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
[ 92, 39, 55, 2 ]
38
[ "92+39=131", "131-55=76", "76/2=38" ]
Current State: 38:[92, 39, 55, 2], Operations: [] Exploring Operation: 92+39=131, Resulting Numbers: [55, 2, 131] Generated Node #2: [55, 2, 131] from Operation: 92+39=131 Current State: 38:[55, 2, 131], Operations: ['92+39=131'] Exploring Operation: 131-55=76, Resulting Numbers: [2, 76] Generated Node #3: [2, 76] from Operation: 131-55=76 Current State: 38:[2, 76], Operations: ['92+39=131', '131-55=76'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[92, 39, 55, 2], Operations: [] Exploring Operation: 92/2=46, Resulting Numbers: [39, 55, 46] Generated Node #0,0: 38:[39, 55, 46] Operation: 92/2=46 Exploring Operation: 92-39=53, Resulting Numbers: [55, 2, 53] Generated Node #0,1: 38:[55, 2, 53] Operation: 92-39=53 Exploring Operation: 92-55=37, Resulting Numbers: [39, 2, 37] Generated Node #0,2: 38:[39, 2, 37] Operation: 92-55=37 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[39, 2, 37], Operations: ['92-55=37'] Exploring Operation: 39-37=2, Resulting Numbers: [2, 2] Generated Node #0,2,0: 38:[2, 2] Operation: 39-37=2 Exploring Operation: 39-2=37, Resulting Numbers: [37, 37] Generated Node #0,2,1: 38:[37, 37] Operation: 39-2=37 Exploring Operation: 2+37=39, Resulting Numbers: [39, 39] Generated Node #0,2,2: 38:[39, 39] Operation: 2+37=39 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 38:[2, 2], Operations: ['92-55=37', '39-37=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,38 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 #0,2,1 Current State: 38:[37, 37], Operations: ['92-55=37', '39-2=37'] Exploring Operation: 37+37=74, Resulting Numbers: [74] 74,38 unequal: No Solution Exploring Operation: 37-37=0, Resulting Numbers: [0] 0,38 unequal: No Solution Exploring Operation: 37/37=1, Resulting Numbers: [1] 1,38 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 #0,2,2 Current State: 38:[39, 39], Operations: ['92-55=37', '2+37=39'] Exploring Operation: 39+39=78, Resulting Numbers: [78] 78,38 unequal: No Solution Exploring Operation: 39/39=1, Resulting Numbers: [1] 1,38 unequal: No Solution Exploring Operation: 39-39=0, Resulting Numbers: [0] 0,38 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 #0,0 Current State: 38:[39, 55, 46], Operations: ['92/2=46'] Exploring Operation: 46-39=7, Resulting Numbers: [55, 7] Generated Node #0,0,0: 38:[55, 7] Operation: 46-39=7 Exploring Operation: 55-46=9, Resulting Numbers: [39, 9] Generated Node #0,0,1: 38:[39, 9] Operation: 55-46=9 Exploring Operation: 55-39=16, Resulting Numbers: [46, 16] Generated Node #0,0,2: 38:[46, 16] Operation: 55-39=16 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 38:[39, 9], Operations: ['92/2=46', '55-46=9'] Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,38 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,38 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,38 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 #0,0,2 Current State: 38:[46, 16], Operations: ['92/2=46', '55-39=16'] Exploring Operation: 46+16=62, Resulting Numbers: [62] 62,38 unequal: No Solution Exploring Operation: 46-16=30, Resulting Numbers: [30] 30,38 unequal: No Solution Exploring Operation: 46*16=736, Resulting Numbers: [736] 736,38 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 #0,0,0 Current State: 38:[55, 7], Operations: ['92/2=46', '46-39=7'] Exploring Operation: 55*7=385, Resulting Numbers: [385] 385,38 unequal: No Solution Exploring Operation: 55+7=62, Resulting Numbers: [62] 62,38 unequal: No Solution Exploring Operation: 55-7=48, Resulting Numbers: [48] 48,38 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:[55, 2, 53], Operations: ['92-39=53'] Exploring Operation: 55-53=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 38:[2, 2] Operation: 55-53=2 Exploring Operation: 55-2=53, Resulting Numbers: [53, 53] Generated Node #0,1,1: 38:[53, 53] Operation: 55-2=53 Exploring Operation: 53-2=51, Resulting Numbers: [55, 51] Generated Node #0,1,2: 38:[55, 51] Operation: 53-2=51 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 38:[2, 2], Operations: ['92-39=53', '55-53=2'] Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,38 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 #0,1,1 Current State: 38:[53, 53], Operations: ['92-39=53', '55-2=53'] Exploring Operation: 53-53=0, Resulting Numbers: [0] 0,38 unequal: No Solution Exploring Operation: 53+53=106, Resulting Numbers: [106] 106,38 unequal: No Solution Exploring Operation: 53/53=1, Resulting Numbers: [1] 1,38 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 #0,1,2 Current State: 38:[55, 51], Operations: ['92-39=53', '53-2=51'] Exploring Operation: 55*51=2805, Resulting Numbers: [2805] 2805,38 unequal: No Solution Exploring Operation: 55-51=4, Resulting Numbers: [4] 4,38 unequal: No Solution Exploring Operation: 55+51=106, Resulting Numbers: [106] 106,38 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 No solution found.
0
hs_3
sum_heuristic
[ 90, 6, 54, 63 ]
98
[ "90-6=84", "63*84=5292", "5292/54=98" ]
Current State: 98:[90, 6, 54, 63], Operations: [] Exploring Operation: 90-6=84, Resulting Numbers: [54, 63, 84] Generated Node #2: [54, 63, 84] from Operation: 90-6=84 Current State: 98:[54, 63, 84], Operations: ['90-6=84'] Exploring Operation: 63*84=5292, Resulting Numbers: [54, 5292] Generated Node #3: [54, 5292] from Operation: 63*84=5292 Current State: 98:[54, 5292], Operations: ['90-6=84', '63*84=5292'] Exploring Operation: 5292/54=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[90, 6, 54, 63], Operations: [] Exploring Operation: 63-54=9, Resulting Numbers: [90, 6, 9] Generated Node #0,0: 98:[90, 6, 9] Operation: 63-54=9 Exploring Operation: 90-63=27, Resulting Numbers: [6, 54, 27] Generated Node #0,1: 98:[6, 54, 27] Operation: 90-63=27 Exploring Operation: 90/6=15, Resulting Numbers: [54, 63, 15] Generated Node #0,2: 98:[54, 63, 15] Operation: 90/6=15 Moving to Node #0,0 Current State: 98:[90, 6, 9], Operations: ['63-54=9'] Exploring Operation: 90+9=99, Resulting Numbers: [6, 99] Generated Node #0,0,0: 98:[6, 99] Operation: 90+9=99 Exploring Operation: 90+6=96, Resulting Numbers: [9, 96] Generated Node #0,0,1: 98:[9, 96] Operation: 90+6=96 Exploring Operation: 90/6=15, Resulting Numbers: [9, 15] Generated Node #0,0,2: 98:[9, 15] Operation: 90/6=15 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[6, 99], Operations: ['63-54=9', '90+9=99'] Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,98 unequal: No Solution Exploring Operation: 6+99=105, Resulting Numbers: [105] 105,98 unequal: No Solution Exploring Operation: 6*99=594, Resulting Numbers: [594] 594,98 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:[9, 15], Operations: ['63-54=9', '90/6=15'] Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,98 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,98 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, 96], Operations: ['63-54=9', '90+6=96'] Exploring Operation: 9+96=105, Resulting Numbers: [105] 105,98 unequal: No Solution Exploring Operation: 9*96=864, Resulting Numbers: [864] 864,98 unequal: No Solution Exploring Operation: 96-9=87, Resulting Numbers: [87] 87,98 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:[6, 54, 27], Operations: ['90-63=27'] Exploring Operation: 54/27=2, Resulting Numbers: [6, 2] Generated Node #0,1,0: 98:[6, 2] Operation: 54/27=2 Exploring Operation: 54-6=48, Resulting Numbers: [27, 48] Generated Node #0,1,1: 98:[27, 48] Operation: 54-6=48 Exploring Operation: 27-6=21, Resulting Numbers: [54, 21] Generated Node #0,1,2: 98:[54, 21] Operation: 27-6=21 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[6, 2], Operations: ['90-63=27', '54/27=2'] Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,98 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:[54, 21], Operations: ['90-63=27', '27-6=21'] Exploring Operation: 54+21=75, Resulting Numbers: [75] 75,98 unequal: No Solution Exploring Operation: 54-21=33, Resulting Numbers: [33] 33,98 unequal: No Solution Exploring Operation: 54*21=1134, Resulting Numbers: [1134] 1134,98 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:[27, 48], Operations: ['90-63=27', '54-6=48'] Exploring Operation: 27*48=1296, Resulting Numbers: [1296] 1296,98 unequal: No Solution Exploring Operation: 48-27=21, Resulting Numbers: [21] 21,98 unequal: No Solution Exploring Operation: 27+48=75, Resulting Numbers: [75] 75,98 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: 98:[54, 63, 15], Operations: ['90/6=15'] Exploring Operation: 54+63=117, Resulting Numbers: [15, 117] Generated Node #0,2,0: 98:[15, 117] Operation: 54+63=117 Exploring Operation: 63-54=9, Resulting Numbers: [15, 9] Generated Node #0,2,1: 98:[15, 9] Operation: 63-54=9 Exploring Operation: 63-15=48, Resulting Numbers: [54, 48] Generated Node #0,2,2: 98:[54, 48] Operation: 63-15=48 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 98:[15, 9], Operations: ['90/6=15', '63-54=9'] Exploring Operation: 15+9=24, Resulting Numbers: [24] 24,98 unequal: No Solution Exploring Operation: 15*9=135, Resulting Numbers: [135] 135,98 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,98 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 #0,2,2 Current State: 98:[54, 48], Operations: ['90/6=15', '63-15=48'] Exploring Operation: 54*48=2592, Resulting Numbers: [2592] 2592,98 unequal: No Solution Exploring Operation: 54+48=102, Resulting Numbers: [102] 102,98 unequal: No Solution Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,98 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 #0,2,0 Current State: 98:[15, 117], Operations: ['90/6=15', '54+63=117'] Exploring Operation: 15+117=132, Resulting Numbers: [132] 132,98 unequal: No Solution Exploring Operation: 15*117=1755, Resulting Numbers: [1755] 1755,98 unequal: No Solution Exploring Operation: 117-15=102, Resulting Numbers: [102] 102,98 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
[ 2, 76, 30, 50 ]
21
[ "50/2=25", "76-30=46", "46-25=21" ]
Current State: 21:[2, 76, 30, 50], Operations: [] Exploring Operation: 50/2=25, Resulting Numbers: [76, 30, 25] Generated Node #2: [76, 30, 25] from Operation: 50/2=25 Current State: 21:[76, 30, 25], Operations: ['50/2=25'] Exploring Operation: 76-30=46, Resulting Numbers: [25, 46] Generated Node #3: [25, 46] from Operation: 76-30=46 Current State: 21:[25, 46], Operations: ['50/2=25', '76-30=46'] Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[2, 76, 30, 50], Operations: [] Exploring Operation: 76-30=46, Resulting Numbers: [2, 50, 46] Generated Node #0,0: 21:[2, 50, 46] Operation: 76-30=46 Exploring Operation: 76-50=26, Resulting Numbers: [2, 30, 26] Generated Node #0,1: 21:[2, 30, 26] Operation: 76-50=26 Exploring Operation: 50/2=25, Resulting Numbers: [76, 30, 25] Generated Node #0,2: 21:[76, 30, 25] Operation: 50/2=25 Exploring Operation: 76/2=38, Resulting Numbers: [30, 50, 38] Generated Node #0,3: 21:[30, 50, 38] Operation: 76/2=38 Exploring Operation: 50-30=20, Resulting Numbers: [2, 76, 20] Generated Node #0,4: 21:[2, 76, 20] Operation: 50-30=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[2, 30, 26], Operations: ['76-50=26'] Exploring Operation: 30-26=4, Resulting Numbers: [2, 4] Generated Node #0,1,0: 21:[2, 4] Operation: 30-26=4 Exploring Operation: 30/2=15, Resulting Numbers: [26, 15] Generated Node #0,1,1: 21:[26, 15] Operation: 30/2=15 Exploring Operation: 26/2=13, Resulting Numbers: [30, 13] Generated Node #0,1,2: 21:[30, 13] Operation: 26/2=13 Exploring Operation: 26-2=24, Resulting Numbers: [30, 24] Generated Node #0,1,3: 21:[30, 24] Operation: 26-2=24 Exploring Operation: 30-2=28, Resulting Numbers: [26, 28] Generated Node #0,1,4: 21:[26, 28] Operation: 30-2=28 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[2, 4], Operations: ['76-50=26', '30-26=4'] Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 2+4=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 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 21:[26, 15], Operations: ['76-50=26', '30/2=15'] Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,21 unequal: No Solution Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,21 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,21 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:[30, 24], Operations: ['76-50=26', '26-2=24'] Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,21 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 #0,1,4 Current State: 21:[26, 28], Operations: ['76-50=26', '30-2=28'] Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,21 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 #0,1,2 Current State: 21:[30, 13], Operations: ['76-50=26', '26/2=13'] Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,21 unequal: No Solution Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,21 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,21 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, 50, 46], Operations: ['76-30=46'] Exploring Operation: 50-2=48, Resulting Numbers: [46, 48] Generated Node #0,0,0: 21:[46, 48] Operation: 50-2=48 Exploring Operation: 46/2=23, Resulting Numbers: [50, 23] Generated Node #0,0,1: 21:[50, 23] Operation: 46/2=23 Exploring Operation: 50-46=4, Resulting Numbers: [2, 4] Generated Node #0,0,2: 21:[2, 4] Operation: 50-46=4 Exploring Operation: 50/2=25, Resulting Numbers: [46, 25] Generated Node #0,0,3: 21:[46, 25] Operation: 50/2=25 Exploring Operation: 46-2=44, Resulting Numbers: [50, 44] Generated Node #0,0,4: 21:[50, 44] Operation: 46-2=44 Moving to Node #0,0,2 Current State: 21:[2, 4], Operations: ['76-30=46', '50-46=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,21 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,21 unequal: No Solution Moving to Node #0,0,3 Current State: 21:[46, 25], Operations: ['76-30=46', '50/2=25'] Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[2, 76, 30, 50], Operations: [] Exploring Operation: 76-30=46, Resulting Numbers: [2, 50, 46] Generated Node #0,0: 21:[2, 50, 46] Operation: 76-30=46 Moving to Node #0,0 Current State: 21:[2, 50, 46], Operations: ['76-30=46'] Exploring Operation: 50/2=25, Resulting Numbers: [46, 25] Generated Node #0,0,3: 21:[46, 25] Operation: 50/2=25 Moving to Node #0,0,3 Current State: 21:[46, 25], Operations: ['76-30=46', '50/2=25'] Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.965278
hs_5
mult_heuristic
[ 62, 40, 44, 90 ]
88
[ "62-40=22", "44/22=2", "90-2=88" ]
Current State: 88:[62, 40, 44, 90], Operations: [] Exploring Operation: 62-40=22, Resulting Numbers: [44, 90, 22] Generated Node #2: [44, 90, 22] from Operation: 62-40=22 Current State: 88:[44, 90, 22], Operations: ['62-40=22'] Exploring Operation: 44/22=2, Resulting Numbers: [90, 2] Generated Node #3: [90, 2] from Operation: 44/22=2 Current State: 88:[90, 2], Operations: ['62-40=22', '44/22=2'] Exploring Operation: 90-2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[62, 40, 44, 90], Operations: [] Exploring Operation: 62-40=22, Resulting Numbers: [44, 90, 22] Generated Node #0,0: 88:[44, 90, 22] Operation: 62-40=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[44, 90, 22], Operations: ['62-40=22'] Exploring Operation: 90-44=46, Resulting Numbers: [22, 46] Generated Node #0,0,0: 88:[22, 46] Operation: 90-44=46 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[22, 46], Operations: ['62-40=22', '90-44=46'] Exploring Operation: 46-22=24, Resulting Numbers: [24] 24,88 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 No solution found.
0
hs_1
sum_heuristic
[ 37, 15, 41, 96 ]
38
[ "15+96=111", "111/37=3", "41-3=38" ]
Current State: 38:[37, 15, 41, 96], Operations: [] Exploring Operation: 15+96=111, Resulting Numbers: [37, 41, 111] Generated Node #2: [37, 41, 111] from Operation: 15+96=111 Current State: 38:[37, 41, 111], Operations: ['15+96=111'] Exploring Operation: 111/37=3, Resulting Numbers: [41, 3] Generated Node #3: [41, 3] from Operation: 111/37=3 Current State: 38:[41, 3], Operations: ['15+96=111', '111/37=3'] Exploring Operation: 41-3=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[37, 15, 41, 96], Operations: [] Exploring Operation: 41-37=4, Resulting Numbers: [15, 96, 4] Generated Node #0,0: 38:[15, 96, 4] Operation: 41-37=4 Exploring Operation: 96-37=59, Resulting Numbers: [15, 41, 59] Generated Node #0,1: 38:[15, 41, 59] Operation: 96-37=59 Exploring Operation: 96-41=55, Resulting Numbers: [37, 15, 55] Generated Node #0,2: 38:[37, 15, 55] Operation: 96-41=55 Exploring Operation: 37-15=22, Resulting Numbers: [41, 96, 22] Generated Node #0,3: 38:[41, 96, 22] Operation: 37-15=22 Exploring Operation: 96-15=81, Resulting Numbers: [37, 41, 81] Generated Node #0,4: 38:[37, 41, 81] Operation: 96-15=81 Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[37, 15, 55], Operations: ['96-41=55'] Exploring Operation: 55-15=40, Resulting Numbers: [37, 40] Generated Node #0,2,0: 38:[37, 40] Operation: 55-15=40 Exploring Operation: 37-15=22, Resulting Numbers: [55, 22] Generated Node #0,2,1: 38:[55, 22] Operation: 37-15=22 Exploring Operation: 15+55=70, Resulting Numbers: [37, 70] Generated Node #0,2,2: 38:[37, 70] Operation: 15+55=70 Exploring Operation: 37+15=52, Resulting Numbers: [55, 52] Generated Node #0,2,3: 38:[55, 52] Operation: 37+15=52 Exploring Operation: 55-37=18, Resulting Numbers: [15, 18] Generated Node #0,2,4: 38:[15, 18] Operation: 55-37=18 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 38:[37, 40], Operations: ['96-41=55', '55-15=40'] Exploring Operation: 37*40=1480, Resulting Numbers: [1480] 1480,38 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,38 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 #0,2,4 Current State: 38:[15, 18], Operations: ['96-41=55', '55-37=18'] Exploring Operation: 15*18=270, Resulting Numbers: [270] 270,38 unequal: No Solution Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 15+18=33, Resulting Numbers: [33] 33,38 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 #0,2,1 Current State: 38:[55, 22], Operations: ['96-41=55', '37-15=22'] Exploring Operation: 55-22=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 55+22=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 55*22=1210, Resulting Numbers: [1210] 1210,38 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 #0,2,3 Current State: 38:[55, 52], Operations: ['96-41=55', '37+15=52'] Exploring Operation: 55+52=107, Resulting Numbers: [107] 107,38 unequal: No Solution Exploring Operation: 55-52=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 55*52=2860, Resulting Numbers: [2860] 2860,38 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 #0,2,2 Current State: 38:[37, 70], Operations: ['96-41=55', '15+55=70'] Exploring Operation: 37+70=107, Resulting Numbers: [107] 107,38 unequal: No Solution Exploring Operation: 70-37=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 37*70=2590, Resulting Numbers: [2590] 2590,38 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:[15, 41, 59], Operations: ['96-37=59'] Exploring Operation: 59-15=44, Resulting Numbers: [41, 44] Generated Node #0,1,0: 38:[41, 44] Operation: 59-15=44 Exploring Operation: 41-15=26, Resulting Numbers: [59, 26] Generated Node #0,1,1: 38:[59, 26] Operation: 41-15=26 Exploring Operation: 15+41=56, Resulting Numbers: [59, 56] Generated Node #0,1,2: 38:[59, 56] Operation: 15+41=56 Exploring Operation: 15+59=74, Resulting Numbers: [41, 74] Generated Node #0,1,3: 38:[41, 74] Operation: 15+59=74 Exploring Operation: 59-41=18, Resulting Numbers: [15, 18] Generated Node #0,1,4: 38:[15, 18] Operation: 59-41=18 Moving to Node #0,1,4 Current State: 38:[15, 18], Operations: ['96-37=59', '59-41=18'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 15+18=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 15*18=270, Resulting Numbers: [270] 270,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[41, 44], Operations: ['96-37=59', '59-15=44'] Exploring Operation: 41+44=85, Resulting Numbers: [85] 85,38 unequal: No Solution Exploring Operation: 41*44=1804, Resulting Numbers: [1804] 1804,38 unequal: No Solution Exploring Operation: 44-41=3, Resulting Numbers: [3] 3,38 unequal: No Solution Moving to Node #0,1,1 Current State: 38:[59, 26], Operations: ['96-37=59', '41-15=26'] Exploring Operation: 59*26=1534, Resulting Numbers: [1534] 1534,38 unequal: No Solution Exploring Operation: 59-26=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 59+26=85, Resulting Numbers: [85] 85,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[59, 56], Operations: ['96-37=59', '15+41=56'] Exploring Operation: 59*56=3304, Resulting Numbers: [3304] 3304,38 unequal: No Solution Exploring Operation: 59+56=115, Resulting Numbers: [115] 115,38 unequal: No Solution Exploring Operation: 59-56=3, Resulting Numbers: [3] 3,38 unequal: No Solution Moving to Node #0,1,3 Current State: 38:[41, 74], Operations: ['96-37=59', '15+59=74'] Exploring Operation: 74-41=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 41+74=115, Resulting Numbers: [115] 115,38 unequal: No Solution Exploring Operation: 41*74=3034, Resulting Numbers: [3034] 3034,38 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 #0,4 Current State: 38:[37, 41, 81], Operations: ['96-15=81'] Exploring Operation: 81-37=44, Resulting Numbers: [41, 44] Generated Node #0,4,0: 38:[41, 44] Operation: 81-37=44 Exploring Operation: 37+81=118, Resulting Numbers: [41, 118] Generated Node #0,4,1: 38:[41, 118] Operation: 37+81=118 Exploring Operation: 41-37=4, Resulting Numbers: [81, 4] Generated Node #0,4,2: 38:[81, 4] Operation: 41-37=4 Exploring Operation: 81-41=40, Resulting Numbers: [37, 40] Generated Node #0,4,3: 38:[37, 40] Operation: 81-41=40 Exploring Operation: 37+41=78, Resulting Numbers: [81, 78] Generated Node #0,4,4: 38:[81, 78] Operation: 37+41=78 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 38:[37, 40], Operations: ['96-15=81', '81-41=40'] Exploring Operation: 37+40=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 37*40=1480, Resulting Numbers: [1480] 1480,38 unequal: No Solution Exploring Operation: 40-37=3, Resulting Numbers: [3] 3,38 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 #0,4,0 Current State: 38:[41, 44], Operations: ['96-15=81', '81-37=44'] Exploring Operation: 41+44=85, Resulting Numbers: [85] 85,38 unequal: No Solution Exploring Operation: 44-41=3, Resulting Numbers: [3] 3,38 unequal: No Solution Exploring Operation: 41*44=1804, Resulting Numbers: [1804] 1804,38 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 #0,4,2 Current State: 38:[81, 4], Operations: ['96-15=81', '41-37=4'] Exploring Operation: 81*4=324, Resulting Numbers: [324] 324,38 unequal: No Solution Exploring Operation: 81+4=85, Resulting Numbers: [85] 85,38 unequal: No Solution Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,38 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 #0,4,1 Current State: 38:[41, 118], Operations: ['96-15=81', '37+81=118'] Exploring Operation: 118-41=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 41*118=4838, Resulting Numbers: [4838] 4838,38 unequal: No Solution Exploring Operation: 41+118=159, Resulting Numbers: [159] 159,38 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 #0,4,4 Current State: 38:[81, 78], Operations: ['96-15=81', '37+41=78'] Exploring Operation: 81*78=6318, Resulting Numbers: [6318] 6318,38 unequal: No Solution Exploring Operation: 81+78=159, Resulting Numbers: [159] 159,38 unequal: No Solution Exploring Operation: 81-78=3, Resulting Numbers: [3] 3,38 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 #0,0 Current State: 38:[15, 96, 4], Operations: ['41-37=4'] Exploring Operation: 96-15=81, Resulting Numbers: [4, 81] Generated Node #0,0,0: 38:[4, 81] Operation: 96-15=81 Exploring Operation: 15-4=11, Resulting Numbers: [96, 11] Generated Node #0,0,1: 38:[96, 11] Operation: 15-4=11 Exploring Operation: 15+4=19, Resulting Numbers: [96, 19] Generated Node #0,0,2: 38:[96, 19] Operation: 15+4=19 Exploring Operation: 96-4=92, Resulting Numbers: [15, 92] Generated Node #0,0,3: 38:[15, 92] Operation: 96-4=92 Exploring Operation: 96/4=24, Resulting Numbers: [15, 24] Generated Node #0,0,4: 38:[15, 24] Operation: 96/4=24 Moving to Node #0,0,4 Current State: 38:[15, 24], Operations: ['41-37=4', '96/4=24'] Exploring Operation: 24-15=9, Resulting Numbers: [9] 9,38 unequal: No Solution Exploring Operation: 15+24=39, Resulting Numbers: [39] 39,38 unequal: No Solution Exploring Operation: 15*24=360, Resulting Numbers: [360] 360,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[4, 81], Operations: ['41-37=4', '96-15=81'] Exploring Operation: 4*81=324, Resulting Numbers: [324] 324,38 unequal: No Solution Exploring Operation: 4+81=85, Resulting Numbers: [85] 85,38 unequal: No Solution Exploring Operation: 81-4=77, Resulting Numbers: [77] 77,38 unequal: No Solution Moving to Node #0,0,2 Current State: 38:[96, 19], Operations: ['41-37=4', '15+4=19'] Exploring Operation: 96-19=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 96*19=1824, Resulting Numbers: [1824] 1824,38 unequal: No Solution Exploring Operation: 96+19=115, Resulting Numbers: [115] 115,38 unequal: No Solution Moving to Node #0,0,3 Current State: 38:[15, 92], Operations: ['41-37=4', '96-4=92'] Exploring Operation: 15*92=1380, Resulting Numbers: [1380] 1380,38 unequal: No Solution Exploring Operation: 15+92=107, Resulting Numbers: [107] 107,38 unequal: No Solution Exploring Operation: 92-15=77, Resulting Numbers: [77] 77,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[96, 11], Operations: ['41-37=4', '15-4=11'] Exploring Operation: 96*11=1056, Resulting Numbers: [1056] 1056,38 unequal: No Solution Exploring Operation: 96+11=107, Resulting Numbers: [107] 107,38 unequal: No Solution Exploring Operation: 96-11=85, Resulting Numbers: [85] 85,38 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 #0,3 Current State: 38:[41, 96, 22], Operations: ['37-15=22'] Exploring Operation: 41-22=19, Resulting Numbers: [96, 19] Generated Node #0,3,0: 38:[96, 19] Operation: 41-22=19 Exploring Operation: 41+22=63, Resulting Numbers: [96, 63] Generated Node #0,3,1: 38:[96, 63] Operation: 41+22=63 Exploring Operation: 96-22=74, Resulting Numbers: [41, 74] Generated Node #0,3,2: 38:[41, 74] Operation: 96-22=74 Exploring Operation: 96+22=118, Resulting Numbers: [41, 118] Generated Node #0,3,3: 38:[41, 118] Operation: 96+22=118 Exploring Operation: 96-41=55, Resulting Numbers: [22, 55] Generated Node #0,3,4: 38:[22, 55] Operation: 96-41=55 Moving to Node #0,3,4 Current State: 38:[22, 55], Operations: ['37-15=22', '96-41=55'] Exploring Operation: 22*55=1210, Resulting Numbers: [1210] 1210,38 unequal: No Solution Exploring Operation: 55-22=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 22+55=77, Resulting Numbers: [77] 77,38 unequal: No Solution Moving to Node #0,3,2 Current State: 38:[41, 74], Operations: ['37-15=22', '96-22=74'] Exploring Operation: 41+74=115, Resulting Numbers: [115] 115,38 unequal: No Solution Exploring Operation: 74-41=33, Resulting Numbers: [33] 33,38 unequal: No Solution Exploring Operation: 41*74=3034, Resulting Numbers: [3034] 3034,38 unequal: No Solution Moving to Node #0,3,0 Current State: 38:[96, 19], Operations: ['37-15=22', '41-22=19'] Exploring Operation: 96-19=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 96+19=115, Resulting Numbers: [115] 115,38 unequal: No Solution Exploring Operation: 96*19=1824, Resulting Numbers: [1824] 1824,38 unequal: No Solution Moving to Node #0,3,1 Current State: 38:[96, 63], Operations: ['37-15=22', '41+22=63'] Exploring Operation: 96*63=6048, Resulting Numbers: [6048] 6048,38 unequal: No Solution Exploring Operation: 96+63=159, Resulting Numbers: [159] 159,38 unequal: No Solution Exploring Operation: 96-63=33, Resulting Numbers: [33] 33,38 unequal: No Solution Moving to Node #0,3,3 Current State: 38:[41, 118], Operations: ['37-15=22', '96+22=118'] Exploring Operation: 41+118=159, Resulting Numbers: [159] 159,38 unequal: No Solution Exploring Operation: 118-41=77, Resulting Numbers: [77] 77,38 unequal: No Solution Exploring Operation: 41*118=4838, Resulting Numbers: [4838] 4838,38 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
[ 9, 49, 18, 15 ]
79
[ "18/9=2", "15*2=30", "49+30=79" ]
Current State: 79:[9, 49, 18, 15], Operations: [] Exploring Operation: 18/9=2, Resulting Numbers: [49, 15, 2] Generated Node #2: [49, 15, 2] from Operation: 18/9=2 Current State: 79:[49, 15, 2], Operations: ['18/9=2'] Exploring Operation: 15*2=30, Resulting Numbers: [49, 30] Generated Node #3: [49, 30] from Operation: 15*2=30 Current State: 79:[49, 30], Operations: ['18/9=2', '15*2=30'] Exploring Operation: 49+30=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[9, 49, 18, 15], Operations: [] Exploring Operation: 9+15=24, Resulting Numbers: [49, 18, 24] Generated Node #0,0: 79:[49, 18, 24] Operation: 9+15=24 Exploring Operation: 9+49=58, Resulting Numbers: [18, 15, 58] Generated Node #0,1: 79:[18, 15, 58] Operation: 9+49=58 Exploring Operation: 9+18=27, Resulting Numbers: [49, 15, 27] Generated Node #0,2: 79:[49, 15, 27] Operation: 9+18=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[49, 18, 24], Operations: ['9+15=24'] Exploring Operation: 49+18=67, Resulting Numbers: [24, 67] Generated Node #0,0,0: 79:[24, 67] Operation: 49+18=67 Exploring Operation: 49+24=73, Resulting Numbers: [18, 73] Generated Node #0,0,1: 79:[18, 73] Operation: 49+24=73 Exploring Operation: 18+24=42, Resulting Numbers: [49, 42] Generated Node #0,0,2: 79:[49, 42] Operation: 18+24=42 Moving to Node #0,0,0 Current State: 79:[24, 67], Operations: ['9+15=24', '49+18=67'] Exploring Operation: 24*67=1608, Resulting Numbers: [1608] 1608,79 unequal: No Solution Exploring Operation: 24+67=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 67-24=43, Resulting Numbers: [43] 43,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[18, 73], Operations: ['9+15=24', '49+24=73'] Exploring Operation: 18*73=1314, Resulting Numbers: [1314] 1314,79 unequal: No Solution Exploring Operation: 73-18=55, Resulting Numbers: [55] 55,79 unequal: No Solution Exploring Operation: 18+73=91, Resulting Numbers: [91] 91,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[49, 42], Operations: ['9+15=24', '18+24=42'] Exploring Operation: 49*42=2058, Resulting Numbers: [2058] 2058,79 unequal: No Solution Exploring Operation: 49+42=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[18, 15, 58], Operations: ['9+49=58'] Exploring Operation: 18+58=76, Resulting Numbers: [15, 76] Generated Node #0,1,0: 79:[15, 76] Operation: 18+58=76 Exploring Operation: 18+15=33, Resulting Numbers: [58, 33] Generated Node #0,1,1: 79:[58, 33] Operation: 18+15=33 Exploring Operation: 15+58=73, Resulting Numbers: [18, 73] Generated Node #0,1,2: 79:[18, 73] Operation: 15+58=73 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[15, 76], Operations: ['9+49=58', '18+58=76'] Exploring Operation: 15+76=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 15*76=1140, Resulting Numbers: [1140] 1140,79 unequal: No Solution Exploring Operation: 76-15=61, Resulting Numbers: [61] 61,79 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:[58, 33], Operations: ['9+49=58', '18+15=33'] Exploring Operation: 58-33=25, Resulting Numbers: [25] 25,79 unequal: No Solution Exploring Operation: 58*33=1914, Resulting Numbers: [1914] 1914,79 unequal: No Solution Exploring Operation: 58+33=91, Resulting Numbers: [91] 91,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 79:[18, 73], Operations: ['9+49=58', '15+58=73'] Exploring Operation: 73-18=55, Resulting Numbers: [55] 55,79 unequal: No Solution Exploring Operation: 18+73=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 18*73=1314, Resulting Numbers: [1314] 1314,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[49, 15, 27], Operations: ['9+18=27'] Exploring Operation: 49+27=76, Resulting Numbers: [15, 76] Generated Node #0,2,0: 79:[15, 76] Operation: 49+27=76 Exploring Operation: 49+15=64, Resulting Numbers: [27, 64] Generated Node #0,2,1: 79:[27, 64] Operation: 49+15=64 Exploring Operation: 15+27=42, Resulting Numbers: [49, 42] Generated Node #0,2,2: 79:[49, 42] Operation: 15+27=42 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[15, 76], Operations: ['9+18=27', '49+27=76'] Exploring Operation: 15+76=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 76-15=61, Resulting Numbers: [61] 61,79 unequal: No Solution Exploring Operation: 15*76=1140, Resulting Numbers: [1140] 1140,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[27, 64], Operations: ['9+18=27', '49+15=64'] Exploring Operation: 64-27=37, Resulting Numbers: [37] 37,79 unequal: No Solution Exploring Operation: 27*64=1728, Resulting Numbers: [1728] 1728,79 unequal: No Solution Exploring Operation: 27+64=91, Resulting Numbers: [91] 91,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 79:[49, 42], Operations: ['9+18=27', '15+27=42'] Exploring Operation: 49+42=91, Resulting Numbers: [91] 91,79 unequal: No Solution Exploring Operation: 49*42=2058, Resulting Numbers: [2058] 2058,79 unequal: No Solution Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 27, 47, 82, 41 ]
40
[ "47-27=20", "82/41=2", "20*2=40" ]
Current State: 40:[27, 47, 82, 41], Operations: [] Exploring Operation: 47-27=20, Resulting Numbers: [82, 41, 20] Generated Node #2: [82, 41, 20] from Operation: 47-27=20 Current State: 40:[82, 41, 20], Operations: ['47-27=20'] Exploring Operation: 82/41=2, Resulting Numbers: [20, 2] Generated Node #3: [20, 2] from Operation: 82/41=2 Current State: 40:[20, 2], Operations: ['47-27=20', '82/41=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[27, 47, 82, 41], Operations: [] Exploring Operation: 82-47=35, Resulting Numbers: [27, 41, 35] Generated Node #0,0: 40:[27, 41, 35] Operation: 82-47=35 Exploring Operation: 82/41=2, Resulting Numbers: [27, 47, 2] Generated Node #0,1: 40:[27, 47, 2] Operation: 82/41=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[27, 41, 35], Operations: ['82-47=35'] Exploring Operation: 35-27=8, Resulting Numbers: [41, 8] Generated Node #0,0,0: 40:[41, 8] Operation: 35-27=8 Exploring Operation: 41-35=6, Resulting Numbers: [27, 6] Generated Node #0,0,1: 40:[27, 6] Operation: 41-35=6 Moving to Node #0,0,0 Current State: 40:[41, 8], Operations: ['82-47=35', '35-27=8'] Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,40 unequal: No Solution Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,40 unequal: No Solution Moving to Node #0,0,1 Current State: 40:[27, 6], Operations: ['82-47=35', '41-35=6'] Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,40 unequal: No Solution Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,40 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[27, 47, 2], Operations: ['82/41=2'] Exploring Operation: 47-27=20, Resulting Numbers: [2, 20] Generated Node #0,1,0: 40:[2, 20] Operation: 47-27=20 Exploring Operation: 27-2=25, Resulting Numbers: [47, 25] Generated Node #0,1,1: 40:[47, 25] Operation: 27-2=25 Moving to Node #0,1,0 Current State: 40:[2, 20], Operations: ['82/41=2', '47-27=20'] Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,40 unequal: No Solution Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[27, 47, 82, 41], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [27, 47, 2] Generated Node #0,1: 40:[27, 47, 2] Operation: 82/41=2 Moving to Node #0,1 Current State: 40:[27, 47, 2], Operations: ['82/41=2'] Exploring Operation: 47-27=20, Resulting Numbers: [2, 20] Generated Node #0,1,0: 40:[2, 20] Operation: 47-27=20 Moving to Node #0,1,0 Current State: 40:[2, 20], Operations: ['82/41=2', '47-27=20'] Exploring Operation: 2*20=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 73, 97, 47, 95 ]
13
[ "73-47=26", "97-95=2", "26/2=13" ]
Current State: 13:[73, 97, 47, 95], Operations: [] Exploring Operation: 73-47=26, Resulting Numbers: [97, 95, 26] Generated Node #2: [97, 95, 26] from Operation: 73-47=26 Current State: 13:[97, 95, 26], Operations: ['73-47=26'] Exploring Operation: 97-95=2, Resulting Numbers: [26, 2] Generated Node #3: [26, 2] from Operation: 97-95=2 Current State: 13:[26, 2], Operations: ['73-47=26', '97-95=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[73, 97, 47, 95], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [47, 95, 24] Generated Node #0,0: 13:[47, 95, 24] Operation: 97-73=24 Exploring Operation: 97-95=2, Resulting Numbers: [73, 47, 2] Generated Node #0,1: 13:[73, 47, 2] Operation: 97-95=2 Exploring Operation: 95-73=22, Resulting Numbers: [97, 47, 22] Generated Node #0,2: 13:[97, 47, 22] Operation: 95-73=22 Exploring Operation: 97-47=50, Resulting Numbers: [73, 95, 50] Generated Node #0,3: 13:[73, 95, 50] Operation: 97-47=50 Exploring Operation: 73-47=26, Resulting Numbers: [97, 95, 26] Generated Node #0,4: 13:[97, 95, 26] Operation: 73-47=26 Moving to Node #0,1 Current State: 13:[73, 47, 2], Operations: ['97-95=2'] Exploring Operation: 47+2=49, Resulting Numbers: [73, 49] Generated Node #0,1,0: 13:[73, 49] Operation: 47+2=49 Exploring Operation: 47-2=45, Resulting Numbers: [73, 45] Generated Node #0,1,1: 13:[73, 45] Operation: 47-2=45 Exploring Operation: 73-2=71, Resulting Numbers: [47, 71] Generated Node #0,1,2: 13:[47, 71] Operation: 73-2=71 Exploring Operation: 73+2=75, Resulting Numbers: [47, 75] Generated Node #0,1,3: 13:[47, 75] Operation: 73+2=75 Exploring Operation: 73-47=26, Resulting Numbers: [2, 26] Generated Node #0,1,4: 13:[2, 26] Operation: 73-47=26 Moving to Node #0,2 Current State: 13:[97, 47, 22], Operations: ['95-73=22'] Exploring Operation: 97-47=50, Resulting Numbers: [22, 50] Generated Node #0,2,0: 13:[22, 50] Operation: 97-47=50 Exploring Operation: 97+47=144, Resulting Numbers: [22, 144] Generated Node #0,2,1: 13:[22, 144] Operation: 97+47=144 Exploring Operation: 97+22=119, Resulting Numbers: [47, 119] Generated Node #0,2,2: 13:[47, 119] Operation: 97+22=119 Exploring Operation: 97-22=75, Resulting Numbers: [47, 75] Generated Node #0,2,3: 13:[47, 75] Operation: 97-22=75 Exploring Operation: 47-22=25, Resulting Numbers: [97, 25] Generated Node #0,2,4: 13:[97, 25] Operation: 47-22=25 Moving to Node #0,0 Current State: 13:[47, 95, 24], Operations: ['97-73=24'] Exploring Operation: 95-24=71, Resulting Numbers: [47, 71] Generated Node #0,0,0: 13:[47, 71] Operation: 95-24=71 Exploring Operation: 47-24=23, Resulting Numbers: [95, 23] Generated Node #0,0,1: 13:[95, 23] Operation: 47-24=23 Exploring Operation: 47+24=71, Resulting Numbers: [95, 71] Generated Node #0,0,2: 13:[95, 71] Operation: 47+24=71 Exploring Operation: 95-47=48, Resulting Numbers: [24, 48] Generated Node #0,0,3: 13:[24, 48] Operation: 95-47=48 Exploring Operation: 47+95=142, Resulting Numbers: [24, 142] Generated Node #0,0,4: 13:[24, 142] Operation: 47+95=142 Moving to Node #0,3 Current State: 13:[73, 95, 50], Operations: ['97-47=50'] Exploring Operation: 95-73=22, Resulting Numbers: [50, 22] Generated Node #0,3,0: 13:[50, 22] Operation: 95-73=22 Exploring Operation: 73+50=123, Resulting Numbers: [95, 123] Generated Node #0,3,1: 13:[95, 123] Operation: 73+50=123 Exploring Operation: 95-50=45, Resulting Numbers: [73, 45] Generated Node #0,3,2: 13:[73, 45] Operation: 95-50=45 Exploring Operation: 73+95=168, Resulting Numbers: [50, 168] Generated Node #0,3,3: 13:[50, 168] Operation: 73+95=168 Exploring Operation: 73-50=23, Resulting Numbers: [95, 23] Generated Node #0,3,4: 13:[95, 23] Operation: 73-50=23 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 13:[50, 22], Operations: ['97-47=50', '95-73=22'] Exploring Operation: 50*22=1100, Resulting Numbers: [1100] 1100,13 unequal: No Solution Exploring Operation: 50-22=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 50+22=72, Resulting Numbers: [72] 72,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 13:[73, 45], Operations: ['97-47=50', '95-50=45'] Exploring Operation: 73*45=3285, Resulting Numbers: [3285] 3285,13 unequal: No Solution Exploring Operation: 73+45=118, Resulting Numbers: [118] 118,13 unequal: No Solution Exploring Operation: 73-45=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 13:[95, 23], Operations: ['97-47=50', '73-50=23'] Exploring Operation: 95-23=72, Resulting Numbers: [72] 72,13 unequal: No Solution Exploring Operation: 95+23=118, Resulting Numbers: [118] 118,13 unequal: No Solution Exploring Operation: 95*23=2185, Resulting Numbers: [2185] 2185,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 13:[95, 123], Operations: ['97-47=50', '73+50=123'] Exploring Operation: 95*123=11685, Resulting Numbers: [11685] 11685,13 unequal: No Solution Exploring Operation: 95+123=218, Resulting Numbers: [218] 218,13 unequal: No Solution Exploring Operation: 123-95=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 13:[50, 168], Operations: ['97-47=50', '73+95=168'] Exploring Operation: 50*168=8400, Resulting Numbers: [8400] 8400,13 unequal: No Solution Exploring Operation: 168-50=118, Resulting Numbers: [118] 118,13 unequal: No Solution Exploring Operation: 50+168=218, Resulting Numbers: [218] 218,13 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: 13:[97, 95, 26], Operations: ['73-47=26'] Exploring Operation: 97-95=2, Resulting Numbers: [26, 2] Generated Node #0,4,0: 13:[26, 2] Operation: 97-95=2 Exploring Operation: 97+95=192, Resulting Numbers: [26, 192] Generated Node #0,4,1: 13:[26, 192] Operation: 97+95=192 Exploring Operation: 97-26=71, Resulting Numbers: [95, 71] Generated Node #0,4,2: 13:[95, 71] Operation: 97-26=71 Exploring Operation: 95-26=69, Resulting Numbers: [97, 69] Generated Node #0,4,3: 13:[97, 69] Operation: 95-26=69 Exploring Operation: 97+26=123, Resulting Numbers: [95, 123] Generated Node #0,4,4: 13:[95, 123] Operation: 97+26=123 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 13:[26, 2], Operations: ['73-47=26', '97-95=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[73, 97, 47, 95], Operations: [] Exploring Operation: 73-47=26, Resulting Numbers: [97, 95, 26] Generated Node #0,4: 13:[97, 95, 26] Operation: 73-47=26 Moving to Node #0,4 Current State: 13:[97, 95, 26], Operations: ['73-47=26'] Exploring Operation: 97-95=2, Resulting Numbers: [26, 2] Generated Node #0,4,0: 13:[26, 2] Operation: 97-95=2 Moving to Node #0,4,0 Current State: 13:[26, 2], Operations: ['73-47=26', '97-95=2'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.956597
hs_5
mult_heuristic
[ 63, 77, 20, 18 ]
70
[ "63+77=140", "20-18=2", "140/2=70" ]
Current State: 70:[63, 77, 20, 18], Operations: [] Exploring Operation: 63+77=140, Resulting Numbers: [20, 18, 140] Generated Node #2: [20, 18, 140] from Operation: 63+77=140 Current State: 70:[20, 18, 140], Operations: ['63+77=140'] Exploring Operation: 20-18=2, Resulting Numbers: [140, 2] Generated Node #3: [140, 2] from Operation: 20-18=2 Current State: 70:[140, 2], Operations: ['63+77=140', '20-18=2'] Exploring Operation: 140/2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[63, 77, 20, 18], Operations: [] Exploring Operation: 20-18=2, Resulting Numbers: [63, 77, 2] Generated Node #0,0: 70:[63, 77, 2] Operation: 20-18=2 Exploring Operation: 77-63=14, Resulting Numbers: [20, 18, 14] Generated Node #0,1: 70:[20, 18, 14] Operation: 77-63=14 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[20, 18, 14], Operations: ['77-63=14'] Exploring Operation: 20+18=38, Resulting Numbers: [14, 38] Generated Node #0,1,0: 70:[14, 38] Operation: 20+18=38 Exploring Operation: 20-18=2, Resulting Numbers: [14, 2] Generated Node #0,1,1: 70:[14, 2] Operation: 20-18=2 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 70:[14, 2], Operations: ['77-63=14', '20-18=2'] Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 70:[14, 38], Operations: ['77-63=14', '20+18=38'] Exploring Operation: 14+38=52, Resulting Numbers: [52] 52,70 unequal: No Solution Exploring Operation: 38-14=24, Resulting Numbers: [24] 24,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[63, 77, 2], Operations: ['20-18=2'] Exploring Operation: 77-63=14, Resulting Numbers: [2, 14] Generated Node #0,0,0: 70:[2, 14] Operation: 77-63=14 Exploring Operation: 63+2=65, Resulting Numbers: [77, 65] Generated Node #0,0,1: 70:[77, 65] Operation: 63+2=65 Moving to Node #0,0,0 Current State: 70:[2, 14], Operations: ['20-18=2', '77-63=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,70 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[77, 65], Operations: ['20-18=2', '63+2=65'] Exploring Operation: 77+65=142, Resulting Numbers: [142] 142,70 unequal: No Solution Exploring Operation: 77-65=12, Resulting Numbers: [12] 12,70 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
[ 45, 77, 87, 80 ]
25
[ "77-45=32", "87-80=7", "32-7=25" ]
