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
[ 63, 5, 93, 88 ]
53
[ "63-5=58", "93-88=5", "58-5=53" ]
Current State: 53:[63, 5, 93, 88], Operations: [] Exploring Operation: 63-5=58, Resulting Numbers: [93, 88, 58] Generated Node #2: [93, 88, 58] from Operation: 63-5=58 Current State: 53:[93, 88, 58], Operations: ['63-5=58'] Exploring Operation: 93-88=5, Resulting Numbers: [58, 5] Generated Node #3: [58, 5] from Operation: 93-88=5 Current State: 53:[58, 5], Operations: ['63-5=58', '93-88=5'] Exploring Operation: 58-5=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[63, 5, 93, 88], Operations: [] Exploring Operation: 93-5=88, Resulting Numbers: [63, 88, 88] Generated Node #0,0: 53:[63, 88, 88] Operation: 93-5=88 Exploring Operation: 63-5=58, Resulting Numbers: [93, 88, 58] Generated Node #0,1: 53:[93, 88, 58] Operation: 63-5=58 Moving to Node #0,0 Current State: 53:[63, 88, 88], Operations: ['93-5=88'] Exploring Operation: 88/88=1, Resulting Numbers: [63, 1] Generated Node #0,0,0: 53:[63, 1] Operation: 88/88=1 Exploring Operation: 88-63=25, Resulting Numbers: [88, 25] Generated Node #0,0,1: 53:[88, 25] Operation: 88-63=25 Moving to Node #0,1 Current State: 53:[93, 88, 58], Operations: ['63-5=58'] Exploring Operation: 93-58=35, Resulting Numbers: [88, 35] Generated Node #0,1,0: 53:[88, 35] Operation: 93-58=35 Exploring Operation: 93-88=5, Resulting Numbers: [58, 5] Generated Node #0,1,1: 53:[58, 5] Operation: 93-88=5 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 53:[88, 35], Operations: ['63-5=58', '93-58=35'] Exploring Operation: 88-35=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[63, 5, 93, 88], Operations: [] Exploring Operation: 63-5=58, Resulting Numbers: [93, 88, 58] Generated Node #0,1: 53:[93, 88, 58] Operation: 63-5=58 Moving to Node #0,1 Current State: 53:[93, 88, 58], Operations: ['63-5=58'] Exploring Operation: 93-58=35, Resulting Numbers: [88, 35] Generated Node #0,1,0: 53:[88, 35] Operation: 93-58=35 Moving to Node #0,1,0 Current State: 53:[88, 35], Operations: ['63-5=58', '93-58=35'] Exploring Operation: 88-35=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 2, 21, 13, 46 ]
29
[ "21+13=34", "34/2=17", "46-17=29" ]
Current State: 29:[2, 21, 13, 46], Operations: [] Exploring Operation: 21+13=34, Resulting Numbers: [2, 46, 34] Generated Node #2: [2, 46, 34] from Operation: 21+13=34 Current State: 29:[2, 46, 34], Operations: ['21+13=34'] Exploring Operation: 34/2=17, Resulting Numbers: [46, 17] Generated Node #3: [46, 17] from Operation: 34/2=17 Current State: 29:[46, 17], Operations: ['21+13=34', '34/2=17'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[2, 21, 13, 46], Operations: [] Exploring Operation: 46/2=23, Resulting Numbers: [21, 13, 23] Generated Node #0,0: 29:[21, 13, 23] Operation: 46/2=23 Exploring Operation: 2*13=26, Resulting Numbers: [21, 46, 26] Generated Node #0,1: 29:[21, 46, 26] Operation: 2*13=26 Exploring Operation: 2+21=23, Resulting Numbers: [13, 46, 23] Generated Node #0,2: 29:[13, 46, 23] Operation: 2+21=23 Start Sub Search at level 1: Moving to Node #0,1 Current State: 29:[21, 46, 26], Operations: ['2*13=26'] Exploring Operation: 46-21=25, Resulting Numbers: [26, 25] Generated Node #0,1,0: 29:[26, 25] Operation: 46-21=25 Exploring Operation: 46-26=20, Resulting Numbers: [21, 20] Generated Node #0,1,1: 29:[21, 20] Operation: 46-26=20 Exploring Operation: 21+26=47, Resulting Numbers: [46, 47] Generated Node #0,1,2: 29:[46, 47] Operation: 21+26=47 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 29:[26, 25], Operations: ['2*13=26', '46-21=25'] Exploring Operation: 26+25=51, Resulting Numbers: [51] 51,29 unequal: No Solution Exploring Operation: 26-25=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 26*25=650, Resulting Numbers: [650] 650,29 unequal: No Solution No 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: 29:[21, 20], Operations: ['2*13=26', '46-26=20'] Exploring Operation: 21*20=420, Resulting Numbers: [420] 420,29 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 21+20=41, Resulting Numbers: [41] 41,29 unequal: No Solution No 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: 29:[46, 47], Operations: ['2*13=26', '21+26=47'] Exploring Operation: 46*47=2162, Resulting Numbers: [2162] 2162,29 unequal: No Solution Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,29 unequal: No Solution Exploring Operation: 46+47=93, Resulting Numbers: [93] 93,29 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: 29:[21, 13, 23], Operations: ['46/2=23'] Exploring Operation: 21-13=8, Resulting Numbers: [23, 8] Generated Node #0,0,0: 29:[23, 8] Operation: 21-13=8 Exploring Operation: 13+23=36, Resulting Numbers: [21, 36] Generated Node #0,0,1: 29:[21, 36] Operation: 13+23=36 Exploring Operation: 21+13=34, Resulting Numbers: [23, 34] Generated Node #0,0,2: 29:[23, 34] Operation: 21+13=34 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[23, 34], Operations: ['46/2=23', '21+13=34'] Exploring Operation: 23*34=782, Resulting Numbers: [782] 782,29 unequal: No Solution Exploring Operation: 23+34=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 34-23=11, Resulting Numbers: [11] 11,29 unequal: No Solution No 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: 29:[21, 36], Operations: ['46/2=23', '13+23=36'] Exploring Operation: 21*36=756, Resulting Numbers: [756] 756,29 unequal: No Solution Exploring Operation: 21+36=57, Resulting Numbers: [57] 57,29 unequal: No Solution Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,29 unequal: No Solution No 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: 29:[23, 8], Operations: ['46/2=23', '21-13=8'] Exploring Operation: 23+8=31, Resulting Numbers: [31] 31,29 unequal: No Solution Exploring Operation: 23-8=15, Resulting Numbers: [15] 15,29 unequal: No Solution Exploring Operation: 23*8=184, Resulting Numbers: [184] 184,29 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: 29:[13, 46, 23], Operations: ['2+21=23'] Exploring Operation: 46-23=23, Resulting Numbers: [13, 23] Generated Node #0,2,0: 29:[13, 23] Operation: 46-23=23 Exploring Operation: 13+23=36, Resulting Numbers: [46, 36] Generated Node #0,2,1: 29:[46, 36] Operation: 13+23=36 Exploring Operation: 46-13=33, Resulting Numbers: [23, 33] Generated Node #0,2,2: 29:[23, 33] Operation: 46-13=33 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 29:[23, 33], Operations: ['2+21=23', '46-13=33'] Exploring Operation: 23+33=56, Resulting Numbers: [56] 56,29 unequal: No Solution Exploring Operation: 33-23=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 23*33=759, Resulting Numbers: [759] 759,29 unequal: No Solution No 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: 29:[13, 23], Operations: ['2+21=23', '46-23=23'] Exploring Operation: 13*23=299, Resulting Numbers: [299] 299,29 unequal: No Solution Exploring Operation: 13+23=36, Resulting Numbers: [36] 36,29 unequal: No Solution Exploring Operation: 23-13=10, Resulting Numbers: [10] 10,29 unequal: No Solution No 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: 29:[46, 36], Operations: ['2+21=23', '13+23=36'] Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,29 unequal: No Solution Exploring Operation: 46+36=82, Resulting Numbers: [82] 82,29 unequal: No Solution Exploring Operation: 46*36=1656, Resulting Numbers: [1656] 1656,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 49, 98, 76, 2 ]
44
[ "76-49=27", "2*27=54", "98-54=44" ]
Current State: 44:[49, 98, 76, 2], Operations: [] Exploring Operation: 76-49=27, Resulting Numbers: [98, 2, 27] Generated Node #2: [98, 2, 27] from Operation: 76-49=27 Current State: 44:[98, 2, 27], Operations: ['76-49=27'] Exploring Operation: 2*27=54, Resulting Numbers: [98, 54] Generated Node #3: [98, 54] from Operation: 2*27=54 Current State: 44:[98, 54], Operations: ['76-49=27', '2*27=54'] Exploring Operation: 98-54=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[49, 98, 76, 2], Operations: [] Exploring Operation: 98-49=49, Resulting Numbers: [76, 2, 49] Generated Node #0,0: 44:[76, 2, 49] Operation: 98-49=49 Exploring Operation: 98/49=2, Resulting Numbers: [76, 2, 2] Generated Node #0,1: 44:[76, 2, 2] Operation: 98/49=2 Exploring Operation: 98/2=49, Resulting Numbers: [49, 76, 49] Generated Node #0,2: 44:[49, 76, 49] Operation: 98/2=49 Exploring Operation: 98-76=22, Resulting Numbers: [49, 2, 22] Generated Node #0,3: 44:[49, 2, 22] Operation: 98-76=22 Start Sub Search at level 1: Moving to Node #0,3 Current State: 44:[49, 2, 22], Operations: ['98-76=22'] Exploring Operation: 49-22=27, Resulting Numbers: [2, 27] Generated Node #0,3,0: 44:[2, 27] Operation: 49-22=27 Exploring Operation: 49-2=47, Resulting Numbers: [22, 47] Generated Node #0,3,1: 44:[22, 47] Operation: 49-2=47 Exploring Operation: 22/2=11, Resulting Numbers: [49, 11] Generated Node #0,3,2: 44:[49, 11] Operation: 22/2=11 Exploring Operation: 2*22=44, Resulting Numbers: [49, 44] Generated Node #0,3,3: 44:[49, 44] Operation: 2*22=44 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 44:[22, 47], Operations: ['98-76=22', '49-2=47'] Exploring Operation: 22*47=1034, Resulting Numbers: [1034] 1034,44 unequal: No Solution Exploring Operation: 47-22=25, Resulting Numbers: [25] 25,44 unequal: No Solution Exploring Operation: 22+47=69, Resulting Numbers: [69] 69,44 unequal: No Solution No 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: 44:[2, 27], Operations: ['98-76=22', '49-22=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,44 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,44 unequal: No Solution No 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: 44:[49, 11], Operations: ['98-76=22', '22/2=11'] Exploring Operation: 49*11=539, Resulting Numbers: [539] 539,44 unequal: No Solution Exploring Operation: 49+11=60, Resulting Numbers: [60] 60,44 unequal: No Solution Exploring Operation: 49-11=38, Resulting Numbers: [38] 38,44 unequal: No Solution No 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: 44:[49, 44], Operations: ['98-76=22', '2*22=44'] Exploring Operation: 49*44=2156, Resulting Numbers: [2156] 2156,44 unequal: No Solution Exploring Operation: 49+44=93, Resulting Numbers: [93] 93,44 unequal: No Solution Exploring Operation: 49-44=5, Resulting Numbers: [5] 5,44 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: 44:[76, 2, 2], Operations: ['98/49=2'] Exploring Operation: 76/2=38, Resulting Numbers: [2, 38] Generated Node #0,1,0: 44:[2, 38] Operation: 76/2=38 Exploring Operation: 76/2=38, Resulting Numbers: [2, 38] Generated Node #0,1,1: 44:[2, 38] Operation: 76/2=38 Exploring Operation: 76-2=74, Resulting Numbers: [2, 74] Generated Node #0,1,2: 44:[2, 74] Operation: 76-2=74 Exploring Operation: 76-2=74, Resulting Numbers: [2, 74] Generated Node #0,1,3: 44:[2, 74] Operation: 76-2=74 Moving to Node #0,1,0 Current State: 44:[2, 38], Operations: ['98/49=2', '76/2=38'] Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,44 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,44 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,44 unequal: No Solution Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[2, 38], Operations: ['98/49=2', '76/2=38'] Exploring Operation: 38/2=19, Resulting Numbers: [19] 19,44 unequal: No Solution Exploring Operation: 38-2=36, Resulting Numbers: [36] 36,44 unequal: No Solution Exploring Operation: 2*38=76, Resulting Numbers: [76] 76,44 unequal: No Solution Exploring Operation: 2+38=40, Resulting Numbers: [40] 40,44 unequal: No Solution Moving to Node #0,1,3 Current State: 44:[2, 74], Operations: ['98/49=2', '76-2=74'] Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,44 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,44 unequal: No Solution Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,44 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[2, 74], Operations: ['98/49=2', '76-2=74'] Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,44 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,44 unequal: No Solution Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,44 unequal: No Solution Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,44 unequal: No Solution No 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: 44:[76, 2, 49], Operations: ['98-49=49'] Exploring Operation: 49-2=47, Resulting Numbers: [76, 47] Generated Node #0,0,0: 44:[76, 47] Operation: 49-2=47 Exploring Operation: 76-2=74, Resulting Numbers: [49, 74] Generated Node #0,0,1: 44:[49, 74] Operation: 76-2=74 Exploring Operation: 76/2=38, Resulting Numbers: [49, 38] Generated Node #0,0,2: 44:[49, 38] Operation: 76/2=38 Exploring Operation: 76-49=27, Resulting Numbers: [2, 27] Generated Node #0,0,3: 44:[2, 27] Operation: 76-49=27 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 44:[2, 27], Operations: ['98-49=49', '76-49=27'] Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,44 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,44 unequal: No Solution Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,44 unequal: No Solution No 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: 44:[49, 38], Operations: ['98-49=49', '76/2=38'] Exploring Operation: 49-38=11, Resulting Numbers: [11] 11,44 unequal: No Solution Exploring Operation: 49+38=87, Resulting Numbers: [87] 87,44 unequal: No Solution Exploring Operation: 49*38=1862, Resulting Numbers: [1862] 1862,44 unequal: No Solution No 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: 44:[76, 47], Operations: ['98-49=49', '49-2=47'] Exploring Operation: 76+47=123, Resulting Numbers: [123] 123,44 unequal: No Solution Exploring Operation: 76*47=3572, Resulting Numbers: [3572] 3572,44 unequal: No Solution Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,44 unequal: No Solution No 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: 44:[49, 74], Operations: ['98-49=49', '76-2=74'] Exploring Operation: 49+74=123, Resulting Numbers: [123] 123,44 unequal: No Solution Exploring Operation: 49*74=3626, Resulting Numbers: [3626] 3626,44 unequal: No Solution Exploring Operation: 74-49=25, Resulting Numbers: [25] 25,44 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: 44:[49, 76, 49], Operations: ['98/2=49'] Exploring Operation: 76-49=27, Resulting Numbers: [49, 27] Generated Node #0,2,0: 44:[49, 27] Operation: 76-49=27 Exploring Operation: 76-49=27, Resulting Numbers: [49, 27] Generated Node #0,2,1: 44:[49, 27] Operation: 76-49=27 Exploring Operation: 49-49=0, Resulting Numbers: [76, 0] Generated Node #0,2,2: 44:[76, 0] Operation: 49-49=0 Exploring Operation: 49/49=1, Resulting Numbers: [76, 1] Generated Node #0,2,3: 44:[76, 1] Operation: 49/49=1 Moving to Node #0,2,0 Current State: 44:[49, 27], Operations: ['98/2=49', '76-49=27'] Exploring Operation: 49+27=76, Resulting Numbers: [76] 76,44 unequal: No Solution Exploring Operation: 49*27=1323, Resulting Numbers: [1323] 1323,44 unequal: No Solution Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[49, 27], Operations: ['98/2=49', '76-49=27'] Exploring Operation: 49*27=1323, Resulting Numbers: [1323] 1323,44 unequal: No Solution Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,44 unequal: No Solution Exploring Operation: 49+27=76, Resulting Numbers: [76] 76,44 unequal: No Solution Moving to Node #0,2,3 Current State: 44:[76, 1], Operations: ['98/2=49', '49/49=1'] Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,44 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,44 unequal: No Solution Exploring Operation: 76+1=77, Resulting Numbers: [77] 77,44 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,44 unequal: No Solution Moving to Node #0,2,2 Current State: 44:[76, 0], Operations: ['98/2=49', '49-49=0'] Exploring Operation: 76+0=76, Resulting Numbers: [76] 76,44 unequal: No Solution Exploring Operation: 76-0=76, Resulting Numbers: [76] 76,44 unequal: No Solution Exploring Operation: 76*0=0, Resulting Numbers: [0] 0,44 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
[ 10, 42, 42, 88 ]
97
[ "10+88=98", "42/42=1", "98-1=97" ]
Current State: 97:[10, 42, 42, 88], Operations: [] Exploring Operation: 10+88=98, Resulting Numbers: [42, 42, 98] Generated Node #2: [42, 42, 98] from Operation: 10+88=98 Current State: 97:[42, 42, 98], Operations: ['10+88=98'] Exploring Operation: 42/42=1, Resulting Numbers: [98, 1] Generated Node #3: [98, 1] from Operation: 42/42=1 Current State: 97:[98, 1], Operations: ['10+88=98', '42/42=1'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[10, 42, 42, 88], Operations: [] Exploring Operation: 42+42=84, Resulting Numbers: [10, 88, 84] Generated Node #0,0: 97:[10, 88, 84] Operation: 42+42=84 Exploring Operation: 10+88=98, Resulting Numbers: [42, 42, 98] Generated Node #0,1: 97:[42, 42, 98] Operation: 10+88=98 Exploring Operation: 10+42=52, Resulting Numbers: [42, 88, 52] Generated Node #0,2: 97:[42, 88, 52] Operation: 10+42=52 Exploring Operation: 10+42=52, Resulting Numbers: [42, 88, 52] Generated Node #0,3: 97:[42, 88, 52] Operation: 10+42=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[10, 88, 84], Operations: ['42+42=84'] Exploring Operation: 84-10=74, Resulting Numbers: [88, 74] Generated Node #0,0,0: 97:[88, 74] Operation: 84-10=74 Exploring Operation: 10+84=94, Resulting Numbers: [88, 94] Generated Node #0,0,1: 97:[88, 94] Operation: 10+84=94 Exploring Operation: 88-10=78, Resulting Numbers: [84, 78] Generated Node #0,0,2: 97:[84, 78] Operation: 88-10=78 Exploring Operation: 10+88=98, Resulting Numbers: [84, 98] Generated Node #0,0,3: 97:[84, 98] Operation: 10+88=98 Moving to Node #0,0,1 Current State: 97:[88, 94], Operations: ['42+42=84', '10+84=94'] Exploring Operation: 88+94=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 88*94=8272, Resulting Numbers: [8272] 8272,97 unequal: No Solution Exploring Operation: 94-88=6, Resulting Numbers: [6] 6,97 unequal: No Solution Moving to Node #0,0,3 Current State: 97:[84, 98], Operations: ['42+42=84', '10+88=98'] Exploring Operation: 84*98=8232, Resulting Numbers: [8232] 8232,97 unequal: No Solution Exploring Operation: 84+98=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 98-84=14, Resulting Numbers: [14] 14,97 unequal: No Solution Moving to Node #0,0,2 Current State: 97:[84, 78], Operations: ['42+42=84', '88-10=78'] Exploring Operation: 84-78=6, Resulting Numbers: [6] 6,97 unequal: No Solution Exploring Operation: 84*78=6552, Resulting Numbers: [6552] 6552,97 unequal: No Solution Exploring Operation: 84+78=162, Resulting Numbers: [162] 162,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[88, 74], Operations: ['42+42=84', '84-10=74'] Exploring Operation: 88*74=6512, Resulting Numbers: [6512] 6512,97 unequal: No Solution Exploring Operation: 88-74=14, Resulting Numbers: [14] 14,97 unequal: No Solution Exploring Operation: 88+74=162, Resulting Numbers: [162] 162,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[42, 88, 52], Operations: ['10+42=52'] Exploring Operation: 52-42=10, Resulting Numbers: [88, 10] Generated Node #0,2,0: 97:[88, 10] Operation: 52-42=10 Exploring Operation: 42+88=130, Resulting Numbers: [52, 130] Generated Node #0,2,1: 97:[52, 130] Operation: 42+88=130 Exploring Operation: 88-42=46, Resulting Numbers: [52, 46] Generated Node #0,2,2: 97:[52, 46] Operation: 88-42=46 Exploring Operation: 42+52=94, Resulting Numbers: [88, 94] Generated Node #0,2,3: 97:[88, 94] Operation: 42+52=94 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 97:[88, 94], Operations: ['10+42=52', '42+52=94'] Exploring Operation: 88+94=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 88*94=8272, Resulting Numbers: [8272] 8272,97 unequal: No Solution Exploring Operation: 94-88=6, Resulting Numbers: [6] 6,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 97:[52, 130], Operations: ['10+42=52', '42+88=130'] Exploring Operation: 52+130=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 130-52=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 52*130=6760, Resulting Numbers: [6760] 6760,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 97:[88, 10], Operations: ['10+42=52', '52-42=10'] Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 88*10=880, Resulting Numbers: [880] 880,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[52, 46], Operations: ['10+42=52', '88-42=46'] Exploring Operation: 52*46=2392, Resulting Numbers: [2392] 2392,97 unequal: No Solution Exploring Operation: 52+46=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 52-46=6, Resulting Numbers: [6] 6,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[42, 88, 52], Operations: ['10+42=52'] Exploring Operation: 88-42=46, Resulting Numbers: [52, 46] Generated Node #0,3,0: 97:[52, 46] Operation: 88-42=46 Exploring Operation: 52-42=10, Resulting Numbers: [88, 10] Generated Node #0,3,1: 97:[88, 10] Operation: 52-42=10 Exploring Operation: 42+52=94, Resulting Numbers: [88, 94] Generated Node #0,3,2: 97:[88, 94] Operation: 42+52=94 Exploring Operation: 42+88=130, Resulting Numbers: [52, 130] Generated Node #0,3,3: 97:[52, 130] Operation: 42+88=130 Moving to Node #0,3,2 Current State: 97:[88, 94], Operations: ['10+42=52', '42+52=94'] Exploring Operation: 88+94=182, Resulting Numbers: [182] 182,97 unequal: No Solution Exploring Operation: 94-88=6, Resulting Numbers: [6] 6,97 unequal: No Solution Exploring Operation: 88*94=8272, Resulting Numbers: [8272] 8272,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[52, 130], Operations: ['10+42=52', '42+88=130'] Exploring Operation: 130-52=78, Resulting Numbers: [78] 78,97 unequal: No Solution Exploring Operation: 52*130=6760, Resulting Numbers: [6760] 6760,97 unequal: No Solution Exploring Operation: 52+130=182, Resulting Numbers: [182] 182,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[88, 10], Operations: ['10+42=52', '52-42=10'] Exploring Operation: 88*10=880, Resulting Numbers: [880] 880,97 unequal: No Solution Exploring Operation: 88+10=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 88-10=78, Resulting Numbers: [78] 78,97 unequal: No Solution Moving to Node #0,3,0 Current State: 97:[52, 46], Operations: ['10+42=52', '88-42=46'] Exploring Operation: 52-46=6, Resulting Numbers: [6] 6,97 unequal: No Solution Exploring Operation: 52+46=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 52*46=2392, Resulting Numbers: [2392] 2392,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[42, 42, 98], Operations: ['10+88=98'] Exploring Operation: 98-42=56, Resulting Numbers: [42, 56] Generated Node #0,1,0: 97:[42, 56] Operation: 98-42=56 Exploring Operation: 98-42=56, Resulting Numbers: [42, 56] Generated Node #0,1,1: 97:[42, 56] Operation: 98-42=56 Exploring Operation: 42/42=1, Resulting Numbers: [98, 1] Generated Node #0,1,2: 97:[98, 1] Operation: 42/42=1 Exploring Operation: 42+42=84, Resulting Numbers: [98, 84] Generated Node #0,1,3: 97:[98, 84] Operation: 42+42=84 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 97:[98, 84], Operations: ['10+88=98', '42+42=84'] Exploring Operation: 98-84=14, Resulting Numbers: [14] 14,97 unequal: No Solution Exploring Operation: 98*84=8232, Resulting Numbers: [8232] 8232,97 unequal: No Solution Exploring Operation: 98+84=182, Resulting Numbers: [182] 182,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[42, 56], Operations: ['10+88=98', '98-42=56'] Exploring Operation: 42*56=2352, Resulting Numbers: [2352] 2352,97 unequal: No Solution Exploring Operation: 42+56=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[42, 56], Operations: ['10+88=98', '98-42=56'] Exploring Operation: 56-42=14, Resulting Numbers: [14] 14,97 unequal: No Solution Exploring Operation: 42+56=98, Resulting Numbers: [98] 98,97 unequal: No Solution Exploring Operation: 42*56=2352, Resulting Numbers: [2352] 2352,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 97:[98, 1], Operations: ['10+88=98', '42/42=1'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Moving to Node #0 Current State: 97:[10, 42, 42, 88], Operations: [] Exploring Operation: 10+88=98, Resulting Numbers: [42, 42, 98] Generated Node #0,1: 97:[42, 42, 98] Operation: 10+88=98 Moving to Node #0,1 Current State: 97:[42, 42, 98], Operations: ['10+88=98'] Exploring Operation: 42/42=1, Resulting Numbers: [98, 1] Generated Node #0,1,2: 97:[98, 1] Operation: 42/42=1 Moving to Node #0,1,2 Current State: 97:[98, 1], Operations: ['10+88=98', '42/42=1'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,97 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.939236
hs_4
sum_heuristic
[ 67, 63, 64, 34 ]
32
[ "67+63=130", "64+34=98", "130-98=32" ]
Current State: 32:[67, 63, 64, 34], Operations: [] Exploring Operation: 67+63=130, Resulting Numbers: [64, 34, 130] Generated Node #2: [64, 34, 130] from Operation: 67+63=130 Current State: 32:[64, 34, 130], Operations: ['67+63=130'] Exploring Operation: 64+34=98, Resulting Numbers: [130, 98] Generated Node #3: [130, 98] from Operation: 64+34=98 Current State: 32:[130, 98], Operations: ['67+63=130', '64+34=98'] Exploring Operation: 130-98=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[67, 63, 64, 34], Operations: [] Exploring Operation: 64-34=30, Resulting Numbers: [67, 63, 30] Generated Node #0,0: 32:[67, 63, 30] Operation: 64-34=30 Exploring Operation: 67-63=4, Resulting Numbers: [64, 34, 4] Generated Node #0,1: 32:[64, 34, 4] Operation: 67-63=4 Exploring Operation: 67-64=3, Resulting Numbers: [63, 34, 3] Generated Node #0,2: 32:[63, 34, 3] Operation: 67-64=3 Exploring Operation: 67-34=33, Resulting Numbers: [63, 64, 33] Generated Node #0,3: 32:[63, 64, 33] Operation: 67-34=33 Exploring Operation: 64-63=1, Resulting Numbers: [67, 34, 1] Generated Node #0,4: 32:[67, 34, 1] Operation: 64-63=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[64, 34, 4], Operations: ['67-63=4'] Exploring Operation: 64+4=68, Resulting Numbers: [34, 68] Generated Node #0,1,0: 32:[34, 68] Operation: 64+4=68 Exploring Operation: 64/4=16, Resulting Numbers: [34, 16] Generated Node #0,1,1: 32:[34, 16] Operation: 64/4=16 Exploring Operation: 34-4=30, Resulting Numbers: [64, 30] Generated Node #0,1,2: 32:[64, 30] Operation: 34-4=30 Exploring Operation: 64-34=30, Resulting Numbers: [4, 30] Generated Node #0,1,3: 32:[4, 30] Operation: 64-34=30 Exploring Operation: 64-4=60, Resulting Numbers: [34, 60] Generated Node #0,1,4: 32:[34, 60] Operation: 64-4=60 Moving to Node #0,1,1 Current State: 32:[34, 16], Operations: ['67-63=4', '64/4=16'] Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,32 unequal: No Solution Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,32 unequal: No Solution Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,32 unequal: No Solution Moving to Node #0,1,3 Current State: 32:[4, 30], Operations: ['67-63=4', '64-34=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,32 unequal: No Solution Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,32 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,32 unequal: No Solution Moving to Node #0,1,4 Current State: 32:[34, 60], Operations: ['67-63=4', '64-4=60'] Exploring Operation: 34+60=94, Resulting Numbers: [94] 94,32 unequal: No Solution Exploring Operation: 34*60=2040, Resulting Numbers: [2040] 2040,32 unequal: No Solution Exploring Operation: 60-34=26, Resulting Numbers: [26] 26,32 unequal: No Solution Moving to Node #0,1,2 Current State: 32:[64, 30], Operations: ['67-63=4', '34-4=30'] Exploring Operation: 64-30=34, Resulting Numbers: [34] 34,32 unequal: No Solution Exploring Operation: 64+30=94, Resulting Numbers: [94] 94,32 unequal: No Solution Exploring Operation: 64*30=1920, Resulting Numbers: [1920] 1920,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[34, 68], Operations: ['67-63=4', '64+4=68'] Exploring Operation: 68-34=34, Resulting Numbers: [34] 34,32 unequal: No Solution Exploring Operation: 68/34=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 34+68=102, Resulting Numbers: [102] 102,32 unequal: No Solution Exploring Operation: 34*68=2312, Resulting Numbers: [2312] 2312,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[63, 34, 3], Operations: ['67-64=3'] Exploring Operation: 63/3=21, Resulting Numbers: [34, 21] Generated Node #0,2,0: 32:[34, 21] Operation: 63/3=21 Exploring Operation: 63-34=29, Resulting Numbers: [3, 29] Generated Node #0,2,1: 32:[3, 29] Operation: 63-34=29 Exploring Operation: 34-3=31, Resulting Numbers: [63, 31] Generated Node #0,2,2: 32:[63, 31] Operation: 34-3=31 Exploring Operation: 63-3=60, Resulting Numbers: [34, 60] Generated Node #0,2,3: 32:[34, 60] Operation: 63-3=60 Exploring Operation: 63+3=66, Resulting Numbers: [34, 66] Generated Node #0,2,4: 32:[34, 66] Operation: 63+3=66 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 32:[3, 29], Operations: ['67-64=3', '63-34=29'] Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[67, 63, 64, 34], Operations: [] Exploring Operation: 67-64=3, Resulting Numbers: [63, 34, 3] Generated Node #0,2: 32:[63, 34, 3] Operation: 67-64=3 Moving to Node #0,2 Current State: 32:[63, 34, 3], Operations: ['67-64=3'] Exploring Operation: 63-34=29, Resulting Numbers: [3, 29] Generated Node #0,2,1: 32:[3, 29] Operation: 63-34=29 Moving to Node #0,2,1 Current State: 32:[3, 29], Operations: ['67-64=3', '63-34=29'] Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 78, 43, 57, 27 ]
91
[ "78+43=121", "57-27=30", "121-30=91" ]
Current State: 91:[78, 43, 57, 27], Operations: [] Exploring Operation: 78+43=121, Resulting Numbers: [57, 27, 121] Generated Node #2: [57, 27, 121] from Operation: 78+43=121 Current State: 91:[57, 27, 121], Operations: ['78+43=121'] Exploring Operation: 57-27=30, Resulting Numbers: [121, 30] Generated Node #3: [121, 30] from Operation: 57-27=30 Current State: 91:[121, 30], Operations: ['78+43=121', '57-27=30'] Exploring Operation: 121-30=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[78, 43, 57, 27], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [78, 27, 14] Generated Node #0,0: 91:[78, 27, 14] Operation: 57-43=14 Exploring Operation: 43+57=100, Resulting Numbers: [78, 27, 100] Generated Node #0,1: 91:[78, 27, 100] Operation: 43+57=100 Exploring Operation: 57+27=84, Resulting Numbers: [78, 43, 84] Generated Node #0,2: 91:[78, 43, 84] Operation: 57+27=84 Exploring Operation: 43-27=16, Resulting Numbers: [78, 57, 16] Generated Node #0,3: 91:[78, 57, 16] Operation: 43-27=16 Moving to Node #0,0 Current State: 91:[78, 27, 14], Operations: ['57-43=14'] Exploring Operation: 27-14=13, Resulting Numbers: [78, 13] Generated Node #0,0,0: 91:[78, 13] Operation: 27-14=13 Exploring Operation: 78+27=105, Resulting Numbers: [14, 105] Generated Node #0,0,1: 91:[14, 105] Operation: 78+27=105 Exploring Operation: 78-27=51, Resulting Numbers: [14, 51] Generated Node #0,0,2: 91:[14, 51] Operation: 78-27=51 Exploring Operation: 78+14=92, Resulting Numbers: [27, 92] Generated Node #0,0,3: 91:[27, 92] Operation: 78+14=92 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 91:[78, 13], Operations: ['57-43=14', '27-14=13'] Exploring Operation: 78/13=6, Resulting Numbers: [6] 6,91 unequal: No Solution Exploring Operation: 78-13=65, Resulting Numbers: [65] 65,91 unequal: No Solution Exploring Operation: 78*13=1014, Resulting Numbers: [1014] 1014,91 unequal: No Solution Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Moving to Node #0 Current State: 91:[78, 43, 57, 27], Operations: [] Exploring Operation: 57-43=14, Resulting Numbers: [78, 27, 14] Generated Node #0,0: 91:[78, 27, 14] Operation: 57-43=14 Moving to Node #0,0 Current State: 91:[78, 27, 14], Operations: ['57-43=14'] Exploring Operation: 27-14=13, Resulting Numbers: [78, 13] Generated Node #0,0,0: 91:[78, 13] Operation: 27-14=13 Moving to Node #0,0,0 Current State: 91:[78, 13], Operations: ['57-43=14', '27-14=13'] Exploring Operation: 78+13=91, Resulting Numbers: [91] 91,91 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_4
mult_heuristic
[ 12, 55, 66, 15 ]
48
[ "66-55=11", "15-11=4", "12*4=48" ]
Current State: 48:[12, 55, 66, 15], Operations: [] Exploring Operation: 66-55=11, Resulting Numbers: [12, 15, 11] Generated Node #2: [12, 15, 11] from Operation: 66-55=11 Current State: 48:[12, 15, 11], Operations: ['66-55=11'] Exploring Operation: 15-11=4, Resulting Numbers: [12, 4] Generated Node #3: [12, 4] from Operation: 15-11=4 Current State: 48:[12, 4], Operations: ['66-55=11', '15-11=4'] Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[12, 55, 66, 15], Operations: [] Exploring Operation: 66-55=11, Resulting Numbers: [12, 15, 11] Generated Node #0,0: 48:[12, 15, 11] Operation: 66-55=11 Moving to Node #0,0 Current State: 48:[12, 15, 11], Operations: ['66-55=11'] Exploring Operation: 15-11=4, Resulting Numbers: [12, 4] Generated Node #0,0,0: 48:[12, 4] Operation: 15-11=4 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 48:[12, 4], Operations: ['66-55=11', '15-11=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,48 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
[ 93, 17, 21, 65 ]
32
[ "93-17=76", "65-21=44", "76-44=32" ]
Current State: 32:[93, 17, 21, 65], Operations: [] Exploring Operation: 93-17=76, Resulting Numbers: [21, 65, 76] Generated Node #2: [21, 65, 76] from Operation: 93-17=76 Current State: 32:[21, 65, 76], Operations: ['93-17=76'] Exploring Operation: 65-21=44, Resulting Numbers: [76, 44] Generated Node #3: [76, 44] from Operation: 65-21=44 Current State: 32:[76, 44], Operations: ['93-17=76', '65-21=44'] Exploring Operation: 76-44=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[93, 17, 21, 65], Operations: [] Exploring Operation: 65-17=48, Resulting Numbers: [93, 21, 48] Generated Node #0,0: 32:[93, 21, 48] Operation: 65-17=48 Exploring Operation: 93-17=76, Resulting Numbers: [21, 65, 76] Generated Node #0,1: 32:[21, 65, 76] Operation: 93-17=76 Exploring Operation: 93-65=28, Resulting Numbers: [17, 21, 28] Generated Node #0,2: 32:[17, 21, 28] Operation: 93-65=28 Exploring Operation: 93-21=72, Resulting Numbers: [17, 65, 72] Generated Node #0,3: 32:[17, 65, 72] Operation: 93-21=72 Exploring Operation: 65-21=44, Resulting Numbers: [93, 17, 44] Generated Node #0,4: 32:[93, 17, 44] Operation: 65-21=44 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[17, 21, 28], Operations: ['93-65=28'] Exploring Operation: 28-21=7, Resulting Numbers: [17, 7] Generated Node #0,2,0: 32:[17, 7] Operation: 28-21=7 Exploring Operation: 17+28=45, Resulting Numbers: [21, 45] Generated Node #0,2,1: 32:[21, 45] Operation: 17+28=45 Exploring Operation: 17+21=38, Resulting Numbers: [28, 38] Generated Node #0,2,2: 32:[28, 38] Operation: 17+21=38 Exploring Operation: 28-17=11, Resulting Numbers: [21, 11] Generated Node #0,2,3: 32:[21, 11] Operation: 28-17=11 Exploring Operation: 21-17=4, Resulting Numbers: [28, 4] Generated Node #0,2,4: 32:[28, 4] Operation: 21-17=4 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 32:[17, 7], Operations: ['93-65=28', '28-21=7'] Exploring Operation: 17+7=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 17*7=119, Resulting Numbers: [119] 119,32 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 32:[28, 4], Operations: ['93-65=28', '21-17=4'] Exploring Operation: 28*4=112, Resulting Numbers: [112] 112,32 unequal: No Solution Exploring Operation: 28-4=24, Resulting Numbers: [24] 24,32 unequal: No Solution Exploring Operation: 28/4=7, Resulting Numbers: [7] 7,32 unequal: No Solution Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[93, 17, 21, 65], Operations: [] Exploring Operation: 93-65=28, Resulting Numbers: [17, 21, 28] Generated Node #0,2: 32:[17, 21, 28] Operation: 93-65=28 Moving to Node #0,2 Current State: 32:[17, 21, 28], Operations: ['93-65=28'] Exploring Operation: 21-17=4, Resulting Numbers: [28, 4] Generated Node #0,2,4: 32:[28, 4] Operation: 21-17=4 Moving to Node #0,2,4 Current State: 32:[28, 4], Operations: ['93-65=28', '21-17=4'] Exploring Operation: 28+4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic
[ 41, 47, 88, 52 ]
51
[ "41+47=88", "88/88=1", "52-1=51" ]
Current State: 51:[41, 47, 88, 52], Operations: [] Exploring Operation: 41+47=88, Resulting Numbers: [88, 52, 88] Generated Node #2: [88, 52, 88] from Operation: 41+47=88 Current State: 51:[88, 52, 88], Operations: ['41+47=88'] Exploring Operation: 88/88=1, Resulting Numbers: [52, 1] Generated Node #3: [52, 1] from Operation: 88/88=1 Current State: 51:[52, 1], Operations: ['41+47=88', '88/88=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[41, 47, 88, 52], Operations: [] Exploring Operation: 88-52=36, Resulting Numbers: [41, 47, 36] Generated Node #0,0: 51:[41, 47, 36] Operation: 88-52=36 Exploring Operation: 88-47=41, Resulting Numbers: [41, 52, 41] Generated Node #0,1: 51:[41, 52, 41] Operation: 88-47=41 Exploring Operation: 88-41=47, Resulting Numbers: [47, 52, 47] Generated Node #0,2: 51:[47, 52, 47] Operation: 88-41=47 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[47, 52, 47], Operations: ['88-41=47'] Exploring Operation: 47-47=0, Resulting Numbers: [52, 0] Generated Node #0,2,0: 51:[52, 0] Operation: 47-47=0 Exploring Operation: 47/47=1, Resulting Numbers: [52, 1] Generated Node #0,2,1: 51:[52, 1] Operation: 47/47=1 Exploring Operation: 52-47=5, Resulting Numbers: [47, 5] Generated Node #0,2,2: 51:[47, 5] Operation: 52-47=5 Moving to Node #0,2,1 Current State: 51:[52, 1], Operations: ['88-41=47', '47/47=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[41, 47, 88, 52], Operations: [] Exploring Operation: 88-41=47, Resulting Numbers: [47, 52, 47] Generated Node #0,2: 51:[47, 52, 47] Operation: 88-41=47 Moving to Node #0,2 Current State: 51:[47, 52, 47], Operations: ['88-41=47'] Exploring Operation: 47/47=1, Resulting Numbers: [52, 1] Generated Node #0,2,1: 51:[52, 1] Operation: 47/47=1 Moving to Node #0,2,1 Current State: 51:[52, 1], Operations: ['88-41=47', '47/47=1'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 4, 54, 3, 21 ]
44
[ "54-21=33", "4*33=132", "132/3=44" ]
Current State: 44:[4, 54, 3, 21], Operations: [] Exploring Operation: 54-21=33, Resulting Numbers: [4, 3, 33] Generated Node #2: [4, 3, 33] from Operation: 54-21=33 Current State: 44:[4, 3, 33], Operations: ['54-21=33'] Exploring Operation: 4*33=132, Resulting Numbers: [3, 132] Generated Node #3: [3, 132] from Operation: 4*33=132 Current State: 44:[3, 132], Operations: ['54-21=33', '4*33=132'] Exploring Operation: 132/3=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[4, 54, 3, 21], Operations: [] Exploring Operation: 4*3=12, Resulting Numbers: [54, 21, 12] Generated Node #0,0: 44:[54, 21, 12] Operation: 4*3=12 Exploring Operation: 54/3=18, Resulting Numbers: [4, 21, 18] Generated Node #0,1: 44:[4, 21, 18] Operation: 54/3=18 Exploring Operation: 54-3=51, Resulting Numbers: [4, 21, 51] Generated Node #0,2: 44:[4, 21, 51] Operation: 54-3=51 Exploring Operation: 54-4=50, Resulting Numbers: [3, 21, 50] Generated Node #0,3: 44:[3, 21, 50] Operation: 54-4=50 Start Sub Search at level 1: Moving to Node #0,1 Current State: 44:[4, 21, 18], Operations: ['54/3=18'] Exploring Operation: 21-18=3, Resulting Numbers: [4, 3] Generated Node #0,1,0: 44:[4, 3] Operation: 21-18=3 Exploring Operation: 21+18=39, Resulting Numbers: [4, 39] Generated Node #0,1,1: 44:[4, 39] Operation: 21+18=39 Exploring Operation: 4+18=22, Resulting Numbers: [21, 22] Generated Node #0,1,2: 44:[21, 22] Operation: 4+18=22 Exploring Operation: 18-4=14, Resulting Numbers: [21, 14] Generated Node #0,1,3: 44:[21, 14] Operation: 18-4=14 Moving to Node #0,1,0 Current State: 44:[4, 3], Operations: ['54/3=18', '21-18=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,44 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,44 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,44 unequal: No Solution Moving to Node #0,1,2 Current State: 44:[21, 22], Operations: ['54/3=18', '4+18=22'] Exploring Operation: 21+22=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 22-21=1, Resulting Numbers: [1] 1,44 unequal: No Solution Exploring Operation: 21*22=462, Resulting Numbers: [462] 462,44 unequal: No Solution Moving to Node #0,1,3 Current State: 44:[21, 14], Operations: ['54/3=18', '18-4=14'] Exploring Operation: 21*14=294, Resulting Numbers: [294] 294,44 unequal: No Solution Exploring Operation: 21+14=35, Resulting Numbers: [35] 35,44 unequal: No Solution Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,44 unequal: No Solution Moving to Node #0,1,1 Current State: 44:[4, 39], Operations: ['54/3=18', '21+18=39'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,44 unequal: No Solution Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 4*39=156, Resulting Numbers: [156] 156,44 unequal: No Solution No 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: 44:[4, 21, 51], Operations: ['54-3=51'] Exploring Operation: 51-21=30, Resulting Numbers: [4, 30] Generated Node #0,2,0: 44:[4, 30] Operation: 51-21=30 Exploring Operation: 4+21=25, Resulting Numbers: [51, 25] Generated Node #0,2,1: 44:[51, 25] Operation: 4+21=25 Exploring Operation: 51-4=47, Resulting Numbers: [21, 47] Generated Node #0,2,2: 44:[21, 47] Operation: 51-4=47 Exploring Operation: 21-4=17, Resulting Numbers: [51, 17] Generated Node #0,2,3: 44:[51, 17] Operation: 21-4=17 Moving to Node #0,2,2 Current State: 44:[21, 47], Operations: ['54-3=51', '51-4=47'] Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,44 unequal: No Solution Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,44 unequal: No Solution Moving to Node #0,2,0 Current State: 44:[4, 30], Operations: ['54-3=51', '51-21=30'] Exploring Operation: 30-4=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 4+30=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 4*30=120, Resulting Numbers: [120] 120,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[51, 25], Operations: ['54-3=51', '4+21=25'] Exploring Operation: 51*25=1275, Resulting Numbers: [1275] 1275,44 unequal: No Solution Exploring Operation: 51+25=76, Resulting Numbers: [76] 76,44 unequal: No Solution Exploring Operation: 51-25=26, Resulting Numbers: [26] 26,44 unequal: No Solution Moving to Node #0,2,3 Current State: 44:[51, 17], Operations: ['54-3=51', '21-4=17'] Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,44 unequal: No Solution Exploring Operation: 51+17=68, Resulting Numbers: [68] 68,44 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,44 unequal: No Solution Exploring Operation: 51*17=867, Resulting Numbers: [867] 867,44 unequal: No Solution No 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: 44:[3, 21, 50], Operations: ['54-4=50'] Exploring Operation: 21/3=7, Resulting Numbers: [50, 7] Generated Node #0,3,0: 44:[50, 7] Operation: 21/3=7 Exploring Operation: 50-21=29, Resulting Numbers: [3, 29] Generated Node #0,3,1: 44:[3, 29] Operation: 50-21=29 Exploring Operation: 50-3=47, Resulting Numbers: [21, 47] Generated Node #0,3,2: 44:[21, 47] Operation: 50-3=47 Exploring Operation: 3+21=24, Resulting Numbers: [50, 24] Generated Node #0,3,3: 44:[50, 24] Operation: 3+21=24 Moving to Node #0,3,2 Current State: 44:[21, 47], Operations: ['54-4=50', '50-3=47'] Exploring Operation: 47-21=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 21+47=68, Resulting Numbers: [68] 68,44 unequal: No Solution Exploring Operation: 21*47=987, Resulting Numbers: [987] 987,44 unequal: No Solution Moving to Node #0,3,3 Current State: 44:[50, 24], Operations: ['54-4=50', '3+21=24'] Exploring Operation: 50+24=74, Resulting Numbers: [74] 74,44 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 50*24=1200, Resulting Numbers: [1200] 1200,44 unequal: No Solution Moving to Node #0,3,1 Current State: 44:[3, 29], Operations: ['54-4=50', '50-21=29'] Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,44 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,44 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,44 unequal: No Solution Moving to Node #0,3,0 Current State: 44:[50, 7], Operations: ['54-4=50', '21/3=7'] Exploring Operation: 50+7=57, Resulting Numbers: [57] 57,44 unequal: No Solution Exploring Operation: 50-7=43, Resulting Numbers: [43] 43,44 unequal: No Solution Exploring Operation: 50*7=350, Resulting Numbers: [350] 350,44 unequal: No Solution No 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: 44:[54, 21, 12], Operations: ['4*3=12'] Exploring Operation: 21-12=9, Resulting Numbers: [54, 9] Generated Node #0,0,0: 44:[54, 9] Operation: 21-12=9 Exploring Operation: 54-21=33, Resulting Numbers: [12, 33] Generated Node #0,0,1: 44:[12, 33] Operation: 54-21=33 Exploring Operation: 21+12=33, Resulting Numbers: [54, 33] Generated Node #0,0,2: 44:[54, 33] Operation: 21+12=33 Exploring Operation: 54-12=42, Resulting Numbers: [21, 42] Generated Node #0,0,3: 44:[21, 42] Operation: 54-12=42 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 44:[21, 42], Operations: ['4*3=12', '54-12=42'] Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,44 unequal: No Solution Exploring Operation: 21+42=63, Resulting Numbers: [63] 63,44 unequal: No Solution Exploring Operation: 21*42=882, Resulting Numbers: [882] 882,44 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,44 unequal: No Solution No 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: 44:[54, 9], Operations: ['4*3=12', '21-12=9'] Exploring Operation: 54/9=6, Resulting Numbers: [6] 6,44 unequal: No Solution Exploring Operation: 54*9=486, Resulting Numbers: [486] 486,44 unequal: No Solution Exploring Operation: 54-9=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 54+9=63, Resulting Numbers: [63] 63,44 unequal: No Solution No 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: 44:[12, 33], Operations: ['4*3=12', '54-21=33'] Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,44 unequal: No Solution Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,44 unequal: No Solution Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,44 unequal: No Solution No 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: 44:[54, 33], Operations: ['4*3=12', '21+12=33'] Exploring Operation: 54+33=87, Resulting Numbers: [87] 87,44 unequal: No Solution Exploring Operation: 54*33=1782, Resulting Numbers: [1782] 1782,44 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,44 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 76, 92, 48, 27 ]
91
[ "92-76=16", "48+27=75", "16+75=91" ]
Current State: 91:[76, 92, 48, 27], Operations: [] Exploring Operation: 92-76=16, Resulting Numbers: [48, 27, 16] Generated Node #2: [48, 27, 16] from Operation: 92-76=16 Current State: 91:[48, 27, 16], Operations: ['92-76=16'] Exploring Operation: 48+27=75, Resulting Numbers: [16, 75] Generated Node #3: [16, 75] from Operation: 48+27=75 Current State: 91:[16, 75], Operations: ['92-76=16', '48+27=75'] Exploring Operation: 16+75=91, Resulting Numbers: [91] 91,91 equal: Goal Reached
4
Current State: 91:[76, 92, 48, 27], Operations: [] Exploring Operation: 48-27=21, Resulting Numbers: [76, 92, 21] Generated Node #0,0: 91:[76, 92, 21] Operation: 48-27=21 Moving to Node #0,0 Current State: 91:[76, 92, 21], Operations: ['48-27=21'] Exploring Operation: 76+21=97, Resulting Numbers: [92, 97] Generated Node #0,0,0: 91:[92, 97] Operation: 76+21=97 Moving to Node #0,0,0 Current State: 91:[92, 97], Operations: ['48-27=21', '76+21=97'] Exploring Operation: 97-92=5, Resulting Numbers: [5] 5,91 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 19, 55, 11, 48 ]
24
[ "48-19=29", "55/11=5", "29-5=24" ]
