], Operations: ['44-40=4', '4-2=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,74 unequal: No Solution Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,74 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,74 unequal: No Solution No 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: 74:[4, 28], Operations: ['44-40=4', '26+2=28'] Exploring Operation: 4+28=32, Resulting Numbers: [32] 32,74 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,74 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 4*28=112, Resulting Numbers: [112] 112,74 unequal: No Solution No 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: 74:[4, 13], Operations: ['44-40=4', '26/2=13'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,74 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,74 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,74 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: 74:[44, 2, 66], Operations: ['26+40=66'] Exploring Operation: 44-2=42, Resulting Numbers: [66, 42] Generated Node #0,3,0: 74:[66, 42] Operation: 44-2=42 Exploring Operation: 66-44=22, Resulting Numbers: [2, 22] Generated Node #0,3,1: 74:[2, 22] Operation: 66-44=22 Exploring Operation: 44+2=46, Resulting Numbers: [66, 46] Generated Node #0,3,2: 74:[66, 46] Operation: 44+2=46 Exploring Operation: 2+66=68, Resulting Numbers: [44, 68] Generated Node #0,3,3: 74:[44, 68] Operation: 2+66=68 Exploring Operation: 66/2=33, Resulting Numbers: [44, 33] Generated Node #0,3,4: 74:[44, 33] Operation: 66/2=33 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 74:[44, 33], Operations: ['26+40=66', '66/2=33'] Exploring Operation: 44+33=77, Resulting Numbers: [77] 77,74 unequal: No Solution Exploring Operation: 44*33=1452, Resulting Numbers: [1452] 1452,74 unequal: No Solution Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,74 unequal: No Solution No 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: 74:[66, 42], Operations: ['26+40=66', '44-2=42'] Exploring Operation: 66*42=2772, Resulting Numbers: [2772] 2772,74 unequal: No Solution Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 66+42=108, Resulting Numbers: [108] 108,74 unequal: No Solution No 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: 74:[44, 68], Operations: ['26+40=66', '2+66=68'] Exploring Operation: 44*68=2992, Resulting Numbers: [2992] 2992,74 unequal: No Solution Exploring Operation: 44+68=112, Resulting Numbers: [112] 112,74 unequal: No Solution Exploring Operation: 68-44=24, Resulting Numbers: [24] 24,74 unequal: No Solution No 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: 74:[2, 22], Operations: ['26+40=66', '66-44=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,74 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,74 unequal: No Solution No 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: 74:[66, 46], Operations: ['26+40=66', '44+2=46'] Exploring Operation: 66*46=3036, Resulting Numbers: [3036] 3036,74 unequal: No Solution Exploring Operation: 66-46=20, Resulting Numbers: [20] 20,74 unequal: No Solution Exploring Operation: 66+46=112, Resulting Numbers: [112] 112,74 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: 74:[26, 40, 42], Operations: ['44-2=42'] Exploring Operation: 26+40=66, Resulting Numbers: [42, 66] Generated Node #0,1,0: 74:[42, 66] Operation: 26+40=66 Exploring Operation: 40-26=14, Resulting Numbers: [42, 14] Generated Node #0,1,1: 74:[42, 14] Operation: 40-26=14 Exploring Operation: 26+42=68, Resulting Numbers: [40, 68] Generated Node #0,1,2: 74:[40, 68] Operation: 26+42=68 Exploring Operation: 42-40=2, Resulting Numbers: [26, 2] Generated Node #0,1,3: 74:[26, 2] Operation: 42-40=2 Exploring Operation: 42-26=16, Resulting Numbers: [40, 16] Generated Node #0,1,4: 74:[40, 16] Operation: 42-26=16 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 74:[40, 68], Operations: ['44-2=42', '26+42=68'] Exploring Operation: 40+68=108, Resulting Numbers: [108] 108,74 unequal: No Solution Exploring Operation: 40*68=2720, Resulting Numbers: [2720] 2720,74 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,74 unequal: No Solution No 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: 74:[26, 2], Operations: ['44-2=42', '42-40=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,74 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,74 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,74 unequal: No Solution No 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: 74:[42, 66], Operations: ['44-2=42', '26+40=66'] Exploring Operation: 42+66=108, Resulting Numbers: [108] 108,74 unequal: No Solution Exploring Operation: 42*66=2772, Resulting Numbers: [2772] 2772,74 unequal: No Solution Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,74 unequal: No Solution No 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: 74:[42, 14], Operations: ['44-2=42', '40-26=14'] Exploring Operation: 42*14=588, Resulting Numbers: [588] 588,74 unequal: No Solution Exploring Operation: 42+14=56, Resulting Numbers: [56] 56,74 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,74 unequal: No Solution No 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: 74:[40, 16], Operations: ['44-2=42', '42-26=16'] Exploring Operation: 40-16=24, Resulting Numbers: [24] 24,74 unequal: No Solution Exploring Operation: 40+16=56, Resulting Numbers: [56] 56,74 unequal: No Solution Exploring Operation: 40*16=640, Resulting Numbers: [640] 640,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 74:[40, 2, 18], Operations: ['44-26=18'] Exploring Operation: 40-18=22, Resulting Numbers: [2, 22] Generated Node #0,4,0: 74:[2, 22] Operation: 40-18=22 Exploring Operation: 18/2=9, Resulting Numbers: [40, 9] Generated Node #0,4,1: 74:[40, 9] Operation: 18/2=9 Exploring Operation: 2*18=36, Resulting Numbers: [40, 36] Generated Node #0,4,2: 74:[40, 36] Operation: 2*18=36 Exploring Operation: 40-2=38, Resulting Numbers: [18, 38] Generated Node #0,4,3: 74:[18, 38] Operation: 40-2=38 Exploring Operation: 40+18=58, Resulting Numbers: [2, 58] Generated Node #0,4,4: 74:[2, 58] Operation: 40+18=58 Moving to Node #0,4,2 Current State: 74:[40, 36], Operations: ['44-26=18', '2*18=36'] Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 40+36=76, Resulting Numbers: [76] 76,74 unequal: No Solution Exploring Operation: 40*36=1440, Resulting Numbers: [1440] 1440,74 unequal: No Solution Moving to Node #0,4,1 Current State: 74:[40, 9], Operations: ['44-26=18', '18/2=9'] Exploring Operation: 40-9=31, Resulting Numbers: [31] 31,74 unequal: No Solution Exploring Operation: 40*9=360, Resulting Numbers: [360] 360,74 unequal: No Solution Exploring Operation: 40+9=49, Resulting Numbers: [49] 49,74 unequal: No Solution Moving to Node #0,4,0 Current State: 74:[2, 22], Operations: ['44-26=18', '40-18=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,74 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,74 unequal: No Solution Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,74 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,74 unequal: No Solution Moving to Node #0,4,4 Current State: 74:[2, 58], Operations: ['44-26=18', '40+18=58'] Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,74 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,74 unequal: No Solution Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,74 unequal: No Solution Exploring Operation: 2*58=116, Resulting Numbers: [116] 116,74 unequal: No Solution Moving to Node #0,4,3 Current State: 74:[18, 38], Operations: ['44-26=18', '40-2=38'] Exploring Operation: 18*38=684, Resulting Numbers: [684] 684,74 unequal: No Solution Exploring Operation: 38-18=20, Resulting Numbers: [20] 20,74 unequal: No Solution Exploring Operation: 18+38=56, Resulting Numbers: [56] 56,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 98, 1, 98, 52 ]
52
[ "98+1=99", "99-98=1", "52*1=52" ]
Current State: 52:[98, 1, 98, 52], Operations: [] Exploring Operation: 98+1=99, Resulting Numbers: [52, 99] Generated Node #2: [52, 99] from Operation: 98+1=99 Current State: 52:[52, 99], Operations: ['98+1=99'] Exploring Operation: 99-98=1, Resulting Numbers: [52, 1] Generated Node #3: [52, 1] from Operation: 99-98=1 Current State: 52:[52, 1], Operations: ['98+1=99', '99-98=1'] Exploring Operation: 52*1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[98, 1, 98, 52], Operations: [] Exploring Operation: 98/98=1, Resulting Numbers: [1, 52, 1] Generated Node #0,0: 52:[1, 52, 1] Operation: 98/98=1 Exploring Operation: 98-52=46, Resulting Numbers: [1, 98, 46] Generated Node #0,1: 52:[1, 98, 46] Operation: 98-52=46 Exploring Operation: 98-52=46, Resulting Numbers: [98, 1, 46] Generated Node #0,2: 52:[98, 1, 46] Operation: 98-52=46 Exploring Operation: 98-98=0, Resulting Numbers: [1, 52, 0] Generated Node #0,3: 52:[1, 52, 0] Operation: 98-98=0 Moving to Node #0,0 Current State: 52:[1, 52, 1], Operations: ['98/98=1'] Exploring Operation: 1*52=52, Resulting Numbers: [1, 52] Generated Node #0,0,0: 52:[1, 52] Operation: 1*52=52 Exploring Operation: 1*1=1, Resulting Numbers: [52, 1] Generated Node #0,0,1: 52:[52, 1] Operation: 1*1=1 Exploring Operation: 1+1=2, Resulting Numbers: [52, 2] Generated Node #0,0,2: 52:[52, 2] Operation: 1+1=2 Exploring Operation: 52/1=52, Resulting Numbers: [1, 52] Generated Node #0,0,3: 52:[1, 52] Operation: 52/1=52 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[52, 2], Operations: ['98/98=1', '1+1=2'] Exploring Operation: 52*2=104, Resulting Numbers: [104] 104,52 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[1, 52], Operations: ['98/98=1', '1*52=52'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,52 unequal: No Solution Exploring Operation: 1+52=53, Resulting Numbers: [53] 53,52 unequal: No Solution Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[98, 1, 98, 52], Operations: [] Exploring Operation: 98/98=1, Resulting Numbers: [1, 52, 1] Generated Node #0,0: 52:[1, 52, 1] Operation: 98/98=1 Moving to Node #0,0 Current State: 52:[1, 52, 1], Operations: ['98/98=1'] Exploring Operation: 1*52=52, Resulting Numbers: [1, 52] Generated Node #0,0,0: 52:[1, 52] Operation: 1*52=52 Moving to Node #0,0,0 Current State: 52:[1, 52], Operations: ['98/98=1', '1*52=52'] Exploring Operation: 52/1=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 5, 65, 95, 79 ]
86
[ "5+65=70", "95-79=16", "70+16=86" ]
Current State: 86:[5, 65, 95, 79], Operations: [] Exploring Operation: 5+65=70, Resulting Numbers: [95, 79, 70] Generated Node #2: [95, 79, 70] from Operation: 5+65=70 Current State: 86:[95, 79, 70], Operations: ['5+65=70'] Exploring Operation: 95-79=16, Resulting Numbers: [70, 16] Generated Node #3: [70, 16] from Operation: 95-79=16 Current State: 86:[70, 16], Operations: ['5+65=70', '95-79=16'] Exploring Operation: 70+16=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[5, 65, 95, 79], Operations: [] Exploring Operation: 65/5=13, Resulting Numbers: [95, 79, 13] Generated Node #0,0: 86:[95, 79, 13] Operation: 65/5=13 Exploring Operation: 79-65=14, Resulting Numbers: [5, 95, 14] Generated Node #0,1: 86:[5, 95, 14] Operation: 79-65=14 Exploring Operation: 95-65=30, Resulting Numbers: [5, 79, 30] Generated Node #0,2: 86:[5, 79, 30] Operation: 95-65=30 Exploring Operation: 5+65=70, Resulting Numbers: [95, 79, 70] Generated Node #0,3: 86:[95, 79, 70] Operation: 5+65=70 Start Sub Search at level 1: Moving to Node #0,2 Current State: 86:[5, 79, 30], Operations: ['95-65=30'] Exploring Operation: 30/5=6, Resulting Numbers: [79, 6] Generated Node #0,2,0: 86:[79, 6] Operation: 30/5=6 Exploring Operation: 5+30=35, Resulting Numbers: [79, 35] Generated Node #0,2,1: 86:[79, 35] Operation: 5+30=35 Exploring Operation: 5+79=84, Resulting Numbers: [30, 84] Generated Node #0,2,2: 86:[30, 84] Operation: 5+79=84 Exploring Operation: 79-30=49, Resulting Numbers: [5, 49] Generated Node #0,2,3: 86:[5, 49] Operation: 79-30=49 Moving to Node #0,2,3 Current State: 86:[5, 49], Operations: ['95-65=30', '79-30=49'] Exploring Operation: 49-5=44, Resulting Numbers: [44] 44,86 unequal: No Solution Exploring Operation: 5+49=54, Resulting Numbers: [54] 54,86 unequal: No Solution Exploring Operation: 5*49=245, Resulting Numbers: [245] 245,86 unequal: No Solution Moving to Node #0,2,0 Current State: 86:[79, 6], Operations: ['95-65=30', '30/5=6'] Exploring Operation: 79-6=73, Resulting Numbers: [73] 73,86 unequal: No Solution Exploring Operation: 79+6=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 79*6=474, Resulting Numbers: [474] 474,86 unequal: No Solution Moving to Node #0,2,2 Current State: 86:[30, 84], Operations: ['95-65=30', '5+79=84'] Exploring Operation: 30+84=114, Resulting Numbers: [114] 114,86 unequal: No Solution Exploring Operation: 84-30=54, Resulting Numbers: [54] 54,86 unequal: No Solution Exploring Operation: 30*84=2520, Resulting Numbers: [2520] 2520,86 unequal: No Solution Moving to Node #0,2,1 Current State: 86:[79, 35], Operations: ['95-65=30', '5+30=35'] Exploring Operation: 79+35=114, Resulting Numbers: [114] 114,86 unequal: No Solution Exploring Operation: 79-35=44, Resulting Numbers: [44] 44,86 unequal: No Solution Exploring Operation: 79*35=2765, Resulting Numbers: [2765] 2765,86 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 Current State: 86:[5, 95, 14], Operations: ['79-65=14'] Exploring Operation: 95-14=81, Resulting Numbers: [5, 81] Generated Node #0,1,0: 86:[5, 81] Operation: 95-14=81 Exploring Operation: 5*14=70, Resulting Numbers: [95, 70] Generated Node #0,1,1: 86:[95, 70] Operation: 5*14=70 Exploring Operation: 95-5=90, Resulting Numbers: [14, 90] Generated Node #0,1,2: 86:[14, 90] Operation: 95-5=90 Exploring Operation: 14-5=9, Resulting Numbers: [95, 9] Generated Node #0,1,3: 86:[95, 9] Operation: 14-5=9 Moving to Node #0,1,0 Current State: 86:[5, 81], Operations: ['79-65=14', '95-14=81'] Exploring Operation: 5*81=405, Resulting Numbers: [405] 405,86 unequal: No Solution Exploring Operation: 5+81=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[5, 65, 95, 79], Operations: [] Exploring Operation: 79-65=14, Resulting Numbers: [5, 95, 14] Generated Node #0,1: 86:[5, 95, 14] Operation: 79-65=14 Moving to Node #0,1 Current State: 86:[5, 95, 14], Operations: ['79-65=14'] Exploring Operation: 95-14=81, Resulting Numbers: [5, 81] Generated Node #0,1,0: 86:[5, 81] Operation: 95-14=81 Moving to Node #0,1,0 Current State: 86:[5, 81], Operations: ['79-65=14', '95-14=81'] Exploring Operation: 5+81=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 66, 51, 73, 75 ]
17
[ "66-51=15", "75-73=2", "15+2=17" ]
Current State: 17:[66, 51, 73, 75], Operations: [] Exploring Operation: 66-51=15, Resulting Numbers: [73, 75, 15] Generated Node #2: [73, 75, 15] from Operation: 66-51=15 Current State: 17:[73, 75, 15], Operations: ['66-51=15'] Exploring Operation: 75-73=2, Resulting Numbers: [15, 2] Generated Node #3: [15, 2] from Operation: 75-73=2 Current State: 17:[15, 2], Operations: ['66-51=15', '75-73=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[66, 51, 73, 75], Operations: [] Exploring Operation: 75-66=9, Resulting Numbers: [51, 73, 9] Generated Node #0,0: 17:[51, 73, 9] Operation: 75-66=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 17:[51, 73, 9], Operations: ['75-66=9'] Exploring Operation: 73-51=22, Resulting Numbers: [9, 22] Generated Node #0,0,0: 17:[9, 22] Operation: 73-51=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 17:[9, 22], Operations: ['75-66=9', '73-51=22'] Exploring Operation: 22-9=13, Resulting Numbers: [13] 13,17 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 24, 95, 99, 36 ]
16
[ "24+95=119", "99+36=135", "135-119=16" ]
Current State: 16:[24, 95, 99, 36], Operations: [] Exploring Operation: 24+95=119, Resulting Numbers: [99, 36, 119] Generated Node #2: [99, 36, 119] from Operation: 24+95=119 Current State: 16:[99, 36, 119], Operations: ['24+95=119'] Exploring Operation: 99+36=135, Resulting Numbers: [119, 135] Generated Node #3: [119, 135] from Operation: 99+36=135 Current State: 16:[119, 135], Operations: ['24+95=119', '99+36=135'] Exploring Operation: 135-119=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[24, 95, 99, 36], Operations: [] Exploring Operation: 99-36=63, Resulting Numbers: [24, 95, 63] Generated Node #0,0: 16:[24, 95, 63] Operation: 99-36=63 Exploring Operation: 99-95=4, Resulting Numbers: [24, 36, 4] Generated Node #0,1: 16:[24, 36, 4] Operation: 99-95=4 Exploring Operation: 95-36=59, Resulting Numbers: [24, 99, 59] Generated Node #0,2: 16:[24, 99, 59] Operation: 95-36=59 Moving to Node #0,1 Current State: 16:[24, 36, 4], Operations: ['99-95=4'] Exploring Operation: 36/4=9, Resulting Numbers: [24, 9] Generated Node #0,1,0: 16:[24, 9] Operation: 36/4=9 Exploring Operation: 24/4=6, Resulting Numbers: [36, 6] Generated Node #0,1,1: 16:[36, 6] Operation: 24/4=6 Exploring Operation: 36-24=12, Resulting Numbers: [4, 12] Generated Node #0,1,2: 16:[4, 12] Operation: 36-24=12 Moving to Node #0,0 Current State: 16:[24, 95, 63], Operations: ['99-36=63'] Exploring Operation: 95-24=71, Resulting Numbers: [63, 71] Generated Node #0,0,0: 16:[63, 71] Operation: 95-24=71 Exploring Operation: 95-63=32, Resulting Numbers: [24, 32] Generated Node #0,0,1: 16:[24, 32] Operation: 95-63=32 Exploring Operation: 63-24=39, Resulting Numbers: [95, 39] Generated Node #0,0,2: 16:[95, 39] Operation: 63-24=39 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[24, 32], Operations: ['99-36=63', '95-63=32'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[63, 71], Operations: ['99-36=63', '95-24=71'] Exploring Operation: 63*71=4473, Resulting Numbers: [4473] 4473,16 unequal: No Solution Exploring Operation: 71-63=8, Resulting Numbers: [8] 8,16 unequal: No Solution Exploring Operation: 63+71=134, Resulting Numbers: [134] 134,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 16:[95, 39], Operations: ['99-36=63', '63-24=39'] Exploring Operation: 95+39=134, Resulting Numbers: [134] 134,16 unequal: No Solution Exploring Operation: 95-39=56, Resulting Numbers: [56] 56,16 unequal: No Solution Exploring Operation: 95*39=3705, Resulting Numbers: [3705] 3705,16 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: 16:[24, 99, 59], Operations: ['95-36=59'] Exploring Operation: 99-59=40, Resulting Numbers: [24, 40] Generated Node #0,2,0: 16:[24, 40] Operation: 99-59=40 Exploring Operation: 99-24=75, Resulting Numbers: [59, 75] Generated Node #0,2,1: 16:[59, 75] Operation: 99-24=75 Exploring Operation: 59-24=35, Resulting Numbers: [99, 35] Generated Node #0,2,2: 16:[99, 35] Operation: 59-24=35 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 16:[24, 40], Operations: ['95-36=59', '99-59=40'] Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[24, 95, 99, 36], Operations: [] Exploring Operation: 95-36=59, Resulting Numbers: [24, 99, 59] Generated Node #0,2: 16:[24, 99, 59] Operation: 95-36=59 Moving to Node #0,2 Current State: 16:[24, 99, 59], Operations: ['95-36=59'] Exploring Operation: 99-59=40, Resulting Numbers: [24, 40] Generated Node #0,2,0: 16:[24, 40] Operation: 99-59=40 Moving to Node #0,2,0 Current State: 16:[24, 40], Operations: ['95-36=59', '99-59=40'] Exploring Operation: 40-24=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 46, 80, 52, 8 ]
40
[ "52-46=6", "8-6=2", "80/2=40" ]