Current State: 25:[45, 77, 87, 80], Operations: [] Exploring Operation: 77-45=32, Resulting Numbers: [87, 80, 32] Generated Node #2: [87, 80, 32] from Operation: 77-45=32 Current State: 25:[87, 80, 32], Operations: ['77-45=32'] Exploring Operation: 87-80=7, Resulting Numbers: [32, 7] Generated Node #3: [32, 7] from Operation: 87-80=7 Current State: 25:[32, 7], Operations: ['77-45=32', '87-80=7'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[45, 77, 87, 80], Operations: [] Exploring Operation: 87-77=10, Resulting Numbers: [45, 80, 10] Generated Node #0,0: 25:[45, 80, 10] Operation: 87-77=10 Exploring Operation: 80-77=3, Resulting Numbers: [45, 87, 3] Generated Node #0,1: 25:[45, 87, 3] Operation: 80-77=3 Exploring Operation: 87-45=42, Resulting Numbers: [77, 80, 42] Generated Node #0,2: 25:[77, 80, 42] Operation: 87-45=42 Exploring Operation: 87-80=7, Resulting Numbers: [45, 77, 7] Generated Node #0,3: 25:[45, 77, 7] Operation: 87-80=7 Exploring Operation: 77-45=32, Resulting Numbers: [87, 80, 32] Generated Node #0,4: 25:[87, 80, 32] Operation: 77-45=32 Moving to Node #0,3 Current State: 25:[45, 77, 7], Operations: ['87-80=7'] Exploring Operation: 77/7=11, Resulting Numbers: [45, 11] Generated Node #0,3,0: 25:[45, 11] Operation: 77/7=11 Exploring Operation: 77-7=70, Resulting Numbers: [45, 70] Generated Node #0,3,1: 25:[45, 70] Operation: 77-7=70 Exploring Operation: 45+7=52, Resulting Numbers: [77, 52] Generated Node #0,3,2: 25:[77, 52] Operation: 45+7=52 Exploring Operation: 77-45=32, Resulting Numbers: [7, 32] Generated Node #0,3,3: 25:[7, 32] Operation: 77-45=32 Exploring Operation: 45-7=38, Resulting Numbers: [77, 38] Generated Node #0,3,4: 25:[77, 38] Operation: 45-7=38 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 25:[7, 32], Operations: ['87-80=7', '77-45=32'] Exploring Operation: 7+32=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[45, 77, 87, 80], Operations: [] Exploring Operation: 87-80=7, Resulting Numbers: [45, 77, 7] Generated Node #0,3: 25:[45, 77, 7] Operation: 87-80=7 Moving to Node #0,3 Current State: 25:[45, 77, 7], Operations: ['87-80=7'] Exploring Operation: 77-45=32, Resulting Numbers: [7, 32] Generated Node #0,3,3: 25:[7, 32] Operation: 77-45=32 Moving to Node #0,3,3 Current State: 25:[7, 32], Operations: ['87-80=7', '77-45=32'] Exploring Operation: 32-7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 31, 59, 1, 7 ]
83
[ "31+59=90", "1*7=7", "90-7=83" ]
Current State: 83:[31, 59, 1, 7], Operations: [] Exploring Operation: 31+59=90, Resulting Numbers: [1, 7, 90] Generated Node #2: [1, 7, 90] from Operation: 31+59=90 Current State: 83:[1, 7, 90], Operations: ['31+59=90'] Exploring Operation: 1*7=7, Resulting Numbers: [90, 7] Generated Node #3: [90, 7] from Operation: 1*7=7 Current State: 83:[90, 7], Operations: ['31+59=90', '1*7=7'] Exploring Operation: 90-7=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[31, 59, 1, 7], Operations: [] Exploring Operation: 31+7=38, Resulting Numbers: [59, 1, 38] Generated Node #0,0: 83:[59, 1, 38] Operation: 31+7=38 Exploring Operation: 31+1=32, Resulting Numbers: [59, 7, 32] Generated Node #0,1: 83:[59, 7, 32] Operation: 31+1=32 Exploring Operation: 59+7=66, Resulting Numbers: [31, 1, 66] Generated Node #0,2: 83:[31, 1, 66] Operation: 59+7=66 Exploring Operation: 59+1=60, Resulting Numbers: [31, 7, 60] Generated Node #0,3: 83:[31, 7, 60] Operation: 59+1=60 Moving to Node #0,0 Current State: 83:[59, 1, 38], Operations: ['31+7=38'] Exploring Operation: 1+38=39, Resulting Numbers: [59, 39] Generated Node #0,0,0: 83:[59, 39] Operation: 1+38=39 Exploring Operation: 59/1=59, Resulting Numbers: [38, 59] Generated Node #0,0,1: 83:[38, 59] Operation: 59/1=59 Exploring Operation: 59+1=60, Resulting Numbers: [38, 60] Generated Node #0,0,2: 83:[38, 60] Operation: 59+1=60 Exploring Operation: 59*1=59, Resulting Numbers: [38, 59] Generated Node #0,0,3: 83:[38, 59] Operation: 59*1=59 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[59, 39], Operations: ['31+7=38', '1+38=39'] Exploring Operation: 59*39=2301, Resulting Numbers: [2301] 2301,83 unequal: No Solution Exploring Operation: 59+39=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 83:[38, 60], Operations: ['31+7=38', '59+1=60'] Exploring Operation: 38*60=2280, Resulting Numbers: [2280] 2280,83 unequal: No Solution Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,83 unequal: No Solution Exploring Operation: 38+60=98, Resulting Numbers: [98] 98,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[38, 59], Operations: ['31+7=38', '59/1=59'] Exploring Operation: 38+59=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 38*59=2242, Resulting Numbers: [2242] 2242,83 unequal: No Solution Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 83:[38, 59], Operations: ['31+7=38', '59*1=59'] Exploring Operation: 38*59=2242, Resulting Numbers: [2242] 2242,83 unequal: No Solution Exploring Operation: 38+59=97, Resulting Numbers: [97] 97,83 unequal: No Solution Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,83 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: 83:[31, 1, 66], Operations: ['59+7=66'] Exploring Operation: 31*1=31, Resulting Numbers: [66, 31] Generated Node #0,2,0: 83:[66, 31] Operation: 31*1=31 Exploring Operation: 1+66=67, Resulting Numbers: [31, 67] Generated Node #0,2,1: 83:[31, 67] Operation: 1+66=67 Exploring Operation: 31/1=31, Resulting Numbers: [66, 31] Generated Node #0,2,2: 83:[66, 31] Operation: 31/1=31 Exploring Operation: 31+1=32, Resulting Numbers: [66, 32] Generated Node #0,2,3: 83:[66, 32] Operation: 31+1=32 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 83:[31, 67], Operations: ['59+7=66', '1+66=67'] Exploring Operation: 31+67=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 31*67=2077, Resulting Numbers: [2077] 2077,83 unequal: No Solution Exploring Operation: 67-31=36, Resulting Numbers: [36] 36,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 83:[66, 32], Operations: ['59+7=66', '31+1=32'] Exploring Operation: 66+32=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 66*32=2112, Resulting Numbers: [2112] 2112,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 83:[66, 31], Operations: ['59+7=66', '31*1=31'] Exploring Operation: 66*31=2046, Resulting Numbers: [2046] 2046,83 unequal: No Solution Exploring Operation: 66-31=35, Resulting Numbers: [35] 35,83 unequal: No Solution Exploring Operation: 66+31=97, Resulting Numbers: [97] 97,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 83:[66, 31], Operations: ['59+7=66', '31/1=31'] Exploring Operation: 66-31=35, Resulting Numbers: [35] 35,83 unequal: No Solution Exploring Operation: 66*31=2046, Resulting Numbers: [2046] 2046,83 unequal: No Solution Exploring Operation: 66+31=97, Resulting Numbers: [97] 97,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 83:[59, 7, 32], Operations: ['31+1=32'] Exploring Operation: 7+32=39, Resulting Numbers: [59, 39] Generated Node #0,1,0: 83:[59, 39] Operation: 7+32=39 Exploring Operation: 59+7=66, Resulting Numbers: [32, 66] Generated Node #0,1,1: 83:[32, 66] Operation: 59+7=66 Exploring Operation: 59-7=52, Resulting Numbers: [32, 52] Generated Node #0,1,2: 83:[32, 52] Operation: 59-7=52 Exploring Operation: 32-7=25, Resulting Numbers: [59, 25] Generated Node #0,1,3: 83:[59, 25] Operation: 32-7=25 Moving to Node #0,3 Current State: 83:[31, 7, 60], Operations: ['59+1=60'] Exploring Operation: 60-7=53, Resulting Numbers: [31, 53] Generated Node #0,3,0: 83:[31, 53] Operation: 60-7=53 Exploring Operation: 31+7=38, Resulting Numbers: [60, 38] Generated Node #0,3,1: 83:[60, 38] Operation: 31+7=38 Exploring Operation: 31-7=24, Resulting Numbers: [60, 24] Generated Node #0,3,2: 83:[60, 24] Operation: 31-7=24 Exploring Operation: 7+60=67, Resulting Numbers: [31, 67] Generated Node #0,3,3: 83:[31, 67] Operation: 7+60=67 Moving to Node #0,1,0 Current State: 83:[59, 39], Operations: ['31+1=32', '7+32=39'] Exploring Operation: 59-39=20, Resulting Numbers: [20] 20,83 unequal: No Solution Exploring Operation: 59*39=2301, Resulting Numbers: [2301] 2301,83 unequal: No Solution Exploring Operation: 59+39=98, Resulting Numbers: [98] 98,83 unequal: No Solution Moving to Node #0,3,3 Current State: 83:[31, 67], Operations: ['59+1=60', '7+60=67'] Exploring Operation: 31+67=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 67-31=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 31*67=2077, Resulting Numbers: [2077] 2077,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[32, 66], Operations: ['31+1=32', '59+7=66'] Exploring Operation: 32+66=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 32*66=2112, Resulting Numbers: [2112] 2112,83 unequal: No Solution Exploring Operation: 66-32=34, Resulting Numbers: [34] 34,83 unequal: No Solution Moving to Node #0,3,1 Current State: 83:[60, 38], Operations: ['59+1=60', '31+7=38'] Exploring Operation: 60+38=98, Resulting Numbers: [98] 98,83 unequal: No Solution Exploring Operation: 60*38=2280, Resulting Numbers: [2280] 2280,83 unequal: No Solution Exploring Operation: 60-38=22, Resulting Numbers: [22] 22,83 unequal: No Solution Moving to Node #0,3,0 Current State: 83:[31, 53], Operations: ['59+1=60', '60-7=53'] Exploring Operation: 31*53=1643, Resulting Numbers: [1643] 1643,83 unequal: No Solution Exploring Operation: 31+53=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,83 unequal: No Solution Moving to Node #0,1,2 Current State: 83:[32, 52], Operations: ['31+1=32', '59-7=52'] Exploring Operation: 32+52=84, Resulting Numbers: [84] 84,83 unequal: No Solution Exploring Operation: 32*52=1664, Resulting Numbers: [1664] 1664,83 unequal: No Solution Exploring Operation: 52-32=20, Resulting Numbers: [20] 20,83 unequal: No Solution Moving to Node #0,3,2 Current State: 83:[60, 24], Operations: ['59+1=60', '31-7=24'] Exploring Operation: 60*24=1440, Resulting Numbers: [1440] 1440,83 unequal: No Solution Exploring Operation: 60-24=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 60+24=84, Resulting Numbers: [84] 84,83 unequal: No Solution Moving to Node #0,1,3 Current State: 83:[59, 25], Operations: ['31+1=32', '32-7=25'] Exploring Operation: 59*25=1475, Resulting Numbers: [1475] 1475,83 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 59+25=84, Resulting Numbers: [84] 84,83 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 95, 83, 87, 96 ]
71
[ "95-87=8", "96/8=12", "83-12=71" ]
Current State: 71:[95, 83, 87, 96], Operations: [] Exploring Operation: 95-87=8, Resulting Numbers: [83, 96, 8] Generated Node #2: [83, 96, 8] from Operation: 95-87=8 Current State: 71:[83, 96, 8], Operations: ['95-87=8'] Exploring Operation: 96/8=12, Resulting Numbers: [83, 12] Generated Node #3: [83, 12] from Operation: 96/8=12 Current State: 71:[83, 12], Operations: ['95-87=8', '96/8=12'] Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[95, 83, 87, 96], Operations: [] Exploring Operation: 96-95=1, Resulting Numbers: [83, 87, 1] Generated Node #0,0: 71:[83, 87, 1] Operation: 96-95=1 Exploring Operation: 96-83=13, Resulting Numbers: [95, 87, 13] Generated Node #0,1: 71:[95, 87, 13] Operation: 96-83=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[83, 87, 1], Operations: ['96-95=1'] Exploring Operation: 83-1=82, Resulting Numbers: [87, 82] Generated Node #0,0,0: 71:[87, 82] Operation: 83-1=82 Exploring Operation: 87-1=86, Resulting Numbers: [83, 86] Generated Node #0,0,1: 71:[83, 86] Operation: 87-1=86 Moving to Node #0,0,0 Current State: 71:[87, 82], Operations: ['96-95=1', '83-1=82'] Exploring Operation: 87-82=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 87+82=169, Resulting Numbers: [169] 169,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[83, 86], Operations: ['96-95=1', '87-1=86'] Exploring Operation: 83+86=169, Resulting Numbers: [169] 169,71 unequal: No Solution Exploring Operation: 86-83=3, Resulting Numbers: [3] 3,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 71:[95, 87, 13], Operations: ['96-83=13'] Exploring Operation: 87-13=74, Resulting Numbers: [95, 74] Generated Node #0,1,0: 71:[95, 74] Operation: 87-13=74 Exploring Operation: 95-13=82, Resulting Numbers: [87, 82] Generated Node #0,1,1: 71:[87, 82] Operation: 95-13=82 Moving to Node #0,1,0 Current State: 71:[95, 74], Operations: ['96-83=13', '87-13=74'] Exploring Operation: 95+74=169, Resulting Numbers: [169] 169,71 unequal: No Solution Exploring Operation: 95-74=21, Resulting Numbers: [21] 21,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[87, 82], Operations: ['96-83=13', '95-13=82'] Exploring Operation: 87-82=5, Resulting Numbers: [5] 5,71 unequal: No Solution Exploring Operation: 87+82=169, Resulting Numbers: [169] 169,71 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
[ 30, 48, 57, 42 ]
60
[ "48+42=90", "90/30=3", "57+3=60" ]
Current State: 60:[30, 48, 57, 42], Operations: [] Exploring Operation: 48+42=90, Resulting Numbers: [30, 57, 90] Generated Node #2: [30, 57, 90] from Operation: 48+42=90 Current State: 60:[30, 57, 90], Operations: ['48+42=90'] Exploring Operation: 90/30=3, Resulting Numbers: [57, 3] Generated Node #3: [57, 3] from Operation: 90/30=3 Current State: 60:[57, 3], Operations: ['48+42=90', '90/30=3'] Exploring Operation: 57+3=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[30, 48, 57, 42], Operations: [] Exploring Operation: 57-42=15, Resulting Numbers: [30, 48, 15] Generated Node #0,0: 60:[30, 48, 15] Operation: 57-42=15 Exploring Operation: 57-48=9, Resulting Numbers: [30, 42, 9] Generated Node #0,1: 60:[30, 42, 9] Operation: 57-48=9 Exploring Operation: 42-30=12, Resulting Numbers: [48, 57, 12] Generated Node #0,2: 60:[48, 57, 12] Operation: 42-30=12 Exploring Operation: 48-30=18, Resulting Numbers: [57, 42, 18] Generated Node #0,3: 60:[57, 42, 18] Operation: 48-30=18 Exploring Operation: 48-42=6, Resulting Numbers: [30, 57, 6] Generated Node #0,4: 60:[30, 57, 6] Operation: 48-42=6 Moving to Node #0,4 Current State: 60:[30, 57, 6], Operations: ['48-42=6'] Exploring Operation: 30+6=36, Resulting Numbers: [57, 36] Generated Node #0,4,0: 60:[57, 36] Operation: 30+6=36 Exploring Operation: 30/6=5, Resulting Numbers: [57, 5] Generated Node #0,4,1: 60:[57, 5] Operation: 30/6=5 Exploring Operation: 57-30=27, Resulting Numbers: [6, 27] Generated Node #0,4,2: 60:[6, 27] Operation: 57-30=27 Exploring Operation: 57+6=63, Resulting Numbers: [30, 63] Generated Node #0,4,3: 60:[30, 63] Operation: 57+6=63 Exploring Operation: 30-6=24, Resulting Numbers: [57, 24] Generated Node #0,4,4: 60:[57, 24] Operation: 30-6=24 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 60:[57, 5], Operations: ['48-42=6', '30/6=5'] Exploring Operation: 57*5=285, Resulting Numbers: [285] 285,60 unequal: No Solution Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,60 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 60:[6, 27], Operations: ['48-42=6', '57-30=27'] Exploring Operation: 6+27=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 6*27=162, Resulting Numbers: [162] 162,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 60:[30, 63], Operations: ['48-42=6', '57+6=63'] Exploring Operation: 30+63=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 30*63=1890, Resulting Numbers: [1890] 1890,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 60:[57, 24], Operations: ['48-42=6', '30-6=24'] Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 57+24=81, Resulting Numbers: [81] 81,60 unequal: No Solution Exploring Operation: 57*24=1368, Resulting Numbers: [1368] 1368,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 60:[57, 36], Operations: ['48-42=6', '30+6=36'] Exploring Operation: 57+36=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 57*36=2052, Resulting Numbers: [2052] 2052,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 60:[30, 48, 15], Operations: ['57-42=15'] Exploring Operation: 30/15=2, Resulting Numbers: [48, 2] Generated Node #0,0,0: 60:[48, 2] Operation: 30/15=2 Exploring Operation: 48-30=18, Resulting Numbers: [15, 18] Generated Node #0,0,1: 60:[15, 18] Operation: 48-30=18 Exploring Operation: 48-15=33, Resulting Numbers: [30, 33] Generated Node #0,0,2: 60:[30, 33] Operation: 48-15=33 Exploring Operation: 48+15=63, Resulting Numbers: [30, 63] Generated Node #0,0,3: 60:[30, 63] Operation: 48+15=63 Exploring Operation: 30-15=15, Resulting Numbers: [48, 15] Generated Node #0,0,4: 60:[48, 15] Operation: 30-15=15 Moving to Node #0,1 Current State: 60:[30, 42, 9], Operations: ['57-48=9'] Exploring Operation: 30-9=21, Resulting Numbers: [42, 21] Generated Node #0,1,0: 60:[42, 21] Operation: 30-9=21 Exploring Operation: 42-30=12, Resulting Numbers: [9, 12] Generated Node #0,1,1: 60:[9, 12] Operation: 42-30=12 Exploring Operation: 42+9=51, Resulting Numbers: [30, 51] Generated Node #0,1,2: 60:[30, 51] Operation: 42+9=51 Exploring Operation: 30+42=72, Resulting Numbers: [9, 72] Generated Node #0,1,3: 60:[9, 72] Operation: 30+42=72 Exploring Operation: 42-9=33, Resulting Numbers: [30, 33] Generated Node #0,1,4: 60:[30, 33] Operation: 42-9=33 Moving to Node #0,2 Current State: 60:[48, 57, 12], Operations: ['42-30=12'] Exploring Operation: 57+12=69, Resulting Numbers: [48, 69] Generated Node #0,2,0: 60:[48, 69] Operation: 57+12=69 Exploring Operation: 57-48=9, Resulting Numbers: [12, 9] Generated Node #0,2,1: 60:[12, 9] Operation: 57-48=9 Exploring Operation: 48-12=36, Resulting Numbers: [57, 36] Generated Node #0,2,2: 60:[57, 36] Operation: 48-12=36 Exploring Operation: 48+12=60, Resulting Numbers: [57, 60] Generated Node #0,2,3: 60:[57, 60] Operation: 48+12=60 Exploring Operation: 48/12=4, Resulting Numbers: [57, 4] Generated Node #0,2,4: 60:[57, 4] Operation: 48/12=4 Moving to Node #0,3 Current State: 60:[57, 42, 18], Operations: ['48-30=18'] Exploring Operation: 42-18=24, Resulting Numbers: [57, 24] Generated Node #0,3,0: 60:[57, 24] Operation: 42-18=24 Exploring Operation: 42+18=60, Resulting Numbers: [57, 60] Generated Node #0,3,1: 60:[57, 60] Operation: 42+18=60 Exploring Operation: 57-42=15, Resulting Numbers: [18, 15] Generated Node #0,3,2: 60:[18, 15] Operation: 57-42=15 Exploring Operation: 57+18=75, Resulting Numbers: [42, 75] Generated Node #0,3,3: 60:[42, 75] Operation: 57+18=75 Exploring Operation: 57-18=39, Resulting Numbers: [42, 39] Generated Node #0,3,4: 60:[42, 39] Operation: 57-18=39 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 60:[18, 15], Operations: ['48-30=18', '57-42=15'] Exploring Operation: 18*15=270, Resulting Numbers: [270] 270,60 unequal: No Solution Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 60:[57, 60], Operations: ['48-30=18', '42+18=60'] Exploring Operation: 57+60=117, Resulting Numbers: [117] 117,60 unequal: No Solution Exploring Operation: 57*60=3420, Resulting Numbers: [3420] 3420,60 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 60:[57, 24], Operations: ['48-30=18', '42-18=24'] Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 57*24=1368, Resulting Numbers: [1368] 1368,60 unequal: No Solution Exploring Operation: 57+24=81, Resulting Numbers: [81] 81,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 60:[42, 39], Operations: ['48-30=18', '57-18=39'] Exploring Operation: 42*39=1638, Resulting Numbers: [1638] 1638,60 unequal: No Solution Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 42+39=81, Resulting Numbers: [81] 81,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 60:[42, 75], Operations: ['48-30=18', '57+18=75'] Exploring Operation: 75-42=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 42+75=117, Resulting Numbers: [117] 117,60 unequal: No Solution Exploring Operation: 42*75=3150, Resulting Numbers: [3150] 3150,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 60:[9, 12], Operations: ['57-48=9', '42-30=12'] Exploring Operation: 9*12=108, Resulting Numbers: [108] 108,60 unequal: No Solution Exploring Operation: 9+12=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[12, 9], Operations: ['42-30=12', '57-48=9'] Exploring Operation: 12-9=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 12*9=108, Resulting Numbers: [108] 108,60 unequal: No Solution Moving to Node #0,0,1 Current State: 60:[15, 18], Operations: ['57-42=15', '48-30=18'] Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 15*18=270, Resulting Numbers: [270] 270,60 unequal: No Solution Exploring Operation: 15+18=33, Resulting Numbers: [33] 33,60 unequal: No Solution Moving to Node #0,1,4 Current State: 60:[30, 33], Operations: ['57-48=9', '42-9=33'] Exploring Operation: 30+33=63, Resulting Numbers: [63] 63,60 unequal: No Solution Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 30*33=990, Resulting Numbers: [990] 990,60 unequal: No Solution Moving to Node #0,0,3 Current State: 60:[30, 63], Operations: ['57-42=15', '48+15=63'] Exploring Operation: 30+63=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 30*63=1890, Resulting Numbers: [1890] 1890,60 unequal: No Solution Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,60 unequal: No Solution Moving to Node #0,2,3 Current State: 60:[57, 60], Operations: ['42-30=12', '48+12=60'] Exploring Operation: 57+60=117, Resulting Numbers: [117] 117,60 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 57*60=3420, Resulting Numbers: [3420] 3420,60 unequal: No Solution Moving to Node #0,2,4 Current State: 60:[57, 4], Operations: ['42-30=12', '48/12=4'] Exploring Operation: 57*4=228, Resulting Numbers: [228] 228,60 unequal: No Solution Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,60 unequal: No Solution Exploring Operation: 57+4=61, Resulting Numbers: [61] 61,60 unequal: No Solution Moving to Node #0,0,2 Current State: 60:[30, 33], Operations: ['57-42=15', '48-15=33'] Exploring Operation: 33-30=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 30*33=990, Resulting Numbers: [990] 990,60 unequal: No Solution Exploring Operation: 30+33=63, Resulting Numbers: [63] 63,60 unequal: No Solution Moving to Node #0,2,2 Current State: 60:[57, 36], Operations: ['42-30=12', '48-12=36'] Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 57+36=93, Resulting Numbers: [93] 93,60 unequal: No Solution Exploring Operation: 57*36=2052, Resulting Numbers: [2052] 2052,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[30, 51], Operations: ['57-48=9', '42+9=51'] Exploring Operation: 30*51=1530, Resulting Numbers: [1530] 1530,60 unequal: No Solution Exploring Operation: 51-30=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 30+51=81, Resulting Numbers: [81] 81,60 unequal: No Solution Moving to Node #0,0,4 Current State: 60:[48, 15], Operations: ['57-42=15', '30-15=15'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,60 unequal: No Solution Exploring Operation: 48+15=63, Resulting Numbers: [63] 63,60 unequal: No Solution Exploring Operation: 48*15=720, Resulting Numbers: [720] 720,60 unequal: No Solution Moving to Node #0,0,0 Current State: 60:[48, 2], Operations: ['57-42=15', '30/15=2'] Exploring Operation: 48*2=96, Resulting Numbers: [96] 96,60 unequal: No Solution Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,60 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,60 unequal: No Solution Moving to Node #0,1,3 Current State: 60:[9, 72], Operations: ['57-48=9', '30+42=72'] Exploring Operation: 72/9=8, Resulting Numbers: [8] 8,60 unequal: No Solution Exploring Operation: 72-9=63, Resulting Numbers: [63] 63,60 unequal: No Solution Exploring Operation: 9*72=648, Resulting Numbers: [648] 648,60 unequal: No Solution Exploring Operation: 9+72=81, Resulting Numbers: [81] 81,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[42, 21], Operations: ['57-48=9', '30-9=21'] Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,60 unequal: No Solution Exploring Operation: 42*21=882, Resulting Numbers: [882] 882,60 unequal: No Solution Exploring Operation: 42+21=63, Resulting Numbers: [63] 63,60 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[48, 69], Operations: ['42-30=12', '57+12=69'] Exploring Operation: 48*69=3312, Resulting Numbers: [3312] 3312,60 unequal: No Solution Exploring Operation: 48+69=117, Resulting Numbers: [117] 117,60 unequal: No Solution Exploring Operation: 69-48=21, Resulting Numbers: [21] 21,60 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 82, 3, 15, 92 ]
55
[ "92-82=10", "3*15=45", "10+45=55" ]
Current State: 55:[82, 3, 15, 92], Operations: [] Exploring Operation: 92-82=10, Resulting Numbers: [3, 15, 10] Generated Node #2: [3, 15, 10] from Operation: 92-82=10 Current State: 55:[3, 15, 10], Operations: ['92-82=10'] Exploring Operation: 3*15=45, Resulting Numbers: [10, 45] Generated Node #3: [10, 45] from Operation: 3*15=45 Current State: 55:[10, 45], Operations: ['92-82=10', '3*15=45'] Exploring Operation: 10+45=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[82, 3, 15, 92], Operations: [] Exploring Operation: 82-15=67, Resulting Numbers: [3, 92, 67] Generated Node #0,0: 55:[3, 92, 67] Operation: 82-15=67 Exploring Operation: 92-82=10, Resulting Numbers: [3, 15, 10] Generated Node #0,1: 55:[3, 15, 10] Operation: 92-82=10 Exploring Operation: 92-15=77, Resulting Numbers: [82, 3, 77] Generated Node #0,2: 55:[82, 3, 77] Operation: 92-15=77 Moving to Node #0,1 Current State: 55:[3, 15, 10], Operations: ['92-82=10'] Exploring Operation: 15/3=5, Resulting Numbers: [10, 5] Generated Node #0,1,0: 55:[10, 5] Operation: 15/3=5 Exploring Operation: 15-10=5, Resulting Numbers: [3, 5] Generated Node #0,1,1: 55:[3, 5] Operation: 15-10=5 Exploring Operation: 15-3=12, Resulting Numbers: [10, 12] Generated Node #0,1,2: 55:[10, 12] Operation: 15-3=12 Moving to Node #0,0 Current State: 55:[3, 92, 67], Operations: ['82-15=67'] Exploring Operation: 92-67=25, Resulting Numbers: [3, 25] Generated Node #0,0,0: 55:[3, 25] Operation: 92-67=25 Exploring Operation: 92-3=89, Resulting Numbers: [67, 89] Generated Node #0,0,1: 55:[67, 89] Operation: 92-3=89 Exploring Operation: 67-3=64, Resulting Numbers: [92, 64] Generated Node #0,0,2: 55:[92, 64] Operation: 67-3=64 Moving to Node #0,2 Current State: 55:[82, 3, 77], Operations: ['92-15=77'] Exploring Operation: 77-3=74, Resulting Numbers: [82, 74] Generated Node #0,2,0: 55:[82, 74] Operation: 77-3=74 Exploring Operation: 82-3=79, Resulting Numbers: [77, 79] Generated Node #0,2,1: 55:[77, 79] Operation: 82-3=79 Exploring Operation: 82-77=5, Resulting Numbers: [3, 5] Generated Node #0,2,2: 55:[3, 5] Operation: 82-77=5 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 55:[3, 5], Operations: ['92-15=77', '82-77=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,55 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:[82, 74], Operations: ['92-15=77', '77-3=74'] Exploring Operation: 82+74=156, Resulting Numbers: [156] 156,55 unequal: No Solution Exploring Operation: 82-74=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 82*74=6068, Resulting Numbers: [6068] 6068,55 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 #0,2,1 Current State: 55:[77, 79], Operations: ['92-15=77', '82-3=79'] Exploring Operation: 79-77=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 77*79=6083, Resulting Numbers: [6083] 6083,55 unequal: No Solution Exploring Operation: 77+79=156, Resulting Numbers: [156] 156,55 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: 55:[10, 5], Operations: ['92-82=10', '15/3=5'] Exploring Operation: 10+5=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 10-5=5, Resulting Numbers: [5] 5,55 unequal: No Solution Exploring Operation: 10/5=2, Resulting Numbers: [2] 2,55 unequal: No Solution Moving to Node #0,1,2 Current State: 55:[10, 12], Operations: ['92-82=10', '15-3=12'] Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 10*12=120, Resulting Numbers: [120] 120,55 unequal: No Solution Exploring Operation: 10+12=22, Resulting Numbers: [22] 22,55 unequal: No Solution Moving to Node #0,1,1 Current State: 55:[3, 5], Operations: ['92-82=10', '15-10=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,55 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,55 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,55 unequal: No Solution Moving to Node #0,0,0 Current State: 55:[3, 25], Operations: ['82-15=67', '92-67=25'] Exploring Operation: 25-3=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 3*25=75, Resulting Numbers: [75] 75,55 unequal: No Solution Exploring Operation: 3+25=28, Resulting Numbers: [28] 28,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[67, 89], Operations: ['82-15=67', '92-3=89'] Exploring Operation: 67*89=5963, Resulting Numbers: [5963] 5963,55 unequal: No Solution Exploring Operation: 89-67=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 67+89=156, Resulting Numbers: [156] 156,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[92, 64], Operations: ['82-15=67', '67-3=64'] Exploring Operation: 92+64=156, Resulting Numbers: [156] 156,55 unequal: No Solution Exploring Operation: 92-64=28, Resulting Numbers: [28] 28,55 unequal: No Solution Exploring Operation: 92*64=5888, Resulting Numbers: [5888] 5888,55 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 98, 23, 15, 11 ]
71
[ "98-23=75", "15-11=4", "75-4=71" ]
Current State: 71:[98, 23, 15, 11], Operations: [] Exploring Operation: 98-23=75, Resulting Numbers: [15, 11, 75] Generated Node #2: [15, 11, 75] from Operation: 98-23=75 Current State: 71:[15, 11, 75], Operations: ['98-23=75'] Exploring Operation: 15-11=4, Resulting Numbers: [75, 4] Generated Node #3: [75, 4] from Operation: 15-11=4 Current State: 71:[75, 4], Operations: ['98-23=75', '15-11=4'] Exploring Operation: 75-4=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[98, 23, 15, 11], Operations: [] Exploring Operation: 98-23=75, Resulting Numbers: [15, 11, 75] Generated Node #0,0: 71:[15, 11, 75] Operation: 98-23=75 Exploring Operation: 98-11=87, Resulting Numbers: [23, 15, 87] Generated Node #0,1: 71:[23, 15, 87] Operation: 98-11=87 Exploring Operation: 23+11=34, Resulting Numbers: [98, 15, 34] Generated Node #0,2: 71:[98, 15, 34] Operation: 23+11=34 Exploring Operation: 98-15=83, Resulting Numbers: [23, 11, 83] Generated Node #0,3: 71:[23, 11, 83] Operation: 98-15=83 Exploring Operation: 23+15=38, Resulting Numbers: [98, 11, 38] Generated Node #0,4: 71:[98, 11, 38] Operation: 23+15=38 Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[15, 11, 75], Operations: ['98-23=75'] Exploring Operation: 11+75=86, Resulting Numbers: [15, 86] Generated Node #0,0,0: 71:[15, 86] Operation: 11+75=86 Exploring Operation: 15+11=26, Resulting Numbers: [75, 26] Generated Node #0,0,1: 71:[75, 26] Operation: 15+11=26 Exploring Operation: 75-11=64, Resulting Numbers: [15, 64] Generated Node #0,0,2: 71:[15, 64] Operation: 75-11=64 Exploring Operation: 15-11=4, Resulting Numbers: [75, 4] Generated Node #0,0,3: 71:[75, 4] Operation: 15-11=4 Exploring Operation: 75-15=60, Resulting Numbers: [11, 60] Generated Node #0,0,4: 71:[11, 60] Operation: 75-15=60 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[75, 26], Operations: ['98-23=75', '15+11=26'] Exploring Operation: 75-26=49, Resulting Numbers: [49] 49,71 unequal: No Solution Exploring Operation: 75*26=1950, Resulting Numbers: [1950] 1950,71 unequal: No Solution Exploring Operation: 75+26=101, Resulting Numbers: [101] 101,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[15, 64], Operations: ['98-23=75', '75-11=64'] Exploring Operation: 15+64=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 64-15=49, Resulting Numbers: [49] 49,71 unequal: No Solution Exploring Operation: 15*64=960, Resulting Numbers: [960] 960,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[15, 86], Operations: ['98-23=75', '11+75=86'] Exploring Operation: 86-15=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Moving to Node #0 Current State: 71:[98, 23, 15, 11], Operations: [] Exploring Operation: 98-23=75, Resulting Numbers: [15, 11, 75] Generated Node #0,0: 71:[15, 11, 75] Operation: 98-23=75 Moving to Node #0,0 Current State: 71:[15, 11, 75], Operations: ['98-23=75'] Exploring Operation: 11+75=86, Resulting Numbers: [15, 86] Generated Node #0,0,0: 71:[15, 86] Operation: 11+75=86 Moving to Node #0,0,0 Current State: 71:[15, 86], Operations: ['98-23=75', '11+75=86'] Exploring Operation: 86-15=71, Resulting Numbers: [71] 71,71 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 53, 72, 58, 27 ]
66
[ "72-53=19", "58+27=85", "85-19=66" ]
Current State: 66:[53, 72, 58, 27], Operations: [] Exploring Operation: 72-53=19, Resulting Numbers: [58, 27, 19] Generated Node #2: [58, 27, 19] from Operation: 72-53=19 Current State: 66:[58, 27, 19], Operations: ['72-53=19'] Exploring Operation: 58+27=85, Resulting Numbers: [19, 85] Generated Node #3: [19, 85] from Operation: 58+27=85 Current State: 66:[19, 85], Operations: ['72-53=19', '58+27=85'] Exploring Operation: 85-19=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[53, 72, 58, 27], Operations: [] Exploring Operation: 58-53=5, Resulting Numbers: [72, 27, 5] Generated Node #0,0: 66:[72, 27, 5] Operation: 58-53=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[72, 27, 5], Operations: ['58-53=5'] Exploring Operation: 72-5=67, Resulting Numbers: [27, 67] Generated Node #0,0,0: 66:[27, 67] Operation: 72-5=67 Moving to Node #0,0,0 Current State: 66:[27, 67], Operations: ['58-53=5', '72-5=67'] Exploring Operation: 67-27=40, Resulting Numbers: [40] 40,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 36, 66, 58, 6 ]
82
[ "66-36=30", "58-6=52", "30+52=82" ]
Current State: 82:[36, 66, 58, 6], Operations: [] Exploring Operation: 66-36=30, Resulting Numbers: [58, 6, 30] Generated Node #2: [58, 6, 30] from Operation: 66-36=30 Current State: 82:[58, 6, 30], Operations: ['66-36=30'] Exploring Operation: 58-6=52, Resulting Numbers: [30, 52] Generated Node #3: [30, 52] from Operation: 58-6=52 Current State: 82:[30, 52], Operations: ['66-36=30', '58-6=52'] Exploring Operation: 30+52=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[36, 66, 58, 6], Operations: [] Exploring Operation: 66-36=30, Resulting Numbers: [58, 6, 30] Generated Node #0,0: 82:[58, 6, 30] Operation: 66-36=30 Exploring Operation: 66/6=11, Resulting Numbers: [36, 58, 11] Generated Node #0,1: 82:[36, 58, 11] Operation: 66/6=11 Exploring Operation: 66-58=8, Resulting Numbers: [36, 6, 8] Generated Node #0,2: 82:[36, 6, 8] Operation: 66-58=8 Moving to Node #0,2 Current State: 82:[36, 6, 8], Operations: ['66-58=8'] Exploring Operation: 36+6=42, Resulting Numbers: [8, 42] Generated Node #0,2,0: 82:[8, 42] Operation: 36+6=42 Exploring Operation: 8-6=2, Resulting Numbers: [36, 2] Generated Node #0,2,1: 82:[36, 2] Operation: 8-6=2 Exploring Operation: 36+8=44, Resulting Numbers: [6, 44] Generated Node #0,2,2: 82:[6, 44] Operation: 36+8=44 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 82:[36, 2], Operations: ['66-58=8', '8-6=2'] Exploring Operation: 36-2=34, Resulting Numbers: [34] 34,82 unequal: No Solution Exploring Operation: 36+2=38, Resulting Numbers: [38] 38,82 unequal: No Solution Exploring Operation: 36*2=72, Resulting Numbers: [72] 72,82 unequal: No Solution No 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: 82:[8, 42], Operations: ['66-58=8', '36+6=42'] Exploring Operation: 8+42=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,82 unequal: No Solution Exploring Operation: 8*42=336, Resulting Numbers: [336] 336,82 unequal: No Solution No 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: 82:[6, 44], Operations: ['66-58=8', '36+8=44'] Exploring Operation: 6+44=50, Resulting Numbers: [50] 50,82 unequal: No Solution Exploring Operation: 6*44=264, Resulting Numbers: [264] 264,82 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,82 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: 82:[36, 58, 11], Operations: ['66/6=11'] Exploring Operation: 36+58=94, Resulting Numbers: [11, 94] Generated Node #0,1,0: 82:[11, 94] Operation: 36+58=94 Exploring Operation: 58-11=47, Resulting Numbers: [36, 47] Generated Node #0,1,1: 82:[36, 47] Operation: 58-11=47 Exploring Operation: 58+11=69, Resulting Numbers: [36, 69] Generated Node #0,1,2: 82:[36, 69] Operation: 58+11=69 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 82:[36, 47], Operations: ['66/6=11', '58-11=47'] Exploring Operation: 36+47=83, Resulting Numbers: [83] 83,82 unequal: No Solution Exploring Operation: 47-36=11, Resulting Numbers: [11] 11,82 unequal: No Solution Exploring Operation: 36*47=1692, Resulting Numbers: [1692] 1692,82 unequal: No Solution No 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: 82:[36, 69], Operations: ['66/6=11', '58+11=69'] Exploring Operation: 69-36=33, Resulting Numbers: [33] 33,82 unequal: No Solution Exploring Operation: 36+69=105, Resulting Numbers: [105] 105,82 unequal: No Solution Exploring Operation: 36*69=2484, Resulting Numbers: [2484] 2484,82 unequal: No Solution No 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: 82:[11, 94], Operations: ['66/6=11', '36+58=94'] Exploring Operation: 11+94=105, Resulting Numbers: [105] 105,82 unequal: No Solution Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,82 unequal: No Solution Exploring Operation: 11*94=1034, Resulting Numbers: [1034] 1034,82 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: 82:[58, 6, 30], Operations: ['66-36=30'] Exploring Operation: 30/6=5, Resulting Numbers: [58, 5] Generated Node #0,0,0: 82:[58, 5] Operation: 30/6=5 Exploring Operation: 58-30=28, Resulting Numbers: [6, 28] Generated Node #0,0,1: 82:[6, 28] Operation: 58-30=28 Exploring Operation: 58+30=88, Resulting Numbers: [6, 88] Generated Node #0,0,2: 82:[6, 88] Operation: 58+30=88 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 82:[6, 88], Operations: ['66-36=30', '58+30=88'] Exploring Operation: 6+88=94, Resulting Numbers: [94] 94,82 unequal: No Solution Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[36, 66, 58, 6], Operations: [] Exploring Operation: 66-36=30, Resulting Numbers: [58, 6, 30] Generated Node #0,0: 82:[58, 6, 30] Operation: 66-36=30 Moving to Node #0,0 Current State: 82:[58, 6, 30], Operations: ['66-36=30'] Exploring Operation: 58+30=88, Resulting Numbers: [6, 88] Generated Node #0,0,2: 82:[6, 88] Operation: 58+30=88 Moving to Node #0,0,2 Current State: 82:[6, 88], Operations: ['66-36=30', '58+30=88'] Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_3
sum_heuristic
[ 24, 36, 4, 21 ]
21
[ "24/4=6", "36-21=15", "6+15=21" ]
Current State: 21:[24, 36, 4, 21], Operations: [] Exploring Operation: 24/4=6, Resulting Numbers: [36, 21, 6] Generated Node #2: [36, 21, 6] from Operation: 24/4=6 Current State: 21:[36, 21, 6], Operations: ['24/4=6'] Exploring Operation: 36-21=15, Resulting Numbers: [6, 15] Generated Node #3: [6, 15] from Operation: 36-21=15 Current State: 21:[6, 15], Operations: ['24/4=6', '36-21=15'] Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[24, 36, 4, 21], Operations: [] Exploring Operation: 36-21=15, Resulting Numbers: [24, 4, 15] Generated Node #0,0: 21:[24, 4, 15] Operation: 36-21=15 Exploring Operation: 36/4=9, Resulting Numbers: [24, 21, 9] Generated Node #0,1: 21:[24, 21, 9] Operation: 36/4=9 Exploring Operation: 36-24=12, Resulting Numbers: [4, 21, 12] Generated Node #0,2: 21:[4, 21, 12] Operation: 36-24=12 Exploring Operation: 36-4=32, Resulting Numbers: [24, 21, 32] Generated Node #0,3: 21:[24, 21, 32] Operation: 36-4=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[24, 21, 9], Operations: ['36/4=9'] Exploring Operation: 24-9=15, Resulting Numbers: [21, 15] Generated Node #0,1,0: 21:[21, 15] Operation: 24-9=15 Exploring Operation: 24-21=3, Resulting Numbers: [9, 3] Generated Node #0,1,1: 21:[9, 3] Operation: 24-21=3 Exploring Operation: 21-9=12, Resulting Numbers: [24, 12] Generated Node #0,1,2: 21:[24, 12] Operation: 21-9=12 Exploring Operation: 24+9=33, Resulting Numbers: [21, 33] Generated Node #0,1,3: 21:[21, 33] Operation: 24+9=33 Moving to Node #0,1,1 Current State: 21:[9, 3], Operations: ['36/4=9', '24-21=3'] Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,21 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,21 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[21, 15], Operations: ['36/4=9', '24-9=15'] Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,21 unequal: No Solution Exploring Operation: 21*15=315, Resulting Numbers: [315] 315,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[24, 12], Operations: ['36/4=9', '21-9=12'] Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,21 unequal: No Solution Exploring Operation: 24*12=288, Resulting Numbers: [288] 288,21 unequal: No Solution Exploring Operation: 24+12=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,21 unequal: No Solution Moving to Node #0,1,3 Current State: 21:[21, 33], Operations: ['36/4=9', '24+9=33'] Exploring Operation: 21+33=54, Resulting Numbers: [54] 54,21 unequal: No Solution Exploring Operation: 21*33=693, Resulting Numbers: [693] 693,21 unequal: No Solution Exploring Operation: 33-21=12, Resulting Numbers: [12] 12,21 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:[4, 21, 12], Operations: ['36-24=12'] Exploring Operation: 12/4=3, Resulting Numbers: [21, 3] Generated Node #0,2,0: 21:[21, 3] Operation: 12/4=3 Exploring Operation: 4+12=16, Resulting Numbers: [21, 16] Generated Node #0,2,1: 21:[21, 16] Operation: 4+12=16 Exploring Operation: 12-4=8, Resulting Numbers: [21, 8] Generated Node #0,2,2: 21:[21, 8] Operation: 12-4=8 Exploring Operation: 21-12=9, Resulting Numbers: [4, 9] Generated Node #0,2,3: 21:[4, 9] Operation: 21-12=9 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 21:[21, 3], Operations: ['36-24=12', '12/4=3'] Exploring Operation: 21+3=24, Resulting Numbers: [24] 24,21 unequal: No Solution Exploring Operation: 21*3=63, Resulting Numbers: [63] 63,21 unequal: No Solution Exploring Operation: 21/3=7, Resulting Numbers: [7] 7,21 unequal: No Solution Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,21 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 #0,2,2 Current State: 21:[21, 8], Operations: ['36-24=12', '12-4=8'] Exploring Operation: 21*8=168, Resulting Numbers: [168] 168,21 unequal: No Solution Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,21 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,21 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 #0,2,3 Current State: 21:[4, 9], Operations: ['36-24=12', '21-12=9'] Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,21 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 #0,2,1 Current State: 21:[21, 16], Operations: ['36-24=12', '4+12=16'] Exploring Operation: 21+16=37, Resulting Numbers: [37] 37,21 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,21 unequal: No Solution Exploring Operation: 21*16=336, Resulting Numbers: [336] 336,21 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:[24, 4, 15], Operations: ['36-21=15'] Exploring Operation: 24/4=6, Resulting Numbers: [15, 6] Generated Node #0,0,0: 21:[15, 6] Operation: 24/4=6 Exploring Operation: 24-4=20, Resulting Numbers: [15, 20] Generated Node #0,0,1: 21:[15, 20] Operation: 24-4=20 Exploring Operation: 24-15=9, Resulting Numbers: [4, 9] Generated Node #0,0,2: 21:[4, 9] Operation: 24-15=9 Exploring Operation: 4+15=19, Resulting Numbers: [24, 19] Generated Node #0,0,3: 21:[24, 19] Operation: 4+15=19 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 21:[4, 9], Operations: ['36-21=15', '24-15=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,21 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,21 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:[24, 19], Operations: ['36-21=15', '4+15=19'] Exploring Operation: 24+19=43, Resulting Numbers: [43] 43,21 unequal: No Solution Exploring Operation: 24*19=456, Resulting Numbers: [456] 456,21 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,21 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:[15, 6], Operations: ['36-21=15', '24/4=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[24, 36, 4, 21], Operations: [] Exploring Operation: 36-21=15, Resulting Numbers: [24, 4, 15] Generated Node #0,0: 21:[24, 4, 15] Operation: 36-21=15 Moving to Node #0,0 Current State: 21:[24, 4, 15], Operations: ['36-21=15'] Exploring Operation: 24/4=6, Resulting Numbers: [15, 6] Generated Node #0,0,0: 21:[15, 6] Operation: 24/4=6 Moving to Node #0,0,0 Current State: 21:[15, 6], Operations: ['36-21=15', '24/4=6'] Exploring Operation: 15+6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.953125
hs_4
mult_heuristic
[ 59, 3, 35, 52 ]
90
[ "59*3=177", "35+52=87", "177-87=90" ]