Current State: 24:[19, 55, 11, 48], Operations: [] Exploring Operation: 48-19=29, Resulting Numbers: [55, 11, 29] Generated Node #2: [55, 11, 29] from Operation: 48-19=29 Current State: 24:[55, 11, 29], Operations: ['48-19=29'] Exploring Operation: 55/11=5, Resulting Numbers: [29, 5] Generated Node #3: [29, 5] from Operation: 55/11=5 Current State: 24:[29, 5], Operations: ['48-19=29', '55/11=5'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[19, 55, 11, 48], Operations: [] Exploring Operation: 55-19=36, Resulting Numbers: [11, 48, 36] Generated Node #0,0: 24:[11, 48, 36] Operation: 55-19=36 Exploring Operation: 55-11=44, Resulting Numbers: [19, 48, 44] Generated Node #0,1: 24:[19, 48, 44] Operation: 55-11=44 Exploring Operation: 55-48=7, Resulting Numbers: [19, 11, 7] Generated Node #0,2: 24:[19, 11, 7] Operation: 55-48=7 Exploring Operation: 55/11=5, Resulting Numbers: [19, 48, 5] Generated Node #0,3: 24:[19, 48, 5] Operation: 55/11=5 Exploring Operation: 48-19=29, Resulting Numbers: [55, 11, 29] Generated Node #0,4: 24:[55, 11, 29] Operation: 48-19=29 Moving to Node #0,2 Current State: 24:[19, 11, 7], Operations: ['55-48=7'] Exploring Operation: 19+11=30, Resulting Numbers: [7, 30] Generated Node #0,2,0: 24:[7, 30] Operation: 19+11=30 Exploring Operation: 19+7=26, Resulting Numbers: [11, 26] Generated Node #0,2,1: 24:[11, 26] Operation: 19+7=26 Exploring Operation: 19-7=12, Resulting Numbers: [11, 12] Generated Node #0,2,2: 24:[11, 12] Operation: 19-7=12 Exploring Operation: 11-7=4, Resulting Numbers: [19, 4] Generated Node #0,2,3: 24:[19, 4] Operation: 11-7=4 Exploring Operation: 19-11=8, Resulting Numbers: [7, 8] Generated Node #0,2,4: 24:[7, 8] Operation: 19-11=8 Moving to Node #0,3 Current State: 24:[19, 48, 5], Operations: ['55/11=5'] Exploring Operation: 48-5=43, Resulting Numbers: [19, 43] Generated Node #0,3,0: 24:[19, 43] Operation: 48-5=43 Exploring Operation: 48-19=29, Resulting Numbers: [5, 29] Generated Node #0,3,1: 24:[5, 29] Operation: 48-19=29 Exploring Operation: 48+5=53, Resulting Numbers: [19, 53] Generated Node #0,3,2: 24:[19, 53] Operation: 48+5=53 Exploring Operation: 19-5=14, Resulting Numbers: [48, 14] Generated Node #0,3,3: 24:[48, 14] Operation: 19-5=14 Exploring Operation: 19+5=24, Resulting Numbers: [48, 24] Generated Node #0,3,4: 24:[48, 24] Operation: 19+5=24 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 24:[5, 29], Operations: ['55/11=5', '48-19=29'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[19, 55, 11, 48], Operations: [] Exploring Operation: 55/11=5, Resulting Numbers: [19, 48, 5] Generated Node #0,3: 24:[19, 48, 5] Operation: 55/11=5 Moving to Node #0,3 Current State: 24:[19, 48, 5], Operations: ['55/11=5'] Exploring Operation: 48-19=29, Resulting Numbers: [5, 29] Generated Node #0,3,1: 24:[5, 29] Operation: 48-19=29 Moving to Node #0,3,1 Current State: 24:[5, 29], Operations: ['55/11=5', '48-19=29'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 10, 1, 1, 60 ]
60
[ "1-1=0", "10*0=0", "60+0=60" ]
Current State: 60:[10, 1, 1, 60], Operations: [] Exploring Operation: 1-1=0, Resulting Numbers: [10, 60, 0] Generated Node #2: [10, 60, 0] from Operation: 1-1=0 Current State: 60:[10, 60, 0], Operations: ['1-1=0'] Exploring Operation: 10*0=0, Resulting Numbers: [60, 0] Generated Node #3: [60, 0] from Operation: 10*0=0 Current State: 60:[60, 0], Operations: ['1-1=0', '10*0=0'] Exploring Operation: 60+0=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[10, 1, 1, 60], Operations: [] Exploring Operation: 10/1=10, Resulting Numbers: [1, 60, 10] Generated Node #0,0: 60:[1, 60, 10] Operation: 10/1=10 Exploring Operation: 1+1=2, Resulting Numbers: [10, 60, 2] Generated Node #0,1: 60:[10, 60, 2] Operation: 1+1=2 Exploring Operation: 10*1=10, Resulting Numbers: [1, 60, 10] Generated Node #0,2: 60:[1, 60, 10] Operation: 10*1=10 Moving to Node #0,1 Current State: 60:[10, 60, 2], Operations: ['1+1=2'] Exploring Operation: 10+2=12, Resulting Numbers: [60, 12] Generated Node #0,1,0: 60:[60, 12] Operation: 10+2=12 Exploring Operation: 10*2=20, Resulting Numbers: [60, 20] Generated Node #0,1,1: 60:[60, 20] Operation: 10*2=20 Exploring Operation: 60/10=6, Resulting Numbers: [2, 6] Generated Node #0,1,2: 60:[2, 6] Operation: 60/10=6 Moving to Node #0,0 Current State: 60:[1, 60, 10], Operations: ['10/1=10'] Exploring Operation: 60/1=60, Resulting Numbers: [10, 60] Generated Node #0,0,0: 60:[10, 60] Operation: 60/1=60 Exploring Operation: 1*60=60, Resulting Numbers: [10, 60] Generated Node #0,0,1: 60:[10, 60] Operation: 1*60=60 Exploring Operation: 1*10=10, Resulting Numbers: [60, 10] Generated Node #0,0,2: 60:[60, 10] Operation: 1*10=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 60:[10, 60], Operations: ['10/1=10', '60/1=60'] Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,60 unequal: No Solution Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,60 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:[10, 60], Operations: ['10/1=10', '1*60=60'] Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,60 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 60:[60, 10], Operations: ['10/1=10', '1*10=10'] Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 60+10=70, Resulting Numbers: [70] 70,60 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:[1, 60, 10], Operations: ['10*1=10'] Exploring Operation: 60/1=60, Resulting Numbers: [10, 60] Generated Node #0,2,0: 60:[10, 60] Operation: 60/1=60 Exploring Operation: 1*10=10, Resulting Numbers: [60, 10] Generated Node #0,2,1: 60:[60, 10] Operation: 1*10=10 Exploring Operation: 1*60=60, Resulting Numbers: [10, 60] Generated Node #0,2,2: 60:[10, 60] Operation: 1*60=60 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 60:[10, 60], Operations: ['10*1=10', '60/1=60'] Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,60 unequal: No Solution Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,60 unequal: No Solution Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 60:[60, 10], Operations: ['10*1=10', '1*10=10'] Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 60+10=70, Resulting Numbers: [70] 70,60 unequal: No Solution Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 60:[10, 60], Operations: ['10*1=10', '1*60=60'] Exploring Operation: 60/10=6, Resulting Numbers: [6] 6,60 unequal: No Solution Exploring Operation: 10+60=70, Resulting Numbers: [70] 70,60 unequal: No Solution Exploring Operation: 60-10=50, Resulting Numbers: [50] 50,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 60:[60, 12], Operations: ['1+1=2', '10+2=12'] Exploring Operation: 60-12=48, Resulting Numbers: [48] 48,60 unequal: No Solution Exploring Operation: 60/12=5, Resulting Numbers: [5] 5,60 unequal: No Solution Exploring Operation: 60+12=72, Resulting Numbers: [72] 72,60 unequal: No Solution Moving to Node #0,1,1 Current State: 60:[60, 20], Operations: ['1+1=2', '10*2=20'] Exploring Operation: 60+20=80, Resulting Numbers: [80] 80,60 unequal: No Solution Exploring Operation: 60-20=40, Resulting Numbers: [40] 40,60 unequal: No Solution Exploring Operation: 60/20=3, Resulting Numbers: [3] 3,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[2, 6], Operations: ['1+1=2', '60/10=6'] Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,60 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,60 unequal: No Solution Exploring Operation: 2*6=12, Resulting Numbers: [12] 12,60 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 4, 63, 12, 19 ]
98
[ "4+63=67", "12+19=31", "67+31=98" ]
Current State: 98:[4, 63, 12, 19], Operations: [] Exploring Operation: 4+63=67, Resulting Numbers: [12, 19, 67] Generated Node #2: [12, 19, 67] from Operation: 4+63=67 Current State: 98:[12, 19, 67], Operations: ['4+63=67'] Exploring Operation: 12+19=31, Resulting Numbers: [67, 31] Generated Node #3: [67, 31] from Operation: 12+19=31 Current State: 98:[67, 31], Operations: ['4+63=67', '12+19=31'] Exploring Operation: 67+31=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[4, 63, 12, 19], Operations: [] Exploring Operation: 19-12=7, Resulting Numbers: [4, 63, 7] Generated Node #0,0: 98:[4, 63, 7] Operation: 19-12=7 Exploring Operation: 63-12=51, Resulting Numbers: [4, 19, 51] Generated Node #0,1: 98:[4, 19, 51] Operation: 63-12=51 Exploring Operation: 63-19=44, Resulting Numbers: [4, 12, 44] Generated Node #0,2: 98:[4, 12, 44] Operation: 63-19=44 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[4, 19, 51], Operations: ['63-12=51'] Exploring Operation: 51-4=47, Resulting Numbers: [19, 47] Generated Node #0,1,0: 98:[19, 47] Operation: 51-4=47 Exploring Operation: 19-4=15, Resulting Numbers: [51, 15] Generated Node #0,1,1: 98:[51, 15] Operation: 19-4=15 Exploring Operation: 4+19=23, Resulting Numbers: [51, 23] Generated Node #0,1,2: 98:[51, 23] Operation: 4+19=23 Moving to Node #0,1,1 Current State: 98:[51, 15], Operations: ['63-12=51', '19-4=15'] Exploring Operation: 51*15=765, Resulting Numbers: [765] 765,98 unequal: No Solution Exploring Operation: 51+15=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 51-15=36, Resulting Numbers: [36] 36,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[19, 47], Operations: ['63-12=51', '51-4=47'] Exploring Operation: 19+47=66, Resulting Numbers: [66] 66,98 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 19*47=893, Resulting Numbers: [893] 893,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[51, 23], Operations: ['63-12=51', '4+19=23'] Exploring Operation: 51-23=28, Resulting Numbers: [28] 28,98 unequal: No Solution Exploring Operation: 51*23=1173, Resulting Numbers: [1173] 1173,98 unequal: No Solution Exploring Operation: 51+23=74, Resulting Numbers: [74] 74,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[4, 12, 44], Operations: ['63-19=44'] Exploring Operation: 4+44=48, Resulting Numbers: [12, 48] Generated Node #0,2,0: 98:[12, 48] Operation: 4+44=48 Exploring Operation: 44/4=11, Resulting Numbers: [12, 11] Generated Node #0,2,1: 98:[12, 11] Operation: 44/4=11 Exploring Operation: 4*12=48, Resulting Numbers: [44, 48] Generated Node #0,2,2: 98:[44, 48] Operation: 4*12=48 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 98:[12, 48], Operations: ['63-19=44', '4+44=48'] Exploring Operation: 48-12=36, Resulting Numbers: [36] 36,98 unequal: No Solution Exploring Operation: 12+48=60, Resulting Numbers: [60] 60,98 unequal: No Solution Exploring Operation: 48/12=4, Resulting Numbers: [4] 4,98 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 #0,2,1 Current State: 98:[12, 11], Operations: ['63-19=44', '44/4=11'] Exploring Operation: 12+11=23, Resulting Numbers: [23] 23,98 unequal: No Solution Exploring Operation: 12*11=132, Resulting Numbers: [132] 132,98 unequal: No Solution Exploring Operation: 12-11=1, Resulting Numbers: [1] 1,98 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 #0,2,2 Current State: 98:[44, 48], Operations: ['63-19=44', '4*12=48'] Exploring Operation: 44*48=2112, Resulting Numbers: [2112] 2112,98 unequal: No Solution Exploring Operation: 44+48=92, Resulting Numbers: [92] 92,98 unequal: No Solution Exploring Operation: 48-44=4, Resulting Numbers: [4] 4,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[4, 63, 7], Operations: ['19-12=7'] Exploring Operation: 63-4=59, Resulting Numbers: [7, 59] Generated Node #0,0,0: 98:[7, 59] Operation: 63-4=59 Exploring Operation: 63/7=9, Resulting Numbers: [4, 9] Generated Node #0,0,1: 98:[4, 9] Operation: 63/7=9 Exploring Operation: 63-7=56, Resulting Numbers: [4, 56] Generated Node #0,0,2: 98:[4, 56] Operation: 63-7=56 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 98:[4, 9], Operations: ['19-12=7', '63/7=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,98 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,98 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 #0,0,2 Current State: 98:[4, 56], Operations: ['19-12=7', '63-7=56'] Exploring Operation: 4+56=60, Resulting Numbers: [60] 60,98 unequal: No Solution Exploring Operation: 56-4=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 56/4=14, Resulting Numbers: [14] 14,98 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 #0,0,0 Current State: 98:[7, 59], Operations: ['19-12=7', '63-4=59'] Exploring Operation: 59-7=52, Resulting Numbers: [52] 52,98 unequal: No Solution Exploring Operation: 7*59=413, Resulting Numbers: [413] 413,98 unequal: No Solution Exploring Operation: 7+59=66, Resulting Numbers: [66] 66,98 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 24, 95, 94, 42 ]
67
[ "24+95=119", "94-42=52", "119-52=67" ]
Current State: 67:[24, 95, 94, 42], Operations: [] Exploring Operation: 24+95=119, Resulting Numbers: [94, 42, 119] Generated Node #2: [94, 42, 119] from Operation: 24+95=119 Current State: 67:[94, 42, 119], Operations: ['24+95=119'] Exploring Operation: 94-42=52, Resulting Numbers: [119, 52] Generated Node #3: [119, 52] from Operation: 94-42=52 Current State: 67:[119, 52], Operations: ['24+95=119', '94-42=52'] Exploring Operation: 119-52=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[24, 95, 94, 42], Operations: [] Exploring Operation: 94-24=70, Resulting Numbers: [95, 42, 70] Generated Node #0,0: 67:[95, 42, 70] Operation: 94-24=70 Exploring Operation: 95-42=53, Resulting Numbers: [24, 94, 53] Generated Node #0,1: 67:[24, 94, 53] Operation: 95-42=53 Exploring Operation: 95-24=71, Resulting Numbers: [94, 42, 71] Generated Node #0,2: 67:[94, 42, 71] Operation: 95-24=71 Exploring Operation: 94-42=52, Resulting Numbers: [24, 95, 52] Generated Node #0,3: 67:[24, 95, 52] Operation: 94-42=52 Exploring Operation: 24+42=66, Resulting Numbers: [95, 94, 66] Generated Node #0,4: 67:[95, 94, 66] Operation: 24+42=66 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[95, 42, 70], Operations: ['94-24=70'] Exploring Operation: 95+42=137, Resulting Numbers: [70, 137] Generated Node #0,0,0: 67:[70, 137] Operation: 95+42=137 Exploring Operation: 95-70=25, Resulting Numbers: [42, 25] Generated Node #0,0,1: 67:[42, 25] Operation: 95-70=25 Exploring Operation: 70-42=28, Resulting Numbers: [95, 28] Generated Node #0,0,2: 67:[95, 28] Operation: 70-42=28 Exploring Operation: 42+70=112, Resulting Numbers: [95, 112] Generated Node #0,0,3: 67:[95, 112] Operation: 42+70=112 Exploring Operation: 95-42=53, Resulting Numbers: [70, 53] Generated Node #0,0,4: 67:[70, 53] Operation: 95-42=53 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 67:[70, 53], Operations: ['94-24=70', '95-42=53'] Exploring Operation: 70*53=3710, Resulting Numbers: [3710] 3710,67 unequal: No Solution Exploring Operation: 70-53=17, Resulting Numbers: [17] 17,67 unequal: No Solution Exploring Operation: 70+53=123, Resulting Numbers: [123] 123,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 67:[42, 25], Operations: ['94-24=70', '95-70=25'] Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,67 unequal: No Solution Exploring Operation: 42*25=1050, Resulting Numbers: [1050] 1050,67 unequal: No Solution Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[24, 95, 94, 42], Operations: [] Exploring Operation: 94-24=70, Resulting Numbers: [95, 42, 70] Generated Node #0,0: 67:[95, 42, 70] Operation: 94-24=70 Moving to Node #0,0 Current State: 67:[95, 42, 70], Operations: ['94-24=70'] Exploring Operation: 95-70=25, Resulting Numbers: [42, 25] Generated Node #0,0,1: 67:[42, 25] Operation: 95-70=25 Moving to Node #0,0,1 Current State: 67:[42, 25], Operations: ['94-24=70', '95-70=25'] Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
sum_heuristic
[ 3, 62, 33, 81 ]
82
[ "81-33=48", "3*48=144", "144-62=82" ]
Current State: 82:[3, 62, 33, 81], Operations: [] Exploring Operation: 81-33=48, Resulting Numbers: [3, 62, 48] Generated Node #2: [3, 62, 48] from Operation: 81-33=48 Current State: 82:[3, 62, 48], Operations: ['81-33=48'] Exploring Operation: 3*48=144, Resulting Numbers: [62, 144] Generated Node #3: [62, 144] from Operation: 3*48=144 Current State: 82:[62, 144], Operations: ['81-33=48', '3*48=144'] Exploring Operation: 144-62=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[3, 62, 33, 81], Operations: [] Exploring Operation: 62-33=29, Resulting Numbers: [3, 81, 29] Generated Node #0,0: 82:[3, 81, 29] Operation: 62-33=29 Exploring Operation: 3+62=65, Resulting Numbers: [33, 81, 65] Generated Node #0,1: 82:[33, 81, 65] Operation: 3+62=65 Exploring Operation: 62+33=95, Resulting Numbers: [3, 81, 95] Generated Node #0,2: 82:[3, 81, 95] Operation: 62+33=95 Moving to Node #0,0 Current State: 82:[3, 81, 29], Operations: ['62-33=29'] Exploring Operation: 3*29=87, Resulting Numbers: [81, 87] Generated Node #0,0,0: 82:[81, 87] Operation: 3*29=87 Exploring Operation: 81-29=52, Resulting Numbers: [3, 52] Generated Node #0,0,1: 82:[3, 52] Operation: 81-29=52 Exploring Operation: 3+29=32, Resulting Numbers: [81, 32] Generated Node #0,0,2: 82:[81, 32] Operation: 3+29=32 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[81, 87], Operations: ['62-33=29', '3*29=87'] Exploring Operation: 81+87=168, Resulting Numbers: [168] 168,82 unequal: No Solution Exploring Operation: 87-81=6, Resulting Numbers: [6] 6,82 unequal: No Solution Exploring Operation: 81*87=7047, Resulting Numbers: [7047] 7047,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 82:[81, 32], Operations: ['62-33=29', '3+29=32'] Exploring Operation: 81-32=49, Resulting Numbers: [49] 49,82 unequal: No Solution Exploring Operation: 81+32=113, Resulting Numbers: [113] 113,82 unequal: No Solution Exploring Operation: 81*32=2592, Resulting Numbers: [2592] 2592,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 82:[3, 52], Operations: ['62-33=29', '81-29=52'] Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,82 unequal: No Solution Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,82 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,82 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: 82:[3, 81, 95], Operations: ['62+33=95'] Exploring Operation: 3+81=84, Resulting Numbers: [95, 84] Generated Node #0,2,0: 82:[95, 84] Operation: 3+81=84 Exploring Operation: 95-81=14, Resulting Numbers: [3, 14] Generated Node #0,2,1: 82:[3, 14] Operation: 95-81=14 Exploring Operation: 95-3=92, Resulting Numbers: [81, 92] Generated Node #0,2,2: 82:[81, 92] Operation: 95-3=92 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 82:[81, 92], Operations: ['62+33=95', '95-3=92'] Exploring Operation: 81*92=7452, Resulting Numbers: [7452] 7452,82 unequal: No Solution Exploring Operation: 81+92=173, Resulting Numbers: [173] 173,82 unequal: No Solution Exploring Operation: 92-81=11, Resulting Numbers: [11] 11,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 82:[3, 14], Operations: ['62+33=95', '95-81=14'] Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,82 unequal: No Solution Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,82 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 82:[95, 84], Operations: ['62+33=95', '3+81=84'] Exploring Operation: 95-84=11, Resulting Numbers: [11] 11,82 unequal: No Solution Exploring Operation: 95+84=179, Resulting Numbers: [179] 179,82 unequal: No Solution Exploring Operation: 95*84=7980, Resulting Numbers: [7980] 7980,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 82:[33, 81, 65], Operations: ['3+62=65'] Exploring Operation: 65-33=32, Resulting Numbers: [81, 32] Generated Node #0,1,0: 82:[81, 32] Operation: 65-33=32 Exploring Operation: 33+65=98, Resulting Numbers: [81, 98] Generated Node #0,1,1: 82:[81, 98] Operation: 33+65=98 Exploring Operation: 81-65=16, Resulting Numbers: [33, 16] Generated Node #0,1,2: 82:[33, 16] Operation: 81-65=16 Moving to Node #0,1,0 Current State: 82:[81, 32], Operations: ['3+62=65', '65-33=32'] Exploring Operation: 81-32=49, Resulting Numbers: [49] 49,82 unequal: No Solution Exploring Operation: 81+32=113, Resulting Numbers: [113] 113,82 unequal: No Solution Exploring Operation: 81*32=2592, Resulting Numbers: [2592] 2592,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[81, 98], Operations: ['3+62=65', '33+65=98'] Exploring Operation: 81+98=179, Resulting Numbers: [179] 179,82 unequal: No Solution Exploring Operation: 81*98=7938, Resulting Numbers: [7938] 7938,82 unequal: No Solution Exploring Operation: 98-81=17, Resulting Numbers: [17] 17,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[33, 16], Operations: ['3+62=65', '81-65=16'] Exploring Operation: 33-16=17, Resulting Numbers: [17] 17,82 unequal: No Solution Exploring Operation: 33*16=528, Resulting Numbers: [528] 528,82 unequal: No Solution Exploring Operation: 33+16=49, Resulting Numbers: [49] 49,82 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 19, 5, 11, 63 ]
23
[ "19-11=8", "5*8=40", "63-40=23" ]
Current State: 23:[19, 5, 11, 63], Operations: [] Exploring Operation: 19-11=8, Resulting Numbers: [5, 63, 8] Generated Node #2: [5, 63, 8] from Operation: 19-11=8 Current State: 23:[5, 63, 8], Operations: ['19-11=8'] Exploring Operation: 5*8=40, Resulting Numbers: [63, 40] Generated Node #3: [63, 40] from Operation: 5*8=40 Current State: 23:[63, 40], Operations: ['19-11=8', '5*8=40'] Exploring Operation: 63-40=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[19, 5, 11, 63], Operations: [] Exploring Operation: 63-5=58, Resulting Numbers: [19, 11, 58] Generated Node #0,0: 23:[19, 11, 58] Operation: 63-5=58 Exploring Operation: 63-11=52, Resulting Numbers: [19, 5, 52] Generated Node #0,1: 23:[19, 5, 52] Operation: 63-11=52 Exploring Operation: 5+11=16, Resulting Numbers: [19, 63, 16] Generated Node #0,2: 23:[19, 63, 16] Operation: 5+11=16 Exploring Operation: 63-19=44, Resulting Numbers: [5, 11, 44] Generated Node #0,3: 23:[5, 11, 44] Operation: 63-19=44 Moving to Node #0,0 Current State: 23:[19, 11, 58], Operations: ['63-5=58'] Exploring Operation: 19-11=8, Resulting Numbers: [58, 8] Generated Node #0,0,0: 23:[58, 8] Operation: 19-11=8 Exploring Operation: 58-19=39, Resulting Numbers: [11, 39] Generated Node #0,0,1: 23:[11, 39] Operation: 58-19=39 Exploring Operation: 19+11=30, Resulting Numbers: [58, 30] Generated Node #0,0,2: 23:[58, 30] Operation: 19+11=30 Exploring Operation: 58-11=47, Resulting Numbers: [19, 47] Generated Node #0,0,3: 23:[19, 47] Operation: 58-11=47 Moving to Node #0,2 Current State: 23:[19, 63, 16], Operations: ['5+11=16'] Exploring Operation: 19+16=35, Resulting Numbers: [63, 35] Generated Node #0,2,0: 23:[63, 35] Operation: 19+16=35 Exploring Operation: 19-16=3, Resulting Numbers: [63, 3] Generated Node #0,2,1: 23:[63, 3] Operation: 19-16=3 Exploring Operation: 63-19=44, Resulting Numbers: [16, 44] Generated Node #0,2,2: 23:[16, 44] Operation: 63-19=44 Exploring Operation: 63-16=47, Resulting Numbers: [19, 47] Generated Node #0,2,3: 23:[19, 47] Operation: 63-16=47 Moving to Node #0,1 Current State: 23:[19, 5, 52], Operations: ['63-11=52'] Exploring Operation: 19+5=24, Resulting Numbers: [52, 24] Generated Node #0,1,0: 23:[52, 24] Operation: 19+5=24 Exploring Operation: 52-5=47, Resulting Numbers: [19, 47] Generated Node #0,1,1: 23:[19, 47] Operation: 52-5=47 Exploring Operation: 19-5=14, Resulting Numbers: [52, 14] Generated Node #0,1,2: 23:[52, 14] Operation: 19-5=14 Exploring Operation: 52-19=33, Resulting Numbers: [5, 33] Generated Node #0,1,3: 23:[5, 33] Operation: 52-19=33 Moving to Node #0,3 Current State: 23:[5, 11, 44], Operations: ['63-19=44'] Exploring Operation: 44/11=4, Resulting Numbers: [5, 4] Generated Node #0,3,0: 23:[5, 4] Operation: 44/11=4 Exploring Operation: 5+11=16, Resulting Numbers: [44, 16] Generated Node #0,3,1: 23:[44, 16] Operation: 5+11=16 Exploring Operation: 44-11=33, Resulting Numbers: [5, 33] Generated Node #0,3,2: 23:[5, 33] Operation: 44-11=33 Exploring Operation: 44-5=39, Resulting Numbers: [11, 39] Generated Node #0,3,3: 23:[11, 39] Operation: 44-5=39 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 23:[44, 16], Operations: ['63-19=44', '5+11=16'] Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,23 unequal: No Solution Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 23:[5, 33], Operations: ['63-19=44', '44-11=33'] Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 23:[11, 39], Operations: ['63-19=44', '44-5=39'] Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,23 unequal: No Solution Exploring Operation: 11*39=429, Resulting Numbers: [429] 429,23 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 23:[5, 4], Operations: ['63-19=44', '44/11=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,23 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,23 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: 23:[11, 39], Operations: ['63-5=58', '58-19=39'] Exploring Operation: 11+39=50, Resulting Numbers: [50] 50,23 unequal: No Solution Exploring Operation: 39-11=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 11*39=429, Resulting Numbers: [429] 429,23 unequal: No Solution Moving to Node #0,2,3 Current State: 23:[19, 47], Operations: ['5+11=16', '63-16=47'] Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 19*47=893, Resulting Numbers: [893] 893,23 unequal: No Solution Exploring Operation: 19+47=66, Resulting Numbers: [66] 66,23 unequal: No Solution Moving to Node #0,0,3 Current State: 23:[19, 47], Operations: ['63-5=58', '58-11=47'] Exploring Operation: 19*47=893, Resulting Numbers: [893] 893,23 unequal: No Solution Exploring Operation: 19+47=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,23 unequal: No Solution Moving to Node #0,2,2 Current State: 23:[16, 44], Operations: ['5+11=16', '63-19=44'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 16*44=704, Resulting Numbers: [704] 704,23 unequal: No Solution Exploring Operation: 16+44=60, Resulting Numbers: [60] 60,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[5, 33], Operations: ['63-11=52', '52-19=33'] Exploring Operation: 33-5=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 5+33=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 5*33=165, Resulting Numbers: [165] 165,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[19, 47], Operations: ['63-11=52', '52-5=47'] Exploring Operation: 19*47=893, Resulting Numbers: [893] 893,23 unequal: No Solution Exploring Operation: 19+47=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 47-19=28, Resulting Numbers: [28] 28,23 unequal: No Solution Moving to Node #0,1,0 Current State: 23:[52, 24], Operations: ['63-11=52', '19+5=24'] Exploring Operation: 52+24=76, Resulting Numbers: [76] 76,23 unequal: No Solution Exploring Operation: 52-24=28, Resulting Numbers: [28] 28,23 unequal: No Solution Exploring Operation: 52*24=1248, Resulting Numbers: [1248] 1248,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[52, 14], Operations: ['63-11=52', '19-5=14'] Exploring Operation: 52-14=38, Resulting Numbers: [38] 38,23 unequal: No Solution Exploring Operation: 52*14=728, Resulting Numbers: [728] 728,23 unequal: No Solution Exploring Operation: 52+14=66, Resulting Numbers: [66] 66,23 unequal: No Solution Moving to Node #0,0,2 Current State: 23:[58, 30], Operations: ['63-5=58', '19+11=30'] Exploring Operation: 58*30=1740, Resulting Numbers: [1740] 1740,23 unequal: No Solution Exploring Operation: 58+30=88, Resulting Numbers: [88] 88,23 unequal: No Solution Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,23 unequal: No Solution Moving to Node #0,0,0 Current State: 23:[58, 8], Operations: ['63-5=58', '19-11=8'] Exploring Operation: 58*8=464, Resulting Numbers: [464] 464,23 unequal: No Solution Exploring Operation: 58-8=50, Resulting Numbers: [50] 50,23 unequal: No Solution Exploring Operation: 58+8=66, Resulting Numbers: [66] 66,23 unequal: No Solution Moving to Node #0,2,0 Current State: 23:[63, 35], Operations: ['5+11=16', '19+16=35'] Exploring Operation: 63*35=2205, Resulting Numbers: [2205] 2205,23 unequal: No Solution Exploring Operation: 63+35=98, Resulting Numbers: [98] 98,23 unequal: No Solution Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,23 unequal: No Solution Moving to Node #0,2,1 Current State: 23:[63, 3], Operations: ['5+11=16', '19-16=3'] Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,23 unequal: No Solution Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,23 unequal: No Solution Exploring Operation: 63*3=189, Resulting Numbers: [189] 189,23 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 66, 83, 77, 14 ]
95
[ "66*14=924", "924/77=12", "83+12=95" ]
Current State: 95:[66, 83, 77, 14], Operations: [] Exploring Operation: 66*14=924, Resulting Numbers: [83, 77, 924] Generated Node #2: [83, 77, 924] from Operation: 66*14=924 Current State: 95:[83, 77, 924], Operations: ['66*14=924'] Exploring Operation: 924/77=12, Resulting Numbers: [83, 12] Generated Node #3: [83, 12] from Operation: 924/77=12 Current State: 95:[83, 12], Operations: ['66*14=924', '924/77=12'] Exploring Operation: 83+12=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[66, 83, 77, 14], Operations: [] Exploring Operation: 83-66=17, Resulting Numbers: [77, 14, 17] Generated Node #0,0: 95:[77, 14, 17] Operation: 83-66=17 Exploring Operation: 77-66=11, Resulting Numbers: [83, 14, 11] Generated Node #0,1: 95:[83, 14, 11] Operation: 77-66=11 Exploring Operation: 83-77=6, Resulting Numbers: [66, 14, 6] Generated Node #0,2: 95:[66, 14, 6] Operation: 83-77=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[83, 14, 11], Operations: ['77-66=11'] Exploring Operation: 83+14=97, Resulting Numbers: [11, 97] Generated Node #0,1,0: 95:[11, 97] Operation: 83+14=97 Exploring Operation: 83+11=94, Resulting Numbers: [14, 94] Generated Node #0,1,1: 95:[14, 94] Operation: 83+11=94 Exploring Operation: 14-11=3, Resulting Numbers: [83, 3] Generated Node #0,1,2: 95:[83, 3] Operation: 14-11=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 95:[14, 94], Operations: ['77-66=11', '83+11=94'] Exploring Operation: 14*94=1316, Resulting Numbers: [1316] 1316,95 unequal: No Solution Exploring Operation: 14+94=108, Resulting Numbers: [108] 108,95 unequal: No Solution Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 95:[11, 97], Operations: ['77-66=11', '83+14=97'] Exploring Operation: 11+97=108, Resulting Numbers: [108] 108,95 unequal: No Solution Exploring Operation: 11*97=1067, Resulting Numbers: [1067] 1067,95 unequal: No Solution Exploring Operation: 97-11=86, Resulting Numbers: [86] 86,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 95:[83, 3], Operations: ['77-66=11', '14-11=3'] Exploring Operation: 83+3=86, Resulting Numbers: [86] 86,95 unequal: No Solution Exploring Operation: 83-3=80, Resulting Numbers: [80] 80,95 unequal: No Solution Exploring Operation: 83*3=249, Resulting Numbers: [249] 249,95 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: 95:[77, 14, 17], Operations: ['83-66=17'] Exploring Operation: 77+14=91, Resulting Numbers: [17, 91] Generated Node #0,0,0: 95:[17, 91] Operation: 77+14=91 Exploring Operation: 17-14=3, Resulting Numbers: [77, 3] Generated Node #0,0,1: 95:[77, 3] Operation: 17-14=3 Exploring Operation: 77+17=94, Resulting Numbers: [14, 94] Generated Node #0,0,2: 95:[14, 94] Operation: 77+17=94 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 95:[17, 91], Operations: ['83-66=17', '77+14=91'] Exploring Operation: 17+91=108, Resulting Numbers: [108] 108,95 unequal: No Solution Exploring Operation: 17*91=1547, Resulting Numbers: [1547] 1547,95 unequal: No Solution Exploring Operation: 91-17=74, Resulting Numbers: [74] 74,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 95:[14, 94], Operations: ['83-66=17', '77+17=94'] Exploring Operation: 94-14=80, Resulting Numbers: [80] 80,95 unequal: No Solution Exploring Operation: 14+94=108, Resulting Numbers: [108] 108,95 unequal: No Solution Exploring Operation: 14*94=1316, Resulting Numbers: [1316] 1316,95 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 95:[77, 3], Operations: ['83-66=17', '17-14=3'] Exploring Operation: 77-3=74, Resulting Numbers: [74] 74,95 unequal: No Solution Exploring Operation: 77+3=80, Resulting Numbers: [80] 80,95 unequal: No Solution Exploring Operation: 77*3=231, Resulting Numbers: [231] 231,95 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: 95:[66, 14, 6], Operations: ['83-77=6'] Exploring Operation: 66+6=72, Resulting Numbers: [14, 72] Generated Node #0,2,0: 95:[14, 72] Operation: 66+6=72 Exploring Operation: 66+14=80, Resulting Numbers: [6, 80] Generated Node #0,2,1: 95:[6, 80] Operation: 66+14=80 Exploring Operation: 66/6=11, Resulting Numbers: [14, 11] Generated Node #0,2,2: 95:[14, 11] Operation: 66/6=11 Moving to Node #0,2,2 Current State: 95:[14, 11], Operations: ['83-77=6', '66/6=11'] Exploring Operation: 14*11=154, Resulting Numbers: [154] 154,95 unequal: No Solution Exploring Operation: 14+11=25, Resulting Numbers: [25] 25,95 unequal: No Solution Exploring Operation: 14-11=3, Resulting Numbers: [3] 3,95 unequal: No Solution Moving to Node #0,2,1 Current State: 95:[6, 80], Operations: ['83-77=6', '66+14=80'] Exploring Operation: 6+80=86, Resulting Numbers: [86] 86,95 unequal: No Solution Exploring Operation: 6*80=480, Resulting Numbers: [480] 480,95 unequal: No Solution Exploring Operation: 80-6=74, Resulting Numbers: [74] 74,95 unequal: No Solution Moving to Node #0,2,0 Current State: 95:[14, 72], Operations: ['83-77=6', '66+6=72'] Exploring Operation: 14*72=1008, Resulting Numbers: [1008] 1008,95 unequal: No Solution Exploring Operation: 14+72=86, Resulting Numbers: [86] 86,95 unequal: No Solution Exploring Operation: 72-14=58, Resulting Numbers: [58] 58,95 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
[ 28, 14, 72, 84 ]
14
[ "28/14=2", "84-72=12", "2+12=14" ]
Current State: 14:[28, 14, 72, 84], Operations: [] Exploring Operation: 28/14=2, Resulting Numbers: [72, 84, 2] Generated Node #2: [72, 84, 2] from Operation: 28/14=2 Current State: 14:[72, 84, 2], Operations: ['28/14=2'] Exploring Operation: 84-72=12, Resulting Numbers: [2, 12] Generated Node #3: [2, 12] from Operation: 84-72=12 Current State: 14:[2, 12], Operations: ['28/14=2', '84-72=12'] Exploring Operation: 2+12=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[28, 14, 72, 84], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [14, 72, 3] Generated Node #0,0: 14:[14, 72, 3] Operation: 84/28=3 Exploring Operation: 84/14=6, Resulting Numbers: [28, 72, 6] Generated Node #0,1: 14:[28, 72, 6] Operation: 84/14=6 Exploring Operation: 84-28=56, Resulting Numbers: [14, 72, 56] Generated Node #0,2: 14:[14, 72, 56] Operation: 84-28=56 Exploring Operation: 84-72=12, Resulting Numbers: [28, 14, 12] Generated Node #0,3: 14:[28, 14, 12] Operation: 84-72=12 Exploring Operation: 72-28=44, Resulting Numbers: [14, 84, 44] Generated Node #0,4: 14:[14, 84, 44] Operation: 72-28=44 Start Sub Search at level 1: Moving to Node #0,3 Current State: 14:[28, 14, 12], Operations: ['84-72=12'] Exploring Operation: 28-12=16, Resulting Numbers: [14, 16] Generated Node #0,3,0: 14:[14, 16] Operation: 28-12=16 Exploring Operation: 28/14=2, Resulting Numbers: [12, 2] Generated Node #0,3,1: 14:[12, 2] Operation: 28/14=2 Exploring Operation: 28-14=14, Resulting Numbers: [12, 14] Generated Node #0,3,2: 14:[12, 14] Operation: 28-14=14 Exploring Operation: 28+12=40, Resulting Numbers: [14, 40] Generated Node #0,3,3: 14:[14, 40] Operation: 28+12=40 Exploring Operation: 14-12=2, Resulting Numbers: [28, 2] Generated Node #0,3,4: 14:[28, 2] Operation: 14-12=2 Moving to Node #0,3,0 Current State: 14:[14, 16], Operations: ['84-72=12', '28-12=16'] Exploring Operation: 14*16=224, Resulting Numbers: [224] 224,14 unequal: No Solution Exploring Operation: 16-14=2, Resulting Numbers: [2] 2,14 unequal: No Solution Exploring Operation: 14+16=30, Resulting Numbers: [30] 30,14 unequal: No Solution Moving to Node #0,3,2 Current State: 14:[12, 14], Operations: ['84-72=12', '28-14=14'] Exploring Operation: 12+14=26, Resulting Numbers: [26] 26,14 unequal: No Solution Exploring Operation: 12*14=168, Resulting Numbers: [168] 168,14 unequal: No Solution Exploring Operation: 14-12=2, Resulting Numbers: [2] 2,14 unequal: No Solution Moving to Node #0,3,1 Current State: 14:[12, 2], Operations: ['84-72=12', '28/14=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[28, 14, 72, 84], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [28, 14, 12] Generated Node #0,3: 14:[28, 14, 12] Operation: 84-72=12 Moving to Node #0,3 Current State: 14:[28, 14, 12], Operations: ['84-72=12'] Exploring Operation: 28/14=2, Resulting Numbers: [12, 2] Generated Node #0,3,1: 14:[12, 2] Operation: 28/14=2 Moving to Node #0,3,1 Current State: 14:[12, 2], Operations: ['84-72=12', '28/14=2'] Exploring Operation: 12+2=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 97, 83, 15, 25 ]
18
[ "97+83=180", "25-15=10", "180/10=18" ]
Current State: 18:[97, 83, 15, 25], Operations: [] Exploring Operation: 97+83=180, Resulting Numbers: [15, 25, 180] Generated Node #2: [15, 25, 180] from Operation: 97+83=180 Current State: 18:[15, 25, 180], Operations: ['97+83=180'] Exploring Operation: 25-15=10, Resulting Numbers: [180, 10] Generated Node #3: [180, 10] from Operation: 25-15=10 Current State: 18:[180, 10], Operations: ['97+83=180', '25-15=10'] Exploring Operation: 180/10=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[97, 83, 15, 25], Operations: [] Exploring Operation: 97-83=14, Resulting Numbers: [15, 25, 14] Generated Node #0,0: 18:[15, 25, 14] Operation: 97-83=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[15, 25, 14], Operations: ['97-83=14'] Exploring Operation: 25-15=10, Resulting Numbers: [14, 10] Generated Node #0,0,0: 18:[14, 10] Operation: 25-15=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[14, 10], Operations: ['97-83=14', '25-15=10'] Exploring Operation: 14-10=4, Resulting Numbers: [4] 4,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 15, 84, 28, 14 ]
36
[ "15*28=420", "84+420=504", "504/14=36" ]
Current State: 36:[15, 84, 28, 14], Operations: [] Exploring Operation: 15*28=420, Resulting Numbers: [84, 14, 420] Generated Node #2: [84, 14, 420] from Operation: 15*28=420 Current State: 36:[84, 14, 420], Operations: ['15*28=420'] Exploring Operation: 84+420=504, Resulting Numbers: [14, 504] Generated Node #3: [14, 504] from Operation: 84+420=504 Current State: 36:[14, 504], Operations: ['15*28=420', '84+420=504'] Exploring Operation: 504/14=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[15, 84, 28, 14], Operations: [] Exploring Operation: 84/28=3, Resulting Numbers: [15, 14, 3] Generated Node #0,0: 36:[15, 14, 3] Operation: 84/28=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 36:[15, 14, 3], Operations: ['84/28=3'] Exploring Operation: 15-14=1, Resulting Numbers: [3, 1] Generated Node #0,0,0: 36:[3, 1] Operation: 15-14=1 Moving to Node #0,0,0 Current State: 36:[3, 1], Operations: ['84/28=3', '15-14=1'] Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 69, 30, 24, 51 ]
96
[ "69+51=120", "120/30=4", "24*4=96" ]
Current State: 96:[69, 30, 24, 51], Operations: [] Exploring Operation: 69+51=120, Resulting Numbers: [30, 24, 120] Generated Node #2: [30, 24, 120] from Operation: 69+51=120 Current State: 96:[30, 24, 120], Operations: ['69+51=120'] Exploring Operation: 120/30=4, Resulting Numbers: [24, 4] Generated Node #3: [24, 4] from Operation: 120/30=4 Current State: 96:[24, 4], Operations: ['69+51=120', '120/30=4'] Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[69, 30, 24, 51], Operations: [] Exploring Operation: 69-51=18, Resulting Numbers: [30, 24, 18] Generated Node #0,0: 96:[30, 24, 18] Operation: 69-51=18 Exploring Operation: 69+30=99, Resulting Numbers: [24, 51, 99] Generated Node #0,1: 96:[24, 51, 99] Operation: 69+30=99 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[30, 24, 18], Operations: ['69-51=18'] Exploring Operation: 30-18=12, Resulting Numbers: [24, 12] Generated Node #0,0,0: 96:[24, 12] Operation: 30-18=12 Exploring Operation: 30+18=48, Resulting Numbers: [24, 48] Generated Node #0,0,1: 96:[24, 48] Operation: 30+18=48 Moving to Node #0,0,0 Current State: 96:[24, 12], Operations: ['69-51=18', '30-18=12'] Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,96 unequal: No Solution Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,96 unequal: No Solution Moving to Node #0,0,1 Current State: 96:[24, 48], Operations: ['69-51=18', '30+18=48'] Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[24, 51, 99], Operations: ['69+30=99'] Exploring Operation: 99-51=48, Resulting Numbers: [24, 48] Generated Node #0,1,0: 96:[24, 48] Operation: 99-51=48 Exploring Operation: 51-24=27, Resulting Numbers: [99, 27] Generated Node #0,1,1: 96:[99, 27] Operation: 51-24=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[24, 48], Operations: ['69+30=99', '99-51=48'] Exploring Operation: 48-24=24, Resulting Numbers: [24] 24,96 unequal: No Solution Exploring Operation: 48/24=2, Resulting Numbers: [2] 2,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 96:[99, 27], Operations: ['69+30=99', '51-24=27'] Exploring Operation: 99-27=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 99+27=126, Resulting Numbers: [126] 126,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 41, 3, 14, 56 ]
25
[ "41-14=27", "3*27=81", "81-56=25" ]
Current State: 25:[41, 3, 14, 56], Operations: [] Exploring Operation: 41-14=27, Resulting Numbers: [3, 56, 27] Generated Node #2: [3, 56, 27] from Operation: 41-14=27 Current State: 25:[3, 56, 27], Operations: ['41-14=27'] Exploring Operation: 3*27=81, Resulting Numbers: [56, 81] Generated Node #3: [56, 81] from Operation: 3*27=81 Current State: 25:[56, 81], Operations: ['41-14=27', '3*27=81'] Exploring Operation: 81-56=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[41, 3, 14, 56], Operations: [] Exploring Operation: 56-41=15, Resulting Numbers: [3, 14, 15] Generated Node #0,0: 25:[3, 14, 15] Operation: 56-41=15 Exploring Operation: 41-3=38, Resulting Numbers: [14, 56, 38] Generated Node #0,1: 25:[14, 56, 38] Operation: 41-3=38 Exploring Operation: 41-14=27, Resulting Numbers: [3, 56, 27] Generated Node #0,2: 25:[3, 56, 27] Operation: 41-14=27 Exploring Operation: 56-14=42, Resulting Numbers: [41, 3, 42] Generated Node #0,3: 25:[41, 3, 42] Operation: 56-14=42 Exploring Operation: 56/14=4, Resulting Numbers: [41, 3, 4] Generated Node #0,4: 25:[41, 3, 4] Operation: 56/14=4 Moving to Node #0,4 Current State: 25:[41, 3, 4], Operations: ['56/14=4'] Exploring Operation: 4-3=1, Resulting Numbers: [41, 1] Generated Node #0,4,0: 25:[41, 1] Operation: 4-3=1 Exploring Operation: 41-3=38, Resulting Numbers: [4, 38] Generated Node #0,4,1: 25:[4, 38] Operation: 41-3=38 Exploring Operation: 41+3=44, Resulting Numbers: [4, 44] Generated Node #0,4,2: 25:[4, 44] Operation: 41+3=44 Exploring Operation: 41-4=37, Resulting Numbers: [3, 37] Generated Node #0,4,3: 25:[3, 37] Operation: 41-4=37 Exploring Operation: 3+4=7, Resulting Numbers: [41, 7] Generated Node #0,4,4: 25:[41, 7] Operation: 3+4=7 Moving to Node #0,0 Current State: 25:[3, 14, 15], Operations: ['56-41=15'] Exploring Operation: 15/3=5, Resulting Numbers: [14, 5] Generated Node #0,0,0: 25:[14, 5] Operation: 15/3=5 Exploring Operation: 14+15=29, Resulting Numbers: [3, 29] Generated Node #0,0,1: 25:[3, 29] Operation: 14+15=29 Exploring Operation: 15-14=1, Resulting Numbers: [3, 1] Generated Node #0,0,2: 25:[3, 1] Operation: 15-14=1 Exploring Operation: 14-3=11, Resulting Numbers: [15, 11] Generated Node #0,0,3: 25:[15, 11] Operation: 14-3=11 Exploring Operation: 3+15=18, Resulting Numbers: [14, 18] Generated Node #0,0,4: 25:[14, 18] Operation: 3+15=18 Moving to Node #0,2 Current State: 25:[3, 56, 27], Operations: ['41-14=27'] Exploring Operation: 3+56=59, Resulting Numbers: [27, 59] Generated Node #0,2,0: 25:[27, 59] Operation: 3+56=59 Exploring Operation: 27-3=24, Resulting Numbers: [56, 24] Generated Node #0,2,1: 25:[56, 24] Operation: 27-3=24 Exploring Operation: 27/3=9, Resulting Numbers: [56, 9] Generated Node #0,2,2: 25:[56, 9] Operation: 27/3=9 Exploring Operation: 56-27=29, Resulting Numbers: [3, 29] Generated Node #0,2,3: 25:[3, 29] Operation: 56-27=29 Exploring Operation: 56-3=53, Resulting Numbers: [27, 53] Generated Node #0,2,4: 25:[27, 53] Operation: 56-3=53 Moving to Node #0,3 Current State: 25:[41, 3, 42], Operations: ['56-14=42'] Exploring Operation: 42-41=1, Resulting Numbers: [3, 1] Generated Node #0,3,0: 25:[3, 1] Operation: 42-41=1 Exploring Operation: 42/3=14, Resulting Numbers: [41, 14] Generated Node #0,3,1: 25:[41, 14] Operation: 42/3=14 Exploring Operation: 41-3=38, Resulting Numbers: [42, 38] Generated Node #0,3,2: 25:[42, 38] Operation: 41-3=38 Exploring Operation: 42-3=39, Resulting Numbers: [41, 39] Generated Node #0,3,3: 25:[41, 39] Operation: 42-3=39 Exploring Operation: 41+3=44, Resulting Numbers: [42, 44] Generated Node #0,3,4: 25:[42, 44] Operation: 41+3=44 Moving to Node #0,1 Current State: 25:[14, 56, 38], Operations: ['41-3=38'] Exploring Operation: 56-38=18, Resulting Numbers: [14, 18] Generated Node #0,1,0: 25:[14, 18] Operation: 56-38=18 Exploring Operation: 14+56=70, Resulting Numbers: [38, 70] Generated Node #0,1,1: 25:[38, 70] Operation: 14+56=70 Exploring Operation: 56/14=4, Resulting Numbers: [38, 4] Generated Node #0,1,2: 25:[38, 4] Operation: 56/14=4 Exploring Operation: 38-14=24, Resulting Numbers: [56, 24] Generated Node #0,1,3: 25:[56, 24] Operation: 38-14=24 Exploring Operation: 56-14=42, Resulting Numbers: [38, 42] Generated Node #0,1,4: 25:[38, 42] Operation: 56-14=42 Moving to Node #0,0,1 Current State: 25:[3, 29], Operations: ['56-41=15', '14+15=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,25 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,25 unequal: No Solution Moving to Node #0,0,2 Current State: 25:[3, 1], Operations: ['56-41=15', '15-14=1'] Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,25 unequal: No Solution Moving to Node #0,2,3 Current State: 25:[3, 29], Operations: ['41-14=27', '56-27=29'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,25 unequal: No Solution Exploring Operation: 3*29=87, Resulting Numbers: [87] 87,25 unequal: No Solution Exploring Operation: 3+29=32, Resulting Numbers: [32] 32,25 unequal: No Solution Moving to Node #0,3,0 Current State: 25:[3, 1], Operations: ['56-14=42', '42-41=1'] Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,25 unequal: No Solution Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[14, 5], Operations: ['56-41=15', '15/3=5'] Exploring Operation: 14-5=9, Resulting Numbers: [9] 9,25 unequal: No Solution Exploring Operation: 14*5=70, Resulting Numbers: [70] 70,25 unequal: No Solution Exploring Operation: 14+5=19, Resulting Numbers: [19] 19,25 unequal: No Solution Moving to Node #0,4,1 Current State: 25:[4, 38], Operations: ['56/14=4', '41-3=38'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 4+38=42, Resulting Numbers: [42] 42,25 unequal: No Solution Exploring Operation: 4*38=152, Resulting Numbers: [152] 152,25 unequal: No Solution Moving to Node #0,1,2 Current State: 25:[38, 4], Operations: ['41-3=38', '56/14=4'] Exploring Operation: 38-4=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 38*4=152, Resulting Numbers: [152] 152,25 unequal: No Solution Exploring Operation: 38+4=42, Resulting Numbers: [42] 42,25 unequal: No Solution Moving to Node #0,4,3 Current State: 25:[3, 37], Operations: ['56/14=4', '41-4=37'] Exploring Operation: 3*37=111, Resulting Numbers: [111] 111,25 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,25 unequal: No Solution Exploring Operation: 3+37=40, Resulting Numbers: [40] 40,25 unequal: No Solution Moving to Node #0,0,4 Current State: 25:[14, 18], Operations: ['56-41=15', '3+15=18'] Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,25 unequal: No Solution Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[14, 18], Operations: ['41-3=38', '56-38=18'] Exploring Operation: 18-14=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 14*18=252, Resulting Numbers: [252] 252,25 unequal: No Solution Exploring Operation: 14+18=32, Resulting Numbers: [32] 32,25 unequal: No Solution Moving to Node #0,0,3 Current State: 25:[15, 11], Operations: ['56-41=15', '14-3=11'] Exploring Operation: 15-11=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 15*11=165, Resulting Numbers: [165] 165,25 unequal: No Solution Exploring Operation: 15+11=26, Resulting Numbers: [26] 26,25 unequal: No Solution Moving to Node #0,4,4 Current State: 25:[41, 7], Operations: ['56/14=4', '3+4=7'] Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 41*7=287, Resulting Numbers: [287] 287,25 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,25 unequal: No Solution Moving to Node #0,4,2 Current State: 25:[4, 44], Operations: ['56/14=4', '41+3=44'] Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,25 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 4*44=176, Resulting Numbers: [176] 176,25 unequal: No Solution Moving to Node #0,4,0 Current State: 25:[41, 1], Operations: ['56/14=4', '4-3=1'] Exploring Operation: 41/1=41, Resulting Numbers: [41] 41,25 unequal: No Solution Exploring Operation: 41-1=40, Resulting Numbers: [40] 40,25 unequal: No Solution Exploring Operation: 41*1=41, Resulting Numbers: [41] 41,25 unequal: No Solution Exploring Operation: 41+1=42, Resulting Numbers: [42] 42,25 unequal: No Solution Moving to Node #0,3,1 Current State: 25:[41, 14], Operations: ['56-14=42', '42/3=14'] Exploring Operation: 41*14=574, Resulting Numbers: [574] 574,25 unequal: No Solution Exploring Operation: 41+14=55, Resulting Numbers: [55] 55,25 unequal: No Solution Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,25 unequal: No Solution Moving to Node #0,2,4 Current State: 25:[27, 53], Operations: ['41-14=27', '56-3=53'] Exploring Operation: 27*53=1431, Resulting Numbers: [1431] 1431,25 unequal: No Solution Exploring Operation: 27+53=80, Resulting Numbers: [80] 80,25 unequal: No Solution Exploring Operation: 53-27=26, Resulting Numbers: [26] 26,25 unequal: No Solution Moving to Node #0,1,4 Current State: 25:[38, 42], Operations: ['41-3=38', '56-14=42'] Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,25 unequal: No Solution Exploring Operation: 38*42=1596, Resulting Numbers: [1596] 1596,25 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,25 unequal: No Solution Moving to Node #0,3,2 Current State: 25:[42, 38], Operations: ['56-14=42', '41-3=38'] Exploring Operation: 42*38=1596, Resulting Numbers: [1596] 1596,25 unequal: No Solution Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,25 unequal: No Solution Exploring Operation: 42+38=80, Resulting Numbers: [80] 80,25 unequal: No Solution Moving to Node #0,3,3 Current State: 25:[41, 39], Operations: ['56-14=42', '42-3=39'] Exploring Operation: 41-39=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 41+39=80, Resulting Numbers: [80] 80,25 unequal: No Solution Exploring Operation: 41*39=1599, Resulting Numbers: [1599] 1599,25 unequal: No Solution Moving to Node #0,1,3 Current State: 25:[56, 24], Operations: ['41-3=38', '38-14=24'] Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,25 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,25 unequal: No Solution Moving to Node #0,2,1 Current State: 25:[56, 24], Operations: ['41-14=27', '27-3=24'] Exploring Operation: 56*24=1344, Resulting Numbers: [1344] 1344,25 unequal: No Solution Exploring Operation: 56+24=80, Resulting Numbers: [80] 80,25 unequal: No Solution Exploring Operation: 56-24=32, Resulting Numbers: [32] 32,25 unequal: No Solution Moving to Node #0,2,2 Current State: 25:[56, 9], Operations: ['41-14=27', '27/3=9'] Exploring Operation: 56+9=65, Resulting Numbers: [65] 65,25 unequal: No Solution Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,25 unequal: No Solution Exploring Operation: 56*9=504, Resulting Numbers: [504] 504,25 unequal: No Solution Moving to Node #0,2,0 Current State: 25:[27, 59], Operations: ['41-14=27', '3+56=59'] Exploring Operation: 27+59=86, Resulting Numbers: [86] 86,25 unequal: No Solution Exploring Operation: 59-27=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 27*59=1593, Resulting Numbers: [1593] 1593,25 unequal: No Solution Moving to Node #0,3,4 Current State: 25:[42, 44], Operations: ['56-14=42', '41+3=44'] Exploring Operation: 44-42=2, Resulting Numbers: [2] 2,25 unequal: No Solution Exploring Operation: 42*44=1848, Resulting Numbers: [1848] 1848,25 unequal: No Solution Exploring Operation: 42+44=86, Resulting Numbers: [86] 86,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[38, 70], Operations: ['41-3=38', '14+56=70'] Exploring Operation: 38+70=108, Resulting Numbers: [108] 108,25 unequal: No Solution Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,25 unequal: No Solution Exploring Operation: 38*70=2660, Resulting Numbers: [2660] 2660,25 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 46, 10, 43, 43 ]
