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
[ 87, 75, 44, 51 ]
84
[ "87-75=12", "51-44=7", "12*7=84" ]
Current State: 84:[87, 75, 44, 51], Operations: [] Exploring Operation: 87-75=12, Resulting Numbers: [44, 51, 12] Generated Node #2: [44, 51, 12] from Operation: 87-75=12 Current State: 84:[44, 51, 12], Operations: ['87-75=12'] Exploring Operation: 51-44=7, Resulting Numbers: [12, 7] Generated Node #3: [12, 7] from Operation: 51-44=7 Current State: 84:[12, 7], Operations: ['87-75=12', '51-44=7'] Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[87, 75, 44, 51], Operations: [] Exploring Operation: 75-51=24, Resulting Numbers: [87, 44, 24] Generated Node #0,0: 84:[87, 44, 24] Operation: 75-51=24 Exploring Operation: 87-75=12, Resulting Numbers: [44, 51, 12] Generated Node #0,1: 84:[44, 51, 12] Operation: 87-75=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[87, 44, 24], Operations: ['75-51=24'] Exploring Operation: 44-24=20, Resulting Numbers: [87, 20] Generated Node #0,0,0: 84:[87, 20] Operation: 44-24=20 Exploring Operation: 87-44=43, Resulting Numbers: [24, 43] Generated Node #0,0,1: 84:[24, 43] Operation: 87-44=43 Moving to Node #0,0,0 Current State: 84:[87, 20], Operations: ['75-51=24', '44-24=20'] Exploring Operation: 87-20=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 87+20=107, Resulting Numbers: [107] 107,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[24, 43], Operations: ['75-51=24', '87-44=43'] Exploring Operation: 24+43=67, Resulting Numbers: [67] 67,84 unequal: No Solution Exploring Operation: 43-24=19, Resulting Numbers: [19] 19,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[44, 51, 12], Operations: ['87-75=12'] Exploring Operation: 51-44=7, Resulting Numbers: [12, 7] Generated Node #0,1,0: 84:[12, 7] Operation: 51-44=7 Exploring Operation: 51-12=39, Resulting Numbers: [44, 39] Generated Node #0,1,1: 84:[44, 39] Operation: 51-12=39 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[12, 7], Operations: ['87-75=12', '51-44=7'] Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[87, 75, 44, 51], Operations: [] Exploring Operation: 87-75=12, Resulting Numbers: [44, 51, 12] Generated Node #0,1: 84:[44, 51, 12] Operation: 87-75=12 Moving to Node #0,1 Current State: 84:[44, 51, 12], Operations: ['87-75=12'] Exploring Operation: 51-44=7, Resulting Numbers: [12, 7] Generated Node #0,1,0: 84:[12, 7] Operation: 51-44=7 Moving to Node #0,1,0 Current State: 84:[12, 7], Operations: ['87-75=12', '51-44=7'] Exploring Operation: 12*7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 62, 39, 59, 76 ]
89
[ "62-59=3", "39/3=13", "76+13=89" ]
Current State: 89:[62, 39, 59, 76], Operations: [] Exploring Operation: 62-59=3, Resulting Numbers: [39, 76, 3] Generated Node #2: [39, 76, 3] from Operation: 62-59=3 Current State: 89:[39, 76, 3], Operations: ['62-59=3'] Exploring Operation: 39/3=13, Resulting Numbers: [76, 13] Generated Node #3: [76, 13] from Operation: 39/3=13 Current State: 89:[76, 13], Operations: ['62-59=3', '39/3=13'] Exploring Operation: 76+13=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[62, 39, 59, 76], Operations: [] Exploring Operation: 62+39=101, Resulting Numbers: [59, 76, 101] Generated Node #0,0: 89:[59, 76, 101] Operation: 62+39=101 Exploring Operation: 39+76=115, Resulting Numbers: [62, 59, 115] Generated Node #0,1: 89:[62, 59, 115] Operation: 39+76=115 Exploring Operation: 39+59=98, Resulting Numbers: [62, 76, 98] Generated Node #0,2: 89:[62, 76, 98] Operation: 39+59=98 Moving to Node #0,2 Current State: 89:[62, 76, 98], Operations: ['39+59=98'] Exploring Operation: 76-62=14, Resulting Numbers: [98, 14] Generated Node #0,2,0: 89:[98, 14] Operation: 76-62=14 Exploring Operation: 62+76=138, Resulting Numbers: [98, 138] Generated Node #0,2,1: 89:[98, 138] Operation: 62+76=138 Exploring Operation: 98-62=36, Resulting Numbers: [76, 36] Generated Node #0,2,2: 89:[76, 36] Operation: 98-62=36 Moving to Node #0,0 Current State: 89:[59, 76, 101], Operations: ['62+39=101'] Exploring Operation: 101-59=42, Resulting Numbers: [76, 42] Generated Node #0,0,0: 89:[76, 42] Operation: 101-59=42 Exploring Operation: 59+76=135, Resulting Numbers: [101, 135] Generated Node #0,0,1: 89:[101, 135] Operation: 59+76=135 Exploring Operation: 76-59=17, Resulting Numbers: [101, 17] Generated Node #0,0,2: 89:[101, 17] Operation: 76-59=17 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[101, 135], Operations: ['62+39=101', '59+76=135'] Exploring Operation: 135-101=34, Resulting Numbers: [34] 34,89 unequal: No Solution Exploring Operation: 101+135=236, Resulting Numbers: [236] 236,89 unequal: No Solution Exploring Operation: 101*135=13635, Resulting Numbers: [13635] 13635,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[76, 42], Operations: ['62+39=101', '101-59=42'] Exploring Operation: 76+42=118, Resulting Numbers: [118] 118,89 unequal: No Solution Exploring Operation: 76*42=3192, Resulting Numbers: [3192] 3192,89 unequal: No Solution Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[101, 17], Operations: ['62+39=101', '76-59=17'] Exploring Operation: 101+17=118, Resulting Numbers: [118] 118,89 unequal: No Solution Exploring Operation: 101*17=1717, Resulting Numbers: [1717] 1717,89 unequal: No Solution Exploring Operation: 101-17=84, Resulting Numbers: [84] 84,89 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: 89:[62, 59, 115], Operations: ['39+76=115'] Exploring Operation: 62+59=121, Resulting Numbers: [115, 121] Generated Node #0,1,0: 89:[115, 121] Operation: 62+59=121 Exploring Operation: 115-59=56, Resulting Numbers: [62, 56] Generated Node #0,1,1: 89:[62, 56] Operation: 115-59=56 Exploring Operation: 115-62=53, Resulting Numbers: [59, 53] Generated Node #0,1,2: 89:[59, 53] Operation: 115-62=53 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[115, 121], Operations: ['39+76=115', '62+59=121'] Exploring Operation: 115*121=13915, Resulting Numbers: [13915] 13915,89 unequal: No Solution Exploring Operation: 121-115=6, Resulting Numbers: [6] 6,89 unequal: No Solution Exploring Operation: 115+121=236, Resulting Numbers: [236] 236,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[62, 56], Operations: ['39+76=115', '115-59=56'] Exploring Operation: 62-56=6, Resulting Numbers: [6] 6,89 unequal: No Solution Exploring Operation: 62+56=118, Resulting Numbers: [118] 118,89 unequal: No Solution Exploring Operation: 62*56=3472, Resulting Numbers: [3472] 3472,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[59, 53], Operations: ['39+76=115', '115-62=53'] Exploring Operation: 59+53=112, Resulting Numbers: [112] 112,89 unequal: No Solution Exploring Operation: 59-53=6, Resulting Numbers: [6] 6,89 unequal: No Solution Exploring Operation: 59*53=3127, Resulting Numbers: [3127] 3127,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,1 Current State: 89:[98, 138], Operations: ['39+59=98', '62+76=138'] Exploring Operation: 98+138=236, Resulting Numbers: [236] 236,89 unequal: No Solution Exploring Operation: 138-98=40, Resulting Numbers: [40] 40,89 unequal: No Solution Exploring Operation: 98*138=13524, Resulting Numbers: [13524] 13524,89 unequal: No Solution Moving to Node #0,2,2 Current State: 89:[76, 36], Operations: ['39+59=98', '98-62=36'] Exploring Operation: 76+36=112, Resulting Numbers: [112] 112,89 unequal: No Solution Exploring Operation: 76*36=2736, Resulting Numbers: [2736] 2736,89 unequal: No Solution Exploring Operation: 76-36=40, Resulting Numbers: [40] 40,89 unequal: No Solution Moving to Node #0,2,0 Current State: 89:[98, 14], Operations: ['39+59=98', '76-62=14'] Exploring Operation: 98-14=84, Resulting Numbers: [84] 84,89 unequal: No Solution Exploring Operation: 98+14=112, Resulting Numbers: [112] 112,89 unequal: No Solution Exploring Operation: 98/14=7, Resulting Numbers: [7] 7,89 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 62, 78, 88, 2 ]
96
[ "62+78=140", "88/2=44", "140-44=96" ]
Current State: 96:[62, 78, 88, 2], Operations: [] Exploring Operation: 62+78=140, Resulting Numbers: [88, 2, 140] Generated Node #2: [88, 2, 140] from Operation: 62+78=140 Current State: 96:[88, 2, 140], Operations: ['62+78=140'] Exploring Operation: 88/2=44, Resulting Numbers: [140, 44] Generated Node #3: [140, 44] from Operation: 88/2=44 Current State: 96:[140, 44], Operations: ['62+78=140', '88/2=44'] Exploring Operation: 140-44=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[62, 78, 88, 2], Operations: [] Exploring Operation: 88-62=26, Resulting Numbers: [78, 2, 26] Generated Node #0,0: 96:[78, 2, 26] Operation: 88-62=26 Exploring Operation: 88-78=10, Resulting Numbers: [62, 2, 10] Generated Node #0,1: 96:[62, 2, 10] Operation: 88-78=10 Exploring Operation: 78-62=16, Resulting Numbers: [88, 2, 16] Generated Node #0,2: 96:[88, 2, 16] Operation: 78-62=16 Moving to Node #0,2 Current State: 96:[88, 2, 16], Operations: ['78-62=16'] Exploring Operation: 88+16=104, Resulting Numbers: [2, 104] Generated Node #0,2,0: 96:[2, 104] Operation: 88+16=104 Exploring Operation: 88/2=44, Resulting Numbers: [16, 44] Generated Node #0,2,1: 96:[16, 44] Operation: 88/2=44 Exploring Operation: 88+2=90, Resulting Numbers: [16, 90] Generated Node #0,2,2: 96:[16, 90] Operation: 88+2=90 Moving to Node #0,1 Current State: 96:[62, 2, 10], Operations: ['88-78=10'] Exploring Operation: 62-10=52, Resulting Numbers: [2, 52] Generated Node #0,1,0: 96:[2, 52] Operation: 62-10=52 Exploring Operation: 62-2=60, Resulting Numbers: [10, 60] Generated Node #0,1,1: 96:[10, 60] Operation: 62-2=60 Exploring Operation: 62/2=31, Resulting Numbers: [10, 31] Generated Node #0,1,2: 96:[10, 31] Operation: 62/2=31 Moving to Node #0,0 Current State: 96:[78, 2, 26], Operations: ['88-62=26'] Exploring Operation: 78/26=3, Resulting Numbers: [2, 3] Generated Node #0,0,0: 96:[2, 3] Operation: 78/26=3 Exploring Operation: 78+26=104, Resulting Numbers: [2, 104] Generated Node #0,0,1: 96:[2, 104] Operation: 78+26=104 Exploring Operation: 78-26=52, Resulting Numbers: [2, 52] Generated Node #0,0,2: 96:[2, 52] Operation: 78-26=52 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 96:[2, 3], Operations: ['88-62=26', '78/26=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,96 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 96:[2, 52], Operations: ['88-62=26', '78-26=52'] Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,96 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,96 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 96:[2, 104], Operations: ['88-62=26', '78+26=104'] Exploring Operation: 104/2=52, Resulting Numbers: [52] 52,96 unequal: No Solution Exploring Operation: 104-2=102, Resulting Numbers: [102] 102,96 unequal: No Solution Exploring Operation: 2+104=106, Resulting Numbers: [106] 106,96 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: 96:[10, 31], Operations: ['88-78=10', '62/2=31'] Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,96 unequal: No Solution Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,96 unequal: No Solution Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[16, 44], Operations: ['78-62=16', '88/2=44'] Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,96 unequal: No Solution Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,96 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,96 unequal: No Solution Moving to Node #0,1,0 Current State: 96:[2, 52], Operations: ['88-78=10', '62-10=52'] Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,96 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,96 unequal: No Solution Exploring Operation: 2+52=54, Resulting Numbers: [54] 54,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[16, 90], Operations: ['78-62=16', '88+2=90'] Exploring Operation: 16+90=106, Resulting Numbers: [106] 106,96 unequal: No Solution Exploring Operation: 90-16=74, Resulting Numbers: [74] 74,96 unequal: No Solution Exploring Operation: 16*90=1440, Resulting Numbers: [1440] 1440,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[2, 104], Operations: ['78-62=16', '88+16=104'] Exploring Operation: 2+104=106, Resulting Numbers: [106] 106,96 unequal: No Solution Exploring Operation: 104/2=52, Resulting Numbers: [52] 52,96 unequal: No Solution Exploring Operation: 104-2=102, Resulting Numbers: [102] 102,96 unequal: No Solution Moving to Node #0,1,1 Current State: 96:[10, 60], Operations: ['88-78=10', '62-2=60'] Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,96 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,96 unequal: No Solution Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,96 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 3, 77, 47, 20 ]
13
[ "3+77=80", "47+20=67", "80-67=13" ]
Current State: 13:[3, 77, 47, 20], Operations: [] Exploring Operation: 3+77=80, Resulting Numbers: [47, 20, 80] Generated Node #2: [47, 20, 80] from Operation: 3+77=80 Current State: 13:[47, 20, 80], Operations: ['3+77=80'] Exploring Operation: 47+20=67, Resulting Numbers: [80, 67] Generated Node #3: [80, 67] from Operation: 47+20=67 Current State: 13:[80, 67], Operations: ['3+77=80', '47+20=67'] Exploring Operation: 80-67=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[3, 77, 47, 20], Operations: [] Exploring Operation: 77-20=57, Resulting Numbers: [3, 47, 57] Generated Node #0,0: 13:[3, 47, 57] Operation: 77-20=57 Exploring Operation: 77-3=74, Resulting Numbers: [47, 20, 74] Generated Node #0,1: 13:[47, 20, 74] Operation: 77-3=74 Exploring Operation: 77-47=30, Resulting Numbers: [3, 20, 30] Generated Node #0,2: 13:[3, 20, 30] Operation: 77-47=30 Exploring Operation: 47-3=44, Resulting Numbers: [77, 20, 44] Generated Node #0,3: 13:[77, 20, 44] Operation: 47-3=44 Exploring Operation: 47-20=27, Resulting Numbers: [3, 77, 27] Generated Node #0,4: 13:[3, 77, 27] Operation: 47-20=27 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[3, 20, 30], Operations: ['77-47=30'] Exploring Operation: 30-3=27, Resulting Numbers: [20, 27] Generated Node #0,2,0: 13:[20, 27] Operation: 30-3=27 Exploring Operation: 20-3=17, Resulting Numbers: [30, 17] Generated Node #0,2,1: 13:[30, 17] Operation: 20-3=17 Exploring Operation: 3+20=23, Resulting Numbers: [30, 23] Generated Node #0,2,2: 13:[30, 23] Operation: 3+20=23 Exploring Operation: 30-20=10, Resulting Numbers: [3, 10] Generated Node #0,2,3: 13:[3, 10] Operation: 30-20=10 Exploring Operation: 30/3=10, Resulting Numbers: [20, 10] Generated Node #0,2,4: 13:[20, 10] Operation: 30/3=10 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 13:[20, 10], Operations: ['77-47=30', '30/3=10'] Exploring Operation: 20-10=10, Resulting Numbers: [10] 10,13 unequal: No Solution Exploring Operation: 20/10=2, Resulting Numbers: [2] 2,13 unequal: No Solution Exploring Operation: 20+10=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 20*10=200, Resulting Numbers: [200] 200,13 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:[3, 10], Operations: ['77-47=30', '30-20=10'] Exploring Operation: 3*10=30, Resulting Numbers: [30] 30,13 unequal: No Solution Exploring Operation: 10-3=7, Resulting Numbers: [7] 7,13 unequal: No Solution Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[3, 77, 47, 20], Operations: [] Exploring Operation: 77-47=30, Resulting Numbers: [3, 20, 30] Generated Node #0,2: 13:[3, 20, 30] Operation: 77-47=30 Moving to Node #0,2 Current State: 13:[3, 20, 30], Operations: ['77-47=30'] Exploring Operation: 30-20=10, Resulting Numbers: [3, 10] Generated Node #0,2,3: 13:[3, 10] Operation: 30-20=10 Moving to Node #0,2,3 Current State: 13:[3, 10], Operations: ['77-47=30', '30-20=10'] Exploring Operation: 3+10=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 9, 38, 15, 42 ]
56
[ "38-9=29", "42-15=27", "29+27=56" ]
Current State: 56:[9, 38, 15, 42], Operations: [] Exploring Operation: 38-9=29, Resulting Numbers: [15, 42, 29] Generated Node #2: [15, 42, 29] from Operation: 38-9=29 Current State: 56:[15, 42, 29], Operations: ['38-9=29'] Exploring Operation: 42-15=27, Resulting Numbers: [29, 27] Generated Node #3: [29, 27] from Operation: 42-15=27 Current State: 56:[29, 27], Operations: ['38-9=29', '42-15=27'] Exploring Operation: 29+27=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[9, 38, 15, 42], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [9, 15, 4] Generated Node #0,0: 56:[9, 15, 4] Operation: 42-38=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[9, 15, 4], Operations: ['42-38=4'] Exploring Operation: 15-9=6, Resulting Numbers: [4, 6] Generated Node #0,0,0: 56:[4, 6] Operation: 15-9=6 Moving to Node #0,0,0 Current State: 56:[4, 6], Operations: ['42-38=4', '15-9=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,56 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
[ 77, 11, 9, 97 ]
69
[ "97-9=88", "88/11=8", "77-8=69" ]
Current State: 69:[77, 11, 9, 97], Operations: [] Exploring Operation: 97-9=88, Resulting Numbers: [77, 11, 88] Generated Node #2: [77, 11, 88] from Operation: 97-9=88 Current State: 69:[77, 11, 88], Operations: ['97-9=88'] Exploring Operation: 88/11=8, Resulting Numbers: [77, 8] Generated Node #3: [77, 8] from Operation: 88/11=8 Current State: 69:[77, 8], Operations: ['97-9=88', '88/11=8'] Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[77, 11, 9, 97], Operations: [] Exploring Operation: 97-11=86, Resulting Numbers: [77, 9, 86] Generated Node #0,0: 69:[77, 9, 86] Operation: 97-11=86 Exploring Operation: 97-77=20, Resulting Numbers: [11, 9, 20] Generated Node #0,1: 69:[11, 9, 20] Operation: 97-77=20 Moving to Node #0,1 Current State: 69:[11, 9, 20], Operations: ['97-77=20'] Exploring Operation: 11-9=2, Resulting Numbers: [20, 2] Generated Node #0,1,0: 69:[20, 2] Operation: 11-9=2 Exploring Operation: 11+9=20, Resulting Numbers: [20, 20] Generated Node #0,1,1: 69:[20, 20] Operation: 11+9=20 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 69:[20, 2], Operations: ['97-77=20', '11-9=2'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,69 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,69 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 #0,1,1 Current State: 69:[20, 20], Operations: ['97-77=20', '11+9=20'] Exploring Operation: 20/20=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 20-20=0, Resulting Numbers: [0] 0,69 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: 69:[77, 9, 86], Operations: ['97-11=86'] Exploring Operation: 86-77=9, Resulting Numbers: [9, 9] Generated Node #0,0,0: 69:[9, 9] Operation: 86-77=9 Exploring Operation: 86-9=77, Resulting Numbers: [77, 77] Generated Node #0,0,1: 69:[77, 77] Operation: 86-9=77 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[9, 9], Operations: ['97-11=86', '86-77=9'] Exploring Operation: 9/9=1, Resulting Numbers: [1] 1,69 unequal: No Solution Exploring Operation: 9-9=0, Resulting Numbers: [0] 0,69 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 #0,0,1 Current State: 69:[77, 77], Operations: ['97-11=86', '86-9=77'] Exploring Operation: 77-77=0, Resulting Numbers: [0] 0,69 unequal: No Solution Exploring Operation: 77/77=1, Resulting Numbers: [1] 1,69 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 98, 15, 48, 66 ]
23
[ "98*15=1470", "48+1470=1518", "1518/66=23" ]
Current State: 23:[98, 15, 48, 66], Operations: [] Exploring Operation: 98*15=1470, Resulting Numbers: [48, 66, 1470] Generated Node #2: [48, 66, 1470] from Operation: 98*15=1470 Current State: 23:[48, 66, 1470], Operations: ['98*15=1470'] Exploring Operation: 48+1470=1518, Resulting Numbers: [66, 1518] Generated Node #3: [66, 1518] from Operation: 48+1470=1518 Current State: 23:[66, 1518], Operations: ['98*15=1470', '48+1470=1518'] Exploring Operation: 1518/66=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[98, 15, 48, 66], Operations: [] Exploring Operation: 98-66=32, Resulting Numbers: [15, 48, 32] Generated Node #0,0: 23:[15, 48, 32] Operation: 98-66=32 Exploring Operation: 98-48=50, Resulting Numbers: [15, 66, 50] Generated Node #0,1: 23:[15, 66, 50] Operation: 98-48=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[15, 48, 32], Operations: ['98-66=32'] Exploring Operation: 48-15=33, Resulting Numbers: [32, 33] Generated Node #0,0,0: 23:[32, 33] Operation: 48-15=33 Exploring Operation: 48-32=16, Resulting Numbers: [15, 16] Generated Node #0,0,1: 23:[15, 16] Operation: 48-32=16 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[15, 16], Operations: ['98-66=32', '48-32=16'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,23 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:[32, 33], Operations: ['98-66=32', '48-15=33'] Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,23 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: 23:[15, 66, 50], Operations: ['98-48=50'] Exploring Operation: 66-15=51, Resulting Numbers: [50, 51] Generated Node #0,1,0: 23:[50, 51] Operation: 66-15=51 Exploring Operation: 66-50=16, Resulting Numbers: [15, 16] Generated Node #0,1,1: 23:[15, 16] Operation: 66-50=16 Moving to Node #0,1,1 Current State: 23:[15, 16], Operations: ['98-48=50', '66-50=16'] Exploring Operation: 16-15=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 15+16=31, Resulting Numbers: [31] 31,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[50, 51], Operations: ['98-48=50', '66-15=51'] Exploring Operation: 51-50=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 50+51=101, Resulting Numbers: [101] 101,23 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
[ 32, 48, 52, 48 ]
20
[ "32+48=80", "52+48=100", "100-80=20" ]
Current State: 20:[32, 48, 52, 48], Operations: [] Exploring Operation: 32+48=80, Resulting Numbers: [52, 80] Generated Node #2: [52, 80] from Operation: 32+48=80 Current State: 20:[52, 80], Operations: ['32+48=80'] Exploring Operation: 52+48=100, Resulting Numbers: [80, 100] Generated Node #3: [80, 100] from Operation: 52+48=100 Current State: 20:[80, 100], Operations: ['32+48=80', '52+48=100'] Exploring Operation: 100-80=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[32, 48, 52, 48], Operations: [] Exploring Operation: 52-48=4, Resulting Numbers: [32, 48, 4] Generated Node #0,0: 20:[32, 48, 4] Operation: 52-48=4 Exploring Operation: 48/48=1, Resulting Numbers: [32, 52, 1] Generated Node #0,1: 20:[32, 52, 1] Operation: 48/48=1 Exploring Operation: 52-48=4, Resulting Numbers: [32, 48, 4] Generated Node #0,2: 20:[32, 48, 4] Operation: 52-48=4 Exploring Operation: 48-48=0, Resulting Numbers: [32, 52, 0] Generated Node #0,3: 20:[32, 52, 0] Operation: 48-48=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[32, 48, 4], Operations: ['52-48=4'] Exploring Operation: 32/4=8, Resulting Numbers: [48, 8] Generated Node #0,0,0: 20:[48, 8] Operation: 32/4=8 Exploring Operation: 32-4=28, Resulting Numbers: [48, 28] Generated Node #0,0,1: 20:[48, 28] Operation: 32-4=28 Exploring Operation: 48/4=12, Resulting Numbers: [32, 12] Generated Node #0,0,2: 20:[32, 12] Operation: 48/4=12 Exploring Operation: 48-32=16, Resulting Numbers: [4, 16] Generated Node #0,0,3: 20:[4, 16] Operation: 48-32=16 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 20:[4, 16], Operations: ['52-48=4', '48-32=16'] Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,20 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[32, 48, 52, 48], Operations: [] Exploring Operation: 52-48=4, Resulting Numbers: [32, 48, 4] Generated Node #0,0: 20:[32, 48, 4] Operation: 52-48=4 Moving to Node #0,0 Current State: 20:[32, 48, 4], Operations: ['52-48=4'] Exploring Operation: 48-32=16, Resulting Numbers: [4, 16] Generated Node #0,0,3: 20:[4, 16] Operation: 48-32=16 Moving to Node #0,0,3 Current State: 20:[4, 16], Operations: ['52-48=4', '48-32=16'] Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 68, 32, 80, 84 ]
51
[ "68*84=5712", "32+80=112", "5712/112=51" ]
Current State: 51:[68, 32, 80, 84], Operations: [] Exploring Operation: 68*84=5712, Resulting Numbers: [32, 80, 5712] Generated Node #2: [32, 80, 5712] from Operation: 68*84=5712 Current State: 51:[32, 80, 5712], Operations: ['68*84=5712'] Exploring Operation: 32+80=112, Resulting Numbers: [5712, 112] Generated Node #3: [5712, 112] from Operation: 32+80=112 Current State: 51:[5712, 112], Operations: ['68*84=5712', '32+80=112'] Exploring Operation: 5712/112=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[68, 32, 80, 84], Operations: [] Exploring Operation: 84-80=4, Resulting Numbers: [68, 32, 4] Generated Node #0,0: 51:[68, 32, 4] Operation: 84-80=4 Moving to Node #0,0 Current State: 51:[68, 32, 4], Operations: ['84-80=4'] Exploring Operation: 68/4=17, Resulting Numbers: [32, 17] Generated Node #0,0,0: 51:[32, 17] Operation: 68/4=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[32, 17], Operations: ['84-80=4', '68/4=17'] Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 37, 20, 54, 44 ]
88
[ "20+54=74", "74/37=2", "44*2=88" ]
Current State: 88:[37, 20, 54, 44], Operations: [] Exploring Operation: 20+54=74, Resulting Numbers: [37, 44, 74] Generated Node #2: [37, 44, 74] from Operation: 20+54=74 Current State: 88:[37, 44, 74], Operations: ['20+54=74'] Exploring Operation: 74/37=2, Resulting Numbers: [44, 2] Generated Node #3: [44, 2] from Operation: 74/37=2 Current State: 88:[44, 2], Operations: ['20+54=74', '74/37=2'] Exploring Operation: 44*2=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[37, 20, 54, 44], Operations: [] Exploring Operation: 37+54=91, Resulting Numbers: [20, 44, 91] Generated Node #0,0: 88:[20, 44, 91] Operation: 37+54=91 Exploring Operation: 54-37=17, Resulting Numbers: [20, 44, 17] Generated Node #0,1: 88:[20, 44, 17] Operation: 54-37=17 Moving to Node #0,0 Current State: 88:[20, 44, 91], Operations: ['37+54=91'] Exploring Operation: 44-20=24, Resulting Numbers: [91, 24] Generated Node #0,0,0: 88:[91, 24] Operation: 44-20=24 Exploring Operation: 91-44=47, Resulting Numbers: [20, 47] Generated Node #0,0,1: 88:[20, 47] Operation: 91-44=47 Moving to Node #0,1 Current State: 88:[20, 44, 17], Operations: ['54-37=17'] Exploring Operation: 20-17=3, Resulting Numbers: [44, 3] Generated Node #0,1,0: 88:[44, 3] Operation: 20-17=3 Exploring Operation: 44-20=24, Resulting Numbers: [17, 24] Generated Node #0,1,1: 88:[17, 24] Operation: 44-20=24 Moving to Node #0,1,0 Current State: 88:[44, 3], Operations: ['54-37=17', '20-17=3'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,88 unequal: No Solution Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,88 unequal: No Solution Moving to Node #0,0,0 Current State: 88:[91, 24], Operations: ['37+54=91', '44-20=24'] Exploring Operation: 91+24=115, Resulting Numbers: [115] 115,88 unequal: No Solution Exploring Operation: 91-24=67, Resulting Numbers: [67] 67,88 unequal: No Solution Moving to Node #0,0,1 Current State: 88:[20, 47], Operations: ['37+54=91', '91-44=47'] Exploring Operation: 20+47=67, Resulting Numbers: [67] 67,88 unequal: No Solution Exploring Operation: 47-20=27, Resulting Numbers: [27] 27,88 unequal: No Solution Moving to Node #0,1,1 Current State: 88:[17, 24], Operations: ['54-37=17', '44-20=24'] Exploring Operation: 17+24=41, Resulting Numbers: [41] 41,88 unequal: No Solution Exploring Operation: 24-17=7, Resulting Numbers: [7] 7,88 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 80, 5, 2, 74 ]
63
[ "80+5=85", "2*74=148", "148-85=63" ]
Current State: 63:[80, 5, 2, 74], Operations: [] Exploring Operation: 80+5=85, Resulting Numbers: [2, 74, 85] Generated Node #2: [2, 74, 85] from Operation: 80+5=85 Current State: 63:[2, 74, 85], Operations: ['80+5=85'] Exploring Operation: 2*74=148, Resulting Numbers: [85, 148] Generated Node #3: [85, 148] from Operation: 2*74=148 Current State: 63:[85, 148], Operations: ['80+5=85', '2*74=148'] Exploring Operation: 148-85=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[80, 5, 2, 74], Operations: [] Exploring Operation: 80/5=16, Resulting Numbers: [2, 74, 16] Generated Node #0,0: 63:[2, 74, 16] Operation: 80/5=16 Exploring Operation: 80-74=6, Resulting Numbers: [5, 2, 6] Generated Node #0,1: 63:[5, 2, 6] Operation: 80-74=6 Exploring Operation: 80-5=75, Resulting Numbers: [2, 74, 75] Generated Node #0,2: 63:[2, 74, 75] Operation: 80-5=75 Exploring Operation: 74-5=69, Resulting Numbers: [80, 2, 69] Generated Node #0,3: 63:[80, 2, 69] Operation: 74-5=69 Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[5, 2, 6], Operations: ['80-74=6'] Exploring Operation: 6/2=3, Resulting Numbers: [5, 3] Generated Node #0,1,0: 63:[5, 3] Operation: 6/2=3 Exploring Operation: 5*2=10, Resulting Numbers: [6, 10] Generated Node #0,1,1: 63:[6, 10] Operation: 5*2=10 Exploring Operation: 5-2=3, Resulting Numbers: [6, 3] Generated Node #0,1,2: 63:[6, 3] Operation: 5-2=3 Exploring Operation: 5+2=7, Resulting Numbers: [6, 7] Generated Node #0,1,3: 63:[6, 7] Operation: 5+2=7 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 63:[6, 3], Operations: ['80-74=6', '5-2=3'] Exploring Operation: 6*3=18, Resulting Numbers: [18] 18,63 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,63 unequal: No Solution No 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: 63:[6, 7], Operations: ['80-74=6', '5+2=7'] Exploring Operation: 6+7=13, Resulting Numbers: [13] 13,63 unequal: No Solution Exploring Operation: 6*7=42, Resulting Numbers: [42] 42,63 unequal: No Solution Exploring Operation: 7-6=1, Resulting Numbers: [1] 1,63 unequal: No Solution No 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: 63:[5, 3], Operations: ['80-74=6', '6/2=3'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,63 unequal: No Solution No 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: 63:[6, 10], Operations: ['80-74=6', '5*2=10'] Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,63 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: 63:[2, 74, 16], Operations: ['80/5=16'] Exploring Operation: 74-16=58, Resulting Numbers: [2, 58] Generated Node #0,0,0: 63:[2, 58] Operation: 74-16=58 Exploring Operation: 16/2=8, Resulting Numbers: [74, 8] Generated Node #0,0,1: 63:[74, 8] Operation: 16/2=8 Exploring Operation: 2+16=18, Resulting Numbers: [74, 18] Generated Node #0,0,2: 63:[74, 18] Operation: 2+16=18 Exploring Operation: 74-2=72, Resulting Numbers: [16, 72] Generated Node #0,0,3: 63:[16, 72] Operation: 74-2=72 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[2, 58], Operations: ['80/5=16', '74-16=58'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,63 unequal: No Solution Exploring Operation: 2+58=60, Resulting Numbers: [60] 60,63 unequal: No Solution Exploring Operation: 2*58=116, Resulting Numbers: [116] 116,63 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,63 unequal: No Solution No 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: 63:[74, 8], Operations: ['80/5=16', '16/2=8'] Exploring Operation: 74*8=592, Resulting Numbers: [592] 592,63 unequal: No Solution Exploring Operation: 74-8=66, Resulting Numbers: [66] 66,63 unequal: No Solution Exploring Operation: 74+8=82, Resulting Numbers: [82] 82,63 unequal: No Solution No 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: 63:[74, 18], Operations: ['80/5=16', '2+16=18'] Exploring Operation: 74*18=1332, Resulting Numbers: [1332] 1332,63 unequal: No Solution Exploring Operation: 74-18=56, Resulting Numbers: [56] 56,63 unequal: No Solution Exploring Operation: 74+18=92, Resulting Numbers: [92] 92,63 unequal: No Solution No 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: 63:[16, 72], Operations: ['80/5=16', '74-2=72'] Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,63 unequal: No Solution Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,63 unequal: No Solution Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,63 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: 63:[2, 74, 75], Operations: ['80-5=75'] Exploring Operation: 2+74=76, Resulting Numbers: [75, 76] Generated Node #0,2,0: 63:[75, 76] Operation: 2+74=76 Exploring Operation: 75-74=1, Resulting Numbers: [2, 1] Generated Node #0,2,1: 63:[2, 1] Operation: 75-74=1 Exploring Operation: 74-2=72, Resulting Numbers: [75, 72] Generated Node #0,2,2: 63:[75, 72] Operation: 74-2=72 Exploring Operation: 75-2=73, Resulting Numbers: [74, 73] Generated Node #0,2,3: 63:[74, 73] Operation: 75-2=73 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 63:[2, 1], Operations: ['80-5=75', '75-74=1'] Exploring Operation: 2-1=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 2*1=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 2+1=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 2/1=2, Resulting Numbers: [2] 2,63 unequal: No Solution No 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: 63:[75, 72], Operations: ['80-5=75', '74-2=72'] Exploring Operation: 75+72=147, Resulting Numbers: [147] 147,63 unequal: No Solution Exploring Operation: 75-72=3, Resulting Numbers: [3] 3,63 unequal: No Solution Exploring Operation: 75*72=5400, Resulting Numbers: [5400] 5400,63 unequal: No Solution No 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: 63:[74, 73], Operations: ['80-5=75', '75-2=73'] Exploring Operation: 74-73=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 74*73=5402, Resulting Numbers: [5402] 5402,63 unequal: No Solution Exploring Operation: 74+73=147, Resulting Numbers: [147] 147,63 unequal: No Solution No 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: 63:[75, 76], Operations: ['80-5=75', '2+74=76'] Exploring Operation: 75+76=151, Resulting Numbers: [151] 151,63 unequal: No Solution Exploring Operation: 76-75=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 75*76=5700, Resulting Numbers: [5700] 5700,63 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: 63:[80, 2, 69], Operations: ['74-5=69'] Exploring Operation: 69-2=67, Resulting Numbers: [80, 67] Generated Node #0,3,0: 63:[80, 67] Operation: 69-2=67 Exploring Operation: 80-69=11, Resulting Numbers: [2, 11] Generated Node #0,3,1: 63:[2, 11] Operation: 80-69=11 Exploring Operation: 80-2=78, Resulting Numbers: [69, 78] Generated Node #0,3,2: 63:[69, 78] Operation: 80-2=78 Exploring Operation: 80+2=82, Resulting Numbers: [69, 82] Generated Node #0,3,3: 63:[69, 82] Operation: 80+2=82 Moving to Node #0,3,1 Current State: 63:[2, 11], Operations: ['74-5=69', '80-69=11'] Exploring Operation: 2+11=13, Resulting Numbers: [13] 13,63 unequal: No Solution Exploring Operation: 2*11=22, Resulting Numbers: [22] 22,63 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[69, 78], Operations: ['74-5=69', '80-2=78'] Exploring Operation: 69*78=5382, Resulting Numbers: [5382] 5382,63 unequal: No Solution Exploring Operation: 69+78=147, Resulting Numbers: [147] 147,63 unequal: No Solution Exploring Operation: 78-69=9, Resulting Numbers: [9] 9,63 unequal: No Solution Moving to Node #0,3,0 Current State: 63:[80, 67], Operations: ['74-5=69', '69-2=67'] Exploring Operation: 80-67=13, Resulting Numbers: [13] 13,63 unequal: No Solution Exploring Operation: 80+67=147, Resulting Numbers: [147] 147,63 unequal: No Solution Exploring Operation: 80*67=5360, Resulting Numbers: [5360] 5360,63 unequal: No Solution Moving to Node #0,3,3 Current State: 63:[69, 82], Operations: ['74-5=69', '80+2=82'] Exploring Operation: 69*82=5658, Resulting Numbers: [5658] 5658,63 unequal: No Solution Exploring Operation: 69+82=151, Resulting Numbers: [151] 151,63 unequal: No Solution Exploring Operation: 82-69=13, Resulting Numbers: [13] 13,63 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
[ 40, 27, 12, 25 ]
32
[ "27-25=2", "40/2=20", "12+20=32" ]
Current State: 32:[40, 27, 12, 25], Operations: [] Exploring Operation: 27-25=2, Resulting Numbers: [40, 12, 2] Generated Node #2: [40, 12, 2] from Operation: 27-25=2 Current State: 32:[40, 12, 2], Operations: ['27-25=2'] Exploring Operation: 40/2=20, Resulting Numbers: [12, 20] Generated Node #3: [12, 20] from Operation: 40/2=20 Current State: 32:[12, 20], Operations: ['27-25=2', '40/2=20'] Exploring Operation: 12+20=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[40, 27, 12, 25], Operations: [] Exploring Operation: 40-25=15, Resulting Numbers: [27, 12, 15] Generated Node #0,0: 32:[27, 12, 15] Operation: 40-25=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[27, 12, 15], Operations: ['40-25=15'] Exploring Operation: 27-12=15, Resulting Numbers: [15, 15] Generated Node #0,0,0: 32:[15, 15] Operation: 27-12=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[15, 15], Operations: ['40-25=15', '27-12=15'] Exploring Operation: 15/15=1, Resulting Numbers: [1] 1,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 38, 72, 48, 2 ]
54
[ "38-2=36", "72*36=2592", "2592/48=54" ]
Current State: 54:[38, 72, 48, 2], Operations: [] Exploring Operation: 38-2=36, Resulting Numbers: [72, 48, 36] Generated Node #2: [72, 48, 36] from Operation: 38-2=36 Current State: 54:[72, 48, 36], Operations: ['38-2=36'] Exploring Operation: 72*36=2592, Resulting Numbers: [48, 2592] Generated Node #3: [48, 2592] from Operation: 72*36=2592 Current State: 54:[48, 2592], Operations: ['38-2=36', '72*36=2592'] Exploring Operation: 2592/48=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[38, 72, 48, 2], Operations: [] Exploring Operation: 38/2=19, Resulting Numbers: [72, 48, 19] Generated Node #0,0: 54:[72, 48, 19] Operation: 38/2=19 Exploring Operation: 48-38=10, Resulting Numbers: [72, 2, 10] Generated Node #0,1: 54:[72, 2, 10] Operation: 48-38=10 Exploring Operation: 72-38=34, Resulting Numbers: [48, 2, 34] Generated Node #0,2: 54:[48, 2, 34] Operation: 72-38=34 Exploring Operation: 72-48=24, Resulting Numbers: [38, 2, 24] Generated Node #0,3: 54:[38, 2, 24] Operation: 72-48=24 Moving to Node #0,2 Current State: 54:[48, 2, 34], Operations: ['72-38=34'] Exploring Operation: 48/2=24, Resulting Numbers: [34, 24] Generated Node #0,2,0: 54:[34, 24] Operation: 48/2=24 Exploring Operation: 48-34=14, Resulting Numbers: [2, 14] Generated Node #0,2,1: 54:[2, 14] Operation: 48-34=14 Exploring Operation: 34/2=17, Resulting Numbers: [48, 17] Generated Node #0,2,2: 54:[48, 17] Operation: 34/2=17 Exploring Operation: 48+2=50, Resulting Numbers: [34, 50] Generated Node #0,2,3: 54:[34, 50] Operation: 48+2=50 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[2, 14], Operations: ['72-38=34', '48-34=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 54:[48, 17], Operations: ['72-38=34', '34/2=17'] Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,54 unequal: No Solution Exploring Operation: 48+17=65, Resulting Numbers: [65] 65,54 unequal: No Solution Exploring Operation: 48*17=816, Resulting Numbers: [816] 816,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 54:[34, 24], Operations: ['72-38=34', '48/2=24'] Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,54 unequal: No Solution Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 34*24=816, Resulting Numbers: [816] 816,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 54:[34, 50], Operations: ['72-38=34', '48+2=50'] Exploring Operation: 34+50=84, Resulting Numbers: [84] 84,54 unequal: No Solution Exploring Operation: 50-34=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 34*50=1700, Resulting Numbers: [1700] 1700,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 54:[38, 2, 24], Operations: ['72-48=24'] Exploring Operation: 38/2=19, Resulting Numbers: [24, 19] Generated Node #0,3,0: 54:[24, 19] Operation: 38/2=19 Exploring Operation: 38-2=36, Resulting Numbers: [24, 36] Generated Node #0,3,1: 54:[24, 36] Operation: 38-2=36 Exploring Operation: 38-24=14, Resulting Numbers: [2, 14] Generated Node #0,3,2: 54:[2, 14] Operation: 38-24=14 Exploring Operation: 38+24=62, Resulting Numbers: [2, 62] Generated Node #0,3,3: 54:[2, 62] Operation: 38+24=62 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 54:[24, 19], Operations: ['72-48=24', '38/2=19'] Exploring Operation: 24*19=456, Resulting Numbers: [456] 456,54 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 24+19=43, Resulting Numbers: [43] 43,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 54:[2, 14], Operations: ['72-48=24', '38-24=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,54 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 #0,3,3 Current State: 54:[2, 62], Operations: ['72-48=24', '38+24=62'] Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,54 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,54 unequal: No Solution Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,54 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,54 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 #0,3,1 Current State: 54:[24, 36], Operations: ['72-48=24', '38-2=36'] Exploring Operation: 36-24=12, Resulting Numbers: [12] 12,54 unequal: No Solution Exploring Operation: 24+36=60, Resulting Numbers: [60] 60,54 unequal: No Solution Exploring Operation: 24*36=864, Resulting Numbers: [864] 864,54 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: 54:[72, 2, 10], Operations: ['48-38=10'] Exploring Operation: 72-2=70, Resulting Numbers: [10, 70] Generated Node #0,1,0: 54:[10, 70] Operation: 72-2=70 Exploring Operation: 10-2=8, Resulting Numbers: [72, 8] Generated Node #0,1,1: 54:[72, 8] Operation: 10-2=8 Exploring Operation: 72-10=62, Resulting Numbers: [2, 62] Generated Node #0,1,2: 54:[2, 62] Operation: 72-10=62 Exploring Operation: 72/2=36, Resulting Numbers: [10, 36] Generated Node #0,1,3: 54:[10, 36] Operation: 72/2=36 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 54:[2, 62], Operations: ['48-38=10', '72-10=62'] Exploring Operation: 2*62=124, Resulting Numbers: [124] 124,54 unequal: No Solution Exploring Operation: 2+62=64, Resulting Numbers: [64] 64,54 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,54 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,54 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 #0,1,3 Current State: 54:[10, 36], Operations: ['48-38=10', '72/2=36'] Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,54 unequal: No Solution Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,54 unequal: No Solution Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,54 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 #0,1,0 Current State: 54:[10, 70], Operations: ['48-38=10', '72-2=70'] Exploring Operation: 70-10=60, Resulting Numbers: [60] 60,54 unequal: No Solution Exploring Operation: 10*70=700, Resulting Numbers: [700] 700,54 unequal: No Solution Exploring Operation: 70/10=7, Resulting Numbers: [7] 7,54 unequal: No Solution Exploring Operation: 10+70=80, Resulting Numbers: [80] 80,54 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 #0,1,1 Current State: 54:[72, 8], Operations: ['48-38=10', '10-2=8'] Exploring Operation: 72/8=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 72-8=64, Resulting Numbers: [64] 64,54 unequal: No Solution Exploring Operation: 72+8=80, Resulting Numbers: [80] 80,54 unequal: No Solution Exploring Operation: 72*8=576, Resulting Numbers: [576] 576,54 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: 54:[72, 48, 19], Operations: ['38/2=19'] Exploring Operation: 48-19=29, Resulting Numbers: [72, 29] Generated Node #0,0,0: 54:[72, 29] Operation: 48-19=29 Exploring Operation: 72-19=53, Resulting Numbers: [48, 53] Generated Node #0,0,1: 54:[48, 53] Operation: 72-19=53 Exploring Operation: 48+19=67, Resulting Numbers: [72, 67] Generated Node #0,0,2: 54:[72, 67] Operation: 48+19=67 Exploring Operation: 72-48=24, Resulting Numbers: [19, 24] Generated Node #0,0,3: 54:[19, 24] Operation: 72-48=24 Moving to Node #0,0,3 Current State: 54:[19, 24], Operations: ['38/2=19', '72-48=24'] Exploring Operation: 19*24=456, Resulting Numbers: [456] 456,54 unequal: No Solution Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,54 unequal: No Solution Exploring Operation: 24-19=5, Resulting Numbers: [5] 5,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[48, 53], Operations: ['38/2=19', '72-19=53'] Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 48+53=101, Resulting Numbers: [101] 101,54 unequal: No Solution Exploring Operation: 48*53=2544, Resulting Numbers: [2544] 2544,54 unequal: No Solution Moving to Node #0,0,0 Current State: 54:[72, 29], Operations: ['38/2=19', '48-19=29'] Exploring Operation: 72-29=43, Resulting Numbers: [43] 43,54 unequal: No Solution Exploring Operation: 72+29=101, Resulting Numbers: [101] 101,54 unequal: No Solution Exploring Operation: 72*29=2088, Resulting Numbers: [2088] 2088,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[72, 67], Operations: ['38/2=19', '48+19=67'] Exploring Operation: 72+67=139, Resulting Numbers: [139] 139,54 unequal: No Solution Exploring Operation: 72*67=4824, Resulting Numbers: [4824] 4824,54 unequal: No Solution Exploring Operation: 72-67=5, Resulting Numbers: [5] 5,54 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 4, 65, 94, 61 ]
93
[ "65-4=61", "61/61=1", "94-1=93" ]
Current State: 93:[4, 65, 94, 61], Operations: [] Exploring Operation: 65-4=61, Resulting Numbers: [94, 61, 61] Generated Node #2: [94, 61, 61] from Operation: 65-4=61 Current State: 93:[94, 61, 61], Operations: ['65-4=61'] Exploring Operation: 61/61=1, Resulting Numbers: [94, 1] Generated Node #3: [94, 1] from Operation: 61/61=1 Current State: 93:[94, 1], Operations: ['65-4=61', '61/61=1'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[4, 65, 94, 61], Operations: [] Exploring Operation: 94-61=33, Resulting Numbers: [4, 65, 33] Generated Node #0,0: 93:[4, 65, 33] Operation: 94-61=33 Exploring Operation: 65-61=4, Resulting Numbers: [4, 94, 4] Generated Node #0,1: 93:[4, 94, 4] Operation: 65-61=4 Exploring Operation: 94-65=29, Resulting Numbers: [4, 61, 29] Generated Node #0,2: 93:[4, 61, 29] Operation: 94-65=29 Exploring Operation: 65+61=126, Resulting Numbers: [4, 94, 126] Generated Node #0,3: 93:[4, 94, 126] Operation: 65+61=126 Moving to Node #0,1 Current State: 93:[4, 94, 4], Operations: ['65-61=4'] Exploring Operation: 4/4=1, Resulting Numbers: [94, 1] Generated Node #0,1,0: 93:[94, 1] Operation: 4/4=1 Exploring Operation: 94-4=90, Resulting Numbers: [4, 90] Generated Node #0,1,1: 93:[4, 90] Operation: 94-4=90 Exploring Operation: 94-4=90, Resulting Numbers: [4, 90] Generated Node #0,1,2: 93:[4, 90] Operation: 94-4=90 Exploring Operation: 4-4=0, Resulting Numbers: [94, 0] Generated Node #0,1,3: 93:[94, 0] Operation: 4-4=0 Moving to Node #0,0 Current State: 93:[4, 65, 33], Operations: ['94-61=33'] Exploring Operation: 65-33=32, Resulting Numbers: [4, 32] Generated Node #0,0,0: 93:[4, 32] Operation: 65-33=32 Exploring Operation: 33-4=29, Resulting Numbers: [65, 29] Generated Node #0,0,1: 93:[65, 29] Operation: 33-4=29 Exploring Operation: 4+65=69, Resulting Numbers: [33, 69] Generated Node #0,0,2: 93:[33, 69] Operation: 4+65=69 Exploring Operation: 65+33=98, Resulting Numbers: [4, 98] Generated Node #0,0,3: 93:[4, 98] Operation: 65+33=98 Moving to Node #0,2 Current State: 93:[4, 61, 29], Operations: ['94-65=29'] Exploring Operation: 61-29=32, Resulting Numbers: [4, 32] Generated Node #0,2,0: 93:[4, 32] Operation: 61-29=32 Exploring Operation: 4+61=65, Resulting Numbers: [29, 65] Generated Node #0,2,1: 93:[29, 65] Operation: 4+61=65 Exploring Operation: 61-4=57, Resulting Numbers: [29, 57] Generated Node #0,2,2: 93:[29, 57] Operation: 61-4=57 Exploring Operation: 61+29=90, Resulting Numbers: [4, 90] Generated Node #0,2,3: 93:[4, 90] Operation: 61+29=90 Moving to Node #0,3 Current State: 93:[4, 94, 126], Operations: ['65+61=126'] Exploring Operation: 126-4=122, Resulting Numbers: [94, 122] Generated Node #0,3,0: 93:[94, 122] Operation: 126-4=122 Exploring Operation: 126-94=32, Resulting Numbers: [4, 32] Generated Node #0,3,1: 93:[4, 32] Operation: 126-94=32 Exploring Operation: 94-4=90, Resulting Numbers: [126, 90] Generated Node #0,3,2: 93:[126, 90] Operation: 94-4=90 Exploring Operation: 4+94=98, Resulting Numbers: [126, 98] Generated Node #0,3,3: 93:[126, 98] Operation: 4+94=98 Moving to Node #0,0,0 Current State: 93:[4, 32], Operations: ['94-61=33', '65-33=32'] Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,93 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,93 unequal: No Solution Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,93 unequal: No Solution Moving to Node #0,3,1 Current State: 93:[4, 32], Operations: ['65+61=126', '126-94=32'] Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,93 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,93 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[4, 32], Operations: ['94-65=29', '61-29=32'] Exploring Operation: 4+32=36, Resulting Numbers: [36] 36,93 unequal: No Solution Exploring Operation: 32-4=28, Resulting Numbers: [28] 28,93 unequal: No Solution Exploring Operation: 4*32=128, Resulting Numbers: [128] 128,93 unequal: No Solution Exploring Operation: 32/4=8, Resulting Numbers: [8] 8,93 unequal: No Solution Moving to Node #0,1,0 Current State: 93:[94, 1], Operations: ['65-61=4', '4/4=1'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[4, 65, 94, 61], Operations: [] Exploring Operation: 65-61=4, Resulting Numbers: [4, 94, 4] Generated Node #0,1: 93:[4, 94, 4] Operation: 65-61=4 Moving to Node #0,1 Current State: 93:[4, 94, 4], Operations: ['65-61=4'] Exploring Operation: 4/4=1, Resulting Numbers: [94, 1] Generated Node #0,1,0: 93:[94, 1] Operation: 4/4=1 Moving to Node #0,1,0 Current State: 93:[94, 1], Operations: ['65-61=4', '4/4=1'] Exploring Operation: 94-1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
0.967882
hs_4
mult_heuristic
[ 30, 26, 3, 34 ]
93
[ "30+26=56", "3+34=37", "56+37=93" ]
Current State: 93:[30, 26, 3, 34], Operations: [] Exploring Operation: 30+26=56, Resulting Numbers: [3, 34, 56] Generated Node #2: [3, 34, 56] from Operation: 30+26=56 Current State: 93:[3, 34, 56], Operations: ['30+26=56'] Exploring Operation: 3+34=37, Resulting Numbers: [56, 37] Generated Node #3: [56, 37] from Operation: 3+34=37 Current State: 93:[56, 37], Operations: ['30+26=56', '3+34=37'] Exploring Operation: 56+37=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[30, 26, 3, 34], Operations: [] Exploring Operation: 30-26=4, Resulting Numbers: [3, 34, 4] Generated Node #0,0: 93:[3, 34, 4] Operation: 30-26=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[3, 34, 4], Operations: ['30-26=4'] Exploring Operation: 34-3=31, Resulting Numbers: [4, 31] Generated Node #0,0,0: 93:[4, 31] Operation: 34-3=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 93:[4, 31], Operations: ['30-26=4', '34-3=31'] Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,93 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
[ 60, 79, 32, 36 ]
64
[ "36-32=4", "60/4=15", "79-15=64" ]