Current State: 90:[59, 3, 35, 52], Operations: [] Exploring Operation: 59*3=177, Resulting Numbers: [35, 52, 177] Generated Node #2: [35, 52, 177] from Operation: 59*3=177 Current State: 90:[35, 52, 177], Operations: ['59*3=177'] Exploring Operation: 35+52=87, Resulting Numbers: [177, 87] Generated Node #3: [177, 87] from Operation: 35+52=87 Current State: 90:[177, 87], Operations: ['59*3=177', '35+52=87'] Exploring Operation: 177-87=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[59, 3, 35, 52], Operations: [] Exploring Operation: 59+35=94, Resulting Numbers: [3, 52, 94] Generated Node #0,0: 90:[3, 52, 94] Operation: 59+35=94 Exploring Operation: 59-52=7, Resulting Numbers: [3, 35, 7] Generated Node #0,1: 90:[3, 35, 7] Operation: 59-52=7 Moving to Node #0,1 Current State: 90:[3, 35, 7], Operations: ['59-52=7'] Exploring Operation: 35-7=28, Resulting Numbers: [3, 28] Generated Node #0,1,0: 90:[3, 28] Operation: 35-7=28 Exploring Operation: 35/7=5, Resulting Numbers: [3, 5] Generated Node #0,1,1: 90:[3, 5] Operation: 35/7=5 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 90:[3, 5], Operations: ['59-52=7', '35/7=5'] Exploring Operation: 3*5=15, Resulting Numbers: [15] 15,90 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[3, 28], Operations: ['59-52=7', '35-7=28'] Exploring Operation: 3+28=31, Resulting Numbers: [31] 31,90 unequal: No Solution Exploring Operation: 28-3=25, Resulting Numbers: [25] 25,90 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: 90:[3, 52, 94], Operations: ['59+35=94'] Exploring Operation: 52-3=49, Resulting Numbers: [94, 49] Generated Node #0,0,0: 90:[94, 49] Operation: 52-3=49 Exploring Operation: 94-52=42, Resulting Numbers: [3, 42] Generated Node #0,0,1: 90:[3, 42] Operation: 94-52=42 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[3, 42], Operations: ['59+35=94', '94-52=42'] Exploring Operation: 42/3=14, Resulting Numbers: [14] 14,90 unequal: No Solution Exploring Operation: 3+42=45, Resulting Numbers: [45] 45,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[94, 49], Operations: ['59+35=94', '52-3=49'] Exploring Operation: 94-49=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 94+49=143, Resulting Numbers: [143] 143,90 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
[ 89, 69, 43, 84 ]
31
[ "89+69=158", "43+84=127", "158-127=31" ]
Current State: 31:[89, 69, 43, 84], Operations: [] Exploring Operation: 89+69=158, Resulting Numbers: [43, 84, 158] Generated Node #2: [43, 84, 158] from Operation: 89+69=158 Current State: 31:[43, 84, 158], Operations: ['89+69=158'] Exploring Operation: 43+84=127, Resulting Numbers: [158, 127] Generated Node #3: [158, 127] from Operation: 43+84=127 Current State: 31:[158, 127], Operations: ['89+69=158', '43+84=127'] Exploring Operation: 158-127=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[89, 69, 43, 84], Operations: [] Exploring Operation: 89-43=46, Resulting Numbers: [69, 84, 46] Generated Node #0,0: 31:[69, 84, 46] Operation: 89-43=46 Exploring Operation: 89-69=20, Resulting Numbers: [43, 84, 20] Generated Node #0,1: 31:[43, 84, 20] Operation: 89-69=20 Exploring Operation: 89-84=5, Resulting Numbers: [69, 43, 5] Generated Node #0,2: 31:[69, 43, 5] Operation: 89-84=5 Exploring Operation: 84-69=15, Resulting Numbers: [89, 43, 15] Generated Node #0,3: 31:[89, 43, 15] Operation: 84-69=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[43, 84, 20], Operations: ['89-69=20'] Exploring Operation: 43-20=23, Resulting Numbers: [84, 23] Generated Node #0,1,0: 31:[84, 23] Operation: 43-20=23 Exploring Operation: 84-43=41, Resulting Numbers: [20, 41] Generated Node #0,1,1: 31:[20, 41] Operation: 84-43=41 Exploring Operation: 43+20=63, Resulting Numbers: [84, 63] Generated Node #0,1,2: 31:[84, 63] Operation: 43+20=63 Exploring Operation: 84-20=64, Resulting Numbers: [43, 64] Generated Node #0,1,3: 31:[43, 64] Operation: 84-20=64 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 31:[20, 41], Operations: ['89-69=20', '84-43=41'] Exploring Operation: 41-20=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 20+41=61, Resulting Numbers: [61] 61,31 unequal: No Solution Exploring Operation: 20*41=820, Resulting Numbers: [820] 820,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 31:[43, 64], Operations: ['89-69=20', '84-20=64'] Exploring Operation: 43*64=2752, Resulting Numbers: [2752] 2752,31 unequal: No Solution Exploring Operation: 43+64=107, Resulting Numbers: [107] 107,31 unequal: No Solution Exploring Operation: 64-43=21, Resulting Numbers: [21] 21,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 31:[84, 23], Operations: ['89-69=20', '43-20=23'] Exploring Operation: 84+23=107, Resulting Numbers: [107] 107,31 unequal: No Solution Exploring Operation: 84*23=1932, Resulting Numbers: [1932] 1932,31 unequal: No Solution Exploring Operation: 84-23=61, Resulting Numbers: [61] 61,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 31:[84, 63], Operations: ['89-69=20', '43+20=63'] Exploring Operation: 84+63=147, Resulting Numbers: [147] 147,31 unequal: No Solution Exploring Operation: 84-63=21, Resulting Numbers: [21] 21,31 unequal: No Solution Exploring Operation: 84*63=5292, Resulting Numbers: [5292] 5292,31 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: 31:[69, 43, 5], Operations: ['89-84=5'] Exploring Operation: 69-43=26, Resulting Numbers: [5, 26] Generated Node #0,2,0: 31:[5, 26] Operation: 69-43=26 Exploring Operation: 69-5=64, Resulting Numbers: [43, 64] Generated Node #0,2,1: 31:[43, 64] Operation: 69-5=64 Exploring Operation: 69+5=74, Resulting Numbers: [43, 74] Generated Node #0,2,2: 31:[43, 74] Operation: 69+5=74 Exploring Operation: 43-5=38, Resulting Numbers: [69, 38] Generated Node #0,2,3: 31:[69, 38] Operation: 43-5=38 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 31:[5, 26], Operations: ['89-84=5', '69-43=26'] Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,31 unequal: No Solution Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[89, 69, 43, 84], Operations: [] Exploring Operation: 89-84=5, Resulting Numbers: [69, 43, 5] Generated Node #0,2: 31:[69, 43, 5] Operation: 89-84=5 Moving to Node #0,2 Current State: 31:[69, 43, 5], Operations: ['89-84=5'] Exploring Operation: 69-43=26, Resulting Numbers: [5, 26] Generated Node #0,2,0: 31:[5, 26] Operation: 69-43=26 Moving to Node #0,2,0 Current State: 31:[5, 26], Operations: ['89-84=5', '69-43=26'] Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.973958
hs_4
mult_heuristic
[ 71, 14, 57, 38 ]
66
[ "71+14=85", "57-38=19", "85-19=66" ]
Current State: 66:[71, 14, 57, 38], Operations: [] Exploring Operation: 71+14=85, Resulting Numbers: [57, 38, 85] Generated Node #2: [57, 38, 85] from Operation: 71+14=85 Current State: 66:[57, 38, 85], Operations: ['71+14=85'] Exploring Operation: 57-38=19, Resulting Numbers: [85, 19] Generated Node #3: [85, 19] from Operation: 57-38=19 Current State: 66:[85, 19], Operations: ['71+14=85', '57-38=19'] Exploring Operation: 85-19=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[71, 14, 57, 38], Operations: [] Exploring Operation: 71-57=14, Resulting Numbers: [14, 38, 14] Generated Node #0,0: 66:[14, 38, 14] Operation: 71-57=14 Moving to Node #0,0 Current State: 66:[14, 38, 14], Operations: ['71-57=14'] Exploring Operation: 38-14=24, Resulting Numbers: [14, 24] Generated Node #0,0,0: 66:[14, 24] Operation: 38-14=24 Moving to Node #0,0,0 Current State: 66:[14, 24], Operations: ['71-57=14', '38-14=24'] Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,66 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 6, 83, 48, 8 ]
99
[ "48/6=8", "83+8=91", "8+91=99" ]
Current State: 99:[6, 83, 48, 8], Operations: [] Exploring Operation: 48/6=8, Resulting Numbers: [83, 8, 8] Generated Node #2: [83, 8, 8] from Operation: 48/6=8 Current State: 99:[83, 8, 8], Operations: ['48/6=8'] Exploring Operation: 83+8=91, Resulting Numbers: [91] 91,99 equal: Goal Reached Exploring Operation: 8+91=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[6, 83, 48, 8], Operations: [] Exploring Operation: 48/6=8, Resulting Numbers: [83, 8, 8] Generated Node #0,0: 99:[83, 8, 8] Operation: 48/6=8 Exploring Operation: 83-48=35, Resulting Numbers: [6, 8, 35] Generated Node #0,1: 99:[6, 8, 35] Operation: 83-48=35 Moving to Node #0,1 Current State: 99:[6, 8, 35], Operations: ['83-48=35'] Exploring Operation: 6+8=14, Resulting Numbers: [35, 14] Generated Node #0,1,0: 99:[35, 14] Operation: 6+8=14 Exploring Operation: 8-6=2, Resulting Numbers: [35, 2] Generated Node #0,1,1: 99:[35, 2] Operation: 8-6=2 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 99:[35, 2], Operations: ['83-48=35', '8-6=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,99 unequal: No Solution Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 99:[35, 14], Operations: ['83-48=35', '6+8=14'] Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,99 unequal: No Solution Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,99 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 99:[83, 8, 8], Operations: ['48/6=8'] Exploring Operation: 83+8=91, Resulting Numbers: [8, 91] Generated Node #0,0,0: 99:[8, 91] Operation: 83+8=91 Exploring Operation: 83+8=91, Resulting Numbers: [8, 91] Generated Node #0,0,1: 99:[8, 91] Operation: 83+8=91 Moving to Node #0,0,0 Current State: 99:[8, 91], Operations: ['48/6=8', '83+8=91'] Exploring Operation: 8+91=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[6, 83, 48, 8], Operations: [] Exploring Operation: 48/6=8, Resulting Numbers: [83, 8, 8] Generated Node #0,0: 99:[83, 8, 8] Operation: 48/6=8 Moving to Node #0,0 Current State: 99:[83, 8, 8], Operations: ['48/6=8'] Exploring Operation: 83+8=91, Resulting Numbers: [8, 91] Generated Node #0,0,0: 99:[8, 91] Operation: 83+8=91 Moving to Node #0,0,0 Current State: 99:[8, 91], Operations: ['48/6=8', '83+8=91'] Exploring Operation: 8+91=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 63, 53, 94, 4 ]
54
[ "63-53=10", "4*10=40", "94-40=54" ]
Current State: 54:[63, 53, 94, 4], Operations: [] Exploring Operation: 63-53=10, Resulting Numbers: [94, 4, 10] Generated Node #2: [94, 4, 10] from Operation: 63-53=10 Current State: 54:[94, 4, 10], Operations: ['63-53=10'] Exploring Operation: 4*10=40, Resulting Numbers: [94, 40] Generated Node #3: [94, 40] from Operation: 4*10=40 Current State: 54:[94, 40], Operations: ['63-53=10', '4*10=40'] Exploring Operation: 94-40=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[63, 53, 94, 4], Operations: [] Exploring Operation: 94-4=90, Resulting Numbers: [63, 53, 90] Generated Node #0,0: 54:[63, 53, 90] Operation: 94-4=90 Exploring Operation: 94-63=31, Resulting Numbers: [53, 4, 31] Generated Node #0,1: 54:[53, 4, 31] Operation: 94-63=31 Exploring Operation: 63-53=10, Resulting Numbers: [94, 4, 10] Generated Node #0,2: 54:[94, 4, 10] Operation: 63-53=10 Exploring Operation: 63-4=59, Resulting Numbers: [53, 94, 59] Generated Node #0,3: 54:[53, 94, 59] Operation: 63-4=59 Exploring Operation: 94-53=41, Resulting Numbers: [63, 4, 41] Generated Node #0,4: 54:[63, 4, 41] Operation: 94-53=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[53, 4, 31], Operations: ['94-63=31'] Exploring Operation: 53-31=22, Resulting Numbers: [4, 22] Generated Node #0,1,0: 54:[4, 22] Operation: 53-31=22 Exploring Operation: 31-4=27, Resulting Numbers: [53, 27] Generated Node #0,1,1: 54:[53, 27] Operation: 31-4=27 Exploring Operation: 4+31=35, Resulting Numbers: [53, 35] Generated Node #0,1,2: 54:[53, 35] Operation: 4+31=35 Exploring Operation: 53-4=49, Resulting Numbers: [31, 49] Generated Node #0,1,3: 54:[31, 49] Operation: 53-4=49 Exploring Operation: 53+4=57, Resulting Numbers: [31, 57] Generated Node #0,1,4: 54:[31, 57] Operation: 53+4=57 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[53, 27], Operations: ['94-63=31', '31-4=27'] Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,54 unequal: No Solution Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[4, 22], Operations: ['94-63=31', '53-31=22'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 54:[31, 57], Operations: ['94-63=31', '53+4=57'] Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 31+57=88, Resulting Numbers: [88] 88,54 unequal: No Solution Exploring Operation: 31*57=1767, Resulting Numbers: [1767] 1767,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[53, 35], Operations: ['94-63=31', '4+31=35'] Exploring Operation: 53*35=1855, Resulting Numbers: [1855] 1855,54 unequal: No Solution Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 53+35=88, Resulting Numbers: [88] 88,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 54:[31, 49], Operations: ['94-63=31', '53-4=49'] Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,54 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 54:[63, 4, 41], Operations: ['94-53=41'] Exploring Operation: 4+41=45, Resulting Numbers: [63, 45] Generated Node #0,4,0: 54:[63, 45] Operation: 4+41=45 Exploring Operation: 63+4=67, Resulting Numbers: [41, 67] Generated Node #0,4,1: 54:[41, 67] Operation: 63+4=67 Exploring Operation: 63-4=59, Resulting Numbers: [41, 59] Generated Node #0,4,2: 54:[41, 59] Operation: 63-4=59 Exploring Operation: 63-41=22, Resulting Numbers: [4, 22] Generated Node #0,4,3: 54:[4, 22] Operation: 63-41=22 Exploring Operation: 41-4=37, Resulting Numbers: [63, 37] Generated Node #0,4,4: 54:[63, 37] Operation: 41-4=37 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 54:[4, 22], Operations: ['94-53=41', '63-41=22'] Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 4+22=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 4*22=88, Resulting Numbers: [88] 88,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 54:[63, 45], Operations: ['94-53=41', '4+41=45'] Exploring Operation: 63+45=108, Resulting Numbers: [108] 108,54 unequal: No Solution Exploring Operation: 63*45=2835, Resulting Numbers: [2835] 2835,54 unequal: No Solution Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 54:[41, 59], Operations: ['94-53=41', '63-4=59'] Exploring Operation: 59-41=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 41+59=100, Resulting Numbers: [100] 100,54 unequal: No Solution Exploring Operation: 41*59=2419, Resulting Numbers: [2419] 2419,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 54:[63, 37], Operations: ['94-53=41', '41-4=37'] Exploring Operation: 63-37=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 63*37=2331, Resulting Numbers: [2331] 2331,54 unequal: No Solution Exploring Operation: 63+37=100, Resulting Numbers: [100] 100,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 54:[41, 67], Operations: ['94-53=41', '63+4=67'] Exploring Operation: 41+67=108, Resulting Numbers: [108] 108,54 unequal: No Solution Exploring Operation: 67-41=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 41*67=2747, Resulting Numbers: [2747] 2747,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[94, 4, 10], Operations: ['63-53=10'] Exploring Operation: 94-4=90, Resulting Numbers: [10, 90] Generated Node #0,2,0: 54:[10, 90] Operation: 94-4=90 Exploring Operation: 10-4=6, Resulting Numbers: [94, 6] Generated Node #0,2,1: 54:[94, 6] Operation: 10-4=6 Exploring Operation: 94-10=84, Resulting Numbers: [4, 84] Generated Node #0,2,2: 54:[4, 84] Operation: 94-10=84 Exploring Operation: 94+4=98, Resulting Numbers: [10, 98] Generated Node #0,2,3: 54:[10, 98] Operation: 94+4=98 Exploring Operation: 4+10=14, Resulting Numbers: [94, 14] Generated Node #0,2,4: 54:[94, 14] Operation: 4+10=14 Moving to Node #0,2,2 Current State: 54:[4, 84], Operations: ['63-53=10', '94-10=84'] Exploring Operation: 4*84=336, Resulting Numbers: [336] 336,54 unequal: No Solution Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 84/4=21, Resulting Numbers: [21] 21,54 unequal: No Solution Exploring Operation: 4+84=88, Resulting Numbers: [88] 88,54 unequal: No Solution Moving to Node #0,2,0 Current State: 54:[10, 90], Operations: ['63-53=10', '94-4=90'] Exploring Operation: 10*90=900, Resulting Numbers: [900] 900,54 unequal: No Solution Exploring Operation: 10+90=100, Resulting Numbers: [100] 100,54 unequal: No Solution Exploring Operation: 90-10=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 90/10=9, Resulting Numbers: [9] 9,54 unequal: No Solution Moving to Node #0,2,1 Current State: 54:[94, 6], Operations: ['63-53=10', '10-4=6'] Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,54 unequal: No Solution Exploring Operation: 94*6=564, Resulting Numbers: [564] 564,54 unequal: No Solution Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,54 unequal: No Solution Moving to Node #0,2,4 Current State: 54:[94, 14], Operations: ['63-53=10', '4+10=14'] Exploring Operation: 94+14=108, Resulting Numbers: [108] 108,54 unequal: No Solution Exploring Operation: 94*14=1316, Resulting Numbers: [1316] 1316,54 unequal: No Solution Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,54 unequal: No Solution Moving to Node #0,2,3 Current State: 54:[10, 98], Operations: ['63-53=10', '94+4=98'] Exploring Operation: 98-10=88, Resulting Numbers: [88] 88,54 unequal: No Solution Exploring Operation: 10+98=108, Resulting Numbers: [108] 108,54 unequal: No Solution Exploring Operation: 10*98=980, Resulting Numbers: [980] 980,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[63, 53, 90], Operations: ['94-4=90'] Exploring Operation: 63-53=10, Resulting Numbers: [90, 10] Generated Node #0,0,0: 54:[90, 10] Operation: 63-53=10 Exploring Operation: 63+53=116, Resulting Numbers: [90, 116] Generated Node #0,0,1: 54:[90, 116] Operation: 63+53=116 Exploring Operation: 53+90=143, Resulting Numbers: [63, 143] Generated Node #0,0,2: 54:[63, 143] Operation: 53+90=143 Exploring Operation: 90-53=37, Resulting Numbers: [63, 37] Generated Node #0,0,3: 54:[63, 37] Operation: 90-53=37 Exploring Operation: 90-63=27, Resulting Numbers: [53, 27] Generated Node #0,0,4: 54:[53, 27] Operation: 90-63=27 Moving to Node #0,0,4 Current State: 54:[53, 27], Operations: ['94-4=90', '90-63=27'] Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,54 unequal: No Solution Moving to Node #0,0,3 Current State: 54:[63, 37], Operations: ['94-4=90', '90-53=37'] Exploring Operation: 63-37=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 63+37=100, Resulting Numbers: [100] 100,54 unequal: No Solution Exploring Operation: 63*37=2331, Resulting Numbers: [2331] 2331,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[90, 10], Operations: ['94-4=90', '63-53=10'] Exploring Operation: 90+10=100, Resulting Numbers: [100] 100,54 unequal: No Solution Exploring Operation: 90/10=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 90-10=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 90*10=900, Resulting Numbers: [900] 900,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[90, 116], Operations: ['94-4=90', '63+53=116'] Exploring Operation: 116-90=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 90+116=206, Resulting Numbers: [206] 206,54 unequal: No Solution Exploring Operation: 90*116=10440, Resulting Numbers: [10440] 10440,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[63, 143], Operations: ['94-4=90', '53+90=143'] Exploring Operation: 63*143=9009, Resulting Numbers: [9009] 9009,54 unequal: No Solution Exploring Operation: 143-63=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 63+143=206, Resulting Numbers: [206] 206,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[53, 94, 59], Operations: ['63-4=59'] Exploring Operation: 94-59=35, Resulting Numbers: [53, 35] Generated Node #0,3,0: 54:[53, 35] Operation: 94-59=35 Exploring Operation: 59-53=6, Resulting Numbers: [94, 6] Generated Node #0,3,1: 54:[94, 6] Operation: 59-53=6 Exploring Operation: 53+94=147, Resulting Numbers: [59, 147] Generated Node #0,3,2: 54:[59, 147] Operation: 53+94=147 Exploring Operation: 53+59=112, Resulting Numbers: [94, 112] Generated Node #0,3,3: 54:[94, 112] Operation: 53+59=112 Exploring Operation: 94-53=41, Resulting Numbers: [59, 41] Generated Node #0,3,4: 54:[59, 41] Operation: 94-53=41 Moving to Node #0,3,0 Current State: 54:[53, 35], Operations: ['63-4=59', '94-59=35'] Exploring Operation: 53*35=1855, Resulting Numbers: [1855] 1855,54 unequal: No Solution Exploring Operation: 53-35=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 53+35=88, Resulting Numbers: [88] 88,54 unequal: No Solution Moving to Node #0,3,4 Current State: 54:[59, 41], Operations: ['63-4=59', '94-53=41'] Exploring Operation: 59+41=100, Resulting Numbers: [100] 100,54 unequal: No Solution Exploring Operation: 59*41=2419, Resulting Numbers: [2419] 2419,54 unequal: No Solution Exploring Operation: 59-41=18, Resulting Numbers: [18] 18,54 unequal: No Solution Moving to Node #0,3,1 Current State: 54:[94, 6], Operations: ['63-4=59', '59-53=6'] Exploring Operation: 94*6=564, Resulting Numbers: [564] 564,54 unequal: No Solution Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,54 unequal: No Solution Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,54 unequal: No Solution Moving to Node #0,3,2 Current State: 54:[59, 147], Operations: ['63-4=59', '53+94=147'] Exploring Operation: 59+147=206, Resulting Numbers: [206] 206,54 unequal: No Solution Exploring Operation: 59*147=8673, Resulting Numbers: [8673] 8673,54 unequal: No Solution Exploring Operation: 147-59=88, Resulting Numbers: [88] 88,54 unequal: No Solution Moving to Node #0,3,3 Current State: 54:[94, 112], Operations: ['63-4=59', '53+59=112'] Exploring Operation: 94*112=10528, Resulting Numbers: [10528] 10528,54 unequal: No Solution Exploring Operation: 94+112=206, Resulting Numbers: [206] 206,54 unequal: No Solution Exploring Operation: 112-94=18, Resulting Numbers: [18] 18,54 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
[ 53, 23, 4, 22 ]
94
[ "53+23=76", "22-4=18", "76+18=94" ]
Current State: 94:[53, 23, 4, 22], Operations: [] Exploring Operation: 53+23=76, Resulting Numbers: [4, 22, 76] Generated Node #2: [4, 22, 76] from Operation: 53+23=76 Current State: 94:[4, 22, 76], Operations: ['53+23=76'] Exploring Operation: 22-4=18, Resulting Numbers: [76, 18] Generated Node #3: [76, 18] from Operation: 22-4=18 Current State: 94:[76, 18], Operations: ['53+23=76', '22-4=18'] Exploring Operation: 76+18=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[53, 23, 4, 22], Operations: [] Exploring Operation: 23*4=92, Resulting Numbers: [53, 22, 92] Generated Node #0,0: 94:[53, 22, 92] Operation: 23*4=92 Exploring Operation: 23+22=45, Resulting Numbers: [53, 4, 45] Generated Node #0,1: 94:[53, 4, 45] Operation: 23+22=45 Exploring Operation: 53-23=30, Resulting Numbers: [4, 22, 30] Generated Node #0,2: 94:[4, 22, 30] Operation: 53-23=30 Exploring Operation: 4*22=88, Resulting Numbers: [53, 23, 88] Generated Node #0,3: 94:[53, 23, 88] Operation: 4*22=88 Exploring Operation: 23-22=1, Resulting Numbers: [53, 4, 1] Generated Node #0,4: 94:[53, 4, 1] Operation: 23-22=1 Moving to Node #0,4 Current State: 94:[53, 4, 1], Operations: ['23-22=1'] Exploring Operation: 53-4=49, Resulting Numbers: [1, 49] Generated Node #0,4,0: 94:[1, 49] Operation: 53-4=49 Exploring Operation: 4-1=3, Resulting Numbers: [53, 3] Generated Node #0,4,1: 94:[53, 3] Operation: 4-1=3 Exploring Operation: 53/1=53, Resulting Numbers: [4, 53] Generated Node #0,4,2: 94:[4, 53] Operation: 53/1=53 Exploring Operation: 53*1=53, Resulting Numbers: [4, 53] Generated Node #0,4,3: 94:[4, 53] Operation: 53*1=53 Exploring Operation: 53-1=52, Resulting Numbers: [4, 52] Generated Node #0,4,4: 94:[4, 52] Operation: 53-1=52 Moving to Node #0,1 Current State: 94:[53, 4, 45], Operations: ['23+22=45'] Exploring Operation: 4+45=49, Resulting Numbers: [53, 49] Generated Node #0,1,0: 94:[53, 49] Operation: 4+45=49 Exploring Operation: 53+4=57, Resulting Numbers: [45, 57] Generated Node #0,1,1: 94:[45, 57] Operation: 53+4=57 Exploring Operation: 53-45=8, Resulting Numbers: [4, 8] Generated Node #0,1,2: 94:[4, 8] Operation: 53-45=8 Exploring Operation: 53-4=49, Resulting Numbers: [45, 49] Generated Node #0,1,3: 94:[45, 49] Operation: 53-4=49 Exploring Operation: 53+45=98, Resulting Numbers: [4, 98] Generated Node #0,1,4: 94:[4, 98] Operation: 53+45=98 Moving to Node #0,0 Current State: 94:[53, 22, 92], Operations: ['23*4=92'] Exploring Operation: 92-53=39, Resulting Numbers: [22, 39] Generated Node #0,0,0: 94:[22, 39] Operation: 92-53=39 Exploring Operation: 53-22=31, Resulting Numbers: [92, 31] Generated Node #0,0,1: 94:[92, 31] Operation: 53-22=31 Exploring Operation: 92-22=70, Resulting Numbers: [53, 70] Generated Node #0,0,2: 94:[53, 70] Operation: 92-22=70 Exploring Operation: 22+92=114, Resulting Numbers: [53, 114] Generated Node #0,0,3: 94:[53, 114] Operation: 22+92=114 Exploring Operation: 53+22=75, Resulting Numbers: [92, 75] Generated Node #0,0,4: 94:[92, 75] Operation: 53+22=75 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[92, 31], Operations: ['23*4=92', '53-22=31'] Exploring Operation: 92-31=61, Resulting Numbers: [61] 61,94 unequal: No Solution Exploring Operation: 92*31=2852, Resulting Numbers: [2852] 2852,94 unequal: No Solution Exploring Operation: 92+31=123, Resulting Numbers: [123] 123,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 94:[92, 75], Operations: ['23*4=92', '53+22=75'] Exploring Operation: 92-75=17, Resulting Numbers: [17] 17,94 unequal: No Solution Exploring Operation: 92+75=167, Resulting Numbers: [167] 167,94 unequal: No Solution Exploring Operation: 92*75=6900, Resulting Numbers: [6900] 6900,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 94:[53, 114], Operations: ['23*4=92', '22+92=114'] Exploring Operation: 53+114=167, Resulting Numbers: [167] 167,94 unequal: No Solution Exploring Operation: 114-53=61, Resulting Numbers: [61] 61,94 unequal: No Solution Exploring Operation: 53*114=6042, Resulting Numbers: [6042] 6042,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[22, 39], Operations: ['23*4=92', '92-53=39'] Exploring Operation: 22+39=61, Resulting Numbers: [61] 61,94 unequal: No Solution Exploring Operation: 39-22=17, Resulting Numbers: [17] 17,94 unequal: No Solution Exploring Operation: 22*39=858, Resulting Numbers: [858] 858,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 94:[53, 70], Operations: ['23*4=92', '92-22=70'] Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,94 unequal: No Solution Exploring Operation: 53*70=3710, Resulting Numbers: [3710] 3710,94 unequal: No Solution Exploring Operation: 53+70=123, Resulting Numbers: [123] 123,94 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: 94:[53, 23, 88], Operations: ['4*22=88'] Exploring Operation: 23+88=111, Resulting Numbers: [53, 111] Generated Node #0,3,0: 94:[53, 111] Operation: 23+88=111 Exploring Operation: 88-53=35, Resulting Numbers: [23, 35] Generated Node #0,3,1: 94:[23, 35] Operation: 88-53=35 Exploring Operation: 88-23=65, Resulting Numbers: [53, 65] Generated Node #0,3,2: 94:[53, 65] Operation: 88-23=65 Exploring Operation: 53+23=76, Resulting Numbers: [88, 76] Generated Node #0,3,3: 94:[88, 76] Operation: 53+23=76 Exploring Operation: 53-23=30, Resulting Numbers: [88, 30] Generated Node #0,3,4: 94:[88, 30] Operation: 53-23=30 Moving to Node #0,2 Current State: 94:[4, 22, 30], Operations: ['53-23=30'] Exploring Operation: 30-22=8, Resulting Numbers: [4, 8] Generated Node #0,2,0: 94:[4, 8] Operation: 30-22=8 Exploring Operation: 22+30=52, Resulting Numbers: [4, 52] Generated Node #0,2,1: 94:[4, 52] Operation: 22+30=52 Exploring Operation: 22-4=18, Resulting Numbers: [30, 18] Generated Node #0,2,2: 94:[30, 18] Operation: 22-4=18 Exploring Operation: 4+30=34, Resulting Numbers: [22, 34] Generated Node #0,2,3: 94:[22, 34] Operation: 4+30=34 Exploring Operation: 4*22=88, Resulting Numbers: [30, 88] Generated Node #0,2,4: 94:[30, 88] Operation: 4*22=88 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[4, 52], Operations: ['53-23=30', '22+30=52'] Exploring Operation: 4+52=56, Resulting Numbers: [56] 56,94 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,94 unequal: No Solution Exploring Operation: 4*52=208, Resulting Numbers: [208] 208,94 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 94:[4, 8], Operations: ['53-23=30', '30-22=8'] Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,94 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 4*8=32, Resulting Numbers: [32] 32,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 94:[30, 88], Operations: ['53-23=30', '4*22=88'] Exploring Operation: 30+88=118, Resulting Numbers: [118] 118,94 unequal: No Solution Exploring Operation: 88-30=58, Resulting Numbers: [58] 58,94 unequal: No Solution Exploring Operation: 30*88=2640, Resulting Numbers: [2640] 2640,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 94:[30, 18], Operations: ['53-23=30', '22-4=18'] Exploring Operation: 30*18=540, Resulting Numbers: [540] 540,94 unequal: No Solution Exploring Operation: 30+18=48, Resulting Numbers: [48] 48,94 unequal: No Solution Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 94:[22, 34], Operations: ['53-23=30', '4+30=34'] Exploring Operation: 34-22=12, Resulting Numbers: [12] 12,94 unequal: No Solution Exploring Operation: 22+34=56, Resulting Numbers: [56] 56,94 unequal: No Solution Exploring Operation: 22*34=748, Resulting Numbers: [748] 748,94 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: 94:[1, 49], Operations: ['23-22=1', '53-4=49'] Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 1*49=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 1+49=50, Resulting Numbers: [50] 50,94 unequal: No Solution Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,94 unequal: No Solution Moving to Node #0,1,3 Current State: 94:[45, 49], Operations: ['23+22=45', '53-4=49'] Exploring Operation: 45*49=2205, Resulting Numbers: [2205] 2205,94 unequal: No Solution Exploring Operation: 49-45=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 45+49=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[53, 23, 4, 22], Operations: [] Exploring Operation: 23+22=45, Resulting Numbers: [53, 4, 45] Generated Node #0,1: 94:[53, 4, 45] Operation: 23+22=45 Moving to Node #0,1 Current State: 94:[53, 4, 45], Operations: ['23+22=45'] Exploring Operation: 53-4=49, Resulting Numbers: [45, 49] Generated Node #0,1,3: 94:[45, 49] Operation: 53-4=49 Moving to Node #0,1,3 Current State: 94:[45, 49], Operations: ['23+22=45', '53-4=49'] Exploring Operation: 45+49=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.936632
hs_5
mult_heuristic
[ 79, 20, 64, 21 ]
16
[ "79-20=59", "64-21=43", "59-43=16" ]
Current State: 16:[79, 20, 64, 21], Operations: [] Exploring Operation: 79-20=59, Resulting Numbers: [64, 21, 59] Generated Node #2: [64, 21, 59] from Operation: 79-20=59 Current State: 16:[64, 21, 59], Operations: ['79-20=59'] Exploring Operation: 64-21=43, Resulting Numbers: [59, 43] Generated Node #3: [59, 43] from Operation: 64-21=43 Current State: 16:[59, 43], Operations: ['79-20=59', '64-21=43'] Exploring Operation: 59-43=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[79, 20, 64, 21], Operations: [] Exploring Operation: 79-21=58, Resulting Numbers: [20, 64, 58] Generated Node #0,0: 16:[20, 64, 58] Operation: 79-21=58 Exploring Operation: 79-64=15, Resulting Numbers: [20, 21, 15] Generated Node #0,1: 16:[20, 21, 15] Operation: 79-64=15 Exploring Operation: 64-21=43, Resulting Numbers: [79, 20, 43] Generated Node #0,2: 16:[79, 20, 43] Operation: 64-21=43 Exploring Operation: 79-20=59, Resulting Numbers: [64, 21, 59] Generated Node #0,3: 16:[64, 21, 59] Operation: 79-20=59 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[20, 21, 15], Operations: ['79-64=15'] Exploring Operation: 21-20=1, Resulting Numbers: [15, 1] Generated Node #0,1,0: 16:[15, 1] Operation: 21-20=1 Exploring Operation: 21-15=6, Resulting Numbers: [20, 6] Generated Node #0,1,1: 16:[20, 6] Operation: 21-15=6 Exploring Operation: 20-15=5, Resulting Numbers: [21, 5] Generated Node #0,1,2: 16:[21, 5] Operation: 20-15=5 Exploring Operation: 20+15=35, Resulting Numbers: [21, 35] Generated Node #0,1,3: 16:[21, 35] Operation: 20+15=35 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 16:[15, 1], Operations: ['79-64=15', '21-20=1'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 15/1=15, Resulting Numbers: [15] 15,16 unequal: No Solution Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[79, 20, 64, 21], Operations: [] Exploring Operation: 79-64=15, Resulting Numbers: [20, 21, 15] Generated Node #0,1: 16:[20, 21, 15] Operation: 79-64=15 Moving to Node #0,1 Current State: 16:[20, 21, 15], Operations: ['79-64=15'] Exploring Operation: 21-20=1, Resulting Numbers: [15, 1] Generated Node #0,1,0: 16:[15, 1] Operation: 21-20=1 Moving to Node #0,1,0 Current State: 16:[15, 1], Operations: ['79-64=15', '21-20=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 72, 51, 6, 32 ]
59
[ "72-51=21", "6+32=38", "21+38=59" ]
Current State: 59:[72, 51, 6, 32], Operations: [] Exploring Operation: 72-51=21, Resulting Numbers: [6, 32, 21] Generated Node #2: [6, 32, 21] from Operation: 72-51=21 Current State: 59:[6, 32, 21], Operations: ['72-51=21'] Exploring Operation: 6+32=38, Resulting Numbers: [21, 38] Generated Node #3: [21, 38] from Operation: 6+32=38 Current State: 59:[21, 38], Operations: ['72-51=21', '6+32=38'] Exploring Operation: 21+38=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[72, 51, 6, 32], Operations: [] Exploring Operation: 51+6=57, Resulting Numbers: [72, 32, 57] Generated Node #0,0: 59:[72, 32, 57] Operation: 51+6=57 Exploring Operation: 72-6=66, Resulting Numbers: [51, 32, 66] Generated Node #0,1: 59:[51, 32, 66] Operation: 72-6=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[72, 32, 57], Operations: ['51+6=57'] Exploring Operation: 32+57=89, Resulting Numbers: [72, 89] Generated Node #0,0,0: 59:[72, 89] Operation: 32+57=89 Exploring Operation: 72-32=40, Resulting Numbers: [57, 40] Generated Node #0,0,1: 59:[57, 40] Operation: 72-32=40 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 59:[57, 40], Operations: ['51+6=57', '72-32=40'] Exploring Operation: 57+40=97, Resulting Numbers: [97] 97,59 unequal: No Solution Exploring Operation: 57-40=17, Resulting Numbers: [17] 17,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 59:[72, 89], Operations: ['51+6=57', '32+57=89'] Exploring Operation: 72+89=161, Resulting Numbers: [161] 161,59 unequal: No Solution Exploring Operation: 89-72=17, Resulting Numbers: [17] 17,59 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: 59:[51, 32, 66], Operations: ['72-6=66'] Exploring Operation: 51+32=83, Resulting Numbers: [66, 83] Generated Node #0,1,0: 59:[66, 83] Operation: 51+32=83 Exploring Operation: 66-32=34, Resulting Numbers: [51, 34] Generated Node #0,1,1: 59:[51, 34] Operation: 66-32=34 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[66, 83], Operations: ['72-6=66', '51+32=83'] Exploring Operation: 83-66=17, Resulting Numbers: [17] 17,59 unequal: No Solution Exploring Operation: 66+83=149, Resulting Numbers: [149] 149,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 59:[51, 34], Operations: ['72-6=66', '66-32=34'] Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,59 unequal: No Solution Exploring Operation: 51+34=85, Resulting Numbers: [85] 85,59 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
[ 23, 32, 52, 2 ]
86
[ "32-23=9", "52-9=43", "2*43=86" ]
Current State: 86:[23, 32, 52, 2], Operations: [] Exploring Operation: 32-23=9, Resulting Numbers: [52, 2, 9] Generated Node #2: [52, 2, 9] from Operation: 32-23=9 Current State: 86:[52, 2, 9], Operations: ['32-23=9'] Exploring Operation: 52-9=43, Resulting Numbers: [2, 43] Generated Node #3: [2, 43] from Operation: 52-9=43 Current State: 86:[2, 43], Operations: ['32-23=9', '52-9=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[23, 32, 52, 2], Operations: [] Exploring Operation: 23*2=46, Resulting Numbers: [32, 52, 46] Generated Node #0,0: 86:[32, 52, 46] Operation: 23*2=46 Exploring Operation: 32-23=9, Resulting Numbers: [52, 2, 9] Generated Node #0,1: 86:[52, 2, 9] Operation: 32-23=9 Exploring Operation: 32+52=84, Resulting Numbers: [23, 2, 84] Generated Node #0,2: 86:[23, 2, 84] Operation: 32+52=84 Exploring Operation: 23+52=75, Resulting Numbers: [32, 2, 75] Generated Node #0,3: 86:[32, 2, 75] Operation: 23+52=75 Exploring Operation: 23+32=55, Resulting Numbers: [52, 2, 55] Generated Node #0,4: 86:[52, 2, 55] Operation: 23+32=55 Start Sub Search at level 1: Moving to Node #0,1 Current State: 86:[52, 2, 9], Operations: ['32-23=9'] Exploring Operation: 52-2=50, Resulting Numbers: [9, 50] Generated Node #0,1,0: 86:[9, 50] Operation: 52-2=50 Exploring Operation: 52+2=54, Resulting Numbers: [9, 54] Generated Node #0,1,1: 86:[9, 54] Operation: 52+2=54 Exploring Operation: 52-9=43, Resulting Numbers: [2, 43] Generated Node #0,1,2: 86:[2, 43] Operation: 52-9=43 Exploring Operation: 52+9=61, Resulting Numbers: [2, 61] Generated Node #0,1,3: 86:[2, 61] Operation: 52+9=61 Exploring Operation: 9-2=7, Resulting Numbers: [52, 7] Generated Node #0,1,4: 86:[52, 7] Operation: 9-2=7 Moving to Node #0,1,2 Current State: 86:[2, 43], Operations: ['32-23=9', '52-9=43'] Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,86 unequal: No Solution Exploring Operation: 2+43=45, Resulting Numbers: [45] 45,86 unequal: No Solution Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[23, 32, 52, 2], Operations: [] Exploring Operation: 32-23=9, Resulting Numbers: [52, 2, 9] Generated Node #0,1: 86:[52, 2, 9] Operation: 32-23=9 Moving to Node #0,1 Current State: 86:[52, 2, 9], Operations: ['32-23=9'] Exploring Operation: 52-9=43, Resulting Numbers: [2, 43] Generated Node #0,1,2: 86:[2, 43] Operation: 52-9=43 Moving to Node #0,1,2 Current State: 86:[2, 43], Operations: ['32-23=9', '52-9=43'] Exploring Operation: 2*43=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
mult_heuristic
[ 13, 59, 68, 4 ]
16
[ "13+59=72", "72-68=4", "4*4=16" ]
Current State: 16:[13, 59, 68, 4], Operations: [] Exploring Operation: 13+59=72, Resulting Numbers: [68, 4, 72] Generated Node #2: [68, 4, 72] from Operation: 13+59=72 Current State: 16:[68, 4, 72], Operations: ['13+59=72'] Exploring Operation: 72-68=4, Resulting Numbers: [4, 4] Generated Node #3: [4, 4] from Operation: 72-68=4 Current State: 16:[4, 4], Operations: ['13+59=72', '72-68=4'] Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[13, 59, 68, 4], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [13, 59, 17] Generated Node #0,0: 16:[13, 59, 17] Operation: 68/4=17 Exploring Operation: 68-59=9, Resulting Numbers: [13, 4, 9] Generated Node #0,1: 16:[13, 4, 9] Operation: 68-59=9 Exploring Operation: 59-13=46, Resulting Numbers: [68, 4, 46] Generated Node #0,2: 16:[68, 4, 46] Operation: 59-13=46 Moving to Node #0,1 Current State: 16:[13, 4, 9], Operations: ['68-59=9'] Exploring Operation: 13+4=17, Resulting Numbers: [9, 17] Generated Node #0,1,0: 16:[9, 17] Operation: 13+4=17 Exploring Operation: 13-4=9, Resulting Numbers: [9, 9] Generated Node #0,1,1: 16:[9, 9] Operation: 13-4=9 Exploring Operation: 13-9=4, Resulting Numbers: [4, 4] Generated Node #0,1,2: 16:[4, 4] Operation: 13-9=4 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 16:[4, 4], Operations: ['68-59=9', '13-9=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[13, 59, 68, 4], Operations: [] Exploring Operation: 68-59=9, Resulting Numbers: [13, 4, 9] Generated Node #0,1: 16:[13, 4, 9] Operation: 68-59=9 Moving to Node #0,1 Current State: 16:[13, 4, 9], Operations: ['68-59=9'] Exploring Operation: 13-9=4, Resulting Numbers: [4, 4] Generated Node #0,1,2: 16:[4, 4] Operation: 13-9=4 Moving to Node #0,1,2 Current State: 16:[4, 4], Operations: ['68-59=9', '13-9=4'] Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 42, 46, 46, 96 ]
49
[ "42+96=138", "138/46=3", "46+3=49" ]
Current State: 49:[42, 46, 46, 96], Operations: [] Exploring Operation: 42+96=138, Resulting Numbers: [46, 46, 138] Generated Node #2: [46, 46, 138] from Operation: 42+96=138 Current State: 49:[46, 46, 138], Operations: ['42+96=138'] Exploring Operation: 138/46=3, Resulting Numbers: [3] 3,49 equal: Goal Reached Exploring Operation: 46+3=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[42, 46, 46, 96], Operations: [] Exploring Operation: 96-42=54, Resulting Numbers: [46, 46, 54] Generated Node #0,0: 49:[46, 46, 54] Operation: 96-42=54 Moving to Node #0,0 Current State: 49:[46, 46, 54], Operations: ['96-42=54'] Exploring Operation: 54-46=8, Resulting Numbers: [46, 8] Generated Node #0,0,0: 49:[46, 8] Operation: 54-46=8 Moving to Node #0,0,0 Current State: 49:[46, 8], Operations: ['96-42=54', '54-46=8'] Exploring Operation: 46+8=54, Resulting Numbers: [54] 54,49 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 50, 22, 86, 6 ]
20
[ "50+22=72", "86+6=92", "92-72=20" ]
Current State: 20:[50, 22, 86, 6], Operations: [] Exploring Operation: 50+22=72, Resulting Numbers: [86, 6, 72] Generated Node #2: [86, 6, 72] from Operation: 50+22=72 Current State: 20:[86, 6, 72], Operations: ['50+22=72'] Exploring Operation: 86+6=92, Resulting Numbers: [72, 92] Generated Node #3: [72, 92] from Operation: 86+6=92 Current State: 20:[72, 92], Operations: ['50+22=72', '86+6=92'] Exploring Operation: 92-72=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[50, 22, 86, 6], Operations: [] Exploring Operation: 86-50=36, Resulting Numbers: [22, 6, 36] Generated Node #0,0: 20:[22, 6, 36] Operation: 86-50=36 Exploring Operation: 50-22=28, Resulting Numbers: [86, 6, 28] Generated Node #0,1: 20:[86, 6, 28] Operation: 50-22=28 Moving to Node #0,0 Current State: 20:[22, 6, 36], Operations: ['86-50=36'] Exploring Operation: 36/6=6, Resulting Numbers: [22, 6] Generated Node #0,0,0: 20:[22, 6] Operation: 36/6=6 Exploring Operation: 36-22=14, Resulting Numbers: [6, 14] Generated Node #0,0,1: 20:[6, 14] Operation: 36-22=14 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[22, 6], Operations: ['86-50=36', '36/6=6'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,20 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,20 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:[6, 14], Operations: ['86-50=36', '36-22=14'] Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,20 unequal: No Solution Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[50, 22, 86, 6], Operations: [] Exploring Operation: 86-50=36, Resulting Numbers: [22, 6, 36] Generated Node #0,0: 20:[22, 6, 36] Operation: 86-50=36 Moving to Node #0,0 Current State: 20:[22, 6, 36], Operations: ['86-50=36'] Exploring Operation: 36-22=14, Resulting Numbers: [6, 14] Generated Node #0,0,1: 20:[6, 14] Operation: 36-22=14 Moving to Node #0,0,1 Current State: 20:[6, 14], Operations: ['86-50=36', '36-22=14'] Exploring Operation: 6+14=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
sum_heuristic
[ 82, 16, 36, 6 ]
47
[ "82-16=66", "66/6=11", "36+11=47" ]
Current State: 47:[82, 16, 36, 6], Operations: [] Exploring Operation: 82-16=66, Resulting Numbers: [36, 6, 66] Generated Node #2: [36, 6, 66] from Operation: 82-16=66 Current State: 47:[36, 6, 66], Operations: ['82-16=66'] Exploring Operation: 66/6=11, Resulting Numbers: [36, 11] Generated Node #3: [36, 11] from Operation: 66/6=11 Current State: 47:[36, 11], Operations: ['82-16=66', '66/6=11'] Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[82, 16, 36, 6], Operations: [] Exploring Operation: 82-6=76, Resulting Numbers: [16, 36, 76] Generated Node #0,0: 47:[16, 36, 76] Operation: 82-6=76 Exploring Operation: 16+6=22, Resulting Numbers: [82, 36, 22] Generated Node #0,1: 47:[82, 36, 22] Operation: 16+6=22 Exploring Operation: 82-16=66, Resulting Numbers: [36, 6, 66] Generated Node #0,2: 47:[36, 6, 66] Operation: 82-16=66 Moving to Node #0,0 Current State: 47:[16, 36, 76], Operations: ['82-6=76'] Exploring Operation: 76-16=60, Resulting Numbers: [36, 60] Generated Node #0,0,0: 47:[36, 60] Operation: 76-16=60 Exploring Operation: 76-36=40, Resulting Numbers: [16, 40] Generated Node #0,0,1: 47:[16, 40] Operation: 76-36=40 Exploring Operation: 16+36=52, Resulting Numbers: [76, 52] Generated Node #0,0,2: 47:[76, 52] Operation: 16+36=52 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[36, 60], Operations: ['82-6=76', '76-16=60'] Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 36+60=96, Resulting Numbers: [96] 96,47 unequal: No Solution Exploring Operation: 36*60=2160, Resulting Numbers: [2160] 2160,47 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:[76, 52], Operations: ['82-6=76', '16+36=52'] Exploring Operation: 76-52=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 76*52=3952, Resulting Numbers: [3952] 3952,47 unequal: No Solution Exploring Operation: 76+52=128, Resulting Numbers: [128] 128,47 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 #0,0,1 Current State: 47:[16, 40], Operations: ['82-6=76', '76-36=40'] Exploring Operation: 40-16=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 16+40=56, Resulting Numbers: [56] 56,47 unequal: No Solution Exploring Operation: 16*40=640, Resulting Numbers: [640] 640,47 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: 47:[82, 36, 22], Operations: ['16+6=22'] Exploring Operation: 36+22=58, Resulting Numbers: [82, 58] Generated Node #0,1,0: 47:[82, 58] Operation: 36+22=58 Exploring Operation: 82-36=46, Resulting Numbers: [22, 46] Generated Node #0,1,1: 47:[22, 46] Operation: 82-36=46 Exploring Operation: 82-22=60, Resulting Numbers: [36, 60] Generated Node #0,1,2: 47:[36, 60] Operation: 82-22=60 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[36, 60], Operations: ['16+6=22', '82-22=60'] Exploring Operation: 36+60=96, Resulting Numbers: [96] 96,47 unequal: No Solution Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 36*60=2160, Resulting Numbers: [2160] 2160,47 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 #0,1,1 Current State: 47:[22, 46], Operations: ['16+6=22', '82-36=46'] Exploring Operation: 22*46=1012, Resulting Numbers: [1012] 1012,47 unequal: No Solution Exploring Operation: 22+46=68, Resulting Numbers: [68] 68,47 unequal: No Solution Exploring Operation: 46-22=24, Resulting Numbers: [24] 24,47 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 #0,1,0 Current State: 47:[82, 58], Operations: ['16+6=22', '36+22=58'] Exploring Operation: 82-58=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 82+58=140, Resulting Numbers: [140] 140,47 unequal: No Solution Exploring Operation: 82*58=4756, Resulting Numbers: [4756] 4756,47 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:[36, 6, 66], Operations: ['82-16=66'] Exploring Operation: 66-6=60, Resulting Numbers: [36, 60] Generated Node #0,2,0: 47:[36, 60] Operation: 66-6=60 Exploring Operation: 36+6=42, Resulting Numbers: [66, 42] Generated Node #0,2,1: 47:[66, 42] Operation: 36+6=42 Exploring Operation: 36-6=30, Resulting Numbers: [66, 30] Generated Node #0,2,2: 47:[66, 30] Operation: 36-6=30 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[36, 60], Operations: ['82-16=66', '66-6=60'] Exploring Operation: 36+60=96, Resulting Numbers: [96] 96,47 unequal: No Solution Exploring Operation: 60-36=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 36*60=2160, Resulting Numbers: [2160] 2160,47 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 #0,2,1 Current State: 47:[66, 42], Operations: ['82-16=66', '36+6=42'] Exploring Operation: 66-42=24, Resulting Numbers: [24] 24,47 unequal: No Solution Exploring Operation: 66*42=2772, Resulting Numbers: [2772] 2772,47 unequal: No Solution Exploring Operation: 66+42=108, Resulting Numbers: [108] 108,47 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 #0,2,2 Current State: 47:[66, 30], Operations: ['82-16=66', '36-6=30'] Exploring Operation: 66*30=1980, Resulting Numbers: [1980] 1980,47 unequal: No Solution Exploring Operation: 66-30=36, Resulting Numbers: [36] 36,47 unequal: No Solution Exploring Operation: 66+30=96, Resulting Numbers: [96] 96,47 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