99
[ "46-43=3", "43-10=33", "3*33=99" ]
Current State: 99:[46, 10, 43, 43], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [10, 3] Generated Node #2: [10, 3] from Operation: 46-43=3 Current State: 99:[10, 3], Operations: ['46-43=3'] Exploring Operation: 43-10=33, Resulting Numbers: [3, 33] Generated Node #3: [3, 33] from Operation: 43-10=33 Current State: 99:[3, 33], Operations: ['46-43=3', '43-10=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[46, 10, 43, 43], Operations: [] Exploring Operation: 43/43=1, Resulting Numbers: [46, 10, 1] Generated Node #0,0: 99:[46, 10, 1] Operation: 43/43=1 Exploring Operation: 46-43=3, Resulting Numbers: [10, 43, 3] Generated Node #0,1: 99:[10, 43, 3] Operation: 46-43=3 Exploring Operation: 46-43=3, Resulting Numbers: [10, 43, 3] Generated Node #0,2: 99:[10, 43, 3] Operation: 46-43=3 Exploring Operation: 43-43=0, Resulting Numbers: [46, 10, 0] Generated Node #0,3: 99:[46, 10, 0] Operation: 43-43=0 Moving to Node #0,1 Current State: 99:[10, 43, 3], Operations: ['46-43=3'] Exploring Operation: 10+3=13, Resulting Numbers: [43, 13] Generated Node #0,1,0: 99:[43, 13] Operation: 10+3=13 Exploring Operation: 10-3=7, Resulting Numbers: [43, 7] Generated Node #0,1,1: 99:[43, 7] Operation: 10-3=7 Exploring Operation: 43-10=33, Resulting Numbers: [3, 33] Generated Node #0,1,2: 99:[3, 33] Operation: 43-10=33 Exploring Operation: 43-3=40, Resulting Numbers: [10, 40] Generated Node #0,1,3: 99:[10, 40] Operation: 43-3=40 Moving to Node #0,2 Current State: 99:[10, 43, 3], Operations: ['46-43=3'] Exploring Operation: 43-3=40, Resulting Numbers: [10, 40] Generated Node #0,2,0: 99:[10, 40] Operation: 43-3=40 Exploring Operation: 10-3=7, Resulting Numbers: [43, 7] Generated Node #0,2,1: 99:[43, 7] Operation: 10-3=7 Exploring Operation: 10+3=13, Resulting Numbers: [43, 13] Generated Node #0,2,2: 99:[43, 13] Operation: 10+3=13 Exploring Operation: 43-10=33, Resulting Numbers: [3, 33] Generated Node #0,2,3: 99:[3, 33] Operation: 43-10=33 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 99:[3, 33], Operations: ['46-43=3', '43-10=33'] Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,99 unequal: No Solution Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[46, 10, 43, 43], Operations: [] Exploring Operation: 46-43=3, Resulting Numbers: [10, 43, 3] Generated Node #0,2: 99:[10, 43, 3] Operation: 46-43=3 Moving to Node #0,2 Current State: 99:[10, 43, 3], Operations: ['46-43=3'] Exploring Operation: 43-10=33, Resulting Numbers: [3, 33] Generated Node #0,2,3: 99:[3, 33] Operation: 43-10=33 Moving to Node #0,2,3 Current State: 99:[3, 33], Operations: ['46-43=3', '43-10=33'] Exploring Operation: 3*33=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 1, 7, 12, 34 ]
39
[ "1*7=7", "12+34=46", "46-7=39" ]
Current State: 39:[1, 7, 12, 34], Operations: [] Exploring Operation: 1*7=7, Resulting Numbers: [12, 34, 7] Generated Node #2: [12, 34, 7] from Operation: 1*7=7 Current State: 39:[12, 34, 7], Operations: ['1*7=7'] Exploring Operation: 12+34=46, Resulting Numbers: [7, 46] Generated Node #3: [7, 46] from Operation: 12+34=46 Current State: 39:[7, 46], Operations: ['1*7=7', '12+34=46'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[1, 7, 12, 34], Operations: [] Exploring Operation: 7+34=41, Resulting Numbers: [1, 12, 41] Generated Node #0,0: 39:[1, 12, 41] Operation: 7+34=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[1, 12, 41], Operations: ['7+34=41'] Exploring Operation: 1+12=13, Resulting Numbers: [41, 13] Generated Node #0,0,0: 39:[41, 13] Operation: 1+12=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 39:[41, 13], Operations: ['7+34=41', '1+12=13'] Exploring Operation: 41-13=28, Resulting Numbers: [28] 28,39 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_1
sum_heuristic
[ 97, 19, 49, 52 ]
26
[ "97-19=78", "52-49=3", "78/3=26" ]
Current State: 26:[97, 19, 49, 52], Operations: [] Exploring Operation: 97-19=78, Resulting Numbers: [49, 52, 78] Generated Node #2: [49, 52, 78] from Operation: 97-19=78 Current State: 26:[49, 52, 78], Operations: ['97-19=78'] Exploring Operation: 52-49=3, Resulting Numbers: [78, 3] Generated Node #3: [78, 3] from Operation: 52-49=3 Current State: 26:[78, 3], Operations: ['97-19=78', '52-49=3'] Exploring Operation: 78/3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[97, 19, 49, 52], Operations: [] Exploring Operation: 97-52=45, Resulting Numbers: [19, 49, 45] Generated Node #0,0: 26:[19, 49, 45] Operation: 97-52=45 Exploring Operation: 97-49=48, Resulting Numbers: [19, 52, 48] Generated Node #0,1: 26:[19, 52, 48] Operation: 97-49=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[19, 49, 45], Operations: ['97-52=45'] Exploring Operation: 49-45=4, Resulting Numbers: [19, 4] Generated Node #0,0,0: 26:[19, 4] Operation: 49-45=4 Exploring Operation: 49-19=30, Resulting Numbers: [45, 30] Generated Node #0,0,1: 26:[45, 30] Operation: 49-19=30 Moving to Node #0,0,0 Current State: 26:[19, 4], Operations: ['97-52=45', '49-45=4'] Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,26 unequal: No Solution Moving to Node #0,0,1 Current State: 26:[45, 30], Operations: ['97-52=45', '49-19=30'] Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,26 unequal: No Solution Exploring Operation: 45+30=75, Resulting Numbers: [75] 75,26 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 26:[19, 52, 48], Operations: ['97-49=48'] Exploring Operation: 52-19=33, Resulting Numbers: [48, 33] Generated Node #0,1,0: 26:[48, 33] Operation: 52-19=33 Exploring Operation: 52-48=4, Resulting Numbers: [19, 4] Generated Node #0,1,1: 26:[19, 4] Operation: 52-48=4 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 26:[19, 4], Operations: ['97-49=48', '52-48=4'] Exploring Operation: 19+4=23, Resulting Numbers: [23] 23,26 unequal: No Solution Exploring Operation: 19-4=15, Resulting Numbers: [15] 15,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 26:[48, 33], Operations: ['97-49=48', '52-19=33'] Exploring Operation: 48+33=81, Resulting Numbers: [81] 81,26 unequal: No Solution Exploring Operation: 48-33=15, Resulting Numbers: [15] 15,26 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 43, 52, 9, 6 ]
35
[ "52*9=468", "468/6=78", "78-43=35" ]
Current State: 35:[43, 52, 9, 6], Operations: [] Exploring Operation: 52*9=468, Resulting Numbers: [43, 6, 468] Generated Node #2: [43, 6, 468] from Operation: 52*9=468 Current State: 35:[43, 6, 468], Operations: ['52*9=468'] Exploring Operation: 468/6=78, Resulting Numbers: [43, 78] Generated Node #3: [43, 78] from Operation: 468/6=78 Current State: 35:[43, 78], Operations: ['52*9=468', '468/6=78'] Exploring Operation: 78-43=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[43, 52, 9, 6], Operations: [] Exploring Operation: 43-6=37, Resulting Numbers: [52, 9, 37] Generated Node #0,0: 35:[52, 9, 37] Operation: 43-6=37 Exploring Operation: 43-9=34, Resulting Numbers: [52, 6, 34] Generated Node #0,1: 35:[52, 6, 34] Operation: 43-9=34 Exploring Operation: 52-9=43, Resulting Numbers: [43, 6, 43] Generated Node #0,2: 35:[43, 6, 43] Operation: 52-9=43 Exploring Operation: 52-43=9, Resulting Numbers: [9, 6, 9] Generated Node #0,3: 35:[9, 6, 9] Operation: 52-43=9 Exploring Operation: 52-6=46, Resulting Numbers: [43, 9, 46] Generated Node #0,4: 35:[43, 9, 46] Operation: 52-6=46 Moving to Node #0,3 Current State: 35:[9, 6, 9], Operations: ['52-43=9'] Exploring Operation: 9-6=3, Resulting Numbers: [9, 3] Generated Node #0,3,0: 35:[9, 3] Operation: 9-6=3 Exploring Operation: 9+6=15, Resulting Numbers: [9, 15] Generated Node #0,3,1: 35:[9, 15] Operation: 9+6=15 Exploring Operation: 9-9=0, Resulting Numbers: [6, 0] Generated Node #0,3,2: 35:[6, 0] Operation: 9-9=0 Exploring Operation: 9-6=3, Resulting Numbers: [9, 3] Generated Node #0,3,3: 35:[9, 3] Operation: 9-6=3 Exploring Operation: 9/9=1, Resulting Numbers: [6, 1] Generated Node #0,3,4: 35:[6, 1] Operation: 9/9=1 Moving to Node #0,2 Current State: 35:[43, 6, 43], Operations: ['52-9=43'] Exploring Operation: 43-6=37, Resulting Numbers: [43, 37] Generated Node #0,2,0: 35:[43, 37] Operation: 43-6=37 Exploring Operation: 43-43=0, Resulting Numbers: [6, 0] Generated Node #0,2,1: 35:[6, 0] Operation: 43-43=0 Exploring Operation: 43-6=37, Resulting Numbers: [43, 37] Generated Node #0,2,2: 35:[43, 37] Operation: 43-6=37 Exploring Operation: 43+6=49, Resulting Numbers: [43, 49] Generated Node #0,2,3: 35:[43, 49] Operation: 43+6=49 Exploring Operation: 43/43=1, Resulting Numbers: [6, 1] Generated Node #0,2,4: 35:[6, 1] Operation: 43/43=1 Moving to Node #0,1 Current State: 35:[52, 6, 34], Operations: ['43-9=34'] Exploring Operation: 52-6=46, Resulting Numbers: [34, 46] Generated Node #0,1,0: 35:[34, 46] Operation: 52-6=46 Exploring Operation: 34-6=28, Resulting Numbers: [52, 28] Generated Node #0,1,1: 35:[52, 28] Operation: 34-6=28 Exploring Operation: 6+34=40, Resulting Numbers: [52, 40] Generated Node #0,1,2: 35:[52, 40] Operation: 6+34=40 Exploring Operation: 52-34=18, Resulting Numbers: [6, 18] Generated Node #0,1,3: 35:[6, 18] Operation: 52-34=18 Exploring Operation: 52+6=58, Resulting Numbers: [34, 58] Generated Node #0,1,4: 35:[34, 58] Operation: 52+6=58 Moving to Node #0,0 Current State: 35:[52, 9, 37], Operations: ['43-6=37'] Exploring Operation: 37-9=28, Resulting Numbers: [52, 28] Generated Node #0,0,0: 35:[52, 28] Operation: 37-9=28 Exploring Operation: 52-9=43, Resulting Numbers: [37, 43] Generated Node #0,0,1: 35:[37, 43] Operation: 52-9=43 Exploring Operation: 9+37=46, Resulting Numbers: [52, 46] Generated Node #0,0,2: 35:[52, 46] Operation: 9+37=46 Exploring Operation: 52-37=15, Resulting Numbers: [9, 15] Generated Node #0,0,3: 35:[9, 15] Operation: 52-37=15 Exploring Operation: 52+9=61, Resulting Numbers: [37, 61] Generated Node #0,0,4: 35:[37, 61] Operation: 52+9=61 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 35:[37, 43], Operations: ['43-6=37', '52-9=43'] Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 37*43=1591, Resulting Numbers: [1591] 1591,35 unequal: No Solution Exploring Operation: 37+43=80, Resulting Numbers: [80] 80,35 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 #0,0,3 Current State: 35:[9, 15], Operations: ['43-6=37', '52-37=15'] Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,35 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,35 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:[52, 28], Operations: ['43-6=37', '37-9=28'] Exploring Operation: 52+28=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 52-28=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 52*28=1456, Resulting Numbers: [1456] 1456,35 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 #0,0,2 Current State: 35:[52, 46], Operations: ['43-6=37', '9+37=46'] Exploring Operation: 52-46=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 52+46=98, Resulting Numbers: [98] 98,35 unequal: No Solution Exploring Operation: 52*46=2392, Resulting Numbers: [2392] 2392,35 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 #0,0,4 Current State: 35:[37, 61], Operations: ['43-6=37', '52+9=61'] Exploring Operation: 61-37=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 37+61=98, Resulting Numbers: [98] 98,35 unequal: No Solution Exploring Operation: 37*61=2257, Resulting Numbers: [2257] 2257,35 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: 35:[43, 9, 46], Operations: ['52-6=46'] Exploring Operation: 46-9=37, Resulting Numbers: [43, 37] Generated Node #0,4,0: 35:[43, 37] Operation: 46-9=37 Exploring Operation: 43-9=34, Resulting Numbers: [46, 34] Generated Node #0,4,1: 35:[46, 34] Operation: 43-9=34 Exploring Operation: 43+9=52, Resulting Numbers: [46, 52] Generated Node #0,4,2: 35:[46, 52] Operation: 43+9=52 Exploring Operation: 46-43=3, Resulting Numbers: [9, 3] Generated Node #0,4,3: 35:[9, 3] Operation: 46-43=3 Exploring Operation: 9+46=55, Resulting Numbers: [43, 55] Generated Node #0,4,4: 35:[43, 55] Operation: 9+46=55 Moving to Node #0,3,0 Current State: 35:[9, 3], Operations: ['52-43=9', '9-6=3'] Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,35 unequal: No Solution Moving to Node #0,3,3 Current State: 35:[9, 3], Operations: ['52-43=9', '9-6=3'] Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,35 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,35 unequal: No Solution Moving to Node #0,4,3 Current State: 35:[9, 3], Operations: ['52-6=46', '46-43=3'] Exploring Operation: 9+3=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 9*3=27, Resulting Numbers: [27] 27,35 unequal: No Solution Moving to Node #0,3,4 Current State: 35:[6, 1], Operations: ['52-43=9', '9/9=1'] Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,35 unequal: No Solution Moving to Node #0,2,4 Current State: 35:[6, 1], Operations: ['52-9=43', '43/43=1'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,35 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,35 unequal: No Solution Moving to Node #0,2,1 Current State: 35:[6, 0], Operations: ['52-9=43', '43-43=0'] Exploring Operation: 6+0=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 6-0=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 6*0=0, Resulting Numbers: [0] 0,35 unequal: No Solution Moving to Node #0,3,2 Current State: 35:[6, 0], Operations: ['52-43=9', '9-9=0'] Exploring Operation: 6+0=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 6*0=0, Resulting Numbers: [0] 0,35 unequal: No Solution Exploring Operation: 6-0=6, Resulting Numbers: [6] 6,35 unequal: No Solution Moving to Node #0,2,0 Current State: 35:[43, 37], Operations: ['52-9=43', '43-6=37'] Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 43*37=1591, Resulting Numbers: [1591] 1591,35 unequal: No Solution Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,35 unequal: No Solution Moving to Node #0,3,1 Current State: 35:[9, 15], Operations: ['52-43=9', '9+6=15'] Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,35 unequal: No Solution Moving to Node #0,2,2 Current State: 35:[43, 37], Operations: ['52-9=43', '43-6=37'] Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 43*37=1591, Resulting Numbers: [1591] 1591,35 unequal: No Solution Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,35 unequal: No Solution Moving to Node #0,4,0 Current State: 35:[43, 37], Operations: ['52-6=46', '46-9=37'] Exploring Operation: 43-37=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 43*37=1591, Resulting Numbers: [1591] 1591,35 unequal: No Solution Exploring Operation: 43+37=80, Resulting Numbers: [80] 80,35 unequal: No Solution Moving to Node #0,1,3 Current State: 35:[6, 18], Operations: ['43-9=34', '52-34=18'] Exploring Operation: 6*18=108, Resulting Numbers: [108] 108,35 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,35 unequal: No Solution Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,35 unequal: No Solution Moving to Node #0,1,0 Current State: 35:[34, 46], Operations: ['43-9=34', '52-6=46'] Exploring Operation: 34*46=1564, Resulting Numbers: [1564] 1564,35 unequal: No Solution Exploring Operation: 46-34=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 34+46=80, Resulting Numbers: [80] 80,35 unequal: No Solution Moving to Node #0,4,1 Current State: 35:[46, 34], Operations: ['52-6=46', '43-9=34'] Exploring Operation: 46+34=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 46-34=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 46*34=1564, Resulting Numbers: [1564] 1564,35 unequal: No Solution Moving to Node #0,1,2 Current State: 35:[52, 40], Operations: ['43-9=34', '6+34=40'] Exploring Operation: 52-40=12, Resulting Numbers: [12] 12,35 unequal: No Solution Exploring Operation: 52+40=92, Resulting Numbers: [92] 92,35 unequal: No Solution Exploring Operation: 52*40=2080, Resulting Numbers: [2080] 2080,35 unequal: No Solution Moving to Node #0,2,3 Current State: 35:[43, 49], Operations: ['52-9=43', '43+6=49'] Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,35 unequal: No Solution Exploring Operation: 43*49=2107, Resulting Numbers: [2107] 2107,35 unequal: No Solution Exploring Operation: 43+49=92, Resulting Numbers: [92] 92,35 unequal: No Solution Moving to Node #0,1,4 Current State: 35:[34, 58], Operations: ['43-9=34', '52+6=58'] Exploring Operation: 34+58=92, Resulting Numbers: [92] 92,35 unequal: No Solution Exploring Operation: 58-34=24, Resulting Numbers: [24] 24,35 unequal: No Solution Exploring Operation: 34*58=1972, Resulting Numbers: [1972] 1972,35 unequal: No Solution Moving to Node #0,1,1 Current State: 35:[52, 28], Operations: ['43-9=34', '34-6=28'] Exploring Operation: 52*28=1456, Resulting Numbers: [1456] 1456,35 unequal: No Solution Exploring Operation: 52+28=80, Resulting Numbers: [80] 80,35 unequal: No Solution Exploring Operation: 52-28=24, Resulting Numbers: [24] 24,35 unequal: No Solution Moving to Node #0,4,4 Current State: 35:[43, 55], Operations: ['52-6=46', '9+46=55'] Exploring Operation: 43*55=2365, Resulting Numbers: [2365] 2365,35 unequal: No Solution Exploring Operation: 43+55=98, Resulting Numbers: [98] 98,35 unequal: No Solution Exploring Operation: 55-43=12, Resulting Numbers: [12] 12,35 unequal: No Solution Moving to Node #0,4,2 Current State: 35:[46, 52], Operations: ['52-6=46', '43+9=52'] Exploring Operation: 46*52=2392, Resulting Numbers: [2392] 2392,35 unequal: No Solution Exploring Operation: 46+52=98, Resulting Numbers: [98] 98,35 unequal: No Solution Exploring Operation: 52-46=6, Resulting Numbers: [6] 6,35 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 98, 56, 12, 87 ]
56
[ "98-12=86", "87-86=1", "56*1=56" ]
Current State: 56:[98, 56, 12, 87], Operations: [] Exploring Operation: 98-12=86, Resulting Numbers: [56, 87, 86] Generated Node #2: [56, 87, 86] from Operation: 98-12=86 Current State: 56:[56, 87, 86], Operations: ['98-12=86'] Exploring Operation: 87-86=1, Resulting Numbers: [56, 1] Generated Node #3: [56, 1] from Operation: 87-86=1 Current State: 56:[56, 1], Operations: ['98-12=86', '87-86=1'] Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[98, 56, 12, 87], Operations: [] Exploring Operation: 98-87=11, Resulting Numbers: [56, 12, 11] Generated Node #0,0: 56:[56, 12, 11] Operation: 98-87=11 Moving to Node #0,0 Current State: 56:[56, 12, 11], Operations: ['98-87=11'] Exploring Operation: 12-11=1, Resulting Numbers: [56, 1] Generated Node #0,0,0: 56:[56, 1] Operation: 12-11=1 Moving to Node #0,0,0 Current State: 56:[56, 1], Operations: ['98-87=11', '12-11=1'] Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[98, 56, 12, 87], Operations: [] Exploring Operation: 98-87=11, Resulting Numbers: [56, 12, 11] Generated Node #0,0: 56:[56, 12, 11] Operation: 98-87=11 Moving to Node #0,0 Current State: 56:[56, 12, 11], Operations: ['98-87=11'] Exploring Operation: 12-11=1, Resulting Numbers: [56, 1] Generated Node #0,0,0: 56:[56, 1] Operation: 12-11=1 Moving to Node #0,0,0 Current State: 56:[56, 1], Operations: ['98-87=11', '12-11=1'] Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 17, 56, 63, 2 ]
32
[ "17+63=80", "56*2=112", "112-80=32" ]
Current State: 32:[17, 56, 63, 2], Operations: [] Exploring Operation: 17+63=80, Resulting Numbers: [56, 2, 80] Generated Node #2: [56, 2, 80] from Operation: 17+63=80 Current State: 32:[56, 2, 80], Operations: ['17+63=80'] Exploring Operation: 56*2=112, Resulting Numbers: [80, 112] Generated Node #3: [80, 112] from Operation: 56*2=112 Current State: 32:[80, 112], Operations: ['17+63=80', '56*2=112'] Exploring Operation: 112-80=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[17, 56, 63, 2], Operations: [] Exploring Operation: 63-56=7, Resulting Numbers: [17, 2, 7] Generated Node #0,0: 32:[17, 2, 7] Operation: 63-56=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[17, 2, 7], Operations: ['63-56=7'] Exploring Operation: 17-2=15, Resulting Numbers: [7, 15] Generated Node #0,0,0: 32:[7, 15] Operation: 17-2=15 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 32:[7, 15], Operations: ['63-56=7', '17-2=15'] Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,32 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
[ 18, 21, 98, 38 ]
20
[ "21-18=3", "98-38=60", "60/3=20" ]
Current State: 20:[18, 21, 98, 38], Operations: [] Exploring Operation: 21-18=3, Resulting Numbers: [98, 38, 3] Generated Node #2: [98, 38, 3] from Operation: 21-18=3 Current State: 20:[98, 38, 3], Operations: ['21-18=3'] Exploring Operation: 98-38=60, Resulting Numbers: [3, 60] Generated Node #3: [3, 60] from Operation: 98-38=60 Current State: 20:[3, 60], Operations: ['21-18=3', '98-38=60'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[18, 21, 98, 38], Operations: [] Exploring Operation: 98-18=80, Resulting Numbers: [21, 38, 80] Generated Node #0,0: 20:[21, 38, 80] Operation: 98-18=80 Exploring Operation: 38-18=20, Resulting Numbers: [21, 98, 20] Generated Node #0,1: 20:[21, 98, 20] Operation: 38-18=20 Exploring Operation: 98-38=60, Resulting Numbers: [18, 21, 60] Generated Node #0,2: 20:[18, 21, 60] Operation: 98-38=60 Exploring Operation: 98-21=77, Resulting Numbers: [18, 38, 77] Generated Node #0,3: 20:[18, 38, 77] Operation: 98-21=77 Moving to Node #0,2 Current State: 20:[18, 21, 60], Operations: ['98-38=60'] Exploring Operation: 18+21=39, Resulting Numbers: [60, 39] Generated Node #0,2,0: 20:[60, 39] Operation: 18+21=39 Exploring Operation: 60-18=42, Resulting Numbers: [21, 42] Generated Node #0,2,1: 20:[21, 42] Operation: 60-18=42 Exploring Operation: 60-21=39, Resulting Numbers: [18, 39] Generated Node #0,2,2: 20:[18, 39] Operation: 60-21=39 Exploring Operation: 21-18=3, Resulting Numbers: [60, 3] Generated Node #0,2,3: 20:[60, 3] Operation: 21-18=3 Moving to Node #0,3 Current State: 20:[18, 38, 77], Operations: ['98-21=77'] Exploring Operation: 77-18=59, Resulting Numbers: [38, 59] Generated Node #0,3,0: 20:[38, 59] Operation: 77-18=59 Exploring Operation: 38-18=20, Resulting Numbers: [77, 20] Generated Node #0,3,1: 20:[77, 20] Operation: 38-18=20 Exploring Operation: 18+38=56, Resulting Numbers: [77, 56] Generated Node #0,3,2: 20:[77, 56] Operation: 18+38=56 Exploring Operation: 77-38=39, Resulting Numbers: [18, 39] Generated Node #0,3,3: 20:[18, 39] Operation: 77-38=39 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 20:[18, 39], Operations: ['98-21=77', '77-38=39'] Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,20 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 20:[38, 59], Operations: ['98-21=77', '77-18=59'] Exploring Operation: 38*59=2242, Resulting Numbers: [2242] 2242,20 unequal: No Solution Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 38+59=97, Resulting Numbers: [97] 97,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 20:[77, 20], Operations: ['98-21=77', '38-18=20'] Exploring Operation: 77+20=97, Resulting Numbers: [97] 97,20 unequal: No Solution Exploring Operation: 77*20=1540, Resulting Numbers: [1540] 1540,20 unequal: No Solution Exploring Operation: 77-20=57, Resulting Numbers: [57] 57,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 20:[77, 56], Operations: ['98-21=77', '18+38=56'] Exploring Operation: 77-56=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 77*56=4312, Resulting Numbers: [4312] 4312,20 unequal: No Solution Exploring Operation: 77+56=133, Resulting Numbers: [133] 133,20 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: 20:[21, 98, 20], Operations: ['38-18=20'] Exploring Operation: 21+98=119, Resulting Numbers: [20, 119] Generated Node #0,1,0: 20:[20, 119] Operation: 21+98=119 Exploring Operation: 21-20=1, Resulting Numbers: [98, 1] Generated Node #0,1,1: 20:[98, 1] Operation: 21-20=1 Exploring Operation: 98-21=77, Resulting Numbers: [20, 77] Generated Node #0,1,2: 20:[20, 77] Operation: 98-21=77 Exploring Operation: 98-20=78, Resulting Numbers: [21, 78] Generated Node #0,1,3: 20:[21, 78] Operation: 98-20=78 Moving to Node #0,0 Current State: 20:[21, 38, 80], Operations: ['98-18=80'] Exploring Operation: 38-21=17, Resulting Numbers: [80, 17] Generated Node #0,0,0: 20:[80, 17] Operation: 38-21=17 Exploring Operation: 80-38=42, Resulting Numbers: [21, 42] Generated Node #0,0,1: 20:[21, 42] Operation: 80-38=42 Exploring Operation: 21+38=59, Resulting Numbers: [80, 59] Generated Node #0,0,2: 20:[80, 59] Operation: 21+38=59 Exploring Operation: 80-21=59, Resulting Numbers: [38, 59] Generated Node #0,0,3: 20:[38, 59] Operation: 80-21=59 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 20:[21, 42], Operations: ['98-18=80', '80-38=42'] Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 21+42=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 21*42=882, Resulting Numbers: [882] 882,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 20:[38, 59], Operations: ['98-18=80', '80-21=59'] Exploring Operation: 38*59=2242, Resulting Numbers: [2242] 2242,20 unequal: No Solution Exploring Operation: 38+59=97, Resulting Numbers: [97] 97,20 unequal: No Solution Exploring Operation: 59-38=21, Resulting Numbers: [21] 21,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 20:[80, 17], Operations: ['98-18=80', '38-21=17'] Exploring Operation: 80+17=97, Resulting Numbers: [97] 97,20 unequal: No Solution Exploring Operation: 80-17=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 80*17=1360, Resulting Numbers: [1360] 1360,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 20:[80, 59], Operations: ['98-18=80', '21+38=59'] Exploring Operation: 80-59=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 80+59=139, Resulting Numbers: [139] 139,20 unequal: No Solution Exploring Operation: 80*59=4720, Resulting Numbers: [4720] 4720,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,2 Current State: 20:[18, 39], Operations: ['98-38=60', '60-21=39'] Exploring Operation: 18*39=702, Resulting Numbers: [702] 702,20 unequal: No Solution Exploring Operation: 18+39=57, Resulting Numbers: [57] 57,20 unequal: No Solution Exploring Operation: 39-18=21, Resulting Numbers: [21] 21,20 unequal: No Solution Moving to Node #0,2,1 Current State: 20:[21, 42], Operations: ['98-38=60', '60-18=42'] Exploring Operation: 21+42=63, Resulting Numbers: [63] 63,20 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,20 unequal: No Solution Exploring Operation: 21*42=882, Resulting Numbers: [882] 882,20 unequal: No Solution Moving to Node #0,2,3 Current State: 20:[60, 3], Operations: ['98-38=60', '21-18=3'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[18, 21, 98, 38], Operations: [] Exploring Operation: 98-38=60, Resulting Numbers: [18, 21, 60] Generated Node #0,2: 20:[18, 21, 60] Operation: 98-38=60 Moving to Node #0,2 Current State: 20:[18, 21, 60], Operations: ['98-38=60'] Exploring Operation: 21-18=3, Resulting Numbers: [60, 3] Generated Node #0,2,3: 20:[60, 3] Operation: 21-18=3 Moving to Node #0,2,3 Current State: 20:[60, 3], Operations: ['98-38=60', '21-18=3'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
0.950521
hs_4
mult_heuristic
[ 63, 95, 88, 85 ]
76
[ "95-88=7", "63/7=9", "85-9=76" ]
Current State: 76:[63, 95, 88, 85], Operations: [] Exploring Operation: 95-88=7, Resulting Numbers: [63, 85, 7] Generated Node #2: [63, 85, 7] from Operation: 95-88=7 Current State: 76:[63, 85, 7], Operations: ['95-88=7'] Exploring Operation: 63/7=9, Resulting Numbers: [85, 9] Generated Node #3: [85, 9] from Operation: 63/7=9 Current State: 76:[85, 9], Operations: ['95-88=7', '63/7=9'] Exploring Operation: 85-9=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[63, 95, 88, 85], Operations: [] Exploring Operation: 95-88=7, Resulting Numbers: [63, 85, 7] Generated Node #0,0: 76:[63, 85, 7] Operation: 95-88=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 76:[63, 85, 7], Operations: ['95-88=7'] Exploring Operation: 85-63=22, Resulting Numbers: [7, 22] Generated Node #0,0,0: 76:[7, 22] Operation: 85-63=22 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 76:[7, 22], Operations: ['95-88=7', '85-63=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,76 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 12, 6, 18, 44 ]
45
[ "12+6=18", "18/18=1", "44+1=45" ]
Current State: 45:[12, 6, 18, 44], Operations: [] Exploring Operation: 12+6=18, Resulting Numbers: [18, 44, 18] Generated Node #2: [18, 44, 18] from Operation: 12+6=18 Current State: 45:[18, 44, 18], Operations: ['12+6=18'] Exploring Operation: 18/18=1, Resulting Numbers: [44, 1] Generated Node #3: [44, 1] from Operation: 18/18=1 Current State: 45:[44, 1], Operations: ['12+6=18', '18/18=1'] Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[12, 6, 18, 44], Operations: [] Exploring Operation: 18-12=6, Resulting Numbers: [6, 44, 6] Generated Node #0,0: 45:[6, 44, 6] Operation: 18-12=6 Exploring Operation: 12-6=6, Resulting Numbers: [18, 44, 6] Generated Node #0,1: 45:[18, 44, 6] Operation: 12-6=6 Exploring Operation: 18/6=3, Resulting Numbers: [12, 44, 3] Generated Node #0,2: 45:[12, 44, 3] Operation: 18/6=3 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[6, 44, 6], Operations: ['18-12=6'] Exploring Operation: 6+6=12, Resulting Numbers: [44, 12] Generated Node #0,0,0: 45:[44, 12] Operation: 6+6=12 Exploring Operation: 6-6=0, Resulting Numbers: [44, 0] Generated Node #0,0,1: 45:[44, 0] Operation: 6-6=0 Exploring Operation: 6/6=1, Resulting Numbers: [44, 1] Generated Node #0,0,2: 45:[44, 1] Operation: 6/6=1 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[44, 1], Operations: ['18-12=6', '6/6=1'] Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,45 unequal: No Solution Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[12, 6, 18, 44], Operations: [] Exploring Operation: 18-12=6, Resulting Numbers: [6, 44, 6] Generated Node #0,0: 45:[6, 44, 6] Operation: 18-12=6 Moving to Node #0,0 Current State: 45:[6, 44, 6], Operations: ['18-12=6'] Exploring Operation: 6/6=1, Resulting Numbers: [44, 1] Generated Node #0,0,2: 45:[44, 1] Operation: 6/6=1 Moving to Node #0,0,2 Current State: 45:[44, 1], Operations: ['18-12=6', '6/6=1'] Exploring Operation: 44+1=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 6, 16, 3, 12 ]
42
[ "16-6=10", "3*10=30", "12+30=42" ]
Current State: 42:[6, 16, 3, 12], Operations: [] Exploring Operation: 16-6=10, Resulting Numbers: [3, 12, 10] Generated Node #2: [3, 12, 10] from Operation: 16-6=10 Current State: 42:[3, 12, 10], Operations: ['16-6=10'] Exploring Operation: 3*10=30, Resulting Numbers: [12, 30] Generated Node #3: [12, 30] from Operation: 3*10=30 Current State: 42:[12, 30], Operations: ['16-6=10', '3*10=30'] Exploring Operation: 12+30=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[6, 16, 3, 12], Operations: [] Exploring Operation: 6+16=22, Resulting Numbers: [3, 12, 22] Generated Node #0,0: 42:[3, 12, 22] Operation: 6+16=22 Exploring Operation: 12/6=2, Resulting Numbers: [16, 3, 2] Generated Node #0,1: 42:[16, 3, 2] Operation: 12/6=2 Exploring Operation: 16-12=4, Resulting Numbers: [6, 3, 4] Generated Node #0,2: 42:[6, 3, 4] Operation: 16-12=4 Exploring Operation: 12-6=6, Resulting Numbers: [16, 3, 6] Generated Node #0,3: 42:[16, 3, 6] Operation: 12-6=6 Moving to Node #0,2 Current State: 42:[6, 3, 4], Operations: ['16-12=4'] Exploring Operation: 6-3=3, Resulting Numbers: [4, 3] Generated Node #0,2,0: 42:[4, 3] Operation: 6-3=3 Exploring Operation: 3+4=7, Resulting Numbers: [6, 7] Generated Node #0,2,1: 42:[6, 7] Operation: 3+4=7 Exploring Operation: 6-4=2, Resulting Numbers: [3, 2] Generated Node #0,2,2: 42:[3, 2] Operation: 6-4=2 Exploring Operation: 6/3=2, Resulting Numbers: [4, 2] Generated Node #0,2,3: 42:[4, 2] Operation: 6/3=2 Moving to Node #0,3 Current State: 42:[16, 3, 6], Operations: ['12-6=6'] Exploring Operation: 16+6=22, Resulting Numbers: [3, 22] Generated Node #0,3,0: 42:[3, 22] Operation: 16+6=22 Exploring Operation: 6-3=3, Resulting Numbers: [16, 3] Generated Node #0,3,1: 42:[16, 3] Operation: 6-3=3 Exploring Operation: 16+3=19, Resulting Numbers: [6, 19] Generated Node #0,3,2: 42:[6, 19] Operation: 16+3=19 Exploring Operation: 16-3=13, Resulting Numbers: [6, 13] Generated Node #0,3,3: 42:[6, 13] Operation: 16-3=13 Moving to Node #0,1 Current State: 42:[16, 3, 2], Operations: ['12/6=2'] Exploring Operation: 16/2=8, Resulting Numbers: [3, 8] Generated Node #0,1,0: 42:[3, 8] Operation: 16/2=8 Exploring Operation: 16-2=14, Resulting Numbers: [3, 14] Generated Node #0,1,1: 42:[3, 14] Operation: 16-2=14 Exploring Operation: 16+3=19, Resulting Numbers: [2, 19] Generated Node #0,1,2: 42:[2, 19] Operation: 16+3=19 Exploring Operation: 16-3=13, Resulting Numbers: [2, 13] Generated Node #0,1,3: 42:[2, 13] Operation: 16-3=13 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 42:[3, 14], Operations: ['12/6=2', '16-2=14'] Exploring Operation: 3+14=17, Resulting Numbers: [17] 17,42 unequal: No Solution Exploring Operation: 14-3=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[6, 16, 3, 12], Operations: [] Exploring Operation: 12/6=2, Resulting Numbers: [16, 3, 2] Generated Node #0,1: 42:[16, 3, 2] Operation: 12/6=2 Moving to Node #0,1 Current State: 42:[16, 3, 2], Operations: ['12/6=2'] Exploring Operation: 16-2=14, Resulting Numbers: [3, 14] Generated Node #0,1,1: 42:[3, 14] Operation: 16-2=14 Moving to Node #0,1,1 Current State: 42:[3, 14], Operations: ['12/6=2', '16-2=14'] Exploring Operation: 3*14=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
sum_heuristic
[ 72, 75, 84, 83 ]
75
[ "84-75=9", "72/9=8", "83-8=75" ]
Current State: 75:[72, 75, 84, 83], Operations: [] Exploring Operation: 84-75=9, Resulting Numbers: [72, 83, 9] Generated Node #2: [72, 83, 9] from Operation: 84-75=9 Current State: 75:[72, 83, 9], Operations: ['84-75=9'] Exploring Operation: 72/9=8, Resulting Numbers: [83, 8] Generated Node #3: [83, 8] from Operation: 72/9=8 Current State: 75:[83, 8], Operations: ['84-75=9', '72/9=8'] Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[72, 75, 84, 83], Operations: [] Exploring Operation: 83-72=11, Resulting Numbers: [75, 84, 11] Generated Node #0,0: 75:[75, 84, 11] Operation: 83-72=11 Exploring Operation: 84-83=1, Resulting Numbers: [72, 75, 1] Generated Node #0,1: 75:[72, 75, 1] Operation: 84-83=1 Exploring Operation: 84-72=12, Resulting Numbers: [75, 83, 12] Generated Node #0,2: 75:[75, 83, 12] Operation: 84-72=12 Moving to Node #0,1 Current State: 75:[72, 75, 1], Operations: ['84-83=1'] Exploring Operation: 75-72=3, Resulting Numbers: [1, 3] Generated Node #0,1,0: 75:[1, 3] Operation: 75-72=3 Exploring Operation: 72*1=72, Resulting Numbers: [75, 72] Generated Node #0,1,1: 75:[75, 72] Operation: 72*1=72 Exploring Operation: 72+1=73, Resulting Numbers: [75, 73] Generated Node #0,1,2: 75:[75, 73] Operation: 72+1=73 Moving to Node #0,2 Current State: 75:[75, 83, 12], Operations: ['84-72=12'] Exploring Operation: 83-75=8, Resulting Numbers: [12, 8] Generated Node #0,2,0: 75:[12, 8] Operation: 83-75=8 Exploring Operation: 75+12=87, Resulting Numbers: [83, 87] Generated Node #0,2,1: 75:[83, 87] Operation: 75+12=87 Exploring Operation: 83-12=71, Resulting Numbers: [75, 71] Generated Node #0,2,2: 75:[75, 71] Operation: 83-12=71 Moving to Node #0,0 Current State: 75:[75, 84, 11], Operations: ['83-72=11'] Exploring Operation: 75+11=86, Resulting Numbers: [84, 86] Generated Node #0,0,0: 75:[84, 86] Operation: 75+11=86 Exploring Operation: 84-75=9, Resulting Numbers: [11, 9] Generated Node #0,0,1: 75:[11, 9] Operation: 84-75=9 Exploring Operation: 84-11=73, Resulting Numbers: [75, 73] Generated Node #0,0,2: 75:[75, 73] Operation: 84-11=73 Moving to Node #0,1,0 Current State: 75:[1, 3], Operations: ['84-83=1', '75-72=3'] Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[75, 73], Operations: ['83-72=11', '84-11=73'] Exploring Operation: 75+73=148, Resulting Numbers: [148] 148,75 unequal: No Solution Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 75*73=5475, Resulting Numbers: [5475] 5475,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[75, 73], Operations: ['84-83=1', '72+1=73'] Exploring Operation: 75-73=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 75*73=5475, Resulting Numbers: [5475] 5475,75 unequal: No Solution Exploring Operation: 75+73=148, Resulting Numbers: [148] 148,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[75, 72], Operations: ['84-83=1', '72*1=72'] Exploring Operation: 75+72=147, Resulting Numbers: [147] 147,75 unequal: No Solution Exploring Operation: 75-72=3, Resulting Numbers: [3] 3,75 unequal: No Solution Exploring Operation: 75*72=5400, Resulting Numbers: [5400] 5400,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[75, 71], Operations: ['84-72=12', '83-12=71'] Exploring Operation: 75*71=5325, Resulting Numbers: [5325] 5325,75 unequal: No Solution Exploring Operation: 75+71=146, Resulting Numbers: [146] 146,75 unequal: No Solution Exploring Operation: 75-71=4, Resulting Numbers: [4] 4,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[12, 8], Operations: ['84-72=12', '83-75=8'] Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,75 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[11, 9], Operations: ['83-72=11', '84-75=9'] Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,75 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[84, 86], Operations: ['83-72=11', '75+11=86'] Exploring Operation: 86-84=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 84*86=7224, Resulting Numbers: [7224] 7224,75 unequal: No Solution Exploring Operation: 84+86=170, Resulting Numbers: [170] 170,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[83, 87], Operations: ['84-72=12', '75+12=87'] Exploring Operation: 87-83=4, Resulting Numbers: [4] 4,75 unequal: No Solution Exploring Operation: 83+87=170, Resulting Numbers: [170] 170,75 unequal: No Solution Exploring Operation: 83*87=7221, Resulting Numbers: [7221] 7221,75 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 34, 82, 79, 16 ]
14
[ "82-79=3", "16*3=48", "48-34=14" ]
Current State: 14:[34, 82, 79, 16], Operations: [] Exploring Operation: 82-79=3, Resulting Numbers: [34, 16, 3] Generated Node #2: [34, 16, 3] from Operation: 82-79=3 Current State: 14:[34, 16, 3], Operations: ['82-79=3'] Exploring Operation: 16*3=48, Resulting Numbers: [34, 48] Generated Node #3: [34, 48] from Operation: 16*3=48 Current State: 14:[34, 48], Operations: ['82-79=3', '16*3=48'] Exploring Operation: 48-34=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[34, 82, 79, 16], Operations: [] Exploring Operation: 82-79=3, Resulting Numbers: [34, 16, 3] Generated Node #0,0: 14:[34, 16, 3] Operation: 82-79=3 Exploring Operation: 82-34=48, Resulting Numbers: [79, 16, 48] Generated Node #0,1: 14:[79, 16, 48] Operation: 82-34=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[34, 16, 3], Operations: ['82-79=3'] Exploring Operation: 34-16=18, Resulting Numbers: [3, 18] Generated Node #0,0,0: 14:[3, 18] Operation: 34-16=18 Exploring Operation: 34-3=31, Resulting Numbers: [16, 31] Generated Node #0,0,1: 14:[16, 31] Operation: 34-3=31 Moving to Node #0,0,0 Current State: 14:[3, 18], Operations: ['82-79=3', '34-16=18'] Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,14 unequal: No Solution Moving to Node #0,0,1 Current State: 14:[16, 31], Operations: ['82-79=3', '34-3=31'] Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,14 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:[79, 16, 48], Operations: ['82-34=48'] Exploring Operation: 79-48=31, Resulting Numbers: [16, 31] Generated Node #0,1,0: 14:[16, 31] Operation: 79-48=31 Exploring Operation: 48/16=3, Resulting Numbers: [79, 3] Generated Node #0,1,1: 14:[79, 3] Operation: 48/16=3 Moving to Node #0,1,0 Current State: 14:[16, 31], Operations: ['82-34=48', '79-48=31'] Exploring Operation: 31-16=15, Resulting Numbers: [15] 15,14 unequal: No Solution Exploring Operation: 16+31=47, Resulting Numbers: [47] 47,14 unequal: No Solution Moving to Node #0,1,1 Current State: 14:[79, 3], Operations: ['82-34=48', '48/16=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,14 unequal: No Solution Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,14 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
[ 10, 78, 24, 68 ]
44
[ "10+78=88", "68-24=44", "88-44=44" ]
Current State: 44:[10, 78, 24, 68], Operations: [] Exploring Operation: 10+78=88, Resulting Numbers: [24, 68, 88] Generated Node #2: [24, 68, 88] from Operation: 10+78=88 Current State: 44:[24, 68, 88], Operations: ['10+78=88'] Exploring Operation: 68-24=44, Resulting Numbers: [88, 44] Generated Node #3: [88, 44] from Operation: 68-24=44 Current State: 44:[88, 44], Operations: ['10+78=88', '68-24=44'] Exploring Operation: 88-44=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[10, 78, 24, 68], Operations: [] Exploring Operation: 78-10=68, Resulting Numbers: [24, 68, 68] Generated Node #0,0: 44:[24, 68, 68] Operation: 78-10=68 Exploring Operation: 78-24=54, Resulting Numbers: [10, 68, 54] Generated Node #0,1: 44:[10, 68, 54] Operation: 78-24=54 Exploring Operation: 78-68=10, Resulting Numbers: [10, 24, 10] Generated Node #0,2: 44:[10, 24, 10] Operation: 78-68=10 Exploring Operation: 68-24=44, Resulting Numbers: [10, 78, 44] Generated Node #0,3: 44:[10, 78, 44] Operation: 68-24=44 Start Sub Search at level 1: Moving to Node #0,2 Current State: 44:[10, 24, 10], Operations: ['78-68=10'] Exploring Operation: 10-10=0, Resulting Numbers: [24, 0] Generated Node #0,2,0: 44:[24, 0] Operation: 10-10=0 Exploring Operation: 10+10=20, Resulting Numbers: [24, 20] Generated Node #0,2,1: 44:[24, 20] Operation: 10+10=20 Exploring Operation: 24-10=14, Resulting Numbers: [10, 14] Generated Node #0,2,2: 44:[10, 14] Operation: 24-10=14 Exploring Operation: 10/10=1, Resulting Numbers: [24, 1] Generated Node #0,2,3: 44:[24, 1] Operation: 10/10=1 Moving to Node #0,2,3 Current State: 44:[24, 1], Operations: ['78-68=10', '10/10=1'] Exploring Operation: 24*1=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 24/1=24, Resulting Numbers: [24] 24,44 unequal: No Solution Exploring Operation: 24+1=25, Resulting Numbers: [25] 25,44 unequal: No Solution Exploring Operation: 24-1=23, Resulting Numbers: [23] 23,44 unequal: No Solution Moving to Node #0,2,1 Current State: 44:[24, 20], Operations: ['78-68=10', '10+10=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Moving to Node #0 Current State: 44:[10, 78, 24, 68], Operations: [] Exploring Operation: 78-68=10, Resulting Numbers: [10, 24, 10] Generated Node #0,2: 44:[10, 24, 10] Operation: 78-68=10 Moving to Node #0,2 Current State: 44:[10, 24, 10], Operations: ['78-68=10'] Exploring Operation: 10+10=20, Resulting Numbers: [24, 20] Generated Node #0,2,1: 44:[24, 20] Operation: 10+10=20 Moving to Node #0,2,1 Current State: 44:[24, 20], Operations: ['78-68=10', '10+10=20'] Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,44 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
mult_heuristic
[ 7, 72, 34, 27 ]
18
[ "7+72=79", "34+27=61", "79-61=18" ]
Current State: 18:[7, 72, 34, 27], Operations: [] Exploring Operation: 7+72=79, Resulting Numbers: [34, 27, 79] Generated Node #2: [34, 27, 79] from Operation: 7+72=79 Current State: 18:[34, 27, 79], Operations: ['7+72=79'] Exploring Operation: 34+27=61, Resulting Numbers: [79, 61] Generated Node #3: [79, 61] from Operation: 34+27=61 Current State: 18:[79, 61], Operations: ['7+72=79', '34+27=61'] Exploring Operation: 79-61=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[7, 72, 34, 27], Operations: [] Exploring Operation: 72-7=65, Resulting Numbers: [34, 27, 65] Generated Node #0,0: 18:[34, 27, 65] Operation: 72-7=65 Exploring Operation: 72-27=45, Resulting Numbers: [7, 34, 45] Generated Node #0,1: 18:[7, 34, 45] Operation: 72-27=45 Exploring Operation: 72-34=38, Resulting Numbers: [7, 27, 38] Generated Node #0,2: 18:[7, 27, 38] Operation: 72-34=38 Exploring Operation: 34-27=7, Resulting Numbers: [7, 72, 7] Generated Node #0,3: 18:[7, 72, 7] Operation: 34-27=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[7, 27, 38], Operations: ['72-34=38'] Exploring Operation: 7+27=34, Resulting Numbers: [38, 34] Generated Node #0,2,0: 18:[38, 34] Operation: 7+27=34 Exploring Operation: 38-7=31, Resulting Numbers: [27, 31] Generated Node #0,2,1: 18:[27, 31] Operation: 38-7=31 Exploring Operation: 38-27=11, Resulting Numbers: [7, 11] Generated Node #0,2,2: 18:[7, 11] Operation: 38-27=11 Exploring Operation: 27-7=20, Resulting Numbers: [38, 20] Generated Node #0,2,3: 18:[38, 20] Operation: 27-7=20 Moving to Node #0,2,2 Current State: 18:[7, 11], Operations: ['72-34=38', '38-27=11'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,18 unequal: No Solution Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[7, 72, 34, 27], Operations: [] Exploring Operation: 72-34=38, Resulting Numbers: [7, 27, 38] Generated Node #0,2: 18:[7, 27, 38] Operation: 72-34=38 Moving to Node #0,2 Current State: 18:[7, 27, 38], Operations: ['72-34=38'] Exploring Operation: 38-27=11, Resulting Numbers: [7, 11] Generated Node #0,2,2: 18:[7, 11] Operation: 38-27=11 Moving to Node #0,2,2 Current State: 18:[7, 11], Operations: ['72-34=38', '38-27=11'] Exploring Operation: 7+11=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 57, 62, 94, 72 ]