Current State: 64:[60, 79, 32, 36], Operations: [] Exploring Operation: 36-32=4, Resulting Numbers: [60, 79, 4] Generated Node #2: [60, 79, 4] from Operation: 36-32=4 Current State: 64:[60, 79, 4], Operations: ['36-32=4'] Exploring Operation: 60/4=15, Resulting Numbers: [79, 15] Generated Node #3: [79, 15] from Operation: 60/4=15 Current State: 64:[79, 15], Operations: ['36-32=4', '60/4=15'] Exploring Operation: 79-15=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[60, 79, 32, 36], Operations: [] Exploring Operation: 79-60=19, Resulting Numbers: [32, 36, 19] Generated Node #0,0: 64:[32, 36, 19] Operation: 79-60=19 Exploring Operation: 79-36=43, Resulting Numbers: [60, 32, 43] Generated Node #0,1: 64:[60, 32, 43] Operation: 79-36=43 Moving to Node #0,0 Current State: 64:[32, 36, 19], Operations: ['79-60=19'] Exploring Operation: 36-32=4, Resulting Numbers: [19, 4] Generated Node #0,0,0: 64:[19, 4] Operation: 36-32=4 Exploring Operation: 36-19=17, Resulting Numbers: [32, 17] Generated Node #0,0,1: 64:[32, 17] Operation: 36-19=17 Moving to Node #0,1 Current State: 64:[60, 32, 43], Operations: ['79-36=43'] Exploring Operation: 43-32=11, Resulting Numbers: [60, 11] Generated Node #0,1,0: 64:[60, 11] Operation: 43-32=11 Exploring Operation: 60-43=17, Resulting Numbers: [32, 17] Generated Node #0,1,1: 64:[32, 17] Operation: 60-43=17 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[32, 17], Operations: ['79-36=43', '60-43=17'] Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,64 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,64 unequal: No Solution No 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: 64:[60, 11], Operations: ['79-36=43', '43-32=11'] Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,64 unequal: No Solution Exploring Operation: 60+11=71, Resulting Numbers: [71] 71,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 64:[32, 17], Operations: ['79-60=19', '36-19=17'] Exploring Operation: 32+17=49, Resulting Numbers: [49] 49,64 unequal: No Solution Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[19, 4], Operations: ['79-60=19', '36-32=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,64 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,64 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 79, 80, 31, 91 ]
60
[ "80-79=1", "91-31=60", "1*60=60" ]
Current State: 60:[79, 80, 31, 91], Operations: [] Exploring Operation: 80-79=1, Resulting Numbers: [31, 91, 1] Generated Node #2: [31, 91, 1] from Operation: 80-79=1 Current State: 60:[31, 91, 1], Operations: ['80-79=1'] Exploring Operation: 91-31=60, Resulting Numbers: [1, 60] Generated Node #3: [1, 60] from Operation: 91-31=60 Current State: 60:[1, 60], Operations: ['80-79=1', '91-31=60'] Exploring Operation: 1*60=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[79, 80, 31, 91], Operations: [] Exploring Operation: 91-79=12, Resulting Numbers: [80, 31, 12] Generated Node #0,0: 60:[80, 31, 12] Operation: 91-79=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[80, 31, 12], Operations: ['91-79=12'] Exploring Operation: 80-12=68, Resulting Numbers: [31, 68] Generated Node #0,0,0: 60:[31, 68] Operation: 80-12=68 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[31, 68], Operations: ['91-79=12', '80-12=68'] Exploring Operation: 68-31=37, Resulting Numbers: [37] 37,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 88, 53, 42, 40 ]
33
[ "88-53=35", "42-40=2", "35-2=33" ]
Current State: 33:[88, 53, 42, 40], Operations: [] Exploring Operation: 88-53=35, Resulting Numbers: [42, 40, 35] Generated Node #2: [42, 40, 35] from Operation: 88-53=35 Current State: 33:[42, 40, 35], Operations: ['88-53=35'] Exploring Operation: 42-40=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 42-40=2 Current State: 33:[35, 2], Operations: ['88-53=35', '42-40=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[88, 53, 42, 40], Operations: [] Exploring Operation: 88-53=35, Resulting Numbers: [42, 40, 35] Generated Node #0,0: 33:[42, 40, 35] Operation: 88-53=35 Exploring Operation: 88-42=46, Resulting Numbers: [53, 40, 46] Generated Node #0,1: 33:[53, 40, 46] Operation: 88-42=46 Moving to Node #0,0 Current State: 33:[42, 40, 35], Operations: ['88-53=35'] Exploring Operation: 42-35=7, Resulting Numbers: [40, 7] Generated Node #0,0,0: 33:[40, 7] Operation: 42-35=7 Exploring Operation: 42-40=2, Resulting Numbers: [35, 2] Generated Node #0,0,1: 33:[35, 2] Operation: 42-40=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 33:[35, 2], Operations: ['88-53=35', '42-40=2'] Exploring Operation: 35+2=37, Resulting Numbers: [37] 37,33 unequal: No Solution Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[88, 53, 42, 40], Operations: [] Exploring Operation: 88-53=35, Resulting Numbers: [42, 40, 35] Generated Node #0,0: 33:[42, 40, 35] Operation: 88-53=35 Moving to Node #0,0 Current State: 33:[42, 40, 35], Operations: ['88-53=35'] Exploring Operation: 42-40=2, Resulting Numbers: [35, 2] Generated Node #0,0,1: 33:[35, 2] Operation: 42-40=2 Moving to Node #0,0,1 Current State: 33:[35, 2], Operations: ['88-53=35', '42-40=2'] Exploring Operation: 35-2=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 92, 72, 19, 65 ]
64
[ "92-72=20", "19+65=84", "84-20=64" ]
Current State: 64:[92, 72, 19, 65], Operations: [] Exploring Operation: 92-72=20, Resulting Numbers: [19, 65, 20] Generated Node #2: [19, 65, 20] from Operation: 92-72=20 Current State: 64:[19, 65, 20], Operations: ['92-72=20'] Exploring Operation: 19+65=84, Resulting Numbers: [20, 84] Generated Node #3: [20, 84] from Operation: 19+65=84 Current State: 64:[20, 84], Operations: ['92-72=20', '19+65=84'] Exploring Operation: 84-20=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[92, 72, 19, 65], Operations: [] Exploring Operation: 92-72=20, Resulting Numbers: [19, 65, 20] Generated Node #0,0: 64:[19, 65, 20] Operation: 92-72=20 Exploring Operation: 92-19=73, Resulting Numbers: [72, 65, 73] Generated Node #0,1: 64:[72, 65, 73] Operation: 92-19=73 Exploring Operation: 92-65=27, Resulting Numbers: [72, 19, 27] Generated Node #0,2: 64:[72, 19, 27] Operation: 92-65=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 64:[19, 65, 20], Operations: ['92-72=20'] Exploring Operation: 19+20=39, Resulting Numbers: [65, 39] Generated Node #0,0,0: 64:[65, 39] Operation: 19+20=39 Exploring Operation: 20-19=1, Resulting Numbers: [65, 1] Generated Node #0,0,1: 64:[65, 1] Operation: 20-19=1 Exploring Operation: 65-20=45, Resulting Numbers: [19, 45] Generated Node #0,0,2: 64:[19, 45] Operation: 65-20=45 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 64:[65, 1], Operations: ['92-72=20', '20-19=1'] Exploring Operation: 65*1=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,64 unequal: No Solution Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[92, 72, 19, 65], Operations: [] Exploring Operation: 92-72=20, Resulting Numbers: [19, 65, 20] Generated Node #0,0: 64:[19, 65, 20] Operation: 92-72=20 Moving to Node #0,0 Current State: 64:[19, 65, 20], Operations: ['92-72=20'] Exploring Operation: 20-19=1, Resulting Numbers: [65, 1] Generated Node #0,0,1: 64:[65, 1] Operation: 20-19=1 Moving to Node #0,0,1 Current State: 64:[65, 1], Operations: ['92-72=20', '20-19=1'] Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 64, 77, 32, 16 ]
51
[ "64*32=2048", "2048/16=128", "128-77=51" ]
Current State: 51:[64, 77, 32, 16], Operations: [] Exploring Operation: 64*32=2048, Resulting Numbers: [77, 16, 2048] Generated Node #2: [77, 16, 2048] from Operation: 64*32=2048 Current State: 51:[77, 16, 2048], Operations: ['64*32=2048'] Exploring Operation: 2048/16=128, Resulting Numbers: [77, 128] Generated Node #3: [77, 128] from Operation: 2048/16=128 Current State: 51:[77, 128], Operations: ['64*32=2048', '2048/16=128'] Exploring Operation: 128-77=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[64, 77, 32, 16], Operations: [] Exploring Operation: 77-64=13, Resulting Numbers: [32, 16, 13] Generated Node #0,0: 51:[32, 16, 13] Operation: 77-64=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[32, 16, 13], Operations: ['77-64=13'] Exploring Operation: 32-13=19, Resulting Numbers: [16, 19] Generated Node #0,0,0: 51:[16, 19] Operation: 32-13=19 Moving to Node #0,0,0 Current State: 51:[16, 19], Operations: ['77-64=13', '32-13=19'] Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 5, 46, 74, 2 ]
12
[ "5*2=10", "46+74=120", "120/10=12" ]
Current State: 12:[5, 46, 74, 2], Operations: [] Exploring Operation: 5*2=10, Resulting Numbers: [46, 74, 10] Generated Node #2: [46, 74, 10] from Operation: 5*2=10 Current State: 12:[46, 74, 10], Operations: ['5*2=10'] Exploring Operation: 46+74=120, Resulting Numbers: [10, 120] Generated Node #3: [10, 120] from Operation: 46+74=120 Current State: 12:[10, 120], Operations: ['5*2=10', '46+74=120'] Exploring Operation: 120/10=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[5, 46, 74, 2], Operations: [] Exploring Operation: 46/2=23, Resulting Numbers: [5, 74, 23] Generated Node #0,0: 12:[5, 74, 23] Operation: 46/2=23 Exploring Operation: 74-46=28, Resulting Numbers: [5, 2, 28] Generated Node #0,1: 12:[5, 2, 28] Operation: 74-46=28 Exploring Operation: 74/2=37, Resulting Numbers: [5, 46, 37] Generated Node #0,2: 12:[5, 46, 37] Operation: 74/2=37 Moving to Node #0,1 Current State: 12:[5, 2, 28], Operations: ['74-46=28'] Exploring Operation: 28-5=23, Resulting Numbers: [2, 23] Generated Node #0,1,0: 12:[2, 23] Operation: 28-5=23 Exploring Operation: 28-2=26, Resulting Numbers: [5, 26] Generated Node #0,1,1: 12:[5, 26] Operation: 28-2=26 Exploring Operation: 28/2=14, Resulting Numbers: [5, 14] Generated Node #0,1,2: 12:[5, 14] Operation: 28/2=14 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 12:[5, 14], Operations: ['74-46=28', '28/2=14'] Exploring Operation: 5*14=70, Resulting Numbers: [70] 70,12 unequal: No Solution Exploring Operation: 5+14=19, Resulting Numbers: [19] 19,12 unequal: No Solution Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 12:[2, 23], Operations: ['74-46=28', '28-5=23'] Exploring Operation: 2*23=46, Resulting Numbers: [46] 46,12 unequal: No Solution Exploring Operation: 2+23=25, Resulting Numbers: [25] 25,12 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 12:[5, 26], Operations: ['74-46=28', '28-2=26'] Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,12 unequal: No Solution Exploring Operation: 5*26=130, Resulting Numbers: [130] 130,12 unequal: No Solution Exploring Operation: 5+26=31, Resulting Numbers: [31] 31,12 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: 12:[5, 46, 37], Operations: ['74/2=37'] Exploring Operation: 46-5=41, Resulting Numbers: [37, 41] Generated Node #0,2,0: 12:[37, 41] Operation: 46-5=41 Exploring Operation: 46-37=9, Resulting Numbers: [5, 9] Generated Node #0,2,1: 12:[5, 9] Operation: 46-37=9 Exploring Operation: 37-5=32, Resulting Numbers: [46, 32] Generated Node #0,2,2: 12:[46, 32] Operation: 37-5=32 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 12:[5, 9], Operations: ['74/2=37', '46-37=9'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,12 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,12 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 12:[37, 41], Operations: ['74/2=37', '46-5=41'] Exploring Operation: 37*41=1517, Resulting Numbers: [1517] 1517,12 unequal: No Solution Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,12 unequal: No Solution Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 12:[46, 32], Operations: ['74/2=37', '37-5=32'] Exploring Operation: 46*32=1472, Resulting Numbers: [1472] 1472,12 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,12 unequal: No Solution Exploring Operation: 46+32=78, Resulting Numbers: [78] 78,12 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: 12:[5, 74, 23], Operations: ['46/2=23'] Exploring Operation: 74-5=69, Resulting Numbers: [23, 69] Generated Node #0,0,0: 12:[23, 69] Operation: 74-5=69 Exploring Operation: 74-23=51, Resulting Numbers: [5, 51] Generated Node #0,0,1: 12:[5, 51] Operation: 74-23=51 Exploring Operation: 23-5=18, Resulting Numbers: [74, 18] Generated Node #0,0,2: 12:[74, 18] Operation: 23-5=18 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 12:[5, 51], Operations: ['46/2=23', '74-23=51'] Exploring Operation: 5*51=255, Resulting Numbers: [255] 255,12 unequal: No Solution Exploring Operation: 5+51=56, Resulting Numbers: [56] 56,12 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 12:[23, 69], Operations: ['46/2=23', '74-5=69'] Exploring Operation: 23+69=92, Resulting Numbers: [92] 92,12 unequal: No Solution Exploring Operation: 69/23=3, Resulting Numbers: [3] 3,12 unequal: No Solution Exploring Operation: 69-23=46, Resulting Numbers: [46] 46,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 12:[74, 18], Operations: ['46/2=23', '23-5=18'] Exploring Operation: 74+18=92, Resulting Numbers: [92] 92,12 unequal: No Solution Exploring Operation: 74-18=56, Resulting Numbers: [56] 56,12 unequal: No Solution Exploring Operation: 74*18=1332, Resulting Numbers: [1332] 1332,12 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
[ 77, 55, 51, 10 ]
91
[ "77+55=132", "51-10=41", "132-41=91" ]
Current State: 91:[77, 55, 51, 10], Operations: [] Exploring Operation: 77+55=132, Resulting Numbers: [51, 10, 132] Generated Node #2: [51, 10, 132] from Operation: 77+55=132 Current State: 91:[51, 10, 132], Operations: ['77+55=132'] Exploring Operation: 51-10=41, Resulting Numbers: [132, 41] Generated Node #3: [132, 41] from Operation: 51-10=41 Current State: 91:[132, 41], Operations: ['77+55=132', '51-10=41'] Exploring Operation: 132-41=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[77, 55, 51, 10], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [77, 10, 4] Generated Node #0,0: 91:[77, 10, 4] Operation: 55-51=4 Moving to Node #0,0 Current State: 91:[77, 10, 4], Operations: ['55-51=4'] Exploring Operation: 77+10=87, Resulting Numbers: [4, 87] Generated Node #0,0,0: 91:[4, 87] Operation: 77+10=87 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[4, 87], Operations: ['55-51=4', '77+10=87'] Exploring Operation: 4+87=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[77, 55, 51, 10], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [77, 10, 4] Generated Node #0,0: 91:[77, 10, 4] Operation: 55-51=4 Moving to Node #0,0 Current State: 91:[77, 10, 4], Operations: ['55-51=4'] Exploring Operation: 77+10=87, Resulting Numbers: [4, 87] Generated Node #0,0,0: 91:[4, 87] Operation: 77+10=87 Moving to Node #0,0,0 Current State: 91:[4, 87], Operations: ['55-51=4', '77+10=87'] Exploring Operation: 4+87=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 73, 56, 4, 48 ]
39
[ "73-48=25", "56/4=14", "25+14=39" ]
Current State: 39:[73, 56, 4, 48], Operations: [] Exploring Operation: 73-48=25, Resulting Numbers: [56, 4, 25] Generated Node #2: [56, 4, 25] from Operation: 73-48=25 Current State: 39:[56, 4, 25], Operations: ['73-48=25'] Exploring Operation: 56/4=14, Resulting Numbers: [25, 14] Generated Node #3: [25, 14] from Operation: 56/4=14 Current State: 39:[25, 14], Operations: ['73-48=25', '56/4=14'] Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[73, 56, 4, 48], Operations: [] Exploring Operation: 56-48=8, Resulting Numbers: [73, 4, 8] Generated Node #0,0: 39:[73, 4, 8] Operation: 56-48=8 Exploring Operation: 73-48=25, Resulting Numbers: [56, 4, 25] Generated Node #0,1: 39:[56, 4, 25] Operation: 73-48=25 Exploring Operation: 56/4=14, Resulting Numbers: [73, 48, 14] Generated Node #0,2: 39:[73, 48, 14] Operation: 56/4=14 Exploring Operation: 73-56=17, Resulting Numbers: [4, 48, 17] Generated Node #0,3: 39:[4, 48, 17] Operation: 73-56=17 Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[4, 48, 17], Operations: ['73-56=17'] Exploring Operation: 48-4=44, Resulting Numbers: [17, 44] Generated Node #0,3,0: 39:[17, 44] Operation: 48-4=44 Exploring Operation: 48/4=12, Resulting Numbers: [17, 12] Generated Node #0,3,1: 39:[17, 12] Operation: 48/4=12 Exploring Operation: 48-17=31, Resulting Numbers: [4, 31] Generated Node #0,3,2: 39:[4, 31] Operation: 48-17=31 Exploring Operation: 17-4=13, Resulting Numbers: [48, 13] Generated Node #0,3,3: 39:[48, 13] Operation: 17-4=13 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 39:[17, 12], Operations: ['73-56=17', '48/4=12'] Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,39 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,39 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 39:[17, 44], Operations: ['73-56=17', '48-4=44'] Exploring Operation: 17*44=748, Resulting Numbers: [748] 748,39 unequal: No Solution Exploring Operation: 17+44=61, Resulting Numbers: [61] 61,39 unequal: No Solution Exploring Operation: 44-17=27, Resulting Numbers: [27] 27,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 39:[4, 31], Operations: ['73-56=17', '48-17=31'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,39 unequal: No Solution Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 39:[48, 13], Operations: ['73-56=17', '17-4=13'] Exploring Operation: 48*13=624, Resulting Numbers: [624] 624,39 unequal: No Solution Exploring Operation: 48-13=35, Resulting Numbers: [35] 35,39 unequal: No Solution Exploring Operation: 48+13=61, Resulting Numbers: [61] 61,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[56, 4, 25], Operations: ['73-48=25'] Exploring Operation: 56-4=52, Resulting Numbers: [25, 52] Generated Node #0,1,0: 39:[25, 52] Operation: 56-4=52 Exploring Operation: 25-4=21, Resulting Numbers: [56, 21] Generated Node #0,1,1: 39:[56, 21] Operation: 25-4=21 Exploring Operation: 56/4=14, Resulting Numbers: [25, 14] Generated Node #0,1,2: 39:[25, 14] Operation: 56/4=14 Exploring Operation: 56-25=31, Resulting Numbers: [4, 31] Generated Node #0,1,3: 39:[4, 31] Operation: 56-25=31 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 39:[4, 31], Operations: ['73-48=25', '56-25=31'] Exploring Operation: 31-4=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 4+31=35, Resulting Numbers: [35] 35,39 unequal: No Solution Exploring Operation: 4*31=124, Resulting Numbers: [124] 124,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 39:[25, 14], Operations: ['73-48=25', '56/4=14'] Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[73, 56, 4, 48], Operations: [] Exploring Operation: 73-48=25, Resulting Numbers: [56, 4, 25] Generated Node #0,1: 39:[56, 4, 25] Operation: 73-48=25 Moving to Node #0,1 Current State: 39:[56, 4, 25], Operations: ['73-48=25'] Exploring Operation: 56/4=14, Resulting Numbers: [25, 14] Generated Node #0,1,2: 39:[25, 14] Operation: 56/4=14 Moving to Node #0,1,2 Current State: 39:[25, 14], Operations: ['73-48=25', '56/4=14'] Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 91, 87, 59, 2 ]
36
[ "91*2=182", "87+59=146", "182-146=36" ]
Current State: 36:[91, 87, 59, 2], Operations: [] Exploring Operation: 91*2=182, Resulting Numbers: [87, 59, 182] Generated Node #2: [87, 59, 182] from Operation: 91*2=182 Current State: 36:[87, 59, 182], Operations: ['91*2=182'] Exploring Operation: 87+59=146, Resulting Numbers: [182, 146] Generated Node #3: [182, 146] from Operation: 87+59=146 Current State: 36:[182, 146], Operations: ['91*2=182', '87+59=146'] Exploring Operation: 182-146=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[91, 87, 59, 2], Operations: [] Exploring Operation: 87-2=85, Resulting Numbers: [91, 59, 85] Generated Node #0,0: 36:[91, 59, 85] Operation: 87-2=85 Exploring Operation: 91-59=32, Resulting Numbers: [87, 2, 32] Generated Node #0,1: 36:[87, 2, 32] Operation: 91-59=32 Exploring Operation: 91-2=89, Resulting Numbers: [87, 59, 89] Generated Node #0,2: 36:[87, 59, 89] Operation: 91-2=89 Exploring Operation: 87-59=28, Resulting Numbers: [91, 2, 28] Generated Node #0,3: 36:[91, 2, 28] Operation: 87-59=28 Exploring Operation: 91-87=4, Resulting Numbers: [59, 2, 4] Generated Node #0,4: 36:[59, 2, 4] Operation: 91-87=4 Start Sub Search at level 1: Moving to Node #0,4 Current State: 36:[59, 2, 4], Operations: ['91-87=4'] Exploring Operation: 4/2=2, Resulting Numbers: [59, 2] Generated Node #0,4,0: 36:[59, 2] Operation: 4/2=2 Exploring Operation: 4-2=2, Resulting Numbers: [59, 2] Generated Node #0,4,1: 36:[59, 2] Operation: 4-2=2 Exploring Operation: 2+4=6, Resulting Numbers: [59, 6] Generated Node #0,4,2: 36:[59, 6] Operation: 2+4=6 Exploring Operation: 59-4=55, Resulting Numbers: [2, 55] Generated Node #0,4,3: 36:[2, 55] Operation: 59-4=55 Exploring Operation: 59-2=57, Resulting Numbers: [4, 57] Generated Node #0,4,4: 36:[4, 57] Operation: 59-2=57 Moving to Node #0,4,3 Current State: 36:[2, 55], Operations: ['91-87=4', '59-4=55'] Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,36 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,36 unequal: No Solution Moving to Node #0,4,4 Current State: 36:[4, 57], Operations: ['91-87=4', '59-2=57'] Exploring Operation: 4+57=61, Resulting Numbers: [61] 61,36 unequal: No Solution Exploring Operation: 57-4=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 4*57=228, Resulting Numbers: [228] 228,36 unequal: No Solution Moving to Node #0,4,0 Current State: 36:[59, 2], Operations: ['91-87=4', '4/2=2'] Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,36 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,36 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,36 unequal: No Solution Moving to Node #0,4,1 Current State: 36:[59, 2], Operations: ['91-87=4', '4-2=2'] Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,36 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,36 unequal: No Solution Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,36 unequal: No Solution Moving to Node #0,4,2 Current State: 36:[59, 6], Operations: ['91-87=4', '2+4=6'] Exploring Operation: 59+6=65, Resulting Numbers: [65] 65,36 unequal: No Solution Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 59*6=354, Resulting Numbers: [354] 354,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[87, 2, 32], Operations: ['91-59=32'] Exploring Operation: 87-2=85, Resulting Numbers: [32, 85] Generated Node #0,1,0: 36:[32, 85] Operation: 87-2=85 Exploring Operation: 87+2=89, Resulting Numbers: [32, 89] Generated Node #0,1,1: 36:[32, 89] Operation: 87+2=89 Exploring Operation: 87-32=55, Resulting Numbers: [2, 55] Generated Node #0,1,2: 36:[2, 55] Operation: 87-32=55 Exploring Operation: 2+32=34, Resulting Numbers: [87, 34] Generated Node #0,1,3: 36:[87, 34] Operation: 2+32=34 Exploring Operation: 32/2=16, Resulting Numbers: [87, 16] Generated Node #0,1,4: 36:[87, 16] Operation: 32/2=16 Moving to Node #0,1,2 Current State: 36:[2, 55], Operations: ['91-59=32', '87-32=55'] Exploring Operation: 2+55=57, Resulting Numbers: [57] 57,36 unequal: No Solution Exploring Operation: 55-2=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 2*55=110, Resulting Numbers: [110] 110,36 unequal: No Solution Moving to Node #0,1,3 Current State: 36:[87, 34], Operations: ['91-59=32', '2+32=34'] Exploring Operation: 87+34=121, Resulting Numbers: [121] 121,36 unequal: No Solution Exploring Operation: 87*34=2958, Resulting Numbers: [2958] 2958,36 unequal: No Solution Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[32, 85], Operations: ['91-59=32', '87-2=85'] Exploring Operation: 32*85=2720, Resulting Numbers: [2720] 2720,36 unequal: No Solution Exploring Operation: 32+85=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 85-32=53, Resulting Numbers: [53] 53,36 unequal: No Solution Moving to Node #0,1,4 Current State: 36:[87, 16], Operations: ['91-59=32', '32/2=16'] Exploring Operation: 87+16=103, Resulting Numbers: [103] 103,36 unequal: No Solution Exploring Operation: 87-16=71, Resulting Numbers: [71] 71,36 unequal: No Solution Exploring Operation: 87*16=1392, Resulting Numbers: [1392] 1392,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[32, 89], Operations: ['91-59=32', '87+2=89'] Exploring Operation: 32*89=2848, Resulting Numbers: [2848] 2848,36 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,36 unequal: No Solution Exploring Operation: 32+89=121, Resulting Numbers: [121] 121,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 36:[91, 2, 28], Operations: ['87-59=28'] Exploring Operation: 28/2=14, Resulting Numbers: [91, 14] Generated Node #0,3,0: 36:[91, 14] Operation: 28/2=14 Exploring Operation: 91-28=63, Resulting Numbers: [2, 63] Generated Node #0,3,1: 36:[2, 63] Operation: 91-28=63 Exploring Operation: 28-2=26, Resulting Numbers: [91, 26] Generated Node #0,3,2: 36:[91, 26] Operation: 28-2=26 Exploring Operation: 91-2=89, Resulting Numbers: [28, 89] Generated Node #0,3,3: 36:[28, 89] Operation: 91-2=89 Exploring Operation: 2+28=30, Resulting Numbers: [91, 30] Generated Node #0,3,4: 36:[91, 30] Operation: 2+28=30 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 36:[2, 63], Operations: ['87-59=28', '91-28=63'] Exploring Operation: 63-2=61, Resulting Numbers: [61] 61,36 unequal: No Solution Exploring Operation: 2+63=65, Resulting Numbers: [65] 65,36 unequal: No Solution Exploring Operation: 2*63=126, Resulting Numbers: [126] 126,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 36:[91, 14], Operations: ['87-59=28', '28/2=14'] Exploring Operation: 91*14=1274, Resulting Numbers: [1274] 1274,36 unequal: No Solution Exploring Operation: 91-14=77, Resulting Numbers: [77] 77,36 unequal: No Solution Exploring Operation: 91+14=105, Resulting Numbers: [105] 105,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 36:[28, 89], Operations: ['87-59=28', '91-2=89'] Exploring Operation: 89-28=61, Resulting Numbers: [61] 61,36 unequal: No Solution Exploring Operation: 28*89=2492, Resulting Numbers: [2492] 2492,36 unequal: No Solution Exploring Operation: 28+89=117, Resulting Numbers: [117] 117,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 36:[91, 30], Operations: ['87-59=28', '2+28=30'] Exploring Operation: 91*30=2730, Resulting Numbers: [2730] 2730,36 unequal: No Solution Exploring Operation: 91+30=121, Resulting Numbers: [121] 121,36 unequal: No Solution Exploring Operation: 91-30=61, Resulting Numbers: [61] 61,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 36:[91, 26], Operations: ['87-59=28', '28-2=26'] Exploring Operation: 91*26=2366, Resulting Numbers: [2366] 2366,36 unequal: No Solution Exploring Operation: 91+26=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 91-26=65, Resulting Numbers: [65] 65,36 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[91, 59, 85], Operations: ['87-2=85'] Exploring Operation: 85-59=26, Resulting Numbers: [91, 26] Generated Node #0,0,0: 36:[91, 26] Operation: 85-59=26 Exploring Operation: 91-85=6, Resulting Numbers: [59, 6] Generated Node #0,0,1: 36:[59, 6] Operation: 91-85=6 Exploring Operation: 91-59=32, Resulting Numbers: [85, 32] Generated Node #0,0,2: 36:[85, 32] Operation: 91-59=32 Exploring Operation: 91+85=176, Resulting Numbers: [59, 176] Generated Node #0,0,3: 36:[59, 176] Operation: 91+85=176 Exploring Operation: 91+59=150, Resulting Numbers: [85, 150] Generated Node #0,0,4: 36:[85, 150] Operation: 91+59=150 Moving to Node #0,0,1 Current State: 36:[59, 6], Operations: ['87-2=85', '91-85=6'] Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 59+6=65, Resulting Numbers: [65] 65,36 unequal: No Solution Exploring Operation: 59*6=354, Resulting Numbers: [354] 354,36 unequal: No Solution Moving to Node #0,0,2 Current State: 36:[85, 32], Operations: ['87-2=85', '91-59=32'] Exploring Operation: 85-32=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 85+32=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 85*32=2720, Resulting Numbers: [2720] 2720,36 unequal: No Solution Moving to Node #0,0,0 Current State: 36:[91, 26], Operations: ['87-2=85', '85-59=26'] Exploring Operation: 91-26=65, Resulting Numbers: [65] 65,36 unequal: No Solution Exploring Operation: 91+26=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 91*26=2366, Resulting Numbers: [2366] 2366,36 unequal: No Solution Moving to Node #0,0,3 Current State: 36:[59, 176], Operations: ['87-2=85', '91+85=176'] Exploring Operation: 59+176=235, Resulting Numbers: [235] 235,36 unequal: No Solution Exploring Operation: 176-59=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 59*176=10384, Resulting Numbers: [10384] 10384,36 unequal: No Solution Moving to Node #0,0,4 Current State: 36:[85, 150], Operations: ['87-2=85', '91+59=150'] Exploring Operation: 85*150=12750, Resulting Numbers: [12750] 12750,36 unequal: No Solution Exploring Operation: 150-85=65, Resulting Numbers: [65] 65,36 unequal: No Solution Exploring Operation: 85+150=235, Resulting Numbers: [235] 235,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 36:[87, 59, 89], Operations: ['91-2=89'] Exploring Operation: 89-87=2, Resulting Numbers: [59, 2] Generated Node #0,2,0: 36:[59, 2] Operation: 89-87=2 Exploring Operation: 87+89=176, Resulting Numbers: [59, 176] Generated Node #0,2,1: 36:[59, 176] Operation: 87+89=176 Exploring Operation: 87+59=146, Resulting Numbers: [89, 146] Generated Node #0,2,2: 36:[89, 146] Operation: 87+59=146 Exploring Operation: 89-59=30, Resulting Numbers: [87, 30] Generated Node #0,2,3: 36:[87, 30] Operation: 89-59=30 Exploring Operation: 87-59=28, Resulting Numbers: [89, 28] Generated Node #0,2,4: 36:[89, 28] Operation: 87-59=28 Moving to Node #0,2,0 Current State: 36:[59, 2], Operations: ['91-2=89', '89-87=2'] Exploring Operation: 59*2=118, Resulting Numbers: [118] 118,36 unequal: No Solution Exploring Operation: 59+2=61, Resulting Numbers: [61] 61,36 unequal: No Solution Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,36 unequal: No Solution Moving to Node #0,2,3 Current State: 36:[87, 30], Operations: ['91-2=89', '89-59=30'] Exploring Operation: 87*30=2610, Resulting Numbers: [2610] 2610,36 unequal: No Solution Exploring Operation: 87+30=117, Resulting Numbers: [117] 117,36 unequal: No Solution Exploring Operation: 87-30=57, Resulting Numbers: [57] 57,36 unequal: No Solution Moving to Node #0,2,4 Current State: 36:[89, 28], Operations: ['91-2=89', '87-59=28'] Exploring Operation: 89-28=61, Resulting Numbers: [61] 61,36 unequal: No Solution Exploring Operation: 89*28=2492, Resulting Numbers: [2492] 2492,36 unequal: No Solution Exploring Operation: 89+28=117, Resulting Numbers: [117] 117,36 unequal: No Solution Moving to Node #0,2,1 Current State: 36:[59, 176], Operations: ['91-2=89', '87+89=176'] Exploring Operation: 59*176=10384, Resulting Numbers: [10384] 10384,36 unequal: No Solution Exploring Operation: 59+176=235, Resulting Numbers: [235] 235,36 unequal: No Solution Exploring Operation: 176-59=117, Resulting Numbers: [117] 117,36 unequal: No Solution Moving to Node #0,2,2 Current State: 36:[89, 146], Operations: ['91-2=89', '87+59=146'] Exploring Operation: 146-89=57, Resulting Numbers: [57] 57,36 unequal: No Solution Exploring Operation: 89+146=235, Resulting Numbers: [235] 235,36 unequal: No Solution Exploring Operation: 89*146=12994, Resulting Numbers: [12994] 12994,36 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
[ 32, 37, 44, 35 ]
37
[ "37-32=5", "35/5=7", "44-7=37" ]
Current State: 37:[32, 37, 44, 35], Operations: [] Exploring Operation: 37-32=5, Resulting Numbers: [44, 35, 5] Generated Node #2: [44, 35, 5] from Operation: 37-32=5 Current State: 37:[44, 35, 5], Operations: ['37-32=5'] Exploring Operation: 35/5=7, Resulting Numbers: [44, 7] Generated Node #3: [44, 7] from Operation: 35/5=7 Current State: 37:[44, 7], Operations: ['37-32=5', '35/5=7'] Exploring Operation: 44-7=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[32, 37, 44, 35], Operations: [] Exploring Operation: 44-32=12, Resulting Numbers: [37, 35, 12] Generated Node #0,0: 37:[37, 35, 12] Operation: 44-32=12 Exploring Operation: 44-35=9, Resulting Numbers: [32, 37, 9] Generated Node #0,1: 37:[32, 37, 9] Operation: 44-35=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 37:[37, 35, 12], Operations: ['44-32=12'] Exploring Operation: 35+12=47, Resulting Numbers: [37, 47] Generated Node #0,0,0: 37:[37, 47] Operation: 35+12=47 Exploring Operation: 37+12=49, Resulting Numbers: [35, 49] Generated Node #0,0,1: 37:[35, 49] Operation: 37+12=49 Moving to Node #0,0,0 Current State: 37:[37, 47], Operations: ['44-32=12', '35+12=47'] Exploring Operation: 37+47=84, Resulting Numbers: [84] 84,37 unequal: No Solution Exploring Operation: 47-37=10, Resulting Numbers: [10] 10,37 unequal: No Solution Moving to Node #0,0,1 Current State: 37:[35, 49], Operations: ['44-32=12', '37+12=49'] Exploring Operation: 35+49=84, Resulting Numbers: [84] 84,37 unequal: No Solution Exploring Operation: 49-35=14, Resulting Numbers: [14] 14,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 37:[32, 37, 9], Operations: ['44-35=9'] Exploring Operation: 32-9=23, Resulting Numbers: [37, 23] Generated Node #0,1,0: 37:[37, 23] Operation: 32-9=23 Exploring Operation: 32+9=41, Resulting Numbers: [37, 41] Generated Node #0,1,1: 37:[37, 41] Operation: 32+9=41 Moving to Node #0,1,1 Current State: 37:[37, 41], Operations: ['44-35=9', '32+9=41'] Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,37 unequal: No Solution Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,37 unequal: No Solution Moving to Node #0,1,0 Current State: 37:[37, 23], Operations: ['44-35=9', '32-9=23'] Exploring Operation: 37+23=60, Resulting Numbers: [60] 60,37 unequal: No Solution Exploring Operation: 37-23=14, Resulting Numbers: [14] 14,37 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
[ 59, 48, 18, 26 ]
99
[ "59+48=107", "26-18=8", "107-8=99" ]
Current State: 99:[59, 48, 18, 26], Operations: [] Exploring Operation: 59+48=107, Resulting Numbers: [18, 26, 107] Generated Node #2: [18, 26, 107] from Operation: 59+48=107 Current State: 99:[18, 26, 107], Operations: ['59+48=107'] Exploring Operation: 26-18=8, Resulting Numbers: [107, 8] Generated Node #3: [107, 8] from Operation: 26-18=8 Current State: 99:[107, 8], Operations: ['59+48=107', '26-18=8'] Exploring Operation: 107-8=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[59, 48, 18, 26], Operations: [] Exploring Operation: 59-48=11, Resulting Numbers: [18, 26, 11] Generated Node #0,0: 99:[18, 26, 11] Operation: 59-48=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[18, 26, 11], Operations: ['59-48=11'] Exploring Operation: 26-18=8, Resulting Numbers: [11, 8] Generated Node #0,0,0: 99:[11, 8] Operation: 26-18=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[11, 8], Operations: ['59-48=11', '26-18=8'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,99 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
[ 8, 60, 49, 71 ]
46
[ "8+60=68", "71-49=22", "68-22=46" ]
Current State: 46:[8, 60, 49, 71], Operations: [] Exploring Operation: 8+60=68, Resulting Numbers: [49, 71, 68] Generated Node #2: [49, 71, 68] from Operation: 8+60=68 Current State: 46:[49, 71, 68], Operations: ['8+60=68'] Exploring Operation: 71-49=22, Resulting Numbers: [68, 22] Generated Node #3: [68, 22] from Operation: 71-49=22 Current State: 46:[68, 22], Operations: ['8+60=68', '71-49=22'] Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[8, 60, 49, 71], Operations: [] Exploring Operation: 71-60=11, Resulting Numbers: [8, 49, 11] Generated Node #0,0: 46:[8, 49, 11] Operation: 71-60=11 Moving to Node #0,0 Current State: 46:[8, 49, 11], Operations: ['71-60=11'] Exploring Operation: 11-8=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 46:[49, 3] Operation: 11-8=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 46:[49, 3], Operations: ['71-60=11', '11-8=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[8, 60, 49, 71], Operations: [] Exploring Operation: 71-60=11, Resulting Numbers: [8, 49, 11] Generated Node #0,0: 46:[8, 49, 11] Operation: 71-60=11 Moving to Node #0,0 Current State: 46:[8, 49, 11], Operations: ['71-60=11'] Exploring Operation: 11-8=3, Resulting Numbers: [49, 3] Generated Node #0,0,0: 46:[49, 3] Operation: 11-8=3 Moving to Node #0,0,0 Current State: 46:[49, 3], Operations: ['71-60=11', '11-8=3'] Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 56, 41, 59, 39 ]
62
[ "41-39=2", "59*2=118", "118-56=62" ]
Current State: 62:[56, 41, 59, 39], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [56, 59, 2] Generated Node #2: [56, 59, 2] from Operation: 41-39=2 Current State: 62:[56, 59, 2], Operations: ['41-39=2'] Exploring Operation: 59*2=118, Resulting Numbers: [56, 118] Generated Node #3: [56, 118] from Operation: 59*2=118 Current State: 62:[56, 118], Operations: ['41-39=2', '59*2=118'] Exploring Operation: 118-56=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[56, 41, 59, 39], Operations: [] Exploring Operation: 56-41=15, Resulting Numbers: [59, 39, 15] Generated Node #0,0: 62:[59, 39, 15] Operation: 56-41=15 Exploring Operation: 41-39=2, Resulting Numbers: [56, 59, 2] Generated Node #0,1: 62:[56, 59, 2] Operation: 41-39=2 Exploring Operation: 59-56=3, Resulting Numbers: [41, 39, 3] Generated Node #0,2: 62:[41, 39, 3] Operation: 59-56=3 Moving to Node #0,1 Current State: 62:[56, 59, 2], Operations: ['41-39=2'] Exploring Operation: 56+2=58, Resulting Numbers: [59, 58] Generated Node #0,1,0: 62:[59, 58] Operation: 56+2=58 Exploring Operation: 56/2=28, Resulting Numbers: [59, 28] Generated Node #0,1,1: 62:[59, 28] Operation: 56/2=28 Exploring Operation: 59-56=3, Resulting Numbers: [2, 3] Generated Node #0,1,2: 62:[2, 3] Operation: 59-56=3 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 62:[2, 3], Operations: ['41-39=2', '59-56=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 62:[59, 28], Operations: ['41-39=2', '56/2=28'] Exploring Operation: 59-28=31, Resulting Numbers: [31] 31,62 unequal: No Solution Exploring Operation: 59*28=1652, Resulting Numbers: [1652] 1652,62 unequal: No Solution Exploring Operation: 59+28=87, Resulting Numbers: [87] 87,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[59, 58], Operations: ['41-39=2', '56+2=58'] Exploring Operation: 59+58=117, Resulting Numbers: [117] 117,62 unequal: No Solution Exploring Operation: 59*58=3422, Resulting Numbers: [3422] 3422,62 unequal: No Solution Exploring Operation: 59-58=1, Resulting Numbers: [1] 1,62 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: 62:[41, 39, 3], Operations: ['59-56=3'] Exploring Operation: 41-3=38, Resulting Numbers: [39, 38] Generated Node #0,2,0: 62:[39, 38] Operation: 41-3=38 Exploring Operation: 41-39=2, Resulting Numbers: [3, 2] Generated Node #0,2,1: 62:[3, 2] Operation: 41-39=2 Exploring Operation: 39-3=36, Resulting Numbers: [41, 36] Generated Node #0,2,2: 62:[41, 36] Operation: 39-3=36 Moving to Node #0,0 Current State: 62:[59, 39, 15], Operations: ['56-41=15'] Exploring Operation: 39-15=24, Resulting Numbers: [59, 24] Generated Node #0,0,0: 62:[59, 24] Operation: 39-15=24 Exploring Operation: 39+15=54, Resulting Numbers: [59, 54] Generated Node #0,0,1: 62:[59, 54] Operation: 39+15=54 Exploring Operation: 59+15=74, Resulting Numbers: [39, 74] Generated Node #0,0,2: 62:[39, 74] Operation: 59+15=74 Moving to Node #0,2,1 Current State: 62:[3, 2], Operations: ['59-56=3', '41-39=2'] Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,62 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,62 unequal: No Solution Moving to Node #0,0,0 Current State: 62:[59, 24], Operations: ['56-41=15', '39-15=24'] Exploring Operation: 59+24=83, Resulting Numbers: [83] 83,62 unequal: No Solution Exploring Operation: 59-24=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 59*24=1416, Resulting Numbers: [1416] 1416,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[59, 54], Operations: ['56-41=15', '39+15=54'] Exploring Operation: 59-54=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 59+54=113, Resulting Numbers: [113] 113,62 unequal: No Solution Exploring Operation: 59*54=3186, Resulting Numbers: [3186] 3186,62 unequal: No Solution Moving to Node #0,2,2 Current State: 62:[41, 36], Operations: ['59-56=3', '39-3=36'] Exploring Operation: 41+36=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 41-36=5, Resulting Numbers: [5] 5,62 unequal: No Solution Exploring Operation: 41*36=1476, Resulting Numbers: [1476] 1476,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[39, 38], Operations: ['59-56=3', '41-3=38'] Exploring Operation: 39+38=77, Resulting Numbers: [77] 77,62 unequal: No Solution Exploring Operation: 39*38=1482, Resulting Numbers: [1482] 1482,62 unequal: No Solution Exploring Operation: 39-38=1, Resulting Numbers: [1] 1,62 unequal: No Solution Moving to Node #0,0,2 Current State: 62:[39, 74], Operations: ['56-41=15', '59+15=74'] Exploring Operation: 39+74=113, Resulting Numbers: [113] 113,62 unequal: No Solution Exploring Operation: 39*74=2886, Resulting Numbers: [2886] 2886,62 unequal: No Solution Exploring Operation: 74-39=35, Resulting Numbers: [35] 35,62 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 37, 82, 88, 29 ]
14
[ "82-37=45", "88-29=59", "59-45=14" ]
Current State: 14:[37, 82, 88, 29], Operations: [] Exploring Operation: 82-37=45, Resulting Numbers: [88, 29, 45] Generated Node #2: [88, 29, 45] from Operation: 82-37=45 Current State: 14:[88, 29, 45], Operations: ['82-37=45'] Exploring Operation: 88-29=59, Resulting Numbers: [45, 59] Generated Node #3: [45, 59] from Operation: 88-29=59 Current State: 14:[45, 59], Operations: ['82-37=45', '88-29=59'] Exploring Operation: 59-45=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[37, 82, 88, 29], Operations: [] Exploring Operation: 82-37=45, Resulting Numbers: [88, 29, 45] Generated Node #0,0: 14:[88, 29, 45] Operation: 82-37=45 Exploring Operation: 82-29=53, Resulting Numbers: [37, 88, 53] Generated Node #0,1: 14:[37, 88, 53] Operation: 82-29=53 Exploring Operation: 88-37=51, Resulting Numbers: [82, 29, 51] Generated Node #0,2: 14:[82, 29, 51] Operation: 88-37=51 Exploring Operation: 88-82=6, Resulting Numbers: [37, 29, 6] Generated Node #0,3: 14:[37, 29, 6] Operation: 88-82=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[37, 29, 6], Operations: ['88-82=6'] Exploring Operation: 37-29=8, Resulting Numbers: [6, 8] Generated Node #0,3,0: 14:[6, 8] Operation: 37-29=8 Exploring Operation: 37-6=31, Resulting Numbers: [29, 31] Generated Node #0,3,1: 14:[29, 31] Operation: 37-6=31 Exploring Operation: 37+6=43, Resulting Numbers: [29, 43] Generated Node #0,3,2: 14:[29, 43] Operation: 37+6=43 Exploring Operation: 29-6=23, Resulting Numbers: [37, 23] Generated Node #0,3,3: 14:[37, 23] Operation: 29-6=23 Moving to Node #0,3,0 Current State: 14:[6, 8], Operations: ['88-82=6', '37-29=8'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 6*8=48, Resulting Numbers: [48] 48,14 unequal: No Solution Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[37, 82, 88, 29], Operations: [] Exploring Operation: 88-82=6, Resulting Numbers: [37, 29, 6] Generated Node #0,3: 14:[37, 29, 6] Operation: 88-82=6 Moving to Node #0,3 Current State: 14:[37, 29, 6], Operations: ['88-82=6'] Exploring Operation: 37-29=8, Resulting Numbers: [6, 8] Generated Node #0,3,0: 14:[6, 8] Operation: 37-29=8 Moving to Node #0,3,0 Current State: 14:[6, 8], Operations: ['88-82=6', '37-29=8'] Exploring Operation: 6+8=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 19, 10, 5, 17 ]
30
[ "19-5=14", "17-14=3", "10*3=30" ]
Current State: 30:[19, 10, 5, 17], Operations: [] Exploring Operation: 19-5=14, Resulting Numbers: [10, 17, 14] Generated Node #2: [10, 17, 14] from Operation: 19-5=14 Current State: 30:[10, 17, 14], Operations: ['19-5=14'] Exploring Operation: 17-14=3, Resulting Numbers: [10, 3] Generated Node #3: [10, 3] from Operation: 17-14=3 Current State: 30:[10, 3], Operations: ['19-5=14', '17-14=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[19, 10, 5, 17], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [10, 5, 2] Generated Node #0,0: 30:[10, 5, 2] Operation: 19-17=2 Moving to Node #0,0 Current State: 30:[10, 5, 2], Operations: ['19-17=2'] Exploring Operation: 10+5=15, Resulting Numbers: [2, 15] Generated Node #0,0,0: 30:[2, 15] Operation: 10+5=15 Moving to Node #0,0,0 Current State: 30:[2, 15], Operations: ['19-17=2', '10+5=15'] Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[19, 10, 5, 17], Operations: [] Exploring Operation: 19-17=2, Resulting Numbers: [10, 5, 2] Generated Node #0,0: 30:[10, 5, 2] Operation: 19-17=2 Moving to Node #0,0 Current State: 30:[10, 5, 2], Operations: ['19-17=2'] Exploring Operation: 10+5=15, Resulting Numbers: [2, 15] Generated Node #0,0,0: 30:[2, 15] Operation: 10+5=15 Moving to Node #0,0,0 Current State: 30:[2, 15], Operations: ['19-17=2', '10+5=15'] Exploring Operation: 2*15=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 6, 59, 48, 32 ]
35
[ "48/6=8", "59-32=27", "8+27=35" ]
Current State: 35:[6, 59, 48, 32], Operations: [] Exploring Operation: 48/6=8, Resulting Numbers: [59, 32, 8] Generated Node #2: [59, 32, 8] from Operation: 48/6=8 Current State: 35:[59, 32, 8], Operations: ['48/6=8'] Exploring Operation: 59-32=27, Resulting Numbers: [8, 27] Generated Node #3: [8, 27] from Operation: 59-32=27 Current State: 35:[8, 27], Operations: ['48/6=8', '59-32=27'] Exploring Operation: 8+27=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[6, 59, 48, 32], Operations: [] Exploring Operation: 48/6=8, Resulting Numbers: [59, 32, 8] Generated Node #0,0: 35:[59, 32, 8] Operation: 48/6=8 Exploring Operation: 59-48=11, Resulting Numbers: [6, 32, 11] Generated Node #0,1: 35:[6, 32, 11] Operation: 59-48=11 Exploring Operation: 59-32=27, Resulting Numbers: [6, 48, 27] Generated Node #0,2: 35:[6, 48, 27] Operation: 59-32=27 Exploring Operation: 59-6=53, Resulting Numbers: [48, 32, 53] Generated Node #0,3: 35:[48, 32, 53] Operation: 59-6=53 Moving to Node #0,1 Current State: 35:[6, 32, 11], Operations: ['59-48=11'] Exploring Operation: 32+11=43, Resulting Numbers: [6, 43] Generated Node #0,1,0: 35:[6, 43] Operation: 32+11=43 Exploring Operation: 6+32=38, Resulting Numbers: [11, 38] Generated Node #0,1,1: 35:[11, 38] Operation: 6+32=38 Exploring Operation: 11-6=5, Resulting Numbers: [32, 5] Generated Node #0,1,2: 35:[32, 5] Operation: 11-6=5 Exploring Operation: 32-6=26, Resulting Numbers: [11, 26] Generated Node #0,1,3: 35:[11, 26] Operation: 32-6=26 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[32, 5], Operations: ['59-48=11', '11-6=5'] Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,35 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 32*5=160, Resulting Numbers: [160] 160,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[11, 38], Operations: ['59-48=11', '6+32=38'] Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 11+38=49, Resulting Numbers: [49] 49,35 unequal: No Solution Exploring Operation: 11*38=418, Resulting Numbers: [418] 418,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[6, 43], Operations: ['59-48=11', '32+11=43'] Exploring Operation: 6+43=49, Resulting Numbers: [49] 49,35 unequal: No Solution Exploring Operation: 6*43=258, Resulting Numbers: [258] 258,35 unequal: No Solution Exploring Operation: 43-6=37, Resulting Numbers: [37] 37,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 35:[11, 26], Operations: ['59-48=11', '32-6=26'] Exploring Operation: 11+26=37, Resulting Numbers: [37] 37,35 unequal: No Solution Exploring Operation: 11*26=286, Resulting Numbers: [286] 286,35 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,35 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: 35:[6, 48, 27], Operations: ['59-32=27'] Exploring Operation: 48-6=42, Resulting Numbers: [27, 42] Generated Node #0,2,0: 35:[27, 42] Operation: 48-6=42 Exploring Operation: 48-27=21, Resulting Numbers: [6, 21] Generated Node #0,2,1: 35:[6, 21] Operation: 48-27=21 Exploring Operation: 6+27=33, Resulting Numbers: [48, 33] Generated Node #0,2,2: 35:[48, 33] Operation: 6+27=33 Exploring Operation: 48/6=8, Resulting Numbers: [27, 8] Generated Node #0,2,3: 35:[27, 8] Operation: 48/6=8 Moving to Node #0,0 Current State: 35:[59, 32, 8], Operations: ['48/6=8'] Exploring Operation: 32/8=4, Resulting Numbers: [59, 4] Generated Node #0,0,0: 35:[59, 4] Operation: 32/8=4 Exploring Operation: 32+8=40, Resulting Numbers: [59, 40] Generated Node #0,0,1: 35:[59, 40] Operation: 32+8=40 Exploring Operation: 59-8=51, Resulting Numbers: [32, 51] Generated Node #0,0,2: 35:[32, 51] Operation: 59-8=51 Exploring Operation: 59-32=27, Resulting Numbers: [8, 27] Generated Node #0,0,3: 35:[8, 27] Operation: 59-32=27 Moving to Node #0,3 Current State: 35:[48, 32, 53], Operations: ['59-6=53'] Exploring Operation: 53-48=5, Resulting Numbers: [32, 5] Generated Node #0,3,0: 35:[32, 5] Operation: 53-48=5 Exploring Operation: 48-32=16, Resulting Numbers: [53, 16] Generated Node #0,3,1: 35:[53, 16] Operation: 48-32=16 Exploring Operation: 53-32=21, Resulting Numbers: [48, 21] Generated Node #0,3,2: 35:[48, 21] Operation: 53-32=21 Exploring Operation: 48+32=80, Resulting Numbers: [53, 80] Generated Node #0,3,3: 35:[53, 80] Operation: 48+32=80 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 35:[32, 5], Operations: ['59-6=53', '53-48=5'] Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,35 unequal: No Solution Exploring Operation: 32*5=160, Resulting Numbers: [160] 160,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 35:[53, 16], Operations: ['59-6=53', '48-32=16'] Exploring Operation: 53-16=37, Resulting Numbers: [37] 37,35 unequal: No Solution Exploring Operation: 53+16=69, Resulting Numbers: [69] 69,35 unequal: No Solution Exploring Operation: 53*16=848, Resulting Numbers: [848] 848,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 35:[48, 21], Operations: ['59-6=53', '53-32=21'] Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,35 unequal: No Solution Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 35:[53, 80], Operations: ['59-6=53', '48+32=80'] Exploring Operation: 53+80=133, Resulting Numbers: [133] 133,35 unequal: No Solution Exploring Operation: 53*80=4240, Resulting Numbers: [4240] 4240,35 unequal: No Solution Exploring Operation: 80-53=27, Resulting Numbers: [27] 27,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 35:[27, 8], Operations: ['59-32=27', '48/6=8'] Exploring Operation: 27-8=19, Resulting Numbers: [19] 19,35 unequal: No Solution Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[6, 59, 48, 32], Operations: [] Exploring Operation: 59-32=27, Resulting Numbers: [6, 48, 27] Generated Node #0,2: 35:[6, 48, 27] Operation: 59-32=27 Moving to Node #0,2 Current State: 35:[6, 48, 27], Operations: ['59-32=27'] Exploring Operation: 48/6=8, Resulting Numbers: [27, 8] Generated Node #0,2,3: 35:[27, 8] Operation: 48/6=8 Moving to Node #0,2,3 Current State: 35:[27, 8], Operations: ['59-32=27', '48/6=8'] Exploring Operation: 27+8=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
0.956597
hs_4
mult_heuristic
[ 16, 6, 95, 83 ]
96
[ "95-6=89", "89-83=6", "16*6=96" ]