[ 51, 2, 15, 1 ]
12
[ "51-15=36", "2+1=3", "36/3=12" ]
Current State: 12:[51, 2, 15, 1], Operations: [] Exploring Operation: 51-15=36, Resulting Numbers: [2, 1, 36] Generated Node #2: [2, 1, 36] from Operation: 51-15=36 Current State: 12:[2, 1, 36], Operations: ['51-15=36'] Exploring Operation: 2+1=3, Resulting Numbers: [36, 3] Generated Node #3: [36, 3] from Operation: 2+1=3 Current State: 12:[36, 3], Operations: ['51-15=36', '2+1=3'] Exploring Operation: 36/3=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[51, 2, 15, 1], Operations: [] Exploring Operation: 51-1=50, Resulting Numbers: [2, 15, 50] Generated Node #0,0: 12:[2, 15, 50] Operation: 51-1=50 Exploring Operation: 51-15=36, Resulting Numbers: [2, 1, 36] Generated Node #0,1: 12:[2, 1, 36] Operation: 51-15=36 Exploring Operation: 51-2=49, Resulting Numbers: [15, 1, 49] Generated Node #0,2: 12:[15, 1, 49] Operation: 51-2=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[2, 1, 36], Operations: ['51-15=36'] Exploring Operation: 36-1=35, Resulting Numbers: [2, 35] Generated Node #0,1,0: 12:[2, 35] Operation: 36-1=35 Exploring Operation: 36-2=34, Resulting Numbers: [1, 34] Generated Node #0,1,1: 12:[1, 34] Operation: 36-2=34 Exploring Operation: 36/2=18, Resulting Numbers: [1, 18] Generated Node #0,1,2: 12:[1, 18] Operation: 36/2=18 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 12:[1, 18], Operations: ['51-15=36', '36/2=18'] Exploring Operation: 1*18=18, Resulting Numbers: [18] 18,12 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,12 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 12:[2, 35], Operations: ['51-15=36', '36-1=35'] Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,12 unequal: No Solution Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,12 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 12:[1, 34], Operations: ['51-15=36', '36-2=34'] Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,12 unequal: No Solution Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,12 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,12 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: 12:[2, 15, 50], Operations: ['51-1=50'] Exploring Operation: 15-2=13, Resulting Numbers: [50, 13] Generated Node #0,0,0: 12:[50, 13] Operation: 15-2=13 Exploring Operation: 50-15=35, Resulting Numbers: [2, 35] Generated Node #0,0,1: 12:[2, 35] Operation: 50-15=35 Exploring Operation: 50/2=25, Resulting Numbers: [15, 25] Generated Node #0,0,2: 12:[15, 25] Operation: 50/2=25 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 12:[15, 25], Operations: ['51-1=50', '50/2=25'] Exploring Operation: 15+25=40, Resulting Numbers: [40] 40,12 unequal: No Solution Exploring Operation: 15*25=375, Resulting Numbers: [375] 375,12 unequal: No Solution Exploring Operation: 25-15=10, Resulting Numbers: [10] 10,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 12:[2, 35], Operations: ['51-1=50', '50-15=35'] Exploring Operation: 2+35=37, Resulting Numbers: [37] 37,12 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 12:[50, 13], Operations: ['51-1=50', '15-2=13'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,12 unequal: No Solution Exploring Operation: 50*13=650, Resulting Numbers: [650] 650,12 unequal: No Solution Exploring Operation: 50+13=63, Resulting Numbers: [63] 63,12 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: 12:[15, 1, 49], Operations: ['51-2=49'] Exploring Operation: 49-15=34, Resulting Numbers: [1, 34] Generated Node #0,2,0: 12:[1, 34] Operation: 49-15=34 Exploring Operation: 49-1=48, Resulting Numbers: [15, 48] Generated Node #0,2,1: 12:[15, 48] Operation: 49-1=48 Exploring Operation: 15-1=14, Resulting Numbers: [49, 14] Generated Node #0,2,2: 12:[49, 14] Operation: 15-1=14 Moving to Node #0,2,0 Current State: 12:[1, 34], Operations: ['51-2=49', '49-15=34'] Exploring Operation: 1*34=34, Resulting Numbers: [34] 34,12 unequal: No Solution Exploring Operation: 34-1=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 34/1=34, Resulting Numbers: [34] 34,12 unequal: No Solution Moving to Node #0,2,1 Current State: 12:[15, 48], Operations: ['51-2=49', '49-1=48'] Exploring Operation: 48-15=33, Resulting Numbers: [33] 33,12 unequal: No Solution Exploring Operation: 15*48=720, Resulting Numbers: [720] 720,12 unequal: No Solution Exploring Operation: 15+48=63, Resulting Numbers: [63] 63,12 unequal: No Solution Moving to Node #0,2,2 Current State: 12:[49, 14], Operations: ['51-2=49', '15-1=14'] Exploring Operation: 49*14=686, Resulting Numbers: [686] 686,12 unequal: No Solution Exploring Operation: 49+14=63, Resulting Numbers: [63] 63,12 unequal: No Solution Exploring Operation: 49-14=35, Resulting Numbers: [35] 35,12 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
[ 21, 5, 35, 60 ]
74
[ "21+60=81", "35/5=7", "81-7=74" ]
Current State: 74:[21, 5, 35, 60], Operations: [] Exploring Operation: 21+60=81, Resulting Numbers: [5, 35, 81] Generated Node #2: [5, 35, 81] from Operation: 21+60=81 Current State: 74:[5, 35, 81], Operations: ['21+60=81'] Exploring Operation: 35/5=7, Resulting Numbers: [81, 7] Generated Node #3: [81, 7] from Operation: 35/5=7 Current State: 74:[81, 7], Operations: ['21+60=81', '35/5=7'] Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[21, 5, 35, 60], Operations: [] Exploring Operation: 21+5=26, Resulting Numbers: [35, 60, 26] Generated Node #0,0: 74:[35, 60, 26] Operation: 21+5=26 Exploring Operation: 60-21=39, Resulting Numbers: [5, 35, 39] Generated Node #0,1: 74:[5, 35, 39] Operation: 60-21=39 Exploring Operation: 5+60=65, Resulting Numbers: [21, 35, 65] Generated Node #0,2: 74:[21, 35, 65] Operation: 5+60=65 Exploring Operation: 21+60=81, Resulting Numbers: [5, 35, 81] Generated Node #0,3: 74:[5, 35, 81] Operation: 21+60=81 Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[5, 35, 39], Operations: ['60-21=39'] Exploring Operation: 5+35=40, Resulting Numbers: [39, 40] Generated Node #0,1,0: 74:[39, 40] Operation: 5+35=40 Exploring Operation: 39-35=4, Resulting Numbers: [5, 4] Generated Node #0,1,1: 74:[5, 4] Operation: 39-35=4 Exploring Operation: 35+39=74, Resulting Numbers: [5, 74] Generated Node #0,1,2: 74:[5, 74] Operation: 35+39=74 Exploring Operation: 39-5=34, Resulting Numbers: [35, 34] Generated Node #0,1,3: 74:[35, 34] Operation: 39-5=34 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 74:[5, 74], Operations: ['60-21=39', '35+39=74'] Exploring Operation: 5*74=370, Resulting Numbers: [370] 370,74 unequal: No Solution Exploring Operation: 74-5=69, Resulting Numbers: [69] 69,74 unequal: No Solution Exploring Operation: 5+74=79, Resulting Numbers: [79] 79,74 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:[39, 40], Operations: ['60-21=39', '5+35=40'] Exploring Operation: 39*40=1560, Resulting Numbers: [1560] 1560,74 unequal: No Solution Exploring Operation: 39+40=79, Resulting Numbers: [79] 79,74 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,74 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:[5, 4], Operations: ['60-21=39', '39-35=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,74 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,74 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,74 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:[35, 34], Operations: ['60-21=39', '39-5=34'] Exploring Operation: 35+34=69, Resulting Numbers: [69] 69,74 unequal: No Solution Exploring Operation: 35*34=1190, Resulting Numbers: [1190] 1190,74 unequal: No Solution Exploring Operation: 35-34=1, Resulting Numbers: [1] 1,74 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:[5, 35, 81], Operations: ['21+60=81'] Exploring Operation: 5+35=40, Resulting Numbers: [81, 40] Generated Node #0,3,0: 74:[81, 40] Operation: 5+35=40 Exploring Operation: 81-5=76, Resulting Numbers: [35, 76] Generated Node #0,3,1: 74:[35, 76] Operation: 81-5=76 Exploring Operation: 81-35=46, Resulting Numbers: [5, 46] Generated Node #0,3,2: 74:[5, 46] Operation: 81-35=46 Exploring Operation: 35/5=7, Resulting Numbers: [81, 7] Generated Node #0,3,3: 74:[81, 7] Operation: 35/5=7 Moving to Node #0,3,1 Current State: 74:[35, 76], Operations: ['21+60=81', '81-5=76'] Exploring Operation: 76-35=41, Resulting Numbers: [41] 41,74 unequal: No Solution Exploring Operation: 35*76=2660, Resulting Numbers: [2660] 2660,74 unequal: No Solution Exploring Operation: 35+76=111, Resulting Numbers: [111] 111,74 unequal: No Solution Moving to Node #0,3,0 Current State: 74:[81, 40], Operations: ['21+60=81', '5+35=40'] Exploring Operation: 81*40=3240, Resulting Numbers: [3240] 3240,74 unequal: No Solution Exploring Operation: 81-40=41, Resulting Numbers: [41] 41,74 unequal: No Solution Exploring Operation: 81+40=121, Resulting Numbers: [121] 121,74 unequal: No Solution Moving to Node #0,3,3 Current State: 74:[81, 7], Operations: ['21+60=81', '35/5=7'] Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[21, 5, 35, 60], Operations: [] Exploring Operation: 21+60=81, Resulting Numbers: [5, 35, 81] Generated Node #0,3: 74:[5, 35, 81] Operation: 21+60=81 Moving to Node #0,3 Current State: 74:[5, 35, 81], Operations: ['21+60=81'] Exploring Operation: 35/5=7, Resulting Numbers: [81, 7] Generated Node #0,3,3: 74:[81, 7] Operation: 35/5=7 Moving to Node #0,3,3 Current State: 74:[81, 7], Operations: ['21+60=81', '35/5=7'] Exploring Operation: 81-7=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 10, 73, 49, 52 ]
38
[ "73-10=63", "49+52=101", "101-63=38" ]
Current State: 38:[10, 73, 49, 52], Operations: [] Exploring Operation: 73-10=63, Resulting Numbers: [49, 52, 63] Generated Node #2: [49, 52, 63] from Operation: 73-10=63 Current State: 38:[49, 52, 63], Operations: ['73-10=63'] Exploring Operation: 49+52=101, Resulting Numbers: [63, 101] Generated Node #3: [63, 101] from Operation: 49+52=101 Current State: 38:[63, 101], Operations: ['73-10=63', '49+52=101'] Exploring Operation: 101-63=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[10, 73, 49, 52], Operations: [] Exploring Operation: 52-49=3, Resulting Numbers: [10, 73, 3] Generated Node #0,0: 38:[10, 73, 3] Operation: 52-49=3 Exploring Operation: 73-49=24, Resulting Numbers: [10, 52, 24] Generated Node #0,1: 38:[10, 52, 24] Operation: 73-49=24 Exploring Operation: 73-52=21, Resulting Numbers: [10, 49, 21] Generated Node #0,2: 38:[10, 49, 21] Operation: 73-52=21 Exploring Operation: 49-10=39, Resulting Numbers: [73, 52, 39] Generated Node #0,3: 38:[73, 52, 39] Operation: 49-10=39 Exploring Operation: 73-10=63, Resulting Numbers: [49, 52, 63] Generated Node #0,4: 38:[49, 52, 63] Operation: 73-10=63 Moving to Node #0,2 Current State: 38:[10, 49, 21], Operations: ['73-52=21'] Exploring Operation: 10+49=59, Resulting Numbers: [21, 59] Generated Node #0,2,0: 38:[21, 59] Operation: 10+49=59 Exploring Operation: 49-10=39, Resulting Numbers: [21, 39] Generated Node #0,2,1: 38:[21, 39] Operation: 49-10=39 Exploring Operation: 21-10=11, Resulting Numbers: [49, 11] Generated Node #0,2,2: 38:[49, 11] Operation: 21-10=11 Exploring Operation: 10+21=31, Resulting Numbers: [49, 31] Generated Node #0,2,3: 38:[49, 31] Operation: 10+21=31 Exploring Operation: 49-21=28, Resulting Numbers: [10, 28] Generated Node #0,2,4: 38:[10, 28] Operation: 49-21=28 Moving to Node #0,1 Current State: 38:[10, 52, 24], Operations: ['73-49=24'] Exploring Operation: 52-24=28, Resulting Numbers: [10, 28] Generated Node #0,1,0: 38:[10, 28] Operation: 52-24=28 Exploring Operation: 24-10=14, Resulting Numbers: [52, 14] Generated Node #0,1,1: 38:[52, 14] Operation: 24-10=14 Exploring Operation: 52-10=42, Resulting Numbers: [24, 42] Generated Node #0,1,2: 38:[24, 42] Operation: 52-10=42 Exploring Operation: 10+24=34, Resulting Numbers: [52, 34] Generated Node #0,1,3: 38:[52, 34] Operation: 10+24=34 Exploring Operation: 10+52=62, Resulting Numbers: [24, 62] Generated Node #0,1,4: 38:[24, 62] Operation: 10+52=62 Moving to Node #0,0 Current State: 38:[10, 73, 3], Operations: ['52-49=3'] Exploring Operation: 10-3=7, Resulting Numbers: [73, 7] Generated Node #0,0,0: 38:[73, 7] Operation: 10-3=7 Exploring Operation: 10*3=30, Resulting Numbers: [73, 30] Generated Node #0,0,1: 38:[73, 30] Operation: 10*3=30 Exploring Operation: 73-10=63, Resulting Numbers: [3, 63] Generated Node #0,0,2: 38:[3, 63] Operation: 73-10=63 Exploring Operation: 10+3=13, Resulting Numbers: [73, 13] Generated Node #0,0,3: 38:[73, 13] Operation: 10+3=13 Exploring Operation: 73-3=70, Resulting Numbers: [10, 70] Generated Node #0,0,4: 38:[10, 70] Operation: 73-3=70 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 38:[3, 63], Operations: ['52-49=3', '73-10=63'] Exploring Operation: 3+63=66, Resulting Numbers: [66] 66,38 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 3*63=189, Resulting Numbers: [189] 189,38 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 #0,0,0 Current State: 38:[73, 7], Operations: ['52-49=3', '10-3=7'] Exploring Operation: 73-7=66, Resulting Numbers: [66] 66,38 unequal: No Solution Exploring Operation: 73+7=80, Resulting Numbers: [80] 80,38 unequal: No Solution Exploring Operation: 73*7=511, Resulting Numbers: [511] 511,38 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 #0,0,4 Current State: 38:[10, 70], Operations: ['52-49=3', '73-3=70'] Exploring Operation: 10*70=700, Resulting Numbers: [700] 700,38 unequal: No Solution Exploring Operation: 10+70=80, Resulting Numbers: [80] 80,38 unequal: No Solution Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,38 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 #0,0,3 Current State: 38:[73, 13], Operations: ['52-49=3', '10+3=13'] Exploring Operation: 73*13=949, Resulting Numbers: [949] 949,38 unequal: No Solution Exploring Operation: 73-13=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 73+13=86, Resulting Numbers: [86] 86,38 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 #0,0,1 Current State: 38:[73, 30], Operations: ['52-49=3', '10*3=30'] Exploring Operation: 73+30=103, Resulting Numbers: [103] 103,38 unequal: No Solution Exploring Operation: 73*30=2190, Resulting Numbers: [2190] 2190,38 unequal: No Solution Exploring Operation: 73-30=43, Resulting Numbers: [43] 43,38 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: 38:[73, 52, 39], Operations: ['49-10=39'] Exploring Operation: 52-39=13, Resulting Numbers: [73, 13] Generated Node #0,3,0: 38:[73, 13] Operation: 52-39=13 Exploring Operation: 73-39=34, Resulting Numbers: [52, 34] Generated Node #0,3,1: 38:[52, 34] Operation: 73-39=34 Exploring Operation: 73+39=112, Resulting Numbers: [52, 112] Generated Node #0,3,2: 38:[52, 112] Operation: 73+39=112 Exploring Operation: 73+52=125, Resulting Numbers: [39, 125] Generated Node #0,3,3: 38:[39, 125] Operation: 73+52=125 Exploring Operation: 73-52=21, Resulting Numbers: [39, 21] Generated Node #0,3,4: 38:[39, 21] Operation: 73-52=21 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 38:[39, 21], Operations: ['49-10=39', '73-52=21'] Exploring Operation: 39*21=819, Resulting Numbers: [819] 819,38 unequal: No Solution Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 39+21=60, Resulting Numbers: [60] 60,38 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 #0,3,1 Current State: 38:[52, 34], Operations: ['49-10=39', '73-39=34'] Exploring Operation: 52+34=86, Resulting Numbers: [86] 86,38 unequal: No Solution Exploring Operation: 52*34=1768, Resulting Numbers: [1768] 1768,38 unequal: No Solution Exploring Operation: 52-34=18, Resulting Numbers: [18] 18,38 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 #0,3,0 Current State: 38:[73, 13], Operations: ['49-10=39', '52-39=13'] Exploring Operation: 73-13=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 73+13=86, Resulting Numbers: [86] 86,38 unequal: No Solution Exploring Operation: 73*13=949, Resulting Numbers: [949] 949,38 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 #0,3,2 Current State: 38:[52, 112], Operations: ['49-10=39', '73+39=112'] Exploring Operation: 112-52=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 52*112=5824, Resulting Numbers: [5824] 5824,38 unequal: No Solution Exploring Operation: 52+112=164, Resulting Numbers: [164] 164,38 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 #0,3,3 Current State: 38:[39, 125], Operations: ['49-10=39', '73+52=125'] Exploring Operation: 39*125=4875, Resulting Numbers: [4875] 4875,38 unequal: No Solution Exploring Operation: 125-39=86, Resulting Numbers: [86] 86,38 unequal: No Solution Exploring Operation: 39+125=164, Resulting Numbers: [164] 164,38 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: 38:[49, 52, 63], Operations: ['73-10=63'] Exploring Operation: 49+52=101, Resulting Numbers: [63, 101] Generated Node #0,4,0: 38:[63, 101] Operation: 49+52=101 Exploring Operation: 63-52=11, Resulting Numbers: [49, 11] Generated Node #0,4,1: 38:[49, 11] Operation: 63-52=11 Exploring Operation: 49+63=112, Resulting Numbers: [52, 112] Generated Node #0,4,2: 38:[52, 112] Operation: 49+63=112 Exploring Operation: 52-49=3, Resulting Numbers: [63, 3] Generated Node #0,4,3: 38:[63, 3] Operation: 52-49=3 Exploring Operation: 63-49=14, Resulting Numbers: [52, 14] Generated Node #0,4,4: 38:[52, 14] Operation: 63-49=14 Moving to Node #0,2,1 Current State: 38:[21, 39], Operations: ['73-52=21', '49-10=39'] Exploring Operation: 39-21=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 21+39=60, Resulting Numbers: [60] 60,38 unequal: No Solution Exploring Operation: 21*39=819, Resulting Numbers: [819] 819,38 unequal: No Solution Moving to Node #0,1,2 Current State: 38:[24, 42], Operations: ['73-49=24', '52-10=42'] Exploring Operation: 24*42=1008, Resulting Numbers: [1008] 1008,38 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,38 unequal: No Solution Exploring Operation: 24+42=66, Resulting Numbers: [66] 66,38 unequal: No Solution Moving to Node #0,1,0 Current State: 38:[10, 28], Operations: ['73-49=24', '52-24=28'] Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[10, 73, 49, 52], Operations: [] Exploring Operation: 73-49=24, Resulting Numbers: [10, 52, 24] Generated Node #0,1: 38:[10, 52, 24] Operation: 73-49=24 Moving to Node #0,1 Current State: 38:[10, 52, 24], Operations: ['73-49=24'] Exploring Operation: 52-24=28, Resulting Numbers: [10, 28] Generated Node #0,1,0: 38:[10, 28] Operation: 52-24=28 Moving to Node #0,1,0 Current State: 38:[10, 28], Operations: ['73-49=24', '52-24=28'] Exploring Operation: 10+28=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
0.936632
hs_5
mult_heuristic
[ 32, 54, 93, 75 ]
35
[ "93-75=18", "54/18=3", "32+3=35" ]
Current State: 35:[32, 54, 93, 75], Operations: [] Exploring Operation: 93-75=18, Resulting Numbers: [32, 54, 18] Generated Node #2: [32, 54, 18] from Operation: 93-75=18 Current State: 35:[32, 54, 18], Operations: ['93-75=18'] Exploring Operation: 54/18=3, Resulting Numbers: [32, 3] Generated Node #3: [32, 3] from Operation: 54/18=3 Current State: 35:[32, 3], Operations: ['93-75=18', '54/18=3'] Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[32, 54, 93, 75], Operations: [] Exploring Operation: 75-54=21, Resulting Numbers: [32, 93, 21] Generated Node #0,0: 35:[32, 93, 21] Operation: 75-54=21 Exploring Operation: 93-54=39, Resulting Numbers: [32, 75, 39] Generated Node #0,1: 35:[32, 75, 39] Operation: 93-54=39 Exploring Operation: 93-32=61, Resulting Numbers: [54, 75, 61] Generated Node #0,2: 35:[54, 75, 61] Operation: 93-32=61 Exploring Operation: 93-75=18, Resulting Numbers: [32, 54, 18] Generated Node #0,3: 35:[32, 54, 18] Operation: 93-75=18 Start Sub Search at level 1: Moving to Node #0,3 Current State: 35:[32, 54, 18], Operations: ['93-75=18'] Exploring Operation: 54/18=3, Resulting Numbers: [32, 3] Generated Node #0,3,0: 35:[32, 3] Operation: 54/18=3 Exploring Operation: 54-18=36, Resulting Numbers: [32, 36] Generated Node #0,3,1: 35:[32, 36] Operation: 54-18=36 Exploring Operation: 54-32=22, Resulting Numbers: [18, 22] Generated Node #0,3,2: 35:[18, 22] Operation: 54-32=22 Exploring Operation: 32-18=14, Resulting Numbers: [54, 14] Generated Node #0,3,3: 35:[54, 14] Operation: 32-18=14 Moving to Node #0,3,1 Current State: 35:[32, 36], Operations: ['93-75=18', '54-18=36'] Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,35 unequal: No Solution Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,35 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,35 unequal: No Solution Moving to Node #0,3,0 Current State: 35:[32, 3], Operations: ['93-75=18', '54/18=3'] Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[32, 54, 93, 75], Operations: [] Exploring Operation: 93-75=18, Resulting Numbers: [32, 54, 18] Generated Node #0,3: 35:[32, 54, 18] Operation: 93-75=18 Moving to Node #0,3 Current State: 35:[32, 54, 18], Operations: ['93-75=18'] Exploring Operation: 54/18=3, Resulting Numbers: [32, 3] Generated Node #0,3,0: 35:[32, 3] Operation: 54/18=3 Moving to Node #0,3,0 Current State: 35:[32, 3], Operations: ['93-75=18', '54/18=3'] Exploring Operation: 32+3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 47, 60, 61, 2 ]
53
[ "61-47=14", "14/2=7", "60-7=53" ]
Current State: 53:[47, 60, 61, 2], Operations: [] Exploring Operation: 61-47=14, Resulting Numbers: [60, 2, 14] Generated Node #2: [60, 2, 14] from Operation: 61-47=14 Current State: 53:[60, 2, 14], Operations: ['61-47=14'] Exploring Operation: 14/2=7, Resulting Numbers: [60, 7] Generated Node #3: [60, 7] from Operation: 14/2=7 Current State: 53:[60, 7], Operations: ['61-47=14', '14/2=7'] Exploring Operation: 60-7=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[47, 60, 61, 2], Operations: [] Exploring Operation: 47+2=49, Resulting Numbers: [60, 61, 49] Generated Node #0,0: 53:[60, 61, 49] Operation: 47+2=49 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[60, 61, 49], Operations: ['47+2=49'] Exploring Operation: 61-49=12, Resulting Numbers: [60, 12] Generated Node #0,0,0: 53:[60, 12] Operation: 61-49=12 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[60, 12], Operations: ['47+2=49', '61-49=12'] Exploring Operation: 60-12=48, Resulting Numbers: [48] 48,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 84, 58, 21, 3 ]
51
[ "84/21=4", "58-3=55", "55-4=51" ]
Current State: 51:[84, 58, 21, 3], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [58, 3, 4] Generated Node #2: [58, 3, 4] from Operation: 84/21=4 Current State: 51:[58, 3, 4], Operations: ['84/21=4'] Exploring Operation: 58-3=55, Resulting Numbers: [4, 55] Generated Node #3: [4, 55] from Operation: 58-3=55 Current State: 51:[4, 55], Operations: ['84/21=4', '58-3=55'] Exploring Operation: 55-4=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[84, 58, 21, 3], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [58, 3, 4] Generated Node #0,0: 51:[58, 3, 4] Operation: 84/21=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[58, 3, 4], Operations: ['84/21=4'] Exploring Operation: 58-4=54, Resulting Numbers: [3, 54] Generated Node #0,0,0: 51:[3, 54] Operation: 58-4=54 Moving to Node #0,0,0 Current State: 51:[3, 54], Operations: ['84/21=4', '58-4=54'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[84, 58, 21, 3], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [58, 3, 4] Generated Node #0,0: 51:[58, 3, 4] Operation: 84/21=4 Moving to Node #0,0 Current State: 51:[58, 3, 4], Operations: ['84/21=4'] Exploring Operation: 58-4=54, Resulting Numbers: [3, 54] Generated Node #0,0,0: 51:[3, 54] Operation: 58-4=54 Moving to Node #0,0,0 Current State: 51:[3, 54], Operations: ['84/21=4', '58-4=54'] Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 52, 79, 30, 73 ]
28
[ "52+79=131", "30+73=103", "131-103=28" ]
Current State: 28:[52, 79, 30, 73], Operations: [] Exploring Operation: 52+79=131, Resulting Numbers: [30, 73, 131] Generated Node #2: [30, 73, 131] from Operation: 52+79=131 Current State: 28:[30, 73, 131], Operations: ['52+79=131'] Exploring Operation: 30+73=103, Resulting Numbers: [131, 103] Generated Node #3: [131, 103] from Operation: 30+73=103 Current State: 28:[131, 103], Operations: ['52+79=131', '30+73=103'] Exploring Operation: 131-103=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[52, 79, 30, 73], Operations: [] Exploring Operation: 79-73=6, Resulting Numbers: [52, 30, 6] Generated Node #0,0: 28:[52, 30, 6] Operation: 79-73=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[52, 30, 6], Operations: ['79-73=6'] Exploring Operation: 52-30=22, Resulting Numbers: [6, 22] Generated Node #0,0,0: 28:[6, 22] Operation: 52-30=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[6, 22], Operations: ['79-73=6', '52-30=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[52, 79, 30, 73], Operations: [] Exploring Operation: 79-73=6, Resulting Numbers: [52, 30, 6] Generated Node #0,0: 28:[52, 30, 6] Operation: 79-73=6 Moving to Node #0,0 Current State: 28:[52, 30, 6], Operations: ['79-73=6'] Exploring Operation: 52-30=22, Resulting Numbers: [6, 22] Generated Node #0,0,0: 28:[6, 22] Operation: 52-30=22 Moving to Node #0,0,0 Current State: 28:[6, 22], Operations: ['79-73=6', '52-30=22'] Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 16, 33, 3, 96 ]
69
[ "96-16=80", "33/3=11", "80-11=69" ]
Current State: 69:[16, 33, 3, 96], Operations: [] Exploring Operation: 96-16=80, Resulting Numbers: [33, 3, 80] Generated Node #2: [33, 3, 80] from Operation: 96-16=80 Current State: 69:[33, 3, 80], Operations: ['96-16=80'] Exploring Operation: 33/3=11, Resulting Numbers: [80, 11] Generated Node #3: [80, 11] from Operation: 33/3=11 Current State: 69:[80, 11], Operations: ['96-16=80', '33/3=11'] Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[16, 33, 3, 96], Operations: [] Exploring Operation: 96-33=63, Resulting Numbers: [16, 3, 63] Generated Node #0,0: 69:[16, 3, 63] Operation: 96-33=63 Exploring Operation: 96/16=6, Resulting Numbers: [33, 3, 6] Generated Node #0,1: 69:[33, 3, 6] Operation: 96/16=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[16, 3, 63], Operations: ['96-33=63'] Exploring Operation: 16+3=19, Resulting Numbers: [63, 19] Generated Node #0,0,0: 69:[63, 19] Operation: 16+3=19 Exploring Operation: 63/3=21, Resulting Numbers: [16, 21] Generated Node #0,0,1: 69:[16, 21] Operation: 63/3=21 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 69:[16, 21], Operations: ['96-33=63', '63/3=21'] Exploring Operation: 16+21=37, Resulting Numbers: [37] 37,69 unequal: No Solution Exploring Operation: 21-16=5, Resulting Numbers: [5] 5,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 69:[63, 19], Operations: ['96-33=63', '16+3=19'] Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,69 unequal: No Solution Exploring Operation: 63+19=82, Resulting Numbers: [82] 82,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[33, 3, 6], Operations: ['96/16=6'] Exploring Operation: 33-6=27, Resulting Numbers: [3, 27] Generated Node #0,1,0: 69:[3, 27] Operation: 33-6=27 Exploring Operation: 33-3=30, Resulting Numbers: [6, 30] Generated Node #0,1,1: 69:[6, 30] Operation: 33-3=30 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 69:[3, 27], Operations: ['96/16=6', '33-6=27'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,69 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 69:[6, 30], Operations: ['96/16=6', '33-3=30'] Exploring Operation: 30-6=24, Resulting Numbers: [24] 24,69 unequal: No Solution Exploring Operation: 30/6=5, Resulting Numbers: [5] 5,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 6, 27, 81, 35 ]
33
[ "6*27=162", "162/81=2", "35-2=33" ]
Current State: 33:[6, 27, 81, 35], Operations: [] Exploring Operation: 6*27=162, Resulting Numbers: [81, 35, 162] Generated Node #2: [81, 35, 162] from Operation: 6*27=162 Current State: 33:[81, 35, 162], Operations: ['6*27=162'] Exploring Operation: 162/81=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 162/81=2 Current State: 33:[35, 2], Operations: ['6*27=162', '162/81=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[6, 27, 81, 35], Operations: [] Exploring Operation: 81-35=46, Resulting Numbers: [6, 27, 46] Generated Node #0,0: 33:[6, 27, 46] Operation: 81-35=46 Exploring Operation: 81-27=54, Resulting Numbers: [6, 35, 54] Generated Node #0,1: 33:[6, 35, 54] Operation: 81-27=54 Exploring Operation: 81/27=3, Resulting Numbers: [6, 35, 3] Generated Node #0,2: 33:[6, 35, 3] Operation: 81/27=3 Moving to Node #0,2 Current State: 33:[6, 35, 3], Operations: ['81/27=3'] Exploring Operation: 35-6=29, Resulting Numbers: [3, 29] Generated Node #0,2,0: 33:[3, 29] Operation: 35-6=29 Exploring Operation: 6/3=2, Resulting Numbers: [35, 2] Generated Node #0,2,1: 33:[35, 2] Operation: 6/3=2 Exploring Operation: 6-3=3, Resulting Numbers: [35, 3] Generated Node #0,2,2: 33:[35, 3] Operation: 6-3=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 33:[35, 3], Operations: ['81/27=3', '6-3=3'] Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,33 unequal: No Solution Exploring Operation: 35+3=38, Resulting Numbers: [38] 38,33 unequal: No Solution Exploring Operation: 35*3=105, Resulting Numbers: [105] 105,33 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 #0,2,1 Current State: 33:[35, 2], Operations: ['81/27=3', '6/3=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[6, 27, 81, 35], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [6, 35, 3] Generated Node #0,2: 33:[6, 35, 3] Operation: 81/27=3 Moving to Node #0,2 Current State: 33:[6, 35, 3], Operations: ['81/27=3'] Exploring Operation: 6/3=2, Resulting Numbers: [35, 2] Generated Node #0,2,1: 33:[35, 2] Operation: 6/3=2 Moving to Node #0,2,1 Current State: 33:[35, 2], Operations: ['81/27=3', '6/3=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 28, 76, 21, 36 ]
93
[ "76*21=1596", "1596/28=57", "36+57=93" ]
Current State: 93:[28, 76, 21, 36], Operations: [] Exploring Operation: 76*21=1596, Resulting Numbers: [28, 36, 1596] Generated Node #2: [28, 36, 1596] from Operation: 76*21=1596 Current State: 93:[28, 36, 1596], Operations: ['76*21=1596'] Exploring Operation: 1596/28=57, Resulting Numbers: [36, 57] Generated Node #3: [36, 57] from Operation: 1596/28=57 Current State: 93:[36, 57], Operations: ['76*21=1596', '1596/28=57'] Exploring Operation: 36+57=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[28, 76, 21, 36], Operations: [] Exploring Operation: 76+21=97, Resulting Numbers: [28, 36, 97] Generated Node #0,0: 93:[28, 36, 97] Operation: 76+21=97 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[28, 36, 97], Operations: ['76+21=97'] Exploring Operation: 36-28=8, Resulting Numbers: [97, 8] Generated Node #0,0,0: 93:[97, 8] Operation: 36-28=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[97, 8], Operations: ['76+21=97', '36-28=8'] Exploring Operation: 97-8=89, Resulting Numbers: [89] 89,93 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 67, 81, 42, 23 ]
69
[ "81-67=14", "42*23=966", "966/14=69" ]
Current State: 69:[67, 81, 42, 23], Operations: [] Exploring Operation: 81-67=14, Resulting Numbers: [42, 23, 14] Generated Node #2: [42, 23, 14] from Operation: 81-67=14 Current State: 69:[42, 23, 14], Operations: ['81-67=14'] Exploring Operation: 42*23=966, Resulting Numbers: [14, 966] Generated Node #3: [14, 966] from Operation: 42*23=966 Current State: 69:[14, 966], Operations: ['81-67=14', '42*23=966'] Exploring Operation: 966/14=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[67, 81, 42, 23], Operations: [] Exploring Operation: 67-42=25, Resulting Numbers: [81, 23, 25] Generated Node #0,0: 69:[81, 23, 25] Operation: 67-42=25 Exploring Operation: 42-23=19, Resulting Numbers: [67, 81, 19] Generated Node #0,1: 69:[67, 81, 19] Operation: 42-23=19 Exploring Operation: 81-42=39, Resulting Numbers: [67, 23, 39] Generated Node #0,2: 69:[67, 23, 39] Operation: 81-42=39 Exploring Operation: 42+23=65, Resulting Numbers: [67, 81, 65] Generated Node #0,3: 69:[67, 81, 65] Operation: 42+23=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[81, 23, 25], Operations: ['67-42=25'] Exploring Operation: 81-23=58, Resulting Numbers: [25, 58] Generated Node #0,0,0: 69:[25, 58] Operation: 81-23=58 Exploring Operation: 23+25=48, Resulting Numbers: [81, 48] Generated Node #0,0,1: 69:[81, 48] Operation: 23+25=48 Exploring Operation: 25-23=2, Resulting Numbers: [81, 2] Generated Node #0,0,2: 69:[81, 2] Operation: 25-23=2 Exploring Operation: 81-25=56, Resulting Numbers: [23, 56] Generated Node #0,0,3: 69:[23, 56] Operation: 81-25=56 Moving to Node #0,0,0 Current State: 69:[25, 58], Operations: ['67-42=25', '81-23=58'] Exploring Operation: 25+58=83, Resulting Numbers: [83] 83,69 unequal: No Solution Exploring Operation: 58-25=33, Resulting Numbers: [33] 33,69 unequal: No Solution Exploring Operation: 25*58=1450, Resulting Numbers: [1450] 1450,69 unequal: No Solution Moving to Node #0,0,3 Current State: 69:[23, 56], Operations: ['67-42=25', '81-25=56'] Exploring Operation: 56-23=33, Resulting Numbers: [33] 33,69 unequal: No Solution Exploring Operation: 23+56=79, Resulting Numbers: [79] 79,69 unequal: No Solution Exploring Operation: 23*56=1288, Resulting Numbers: [1288] 1288,69 unequal: No Solution Moving to Node #0,0,2 Current State: 69:[81, 2], Operations: ['67-42=25', '25-23=2'] Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,69 unequal: No Solution Exploring Operation: 81*2=162, Resulting Numbers: [162] 162,69 unequal: No Solution Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,69 unequal: No Solution Moving to Node #0,0,1 Current State: 69:[81, 48], Operations: ['67-42=25', '23+25=48'] Exploring Operation: 81+48=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,69 unequal: No Solution Exploring Operation: 81*48=3888, Resulting Numbers: [3888] 3888,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 69:[67, 81, 19], Operations: ['42-23=19'] Exploring Operation: 67-19=48, Resulting Numbers: [81, 48] Generated Node #0,1,0: 69:[81, 48] Operation: 67-19=48 Exploring Operation: 81-19=62, Resulting Numbers: [67, 62] Generated Node #0,1,1: 69:[67, 62] Operation: 81-19=62 Exploring Operation: 81-67=14, Resulting Numbers: [19, 14] Generated Node #0,1,2: 69:[19, 14] Operation: 81-67=14 Exploring Operation: 67+19=86, Resulting Numbers: [81, 86] Generated Node #0,1,3: 69:[81, 86] Operation: 67+19=86 Moving to Node #0,1,1 Current State: 69:[67, 62], Operations: ['42-23=19', '81-19=62'] Exploring Operation: 67-62=5, Resulting Numbers: [5] 5,69 unequal: No Solution Exploring Operation: 67*62=4154, Resulting Numbers: [4154] 4154,69 unequal: No Solution Exploring Operation: 67+62=129, Resulting Numbers: [129] 129,69 unequal: No Solution Moving to Node #0,1,2 Current State: 69:[19, 14], Operations: ['42-23=19', '81-67=14'] Exploring Operation: 19*14=266, Resulting Numbers: [266] 266,69 unequal: No Solution Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,69 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,69 unequal: No Solution Moving to Node #0,1,3 Current State: 69:[81, 86], Operations: ['42-23=19', '67+19=86'] Exploring Operation: 81*86=6966, Resulting Numbers: [6966] 6966,69 unequal: No Solution Exploring Operation: 86-81=5, Resulting Numbers: [5] 5,69 unequal: No Solution Exploring Operation: 81+86=167, Resulting Numbers: [167] 167,69 unequal: No Solution Moving to Node #0,1,0 Current State: 69:[81, 48], Operations: ['42-23=19', '67-19=48'] Exploring Operation: 81*48=3888, Resulting Numbers: [3888] 3888,69 unequal: No Solution Exploring Operation: 81-48=33, Resulting Numbers: [33] 33,69 unequal: No Solution Exploring Operation: 81+48=129, Resulting Numbers: [129] 129,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[67, 23, 39], Operations: ['81-42=39'] Exploring Operation: 67+23=90, Resulting Numbers: [39, 90] Generated Node #0,2,0: 69:[39, 90] Operation: 67+23=90 Exploring Operation: 39-23=16, Resulting Numbers: [67, 16] Generated Node #0,2,1: 69:[67, 16] Operation: 39-23=16 Exploring Operation: 67-39=28, Resulting Numbers: [23, 28] Generated Node #0,2,2: 69:[23, 28] Operation: 67-39=28 Exploring Operation: 23+39=62, Resulting Numbers: [67, 62] Generated Node #0,2,3: 69:[67, 62] Operation: 23+39=62 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 69:[23, 28], Operations: ['81-42=39', '67-39=28'] Exploring Operation: 23+28=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 23*28=644, Resulting Numbers: [644] 644,69 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 69:[67, 16], Operations: ['81-42=39', '39-23=16'] Exploring Operation: 67+16=83, Resulting Numbers: [83] 83,69 unequal: No Solution Exploring Operation: 67*16=1072, Resulting Numbers: [1072] 1072,69 unequal: No Solution Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 69:[67, 62], Operations: ['81-42=39', '23+39=62'] Exploring Operation: 67*62=4154, Resulting Numbers: [4154] 4154,69 unequal: No Solution Exploring Operation: 67-62=5, Resulting Numbers: [5] 5,69 unequal: No Solution Exploring Operation: 67+62=129, Resulting Numbers: [129] 129,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 69:[39, 90], Operations: ['81-42=39', '67+23=90'] Exploring Operation: 90-39=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 39+90=129, Resulting Numbers: [129] 129,69 unequal: No Solution Exploring Operation: 39*90=3510, Resulting Numbers: [3510] 3510,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 69:[67, 81, 65], Operations: ['42+23=65'] Exploring Operation: 67-65=2, Resulting Numbers: [81, 2] Generated Node #0,3,0: 69:[81, 2] Operation: 67-65=2 Exploring Operation: 81-67=14, Resulting Numbers: [65, 14] Generated Node #0,3,1: 69:[65, 14] Operation: 81-67=14 Exploring Operation: 67+65=132, Resulting Numbers: [81, 132] Generated Node #0,3,2: 69:[81, 132] Operation: 67+65=132 Exploring Operation: 81-65=16, Resulting Numbers: [67, 16] Generated Node #0,3,3: 69:[67, 16] Operation: 81-65=16 Moving to Node #0,3,3 Current State: 69:[67, 16], Operations: ['42+23=65', '81-65=16'] Exploring Operation: 67+16=83, Resulting Numbers: [83] 83,69 unequal: No Solution Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 67*16=1072, Resulting Numbers: [1072] 1072,69 unequal: No Solution Moving to Node #0,3,1 Current State: 69:[65, 14], Operations: ['42+23=65', '81-67=14'] Exploring Operation: 65-14=51, Resulting Numbers: [51] 51,69 unequal: No Solution Exploring Operation: 65*14=910, Resulting Numbers: [910] 910,69 unequal: No Solution Exploring Operation: 65+14=79, Resulting Numbers: [79] 79,69 unequal: No Solution Moving to Node #0,3,0 Current State: 69:[81, 2], Operations: ['42+23=65', '67-65=2'] Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,69 unequal: No Solution Exploring Operation: 81*2=162, Resulting Numbers: [162] 162,69 unequal: No Solution Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,69 unequal: No Solution Moving to Node #0,3,2 Current State: 69:[81, 132], Operations: ['42+23=65', '67+65=132'] Exploring Operation: 81*132=10692, Resulting Numbers: [10692] 10692,69 unequal: No Solution Exploring Operation: 81+132=213, Resulting Numbers: [213] 213,69 unequal: No Solution Exploring Operation: 132-81=51, Resulting Numbers: [51] 51,69 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
[ 19, 11, 45, 68 ]
21
[ "45-11=34", "68/34=2", "19+2=21" ]
Current State: 21:[19, 11, 45, 68], Operations: [] Exploring Operation: 45-11=34, Resulting Numbers: [19, 68, 34] Generated Node #2: [19, 68, 34] from Operation: 45-11=34 Current State: 21:[19, 68, 34], Operations: ['45-11=34'] Exploring Operation: 68/34=2, Resulting Numbers: [19, 2] Generated Node #3: [19, 2] from Operation: 68/34=2 Current State: 21:[19, 2], Operations: ['45-11=34', '68/34=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[19, 11, 45, 68], Operations: [] Exploring Operation: 68-45=23, Resulting Numbers: [19, 11, 23] Generated Node #0,0: 21:[19, 11, 23] Operation: 68-45=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[19, 11, 23], Operations: ['68-45=23'] Exploring Operation: 19-11=8, Resulting Numbers: [23, 8] Generated Node #0,0,0: 21:[23, 8] Operation: 19-11=8 Moving to Node #0,0,0 Current State: 21:[23, 8], Operations: ['68-45=23', '19-11=8'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,21 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
[ 36, 62, 53, 32 ]
77
[ "36+62=98", "53-32=21", "98-21=77" ]
Current State: 77:[36, 62, 53, 32], Operations: [] Exploring Operation: 36+62=98, Resulting Numbers: [53, 32, 98] Generated Node #2: [53, 32, 98] from Operation: 36+62=98 Current State: 77:[53, 32, 98], Operations: ['36+62=98'] Exploring Operation: 53-32=21, Resulting Numbers: [98, 21] Generated Node #3: [98, 21] from Operation: 53-32=21 Current State: 77:[98, 21], Operations: ['36+62=98', '53-32=21'] Exploring Operation: 98-21=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[36, 62, 53, 32], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [62, 53, 4] Generated Node #0,0: 77:[62, 53, 4] Operation: 36-32=4 Exploring Operation: 36+53=89, Resulting Numbers: [62, 32, 89] Generated Node #0,1: 77:[62, 32, 89] Operation: 36+53=89 Exploring Operation: 53-36=17, Resulting Numbers: [62, 32, 17] Generated Node #0,2: 77:[62, 32, 17] Operation: 53-36=17 Moving to Node #0,0 Current State: 77:[62, 53, 4], Operations: ['36-32=4'] Exploring Operation: 53+4=57, Resulting Numbers: [62, 57] Generated Node #0,0,0: 77:[62, 57] Operation: 53+4=57 Exploring Operation: 62-53=9, Resulting Numbers: [4, 9] Generated Node #0,0,1: 77:[4, 9] Operation: 62-53=9 Exploring Operation: 62+4=66, Resulting Numbers: [53, 66] Generated Node #0,0,2: 77:[53, 66] Operation: 62+4=66 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 77:[4, 9], Operations: ['36-32=4', '62-53=9'] Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,77 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,77 unequal: No Solution Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 77:[62, 57], Operations: ['36-32=4', '53+4=57'] Exploring Operation: 62+57=119, Resulting Numbers: [119] 119,77 unequal: No Solution Exploring Operation: 62*57=3534, Resulting Numbers: [3534] 3534,77 unequal: No Solution Exploring Operation: 62-57=5, Resulting Numbers: [5] 5,77 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 77:[53, 66], Operations: ['36-32=4', '62+4=66'] Exploring Operation: 66-53=13, Resulting Numbers: [13] 13,77 unequal: No Solution Exploring Operation: 53*66=3498, Resulting Numbers: [3498] 3498,77 unequal: No Solution Exploring Operation: 53+66=119, Resulting Numbers: [119] 119,77 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:[62, 32, 17], Operations: ['53-36=17'] Exploring Operation: 32-17=15, Resulting Numbers: [62, 15] Generated Node #0,2,0: 77:[62, 15] Operation: 32-17=15 Exploring Operation: 62+32=94, Resulting Numbers: [17, 94] Generated Node #0,2,1: 77:[17, 94] Operation: 62+32=94 Exploring Operation: 62+17=79, Resulting Numbers: [32, 79] Generated Node #0,2,2: 77:[32, 79] Operation: 62+17=79 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 77:[62, 15], Operations: ['53-36=17', '32-17=15'] Exploring Operation: 62-15=47, Resulting Numbers: [47] 47,77 unequal: No Solution Exploring Operation: 62*15=930, Resulting Numbers: [930] 930,77 unequal: No Solution Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[36, 62, 53, 32], Operations: [] Exploring Operation: 53-36=17, Resulting Numbers: [62, 32, 17] Generated Node #0,2: 77:[62, 32, 17] Operation: 53-36=17 Moving to Node #0,2 Current State: 77:[62, 32, 17], Operations: ['53-36=17'] Exploring Operation: 32-17=15, Resulting Numbers: [62, 15] Generated Node #0,2,0: 77:[62, 15] Operation: 32-17=15 Moving to Node #0,2,0 Current State: 77:[62, 15], Operations: ['53-36=17', '32-17=15'] Exploring Operation: 62+15=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_3