97
[ "57+62=119", "94-72=22", "119-22=97" ]
Current State: 97:[57, 62, 94, 72], Operations: [] Exploring Operation: 57+62=119, Resulting Numbers: [94, 72, 119] Generated Node #2: [94, 72, 119] from Operation: 57+62=119 Current State: 97:[94, 72, 119], Operations: ['57+62=119'] Exploring Operation: 94-72=22, Resulting Numbers: [119, 22] Generated Node #3: [119, 22] from Operation: 94-72=22 Current State: 97:[119, 22], Operations: ['57+62=119', '94-72=22'] Exploring Operation: 119-22=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[57, 62, 94, 72], Operations: [] Exploring Operation: 57+62=119, Resulting Numbers: [94, 72, 119] Generated Node #0,0: 97:[94, 72, 119] Operation: 57+62=119 Exploring Operation: 57+72=129, Resulting Numbers: [62, 94, 129] Generated Node #0,1: 97:[62, 94, 129] Operation: 57+72=129 Moving to Node #0,0 Current State: 97:[94, 72, 119], Operations: ['57+62=119'] Exploring Operation: 119-72=47, Resulting Numbers: [94, 47] Generated Node #0,0,0: 97:[94, 47] Operation: 119-72=47 Exploring Operation: 94+72=166, Resulting Numbers: [119, 166] Generated Node #0,0,1: 97:[119, 166] Operation: 94+72=166 Moving to Node #0,1 Current State: 97:[62, 94, 129], Operations: ['57+72=129'] Exploring Operation: 129-62=67, Resulting Numbers: [94, 67] Generated Node #0,1,0: 97:[94, 67] Operation: 129-62=67 Exploring Operation: 62+94=156, Resulting Numbers: [129, 156] Generated Node #0,1,1: 97:[129, 156] Operation: 62+94=156 Moving to Node #0,1,0 Current State: 97:[94, 67], Operations: ['57+72=129', '129-62=67'] Exploring Operation: 94+67=161, Resulting Numbers: [161] 161,97 unequal: No Solution Exploring Operation: 94-67=27, Resulting Numbers: [27] 27,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[94, 47], Operations: ['57+62=119', '119-72=47'] Exploring Operation: 94+47=141, Resulting Numbers: [141] 141,97 unequal: No Solution Exploring Operation: 94-47=47, Resulting Numbers: [47] 47,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[119, 166], Operations: ['57+62=119', '94+72=166'] Exploring Operation: 166-119=47, Resulting Numbers: [47] 47,97 unequal: No Solution Exploring Operation: 119+166=285, Resulting Numbers: [285] 285,97 unequal: No Solution Moving to Node #0,1,1 Current State: 97:[129, 156], Operations: ['57+72=129', '62+94=156'] Exploring Operation: 156-129=27, Resulting Numbers: [27] 27,97 unequal: No Solution Exploring Operation: 129+156=285, Resulting Numbers: [285] 285,97 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 12, 84, 45, 90 ]
63
[ "84-12=72", "45+90=135", "135-72=63" ]
Current State: 63:[12, 84, 45, 90], Operations: [] Exploring Operation: 84-12=72, Resulting Numbers: [45, 90, 72] Generated Node #2: [45, 90, 72] from Operation: 84-12=72 Current State: 63:[45, 90, 72], Operations: ['84-12=72'] Exploring Operation: 45+90=135, Resulting Numbers: [72, 135] Generated Node #3: [72, 135] from Operation: 45+90=135 Current State: 63:[72, 135], Operations: ['84-12=72', '45+90=135'] Exploring Operation: 135-72=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[12, 84, 45, 90], Operations: [] Exploring Operation: 90-45=45, Resulting Numbers: [12, 84, 45] Generated Node #0,0: 63:[12, 84, 45] Operation: 90-45=45 Exploring Operation: 90-84=6, Resulting Numbers: [12, 45, 6] Generated Node #0,1: 63:[12, 45, 6] Operation: 90-84=6 Exploring Operation: 90/45=2, Resulting Numbers: [12, 84, 2] Generated Node #0,2: 63:[12, 84, 2] Operation: 90/45=2 Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[12, 45, 6], Operations: ['90-84=6'] Exploring Operation: 45-12=33, Resulting Numbers: [6, 33] Generated Node #0,1,0: 63:[6, 33] Operation: 45-12=33 Exploring Operation: 12+45=57, Resulting Numbers: [6, 57] Generated Node #0,1,1: 63:[6, 57] Operation: 12+45=57 Exploring Operation: 45+6=51, Resulting Numbers: [12, 51] Generated Node #0,1,2: 63:[12, 51] Operation: 45+6=51 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 63:[6, 57], Operations: ['90-84=6', '12+45=57'] Exploring Operation: 6+57=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[12, 84, 45, 90], Operations: [] Exploring Operation: 90-84=6, Resulting Numbers: [12, 45, 6] Generated Node #0,1: 63:[12, 45, 6] Operation: 90-84=6 Moving to Node #0,1 Current State: 63:[12, 45, 6], Operations: ['90-84=6'] Exploring Operation: 12+45=57, Resulting Numbers: [6, 57] Generated Node #0,1,1: 63:[6, 57] Operation: 12+45=57 Moving to Node #0,1,1 Current State: 63:[6, 57], Operations: ['90-84=6', '12+45=57'] Exploring Operation: 6+57=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 52, 52, 22, 36 ]
56
[ "52+36=88", "88/22=4", "52+4=56" ]
Current State: 56:[52, 52, 22, 36], Operations: [] Exploring Operation: 52+36=88, Resulting Numbers: [22, 88] Generated Node #2: [22, 88] from Operation: 52+36=88 Current State: 56:[22, 88], Operations: ['52+36=88'] Exploring Operation: 88/22=4, Resulting Numbers: [4] 4,56 equal: Goal Reached Exploring Operation: 52+4=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[52, 52, 22, 36], Operations: [] Exploring Operation: 52-36=16, Resulting Numbers: [52, 22, 16] Generated Node #0,0: 56:[52, 22, 16] Operation: 52-36=16 Exploring Operation: 52-36=16, Resulting Numbers: [52, 22, 16] Generated Node #0,1: 56:[52, 22, 16] Operation: 52-36=16 Exploring Operation: 22+36=58, Resulting Numbers: [52, 52, 58] Generated Node #0,2: 56:[52, 52, 58] Operation: 22+36=58 Exploring Operation: 36-22=14, Resulting Numbers: [52, 52, 14] Generated Node #0,3: 56:[52, 52, 14] Operation: 36-22=14 Exploring Operation: 52-22=30, Resulting Numbers: [52, 36, 30] Generated Node #0,4: 56:[52, 36, 30] Operation: 52-22=30 Moving to Node #0,3 Current State: 56:[52, 52, 14], Operations: ['36-22=14'] Exploring Operation: 52/52=1, Resulting Numbers: [14, 1] Generated Node #0,3,0: 56:[14, 1] Operation: 52/52=1 Exploring Operation: 52-52=0, Resulting Numbers: [14, 0] Generated Node #0,3,1: 56:[14, 0] Operation: 52-52=0 Exploring Operation: 52-14=38, Resulting Numbers: [52, 38] Generated Node #0,3,2: 56:[52, 38] Operation: 52-14=38 Exploring Operation: 52+14=66, Resulting Numbers: [52, 66] Generated Node #0,3,3: 56:[52, 66] Operation: 52+14=66 Exploring Operation: 52+14=66, Resulting Numbers: [52, 66] Generated Node #0,3,4: 56:[52, 66] Operation: 52+14=66 Moving to Node #0,2 Current State: 56:[52, 52, 58], Operations: ['22+36=58'] Exploring Operation: 52-52=0, Resulting Numbers: [58, 0] Generated Node #0,2,0: 56:[58, 0] Operation: 52-52=0 Exploring Operation: 52+52=104, Resulting Numbers: [58, 104] Generated Node #0,2,1: 56:[58, 104] Operation: 52+52=104 Exploring Operation: 58-52=6, Resulting Numbers: [52, 6] Generated Node #0,2,2: 56:[52, 6] Operation: 58-52=6 Exploring Operation: 52/52=1, Resulting Numbers: [58, 1] Generated Node #0,2,3: 56:[58, 1] Operation: 52/52=1 Exploring Operation: 58-52=6, Resulting Numbers: [52, 6] Generated Node #0,2,4: 56:[52, 6] Operation: 58-52=6 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 56:[58, 1], Operations: ['22+36=58', '52/52=1'] Exploring Operation: 58*1=58, Resulting Numbers: [58] 58,56 unequal: No Solution Exploring Operation: 58/1=58, Resulting Numbers: [58] 58,56 unequal: No Solution Exploring Operation: 58-1=57, Resulting Numbers: [57] 57,56 unequal: No Solution Exploring Operation: 58+1=59, Resulting Numbers: [59] 59,56 unequal: No Solution No 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: 56:[58, 0], Operations: ['22+36=58', '52-52=0'] Exploring Operation: 58-0=58, Resulting Numbers: [58] 58,56 unequal: No Solution Exploring Operation: 58*0=0, Resulting Numbers: [0] 0,56 unequal: No Solution Exploring Operation: 58+0=58, Resulting Numbers: [58] 58,56 unequal: No Solution No 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: 56:[52, 6], Operations: ['22+36=58', '58-52=6'] Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,56 unequal: No Solution Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,56 unequal: No Solution No 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: 56:[52, 6], Operations: ['22+36=58', '58-52=6'] Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,56 unequal: No Solution Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,56 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,56 unequal: No Solution No 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: 56:[58, 104], Operations: ['22+36=58', '52+52=104'] Exploring Operation: 58+104=162, Resulting Numbers: [162] 162,56 unequal: No Solution Exploring Operation: 104-58=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 58*104=6032, Resulting Numbers: [6032] 6032,56 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: 56:[52, 22, 16], Operations: ['52-36=16'] Exploring Operation: 52-22=30, Resulting Numbers: [16, 30] Generated Node #0,0,0: 56:[16, 30] Operation: 52-22=30 Exploring Operation: 22+16=38, Resulting Numbers: [52, 38] Generated Node #0,0,1: 56:[52, 38] Operation: 22+16=38 Exploring Operation: 22-16=6, Resulting Numbers: [52, 6] Generated Node #0,0,2: 56:[52, 6] Operation: 22-16=6 Exploring Operation: 52+16=68, Resulting Numbers: [22, 68] Generated Node #0,0,3: 56:[22, 68] Operation: 52+16=68 Exploring Operation: 52-16=36, Resulting Numbers: [22, 36] Generated Node #0,0,4: 56:[22, 36] Operation: 52-16=36 Moving to Node #0,1 Current State: 56:[52, 22, 16], Operations: ['52-36=16'] Exploring Operation: 52-22=30, Resulting Numbers: [16, 30] Generated Node #0,1,0: 56:[16, 30] Operation: 52-22=30 Exploring Operation: 22+16=38, Resulting Numbers: [52, 38] Generated Node #0,1,1: 56:[52, 38] Operation: 22+16=38 Exploring Operation: 52+16=68, Resulting Numbers: [22, 68] Generated Node #0,1,2: 56:[22, 68] Operation: 52+16=68 Exploring Operation: 22-16=6, Resulting Numbers: [52, 6] Generated Node #0,1,3: 56:[52, 6] Operation: 22-16=6 Exploring Operation: 52-16=36, Resulting Numbers: [22, 36] Generated Node #0,1,4: 56:[22, 36] Operation: 52-16=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 56:[16, 30], Operations: ['52-36=16', '52-22=30'] Exploring Operation: 16*30=480, Resulting Numbers: [480] 480,56 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 16+30=46, Resulting Numbers: [46] 46,56 unequal: No Solution No 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: 56:[52, 6], Operations: ['52-36=16', '22-16=6'] Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,56 unequal: No Solution Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,56 unequal: No Solution No 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: 56:[52, 38], Operations: ['52-36=16', '22+16=38'] Exploring Operation: 52*38=1976, Resulting Numbers: [1976] 1976,56 unequal: No Solution Exploring Operation: 52-38=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 52+38=90, Resulting Numbers: [90] 90,56 unequal: No Solution No 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: 56:[22, 36], Operations: ['52-36=16', '52-16=36'] Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 22*36=792, Resulting Numbers: [792] 792,56 unequal: No Solution Exploring Operation: 22+36=58, Resulting Numbers: [58] 58,56 unequal: No Solution No 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: 56:[22, 68], Operations: ['52-36=16', '52+16=68'] Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 22*68=1496, Resulting Numbers: [1496] 1496,56 unequal: No Solution Exploring Operation: 22+68=90, Resulting Numbers: [90] 90,56 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: 56:[52, 36, 30], Operations: ['52-22=30'] Exploring Operation: 52-36=16, Resulting Numbers: [30, 16] Generated Node #0,4,0: 56:[30, 16] Operation: 52-36=16 Exploring Operation: 52+36=88, Resulting Numbers: [30, 88] Generated Node #0,4,1: 56:[30, 88] Operation: 52+36=88 Exploring Operation: 36-30=6, Resulting Numbers: [52, 6] Generated Node #0,4,2: 56:[52, 6] Operation: 36-30=6 Exploring Operation: 36+30=66, Resulting Numbers: [52, 66] Generated Node #0,4,3: 56:[52, 66] Operation: 36+30=66 Exploring Operation: 52-30=22, Resulting Numbers: [36, 22] Generated Node #0,4,4: 56:[36, 22] Operation: 52-30=22 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 56:[30, 16], Operations: ['52-22=30', '52-36=16'] Exploring Operation: 30*16=480, Resulting Numbers: [480] 480,56 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 30+16=46, Resulting Numbers: [46] 46,56 unequal: No Solution No 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: 56:[52, 6], Operations: ['52-22=30', '36-30=6'] Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,56 unequal: No Solution Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,56 unequal: No Solution No 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: 56:[52, 66], Operations: ['52-22=30', '36+30=66'] Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 52+66=118, Resulting Numbers: [118] 118,56 unequal: No Solution Exploring Operation: 52*66=3432, Resulting Numbers: [3432] 3432,56 unequal: No Solution No 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: 56:[36, 22], Operations: ['52-22=30', '52-30=22'] Exploring Operation: 36*22=792, Resulting Numbers: [792] 792,56 unequal: No Solution Exploring Operation: 36+22=58, Resulting Numbers: [58] 58,56 unequal: No Solution Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,56 unequal: No Solution No 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: 56:[30, 88], Operations: ['52-22=30', '52+36=88'] Exploring Operation: 30*88=2640, Resulting Numbers: [2640] 2640,56 unequal: No Solution Exploring Operation: 30+88=118, Resulting Numbers: [118] 118,56 unequal: No Solution Exploring Operation: 88-30=58, Resulting Numbers: [58] 58,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 56:[14, 1], Operations: ['36-22=14', '52/52=1'] Exploring Operation: 14+1=15, Resulting Numbers: [15] 15,56 unequal: No Solution Exploring Operation: 14*1=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 14/1=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 14-1=13, Resulting Numbers: [13] 13,56 unequal: No Solution Moving to Node #0,3,1 Current State: 56:[14, 0], Operations: ['36-22=14', '52-52=0'] Exploring Operation: 14-0=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 14*0=0, Resulting Numbers: [0] 0,56 unequal: No Solution Exploring Operation: 14+0=14, Resulting Numbers: [14] 14,56 unequal: No Solution Moving to Node #0,0,0 Current State: 56:[16, 30], Operations: ['52-36=16', '52-22=30'] Exploring Operation: 16*30=480, Resulting Numbers: [480] 480,56 unequal: No Solution Exploring Operation: 16+30=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,56 unequal: No Solution Moving to Node #0,0,2 Current State: 56:[52, 6], Operations: ['52-36=16', '22-16=6'] Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,56 unequal: No Solution Exploring Operation: 52*6=312, Resulting Numbers: [312] 312,56 unequal: No Solution Exploring Operation: 52+6=58, Resulting Numbers: [58] 58,56 unequal: No Solution Moving to Node #0,0,4 Current State: 56:[22, 36], Operations: ['52-36=16', '52-16=36'] Exploring Operation: 36-22=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 22*36=792, Resulting Numbers: [792] 792,56 unequal: No Solution Exploring Operation: 22+36=58, Resulting Numbers: [58] 58,56 unequal: No Solution Moving to Node #0,3,2 Current State: 56:[52, 38], Operations: ['36-22=14', '52-14=38'] Exploring Operation: 52+38=90, Resulting Numbers: [90] 90,56 unequal: No Solution Exploring Operation: 52*38=1976, Resulting Numbers: [1976] 1976,56 unequal: No Solution Exploring Operation: 52-38=14, Resulting Numbers: [14] 14,56 unequal: No Solution Moving to Node #0,0,1 Current State: 56:[52, 38], Operations: ['52-36=16', '22+16=38'] Exploring Operation: 52*38=1976, Resulting Numbers: [1976] 1976,56 unequal: No Solution Exploring Operation: 52+38=90, Resulting Numbers: [90] 90,56 unequal: No Solution Exploring Operation: 52-38=14, Resulting Numbers: [14] 14,56 unequal: No Solution Moving to Node #0,3,4 Current State: 56:[52, 66], Operations: ['36-22=14', '52+14=66'] Exploring Operation: 52+66=118, Resulting Numbers: [118] 118,56 unequal: No Solution Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 52*66=3432, Resulting Numbers: [3432] 3432,56 unequal: No Solution Moving to Node #0,3,3 Current State: 56:[52, 66], Operations: ['36-22=14', '52+14=66'] Exploring Operation: 52*66=3432, Resulting Numbers: [3432] 3432,56 unequal: No Solution Exploring Operation: 66-52=14, Resulting Numbers: [14] 14,56 unequal: No Solution Exploring Operation: 52+66=118, Resulting Numbers: [118] 118,56 unequal: No Solution Moving to Node #0,0,3 Current State: 56:[22, 68], Operations: ['52-36=16', '52+16=68'] Exploring Operation: 22*68=1496, Resulting Numbers: [1496] 1496,56 unequal: No Solution Exploring Operation: 22+68=90, Resulting Numbers: [90] 90,56 unequal: No Solution Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,56 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 88, 71, 4, 55 ]
100
[ "88+71=159", "4+55=59", "159-59=100" ]
Current State: 100:[88, 71, 4, 55], Operations: [] Exploring Operation: 88+71=159, Resulting Numbers: [4, 55, 159] Generated Node #2: [4, 55, 159] from Operation: 88+71=159 Current State: 100:[4, 55, 159], Operations: ['88+71=159'] Exploring Operation: 4+55=59, Resulting Numbers: [159, 59] Generated Node #3: [159, 59] from Operation: 4+55=59 Current State: 100:[159, 59], Operations: ['88+71=159', '4+55=59'] Exploring Operation: 159-59=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[88, 71, 4, 55], Operations: [] Exploring Operation: 88-71=17, Resulting Numbers: [4, 55, 17] Generated Node #0,0: 100:[4, 55, 17] Operation: 88-71=17 Exploring Operation: 71-55=16, Resulting Numbers: [88, 4, 16] Generated Node #0,1: 100:[88, 4, 16] Operation: 71-55=16 Exploring Operation: 88/4=22, Resulting Numbers: [71, 55, 22] Generated Node #0,2: 100:[71, 55, 22] Operation: 88/4=22 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[4, 55, 17], Operations: ['88-71=17'] Exploring Operation: 55-4=51, Resulting Numbers: [17, 51] Generated Node #0,0,0: 100:[17, 51] Operation: 55-4=51 Exploring Operation: 4+17=21, Resulting Numbers: [55, 21] Generated Node #0,0,1: 100:[55, 21] Operation: 4+17=21 Exploring Operation: 17-4=13, Resulting Numbers: [55, 13] Generated Node #0,0,2: 100:[55, 13] Operation: 17-4=13 Moving to Node #0,0,0 Current State: 100:[17, 51], Operations: ['88-71=17', '55-4=51'] Exploring Operation: 51/17=3, Resulting Numbers: [3] 3,100 unequal: No Solution Exploring Operation: 51-17=34, Resulting Numbers: [34] 34,100 unequal: No Solution Exploring Operation: 17+51=68, Resulting Numbers: [68] 68,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[55, 21], Operations: ['88-71=17', '4+17=21'] Exploring Operation: 55+21=76, Resulting Numbers: [76] 76,100 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,100 unequal: No Solution Exploring Operation: 55*21=1155, Resulting Numbers: [1155] 1155,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[55, 13], Operations: ['88-71=17', '17-4=13'] Exploring Operation: 55-13=42, Resulting Numbers: [42] 42,100 unequal: No Solution Exploring Operation: 55*13=715, Resulting Numbers: [715] 715,100 unequal: No Solution Exploring Operation: 55+13=68, Resulting Numbers: [68] 68,100 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[88, 4, 16], Operations: ['71-55=16'] Exploring Operation: 88/4=22, Resulting Numbers: [16, 22] Generated Node #0,1,0: 100:[16, 22] Operation: 88/4=22 Exploring Operation: 88+4=92, Resulting Numbers: [16, 92] Generated Node #0,1,1: 100:[16, 92] Operation: 88+4=92 Exploring Operation: 88+16=104, Resulting Numbers: [4, 104] Generated Node #0,1,2: 100:[4, 104] Operation: 88+16=104 Moving to Node #0,1,2 Current State: 100:[4, 104], Operations: ['71-55=16', '88+16=104'] Exploring Operation: 104/4=26, Resulting Numbers: [26] 26,100 unequal: No Solution Exploring Operation: 104-4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[88, 71, 4, 55], Operations: [] Exploring Operation: 71-55=16, Resulting Numbers: [88, 4, 16] Generated Node #0,1: 100:[88, 4, 16] Operation: 71-55=16 Moving to Node #0,1 Current State: 100:[88, 4, 16], Operations: ['71-55=16'] Exploring Operation: 88+16=104, Resulting Numbers: [4, 104] Generated Node #0,1,2: 100:[4, 104] Operation: 88+16=104 Moving to Node #0,1,2 Current State: 100:[4, 104], Operations: ['71-55=16', '88+16=104'] Exploring Operation: 104-4=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.979167
hs_3
mult_heuristic
[ 5, 50, 20, 99 ]
74
[ "50-5=45", "20+99=119", "119-45=74" ]
Current State: 74:[5, 50, 20, 99], Operations: [] Exploring Operation: 50-5=45, Resulting Numbers: [20, 99, 45] Generated Node #2: [20, 99, 45] from Operation: 50-5=45 Current State: 74:[20, 99, 45], Operations: ['50-5=45'] Exploring Operation: 20+99=119, Resulting Numbers: [45, 119] Generated Node #3: [45, 119] from Operation: 20+99=119 Current State: 74:[45, 119], Operations: ['50-5=45', '20+99=119'] Exploring Operation: 119-45=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[5, 50, 20, 99], Operations: [] Exploring Operation: 99-20=79, Resulting Numbers: [5, 50, 79] Generated Node #0,0: 74:[5, 50, 79] Operation: 99-20=79 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[5, 50, 79], Operations: ['99-20=79'] Exploring Operation: 79-50=29, Resulting Numbers: [5, 29] Generated Node #0,0,0: 74:[5, 29] Operation: 79-50=29 Moving to Node #0,0,0 Current State: 74:[5, 29], Operations: ['99-20=79', '79-50=29'] Exploring Operation: 5+29=34, Resulting Numbers: [34] 34,74 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
[ 74, 47, 83, 32 ]
24
[ "74-47=27", "83-32=51", "51-27=24" ]
Current State: 24:[74, 47, 83, 32], Operations: [] Exploring Operation: 74-47=27, Resulting Numbers: [83, 32, 27] Generated Node #2: [83, 32, 27] from Operation: 74-47=27 Current State: 24:[83, 32, 27], Operations: ['74-47=27'] Exploring Operation: 83-32=51, Resulting Numbers: [27, 51] Generated Node #3: [27, 51] from Operation: 83-32=51 Current State: 24:[27, 51], Operations: ['74-47=27', '83-32=51'] Exploring Operation: 51-27=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[74, 47, 83, 32], Operations: [] Exploring Operation: 74-32=42, Resulting Numbers: [47, 83, 42] Generated Node #0,0: 24:[47, 83, 42] Operation: 74-32=42 Exploring Operation: 83-47=36, Resulting Numbers: [74, 32, 36] Generated Node #0,1: 24:[74, 32, 36] Operation: 83-47=36 Exploring Operation: 83-74=9, Resulting Numbers: [47, 32, 9] Generated Node #0,2: 24:[47, 32, 9] Operation: 83-74=9 Exploring Operation: 74-47=27, Resulting Numbers: [83, 32, 27] Generated Node #0,3: 24:[83, 32, 27] Operation: 74-47=27 Start Sub Search at level 1: Moving to Node #0,2 Current State: 24:[47, 32, 9], Operations: ['83-74=9'] Exploring Operation: 32-9=23, Resulting Numbers: [47, 23] Generated Node #0,2,0: 24:[47, 23] Operation: 32-9=23 Exploring Operation: 47-9=38, Resulting Numbers: [32, 38] Generated Node #0,2,1: 24:[32, 38] Operation: 47-9=38 Exploring Operation: 47+9=56, Resulting Numbers: [32, 56] Generated Node #0,2,2: 24:[32, 56] Operation: 47+9=56 Exploring Operation: 47-32=15, Resulting Numbers: [9, 15] Generated Node #0,2,3: 24:[9, 15] Operation: 47-32=15 Moving to Node #0,2,3 Current State: 24:[9, 15], Operations: ['83-74=9', '47-32=15'] Exploring Operation: 9*15=135, Resulting Numbers: [135] 135,24 unequal: No Solution Exploring Operation: 15-9=6, Resulting Numbers: [6] 6,24 unequal: No Solution Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[74, 47, 83, 32], Operations: [] Exploring Operation: 83-74=9, Resulting Numbers: [47, 32, 9] Generated Node #0,2: 24:[47, 32, 9] Operation: 83-74=9 Moving to Node #0,2 Current State: 24:[47, 32, 9], Operations: ['83-74=9'] Exploring Operation: 47-32=15, Resulting Numbers: [9, 15] Generated Node #0,2,3: 24:[9, 15] Operation: 47-32=15 Moving to Node #0,2,3 Current State: 24:[9, 15], Operations: ['83-74=9', '47-32=15'] Exploring Operation: 9+15=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 33, 3, 46, 10 ]
92
[ "33+3=36", "46+10=56", "36+56=92" ]
Current State: 92:[33, 3, 46, 10], Operations: [] Exploring Operation: 33+3=36, Resulting Numbers: [46, 10, 36] Generated Node #2: [46, 10, 36] from Operation: 33+3=36 Current State: 92:[46, 10, 36], Operations: ['33+3=36'] Exploring Operation: 46+10=56, Resulting Numbers: [36, 56] Generated Node #3: [36, 56] from Operation: 46+10=56 Current State: 92:[36, 56], Operations: ['33+3=36', '46+10=56'] Exploring Operation: 36+56=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[33, 3, 46, 10], Operations: [] Exploring Operation: 33-3=30, Resulting Numbers: [46, 10, 30] Generated Node #0,0: 92:[46, 10, 30] Operation: 33-3=30 Exploring Operation: 33+10=43, Resulting Numbers: [3, 46, 43] Generated Node #0,1: 92:[3, 46, 43] Operation: 33+10=43 Exploring Operation: 33*3=99, Resulting Numbers: [46, 10, 99] Generated Node #0,2: 92:[46, 10, 99] Operation: 33*3=99 Exploring Operation: 33-10=23, Resulting Numbers: [3, 46, 23] Generated Node #0,3: 92:[3, 46, 23] Operation: 33-10=23 Start Sub Search at level 1: Moving to Node #0,3 Current State: 92:[3, 46, 23], Operations: ['33-10=23'] Exploring Operation: 46/23=2, Resulting Numbers: [3, 2] Generated Node #0,3,0: 92:[3, 2] Operation: 46/23=2 Exploring Operation: 46-3=43, Resulting Numbers: [23, 43] Generated Node #0,3,1: 92:[23, 43] Operation: 46-3=43 Exploring Operation: 3+46=49, Resulting Numbers: [23, 49] Generated Node #0,3,2: 92:[23, 49] Operation: 3+46=49 Exploring Operation: 46-23=23, Resulting Numbers: [3, 23] Generated Node #0,3,3: 92:[3, 23] Operation: 46-23=23 Moving to Node #0,3,0 Current State: 92:[3, 2], Operations: ['33-10=23', '46/23=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,92 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,92 unequal: No Solution Moving to Node #0,3,3 Current State: 92:[3, 23], Operations: ['33-10=23', '46-23=23'] Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,92 unequal: No Solution Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,92 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,92 unequal: No Solution Moving to Node #0,3,2 Current State: 92:[23, 49], Operations: ['33-10=23', '3+46=49'] Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,92 unequal: No Solution Exploring Operation: 23*49=1127, Resulting Numbers: [1127] 1127,92 unequal: No Solution Exploring Operation: 23+49=72, Resulting Numbers: [72] 72,92 unequal: No Solution Moving to Node #0,3,1 Current State: 92:[23, 43], Operations: ['33-10=23', '46-3=43'] Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,92 unequal: No Solution Exploring Operation: 23*43=989, Resulting Numbers: [989] 989,92 unequal: No Solution Exploring Operation: 23+43=66, Resulting Numbers: [66] 66,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 92:[3, 46, 43], Operations: ['33+10=43'] Exploring Operation: 46-43=3, Resulting Numbers: [3, 3] Generated Node #0,1,0: 92:[3, 3] Operation: 46-43=3 Exploring Operation: 3+46=49, Resulting Numbers: [43, 49] Generated Node #0,1,1: 92:[43, 49] Operation: 3+46=49 Exploring Operation: 46+43=89, Resulting Numbers: [3, 89] Generated Node #0,1,2: 92:[3, 89] Operation: 46+43=89 Exploring Operation: 3+43=46, Resulting Numbers: [46, 46] Generated Node #0,1,3: 92:[46, 46] Operation: 3+43=46 Moving to Node #0,1,3 Current State: 92:[46, 46], Operations: ['33+10=43', '3+43=46'] Exploring Operation: 46-46=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 46/46=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 46*46=2116, Resulting Numbers: [2116] 2116,92 unequal: No Solution Exploring Operation: 46+46=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[33, 3, 46, 10], Operations: [] Exploring Operation: 33+10=43, Resulting Numbers: [3, 46, 43] Generated Node #0,1: 92:[3, 46, 43] Operation: 33+10=43 Moving to Node #0,1 Current State: 92:[3, 46, 43], Operations: ['33+10=43'] Exploring Operation: 3+43=46, Resulting Numbers: [46, 46] Generated Node #0,1,3: 92:[46, 46] Operation: 3+43=46 Moving to Node #0,1,3 Current State: 92:[46, 46], Operations: ['33+10=43', '3+43=46'] Exploring Operation: 46+46=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 1
0.972222
hs_4
mult_heuristic
[ 40, 6, 29, 50 ]
84
[ "40+50=90", "6*29=174", "174-90=84" ]
Current State: 84:[40, 6, 29, 50], Operations: [] Exploring Operation: 40+50=90, Resulting Numbers: [6, 29, 90] Generated Node #2: [6, 29, 90] from Operation: 40+50=90 Current State: 84:[6, 29, 90], Operations: ['40+50=90'] Exploring Operation: 6*29=174, Resulting Numbers: [90, 174] Generated Node #3: [90, 174] from Operation: 6*29=174 Current State: 84:[90, 174], Operations: ['40+50=90', '6*29=174'] Exploring Operation: 174-90=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[40, 6, 29, 50], Operations: [] Exploring Operation: 50-29=21, Resulting Numbers: [40, 6, 21] Generated Node #0,0: 84:[40, 6, 21] Operation: 50-29=21 Moving to Node #0,0 Current State: 84:[40, 6, 21], Operations: ['50-29=21'] Exploring Operation: 40-21=19, Resulting Numbers: [6, 19] Generated Node #0,0,0: 84:[6, 19] Operation: 40-21=19 Moving to Node #0,0,0 Current State: 84:[6, 19], Operations: ['50-29=21', '40-21=19'] Exploring Operation: 19-6=13, Resulting Numbers: [13] 13,84 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 43, 30, 5, 51 ]
17
[ "43+30=73", "5+51=56", "73-56=17" ]
Current State: 17:[43, 30, 5, 51], Operations: [] Exploring Operation: 43+30=73, Resulting Numbers: [5, 51, 73] Generated Node #2: [5, 51, 73] from Operation: 43+30=73 Current State: 17:[5, 51, 73], Operations: ['43+30=73'] Exploring Operation: 5+51=56, Resulting Numbers: [73, 56] Generated Node #3: [73, 56] from Operation: 5+51=56 Current State: 17:[73, 56], Operations: ['43+30=73', '5+51=56'] Exploring Operation: 73-56=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[43, 30, 5, 51], Operations: [] Exploring Operation: 51-43=8, Resulting Numbers: [30, 5, 8] Generated Node #0,0: 17:[30, 5, 8] Operation: 51-43=8 Moving to Node #0,0 Current State: 17:[30, 5, 8], Operations: ['51-43=8'] Exploring Operation: 30-5=25, Resulting Numbers: [8, 25] Generated Node #0,0,0: 17:[8, 25] Operation: 30-5=25 Moving to Node #0,0,0 Current State: 17:[8, 25], Operations: ['51-43=8', '30-5=25'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[43, 30, 5, 51], Operations: [] Exploring Operation: 51-43=8, Resulting Numbers: [30, 5, 8] Generated Node #0,0: 17:[30, 5, 8] Operation: 51-43=8 Moving to Node #0,0 Current State: 17:[30, 5, 8], Operations: ['51-43=8'] Exploring Operation: 30-5=25, Resulting Numbers: [8, 25] Generated Node #0,0,0: 17:[8, 25] Operation: 30-5=25 Moving to Node #0,0,0 Current State: 17:[8, 25], Operations: ['51-43=8', '30-5=25'] Exploring Operation: 25-8=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 59, 74, 51, 91 ]
93
[ "59+74=133", "91-51=40", "133-40=93" ]
Current State: 93:[59, 74, 51, 91], Operations: [] Exploring Operation: 59+74=133, Resulting Numbers: [51, 91, 133] Generated Node #2: [51, 91, 133] from Operation: 59+74=133 Current State: 93:[51, 91, 133], Operations: ['59+74=133'] Exploring Operation: 91-51=40, Resulting Numbers: [133, 40] Generated Node #3: [133, 40] from Operation: 91-51=40 Current State: 93:[133, 40], Operations: ['59+74=133', '91-51=40'] Exploring Operation: 133-40=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[59, 74, 51, 91], Operations: [] Exploring Operation: 59-51=8, Resulting Numbers: [74, 91, 8] Generated Node #0,0: 93:[74, 91, 8] Operation: 59-51=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[74, 91, 8], Operations: ['59-51=8'] Exploring Operation: 74+8=82, Resulting Numbers: [91, 82] Generated Node #0,0,0: 93:[91, 82] Operation: 74+8=82 Moving to Node #0,0,0 Current State: 93:[91, 82], Operations: ['59-51=8', '74+8=82'] Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,93 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 94, 93, 24, 32 ]
36
[ "94-32=62", "93*24=2232", "2232/62=36" ]
Current State: 36:[94, 93, 24, 32], Operations: [] Exploring Operation: 94-32=62, Resulting Numbers: [93, 24, 62] Generated Node #2: [93, 24, 62] from Operation: 94-32=62 Current State: 36:[93, 24, 62], Operations: ['94-32=62'] Exploring Operation: 93*24=2232, Resulting Numbers: [62, 2232] Generated Node #3: [62, 2232] from Operation: 93*24=2232 Current State: 36:[62, 2232], Operations: ['94-32=62', '93*24=2232'] Exploring Operation: 2232/62=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[94, 93, 24, 32], Operations: [] Exploring Operation: 94-32=62, Resulting Numbers: [93, 24, 62] Generated Node #0,0: 36:[93, 24, 62] Operation: 94-32=62 Exploring Operation: 94-93=1, Resulting Numbers: [24, 32, 1] Generated Node #0,1: 36:[24, 32, 1] Operation: 94-93=1 Start Sub Search at level 1: Moving to Node #0,1 Current State: 36:[24, 32, 1], Operations: ['94-93=1'] Exploring Operation: 24-1=23, Resulting Numbers: [32, 23] Generated Node #0,1,0: 36:[32, 23] Operation: 24-1=23 Exploring Operation: 32-24=8, Resulting Numbers: [1, 8] Generated Node #0,1,1: 36:[1, 8] Operation: 32-24=8 Moving to Node #0,1,1 Current State: 36:[1, 8], Operations: ['94-93=1', '32-24=8'] Exploring Operation: 1+8=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[32, 23], Operations: ['94-93=1', '24-1=23'] Exploring Operation: 32-23=9, Resulting Numbers: [9] 9,36 unequal: No Solution Exploring Operation: 32+23=55, Resulting Numbers: [55] 55,36 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 #0,0 Current State: 36:[93, 24, 62], Operations: ['94-32=62'] Exploring Operation: 93-62=31, Resulting Numbers: [24, 31] Generated Node #0,0,0: 36:[24, 31] Operation: 93-62=31 Exploring Operation: 93-24=69, Resulting Numbers: [62, 69] Generated Node #0,0,1: 36:[62, 69] Operation: 93-24=69 Moving to Node #0,0,0 Current State: 36:[24, 31], Operations: ['94-32=62', '93-62=31'] Exploring Operation: 24+31=55, Resulting Numbers: [55] 55,36 unequal: No Solution Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,36 unequal: No Solution Moving to Node #0,0,1 Current State: 36:[62, 69], Operations: ['94-32=62', '93-24=69'] Exploring Operation: 69-62=7, Resulting Numbers: [7] 7,36 unequal: No Solution Exploring Operation: 62+69=131, Resulting Numbers: [131] 131,36 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 2, 25, 12, 77 ]
39
[ "2*25=50", "12+77=89", "89-50=39" ]
Current State: 39:[2, 25, 12, 77], Operations: [] Exploring Operation: 2*25=50, Resulting Numbers: [12, 77, 50] Generated Node #2: [12, 77, 50] from Operation: 2*25=50 Current State: 39:[12, 77, 50], Operations: ['2*25=50'] Exploring Operation: 12+77=89, Resulting Numbers: [50, 89] Generated Node #3: [50, 89] from Operation: 12+77=89 Current State: 39:[50, 89], Operations: ['2*25=50', '12+77=89'] Exploring Operation: 89-50=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[2, 25, 12, 77], Operations: [] Exploring Operation: 77-25=52, Resulting Numbers: [2, 12, 52] Generated Node #0,0: 39:[2, 12, 52] Operation: 77-25=52 Exploring Operation: 25-12=13, Resulting Numbers: [2, 77, 13] Generated Node #0,1: 39:[2, 77, 13] Operation: 25-12=13 Moving to Node #0,0 Current State: 39:[2, 12, 52], Operations: ['77-25=52'] Exploring Operation: 52-12=40, Resulting Numbers: [2, 40] Generated Node #0,0,0: 39:[2, 40] Operation: 52-12=40 Exploring Operation: 52-2=50, Resulting Numbers: [12, 50] Generated Node #0,0,1: 39:[12, 50] Operation: 52-2=50 Moving to Node #0,1 Current State: 39:[2, 77, 13], Operations: ['25-12=13'] Exploring Operation: 77-2=75, Resulting Numbers: [13, 75] Generated Node #0,1,0: 39:[13, 75] Operation: 77-2=75 Exploring Operation: 77-13=64, Resulting Numbers: [2, 64] Generated Node #0,1,1: 39:[2, 64] Operation: 77-13=64 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[2, 64], Operations: ['25-12=13', '77-13=64'] Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,39 unequal: No Solution Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 39:[13, 75], Operations: ['25-12=13', '77-2=75'] Exploring Operation: 75-13=62, Resulting Numbers: [62] 62,39 unequal: No Solution Exploring Operation: 13+75=88, Resulting Numbers: [88] 88,39 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: 39:[2, 40], Operations: ['77-25=52', '52-12=40'] Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,39 unequal: No Solution Exploring Operation: 2+40=42, Resulting Numbers: [42] 42,39 unequal: No Solution Moving to Node #0,0,1 Current State: 39:[12, 50], Operations: ['77-25=52', '52-2=50'] Exploring Operation: 12+50=62, Resulting Numbers: [62] 62,39 unequal: No Solution Exploring Operation: 50-12=38, Resulting Numbers: [38] 38,39 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 71, 85, 23, 5 ]
77
[ "71+23=94", "85/5=17", "94-17=77" ]
Current State: 77:[71, 85, 23, 5], Operations: [] Exploring Operation: 71+23=94, Resulting Numbers: [85, 5, 94] Generated Node #2: [85, 5, 94] from Operation: 71+23=94 Current State: 77:[85, 5, 94], Operations: ['71+23=94'] Exploring Operation: 85/5=17, Resulting Numbers: [94, 17] Generated Node #3: [94, 17] from Operation: 85/5=17 Current State: 77:[94, 17], Operations: ['71+23=94', '85/5=17'] Exploring Operation: 94-17=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[71, 85, 23, 5], Operations: [] Exploring Operation: 85-71=14, Resulting Numbers: [23, 5, 14] Generated Node #0,0: 77:[23, 5, 14] Operation: 85-71=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 77:[23, 5, 14], Operations: ['85-71=14'] Exploring Operation: 23-14=9, Resulting Numbers: [5, 9] Generated Node #0,0,0: 77:[5, 9] Operation: 23-14=9 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 77:[5, 9], Operations: ['85-71=14', '23-14=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,77 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 38, 9, 70, 99 ]
18
[ "38+9=47", "99-70=29", "47-29=18" ]
Current State: 18:[38, 9, 70, 99], Operations: [] Exploring Operation: 38+9=47, Resulting Numbers: [70, 99, 47] Generated Node #2: [70, 99, 47] from Operation: 38+9=47 Current State: 18:[70, 99, 47], Operations: ['38+9=47'] Exploring Operation: 99-70=29, Resulting Numbers: [47, 29] Generated Node #3: [47, 29] from Operation: 99-70=29 Current State: 18:[47, 29], Operations: ['38+9=47', '99-70=29'] Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[38, 9, 70, 99], Operations: [] Exploring Operation: 99-38=61, Resulting Numbers: [9, 70, 61] Generated Node #0,0: 18:[9, 70, 61] Operation: 99-38=61 Exploring Operation: 70-38=32, Resulting Numbers: [9, 99, 32] Generated Node #0,1: 18:[9, 99, 32] Operation: 70-38=32 Exploring Operation: 38-9=29, Resulting Numbers: [70, 99, 29] Generated Node #0,2: 18:[70, 99, 29] Operation: 38-9=29 Exploring Operation: 99/9=11, Resulting Numbers: [38, 70, 11] Generated Node #0,3: 18:[38, 70, 11] Operation: 99/9=11 Exploring Operation: 99-70=29, Resulting Numbers: [38, 9, 29] Generated Node #0,4: 18:[38, 9, 29] Operation: 99-70=29 Start Sub Search at level 1: Moving to Node #0,4 Current State: 18:[38, 9, 29], Operations: ['99-70=29'] Exploring Operation: 38-29=9, Resulting Numbers: [9, 9] Generated Node #0,4,0: 18:[9, 9] Operation: 38-29=9 Exploring Operation: 29-9=20, Resulting Numbers: [38, 20] Generated Node #0,4,1: 18:[38, 20] Operation: 29-9=20 Exploring Operation: 38-9=29, Resulting Numbers: [29, 29] Generated Node #0,4,2: 18:[29, 29] Operation: 38-9=29 Exploring Operation: 38+9=47, Resulting Numbers: [29, 47] Generated Node #0,4,3: 18:[29, 47] Operation: 38+9=47 Exploring Operation: 9+29=38, Resulting Numbers: [38, 38] Generated Node #0,4,4: 18:[38, 38] Operation: 9+29=38 Moving to Node #0,4,0 Current State: 18:[9, 9], Operations: ['99-70=29', '38-29=9'] Exploring Operation: 9*9=81, Resulting Numbers: [81] 81,18 unequal: No Solution Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[38, 9, 70, 99], Operations: [] Exploring Operation: 99-70=29, Resulting Numbers: [38, 9, 29] Generated Node #0,4: 18:[38, 9, 29] Operation: 99-70=29 Moving to Node #0,4 Current State: 18:[38, 9, 29], Operations: ['99-70=29'] Exploring Operation: 38-29=9, Resulting Numbers: [9, 9] Generated Node #0,4,0: 18:[9, 9] Operation: 38-29=9 Moving to Node #0,4,0 Current State: 18:[9, 9], Operations: ['99-70=29', '38-29=9'] Exploring Operation: 9+9=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 35, 21, 28, 30 ]
10
[ "35+28=63", "21*30=630", "630/63=10" ]
Current State: 10:[35, 21, 28, 30], Operations: [] Exploring Operation: 35+28=63, Resulting Numbers: [21, 30, 63] Generated Node #2: [21, 30, 63] from Operation: 35+28=63 Current State: 10:[21, 30, 63], Operations: ['35+28=63'] Exploring Operation: 21*30=630, Resulting Numbers: [63, 630] Generated Node #3: [63, 630] from Operation: 21*30=630 Current State: 10:[63, 630], Operations: ['35+28=63', '21*30=630'] Exploring Operation: 630/63=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[35, 21, 28, 30], Operations: [] Exploring Operation: 30-28=2, Resulting Numbers: [35, 21, 2] Generated Node #0,0: 10:[35, 21, 2] Operation: 30-28=2 Exploring Operation: 35-28=7, Resulting Numbers: [21, 30, 7] Generated Node #0,1: 10:[21, 30, 7] Operation: 35-28=7 Exploring Operation: 35-30=5, Resulting Numbers: [21, 28, 5] Generated Node #0,2: 10:[21, 28, 5] Operation: 35-30=5 Moving to Node #0,2 Current State: 10:[21, 28, 5], Operations: ['35-30=5'] Exploring Operation: 21-5=16, Resulting Numbers: [28, 16] Generated Node #0,2,0: 10:[28, 16] Operation: 21-5=16 Exploring Operation: 28-21=7, Resulting Numbers: [5, 7] Generated Node #0,2,1: 10:[5, 7] Operation: 28-21=7 Exploring Operation: 28-5=23, Resulting Numbers: [21, 23] Generated Node #0,2,2: 10:[21, 23] Operation: 28-5=23 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 10:[5, 7], Operations: ['35-30=5', '28-21=7'] Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,10 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,10 unequal: No Solution No 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: 10:[28, 16], Operations: ['35-30=5', '21-5=16'] Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,10 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,10 unequal: No Solution Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,10 unequal: No Solution No 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: 10:[21, 23], Operations: ['35-30=5', '28-5=23'] Exploring Operation: 21*23=483, Resulting Numbers: [483] 483,10 unequal: No Solution Exploring Operation: 23-21=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 21+23=44, Resulting Numbers: [44] 44,10 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: 10:[21, 30, 7], Operations: ['35-28=7'] Exploring Operation: 21-7=14, Resulting Numbers: [30, 14] Generated Node #0,1,0: 10:[30, 14] Operation: 21-7=14 Exploring Operation: 30-21=9, Resulting Numbers: [7, 9] Generated Node #0,1,1: 10:[7, 9] Operation: 30-21=9 Exploring Operation: 21/7=3, Resulting Numbers: [30, 3] Generated Node #0,1,2: 10:[30, 3] Operation: 21/7=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 10:[7, 9], Operations: ['35-28=7', '30-21=9'] Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,10 unequal: No Solution Exploring Operation: 7+9=16, Resulting Numbers: [16] 16,10 unequal: No Solution Exploring Operation: 7*9=63, Resulting Numbers: [63] 63,10 unequal: No Solution No 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: 10:[30, 3], Operations: ['35-28=7', '21/7=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,10 unequal: No Solution Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,10 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[35, 21, 28, 30], Operations: [] Exploring Operation: 35-28=7, Resulting Numbers: [21, 30, 7] Generated Node #0,1: 10:[21, 30, 7] Operation: 35-28=7 Moving to Node #0,1 Current State: 10:[21, 30, 7], Operations: ['35-28=7'] Exploring Operation: 21/7=3, Resulting Numbers: [30, 3] Generated Node #0,1,2: 10:[30, 3] Operation: 21/7=3 Moving to Node #0,1,2 Current State: 10:[30, 3], Operations: ['35-28=7', '21/7=3'] Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.975694
hs_3
sum_heuristic
[ 26, 34, 15, 27 ]
34
[ "34-26=8", "15+27=42", "42-8=34" ]
Current State: 34:[26, 34, 15, 27], Operations: [] Exploring Operation: 34-26=8, Resulting Numbers: [15, 27, 8] Generated Node #2: [15, 27, 8] from Operation: 34-26=8 Current State: 34:[15, 27, 8], Operations: ['34-26=8'] Exploring Operation: 15+27=42, Resulting Numbers: [8, 42] Generated Node #3: [8, 42] from Operation: 15+27=42 Current State: 34:[8, 42], Operations: ['34-26=8', '15+27=42'] Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[26, 34, 15, 27], Operations: [] Exploring Operation: 27-15=12, Resulting Numbers: [26, 34, 12] Generated Node #0,0: 34:[26, 34, 12] Operation: 27-15=12 Exploring Operation: 27-26=1, Resulting Numbers: [34, 15, 1] Generated Node #0,1: 34:[34, 15, 1] Operation: 27-26=1 Exploring Operation: 26-15=11, Resulting Numbers: [34, 27, 11] Generated Node #0,2: 34:[34, 27, 11] Operation: 26-15=11 Exploring Operation: 26+15=41, Resulting Numbers: [34, 27, 41] Generated Node #0,3: 34:[34, 27, 41] Operation: 26+15=41 Start Sub Search at level 1: Moving to Node #0,1 Current State: 34:[34, 15, 1], Operations: ['27-26=1'] Exploring Operation: 34*1=34, Resulting Numbers: [15, 34] Generated Node #0,1,0: 34:[15, 34] Operation: 34*1=34 Exploring Operation: 15+1=16, Resulting Numbers: [34, 16] Generated Node #0,1,1: 34:[34, 16] Operation: 15+1=16 Exploring Operation: 34/1=34, Resulting Numbers: [15, 34] Generated Node #0,1,2: 34:[15, 34] Operation: 34/1=34 Exploring Operation: 15*1=15, Resulting Numbers: [34, 15] Generated Node #0,1,3: 34:[34, 15] Operation: 15*1=15 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 34:[34, 16], Operations: ['27-26=1', '15+1=16'] Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,34 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,34 unequal: No Solution No 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: 34:[15, 34], Operations: ['27-26=1', '34*1=34'] Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,34 unequal: No Solution Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,34 unequal: No Solution No 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: 34:[15, 34], Operations: ['27-26=1', '34/1=34'] Exploring Operation: 15+34=49, Resulting Numbers: [49] 49,34 unequal: No Solution Exploring Operation: 15*34=510, Resulting Numbers: [510] 510,34 unequal: No Solution Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,34 unequal: No Solution No 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: 34:[34, 15], Operations: ['27-26=1', '15*1=15'] Exploring Operation: 34-15=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 34*15=510, Resulting Numbers: [510] 510,34 unequal: No Solution Exploring Operation: 34+15=49, Resulting Numbers: [49] 49,34 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: 34:[26, 34, 12], Operations: ['27-15=12'] Exploring Operation: 26+12=38, Resulting Numbers: [34, 38] Generated Node #0,0,0: 34:[34, 38] Operation: 26+12=38 Exploring Operation: 26-12=14, Resulting Numbers: [34, 14] Generated Node #0,0,1: 34:[34, 14] Operation: 26-12=14 Exploring Operation: 34-12=22, Resulting Numbers: [26, 22] Generated Node #0,0,2: 34:[26, 22] Operation: 34-12=22 Exploring Operation: 34-26=8, Resulting Numbers: [12, 8] Generated Node #0,0,3: 34:[12, 8] Operation: 34-26=8 Moving to Node #0,0,1 Current State: 34:[34, 14], Operations: ['27-15=12', '26-12=14'] Exploring Operation: 34+14=48, Resulting Numbers: [48] 48,34 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,34 unequal: No Solution Exploring Operation: 34*14=476, Resulting Numbers: [476] 476,34 unequal: No Solution Moving to Node #0,0,0 Current State: 34:[34, 38], Operations: ['27-15=12', '26+12=38'] Exploring Operation: 34*38=1292, Resulting Numbers: [1292] 1292,34 unequal: No Solution Exploring Operation: 34+38=72, Resulting Numbers: [72] 72,34 unequal: No Solution Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,34 unequal: No Solution Moving to Node #0,0,3 Current State: 34:[12, 8], Operations: ['27-15=12', '34-26=8'] Exploring Operation: 12*8=96, Resulting Numbers: [96] 96,34 unequal: No Solution Exploring Operation: 12+8=20, Resulting Numbers: [20] 20,34 unequal: No Solution Exploring Operation: 12-8=4, Resulting Numbers: [4] 4,34 unequal: No Solution Moving to Node #0,0,2 Current State: 34:[26, 22], Operations: ['27-15=12', '34-12=22'] Exploring Operation: 26-22=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 26*22=572, Resulting Numbers: [572] 572,34 unequal: No Solution Exploring Operation: 26+22=48, Resulting Numbers: [48] 48,34 unequal: No Solution No 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: 34:[34, 27, 11], Operations: ['26-15=11'] Exploring Operation: 27+11=38, Resulting Numbers: [34, 38] Generated Node #0,2,0: 34:[34, 38] Operation: 27+11=38 Exploring Operation: 27-11=16, Resulting Numbers: [34, 16] Generated Node #0,2,1: 34:[34, 16] Operation: 27-11=16 Exploring Operation: 34-27=7, Resulting Numbers: [11, 7] Generated Node #0,2,2: 34:[11, 7] Operation: 34-27=7 Exploring Operation: 34-11=23, Resulting Numbers: [27, 23] Generated Node #0,2,3: 34:[27, 23] Operation: 34-11=23 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 34:[34, 16], Operations: ['26-15=11', '27-11=16'] Exploring Operation: 34+16=50, Resulting Numbers: [50] 50,34 unequal: No Solution Exploring Operation: 34-16=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 34*16=544, Resulting Numbers: [544] 544,34 unequal: No Solution No 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: 34:[34, 38], Operations: ['26-15=11', '27+11=38'] Exploring Operation: 38-34=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 34*38=1292, Resulting Numbers: [1292] 1292,34 unequal: No Solution Exploring Operation: 34+38=72, Resulting Numbers: [72] 72,34 unequal: No Solution No 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: 34:[11, 7], Operations: ['26-15=11', '34-27=7'] Exploring Operation: 11-7=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 11+7=18, Resulting Numbers: [18] 18,34 unequal: No Solution Exploring Operation: 11*7=77, Resulting Numbers: [77] 77,34 unequal: No Solution No 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: 34:[27, 23], Operations: ['26-15=11', '34-11=23'] Exploring Operation: 27*23=621, Resulting Numbers: [621] 621,34 unequal: No Solution Exploring Operation: 27-23=4, Resulting Numbers: [4] 4,34 unequal: No Solution Exploring Operation: 27+23=50, Resulting Numbers: [50] 50,34 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: 34:[34, 27, 41], Operations: ['26+15=41'] Exploring Operation: 41-34=7, Resulting Numbers: [27, 7] Generated Node #0,3,0: 34:[27, 7] Operation: 41-34=7 Exploring Operation: 34-27=7, Resulting Numbers: [41, 7] Generated Node #0,3,1: 34:[41, 7] Operation: 34-27=7 Exploring Operation: 41-27=14, Resulting Numbers: [34, 14] Generated Node #0,3,2: 34:[34, 14] Operation: 41-27=14 Exploring Operation: 34+27=61, Resulting Numbers: [41, 61] Generated Node #0,3,3: 34:[41, 61] Operation: 34+27=61 Moving to Node #0,3,2 Current State: 34:[34, 14], Operations: ['26+15=41', '41-27=14'] Exploring Operation: 34+14=48, Resulting Numbers: [48] 48,34 unequal: No Solution Exploring Operation: 34*14=476, Resulting Numbers: [476] 476,34 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,34 unequal: No Solution Moving to Node #0,3,1 Current State: 34:[41, 7], Operations: ['26+15=41', '34-27=7'] Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Moving to Node #0 Current State: 34:[26, 34, 15, 27], Operations: [] Exploring Operation: 26+15=41, Resulting Numbers: [34, 27, 41] Generated Node #0,3: 34:[34, 27, 41] Operation: 26+15=41 Moving to Node #0,3 Current State: 34:[34, 27, 41], Operations: ['26+15=41'] Exploring Operation: 34-27=7, Resulting Numbers: [41, 7] Generated Node #0,3,1: 34:[41, 7] Operation: 34-27=7 Moving to Node #0,3,1 Current State: 34:[41, 7], Operations: ['26+15=41', '34-27=7'] Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,34 equal: Goal Reached Exit Sub Search at level 1
0.944444
hs_4
sum_heuristic
[ 41, 43, 6, 20 ]
13
[ "43-41=2", "6+20=26", "26/2=13" ]
Current State: 13:[41, 43, 6, 20], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [6, 20, 2] Generated Node #2: [6, 20, 2] from Operation: 43-41=2 Current State: 13:[6, 20, 2], Operations: ['43-41=2'] Exploring Operation: 6+20=26, Resulting Numbers: [2, 26] Generated Node #3: [2, 26] from Operation: 6+20=26 Current State: 13:[2, 26], Operations: ['43-41=2', '6+20=26'] Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[41, 43, 6, 20], Operations: [] Exploring Operation: 41-6=35, Resulting Numbers: [43, 20, 35] Generated Node #0,0: 13:[43, 20, 35] Operation: 41-6=35 Exploring Operation: 43-41=2, Resulting Numbers: [6, 20, 2] Generated Node #0,1: 13:[6, 20, 2] Operation: 43-41=2 Exploring Operation: 41-20=21, Resulting Numbers: [43, 6, 21] Generated Node #0,2: 13:[43, 6, 21] Operation: 41-20=21 Exploring Operation: 43-6=37, Resulting Numbers: [41, 20, 37] Generated Node #0,3: 13:[41, 20, 37] Operation: 43-6=37 Exploring Operation: 43-20=23, Resulting Numbers: [41, 6, 23] Generated Node #0,4: 13:[41, 6, 23] Operation: 43-20=23 Moving to Node #0,1 Current State: 13:[6, 20, 2], Operations: ['43-41=2'] Exploring Operation: 6*2=12, Resulting Numbers: [20, 12] Generated Node #0,1,0: 13:[20, 12] Operation: 6*2=12 Exploring Operation: 6+2=8, Resulting Numbers: [20, 8] Generated Node #0,1,1: 13:[20, 8] Operation: 6+2=8 Exploring Operation: 20-6=14, Resulting Numbers: [2, 14] Generated Node #0,1,2: 13:[2, 14] Operation: 20-6=14 Exploring Operation: 20-2=18, Resulting Numbers: [6, 18] Generated Node #0,1,3: 13:[6, 18] Operation: 20-2=18 Exploring Operation: 20/2=10, Resulting Numbers: [6, 10] Generated Node #0,1,4: 13:[6, 10] Operation: 20/2=10 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 13:[20, 12], Operations: ['43-41=2', '6*2=12'] Exploring Operation: 20*12=240, Resulting Numbers: [240] 240,13 unequal: No Solution Exploring Operation: 20+12=32, Resulting Numbers: [32] 32,13 unequal: No Solution Exploring Operation: 20-12=8, Resulting Numbers: [8] 8,13 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 #0,1,4 Current State: 13:[6, 10], Operations: ['43-41=2', '20/2=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 10-6=4, Resulting Numbers: [4] 4,13 unequal: No Solution Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 13:[20, 8], Operations: ['43-41=2', '6+2=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,13 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 13:[2, 14], Operations: ['43-41=2', '20-6=14'] Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 2*14=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 13:[6, 18], Operations: ['43-41=2', '20-2=18'] Exploring Operation: 6*18=108, Resulting Numbers: [108] 108,13 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 13:[41, 6, 23], Operations: ['43-20=23'] Exploring Operation: 23-6=17, Resulting Numbers: [41, 17] Generated Node #0,4,0: 13:[41, 17] Operation: 23-6=17 Exploring Operation: 41-23=18, Resulting Numbers: [6, 18] Generated Node #0,4,1: 13:[6, 18] Operation: 41-23=18 Exploring Operation: 41+6=47, Resulting Numbers: [23, 47] Generated Node #0,4,2: 13:[23, 47] Operation: 41+6=47 Exploring Operation: 6+23=29, Resulting Numbers: [41, 29] Generated Node #0,4,3: 13:[41, 29] Operation: 6+23=29 Exploring Operation: 41-6=35, Resulting Numbers: [23, 35] Generated Node #0,4,4: 13:[23, 35] Operation: 41-6=35 Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 13:[6, 18], Operations: ['43-20=23', '41-23=18'] Exploring Operation: 6+18=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 18/6=3, Resulting Numbers: [3] 3,13 unequal: No Solution Exploring Operation: 18-6=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 6*18=108, Resulting Numbers: [108] 108,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 13:[41, 17], Operations: ['43-20=23', '23-6=17'] 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 Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 13:[23, 35], Operations: ['43-20=23', '41-6=35'] Exploring Operation: 23*35=805, Resulting Numbers: [805] 805,13 unequal: No Solution Exploring Operation: 23+35=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 13:[23, 47], Operations: ['43-20=23', '41+6=47'] Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 23+47=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 23*47=1081, Resulting Numbers: [1081] 1081,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 13:[41, 29], Operations: ['43-20=23', '6+23=29'] Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 41+29=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 41*29=1189, Resulting Numbers: [1189] 1189,13 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: 13:[43, 6, 21], Operations: ['41-20=21'] Exploring Operation: 6+21=27, Resulting Numbers: [43, 27] Generated Node #0,2,0: 13:[43, 27] Operation: 6+21=27 Exploring Operation: 43+6=49, Resulting Numbers: [21, 49] Generated Node #0,2,1: 13:[21, 49] Operation: 43+6=49 Exploring Operation: 43-21=22, Resulting Numbers: [6, 22] Generated Node #0,2,2: 13:[6, 22] Operation: 43-21=22 Exploring Operation: 43-6=37, Resulting Numbers: [21, 37] Generated Node #0,2,3: 13:[21, 37] Operation: 43-6=37 Exploring Operation: 21-6=15, Resulting Numbers: [43, 15] Generated Node #0,2,4: 13:[43, 15] Operation: 21-6=15 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 13:[6, 22], Operations: ['41-20=21', '43-21=22'] Exploring Operation: 6*22=132, Resulting Numbers: [132] 132,13 unequal: No Solution Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 6+22=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 13:[21, 37], Operations: ['41-20=21', '43-6=37'] Exploring Operation: 21*37=777, Resulting Numbers: [777] 777,13 unequal: No Solution Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 21+37=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 #0,2,4 Current State: 13:[43, 15], Operations: ['41-20=21', '21-6=15'] Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 43*15=645, Resulting Numbers: [645] 645,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 13:[43, 27], Operations: ['41-20=21', '6+21=27'] Exploring Operation: 43-27=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 43*27=1161, Resulting Numbers: [1161] 1161,13 unequal: No Solution Exploring Operation: 43+27=70, Resulting Numbers: [70] 70,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 13:[21, 49], Operations: ['41-20=21', '43+6=49'] Exploring Operation: 21*49=1029, Resulting Numbers: [1029] 1029,13 unequal: No Solution Exploring Operation: 21+49=70, Resulting Numbers: [70] 70,13 unequal: No Solution Exploring Operation: 49-21=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 13:[43, 20, 35], Operations: ['41-6=35'] Exploring Operation: 43+20=63, Resulting Numbers: [35, 63] Generated Node #0,0,0: 13:[35, 63] Operation: 43+20=63 Exploring Operation: 43+35=78, Resulting Numbers: [20, 78] Generated Node #0,0,1: 13:[20, 78] Operation: 43+35=78 Exploring Operation: 35-20=15, Resulting Numbers: [43, 15] Generated Node #0,0,2: 13:[43, 15] Operation: 35-20=15 Exploring Operation: 43-20=23, Resulting Numbers: [35, 23] Generated Node #0,0,3: 13:[35, 23] Operation: 43-20=23 Exploring Operation: 43-35=8, Resulting Numbers: [20, 8] Generated Node #0,0,4: 13:[20, 8] Operation: 43-35=8 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 13:[20, 8], Operations: ['41-6=35', '43-35=8'] Exploring Operation: 20-8=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 20+8=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 20*8=160, Resulting Numbers: [160] 160,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[43, 15], Operations: ['41-6=35', '35-20=15'] Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,13 unequal: No Solution Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 43*15=645, Resulting Numbers: [645] 645,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 13:[35, 23], Operations: ['41-6=35', '43-20=23'] Exploring Operation: 35-23=12, Resulting Numbers: [12] 12,13 unequal: No Solution Exploring Operation: 35+23=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 35*23=805, Resulting Numbers: [805] 805,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[35, 63], Operations: ['41-6=35', '43+20=63'] Exploring Operation: 35*63=2205, Resulting Numbers: [2205] 2205,13 unequal: No Solution Exploring Operation: 35+63=98, Resulting Numbers: [98] 98,13 unequal: No Solution Exploring Operation: 63-35=28, Resulting Numbers: [28] 28,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 13:[20, 78], Operations: ['41-6=35', '43+35=78'] Exploring Operation: 20*78=1560, Resulting Numbers: [1560] 1560,13 unequal: No Solution Exploring Operation: 20+78=98, Resulting Numbers: [98] 98,13 unequal: No Solution Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,13 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: 13:[41, 20, 37], Operations: ['43-6=37'] Exploring Operation: 41+20=61, Resulting Numbers: [37, 61] Generated Node #0,3,0: 13:[37, 61] Operation: 41+20=61 Exploring Operation: 37-20=17, Resulting Numbers: [41, 17] Generated Node #0,3,1: 13:[41, 17] Operation: 37-20=17 Exploring Operation: 41-37=4, Resulting Numbers: [20, 4] Generated Node #0,3,2: 13:[20, 4] Operation: 41-37=4 Exploring Operation: 41-20=21, Resulting Numbers: [37, 21] Generated Node #0,3,3: 13:[37, 21] Operation: 41-20=21 Exploring Operation: 41+37=78, Resulting Numbers: [20, 78] Generated Node #0,3,4: 13:[20, 78] Operation: 41+37=78 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 13:[20, 4], Operations: ['43-6=37', '41-37=4'] Exploring Operation: 20*4=80, Resulting Numbers: [80] 80,13 unequal: No Solution Exploring Operation: 20-4=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 20/4=5, Resulting Numbers: [5] 5,13 unequal: No Solution Exploring Operation: 20+4=24, Resulting Numbers: [24] 24,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 13:[41, 17], Operations: ['43-6=37', '37-20=17'] 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 Exploring Operation: 41-17=24, Resulting Numbers: [24] 24,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 13:[37, 21], Operations: ['43-6=37', '41-20=21'] Exploring Operation: 37-21=16, Resulting Numbers: [16] 16,13 unequal: No Solution Exploring Operation: 37+21=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 37*21=777, Resulting Numbers: [777] 777,13 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 #0,3,0 Current State: 13:[37, 61], Operations: ['43-6=37', '41+20=61'] Exploring Operation: 37*61=2257, Resulting Numbers: [2257] 2257,13 unequal: No Solution Exploring Operation: 61-37=24, Resulting Numbers: [24] 24,13 unequal: No Solution Exploring Operation: 37+61=98, Resulting Numbers: [98] 98,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 13:[20, 78], Operations: ['43-6=37', '41+37=78'] Exploring Operation: 78-20=58, Resulting Numbers: [58] 58,13 unequal: No Solution Exploring Operation: 20*78=1560, Resulting Numbers: [1560] 1560,13 unequal: No Solution Exploring Operation: 20+78=98, Resulting Numbers: [98] 98,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 1, 35, 18, 96 ]
80
[ "35-1=34", "18+96=114", "114-34=80" ]
Current State: 80:[1, 35, 18, 96], Operations: [] Exploring Operation: 35-1=34, Resulting Numbers: [18, 96, 34] Generated Node #2: [18, 96, 34] from Operation: 35-1=34 Current State: 80:[18, 96, 34], Operations: ['35-1=34'] Exploring Operation: 18+96=114, Resulting Numbers: [34, 114] Generated Node #3: [34, 114] from Operation: 18+96=114 Current State: 80:[34, 114], Operations: ['35-1=34', '18+96=114'] Exploring Operation: 114-34=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[1, 35, 18, 96], Operations: [] Exploring Operation: 96-18=78, Resulting Numbers: [1, 35, 78] Generated Node #0,0: 80:[1, 35, 78] Operation: 96-18=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[1, 35, 78], Operations: ['96-18=78'] Exploring Operation: 78-35=43, Resulting Numbers: [1, 43] Generated Node #0,0,0: 80:[1, 43] Operation: 78-35=43 Moving to Node #0,0,0 Current State: 80:[1, 43], Operations: ['96-18=78', '78-35=43'] Exploring Operation: 43-1=42, Resulting Numbers: [42] 42,80 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
[ 7, 89, 26, 4 ]
97
[ "7*26=182", "89-4=85", "182-85=97" ]
Current State: 97:[7, 89, 26, 4], Operations: [] Exploring Operation: 7*26=182, Resulting Numbers: [89, 4, 182] Generated Node #2: [89, 4, 182] from Operation: 7*26=182 Current State: 97:[89, 4, 182], Operations: ['7*26=182'] Exploring Operation: 89-4=85, Resulting Numbers: [182, 85] Generated Node #3: [182, 85] from Operation: 89-4=85 Current State: 97:[182, 85], Operations: ['7*26=182', '89-4=85'] Exploring Operation: 182-85=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[7, 89, 26, 4], Operations: [] Exploring Operation: 7*4=28, Resulting Numbers: [89, 26, 28] Generated Node #0,0: 97:[89, 26, 28] Operation: 7*4=28 Exploring Operation: 7+89=96, Resulting Numbers: [26, 4, 96] Generated Node #0,1: 97:[26, 4, 96] Operation: 7+89=96 Exploring Operation: 7+26=33, Resulting Numbers: [89, 4, 33] Generated Node #0,2: 97:[89, 4, 33] Operation: 7+26=33 Exploring Operation: 26*4=104, Resulting Numbers: [7, 89, 104] Generated Node #0,3: 97:[7, 89, 104] Operation: 26*4=104 Moving to Node #0,3 Current State: 97:[7, 89, 104], Operations: ['26*4=104'] Exploring Operation: 7+89=96, Resulting Numbers: [104, 96] Generated Node #0,3,0: 97:[104, 96] Operation: 7+89=96 Exploring Operation: 7+104=111, Resulting Numbers: [89, 111] Generated Node #0,3,1: 97:[89, 111] Operation: 7+104=111 Exploring Operation: 104-7=97, Resulting Numbers: [89, 97] Generated Node #0,3,2: 97:[89, 97] Operation: 104-7=97 Exploring Operation: 89-7=82, Resulting Numbers: [104, 82] Generated Node #0,3,3: 97:[104, 82] Operation: 89-7=82 Moving to Node #0,0 Current State: 97:[89, 26, 28], Operations: ['7*4=28'] Exploring Operation: 89+28=117, Resulting Numbers: [26, 117] Generated Node #0,0,0: 97:[26, 117] Operation: 89+28=117 Exploring Operation: 89-26=63, Resulting Numbers: [28, 63] Generated Node #0,0,1: 97:[28, 63] Operation: 89-26=63 Exploring Operation: 89+26=115, Resulting Numbers: [28, 115] Generated Node #0,0,2: 97:[28, 115] Operation: 89+26=115 Exploring Operation: 26+28=54, Resulting Numbers: [89, 54] Generated Node #0,0,3: 97:[89, 54] Operation: 26+28=54 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 97:[89, 54], Operations: ['7*4=28', '26+28=54'] Exploring Operation: 89*54=4806, Resulting Numbers: [4806] 4806,97 unequal: No Solution Exploring Operation: 89+54=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 89-54=35, Resulting Numbers: [35] 35,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 97:[28, 115], Operations: ['7*4=28', '89+26=115'] Exploring Operation: 28+115=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 115-28=87, Resulting Numbers: [87] 87,97 unequal: No Solution Exploring Operation: 28*115=3220, Resulting Numbers: [3220] 3220,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 97:[26, 117], Operations: ['7*4=28', '89+28=117'] Exploring Operation: 26+117=143, Resulting Numbers: [143] 143,97 unequal: No Solution Exploring Operation: 26*117=3042, Resulting Numbers: [3042] 3042,97 unequal: No Solution Exploring Operation: 117-26=91, Resulting Numbers: [91] 91,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 97:[28, 63], Operations: ['7*4=28', '89-26=63'] Exploring Operation: 28*63=1764, Resulting Numbers: [1764] 1764,97 unequal: No Solution Exploring Operation: 28+63=91, Resulting Numbers: [91] 91,97 unequal: No Solution Exploring Operation: 63-28=35, Resulting Numbers: [35] 35,97 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: 97:[89, 4, 33], Operations: ['7+26=33'] Exploring Operation: 89-4=85, Resulting Numbers: [33, 85] Generated Node #0,2,0: 97:[33, 85] Operation: 89-4=85 Exploring Operation: 89+4=93, Resulting Numbers: [33, 93] Generated Node #0,2,1: 97:[33, 93] Operation: 89+4=93 Exploring Operation: 4*33=132, Resulting Numbers: [89, 132] Generated Node #0,2,2: 97:[89, 132] Operation: 4*33=132 Exploring Operation: 4+33=37, Resulting Numbers: [89, 37] Generated Node #0,2,3: 97:[89, 37] Operation: 4+33=37 Moving to Node #0,1 Current State: 97:[26, 4, 96], Operations: ['7+89=96'] Exploring Operation: 26-4=22, Resulting Numbers: [96, 22] Generated Node #0,1,0: 97:[96, 22] Operation: 26-4=22 Exploring Operation: 26+4=30, Resulting Numbers: [96, 30] Generated Node #0,1,1: 97:[96, 30] Operation: 26+4=30 Exploring Operation: 4+96=100, Resulting Numbers: [26, 100] Generated Node #0,1,2: 97:[26, 100] Operation: 4+96=100 Exploring Operation: 26*4=104, Resulting Numbers: [96, 104] Generated Node #0,1,3: 97:[96, 104] Operation: 26*4=104 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 97:[96, 104], Operations: ['7+89=96', '26*4=104'] Exploring Operation: 104-96=8, Resulting Numbers: [8] 8,97 unequal: No Solution Exploring Operation: 96*104=9984, Resulting Numbers: [9984] 9984,97 unequal: No Solution Exploring Operation: 96+104=200, Resulting Numbers: [200] 200,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[96, 30], Operations: ['7+89=96', '26+4=30'] Exploring Operation: 96*30=2880, Resulting Numbers: [2880] 2880,97 unequal: No Solution Exploring Operation: 96-30=66, Resulting Numbers: [66] 66,97 unequal: No Solution Exploring Operation: 96+30=126, Resulting Numbers: [126] 126,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 97:[26, 100], Operations: ['7+89=96', '4+96=100'] Exploring Operation: 100-26=74, Resulting Numbers: [74] 74,97 unequal: No Solution Exploring Operation: 26*100=2600, Resulting Numbers: [2600] 2600,97 unequal: No Solution Exploring Operation: 26+100=126, Resulting Numbers: [126] 126,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[96, 22], Operations: ['7+89=96', '26-4=22'] Exploring Operation: 96*22=2112, Resulting Numbers: [2112] 2112,97 unequal: No Solution Exploring Operation: 96-22=74, Resulting Numbers: [74] 74,97 unequal: No Solution Exploring Operation: 96+22=118, Resulting Numbers: [118] 118,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 97:[104, 96], Operations: ['26*4=104', '7+89=96'] Exploring Operation: 104-96=8, Resulting Numbers: [8] 8,97 unequal: No Solution Exploring Operation: 104+96=200, Resulting Numbers: [200] 200,97 unequal: No Solution Exploring Operation: 104*96=9984, Resulting Numbers: [9984] 9984,97 unequal: No Solution Moving to Node #0,3,2 Current State: 97:[89, 97], Operations: ['26*4=104', '104-7=97'] Exploring Operation: 89+97=186, Resulting Numbers: [186] 186,97 unequal: No Solution Exploring Operation: 89*97=8633, Resulting Numbers: [8633] 8633,97 unequal: No Solution Exploring Operation: 97-89=8, Resulting Numbers: [8] 8,97 unequal: No Solution Moving to Node #0,3,1 Current State: 97:[89, 111], Operations: ['26*4=104', '7+104=111'] Exploring Operation: 89*111=9879, Resulting Numbers: [9879] 9879,97 unequal: No Solution Exploring Operation: 111-89=22, Resulting Numbers: [22] 22,97 unequal: No Solution Exploring Operation: 89+111=200, Resulting Numbers: [200] 200,97 unequal: No Solution Moving to Node #0,3,3 Current State: 97:[104, 82], Operations: ['26*4=104', '89-7=82'] Exploring Operation: 104+82=186, Resulting Numbers: [186] 186,97 unequal: No Solution Exploring Operation: 104*82=8528, Resulting Numbers: [8528] 8528,97 unequal: No Solution Exploring Operation: 104-82=22, Resulting Numbers: [22] 22,97 unequal: No Solution Moving to Node #0,2,2 Current State: 97:[89, 132], Operations: ['7+26=33', '4*33=132'] Exploring Operation: 132-89=43, Resulting Numbers: [43] 43,97 unequal: No Solution Exploring Operation: 89+132=221, Resulting Numbers: [221] 221,97 unequal: No Solution Exploring Operation: 89*132=11748, Resulting Numbers: [11748] 11748,97 unequal: No Solution Moving to Node #0,2,1 Current State: 97:[33, 93], Operations: ['7+26=33', '89+4=93'] Exploring Operation: 33*93=3069, Resulting Numbers: [3069] 3069,97 unequal: No Solution Exploring Operation: 33+93=126, Resulting Numbers: [126] 126,97 unequal: No Solution Exploring Operation: 93-33=60, Resulting Numbers: [60] 60,97 unequal: No Solution Moving to Node #0,2,3 Current State: 97:[89, 37], Operations: ['7+26=33', '4+33=37'] Exploring Operation: 89*37=3293, Resulting Numbers: [3293] 3293,97 unequal: No Solution Exploring Operation: 89-37=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 89+37=126, Resulting Numbers: [126] 126,97 unequal: No Solution Moving to Node #0,2,0 Current State: 97:[33, 85], Operations: ['7+26=33', '89-4=85'] Exploring Operation: 85-33=52, Resulting Numbers: [52] 52,97 unequal: No Solution Exploring Operation: 33*85=2805, Resulting Numbers: [2805] 2805,97 unequal: No Solution Exploring Operation: 33+85=118, Resulting Numbers: [118] 118,97 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 27, 99, 5, 16 ]
44
[ "27-16=11", "5*11=55", "99-55=44" ]
Current State: 44:[27, 99, 5, 16], Operations: [] Exploring Operation: 27-16=11, Resulting Numbers: [99, 5, 11] Generated Node #2: [99, 5, 11] from Operation: 27-16=11 Current State: 44:[99, 5, 11], Operations: ['27-16=11'] Exploring Operation: 5*11=55, Resulting Numbers: [99, 55] Generated Node #3: [99, 55] from Operation: 5*11=55 Current State: 44:[99, 55], Operations: ['27-16=11', '5*11=55'] Exploring Operation: 99-55=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[27, 99, 5, 16], Operations: [] Exploring Operation: 99-27=72, Resulting Numbers: [5, 16, 72] Generated Node #0,0: 44:[5, 16, 72] Operation: 99-27=72 Moving to Node #0,0 Current State: 44:[5, 16, 72], Operations: ['99-27=72'] Exploring Operation: 72-16=56, Resulting Numbers: [5, 56] Generated Node #0,0,0: 44:[5, 56] Operation: 72-16=56 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[5, 56], Operations: ['99-27=72', '72-16=56'] Exploring Operation: 56-5=51, Resulting Numbers: [51] 51,44 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
[ 47, 68, 47, 30 ]
38
[ "47+68=115", "47+30=77", "115-77=38" ]
Current State: 38:[47, 68, 47, 30], Operations: [] Exploring Operation: 47+68=115, Resulting Numbers: [30, 115] Generated Node #2: [30, 115] from Operation: 47+68=115 Current State: 38:[30, 115], Operations: ['47+68=115'] Exploring Operation: 47+30=77, Resulting Numbers: [115, 77] Generated Node #3: [115, 77] from Operation: 47+30=77 Current State: 38:[115, 77], Operations: ['47+68=115', '47+30=77'] Exploring Operation: 115-77=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[47, 68, 47, 30], Operations: [] Exploring Operation: 68-47=21, Resulting Numbers: [47, 30, 21] Generated Node #0,0: 38:[47, 30, 21] Operation: 68-47=21 Exploring Operation: 68-47=21, Resulting Numbers: [47, 30, 21] Generated Node #0,1: 38:[47, 30, 21] Operation: 68-47=21 Exploring Operation: 47-47=0, Resulting Numbers: [68, 30, 0] Generated Node #0,2: 38:[68, 30, 0] Operation: 47-47=0 Exploring Operation: 68-30=38, Resulting Numbers: [47, 47, 38] Generated Node #0,3: 38:[47, 47, 38] Operation: 68-30=38 Exploring Operation: 47/47=1, Resulting Numbers: [68, 30, 1] Generated Node #0,4: 38:[68, 30, 1] Operation: 47/47=1 Moving to Node #0,3 Current State: 38:[47, 47, 38], Operations: ['68-30=38'] Exploring Operation: 47-47=0, Resulting Numbers: [38, 0] Generated Node #0,3,0: 38:[38, 0] Operation: 47-47=0 Exploring Operation: 47-38=9, Resulting Numbers: [47, 9] Generated Node #0,3,1: 38:[47, 9] Operation: 47-38=9 Exploring Operation: 47-38=9, Resulting Numbers: [47, 9] Generated Node #0,3,2: 38:[47, 9] Operation: 47-38=9 Exploring Operation: 47/47=1, Resulting Numbers: [38, 1] Generated Node #0,3,3: 38:[38, 1] Operation: 47/47=1 Exploring Operation: 47+47=94, Resulting Numbers: [38, 94] Generated Node #0,3,4: 38:[38, 94] Operation: 47+47=94 Moving to Node #0,1 Current State: 38:[47, 30, 21], Operations: ['68-47=21'] Exploring Operation: 47+21=68, Resulting Numbers: [30, 68] Generated Node #0,1,0: 38:[30, 68] Operation: 47+21=68 Exploring Operation: 47-30=17, Resulting Numbers: [21, 17] Generated Node #0,1,1: 38:[21, 17] Operation: 47-30=17 Exploring Operation: 30+21=51, Resulting Numbers: [47, 51] Generated Node #0,1,2: 38:[47, 51] Operation: 30+21=51 Exploring Operation: 47-21=26, Resulting Numbers: [30, 26] Generated Node #0,1,3: 38:[30, 26] Operation: 47-21=26 Exploring Operation: 30-21=9, Resulting Numbers: [47, 9] Generated Node #0,1,4: 38:[47, 9] Operation: 30-21=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 38:[21, 17], Operations: ['68-47=21', '47-30=17'] Exploring Operation: 21*17=357, Resulting Numbers: [357] 357,38 unequal: No Solution Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[47, 68, 47, 30], Operations: [] Exploring Operation: 68-47=21, Resulting Numbers: [47, 30, 21] Generated Node #0,1: 38:[47, 30, 21] Operation: 68-47=21 Moving to Node #0,1 Current State: 38:[47, 30, 21], Operations: ['68-47=21'] Exploring Operation: 47-30=17, Resulting Numbers: [21, 17] Generated Node #0,1,1: 38:[21, 17] Operation: 47-30=17 Moving to Node #0,1,1 Current State: 38:[21, 17], Operations: ['68-47=21', '47-30=17'] Exploring Operation: 21+17=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 86, 78, 76, 60 ]
73
[ "86+60=146", "78-76=2", "146/2=73" ]
Current State: 73:[86, 78, 76, 60], Operations: [] Exploring Operation: 86+60=146, Resulting Numbers: [78, 76, 146] Generated Node #2: [78, 76, 146] from Operation: 86+60=146 Current State: 73:[78, 76, 146], Operations: ['86+60=146'] Exploring Operation: 78-76=2, Resulting Numbers: [146, 2] Generated Node #3: [146, 2] from Operation: 78-76=2 Current State: 73:[146, 2], Operations: ['86+60=146', '78-76=2'] Exploring Operation: 146/2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[86, 78, 76, 60], Operations: [] Exploring Operation: 86-60=26, Resulting Numbers: [78, 76, 26] Generated Node #0,0: 73:[78, 76, 26] Operation: 86-60=26 Moving to Node #0,0 Current State: 73:[78, 76, 26], Operations: ['86-60=26'] Exploring Operation: 78-26=52, Resulting Numbers: [76, 52] Generated Node #0,0,0: 73:[76, 52] Operation: 78-26=52 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 73:[76, 52], Operations: ['86-60=26', '78-26=52'] Exploring Operation: 76-52=24, Resulting Numbers: [24] 24,73 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
[ 76, 25, 50, 20 ]
28
[ "76-20=56", "50/25=2", "56/2=28" ]
Current State: 28:[76, 25, 50, 20], Operations: [] Exploring Operation: 76-20=56, Resulting Numbers: [25, 50, 56] Generated Node #2: [25, 50, 56] from Operation: 76-20=56 Current State: 28:[25, 50, 56], Operations: ['76-20=56'] Exploring Operation: 50/25=2, Resulting Numbers: [56, 2] Generated Node #3: [56, 2] from Operation: 50/25=2 Current State: 28:[56, 2], Operations: ['76-20=56', '50/25=2'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[76, 25, 50, 20], Operations: [] Exploring Operation: 50/25=2, Resulting Numbers: [76, 20, 2] Generated Node #0,0: 28:[76, 20, 2] Operation: 50/25=2 Exploring Operation: 76-20=56, Resulting Numbers: [25, 50, 56] Generated Node #0,1: 28:[25, 50, 56] Operation: 76-20=56 Exploring Operation: 76-25=51, Resulting Numbers: [50, 20, 51] Generated Node #0,2: 28:[50, 20, 51] Operation: 76-25=51 Exploring Operation: 76-50=26, Resulting Numbers: [25, 20, 26] Generated Node #0,3: 28:[25, 20, 26] Operation: 76-50=26 Exploring Operation: 50-20=30, Resulting Numbers: [76, 25, 30] Generated Node #0,4: 28:[76, 25, 30] Operation: 50-20=30 Moving to Node #0,3 Current State: 28:[25, 20, 26], Operations: ['76-50=26'] Exploring Operation: 25+20=45, Resulting Numbers: [26, 45] Generated Node #0,3,0: 28:[26, 45] Operation: 25+20=45 Exploring Operation: 20+26=46, Resulting Numbers: [25, 46] Generated Node #0,3,1: 28:[25, 46] Operation: 20+26=46 Exploring Operation: 26-20=6, Resulting Numbers: [25, 6] Generated Node #0,3,2: 28:[25, 6] Operation: 26-20=6 Exploring Operation: 25-20=5, Resulting Numbers: [26, 5] Generated Node #0,3,3: 28:[26, 5] Operation: 25-20=5 Exploring Operation: 26-25=1, Resulting Numbers: [20, 1] Generated Node #0,3,4: 28:[20, 1] Operation: 26-25=1 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 28:[26, 5], Operations: ['76-50=26', '25-20=5'] Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,28 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 28:[25, 6], Operations: ['76-50=26', '26-20=6'] Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,28 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 28:[20, 1], Operations: ['76-50=26', '26-25=1'] Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,28 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,28 unequal: No Solution Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 28:[26, 45], Operations: ['76-50=26', '25+20=45'] Exploring Operation: 26*45=1170, Resulting Numbers: [1170] 1170,28 unequal: No Solution Exploring Operation: 45-26=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 26+45=71, Resulting Numbers: [71] 71,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 28:[25, 46], Operations: ['76-50=26', '20+26=46'] Exploring Operation: 25*46=1150, Resulting Numbers: [1150] 1150,28 unequal: No Solution Exploring Operation: 46-25=21, Resulting Numbers: [21] 21,28 unequal: No Solution Exploring Operation: 25+46=71, Resulting Numbers: [71] 71,28 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: 28:[50, 20, 51], Operations: ['76-25=51'] Exploring Operation: 51-50=1, Resulting Numbers: [20, 1] Generated Node #0,2,0: 28:[20, 1] Operation: 51-50=1 Exploring Operation: 51-20=31, Resulting Numbers: [50, 31] Generated Node #0,2,1: 28:[50, 31] Operation: 51-20=31 Exploring Operation: 50+20=70, Resulting Numbers: [51, 70] Generated Node #0,2,2: 28:[51, 70] Operation: 50+20=70 Exploring Operation: 20+51=71, Resulting Numbers: [50, 71] Generated Node #0,2,3: 28:[50, 71] Operation: 20+51=71 Exploring Operation: 50-20=30, Resulting Numbers: [51, 30] Generated Node #0,2,4: 28:[51, 30] Operation: 50-20=30 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 28:[20, 1], Operations: ['76-25=51', '51-50=1'] Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,28 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,28 unequal: No Solution Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 28:[50, 31], Operations: ['76-25=51', '51-20=31'] Exploring Operation: 50+31=81, Resulting Numbers: [81] 81,28 unequal: No Solution Exploring Operation: 50*31=1550, Resulting Numbers: [1550] 1550,28 unequal: No Solution Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 28:[51, 30], Operations: ['76-25=51', '50-20=30'] Exploring Operation: 51+30=81, Resulting Numbers: [81] 81,28 unequal: No Solution Exploring Operation: 51-30=21, Resulting Numbers: [21] 21,28 unequal: No Solution Exploring Operation: 51*30=1530, Resulting Numbers: [1530] 1530,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 28:[51, 70], Operations: ['76-25=51', '50+20=70'] Exploring Operation: 51*70=3570, Resulting Numbers: [3570] 3570,28 unequal: No Solution Exploring Operation: 70-51=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 51+70=121, Resulting Numbers: [121] 121,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 28:[50, 71], Operations: ['76-25=51', '20+51=71'] Exploring Operation: 50+71=121, Resulting Numbers: [121] 121,28 unequal: No Solution Exploring Operation: 50*71=3550, Resulting Numbers: [3550] 3550,28 unequal: No Solution Exploring Operation: 71-50=21, Resulting Numbers: [21] 21,28 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: 28:[25, 50, 56], Operations: ['76-20=56'] Exploring Operation: 50-25=25, Resulting Numbers: [56, 25] Generated Node #0,1,0: 28:[56, 25] Operation: 50-25=25 Exploring Operation: 50/25=2, Resulting Numbers: [56, 2] Generated Node #0,1,1: 28:[56, 2] Operation: 50/25=2 Exploring Operation: 56-25=31, Resulting Numbers: [50, 31] Generated Node #0,1,2: 28:[50, 31] Operation: 56-25=31 Exploring Operation: 25+50=75, Resulting Numbers: [56, 75] Generated Node #0,1,3: 28:[56, 75] Operation: 25+50=75 Exploring Operation: 56-50=6, Resulting Numbers: [25, 6] Generated Node #0,1,4: 28:[25, 6] Operation: 56-50=6 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 28:[25, 6], Operations: ['76-20=56', '56-50=6'] Exploring Operation: 25+6=31, Resulting Numbers: [31] 31,28 unequal: No Solution Exploring Operation: 25*6=150, Resulting Numbers: [150] 150,28 unequal: No Solution Exploring Operation: 25-6=19, Resulting Numbers: [19] 19,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 28:[50, 31], Operations: ['76-20=56', '56-25=31'] Exploring Operation: 50+31=81, Resulting Numbers: [81] 81,28 unequal: No Solution Exploring Operation: 50-31=19, Resulting Numbers: [19] 19,28 unequal: No Solution Exploring Operation: 50*31=1550, Resulting Numbers: [1550] 1550,28 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 28:[56, 2], Operations: ['76-20=56', '50/25=2'] Exploring Operation: 56*2=112, Resulting Numbers: [112] 112,28 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,28 unequal: No Solution Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,28 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[76, 25, 50, 20], Operations: [] Exploring Operation: 76-20=56, Resulting Numbers: [25, 50, 56] Generated Node #0,1: 28:[25, 50, 56] Operation: 76-20=56 Moving to Node #0,1 Current State: 28:[25, 50, 56], Operations: ['76-20=56'] Exploring Operation: 50/25=2, Resulting Numbers: [56, 2] Generated Node #0,1,1: 28:[56, 2] Operation: 50/25=2 Moving to Node #0,1,1 Current State: 28:[56, 2], Operations: ['76-20=56', '50/25=2'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.942708
hs_5
sum_heuristic
[ 87, 75, 9, 23 ]
99
[ "87-75=12", "23-12=11", "9*11=99" ]
Current State: 99:[87, 75, 9, 23], Operations: [] Exploring Operation: 87-75=12, Resulting Numbers: [9, 23, 12] Generated Node #2: [9, 23, 12] from Operation: 87-75=12 Current State: 99:[9, 23, 12], Operations: ['87-75=12'] Exploring Operation: 23-12=11, Resulting Numbers: [9, 11] Generated Node #3: [9, 11] from Operation: 23-12=11 Current State: 99:[9, 11], Operations: ['87-75=12', '23-12=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[87, 75, 9, 23], Operations: [] Exploring Operation: 87-75=12, Resulting Numbers: [9, 23, 12] Generated Node #0,0: 99:[9, 23, 12] Operation: 87-75=12 Exploring Operation: 75+23=98, Resulting Numbers: [87, 9, 98] Generated Node #0,1: 99:[87, 9, 98] Operation: 75+23=98 Exploring Operation: 75-23=52, Resulting Numbers: [87, 9, 52] Generated Node #0,2: 99:[87, 9, 52] Operation: 75-23=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[9, 23, 12], Operations: ['87-75=12'] Exploring Operation: 23-12=11, Resulting Numbers: [9, 11] Generated Node #0,0,0: 99:[9, 11] Operation: 23-12=11 Exploring Operation: 23+12=35, Resulting Numbers: [9, 35] Generated Node #0,0,1: 99:[9, 35] Operation: 23+12=35 Exploring Operation: 9+23=32, Resulting Numbers: [12, 32] Generated Node #0,0,2: 99:[12, 32] Operation: 9+23=32 Moving to Node #0,0,0 Current State: 99:[9, 11], Operations: ['87-75=12', '23-12=11'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,99 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[87, 75, 9, 23], Operations: [] Exploring Operation: 87-75=12, Resulting Numbers: [9, 23, 12] Generated Node #0,0: 99:[9, 23, 12] Operation: 87-75=12 Moving to Node #0,0 Current State: 99:[9, 23, 12], Operations: ['87-75=12'] Exploring Operation: 23-12=11, Resulting Numbers: [9, 11] Generated Node #0,0,0: 99:[9, 11] Operation: 23-12=11 Moving to Node #0,0,0 Current State: 99:[9, 11], Operations: ['87-75=12', '23-12=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 95, 27, 71, 4 ]
47
[ "95+27=122", "71+4=75", "122-75=47" ]
Current State: 47:[95, 27, 71, 4], Operations: [] Exploring Operation: 95+27=122, Resulting Numbers: [71, 4, 122] Generated Node #2: [71, 4, 122] from Operation: 95+27=122 Current State: 47:[71, 4, 122], Operations: ['95+27=122'] Exploring Operation: 71+4=75, Resulting Numbers: [122, 75] Generated Node #3: [122, 75] from Operation: 71+4=75 Current State: 47:[122, 75], Operations: ['95+27=122', '71+4=75'] Exploring Operation: 122-75=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[95, 27, 71, 4], Operations: [] Exploring Operation: 95-71=24, Resulting Numbers: [27, 4, 24] Generated Node #0,0: 47:[27, 4, 24] Operation: 95-71=24 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[27, 4, 24], Operations: ['95-71=24'] Exploring Operation: 27+4=31, Resulting Numbers: [24, 31] Generated Node #0,0,0: 47:[24, 31] Operation: 27+4=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[24, 31], Operations: ['95-71=24', '27+4=31'] Exploring Operation: 24+31=55, Resulting Numbers: [55] 55,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 52, 58, 57, 33 ]
18
[ "58-52=6", "57-33=24", "24-6=18" ]
Current State: 18:[52, 58, 57, 33], Operations: [] Exploring Operation: 58-52=6, Resulting Numbers: [57, 33, 6] Generated Node #2: [57, 33, 6] from Operation: 58-52=6 Current State: 18:[57, 33, 6], Operations: ['58-52=6'] Exploring Operation: 57-33=24, Resulting Numbers: [6, 24] Generated Node #3: [6, 24] from Operation: 57-33=24 Current State: 18:[6, 24], Operations: ['58-52=6', '57-33=24'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[52, 58, 57, 33], Operations: [] Exploring Operation: 58-52=6, Resulting Numbers: [57, 33, 6] Generated Node #0,0: 18:[57, 33, 6] Operation: 58-52=6 Exploring Operation: 58-57=1, Resulting Numbers: [52, 33, 1] Generated Node #0,1: 18:[52, 33, 1] Operation: 58-57=1 Moving to Node #0,1 Current State: 18:[52, 33, 1], Operations: ['58-57=1'] Exploring Operation: 52-33=19, Resulting Numbers: [1, 19] Generated Node #0,1,0: 18:[1, 19] Operation: 52-33=19 Exploring Operation: 52-1=51, Resulting Numbers: [33, 51] Generated Node #0,1,1: 18:[33, 51] Operation: 52-1=51 Moving to Node #0,0 Current State: 18:[57, 33, 6], Operations: ['58-52=6'] Exploring Operation: 57-6=51, Resulting Numbers: [33, 51] Generated Node #0,0,0: 18:[33, 51] Operation: 57-6=51 Exploring Operation: 57-33=24, Resulting Numbers: [6, 24] Generated Node #0,0,1: 18:[6, 24] Operation: 57-33=24 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 18:[6, 24], Operations: ['58-52=6', '57-33=24'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[52, 58, 57, 33], Operations: [] Exploring Operation: 58-52=6, Resulting Numbers: [57, 33, 6] Generated Node #0,0: 18:[57, 33, 6] Operation: 58-52=6 Moving to Node #0,0 Current State: 18:[57, 33, 6], Operations: ['58-52=6'] Exploring Operation: 57-33=24, Resulting Numbers: [6, 24] Generated Node #0,0,1: 18:[6, 24] Operation: 57-33=24 Moving to Node #0,0,1 Current State: 18:[6, 24], Operations: ['58-52=6', '57-33=24'] Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 88, 6, 96, 2 ]
92
[ "88+6=94", "2*94=188", "188-96=92" ]
Current State: 92:[88, 6, 96, 2], Operations: [] Exploring Operation: 88+6=94, Resulting Numbers: [96, 2, 94] Generated Node #2: [96, 2, 94] from Operation: 88+6=94 Current State: 92:[96, 2, 94], Operations: ['88+6=94'] Exploring Operation: 2*94=188, Resulting Numbers: [96, 188] Generated Node #3: [96, 188] from Operation: 2*94=188 Current State: 92:[96, 188], Operations: ['88+6=94', '2*94=188'] Exploring Operation: 188-96=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[88, 6, 96, 2], Operations: [] Exploring Operation: 96-88=8, Resulting Numbers: [6, 2, 8] Generated Node #0,0: 92:[6, 2, 8] Operation: 96-88=8 Exploring Operation: 88+6=94, Resulting Numbers: [96, 2, 94] Generated Node #0,1: 92:[96, 2, 94] Operation: 88+6=94 Exploring Operation: 96-6=90, Resulting Numbers: [88, 2, 90] Generated Node #0,2: 92:[88, 2, 90] Operation: 96-6=90 Exploring Operation: 88/2=44, Resulting Numbers: [6, 96, 44] Generated Node #0,3: 92:[6, 96, 44] Operation: 88/2=44 Exploring Operation: 88+2=90, Resulting Numbers: [6, 96, 90] Generated Node #0,4: 92:[6, 96, 90] Operation: 88+2=90 Moving to Node #0,0 Current State: 92:[6, 2, 8], Operations: ['96-88=8'] Exploring Operation: 6-2=4, Resulting Numbers: [8, 4] Generated Node #0,0,0: 92:[8, 4] Operation: 6-2=4 Exploring Operation: 8-2=6, Resulting Numbers: [6, 6] Generated Node #0,0,1: 92:[6, 6] Operation: 8-2=6 Exploring Operation: 6*8=48, Resulting Numbers: [2, 48] Generated Node #0,0,2: 92:[2, 48] Operation: 6*8=48 Exploring Operation: 8/2=4, Resulting Numbers: [6, 4] Generated Node #0,0,3: 92:[6, 4] Operation: 8/2=4 Exploring Operation: 8-6=2, Resulting Numbers: [2, 2] Generated Node #0,0,4: 92:[2, 2] Operation: 8-6=2 Moving to Node #0,2 Current State: 92:[88, 2, 90], Operations: ['96-6=90'] Exploring Operation: 90-88=2, Resulting Numbers: [2, 2] Generated Node #0,2,0: 92:[2, 2] Operation: 90-88=2 Exploring Operation: 88+2=90, Resulting Numbers: [90, 90] Generated Node #0,2,1: 92:[90, 90] Operation: 88+2=90 Exploring Operation: 2+90=92, Resulting Numbers: [88, 92] Generated Node #0,2,2: 92:[88, 92] Operation: 2+90=92 Exploring Operation: 88/2=44, Resulting Numbers: [90, 44] Generated Node #0,2,3: 92:[90, 44] Operation: 88/2=44 Exploring Operation: 90/2=45, Resulting Numbers: [88, 45] Generated Node #0,2,4: 92:[88, 45] Operation: 90/2=45 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 92:[2, 2], Operations: ['96-6=90', '90-88=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 92:[90, 90], Operations: ['96-6=90', '88+2=90'] Exploring Operation: 90*90=8100, Resulting Numbers: [8100] 8100,92 unequal: No Solution Exploring Operation: 90/90=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 90-90=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 90+90=180, Resulting Numbers: [180] 180,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 92:[88, 92], Operations: ['96-6=90', '2+90=92'] Exploring Operation: 88*92=8096, Resulting Numbers: [8096] 8096,92 unequal: No Solution Exploring Operation: 92-88=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 88+92=180, Resulting Numbers: [180] 180,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 92:[90, 44], Operations: ['96-6=90', '88/2=44'] Exploring Operation: 90+44=134, Resulting Numbers: [134] 134,92 unequal: No Solution Exploring Operation: 90-44=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 90*44=3960, Resulting Numbers: [3960] 3960,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 92:[88, 45], Operations: ['96-6=90', '90/2=45'] Exploring Operation: 88-45=43, Resulting Numbers: [43] 43,92 unequal: No Solution Exploring Operation: 88+45=133, Resulting Numbers: [133] 133,92 unequal: No Solution Exploring Operation: 88*45=3960, Resulting Numbers: [3960] 3960,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 92:[96, 2, 94], Operations: ['88+6=94'] Exploring Operation: 94/2=47, Resulting Numbers: [96, 47] Generated Node #0,1,0: 92:[96, 47] Operation: 94/2=47 Exploring Operation: 96/2=48, Resulting Numbers: [94, 48] Generated Node #0,1,1: 92:[94, 48] Operation: 96/2=48 Exploring Operation: 96-2=94, Resulting Numbers: [94, 94] Generated Node #0,1,2: 92:[94, 94] Operation: 96-2=94 Exploring Operation: 94-2=92, Resulting Numbers: [96, 92] Generated Node #0,1,3: 92:[96, 92] Operation: 94-2=92 Exploring Operation: 96-94=2, Resulting Numbers: [2, 2] Generated Node #0,1,4: 92:[2, 2] Operation: 96-94=2 Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 92:[2, 2], Operations: ['88+6=94', '96-94=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 92:[94, 48], Operations: ['88+6=94', '96/2=48'] Exploring Operation: 94-48=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 94*48=4512, Resulting Numbers: [4512] 4512,92 unequal: No Solution Exploring Operation: 94+48=142, Resulting Numbers: [142] 142,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 92:[94, 94], Operations: ['88+6=94', '96-2=94'] Exploring Operation: 94/94=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 94+94=188, Resulting Numbers: [188] 188,92 unequal: No Solution Exploring Operation: 94-94=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 94*94=8836, Resulting Numbers: [8836] 8836,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 92:[96, 92], Operations: ['88+6=94', '94-2=92'] Exploring Operation: 96-92=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 96+92=188, Resulting Numbers: [188] 188,92 unequal: No Solution Exploring Operation: 96*92=8832, Resulting Numbers: [8832] 8832,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 92:[96, 47], Operations: ['88+6=94', '94/2=47'] Exploring Operation: 96-47=49, Resulting Numbers: [49] 49,92 unequal: No Solution Exploring Operation: 96+47=143, Resulting Numbers: [143] 143,92 unequal: No Solution Exploring Operation: 96*47=4512, Resulting Numbers: [4512] 4512,92 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: 92:[6, 96, 44], Operations: ['88/2=44'] Exploring Operation: 96-44=52, Resulting Numbers: [6, 52] Generated Node #0,3,0: 92:[6, 52] Operation: 96-44=52 Exploring Operation: 96/6=16, Resulting Numbers: [44, 16] Generated Node #0,3,1: 92:[44, 16] Operation: 96/6=16 Exploring Operation: 6+96=102, Resulting Numbers: [44, 102] Generated Node #0,3,2: 92:[44, 102] Operation: 6+96=102 Exploring Operation: 96-6=90, Resulting Numbers: [44, 90] Generated Node #0,3,3: 92:[44, 90] Operation: 96-6=90 Exploring Operation: 6+44=50, Resulting Numbers: [96, 50] Generated Node #0,3,4: 92:[96, 50] Operation: 6+44=50 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 92:[44, 90], Operations: ['88/2=44', '96-6=90'] Exploring Operation: 44*90=3960, Resulting Numbers: [3960] 3960,92 unequal: No Solution Exploring Operation: 90-44=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 44+90=134, Resulting Numbers: [134] 134,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 92:[6, 52], Operations: ['88/2=44', '96-44=52'] Exploring Operation: 6*52=312, Resulting Numbers: [312] 312,92 unequal: No Solution Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 6+52=58, Resulting Numbers: [58] 58,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 92:[96, 50], Operations: ['88/2=44', '6+44=50'] Exploring Operation: 96*50=4800, Resulting Numbers: [4800] 4800,92 unequal: No Solution Exploring Operation: 96+50=146, Resulting Numbers: [146] 146,92 unequal: No Solution Exploring Operation: 96-50=46, Resulting Numbers: [46] 46,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 92:[44, 16], Operations: ['88/2=44', '96/6=16'] Exploring Operation: 44-16=28, Resulting Numbers: [28] 28,92 unequal: No Solution Exploring Operation: 44+16=60, Resulting Numbers: [60] 60,92 unequal: No Solution Exploring Operation: 44*16=704, Resulting Numbers: [704] 704,92 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 92:[44, 102], Operations: ['88/2=44', '6+96=102'] Exploring Operation: 102-44=58, Resulting Numbers: [58] 58,92 unequal: No Solution Exploring Operation: 44*102=4488, Resulting Numbers: [4488] 4488,92 unequal: No Solution Exploring Operation: 44+102=146, Resulting Numbers: [146] 146,92 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: 92:[6, 96, 90], Operations: ['88+2=90'] Exploring Operation: 96/6=16, Resulting Numbers: [90, 16] Generated Node #0,4,0: 92:[90, 16] Operation: 96/6=16 Exploring Operation: 6+90=96, Resulting Numbers: [96, 96] Generated Node #0,4,1: 92:[96, 96] Operation: 6+90=96 Exploring Operation: 96-6=90, Resulting Numbers: [90, 90] Generated Node #0,4,2: 92:[90, 90] Operation: 96-6=90 Exploring Operation: 96-90=6, Resulting Numbers: [6, 6] Generated Node #0,4,3: 92:[6, 6] Operation: 96-90=6 Exploring Operation: 6+96=102, Resulting Numbers: [90, 102] Generated Node #0,4,4: 92:[90, 102] Operation: 6+96=102 Moving to Node #0,0,4 Current State: 92:[2, 2], Operations: ['96-88=8', '8-6=2'] Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,92 unequal: No Solution Moving to Node #0,0,3 Current State: 92:[6, 4], Operations: ['96-88=8', '8/2=4'] Exploring Operation: 6+4=10, Resulting Numbers: [10] 10,92 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,92 unequal: No Solution Moving to Node #0,0,2 Current State: 92:[2, 48], Operations: ['96-88=8', '6*8=48'] Exploring Operation: 48/2=24, Resulting Numbers: [24] 24,92 unequal: No Solution Exploring Operation: 48-2=46, Resulting Numbers: [46] 46,92 unequal: No Solution Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,92 unequal: No Solution Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,92 unequal: No Solution Moving to Node #0,4,3 Current State: 92:[6, 6], Operations: ['88+2=90', '96-90=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,92 unequal: No Solution Moving to Node #0,4,2 Current State: 92:[90, 90], Operations: ['88+2=90', '96-6=90'] Exploring Operation: 90-90=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 90+90=180, Resulting Numbers: [180] 180,92 unequal: No Solution Exploring Operation: 90/90=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 90*90=8100, Resulting Numbers: [8100] 8100,92 unequal: No Solution Moving to Node #0,0,1 Current State: 92:[6, 6], Operations: ['96-88=8', '8-2=6'] Exploring Operation: 6/6=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 6+6=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 6-6=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 6*6=36, Resulting Numbers: [36] 36,92 unequal: No Solution Moving to Node #0,0,0 Current State: 92:[8, 4], Operations: ['96-88=8', '6-2=4'] Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,92 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,92 unequal: No Solution Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,92 unequal: No Solution Moving to Node #0,4,1 Current State: 92:[96, 96], Operations: ['88+2=90', '6+90=96'] Exploring Operation: 96-96=0, Resulting Numbers: [0] 0,92 unequal: No Solution Exploring Operation: 96*96=9216, Resulting Numbers: [9216] 9216,92 unequal: No Solution Exploring Operation: 96/96=1, Resulting Numbers: [1] 1,92 unequal: No Solution Exploring Operation: 96+96=192, Resulting Numbers: [192] 192,92 unequal: No Solution Moving to Node #0,4,0 Current State: 92:[90, 16], Operations: ['88+2=90', '96/6=16'] Exploring Operation: 90-16=74, Resulting Numbers: [74] 74,92 unequal: No Solution Exploring Operation: 90*16=1440, Resulting Numbers: [1440] 1440,92 unequal: No Solution Exploring Operation: 90+16=106, Resulting Numbers: [106] 106,92 unequal: No Solution Moving to Node #0,4,4 Current State: 92:[90, 102], Operations: ['88+2=90', '6+96=102'] Exploring Operation: 90+102=192, Resulting Numbers: [192] 192,92 unequal: No Solution Exploring Operation: 102-90=12, Resulting Numbers: [12] 12,92 unequal: No Solution Exploring Operation: 90*102=9180, Resulting Numbers: [9180] 9180,92 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 30, 21, 4, 54 ]
16
[ "30+54=84", "84/21=4", "4*4=16" ]
Current State: 16:[30, 21, 4, 54], Operations: [] Exploring Operation: 30+54=84, Resulting Numbers: [21, 4, 84] Generated Node #2: [21, 4, 84] from Operation: 30+54=84 Current State: 16:[21, 4, 84], Operations: ['30+54=84'] Exploring Operation: 84/21=4, Resulting Numbers: [4, 4] Generated Node #3: [4, 4] from Operation: 84/21=4 Current State: 16:[4, 4], Operations: ['30+54=84', '84/21=4'] Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[30, 21, 4, 54], Operations: [] Exploring Operation: 54-30=24, Resulting Numbers: [21, 4, 24] Generated Node #0,0: 16:[21, 4, 24] Operation: 54-30=24 Exploring Operation: 54-21=33, Resulting Numbers: [30, 4, 33] Generated Node #0,1: 16:[30, 4, 33] Operation: 54-21=33 Moving to Node #0,0 Current State: 16:[21, 4, 24], Operations: ['54-30=24'] Exploring Operation: 24/4=6, Resulting Numbers: [21, 6] Generated Node #0,0,0: 16:[21, 6] Operation: 24/4=6 Exploring Operation: 24-21=3, Resulting Numbers: [4, 3] Generated Node #0,0,1: 16:[4, 3] Operation: 24-21=3 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 16:[4, 3], Operations: ['54-30=24', '24-21=3'] Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[21, 6], Operations: ['54-30=24', '24/4=6'] Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,16 unequal: No Solution Exploring Operation: 21+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 Moving to Node #0,1 Current State: 16:[30, 4, 33], Operations: ['54-21=33'] Exploring Operation: 30-4=26, Resulting Numbers: [33, 26] Generated Node #0,1,0: 16:[33, 26] Operation: 30-4=26 Exploring Operation: 33-30=3, Resulting Numbers: [4, 3] Generated Node #0,1,1: 16:[4, 3] Operation: 33-30=3 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 16:[4, 3], Operations: ['54-21=33', '33-30=3'] Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,16 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 16:[33, 26], Operations: ['54-21=33', '30-4=26'] Exploring Operation: 33+26=59, Resulting Numbers: [59] 59,16 unequal: No Solution Exploring Operation: 33-26=7, Resulting Numbers: [7] 7,16 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
[ 4, 27, 49, 75 ]
94
[ "4*49=196", "27+75=102", "196-102=94" ]
Current State: 94:[4, 27, 49, 75], Operations: [] Exploring Operation: 4*49=196, Resulting Numbers: [27, 75, 196] Generated Node #2: [27, 75, 196] from Operation: 4*49=196 Current State: 94:[27, 75, 196], Operations: ['4*49=196'] Exploring Operation: 27+75=102, Resulting Numbers: [196, 102] Generated Node #3: [196, 102] from Operation: 27+75=102 Current State: 94:[196, 102], Operations: ['4*49=196', '27+75=102'] Exploring Operation: 196-102=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[4, 27, 49, 75], Operations: [] Exploring Operation: 75-27=48, Resulting Numbers: [4, 49, 48] Generated Node #0,0: 94:[4, 49, 48] Operation: 75-27=48 Exploring Operation: 4+27=31, Resulting Numbers: [49, 75, 31] Generated Node #0,1: 94:[49, 75, 31] Operation: 4+27=31 Exploring Operation: 4*27=108, Resulting Numbers: [49, 75, 108] Generated Node #0,2: 94:[49, 75, 108] Operation: 4*27=108 Exploring Operation: 4+75=79, Resulting Numbers: [27, 49, 79] Generated Node #0,3: 94:[27, 49, 79] Operation: 4+75=79 Exploring Operation: 27+75=102, Resulting Numbers: [4, 49, 102] Generated Node #0,4: 94:[4, 49, 102] Operation: 27+75=102 Moving to Node #0,0 Current State: 94:[4, 49, 48], Operations: ['75-27=48'] Exploring Operation: 48-4=44, Resulting Numbers: [49, 44] Generated Node #0,0,0: 94:[49, 44] Operation: 48-4=44 Exploring Operation: 49-48=1, Resulting Numbers: [4, 1] Generated Node #0,0,1: 94:[4, 1] Operation: 49-48=1 Exploring Operation: 4+49=53, Resulting Numbers: [48, 53] Generated Node #0,0,2: 94:[48, 53] Operation: 4+49=53 Exploring Operation: 49-4=45, Resulting Numbers: [48, 45] Generated Node #0,0,3: 94:[48, 45] Operation: 49-4=45 Exploring Operation: 49+48=97, Resulting Numbers: [4, 97] Generated Node #0,0,4: 94:[4, 97] Operation: 49+48=97 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 94:[4, 1], Operations: ['75-27=48', '49-48=1'] Exploring Operation: 4+1=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,94 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,94 unequal: No Solution Exploring Operation: 4*1=4, Resulting Numbers: [4] 4,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 94:[48, 45], Operations: ['75-27=48', '49-4=45'] Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,94 unequal: No Solution Exploring Operation: 48+45=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 48*45=2160, Resulting Numbers: [2160] 2160,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 94:[49, 44], Operations: ['75-27=48', '48-4=44'] Exploring Operation: 49+44=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 49-44=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 49*44=2156, Resulting Numbers: [2156] 2156,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 94:[4, 97], Operations: ['75-27=48', '49+48=97'] Exploring Operation: 4+97=101, Resulting Numbers: [101] 101,94 unequal: No Solution Exploring Operation: 4*97=388, Resulting Numbers: [388] 388,94 unequal: No Solution Exploring Operation: 97-4=93, Resulting Numbers: [93] 93,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 94:[48, 53], Operations: ['75-27=48', '4+49=53'] Exploring Operation: 48*53=2544, Resulting Numbers: [2544] 2544,94 unequal: No Solution Exploring Operation: 53-48=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 48+53=101, Resulting Numbers: [101] 101,94 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: 94:[4, 49, 102], Operations: ['27+75=102'] Exploring Operation: 102-4=98, Resulting Numbers: [49, 98] Generated Node #0,4,0: 94:[49, 98] Operation: 102-4=98 Exploring Operation: 4+49=53, Resulting Numbers: [102, 53] Generated Node #0,4,1: 94:[102, 53] Operation: 4+49=53 Exploring Operation: 102-49=53, Resulting Numbers: [4, 53] Generated Node #0,4,2: 94:[4, 53] Operation: 102-49=53 Exploring Operation: 49-4=45, Resulting Numbers: [102, 45] Generated Node #0,4,3: 94:[102, 45] Operation: 49-4=45 Exploring Operation: 4+102=106, Resulting Numbers: [49, 106] Generated Node #0,4,4: 94:[49, 106] Operation: 4+102=106 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 94:[49, 98], Operations: ['27+75=102', '102-4=98'] Exploring Operation: 98-49=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 49+98=147, Resulting Numbers: [147] 147,94 unequal: No Solution Exploring Operation: 98/49=2, Resulting Numbers: [2] 2,94 unequal: No Solution Exploring Operation: 49*98=4802, Resulting Numbers: [4802] 4802,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 94:[4, 53], Operations: ['27+75=102', '102-49=53'] Exploring Operation: 4*53=212, Resulting Numbers: [212] 212,94 unequal: No Solution Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 94:[102, 45], Operations: ['27+75=102', '49-4=45'] Exploring Operation: 102+45=147, Resulting Numbers: [147] 147,94 unequal: No Solution Exploring Operation: 102*45=4590, Resulting Numbers: [4590] 4590,94 unequal: No Solution Exploring Operation: 102-45=57, Resulting Numbers: [57] 57,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 94:[102, 53], Operations: ['27+75=102', '4+49=53'] Exploring Operation: 102+53=155, Resulting Numbers: [155] 155,94 unequal: No Solution Exploring Operation: 102-53=49, Resulting Numbers: [49] 49,94 unequal: No Solution Exploring Operation: 102*53=5406, Resulting Numbers: [5406] 5406,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 94:[49, 106], Operations: ['27+75=102', '4+102=106'] Exploring Operation: 49+106=155, Resulting Numbers: [155] 155,94 unequal: No Solution Exploring Operation: 106-49=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 49*106=5194, Resulting Numbers: [5194] 5194,94 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: 94:[49, 75, 108], Operations: ['4*27=108'] Exploring Operation: 49+108=157, Resulting Numbers: [75, 157] Generated Node #0,2,0: 94:[75, 157] Operation: 49+108=157 Exploring Operation: 108-75=33, Resulting Numbers: [49, 33] Generated Node #0,2,1: 94:[49, 33] Operation: 108-75=33 Exploring Operation: 49+75=124, Resulting Numbers: [108, 124] Generated Node #0,2,2: 94:[108, 124] Operation: 49+75=124 Exploring Operation: 75-49=26, Resulting Numbers: [108, 26] Generated Node #0,2,3: 94:[108, 26] Operation: 75-49=26 Exploring Operation: 108-49=59, Resulting Numbers: [75, 59] Generated Node #0,2,4: 94:[75, 59] Operation: 108-49=59 Moving to Node #0,1 Current State: 94:[49, 75, 31], Operations: ['4+27=31'] Exploring Operation: 75-49=26, Resulting Numbers: [31, 26] Generated Node #0,1,0: 94:[31, 26] Operation: 75-49=26 Exploring Operation: 49+31=80, Resulting Numbers: [75, 80] Generated Node #0,1,1: 94:[75, 80] Operation: 49+31=80 Exploring Operation: 75+31=106, Resulting Numbers: [49, 106] Generated Node #0,1,2: 94:[49, 106] Operation: 75+31=106 Exploring Operation: 75-31=44, Resulting Numbers: [49, 44] Generated Node #0,1,3: 94:[49, 44] Operation: 75-31=44 Exploring Operation: 49-31=18, Resulting Numbers: [75, 18] Generated Node #0,1,4: 94:[75, 18] Operation: 49-31=18 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 94:[49, 44], Operations: ['4+27=31', '75-31=44'] Exploring Operation: 49*44=2156, Resulting Numbers: [2156] 2156,94 unequal: No Solution Exploring Operation: 49-44=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 49+44=93, Resulting Numbers: [93] 93,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 94:[49, 106], Operations: ['4+27=31', '75+31=106'] Exploring Operation: 49+106=155, Resulting Numbers: [155] 155,94 unequal: No Solution Exploring Operation: 49*106=5194, Resulting Numbers: [5194] 5194,94 unequal: No Solution Exploring Operation: 106-49=57, Resulting Numbers: [57] 57,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 94:[75, 80], Operations: ['4+27=31', '49+31=80'] Exploring Operation: 80-75=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 75+80=155, Resulting Numbers: [155] 155,94 unequal: No Solution Exploring Operation: 75*80=6000, Resulting Numbers: [6000] 6000,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 94:[75, 18], Operations: ['4+27=31', '49-31=18'] Exploring Operation: 75+18=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 75*18=1350, Resulting Numbers: [1350] 1350,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 94:[31, 26], Operations: ['4+27=31', '75-49=26'] Exploring Operation: 31+26=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 31-26=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 31*26=806, Resulting Numbers: [806] 806,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 94:[27, 49, 79], Operations: ['4+75=79'] Exploring Operation: 79-49=30, Resulting Numbers: [27, 30] Generated Node #0,3,0: 94:[27, 30] Operation: 79-49=30 Exploring Operation: 79-27=52, Resulting Numbers: [49, 52] Generated Node #0,3,1: 94:[49, 52] Operation: 79-27=52 Exploring Operation: 27+79=106, Resulting Numbers: [49, 106] Generated Node #0,3,2: 94:[49, 106] Operation: 27+79=106 Exploring Operation: 49-27=22, Resulting Numbers: [79, 22] Generated Node #0,3,3: 94:[79, 22] Operation: 49-27=22 Exploring Operation: 27+49=76, Resulting Numbers: [79, 76] Generated Node #0,3,4: 94:[79, 76] Operation: 27+49=76 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 94:[49, 52], Operations: ['4+75=79', '79-27=52'] Exploring Operation: 49+52=101, Resulting Numbers: [101] 101,94 unequal: No Solution Exploring Operation: 49*52=2548, Resulting Numbers: [2548] 2548,94 unequal: No Solution Exploring Operation: 52-49=3, Resulting Numbers: [3] 3,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 94:[49, 106], Operations: ['4+75=79', '27+79=106'] Exploring Operation: 49*106=5194, Resulting Numbers: [5194] 5194,94 unequal: No Solution Exploring Operation: 106-49=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 49+106=155, Resulting Numbers: [155] 155,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 94:[79, 76], Operations: ['4+75=79', '27+49=76'] Exploring Operation: 79-76=3, Resulting Numbers: [3] 3,94 unequal: No Solution Exploring Operation: 79+76=155, Resulting Numbers: [155] 155,94 unequal: No Solution Exploring Operation: 79*76=6004, Resulting Numbers: [6004] 6004,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 94:[79, 22], Operations: ['4+75=79', '49-27=22'] Exploring Operation: 79-22=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 79*22=1738, Resulting Numbers: [1738] 1738,94 unequal: No Solution Exploring Operation: 79+22=101, Resulting Numbers: [101] 101,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 94:[27, 30], Operations: ['4+75=79', '79-49=30'] Exploring Operation: 27+30=57, Resulting Numbers: [57] 57,94 unequal: No Solution Exploring Operation: 27*30=810, Resulting Numbers: [810] 810,94 unequal: No Solution Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,94 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: 94:[49, 33], Operations: ['4*27=108', '108-75=33'] Exploring Operation: 49+33=82, Resulting Numbers: [82] 82,94 unequal: No Solution Exploring Operation: 49*33=1617, Resulting Numbers: [1617] 1617,94 unequal: No Solution Exploring Operation: 49-33=16, Resulting Numbers: [16] 16,94 unequal: No Solution Moving to Node #0,2,4 Current State: 94:[75, 59], Operations: ['4*27=108', '108-49=59'] Exploring Operation: 75+59=134, Resulting Numbers: [134] 134,94 unequal: No Solution Exploring Operation: 75-59=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 75*59=4425, Resulting Numbers: [4425] 4425,94 unequal: No Solution Moving to Node #0,2,3 Current State: 94:[108, 26], Operations: ['4*27=108', '75-49=26'] Exploring Operation: 108*26=2808, Resulting Numbers: [2808] 2808,94 unequal: No Solution Exploring Operation: 108-26=82, Resulting Numbers: [82] 82,94 unequal: No Solution Exploring Operation: 108+26=134, Resulting Numbers: [134] 134,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[108, 124], Operations: ['4*27=108', '49+75=124'] Exploring Operation: 108+124=232, Resulting Numbers: [232] 232,94 unequal: No Solution Exploring Operation: 124-108=16, Resulting Numbers: [16] 16,94 unequal: No Solution Exploring Operation: 108*124=13392, Resulting Numbers: [13392] 13392,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[75, 157], Operations: ['4*27=108', '49+108=157'] Exploring Operation: 75*157=11775, Resulting Numbers: [11775] 11775,94 unequal: No Solution Exploring Operation: 75+157=232, Resulting Numbers: [232] 232,94 unequal: No Solution Exploring Operation: 157-75=82, Resulting Numbers: [82] 82,94 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 94, 89, 39, 28 ]
16
[ "94-89=5", "39-28=11", "5+11=16" ]
Current State: 16:[94, 89, 39, 28], Operations: [] Exploring Operation: 94-89=5, Resulting Numbers: [39, 28, 5] Generated Node #2: [39, 28, 5] from Operation: 94-89=5 Current State: 16:[39, 28, 5], Operations: ['94-89=5'] Exploring Operation: 39-28=11, Resulting Numbers: [5, 11] Generated Node #3: [5, 11] from Operation: 39-28=11 Current State: 16:[5, 11], Operations: ['94-89=5', '39-28=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[94, 89, 39, 28], Operations: [] Exploring Operation: 94-39=55, Resulting Numbers: [89, 28, 55] Generated Node #0,0: 16:[89, 28, 55] Operation: 94-39=55 Exploring Operation: 89-39=50, Resulting Numbers: [94, 28, 50] Generated Node #0,1: 16:[94, 28, 50] Operation: 89-39=50 Exploring Operation: 94-28=66, Resulting Numbers: [89, 39, 66] Generated Node #0,2: 16:[89, 39, 66] Operation: 94-28=66 Exploring Operation: 94-89=5, Resulting Numbers: [39, 28, 5] Generated Node #0,3: 16:[39, 28, 5] Operation: 94-89=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 16:[39, 28, 5], Operations: ['94-89=5'] Exploring Operation: 39+5=44, Resulting Numbers: [28, 44] Generated Node #0,3,0: 16:[28, 44] Operation: 39+5=44 Exploring Operation: 28-5=23, Resulting Numbers: [39, 23] Generated Node #0,3,1: 16:[39, 23] Operation: 28-5=23 Exploring Operation: 39-28=11, Resulting Numbers: [5, 11] Generated Node #0,3,2: 16:[5, 11] Operation: 39-28=11 Exploring Operation: 39-5=34, Resulting Numbers: [28, 34] Generated Node #0,3,3: 16:[28, 34] Operation: 39-5=34 Moving to Node #0,3,2 Current State: 16:[5, 11], Operations: ['94-89=5', '39-28=11'] Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,16 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,16 unequal: No Solution Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[94, 89, 39, 28], Operations: [] Exploring Operation: 94-89=5, Resulting Numbers: [39, 28, 5] Generated Node #0,3: 16:[39, 28, 5] Operation: 94-89=5 Moving to Node #0,3 Current State: 16:[39, 28, 5], Operations: ['94-89=5'] Exploring Operation: 39-28=11, Resulting Numbers: [5, 11] Generated Node #0,3,2: 16:[5, 11] Operation: 39-28=11 Moving to Node #0,3,2 Current State: 16:[5, 11], Operations: ['94-89=5', '39-28=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 37, 87, 26, 8 ]
78
[ "37-8=29", "87*26=2262", "2262/29=78" ]
Current State: 78:[37, 87, 26, 8], Operations: [] Exploring Operation: 37-8=29, Resulting Numbers: [87, 26, 29] Generated Node #2: [87, 26, 29] from Operation: 37-8=29 Current State: 78:[87, 26, 29], Operations: ['37-8=29'] Exploring Operation: 87*26=2262, Resulting Numbers: [29, 2262] Generated Node #3: [29, 2262] from Operation: 87*26=2262 Current State: 78:[29, 2262], Operations: ['37-8=29', '87*26=2262'] Exploring Operation: 2262/29=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[37, 87, 26, 8], Operations: [] Exploring Operation: 87-8=79, Resulting Numbers: [37, 26, 79] Generated Node #0,0: 78:[37, 26, 79] Operation: 87-8=79 Exploring Operation: 37-8=29, Resulting Numbers: [87, 26, 29] Generated Node #0,1: 78:[87, 26, 29] Operation: 37-8=29 Moving to Node #0,0 Current State: 78:[37, 26, 79], Operations: ['87-8=79'] Exploring Operation: 37-26=11, Resulting Numbers: [79, 11] Generated Node #0,0,0: 78:[79, 11] Operation: 37-26=11 Exploring Operation: 79-37=42, Resulting Numbers: [26, 42] Generated Node #0,0,1: 78:[26, 42] Operation: 79-37=42 Moving to Node #0,1 Current State: 78:[87, 26, 29], Operations: ['37-8=29'] Exploring Operation: 87/29=3, Resulting Numbers: [26, 3] Generated Node #0,1,0: 78:[26, 3] Operation: 87/29=3 Exploring Operation: 29-26=3, Resulting Numbers: [87, 3] Generated Node #0,1,1: 78:[87, 3] Operation: 29-26=3 Moving to Node #0,1,0 Current State: 78:[26, 3], Operations: ['37-8=29', '87/29=3'] Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[37, 87, 26, 8], Operations: [] Exploring Operation: 37-8=29, Resulting Numbers: [87, 26, 29] Generated Node #0,1: 78:[87, 26, 29] Operation: 37-8=29 Moving to Node #0,1 Current State: 78:[87, 26, 29], Operations: ['37-8=29'] Exploring Operation: 87/29=3, Resulting Numbers: [26, 3] Generated Node #0,1,0: 78:[26, 3] Operation: 87/29=3 Moving to Node #0,1,0 Current State: 78:[26, 3], Operations: ['37-8=29', '87/29=3'] Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 89, 54, 58, 85 ]
62
[ "89-54=35", "85-58=27", "35+27=62" ]
Current State: 62:[89, 54, 58, 85], Operations: [] Exploring Operation: 89-54=35, Resulting Numbers: [58, 85, 35] Generated Node #2: [58, 85, 35] from Operation: 89-54=35 Current State: 62:[58, 85, 35], Operations: ['89-54=35'] Exploring Operation: 85-58=27, Resulting Numbers: [35, 27] Generated Node #3: [35, 27] from Operation: 85-58=27 Current State: 62:[35, 27], Operations: ['89-54=35', '85-58=27'] Exploring Operation: 35+27=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[89, 54, 58, 85], Operations: [] Exploring Operation: 89-54=35, Resulting Numbers: [58, 85, 35] Generated Node #0,0: 62:[58, 85, 35] Operation: 89-54=35 Exploring Operation: 89-85=4, Resulting Numbers: [54, 58, 4] Generated Node #0,1: 62:[54, 58, 4] Operation: 89-85=4 Moving to Node #0,1 Current State: 62:[54, 58, 4], Operations: ['89-85=4'] Exploring Operation: 58-54=4, Resulting Numbers: [4, 4] Generated Node #0,1,0: 62:[4, 4] Operation: 58-54=4 Exploring Operation: 54+4=58, Resulting Numbers: [58, 58] Generated Node #0,1,1: 62:[58, 58] Operation: 54+4=58 Moving to Node #0,0 Current State: 62:[58, 85, 35], Operations: ['89-54=35'] Exploring Operation: 85-58=27, Resulting Numbers: [35, 27] Generated Node #0,0,0: 62:[35, 27] Operation: 85-58=27 Exploring Operation: 85-35=50, Resulting Numbers: [58, 50] Generated Node #0,0,1: 62:[58, 50] Operation: 85-35=50 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[35, 27], Operations: ['89-54=35', '85-58=27'] Exploring Operation: 35+27=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[89, 54, 58, 85], Operations: [] Exploring Operation: 89-54=35, Resulting Numbers: [58, 85, 35] Generated Node #0,0: 62:[58, 85, 35] Operation: 89-54=35 Moving to Node #0,0 Current State: 62:[58, 85, 35], Operations: ['89-54=35'] Exploring Operation: 85-58=27, Resulting Numbers: [35, 27] Generated Node #0,0,0: 62:[35, 27] Operation: 85-58=27 Moving to Node #0,0,0 Current State: 62:[35, 27], Operations: ['89-54=35', '85-58=27'] Exploring Operation: 35+27=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 35, 35, 64, 79 ]
55
[ "35+35=70", "79-64=15", "70-15=55" ]
Current State: 55:[35, 35, 64, 79], Operations: [] Exploring Operation: 35+35=70, Resulting Numbers: [64, 79, 70] Generated Node #2: [64, 79, 70] from Operation: 35+35=70 Current State: 55:[64, 79, 70], Operations: ['35+35=70'] Exploring Operation: 79-64=15, Resulting Numbers: [70, 15] Generated Node #3: [70, 15] from Operation: 79-64=15 Current State: 55:[70, 15], Operations: ['35+35=70', '79-64=15'] Exploring Operation: 70-15=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[35, 35, 64, 79], Operations: [] Exploring Operation: 79-35=44, Resulting Numbers: [35, 64, 44] Generated Node #0,0: 55:[35, 64, 44] Operation: 79-35=44 Exploring Operation: 35-35=0, Resulting Numbers: [64, 79, 0] Generated Node #0,1: 55:[64, 79, 0] Operation: 35-35=0 Exploring Operation: 35/35=1, Resulting Numbers: [64, 79, 1] Generated Node #0,2: 55:[64, 79, 1] Operation: 35/35=1 Exploring Operation: 79-64=15, Resulting Numbers: [35, 35, 15] Generated Node #0,3: 55:[35, 35, 15] Operation: 79-64=15 Exploring Operation: 79-35=44, Resulting Numbers: [35, 64, 44] Generated Node #0,4: 55:[35, 64, 44] Operation: 79-35=44 Moving to Node #0,2 Current State: 55:[64, 79, 1], Operations: ['35/35=1'] Exploring Operation: 79-64=15, Resulting Numbers: [1, 15] Generated Node #0,2,0: 55:[1, 15] Operation: 79-64=15 Exploring Operation: 64*1=64, Resulting Numbers: [79, 64] Generated Node #0,2,1: 55:[79, 64] Operation: 64*1=64 Exploring Operation: 64-1=63, Resulting Numbers: [79, 63] Generated Node #0,2,2: 55:[79, 63] Operation: 64-1=63 Exploring Operation: 64/1=64, Resulting Numbers: [79, 64] Generated Node #0,2,3: 55:[79, 64] Operation: 64/1=64 Exploring Operation: 79-1=78, Resulting Numbers: [64, 78] Generated Node #0,2,4: 55:[64, 78] Operation: 79-1=78 Moving to Node #0,1 Current State: 55:[64, 79, 0], Operations: ['35-35=0'] Exploring Operation: 79-64=15, Resulting Numbers: [0, 15] Generated Node #0,1,0: 55:[0, 15] Operation: 79-64=15 Exploring Operation: 64-0=64, Resulting Numbers: [79, 64] Generated Node #0,1,1: 55:[79, 64] Operation: 64-0=64 Exploring Operation: 64+0=64, Resulting Numbers: [79, 64] Generated Node #0,1,2: 55:[79, 64] Operation: 64+0=64 Exploring Operation: 79*0=0, Resulting Numbers: [64, 0] Generated Node #0,1,3: 55:[64, 0] Operation: 79*0=0 Exploring Operation: 64*0=0, Resulting Numbers: [79, 0] Generated Node #0,1,4: 55:[79, 0] Operation: 64*0=0 Moving to Node #0,0 Current State: 55:[35, 64, 44], Operations: ['79-35=44'] Exploring Operation: 35+64=99, Resulting Numbers: [44, 99] Generated Node #0,0,0: 55:[44, 99] Operation: 35+64=99 Exploring Operation: 35+44=79, Resulting Numbers: [64, 79] Generated Node #0,0,1: 55:[64, 79] Operation: 35+44=79 Exploring Operation: 44-35=9, Resulting Numbers: [64, 9] Generated Node #0,0,2: 55:[64, 9] Operation: 44-35=9 Exploring Operation: 64-35=29, Resulting Numbers: [44, 29] Generated Node #0,0,3: 55:[44, 29] Operation: 64-35=29 Exploring Operation: 64-44=20, Resulting Numbers: [35, 20] Generated Node #0,0,4: 55:[35, 20] Operation: 64-44=20 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 55:[64, 9], Operations: ['79-35=44', '44-35=9'] Exploring Operation: 64*9=576, Resulting Numbers: [576] 576,55 unequal: No Solution Exploring Operation: 64+9=73, Resulting Numbers: [73] 73,55 unequal: No Solution Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[35, 35, 64, 79], Operations: [] Exploring Operation: 79-35=44, Resulting Numbers: [35, 64, 44] Generated Node #0,0: 55:[35, 64, 44] Operation: 79-35=44 Moving to Node #0,0 Current State: 55:[35, 64, 44], Operations: ['79-35=44'] Exploring Operation: 44-35=9, Resulting Numbers: [64, 9] Generated Node #0,0,2: 55:[64, 9] Operation: 44-35=9 Moving to Node #0,0,2 Current State: 55:[64, 9], Operations: ['79-35=44', '44-35=9'] Exploring Operation: 64-9=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
sum_heuristic
[ 19, 56, 10, 1 ]
58
[ "19+1=20", "20/10=2", "56+2=58" ]
Current State: 58:[19, 56, 10, 1], Operations: [] Exploring Operation: 19+1=20, Resulting Numbers: [56, 10, 20] Generated Node #2: [56, 10, 20] from Operation: 19+1=20 Current State: 58:[56, 10, 20], Operations: ['19+1=20'] Exploring Operation: 20/10=2, Resulting Numbers: [56, 2] Generated Node #3: [56, 2] from Operation: 20/10=2 Current State: 58:[56, 2], Operations: ['19+1=20', '20/10=2'] Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[19, 56, 10, 1], Operations: [] Exploring Operation: 19+10=29, Resulting Numbers: [56, 1, 29] Generated Node #0,0: 58:[56, 1, 29] Operation: 19+10=29 Exploring Operation: 19-10=9, Resulting Numbers: [56, 1, 9] Generated Node #0,1: 58:[56, 1, 9] Operation: 19-10=9 Exploring Operation: 19+1=20, Resulting Numbers: [56, 10, 20] Generated Node #0,2: 58:[56, 10, 20] Operation: 19+1=20 Exploring Operation: 56-19=37, Resulting Numbers: [10, 1, 37] Generated Node #0,3: 58:[10, 1, 37] Operation: 56-19=37 Start Sub Search at level 1: Moving to Node #0,0 Current State: 58:[56, 1, 29], Operations: ['19+10=29'] Exploring Operation: 1*29=29, Resulting Numbers: [56, 29] Generated Node #0,0,0: 58:[56, 29] Operation: 1*29=29 Exploring Operation: 56+1=57, Resulting Numbers: [29, 57] Generated Node #0,0,1: 58:[29, 57] Operation: 56+1=57 Exploring Operation: 56/1=56, Resulting Numbers: [29, 56] Generated Node #0,0,2: 58:[29, 56] Operation: 56/1=56 Exploring Operation: 56*1=56, Resulting Numbers: [29, 56] Generated Node #0,0,3: 58:[29, 56] Operation: 56*1=56 Moving to Node #0,0,1 Current State: 58:[29, 57], Operations: ['19+10=29', '56+1=57'] Exploring Operation: 29+57=86, Resulting Numbers: [86] 86,58 unequal: No Solution Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 29*57=1653, Resulting Numbers: [1653] 1653,58 unequal: No Solution Moving to Node #0,0,2 Current State: 58:[29, 56], Operations: ['19+10=29', '56/1=56'] Exploring Operation: 29*56=1624, Resulting Numbers: [1624] 1624,58 unequal: No Solution Exploring Operation: 29+56=85, Resulting Numbers: [85] 85,58 unequal: No Solution Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,58 unequal: No Solution Moving to Node #0,0,0 Current State: 58:[56, 29], Operations: ['19+10=29', '1*29=29'] Exploring Operation: 56*29=1624, Resulting Numbers: [1624] 1624,58 unequal: No Solution Exploring Operation: 56+29=85, Resulting Numbers: [85] 85,58 unequal: No Solution Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,58 unequal: No Solution Moving to Node #0,0,3 Current State: 58:[29, 56], Operations: ['19+10=29', '56*1=56'] Exploring Operation: 29+56=85, Resulting Numbers: [85] 85,58 unequal: No Solution Exploring Operation: 56-29=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 29*56=1624, Resulting Numbers: [1624] 1624,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 58:[56, 1, 9], Operations: ['19-10=9'] Exploring Operation: 56+9=65, Resulting Numbers: [1, 65] Generated Node #0,1,0: 58:[1, 65] Operation: 56+9=65 Exploring Operation: 56*1=56, Resulting Numbers: [9, 56] Generated Node #0,1,1: 58:[9, 56] Operation: 56*1=56 Exploring Operation: 9-1=8, Resulting Numbers: [56, 8] Generated Node #0,1,2: 58:[56, 8] Operation: 9-1=8 Exploring Operation: 56+1=57, Resulting Numbers: [9, 57] Generated Node #0,1,3: 58:[9, 57] Operation: 56+1=57 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 58:[1, 65], Operations: ['19-10=9', '56+9=65'] Exploring Operation: 1*65=65, Resulting Numbers: [65] 65,58 unequal: No Solution Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,58 unequal: No Solution Exploring Operation: 65-1=64, Resulting Numbers: [64] 64,58 unequal: No Solution Exploring Operation: 65/1=65, Resulting Numbers: [65] 65,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 58:[56, 8], Operations: ['19-10=9', '9-1=8'] Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,58 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,58 unequal: No Solution Exploring Operation: 56*8=448, Resulting Numbers: [448] 448,58 unequal: No Solution Exploring Operation: 56+8=64, Resulting Numbers: [64] 64,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 58:[9, 57], Operations: ['19-10=9', '56+1=57'] Exploring Operation: 9*57=513, Resulting Numbers: [513] 513,58 unequal: No Solution Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,58 unequal: No Solution Exploring Operation: 9+57=66, Resulting Numbers: [66] 66,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 58:[9, 56], Operations: ['19-10=9', '56*1=56'] Exploring Operation: 9*56=504, Resulting Numbers: [504] 504,58 unequal: No Solution Exploring Operation: 9+56=65, Resulting Numbers: [65] 65,58 unequal: No Solution Exploring Operation: 56-9=47, Resulting Numbers: [47] 47,58 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 58:[10, 1, 37], Operations: ['56-19=37'] Exploring Operation: 37-10=27, Resulting Numbers: [1, 27] Generated Node #0,3,0: 58:[1, 27] Operation: 37-10=27 Exploring Operation: 10+37=47, Resulting Numbers: [1, 47] Generated Node #0,3,1: 58:[1, 47] Operation: 10+37=47 Exploring Operation: 10-1=9, Resulting Numbers: [37, 9] Generated Node #0,3,2: 58:[37, 9] Operation: 10-1=9 Exploring Operation: 37-1=36, Resulting Numbers: [10, 36] Generated Node #0,3,3: 58:[10, 36] Operation: 37-1=36 Moving to Node #0,3,0 Current State: 58:[1, 27], Operations: ['56-19=37', '37-10=27'] Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 1*27=27, Resulting Numbers: [27] 27,58 unequal: No Solution Exploring Operation: 1+27=28, Resulting Numbers: [28] 28,58 unequal: No Solution Exploring Operation: 27/1=27, Resulting Numbers: [27] 27,58 unequal: No Solution Moving to Node #0,3,1 Current State: 58:[1, 47], Operations: ['56-19=37', '10+37=47'] Exploring Operation: 1*47=47, Resulting Numbers: [47] 47,58 unequal: No Solution Exploring Operation: 1+47=48, Resulting Numbers: [48] 48,58 unequal: No Solution Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,58 unequal: No Solution Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,58 unequal: No Solution Moving to Node #0,3,3 Current State: 58:[10, 36], Operations: ['56-19=37', '37-1=36'] Exploring Operation: 36-10=26, Resulting Numbers: [26] 26,58 unequal: No Solution Exploring Operation: 10+36=46, Resulting Numbers: [46] 46,58 unequal: No Solution Exploring Operation: 10*36=360, Resulting Numbers: [360] 360,58 unequal: No Solution Moving to Node #0,3,2 Current State: 58:[37, 9], Operations: ['56-19=37', '10-1=9'] Exploring Operation: 37*9=333, Resulting Numbers: [333] 333,58 unequal: No Solution Exploring Operation: 37+9=46, Resulting Numbers: [46] 46,58 unequal: No Solution Exploring Operation: 37-9=28, Resulting Numbers: [28] 28,58 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[56, 10, 20], Operations: ['19+1=20'] Exploring Operation: 56-20=36, Resulting Numbers: [10, 36] Generated Node #0,2,0: 58:[10, 36] Operation: 56-20=36 Exploring Operation: 20/10=2, Resulting Numbers: [56, 2] Generated Node #0,2,1: 58:[56, 2] Operation: 20/10=2 Exploring Operation: 10+20=30, Resulting Numbers: [56, 30] Generated Node #0,2,2: 58:[56, 30] Operation: 10+20=30 Exploring Operation: 20-10=10, Resulting Numbers: [56, 10] Generated Node #0,2,3: 58:[56, 10] Operation: 20-10=10 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 58:[56, 2], Operations: ['19+1=20', '20/10=2'] Exploring Operation: 56*2=112, Resulting Numbers: [112] 112,58 unequal: No Solution Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[19, 56, 10, 1], Operations: [] Exploring Operation: 19+1=20, Resulting Numbers: [56, 10, 20] Generated Node #0,2: 58:[56, 10, 20] Operation: 19+1=20 Moving to Node #0,2 Current State: 58:[56, 10, 20], Operations: ['19+1=20'] Exploring Operation: 20/10=2, Resulting Numbers: [56, 2] Generated Node #0,2,1: 58:[56, 2] Operation: 20/10=2 Moving to Node #0,2,1 Current State: 58:[56, 2], Operations: ['19+1=20', '20/10=2'] Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.942708
hs_4
sum_heuristic
[ 75, 99, 80, 8 ]
33
[ "80-75=5", "8-5=3", "99/3=33" ]
Current State: 33:[75, 99, 80, 8], Operations: [] Exploring Operation: 80-75=5, Resulting Numbers: [99, 8, 5] Generated Node #2: [99, 8, 5] from Operation: 80-75=5 Current State: 33:[99, 8, 5], Operations: ['80-75=5'] Exploring Operation: 8-5=3, Resulting Numbers: [99, 3] Generated Node #3: [99, 3] from Operation: 8-5=3 Current State: 33:[99, 3], Operations: ['80-75=5', '8-5=3'] Exploring Operation: 99/3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[75, 99, 80, 8], Operations: [] Exploring Operation: 99-75=24, Resulting Numbers: [80, 8, 24] Generated Node #0,0: 33:[80, 8, 24] Operation: 99-75=24 Exploring Operation: 99-80=19, Resulting Numbers: [75, 8, 19] Generated Node #0,1: 33:[75, 8, 19] Operation: 99-80=19 Moving to Node #0,1 Current State: 33:[75, 8, 19], Operations: ['99-80=19'] Exploring Operation: 75-19=56, Resulting Numbers: [8, 56] Generated Node #0,1,0: 33:[8, 56] Operation: 75-19=56 Exploring Operation: 75-8=67, Resulting Numbers: [19, 67] Generated Node #0,1,1: 33:[19, 67] Operation: 75-8=67 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 33:[8, 56], Operations: ['99-80=19', '75-19=56'] Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,33 unequal: No Solution Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 33:[19, 67], Operations: ['99-80=19', '75-8=67'] Exploring Operation: 67-19=48, Resulting Numbers: [48] 48,33 unequal: No Solution Exploring Operation: 19+67=86, Resulting Numbers: [86] 86,33 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: 33:[80, 8, 24], Operations: ['99-75=24'] Exploring Operation: 80-24=56, Resulting Numbers: [8, 56] Generated Node #0,0,0: 33:[8, 56] Operation: 80-24=56 Exploring Operation: 80/8=10, Resulting Numbers: [24, 10] Generated Node #0,0,1: 33:[24, 10] Operation: 80/8=10 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 33:[24, 10], Operations: ['99-75=24', '80/8=10'] Exploring Operation: 24-10=14, Resulting Numbers: [14] 14,33 unequal: No Solution Exploring Operation: 24+10=34, Resulting Numbers: [34] 34,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[8, 56], Operations: ['99-75=24', '80-24=56'] Exploring Operation: 56/8=7, Resulting Numbers: [7] 7,33 unequal: No Solution Exploring Operation: 56-8=48, Resulting Numbers: [48] 48,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 73, 77, 85, 60 ]
82
[ "85-73=12", "60/12=5", "77+5=82" ]