Current State: 96:[16, 6, 95, 83], Operations: [] Exploring Operation: 95-6=89, Resulting Numbers: [16, 83, 89] Generated Node #2: [16, 83, 89] from Operation: 95-6=89 Current State: 96:[16, 83, 89], Operations: ['95-6=89'] Exploring Operation: 89-83=6, Resulting Numbers: [16, 6] Generated Node #3: [16, 6] from Operation: 89-83=6 Current State: 96:[16, 6], Operations: ['95-6=89', '89-83=6'] Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[16, 6, 95, 83], Operations: [] Exploring Operation: 6+83=89, Resulting Numbers: [16, 95, 89] Generated Node #0,0: 96:[16, 95, 89] Operation: 6+83=89 Exploring Operation: 16*6=96, Resulting Numbers: [95, 83, 96] Generated Node #0,1: 96:[95, 83, 96] Operation: 16*6=96 Exploring Operation: 95-83=12, Resulting Numbers: [16, 6, 12] Generated Node #0,2: 96:[16, 6, 12] Operation: 95-83=12 Exploring Operation: 16+83=99, Resulting Numbers: [6, 95, 99] Generated Node #0,3: 96:[6, 95, 99] Operation: 16+83=99 Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[16, 6, 12], Operations: ['95-83=12'] Exploring Operation: 12/6=2, Resulting Numbers: [16, 2] Generated Node #0,2,0: 96:[16, 2] Operation: 12/6=2 Exploring Operation: 16*6=96, Resulting Numbers: [12, 96] Generated Node #0,2,1: 96:[12, 96] Operation: 16*6=96 Exploring Operation: 12-6=6, Resulting Numbers: [16, 6] Generated Node #0,2,2: 96:[16, 6] Operation: 12-6=6 Exploring Operation: 16-12=4, Resulting Numbers: [6, 4] Generated Node #0,2,3: 96:[6, 4] Operation: 16-12=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 96:[16, 2], Operations: ['95-83=12', '12/6=2'] Exploring Operation: 16+2=18, Resulting Numbers: [18] 18,96 unequal: No Solution Exploring Operation: 16*2=32, Resulting Numbers: [32] 32,96 unequal: No Solution Exploring Operation: 16-2=14, Resulting Numbers: [14] 14,96 unequal: No Solution Exploring Operation: 16/2=8, Resulting Numbers: [8] 8,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 96:[12, 96], Operations: ['95-83=12', '16*6=96'] Exploring Operation: 96/12=8, Resulting Numbers: [8] 8,96 unequal: No Solution Exploring Operation: 96-12=84, Resulting Numbers: [84] 84,96 unequal: No Solution Exploring Operation: 12+96=108, Resulting Numbers: [108] 108,96 unequal: No Solution Exploring Operation: 12*96=1152, Resulting Numbers: [1152] 1152,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 96:[16, 6], Operations: ['95-83=12', '12-6=6'] Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Moving to Node #0 Current State: 96:[16, 6, 95, 83], Operations: [] Exploring Operation: 95-83=12, Resulting Numbers: [16, 6, 12] Generated Node #0,2: 96:[16, 6, 12] Operation: 95-83=12 Moving to Node #0,2 Current State: 96:[16, 6, 12], Operations: ['95-83=12'] Exploring Operation: 12-6=6, Resulting Numbers: [16, 6] Generated Node #0,2,2: 96:[16, 6] Operation: 12-6=6 Moving to Node #0,2,2 Current State: 96:[16, 6], Operations: ['95-83=12', '12-6=6'] Exploring Operation: 16*6=96, Resulting Numbers: [96] 96,96 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_4
sum_heuristic
[ 54, 83, 62, 31 ]
58
[ "83-54=29", "62/31=2", "29*2=58" ]
Current State: 58:[54, 83, 62, 31], Operations: [] Exploring Operation: 83-54=29, Resulting Numbers: [62, 31, 29] Generated Node #2: [62, 31, 29] from Operation: 83-54=29 Current State: 58:[62, 31, 29], Operations: ['83-54=29'] Exploring Operation: 62/31=2, Resulting Numbers: [29, 2] Generated Node #3: [29, 2] from Operation: 62/31=2 Current State: 58:[29, 2], Operations: ['83-54=29', '62/31=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[54, 83, 62, 31], Operations: [] Exploring Operation: 83-54=29, Resulting Numbers: [62, 31, 29] Generated Node #0,0: 58:[62, 31, 29] Operation: 83-54=29 Exploring Operation: 83-62=21, Resulting Numbers: [54, 31, 21] Generated Node #0,1: 58:[54, 31, 21] Operation: 83-62=21 Moving to Node #0,0 Current State: 58:[62, 31, 29], Operations: ['83-54=29'] Exploring Operation: 62/31=2, Resulting Numbers: [29, 2] Generated Node #0,0,0: 58:[29, 2] Operation: 62/31=2 Exploring Operation: 62-31=31, Resulting Numbers: [29, 31] Generated Node #0,0,1: 58:[29, 31] Operation: 62-31=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 58:[29, 2], Operations: ['83-54=29', '62/31=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[54, 83, 62, 31], Operations: [] Exploring Operation: 83-54=29, Resulting Numbers: [62, 31, 29] Generated Node #0,0: 58:[62, 31, 29] Operation: 83-54=29 Moving to Node #0,0 Current State: 58:[62, 31, 29], Operations: ['83-54=29'] Exploring Operation: 62/31=2, Resulting Numbers: [29, 2] Generated Node #0,0,0: 58:[29, 2] Operation: 62/31=2 Moving to Node #0,0,0 Current State: 58:[29, 2], Operations: ['83-54=29', '62/31=2'] Exploring Operation: 29*2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 4, 99, 67, 5 ]
59
[ "67*5=335", "335-99=236", "236/4=59" ]
Current State: 59:[4, 99, 67, 5], Operations: [] Exploring Operation: 67*5=335, Resulting Numbers: [4, 99, 335] Generated Node #2: [4, 99, 335] from Operation: 67*5=335 Current State: 59:[4, 99, 335], Operations: ['67*5=335'] Exploring Operation: 335-99=236, Resulting Numbers: [4, 236] Generated Node #3: [4, 236] from Operation: 335-99=236 Current State: 59:[4, 236], Operations: ['67*5=335', '335-99=236'] Exploring Operation: 236/4=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[4, 99, 67, 5], Operations: [] Exploring Operation: 67-4=63, Resulting Numbers: [99, 5, 63] Generated Node #0,0: 59:[99, 5, 63] Operation: 67-4=63 Exploring Operation: 99-4=95, Resulting Numbers: [67, 5, 95] Generated Node #0,1: 59:[67, 5, 95] Operation: 99-4=95 Exploring Operation: 4*5=20, Resulting Numbers: [99, 67, 20] Generated Node #0,2: 59:[99, 67, 20] Operation: 4*5=20 Exploring Operation: 99-5=94, Resulting Numbers: [4, 67, 94] Generated Node #0,3: 59:[4, 67, 94] Operation: 99-5=94 Exploring Operation: 4+5=9, Resulting Numbers: [99, 67, 9] Generated Node #0,4: 59:[99, 67, 9] Operation: 4+5=9 Start Sub Search at level 1: Moving to Node #0,2 Current State: 59:[99, 67, 20], Operations: ['4*5=20'] Exploring Operation: 99-20=79, Resulting Numbers: [67, 79] Generated Node #0,2,0: 59:[67, 79] Operation: 99-20=79 Exploring Operation: 99-67=32, Resulting Numbers: [20, 32] Generated Node #0,2,1: 59:[20, 32] Operation: 99-67=32 Exploring Operation: 67-20=47, Resulting Numbers: [99, 47] Generated Node #0,2,2: 59:[99, 47] Operation: 67-20=47 Exploring Operation: 99+20=119, Resulting Numbers: [67, 119] Generated Node #0,2,3: 59:[67, 119] Operation: 99+20=119 Exploring Operation: 67+20=87, Resulting Numbers: [99, 87] Generated Node #0,2,4: 59:[99, 87] Operation: 67+20=87 Moving to Node #0,2,0 Current State: 59:[67, 79], Operations: ['4*5=20', '99-20=79'] Exploring Operation: 67+79=146, Resulting Numbers: [146] 146,59 unequal: No Solution Exploring Operation: 79-67=12, Resulting Numbers: [12] 12,59 unequal: No Solution Exploring Operation: 67*79=5293, Resulting Numbers: [5293] 5293,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[99, 47], Operations: ['4*5=20', '67-20=47'] Exploring Operation: 99-47=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 99+47=146, Resulting Numbers: [146] 146,59 unequal: No Solution Exploring Operation: 99*47=4653, Resulting Numbers: [4653] 4653,59 unequal: No Solution Moving to Node #0,2,1 Current State: 59:[20, 32], Operations: ['4*5=20', '99-67=32'] Exploring Operation: 20+32=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 32-20=12, Resulting Numbers: [12] 12,59 unequal: No Solution Exploring Operation: 20*32=640, Resulting Numbers: [640] 640,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[67, 119], Operations: ['4*5=20', '99+20=119'] Exploring Operation: 67+119=186, Resulting Numbers: [186] 186,59 unequal: No Solution Exploring Operation: 119-67=52, Resulting Numbers: [52] 52,59 unequal: No Solution Exploring Operation: 67*119=7973, Resulting Numbers: [7973] 7973,59 unequal: No Solution Moving to Node #0,2,4 Current State: 59:[99, 87], Operations: ['4*5=20', '67+20=87'] Exploring Operation: 99+87=186, Resulting Numbers: [186] 186,59 unequal: No Solution Exploring Operation: 99*87=8613, Resulting Numbers: [8613] 8613,59 unequal: No Solution Exploring Operation: 99-87=12, Resulting Numbers: [12] 12,59 unequal: No Solution No 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: 59:[99, 5, 63], Operations: ['67-4=63'] Exploring Operation: 99-63=36, Resulting Numbers: [5, 36] Generated Node #0,0,0: 59:[5, 36] Operation: 99-63=36 Exploring Operation: 63-5=58, Resulting Numbers: [99, 58] Generated Node #0,0,1: 59:[99, 58] Operation: 63-5=58 Exploring Operation: 99-5=94, Resulting Numbers: [63, 94] Generated Node #0,0,2: 59:[63, 94] Operation: 99-5=94 Exploring Operation: 99+5=104, Resulting Numbers: [63, 104] Generated Node #0,0,3: 59:[63, 104] Operation: 99+5=104 Exploring Operation: 5+63=68, Resulting Numbers: [99, 68] Generated Node #0,0,4: 59:[99, 68] Operation: 5+63=68 Moving to Node #0,0,2 Current State: 59:[63, 94], Operations: ['67-4=63', '99-5=94'] Exploring Operation: 63*94=5922, Resulting Numbers: [5922] 5922,59 unequal: No Solution Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 63+94=157, Resulting Numbers: [157] 157,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[99, 58], Operations: ['67-4=63', '63-5=58'] Exploring Operation: 99*58=5742, Resulting Numbers: [5742] 5742,59 unequal: No Solution Exploring Operation: 99+58=157, Resulting Numbers: [157] 157,59 unequal: No Solution Exploring Operation: 99-58=41, Resulting Numbers: [41] 41,59 unequal: No Solution Moving to Node #0,0,3 Current State: 59:[63, 104], Operations: ['67-4=63', '99+5=104'] Exploring Operation: 63*104=6552, Resulting Numbers: [6552] 6552,59 unequal: No Solution Exploring Operation: 104-63=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 63+104=167, Resulting Numbers: [167] 167,59 unequal: No Solution Moving to Node #0,0,4 Current State: 59:[99, 68], Operations: ['67-4=63', '5+63=68'] Exploring Operation: 99+68=167, Resulting Numbers: [167] 167,59 unequal: No Solution Exploring Operation: 99-68=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 99*68=6732, Resulting Numbers: [6732] 6732,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[5, 36], Operations: ['67-4=63', '99-63=36'] Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,59 unequal: No Solution Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,59 unequal: No Solution No 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:[67, 5, 95], Operations: ['99-4=95'] Exploring Operation: 67+5=72, Resulting Numbers: [95, 72] Generated Node #0,1,0: 59:[95, 72] Operation: 67+5=72 Exploring Operation: 5+95=100, Resulting Numbers: [67, 100] Generated Node #0,1,1: 59:[67, 100] Operation: 5+95=100 Exploring Operation: 67-5=62, Resulting Numbers: [95, 62] Generated Node #0,1,2: 59:[95, 62] Operation: 67-5=62 Exploring Operation: 95-5=90, Resulting Numbers: [67, 90] Generated Node #0,1,3: 59:[67, 90] Operation: 95-5=90 Exploring Operation: 95/5=19, Resulting Numbers: [67, 19] Generated Node #0,1,4: 59:[67, 19] Operation: 95/5=19 Moving to Node #0,1,2 Current State: 59:[95, 62], Operations: ['99-4=95', '67-5=62'] Exploring Operation: 95-62=33, Resulting Numbers: [33] 33,59 unequal: No Solution Exploring Operation: 95*62=5890, Resulting Numbers: [5890] 5890,59 unequal: No Solution Exploring Operation: 95+62=157, Resulting Numbers: [157] 157,59 unequal: No Solution Moving to Node #0,1,3 Current State: 59:[67, 90], Operations: ['99-4=95', '95-5=90'] Exploring Operation: 67+90=157, Resulting Numbers: [157] 157,59 unequal: No Solution Exploring Operation: 67*90=6030, Resulting Numbers: [6030] 6030,59 unequal: No Solution Exploring Operation: 90-67=23, Resulting Numbers: [23] 23,59 unequal: No Solution Moving to Node #0,1,4 Current State: 59:[67, 19], Operations: ['99-4=95', '95/5=19'] Exploring Operation: 67*19=1273, Resulting Numbers: [1273] 1273,59 unequal: No Solution Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,59 unequal: No Solution Exploring Operation: 67+19=86, Resulting Numbers: [86] 86,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[95, 72], Operations: ['99-4=95', '67+5=72'] Exploring Operation: 95-72=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 95*72=6840, Resulting Numbers: [6840] 6840,59 unequal: No Solution Exploring Operation: 95+72=167, Resulting Numbers: [167] 167,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[67, 100], Operations: ['99-4=95', '5+95=100'] Exploring Operation: 67+100=167, Resulting Numbers: [167] 167,59 unequal: No Solution Exploring Operation: 100-67=33, Resulting Numbers: [33] 33,59 unequal: No Solution Exploring Operation: 67*100=6700, Resulting Numbers: [6700] 6700,59 unequal: No Solution No 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: 59:[4, 67, 94], Operations: ['99-5=94'] Exploring Operation: 94-4=90, Resulting Numbers: [67, 90] Generated Node #0,3,0: 59:[67, 90] Operation: 94-4=90 Exploring Operation: 4+67=71, Resulting Numbers: [94, 71] Generated Node #0,3,1: 59:[94, 71] Operation: 4+67=71 Exploring Operation: 4+94=98, Resulting Numbers: [67, 98] Generated Node #0,3,2: 59:[67, 98] Operation: 4+94=98 Exploring Operation: 94-67=27, Resulting Numbers: [4, 27] Generated Node #0,3,3: 59:[4, 27] Operation: 94-67=27 Exploring Operation: 67-4=63, Resulting Numbers: [94, 63] Generated Node #0,3,4: 59:[94, 63] Operation: 67-4=63 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 59:[67, 90], Operations: ['99-5=94', '94-4=90'] Exploring Operation: 67+90=157, Resulting Numbers: [157] 157,59 unequal: No Solution Exploring Operation: 90-67=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 67*90=6030, Resulting Numbers: [6030] 6030,59 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 #0,3,4 Current State: 59:[94, 63], Operations: ['99-5=94', '67-4=63'] Exploring Operation: 94+63=157, Resulting Numbers: [157] 157,59 unequal: No Solution Exploring Operation: 94-63=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 94*63=5922, Resulting Numbers: [5922] 5922,59 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 #0,3,1 Current State: 59:[94, 71], Operations: ['99-5=94', '4+67=71'] Exploring Operation: 94-71=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 94*71=6674, Resulting Numbers: [6674] 6674,59 unequal: No Solution Exploring Operation: 94+71=165, Resulting Numbers: [165] 165,59 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 #0,3,2 Current State: 59:[67, 98], Operations: ['99-5=94', '4+94=98'] Exploring Operation: 67+98=165, Resulting Numbers: [165] 165,59 unequal: No Solution Exploring Operation: 67*98=6566, Resulting Numbers: [6566] 6566,59 unequal: No Solution Exploring Operation: 98-67=31, Resulting Numbers: [31] 31,59 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 #0,3,3 Current State: 59:[4, 27], Operations: ['99-5=94', '94-67=27'] Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,59 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 4*27=108, Resulting Numbers: [108] 108,59 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 #0,4 Current State: 59:[99, 67, 9], Operations: ['4+5=9'] Exploring Operation: 67-9=58, Resulting Numbers: [99, 58] Generated Node #0,4,0: 59:[99, 58] Operation: 67-9=58 Exploring Operation: 99-9=90, Resulting Numbers: [67, 90] Generated Node #0,4,1: 59:[67, 90] Operation: 99-9=90 Exploring Operation: 99+9=108, Resulting Numbers: [67, 108] Generated Node #0,4,2: 59:[67, 108] Operation: 99+9=108 Exploring Operation: 99/9=11, Resulting Numbers: [67, 11] Generated Node #0,4,3: 59:[67, 11] Operation: 99/9=11 Exploring Operation: 67+9=76, Resulting Numbers: [99, 76] Generated Node #0,4,4: 59:[99, 76] Operation: 67+9=76 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 59:[67, 90], Operations: ['4+5=9', '99-9=90'] Exploring Operation: 67+90=157, Resulting Numbers: [157] 157,59 unequal: No Solution Exploring Operation: 67*90=6030, Resulting Numbers: [6030] 6030,59 unequal: No Solution Exploring Operation: 90-67=23, Resulting Numbers: [23] 23,59 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 #0,4,0 Current State: 59:[99, 58], Operations: ['4+5=9', '67-9=58'] Exploring Operation: 99*58=5742, Resulting Numbers: [5742] 5742,59 unequal: No Solution Exploring Operation: 99-58=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 99+58=157, Resulting Numbers: [157] 157,59 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 #0,4,3 Current State: 59:[67, 11], Operations: ['4+5=9', '99/9=11'] Exploring Operation: 67*11=737, Resulting Numbers: [737] 737,59 unequal: No Solution Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,59 unequal: No Solution Exploring Operation: 67+11=78, Resulting Numbers: [78] 78,59 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 #0,4,2 Current State: 59:[67, 108], Operations: ['4+5=9', '99+9=108'] Exploring Operation: 67*108=7236, Resulting Numbers: [7236] 7236,59 unequal: No Solution Exploring Operation: 108-67=41, Resulting Numbers: [41] 41,59 unequal: No Solution Exploring Operation: 67+108=175, Resulting Numbers: [175] 175,59 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 #0,4,4 Current State: 59:[99, 76], Operations: ['4+5=9', '67+9=76'] Exploring Operation: 99-76=23, Resulting Numbers: [23] 23,59 unequal: No Solution Exploring Operation: 99*76=7524, Resulting Numbers: [7524] 7524,59 unequal: No Solution Exploring Operation: 99+76=175, Resulting Numbers: [175] 175,59 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_5
sum_heuristic
[ 13, 16, 86, 92 ]
35
[ "13+16=29", "92-86=6", "29+6=35" ]
Current State: 35:[13, 16, 86, 92], Operations: [] Exploring Operation: 13+16=29, Resulting Numbers: [86, 92, 29] Generated Node #2: [86, 92, 29] from Operation: 13+16=29 Current State: 35:[86, 92, 29], Operations: ['13+16=29'] Exploring Operation: 92-86=6, Resulting Numbers: [29, 6] Generated Node #3: [29, 6] from Operation: 92-86=6 Current State: 35:[29, 6], Operations: ['13+16=29', '92-86=6'] Exploring Operation: 29+6=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[13, 16, 86, 92], Operations: [] Exploring Operation: 92-86=6, Resulting Numbers: [13, 16, 6] Generated Node #0,0: 35:[13, 16, 6] Operation: 92-86=6 Exploring Operation: 86-16=70, Resulting Numbers: [13, 92, 70] Generated Node #0,1: 35:[13, 92, 70] Operation: 86-16=70 Exploring Operation: 92-16=76, Resulting Numbers: [13, 86, 76] Generated Node #0,2: 35:[13, 86, 76] Operation: 92-16=76 Moving to Node #0,0 Current State: 35:[13, 16, 6], Operations: ['92-86=6'] Exploring Operation: 13+16=29, Resulting Numbers: [6, 29] Generated Node #0,0,0: 35:[6, 29] Operation: 13+16=29 Exploring Operation: 16-13=3, Resulting Numbers: [6, 3] Generated Node #0,0,1: 35:[6, 3] Operation: 16-13=3 Exploring Operation: 13-6=7, Resulting Numbers: [16, 7] Generated Node #0,0,2: 35:[16, 7] Operation: 13-6=7 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[6, 3], Operations: ['92-86=6', '16-13=3'] Exploring Operation: 6+3=9, Resulting Numbers: [9] 9,35 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 35:[6, 29], Operations: ['92-86=6', '13+16=29'] Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,35 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,35 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[13, 16, 86, 92], Operations: [] Exploring Operation: 92-86=6, Resulting Numbers: [13, 16, 6] Generated Node #0,0: 35:[13, 16, 6] Operation: 92-86=6 Moving to Node #0,0 Current State: 35:[13, 16, 6], Operations: ['92-86=6'] Exploring Operation: 13+16=29, Resulting Numbers: [6, 29] Generated Node #0,0,0: 35:[6, 29] Operation: 13+16=29 Moving to Node #0,0,0 Current State: 35:[6, 29], Operations: ['92-86=6', '13+16=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_3
sum_heuristic
[ 69, 1, 66, 77 ]
59
[ "69+1=70", "77-66=11", "70-11=59" ]
Current State: 59:[69, 1, 66, 77], Operations: [] Exploring Operation: 69+1=70, Resulting Numbers: [66, 77, 70] Generated Node #2: [66, 77, 70] from Operation: 69+1=70 Current State: 59:[66, 77, 70], Operations: ['69+1=70'] Exploring Operation: 77-66=11, Resulting Numbers: [70, 11] Generated Node #3: [70, 11] from Operation: 77-66=11 Current State: 59:[70, 11], Operations: ['69+1=70', '77-66=11'] Exploring Operation: 70-11=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[69, 1, 66, 77], Operations: [] Exploring Operation: 69-1=68, Resulting Numbers: [66, 77, 68] Generated Node #0,0: 59:[66, 77, 68] Operation: 69-1=68 Exploring Operation: 69/1=69, Resulting Numbers: [66, 77, 69] Generated Node #0,1: 59:[66, 77, 69] Operation: 69/1=69 Exploring Operation: 77-1=76, Resulting Numbers: [69, 66, 76] Generated Node #0,2: 59:[69, 66, 76] Operation: 77-1=76 Exploring Operation: 66-1=65, Resulting Numbers: [69, 77, 65] Generated Node #0,3: 59:[69, 77, 65] Operation: 66-1=65 Exploring Operation: 69*1=69, Resulting Numbers: [66, 77, 69] Generated Node #0,4: 59:[66, 77, 69] Operation: 69*1=69 Moving to Node #0,0 Current State: 59:[66, 77, 68], Operations: ['69-1=68'] Exploring Operation: 68-66=2, Resulting Numbers: [77, 2] Generated Node #0,0,0: 59:[77, 2] Operation: 68-66=2 Exploring Operation: 77-66=11, Resulting Numbers: [68, 11] Generated Node #0,0,1: 59:[68, 11] Operation: 77-66=11 Exploring Operation: 66+68=134, Resulting Numbers: [77, 134] Generated Node #0,0,2: 59:[77, 134] Operation: 66+68=134 Exploring Operation: 77-68=9, Resulting Numbers: [66, 9] Generated Node #0,0,3: 59:[66, 9] Operation: 77-68=9 Exploring Operation: 66+77=143, Resulting Numbers: [68, 143] Generated Node #0,0,4: 59:[68, 143] Operation: 66+77=143 Moving to Node #0,3 Current State: 59:[69, 77, 65], Operations: ['66-1=65'] Exploring Operation: 77-69=8, Resulting Numbers: [65, 8] Generated Node #0,3,0: 59:[65, 8] Operation: 77-69=8 Exploring Operation: 69+65=134, Resulting Numbers: [77, 134] Generated Node #0,3,1: 59:[77, 134] Operation: 69+65=134 Exploring Operation: 69-65=4, Resulting Numbers: [77, 4] Generated Node #0,3,2: 59:[77, 4] Operation: 69-65=4 Exploring Operation: 77-65=12, Resulting Numbers: [69, 12] Generated Node #0,3,3: 59:[69, 12] Operation: 77-65=12 Exploring Operation: 69+77=146, Resulting Numbers: [65, 146] Generated Node #0,3,4: 59:[65, 146] Operation: 69+77=146 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 59:[65, 8], Operations: ['66-1=65', '77-69=8'] Exploring Operation: 65-8=57, Resulting Numbers: [57] 57,59 unequal: No Solution Exploring Operation: 65+8=73, Resulting Numbers: [73] 73,59 unequal: No Solution Exploring Operation: 65*8=520, Resulting Numbers: [520] 520,59 unequal: No Solution No 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: 59:[69, 12], Operations: ['66-1=65', '77-65=12'] Exploring Operation: 69+12=81, Resulting Numbers: [81] 81,59 unequal: No Solution Exploring Operation: 69-12=57, Resulting Numbers: [57] 57,59 unequal: No Solution Exploring Operation: 69*12=828, Resulting Numbers: [828] 828,59 unequal: No Solution No 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: 59:[77, 4], Operations: ['66-1=65', '69-65=4'] Exploring Operation: 77-4=73, Resulting Numbers: [73] 73,59 unequal: No Solution Exploring Operation: 77*4=308, Resulting Numbers: [308] 308,59 unequal: No Solution Exploring Operation: 77+4=81, Resulting Numbers: [81] 81,59 unequal: No Solution No 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: 59:[77, 134], Operations: ['66-1=65', '69+65=134'] Exploring Operation: 134-77=57, Resulting Numbers: [57] 57,59 unequal: No Solution Exploring Operation: 77*134=10318, Resulting Numbers: [10318] 10318,59 unequal: No Solution Exploring Operation: 77+134=211, Resulting Numbers: [211] 211,59 unequal: No Solution No 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: 59:[65, 146], Operations: ['66-1=65', '69+77=146'] Exploring Operation: 65*146=9490, Resulting Numbers: [9490] 9490,59 unequal: No Solution Exploring Operation: 65+146=211, Resulting Numbers: [211] 211,59 unequal: No Solution Exploring Operation: 146-65=81, Resulting Numbers: [81] 81,59 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: 59:[69, 66, 76], Operations: ['77-1=76'] Exploring Operation: 69+66=135, Resulting Numbers: [76, 135] Generated Node #0,2,0: 59:[76, 135] Operation: 69+66=135 Exploring Operation: 69+76=145, Resulting Numbers: [66, 145] Generated Node #0,2,1: 59:[66, 145] Operation: 69+76=145 Exploring Operation: 69-66=3, Resulting Numbers: [76, 3] Generated Node #0,2,2: 59:[76, 3] Operation: 69-66=3 Exploring Operation: 76-69=7, Resulting Numbers: [66, 7] Generated Node #0,2,3: 59:[66, 7] Operation: 76-69=7 Exploring Operation: 76-66=10, Resulting Numbers: [69, 10] Generated Node #0,2,4: 59:[69, 10] Operation: 76-66=10 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 59:[66, 7], Operations: ['77-1=76', '76-69=7'] Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,59 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[69, 1, 66, 77], Operations: [] Exploring Operation: 77-1=76, Resulting Numbers: [69, 66, 76] Generated Node #0,2: 59:[69, 66, 76] Operation: 77-1=76 Moving to Node #0,2 Current State: 59:[69, 66, 76], Operations: ['77-1=76'] Exploring Operation: 76-69=7, Resulting Numbers: [66, 7] Generated Node #0,2,3: 59:[66, 7] Operation: 76-69=7 Moving to Node #0,2,3 Current State: 59:[66, 7], Operations: ['77-1=76', '76-69=7'] Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.96441
hs_5
sum_heuristic
[ 81, 39, 24, 21 ]
66
[ "24-21=3", "81/3=27", "39+27=66" ]
Current State: 66:[81, 39, 24, 21], Operations: [] Exploring Operation: 24-21=3, Resulting Numbers: [81, 39, 3] Generated Node #2: [81, 39, 3] from Operation: 24-21=3 Current State: 66:[81, 39, 3], Operations: ['24-21=3'] Exploring Operation: 81/3=27, Resulting Numbers: [39, 27] Generated Node #3: [39, 27] from Operation: 81/3=27 Current State: 66:[39, 27], Operations: ['24-21=3', '81/3=27'] Exploring Operation: 39+27=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[81, 39, 24, 21], Operations: [] Exploring Operation: 81-39=42, Resulting Numbers: [24, 21, 42] Generated Node #0,0: 66:[24, 21, 42] Operation: 81-39=42 Exploring Operation: 81-21=60, Resulting Numbers: [39, 24, 60] Generated Node #0,1: 66:[39, 24, 60] Operation: 81-21=60 Exploring Operation: 81-24=57, Resulting Numbers: [39, 21, 57] Generated Node #0,2: 66:[39, 21, 57] Operation: 81-24=57 Exploring Operation: 39+24=63, Resulting Numbers: [81, 21, 63] Generated Node #0,3: 66:[81, 21, 63] Operation: 39+24=63 Moving to Node #0,0 Current State: 66:[24, 21, 42], Operations: ['81-39=42'] Exploring Operation: 42-21=21, Resulting Numbers: [24, 21] Generated Node #0,0,0: 66:[24, 21] Operation: 42-21=21 Exploring Operation: 42-24=18, Resulting Numbers: [21, 18] Generated Node #0,0,1: 66:[21, 18] Operation: 42-24=18 Exploring Operation: 42/21=2, Resulting Numbers: [24, 2] Generated Node #0,0,2: 66:[24, 2] Operation: 42/21=2 Exploring Operation: 24+42=66, Resulting Numbers: [21, 66] Generated Node #0,0,3: 66:[21, 66] Operation: 24+42=66 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 66:[21, 66], Operations: ['81-39=42', '24+42=66'] Exploring Operation: 21+66=87, Resulting Numbers: [87] 87,66 unequal: No Solution Exploring Operation: 21*66=1386, Resulting Numbers: [1386] 1386,66 unequal: No Solution Exploring Operation: 66-21=45, Resulting Numbers: [45] 45,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 66:[24, 2], Operations: ['81-39=42', '42/21=2'] Exploring Operation: 24*2=48, Resulting Numbers: [48] 48,66 unequal: No Solution Exploring Operation: 24/2=12, Resulting Numbers: [12] 12,66 unequal: No Solution Exploring Operation: 24+2=26, Resulting Numbers: [26] 26,66 unequal: No Solution Exploring Operation: 24-2=22, Resulting Numbers: [22] 22,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 66:[24, 21], Operations: ['81-39=42', '42-21=21'] Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 24*21=504, Resulting Numbers: [504] 504,66 unequal: No Solution Exploring Operation: 24+21=45, Resulting Numbers: [45] 45,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 66:[21, 18], Operations: ['81-39=42', '42-24=18'] Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,66 unequal: No Solution Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,66 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,66 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: 66:[39, 24, 60], Operations: ['81-21=60'] Exploring Operation: 60-24=36, Resulting Numbers: [39, 36] Generated Node #0,1,0: 66:[39, 36] Operation: 60-24=36 Exploring Operation: 39-24=15, Resulting Numbers: [60, 15] Generated Node #0,1,1: 66:[60, 15] Operation: 39-24=15 Exploring Operation: 60-39=21, Resulting Numbers: [24, 21] Generated Node #0,1,2: 66:[24, 21] Operation: 60-39=21 Exploring Operation: 39+24=63, Resulting Numbers: [60, 63] Generated Node #0,1,3: 66:[60, 63] Operation: 39+24=63 Moving to Node #0,2 Current State: 66:[39, 21, 57], Operations: ['81-24=57'] Exploring Operation: 57-21=36, Resulting Numbers: [39, 36] Generated Node #0,2,0: 66:[39, 36] Operation: 57-21=36 Exploring Operation: 39+21=60, Resulting Numbers: [57, 60] Generated Node #0,2,1: 66:[57, 60] Operation: 39+21=60 Exploring Operation: 57-39=18, Resulting Numbers: [21, 18] Generated Node #0,2,2: 66:[21, 18] Operation: 57-39=18 Exploring Operation: 39-21=18, Resulting Numbers: [57, 18] Generated Node #0,2,3: 66:[57, 18] Operation: 39-21=18 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 66:[21, 18], Operations: ['81-24=57', '57-39=18'] Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,66 unequal: No Solution Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,66 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 66:[39, 36], Operations: ['81-24=57', '57-21=36'] Exploring Operation: 39*36=1404, Resulting Numbers: [1404] 1404,66 unequal: No Solution Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 39+36=75, Resulting Numbers: [75] 75,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 66:[57, 18], Operations: ['81-24=57', '39-21=18'] Exploring Operation: 57+18=75, Resulting Numbers: [75] 75,66 unequal: No Solution Exploring Operation: 57*18=1026, Resulting Numbers: [1026] 1026,66 unequal: No Solution Exploring Operation: 57-18=39, Resulting Numbers: [39] 39,66 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 66:[57, 60], Operations: ['81-24=57', '39+21=60'] Exploring Operation: 57+60=117, Resulting Numbers: [117] 117,66 unequal: No Solution Exploring Operation: 60-57=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 57*60=3420, Resulting Numbers: [3420] 3420,66 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: 66:[81, 21, 63], Operations: ['39+24=63'] Exploring Operation: 63/21=3, Resulting Numbers: [81, 3] Generated Node #0,3,0: 66:[81, 3] Operation: 63/21=3 Exploring Operation: 81-63=18, Resulting Numbers: [21, 18] Generated Node #0,3,1: 66:[21, 18] Operation: 81-63=18 Exploring Operation: 63-21=42, Resulting Numbers: [81, 42] Generated Node #0,3,2: 66:[81, 42] Operation: 63-21=42 Exploring Operation: 81-21=60, Resulting Numbers: [63, 60] Generated Node #0,3,3: 66:[63, 60] Operation: 81-21=60 Moving to Node #0,1,2 Current State: 66:[24, 21], Operations: ['81-21=60', '60-39=21'] Exploring Operation: 24+21=45, Resulting Numbers: [45] 45,66 unequal: No Solution Exploring Operation: 24-21=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 24*21=504, Resulting Numbers: [504] 504,66 unequal: No Solution Moving to Node #0,3,1 Current State: 66:[21, 18], Operations: ['39+24=63', '81-63=18'] Exploring Operation: 21*18=378, Resulting Numbers: [378] 378,66 unequal: No Solution Exploring Operation: 21-18=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 21+18=39, Resulting Numbers: [39] 39,66 unequal: No Solution Moving to Node #0,1,3 Current State: 66:[60, 63], Operations: ['81-21=60', '39+24=63'] Exploring Operation: 60*63=3780, Resulting Numbers: [3780] 3780,66 unequal: No Solution Exploring Operation: 63-60=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 60+63=123, Resulting Numbers: [123] 123,66 unequal: No Solution Moving to Node #0,3,3 Current State: 66:[63, 60], Operations: ['39+24=63', '81-21=60'] Exploring Operation: 63*60=3780, Resulting Numbers: [3780] 3780,66 unequal: No Solution Exploring Operation: 63+60=123, Resulting Numbers: [123] 123,66 unequal: No Solution Exploring Operation: 63-60=3, Resulting Numbers: [3] 3,66 unequal: No Solution Moving to Node #0,1,0 Current State: 66:[39, 36], Operations: ['81-21=60', '60-24=36'] Exploring Operation: 39-36=3, Resulting Numbers: [3] 3,66 unequal: No Solution Exploring Operation: 39+36=75, Resulting Numbers: [75] 75,66 unequal: No Solution Exploring Operation: 39*36=1404, Resulting Numbers: [1404] 1404,66 unequal: No Solution Moving to Node #0,1,1 Current State: 66:[60, 15], Operations: ['81-21=60', '39-24=15'] Exploring Operation: 60/15=4, Resulting Numbers: [4] 4,66 unequal: No Solution Exploring Operation: 60+15=75, Resulting Numbers: [75] 75,66 unequal: No Solution Exploring Operation: 60*15=900, Resulting Numbers: [900] 900,66 unequal: No Solution Exploring Operation: 60-15=45, Resulting Numbers: [45] 45,66 unequal: No Solution Moving to Node #0,3,0 Current State: 66:[81, 3], Operations: ['39+24=63', '63/21=3'] Exploring Operation: 81-3=78, Resulting Numbers: [78] 78,66 unequal: No Solution Exploring Operation: 81*3=243, Resulting Numbers: [243] 243,66 unequal: No Solution Exploring Operation: 81/3=27, Resulting Numbers: [27] 27,66 unequal: No Solution Exploring Operation: 81+3=84, Resulting Numbers: [84] 84,66 unequal: No Solution Moving to Node #0,3,2 Current State: 66:[81, 42], Operations: ['39+24=63', '63-21=42'] Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,66 unequal: No Solution Exploring Operation: 81+42=123, Resulting Numbers: [123] 123,66 unequal: No Solution Exploring Operation: 81*42=3402, Resulting Numbers: [3402] 3402,66 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 72, 5, 52, 63 ]
25
[ "72+63=135", "135/5=27", "52-27=25" ]
Current State: 25:[72, 5, 52, 63], Operations: [] Exploring Operation: 72+63=135, Resulting Numbers: [5, 52, 135] Generated Node #2: [5, 52, 135] from Operation: 72+63=135 Current State: 25:[5, 52, 135], Operations: ['72+63=135'] Exploring Operation: 135/5=27, Resulting Numbers: [52, 27] Generated Node #3: [52, 27] from Operation: 135/5=27 Current State: 25:[52, 27], Operations: ['72+63=135', '135/5=27'] Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[72, 5, 52, 63], Operations: [] Exploring Operation: 72-52=20, Resulting Numbers: [5, 63, 20] Generated Node #0,0: 25:[5, 63, 20] Operation: 72-52=20 Exploring Operation: 72-63=9, Resulting Numbers: [5, 52, 9] Generated Node #0,1: 25:[5, 52, 9] Operation: 72-63=9 Exploring Operation: 63-52=11, Resulting Numbers: [72, 5, 11] Generated Node #0,2: 25:[72, 5, 11] Operation: 63-52=11 Moving to Node #0,1 Current State: 25:[5, 52, 9], Operations: ['72-63=9'] Exploring Operation: 9-5=4, Resulting Numbers: [52, 4] Generated Node #0,1,0: 25:[52, 4] Operation: 9-5=4 Exploring Operation: 52-5=47, Resulting Numbers: [9, 47] Generated Node #0,1,1: 25:[9, 47] Operation: 52-5=47 Exploring Operation: 52-9=43, Resulting Numbers: [5, 43] Generated Node #0,1,2: 25:[5, 43] Operation: 52-9=43 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 25:[5, 43], Operations: ['72-63=9', '52-9=43'] Exploring Operation: 5+43=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 5*43=215, Resulting Numbers: [215] 215,25 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 #0,1,1 Current State: 25:[9, 47], Operations: ['72-63=9', '52-5=47'] Exploring Operation: 9*47=423, Resulting Numbers: [423] 423,25 unequal: No Solution Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 9+47=56, Resulting Numbers: [56] 56,25 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 #0,1,0 Current State: 25:[52, 4], Operations: ['72-63=9', '9-5=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,25 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,25 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: 25:[5, 63, 20], Operations: ['72-52=20'] Exploring Operation: 63-20=43, Resulting Numbers: [5, 43] Generated Node #0,0,0: 25:[5, 43] Operation: 63-20=43 Exploring Operation: 63-5=58, Resulting Numbers: [20, 58] Generated Node #0,0,1: 25:[20, 58] Operation: 63-5=58 Exploring Operation: 5+20=25, Resulting Numbers: [63, 25] Generated Node #0,0,2: 25:[63, 25] Operation: 5+20=25 Moving to Node #0,2 Current State: 25:[72, 5, 11], Operations: ['63-52=11'] Exploring Operation: 72-11=61, Resulting Numbers: [5, 61] Generated Node #0,2,0: 25:[5, 61] Operation: 72-11=61 Exploring Operation: 11-5=6, Resulting Numbers: [72, 6] Generated Node #0,2,1: 25:[72, 6] Operation: 11-5=6 Exploring Operation: 72-5=67, Resulting Numbers: [11, 67] Generated Node #0,2,2: 25:[11, 67] Operation: 72-5=67 Moving to Node #0,0,0 Current State: 25:[5, 43], Operations: ['72-52=20', '63-20=43'] Exploring Operation: 5*43=215, Resulting Numbers: [215] 215,25 unequal: No Solution Exploring Operation: 5+43=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 43-5=38, Resulting Numbers: [38] 38,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[5, 61], Operations: ['63-52=11', '72-11=61'] Exploring Operation: 5+61=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 5*61=305, Resulting Numbers: [305] 305,25 unequal: No Solution Exploring Operation: 61-5=56, Resulting Numbers: [56] 56,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[63, 25], Operations: ['72-52=20', '5+20=25'] Exploring Operation: 63+25=88, Resulting Numbers: [88] 88,25 unequal: No Solution Exploring Operation: 63-25=38, Resulting Numbers: [38] 38,25 unequal: No Solution Exploring Operation: 63*25=1575, Resulting Numbers: [1575] 1575,25 unequal: No Solution Moving to Node #0,0,1 Current State: 25:[20, 58], Operations: ['72-52=20', '63-5=58'] Exploring Operation: 20+58=78, Resulting Numbers: [78] 78,25 unequal: No Solution Exploring Operation: 20*58=1160, Resulting Numbers: [1160] 1160,25 unequal: No Solution Exploring Operation: 58-20=38, Resulting Numbers: [38] 38,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[11, 67], Operations: ['63-52=11', '72-5=67'] Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,25 unequal: No Solution Exploring Operation: 11+67=78, Resulting Numbers: [78] 78,25 unequal: No Solution Exploring Operation: 11*67=737, Resulting Numbers: [737] 737,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[72, 6], Operations: ['63-52=11', '11-5=6'] Exploring Operation: 72/6=12, Resulting Numbers: [12] 12,25 unequal: No Solution Exploring Operation: 72-6=66, Resulting Numbers: [66] 66,25 unequal: No Solution Exploring Operation: 72+6=78, Resulting Numbers: [78] 78,25 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 76, 21, 42, 19 ]
74
[ "76+21=97", "42-19=23", "97-23=74" ]
Current State: 74:[76, 21, 42, 19], Operations: [] Exploring Operation: 76+21=97, Resulting Numbers: [42, 19, 97] Generated Node #2: [42, 19, 97] from Operation: 76+21=97 Current State: 74:[42, 19, 97], Operations: ['76+21=97'] Exploring Operation: 42-19=23, Resulting Numbers: [97, 23] Generated Node #3: [97, 23] from Operation: 42-19=23 Current State: 74:[97, 23], Operations: ['76+21=97', '42-19=23'] Exploring Operation: 97-23=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[76, 21, 42, 19], Operations: [] Exploring Operation: 21-19=2, Resulting Numbers: [76, 42, 2] Generated Node #0,0: 74:[76, 42, 2] Operation: 21-19=2 Exploring Operation: 21+19=40, Resulting Numbers: [76, 42, 40] Generated Node #0,1: 74:[76, 42, 40] Operation: 21+19=40 Exploring Operation: 42/21=2, Resulting Numbers: [76, 19, 2] Generated Node #0,2: 74:[76, 19, 2] Operation: 42/21=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[76, 42, 2], Operations: ['21-19=2'] Exploring Operation: 42-2=40, Resulting Numbers: [76, 40] Generated Node #0,0,0: 74:[76, 40] Operation: 42-2=40 Exploring Operation: 76-2=74, Resulting Numbers: [42, 74] Generated Node #0,0,1: 74:[42, 74] Operation: 76-2=74 Exploring Operation: 76-42=34, Resulting Numbers: [2, 34] Generated Node #0,0,2: 74:[2, 34] Operation: 76-42=34 Moving to Node #0,0,2 Current State: 74:[2, 34], Operations: ['21-19=2', '76-42=34'] Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 2*34=68, Resulting Numbers: [68] 68,74 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[76, 40], Operations: ['21-19=2', '42-2=40'] Exploring Operation: 76-40=36, Resulting Numbers: [36] 36,74 unequal: No Solution Exploring Operation: 76*40=3040, Resulting Numbers: [3040] 3040,74 unequal: No Solution Exploring Operation: 76+40=116, Resulting Numbers: [116] 116,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[42, 74], Operations: ['21-19=2', '76-2=74'] Exploring Operation: 42+74=116, Resulting Numbers: [116] 116,74 unequal: No Solution Exploring Operation: 42*74=3108, Resulting Numbers: [3108] 3108,74 unequal: No Solution Exploring Operation: 74-42=32, Resulting Numbers: [32] 32,74 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:[76, 42, 40], Operations: ['21+19=40'] Exploring Operation: 76-40=36, Resulting Numbers: [42, 36] Generated Node #0,1,0: 74:[42, 36] Operation: 76-40=36 Exploring Operation: 42-40=2, Resulting Numbers: [76, 2] Generated Node #0,1,1: 74:[76, 2] Operation: 42-40=2 Exploring Operation: 76-42=34, Resulting Numbers: [40, 34] Generated Node #0,1,2: 74:[40, 34] Operation: 76-42=34 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 74:[76, 2], Operations: ['21+19=40', '42-40=2'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,74 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Moving to Node #0 Current State: 74:[76, 21, 42, 19], Operations: [] Exploring Operation: 21+19=40, Resulting Numbers: [76, 42, 40] Generated Node #0,1: 74:[76, 42, 40] Operation: 21+19=40 Moving to Node #0,1 Current State: 74:[76, 42, 40], Operations: ['21+19=40'] Exploring Operation: 42-40=2, Resulting Numbers: [76, 2] Generated Node #0,1,1: 74:[76, 2] Operation: 42-40=2 Moving to Node #0,1,1 Current State: 74:[76, 2], Operations: ['21+19=40', '42-40=2'] Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,74 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_3
sum_heuristic
[ 4, 36, 16, 54 ]
28
[ "16*54=864", "864/36=24", "4+24=28" ]
Current State: 28:[4, 36, 16, 54], Operations: [] Exploring Operation: 16*54=864, Resulting Numbers: [4, 36, 864] Generated Node #2: [4, 36, 864] from Operation: 16*54=864 Current State: 28:[4, 36, 864], Operations: ['16*54=864'] Exploring Operation: 864/36=24, Resulting Numbers: [4, 24] Generated Node #3: [4, 24] from Operation: 864/36=24 Current State: 28:[4, 24], Operations: ['16*54=864', '864/36=24'] Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[4, 36, 16, 54], Operations: [] Exploring Operation: 54-36=18, Resulting Numbers: [4, 16, 18] Generated Node #0,0: 28:[4, 16, 18] Operation: 54-36=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 28:[4, 16, 18], Operations: ['54-36=18'] Exploring Operation: 18-16=2, Resulting Numbers: [4, 2] Generated Node #0,0,0: 28:[4, 2] Operation: 18-16=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 28:[4, 2], Operations: ['54-36=18', '18-16=2'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,28 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
[ 62, 99, 43, 33 ]
16
[ "62-43=19", "99/33=3", "19-3=16" ]
Current State: 16:[62, 99, 43, 33], Operations: [] Exploring Operation: 62-43=19, Resulting Numbers: [99, 33, 19] Generated Node #2: [99, 33, 19] from Operation: 62-43=19 Current State: 16:[99, 33, 19], Operations: ['62-43=19'] Exploring Operation: 99/33=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 99/33=3 Current State: 16:[19, 3], Operations: ['62-43=19', '99/33=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[62, 99, 43, 33], Operations: [] Exploring Operation: 99-62=37, Resulting Numbers: [43, 33, 37] Generated Node #0,0: 16:[43, 33, 37] Operation: 99-62=37 Moving to Node #0,0 Current State: 16:[43, 33, 37], Operations: ['99-62=37'] Exploring Operation: 43-37=6, Resulting Numbers: [33, 6] Generated Node #0,0,0: 16:[33, 6] Operation: 43-37=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[33, 6], Operations: ['99-62=37', '43-37=6'] Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 69, 88, 91, 85 ]
71
[ "91+85=176", "176/88=2", "69+2=71" ]
Current State: 71:[69, 88, 91, 85], Operations: [] Exploring Operation: 91+85=176, Resulting Numbers: [69, 88, 176] Generated Node #2: [69, 88, 176] from Operation: 91+85=176 Current State: 71:[69, 88, 176], Operations: ['91+85=176'] Exploring Operation: 176/88=2, Resulting Numbers: [69, 2] Generated Node #3: [69, 2] from Operation: 176/88=2 Current State: 71:[69, 2], Operations: ['91+85=176', '176/88=2'] Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[69, 88, 91, 85], Operations: [] Exploring Operation: 91-85=6, Resulting Numbers: [69, 88, 6] Generated Node #0,0: 71:[69, 88, 6] Operation: 91-85=6 Exploring Operation: 91-88=3, Resulting Numbers: [69, 85, 3] Generated Node #0,1: 71:[69, 85, 3] Operation: 91-88=3 Exploring Operation: 88-69=19, Resulting Numbers: [91, 85, 19] Generated Node #0,2: 71:[91, 85, 19] Operation: 88-69=19 Exploring Operation: 88-85=3, Resulting Numbers: [69, 91, 3] Generated Node #0,3: 71:[69, 91, 3] Operation: 88-85=3 Exploring Operation: 91-69=22, Resulting Numbers: [88, 85, 22] Generated Node #0,4: 71:[88, 85, 22] Operation: 91-69=22 Moving to Node #0,4 Current State: 71:[88, 85, 22], Operations: ['91-69=22'] Exploring Operation: 88/22=4, Resulting Numbers: [85, 4] Generated Node #0,4,0: 71:[85, 4] Operation: 88/22=4 Exploring Operation: 88+22=110, Resulting Numbers: [85, 110] Generated Node #0,4,1: 71:[85, 110] Operation: 88+22=110 Exploring Operation: 85+22=107, Resulting Numbers: [88, 107] Generated Node #0,4,2: 71:[88, 107] Operation: 85+22=107 Exploring Operation: 85-22=63, Resulting Numbers: [88, 63] Generated Node #0,4,3: 71:[88, 63] Operation: 85-22=63 Exploring Operation: 88-22=66, Resulting Numbers: [85, 66] Generated Node #0,4,4: 71:[85, 66] Operation: 88-22=66 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 71:[85, 66], Operations: ['91-69=22', '88-22=66'] Exploring Operation: 85+66=151, Resulting Numbers: [151] 151,71 unequal: No Solution Exploring Operation: 85*66=5610, Resulting Numbers: [5610] 5610,71 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 71:[88, 63], Operations: ['91-69=22', '85-22=63'] Exploring Operation: 88+63=151, Resulting Numbers: [151] 151,71 unequal: No Solution Exploring Operation: 88*63=5544, Resulting Numbers: [5544] 5544,71 unequal: No Solution Exploring Operation: 88-63=25, Resulting Numbers: [25] 25,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 71:[85, 110], Operations: ['91-69=22', '88+22=110'] Exploring Operation: 85+110=195, Resulting Numbers: [195] 195,71 unequal: No Solution Exploring Operation: 85*110=9350, Resulting Numbers: [9350] 9350,71 unequal: No Solution Exploring Operation: 110-85=25, Resulting Numbers: [25] 25,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 71:[88, 107], Operations: ['91-69=22', '85+22=107'] Exploring Operation: 107-88=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 88+107=195, Resulting Numbers: [195] 195,71 unequal: No Solution Exploring Operation: 88*107=9416, Resulting Numbers: [9416] 9416,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 71:[85, 4], Operations: ['91-69=22', '88/22=4'] Exploring Operation: 85+4=89, Resulting Numbers: [89] 89,71 unequal: No Solution Exploring Operation: 85*4=340, Resulting Numbers: [340] 340,71 unequal: No Solution Exploring Operation: 85-4=81, Resulting Numbers: [81] 81,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 71:[69, 85, 3], Operations: ['91-88=3'] Exploring Operation: 69/3=23, Resulting Numbers: [85, 23] Generated Node #0,1,0: 71:[85, 23] Operation: 69/3=23 Exploring Operation: 85+3=88, Resulting Numbers: [69, 88] Generated Node #0,1,1: 71:[69, 88] Operation: 85+3=88 Exploring Operation: 85-3=82, Resulting Numbers: [69, 82] Generated Node #0,1,2: 71:[69, 82] Operation: 85-3=82 Exploring Operation: 69+3=72, Resulting Numbers: [85, 72] Generated Node #0,1,3: 71:[85, 72] Operation: 69+3=72 Exploring Operation: 69-3=66, Resulting Numbers: [85, 66] Generated Node #0,1,4: 71:[85, 66] Operation: 69-3=66 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 71:[69, 82], Operations: ['91-88=3', '85-3=82'] Exploring Operation: 82-69=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 69*82=5658, Resulting Numbers: [5658] 5658,71 unequal: No Solution Exploring Operation: 69+82=151, Resulting Numbers: [151] 151,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 71:[85, 72], Operations: ['91-88=3', '69+3=72'] Exploring Operation: 85*72=6120, Resulting Numbers: [6120] 6120,71 unequal: No Solution Exploring Operation: 85-72=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 85+72=157, Resulting Numbers: [157] 157,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 71:[69, 88], Operations: ['91-88=3', '85+3=88'] Exploring Operation: 69*88=6072, Resulting Numbers: [6072] 6072,71 unequal: No Solution Exploring Operation: 69+88=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 88-69=19, Resulting Numbers: [19] 19,71 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 #0,1,4 Current State: 71:[85, 66], Operations: ['91-88=3', '69-3=66'] Exploring Operation: 85+66=151, Resulting Numbers: [151] 151,71 unequal: No Solution Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 85*66=5610, Resulting Numbers: [5610] 5610,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 71:[85, 23], Operations: ['91-88=3', '69/3=23'] Exploring Operation: 85-23=62, Resulting Numbers: [62] 62,71 unequal: No Solution Exploring Operation: 85+23=108, Resulting Numbers: [108] 108,71 unequal: No Solution Exploring Operation: 85*23=1955, Resulting Numbers: [1955] 1955,71 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: 71:[69, 88, 6], Operations: ['91-85=6'] Exploring Operation: 69+6=75, Resulting Numbers: [88, 75] Generated Node #0,0,0: 71:[88, 75] Operation: 69+6=75 Exploring Operation: 69-6=63, Resulting Numbers: [88, 63] Generated Node #0,0,1: 71:[88, 63] Operation: 69-6=63 Exploring Operation: 88-69=19, Resulting Numbers: [6, 19] Generated Node #0,0,2: 71:[6, 19] Operation: 88-69=19 Exploring Operation: 88-6=82, Resulting Numbers: [69, 82] Generated Node #0,0,3: 71:[69, 82] Operation: 88-6=82 Exploring Operation: 88+6=94, Resulting Numbers: [69, 94] Generated Node #0,0,4: 71:[69, 94] Operation: 88+6=94 Moving to Node #0,2 Current State: 71:[91, 85, 19], Operations: ['88-69=19'] Exploring Operation: 85-19=66, Resulting Numbers: [91, 66] Generated Node #0,2,0: 71:[91, 66] Operation: 85-19=66 Exploring Operation: 85+19=104, Resulting Numbers: [91, 104] Generated Node #0,2,1: 71:[91, 104] Operation: 85+19=104 Exploring Operation: 91-19=72, Resulting Numbers: [85, 72] Generated Node #0,2,2: 71:[85, 72] Operation: 91-19=72 Exploring Operation: 91-85=6, Resulting Numbers: [19, 6] Generated Node #0,2,3: 71:[19, 6] Operation: 91-85=6 Exploring Operation: 91+19=110, Resulting Numbers: [85, 110] Generated Node #0,2,4: 71:[85, 110] Operation: 91+19=110 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 71:[85, 72], Operations: ['88-69=19', '91-19=72'] Exploring Operation: 85-72=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 85+72=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 85*72=6120, Resulting Numbers: [6120] 6120,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 71:[91, 66], Operations: ['88-69=19', '85-19=66'] Exploring Operation: 91+66=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 91*66=6006, Resulting Numbers: [6006] 6006,71 unequal: No Solution Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 71:[91, 104], Operations: ['88-69=19', '85+19=104'] Exploring Operation: 91*104=9464, Resulting Numbers: [9464] 9464,71 unequal: No Solution Exploring Operation: 104-91=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 91+104=195, Resulting Numbers: [195] 195,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 71:[85, 110], Operations: ['88-69=19', '91+19=110'] Exploring Operation: 85+110=195, Resulting Numbers: [195] 195,71 unequal: No Solution Exploring Operation: 85*110=9350, Resulting Numbers: [9350] 9350,71 unequal: No Solution Exploring Operation: 110-85=25, Resulting Numbers: [25] 25,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 71:[19, 6], Operations: ['88-69=19', '91-85=6'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 19*6=114, Resulting Numbers: [114] 114,71 unequal: No Solution Exploring Operation: 19+6=25, Resulting Numbers: [25] 25,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 71:[69, 91, 3], Operations: ['88-85=3'] Exploring Operation: 69+3=72, Resulting Numbers: [91, 72] Generated Node #0,3,0: 71:[91, 72] Operation: 69+3=72 Exploring Operation: 69-3=66, Resulting Numbers: [91, 66] Generated Node #0,3,1: 71:[91, 66] Operation: 69-3=66 Exploring Operation: 69/3=23, Resulting Numbers: [91, 23] Generated Node #0,3,2: 71:[91, 23] Operation: 69/3=23 Exploring Operation: 91+3=94, Resulting Numbers: [69, 94] Generated Node #0,3,3: 71:[69, 94] Operation: 91+3=94 Exploring Operation: 91-3=88, Resulting Numbers: [69, 88] Generated Node #0,3,4: 71:[69, 88] Operation: 91-3=88 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 71:[69, 88], Operations: ['88-85=3', '91-3=88'] Exploring Operation: 69+88=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 88-69=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 69*88=6072, Resulting Numbers: [6072] 6072,71 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 #0,3,0 Current State: 71:[91, 72], Operations: ['88-85=3', '69+3=72'] Exploring Operation: 91-72=19, Resulting Numbers: [19] 19,71 unequal: No Solution Exploring Operation: 91+72=163, Resulting Numbers: [163] 163,71 unequal: No Solution Exploring Operation: 91*72=6552, Resulting Numbers: [6552] 6552,71 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 #0,3,1 Current State: 71:[91, 66], Operations: ['88-85=3', '69-3=66'] Exploring Operation: 91+66=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 91*66=6006, Resulting Numbers: [6006] 6006,71 unequal: No Solution Exploring Operation: 91-66=25, Resulting Numbers: [25] 25,71 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 #0,3,3 Current State: 71:[69, 94], Operations: ['88-85=3', '91+3=94'] Exploring Operation: 94-69=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 69+94=163, Resulting Numbers: [163] 163,71 unequal: No Solution Exploring Operation: 69*94=6486, Resulting Numbers: [6486] 6486,71 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 #0,3,2 Current State: 71:[91, 23], Operations: ['88-85=3', '69/3=23'] Exploring Operation: 91*23=2093, Resulting Numbers: [2093] 2093,71 unequal: No Solution Exploring Operation: 91+23=114, Resulting Numbers: [114] 114,71 unequal: No Solution Exploring Operation: 91-23=68, Resulting Numbers: [68] 68,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,3 Current State: 71:[69, 82], Operations: ['91-85=6', '88-6=82'] Exploring Operation: 69*82=5658, Resulting Numbers: [5658] 5658,71 unequal: No Solution Exploring Operation: 69+82=151, Resulting Numbers: [151] 151,71 unequal: No Solution Exploring Operation: 82-69=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,0,0 Current State: 71:[88, 75], Operations: ['91-85=6', '69+6=75'] Exploring Operation: 88*75=6600, Resulting Numbers: [6600] 6600,71 unequal: No Solution Exploring Operation: 88+75=163, Resulting Numbers: [163] 163,71 unequal: No Solution Exploring Operation: 88-75=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,0,1 Current State: 71:[88, 63], Operations: ['91-85=6', '69-6=63'] Exploring Operation: 88*63=5544, Resulting Numbers: [5544] 5544,71 unequal: No Solution Exploring Operation: 88-63=25, Resulting Numbers: [25] 25,71 unequal: No Solution Exploring Operation: 88+63=151, Resulting Numbers: [151] 151,71 unequal: No Solution Moving to Node #0,0,4 Current State: 71:[69, 94], Operations: ['91-85=6', '88+6=94'] Exploring Operation: 69+94=163, Resulting Numbers: [163] 163,71 unequal: No Solution Exploring Operation: 69*94=6486, Resulting Numbers: [6486] 6486,71 unequal: No Solution Exploring Operation: 94-69=25, Resulting Numbers: [25] 25,71 unequal: No Solution Moving to Node #0,0,2 Current State: 71:[6, 19], Operations: ['91-85=6', '88-69=19'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 6*19=114, Resulting Numbers: [114] 114,71 unequal: No Solution Exploring Operation: 6+19=25, Resulting Numbers: [25] 25,71 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 18, 29, 14, 7 ]