Current State: 40:[46, 80, 52, 8], Operations: [] Exploring Operation: 52-46=6, Resulting Numbers: [80, 8, 6] Generated Node #2: [80, 8, 6] from Operation: 52-46=6 Current State: 40:[80, 8, 6], Operations: ['52-46=6'] Exploring Operation: 8-6=2, Resulting Numbers: [80, 2] Generated Node #3: [80, 2] from Operation: 8-6=2 Current State: 40:[80, 2], Operations: ['52-46=6', '8-6=2'] Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[46, 80, 52, 8], Operations: [] Exploring Operation: 80-46=34, Resulting Numbers: [52, 8, 34] Generated Node #0,0: 40:[52, 8, 34] Operation: 80-46=34 Exploring Operation: 80-52=28, Resulting Numbers: [46, 8, 28] Generated Node #0,1: 40:[46, 8, 28] Operation: 80-52=28 Exploring Operation: 80/8=10, Resulting Numbers: [46, 52, 10] Generated Node #0,2: 40:[46, 52, 10] Operation: 80/8=10 Exploring Operation: 80-8=72, Resulting Numbers: [46, 52, 72] Generated Node #0,3: 40:[46, 52, 72] Operation: 80-8=72 Exploring Operation: 52-46=6, Resulting Numbers: [80, 8, 6] Generated Node #0,4: 40:[80, 8, 6] Operation: 52-46=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[46, 8, 28], Operations: ['80-52=28'] Exploring Operation: 46+8=54, Resulting Numbers: [28, 54] Generated Node #0,1,0: 40:[28, 54] Operation: 46+8=54 Exploring Operation: 28-8=20, Resulting Numbers: [46, 20] Generated Node #0,1,1: 40:[46, 20] Operation: 28-8=20 Exploring Operation: 46-28=18, Resulting Numbers: [8, 18] Generated Node #0,1,2: 40:[8, 18] Operation: 46-28=18 Exploring Operation: 8+28=36, Resulting Numbers: [46, 36] Generated Node #0,1,3: 40:[46, 36] Operation: 8+28=36 Exploring Operation: 46-8=38, Resulting Numbers: [28, 38] Generated Node #0,1,4: 40:[28, 38] Operation: 46-8=38 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 40:[8, 18], Operations: ['80-52=28', '46-28=18'] Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,40 unequal: No Solution No 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: 40:[46, 20], Operations: ['80-52=28', '28-8=20'] Exploring Operation: 46-20=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 46+20=66, Resulting Numbers: [66] 66,40 unequal: No Solution Exploring Operation: 46*20=920, Resulting Numbers: [920] 920,40 unequal: No Solution No 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: 40:[46, 36], Operations: ['80-52=28', '8+28=36'] Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 46+36=82, Resulting Numbers: [82] 82,40 unequal: No Solution Exploring Operation: 46*36=1656, Resulting Numbers: [1656] 1656,40 unequal: No Solution No 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: 40:[28, 38], Operations: ['80-52=28', '46-8=38'] Exploring Operation: 28+38=66, Resulting Numbers: [66] 66,40 unequal: No Solution Exploring Operation: 28*38=1064, Resulting Numbers: [1064] 1064,40 unequal: No Solution Exploring Operation: 38-28=10, Resulting Numbers: [10] 10,40 unequal: No Solution No 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: 40:[28, 54], Operations: ['80-52=28', '46+8=54'] Exploring Operation: 54-28=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 28+54=82, Resulting Numbers: [82] 82,40 unequal: No Solution Exploring Operation: 28*54=1512, Resulting Numbers: [1512] 1512,40 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: 40:[52, 8, 34], Operations: ['80-46=34'] Exploring Operation: 34-8=26, Resulting Numbers: [52, 26] Generated Node #0,0,0: 40:[52, 26] Operation: 34-8=26 Exploring Operation: 52+8=60, Resulting Numbers: [34, 60] Generated Node #0,0,1: 40:[34, 60] Operation: 52+8=60 Exploring Operation: 8+34=42, Resulting Numbers: [52, 42] Generated Node #0,0,2: 40:[52, 42] Operation: 8+34=42 Exploring Operation: 52-8=44, Resulting Numbers: [34, 44] Generated Node #0,0,3: 40:[34, 44] Operation: 52-8=44 Exploring Operation: 52-34=18, Resulting Numbers: [8, 18] Generated Node #0,0,4: 40:[8, 18] Operation: 52-34=18 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 40:[8, 18], Operations: ['80-46=34', '52-34=18'] Exploring Operation: 8*18=144, Resulting Numbers: [144] 144,40 unequal: No Solution Exploring Operation: 18-8=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 8+18=26, Resulting Numbers: [26] 26,40 unequal: No Solution No 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: 40:[34, 44], Operations: ['80-46=34', '52-8=44'] Exploring Operation: 34*44=1496, Resulting Numbers: [1496] 1496,40 unequal: No Solution Exploring Operation: 34+44=78, Resulting Numbers: [78] 78,40 unequal: No Solution Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,40 unequal: No Solution No 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: 40:[52, 42], Operations: ['80-46=34', '8+34=42'] Exploring Operation: 52+42=94, Resulting Numbers: [94] 94,40 unequal: No Solution Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 52*42=2184, Resulting Numbers: [2184] 2184,40 unequal: No Solution No 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: 40:[52, 26], Operations: ['80-46=34', '34-8=26'] Exploring Operation: 52+26=78, Resulting Numbers: [78] 78,40 unequal: No Solution Exploring Operation: 52/26=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 52-26=26, Resulting Numbers: [26] 26,40 unequal: No Solution Exploring Operation: 52*26=1352, Resulting Numbers: [1352] 1352,40 unequal: No Solution No 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: 40:[34, 60], Operations: ['80-46=34', '52+8=60'] Exploring Operation: 34+60=94, Resulting Numbers: [94] 94,40 unequal: No Solution Exploring Operation: 34*60=2040, Resulting Numbers: [2040] 2040,40 unequal: No Solution Exploring Operation: 60-34=26, Resulting Numbers: [26] 26,40 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: 40:[46, 52, 10], Operations: ['80/8=10'] Exploring Operation: 46-10=36, Resulting Numbers: [52, 36] Generated Node #0,2,0: 40:[52, 36] Operation: 46-10=36 Exploring Operation: 52-10=42, Resulting Numbers: [46, 42] Generated Node #0,2,1: 40:[46, 42] Operation: 52-10=42 Exploring Operation: 52-46=6, Resulting Numbers: [10, 6] Generated Node #0,2,2: 40:[10, 6] Operation: 52-46=6 Exploring Operation: 46+10=56, Resulting Numbers: [52, 56] Generated Node #0,2,3: 40:[52, 56] Operation: 46+10=56 Exploring Operation: 52+10=62, Resulting Numbers: [46, 62] Generated Node #0,2,4: 40:[46, 62] Operation: 52+10=62 Moving to Node #0,2,2 Current State: 40:[10, 6], Operations: ['80/8=10', '52-46=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,40 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,40 unequal: No Solution Moving to Node #0,2,1 Current State: 40:[46, 42], Operations: ['80/8=10', '52-10=42'] Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 46*42=1932, Resulting Numbers: [1932] 1932,40 unequal: No Solution Exploring Operation: 46+42=88, Resulting Numbers: [88] 88,40 unequal: No Solution Moving to Node #0,2,0 Current State: 40:[52, 36], Operations: ['80/8=10', '46-10=36'] Exploring Operation: 52+36=88, Resulting Numbers: [88] 88,40 unequal: No Solution Exploring Operation: 52*36=1872, Resulting Numbers: [1872] 1872,40 unequal: No Solution Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,40 unequal: No Solution Moving to Node #0,2,3 Current State: 40:[52, 56], Operations: ['80/8=10', '46+10=56'] Exploring Operation: 56-52=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 52+56=108, Resulting Numbers: [108] 108,40 unequal: No Solution Exploring Operation: 52*56=2912, Resulting Numbers: [2912] 2912,40 unequal: No Solution Moving to Node #0,2,4 Current State: 40:[46, 62], Operations: ['80/8=10', '52+10=62'] Exploring Operation: 46+62=108, Resulting Numbers: [108] 108,40 unequal: No Solution Exploring Operation: 62-46=16, Resulting Numbers: [16] 16,40 unequal: No Solution Exploring Operation: 46*62=2852, Resulting Numbers: [2852] 2852,40 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 Current State: 40:[80, 8, 6], Operations: ['52-46=6'] Exploring Operation: 80-6=74, Resulting Numbers: [8, 74] Generated Node #0,4,0: 40:[8, 74] Operation: 80-6=74 Exploring Operation: 8-6=2, Resulting Numbers: [80, 2] Generated Node #0,4,1: 40:[80, 2] Operation: 8-6=2 Exploring Operation: 80/8=10, Resulting Numbers: [6, 10] Generated Node #0,4,2: 40:[6, 10] Operation: 80/8=10 Exploring Operation: 80-8=72, Resulting Numbers: [6, 72] Generated Node #0,4,3: 40:[6, 72] Operation: 80-8=72 Exploring Operation: 8+6=14, Resulting Numbers: [80, 14] Generated Node #0,4,4: 40:[80, 14] Operation: 8+6=14 Moving to Node #0,4,2 Current State: 40:[6, 10], Operations: ['52-46=6', '80/8=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,40 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,40 unequal: No Solution Moving to Node #0,4,3 Current State: 40:[6, 72], Operations: ['52-46=6', '80-8=72'] Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,40 unequal: No Solution Exploring Operation: 6*72=432, Resulting Numbers: [432] 432,40 unequal: No Solution Exploring Operation: 6+72=78, Resulting Numbers: [78] 78,40 unequal: No Solution Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,40 unequal: No Solution Moving to Node #0,4,0 Current State: 40:[8, 74], Operations: ['52-46=6', '80-6=74'] Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,40 unequal: No Solution Exploring Operation: 8*74=592, Resulting Numbers: [592] 592,40 unequal: No Solution Exploring Operation: 8+74=82, Resulting Numbers: [82] 82,40 unequal: No Solution Moving to Node #0,4,1 Current State: 40:[80, 2], Operations: ['52-46=6', '8-6=2'] Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,40 unequal: No Solution Exploring Operation: 80*2=160, Resulting Numbers: [160] 160,40 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,40 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[46, 80, 52, 8], Operations: [] Exploring Operation: 52-46=6, Resulting Numbers: [80, 8, 6] Generated Node #0,4: 40:[80, 8, 6] Operation: 52-46=6 Moving to Node #0,4 Current State: 40:[80, 8, 6], Operations: ['52-46=6'] Exploring Operation: 8-6=2, Resulting Numbers: [80, 2] Generated Node #0,4,1: 40:[80, 2] Operation: 8-6=2 Moving to Node #0,4,1 Current State: 40:[80, 2], Operations: ['52-46=6', '8-6=2'] Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.922743
hs_5
mult_heuristic
[ 3, 18, 75, 27 ]
77
[ "3*18=54", "54/27=2", "75+2=77" ]
Current State: 77:[3, 18, 75, 27], Operations: [] Exploring Operation: 3*18=54, Resulting Numbers: [75, 27, 54] Generated Node #2: [75, 27, 54] from Operation: 3*18=54 Current State: 77:[75, 27, 54], Operations: ['3*18=54'] Exploring Operation: 54/27=2, Resulting Numbers: [75, 2] Generated Node #3: [75, 2] from Operation: 54/27=2 Current State: 77:[75, 2], Operations: ['3*18=54', '54/27=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[3, 18, 75, 27], Operations: [] Exploring Operation: 3*27=81, Resulting Numbers: [18, 75, 81] Generated Node #0,0: 77:[18, 75, 81] Operation: 3*27=81 Exploring Operation: 27-18=9, Resulting Numbers: [3, 75, 9] Generated Node #0,1: 77:[3, 75, 9] Operation: 27-18=9 Exploring Operation: 27/3=9, Resulting Numbers: [18, 75, 9] Generated Node #0,2: 77:[18, 75, 9] Operation: 27/3=9 Moving to Node #0,1 Current State: 77:[3, 75, 9], Operations: ['27-18=9'] Exploring Operation: 3+75=78, Resulting Numbers: [9, 78] Generated Node #0,1,0: 77:[9, 78] Operation: 3+75=78 Exploring Operation: 3+9=12, Resulting Numbers: [75, 12] Generated Node #0,1,1: 77:[75, 12] Operation: 3+9=12 Exploring Operation: 9-3=6, Resulting Numbers: [75, 6] Generated Node #0,1,2: 77:[75, 6] Operation: 9-3=6 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 77:[9, 78], Operations: ['27-18=9', '3+75=78'] Exploring Operation: 9+78=87, Resulting Numbers: [87] 87,77 unequal: No Solution Exploring Operation: 9*78=702, Resulting Numbers: [702] 702,77 unequal: No Solution Exploring Operation: 78-9=69, Resulting Numbers: [69] 69,77 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 #0,1,1 Current State: 77:[75, 12], Operations: ['27-18=9', '3+9=12'] Exploring Operation: 75+12=87, Resulting Numbers: [87] 87,77 unequal: No Solution Exploring Operation: 75-12=63, Resulting Numbers: [63] 63,77 unequal: No Solution Exploring Operation: 75*12=900, Resulting Numbers: [900] 900,77 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 #0,1,2 Current State: 77:[75, 6], Operations: ['27-18=9', '9-3=6'] Exploring Operation: 75-6=69, Resulting Numbers: [69] 69,77 unequal: No Solution Exploring Operation: 75*6=450, Resulting Numbers: [450] 450,77 unequal: No Solution Exploring Operation: 75+6=81, Resulting Numbers: [81] 81,77 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: 77:[18, 75, 9], Operations: ['27/3=9'] Exploring Operation: 18-9=9, Resulting Numbers: [75, 9] Generated Node #0,2,0: 77:[75, 9] Operation: 18-9=9 Exploring Operation: 18/9=2, Resulting Numbers: [75, 2] Generated Node #0,2,1: 77:[75, 2] Operation: 18/9=2 Exploring Operation: 75+9=84, Resulting Numbers: [18, 84] Generated Node #0,2,2: 77:[18, 84] Operation: 75+9=84 Moving to Node #0,0 Current State: 77:[18, 75, 81], Operations: ['3*27=81'] Exploring Operation: 81-18=63, Resulting Numbers: [75, 63] Generated Node #0,0,0: 77:[75, 63] Operation: 81-18=63 Exploring Operation: 18+75=93, Resulting Numbers: [81, 93] Generated Node #0,0,1: 77:[81, 93] Operation: 18+75=93 Exploring Operation: 81-75=6, Resulting Numbers: [18, 6] Generated Node #0,0,2: 77:[18, 6] Operation: 81-75=6 Moving to Node #0,2,0 Current State: 77:[75, 9], Operations: ['27/3=9', '18-9=9'] Exploring Operation: 75+9=84, Resulting Numbers: [84] 84,77 unequal: No Solution Exploring Operation: 75*9=675, Resulting Numbers: [675] 675,77 unequal: No Solution Exploring Operation: 75-9=66, Resulting Numbers: [66] 66,77 unequal: No Solution Moving to Node #0,2,1 Current State: 77:[75, 2], Operations: ['27/3=9', '18/9=2'] Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,77 unequal: No Solution Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[3, 18, 75, 27], Operations: [] Exploring Operation: 27/3=9, Resulting Numbers: [18, 75, 9] Generated Node #0,2: 77:[18, 75, 9] Operation: 27/3=9 Moving to Node #0,2 Current State: 77:[18, 75, 9], Operations: ['27/3=9'] Exploring Operation: 18/9=2, Resulting Numbers: [75, 2] Generated Node #0,2,1: 77:[75, 2] Operation: 18/9=2 Moving to Node #0,2,1 Current State: 77:[75, 2], Operations: ['27/3=9', '18/9=2'] Exploring Operation: 75+2=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
0.973958
hs_3
sum_heuristic
[ 78, 96, 64, 50 ]
42
[ "78-50=28", "96*28=2688", "2688/64=42" ]
Current State: 42:[78, 96, 64, 50], Operations: [] Exploring Operation: 78-50=28, Resulting Numbers: [96, 64, 28] Generated Node #2: [96, 64, 28] from Operation: 78-50=28 Current State: 42:[96, 64, 28], Operations: ['78-50=28'] Exploring Operation: 96*28=2688, Resulting Numbers: [64, 2688] Generated Node #3: [64, 2688] from Operation: 96*28=2688 Current State: 42:[64, 2688], Operations: ['78-50=28', '96*28=2688'] Exploring Operation: 2688/64=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[78, 96, 64, 50], Operations: [] Exploring Operation: 96-64=32, Resulting Numbers: [78, 50, 32] Generated Node #0,0: 42:[78, 50, 32] Operation: 96-64=32 Exploring Operation: 78-64=14, Resulting Numbers: [96, 50, 14] Generated Node #0,1: 42:[96, 50, 14] Operation: 78-64=14 Exploring Operation: 96-78=18, Resulting Numbers: [64, 50, 18] Generated Node #0,2: 42:[64, 50, 18] Operation: 96-78=18 Moving to Node #0,2 Current State: 42:[64, 50, 18], Operations: ['96-78=18'] Exploring Operation: 64-50=14, Resulting Numbers: [18, 14] Generated Node #0,2,0: 42:[18, 14] Operation: 64-50=14 Exploring Operation: 64-18=46, Resulting Numbers: [50, 46] Generated Node #0,2,1: 42:[50, 46] Operation: 64-18=46 Exploring Operation: 50-18=32, Resulting Numbers: [64, 32] Generated Node #0,2,2: 42:[64, 32] Operation: 50-18=32 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 42:[18, 14], Operations: ['96-78=18', '64-50=14'] Exploring Operation: 18*14=252, Resulting Numbers: [252] 252,42 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 42:[50, 46], Operations: ['96-78=18', '64-18=46'] Exploring Operation: 50+46=96, Resulting Numbers: [96] 96,42 unequal: No Solution Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 50*46=2300, Resulting Numbers: [2300] 2300,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 42:[64, 32], Operations: ['96-78=18', '50-18=32'] Exploring Operation: 64+32=96, Resulting Numbers: [96] 96,42 unequal: No Solution Exploring Operation: 64/32=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 64-32=32, Resulting Numbers: [32] 32,42 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: 42:[78, 50, 32], Operations: ['96-64=32'] Exploring Operation: 78-32=46, Resulting Numbers: [50, 46] Generated Node #0,0,0: 42:[50, 46] Operation: 78-32=46 Exploring Operation: 50-32=18, Resulting Numbers: [78, 18] Generated Node #0,0,1: 42:[78, 18] Operation: 50-32=18 Exploring Operation: 78-50=28, Resulting Numbers: [32, 28] Generated Node #0,0,2: 42:[32, 28] Operation: 78-50=28 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[50, 46], Operations: ['96-64=32', '78-32=46'] Exploring Operation: 50*46=2300, Resulting Numbers: [2300] 2300,42 unequal: No Solution Exploring Operation: 50+46=96, Resulting Numbers: [96] 96,42 unequal: No Solution Exploring Operation: 50-46=4, Resulting Numbers: [4] 4,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 42:[32, 28], Operations: ['96-64=32', '78-50=28'] Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,42 unequal: No Solution Exploring Operation: 32+28=60, Resulting Numbers: [60] 60,42 unequal: No Solution Exploring Operation: 32*28=896, Resulting Numbers: [896] 896,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[78, 18], Operations: ['96-64=32', '50-32=18'] Exploring Operation: 78-18=60, Resulting Numbers: [60] 60,42 unequal: No Solution Exploring Operation: 78+18=96, Resulting Numbers: [96] 96,42 unequal: No Solution Exploring Operation: 78*18=1404, Resulting Numbers: [1404] 1404,42 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: 42:[96, 50, 14], Operations: ['78-64=14'] Exploring Operation: 96-14=82, Resulting Numbers: [50, 82] Generated Node #0,1,0: 42:[50, 82] Operation: 96-14=82 Exploring Operation: 96-50=46, Resulting Numbers: [14, 46] Generated Node #0,1,1: 42:[14, 46] Operation: 96-50=46 Exploring Operation: 50-14=36, Resulting Numbers: [96, 36] Generated Node #0,1,2: 42:[96, 36] Operation: 50-14=36 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[14, 46], Operations: ['78-64=14', '96-50=46'] Exploring Operation: 46-14=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 14+46=60, Resulting Numbers: [60] 60,42 unequal: No Solution Exploring Operation: 14*46=644, Resulting Numbers: [644] 644,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 42:[50, 82], Operations: ['78-64=14', '96-14=82'] Exploring Operation: 82-50=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 50+82=132, Resulting Numbers: [132] 132,42 unequal: No Solution Exploring Operation: 50*82=4100, Resulting Numbers: [4100] 4100,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 42:[96, 36], Operations: ['78-64=14', '50-14=36'] Exploring Operation: 96-36=60, Resulting Numbers: [60] 60,42 unequal: No Solution Exploring Operation: 96*36=3456, Resulting Numbers: [3456] 3456,42 unequal: No Solution Exploring Operation: 96+36=132, Resulting Numbers: [132] 132,42 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
[ 37, 27, 75, 84 ]
36
[ "37+75=112", "27*112=3024", "3024/84=36" ]
Current State: 36:[37, 27, 75, 84], Operations: [] Exploring Operation: 37+75=112, Resulting Numbers: [27, 84, 112] Generated Node #2: [27, 84, 112] from Operation: 37+75=112 Current State: 36:[27, 84, 112], Operations: ['37+75=112'] Exploring Operation: 27*112=3024, Resulting Numbers: [84, 3024] Generated Node #3: [84, 3024] from Operation: 27*112=3024 Current State: 36:[84, 3024], Operations: ['37+75=112', '27*112=3024'] Exploring Operation: 3024/84=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[37, 27, 75, 84], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [37, 27, 9] Generated Node #0,0: 36:[37, 27, 9] Operation: 84-75=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[37, 27, 9], Operations: ['84-75=9'] Exploring Operation: 37-27=10, Resulting Numbers: [9, 10] Generated Node #0,0,0: 36:[9, 10] Operation: 37-27=10 Moving to Node #0,0,0 Current State: 36:[9, 10], Operations: ['84-75=9', '37-27=10'] Exploring Operation: 9+10=19, Resulting Numbers: [19] 19,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 57, 60, 95, 2 ]
46
[ "60-57=3", "95-3=92", "92/2=46" ]