mult_heuristic
[ 43, 29, 74, 33 ]
58
[ "74-43=31", "33-31=2", "29*2=58" ]
Current State: 58:[43, 29, 74, 33], Operations: [] Exploring Operation: 74-43=31, Resulting Numbers: [29, 33, 31] Generated Node #2: [29, 33, 31] from Operation: 74-43=31 Current State: 58:[29, 33, 31], Operations: ['74-43=31'] Exploring Operation: 33-31=2, Resulting Numbers: [29, 2] Generated Node #3: [29, 2] from Operation: 33-31=2 Current State: 58:[29, 2], Operations: ['74-43=31', '33-31=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[43, 29, 74, 33], Operations: [] Exploring Operation: 43-33=10, Resulting Numbers: [29, 74, 10] Generated Node #0,0: 58:[29, 74, 10] Operation: 43-33=10 Exploring Operation: 74-29=45, Resulting Numbers: [43, 33, 45] Generated Node #0,1: 58:[43, 33, 45] Operation: 74-29=45 Exploring Operation: 74-33=41, Resulting Numbers: [43, 29, 41] Generated Node #0,2: 58:[43, 29, 41] Operation: 74-33=41 Exploring Operation: 74-43=31, Resulting Numbers: [29, 33, 31] Generated Node #0,3: 58:[29, 33, 31] Operation: 74-43=31 Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[29, 33, 31], Operations: ['74-43=31'] Exploring Operation: 31-29=2, Resulting Numbers: [33, 2] Generated Node #0,3,0: 58:[33, 2] Operation: 31-29=2 Exploring Operation: 29+33=62, Resulting Numbers: [31, 62] Generated Node #0,3,1: 58:[31, 62] Operation: 29+33=62 Exploring Operation: 33-31=2, Resulting Numbers: [29, 2] Generated Node #0,3,2: 58:[29, 2] Operation: 33-31=2 Exploring Operation: 33-29=4, Resulting Numbers: [31, 4] Generated Node #0,3,3: 58:[31, 4] Operation: 33-29=4 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 58:[29, 2], Operations: ['74-43=31', '33-31=2'] Exploring Operation: 29-2=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 29+2=31, Resulting Numbers: [31] 31,58 unequal: No Solution Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[43, 29, 74, 33], Operations: [] Exploring Operation: 74-43=31, Resulting Numbers: [29, 33, 31] Generated Node #0,3: 58:[29, 33, 31] Operation: 74-43=31 Moving to Node #0,3 Current State: 58:[29, 33, 31], Operations: ['74-43=31'] Exploring Operation: 33-31=2, Resulting Numbers: [29, 2] Generated Node #0,3,2: 58:[29, 2] Operation: 33-31=2 Moving to Node #0,3,2 Current State: 58:[29, 2], Operations: ['74-43=31', '33-31=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 39, 1, 21, 41 ]
20
[ "39+1=40", "41-21=20", "40-20=20" ]
Current State: 20:[39, 1, 21, 41], Operations: [] Exploring Operation: 39+1=40, Resulting Numbers: [21, 41, 40] Generated Node #2: [21, 41, 40] from Operation: 39+1=40 Current State: 20:[21, 41, 40], Operations: ['39+1=40'] Exploring Operation: 41-21=20, Resulting Numbers: [40, 20] Generated Node #3: [40, 20] from Operation: 41-21=20 Current State: 20:[40, 20], Operations: ['39+1=40', '41-21=20'] Exploring Operation: 40-20=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[39, 1, 21, 41], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [1, 21, 2] Generated Node #0,0: 20:[1, 21, 2] Operation: 41-39=2 Exploring Operation: 41-21=20, Resulting Numbers: [39, 1, 20] Generated Node #0,1: 20:[39, 1, 20] Operation: 41-21=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[1, 21, 2], Operations: ['41-39=2'] Exploring Operation: 21-1=20, Resulting Numbers: [2, 20] Generated Node #0,0,0: 20:[2, 20] Operation: 21-1=20 Exploring Operation: 1*21=21, Resulting Numbers: [2, 21] Generated Node #0,0,1: 20:[2, 21] Operation: 1*21=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[2, 20], Operations: ['41-39=2', '21-1=20'] Exploring Operation: 2+20=22, Resulting Numbers: [22] 22,20 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[2, 21], Operations: ['41-39=2', '1*21=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[39, 1, 20], Operations: ['41-21=20'] Exploring Operation: 39-1=38, Resulting Numbers: [20, 38] Generated Node #0,1,0: 20:[20, 38] Operation: 39-1=38 Exploring Operation: 39-20=19, Resulting Numbers: [1, 19] Generated Node #0,1,1: 20:[1, 19] Operation: 39-20=19 Moving to Node #0,1,1 Current State: 20:[1, 19], Operations: ['41-21=20', '39-20=19'] Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[39, 1, 21, 41], Operations: [] Exploring Operation: 41-21=20, Resulting Numbers: [39, 1, 20] Generated Node #0,1: 20:[39, 1, 20] Operation: 41-21=20 Moving to Node #0,1 Current State: 20:[39, 1, 20], Operations: ['41-21=20'] Exploring Operation: 39-20=19, Resulting Numbers: [1, 19] Generated Node #0,1,1: 20:[1, 19] Operation: 39-20=19 Moving to Node #0,1,1 Current State: 20:[1, 19], Operations: ['41-21=20', '39-20=19'] Exploring Operation: 1+19=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
mult_heuristic
[ 35, 63, 30, 4 ]
97
[ "63-30=33", "4*33=132", "132-35=97" ]
Current State: 97:[35, 63, 30, 4], Operations: [] Exploring Operation: 63-30=33, Resulting Numbers: [35, 4, 33] Generated Node #2: [35, 4, 33] from Operation: 63-30=33 Current State: 97:[35, 4, 33], Operations: ['63-30=33'] Exploring Operation: 4*33=132, Resulting Numbers: [35, 132] Generated Node #3: [35, 132] from Operation: 4*33=132 Current State: 97:[35, 132], Operations: ['63-30=33', '4*33=132'] Exploring Operation: 132-35=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[35, 63, 30, 4], Operations: [] Exploring Operation: 30*4=120, Resulting Numbers: [35, 63, 120] Generated Node #0,0: 97:[35, 63, 120] Operation: 30*4=120 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[35, 63, 120], Operations: ['30*4=120'] Exploring Operation: 35+63=98, Resulting Numbers: [120, 98] Generated Node #0,0,0: 97:[120, 98] Operation: 35+63=98 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[120, 98], Operations: ['30*4=120', '35+63=98'] Exploring Operation: 120-98=22, Resulting Numbers: [22] 22,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 95, 22, 14, 93 ]
50
[ "95-93=2", "14*2=28", "22+28=50" ]
Current State: 50:[95, 22, 14, 93], Operations: [] Exploring Operation: 95-93=2, Resulting Numbers: [22, 14, 2] Generated Node #2: [22, 14, 2] from Operation: 95-93=2 Current State: 50:[22, 14, 2], Operations: ['95-93=2'] Exploring Operation: 14*2=28, Resulting Numbers: [22, 28] Generated Node #3: [22, 28] from Operation: 14*2=28 Current State: 50:[22, 28], Operations: ['95-93=2', '14*2=28'] Exploring Operation: 22+28=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[95, 22, 14, 93], Operations: [] Exploring Operation: 95-22=73, Resulting Numbers: [14, 93, 73] Generated Node #0,0: 50:[14, 93, 73] Operation: 95-22=73 Exploring Operation: 95-93=2, Resulting Numbers: [22, 14, 2] Generated Node #0,1: 50:[22, 14, 2] Operation: 95-93=2 Moving to Node #0,1 Current State: 50:[22, 14, 2], Operations: ['95-93=2'] Exploring Operation: 22-14=8, Resulting Numbers: [2, 8] Generated Node #0,1,0: 50:[2, 8] Operation: 22-14=8 Exploring Operation: 22+2=24, Resulting Numbers: [14, 24] Generated Node #0,1,1: 50:[14, 24] Operation: 22+2=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 50:[2, 8], Operations: ['95-93=2', '22-14=8'] Exploring Operation: 2+8=10, Resulting Numbers: [10] 10,50 unequal: No Solution Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 50:[14, 24], Operations: ['95-93=2', '22+2=24'] Exploring Operation: 14+24=38, Resulting Numbers: [38] 38,50 unequal: No Solution Exploring Operation: 24-14=10, Resulting Numbers: [10] 10,50 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: 50:[14, 93, 73], Operations: ['95-22=73'] Exploring Operation: 93-14=79, Resulting Numbers: [73, 79] Generated Node #0,0,0: 50:[73, 79] Operation: 93-14=79 Exploring Operation: 93-73=20, Resulting Numbers: [14, 20] Generated Node #0,0,1: 50:[14, 20] Operation: 93-73=20 Moving to Node #0,0,1 Current State: 50:[14, 20], Operations: ['95-22=73', '93-73=20'] Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,50 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[73, 79], Operations: ['95-22=73', '93-14=79'] Exploring Operation: 73+79=152, Resulting Numbers: [152] 152,50 unequal: No Solution Exploring Operation: 79-73=6, Resulting Numbers: [6] 6,50 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 25, 33, 8, 67 ]
30
[ "8+67=75", "75/25=3", "33-3=30" ]
Current State: 30:[25, 33, 8, 67], Operations: [] Exploring Operation: 8+67=75, Resulting Numbers: [25, 33, 75] Generated Node #2: [25, 33, 75] from Operation: 8+67=75 Current State: 30:[25, 33, 75], Operations: ['8+67=75'] Exploring Operation: 75/25=3, Resulting Numbers: [33, 3] Generated Node #3: [33, 3] from Operation: 75/25=3 Current State: 30:[33, 3], Operations: ['8+67=75', '75/25=3'] Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[25, 33, 8, 67], Operations: [] Exploring Operation: 67-33=34, Resulting Numbers: [25, 8, 34] Generated Node #0,0: 30:[25, 8, 34] Operation: 67-33=34 Moving to Node #0,0 Current State: 30:[25, 8, 34], Operations: ['67-33=34'] Exploring Operation: 34-25=9, Resulting Numbers: [8, 9] Generated Node #0,0,0: 30:[8, 9] Operation: 34-25=9 Moving to Node #0,0,0 Current State: 30:[8, 9], Operations: ['67-33=34', '34-25=9'] Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,30 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 21, 85, 13, 20 ]
18
[ "85+20=105", "105/21=5", "13+5=18" ]
Current State: 18:[21, 85, 13, 20], Operations: [] Exploring Operation: 85+20=105, Resulting Numbers: [21, 13, 105] Generated Node #2: [21, 13, 105] from Operation: 85+20=105 Current State: 18:[21, 13, 105], Operations: ['85+20=105'] Exploring Operation: 105/21=5, Resulting Numbers: [13, 5] Generated Node #3: [13, 5] from Operation: 105/21=5 Current State: 18:[13, 5], Operations: ['85+20=105', '105/21=5'] Exploring Operation: 13+5=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[21, 85, 13, 20], Operations: [] Exploring Operation: 21-13=8, Resulting Numbers: [85, 20, 8] Generated Node #0,0: 18:[85, 20, 8] Operation: 21-13=8 Exploring Operation: 85-13=72, Resulting Numbers: [21, 20, 72] Generated Node #0,1: 18:[21, 20, 72] Operation: 85-13=72 Exploring Operation: 20-13=7, Resulting Numbers: [21, 85, 7] Generated Node #0,2: 18:[21, 85, 7] Operation: 20-13=7 Exploring Operation: 85-21=64, Resulting Numbers: [13, 20, 64] Generated Node #0,3: 18:[13, 20, 64] Operation: 85-21=64 Exploring Operation: 85-20=65, Resulting Numbers: [21, 13, 65] Generated Node #0,4: 18:[21, 13, 65] Operation: 85-20=65 Moving to Node #0,3 Current State: 18:[13, 20, 64], Operations: ['85-21=64'] Exploring Operation: 20-13=7, Resulting Numbers: [64, 7] Generated Node #0,3,0: 18:[64, 7] Operation: 20-13=7 Exploring Operation: 13+64=77, Resulting Numbers: [20, 77] Generated Node #0,3,1: 18:[20, 77] Operation: 13+64=77 Exploring Operation: 64-20=44, Resulting Numbers: [13, 44] Generated Node #0,3,2: 18:[13, 44] Operation: 64-20=44 Exploring Operation: 64-13=51, Resulting Numbers: [20, 51] Generated Node #0,3,3: 18:[20, 51] Operation: 64-13=51 Exploring Operation: 13+20=33, Resulting Numbers: [64, 33] Generated Node #0,3,4: 18:[64, 33] Operation: 13+20=33 Moving to Node #0,4 Current State: 18:[21, 13, 65], Operations: ['85-20=65'] Exploring Operation: 65/13=5, Resulting Numbers: [21, 5] Generated Node #0,4,0: 18:[21, 5] Operation: 65/13=5 Exploring Operation: 65-13=52, Resulting Numbers: [21, 52] Generated Node #0,4,1: 18:[21, 52] Operation: 65-13=52 Exploring Operation: 65-21=44, Resulting Numbers: [13, 44] Generated Node #0,4,2: 18:[13, 44] Operation: 65-21=44 Exploring Operation: 21-13=8, Resulting Numbers: [65, 8] Generated Node #0,4,3: 18:[65, 8] Operation: 21-13=8 Exploring Operation: 21+13=34, Resulting Numbers: [65, 34] Generated Node #0,4,4: 18:[65, 34] Operation: 21+13=34 Moving to Node #0,1 Current State: 18:[21, 20, 72], Operations: ['85-13=72'] Exploring Operation: 72-21=51, Resulting Numbers: [20, 51] Generated Node #0,1,0: 18:[20, 51] Operation: 72-21=51 Exploring Operation: 72-20=52, Resulting Numbers: [21, 52] Generated Node #0,1,1: 18:[21, 52] Operation: 72-20=52 Exploring Operation: 21+72=93, Resulting Numbers: [20, 93] Generated Node #0,1,2: 18:[20, 93] Operation: 21+72=93 Exploring Operation: 21+20=41, Resulting Numbers: [72, 41] Generated Node #0,1,3: 18:[72, 41] Operation: 21+20=41 Exploring Operation: 21-20=1, Resulting Numbers: [72, 1] Generated Node #0,1,4: 18:[72, 1] Operation: 21-20=1 Moving to Node #0,0 Current State: 18:[85, 20, 8], Operations: ['21-13=8'] Exploring Operation: 20-8=12, Resulting Numbers: [85, 12] Generated Node #0,0,0: 18:[85, 12] Operation: 20-8=12 Exploring Operation: 20+8=28, Resulting Numbers: [85, 28] Generated Node #0,0,1: 18:[85, 28] Operation: 20+8=28 Exploring Operation: 85+8=93, Resulting Numbers: [20, 93] Generated Node #0,0,2: 18:[20, 93] Operation: 85+8=93 Exploring Operation: 85-8=77, Resulting Numbers: [20, 77] Generated Node #0,0,3: 18:[20, 77] Operation: 85-8=77 Exploring Operation: 85-20=65, Resulting Numbers: [8, 65] Generated Node #0,0,4: 18:[8, 65] Operation: 85-20=65 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 18:[8, 65], Operations: ['21-13=8', '85-20=65'] Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 8*65=520, Resulting Numbers: [520] 520,18 unequal: No Solution Exploring Operation: 8+65=73, Resulting Numbers: [73] 73,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 18:[20, 77], Operations: ['21-13=8', '85-8=77'] Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 20*77=1540, Resulting Numbers: [1540] 1540,18 unequal: No Solution Exploring Operation: 20+77=97, Resulting Numbers: [97] 97,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 18:[85, 12], Operations: ['21-13=8', '20-8=12'] Exploring Operation: 85+12=97, Resulting Numbers: [97] 97,18 unequal: No Solution Exploring Operation: 85-12=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 85*12=1020, Resulting Numbers: [1020] 1020,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[85, 28], Operations: ['21-13=8', '20+8=28'] Exploring Operation: 85+28=113, Resulting Numbers: [113] 113,18 unequal: No Solution Exploring Operation: 85-28=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 85*28=2380, Resulting Numbers: [2380] 2380,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 18:[20, 93], Operations: ['21-13=8', '85+8=93'] Exploring Operation: 93-20=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 20*93=1860, Resulting Numbers: [1860] 1860,18 unequal: No Solution Exploring Operation: 20+93=113, Resulting Numbers: [113] 113,18 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: 18:[21, 85, 7], Operations: ['20-13=7'] Exploring Operation: 21-7=14, Resulting Numbers: [85, 14] Generated Node #0,2,0: 18:[85, 14] Operation: 21-7=14 Exploring Operation: 85-7=78, Resulting Numbers: [21, 78] Generated Node #0,2,1: 18:[21, 78] Operation: 85-7=78 Exploring Operation: 85-21=64, Resulting Numbers: [7, 64] Generated Node #0,2,2: 18:[7, 64] Operation: 85-21=64 Exploring Operation: 21+7=28, Resulting Numbers: [85, 28] Generated Node #0,2,3: 18:[85, 28] Operation: 21+7=28 Exploring Operation: 21/7=3, Resulting Numbers: [85, 3] Generated Node #0,2,4: 18:[85, 3] Operation: 21/7=3 Moving to Node #0,4,0 Current State: 18:[21, 5], Operations: ['85-20=65', '65/13=5'] Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,18 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,18 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,18 unequal: No Solution Moving to Node #0,3,2 Current State: 18:[13, 44], Operations: ['85-21=64', '64-20=44'] Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 13+44=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 13*44=572, Resulting Numbers: [572] 572,18 unequal: No Solution Moving to Node #0,4,2 Current State: 18:[13, 44], Operations: ['85-20=65', '65-21=44'] Exploring Operation: 13+44=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 44-13=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 13*44=572, Resulting Numbers: [572] 572,18 unequal: No Solution Moving to Node #0,3,3 Current State: 18:[20, 51], Operations: ['85-21=64', '64-13=51'] Exploring Operation: 20+51=71, Resulting Numbers: [71] 71,18 unequal: No Solution Exploring Operation: 20*51=1020, Resulting Numbers: [1020] 1020,18 unequal: No Solution Exploring Operation: 51-20=31, Resulting Numbers: [31] 31,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[20, 51], Operations: ['85-13=72', '72-21=51'] Exploring Operation: 20*51=1020, Resulting Numbers: [1020] 1020,18 unequal: No Solution Exploring Operation: 20+51=71, Resulting Numbers: [71] 71,18 unequal: No Solution Exploring Operation: 51-20=31, Resulting Numbers: [31] 31,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[21, 52], Operations: ['85-13=72', '72-20=52'] Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 21+52=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 21*52=1092, Resulting Numbers: [1092] 1092,18 unequal: No Solution Moving to Node #0,4,1 Current State: 18:[21, 52], Operations: ['85-20=65', '65-13=52'] Exploring Operation: 21*52=1092, Resulting Numbers: [1092] 1092,18 unequal: No Solution Exploring Operation: 52-21=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 21+52=73, Resulting Numbers: [73] 73,18 unequal: No Solution Moving to Node #0,3,0 Current State: 18:[64, 7], Operations: ['85-21=64', '20-13=7'] Exploring Operation: 64+7=71, Resulting Numbers: [71] 71,18 unequal: No Solution Exploring Operation: 64*7=448, Resulting Numbers: [448] 448,18 unequal: No Solution Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,18 unequal: No Solution Moving to Node #0,2,2 Current State: 18:[7, 64], Operations: ['20-13=7', '85-21=64'] Exploring Operation: 7*64=448, Resulting Numbers: [448] 448,18 unequal: No Solution Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 7+64=71, Resulting Numbers: [71] 71,18 unequal: No Solution Moving to Node #0,4,3 Current State: 18:[65, 8], Operations: ['85-20=65', '21-13=8'] Exploring Operation: 65+8=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 65*8=520, Resulting Numbers: [520] 520,18 unequal: No Solution Moving to Node #0,1,4 Current State: 18:[72, 1], Operations: ['85-13=72', '21-20=1'] Exploring Operation: 72+1=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 72*1=72, Resulting Numbers: [72] 72,18 unequal: No Solution Exploring Operation: 72/1=72, Resulting Numbers: [72] 72,18 unequal: No Solution Exploring Operation: 72-1=71, Resulting Numbers: [71] 71,18 unequal: No Solution Moving to Node #0,3,4 Current State: 18:[64, 33], Operations: ['85-21=64', '13+20=33'] Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 64*33=2112, Resulting Numbers: [2112] 2112,18 unequal: No Solution Exploring Operation: 64+33=97, Resulting Numbers: [97] 97,18 unequal: No Solution Moving to Node #0,3,1 Current State: 18:[20, 77], Operations: ['85-21=64', '13+64=77'] Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 20+77=97, Resulting Numbers: [97] 97,18 unequal: No Solution Exploring Operation: 20*77=1540, Resulting Numbers: [1540] 1540,18 unequal: No Solution Moving to Node #0,2,1 Current State: 18:[21, 78], Operations: ['20-13=7', '85-7=78'] Exploring Operation: 78-21=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 21*78=1638, Resulting Numbers: [1638] 1638,18 unequal: No Solution Exploring Operation: 21+78=99, Resulting Numbers: [99] 99,18 unequal: No Solution Moving to Node #0,4,4 Current State: 18:[65, 34], Operations: ['85-20=65', '21+13=34'] Exploring Operation: 65-34=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 65*34=2210, Resulting Numbers: [2210] 2210,18 unequal: No Solution Exploring Operation: 65+34=99, Resulting Numbers: [99] 99,18 unequal: No Solution Moving to Node #0,2,4 Current State: 18:[85, 3], Operations: ['20-13=7', '21/7=3'] Exploring Operation: 85*3=255, Resulting Numbers: [255] 255,18 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,18 unequal: No Solution Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,18 unequal: No Solution Moving to Node #0,2,0 Current State: 18:[85, 14], Operations: ['20-13=7', '21-7=14'] Exploring Operation: 85-14=71, Resulting Numbers: [71] 71,18 unequal: No Solution Exploring Operation: 85*14=1190, Resulting Numbers: [1190] 1190,18 unequal: No Solution Exploring Operation: 85+14=99, Resulting Numbers: [99] 99,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[20, 93], Operations: ['85-13=72', '21+72=93'] Exploring Operation: 20+93=113, Resulting Numbers: [113] 113,18 unequal: No Solution Exploring Operation: 93-20=73, Resulting Numbers: [73] 73,18 unequal: No Solution Exploring Operation: 20*93=1860, Resulting Numbers: [1860] 1860,18 unequal: No Solution Moving to Node #0,1,3 Current State: 18:[72, 41], Operations: ['85-13=72', '21+20=41'] Exploring Operation: 72*41=2952, Resulting Numbers: [2952] 2952,18 unequal: No Solution Exploring Operation: 72-41=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 72+41=113, Resulting Numbers: [113] 113,18 unequal: No Solution Moving to Node #0,2,3 Current State: 18:[85, 28], Operations: ['20-13=7', '21+7=28'] Exploring Operation: 85+28=113, Resulting Numbers: [113] 113,18 unequal: No Solution Exploring Operation: 85-28=57, Resulting Numbers: [57] 57,18 unequal: No Solution Exploring Operation: 85*28=2380, Resulting Numbers: [2380] 2380,18 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 62, 77, 13, 70 ]
98
[ "77-62=15", "13+70=83", "15+83=98" ]
Current State: 98:[62, 77, 13, 70], Operations: [] Exploring Operation: 77-62=15, Resulting Numbers: [13, 70, 15] Generated Node #2: [13, 70, 15] from Operation: 77-62=15 Current State: 98:[13, 70, 15], Operations: ['77-62=15'] Exploring Operation: 13+70=83, Resulting Numbers: [15, 83] Generated Node #3: [15, 83] from Operation: 13+70=83 Current State: 98:[15, 83], Operations: ['77-62=15', '13+70=83'] Exploring Operation: 15+83=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[62, 77, 13, 70], Operations: [] Exploring Operation: 77-70=7, Resulting Numbers: [62, 13, 7] Generated Node #0,0: 98:[62, 13, 7] Operation: 77-70=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[62, 13, 7], Operations: ['77-70=7'] Exploring Operation: 62-13=49, Resulting Numbers: [7, 49] Generated Node #0,0,0: 98:[7, 49] Operation: 62-13=49 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[7, 49], Operations: ['77-70=7', '62-13=49'] Exploring Operation: 49/7=7, Resulting Numbers: [7] 7,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 63, 88, 21, 74 ]
13
[ "74-63=11", "88/11=8", "21-8=13" ]
Current State: 13:[63, 88, 21, 74], Operations: [] Exploring Operation: 74-63=11, Resulting Numbers: [88, 21, 11] Generated Node #2: [88, 21, 11] from Operation: 74-63=11 Current State: 13:[88, 21, 11], Operations: ['74-63=11'] Exploring Operation: 88/11=8, Resulting Numbers: [21, 8] Generated Node #3: [21, 8] from Operation: 88/11=8 Current State: 13:[21, 8], Operations: ['74-63=11', '88/11=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[63, 88, 21, 74], Operations: [] Exploring Operation: 88-74=14, Resulting Numbers: [63, 21, 14] Generated Node #0,0: 13:[63, 21, 14] Operation: 88-74=14 Exploring Operation: 63-21=42, Resulting Numbers: [88, 74, 42] Generated Node #0,1: 13:[88, 74, 42] Operation: 63-21=42 Exploring Operation: 88-63=25, Resulting Numbers: [21, 74, 25] Generated Node #0,2: 13:[21, 74, 25] Operation: 88-63=25 Exploring Operation: 74-63=11, Resulting Numbers: [88, 21, 11] Generated Node #0,3: 13:[88, 21, 11] Operation: 74-63=11 Exploring Operation: 63/21=3, Resulting Numbers: [88, 74, 3] Generated Node #0,4: 13:[88, 74, 3] Operation: 63/21=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[63, 21, 14], Operations: ['88-74=14'] Exploring Operation: 63+21=84, Resulting Numbers: [14, 84] Generated Node #0,0,0: 13:[14, 84] Operation: 63+21=84 Exploring Operation: 63-14=49, Resulting Numbers: [21, 49] Generated Node #0,0,1: 13:[21, 49] Operation: 63-14=49 Exploring Operation: 63-21=42, Resulting Numbers: [14, 42] Generated Node #0,0,2: 13:[14, 42] Operation: 63-21=42 Exploring Operation: 63/21=3, Resulting Numbers: [14, 3] Generated Node #0,0,3: 13:[14, 3] Operation: 63/21=3 Exploring Operation: 21-14=7, Resulting Numbers: [63, 7] Generated Node #0,0,4: 13:[63, 7] Operation: 21-14=7 Moving to Node #0,0,3 Current State: 13:[14, 3], Operations: ['88-74=14', '63/21=3'] Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,13 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,13 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[14, 42], Operations: ['88-74=14', '63-21=42'] Exploring Operation: 14*42=588, Resulting Numbers: [588] 588,13 unequal: No Solution Exploring Operation: 42/14=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 42-14=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 14+42=56, Resulting Numbers: [56] 56,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[21, 49], Operations: ['88-74=14', '63-14=49'] Exploring Operation: 21*49=1029, Resulting Numbers: [1029] 1029,13 unequal: No Solution Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 21+49=70, Resulting Numbers: [70] 70,13 unequal: No Solution Moving to Node #0,0,4 Current State: 13:[63, 7], Operations: ['88-74=14', '21-14=7'] Exploring Operation: 63+7=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 63/7=9, Resulting Numbers: [9] 9,13 unequal: No Solution Exploring Operation: 63-7=56, Resulting Numbers: [56] 56,13 unequal: No Solution Exploring Operation: 63*7=441, Resulting Numbers: [441] 441,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[14, 84], Operations: ['88-74=14', '63+21=84'] Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,13 unequal: No Solution Exploring Operation: 14*84=1176, Resulting Numbers: [1176] 1176,13 unequal: No Solution Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 14+84=98, Resulting Numbers: [98] 98,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[21, 74, 25], Operations: ['88-63=25'] Exploring Operation: 21+74=95, Resulting Numbers: [25, 95] Generated Node #0,2,0: 13:[25, 95] Operation: 21+74=95 Exploring Operation: 74-25=49, Resulting Numbers: [21, 49] Generated Node #0,2,1: 13:[21, 49] Operation: 74-25=49 Exploring Operation: 25-21=4, Resulting Numbers: [74, 4] Generated Node #0,2,2: 13:[74, 4] Operation: 25-21=4 Exploring Operation: 74-21=53, Resulting Numbers: [25, 53] Generated Node #0,2,3: 13:[25, 53] Operation: 74-21=53 Exploring Operation: 21+25=46, Resulting Numbers: [74, 46] Generated Node #0,2,4: 13:[74, 46] Operation: 21+25=46 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 13:[21, 49], Operations: ['88-63=25', '74-25=49'] Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 21+49=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 21*49=1029, Resulting Numbers: [1029] 1029,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 13:[25, 53], Operations: ['88-63=25', '74-21=53'] Exploring Operation: 25*53=1325, Resulting Numbers: [1325] 1325,13 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 25+53=78, Resulting Numbers: [78] 78,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 13:[74, 4], Operations: ['88-63=25', '25-21=4'] Exploring Operation: 74-4=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 74*4=296, Resulting Numbers: [296] 296,13 unequal: No Solution Exploring Operation: 74+4=78, Resulting Numbers: [78] 78,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 13:[25, 95], Operations: ['88-63=25', '21+74=95'] Exploring Operation: 25+95=120, Resulting Numbers: [120] 120,13 unequal: No Solution Exploring Operation: 25*95=2375, Resulting Numbers: [2375] 2375,13 unequal: No Solution Exploring Operation: 95-25=70, Resulting Numbers: [70] 70,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 13:[74, 46], Operations: ['88-63=25', '21+25=46'] Exploring Operation: 74+46=120, Resulting Numbers: [120] 120,13 unequal: No Solution Exploring Operation: 74-46=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 74*46=3404, Resulting Numbers: [3404] 3404,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 13:[88, 21, 11], Operations: ['74-63=11'] Exploring Operation: 88-21=67, Resulting Numbers: [11, 67] Generated Node #0,3,0: 13:[11, 67] Operation: 88-21=67 Exploring Operation: 88+11=99, Resulting Numbers: [21, 99] Generated Node #0,3,1: 13:[21, 99] Operation: 88+11=99 Exploring Operation: 21-11=10, Resulting Numbers: [88, 10] Generated Node #0,3,2: 13:[88, 10] Operation: 21-11=10 Exploring Operation: 88-11=77, Resulting Numbers: [21, 77] Generated Node #0,3,3: 13:[21, 77] Operation: 88-11=77 Exploring Operation: 88/11=8, Resulting Numbers: [21, 8] Generated Node #0,3,4: 13:[21, 8] Operation: 88/11=8 Moving to Node #0,3,4 Current State: 13:[21, 8], Operations: ['74-63=11', '88/11=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[63, 88, 21, 74], Operations: [] Exploring Operation: 74-63=11, Resulting Numbers: [88, 21, 11] Generated Node #0,3: 13:[88, 21, 11] Operation: 74-63=11 Moving to Node #0,3 Current State: 13:[88, 21, 11], Operations: ['74-63=11'] Exploring Operation: 88/11=8, Resulting Numbers: [21, 8] Generated Node #0,3,4: 13:[21, 8] Operation: 88/11=8 Moving to Node #0,3,4 Current State: 13:[21, 8], Operations: ['74-63=11', '88/11=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.949653
hs_5
mult_heuristic
[ 66, 10, 46, 32 ]
16
[ "66-46=20", "10*32=320", "320/20=16" ]
Current State: 16:[66, 10, 46, 32], Operations: [] Exploring Operation: 66-46=20, Resulting Numbers: [10, 32, 20] Generated Node #2: [10, 32, 20] from Operation: 66-46=20 Current State: 16:[10, 32, 20], Operations: ['66-46=20'] Exploring Operation: 10*32=320, Resulting Numbers: [20, 320] Generated Node #3: [20, 320] from Operation: 10*32=320 Current State: 16:[20, 320], Operations: ['66-46=20', '10*32=320'] Exploring Operation: 320/20=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[66, 10, 46, 32], Operations: [] Exploring Operation: 66-46=20, Resulting Numbers: [10, 32, 20] Generated Node #0,0: 16:[10, 32, 20] Operation: 66-46=20 Moving to Node #0,0 Current State: 16:[10, 32, 20], Operations: ['66-46=20'] Exploring Operation: 32-20=12, Resulting Numbers: [10, 12] Generated Node #0,0,0: 16:[10, 12] Operation: 32-20=12 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[10, 12], Operations: ['66-46=20', '32-20=12'] Exploring Operation: 12-10=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 16, 94, 88, 11 ]
86
[ "94-16=78", "88/11=8", "78+8=86" ]
Current State: 86:[16, 94, 88, 11], Operations: [] Exploring Operation: 94-16=78, Resulting Numbers: [88, 11, 78] Generated Node #2: [88, 11, 78] from Operation: 94-16=78 Current State: 86:[88, 11, 78], Operations: ['94-16=78'] Exploring Operation: 88/11=8, Resulting Numbers: [78, 8] Generated Node #3: [78, 8] from Operation: 88/11=8 Current State: 86:[78, 8], Operations: ['94-16=78', '88/11=8'] Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[16, 94, 88, 11], Operations: [] Exploring Operation: 16+11=27, Resulting Numbers: [94, 88, 27] Generated Node #0,0: 86:[94, 88, 27] Operation: 16+11=27 Exploring Operation: 94-11=83, Resulting Numbers: [16, 88, 83] Generated Node #0,1: 86:[16, 88, 83] Operation: 94-11=83 Exploring Operation: 94-88=6, Resulting Numbers: [16, 11, 6] Generated Node #0,2: 86:[16, 11, 6] Operation: 94-88=6 Exploring Operation: 94-16=78, Resulting Numbers: [88, 11, 78] Generated Node #0,3: 86:[88, 11, 78] Operation: 94-16=78 Exploring Operation: 16-11=5, Resulting Numbers: [94, 88, 5] Generated Node #0,4: 86:[94, 88, 5] Operation: 16-11=5 Moving to Node #0,4 Current State: 86:[94, 88, 5], Operations: ['16-11=5'] Exploring Operation: 88-5=83, Resulting Numbers: [94, 83] Generated Node #0,4,0: 86:[94, 83] Operation: 88-5=83 Exploring Operation: 94-88=6, Resulting Numbers: [5, 6] Generated Node #0,4,1: 86:[5, 6] Operation: 94-88=6 Exploring Operation: 88+5=93, Resulting Numbers: [94, 93] Generated Node #0,4,2: 86:[94, 93] Operation: 88+5=93 Exploring Operation: 94+5=99, Resulting Numbers: [88, 99] Generated Node #0,4,3: 86:[88, 99] Operation: 94+5=99 Exploring Operation: 94-5=89, Resulting Numbers: [88, 89] Generated Node #0,4,4: 86:[88, 89] Operation: 94-5=89 Moving to Node #0,3 Current State: 86:[88, 11, 78], Operations: ['94-16=78'] Exploring Operation: 88-78=10, Resulting Numbers: [11, 10] Generated Node #0,3,0: 86:[11, 10] Operation: 88-78=10 Exploring Operation: 88-11=77, Resulting Numbers: [78, 77] Generated Node #0,3,1: 86:[78, 77] Operation: 88-11=77 Exploring Operation: 88/11=8, Resulting Numbers: [78, 8] Generated Node #0,3,2: 86:[78, 8] Operation: 88/11=8 Exploring Operation: 88+11=99, Resulting Numbers: [78, 99] Generated Node #0,3,3: 86:[78, 99] Operation: 88+11=99 Exploring Operation: 11+78=89, Resulting Numbers: [88, 89] Generated Node #0,3,4: 86:[88, 89] Operation: 11+78=89 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 86:[88, 89], Operations: ['94-16=78', '11+78=89'] Exploring Operation: 88*89=7832, Resulting Numbers: [7832] 7832,86 unequal: No Solution Exploring Operation: 89-88=1, Resulting Numbers: [1] 1,86 unequal: No Solution Exploring Operation: 88+89=177, Resulting Numbers: [177] 177,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 86:[78, 8], Operations: ['94-16=78', '88/11=8'] Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[16, 94, 88, 11], Operations: [] Exploring Operation: 94-16=78, Resulting Numbers: [88, 11, 78] Generated Node #0,3: 86:[88, 11, 78] Operation: 94-16=78 Moving to Node #0,3 Current State: 86:[88, 11, 78], Operations: ['94-16=78'] Exploring Operation: 88/11=8, Resulting Numbers: [78, 8] Generated Node #0,3,2: 86:[78, 8] Operation: 88/11=8 Moving to Node #0,3,2 Current State: 86:[78, 8], Operations: ['94-16=78', '88/11=8'] Exploring Operation: 78+8=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_5
sum_heuristic
[ 47, 33, 57, 44 ]
30
[ "47-44=3", "33+57=90", "90/3=30" ]
Current State: 30:[47, 33, 57, 44], Operations: [] Exploring Operation: 47-44=3, Resulting Numbers: [33, 57, 3] Generated Node #2: [33, 57, 3] from Operation: 47-44=3 Current State: 30:[33, 57, 3], Operations: ['47-44=3'] Exploring Operation: 33+57=90, Resulting Numbers: [3, 90] Generated Node #3: [3, 90] from Operation: 33+57=90 Current State: 30:[3, 90], Operations: ['47-44=3', '33+57=90'] Exploring Operation: 90/3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[47, 33, 57, 44], Operations: [] Exploring Operation: 57-44=13, Resulting Numbers: [47, 33, 13] Generated Node #0,0: 30:[47, 33, 13] Operation: 57-44=13 Exploring Operation: 57-47=10, Resulting Numbers: [33, 44, 10] Generated Node #0,1: 30:[33, 44, 10] Operation: 57-47=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[33, 44, 10], Operations: ['57-47=10'] Exploring Operation: 44-33=11, Resulting Numbers: [10, 11] Generated Node #0,1,0: 30:[10, 11] Operation: 44-33=11 Exploring Operation: 44-10=34, Resulting Numbers: [33, 34] Generated Node #0,1,1: 30:[33, 34] Operation: 44-10=34 Moving to Node #0,1,0 Current State: 30:[10, 11], Operations: ['57-47=10', '44-33=11'] Exploring Operation: 10+11=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[33, 34], Operations: ['57-47=10', '44-10=34'] Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 33+34=67, Resulting Numbers: [67] 67,30 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 #0,0 Current State: 30:[47, 33, 13], Operations: ['57-44=13'] Exploring Operation: 47-33=14, Resulting Numbers: [13, 14] Generated Node #0,0,0: 30:[13, 14] Operation: 47-33=14 Exploring Operation: 47-13=34, Resulting Numbers: [33, 34] Generated Node #0,0,1: 30:[33, 34] Operation: 47-13=34 Moving to Node #0,0,0 Current State: 30:[13, 14], Operations: ['57-44=13', '47-33=14'] Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[33, 34], Operations: ['57-44=13', '47-13=34'] Exploring Operation: 33+34=67, Resulting Numbers: [67] 67,30 unequal: No Solution Exploring Operation: 34-33=1, Resulting Numbers: [1] 1,30 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
[ 64, 45, 49, 98 ]
82
[ "49-45=4", "64/4=16", "98-16=82" ]
Current State: 82:[64, 45, 49, 98], Operations: [] Exploring Operation: 49-45=4, Resulting Numbers: [64, 98, 4] Generated Node #2: [64, 98, 4] from Operation: 49-45=4 Current State: 82:[64, 98, 4], Operations: ['49-45=4'] Exploring Operation: 64/4=16, Resulting Numbers: [98, 16] Generated Node #3: [98, 16] from Operation: 64/4=16 Current State: 82:[98, 16], Operations: ['49-45=4', '64/4=16'] Exploring Operation: 98-16=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[64, 45, 49, 98], Operations: [] Exploring Operation: 98/49=2, Resulting Numbers: [64, 45, 2] Generated Node #0,0: 82:[64, 45, 2] Operation: 98/49=2 Exploring Operation: 98-64=34, Resulting Numbers: [45, 49, 34] Generated Node #0,1: 82:[45, 49, 34] Operation: 98-64=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[45, 49, 34], Operations: ['98-64=34'] Exploring Operation: 49-45=4, Resulting Numbers: [34, 4] Generated Node #0,1,0: 82:[34, 4] Operation: 49-45=4 Exploring Operation: 49+34=83, Resulting Numbers: [45, 83] Generated Node #0,1,1: 82:[45, 83] Operation: 49+34=83 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[45, 83], Operations: ['98-64=34', '49+34=83'] Exploring Operation: 45+83=128, Resulting Numbers: [128] 128,82 unequal: No Solution Exploring Operation: 83-45=38, Resulting Numbers: [38] 38,82 unequal: No Solution No 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: 82:[34, 4], Operations: ['98-64=34', '49-45=4'] Exploring Operation: 34+4=38, Resulting Numbers: [38] 38,82 unequal: No Solution Exploring Operation: 34-4=30, Resulting Numbers: [30] 30,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[64, 45, 2], Operations: ['98/49=2'] Exploring Operation: 64-45=19, Resulting Numbers: [2, 19] Generated Node #0,0,0: 82:[2, 19] Operation: 64-45=19 Exploring Operation: 64/2=32, Resulting Numbers: [45, 32] Generated Node #0,0,1: 82:[45, 32] Operation: 64/2=32 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[45, 32], Operations: ['98/49=2', '64/2=32'] Exploring Operation: 45+32=77, Resulting Numbers: [77] 77,82 unequal: No Solution Exploring Operation: 45-32=13, Resulting Numbers: [13] 13,82 unequal: No Solution No 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: 82:[2, 19], Operations: ['98/49=2', '64-45=19'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,82 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 9, 16, 4, 68 ]
57
[ "16-9=7", "68-4=64", "64-7=57" ]
Current State: 57:[9, 16, 4, 68], Operations: [] Exploring Operation: 16-9=7, Resulting Numbers: [4, 68, 7] Generated Node #2: [4, 68, 7] from Operation: 16-9=7 Current State: 57:[4, 68, 7], Operations: ['16-9=7'] Exploring Operation: 68-4=64, Resulting Numbers: [7, 64] Generated Node #3: [7, 64] from Operation: 68-4=64 Current State: 57:[7, 64], Operations: ['16-9=7', '68-4=64'] Exploring Operation: 64-7=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[9, 16, 4, 68], Operations: [] Exploring Operation: 68-9=59, Resulting Numbers: [16, 4, 59] Generated Node #0,0: 57:[16, 4, 59] Operation: 68-9=59 Exploring Operation: 68/4=17, Resulting Numbers: [9, 16, 17] Generated Node #0,1: 57:[9, 16, 17] Operation: 68/4=17 Moving to Node #0,0 Current State: 57:[16, 4, 59], Operations: ['68-9=59'] Exploring Operation: 16+4=20, Resulting Numbers: [59, 20] Generated Node #0,0,0: 57:[59, 20] Operation: 16+4=20 Exploring Operation: 16/4=4, Resulting Numbers: [59, 4] Generated Node #0,0,1: 57:[59, 4] Operation: 16/4=4 Moving to Node #0,1 Current State: 57:[9, 16, 17], Operations: ['68/4=17'] Exploring Operation: 9+16=25, Resulting Numbers: [17, 25] Generated Node #0,1,0: 57:[17, 25] Operation: 9+16=25 Exploring Operation: 16-9=7, Resulting Numbers: [17, 7] Generated Node #0,1,1: 57:[17, 7] Operation: 16-9=7 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 57:[17, 7], Operations: ['68/4=17', '16-9=7'] Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,57 unequal: No Solution Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,57 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 57:[17, 25], Operations: ['68/4=17', '9+16=25'] Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,57 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,57 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: 57:[59, 20], Operations: ['68-9=59', '16+4=20'] Exploring Operation: 59-20=39, Resulting Numbers: [39] 39,57 unequal: No Solution Exploring Operation: 59+20=79, Resulting Numbers: [79] 79,57 unequal: No Solution Moving to Node #0,0,1 Current State: 57:[59, 4], Operations: ['68-9=59', '16/4=4'] Exploring Operation: 59-4=55, Resulting Numbers: [55] 55,57 unequal: No Solution Exploring Operation: 59+4=63, Resulting Numbers: [63] 63,57 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 5, 73, 8, 97 ]
72
[ "8-5=3", "97-73=24", "3*24=72" ]
Current State: 72:[5, 73, 8, 97], Operations: [] Exploring Operation: 8-5=3, Resulting Numbers: [73, 97, 3] Generated Node #2: [73, 97, 3] from Operation: 8-5=3 Current State: 72:[73, 97, 3], Operations: ['8-5=3'] Exploring Operation: 97-73=24, Resulting Numbers: [3, 24] Generated Node #3: [3, 24] from Operation: 97-73=24 Current State: 72:[3, 24], Operations: ['8-5=3', '97-73=24'] Exploring Operation: 3*24=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[5, 73, 8, 97], Operations: [] Exploring Operation: 8-5=3, Resulting Numbers: [73, 97, 3] Generated Node #0,0: 72:[73, 97, 3] Operation: 8-5=3 Exploring Operation: 97-73=24, Resulting Numbers: [5, 8, 24] Generated Node #0,1: 72:[5, 8, 24] Operation: 97-73=24 Exploring Operation: 97-5=92, Resulting Numbers: [73, 8, 92] Generated Node #0,2: 72:[73, 8, 92] Operation: 97-5=92 Exploring Operation: 97-8=89, Resulting Numbers: [5, 73, 89] Generated Node #0,3: 72:[5, 73, 89] Operation: 97-8=89 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[5, 8, 24], Operations: ['97-73=24'] Exploring Operation: 24-5=19, Resulting Numbers: [8, 19] Generated Node #0,1,0: 72:[8, 19] Operation: 24-5=19 Exploring Operation: 5+8=13, Resulting Numbers: [24, 13] Generated Node #0,1,1: 72:[24, 13] Operation: 5+8=13 Exploring Operation: 8-5=3, Resulting Numbers: [24, 3] Generated Node #0,1,2: 72:[24, 3] Operation: 8-5=3 Exploring Operation: 24/8=3, Resulting Numbers: [5, 3] Generated Node #0,1,3: 72:[5, 3] Operation: 24/8=3 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 72:[24, 3], Operations: ['97-73=24', '8-5=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[5, 73, 8, 97], Operations: [] Exploring Operation: 97-73=24, Resulting Numbers: [5, 8, 24] Generated Node #0,1: 72:[5, 8, 24] Operation: 97-73=24 Moving to Node #0,1 Current State: 72:[5, 8, 24], Operations: ['97-73=24'] Exploring Operation: 8-5=3, Resulting Numbers: [24, 3] Generated Node #0,1,2: 72:[24, 3] Operation: 8-5=3 Moving to Node #0,1,2 Current State: 72:[24, 3], Operations: ['97-73=24', '8-5=3'] Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
sum_heuristic
[ 52, 47, 94, 4 ]
74
[ "52-47=5", "4*5=20", "94-20=74" ]
Current State: 74:[52, 47, 94, 4], Operations: [] Exploring Operation: 52-47=5, Resulting Numbers: [94, 4, 5] Generated Node #2: [94, 4, 5] from Operation: 52-47=5 Current State: 74:[94, 4, 5], Operations: ['52-47=5'] Exploring Operation: 4*5=20, Resulting Numbers: [94, 20] Generated Node #3: [94, 20] from Operation: 4*5=20 Current State: 74:[94, 20], Operations: ['52-47=5', '4*5=20'] Exploring Operation: 94-20=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[52, 47, 94, 4], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [47, 4, 42] Generated Node #0,0: 74:[47, 4, 42] Operation: 94-52=42 Exploring Operation: 94/47=2, Resulting Numbers: [52, 4, 2] Generated Node #0,1: 74:[52, 4, 2] Operation: 94/47=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[47, 4, 42], Operations: ['94-52=42'] Exploring Operation: 47-42=5, Resulting Numbers: [4, 5] Generated Node #0,0,0: 74:[4, 5] Operation: 47-42=5 Exploring Operation: 47-4=43, Resulting Numbers: [42, 43] Generated Node #0,0,1: 74:[42, 43] Operation: 47-4=43 Moving to Node #0,0,0 Current State: 74:[4, 5], Operations: ['94-52=42', '47-42=5'] Exploring Operation: 4+5=9, Resulting Numbers: [9] 9,74 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[42, 43], Operations: ['94-52=42', '47-4=43'] Exploring Operation: 42+43=85, Resulting Numbers: [85] 85,74 unequal: No Solution Exploring Operation: 43-42=1, Resulting Numbers: [1] 1,74 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 Current State: 74:[52, 4, 2], Operations: ['94/47=2'] Exploring Operation: 52/4=13, Resulting Numbers: [2, 13] Generated Node #0,1,0: 74:[2, 13] Operation: 52/4=13 Exploring Operation: 52-4=48, Resulting Numbers: [2, 48] Generated Node #0,1,1: 74:[2, 48] Operation: 52-4=48 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 74:[2, 13], Operations: ['94/47=2', '52/4=13'] Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,74 unequal: No Solution Exploring Operation: 13-2=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 #0,1,1 Current State: 74:[2, 48], Operations: ['94/47=2', '52-4=48'] Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,74 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,74 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 No solution found.