68
[ "18+29=47", "14+7=21", "47+21=68" ]
Current State: 68:[18, 29, 14, 7], Operations: [] Exploring Operation: 18+29=47, Resulting Numbers: [14, 7, 47] Generated Node #2: [14, 7, 47] from Operation: 18+29=47 Current State: 68:[14, 7, 47], Operations: ['18+29=47'] Exploring Operation: 14+7=21, Resulting Numbers: [47, 21] Generated Node #3: [47, 21] from Operation: 14+7=21 Current State: 68:[47, 21], Operations: ['18+29=47', '14+7=21'] Exploring Operation: 47+21=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[18, 29, 14, 7], Operations: [] Exploring Operation: 29-14=15, Resulting Numbers: [18, 7, 15] Generated Node #0,0: 68:[18, 7, 15] Operation: 29-14=15 Exploring Operation: 29+7=36, Resulting Numbers: [18, 14, 36] Generated Node #0,1: 68:[18, 14, 36] Operation: 29+7=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[18, 7, 15], Operations: ['29-14=15'] Exploring Operation: 18+15=33, Resulting Numbers: [7, 33] Generated Node #0,0,0: 68:[7, 33] Operation: 18+15=33 Exploring Operation: 18-15=3, Resulting Numbers: [7, 3] Generated Node #0,0,1: 68:[7, 3] Operation: 18-15=3 Moving to Node #0,0,0 Current State: 68:[7, 33], Operations: ['29-14=15', '18+15=33'] Exploring Operation: 33-7=26, Resulting Numbers: [26] 26,68 unequal: No Solution Exploring Operation: 7+33=40, Resulting Numbers: [40] 40,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[7, 3], Operations: ['29-14=15', '18-15=3'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,68 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,68 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 68:[18, 14, 36], Operations: ['29+7=36'] Exploring Operation: 36/18=2, Resulting Numbers: [14, 2] Generated Node #0,1,0: 68:[14, 2] Operation: 36/18=2 Exploring Operation: 18-14=4, Resulting Numbers: [36, 4] Generated Node #0,1,1: 68:[36, 4] Operation: 18-14=4 Moving to Node #0,1,1 Current State: 68:[36, 4], Operations: ['29+7=36', '18-14=4'] Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,68 unequal: No Solution Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,68 unequal: No Solution Moving to Node #0,1,0 Current State: 68:[14, 2], Operations: ['29+7=36', '36/18=2'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,68 unequal: No Solution Exploring Operation: 14+2=16, Resulting Numbers: [16] 16,68 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
[ 6, 56, 95, 38 ]
83
[ "56-6=50", "95+38=133", "133-50=83" ]
Current State: 83:[6, 56, 95, 38], Operations: [] Exploring Operation: 56-6=50, Resulting Numbers: [95, 38, 50] Generated Node #2: [95, 38, 50] from Operation: 56-6=50 Current State: 83:[95, 38, 50], Operations: ['56-6=50'] Exploring Operation: 95+38=133, Resulting Numbers: [50, 133] Generated Node #3: [50, 133] from Operation: 95+38=133 Current State: 83:[50, 133], Operations: ['56-6=50', '95+38=133'] Exploring Operation: 133-50=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[6, 56, 95, 38], Operations: [] Exploring Operation: 6+56=62, Resulting Numbers: [95, 38, 62] Generated Node #0,0: 83:[95, 38, 62] Operation: 6+56=62 Exploring Operation: 95-6=89, Resulting Numbers: [56, 38, 89] Generated Node #0,1: 83:[56, 38, 89] Operation: 95-6=89 Exploring Operation: 6+38=44, Resulting Numbers: [56, 95, 44] Generated Node #0,2: 83:[56, 95, 44] Operation: 6+38=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[95, 38, 62], Operations: ['6+56=62'] Exploring Operation: 95+38=133, Resulting Numbers: [62, 133] Generated Node #0,0,0: 83:[62, 133] Operation: 95+38=133 Exploring Operation: 95-38=57, Resulting Numbers: [62, 57] Generated Node #0,0,1: 83:[62, 57] Operation: 95-38=57 Exploring Operation: 38+62=100, Resulting Numbers: [95, 100] Generated Node #0,0,2: 83:[95, 100] Operation: 38+62=100 Moving to Node #0,0,2 Current State: 83:[95, 100], Operations: ['6+56=62', '38+62=100'] Exploring Operation: 95+100=195, Resulting Numbers: [195] 195,83 unequal: No Solution Exploring Operation: 95*100=9500, Resulting Numbers: [9500] 9500,83 unequal: No Solution Exploring Operation: 100-95=5, Resulting Numbers: [5] 5,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[62, 57], Operations: ['6+56=62', '95-38=57'] Exploring Operation: 62+57=119, Resulting Numbers: [119] 119,83 unequal: No Solution Exploring Operation: 62-57=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 62*57=3534, Resulting Numbers: [3534] 3534,83 unequal: No Solution Moving to Node #0,0,0 Current State: 83:[62, 133], Operations: ['6+56=62', '95+38=133'] Exploring Operation: 133-62=71, Resulting Numbers: [71] 71,83 unequal: No Solution Exploring Operation: 62+133=195, Resulting Numbers: [195] 195,83 unequal: No Solution Exploring Operation: 62*133=8246, Resulting Numbers: [8246] 8246,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[56, 38, 89], Operations: ['95-6=89'] Exploring Operation: 89-38=51, Resulting Numbers: [56, 51] Generated Node #0,1,0: 83:[56, 51] Operation: 89-38=51 Exploring Operation: 56-38=18, Resulting Numbers: [89, 18] Generated Node #0,1,1: 83:[89, 18] Operation: 56-38=18 Exploring Operation: 56+38=94, Resulting Numbers: [89, 94] Generated Node #0,1,2: 83:[89, 94] Operation: 56+38=94 Moving to Node #0,1,2 Current State: 83:[89, 94], Operations: ['95-6=89', '56+38=94'] Exploring Operation: 89*94=8366, Resulting Numbers: [8366] 8366,83 unequal: No Solution Exploring Operation: 89+94=183, Resulting Numbers: [183] 183,83 unequal: No Solution Exploring Operation: 94-89=5, Resulting Numbers: [5] 5,83 unequal: No Solution Moving to Node #0,1,0 Current State: 83:[56, 51], Operations: ['95-6=89', '89-38=51'] Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,83 unequal: No Solution Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[89, 18], Operations: ['95-6=89', '56-38=18'] Exploring Operation: 89*18=1602, Resulting Numbers: [1602] 1602,83 unequal: No Solution Exploring Operation: 89+18=107, Resulting Numbers: [107] 107,83 unequal: No Solution Exploring Operation: 89-18=71, Resulting Numbers: [71] 71,83 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 Current State: 83:[56, 95, 44], Operations: ['6+38=44'] Exploring Operation: 95-44=51, Resulting Numbers: [56, 51] Generated Node #0,2,0: 83:[56, 51] Operation: 95-44=51 Exploring Operation: 56+44=100, Resulting Numbers: [95, 100] Generated Node #0,2,1: 83:[95, 100] Operation: 56+44=100 Exploring Operation: 95-56=39, Resulting Numbers: [44, 39] Generated Node #0,2,2: 83:[44, 39] Operation: 95-56=39 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 83:[95, 100], Operations: ['6+38=44', '56+44=100'] Exploring Operation: 95*100=9500, Resulting Numbers: [9500] 9500,83 unequal: No Solution Exploring Operation: 100-95=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 95+100=195, Resulting Numbers: [195] 195,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 83:[56, 51], Operations: ['6+38=44', '95-44=51'] Exploring Operation: 56+51=107, Resulting Numbers: [107] 107,83 unequal: No Solution Exploring Operation: 56-51=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 56*51=2856, Resulting Numbers: [2856] 2856,83 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 83:[44, 39], Operations: ['6+38=44', '95-56=39'] Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,83 unequal: No Solution Exploring Operation: 44*39=1716, Resulting Numbers: [1716] 1716,83 unequal: No Solution Exploring Operation: 44+39=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Moving to Node #0 Current State: 83:[6, 56, 95, 38], Operations: [] Exploring Operation: 6+38=44, Resulting Numbers: [56, 95, 44] Generated Node #0,2: 83:[56, 95, 44] Operation: 6+38=44 Moving to Node #0,2 Current State: 83:[56, 95, 44], Operations: ['6+38=44'] Exploring Operation: 95-56=39, Resulting Numbers: [44, 39] Generated Node #0,2,2: 83:[44, 39] Operation: 95-56=39 Moving to Node #0,2,2 Current State: 83:[44, 39], Operations: ['6+38=44', '95-56=39'] Exploring Operation: 44+39=83, Resulting Numbers: [83] 83,83 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.962674
hs_3
sum_heuristic
[ 3, 28, 22, 93 ]
33
[ "28-22=6", "93+6=99", "99/3=33" ]
Current State: 33:[3, 28, 22, 93], Operations: [] Exploring Operation: 28-22=6, Resulting Numbers: [3, 93, 6] Generated Node #2: [3, 93, 6] from Operation: 28-22=6 Current State: 33:[3, 93, 6], Operations: ['28-22=6'] Exploring Operation: 93+6=99, Resulting Numbers: [3, 99] Generated Node #3: [3, 99] from Operation: 93+6=99 Current State: 33:[3, 99], Operations: ['28-22=6', '93+6=99'] Exploring Operation: 99/3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[3, 28, 22, 93], Operations: [] Exploring Operation: 93/3=31, Resulting Numbers: [28, 22, 31] Generated Node #0,0: 33:[28, 22, 31] Operation: 93/3=31 Start Sub Search at level 1: Moving to Node #0,0 Current State: 33:[28, 22, 31], Operations: ['93/3=31'] Exploring Operation: 28-22=6, Resulting Numbers: [31, 6] Generated Node #0,0,0: 33:[31, 6] Operation: 28-22=6 Moving to Node #0,0,0 Current State: 33:[31, 6], Operations: ['93/3=31', '28-22=6'] Exploring Operation: 31+6=37, Resulting Numbers: [37] 37,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 56, 41, 89, 30 ]
35
[ "56*30=1680", "89-41=48", "1680/48=35" ]
Current State: 35:[56, 41, 89, 30], Operations: [] Exploring Operation: 56*30=1680, Resulting Numbers: [41, 89, 1680] Generated Node #2: [41, 89, 1680] from Operation: 56*30=1680 Current State: 35:[41, 89, 1680], Operations: ['56*30=1680'] Exploring Operation: 89-41=48, Resulting Numbers: [1680, 48] Generated Node #3: [1680, 48] from Operation: 89-41=48 Current State: 35:[1680, 48], Operations: ['56*30=1680', '89-41=48'] Exploring Operation: 1680/48=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[56, 41, 89, 30], Operations: [] Exploring Operation: 89-56=33, Resulting Numbers: [41, 30, 33] Generated Node #0,0: 35:[41, 30, 33] Operation: 89-56=33 Exploring Operation: 89-41=48, Resulting Numbers: [56, 30, 48] Generated Node #0,1: 35:[56, 30, 48] Operation: 89-41=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 35:[41, 30, 33], Operations: ['89-56=33'] Exploring Operation: 41-33=8, Resulting Numbers: [30, 8] Generated Node #0,0,0: 35:[30, 8] Operation: 41-33=8 Exploring Operation: 41-30=11, Resulting Numbers: [33, 11] Generated Node #0,0,1: 35:[33, 11] Operation: 41-30=11 Moving to Node #0,0,0 Current State: 35:[30, 8], Operations: ['89-56=33', '41-33=8'] Exploring Operation: 30+8=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,35 unequal: No Solution Moving to Node #0,0,1 Current State: 35:[33, 11], Operations: ['89-56=33', '41-30=11'] Exploring Operation: 33+11=44, Resulting Numbers: [44] 44,35 unequal: No Solution Exploring Operation: 33/11=3, Resulting Numbers: [3] 3,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 35:[56, 30, 48], Operations: ['89-41=48'] Exploring Operation: 56-48=8, Resulting Numbers: [30, 8] Generated Node #0,1,0: 35:[30, 8] Operation: 56-48=8 Exploring Operation: 56-30=26, Resulting Numbers: [48, 26] Generated Node #0,1,1: 35:[48, 26] Operation: 56-30=26 Moving to Node #0,1,0 Current State: 35:[30, 8], Operations: ['89-41=48', '56-48=8'] Exploring Operation: 30+8=38, Resulting Numbers: [38] 38,35 unequal: No Solution Exploring Operation: 30-8=22, Resulting Numbers: [22] 22,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[48, 26], Operations: ['89-41=48', '56-30=26'] Exploring Operation: 48+26=74, Resulting Numbers: [74] 74,35 unequal: No Solution Exploring Operation: 48-26=22, Resulting Numbers: [22] 22,35 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
[ 78, 1, 25, 27 ]
30
[ "1+25=26", "78/26=3", "27+3=30" ]
Current State: 30:[78, 1, 25, 27], Operations: [] Exploring Operation: 1+25=26, Resulting Numbers: [78, 27, 26] Generated Node #2: [78, 27, 26] from Operation: 1+25=26 Current State: 30:[78, 27, 26], Operations: ['1+25=26'] Exploring Operation: 78/26=3, Resulting Numbers: [27, 3] Generated Node #3: [27, 3] from Operation: 78/26=3 Current State: 30:[27, 3], Operations: ['1+25=26', '78/26=3'] Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[78, 1, 25, 27], Operations: [] Exploring Operation: 78-25=53, Resulting Numbers: [1, 27, 53] Generated Node #0,0: 30:[1, 27, 53] Operation: 78-25=53 Exploring Operation: 1+25=26, Resulting Numbers: [78, 27, 26] Generated Node #0,1: 30:[78, 27, 26] Operation: 1+25=26 Exploring Operation: 27-25=2, Resulting Numbers: [78, 1, 2] Generated Node #0,2: 30:[78, 1, 2] Operation: 27-25=2 Exploring Operation: 78-27=51, Resulting Numbers: [1, 25, 51] Generated Node #0,3: 30:[1, 25, 51] Operation: 78-27=51 Exploring Operation: 78-1=77, Resulting Numbers: [25, 27, 77] Generated Node #0,4: 30:[25, 27, 77] Operation: 78-1=77 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[1, 27, 53], Operations: ['78-25=53'] Exploring Operation: 53-1=52, Resulting Numbers: [27, 52] Generated Node #0,0,0: 30:[27, 52] Operation: 53-1=52 Exploring Operation: 1*27=27, Resulting Numbers: [53, 27] Generated Node #0,0,1: 30:[53, 27] Operation: 1*27=27 Exploring Operation: 53-27=26, Resulting Numbers: [1, 26] Generated Node #0,0,2: 30:[1, 26] Operation: 53-27=26 Exploring Operation: 1+27=28, Resulting Numbers: [53, 28] Generated Node #0,0,3: 30:[53, 28] Operation: 1+27=28 Exploring Operation: 27/1=27, Resulting Numbers: [53, 27] Generated Node #0,0,4: 30:[53, 27] Operation: 27/1=27 Moving to Node #0,0,2 Current State: 30:[1, 26], Operations: ['78-25=53', '53-27=26'] Exploring Operation: 1+26=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,30 unequal: No Solution Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,30 unequal: No Solution Exploring Operation: 1*26=26, Resulting Numbers: [26] 26,30 unequal: No Solution Moving to Node #0,0,3 Current State: 30:[53, 28], Operations: ['78-25=53', '1+27=28'] Exploring Operation: 53*28=1484, Resulting Numbers: [1484] 1484,30 unequal: No Solution Exploring Operation: 53+28=81, Resulting Numbers: [81] 81,30 unequal: No Solution Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,30 unequal: No Solution Moving to Node #0,0,0 Current State: 30:[27, 52], Operations: ['78-25=53', '53-1=52'] Exploring Operation: 27*52=1404, Resulting Numbers: [1404] 1404,30 unequal: No Solution Exploring Operation: 52-27=25, Resulting Numbers: [25] 25,30 unequal: No Solution Exploring Operation: 27+52=79, Resulting Numbers: [79] 79,30 unequal: No Solution Moving to Node #0,0,1 Current State: 30:[53, 27], Operations: ['78-25=53', '1*27=27'] Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,30 unequal: No Solution Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,30 unequal: No Solution Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,30 unequal: No Solution Moving to Node #0,0,4 Current State: 30:[53, 27], Operations: ['78-25=53', '27/1=27'] Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,30 unequal: No Solution Exploring Operation: 53*27=1431, Resulting Numbers: [1431] 1431,30 unequal: No Solution Exploring Operation: 53+27=80, Resulting Numbers: [80] 80,30 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:[1, 25, 51], Operations: ['78-27=51'] Exploring Operation: 1*25=25, Resulting Numbers: [51, 25] Generated Node #0,3,0: 30:[51, 25] Operation: 1*25=25 Exploring Operation: 1+25=26, Resulting Numbers: [51, 26] Generated Node #0,3,1: 30:[51, 26] Operation: 1+25=26 Exploring Operation: 51-25=26, Resulting Numbers: [1, 26] Generated Node #0,3,2: 30:[1, 26] Operation: 51-25=26 Exploring Operation: 51-1=50, Resulting Numbers: [25, 50] Generated Node #0,3,3: 30:[25, 50] Operation: 51-1=50 Exploring Operation: 25/1=25, Resulting Numbers: [51, 25] Generated Node #0,3,4: 30:[51, 25] Operation: 25/1=25 Moving to Node #0,3,2 Current State: 30:[1, 26], Operations: ['78-27=51', '51-25=26'] Exploring Operation: 1+26=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 1*26=26, Resulting Numbers: [26] 26,30 unequal: No Solution Exploring Operation: 26/1=26, Resulting Numbers: [26] 26,30 unequal: No Solution Exploring Operation: 26-1=25, Resulting Numbers: [25] 25,30 unequal: No Solution Moving to Node #0,3,3 Current State: 30:[25, 50], Operations: ['78-27=51', '51-1=50'] Exploring Operation: 25+50=75, Resulting Numbers: [75] 75,30 unequal: No Solution Exploring Operation: 50/25=2, Resulting Numbers: [2] 2,30 unequal: No Solution Exploring Operation: 25*50=1250, Resulting Numbers: [1250] 1250,30 unequal: No Solution Exploring Operation: 50-25=25, Resulting Numbers: [25] 25,30 unequal: No Solution Moving to Node #0,3,1 Current State: 30:[51, 26], Operations: ['78-27=51', '1+25=26'] Exploring Operation: 51+26=77, Resulting Numbers: [77] 77,30 unequal: No Solution Exploring Operation: 51-26=25, Resulting Numbers: [25] 25,30 unequal: No Solution Exploring Operation: 51*26=1326, Resulting Numbers: [1326] 1326,30 unequal: No Solution Moving to Node #0,3,0 Current State: 30:[51, 25], Operations: ['78-27=51', '1*25=25'] Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,30 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,30 unequal: No Solution Exploring Operation: 51*25=1275, Resulting Numbers: [1275] 1275,30 unequal: No Solution Moving to Node #0,3,4 Current State: 30:[51, 25], Operations: ['78-27=51', '25/1=25'] Exploring Operation: 51*25=1275, Resulting Numbers: [1275] 1275,30 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,30 unequal: No Solution Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[78, 1, 2], Operations: ['27-25=2'] Exploring Operation: 78/1=78, Resulting Numbers: [2, 78] Generated Node #0,2,0: 30:[2, 78] Operation: 78/1=78 Exploring Operation: 78-2=76, Resulting Numbers: [1, 76] Generated Node #0,2,1: 30:[1, 76] Operation: 78-2=76 Exploring Operation: 78-1=77, Resulting Numbers: [2, 77] Generated Node #0,2,2: 30:[2, 77] Operation: 78-1=77 Exploring Operation: 78*1=78, Resulting Numbers: [2, 78] Generated Node #0,2,3: 30:[2, 78] Operation: 78*1=78 Exploring Operation: 78/2=39, Resulting Numbers: [1, 39] Generated Node #0,2,4: 30:[1, 39] Operation: 78/2=39 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 30:[1, 39], Operations: ['27-25=2', '78/2=39'] Exploring Operation: 39/1=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 1*39=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,30 unequal: No Solution Exploring Operation: 39-1=38, Resulting Numbers: [38] 38,30 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:[1, 76], Operations: ['27-25=2', '78-2=76'] Exploring Operation: 1+76=77, Resulting Numbers: [77] 77,30 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,30 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,30 unequal: No Solution Exploring Operation: 1*76=76, Resulting Numbers: [76] 76,30 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:[2, 77], Operations: ['27-25=2', '78-1=77'] Exploring Operation: 2*77=154, Resulting Numbers: [154] 154,30 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,30 unequal: No Solution Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 30:[2, 78], Operations: ['27-25=2', '78/1=78'] Exploring Operation: 2*78=156, Resulting Numbers: [156] 156,30 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,30 unequal: No Solution Exploring Operation: 2+78=80, Resulting Numbers: [80] 80,30 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:[2, 78], Operations: ['27-25=2', '78*1=78'] Exploring Operation: 78-2=76, Resulting Numbers: [76] 76,30 unequal: No Solution Exploring Operation: 78/2=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 2*78=156, Resulting Numbers: [156] 156,30 unequal: No Solution Exploring Operation: 2+78=80, Resulting Numbers: [80] 80,30 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:[78, 27, 26], Operations: ['1+25=26'] Exploring Operation: 78-27=51, Resulting Numbers: [26, 51] Generated Node #0,1,0: 30:[26, 51] Operation: 78-27=51 Exploring Operation: 78/26=3, Resulting Numbers: [27, 3] Generated Node #0,1,1: 30:[27, 3] Operation: 78/26=3 Exploring Operation: 27+26=53, Resulting Numbers: [78, 53] Generated Node #0,1,2: 30:[78, 53] Operation: 27+26=53 Exploring Operation: 27-26=1, Resulting Numbers: [78, 1] Generated Node #0,1,3: 30:[78, 1] Operation: 27-26=1 Exploring Operation: 78-26=52, Resulting Numbers: [27, 52] Generated Node #0,1,4: 30:[27, 52] Operation: 78-26=52 Moving to Node #0,1,1 Current State: 30:[27, 3], Operations: ['1+25=26', '78/26=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,30 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,30 unequal: No Solution Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[78, 1, 25, 27], Operations: [] Exploring Operation: 1+25=26, Resulting Numbers: [78, 27, 26] Generated Node #0,1: 30:[78, 27, 26] Operation: 1+25=26 Moving to Node #0,1 Current State: 30:[78, 27, 26], Operations: ['1+25=26'] Exploring Operation: 78/26=3, Resulting Numbers: [27, 3] Generated Node #0,1,1: 30:[27, 3] Operation: 78/26=3 Moving to Node #0,1,1 Current State: 30:[27, 3], Operations: ['1+25=26', '78/26=3'] Exploring Operation: 27+3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.927083
hs_5
sum_heuristic
[ 14, 8, 49, 83 ]
55
[ "8*49=392", "392/14=28", "83-28=55" ]
Current State: 55:[14, 8, 49, 83], Operations: [] Exploring Operation: 8*49=392, Resulting Numbers: [14, 83, 392] Generated Node #2: [14, 83, 392] from Operation: 8*49=392 Current State: 55:[14, 83, 392], Operations: ['8*49=392'] Exploring Operation: 392/14=28, Resulting Numbers: [83, 28] Generated Node #3: [83, 28] from Operation: 392/14=28 Current State: 55:[83, 28], Operations: ['8*49=392', '392/14=28'] Exploring Operation: 83-28=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[14, 8, 49, 83], Operations: [] Exploring Operation: 83-14=69, Resulting Numbers: [8, 49, 69] Generated Node #0,0: 55:[8, 49, 69] Operation: 83-14=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[8, 49, 69], Operations: ['83-14=69'] Exploring Operation: 69-8=61, Resulting Numbers: [49, 61] Generated Node #0,0,0: 55:[49, 61] Operation: 69-8=61 Moving to Node #0,0,0 Current State: 55:[49, 61], Operations: ['83-14=69', '69-8=61'] Exploring Operation: 61-49=12, Resulting Numbers: [12] 12,55 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
[ 37, 33, 97, 82 ]
85
[ "37+33=70", "97-82=15", "70+15=85" ]
Current State: 85:[37, 33, 97, 82], Operations: [] Exploring Operation: 37+33=70, Resulting Numbers: [97, 82, 70] Generated Node #2: [97, 82, 70] from Operation: 37+33=70 Current State: 85:[97, 82, 70], Operations: ['37+33=70'] Exploring Operation: 97-82=15, Resulting Numbers: [70, 15] Generated Node #3: [70, 15] from Operation: 97-82=15 Current State: 85:[70, 15], Operations: ['37+33=70', '97-82=15'] Exploring Operation: 70+15=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[37, 33, 97, 82], Operations: [] Exploring Operation: 37+33=70, Resulting Numbers: [97, 82, 70] Generated Node #0,0: 85:[97, 82, 70] Operation: 37+33=70 Exploring Operation: 97-82=15, Resulting Numbers: [37, 33, 15] Generated Node #0,1: 85:[37, 33, 15] Operation: 97-82=15 Exploring Operation: 37-33=4, Resulting Numbers: [97, 82, 4] Generated Node #0,2: 85:[97, 82, 4] Operation: 37-33=4 Moving to Node #0,2 Current State: 85:[97, 82, 4], Operations: ['37-33=4'] Exploring Operation: 97-82=15, Resulting Numbers: [4, 15] Generated Node #0,2,0: 85:[4, 15] Operation: 97-82=15 Exploring Operation: 97-4=93, Resulting Numbers: [82, 93] Generated Node #0,2,1: 85:[82, 93] Operation: 97-4=93 Exploring Operation: 82+4=86, Resulting Numbers: [97, 86] Generated Node #0,2,2: 85:[97, 86] Operation: 82+4=86 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[4, 15], Operations: ['37-33=4', '97-82=15'] Exploring Operation: 4*15=60, Resulting Numbers: [60] 60,85 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,85 unequal: No Solution Exploring Operation: 4+15=19, Resulting Numbers: [19] 19,85 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 #0,2,1 Current State: 85:[82, 93], Operations: ['37-33=4', '97-4=93'] Exploring Operation: 82+93=175, Resulting Numbers: [175] 175,85 unequal: No Solution Exploring Operation: 93-82=11, Resulting Numbers: [11] 11,85 unequal: No Solution Exploring Operation: 82*93=7626, Resulting Numbers: [7626] 7626,85 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 #0,2,2 Current State: 85:[97, 86], Operations: ['37-33=4', '82+4=86'] Exploring Operation: 97-86=11, Resulting Numbers: [11] 11,85 unequal: No Solution Exploring Operation: 97+86=183, Resulting Numbers: [183] 183,85 unequal: No Solution Exploring Operation: 97*86=8342, Resulting Numbers: [8342] 8342,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 85:[97, 82, 70], Operations: ['37+33=70'] Exploring Operation: 97-70=27, Resulting Numbers: [82, 27] Generated Node #0,0,0: 85:[82, 27] Operation: 97-70=27 Exploring Operation: 97-82=15, Resulting Numbers: [70, 15] Generated Node #0,0,1: 85:[70, 15] Operation: 97-82=15 Exploring Operation: 82-70=12, Resulting Numbers: [97, 12] Generated Node #0,0,2: 85:[97, 12] Operation: 82-70=12 Moving to Node #0,1 Current State: 85:[37, 33, 15], Operations: ['97-82=15'] Exploring Operation: 37-33=4, Resulting Numbers: [15, 4] Generated Node #0,1,0: 85:[15, 4] Operation: 37-33=4 Exploring Operation: 37-15=22, Resulting Numbers: [33, 22] Generated Node #0,1,1: 85:[33, 22] Operation: 37-15=22 Exploring Operation: 37+33=70, Resulting Numbers: [15, 70] Generated Node #0,1,2: 85:[15, 70] Operation: 37+33=70 Moving to Node #0,1,0 Current State: 85:[15, 4], Operations: ['97-82=15', '37-33=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,85 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,85 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[82, 27], Operations: ['37+33=70', '97-70=27'] Exploring Operation: 82+27=109, Resulting Numbers: [109] 109,85 unequal: No Solution Exploring Operation: 82*27=2214, Resulting Numbers: [2214] 2214,85 unequal: No Solution Exploring Operation: 82-27=55, Resulting Numbers: [55] 55,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[97, 12], Operations: ['37+33=70', '82-70=12'] Exploring Operation: 97*12=1164, Resulting Numbers: [1164] 1164,85 unequal: No Solution Exploring Operation: 97+12=109, Resulting Numbers: [109] 109,85 unequal: No Solution Exploring Operation: 97-12=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[37, 33, 97, 82], Operations: [] Exploring Operation: 37+33=70, Resulting Numbers: [97, 82, 70] Generated Node #0,0: 85:[97, 82, 70] Operation: 37+33=70 Moving to Node #0,0 Current State: 85:[97, 82, 70], Operations: ['37+33=70'] Exploring Operation: 82-70=12, Resulting Numbers: [97, 12] Generated Node #0,0,2: 85:[97, 12] Operation: 82-70=12 Moving to Node #0,0,2 Current State: 85:[97, 12], Operations: ['37+33=70', '82-70=12'] Exploring Operation: 97-12=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.970486
hs_3
sum_heuristic
[ 86, 16, 19, 6 ]
14
[ "86-6=80", "80/16=5", "19-5=14" ]
Current State: 14:[86, 16, 19, 6], Operations: [] Exploring Operation: 86-6=80, Resulting Numbers: [16, 19, 80] Generated Node #2: [16, 19, 80] from Operation: 86-6=80 Current State: 14:[16, 19, 80], Operations: ['86-6=80'] Exploring Operation: 80/16=5, Resulting Numbers: [19, 5] Generated Node #3: [19, 5] from Operation: 80/16=5 Current State: 14:[19, 5], Operations: ['86-6=80', '80/16=5'] Exploring Operation: 19-5=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[86, 16, 19, 6], Operations: [] Exploring Operation: 86-19=67, Resulting Numbers: [16, 6, 67] Generated Node #0,0: 14:[16, 6, 67] Operation: 86-19=67 Exploring Operation: 86-16=70, Resulting Numbers: [19, 6, 70] Generated Node #0,1: 14:[19, 6, 70] Operation: 86-16=70 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[16, 6, 67], Operations: ['86-19=67'] Exploring Operation: 67-16=51, Resulting Numbers: [6, 51] Generated Node #0,0,0: 14:[6, 51] Operation: 67-16=51 Exploring Operation: 67-6=61, Resulting Numbers: [16, 61] Generated Node #0,0,1: 14:[16, 61] Operation: 67-6=61 Moving to Node #0,0,0 Current State: 14:[6, 51], Operations: ['86-19=67', '67-16=51'] Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,14 unequal: No Solution Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[16, 61], Operations: ['86-19=67', '67-6=61'] Exploring Operation: 61-16=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 16+61=77, Resulting Numbers: [77] 77,14 unequal: No Solution No 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: 14:[19, 6, 70], Operations: ['86-16=70'] Exploring Operation: 70-19=51, Resulting Numbers: [6, 51] Generated Node #0,1,0: 14:[6, 51] Operation: 70-19=51 Exploring Operation: 70-6=64, Resulting Numbers: [19, 64] Generated Node #0,1,1: 14:[19, 64] Operation: 70-6=64 Moving to Node #0,1,0 Current State: 14:[6, 51], Operations: ['86-16=70', '70-19=51'] Exploring Operation: 51-6=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 6+51=57, Resulting Numbers: [57] 57,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[19, 64], Operations: ['86-16=70', '70-6=64'] Exploring Operation: 64-19=45, Resulting Numbers: [45] 45,14 unequal: No Solution Exploring Operation: 19+64=83, Resulting Numbers: [83] 83,14 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
[ 90, 56, 13, 31 ]
10
[ "90-56=34", "13+31=44", "44-34=10" ]
Current State: 10:[90, 56, 13, 31], Operations: [] Exploring Operation: 90-56=34, Resulting Numbers: [13, 31, 34] Generated Node #2: [13, 31, 34] from Operation: 90-56=34 Current State: 10:[13, 31, 34], Operations: ['90-56=34'] Exploring Operation: 13+31=44, Resulting Numbers: [34, 44] Generated Node #3: [34, 44] from Operation: 13+31=44 Current State: 10:[34, 44], Operations: ['90-56=34', '13+31=44'] Exploring Operation: 44-34=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[90, 56, 13, 31], Operations: [] Exploring Operation: 90-56=34, Resulting Numbers: [13, 31, 34] Generated Node #0,0: 10:[13, 31, 34] Operation: 90-56=34 Moving to Node #0,0 Current State: 10:[13, 31, 34], Operations: ['90-56=34'] Exploring Operation: 34-31=3, Resulting Numbers: [13, 3] Generated Node #0,0,0: 10:[13, 3] Operation: 34-31=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[13, 3], Operations: ['90-56=34', '34-31=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[90, 56, 13, 31], Operations: [] Exploring Operation: 90-56=34, Resulting Numbers: [13, 31, 34] Generated Node #0,0: 10:[13, 31, 34] Operation: 90-56=34 Moving to Node #0,0 Current State: 10:[13, 31, 34], Operations: ['90-56=34'] Exploring Operation: 34-31=3, Resulting Numbers: [13, 3] Generated Node #0,0,0: 10:[13, 3] Operation: 34-31=3 Moving to Node #0,0,0 Current State: 10:[13, 3], Operations: ['90-56=34', '34-31=3'] Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 43, 68, 41, 87 ]
53
[ "43-41=2", "68/2=34", "87-34=53" ]
Current State: 53:[43, 68, 41, 87], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [68, 87, 2] Generated Node #2: [68, 87, 2] from Operation: 43-41=2 Current State: 53:[68, 87, 2], Operations: ['43-41=2'] Exploring Operation: 68/2=34, Resulting Numbers: [87, 34] Generated Node #3: [87, 34] from Operation: 68/2=34 Current State: 53:[87, 34], Operations: ['43-41=2', '68/2=34'] Exploring Operation: 87-34=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[43, 68, 41, 87], Operations: [] Exploring Operation: 87-43=44, Resulting Numbers: [68, 41, 44] Generated Node #0,0: 53:[68, 41, 44] Operation: 87-43=44 Exploring Operation: 87-41=46, Resulting Numbers: [43, 68, 46] Generated Node #0,1: 53:[43, 68, 46] Operation: 87-41=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[43, 68, 46], Operations: ['87-41=46'] Exploring Operation: 68-46=22, Resulting Numbers: [43, 22] Generated Node #0,1,0: 53:[43, 22] Operation: 68-46=22 Exploring Operation: 68-43=25, Resulting Numbers: [46, 25] Generated Node #0,1,1: 53:[46, 25] Operation: 68-43=25 Moving to Node #0,1,1 Current State: 53:[46, 25], Operations: ['87-41=46', '68-43=25'] Exploring Operation: 46+25=71, Resulting Numbers: [71] 71,53 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,53 unequal: No Solution Moving to Node #0,1,0 Current State: 53:[43, 22], Operations: ['87-41=46', '68-46=22'] Exploring Operation: 43-22=21, Resulting Numbers: [21] 21,53 unequal: No Solution Exploring Operation: 43+22=65, Resulting Numbers: [65] 65,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[68, 41, 44], Operations: ['87-43=44'] Exploring Operation: 68-41=27, Resulting Numbers: [44, 27] Generated Node #0,0,0: 53:[44, 27] Operation: 68-41=27 Exploring Operation: 68-44=24, Resulting Numbers: [41, 24] Generated Node #0,0,1: 53:[41, 24] Operation: 68-44=24 Moving to Node #0,0,0 Current State: 53:[44, 27], Operations: ['87-43=44', '68-41=27'] Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,53 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,53 unequal: No Solution Moving to Node #0,0,1 Current State: 53:[41, 24], Operations: ['87-43=44', '68-44=24'] Exploring Operation: 41+24=65, Resulting Numbers: [65] 65,53 unequal: No Solution Exploring Operation: 41-24=17, Resulting Numbers: [17] 17,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 7, 25, 39, 30 ]
51
[ "25-7=18", "39+30=69", "69-18=51" ]
Current State: 51:[7, 25, 39, 30], Operations: [] Exploring Operation: 25-7=18, Resulting Numbers: [39, 30, 18] Generated Node #2: [39, 30, 18] from Operation: 25-7=18 Current State: 51:[39, 30, 18], Operations: ['25-7=18'] Exploring Operation: 39+30=69, Resulting Numbers: [18, 69] Generated Node #3: [18, 69] from Operation: 39+30=69 Current State: 51:[18, 69], Operations: ['25-7=18', '39+30=69'] Exploring Operation: 69-18=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[7, 25, 39, 30], Operations: [] Exploring Operation: 39-30=9, Resulting Numbers: [7, 25, 9] Generated Node #0,0: 51:[7, 25, 9] Operation: 39-30=9 Exploring Operation: 30-25=5, Resulting Numbers: [7, 39, 5] Generated Node #0,1: 51:[7, 39, 5] Operation: 30-25=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[7, 25, 9], Operations: ['39-30=9'] Exploring Operation: 25-9=16, Resulting Numbers: [7, 16] Generated Node #0,0,0: 51:[7, 16] Operation: 25-9=16 Exploring Operation: 25-7=18, Resulting Numbers: [9, 18] Generated Node #0,0,1: 51:[9, 18] Operation: 25-7=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[7, 16], Operations: ['39-30=9', '25-9=16'] Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,51 unequal: No Solution No 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: 51:[9, 18], Operations: ['39-30=9', '25-7=18'] Exploring Operation: 18-9=9, Resulting Numbers: [9] 9,51 unequal: No Solution Exploring Operation: 18/9=2, Resulting Numbers: [2] 2,51 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: 51:[7, 39, 5], Operations: ['30-25=5'] Exploring Operation: 7+39=46, Resulting Numbers: [5, 46] Generated Node #0,1,0: 51:[5, 46] Operation: 7+39=46 Exploring Operation: 39+5=44, Resulting Numbers: [7, 44] Generated Node #0,1,1: 51:[7, 44] Operation: 39+5=44 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 51:[5, 46], Operations: ['30-25=5', '7+39=46'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,51 unequal: No Solution Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[7, 25, 39, 30], Operations: [] Exploring Operation: 30-25=5, Resulting Numbers: [7, 39, 5] Generated Node #0,1: 51:[7, 39, 5] Operation: 30-25=5 Moving to Node #0,1 Current State: 51:[7, 39, 5], Operations: ['30-25=5'] Exploring Operation: 7+39=46, Resulting Numbers: [5, 46] Generated Node #0,1,0: 51:[5, 46] Operation: 7+39=46 Moving to Node #0,1,0 Current State: 51:[5, 46], Operations: ['30-25=5', '7+39=46'] Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 48, 89, 58, 41 ]
13
[ "58-48=10", "89+41=130", "130/10=13" ]
Current State: 13:[48, 89, 58, 41], Operations: [] Exploring Operation: 58-48=10, Resulting Numbers: [89, 41, 10] Generated Node #2: [89, 41, 10] from Operation: 58-48=10 Current State: 13:[89, 41, 10], Operations: ['58-48=10'] Exploring Operation: 89+41=130, Resulting Numbers: [10, 130] Generated Node #3: [10, 130] from Operation: 89+41=130 Current State: 13:[10, 130], Operations: ['58-48=10', '89+41=130'] Exploring Operation: 130/10=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[48, 89, 58, 41], Operations: [] Exploring Operation: 58-41=17, Resulting Numbers: [48, 89, 17] Generated Node #0,0: 13:[48, 89, 17] Operation: 58-41=17 Exploring Operation: 89-41=48, Resulting Numbers: [48, 58, 48] Generated Node #0,1: 13:[48, 58, 48] Operation: 89-41=48 Exploring Operation: 89-58=31, Resulting Numbers: [48, 41, 31] Generated Node #0,2: 13:[48, 41, 31] Operation: 89-58=31 Exploring Operation: 58-48=10, Resulting Numbers: [89, 41, 10] Generated Node #0,3: 13:[89, 41, 10] Operation: 58-48=10 Exploring Operation: 89-48=41, Resulting Numbers: [58, 41, 41] Generated Node #0,4: 13:[58, 41, 41] Operation: 89-48=41 Start Sub Search at level 1: Moving to Node #0,2 Current State: 13:[48, 41, 31], Operations: ['89-58=31'] Exploring Operation: 48-31=17, Resulting Numbers: [41, 17] Generated Node #0,2,0: 13:[41, 17] Operation: 48-31=17 Exploring Operation: 48-41=7, Resulting Numbers: [31, 7] Generated Node #0,2,1: 13:[31, 7] Operation: 48-41=7 Exploring Operation: 41-31=10, Resulting Numbers: [48, 10] Generated Node #0,2,2: 13:[48, 10] Operation: 41-31=10 Exploring Operation: 48+31=79, Resulting Numbers: [41, 79] Generated Node #0,2,3: 13:[41, 79] Operation: 48+31=79 Exploring Operation: 48+41=89, Resulting Numbers: [31, 89] Generated Node #0,2,4: 13:[31, 89] Operation: 48+41=89 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 13:[31, 7], Operations: ['89-58=31', '48-41=7'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,13 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:[41, 17], Operations: ['89-58=31', '48-31=17'] Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 41*17=697, Resulting Numbers: [697] 697,13 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:[48, 10], Operations: ['89-58=31', '41-31=10'] Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 48*10=480, Resulting Numbers: [480] 480,13 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:[41, 79], Operations: ['89-58=31', '48+31=79'] Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 41+79=120, Resulting Numbers: [120] 120,13 unequal: No Solution Exploring Operation: 41*79=3239, Resulting Numbers: [3239] 3239,13 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:[31, 89], Operations: ['89-58=31', '48+41=89'] Exploring Operation: 31*89=2759, Resulting Numbers: [2759] 2759,13 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 31+89=120, Resulting Numbers: [120] 120,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 13:[58, 41, 41], Operations: ['89-48=41'] Exploring Operation: 41/41=1, Resulting Numbers: [58, 1] Generated Node #0,4,0: 13:[58, 1] Operation: 41/41=1 Exploring Operation: 41-41=0, Resulting Numbers: [58, 0] Generated Node #0,4,1: 13:[58, 0] Operation: 41-41=0 Exploring Operation: 58-41=17, Resulting Numbers: [41, 17] Generated Node #0,4,2: 13:[41, 17] Operation: 58-41=17 Exploring Operation: 58+41=99, Resulting Numbers: [41, 99] Generated Node #0,4,3: 13:[41, 99] Operation: 58+41=99 Exploring Operation: 58-41=17, Resulting Numbers: [41, 17] Generated Node #0,4,4: 13:[41, 17] Operation: 58-41=17 Moving to Node #0,4,2 Current State: 13:[41, 17], Operations: ['89-48=41', '58-41=17'] Exploring Operation: 41*17=697, Resulting Numbers: [697] 697,13 unequal: No Solution Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,13 unequal: No Solution Moving to Node #0,4,4 Current State: 13:[41, 17], Operations: ['89-48=41', '58-41=17'] Exploring Operation: 41*17=697, Resulting Numbers: [697] 697,13 unequal: No Solution Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 41+17=58, Resulting Numbers: [58] 58,13 unequal: No Solution Moving to Node #0,4,0 Current State: 13:[58, 1], Operations: ['89-48=41', '41/41=1'] Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,13 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,13 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,13 unequal: No Solution Moving to Node #0,4,1 Current State: 13:[58, 0], Operations: ['89-48=41', '41-41=0'] Exploring Operation: 58-0=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 58*0=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 58+0=58, Resulting Numbers: [58] 58,13 unequal: No Solution Moving to Node #0,4,3 Current State: 13:[41, 99], Operations: ['89-48=41', '58+41=99'] Exploring Operation: 41*99=4059, Resulting Numbers: [4059] 4059,13 unequal: No Solution Exploring Operation: 41+99=140, Resulting Numbers: [140] 140,13 unequal: No Solution Exploring Operation: 99-41=58, Resulting Numbers: [58] 58,13 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 Current State: 13:[89, 41, 10], Operations: ['58-48=10'] Exploring Operation: 89-41=48, Resulting Numbers: [10, 48] Generated Node #0,3,0: 13:[10, 48] Operation: 89-41=48 Exploring Operation: 89-10=79, Resulting Numbers: [41, 79] Generated Node #0,3,1: 13:[41, 79] Operation: 89-10=79 Exploring Operation: 41-10=31, Resulting Numbers: [89, 31] Generated Node #0,3,2: 13:[89, 31] Operation: 41-10=31 Exploring Operation: 89+10=99, Resulting Numbers: [41, 99] Generated Node #0,3,3: 13:[41, 99] Operation: 89+10=99 Exploring Operation: 41+10=51, Resulting Numbers: [89, 51] Generated Node #0,3,4: 13:[89, 51] Operation: 41+10=51 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 13:[10, 48], Operations: ['58-48=10', '89-41=48'] Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 10+48=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 10*48=480, Resulting Numbers: [480] 480,13 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 #0,3,1 Current State: 13:[41, 79], Operations: ['58-48=10', '89-10=79'] Exploring Operation: 41*79=3239, Resulting Numbers: [3239] 3239,13 unequal: No Solution Exploring Operation: 41+79=120, Resulting Numbers: [120] 120,13 unequal: No Solution Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,13 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 #0,3,2 Current State: 13:[89, 31], Operations: ['58-48=10', '41-10=31'] Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 89+31=120, Resulting Numbers: [120] 120,13 unequal: No Solution Exploring Operation: 89*31=2759, Resulting Numbers: [2759] 2759,13 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 #0,3,3 Current State: 13:[41, 99], Operations: ['58-48=10', '89+10=99'] Exploring Operation: 41*99=4059, Resulting Numbers: [4059] 4059,13 unequal: No Solution Exploring Operation: 41+99=140, Resulting Numbers: [140] 140,13 unequal: No Solution Exploring Operation: 99-41=58, Resulting Numbers: [58] 58,13 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 #0,3,4 Current State: 13:[89, 51], Operations: ['58-48=10', '41+10=51'] Exploring Operation: 89+51=140, Resulting Numbers: [140] 140,13 unequal: No Solution Exploring Operation: 89*51=4539, Resulting Numbers: [4539] 4539,13 unequal: No Solution Exploring Operation: 89-51=38, Resulting Numbers: [38] 38,13 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 #0,0 Current State: 13:[48, 89, 17], Operations: ['58-41=17'] Exploring Operation: 48+17=65, Resulting Numbers: [89, 65] Generated Node #0,0,0: 13:[89, 65] Operation: 48+17=65 Exploring Operation: 89-17=72, Resulting Numbers: [48, 72] Generated Node #0,0,1: 13:[48, 72] Operation: 89-17=72 Exploring Operation: 48+89=137, Resulting Numbers: [17, 137] Generated Node #0,0,2: 13:[17, 137] Operation: 48+89=137 Exploring Operation: 89-48=41, Resulting Numbers: [17, 41] Generated Node #0,0,3: 13:[17, 41] Operation: 89-48=41 Exploring Operation: 48-17=31, Resulting Numbers: [89, 31] Generated Node #0,0,4: 13:[89, 31] Operation: 48-17=31 Moving to Node #0,0,3 Current State: 13:[17, 41], Operations: ['58-41=17', '89-48=41'] Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 17*41=697, Resulting Numbers: [697] 697,13 unequal: No Solution Exploring Operation: 17+41=58, Resulting Numbers: [58] 58,13 unequal: No Solution Moving to Node #0,0,4 Current State: 13:[89, 31], Operations: ['58-41=17', '48-17=31'] Exploring Operation: 89+31=120, Resulting Numbers: [120] 120,13 unequal: No Solution Exploring Operation: 89*31=2759, Resulting Numbers: [2759] 2759,13 unequal: No Solution Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,13 unequal: No Solution Moving to Node #0,0,1 Current State: 13:[48, 72], Operations: ['58-41=17', '89-17=72'] Exploring Operation: 48+72=120, Resulting Numbers: [120] 120,13 unequal: No Solution Exploring Operation: 48*72=3456, Resulting Numbers: [3456] 3456,13 unequal: No Solution Exploring Operation: 72-48=24, Resulting Numbers: [24] 24,13 unequal: No Solution Moving to Node #0,0,0 Current State: 13:[89, 65], Operations: ['58-41=17', '48+17=65'] Exploring Operation: 89+65=154, Resulting Numbers: [154] 154,13 unequal: No Solution Exploring Operation: 89-65=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 89*65=5785, Resulting Numbers: [5785] 5785,13 unequal: No Solution Moving to Node #0,0,2 Current State: 13:[17, 137], Operations: ['58-41=17', '48+89=137'] Exploring Operation: 17+137=154, Resulting Numbers: [154] 154,13 unequal: No Solution Exploring Operation: 17*137=2329, Resulting Numbers: [2329] 2329,13 unequal: No Solution Exploring Operation: 137-17=120, Resulting Numbers: [120] 120,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 13:[48, 58, 48], Operations: ['89-41=48'] Exploring Operation: 48+58=106, Resulting Numbers: [48, 106] Generated Node #0,1,0: 13:[48, 106] Operation: 48+58=106 Exploring Operation: 58-48=10, Resulting Numbers: [48, 10] Generated Node #0,1,1: 13:[48, 10] Operation: 58-48=10 Exploring Operation: 48-48=0, Resulting Numbers: [58, 0] Generated Node #0,1,2: 13:[58, 0] Operation: 48-48=0 Exploring Operation: 58-48=10, Resulting Numbers: [48, 10] Generated Node #0,1,3: 13:[48, 10] Operation: 58-48=10 Exploring Operation: 48/48=1, Resulting Numbers: [58, 1] Generated Node #0,1,4: 13:[58, 1] Operation: 48/48=1 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 13:[48, 10], Operations: ['89-41=48', '58-48=10'] Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 48*10=480, Resulting Numbers: [480] 480,13 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 13:[48, 10], Operations: ['89-41=48', '58-48=10'] Exploring Operation: 48*10=480, Resulting Numbers: [480] 480,13 unequal: No Solution Exploring Operation: 48-10=38, Resulting Numbers: [38] 38,13 unequal: No Solution Exploring Operation: 48+10=58, Resulting Numbers: [58] 58,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 13:[58, 1], Operations: ['89-41=48', '48/48=1'] Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,13 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 13:[58, 0], Operations: ['89-41=48', '48-48=0'] Exploring Operation: 58+0=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 58*0=0, Resulting Numbers: [0] 0,13 unequal: No Solution Exploring Operation: 58-0=58, Resulting Numbers: [58] 58,13 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 13:[48, 106], Operations: ['89-41=48', '48+58=106'] Exploring Operation: 48*106=5088, Resulting Numbers: [5088] 5088,13 unequal: No Solution Exploring Operation: 48+106=154, Resulting Numbers: [154] 154,13 unequal: No Solution Exploring Operation: 106-48=58, Resulting Numbers: [58] 58,13 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 No solution found.