Current State: 46:[57, 60, 95, 2], Operations: [] Exploring Operation: 60-57=3, Resulting Numbers: [95, 2, 3] Generated Node #2: [95, 2, 3] from Operation: 60-57=3 Current State: 46:[95, 2, 3], Operations: ['60-57=3'] Exploring Operation: 95-3=92, Resulting Numbers: [2, 92] Generated Node #3: [2, 92] from Operation: 95-3=92 Current State: 46:[2, 92], Operations: ['60-57=3', '95-3=92'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[57, 60, 95, 2], Operations: [] Exploring Operation: 95-57=38, Resulting Numbers: [60, 2, 38] Generated Node #0,0: 46:[60, 2, 38] Operation: 95-57=38 Exploring Operation: 95-60=35, Resulting Numbers: [57, 2, 35] Generated Node #0,1: 46:[57, 2, 35] Operation: 95-60=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[60, 2, 38], Operations: ['95-57=38'] Exploring Operation: 60-38=22, Resulting Numbers: [2, 22] Generated Node #0,0,0: 46:[2, 22] Operation: 60-38=22 Exploring Operation: 60/2=30, Resulting Numbers: [38, 30] Generated Node #0,0,1: 46:[38, 30] Operation: 60/2=30 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 46:[2, 22], Operations: ['95-57=38', '60-38=22'] Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 46:[38, 30], Operations: ['95-57=38', '60/2=30'] Exploring Operation: 38-30=8, Resulting Numbers: [8] 8,46 unequal: No Solution Exploring Operation: 38+30=68, Resulting Numbers: [68] 68,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[57, 2, 35], Operations: ['95-60=35'] Exploring Operation: 57-35=22, Resulting Numbers: [2, 22] Generated Node #0,1,0: 46:[2, 22] Operation: 57-35=22 Exploring Operation: 57-2=55, Resulting Numbers: [35, 55] Generated Node #0,1,1: 46:[35, 55] Operation: 57-2=55 Moving to Node #0,1,0 Current State: 46:[2, 22], Operations: ['95-60=35', '57-35=22'] Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,46 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,46 unequal: No Solution Moving to Node #0,1,1 Current State: 46:[35, 55], Operations: ['95-60=35', '57-2=55'] Exploring Operation: 55-35=20, Resulting Numbers: [20] 20,46 unequal: No Solution Exploring Operation: 35+55=90, Resulting Numbers: [90] 90,46 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 82, 28, 58, 54 ]
49
[ "82+58=140", "140/28=5", "54-5=49" ]
Current State: 49:[82, 28, 58, 54], Operations: [] Exploring Operation: 82+58=140, Resulting Numbers: [28, 54, 140] Generated Node #2: [28, 54, 140] from Operation: 82+58=140 Current State: 49:[28, 54, 140], Operations: ['82+58=140'] Exploring Operation: 140/28=5, Resulting Numbers: [54, 5] Generated Node #3: [54, 5] from Operation: 140/28=5 Current State: 49:[54, 5], Operations: ['82+58=140', '140/28=5'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[82, 28, 58, 54], Operations: [] Exploring Operation: 58-28=30, Resulting Numbers: [82, 54, 30] Generated Node #0,0: 49:[82, 54, 30] Operation: 58-28=30 Exploring Operation: 82-28=54, Resulting Numbers: [58, 54, 54] Generated Node #0,1: 49:[58, 54, 54] Operation: 82-28=54 Exploring Operation: 82-54=28, Resulting Numbers: [28, 58, 28] Generated Node #0,2: 49:[28, 58, 28] Operation: 82-54=28 Exploring Operation: 82-58=24, Resulting Numbers: [28, 54, 24] Generated Node #0,3: 49:[28, 54, 24] Operation: 82-58=24 Exploring Operation: 58-54=4, Resulting Numbers: [82, 28, 4] Generated Node #0,4: 49:[82, 28, 4] Operation: 58-54=4 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[58, 54, 54], Operations: ['82-28=54'] Exploring Operation: 58+54=112, Resulting Numbers: [54, 112] Generated Node #0,1,0: 49:[54, 112] Operation: 58+54=112 Exploring Operation: 58-54=4, Resulting Numbers: [54, 4] Generated Node #0,1,1: 49:[54, 4] Operation: 58-54=4 Exploring Operation: 54-54=0, Resulting Numbers: [58, 0] Generated Node #0,1,2: 49:[58, 0] Operation: 54-54=0 Exploring Operation: 54/54=1, Resulting Numbers: [58, 1] Generated Node #0,1,3: 49:[58, 1] Operation: 54/54=1 Exploring Operation: 58-54=4, Resulting Numbers: [54, 4] Generated Node #0,1,4: 49:[54, 4] Operation: 58-54=4 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[54, 4], Operations: ['82-28=54', '58-54=4'] Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,49 unequal: No Solution Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 49:[54, 4], Operations: ['82-28=54', '58-54=4'] Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,49 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 49:[58, 1], Operations: ['82-28=54', '54/54=1'] Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,49 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 49:[58, 0], Operations: ['82-28=54', '54-54=0'] Exploring Operation: 58+0=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 58-0=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 58*0=0, Resulting Numbers: [0] 0,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 49:[54, 112], Operations: ['82-28=54', '58+54=112'] Exploring Operation: 54*112=6048, Resulting Numbers: [6048] 6048,49 unequal: No Solution Exploring Operation: 112-54=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 54+112=166, Resulting Numbers: [166] 166,49 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: 49:[28, 54, 24], Operations: ['82-58=24'] Exploring Operation: 28+24=52, Resulting Numbers: [54, 52] Generated Node #0,3,0: 49:[54, 52] Operation: 28+24=52 Exploring Operation: 54-28=26, Resulting Numbers: [24, 26] Generated Node #0,3,1: 49:[24, 26] Operation: 54-28=26 Exploring Operation: 28-24=4, Resulting Numbers: [54, 4] Generated Node #0,3,2: 49:[54, 4] Operation: 28-24=4 Exploring Operation: 54-24=30, Resulting Numbers: [28, 30] Generated Node #0,3,3: 49:[28, 30] Operation: 54-24=30 Exploring Operation: 28+54=82, Resulting Numbers: [24, 82] Generated Node #0,3,4: 49:[24, 82] Operation: 28+54=82 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 49:[54, 52], Operations: ['82-58=24', '28+24=52'] Exploring Operation: 54+52=106, Resulting Numbers: [106] 106,49 unequal: No Solution Exploring Operation: 54-52=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 54*52=2808, Resulting Numbers: [2808] 2808,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 49:[54, 4], Operations: ['82-58=24', '28-24=4'] Exploring Operation: 54*4=216, Resulting Numbers: [216] 216,49 unequal: No Solution Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 54+4=58, Resulting Numbers: [58] 58,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 49:[24, 26], Operations: ['82-58=24', '54-28=26'] Exploring Operation: 24+26=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 26-24=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 24*26=624, Resulting Numbers: [624] 624,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 49:[28, 30], Operations: ['82-58=24', '54-24=30'] Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,49 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 49:[24, 82], Operations: ['82-58=24', '28+54=82'] Exploring Operation: 24*82=1968, Resulting Numbers: [1968] 1968,49 unequal: No Solution Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 24+82=106, Resulting Numbers: [106] 106,49 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: 49:[28, 58, 28], Operations: ['82-54=28'] Exploring Operation: 28+28=56, Resulting Numbers: [58, 56] Generated Node #0,2,0: 49:[58, 56] Operation: 28+28=56 Exploring Operation: 58-28=30, Resulting Numbers: [28, 30] Generated Node #0,2,1: 49:[28, 30] Operation: 58-28=30 Exploring Operation: 28-28=0, Resulting Numbers: [58, 0] Generated Node #0,2,2: 49:[58, 0] Operation: 28-28=0 Exploring Operation: 58-28=30, Resulting Numbers: [28, 30] Generated Node #0,2,3: 49:[28, 30] Operation: 58-28=30 Exploring Operation: 28/28=1, Resulting Numbers: [58, 1] Generated Node #0,2,4: 49:[58, 1] Operation: 28/28=1 Moving to Node #0,2,4 Current State: 49:[58, 1], Operations: ['82-54=28', '28/28=1'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,49 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,49 unequal: No Solution Moving to Node #0,2,2 Current State: 49:[58, 0], Operations: ['82-54=28', '28-28=0'] Exploring Operation: 58+0=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 58-0=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 58*0=0, Resulting Numbers: [0] 0,49 unequal: No Solution Moving to Node #0,2,0 Current State: 49:[58, 56], Operations: ['82-54=28', '28+28=56'] Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 58*56=3248, Resulting Numbers: [3248] 3248,49 unequal: No Solution Exploring Operation: 58+56=114, Resulting Numbers: [114] 114,49 unequal: No Solution Moving to Node #0,2,1 Current State: 49:[28, 30], Operations: ['82-54=28', '58-28=30'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,49 unequal: No Solution Moving to Node #0,2,3 Current State: 49:[28, 30], Operations: ['82-54=28', '58-28=30'] Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,49 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[82, 54, 30], Operations: ['58-28=30'] Exploring Operation: 54+30=84, Resulting Numbers: [82, 84] Generated Node #0,0,0: 49:[82, 84] Operation: 54+30=84 Exploring Operation: 54-30=24, Resulting Numbers: [82, 24] Generated Node #0,0,1: 49:[82, 24] Operation: 54-30=24 Exploring Operation: 82-30=52, Resulting Numbers: [54, 52] Generated Node #0,0,2: 49:[54, 52] Operation: 82-30=52 Exploring Operation: 82+30=112, Resulting Numbers: [54, 112] Generated Node #0,0,3: 49:[54, 112] Operation: 82+30=112 Exploring Operation: 82-54=28, Resulting Numbers: [30, 28] Generated Node #0,0,4: 49:[30, 28] Operation: 82-54=28 Moving to Node #0,0,2 Current State: 49:[54, 52], Operations: ['58-28=30', '82-30=52'] Exploring Operation: 54+52=106, Resulting Numbers: [106] 106,49 unequal: No Solution Exploring Operation: 54-52=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 54*52=2808, Resulting Numbers: [2808] 2808,49 unequal: No Solution Moving to Node #0,0,4 Current State: 49:[30, 28], Operations: ['58-28=30', '82-54=28'] Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[82, 24], Operations: ['58-28=30', '54-30=24'] Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,49 unequal: No Solution Exploring Operation: 82*24=1968, Resulting Numbers: [1968] 1968,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[82, 84], Operations: ['58-28=30', '54+30=84'] Exploring Operation: 82*84=6888, Resulting Numbers: [6888] 6888,49 unequal: No Solution Exploring Operation: 82+84=166, Resulting Numbers: [166] 166,49 unequal: No Solution Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,49 unequal: No Solution Moving to Node #0,0,3 Current State: 49:[54, 112], Operations: ['58-28=30', '82+30=112'] Exploring Operation: 112-54=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 54+112=166, Resulting Numbers: [166] 166,49 unequal: No Solution Exploring Operation: 54*112=6048, Resulting Numbers: [6048] 6048,49 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 Current State: 49:[82, 28, 4], Operations: ['58-54=4'] Exploring Operation: 82-4=78, Resulting Numbers: [28, 78] Generated Node #0,4,0: 49:[28, 78] Operation: 82-4=78 Exploring Operation: 28-4=24, Resulting Numbers: [82, 24] Generated Node #0,4,1: 49:[82, 24] Operation: 28-4=24 Exploring Operation: 28/4=7, Resulting Numbers: [82, 7] Generated Node #0,4,2: 49:[82, 7] Operation: 28/4=7 Exploring Operation: 28+4=32, Resulting Numbers: [82, 32] Generated Node #0,4,3: 49:[82, 32] Operation: 28+4=32 Exploring Operation: 82-28=54, Resulting Numbers: [4, 54] Generated Node #0,4,4: 49:[4, 54] Operation: 82-28=54 Moving to Node #0,4,4 Current State: 49:[4, 54], Operations: ['58-54=4', '82-28=54'] Exploring Operation: 54-4=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 4*54=216, Resulting Numbers: [216] 216,49 unequal: No Solution Exploring Operation: 4+54=58, Resulting Numbers: [58] 58,49 unequal: No Solution Moving to Node #0,4,2 Current State: 49:[82, 7], Operations: ['58-54=4', '28/4=7'] Exploring Operation: 82*7=574, Resulting Numbers: [574] 574,49 unequal: No Solution Exploring Operation: 82+7=89, Resulting Numbers: [89] 89,49 unequal: No Solution Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,49 unequal: No Solution Moving to Node #0,4,0 Current State: 49:[28, 78], Operations: ['58-54=4', '82-4=78'] Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 28*78=2184, Resulting Numbers: [2184] 2184,49 unequal: No Solution Exploring Operation: 28+78=106, Resulting Numbers: [106] 106,49 unequal: No Solution Moving to Node #0,4,1 Current State: 49:[82, 24], Operations: ['58-54=4', '28-4=24'] Exploring Operation: 82*24=1968, Resulting Numbers: [1968] 1968,49 unequal: No Solution Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,49 unequal: No Solution Exploring Operation: 82+24=106, Resulting Numbers: [106] 106,49 unequal: No Solution Moving to Node #0,4,3 Current State: 49:[82, 32], Operations: ['58-54=4', '28+4=32'] Exploring Operation: 82-32=50, Resulting Numbers: [50] 50,49 unequal: No Solution Exploring Operation: 82*32=2624, Resulting Numbers: [2624] 2624,49 unequal: No Solution Exploring Operation: 82+32=114, Resulting Numbers: [114] 114,49 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 45, 4, 57, 65 ]
52
[ "65-45=20", "20/4=5", "57-5=52" ]
Current State: 52:[45, 4, 57, 65], Operations: [] Exploring Operation: 65-45=20, Resulting Numbers: [4, 57, 20] Generated Node #2: [4, 57, 20] from Operation: 65-45=20 Current State: 52:[4, 57, 20], Operations: ['65-45=20'] Exploring Operation: 20/4=5, Resulting Numbers: [57, 5] Generated Node #3: [57, 5] from Operation: 20/4=5 Current State: 52:[57, 5], Operations: ['65-45=20', '20/4=5'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[45, 4, 57, 65], Operations: [] Exploring Operation: 65-45=20, Resulting Numbers: [4, 57, 20] Generated Node #0,0: 52:[4, 57, 20] Operation: 65-45=20 Exploring Operation: 65-57=8, Resulting Numbers: [45, 4, 8] Generated Node #0,1: 52:[45, 4, 8] Operation: 65-57=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[4, 57, 20], Operations: ['65-45=20'] Exploring Operation: 57-4=53, Resulting Numbers: [20, 53] Generated Node #0,0,0: 52:[20, 53] Operation: 57-4=53 Exploring Operation: 20/4=5, Resulting Numbers: [57, 5] Generated Node #0,0,1: 52:[57, 5] Operation: 20/4=5 Moving to Node #0,0,1 Current State: 52:[57, 5], Operations: ['65-45=20', '20/4=5'] Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,52 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[45, 4, 57, 65], Operations: [] Exploring Operation: 65-45=20, Resulting Numbers: [4, 57, 20] Generated Node #0,0: 52:[4, 57, 20] Operation: 65-45=20 Moving to Node #0,0 Current State: 52:[4, 57, 20], Operations: ['65-45=20'] Exploring Operation: 20/4=5, Resulting Numbers: [57, 5] Generated Node #0,0,1: 52:[57, 5] Operation: 20/4=5 Moving to Node #0,0,1 Current State: 52:[57, 5], Operations: ['65-45=20', '20/4=5'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 86, 73, 99, 73 ]
71
[ "73+99=172", "172/86=2", "73-2=71" ]
Current State: 71:[86, 73, 99, 73], Operations: [] Exploring Operation: 73+99=172, Resulting Numbers: [86, 172] Generated Node #2: [86, 172] from Operation: 73+99=172 Current State: 71:[86, 172], Operations: ['73+99=172'] Exploring Operation: 172/86=2, Resulting Numbers: [2] 2,71 equal: Goal Reached Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[86, 73, 99, 73], Operations: [] Exploring Operation: 86-73=13, Resulting Numbers: [99, 73, 13] Generated Node #0,0: 71:[99, 73, 13] Operation: 86-73=13 Exploring Operation: 86-73=13, Resulting Numbers: [73, 99, 13] Generated Node #0,1: 71:[73, 99, 13] Operation: 86-73=13 Exploring Operation: 99-73=26, Resulting Numbers: [86, 73, 26] Generated Node #0,2: 71:[86, 73, 26] Operation: 99-73=26 Exploring Operation: 99-73=26, Resulting Numbers: [86, 73, 26] Generated Node #0,3: 71:[86, 73, 26] Operation: 99-73=26 Exploring Operation: 99-86=13, Resulting Numbers: [73, 73, 13] Generated Node #0,4: 71:[73, 73, 13] Operation: 99-86=13 Moving to Node #0,2 Current State: 71:[86, 73, 26], Operations: ['99-73=26'] Exploring Operation: 86-73=13, Resulting Numbers: [26, 13] Generated Node #0,2,0: 71:[26, 13] Operation: 86-73=13 Exploring Operation: 86-26=60, Resulting Numbers: [73, 60] Generated Node #0,2,1: 71:[73, 60] Operation: 86-26=60 Exploring Operation: 86+26=112, Resulting Numbers: [73, 112] Generated Node #0,2,2: 71:[73, 112] Operation: 86+26=112 Exploring Operation: 73-26=47, Resulting Numbers: [86, 47] Generated Node #0,2,3: 71:[86, 47] Operation: 73-26=47 Exploring Operation: 73+26=99, Resulting Numbers: [86, 99] Generated Node #0,2,4: 71:[86, 99] Operation: 73+26=99 Moving to Node #0,4 Current State: 71:[73, 73, 13], Operations: ['99-86=13'] Exploring Operation: 73/73=1, Resulting Numbers: [13, 1] Generated Node #0,4,0: 71:[13, 1] Operation: 73/73=1 Exploring Operation: 73-13=60, Resulting Numbers: [73, 60] Generated Node #0,4,1: 71:[73, 60] Operation: 73-13=60 Exploring Operation: 73+13=86, Resulting Numbers: [73, 86] Generated Node #0,4,2: 71:[73, 86] Operation: 73+13=86 Exploring Operation: 73+13=86, Resulting Numbers: [73, 86] Generated Node #0,4,3: 71:[73, 86] Operation: 73+13=86 Exploring Operation: 73-13=60, Resulting Numbers: [73, 60] Generated Node #0,4,4: 71:[73, 60] Operation: 73-13=60 Moving to Node #0,3 Current State: 71:[86, 73, 26], Operations: ['99-73=26'] Exploring Operation: 86+26=112, Resulting Numbers: [73, 112] Generated Node #0,3,0: 71:[73, 112] Operation: 86+26=112 Exploring Operation: 73+26=99, Resulting Numbers: [86, 99] Generated Node #0,3,1: 71:[86, 99] Operation: 73+26=99 Exploring Operation: 86-73=13, Resulting Numbers: [26, 13] Generated Node #0,3,2: 71:[26, 13] Operation: 86-73=13 Exploring Operation: 86-26=60, Resulting Numbers: [73, 60] Generated Node #0,3,3: 71:[73, 60] Operation: 86-26=60 Exploring Operation: 73-26=47, Resulting Numbers: [86, 47] Generated Node #0,3,4: 71:[86, 47] Operation: 73-26=47 Moving to Node #0,0 Current State: 71:[99, 73, 13], Operations: ['86-73=13'] Exploring Operation: 99-13=86, Resulting Numbers: [73, 86] Generated Node #0,0,0: 71:[73, 86] Operation: 99-13=86 Exploring Operation: 73-13=60, Resulting Numbers: [99, 60] Generated Node #0,0,1: 71:[99, 60] Operation: 73-13=60 Exploring Operation: 99+13=112, Resulting Numbers: [73, 112] Generated Node #0,0,2: 71:[73, 112] Operation: 99+13=112 Exploring Operation: 73+13=86, Resulting Numbers: [99, 86] Generated Node #0,0,3: 71:[99, 86] Operation: 73+13=86 Exploring Operation: 99-73=26, Resulting Numbers: [13, 26] Generated Node #0,0,4: 71:[13, 26] Operation: 99-73=26 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[73, 86], Operations: ['86-73=13', '99-13=86'] Exploring Operation: 73*86=6278, Resulting Numbers: [6278] 6278,71 unequal: No Solution Exploring Operation: 73+86=159, Resulting Numbers: [159] 159,71 unequal: No Solution Exploring Operation: 86-73=13, Resulting Numbers: [13] 13,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[99, 60], Operations: ['86-73=13', '73-13=60'] Exploring Operation: 99*60=5940, Resulting Numbers: [5940] 5940,71 unequal: No Solution Exploring Operation: 99+60=159, Resulting Numbers: [159] 159,71 unequal: No Solution Exploring Operation: 99-60=39, Resulting Numbers: [39] 39,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[73, 112], Operations: ['86-73=13', '99+13=112'] Exploring Operation: 112-73=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 73+112=185, Resulting Numbers: [185] 185,71 unequal: No Solution Exploring Operation: 73*112=8176, Resulting Numbers: [8176] 8176,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 71:[99, 86], Operations: ['86-73=13', '73+13=86'] Exploring Operation: 99-86=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 99*86=8514, Resulting Numbers: [8514] 8514,71 unequal: No Solution Exploring Operation: 99+86=185, Resulting Numbers: [185] 185,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 71:[13, 26], Operations: ['86-73=13', '99-73=26'] Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 13*26=338, Resulting Numbers: [338] 338,71 unequal: No Solution Exploring Operation: 13+26=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,71 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: 71:[73, 99, 13], Operations: ['86-73=13'] Exploring Operation: 73+13=86, Resulting Numbers: [99, 86] Generated Node #0,1,0: 71:[99, 86] Operation: 73+13=86 Exploring Operation: 99+13=112, Resulting Numbers: [73, 112] Generated Node #0,1,1: 71:[73, 112] Operation: 99+13=112 Exploring Operation: 73-13=60, Resulting Numbers: [99, 60] Generated Node #0,1,2: 71:[99, 60] Operation: 73-13=60 Exploring Operation: 99-13=86, Resulting Numbers: [73, 86] Generated Node #0,1,3: 71:[73, 86] Operation: 99-13=86 Exploring Operation: 99-73=26, Resulting Numbers: [13, 26] Generated Node #0,1,4: 71:[13, 26] Operation: 99-73=26 