Current State: 82:[73, 77, 85, 60], Operations: [] Exploring Operation: 85-73=12, Resulting Numbers: [77, 60, 12] Generated Node #2: [77, 60, 12] from Operation: 85-73=12 Current State: 82:[77, 60, 12], Operations: ['85-73=12'] Exploring Operation: 60/12=5, Resulting Numbers: [77, 5] Generated Node #3: [77, 5] from Operation: 60/12=5 Current State: 82:[77, 5], Operations: ['85-73=12', '60/12=5'] Exploring Operation: 77+5=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[73, 77, 85, 60], Operations: [] Exploring Operation: 73-60=13, Resulting Numbers: [77, 85, 13] Generated Node #0,0: 82:[77, 85, 13] Operation: 73-60=13 Exploring Operation: 77-60=17, Resulting Numbers: [73, 85, 17] Generated Node #0,1: 82:[73, 85, 17] Operation: 77-60=17 Exploring Operation: 85-73=12, Resulting Numbers: [77, 60, 12] Generated Node #0,2: 82:[77, 60, 12] Operation: 85-73=12 Exploring Operation: 85-60=25, Resulting Numbers: [73, 77, 25] Generated Node #0,3: 82:[73, 77, 25] Operation: 85-60=25 Exploring Operation: 77-73=4, Resulting Numbers: [85, 60, 4] Generated Node #0,4: 82:[85, 60, 4] Operation: 77-73=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[77, 85, 13], Operations: ['73-60=13'] Exploring Operation: 85-13=72, Resulting Numbers: [77, 72] Generated Node #0,0,0: 82:[77, 72] Operation: 85-13=72 Exploring Operation: 85+13=98, Resulting Numbers: [77, 98] Generated Node #0,0,1: 82:[77, 98] Operation: 85+13=98 Exploring Operation: 85-77=8, Resulting Numbers: [13, 8] Generated Node #0,0,2: 82:[13, 8] Operation: 85-77=8 Exploring Operation: 77-13=64, Resulting Numbers: [85, 64] Generated Node #0,0,3: 82:[85, 64] Operation: 77-13=64 Exploring Operation: 77+13=90, Resulting Numbers: [85, 90] Generated Node #0,0,4: 82:[85, 90] Operation: 77+13=90 Moving to Node #0,0,4 Current State: 82:[85, 90], Operations: ['73-60=13', '77+13=90'] Exploring Operation: 90-85=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 85+90=175, Resulting Numbers: [175] 175,82 unequal: No Solution Exploring Operation: 85*90=7650, Resulting Numbers: [7650] 7650,82 unequal: No Solution Moving to Node #0,0,0 Current State: 82:[77, 72], Operations: ['73-60=13', '85-13=72'] Exploring Operation: 77*72=5544, Resulting Numbers: [5544] 5544,82 unequal: No Solution Exploring Operation: 77+72=149, Resulting Numbers: [149] 149,82 unequal: No Solution Exploring Operation: 77-72=5, Resulting Numbers: [5] 5,82 unequal: No Solution Moving to Node #0,0,2 Current State: 82:[13, 8], Operations: ['73-60=13', '85-77=8'] Exploring Operation: 13*8=104, Resulting Numbers: [104] 104,82 unequal: No Solution Exploring Operation: 13-8=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 13+8=21, Resulting Numbers: [21] 21,82 unequal: No Solution Moving to Node #0,0,1 Current State: 82:[77, 98], Operations: ['73-60=13', '85+13=98'] Exploring Operation: 77+98=175, Resulting Numbers: [175] 175,82 unequal: No Solution Exploring Operation: 77*98=7546, Resulting Numbers: [7546] 7546,82 unequal: No Solution Exploring Operation: 98-77=21, Resulting Numbers: [21] 21,82 unequal: No Solution Moving to Node #0,0,3 Current State: 82:[85, 64], Operations: ['73-60=13', '77-13=64'] Exploring Operation: 85-64=21, Resulting Numbers: [21] 21,82 unequal: No Solution Exploring Operation: 85*64=5440, Resulting Numbers: [5440] 5440,82 unequal: No Solution Exploring Operation: 85+64=149, Resulting Numbers: [149] 149,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 82:[85, 60, 4], Operations: ['77-73=4'] Exploring Operation: 60+4=64, Resulting Numbers: [85, 64] Generated Node #0,4,0: 82:[85, 64] Operation: 60+4=64 Exploring Operation: 60/4=15, Resulting Numbers: [85, 15] Generated Node #0,4,1: 82:[85, 15] Operation: 60/4=15 Exploring Operation: 85-60=25, Resulting Numbers: [4, 25] Generated Node #0,4,2: 82:[4, 25] Operation: 85-60=25 Exploring Operation: 60-4=56, Resulting Numbers: [85, 56] Generated Node #0,4,3: 82:[85, 56] Operation: 60-4=56 Exploring Operation: 85-4=81, Resulting Numbers: [60, 81] Generated Node #0,4,4: 82:[60, 81] Operation: 85-4=81 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 82:[85, 15], Operations: ['77-73=4', '60/4=15'] Exploring Operation: 85*15=1275, Resulting Numbers: [1275] 1275,82 unequal: No Solution Exploring Operation: 85+15=100, Resulting Numbers: [100] 100,82 unequal: No Solution Exploring Operation: 85-15=70, Resulting Numbers: [70] 70,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 82:[4, 25], Operations: ['77-73=4', '85-60=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,82 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,82 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 82:[85, 56], Operations: ['77-73=4', '60-4=56'] Exploring Operation: 85+56=141, Resulting Numbers: [141] 141,82 unequal: No Solution Exploring Operation: 85*56=4760, Resulting Numbers: [4760] 4760,82 unequal: No Solution Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 82:[60, 81], Operations: ['77-73=4', '85-4=81'] Exploring Operation: 81-60=21, Resulting Numbers: [21] 21,82 unequal: No Solution Exploring Operation: 60*81=4860, Resulting Numbers: [4860] 4860,82 unequal: No Solution Exploring Operation: 60+81=141, Resulting Numbers: [141] 141,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 82:[85, 64], Operations: ['77-73=4', '60+4=64'] Exploring Operation: 85*64=5440, Resulting Numbers: [5440] 5440,82 unequal: No Solution Exploring Operation: 85+64=149, Resulting Numbers: [149] 149,82 unequal: No Solution Exploring Operation: 85-64=21, Resulting Numbers: [21] 21,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[73, 85, 17], Operations: ['77-60=17'] Exploring Operation: 73+17=90, Resulting Numbers: [85, 90] Generated Node #0,1,0: 82:[85, 90] Operation: 73+17=90 Exploring Operation: 85-17=68, Resulting Numbers: [73, 68] Generated Node #0,1,1: 82:[73, 68] Operation: 85-17=68 Exploring Operation: 85/17=5, Resulting Numbers: [73, 5] Generated Node #0,1,2: 82:[73, 5] Operation: 85/17=5 Exploring Operation: 85-73=12, Resulting Numbers: [17, 12] Generated Node #0,1,3: 82:[17, 12] Operation: 85-73=12 Exploring Operation: 73-17=56, Resulting Numbers: [85, 56] Generated Node #0,1,4: 82:[85, 56] Operation: 73-17=56 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 82:[85, 90], Operations: ['77-60=17', '73+17=90'] Exploring Operation: 85*90=7650, Resulting Numbers: [7650] 7650,82 unequal: No Solution Exploring Operation: 90-85=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 85+90=175, Resulting Numbers: [175] 175,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 82:[73, 5], Operations: ['77-60=17', '85/17=5'] Exploring Operation: 73-5=68, Resulting Numbers: [68] 68,82 unequal: No Solution Exploring Operation: 73*5=365, Resulting Numbers: [365] 365,82 unequal: No Solution Exploring Operation: 73+5=78, Resulting Numbers: [78] 78,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 82:[85, 56], Operations: ['77-60=17', '73-17=56'] Exploring Operation: 85-56=29, Resulting Numbers: [29] 29,82 unequal: No Solution Exploring Operation: 85*56=4760, Resulting Numbers: [4760] 4760,82 unequal: No Solution Exploring Operation: 85+56=141, Resulting Numbers: [141] 141,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[73, 68], Operations: ['77-60=17', '85-17=68'] Exploring Operation: 73-68=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 73+68=141, Resulting Numbers: [141] 141,82 unequal: No Solution Exploring Operation: 73*68=4964, Resulting Numbers: [4964] 4964,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 82:[17, 12], Operations: ['77-60=17', '85-73=12'] Exploring Operation: 17*12=204, Resulting Numbers: [204] 204,82 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,82 unequal: No Solution Exploring Operation: 17+12=29, Resulting Numbers: [29] 29,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 82:[73, 77, 25], Operations: ['85-60=25'] Exploring Operation: 77-73=4, Resulting Numbers: [25, 4] Generated Node #0,3,0: 82:[25, 4] Operation: 77-73=4 Exploring Operation: 77-25=52, Resulting Numbers: [73, 52] Generated Node #0,3,1: 82:[73, 52] Operation: 77-25=52 Exploring Operation: 73-25=48, Resulting Numbers: [77, 48] Generated Node #0,3,2: 82:[77, 48] Operation: 73-25=48 Exploring Operation: 77+25=102, Resulting Numbers: [73, 102] Generated Node #0,3,3: 82:[73, 102] Operation: 77+25=102 Exploring Operation: 73+25=98, Resulting Numbers: [77, 98] Generated Node #0,3,4: 82:[77, 98] Operation: 73+25=98 Moving to Node #0,3,2 Current State: 82:[77, 48], Operations: ['85-60=25', '73-25=48'] Exploring Operation: 77-48=29, Resulting Numbers: [29] 29,82 unequal: No Solution Exploring Operation: 77+48=125, Resulting Numbers: [125] 125,82 unequal: No Solution Exploring Operation: 77*48=3696, Resulting Numbers: [3696] 3696,82 unequal: No Solution Moving to Node #0,3,0 Current State: 82:[25, 4], Operations: ['85-60=25', '77-73=4'] Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,82 unequal: No Solution Exploring Operation: 25+4=29, Resulting Numbers: [29] 29,82 unequal: No Solution Exploring Operation: 25*4=100, Resulting Numbers: [100] 100,82 unequal: No Solution Moving to Node #0,3,1 Current State: 82:[73, 52], Operations: ['85-60=25', '77-25=52'] Exploring Operation: 73*52=3796, Resulting Numbers: [3796] 3796,82 unequal: No Solution Exploring Operation: 73-52=21, Resulting Numbers: [21] 21,82 unequal: No Solution Exploring Operation: 73+52=125, Resulting Numbers: [125] 125,82 unequal: No Solution Moving to Node #0,3,4 Current State: 82:[77, 98], Operations: ['85-60=25', '73+25=98'] Exploring Operation: 98-77=21, Resulting Numbers: [21] 21,82 unequal: No Solution Exploring Operation: 77*98=7546, Resulting Numbers: [7546] 7546,82 unequal: No Solution Exploring Operation: 77+98=175, Resulting Numbers: [175] 175,82 unequal: No Solution Moving to Node #0,3,3 Current State: 82:[73, 102], Operations: ['85-60=25', '77+25=102'] Exploring Operation: 73*102=7446, Resulting Numbers: [7446] 7446,82 unequal: No Solution Exploring Operation: 73+102=175, Resulting Numbers: [175] 175,82 unequal: No Solution Exploring Operation: 102-73=29, Resulting Numbers: [29] 29,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[77, 60, 12], Operations: ['85-73=12'] Exploring Operation: 77-60=17, Resulting Numbers: [12, 17] Generated Node #0,2,0: 82:[12, 17] Operation: 77-60=17 Exploring Operation: 60-12=48, Resulting Numbers: [77, 48] Generated Node #0,2,1: 82:[77, 48] Operation: 60-12=48 Exploring Operation: 77+12=89, Resulting Numbers: [60, 89] Generated Node #0,2,2: 82:[60, 89] Operation: 77+12=89 Exploring Operation: 60+12=72, Resulting Numbers: [77, 72] Generated Node #0,2,3: 82:[77, 72] Operation: 60+12=72 Exploring Operation: 60/12=5, Resulting Numbers: [77, 5] Generated Node #0,2,4: 82:[77, 5] Operation: 60/12=5 Moving to Node #0,2,4 Current State: 82:[77, 5], Operations: ['85-73=12', '60/12=5'] Exploring Operation: 77+5=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[73, 77, 85, 60], Operations: [] Exploring Operation: 85-73=12, Resulting Numbers: [77, 60, 12] Generated Node #0,2: 82:[77, 60, 12] Operation: 85-73=12 Moving to Node #0,2 Current State: 82:[77, 60, 12], Operations: ['85-73=12'] Exploring Operation: 60/12=5, Resulting Numbers: [77, 5] Generated Node #0,2,4: 82:[77, 5] Operation: 60/12=5 Moving to Node #0,2,4 Current State: 82:[77, 5], Operations: ['85-73=12', '60/12=5'] Exploring Operation: 77+5=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.917535
hs_5
sum_heuristic
[ 19, 99, 69, 95 ]
84
[ "99-19=80", "69+95=164", "164-80=84" ]
Current State: 84:[19, 99, 69, 95], Operations: [] Exploring Operation: 99-19=80, Resulting Numbers: [69, 95, 80] Generated Node #2: [69, 95, 80] from Operation: 99-19=80 Current State: 84:[69, 95, 80], Operations: ['99-19=80'] Exploring Operation: 69+95=164, Resulting Numbers: [80, 164] Generated Node #3: [80, 164] from Operation: 69+95=164 Current State: 84:[80, 164], Operations: ['99-19=80', '69+95=164'] Exploring Operation: 164-80=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[19, 99, 69, 95], Operations: [] Exploring Operation: 99-69=30, Resulting Numbers: [19, 95, 30] Generated Node #0,0: 84:[19, 95, 30] Operation: 99-69=30 Moving to Node #0,0 Current State: 84:[19, 95, 30], Operations: ['99-69=30'] Exploring Operation: 95/19=5, Resulting Numbers: [30, 5] Generated Node #0,0,0: 84:[30, 5] Operation: 95/19=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[30, 5], Operations: ['99-69=30', '95/19=5'] Exploring Operation: 30/5=6, Resulting Numbers: [6] 6,84 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
[ 27, 8, 14, 41 ]
63
[ "27-14=13", "8*13=104", "104-41=63" ]
Current State: 63:[27, 8, 14, 41], Operations: [] Exploring Operation: 27-14=13, Resulting Numbers: [8, 41, 13] Generated Node #2: [8, 41, 13] from Operation: 27-14=13 Current State: 63:[8, 41, 13], Operations: ['27-14=13'] Exploring Operation: 8*13=104, Resulting Numbers: [41, 104] Generated Node #3: [41, 104] from Operation: 8*13=104 Current State: 63:[41, 104], Operations: ['27-14=13', '8*13=104'] Exploring Operation: 104-41=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[27, 8, 14, 41], Operations: [] Exploring Operation: 41-27=14, Resulting Numbers: [8, 14, 14] Generated Node #0,0: 63:[8, 14, 14] Operation: 41-27=14 Exploring Operation: 14+41=55, Resulting Numbers: [27, 8, 55] Generated Node #0,1: 63:[27, 8, 55] Operation: 14+41=55 Exploring Operation: 27+41=68, Resulting Numbers: [8, 14, 68] Generated Node #0,2: 63:[8, 14, 68] Operation: 27+41=68 Exploring Operation: 41-8=33, Resulting Numbers: [27, 14, 33] Generated Node #0,3: 63:[27, 14, 33] Operation: 41-8=33 Exploring Operation: 41-14=27, Resulting Numbers: [27, 8, 27] Generated Node #0,4: 63:[27, 8, 27] Operation: 41-14=27 Moving to Node #0,0 Current State: 63:[8, 14, 14], Operations: ['41-27=14'] Exploring Operation: 14-14=0, Resulting Numbers: [8, 0] Generated Node #0,0,0: 63:[8, 0] Operation: 14-14=0 Exploring Operation: 14-8=6, Resulting Numbers: [14, 6] Generated Node #0,0,1: 63:[14, 6] Operation: 14-8=6 Exploring Operation: 8+14=22, Resulting Numbers: [14, 22] Generated Node #0,0,2: 63:[14, 22] Operation: 8+14=22 Exploring Operation: 14/14=1, Resulting Numbers: [8, 1] Generated Node #0,0,3: 63:[8, 1] Operation: 14/14=1 Exploring Operation: 8+14=22, Resulting Numbers: [14, 22] Generated Node #0,0,4: 63:[14, 22] Operation: 8+14=22 Moving to Node #0,2 Current State: 63:[8, 14, 68], Operations: ['27+41=68'] Exploring Operation: 68-14=54, Resulting Numbers: [8, 54] Generated Node #0,2,0: 63:[8, 54] Operation: 68-14=54 Exploring Operation: 8+68=76, Resulting Numbers: [14, 76] Generated Node #0,2,1: 63:[14, 76] Operation: 8+68=76 Exploring Operation: 8+14=22, Resulting Numbers: [68, 22] Generated Node #0,2,2: 63:[68, 22] Operation: 8+14=22 Exploring Operation: 14-8=6, Resulting Numbers: [68, 6] Generated Node #0,2,3: 63:[68, 6] Operation: 14-8=6 Exploring Operation: 68-8=60, Resulting Numbers: [14, 60] Generated Node #0,2,4: 63:[14, 60] Operation: 68-8=60 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 63:[68, 22], Operations: ['27+41=68', '8+14=22'] Exploring Operation: 68+22=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 68*22=1496, Resulting Numbers: [1496] 1496,63 unequal: No Solution Exploring Operation: 68-22=46, Resulting Numbers: [46] 46,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 63:[68, 6], Operations: ['27+41=68', '14-8=6'] Exploring Operation: 68*6=408, Resulting Numbers: [408] 408,63 unequal: No Solution Exploring Operation: 68-6=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 68+6=74, Resulting Numbers: [74] 74,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 63:[14, 60], Operations: ['27+41=68', '68-8=60'] Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 14*60=840, Resulting Numbers: [840] 840,63 unequal: No Solution Exploring Operation: 14+60=74, Resulting Numbers: [74] 74,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 63:[8, 54], Operations: ['27+41=68', '68-14=54'] Exploring Operation: 8*54=432, Resulting Numbers: [432] 432,63 unequal: No Solution Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 63:[14, 76], Operations: ['27+41=68', '8+68=76'] Exploring Operation: 14+76=90, Resulting Numbers: [90] 90,63 unequal: No Solution Exploring Operation: 76-14=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 14*76=1064, Resulting Numbers: [1064] 1064,63 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: 63:[27, 8, 27], Operations: ['41-14=27'] Exploring Operation: 27+27=54, Resulting Numbers: [8, 54] Generated Node #0,4,0: 63:[8, 54] Operation: 27+27=54 Exploring Operation: 27-8=19, Resulting Numbers: [27, 19] Generated Node #0,4,1: 63:[27, 19] Operation: 27-8=19 Exploring Operation: 27-8=19, Resulting Numbers: [27, 19] Generated Node #0,4,2: 63:[27, 19] Operation: 27-8=19 Exploring Operation: 27-27=0, Resulting Numbers: [8, 0] Generated Node #0,4,3: 63:[8, 0] Operation: 27-27=0 Exploring Operation: 27/27=1, Resulting Numbers: [8, 1] Generated Node #0,4,4: 63:[8, 1] Operation: 27/27=1 Moving to Node #0,1 Current State: 63:[27, 8, 55], Operations: ['14+41=55'] Exploring Operation: 55-27=28, Resulting Numbers: [8, 28] Generated Node #0,1,0: 63:[8, 28] Operation: 55-27=28 Exploring Operation: 8+55=63, Resulting Numbers: [27, 63] Generated Node #0,1,1: 63:[27, 63] Operation: 8+55=63 Exploring Operation: 27-8=19, Resulting Numbers: [55, 19] Generated Node #0,1,2: 63:[55, 19] Operation: 27-8=19 Exploring Operation: 27+8=35, Resulting Numbers: [55, 35] Generated Node #0,1,3: 63:[55, 35] Operation: 27+8=35 Exploring Operation: 27+55=82, Resulting Numbers: [8, 82] Generated Node #0,1,4: 63:[8, 82] Operation: 27+55=82 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[27, 63], Operations: ['14+41=55', '8+55=63'] Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,63 unequal: No Solution Exploring Operation: 27*63=1701, Resulting Numbers: [1701] 1701,63 unequal: No Solution Exploring Operation: 27+63=90, Resulting Numbers: [90] 90,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 63:[8, 28], Operations: ['14+41=55', '55-27=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,63 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 63:[55, 19], Operations: ['14+41=55', '27-8=19'] Exploring Operation: 55+19=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 55*19=1045, Resulting Numbers: [1045] 1045,63 unequal: No Solution Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 63:[8, 82], Operations: ['14+41=55', '27+55=82'] Exploring Operation: 8*82=656, Resulting Numbers: [656] 656,63 unequal: No Solution Exploring Operation: 82-8=74, Resulting Numbers: [74] 74,63 unequal: No Solution Exploring Operation: 8+82=90, Resulting Numbers: [90] 90,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[55, 35], Operations: ['14+41=55', '27+8=35'] Exploring Operation: 55*35=1925, Resulting Numbers: [1925] 1925,63 unequal: No Solution Exploring Operation: 55-35=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 55+35=90, Resulting Numbers: [90] 90,63 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: 63:[27, 14, 33], Operations: ['41-8=33'] Exploring Operation: 33-14=19, Resulting Numbers: [27, 19] Generated Node #0,3,0: 63:[27, 19] Operation: 33-14=19 Exploring Operation: 27+33=60, Resulting Numbers: [14, 60] Generated Node #0,3,1: 63:[14, 60] Operation: 27+33=60 Exploring Operation: 27-14=13, Resulting Numbers: [33, 13] Generated Node #0,3,2: 63:[33, 13] Operation: 27-14=13 Exploring Operation: 14+33=47, Resulting Numbers: [27, 47] Generated Node #0,3,3: 63:[27, 47] Operation: 14+33=47 Exploring Operation: 33-27=6, Resulting Numbers: [14, 6] Generated Node #0,3,4: 63:[14, 6] Operation: 33-27=6 Moving to Node #0,0,3 Current State: 63:[8, 1], Operations: ['41-27=14', '14/14=1'] Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,63 unequal: No Solution Moving to Node #0,4,4 Current State: 63:[8, 1], Operations: ['41-14=27', '27/27=1'] Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,63 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,63 unequal: No Solution Moving to Node #0,4,3 Current State: 63:[8, 0], Operations: ['41-14=27', '27-27=0'] Exploring Operation: 8*0=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 8+0=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 8-0=8, Resulting Numbers: [8] 8,63 unequal: No Solution Moving to Node #0,0,0 Current State: 63:[8, 0], Operations: ['41-27=14', '14-14=0'] Exploring Operation: 8*0=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 8+0=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 8-0=8, Resulting Numbers: [8] 8,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[14, 6], Operations: ['41-27=14', '14-8=6'] Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,63 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,63 unequal: No Solution Moving to Node #0,0,4 Current State: 63:[14, 22], Operations: ['41-27=14', '8+14=22'] Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 14*22=308, Resulting Numbers: [308] 308,63 unequal: No Solution Exploring Operation: 14+22=36, Resulting Numbers: [36] 36,63 unequal: No Solution Moving to Node #0,3,4 Current State: 63:[14, 6], Operations: ['41-8=33', '33-27=6'] Exploring Operation: 14*6=84, Resulting Numbers: [84] 84,63 unequal: No Solution Exploring Operation: 14-6=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 14+6=20, Resulting Numbers: [20] 20,63 unequal: No Solution Moving to Node #0,0,2 Current State: 63:[14, 22], Operations: ['41-27=14', '8+14=22'] Exploring Operation: 14+22=36, Resulting Numbers: [36] 36,63 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 14*22=308, Resulting Numbers: [308] 308,63 unequal: No Solution Moving to Node #0,3,1 Current State: 63:[14, 60], Operations: ['41-8=33', '27+33=60'] Exploring Operation: 14*60=840, Resulting Numbers: [840] 840,63 unequal: No Solution Exploring Operation: 60-14=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 14+60=74, Resulting Numbers: [74] 74,63 unequal: No Solution Moving to Node #0,3,0 Current State: 63:[27, 19], Operations: ['41-8=33', '33-14=19'] Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 27*19=513, Resulting Numbers: [513] 513,63 unequal: No Solution Moving to Node #0,4,2 Current State: 63:[27, 19], Operations: ['41-14=27', '27-8=19'] Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 27*19=513, Resulting Numbers: [513] 513,63 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,63 unequal: No Solution Moving to Node #0,4,1 Current State: 63:[27, 19], Operations: ['41-14=27', '27-8=19'] Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,63 unequal: No Solution Exploring Operation: 27+19=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 27*19=513, Resulting Numbers: [513] 513,63 unequal: No Solution Moving to Node #0,4,0 Current State: 63:[8, 54], Operations: ['41-14=27', '27+27=54'] Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,63 unequal: No Solution Exploring Operation: 8*54=432, Resulting Numbers: [432] 432,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[33, 13], Operations: ['41-8=33', '27-14=13'] Exploring Operation: 33+13=46, Resulting Numbers: [46] 46,63 unequal: No Solution Exploring Operation: 33*13=429, Resulting Numbers: [429] 429,63 unequal: No Solution Exploring Operation: 33-13=20, Resulting Numbers: [20] 20,63 unequal: No Solution Moving to Node #0,3,3 Current State: 63:[27, 47], Operations: ['41-8=33', '14+33=47'] Exploring Operation: 27*47=1269, Resulting Numbers: [1269] 1269,63 unequal: No Solution Exploring Operation: 47-27=20, Resulting Numbers: [20] 20,63 unequal: No Solution Exploring Operation: 27+47=74, Resulting Numbers: [74] 74,63 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 56, 16, 70, 8 ]
84
[ "16*70=1120", "1120/8=140", "140-56=84" ]
Current State: 84:[56, 16, 70, 8], Operations: [] Exploring Operation: 16*70=1120, Resulting Numbers: [56, 8, 1120] Generated Node #2: [56, 8, 1120] from Operation: 16*70=1120 Current State: 84:[56, 8, 1120], Operations: ['16*70=1120'] Exploring Operation: 1120/8=140, Resulting Numbers: [56, 140] Generated Node #3: [56, 140] from Operation: 1120/8=140 Current State: 84:[56, 140], Operations: ['16*70=1120', '1120/8=140'] Exploring Operation: 140-56=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[56, 16, 70, 8], Operations: [] Exploring Operation: 56/8=7, Resulting Numbers: [16, 70, 7] Generated Node #0,0: 84:[16, 70, 7] Operation: 56/8=7 Exploring Operation: 70-56=14, Resulting Numbers: [16, 8, 14] Generated Node #0,1: 84:[16, 8, 14] Operation: 70-56=14 Moving to Node #0,1 Current State: 84:[16, 8, 14], Operations: ['70-56=14'] Exploring Operation: 16/8=2, Resulting Numbers: [14, 2] Generated Node #0,1,0: 84:[14, 2] Operation: 16/8=2 Exploring Operation: 16-8=8, Resulting Numbers: [14, 8] Generated Node #0,1,1: 84:[14, 8] Operation: 16-8=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 84:[14, 2], Operations: ['70-56=14', '16/8=2'] Exploring Operation: 14-2=12, Resulting Numbers: [12] 12,84 unequal: No Solution Exploring Operation: 14*2=28, Resulting Numbers: [28] 28,84 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 #0,1,1 Current State: 84:[14, 8], Operations: ['70-56=14', '16-8=8'] Exploring Operation: 14+8=22, Resulting Numbers: [22] 22,84 unequal: No Solution Exploring Operation: 14-8=6, Resulting Numbers: [6] 6,84 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: 84:[16, 70, 7], Operations: ['56/8=7'] Exploring Operation: 16+70=86, Resulting Numbers: [7, 86] Generated Node #0,0,0: 84:[7, 86] Operation: 16+70=86 Exploring Operation: 70/7=10, Resulting Numbers: [16, 10] Generated Node #0,0,1: 84:[16, 10] Operation: 70/7=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[7, 86], Operations: ['56/8=7', '16+70=86'] Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,84 unequal: No Solution Exploring Operation: 7+86=93, Resulting Numbers: [93] 93,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[16, 10], Operations: ['56/8=7', '70/7=10'] Exploring Operation: 16+10=26, Resulting Numbers: [26] 26,84 unequal: No Solution Exploring Operation: 16-10=6, Resulting Numbers: [6] 6,84 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
[ 35, 10, 39, 5 ]
23
[ "39*5=195", "35+195=230", "230/10=23" ]
Current State: 23:[35, 10, 39, 5], Operations: [] Exploring Operation: 39*5=195, Resulting Numbers: [35, 10, 195] Generated Node #2: [35, 10, 195] from Operation: 39*5=195 Current State: 23:[35, 10, 195], Operations: ['39*5=195'] Exploring Operation: 35+195=230, Resulting Numbers: [10, 230] Generated Node #3: [10, 230] from Operation: 35+195=230 Current State: 23:[10, 230], Operations: ['39*5=195', '35+195=230'] Exploring Operation: 230/10=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[35, 10, 39, 5], Operations: [] Exploring Operation: 35-5=30, Resulting Numbers: [10, 39, 30] Generated Node #0,0: 23:[10, 39, 30] Operation: 35-5=30 Exploring Operation: 39-10=29, Resulting Numbers: [35, 5, 29] Generated Node #0,1: 23:[35, 5, 29] Operation: 39-10=29 Exploring Operation: 10+5=15, Resulting Numbers: [35, 39, 15] Generated Node #0,2: 23:[35, 39, 15] Operation: 10+5=15 Exploring Operation: 35-10=25, Resulting Numbers: [39, 5, 25] Generated Node #0,3: 23:[39, 5, 25] Operation: 35-10=25 Moving to Node #0,0 Current State: 23:[10, 39, 30], Operations: ['35-5=30'] Exploring Operation: 30-10=20, Resulting Numbers: [39, 20] Generated Node #0,0,0: 23:[39, 20] Operation: 30-10=20 Exploring Operation: 39-10=29, Resulting Numbers: [30, 29] Generated Node #0,0,1: 23:[30, 29] Operation: 39-10=29 Exploring Operation: 39-30=9, Resulting Numbers: [10, 9] Generated Node #0,0,2: 23:[10, 9] Operation: 39-30=9 Exploring Operation: 10+39=49, Resulting Numbers: [30, 49] Generated Node #0,0,3: 23:[30, 49] Operation: 10+39=49 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 23:[30, 29], Operations: ['35-5=30', '39-10=29'] Exploring Operation: 30*29=870, Resulting Numbers: [870] 870,23 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 23:[39, 20], Operations: ['35-5=30', '30-10=20'] Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,23 unequal: No Solution Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 23:[10, 9], Operations: ['35-5=30', '39-30=9'] Exploring Operation: 10*9=90, Resulting Numbers: [90] 90,23 unequal: No Solution Exploring Operation: 10-9=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 10+9=19, Resulting Numbers: [19] 19,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 23:[30, 49], Operations: ['35-5=30', '10+39=49'] Exploring Operation: 30*49=1470, Resulting Numbers: [1470] 1470,23 unequal: No Solution Exploring Operation: 49-30=19, Resulting Numbers: [19] 19,23 unequal: No Solution Exploring Operation: 30+49=79, Resulting Numbers: [79] 79,23 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: 23:[35, 39, 15], Operations: ['10+5=15'] Exploring Operation: 35+15=50, Resulting Numbers: [39, 50] Generated Node #0,2,0: 23:[39, 50] Operation: 35+15=50 Exploring Operation: 39-15=24, Resulting Numbers: [35, 24] Generated Node #0,2,1: 23:[35, 24] Operation: 39-15=24 Exploring Operation: 35-15=20, Resulting Numbers: [39, 20] Generated Node #0,2,2: 23:[39, 20] Operation: 35-15=20 Exploring Operation: 39-35=4, Resulting Numbers: [15, 4] Generated Node #0,2,3: 23:[15, 4] Operation: 39-35=4 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 23:[35, 24], Operations: ['10+5=15', '39-15=24'] Exploring Operation: 35*24=840, Resulting Numbers: [840] 840,23 unequal: No Solution Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,23 unequal: No Solution Exploring Operation: 35+24=59, Resulting Numbers: [59] 59,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 23:[39, 20], Operations: ['10+5=15', '35-15=20'] Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,23 unequal: No Solution Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,23 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 23:[15, 4], Operations: ['10+5=15', '39-35=4'] Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,23 unequal: No Solution Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,23 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 23:[39, 50], Operations: ['10+5=15', '35+15=50'] Exploring Operation: 39+50=89, Resulting Numbers: [89] 89,23 unequal: No Solution Exploring Operation: 39*50=1950, Resulting Numbers: [1950] 1950,23 unequal: No Solution Exploring Operation: 50-39=11, Resulting Numbers: [11] 11,23 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: 23:[35, 5, 29], Operations: ['39-10=29'] Exploring Operation: 35/5=7, Resulting Numbers: [29, 7] Generated Node #0,1,0: 23:[29, 7] Operation: 35/5=7 Exploring Operation: 29-5=24, Resulting Numbers: [35, 24] Generated Node #0,1,1: 23:[35, 24] Operation: 29-5=24 Exploring Operation: 35+5=40, Resulting Numbers: [29, 40] Generated Node #0,1,2: 23:[29, 40] Operation: 35+5=40 Exploring Operation: 35-5=30, Resulting Numbers: [29, 30] Generated Node #0,1,3: 23:[29, 30] Operation: 35-5=30 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[35, 24], Operations: ['39-10=29', '29-5=24'] Exploring Operation: 35*24=840, Resulting Numbers: [840] 840,23 unequal: No Solution Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,23 unequal: No Solution Exploring Operation: 35+24=59, Resulting Numbers: [59] 59,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 23:[29, 30], Operations: ['39-10=29', '35-5=30'] Exploring Operation: 29+30=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,23 unequal: No Solution Exploring Operation: 29*30=870, Resulting Numbers: [870] 870,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[29, 7], Operations: ['39-10=29', '35/5=7'] Exploring Operation: 29-7=22, Resulting Numbers: [22] 22,23 unequal: No Solution Exploring Operation: 29+7=36, Resulting Numbers: [36] 36,23 unequal: No Solution Exploring Operation: 29*7=203, Resulting Numbers: [203] 203,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 23:[29, 40], Operations: ['39-10=29', '35+5=40'] Exploring Operation: 29*40=1160, Resulting Numbers: [1160] 1160,23 unequal: No Solution Exploring Operation: 40-29=11, Resulting Numbers: [11] 11,23 unequal: No Solution Exploring Operation: 29+40=69, Resulting Numbers: [69] 69,23 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: 23:[39, 5, 25], Operations: ['35-10=25'] Exploring Operation: 39-5=34, Resulting Numbers: [25, 34] Generated Node #0,3,0: 23:[25, 34] Operation: 39-5=34 Exploring Operation: 5+25=30, Resulting Numbers: [39, 30] Generated Node #0,3,1: 23:[39, 30] Operation: 5+25=30 Exploring Operation: 25-5=20, Resulting Numbers: [39, 20] Generated Node #0,3,2: 23:[39, 20] Operation: 25-5=20 Exploring Operation: 39+5=44, Resulting Numbers: [25, 44] Generated Node #0,3,3: 23:[25, 44] Operation: 39+5=44 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 23:[25, 34], Operations: ['35-10=25', '39-5=34'] Exploring Operation: 34-25=9, Resulting Numbers: [9] 9,23 unequal: No Solution Exploring Operation: 25*34=850, Resulting Numbers: [850] 850,23 unequal: No Solution Exploring Operation: 25+34=59, Resulting Numbers: [59] 59,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 23:[39, 20], Operations: ['35-10=25', '25-5=20'] Exploring Operation: 39*20=780, Resulting Numbers: [780] 780,23 unequal: No Solution Exploring Operation: 39+20=59, Resulting Numbers: [59] 59,23 unequal: No Solution Exploring Operation: 39-20=19, Resulting Numbers: [19] 19,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 23:[39, 30], Operations: ['35-10=25', '5+25=30'] Exploring Operation: 39+30=69, Resulting Numbers: [69] 69,23 unequal: No Solution Exploring Operation: 39*30=1170, Resulting Numbers: [1170] 1170,23 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 23:[25, 44], Operations: ['35-10=25', '39+5=44'] Exploring Operation: 25+44=69, Resulting Numbers: [69] 69,23 unequal: No Solution Exploring Operation: 44-25=19, Resulting Numbers: [19] 19,23 unequal: No Solution Exploring Operation: 25*44=1100, Resulting Numbers: [1100] 1100,23 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
[ 94, 32, 82, 75 ]
18
[ "94+32=126", "82-75=7", "126/7=18" ]
Current State: 18:[94, 32, 82, 75], Operations: [] Exploring Operation: 94+32=126, Resulting Numbers: [82, 75, 126] Generated Node #2: [82, 75, 126] from Operation: 94+32=126 Current State: 18:[82, 75, 126], Operations: ['94+32=126'] Exploring Operation: 82-75=7, Resulting Numbers: [126, 7] Generated Node #3: [126, 7] from Operation: 82-75=7 Current State: 18:[126, 7], Operations: ['94+32=126', '82-75=7'] Exploring Operation: 126/7=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[94, 32, 82, 75], Operations: [] Exploring Operation: 94-75=19, Resulting Numbers: [32, 82, 19] Generated Node #0,0: 18:[32, 82, 19] Operation: 94-75=19 Exploring Operation: 82-75=7, Resulting Numbers: [94, 32, 7] Generated Node #0,1: 18:[94, 32, 7] Operation: 82-75=7 Exploring Operation: 94-82=12, Resulting Numbers: [32, 75, 12] Generated Node #0,2: 18:[32, 75, 12] Operation: 94-82=12 Moving to Node #0,2 Current State: 18:[32, 75, 12], Operations: ['94-82=12'] Exploring Operation: 75-12=63, Resulting Numbers: [32, 63] Generated Node #0,2,0: 18:[32, 63] Operation: 75-12=63 Exploring Operation: 75-32=43, Resulting Numbers: [12, 43] Generated Node #0,2,1: 18:[12, 43] Operation: 75-32=43 Exploring Operation: 32-12=20, Resulting Numbers: [75, 20] Generated Node #0,2,2: 18:[75, 20] Operation: 32-12=20 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 18:[12, 43], Operations: ['94-82=12', '75-32=43'] Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,18 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 12*43=516, Resulting Numbers: [516] 516,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 18:[32, 63], Operations: ['94-82=12', '75-12=63'] Exploring Operation: 32*63=2016, Resulting Numbers: [2016] 2016,18 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 32+63=95, Resulting Numbers: [95] 95,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 18:[75, 20], Operations: ['94-82=12', '32-12=20'] Exploring Operation: 75+20=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 75-20=55, Resulting Numbers: [55] 55,18 unequal: No Solution Exploring Operation: 75*20=1500, Resulting Numbers: [1500] 1500,18 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: 18:[32, 82, 19], Operations: ['94-75=19'] Exploring Operation: 82-32=50, Resulting Numbers: [19, 50] Generated Node #0,0,0: 18:[19, 50] Operation: 82-32=50 Exploring Operation: 82-19=63, Resulting Numbers: [32, 63] Generated Node #0,0,1: 18:[32, 63] Operation: 82-19=63 Exploring Operation: 32-19=13, Resulting Numbers: [82, 13] Generated Node #0,0,2: 18:[82, 13] Operation: 32-19=13 Moving to Node #0,1 Current State: 18:[94, 32, 7], Operations: ['82-75=7'] Exploring Operation: 94-7=87, Resulting Numbers: [32, 87] Generated Node #0,1,0: 18:[32, 87] Operation: 94-7=87 Exploring Operation: 94-32=62, Resulting Numbers: [7, 62] Generated Node #0,1,1: 18:[7, 62] Operation: 94-32=62 Exploring Operation: 32-7=25, Resulting Numbers: [94, 25] Generated Node #0,1,2: 18:[94, 25] Operation: 32-7=25 Moving to Node #0,0,0 Current State: 18:[19, 50], Operations: ['94-75=19', '82-32=50'] Exploring Operation: 19*50=950, Resulting Numbers: [950] 950,18 unequal: No Solution Exploring Operation: 19+50=69, Resulting Numbers: [69] 69,18 unequal: No Solution Exploring Operation: 50-19=31, Resulting Numbers: [31] 31,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[7, 62], Operations: ['82-75=7', '94-32=62'] Exploring Operation: 62-7=55, Resulting Numbers: [55] 55,18 unequal: No Solution Exploring Operation: 7+62=69, Resulting Numbers: [69] 69,18 unequal: No Solution Exploring Operation: 7*62=434, Resulting Numbers: [434] 434,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[32, 63], Operations: ['94-75=19', '82-19=63'] Exploring Operation: 32+63=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 63-32=31, Resulting Numbers: [31] 31,18 unequal: No Solution Exploring Operation: 32*63=2016, Resulting Numbers: [2016] 2016,18 unequal: No Solution Moving to Node #0,0,2 Current State: 18:[82, 13], Operations: ['94-75=19', '32-19=13'] Exploring Operation: 82+13=95, Resulting Numbers: [95] 95,18 unequal: No Solution Exploring Operation: 82*13=1066, Resulting Numbers: [1066] 1066,18 unequal: No Solution Exploring Operation: 82-13=69, Resulting Numbers: [69] 69,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[94, 25], Operations: ['82-75=7', '32-7=25'] Exploring Operation: 94+25=119, Resulting Numbers: [119] 119,18 unequal: No Solution Exploring Operation: 94*25=2350, Resulting Numbers: [2350] 2350,18 unequal: No Solution Exploring Operation: 94-25=69, Resulting Numbers: [69] 69,18 unequal: No Solution Moving to Node #0,1,0 Current State: 18:[32, 87], Operations: ['82-75=7', '94-7=87'] Exploring Operation: 32+87=119, Resulting Numbers: [119] 119,18 unequal: No Solution Exploring Operation: 32*87=2784, Resulting Numbers: [2784] 2784,18 unequal: No Solution Exploring Operation: 87-32=55, Resulting Numbers: [55] 55,18 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 2, 32, 9, 9 ]
73
[ "32+9=41", "2*41=82", "82-9=73" ]
Current State: 73:[2, 32, 9, 9], Operations: [] Exploring Operation: 32+9=41, Resulting Numbers: [2, 41] Generated Node #2: [2, 41] from Operation: 32+9=41 Current State: 73:[2, 41], Operations: ['32+9=41'] Exploring Operation: 2*41=82, Resulting Numbers: [82] 82,73 equal: Goal Reached Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[2, 32, 9, 9], Operations: [] Exploring Operation: 9*9=81, Resulting Numbers: [2, 32, 81] Generated Node #0,0: 73:[2, 32, 81] Operation: 9*9=81 Exploring Operation: 2*32=64, Resulting Numbers: [9, 9, 64] Generated Node #0,1: 73:[9, 9, 64] Operation: 2*32=64 Moving to Node #0,0 Current State: 73:[2, 32, 81], Operations: ['9*9=81'] Exploring Operation: 2*32=64, Resulting Numbers: [81, 64] Generated Node #0,0,0: 73:[81, 64] Operation: 2*32=64 Exploring Operation: 2+32=34, Resulting Numbers: [81, 34] Generated Node #0,0,1: 73:[81, 34] Operation: 2+32=34 Moving to Node #0,1 Current State: 73:[9, 9, 64], Operations: ['2*32=64'] Exploring Operation: 9+9=18, Resulting Numbers: [64, 18] Generated Node #0,1,0: 73:[64, 18] Operation: 9+9=18 Exploring Operation: 9*9=81, Resulting Numbers: [64, 81] Generated Node #0,1,1: 73:[64, 81] Operation: 9*9=81 Moving to Node #0,0,0 Current State: 73:[81, 64], Operations: ['9*9=81', '2*32=64'] Exploring Operation: 81+64=145, Resulting Numbers: [145] 145,73 unequal: No Solution Exploring Operation: 81-64=17, Resulting Numbers: [17] 17,73 unequal: No Solution Moving to Node #0,1,1 Current State: 73:[64, 81], Operations: ['2*32=64', '9*9=81'] Exploring Operation: 64+81=145, Resulting Numbers: [145] 145,73 unequal: No Solution Exploring Operation: 81-64=17, Resulting Numbers: [17] 17,73 unequal: No Solution Moving to Node #0,0,1 Current State: 73:[81, 34], Operations: ['9*9=81', '2+32=34'] Exploring Operation: 81+34=115, Resulting Numbers: [115] 115,73 unequal: No Solution Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,73 unequal: No Solution Moving to Node #0,1,0 Current State: 73:[64, 18], Operations: ['2*32=64', '9+9=18'] Exploring Operation: 64-18=46, Resulting Numbers: [46] 46,73 unequal: No Solution Exploring Operation: 64+18=82, Resulting Numbers: [82] 82,73 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 28, 17, 18, 6 ]
13
[ "28-17=11", "18+6=24", "24-11=13" ]
Current State: 13:[28, 17, 18, 6], Operations: [] Exploring Operation: 28-17=11, Resulting Numbers: [18, 6, 11] Generated Node #2: [18, 6, 11] from Operation: 28-17=11 Current State: 13:[18, 6, 11], Operations: ['28-17=11'] Exploring Operation: 18+6=24, Resulting Numbers: [11, 24] Generated Node #3: [11, 24] from Operation: 18+6=24 Current State: 13:[11, 24], Operations: ['28-17=11', '18+6=24'] Exploring Operation: 24-11=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[28, 17, 18, 6], Operations: [] Exploring Operation: 28-6=22, Resulting Numbers: [17, 18, 22] Generated Node #0,0: 13:[17, 18, 22] Operation: 28-6=22 Exploring Operation: 17-6=11, Resulting Numbers: [28, 18, 11] Generated Node #0,1: 13:[28, 18, 11] Operation: 17-6=11 Exploring Operation: 28-18=10, Resulting Numbers: [17, 6, 10] Generated Node #0,2: 13:[17, 6, 10] Operation: 28-18=10 Exploring Operation: 18-6=12, Resulting Numbers: [28, 17, 12] Generated Node #0,3: 13:[28, 17, 12] Operation: 18-6=12 Exploring Operation: 28-17=11, Resulting Numbers: [18, 6, 11] Generated Node #0,4: 13:[18, 6, 11] Operation: 28-17=11 Moving to Node #0,2 Current State: 13:[17, 6, 10], Operations: ['28-18=10'] Exploring Operation: 17-10=7, Resulting Numbers: [6, 7] Generated Node #0,2,0: 13:[6, 7] Operation: 17-10=7 Exploring Operation: 17-6=11, Resulting Numbers: [10, 11] Generated Node #0,2,1: 13:[10, 11] Operation: 17-6=11 Exploring Operation: 10-6=4, Resulting Numbers: [17, 4] Generated Node #0,2,2: 13:[17, 4] Operation: 10-6=4 Exploring Operation: 6+10=16, Resulting Numbers: [17, 16] Generated Node #0,2,3: 13:[17, 16] Operation: 6+10=16 Exploring Operation: 17+6=23, Resulting Numbers: [10, 23] Generated Node #0,2,4: 13:[10, 23] Operation: 17+6=23 Moving to Node #0,4 Current State: 13:[18, 6, 11], Operations: ['28-17=11'] Exploring Operation: 18-11=7, Resulting Numbers: [6, 7] Generated Node #0,4,0: 13:[6, 7] Operation: 18-11=7 Exploring Operation: 18-6=12, Resulting Numbers: [11, 12] Generated Node #0,4,1: 13:[11, 12] Operation: 18-6=12 Exploring Operation: 6+11=17, Resulting Numbers: [18, 17] Generated Node #0,4,2: 13:[18, 17] Operation: 6+11=17 Exploring Operation: 18/6=3, Resulting Numbers: [11, 3] Generated Node #0,4,3: 13:[11, 3] Operation: 18/6=3 Exploring Operation: 18+6=24, Resulting Numbers: [11, 24] Generated Node #0,4,4: 13:[11, 24] Operation: 18+6=24 Moving to Node #0,0 Current State: 13:[17, 18, 22], Operations: ['28-6=22'] Exploring Operation: 18-17=1, Resulting Numbers: [22, 1] Generated Node #0,0,0: 13:[22, 1] Operation: 18-17=1 Exploring Operation: 17+18=35, Resulting Numbers: [22, 35] Generated Node #0,0,1: 13:[22, 35] Operation: 17+18=35 Exploring Operation: 22-18=4, Resulting Numbers: [17, 4] Generated Node #0,0,2: 13:[17, 4] Operation: 22-18=4 Exploring Operation: 17+22=39, Resulting Numbers: [18, 39] Generated Node #0,0,3: 13:[18, 39] Operation: 17+22=39 Exploring Operation: 22-17=5, Resulting Numbers: [18, 5] Generated Node #0,0,4: 13:[18, 5] Operation: 22-17=5 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 13:[17, 4], Operations: ['28-6=22', '22-18=4'] Exploring Operation: 17*4=68, Resulting Numbers: [68] 68,13 unequal: No Solution Exploring Operation: 17+4=21, Resulting Numbers: [21] 21,13 unequal: No Solution Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Moving to Node #0 Current State: 13:[28, 17, 18, 6], Operations: [] Exploring Operation: 28-6=22, Resulting Numbers: [17, 18, 22] Generated Node #0,0: 13:[17, 18, 22] Operation: 28-6=22 Moving to Node #0,0 Current State: 13:[17, 18, 22], Operations: ['28-6=22'] Exploring Operation: 22-18=4, Resulting Numbers: [17, 4] Generated Node #0,0,2: 13:[17, 4] Operation: 22-18=4 Moving to Node #0,0,2 Current State: 13:[17, 4], Operations: ['28-6=22', '22-18=4'] Exploring Operation: 17-4=13, Resulting Numbers: [13] 13,13 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_5
mult_heuristic
[ 15, 9, 2, 98 ]
52
[ "15-9=6", "98+6=104", "104/2=52" ]
Current State: 52:[15, 9, 2, 98], Operations: [] Exploring Operation: 15-9=6, Resulting Numbers: [2, 98, 6] Generated Node #2: [2, 98, 6] from Operation: 15-9=6 Current State: 52:[2, 98, 6], Operations: ['15-9=6'] Exploring Operation: 98+6=104, Resulting Numbers: [2, 104] Generated Node #3: [2, 104] from Operation: 98+6=104 Current State: 52:[2, 104], Operations: ['15-9=6', '98+6=104'] Exploring Operation: 104/2=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[15, 9, 2, 98], Operations: [] Exploring Operation: 98-9=89, Resulting Numbers: [15, 2, 89] Generated Node #0,0: 52:[15, 2, 89] Operation: 98-9=89 Exploring Operation: 15+9=24, Resulting Numbers: [2, 98, 24] Generated Node #0,1: 52:[2, 98, 24] Operation: 15+9=24 Exploring Operation: 98-15=83, Resulting Numbers: [9, 2, 83] Generated Node #0,2: 52:[9, 2, 83] Operation: 98-15=83 Exploring Operation: 98/2=49, Resulting Numbers: [15, 9, 49] Generated Node #0,3: 52:[15, 9, 49] Operation: 98/2=49 Start Sub Search at level 1: Moving to Node #0,3 Current State: 52:[15, 9, 49], Operations: ['98/2=49'] Exploring Operation: 15+9=24, Resulting Numbers: [49, 24] Generated Node #0,3,0: 52:[49, 24] Operation: 15+9=24 Exploring Operation: 9+49=58, Resulting Numbers: [15, 58] Generated Node #0,3,1: 52:[15, 58] Operation: 9+49=58 Exploring Operation: 49-15=34, Resulting Numbers: [9, 34] Generated Node #0,3,2: 52:[9, 34] Operation: 49-15=34 Exploring Operation: 15-9=6, Resulting Numbers: [49, 6] Generated Node #0,3,3: 52:[49, 6] Operation: 15-9=6 Moving to Node #0,3,0 Current State: 52:[49, 24], Operations: ['98/2=49', '15+9=24'] Exploring Operation: 49+24=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 49*24=1176, Resulting Numbers: [1176] 1176,52 unequal: No Solution Moving to Node #0,3,3 Current State: 52:[49, 6], Operations: ['98/2=49', '15-9=6'] Exploring Operation: 49+6=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 49*6=294, Resulting Numbers: [294] 294,52 unequal: No Solution Exploring Operation: 49-6=43, Resulting Numbers: [43] 43,52 unequal: No Solution Moving to Node #0,3,1 Current State: 52:[15, 58], Operations: ['98/2=49', '9+49=58'] Exploring Operation: 15*58=870, Resulting Numbers: [870] 870,52 unequal: No Solution Exploring Operation: 15+58=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 58-15=43, Resulting Numbers: [43] 43,52 unequal: No Solution Moving to Node #0,3,2 Current State: 52:[9, 34], Operations: ['98/2=49', '49-15=34'] Exploring Operation: 9+34=43, Resulting Numbers: [43] 43,52 unequal: No Solution Exploring Operation: 34-9=25, Resulting Numbers: [25] 25,52 unequal: No Solution Exploring Operation: 9*34=306, Resulting Numbers: [306] 306,52 unequal: No Solution No 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:[9, 2, 83], Operations: ['98-15=83'] Exploring Operation: 9-2=7, Resulting Numbers: [83, 7] Generated Node #0,2,0: 52:[83, 7] Operation: 9-2=7 Exploring Operation: 83-2=81, Resulting Numbers: [9, 81] Generated Node #0,2,1: 52:[9, 81] Operation: 83-2=81 Exploring Operation: 9+2=11, Resulting Numbers: [83, 11] Generated Node #0,2,2: 52:[83, 11] Operation: 9+2=11 Exploring Operation: 83-9=74, Resulting Numbers: [2, 74] Generated Node #0,2,3: 52:[2, 74] Operation: 83-9=74 Moving to Node #0,2,3 Current State: 52:[2, 74], Operations: ['98-15=83', '83-9=74'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,52 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[83, 11], Operations: ['98-15=83', '9+2=11'] Exploring Operation: 83-11=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 83*11=913, Resulting Numbers: [913] 913,52 unequal: No Solution Exploring Operation: 83+11=94, Resulting Numbers: [94] 94,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[9, 81], Operations: ['98-15=83', '83-2=81'] Exploring Operation: 81/9=9, Resulting Numbers: [9] 9,52 unequal: No Solution Exploring Operation: 81-9=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 9+81=90, Resulting Numbers: [90] 90,52 unequal: No Solution Exploring Operation: 9*81=729, Resulting Numbers: [729] 729,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[83, 7], Operations: ['98-15=83', '9-2=7'] Exploring Operation: 83-7=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 83+7=90, Resulting Numbers: [90] 90,52 unequal: No Solution Exploring Operation: 83*7=581, Resulting Numbers: [581] 581,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 52:[15, 2, 89], Operations: ['98-9=89'] Exploring Operation: 15+2=17, Resulting Numbers: [89, 17] Generated Node #0,0,0: 52:[89, 17] Operation: 15+2=17 Exploring Operation: 89-2=87, Resulting Numbers: [15, 87] Generated Node #0,0,1: 52:[15, 87] Operation: 89-2=87 Exploring Operation: 15-2=13, Resulting Numbers: [89, 13] Generated Node #0,0,2: 52:[89, 13] Operation: 15-2=13 Exploring Operation: 89-15=74, Resulting Numbers: [2, 74] Generated Node #0,0,3: 52:[2, 74] Operation: 89-15=74 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 52:[2, 74], Operations: ['98-9=89', '89-15=74'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,52 unequal: No Solution Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,52 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 #0,0,1 Current State: 52:[15, 87], Operations: ['98-9=89', '89-2=87'] Exploring Operation: 15*87=1305, Resulting Numbers: [1305] 1305,52 unequal: No Solution Exploring Operation: 87-15=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 15+87=102, Resulting Numbers: [102] 102,52 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 #0,0,2 Current State: 52:[89, 13], Operations: ['98-9=89', '15-2=13'] Exploring Operation: 89*13=1157, Resulting Numbers: [1157] 1157,52 unequal: No Solution Exploring Operation: 89-13=76, Resulting Numbers: [76] 76,52 unequal: No Solution Exploring Operation: 89+13=102, Resulting Numbers: [102] 102,52 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 #0,0,0 Current State: 52:[89, 17], Operations: ['98-9=89', '15+2=17'] Exploring Operation: 89+17=106, Resulting Numbers: [106] 106,52 unequal: No Solution Exploring Operation: 89*17=1513, Resulting Numbers: [1513] 1513,52 unequal: No Solution Exploring Operation: 89-17=72, Resulting Numbers: [72] 72,52 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 #0,1 Current State: 52:[2, 98, 24], Operations: ['15+9=24'] Exploring Operation: 98/2=49, Resulting Numbers: [24, 49] Generated Node #0,1,0: 52:[24, 49] Operation: 98/2=49 Exploring Operation: 98-24=74, Resulting Numbers: [2, 74] Generated Node #0,1,1: 52:[2, 74] Operation: 98-24=74 Exploring Operation: 2+24=26, Resulting Numbers: [98, 26] Generated Node #0,1,2: 52:[98, 26] Operation: 2+24=26 Exploring Operation: 98-2=96, Resulting Numbers: [24, 96] Generated Node #0,1,3: 52:[24, 96] Operation: 98-2=96 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 52:[24, 49], Operations: ['15+9=24', '98/2=49'] Exploring Operation: 24+49=73, Resulting Numbers: [73] 73,52 unequal: No Solution Exploring Operation: 24*49=1176, Resulting Numbers: [1176] 1176,52 unequal: No Solution Exploring Operation: 49-24=25, Resulting Numbers: [25] 25,52 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 #0,1,1 Current State: 52:[2, 74], Operations: ['15+9=24', '98-24=74'] Exploring Operation: 74/2=37, Resulting Numbers: [37] 37,52 unequal: No Solution Exploring Operation: 74-2=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 2*74=148, Resulting Numbers: [148] 148,52 unequal: No Solution Exploring Operation: 2+74=76, Resulting Numbers: [76] 76,52 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 #0,1,2 Current State: 52:[98, 26], Operations: ['15+9=24', '2+24=26'] Exploring Operation: 98-26=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 98+26=124, Resulting Numbers: [124] 124,52 unequal: No Solution Exploring Operation: 98*26=2548, Resulting Numbers: [2548] 2548,52 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 #0,1,3 Current State: 52:[24, 96], Operations: ['15+9=24', '98-2=96'] Exploring Operation: 24+96=120, Resulting Numbers: [120] 120,52 unequal: No Solution Exploring Operation: 96-24=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 24*96=2304, Resulting Numbers: [2304] 2304,52 unequal: No Solution Exploring Operation: 96/24=4, Resulting Numbers: [4] 4,52 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 No solution found.
0
hs_4
mult_heuristic
[ 35, 6, 61, 65 ]
97
[ "35-6=29", "61+65=126", "126-29=97" ]
Current State: 97:[35, 6, 61, 65], Operations: [] Exploring Operation: 35-6=29, Resulting Numbers: [61, 65, 29] Generated Node #2: [61, 65, 29] from Operation: 35-6=29 Current State: 97:[61, 65, 29], Operations: ['35-6=29'] Exploring Operation: 61+65=126, Resulting Numbers: [29, 126] Generated Node #3: [29, 126] from Operation: 61+65=126 Current State: 97:[29, 126], Operations: ['35-6=29', '61+65=126'] Exploring Operation: 126-29=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[35, 6, 61, 65], Operations: [] Exploring Operation: 35+6=41, Resulting Numbers: [61, 65, 41] Generated Node #0,0: 97:[61, 65, 41] Operation: 35+6=41 Exploring Operation: 35+61=96, Resulting Numbers: [6, 65, 96] Generated Node #0,1: 97:[6, 65, 96] Operation: 35+61=96 Moving to Node #0,0 Current State: 97:[61, 65, 41], Operations: ['35+6=41'] Exploring Operation: 61+41=102, Resulting Numbers: [65, 102] Generated Node #0,0,0: 97:[65, 102] Operation: 61+41=102 Exploring Operation: 65+41=106, Resulting Numbers: [61, 106] Generated Node #0,0,1: 97:[61, 106] Operation: 65+41=106 Moving to Node #0,1 Current State: 97:[6, 65, 96], Operations: ['35+61=96'] Exploring Operation: 6+96=102, Resulting Numbers: [65, 102] Generated Node #0,1,0: 97:[65, 102] Operation: 6+96=102 Exploring Operation: 6+65=71, Resulting Numbers: [96, 71] Generated Node #0,1,1: 97:[96, 71] Operation: 6+65=71 Moving to Node #0,1,1 Current State: 97:[96, 71], Operations: ['35+61=96', '6+65=71'] Exploring Operation: 96-71=25, Resulting Numbers: [25] 25,97 unequal: No Solution Exploring Operation: 96+71=167, Resulting Numbers: [167] 167,97 unequal: No Solution Moving to Node #0,0,0 Current State: 97:[65, 102], Operations: ['35+6=41', '61+41=102'] Exploring Operation: 65+102=167, Resulting Numbers: [167] 167,97 unequal: No Solution Exploring Operation: 102-65=37, Resulting Numbers: [37] 37,97 unequal: No Solution Moving to Node #0,1,0 Current State: 97:[65, 102], Operations: ['35+61=96', '6+96=102'] Exploring Operation: 102-65=37, Resulting Numbers: [37] 37,97 unequal: No Solution Exploring Operation: 65+102=167, Resulting Numbers: [167] 167,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[61, 106], Operations: ['35+6=41', '65+41=106'] Exploring Operation: 61+106=167, Resulting Numbers: [167] 167,97 unequal: No Solution Exploring Operation: 106-61=45, Resulting Numbers: [45] 45,97 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 28, 63, 5, 34 ]
33
[ "34-28=6", "5*6=30", "63-30=33" ]
Current State: 33:[28, 63, 5, 34], Operations: [] Exploring Operation: 34-28=6, Resulting Numbers: [63, 5, 6] Generated Node #2: [63, 5, 6] from Operation: 34-28=6 Current State: 33:[63, 5, 6], Operations: ['34-28=6'] Exploring Operation: 5*6=30, Resulting Numbers: [63, 30] Generated Node #3: [63, 30] from Operation: 5*6=30 Current State: 33:[63, 30], Operations: ['34-28=6', '5*6=30'] Exploring Operation: 63-30=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[28, 63, 5, 34], Operations: [] Exploring Operation: 28+5=33, Resulting Numbers: [63, 34, 33] Generated Node #0,0: 33:[63, 34, 33] Operation: 28+5=33 Exploring Operation: 63-34=29, Resulting Numbers: [28, 5, 29] Generated Node #0,1: 33:[28, 5, 29] Operation: 63-34=29 Exploring Operation: 63-28=35, Resulting Numbers: [5, 34, 35] Generated Node #0,2: 33:[5, 34, 35] Operation: 63-28=35 Moving to Node #0,2 Current State: 33:[5, 34, 35], Operations: ['63-28=35'] Exploring Operation: 35/5=7, Resulting Numbers: [34, 7] Generated Node #0,2,0: 33:[34, 7] Operation: 35/5=7 Exploring Operation: 35-5=30, Resulting Numbers: [34, 30] Generated Node #0,2,1: 33:[34, 30] Operation: 35-5=30 Exploring Operation: 35-34=1, Resulting Numbers: [5, 1] Generated Node #0,2,2: 33:[5, 1] Operation: 35-34=1 Moving to Node #0,1 Current State: 33:[28, 5, 29], Operations: ['63-34=29'] Exploring Operation: 5+29=34, Resulting Numbers: [28, 34] Generated Node #0,1,0: 33:[28, 34] Operation: 5+29=34 Exploring Operation: 29-28=1, Resulting Numbers: [5, 1] Generated Node #0,1,1: 33:[5, 1] Operation: 29-28=1 Exploring Operation: 28+5=33, Resulting Numbers: [29, 33] Generated Node #0,1,2: 33:[29, 33] Operation: 28+5=33 Moving to Node #0,0 Current State: 33:[63, 34, 33], Operations: ['28+5=33'] Exploring Operation: 34-33=1, Resulting Numbers: [63, 1] Generated Node #0,0,0: 33:[63, 1] Operation: 34-33=1 Exploring Operation: 63-34=29, Resulting Numbers: [33, 29] Generated Node #0,0,1: 33:[33, 29] Operation: 63-34=29 Exploring Operation: 63-33=30, Resulting Numbers: [34, 30] Generated Node #0,0,2: 33:[34, 30] Operation: 63-33=30 Moving to Node #0,2,1 Current State: 33:[34, 30], Operations: ['63-28=35', '35-5=30'] Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 34+30=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 34*30=1020, Resulting Numbers: [1020] 1020,33 unequal: No Solution Moving to Node #0,0,1 Current State: 33:[33, 29], Operations: ['28+5=33', '63-34=29'] Exploring Operation: 33+29=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 33*29=957, Resulting Numbers: [957] 957,33 unequal: No Solution Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,33 unequal: No Solution Moving to Node #0,2,2 Current State: 33:[5, 1], Operations: ['63-28=35', '35-34=1'] Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,33 unequal: No Solution Moving to Node #0,1,2 Current State: 33:[29, 33], Operations: ['63-34=29', '28+5=33'] Exploring Operation: 29*33=957, Resulting Numbers: [957] 957,33 unequal: No Solution Exploring Operation: 29+33=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 33-29=4, Resulting Numbers: [4] 4,33 unequal: No Solution Moving to Node #0,0,2 Current State: 33:[34, 30], Operations: ['28+5=33', '63-33=30'] Exploring Operation: 34+30=64, Resulting Numbers: [64] 64,33 unequal: No Solution Exploring Operation: 34-30=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 34*30=1020, Resulting Numbers: [1020] 1020,33 unequal: No Solution Moving to Node #0,1,1 Current State: 33:[5, 1], Operations: ['63-34=29', '29-28=1'] Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,33 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,33 unequal: No Solution Exploring Operation: 5/1=5, Resulting Numbers: [5] 5,33 unequal: No Solution Moving to Node #0,2,0 Current State: 33:[34, 7], Operations: ['63-28=35', '35/5=7'] Exploring Operation: 34-7=27, Resulting Numbers: [27] 27,33 unequal: No Solution Exploring Operation: 34*7=238, Resulting Numbers: [238] 238,33 unequal: No Solution Exploring Operation: 34+7=41, Resulting Numbers: [41] 41,33 unequal: No Solution Moving to Node #0,1,0 Current State: 33:[28, 34], Operations: ['63-34=29', '5+29=34'] Exploring Operation: 34-28=6, Resulting Numbers: [6] 6,33 unequal: No Solution Exploring Operation: 28+34=62, Resulting Numbers: [62] 62,33 unequal: No Solution Exploring Operation: 28*34=952, Resulting Numbers: [952] 952,33 unequal: No Solution Moving to Node #0,0,0 Current State: 33:[63, 1], Operations: ['28+5=33', '34-33=1'] Exploring Operation: 63*1=63, Resulting Numbers: [63] 63,33 unequal: No Solution Exploring Operation: 63/1=63, Resulting Numbers: [63] 63,33 unequal: No Solution Exploring Operation: 63-1=62, Resulting Numbers: [62] 62,33 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 6, 25, 8, 6 ]
21
[ "25-6=19", "8-6=2", "19+2=21" ]
Current State: 21:[6, 25, 8, 6], Operations: [] Exploring Operation: 25-6=19, Resulting Numbers: [8, 19] Generated Node #2: [8, 19] from Operation: 25-6=19 Current State: 21:[8, 19], Operations: ['25-6=19'] Exploring Operation: 8-6=2, Resulting Numbers: [19, 2] Generated Node #3: [19, 2] from Operation: 8-6=2 Current State: 21:[19, 2], Operations: ['25-6=19', '8-6=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[6, 25, 8, 6], Operations: [] Exploring Operation: 25-8=17, Resulting Numbers: [6, 6, 17] Generated Node #0,0: 21:[6, 6, 17] Operation: 25-8=17 Exploring Operation: 25-6=19, Resulting Numbers: [6, 8, 19] Generated Node #0,1: 21:[6, 8, 19] Operation: 25-6=19 Exploring Operation: 8-6=2, Resulting Numbers: [6, 25, 2] Generated Node #0,2: 21:[6, 25, 2] Operation: 8-6=2 Exploring Operation: 8-6=2, Resulting Numbers: [25, 6, 2] Generated Node #0,3: 21:[25, 6, 2] Operation: 8-6=2 Exploring Operation: 25-6=19, Resulting Numbers: [8, 6, 19] Generated Node #0,4: 21:[8, 6, 19] Operation: 25-6=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[6, 8, 19], Operations: ['25-6=19'] Exploring Operation: 19-8=11, Resulting Numbers: [6, 11] Generated Node #0,1,0: 21:[6, 11] Operation: 19-8=11 Exploring Operation: 19-6=13, Resulting Numbers: [8, 13] Generated Node #0,1,1: 21:[8, 13] Operation: 19-6=13 Exploring Operation: 6+19=25, Resulting Numbers: [8, 25] Generated Node #0,1,2: 21:[8, 25] Operation: 6+19=25 Exploring Operation: 8+19=27, Resulting Numbers: [6, 27] Generated Node #0,1,3: 21:[6, 27] Operation: 8+19=27 Exploring Operation: 8-6=2, Resulting Numbers: [19, 2] Generated Node #0,1,4: 21:[19, 2] Operation: 8-6=2 Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 21:[19, 2], Operations: ['25-6=19', '8-6=2'] Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,21 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[6, 25, 8, 6], Operations: [] Exploring Operation: 25-6=19, Resulting Numbers: [6, 8, 19] Generated Node #0,1: 21:[6, 8, 19] Operation: 25-6=19 Moving to Node #0,1 Current State: 21:[6, 8, 19], Operations: ['25-6=19'] Exploring Operation: 8-6=2, Resulting Numbers: [19, 2] Generated Node #0,1,4: 21:[19, 2] Operation: 8-6=2 Moving to Node #0,1,4 Current State: 21:[19, 2], Operations: ['25-6=19', '8-6=2'] Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 75, 31, 23, 58 ]
37
[ "75-31=44", "23+58=81", "81-44=37" ]
Current State: 37:[75, 31, 23, 58], Operations: [] Exploring Operation: 75-31=44, Resulting Numbers: [23, 58, 44] Generated Node #2: [23, 58, 44] from Operation: 75-31=44 Current State: 37:[23, 58, 44], Operations: ['75-31=44'] Exploring Operation: 23+58=81, Resulting Numbers: [44, 81] Generated Node #3: [44, 81] from Operation: 23+58=81 Current State: 37:[44, 81], Operations: ['75-31=44', '23+58=81'] Exploring Operation: 81-44=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[75, 31, 23, 58], Operations: [] Exploring Operation: 75-58=17, Resulting Numbers: [31, 23, 17] Generated Node #0,0: 37:[31, 23, 17] Operation: 75-58=17 Moving to Node #0,0 Current State: 37:[31, 23, 17], Operations: ['75-58=17'] Exploring Operation: 23+17=40, Resulting Numbers: [31, 40] Generated Node #0,0,0: 37:[31, 40] Operation: 23+17=40 Moving to Node #0,0,0 Current State: 37:[31, 40], Operations: ['75-58=17', '23+17=40'] Exploring Operation: 40-31=9, Resulting Numbers: [9] 9,37 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 7, 61, 5, 59 ]
14
[ "7+61=68", "59-5=54", "68-54=14" ]
Current State: 14:[7, 61, 5, 59], Operations: [] Exploring Operation: 7+61=68, Resulting Numbers: [5, 59, 68] Generated Node #2: [5, 59, 68] from Operation: 7+61=68 Current State: 14:[5, 59, 68], Operations: ['7+61=68'] Exploring Operation: 59-5=54, Resulting Numbers: [68, 54] Generated Node #3: [68, 54] from Operation: 59-5=54 Current State: 14:[68, 54], Operations: ['7+61=68', '59-5=54'] Exploring Operation: 68-54=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[7, 61, 5, 59], Operations: [] Exploring Operation: 61-59=2, Resulting Numbers: [7, 5, 2] Generated Node #0,0: 14:[7, 5, 2] Operation: 61-59=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[7, 5, 2], Operations: ['61-59=2'] Exploring Operation: 7-5=2, Resulting Numbers: [2, 2] Generated Node #0,0,0: 14:[2, 2] Operation: 7-5=2 Moving to Node #0,0,0 Current State: 14:[2, 2], Operations: ['61-59=2', '7-5=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,14 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 90, 54, 98, 9 ]
55
[ "90+54=144", "98-9=89", "144-89=55" ]
Current State: 55:[90, 54, 98, 9], Operations: [] Exploring Operation: 90+54=144, Resulting Numbers: [98, 9, 144] Generated Node #2: [98, 9, 144] from Operation: 90+54=144 Current State: 55:[98, 9, 144], Operations: ['90+54=144'] Exploring Operation: 98-9=89, Resulting Numbers: [144, 89] Generated Node #3: [144, 89] from Operation: 98-9=89 Current State: 55:[144, 89], Operations: ['90+54=144', '98-9=89'] Exploring Operation: 144-89=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[90, 54, 98, 9], Operations: [] Exploring Operation: 98-90=8, Resulting Numbers: [54, 9, 8] Generated Node #0,0: 55:[54, 9, 8] Operation: 98-90=8 Exploring Operation: 90/9=10, Resulting Numbers: [54, 98, 10] Generated Node #0,1: 55:[54, 98, 10] Operation: 90/9=10 Exploring Operation: 90-9=81, Resulting Numbers: [54, 98, 81] Generated Node #0,2: 55:[54, 98, 81] Operation: 90-9=81 Exploring Operation: 90-54=36, Resulting Numbers: [98, 9, 36] Generated Node #0,3: 55:[98, 9, 36] Operation: 90-54=36 Exploring Operation: 98-54=44, Resulting Numbers: [90, 9, 44] Generated Node #0,4: 55:[90, 9, 44] Operation: 98-54=44 Start Sub Search at level 1: Moving to Node #0,0 Current State: 55:[54, 9, 8], Operations: ['98-90=8'] Exploring Operation: 9-8=1, Resulting Numbers: [54, 1] Generated Node #0,0,0: 55:[54, 1] Operation: 9-8=1 Exploring Operation: 54/9=6, Resulting Numbers: [8, 6] Generated Node #0,0,1: 55:[8, 6] Operation: 54/9=6 Exploring Operation: 54+8=62, Resulting Numbers: [9, 62] Generated Node #0,0,2: 55:[9, 62] Operation: 54+8=62 Exploring Operation: 9+8=17, Resulting Numbers: [54, 17] Generated Node #0,0,3: 55:[54, 17] Operation: 9+8=17 Exploring Operation: 54+9=63, Resulting Numbers: [8, 63] Generated Node #0,0,4: 55:[8, 63] Operation: 54+9=63 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 55:[8, 6], Operations: ['98-90=8', '54/9=6'] Exploring Operation: 8-6=2, Resulting Numbers: [2] 2,55 unequal: No Solution Exploring Operation: 8*6=48, Resulting Numbers: [48] 48,55 unequal: No Solution Exploring Operation: 8+6=14, Resulting Numbers: [14] 14,55 unequal: No Solution No 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: 55:[54, 1], Operations: ['98-90=8', '9-8=1'] Exploring Operation: 54-1=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 54*1=54, Resulting Numbers: [54] 54,55 unequal: No Solution Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[90, 54, 98, 9], Operations: [] Exploring Operation: 98-90=8, Resulting Numbers: [54, 9, 8] Generated Node #0,0: 55:[54, 9, 8] Operation: 98-90=8 Moving to Node #0,0 Current State: 55:[54, 9, 8], Operations: ['98-90=8'] Exploring Operation: 9-8=1, Resulting Numbers: [54, 1] Generated Node #0,0,0: 55:[54, 1] Operation: 9-8=1 Moving to Node #0,0,0 Current State: 55:[54, 1], Operations: ['98-90=8', '9-8=1'] Exploring Operation: 54+1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.982639
hs_5
mult_heuristic
[ 3, 6, 55, 26 ]
98
[ "3+55=58", "6*26=156", "156-58=98" ]
Current State: 98:[3, 6, 55, 26], Operations: [] Exploring Operation: 3+55=58, Resulting Numbers: [6, 26, 58] Generated Node #2: [6, 26, 58] from Operation: 3+55=58 Current State: 98:[6, 26, 58], Operations: ['3+55=58'] Exploring Operation: 6*26=156, Resulting Numbers: [58, 156] Generated Node #3: [58, 156] from Operation: 6*26=156 Current State: 98:[58, 156], Operations: ['3+55=58', '6*26=156'] Exploring Operation: 156-58=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[3, 6, 55, 26], Operations: [] Exploring Operation: 55-3=52, Resulting Numbers: [6, 26, 52] Generated Node #0,0: 98:[6, 26, 52] Operation: 55-3=52 Exploring Operation: 55-6=49, Resulting Numbers: [3, 26, 49] Generated Node #0,1: 98:[3, 26, 49] Operation: 55-6=49 Exploring Operation: 26-6=20, Resulting Numbers: [3, 55, 20] Generated Node #0,2: 98:[3, 55, 20] Operation: 26-6=20 Moving to Node #0,1 Current State: 98:[3, 26, 49], Operations: ['55-6=49'] Exploring Operation: 49-26=23, Resulting Numbers: [3, 23] Generated Node #0,1,0: 98:[3, 23] Operation: 49-26=23 Exploring Operation: 26-3=23, Resulting Numbers: [49, 23] Generated Node #0,1,1: 98:[49, 23] Operation: 26-3=23 Exploring Operation: 3+26=29, Resulting Numbers: [49, 29] Generated Node #0,1,2: 98:[49, 29] Operation: 3+26=29 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 98:[49, 23], Operations: ['55-6=49', '26-3=23'] Exploring Operation: 49-23=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 49+23=72, Resulting Numbers: [72] 72,98 unequal: No Solution Exploring Operation: 49*23=1127, Resulting Numbers: [1127] 1127,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 98:[3, 23], Operations: ['55-6=49', '49-26=23'] Exploring Operation: 3*23=69, Resulting Numbers: [69] 69,98 unequal: No Solution Exploring Operation: 3+23=26, Resulting Numbers: [26] 26,98 unequal: No Solution Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 98:[49, 29], Operations: ['55-6=49', '3+26=29'] Exploring Operation: 49*29=1421, Resulting Numbers: [1421] 1421,98 unequal: No Solution Exploring Operation: 49-29=20, Resulting Numbers: [20] 20,98 unequal: No Solution Exploring Operation: 49+29=78, Resulting Numbers: [78] 78,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 98:[3, 55, 20], Operations: ['26-6=20'] Exploring Operation: 20-3=17, Resulting Numbers: [55, 17] Generated Node #0,2,0: 98:[55, 17] Operation: 20-3=17 Exploring Operation: 3+55=58, Resulting Numbers: [20, 58] Generated Node #0,2,1: 98:[20, 58] Operation: 3+55=58 Exploring Operation: 55-3=52, Resulting Numbers: [20, 52] Generated Node #0,2,2: 98:[20, 52] Operation: 55-3=52 Moving to Node #0,0 Current State: 98:[6, 26, 52], Operations: ['55-3=52'] Exploring Operation: 52-26=26, Resulting Numbers: [6, 26] Generated Node #0,0,0: 98:[6, 26] Operation: 52-26=26 Exploring Operation: 52/26=2, Resulting Numbers: [6, 2] Generated Node #0,0,1: 98:[6, 2] Operation: 52/26=2 Exploring Operation: 26-6=20, Resulting Numbers: [52, 20] Generated Node #0,0,2: 98:[52, 20] Operation: 26-6=20 Moving to Node #0,0,1 Current State: 98:[6, 2], Operations: ['55-3=52', '52/26=2'] Exploring Operation: 6*2=12, Resulting Numbers: [12] 12,98 unequal: No Solution Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,98 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[55, 17], Operations: ['26-6=20', '20-3=17'] Exploring Operation: 55-17=38, Resulting Numbers: [38] 38,98 unequal: No Solution Exploring Operation: 55+17=72, Resulting Numbers: [72] 72,98 unequal: No Solution Exploring Operation: 55*17=935, Resulting Numbers: [935] 935,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[52, 20], Operations: ['55-3=52', '26-6=20'] Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 52*20=1040, Resulting Numbers: [1040] 1040,98 unequal: No Solution Exploring Operation: 52+20=72, Resulting Numbers: [72] 72,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[20, 52], Operations: ['26-6=20', '55-3=52'] Exploring Operation: 52-20=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 20*52=1040, Resulting Numbers: [1040] 1040,98 unequal: No Solution Exploring Operation: 20+52=72, Resulting Numbers: [72] 72,98 unequal: No Solution Moving to Node #0,0,0 Current State: 98:[6, 26], Operations: ['55-3=52', '52-26=26'] Exploring Operation: 6+26=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 26-6=20, Resulting Numbers: [20] 20,98 unequal: No Solution Exploring Operation: 6*26=156, Resulting Numbers: [156] 156,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[20, 58], Operations: ['26-6=20', '3+55=58'] Exploring Operation: 58-20=38, Resulting Numbers: [38] 38,98 unequal: No Solution Exploring Operation: 20+58=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 20*58=1160, Resulting Numbers: [1160] 1160,98 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 45, 85, 29, 80 ]
53
[ "85*29=2465", "2465-80=2385", "2385/45=53" ]
Current State: 53:[45, 85, 29, 80], Operations: [] Exploring Operation: 85*29=2465, Resulting Numbers: [45, 80, 2465] Generated Node #2: [45, 80, 2465] from Operation: 85*29=2465 Current State: 53:[45, 80, 2465], Operations: ['85*29=2465'] Exploring Operation: 2465-80=2385, Resulting Numbers: [45, 2385] Generated Node #3: [45, 2385] from Operation: 2465-80=2385 Current State: 53:[45, 2385], Operations: ['85*29=2465', '2465-80=2385'] Exploring Operation: 2385/45=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[45, 85, 29, 80], Operations: [] Exploring Operation: 85-29=56, Resulting Numbers: [45, 80, 56] Generated Node #0,0: 53:[45, 80, 56] Operation: 85-29=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[45, 80, 56], Operations: ['85-29=56'] Exploring Operation: 80-45=35, Resulting Numbers: [56, 35] Generated Node #0,0,0: 53:[56, 35] Operation: 80-45=35 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[56, 35], Operations: ['85-29=56', '80-45=35'] Exploring Operation: 56-35=21, Resulting Numbers: [21] 21,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 12, 83, 82, 77 ]
66
[ "83-12=71", "82-77=5", "71-5=66" ]
Current State: 66:[12, 83, 82, 77], Operations: [] Exploring Operation: 83-12=71, Resulting Numbers: [82, 77, 71] Generated Node #2: [82, 77, 71] from Operation: 83-12=71 Current State: 66:[82, 77, 71], Operations: ['83-12=71'] Exploring Operation: 82-77=5, Resulting Numbers: [71, 5] Generated Node #3: [71, 5] from Operation: 82-77=5 Current State: 66:[71, 5], Operations: ['83-12=71', '82-77=5'] Exploring Operation: 71-5=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[12, 83, 82, 77], Operations: [] Exploring Operation: 83-82=1, Resulting Numbers: [12, 77, 1] Generated Node #0,0: 66:[12, 77, 1] Operation: 83-82=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[12, 77, 1], Operations: ['83-82=1'] Exploring Operation: 77-12=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 66:[1, 65] Operation: 77-12=65 Moving to Node #0,0,0 Current State: 66:[1, 65], Operations: ['83-82=1', '77-12=65'] Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[12, 83, 82, 77], Operations: [] Exploring Operation: 83-82=1, Resulting Numbers: [12, 77, 1] Generated Node #0,0: 66:[12, 77, 1] Operation: 83-82=1 Moving to Node #0,0 Current State: 66:[12, 77, 1], Operations: ['83-82=1'] Exploring Operation: 77-12=65, Resulting Numbers: [1, 65] Generated Node #0,0,0: 66:[1, 65] Operation: 77-12=65 Moving to Node #0,0,0 Current State: 66:[1, 65], Operations: ['83-82=1', '77-12=65'] Exploring Operation: 1+65=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 53, 47, 39, 12 ]
73
[ "53+47=100", "39-12=27", "100-27=73" ]
Current State: 73:[53, 47, 39, 12], Operations: [] Exploring Operation: 53+47=100, Resulting Numbers: [39, 12, 100] Generated Node #2: [39, 12, 100] from Operation: 53+47=100 Current State: 73:[39, 12, 100], Operations: ['53+47=100'] Exploring Operation: 39-12=27, Resulting Numbers: [100, 27] Generated Node #3: [100, 27] from Operation: 39-12=27 Current State: 73:[100, 27], Operations: ['53+47=100', '39-12=27'] Exploring Operation: 100-27=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[53, 47, 39, 12], Operations: [] Exploring Operation: 53+12=65, Resulting Numbers: [47, 39, 65] Generated Node #0,0: 73:[47, 39, 65] Operation: 53+12=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[47, 39, 65], Operations: ['53+12=65'] Exploring Operation: 47+39=86, Resulting Numbers: [65, 86] Generated Node #0,0,0: 73:[65, 86] Operation: 47+39=86 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 73:[65, 86], Operations: ['53+12=65', '47+39=86'] Exploring Operation: 86-65=21, Resulting Numbers: [21] 21,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 78, 21, 54, 37 ]
18
[ "78*21=1638", "54+37=91", "1638/91=18" ]
Current State: 18:[78, 21, 54, 37], Operations: [] Exploring Operation: 78*21=1638, Resulting Numbers: [54, 37, 1638] Generated Node #2: [54, 37, 1638] from Operation: 78*21=1638 Current State: 18:[54, 37, 1638], Operations: ['78*21=1638'] Exploring Operation: 54+37=91, Resulting Numbers: [1638, 91] Generated Node #3: [1638, 91] from Operation: 54+37=91 Current State: 18:[1638, 91], Operations: ['78*21=1638', '54+37=91'] Exploring Operation: 1638/91=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[78, 21, 54, 37], Operations: [] Exploring Operation: 78-37=41, Resulting Numbers: [21, 54, 41] Generated Node #0,0: 18:[21, 54, 41] Operation: 78-37=41 Exploring Operation: 54-37=17, Resulting Numbers: [78, 21, 17] Generated Node #0,1: 18:[78, 21, 17] Operation: 54-37=17 Exploring Operation: 78-54=24, Resulting Numbers: [21, 37, 24] Generated Node #0,2: 18:[21, 37, 24] Operation: 78-54=24 Start Sub Search at level 1: Moving to Node #0,2 Current State: 18:[21, 37, 24], Operations: ['78-54=24'] Exploring Operation: 24-21=3, Resulting Numbers: [37, 3] Generated Node #0,2,0: 18:[37, 3] Operation: 24-21=3 Exploring Operation: 37-21=16, Resulting Numbers: [24, 16] Generated Node #0,2,1: 18:[24, 16] Operation: 37-21=16 Exploring Operation: 37-24=13, Resulting Numbers: [21, 13] Generated Node #0,2,2: 18:[21, 13] Operation: 37-24=13 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 18:[21, 13], Operations: ['78-54=24', '37-24=13'] Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,18 unequal: No Solution Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 21*13=273, Resulting Numbers: [273] 273,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 18:[24, 16], Operations: ['78-54=24', '37-21=16'] Exploring Operation: 24+16=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 24*16=384, Resulting Numbers: [384] 384,18 unequal: No Solution Exploring Operation: 24-16=8, Resulting Numbers: [8] 8,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 18:[37, 3], Operations: ['78-54=24', '24-21=3'] Exploring Operation: 37+3=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 37*3=111, Resulting Numbers: [111] 111,18 unequal: No Solution Exploring Operation: 37-3=34, Resulting Numbers: [34] 34,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[21, 54, 41], Operations: ['78-37=41'] Exploring Operation: 54-21=33, Resulting Numbers: [41, 33] Generated Node #0,0,0: 18:[41, 33] Operation: 54-21=33 Exploring Operation: 41-21=20, Resulting Numbers: [54, 20] Generated Node #0,0,1: 18:[54, 20] Operation: 41-21=20 Exploring Operation: 54-41=13, Resulting Numbers: [21, 13] Generated Node #0,0,2: 18:[21, 13] Operation: 54-41=13 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 18:[21, 13], Operations: ['78-37=41', '54-41=13'] Exploring Operation: 21-13=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 21*13=273, Resulting Numbers: [273] 273,18 unequal: No Solution Exploring Operation: 21+13=34, Resulting Numbers: [34] 34,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[41, 33], Operations: ['78-37=41', '54-21=33'] Exploring Operation: 41*33=1353, Resulting Numbers: [1353] 1353,18 unequal: No Solution Exploring Operation: 41+33=74, Resulting Numbers: [74] 74,18 unequal: No Solution Exploring Operation: 41-33=8, Resulting Numbers: [8] 8,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 18:[54, 20], Operations: ['78-37=41', '41-21=20'] Exploring Operation: 54+20=74, Resulting Numbers: [74] 74,18 unequal: No Solution Exploring Operation: 54*20=1080, Resulting Numbers: [1080] 1080,18 unequal: No Solution Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[78, 21, 17], Operations: ['54-37=17'] Exploring Operation: 78-21=57, Resulting Numbers: [17, 57] Generated Node #0,1,0: 18:[17, 57] Operation: 78-21=57 Exploring Operation: 21-17=4, Resulting Numbers: [78, 4] Generated Node #0,1,1: 18:[78, 4] Operation: 21-17=4 Exploring Operation: 78-17=61, Resulting Numbers: [21, 61] Generated Node #0,1,2: 18:[21, 61] Operation: 78-17=61 Moving to Node #0,1,0 Current State: 18:[17, 57], Operations: ['54-37=17', '78-21=57'] Exploring Operation: 57-17=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 17*57=969, Resulting Numbers: [969] 969,18 unequal: No Solution Exploring Operation: 17+57=74, Resulting Numbers: [74] 74,18 unequal: No Solution Moving to Node #0,1,2 Current State: 18:[21, 61], Operations: ['54-37=17', '78-17=61'] Exploring Operation: 21*61=1281, Resulting Numbers: [1281] 1281,18 unequal: No Solution Exploring Operation: 61-21=40, Resulting Numbers: [40] 40,18 unequal: No Solution Exploring Operation: 21+61=82, Resulting Numbers: [82] 82,18 unequal: No Solution Moving to Node #0,1,1 Current State: 18:[78, 4], Operations: ['54-37=17', '21-17=4'] Exploring Operation: 78+4=82, Resulting Numbers: [82] 82,18 unequal: No Solution Exploring Operation: 78-4=74, Resulting Numbers: [74] 74,18 unequal: No Solution Exploring Operation: 78*4=312, Resulting Numbers: [312] 312,18 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 89, 33, 41, 88 ]
78
[ "41-33=8", "88/8=11", "89-11=78" ]
Current State: 78:[89, 33, 41, 88], Operations: [] Exploring Operation: 41-33=8, Resulting Numbers: [89, 88, 8] Generated Node #2: [89, 88, 8] from Operation: 41-33=8 Current State: 78:[89, 88, 8], Operations: ['41-33=8'] Exploring Operation: 88/8=11, Resulting Numbers: [89, 11] Generated Node #3: [89, 11] from Operation: 88/8=11 Current State: 78:[89, 11], Operations: ['41-33=8', '88/8=11'] Exploring Operation: 89-11=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[89, 33, 41, 88], Operations: [] Exploring Operation: 89-88=1, Resulting Numbers: [33, 41, 1] Generated Node #0,0: 78:[33, 41, 1] Operation: 89-88=1 Exploring Operation: 41-33=8, Resulting Numbers: [89, 88, 8] Generated Node #0,1: 78:[89, 88, 8] Operation: 41-33=8 Exploring Operation: 89-41=48, Resulting Numbers: [33, 88, 48] Generated Node #0,2: 78:[33, 88, 48] Operation: 89-41=48 Moving to Node #0,0 Current State: 78:[33, 41, 1], Operations: ['89-88=1'] Exploring Operation: 41-33=8, Resulting Numbers: [1, 8] Generated Node #0,0,0: 78:[1, 8] Operation: 41-33=8 Exploring Operation: 33+41=74, Resulting Numbers: [1, 74] Generated Node #0,0,1: 78:[1, 74] Operation: 33+41=74 Exploring Operation: 33+1=34, Resulting Numbers: [41, 34] Generated Node #0,0,2: 78:[41, 34] Operation: 33+1=34 Moving to Node #0,1 Current State: 78:[89, 88, 8], Operations: ['41-33=8'] Exploring Operation: 89-8=81, Resulting Numbers: [88, 81] Generated Node #0,1,0: 78:[88, 81] Operation: 89-8=81 Exploring Operation: 88-8=80, Resulting Numbers: [89, 80] Generated Node #0,1,1: 78:[89, 80] Operation: 88-8=80 Exploring Operation: 89-88=1, Resulting Numbers: [8, 1] Generated Node #0,1,2: 78:[8, 1] Operation: 89-88=1 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 78:[8, 1], Operations: ['41-33=8', '89-88=1'] Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 78:[88, 81], Operations: ['41-33=8', '89-8=81'] Exploring Operation: 88-81=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 88+81=169, Resulting Numbers: [169] 169,78 unequal: No Solution Exploring Operation: 88*81=7128, Resulting Numbers: [7128] 7128,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 78:[89, 80], Operations: ['41-33=8', '88-8=80'] Exploring Operation: 89+80=169, Resulting Numbers: [169] 169,78 unequal: No Solution Exploring Operation: 89-80=9, Resulting Numbers: [9] 9,78 unequal: No Solution Exploring Operation: 89*80=7120, Resulting Numbers: [7120] 7120,78 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: 78:[33, 88, 48], Operations: ['89-41=48'] Exploring Operation: 48-33=15, Resulting Numbers: [88, 15] Generated Node #0,2,0: 78:[88, 15] Operation: 48-33=15 Exploring Operation: 33+48=81, Resulting Numbers: [88, 81] Generated Node #0,2,1: 78:[88, 81] Operation: 33+48=81 Exploring Operation: 88-48=40, Resulting Numbers: [33, 40] Generated Node #0,2,2: 78:[33, 40] Operation: 88-48=40 Moving to Node #0,0,0 Current State: 78:[1, 8], Operations: ['89-88=1', '41-33=8'] Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,78 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 1*8=8, Resulting Numbers: [8] 8,78 unequal: No Solution Moving to Node #0,0,1 Current State: 78:[1, 74], Operations: ['89-88=1', '33+41=74'] Exploring Operation: 74/1=74, Resulting Numbers: [74] 74,78 unequal: No Solution Exploring Operation: 1*74=74, Resulting Numbers: [74] 74,78 unequal: No Solution Exploring Operation: 1+74=75, Resulting Numbers: [75] 75,78 unequal: No Solution Moving to Node #0,0,2 Current State: 78:[41, 34], Operations: ['89-88=1', '33+1=34'] Exploring Operation: 41+34=75, Resulting Numbers: [75] 75,78 unequal: No Solution Exploring Operation: 41-34=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 41*34=1394, Resulting Numbers: [1394] 1394,78 unequal: No Solution Moving to Node #0,2,2 Current State: 78:[33, 40], Operations: ['89-41=48', '88-48=40'] Exploring Operation: 40-33=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 33+40=73, Resulting Numbers: [73] 73,78 unequal: No Solution Exploring Operation: 33*40=1320, Resulting Numbers: [1320] 1320,78 unequal: No Solution Moving to Node #0,2,0 Current State: 78:[88, 15], Operations: ['89-41=48', '48-33=15'] Exploring Operation: 88+15=103, Resulting Numbers: [103] 103,78 unequal: No Solution Exploring Operation: 88*15=1320, Resulting Numbers: [1320] 1320,78 unequal: No Solution Exploring Operation: 88-15=73, Resulting Numbers: [73] 73,78 unequal: No Solution Moving to Node #0,2,1 Current State: 78:[88, 81], Operations: ['89-41=48', '33+48=81'] Exploring Operation: 88*81=7128, Resulting Numbers: [7128] 7128,78 unequal: No Solution Exploring Operation: 88-81=7, Resulting Numbers: [7] 7,78 unequal: No Solution Exploring Operation: 88+81=169, Resulting Numbers: [169] 169,78 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 2, 57, 9, 8 ]
47
[ "2*9=18", "57+8=65", "65-18=47" ]
Current State: 47:[2, 57, 9, 8], Operations: [] Exploring Operation: 2*9=18, Resulting Numbers: [57, 8, 18] Generated Node #2: [57, 8, 18] from Operation: 2*9=18 Current State: 47:[57, 8, 18], Operations: ['2*9=18'] Exploring Operation: 57+8=65, Resulting Numbers: [18, 65] Generated Node #3: [18, 65] from Operation: 57+8=65 Current State: 47:[18, 65], Operations: ['2*9=18', '57+8=65'] Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[2, 57, 9, 8], Operations: [] Exploring Operation: 2*9=18, Resulting Numbers: [57, 8, 18] Generated Node #0,0: 47:[57, 8, 18] Operation: 2*9=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[57, 8, 18], Operations: ['2*9=18'] Exploring Operation: 57-8=49, Resulting Numbers: [18, 49] Generated Node #0,0,0: 47:[18, 49] Operation: 57-8=49 Moving to Node #0,0,0 Current State: 47:[18, 49], Operations: ['2*9=18', '57-8=49'] Exploring Operation: 49-18=31, Resulting Numbers: [31] 31,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 54, 76, 11, 22 ]
44
[ "76-54=22", "22/11=2", "22*2=44" ]
Current State: 44:[54, 76, 11, 22], Operations: [] Exploring Operation: 76-54=22, Resulting Numbers: [11, 22, 22] Generated Node #2: [11, 22, 22] from Operation: 76-54=22 Current State: 44:[11, 22, 22], Operations: ['76-54=22'] Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,44 equal: Goal Reached Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,44 equal: Goal Reached
4
Current State: 44:[54, 76, 11, 22], Operations: [] Exploring Operation: 76-54=22, Resulting Numbers: [11, 22, 22] Generated Node #0,0: 44:[11, 22, 22] Operation: 76-54=22 Moving to Node #0,0 Current State: 44:[11, 22, 22], Operations: ['76-54=22'] Exploring Operation: 22-11=11, Resulting Numbers: [22, 11] Generated Node #0,0,0: 44:[22, 11] Operation: 22-11=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 44:[22, 11], Operations: ['76-54=22', '22-11=11'] Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,44 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
[ 3, 6, 79, 17 ]
10
[ "6+17=23", "3*23=69", "79-69=10" ]
Current State: 10:[3, 6, 79, 17], Operations: [] Exploring Operation: 6+17=23, Resulting Numbers: [3, 79, 23] Generated Node #2: [3, 79, 23] from Operation: 6+17=23 Current State: 10:[3, 79, 23], Operations: ['6+17=23'] Exploring Operation: 3*23=69, Resulting Numbers: [79, 69] Generated Node #3: [79, 69] from Operation: 3*23=69 Current State: 10:[79, 69], Operations: ['6+17=23', '3*23=69'] Exploring Operation: 79-69=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[3, 6, 79, 17], Operations: [] Exploring Operation: 17-6=11, Resulting Numbers: [3, 79, 11] Generated Node #0,0: 10:[3, 79, 11] Operation: 17-6=11 Exploring Operation: 79-17=62, Resulting Numbers: [3, 6, 62] Generated Node #0,1: 10:[3, 6, 62] Operation: 79-17=62 Exploring Operation: 79-6=73, Resulting Numbers: [3, 17, 73] Generated Node #0,2: 10:[3, 17, 73] Operation: 79-6=73 Moving to Node #0,1 Current State: 10:[3, 6, 62], Operations: ['79-17=62'] Exploring Operation: 62-6=56, Resulting Numbers: [3, 56] Generated Node #0,1,0: 10:[3, 56] Operation: 62-6=56 Exploring Operation: 62-3=59, Resulting Numbers: [6, 59] Generated Node #0,1,1: 10:[6, 59] Operation: 62-3=59 Exploring Operation: 6/3=2, Resulting Numbers: [62, 2] Generated Node #0,1,2: 10:[62, 2] Operation: 6/3=2 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 10:[3, 56], Operations: ['79-17=62', '62-6=56'] Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,10 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,10 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,10 unequal: No Solution No 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: 10:[6, 59], Operations: ['79-17=62', '62-3=59'] Exploring Operation: 59-6=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 6+59=65, Resulting Numbers: [65] 65,10 unequal: No Solution Exploring Operation: 6*59=354, Resulting Numbers: [354] 354,10 unequal: No Solution No 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: 10:[62, 2], Operations: ['79-17=62', '6/3=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,10 unequal: No Solution Exploring Operation: 62/2=31, Resulting Numbers: [31] 31,10 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,10 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: 10:[3, 79, 11], Operations: ['17-6=11'] Exploring Operation: 79-11=68, Resulting Numbers: [3, 68] Generated Node #0,0,0: 10:[3, 68] Operation: 79-11=68 Exploring Operation: 79-3=76, Resulting Numbers: [11, 76] Generated Node #0,0,1: 10:[11, 76] Operation: 79-3=76 Exploring Operation: 11-3=8, Resulting Numbers: [79, 8] Generated Node #0,0,2: 10:[79, 8] Operation: 11-3=8 Moving to Node #0,2 Current State: 10:[3, 17, 73], Operations: ['79-6=73'] Exploring Operation: 17-3=14, Resulting Numbers: [73, 14] Generated Node #0,2,0: 10:[73, 14] Operation: 17-3=14 Exploring Operation: 73-3=70, Resulting Numbers: [17, 70] Generated Node #0,2,1: 10:[17, 70] Operation: 73-3=70 Exploring Operation: 73-17=56, Resulting Numbers: [3, 56] Generated Node #0,2,2: 10:[3, 56] Operation: 73-17=56 Moving to Node #0,2,2 Current State: 10:[3, 56], Operations: ['79-6=73', '73-17=56'] Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,10 unequal: No Solution Exploring Operation: 3*56=168, Resulting Numbers: [168] 168,10 unequal: No Solution Exploring Operation: 56-3=53, Resulting Numbers: [53] 53,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[3, 68], Operations: ['17-6=11', '79-11=68'] Exploring Operation: 68-3=65, Resulting Numbers: [65] 65,10 unequal: No Solution Exploring Operation: 3*68=204, Resulting Numbers: [204] 204,10 unequal: No Solution Exploring Operation: 3+68=71, Resulting Numbers: [71] 71,10 unequal: No Solution Moving to Node #0,2,1 Current State: 10:[17, 70], Operations: ['79-6=73', '73-3=70'] Exploring Operation: 70-17=53, Resulting Numbers: [53] 53,10 unequal: No Solution Exploring Operation: 17+70=87, Resulting Numbers: [87] 87,10 unequal: No Solution Exploring Operation: 17*70=1190, Resulting Numbers: [1190] 1190,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[73, 14], Operations: ['79-6=73', '17-3=14'] Exploring Operation: 73*14=1022, Resulting Numbers: [1022] 1022,10 unequal: No Solution Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,10 unequal: No Solution Exploring Operation: 73+14=87, Resulting Numbers: [87] 87,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[11, 76], Operations: ['17-6=11', '79-3=76'] Exploring Operation: 11*76=836, Resulting Numbers: [836] 836,10 unequal: No Solution Exploring Operation: 76-11=65, Resulting Numbers: [65] 65,10 unequal: No Solution Exploring Operation: 11+76=87, Resulting Numbers: [87] 87,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[79, 8], Operations: ['17-6=11', '11-3=8'] Exploring Operation: 79-8=71, Resulting Numbers: [71] 71,10 unequal: No Solution Exploring Operation: 79+8=87, Resulting Numbers: [87] 87,10 unequal: No Solution Exploring Operation: 79*8=632, Resulting Numbers: [632] 632,10 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 47, 24, 46, 69 ]
47
[ "24+46=70", "70-69=1", "47*1=47" ]
Current State: 47:[47, 24, 46, 69], Operations: [] Exploring Operation: 24+46=70, Resulting Numbers: [47, 69, 70] Generated Node #2: [47, 69, 70] from Operation: 24+46=70 Current State: 47:[47, 69, 70], Operations: ['24+46=70'] Exploring Operation: 70-69=1, Resulting Numbers: [47, 1] Generated Node #3: [47, 1] from Operation: 70-69=1 Current State: 47:[47, 1], Operations: ['24+46=70', '70-69=1'] Exploring Operation: 47*1=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[47, 24, 46, 69], Operations: [] Exploring Operation: 47+24=71, Resulting Numbers: [46, 69, 71] Generated Node #0,0: 47:[46, 69, 71] Operation: 47+24=71 Exploring Operation: 24+46=70, Resulting Numbers: [47, 69, 70] Generated Node #0,1: 47:[47, 69, 70] Operation: 24+46=70 Exploring Operation: 69-24=45, Resulting Numbers: [47, 46, 45] Generated Node #0,2: 47:[47, 46, 45] Operation: 69-24=45 Moving to Node #0,2 Current State: 47:[47, 46, 45], Operations: ['69-24=45'] Exploring Operation: 46+45=91, Resulting Numbers: [47, 91] Generated Node #0,2,0: 47:[47, 91] Operation: 46+45=91 Exploring Operation: 47+45=92, Resulting Numbers: [46, 92] Generated Node #0,2,1: 47:[46, 92] Operation: 47+45=92 Exploring Operation: 47-45=2, Resulting Numbers: [46, 2] Generated Node #0,2,2: 47:[46, 2] Operation: 47-45=2 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[47, 91], Operations: ['69-24=45', '46+45=91'] Exploring Operation: 91-47=44, Resulting Numbers: [44] 44,47 unequal: No Solution Exploring Operation: 47+91=138, Resulting Numbers: [138] 138,47 unequal: No Solution Exploring Operation: 47*91=4277, Resulting Numbers: [4277] 4277,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[46, 92], Operations: ['69-24=45', '47+45=92'] Exploring Operation: 92/46=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 46+92=138, Resulting Numbers: [138] 138,47 unequal: No Solution Exploring Operation: 92-46=46, Resulting Numbers: [46] 46,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[46, 2], Operations: ['69-24=45', '47-45=2'] Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,47 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 47:[47, 69, 70], Operations: ['24+46=70'] Exploring Operation: 70-69=1, Resulting Numbers: [47, 1] Generated Node #0,1,0: 47:[47, 1] Operation: 70-69=1 Exploring Operation: 69-47=22, Resulting Numbers: [70, 22] Generated Node #0,1,1: 47:[70, 22] Operation: 69-47=22 Exploring Operation: 70-47=23, Resulting Numbers: [69, 23] Generated Node #0,1,2: 47:[69, 23] Operation: 70-47=23 Moving to Node #0,0 Current State: 47:[46, 69, 71], Operations: ['47+24=71'] Exploring Operation: 69-46=23, Resulting Numbers: [71, 23] Generated Node #0,0,0: 47:[71, 23] Operation: 69-46=23 Exploring Operation: 71-46=25, Resulting Numbers: [69, 25] Generated Node #0,0,1: 47:[69, 25] Operation: 71-46=25 Exploring Operation: 71-69=2, Resulting Numbers: [46, 2] Generated Node #0,0,2: 47:[46, 2] Operation: 71-69=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[69, 25], Operations: ['47+24=71', '71-46=25'] Exploring Operation: 69+25=94, Resulting Numbers: [94] 94,47 unequal: No Solution Exploring Operation: 69*25=1725, Resulting Numbers: [1725] 1725,47 unequal: No Solution Exploring Operation: 69-25=44, Resulting Numbers: [44] 44,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 47:[46, 2], Operations: ['47+24=71', '71-69=2'] Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,47 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[71, 23], Operations: ['47+24=71', '69-46=23'] Exploring Operation: 71+23=94, Resulting Numbers: [94] 94,47 unequal: No Solution Exploring Operation: 71*23=1633, Resulting Numbers: [1633] 1633,47 unequal: No Solution Exploring Operation: 71-23=48, Resulting Numbers: [48] 48,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,0 Current State: 47:[47, 1], Operations: ['24+46=70', '70-69=1'] Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,47 unequal: No Solution Exploring Operation: 47*1=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[47, 24, 46, 69], Operations: [] Exploring Operation: 24+46=70, Resulting Numbers: [47, 69, 70] Generated Node #0,1: 47:[47, 69, 70] Operation: 24+46=70 Moving to Node #0,1 Current State: 47:[47, 69, 70], Operations: ['24+46=70'] Exploring Operation: 70-69=1, Resulting Numbers: [47, 1] Generated Node #0,1,0: 47:[47, 1] Operation: 70-69=1 Moving to Node #0,1,0 Current State: 47:[47, 1], Operations: ['24+46=70', '70-69=1'] Exploring Operation: 47*1=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
0.96875
hs_3
mult_heuristic
[ 62, 16, 73, 2 ]
25
[ "62-16=46", "73-2=71", "71-46=25" ]
Current State: 25:[62, 16, 73, 2], Operations: [] Exploring Operation: 62-16=46, Resulting Numbers: [73, 2, 46] Generated Node #2: [73, 2, 46] from Operation: 62-16=46 Current State: 25:[73, 2, 46], Operations: ['62-16=46'] Exploring Operation: 73-2=71, Resulting Numbers: [46, 71] Generated Node #3: [46, 71] from Operation: 73-2=71 Current State: 25:[46, 71], Operations: ['62-16=46', '73-2=71'] Exploring Operation: 71-46=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[62, 16, 73, 2], Operations: [] Exploring Operation: 62/2=31, Resulting Numbers: [16, 73, 31] Generated Node #0,0: 25:[16, 73, 31] Operation: 62/2=31 Exploring Operation: 73-62=11, Resulting Numbers: [16, 2, 11] Generated Node #0,1: 25:[16, 2, 11] Operation: 73-62=11 Exploring Operation: 62-16=46, Resulting Numbers: [73, 2, 46] Generated Node #0,2: 25:[73, 2, 46] Operation: 62-16=46 Start Sub Search at level 1: Moving to Node #0,1 Current State: 25:[16, 2, 11], Operations: ['73-62=11'] Exploring Operation: 16+11=27, Resulting Numbers: [2, 27] Generated Node #0,1,0: 25:[2, 27] Operation: 16+11=27 Exploring Operation: 16/2=8, Resulting Numbers: [11, 8] Generated Node #0,1,1: 25:[11, 8] Operation: 16/2=8 Exploring Operation: 16-11=5, Resulting Numbers: [2, 5] Generated Node #0,1,2: 25:[2, 5] Operation: 16-11=5 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 25:[2, 5], Operations: ['73-62=11', '16-11=5'] Exploring Operation: 2*5=10, Resulting Numbers: [10] 10,25 unequal: No Solution Exploring Operation: 2+5=7, Resulting Numbers: [7] 7,25 unequal: No Solution Exploring Operation: 5-2=3, Resulting Numbers: [3] 3,25 unequal: No Solution No 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: 25:[2, 27], Operations: ['73-62=11', '16+11=27'] Exploring Operation: 2+27=29, Resulting Numbers: [29] 29,25 unequal: No Solution Exploring Operation: 2*27=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[62, 16, 73, 2], Operations: [] Exploring Operation: 73-62=11, Resulting Numbers: [16, 2, 11] Generated Node #0,1: 25:[16, 2, 11] Operation: 73-62=11 Moving to Node #0,1 Current State: 25:[16, 2, 11], Operations: ['73-62=11'] Exploring Operation: 16+11=27, Resulting Numbers: [2, 27] Generated Node #0,1,0: 25:[2, 27] Operation: 16+11=27 Moving to Node #0,1,0 Current State: 25:[2, 27], Operations: ['73-62=11', '16+11=27'] Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 40, 1, 35, 79 ]
70
[ "1+79=80", "80/40=2", "35*2=70" ]
Current State: 70:[40, 1, 35, 79], Operations: [] Exploring Operation: 1+79=80, Resulting Numbers: [40, 35, 80] Generated Node #2: [40, 35, 80] from Operation: 1+79=80 Current State: 70:[40, 35, 80], Operations: ['1+79=80'] Exploring Operation: 80/40=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 80/40=2 Current State: 70:[35, 2], Operations: ['1+79=80', '80/40=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[40, 1, 35, 79], Operations: [] Exploring Operation: 79-40=39, Resulting Numbers: [1, 35, 39] Generated Node #0,0: 70:[1, 35, 39] Operation: 79-40=39 Exploring Operation: 40-1=39, Resulting Numbers: [35, 79, 39] Generated Node #0,1: 70:[35, 79, 39] Operation: 40-1=39 Exploring Operation: 40-35=5, Resulting Numbers: [1, 79, 5] Generated Node #0,2: 70:[1, 79, 5] Operation: 40-35=5 Exploring Operation: 79-1=78, Resulting Numbers: [40, 35, 78] Generated Node #0,3: 70:[40, 35, 78] Operation: 79-1=78 Exploring Operation: 40*1=40, Resulting Numbers: [35, 79, 40] Generated Node #0,4: 70:[35, 79, 40] Operation: 40*1=40 Moving to Node #0,0 Current State: 70:[1, 35, 39], Operations: ['79-40=39'] Exploring Operation: 39-35=4, Resulting Numbers: [1, 4] Generated Node #0,0,0: 70:[1, 4] Operation: 39-35=4 Exploring Operation: 39-1=38, Resulting Numbers: [35, 38] Generated Node #0,0,1: 70:[35, 38] Operation: 39-1=38 Exploring Operation: 35/1=35, Resulting Numbers: [39, 35] Generated Node #0,0,2: 70:[39, 35] Operation: 35/1=35 Exploring Operation: 1*35=35, Resulting Numbers: [39, 35] Generated Node #0,0,3: 70:[39, 35] Operation: 1*35=35 Exploring Operation: 1*39=39, Resulting Numbers: [35, 39] Generated Node #0,0,4: 70:[35, 39] Operation: 1*39=39 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[1, 4], Operations: ['79-40=39', '39-35=4'] Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 70:[35, 38], Operations: ['79-40=39', '39-1=38'] Exploring Operation: 38-35=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 35+38=73, Resulting Numbers: [73] 73,70 unequal: No Solution Exploring Operation: 35*38=1330, Resulting Numbers: [1330] 1330,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 70:[39, 35], Operations: ['79-40=39', '35/1=35'] Exploring Operation: 39*35=1365, Resulting Numbers: [1365] 1365,70 unequal: No Solution Exploring Operation: 39+35=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 70:[39, 35], Operations: ['79-40=39', '1*35=35'] Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 39*35=1365, Resulting Numbers: [1365] 1365,70 unequal: No Solution Exploring Operation: 39+35=74, Resulting Numbers: [74] 74,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 70:[35, 39], Operations: ['79-40=39', '1*39=39'] Exploring Operation: 35+39=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 35*39=1365, Resulting Numbers: [1365] 1365,70 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: 70:[1, 79, 5], Operations: ['40-35=5'] Exploring Operation: 1*79=79, Resulting Numbers: [5, 79] Generated Node #0,2,0: 70:[5, 79] Operation: 1*79=79 Exploring Operation: 79-5=74, Resulting Numbers: [1, 74] Generated Node #0,2,1: 70:[1, 74] Operation: 79-5=74 Exploring Operation: 79/1=79, Resulting Numbers: [5, 79] Generated Node #0,2,2: 70:[5, 79] Operation: 79/1=79 Exploring Operation: 79-1=78, Resulting Numbers: [5, 78] Generated Node #0,2,3: 70:[5, 78] Operation: 79-1=78 Exploring Operation: 1*5=5, Resulting Numbers: [79, 5] Generated Node #0,2,4: 70:[79, 5] Operation: 1*5=5 Moving to Node #0,1 Current State: 70:[35, 79, 39], Operations: ['40-1=39'] Exploring Operation: 79-35=44, Resulting Numbers: [39, 44] Generated Node #0,1,0: 70:[39, 44] Operation: 79-35=44 Exploring Operation: 79-39=40, Resulting Numbers: [35, 40] Generated Node #0,1,1: 70:[35, 40] Operation: 79-39=40 Exploring Operation: 35+39=74, Resulting Numbers: [79, 74] Generated Node #0,1,2: 70:[79, 74] Operation: 35+39=74 Exploring Operation: 39-35=4, Resulting Numbers: [79, 4] Generated Node #0,1,3: 70:[79, 4] Operation: 39-35=4 Exploring Operation: 35+79=114, Resulting Numbers: [39, 114] Generated Node #0,1,4: 70:[39, 114] Operation: 35+79=114 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[35, 40], Operations: ['40-1=39', '79-39=40'] Exploring Operation: 35*40=1400, Resulting Numbers: [1400] 1400,70 unequal: No Solution Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 70:[79, 4], Operations: ['40-1=39', '39-35=4'] Exploring Operation: 79*4=316, Resulting Numbers: [316] 316,70 unequal: No Solution Exploring Operation: 79+4=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[39, 44], Operations: ['40-1=39', '79-35=44'] Exploring Operation: 39*44=1716, Resulting Numbers: [1716] 1716,70 unequal: No Solution Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,70 unequal: No Solution Exploring Operation: 39+44=83, Resulting Numbers: [83] 83,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[79, 74], Operations: ['40-1=39', '35+39=74'] Exploring Operation: 79+74=153, Resulting Numbers: [153] 153,70 unequal: No Solution Exploring Operation: 79*74=5846, Resulting Numbers: [5846] 5846,70 unequal: No Solution Exploring Operation: 79-74=5, Resulting Numbers: [5] 5,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 70:[39, 114], Operations: ['40-1=39', '35+79=114'] Exploring Operation: 39+114=153, Resulting Numbers: [153] 153,70 unequal: No Solution Exploring Operation: 114-39=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 39*114=4446, Resulting Numbers: [4446] 4446,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 70:[40, 35, 78], Operations: ['79-1=78'] Exploring Operation: 78-40=38, Resulting Numbers: [35, 38] Generated Node #0,3,0: 70:[35, 38] Operation: 78-40=38 Exploring Operation: 40+78=118, Resulting Numbers: [35, 118] Generated Node #0,3,1: 70:[35, 118] Operation: 40+78=118 Exploring Operation: 78-35=43, Resulting Numbers: [40, 43] Generated Node #0,3,2: 70:[40, 43] Operation: 78-35=43 Exploring Operation: 40+35=75, Resulting Numbers: [78, 75] Generated Node #0,3,3: 70:[78, 75] Operation: 40+35=75 Exploring Operation: 40-35=5, Resulting Numbers: [78, 5] Generated Node #0,3,4: 70:[78, 5] Operation: 40-35=5 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 70:[35, 38], Operations: ['79-1=78', '78-40=38'] Exploring Operation: 38-35=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 35*38=1330, Resulting Numbers: [1330] 1330,70 unequal: No Solution Exploring Operation: 35+38=73, Resulting Numbers: [73] 73,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 70:[78, 5], Operations: ['79-1=78', '40-35=5'] Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,70 unequal: No Solution Exploring Operation: 78+5=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 78*5=390, Resulting Numbers: [390] 390,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 70:[40, 43], Operations: ['79-1=78', '78-35=43'] Exploring Operation: 43-40=3, Resulting Numbers: [3] 3,70 unequal: No Solution Exploring Operation: 40*43=1720, Resulting Numbers: [1720] 1720,70 unequal: No Solution Exploring Operation: 40+43=83, Resulting Numbers: [83] 83,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 70:[78, 75], Operations: ['79-1=78', '40+35=75'] Exploring Operation: 78*75=5850, Resulting Numbers: [5850] 5850,70 unequal: No Solution Exploring Operation: 78+75=153, Resulting Numbers: [153] 153,70 unequal: No Solution Exploring Operation: 78-75=3, Resulting Numbers: [3] 3,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 70:[35, 118], Operations: ['79-1=78', '40+78=118'] Exploring Operation: 118-35=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 35*118=4130, Resulting Numbers: [4130] 4130,70 unequal: No Solution Exploring Operation: 35+118=153, Resulting Numbers: [153] 153,70 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: 70:[35, 79, 40], Operations: ['40*1=40'] Exploring Operation: 35+79=114, Resulting Numbers: [40, 114] Generated Node #0,4,0: 70:[40, 114] Operation: 35+79=114 Exploring Operation: 79-40=39, Resulting Numbers: [35, 39] Generated Node #0,4,1: 70:[35, 39] Operation: 79-40=39 Exploring Operation: 40-35=5, Resulting Numbers: [79, 5] Generated Node #0,4,2: 70:[79, 5] Operation: 40-35=5 Exploring Operation: 35+40=75, Resulting Numbers: [79, 75] Generated Node #0,4,3: 70:[79, 75] Operation: 35+40=75 Exploring Operation: 79-35=44, Resulting Numbers: [40, 44] Generated Node #0,4,4: 70:[40, 44] Operation: 79-35=44 Moving to Node #0,4,1 Current State: 70:[35, 39], Operations: ['40*1=40', '79-40=39'] Exploring Operation: 35*39=1365, Resulting Numbers: [1365] 1365,70 unequal: No Solution Exploring Operation: 35+39=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 39-35=4, Resulting Numbers: [4] 4,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[1, 74], Operations: ['40-35=5', '79-5=74'] Exploring Operation: 1+74=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 74-1=73, Resulting Numbers: [73] 73,70 unequal: No Solution Exploring Operation: 74/1=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 1*74=74, Resulting Numbers: [74] 74,70 unequal: No Solution Moving to Node #0,2,3 Current State: 70:[5, 78], Operations: ['40-35=5', '79-1=78'] Exploring Operation: 5*78=390, Resulting Numbers: [390] 390,70 unequal: No Solution Exploring Operation: 5+78=83, Resulting Numbers: [83] 83,70 unequal: No Solution Exploring Operation: 78-5=73, Resulting Numbers: [73] 73,70 unequal: No Solution Moving to Node #0,4,2 Current State: 70:[79, 5], Operations: ['40*1=40', '40-35=5'] Exploring Operation: 79*5=395, Resulting Numbers: [395] 395,70 unequal: No Solution Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 79+5=84, Resulting Numbers: [84] 84,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[5, 79], Operations: ['40-35=5', '1*79=79'] Exploring Operation: 5+79=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 5*79=395, Resulting Numbers: [395] 395,70 unequal: No Solution Moving to Node #0,2,4 Current State: 70:[79, 5], Operations: ['40-35=5', '1*5=5'] Exploring Operation: 79+5=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 79*5=395, Resulting Numbers: [395] 395,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[5, 79], Operations: ['40-35=5', '79/1=79'] Exploring Operation: 5+79=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 79-5=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 5*79=395, Resulting Numbers: [395] 395,70 unequal: No Solution Moving to Node #0,4,3 Current State: 70:[79, 75], Operations: ['40*1=40', '35+40=75'] Exploring Operation: 79+75=154, Resulting Numbers: [154] 154,70 unequal: No Solution Exploring Operation: 79*75=5925, Resulting Numbers: [5925] 5925,70 unequal: No Solution Exploring Operation: 79-75=4, Resulting Numbers: [4] 4,70 unequal: No Solution Moving to Node #0,4,4 Current State: 70:[40, 44], Operations: ['40*1=40', '79-35=44'] Exploring Operation: 44-40=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 40*44=1760, Resulting Numbers: [1760] 1760,70 unequal: No Solution Exploring Operation: 40+44=84, Resulting Numbers: [84] 84,70 unequal: No Solution Moving to Node #0,4,0 Current State: 70:[40, 114], Operations: ['40*1=40', '35+79=114'] Exploring Operation: 40+114=154, Resulting Numbers: [154] 154,70 unequal: No Solution Exploring Operation: 114-40=74, Resulting Numbers: [74] 74,70 unequal: No Solution Exploring Operation: 40*114=4560, Resulting Numbers: [4560] 4560,70 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 86, 82, 21, 7 ]
18
[ "86-82=4", "21-7=14", "4+14=18" ]
Current State: 18:[86, 82, 21, 7], Operations: [] Exploring Operation: 86-82=4, Resulting Numbers: [21, 7, 4] Generated Node #2: [21, 7, 4] from Operation: 86-82=4 Current State: 18:[21, 7, 4], Operations: ['86-82=4'] Exploring Operation: 21-7=14, Resulting Numbers: [4, 14] Generated Node #3: [4, 14] from Operation: 21-7=14 Current State: 18:[4, 14], Operations: ['86-82=4', '21-7=14'] Exploring Operation: 4+14=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[86, 82, 21, 7], Operations: [] Exploring Operation: 86-82=4, Resulting Numbers: [21, 7, 4] Generated Node #0,0: 18:[21, 7, 4] Operation: 86-82=4 Exploring Operation: 82-21=61, Resulting Numbers: [86, 7, 61] Generated Node #0,1: 18:[86, 7, 61] Operation: 82-21=61 Exploring Operation: 86-7=79, Resulting Numbers: [82, 21, 79] Generated Node #0,2: 18:[82, 21, 79] Operation: 86-7=79 Exploring Operation: 82-7=75, Resulting Numbers: [86, 21, 75] Generated Node #0,3: 18:[86, 21, 75] Operation: 82-7=75 Exploring Operation: 86-21=65, Resulting Numbers: [82, 7, 65] Generated Node #0,4: 18:[82, 7, 65] Operation: 86-21=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[21, 7, 4], Operations: ['86-82=4'] Exploring Operation: 7+4=11, Resulting Numbers: [21, 11] Generated Node #0,0,0: 18:[21, 11] Operation: 7+4=11 Exploring Operation: 7-4=3, Resulting Numbers: [21, 3] Generated Node #0,0,1: 18:[21, 3] Operation: 7-4=3 Exploring Operation: 21/7=3, Resulting Numbers: [4, 3] Generated Node #0,0,2: 18:[4, 3] Operation: 21/7=3 Exploring Operation: 21-4=17, Resulting Numbers: [7, 17] Generated Node #0,0,3: 18:[7, 17] Operation: 21-4=17 Exploring Operation: 21-7=14, Resulting Numbers: [4, 14] Generated Node #0,0,4: 18:[4, 14] Operation: 21-7=14 Moving to Node #0,0,2 Current State: 18:[4, 3], Operations: ['86-82=4', '21/7=3'] Exploring Operation: 4*3=12, Resulting Numbers: [12] 12,18 unequal: No Solution Exploring Operation: 4+3=7, Resulting Numbers: [7] 7,18 unequal: No Solution Exploring Operation: 4-3=1, Resulting Numbers: [1] 1,18 unequal: No Solution Moving to Node #0,0,3 Current State: 18:[7, 17], Operations: ['86-82=4', '21-4=17'] Exploring Operation: 7*17=119, Resulting Numbers: [119] 119,18 unequal: No Solution Exploring Operation: 7+17=24, Resulting Numbers: [24] 24,18 unequal: No Solution Exploring Operation: 17-7=10, Resulting Numbers: [10] 10,18 unequal: No Solution Moving to Node #0,0,1 Current State: 18:[21, 3], Operations: ['86-82=4', '7-4=3'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[86, 82, 21, 7], Operations: [] Exploring Operation: 86-82=4, Resulting Numbers: [21, 7, 4] Generated Node #0,0: 18:[21, 7, 4] Operation: 86-82=4 Moving to Node #0,0 Current State: 18:[21, 7, 4], Operations: ['86-82=4'] Exploring Operation: 7-4=3, Resulting Numbers: [21, 3] Generated Node #0,0,1: 18:[21, 3] Operation: 7-4=3 Moving to Node #0,0,1 Current State: 18:[21, 3], Operations: ['86-82=4', '7-4=3'] Exploring Operation: 21-3=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
mult_heuristic