0
hs_5
sum_heuristic
[ 91, 33, 24, 3 ]
64
[ "91-3=88", "24*88=2112", "2112/33=64" ]
Current State: 64:[91, 33, 24, 3], Operations: [] Exploring Operation: 91-3=88, Resulting Numbers: [33, 24, 88] Generated Node #2: [33, 24, 88] from Operation: 91-3=88 Current State: 64:[33, 24, 88], Operations: ['91-3=88'] Exploring Operation: 24*88=2112, Resulting Numbers: [33, 2112] Generated Node #3: [33, 2112] from Operation: 24*88=2112 Current State: 64:[33, 2112], Operations: ['91-3=88', '24*88=2112'] Exploring Operation: 2112/33=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[91, 33, 24, 3], Operations: [] Exploring Operation: 91-3=88, Resulting Numbers: [33, 24, 88] Generated Node #0,0: 64:[33, 24, 88] Operation: 91-3=88 Exploring Operation: 91-33=58, Resulting Numbers: [24, 3, 58] Generated Node #0,1: 64:[24, 3, 58] Operation: 91-33=58 Exploring Operation: 24/3=8, Resulting Numbers: [91, 33, 8] Generated Node #0,2: 64:[91, 33, 8] Operation: 24/3=8 Exploring Operation: 33-24=9, Resulting Numbers: [91, 3, 9] Generated Node #0,3: 64:[91, 3, 9] Operation: 33-24=9 Exploring Operation: 91-24=67, Resulting Numbers: [33, 3, 67] Generated Node #0,4: 64:[33, 3, 67] Operation: 91-24=67 Moving to Node #0,4 Current State: 64:[33, 3, 67], Operations: ['91-24=67'] Exploring Operation: 33+3=36, Resulting Numbers: [67, 36] Generated Node #0,4,0: 64:[67, 36] Operation: 33+3=36 Exploring Operation: 67-3=64, Resulting Numbers: [33, 64] Generated Node #0,4,1: 64:[33, 64] Operation: 67-3=64 Exploring Operation: 33-3=30, Resulting Numbers: [67, 30] Generated Node #0,4,2: 64:[67, 30] Operation: 33-3=30 Exploring Operation: 33/3=11, Resulting Numbers: [67, 11] Generated Node #0,4,3: 64:[67, 11] Operation: 33/3=11 Exploring Operation: 67-33=34, Resulting Numbers: [3, 34] Generated Node #0,4,4: 64:[3, 34] Operation: 67-33=34 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 64:[33, 64], Operations: ['91-24=67', '67-3=64'] Exploring Operation: 33+64=97, Resulting Numbers: [97] 97,64 unequal: No Solution Exploring Operation: 33*64=2112, Resulting Numbers: [2112] 2112,64 unequal: No Solution Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,64 unequal: No Solution No 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: 64:[3, 34], Operations: ['91-24=67', '67-33=34'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,64 unequal: No Solution Exploring Operation: 3*34=102, Resulting Numbers: [102] 102,64 unequal: No Solution Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,64 unequal: No Solution No 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: 64:[67, 30], Operations: ['91-24=67', '33-3=30'] Exploring Operation: 67*30=2010, Resulting Numbers: [2010] 2010,64 unequal: No Solution Exploring Operation: 67-30=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 67+30=97, Resulting Numbers: [97] 97,64 unequal: No Solution No 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: 64:[67, 11], Operations: ['91-24=67', '33/3=11'] Exploring Operation: 67+11=78, Resulting Numbers: [78] 78,64 unequal: No Solution Exploring Operation: 67*11=737, Resulting Numbers: [737] 737,64 unequal: No Solution Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,64 unequal: No Solution No 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: 64:[67, 36], Operations: ['91-24=67', '33+3=36'] Exploring Operation: 67*36=2412, Resulting Numbers: [2412] 2412,64 unequal: No Solution Exploring Operation: 67+36=103, Resulting Numbers: [103] 103,64 unequal: No Solution Exploring Operation: 67-36=31, Resulting Numbers: [31] 31,64 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: 64:[24, 3, 58], Operations: ['91-33=58'] Exploring Operation: 3+58=61, Resulting Numbers: [24, 61] Generated Node #0,1,0: 64:[24, 61] Operation: 3+58=61 Exploring Operation: 24-3=21, Resulting Numbers: [58, 21] Generated Node #0,1,1: 64:[58, 21] Operation: 24-3=21 Exploring Operation: 24+3=27, Resulting Numbers: [58, 27] Generated Node #0,1,2: 64:[58, 27] Operation: 24+3=27 Exploring Operation: 24/3=8, Resulting Numbers: [58, 8] Generated Node #0,1,3: 64:[58, 8] Operation: 24/3=8 Exploring Operation: 58-24=34, Resulting Numbers: [3, 34] Generated Node #0,1,4: 64:[3, 34] Operation: 58-24=34 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 64:[3, 34], Operations: ['91-33=58', '58-24=34'] Exploring Operation: 3*34=102, Resulting Numbers: [102] 102,64 unequal: No Solution Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,64 unequal: No Solution No 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: 64:[58, 8], Operations: ['91-33=58', '24/3=8'] Exploring Operation: 58*8=464, Resulting Numbers: [464] 464,64 unequal: No Solution Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,64 unequal: No Solution No 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: 64:[24, 61], Operations: ['91-33=58', '3+58=61'] Exploring Operation: 61-24=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 24*61=1464, Resulting Numbers: [1464] 1464,64 unequal: No Solution Exploring Operation: 24+61=85, Resulting Numbers: [85] 85,64 unequal: No Solution No 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: 64:[58, 21], Operations: ['91-33=58', '24-3=21'] Exploring Operation: 58*21=1218, Resulting Numbers: [1218] 1218,64 unequal: No Solution Exploring Operation: 58-21=37, Resulting Numbers: [37] 37,64 unequal: No Solution Exploring Operation: 58+21=79, Resulting Numbers: [79] 79,64 unequal: No Solution No 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: 64:[58, 27], Operations: ['91-33=58', '24+3=27'] Exploring Operation: 58*27=1566, Resulting Numbers: [1566] 1566,64 unequal: No Solution Exploring Operation: 58-27=31, Resulting Numbers: [31] 31,64 unequal: No Solution Exploring Operation: 58+27=85, Resulting Numbers: [85] 85,64 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: 64:[91, 33, 8], Operations: ['24/3=8'] Exploring Operation: 91-8=83, Resulting Numbers: [33, 83] Generated Node #0,2,0: 64:[33, 83] Operation: 91-8=83 Exploring Operation: 91+8=99, Resulting Numbers: [33, 99] Generated Node #0,2,1: 64:[33, 99] Operation: 91+8=99 Exploring Operation: 91-33=58, Resulting Numbers: [8, 58] Generated Node #0,2,2: 64:[8, 58] Operation: 91-33=58 Exploring Operation: 33-8=25, Resulting Numbers: [91, 25] Generated Node #0,2,3: 64:[91, 25] Operation: 33-8=25 Exploring Operation: 33+8=41, Resulting Numbers: [91, 41] Generated Node #0,2,4: 64:[91, 41] Operation: 33+8=41 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 64:[8, 58], Operations: ['24/3=8', '91-33=58'] Exploring Operation: 8*58=464, Resulting Numbers: [464] 464,64 unequal: No Solution Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 8+58=66, Resulting Numbers: [66] 66,64 unequal: No Solution No 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: 64:[33, 83], Operations: ['24/3=8', '91-8=83'] Exploring Operation: 83-33=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 33+83=116, Resulting Numbers: [116] 116,64 unequal: No Solution Exploring Operation: 33*83=2739, Resulting Numbers: [2739] 2739,64 unequal: No Solution No 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: 64:[91, 25], Operations: ['24/3=8', '33-8=25'] Exploring Operation: 91+25=116, Resulting Numbers: [116] 116,64 unequal: No Solution Exploring Operation: 91-25=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 91*25=2275, Resulting Numbers: [2275] 2275,64 unequal: No Solution No 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: 64:[33, 99], Operations: ['24/3=8', '91+8=99'] Exploring Operation: 33+99=132, Resulting Numbers: [132] 132,64 unequal: No Solution Exploring Operation: 99-33=66, Resulting Numbers: [66] 66,64 unequal: No Solution Exploring Operation: 99/33=3, Resulting Numbers: [3] 3,64 unequal: No Solution Exploring Operation: 33*99=3267, Resulting Numbers: [3267] 3267,64 unequal: No Solution No 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: 64:[91, 41], Operations: ['24/3=8', '33+8=41'] Exploring Operation: 91-41=50, Resulting Numbers: [50] 50,64 unequal: No Solution Exploring Operation: 91*41=3731, Resulting Numbers: [3731] 3731,64 unequal: No Solution Exploring Operation: 91+41=132, Resulting Numbers: [132] 132,64 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: 64:[91, 3, 9], Operations: ['33-24=9'] Exploring Operation: 9-3=6, Resulting Numbers: [91, 6] Generated Node #0,3,0: 64:[91, 6] Operation: 9-3=6 Exploring Operation: 91+3=94, Resulting Numbers: [9, 94] Generated Node #0,3,1: 64:[9, 94] Operation: 91+3=94 Exploring Operation: 91-9=82, Resulting Numbers: [3, 82] Generated Node #0,3,2: 64:[3, 82] Operation: 91-9=82 Exploring Operation: 91-3=88, Resulting Numbers: [9, 88] Generated Node #0,3,3: 64:[9, 88] Operation: 91-3=88 Exploring Operation: 9/3=3, Resulting Numbers: [91, 3] Generated Node #0,3,4: 64:[91, 3] Operation: 9/3=3 Moving to Node #0,0 Current State: 64:[33, 24, 88], Operations: ['91-3=88'] Exploring Operation: 88-24=64, Resulting Numbers: [33, 64] Generated Node #0,0,0: 64:[33, 64] Operation: 88-24=64 Exploring Operation: 33+24=57, Resulting Numbers: [88, 57] Generated Node #0,0,1: 64:[88, 57] Operation: 33+24=57 Exploring Operation: 33-24=9, Resulting Numbers: [88, 9] Generated Node #0,0,2: 64:[88, 9] Operation: 33-24=9 Exploring Operation: 24+88=112, Resulting Numbers: [33, 112] Generated Node #0,0,3: 64:[33, 112] Operation: 24+88=112 Exploring Operation: 88-33=55, Resulting Numbers: [24, 55] Generated Node #0,0,4: 64:[24, 55] Operation: 88-33=55 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 64:[33, 64], Operations: ['91-3=88', '88-24=64'] Exploring Operation: 64-33=31, Resulting Numbers: [31] 31,64 unequal: No Solution Exploring Operation: 33+64=97, Resulting Numbers: [97] 97,64 unequal: No Solution Exploring Operation: 33*64=2112, Resulting Numbers: [2112] 2112,64 unequal: No Solution No 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: 64:[24, 55], Operations: ['91-3=88', '88-33=55'] Exploring Operation: 24+55=79, Resulting Numbers: [79] 79,64 unequal: No Solution Exploring Operation: 55-24=31, Resulting Numbers: [31] 31,64 unequal: No Solution Exploring Operation: 24*55=1320, Resulting Numbers: [1320] 1320,64 unequal: No Solution No 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: 64:[88, 9], Operations: ['91-3=88', '33-24=9'] Exploring Operation: 88*9=792, Resulting Numbers: [792] 792,64 unequal: No Solution Exploring Operation: 88+9=97, Resulting Numbers: [97] 97,64 unequal: No Solution Exploring Operation: 88-9=79, Resulting Numbers: [79] 79,64 unequal: No Solution No 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: 64:[88, 57], Operations: ['91-3=88', '33+24=57'] Exploring Operation: 88+57=145, Resulting Numbers: [145] 145,64 unequal: No Solution Exploring Operation: 88-57=31, Resulting Numbers: [31] 31,64 unequal: No Solution Exploring Operation: 88*57=5016, Resulting Numbers: [5016] 5016,64 unequal: No Solution No 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: 64:[33, 112], Operations: ['91-3=88', '24+88=112'] Exploring Operation: 33+112=145, Resulting Numbers: [145] 145,64 unequal: No Solution Exploring Operation: 33*112=3696, Resulting Numbers: [3696] 3696,64 unequal: No Solution Exploring Operation: 112-33=79, Resulting Numbers: [79] 79,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 64:[3, 82], Operations: ['33-24=9', '91-9=82'] Exploring Operation: 82-3=79, Resulting Numbers: [79] 79,64 unequal: No Solution Exploring Operation: 3*82=246, Resulting Numbers: [246] 246,64 unequal: No Solution Exploring Operation: 3+82=85, Resulting Numbers: [85] 85,64 unequal: No Solution Moving to Node #0,3,3 Current State: 64:[9, 88], Operations: ['33-24=9', '91-3=88'] Exploring Operation: 9*88=792, Resulting Numbers: [792] 792,64 unequal: No Solution Exploring Operation: 9+88=97, Resulting Numbers: [97] 97,64 unequal: No Solution Exploring Operation: 88-9=79, Resulting Numbers: [79] 79,64 unequal: No Solution Moving to Node #0,3,4 Current State: 64:[91, 3], Operations: ['33-24=9', '9/3=3'] Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,64 unequal: No Solution Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,64 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,64 unequal: No Solution Moving to Node #0,3,0 Current State: 64:[91, 6], Operations: ['33-24=9', '9-3=6'] Exploring Operation: 91*6=546, Resulting Numbers: [546] 546,64 unequal: No Solution Exploring Operation: 91-6=85, Resulting Numbers: [85] 85,64 unequal: No Solution Exploring Operation: 91+6=97, Resulting Numbers: [97] 97,64 unequal: No Solution Moving to Node #0,3,1 Current State: 64:[9, 94], Operations: ['33-24=9', '91+3=94'] Exploring Operation: 94-9=85, Resulting Numbers: [85] 85,64 unequal: No Solution Exploring Operation: 9*94=846, Resulting Numbers: [846] 846,64 unequal: No Solution Exploring Operation: 9+94=103, Resulting Numbers: [103] 103,64 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 66, 3, 67, 52 ]
61
[ "67-52=15", "15/3=5", "66-5=61" ]
Current State: 61:[66, 3, 67, 52], Operations: [] Exploring Operation: 67-52=15, Resulting Numbers: [66, 3, 15] Generated Node #2: [66, 3, 15] from Operation: 67-52=15 Current State: 61:[66, 3, 15], Operations: ['67-52=15'] Exploring Operation: 15/3=5, Resulting Numbers: [66, 5] Generated Node #3: [66, 5] from Operation: 15/3=5 Current State: 61:[66, 5], Operations: ['67-52=15', '15/3=5'] Exploring Operation: 66-5=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[66, 3, 67, 52], Operations: [] Exploring Operation: 3+67=70, Resulting Numbers: [66, 52, 70] Generated Node #0,0: 61:[66, 52, 70] Operation: 3+67=70 Exploring Operation: 67-3=64, Resulting Numbers: [66, 52, 64] Generated Node #0,1: 61:[66, 52, 64] Operation: 67-3=64 Exploring Operation: 66-3=63, Resulting Numbers: [67, 52, 63] Generated Node #0,2: 61:[67, 52, 63] Operation: 66-3=63 Exploring Operation: 3+52=55, Resulting Numbers: [66, 67, 55] Generated Node #0,3: 61:[66, 67, 55] Operation: 3+52=55 Exploring Operation: 66+3=69, Resulting Numbers: [67, 52, 69] Generated Node #0,4: 61:[67, 52, 69] Operation: 66+3=69 Start Sub Search at level 1: Moving to Node #0,1 Current State: 61:[66, 52, 64], Operations: ['67-3=64'] Exploring Operation: 52+64=116, Resulting Numbers: [66, 116] Generated Node #0,1,0: 61:[66, 116] Operation: 52+64=116 Exploring Operation: 66+52=118, Resulting Numbers: [64, 118] Generated Node #0,1,1: 61:[64, 118] Operation: 66+52=118 Exploring Operation: 66-52=14, Resulting Numbers: [64, 14] Generated Node #0,1,2: 61:[64, 14] Operation: 66-52=14 Exploring Operation: 64-52=12, Resulting Numbers: [66, 12] Generated Node #0,1,3: 61:[66, 12] Operation: 64-52=12 Exploring Operation: 66-64=2, Resulting Numbers: [52, 2] Generated Node #0,1,4: 61:[52, 2] Operation: 66-64=2 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 61:[64, 14], Operations: ['67-3=64', '66-52=14'] Exploring Operation: 64*14=896, Resulting Numbers: [896] 896,61 unequal: No Solution Exploring Operation: 64+14=78, Resulting Numbers: [78] 78,61 unequal: No Solution Exploring Operation: 64-14=50, Resulting Numbers: [50] 50,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 61:[66, 12], Operations: ['67-3=64', '64-52=12'] Exploring Operation: 66+12=78, Resulting Numbers: [78] 78,61 unequal: No Solution Exploring Operation: 66*12=792, Resulting Numbers: [792] 792,61 unequal: No Solution Exploring Operation: 66-12=54, Resulting Numbers: [54] 54,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 61:[66, 116], Operations: ['67-3=64', '52+64=116'] Exploring Operation: 66*116=7656, Resulting Numbers: [7656] 7656,61 unequal: No Solution Exploring Operation: 66+116=182, Resulting Numbers: [182] 182,61 unequal: No Solution Exploring Operation: 116-66=50, Resulting Numbers: [50] 50,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 61:[64, 118], Operations: ['67-3=64', '66+52=118'] Exploring Operation: 118-64=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 64*118=7552, Resulting Numbers: [7552] 7552,61 unequal: No Solution Exploring Operation: 64+118=182, Resulting Numbers: [182] 182,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 61:[52, 2], Operations: ['67-3=64', '66-64=2'] Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,61 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,61 unequal: No Solution Exploring Operation: 52*2=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[67, 52, 63], Operations: ['66-3=63'] Exploring Operation: 67+52=119, Resulting Numbers: [63, 119] Generated Node #0,2,0: 61:[63, 119] Operation: 67+52=119 Exploring Operation: 67-63=4, Resulting Numbers: [52, 4] Generated Node #0,2,1: 61:[52, 4] Operation: 67-63=4 Exploring Operation: 67-52=15, Resulting Numbers: [63, 15] Generated Node #0,2,2: 61:[63, 15] Operation: 67-52=15 Exploring Operation: 52+63=115, Resulting Numbers: [67, 115] Generated Node #0,2,3: 61:[67, 115] Operation: 52+63=115 Exploring Operation: 63-52=11, Resulting Numbers: [67, 11] Generated Node #0,2,4: 61:[67, 11] Operation: 63-52=11 Moving to Node #0,2,2 Current State: 61:[63, 15], Operations: ['66-3=63', '67-52=15'] Exploring Operation: 63-15=48, Resulting Numbers: [48] 48,61 unequal: No Solution Exploring Operation: 63+15=78, Resulting Numbers: [78] 78,61 unequal: No Solution Exploring Operation: 63*15=945, Resulting Numbers: [945] 945,61 unequal: No Solution Moving to Node #0,2,4 Current State: 61:[67, 11], Operations: ['66-3=63', '63-52=11'] Exploring Operation: 67*11=737, Resulting Numbers: [737] 737,61 unequal: No Solution Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,61 unequal: No Solution Exploring Operation: 67+11=78, Resulting Numbers: [78] 78,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[63, 119], Operations: ['66-3=63', '67+52=119'] Exploring Operation: 63*119=7497, Resulting Numbers: [7497] 7497,61 unequal: No Solution Exploring Operation: 119-63=56, Resulting Numbers: [56] 56,61 unequal: No Solution Exploring Operation: 63+119=182, Resulting Numbers: [182] 182,61 unequal: No Solution Moving to Node #0,2,3 Current State: 61:[67, 115], Operations: ['66-3=63', '52+63=115'] Exploring Operation: 67*115=7705, Resulting Numbers: [7705] 7705,61 unequal: No Solution Exploring Operation: 67+115=182, Resulting Numbers: [182] 182,61 unequal: No Solution Exploring Operation: 115-67=48, Resulting Numbers: [48] 48,61 unequal: No Solution Moving to Node #0,2,1 Current State: 61:[52, 4], Operations: ['66-3=63', '67-63=4'] Exploring Operation: 52*4=208, Resulting Numbers: [208] 208,61 unequal: No Solution Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,61 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,61 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 Current State: 61:[66, 67, 55], Operations: ['3+52=55'] Exploring Operation: 66+55=121, Resulting Numbers: [67, 121] Generated Node #0,3,0: 61:[67, 121] Operation: 66+55=121 Exploring Operation: 67-55=12, Resulting Numbers: [66, 12] Generated Node #0,3,1: 61:[66, 12] Operation: 67-55=12 Exploring Operation: 67+55=122, Resulting Numbers: [66, 122] Generated Node #0,3,2: 61:[66, 122] Operation: 67+55=122 Exploring Operation: 67-66=1, Resulting Numbers: [55, 1] Generated Node #0,3,3: 61:[55, 1] Operation: 67-66=1 Exploring Operation: 66-55=11, Resulting Numbers: [67, 11] Generated Node #0,3,4: 61:[67, 11] Operation: 66-55=11 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 61:[66, 12], Operations: ['3+52=55', '67-55=12'] Exploring Operation: 66*12=792, Resulting Numbers: [792] 792,61 unequal: No Solution Exploring Operation: 66-12=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 66+12=78, Resulting Numbers: [78] 78,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 61:[67, 11], Operations: ['3+52=55', '66-55=11'] Exploring Operation: 67-11=56, Resulting Numbers: [56] 56,61 unequal: No Solution Exploring Operation: 67*11=737, Resulting Numbers: [737] 737,61 unequal: No Solution Exploring Operation: 67+11=78, Resulting Numbers: [78] 78,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 61:[67, 121], Operations: ['3+52=55', '66+55=121'] Exploring Operation: 67+121=188, Resulting Numbers: [188] 188,61 unequal: No Solution Exploring Operation: 121-67=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 67*121=8107, Resulting Numbers: [8107] 8107,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 61:[66, 122], Operations: ['3+52=55', '67+55=122'] Exploring Operation: 122-66=56, Resulting Numbers: [56] 56,61 unequal: No Solution Exploring Operation: 66*122=8052, Resulting Numbers: [8052] 8052,61 unequal: No Solution Exploring Operation: 66+122=188, Resulting Numbers: [188] 188,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 61:[55, 1], Operations: ['3+52=55', '67-66=1'] Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,61 unequal: No Solution Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,61 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[66, 52, 70], Operations: ['3+67=70'] Exploring Operation: 70-52=18, Resulting Numbers: [66, 18] Generated Node #0,0,0: 61:[66, 18] Operation: 70-52=18 Exploring Operation: 66-52=14, Resulting Numbers: [70, 14] Generated Node #0,0,1: 61:[70, 14] Operation: 66-52=14 Exploring Operation: 66+52=118, Resulting Numbers: [70, 118] Generated Node #0,0,2: 61:[70, 118] Operation: 66+52=118 Exploring Operation: 70-66=4, Resulting Numbers: [52, 4] Generated Node #0,0,3: 61:[52, 4] Operation: 70-66=4 Exploring Operation: 52+70=122, Resulting Numbers: [66, 122] Generated Node #0,0,4: 61:[66, 122] Operation: 52+70=122 Moving to Node #0,0,0 Current State: 61:[66, 18], Operations: ['3+67=70', '70-52=18'] Exploring Operation: 66-18=48, Resulting Numbers: [48] 48,61 unequal: No Solution Exploring Operation: 66+18=84, Resulting Numbers: [84] 84,61 unequal: No Solution Exploring Operation: 66*18=1188, Resulting Numbers: [1188] 1188,61 unequal: No Solution Moving to Node #0,0,1 Current State: 61:[70, 14], Operations: ['3+67=70', '66-52=14'] Exploring Operation: 70+14=84, Resulting Numbers: [84] 84,61 unequal: No Solution Exploring Operation: 70-14=56, Resulting Numbers: [56] 56,61 unequal: No Solution Exploring Operation: 70/14=5, Resulting Numbers: [5] 5,61 unequal: No Solution Exploring Operation: 70*14=980, Resulting Numbers: [980] 980,61 unequal: No Solution Moving to Node #0,0,2 Current State: 61:[70, 118], Operations: ['3+67=70', '66+52=118'] Exploring Operation: 70*118=8260, Resulting Numbers: [8260] 8260,61 unequal: No Solution Exploring Operation: 70+118=188, Resulting Numbers: [188] 188,61 unequal: No Solution Exploring Operation: 118-70=48, Resulting Numbers: [48] 48,61 unequal: No Solution Moving to Node #0,0,3 Current State: 61:[52, 4], Operations: ['3+67=70', '70-66=4'] Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,61 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,61 unequal: No Solution Exploring Operation: 52*4=208, Resulting Numbers: [208] 208,61 unequal: No Solution Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,61 unequal: No Solution Moving to Node #0,0,4 Current State: 61:[66, 122], Operations: ['3+67=70', '52+70=122'] Exploring Operation: 66*122=8052, Resulting Numbers: [8052] 8052,61 unequal: No Solution Exploring Operation: 66+122=188, Resulting Numbers: [188] 188,61 unequal: No Solution Exploring Operation: 122-66=56, Resulting Numbers: [56] 56,61 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 #0,4 Current State: 61:[67, 52, 69], Operations: ['66+3=69'] Exploring Operation: 69-52=17, Resulting Numbers: [67, 17] Generated Node #0,4,0: 61:[67, 17] Operation: 69-52=17 Exploring Operation: 67+52=119, Resulting Numbers: [69, 119] Generated Node #0,4,1: 61:[69, 119] Operation: 67+52=119 Exploring Operation: 69-67=2, Resulting Numbers: [52, 2] Generated Node #0,4,2: 61:[52, 2] Operation: 69-67=2 Exploring Operation: 52+69=121, Resulting Numbers: [67, 121] Generated Node #0,4,3: 61:[67, 121] Operation: 52+69=121 Exploring Operation: 67-52=15, Resulting Numbers: [69, 15] Generated Node #0,4,4: 61:[69, 15] Operation: 67-52=15 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 61:[67, 17], Operations: ['66+3=69', '69-52=17'] Exploring Operation: 67*17=1139, Resulting Numbers: [1139] 1139,61 unequal: No Solution Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,61 unequal: No Solution Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 61:[69, 15], Operations: ['66+3=69', '67-52=15'] Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 69+15=84, Resulting Numbers: [84] 84,61 unequal: No Solution Exploring Operation: 69*15=1035, Resulting Numbers: [1035] 1035,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 61:[69, 119], Operations: ['66+3=69', '67+52=119'] Exploring Operation: 119-69=50, Resulting Numbers: [50] 50,61 unequal: No Solution Exploring Operation: 69+119=188, Resulting Numbers: [188] 188,61 unequal: No Solution Exploring Operation: 69*119=8211, Resulting Numbers: [8211] 8211,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 61:[67, 121], Operations: ['66+3=69', '52+69=121'] Exploring Operation: 67*121=8107, Resulting Numbers: [8107] 8107,61 unequal: No Solution Exploring Operation: 67+121=188, Resulting Numbers: [188] 188,61 unequal: No Solution Exploring Operation: 121-67=54, Resulting Numbers: [54] 54,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 61:[52, 2], Operations: ['66+3=69', '69-67=2'] Exploring Operation: 52*2=104, Resulting Numbers: [104] 104,61 unequal: No Solution Exploring Operation: 52-2=50, Resulting Numbers: [50] 50,61 unequal: No Solution Exploring Operation: 52+2=54, Resulting Numbers: [54] 54,61 unequal: No Solution Exploring Operation: 52/2=26, Resulting Numbers: [26] 26,61 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 96, 49, 90, 86 ]
51
[ "96-49=47", "90-86=4", "47+4=51" ]
Current State: 51:[96, 49, 90, 86], Operations: [] Exploring Operation: 96-49=47, Resulting Numbers: [90, 86, 47] Generated Node #2: [90, 86, 47] from Operation: 96-49=47 Current State: 51:[90, 86, 47], Operations: ['96-49=47'] Exploring Operation: 90-86=4, Resulting Numbers: [47, 4] Generated Node #3: [47, 4] from Operation: 90-86=4 Current State: 51:[47, 4], Operations: ['96-49=47', '90-86=4'] Exploring Operation: 47+4=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[96, 49, 90, 86], Operations: [] Exploring Operation: 96-86=10, Resulting Numbers: [49, 90, 10] Generated Node #0,0: 51:[49, 90, 10] Operation: 96-86=10 Exploring Operation: 96-90=6, Resulting Numbers: [49, 86, 6] Generated Node #0,1: 51:[49, 86, 6] Operation: 96-90=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[49, 86, 6], Operations: ['96-90=6'] Exploring Operation: 86-6=80, Resulting Numbers: [49, 80] Generated Node #0,1,0: 51:[49, 80] Operation: 86-6=80 Exploring Operation: 86-49=37, Resulting Numbers: [6, 37] Generated Node #0,1,1: 51:[6, 37] Operation: 86-49=37 Moving to Node #0,1,1 Current State: 51:[6, 37], Operations: ['96-90=6', '86-49=37'] Exploring Operation: 6+37=43, Resulting Numbers: [43] 43,51 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[49, 80], Operations: ['96-90=6', '86-6=80'] Exploring Operation: 80-49=31, Resulting Numbers: [31] 31,51 unequal: No Solution Exploring Operation: 49+80=129, Resulting Numbers: [129] 129,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[49, 90, 10], Operations: ['96-86=10'] Exploring Operation: 90/10=9, Resulting Numbers: [49, 9] Generated Node #0,0,0: 51:[49, 9] Operation: 90/10=9 Exploring Operation: 90-49=41, Resulting Numbers: [10, 41] Generated Node #0,0,1: 51:[10, 41] Operation: 90-49=41 Moving to Node #0,0,0 Current State: 51:[49, 9], Operations: ['96-86=10', '90/10=9'] Exploring Operation: 49-9=40, Resulting Numbers: [40] 40,51 unequal: No Solution Exploring Operation: 49+9=58, Resulting Numbers: [58] 58,51 unequal: No Solution Moving to Node #0,0,1 Current State: 51:[10, 41], Operations: ['96-86=10', '90-49=41'] Exploring Operation: 41-10=31, Resulting Numbers: [31] 31,51 unequal: No Solution Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[96, 49, 90, 86], Operations: [] Exploring Operation: 96-86=10, Resulting Numbers: [49, 90, 10] Generated Node #0,0: 51:[49, 90, 10] Operation: 96-86=10 Moving to Node #0,0 Current State: 51:[49, 90, 10], Operations: ['96-86=10'] Exploring Operation: 90-49=41, Resulting Numbers: [10, 41] Generated Node #0,0,1: 51:[10, 41] Operation: 90-49=41 Moving to Node #0,0,1 Current State: 51:[10, 41], Operations: ['96-86=10', '90-49=41'] Exploring Operation: 10+41=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 77, 8, 6, 18 ]
47
[ "77+18=95", "8*6=48", "95-48=47" ]
Current State: 47:[77, 8, 6, 18], Operations: [] Exploring Operation: 77+18=95, Resulting Numbers: [8, 6, 95] Generated Node #2: [8, 6, 95] from Operation: 77+18=95 Current State: 47:[8, 6, 95], Operations: ['77+18=95'] Exploring Operation: 8*6=48, Resulting Numbers: [95, 48] Generated Node #3: [95, 48] from Operation: 8*6=48 Current State: 47:[95, 48], Operations: ['77+18=95', '8*6=48'] Exploring Operation: 95-48=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[77, 8, 6, 18], Operations: [] Exploring Operation: 77-18=59, Resulting Numbers: [8, 6, 59] Generated Node #0,0: 47:[8, 6, 59] Operation: 77-18=59 Exploring Operation: 8*6=48, Resulting Numbers: [77, 18, 48] Generated Node #0,1: 47:[77, 18, 48] Operation: 8*6=48 Exploring Operation: 77-8=69, Resulting Numbers: [6, 18, 69] Generated Node #0,2: 47:[6, 18, 69] Operation: 77-8=69 Exploring Operation: 8+6=14, Resulting Numbers: [77, 18, 14] Generated Node #0,3: 47:[77, 18, 14] Operation: 8+6=14 Exploring Operation: 77-6=71, Resulting Numbers: [8, 18, 71] Generated Node #0,4: 47:[8, 18, 71] Operation: 77-6=71 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[77, 18, 48], Operations: ['8*6=48'] Exploring Operation: 18+48=66, Resulting Numbers: [77, 66] Generated Node #0,1,0: 47:[77, 66] Operation: 18+48=66 Exploring Operation: 77-48=29, Resulting Numbers: [18, 29] Generated Node #0,1,1: 47:[18, 29] Operation: 77-48=29 Exploring Operation: 48-18=30, Resulting Numbers: [77, 30] Generated Node #0,1,2: 47:[77, 30] Operation: 48-18=30 Exploring Operation: 77-18=59, Resulting Numbers: [48, 59] Generated Node #0,1,3: 47:[48, 59] Operation: 77-18=59 Exploring Operation: 77+18=95, Resulting Numbers: [48, 95] Generated Node #0,1,4: 47:[48, 95] Operation: 77+18=95 Moving to Node #0,1,3 Current State: 47:[48, 59], Operations: ['8*6=48', '77-18=59'] Exploring Operation: 59-48=11, Resulting Numbers: [11] 11,47 unequal: No Solution Exploring Operation: 48*59=2832, Resulting Numbers: [2832] 2832,47 unequal: No Solution Exploring Operation: 48+59=107, Resulting Numbers: [107] 107,47 unequal: No Solution Moving to Node #0,1,2 Current State: 47:[77, 30], Operations: ['8*6=48', '48-18=30'] Exploring Operation: 77+30=107, Resulting Numbers: [107] 107,47 unequal: No Solution Exploring Operation: 77*30=2310, Resulting Numbers: [2310] 2310,47 unequal: No Solution Exploring Operation: 77-30=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[77, 8, 6, 18], Operations: [] Exploring Operation: 8*6=48, Resulting Numbers: [77, 18, 48] Generated Node #0,1: 47:[77, 18, 48] Operation: 8*6=48 Moving to Node #0,1 Current State: 47:[77, 18, 48], Operations: ['8*6=48'] Exploring Operation: 48-18=30, Resulting Numbers: [77, 30] Generated Node #0,1,2: 47:[77, 30] Operation: 48-18=30 Moving to Node #0,1,2 Current State: 47:[77, 30], Operations: ['8*6=48', '48-18=30'] Exploring Operation: 77-30=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 55, 20, 10, 50 ]
14
[ "55-50=5", "20/5=4", "10+4=14" ]
Current State: 14:[55, 20, 10, 50], Operations: [] Exploring Operation: 55-50=5, Resulting Numbers: [20, 10, 5] Generated Node #2: [20, 10, 5] from Operation: 55-50=5 Current State: 14:[20, 10, 5], Operations: ['55-50=5'] Exploring Operation: 20/5=4, Resulting Numbers: [10, 4] Generated Node #3: [10, 4] from Operation: 20/5=4 Current State: 14:[10, 4], Operations: ['55-50=5', '20/5=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[55, 20, 10, 50], Operations: [] Exploring Operation: 55-50=5, Resulting Numbers: [20, 10, 5] Generated Node #0,0: 14:[20, 10, 5] Operation: 55-50=5 Exploring Operation: 50/10=5, Resulting Numbers: [55, 20, 5] Generated Node #0,1: 14:[55, 20, 5] Operation: 50/10=5 Moving to Node #0,0 Current State: 14:[20, 10, 5], Operations: ['55-50=5'] Exploring Operation: 20-5=15, Resulting Numbers: [10, 15] Generated Node #0,0,0: 14:[10, 15] Operation: 20-5=15 Exploring Operation: 20/10=2, Resulting Numbers: [5, 2] Generated Node #0,0,1: 14:[5, 2] Operation: 20/10=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 14:[5, 2], Operations: ['55-50=5', '20/10=2'] Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,14 unequal: No Solution Exploring Operation: 5+2=7, Resulting Numbers: [7] 7,14 unequal: No Solution No 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: 14:[10, 15], Operations: ['55-50=5', '20-5=15'] Exploring Operation: 15-10=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 10+15=25, Resulting Numbers: [25] 25,14 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: 14:[55, 20, 5], Operations: ['50/10=5'] Exploring Operation: 55-20=35, Resulting Numbers: [5, 35] Generated Node #0,1,0: 14:[5, 35] Operation: 55-20=35 Exploring Operation: 55/5=11, Resulting Numbers: [20, 11] Generated Node #0,1,1: 14:[20, 11] Operation: 55/5=11 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 14:[20, 11], Operations: ['50/10=5', '55/5=11'] Exploring Operation: 20+11=31, Resulting Numbers: [31] 31,14 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,14 unequal: No Solution No 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: 14:[5, 35], Operations: ['50/10=5', '55-20=35'] Exploring Operation: 35-5=30, Resulting Numbers: [30] 30,14 unequal: No Solution Exploring Operation: 35/5=7, Resulting Numbers: [7] 7,14 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
[ 43, 47, 80, 72 ]
82
[ "43+47=90", "80-72=8", "90-8=82" ]
Current State: 82:[43, 47, 80, 72], Operations: [] Exploring Operation: 43+47=90, Resulting Numbers: [80, 72, 90] Generated Node #2: [80, 72, 90] from Operation: 43+47=90 Current State: 82:[80, 72, 90], Operations: ['43+47=90'] Exploring Operation: 80-72=8, Resulting Numbers: [90, 8] Generated Node #3: [90, 8] from Operation: 80-72=8 Current State: 82:[90, 8], Operations: ['43+47=90', '80-72=8'] Exploring Operation: 90-8=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[43, 47, 80, 72], Operations: [] Exploring Operation: 80-72=8, Resulting Numbers: [43, 47, 8] Generated Node #0,0: 82:[43, 47, 8] Operation: 80-72=8 Exploring Operation: 47-43=4, Resulting Numbers: [80, 72, 4] Generated Node #0,1: 82:[80, 72, 4] Operation: 47-43=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[43, 47, 8], Operations: ['80-72=8'] Exploring Operation: 47-8=39, Resulting Numbers: [43, 39] Generated Node #0,0,0: 82:[43, 39] Operation: 47-8=39 Exploring Operation: 47-43=4, Resulting Numbers: [8, 4] Generated Node #0,0,1: 82:[8, 4] Operation: 47-43=4 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[43, 39], Operations: ['80-72=8', '47-8=39'] Exploring Operation: 43-39=4, Resulting Numbers: [4] 4,82 unequal: No Solution Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[43, 47, 80, 72], Operations: [] Exploring Operation: 80-72=8, Resulting Numbers: [43, 47, 8] Generated Node #0,0: 82:[43, 47, 8] Operation: 80-72=8 Moving to Node #0,0 Current State: 82:[43, 47, 8], Operations: ['80-72=8'] Exploring Operation: 47-8=39, Resulting Numbers: [43, 39] Generated Node #0,0,0: 82:[43, 39] Operation: 47-8=39 Moving to Node #0,0,0 Current State: 82:[43, 39], Operations: ['80-72=8', '47-8=39'] Exploring Operation: 43+39=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 75, 21, 62, 99 ]
65
[ "75+21=96", "62+99=161", "161-96=65" ]
Current State: 65:[75, 21, 62, 99], Operations: [] Exploring Operation: 75+21=96, Resulting Numbers: [62, 99, 96] Generated Node #2: [62, 99, 96] from Operation: 75+21=96 Current State: 65:[62, 99, 96], Operations: ['75+21=96'] Exploring Operation: 62+99=161, Resulting Numbers: [96, 161] Generated Node #3: [96, 161] from Operation: 62+99=161 Current State: 65:[96, 161], Operations: ['75+21=96', '62+99=161'] Exploring Operation: 161-96=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[75, 21, 62, 99], Operations: [] Exploring Operation: 99-75=24, Resulting Numbers: [21, 62, 24] Generated Node #0,0: 65:[21, 62, 24] Operation: 99-75=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[21, 62, 24], Operations: ['99-75=24'] Exploring Operation: 24-21=3, Resulting Numbers: [62, 3] Generated Node #0,0,0: 65:[62, 3] Operation: 24-21=3 Moving to Node #0,0,0 Current State: 65:[62, 3], Operations: ['99-75=24', '24-21=3'] Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Moving to Node #0 Current State: 65:[75, 21, 62, 99], Operations: [] Exploring Operation: 99-75=24, Resulting Numbers: [21, 62, 24] Generated Node #0,0: 65:[21, 62, 24] Operation: 99-75=24 Moving to Node #0,0 Current State: 65:[21, 62, 24], Operations: ['99-75=24'] Exploring Operation: 24-21=3, Resulting Numbers: [62, 3] Generated Node #0,0,0: 65:[62, 3] Operation: 24-21=3 Moving to Node #0,0,0 Current State: 65:[62, 3], Operations: ['99-75=24', '24-21=3'] Exploring Operation: 62+3=65, Resulting Numbers: [65] 65,65 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 20, 27, 27, 81 ]
29
[ "27*27=729", "729/81=9", "20+9=29" ]
Current State: 29:[20, 27, 27, 81], Operations: [] Exploring Operation: 27*27=729, Resulting Numbers: [20, 81, 729] Generated Node #2: [20, 81, 729] from Operation: 27*27=729 Current State: 29:[20, 81, 729], Operations: ['27*27=729'] Exploring Operation: 729/81=9, Resulting Numbers: [20, 9] Generated Node #3: [20, 9] from Operation: 729/81=9 Current State: 29:[20, 9], Operations: ['27*27=729', '729/81=9'] Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[20, 27, 27, 81], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [20, 27, 3] Generated Node #0,0: 29:[20, 27, 3] Operation: 81/27=3 Exploring Operation: 81/27=3, Resulting Numbers: [20, 27, 3] Generated Node #0,1: 29:[20, 27, 3] Operation: 81/27=3 Exploring Operation: 81-27=54, Resulting Numbers: [20, 27, 54] Generated Node #0,2: 29:[20, 27, 54] Operation: 81-27=54 Exploring Operation: 81-27=54, Resulting Numbers: [20, 27, 54] Generated Node #0,3: 29:[20, 27, 54] Operation: 81-27=54 Exploring Operation: 81-20=61, Resulting Numbers: [27, 27, 61] Generated Node #0,4: 29:[27, 27, 61] Operation: 81-20=61 Moving to Node #0,2 Current State: 29:[20, 27, 54], Operations: ['81-27=54'] Exploring Operation: 54-27=27, Resulting Numbers: [20, 27] Generated Node #0,2,0: 29:[20, 27] Operation: 54-27=27 Exploring Operation: 27-20=7, Resulting Numbers: [54, 7] Generated Node #0,2,1: 29:[54, 7] Operation: 27-20=7 Exploring Operation: 20+27=47, Resulting Numbers: [54, 47] Generated Node #0,2,2: 29:[54, 47] Operation: 20+27=47 Exploring Operation: 54-20=34, Resulting Numbers: [27, 34] Generated Node #0,2,3: 29:[27, 34] Operation: 54-20=34 Exploring Operation: 54/27=2, Resulting Numbers: [20, 2] Generated Node #0,2,4: 29:[20, 2] Operation: 54/27=2 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 29:[27, 34], Operations: ['81-27=54', '54-20=34'] Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 29:[20, 27], Operations: ['81-27=54', '54-27=27'] Exploring Operation: 20+27=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 20*27=540, Resulting Numbers: [540] 540,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 29:[20, 2], Operations: ['81-27=54', '54/27=2'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,29 unequal: No Solution Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,29 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 29:[54, 47], Operations: ['81-27=54', '20+27=47'] Exploring Operation: 54+47=101, Resulting Numbers: [101] 101,29 unequal: No Solution Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 54*47=2538, Resulting Numbers: [2538] 2538,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 29:[54, 7], Operations: ['81-27=54', '27-20=7'] Exploring Operation: 54*7=378, Resulting Numbers: [378] 378,29 unequal: No Solution Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,29 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: 29:[27, 27, 61], Operations: ['81-20=61'] Exploring Operation: 61-27=34, Resulting Numbers: [27, 34] Generated Node #0,4,0: 29:[27, 34] Operation: 61-27=34 Exploring Operation: 61-27=34, Resulting Numbers: [27, 34] Generated Node #0,4,1: 29:[27, 34] Operation: 61-27=34 Exploring Operation: 27+27=54, Resulting Numbers: [61, 54] Generated Node #0,4,2: 29:[61, 54] Operation: 27+27=54 Exploring Operation: 27-27=0, Resulting Numbers: [61, 0] Generated Node #0,4,3: 29:[61, 0] Operation: 27-27=0 Exploring Operation: 27/27=1, Resulting Numbers: [61, 1] Generated Node #0,4,4: 29:[61, 1] Operation: 27/27=1 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 29:[27, 34], Operations: ['81-20=61', '61-27=34'] Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,29 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 29:[27, 34], Operations: ['81-20=61', '61-27=34'] Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,29 unequal: No Solution Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 29:[61, 54], Operations: ['81-20=61', '27+27=54'] Exploring Operation: 61*54=3294, Resulting Numbers: [3294] 3294,29 unequal: No Solution Exploring Operation: 61+54=115, Resulting Numbers: [115] 115,29 unequal: No Solution Exploring Operation: 61-54=7, Resulting Numbers: [7] 7,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 29:[61, 1], Operations: ['81-20=61', '27/27=1'] Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,29 unequal: No Solution Exploring Operation: 61/1=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 61+1=62, Resulting Numbers: [62] 62,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 29:[61, 0], Operations: ['81-20=61', '27-27=0'] Exploring Operation: 61+0=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 61*0=0, Resulting Numbers: [0] 0,29 unequal: No Solution Exploring Operation: 61-0=61, Resulting Numbers: [61] 61,29 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: 29:[20, 27, 54], Operations: ['81-27=54'] Exploring Operation: 54-20=34, Resulting Numbers: [27, 34] Generated Node #0,3,0: 29:[27, 34] Operation: 54-20=34 Exploring Operation: 20+27=47, Resulting Numbers: [54, 47] Generated Node #0,3,1: 29:[54, 47] Operation: 20+27=47 Exploring Operation: 54/27=2, Resulting Numbers: [20, 2] Generated Node #0,3,2: 29:[20, 2] Operation: 54/27=2 Exploring Operation: 27-20=7, Resulting Numbers: [54, 7] Generated Node #0,3,3: 29:[54, 7] Operation: 27-20=7 Exploring Operation: 54-27=27, Resulting Numbers: [20, 27] Generated Node #0,3,4: 29:[20, 27] Operation: 54-27=27 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 29:[27, 34], Operations: ['81-27=54', '54-20=34'] Exploring Operation: 27*34=918, Resulting Numbers: [918] 918,29 unequal: No Solution Exploring Operation: 27+34=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 34-27=7, Resulting Numbers: [7] 7,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 29:[20, 27], Operations: ['81-27=54', '54-27=27'] Exploring Operation: 20*27=540, Resulting Numbers: [540] 540,29 unequal: No Solution Exploring Operation: 20+27=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 27-20=7, Resulting Numbers: [7] 7,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 29:[20, 2], Operations: ['81-27=54', '54/27=2'] Exploring Operation: 20*2=40, Resulting Numbers: [40] 40,29 unequal: No Solution Exploring Operation: 20/2=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,29 unequal: No Solution Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 29:[54, 47], Operations: ['81-27=54', '20+27=47'] Exploring Operation: 54*47=2538, Resulting Numbers: [2538] 2538,29 unequal: No Solution Exploring Operation: 54+47=101, Resulting Numbers: [101] 101,29 unequal: No Solution Exploring Operation: 54-47=7, Resulting Numbers: [7] 7,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 29:[54, 7], Operations: ['81-27=54', '27-20=7'] Exploring Operation: 54-7=47, Resulting Numbers: [47] 47,29 unequal: No Solution Exploring Operation: 54+7=61, Resulting Numbers: [61] 61,29 unequal: No Solution Exploring Operation: 54*7=378, Resulting Numbers: [378] 378,29 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: 29:[20, 27, 3], Operations: ['81/27=3'] Exploring Operation: 27-3=24, Resulting Numbers: [20, 24] Generated Node #0,0,0: 29:[20, 24] Operation: 27-3=24 Exploring Operation: 27/3=9, Resulting Numbers: [20, 9] Generated Node #0,0,1: 29:[20, 9] Operation: 27/3=9 Exploring Operation: 27+3=30, Resulting Numbers: [20, 30] Generated Node #0,0,2: 29:[20, 30] Operation: 27+3=30 Exploring Operation: 20-3=17, Resulting Numbers: [27, 17] Generated Node #0,0,3: 29:[27, 17] Operation: 20-3=17 Exploring Operation: 20+3=23, Resulting Numbers: [27, 23] Generated Node #0,0,4: 29:[27, 23] Operation: 20+3=23 Moving to Node #0,1 Current State: 29:[20, 27, 3], Operations: ['81/27=3'] Exploring Operation: 27/3=9, Resulting Numbers: [20, 9] Generated Node #0,1,0: 29:[20, 9] Operation: 27/3=9 Exploring Operation: 27-3=24, Resulting Numbers: [20, 24] Generated Node #0,1,1: 29:[20, 24] Operation: 27-3=24 Exploring Operation: 27+3=30, Resulting Numbers: [20, 30] Generated Node #0,1,2: 29:[20, 30] Operation: 27+3=30 Exploring Operation: 20+3=23, Resulting Numbers: [27, 23] Generated Node #0,1,3: 29:[27, 23] Operation: 20+3=23 Exploring Operation: 20-3=17, Resulting Numbers: [27, 17] Generated Node #0,1,4: 29:[27, 17] Operation: 20-3=17 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 29:[27, 23], Operations: ['81/27=3', '20+3=23'] Exploring Operation: 27*23=621, Resulting Numbers: [621] 621,29 unequal: No Solution Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 29:[20, 30], Operations: ['81/27=3', '27+3=30'] Exploring Operation: 20+30=50, Resulting Numbers: [50] 50,29 unequal: No Solution Exploring Operation: 30-20=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 20*30=600, Resulting Numbers: [600] 600,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 29:[20, 24], Operations: ['81/27=3', '27-3=24'] Exploring Operation: 20*24=480, Resulting Numbers: [480] 480,29 unequal: No Solution Exploring Operation: 20+24=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 29:[27, 17], Operations: ['81/27=3', '20-3=17'] Exploring Operation: 27*17=459, Resulting Numbers: [459] 459,29 unequal: No Solution Exploring Operation: 27+17=44, Resulting Numbers: [44] 44,29 unequal: No Solution Exploring Operation: 27-17=10, Resulting Numbers: [10] 10,29 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 29:[20, 9], Operations: ['81/27=3', '27/3=9'] Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,29 unequal: No Solution Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[20, 27, 27, 81], Operations: [] Exploring Operation: 81/27=3, Resulting Numbers: [20, 27, 3] Generated Node #0,1: 29:[20, 27, 3] Operation: 81/27=3 Moving to Node #0,1 Current State: 29:[20, 27, 3], Operations: ['81/27=3'] Exploring Operation: 27/3=9, Resulting Numbers: [20, 9] Generated Node #0,1,0: 29:[20, 9] Operation: 27/3=9 Moving to Node #0,1,0 Current State: 29:[20, 9], Operations: ['81/27=3', '27/3=9'] Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.916667
hs_5
mult_heuristic
[ 7, 61, 62, 25 ]
31
[ "7+61=68", "62-25=37", "68-37=31" ]
Current State: 31:[7, 61, 62, 25], Operations: [] Exploring Operation: 7+61=68, Resulting Numbers: [62, 25, 68] Generated Node #2: [62, 25, 68] from Operation: 7+61=68 Current State: 31:[62, 25, 68], Operations: ['7+61=68'] Exploring Operation: 62-25=37, Resulting Numbers: [68, 37] Generated Node #3: [68, 37] from Operation: 62-25=37 Current State: 31:[68, 37], Operations: ['7+61=68', '62-25=37'] Exploring Operation: 68-37=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[7, 61, 62, 25], Operations: [] Exploring Operation: 62-25=37, Resulting Numbers: [7, 61, 37] Generated Node #0,0: 31:[7, 61, 37] Operation: 62-25=37 Exploring Operation: 62-61=1, Resulting Numbers: [7, 25, 1] Generated Node #0,1: 31:[7, 25, 1] Operation: 62-61=1 Exploring Operation: 61-25=36, Resulting Numbers: [7, 62, 36] Generated Node #0,2: 31:[7, 62, 36] Operation: 61-25=36 Exploring Operation: 61-7=54, Resulting Numbers: [62, 25, 54] Generated Node #0,3: 31:[62, 25, 54] Operation: 61-7=54 Exploring Operation: 62-7=55, Resulting Numbers: [61, 25, 55] Generated Node #0,4: 31:[61, 25, 55] Operation: 62-7=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[7, 61, 37], Operations: ['62-25=37'] Exploring Operation: 7+61=68, Resulting Numbers: [37, 68] Generated Node #0,0,0: 31:[37, 68] Operation: 7+61=68 Exploring Operation: 61-37=24, Resulting Numbers: [7, 24] Generated Node #0,0,1: 31:[7, 24] Operation: 61-37=24 Exploring Operation: 7+37=44, Resulting Numbers: [61, 44] Generated Node #0,0,2: 31:[61, 44] Operation: 7+37=44 Exploring Operation: 61-7=54, Resulting Numbers: [37, 54] Generated Node #0,0,3: 31:[37, 54] Operation: 61-7=54 Exploring Operation: 37-7=30, Resulting Numbers: [61, 30] Generated Node #0,0,4: 31:[61, 30] Operation: 37-7=30 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 31:[37, 54], Operations: ['62-25=37', '61-7=54'] Exploring Operation: 37*54=1998, Resulting Numbers: [1998] 1998,31 unequal: No Solution Exploring Operation: 37+54=91, Resulting Numbers: [91] 91,31 unequal: No Solution Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,31 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 #0,0,1 Current State: 31:[7, 24], Operations: ['62-25=37', '61-37=24'] Exploring Operation: 7*24=168, Resulting Numbers: [168] 168,31 unequal: No Solution Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[7, 61, 62, 25], Operations: [] Exploring Operation: 62-25=37, Resulting Numbers: [7, 61, 37] Generated Node #0,0: 31:[7, 61, 37] Operation: 62-25=37 Moving to Node #0,0 Current State: 31:[7, 61, 37], Operations: ['62-25=37'] Exploring Operation: 61-37=24, Resulting Numbers: [7, 24] Generated Node #0,0,1: 31:[7, 24] Operation: 61-37=24 Moving to Node #0,0,1 Current State: 31:[7, 24], Operations: ['62-25=37', '61-37=24'] Exploring Operation: 7+24=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.983507
hs_5
mult_heuristic
[ 24, 90, 86, 2 ]
98
[ "90-86=4", "24*4=96", "2+96=98" ]
Current State: 98:[24, 90, 86, 2], Operations: [] Exploring Operation: 90-86=4, Resulting Numbers: [24, 2, 4] Generated Node #2: [24, 2, 4] from Operation: 90-86=4 Current State: 98:[24, 2, 4], Operations: ['90-86=4'] Exploring Operation: 24*4=96, Resulting Numbers: [2, 96] Generated Node #3: [2, 96] from Operation: 24*4=96 Current State: 98:[2, 96], Operations: ['90-86=4', '24*4=96'] Exploring Operation: 2+96=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[24, 90, 86, 2], Operations: [] Exploring Operation: 86-24=62, Resulting Numbers: [90, 2, 62] Generated Node #0,0: 98:[90, 2, 62] Operation: 86-24=62 Exploring Operation: 90-86=4, Resulting Numbers: [24, 2, 4] Generated Node #0,1: 98:[24, 2, 4] Operation: 90-86=4 Exploring Operation: 24+86=110, Resulting Numbers: [90, 2, 110] Generated Node #0,2: 98:[90, 2, 110] Operation: 24+86=110 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[24, 2, 4], Operations: ['90-86=4'] Exploring Operation: 24/4=6, Resulting Numbers: [2, 6] Generated Node #0,1,0: 98:[2, 6] Operation: 24/4=6 Exploring Operation: 24*2=48, Resulting Numbers: [4, 48] Generated Node #0,1,1: 98:[4, 48] Operation: 24*2=48 Exploring Operation: 24*4=96, Resulting Numbers: [2, 96] Generated Node #0,1,2: 98:[2, 96] Operation: 24*4=96 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 98:[2, 6], Operations: ['90-86=4', '24/4=6'] Exploring Operation: 2+6=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,98 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 98:[2, 96], Operations: ['90-86=4', '24*4=96'] Exploring Operation: 2+96=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[24, 90, 86, 2], Operations: [] Exploring Operation: 90-86=4, Resulting Numbers: [24, 2, 4] Generated Node #0,1: 98:[24, 2, 4] Operation: 90-86=4 Moving to Node #0,1 Current State: 98:[24, 2, 4], Operations: ['90-86=4'] Exploring Operation: 24*4=96, Resulting Numbers: [2, 96] Generated Node #0,1,2: 98:[2, 96] Operation: 24*4=96 Moving to Node #0,1,2 Current State: 98:[2, 96], Operations: ['90-86=4', '24*4=96'] Exploring Operation: 2+96=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 45, 19, 90, 6 ]