Moving to Node #0,2,1 Current State: 71:[73, 60], Operations: ['99-73=26', '86-26=60'] Exploring Operation: 73*60=4380, Resulting Numbers: [4380] 4380,71 unequal: No Solution Exploring Operation: 73+60=133, Resulting Numbers: [133] 133,71 unequal: No Solution Exploring Operation: 73-60=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,4,1 Current State: 71:[73, 60], Operations: ['99-86=13', '73-13=60'] Exploring Operation: 73*60=4380, Resulting Numbers: [4380] 4380,71 unequal: No Solution Exploring Operation: 73-60=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 73+60=133, Resulting Numbers: [133] 133,71 unequal: No Solution Moving to Node #0,4,4 Current State: 71:[73, 60], Operations: ['99-86=13', '73-13=60'] Exploring Operation: 73*60=4380, Resulting Numbers: [4380] 4380,71 unequal: No Solution Exploring Operation: 73+60=133, Resulting Numbers: [133] 133,71 unequal: No Solution Exploring Operation: 73-60=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[73, 60], Operations: ['99-73=26', '86-26=60'] Exploring Operation: 73+60=133, Resulting Numbers: [133] 133,71 unequal: No Solution Exploring Operation: 73-60=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 73*60=4380, Resulting Numbers: [4380] 4380,71 unequal: No Solution Moving to Node #0,4,2 Current State: 71:[73, 86], Operations: ['99-86=13', '73+13=86'] Exploring Operation: 73*86=6278, Resulting Numbers: [6278] 6278,71 unequal: No Solution Exploring Operation: 86-73=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 73+86=159, Resulting Numbers: [159] 159,71 unequal: No Solution Moving to Node #0,4,3 Current State: 71:[73, 86], Operations: ['99-86=13', '73+13=86'] Exploring Operation: 73+86=159, Resulting Numbers: [159] 159,71 unequal: No Solution Exploring Operation: 86-73=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 73*86=6278, Resulting Numbers: [6278] 6278,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[73, 86], Operations: ['86-73=13', '99-13=86'] Exploring Operation: 73+86=159, Resulting Numbers: [159] 159,71 unequal: No Solution Exploring Operation: 86-73=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 73*86=6278, Resulting Numbers: [6278] 6278,71 unequal: No Solution Moving to Node #0,3,4 Current State: 71:[86, 47], Operations: ['99-73=26', '73-26=47'] Exploring Operation: 86*47=4042, Resulting Numbers: [4042] 4042,71 unequal: No Solution Exploring Operation: 86+47=133, Resulting Numbers: [133] 133,71 unequal: No Solution Exploring Operation: 86-47=39, Resulting Numbers: [39] 39,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[86, 47], Operations: ['99-73=26', '73-26=47'] Exploring Operation: 86-47=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 86+47=133, Resulting Numbers: [133] 133,71 unequal: No Solution Exploring Operation: 86*47=4042, Resulting Numbers: [4042] 4042,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[99, 60], Operations: ['86-73=13', '73-13=60'] Exploring Operation: 99*60=5940, Resulting Numbers: [5940] 5940,71 unequal: No Solution Exploring Operation: 99-60=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 99+60=159, Resulting Numbers: [159] 159,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[86, 99], Operations: ['99-73=26', '73+26=99'] Exploring Operation: 86*99=8514, Resulting Numbers: [8514] 8514,71 unequal: No Solution Exploring Operation: 86+99=185, Resulting Numbers: [185] 185,71 unequal: No Solution Exploring Operation: 99-86=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[73, 112], Operations: ['99-73=26', '86+26=112'] Exploring Operation: 73+112=185, Resulting Numbers: [185] 185,71 unequal: No Solution Exploring Operation: 112-73=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 73*112=8176, Resulting Numbers: [8176] 8176,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[99, 86], Operations: ['86-73=13', '73+13=86'] Exploring Operation: 99+86=185, Resulting Numbers: [185] 185,71 unequal: No Solution Exploring Operation: 99*86=8514, Resulting Numbers: [8514] 8514,71 unequal: No Solution Exploring Operation: 99-86=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[73, 112], Operations: ['99-73=26', '86+26=112'] Exploring Operation: 73+112=185, Resulting Numbers: [185] 185,71 unequal: No Solution Exploring Operation: 73*112=8176, Resulting Numbers: [8176] 8176,71 unequal: No Solution Exploring Operation: 112-73=39, Resulting Numbers: [39] 39,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[73, 112], Operations: ['86-73=13', '99+13=112'] Exploring Operation: 73+112=185, Resulting Numbers: [185] 185,71 unequal: No Solution Exploring Operation: 112-73=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 73*112=8176, Resulting Numbers: [8176] 8176,71 unequal: No Solution Moving to Node #0,2,4 Current State: 71:[86, 99], Operations: ['99-73=26', '73+26=99'] Exploring Operation: 99-86=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 86*99=8514, Resulting Numbers: [8514] 8514,71 unequal: No Solution Exploring Operation: 86+99=185, Resulting Numbers: [185] 185,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[26, 13], Operations: ['99-73=26', '86-73=13'] Exploring Operation: 26*13=338, Resulting Numbers: [338] 338,71 unequal: No Solution Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[13, 26], Operations: ['86-73=13', '99-73=26'] Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 13+26=39, Resulting Numbers: [39] 39,71 unequal: No Solution Exploring Operation: 13*26=338, Resulting Numbers: [338] 338,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[26, 13], Operations: ['99-73=26', '86-73=13'] Exploring Operation: 26/13=2, Resulting Numbers: [2] 2,71 unequal: No Solution Exploring Operation: 26*13=338, Resulting Numbers: [338] 338,71 unequal: No Solution Exploring Operation: 26-13=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 26+13=39, Resulting Numbers: [39] 39,71 unequal: No Solution Moving to Node #0,4,0 Current State: 71:[13, 1], Operations: ['99-86=13', '73/73=1'] Exploring Operation: 13+1=14, Resulting Numbers: [14] 14,71 unequal: No Solution Exploring Operation: 13-1=12, Resulting Numbers: [12] 12,71 unequal: No Solution Exploring Operation: 13/1=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 13*1=13, Resulting Numbers: [13] 13,71 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 24, 64, 44, 44 ]
33
[ "44+44=88", "24*88=2112", "2112/64=33" ]
Current State: 33:[24, 64, 44, 44], Operations: [] Exploring Operation: 44+44=88, Resulting Numbers: [24, 64, 88] Generated Node #2: [24, 64, 88] from Operation: 44+44=88 Current State: 33:[24, 64, 88], Operations: ['44+44=88'] Exploring Operation: 24*88=2112, Resulting Numbers: [64, 2112] Generated Node #3: [64, 2112] from Operation: 24*88=2112 Current State: 33:[64, 2112], Operations: ['44+44=88', '24*88=2112'] Exploring Operation: 2112/64=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[24, 64, 44, 44], Operations: [] Exploring Operation: 64-44=20, Resulting Numbers: [24, 44, 20] Generated Node #0,0: 33:[24, 44, 20] Operation: 64-44=20 Exploring Operation: 64-24=40, Resulting Numbers: [44, 44, 40] Generated Node #0,1: 33:[44, 44, 40] Operation: 64-24=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[24, 44, 20], Operations: ['64-44=20'] Exploring Operation: 44-24=20, Resulting Numbers: [20, 20] Generated Node #0,0,0: 33:[20, 20] Operation: 44-24=20 Exploring Operation: 24-20=4, Resulting Numbers: [44, 4] Generated Node #0,0,1: 33:[44, 4] Operation: 24-20=4 Moving to Node #0,0,1 Current State: 33:[44, 4], Operations: ['64-44=20', '24-20=4'] Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,33 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[20, 20], Operations: ['64-44=20', '44-24=20'] Exploring Operation: 20/20=1, Resulting Numbers: [1] 1,33 unequal: No Solution Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 33:[44, 44, 40], Operations: ['64-24=40'] Exploring Operation: 44/44=1, Resulting Numbers: [40, 1] Generated Node #0,1,0: 33:[40, 1] Operation: 44/44=1 Exploring Operation: 44-44=0, Resulting Numbers: [40, 0] Generated Node #0,1,1: 33:[40, 0] Operation: 44-44=0 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 33:[40, 1], Operations: ['64-24=40', '44/44=1'] Exploring Operation: 40*1=40, Resulting Numbers: [40] 40,33 unequal: No Solution Exploring Operation: 40-1=39, Resulting Numbers: [39] 39,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 33:[40, 0], Operations: ['64-24=40', '44-44=0'] Exploring Operation: 40*0=0, Resulting Numbers: [0] 0,33 unequal: No Solution Exploring Operation: 40+0=40, Resulting Numbers: [40] 40,33 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 39, 31, 33, 84 ]
17
[ "39-33=6", "84/6=14", "31-14=17" ]
Current State: 17:[39, 31, 33, 84], Operations: [] Exploring Operation: 39-33=6, Resulting Numbers: [31, 84, 6] Generated Node #2: [31, 84, 6] from Operation: 39-33=6 Current State: 17:[31, 84, 6], Operations: ['39-33=6'] Exploring Operation: 84/6=14, Resulting Numbers: [31, 14] Generated Node #3: [31, 14] from Operation: 84/6=14 Current State: 17:[31, 14], Operations: ['39-33=6', '84/6=14'] Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[39, 31, 33, 84], Operations: [] Exploring Operation: 84-33=51, Resulting Numbers: [39, 31, 51] Generated Node #0,0: 17:[39, 31, 51] Operation: 84-33=51 Exploring Operation: 84-39=45, Resulting Numbers: [31, 33, 45] Generated Node #0,1: 17:[31, 33, 45] Operation: 84-39=45 Moving to Node #0,1 Current State: 17:[31, 33, 45], Operations: ['84-39=45'] Exploring Operation: 45-33=12, Resulting Numbers: [31, 12] Generated Node #0,1,0: 17:[31, 12] Operation: 45-33=12 Exploring Operation: 45-31=14, Resulting Numbers: [33, 14] Generated Node #0,1,1: 17:[33, 14] Operation: 45-31=14 Moving to Node #0,0 Current State: 17:[39, 31, 51], Operations: ['84-33=51'] Exploring Operation: 51-39=12, Resulting Numbers: [31, 12] Generated Node #0,0,0: 17:[31, 12] Operation: 51-39=12 Exploring Operation: 51-31=20, Resulting Numbers: [39, 20] Generated Node #0,0,1: 17:[39, 20] Operation: 51-31=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[31, 12], Operations: ['84-33=51', '51-39=12'] Exploring Operation: 31+12=43, Resulting Numbers: [43] 43,17 unequal: No Solution Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[39, 20], Operations: ['84-33=51', '51-31=20'] Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,17 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,17 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: 17:[31, 12], Operations: ['84-39=45', '45-33=12'] Exploring Operation: 31-12=19, Resulting Numbers: [19] 19,17 unequal: No Solution Exploring Operation: 31+12=43, Resulting Numbers: [43] 43,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[33, 14], Operations: ['84-39=45', '45-31=14'] Exploring Operation: 33+14=47, Resulting Numbers: [47] 47,17 unequal: No Solution Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,17 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 27, 98, 66, 46 ]
51
[ "98-27=71", "66-46=20", "71-20=51" ]
Current State: 51:[27, 98, 66, 46], Operations: [] Exploring Operation: 98-27=71, Resulting Numbers: [66, 46, 71] Generated Node #2: [66, 46, 71] from Operation: 98-27=71 Current State: 51:[66, 46, 71], Operations: ['98-27=71'] Exploring Operation: 66-46=20, Resulting Numbers: [71, 20] Generated Node #3: [71, 20] from Operation: 66-46=20 Current State: 51:[71, 20], Operations: ['98-27=71', '66-46=20'] Exploring Operation: 71-20=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[27, 98, 66, 46], Operations: [] Exploring Operation: 98-46=52, Resulting Numbers: [27, 66, 52] Generated Node #0,0: 51:[27, 66, 52] Operation: 98-46=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[27, 66, 52], Operations: ['98-46=52'] Exploring Operation: 66-27=39, Resulting Numbers: [52, 39] Generated Node #0,0,0: 51:[52, 39] Operation: 66-27=39 Moving to Node #0,0,0 Current State: 51:[52, 39], Operations: ['98-46=52', '66-27=39'] Exploring Operation: 52-39=13, Resulting Numbers: [13] 13,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 85, 65, 86, 3 ]
22
[ "85-65=20", "86-20=66", "66/3=22" ]
Current State: 22:[85, 65, 86, 3], Operations: [] Exploring Operation: 85-65=20, Resulting Numbers: [86, 3, 20] Generated Node #2: [86, 3, 20] from Operation: 85-65=20 Current State: 22:[86, 3, 20], Operations: ['85-65=20'] Exploring Operation: 86-20=66, Resulting Numbers: [3, 66] Generated Node #3: [3, 66] from Operation: 86-20=66 Current State: 22:[3, 66], Operations: ['85-65=20', '86-20=66'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[85, 65, 86, 3], Operations: [] Exploring Operation: 86-85=1, Resulting Numbers: [65, 3, 1] Generated Node #0,0: 22:[65, 3, 1] Operation: 86-85=1 Moving to Node #0,0 Current State: 22:[65, 3, 1], Operations: ['86-85=1'] Exploring Operation: 65-3=62, Resulting Numbers: [1, 62] Generated Node #0,0,0: 22:[1, 62] Operation: 65-3=62 Moving to Node #0,0,0 Current State: 22:[1, 62], Operations: ['86-85=1', '65-3=62'] Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,22 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 30, 8, 34, 80 ]
31
[ "30*8=240", "240/80=3", "34-3=31" ]
Current State: 31:[30, 8, 34, 80], Operations: [] Exploring Operation: 30*8=240, Resulting Numbers: [34, 80, 240] Generated Node #2: [34, 80, 240] from Operation: 30*8=240 Current State: 31:[34, 80, 240], Operations: ['30*8=240'] Exploring Operation: 240/80=3, Resulting Numbers: [34, 3] Generated Node #3: [34, 3] from Operation: 240/80=3 Current State: 31:[34, 3], Operations: ['30*8=240', '240/80=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[30, 8, 34, 80], Operations: [] Exploring Operation: 80-8=72, Resulting Numbers: [30, 34, 72] Generated Node #0,0: 31:[30, 34, 72] Operation: 80-8=72 Exploring Operation: 80-30=50, Resulting Numbers: [8, 34, 50] Generated Node #0,1: 31:[8, 34, 50] Operation: 80-30=50 Exploring Operation: 80-34=46, Resulting Numbers: [30, 8, 46] Generated Node #0,2: 31:[30, 8, 46] Operation: 80-34=46 Exploring Operation: 34-8=26, Resulting Numbers: [30, 80, 26] Generated Node #0,3: 31:[30, 80, 26] Operation: 34-8=26 Exploring Operation: 80/8=10, Resulting Numbers: [30, 34, 10] Generated Node #0,4: 31:[30, 34, 10] Operation: 80/8=10 Start Sub Search at level 1: Moving to Node #0,4 Current State: 31:[30, 34, 10], Operations: ['80/8=10'] Exploring Operation: 34+10=44, Resulting Numbers: [30, 44] Generated Node #0,4,0: 31:[30, 44] Operation: 34+10=44 Exploring Operation: 30+10=40, Resulting Numbers: [34, 40] Generated Node #0,4,1: 31:[34, 40] Operation: 30+10=40 Exploring Operation: 30/10=3, Resulting Numbers: [34, 3] Generated Node #0,4,2: 31:[34, 3] Operation: 30/10=3 Exploring Operation: 34-10=24, Resulting Numbers: [30, 24] Generated Node #0,4,3: 31:[30, 24] Operation: 34-10=24 Exploring Operation: 30-10=20, Resulting Numbers: [34, 20] Generated Node #0,4,4: 31:[34, 20] Operation: 30-10=20 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 31:[30, 24], Operations: ['80/8=10', '34-10=24'] Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,31 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,31 unequal: No Solution Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 31:[34, 40], Operations: ['80/8=10', '30+10=40'] Exploring Operation: 34+40=74, Resulting Numbers: [74] 74,31 unequal: No Solution Exploring Operation: 40-34=6, Resulting Numbers: [6] 6,31 unequal: No Solution Exploring Operation: 34*40=1360, Resulting Numbers: [1360] 1360,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 31:[30, 44], Operations: ['80/8=10', '34+10=44'] Exploring Operation: 44-30=14, Resulting Numbers: [14] 14,31 unequal: No Solution Exploring Operation: 30+44=74, Resulting Numbers: [74] 74,31 unequal: No Solution Exploring Operation: 30*44=1320, Resulting Numbers: [1320] 1320,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 31:[34, 20], Operations: ['80/8=10', '30-10=20'] Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,31 unequal: No Solution Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,31 unequal: No Solution Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 31:[34, 3], Operations: ['80/8=10', '30/10=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[30, 8, 34, 80], Operations: [] Exploring Operation: 80/8=10, Resulting Numbers: [30, 34, 10] Generated Node #0,4: 31:[30, 34, 10] Operation: 80/8=10 Moving to Node #0,4 Current State: 31:[30, 34, 10], Operations: ['80/8=10'] Exploring Operation: 30/10=3, Resulting Numbers: [34, 3] Generated Node #0,4,2: 31:[34, 3] Operation: 30/10=3 Moving to Node #0,4,2 Current State: 31:[34, 3], Operations: ['80/8=10', '30/10=3'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.976563
hs_5
sum_heuristic
[ 57, 91, 80, 4 ]
72
[ "57+91=148", "80-4=76", "148-76=72" ]
Current State: 72:[57, 91, 80, 4], Operations: [] Exploring Operation: 57+91=148, Resulting Numbers: [80, 4, 148] Generated Node #2: [80, 4, 148] from Operation: 57+91=148 Current State: 72:[80, 4, 148], Operations: ['57+91=148'] Exploring Operation: 80-4=76, Resulting Numbers: [148, 76] Generated Node #3: [148, 76] from Operation: 80-4=76 Current State: 72:[148, 76], Operations: ['57+91=148', '80-4=76'] Exploring Operation: 148-76=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[57, 91, 80, 4], Operations: [] Exploring Operation: 91-57=34, Resulting Numbers: [80, 4, 34] Generated Node #0,0: 72:[80, 4, 34] Operation: 91-57=34 Exploring Operation: 91-80=11, Resulting Numbers: [57, 4, 11] Generated Node #0,1: 72:[57, 4, 11] Operation: 91-80=11 Exploring Operation: 80/4=20, Resulting Numbers: [57, 91, 20] Generated Node #0,2: 72:[57, 91, 20] Operation: 80/4=20 Exploring Operation: 80-57=23, Resulting Numbers: [91, 4, 23] Generated Node #0,3: 72:[91, 4, 23] Operation: 80-57=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[80, 4, 34], Operations: ['91-57=34'] Exploring Operation: 4+34=38, Resulting Numbers: [80, 38] Generated Node #0,0,0: 72:[80, 38] Operation: 4+34=38 Exploring Operation: 80/4=20, Resulting Numbers: [34, 20] Generated Node #0,0,1: 72:[34, 20] Operation: 80/4=20 Exploring Operation: 80-4=76, Resulting Numbers: [34, 76] Generated Node #0,0,2: 72:[34, 76] Operation: 80-4=76 Exploring Operation: 80-34=46, Resulting Numbers: [4, 46] Generated Node #0,0,3: 72:[4, 46] Operation: 80-34=46 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 72:[34, 20], Operations: ['91-57=34', '80/4=20'] Exploring Operation: 34-20=14, Resulting Numbers: [14] 14,72 unequal: No Solution Exploring Operation: 34+20=54, Resulting Numbers: [54] 54,72 unequal: No Solution Exploring Operation: 34*20=680, Resulting Numbers: [680] 680,72 unequal: No Solution No 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: 72:[34, 76], Operations: ['91-57=34', '80-4=76'] Exploring Operation: 34*76=2584, Resulting Numbers: [2584] 2584,72 unequal: No Solution Exploring Operation: 34+76=110, Resulting Numbers: [110] 110,72 unequal: No Solution Exploring Operation: 76-34=42, Resulting Numbers: [42] 42,72 unequal: No Solution No 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: 72:[80, 38], Operations: ['91-57=34', '4+34=38'] Exploring Operation: 80+38=118, Resulting Numbers: [118] 118,72 unequal: No Solution Exploring Operation: 80*38=3040, Resulting Numbers: [3040] 3040,72 unequal: No Solution Exploring Operation: 80-38=42, Resulting Numbers: [42] 42,72 unequal: No Solution No 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: 72:[4, 46], Operations: ['91-57=34', '80-34=46'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,72 unequal: No Solution Exploring Operation: 4+46=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 4*46=184, Resulting Numbers: [184] 184,72 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: 72:[57, 4, 11], Operations: ['91-80=11'] Exploring Operation: 11-4=7, Resulting Numbers: [57, 7] Generated Node #0,1,0: 72:[57, 7] Operation: 11-4=7 Exploring Operation: 57-11=46, Resulting Numbers: [4, 46] Generated Node #0,1,1: 72:[4, 46] Operation: 57-11=46 Exploring Operation: 57+11=68, Resulting Numbers: [4, 68] Generated Node #0,1,2: 72:[4, 68] Operation: 57+11=68 Exploring Operation: 57+4=61, Resulting Numbers: [11, 61] Generated Node #0,1,3: 72:[11, 61] Operation: 57+4=61 Moving to Node #0,1,2 Current State: 72:[4, 68], Operations: ['91-80=11', '57+11=68'] Exploring Operation: 4*68=272, Resulting Numbers: [272] 272,72 unequal: No Solution Exploring Operation: 68-4=64, Resulting Numbers: [64] 64,72 unequal: No Solution Exploring Operation: 4+68=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[57, 91, 80, 4], Operations: [] Exploring Operation: 91-80=11, Resulting Numbers: [57, 4, 11] Generated Node #0,1: 72:[57, 4, 11] Operation: 91-80=11 Moving to Node #0,1 Current State: 72:[57, 4, 11], Operations: ['91-80=11'] Exploring Operation: 57+11=68, Resulting Numbers: [4, 68] Generated Node #0,1,2: 72:[4, 68] Operation: 57+11=68 Moving to Node #0,1,2 Current State: 72:[4, 68], Operations: ['91-80=11', '57+11=68'] Exploring Operation: 4+68=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 58, 91, 5, 31 ]