0
hs_2
mult_heuristic
[ 46, 20, 38, 48 ]
35
[ "46+38=84", "20*84=1680", "1680/48=35" ]
Current State: 35:[46, 20, 38, 48], Operations: [] Exploring Operation: 46+38=84, Resulting Numbers: [20, 48, 84] Generated Node #2: [20, 48, 84] from Operation: 46+38=84 Current State: 35:[20, 48, 84], Operations: ['46+38=84'] Exploring Operation: 20*84=1680, Resulting Numbers: [48, 1680] Generated Node #3: [48, 1680] from Operation: 20*84=1680 Current State: 35:[48, 1680], Operations: ['46+38=84', '20*84=1680'] Exploring Operation: 1680/48=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[46, 20, 38, 48], Operations: [] Exploring Operation: 48-46=2, Resulting Numbers: [20, 38, 2] Generated Node #0,0: 35:[20, 38, 2] Operation: 48-46=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[20, 38, 2], Operations: ['48-46=2'] Exploring Operation: 20/2=10, Resulting Numbers: [38, 10] Generated Node #0,0,0: 35:[38, 10] Operation: 20/2=10 Moving to Node #0,0,0 Current State: 35:[38, 10], Operations: ['48-46=2', '20/2=10'] Exploring Operation: 38-10=28, Resulting Numbers: [28] 28,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 14, 5, 89, 98 ]
92
[ "89-5=84", "84/14=6", "98-6=92" ]
Current State: 92:[14, 5, 89, 98], Operations: [] Exploring Operation: 89-5=84, Resulting Numbers: [14, 98, 84] Generated Node #2: [14, 98, 84] from Operation: 89-5=84 Current State: 92:[14, 98, 84], Operations: ['89-5=84'] Exploring Operation: 84/14=6, Resulting Numbers: [98, 6] Generated Node #3: [98, 6] from Operation: 84/14=6 Current State: 92:[98, 6], Operations: ['89-5=84', '84/14=6'] Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[14, 5, 89, 98], Operations: [] Exploring Operation: 14+5=19, Resulting Numbers: [89, 98, 19] Generated Node #0,0: 92:[89, 98, 19] Operation: 14+5=19 Exploring Operation: 98-14=84, Resulting Numbers: [5, 89, 84] Generated Node #0,1: 92:[5, 89, 84] Operation: 98-14=84 Exploring Operation: 98/14=7, Resulting Numbers: [5, 89, 7] Generated Node #0,2: 92:[5, 89, 7] Operation: 98/14=7 Moving to Node #0,2 Current State: 92:[5, 89, 7], Operations: ['98/14=7'] Exploring Operation: 5+89=94, Resulting Numbers: [7, 94] Generated Node #0,2,0: 92:[7, 94] Operation: 5+89=94 Exploring Operation: 7-5=2, Resulting Numbers: [89, 2] Generated Node #0,2,1: 92:[89, 2] Operation: 7-5=2 Exploring Operation: 89+7=96, Resulting Numbers: [5, 96] Generated Node #0,2,2: 92:[5, 96] Operation: 89+7=96 Moving to Node #0,1 Current State: 92:[5, 89, 84], Operations: ['98-14=84'] Exploring Operation: 5+84=89, Resulting Numbers: [89, 89] Generated Node #0,1,0: 92:[89, 89] Operation: 5+84=89 Exploring Operation: 89-84=5, Resulting Numbers: [5, 5] Generated Node #0,1,1: 92:[5, 5] Operation: 89-84=5 Exploring Operation: 5+89=94, Resulting Numbers: [84, 94] Generated Node #0,1,2: 92:[84, 94] Operation: 5+89=94 Moving to Node #0,0 Current State: 92:[89, 98, 19], Operations: ['14+5=19'] Exploring Operation: 98-89=9, Resulting Numbers: [19, 9] Generated Node #0,0,0: 92:[19, 9] Operation: 98-89=9 Exploring Operation: 98-19=79, Resulting Numbers: [89, 79] Generated Node #0,0,1: 92:[89, 79] Operation: 98-19=79 Exploring Operation: 89+19=108, Resulting Numbers: [98, 108] Generated Node #0,0,2: 92:[98, 108] Operation: 89+19=108 Moving to Node #0,1,1 Current State: 92:[5, 5], Operations: ['98-14=84', '89-84=5'] Exploring Operation: 5-5=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 5*5=25, Resulting Numbers: [25] 25,92 unequal: No Solution Exploring Operation: 5/5=1, Resulting Numbers: [1] 1,92 unequal: No Solution Moving to Node #0,2,1 Current State: 92:[89, 2], Operations: ['98/14=7', '7-5=2'] Exploring Operation: 89+2=91, Resulting Numbers: [91] 91,92 unequal: No Solution Exploring Operation: 89*2=178, Resulting Numbers: [178] 178,92 unequal: No Solution Exploring Operation: 89-2=87, Resulting Numbers: [87] 87,92 unequal: No Solution Moving to Node #0,2,2 Current State: 92:[5, 96], Operations: ['98/14=7', '89+7=96'] Exploring Operation: 5+96=101, Resulting Numbers: [101] 101,92 unequal: No Solution Exploring Operation: 5*96=480, Resulting Numbers: [480] 480,92 unequal: No Solution Exploring Operation: 96-5=91, Resulting Numbers: [91] 91,92 unequal: No Solution Moving to Node #0,2,0 Current State: 92:[7, 94], Operations: ['98/14=7', '5+89=94'] Exploring Operation: 7+94=101, Resulting Numbers: [101] 101,92 unequal: No Solution Exploring Operation: 7*94=658, Resulting Numbers: [658] 658,92 unequal: No Solution Exploring Operation: 94-7=87, Resulting Numbers: [87] 87,92 unequal: No Solution Moving to Node #0,1,0 Current State: 92:[89, 89], Operations: ['98-14=84', '5+84=89'] Exploring Operation: 89-89=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 89/89=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 89+89=178, Resulting Numbers: [178] 178,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[19, 9], Operations: ['14+5=19', '98-89=9'] Exploring Operation: 19+9=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 19*9=171, Resulting Numbers: [171] 171,92 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,92 unequal: No Solution Moving to Node #0,1,2 Current State: 92:[84, 94], Operations: ['98-14=84', '5+89=94'] Exploring Operation: 84*94=7896, Resulting Numbers: [7896] 7896,92 unequal: No Solution Exploring Operation: 84+94=178, Resulting Numbers: [178] 178,92 unequal: No Solution Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[89, 79], Operations: ['14+5=19', '98-19=79'] Exploring Operation: 89-79=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 89+79=168, Resulting Numbers: [168] 168,92 unequal: No Solution Exploring Operation: 89*79=7031, Resulting Numbers: [7031] 7031,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[98, 108], Operations: ['14+5=19', '89+19=108'] Exploring Operation: 98*108=10584, Resulting Numbers: [10584] 10584,92 unequal: No Solution Exploring Operation: 108-98=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 98+108=206, Resulting Numbers: [206] 206,92 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 57, 76, 11, 13 ]
62
[ "76-11=65", "65/13=5", "57+5=62" ]
Current State: 62:[57, 76, 11, 13], Operations: [] Exploring Operation: 76-11=65, Resulting Numbers: [57, 13, 65] Generated Node #2: [57, 13, 65] from Operation: 76-11=65 Current State: 62:[57, 13, 65], Operations: ['76-11=65'] Exploring Operation: 65/13=5, Resulting Numbers: [57, 5] Generated Node #3: [57, 5] from Operation: 65/13=5 Current State: 62:[57, 5], Operations: ['76-11=65', '65/13=5'] Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[57, 76, 11, 13], Operations: [] Exploring Operation: 11+13=24, Resulting Numbers: [57, 76, 24] Generated Node #0,0: 62:[57, 76, 24] Operation: 11+13=24 Exploring Operation: 13-11=2, Resulting Numbers: [57, 76, 2] Generated Node #0,1: 62:[57, 76, 2] Operation: 13-11=2 Exploring Operation: 76-13=63, Resulting Numbers: [57, 11, 63] Generated Node #0,2: 62:[57, 11, 63] Operation: 76-13=63 Exploring Operation: 76-11=65, Resulting Numbers: [57, 13, 65] Generated Node #0,3: 62:[57, 13, 65] Operation: 76-11=65 Moving to Node #0,2 Current State: 62:[57, 11, 63], Operations: ['76-13=63'] Exploring Operation: 63-11=52, Resulting Numbers: [57, 52] Generated Node #0,2,0: 62:[57, 52] Operation: 63-11=52 Exploring Operation: 63-57=6, Resulting Numbers: [11, 6] Generated Node #0,2,1: 62:[11, 6] Operation: 63-57=6 Exploring Operation: 57-11=46, Resulting Numbers: [63, 46] Generated Node #0,2,2: 62:[63, 46] Operation: 57-11=46 Exploring Operation: 57+11=68, Resulting Numbers: [63, 68] Generated Node #0,2,3: 62:[63, 68] Operation: 57+11=68 Moving to Node #0,3 Current State: 62:[57, 13, 65], Operations: ['76-11=65'] Exploring Operation: 57-13=44, Resulting Numbers: [65, 44] Generated Node #0,3,0: 62:[65, 44] Operation: 57-13=44 Exploring Operation: 65-13=52, Resulting Numbers: [57, 52] Generated Node #0,3,1: 62:[57, 52] Operation: 65-13=52 Exploring Operation: 57+13=70, Resulting Numbers: [65, 70] Generated Node #0,3,2: 62:[65, 70] Operation: 57+13=70 Exploring Operation: 65/13=5, Resulting Numbers: [57, 5] Generated Node #0,3,3: 62:[57, 5] Operation: 65/13=5 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 62:[57, 5], Operations: ['76-11=65', '65/13=5'] Exploring Operation: 57-5=52, Resulting Numbers: [52] 52,62 unequal: No Solution Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[57, 76, 11, 13], Operations: [] Exploring Operation: 76-11=65, Resulting Numbers: [57, 13, 65] Generated Node #0,3: 62:[57, 13, 65] Operation: 76-11=65 Moving to Node #0,3 Current State: 62:[57, 13, 65], Operations: ['76-11=65'] Exploring Operation: 65/13=5, Resulting Numbers: [57, 5] Generated Node #0,3,3: 62:[57, 5] Operation: 65/13=5 Moving to Node #0,3,3 Current State: 62:[57, 5], Operations: ['76-11=65', '65/13=5'] Exploring Operation: 57+5=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 8, 44, 37, 51 ]
66
[ "8+44=52", "51-37=14", "52+14=66" ]
Current State: 66:[8, 44, 37, 51], Operations: [] Exploring Operation: 8+44=52, Resulting Numbers: [37, 51, 52] Generated Node #2: [37, 51, 52] from Operation: 8+44=52 Current State: 66:[37, 51, 52], Operations: ['8+44=52'] Exploring Operation: 51-37=14, Resulting Numbers: [52, 14] Generated Node #3: [52, 14] from Operation: 51-37=14 Current State: 66:[52, 14], Operations: ['8+44=52', '51-37=14'] Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[8, 44, 37, 51], Operations: [] Exploring Operation: 44-37=7, Resulting Numbers: [8, 51, 7] Generated Node #0,0: 66:[8, 51, 7] Operation: 44-37=7 Exploring Operation: 51-44=7, Resulting Numbers: [8, 37, 7] Generated Node #0,1: 66:[8, 37, 7] Operation: 51-44=7 Exploring Operation: 51-37=14, Resulting Numbers: [8, 44, 14] Generated Node #0,2: 66:[8, 44, 14] Operation: 51-37=14 Moving to Node #0,1 Current State: 66:[8, 37, 7], Operations: ['51-44=7'] Exploring Operation: 37-7=30, Resulting Numbers: [8, 30] Generated Node #0,1,0: 66:[8, 30] Operation: 37-7=30 Exploring Operation: 37-8=29, Resulting Numbers: [7, 29] Generated Node #0,1,1: 66:[7, 29] Operation: 37-8=29 Exploring Operation: 8-7=1, Resulting Numbers: [37, 1] Generated Node #0,1,2: 66:[37, 1] Operation: 8-7=1 Moving to Node #0,2 Current State: 66:[8, 44, 14], Operations: ['51-37=14'] Exploring Operation: 44-14=30, Resulting Numbers: [8, 30] Generated Node #0,2,0: 66:[8, 30] Operation: 44-14=30 Exploring Operation: 44+14=58, Resulting Numbers: [8, 58] Generated Node #0,2,1: 66:[8, 58] Operation: 44+14=58 Exploring Operation: 44-8=36, Resulting Numbers: [14, 36] Generated Node #0,2,2: 66:[14, 36] Operation: 44-8=36 Moving to Node #0,0 Current State: 66:[8, 51, 7], Operations: ['44-37=7'] Exploring Operation: 8+51=59, Resulting Numbers: [7, 59] Generated Node #0,0,0: 66:[7, 59] Operation: 8+51=59 Exploring Operation: 51+7=58, Resulting Numbers: [8, 58] Generated Node #0,0,1: 66:[8, 58] Operation: 51+7=58 Exploring Operation: 51-8=43, Resulting Numbers: [7, 43] Generated Node #0,0,2: 66:[7, 43] Operation: 51-8=43 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[7, 59], Operations: ['44-37=7', '8+51=59'] Exploring Operation: 59-7=52, Resulting Numbers: [52] 52,66 unequal: No Solution Exploring Operation: 7*59=413, Resulting Numbers: [413] 413,66 unequal: No Solution Exploring Operation: 7+59=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[8, 44, 37, 51], Operations: [] Exploring Operation: 44-37=7, Resulting Numbers: [8, 51, 7] Generated Node #0,0: 66:[8, 51, 7] Operation: 44-37=7 Moving to Node #0,0 Current State: 66:[8, 51, 7], Operations: ['44-37=7'] Exploring Operation: 8+51=59, Resulting Numbers: [7, 59] Generated Node #0,0,0: 66:[7, 59] Operation: 8+51=59 Moving to Node #0,0,0 Current State: 66:[7, 59], Operations: ['44-37=7', '8+51=59'] Exploring Operation: 7+59=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 9, 40, 68, 7 ]
91
[ "9*7=63", "68-40=28", "63+28=91" ]
Current State: 91:[9, 40, 68, 7], Operations: [] Exploring Operation: 9*7=63, Resulting Numbers: [40, 68, 63] Generated Node #2: [40, 68, 63] from Operation: 9*7=63 Current State: 91:[40, 68, 63], Operations: ['9*7=63'] Exploring Operation: 68-40=28, Resulting Numbers: [63, 28] Generated Node #3: [63, 28] from Operation: 68-40=28 Current State: 91:[63, 28], Operations: ['9*7=63', '68-40=28'] Exploring Operation: 63+28=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[9, 40, 68, 7], Operations: [] Exploring Operation: 68-40=28, Resulting Numbers: [9, 7, 28] Generated Node #0,0: 91:[9, 7, 28] Operation: 68-40=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 91:[9, 7, 28], Operations: ['68-40=28'] Exploring Operation: 28/7=4, Resulting Numbers: [9, 4] Generated Node #0,0,0: 91:[9, 4] Operation: 28/7=4 Moving to Node #0,0,0 Current State: 91:[9, 4], Operations: ['68-40=28', '28/7=4'] Exploring Operation: 9+4=13, Resulting Numbers: [13] 13,91 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
[ 79, 57, 25, 74 ]
27
[ "79-57=22", "74-25=49", "49-22=27" ]
Current State: 27:[79, 57, 25, 74], Operations: [] Exploring Operation: 79-57=22, Resulting Numbers: [25, 74, 22] Generated Node #2: [25, 74, 22] from Operation: 79-57=22 Current State: 27:[25, 74, 22], Operations: ['79-57=22'] Exploring Operation: 74-25=49, Resulting Numbers: [22, 49] Generated Node #3: [22, 49] from Operation: 74-25=49 Current State: 27:[22, 49], Operations: ['79-57=22', '74-25=49'] Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[79, 57, 25, 74], Operations: [] Exploring Operation: 79-57=22, Resulting Numbers: [25, 74, 22] Generated Node #0,0: 27:[25, 74, 22] Operation: 79-57=22 Exploring Operation: 79-74=5, Resulting Numbers: [57, 25, 5] Generated Node #0,1: 27:[57, 25, 5] Operation: 79-74=5 Moving to Node #0,1 Current State: 27:[57, 25, 5], Operations: ['79-74=5'] Exploring Operation: 57-5=52, Resulting Numbers: [25, 52] Generated Node #0,1,0: 27:[25, 52] Operation: 57-5=52 Exploring Operation: 57-25=32, Resulting Numbers: [5, 32] Generated Node #0,1,1: 27:[5, 32] Operation: 57-25=32 Moving to Node #0,0 Current State: 27:[25, 74, 22], Operations: ['79-57=22'] Exploring Operation: 74-25=49, Resulting Numbers: [22, 49] Generated Node #0,0,0: 27:[22, 49] Operation: 74-25=49 Exploring Operation: 74-22=52, Resulting Numbers: [25, 52] Generated Node #0,0,1: 27:[25, 52] Operation: 74-22=52 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 27:[22, 49], Operations: ['79-57=22', '74-25=49'] Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[79, 57, 25, 74], Operations: [] Exploring Operation: 79-57=22, Resulting Numbers: [25, 74, 22] Generated Node #0,0: 27:[25, 74, 22] Operation: 79-57=22 Moving to Node #0,0 Current State: 27:[25, 74, 22], Operations: ['79-57=22'] Exploring Operation: 74-25=49, Resulting Numbers: [22, 49] Generated Node #0,0,0: 27:[22, 49] Operation: 74-25=49 Moving to Node #0,0,0 Current State: 27:[22, 49], Operations: ['79-57=22', '74-25=49'] Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 5, 3, 8, 99 ]
61
[ "3*99=297", "8+297=305", "305/5=61" ]
Current State: 61:[5, 3, 8, 99], Operations: [] Exploring Operation: 3*99=297, Resulting Numbers: [5, 8, 297] Generated Node #2: [5, 8, 297] from Operation: 3*99=297 Current State: 61:[5, 8, 297], Operations: ['3*99=297'] Exploring Operation: 8+297=305, Resulting Numbers: [5, 305] Generated Node #3: [5, 305] from Operation: 8+297=305 Current State: 61:[5, 305], Operations: ['3*99=297', '8+297=305'] Exploring Operation: 305/5=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[5, 3, 8, 99], Operations: [] Exploring Operation: 5*3=15, Resulting Numbers: [8, 99, 15] Generated Node #0,0: 61:[8, 99, 15] Operation: 5*3=15 Exploring Operation: 5*8=40, Resulting Numbers: [3, 99, 40] Generated Node #0,1: 61:[3, 99, 40] Operation: 5*8=40 Exploring Operation: 3*8=24, Resulting Numbers: [5, 99, 24] Generated Node #0,2: 61:[5, 99, 24] Operation: 3*8=24 Exploring Operation: 99/3=33, Resulting Numbers: [5, 8, 33] Generated Node #0,3: 61:[5, 8, 33] Operation: 99/3=33 Moving to Node #0,1 Current State: 61:[3, 99, 40], Operations: ['5*8=40'] Exploring Operation: 99-3=96, Resulting Numbers: [40, 96] Generated Node #0,1,0: 61:[40, 96] Operation: 99-3=96 Exploring Operation: 99/3=33, Resulting Numbers: [40, 33] Generated Node #0,1,1: 61:[40, 33] Operation: 99/3=33 Exploring Operation: 99-40=59, Resulting Numbers: [3, 59] Generated Node #0,1,2: 61:[3, 59] Operation: 99-40=59 Exploring Operation: 3+40=43, Resulting Numbers: [99, 43] Generated Node #0,1,3: 61:[99, 43] Operation: 3+40=43 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 61:[40, 33], Operations: ['5*8=40', '99/3=33'] Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,61 unequal: No Solution Exploring Operation: 40+33=73, Resulting Numbers: [73] 73,61 unequal: No Solution Exploring Operation: 40*33=1320, Resulting Numbers: [1320] 1320,61 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 #0,1,0 Current State: 61:[40, 96], Operations: ['5*8=40', '99-3=96'] Exploring Operation: 96-40=56, Resulting Numbers: [56] 56,61 unequal: No Solution Exploring Operation: 40+96=136, Resulting Numbers: [136] 136,61 unequal: No Solution Exploring Operation: 40*96=3840, Resulting Numbers: [3840] 3840,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 61:[99, 43], Operations: ['5*8=40', '3+40=43'] Exploring Operation: 99-43=56, Resulting Numbers: [56] 56,61 unequal: No Solution Exploring Operation: 99*43=4257, Resulting Numbers: [4257] 4257,61 unequal: No Solution Exploring Operation: 99+43=142, Resulting Numbers: [142] 142,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 61:[3, 59], Operations: ['5*8=40', '99-40=59'] Exploring Operation: 3+59=62, Resulting Numbers: [62] 62,61 unequal: No Solution Exploring Operation: 3*59=177, Resulting Numbers: [177] 177,61 unequal: No Solution Exploring Operation: 59-3=56, Resulting Numbers: [56] 56,61 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: 61:[5, 99, 24], Operations: ['3*8=24'] Exploring Operation: 5+99=104, Resulting Numbers: [24, 104] Generated Node #0,2,0: 61:[24, 104] Operation: 5+99=104 Exploring Operation: 5+24=29, Resulting Numbers: [99, 29] Generated Node #0,2,1: 61:[99, 29] Operation: 5+24=29 Exploring Operation: 99-24=75, Resulting Numbers: [5, 75] Generated Node #0,2,2: 61:[5, 75] Operation: 99-24=75 Exploring Operation: 99-5=94, Resulting Numbers: [24, 94] Generated Node #0,2,3: 61:[24, 94] Operation: 99-5=94 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 61:[99, 29], Operations: ['3*8=24', '5+24=29'] Exploring Operation: 99+29=128, Resulting Numbers: [128] 128,61 unequal: No Solution Exploring Operation: 99-29=70, Resulting Numbers: [70] 70,61 unequal: No Solution Exploring Operation: 99*29=2871, Resulting Numbers: [2871] 2871,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 61:[5, 75], Operations: ['3*8=24', '99-24=75'] Exploring Operation: 5+75=80, Resulting Numbers: [80] 80,61 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,61 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,61 unequal: No Solution Exploring Operation: 5*75=375, Resulting Numbers: [375] 375,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 61:[24, 94], Operations: ['3*8=24', '99-5=94'] Exploring Operation: 24*94=2256, Resulting Numbers: [2256] 2256,61 unequal: No Solution Exploring Operation: 24+94=118, Resulting Numbers: [118] 118,61 unequal: No Solution Exploring Operation: 94-24=70, Resulting Numbers: [70] 70,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 61:[24, 104], Operations: ['3*8=24', '5+99=104'] Exploring Operation: 24*104=2496, Resulting Numbers: [2496] 2496,61 unequal: No Solution Exploring Operation: 24+104=128, Resulting Numbers: [128] 128,61 unequal: No Solution Exploring Operation: 104-24=80, Resulting Numbers: [80] 80,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 61:[5, 8, 33], Operations: ['99/3=33'] Exploring Operation: 5+8=13, Resulting Numbers: [33, 13] Generated Node #0,3,0: 61:[33, 13] Operation: 5+8=13 Exploring Operation: 5+33=38, Resulting Numbers: [8, 38] Generated Node #0,3,1: 61:[8, 38] Operation: 5+33=38 Exploring Operation: 5*8=40, Resulting Numbers: [33, 40] Generated Node #0,3,2: 61:[33, 40] Operation: 5*8=40 Exploring Operation: 8+33=41, Resulting Numbers: [5, 41] Generated Node #0,3,3: 61:[5, 41] Operation: 8+33=41 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 61:[33, 40], Operations: ['99/3=33', '5*8=40'] Exploring Operation: 33+40=73, Resulting Numbers: [73] 73,61 unequal: No Solution Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,61 unequal: No Solution Exploring Operation: 33*40=1320, Resulting Numbers: [1320] 1320,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 61:[33, 13], Operations: ['99/3=33', '5+8=13'] Exploring Operation: 33*13=429, Resulting Numbers: [429] 429,61 unequal: No Solution Exploring Operation: 33+13=46, Resulting Numbers: [46] 46,61 unequal: No Solution Exploring Operation: 33-13=20, Resulting Numbers: [20] 20,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 61:[8, 38], Operations: ['99/3=33', '5+33=38'] Exploring Operation: 38-8=30, Resulting Numbers: [30] 30,61 unequal: No Solution Exploring Operation: 8*38=304, Resulting Numbers: [304] 304,61 unequal: No Solution Exploring Operation: 8+38=46, Resulting Numbers: [46] 46,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 61:[5, 41], Operations: ['99/3=33', '8+33=41'] Exploring Operation: 5+41=46, Resulting Numbers: [46] 46,61 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,61 unequal: No Solution Exploring Operation: 5*41=205, Resulting Numbers: [205] 205,61 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: 61:[8, 99, 15], Operations: ['5*3=15'] Exploring Operation: 99-8=91, Resulting Numbers: [15, 91] Generated Node #0,0,0: 61:[15, 91] Operation: 99-8=91 Exploring Operation: 99-15=84, Resulting Numbers: [8, 84] Generated Node #0,0,1: 61:[8, 84] Operation: 99-15=84 Exploring Operation: 8+99=107, Resulting Numbers: [15, 107] Generated Node #0,0,2: 61:[15, 107] Operation: 8+99=107 Exploring Operation: 8+15=23, Resulting Numbers: [99, 23] Generated Node #0,0,3: 61:[99, 23] Operation: 8+15=23 Moving to Node #0,0,0 Current State: 61:[15, 91], Operations: ['5*3=15', '99-8=91'] Exploring Operation: 91-15=76, Resulting Numbers: [76] 76,61 unequal: No Solution Exploring Operation: 15*91=1365, Resulting Numbers: [1365] 1365,61 unequal: No Solution Exploring Operation: 15+91=106, Resulting Numbers: [106] 106,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[99, 23], Operations: ['5*3=15', '8+15=23'] Exploring Operation: 99+23=122, Resulting Numbers: [122] 122,61 unequal: No Solution Exploring Operation: 99*23=2277, Resulting Numbers: [2277] 2277,61 unequal: No Solution Exploring Operation: 99-23=76, Resulting Numbers: [76] 76,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[8, 84], Operations: ['5*3=15', '99-15=84'] Exploring Operation: 84-8=76, Resulting Numbers: [76] 76,61 unequal: No Solution Exploring Operation: 8+84=92, Resulting Numbers: [92] 92,61 unequal: No Solution Exploring Operation: 8*84=672, Resulting Numbers: [672] 672,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[15, 107], Operations: ['5*3=15', '8+99=107'] Exploring Operation: 107-15=92, Resulting Numbers: [92] 92,61 unequal: No Solution Exploring Operation: 15*107=1605, Resulting Numbers: [1605] 1605,61 unequal: No Solution Exploring Operation: 15+107=122, Resulting Numbers: [122] 122,61 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 5, 75, 58, 63 ]
100
[ "63-58=5", "5*5=25", "75+25=100" ]
Current State: 100:[5, 75, 58, 63], Operations: [] Exploring Operation: 63-58=5, Resulting Numbers: [5, 75, 5] Generated Node #2: [5, 75, 5] from Operation: 63-58=5 Current State: 100:[5, 75, 5], Operations: ['63-58=5'] Exploring Operation: 5*5=25, Resulting Numbers: [75, 25] Generated Node #3: [75, 25] from Operation: 5*5=25 Current State: 100:[75, 25], Operations: ['63-58=5', '5*5=25'] Exploring Operation: 75+25=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[5, 75, 58, 63], Operations: [] Exploring Operation: 75-63=12, Resulting Numbers: [5, 58, 12] Generated Node #0,0: 100:[5, 58, 12] Operation: 75-63=12 Exploring Operation: 75-58=17, Resulting Numbers: [5, 63, 17] Generated Node #0,1: 100:[5, 63, 17] Operation: 75-58=17 Moving to Node #0,0 Current State: 100:[5, 58, 12], Operations: ['75-63=12'] Exploring Operation: 58-12=46, Resulting Numbers: [5, 46] Generated Node #0,0,0: 100:[5, 46] Operation: 58-12=46 Exploring Operation: 58-5=53, Resulting Numbers: [12, 53] Generated Node #0,0,1: 100:[12, 53] Operation: 58-5=53 Moving to Node #0,1 Current State: 100:[5, 63, 17], Operations: ['75-58=17'] Exploring Operation: 63-17=46, Resulting Numbers: [5, 46] Generated Node #0,1,0: 100:[5, 46] Operation: 63-17=46 Exploring Operation: 63-5=58, Resulting Numbers: [17, 58] Generated Node #0,1,1: 100:[17, 58] Operation: 63-5=58 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 100:[5, 46], Operations: ['75-58=17', '63-17=46'] Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 100:[17, 58], Operations: ['75-58=17', '63-5=58'] Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,100 unequal: No Solution Exploring Operation: 17+58=75, Resulting Numbers: [75] 75,100 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: 100:[5, 46], Operations: ['75-63=12', '58-12=46'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,100 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[12, 53], Operations: ['75-63=12', '58-5=53'] Exploring Operation: 12+53=65, Resulting Numbers: [65] 65,100 unequal: No Solution Exploring Operation: 53-12=41, Resulting Numbers: [41] 41,100 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 37, 27, 99, 43 ]
78
[ "37+27=64", "99+43=142", "142-64=78" ]
Current State: 78:[37, 27, 99, 43], Operations: [] Exploring Operation: 37+27=64, Resulting Numbers: [99, 43, 64] Generated Node #2: [99, 43, 64] from Operation: 37+27=64 Current State: 78:[99, 43, 64], Operations: ['37+27=64'] Exploring Operation: 99+43=142, Resulting Numbers: [64, 142] Generated Node #3: [64, 142] from Operation: 99+43=142 Current State: 78:[64, 142], Operations: ['37+27=64', '99+43=142'] Exploring Operation: 142-64=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[37, 27, 99, 43], Operations: [] Exploring Operation: 37+43=80, Resulting Numbers: [27, 99, 80] Generated Node #0,0: 78:[27, 99, 80] Operation: 37+43=80 Exploring Operation: 99-43=56, Resulting Numbers: [37, 27, 56] Generated Node #0,1: 78:[37, 27, 56] Operation: 99-43=56 Exploring Operation: 43-37=6, Resulting Numbers: [27, 99, 6] Generated Node #0,2: 78:[27, 99, 6] Operation: 43-37=6 Exploring Operation: 99-37=62, Resulting Numbers: [27, 43, 62] Generated Node #0,3: 78:[27, 43, 62] Operation: 99-37=62 Exploring Operation: 99-27=72, Resulting Numbers: [37, 43, 72] Generated Node #0,4: 78:[37, 43, 72] Operation: 99-27=72 Moving to Node #0,4 Current State: 78:[37, 43, 72], Operations: ['99-27=72'] Exploring Operation: 37+43=80, Resulting Numbers: [72, 80] Generated Node #0,4,0: 78:[72, 80] Operation: 37+43=80 Exploring Operation: 43-37=6, Resulting Numbers: [72, 6] Generated Node #0,4,1: 78:[72, 6] Operation: 43-37=6 Exploring Operation: 72-43=29, Resulting Numbers: [37, 29] Generated Node #0,4,2: 78:[37, 29] Operation: 72-43=29 Exploring Operation: 72-37=35, Resulting Numbers: [43, 35] Generated Node #0,4,3: 78:[43, 35] Operation: 72-37=35 Exploring Operation: 37+72=109, Resulting Numbers: [43, 109] Generated Node #0,4,4: 78:[43, 109] Operation: 37+72=109 Moving to Node #0,1 Current State: 78:[37, 27, 56], Operations: ['99-43=56'] Exploring Operation: 56-27=29, Resulting Numbers: [37, 29] Generated Node #0,1,0: 78:[37, 29] Operation: 56-27=29 Exploring Operation: 37+56=93, Resulting Numbers: [27, 93] Generated Node #0,1,1: 78:[27, 93] Operation: 37+56=93 Exploring Operation: 27+56=83, Resulting Numbers: [37, 83] Generated Node #0,1,2: 78:[37, 83] Operation: 27+56=83 Exploring Operation: 37-27=10, Resulting Numbers: [56, 10] Generated Node #0,1,3: 78:[56, 10] Operation: 37-27=10 Exploring Operation: 56-37=19, Resulting Numbers: [27, 19] Generated Node #0,1,4: 78:[27, 19] Operation: 56-37=19 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[37, 29], Operations: ['99-43=56', '56-27=29'] Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,78 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,78 unequal: No Solution No 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: 78:[37, 83], Operations: ['99-43=56', '27+56=83'] Exploring Operation: 37+83=120, Resulting Numbers: [120] 120,78 unequal: No Solution Exploring Operation: 37*83=3071, Resulting Numbers: [3071] 3071,78 unequal: No Solution Exploring Operation: 83-37=46, Resulting Numbers: [46] 46,78 unequal: No Solution No 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: 78:[27, 19], Operations: ['99-43=56', '56-37=19'] Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 27*19=513, Resulting Numbers: [513] 513,78 unequal: No Solution No 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: 78:[27, 93], Operations: ['99-43=56', '37+56=93'] Exploring Operation: 27*93=2511, Resulting Numbers: [2511] 2511,78 unequal: No Solution Exploring Operation: 27+93=120, Resulting Numbers: [120] 120,78 unequal: No Solution Exploring Operation: 93-27=66, Resulting Numbers: [66] 66,78 unequal: No Solution No 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: 78:[56, 10], Operations: ['99-43=56', '37-27=10'] Exploring Operation: 56+10=66, Resulting Numbers: [66] 66,78 unequal: No Solution Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,78 unequal: No Solution Exploring Operation: 56*10=560, Resulting Numbers: [560] 560,78 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: 78:[27, 43, 62], Operations: ['99-37=62'] Exploring Operation: 62-43=19, Resulting Numbers: [27, 19] Generated Node #0,3,0: 78:[27, 19] Operation: 62-43=19 Exploring Operation: 62-27=35, Resulting Numbers: [43, 35] Generated Node #0,3,1: 78:[43, 35] Operation: 62-27=35 Exploring Operation: 27+62=89, Resulting Numbers: [43, 89] Generated Node #0,3,2: 78:[43, 89] Operation: 27+62=89 Exploring Operation: 43-27=16, Resulting Numbers: [62, 16] Generated Node #0,3,3: 78:[62, 16] Operation: 43-27=16 Exploring Operation: 27+43=70, Resulting Numbers: [62, 70] Generated Node #0,3,4: 78:[62, 70] Operation: 27+43=70 Moving to Node #0,2 Current State: 78:[27, 99, 6], Operations: ['43-37=6'] Exploring Operation: 27+6=33, Resulting Numbers: [99, 33] Generated Node #0,2,0: 78:[99, 33] Operation: 27+6=33 Exploring Operation: 99+6=105, Resulting Numbers: [27, 105] Generated Node #0,2,1: 78:[27, 105] Operation: 99+6=105 Exploring Operation: 99-6=93, Resulting Numbers: [27, 93] Generated Node #0,2,2: 78:[27, 93] Operation: 99-6=93 Exploring Operation: 27-6=21, Resulting Numbers: [99, 21] Generated Node #0,2,3: 78:[99, 21] Operation: 27-6=21 Exploring Operation: 99-27=72, Resulting Numbers: [6, 72] Generated Node #0,2,4: 78:[6, 72] Operation: 99-27=72 Moving to Node #0,0 Current State: 78:[27, 99, 80], Operations: ['37+43=80'] Exploring Operation: 99-80=19, Resulting Numbers: [27, 19] Generated Node #0,0,0: 78:[27, 19] Operation: 99-80=19 Exploring Operation: 80-27=53, Resulting Numbers: [99, 53] Generated Node #0,0,1: 78:[99, 53] Operation: 80-27=53 Exploring Operation: 27+99=126, Resulting Numbers: [80, 126] Generated Node #0,0,2: 78:[80, 126] Operation: 27+99=126 Exploring Operation: 27+80=107, Resulting Numbers: [99, 107] Generated Node #0,0,3: 78:[99, 107] Operation: 27+80=107 Exploring Operation: 99-27=72, Resulting Numbers: [80, 72] Generated Node #0,0,4: 78:[80, 72] Operation: 99-27=72 Moving to Node #0,4,2 Current State: 78:[37, 29], Operations: ['99-27=72', '72-43=29'] Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,78 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,78 unequal: No Solution Moving to Node #0,4,1 Current State: 78:[72, 6], Operations: ['99-27=72', '43-37=6'] Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[37, 27, 99, 43], Operations: [] Exploring Operation: 99-27=72, Resulting Numbers: [37, 43, 72] Generated Node #0,4: 78:[37, 43, 72] Operation: 99-27=72 Moving to Node #0,4 Current State: 78:[37, 43, 72], Operations: ['99-27=72'] Exploring Operation: 43-37=6, Resulting Numbers: [72, 6] Generated Node #0,4,1: 78:[72, 6] Operation: 43-37=6 Moving to Node #0,4,1 Current State: 78:[72, 6], Operations: ['99-27=72', '43-37=6'] Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.953993
hs_5
sum_heuristic
[ 97, 83, 18, 15 ]
30
[ "97+83=180", "180/15=12", "18+12=30" ]
Current State: 30:[97, 83, 18, 15], Operations: [] Exploring Operation: 97+83=180, Resulting Numbers: [18, 15, 180] Generated Node #2: [18, 15, 180] from Operation: 97+83=180 Current State: 30:[18, 15, 180], Operations: ['97+83=180'] Exploring Operation: 180/15=12, Resulting Numbers: [18, 12] Generated Node #3: [18, 12] from Operation: 180/15=12 Current State: 30:[18, 12], Operations: ['97+83=180', '180/15=12'] Exploring Operation: 18+12=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[97, 83, 18, 15], Operations: [] Exploring Operation: 97-15=82, Resulting Numbers: [83, 18, 82] Generated Node #0,0: 30:[83, 18, 82] Operation: 97-15=82 Exploring Operation: 83-18=65, Resulting Numbers: [97, 15, 65] Generated Node #0,1: 30:[97, 15, 65] Operation: 83-18=65 Exploring Operation: 97-83=14, Resulting Numbers: [18, 15, 14] Generated Node #0,2: 30:[18, 15, 14] Operation: 97-83=14 Exploring Operation: 97-18=79, Resulting Numbers: [83, 15, 79] Generated Node #0,3: 30:[83, 15, 79] Operation: 97-18=79 Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[18, 15, 14], Operations: ['97-83=14'] Exploring Operation: 18-15=3, Resulting Numbers: [14, 3] Generated Node #0,2,0: 30:[14, 3] Operation: 18-15=3 Exploring Operation: 18+15=33, Resulting Numbers: [14, 33] Generated Node #0,2,1: 30:[14, 33] Operation: 18+15=33 Exploring Operation: 18-14=4, Resulting Numbers: [15, 4] Generated Node #0,2,2: 30:[15, 4] Operation: 18-14=4 Exploring Operation: 18+14=32, Resulting Numbers: [15, 32] Generated Node #0,2,3: 30:[15, 32] Operation: 18+14=32 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 30:[14, 3], Operations: ['97-83=14', '18-15=3'] Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 14+3=17, Resulting Numbers: [17] 17,30 unequal: No Solution Exploring Operation: 14*3=42, Resulting Numbers: [42] 42,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 30:[15, 4], Operations: ['97-83=14', '18-14=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,30 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 30:[15, 32], Operations: ['97-83=14', '18+14=32'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,30 unequal: No Solution Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,30 unequal: No Solution Exploring Operation: 15*32=480, Resulting Numbers: [480] 480,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 30:[14, 33], Operations: ['97-83=14', '18+15=33'] Exploring Operation: 14*33=462, Resulting Numbers: [462] 462,30 unequal: No Solution Exploring Operation: 14+33=47, Resulting Numbers: [47] 47,30 unequal: No Solution Exploring Operation: 33-14=19, Resulting Numbers: [19] 19,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[97, 15, 65], Operations: ['83-18=65'] Exploring Operation: 97+15=112, Resulting Numbers: [65, 112] Generated Node #0,1,0: 30:[65, 112] Operation: 97+15=112 Exploring Operation: 65-15=50, Resulting Numbers: [97, 50] Generated Node #0,1,1: 30:[97, 50] Operation: 65-15=50 Exploring Operation: 97-65=32, Resulting Numbers: [15, 32] Generated Node #0,1,2: 30:[15, 32] Operation: 97-65=32 Exploring Operation: 97-15=82, Resulting Numbers: [65, 82] Generated Node #0,1,3: 30:[65, 82] Operation: 97-15=82 Moving to Node #0,1,2 Current State: 30:[15, 32], Operations: ['83-18=65', '97-65=32'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,30 unequal: No Solution Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,30 unequal: No Solution Exploring Operation: 15*32=480, Resulting Numbers: [480] 480,30 unequal: No Solution Moving to Node #0,1,3 Current State: 30:[65, 82], Operations: ['83-18=65', '97-15=82'] Exploring Operation: 65*82=5330, Resulting Numbers: [5330] 5330,30 unequal: No Solution Exploring Operation: 82-65=17, Resulting Numbers: [17] 17,30 unequal: No Solution Exploring Operation: 65+82=147, Resulting Numbers: [147] 147,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[97, 50], Operations: ['83-18=65', '65-15=50'] Exploring Operation: 97-50=47, Resulting Numbers: [47] 47,30 unequal: No Solution Exploring Operation: 97*50=4850, Resulting Numbers: [4850] 4850,30 unequal: No Solution Exploring Operation: 97+50=147, Resulting Numbers: [147] 147,30 unequal: No Solution Moving to Node #0,1,0 Current State: 30:[65, 112], Operations: ['83-18=65', '97+15=112'] Exploring Operation: 65+112=177, Resulting Numbers: [177] 177,30 unequal: No Solution Exploring Operation: 112-65=47, Resulting Numbers: [47] 47,30 unequal: No Solution Exploring Operation: 65*112=7280, Resulting Numbers: [7280] 7280,30 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 Current State: 30:[83, 15, 79], Operations: ['97-18=79'] Exploring Operation: 79-15=64, Resulting Numbers: [83, 64] Generated Node #0,3,0: 30:[83, 64] Operation: 79-15=64 Exploring Operation: 83+15=98, Resulting Numbers: [79, 98] Generated Node #0,3,1: 30:[79, 98] Operation: 83+15=98 Exploring Operation: 83-79=4, Resulting Numbers: [15, 4] Generated Node #0,3,2: 30:[15, 4] Operation: 83-79=4 Exploring Operation: 83-15=68, Resulting Numbers: [79, 68] Generated Node #0,3,3: 30:[79, 68] Operation: 83-15=68 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 30:[15, 4], Operations: ['97-18=79', '83-79=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,30 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 30:[83, 64], Operations: ['97-18=79', '79-15=64'] Exploring Operation: 83*64=5312, Resulting Numbers: [5312] 5312,30 unequal: No Solution Exploring Operation: 83+64=147, Resulting Numbers: [147] 147,30 unequal: No Solution Exploring Operation: 83-64=19, Resulting Numbers: [19] 19,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 30:[79, 68], Operations: ['97-18=79', '83-15=68'] Exploring Operation: 79*68=5372, Resulting Numbers: [5372] 5372,30 unequal: No Solution Exploring Operation: 79+68=147, Resulting Numbers: [147] 147,30 unequal: No Solution Exploring Operation: 79-68=11, Resulting Numbers: [11] 11,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 30:[79, 98], Operations: ['97-18=79', '83+15=98'] Exploring Operation: 98-79=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 79*98=7742, Resulting Numbers: [7742] 7742,30 unequal: No Solution Exploring Operation: 79+98=177, Resulting Numbers: [177] 177,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[83, 18, 82], Operations: ['97-15=82'] Exploring Operation: 83+18=101, Resulting Numbers: [82, 101] Generated Node #0,0,0: 30:[82, 101] Operation: 83+18=101 Exploring Operation: 82-18=64, Resulting Numbers: [83, 64] Generated Node #0,0,1: 30:[83, 64] Operation: 82-18=64 Exploring Operation: 83-82=1, Resulting Numbers: [18, 1] Generated Node #0,0,2: 30:[18, 1] Operation: 83-82=1 Exploring Operation: 83-18=65, Resulting Numbers: [82, 65] Generated Node #0,0,3: 30:[82, 65] Operation: 83-18=65 Moving to Node #0,0,2 Current State: 30:[18, 1], Operations: ['97-15=82', '83-82=1'] Exploring Operation: 18*1=18, Resulting Numbers: [18] 18,30 unequal: No Solution Exploring Operation: 18+1=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 18-1=17, Resulting Numbers: [17] 17,30 unequal: No Solution Exploring Operation: 18/1=18, Resulting Numbers: [18] 18,30 unequal: No Solution Moving to Node #0,0,3 Current State: 30:[82, 65], Operations: ['97-15=82', '83-18=65'] Exploring Operation: 82*65=5330, Resulting Numbers: [5330] 5330,30 unequal: No Solution Exploring Operation: 82-65=17, Resulting Numbers: [17] 17,30 unequal: No Solution Exploring Operation: 82+65=147, Resulting Numbers: [147] 147,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[83, 64], Operations: ['97-15=82', '82-18=64'] Exploring Operation: 83+64=147, Resulting Numbers: [147] 147,30 unequal: No Solution Exploring Operation: 83-64=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 83*64=5312, Resulting Numbers: [5312] 5312,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[82, 101], Operations: ['97-15=82', '83+18=101'] Exploring Operation: 82*101=8282, Resulting Numbers: [8282] 8282,30 unequal: No Solution Exploring Operation: 82+101=183, Resulting Numbers: [183] 183,30 unequal: No Solution Exploring Operation: 101-82=19, Resulting Numbers: [19] 19,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 14, 85, 98, 52 ]
25
[ "85-14=71", "98-52=46", "71-46=25" ]
Current State: 25:[14, 85, 98, 52], Operations: [] Exploring Operation: 85-14=71, Resulting Numbers: [98, 52, 71] Generated Node #2: [98, 52, 71] from Operation: 85-14=71 Current State: 25:[98, 52, 71], Operations: ['85-14=71'] Exploring Operation: 98-52=46, Resulting Numbers: [71, 46] Generated Node #3: [71, 46] from Operation: 98-52=46 Current State: 25:[71, 46], Operations: ['85-14=71', '98-52=46'] Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[14, 85, 98, 52], Operations: [] Exploring Operation: 98-85=13, Resulting Numbers: [14, 52, 13] Generated Node #0,0: 25:[14, 52, 13] Operation: 98-85=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[14, 52, 13], Operations: ['98-85=13'] Exploring Operation: 52/13=4, Resulting Numbers: [14, 4] Generated Node #0,0,0: 25:[14, 4] Operation: 52/13=4 Moving to Node #0,0,0 Current State: 25:[14, 4], Operations: ['98-85=13', '52/13=4'] Exploring Operation: 14-4=10, Resulting Numbers: [10] 10,25 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
[ 25, 9, 98, 88 ]
39
[ "25*9=225", "98+88=186", "225-186=39" ]