22
[ "90/45=2", "6/2=3", "19+3=22" ]
Current State: 22:[45, 19, 90, 6], Operations: [] Exploring Operation: 90/45=2, Resulting Numbers: [19, 6, 2] Generated Node #2: [19, 6, 2] from Operation: 90/45=2 Current State: 22:[19, 6, 2], Operations: ['90/45=2'] Exploring Operation: 6/2=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 6/2=3 Current State: 22:[19, 3], Operations: ['90/45=2', '6/2=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[45, 19, 90, 6], Operations: [] Exploring Operation: 90/45=2, Resulting Numbers: [19, 6, 2] Generated Node #0,0: 22:[19, 6, 2] Operation: 90/45=2 Exploring Operation: 90-45=45, Resulting Numbers: [19, 6, 45] Generated Node #0,1: 22:[19, 6, 45] Operation: 90-45=45 Exploring Operation: 90/6=15, Resulting Numbers: [45, 19, 15] Generated Node #0,2: 22:[45, 19, 15] Operation: 90/6=15 Exploring Operation: 45-19=26, Resulting Numbers: [90, 6, 26] Generated Node #0,3: 22:[90, 6, 26] Operation: 45-19=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[19, 6, 2], Operations: ['90/45=2'] Exploring Operation: 6*2=12, Resulting Numbers: [19, 12] Generated Node #0,0,0: 22:[19, 12] Operation: 6*2=12 Exploring Operation: 19+6=25, Resulting Numbers: [2, 25] Generated Node #0,0,1: 22:[2, 25] Operation: 19+6=25 Exploring Operation: 19-6=13, Resulting Numbers: [2, 13] Generated Node #0,0,2: 22:[2, 13] Operation: 19-6=13 Exploring Operation: 6/2=3, Resulting Numbers: [19, 3] Generated Node #0,0,3: 22:[19, 3] Operation: 6/2=3 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 22:[2, 13], Operations: ['90/45=2', '19-6=13'] Exploring Operation: 2+13=15, Resulting Numbers: [15] 15,22 unequal: No Solution Exploring Operation: 2*13=26, Resulting Numbers: [26] 26,22 unequal: No Solution Exploring Operation: 13-2=11, Resulting Numbers: [11] 11,22 unequal: No Solution No 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: 22:[2, 25], Operations: ['90/45=2', '19+6=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,22 unequal: No Solution Exploring Operation: 2*25=50, Resulting Numbers: [50] 50,22 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,22 unequal: No Solution No 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: 22:[19, 12], Operations: ['90/45=2', '6*2=12'] Exploring Operation: 19+12=31, Resulting Numbers: [31] 31,22 unequal: No Solution Exploring Operation: 19-12=7, Resulting Numbers: [7] 7,22 unequal: No Solution Exploring Operation: 19*12=228, Resulting Numbers: [228] 228,22 unequal: No Solution No 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: 22:[19, 3], Operations: ['90/45=2', '6/2=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,22 unequal: No Solution Exploring Operation: 19*3=57, Resulting Numbers: [57] 57,22 unequal: No Solution Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[45, 19, 90, 6], Operations: [] Exploring Operation: 90/45=2, Resulting Numbers: [19, 6, 2] Generated Node #0,0: 22:[19, 6, 2] Operation: 90/45=2 Moving to Node #0,0 Current State: 22:[19, 6, 2], Operations: ['90/45=2'] Exploring Operation: 6/2=3, Resulting Numbers: [19, 3] Generated Node #0,0,3: 22:[19, 3] Operation: 6/2=3 Moving to Node #0,0,3 Current State: 22:[19, 3], Operations: ['90/45=2', '6/2=3'] Exploring Operation: 19+3=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.979167
hs_4
sum_heuristic
[ 94, 2, 63, 65 ]
81
[ "94/2=47", "63+65=128", "128-47=81" ]
Current State: 81:[94, 2, 63, 65], Operations: [] Exploring Operation: 94/2=47, Resulting Numbers: [63, 65, 47] Generated Node #2: [63, 65, 47] from Operation: 94/2=47 Current State: 81:[63, 65, 47], Operations: ['94/2=47'] Exploring Operation: 63+65=128, Resulting Numbers: [47, 128] Generated Node #3: [47, 128] from Operation: 63+65=128 Current State: 81:[47, 128], Operations: ['94/2=47', '63+65=128'] Exploring Operation: 128-47=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[94, 2, 63, 65], Operations: [] Exploring Operation: 65-63=2, Resulting Numbers: [94, 2, 2] Generated Node #0,0: 81:[94, 2, 2] Operation: 65-63=2 Exploring Operation: 94-63=31, Resulting Numbers: [2, 65, 31] Generated Node #0,1: 81:[2, 65, 31] Operation: 94-63=31 Moving to Node #0,0 Current State: 81:[94, 2, 2], Operations: ['65-63=2'] Exploring Operation: 94-2=92, Resulting Numbers: [2, 92] Generated Node #0,0,0: 81:[2, 92] Operation: 94-2=92 Exploring Operation: 94-2=92, Resulting Numbers: [2, 92] Generated Node #0,0,1: 81:[2, 92] Operation: 94-2=92 Moving to Node #0,1 Current State: 81:[2, 65, 31], Operations: ['94-63=31'] Exploring Operation: 65-31=34, Resulting Numbers: [2, 34] Generated Node #0,1,0: 81:[2, 34] Operation: 65-31=34 Exploring Operation: 65+31=96, Resulting Numbers: [2, 96] Generated Node #0,1,1: 81:[2, 96] Operation: 65+31=96 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 81:[2, 34], Operations: ['94-63=31', '65-31=34'] Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 81:[2, 96], Operations: ['94-63=31', '65+31=96'] Exploring Operation: 96-2=94, Resulting Numbers: [94] 94,81 unequal: No Solution Exploring Operation: 2+96=98, Resulting Numbers: [98] 98,81 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: 81:[2, 92], Operations: ['65-63=2', '94-2=92'] Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,81 unequal: No Solution Exploring Operation: 2+92=94, Resulting Numbers: [94] 94,81 unequal: No Solution Moving to Node #0,0,1 Current State: 81:[2, 92], Operations: ['65-63=2', '94-2=92'] Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,81 unequal: No Solution Exploring Operation: 2+92=94, Resulting Numbers: [94] 94,81 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 10, 2, 41, 70 ]
27
[ "10/2=5", "70/5=14", "41-14=27" ]
Current State: 27:[10, 2, 41, 70], Operations: [] Exploring Operation: 10/2=5, Resulting Numbers: [41, 70, 5] Generated Node #2: [41, 70, 5] from Operation: 10/2=5 Current State: 27:[41, 70, 5], Operations: ['10/2=5'] Exploring Operation: 70/5=14, Resulting Numbers: [41, 14] Generated Node #3: [41, 14] from Operation: 70/5=14 Current State: 27:[41, 14], Operations: ['10/2=5', '70/5=14'] Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[10, 2, 41, 70], Operations: [] Exploring Operation: 70/2=35, Resulting Numbers: [10, 41, 35] Generated Node #0,0: 27:[10, 41, 35] Operation: 70/2=35 Exploring Operation: 70/10=7, Resulting Numbers: [2, 41, 7] Generated Node #0,1: 27:[2, 41, 7] Operation: 70/10=7 Exploring Operation: 70-41=29, Resulting Numbers: [10, 2, 29] Generated Node #0,2: 27:[10, 2, 29] Operation: 70-41=29 Start Sub Search at level 1: Moving to Node #0,2 Current State: 27:[10, 2, 29], Operations: ['70-41=29'] Exploring Operation: 10-2=8, Resulting Numbers: [29, 8] Generated Node #0,2,0: 27:[29, 8] Operation: 10-2=8 Exploring Operation: 10/2=5, Resulting Numbers: [29, 5] Generated Node #0,2,1: 27:[29, 5] Operation: 10/2=5 Exploring Operation: 29-2=27, Resulting Numbers: [10, 27] Generated Node #0,2,2: 27:[10, 27] Operation: 29-2=27 Moving to Node #0,2,2 Current State: 27:[10, 27], Operations: ['70-41=29', '29-2=27'] Exploring Operation: 10+27=37, Resulting Numbers: [37] 37,27 unequal: No Solution Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 10*27=270, Resulting Numbers: [270] 270,27 unequal: No Solution Moving to Node #0,2,0 Current State: 27:[29, 8], Operations: ['70-41=29', '10-2=8'] Exploring Operation: 29*8=232, Resulting Numbers: [232] 232,27 unequal: No Solution Exploring Operation: 29-8=21, Resulting Numbers: [21] 21,27 unequal: No Solution Exploring Operation: 29+8=37, Resulting Numbers: [37] 37,27 unequal: No Solution Moving to Node #0,2,1 Current State: 27:[29, 5], Operations: ['70-41=29', '10/2=5'] Exploring Operation: 29*5=145, Resulting Numbers: [145] 145,27 unequal: No Solution Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,27 unequal: No Solution Exploring Operation: 29+5=34, Resulting Numbers: [34] 34,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[2, 41, 7], Operations: ['70/10=7'] Exploring Operation: 2+7=9, Resulting Numbers: [41, 9] Generated Node #0,1,0: 27:[41, 9] Operation: 2+7=9 Exploring Operation: 41-2=39, Resulting Numbers: [7, 39] Generated Node #0,1,1: 27:[7, 39] Operation: 41-2=39 Exploring Operation: 41-7=34, Resulting Numbers: [2, 34] Generated Node #0,1,2: 27:[2, 34] Operation: 41-7=34 Moving to Node #0,1,2 Current State: 27:[2, 34], Operations: ['70/10=7', '41-7=34'] Exploring Operation: 34/2=17, Resulting Numbers: [17] 17,27 unequal: No Solution Exploring Operation: 2+34=36, Resulting Numbers: [36] 36,27 unequal: No Solution Exploring Operation: 34-2=32, Resulting Numbers: [32] 32,27 unequal: No Solution Moving to Node #0,1,0 Current State: 27:[41, 9], Operations: ['70/10=7', '2+7=9'] Exploring Operation: 41+9=50, Resulting Numbers: [50] 50,27 unequal: No Solution Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 41*9=369, Resulting Numbers: [369] 369,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[7, 39], Operations: ['70/10=7', '41-2=39'] Exploring Operation: 7+39=46, Resulting Numbers: [46] 46,27 unequal: No Solution Exploring Operation: 39-7=32, Resulting Numbers: [32] 32,27 unequal: No Solution Exploring Operation: 7*39=273, Resulting Numbers: [273] 273,27 unequal: No Solution No 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: 27:[10, 41, 35], Operations: ['70/2=35'] Exploring Operation: 35-10=25, Resulting Numbers: [41, 25] Generated Node #0,0,0: 27:[41, 25] Operation: 35-10=25 Exploring Operation: 41-10=31, Resulting Numbers: [35, 31] Generated Node #0,0,1: 27:[35, 31] Operation: 41-10=31 Exploring Operation: 41-35=6, Resulting Numbers: [10, 6] Generated Node #0,0,2: 27:[10, 6] Operation: 41-35=6 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 27:[10, 6], Operations: ['70/2=35', '41-35=6'] Exploring Operation: 10*6=60, Resulting Numbers: [60] 60,27 unequal: No Solution Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,27 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 27:[35, 31], Operations: ['70/2=35', '41-10=31'] Exploring Operation: 35-31=4, Resulting Numbers: [4] 4,27 unequal: No Solution Exploring Operation: 35+31=66, Resulting Numbers: [66] 66,27 unequal: No Solution Exploring Operation: 35*31=1085, Resulting Numbers: [1085] 1085,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 27:[41, 25], Operations: ['70/2=35', '35-10=25'] Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,27 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,27 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,27 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 55, 11, 32, 29 ]
63
[ "55+11=66", "32-29=3", "66-3=63" ]
Current State: 63:[55, 11, 32, 29], Operations: [] Exploring Operation: 55+11=66, Resulting Numbers: [32, 29, 66] Generated Node #2: [32, 29, 66] from Operation: 55+11=66 Current State: 63:[32, 29, 66], Operations: ['55+11=66'] Exploring Operation: 32-29=3, Resulting Numbers: [66, 3] Generated Node #3: [66, 3] from Operation: 32-29=3 Current State: 63:[66, 3], Operations: ['55+11=66', '32-29=3'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[55, 11, 32, 29], Operations: [] Exploring Operation: 32-29=3, Resulting Numbers: [55, 11, 3] Generated Node #0,0: 63:[55, 11, 3] Operation: 32-29=3 Exploring Operation: 55-32=23, Resulting Numbers: [11, 29, 23] Generated Node #0,1: 63:[11, 29, 23] Operation: 55-32=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[55, 11, 3], Operations: ['32-29=3'] Exploring Operation: 55+11=66, Resulting Numbers: [3, 66] Generated Node #0,0,0: 63:[3, 66] Operation: 55+11=66 Exploring Operation: 55/11=5, Resulting Numbers: [3, 5] Generated Node #0,0,1: 63:[3, 5] Operation: 55/11=5 Moving to Node #0,0,1 Current State: 63:[3, 5], Operations: ['32-29=3', '55/11=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 3+5=8, Resulting Numbers: [8] 8,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[3, 66], Operations: ['32-29=3', '55+11=66'] Exploring Operation: 66/3=22, Resulting Numbers: [22] 22,63 unequal: No Solution Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[55, 11, 32, 29], Operations: [] Exploring Operation: 32-29=3, Resulting Numbers: [55, 11, 3] Generated Node #0,0: 63:[55, 11, 3] Operation: 32-29=3 Moving to Node #0,0 Current State: 63:[55, 11, 3], Operations: ['32-29=3'] Exploring Operation: 55+11=66, Resulting Numbers: [3, 66] Generated Node #0,0,0: 63:[3, 66] Operation: 55+11=66 Moving to Node #0,0,0 Current State: 63:[3, 66], Operations: ['32-29=3', '55+11=66'] Exploring Operation: 66-3=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_2
mult_heuristic
[ 38, 80, 34, 66 ]
69
[ "80+34=114", "114/38=3", "66+3=69" ]
Current State: 69:[38, 80, 34, 66], Operations: [] Exploring Operation: 80+34=114, Resulting Numbers: [38, 66, 114] Generated Node #2: [38, 66, 114] from Operation: 80+34=114 Current State: 69:[38, 66, 114], Operations: ['80+34=114'] Exploring Operation: 114/38=3, Resulting Numbers: [66, 3] Generated Node #3: [66, 3] from Operation: 114/38=3 Current State: 69:[66, 3], Operations: ['80+34=114', '114/38=3'] Exploring Operation: 66+3=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[38, 80, 34, 66], Operations: [] Exploring Operation: 38-34=4, Resulting Numbers: [80, 66, 4] Generated Node #0,0: 69:[80, 66, 4] Operation: 38-34=4 Moving to Node #0,0 Current State: 69:[80, 66, 4], Operations: ['38-34=4'] Exploring Operation: 80/4=20, Resulting Numbers: [66, 20] Generated Node #0,0,0: 69:[66, 20] Operation: 80/4=20 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 69:[66, 20], Operations: ['38-34=4', '80/4=20'] Exploring Operation: 66+20=86, Resulting Numbers: [86] 86,69 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
[ 96, 56, 5, 19 ]
52
[ "5+19=24", "96/24=4", "56-4=52" ]
Current State: 52:[96, 56, 5, 19], Operations: [] Exploring Operation: 5+19=24, Resulting Numbers: [96, 56, 24] Generated Node #2: [96, 56, 24] from Operation: 5+19=24 Current State: 52:[96, 56, 24], Operations: ['5+19=24'] Exploring Operation: 96/24=4, Resulting Numbers: [56, 4] Generated Node #3: [56, 4] from Operation: 96/24=4 Current State: 52:[56, 4], Operations: ['5+19=24', '96/24=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[96, 56, 5, 19], Operations: [] Exploring Operation: 96-56=40, Resulting Numbers: [5, 19, 40] Generated Node #0,0: 52:[5, 19, 40] Operation: 96-56=40 Exploring Operation: 96-5=91, Resulting Numbers: [56, 19, 91] Generated Node #0,1: 52:[56, 19, 91] Operation: 96-5=91 Exploring Operation: 5+19=24, Resulting Numbers: [96, 56, 24] Generated Node #0,2: 52:[96, 56, 24] Operation: 5+19=24 Exploring Operation: 96-19=77, Resulting Numbers: [56, 5, 77] Generated Node #0,3: 52:[56, 5, 77] Operation: 96-19=77 Exploring Operation: 19-5=14, Resulting Numbers: [96, 56, 14] Generated Node #0,4: 52:[96, 56, 14] Operation: 19-5=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[5, 19, 40], Operations: ['96-56=40'] Exploring Operation: 5+40=45, Resulting Numbers: [19, 45] Generated Node #0,0,0: 52:[19, 45] Operation: 5+40=45 Exploring Operation: 19-5=14, Resulting Numbers: [40, 14] Generated Node #0,0,1: 52:[40, 14] Operation: 19-5=14 Exploring Operation: 40/5=8, Resulting Numbers: [19, 8] Generated Node #0,0,2: 52:[19, 8] Operation: 40/5=8 Exploring Operation: 19+40=59, Resulting Numbers: [5, 59] Generated Node #0,0,3: 52:[5, 59] Operation: 19+40=59 Exploring Operation: 40-19=21, Resulting Numbers: [5, 21] Generated Node #0,0,4: 52:[5, 21] Operation: 40-19=21 Moving to Node #0,0,4 Current State: 52:[5, 21], Operations: ['96-56=40', '40-19=21'] Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,52 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[5, 59], Operations: ['96-56=40', '19+40=59'] Exploring Operation: 59-5=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 5*59=295, Resulting Numbers: [295] 295,52 unequal: No Solution Exploring Operation: 5+59=64, Resulting Numbers: [64] 64,52 unequal: No Solution Moving to Node #0,0,2 Current State: 52:[19, 8], Operations: ['96-56=40', '40/5=8'] Exploring Operation: 19*8=152, Resulting Numbers: [152] 152,52 unequal: No Solution Exploring Operation: 19-8=11, Resulting Numbers: [11] 11,52 unequal: No Solution Exploring Operation: 19+8=27, Resulting Numbers: [27] 27,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[19, 45], Operations: ['96-56=40', '5+40=45'] Exploring Operation: 19*45=855, Resulting Numbers: [855] 855,52 unequal: No Solution Exploring Operation: 45-19=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 19+45=64, Resulting Numbers: [64] 64,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[40, 14], Operations: ['96-56=40', '19-5=14'] Exploring Operation: 40*14=560, Resulting Numbers: [560] 560,52 unequal: No Solution Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 40+14=54, Resulting Numbers: [54] 54,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 52:[56, 5, 77], Operations: ['96-19=77'] Exploring Operation: 5+77=82, Resulting Numbers: [56, 82] Generated Node #0,3,0: 52:[56, 82] Operation: 5+77=82 Exploring Operation: 77-56=21, Resulting Numbers: [5, 21] Generated Node #0,3,1: 52:[5, 21] Operation: 77-56=21 Exploring Operation: 77-5=72, Resulting Numbers: [56, 72] Generated Node #0,3,2: 52:[56, 72] Operation: 77-5=72 Exploring Operation: 56-5=51, Resulting Numbers: [77, 51] Generated Node #0,3,3: 52:[77, 51] Operation: 56-5=51 Exploring Operation: 56+5=61, Resulting Numbers: [77, 61] Generated Node #0,3,4: 52:[77, 61] Operation: 56+5=61 Moving to Node #0,3,1 Current State: 52:[5, 21], Operations: ['96-19=77', '77-56=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,52 unequal: No Solution Moving to Node #0,3,2 Current State: 52:[56, 72], Operations: ['96-19=77', '77-5=72'] Exploring Operation: 56*72=4032, Resulting Numbers: [4032] 4032,52 unequal: No Solution Exploring Operation: 56+72=128, Resulting Numbers: [128] 128,52 unequal: No Solution Exploring Operation: 72-56=16, Resulting Numbers: [16] 16,52 unequal: No Solution Moving to Node #0,3,3 Current State: 52:[77, 51], Operations: ['96-19=77', '56-5=51'] Exploring Operation: 77*51=3927, Resulting Numbers: [3927] 3927,52 unequal: No Solution Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 77+51=128, Resulting Numbers: [128] 128,52 unequal: No Solution Moving to Node #0,3,0 Current State: 52:[56, 82], Operations: ['96-19=77', '5+77=82'] Exploring Operation: 56*82=4592, Resulting Numbers: [4592] 4592,52 unequal: No Solution Exploring Operation: 56+82=138, Resulting Numbers: [138] 138,52 unequal: No Solution Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,52 unequal: No Solution Moving to Node #0,3,4 Current State: 52:[77, 61], Operations: ['96-19=77', '56+5=61'] Exploring Operation: 77-61=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 77+61=138, Resulting Numbers: [138] 138,52 unequal: No Solution Exploring Operation: 77*61=4697, Resulting Numbers: [4697] 4697,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 52:[56, 19, 91], Operations: ['96-5=91'] Exploring Operation: 91-56=35, Resulting Numbers: [19, 35] Generated Node #0,1,0: 52:[19, 35] Operation: 91-56=35 Exploring Operation: 19+91=110, Resulting Numbers: [56, 110] Generated Node #0,1,1: 52:[56, 110] Operation: 19+91=110 Exploring Operation: 56-19=37, Resulting Numbers: [91, 37] Generated Node #0,1,2: 52:[91, 37] Operation: 56-19=37 Exploring Operation: 56+19=75, Resulting Numbers: [91, 75] Generated Node #0,1,3: 52:[91, 75] Operation: 56+19=75 Exploring Operation: 91-19=72, Resulting Numbers: [56, 72] Generated Node #0,1,4: 52:[56, 72] Operation: 91-19=72 Moving to Node #0,1,0 Current State: 52:[19, 35], Operations: ['96-5=91', '91-56=35'] Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 19+35=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 19*35=665, Resulting Numbers: [665] 665,52 unequal: No Solution Moving to Node #0,1,4 Current State: 52:[56, 72], Operations: ['96-5=91', '91-19=72'] Exploring Operation: 56*72=4032, Resulting Numbers: [4032] 4032,52 unequal: No Solution Exploring Operation: 72-56=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 56+72=128, Resulting Numbers: [128] 128,52 unequal: No Solution Moving to Node #0,1,2 Current State: 52:[91, 37], Operations: ['96-5=91', '56-19=37'] Exploring Operation: 91+37=128, Resulting Numbers: [128] 128,52 unequal: No Solution Exploring Operation: 91*37=3367, Resulting Numbers: [3367] 3367,52 unequal: No Solution Exploring Operation: 91-37=54, Resulting Numbers: [54] 54,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[56, 110], Operations: ['96-5=91', '19+91=110'] Exploring Operation: 56+110=166, Resulting Numbers: [166] 166,52 unequal: No Solution Exploring Operation: 110-56=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 56*110=6160, Resulting Numbers: [6160] 6160,52 unequal: No Solution Moving to Node #0,1,3 Current State: 52:[91, 75], Operations: ['96-5=91', '56+19=75'] Exploring Operation: 91*75=6825, Resulting Numbers: [6825] 6825,52 unequal: No Solution Exploring Operation: 91-75=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 91+75=166, Resulting Numbers: [166] 166,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 52:[96, 56, 14], Operations: ['19-5=14'] Exploring Operation: 96+14=110, Resulting Numbers: [56, 110] Generated Node #0,4,0: 52:[56, 110] Operation: 96+14=110 Exploring Operation: 56/14=4, Resulting Numbers: [96, 4] Generated Node #0,4,1: 52:[96, 4] Operation: 56/14=4 Exploring Operation: 56-14=42, Resulting Numbers: [96, 42] Generated Node #0,4,2: 52:[96, 42] Operation: 56-14=42 Exploring Operation: 96-14=82, Resulting Numbers: [56, 82] Generated Node #0,4,3: 52:[56, 82] Operation: 96-14=82 Exploring Operation: 96-56=40, Resulting Numbers: [14, 40] Generated Node #0,4,4: 52:[14, 40] Operation: 96-56=40 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 52:[14, 40], Operations: ['19-5=14', '96-56=40'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,52 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 52:[56, 82], Operations: ['19-5=14', '96-14=82'] Exploring Operation: 82-56=26, Resulting Numbers: [26] 26,52 unequal: No Solution Exploring Operation: 56*82=4592, Resulting Numbers: [4592] 4592,52 unequal: No Solution Exploring Operation: 56+82=138, Resulting Numbers: [138] 138,52 unequal: No Solution No 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: 52:[96, 4], Operations: ['19-5=14', '56/14=4'] Exploring Operation: 96+4=100, Resulting Numbers: [100] 100,52 unequal: No Solution Exploring Operation: 96-4=92, Resulting Numbers: [92] 92,52 unequal: No Solution Exploring Operation: 96/4=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 96*4=384, Resulting Numbers: [384] 384,52 unequal: No Solution No 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: 52:[96, 42], Operations: ['19-5=14', '56-14=42'] Exploring Operation: 96-42=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 96*42=4032, Resulting Numbers: [4032] 4032,52 unequal: No Solution Exploring Operation: 96+42=138, Resulting Numbers: [138] 138,52 unequal: No Solution No 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: 52:[56, 110], Operations: ['19-5=14', '96+14=110'] Exploring Operation: 110-56=54, Resulting Numbers: [54] 54,52 unequal: No Solution Exploring Operation: 56+110=166, Resulting Numbers: [166] 166,52 unequal: No Solution Exploring Operation: 56*110=6160, Resulting Numbers: [6160] 6160,52 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 52:[96, 56, 24], Operations: ['5+19=24'] Exploring Operation: 56-24=32, Resulting Numbers: [96, 32] Generated Node #0,2,0: 52:[96, 32] Operation: 56-24=32 Exploring Operation: 96/24=4, Resulting Numbers: [56, 4] Generated Node #0,2,1: 52:[56, 4] Operation: 96/24=4 Exploring Operation: 96-56=40, Resulting Numbers: [24, 40] Generated Node #0,2,2: 52:[24, 40] Operation: 96-56=40 Exploring Operation: 96+24=120, Resulting Numbers: [56, 120] Generated Node #0,2,3: 52:[56, 120] Operation: 96+24=120 Exploring Operation: 96-24=72, Resulting Numbers: [56, 72] Generated Node #0,2,4: 52:[56, 72] Operation: 96-24=72 Moving to Node #0,2,1 Current State: 52:[56, 4], Operations: ['5+19=24', '96/24=4'] Exploring Operation: 56+4=60, Resulting Numbers: [60] 60,52 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[96, 56, 5, 19], Operations: [] Exploring Operation: 5+19=24, Resulting Numbers: [96, 56, 24] Generated Node #0,2: 52:[96, 56, 24] Operation: 5+19=24 Moving to Node #0,2 Current State: 52:[96, 56, 24], Operations: ['5+19=24'] Exploring Operation: 96/24=4, Resulting Numbers: [56, 4] Generated Node #0,2,1: 52:[56, 4] Operation: 96/24=4 Moving to Node #0,2,1 Current State: 52:[56, 4], Operations: ['5+19=24', '96/24=4'] Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.915799
hs_5
mult_heuristic
[ 52, 45, 32, 35 ]
30
[ "52+45=97", "32+35=67", "97-67=30" ]
Current State: 30:[52, 45, 32, 35], Operations: [] Exploring Operation: 52+45=97, Resulting Numbers: [32, 35, 97] Generated Node #2: [32, 35, 97] from Operation: 52+45=97 Current State: 30:[32, 35, 97], Operations: ['52+45=97'] Exploring Operation: 32+35=67, Resulting Numbers: [97, 67] Generated Node #3: [97, 67] from Operation: 32+35=67 Current State: 30:[97, 67], Operations: ['52+45=97', '32+35=67'] Exploring Operation: 97-67=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[52, 45, 32, 35], Operations: [] Exploring Operation: 52-35=17, Resulting Numbers: [45, 32, 17] Generated Node #0,0: 30:[45, 32, 17] Operation: 52-35=17 Exploring Operation: 52-45=7, Resulting Numbers: [32, 35, 7] Generated Node #0,1: 30:[32, 35, 7] Operation: 52-45=7 Exploring Operation: 45-35=10, Resulting Numbers: [52, 32, 10] Generated Node #0,2: 30:[52, 32, 10] Operation: 45-35=10 Exploring Operation: 52-32=20, Resulting Numbers: [45, 35, 20] Generated Node #0,3: 30:[45, 35, 20] Operation: 52-32=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 30:[32, 35, 7], Operations: ['52-45=7'] Exploring Operation: 35/7=5, Resulting Numbers: [32, 5] Generated Node #0,1,0: 30:[32, 5] Operation: 35/7=5 Exploring Operation: 32-7=25, Resulting Numbers: [35, 25] Generated Node #0,1,1: 30:[35, 25] Operation: 32-7=25 Exploring Operation: 35-7=28, Resulting Numbers: [32, 28] Generated Node #0,1,2: 30:[32, 28] Operation: 35-7=28 Exploring Operation: 35-32=3, Resulting Numbers: [7, 3] Generated Node #0,1,3: 30:[7, 3] Operation: 35-32=3 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 30:[7, 3], Operations: ['52-45=7', '35-32=3'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,30 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 #0,1,0 Current State: 30:[32, 5], Operations: ['52-45=7', '35/7=5'] Exploring Operation: 32*5=160, Resulting Numbers: [160] 160,30 unequal: No Solution Exploring Operation: 32-5=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 32+5=37, Resulting Numbers: [37] 37,30 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 #0,1,2 Current State: 30:[32, 28], Operations: ['52-45=7', '35-7=28'] Exploring Operation: 32*28=896, Resulting Numbers: [896] 896,30 unequal: No Solution Exploring Operation: 32-28=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 32+28=60, Resulting Numbers: [60] 60,30 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 #0,1,1 Current State: 30:[35, 25], Operations: ['52-45=7', '32-7=25'] Exploring Operation: 35+25=60, Resulting Numbers: [60] 60,30 unequal: No Solution Exploring Operation: 35-25=10, Resulting Numbers: [10] 10,30 unequal: No Solution Exploring Operation: 35*25=875, Resulting Numbers: [875] 875,30 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:[45, 32, 17], Operations: ['52-35=17'] Exploring Operation: 45-32=13, Resulting Numbers: [17, 13] Generated Node #0,0,0: 30:[17, 13] Operation: 45-32=13 Exploring Operation: 32-17=15, Resulting Numbers: [45, 15] Generated Node #0,0,1: 30:[45, 15] Operation: 32-17=15 Exploring Operation: 45-17=28, Resulting Numbers: [32, 28] Generated Node #0,0,2: 30:[32, 28] Operation: 45-17=28 Exploring Operation: 45+17=62, Resulting Numbers: [32, 62] Generated Node #0,0,3: 30:[32, 62] Operation: 45+17=62 Moving to Node #0,0,0 Current State: 30:[17, 13], Operations: ['52-35=17', '45-32=13'] Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,30 unequal: No Solution Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,30 unequal: No Solution Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[52, 45, 32, 35], Operations: [] Exploring Operation: 52-35=17, Resulting Numbers: [45, 32, 17] Generated Node #0,0: 30:[45, 32, 17] Operation: 52-35=17 Moving to Node #0,0 Current State: 30:[45, 32, 17], Operations: ['52-35=17'] Exploring Operation: 45-32=13, Resulting Numbers: [17, 13] Generated Node #0,0,0: 30:[17, 13] Operation: 45-32=13 Moving to Node #0,0,0 Current State: 30:[17, 13], Operations: ['52-35=17', '45-32=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
mult_heuristic
[ 81, 32, 25, 23 ]
59
[ "81*23=1863", "25+1863=1888", "1888/32=59" ]
Current State: 59:[81, 32, 25, 23], Operations: [] Exploring Operation: 81*23=1863, Resulting Numbers: [32, 25, 1863] Generated Node #2: [32, 25, 1863] from Operation: 81*23=1863 Current State: 59:[32, 25, 1863], Operations: ['81*23=1863'] Exploring Operation: 25+1863=1888, Resulting Numbers: [32, 1888] Generated Node #3: [32, 1888] from Operation: 25+1863=1888 Current State: 59:[32, 1888], Operations: ['81*23=1863', '25+1863=1888'] Exploring Operation: 1888/32=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[81, 32, 25, 23], Operations: [] Exploring Operation: 32+23=55, Resulting Numbers: [81, 25, 55] Generated Node #0,0: 59:[81, 25, 55] Operation: 32+23=55 Exploring Operation: 25+23=48, Resulting Numbers: [81, 32, 48] Generated Node #0,1: 59:[81, 32, 48] Operation: 25+23=48 Exploring Operation: 32+25=57, Resulting Numbers: [81, 23, 57] Generated Node #0,2: 59:[81, 23, 57] Operation: 32+25=57 Exploring Operation: 81-23=58, Resulting Numbers: [32, 25, 58] Generated Node #0,3: 59:[32, 25, 58] Operation: 81-23=58 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[81, 25, 55], Operations: ['32+23=55'] Exploring Operation: 81+25=106, Resulting Numbers: [55, 106] Generated Node #0,0,0: 59:[55, 106] Operation: 81+25=106 Exploring Operation: 25+55=80, Resulting Numbers: [81, 80] Generated Node #0,0,1: 59:[81, 80] Operation: 25+55=80 Exploring Operation: 81-25=56, Resulting Numbers: [55, 56] Generated Node #0,0,2: 59:[55, 56] Operation: 81-25=56 Exploring Operation: 55-25=30, Resulting Numbers: [81, 30] Generated Node #0,0,3: 59:[81, 30] Operation: 55-25=30 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 59:[55, 56], Operations: ['32+23=55', '81-25=56'] Exploring Operation: 56-55=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 55*56=3080, Resulting Numbers: [3080] 3080,59 unequal: No Solution Exploring Operation: 55+56=111, Resulting Numbers: [111] 111,59 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 #0,0,1 Current State: 59:[81, 80], Operations: ['32+23=55', '25+55=80'] Exploring Operation: 81-80=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 81*80=6480, Resulting Numbers: [6480] 6480,59 unequal: No Solution Exploring Operation: 81+80=161, Resulting Numbers: [161] 161,59 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:[55, 106], Operations: ['32+23=55', '81+25=106'] Exploring Operation: 55+106=161, Resulting Numbers: [161] 161,59 unequal: No Solution Exploring Operation: 106-55=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 55*106=5830, Resulting Numbers: [5830] 5830,59 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 #0,0,3 Current State: 59:[81, 30], Operations: ['32+23=55', '55-25=30'] Exploring Operation: 81-30=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 81+30=111, Resulting Numbers: [111] 111,59 unequal: No Solution Exploring Operation: 81*30=2430, Resulting Numbers: [2430] 2430,59 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:[81, 32, 48], Operations: ['25+23=48'] Exploring Operation: 81-32=49, Resulting Numbers: [48, 49] Generated Node #0,1,0: 59:[48, 49] Operation: 81-32=49 Exploring Operation: 81-48=33, Resulting Numbers: [32, 33] Generated Node #0,1,1: 59:[32, 33] Operation: 81-48=33 Exploring Operation: 81+32=113, Resulting Numbers: [48, 113] Generated Node #0,1,2: 59:[48, 113] Operation: 81+32=113 Exploring Operation: 32+48=80, Resulting Numbers: [81, 80] Generated Node #0,1,3: 59:[81, 80] Operation: 32+48=80 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 59:[48, 49], Operations: ['25+23=48', '81-32=49'] Exploring Operation: 48+49=97, Resulting Numbers: [97] 97,59 unequal: No Solution Exploring Operation: 49-48=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 48*49=2352, Resulting Numbers: [2352] 2352,59 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 #0,1,3 Current State: 59:[81, 80], Operations: ['25+23=48', '32+48=80'] Exploring Operation: 81*80=6480, Resulting Numbers: [6480] 6480,59 unequal: No Solution Exploring Operation: 81-80=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 81+80=161, Resulting Numbers: [161] 161,59 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:[32, 33], Operations: ['25+23=48', '81-48=33'] Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,59 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,59 unequal: No Solution Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,59 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 59:[48, 113], Operations: ['25+23=48', '81+32=113'] Exploring Operation: 48+113=161, Resulting Numbers: [161] 161,59 unequal: No Solution Exploring Operation: 113-48=65, Resulting Numbers: [65] 65,59 unequal: No Solution Exploring Operation: 48*113=5424, Resulting Numbers: [5424] 5424,59 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 #0,2 Current State: 59:[81, 23, 57], Operations: ['32+25=57'] Exploring Operation: 23+57=80, Resulting Numbers: [81, 80] Generated Node #0,2,0: 59:[81, 80] Operation: 23+57=80 Exploring Operation: 81-23=58, Resulting Numbers: [57, 58] Generated Node #0,2,1: 59:[57, 58] Operation: 81-23=58 Exploring Operation: 57-23=34, Resulting Numbers: [81, 34] Generated Node #0,2,2: 59:[81, 34] Operation: 57-23=34 Exploring Operation: 81+23=104, Resulting Numbers: [57, 104] Generated Node #0,2,3: 59:[57, 104] Operation: 81+23=104 Moving to Node #0,2,1 Current State: 59:[57, 58], Operations: ['32+25=57', '81-23=58'] Exploring Operation: 57+58=115, Resulting Numbers: [115] 115,59 unequal: No Solution Exploring Operation: 57*58=3306, Resulting Numbers: [3306] 3306,59 unequal: No Solution Exploring Operation: 58-57=1, Resulting Numbers: [1] 1,59 unequal: No Solution Moving to Node #0,2,0 Current State: 59:[81, 80], Operations: ['32+25=57', '23+57=80'] Exploring Operation: 81*80=6480, Resulting Numbers: [6480] 6480,59 unequal: No Solution Exploring Operation: 81+80=161, Resulting Numbers: [161] 161,59 unequal: No Solution Exploring Operation: 81-80=1, Resulting Numbers: [1] 1,59 unequal: No Solution Moving to Node #0,2,3 Current State: 59:[57, 104], Operations: ['32+25=57', '81+23=104'] Exploring Operation: 57*104=5928, Resulting Numbers: [5928] 5928,59 unequal: No Solution Exploring Operation: 57+104=161, Resulting Numbers: [161] 161,59 unequal: No Solution Exploring Operation: 104-57=47, Resulting Numbers: [47] 47,59 unequal: No Solution Moving to Node #0,2,2 Current State: 59:[81, 34], Operations: ['32+25=57', '57-23=34'] Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,59 unequal: No Solution Exploring Operation: 81*34=2754, Resulting Numbers: [2754] 2754,59 unequal: No Solution Exploring Operation: 81+34=115, Resulting Numbers: [115] 115,59 unequal: No Solution No 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: 59:[32, 25, 58], Operations: ['81-23=58'] Exploring Operation: 32+25=57, Resulting Numbers: [58, 57] Generated Node #0,3,0: 59:[58, 57] Operation: 32+25=57 Exploring Operation: 25+58=83, Resulting Numbers: [32, 83] Generated Node #0,3,1: 59:[32, 83] Operation: 25+58=83 Exploring Operation: 32-25=7, Resulting Numbers: [58, 7] Generated Node #0,3,2: 59:[58, 7] Operation: 32-25=7 Exploring Operation: 58-25=33, Resulting Numbers: [32, 33] Generated Node #0,3,3: 59:[32, 33] Operation: 58-25=33 Moving to Node #0,3,0 Current State: 59:[58, 57], Operations: ['81-23=58', '32+25=57'] Exploring Operation: 58*57=3306, Resulting Numbers: [3306] 3306,59 unequal: No Solution Exploring Operation: 58+57=115, Resulting Numbers: [115] 115,59 unequal: No Solution Exploring Operation: 58-57=1, Resulting Numbers: [1] 1,59 unequal: No Solution Moving to Node #0,3,1 Current State: 59:[32, 83], Operations: ['81-23=58', '25+58=83'] Exploring Operation: 32*83=2656, Resulting Numbers: [2656] 2656,59 unequal: No Solution Exploring Operation: 32+83=115, Resulting Numbers: [115] 115,59 unequal: No Solution Exploring Operation: 83-32=51, Resulting Numbers: [51] 51,59 unequal: No Solution Moving to Node #0,3,3 Current State: 59:[32, 33], Operations: ['81-23=58', '58-25=33'] Exploring Operation: 32*33=1056, Resulting Numbers: [1056] 1056,59 unequal: No Solution Exploring Operation: 32+33=65, Resulting Numbers: [65] 65,59 unequal: No Solution Exploring Operation: 33-32=1, Resulting Numbers: [1] 1,59 unequal: No Solution Moving to Node #0,3,2 Current State: 59:[58, 7], Operations: ['81-23=58', '32-25=7'] Exploring Operation: 58-7=51, Resulting Numbers: [51] 51,59 unequal: No Solution Exploring Operation: 58*7=406, Resulting Numbers: [406] 406,59 unequal: No Solution Exploring Operation: 58+7=65, Resulting Numbers: [65] 65,59 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
[ 11, 31, 54, 93 ]
59
[ "31-11=20", "93-54=39", "20+39=59" ]
Current State: 59:[11, 31, 54, 93], Operations: [] Exploring Operation: 31-11=20, Resulting Numbers: [54, 93, 20] Generated Node #2: [54, 93, 20] from Operation: 31-11=20 Current State: 59:[54, 93, 20], Operations: ['31-11=20'] Exploring Operation: 93-54=39, Resulting Numbers: [20, 39] Generated Node #3: [20, 39] from Operation: 93-54=39 Current State: 59:[20, 39], Operations: ['31-11=20', '93-54=39'] Exploring Operation: 20+39=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[11, 31, 54, 93], Operations: [] Exploring Operation: 93-11=82, Resulting Numbers: [31, 54, 82] Generated Node #0,0: 59:[31, 54, 82] Operation: 93-11=82 Exploring Operation: 11+31=42, Resulting Numbers: [54, 93, 42] Generated Node #0,1: 59:[54, 93, 42] Operation: 11+31=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 59:[31, 54, 82], Operations: ['93-11=82'] Exploring Operation: 31+54=85, Resulting Numbers: [82, 85] Generated Node #0,0,0: 59:[82, 85] Operation: 31+54=85 Exploring Operation: 82-31=51, Resulting Numbers: [54, 51] Generated Node #0,0,1: 59:[54, 51] Operation: 82-31=51 Moving to Node #0,0,1 Current State: 59:[54, 51], Operations: ['93-11=82', '82-31=51'] Exploring Operation: 54-51=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 54+51=105, Resulting Numbers: [105] 105,59 unequal: No Solution Moving to Node #0,0,0 Current State: 59:[82, 85], Operations: ['93-11=82', '31+54=85'] Exploring Operation: 85-82=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 82+85=167, Resulting Numbers: [167] 167,59 unequal: No Solution No 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:[54, 93, 42], Operations: ['11+31=42'] Exploring Operation: 93-54=39, Resulting Numbers: [42, 39] Generated Node #0,1,0: 59:[42, 39] Operation: 93-54=39 Exploring Operation: 93-42=51, Resulting Numbers: [54, 51] Generated Node #0,1,1: 59:[54, 51] Operation: 93-42=51 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 59:[54, 51], Operations: ['11+31=42', '93-42=51'] Exploring Operation: 54-51=3, Resulting Numbers: [3] 3,59 unequal: No Solution Exploring Operation: 54+51=105, Resulting Numbers: [105] 105,59 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 #0,1,0 Current State: 59:[42, 39], Operations: ['11+31=42', '93-54=39'] Exploring Operation: 42+39=81, Resulting Numbers: [81] 81,59 unequal: No Solution Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,59 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, 73, 7, 30 ]
24
[ "30-23=7", "7*7=49", "73-49=24" ]
Current State: 24:[23, 73, 7, 30], Operations: [] Exploring Operation: 30-23=7, Resulting Numbers: [73, 7, 7] Generated Node #2: [73, 7, 7] from Operation: 30-23=7 Current State: 24:[73, 7, 7], Operations: ['30-23=7'] Exploring Operation: 7*7=49, Resulting Numbers: [73, 49] Generated Node #3: [73, 49] from Operation: 7*7=49 Current State: 24:[73, 49], Operations: ['30-23=7', '7*7=49'] Exploring Operation: 73-49=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[23, 73, 7, 30], Operations: [] Exploring Operation: 73-23=50, Resulting Numbers: [7, 30, 50] Generated Node #0,0: 24:[7, 30, 50] Operation: 73-23=50 Exploring Operation: 73-7=66, Resulting Numbers: [23, 30, 66] Generated Node #0,1: 24:[23, 30, 66] Operation: 73-7=66 Exploring Operation: 73-30=43, Resulting Numbers: [23, 7, 43] Generated Node #0,2: 24:[23, 7, 43] Operation: 73-30=43 Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[23, 7, 43], Operations: ['73-30=43'] Exploring Operation: 23-7=16, Resulting Numbers: [43, 16] Generated Node #0,2,0: 24:[43, 16] Operation: 23-7=16 Exploring Operation: 43-7=36, Resulting Numbers: [23, 36] Generated Node #0,2,1: 24:[23, 36] Operation: 43-7=36 Exploring Operation: 43-23=20, Resulting Numbers: [7, 20] Generated Node #0,2,2: 24:[7, 20] Operation: 43-23=20 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 24:[7, 20], Operations: ['73-30=43', '43-23=20'] Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,24 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 24:[23, 36], Operations: ['73-30=43', '43-7=36'] Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 24:[43, 16], Operations: ['73-30=43', '23-7=16'] Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,24 unequal: No Solution Exploring Operation: 43+16=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 43*16=688, Resulting Numbers: [688] 688,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[7, 30, 50], Operations: ['73-23=50'] Exploring Operation: 30-7=23, Resulting Numbers: [50, 23] Generated Node #0,0,0: 24:[50, 23] Operation: 30-7=23 Exploring Operation: 50-30=20, Resulting Numbers: [7, 20] Generated Node #0,0,1: 24:[7, 20] Operation: 50-30=20 Exploring Operation: 50-7=43, Resulting Numbers: [30, 43] Generated Node #0,0,2: 24:[30, 43] Operation: 50-7=43 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 24:[7, 20], Operations: ['73-23=50', '50-30=20'] Exploring Operation: 7*20=140, Resulting Numbers: [140] 140,24 unequal: No Solution Exploring Operation: 20-7=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 7+20=27, Resulting Numbers: [27] 27,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 24:[30, 43], Operations: ['73-23=50', '50-7=43'] Exploring Operation: 30+43=73, Resulting Numbers: [73] 73,24 unequal: No Solution Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 30*43=1290, Resulting Numbers: [1290] 1290,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 24:[50, 23], Operations: ['73-23=50', '30-7=23'] Exploring Operation: 50+23=73, Resulting Numbers: [73] 73,24 unequal: No Solution Exploring Operation: 50-23=27, Resulting Numbers: [27] 27,24 unequal: No Solution Exploring Operation: 50*23=1150, Resulting Numbers: [1150] 1150,24 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 24:[23, 30, 66], Operations: ['73-7=66'] Exploring Operation: 66-23=43, Resulting Numbers: [30, 43] Generated Node #0,1,0: 24:[30, 43] Operation: 66-23=43 Exploring Operation: 30-23=7, Resulting Numbers: [66, 7] Generated Node #0,1,1: 24:[66, 7] Operation: 30-23=7 Exploring Operation: 66-30=36, Resulting Numbers: [23, 36] Generated Node #0,1,2: 24:[23, 36] Operation: 66-30=36 Moving to Node #0,1,2 Current State: 24:[23, 36], Operations: ['73-7=66', '66-30=36'] Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,24 unequal: No Solution Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,24 unequal: No Solution Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,24 unequal: No Solution Moving to Node #0,1,0 Current State: 24:[30, 43], Operations: ['73-7=66', '66-23=43'] Exploring Operation: 30+43=73, Resulting Numbers: [73] 73,24 unequal: No Solution Exploring Operation: 30*43=1290, Resulting Numbers: [1290] 1290,24 unequal: No Solution Exploring Operation: 43-30=13, Resulting Numbers: [13] 13,24 unequal: No Solution Moving to Node #0,1,1 Current State: 24:[66, 7], Operations: ['73-7=66', '30-23=7'] Exploring Operation: 66+7=73, Resulting Numbers: [73] 73,24 unequal: No Solution Exploring Operation: 66*7=462, Resulting Numbers: [462] 462,24 unequal: No Solution Exploring Operation: 66-7=59, Resulting Numbers: [59] 59,24 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
[ 48, 47, 25, 90 ]
60
[ "48*90=4320", "47+25=72", "4320/72=60" ]
Current State: 60:[48, 47, 25, 90], Operations: [] Exploring Operation: 48*90=4320, Resulting Numbers: [47, 25, 4320] Generated Node #2: [47, 25, 4320] from Operation: 48*90=4320 Current State: 60:[47, 25, 4320], Operations: ['48*90=4320'] Exploring Operation: 47+25=72, Resulting Numbers: [4320, 72] Generated Node #3: [4320, 72] from Operation: 47+25=72 Current State: 60:[4320, 72], Operations: ['48*90=4320', '47+25=72'] Exploring Operation: 4320/72=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[48, 47, 25, 90], Operations: [] Exploring Operation: 90-48=42, Resulting Numbers: [47, 25, 42] Generated Node #0,0: 60:[47, 25, 42] Operation: 90-48=42 Exploring Operation: 90-25=65, Resulting Numbers: [48, 47, 65] Generated Node #0,1: 60:[48, 47, 65] Operation: 90-25=65 Exploring Operation: 90-47=43, Resulting Numbers: [48, 25, 43] Generated Node #0,2: 60:[48, 25, 43] Operation: 90-47=43 Exploring Operation: 48-47=1, Resulting Numbers: [25, 90, 1] Generated Node #0,3: 60:[25, 90, 1] Operation: 48-47=1 Moving to Node #0,0 Current State: 60:[47, 25, 42], Operations: ['90-48=42'] Exploring Operation: 47-42=5, Resulting Numbers: [25, 5] Generated Node #0,0,0: 60:[25, 5] Operation: 47-42=5 Exploring Operation: 47-25=22, Resulting Numbers: [42, 22] Generated Node #0,0,1: 60:[42, 22] Operation: 47-25=22 Exploring Operation: 25+42=67, Resulting Numbers: [47, 67] Generated Node #0,0,2: 60:[47, 67] Operation: 25+42=67 Exploring Operation: 42-25=17, Resulting Numbers: [47, 17] Generated Node #0,0,3: 60:[47, 17] Operation: 42-25=17 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[25, 5], Operations: ['90-48=42', '47-42=5'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 25*5=125, Resulting Numbers: [125] 125,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 60:[42, 22], Operations: ['90-48=42', '47-25=22'] Exploring Operation: 42+22=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 42*22=924, Resulting Numbers: [924] 924,60 unequal: No Solution Exploring Operation: 42-22=20, Resulting Numbers: [20] 20,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 60:[47, 17], Operations: ['90-48=42', '42-25=17'] Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 47+17=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 47*17=799, Resulting Numbers: [799] 799,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 60:[47, 67], Operations: ['90-48=42', '25+42=67'] Exploring Operation: 47*67=3149, Resulting Numbers: [3149] 3149,60 unequal: No Solution Exploring Operation: 47+67=114, Resulting Numbers: [114] 114,60 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,60 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: 60:[48, 25, 43], Operations: ['90-47=43'] Exploring Operation: 48-25=23, Resulting Numbers: [43, 23] Generated Node #0,2,0: 60:[43, 23] Operation: 48-25=23 Exploring Operation: 25+43=68, Resulting Numbers: [48, 68] Generated Node #0,2,1: 60:[48, 68] Operation: 25+43=68 Exploring Operation: 48-43=5, Resulting Numbers: [25, 5] Generated Node #0,2,2: 60:[25, 5] Operation: 48-43=5 Exploring Operation: 43-25=18, Resulting Numbers: [48, 18] Generated Node #0,2,3: 60:[48, 18] Operation: 43-25=18 Moving to Node #0,1 Current State: 60:[48, 47, 65], Operations: ['90-25=65'] Exploring Operation: 65-47=18, Resulting Numbers: [48, 18] Generated Node #0,1,0: 60:[48, 18] Operation: 65-47=18 Exploring Operation: 48+47=95, Resulting Numbers: [65, 95] Generated Node #0,1,1: 60:[65, 95] Operation: 48+47=95 Exploring Operation: 48-47=1, Resulting Numbers: [65, 1] Generated Node #0,1,2: 60:[65, 1] Operation: 48-47=1 Exploring Operation: 65-48=17, Resulting Numbers: [47, 17] Generated Node #0,1,3: 60:[47, 17] Operation: 65-48=17 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 60:[65, 1], Operations: ['90-25=65', '48-47=1'] Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,60 unequal: No Solution Exploring Operation: 65*1=65, Resulting Numbers: [65] 65,60 unequal: No Solution Exploring Operation: 65+1=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,60 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 #0,1,0 Current State: 60:[48, 18], Operations: ['90-25=65', '65-47=18'] Exploring Operation: 48+18=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 48*18=864, Resulting Numbers: [864] 864,60 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 #0,1,3 Current State: 60:[47, 17], Operations: ['90-25=65', '65-48=17'] Exploring Operation: 47+17=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 47*17=799, Resulting Numbers: [799] 799,60 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 #0,1,1 Current State: 60:[65, 95], Operations: ['90-25=65', '48+47=95'] Exploring Operation: 65+95=160, Resulting Numbers: [160] 160,60 unequal: No Solution Exploring Operation: 65*95=6175, Resulting Numbers: [6175] 6175,60 unequal: No Solution Exploring Operation: 95-65=30, Resulting Numbers: [30] 30,60 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: 60:[25, 90, 1], Operations: ['48-47=1'] Exploring Operation: 25+1=26, Resulting Numbers: [90, 26] Generated Node #0,3,0: 60:[90, 26] Operation: 25+1=26 Exploring Operation: 25-1=24, Resulting Numbers: [90, 24] Generated Node #0,3,1: 60:[90, 24] Operation: 25-1=24 Exploring Operation: 90-25=65, Resulting Numbers: [1, 65] Generated Node #0,3,2: 60:[1, 65] Operation: 90-25=65 Exploring Operation: 90-1=89, Resulting Numbers: [25, 89] Generated Node #0,3,3: 60:[25, 89] Operation: 90-1=89 Moving to Node #0,2,2 Current State: 60:[25, 5], Operations: ['90-47=43', '48-43=5'] Exploring Operation: 25/5=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 25*5=125, Resulting Numbers: [125] 125,60 unequal: No Solution Exploring Operation: 25+5=30, Resulting Numbers: [30] 30,60 unequal: No Solution Moving to Node #0,3,2 Current State: 60:[1, 65], Operations: ['48-47=1', '90-25=65'] Exploring Operation: 1*65=65, Resulting Numbers: [65] 65,60 unequal: No Solution Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,60 unequal: No Solution Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,60 unequal: No Solution Moving to Node #0,2,3 Current State: 60:[48, 18], Operations: ['90-47=43', '43-25=18'] Exploring Operation: 48-18=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 48*18=864, Resulting Numbers: [864] 864,60 unequal: No Solution Exploring Operation: 48+18=66, Resulting Numbers: [66] 66,60 unequal: No Solution Moving to Node #0,2,0 Current State: 60:[43, 23], Operations: ['90-47=43', '48-25=23'] Exploring Operation: 43+23=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 43*23=989, Resulting Numbers: [989] 989,60 unequal: No Solution Moving to Node #0,2,1 Current State: 60:[48, 68], Operations: ['90-47=43', '25+43=68'] Exploring Operation: 68-48=20, Resulting Numbers: [20] 20,60 unequal: No Solution Exploring Operation: 48*68=3264, Resulting Numbers: [3264] 3264,60 unequal: No Solution Exploring Operation: 48+68=116, Resulting Numbers: [116] 116,60 unequal: No Solution Moving to Node #0,3,0 Current State: 60:[90, 26], Operations: ['48-47=1', '25+1=26'] Exploring Operation: 90-26=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 90+26=116, Resulting Numbers: [116] 116,60 unequal: No Solution Exploring Operation: 90*26=2340, Resulting Numbers: [2340] 2340,60 unequal: No Solution Moving to Node #0,3,1 Current State: 60:[90, 24], Operations: ['48-47=1', '25-1=24'] Exploring Operation: 90-24=66, Resulting Numbers: [66] 66,60 unequal: No Solution Exploring Operation: 90+24=114, Resulting Numbers: [114] 114,60 unequal: No Solution Exploring Operation: 90*24=2160, Resulting Numbers: [2160] 2160,60 unequal: No Solution Moving to Node #0,3,3 Current State: 60:[25, 89], Operations: ['48-47=1', '90-1=89'] Exploring Operation: 25*89=2225, Resulting Numbers: [2225] 2225,60 unequal: No Solution Exploring Operation: 25+89=114, Resulting Numbers: [114] 114,60 unequal: No Solution Exploring Operation: 89-25=64, Resulting Numbers: [64] 64,60 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 82, 14, 21, 51 ]