46
[ "91-31=60", "60/5=12", "58-12=46" ]
Current State: 46:[58, 91, 5, 31], Operations: [] Exploring Operation: 91-31=60, Resulting Numbers: [58, 5, 60] Generated Node #2: [58, 5, 60] from Operation: 91-31=60 Current State: 46:[58, 5, 60], Operations: ['91-31=60'] Exploring Operation: 60/5=12, Resulting Numbers: [58, 12] Generated Node #3: [58, 12] from Operation: 60/5=12 Current State: 46:[58, 12], Operations: ['91-31=60', '60/5=12'] Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[58, 91, 5, 31], Operations: [] Exploring Operation: 58-31=27, Resulting Numbers: [91, 5, 27] Generated Node #0,0: 46:[91, 5, 27] Operation: 58-31=27 Exploring Operation: 91-31=60, Resulting Numbers: [58, 5, 60] Generated Node #0,1: 46:[58, 5, 60] Operation: 91-31=60 Exploring Operation: 58-5=53, Resulting Numbers: [91, 31, 53] Generated Node #0,2: 46:[91, 31, 53] Operation: 58-5=53 Exploring Operation: 91-58=33, Resulting Numbers: [5, 31, 33] Generated Node #0,3: 46:[5, 31, 33] Operation: 91-58=33 Start Sub Search at level 1: Moving to Node #0,3 Current State: 46:[5, 31, 33], Operations: ['91-58=33'] Exploring Operation: 31-5=26, Resulting Numbers: [33, 26] Generated Node #0,3,0: 46:[33, 26] Operation: 31-5=26 Exploring Operation: 5+33=38, Resulting Numbers: [31, 38] Generated Node #0,3,1: 46:[31, 38] Operation: 5+33=38 Exploring Operation: 33-31=2, Resulting Numbers: [5, 2] Generated Node #0,3,2: 46:[5, 2] Operation: 33-31=2 Exploring Operation: 33-5=28, Resulting Numbers: [31, 28] Generated Node #0,3,3: 46:[31, 28] Operation: 33-5=28 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 46:[5, 2], Operations: ['91-58=33', '33-31=2'] Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 46:[33, 26], Operations: ['91-58=33', '31-5=26'] Exploring Operation: 33+26=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 33*26=858, Resulting Numbers: [858] 858,46 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 46:[31, 28], Operations: ['91-58=33', '33-5=28'] Exploring Operation: 31-28=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 31+28=59, Resulting Numbers: [59] 59,46 unequal: No Solution Exploring Operation: 31*28=868, Resulting Numbers: [868] 868,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 46:[31, 38], Operations: ['91-58=33', '5+33=38'] Exploring Operation: 38-31=7, Resulting Numbers: [7] 7,46 unequal: No Solution Exploring Operation: 31+38=69, Resulting Numbers: [69] 69,46 unequal: No Solution Exploring Operation: 31*38=1178, Resulting Numbers: [1178] 1178,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[58, 5, 60], Operations: ['91-31=60'] Exploring Operation: 60-5=55, Resulting Numbers: [58, 55] Generated Node #0,1,0: 46:[58, 55] Operation: 60-5=55 Exploring Operation: 60/5=12, Resulting Numbers: [58, 12] Generated Node #0,1,1: 46:[58, 12] Operation: 60/5=12 Exploring Operation: 58-5=53, Resulting Numbers: [60, 53] Generated Node #0,1,2: 46:[60, 53] Operation: 58-5=53 Exploring Operation: 60-58=2, Resulting Numbers: [5, 2] Generated Node #0,1,3: 46:[5, 2] Operation: 60-58=2 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 46:[5, 2], Operations: ['91-31=60', '60-58=2'] Exploring Operation: 5*2=10, Resulting Numbers: [10] 10,46 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 46:[58, 55], Operations: ['91-31=60', '60-5=55'] Exploring Operation: 58+55=113, Resulting Numbers: [113] 113,46 unequal: No Solution Exploring Operation: 58-55=3, Resulting Numbers: [3] 3,46 unequal: No Solution Exploring Operation: 58*55=3190, Resulting Numbers: [3190] 3190,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 46:[60, 53], Operations: ['91-31=60', '58-5=53'] Exploring Operation: 60*53=3180, Resulting Numbers: [3180] 3180,46 unequal: No Solution Exploring Operation: 60+53=113, Resulting Numbers: [113] 113,46 unequal: No Solution Exploring Operation: 60-53=7, Resulting Numbers: [7] 7,46 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 46:[58, 12], Operations: ['91-31=60', '60/5=12'] Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[58, 91, 5, 31], Operations: [] Exploring Operation: 91-31=60, Resulting Numbers: [58, 5, 60] Generated Node #0,1: 46:[58, 5, 60] Operation: 91-31=60 Moving to Node #0,1 Current State: 46:[58, 5, 60], Operations: ['91-31=60'] Exploring Operation: 60/5=12, Resulting Numbers: [58, 12] Generated Node #0,1,1: 46:[58, 12] Operation: 60/5=12 Moving to Node #0,1,1 Current State: 46:[58, 12], Operations: ['91-31=60', '60/5=12'] Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_4
mult_heuristic
[ 98, 53, 72, 34 ]
58
[ "98+72=170", "170/34=5", "53+5=58" ]
Current State: 58:[98, 53, 72, 34], Operations: [] Exploring Operation: 98+72=170, Resulting Numbers: [53, 34, 170] Generated Node #2: [53, 34, 170] from Operation: 98+72=170 Current State: 58:[53, 34, 170], Operations: ['98+72=170'] Exploring Operation: 170/34=5, Resulting Numbers: [53, 5] Generated Node #3: [53, 5] from Operation: 170/34=5 Current State: 58:[53, 5], Operations: ['98+72=170', '170/34=5'] Exploring Operation: 53+5=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[98, 53, 72, 34], Operations: [] Exploring Operation: 98-72=26, Resulting Numbers: [53, 34, 26] Generated Node #0,0: 58:[53, 34, 26] Operation: 98-72=26 Exploring Operation: 98-34=64, Resulting Numbers: [53, 72, 64] Generated Node #0,1: 58:[53, 72, 64] Operation: 98-34=64 Moving to Node #0,0 Current State: 58:[53, 34, 26], Operations: ['98-72=26'] Exploring Operation: 34+26=60, Resulting Numbers: [53, 60] Generated Node #0,0,0: 58:[53, 60] Operation: 34+26=60 Exploring Operation: 53-26=27, Resulting Numbers: [34, 27] Generated Node #0,0,1: 58:[34, 27] Operation: 53-26=27 Moving to Node #0,1 Current State: 58:[53, 72, 64], Operations: ['98-34=64'] Exploring Operation: 72-53=19, Resulting Numbers: [64, 19] Generated Node #0,1,0: 58:[64, 19] Operation: 72-53=19 Exploring Operation: 72-64=8, Resulting Numbers: [53, 8] Generated Node #0,1,1: 58:[53, 8] Operation: 72-64=8 Moving to Node #0,0,0 Current State: 58:[53, 60], Operations: ['98-72=26', '34+26=60'] Exploring Operation: 60-53=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 53+60=113, Resulting Numbers: [113] 113,58 unequal: No Solution Moving to Node #0,0,1 Current State: 58:[34, 27], Operations: ['98-72=26', '53-26=27'] Exploring Operation: 34+27=61, Resulting Numbers: [61] 61,58 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,58 unequal: No Solution Moving to Node #0,1,1 Current State: 58:[53, 8], Operations: ['98-34=64', '72-64=8'] Exploring Operation: 53+8=61, Resulting Numbers: [61] 61,58 unequal: No Solution Exploring Operation: 53-8=45, Resulting Numbers: [45] 45,58 unequal: No Solution Moving to Node #0,1,0 Current State: 58:[64, 19], Operations: ['98-34=64', '72-53=19'] Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,58 unequal: No Solution Exploring Operation: 64+19=83, Resulting Numbers: [83] 83,58 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 51, 40, 45, 70 ]
37
[ "45-40=5", "70/5=14", "51-14=37" ]
Current State: 37:[51, 40, 45, 70], Operations: [] Exploring Operation: 45-40=5, Resulting Numbers: [51, 70, 5] Generated Node #2: [51, 70, 5] from Operation: 45-40=5 Current State: 37:[51, 70, 5], Operations: ['45-40=5'] Exploring Operation: 70/5=14, Resulting Numbers: [51, 14] Generated Node #3: [51, 14] from Operation: 70/5=14 Current State: 37:[51, 14], Operations: ['45-40=5', '70/5=14'] Exploring Operation: 51-14=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[51, 40, 45, 70], Operations: [] Exploring Operation: 70-51=19, Resulting Numbers: [40, 45, 19] Generated Node #0,0: 37:[40, 45, 19] Operation: 70-51=19 Exploring Operation: 70-40=30, Resulting Numbers: [51, 45, 30] Generated Node #0,1: 37:[51, 45, 30] Operation: 70-40=30 Moving to Node #0,0 Current State: 37:[40, 45, 19], Operations: ['70-51=19'] Exploring Operation: 45-19=26, Resulting Numbers: [40, 26] Generated Node #0,0,0: 37:[40, 26] Operation: 45-19=26 Exploring Operation: 40-19=21, Resulting Numbers: [45, 21] Generated Node #0,0,1: 37:[45, 21] Operation: 40-19=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 37:[40, 26], Operations: ['70-51=19', '45-19=26'] Exploring Operation: 40+26=66, Resulting Numbers: [66] 66,37 unequal: No Solution Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 37:[45, 21], Operations: ['70-51=19', '40-19=21'] Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,37 unequal: No Solution Exploring Operation: 45+21=66, Resulting Numbers: [66] 66,37 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: 37:[51, 45, 30], Operations: ['70-40=30'] Exploring Operation: 45-30=15, Resulting Numbers: [51, 15] Generated Node #0,1,0: 37:[51, 15] Operation: 45-30=15 Exploring Operation: 51-30=21, Resulting Numbers: [45, 21] Generated Node #0,1,1: 37:[45, 21] Operation: 51-30=21 Moving to Node #0,1,1 Current State: 37:[45, 21], Operations: ['70-40=30', '51-30=21'] Exploring Operation: 45+21=66, Resulting Numbers: [66] 66,37 unequal: No Solution Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[51, 15], Operations: ['70-40=30', '45-30=15'] Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 51+15=66, Resulting Numbers: [66] 66,37 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 40, 28, 67, 24 ]
65
[ "40-28=12", "24/12=2", "67-2=65" ]
Current State: 65:[40, 28, 67, 24], Operations: [] Exploring Operation: 40-28=12, Resulting Numbers: [67, 24, 12] Generated Node #2: [67, 24, 12] from Operation: 40-28=12 Current State: 65:[67, 24, 12], Operations: ['40-28=12'] Exploring Operation: 24/12=2, Resulting Numbers: [67, 2] Generated Node #3: [67, 2] from Operation: 24/12=2 Current State: 65:[67, 2], Operations: ['40-28=12', '24/12=2'] Exploring Operation: 67-2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[40, 28, 67, 24], Operations: [] Exploring Operation: 40-28=12, Resulting Numbers: [67, 24, 12] Generated Node #0,0: 65:[67, 24, 12] Operation: 40-28=12 Moving to Node #0,0 Current State: 65:[67, 24, 12], Operations: ['40-28=12'] Exploring Operation: 24-12=12, Resulting Numbers: [67, 12] Generated Node #0,0,0: 65:[67, 12] Operation: 24-12=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 65:[67, 12], Operations: ['40-28=12', '24-12=12'] Exploring Operation: 67-12=55, Resulting Numbers: [55] 55,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 2, 54, 5, 86 ]
22
[ "2*5=10", "86-54=32", "32-10=22" ]
Current State: 22:[2, 54, 5, 86], Operations: [] Exploring Operation: 2*5=10, Resulting Numbers: [54, 86, 10] Generated Node #2: [54, 86, 10] from Operation: 2*5=10 Current State: 22:[54, 86, 10], Operations: ['2*5=10'] Exploring Operation: 86-54=32, Resulting Numbers: [10, 32] Generated Node #3: [10, 32] from Operation: 86-54=32 Current State: 22:[10, 32], Operations: ['2*5=10', '86-54=32'] Exploring Operation: 32-10=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[2, 54, 5, 86], Operations: [] Exploring Operation: 86-54=32, Resulting Numbers: [2, 5, 32] Generated Node #0,0: 22:[2, 5, 32] Operation: 86-54=32 Moving to Node #0,0 Current State: 22:[2, 5, 32], Operations: ['86-54=32'] Exploring Operation: 32-5=27, Resulting Numbers: [2, 27] Generated Node #0,0,0: 22:[2, 27] Operation: 32-5=27 Moving to Node #0,0,0 Current State: 22:[2, 27], Operations: ['86-54=32', '32-5=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,22 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 72, 36, 37, 59 ]
60
[ "72-36=36", "37+59=96", "96-36=60" ]
Current State: 60:[72, 36, 37, 59], Operations: [] Exploring Operation: 72-36=36, Resulting Numbers: [37, 59, 36] Generated Node #2: [37, 59, 36] from Operation: 72-36=36 Current State: 60:[37, 59, 36], Operations: ['72-36=36'] Exploring Operation: 37+59=96, Resulting Numbers: [36, 96] Generated Node #3: [36, 96] from Operation: 37+59=96 Current State: 60:[36, 96], Operations: ['72-36=36', '37+59=96'] Exploring Operation: 96-36=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[72, 36, 37, 59], Operations: [] Exploring Operation: 72/36=2, Resulting Numbers: [37, 59, 2] Generated Node #0,0: 60:[37, 59, 2] Operation: 72/36=2 Exploring Operation: 72-59=13, Resulting Numbers: [36, 37, 13] Generated Node #0,1: 60:[36, 37, 13] Operation: 72-59=13 Exploring Operation: 72-37=35, Resulting Numbers: [36, 59, 35] Generated Node #0,2: 60:[36, 59, 35] Operation: 72-37=35 Exploring Operation: 72-36=36, Resulting Numbers: [37, 59, 36] Generated Node #0,3: 60:[37, 59, 36] Operation: 72-36=36 Moving to Node #0,0 Current State: 60:[37, 59, 2], Operations: ['72/36=2'] Exploring Operation: 59-37=22, Resulting Numbers: [2, 22] Generated Node #0,0,0: 60:[2, 22] Operation: 59-37=22 Exploring Operation: 59+2=61, Resulting Numbers: [37, 61] Generated Node #0,0,1: 60:[37, 61] Operation: 59+2=61 Exploring Operation: 37-2=35, Resulting Numbers: [59, 35] Generated Node #0,0,2: 60:[59, 35] Operation: 37-2=35 Exploring Operation: 37+2=39, Resulting Numbers: [59, 39] Generated Node #0,0,3: 60:[59, 39] Operation: 37+2=39 Moving to Node #0,2 Current State: 60:[36, 59, 35], Operations: ['72-37=35'] Exploring Operation: 36+35=71, Resulting Numbers: [59, 71] Generated Node #0,2,0: 60:[59, 71] Operation: 36+35=71 Exploring Operation: 59-35=24, Resulting Numbers: [36, 24] Generated Node #0,2,1: 60:[36, 24] Operation: 59-35=24 Exploring Operation: 59-36=23, Resulting Numbers: [35, 23] Generated Node #0,2,2: 60:[35, 23] Operation: 59-36=23 Exploring Operation: 36-35=1, Resulting Numbers: [59, 1] Generated Node #0,2,3: 60:[59, 1] Operation: 36-35=1 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 60:[59, 1], Operations: ['72-37=35', '36-35=1'] Exploring Operation: 59*1=59, Resulting Numbers: [59] 59,60 unequal: No Solution Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[72, 36, 37, 59], Operations: [] Exploring Operation: 72-37=35, Resulting Numbers: [36, 59, 35] Generated Node #0,2: 60:[36, 59, 35] Operation: 72-37=35 Moving to Node #0,2 Current State: 60:[36, 59, 35], Operations: ['72-37=35'] Exploring Operation: 36-35=1, Resulting Numbers: [59, 1] Generated Node #0,2,3: 60:[59, 1] Operation: 36-35=1 Moving to Node #0,2,3 Current State: 60:[59, 1], Operations: ['72-37=35', '36-35=1'] Exploring Operation: 59+1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 51, 78, 90, 77 ]
38
[ "51+78=129", "90+77=167", "167-129=38" ]
Current State: 38:[51, 78, 90, 77], Operations: [] Exploring Operation: 51+78=129, Resulting Numbers: [90, 77, 129] Generated Node #2: [90, 77, 129] from Operation: 51+78=129 Current State: 38:[90, 77, 129], Operations: ['51+78=129'] Exploring Operation: 90+77=167, Resulting Numbers: [129, 167] Generated Node #3: [129, 167] from Operation: 90+77=167 Current State: 38:[129, 167], Operations: ['51+78=129', '90+77=167'] Exploring Operation: 167-129=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[51, 78, 90, 77], Operations: [] Exploring Operation: 78-77=1, Resulting Numbers: [51, 90, 1] Generated Node #0,0: 38:[51, 90, 1] Operation: 78-77=1 Exploring Operation: 90-77=13, Resulting Numbers: [51, 78, 13] Generated Node #0,1: 38:[51, 78, 13] Operation: 90-77=13 Exploring Operation: 90-78=12, Resulting Numbers: [51, 77, 12] Generated Node #0,2: 38:[51, 77, 12] Operation: 90-78=12 Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[51, 78, 13], Operations: ['90-77=13'] Exploring Operation: 78/13=6, Resulting Numbers: [51, 6] Generated Node #0,1,0: 38:[51, 6] Operation: 78/13=6 Exploring Operation: 51-13=38, Resulting Numbers: [78, 38] Generated Node #0,1,1: 38:[78, 38] Operation: 51-13=38 Exploring Operation: 78-51=27, Resulting Numbers: [13, 27] Generated Node #0,1,2: 38:[13, 27] Operation: 78-51=27 Moving to Node #0,1,2 Current State: 38:[13, 27], Operations: ['90-77=13', '78-51=27'] Exploring Operation: 13*27=351, Resulting Numbers: [351] 351,38 unequal: No Solution Exploring Operation: 27-13=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 13+27=40, Resulting Numbers: [40] 40,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[51, 6], Operations: ['90-77=13', '78/13=6'] Exploring Operation: 51*6=306, Resulting Numbers: [306] 306,38 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,38 unequal: No Solution Exploring Operation: 51+6=57, Resulting Numbers: [57] 57,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[78, 38], Operations: ['90-77=13', '51-13=38'] Exploring Operation: 78*38=2964, Resulting Numbers: [2964] 2964,38 unequal: No Solution Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,38 unequal: No Solution Exploring Operation: 78+38=116, Resulting Numbers: [116] 116,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[51, 77, 12], Operations: ['90-78=12'] Exploring Operation: 51-12=39, Resulting Numbers: [77, 39] Generated Node #0,2,0: 38:[77, 39] Operation: 51-12=39 Exploring Operation: 77-51=26, Resulting Numbers: [12, 26] Generated Node #0,2,1: 38:[12, 26] Operation: 77-51=26 Exploring Operation: 77-12=65, Resulting Numbers: [51, 65] Generated Node #0,2,2: 38:[51, 65] Operation: 77-12=65 Moving to Node #0,2,1 Current State: 38:[12, 26], Operations: ['90-78=12', '77-51=26'] Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[51, 78, 90, 77], Operations: [] Exploring Operation: 90-78=12, Resulting Numbers: [51, 77, 12] Generated Node #0,2: 38:[51, 77, 12] Operation: 90-78=12 Moving to Node #0,2 Current State: 38:[51, 77, 12], Operations: ['90-78=12'] Exploring Operation: 77-51=26, Resulting Numbers: [12, 26] Generated Node #0,2,1: 38:[12, 26] Operation: 77-51=26 Moving to Node #0,2,1 Current State: 38:[12, 26], Operations: ['90-78=12', '77-51=26'] Exploring Operation: 12+26=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 93, 92, 21, 78 ]
57
[ "93-92=1", "78-21=57", "1*57=57" ]
Current State: 57:[93, 92, 21, 78], Operations: [] Exploring Operation: 93-92=1, Resulting Numbers: [21, 78, 1] Generated Node #2: [21, 78, 1] from Operation: 93-92=1 Current State: 57:[21, 78, 1], Operations: ['93-92=1'] Exploring Operation: 78-21=57, Resulting Numbers: [1, 57] Generated Node #3: [1, 57] from Operation: 78-21=57 Current State: 57:[1, 57], Operations: ['93-92=1', '78-21=57'] Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[93, 92, 21, 78], Operations: [] Exploring Operation: 93-92=1, Resulting Numbers: [21, 78, 1] Generated Node #0,0: 57:[21, 78, 1] Operation: 93-92=1 Moving to Node #0,0 Current State: 57:[21, 78, 1], Operations: ['93-92=1'] Exploring Operation: 78-21=57, Resulting Numbers: [1, 57] Generated Node #0,0,0: 57:[1, 57] Operation: 78-21=57 Moving to Node #0,0,0 Current State: 57:[1, 57], Operations: ['93-92=1', '78-21=57'] Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[93, 92, 21, 78], Operations: [] Exploring Operation: 93-92=1, Resulting Numbers: [21, 78, 1] Generated Node #0,0: 57:[21, 78, 1] Operation: 93-92=1 Moving to Node #0,0 Current State: 57:[21, 78, 1], Operations: ['93-92=1'] Exploring Operation: 78-21=57, Resulting Numbers: [1, 57] Generated Node #0,0,0: 57:[1, 57] Operation: 78-21=57 Moving to Node #0,0,0 Current State: 57:[1, 57], Operations: ['93-92=1', '78-21=57'] Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 30, 6, 6, 74 ]
45
[ "74-30=44", "6/6=1", "44+1=45" ]