Current State: 39:[25, 9, 98, 88], Operations: [] Exploring Operation: 25*9=225, Resulting Numbers: [98, 88, 225] Generated Node #2: [98, 88, 225] from Operation: 25*9=225 Current State: 39:[98, 88, 225], Operations: ['25*9=225'] Exploring Operation: 98+88=186, Resulting Numbers: [225, 186] Generated Node #3: [225, 186] from Operation: 98+88=186 Current State: 39:[225, 186], Operations: ['25*9=225', '98+88=186'] Exploring Operation: 225-186=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[25, 9, 98, 88], Operations: [] Exploring Operation: 98-25=73, Resulting Numbers: [9, 88, 73] Generated Node #0,0: 39:[9, 88, 73] Operation: 98-25=73 Exploring Operation: 98-9=89, Resulting Numbers: [25, 88, 89] Generated Node #0,1: 39:[25, 88, 89] Operation: 98-9=89 Exploring Operation: 25-9=16, Resulting Numbers: [98, 88, 16] Generated Node #0,2: 39:[98, 88, 16] Operation: 25-9=16 Exploring Operation: 98-88=10, Resulting Numbers: [25, 9, 10] Generated Node #0,3: 39:[25, 9, 10] Operation: 98-88=10 Exploring Operation: 88-25=63, Resulting Numbers: [9, 98, 63] Generated Node #0,4: 39:[9, 98, 63] Operation: 88-25=63 Moving to Node #0,3 Current State: 39:[25, 9, 10], Operations: ['98-88=10'] Exploring Operation: 25-10=15, Resulting Numbers: [9, 15] Generated Node #0,3,0: 39:[9, 15] Operation: 25-10=15 Exploring Operation: 10-9=1, Resulting Numbers: [25, 1] Generated Node #0,3,1: 39:[25, 1] Operation: 10-9=1 Exploring Operation: 25-9=16, Resulting Numbers: [10, 16] Generated Node #0,3,2: 39:[10, 16] Operation: 25-9=16 Exploring Operation: 25+10=35, Resulting Numbers: [9, 35] Generated Node #0,3,3: 39:[9, 35] Operation: 25+10=35 Exploring Operation: 25+9=34, Resulting Numbers: [10, 34] Generated Node #0,3,4: 39:[10, 34] Operation: 25+9=34 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 39:[9, 15], Operations: ['98-88=10', '25-10=15'] Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,39 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 39:[10, 16], Operations: ['98-88=10', '25-9=16'] Exploring Operation: 10+16=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 10*16=160, Resulting Numbers: [160] 160,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 39:[9, 35], Operations: ['98-88=10', '25+10=35'] Exploring Operation: 9+35=44, Resulting Numbers: [44] 44,39 unequal: No Solution Exploring Operation: 9*35=315, Resulting Numbers: [315] 315,39 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 39:[10, 34], Operations: ['98-88=10', '25+9=34'] Exploring Operation: 10+34=44, Resulting Numbers: [44] 44,39 unequal: No Solution Exploring Operation: 10*34=340, Resulting Numbers: [340] 340,39 unequal: No Solution Exploring Operation: 34-10=24, Resulting Numbers: [24] 24,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 39:[25, 1], Operations: ['98-88=10', '10-9=1'] Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,39 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,39 unequal: No Solution Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,39 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: 39:[9, 98, 63], Operations: ['88-25=63'] Exploring Operation: 98-9=89, Resulting Numbers: [63, 89] Generated Node #0,4,0: 39:[63, 89] Operation: 98-9=89 Exploring Operation: 63-9=54, Resulting Numbers: [98, 54] Generated Node #0,4,1: 39:[98, 54] Operation: 63-9=54 Exploring Operation: 9+98=107, Resulting Numbers: [63, 107] Generated Node #0,4,2: 39:[63, 107] Operation: 9+98=107 Exploring Operation: 98-63=35, Resulting Numbers: [9, 35] Generated Node #0,4,3: 39:[9, 35] Operation: 98-63=35 Exploring Operation: 63/9=7, Resulting Numbers: [98, 7] Generated Node #0,4,4: 39:[98, 7] Operation: 63/9=7 Moving to Node #0,0 Current State: 39:[9, 88, 73], Operations: ['98-25=73'] Exploring Operation: 73-9=64, Resulting Numbers: [88, 64] Generated Node #0,0,0: 39:[88, 64] Operation: 73-9=64 Exploring Operation: 9+73=82, Resulting Numbers: [88, 82] Generated Node #0,0,1: 39:[88, 82] Operation: 9+73=82 Exploring Operation: 88-73=15, Resulting Numbers: [9, 15] Generated Node #0,0,2: 39:[9, 15] Operation: 88-73=15 Exploring Operation: 9+88=97, Resulting Numbers: [73, 97] Generated Node #0,0,3: 39:[73, 97] Operation: 9+88=97 Exploring Operation: 88-9=79, Resulting Numbers: [73, 79] Generated Node #0,0,4: 39:[73, 79] Operation: 88-9=79 Moving to Node #0,1 Current State: 39:[25, 88, 89], Operations: ['98-9=89'] Exploring Operation: 25+89=114, Resulting Numbers: [88, 114] Generated Node #0,1,0: 39:[88, 114] Operation: 25+89=114 Exploring Operation: 25+88=113, Resulting Numbers: [89, 113] Generated Node #0,1,1: 39:[89, 113] Operation: 25+88=113 Exploring Operation: 89-25=64, Resulting Numbers: [88, 64] Generated Node #0,1,2: 39:[88, 64] Operation: 89-25=64 Exploring Operation: 89-88=1, Resulting Numbers: [25, 1] Generated Node #0,1,3: 39:[25, 1] Operation: 89-88=1 Exploring Operation: 88-25=63, Resulting Numbers: [89, 63] Generated Node #0,1,4: 39:[89, 63] Operation: 88-25=63 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 39:[25, 1], Operations: ['98-9=89', '89-88=1'] Exploring Operation: 25+1=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 25/1=25, Resulting Numbers: [25] 25,39 unequal: No Solution Exploring Operation: 25-1=24, Resulting Numbers: [24] 24,39 unequal: No Solution Exploring Operation: 25*1=25, Resulting Numbers: [25] 25,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[88, 64], Operations: ['98-9=89', '89-25=64'] Exploring Operation: 88*64=5632, Resulting Numbers: [5632] 5632,39 unequal: No Solution Exploring Operation: 88-64=24, Resulting Numbers: [24] 24,39 unequal: No Solution Exploring Operation: 88+64=152, Resulting Numbers: [152] 152,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 39:[89, 63], Operations: ['98-9=89', '88-25=63'] Exploring Operation: 89*63=5607, Resulting Numbers: [5607] 5607,39 unequal: No Solution Exploring Operation: 89+63=152, Resulting Numbers: [152] 152,39 unequal: No Solution Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[88, 114], Operations: ['98-9=89', '25+89=114'] Exploring Operation: 88*114=10032, Resulting Numbers: [10032] 10032,39 unequal: No Solution Exploring Operation: 88+114=202, Resulting Numbers: [202] 202,39 unequal: No Solution Exploring Operation: 114-88=26, Resulting Numbers: [26] 26,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[89, 113], Operations: ['98-9=89', '25+88=113'] Exploring Operation: 89+113=202, Resulting Numbers: [202] 202,39 unequal: No Solution Exploring Operation: 89*113=10057, Resulting Numbers: [10057] 10057,39 unequal: No Solution Exploring Operation: 113-89=24, Resulting Numbers: [24] 24,39 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: 39:[98, 88, 16], Operations: ['25-9=16'] Exploring Operation: 88-16=72, Resulting Numbers: [98, 72] Generated Node #0,2,0: 39:[98, 72] Operation: 88-16=72 Exploring Operation: 88+16=104, Resulting Numbers: [98, 104] Generated Node #0,2,1: 39:[98, 104] Operation: 88+16=104 Exploring Operation: 98+16=114, Resulting Numbers: [88, 114] Generated Node #0,2,2: 39:[88, 114] Operation: 98+16=114 Exploring Operation: 98-88=10, Resulting Numbers: [16, 10] Generated Node #0,2,3: 39:[16, 10] Operation: 98-88=10 Exploring Operation: 98-16=82, Resulting Numbers: [88, 82] Generated Node #0,2,4: 39:[88, 82] Operation: 98-16=82 Moving to Node #0,0,2 Current State: 39:[9, 15], Operations: ['98-25=73', '88-73=15'] Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,39 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,39 unequal: No Solution Moving to Node #0,2,3 Current State: 39:[16, 10], Operations: ['25-9=16', '98-88=10'] Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 16*10=160, Resulting Numbers: [160] 160,39 unequal: No Solution Moving to Node #0,4,3 Current State: 39:[9, 35], Operations: ['88-25=63', '98-63=35'] Exploring Operation: 9*35=315, Resulting Numbers: [315] 315,39 unequal: No Solution Exploring Operation: 9+35=44, Resulting Numbers: [44] 44,39 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,39 unequal: No Solution Moving to Node #0,4,4 Current State: 39:[98, 7], Operations: ['88-25=63', '63/9=7'] Exploring Operation: 98-7=91, Resulting Numbers: [91] 91,39 unequal: No Solution Exploring Operation: 98/7=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 98+7=105, Resulting Numbers: [105] 105,39 unequal: No Solution Exploring Operation: 98*7=686, Resulting Numbers: [686] 686,39 unequal: No Solution Moving to Node #0,0,0 Current State: 39:[88, 64], Operations: ['98-25=73', '73-9=64'] Exploring Operation: 88+64=152, Resulting Numbers: [152] 152,39 unequal: No Solution Exploring Operation: 88*64=5632, Resulting Numbers: [5632] 5632,39 unequal: No Solution Exploring Operation: 88-64=24, Resulting Numbers: [24] 24,39 unequal: No Solution Moving to Node #0,4,0 Current State: 39:[63, 89], Operations: ['88-25=63', '98-9=89'] Exploring Operation: 63+89=152, Resulting Numbers: [152] 152,39 unequal: No Solution Exploring Operation: 63*89=5607, Resulting Numbers: [5607] 5607,39 unequal: No Solution Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,39 unequal: No Solution Moving to Node #0,4,1 Current State: 39:[98, 54], Operations: ['88-25=63', '63-9=54'] Exploring Operation: 98-54=44, Resulting Numbers: [44] 44,39 unequal: No Solution Exploring Operation: 98*54=5292, Resulting Numbers: [5292] 5292,39 unequal: No Solution Exploring Operation: 98+54=152, Resulting Numbers: [152] 152,39 unequal: No Solution Moving to Node #0,0,4 Current State: 39:[73, 79], Operations: ['98-25=73', '88-9=79'] Exploring Operation: 73*79=5767, Resulting Numbers: [5767] 5767,39 unequal: No Solution Exploring Operation: 79-73=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 73+79=152, Resulting Numbers: [152] 152,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[98, 72], Operations: ['25-9=16', '88-16=72'] Exploring Operation: 98*72=7056, Resulting Numbers: [7056] 7056,39 unequal: No Solution Exploring Operation: 98-72=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 98+72=170, Resulting Numbers: [170] 170,39 unequal: No Solution Moving to Node #0,2,4 Current State: 39:[88, 82], Operations: ['25-9=16', '98-16=82'] Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 88*82=7216, Resulting Numbers: [7216] 7216,39 unequal: No Solution Exploring Operation: 88+82=170, Resulting Numbers: [170] 170,39 unequal: No Solution Moving to Node #0,4,2 Current State: 39:[63, 107], Operations: ['88-25=63', '9+98=107'] Exploring Operation: 63+107=170, Resulting Numbers: [170] 170,39 unequal: No Solution Exploring Operation: 107-63=44, Resulting Numbers: [44] 44,39 unequal: No Solution Exploring Operation: 63*107=6741, Resulting Numbers: [6741] 6741,39 unequal: No Solution Moving to Node #0,0,3 Current State: 39:[73, 97], Operations: ['98-25=73', '9+88=97'] Exploring Operation: 73+97=170, Resulting Numbers: [170] 170,39 unequal: No Solution Exploring Operation: 73*97=7081, Resulting Numbers: [7081] 7081,39 unequal: No Solution Exploring Operation: 97-73=24, Resulting Numbers: [24] 24,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[88, 82], Operations: ['98-25=73', '9+73=82'] Exploring Operation: 88-82=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 88*82=7216, Resulting Numbers: [7216] 7216,39 unequal: No Solution Exploring Operation: 88+82=170, Resulting Numbers: [170] 170,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[98, 104], Operations: ['25-9=16', '88+16=104'] Exploring Operation: 98+104=202, Resulting Numbers: [202] 202,39 unequal: No Solution Exploring Operation: 104-98=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 98*104=10192, Resulting Numbers: [10192] 10192,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[88, 114], Operations: ['25-9=16', '98+16=114'] Exploring Operation: 88+114=202, Resulting Numbers: [202] 202,39 unequal: No Solution Exploring Operation: 114-88=26, Resulting Numbers: [26] 26,39 unequal: No Solution Exploring Operation: 88*114=10032, Resulting Numbers: [10032] 10032,39 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 2, 39, 8, 50 ]
22
[ "50/2=25", "39+8=47", "47-25=22" ]
Current State: 22:[2, 39, 8, 50], Operations: [] Exploring Operation: 50/2=25, Resulting Numbers: [39, 8, 25] Generated Node #2: [39, 8, 25] from Operation: 50/2=25 Current State: 22:[39, 8, 25], Operations: ['50/2=25'] Exploring Operation: 39+8=47, Resulting Numbers: [25, 47] Generated Node #3: [25, 47] from Operation: 39+8=47 Current State: 22:[25, 47], Operations: ['50/2=25', '39+8=47'] Exploring Operation: 47-25=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[2, 39, 8, 50], Operations: [] Exploring Operation: 50/2=25, Resulting Numbers: [39, 8, 25] Generated Node #0,0: 22:[39, 8, 25] Operation: 50/2=25 Exploring Operation: 39-8=31, Resulting Numbers: [2, 50, 31] Generated Node #0,1: 22:[2, 50, 31] Operation: 39-8=31 Exploring Operation: 50-39=11, Resulting Numbers: [2, 8, 11] Generated Node #0,2: 22:[2, 8, 11] Operation: 50-39=11 Moving to Node #0,2 Current State: 22:[2, 8, 11], Operations: ['50-39=11'] Exploring Operation: 8/2=4, Resulting Numbers: [11, 4] Generated Node #0,2,0: 22:[11, 4] Operation: 8/2=4 Exploring Operation: 11-8=3, Resulting Numbers: [2, 3] Generated Node #0,2,1: 22:[2, 3] Operation: 11-8=3 Exploring Operation: 2+8=10, Resulting Numbers: [11, 10] Generated Node #0,2,2: 22:[11, 10] Operation: 2+8=10 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 22:[2, 3], Operations: ['50-39=11', '11-8=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,22 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,22 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 #0,2,2 Current State: 22:[11, 10], Operations: ['50-39=11', '2+8=10'] Exploring Operation: 11*10=110, Resulting Numbers: [110] 110,22 unequal: No Solution Exploring Operation: 11-10=1, Resulting Numbers: [1] 1,22 unequal: No Solution Exploring Operation: 11+10=21, Resulting Numbers: [21] 21,22 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:[11, 4], Operations: ['50-39=11', '8/2=4'] Exploring Operation: 11+4=15, Resulting Numbers: [15] 15,22 unequal: No Solution Exploring Operation: 11*4=44, Resulting Numbers: [44] 44,22 unequal: No Solution Exploring Operation: 11-4=7, Resulting Numbers: [7] 7,22 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: 22:[39, 8, 25], Operations: ['50/2=25'] Exploring Operation: 25-8=17, Resulting Numbers: [39, 17] Generated Node #0,0,0: 22:[39, 17] Operation: 25-8=17 Exploring Operation: 39-8=31, Resulting Numbers: [25, 31] Generated Node #0,0,1: 22:[25, 31] Operation: 39-8=31 Exploring Operation: 39-25=14, Resulting Numbers: [8, 14] Generated Node #0,0,2: 22:[8, 14] Operation: 39-25=14 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 22:[8, 14], Operations: ['50/2=25', '39-25=14'] Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[2, 39, 8, 50], Operations: [] Exploring Operation: 50/2=25, Resulting Numbers: [39, 8, 25] Generated Node #0,0: 22:[39, 8, 25] Operation: 50/2=25 Moving to Node #0,0 Current State: 22:[39, 8, 25], Operations: ['50/2=25'] Exploring Operation: 39-25=14, Resulting Numbers: [8, 14] Generated Node #0,0,2: 22:[8, 14] Operation: 39-25=14 Moving to Node #0,0,2 Current State: 22:[8, 14], Operations: ['50/2=25', '39-25=14'] Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
sum_heuristic
[ 54, 10, 69, 73 ]
98
[ "54-10=44", "69+73=142", "142-44=98" ]
Current State: 98:[54, 10, 69, 73], Operations: [] Exploring Operation: 54-10=44, Resulting Numbers: [69, 73, 44] Generated Node #2: [69, 73, 44] from Operation: 54-10=44 Current State: 98:[69, 73, 44], Operations: ['54-10=44'] Exploring Operation: 69+73=142, Resulting Numbers: [44, 142] Generated Node #3: [44, 142] from Operation: 69+73=142 Current State: 98:[44, 142], Operations: ['54-10=44', '69+73=142'] Exploring Operation: 142-44=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[54, 10, 69, 73], Operations: [] Exploring Operation: 73-69=4, Resulting Numbers: [54, 10, 4] Generated Node #0,0: 98:[54, 10, 4] Operation: 73-69=4 Exploring Operation: 73-54=19, Resulting Numbers: [10, 69, 19] Generated Node #0,1: 98:[10, 69, 19] Operation: 73-54=19 Exploring Operation: 69-54=15, Resulting Numbers: [10, 73, 15] Generated Node #0,2: 98:[10, 73, 15] Operation: 69-54=15 Moving to Node #0,0 Current State: 98:[54, 10, 4], Operations: ['73-69=4'] Exploring Operation: 10-4=6, Resulting Numbers: [54, 6] Generated Node #0,0,0: 98:[54, 6] Operation: 10-4=6 Exploring Operation: 10+4=14, Resulting Numbers: [54, 14] Generated Node #0,0,1: 98:[54, 14] Operation: 10+4=14 Exploring Operation: 54-4=50, Resulting Numbers: [10, 50] Generated Node #0,0,2: 98:[10, 50] Operation: 54-4=50 Moving to Node #0,1 Current State: 98:[10, 69, 19], Operations: ['73-54=19'] Exploring Operation: 69-10=59, Resulting Numbers: [19, 59] Generated Node #0,1,0: 98:[19, 59] Operation: 69-10=59 Exploring Operation: 69+19=88, Resulting Numbers: [10, 88] Generated Node #0,1,1: 98:[10, 88] Operation: 69+19=88 Exploring Operation: 69-19=50, Resulting Numbers: [10, 50] Generated Node #0,1,2: 98:[10, 50] Operation: 69-19=50 Moving to Node #0,2 Current State: 98:[10, 73, 15], Operations: ['69-54=15'] Exploring Operation: 73-10=63, Resulting Numbers: [15, 63] Generated Node #0,2,0: 98:[15, 63] Operation: 73-10=63 Exploring Operation: 73+15=88, Resulting Numbers: [10, 88] Generated Node #0,2,1: 98:[10, 88] Operation: 73+15=88 Exploring Operation: 73-15=58, Resulting Numbers: [10, 58] Generated Node #0,2,2: 98:[10, 58] Operation: 73-15=58 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 98:[10, 58], Operations: ['69-54=15', '73-15=58'] Exploring Operation: 10*58=580, Resulting Numbers: [580] 580,98 unequal: No Solution Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 10+58=68, Resulting Numbers: [68] 68,98 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 #0,2,1 Current State: 98:[10, 88], Operations: ['69-54=15', '73+15=88'] Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 10*88=880, Resulting Numbers: [880] 880,98 unequal: No Solution Exploring Operation: 10+88=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[54, 10, 69, 73], Operations: [] Exploring Operation: 69-54=15, Resulting Numbers: [10, 73, 15] Generated Node #0,2: 98:[10, 73, 15] Operation: 69-54=15 Moving to Node #0,2 Current State: 98:[10, 73, 15], Operations: ['69-54=15'] Exploring Operation: 73+15=88, Resulting Numbers: [10, 88] Generated Node #0,2,1: 98:[10, 88] Operation: 73+15=88 Moving to Node #0,2,1 Current State: 98:[10, 88], Operations: ['69-54=15', '73+15=88'] Exploring Operation: 10+88=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_3
mult_heuristic
[ 49, 6, 18, 28 ]
74
[ "49+28=77", "18/6=3", "77-3=74" ]
Current State: 74:[49, 6, 18, 28], Operations: [] Exploring Operation: 49+28=77, Resulting Numbers: [6, 18, 77] Generated Node #2: [6, 18, 77] from Operation: 49+28=77 Current State: 74:[6, 18, 77], Operations: ['49+28=77'] Exploring Operation: 18/6=3, Resulting Numbers: [77, 3] Generated Node #3: [77, 3] from Operation: 18/6=3 Current State: 74:[77, 3], Operations: ['49+28=77', '18/6=3'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[49, 6, 18, 28], Operations: [] Exploring Operation: 18/6=3, Resulting Numbers: [49, 28, 3] Generated Node #0,0: 74:[49, 28, 3] Operation: 18/6=3 Exploring Operation: 49+18=67, Resulting Numbers: [6, 28, 67] Generated Node #0,1: 74:[6, 28, 67] Operation: 49+18=67 Exploring Operation: 28-18=10, Resulting Numbers: [49, 6, 10] Generated Node #0,2: 74:[49, 6, 10] Operation: 28-18=10 Exploring Operation: 49-18=31, Resulting Numbers: [6, 28, 31] Generated Node #0,3: 74:[6, 28, 31] Operation: 49-18=31 Exploring Operation: 49+28=77, Resulting Numbers: [6, 18, 77] Generated Node #0,4: 74:[6, 18, 77] Operation: 49+28=77 Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[6, 28, 31], Operations: ['49-18=31'] Exploring Operation: 28+31=59, Resulting Numbers: [6, 59] Generated Node #0,3,0: 74:[6, 59] Operation: 28+31=59 Exploring Operation: 6+28=34, Resulting Numbers: [31, 34] Generated Node #0,3,1: 74:[31, 34] Operation: 6+28=34 Exploring Operation: 31-28=3, Resulting Numbers: [6, 3] Generated Node #0,3,2: 74:[6, 3] Operation: 31-28=3 Exploring Operation: 28-6=22, Resulting Numbers: [31, 22] Generated Node #0,3,3: 74:[31, 22] Operation: 28-6=22 Exploring Operation: 6+31=37, Resulting Numbers: [28, 37] Generated Node #0,3,4: 74:[28, 37] Operation: 6+31=37 Moving to Node #0,3,2 Current State: 74:[6, 3], Operations: ['49-18=31', '31-28=3'] Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,74 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,74 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,74 unequal: No Solution Moving to Node #0,3,4 Current State: 74:[28, 37], Operations: ['49-18=31', '6+31=37'] Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,74 unequal: No Solution Exploring Operation: 28+37=65, Resulting Numbers: [65] 65,74 unequal: No Solution Exploring Operation: 28*37=1036, Resulting Numbers: [1036] 1036,74 unequal: No Solution Moving to Node #0,3,1 Current State: 74:[31, 34], Operations: ['49-18=31', '6+28=34'] Exploring Operation: 31*34=1054, Resulting Numbers: [1054] 1054,74 unequal: No Solution Exploring Operation: 31+34=65, Resulting Numbers: [65] 65,74 unequal: No Solution Exploring Operation: 34-31=3, Resulting Numbers: [3] 3,74 unequal: No Solution Moving to Node #0,3,0 Current State: 74:[6, 59], Operations: ['49-18=31', '28+31=59'] Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,74 unequal: No Solution Exploring Operation: 6+59=65, Resulting Numbers: [65] 65,74 unequal: No Solution Exploring Operation: 6*59=354, Resulting Numbers: [354] 354,74 unequal: No Solution Moving to Node #0,3,3 Current State: 74:[31, 22], Operations: ['49-18=31', '28-6=22'] Exploring Operation: 31+22=53, Resulting Numbers: [53] 53,74 unequal: No Solution Exploring Operation: 31-22=9, Resulting Numbers: [9] 9,74 unequal: No Solution Exploring Operation: 31*22=682, Resulting Numbers: [682] 682,74 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 Current State: 74:[6, 28, 67], Operations: ['49+18=67'] Exploring Operation: 67-6=61, Resulting Numbers: [28, 61] Generated Node #0,1,0: 74:[28, 61] Operation: 67-6=61 Exploring Operation: 6+67=73, Resulting Numbers: [28, 73] Generated Node #0,1,1: 74:[28, 73] Operation: 6+67=73 Exploring Operation: 67-28=39, Resulting Numbers: [6, 39] Generated Node #0,1,2: 74:[6, 39] Operation: 67-28=39 Exploring Operation: 28-6=22, Resulting Numbers: [67, 22] Generated Node #0,1,3: 74:[67, 22] Operation: 28-6=22 Exploring Operation: 6+28=34, Resulting Numbers: [67, 34] Generated Node #0,1,4: 74:[67, 34] Operation: 6+28=34 Moving to Node #0,1,2 Current State: 74:[6, 39], Operations: ['49+18=67', '67-28=39'] Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 6+39=45, Resulting Numbers: [45] 45,74 unequal: No Solution Exploring Operation: 6*39=234, Resulting Numbers: [234] 234,74 unequal: No Solution Moving to Node #0,1,4 Current State: 74:[67, 34], Operations: ['49+18=67', '6+28=34'] Exploring Operation: 67-34=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 67*34=2278, Resulting Numbers: [2278] 2278,74 unequal: No Solution Exploring Operation: 67+34=101, Resulting Numbers: [101] 101,74 unequal: No Solution Moving to Node #0,1,1 Current State: 74:[28, 73], Operations: ['49+18=67', '6+67=73'] Exploring Operation: 28*73=2044, Resulting Numbers: [2044] 2044,74 unequal: No Solution Exploring Operation: 73-28=45, Resulting Numbers: [45] 45,74 unequal: No Solution Exploring Operation: 28+73=101, Resulting Numbers: [101] 101,74 unequal: No Solution Moving to Node #0,1,0 Current State: 74:[28, 61], Operations: ['49+18=67', '67-6=61'] Exploring Operation: 61-28=33, Resulting Numbers: [33] 33,74 unequal: No Solution Exploring Operation: 28+61=89, Resulting Numbers: [89] 89,74 unequal: No Solution Exploring Operation: 28*61=1708, Resulting Numbers: [1708] 1708,74 unequal: No Solution Moving to Node #0,1,3 Current State: 74:[67, 22], Operations: ['49+18=67', '28-6=22'] Exploring Operation: 67*22=1474, Resulting Numbers: [1474] 1474,74 unequal: No Solution Exploring Operation: 67+22=89, Resulting Numbers: [89] 89,74 unequal: No Solution Exploring Operation: 67-22=45, Resulting Numbers: [45] 45,74 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 Current State: 74:[49, 28, 3], Operations: ['18/6=3'] Exploring Operation: 49+28=77, Resulting Numbers: [3, 77] Generated Node #0,0,0: 74:[3, 77] Operation: 49+28=77 Exploring Operation: 49-3=46, Resulting Numbers: [28, 46] Generated Node #0,0,1: 74:[28, 46] Operation: 49-3=46 Exploring Operation: 49-28=21, Resulting Numbers: [3, 21] Generated Node #0,0,2: 74:[3, 21] Operation: 49-28=21 Exploring Operation: 28*3=84, Resulting Numbers: [49, 84] Generated Node #0,0,3: 74:[49, 84] Operation: 28*3=84 Exploring Operation: 28+3=31, Resulting Numbers: [49, 31] Generated Node #0,0,4: 74:[49, 31] Operation: 28+3=31 Moving to Node #0,0,0 Current State: 74:[3, 77], Operations: ['18/6=3', '49+28=77'] Exploring Operation: 3*77=231, Resulting Numbers: [231] 231,74 unequal: No Solution Exploring Operation: 3+77=80, Resulting Numbers: [80] 80,74 unequal: No Solution Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[49, 6, 18, 28], Operations: [] Exploring Operation: 18/6=3, Resulting Numbers: [49, 28, 3] Generated Node #0,0: 74:[49, 28, 3] Operation: 18/6=3 Moving to Node #0,0 Current State: 74:[49, 28, 3], Operations: ['18/6=3'] Exploring Operation: 49+28=77, Resulting Numbers: [3, 77] Generated Node #0,0,0: 74:[3, 77] Operation: 49+28=77 Moving to Node #0,0,0 Current State: 74:[3, 77], Operations: ['18/6=3', '49+28=77'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 1
0.949653
hs_5
mult_heuristic
[ 38, 78, 56, 11 ]
40
[ "78-56=22", "22/11=2", "38+2=40" ]
Current State: 40:[38, 78, 56, 11], Operations: [] Exploring Operation: 78-56=22, Resulting Numbers: [38, 11, 22] Generated Node #2: [38, 11, 22] from Operation: 78-56=22 Current State: 40:[38, 11, 22], Operations: ['78-56=22'] Exploring Operation: 22/11=2, Resulting Numbers: [38, 2] Generated Node #3: [38, 2] from Operation: 22/11=2 Current State: 40:[38, 2], Operations: ['78-56=22', '22/11=2'] Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[38, 78, 56, 11], Operations: [] Exploring Operation: 78-56=22, Resulting Numbers: [38, 11, 22] Generated Node #0,0: 40:[38, 11, 22] Operation: 78-56=22 Exploring Operation: 56-38=18, Resulting Numbers: [78, 11, 18] Generated Node #0,1: 40:[78, 11, 18] Operation: 56-38=18 Exploring Operation: 78-38=40, Resulting Numbers: [56, 11, 40] Generated Node #0,2: 40:[56, 11, 40] Operation: 78-38=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[38, 11, 22], Operations: ['78-56=22'] Exploring Operation: 22-11=11, Resulting Numbers: [38, 11] Generated Node #0,0,0: 40:[38, 11] Operation: 22-11=11 Exploring Operation: 22/11=2, Resulting Numbers: [38, 2] Generated Node #0,0,1: 40:[38, 2] Operation: 22/11=2 Exploring Operation: 38-22=16, Resulting Numbers: [11, 16] Generated Node #0,0,2: 40:[11, 16] Operation: 38-22=16 Moving to Node #0,0,1 Current State: 40:[38, 2], Operations: ['78-56=22', '22/11=2'] Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[38, 78, 56, 11], Operations: [] Exploring Operation: 78-56=22, Resulting Numbers: [38, 11, 22] Generated Node #0,0: 40:[38, 11, 22] Operation: 78-56=22 Moving to Node #0,0 Current State: 40:[38, 11, 22], Operations: ['78-56=22'] Exploring Operation: 22/11=2, Resulting Numbers: [38, 2] Generated Node #0,0,1: 40:[38, 2] Operation: 22/11=2 Moving to Node #0,0,1 Current State: 40:[38, 2], Operations: ['78-56=22', '22/11=2'] Exploring Operation: 38+2=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 86, 71, 93, 43 ]
20
[ "86/43=2", "93-71=22", "22-2=20" ]
Current State: 20:[86, 71, 93, 43], Operations: [] Exploring Operation: 86/43=2, Resulting Numbers: [71, 93, 2] Generated Node #2: [71, 93, 2] from Operation: 86/43=2 Current State: 20:[71, 93, 2], Operations: ['86/43=2'] Exploring Operation: 93-71=22, Resulting Numbers: [2, 22] Generated Node #3: [2, 22] from Operation: 93-71=22 Current State: 20:[2, 22], Operations: ['86/43=2', '93-71=22'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[86, 71, 93, 43], Operations: [] Exploring Operation: 93-71=22, Resulting Numbers: [86, 43, 22] Generated Node #0,0: 20:[86, 43, 22] Operation: 93-71=22 Exploring Operation: 93-86=7, Resulting Numbers: [71, 43, 7] Generated Node #0,1: 20:[71, 43, 7] Operation: 93-86=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[71, 43, 7], Operations: ['93-86=7'] Exploring Operation: 71-43=28, Resulting Numbers: [7, 28] Generated Node #0,1,0: 20:[7, 28] Operation: 71-43=28 Exploring Operation: 71-7=64, Resulting Numbers: [43, 64] Generated Node #0,1,1: 20:[43, 64] Operation: 71-7=64 Moving to Node #0,1,0 Current State: 20:[7, 28], Operations: ['93-86=7', '71-43=28'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,20 unequal: No Solution Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[43, 64], Operations: ['93-86=7', '71-7=64'] Exploring Operation: 64-43=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 43+64=107, Resulting Numbers: [107] 107,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[86, 43, 22], Operations: ['93-71=22'] Exploring Operation: 86-43=43, Resulting Numbers: [22, 43] Generated Node #0,0,0: 20:[22, 43] Operation: 86-43=43 Exploring Operation: 86/43=2, Resulting Numbers: [22, 2] Generated Node #0,0,1: 20:[22, 2] Operation: 86/43=2 Moving to Node #0,0,1 Current State: 20:[22, 2], Operations: ['93-71=22', '86/43=2'] Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,20 unequal: No Solution Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[86, 71, 93, 43], Operations: [] Exploring Operation: 93-71=22, Resulting Numbers: [86, 43, 22] Generated Node #0,0: 20:[86, 43, 22] Operation: 93-71=22 Moving to Node #0,0 Current State: 20:[86, 43, 22], Operations: ['93-71=22'] Exploring Operation: 86/43=2, Resulting Numbers: [22, 2] Generated Node #0,0,1: 20:[22, 2] Operation: 86/43=2 Moving to Node #0,0,1 Current State: 20:[22, 2], Operations: ['93-71=22', '86/43=2'] Exploring Operation: 22-2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 22, 16, 12, 72 ]
45
[ "22-12=10", "72*10=720", "720/16=45" ]
Current State: 45:[22, 16, 12, 72], Operations: [] Exploring Operation: 22-12=10, Resulting Numbers: [16, 72, 10] Generated Node #2: [16, 72, 10] from Operation: 22-12=10 Current State: 45:[16, 72, 10], Operations: ['22-12=10'] Exploring Operation: 72*10=720, Resulting Numbers: [16, 720] Generated Node #3: [16, 720] from Operation: 72*10=720 Current State: 45:[16, 720], Operations: ['22-12=10', '72*10=720'] Exploring Operation: 720/16=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[22, 16, 12, 72], Operations: [] Exploring Operation: 72/12=6, Resulting Numbers: [22, 16, 6] Generated Node #0,0: 45:[22, 16, 6] Operation: 72/12=6 Exploring Operation: 72-22=50, Resulting Numbers: [16, 12, 50] Generated Node #0,1: 45:[16, 12, 50] Operation: 72-22=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[22, 16, 6], Operations: ['72/12=6'] Exploring Operation: 22-16=6, Resulting Numbers: [6, 6] Generated Node #0,0,0: 45:[6, 6] Operation: 22-16=6 Exploring Operation: 22-6=16, Resulting Numbers: [16, 16] Generated Node #0,0,1: 45:[16, 16] Operation: 22-6=16 Moving to Node #0,0,0 Current State: 45:[6, 6], Operations: ['72/12=6', '22-16=6'] Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,45 unequal: No Solution Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,45 unequal: No Solution Moving to Node #0,0,1 Current State: 45:[16, 16], Operations: ['72/12=6', '22-6=16'] Exploring Operation: 16/16=1, Resulting Numbers: [1] 1,45 unequal: No Solution Exploring Operation: 16-16=0, Resulting Numbers: [0] 0,45 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 Current State: 45:[16, 12, 50], Operations: ['72-22=50'] Exploring Operation: 16-12=4, Resulting Numbers: [50, 4] Generated Node #0,1,0: 45:[50, 4] Operation: 16-12=4 Exploring Operation: 50-12=38, Resulting Numbers: [16, 38] Generated Node #0,1,1: 45:[16, 38] Operation: 50-12=38 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 45:[50, 4], Operations: ['72-22=50', '16-12=4'] Exploring Operation: 50+4=54, Resulting Numbers: [54] 54,45 unequal: No Solution Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,45 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 45:[16, 38], Operations: ['72-22=50', '50-12=38'] Exploring Operation: 16+38=54, Resulting Numbers: [54] 54,45 unequal: No Solution Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,45 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_2
mult_heuristic
[ 49, 97, 73, 99 ]
61
[ "49+73=122", "99-97=2", "122/2=61" ]
Current State: 61:[49, 97, 73, 99], Operations: [] Exploring Operation: 49+73=122, Resulting Numbers: [97, 99, 122] Generated Node #2: [97, 99, 122] from Operation: 49+73=122 Current State: 61:[97, 99, 122], Operations: ['49+73=122'] Exploring Operation: 99-97=2, Resulting Numbers: [122, 2] Generated Node #3: [122, 2] from Operation: 99-97=2 Current State: 61:[122, 2], Operations: ['49+73=122', '99-97=2'] Exploring Operation: 122/2=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[49, 97, 73, 99], Operations: [] Exploring Operation: 99-49=50, Resulting Numbers: [97, 73, 50] Generated Node #0,0: 61:[97, 73, 50] Operation: 99-49=50 Exploring Operation: 97-49=48, Resulting Numbers: [73, 99, 48] Generated Node #0,1: 61:[73, 99, 48] Operation: 97-49=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[97, 73, 50], Operations: ['99-49=50'] Exploring Operation: 97-50=47, Resulting Numbers: [73, 47] Generated Node #0,0,0: 61:[73, 47] Operation: 97-50=47 Exploring Operation: 97-73=24, Resulting Numbers: [50, 24] Generated Node #0,0,1: 61:[50, 24] Operation: 97-73=24 Moving to Node #0,0,0 Current State: 61:[73, 47], Operations: ['99-49=50', '97-50=47'] Exploring Operation: 73-47=26, Resulting Numbers: [26] 26,61 unequal: No Solution Exploring Operation: 73+47=120, Resulting Numbers: [120] 120,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[50, 24], Operations: ['99-49=50', '97-73=24'] Exploring Operation: 50+24=74, Resulting Numbers: [74] 74,61 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,61 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[73, 99, 48], Operations: ['97-49=48'] Exploring Operation: 99-48=51, Resulting Numbers: [73, 51] Generated Node #0,1,0: 61:[73, 51] Operation: 99-48=51 Exploring Operation: 99-73=26, Resulting Numbers: [48, 26] Generated Node #0,1,1: 61:[48, 26] Operation: 99-73=26 Moving to Node #0,1,0 Current State: 61:[73, 51], Operations: ['97-49=48', '99-48=51'] Exploring Operation: 73+51=124, Resulting Numbers: [124] 124,61 unequal: No Solution Exploring Operation: 73-51=22, Resulting Numbers: [22] 22,61 unequal: No Solution Moving to Node #0,1,1 Current State: 61:[48, 26], Operations: ['97-49=48', '99-73=26'] Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,61 unequal: No Solution Exploring Operation: 48+26=74, Resulting Numbers: [74] 74,61 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
[ 70, 78, 27, 74 ]
25
[ "70+78=148", "148/74=2", "27-2=25" ]
Current State: 25:[70, 78, 27, 74], Operations: [] Exploring Operation: 70+78=148, Resulting Numbers: [27, 74, 148] Generated Node #2: [27, 74, 148] from Operation: 70+78=148 Current State: 25:[27, 74, 148], Operations: ['70+78=148'] Exploring Operation: 148/74=2, Resulting Numbers: [27, 2] Generated Node #3: [27, 2] from Operation: 148/74=2 Current State: 25:[27, 2], Operations: ['70+78=148', '148/74=2'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[70, 78, 27, 74], Operations: [] Exploring Operation: 70-27=43, Resulting Numbers: [78, 74, 43] Generated Node #0,0: 25:[78, 74, 43] Operation: 70-27=43 Exploring Operation: 78-74=4, Resulting Numbers: [70, 27, 4] Generated Node #0,1: 25:[70, 27, 4] Operation: 78-74=4 Exploring Operation: 74-70=4, Resulting Numbers: [78, 27, 4] Generated Node #0,2: 25:[78, 27, 4] Operation: 74-70=4 Exploring Operation: 78-70=8, Resulting Numbers: [27, 74, 8] Generated Node #0,3: 25:[27, 74, 8] Operation: 78-70=8 Moving to Node #0,1 Current State: 25:[70, 27, 4], Operations: ['78-74=4'] Exploring Operation: 27-4=23, Resulting Numbers: [70, 23] Generated Node #0,1,0: 25:[70, 23] Operation: 27-4=23 Exploring Operation: 70-4=66, Resulting Numbers: [27, 66] Generated Node #0,1,1: 25:[27, 66] Operation: 70-4=66 Exploring Operation: 70-27=43, Resulting Numbers: [4, 43] Generated Node #0,1,2: 25:[4, 43] Operation: 70-27=43 Exploring Operation: 70+4=74, Resulting Numbers: [27, 74] Generated Node #0,1,3: 25:[27, 74] Operation: 70+4=74 Moving to Node #0,3 Current State: 25:[27, 74, 8], Operations: ['78-70=8'] Exploring Operation: 27+8=35, Resulting Numbers: [74, 35] Generated Node #0,3,0: 25:[74, 35] Operation: 27+8=35 Exploring Operation: 27-8=19, Resulting Numbers: [74, 19] Generated Node #0,3,1: 25:[74, 19] Operation: 27-8=19 Exploring Operation: 74-27=47, Resulting Numbers: [8, 47] Generated Node #0,3,2: 25:[8, 47] Operation: 74-27=47 Exploring Operation: 74-8=66, Resulting Numbers: [27, 66] Generated Node #0,3,3: 25:[27, 66] Operation: 74-8=66 Moving to Node #0,2 Current State: 25:[78, 27, 4], Operations: ['74-70=4'] Exploring Operation: 78-27=51, Resulting Numbers: [4, 51] Generated Node #0,2,0: 25:[4, 51] Operation: 78-27=51 Exploring Operation: 78+4=82, Resulting Numbers: [27, 82] Generated Node #0,2,1: 25:[27, 82] Operation: 78+4=82 Exploring Operation: 27-4=23, Resulting Numbers: [78, 23] Generated Node #0,2,2: 25:[78, 23] Operation: 27-4=23 Exploring Operation: 78-4=74, Resulting Numbers: [27, 74] Generated Node #0,2,3: 25:[27, 74] Operation: 78-4=74 Moving to Node #0,0 Current State: 25:[78, 74, 43], Operations: ['70-27=43'] Exploring Operation: 74-43=31, Resulting Numbers: [78, 31] Generated Node #0,0,0: 25:[78, 31] Operation: 74-43=31 Exploring Operation: 78-74=4, Resulting Numbers: [43, 4] Generated Node #0,0,1: 25:[43, 4] Operation: 78-74=4 Exploring Operation: 78-43=35, Resulting Numbers: [74, 35] Generated Node #0,0,2: 25:[74, 35] Operation: 78-43=35 Exploring Operation: 78+74=152, Resulting Numbers: [43, 152] Generated Node #0,0,3: 25:[43, 152] Operation: 78+74=152 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 25:[43, 4], Operations: ['70-27=43', '78-74=4'] Exploring Operation: 43+4=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 43*4=172, Resulting Numbers: [172] 172,25 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 25:[78, 31], Operations: ['70-27=43', '74-43=31'] Exploring Operation: 78-31=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 78+31=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 78*31=2418, Resulting Numbers: [2418] 2418,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 25:[74, 35], Operations: ['70-27=43', '78-43=35'] Exploring Operation: 74-35=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 74*35=2590, Resulting Numbers: [2590] 2590,25 unequal: No Solution Exploring Operation: 74+35=109, Resulting Numbers: [109] 109,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 25:[43, 152], Operations: ['70-27=43', '78+74=152'] Exploring Operation: 43*152=6536, Resulting Numbers: [6536] 6536,25 unequal: No Solution Exploring Operation: 152-43=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 43+152=195, Resulting Numbers: [195] 195,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,2 Current State: 25:[4, 43], Operations: ['78-74=4', '70-27=43'] Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,25 unequal: No Solution Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,25 unequal: No Solution Moving to Node #0,3,2 Current State: 25:[8, 47], Operations: ['78-70=8', '74-27=47'] Exploring Operation: 47-8=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 8+47=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 8*47=376, Resulting Numbers: [376] 376,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[4, 51], Operations: ['74-70=4', '78-27=51'] Exploring Operation: 4+51=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 4*51=204, Resulting Numbers: [204] 204,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[27, 66], Operations: ['78-70=8', '74-8=66'] Exploring Operation: 27+66=93, Resulting Numbers: [93] 93,25 unequal: No Solution Exploring Operation: 66-27=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 27*66=1782, Resulting Numbers: [1782] 1782,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[27, 66], Operations: ['78-74=4', '70-4=66'] Exploring Operation: 66-27=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 27*66=1782, Resulting Numbers: [1782] 1782,25 unequal: No Solution Exploring Operation: 27+66=93, Resulting Numbers: [93] 93,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[70, 23], Operations: ['78-74=4', '27-4=23'] Exploring Operation: 70+23=93, Resulting Numbers: [93] 93,25 unequal: No Solution Exploring Operation: 70*23=1610, Resulting Numbers: [1610] 1610,25 unequal: No Solution Exploring Operation: 70-23=47, Resulting Numbers: [47] 47,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[27, 74], Operations: ['74-70=4', '78-4=74'] Exploring Operation: 27*74=1998, Resulting Numbers: [1998] 1998,25 unequal: No Solution Exploring Operation: 27+74=101, Resulting Numbers: [101] 101,25 unequal: No Solution Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[27, 74], Operations: ['78-74=4', '70+4=74'] Exploring Operation: 27*74=1998, Resulting Numbers: [1998] 1998,25 unequal: No Solution Exploring Operation: 74-27=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 27+74=101, Resulting Numbers: [101] 101,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[74, 19], Operations: ['78-70=8', '27-8=19'] Exploring Operation: 74+19=93, Resulting Numbers: [93] 93,25 unequal: No Solution Exploring Operation: 74*19=1406, Resulting Numbers: [1406] 1406,25 unequal: No Solution Exploring Operation: 74-19=55, Resulting Numbers: [55] 55,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[78, 23], Operations: ['74-70=4', '27-4=23'] Exploring Operation: 78+23=101, Resulting Numbers: [101] 101,25 unequal: No Solution Exploring Operation: 78*23=1794, Resulting Numbers: [1794] 1794,25 unequal: No Solution Exploring Operation: 78-23=55, Resulting Numbers: [55] 55,25 unequal: No Solution Moving to Node #0,3,0 Current State: 25:[74, 35], Operations: ['78-70=8', '27+8=35'] Exploring Operation: 74-35=39, Resulting Numbers: [39] 39,25 unequal: No Solution Exploring Operation: 74+35=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 74*35=2590, Resulting Numbers: [2590] 2590,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[27, 82], Operations: ['74-70=4', '78+4=82'] Exploring Operation: 27+82=109, Resulting Numbers: [109] 109,25 unequal: No Solution Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 27*82=2214, Resulting Numbers: [2214] 2214,25 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 47, 84, 7, 82 ]
79
[ "82-47=35", "35/7=5", "84-5=79" ]
Current State: 79:[47, 84, 7, 82], Operations: [] Exploring Operation: 82-47=35, Resulting Numbers: [84, 7, 35] Generated Node #2: [84, 7, 35] from Operation: 82-47=35 Current State: 79:[84, 7, 35], Operations: ['82-47=35'] Exploring Operation: 35/7=5, Resulting Numbers: [84, 5] Generated Node #3: [84, 5] from Operation: 35/7=5 Current State: 79:[84, 5], Operations: ['82-47=35', '35/7=5'] Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[47, 84, 7, 82], Operations: [] Exploring Operation: 84-7=77, Resulting Numbers: [47, 82, 77] Generated Node #0,0: 79:[47, 82, 77] Operation: 84-7=77 Exploring Operation: 82-7=75, Resulting Numbers: [47, 84, 75] Generated Node #0,1: 79:[47, 84, 75] Operation: 82-7=75 Exploring Operation: 47+7=54, Resulting Numbers: [84, 82, 54] Generated Node #0,2: 79:[84, 82, 54] Operation: 47+7=54 Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[84, 82, 54], Operations: ['47+7=54'] Exploring Operation: 82-54=28, Resulting Numbers: [84, 28] Generated Node #0,2,0: 79:[84, 28] Operation: 82-54=28 Exploring Operation: 84+54=138, Resulting Numbers: [82, 138] Generated Node #0,2,1: 79:[82, 138] Operation: 84+54=138 Exploring Operation: 84-54=30, Resulting Numbers: [82, 30] Generated Node #0,2,2: 79:[82, 30] Operation: 84-54=30 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 79:[82, 30], Operations: ['47+7=54', '84-54=30'] Exploring Operation: 82-30=52, Resulting Numbers: [52] 52,79 unequal: No Solution Exploring Operation: 82*30=2460, Resulting Numbers: [2460] 2460,79 unequal: No Solution Exploring Operation: 82+30=112, Resulting Numbers: [112] 112,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[84, 28], Operations: ['47+7=54', '82-54=28'] Exploring Operation: 84+28=112, Resulting Numbers: [112] 112,79 unequal: No Solution Exploring Operation: 84/28=3, Resulting Numbers: [3] 3,79 unequal: No Solution Exploring Operation: 84-28=56, Resulting Numbers: [56] 56,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[82, 138], Operations: ['47+7=54', '84+54=138'] Exploring Operation: 138-82=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 82+138=220, Resulting Numbers: [220] 220,79 unequal: No Solution Exploring Operation: 82*138=11316, Resulting Numbers: [11316] 11316,79 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:[47, 82, 77], Operations: ['84-7=77'] Exploring Operation: 47+77=124, Resulting Numbers: [82, 124] Generated Node #0,0,0: 79:[82, 124] Operation: 47+77=124 Exploring Operation: 82-47=35, Resulting Numbers: [77, 35] Generated Node #0,0,1: 79:[77, 35] Operation: 82-47=35 Exploring Operation: 47+82=129, Resulting Numbers: [77, 129] Generated Node #0,0,2: 79:[77, 129] Operation: 47+82=129 Moving to Node #0,0,1 Current State: 79:[77, 35], Operations: ['84-7=77', '82-47=35'] Exploring Operation: 77*35=2695, Resulting Numbers: [2695] 2695,79 unequal: No Solution Exploring Operation: 77+35=112, Resulting Numbers: [112] 112,79 unequal: No Solution Exploring Operation: 77-35=42, Resulting Numbers: [42] 42,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[82, 124], Operations: ['84-7=77', '47+77=124'] Exploring Operation: 82*124=10168, Resulting Numbers: [10168] 10168,79 unequal: No Solution Exploring Operation: 82+124=206, Resulting Numbers: [206] 206,79 unequal: No Solution Exploring Operation: 124-82=42, Resulting Numbers: [42] 42,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[77, 129], Operations: ['84-7=77', '47+82=129'] Exploring Operation: 77+129=206, Resulting Numbers: [206] 206,79 unequal: No Solution Exploring Operation: 77*129=9933, Resulting Numbers: [9933] 9933,79 unequal: No Solution Exploring Operation: 129-77=52, Resulting Numbers: [52] 52,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[47, 84, 75], Operations: ['82-7=75'] Exploring Operation: 47+75=122, Resulting Numbers: [84, 122] Generated Node #0,1,0: 79:[84, 122] Operation: 47+75=122 Exploring Operation: 47+84=131, Resulting Numbers: [75, 131] Generated Node #0,1,1: 79:[75, 131] Operation: 47+84=131 Exploring Operation: 84-47=37, Resulting Numbers: [75, 37] Generated Node #0,1,2: 79:[75, 37] Operation: 84-47=37 Moving to Node #0,1,2 Current State: 79:[75, 37], Operations: ['82-7=75', '84-47=37'] Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,79 unequal: No Solution Exploring Operation: 75+37=112, Resulting Numbers: [112] 112,79 unequal: No Solution Exploring Operation: 75*37=2775, Resulting Numbers: [2775] 2775,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[84, 122], Operations: ['82-7=75', '47+75=122'] Exploring Operation: 84*122=10248, Resulting Numbers: [10248] 10248,79 unequal: No Solution Exploring Operation: 84+122=206, Resulting Numbers: [206] 206,79 unequal: No Solution Exploring Operation: 122-84=38, Resulting Numbers: [38] 38,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[75, 131], Operations: ['82-7=75', '47+84=131'] Exploring Operation: 131-75=56, Resulting Numbers: [56] 56,79 unequal: No Solution Exploring Operation: 75*131=9825, Resulting Numbers: [9825] 9825,79 unequal: No Solution Exploring Operation: 75+131=206, Resulting Numbers: [206] 206,79 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
[ 36, 48, 80, 35 ]
57
[ "48-36=12", "80-35=45", "12+45=57" ]
Current State: 57:[36, 48, 80, 35], Operations: [] Exploring Operation: 48-36=12, Resulting Numbers: [80, 35, 12] Generated Node #2: [80, 35, 12] from Operation: 48-36=12 Current State: 57:[80, 35, 12], Operations: ['48-36=12'] Exploring Operation: 80-35=45, Resulting Numbers: [12, 45] Generated Node #3: [12, 45] from Operation: 80-35=45 Current State: 57:[12, 45], Operations: ['48-36=12', '80-35=45'] Exploring Operation: 12+45=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[36, 48, 80, 35], Operations: [] Exploring Operation: 36-35=1, Resulting Numbers: [48, 80, 1] Generated Node #0,0: 57:[48, 80, 1] Operation: 36-35=1 Exploring Operation: 80-36=44, Resulting Numbers: [48, 35, 44] Generated Node #0,1: 57:[48, 35, 44] Operation: 80-36=44 Moving to Node #0,0 Current State: 57:[48, 80, 1], Operations: ['36-35=1'] Exploring Operation: 48+1=49, Resulting Numbers: [80, 49] Generated Node #0,0,0: 57:[80, 49] Operation: 48+1=49 Exploring Operation: 80-48=32, Resulting Numbers: [1, 32] Generated Node #0,0,1: 57:[1, 32] Operation: 80-48=32 Moving to Node #0,1 Current State: 57:[48, 35, 44], Operations: ['80-36=44'] Exploring Operation: 48-44=4, Resulting Numbers: [35, 4] Generated Node #0,1,0: 57:[35, 4] Operation: 48-44=4 Exploring Operation: 44-35=9, Resulting Numbers: [48, 9] Generated Node #0,1,1: 57:[48, 9] Operation: 44-35=9 Moving to Node #0,0,1 Current State: 57:[1, 32], Operations: ['36-35=1', '80-48=32'] Exploring Operation: 1*32=32, Resulting Numbers: [32] 32,57 unequal: No Solution Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,57 unequal: No Solution Moving to Node #0,1,1 Current State: 57:[48, 9], Operations: ['80-36=44', '44-35=9'] Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,57 unequal: No Solution Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[36, 48, 80, 35], Operations: [] Exploring Operation: 80-36=44, Resulting Numbers: [48, 35, 44] Generated Node #0,1: 57:[48, 35, 44] Operation: 80-36=44 Moving to Node #0,1 Current State: 57:[48, 35, 44], Operations: ['80-36=44'] Exploring Operation: 44-35=9, Resulting Numbers: [48, 9] Generated Node #0,1,1: 57:[48, 9] Operation: 44-35=9 Moving to Node #0,1,1 Current State: 57:[48, 9], Operations: ['80-36=44', '44-35=9'] Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
0.987847
hs_2
mult_heuristic
[ 85, 82, 54, 34 ]
85
[ "85-82=3", "54+34=88", "88-3=85" ]
Current State: 85:[85, 82, 54, 34], Operations: [] Exploring Operation: 85-82=3, Resulting Numbers: [54, 34, 3] Generated Node #2: [54, 34, 3] from Operation: 85-82=3 Current State: 85:[54, 34, 3], Operations: ['85-82=3'] Exploring Operation: 54+34=88, Resulting Numbers: [3, 88] Generated Node #3: [3, 88] from Operation: 54+34=88 Current State: 85:[3, 88], Operations: ['85-82=3', '54+34=88'] Exploring Operation: 88-3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[85, 82, 54, 34], Operations: [] Exploring Operation: 82-54=28, Resulting Numbers: [85, 34, 28] Generated Node #0,0: 85:[85, 34, 28] Operation: 82-54=28 Exploring Operation: 54-34=20, Resulting Numbers: [85, 82, 20] Generated Node #0,1: 85:[85, 82, 20] Operation: 54-34=20 Exploring Operation: 54+34=88, Resulting Numbers: [85, 82, 88] Generated Node #0,2: 85:[85, 82, 88] Operation: 54+34=88 Moving to Node #0,1 Current State: 85:[85, 82, 20], Operations: ['54-34=20'] Exploring Operation: 82+20=102, Resulting Numbers: [85, 102] Generated Node #0,1,0: 85:[85, 102] Operation: 82+20=102 Exploring Operation: 85-82=3, Resulting Numbers: [20, 3] Generated Node #0,1,1: 85:[20, 3] Operation: 85-82=3 Exploring Operation: 85+20=105, Resulting Numbers: [82, 105] Generated Node #0,1,2: 85:[82, 105] Operation: 85+20=105 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[20, 3], Operations: ['54-34=20', '85-82=3'] Exploring Operation: 20*3=60, Resulting Numbers: [60] 60,85 unequal: No Solution Exploring Operation: 20+3=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 20-3=17, Resulting Numbers: [17] 17,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[85, 102], Operations: ['54-34=20', '82+20=102'] Exploring Operation: 85+102=187, Resulting Numbers: [187] 187,85 unequal: No Solution Exploring Operation: 102-85=17, Resulting Numbers: [17] 17,85 unequal: No Solution Exploring Operation: 85*102=8670, Resulting Numbers: [8670] 8670,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 85:[82, 105], Operations: ['54-34=20', '85+20=105'] Exploring Operation: 82+105=187, Resulting Numbers: [187] 187,85 unequal: No Solution Exploring Operation: 82*105=8610, Resulting Numbers: [8610] 8610,85 unequal: No Solution Exploring Operation: 105-82=23, Resulting Numbers: [23] 23,85 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: 85:[85, 82, 88], Operations: ['54+34=88'] Exploring Operation: 88-85=3, Resulting Numbers: [82, 3] Generated Node #0,2,0: 85:[82, 3] Operation: 88-85=3 Exploring Operation: 85-82=3, Resulting Numbers: [88, 3] Generated Node #0,2,1: 85:[88, 3] Operation: 85-82=3 Exploring Operation: 88-82=6, Resulting Numbers: [85, 6] Generated Node #0,2,2: 85:[85, 6] Operation: 88-82=6 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 85:[85, 6], Operations: ['54+34=88', '88-82=6'] Exploring Operation: 85*6=510, Resulting Numbers: [510] 510,85 unequal: No Solution Exploring Operation: 85-6=79, Resulting Numbers: [79] 79,85 unequal: No Solution Exploring Operation: 85+6=91, Resulting Numbers: [91] 91,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[82, 3], Operations: ['54+34=88', '88-85=3'] Exploring Operation: 82*3=246, Resulting Numbers: [246] 246,85 unequal: No Solution Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[85, 82, 54, 34], Operations: [] Exploring Operation: 54+34=88, Resulting Numbers: [85, 82, 88] Generated Node #0,2: 85:[85, 82, 88] Operation: 54+34=88 Moving to Node #0,2 Current State: 85:[85, 82, 88], Operations: ['54+34=88'] Exploring Operation: 88-85=3, Resulting Numbers: [82, 3] Generated Node #0,2,0: 85:[82, 3] Operation: 88-85=3 Moving to Node #0,2,0 Current State: 85:[82, 3], Operations: ['54+34=88', '88-85=3'] Exploring Operation: 82+3=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_3
mult_heuristic
[ 21, 7, 34, 22 ]
13
[ "34+22=56", "56/7=8", "21-8=13" ]
Current State: 13:[21, 7, 34, 22], Operations: [] Exploring Operation: 34+22=56, Resulting Numbers: [21, 7, 56] Generated Node #2: [21, 7, 56] from Operation: 34+22=56 Current State: 13:[21, 7, 56], Operations: ['34+22=56'] Exploring Operation: 56/7=8, Resulting Numbers: [21, 8] Generated Node #3: [21, 8] from Operation: 56/7=8 Current State: 13:[21, 8], Operations: ['34+22=56', '56/7=8'] Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[21, 7, 34, 22], Operations: [] Exploring Operation: 34-21=13, Resulting Numbers: [7, 22, 13] Generated Node #0,0: 13:[7, 22, 13] Operation: 34-21=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[7, 22, 13], Operations: ['34-21=13'] Exploring Operation: 22-7=15, Resulting Numbers: [13, 15] Generated Node #0,0,0: 13:[13, 15] Operation: 22-7=15 Moving to Node #0,0,0 Current State: 13:[13, 15], Operations: ['34-21=13', '22-7=15'] Exploring Operation: 15-13=2, Resulting Numbers: [2] 2,13 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
[ 27, 77, 28, 49 ]
50
[ "27*49=1323", "77+1323=1400", "1400/28=50" ]
Current State: 50:[27, 77, 28, 49], Operations: [] Exploring Operation: 27*49=1323, Resulting Numbers: [77, 28, 1323] Generated Node #2: [77, 28, 1323] from Operation: 27*49=1323 Current State: 50:[77, 28, 1323], Operations: ['27*49=1323'] Exploring Operation: 77+1323=1400, Resulting Numbers: [28, 1400] Generated Node #3: [28, 1400] from Operation: 77+1323=1400 Current State: 50:[28, 1400], Operations: ['27*49=1323', '77+1323=1400'] Exploring Operation: 1400/28=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[27, 77, 28, 49], Operations: [] Exploring Operation: 77-28=49, Resulting Numbers: [27, 49, 49] Generated Node #0,0: 50:[27, 49, 49] Operation: 77-28=49 Exploring Operation: 77-27=50, Resulting Numbers: [28, 49, 50] Generated Node #0,1: 50:[28, 49, 50] Operation: 77-27=50 Exploring Operation: 77-49=28, Resulting Numbers: [27, 28, 28] Generated Node #0,2: 50:[27, 28, 28] Operation: 77-49=28 Exploring Operation: 28-27=1, Resulting Numbers: [77, 49, 1] Generated Node #0,3: 50:[77, 49, 1] Operation: 28-27=1 Moving to Node #0,0 Current State: 50:[27, 49, 49], Operations: ['77-28=49'] Exploring Operation: 49-27=22, Resulting Numbers: [49, 22] Generated Node #0,0,0: 50:[49, 22] Operation: 49-27=22 Exploring Operation: 49/49=1, Resulting Numbers: [27, 1] Generated Node #0,0,1: 50:[27, 1] Operation: 49/49=1 Exploring Operation: 49-49=0, Resulting Numbers: [27, 0] Generated Node #0,0,2: 50:[27, 0] Operation: 49-49=0 Exploring Operation: 49-27=22, Resulting Numbers: [49, 22] Generated Node #0,0,3: 50:[49, 22] Operation: 49-27=22 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 50:[27, 1], Operations: ['77-28=49', '49/49=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[49, 22], Operations: ['77-28=49', '49-27=22'] Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,50 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 49*22=1078, Resulting Numbers: [1078] 1078,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 50:[27, 0], Operations: ['77-28=49', '49-49=0'] Exploring Operation: 27+0=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 27-0=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 27*0=0, Resulting Numbers: [0] 0,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 50:[49, 22], Operations: ['77-28=49', '49-27=22'] Exploring Operation: 49*22=1078, Resulting Numbers: [1078] 1078,50 unequal: No Solution Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,50 unequal: No Solution Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 50:[28, 49, 50], Operations: ['77-27=50'] Exploring Operation: 50-28=22, Resulting Numbers: [49, 22] Generated Node #0,1,0: 50:[49, 22] Operation: 50-28=22 Exploring Operation: 28+49=77, Resulting Numbers: [50, 77] Generated Node #0,1,1: 50:[50, 77] Operation: 28+49=77 Exploring Operation: 50-49=1, Resulting Numbers: [28, 1] Generated Node #0,1,2: 50:[28, 1] Operation: 50-49=1 Exploring Operation: 49-28=21, Resulting Numbers: [50, 21] Generated Node #0,1,3: 50:[50, 21] Operation: 49-28=21 Moving to Node #0,2 Current State: 50:[27, 28, 28], Operations: ['77-49=28'] Exploring Operation: 28-27=1, Resulting Numbers: [28, 1] Generated Node #0,2,0: 50:[28, 1] Operation: 28-27=1 Exploring Operation: 28-27=1, Resulting Numbers: [28, 1] Generated Node #0,2,1: 50:[28, 1] Operation: 28-27=1 Exploring Operation: 28/28=1, Resulting Numbers: [27, 1] Generated Node #0,2,2: 50:[27, 1] Operation: 28/28=1 Exploring Operation: 28-28=0, Resulting Numbers: [27, 0] Generated Node #0,2,3: 50:[27, 0] Operation: 28-28=0 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 50:[27, 1], Operations: ['77-49=28', '28/28=1'] Exploring Operation: 27+1=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,50 unequal: No Solution Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 50:[28, 1], Operations: ['77-49=28', '28-27=1'] Exploring Operation: 28+1=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 50:[28, 1], Operations: ['77-49=28', '28-27=1'] Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 28+1=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 50:[27, 0], Operations: ['77-49=28', '28-28=0'] Exploring Operation: 27-0=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 27+0=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 27*0=0, Resulting Numbers: [0] 0,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 50:[77, 49, 1], Operations: ['28-27=1'] Exploring Operation: 77-1=76, Resulting Numbers: [49, 76] Generated Node #0,3,0: 50:[49, 76] Operation: 77-1=76 Exploring Operation: 77-49=28, Resulting Numbers: [1, 28] Generated Node #0,3,1: 50:[1, 28] Operation: 77-49=28 Exploring Operation: 77*1=77, Resulting Numbers: [49, 77] Generated Node #0,3,2: 50:[49, 77] Operation: 77*1=77 Exploring Operation: 49+1=50, Resulting Numbers: [77, 50] Generated Node #0,3,3: 50:[77, 50] Operation: 49+1=50 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 50:[1, 28], Operations: ['28-27=1', '77-49=28'] Exploring Operation: 1*28=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 1+28=29, Resulting Numbers: [29] 29,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 50:[49, 76], Operations: ['28-27=1', '77-1=76'] Exploring Operation: 76-49=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 49+76=125, Resulting Numbers: [125] 125,50 unequal: No Solution Exploring Operation: 49*76=3724, Resulting Numbers: [3724] 3724,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 50:[77, 50], Operations: ['28-27=1', '49+1=50'] Exploring Operation: 77*50=3850, Resulting Numbers: [3850] 3850,50 unequal: No Solution Exploring Operation: 77-50=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 77+50=127, Resulting Numbers: [127] 127,50 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 50:[49, 77], Operations: ['28-27=1', '77*1=77'] Exploring Operation: 77-49=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 49*77=3773, Resulting Numbers: [3773] 3773,50 unequal: No Solution Exploring Operation: 49+77=126, Resulting Numbers: [126] 126,50 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: 50:[49, 22], Operations: ['77-27=50', '50-28=22'] Exploring Operation: 49-22=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 49*22=1078, Resulting Numbers: [1078] 1078,50 unequal: No Solution Exploring Operation: 49+22=71, Resulting Numbers: [71] 71,50 unequal: No Solution Moving to Node #0,1,3 Current State: 50:[50, 21], Operations: ['77-27=50', '49-28=21'] Exploring Operation: 50*21=1050, Resulting Numbers: [1050] 1050,50 unequal: No Solution Exploring Operation: 50+21=71, Resulting Numbers: [71] 71,50 unequal: No Solution Exploring Operation: 50-21=29, Resulting Numbers: [29] 29,50 unequal: No Solution Moving to Node #0,1,2 Current State: 50:[28, 1], Operations: ['77-27=50', '50-49=1'] Exploring Operation: 28/1=28, Resulting Numbers: [28] 28,50 unequal: No Solution Exploring Operation: 28-1=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 28+1=29, Resulting Numbers: [29] 29,50 unequal: No Solution Exploring Operation: 28*1=28, Resulting Numbers: [28] 28,50 unequal: No Solution Moving to Node #0,1,1 Current State: 50:[50, 77], Operations: ['77-27=50', '28+49=77'] Exploring Operation: 77-50=27, Resulting Numbers: [27] 27,50 unequal: No Solution Exploring Operation: 50+77=127, Resulting Numbers: [127] 127,50 unequal: No Solution Exploring Operation: 50*77=3850, Resulting Numbers: [3850] 3850,50 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 77, 2, 84, 18 ]
23
[ "77+2=79", "84+18=102", "102-79=23" ]
Current State: 23:[77, 2, 84, 18], Operations: [] Exploring Operation: 77+2=79, Resulting Numbers: [84, 18, 79] Generated Node #2: [84, 18, 79] from Operation: 77+2=79 Current State: 23:[84, 18, 79], Operations: ['77+2=79'] Exploring Operation: 84+18=102, Resulting Numbers: [79, 102] Generated Node #3: [79, 102] from Operation: 84+18=102 Current State: 23:[79, 102], Operations: ['77+2=79', '84+18=102'] Exploring Operation: 102-79=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[77, 2, 84, 18], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [2, 18, 7] Generated Node #0,0: 23:[2, 18, 7] Operation: 84-77=7 Exploring Operation: 77-18=59, Resulting Numbers: [2, 84, 59] Generated Node #0,1: 23:[2, 84, 59] Operation: 77-18=59 Exploring Operation: 84/2=42, Resulting Numbers: [77, 18, 42] Generated Node #0,2: 23:[77, 18, 42] Operation: 84/2=42 Exploring Operation: 77-2=75, Resulting Numbers: [84, 18, 75] Generated Node #0,3: 23:[84, 18, 75] Operation: 77-2=75 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[2, 18, 7], Operations: ['84-77=7'] Exploring Operation: 2+18=20, Resulting Numbers: [7, 20] Generated Node #0,0,0: 23:[7, 20] Operation: 2+18=20 Exploring Operation: 18-2=16, Resulting Numbers: [7, 16] Generated Node #0,0,1: 23:[7, 16] Operation: 18-2=16 Exploring Operation: 2+7=9, Resulting Numbers: [18, 9] Generated Node #0,0,2: 23:[18, 9] Operation: 2+7=9 Exploring Operation: 2*7=14, Resulting Numbers: [18, 14] Generated Node #0,0,3: 23:[18, 14] Operation: 2*7=14 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 23:[18, 14], Operations: ['84-77=7', '2*7=14'] Exploring Operation: 18+14=32, Resulting Numbers: [32] 32,23 unequal: No Solution Exploring Operation: 18*14=252, Resulting Numbers: [252] 252,23 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[7, 20], Operations: ['84-77=7', '2+18=20'] Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,23 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[18, 9], Operations: ['84-77=7', '2+7=9'] Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 18+9=27, Resulting Numbers: [27] 27,23 unequal: No Solution Exploring Operation: 18*9=162, Resulting Numbers: [162] 162,23 unequal: No Solution Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[7, 16], Operations: ['84-77=7', '18-2=16'] Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,23 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[77, 2, 84, 18], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [2, 18, 7] Generated Node #0,0: 23:[2, 18, 7] Operation: 84-77=7 Moving to Node #0,0 Current State: 23:[2, 18, 7], Operations: ['84-77=7'] Exploring Operation: 18-2=16, Resulting Numbers: [7, 16] Generated Node #0,0,1: 23:[7, 16] Operation: 18-2=16 Moving to Node #0,0,1 Current State: 23:[7, 16], Operations: ['84-77=7', '18-2=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 8, 74, 21, 4 ]
83
[ "74-8=66", "21-4=17", "66+17=83" ]
Current State: 83:[8, 74, 21, 4], Operations: [] Exploring Operation: 74-8=66, Resulting Numbers: [21, 4, 66] Generated Node #2: [21, 4, 66] from Operation: 74-8=66 Current State: 83:[21, 4, 66], Operations: ['74-8=66'] Exploring Operation: 21-4=17, Resulting Numbers: [66, 17] Generated Node #3: [66, 17] from Operation: 21-4=17 Current State: 83:[66, 17], Operations: ['74-8=66', '21-4=17'] Exploring Operation: 66+17=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[8, 74, 21, 4], Operations: [] Exploring Operation: 8*4=32, Resulting Numbers: [74, 21, 32] Generated Node #0,0: 83:[74, 21, 32] Operation: 8*4=32 Exploring Operation: 21*4=84, Resulting Numbers: [8, 74, 84] Generated Node #0,1: 83:[8, 74, 84] Operation: 21*4=84 Moving to Node #0,1 Current State: 83:[8, 74, 84], Operations: ['21*4=84'] Exploring Operation: 8+74=82, Resulting Numbers: [84, 82] Generated Node #0,1,0: 83:[84, 82] Operation: 8+74=82 Exploring Operation: 84-8=76, Resulting Numbers: [74, 76] Generated Node #0,1,1: 83:[74, 76] Operation: 84-8=76 Moving to Node #0,0 Current State: 83:[74, 21, 32], Operations: ['8*4=32'] Exploring Operation: 74+21=95, Resulting Numbers: [32, 95] Generated Node #0,0,0: 83:[32, 95] Operation: 74+21=95 Exploring Operation: 21+32=53, Resulting Numbers: [74, 53] Generated Node #0,0,1: 83:[74, 53] Operation: 21+32=53 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 83:[74, 53], Operations: ['8*4=32', '21+32=53'] Exploring Operation: 74-53=21, Resulting Numbers: [21] 21,83 unequal: No Solution Exploring Operation: 74+53=127, Resulting Numbers: [127] 127,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 83:[32, 95], Operations: ['8*4=32', '74+21=95'] Exploring Operation: 32+95=127, Resulting Numbers: [127] 127,83 unequal: No Solution Exploring Operation: 95-32=63, Resulting Numbers: [63] 63,83 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: 83:[84, 82], Operations: ['21*4=84', '8+74=82'] Exploring Operation: 84-82=2, Resulting Numbers: [2] 2,83 unequal: No Solution Exploring Operation: 84+82=166, Resulting Numbers: [166] 166,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[74, 76], Operations: ['21*4=84', '84-8=76'] Exploring Operation: 74+76=150, Resulting Numbers: [150] 150,83 unequal: No Solution Exploring Operation: 76-74=2, Resulting Numbers: [2] 2,83 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 27, 69, 19, 43 ]
14
[ "27-19=8", "69+43=112", "112/8=14" ]
Current State: 14:[27, 69, 19, 43], Operations: [] Exploring Operation: 27-19=8, Resulting Numbers: [69, 43, 8] Generated Node #2: [69, 43, 8] from Operation: 27-19=8 Current State: 14:[69, 43, 8], Operations: ['27-19=8'] Exploring Operation: 69+43=112, Resulting Numbers: [8, 112] Generated Node #3: [8, 112] from Operation: 69+43=112 Current State: 14:[8, 112], Operations: ['27-19=8', '69+43=112'] Exploring Operation: 112/8=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[27, 69, 19, 43], Operations: [] Exploring Operation: 69-43=26, Resulting Numbers: [27, 19, 26] Generated Node #0,0: 14:[27, 19, 26] Operation: 69-43=26 Moving to Node #0,0 Current State: 14:[27, 19, 26], Operations: ['69-43=26'] Exploring Operation: 27-26=1, Resulting Numbers: [19, 1] Generated Node #0,0,0: 14:[19, 1] Operation: 27-26=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 14:[19, 1], Operations: ['69-43=26', '27-26=1'] Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,14 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, 77, 5, 18 ]
15
[ "85-77=8", "5+18=23", "23-8=15" ]
Current State: 15:[85, 77, 5, 18], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [5, 18, 8] Generated Node #2: [5, 18, 8] from Operation: 85-77=8 Current State: 15:[5, 18, 8], Operations: ['85-77=8'] Exploring Operation: 5+18=23, Resulting Numbers: [8, 23] Generated Node #3: [8, 23] from Operation: 5+18=23 Current State: 15:[8, 23], Operations: ['85-77=8', '5+18=23'] Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[85, 77, 5, 18], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [77, 18, 17] Generated Node #0,0: 15:[77, 18, 17] Operation: 85/5=17 Exploring Operation: 85-18=67, Resulting Numbers: [77, 5, 67] Generated Node #0,1: 15:[77, 5, 67] Operation: 85-18=67 Exploring Operation: 85-77=8, Resulting Numbers: [5, 18, 8] Generated Node #0,2: 15:[5, 18, 8] Operation: 85-77=8 Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[5, 18, 8], Operations: ['85-77=8'] Exploring Operation: 18-5=13, Resulting Numbers: [8, 13] Generated Node #0,2,0: 15:[8, 13] Operation: 18-5=13 Exploring Operation: 5+8=13, Resulting Numbers: [18, 13] Generated Node #0,2,1: 15:[18, 13] Operation: 5+8=13 Exploring Operation: 8-5=3, Resulting Numbers: [18, 3] Generated Node #0,2,2: 15:[18, 3] Operation: 8-5=3 Moving to Node #0,2,2 Current State: 15:[18, 3], Operations: ['85-77=8', '8-5=3'] Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,15 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[85, 77, 5, 18], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [5, 18, 8] Generated Node #0,2: 15:[5, 18, 8] Operation: 85-77=8 Moving to Node #0,2 Current State: 15:[5, 18, 8], Operations: ['85-77=8'] Exploring Operation: 8-5=3, Resulting Numbers: [18, 3] Generated Node #0,2,2: 15:[18, 3] Operation: 8-5=3 Moving to Node #0,2,2 Current State: 15:[18, 3], Operations: ['85-77=8', '8-5=3'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 19, 42, 52, 28 ]
97
[ "42*52=2184", "2184/28=78", "19+78=97" ]
Current State: 97:[19, 42, 52, 28], Operations: [] Exploring Operation: 42*52=2184, Resulting Numbers: [19, 28, 2184] Generated Node #2: [19, 28, 2184] from Operation: 42*52=2184 Current State: 97:[19, 28, 2184], Operations: ['42*52=2184'] Exploring Operation: 2184/28=78, Resulting Numbers: [19, 78] Generated Node #3: [19, 78] from Operation: 2184/28=78 Current State: 97:[19, 78], Operations: ['42*52=2184', '2184/28=78'] Exploring Operation: 19+78=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[19, 42, 52, 28], Operations: [] Exploring Operation: 19+52=71, Resulting Numbers: [42, 28, 71] Generated Node #0,0: 97:[42, 28, 71] Operation: 19+52=71 Exploring Operation: 19+42=61, Resulting Numbers: [52, 28, 61] Generated Node #0,1: 97:[52, 28, 61] Operation: 19+42=61 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[42, 28, 71], Operations: ['19+52=71'] Exploring Operation: 28+71=99, Resulting Numbers: [42, 99] Generated Node #0,0,0: 97:[42, 99] Operation: 28+71=99 Exploring Operation: 42+28=70, Resulting Numbers: [71, 70] Generated Node #0,0,1: 97:[71, 70] Operation: 42+28=70 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[71, 70], Operations: ['19+52=71', '42+28=70'] Exploring Operation: 71+70=141, Resulting Numbers: [141] 141,97 unequal: No Solution Exploring Operation: 71-70=1, Resulting Numbers: [1] 1,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[42, 99], Operations: ['19+52=71', '28+71=99'] Exploring Operation: 99-42=57, Resulting Numbers: [57] 57,97 unequal: No Solution Exploring Operation: 42+99=141, Resulting Numbers: [141] 141,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[52, 28, 61], Operations: ['19+42=61'] Exploring Operation: 28+61=89, Resulting Numbers: [52, 89] Generated Node #0,1,0: 97:[52, 89] Operation: 28+61=89 Exploring Operation: 52+28=80, Resulting Numbers: [61, 80] Generated Node #0,1,1: 97:[61, 80] Operation: 52+28=80 Moving to Node #0,1,0 Current State: 97:[52, 89], Operations: ['19+42=61', '28+61=89'] Exploring Operation: 52+89=141, Resulting Numbers: [141] 141,97 unequal: No Solution Exploring Operation: 89-52=37, Resulting Numbers: [37] 37,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[61, 80], Operations: ['19+42=61', '52+28=80'] Exploring Operation: 61+80=141, Resulting Numbers: [141] 141,97 unequal: No Solution Exploring Operation: 80-61=19, Resulting Numbers: [19] 19,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 2, 15, 18, 98 ]
80
[ "98-2=96", "15*96=1440", "1440/18=80" ]
Current State: 80:[2, 15, 18, 98], Operations: [] Exploring Operation: 98-2=96, Resulting Numbers: [15, 18, 96] Generated Node #2: [15, 18, 96] from Operation: 98-2=96 Current State: 80:[15, 18, 96], Operations: ['98-2=96'] Exploring Operation: 15*96=1440, Resulting Numbers: [18, 1440] Generated Node #3: [18, 1440] from Operation: 15*96=1440 Current State: 80:[18, 1440], Operations: ['98-2=96', '15*96=1440'] Exploring Operation: 1440/18=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[2, 15, 18, 98], Operations: [] Exploring Operation: 98-15=83, Resulting Numbers: [2, 18, 83] Generated Node #0,0: 80:[2, 18, 83] Operation: 98-15=83 Exploring Operation: 98-18=80, Resulting Numbers: [2, 15, 80] Generated Node #0,1: 80:[2, 15, 80] Operation: 98-18=80 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[2, 15, 80], Operations: ['98-18=80'] Exploring Operation: 2+15=17, Resulting Numbers: [80, 17] Generated Node #0,1,0: 80:[80, 17] Operation: 2+15=17 Exploring Operation: 80/2=40, Resulting Numbers: [15, 40] Generated Node #0,1,1: 80:[15, 40] Operation: 80/2=40 Moving to Node #0,1,0 Current State: 80:[80, 17], Operations: ['98-18=80', '2+15=17'] Exploring Operation: 80+17=97, Resulting Numbers: [97] 97,80 unequal: No Solution Exploring Operation: 80-17=63, Resulting Numbers: [63] 63,80 unequal: No Solution Moving to Node #0,1,1 Current State: 80:[15, 40], Operations: ['98-18=80', '80/2=40'] Exploring Operation: 15+40=55, Resulting Numbers: [55] 55,80 unequal: No Solution Exploring Operation: 40-15=25, Resulting Numbers: [25] 25,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[2, 18, 83], Operations: ['98-15=83'] Exploring Operation: 2+18=20, Resulting Numbers: [83, 20] Generated Node #0,0,0: 80:[83, 20] Operation: 2+18=20 Exploring Operation: 18-2=16, Resulting Numbers: [83, 16] Generated Node #0,0,1: 80:[83, 16] Operation: 18-2=16 Moving to Node #0,0,0 Current State: 80:[83, 20], Operations: ['98-15=83', '2+18=20'] Exploring Operation: 83-20=63, Resulting Numbers: [63] 63,80 unequal: No Solution Exploring Operation: 83+20=103, Resulting Numbers: [103] 103,80 unequal: No Solution Moving to Node #0,0,1 Current State: 80:[83, 16], Operations: ['98-15=83', '18-2=16'] Exploring Operation: 83+16=99, Resulting Numbers: [99] 99,80 unequal: No Solution Exploring Operation: 83-16=67, Resulting Numbers: [67] 67,80 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
[ 96, 97, 87, 71 ]
16
[ "97-96=1", "87-71=16", "1*16=16" ]
Current State: 16:[96, 97, 87, 71], Operations: [] Exploring Operation: 97-96=1, Resulting Numbers: [87, 71, 1] Generated Node #2: [87, 71, 1] from Operation: 97-96=1 Current State: 16:[87, 71, 1], Operations: ['97-96=1'] Exploring Operation: 87-71=16, Resulting Numbers: [1, 16] Generated Node #3: [1, 16] from Operation: 87-71=16 Current State: 16:[1, 16], Operations: ['97-96=1', '87-71=16'] Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[96, 97, 87, 71], Operations: [] Exploring Operation: 96-87=9, Resulting Numbers: [97, 71, 9] Generated Node #0,0: 16:[97, 71, 9] Operation: 96-87=9 Exploring Operation: 97-96=1, Resulting Numbers: [87, 71, 1] Generated Node #0,1: 16:[87, 71, 1] Operation: 97-96=1 Exploring Operation: 97-87=10, Resulting Numbers: [96, 71, 10] Generated Node #0,2: 16:[96, 71, 10] Operation: 97-87=10 Moving to Node #0,1 Current State: 16:[87, 71, 1], Operations: ['97-96=1'] Exploring Operation: 87-71=16, Resulting Numbers: [1, 16] Generated Node #0,1,0: 16:[1, 16] Operation: 87-71=16 Exploring Operation: 71-1=70, Resulting Numbers: [87, 70] Generated Node #0,1,1: 16:[87, 70] Operation: 71-1=70 Exploring Operation: 87-1=86, Resulting Numbers: [71, 86] Generated Node #0,1,2: 16:[71, 86] Operation: 87-1=86 Moving to Node #0,0 Current State: 16:[97, 71, 9], Operations: ['96-87=9'] Exploring Operation: 97-71=26, Resulting Numbers: [9, 26] Generated Node #0,0,0: 16:[9, 26] Operation: 97-71=26 Exploring Operation: 97-9=88, Resulting Numbers: [71, 88] Generated Node #0,0,1: 16:[71, 88] Operation: 97-9=88 Exploring Operation: 71-9=62, Resulting Numbers: [97, 62] Generated Node #0,0,2: 16:[97, 62] Operation: 71-9=62 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[9, 26], Operations: ['96-87=9', '97-71=26'] Exploring Operation: 9*26=234, Resulting Numbers: [234] 234,16 unequal: No Solution Exploring Operation: 26-9=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 9+26=35, Resulting Numbers: [35] 35,16 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 #0,0,1 Current State: 16:[71, 88], Operations: ['96-87=9', '97-9=88'] Exploring Operation: 71+88=159, Resulting Numbers: [159] 159,16 unequal: No Solution Exploring Operation: 71*88=6248, Resulting Numbers: [6248] 6248,16 unequal: No Solution Exploring Operation: 88-71=17, Resulting Numbers: [17] 17,16 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:[97, 62], Operations: ['96-87=9', '71-9=62'] Exploring Operation: 97-62=35, Resulting Numbers: [35] 35,16 unequal: No Solution Exploring Operation: 97*62=6014, Resulting Numbers: [6014] 6014,16 unequal: No Solution Exploring Operation: 97+62=159, Resulting Numbers: [159] 159,16 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:[96, 71, 10], Operations: ['97-87=10'] Exploring Operation: 96-10=86, Resulting Numbers: [71, 86] Generated Node #0,2,0: 16:[71, 86] Operation: 96-10=86 Exploring Operation: 71-10=61, Resulting Numbers: [96, 61] Generated Node #0,2,1: 16:[96, 61] Operation: 71-10=61 Exploring Operation: 96-71=25, Resulting Numbers: [10, 25] Generated Node #0,2,2: 16:[10, 25] Operation: 96-71=25 Moving to Node #0,1,0 Current State: 16:[1, 16], Operations: ['97-96=1', '87-71=16'] Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[96, 97, 87, 71], Operations: [] Exploring Operation: 97-96=1, Resulting Numbers: [87, 71, 1] Generated Node #0,1: 16:[87, 71, 1] Operation: 97-96=1 Moving to Node #0,1 Current State: 16:[87, 71, 1], Operations: ['97-96=1'] Exploring Operation: 87-71=16, Resulting Numbers: [1, 16] Generated Node #0,1,0: 16:[1, 16] Operation: 87-71=16 Moving to Node #0,1,0 Current State: 16:[1, 16], Operations: ['97-96=1', '87-71=16'] Exploring Operation: 1*16=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
0.977431
hs_3
sum_heuristic
[ 3, 43, 19, 64 ]
50
[ "3*19=57", "43+64=107", "107-57=50" ]
Current State: 50:[3, 43, 19, 64], Operations: [] Exploring Operation: 3*19=57, Resulting Numbers: [43, 64, 57] Generated Node #2: [43, 64, 57] from Operation: 3*19=57 Current State: 50:[43, 64, 57], Operations: ['3*19=57'] Exploring Operation: 43+64=107, Resulting Numbers: [57, 107] Generated Node #3: [57, 107] from Operation: 43+64=107 Current State: 50:[57, 107], Operations: ['3*19=57', '43+64=107'] Exploring Operation: 107-57=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[3, 43, 19, 64], Operations: [] Exploring Operation: 64-19=45, Resulting Numbers: [3, 43, 45] Generated Node #0,0: 50:[3, 43, 45] Operation: 64-19=45 Exploring Operation: 64-43=21, Resulting Numbers: [3, 19, 21] Generated Node #0,1: 50:[3, 19, 21] Operation: 64-43=21 Moving to Node #0,1 Current State: 50:[3, 19, 21], Operations: ['64-43=21'] Exploring Operation: 3+19=22, Resulting Numbers: [21, 22] Generated Node #0,1,0: 50:[21, 22] Operation: 3+19=22 Exploring Operation: 21-19=2, Resulting Numbers: [3, 2] Generated Node #0,1,1: 50:[3, 2] Operation: 21-19=2 Moving to Node #0,0 Current State: 50:[3, 43, 45], Operations: ['64-19=45'] Exploring Operation: 45-43=2, Resulting Numbers: [3, 2] Generated Node #0,0,0: 50:[3, 2] Operation: 45-43=2 Exploring Operation: 3+43=46, Resulting Numbers: [45, 46] Generated Node #0,0,1: 50:[45, 46] Operation: 3+43=46 Moving to Node #0,1,1 Current State: 50:[3, 2], Operations: ['64-43=21', '21-19=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,50 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,50 unequal: No Solution Moving to Node #0,0,0 Current State: 50:[3, 2], Operations: ['64-19=45', '45-43=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,50 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,50 unequal: No Solution Moving to Node #0,1,0 Current State: 50:[21, 22], Operations: ['64-43=21', '3+19=22'] Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,50 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,50 unequal: No Solution Moving to Node #0,0,1 Current State: 50:[45, 46], Operations: ['64-19=45', '3+43=46'] Exploring Operation: 45+46=91, Resulting Numbers: [91] 91,50 unequal: No Solution Exploring Operation: 46-45=1, Resulting Numbers: [1] 1,50 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 60, 24, 13, 49 ]
90
[ "49-13=36", "60*36=2160", "2160/24=90" ]
Current State: 90:[60, 24, 13, 49], Operations: [] Exploring Operation: 49-13=36, Resulting Numbers: [60, 24, 36] Generated Node #2: [60, 24, 36] from Operation: 49-13=36 Current State: 90:[60, 24, 36], Operations: ['49-13=36'] Exploring Operation: 60*36=2160, Resulting Numbers: [24, 2160] Generated Node #3: [24, 2160] from Operation: 60*36=2160 Current State: 90:[24, 2160], Operations: ['49-13=36', '60*36=2160'] Exploring Operation: 2160/24=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[60, 24, 13, 49], Operations: [] Exploring Operation: 60-49=11, Resulting Numbers: [24, 13, 11] Generated Node #0,0: 90:[24, 13, 11] Operation: 60-49=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[24, 13, 11], Operations: ['60-49=11'] Exploring Operation: 24-13=11, Resulting Numbers: [11, 11] Generated Node #0,0,0: 90:[11, 11] Operation: 24-13=11 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 90:[11, 11], Operations: ['60-49=11', '24-13=11'] Exploring Operation: 11/11=1, Resulting Numbers: [1] 1,90 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 78, 68, 3, 65 ]
58
[ "78-68=10", "3+65=68", "68-10=58" ]
Current State: 58:[78, 68, 3, 65], Operations: [] Exploring Operation: 78-68=10, Resulting Numbers: [3, 65, 10] Generated Node #2: [3, 65, 10] from Operation: 78-68=10 Current State: 58:[3, 65, 10], Operations: ['78-68=10'] Exploring Operation: 3+65=68, Resulting Numbers: [10, 68] Generated Node #3: [10, 68] from Operation: 3+65=68 Current State: 58:[10, 68], Operations: ['78-68=10', '3+65=68'] Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[78, 68, 3, 65], Operations: [] Exploring Operation: 78/3=26, Resulting Numbers: [68, 65, 26] Generated Node #0,0: 58:[68, 65, 26] Operation: 78/3=26 Exploring Operation: 78-68=10, Resulting Numbers: [3, 65, 10] Generated Node #0,1: 58:[3, 65, 10] Operation: 78-68=10 Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[3, 65, 10], Operations: ['78-68=10'] Exploring Operation: 3*10=30, Resulting Numbers: [65, 30] Generated Node #0,1,0: 58:[65, 30] Operation: 3*10=30 Exploring Operation: 65-10=55, Resulting Numbers: [3, 55] Generated Node #0,1,1: 58:[3, 55] Operation: 65-10=55 Moving to Node #0,1,1 Current State: 58:[3, 55], Operations: ['78-68=10', '65-10=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[78, 68, 3, 65], Operations: [] Exploring Operation: 78-68=10, Resulting Numbers: [3, 65, 10] Generated Node #0,1: 58:[3, 65, 10] Operation: 78-68=10 Moving to Node #0,1 Current State: 58:[3, 65, 10], Operations: ['78-68=10'] Exploring Operation: 65-10=55, Resulting Numbers: [3, 55] Generated Node #0,1,1: 58:[3, 55] Operation: 65-10=55 Moving to Node #0,1,1 Current State: 58:[3, 55], Operations: ['78-68=10', '65-10=55'] Exploring Operation: 3+55=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 23, 34, 38, 15 ]
46
[ "23*38=874", "34-15=19", "874/19=46" ]
Current State: 46:[23, 34, 38, 15], Operations: [] Exploring Operation: 23*38=874, Resulting Numbers: [34, 15, 874] Generated Node #2: [34, 15, 874] from Operation: 23*38=874 Current State: 46:[34, 15, 874], Operations: ['23*38=874'] Exploring Operation: 34-15=19, Resulting Numbers: [874, 19] Generated Node #3: [874, 19] from Operation: 34-15=19 Current State: 46:[874, 19], Operations: ['23*38=874', '34-15=19'] Exploring Operation: 874/19=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[23, 34, 38, 15], Operations: [] Exploring Operation: 38-34=4, Resulting Numbers: [23, 15, 4] Generated Node #0,0: 46:[23, 15, 4] Operation: 38-34=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 46:[23, 15, 4], Operations: ['38-34=4'] Exploring Operation: 15+4=19, Resulting Numbers: [23, 19] Generated Node #0,0,0: 46:[23, 19] Operation: 15+4=19 Moving to Node #0,0,0 Current State: 46:[23, 19], Operations: ['38-34=4', '15+4=19'] Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,46 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
[ 8, 73, 95, 99 ]
75
[ "99-95=4", "8/4=2", "73+2=75" ]
Current State: 75:[8, 73, 95, 99], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [8, 73, 4] Generated Node #2: [8, 73, 4] from Operation: 99-95=4 Current State: 75:[8, 73, 4], Operations: ['99-95=4'] Exploring Operation: 8/4=2, Resulting Numbers: [73, 2] Generated Node #3: [73, 2] from Operation: 8/4=2 Current State: 75:[73, 2], Operations: ['99-95=4', '8/4=2'] Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[8, 73, 95, 99], Operations: [] Exploring Operation: 99-8=91, Resulting Numbers: [73, 95, 91] Generated Node #0,0: 75:[73, 95, 91] Operation: 99-8=91 Exploring Operation: 95-73=22, Resulting Numbers: [8, 99, 22] Generated Node #0,1: 75:[8, 99, 22] Operation: 95-73=22 Exploring Operation: 99-95=4, Resulting Numbers: [8, 73, 4] Generated Node #0,2: 75:[8, 73, 4] Operation: 99-95=4 Exploring Operation: 95-8=87, Resulting Numbers: [73, 99, 87] Generated Node #0,3: 75:[73, 99, 87] Operation: 95-8=87 Exploring Operation: 99-73=26, Resulting Numbers: [8, 95, 26] Generated Node #0,4: 75:[8, 95, 26] Operation: 99-73=26 Moving to Node #0,2 Current State: 75:[8, 73, 4], Operations: ['99-95=4'] Exploring Operation: 8+4=12, Resulting Numbers: [73, 12] Generated Node #0,2,0: 75:[73, 12] Operation: 8+4=12 Exploring Operation: 8+73=81, Resulting Numbers: [4, 81] Generated Node #0,2,1: 75:[4, 81] Operation: 8+73=81 Exploring Operation: 8-4=4, Resulting Numbers: [73, 4] Generated Node #0,2,2: 75:[73, 4] Operation: 8-4=4 Exploring Operation: 73+4=77, Resulting Numbers: [8, 77] Generated Node #0,2,3: 75:[8, 77] Operation: 73+4=77 Exploring Operation: 8/4=2, Resulting Numbers: [73, 2] Generated Node #0,2,4: 75:[73, 2] Operation: 8/4=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 75:[73, 4], Operations: ['99-95=4', '8-4=4'] Exploring Operation: 73*4=292, Resulting Numbers: [292] 292,75 unequal: No Solution Exploring Operation: 73+4=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 73-4=69, Resulting Numbers: [69] 69,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 75:[73, 2], Operations: ['99-95=4', '8/4=2'] Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 73*2=146, Resulting Numbers: [146] 146,75 unequal: No Solution Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[8, 73, 95, 99], Operations: [] Exploring Operation: 99-95=4, Resulting Numbers: [8, 73, 4] Generated Node #0,2: 75:[8, 73, 4] Operation: 99-95=4 Moving to Node #0,2 Current State: 75:[8, 73, 4], Operations: ['99-95=4'] Exploring Operation: 8/4=2, Resulting Numbers: [73, 2] Generated Node #0,2,4: 75:[73, 2] Operation: 8/4=2 Moving to Node #0,2,4 Current State: 75:[73, 2], Operations: ['99-95=4', '8/4=2'] Exploring Operation: 73+2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 69, 4, 93, 77 ]
95
[ "77-69=8", "8/4=2", "93+2=95" ]
Current State: 95:[69, 4, 93, 77], Operations: [] Exploring Operation: 77-69=8, Resulting Numbers: [4, 93, 8] Generated Node #2: [4, 93, 8] from Operation: 77-69=8 Current State: 95:[4, 93, 8], Operations: ['77-69=8'] Exploring Operation: 8/4=2, Resulting Numbers: [93, 2] Generated Node #3: [93, 2] from Operation: 8/4=2 Current State: 95:[93, 2], Operations: ['77-69=8', '8/4=2'] Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[69, 4, 93, 77], Operations: [] Exploring Operation: 4+77=81, Resulting Numbers: [69, 93, 81] Generated Node #0,0: 95:[69, 93, 81] Operation: 4+77=81 Exploring Operation: 77-69=8, Resulting Numbers: [4, 93, 8] Generated Node #0,1: 95:[4, 93, 8] Operation: 77-69=8 Exploring Operation: 93-77=16, Resulting Numbers: [69, 4, 16] Generated Node #0,2: 95:[69, 4, 16] Operation: 93-77=16 Exploring Operation: 69+4=73, Resulting Numbers: [93, 77, 73] Generated Node #0,3: 95:[93, 77, 73] Operation: 69+4=73 Exploring Operation: 93-69=24, Resulting Numbers: [4, 77, 24] Generated Node #0,4: 95:[4, 77, 24] Operation: 93-69=24 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[4, 93, 8], Operations: ['77-69=8'] Exploring Operation: 8/4=2, Resulting Numbers: [93, 2] Generated Node #0,1,0: 95:[93, 2] Operation: 8/4=2 Exploring Operation: 93+8=101, Resulting Numbers: [4, 101] Generated Node #0,1,1: 95:[4, 101] Operation: 93+8=101 Exploring Operation: 93-4=89, Resulting Numbers: [8, 89] Generated Node #0,1,2: 95:[8, 89] Operation: 93-4=89 Exploring Operation: 4+93=97, Resulting Numbers: [8, 97] Generated Node #0,1,3: 95:[8, 97] Operation: 4+93=97 Exploring Operation: 8-4=4, Resulting Numbers: [93, 4] Generated Node #0,1,4: 95:[93, 4] Operation: 8-4=4 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 95:[93, 4], Operations: ['77-69=8', '8-4=4'] Exploring Operation: 93-4=89, Resulting Numbers: [89] 89,95 unequal: No Solution Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,95 unequal: No Solution Exploring Operation: 93*4=372, Resulting Numbers: [372] 372,95 unequal: No Solution No 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: 95:[93, 2], Operations: ['77-69=8', '8/4=2'] Exploring Operation: 93*2=186, Resulting Numbers: [186] 186,95 unequal: No Solution Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[69, 4, 93, 77], Operations: [] Exploring Operation: 77-69=8, Resulting Numbers: [4, 93, 8] Generated Node #0,1: 95:[4, 93, 8] Operation: 77-69=8 Moving to Node #0,1 Current State: 95:[4, 93, 8], Operations: ['77-69=8'] Exploring Operation: 8/4=2, Resulting Numbers: [93, 2] Generated Node #0,1,0: 95:[93, 2] Operation: 8/4=2 Moving to Node #0,1,0 Current State: 95:[93, 2], Operations: ['77-69=8', '8/4=2'] Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
sum_heuristic
[ 86, 46, 40, 66 ]
44
[ "86-66=20", "40/20=2", "46-2=44" ]
Current State: 44:[86, 46, 40, 66], Operations: [] Exploring Operation: 86-66=20, Resulting Numbers: [46, 40, 20] Generated Node #2: [46, 40, 20] from Operation: 86-66=20 Current State: 44:[46, 40, 20], Operations: ['86-66=20'] Exploring Operation: 40/20=2, Resulting Numbers: [46, 2] Generated Node #3: [46, 2] from Operation: 40/20=2 Current State: 44:[46, 2], Operations: ['86-66=20', '40/20=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[86, 46, 40, 66], Operations: [] Exploring Operation: 86-40=46, Resulting Numbers: [46, 66, 46] Generated Node #0,0: 44:[46, 66, 46] Operation: 86-40=46 Exploring Operation: 66-46=20, Resulting Numbers: [86, 40, 20] Generated Node #0,1: 44:[86, 40, 20] Operation: 66-46=20 Exploring Operation: 86-66=20, Resulting Numbers: [46, 40, 20] Generated Node #0,2: 44:[46, 40, 20] Operation: 86-66=20 Exploring Operation: 86-46=40, Resulting Numbers: [40, 66, 40] Generated Node #0,3: 44:[40, 66, 40] Operation: 86-46=40 Exploring Operation: 66-40=26, Resulting Numbers: [86, 46, 26] Generated Node #0,4: 44:[86, 46, 26] Operation: 66-40=26 Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[46, 40, 20], Operations: ['86-66=20'] Exploring Operation: 46-40=6, Resulting Numbers: [20, 6] Generated Node #0,2,0: 44:[20, 6] Operation: 46-40=6 Exploring Operation: 40+20=60, Resulting Numbers: [46, 60] Generated Node #0,2,1: 44:[46, 60] Operation: 40+20=60 Exploring Operation: 46-20=26, Resulting Numbers: [40, 26] Generated Node #0,2,2: 44:[40, 26] Operation: 46-20=26 Exploring Operation: 40-20=20, Resulting Numbers: [46, 20] Generated Node #0,2,3: 44:[46, 20] Operation: 40-20=20 Exploring Operation: 40/20=2, Resulting Numbers: [46, 2] Generated Node #0,2,4: 44:[46, 2] Operation: 40/20=2 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 44:[46, 2], Operations: ['86-66=20', '40/20=2'] Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,44 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,44 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,44 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[86, 46, 40, 66], Operations: [] Exploring Operation: 86-66=20, Resulting Numbers: [46, 40, 20] Generated Node #0,2: 44:[46, 40, 20] Operation: 86-66=20 Moving to Node #0,2 Current State: 44:[46, 40, 20], Operations: ['86-66=20'] Exploring Operation: 40/20=2, Resulting Numbers: [46, 2] Generated Node #0,2,4: 44:[46, 2] Operation: 40/20=2 Moving to Node #0,2,4 Current State: 44:[46, 2], Operations: ['86-66=20', '40/20=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 16, 32, 4, 13 ]
92
[ "16-13=3", "32*3=96", "96-4=92" ]
Current State: 92:[16, 32, 4, 13], Operations: [] Exploring Operation: 16-13=3, Resulting Numbers: [32, 4, 3] Generated Node #2: [32, 4, 3] from Operation: 16-13=3 Current State: 92:[32, 4, 3], Operations: ['16-13=3'] Exploring Operation: 32*3=96, Resulting Numbers: [4, 96] Generated Node #3: [4, 96] from Operation: 32*3=96 Current State: 92:[4, 96], Operations: ['16-13=3', '32*3=96'] Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[16, 32, 4, 13], Operations: [] Exploring Operation: 32+13=45, Resulting Numbers: [16, 4, 45] Generated Node #0,0: 92:[16, 4, 45] Operation: 32+13=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 92:[16, 4, 45], Operations: ['32+13=45'] Exploring Operation: 16/4=4, Resulting Numbers: [45, 4] Generated Node #0,0,0: 92:[45, 4] Operation: 16/4=4 Moving to Node #0,0,0 Current State: 92:[45, 4], Operations: ['32+13=45', '16/4=4'] Exploring Operation: 45+4=49, Resulting Numbers: [49] 49,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 28, 8, 36, 36 ]
28
[ "28+36=64", "64/8=8", "36-8=28" ]
Current State: 28:[28, 8, 36, 36], Operations: [] Exploring Operation: 28+36=64, Resulting Numbers: [8, 64] Generated Node #2: [8, 64] from Operation: 28+36=64 Current State: 28:[8, 64], Operations: ['28+36=64'] Exploring Operation: 64/8=8, Resulting Numbers: [8] 8,28 equal: Goal Reached Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[28, 8, 36, 36], Operations: [] Exploring Operation: 36/36=1, Resulting Numbers: [28, 8, 1] Generated Node #0,0: 28:[28, 8, 1] Operation: 36/36=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[28, 8, 1], Operations: ['36/36=1'] Exploring Operation: 8-1=7, Resulting Numbers: [28, 7] Generated Node #0,0,0: 28:[28, 7] Operation: 8-1=7 Moving to Node #0,0,0 Current State: 28:[28, 7], Operations: ['36/36=1', '8-1=7'] Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,28 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