48
[ "14*51=714", "714/21=34", "82-34=48" ]
Current State: 48:[82, 14, 21, 51], Operations: [] Exploring Operation: 14*51=714, Resulting Numbers: [82, 21, 714] Generated Node #2: [82, 21, 714] from Operation: 14*51=714 Current State: 48:[82, 21, 714], Operations: ['14*51=714'] Exploring Operation: 714/21=34, Resulting Numbers: [82, 34] Generated Node #3: [82, 34] from Operation: 714/21=34 Current State: 48:[82, 34], Operations: ['14*51=714', '714/21=34'] Exploring Operation: 82-34=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[82, 14, 21, 51], Operations: [] Exploring Operation: 82-51=31, Resulting Numbers: [14, 21, 31] Generated Node #0,0: 48:[14, 21, 31] Operation: 82-51=31 Exploring Operation: 82-21=61, Resulting Numbers: [14, 51, 61] Generated Node #0,1: 48:[14, 51, 61] Operation: 82-21=61 Exploring Operation: 21-14=7, Resulting Numbers: [82, 51, 7] Generated Node #0,2: 48:[82, 51, 7] Operation: 21-14=7 Exploring Operation: 82-14=68, Resulting Numbers: [21, 51, 68] Generated Node #0,3: 48:[21, 51, 68] Operation: 82-14=68 Moving to Node #0,0 Current State: 48:[14, 21, 31], Operations: ['82-51=31'] Exploring Operation: 21+31=52, Resulting Numbers: [14, 52] Generated Node #0,0,0: 48:[14, 52] Operation: 21+31=52 Exploring Operation: 14+31=45, Resulting Numbers: [21, 45] Generated Node #0,0,1: 48:[21, 45] Operation: 14+31=45 Exploring Operation: 31-21=10, Resulting Numbers: [14, 10] Generated Node #0,0,2: 48:[14, 10] Operation: 31-21=10 Exploring Operation: 31-14=17, Resulting Numbers: [21, 17] Generated Node #0,0,3: 48:[21, 17] Operation: 31-14=17 Moving to Node #0,1 Current State: 48:[14, 51, 61], Operations: ['82-21=61'] Exploring Operation: 61-14=47, Resulting Numbers: [51, 47] Generated Node #0,1,0: 48:[51, 47] Operation: 61-14=47 Exploring Operation: 61-51=10, Resulting Numbers: [14, 10] Generated Node #0,1,1: 48:[14, 10] Operation: 61-51=10 Exploring Operation: 51-14=37, Resulting Numbers: [61, 37] Generated Node #0,1,2: 48:[61, 37] Operation: 51-14=37 Exploring Operation: 14+51=65, Resulting Numbers: [61, 65] Generated Node #0,1,3: 48:[61, 65] Operation: 14+51=65 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[51, 47], Operations: ['82-21=61', '61-14=47'] Exploring Operation: 51-47=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 51*47=2397, Resulting Numbers: [2397] 2397,48 unequal: No Solution Exploring Operation: 51+47=98, Resulting Numbers: [98] 98,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 48:[14, 10], Operations: ['82-21=61', '61-51=10'] Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,48 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 48:[61, 37], Operations: ['82-21=61', '51-14=37'] Exploring Operation: 61-37=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 61+37=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 61*37=2257, Resulting Numbers: [2257] 2257,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 48:[61, 65], Operations: ['82-21=61', '14+51=65'] Exploring Operation: 61+65=126, Resulting Numbers: [126] 126,48 unequal: No Solution Exploring Operation: 65-61=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 61*65=3965, Resulting Numbers: [3965] 3965,48 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: 48:[21, 51, 68], Operations: ['82-14=68'] Exploring Operation: 51-21=30, Resulting Numbers: [68, 30] Generated Node #0,3,0: 48:[68, 30] Operation: 51-21=30 Exploring Operation: 21+51=72, Resulting Numbers: [68, 72] Generated Node #0,3,1: 48:[68, 72] Operation: 21+51=72 Exploring Operation: 68-21=47, Resulting Numbers: [51, 47] Generated Node #0,3,2: 48:[51, 47] Operation: 68-21=47 Exploring Operation: 68-51=17, Resulting Numbers: [21, 17] Generated Node #0,3,3: 48:[21, 17] Operation: 68-51=17 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 48:[51, 47], Operations: ['82-14=68', '68-21=47'] Exploring Operation: 51+47=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 51*47=2397, Resulting Numbers: [2397] 2397,48 unequal: No Solution Exploring Operation: 51-47=4, Resulting Numbers: [4] 4,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 48:[21, 17], Operations: ['82-14=68', '68-51=17'] Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 21*17=357, Resulting Numbers: [357] 357,48 unequal: No Solution Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 48:[68, 30], Operations: ['82-14=68', '51-21=30'] Exploring Operation: 68*30=2040, Resulting Numbers: [2040] 2040,48 unequal: No Solution Exploring Operation: 68+30=98, Resulting Numbers: [98] 98,48 unequal: No Solution Exploring Operation: 68-30=38, Resulting Numbers: [38] 38,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 48:[68, 72], Operations: ['82-14=68', '21+51=72'] Exploring Operation: 68*72=4896, Resulting Numbers: [4896] 4896,48 unequal: No Solution Exploring Operation: 72-68=4, Resulting Numbers: [4] 4,48 unequal: No Solution Exploring Operation: 68+72=140, Resulting Numbers: [140] 140,48 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 48:[82, 51, 7], Operations: ['21-14=7'] Exploring Operation: 51-7=44, Resulting Numbers: [82, 44] Generated Node #0,2,0: 48:[82, 44] Operation: 51-7=44 Exploring Operation: 82-7=75, Resulting Numbers: [51, 75] Generated Node #0,2,1: 48:[51, 75] Operation: 82-7=75 Exploring Operation: 82+7=89, Resulting Numbers: [51, 89] Generated Node #0,2,2: 48:[51, 89] Operation: 82+7=89 Exploring Operation: 82-51=31, Resulting Numbers: [7, 31] Generated Node #0,2,3: 48:[7, 31] Operation: 82-51=31 Moving to Node #0,0,2 Current State: 48:[14, 10], Operations: ['82-51=31', '31-21=10'] Exploring Operation: 14+10=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 14*10=140, Resulting Numbers: [140] 140,48 unequal: No Solution Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,48 unequal: No Solution Moving to Node #0,0,3 Current State: 48:[21, 17], Operations: ['82-51=31', '31-14=17'] Exploring Operation: 21*17=357, Resulting Numbers: [357] 357,48 unequal: No Solution Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,48 unequal: No Solution Exploring Operation: 21-17=4, Resulting Numbers: [4] 4,48 unequal: No Solution Moving to Node #0,0,0 Current State: 48:[14, 52], Operations: ['82-51=31', '21+31=52'] Exploring Operation: 14+52=66, Resulting Numbers: [66] 66,48 unequal: No Solution Exploring Operation: 14*52=728, Resulting Numbers: [728] 728,48 unequal: No Solution Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,48 unequal: No Solution Moving to Node #0,0,1 Current State: 48:[21, 45], Operations: ['82-51=31', '14+31=45'] Exploring Operation: 45-21=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 21+45=66, Resulting Numbers: [66] 66,48 unequal: No Solution Exploring Operation: 21*45=945, Resulting Numbers: [945] 945,48 unequal: No Solution Moving to Node #0,2,3 Current State: 48:[7, 31], Operations: ['21-14=7', '82-51=31'] Exploring Operation: 7*31=217, Resulting Numbers: [217] 217,48 unequal: No Solution Exploring Operation: 7+31=38, Resulting Numbers: [38] 38,48 unequal: No Solution Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,48 unequal: No Solution Moving to Node #0,2,1 Current State: 48:[51, 75], Operations: ['21-14=7', '82-7=75'] Exploring Operation: 75-51=24, Resulting Numbers: [24] 24,48 unequal: No Solution Exploring Operation: 51*75=3825, Resulting Numbers: [3825] 3825,48 unequal: No Solution Exploring Operation: 51+75=126, Resulting Numbers: [126] 126,48 unequal: No Solution Moving to Node #0,2,0 Current State: 48:[82, 44], Operations: ['21-14=7', '51-7=44'] Exploring Operation: 82*44=3608, Resulting Numbers: [3608] 3608,48 unequal: No Solution Exploring Operation: 82+44=126, Resulting Numbers: [126] 126,48 unequal: No Solution Exploring Operation: 82-44=38, Resulting Numbers: [38] 38,48 unequal: No Solution Moving to Node #0,2,2 Current State: 48:[51, 89], Operations: ['21-14=7', '82+7=89'] Exploring Operation: 51*89=4539, Resulting Numbers: [4539] 4539,48 unequal: No Solution Exploring Operation: 89-51=38, Resulting Numbers: [38] 38,48 unequal: No Solution Exploring Operation: 51+89=140, Resulting Numbers: [140] 140,48 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 47, 41, 6, 92 ]
24
[ "47+41=88", "92-88=4", "6*4=24" ]
Current State: 24:[47, 41, 6, 92], Operations: [] Exploring Operation: 47+41=88, Resulting Numbers: [6, 92, 88] Generated Node #2: [6, 92, 88] from Operation: 47+41=88 Current State: 24:[6, 92, 88], Operations: ['47+41=88'] Exploring Operation: 92-88=4, Resulting Numbers: [6, 4] Generated Node #3: [6, 4] from Operation: 92-88=4 Current State: 24:[6, 4], Operations: ['47+41=88', '92-88=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[47, 41, 6, 92], Operations: [] Exploring Operation: 92-47=45, Resulting Numbers: [41, 6, 45] Generated Node #0,0: 24:[41, 6, 45] Operation: 92-47=45 Exploring Operation: 92-41=51, Resulting Numbers: [47, 6, 51] Generated Node #0,1: 24:[47, 6, 51] Operation: 92-41=51 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[41, 6, 45], Operations: ['92-47=45'] Exploring Operation: 41-6=35, Resulting Numbers: [45, 35] Generated Node #0,0,0: 24:[45, 35] Operation: 41-6=35 Exploring Operation: 45-41=4, Resulting Numbers: [6, 4] Generated Node #0,0,1: 24:[6, 4] Operation: 45-41=4 Moving to Node #0,0,1 Current State: 24:[6, 4], Operations: ['92-47=45', '45-41=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[47, 41, 6, 92], Operations: [] Exploring Operation: 92-47=45, Resulting Numbers: [41, 6, 45] Generated Node #0,0: 24:[41, 6, 45] Operation: 92-47=45 Moving to Node #0,0 Current State: 24:[41, 6, 45], Operations: ['92-47=45'] Exploring Operation: 45-41=4, Resulting Numbers: [6, 4] Generated Node #0,0,1: 24:[6, 4] Operation: 45-41=4 Moving to Node #0,0,1 Current State: 24:[6, 4], Operations: ['92-47=45', '45-41=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 65, 38, 30, 2 ]
78
[ "38-2=36", "65*36=2340", "2340/30=78" ]
Current State: 78:[65, 38, 30, 2], Operations: [] Exploring Operation: 38-2=36, Resulting Numbers: [65, 30, 36] Generated Node #2: [65, 30, 36] from Operation: 38-2=36 Current State: 78:[65, 30, 36], Operations: ['38-2=36'] Exploring Operation: 65*36=2340, Resulting Numbers: [30, 2340] Generated Node #3: [30, 2340] from Operation: 65*36=2340 Current State: 78:[30, 2340], Operations: ['38-2=36', '65*36=2340'] Exploring Operation: 2340/30=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[65, 38, 30, 2], Operations: [] Exploring Operation: 38-30=8, Resulting Numbers: [65, 2, 8] Generated Node #0,0: 78:[65, 2, 8] Operation: 38-30=8 Exploring Operation: 65-30=35, Resulting Numbers: [38, 2, 35] Generated Node #0,1: 78:[38, 2, 35] Operation: 65-30=35 Exploring Operation: 65-38=27, Resulting Numbers: [30, 2, 27] Generated Node #0,2: 78:[30, 2, 27] Operation: 65-38=27 Start Sub Search at level 1: Moving to Node #0,1 Current State: 78:[38, 2, 35], Operations: ['65-30=35'] Exploring Operation: 38+2=40, Resulting Numbers: [35, 40] Generated Node #0,1,0: 78:[35, 40] Operation: 38+2=40 Exploring Operation: 2+35=37, Resulting Numbers: [38, 37] Generated Node #0,1,1: 78:[38, 37] Operation: 2+35=37 Exploring Operation: 38-35=3, Resulting Numbers: [2, 3] Generated Node #0,1,2: 78:[2, 3] Operation: 38-35=3 Moving to Node #0,1,2 Current State: 78:[2, 3], Operations: ['65-30=35', '38-35=3'] Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,78 unequal: No Solution Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,78 unequal: No Solution Moving to Node #0,1,1 Current State: 78:[38, 37], Operations: ['65-30=35', '2+35=37'] Exploring Operation: 38-37=1, Resulting Numbers: [1] 1,78 unequal: No Solution Exploring Operation: 38+37=75, Resulting Numbers: [75] 75,78 unequal: No Solution Exploring Operation: 38*37=1406, Resulting Numbers: [1406] 1406,78 unequal: No Solution Moving to Node #0,1,0 Current State: 78:[35, 40], Operations: ['65-30=35', '38+2=40'] Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,78 unequal: No Solution Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 35*40=1400, Resulting Numbers: [1400] 1400,78 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 #0,2 Current State: 78:[30, 2, 27], Operations: ['65-38=27'] Exploring Operation: 30/2=15, Resulting Numbers: [27, 15] Generated Node #0,2,0: 78:[27, 15] Operation: 30/2=15 Exploring Operation: 30-27=3, Resulting Numbers: [2, 3] Generated Node #0,2,1: 78:[2, 3] Operation: 30-27=3 Exploring Operation: 30-2=28, Resulting Numbers: [27, 28] Generated Node #0,2,2: 78:[27, 28] Operation: 30-2=28 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 78:[2, 3], Operations: ['65-38=27', '30-27=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,78 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,78 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 78:[27, 15], Operations: ['65-38=27', '30/2=15'] Exploring Operation: 27+15=42, Resulting Numbers: [42] 42,78 unequal: No Solution Exploring Operation: 27-15=12, Resulting Numbers: [12] 12,78 unequal: No Solution Exploring Operation: 27*15=405, Resulting Numbers: [405] 405,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 78:[27, 28], Operations: ['65-38=27', '30-2=28'] Exploring Operation: 27*28=756, Resulting Numbers: [756] 756,78 unequal: No Solution Exploring Operation: 27+28=55, Resulting Numbers: [55] 55,78 unequal: No Solution Exploring Operation: 28-27=1, Resulting Numbers: [1] 1,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[65, 2, 8], Operations: ['38-30=8'] Exploring Operation: 65+8=73, Resulting Numbers: [2, 73] Generated Node #0,0,0: 78:[2, 73] Operation: 65+8=73 Exploring Operation: 8-2=6, Resulting Numbers: [65, 6] Generated Node #0,0,1: 78:[65, 6] Operation: 8-2=6 Exploring Operation: 65+2=67, Resulting Numbers: [8, 67] Generated Node #0,0,2: 78:[8, 67] Operation: 65+2=67 Moving to Node #0,0,0 Current State: 78:[2, 73], Operations: ['38-30=8', '65+8=73'] Exploring Operation: 2*73=146, Resulting Numbers: [146] 146,78 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,78 unequal: No Solution Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[65, 6], Operations: ['38-30=8', '8-2=6'] Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,78 unequal: No Solution Exploring Operation: 65+6=71, Resulting Numbers: [71] 71,78 unequal: No Solution Exploring Operation: 65*6=390, Resulting Numbers: [390] 390,78 unequal: No Solution Moving to Node #0,0,2 Current State: 78:[8, 67], Operations: ['38-30=8', '65+2=67'] Exploring Operation: 67-8=59, Resulting Numbers: [59] 59,78 unequal: No Solution Exploring Operation: 8+67=75, Resulting Numbers: [75] 75,78 unequal: No Solution Exploring Operation: 8*67=536, Resulting Numbers: [536] 536,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 18, 85, 55, 7 ]
14
[ "18*7=126", "85+55=140", "140-126=14" ]
Current State: 14:[18, 85, 55, 7], Operations: [] Exploring Operation: 18*7=126, Resulting Numbers: [85, 55, 126] Generated Node #2: [85, 55, 126] from Operation: 18*7=126 Current State: 14:[85, 55, 126], Operations: ['18*7=126'] Exploring Operation: 85+55=140, Resulting Numbers: [126, 140] Generated Node #3: [126, 140] from Operation: 85+55=140 Current State: 14:[126, 140], Operations: ['18*7=126', '85+55=140'] Exploring Operation: 140-126=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[18, 85, 55, 7], Operations: [] Exploring Operation: 85-7=78, Resulting Numbers: [18, 55, 78] Generated Node #0,0: 14:[18, 55, 78] Operation: 85-7=78 Exploring Operation: 55-7=48, Resulting Numbers: [18, 85, 48] Generated Node #0,1: 14:[18, 85, 48] Operation: 55-7=48 Exploring Operation: 55-18=37, Resulting Numbers: [85, 7, 37] Generated Node #0,2: 14:[85, 7, 37] Operation: 55-18=37 Exploring Operation: 85-18=67, Resulting Numbers: [55, 7, 67] Generated Node #0,3: 14:[55, 7, 67] Operation: 85-18=67 Exploring Operation: 85-55=30, Resulting Numbers: [18, 7, 30] Generated Node #0,4: 14:[18, 7, 30] Operation: 85-55=30 Start Sub Search at level 1: Moving to Node #0,4 Current State: 14:[18, 7, 30], Operations: ['85-55=30'] Exploring Operation: 30-18=12, Resulting Numbers: [7, 12] Generated Node #0,4,0: 14:[7, 12] Operation: 30-18=12 Exploring Operation: 18+7=25, Resulting Numbers: [30, 25] Generated Node #0,4,1: 14:[30, 25] Operation: 18+7=25 Exploring Operation: 18-7=11, Resulting Numbers: [30, 11] Generated Node #0,4,2: 14:[30, 11] Operation: 18-7=11 Exploring Operation: 7+30=37, Resulting Numbers: [18, 37] Generated Node #0,4,3: 14:[18, 37] Operation: 7+30=37 Exploring Operation: 30-7=23, Resulting Numbers: [18, 23] Generated Node #0,4,4: 14:[18, 23] Operation: 30-7=23 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 14:[7, 12], Operations: ['85-55=30', '30-18=12'] Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,14 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,14 unequal: No Solution No 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: 14:[18, 23], Operations: ['85-55=30', '30-7=23'] Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,14 unequal: No Solution Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,14 unequal: No Solution No 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: 14:[30, 11], Operations: ['85-55=30', '18-7=11'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,14 unequal: No Solution Exploring Operation: 30*11=330, Resulting Numbers: [330] 330,14 unequal: No Solution Exploring Operation: 30+11=41, Resulting Numbers: [41] 41,14 unequal: No Solution No 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: 14:[30, 25], Operations: ['85-55=30', '18+7=25'] Exploring Operation: 30*25=750, Resulting Numbers: [750] 750,14 unequal: No Solution Exploring Operation: 30+25=55, Resulting Numbers: [55] 55,14 unequal: No Solution Exploring Operation: 30-25=5, Resulting Numbers: [5] 5,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 14:[18, 37], Operations: ['85-55=30', '7+30=37'] Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,14 unequal: No Solution Exploring Operation: 18+37=55, Resulting Numbers: [55] 55,14 unequal: No Solution Exploring Operation: 18*37=666, Resulting Numbers: [666] 666,14 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: 14:[85, 7, 37], Operations: ['55-18=37'] Exploring Operation: 85-37=48, Resulting Numbers: [7, 48] Generated Node #0,2,0: 14:[7, 48] Operation: 85-37=48 Exploring Operation: 85+7=92, Resulting Numbers: [37, 92] Generated Node #0,2,1: 14:[37, 92] Operation: 85+7=92 Exploring Operation: 7+37=44, Resulting Numbers: [85, 44] Generated Node #0,2,2: 14:[85, 44] Operation: 7+37=44 Exploring Operation: 37-7=30, Resulting Numbers: [85, 30] Generated Node #0,2,3: 14:[85, 30] Operation: 37-7=30 Exploring Operation: 85-7=78, Resulting Numbers: [37, 78] Generated Node #0,2,4: 14:[37, 78] Operation: 85-7=78 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 14:[7, 48], Operations: ['55-18=37', '85-37=48'] Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,14 unequal: No Solution Exploring Operation: 7*48=336, Resulting Numbers: [336] 336,14 unequal: No Solution Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,14 unequal: No Solution No 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: 14:[85, 30], Operations: ['55-18=37', '37-7=30'] Exploring Operation: 85+30=115, Resulting Numbers: [115] 115,14 unequal: No Solution Exploring Operation: 85*30=2550, Resulting Numbers: [2550] 2550,14 unequal: No Solution Exploring Operation: 85-30=55, Resulting Numbers: [55] 55,14 unequal: No Solution No 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: 14:[37, 78], Operations: ['55-18=37', '85-7=78'] Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,14 unequal: No Solution Exploring Operation: 37*78=2886, Resulting Numbers: [2886] 2886,14 unequal: No Solution Exploring Operation: 37+78=115, Resulting Numbers: [115] 115,14 unequal: No Solution No 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: 14:[37, 92], Operations: ['55-18=37', '85+7=92'] Exploring Operation: 37*92=3404, Resulting Numbers: [3404] 3404,14 unequal: No Solution Exploring Operation: 37+92=129, Resulting Numbers: [129] 129,14 unequal: No Solution Exploring Operation: 92-37=55, Resulting Numbers: [55] 55,14 unequal: No Solution No 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: 14:[85, 44], Operations: ['55-18=37', '7+37=44'] Exploring Operation: 85+44=129, Resulting Numbers: [129] 129,14 unequal: No Solution Exploring Operation: 85*44=3740, Resulting Numbers: [3740] 3740,14 unequal: No Solution Exploring Operation: 85-44=41, Resulting Numbers: [41] 41,14 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: 14:[55, 7, 67], Operations: ['85-18=67'] Exploring Operation: 55+7=62, Resulting Numbers: [67, 62] Generated Node #0,3,0: 14:[67, 62] Operation: 55+7=62 Exploring Operation: 55-7=48, Resulting Numbers: [67, 48] Generated Node #0,3,1: 14:[67, 48] Operation: 55-7=48 Exploring Operation: 7+67=74, Resulting Numbers: [55, 74] Generated Node #0,3,2: 14:[55, 74] Operation: 7+67=74 Exploring Operation: 67-7=60, Resulting Numbers: [55, 60] Generated Node #0,3,3: 14:[55, 60] Operation: 67-7=60 Exploring Operation: 67-55=12, Resulting Numbers: [7, 12] Generated Node #0,3,4: 14:[7, 12] Operation: 67-55=12 Moving to Node #0,3,4 Current State: 14:[7, 12], Operations: ['85-18=67', '67-55=12'] Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,14 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,14 unequal: No Solution Moving to Node #0,3,3 Current State: 14:[55, 60], Operations: ['85-18=67', '67-7=60'] Exploring Operation: 55+60=115, Resulting Numbers: [115] 115,14 unequal: No Solution Exploring Operation: 55*60=3300, Resulting Numbers: [3300] 3300,14 unequal: No Solution Exploring Operation: 60-55=5, Resulting Numbers: [5] 5,14 unequal: No Solution Moving to Node #0,3,1 Current State: 14:[67, 48], Operations: ['85-18=67', '55-7=48'] Exploring Operation: 67+48=115, Resulting Numbers: [115] 115,14 unequal: No Solution Exploring Operation: 67*48=3216, Resulting Numbers: [3216] 3216,14 unequal: No Solution Exploring Operation: 67-48=19, Resulting Numbers: [19] 19,14 unequal: No Solution Moving to Node #0,3,0 Current State: 14:[67, 62], Operations: ['85-18=67', '55+7=62'] Exploring Operation: 67+62=129, Resulting Numbers: [129] 129,14 unequal: No Solution Exploring Operation: 67*62=4154, Resulting Numbers: [4154] 4154,14 unequal: No Solution Exploring Operation: 67-62=5, Resulting Numbers: [5] 5,14 unequal: No Solution Moving to Node #0,3,2 Current State: 14:[55, 74], Operations: ['85-18=67', '7+67=74'] Exploring Operation: 74-55=19, Resulting Numbers: [19] 19,14 unequal: No Solution Exploring Operation: 55+74=129, Resulting Numbers: [129] 129,14 unequal: No Solution Exploring Operation: 55*74=4070, Resulting Numbers: [4070] 4070,14 unequal: No Solution No 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: 14:[18, 55, 78], Operations: ['85-7=78'] Exploring Operation: 78-18=60, Resulting Numbers: [55, 60] Generated Node #0,0,0: 14:[55, 60] Operation: 78-18=60 Exploring Operation: 78-55=23, Resulting Numbers: [18, 23] Generated Node #0,0,1: 14:[18, 23] Operation: 78-55=23 Exploring Operation: 55-18=37, Resulting Numbers: [78, 37] Generated Node #0,0,2: 14:[78, 37] Operation: 55-18=37 Exploring Operation: 18+55=73, Resulting Numbers: [78, 73] Generated Node #0,0,3: 14:[78, 73] Operation: 18+55=73 Exploring Operation: 18+78=96, Resulting Numbers: [55, 96] Generated Node #0,0,4: 14:[55, 96] Operation: 18+78=96 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 14:[18, 23], Operations: ['85-7=78', '78-55=23'] Exploring Operation: 23-18=5, Resulting Numbers: [5] 5,14 unequal: No Solution Exploring Operation: 18+23=41, Resulting Numbers: [41] 41,14 unequal: No Solution Exploring Operation: 18*23=414, Resulting Numbers: [414] 414,14 unequal: No Solution No 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: 14:[55, 60], Operations: ['85-7=78', '78-18=60'] Exploring Operation: 55+60=115, Resulting Numbers: [115] 115,14 unequal: No Solution Exploring Operation: 55*60=3300, Resulting Numbers: [3300] 3300,14 unequal: No Solution Exploring Operation: 60-55=5, Resulting Numbers: [5] 5,14 unequal: No Solution No 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: 14:[78, 37], Operations: ['85-7=78', '55-18=37'] Exploring Operation: 78-37=41, Resulting Numbers: [41] 41,14 unequal: No Solution Exploring Operation: 78*37=2886, Resulting Numbers: [2886] 2886,14 unequal: No Solution Exploring Operation: 78+37=115, Resulting Numbers: [115] 115,14 unequal: No Solution No 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: 14:[78, 73], Operations: ['85-7=78', '18+55=73'] Exploring Operation: 78*73=5694, Resulting Numbers: [5694] 5694,14 unequal: No Solution Exploring Operation: 78+73=151, Resulting Numbers: [151] 151,14 unequal: No Solution Exploring Operation: 78-73=5, Resulting Numbers: [5] 5,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 14:[55, 96], Operations: ['85-7=78', '18+78=96'] Exploring Operation: 55+96=151, Resulting Numbers: [151] 151,14 unequal: No Solution Exploring Operation: 96-55=41, Resulting Numbers: [41] 41,14 unequal: No Solution Exploring Operation: 55*96=5280, Resulting Numbers: [5280] 5280,14 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: 14:[18, 85, 48], Operations: ['55-7=48'] Exploring Operation: 18+48=66, Resulting Numbers: [85, 66] Generated Node #0,1,0: 14:[85, 66] Operation: 18+48=66 Exploring Operation: 85-18=67, Resulting Numbers: [48, 67] Generated Node #0,1,1: 14:[48, 67] Operation: 85-18=67 Exploring Operation: 85-48=37, Resulting Numbers: [18, 37] Generated Node #0,1,2: 14:[18, 37] Operation: 85-48=37 Exploring Operation: 18+85=103, Resulting Numbers: [48, 103] Generated Node #0,1,3: 14:[48, 103] Operation: 18+85=103 Exploring Operation: 48-18=30, Resulting Numbers: [85, 30] Generated Node #0,1,4: 14:[85, 30] Operation: 48-18=30 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 14:[18, 37], Operations: ['55-7=48', '85-48=37'] Exploring Operation: 18*37=666, Resulting Numbers: [666] 666,14 unequal: No Solution Exploring Operation: 18+37=55, Resulting Numbers: [55] 55,14 unequal: No Solution Exploring Operation: 37-18=19, Resulting Numbers: [19] 19,14 unequal: No Solution No 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: 14:[48, 67], Operations: ['55-7=48', '85-18=67'] Exploring Operation: 48*67=3216, Resulting Numbers: [3216] 3216,14 unequal: No Solution Exploring Operation: 48+67=115, Resulting Numbers: [115] 115,14 unequal: No Solution Exploring Operation: 67-48=19, Resulting Numbers: [19] 19,14 unequal: No Solution No 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: 14:[85, 30], Operations: ['55-7=48', '48-18=30'] Exploring Operation: 85+30=115, Resulting Numbers: [115] 115,14 unequal: No Solution Exploring Operation: 85*30=2550, Resulting Numbers: [2550] 2550,14 unequal: No Solution Exploring Operation: 85-30=55, Resulting Numbers: [55] 55,14 unequal: No Solution No 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: 14:[85, 66], Operations: ['55-7=48', '18+48=66'] Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,14 unequal: No Solution Exploring Operation: 85+66=151, Resulting Numbers: [151] 151,14 unequal: No Solution Exploring Operation: 85*66=5610, Resulting Numbers: [5610] 5610,14 unequal: No Solution No 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: 14:[48, 103], Operations: ['55-7=48', '18+85=103'] Exploring Operation: 103-48=55, Resulting Numbers: [55] 55,14 unequal: No Solution Exploring Operation: 48*103=4944, Resulting Numbers: [4944] 4944,14 unequal: No Solution Exploring Operation: 48+103=151, Resulting Numbers: [151] 151,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 18, 41, 97, 66 ]
54
[ "41-18=23", "97-66=31", "23+31=54" ]
Current State: 54:[18, 41, 97, 66], Operations: [] Exploring Operation: 41-18=23, Resulting Numbers: [97, 66, 23] Generated Node #2: [97, 66, 23] from Operation: 41-18=23 Current State: 54:[97, 66, 23], Operations: ['41-18=23'] Exploring Operation: 97-66=31, Resulting Numbers: [23, 31] Generated Node #3: [23, 31] from Operation: 97-66=31 Current State: 54:[23, 31], Operations: ['41-18=23', '97-66=31'] Exploring Operation: 23+31=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[18, 41, 97, 66], Operations: [] Exploring Operation: 97-41=56, Resulting Numbers: [18, 66, 56] Generated Node #0,0: 54:[18, 66, 56] Operation: 97-41=56 Moving to Node #0,0 Current State: 54:[18, 66, 56], Operations: ['97-41=56'] Exploring Operation: 66-56=10, Resulting Numbers: [18, 10] Generated Node #0,0,0: 54:[18, 10] Operation: 66-56=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[18, 10], Operations: ['97-41=56', '66-56=10'] Exploring Operation: 18+10=28, Resulting Numbers: [28] 28,54 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
[ 24, 49, 32, 56 ]
42
[ "32-24=8", "56/8=7", "49-7=42" ]
Current State: 42:[24, 49, 32, 56], Operations: [] Exploring Operation: 32-24=8, Resulting Numbers: [49, 56, 8] Generated Node #2: [49, 56, 8] from Operation: 32-24=8 Current State: 42:[49, 56, 8], Operations: ['32-24=8'] Exploring Operation: 56/8=7, Resulting Numbers: [49, 7] Generated Node #3: [49, 7] from Operation: 56/8=7 Current State: 42:[49, 7], Operations: ['32-24=8', '56/8=7'] Exploring Operation: 49-7=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[24, 49, 32, 56], Operations: [] Exploring Operation: 56-32=24, Resulting Numbers: [24, 49, 24] Generated Node #0,0: 42:[24, 49, 24] Operation: 56-32=24 Exploring Operation: 49-32=17, Resulting Numbers: [24, 56, 17] Generated Node #0,1: 42:[24, 56, 17] Operation: 49-32=17 Exploring Operation: 56-49=7, Resulting Numbers: [24, 32, 7] Generated Node #0,2: 42:[24, 32, 7] Operation: 56-49=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 42:[24, 49, 24], Operations: ['56-32=24'] Exploring Operation: 49-24=25, Resulting Numbers: [24, 25] Generated Node #0,0,0: 42:[24, 25] Operation: 49-24=25 Exploring Operation: 49-24=25, Resulting Numbers: [24, 25] Generated Node #0,0,1: 42:[24, 25] Operation: 49-24=25 Exploring Operation: 24/24=1, Resulting Numbers: [49, 1] Generated Node #0,0,2: 42:[49, 1] Operation: 24/24=1 Moving to Node #0,0,0 Current State: 42:[24, 25], Operations: ['56-32=24', '49-24=25'] Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,42 unequal: No Solution Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,42 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,42 unequal: No Solution Moving to Node #0,0,1 Current State: 42:[24, 25], Operations: ['56-32=24', '49-24=25'] Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,42 unequal: No Solution Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,42 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,42 unequal: No Solution Moving to Node #0,0,2 Current State: 42:[49, 1], Operations: ['56-32=24', '24/24=1'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,42 unequal: No Solution Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,42 unequal: No Solution Exploring Operation: 49*1=49, Resulting Numbers: [49] 49,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 42:[24, 32, 7], Operations: ['56-49=7'] Exploring Operation: 32+7=39, Resulting Numbers: [24, 39] Generated Node #0,2,0: 42:[24, 39] Operation: 32+7=39 Exploring Operation: 32-7=25, Resulting Numbers: [24, 25] Generated Node #0,2,1: 42:[24, 25] Operation: 32-7=25 Exploring Operation: 32-24=8, Resulting Numbers: [7, 8] Generated Node #0,2,2: 42:[7, 8] Operation: 32-24=8 Moving to Node #0,2,2 Current State: 42:[7, 8], Operations: ['56-49=7', '32-24=8'] Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 7*8=56, Resulting Numbers: [56] 56,42 unequal: No Solution Exploring Operation: 8-7=1, Resulting Numbers: [1] 1,42 unequal: No Solution Moving to Node #0,2,0 Current State: 42:[24, 39], Operations: ['56-49=7', '32+7=39'] Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,42 unequal: No Solution Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,42 unequal: No Solution Moving to Node #0,2,1 Current State: 42:[24, 25], Operations: ['56-49=7', '32-7=25'] Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,42 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,42 unequal: No Solution Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 42:[24, 56, 17], Operations: ['49-32=17'] Exploring Operation: 56-17=39, Resulting Numbers: [24, 39] Generated Node #0,1,0: 42:[24, 39] Operation: 56-17=39 Exploring Operation: 56-24=32, Resulting Numbers: [17, 32] Generated Node #0,1,1: 42:[17, 32] Operation: 56-24=32 Exploring Operation: 24-17=7, Resulting Numbers: [56, 7] Generated Node #0,1,2: 42:[56, 7] Operation: 24-17=7 Moving to Node #0,1,0 Current State: 42:[24, 39], Operations: ['49-32=17', '56-17=39'] Exploring Operation: 24*39=936, Resulting Numbers: [936] 936,42 unequal: No Solution Exploring Operation: 39-24=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 24+39=63, Resulting Numbers: [63] 63,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[17, 32], Operations: ['49-32=17', '56-24=32'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 17+32=49, Resulting Numbers: [49] 49,42 unequal: No Solution Exploring Operation: 17*32=544, Resulting Numbers: [544] 544,42 unequal: No Solution Moving to Node #0,1,2 Current State: 42:[56, 7], Operations: ['49-32=17', '24-17=7'] Exploring Operation: 56/7=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 56+7=63, Resulting Numbers: [63] 63,42 unequal: No Solution Exploring Operation: 56-7=49, Resulting Numbers: [49] 49,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 42, 41, 10, 75 ]
80
[ "42+41=83", "83-75=8", "10*8=80" ]
Current State: 80:[42, 41, 10, 75], Operations: [] Exploring Operation: 42+41=83, Resulting Numbers: [10, 75, 83] Generated Node #2: [10, 75, 83] from Operation: 42+41=83 Current State: 80:[10, 75, 83], Operations: ['42+41=83'] Exploring Operation: 83-75=8, Resulting Numbers: [10, 8] Generated Node #3: [10, 8] from Operation: 83-75=8 Current State: 80:[10, 8], Operations: ['42+41=83', '83-75=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[42, 41, 10, 75], Operations: [] Exploring Operation: 75-42=33, Resulting Numbers: [41, 10, 33] Generated Node #0,0: 80:[41, 10, 33] Operation: 75-42=33 Exploring Operation: 42+41=83, Resulting Numbers: [10, 75, 83] Generated Node #0,1: 80:[10, 75, 83] Operation: 42+41=83 Exploring Operation: 75-41=34, Resulting Numbers: [42, 10, 34] Generated Node #0,2: 80:[42, 10, 34] Operation: 75-41=34 Exploring Operation: 42-41=1, Resulting Numbers: [10, 75, 1] Generated Node #0,3: 80:[10, 75, 1] Operation: 42-41=1 Moving to Node #0,3 Current State: 80:[10, 75, 1], Operations: ['42-41=1'] Exploring Operation: 10/1=10, Resulting Numbers: [75, 10] Generated Node #0,3,0: 80:[75, 10] Operation: 10/1=10 Exploring Operation: 75*1=75, Resulting Numbers: [10, 75] Generated Node #0,3,1: 80:[10, 75] Operation: 75*1=75 Exploring Operation: 10*1=10, Resulting Numbers: [75, 10] Generated Node #0,3,2: 80:[75, 10] Operation: 10*1=10 Exploring Operation: 75+1=76, Resulting Numbers: [10, 76] Generated Node #0,3,3: 80:[10, 76] Operation: 75+1=76 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 80:[10, 76], Operations: ['42-41=1', '75+1=76'] Exploring Operation: 10*76=760, Resulting Numbers: [760] 760,80 unequal: No Solution Exploring Operation: 76-10=66, Resulting Numbers: [66] 66,80 unequal: No Solution Exploring Operation: 10+76=86, Resulting Numbers: [86] 86,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 80:[75, 10], Operations: ['42-41=1', '10/1=10'] Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,80 unequal: No Solution Exploring Operation: 75*10=750, Resulting Numbers: [750] 750,80 unequal: No Solution Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 80:[10, 75], Operations: ['42-41=1', '75*1=75'] Exploring Operation: 10*75=750, Resulting Numbers: [750] 750,80 unequal: No Solution Exploring Operation: 10+75=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 80:[75, 10], Operations: ['42-41=1', '10*1=10'] Exploring Operation: 75*10=750, Resulting Numbers: [750] 750,80 unequal: No Solution Exploring Operation: 75+10=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 75-10=65, Resulting Numbers: [65] 65,80 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: 80:[10, 75, 83], Operations: ['42+41=83'] Exploring Operation: 83-75=8, Resulting Numbers: [10, 8] Generated Node #0,1,0: 80:[10, 8] Operation: 83-75=8 Exploring Operation: 83-10=73, Resulting Numbers: [75, 73] Generated Node #0,1,1: 80:[75, 73] Operation: 83-10=73 Exploring Operation: 10+75=85, Resulting Numbers: [83, 85] Generated Node #0,1,2: 80:[83, 85] Operation: 10+75=85 Exploring Operation: 75-10=65, Resulting Numbers: [83, 65] Generated Node #0,1,3: 80:[83, 65] Operation: 75-10=65 Moving to Node #0,0 Current State: 80:[41, 10, 33], Operations: ['75-42=33'] Exploring Operation: 41+33=74, Resulting Numbers: [10, 74] Generated Node #0,0,0: 80:[10, 74] Operation: 41+33=74 Exploring Operation: 10+33=43, Resulting Numbers: [41, 43] Generated Node #0,0,1: 80:[41, 43] Operation: 10+33=43 Exploring Operation: 41-33=8, Resulting Numbers: [10, 8] Generated Node #0,0,2: 80:[10, 8] Operation: 41-33=8 Exploring Operation: 33-10=23, Resulting Numbers: [41, 23] Generated Node #0,0,3: 80:[41, 23] Operation: 33-10=23 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 80:[10, 8], Operations: ['75-42=33', '41-33=8'] Exploring Operation: 10+8=18, Resulting Numbers: [18] 18,80 unequal: No Solution Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[42, 41, 10, 75], Operations: [] Exploring Operation: 75-42=33, Resulting Numbers: [41, 10, 33] Generated Node #0,0: 80:[41, 10, 33] Operation: 75-42=33 Moving to Node #0,0 Current State: 80:[41, 10, 33], Operations: ['75-42=33'] Exploring Operation: 41-33=8, Resulting Numbers: [10, 8] Generated Node #0,0,2: 80:[10, 8] Operation: 41-33=8 Moving to Node #0,0,2 Current State: 80:[10, 8], Operations: ['75-42=33', '41-33=8'] Exploring Operation: 10*8=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.970486
hs_4
mult_heuristic
[ 11, 82, 28, 90 ]
84
[ "11+82=93", "93-90=3", "28*3=84" ]
Current State: 84:[11, 82, 28, 90], Operations: [] Exploring Operation: 11+82=93, Resulting Numbers: [28, 90, 93] Generated Node #2: [28, 90, 93] from Operation: 11+82=93 Current State: 84:[28, 90, 93], Operations: ['11+82=93'] Exploring Operation: 93-90=3, Resulting Numbers: [28, 3] Generated Node #3: [28, 3] from Operation: 93-90=3 Current State: 84:[28, 3], Operations: ['11+82=93', '93-90=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[11, 82, 28, 90], Operations: [] Exploring Operation: 28-11=17, Resulting Numbers: [82, 90, 17] Generated Node #0,0: 84:[82, 90, 17] Operation: 28-11=17 Exploring Operation: 90-82=8, Resulting Numbers: [11, 28, 8] Generated Node #0,1: 84:[11, 28, 8] Operation: 90-82=8 Exploring Operation: 11+28=39, Resulting Numbers: [82, 90, 39] Generated Node #0,2: 84:[82, 90, 39] Operation: 11+28=39 Exploring Operation: 90-11=79, Resulting Numbers: [82, 28, 79] Generated Node #0,3: 84:[82, 28, 79] Operation: 90-11=79 Moving to Node #0,1 Current State: 84:[11, 28, 8], Operations: ['90-82=8'] Exploring Operation: 11-8=3, Resulting Numbers: [28, 3] Generated Node #0,1,0: 84:[28, 3] Operation: 11-8=3 Exploring Operation: 11+28=39, Resulting Numbers: [8, 39] Generated Node #0,1,1: 84:[8, 39] Operation: 11+28=39 Exploring Operation: 28-8=20, Resulting Numbers: [11, 20] Generated Node #0,1,2: 84:[11, 20] Operation: 28-8=20 Exploring Operation: 11+8=19, Resulting Numbers: [28, 19] Generated Node #0,1,3: 84:[28, 19] Operation: 11+8=19 Moving to Node #0,3 Current State: 84:[82, 28, 79], Operations: ['90-11=79'] Exploring Operation: 79-28=51, Resulting Numbers: [82, 51] Generated Node #0,3,0: 84:[82, 51] Operation: 79-28=51 Exploring Operation: 82-28=54, Resulting Numbers: [79, 54] Generated Node #0,3,1: 84:[79, 54] Operation: 82-28=54 Exploring Operation: 82-79=3, Resulting Numbers: [28, 3] Generated Node #0,3,2: 84:[28, 3] Operation: 82-79=3 Exploring Operation: 28+79=107, Resulting Numbers: [82, 107] Generated Node #0,3,3: 84:[82, 107] Operation: 28+79=107 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 84:[28, 3], Operations: ['90-11=79', '82-79=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[11, 82, 28, 90], Operations: [] Exploring Operation: 90-11=79, Resulting Numbers: [82, 28, 79] Generated Node #0,3: 84:[82, 28, 79] Operation: 90-11=79 Moving to Node #0,3 Current State: 84:[82, 28, 79], Operations: ['90-11=79'] Exploring Operation: 82-79=3, Resulting Numbers: [28, 3] Generated Node #0,3,2: 84:[28, 3] Operation: 82-79=3 Moving to Node #0,3,2 Current State: 84:[28, 3], Operations: ['90-11=79', '82-79=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 96, 6, 90, 43 ]
55
[ "96+6=102", "90-43=47", "102-47=55" ]
Current State: 55:[96, 6, 90, 43], Operations: [] Exploring Operation: 96+6=102, Resulting Numbers: [90, 43, 102] Generated Node #2: [90, 43, 102] from Operation: 96+6=102 Current State: 55:[90, 43, 102], Operations: ['96+6=102'] Exploring Operation: 90-43=47, Resulting Numbers: [102, 47] Generated Node #3: [102, 47] from Operation: 90-43=47 Current State: 55:[102, 47], Operations: ['96+6=102', '90-43=47'] Exploring Operation: 102-47=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[96, 6, 90, 43], Operations: [] Exploring Operation: 96-90=6, Resulting Numbers: [6, 43, 6] Generated Node #0,0: 55:[6, 43, 6] Operation: 96-90=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[6, 43, 6], Operations: ['96-90=6'] Exploring Operation: 6+43=49, Resulting Numbers: [6, 49] Generated Node #0,0,0: 55:[6, 49] Operation: 6+43=49 Moving to Node #0,0,0 Current State: 55:[6, 49], Operations: ['96-90=6', '6+43=49'] Exploring Operation: 6+49=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[96, 6, 90, 43], Operations: [] Exploring Operation: 96-90=6, Resulting Numbers: [6, 43, 6] Generated Node #0,0: 55:[6, 43, 6] Operation: 96-90=6 Moving to Node #0,0 Current State: 55:[6, 43, 6], Operations: ['96-90=6'] Exploring Operation: 6+43=49, Resulting Numbers: [6, 49] Generated Node #0,0,0: 55:[6, 49] Operation: 6+43=49 Moving to Node #0,0,0 Current State: 55:[6, 49], Operations: ['96-90=6', '6+43=49'] Exploring Operation: 6+49=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 49, 54, 85, 31 ]
49
[ "49+54=103", "85-31=54", "103-54=49" ]
Current State: 49:[49, 54, 85, 31], Operations: [] Exploring Operation: 49+54=103, Resulting Numbers: [85, 31, 103] Generated Node #2: [85, 31, 103] from Operation: 49+54=103 Current State: 49:[85, 31, 103], Operations: ['49+54=103'] Exploring Operation: 85-31=54, Resulting Numbers: [103, 54] Generated Node #3: [103, 54] from Operation: 85-31=54 Current State: 49:[103, 54], Operations: ['49+54=103', '85-31=54'] Exploring Operation: 103-54=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[49, 54, 85, 31], Operations: [] Exploring Operation: 85-49=36, Resulting Numbers: [54, 31, 36] Generated Node #0,0: 49:[54, 31, 36] Operation: 85-49=36 Exploring Operation: 85-31=54, Resulting Numbers: [49, 54, 54] Generated Node #0,1: 49:[49, 54, 54] Operation: 85-31=54 Exploring Operation: 85-54=31, Resulting Numbers: [49, 31, 31] Generated Node #0,2: 49:[49, 31, 31] Operation: 85-54=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 49:[49, 54, 54], Operations: ['85-31=54'] Exploring Operation: 54-49=5, Resulting Numbers: [54, 5] Generated Node #0,1,0: 49:[54, 5] Operation: 54-49=5 Exploring Operation: 54/54=1, Resulting Numbers: [49, 1] Generated Node #0,1,1: 49:[49, 1] Operation: 54/54=1 Exploring Operation: 54-49=5, Resulting Numbers: [54, 5] Generated Node #0,1,2: 49:[54, 5] Operation: 54-49=5 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 49:[49, 1], Operations: ['85-31=54', '54/54=1'] Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[49, 54, 85, 31], Operations: [] Exploring Operation: 85-31=54, Resulting Numbers: [49, 54, 54] Generated Node #0,1: 49:[49, 54, 54] Operation: 85-31=54 Moving to Node #0,1 Current State: 49:[49, 54, 54], Operations: ['85-31=54'] Exploring Operation: 54/54=1, Resulting Numbers: [49, 1] Generated Node #0,1,1: 49:[49, 1] Operation: 54/54=1 Moving to Node #0,1,1 Current State: 49:[49, 1], Operations: ['85-31=54', '54/54=1'] Exploring Operation: 49/1=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 82, 4, 56, 15 ]
53
[ "82-15=67", "56/4=14", "67-14=53" ]
Current State: 53:[82, 4, 56, 15], Operations: [] Exploring Operation: 82-15=67, Resulting Numbers: [4, 56, 67] Generated Node #2: [4, 56, 67] from Operation: 82-15=67 Current State: 53:[4, 56, 67], Operations: ['82-15=67'] Exploring Operation: 56/4=14, Resulting Numbers: [67, 14] Generated Node #3: [67, 14] from Operation: 56/4=14 Current State: 53:[67, 14], Operations: ['82-15=67', '56/4=14'] Exploring Operation: 67-14=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[82, 4, 56, 15], Operations: [] Exploring Operation: 82-4=78, Resulting Numbers: [56, 15, 78] Generated Node #0,0: 53:[56, 15, 78] Operation: 82-4=78 Exploring Operation: 4*15=60, Resulting Numbers: [82, 56, 60] Generated Node #0,1: 53:[82, 56, 60] Operation: 4*15=60 Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[82, 56, 60], Operations: ['4*15=60'] Exploring Operation: 82-60=22, Resulting Numbers: [56, 22] Generated Node #0,1,0: 53:[56, 22] Operation: 82-60=22 Exploring Operation: 82-56=26, Resulting Numbers: [60, 26] Generated Node #0,1,1: 53:[60, 26] Operation: 82-56=26 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[56, 22], Operations: ['4*15=60', '82-60=22'] Exploring Operation: 56+22=78, Resulting Numbers: [78] 78,53 unequal: No Solution Exploring Operation: 56-22=34, Resulting Numbers: [34] 34,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[60, 26], Operations: ['4*15=60', '82-56=26'] Exploring Operation: 60+26=86, Resulting Numbers: [86] 86,53 unequal: No Solution Exploring Operation: 60-26=34, Resulting Numbers: [34] 34,53 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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[56, 15, 78], Operations: ['82-4=78'] Exploring Operation: 56-15=41, Resulting Numbers: [78, 41] Generated Node #0,0,0: 53:[78, 41] Operation: 56-15=41 Exploring Operation: 78-15=63, Resulting Numbers: [56, 63] Generated Node #0,0,1: 53:[56, 63] Operation: 78-15=63 Moving to Node #0,0,1 Current State: 53:[56, 63], Operations: ['82-4=78', '78-15=63'] Exploring Operation: 56+63=119, Resulting Numbers: [119] 119,53 unequal: No Solution Exploring Operation: 63-56=7, Resulting Numbers: [7] 7,53 unequal: No Solution Moving to Node #0,0,0 Current State: 53:[78, 41], Operations: ['82-4=78', '56-15=41'] Exploring Operation: 78-41=37, Resulting Numbers: [37] 37,53 unequal: No Solution Exploring Operation: 78+41=119, Resulting Numbers: [119] 119,53 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
[ 50, 41, 81, 68 ]
85
[ "50*68=3400", "81-41=40", "3400/40=85" ]