Current State: 45:[30, 6, 6, 74], Operations: [] Exploring Operation: 74-30=44, Resulting Numbers: [6, 6, 44] Generated Node #2: [6, 6, 44] from Operation: 74-30=44 Current State: 45:[6, 6, 44], Operations: ['74-30=44'] Exploring Operation: 6/6=1, Resulting Numbers: [44, 1] Generated Node #3: [44, 1] from Operation: 6/6=1 Current State: 45:[44, 1], Operations: ['74-30=44', '6/6=1'] Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[30, 6, 6, 74], Operations: [] Exploring Operation: 30+6=36, Resulting Numbers: [6, 74, 36] Generated Node #0,0: 45:[6, 74, 36] Operation: 30+6=36 Exploring Operation: 30/6=5, Resulting Numbers: [6, 74, 5] Generated Node #0,1: 45:[6, 74, 5] Operation: 30/6=5 Exploring Operation: 30/6=5, Resulting Numbers: [6, 74, 5] Generated Node #0,2: 45:[6, 74, 5] Operation: 30/6=5 Exploring Operation: 74-30=44, Resulting Numbers: [6, 6, 44] Generated Node #0,3: 45:[6, 6, 44] Operation: 74-30=44 Moving to Node #0,3 Current State: 45:[6, 6, 44], Operations: ['74-30=44'] Exploring Operation: 6-6=0, Resulting Numbers: [44, 0] Generated Node #0,3,0: 45:[44, 0] Operation: 6-6=0 Exploring Operation: 6+44=50, Resulting Numbers: [6, 50] Generated Node #0,3,1: 45:[6, 50] Operation: 6+44=50 Exploring Operation: 6/6=1, Resulting Numbers: [44, 1] Generated Node #0,3,2: 45:[44, 1] Operation: 6/6=1 Exploring Operation: 6+6=12, Resulting Numbers: [44, 12] Generated Node #0,3,3: 45:[44, 12] Operation: 6+6=12 Moving to Node #0,2 Current State: 45:[6, 74, 5], Operations: ['30/6=5'] Exploring Operation: 6-5=1, Resulting Numbers: [74, 1] Generated Node #0,2,0: 45:[74, 1] Operation: 6-5=1 Exploring Operation: 6+5=11, Resulting Numbers: [74, 11] Generated Node #0,2,1: 45:[74, 11] Operation: 6+5=11 Exploring Operation: 74-6=68, Resulting Numbers: [5, 68] Generated Node #0,2,2: 45:[5, 68] Operation: 74-6=68 Exploring Operation: 74-5=69, Resulting Numbers: [6, 69] Generated Node #0,2,3: 45:[6, 69] Operation: 74-5=69 Moving to Node #0,1 Current State: 45:[6, 74, 5], Operations: ['30/6=5'] Exploring Operation: 74-6=68, Resulting Numbers: [5, 68] Generated Node #0,1,0: 45:[5, 68] Operation: 74-6=68 Exploring Operation: 6-5=1, Resulting Numbers: [74, 1] Generated Node #0,1,1: 45:[74, 1] Operation: 6-5=1 Exploring Operation: 6+5=11, Resulting Numbers: [74, 11] Generated Node #0,1,2: 45:[74, 11] Operation: 6+5=11 Exploring Operation: 74-5=69, Resulting Numbers: [6, 69] Generated Node #0,1,3: 45:[6, 69] Operation: 74-5=69 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 45:[5, 68], Operations: ['30/6=5', '74-6=68'] Exploring Operation: 5*68=340, Resulting Numbers: [340] 340,45 unequal: No Solution Exploring Operation: 5+68=73, Resulting Numbers: [73] 73,45 unequal: No Solution Exploring Operation: 68-5=63, Resulting Numbers: [63] 63,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 45:[6, 69], Operations: ['30/6=5', '74-5=69'] Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,45 unequal: No Solution Exploring Operation: 6*69=414, Resulting Numbers: [414] 414,45 unequal: No Solution Exploring Operation: 6+69=75, Resulting Numbers: [75] 75,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 45:[74, 1], Operations: ['30/6=5', '6-5=1'] Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,45 unequal: No Solution Exploring Operation: 74+1=75, Resulting Numbers: [75] 75,45 unequal: No Solution Exploring Operation: 74/1=74, Resulting Numbers: [74] 74,45 unequal: No Solution Exploring Operation: 74*1=74, Resulting Numbers: [74] 74,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 45:[74, 11], Operations: ['30/6=5', '6+5=11'] Exploring Operation: 74+11=85, Resulting Numbers: [85] 85,45 unequal: No Solution Exploring Operation: 74*11=814, Resulting Numbers: [814] 814,45 unequal: No Solution Exploring Operation: 74-11=63, Resulting Numbers: [63] 63,45 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: 45:[6, 74, 36], Operations: ['30+6=36'] Exploring Operation: 74-6=68, Resulting Numbers: [36, 68] Generated Node #0,0,0: 45:[36, 68] Operation: 74-6=68 Exploring Operation: 36/6=6, Resulting Numbers: [74, 6] Generated Node #0,0,1: 45:[74, 6] Operation: 36/6=6 Exploring Operation: 6+36=42, Resulting Numbers: [74, 42] Generated Node #0,0,2: 45:[74, 42] Operation: 6+36=42 Exploring Operation: 74-36=38, Resulting Numbers: [6, 38] Generated Node #0,0,3: 45:[6, 38] Operation: 74-36=38 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 45:[6, 38], Operations: ['30+6=36', '74-36=38'] Exploring Operation: 6*38=228, Resulting Numbers: [228] 228,45 unequal: No Solution Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,45 unequal: No Solution Exploring Operation: 6+38=44, Resulting Numbers: [44] 44,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 45:[74, 6], Operations: ['30+6=36', '36/6=6'] Exploring Operation: 74+6=80, Resulting Numbers: [80] 80,45 unequal: No Solution Exploring Operation: 74*6=444, Resulting Numbers: [444] 444,45 unequal: No Solution Exploring Operation: 74-6=68, Resulting Numbers: [68] 68,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 45:[36, 68], Operations: ['30+6=36', '74-6=68'] Exploring Operation: 36*68=2448, Resulting Numbers: [2448] 2448,45 unequal: No Solution Exploring Operation: 36+68=104, Resulting Numbers: [104] 104,45 unequal: No Solution Exploring Operation: 68-36=32, Resulting Numbers: [32] 32,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 45:[74, 42], Operations: ['30+6=36', '6+36=42'] Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,45 unequal: No Solution Exploring Operation: 74+42=116, Resulting Numbers: [116] 116,45 unequal: No Solution Exploring Operation: 74*42=3108, Resulting Numbers: [3108] 3108,45 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 45:[44, 1], Operations: ['74-30=44', '6/6=1'] Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[30, 6, 6, 74], Operations: [] Exploring Operation: 74-30=44, Resulting Numbers: [6, 6, 44] Generated Node #0,3: 45:[6, 6, 44] Operation: 74-30=44 Moving to Node #0,3 Current State: 45:[6, 6, 44], Operations: ['74-30=44'] Exploring Operation: 6/6=1, Resulting Numbers: [44, 1] Generated Node #0,3,2: 45:[44, 1] Operation: 6/6=1 Moving to Node #0,3,2 Current State: 45:[44, 1], Operations: ['74-30=44', '6/6=1'] Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
0.955729
hs_4
mult_heuristic
[ 46, 44, 7, 28 ]
98
[ "46-44=2", "7*28=196", "196/2=98" ]
Current State: 98:[46, 44, 7, 28], Operations: [] Exploring Operation: 46-44=2, Resulting Numbers: [7, 28, 2] Generated Node #2: [7, 28, 2] from Operation: 46-44=2 Current State: 98:[7, 28, 2], Operations: ['46-44=2'] Exploring Operation: 7*28=196, Resulting Numbers: [2, 196] Generated Node #3: [2, 196] from Operation: 7*28=196 Current State: 98:[2, 196], Operations: ['46-44=2', '7*28=196'] Exploring Operation: 196/2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[46, 44, 7, 28], Operations: [] Exploring Operation: 44-28=16, Resulting Numbers: [46, 7, 16] Generated Node #0,0: 98:[46, 7, 16] Operation: 44-28=16 Exploring Operation: 46-28=18, Resulting Numbers: [44, 7, 18] Generated Node #0,1: 98:[44, 7, 18] Operation: 46-28=18 Moving to Node #0,0 Current State: 98:[46, 7, 16], Operations: ['44-28=16'] Exploring Operation: 46+7=53, Resulting Numbers: [16, 53] Generated Node #0,0,0: 98:[16, 53] Operation: 46+7=53 Exploring Operation: 16-7=9, Resulting Numbers: [46, 9] Generated Node #0,0,1: 98:[46, 9] Operation: 16-7=9 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[46, 9], Operations: ['44-28=16', '16-7=9'] Exploring Operation: 46+9=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 46-9=37, Resulting Numbers: [37] 37,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[16, 53], Operations: ['44-28=16', '46+7=53'] Exploring Operation: 53-16=37, Resulting Numbers: [37] 37,98 unequal: No Solution Exploring Operation: 16+53=69, Resulting Numbers: [69] 69,98 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: 98:[44, 7, 18], Operations: ['46-28=18'] Exploring Operation: 44+7=51, Resulting Numbers: [18, 51] Generated Node #0,1,0: 98:[18, 51] Operation: 44+7=51 Exploring Operation: 18-7=11, Resulting Numbers: [44, 11] Generated Node #0,1,1: 98:[44, 11] Operation: 18-7=11 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[18, 51], Operations: ['46-28=18', '44+7=51'] Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,98 unequal: No Solution Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[44, 11], Operations: ['46-28=18', '18-7=11'] Exploring Operation: 44+11=55, Resulting Numbers: [55] 55,98 unequal: No Solution Exploring Operation: 44/11=4, Resulting Numbers: [4] 4,98 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
[ 19, 1, 26, 53 ]
98
[ "19*1=19", "26+53=79", "19+79=98" ]
Current State: 98:[19, 1, 26, 53], Operations: [] Exploring Operation: 19*1=19, Resulting Numbers: [26, 53, 19] Generated Node #2: [26, 53, 19] from Operation: 19*1=19 Current State: 98:[26, 53, 19], Operations: ['19*1=19'] Exploring Operation: 26+53=79, Resulting Numbers: [19, 79] Generated Node #3: [19, 79] from Operation: 26+53=79 Current State: 98:[19, 79], Operations: ['19*1=19', '26+53=79'] Exploring Operation: 19+79=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[19, 1, 26, 53], Operations: [] Exploring Operation: 19+26=45, Resulting Numbers: [1, 53, 45] Generated Node #0,0: 98:[1, 53, 45] Operation: 19+26=45 Exploring Operation: 53-26=27, Resulting Numbers: [19, 1, 27] Generated Node #0,1: 98:[19, 1, 27] Operation: 53-26=27 Exploring Operation: 26-19=7, Resulting Numbers: [1, 53, 7] Generated Node #0,2: 98:[1, 53, 7] Operation: 26-19=7 Exploring Operation: 19-1=18, Resulting Numbers: [26, 53, 18] Generated Node #0,3: 98:[26, 53, 18] Operation: 19-1=18 Moving to Node #0,2 Current State: 98:[1, 53, 7], Operations: ['26-19=7'] Exploring Operation: 1*7=7, Resulting Numbers: [53, 7] Generated Node #0,2,0: 98:[53, 7] Operation: 1*7=7 Exploring Operation: 1*53=53, Resulting Numbers: [7, 53] Generated Node #0,2,1: 98:[7, 53] Operation: 1*53=53 Exploring Operation: 53-1=52, Resulting Numbers: [7, 52] Generated Node #0,2,2: 98:[7, 52] Operation: 53-1=52 Exploring Operation: 53/1=53, Resulting Numbers: [7, 53] Generated Node #0,2,3: 98:[7, 53] Operation: 53/1=53 Moving to Node #0,0 Current State: 98:[1, 53, 45], Operations: ['19+26=45'] Exploring Operation: 53-1=52, Resulting Numbers: [45, 52] Generated Node #0,0,0: 98:[45, 52] Operation: 53-1=52 Exploring Operation: 53-45=8, Resulting Numbers: [1, 8] Generated Node #0,0,1: 98:[1, 8] Operation: 53-45=8 Exploring Operation: 53+45=98, Resulting Numbers: [1, 98] Generated Node #0,0,2: 98:[1, 98] Operation: 53+45=98 Exploring Operation: 1+45=46, Resulting Numbers: [53, 46] Generated Node #0,0,3: 98:[53, 46] Operation: 1+45=46 Moving to Node #0,1 Current State: 98:[19, 1, 27], Operations: ['53-26=27'] Exploring Operation: 19+27=46, Resulting Numbers: [1, 46] Generated Node #0,1,0: 98:[1, 46] Operation: 19+27=46 Exploring Operation: 27-1=26, Resulting Numbers: [19, 26] Generated Node #0,1,1: 98:[19, 26] Operation: 27-1=26 Exploring Operation: 19-1=18, Resulting Numbers: [27, 18] Generated Node #0,1,2: 98:[27, 18] Operation: 19-1=18 Exploring Operation: 27-19=8, Resulting Numbers: [1, 8] Generated Node #0,1,3: 98:[1, 8] Operation: 27-19=8 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 98:[1, 8], Operations: ['53-26=27', '27-19=8'] Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,98 unequal: No Solution Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[1, 46], Operations: ['53-26=27', '19+27=46'] Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,98 unequal: No Solution Exploring Operation: 1+46=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 1*46=46, Resulting Numbers: [46] 46,98 unequal: No Solution Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[19, 26], Operations: ['53-26=27', '27-1=26'] Exploring Operation: 19+26=45, Resulting Numbers: [45] 45,98 unequal: No Solution Exploring Operation: 19*26=494, Resulting Numbers: [494] 494,98 unequal: No Solution Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 98:[27, 18], Operations: ['53-26=27', '19-1=18'] Exploring Operation: 27*18=486, Resulting Numbers: [486] 486,98 unequal: No Solution Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,98 unequal: No Solution Exploring Operation: 27+18=45, Resulting Numbers: [45] 45,98 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: 98:[26, 53, 18], Operations: ['19-1=18'] Exploring Operation: 53-26=27, Resulting Numbers: [18, 27] Generated Node #0,3,0: 98:[18, 27] Operation: 53-26=27 Exploring Operation: 26+18=44, Resulting Numbers: [53, 44] Generated Node #0,3,1: 98:[53, 44] Operation: 26+18=44 Exploring Operation: 26-18=8, Resulting Numbers: [53, 8] Generated Node #0,3,2: 98:[53, 8] Operation: 26-18=8 Exploring Operation: 26+53=79, Resulting Numbers: [18, 79] Generated Node #0,3,3: 98:[18, 79] Operation: 26+53=79 Moving to Node #0,0,2 Current State: 98:[1, 98], Operations: ['19+26=45', '53+45=98'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,98 unequal: No Solution Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[19, 1, 26, 53], Operations: [] Exploring Operation: 19+26=45, Resulting Numbers: [1, 53, 45] Generated Node #0,0: 98:[1, 53, 45] Operation: 19+26=45 Moving to Node #0,0 Current State: 98:[1, 53, 45], Operations: ['19+26=45'] Exploring Operation: 53+45=98, Resulting Numbers: [1, 98] Generated Node #0,0,2: 98:[1, 98] Operation: 53+45=98 Moving to Node #0,0,2 Current State: 98:[1, 98], Operations: ['19+26=45', '53+45=98'] Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
0.965278
hs_4
mult_heuristic
[ 78, 54, 49, 84 ]
52
[ "78+84=162", "162/54=3", "49+3=52" ]
Current State: 52:[78, 54, 49, 84], Operations: [] Exploring Operation: 78+84=162, Resulting Numbers: [54, 49, 162] Generated Node #2: [54, 49, 162] from Operation: 78+84=162 Current State: 52:[54, 49, 162], Operations: ['78+84=162'] Exploring Operation: 162/54=3, Resulting Numbers: [49, 3] Generated Node #3: [49, 3] from Operation: 162/54=3 Current State: 52:[49, 3], Operations: ['78+84=162', '162/54=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[78, 54, 49, 84], Operations: [] Exploring Operation: 84-78=6, Resulting Numbers: [54, 49, 6] Generated Node #0,0: 52:[54, 49, 6] Operation: 84-78=6 Exploring Operation: 78-54=24, Resulting Numbers: [49, 84, 24] Generated Node #0,1: 52:[49, 84, 24] Operation: 78-54=24 Exploring Operation: 84-54=30, Resulting Numbers: [78, 49, 30] Generated Node #0,2: 52:[78, 49, 30] Operation: 84-54=30 Moving to Node #0,0 Current State: 52:[54, 49, 6], Operations: ['84-78=6'] Exploring Operation: 54-6=48, Resulting Numbers: [49, 48] Generated Node #0,0,0: 52:[49, 48] Operation: 54-6=48 Exploring Operation: 54-49=5, Resulting Numbers: [6, 5] Generated Node #0,0,1: 52:[6, 5] Operation: 54-49=5 Exploring Operation: 49+6=55, Resulting Numbers: [54, 55] Generated Node #0,0,2: 52:[54, 55] Operation: 49+6=55 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[6, 5], Operations: ['84-78=6', '54-49=5'] Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,52 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[54, 55], Operations: ['84-78=6', '49+6=55'] Exploring Operation: 54+55=109, Resulting Numbers: [109] 109,52 unequal: No Solution Exploring Operation: 55-54=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 54*55=2970, Resulting Numbers: [2970] 2970,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[49, 48], Operations: ['84-78=6', '54-6=48'] Exploring Operation: 49*48=2352, Resulting Numbers: [2352] 2352,52 unequal: No Solution Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 49+48=97, Resulting Numbers: [97] 97,52 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: 52:[78, 49, 30], Operations: ['84-54=30'] Exploring Operation: 78-30=48, Resulting Numbers: [49, 48] Generated Node #0,2,0: 52:[49, 48] Operation: 78-30=48 Exploring Operation: 78-49=29, Resulting Numbers: [30, 29] Generated Node #0,2,1: 52:[30, 29] Operation: 78-49=29 Exploring Operation: 49-30=19, Resulting Numbers: [78, 19] Generated Node #0,2,2: 52:[78, 19] Operation: 49-30=19 Moving to Node #0,1 Current State: 52:[49, 84, 24], Operations: ['78-54=24'] Exploring Operation: 84-24=60, Resulting Numbers: [49, 60] Generated Node #0,1,0: 52:[49, 60] Operation: 84-24=60 Exploring Operation: 84-49=35, Resulting Numbers: [24, 35] Generated Node #0,1,1: 52:[24, 35] Operation: 84-49=35 Exploring Operation: 49-24=25, Resulting Numbers: [84, 25] Generated Node #0,1,2: 52:[84, 25] Operation: 49-24=25 Moving to Node #0,2,0 Current State: 52:[49, 48], Operations: ['84-54=30', '78-30=48'] Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,52 unequal: No Solution Exploring Operation: 49+48=97, Resulting Numbers: [97] 97,52 unequal: No Solution Exploring Operation: 49*48=2352, Resulting Numbers: [2352] 2352,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[30, 29], Operations: ['84-54=30', '78-49=29'] Exploring Operation: 30*29=870, Resulting Numbers: [870] 870,52 unequal: No Solution Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,52 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[24, 35], Operations: ['78-54=24', '84-49=35'] Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 24+35=59, Resulting Numbers: [59] 59,52 unequal: No Solution Exploring Operation: 24*35=840, Resulting Numbers: [840] 840,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[49, 60], Operations: ['78-54=24', '84-24=60'] Exploring Operation: 49*60=2940, Resulting Numbers: [2940] 2940,52 unequal: No Solution Exploring Operation: 60-49=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 49+60=109, Resulting Numbers: [109] 109,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[78, 19], Operations: ['84-54=30', '49-30=19'] Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,52 unequal: No Solution Exploring Operation: 78*19=1482, Resulting Numbers: [1482] 1482,52 unequal: No Solution Exploring Operation: 78+19=97, Resulting Numbers: [97] 97,52 unequal: No Solution Moving to Node #0,1,2 Current State: 52:[84, 25], Operations: ['78-54=24', '49-24=25'] Exploring Operation: 84+25=109, Resulting Numbers: [109] 109,52 unequal: No Solution Exploring Operation: 84*25=2100, Resulting Numbers: [2100] 2100,52 unequal: No Solution Exploring Operation: 84-25=59, Resulting Numbers: [59] 59,52 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 90, 4, 35, 9 ]
42
[ "90-4=86", "35+9=44", "86-44=42" ]
Current State: 42:[90, 4, 35, 9], Operations: [] Exploring Operation: 90-4=86, Resulting Numbers: [35, 9, 86] Generated Node #2: [35, 9, 86] from Operation: 90-4=86 Current State: 42:[35, 9, 86], Operations: ['90-4=86'] Exploring Operation: 35+9=44, Resulting Numbers: [86, 44] Generated Node #3: [86, 44] from Operation: 35+9=44 Current State: 42:[86, 44], Operations: ['90-4=86', '35+9=44'] Exploring Operation: 86-44=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[90, 4, 35, 9], Operations: [] Exploring Operation: 90/9=10, Resulting Numbers: [4, 35, 10] Generated Node #0,0: 42:[4, 35, 10] Operation: 90/9=10 Exploring Operation: 35+9=44, Resulting Numbers: [90, 4, 44] Generated Node #0,1: 42:[90, 4, 44] Operation: 35+9=44 Exploring Operation: 90-4=86, Resulting Numbers: [35, 9, 86] Generated Node #0,2: 42:[35, 9, 86] Operation: 90-4=86 Exploring Operation: 90-35=55, Resulting Numbers: [4, 9, 55] Generated Node #0,3: 42:[4, 9, 55] Operation: 90-35=55 Exploring Operation: 90-9=81, Resulting Numbers: [4, 35, 81] Generated Node #0,4: 42:[4, 35, 81] Operation: 90-9=81 Moving to Node #0,0 Current State: 42:[4, 35, 10], Operations: ['90/9=10'] Exploring Operation: 35+10=45, Resulting Numbers: [4, 45] Generated Node #0,0,0: 42:[4, 45] Operation: 35+10=45 Exploring Operation: 4+10=14, Resulting Numbers: [35, 14] Generated Node #0,0,1: 42:[35, 14] Operation: 4+10=14 Exploring Operation: 4+35=39, Resulting Numbers: [10, 39] Generated Node #0,0,2: 42:[10, 39] Operation: 4+35=39 Exploring Operation: 10-4=6, Resulting Numbers: [35, 6] Generated Node #0,0,3: 42:[35, 6] Operation: 10-4=6 Exploring Operation: 35-10=25, Resulting Numbers: [4, 25] Generated Node #0,0,4: 42:[4, 25] Operation: 35-10=25 Moving to Node #0,3 Current State: 42:[4, 9, 55], Operations: ['90-35=55'] Exploring Operation: 9-4=5, Resulting Numbers: [55, 5] Generated Node #0,3,0: 42:[55, 5] Operation: 9-4=5 Exploring Operation: 55-9=46, Resulting Numbers: [4, 46] Generated Node #0,3,1: 42:[4, 46] Operation: 55-9=46 Exploring Operation: 55-4=51, Resulting Numbers: [9, 51] Generated Node #0,3,2: 42:[9, 51] Operation: 55-4=51 Exploring Operation: 4+9=13, Resulting Numbers: [55, 13] Generated Node #0,3,3: 42:[55, 13] Operation: 4+9=13 Exploring Operation: 4*9=36, Resulting Numbers: [55, 36] Generated Node #0,3,4: 42:[55, 36] Operation: 4*9=36 Moving to Node #0,4 Current State: 42:[4, 35, 81], Operations: ['90-9=81'] Exploring Operation: 4+35=39, Resulting Numbers: [81, 39] Generated Node #0,4,0: 42:[81, 39] Operation: 4+35=39 Exploring Operation: 81-35=46, Resulting Numbers: [4, 46] Generated Node #0,4,1: 42:[4, 46] Operation: 81-35=46 Exploring Operation: 81-4=77, Resulting Numbers: [35, 77] Generated Node #0,4,2: 42:[35, 77] Operation: 81-4=77 Exploring Operation: 35-4=31, Resulting Numbers: [81, 31] Generated Node #0,4,3: 42:[81, 31] Operation: 35-4=31 Exploring Operation: 4+81=85, Resulting Numbers: [35, 85] Generated Node #0,4,4: 42:[35, 85] Operation: 4+81=85 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 42:[4, 46], Operations: ['90-9=81', '81-35=46'] Exploring Operation: 4*46=184, Resulting Numbers: [184] 184,42 unequal: No Solution Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[90, 4, 35, 9], Operations: [] Exploring Operation: 90-9=81, Resulting Numbers: [4, 35, 81] Generated Node #0,4: 42:[4, 35, 81] Operation: 90-9=81 Moving to Node #0,4 Current State: 42:[4, 35, 81], Operations: ['90-9=81'] Exploring Operation: 81-35=46, Resulting Numbers: [4, 46] Generated Node #0,4,1: 42:[4, 46] Operation: 81-35=46 Moving to Node #0,4,1 Current State: 42:[4, 46], Operations: ['90-9=81', '81-35=46'] Exploring Operation: 46-4=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
mult_heuristic
[ 92, 10, 12, 72 ]
40
[ "92-72=20", "12-10=2", "20*2=40" ]
Current State: 40:[92, 10, 12, 72], Operations: [] Exploring Operation: 92-72=20, Resulting Numbers: [10, 12, 20] Generated Node #2: [10, 12, 20] from Operation: 92-72=20 Current State: 40:[10, 12, 20], Operations: ['92-72=20'] Exploring Operation: 12-10=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 12-10=2 Current State: 40:[20, 2], Operations: ['92-72=20', '12-10=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[92, 10, 12, 72], Operations: [] Exploring Operation: 92-72=20, Resulting Numbers: [10, 12, 20] Generated Node #0,0: 40:[10, 12, 20] Operation: 92-72=20 Exploring Operation: 72/12=6, Resulting Numbers: [92, 10, 6] Generated Node #0,1: 40:[92, 10, 6] Operation: 72/12=6 Exploring Operation: 72-12=60, Resulting Numbers: [92, 10, 60] Generated Node #0,2: 40:[92, 10, 60] Operation: 72-12=60 Exploring Operation: 92-12=80, Resulting Numbers: [10, 72, 80] Generated Node #0,3: 40:[10, 72, 80] Operation: 92-12=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[10, 12, 20], Operations: ['92-72=20'] Exploring Operation: 20-12=8, Resulting Numbers: [10, 8] Generated Node #0,0,0: 40:[10, 8] Operation: 20-12=8 Exploring Operation: 10+12=22, Resulting Numbers: [20, 22] Generated Node #0,0,1: 40:[20, 22] Operation: 10+12=22 Exploring Operation: 20-10=10, Resulting Numbers: [12, 10] Generated Node #0,0,2: 40:[12, 10] Operation: 20-10=10 Exploring Operation: 12-10=2, Resulting Numbers: [20, 2] Generated Node #0,0,3: 40:[20, 2] Operation: 12-10=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 40:[10, 8], Operations: ['92-72=20', '20-12=8'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,40 unequal: No Solution Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,40 unequal: No Solution Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,40 unequal: No Solution No 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: 40:[20, 2], Operations: ['92-72=20', '12-10=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,40 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,40 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[92, 10, 12, 72], Operations: [] Exploring Operation: 92-72=20, Resulting Numbers: [10, 12, 20] Generated Node #0,0: 40:[10, 12, 20] Operation: 92-72=20 Moving to Node #0,0 Current State: 40:[10, 12, 20], Operations: ['92-72=20'] Exploring Operation: 12-10=2, Resulting Numbers: [20, 2] Generated Node #0,0,3: 40:[20, 2] Operation: 12-10=2 Moving to Node #0,0,3 Current State: 40:[20, 2], Operations: ['92-72=20', '12-10=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 98, 97, 13, 45 ]
30
[ "98+97=195", "195/13=15", "45-15=30" ]
Current State: 30:[98, 97, 13, 45], Operations: [] Exploring Operation: 98+97=195, Resulting Numbers: [13, 45, 195] Generated Node #2: [13, 45, 195] from Operation: 98+97=195 Current State: 30:[13, 45, 195], Operations: ['98+97=195'] Exploring Operation: 195/13=15, Resulting Numbers: [45, 15] Generated Node #3: [45, 15] from Operation: 195/13=15 Current State: 30:[45, 15], Operations: ['98+97=195', '195/13=15'] Exploring Operation: 45-15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[98, 97, 13, 45], Operations: [] Exploring Operation: 98-13=85, Resulting Numbers: [97, 45, 85] Generated Node #0,0: 30:[97, 45, 85] Operation: 98-13=85 Exploring Operation: 98-97=1, Resulting Numbers: [13, 45, 1] Generated Node #0,1: 30:[13, 45, 1] Operation: 98-97=1 Exploring Operation: 98-45=53, Resulting Numbers: [97, 13, 53] Generated Node #0,2: 30:[97, 13, 53] Operation: 98-45=53 Exploring Operation: 97-45=52, Resulting Numbers: [98, 13, 52] Generated Node #0,3: 30:[98, 13, 52] Operation: 97-45=52 Moving to Node #0,1 Current State: 30:[13, 45, 1], Operations: ['98-97=1'] Exploring Operation: 13+1=14, Resulting Numbers: [45, 14] Generated Node #0,1,0: 30:[45, 14] Operation: 13+1=14 Exploring Operation: 45-1=44, Resulting Numbers: [13, 44] Generated Node #0,1,1: 30:[13, 44] Operation: 45-1=44 Exploring Operation: 45-13=32, Resulting Numbers: [1, 32] Generated Node #0,1,2: 30:[1, 32] Operation: 45-13=32 Exploring Operation: 13*1=13, Resulting Numbers: [45, 13] Generated Node #0,1,3: 30:[45, 13] Operation: 13*1=13 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 30:[1, 32], Operations: ['98-97=1', '45-13=32'] Exploring Operation: 32/1=32, Resulting Numbers: [32] 32,30 unequal: No Solution Exploring Operation: 1+32=33, Resulting Numbers: [33] 33,30 unequal: No Solution Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,30 unequal: No Solution Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[45, 14], Operations: ['98-97=1', '13+1=14'] Exploring Operation: 45*14=630, Resulting Numbers: [630] 630,30 unequal: No Solution Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,30 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[13, 44], Operations: ['98-97=1', '45-1=44'] Exploring Operation: 13+44=57, Resulting Numbers: [57] 57,30 unequal: No Solution Exploring Operation: 13*44=572, Resulting Numbers: [572] 572,30 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 30:[45, 13], Operations: ['98-97=1', '13*1=13'] Exploring Operation: 45-13=32, Resulting Numbers: [32] 32,30 unequal: No Solution Exploring Operation: 45+13=58, Resulting Numbers: [58] 58,30 unequal: No Solution Exploring Operation: 45*13=585, Resulting Numbers: [585] 585,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 30:[98, 13, 52], Operations: ['97-45=52'] Exploring Operation: 98-13=85, Resulting Numbers: [52, 85] Generated Node #0,3,0: 30:[52, 85] Operation: 98-13=85 Exploring Operation: 98-52=46, Resulting Numbers: [13, 46] Generated Node #0,3,1: 30:[13, 46] Operation: 98-52=46 Exploring Operation: 52-13=39, Resulting Numbers: [98, 39] Generated Node #0,3,2: 30:[98, 39] Operation: 52-13=39 Exploring Operation: 52/13=4, Resulting Numbers: [98, 4] Generated Node #0,3,3: 30:[98, 4] Operation: 52/13=4 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 30:[13, 46], Operations: ['97-45=52', '98-52=46'] Exploring Operation: 13*46=598, Resulting Numbers: [598] 598,30 unequal: No Solution Exploring Operation: 46-13=33, Resulting Numbers: [33] 33,30 unequal: No Solution Exploring Operation: 13+46=59, Resulting Numbers: [59] 59,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 30:[98, 4], Operations: ['97-45=52', '52/13=4'] Exploring Operation: 98-4=94, Resulting Numbers: [94] 94,30 unequal: No Solution Exploring Operation: 98+4=102, Resulting Numbers: [102] 102,30 unequal: No Solution Exploring Operation: 98*4=392, Resulting Numbers: [392] 392,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 30:[52, 85], Operations: ['97-45=52', '98-13=85'] Exploring Operation: 85-52=33, Resulting Numbers: [33] 33,30 unequal: No Solution Exploring Operation: 52+85=137, Resulting Numbers: [137] 137,30 unequal: No Solution Exploring Operation: 52*85=4420, Resulting Numbers: [4420] 4420,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 30:[98, 39], Operations: ['97-45=52', '52-13=39'] Exploring Operation: 98*39=3822, Resulting Numbers: [3822] 3822,30 unequal: No Solution Exploring Operation: 98+39=137, Resulting Numbers: [137] 137,30 unequal: No Solution Exploring Operation: 98-39=59, Resulting Numbers: [59] 59,30 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: 30:[97, 13, 53], Operations: ['98-45=53'] Exploring Operation: 53-13=40, Resulting Numbers: [97, 40] Generated Node #0,2,0: 30:[97, 40] Operation: 53-13=40 Exploring Operation: 97-13=84, Resulting Numbers: [53, 84] Generated Node #0,2,1: 30:[53, 84] Operation: 97-13=84 Exploring Operation: 97+13=110, Resulting Numbers: [53, 110] Generated Node #0,2,2: 30:[53, 110] Operation: 97+13=110 Exploring Operation: 97-53=44, Resulting Numbers: [13, 44] Generated Node #0,2,3: 30:[13, 44] Operation: 97-53=44 Moving to Node #0,0 Current State: 30:[97, 45, 85], Operations: ['98-13=85'] Exploring Operation: 97-45=52, Resulting Numbers: [85, 52] Generated Node #0,0,0: 30:[85, 52] Operation: 97-45=52 Exploring Operation: 97+45=142, Resulting Numbers: [85, 142] Generated Node #0,0,1: 30:[85, 142] Operation: 97+45=142 Exploring Operation: 97-85=12, Resulting Numbers: [45, 12] Generated Node #0,0,2: 30:[45, 12] Operation: 97-85=12 Exploring Operation: 85-45=40, Resulting Numbers: [97, 40] Generated Node #0,0,3: 30:[97, 40] Operation: 85-45=40 Moving to Node #0,2,3 Current State: 30:[13, 44], Operations: ['98-45=53', '97-53=44'] Exploring Operation: 13*44=572, Resulting Numbers: [572] 572,30 unequal: No Solution Exploring Operation: 13+44=57, Resulting Numbers: [57] 57,30 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,30 unequal: No Solution Moving to Node #0,0,2 Current State: 30:[45, 12], Operations: ['98-13=85', '97-85=12'] Exploring Operation: 45+12=57, Resulting Numbers: [57] 57,30 unequal: No Solution Exploring Operation: 45-12=33, Resulting Numbers: [33] 33,30 unequal: No Solution Exploring Operation: 45*12=540, Resulting Numbers: [540] 540,30 unequal: No Solution Moving to Node #0,2,1 Current State: 30:[53, 84], Operations: ['98-45=53', '97-13=84'] Exploring Operation: 84-53=31, Resulting Numbers: [31] 31,30 unequal: No Solution Exploring Operation: 53*84=4452, Resulting Numbers: [4452] 4452,30 unequal: No Solution Exploring Operation: 53+84=137, Resulting Numbers: [137] 137,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[85, 52], Operations: ['98-13=85', '97-45=52'] Exploring Operation: 85*52=4420, Resulting Numbers: [4420] 4420,30 unequal: No Solution Exploring Operation: 85+52=137, Resulting Numbers: [137] 137,30 unequal: No Solution Exploring Operation: 85-52=33, Resulting Numbers: [33] 33,30 unequal: No Solution Moving to Node #0,0,3 Current State: 30:[97, 40], Operations: ['98-13=85', '85-45=40'] Exploring Operation: 97+40=137, Resulting Numbers: [137] 137,30 unequal: No Solution Exploring Operation: 97-40=57, Resulting Numbers: [57] 57,30 unequal: No Solution Exploring Operation: 97*40=3880, Resulting Numbers: [3880] 3880,30 unequal: No Solution Moving to Node #0,2,0 Current State: 30:[97, 40], Operations: ['98-45=53', '53-13=40'] Exploring Operation: 97*40=3880, Resulting Numbers: [3880] 3880,30 unequal: No Solution Exploring Operation: 97+40=137, Resulting Numbers: [137] 137,30 unequal: No Solution Exploring Operation: 97-40=57, Resulting Numbers: [57] 57,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[53, 110], Operations: ['98-45=53', '97+13=110'] Exploring Operation: 110-53=57, Resulting Numbers: [57] 57,30 unequal: No Solution Exploring Operation: 53+110=163, Resulting Numbers: [163] 163,30 unequal: No Solution Exploring Operation: 53*110=5830, Resulting Numbers: [5830] 5830,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[85, 142], Operations: ['98-13=85', '97+45=142'] Exploring Operation: 85+142=227, Resulting Numbers: [227] 227,30 unequal: No Solution Exploring Operation: 85*142=12070, Resulting Numbers: [12070] 12070,30 unequal: No Solution Exploring Operation: 142-85=57, Resulting Numbers: [57] 57,30 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 33, 19, 45, 3 ]
26
[ "19*45=855", "3+855=858", "858/33=26" ]
Current State: 26:[33, 19, 45, 3], Operations: [] Exploring Operation: 19*45=855, Resulting Numbers: [33, 3, 855] Generated Node #2: [33, 3, 855] from Operation: 19*45=855 Current State: 26:[33, 3, 855], Operations: ['19*45=855'] Exploring Operation: 3+855=858, Resulting Numbers: [33, 858] Generated Node #3: [33, 858] from Operation: 3+855=858 Current State: 26:[33, 858], Operations: ['19*45=855', '3+855=858'] Exploring Operation: 858/33=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[33, 19, 45, 3], Operations: [] Exploring Operation: 45-33=12, Resulting Numbers: [19, 3, 12] Generated Node #0,0: 26:[19, 3, 12] Operation: 45-33=12 Exploring Operation: 45-19=26, Resulting Numbers: [33, 3, 26] Generated Node #0,1: 26:[33, 3, 26] Operation: 45-19=26 Moving to Node #0,0 Current State: 26:[19, 3, 12], Operations: ['45-33=12'] Exploring Operation: 19+3=22, Resulting Numbers: [12, 22] Generated Node #0,0,0: 26:[12, 22] Operation: 19+3=22 Exploring Operation: 19-3=16, Resulting Numbers: [12, 16] Generated Node #0,0,1: 26:[12, 16] Operation: 19-3=16 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 26:[12, 16], Operations: ['45-33=12', '19-3=16'] Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,26 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,26 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 #0,0,0 Current State: 26:[12, 22], Operations: ['45-33=12', '19+3=22'] Exploring Operation: 12+22=34, Resulting Numbers: [34] 34,26 unequal: No Solution Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 26:[33, 3, 26], Operations: ['45-19=26'] Exploring Operation: 33/3=11, Resulting Numbers: [26, 11] Generated Node #0,1,0: 26:[26, 11] Operation: 33/3=11 Exploring Operation: 33-3=30, Resulting Numbers: [26, 30] Generated Node #0,1,1: 26:[26, 30] Operation: 33-3=30 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 26:[26, 11], Operations: ['45-19=26', '33/3=11'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 26+11=37, Resulting Numbers: [37] 37,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 26:[26, 30], Operations: ['45-19=26', '33-3=30'] Exploring Operation: 30-26=4, Resulting Numbers: [4] 4,26 unequal: No Solution Exploring Operation: 26+30=56, Resulting Numbers: [56] 56,26 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
[ 44, 10, 17, 11 ]
11
[ "44/11=4", "17-10=7", "4+7=11" ]
Current State: 11:[44, 10, 17, 11], Operations: [] Exploring Operation: 44/11=4, Resulting Numbers: [10, 17, 4] Generated Node #2: [10, 17, 4] from Operation: 44/11=4 Current State: 11:[10, 17, 4], Operations: ['44/11=4'] Exploring Operation: 17-10=7, Resulting Numbers: [4, 7] Generated Node #3: [4, 7] from Operation: 17-10=7 Current State: 11:[4, 7], Operations: ['44/11=4', '17-10=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[44, 10, 17, 11], Operations: [] Exploring Operation: 44/11=4, Resulting Numbers: [10, 17, 4] Generated Node #0,0: 11:[10, 17, 4] Operation: 44/11=4 Exploring Operation: 44-11=33, Resulting Numbers: [10, 17, 33] Generated Node #0,1: 11:[10, 17, 33] Operation: 44-11=33 Exploring Operation: 44-17=27, Resulting Numbers: [10, 11, 27] Generated Node #0,2: 11:[10, 11, 27] Operation: 44-17=27 Exploring Operation: 44-10=34, Resulting Numbers: [17, 11, 34] Generated Node #0,3: 11:[17, 11, 34] Operation: 44-10=34 Moving to Node #0,0 Current State: 11:[10, 17, 4], Operations: ['44/11=4'] Exploring Operation: 17-10=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 11:[4, 7] Operation: 17-10=7 Exploring Operation: 17-4=13, Resulting Numbers: [10, 13] Generated Node #0,0,1: 11:[10, 13] Operation: 17-4=13 Exploring Operation: 10+4=14, Resulting Numbers: [17, 14] Generated Node #0,0,2: 11:[17, 14] Operation: 10+4=14 Exploring Operation: 10-4=6, Resulting Numbers: [17, 6] Generated Node #0,0,3: 11:[17, 6] Operation: 10-4=6 Moving to Node #0,2 Current State: 11:[10, 11, 27], Operations: ['44-17=27'] Exploring Operation: 27-11=16, Resulting Numbers: [10, 16] Generated Node #0,2,0: 11:[10, 16] Operation: 27-11=16 Exploring Operation: 10+11=21, Resulting Numbers: [27, 21] Generated Node #0,2,1: 11:[27, 21] Operation: 10+11=21 Exploring Operation: 11-10=1, Resulting Numbers: [27, 1] Generated Node #0,2,2: 11:[27, 1] Operation: 11-10=1 Exploring Operation: 27-10=17, Resulting Numbers: [11, 17] Generated Node #0,2,3: 11:[11, 17] Operation: 27-10=17 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 11:[10, 16], Operations: ['44-17=27', '27-11=16'] Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,11 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 11:[11, 17], Operations: ['44-17=27', '27-10=17'] Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,11 unequal: No Solution Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,11 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 11:[27, 21], Operations: ['44-17=27', '10+11=21'] Exploring Operation: 27+21=48, Resulting Numbers: [48] 48,11 unequal: No Solution Exploring Operation: 27*21=567, Resulting Numbers: [567] 567,11 unequal: No Solution Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,11 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 11:[27, 1], Operations: ['44-17=27', '11-10=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,11 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,11 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,11 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:[17, 11, 34], Operations: ['44-10=34'] Exploring Operation: 34/17=2, Resulting Numbers: [11, 2] Generated Node #0,3,0: 11:[11, 2] Operation: 34/17=2 Exploring Operation: 17-11=6, Resulting Numbers: [34, 6] Generated Node #0,3,1: 11:[34, 6] Operation: 17-11=6 Exploring Operation: 34-17=17, Resulting Numbers: [11, 17] Generated Node #0,3,2: 11:[11, 17] Operation: 34-17=17 Exploring Operation: 34-11=23, Resulting Numbers: [17, 23] Generated Node #0,3,3: 11:[17, 23] Operation: 34-11=23 Moving to Node #0,1 Current State: 11:[10, 17, 33], Operations: ['44-11=33'] Exploring Operation: 10+17=27, Resulting Numbers: [33, 27] Generated Node #0,1,0: 11:[33, 27] Operation: 10+17=27 Exploring Operation: 33-10=23, Resulting Numbers: [17, 23] Generated Node #0,1,1: 11:[17, 23] Operation: 33-10=23 Exploring Operation: 17-10=7, Resulting Numbers: [33, 7] Generated Node #0,1,2: 11:[33, 7] Operation: 17-10=7 Exploring Operation: 33-17=16, Resulting Numbers: [10, 16] Generated Node #0,1,3: 11:[10, 16] Operation: 33-17=16 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 11:[10, 16], Operations: ['44-11=33', '33-17=16'] Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,11 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,11 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 #0,1,1 Current State: 11:[17, 23], Operations: ['44-11=33', '33-10=23'] Exploring Operation: 17*23=391, Resulting Numbers: [391] 391,11 unequal: No Solution Exploring Operation: 17+23=40, Resulting Numbers: [40] 40,11 unequal: No Solution Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,11 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 #0,1,2 Current State: 11:[33, 7], Operations: ['44-11=33', '17-10=7'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,11 unequal: No Solution Exploring Operation: 33*7=231, Resulting Numbers: [231] 231,11 unequal: No Solution Exploring Operation: 33+7=40, Resulting Numbers: [40] 40,11 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 #0,1,0 Current State: 11:[33, 27], Operations: ['44-11=33', '10+17=27'] Exploring Operation: 33-27=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 33*27=891, Resulting Numbers: [891] 891,11 unequal: No Solution Exploring Operation: 33+27=60, Resulting Numbers: [60] 60,11 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: 11:[10, 13], Operations: ['44/11=4', '17-4=13'] Exploring Operation: 13-10=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 10*13=130, Resulting Numbers: [130] 130,11 unequal: No Solution Exploring Operation: 10+13=23, Resulting Numbers: [23] 23,11 unequal: No Solution Moving to Node #0,3,2 Current State: 11:[11, 17], Operations: ['44-10=34', '34-17=17'] Exploring Operation: 11+17=28, Resulting Numbers: [28] 28,11 unequal: No Solution Exploring Operation: 17-11=6, Resulting Numbers: [6] 6,11 unequal: No Solution Exploring Operation: 11*17=187, Resulting Numbers: [187] 187,11 unequal: No Solution Moving to Node #0,3,0 Current State: 11:[11, 2], Operations: ['44-10=34', '34/17=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,11 unequal: No Solution Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,11 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,11 unequal: No Solution Moving to Node #0,0,2 Current State: 11:[17, 14], Operations: ['44/11=4', '10+4=14'] Exploring Operation: 17+14=31, Resulting Numbers: [31] 31,11 unequal: No Solution Exploring Operation: 17-14=3, Resulting Numbers: [3] 3,11 unequal: No Solution Exploring Operation: 17*14=238, Resulting Numbers: [238] 238,11 unequal: No Solution Moving to Node #0,0,0 Current State: 11:[4, 7], Operations: ['44/11=4', '17-10=7'] Exploring Operation: 4*7=28, Resulting Numbers: [28] 28,11 unequal: No Solution Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[44, 10, 17, 11], Operations: [] Exploring Operation: 44/11=4, Resulting Numbers: [10, 17, 4] Generated Node #0,0: 11:[10, 17, 4] Operation: 44/11=4 Moving to Node #0,0 Current State: 11:[10, 17, 4], Operations: ['44/11=4'] Exploring Operation: 17-10=7, Resulting Numbers: [4, 7] Generated Node #0,0,0: 11:[4, 7] Operation: 17-10=7 Moving to Node #0,0,0 Current State: 11:[4, 7], Operations: ['44/11=4', '17-10=7'] Exploring Operation: 4+7=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