Current State: 85:[50, 41, 81, 68], Operations: [] Exploring Operation: 50*68=3400, Resulting Numbers: [41, 81, 3400] Generated Node #2: [41, 81, 3400] from Operation: 50*68=3400 Current State: 85:[41, 81, 3400], Operations: ['50*68=3400'] Exploring Operation: 81-41=40, Resulting Numbers: [3400, 40] Generated Node #3: [3400, 40] from Operation: 81-41=40 Current State: 85:[3400, 40], Operations: ['50*68=3400', '81-41=40'] Exploring Operation: 3400/40=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[50, 41, 81, 68], Operations: [] Exploring Operation: 50+41=91, Resulting Numbers: [81, 68, 91] Generated Node #0,0: 85:[81, 68, 91] Operation: 50+41=91 Exploring Operation: 68-41=27, Resulting Numbers: [50, 81, 27] Generated Node #0,1: 85:[50, 81, 27] Operation: 68-41=27 Exploring Operation: 68-50=18, Resulting Numbers: [41, 81, 18] Generated Node #0,2: 85:[41, 81, 18] Operation: 68-50=18 Exploring Operation: 50-41=9, Resulting Numbers: [81, 68, 9] Generated Node #0,3: 85:[81, 68, 9] Operation: 50-41=9 Start Sub Search at level 1: Moving to Node #0,3 Current State: 85:[81, 68, 9], Operations: ['50-41=9'] Exploring Operation: 81+9=90, Resulting Numbers: [68, 90] Generated Node #0,3,0: 85:[68, 90] Operation: 81+9=90 Exploring Operation: 68+9=77, Resulting Numbers: [81, 77] Generated Node #0,3,1: 85:[81, 77] Operation: 68+9=77 Exploring Operation: 81/9=9, Resulting Numbers: [68, 9] Generated Node #0,3,2: 85:[68, 9] Operation: 81/9=9 Exploring Operation: 81-68=13, Resulting Numbers: [9, 13] Generated Node #0,3,3: 85:[9, 13] Operation: 81-68=13 Moving to Node #0,3,3 Current State: 85:[9, 13], Operations: ['50-41=9', '81-68=13'] Exploring Operation: 13-9=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 9*13=117, Resulting Numbers: [117] 117,85 unequal: No Solution Exploring Operation: 9+13=22, Resulting Numbers: [22] 22,85 unequal: No Solution Moving to Node #0,3,1 Current State: 85:[81, 77], Operations: ['50-41=9', '68+9=77'] Exploring Operation: 81-77=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 81+77=158, Resulting Numbers: [158] 158,85 unequal: No Solution Exploring Operation: 81*77=6237, Resulting Numbers: [6237] 6237,85 unequal: No Solution Moving to Node #0,3,2 Current State: 85:[68, 9], Operations: ['50-41=9', '81/9=9'] Exploring Operation: 68+9=77, Resulting Numbers: [77] 77,85 unequal: No Solution Exploring Operation: 68*9=612, Resulting Numbers: [612] 612,85 unequal: No Solution Exploring Operation: 68-9=59, Resulting Numbers: [59] 59,85 unequal: No Solution Moving to Node #0,3,0 Current State: 85:[68, 90], Operations: ['50-41=9', '81+9=90'] Exploring Operation: 68*90=6120, Resulting Numbers: [6120] 6120,85 unequal: No Solution Exploring Operation: 90-68=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 68+90=158, Resulting Numbers: [158] 158,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[81, 68, 91], Operations: ['50+41=91'] Exploring Operation: 81-68=13, Resulting Numbers: [91, 13] Generated Node #0,0,0: 85:[91, 13] Operation: 81-68=13 Exploring Operation: 91-68=23, Resulting Numbers: [81, 23] Generated Node #0,0,1: 85:[81, 23] Operation: 91-68=23 Exploring Operation: 81+68=149, Resulting Numbers: [91, 149] Generated Node #0,0,2: 85:[91, 149] Operation: 81+68=149 Exploring Operation: 91-81=10, Resulting Numbers: [68, 10] Generated Node #0,0,3: 85:[68, 10] Operation: 91-81=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 85:[91, 13], Operations: ['50+41=91', '81-68=13'] Exploring Operation: 91/13=7, Resulting Numbers: [7] 7,85 unequal: No Solution Exploring Operation: 91+13=104, Resulting Numbers: [104] 104,85 unequal: No Solution Exploring Operation: 91-13=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 91*13=1183, Resulting Numbers: [1183] 1183,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 85:[81, 23], Operations: ['50+41=91', '91-68=23'] Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,85 unequal: No Solution Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,85 unequal: No Solution Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 85:[68, 10], Operations: ['50+41=91', '91-81=10'] Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,85 unequal: No Solution Exploring Operation: 68+10=78, Resulting Numbers: [78] 78,85 unequal: No Solution Exploring Operation: 68*10=680, Resulting Numbers: [680] 680,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 85:[91, 149], Operations: ['50+41=91', '81+68=149'] Exploring Operation: 91*149=13559, Resulting Numbers: [13559] 13559,85 unequal: No Solution Exploring Operation: 91+149=240, Resulting Numbers: [240] 240,85 unequal: No Solution Exploring Operation: 149-91=58, Resulting Numbers: [58] 58,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 85:[41, 81, 18], Operations: ['68-50=18'] Exploring Operation: 41-18=23, Resulting Numbers: [81, 23] Generated Node #0,2,0: 85:[81, 23] Operation: 41-18=23 Exploring Operation: 41+81=122, Resulting Numbers: [18, 122] Generated Node #0,2,1: 85:[18, 122] Operation: 41+81=122 Exploring Operation: 81-41=40, Resulting Numbers: [18, 40] Generated Node #0,2,2: 85:[18, 40] Operation: 81-41=40 Exploring Operation: 41+18=59, Resulting Numbers: [81, 59] Generated Node #0,2,3: 85:[81, 59] Operation: 41+18=59 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 85:[81, 23], Operations: ['68-50=18', '41-18=23'] Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,85 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,85 unequal: No Solution Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 85:[18, 40], Operations: ['68-50=18', '81-41=40'] Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,85 unequal: No Solution Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 85:[81, 59], Operations: ['68-50=18', '41+18=59'] Exploring Operation: 81+59=140, Resulting Numbers: [140] 140,85 unequal: No Solution Exploring Operation: 81-59=22, Resulting Numbers: [22] 22,85 unequal: No Solution Exploring Operation: 81*59=4779, Resulting Numbers: [4779] 4779,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 85:[18, 122], Operations: ['68-50=18', '41+81=122'] Exploring Operation: 18*122=2196, Resulting Numbers: [2196] 2196,85 unequal: No Solution Exploring Operation: 122-18=104, Resulting Numbers: [104] 104,85 unequal: No Solution Exploring Operation: 18+122=140, Resulting Numbers: [140] 140,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 85:[50, 81, 27], Operations: ['68-41=27'] Exploring Operation: 81/27=3, Resulting Numbers: [50, 3] Generated Node #0,1,0: 85:[50, 3] Operation: 81/27=3 Exploring Operation: 50-27=23, Resulting Numbers: [81, 23] Generated Node #0,1,1: 85:[81, 23] Operation: 50-27=23 Exploring Operation: 50+27=77, Resulting Numbers: [81, 77] Generated Node #0,1,2: 85:[81, 77] Operation: 50+27=77 Exploring Operation: 81-50=31, Resulting Numbers: [27, 31] Generated Node #0,1,3: 85:[27, 31] Operation: 81-50=31 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 85:[81, 23], Operations: ['68-41=27', '50-27=23'] Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,85 unequal: No Solution Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,85 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 85:[81, 77], Operations: ['68-41=27', '50+27=77'] Exploring Operation: 81-77=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 81+77=158, Resulting Numbers: [158] 158,85 unequal: No Solution Exploring Operation: 81*77=6237, Resulting Numbers: [6237] 6237,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 85:[27, 31], Operations: ['68-41=27', '81-50=31'] Exploring Operation: 27*31=837, Resulting Numbers: [837] 837,85 unequal: No Solution Exploring Operation: 27+31=58, Resulting Numbers: [58] 58,85 unequal: No Solution Exploring Operation: 31-27=4, Resulting Numbers: [4] 4,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 85:[50, 3], Operations: ['68-41=27', '81/27=3'] Exploring Operation: 50*3=150, Resulting Numbers: [150] 150,85 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,85 unequal: No Solution Exploring Operation: 50+3=53, Resulting Numbers: [53] 53,85 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 10, 54, 82, 52 ]
62
[ "54-52=2", "10*2=20", "82-20=62" ]
Current State: 62:[10, 54, 82, 52], Operations: [] Exploring Operation: 54-52=2, Resulting Numbers: [10, 82, 2] Generated Node #2: [10, 82, 2] from Operation: 54-52=2 Current State: 62:[10, 82, 2], Operations: ['54-52=2'] Exploring Operation: 10*2=20, Resulting Numbers: [82, 20] Generated Node #3: [82, 20] from Operation: 10*2=20 Current State: 62:[82, 20], Operations: ['54-52=2', '10*2=20'] Exploring Operation: 82-20=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[10, 54, 82, 52], Operations: [] Exploring Operation: 82-52=30, Resulting Numbers: [10, 54, 30] Generated Node #0,0: 62:[10, 54, 30] Operation: 82-52=30 Exploring Operation: 82-54=28, Resulting Numbers: [10, 52, 28] Generated Node #0,1: 62:[10, 52, 28] Operation: 82-54=28 Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[10, 54, 30], Operations: ['82-52=30'] Exploring Operation: 10+54=64, Resulting Numbers: [30, 64] Generated Node #0,0,0: 62:[30, 64] Operation: 10+54=64 Exploring Operation: 30/10=3, Resulting Numbers: [54, 3] Generated Node #0,0,1: 62:[54, 3] Operation: 30/10=3 Moving to Node #0,0,0 Current State: 62:[30, 64], Operations: ['82-52=30', '10+54=64'] Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,62 unequal: No Solution Exploring Operation: 30+64=94, Resulting Numbers: [94] 94,62 unequal: No Solution Moving to Node #0,0,1 Current State: 62:[54, 3], Operations: ['82-52=30', '30/10=3'] Exploring Operation: 54+3=57, Resulting Numbers: [57] 57,62 unequal: No Solution Exploring Operation: 54-3=51, Resulting Numbers: [51] 51,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[10, 52, 28], Operations: ['82-54=28'] Exploring Operation: 10+52=62, Resulting Numbers: [28, 62] Generated Node #0,1,0: 62:[28, 62] Operation: 10+52=62 Exploring Operation: 52-10=42, Resulting Numbers: [28, 42] Generated Node #0,1,1: 62:[28, 42] Operation: 52-10=42 Moving to Node #0,1,0 Current State: 62:[28, 62], Operations: ['82-54=28', '10+52=62'] Exploring Operation: 28+62=90, Resulting Numbers: [90] 90,62 unequal: No Solution Exploring Operation: 62-28=34, Resulting Numbers: [34] 34,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[28, 42], Operations: ['82-54=28', '52-10=42'] Exploring Operation: 28+42=70, Resulting Numbers: [70] 70,62 unequal: No Solution Exploring Operation: 42-28=14, Resulting Numbers: [14] 14,62 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
[ 3, 84, 14, 23 ]
14
[ "3+14=17", "23-17=6", "84/6=14" ]
Current State: 14:[3, 84, 14, 23], Operations: [] Exploring Operation: 3+14=17, Resulting Numbers: [84, 23, 17] Generated Node #2: [84, 23, 17] from Operation: 3+14=17 Current State: 14:[84, 23, 17], Operations: ['3+14=17'] Exploring Operation: 23-17=6, Resulting Numbers: [84, 6] Generated Node #3: [84, 6] from Operation: 23-17=6 Current State: 14:[84, 6], Operations: ['3+14=17', '23-17=6'] Exploring Operation: 84/6=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[3, 84, 14, 23], Operations: [] Exploring Operation: 84-23=61, Resulting Numbers: [3, 14, 61] Generated Node #0,0: 14:[3, 14, 61] Operation: 84-23=61 Exploring Operation: 84/3=28, Resulting Numbers: [14, 23, 28] Generated Node #0,1: 14:[14, 23, 28] Operation: 84/3=28 Exploring Operation: 84-14=70, Resulting Numbers: [3, 23, 70] Generated Node #0,2: 14:[3, 23, 70] Operation: 84-14=70 Exploring Operation: 84/14=6, Resulting Numbers: [3, 23, 6] Generated Node #0,3: 14:[3, 23, 6] Operation: 84/14=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[3, 23, 6], Operations: ['84/14=6'] Exploring Operation: 23-3=20, Resulting Numbers: [6, 20] Generated Node #0,3,0: 14:[6, 20] Operation: 23-3=20 Exploring Operation: 6-3=3, Resulting Numbers: [23, 3] Generated Node #0,3,1: 14:[23, 3] Operation: 6-3=3 Exploring Operation: 23-6=17, Resulting Numbers: [3, 17] Generated Node #0,3,2: 14:[3, 17] Operation: 23-6=17 Exploring Operation: 6/3=2, Resulting Numbers: [23, 2] Generated Node #0,3,3: 14:[23, 2] Operation: 6/3=2 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 14:[3, 17], Operations: ['84/14=6', '23-6=17'] Exploring Operation: 3*17=51, Resulting Numbers: [51] 51,14 unequal: No Solution Exploring Operation: 3+17=20, Resulting Numbers: [20] 20,14 unequal: No Solution Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[3, 84, 14, 23], Operations: [] Exploring Operation: 84/14=6, Resulting Numbers: [3, 23, 6] Generated Node #0,3: 14:[3, 23, 6] Operation: 84/14=6 Moving to Node #0,3 Current State: 14:[3, 23, 6], Operations: ['84/14=6'] Exploring Operation: 23-6=17, Resulting Numbers: [3, 17] Generated Node #0,3,2: 14:[3, 17] Operation: 23-6=17 Moving to Node #0,3,2 Current State: 14:[3, 17], Operations: ['84/14=6', '23-6=17'] Exploring Operation: 17-3=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 78, 33, 2, 12 ]
39
[ "78-33=45", "12/2=6", "45-6=39" ]
Current State: 39:[78, 33, 2, 12], Operations: [] Exploring Operation: 78-33=45, Resulting Numbers: [2, 12, 45] Generated Node #2: [2, 12, 45] from Operation: 78-33=45 Current State: 39:[2, 12, 45], Operations: ['78-33=45'] Exploring Operation: 12/2=6, Resulting Numbers: [45, 6] Generated Node #3: [45, 6] from Operation: 12/2=6 Current State: 39:[45, 6], Operations: ['78-33=45', '12/2=6'] Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[78, 33, 2, 12], Operations: [] Exploring Operation: 78/2=39, Resulting Numbers: [33, 12, 39] Generated Node #0,0: 39:[33, 12, 39] Operation: 78/2=39 Exploring Operation: 78-33=45, Resulting Numbers: [2, 12, 45] Generated Node #0,1: 39:[2, 12, 45] Operation: 78-33=45 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[33, 12, 39], Operations: ['78/2=39'] Exploring Operation: 39-33=6, Resulting Numbers: [12, 6] Generated Node #0,0,0: 39:[12, 6] Operation: 39-33=6 Exploring Operation: 33+12=45, Resulting Numbers: [39, 45] Generated Node #0,0,1: 39:[39, 45] Operation: 33+12=45 Moving to Node #0,0,0 Current State: 39:[12, 6], Operations: ['78/2=39', '39-33=6'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,39 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[39, 45], Operations: ['78/2=39', '33+12=45'] Exploring Operation: 39+45=84, Resulting Numbers: [84] 84,39 unequal: No Solution Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,39 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 Current State: 39:[2, 12, 45], Operations: ['78-33=45'] Exploring Operation: 45-2=43, Resulting Numbers: [12, 43] Generated Node #0,1,0: 39:[12, 43] Operation: 45-2=43 Exploring Operation: 2+12=14, Resulting Numbers: [45, 14] Generated Node #0,1,1: 39:[45, 14] Operation: 2+12=14 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 39:[12, 43], Operations: ['78-33=45', '45-2=43'] Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,39 unequal: No Solution Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 39:[45, 14], Operations: ['78-33=45', '2+12=14'] Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,39 unequal: No Solution Exploring Operation: 45+14=59, Resulting Numbers: [59] 59,39 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 17, 21, 21, 19 ]
17
[ "21-21=0", "19*0=0", "17+0=17" ]
Current State: 17:[17, 21, 21, 19], Operations: [] Exploring Operation: 21-21=0, Resulting Numbers: [17, 19, 0] Generated Node #2: [17, 19, 0] from Operation: 21-21=0 Current State: 17:[17, 19, 0], Operations: ['21-21=0'] Exploring Operation: 19*0=0, Resulting Numbers: [17, 0] Generated Node #3: [17, 0] from Operation: 19*0=0 Current State: 17:[17, 0], Operations: ['21-21=0', '19*0=0'] Exploring Operation: 17+0=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[17, 21, 21, 19], Operations: [] Exploring Operation: 21-17=4, Resulting Numbers: [21, 19, 4] Generated Node #0,0: 17:[21, 19, 4] Operation: 21-17=4 Exploring Operation: 21/21=1, Resulting Numbers: [17, 19, 1] Generated Node #0,1: 17:[17, 19, 1] Operation: 21/21=1 Exploring Operation: 21-17=4, Resulting Numbers: [21, 19, 4] Generated Node #0,2: 17:[21, 19, 4] Operation: 21-17=4 Moving to Node #0,1 Current State: 17:[17, 19, 1], Operations: ['21/21=1'] Exploring Operation: 17*1=17, Resulting Numbers: [19, 17] Generated Node #0,1,0: 17:[19, 17] Operation: 17*1=17 Exploring Operation: 17/1=17, Resulting Numbers: [19, 17] Generated Node #0,1,1: 17:[19, 17] Operation: 17/1=17 Exploring Operation: 19-1=18, Resulting Numbers: [17, 18] Generated Node #0,1,2: 17:[17, 18] Operation: 19-1=18 Moving to Node #0,0 Current State: 17:[21, 19, 4], Operations: ['21-17=4'] Exploring Operation: 21+4=25, Resulting Numbers: [19, 25] Generated Node #0,0,0: 17:[19, 25] Operation: 21+4=25 Exploring Operation: 21-4=17, Resulting Numbers: [19, 17] Generated Node #0,0,1: 17:[19, 17] Operation: 21-4=17 Exploring Operation: 19-4=15, Resulting Numbers: [21, 15] Generated Node #0,0,2: 17:[21, 15] Operation: 19-4=15 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[19, 17], Operations: ['21-17=4', '21-4=17'] Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,17 unequal: No Solution Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[21, 15], Operations: ['21-17=4', '19-4=15'] Exploring Operation: 21*15=315, Resulting Numbers: [315] 315,17 unequal: No Solution Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[19, 25], Operations: ['21-17=4', '21+4=25'] Exploring Operation: 19*25=475, Resulting Numbers: [475] 475,17 unequal: No Solution Exploring Operation: 19+25=44, Resulting Numbers: [44] 44,17 unequal: No Solution Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 17:[21, 19, 4], Operations: ['21-17=4'] Exploring Operation: 19-4=15, Resulting Numbers: [21, 15] Generated Node #0,2,0: 17:[21, 15] Operation: 19-4=15 Exploring Operation: 21-4=17, Resulting Numbers: [19, 17] Generated Node #0,2,1: 17:[19, 17] Operation: 21-4=17 Exploring Operation: 21+4=25, Resulting Numbers: [19, 25] Generated Node #0,2,2: 17:[19, 25] Operation: 21+4=25 Moving to Node #0,1,2 Current State: 17:[17, 18], Operations: ['21/21=1', '19-1=18'] Exploring Operation: 17*18=306, Resulting Numbers: [306] 306,17 unequal: No Solution Exploring Operation: 18-17=1, Resulting Numbers: [1] 1,17 unequal: No Solution Exploring Operation: 17+18=35, Resulting Numbers: [35] 35,17 unequal: No Solution Moving to Node #0,1,1 Current State: 17:[19, 17], Operations: ['21/21=1', '17/1=17'] Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[19, 17], Operations: ['21/21=1', '17*1=17'] Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,17 unequal: No Solution Moving to Node #0,2,1 Current State: 17:[19, 17], Operations: ['21-17=4', '21-4=17'] Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,17 unequal: No Solution Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,17 unequal: No Solution Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,17 unequal: No Solution Moving to Node #0,2,0 Current State: 17:[21, 15], Operations: ['21-17=4', '19-4=15'] Exploring Operation: 21*15=315, Resulting Numbers: [315] 315,17 unequal: No Solution Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,17 unequal: No Solution Moving to Node #0,2,2 Current State: 17:[19, 25], Operations: ['21-17=4', '21+4=25'] Exploring Operation: 19*25=475, Resulting Numbers: [475] 475,17 unequal: No Solution Exploring Operation: 25-19=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 19+25=44, Resulting Numbers: [44] 44,17 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 80, 8, 61, 54 ]
79
[ "80-8=72", "61-54=7", "72+7=79" ]
Current State: 79:[80, 8, 61, 54], Operations: [] Exploring Operation: 80-8=72, Resulting Numbers: [61, 54, 72] Generated Node #2: [61, 54, 72] from Operation: 80-8=72 Current State: 79:[61, 54, 72], Operations: ['80-8=72'] Exploring Operation: 61-54=7, Resulting Numbers: [72, 7] Generated Node #3: [72, 7] from Operation: 61-54=7 Current State: 79:[72, 7], Operations: ['80-8=72', '61-54=7'] Exploring Operation: 72+7=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[80, 8, 61, 54], Operations: [] Exploring Operation: 8+54=62, Resulting Numbers: [80, 61, 62] Generated Node #0,0: 79:[80, 61, 62] Operation: 8+54=62 Exploring Operation: 8+61=69, Resulting Numbers: [80, 54, 69] Generated Node #0,1: 79:[80, 54, 69] Operation: 8+61=69 Moving to Node #0,0 Current State: 79:[80, 61, 62], Operations: ['8+54=62'] Exploring Operation: 80-61=19, Resulting Numbers: [62, 19] Generated Node #0,0,0: 79:[62, 19] Operation: 80-61=19 Exploring Operation: 61+62=123, Resulting Numbers: [80, 123] Generated Node #0,0,1: 79:[80, 123] Operation: 61+62=123 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[80, 123], Operations: ['8+54=62', '61+62=123'] Exploring Operation: 123-80=43, Resulting Numbers: [43] 43,79 unequal: No Solution Exploring Operation: 80+123=203, Resulting Numbers: [203] 203,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[62, 19], Operations: ['8+54=62', '80-61=19'] Exploring Operation: 62+19=81, Resulting Numbers: [81] 81,79 unequal: No Solution Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,79 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: 79:[80, 54, 69], Operations: ['8+61=69'] Exploring Operation: 80-54=26, Resulting Numbers: [69, 26] Generated Node #0,1,0: 79:[69, 26] Operation: 80-54=26 Exploring Operation: 54+69=123, Resulting Numbers: [80, 123] Generated Node #0,1,1: 79:[80, 123] Operation: 54+69=123 Moving to Node #0,1,1 Current State: 79:[80, 123], Operations: ['8+61=69', '54+69=123'] Exploring Operation: 123-80=43, Resulting Numbers: [43] 43,79 unequal: No Solution Exploring Operation: 80+123=203, Resulting Numbers: [203] 203,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[69, 26], Operations: ['8+61=69', '80-54=26'] Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,79 unequal: No Solution Exploring Operation: 69+26=95, Resulting Numbers: [95] 95,79 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 45, 41, 49, 39 ]
15
[ "45-39=6", "41+49=90", "90/6=15" ]
Current State: 15:[45, 41, 49, 39], Operations: [] Exploring Operation: 45-39=6, Resulting Numbers: [41, 49, 6] Generated Node #2: [41, 49, 6] from Operation: 45-39=6 Current State: 15:[41, 49, 6], Operations: ['45-39=6'] Exploring Operation: 41+49=90, Resulting Numbers: [6, 90] Generated Node #3: [6, 90] from Operation: 41+49=90 Current State: 15:[6, 90], Operations: ['45-39=6', '41+49=90'] Exploring Operation: 90/6=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[45, 41, 49, 39], Operations: [] Exploring Operation: 45-41=4, Resulting Numbers: [49, 39, 4] Generated Node #0,0: 15:[49, 39, 4] Operation: 45-41=4 Exploring Operation: 49-41=8, Resulting Numbers: [45, 39, 8] Generated Node #0,1: 15:[45, 39, 8] Operation: 49-41=8 Exploring Operation: 49-45=4, Resulting Numbers: [41, 39, 4] Generated Node #0,2: 15:[41, 39, 4] Operation: 49-45=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 15:[41, 39, 4], Operations: ['49-45=4'] Exploring Operation: 41-4=37, Resulting Numbers: [39, 37] Generated Node #0,2,0: 15:[39, 37] Operation: 41-4=37 Exploring Operation: 41-39=2, Resulting Numbers: [4, 2] Generated Node #0,2,1: 15:[4, 2] Operation: 41-39=2 Exploring Operation: 39-4=35, Resulting Numbers: [41, 35] Generated Node #0,2,2: 15:[41, 35] Operation: 39-4=35 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 15:[4, 2], Operations: ['49-45=4', '41-39=2'] Exploring Operation: 4+2=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 15:[39, 37], Operations: ['49-45=4', '41-4=37'] Exploring Operation: 39*37=1443, Resulting Numbers: [1443] 1443,15 unequal: No Solution Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,15 unequal: No Solution Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 15:[41, 35], Operations: ['49-45=4', '39-4=35'] Exploring Operation: 41+35=76, Resulting Numbers: [76] 76,15 unequal: No Solution Exploring Operation: 41-35=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 41*35=1435, Resulting Numbers: [1435] 1435,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[45, 39, 8], Operations: ['49-41=8'] Exploring Operation: 45-39=6, Resulting Numbers: [8, 6] Generated Node #0,1,0: 15:[8, 6] Operation: 45-39=6 Exploring Operation: 45-8=37, Resulting Numbers: [39, 37] Generated Node #0,1,1: 15:[39, 37] Operation: 45-8=37 Exploring Operation: 39-8=31, Resulting Numbers: [45, 31] Generated Node #0,1,2: 15:[45, 31] Operation: 39-8=31 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 15:[8, 6], Operations: ['49-41=8', '45-39=6'] Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,15 unequal: No Solution Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 15:[39, 37], Operations: ['49-41=8', '45-8=37'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,15 unequal: No Solution Exploring Operation: 39*37=1443, Resulting Numbers: [1443] 1443,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 15:[45, 31], Operations: ['49-41=8', '39-8=31'] Exploring Operation: 45-31=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 45+31=76, Resulting Numbers: [76] 76,15 unequal: No Solution Exploring Operation: 45*31=1395, Resulting Numbers: [1395] 1395,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[49, 39, 4], Operations: ['45-41=4'] Exploring Operation: 49-39=10, Resulting Numbers: [4, 10] Generated Node #0,0,0: 15:[4, 10] Operation: 49-39=10 Exploring Operation: 39-4=35, Resulting Numbers: [49, 35] Generated Node #0,0,1: 15:[49, 35] Operation: 39-4=35 Exploring Operation: 49-4=45, Resulting Numbers: [39, 45] Generated Node #0,0,2: 15:[39, 45] Operation: 49-4=45 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 15:[4, 10], Operations: ['45-41=4', '49-39=10'] Exploring Operation: 4+10=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 4*10=40, Resulting Numbers: [40] 40,15 unequal: No Solution Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 15:[49, 35], Operations: ['45-41=4', '39-4=35'] Exploring Operation: 49*35=1715, Resulting Numbers: [1715] 1715,15 unequal: No Solution Exploring Operation: 49+35=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 49-35=14, Resulting Numbers: [14] 14,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 15:[39, 45], Operations: ['45-41=4', '49-4=45'] Exploring Operation: 39+45=84, Resulting Numbers: [84] 84,15 unequal: No Solution Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,15 unequal: No Solution Exploring Operation: 39*45=1755, Resulting Numbers: [1755] 1755,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 96, 98, 46, 92 ]
62
[ "98-92=6", "96/6=16", "46+16=62" ]
Current State: 62:[96, 98, 46, 92], Operations: [] Exploring Operation: 98-92=6, Resulting Numbers: [96, 46, 6] Generated Node #2: [96, 46, 6] from Operation: 98-92=6 Current State: 62:[96, 46, 6], Operations: ['98-92=6'] Exploring Operation: 96/6=16, Resulting Numbers: [46, 16] Generated Node #3: [46, 16] from Operation: 96/6=16 Current State: 62:[46, 16], Operations: ['98-92=6', '96/6=16'] Exploring Operation: 46+16=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[96, 98, 46, 92], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [98, 46, 4] Generated Node #0,0: 62:[98, 46, 4] Operation: 96-92=4 Exploring Operation: 98-96=2, Resulting Numbers: [46, 92, 2] Generated Node #0,1: 62:[46, 92, 2] Operation: 98-96=2 Exploring Operation: 98-92=6, Resulting Numbers: [96, 46, 6] Generated Node #0,2: 62:[96, 46, 6] Operation: 98-92=6 Moving to Node #0,1 Current State: 62:[46, 92, 2], Operations: ['98-96=2'] Exploring Operation: 92/46=2, Resulting Numbers: [2, 2] Generated Node #0,1,0: 62:[2, 2] Operation: 92/46=2 Exploring Operation: 92-46=46, Resulting Numbers: [2, 46] Generated Node #0,1,1: 62:[2, 46] Operation: 92-46=46 Exploring Operation: 92/2=46, Resulting Numbers: [46, 46] Generated Node #0,1,2: 62:[46, 46] Operation: 92/2=46 Moving to Node #0,0 Current State: 62:[98, 46, 4], Operations: ['96-92=4'] Exploring Operation: 46-4=42, Resulting Numbers: [98, 42] Generated Node #0,0,0: 62:[98, 42] Operation: 46-4=42 Exploring Operation: 98-4=94, Resulting Numbers: [46, 94] Generated Node #0,0,1: 62:[46, 94] Operation: 98-4=94 Exploring Operation: 98-46=52, Resulting Numbers: [4, 52] Generated Node #0,0,2: 62:[4, 52] Operation: 98-46=52 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[4, 52], Operations: ['96-92=4', '98-46=52'] Exploring Operation: 52-4=48, Resulting Numbers: [48] 48,62 unequal: No Solution Exploring Operation: 52/4=13, Resulting Numbers: [13] 13,62 unequal: No Solution Exploring Operation: 4+52=56, Resulting Numbers: [56] 56,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[98, 42], Operations: ['96-92=4', '46-4=42'] Exploring Operation: 98+42=140, Resulting Numbers: [140] 140,62 unequal: No Solution Exploring Operation: 98-42=56, Resulting Numbers: [56] 56,62 unequal: No Solution Exploring Operation: 98*42=4116, Resulting Numbers: [4116] 4116,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[46, 94], Operations: ['96-92=4', '98-4=94'] Exploring Operation: 46*94=4324, Resulting Numbers: [4324] 4324,62 unequal: No Solution Exploring Operation: 46+94=140, Resulting Numbers: [140] 140,62 unequal: No Solution Exploring Operation: 94-46=48, Resulting Numbers: [48] 48,62 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: 62:[96, 46, 6], Operations: ['98-92=6'] Exploring Operation: 96/6=16, Resulting Numbers: [46, 16] Generated Node #0,2,0: 62:[46, 16] Operation: 96/6=16 Exploring Operation: 96-46=50, Resulting Numbers: [6, 50] Generated Node #0,2,1: 62:[6, 50] Operation: 96-46=50 Exploring Operation: 96-6=90, Resulting Numbers: [46, 90] Generated Node #0,2,2: 62:[46, 90] Operation: 96-6=90 Moving to Node #0,1,0 Current State: 62:[2, 2], Operations: ['98-96=2', '92/46=2'] Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,62 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[2, 46], Operations: ['98-96=2', '92-46=46'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,62 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,62 unequal: No Solution Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,62 unequal: No Solution Moving to Node #0,2,1 Current State: 62:[6, 50], Operations: ['98-92=6', '96-46=50'] Exploring Operation: 6+50=56, Resulting Numbers: [56] 56,62 unequal: No Solution Exploring Operation: 50-6=44, Resulting Numbers: [44] 44,62 unequal: No Solution Exploring Operation: 6*50=300, Resulting Numbers: [300] 300,62 unequal: No Solution Moving to Node #0,2,0 Current State: 62:[46, 16], Operations: ['98-92=6', '96/6=16'] Exploring Operation: 46+16=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[96, 98, 46, 92], Operations: [] Exploring Operation: 98-92=6, Resulting Numbers: [96, 46, 6] Generated Node #0,2: 62:[96, 46, 6] Operation: 98-92=6 Moving to Node #0,2 Current State: 62:[96, 46, 6], Operations: ['98-92=6'] Exploring Operation: 96/6=16, Resulting Numbers: [46, 16] Generated Node #0,2,0: 62:[46, 16] Operation: 96/6=16 Moving to Node #0,2,0 Current State: 62:[46, 16], Operations: ['98-92=6', '96/6=16'] Exploring Operation: 46+16=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.969618
hs_3
sum_heuristic
[ 15, 52, 82, 62 ]
64
[ "82-52=30", "30/15=2", "62+2=64" ]
Current State: 64:[15, 52, 82, 62], Operations: [] Exploring Operation: 82-52=30, Resulting Numbers: [15, 62, 30] Generated Node #2: [15, 62, 30] from Operation: 82-52=30 Current State: 64:[15, 62, 30], Operations: ['82-52=30'] Exploring Operation: 30/15=2, Resulting Numbers: [62, 2] Generated Node #3: [62, 2] from Operation: 30/15=2 Current State: 64:[62, 2], Operations: ['82-52=30', '30/15=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[15, 52, 82, 62], Operations: [] Exploring Operation: 82-52=30, Resulting Numbers: [15, 62, 30] Generated Node #0,0: 64:[15, 62, 30] Operation: 82-52=30 Exploring Operation: 82-15=67, Resulting Numbers: [52, 62, 67] Generated Node #0,1: 64:[52, 62, 67] Operation: 82-15=67 Moving to Node #0,0 Current State: 64:[15, 62, 30], Operations: ['82-52=30'] Exploring Operation: 30/15=2, Resulting Numbers: [62, 2] Generated Node #0,0,0: 64:[62, 2] Operation: 30/15=2 Exploring Operation: 62-30=32, Resulting Numbers: [15, 32] Generated Node #0,0,1: 64:[15, 32] Operation: 62-30=32 Moving to Node #0,1 Current State: 64:[52, 62, 67], Operations: ['82-15=67'] Exploring Operation: 67-52=15, Resulting Numbers: [62, 15] Generated Node #0,1,0: 64:[62, 15] Operation: 67-52=15 Exploring Operation: 62-52=10, Resulting Numbers: [67, 10] Generated Node #0,1,1: 64:[67, 10] Operation: 62-52=10 Moving to Node #0,0,1 Current State: 64:[15, 32], Operations: ['82-52=30', '62-30=32'] Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,64 unequal: No Solution Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,64 unequal: No Solution Moving to Node #0,0,0 Current State: 64:[62, 2], Operations: ['82-52=30', '30/15=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[15, 52, 82, 62], Operations: [] Exploring Operation: 82-52=30, Resulting Numbers: [15, 62, 30] Generated Node #0,0: 64:[15, 62, 30] Operation: 82-52=30 Moving to Node #0,0 Current State: 64:[15, 62, 30], Operations: ['82-52=30'] Exploring Operation: 30/15=2, Resulting Numbers: [62, 2] Generated Node #0,0,0: 64:[62, 2] Operation: 30/15=2 Moving to Node #0,0,0 Current State: 64:[62, 2], Operations: ['82-52=30', '30/15=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
0.988715
hs_2
sum_heuristic
[ 31, 45, 36, 44 ]
84
[ "31+45=76", "44-36=8", "76+8=84" ]
Current State: 84:[31, 45, 36, 44], Operations: [] Exploring Operation: 31+45=76, Resulting Numbers: [36, 44, 76] Generated Node #2: [36, 44, 76] from Operation: 31+45=76 Current State: 84:[36, 44, 76], Operations: ['31+45=76'] Exploring Operation: 44-36=8, Resulting Numbers: [76, 8] Generated Node #3: [76, 8] from Operation: 44-36=8 Current State: 84:[76, 8], Operations: ['31+45=76', '44-36=8'] Exploring Operation: 76+8=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[31, 45, 36, 44], Operations: [] Exploring Operation: 45+36=81, Resulting Numbers: [31, 44, 81] Generated Node #0,0: 84:[31, 44, 81] Operation: 45+36=81 Exploring Operation: 45-31=14, Resulting Numbers: [36, 44, 14] Generated Node #0,1: 84:[36, 44, 14] Operation: 45-31=14 Exploring Operation: 36-31=5, Resulting Numbers: [45, 44, 5] Generated Node #0,2: 84:[45, 44, 5] Operation: 36-31=5 Exploring Operation: 45-36=9, Resulting Numbers: [31, 44, 9] Generated Node #0,3: 84:[31, 44, 9] Operation: 45-36=9 Exploring Operation: 44-36=8, Resulting Numbers: [31, 45, 8] Generated Node #0,4: 84:[31, 45, 8] Operation: 44-36=8 Moving to Node #0,2 Current State: 84:[45, 44, 5], Operations: ['36-31=5'] Exploring Operation: 45-5=40, Resulting Numbers: [44, 40] Generated Node #0,2,0: 84:[44, 40] Operation: 45-5=40 Exploring Operation: 45-44=1, Resulting Numbers: [5, 1] Generated Node #0,2,1: 84:[5, 1] Operation: 45-44=1 Exploring Operation: 45/5=9, Resulting Numbers: [44, 9] Generated Node #0,2,2: 84:[44, 9] Operation: 45/5=9 Exploring Operation: 45+44=89, Resulting Numbers: [5, 89] Generated Node #0,2,3: 84:[5, 89] Operation: 45+44=89 Exploring Operation: 44-5=39, Resulting Numbers: [45, 39] Generated Node #0,2,4: 84:[45, 39] Operation: 44-5=39 Moving to Node #0,4 Current State: 84:[31, 45, 8], Operations: ['44-36=8'] Exploring Operation: 31+45=76, Resulting Numbers: [8, 76] Generated Node #0,4,0: 84:[8, 76] Operation: 31+45=76 Exploring Operation: 31-8=23, Resulting Numbers: [45, 23] Generated Node #0,4,1: 84:[45, 23] Operation: 31-8=23 Exploring Operation: 31+8=39, Resulting Numbers: [45, 39] Generated Node #0,4,2: 84:[45, 39] Operation: 31+8=39 Exploring Operation: 45-31=14, Resulting Numbers: [8, 14] Generated Node #0,4,3: 84:[8, 14] Operation: 45-31=14 Exploring Operation: 45-8=37, Resulting Numbers: [31, 37] Generated Node #0,4,4: 84:[31, 37] Operation: 45-8=37 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 84:[8, 14], Operations: ['44-36=8', '45-31=14'] Exploring Operation: 8*14=112, Resulting Numbers: [112] 112,84 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 8+14=22, Resulting Numbers: [22] 22,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 84:[45, 23], Operations: ['44-36=8', '31-8=23'] Exploring Operation: 45-23=22, Resulting Numbers: [22] 22,84 unequal: No Solution Exploring Operation: 45+23=68, Resulting Numbers: [68] 68,84 unequal: No Solution Exploring Operation: 45*23=1035, Resulting Numbers: [1035] 1035,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 84:[45, 39], Operations: ['44-36=8', '31+8=39'] Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[31, 45, 36, 44], Operations: [] Exploring Operation: 44-36=8, Resulting Numbers: [31, 45, 8] Generated Node #0,4: 84:[31, 45, 8] Operation: 44-36=8 Moving to Node #0,4 Current State: 84:[31, 45, 8], Operations: ['44-36=8'] Exploring Operation: 31+8=39, Resulting Numbers: [45, 39] Generated Node #0,4,2: 84:[45, 39] Operation: 31+8=39 Moving to Node #0,4,2 Current State: 84:[45, 39], Operations: ['44-36=8', '31+8=39'] Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
mult_heuristic
[ 14, 94, 50, 99 ]
41
[ "14+94=108", "50+99=149", "149-108=41" ]
Current State: 41:[14, 94, 50, 99], Operations: [] Exploring Operation: 14+94=108, Resulting Numbers: [50, 99, 108] Generated Node #2: [50, 99, 108] from Operation: 14+94=108 Current State: 41:[50, 99, 108], Operations: ['14+94=108'] Exploring Operation: 50+99=149, Resulting Numbers: [108, 149] Generated Node #3: [108, 149] from Operation: 50+99=149 Current State: 41:[108, 149], Operations: ['14+94=108', '50+99=149'] Exploring Operation: 149-108=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[14, 94, 50, 99], Operations: [] Exploring Operation: 99-50=49, Resulting Numbers: [14, 94, 49] Generated Node #0,0: 41:[14, 94, 49] Operation: 99-50=49 Exploring Operation: 94-50=44, Resulting Numbers: [14, 99, 44] Generated Node #0,1: 41:[14, 99, 44] Operation: 94-50=44 Exploring Operation: 99-94=5, Resulting Numbers: [14, 50, 5] Generated Node #0,2: 41:[14, 50, 5] Operation: 99-94=5 Exploring Operation: 94-14=80, Resulting Numbers: [50, 99, 80] Generated Node #0,3: 41:[50, 99, 80] Operation: 94-14=80 Moving to Node #0,2 Current State: 41:[14, 50, 5], Operations: ['99-94=5'] Exploring Operation: 14+5=19, Resulting Numbers: [50, 19] Generated Node #0,2,0: 41:[50, 19] Operation: 14+5=19 Exploring Operation: 14*5=70, Resulting Numbers: [50, 70] Generated Node #0,2,1: 41:[50, 70] Operation: 14*5=70 Exploring Operation: 50-14=36, Resulting Numbers: [5, 36] Generated Node #0,2,2: 41:[5, 36] Operation: 50-14=36 Exploring Operation: 50-5=45, Resulting Numbers: [14, 45] Generated Node #0,2,3: 41:[14, 45] Operation: 50-5=45 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 41:[50, 19], Operations: ['99-94=5', '14+5=19'] Exploring Operation: 50+19=69, Resulting Numbers: [69] 69,41 unequal: No Solution Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,41 unequal: No Solution Exploring Operation: 50*19=950, Resulting Numbers: [950] 950,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 41:[14, 45], Operations: ['99-94=5', '50-5=45'] Exploring Operation: 14*45=630, Resulting Numbers: [630] 630,41 unequal: No Solution Exploring Operation: 45-14=31, Resulting Numbers: [31] 31,41 unequal: No Solution Exploring Operation: 14+45=59, Resulting Numbers: [59] 59,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 41:[50, 70], Operations: ['99-94=5', '14*5=70'] Exploring Operation: 70-50=20, Resulting Numbers: [20] 20,41 unequal: No Solution Exploring Operation: 50*70=3500, Resulting Numbers: [3500] 3500,41 unequal: No Solution Exploring Operation: 50+70=120, Resulting Numbers: [120] 120,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 41:[5, 36], Operations: ['99-94=5', '50-14=36'] Exploring Operation: 5*36=180, Resulting Numbers: [180] 180,41 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,41 unequal: No Solution Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[14, 94, 50, 99], Operations: [] Exploring Operation: 99-94=5, Resulting Numbers: [14, 50, 5] Generated Node #0,2: 41:[14, 50, 5] Operation: 99-94=5 Moving to Node #0,2 Current State: 41:[14, 50, 5], Operations: ['99-94=5'] Exploring Operation: 50-14=36, Resulting Numbers: [5, 36] Generated Node #0,2,2: 41:[5, 36] Operation: 50-14=36 Moving to Node #0,2,2 Current State: 41:[5, 36], Operations: ['99-94=5', '50-14=36'] Exploring Operation: 5+36=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_4
mult_heuristic
[ 56, 87, 38, 67 ]
59
[ "67-38=29", "87/29=3", "56+3=59" ]
Current State: 59:[56, 87, 38, 67], Operations: [] Exploring Operation: 67-38=29, Resulting Numbers: [56, 87, 29] Generated Node #2: [56, 87, 29] from Operation: 67-38=29 Current State: 59:[56, 87, 29], Operations: ['67-38=29'] Exploring Operation: 87/29=3, Resulting Numbers: [56, 3] Generated Node #3: [56, 3] from Operation: 87/29=3 Current State: 59:[56, 3], Operations: ['67-38=29', '87/29=3'] Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[56, 87, 38, 67], Operations: [] Exploring Operation: 87-67=20, Resulting Numbers: [56, 38, 20] Generated Node #0,0: 59:[56, 38, 20] Operation: 87-67=20 Exploring Operation: 87-56=31, Resulting Numbers: [38, 67, 31] Generated Node #0,1: 59:[38, 67, 31] Operation: 87-56=31 Exploring Operation: 87-38=49, Resulting Numbers: [56, 67, 49] Generated Node #0,2: 59:[56, 67, 49] Operation: 87-38=49 Exploring Operation: 56+38=94, Resulting Numbers: [87, 67, 94] Generated Node #0,3: 59:[87, 67, 94] Operation: 56+38=94 Exploring Operation: 67-38=29, Resulting Numbers: [56, 87, 29] Generated Node #0,4: 59:[56, 87, 29] Operation: 67-38=29 Moving to Node #0,2 Current State: 59:[56, 67, 49], Operations: ['87-38=49'] Exploring Operation: 67-49=18, Resulting Numbers: [56, 18] Generated Node #0,2,0: 59:[56, 18] Operation: 67-49=18 Exploring Operation: 67+49=116, Resulting Numbers: [56, 116] Generated Node #0,2,1: 59:[56, 116] Operation: 67+49=116 Exploring Operation: 56+49=105, Resulting Numbers: [67, 105] Generated Node #0,2,2: 59:[67, 105] Operation: 56+49=105 Exploring Operation: 56-49=7, Resulting Numbers: [67, 7] Generated Node #0,2,3: 59:[67, 7] Operation: 56-49=7 Exploring Operation: 67-56=11, Resulting Numbers: [49, 11] Generated Node #0,2,4: 59:[49, 11] Operation: 67-56=11 Moving to Node #0,1 Current State: 59:[38, 67, 31], Operations: ['87-56=31'] Exploring Operation: 38-31=7, Resulting Numbers: [67, 7] Generated Node #0,1,0: 59:[67, 7] Operation: 38-31=7 Exploring Operation: 67-31=36, Resulting Numbers: [38, 36] Generated Node #0,1,1: 59:[38, 36] Operation: 67-31=36 Exploring Operation: 67+31=98, Resulting Numbers: [38, 98] Generated Node #0,1,2: 59:[38, 98] Operation: 67+31=98 Exploring Operation: 67-38=29, Resulting Numbers: [31, 29] Generated Node #0,1,3: 59:[31, 29] Operation: 67-38=29 Exploring Operation: 38+31=69, Resulting Numbers: [67, 69] Generated Node #0,1,4: 59:[67, 69] Operation: 38+31=69 Moving to Node #0,4 Current State: 59:[56, 87, 29], Operations: ['67-38=29'] Exploring Operation: 56-29=27, Resulting Numbers: [87, 27] Generated Node #0,4,0: 59:[87, 27] Operation: 56-29=27 Exploring Operation: 56+29=85, Resulting Numbers: [87, 85] Generated Node #0,4,1: 59:[87, 85] Operation: 56+29=85 Exploring Operation: 87-29=58, Resulting Numbers: [56, 58] Generated Node #0,4,2: 59:[56, 58] Operation: 87-29=58 Exploring Operation: 87/29=3, Resulting Numbers: [56, 3] Generated Node #0,4,3: 59:[56, 3] Operation: 87/29=3 Exploring Operation: 87-56=31, Resulting Numbers: [29, 31] Generated Node #0,4,4: 59:[29, 31] Operation: 87-56=31 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 59:[56, 58], Operations: ['67-38=29', '87-29=58'] Exploring Operation: 56*58=3248, Resulting Numbers: [3248] 3248,59 unequal: No Solution Exploring Operation: 56+58=114, Resulting Numbers: [114] 114,59 unequal: No Solution Exploring Operation: 58-56=2, Resulting Numbers: [2] 2,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 59:[87, 85], Operations: ['67-38=29', '56+29=85'] Exploring Operation: 87*85=7395, Resulting Numbers: [7395] 7395,59 unequal: No Solution Exploring Operation: 87+85=172, Resulting Numbers: [172] 172,59 unequal: No Solution Exploring Operation: 87-85=2, Resulting Numbers: [2] 2,59 unequal: No Solution No 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: 59:[29, 31], Operations: ['67-38=29', '87-56=31'] Exploring Operation: 29+31=60, Resulting Numbers: [60] 60,59 unequal: No Solution Exploring Operation: 29*31=899, Resulting Numbers: [899] 899,59 unequal: No Solution Exploring Operation: 31-29=2, Resulting Numbers: [2] 2,59 unequal: No Solution No 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: 59:[56, 3], Operations: ['67-38=29', '87/29=3'] Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,59 unequal: No Solution Exploring Operation: 56*3=168, Resulting Numbers: [168] 168,59 unequal: No Solution Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Moving to Node #0 Current State: 59:[56, 87, 38, 67], Operations: [] Exploring Operation: 67-38=29, Resulting Numbers: [56, 87, 29] Generated Node #0,4: 59:[56, 87, 29] Operation: 67-38=29 Moving to Node #0,4 Current State: 59:[56, 87, 29], Operations: ['67-38=29'] Exploring Operation: 87/29=3, Resulting Numbers: [56, 3] Generated Node #0,4,3: 59:[56, 3] Operation: 87/29=3 Moving to Node #0,4,3 Current State: 59:[56, 3], Operations: ['67-38=29', '87/29=3'] Exploring Operation: 56+3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 1, 68, 44, 6 ]
19
[ "1+68=69", "44+6=50", "69-50=19" ]
Current State: 19:[1, 68, 44, 6], Operations: [] Exploring Operation: 1+68=69, Resulting Numbers: [44, 6, 69] Generated Node #2: [44, 6, 69] from Operation: 1+68=69 Current State: 19:[44, 6, 69], Operations: ['1+68=69'] Exploring Operation: 44+6=50, Resulting Numbers: [69, 50] Generated Node #3: [69, 50] from Operation: 44+6=50 Current State: 19:[69, 50], Operations: ['1+68=69', '44+6=50'] Exploring Operation: 69-50=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[1, 68, 44, 6], Operations: [] Exploring Operation: 68-44=24, Resulting Numbers: [1, 6, 24] Generated Node #0,0: 19:[1, 6, 24] Operation: 68-44=24 Exploring Operation: 68-1=67, Resulting Numbers: [44, 6, 67] Generated Node #0,1: 19:[44, 6, 67] Operation: 68-1=67 Exploring Operation: 44-1=43, Resulting Numbers: [68, 6, 43] Generated Node #0,2: 19:[68, 6, 43] Operation: 44-1=43 Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[1, 6, 24], Operations: ['68-44=24'] Exploring Operation: 24-1=23, Resulting Numbers: [6, 23] Generated Node #0,0,0: 19:[6, 23] Operation: 24-1=23 Exploring Operation: 1*6=6, Resulting Numbers: [24, 6] Generated Node #0,0,1: 19:[24, 6] Operation: 1*6=6 Exploring Operation: 1+6=7, Resulting Numbers: [24, 7] Generated Node #0,0,2: 19:[24, 7] Operation: 1+6=7 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[6, 23], Operations: ['68-44=24', '24-1=23'] Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,19 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 19:[24, 7], Operations: ['68-44=24', '1+6=7'] Exploring Operation: 24-7=17, Resulting Numbers: [17] 17,19 unequal: No Solution Exploring Operation: 24*7=168, Resulting Numbers: [168] 168,19 unequal: No Solution Exploring Operation: 24+7=31, Resulting Numbers: [31] 31,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[24, 6], Operations: ['68-44=24', '1*6=6'] Exploring Operation: 24+6=30, Resulting Numbers: [30] 30,19 unequal: No Solution Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 24/6=4, Resulting Numbers: [4] 4,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[44, 6, 67], Operations: ['68-1=67'] Exploring Operation: 67-6=61, Resulting Numbers: [44, 61] Generated Node #0,1,0: 19:[44, 61] Operation: 67-6=61 Exploring Operation: 44-6=38, Resulting Numbers: [67, 38] Generated Node #0,1,1: 19:[67, 38] Operation: 44-6=38 Exploring Operation: 67-44=23, Resulting Numbers: [6, 23] Generated Node #0,1,2: 19:[6, 23] Operation: 67-44=23 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 19:[6, 23], Operations: ['68-1=67', '67-44=23'] Exploring Operation: 6*23=138, Resulting Numbers: [138] 138,19 unequal: No Solution Exploring Operation: 6+23=29, Resulting Numbers: [29] 29,19 unequal: No Solution Exploring Operation: 23-6=17, Resulting Numbers: [17] 17,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 19:[44, 61], Operations: ['68-1=67', '67-6=61'] Exploring Operation: 44+61=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 44*61=2684, Resulting Numbers: [2684] 2684,19 unequal: No Solution Exploring Operation: 61-44=17, Resulting Numbers: [17] 17,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[67, 38], Operations: ['68-1=67', '44-6=38'] Exploring Operation: 67+38=105, Resulting Numbers: [105] 105,19 unequal: No Solution Exploring Operation: 67*38=2546, Resulting Numbers: [2546] 2546,19 unequal: No Solution Exploring Operation: 67-38=29, Resulting Numbers: [29] 29,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 19:[68, 6, 43], Operations: ['44-1=43'] Exploring Operation: 68-6=62, Resulting Numbers: [43, 62] Generated Node #0,2,0: 19:[43, 62] Operation: 68-6=62 Exploring Operation: 68-43=25, Resulting Numbers: [6, 25] Generated Node #0,2,1: 19:[6, 25] Operation: 68-43=25 Exploring Operation: 43-6=37, Resulting Numbers: [68, 37] Generated Node #0,2,2: 19:[68, 37] Operation: 43-6=37 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 19:[6, 25], Operations: ['44-1=43', '68-43=25'] Exploring Operation: 6*25=150, Resulting Numbers: [150] 150,19 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[1, 68, 44, 6], Operations: [] Exploring Operation: 44-1=43, Resulting Numbers: [68, 6, 43] Generated Node #0,2: 19:[68, 6, 43] Operation: 44-1=43 Moving to Node #0,2 Current State: 19:[68, 6, 43], Operations: ['44-1=43'] Exploring Operation: 68-43=25, Resulting Numbers: [6, 25] Generated Node #0,2,1: 19:[6, 25] Operation: 68-43=25 Moving to Node #0,2,1 Current State: 19:[6, 25], Operations: ['44-1=43', '68-43=25'] Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_3
sum_heuristic
[ 88, 97, 65, 16 ]
79
[ "97-88=9", "16*9=144", "144-65=79" ]
Current State: 79:[88, 97, 65, 16], Operations: [] Exploring Operation: 97-88=9, Resulting Numbers: [65, 16, 9] Generated Node #2: [65, 16, 9] from Operation: 97-88=9 Current State: 79:[65, 16, 9], Operations: ['97-88=9'] Exploring Operation: 16*9=144, Resulting Numbers: [65, 144] Generated Node #3: [65, 144] from Operation: 16*9=144 Current State: 79:[65, 144], Operations: ['97-88=9', '16*9=144'] Exploring Operation: 144-65=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[88, 97, 65, 16], Operations: [] Exploring Operation: 65+16=81, Resulting Numbers: [88, 97, 81] Generated Node #0,0: 79:[88, 97, 81] Operation: 65+16=81 Exploring Operation: 97-16=81, Resulting Numbers: [88, 65, 81] Generated Node #0,1: 79:[88, 65, 81] Operation: 97-16=81 Exploring Operation: 88-16=72, Resulting Numbers: [97, 65, 72] Generated Node #0,2: 79:[97, 65, 72] Operation: 88-16=72 Moving to Node #0,1 Current State: 79:[88, 65, 81], Operations: ['97-16=81'] Exploring Operation: 88+65=153, Resulting Numbers: [81, 153] Generated Node #0,1,0: 79:[81, 153] Operation: 88+65=153 Exploring Operation: 81-65=16, Resulting Numbers: [88, 16] Generated Node #0,1,1: 79:[88, 16] Operation: 81-65=16 Exploring Operation: 88-65=23, Resulting Numbers: [81, 23] Generated Node #0,1,2: 79:[81, 23] Operation: 88-65=23 Moving to Node #0,0 Current State: 79:[88, 97, 81], Operations: ['65+16=81'] Exploring Operation: 97-88=9, Resulting Numbers: [81, 9] Generated Node #0,0,0: 79:[81, 9] Operation: 97-88=9 Exploring Operation: 88-81=7, Resulting Numbers: [97, 7] Generated Node #0,0,1: 79:[97, 7] Operation: 88-81=7 Exploring Operation: 97-81=16, Resulting Numbers: [88, 16] Generated Node #0,0,2: 79:[88, 16] Operation: 97-81=16 Moving to Node #0,2 Current State: 79:[97, 65, 72], Operations: ['88-16=72'] Exploring Operation: 97-65=32, Resulting Numbers: [72, 32] Generated Node #0,2,0: 79:[72, 32] Operation: 97-65=32 Exploring Operation: 97-72=25, Resulting Numbers: [65, 25] Generated Node #0,2,1: 79:[65, 25] Operation: 97-72=25 Exploring Operation: 65+72=137, Resulting Numbers: [97, 137] Generated Node #0,2,2: 79:[97, 137] Operation: 65+72=137 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 79:[72, 32], Operations: ['88-16=72', '97-65=32'] Exploring Operation: 72*32=2304, Resulting Numbers: [2304] 2304,79 unequal: No Solution Exploring Operation: 72+32=104, Resulting Numbers: [104] 104,79 unequal: No Solution Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 79:[65, 25], Operations: ['88-16=72', '97-72=25'] Exploring Operation: 65*25=1625, Resulting Numbers: [1625] 1625,79 unequal: No Solution Exploring Operation: 65+25=90, Resulting Numbers: [90] 90,79 unequal: No Solution Exploring Operation: 65-25=40, Resulting Numbers: [40] 40,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 79:[97, 137], Operations: ['88-16=72', '65+72=137'] Exploring Operation: 97+137=234, Resulting Numbers: [234] 234,79 unequal: No Solution Exploring Operation: 97*137=13289, Resulting Numbers: [13289] 13289,79 unequal: No Solution Exploring Operation: 137-97=40, Resulting Numbers: [40] 40,79 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: 79:[81, 23], Operations: ['97-16=81', '88-65=23'] Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,79 unequal: No Solution Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,79 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,79 unequal: No Solution Moving to Node #0,1,1 Current State: 79:[88, 16], Operations: ['97-16=81', '81-65=16'] Exploring Operation: 88*16=1408, Resulting Numbers: [1408] 1408,79 unequal: No Solution Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 88+16=104, Resulting Numbers: [104] 104,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[88, 16], Operations: ['65+16=81', '97-81=16'] Exploring Operation: 88+16=104, Resulting Numbers: [104] 104,79 unequal: No Solution Exploring Operation: 88-16=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 88*16=1408, Resulting Numbers: [1408] 1408,79 unequal: No Solution Moving to Node #0,0,0 Current State: 79:[81, 9], Operations: ['65+16=81', '97-88=9'] Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 81+9=90, Resulting Numbers: [90] 90,79 unequal: No Solution Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,79 unequal: No Solution Moving to Node #0,1,0 Current State: 79:[81, 153], Operations: ['97-16=81', '88+65=153'] Exploring Operation: 81*153=12393, Resulting Numbers: [12393] 12393,79 unequal: No Solution Exploring Operation: 153-81=72, Resulting Numbers: [72] 72,79 unequal: No Solution Exploring Operation: 81+153=234, Resulting Numbers: [234] 234,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[97, 7], Operations: ['65+16=81', '88-81=7'] Exploring Operation: 97+7=104, Resulting Numbers: [104] 104,79 unequal: No Solution Exploring Operation: 97-7=90, Resulting Numbers: [90] 90,79 unequal: No Solution Exploring Operation: 97*7=679, Resulting Numbers: [679] 679,79 unequal: No Solution No solution found.
0
hs_3
mult_heuristic