0.945313
hs_4
sum_heuristic
[ 68, 60, 62, 2 ]
15
[ "68-62=6", "6-2=4", "60/4=15" ]
Current State: 15:[68, 60, 62, 2], Operations: [] Exploring Operation: 68-62=6, Resulting Numbers: [60, 2, 6] Generated Node #2: [60, 2, 6] from Operation: 68-62=6 Current State: 15:[60, 2, 6], Operations: ['68-62=6'] Exploring Operation: 6-2=4, Resulting Numbers: [60, 4] Generated Node #3: [60, 4] from Operation: 6-2=4 Current State: 15:[60, 4], Operations: ['68-62=6', '6-2=4'] Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[68, 60, 62, 2], Operations: [] Exploring Operation: 68-62=6, Resulting Numbers: [60, 2, 6] Generated Node #0,0: 15:[60, 2, 6] Operation: 68-62=6 Moving to Node #0,0 Current State: 15:[60, 2, 6], Operations: ['68-62=6'] Exploring Operation: 60/6=10, Resulting Numbers: [2, 10] Generated Node #0,0,0: 15:[2, 10] Operation: 60/6=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[2, 10], Operations: ['68-62=6', '60/6=10'] Exploring Operation: 10/2=5, Resulting Numbers: [5] 5,15 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
[ 31, 26, 17, 22 ]
93
[ "31-26=5", "22*5=110", "110-17=93" ]
Current State: 93:[31, 26, 17, 22], Operations: [] Exploring Operation: 31-26=5, Resulting Numbers: [17, 22, 5] Generated Node #2: [17, 22, 5] from Operation: 31-26=5 Current State: 93:[17, 22, 5], Operations: ['31-26=5'] Exploring Operation: 22*5=110, Resulting Numbers: [17, 110] Generated Node #3: [17, 110] from Operation: 22*5=110 Current State: 93:[17, 110], Operations: ['31-26=5', '22*5=110'] Exploring Operation: 110-17=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[31, 26, 17, 22], Operations: [] Exploring Operation: 22-17=5, Resulting Numbers: [31, 26, 5] Generated Node #0,0: 93:[31, 26, 5] Operation: 22-17=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[31, 26, 5], Operations: ['22-17=5'] Exploring Operation: 26+5=31, Resulting Numbers: [31, 31] Generated Node #0,0,0: 93:[31, 31] Operation: 26+5=31 Moving to Node #0,0,0 Current State: 93:[31, 31], Operations: ['22-17=5', '26+5=31'] Exploring Operation: 31/31=1, Resulting Numbers: [1] 1,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 2, 3, 26, 12 ]
79
[ "26+12=38", "2*38=76", "3+76=79" ]
Current State: 79:[2, 3, 26, 12], Operations: [] Exploring Operation: 26+12=38, Resulting Numbers: [2, 3, 38] Generated Node #2: [2, 3, 38] from Operation: 26+12=38 Current State: 79:[2, 3, 38], Operations: ['26+12=38'] Exploring Operation: 2*38=76, Resulting Numbers: [3, 76] Generated Node #3: [3, 76] from Operation: 2*38=76 Current State: 79:[3, 76], Operations: ['26+12=38', '2*38=76'] Exploring Operation: 3+76=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[2, 3, 26, 12], Operations: [] Exploring Operation: 2*26=52, Resulting Numbers: [3, 12, 52] Generated Node #0,0: 79:[3, 12, 52] Operation: 2*26=52 Exploring Operation: 3*26=78, Resulting Numbers: [2, 12, 78] Generated Node #0,1: 79:[2, 12, 78] Operation: 3*26=78 Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[2, 12, 78], Operations: ['3*26=78'] Exploring Operation: 2*12=24, Resulting Numbers: [78, 24] Generated Node #0,1,0: 79:[78, 24] Operation: 2*12=24 Exploring Operation: 2+12=14, Resulting Numbers: [78, 14] Generated Node #0,1,1: 79:[78, 14] Operation: 2+12=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[78, 24], Operations: ['3*26=78', '2*12=24'] Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,79 unequal: No Solution Exploring Operation: 78+24=102, Resulting Numbers: [102] 102,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 79:[78, 14], Operations: ['3*26=78', '2+12=14'] Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,79 unequal: No Solution Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[3, 12, 52], Operations: ['2*26=52'] Exploring Operation: 3+12=15, Resulting Numbers: [52, 15] Generated Node #0,0,0: 79:[52, 15] Operation: 3+12=15 Exploring Operation: 3*12=36, Resulting Numbers: [52, 36] Generated Node #0,0,1: 79:[52, 36] Operation: 3*12=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[52, 36], Operations: ['2*26=52', '3*12=36'] Exploring Operation: 52+36=88, Resulting Numbers: [88] 88,79 unequal: No Solution Exploring Operation: 52-36=16, Resulting Numbers: [16] 16,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[52, 15], Operations: ['2*26=52', '3+12=15'] Exploring Operation: 52-15=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 52+15=67, Resulting Numbers: [67] 67,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 67, 1, 22, 69 ]
70
[ "1+22=23", "69/23=3", "67+3=70" ]
Current State: 70:[67, 1, 22, 69], Operations: [] Exploring Operation: 1+22=23, Resulting Numbers: [67, 69, 23] Generated Node #2: [67, 69, 23] from Operation: 1+22=23 Current State: 70:[67, 69, 23], Operations: ['1+22=23'] Exploring Operation: 69/23=3, Resulting Numbers: [67, 3] Generated Node #3: [67, 3] from Operation: 69/23=3 Current State: 70:[67, 3], Operations: ['1+22=23', '69/23=3'] Exploring Operation: 67+3=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[67, 1, 22, 69], Operations: [] Exploring Operation: 22-1=21, Resulting Numbers: [67, 69, 21] Generated Node #0,0: 70:[67, 69, 21] Operation: 22-1=21 Exploring Operation: 1+69=70, Resulting Numbers: [67, 22, 70] Generated Node #0,1: 70:[67, 22, 70] Operation: 1+69=70 Exploring Operation: 67*1=67, Resulting Numbers: [22, 69, 67] Generated Node #0,2: 70:[22, 69, 67] Operation: 67*1=67 Exploring Operation: 67+1=68, Resulting Numbers: [22, 69, 68] Generated Node #0,3: 70:[22, 69, 68] Operation: 67+1=68 Exploring Operation: 69-67=2, Resulting Numbers: [1, 22, 2] Generated Node #0,4: 70:[1, 22, 2] Operation: 69-67=2 Moving to Node #0,4 Current State: 70:[1, 22, 2], Operations: ['69-67=2'] Exploring Operation: 22/2=11, Resulting Numbers: [1, 11] Generated Node #0,4,0: 70:[1, 11] Operation: 22/2=11 Exploring Operation: 22/1=22, Resulting Numbers: [2, 22] Generated Node #0,4,1: 70:[2, 22] Operation: 22/1=22 Exploring Operation: 22-1=21, Resulting Numbers: [2, 21] Generated Node #0,4,2: 70:[2, 21] Operation: 22-1=21 Exploring Operation: 1*22=22, Resulting Numbers: [2, 22] Generated Node #0,4,3: 70:[2, 22] Operation: 1*22=22 Exploring Operation: 22-2=20, Resulting Numbers: [1, 20] Generated Node #0,4,4: 70:[1, 20] Operation: 22-2=20 Moving to Node #0,1 Current State: 70:[67, 22, 70], Operations: ['1+69=70'] Exploring Operation: 70-67=3, Resulting Numbers: [22, 3] Generated Node #0,1,0: 70:[22, 3] Operation: 70-67=3 Exploring Operation: 67+22=89, Resulting Numbers: [70, 89] Generated Node #0,1,1: 70:[70, 89] Operation: 67+22=89 Exploring Operation: 70-22=48, Resulting Numbers: [67, 48] Generated Node #0,1,2: 70:[67, 48] Operation: 70-22=48 Exploring Operation: 22+70=92, Resulting Numbers: [67, 92] Generated Node #0,1,3: 70:[67, 92] Operation: 22+70=92 Exploring Operation: 67-22=45, Resulting Numbers: [70, 45] Generated Node #0,1,4: 70:[70, 45] Operation: 67-22=45 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[22, 3], Operations: ['1+69=70', '70-67=3'] Exploring Operation: 22-3=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 22+3=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 22*3=66, Resulting Numbers: [66] 66,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 70:[70, 45], Operations: ['1+69=70', '67-22=45'] Exploring Operation: 70*45=3150, Resulting Numbers: [3150] 3150,70 unequal: No Solution Exploring Operation: 70+45=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 70-45=25, Resulting Numbers: [25] 25,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[67, 48], Operations: ['1+69=70', '70-22=48'] Exploring Operation: 67-48=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 67+48=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 67*48=3216, Resulting Numbers: [3216] 3216,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[70, 89], Operations: ['1+69=70', '67+22=89'] Exploring Operation: 89-70=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 70+89=159, Resulting Numbers: [159] 159,70 unequal: No Solution Exploring Operation: 70*89=6230, Resulting Numbers: [6230] 6230,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 70:[67, 92], Operations: ['1+69=70', '22+70=92'] Exploring Operation: 92-67=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 67+92=159, Resulting Numbers: [159] 159,70 unequal: No Solution Exploring Operation: 67*92=6164, Resulting Numbers: [6164] 6164,70 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: 70:[67, 69, 21], Operations: ['22-1=21'] Exploring Operation: 67+21=88, Resulting Numbers: [69, 88] Generated Node #0,0,0: 70:[69, 88] Operation: 67+21=88 Exploring Operation: 67-21=46, Resulting Numbers: [69, 46] Generated Node #0,0,1: 70:[69, 46] Operation: 67-21=46 Exploring Operation: 69-67=2, Resulting Numbers: [21, 2] Generated Node #0,0,2: 70:[21, 2] Operation: 69-67=2 Exploring Operation: 69-21=48, Resulting Numbers: [67, 48] Generated Node #0,0,3: 70:[67, 48] Operation: 69-21=48 Exploring Operation: 69+21=90, Resulting Numbers: [67, 90] Generated Node #0,0,4: 70:[67, 90] Operation: 69+21=90 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 70:[21, 2], Operations: ['22-1=21', '69-67=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,70 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[69, 46], Operations: ['22-1=21', '67-21=46'] Exploring Operation: 69-46=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 69+46=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 69*46=3174, Resulting Numbers: [3174] 3174,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 70:[67, 48], Operations: ['22-1=21', '69-21=48'] Exploring Operation: 67+48=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 67*48=3216, Resulting Numbers: [3216] 3216,70 unequal: No Solution Exploring Operation: 67-48=19, Resulting Numbers: [19] 19,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[69, 88], Operations: ['22-1=21', '67+21=88'] Exploring Operation: 88-69=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 69+88=157, Resulting Numbers: [157] 157,70 unequal: No Solution Exploring Operation: 69*88=6072, Resulting Numbers: [6072] 6072,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 70:[67, 90], Operations: ['22-1=21', '69+21=90'] Exploring Operation: 67+90=157, Resulting Numbers: [157] 157,70 unequal: No Solution Exploring Operation: 67*90=6030, Resulting Numbers: [6030] 6030,70 unequal: No Solution Exploring Operation: 90-67=23, Resulting Numbers: [23] 23,70 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: 70:[22, 69, 68], Operations: ['67+1=68'] Exploring Operation: 69-22=47, Resulting Numbers: [68, 47] Generated Node #0,3,0: 70:[68, 47] Operation: 69-22=47 Exploring Operation: 69-68=1, Resulting Numbers: [22, 1] Generated Node #0,3,1: 70:[22, 1] Operation: 69-68=1 Exploring Operation: 68-22=46, Resulting Numbers: [69, 46] Generated Node #0,3,2: 70:[69, 46] Operation: 68-22=46 Exploring Operation: 22+68=90, Resulting Numbers: [69, 90] Generated Node #0,3,3: 70:[69, 90] Operation: 22+68=90 Exploring Operation: 22+69=91, Resulting Numbers: [68, 91] Generated Node #0,3,4: 70:[68, 91] Operation: 22+69=91 Moving to Node #0,2 Current State: 70:[22, 69, 67], Operations: ['67*1=67'] Exploring Operation: 22+67=89, Resulting Numbers: [69, 89] Generated Node #0,2,0: 70:[69, 89] Operation: 22+67=89 Exploring Operation: 22+69=91, Resulting Numbers: [67, 91] Generated Node #0,2,1: 70:[67, 91] Operation: 22+69=91 Exploring Operation: 69-22=47, Resulting Numbers: [67, 47] Generated Node #0,2,2: 70:[67, 47] Operation: 69-22=47 Exploring Operation: 69-67=2, Resulting Numbers: [22, 2] Generated Node #0,2,3: 70:[22, 2] Operation: 69-67=2 Exploring Operation: 67-22=45, Resulting Numbers: [69, 45] Generated Node #0,2,4: 70:[69, 45] Operation: 67-22=45 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 70:[22, 2], Operations: ['67*1=67', '69-67=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,70 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 70:[69, 45], Operations: ['67*1=67', '67-22=45'] Exploring Operation: 69-45=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 69+45=114, Resulting Numbers: [114] 114,70 unequal: No Solution Exploring Operation: 69*45=3105, Resulting Numbers: [3105] 3105,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 70:[67, 47], Operations: ['67*1=67', '69-22=47'] Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 67+47=114, Resulting Numbers: [114] 114,70 unequal: No Solution Exploring Operation: 67*47=3149, Resulting Numbers: [3149] 3149,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 70:[69, 89], Operations: ['67*1=67', '22+67=89'] Exploring Operation: 69*89=6141, Resulting Numbers: [6141] 6141,70 unequal: No Solution Exploring Operation: 89-69=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 69+89=158, Resulting Numbers: [158] 158,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 70:[67, 91], Operations: ['67*1=67', '22+69=91'] Exploring Operation: 91-67=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 67+91=158, Resulting Numbers: [158] 158,70 unequal: No Solution Exploring Operation: 67*91=6097, Resulting Numbers: [6097] 6097,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 70:[1, 11], Operations: ['69-67=2', '22/2=11'] Exploring Operation: 1+11=12, Resulting Numbers: [12] 12,70 unequal: No Solution Exploring Operation: 1*11=11, Resulting Numbers: [11] 11,70 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,70 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,70 unequal: No Solution Moving to Node #0,4,4 Current State: 70:[1, 20], Operations: ['69-67=2', '22-2=20'] Exploring Operation: 1+20=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 1*20=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,70 unequal: No Solution Moving to Node #0,4,2 Current State: 70:[2, 21], Operations: ['69-67=2', '22-1=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,70 unequal: No Solution Moving to Node #0,4,3 Current State: 70:[2, 22], Operations: ['69-67=2', '1*22=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,70 unequal: No Solution Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,70 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,70 unequal: No Solution Moving to Node #0,4,1 Current State: 70:[2, 22], Operations: ['69-67=2', '22/1=22'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,70 unequal: No Solution Exploring Operation: 2+22=24, Resulting Numbers: [24] 24,70 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 2*22=44, Resulting Numbers: [44] 44,70 unequal: No Solution Moving to Node #0,3,1 Current State: 70:[22, 1], Operations: ['67+1=68', '69-68=1'] Exploring Operation: 22/1=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 22+1=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,70 unequal: No Solution Moving to Node #0,3,2 Current State: 70:[69, 46], Operations: ['67+1=68', '68-22=46'] Exploring Operation: 69-46=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 69*46=3174, Resulting Numbers: [3174] 3174,70 unequal: No Solution Exploring Operation: 69+46=115, Resulting Numbers: [115] 115,70 unequal: No Solution Moving to Node #0,3,0 Current State: 70:[68, 47], Operations: ['67+1=68', '69-22=47'] Exploring Operation: 68+47=115, Resulting Numbers: [115] 115,70 unequal: No Solution Exploring Operation: 68-47=21, Resulting Numbers: [21] 21,70 unequal: No Solution Exploring Operation: 68*47=3196, Resulting Numbers: [3196] 3196,70 unequal: No Solution Moving to Node #0,3,3 Current State: 70:[69, 90], Operations: ['67+1=68', '22+68=90'] Exploring Operation: 69+90=159, Resulting Numbers: [159] 159,70 unequal: No Solution Exploring Operation: 69*90=6210, Resulting Numbers: [6210] 6210,70 unequal: No Solution Exploring Operation: 90-69=21, Resulting Numbers: [21] 21,70 unequal: No Solution Moving to Node #0,3,4 Current State: 70:[68, 91], Operations: ['67+1=68', '22+69=91'] Exploring Operation: 68*91=6188, Resulting Numbers: [6188] 6188,70 unequal: No Solution Exploring Operation: 91-68=23, Resulting Numbers: [23] 23,70 unequal: No Solution Exploring Operation: 68+91=159, Resulting Numbers: [159] 159,70 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 2, 67, 3, 70 ]
15
[ "67-2=65", "70-65=5", "3*5=15" ]
Current State: 15:[2, 67, 3, 70], Operations: [] Exploring Operation: 67-2=65, Resulting Numbers: [3, 70, 65] Generated Node #2: [3, 70, 65] from Operation: 67-2=65 Current State: 15:[3, 70, 65], Operations: ['67-2=65'] Exploring Operation: 70-65=5, Resulting Numbers: [3, 5] Generated Node #3: [3, 5] from Operation: 70-65=5 Current State: 15:[3, 5], Operations: ['67-2=65', '70-65=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[2, 67, 3, 70], Operations: [] Exploring Operation: 70/2=35, Resulting Numbers: [67, 3, 35] Generated Node #0,0: 15:[67, 3, 35] Operation: 70/2=35 Exploring Operation: 70-67=3, Resulting Numbers: [2, 3, 3] Generated Node #0,1: 15:[2, 3, 3] Operation: 70-67=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[2, 3, 3], Operations: ['70-67=3'] Exploring Operation: 2+3=5, Resulting Numbers: [3, 5] Generated Node #0,1,0: 15:[3, 5] Operation: 2+3=5 Exploring Operation: 2+3=5, Resulting Numbers: [3, 5] Generated Node #0,1,1: 15:[3, 5] Operation: 2+3=5 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 15:[3, 5], Operations: ['70-67=3', '2+3=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[2, 67, 3, 70], Operations: [] Exploring Operation: 70-67=3, Resulting Numbers: [2, 3, 3] Generated Node #0,1: 15:[2, 3, 3] Operation: 70-67=3 Moving to Node #0,1 Current State: 15:[2, 3, 3], Operations: ['70-67=3'] Exploring Operation: 2+3=5, Resulting Numbers: [3, 5] Generated Node #0,1,0: 15:[3, 5] Operation: 2+3=5 Moving to Node #0,1,0 Current State: 15:[3, 5], Operations: ['70-67=3', '2+3=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic