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
[ 93, 5, 79, 68 ]
38
[ "79-68=11", "5*11=55", "93-55=38" ]
Current State: 38:[93, 5, 79, 68], Operations: [] Exploring Operation: 79-68=11, Resulting Numbers: [93, 5, 11] Generated Node #2: [93, 5, 11] from Operation: 79-68=11 Current State: 38:[93, 5, 11], Operations: ['79-68=11'] Exploring Operation: 5*11=55, Resulting Numbers: [93, 55] Generated Node #3: [93, 55] from Operation: 5*11=55 Current State: 38:[93, 55], Operations: ['79-68=11', '5*11=55'] Exploring Operation: 93-55=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[93, 5, 79, 68], Operations: [] Exploring Operation: 93-79=14, Resulting Numbers: [5, 68, 14] Generated Node #0,0: 38:[5, 68, 14] Operation: 93-79=14 Exploring Operation: 79-68=11, Resulting Numbers: [93, 5, 11] Generated Node #0,1: 38:[93, 5, 11] Operation: 79-68=11 Exploring Operation: 93-68=25, Resulting Numbers: [5, 79, 25] Generated Node #0,2: 38:[5, 79, 25] Operation: 93-68=25 Start Sub Search at level 1: Moving to Node #0,0 Current State: 38:[5, 68, 14], Operations: ['93-79=14'] Exploring Operation: 68-5=63, Resulting Numbers: [14, 63] Generated Node #0,0,0: 38:[14, 63] Operation: 68-5=63 Exploring Operation: 5+14=19, Resulting Numbers: [68, 19] Generated Node #0,0,1: 38:[68, 19] Operation: 5+14=19 Exploring Operation: 68-14=54, Resulting Numbers: [5, 54] Generated Node #0,0,2: 38:[5, 54] Operation: 68-14=54 Moving to Node #0,0,2 Current State: 38:[5, 54], Operations: ['93-79=14', '68-14=54'] Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,38 unequal: No Solution Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,38 unequal: No Solution Moving to Node #0,0,0 Current State: 38:[14, 63], Operations: ['93-79=14', '68-5=63'] Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 14*63=882, Resulting Numbers: [882] 882,38 unequal: No Solution Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,38 unequal: No Solution Moving to Node #0,0,1 Current State: 38:[68, 19], Operations: ['93-79=14', '5+14=19'] Exploring Operation: 68*19=1292, Resulting Numbers: [1292] 1292,38 unequal: No Solution Exploring Operation: 68-19=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 68+19=87, Resulting Numbers: [87] 87,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 38:[5, 79, 25], Operations: ['93-68=25'] Exploring Operation: 79-5=74, Resulting Numbers: [25, 74] Generated Node #0,2,0: 38:[25, 74] Operation: 79-5=74 Exploring Operation: 79-25=54, Resulting Numbers: [5, 54] Generated Node #0,2,1: 38:[5, 54] Operation: 79-25=54 Exploring Operation: 25-5=20, Resulting Numbers: [79, 20] Generated Node #0,2,2: 38:[79, 20] Operation: 25-5=20 Moving to Node #0,2,1 Current State: 38:[5, 54], Operations: ['93-68=25', '79-25=54'] Exploring Operation: 5*54=270, Resulting Numbers: [270] 270,38 unequal: No Solution Exploring Operation: 5+54=59, Resulting Numbers: [59] 59,38 unequal: No Solution Exploring Operation: 54-5=49, Resulting Numbers: [49] 49,38 unequal: No Solution Moving to Node #0,2,0 Current State: 38:[25, 74], Operations: ['93-68=25', '79-5=74'] Exploring Operation: 74-25=49, Resulting Numbers: [49] 49,38 unequal: No Solution Exploring Operation: 25*74=1850, Resulting Numbers: [1850] 1850,38 unequal: No Solution Exploring Operation: 25+74=99, Resulting Numbers: [99] 99,38 unequal: No Solution Moving to Node #0,2,2 Current State: 38:[79, 20], Operations: ['93-68=25', '25-5=20'] Exploring Operation: 79*20=1580, Resulting Numbers: [1580] 1580,38 unequal: No Solution Exploring Operation: 79-20=59, Resulting Numbers: [59] 59,38 unequal: No Solution Exploring Operation: 79+20=99, Resulting Numbers: [99] 99,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 38:[93, 5, 11], Operations: ['79-68=11'] Exploring Operation: 5+11=16, Resulting Numbers: [93, 16] Generated Node #0,1,0: 38:[93, 16] Operation: 5+11=16 Exploring Operation: 93-11=82, Resulting Numbers: [5, 82] Generated Node #0,1,1: 38:[5, 82] Operation: 93-11=82 Exploring Operation: 93-5=88, Resulting Numbers: [11, 88] Generated Node #0,1,2: 38:[11, 88] Operation: 93-5=88 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 38:[5, 82], Operations: ['79-68=11', '93-11=82'] Exploring Operation: 5+82=87, Resulting Numbers: [87] 87,38 unequal: No Solution Exploring Operation: 5*82=410, Resulting Numbers: [410] 410,38 unequal: No Solution Exploring Operation: 82-5=77, Resulting Numbers: [77] 77,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 38:[93, 16], Operations: ['79-68=11', '5+11=16'] Exploring Operation: 93+16=109, Resulting Numbers: [109] 109,38 unequal: No Solution Exploring Operation: 93*16=1488, Resulting Numbers: [1488] 1488,38 unequal: No Solution Exploring Operation: 93-16=77, Resulting Numbers: [77] 77,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 38:[11, 88], Operations: ['79-68=11', '93-5=88'] Exploring Operation: 88/11=8, Resulting Numbers: [8] 8,38 unequal: No Solution Exploring Operation: 11+88=99, Resulting Numbers: [99] 99,38 unequal: No Solution Exploring Operation: 88-11=77, Resulting Numbers: [77] 77,38 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 5, 63, 11, 48 ]
56
[ "5*11=55", "63+48=111", "111-55=56" ]
Current State: 56:[5, 63, 11, 48], Operations: [] Exploring Operation: 5*11=55, Resulting Numbers: [63, 48, 55] Generated Node #2: [63, 48, 55] from Operation: 5*11=55 Current State: 56:[63, 48, 55], Operations: ['5*11=55'] Exploring Operation: 63+48=111, Resulting Numbers: [55, 111] Generated Node #3: [55, 111] from Operation: 63+48=111 Current State: 56:[55, 111], Operations: ['5*11=55', '63+48=111'] Exploring Operation: 111-55=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[5, 63, 11, 48], Operations: [] Exploring Operation: 63-48=15, Resulting Numbers: [5, 11, 15] Generated Node #0,0: 56:[5, 11, 15] Operation: 63-48=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[5, 11, 15], Operations: ['63-48=15'] Exploring Operation: 15-11=4, Resulting Numbers: [5, 4] Generated Node #0,0,0: 56:[5, 4] Operation: 15-11=4 Moving to Node #0,0,0 Current State: 56:[5, 4], Operations: ['63-48=15', '15-11=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 53, 15, 43, 83 ]
67
[ "53-43=10", "15*10=150", "150-83=67" ]
Current State: 67:[53, 15, 43, 83], Operations: [] Exploring Operation: 53-43=10, Resulting Numbers: [15, 83, 10] Generated Node #2: [15, 83, 10] from Operation: 53-43=10 Current State: 67:[15, 83, 10], Operations: ['53-43=10'] Exploring Operation: 15*10=150, Resulting Numbers: [83, 150] Generated Node #3: [83, 150] from Operation: 15*10=150 Current State: 67:[83, 150], Operations: ['53-43=10', '15*10=150'] Exploring Operation: 150-83=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[53, 15, 43, 83], Operations: [] Exploring Operation: 43-15=28, Resulting Numbers: [53, 83, 28] Generated Node #0,0: 67:[53, 83, 28] Operation: 43-15=28 Exploring Operation: 15+43=58, Resulting Numbers: [53, 83, 58] Generated Node #0,1: 67:[53, 83, 58] Operation: 15+43=58 Exploring Operation: 53-15=38, Resulting Numbers: [43, 83, 38] Generated Node #0,2: 67:[43, 83, 38] Operation: 53-15=38 Exploring Operation: 53+15=68, Resulting Numbers: [43, 83, 68] Generated Node #0,3: 67:[43, 83, 68] Operation: 53+15=68 Exploring Operation: 83-15=68, Resulting Numbers: [53, 43, 68] Generated Node #0,4: 67:[53, 43, 68] Operation: 83-15=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[53, 83, 58], Operations: ['15+43=58'] Exploring Operation: 53+83=136, Resulting Numbers: [58, 136] Generated Node #0,1,0: 67:[58, 136] Operation: 53+83=136 Exploring Operation: 58-53=5, Resulting Numbers: [83, 5] Generated Node #0,1,1: 67:[83, 5] Operation: 58-53=5 Exploring Operation: 83-53=30, Resulting Numbers: [58, 30] Generated Node #0,1,2: 67:[58, 30] Operation: 83-53=30 Exploring Operation: 83-58=25, Resulting Numbers: [53, 25] Generated Node #0,1,3: 67:[53, 25] Operation: 83-58=25 Exploring Operation: 53+58=111, Resulting Numbers: [83, 111] Generated Node #0,1,4: 67:[83, 111] Operation: 53+58=111 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 67:[58, 30], Operations: ['15+43=58', '83-53=30'] Exploring Operation: 58+30=88, Resulting Numbers: [88] 88,67 unequal: No Solution Exploring Operation: 58*30=1740, Resulting Numbers: [1740] 1740,67 unequal: No Solution Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,67 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 #0,1,3 Current State: 67:[53, 25], Operations: ['15+43=58', '83-58=25'] Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 53*25=1325, Resulting Numbers: [1325] 1325,67 unequal: No Solution Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,67 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 #0,1,4 Current State: 67:[83, 111], Operations: ['15+43=58', '53+58=111'] Exploring Operation: 83+111=194, Resulting Numbers: [194] 194,67 unequal: No Solution Exploring Operation: 111-83=28, Resulting Numbers: [28] 28,67 unequal: No Solution Exploring Operation: 83*111=9213, Resulting Numbers: [9213] 9213,67 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 #0,1,0 Current State: 67:[58, 136], Operations: ['15+43=58', '53+83=136'] Exploring Operation: 58+136=194, Resulting Numbers: [194] 194,67 unequal: No Solution Exploring Operation: 136-58=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 58*136=7888, Resulting Numbers: [7888] 7888,67 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 #0,1,1 Current State: 67:[83, 5], Operations: ['15+43=58', '58-53=5'] Exploring Operation: 83+5=88, Resulting Numbers: [88] 88,67 unequal: No Solution Exploring Operation: 83*5=415, Resulting Numbers: [415] 415,67 unequal: No Solution Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 67:[53, 43, 68], Operations: ['83-15=68'] Exploring Operation: 53-43=10, Resulting Numbers: [68, 10] Generated Node #0,4,0: 67:[68, 10] Operation: 53-43=10 Exploring Operation: 53+43=96, Resulting Numbers: [68, 96] Generated Node #0,4,1: 67:[68, 96] Operation: 53+43=96 Exploring Operation: 68-53=15, Resulting Numbers: [43, 15] Generated Node #0,4,2: 67:[43, 15] Operation: 68-53=15 Exploring Operation: 43+68=111, Resulting Numbers: [53, 111] Generated Node #0,4,3: 67:[53, 111] Operation: 43+68=111 Exploring Operation: 68-43=25, Resulting Numbers: [53, 25] Generated Node #0,4,4: 67:[53, 25] Operation: 68-43=25 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 67:[68, 96], Operations: ['83-15=68', '53+43=96'] Exploring Operation: 68*96=6528, Resulting Numbers: [6528] 6528,67 unequal: No Solution Exploring Operation: 68+96=164, Resulting Numbers: [164] 164,67 unequal: No Solution Exploring Operation: 96-68=28, Resulting Numbers: [28] 28,67 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 #0,4,4 Current State: 67:[53, 25], Operations: ['83-15=68', '68-43=25'] Exploring Operation: 53-25=28, Resulting Numbers: [28] 28,67 unequal: No Solution Exploring Operation: 53+25=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 53*25=1325, Resulting Numbers: [1325] 1325,67 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 #0,4,0 Current State: 67:[68, 10], Operations: ['83-15=68', '53-43=10'] Exploring Operation: 68-10=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 68*10=680, Resulting Numbers: [680] 680,67 unequal: No Solution Exploring Operation: 68+10=78, Resulting Numbers: [78] 78,67 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 #0,4,3 Current State: 67:[53, 111], Operations: ['83-15=68', '43+68=111'] Exploring Operation: 53*111=5883, Resulting Numbers: [5883] 5883,67 unequal: No Solution Exploring Operation: 53+111=164, Resulting Numbers: [164] 164,67 unequal: No Solution Exploring Operation: 111-53=58, Resulting Numbers: [58] 58,67 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 #0,4,2 Current State: 67:[43, 15], Operations: ['83-15=68', '68-53=15'] Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,67 unequal: No Solution Exploring Operation: 43*15=645, Resulting Numbers: [645] 645,67 unequal: No Solution Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,67 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: 67:[43, 83, 68], Operations: ['53+15=68'] Exploring Operation: 43+83=126, Resulting Numbers: [68, 126] Generated Node #0,3,0: 67:[68, 126] Operation: 43+83=126 Exploring Operation: 83-68=15, Resulting Numbers: [43, 15] Generated Node #0,3,1: 67:[43, 15] Operation: 83-68=15 Exploring Operation: 43+68=111, Resulting Numbers: [83, 111] Generated Node #0,3,2: 67:[83, 111] Operation: 43+68=111 Exploring Operation: 83-43=40, Resulting Numbers: [68, 40] Generated Node #0,3,3: 67:[68, 40] Operation: 83-43=40 Exploring Operation: 68-43=25, Resulting Numbers: [83, 25] Generated Node #0,3,4: 67:[83, 25] Operation: 68-43=25 Moving to Node #0,3,3 Current State: 67:[68, 40], Operations: ['53+15=68', '83-43=40'] Exploring Operation: 68+40=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 68*40=2720, Resulting Numbers: [2720] 2720,67 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,67 unequal: No Solution Moving to Node #0,3,4 Current State: 67:[83, 25], Operations: ['53+15=68', '68-43=25'] Exploring Operation: 83+25=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 83*25=2075, Resulting Numbers: [2075] 2075,67 unequal: No Solution Moving to Node #0,3,0 Current State: 67:[68, 126], Operations: ['53+15=68', '43+83=126'] Exploring Operation: 68+126=194, Resulting Numbers: [194] 194,67 unequal: No Solution Exploring Operation: 68*126=8568, Resulting Numbers: [8568] 8568,67 unequal: No Solution Exploring Operation: 126-68=58, Resulting Numbers: [58] 58,67 unequal: No Solution Moving to Node #0,3,2 Current State: 67:[83, 111], Operations: ['53+15=68', '43+68=111'] Exploring Operation: 83*111=9213, Resulting Numbers: [9213] 9213,67 unequal: No Solution Exploring Operation: 83+111=194, Resulting Numbers: [194] 194,67 unequal: No Solution Exploring Operation: 111-83=28, Resulting Numbers: [28] 28,67 unequal: No Solution Moving to Node #0,3,1 Current State: 67:[43, 15], Operations: ['53+15=68', '83-68=15'] Exploring Operation: 43+15=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 43-15=28, Resulting Numbers: [28] 28,67 unequal: No Solution Exploring Operation: 43*15=645, Resulting Numbers: [645] 645,67 unequal: No Solution No 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: 67:[53, 83, 28], Operations: ['43-15=28'] Exploring Operation: 53+28=81, Resulting Numbers: [83, 81] Generated Node #0,0,0: 67:[83, 81] Operation: 53+28=81 Exploring Operation: 53-28=25, Resulting Numbers: [83, 25] Generated Node #0,0,1: 67:[83, 25] Operation: 53-28=25 Exploring Operation: 83-53=30, Resulting Numbers: [28, 30] Generated Node #0,0,2: 67:[28, 30] Operation: 83-53=30 Exploring Operation: 83+28=111, Resulting Numbers: [53, 111] Generated Node #0,0,3: 67:[53, 111] Operation: 83+28=111 Exploring Operation: 83-28=55, Resulting Numbers: [53, 55] Generated Node #0,0,4: 67:[53, 55] Operation: 83-28=55 Moving to Node #0,0,4 Current State: 67:[53, 55], Operations: ['43-15=28', '83-28=55'] Exploring Operation: 55-53=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 53+55=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 53*55=2915, Resulting Numbers: [2915] 2915,67 unequal: No Solution Moving to Node #0,0,0 Current State: 67:[83, 81], Operations: ['43-15=28', '53+28=81'] Exploring Operation: 83+81=164, Resulting Numbers: [164] 164,67 unequal: No Solution Exploring Operation: 83*81=6723, Resulting Numbers: [6723] 6723,67 unequal: No Solution Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[83, 25], Operations: ['43-15=28', '53-28=25'] Exploring Operation: 83+25=108, Resulting Numbers: [108] 108,67 unequal: No Solution Exploring Operation: 83-25=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 83*25=2075, Resulting Numbers: [2075] 2075,67 unequal: No Solution Moving to Node #0,0,3 Current State: 67:[53, 111], Operations: ['43-15=28', '83+28=111'] Exploring Operation: 111-53=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 53*111=5883, Resulting Numbers: [5883] 5883,67 unequal: No Solution Exploring Operation: 53+111=164, Resulting Numbers: [164] 164,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[28, 30], Operations: ['43-15=28', '83-53=30'] Exploring Operation: 28*30=840, Resulting Numbers: [840] 840,67 unequal: No Solution Exploring Operation: 28+30=58, Resulting Numbers: [58] 58,67 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,67 unequal: No Solution No 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: 67:[43, 83, 38], Operations: ['53-15=38'] Exploring Operation: 43+38=81, Resulting Numbers: [83, 81] Generated Node #0,2,0: 67:[83, 81] Operation: 43+38=81 Exploring Operation: 83-38=45, Resulting Numbers: [43, 45] Generated Node #0,2,1: 67:[43, 45] Operation: 83-38=45 Exploring Operation: 43-38=5, Resulting Numbers: [83, 5] Generated Node #0,2,2: 67:[83, 5] Operation: 43-38=5 Exploring Operation: 83+38=121, Resulting Numbers: [43, 121] Generated Node #0,2,3: 67:[43, 121] Operation: 83+38=121 Exploring Operation: 83-43=40, Resulting Numbers: [38, 40] Generated Node #0,2,4: 67:[38, 40] Operation: 83-43=40 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 67:[83, 81], Operations: ['53-15=38', '43+38=81'] Exploring Operation: 83-81=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 83*81=6723, Resulting Numbers: [6723] 6723,67 unequal: No Solution Exploring Operation: 83+81=164, Resulting Numbers: [164] 164,67 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 #0,2,1 Current State: 67:[43, 45], Operations: ['53-15=38', '83-38=45'] Exploring Operation: 43*45=1935, Resulting Numbers: [1935] 1935,67 unequal: No Solution Exploring Operation: 45-43=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 43+45=88, Resulting Numbers: [88] 88,67 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 #0,2,4 Current State: 67:[38, 40], Operations: ['53-15=38', '83-43=40'] Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,67 unequal: No Solution Exploring Operation: 40-38=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 38*40=1520, Resulting Numbers: [1520] 1520,67 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 #0,2,2 Current State: 67:[83, 5], Operations: ['53-15=38', '43-38=5'] Exploring Operation: 83+5=88, Resulting Numbers: [88] 88,67 unequal: No Solution Exploring Operation: 83*5=415, Resulting Numbers: [415] 415,67 unequal: No Solution Exploring Operation: 83-5=78, Resulting Numbers: [78] 78,67 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 #0,2,3 Current State: 67:[43, 121], Operations: ['53-15=38', '83+38=121'] Exploring Operation: 43+121=164, Resulting Numbers: [164] 164,67 unequal: No Solution Exploring Operation: 43*121=5203, Resulting Numbers: [5203] 5203,67 unequal: No Solution Exploring Operation: 121-43=78, Resulting Numbers: [78] 78,67 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 10, 1, 79, 31 ]
82
[ "31-1=30", "30/10=3", "79+3=82" ]
Current State: 82:[10, 1, 79, 31], Operations: [] Exploring Operation: 31-1=30, Resulting Numbers: [10, 79, 30] Generated Node #2: [10, 79, 30] from Operation: 31-1=30 Current State: 82:[10, 79, 30], Operations: ['31-1=30'] Exploring Operation: 30/10=3, Resulting Numbers: [79, 3] Generated Node #3: [79, 3] from Operation: 30/10=3 Current State: 82:[79, 3], Operations: ['31-1=30', '30/10=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[10, 1, 79, 31], Operations: [] Exploring Operation: 79-31=48, Resulting Numbers: [10, 1, 48] Generated Node #0,0: 82:[10, 1, 48] Operation: 79-31=48 Exploring Operation: 10+79=89, Resulting Numbers: [1, 31, 89] Generated Node #0,1: 82:[1, 31, 89] Operation: 10+79=89 Exploring Operation: 10+31=41, Resulting Numbers: [1, 79, 41] Generated Node #0,2: 82:[1, 79, 41] Operation: 10+31=41 Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[1, 79, 41], Operations: ['10+31=41'] Exploring Operation: 1+79=80, Resulting Numbers: [41, 80] Generated Node #0,2,0: 82:[41, 80] Operation: 1+79=80 Exploring Operation: 1*79=79, Resulting Numbers: [41, 79] Generated Node #0,2,1: 82:[41, 79] Operation: 1*79=79 Exploring Operation: 79/1=79, Resulting Numbers: [41, 79] Generated Node #0,2,2: 82:[41, 79] Operation: 79/1=79 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 82:[41, 80], Operations: ['10+31=41', '1+79=80'] Exploring Operation: 41+80=121, Resulting Numbers: [121] 121,82 unequal: No Solution Exploring Operation: 80-41=39, Resulting Numbers: [39] 39,82 unequal: No Solution Exploring Operation: 41*80=3280, Resulting Numbers: [3280] 3280,82 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 #0,2,1 Current State: 82:[41, 79], Operations: ['10+31=41', '1*79=79'] Exploring Operation: 41+79=120, Resulting Numbers: [120] 120,82 unequal: No Solution Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,82 unequal: No Solution Exploring Operation: 41*79=3239, Resulting Numbers: [3239] 3239,82 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 #0,2,2 Current State: 82:[41, 79], Operations: ['10+31=41', '79/1=79'] Exploring Operation: 79-41=38, Resulting Numbers: [38] 38,82 unequal: No Solution Exploring Operation: 41*79=3239, Resulting Numbers: [3239] 3239,82 unequal: No Solution Exploring Operation: 41+79=120, Resulting Numbers: [120] 120,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 82:[10, 1, 48], Operations: ['79-31=48'] Exploring Operation: 10-1=9, Resulting Numbers: [48, 9] Generated Node #0,0,0: 82:[48, 9] Operation: 10-1=9 Exploring Operation: 48-10=38, Resulting Numbers: [1, 38] Generated Node #0,0,1: 82:[1, 38] Operation: 48-10=38 Exploring Operation: 48-1=47, Resulting Numbers: [10, 47] Generated Node #0,0,2: 82:[10, 47] Operation: 48-1=47 Moving to Node #0,0,1 Current State: 82:[1, 38], Operations: ['79-31=48', '48-10=38'] Exploring Operation: 1+38=39, Resulting Numbers: [39] 39,82 unequal: No Solution Exploring Operation: 38/1=38, Resulting Numbers: [38] 38,82 unequal: No Solution Exploring Operation: 1*38=38, Resulting Numbers: [38] 38,82 unequal: No Solution Moving to Node #0,0,0 Current State: 82:[48, 9], Operations: ['79-31=48', '10-1=9'] Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,82 unequal: No Solution Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,82 unequal: No Solution Exploring Operation: 48*9=432, Resulting Numbers: [432] 432,82 unequal: No Solution Moving to Node #0,0,2 Current State: 82:[10, 47], Operations: ['79-31=48', '48-1=47'] Exploring Operation: 10*47=470, Resulting Numbers: [470] 470,82 unequal: No Solution Exploring Operation: 10+47=57, Resulting Numbers: [57] 57,82 unequal: No Solution Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[1, 31, 89], Operations: ['10+79=89'] Exploring Operation: 1+31=32, Resulting Numbers: [89, 32] Generated Node #0,1,0: 82:[89, 32] Operation: 1+31=32 Exploring Operation: 89-1=88, Resulting Numbers: [31, 88] Generated Node #0,1,1: 82:[31, 88] Operation: 89-1=88 Exploring Operation: 1*31=31, Resulting Numbers: [89, 31] Generated Node #0,1,2: 82:[89, 31] Operation: 1*31=31 Moving to Node #0,1,0 Current State: 82:[89, 32], Operations: ['10+79=89', '1+31=32'] Exploring Operation: 89+32=121, Resulting Numbers: [121] 121,82 unequal: No Solution Exploring Operation: 89-32=57, Resulting Numbers: [57] 57,82 unequal: No Solution Exploring Operation: 89*32=2848, Resulting Numbers: [2848] 2848,82 unequal: No Solution Moving to Node #0,1,1 Current State: 82:[31, 88], Operations: ['10+79=89', '89-1=88'] Exploring Operation: 88-31=57, Resulting Numbers: [57] 57,82 unequal: No Solution Exploring Operation: 31+88=119, Resulting Numbers: [119] 119,82 unequal: No Solution Exploring Operation: 31*88=2728, Resulting Numbers: [2728] 2728,82 unequal: No Solution Moving to Node #0,1,2 Current State: 82:[89, 31], Operations: ['10+79=89', '1*31=31'] Exploring Operation: 89-31=58, Resulting Numbers: [58] 58,82 unequal: No Solution Exploring Operation: 89+31=120, Resulting Numbers: [120] 120,82 unequal: No Solution Exploring Operation: 89*31=2759, Resulting Numbers: [2759] 2759,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 36, 78, 23, 92 ]
98
[ "36-23=13", "78/13=6", "92+6=98" ]
Current State: 98:[36, 78, 23, 92], Operations: [] Exploring Operation: 36-23=13, Resulting Numbers: [78, 92, 13] Generated Node #2: [78, 92, 13] from Operation: 36-23=13 Current State: 98:[78, 92, 13], Operations: ['36-23=13'] Exploring Operation: 78/13=6, Resulting Numbers: [92, 6] Generated Node #3: [92, 6] from Operation: 78/13=6 Current State: 98:[92, 6], Operations: ['36-23=13', '78/13=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[36, 78, 23, 92], Operations: [] Exploring Operation: 78-36=42, Resulting Numbers: [23, 92, 42] Generated Node #0,0: 98:[23, 92, 42] Operation: 78-36=42 Exploring Operation: 78-23=55, Resulting Numbers: [36, 92, 55] Generated Node #0,1: 98:[36, 92, 55] Operation: 78-23=55 Exploring Operation: 36-23=13, Resulting Numbers: [78, 92, 13] Generated Node #0,2: 98:[78, 92, 13] Operation: 36-23=13 Exploring Operation: 78+23=101, Resulting Numbers: [36, 92, 101] Generated Node #0,3: 98:[36, 92, 101] Operation: 78+23=101 Exploring Operation: 92-78=14, Resulting Numbers: [36, 23, 14] Generated Node #0,4: 98:[36, 23, 14] Operation: 92-78=14 Moving to Node #0,0 Current State: 98:[23, 92, 42], Operations: ['78-36=42'] Exploring Operation: 92/23=4, Resulting Numbers: [42, 4] Generated Node #0,0,0: 98:[42, 4] Operation: 92/23=4 Exploring Operation: 23+92=115, Resulting Numbers: [42, 115] Generated Node #0,0,1: 98:[42, 115] Operation: 23+92=115 Exploring Operation: 42-23=19, Resulting Numbers: [92, 19] Generated Node #0,0,2: 98:[92, 19] Operation: 42-23=19 Exploring Operation: 92-42=50, Resulting Numbers: [23, 50] Generated Node #0,0,3: 98:[23, 50] Operation: 92-42=50 Exploring Operation: 23+42=65, Resulting Numbers: [92, 65] Generated Node #0,0,4: 98:[92, 65] Operation: 23+42=65 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 98:[42, 4], Operations: ['78-36=42', '92/23=4'] Exploring Operation: 42*4=168, Resulting Numbers: [168] 168,98 unequal: No Solution Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,98 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 98:[23, 50], Operations: ['78-36=42', '92-42=50'] Exploring Operation: 23*50=1150, Resulting Numbers: [1150] 1150,98 unequal: No Solution Exploring Operation: 23+50=73, Resulting Numbers: [73] 73,98 unequal: No Solution Exploring Operation: 50-23=27, Resulting Numbers: [27] 27,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 98:[92, 19], Operations: ['78-36=42', '42-23=19'] Exploring Operation: 92-19=73, Resulting Numbers: [73] 73,98 unequal: No Solution Exploring Operation: 92+19=111, Resulting Numbers: [111] 111,98 unequal: No Solution Exploring Operation: 92*19=1748, Resulting Numbers: [1748] 1748,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 98:[92, 65], Operations: ['78-36=42', '23+42=65'] Exploring Operation: 92-65=27, Resulting Numbers: [27] 27,98 unequal: No Solution Exploring Operation: 92+65=157, Resulting Numbers: [157] 157,98 unequal: No Solution Exploring Operation: 92*65=5980, Resulting Numbers: [5980] 5980,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 98:[42, 115], Operations: ['78-36=42', '23+92=115'] Exploring Operation: 115-42=73, Resulting Numbers: [73] 73,98 unequal: No Solution Exploring Operation: 42+115=157, Resulting Numbers: [157] 157,98 unequal: No Solution Exploring Operation: 42*115=4830, Resulting Numbers: [4830] 4830,98 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: 98:[36, 23, 14], Operations: ['92-78=14'] Exploring Operation: 23-14=9, Resulting Numbers: [36, 9] Generated Node #0,4,0: 98:[36, 9] Operation: 23-14=9 Exploring Operation: 36+14=50, Resulting Numbers: [23, 50] Generated Node #0,4,1: 98:[23, 50] Operation: 36+14=50 Exploring Operation: 36-14=22, Resulting Numbers: [23, 22] Generated Node #0,4,2: 98:[23, 22] Operation: 36-14=22 Exploring Operation: 36-23=13, Resulting Numbers: [14, 13] Generated Node #0,4,3: 98:[14, 13] Operation: 36-23=13 Exploring Operation: 36+23=59, Resulting Numbers: [14, 59] Generated Node #0,4,4: 98:[14, 59] Operation: 36+23=59 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 98:[14, 13], Operations: ['92-78=14', '36-23=13'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 14*13=182, Resulting Numbers: [182] 182,98 unequal: No Solution Exploring Operation: 14+13=27, Resulting Numbers: [27] 27,98 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 #0,4,1 Current State: 98:[23, 50], Operations: ['92-78=14', '36+14=50'] Exploring Operation: 23+50=73, Resulting Numbers: [73] 73,98 unequal: No Solution Exploring Operation: 23*50=1150, Resulting Numbers: [1150] 1150,98 unequal: No Solution Exploring Operation: 50-23=27, Resulting Numbers: [27] 27,98 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 #0,4,4 Current State: 98:[14, 59], Operations: ['92-78=14', '36+23=59'] Exploring Operation: 14+59=73, Resulting Numbers: [73] 73,98 unequal: No Solution Exploring Operation: 14*59=826, Resulting Numbers: [826] 826,98 unequal: No Solution Exploring Operation: 59-14=45, Resulting Numbers: [45] 45,98 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 #0,4,0 Current State: 98:[36, 9], Operations: ['92-78=14', '23-14=9'] Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,98 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,98 unequal: No Solution Exploring Operation: 36*9=324, Resulting Numbers: [324] 324,98 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 #0,4,2 Current State: 98:[23, 22], Operations: ['92-78=14', '36-14=22'] Exploring Operation: 23*22=506, Resulting Numbers: [506] 506,98 unequal: No Solution Exploring Operation: 23+22=45, Resulting Numbers: [45] 45,98 unequal: No Solution Exploring Operation: 23-22=1, Resulting Numbers: [1] 1,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 98:[36, 92, 101], Operations: ['78+23=101'] Exploring Operation: 36+92=128, Resulting Numbers: [101, 128] Generated Node #0,3,0: 98:[101, 128] Operation: 36+92=128 Exploring Operation: 92-36=56, Resulting Numbers: [101, 56] Generated Node #0,3,1: 98:[101, 56] Operation: 92-36=56 Exploring Operation: 101-36=65, Resulting Numbers: [92, 65] Generated Node #0,3,2: 98:[92, 65] Operation: 101-36=65 Exploring Operation: 36+101=137, Resulting Numbers: [92, 137] Generated Node #0,3,3: 98:[92, 137] Operation: 36+101=137 Exploring Operation: 101-92=9, Resulting Numbers: [36, 9] Generated Node #0,3,4: 98:[36, 9] Operation: 101-92=9 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 98:[101, 56], Operations: ['78+23=101', '92-36=56'] Exploring Operation: 101-56=45, Resulting Numbers: [45] 45,98 unequal: No Solution Exploring Operation: 101*56=5656, Resulting Numbers: [5656] 5656,98 unequal: No Solution Exploring Operation: 101+56=157, Resulting Numbers: [157] 157,98 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 #0,3,4 Current State: 98:[36, 9], Operations: ['78+23=101', '101-92=9'] Exploring Operation: 36/9=4, Resulting Numbers: [4] 4,98 unequal: No Solution Exploring Operation: 36+9=45, Resulting Numbers: [45] 45,98 unequal: No Solution Exploring Operation: 36-9=27, Resulting Numbers: [27] 27,98 unequal: No Solution Exploring Operation: 36*9=324, Resulting Numbers: [324] 324,98 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 #0,3,2 Current State: 98:[92, 65], Operations: ['78+23=101', '101-36=65'] Exploring Operation: 92*65=5980, Resulting Numbers: [5980] 5980,98 unequal: No Solution Exploring Operation: 92+65=157, Resulting Numbers: [157] 157,98 unequal: No Solution Exploring Operation: 92-65=27, Resulting Numbers: [27] 27,98 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 #0,3,0 Current State: 98:[101, 128], Operations: ['78+23=101', '36+92=128'] Exploring Operation: 101*128=12928, Resulting Numbers: [12928] 12928,98 unequal: No Solution Exploring Operation: 128-101=27, Resulting Numbers: [27] 27,98 unequal: No Solution Exploring Operation: 101+128=229, Resulting Numbers: [229] 229,98 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 #0,3,3 Current State: 98:[92, 137], Operations: ['78+23=101', '36+101=137'] Exploring Operation: 137-92=45, Resulting Numbers: [45] 45,98 unequal: No Solution Exploring Operation: 92*137=12604, Resulting Numbers: [12604] 12604,98 unequal: No Solution Exploring Operation: 92+137=229, Resulting Numbers: [229] 229,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 98:[36, 92, 55], Operations: ['78-23=55'] Exploring Operation: 36+92=128, Resulting Numbers: [55, 128] Generated Node #0,1,0: 98:[55, 128] Operation: 36+92=128 Exploring Operation: 36+55=91, Resulting Numbers: [92, 91] Generated Node #0,1,1: 98:[92, 91] Operation: 36+55=91 Exploring Operation: 92-55=37, Resulting Numbers: [36, 37] Generated Node #0,1,2: 98:[36, 37] Operation: 92-55=37 Exploring Operation: 55-36=19, Resulting Numbers: [92, 19] Generated Node #0,1,3: 98:[92, 19] Operation: 55-36=19 Exploring Operation: 92-36=56, Resulting Numbers: [55, 56] Generated Node #0,1,4: 98:[55, 56] Operation: 92-36=56 Moving to Node #0,2 Current State: 98:[78, 92, 13], Operations: ['36-23=13'] Exploring Operation: 78+13=91, Resulting Numbers: [92, 91] Generated Node #0,2,0: 98:[92, 91] Operation: 78+13=91 Exploring Operation: 92+13=105, Resulting Numbers: [78, 105] Generated Node #0,2,1: 98:[78, 105] Operation: 92+13=105 Exploring Operation: 92-78=14, Resulting Numbers: [13, 14] Generated Node #0,2,2: 98:[13, 14] Operation: 92-78=14 Exploring Operation: 78-13=65, Resulting Numbers: [92, 65] Generated Node #0,2,3: 98:[92, 65] Operation: 78-13=65 Exploring Operation: 78/13=6, Resulting Numbers: [92, 6] Generated Node #0,2,4: 98:[92, 6] Operation: 78/13=6 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 98:[13, 14], Operations: ['36-23=13', '92-78=14'] Exploring Operation: 14-13=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 13+14=27, Resulting Numbers: [27] 27,98 unequal: No Solution Exploring Operation: 13*14=182, Resulting Numbers: [182] 182,98 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 #0,2,4 Current State: 98:[92, 6], Operations: ['36-23=13', '78/13=6'] Exploring Operation: 92*6=552, Resulting Numbers: [552] 552,98 unequal: No Solution Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[36, 78, 23, 92], Operations: [] Exploring Operation: 36-23=13, Resulting Numbers: [78, 92, 13] Generated Node #0,2: 98:[78, 92, 13] Operation: 36-23=13 Moving to Node #0,2 Current State: 98:[78, 92, 13], Operations: ['36-23=13'] Exploring Operation: 78/13=6, Resulting Numbers: [92, 6] Generated Node #0,2,4: 98:[92, 6] Operation: 78/13=6 Moving to Node #0,2,4 Current State: 98:[92, 6], Operations: ['36-23=13', '78/13=6'] Exploring Operation: 92+6=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.925347
hs_5
sum_heuristic
[ 68, 50, 26, 64 ]
56
[ "68-50=18", "64-26=38", "18+38=56" ]
Current State: 56:[68, 50, 26, 64], Operations: [] Exploring Operation: 68-50=18, Resulting Numbers: [26, 64, 18] Generated Node #2: [26, 64, 18] from Operation: 68-50=18 Current State: 56:[26, 64, 18], Operations: ['68-50=18'] Exploring Operation: 64-26=38, Resulting Numbers: [18, 38] Generated Node #3: [18, 38] from Operation: 64-26=38 Current State: 56:[18, 38], Operations: ['68-50=18', '64-26=38'] Exploring Operation: 18+38=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[68, 50, 26, 64], Operations: [] Exploring Operation: 68-64=4, Resulting Numbers: [50, 26, 4] Generated Node #0,0: 56:[50, 26, 4] Operation: 68-64=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[50, 26, 4], Operations: ['68-64=4'] Exploring Operation: 50-26=24, Resulting Numbers: [4, 24] Generated Node #0,0,0: 56:[4, 24] Operation: 50-26=24 Moving to Node #0,0,0 Current State: 56:[4, 24], Operations: ['68-64=4', '50-26=24'] Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,56 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 10, 77, 72, 36 ]
69
[ "77-10=67", "72/36=2", "67+2=69" ]
Current State: 69:[10, 77, 72, 36], Operations: [] Exploring Operation: 77-10=67, Resulting Numbers: [72, 36, 67] Generated Node #2: [72, 36, 67] from Operation: 77-10=67 Current State: 69:[72, 36, 67], Operations: ['77-10=67'] Exploring Operation: 72/36=2, Resulting Numbers: [67, 2] Generated Node #3: [67, 2] from Operation: 72/36=2 Current State: 69:[67, 2], Operations: ['77-10=67', '72/36=2'] Exploring Operation: 67+2=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[10, 77, 72, 36], Operations: [] Exploring Operation: 72/36=2, Resulting Numbers: [10, 77, 2] Generated Node #0,0: 69:[10, 77, 2] Operation: 72/36=2 Exploring Operation: 72-10=62, Resulting Numbers: [77, 36, 62] Generated Node #0,1: 69:[77, 36, 62] Operation: 72-10=62 Exploring Operation: 36-10=26, Resulting Numbers: [77, 72, 26] Generated Node #0,2: 69:[77, 72, 26] Operation: 36-10=26 Exploring Operation: 77-10=67, Resulting Numbers: [72, 36, 67] Generated Node #0,3: 69:[72, 36, 67] Operation: 77-10=67 Exploring Operation: 77-72=5, Resulting Numbers: [10, 36, 5] Generated Node #0,4: 69:[10, 36, 5] Operation: 77-72=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 69:[77, 72, 26], Operations: ['36-10=26'] Exploring Operation: 72-26=46, Resulting Numbers: [77, 46] Generated Node #0,2,0: 69:[77, 46] Operation: 72-26=46 Exploring Operation: 77+26=103, Resulting Numbers: [72, 103] Generated Node #0,2,1: 69:[72, 103] Operation: 77+26=103 Exploring Operation: 77-26=51, Resulting Numbers: [72, 51] Generated Node #0,2,2: 69:[72, 51] Operation: 77-26=51 Exploring Operation: 72+26=98, Resulting Numbers: [77, 98] Generated Node #0,2,3: 69:[77, 98] Operation: 72+26=98 Exploring Operation: 77-72=5, Resulting Numbers: [26, 5] Generated Node #0,2,4: 69:[26, 5] Operation: 77-72=5 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 69:[26, 5], Operations: ['36-10=26', '77-72=5'] Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,69 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,69 unequal: No Solution Exploring Operation: 26*5=130, Resulting Numbers: [130] 130,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 69:[72, 51], Operations: ['36-10=26', '77-26=51'] Exploring Operation: 72-51=21, Resulting Numbers: [21] 21,69 unequal: No Solution Exploring Operation: 72+51=123, Resulting Numbers: [123] 123,69 unequal: No Solution Exploring Operation: 72*51=3672, Resulting Numbers: [3672] 3672,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 69:[77, 46], Operations: ['36-10=26', '72-26=46'] Exploring Operation: 77+46=123, Resulting Numbers: [123] 123,69 unequal: No Solution Exploring Operation: 77*46=3542, Resulting Numbers: [3542] 3542,69 unequal: No Solution Exploring Operation: 77-46=31, Resulting Numbers: [31] 31,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 69:[72, 103], Operations: ['36-10=26', '77+26=103'] Exploring Operation: 103-72=31, Resulting Numbers: [31] 31,69 unequal: No Solution Exploring Operation: 72+103=175, Resulting Numbers: [175] 175,69 unequal: No Solution Exploring Operation: 72*103=7416, Resulting Numbers: [7416] 7416,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 69:[77, 98], Operations: ['36-10=26', '72+26=98'] Exploring Operation: 77+98=175, Resulting Numbers: [175] 175,69 unequal: No Solution Exploring Operation: 98-77=21, Resulting Numbers: [21] 21,69 unequal: No Solution Exploring Operation: 77*98=7546, Resulting Numbers: [7546] 7546,69 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 69:[10, 77, 2], Operations: ['72/36=2'] Exploring Operation: 77-2=75, Resulting Numbers: [10, 75] Generated Node #0,0,0: 69:[10, 75] Operation: 77-2=75 Exploring Operation: 10*2=20, Resulting Numbers: [77, 20] Generated Node #0,0,1: 69:[77, 20] Operation: 10*2=20 Exploring Operation: 10/2=5, Resulting Numbers: [77, 5] Generated Node #0,0,2: 69:[77, 5] Operation: 10/2=5 Exploring Operation: 10-2=8, Resulting Numbers: [77, 8] Generated Node #0,0,3: 69:[77, 8] Operation: 10-2=8 Exploring Operation: 77-10=67, Resulting Numbers: [2, 67] Generated Node #0,0,4: 69:[2, 67] Operation: 77-10=67 Moving to Node #0,0,4 Current State: 69:[2, 67], Operations: ['72/36=2', '77-10=67'] Exploring Operation: 2*67=134, Resulting Numbers: [134] 134,69 unequal: No Solution Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Moving to Node #0 Current State: 69:[10, 77, 72, 36], Operations: [] Exploring Operation: 72/36=2, Resulting Numbers: [10, 77, 2] Generated Node #0,0: 69:[10, 77, 2] Operation: 72/36=2 Moving to Node #0,0 Current State: 69:[10, 77, 2], Operations: ['72/36=2'] Exploring Operation: 77-10=67, Resulting Numbers: [2, 67] Generated Node #0,0,4: 69:[2, 67] Operation: 77-10=67 Moving to Node #0,0,4 Current State: 69:[2, 67], Operations: ['72/36=2', '77-10=67'] Exploring Operation: 2+67=69, Resulting Numbers: [69] 69,69 equal: Goal Reached Exit Sub Search at level 1
0.96875
hs_5
mult_heuristic
[ 15, 7, 77, 73 ]
43
[ "77-73=4", "7*4=28", "15+28=43" ]
Current State: 43:[15, 7, 77, 73], Operations: [] Exploring Operation: 77-73=4, Resulting Numbers: [15, 7, 4] Generated Node #2: [15, 7, 4] from Operation: 77-73=4 Current State: 43:[15, 7, 4], Operations: ['77-73=4'] Exploring Operation: 7*4=28, Resulting Numbers: [15, 28] Generated Node #3: [15, 28] from Operation: 7*4=28 Current State: 43:[15, 28], Operations: ['77-73=4', '7*4=28'] Exploring Operation: 15+28=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[15, 7, 77, 73], Operations: [] Exploring Operation: 73-15=58, Resulting Numbers: [7, 77, 58] Generated Node #0,0: 43:[7, 77, 58] Operation: 73-15=58 Exploring Operation: 77-7=70, Resulting Numbers: [15, 73, 70] Generated Node #0,1: 43:[15, 73, 70] Operation: 77-7=70 Exploring Operation: 77-15=62, Resulting Numbers: [7, 73, 62] Generated Node #0,2: 43:[7, 73, 62] Operation: 77-15=62 Exploring Operation: 15+7=22, Resulting Numbers: [77, 73, 22] Generated Node #0,3: 43:[77, 73, 22] Operation: 15+7=22 Moving to Node #0,0 Current State: 43:[7, 77, 58], Operations: ['73-15=58'] Exploring Operation: 77-7=70, Resulting Numbers: [58, 70] Generated Node #0,0,0: 43:[58, 70] Operation: 77-7=70 Exploring Operation: 58-7=51, Resulting Numbers: [77, 51] Generated Node #0,0,1: 43:[77, 51] Operation: 58-7=51 Exploring Operation: 7+77=84, Resulting Numbers: [58, 84] Generated Node #0,0,2: 43:[58, 84] Operation: 7+77=84 Exploring Operation: 77/7=11, Resulting Numbers: [58, 11] Generated Node #0,0,3: 43:[58, 11] Operation: 77/7=11 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[58, 70], Operations: ['73-15=58', '77-7=70'] Exploring Operation: 58+70=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 58*70=4060, Resulting Numbers: [4060] 4060,43 unequal: No Solution No 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: 43:[77, 51], Operations: ['73-15=58', '58-7=51'] Exploring Operation: 77+51=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 77*51=3927, Resulting Numbers: [3927] 3927,43 unequal: No Solution Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,43 unequal: No Solution No 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: 43:[58, 11], Operations: ['73-15=58', '77/7=11'] Exploring Operation: 58-11=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 58+11=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 58*11=638, Resulting Numbers: [638] 638,43 unequal: No Solution No 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: 43:[58, 84], Operations: ['73-15=58', '7+77=84'] Exploring Operation: 84-58=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 58+84=142, Resulting Numbers: [142] 142,43 unequal: No Solution Exploring Operation: 58*84=4872, Resulting Numbers: [4872] 4872,43 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: 43:[7, 73, 62], Operations: ['77-15=62'] Exploring Operation: 7+73=80, Resulting Numbers: [62, 80] Generated Node #0,2,0: 43:[62, 80] Operation: 7+73=80 Exploring Operation: 73-7=66, Resulting Numbers: [62, 66] Generated Node #0,2,1: 43:[62, 66] Operation: 73-7=66 Exploring Operation: 62-7=55, Resulting Numbers: [73, 55] Generated Node #0,2,2: 43:[73, 55] Operation: 62-7=55 Exploring Operation: 7+62=69, Resulting Numbers: [73, 69] Generated Node #0,2,3: 43:[73, 69] Operation: 7+62=69 Moving to Node #0,1 Current State: 43:[15, 73, 70], Operations: ['77-7=70'] Exploring Operation: 15+73=88, Resulting Numbers: [70, 88] Generated Node #0,1,0: 43:[70, 88] Operation: 15+73=88 Exploring Operation: 73-15=58, Resulting Numbers: [70, 58] Generated Node #0,1,1: 43:[70, 58] Operation: 73-15=58 Exploring Operation: 70-15=55, Resulting Numbers: [73, 55] Generated Node #0,1,2: 43:[73, 55] Operation: 70-15=55 Exploring Operation: 73-70=3, Resulting Numbers: [15, 3] Generated Node #0,1,3: 43:[15, 3] Operation: 73-70=3 Moving to Node #0,3 Current State: 43:[77, 73, 22], Operations: ['15+7=22'] Exploring Operation: 77-22=55, Resulting Numbers: [73, 55] Generated Node #0,3,0: 43:[73, 55] Operation: 77-22=55 Exploring Operation: 77+22=99, Resulting Numbers: [73, 99] Generated Node #0,3,1: 43:[73, 99] Operation: 77+22=99 Exploring Operation: 73-22=51, Resulting Numbers: [77, 51] Generated Node #0,3,2: 43:[77, 51] Operation: 73-22=51 Exploring Operation: 77-73=4, Resulting Numbers: [22, 4] Generated Node #0,3,3: 43:[22, 4] Operation: 77-73=4 Moving to Node #0,2,1 Current State: 43:[62, 66], Operations: ['77-15=62', '73-7=66'] Exploring Operation: 66-62=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 62+66=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 62*66=4092, Resulting Numbers: [4092] 4092,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[73, 55], Operations: ['77-7=70', '70-15=55'] Exploring Operation: 73*55=4015, Resulting Numbers: [4015] 4015,43 unequal: No Solution Exploring Operation: 73+55=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 73-55=18, Resulting Numbers: [18] 18,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[73, 55], Operations: ['77-15=62', '62-7=55'] Exploring Operation: 73-55=18, Resulting Numbers: [18] 18,43 unequal: No Solution Exploring Operation: 73+55=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 73*55=4015, Resulting Numbers: [4015] 4015,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[70, 58], Operations: ['77-7=70', '73-15=58'] Exploring Operation: 70+58=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 70-58=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 70*58=4060, Resulting Numbers: [4060] 4060,43 unequal: No Solution Moving to Node #0,3,2 Current State: 43:[77, 51], Operations: ['15+7=22', '73-22=51'] Exploring Operation: 77-51=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 77*51=3927, Resulting Numbers: [3927] 3927,43 unequal: No Solution Exploring Operation: 77+51=128, Resulting Numbers: [128] 128,43 unequal: No Solution Moving to Node #0,3,0 Current State: 43:[73, 55], Operations: ['15+7=22', '77-22=55'] Exploring Operation: 73-55=18, Resulting Numbers: [18] 18,43 unequal: No Solution Exploring Operation: 73+55=128, Resulting Numbers: [128] 128,43 unequal: No Solution Exploring Operation: 73*55=4015, Resulting Numbers: [4015] 4015,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[62, 80], Operations: ['77-15=62', '7+73=80'] Exploring Operation: 62+80=142, Resulting Numbers: [142] 142,43 unequal: No Solution Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,43 unequal: No Solution Exploring Operation: 62*80=4960, Resulting Numbers: [4960] 4960,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[73, 69], Operations: ['77-15=62', '7+62=69'] Exploring Operation: 73-69=4, Resulting Numbers: [4] 4,43 unequal: No Solution Exploring Operation: 73*69=5037, Resulting Numbers: [5037] 5037,43 unequal: No Solution Exploring Operation: 73+69=142, Resulting Numbers: [142] 142,43 unequal: No Solution Moving to Node #0,3,3 Current State: 43:[22, 4], Operations: ['15+7=22', '77-73=4'] Exploring Operation: 22+4=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 22*4=88, Resulting Numbers: [88] 88,43 unequal: No Solution Exploring Operation: 22-4=18, Resulting Numbers: [18] 18,43 unequal: No Solution Moving to Node #0,1,3 Current State: 43:[15, 3], Operations: ['77-7=70', '73-70=3'] Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,43 unequal: No Solution Exploring Operation: 15-3=12, Resulting Numbers: [12] 12,43 unequal: No Solution Exploring Operation: 15+3=18, Resulting Numbers: [18] 18,43 unequal: No Solution Exploring Operation: 15*3=45, Resulting Numbers: [45] 45,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[70, 88], Operations: ['77-7=70', '15+73=88'] Exploring Operation: 88-70=18, Resulting Numbers: [18] 18,43 unequal: No Solution Exploring Operation: 70+88=158, Resulting Numbers: [158] 158,43 unequal: No Solution Exploring Operation: 70*88=6160, Resulting Numbers: [6160] 6160,43 unequal: No Solution Moving to Node #0,3,1 Current State: 43:[73, 99], Operations: ['15+7=22', '77+22=99'] Exploring Operation: 99-73=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 73*99=7227, Resulting Numbers: [7227] 7227,43 unequal: No Solution Exploring Operation: 73+99=172, Resulting Numbers: [172] 172,43 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 35, 98, 3, 58 ]
78
[ "35+98=133", "58-3=55", "133-55=78" ]
Current State: 78:[35, 98, 3, 58], Operations: [] Exploring Operation: 35+98=133, Resulting Numbers: [3, 58, 133] Generated Node #2: [3, 58, 133] from Operation: 35+98=133 Current State: 78:[3, 58, 133], Operations: ['35+98=133'] Exploring Operation: 58-3=55, Resulting Numbers: [133, 55] Generated Node #3: [133, 55] from Operation: 58-3=55 Current State: 78:[133, 55], Operations: ['35+98=133', '58-3=55'] Exploring Operation: 133-55=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[35, 98, 3, 58], Operations: [] Exploring Operation: 98-58=40, Resulting Numbers: [35, 3, 40] Generated Node #0,0: 78:[35, 3, 40] Operation: 98-58=40 Moving to Node #0,0 Current State: 78:[35, 3, 40], Operations: ['98-58=40'] Exploring Operation: 40-35=5, Resulting Numbers: [3, 5] Generated Node #0,0,0: 78:[3, 5] Operation: 40-35=5 Moving to Node #0,0,0 Current State: 78:[3, 5], Operations: ['98-58=40', '40-35=5'] Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,78 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 94, 58, 1, 39 ]
76
[ "94-58=36", "1+39=40", "36+40=76" ]
Current State: 76:[94, 58, 1, 39], Operations: [] Exploring Operation: 94-58=36, Resulting Numbers: [1, 39, 36] Generated Node #2: [1, 39, 36] from Operation: 94-58=36 Current State: 76:[1, 39, 36], Operations: ['94-58=36'] Exploring Operation: 1+39=40, Resulting Numbers: [36, 40] Generated Node #3: [36, 40] from Operation: 1+39=40 Current State: 76:[36, 40], Operations: ['94-58=36', '1+39=40'] Exploring Operation: 36+40=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[94, 58, 1, 39], Operations: [] Exploring Operation: 94-1=93, Resulting Numbers: [58, 39, 93] Generated Node #0,0: 76:[58, 39, 93] Operation: 94-1=93 Exploring Operation: 58-39=19, Resulting Numbers: [94, 1, 19] Generated Node #0,1: 76:[94, 1, 19] Operation: 58-39=19 Exploring Operation: 94-39=55, Resulting Numbers: [58, 1, 55] Generated Node #0,2: 76:[58, 1, 55] Operation: 94-39=55 Exploring Operation: 94-58=36, Resulting Numbers: [1, 39, 36] Generated Node #0,3: 76:[1, 39, 36] Operation: 94-58=36 Start Sub Search at level 1: Moving to Node #0,3 Current State: 76:[1, 39, 36], Operations: ['94-58=36'] Exploring Operation: 39-36=3, Resulting Numbers: [1, 3] Generated Node #0,3,0: 76:[1, 3] Operation: 39-36=3 Exploring Operation: 39+36=75, Resulting Numbers: [1, 75] Generated Node #0,3,1: 76:[1, 75] Operation: 39+36=75 Exploring Operation: 1+36=37, Resulting Numbers: [39, 37] Generated Node #0,3,2: 76:[39, 37] Operation: 1+36=37 Exploring Operation: 39-1=38, Resulting Numbers: [36, 38] Generated Node #0,3,3: 76:[36, 38] Operation: 39-1=38 Moving to Node #0,3,0 Current State: 76:[1, 3], Operations: ['94-58=36', '39-36=3'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,76 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 1+3=4, Resulting Numbers: [4] 4,76 unequal: No Solution Exploring Operation: 1*3=3, Resulting Numbers: [3] 3,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[39, 37], Operations: ['94-58=36', '1+36=37'] Exploring Operation: 39*37=1443, Resulting Numbers: [1443] 1443,76 unequal: No Solution Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[94, 58, 1, 39], Operations: [] Exploring Operation: 94-58=36, Resulting Numbers: [1, 39, 36] Generated Node #0,3: 76:[1, 39, 36] Operation: 94-58=36 Moving to Node #0,3 Current State: 76:[1, 39, 36], Operations: ['94-58=36'] Exploring Operation: 1+36=37, Resulting Numbers: [39, 37] Generated Node #0,3,2: 76:[39, 37] Operation: 1+36=37 Moving to Node #0,3,2 Current State: 76:[39, 37], Operations: ['94-58=36', '1+36=37'] Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 13, 75, 79, 63 ]
25
[ "79-13=66", "66-63=3", "75/3=25" ]
Current State: 25:[13, 75, 79, 63], Operations: [] Exploring Operation: 79-13=66, Resulting Numbers: [75, 63, 66] Generated Node #2: [75, 63, 66] from Operation: 79-13=66 Current State: 25:[75, 63, 66], Operations: ['79-13=66'] Exploring Operation: 66-63=3, Resulting Numbers: [75, 3] Generated Node #3: [75, 3] from Operation: 66-63=3 Current State: 25:[75, 3], Operations: ['79-13=66', '66-63=3'] Exploring Operation: 75/3=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[13, 75, 79, 63], Operations: [] Exploring Operation: 79-75=4, Resulting Numbers: [13, 63, 4] Generated Node #0,0: 25:[13, 63, 4] Operation: 79-75=4 Exploring Operation: 79-63=16, Resulting Numbers: [13, 75, 16] Generated Node #0,1: 25:[13, 75, 16] Operation: 79-63=16 Moving to Node #0,0 Current State: 25:[13, 63, 4], Operations: ['79-75=4'] Exploring Operation: 13-4=9, Resulting Numbers: [63, 9] Generated Node #0,0,0: 25:[63, 9] Operation: 13-4=9 Exploring Operation: 63-13=50, Resulting Numbers: [4, 50] Generated Node #0,0,1: 25:[4, 50] Operation: 63-13=50 Moving to Node #0,1 Current State: 25:[13, 75, 16], Operations: ['79-63=16'] Exploring Operation: 75-13=62, Resulting Numbers: [16, 62] Generated Node #0,1,0: 25:[16, 62] Operation: 75-13=62 Exploring Operation: 75-16=59, Resulting Numbers: [13, 59] Generated Node #0,1,1: 25:[13, 59] Operation: 75-16=59 Moving to Node #0,0,1 Current State: 25:[4, 50], Operations: ['79-75=4', '63-13=50'] Exploring Operation: 50-4=46, Resulting Numbers: [46] 46,25 unequal: No Solution Exploring Operation: 4+50=54, Resulting Numbers: [54] 54,25 unequal: No Solution Moving to Node #0,1,1 Current State: 25:[13, 59], Operations: ['79-63=16', '75-16=59'] Exploring Operation: 59-13=46, Resulting Numbers: [46] 46,25 unequal: No Solution Exploring Operation: 13+59=72, Resulting Numbers: [72] 72,25 unequal: No Solution Moving to Node #0,0,0 Current State: 25:[63, 9], Operations: ['79-75=4', '13-4=9'] Exploring Operation: 63-9=54, Resulting Numbers: [54] 54,25 unequal: No Solution Exploring Operation: 63/9=7, Resulting Numbers: [7] 7,25 unequal: No Solution Moving to Node #0,1,0 Current State: 25:[16, 62], Operations: ['79-63=16', '75-13=62'] Exploring Operation: 16+62=78, Resulting Numbers: [78] 78,25 unequal: No Solution Exploring Operation: 62-16=46, Resulting Numbers: [46] 46,25 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 8, 77, 66, 29 ]
26
[ "77-8=69", "66+29=95", "95-69=26" ]
Current State: 26:[8, 77, 66, 29], Operations: [] Exploring Operation: 77-8=69, Resulting Numbers: [66, 29, 69] Generated Node #2: [66, 29, 69] from Operation: 77-8=69 Current State: 26:[66, 29, 69], Operations: ['77-8=69'] Exploring Operation: 66+29=95, Resulting Numbers: [69, 95] Generated Node #3: [69, 95] from Operation: 66+29=95 Current State: 26:[69, 95], Operations: ['77-8=69', '66+29=95'] Exploring Operation: 95-69=26, Resulting Numbers: [26] 26,26 equal: Goal Reached
4
Current State: 26:[8, 77, 66, 29], Operations: [] Exploring Operation: 77-66=11, Resulting Numbers: [8, 29, 11] Generated Node #0,0: 26:[8, 29, 11] Operation: 77-66=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 26:[8, 29, 11], Operations: ['77-66=11'] Exploring Operation: 11-8=3, Resulting Numbers: [29, 3] Generated Node #0,0,0: 26:[29, 3] Operation: 11-8=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 26:[29, 3], Operations: ['77-66=11', '11-8=3'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Moving to Node #0 Current State: 26:[8, 77, 66, 29], Operations: [] Exploring Operation: 77-66=11, Resulting Numbers: [8, 29, 11] Generated Node #0,0: 26:[8, 29, 11] Operation: 77-66=11 Moving to Node #0,0 Current State: 26:[8, 29, 11], Operations: ['77-66=11'] Exploring Operation: 11-8=3, Resulting Numbers: [29, 3] Generated Node #0,0,0: 26:[29, 3] Operation: 11-8=3 Moving to Node #0,0,0 Current State: 26:[29, 3], Operations: ['77-66=11', '11-8=3'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,26 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic
[ 94, 52, 95, 13 ]
40
[ "94-52=42", "95-13=82", "82-42=40" ]
Current State: 40:[94, 52, 95, 13], Operations: [] Exploring Operation: 94-52=42, Resulting Numbers: [95, 13, 42] Generated Node #2: [95, 13, 42] from Operation: 94-52=42 Current State: 40:[95, 13, 42], Operations: ['94-52=42'] Exploring Operation: 95-13=82, Resulting Numbers: [42, 82] Generated Node #3: [42, 82] from Operation: 95-13=82 Current State: 40:[42, 82], Operations: ['94-52=42', '95-13=82'] Exploring Operation: 82-42=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[94, 52, 95, 13], Operations: [] Exploring Operation: 95-94=1, Resulting Numbers: [52, 13, 1] Generated Node #0,0: 40:[52, 13, 1] Operation: 95-94=1 Exploring Operation: 95-52=43, Resulting Numbers: [94, 13, 43] Generated Node #0,1: 40:[94, 13, 43] Operation: 95-52=43 Exploring Operation: 94-13=81, Resulting Numbers: [52, 95, 81] Generated Node #0,2: 40:[52, 95, 81] Operation: 94-13=81 Exploring Operation: 94-52=42, Resulting Numbers: [95, 13, 42] Generated Node #0,3: 40:[95, 13, 42] Operation: 94-52=42 Start Sub Search at level 1: Moving to Node #0,0 Current State: 40:[52, 13, 1], Operations: ['95-94=1'] Exploring Operation: 52-1=51, Resulting Numbers: [13, 51] Generated Node #0,0,0: 40:[13, 51] Operation: 52-1=51 Exploring Operation: 52/13=4, Resulting Numbers: [1, 4] Generated Node #0,0,1: 40:[1, 4] Operation: 52/13=4 Exploring Operation: 13-1=12, Resulting Numbers: [52, 12] Generated Node #0,0,2: 40:[52, 12] Operation: 13-1=12 Exploring Operation: 52-13=39, Resulting Numbers: [1, 39] Generated Node #0,0,3: 40:[1, 39] Operation: 52-13=39 Moving to Node #0,0,1 Current State: 40:[1, 4], Operations: ['95-94=1', '52/13=4'] Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,40 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,40 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,40 unequal: No Solution Moving to Node #0,0,3 Current State: 40:[1, 39], Operations: ['95-94=1', '52-13=39'] Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[94, 52, 95, 13], Operations: [] Exploring Operation: 95-94=1, Resulting Numbers: [52, 13, 1] Generated Node #0,0: 40:[52, 13, 1] Operation: 95-94=1 Moving to Node #0,0 Current State: 40:[52, 13, 1], Operations: ['95-94=1'] Exploring Operation: 52-13=39, Resulting Numbers: [1, 39] Generated Node #0,0,3: 40:[1, 39] Operation: 52-13=39 Moving to Node #0,0,3 Current State: 40:[1, 39], Operations: ['95-94=1', '52-13=39'] Exploring Operation: 1+39=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_4
sum_heuristic
[ 64, 43, 4, 81 ]
98
[ "64-43=21", "81-4=77", "21+77=98" ]
Current State: 98:[64, 43, 4, 81], Operations: [] Exploring Operation: 64-43=21, Resulting Numbers: [4, 81, 21] Generated Node #2: [4, 81, 21] from Operation: 64-43=21 Current State: 98:[4, 81, 21], Operations: ['64-43=21'] Exploring Operation: 81-4=77, Resulting Numbers: [21, 77] Generated Node #3: [21, 77] from Operation: 81-4=77 Current State: 98:[21, 77], Operations: ['64-43=21', '81-4=77'] Exploring Operation: 21+77=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[64, 43, 4, 81], Operations: [] Exploring Operation: 64/4=16, Resulting Numbers: [43, 81, 16] Generated Node #0,0: 98:[43, 81, 16] Operation: 64/4=16 Exploring Operation: 81-64=17, Resulting Numbers: [43, 4, 17] Generated Node #0,1: 98:[43, 4, 17] Operation: 81-64=17 Exploring Operation: 64-43=21, Resulting Numbers: [4, 81, 21] Generated Node #0,2: 98:[4, 81, 21] Operation: 64-43=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[43, 4, 17], Operations: ['81-64=17'] Exploring Operation: 43+4=47, Resulting Numbers: [17, 47] Generated Node #0,1,0: 98:[17, 47] Operation: 43+4=47 Exploring Operation: 17-4=13, Resulting Numbers: [43, 13] Generated Node #0,1,1: 98:[43, 13] Operation: 17-4=13 Exploring Operation: 43-4=39, Resulting Numbers: [17, 39] Generated Node #0,1,2: 98:[17, 39] Operation: 43-4=39 Moving to Node #0,1,0 Current State: 98:[17, 47], Operations: ['81-64=17', '43+4=47'] Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,98 unequal: No Solution Exploring Operation: 17*47=799, Resulting Numbers: [799] 799,98 unequal: No Solution Exploring Operation: 17+47=64, Resulting Numbers: [64] 64,98 unequal: No Solution Moving to Node #0,1,1 Current State: 98:[43, 13], Operations: ['81-64=17', '17-4=13'] Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,98 unequal: No Solution Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[17, 39], Operations: ['81-64=17', '43-4=39'] Exploring Operation: 17+39=56, Resulting Numbers: [56] 56,98 unequal: No Solution Exploring Operation: 17*39=663, Resulting Numbers: [663] 663,98 unequal: No Solution Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[43, 81, 16], Operations: ['64/4=16'] Exploring Operation: 81+16=97, Resulting Numbers: [43, 97] Generated Node #0,0,0: 98:[43, 97] Operation: 81+16=97 Exploring Operation: 81-43=38, Resulting Numbers: [16, 38] Generated Node #0,0,1: 98:[16, 38] Operation: 81-43=38 Exploring Operation: 81-16=65, Resulting Numbers: [43, 65] Generated Node #0,0,2: 98:[43, 65] Operation: 81-16=65 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 98:[43, 97], Operations: ['64/4=16', '81+16=97'] Exploring Operation: 43+97=140, Resulting Numbers: [140] 140,98 unequal: No Solution Exploring Operation: 97-43=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 43*97=4171, Resulting Numbers: [4171] 4171,98 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 #0,0,1 Current State: 98:[16, 38], Operations: ['64/4=16', '81-43=38'] Exploring Operation: 16*38=608, Resulting Numbers: [608] 608,98 unequal: No Solution Exploring Operation: 16+38=54, Resulting Numbers: [54] 54,98 unequal: No Solution Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,98 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:[43, 65], Operations: ['64/4=16', '81-16=65'] Exploring Operation: 65-43=22, Resulting Numbers: [22] 22,98 unequal: No Solution Exploring Operation: 43+65=108, Resulting Numbers: [108] 108,98 unequal: No Solution Exploring Operation: 43*65=2795, Resulting Numbers: [2795] 2795,98 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 #0,2 Current State: 98:[4, 81, 21], Operations: ['64-43=21'] Exploring Operation: 81-21=60, Resulting Numbers: [4, 60] Generated Node #0,2,0: 98:[4, 60] Operation: 81-21=60 Exploring Operation: 4+81=85, Resulting Numbers: [21, 85] Generated Node #0,2,1: 98:[21, 85] Operation: 4+81=85 Exploring Operation: 81+21=102, Resulting Numbers: [4, 102] Generated Node #0,2,2: 98:[4, 102] Operation: 81+21=102 Moving to Node #0,2,2 Current State: 98:[4, 102], Operations: ['64-43=21', '81+21=102'] Exploring Operation: 4*102=408, Resulting Numbers: [408] 408,98 unequal: No Solution Exploring Operation: 4+102=106, Resulting Numbers: [106] 106,98 unequal: No Solution Exploring Operation: 102-4=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[64, 43, 4, 81], Operations: [] Exploring Operation: 64-43=21, Resulting Numbers: [4, 81, 21] Generated Node #0,2: 98:[4, 81, 21] Operation: 64-43=21 Moving to Node #0,2 Current State: 98:[4, 81, 21], Operations: ['64-43=21'] Exploring Operation: 81+21=102, Resulting Numbers: [4, 102] Generated Node #0,2,2: 98:[4, 102] Operation: 81+21=102 Moving to Node #0,2,2 Current State: 98:[4, 102], Operations: ['64-43=21', '81+21=102'] Exploring Operation: 102-4=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_3
sum_heuristic
[ 29, 76, 24, 9 ]
32
[ "76-29=47", "24-9=15", "47-15=32" ]
Current State: 32:[29, 76, 24, 9], Operations: [] Exploring Operation: 76-29=47, Resulting Numbers: [24, 9, 47] Generated Node #2: [24, 9, 47] from Operation: 76-29=47 Current State: 32:[24, 9, 47], Operations: ['76-29=47'] Exploring Operation: 24-9=15, Resulting Numbers: [47, 15] Generated Node #3: [47, 15] from Operation: 24-9=15 Current State: 32:[47, 15], Operations: ['76-29=47', '24-9=15'] Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[29, 76, 24, 9], Operations: [] Exploring Operation: 76-24=52, Resulting Numbers: [29, 9, 52] Generated Node #0,0: 32:[29, 9, 52] Operation: 76-24=52 Exploring Operation: 76-29=47, Resulting Numbers: [24, 9, 47] Generated Node #0,1: 32:[24, 9, 47] Operation: 76-29=47 Exploring Operation: 24+9=33, Resulting Numbers: [29, 76, 33] Generated Node #0,2: 32:[29, 76, 33] Operation: 24+9=33 Exploring Operation: 29-24=5, Resulting Numbers: [76, 9, 5] Generated Node #0,3: 32:[76, 9, 5] Operation: 29-24=5 Exploring Operation: 76-9=67, Resulting Numbers: [29, 24, 67] Generated Node #0,4: 32:[29, 24, 67] Operation: 76-9=67 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[29, 9, 52], Operations: ['76-24=52'] Exploring Operation: 9+52=61, Resulting Numbers: [29, 61] Generated Node #0,0,0: 32:[29, 61] Operation: 9+52=61 Exploring Operation: 29-9=20, Resulting Numbers: [52, 20] Generated Node #0,0,1: 32:[52, 20] Operation: 29-9=20 Exploring Operation: 52-9=43, Resulting Numbers: [29, 43] Generated Node #0,0,2: 32:[29, 43] Operation: 52-9=43 Exploring Operation: 29+9=38, Resulting Numbers: [52, 38] Generated Node #0,0,3: 32:[52, 38] Operation: 29+9=38 Exploring Operation: 52-29=23, Resulting Numbers: [9, 23] Generated Node #0,0,4: 32:[9, 23] Operation: 52-29=23 Moving to Node #0,0,4 Current State: 32:[9, 23], Operations: ['76-24=52', '52-29=23'] Exploring Operation: 23-9=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 9*23=207, Resulting Numbers: [207] 207,32 unequal: No Solution Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[29, 76, 24, 9], Operations: [] Exploring Operation: 76-24=52, Resulting Numbers: [29, 9, 52] Generated Node #0,0: 32:[29, 9, 52] Operation: 76-24=52 Moving to Node #0,0 Current State: 32:[29, 9, 52], Operations: ['76-24=52'] Exploring Operation: 52-29=23, Resulting Numbers: [9, 23] Generated Node #0,0,4: 32:[9, 23] Operation: 52-29=23 Moving to Node #0,0,4 Current State: 32:[9, 23], Operations: ['76-24=52', '52-29=23'] Exploring Operation: 9+23=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 20, 31, 14, 82 ]
79
[ "31-20=11", "82-14=68", "11+68=79" ]
Current State: 79:[20, 31, 14, 82], Operations: [] Exploring Operation: 31-20=11, Resulting Numbers: [14, 82, 11] Generated Node #2: [14, 82, 11] from Operation: 31-20=11 Current State: 79:[14, 82, 11], Operations: ['31-20=11'] Exploring Operation: 82-14=68, Resulting Numbers: [11, 68] Generated Node #3: [11, 68] from Operation: 82-14=68 Current State: 79:[11, 68], Operations: ['31-20=11', '82-14=68'] Exploring Operation: 11+68=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[20, 31, 14, 82], Operations: [] Exploring Operation: 20+31=51, Resulting Numbers: [14, 82, 51] Generated Node #0,0: 79:[14, 82, 51] Operation: 20+31=51 Exploring Operation: 20+14=34, Resulting Numbers: [31, 82, 34] Generated Node #0,1: 79:[31, 82, 34] Operation: 20+14=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[14, 82, 51], Operations: ['20+31=51'] Exploring Operation: 14+51=65, Resulting Numbers: [82, 65] Generated Node #0,0,0: 79:[82, 65] Operation: 14+51=65 Exploring Operation: 82-14=68, Resulting Numbers: [51, 68] Generated Node #0,0,1: 79:[51, 68] Operation: 82-14=68 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 79:[82, 65], Operations: ['20+31=51', '14+51=65'] Exploring Operation: 82-65=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 82+65=147, Resulting Numbers: [147] 147,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 79:[51, 68], Operations: ['20+31=51', '82-14=68'] Exploring Operation: 68-51=17, Resulting Numbers: [17] 17,79 unequal: No Solution Exploring Operation: 51+68=119, Resulting Numbers: [119] 119,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[31, 82, 34], Operations: ['20+14=34'] Exploring Operation: 82-31=51, Resulting Numbers: [34, 51] Generated Node #0,1,0: 79:[34, 51] Operation: 82-31=51 Exploring Operation: 31+34=65, Resulting Numbers: [82, 65] Generated Node #0,1,1: 79:[82, 65] Operation: 31+34=65 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 79:[82, 65], Operations: ['20+14=34', '31+34=65'] Exploring Operation: 82+65=147, Resulting Numbers: [147] 147,79 unequal: No Solution Exploring Operation: 82-65=17, Resulting Numbers: [17] 17,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[34, 51], Operations: ['20+14=34', '82-31=51'] Exploring Operation: 34+51=85, Resulting Numbers: [85] 85,79 unequal: No Solution Exploring Operation: 51-34=17, Resulting Numbers: [17] 17,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 50, 54, 95, 12 ]
21
[ "50+54=104", "95-12=83", "104-83=21" ]
Current State: 21:[50, 54, 95, 12], Operations: [] Exploring Operation: 50+54=104, Resulting Numbers: [95, 12, 104] Generated Node #2: [95, 12, 104] from Operation: 50+54=104 Current State: 21:[95, 12, 104], Operations: ['50+54=104'] Exploring Operation: 95-12=83, Resulting Numbers: [104, 83] Generated Node #3: [104, 83] from Operation: 95-12=83 Current State: 21:[104, 83], Operations: ['50+54=104', '95-12=83'] Exploring Operation: 104-83=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[50, 54, 95, 12], Operations: [] Exploring Operation: 95-50=45, Resulting Numbers: [54, 12, 45] Generated Node #0,0: 21:[54, 12, 45] Operation: 95-50=45 Exploring Operation: 54-50=4, Resulting Numbers: [95, 12, 4] Generated Node #0,1: 21:[95, 12, 4] Operation: 54-50=4 Exploring Operation: 95-54=41, Resulting Numbers: [50, 12, 41] Generated Node #0,2: 21:[50, 12, 41] Operation: 95-54=41 Exploring Operation: 54-12=42, Resulting Numbers: [50, 95, 42] Generated Node #0,3: 21:[50, 95, 42] Operation: 54-12=42 Exploring Operation: 50-12=38, Resulting Numbers: [54, 95, 38] Generated Node #0,4: 21:[54, 95, 38] Operation: 50-12=38 Start Sub Search at level 1: Moving to Node #0,2 Current State: 21:[50, 12, 41], Operations: ['95-54=41'] Exploring Operation: 50-12=38, Resulting Numbers: [41, 38] Generated Node #0,2,0: 21:[41, 38] Operation: 50-12=38 Exploring Operation: 12+41=53, Resulting Numbers: [50, 53] Generated Node #0,2,1: 21:[50, 53] Operation: 12+41=53 Exploring Operation: 50+12=62, Resulting Numbers: [41, 62] Generated Node #0,2,2: 21:[41, 62] Operation: 50+12=62 Exploring Operation: 50-41=9, Resulting Numbers: [12, 9] Generated Node #0,2,3: 21:[12, 9] Operation: 50-41=9 Exploring Operation: 41-12=29, Resulting Numbers: [50, 29] Generated Node #0,2,4: 21:[50, 29] Operation: 41-12=29 Moving to Node #0,2,3 Current State: 21:[12, 9], Operations: ['95-54=41', '50-41=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[50, 54, 95, 12], Operations: [] Exploring Operation: 95-54=41, Resulting Numbers: [50, 12, 41] Generated Node #0,2: 21:[50, 12, 41] Operation: 95-54=41 Moving to Node #0,2 Current State: 21:[50, 12, 41], Operations: ['95-54=41'] Exploring Operation: 50-41=9, Resulting Numbers: [12, 9] Generated Node #0,2,3: 21:[12, 9] Operation: 50-41=9 Moving to Node #0,2,3 Current State: 21:[12, 9], Operations: ['95-54=41', '50-41=9'] Exploring Operation: 12+9=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 77, 84, 94, 77 ]
83
[ "84-77=7", "77/7=11", "94-11=83" ]
Current State: 83:[77, 84, 94, 77], Operations: [] Exploring Operation: 84-77=7, Resulting Numbers: [94, 7] Generated Node #2: [94, 7] from Operation: 84-77=7 Current State: 83:[94, 7], Operations: ['84-77=7'] Exploring Operation: 77/7=11, Resulting Numbers: [94, 11] Generated Node #3: [94, 11] from Operation: 77/7=11 Current State: 83:[94, 11], Operations: ['84-77=7', '77/7=11'] Exploring Operation: 94-11=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[77, 84, 94, 77], Operations: [] Exploring Operation: 94-77=17, Resulting Numbers: [84, 77, 17] Generated Node #0,0: 83:[84, 77, 17] Operation: 94-77=17 Exploring Operation: 94-77=17, Resulting Numbers: [77, 84, 17] Generated Node #0,1: 83:[77, 84, 17] Operation: 94-77=17 Moving to Node #0,0 Current State: 83:[84, 77, 17], Operations: ['94-77=17'] Exploring Operation: 77+17=94, Resulting Numbers: [84, 94] Generated Node #0,0,0: 83:[84, 94] Operation: 77+17=94 Exploring Operation: 84-17=67, Resulting Numbers: [77, 67] Generated Node #0,0,1: 83:[77, 67] Operation: 84-17=67 Moving to Node #0,1 Current State: 83:[77, 84, 17], Operations: ['94-77=17'] Exploring Operation: 77+17=94, Resulting Numbers: [84, 94] Generated Node #0,1,0: 83:[84, 94] Operation: 77+17=94 Exploring Operation: 84-17=67, Resulting Numbers: [77, 67] Generated Node #0,1,1: 83:[77, 67] Operation: 84-17=67 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[84, 94], Operations: ['94-77=17', '77+17=94'] Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,83 unequal: No Solution Exploring Operation: 84+94=178, Resulting Numbers: [178] 178,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[77, 67], Operations: ['94-77=17', '84-17=67'] Exploring Operation: 77+67=144, Resulting Numbers: [144] 144,83 unequal: No Solution Exploring Operation: 77-67=10, Resulting Numbers: [10] 10,83 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: 83:[84, 94], Operations: ['94-77=17', '77+17=94'] Exploring Operation: 94-84=10, Resulting Numbers: [10] 10,83 unequal: No Solution Exploring Operation: 84+94=178, Resulting Numbers: [178] 178,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[77, 67], Operations: ['94-77=17', '84-17=67'] Exploring Operation: 77+67=144, Resulting Numbers: [144] 144,83 unequal: No Solution Exploring Operation: 77-67=10, Resulting Numbers: [10] 10,83 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 60, 5, 23, 45 ]
10
[ "60/5=12", "45-23=22", "22-12=10" ]
Current State: 10:[60, 5, 23, 45], Operations: [] Exploring Operation: 60/5=12, Resulting Numbers: [23, 45, 12] Generated Node #2: [23, 45, 12] from Operation: 60/5=12 Current State: 10:[23, 45, 12], Operations: ['60/5=12'] Exploring Operation: 45-23=22, Resulting Numbers: [12, 22] Generated Node #3: [12, 22] from Operation: 45-23=22 Current State: 10:[12, 22], Operations: ['60/5=12', '45-23=22'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[60, 5, 23, 45], Operations: [] Exploring Operation: 60/5=12, Resulting Numbers: [23, 45, 12] Generated Node #0,0: 10:[23, 45, 12] Operation: 60/5=12 Exploring Operation: 60-45=15, Resulting Numbers: [5, 23, 15] Generated Node #0,1: 10:[5, 23, 15] Operation: 60-45=15 Exploring Operation: 60-23=37, Resulting Numbers: [5, 45, 37] Generated Node #0,2: 10:[5, 45, 37] Operation: 60-23=37 Moving to Node #0,1 Current State: 10:[5, 23, 15], Operations: ['60-45=15'] Exploring Operation: 15-5=10, Resulting Numbers: [23, 10] Generated Node #0,1,0: 10:[23, 10] Operation: 15-5=10 Exploring Operation: 23-5=18, Resulting Numbers: [15, 18] Generated Node #0,1,1: 10:[15, 18] Operation: 23-5=18 Exploring Operation: 23-15=8, Resulting Numbers: [5, 8] Generated Node #0,1,2: 10:[5, 8] Operation: 23-15=8 Moving to Node #0,0 Current State: 10:[23, 45, 12], Operations: ['60/5=12'] Exploring Operation: 23-12=11, Resulting Numbers: [45, 11] Generated Node #0,0,0: 10:[45, 11] Operation: 23-12=11 Exploring Operation: 45-23=22, Resulting Numbers: [12, 22] Generated Node #0,0,1: 10:[12, 22] Operation: 45-23=22 Exploring Operation: 45-12=33, Resulting Numbers: [23, 33] Generated Node #0,0,2: 10:[23, 33] Operation: 45-12=33 Moving to Node #0,2 Current State: 10:[5, 45, 37], Operations: ['60-23=37'] Exploring Operation: 45-37=8, Resulting Numbers: [5, 8] Generated Node #0,2,0: 10:[5, 8] Operation: 45-37=8 Exploring Operation: 45/5=9, Resulting Numbers: [37, 9] Generated Node #0,2,1: 10:[37, 9] Operation: 45/5=9 Exploring Operation: 45-5=40, Resulting Numbers: [37, 40] Generated Node #0,2,2: 10:[37, 40] Operation: 45-5=40 Moving to Node #0,1,2 Current State: 10:[5, 8], Operations: ['60-45=15', '23-15=8'] Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,10 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,10 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[5, 8], Operations: ['60-23=37', '45-37=8'] Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,10 unequal: No Solution Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,10 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,10 unequal: No Solution Moving to Node #0,1,1 Current State: 10:[15, 18], Operations: ['60-45=15', '23-5=18'] Exploring Operation: 15+18=33, Resulting Numbers: [33] 33,10 unequal: No Solution Exploring Operation: 15*18=270, Resulting Numbers: [270] 270,10 unequal: No Solution Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,10 unequal: No Solution Moving to Node #0,1,0 Current State: 10:[23, 10], Operations: ['60-45=15', '15-5=10'] Exploring Operation: 23-10=13, Resulting Numbers: [13] 13,10 unequal: No Solution Exploring Operation: 23*10=230, Resulting Numbers: [230] 230,10 unequal: No Solution Exploring Operation: 23+10=33, Resulting Numbers: [33] 33,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[12, 22], Operations: ['60/5=12', '45-23=22'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[60, 5, 23, 45], Operations: [] Exploring Operation: 60/5=12, Resulting Numbers: [23, 45, 12] Generated Node #0,0: 10:[23, 45, 12] Operation: 60/5=12 Moving to Node #0,0 Current State: 10:[23, 45, 12], Operations: ['60/5=12'] Exploring Operation: 45-23=22, Resulting Numbers: [12, 22] Generated Node #0,0,1: 10:[12, 22] Operation: 45-23=22 Moving to Node #0,0,1 Current State: 10:[12, 22], Operations: ['60/5=12', '45-23=22'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.974826
hs_3
sum_heuristic
[ 2, 65, 6, 14 ]
76
[ "6/2=3", "65+14=79", "79-3=76" ]
Current State: 76:[2, 65, 6, 14], Operations: [] Exploring Operation: 6/2=3, Resulting Numbers: [65, 14, 3] Generated Node #2: [65, 14, 3] from Operation: 6/2=3 Current State: 76:[65, 14, 3], Operations: ['6/2=3'] Exploring Operation: 65+14=79, Resulting Numbers: [3, 79] Generated Node #3: [3, 79] from Operation: 65+14=79 Current State: 76:[3, 79], Operations: ['6/2=3', '65+14=79'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[2, 65, 6, 14], Operations: [] Exploring Operation: 6+14=20, Resulting Numbers: [2, 65, 20] Generated Node #0,0: 76:[2, 65, 20] Operation: 6+14=20 Exploring Operation: 65+14=79, Resulting Numbers: [2, 6, 79] Generated Node #0,1: 76:[2, 6, 79] Operation: 65+14=79 Exploring Operation: 65-14=51, Resulting Numbers: [2, 6, 51] Generated Node #0,2: 76:[2, 6, 51] Operation: 65-14=51 Exploring Operation: 65+6=71, Resulting Numbers: [2, 14, 71] Generated Node #0,3: 76:[2, 14, 71] Operation: 65+6=71 Start Sub Search at level 1: Moving to Node #0,1 Current State: 76:[2, 6, 79], Operations: ['65+14=79'] Exploring Operation: 6/2=3, Resulting Numbers: [79, 3] Generated Node #0,1,0: 76:[79, 3] Operation: 6/2=3 Exploring Operation: 6-2=4, Resulting Numbers: [79, 4] Generated Node #0,1,1: 76:[79, 4] Operation: 6-2=4 Exploring Operation: 79-2=77, Resulting Numbers: [6, 77] Generated Node #0,1,2: 76:[6, 77] Operation: 79-2=77 Exploring Operation: 79-6=73, Resulting Numbers: [2, 73] Generated Node #0,1,3: 76:[2, 73] Operation: 79-6=73 Moving to Node #0,1,1 Current State: 76:[79, 4], Operations: ['65+14=79', '6-2=4'] Exploring Operation: 79+4=83, Resulting Numbers: [83] 83,76 unequal: No Solution Exploring Operation: 79*4=316, Resulting Numbers: [316] 316,76 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,76 unequal: No Solution Moving to Node #0,1,3 Current State: 76:[2, 73], Operations: ['65+14=79', '79-6=73'] Exploring Operation: 2*73=146, Resulting Numbers: [146] 146,76 unequal: No Solution Exploring Operation: 73-2=71, Resulting Numbers: [71] 71,76 unequal: No Solution Exploring Operation: 2+73=75, Resulting Numbers: [75] 75,76 unequal: No Solution Moving to Node #0,1,2 Current State: 76:[6, 77], Operations: ['65+14=79', '79-2=77'] Exploring Operation: 6*77=462, Resulting Numbers: [462] 462,76 unequal: No Solution Exploring Operation: 6+77=83, Resulting Numbers: [83] 83,76 unequal: No Solution Exploring Operation: 77-6=71, Resulting Numbers: [71] 71,76 unequal: No Solution Moving to Node #0,1,0 Current State: 76:[79, 3], Operations: ['65+14=79', '6/2=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,76 unequal: No Solution Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Moving to Node #0 Current State: 76:[2, 65, 6, 14], Operations: [] Exploring Operation: 65+14=79, Resulting Numbers: [2, 6, 79] Generated Node #0,1: 76:[2, 6, 79] Operation: 65+14=79 Moving to Node #0,1 Current State: 76:[2, 6, 79], Operations: ['65+14=79'] Exploring Operation: 6/2=3, Resulting Numbers: [79, 3] Generated Node #0,1,0: 76:[79, 3] Operation: 6/2=3 Moving to Node #0,1,0 Current State: 76:[79, 3], Operations: ['65+14=79', '6/2=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,76 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 8, 32, 47, 83 ]
32
[ "32/8=4", "83-47=36", "36-4=32" ]
Current State: 32:[8, 32, 47, 83], Operations: [] Exploring Operation: 32/8=4, Resulting Numbers: [47, 83, 4] Generated Node #2: [47, 83, 4] from Operation: 32/8=4 Current State: 32:[47, 83, 4], Operations: ['32/8=4'] Exploring Operation: 83-47=36, Resulting Numbers: [4, 36] Generated Node #3: [4, 36] from Operation: 83-47=36 Current State: 32:[4, 36], Operations: ['32/8=4', '83-47=36'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[8, 32, 47, 83], Operations: [] Exploring Operation: 83-32=51, Resulting Numbers: [8, 47, 51] Generated Node #0,0: 32:[8, 47, 51] Operation: 83-32=51 Exploring Operation: 47-32=15, Resulting Numbers: [8, 83, 15] Generated Node #0,1: 32:[8, 83, 15] Operation: 47-32=15 Exploring Operation: 47-8=39, Resulting Numbers: [32, 83, 39] Generated Node #0,2: 32:[32, 83, 39] Operation: 47-8=39 Exploring Operation: 83-47=36, Resulting Numbers: [8, 32, 36] Generated Node #0,3: 32:[8, 32, 36] Operation: 83-47=36 Moving to Node #0,3 Current State: 32:[8, 32, 36], Operations: ['83-47=36'] Exploring Operation: 32/8=4, Resulting Numbers: [36, 4] Generated Node #0,3,0: 32:[36, 4] Operation: 32/8=4 Exploring Operation: 8+32=40, Resulting Numbers: [36, 40] Generated Node #0,3,1: 32:[36, 40] Operation: 8+32=40 Exploring Operation: 36-8=28, Resulting Numbers: [32, 28] Generated Node #0,3,2: 32:[32, 28] Operation: 36-8=28 Exploring Operation: 36-32=4, Resulting Numbers: [8, 4] Generated Node #0,3,3: 32:[8, 4] Operation: 36-32=4 Moving to Node #0,0 Current State: 32:[8, 47, 51], Operations: ['83-32=51'] Exploring Operation: 51-47=4, Resulting Numbers: [8, 4] Generated Node #0,0,0: 32:[8, 4] Operation: 51-47=4 Exploring Operation: 8+47=55, Resulting Numbers: [51, 55] Generated Node #0,0,1: 32:[51, 55] Operation: 8+47=55 Exploring Operation: 51-8=43, Resulting Numbers: [47, 43] Generated Node #0,0,2: 32:[47, 43] Operation: 51-8=43 Exploring Operation: 47-8=39, Resulting Numbers: [51, 39] Generated Node #0,0,3: 32:[51, 39] Operation: 47-8=39 Moving to Node #0,1 Current State: 32:[8, 83, 15], Operations: ['47-32=15'] Exploring Operation: 15-8=7, Resulting Numbers: [83, 7] Generated Node #0,1,0: 32:[83, 7] Operation: 15-8=7 Exploring Operation: 83-8=75, Resulting Numbers: [15, 75] Generated Node #0,1,1: 32:[15, 75] Operation: 83-8=75 Exploring Operation: 83-15=68, Resulting Numbers: [8, 68] Generated Node #0,1,2: 32:[8, 68] Operation: 83-15=68 Exploring Operation: 8+15=23, Resulting Numbers: [83, 23] Generated Node #0,1,3: 32:[83, 23] Operation: 8+15=23 Moving to Node #0,2 Current State: 32:[32, 83, 39], Operations: ['47-8=39'] Exploring Operation: 83-39=44, Resulting Numbers: [32, 44] Generated Node #0,2,0: 32:[32, 44] Operation: 83-39=44 Exploring Operation: 32+83=115, Resulting Numbers: [39, 115] Generated Node #0,2,1: 32:[39, 115] Operation: 32+83=115 Exploring Operation: 39-32=7, Resulting Numbers: [83, 7] Generated Node #0,2,2: 32:[83, 7] Operation: 39-32=7 Exploring Operation: 83-32=51, Resulting Numbers: [39, 51] Generated Node #0,2,3: 32:[39, 51] Operation: 83-32=51 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 32:[32, 44], Operations: ['47-8=39', '83-39=44'] Exploring Operation: 32+44=76, Resulting Numbers: [76] 76,32 unequal: No Solution Exploring Operation: 44-32=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 32*44=1408, Resulting Numbers: [1408] 1408,32 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 #0,2,3 Current State: 32:[39, 51], Operations: ['47-8=39', '83-32=51'] Exploring Operation: 39+51=90, Resulting Numbers: [90] 90,32 unequal: No Solution Exploring Operation: 51-39=12, Resulting Numbers: [12] 12,32 unequal: No Solution Exploring Operation: 39*51=1989, Resulting Numbers: [1989] 1989,32 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 #0,2,2 Current State: 32:[83, 7], Operations: ['47-8=39', '39-32=7'] Exploring Operation: 83-7=76, Resulting Numbers: [76] 76,32 unequal: No Solution Exploring Operation: 83+7=90, Resulting Numbers: [90] 90,32 unequal: No Solution Exploring Operation: 83*7=581, Resulting Numbers: [581] 581,32 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 #0,2,1 Current State: 32:[39, 115], Operations: ['47-8=39', '32+83=115'] Exploring Operation: 39+115=154, Resulting Numbers: [154] 154,32 unequal: No Solution Exploring Operation: 39*115=4485, Resulting Numbers: [4485] 4485,32 unequal: No Solution Exploring Operation: 115-39=76, Resulting Numbers: [76] 76,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,3 Current State: 32:[8, 4], Operations: ['83-47=36', '36-32=4'] Exploring Operation: 8/4=2, Resulting Numbers: [2] 2,32 unequal: No Solution Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[8, 32, 47, 83], Operations: [] Exploring Operation: 83-47=36, Resulting Numbers: [8, 32, 36] Generated Node #0,3: 32:[8, 32, 36] Operation: 83-47=36 Moving to Node #0,3 Current State: 32:[8, 32, 36], Operations: ['83-47=36'] Exploring Operation: 36-32=4, Resulting Numbers: [8, 4] Generated Node #0,3,3: 32:[8, 4] Operation: 36-32=4 Moving to Node #0,3,3 Current State: 32:[8, 4], Operations: ['83-47=36', '36-32=4'] Exploring Operation: 8*4=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
0.967014
hs_4
sum_heuristic
[ 95, 7, 57, 78 ]
47
[ "95-7=88", "57+78=135", "135-88=47" ]
Current State: 47:[95, 7, 57, 78], Operations: [] Exploring Operation: 95-7=88, Resulting Numbers: [57, 78, 88] Generated Node #2: [57, 78, 88] from Operation: 95-7=88 Current State: 47:[57, 78, 88], Operations: ['95-7=88'] Exploring Operation: 57+78=135, Resulting Numbers: [88, 135] Generated Node #3: [88, 135] from Operation: 57+78=135 Current State: 47:[88, 135], Operations: ['95-7=88', '57+78=135'] Exploring Operation: 135-88=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[95, 7, 57, 78], Operations: [] Exploring Operation: 57-7=50, Resulting Numbers: [95, 78, 50] Generated Node #0,0: 47:[95, 78, 50] Operation: 57-7=50 Exploring Operation: 95-57=38, Resulting Numbers: [7, 78, 38] Generated Node #0,1: 47:[7, 78, 38] Operation: 95-57=38 Exploring Operation: 95-78=17, Resulting Numbers: [7, 57, 17] Generated Node #0,2: 47:[7, 57, 17] Operation: 95-78=17 Exploring Operation: 78-7=71, Resulting Numbers: [95, 57, 71] Generated Node #0,3: 47:[95, 57, 71] Operation: 78-7=71 Exploring Operation: 95-7=88, Resulting Numbers: [57, 78, 88] Generated Node #0,4: 47:[57, 78, 88] Operation: 95-7=88 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[7, 78, 38], Operations: ['95-57=38'] Exploring Operation: 78-7=71, Resulting Numbers: [38, 71] Generated Node #0,1,0: 47:[38, 71] Operation: 78-7=71 Exploring Operation: 7+78=85, Resulting Numbers: [38, 85] Generated Node #0,1,1: 47:[38, 85] Operation: 7+78=85 Exploring Operation: 78-38=40, Resulting Numbers: [7, 40] Generated Node #0,1,2: 47:[7, 40] Operation: 78-38=40 Exploring Operation: 7+38=45, Resulting Numbers: [78, 45] Generated Node #0,1,3: 47:[78, 45] Operation: 7+38=45 Exploring Operation: 38-7=31, Resulting Numbers: [78, 31] Generated Node #0,1,4: 47:[78, 31] Operation: 38-7=31 Moving to Node #0,1,0 Current State: 47:[38, 71], Operations: ['95-57=38', '78-7=71'] Exploring Operation: 38+71=109, Resulting Numbers: [109] 109,47 unequal: No Solution Exploring Operation: 71-38=33, Resulting Numbers: [33] 33,47 unequal: No Solution Exploring Operation: 38*71=2698, Resulting Numbers: [2698] 2698,47 unequal: No Solution Moving to Node #0,1,3 Current State: 47:[78, 45], Operations: ['95-57=38', '7+38=45'] Exploring Operation: 78+45=123, Resulting Numbers: [123] 123,47 unequal: No Solution Exploring Operation: 78-45=33, Resulting Numbers: [33] 33,47 unequal: No Solution Exploring Operation: 78*45=3510, Resulting Numbers: [3510] 3510,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[38, 85], Operations: ['95-57=38', '7+78=85'] Exploring Operation: 38+85=123, Resulting Numbers: [123] 123,47 unequal: No Solution Exploring Operation: 85-38=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[95, 7, 57, 78], Operations: [] Exploring Operation: 95-57=38, Resulting Numbers: [7, 78, 38] Generated Node #0,1: 47:[7, 78, 38] Operation: 95-57=38 Moving to Node #0,1 Current State: 47:[7, 78, 38], Operations: ['95-57=38'] Exploring Operation: 7+78=85, Resulting Numbers: [38, 85] Generated Node #0,1,1: 47:[38, 85] Operation: 7+78=85 Moving to Node #0,1,1 Current State: 47:[38, 85], Operations: ['95-57=38', '7+78=85'] Exploring Operation: 85-38=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 51, 59, 38, 42 ]
49
[ "59-38=21", "42/21=2", "51-2=49" ]
Current State: 49:[51, 59, 38, 42], Operations: [] Exploring Operation: 59-38=21, Resulting Numbers: [51, 42, 21] Generated Node #2: [51, 42, 21] from Operation: 59-38=21 Current State: 49:[51, 42, 21], Operations: ['59-38=21'] Exploring Operation: 42/21=2, Resulting Numbers: [51, 2] Generated Node #3: [51, 2] from Operation: 42/21=2 Current State: 49:[51, 2], Operations: ['59-38=21', '42/21=2'] Exploring Operation: 51-2=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[51, 59, 38, 42], Operations: [] Exploring Operation: 59-51=8, Resulting Numbers: [38, 42, 8] Generated Node #0,0: 49:[38, 42, 8] Operation: 59-51=8 Exploring Operation: 42-38=4, Resulting Numbers: [51, 59, 4] Generated Node #0,1: 49:[51, 59, 4] Operation: 42-38=4 Moving to Node #0,1 Current State: 49:[51, 59, 4], Operations: ['42-38=4'] Exploring Operation: 59-51=8, Resulting Numbers: [4, 8] Generated Node #0,1,0: 49:[4, 8] Operation: 59-51=8 Exploring Operation: 59-4=55, Resulting Numbers: [51, 55] Generated Node #0,1,1: 49:[51, 55] Operation: 59-4=55 Moving to Node #0,0 Current State: 49:[38, 42, 8], Operations: ['59-51=8'] Exploring Operation: 38+8=46, Resulting Numbers: [42, 46] Generated Node #0,0,0: 49:[42, 46] Operation: 38+8=46 Exploring Operation: 42-38=4, Resulting Numbers: [8, 4] Generated Node #0,0,1: 49:[8, 4] Operation: 42-38=4 Moving to Node #0,1,0 Current State: 49:[4, 8], Operations: ['42-38=4', '59-51=8'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 4+8=12, Resulting Numbers: [12] 12,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[8, 4], Operations: ['59-51=8', '42-38=4'] Exploring Operation: 8-4=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 8+4=12, Resulting Numbers: [12] 12,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[51, 55], Operations: ['42-38=4', '59-4=55'] Exploring Operation: 55-51=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 51+55=106, Resulting Numbers: [106] 106,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[42, 46], Operations: ['59-51=8', '38+8=46'] Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,49 unequal: No Solution Exploring Operation: 42+46=88, Resulting Numbers: [88] 88,49 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 15, 30, 37, 39 ]
31
[ "15+30=45", "37+39=76", "76-45=31" ]
Current State: 31:[15, 30, 37, 39], Operations: [] Exploring Operation: 15+30=45, Resulting Numbers: [37, 39, 45] Generated Node #2: [37, 39, 45] from Operation: 15+30=45 Current State: 31:[37, 39, 45], Operations: ['15+30=45'] Exploring Operation: 37+39=76, Resulting Numbers: [45, 76] Generated Node #3: [45, 76] from Operation: 37+39=76 Current State: 31:[45, 76], Operations: ['15+30=45', '37+39=76'] Exploring Operation: 76-45=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[15, 30, 37, 39], Operations: [] Exploring Operation: 15+30=45, Resulting Numbers: [37, 39, 45] Generated Node #0,0: 31:[37, 39, 45] Operation: 15+30=45 Exploring Operation: 39-15=24, Resulting Numbers: [30, 37, 24] Generated Node #0,1: 31:[30, 37, 24] Operation: 39-15=24 Exploring Operation: 37-15=22, Resulting Numbers: [30, 39, 22] Generated Node #0,2: 31:[30, 39, 22] Operation: 37-15=22 Exploring Operation: 30-15=15, Resulting Numbers: [37, 39, 15] Generated Node #0,3: 31:[37, 39, 15] Operation: 30-15=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[30, 37, 24], Operations: ['39-15=24'] Exploring Operation: 37-30=7, Resulting Numbers: [24, 7] Generated Node #0,1,0: 31:[24, 7] Operation: 37-30=7 Exploring Operation: 30+24=54, Resulting Numbers: [37, 54] Generated Node #0,1,1: 31:[37, 54] Operation: 30+24=54 Exploring Operation: 37-24=13, Resulting Numbers: [30, 13] Generated Node #0,1,2: 31:[30, 13] Operation: 37-24=13 Exploring Operation: 30-24=6, Resulting Numbers: [37, 6] Generated Node #0,1,3: 31:[37, 6] Operation: 30-24=6 Moving to Node #0,1,2 Current State: 31:[30, 13], Operations: ['39-15=24', '37-24=13'] Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,31 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,31 unequal: No Solution Moving to Node #0,1,1 Current State: 31:[37, 54], Operations: ['39-15=24', '30+24=54'] Exploring Operation: 37*54=1998, Resulting Numbers: [1998] 1998,31 unequal: No Solution Exploring Operation: 54-37=17, Resulting Numbers: [17] 17,31 unequal: No Solution Exploring Operation: 37+54=91, Resulting Numbers: [91] 91,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[37, 6], Operations: ['39-15=24', '30-24=6'] Exploring Operation: 37*6=222, Resulting Numbers: [222] 222,31 unequal: No Solution Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Moving to Node #0 Current State: 31:[15, 30, 37, 39], Operations: [] Exploring Operation: 39-15=24, Resulting Numbers: [30, 37, 24] Generated Node #0,1: 31:[30, 37, 24] Operation: 39-15=24 Moving to Node #0,1 Current State: 31:[30, 37, 24], Operations: ['39-15=24'] Exploring Operation: 30-24=6, Resulting Numbers: [37, 6] Generated Node #0,1,3: 31:[37, 6] Operation: 30-24=6 Moving to Node #0,1,3 Current State: 31:[37, 6], Operations: ['39-15=24', '30-24=6'] Exploring Operation: 37-6=31, Resulting Numbers: [31] 31,31 equal: Goal Reached Exit Sub Search at level 1
0.982639
hs_4
mult_heuristic
[ 13, 20, 96, 52 ]
11
[ "13+20=33", "96-52=44", "44-33=11" ]
Current State: 11:[13, 20, 96, 52], Operations: [] Exploring Operation: 13+20=33, Resulting Numbers: [96, 52, 33] Generated Node #2: [96, 52, 33] from Operation: 13+20=33 Current State: 11:[96, 52, 33], Operations: ['13+20=33'] Exploring Operation: 96-52=44, Resulting Numbers: [33, 44] Generated Node #3: [33, 44] from Operation: 96-52=44 Current State: 11:[33, 44], Operations: ['13+20=33', '96-52=44'] Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[13, 20, 96, 52], Operations: [] Exploring Operation: 52/13=4, Resulting Numbers: [20, 96, 4] Generated Node #0,0: 11:[20, 96, 4] Operation: 52/13=4 Exploring Operation: 52-20=32, Resulting Numbers: [13, 96, 32] Generated Node #0,1: 11:[13, 96, 32] Operation: 52-20=32 Exploring Operation: 96-52=44, Resulting Numbers: [13, 20, 44] Generated Node #0,2: 11:[13, 20, 44] Operation: 96-52=44 Exploring Operation: 96-20=76, Resulting Numbers: [13, 52, 76] Generated Node #0,3: 11:[13, 52, 76] Operation: 96-20=76 Start Sub Search at level 1: Moving to Node #0,2 Current State: 11:[13, 20, 44], Operations: ['96-52=44'] Exploring Operation: 44-13=31, Resulting Numbers: [20, 31] Generated Node #0,2,0: 11:[20, 31] Operation: 44-13=31 Exploring Operation: 13+20=33, Resulting Numbers: [44, 33] Generated Node #0,2,1: 11:[44, 33] Operation: 13+20=33 Exploring Operation: 20-13=7, Resulting Numbers: [44, 7] Generated Node #0,2,2: 11:[44, 7] Operation: 20-13=7 Exploring Operation: 44-20=24, Resulting Numbers: [13, 24] Generated Node #0,2,3: 11:[13, 24] Operation: 44-20=24 Moving to Node #0,2,3 Current State: 11:[13, 24], Operations: ['96-52=44', '44-20=24'] Exploring Operation: 13*24=312, Resulting Numbers: [312] 312,11 unequal: No Solution Exploring Operation: 13+24=37, Resulting Numbers: [37] 37,11 unequal: No Solution Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[13, 20, 96, 52], Operations: [] Exploring Operation: 96-52=44, Resulting Numbers: [13, 20, 44] Generated Node #0,2: 11:[13, 20, 44] Operation: 96-52=44 Moving to Node #0,2 Current State: 11:[13, 20, 44], Operations: ['96-52=44'] Exploring Operation: 44-20=24, Resulting Numbers: [13, 24] Generated Node #0,2,3: 11:[13, 24] Operation: 44-20=24 Moving to Node #0,2,3 Current State: 11:[13, 24], Operations: ['96-52=44', '44-20=24'] Exploring Operation: 24-13=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 20, 42, 5, 19 ]
34
[ "20/5=4", "19*4=76", "76-42=34" ]
Current State: 34:[20, 42, 5, 19], Operations: [] Exploring Operation: 20/5=4, Resulting Numbers: [42, 19, 4] Generated Node #2: [42, 19, 4] from Operation: 20/5=4 Current State: 34:[42, 19, 4], Operations: ['20/5=4'] Exploring Operation: 19*4=76, Resulting Numbers: [42, 76] Generated Node #3: [42, 76] from Operation: 19*4=76 Current State: 34:[42, 76], Operations: ['20/5=4', '19*4=76'] Exploring Operation: 76-42=34, Resulting Numbers: [34] 34,34 equal: Goal Reached
4
Current State: 34:[20, 42, 5, 19], Operations: [] Exploring Operation: 42-5=37, Resulting Numbers: [20, 19, 37] Generated Node #0,0: 34:[20, 19, 37] Operation: 42-5=37 Exploring Operation: 20-19=1, Resulting Numbers: [42, 5, 1] Generated Node #0,1: 34:[42, 5, 1] Operation: 20-19=1 Exploring Operation: 42-20=22, Resulting Numbers: [5, 19, 22] Generated Node #0,2: 34:[5, 19, 22] Operation: 42-20=22 Exploring Operation: 20/5=4, Resulting Numbers: [42, 19, 4] Generated Node #0,3: 34:[42, 19, 4] Operation: 20/5=4 Exploring Operation: 20-5=15, Resulting Numbers: [42, 19, 15] Generated Node #0,4: 34:[42, 19, 15] Operation: 20-5=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 34:[20, 19, 37], Operations: ['42-5=37'] Exploring Operation: 37-20=17, Resulting Numbers: [19, 17] Generated Node #0,0,0: 34:[19, 17] Operation: 37-20=17 Exploring Operation: 20+37=57, Resulting Numbers: [19, 57] Generated Node #0,0,1: 34:[19, 57] Operation: 20+37=57 Exploring Operation: 20-19=1, Resulting Numbers: [37, 1] Generated Node #0,0,2: 34:[37, 1] Operation: 20-19=1 Exploring Operation: 20+19=39, Resulting Numbers: [37, 39] Generated Node #0,0,3: 34:[37, 39] Operation: 20+19=39 Exploring Operation: 37-19=18, Resulting Numbers: [20, 18] Generated Node #0,0,4: 34:[20, 18] Operation: 37-19=18 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 34:[19, 17], Operations: ['42-5=37', '37-20=17'] Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,34 unequal: No Solution Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,34 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 #0,0,2 Current State: 34:[37, 1], Operations: ['42-5=37', '20-19=1'] Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,34 unequal: No Solution Exploring Operation: 37+1=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 37*1=37, Resulting Numbers: [37] 37,34 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 #0,0,4 Current State: 34:[20, 18], Operations: ['42-5=37', '37-19=18'] Exploring Operation: 20*18=360, Resulting Numbers: [360] 360,34 unequal: No Solution Exploring Operation: 20+18=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,34 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 #0,0,3 Current State: 34:[37, 39], Operations: ['42-5=37', '20+19=39'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 37+39=76, Resulting Numbers: [76] 76,34 unequal: No Solution Exploring Operation: 37*39=1443, Resulting Numbers: [1443] 1443,34 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 #0,0,1 Current State: 34:[19, 57], Operations: ['42-5=37', '20+37=57'] Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,34 unequal: No Solution Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 19*57=1083, Resulting Numbers: [1083] 1083,34 unequal: No Solution Exploring Operation: 19+57=76, Resulting Numbers: [76] 76,34 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 #0,2 Current State: 34:[5, 19, 22], Operations: ['42-20=22'] Exploring Operation: 22-5=17, Resulting Numbers: [19, 17] Generated Node #0,2,0: 34:[19, 17] Operation: 22-5=17 Exploring Operation: 22-19=3, Resulting Numbers: [5, 3] Generated Node #0,2,1: 34:[5, 3] Operation: 22-19=3 Exploring Operation: 19+22=41, Resulting Numbers: [5, 41] Generated Node #0,2,2: 34:[5, 41] Operation: 19+22=41 Exploring Operation: 19-5=14, Resulting Numbers: [22, 14] Generated Node #0,2,3: 34:[22, 14] Operation: 19-5=14 Exploring Operation: 5+22=27, Resulting Numbers: [19, 27] Generated Node #0,2,4: 34:[19, 27] Operation: 5+22=27 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 34:[19, 17], Operations: ['42-20=22', '22-5=17'] Exploring Operation: 19+17=36, Resulting Numbers: [36] 36,34 unequal: No Solution Exploring Operation: 19-17=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 19*17=323, Resulting Numbers: [323] 323,34 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 #0,2,1 Current State: 34:[5, 3], Operations: ['42-20=22', '22-19=3'] Exploring Operation: 5+3=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 5*3=15, Resulting Numbers: [15] 15,34 unequal: No Solution Exploring Operation: 5-3=2, Resulting Numbers: [2] 2,34 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:[22, 14], Operations: ['42-20=22', '19-5=14'] Exploring Operation: 22*14=308, Resulting Numbers: [308] 308,34 unequal: No Solution Exploring Operation: 22-14=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 22+14=36, Resulting Numbers: [36] 36,34 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 #0,2,4 Current State: 34:[19, 27], Operations: ['42-20=22', '5+22=27'] Exploring Operation: 19*27=513, Resulting Numbers: [513] 513,34 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,34 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:[5, 41], Operations: ['42-20=22', '19+22=41'] Exploring Operation: 5*41=205, Resulting Numbers: [205] 205,34 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,34 unequal: No Solution Exploring Operation: 5+41=46, Resulting Numbers: [46] 46,34 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 #0,1 Current State: 34:[42, 5, 1], Operations: ['20-19=1'] Exploring Operation: 42*1=42, Resulting Numbers: [5, 42] Generated Node #0,1,0: 34:[5, 42] Operation: 42*1=42 Exploring Operation: 5-1=4, Resulting Numbers: [42, 4] Generated Node #0,1,1: 34:[42, 4] Operation: 5-1=4 Exploring Operation: 42-5=37, Resulting Numbers: [1, 37] Generated Node #0,1,2: 34:[1, 37] Operation: 42-5=37 Exploring Operation: 42-1=41, Resulting Numbers: [5, 41] Generated Node #0,1,3: 34:[5, 41] Operation: 42-1=41 Exploring Operation: 42/1=42, Resulting Numbers: [5, 42] Generated Node #0,1,4: 34:[5, 42] Operation: 42/1=42 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 34:[1, 37], Operations: ['20-19=1', '42-5=37'] Exploring Operation: 37/1=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 37-1=36, Resulting Numbers: [36] 36,34 unequal: No Solution Exploring Operation: 1*37=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 1+37=38, Resulting Numbers: [38] 38,34 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 #0,1,1 Current State: 34:[42, 4], Operations: ['20-19=1', '5-1=4'] Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 42*4=168, Resulting Numbers: [168] 168,34 unequal: No Solution Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,34 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:[5, 41], Operations: ['20-19=1', '42-1=41'] Exploring Operation: 5*41=205, Resulting Numbers: [205] 205,34 unequal: No Solution Exploring Operation: 5+41=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,34 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:[5, 42], Operations: ['20-19=1', '42*1=42'] Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,34 unequal: No Solution Exploring Operation: 5*42=210, Resulting Numbers: [210] 210,34 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 #0,1,4 Current State: 34:[5, 42], Operations: ['20-19=1', '42/1=42'] Exploring Operation: 5*42=210, Resulting Numbers: [210] 210,34 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,34 unequal: No Solution Exploring Operation: 5+42=47, Resulting Numbers: [47] 47,34 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:[42, 19, 4], Operations: ['20/5=4'] Exploring Operation: 42-19=23, Resulting Numbers: [4, 23] Generated Node #0,3,0: 34:[4, 23] Operation: 42-19=23 Exploring Operation: 19-4=15, Resulting Numbers: [42, 15] Generated Node #0,3,1: 34:[42, 15] Operation: 19-4=15 Exploring Operation: 42+4=46, Resulting Numbers: [19, 46] Generated Node #0,3,2: 34:[19, 46] Operation: 42+4=46 Exploring Operation: 19+4=23, Resulting Numbers: [42, 23] Generated Node #0,3,3: 34:[42, 23] Operation: 19+4=23 Exploring Operation: 42-4=38, Resulting Numbers: [19, 38] Generated Node #0,3,4: 34:[19, 38] Operation: 42-4=38 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 34:[19, 38], Operations: ['20/5=4', '42-4=38'] Exploring Operation: 19*38=722, Resulting Numbers: [722] 722,34 unequal: No Solution Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,34 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 19+38=57, Resulting Numbers: [57] 57,34 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 #0,3,0 Current State: 34:[4, 23], Operations: ['20/5=4', '42-19=23'] Exploring Operation: 4*23=92, Resulting Numbers: [92] 92,34 unequal: No Solution Exploring Operation: 23-4=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 4+23=27, Resulting Numbers: [27] 27,34 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 #0,3,1 Current State: 34:[42, 15], Operations: ['20/5=4', '19-4=15'] Exploring Operation: 42+15=57, Resulting Numbers: [57] 57,34 unequal: No Solution Exploring Operation: 42*15=630, Resulting Numbers: [630] 630,34 unequal: No Solution Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,34 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 #0,3,2 Current State: 34:[19, 46], Operations: ['20/5=4', '42+4=46'] Exploring Operation: 19+46=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,34 unequal: No Solution Exploring Operation: 19*46=874, Resulting Numbers: [874] 874,34 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 #0,3,3 Current State: 34:[42, 23], Operations: ['20/5=4', '19+4=23'] Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,34 unequal: No Solution Exploring Operation: 42+23=65, Resulting Numbers: [65] 65,34 unequal: No Solution Exploring Operation: 42*23=966, Resulting Numbers: [966] 966,34 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 #0,4 Current State: 34:[42, 19, 15], Operations: ['20-5=15'] Exploring Operation: 42+15=57, Resulting Numbers: [19, 57] Generated Node #0,4,0: 34:[19, 57] Operation: 42+15=57 Exploring Operation: 42-15=27, Resulting Numbers: [19, 27] Generated Node #0,4,1: 34:[19, 27] Operation: 42-15=27 Exploring Operation: 42-19=23, Resulting Numbers: [15, 23] Generated Node #0,4,2: 34:[15, 23] Operation: 42-19=23 Exploring Operation: 19+15=34, Resulting Numbers: [42, 34] Generated Node #0,4,3: 34:[42, 34] Operation: 19+15=34 Exploring Operation: 19-15=4, Resulting Numbers: [42, 4] Generated Node #0,4,4: 34:[42, 4] Operation: 19-15=4 Moving to Node #0,4,2 Current State: 34:[15, 23], Operations: ['20-5=15', '42-19=23'] Exploring Operation: 15*23=345, Resulting Numbers: [345] 345,34 unequal: No Solution Exploring Operation: 15+23=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 23-15=8, Resulting Numbers: [8] 8,34 unequal: No Solution Moving to Node #0,4,3 Current State: 34:[42, 34], Operations: ['20-5=15', '19+15=34'] Exploring Operation: 42+34=76, Resulting Numbers: [76] 76,34 unequal: No Solution Exploring Operation: 42-34=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 42*34=1428, Resulting Numbers: [1428] 1428,34 unequal: No Solution Moving to Node #0,4,1 Current State: 34:[19, 27], Operations: ['20-5=15', '42-15=27'] Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,34 unequal: No Solution Exploring Operation: 19*27=513, Resulting Numbers: [513] 513,34 unequal: No Solution Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,34 unequal: No Solution Moving to Node #0,4,4 Current State: 34:[42, 4], Operations: ['20-5=15', '19-15=4'] Exploring Operation: 42*4=168, Resulting Numbers: [168] 168,34 unequal: No Solution Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,34 unequal: No Solution Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,34 unequal: No Solution Moving to Node #0,4,0 Current State: 34:[19, 57], Operations: ['20-5=15', '42+15=57'] Exploring Operation: 57-19=38, Resulting Numbers: [38] 38,34 unequal: No Solution Exploring Operation: 19+57=76, Resulting Numbers: [76] 76,34 unequal: No Solution Exploring Operation: 57/19=3, Resulting Numbers: [3] 3,34 unequal: No Solution Exploring Operation: 19*57=1083, Resulting Numbers: [1083] 1083,34 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
[ 26, 32, 58, 92 ]
93
[ "26+32=58", "58/58=1", "92+1=93" ]
Current State: 93:[26, 32, 58, 92], Operations: [] Exploring Operation: 26+32=58, Resulting Numbers: [58, 92, 58] Generated Node #2: [58, 92, 58] from Operation: 26+32=58 Current State: 93:[58, 92, 58], Operations: ['26+32=58'] Exploring Operation: 58/58=1, Resulting Numbers: [92, 1] Generated Node #3: [92, 1] from Operation: 58/58=1 Current State: 93:[92, 1], Operations: ['26+32=58', '58/58=1'] Exploring Operation: 92+1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[26, 32, 58, 92], Operations: [] Exploring Operation: 32+58=90, Resulting Numbers: [26, 92, 90] Generated Node #0,0: 93:[26, 92, 90] Operation: 32+58=90 Exploring Operation: 58-26=32, Resulting Numbers: [32, 92, 32] Generated Node #0,1: 93:[32, 92, 32] Operation: 58-26=32 Exploring Operation: 92-58=34, Resulting Numbers: [26, 32, 34] Generated Node #0,2: 93:[26, 32, 34] Operation: 92-58=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 93:[32, 92, 32], Operations: ['58-26=32'] Exploring Operation: 32/32=1, Resulting Numbers: [92, 1] Generated Node #0,1,0: 93:[92, 1] Operation: 32/32=1 Exploring Operation: 92-32=60, Resulting Numbers: [32, 60] Generated Node #0,1,1: 93:[32, 60] Operation: 92-32=60 Exploring Operation: 32-32=0, Resulting Numbers: [92, 0] Generated Node #0,1,2: 93:[92, 0] Operation: 32-32=0 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 93:[92, 1], Operations: ['58-26=32', '32/32=1'] Exploring Operation: 92+1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[26, 32, 58, 92], Operations: [] Exploring Operation: 58-26=32, Resulting Numbers: [32, 92, 32] Generated Node #0,1: 93:[32, 92, 32] Operation: 58-26=32 Moving to Node #0,1 Current State: 93:[32, 92, 32], Operations: ['58-26=32'] Exploring Operation: 32/32=1, Resulting Numbers: [92, 1] Generated Node #0,1,0: 93:[92, 1] Operation: 32/32=1 Moving to Node #0,1,0 Current State: 93:[92, 1], Operations: ['58-26=32', '32/32=1'] Exploring Operation: 92+1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 16, 18, 61, 26 ]
70
[ "18-16=2", "61-26=35", "2*35=70" ]
Current State: 70:[16, 18, 61, 26], Operations: [] Exploring Operation: 18-16=2, Resulting Numbers: [61, 26, 2] Generated Node #2: [61, 26, 2] from Operation: 18-16=2 Current State: 70:[61, 26, 2], Operations: ['18-16=2'] Exploring Operation: 61-26=35, Resulting Numbers: [2, 35] Generated Node #3: [2, 35] from Operation: 61-26=35 Current State: 70:[2, 35], Operations: ['18-16=2', '61-26=35'] Exploring Operation: 2*35=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[16, 18, 61, 26], Operations: [] Exploring Operation: 26-18=8, Resulting Numbers: [16, 61, 8] Generated Node #0,0: 70:[16, 61, 8] Operation: 26-18=8 Exploring Operation: 61-26=35, Resulting Numbers: [16, 18, 35] Generated Node #0,1: 70:[16, 18, 35] Operation: 61-26=35 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[16, 18, 35], Operations: ['61-26=35'] Exploring Operation: 16+18=34, Resulting Numbers: [35, 34] Generated Node #0,1,0: 70:[35, 34] Operation: 16+18=34 Exploring Operation: 18-16=2, Resulting Numbers: [35, 2] Generated Node #0,1,1: 70:[35, 2] Operation: 18-16=2 Moving to Node #0,1,1 Current State: 70:[35, 2], Operations: ['61-26=35', '18-16=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[16, 18, 61, 26], Operations: [] Exploring Operation: 61-26=35, Resulting Numbers: [16, 18, 35] Generated Node #0,1: 70:[16, 18, 35] Operation: 61-26=35 Moving to Node #0,1 Current State: 70:[16, 18, 35], Operations: ['61-26=35'] Exploring Operation: 18-16=2, Resulting Numbers: [35, 2] Generated Node #0,1,1: 70:[35, 2] Operation: 18-16=2 Moving to Node #0,1,1 Current State: 70:[35, 2], Operations: ['61-26=35', '18-16=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
sum_heuristic
[ 92, 96, 6, 6 ]
18
[ "96-92=4", "6*4=24", "24-6=18" ]
Current State: 18:[92, 96, 6, 6], Operations: [] Exploring Operation: 96-92=4, Resulting Numbers: [6, 6, 4] Generated Node #2: [6, 6, 4] from Operation: 96-92=4 Current State: 18:[6, 6, 4], Operations: ['96-92=4'] Exploring Operation: 6*4=24, Resulting Numbers: [24] 24,18 equal: Goal Reached Exploring Operation: 24-6=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[92, 96, 6, 6], Operations: [] Exploring Operation: 96/6=16, Resulting Numbers: [92, 6, 16] Generated Node #0,0: 18:[92, 6, 16] Operation: 96/6=16 Exploring Operation: 96-92=4, Resulting Numbers: [6, 6, 4] Generated Node #0,1: 18:[6, 6, 4] Operation: 96-92=4 Exploring Operation: 96/6=16, Resulting Numbers: [92, 6, 16] Generated Node #0,2: 18:[92, 6, 16] Operation: 96/6=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[6, 6, 4], Operations: ['96-92=4'] Exploring Operation: 6-4=2, Resulting Numbers: [6, 2] Generated Node #0,1,0: 18:[6, 2] Operation: 6-4=2 Exploring Operation: 6+4=10, Resulting Numbers: [6, 10] Generated Node #0,1,1: 18:[6, 10] Operation: 6+4=10 Exploring Operation: 6-4=2, Resulting Numbers: [6, 2] Generated Node #0,1,2: 18:[6, 2] Operation: 6-4=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 18:[6, 2], Operations: ['96-92=4', '6-4=2'] Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,18 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 18:[6, 2], Operations: ['96-92=4', '6-4=2'] Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,18 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,18 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,18 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 18:[6, 10], Operations: ['96-92=4', '6+4=10'] Exploring Operation: 6*10=60, Resulting Numbers: [60] 60,18 unequal: No Solution Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,18 unequal: No Solution Exploring Operation: 10-6=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 Start Sub Search at level 1: Moving to Node #0,0 Current State: 18:[92, 6, 16], Operations: ['96/6=16'] Exploring Operation: 92-16=76, Resulting Numbers: [6, 76] Generated Node #0,0,0: 18:[6, 76] Operation: 92-16=76 Exploring Operation: 92-6=86, Resulting Numbers: [16, 86] Generated Node #0,0,1: 18:[16, 86] Operation: 92-6=86 Exploring Operation: 16-6=10, Resulting Numbers: [92, 10] Generated Node #0,0,2: 18:[92, 10] Operation: 16-6=10 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 18:[6, 76], Operations: ['96/6=16', '92-16=76'] Exploring Operation: 6+76=82, Resulting Numbers: [82] 82,18 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,18 unequal: No Solution Exploring Operation: 6*76=456, Resulting Numbers: [456] 456,18 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:[16, 86], Operations: ['96/6=16', '92-6=86'] Exploring Operation: 16*86=1376, Resulting Numbers: [1376] 1376,18 unequal: No Solution Exploring Operation: 86-16=70, Resulting Numbers: [70] 70,18 unequal: No Solution Exploring Operation: 16+86=102, Resulting Numbers: [102] 102,18 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 #0,0,2 Current State: 18:[92, 10], Operations: ['96/6=16', '16-6=10'] Exploring Operation: 92-10=82, Resulting Numbers: [82] 82,18 unequal: No Solution Exploring Operation: 92+10=102, Resulting Numbers: [102] 102,18 unequal: No Solution Exploring Operation: 92*10=920, Resulting Numbers: [920] 920,18 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 #0,2 Current State: 18:[92, 6, 16], Operations: ['96/6=16'] Exploring Operation: 92-16=76, Resulting Numbers: [6, 76] Generated Node #0,2,0: 18:[6, 76] Operation: 92-16=76 Exploring Operation: 16-6=10, Resulting Numbers: [92, 10] Generated Node #0,2,1: 18:[92, 10] Operation: 16-6=10 Exploring Operation: 92-6=86, Resulting Numbers: [16, 86] Generated Node #0,2,2: 18:[16, 86] Operation: 92-6=86 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 18:[6, 76], Operations: ['96/6=16', '92-16=76'] Exploring Operation: 6+76=82, Resulting Numbers: [82] 82,18 unequal: No Solution Exploring Operation: 6*76=456, Resulting Numbers: [456] 456,18 unequal: No Solution Exploring Operation: 76-6=70, Resulting Numbers: [70] 70,18 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 #0,2,2 Current State: 18:[16, 86], Operations: ['96/6=16', '92-6=86'] Exploring Operation: 16*86=1376, Resulting Numbers: [1376] 1376,18 unequal: No Solution Exploring Operation: 86-16=70, Resulting Numbers: [70] 70,18 unequal: No Solution Exploring Operation: 16+86=102, Resulting Numbers: [102] 102,18 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:[92, 10], Operations: ['96/6=16', '16-6=10'] Exploring Operation: 92*10=920, Resulting Numbers: [920] 920,18 unequal: No Solution Exploring Operation: 92+10=102, Resulting Numbers: [102] 102,18 unequal: No Solution Exploring Operation: 92-10=82, Resulting Numbers: [82] 82,18 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_3
mult_heuristic
[ 23, 59, 64, 47 ]
99
[ "23+59=82", "64-47=17", "82+17=99" ]
Current State: 99:[23, 59, 64, 47], Operations: [] Exploring Operation: 23+59=82, Resulting Numbers: [64, 47, 82] Generated Node #2: [64, 47, 82] from Operation: 23+59=82 Current State: 99:[64, 47, 82], Operations: ['23+59=82'] Exploring Operation: 64-47=17, Resulting Numbers: [82, 17] Generated Node #3: [82, 17] from Operation: 64-47=17 Current State: 99:[82, 17], Operations: ['23+59=82', '64-47=17'] Exploring Operation: 82+17=99, Resulting Numbers: [99] 99,99 equal: Goal Reached
4
Current State: 99:[23, 59, 64, 47], Operations: [] Exploring Operation: 59-47=12, Resulting Numbers: [23, 64, 12] Generated Node #0,0: 99:[23, 64, 12] Operation: 59-47=12 Exploring Operation: 64-59=5, Resulting Numbers: [23, 47, 5] Generated Node #0,1: 99:[23, 47, 5] Operation: 64-59=5 Start Sub Search at level 1: Moving to Node #0,1 Current State: 99:[23, 47, 5], Operations: ['64-59=5'] Exploring Operation: 23+5=28, Resulting Numbers: [47, 28] Generated Node #0,1,0: 99:[47, 28] Operation: 23+5=28 Exploring Operation: 47-23=24, Resulting Numbers: [5, 24] Generated Node #0,1,1: 99:[5, 24] Operation: 47-23=24 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 99:[5, 24], Operations: ['64-59=5', '47-23=24'] Exploring Operation: 5+24=29, Resulting Numbers: [29] 29,99 unequal: No Solution Exploring Operation: 24-5=19, Resulting Numbers: [19] 19,99 unequal: No Solution No 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: 99:[47, 28], Operations: ['64-59=5', '23+5=28'] Exploring Operation: 47+28=75, Resulting Numbers: [75] 75,99 unequal: No Solution Exploring Operation: 47-28=19, Resulting Numbers: [19] 19,99 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 99:[23, 64, 12], Operations: ['59-47=12'] Exploring Operation: 64-23=41, Resulting Numbers: [12, 41] Generated Node #0,0,0: 99:[12, 41] Operation: 64-23=41 Exploring Operation: 23+64=87, Resulting Numbers: [12, 87] Generated Node #0,0,1: 99:[12, 87] Operation: 23+64=87 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 99:[12, 41], Operations: ['59-47=12', '64-23=41'] Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,99 unequal: No Solution Exploring Operation: 12+41=53, Resulting Numbers: [53] 53,99 unequal: No Solution No 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: 99:[12, 87], Operations: ['59-47=12', '23+64=87'] Exploring Operation: 12+87=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Moving to Node #0 Current State: 99:[23, 59, 64, 47], Operations: [] Exploring Operation: 59-47=12, Resulting Numbers: [23, 64, 12] Generated Node #0,0: 99:[23, 64, 12] Operation: 59-47=12 Moving to Node #0,0 Current State: 99:[23, 64, 12], Operations: ['59-47=12'] Exploring Operation: 23+64=87, Resulting Numbers: [12, 87] Generated Node #0,0,1: 99:[12, 87] Operation: 23+64=87 Moving to Node #0,0,1 Current State: 99:[12, 87], Operations: ['59-47=12', '23+64=87'] Exploring Operation: 12+87=99, Resulting Numbers: [99] 99,99 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.985243
hs_2
mult_heuristic
[ 72, 32, 84, 69 ]
49
[ "72+32=104", "84+69=153", "153-104=49" ]
Current State: 49:[72, 32, 84, 69], Operations: [] Exploring Operation: 72+32=104, Resulting Numbers: [84, 69, 104] Generated Node #2: [84, 69, 104] from Operation: 72+32=104 Current State: 49:[84, 69, 104], Operations: ['72+32=104'] Exploring Operation: 84+69=153, Resulting Numbers: [104, 153] Generated Node #3: [104, 153] from Operation: 84+69=153 Current State: 49:[104, 153], Operations: ['72+32=104', '84+69=153'] Exploring Operation: 153-104=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[72, 32, 84, 69], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [32, 69, 12] Generated Node #0,0: 49:[32, 69, 12] Operation: 84-72=12 Exploring Operation: 72-69=3, Resulting Numbers: [32, 84, 3] Generated Node #0,1: 49:[32, 84, 3] Operation: 72-69=3 Exploring Operation: 84-69=15, Resulting Numbers: [72, 32, 15] Generated Node #0,2: 49:[72, 32, 15] Operation: 84-69=15 Exploring Operation: 84-32=52, Resulting Numbers: [72, 69, 52] Generated Node #0,3: 49:[72, 69, 52] Operation: 84-32=52 Exploring Operation: 72-32=40, Resulting Numbers: [84, 69, 40] Generated Node #0,4: 49:[84, 69, 40] Operation: 72-32=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[32, 69, 12], Operations: ['84-72=12'] Exploring Operation: 69-32=37, Resulting Numbers: [12, 37] Generated Node #0,0,0: 49:[12, 37] Operation: 69-32=37 Exploring Operation: 32-12=20, Resulting Numbers: [69, 20] Generated Node #0,0,1: 49:[69, 20] Operation: 32-12=20 Exploring Operation: 32+12=44, Resulting Numbers: [69, 44] Generated Node #0,0,2: 49:[69, 44] Operation: 32+12=44 Exploring Operation: 69+12=81, Resulting Numbers: [32, 81] Generated Node #0,0,3: 49:[32, 81] Operation: 69+12=81 Exploring Operation: 69-12=57, Resulting Numbers: [32, 57] Generated Node #0,0,4: 49:[32, 57] Operation: 69-12=57 Moving to Node #0,0,0 Current State: 49:[12, 37], Operations: ['84-72=12', '69-32=37'] Exploring Operation: 12*37=444, Resulting Numbers: [444] 444,49 unequal: No Solution Exploring Operation: 12+37=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[72, 32, 84, 69], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [32, 69, 12] Generated Node #0,0: 49:[32, 69, 12] Operation: 84-72=12 Moving to Node #0,0 Current State: 49:[32, 69, 12], Operations: ['84-72=12'] Exploring Operation: 69-32=37, Resulting Numbers: [12, 37] Generated Node #0,0,0: 49:[12, 37] Operation: 69-32=37 Moving to Node #0,0,0 Current State: 49:[12, 37], Operations: ['84-72=12', '69-32=37'] Exploring Operation: 12+37=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 30, 90, 88, 99 ]
39
[ "90-88=2", "30*2=60", "99-60=39" ]
Current State: 39:[30, 90, 88, 99], Operations: [] Exploring Operation: 90-88=2, Resulting Numbers: [30, 99, 2] Generated Node #2: [30, 99, 2] from Operation: 90-88=2 Current State: 39:[30, 99, 2], Operations: ['90-88=2'] Exploring Operation: 30*2=60, Resulting Numbers: [99, 60] Generated Node #3: [99, 60] from Operation: 30*2=60 Current State: 39:[99, 60], Operations: ['90-88=2', '30*2=60'] Exploring Operation: 99-60=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[30, 90, 88, 99], Operations: [] Exploring Operation: 99-90=9, Resulting Numbers: [30, 88, 9] Generated Node #0,0: 39:[30, 88, 9] Operation: 99-90=9 Exploring Operation: 99-88=11, Resulting Numbers: [30, 90, 11] Generated Node #0,1: 39:[30, 90, 11] Operation: 99-88=11 Exploring Operation: 90/30=3, Resulting Numbers: [88, 99, 3] Generated Node #0,2: 39:[88, 99, 3] Operation: 90/30=3 Exploring Operation: 90-88=2, Resulting Numbers: [30, 99, 2] Generated Node #0,3: 39:[30, 99, 2] Operation: 90-88=2 Moving to Node #0,0 Current State: 39:[30, 88, 9], Operations: ['99-90=9'] Exploring Operation: 30+9=39, Resulting Numbers: [88, 39] Generated Node #0,0,0: 39:[88, 39] Operation: 30+9=39 Exploring Operation: 88-30=58, Resulting Numbers: [9, 58] Generated Node #0,0,1: 39:[9, 58] Operation: 88-30=58 Exploring Operation: 88-9=79, Resulting Numbers: [30, 79] Generated Node #0,0,2: 39:[30, 79] Operation: 88-9=79 Exploring Operation: 30-9=21, Resulting Numbers: [88, 21] Generated Node #0,0,3: 39:[88, 21] Operation: 30-9=21 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 39:[9, 58], Operations: ['99-90=9', '88-30=58'] Exploring Operation: 9*58=522, Resulting Numbers: [522] 522,39 unequal: No Solution Exploring Operation: 9+58=67, Resulting Numbers: [67] 67,39 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 39:[88, 39], Operations: ['99-90=9', '30+9=39'] Exploring Operation: 88*39=3432, Resulting Numbers: [3432] 3432,39 unequal: No Solution Exploring Operation: 88-39=49, Resulting Numbers: [49] 49,39 unequal: No Solution Exploring Operation: 88+39=127, Resulting Numbers: [127] 127,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 39:[30, 79], Operations: ['99-90=9', '88-9=79'] Exploring Operation: 30+79=109, Resulting Numbers: [109] 109,39 unequal: No Solution Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,39 unequal: No Solution Exploring Operation: 30*79=2370, Resulting Numbers: [2370] 2370,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 39:[88, 21], Operations: ['99-90=9', '30-9=21'] Exploring Operation: 88+21=109, Resulting Numbers: [109] 109,39 unequal: No Solution Exploring Operation: 88*21=1848, Resulting Numbers: [1848] 1848,39 unequal: No Solution Exploring Operation: 88-21=67, Resulting Numbers: [67] 67,39 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: 39:[30, 90, 11], Operations: ['99-88=11'] Exploring Operation: 90-30=60, Resulting Numbers: [11, 60] Generated Node #0,1,0: 39:[11, 60] Operation: 90-30=60 Exploring Operation: 90-11=79, Resulting Numbers: [30, 79] Generated Node #0,1,1: 39:[30, 79] Operation: 90-11=79 Exploring Operation: 30+11=41, Resulting Numbers: [90, 41] Generated Node #0,1,2: 39:[90, 41] Operation: 30+11=41 Exploring Operation: 90/30=3, Resulting Numbers: [11, 3] Generated Node #0,1,3: 39:[11, 3] Operation: 90/30=3 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 39:[11, 3], Operations: ['99-88=11', '90/30=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,39 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,39 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:[11, 60], Operations: ['99-88=11', '90-30=60'] Exploring Operation: 11*60=660, Resulting Numbers: [660] 660,39 unequal: No Solution Exploring Operation: 60-11=49, Resulting Numbers: [49] 49,39 unequal: No Solution Exploring Operation: 11+60=71, Resulting Numbers: [71] 71,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 39:[30, 79], Operations: ['99-88=11', '90-11=79'] Exploring Operation: 30+79=109, Resulting Numbers: [109] 109,39 unequal: No Solution Exploring Operation: 30*79=2370, Resulting Numbers: [2370] 2370,39 unequal: No Solution Exploring Operation: 79-30=49, Resulting Numbers: [49] 49,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 39:[90, 41], Operations: ['99-88=11', '30+11=41'] Exploring Operation: 90+41=131, Resulting Numbers: [131] 131,39 unequal: No Solution Exploring Operation: 90-41=49, Resulting Numbers: [49] 49,39 unequal: No Solution Exploring Operation: 90*41=3690, Resulting Numbers: [3690] 3690,39 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: 39:[30, 99, 2], Operations: ['90-88=2'] Exploring Operation: 99-30=69, Resulting Numbers: [2, 69] Generated Node #0,3,0: 39:[2, 69] Operation: 99-30=69 Exploring Operation: 30+2=32, Resulting Numbers: [99, 32] Generated Node #0,3,1: 39:[99, 32] Operation: 30+2=32 Exploring Operation: 30/2=15, Resulting Numbers: [99, 15] Generated Node #0,3,2: 39:[99, 15] Operation: 30/2=15 Exploring Operation: 99-2=97, Resulting Numbers: [30, 97] Generated Node #0,3,3: 39:[30, 97] Operation: 99-2=97 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 39:[2, 69], Operations: ['90-88=2', '99-30=69'] Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,39 unequal: No Solution Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,39 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 39:[99, 15], Operations: ['90-88=2', '30/2=15'] Exploring Operation: 99-15=84, Resulting Numbers: [84] 84,39 unequal: No Solution Exploring Operation: 99*15=1485, Resulting Numbers: [1485] 1485,39 unequal: No Solution Exploring Operation: 99+15=114, Resulting Numbers: [114] 114,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 39:[99, 32], Operations: ['90-88=2', '30+2=32'] Exploring Operation: 99*32=3168, Resulting Numbers: [3168] 3168,39 unequal: No Solution Exploring Operation: 99+32=131, Resulting Numbers: [131] 131,39 unequal: No Solution Exploring Operation: 99-32=67, Resulting Numbers: [67] 67,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 39:[30, 97], Operations: ['90-88=2', '99-2=97'] Exploring Operation: 30+97=127, Resulting Numbers: [127] 127,39 unequal: No Solution Exploring Operation: 30*97=2910, Resulting Numbers: [2910] 2910,39 unequal: No Solution Exploring Operation: 97-30=67, Resulting Numbers: [67] 67,39 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 39:[88, 99, 3], Operations: ['90/30=3'] Exploring Operation: 99/3=33, Resulting Numbers: [88, 33] Generated Node #0,2,0: 39:[88, 33] Operation: 99/3=33 Exploring Operation: 88-3=85, Resulting Numbers: [99, 85] Generated Node #0,2,1: 39:[99, 85] Operation: 88-3=85 Exploring Operation: 99-3=96, Resulting Numbers: [88, 96] Generated Node #0,2,2: 39:[88, 96] Operation: 99-3=96 Exploring Operation: 99-88=11, Resulting Numbers: [3, 11] Generated Node #0,2,3: 39:[3, 11] Operation: 99-88=11 Moving to Node #0,2,3 Current State: 39:[3, 11], Operations: ['90/30=3', '99-88=11'] Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,39 unequal: No Solution Moving to Node #0,2,0 Current State: 39:[88, 33], Operations: ['90/30=3', '99/3=33'] Exploring Operation: 88*33=2904, Resulting Numbers: [2904] 2904,39 unequal: No Solution Exploring Operation: 88-33=55, Resulting Numbers: [55] 55,39 unequal: No Solution Exploring Operation: 88+33=121, Resulting Numbers: [121] 121,39 unequal: No Solution Moving to Node #0,2,2 Current State: 39:[88, 96], Operations: ['90/30=3', '99-3=96'] Exploring Operation: 88*96=8448, Resulting Numbers: [8448] 8448,39 unequal: No Solution Exploring Operation: 96-88=8, Resulting Numbers: [8] 8,39 unequal: No Solution Exploring Operation: 88+96=184, Resulting Numbers: [184] 184,39 unequal: No Solution Moving to Node #0,2,1 Current State: 39:[99, 85], Operations: ['90/30=3', '88-3=85'] Exploring Operation: 99+85=184, Resulting Numbers: [184] 184,39 unequal: No Solution Exploring Operation: 99-85=14, Resulting Numbers: [14] 14,39 unequal: No Solution Exploring Operation: 99*85=8415, Resulting Numbers: [8415] 8415,39 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 43, 28, 59, 38 ]
82
[ "43-28=15", "59+38=97", "97-15=82" ]
Current State: 82:[43, 28, 59, 38], Operations: [] Exploring Operation: 43-28=15, Resulting Numbers: [59, 38, 15] Generated Node #2: [59, 38, 15] from Operation: 43-28=15 Current State: 82:[59, 38, 15], Operations: ['43-28=15'] Exploring Operation: 59+38=97, Resulting Numbers: [15, 97] Generated Node #3: [15, 97] from Operation: 59+38=97 Current State: 82:[15, 97], Operations: ['43-28=15', '59+38=97'] Exploring Operation: 97-15=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[43, 28, 59, 38], Operations: [] Exploring Operation: 59-28=31, Resulting Numbers: [43, 38, 31] Generated Node #0,0: 82:[43, 38, 31] Operation: 59-28=31 Exploring Operation: 28+59=87, Resulting Numbers: [43, 38, 87] Generated Node #0,1: 82:[43, 38, 87] Operation: 28+59=87 Start Sub Search at level 1: Moving to Node #0,1 Current State: 82:[43, 38, 87], Operations: ['28+59=87'] Exploring Operation: 87-43=44, Resulting Numbers: [38, 44] Generated Node #0,1,0: 82:[38, 44] Operation: 87-43=44 Exploring Operation: 43+38=81, Resulting Numbers: [87, 81] Generated Node #0,1,1: 82:[87, 81] Operation: 43+38=81 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 82:[38, 44], Operations: ['28+59=87', '87-43=44'] Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[43, 28, 59, 38], Operations: [] Exploring Operation: 28+59=87, Resulting Numbers: [43, 38, 87] Generated Node #0,1: 82:[43, 38, 87] Operation: 28+59=87 Moving to Node #0,1 Current State: 82:[43, 38, 87], Operations: ['28+59=87'] Exploring Operation: 87-43=44, Resulting Numbers: [38, 44] Generated Node #0,1,0: 82:[38, 44] Operation: 87-43=44 Moving to Node #0,1,0 Current State: 82:[38, 44], Operations: ['28+59=87', '87-43=44'] Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 72, 28, 65, 8 ]
67
[ "28+8=36", "72/36=2", "65+2=67" ]
Current State: 67:[72, 28, 65, 8], Operations: [] Exploring Operation: 28+8=36, Resulting Numbers: [72, 65, 36] Generated Node #2: [72, 65, 36] from Operation: 28+8=36 Current State: 67:[72, 65, 36], Operations: ['28+8=36'] Exploring Operation: 72/36=2, Resulting Numbers: [65, 2] Generated Node #3: [65, 2] from Operation: 72/36=2 Current State: 67:[65, 2], Operations: ['28+8=36', '72/36=2'] Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[72, 28, 65, 8], Operations: [] Exploring Operation: 28+8=36, Resulting Numbers: [72, 65, 36] Generated Node #0,0: 67:[72, 65, 36] Operation: 28+8=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[72, 65, 36], Operations: ['28+8=36'] Exploring Operation: 72-36=36, Resulting Numbers: [65, 36] Generated Node #0,0,0: 67:[65, 36] Operation: 72-36=36 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 67:[65, 36], Operations: ['28+8=36', '72-36=36'] Exploring Operation: 65+36=101, Resulting Numbers: [101] 101,67 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
[ 70, 94, 81, 1 ]
82
[ "70+94=164", "81+1=82", "164-82=82" ]
Current State: 82:[70, 94, 81, 1], Operations: [] Exploring Operation: 70+94=164, Resulting Numbers: [81, 1, 164] Generated Node #2: [81, 1, 164] from Operation: 70+94=164 Current State: 82:[81, 1, 164], Operations: ['70+94=164'] Exploring Operation: 81+1=82, Resulting Numbers: [164, 82] Generated Node #3: [164, 82] from Operation: 81+1=82 Current State: 82:[164, 82], Operations: ['70+94=164', '81+1=82'] Exploring Operation: 164-82=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[70, 94, 81, 1], Operations: [] Exploring Operation: 94-1=93, Resulting Numbers: [70, 81, 93] Generated Node #0,0: 82:[70, 81, 93] Operation: 94-1=93 Exploring Operation: 94-81=13, Resulting Numbers: [70, 1, 13] Generated Node #0,1: 82:[70, 1, 13] Operation: 94-81=13 Exploring Operation: 70+1=71, Resulting Numbers: [94, 81, 71] Generated Node #0,2: 82:[94, 81, 71] Operation: 70+1=71 Exploring Operation: 81-70=11, Resulting Numbers: [94, 1, 11] Generated Node #0,3: 82:[94, 1, 11] Operation: 81-70=11 Exploring Operation: 94-70=24, Resulting Numbers: [81, 1, 24] Generated Node #0,4: 82:[81, 1, 24] Operation: 94-70=24 Moving to Node #0,4 Current State: 82:[81, 1, 24], Operations: ['94-70=24'] Exploring Operation: 81+1=82, Resulting Numbers: [24, 82] Generated Node #0,4,0: 82:[24, 82] Operation: 81+1=82 Exploring Operation: 1+24=25, Resulting Numbers: [81, 25] Generated Node #0,4,1: 82:[81, 25] Operation: 1+24=25 Exploring Operation: 81-24=57, Resulting Numbers: [1, 57] Generated Node #0,4,2: 82:[1, 57] Operation: 81-24=57 Exploring Operation: 81*1=81, Resulting Numbers: [24, 81] Generated Node #0,4,3: 82:[24, 81] Operation: 81*1=81 Exploring Operation: 81/1=81, Resulting Numbers: [24, 81] Generated Node #0,4,4: 82:[24, 81] Operation: 81/1=81 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 82:[24, 82], Operations: ['94-70=24', '81+1=82'] Exploring Operation: 82-24=58, Resulting Numbers: [58] 58,82 unequal: No Solution Exploring Operation: 24+82=106, Resulting Numbers: [106] 106,82 unequal: No Solution Exploring Operation: 24*82=1968, Resulting Numbers: [1968] 1968,82 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 #0,4,1 Current State: 82:[81, 25], Operations: ['94-70=24', '1+24=25'] Exploring Operation: 81-25=56, Resulting Numbers: [56] 56,82 unequal: No Solution Exploring Operation: 81*25=2025, Resulting Numbers: [2025] 2025,82 unequal: No Solution Exploring Operation: 81+25=106, Resulting Numbers: [106] 106,82 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 #0,4,2 Current State: 82:[1, 57], Operations: ['94-70=24', '81-24=57'] Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,82 unequal: No Solution Exploring Operation: 1*57=57, Resulting Numbers: [57] 57,82 unequal: No Solution Exploring Operation: 1+57=58, Resulting Numbers: [58] 58,82 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,82 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 #0,4,3 Current State: 82:[24, 81], Operations: ['94-70=24', '81*1=81'] Exploring Operation: 24+81=105, Resulting Numbers: [105] 105,82 unequal: No Solution Exploring Operation: 24*81=1944, Resulting Numbers: [1944] 1944,82 unequal: No Solution Exploring Operation: 81-24=57, Resulting Numbers: [57] 57,82 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 #0,4,4 Current State: 82:[24, 81], Operations: ['94-70=24', '81/1=81'] Exploring Operation: 24+81=105, Resulting Numbers: [105] 105,82 unequal: No Solution Exploring Operation: 24*81=1944, Resulting Numbers: [1944] 1944,82 unequal: No Solution Exploring Operation: 81-24=57, Resulting Numbers: [57] 57,82 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: 82:[94, 1, 11], Operations: ['81-70=11'] Exploring Operation: 94-1=93, Resulting Numbers: [11, 93] Generated Node #0,3,0: 82:[11, 93] Operation: 94-1=93 Exploring Operation: 94*1=94, Resulting Numbers: [11, 94] Generated Node #0,3,1: 82:[11, 94] Operation: 94*1=94 Exploring Operation: 11-1=10, Resulting Numbers: [94, 10] Generated Node #0,3,2: 82:[94, 10] Operation: 11-1=10 Exploring Operation: 94/1=94, Resulting Numbers: [11, 94] Generated Node #0,3,3: 82:[11, 94] Operation: 94/1=94 Exploring Operation: 94-11=83, Resulting Numbers: [1, 83] Generated Node #0,3,4: 82:[1, 83] Operation: 94-11=83 Moving to Node #0,0 Current State: 82:[70, 81, 93], Operations: ['94-1=93'] Exploring Operation: 70+81=151, Resulting Numbers: [93, 151] Generated Node #0,0,0: 82:[93, 151] Operation: 70+81=151 Exploring Operation: 93-81=12, Resulting Numbers: [70, 12] Generated Node #0,0,1: 82:[70, 12] Operation: 93-81=12 Exploring Operation: 70+93=163, Resulting Numbers: [81, 163] Generated Node #0,0,2: 82:[81, 163] Operation: 70+93=163 Exploring Operation: 81-70=11, Resulting Numbers: [93, 11] Generated Node #0,0,3: 82:[93, 11] Operation: 81-70=11 Exploring Operation: 93-70=23, Resulting Numbers: [81, 23] Generated Node #0,0,4: 82:[81, 23] Operation: 93-70=23 Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 82:[81, 23], Operations: ['94-1=93', '93-70=23'] Exploring Operation: 81+23=104, Resulting Numbers: [104] 104,82 unequal: No Solution Exploring Operation: 81-23=58, Resulting Numbers: [58] 58,82 unequal: No Solution Exploring Operation: 81*23=1863, Resulting Numbers: [1863] 1863,82 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 #0,0,3 Current State: 82:[93, 11], Operations: ['94-1=93', '81-70=11'] Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[70, 94, 81, 1], Operations: [] Exploring Operation: 94-1=93, Resulting Numbers: [70, 81, 93] Generated Node #0,0: 82:[70, 81, 93] Operation: 94-1=93 Moving to Node #0,0 Current State: 82:[70, 81, 93], Operations: ['94-1=93'] Exploring Operation: 81-70=11, Resulting Numbers: [93, 11] Generated Node #0,0,3: 82:[93, 11] Operation: 81-70=11 Moving to Node #0,0,3 Current State: 82:[93, 11], Operations: ['94-1=93', '81-70=11'] Exploring Operation: 93-11=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.961806
hs_5
sum_heuristic
[ 61, 51, 66, 60 ]
16
[ "61-51=10", "66-60=6", "10+6=16" ]
Current State: 16:[61, 51, 66, 60], Operations: [] Exploring Operation: 61-51=10, Resulting Numbers: [66, 60, 10] Generated Node #2: [66, 60, 10] from Operation: 61-51=10 Current State: 16:[66, 60, 10], Operations: ['61-51=10'] Exploring Operation: 66-60=6, Resulting Numbers: [10, 6] Generated Node #3: [10, 6] from Operation: 66-60=6 Current State: 16:[10, 6], Operations: ['61-51=10', '66-60=6'] Exploring Operation: 10+6=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[61, 51, 66, 60], Operations: [] Exploring Operation: 61-51=10, Resulting Numbers: [66, 60, 10] Generated Node #0,0: 16:[66, 60, 10] Operation: 61-51=10 Exploring Operation: 66-51=15, Resulting Numbers: [61, 60, 15] Generated Node #0,1: 16:[61, 60, 15] Operation: 66-51=15 Exploring Operation: 66-61=5, Resulting Numbers: [51, 60, 5] Generated Node #0,2: 16:[51, 60, 5] Operation: 66-61=5 Exploring Operation: 66-60=6, Resulting Numbers: [61, 51, 6] Generated Node #0,3: 16:[61, 51, 6] Operation: 66-60=6 Exploring Operation: 61-60=1, Resulting Numbers: [51, 66, 1] Generated Node #0,4: 16:[51, 66, 1] Operation: 61-60=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[51, 60, 5], Operations: ['66-61=5'] Exploring Operation: 60-5=55, Resulting Numbers: [51, 55] Generated Node #0,2,0: 16:[51, 55] Operation: 60-5=55 Exploring Operation: 51-5=46, Resulting Numbers: [60, 46] Generated Node #0,2,1: 16:[60, 46] Operation: 51-5=46 Exploring Operation: 60/5=12, Resulting Numbers: [51, 12] Generated Node #0,2,2: 16:[51, 12] Operation: 60/5=12 Exploring Operation: 60-51=9, Resulting Numbers: [5, 9] Generated Node #0,2,3: 16:[5, 9] Operation: 60-51=9 Exploring Operation: 51+5=56, Resulting Numbers: [60, 56] Generated Node #0,2,4: 16:[60, 56] Operation: 51+5=56 Moving to Node #0,2,3 Current State: 16:[5, 9], Operations: ['66-61=5', '60-51=9'] Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,16 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,16 unequal: No Solution Moving to Node #0,2,2 Current State: 16:[51, 12], Operations: ['66-61=5', '60/5=12'] Exploring Operation: 51+12=63, Resulting Numbers: [63] 63,16 unequal: No Solution Exploring Operation: 51-12=39, Resulting Numbers: [39] 39,16 unequal: No Solution Exploring Operation: 51*12=612, Resulting Numbers: [612] 612,16 unequal: No Solution Moving to Node #0,2,0 Current State: 16:[51, 55], Operations: ['66-61=5', '60-5=55'] Exploring Operation: 55-51=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 51+55=106, Resulting Numbers: [106] 106,16 unequal: No Solution Exploring Operation: 51*55=2805, Resulting Numbers: [2805] 2805,16 unequal: No Solution Moving to Node #0,2,1 Current State: 16:[60, 46], Operations: ['66-61=5', '51-5=46'] Exploring Operation: 60*46=2760, Resulting Numbers: [2760] 2760,16 unequal: No Solution Exploring Operation: 60+46=106, Resulting Numbers: [106] 106,16 unequal: No Solution Exploring Operation: 60-46=14, Resulting Numbers: [14] 14,16 unequal: No Solution Moving to Node #0,2,4 Current State: 16:[60, 56], Operations: ['66-61=5', '51+5=56'] Exploring Operation: 60-56=4, Resulting Numbers: [4] 4,16 unequal: No Solution Exploring Operation: 60*56=3360, Resulting Numbers: [3360] 3360,16 unequal: No Solution Exploring Operation: 60+56=116, Resulting Numbers: [116] 116,16 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 #0,3 Current State: 16:[61, 51, 6], Operations: ['66-60=6'] Exploring Operation: 51-6=45, Resulting Numbers: [61, 45] Generated Node #0,3,0: 16:[61, 45] Operation: 51-6=45 Exploring Operation: 51+6=57, Resulting Numbers: [61, 57] Generated Node #0,3,1: 16:[61, 57] Operation: 51+6=57 Exploring Operation: 61+6=67, Resulting Numbers: [51, 67] Generated Node #0,3,2: 16:[51, 67] Operation: 61+6=67 Exploring Operation: 61-51=10, Resulting Numbers: [6, 10] Generated Node #0,3,3: 16:[6, 10] Operation: 61-51=10 Exploring Operation: 61-6=55, Resulting Numbers: [51, 55] Generated Node #0,3,4: 16:[51, 55] Operation: 61-6=55 Moving to Node #0,3,3 Current State: 16:[6, 10], Operations: ['66-60=6', '61-51=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[61, 51, 66, 60], Operations: [] Exploring Operation: 66-60=6, Resulting Numbers: [61, 51, 6] Generated Node #0,3: 16:[61, 51, 6] Operation: 66-60=6 Moving to Node #0,3 Current State: 16:[61, 51, 6], Operations: ['66-60=6'] Exploring Operation: 61-51=10, Resulting Numbers: [6, 10] Generated Node #0,3,3: 16:[6, 10] Operation: 61-51=10 Moving to Node #0,3,3 Current State: 16:[6, 10], Operations: ['66-60=6', '61-51=10'] Exploring Operation: 6+10=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_5
sum_heuristic
[ 9, 11, 4, 36 ]
10
[ "9*4=36", "36/36=1", "11-1=10" ]
Current State: 10:[9, 11, 4, 36], Operations: [] Exploring Operation: 9*4=36, Resulting Numbers: [11, 36, 36] Generated Node #2: [11, 36, 36] from Operation: 9*4=36 Current State: 10:[11, 36, 36], Operations: ['9*4=36'] Exploring Operation: 36/36=1, Resulting Numbers: [11, 1] Generated Node #3: [11, 1] from Operation: 36/36=1 Current State: 10:[11, 1], Operations: ['9*4=36', '36/36=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[9, 11, 4, 36], Operations: [] Exploring Operation: 36/4=9, Resulting Numbers: [9, 11, 9] Generated Node #0,0: 10:[9, 11, 9] Operation: 36/4=9 Exploring Operation: 36-11=25, Resulting Numbers: [9, 4, 25] Generated Node #0,1: 10:[9, 4, 25] Operation: 36-11=25 Exploring Operation: 36/9=4, Resulting Numbers: [11, 4, 4] Generated Node #0,2: 10:[11, 4, 4] Operation: 36/9=4 Exploring Operation: 36-9=27, Resulting Numbers: [11, 4, 27] Generated Node #0,3: 10:[11, 4, 27] Operation: 36-9=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[9, 11, 9], Operations: ['36/4=9'] Exploring Operation: 9/9=1, Resulting Numbers: [11, 1] Generated Node #0,0,0: 10:[11, 1] Operation: 9/9=1 Exploring Operation: 9-9=0, Resulting Numbers: [11, 0] Generated Node #0,0,1: 10:[11, 0] Operation: 9-9=0 Exploring Operation: 11-9=2, Resulting Numbers: [9, 2] Generated Node #0,0,2: 10:[9, 2] Operation: 11-9=2 Exploring Operation: 11-9=2, Resulting Numbers: [9, 2] Generated Node #0,0,3: 10:[9, 2] Operation: 11-9=2 Moving to Node #0,0,2 Current State: 10:[9, 2], Operations: ['36/4=9', '11-9=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[9, 2], Operations: ['36/4=9', '11-9=2'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,10 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[11, 1], Operations: ['36/4=9', '9/9=1'] Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,10 unequal: No Solution Exploring Operation: 11+1=12, Resulting Numbers: [12] 12,10 unequal: No Solution Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[9, 11, 4, 36], Operations: [] Exploring Operation: 36/4=9, Resulting Numbers: [9, 11, 9] Generated Node #0,0: 10:[9, 11, 9] Operation: 36/4=9 Moving to Node #0,0 Current State: 10:[9, 11, 9], Operations: ['36/4=9'] Exploring Operation: 9/9=1, Resulting Numbers: [11, 1] Generated Node #0,0,0: 10:[11, 1] Operation: 9/9=1 Moving to Node #0,0,0 Current State: 10:[11, 1], Operations: ['36/4=9', '9/9=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_4
mult_heuristic
[ 15, 54, 46, 17 ]
24
[ "54-15=39", "46+17=63", "63-39=24" ]
Current State: 24:[15, 54, 46, 17], Operations: [] Exploring Operation: 54-15=39, Resulting Numbers: [46, 17, 39] Generated Node #2: [46, 17, 39] from Operation: 54-15=39 Current State: 24:[46, 17, 39], Operations: ['54-15=39'] Exploring Operation: 46+17=63, Resulting Numbers: [39, 63] Generated Node #3: [39, 63] from Operation: 46+17=63 Current State: 24:[39, 63], Operations: ['54-15=39', '46+17=63'] Exploring Operation: 63-39=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[15, 54, 46, 17], Operations: [] Exploring Operation: 54-46=8, Resulting Numbers: [15, 17, 8] Generated Node #0,0: 24:[15, 17, 8] Operation: 54-46=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[15, 17, 8], Operations: ['54-46=8'] Exploring Operation: 17-15=2, Resulting Numbers: [8, 2] Generated Node #0,0,0: 24:[8, 2] Operation: 17-15=2 Moving to Node #0,0,0 Current State: 24:[8, 2], Operations: ['54-46=8', '17-15=2'] Exploring Operation: 8-2=6, Resulting Numbers: [6] 6,24 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
[ 83, 39, 32, 68 ]
52
[ "83-32=51", "39*68=2652", "2652/51=52" ]
Current State: 52:[83, 39, 32, 68], Operations: [] Exploring Operation: 83-32=51, Resulting Numbers: [39, 68, 51] Generated Node #2: [39, 68, 51] from Operation: 83-32=51 Current State: 52:[39, 68, 51], Operations: ['83-32=51'] Exploring Operation: 39*68=2652, Resulting Numbers: [51, 2652] Generated Node #3: [51, 2652] from Operation: 39*68=2652 Current State: 52:[51, 2652], Operations: ['83-32=51', '39*68=2652'] Exploring Operation: 2652/51=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[83, 39, 32, 68], Operations: [] Exploring Operation: 83-32=51, Resulting Numbers: [39, 68, 51] Generated Node #0,0: 52:[39, 68, 51] Operation: 83-32=51 Exploring Operation: 83-68=15, Resulting Numbers: [39, 32, 15] Generated Node #0,1: 52:[39, 32, 15] Operation: 83-68=15 Exploring Operation: 83-39=44, Resulting Numbers: [32, 68, 44] Generated Node #0,2: 52:[32, 68, 44] Operation: 83-39=44 Moving to Node #0,1 Current State: 52:[39, 32, 15], Operations: ['83-68=15'] Exploring Operation: 39+15=54, Resulting Numbers: [32, 54] Generated Node #0,1,0: 52:[32, 54] Operation: 39+15=54 Exploring Operation: 39-15=24, Resulting Numbers: [32, 24] Generated Node #0,1,1: 52:[32, 24] Operation: 39-15=24 Exploring Operation: 39-32=7, Resulting Numbers: [15, 7] Generated Node #0,1,2: 52:[15, 7] Operation: 39-32=7 Moving to Node #0,0 Current State: 52:[39, 68, 51], Operations: ['83-32=51'] Exploring Operation: 51-39=12, Resulting Numbers: [68, 12] Generated Node #0,0,0: 52:[68, 12] Operation: 51-39=12 Exploring Operation: 68-51=17, Resulting Numbers: [39, 17] Generated Node #0,0,1: 52:[39, 17] Operation: 68-51=17 Exploring Operation: 68-39=29, Resulting Numbers: [51, 29] Generated Node #0,0,2: 52:[51, 29] Operation: 68-39=29 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 52:[51, 29], Operations: ['83-32=51', '68-39=29'] Exploring Operation: 51-29=22, Resulting Numbers: [22] 22,52 unequal: No Solution Exploring Operation: 51+29=80, Resulting Numbers: [80] 80,52 unequal: No Solution Exploring Operation: 51*29=1479, Resulting Numbers: [1479] 1479,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[68, 12], Operations: ['83-32=51', '51-39=12'] Exploring Operation: 68+12=80, Resulting Numbers: [80] 80,52 unequal: No Solution Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,52 unequal: No Solution Exploring Operation: 68*12=816, Resulting Numbers: [816] 816,52 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 #0,0,1 Current State: 52:[39, 17], Operations: ['83-32=51', '68-51=17'] Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,52 unequal: No Solution Exploring Operation: 39+17=56, Resulting Numbers: [56] 56,52 unequal: No Solution Exploring Operation: 39*17=663, Resulting Numbers: [663] 663,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 52:[32, 68, 44], Operations: ['83-39=44'] Exploring Operation: 68-32=36, Resulting Numbers: [44, 36] Generated Node #0,2,0: 52:[44, 36] Operation: 68-32=36 Exploring Operation: 44-32=12, Resulting Numbers: [68, 12] Generated Node #0,2,1: 52:[68, 12] Operation: 44-32=12 Exploring Operation: 68-44=24, Resulting Numbers: [32, 24] Generated Node #0,2,2: 52:[32, 24] Operation: 68-44=24 Moving to Node #0,1,2 Current State: 52:[15, 7], Operations: ['83-68=15', '39-32=7'] Exploring Operation: 15*7=105, Resulting Numbers: [105] 105,52 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 15+7=22, Resulting Numbers: [22] 22,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[32, 24], Operations: ['83-68=15', '39-15=24'] Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,52 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,52 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[32, 54], Operations: ['83-68=15', '39+15=54'] Exploring Operation: 32*54=1728, Resulting Numbers: [1728] 1728,52 unequal: No Solution Exploring Operation: 32+54=86, Resulting Numbers: [86] 86,52 unequal: No Solution Exploring Operation: 54-32=22, Resulting Numbers: [22] 22,52 unequal: No Solution Moving to Node #0,2,2 Current State: 52:[32, 24], Operations: ['83-39=44', '68-44=24'] Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,52 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,52 unequal: No Solution Moving to Node #0,2,1 Current State: 52:[68, 12], Operations: ['83-39=44', '44-32=12'] Exploring Operation: 68-12=56, Resulting Numbers: [56] 56,52 unequal: No Solution Exploring Operation: 68+12=80, Resulting Numbers: [80] 80,52 unequal: No Solution Exploring Operation: 68*12=816, Resulting Numbers: [816] 816,52 unequal: No Solution Moving to Node #0,2,0 Current State: 52:[44, 36], Operations: ['83-39=44', '68-32=36'] Exploring Operation: 44-36=8, Resulting Numbers: [8] 8,52 unequal: No Solution Exploring Operation: 44*36=1584, Resulting Numbers: [1584] 1584,52 unequal: No Solution Exploring Operation: 44+36=80, Resulting Numbers: [80] 80,52 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 39, 14, 2, 73 ]
18
[ "39+14=53", "73-2=71", "71-53=18" ]
Current State: 18:[39, 14, 2, 73], Operations: [] Exploring Operation: 39+14=53, Resulting Numbers: [2, 73, 53] Generated Node #2: [2, 73, 53] from Operation: 39+14=53 Current State: 18:[2, 73, 53], Operations: ['39+14=53'] Exploring Operation: 73-2=71, Resulting Numbers: [53, 71] Generated Node #3: [53, 71] from Operation: 73-2=71 Current State: 18:[53, 71], Operations: ['39+14=53', '73-2=71'] Exploring Operation: 71-53=18, Resulting Numbers: [18] 18,18 equal: Goal Reached
4
Current State: 18:[39, 14, 2, 73], Operations: [] Exploring Operation: 39-14=25, Resulting Numbers: [2, 73, 25] Generated Node #0,0: 18:[2, 73, 25] Operation: 39-14=25 Exploring Operation: 73-39=34, Resulting Numbers: [14, 2, 34] Generated Node #0,1: 18:[14, 2, 34] Operation: 73-39=34 Start Sub Search at level 1: Moving to Node #0,1 Current State: 18:[14, 2, 34], Operations: ['73-39=34'] Exploring Operation: 34-14=20, Resulting Numbers: [2, 20] Generated Node #0,1,0: 18:[2, 20] Operation: 34-14=20 Exploring Operation: 34/2=17, Resulting Numbers: [14, 17] Generated Node #0,1,1: 18:[14, 17] Operation: 34/2=17 Moving to Node #0,1,0 Current State: 18:[2, 20], Operations: ['73-39=34', '34-14=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Moving to Node #0 Current State: 18:[39, 14, 2, 73], Operations: [] Exploring Operation: 73-39=34, Resulting Numbers: [14, 2, 34] Generated Node #0,1: 18:[14, 2, 34] Operation: 73-39=34 Moving to Node #0,1 Current State: 18:[14, 2, 34], Operations: ['73-39=34'] Exploring Operation: 34-14=20, Resulting Numbers: [2, 20] Generated Node #0,1,0: 18:[2, 20] Operation: 34-14=20 Moving to Node #0,1,0 Current State: 18:[2, 20], Operations: ['73-39=34', '34-14=20'] Exploring Operation: 20-2=18, Resulting Numbers: [18] 18,18 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 9, 85, 29, 56 ]
82
[ "56-29=27", "27/9=3", "85-3=82" ]
Current State: 82:[9, 85, 29, 56], Operations: [] Exploring Operation: 56-29=27, Resulting Numbers: [9, 85, 27] Generated Node #2: [9, 85, 27] from Operation: 56-29=27 Current State: 82:[9, 85, 27], Operations: ['56-29=27'] Exploring Operation: 27/9=3, Resulting Numbers: [85, 3] Generated Node #3: [85, 3] from Operation: 27/9=3 Current State: 82:[85, 3], Operations: ['56-29=27', '27/9=3'] Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[9, 85, 29, 56], Operations: [] Exploring Operation: 29+56=85, Resulting Numbers: [9, 85, 85] Generated Node #0,0: 82:[9, 85, 85] Operation: 29+56=85 Moving to Node #0,0 Current State: 82:[9, 85, 85], Operations: ['29+56=85'] Exploring Operation: 85/85=1, Resulting Numbers: [9, 1] Generated Node #0,0,0: 82:[9, 1] Operation: 85/85=1 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[9, 1], Operations: ['29+56=85', '85/85=1'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,82 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
[ 11, 39, 20, 41 ]
51
[ "41-39=2", "20*2=40", "11+40=51" ]
Current State: 51:[11, 39, 20, 41], Operations: [] Exploring Operation: 41-39=2, Resulting Numbers: [11, 20, 2] Generated Node #2: [11, 20, 2] from Operation: 41-39=2 Current State: 51:[11, 20, 2], Operations: ['41-39=2'] Exploring Operation: 20*2=40, Resulting Numbers: [11, 40] Generated Node #3: [11, 40] from Operation: 20*2=40 Current State: 51:[11, 40], Operations: ['41-39=2', '20*2=40'] Exploring Operation: 11+40=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[11, 39, 20, 41], Operations: [] Exploring Operation: 11+41=52, Resulting Numbers: [39, 20, 52] Generated Node #0,0: 51:[39, 20, 52] Operation: 11+41=52 Exploring Operation: 39-20=19, Resulting Numbers: [11, 41, 19] Generated Node #0,1: 51:[11, 41, 19] Operation: 39-20=19 Exploring Operation: 41-39=2, Resulting Numbers: [11, 20, 2] Generated Node #0,2: 51:[11, 20, 2] Operation: 41-39=2 Exploring Operation: 11+39=50, Resulting Numbers: [20, 41, 50] Generated Node #0,3: 51:[20, 41, 50] Operation: 11+39=50 Start Sub Search at level 1: Moving to Node #0,2 Current State: 51:[11, 20, 2], Operations: ['41-39=2'] Exploring Operation: 11+2=13, Resulting Numbers: [20, 13] Generated Node #0,2,0: 51:[20, 13] Operation: 11+2=13 Exploring Operation: 11*2=22, Resulting Numbers: [20, 22] Generated Node #0,2,1: 51:[20, 22] Operation: 11*2=22 Exploring Operation: 20-11=9, Resulting Numbers: [2, 9] Generated Node #0,2,2: 51:[2, 9] Operation: 20-11=9 Exploring Operation: 20-2=18, Resulting Numbers: [11, 18] Generated Node #0,2,3: 51:[11, 18] Operation: 20-2=18 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 51:[20, 13], Operations: ['41-39=2', '11+2=13'] Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,51 unequal: No Solution Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,51 unequal: No Solution Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 51:[2, 9], Operations: ['41-39=2', '20-11=9'] Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 51:[11, 18], Operations: ['41-39=2', '20-2=18'] Exploring Operation: 11*18=198, Resulting Numbers: [198] 198,51 unequal: No Solution Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 11+18=29, Resulting Numbers: [29] 29,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 51:[20, 22], Operations: ['41-39=2', '11*2=22'] Exploring Operation: 20+22=42, Resulting Numbers: [42] 42,51 unequal: No Solution Exploring Operation: 22-20=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 20*22=440, Resulting Numbers: [440] 440,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 51:[20, 41, 50], Operations: ['11+39=50'] Exploring Operation: 50-41=9, Resulting Numbers: [20, 9] Generated Node #0,3,0: 51:[20, 9] Operation: 50-41=9 Exploring Operation: 50-20=30, Resulting Numbers: [41, 30] Generated Node #0,3,1: 51:[41, 30] Operation: 50-20=30 Exploring Operation: 20+41=61, Resulting Numbers: [50, 61] Generated Node #0,3,2: 51:[50, 61] Operation: 20+41=61 Exploring Operation: 41-20=21, Resulting Numbers: [50, 21] Generated Node #0,3,3: 51:[50, 21] Operation: 41-20=21 Moving to Node #0,3,3 Current State: 51:[50, 21], Operations: ['11+39=50', '41-20=21'] Exploring Operation: 50*21=1050, Resulting Numbers: [1050] 1050,51 unequal: No Solution Exploring Operation: 50-21=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 50+21=71, Resulting Numbers: [71] 71,51 unequal: No Solution Moving to Node #0,3,0 Current State: 51:[20, 9], Operations: ['11+39=50', '50-41=9'] Exploring Operation: 20-9=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 20+9=29, Resulting Numbers: [29] 29,51 unequal: No Solution Exploring Operation: 20*9=180, Resulting Numbers: [180] 180,51 unequal: No Solution Moving to Node #0,3,2 Current State: 51:[50, 61], Operations: ['11+39=50', '20+41=61'] Exploring Operation: 50*61=3050, Resulting Numbers: [3050] 3050,51 unequal: No Solution Exploring Operation: 50+61=111, Resulting Numbers: [111] 111,51 unequal: No Solution Exploring Operation: 61-50=11, Resulting Numbers: [11] 11,51 unequal: No Solution Moving to Node #0,3,1 Current State: 51:[41, 30], Operations: ['11+39=50', '50-20=30'] Exploring Operation: 41*30=1230, Resulting Numbers: [1230] 1230,51 unequal: No Solution Exploring Operation: 41+30=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 51:[39, 20, 52], Operations: ['11+41=52'] Exploring Operation: 39-20=19, Resulting Numbers: [52, 19] Generated Node #0,0,0: 51:[52, 19] Operation: 39-20=19 Exploring Operation: 39+20=59, Resulting Numbers: [52, 59] Generated Node #0,0,1: 51:[52, 59] Operation: 39+20=59 Exploring Operation: 52-20=32, Resulting Numbers: [39, 32] Generated Node #0,0,2: 51:[39, 32] Operation: 52-20=32 Exploring Operation: 52-39=13, Resulting Numbers: [20, 13] Generated Node #0,0,3: 51:[20, 13] Operation: 52-39=13 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 51:[52, 19], Operations: ['11+41=52', '39-20=19'] Exploring Operation: 52+19=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 52*19=988, Resulting Numbers: [988] 988,51 unequal: No Solution Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 51:[20, 13], Operations: ['11+41=52', '52-39=13'] Exploring Operation: 20-13=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 20+13=33, Resulting Numbers: [33] 33,51 unequal: No Solution Exploring Operation: 20*13=260, Resulting Numbers: [260] 260,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 51:[52, 59], Operations: ['11+41=52', '39+20=59'] Exploring Operation: 52+59=111, Resulting Numbers: [111] 111,51 unequal: No Solution Exploring Operation: 59-52=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 52*59=3068, Resulting Numbers: [3068] 3068,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 51:[39, 32], Operations: ['11+41=52', '52-20=32'] Exploring Operation: 39-32=7, Resulting Numbers: [7] 7,51 unequal: No Solution Exploring Operation: 39+32=71, Resulting Numbers: [71] 71,51 unequal: No Solution Exploring Operation: 39*32=1248, Resulting Numbers: [1248] 1248,51 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 51:[11, 41, 19], Operations: ['39-20=19'] Exploring Operation: 19-11=8, Resulting Numbers: [41, 8] Generated Node #0,1,0: 51:[41, 8] Operation: 19-11=8 Exploring Operation: 41-19=22, Resulting Numbers: [11, 22] Generated Node #0,1,1: 51:[11, 22] Operation: 41-19=22 Exploring Operation: 11+41=52, Resulting Numbers: [19, 52] Generated Node #0,1,2: 51:[19, 52] Operation: 11+41=52 Exploring Operation: 41-11=30, Resulting Numbers: [19, 30] Generated Node #0,1,3: 51:[19, 30] Operation: 41-11=30 Moving to Node #0,1,2 Current State: 51:[19, 52], Operations: ['39-20=19', '11+41=52'] Exploring Operation: 52-19=33, Resulting Numbers: [33] 33,51 unequal: No Solution Exploring Operation: 19*52=988, Resulting Numbers: [988] 988,51 unequal: No Solution Exploring Operation: 19+52=71, Resulting Numbers: [71] 71,51 unequal: No Solution Moving to Node #0,1,1 Current State: 51:[11, 22], Operations: ['39-20=19', '41-19=22'] Exploring Operation: 11+22=33, Resulting Numbers: [33] 33,51 unequal: No Solution Exploring Operation: 22/11=2, Resulting Numbers: [2] 2,51 unequal: No Solution Exploring Operation: 22-11=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 11*22=242, Resulting Numbers: [242] 242,51 unequal: No Solution Moving to Node #0,1,3 Current State: 51:[19, 30], Operations: ['39-20=19', '41-11=30'] Exploring Operation: 30-19=11, Resulting Numbers: [11] 11,51 unequal: No Solution Exploring Operation: 19*30=570, Resulting Numbers: [570] 570,51 unequal: No Solution Exploring Operation: 19+30=49, Resulting Numbers: [49] 49,51 unequal: No Solution Moving to Node #0,1,0 Current State: 51:[41, 8], Operations: ['39-20=19', '19-11=8'] Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,51 unequal: No Solution Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,51 unequal: No Solution Exploring Operation: 41*8=328, Resulting Numbers: [328] 328,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 66, 89, 19, 67 ]
25
[ "89-66=23", "67-19=48", "48-23=25" ]
Current State: 25:[66, 89, 19, 67], Operations: [] Exploring Operation: 89-66=23, Resulting Numbers: [19, 67, 23] Generated Node #2: [19, 67, 23] from Operation: 89-66=23 Current State: 25:[19, 67, 23], Operations: ['89-66=23'] Exploring Operation: 67-19=48, Resulting Numbers: [23, 48] Generated Node #3: [23, 48] from Operation: 67-19=48 Current State: 25:[23, 48], Operations: ['89-66=23', '67-19=48'] Exploring Operation: 48-23=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[66, 89, 19, 67], Operations: [] Exploring Operation: 89-66=23, Resulting Numbers: [19, 67, 23] Generated Node #0,0: 25:[19, 67, 23] Operation: 89-66=23 Moving to Node #0,0 Current State: 25:[19, 67, 23], Operations: ['89-66=23'] Exploring Operation: 67-19=48, Resulting Numbers: [23, 48] Generated Node #0,0,0: 25:[23, 48] Operation: 67-19=48 Moving to Node #0,0,0 Current State: 25:[23, 48], Operations: ['89-66=23', '67-19=48'] Exploring Operation: 48-23=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[66, 89, 19, 67], Operations: [] Exploring Operation: 89-66=23, Resulting Numbers: [19, 67, 23] Generated Node #0,0: 25:[19, 67, 23] Operation: 89-66=23 Moving to Node #0,0 Current State: 25:[19, 67, 23], Operations: ['89-66=23'] Exploring Operation: 67-19=48, Resulting Numbers: [23, 48] Generated Node #0,0,0: 25:[23, 48] Operation: 67-19=48 Moving to Node #0,0,0 Current State: 25:[23, 48], Operations: ['89-66=23', '67-19=48'] Exploring Operation: 48-23=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 64, 32, 40, 88 ]
48
[ "64+32=96", "88-40=48", "96-48=48" ]
Current State: 48:[64, 32, 40, 88], Operations: [] Exploring Operation: 64+32=96, Resulting Numbers: [40, 88, 96] Generated Node #2: [40, 88, 96] from Operation: 64+32=96 Current State: 48:[40, 88, 96], Operations: ['64+32=96'] Exploring Operation: 88-40=48, Resulting Numbers: [96, 48] Generated Node #3: [96, 48] from Operation: 88-40=48 Current State: 48:[96, 48], Operations: ['64+32=96', '88-40=48'] Exploring Operation: 96-48=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[64, 32, 40, 88], Operations: [] Exploring Operation: 88-64=24, Resulting Numbers: [32, 40, 24] Generated Node #0,0: 48:[32, 40, 24] Operation: 88-64=24 Moving to Node #0,0 Current State: 48:[32, 40, 24], Operations: ['88-64=24'] Exploring Operation: 40-32=8, Resulting Numbers: [24, 8] Generated Node #0,0,0: 48:[24, 8] Operation: 40-32=8 Moving to Node #0,0,0 Current State: 48:[24, 8], Operations: ['88-64=24', '40-32=8'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,48 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 11, 9, 33, 3 ]
54
[ "33/11=3", "3+3=6", "9*6=54" ]
Current State: 54:[11, 9, 33, 3], Operations: [] Exploring Operation: 33/11=3, Resulting Numbers: [9, 3, 3] Generated Node #2: [9, 3, 3] from Operation: 33/11=3 Current State: 54:[9, 3, 3], Operations: ['33/11=3'] Exploring Operation: 3+3=6, Resulting Numbers: [9, 6] Generated Node #3: [9, 6] from Operation: 3+3=6 Current State: 54:[9, 6], Operations: ['33/11=3', '3+3=6'] Exploring Operation: 9*6=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[11, 9, 33, 3], Operations: [] Exploring Operation: 33/3=11, Resulting Numbers: [11, 9, 11] Generated Node #0,0: 54:[11, 9, 11] Operation: 33/3=11 Exploring Operation: 33/11=3, Resulting Numbers: [9, 3, 3] Generated Node #0,1: 54:[9, 3, 3] Operation: 33/11=3 Exploring Operation: 33-9=24, Resulting Numbers: [11, 3, 24] Generated Node #0,2: 54:[11, 3, 24] Operation: 33-9=24 Exploring Operation: 33-11=22, Resulting Numbers: [9, 3, 22] Generated Node #0,3: 54:[9, 3, 22] Operation: 33-11=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 54:[9, 3, 3], Operations: ['33/11=3'] Exploring Operation: 9-3=6, Resulting Numbers: [3, 6] Generated Node #0,1,0: 54:[3, 6] Operation: 9-3=6 Exploring Operation: 9/3=3, Resulting Numbers: [3, 3] Generated Node #0,1,1: 54:[3, 3] Operation: 9/3=3 Exploring Operation: 9*3=27, Resulting Numbers: [3, 27] Generated Node #0,1,2: 54:[3, 27] Operation: 9*3=27 Exploring Operation: 9*3=27, Resulting Numbers: [3, 27] Generated Node #0,1,3: 54:[3, 27] Operation: 9*3=27 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 54:[3, 6], Operations: ['33/11=3', '9-3=6'] Exploring Operation: 6/3=2, Resulting Numbers: [2] 2,54 unequal: No Solution Exploring Operation: 3+6=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 3*6=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 6-3=3, Resulting Numbers: [3] 3,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 54:[3, 3], Operations: ['33/11=3', '9/3=3'] Exploring Operation: 3-3=0, Resulting Numbers: [0] 0,54 unequal: No Solution Exploring Operation: 3+3=6, Resulting Numbers: [6] 6,54 unequal: No Solution Exploring Operation: 3/3=1, Resulting Numbers: [1] 1,54 unequal: No Solution Exploring Operation: 3*3=9, Resulting Numbers: [9] 9,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 54:[3, 27], Operations: ['33/11=3', '9*3=27'] Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,54 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,54 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 54:[3, 27], Operations: ['33/11=3', '9*3=27'] Exploring Operation: 3*27=81, Resulting Numbers: [81] 81,54 unequal: No Solution Exploring Operation: 3+27=30, Resulting Numbers: [30] 30,54 unequal: No Solution Exploring Operation: 27/3=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 54:[11, 9, 11], Operations: ['33/3=11'] Exploring Operation: 11/11=1, Resulting Numbers: [9, 1] Generated Node #0,0,0: 54:[9, 1] Operation: 11/11=1 Exploring Operation: 11-9=2, Resulting Numbers: [11, 2] Generated Node #0,0,1: 54:[11, 2] Operation: 11-9=2 Exploring Operation: 11-11=0, Resulting Numbers: [9, 0] Generated Node #0,0,2: 54:[9, 0] Operation: 11-11=0 Exploring Operation: 11-9=2, Resulting Numbers: [11, 2] Generated Node #0,0,3: 54:[11, 2] Operation: 11-9=2 Moving to Node #0,0,0 Current State: 54:[9, 1], Operations: ['33/3=11', '11/11=1'] Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,54 unequal: No Solution Moving to Node #0,0,2 Current State: 54:[9, 0], Operations: ['33/3=11', '11-11=0'] Exploring Operation: 9*0=0, Resulting Numbers: [0] 0,54 unequal: No Solution Exploring Operation: 9-0=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 9+0=9, Resulting Numbers: [9] 9,54 unequal: No Solution Moving to Node #0,0,1 Current State: 54:[11, 2], Operations: ['33/3=11', '11-9=2'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,54 unequal: No Solution Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,54 unequal: No Solution Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,54 unequal: No Solution Moving to Node #0,0,3 Current State: 54:[11, 2], Operations: ['33/3=11', '11-9=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,54 unequal: No Solution Exploring Operation: 11+2=13, Resulting Numbers: [13] 13,54 unequal: No Solution Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 54:[9, 3, 22], Operations: ['33-11=22'] Exploring Operation: 9-3=6, Resulting Numbers: [22, 6] Generated Node #0,3,0: 54:[22, 6] Operation: 9-3=6 Exploring Operation: 3+22=25, Resulting Numbers: [9, 25] Generated Node #0,3,1: 54:[9, 25] Operation: 3+22=25 Exploring Operation: 9*3=27, Resulting Numbers: [22, 27] Generated Node #0,3,2: 54:[22, 27] Operation: 9*3=27 Exploring Operation: 22-3=19, Resulting Numbers: [9, 19] Generated Node #0,3,3: 54:[9, 19] Operation: 22-3=19 Moving to Node #0,3,3 Current State: 54:[9, 19], Operations: ['33-11=22', '22-3=19'] Exploring Operation: 9+19=28, Resulting Numbers: [28] 28,54 unequal: No Solution Exploring Operation: 19-9=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 9*19=171, Resulting Numbers: [171] 171,54 unequal: No Solution Moving to Node #0,3,1 Current State: 54:[9, 25], Operations: ['33-11=22', '3+22=25'] Exploring Operation: 9*25=225, Resulting Numbers: [225] 225,54 unequal: No Solution Exploring Operation: 9+25=34, Resulting Numbers: [34] 34,54 unequal: No Solution Exploring Operation: 25-9=16, Resulting Numbers: [16] 16,54 unequal: No Solution Moving to Node #0,3,2 Current State: 54:[22, 27], Operations: ['33-11=22', '9*3=27'] Exploring Operation: 27-22=5, Resulting Numbers: [5] 5,54 unequal: No Solution Exploring Operation: 22+27=49, Resulting Numbers: [49] 49,54 unequal: No Solution Exploring Operation: 22*27=594, Resulting Numbers: [594] 594,54 unequal: No Solution Moving to Node #0,3,0 Current State: 54:[22, 6], Operations: ['33-11=22', '9-3=6'] Exploring Operation: 22-6=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 22*6=132, Resulting Numbers: [132] 132,54 unequal: No Solution Exploring Operation: 22+6=28, Resulting Numbers: [28] 28,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[11, 3, 24], Operations: ['33-9=24'] Exploring Operation: 24/3=8, Resulting Numbers: [11, 8] Generated Node #0,2,0: 54:[11, 8] Operation: 24/3=8 Exploring Operation: 3+24=27, Resulting Numbers: [11, 27] Generated Node #0,2,1: 54:[11, 27] Operation: 3+24=27 Exploring Operation: 24-11=13, Resulting Numbers: [3, 13] Generated Node #0,2,2: 54:[3, 13] Operation: 24-11=13 Exploring Operation: 11-3=8, Resulting Numbers: [24, 8] Generated Node #0,2,3: 54:[24, 8] Operation: 11-3=8 Moving to Node #0,2,1 Current State: 54:[11, 27], Operations: ['33-9=24', '3+24=27'] Exploring Operation: 11+27=38, Resulting Numbers: [38] 38,54 unequal: No Solution Exploring Operation: 11*27=297, Resulting Numbers: [297] 297,54 unequal: No Solution Exploring Operation: 27-11=16, Resulting Numbers: [16] 16,54 unequal: No Solution Moving to Node #0,2,0 Current State: 54:[11, 8], Operations: ['33-9=24', '24/3=8'] Exploring Operation: 11-8=3, Resulting Numbers: [3] 3,54 unequal: No Solution Exploring Operation: 11+8=19, Resulting Numbers: [19] 19,54 unequal: No Solution Exploring Operation: 11*8=88, Resulting Numbers: [88] 88,54 unequal: No Solution Moving to Node #0,2,3 Current State: 54:[24, 8], Operations: ['33-9=24', '11-3=8'] Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,54 unequal: No Solution Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,54 unequal: No Solution Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,54 unequal: No Solution Moving to Node #0,2,2 Current State: 54:[3, 13], Operations: ['33-9=24', '24-11=13'] Exploring Operation: 3+13=16, Resulting Numbers: [16] 16,54 unequal: No Solution Exploring Operation: 13-3=10, Resulting Numbers: [10] 10,54 unequal: No Solution Exploring Operation: 3*13=39, Resulting Numbers: [39] 39,54 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
[ 44, 93, 91, 76 ]
60
[ "44+76=120", "93-91=2", "120/2=60" ]
Current State: 60:[44, 93, 91, 76], Operations: [] Exploring Operation: 44+76=120, Resulting Numbers: [93, 91, 120] Generated Node #2: [93, 91, 120] from Operation: 44+76=120 Current State: 60:[93, 91, 120], Operations: ['44+76=120'] Exploring Operation: 93-91=2, Resulting Numbers: [120, 2] Generated Node #3: [120, 2] from Operation: 93-91=2 Current State: 60:[120, 2], Operations: ['44+76=120', '93-91=2'] Exploring Operation: 120/2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[44, 93, 91, 76], Operations: [] Exploring Operation: 93-76=17, Resulting Numbers: [44, 91, 17] Generated Node #0,0: 60:[44, 91, 17] Operation: 93-76=17 Exploring Operation: 91-76=15, Resulting Numbers: [44, 93, 15] Generated Node #0,1: 60:[44, 93, 15] Operation: 91-76=15 Exploring Operation: 93-91=2, Resulting Numbers: [44, 76, 2] Generated Node #0,2: 60:[44, 76, 2] Operation: 93-91=2 Moving to Node #0,2 Current State: 60:[44, 76, 2], Operations: ['93-91=2'] Exploring Operation: 76/2=38, Resulting Numbers: [44, 38] Generated Node #0,2,0: 60:[44, 38] Operation: 76/2=38 Exploring Operation: 76-44=32, Resulting Numbers: [2, 32] Generated Node #0,2,1: 60:[2, 32] Operation: 76-44=32 Exploring Operation: 44/2=22, Resulting Numbers: [76, 22] Generated Node #0,2,2: 60:[76, 22] Operation: 44/2=22 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 60:[2, 32], Operations: ['93-91=2', '76-44=32'] Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,60 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,60 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,60 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:[76, 22], Operations: ['93-91=2', '44/2=22'] Exploring Operation: 76+22=98, Resulting Numbers: [98] 98,60 unequal: No Solution Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,60 unequal: No Solution Exploring Operation: 76*22=1672, Resulting Numbers: [1672] 1672,60 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 #0,2,0 Current State: 60:[44, 38], Operations: ['93-91=2', '76/2=38'] Exploring Operation: 44*38=1672, Resulting Numbers: [1672] 1672,60 unequal: No Solution Exploring Operation: 44+38=82, Resulting Numbers: [82] 82,60 unequal: No Solution Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 60:[44, 91, 17], Operations: ['93-76=17'] Exploring Operation: 44+17=61, Resulting Numbers: [91, 61] Generated Node #0,0,0: 60:[91, 61] Operation: 44+17=61 Exploring Operation: 91-17=74, Resulting Numbers: [44, 74] Generated Node #0,0,1: 60:[44, 74] Operation: 91-17=74 Exploring Operation: 91-44=47, Resulting Numbers: [17, 47] Generated Node #0,0,2: 60:[17, 47] Operation: 91-44=47 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 60:[17, 47], Operations: ['93-76=17', '91-44=47'] Exploring Operation: 17+47=64, Resulting Numbers: [64] 64,60 unequal: No Solution Exploring Operation: 17*47=799, Resulting Numbers: [799] 799,60 unequal: No Solution Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,60 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:[44, 74], Operations: ['93-76=17', '91-17=74'] Exploring Operation: 44+74=118, Resulting Numbers: [118] 118,60 unequal: No Solution Exploring Operation: 44*74=3256, Resulting Numbers: [3256] 3256,60 unequal: No Solution Exploring Operation: 74-44=30, Resulting Numbers: [30] 30,60 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 #0,0,0 Current State: 60:[91, 61], Operations: ['93-76=17', '44+17=61'] Exploring Operation: 91+61=152, Resulting Numbers: [152] 152,60 unequal: No Solution Exploring Operation: 91*61=5551, Resulting Numbers: [5551] 5551,60 unequal: No Solution Exploring Operation: 91-61=30, Resulting Numbers: [30] 30,60 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 60:[44, 93, 15], Operations: ['91-76=15'] Exploring Operation: 44+15=59, Resulting Numbers: [93, 59] Generated Node #0,1,0: 60:[93, 59] Operation: 44+15=59 Exploring Operation: 93-44=49, Resulting Numbers: [15, 49] Generated Node #0,1,1: 60:[15, 49] Operation: 93-44=49 Exploring Operation: 93-15=78, Resulting Numbers: [44, 78] Generated Node #0,1,2: 60:[44, 78] Operation: 93-15=78 Moving to Node #0,1,1 Current State: 60:[15, 49], Operations: ['91-76=15', '93-44=49'] Exploring Operation: 15*49=735, Resulting Numbers: [735] 735,60 unequal: No Solution Exploring Operation: 49-15=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 15+49=64, Resulting Numbers: [64] 64,60 unequal: No Solution Moving to Node #0,1,2 Current State: 60:[44, 78], Operations: ['91-76=15', '93-15=78'] Exploring Operation: 78-44=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 44+78=122, Resulting Numbers: [122] 122,60 unequal: No Solution Exploring Operation: 44*78=3432, Resulting Numbers: [3432] 3432,60 unequal: No Solution Moving to Node #0,1,0 Current State: 60:[93, 59], Operations: ['91-76=15', '44+15=59'] Exploring Operation: 93-59=34, Resulting Numbers: [34] 34,60 unequal: No Solution Exploring Operation: 93*59=5487, Resulting Numbers: [5487] 5487,60 unequal: No Solution Exploring Operation: 93+59=152, Resulting Numbers: [152] 152,60 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 48, 51, 44, 93 ]
47
[ "51+93=144", "144/48=3", "44+3=47" ]
Current State: 47:[48, 51, 44, 93], Operations: [] Exploring Operation: 51+93=144, Resulting Numbers: [48, 44, 144] Generated Node #2: [48, 44, 144] from Operation: 51+93=144 Current State: 47:[48, 44, 144], Operations: ['51+93=144'] Exploring Operation: 144/48=3, Resulting Numbers: [44, 3] Generated Node #3: [44, 3] from Operation: 144/48=3 Current State: 47:[44, 3], Operations: ['51+93=144', '144/48=3'] Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[48, 51, 44, 93], Operations: [] Exploring Operation: 93-48=45, Resulting Numbers: [51, 44, 45] Generated Node #0,0: 47:[51, 44, 45] Operation: 93-48=45 Exploring Operation: 93-44=49, Resulting Numbers: [48, 51, 49] Generated Node #0,1: 47:[48, 51, 49] Operation: 93-44=49 Start Sub Search at level 1: Moving to Node #0,1 Current State: 47:[48, 51, 49], Operations: ['93-44=49'] Exploring Operation: 51-48=3, Resulting Numbers: [49, 3] Generated Node #0,1,0: 47:[49, 3] Operation: 51-48=3 Exploring Operation: 51-49=2, Resulting Numbers: [48, 2] Generated Node #0,1,1: 47:[48, 2] Operation: 51-49=2 Moving to Node #0,1,0 Current State: 47:[49, 3], Operations: ['93-44=49', '51-48=3'] Exploring Operation: 49+3=52, Resulting Numbers: [52] 52,47 unequal: No Solution Exploring Operation: 49-3=46, Resulting Numbers: [46] 46,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[48, 2], Operations: ['93-44=49', '51-49=2'] Exploring Operation: 48+2=50, Resulting Numbers: [50] 50,47 unequal: No Solution Exploring Operation: 48-2=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 #0,0 Current State: 47:[51, 44, 45], Operations: ['93-48=45'] Exploring Operation: 51-44=7, Resulting Numbers: [45, 7] Generated Node #0,0,0: 47:[45, 7] Operation: 51-44=7 Exploring Operation: 51-45=6, Resulting Numbers: [44, 6] Generated Node #0,0,1: 47:[44, 6] Operation: 51-45=6 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[45, 7], Operations: ['93-48=45', '51-44=7'] Exploring Operation: 45-7=38, Resulting Numbers: [38] 38,47 unequal: No Solution Exploring Operation: 45+7=52, Resulting Numbers: [52] 52,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 47:[44, 6], Operations: ['93-48=45', '51-45=6'] Exploring Operation: 44+6=50, Resulting Numbers: [50] 50,47 unequal: No Solution Exploring Operation: 44-6=38, Resulting Numbers: [38] 38,47 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_2
sum_heuristic
[ 64, 46, 29, 35 ]
24
[ "64-46=18", "35-29=6", "18+6=24" ]
Current State: 24:[64, 46, 29, 35], Operations: [] Exploring Operation: 64-46=18, Resulting Numbers: [29, 35, 18] Generated Node #2: [29, 35, 18] from Operation: 64-46=18 Current State: 24:[29, 35, 18], Operations: ['64-46=18'] Exploring Operation: 35-29=6, Resulting Numbers: [18, 6] Generated Node #3: [18, 6] from Operation: 35-29=6 Current State: 24:[18, 6], Operations: ['64-46=18', '35-29=6'] Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[64, 46, 29, 35], Operations: [] Exploring Operation: 46-35=11, Resulting Numbers: [64, 29, 11] Generated Node #0,0: 24:[64, 29, 11] Operation: 46-35=11 Exploring Operation: 64-35=29, Resulting Numbers: [46, 29, 29] Generated Node #0,1: 24:[46, 29, 29] Operation: 64-35=29 Exploring Operation: 64-29=35, Resulting Numbers: [46, 35, 35] Generated Node #0,2: 24:[46, 35, 35] Operation: 64-29=35 Exploring Operation: 64-46=18, Resulting Numbers: [29, 35, 18] Generated Node #0,3: 24:[29, 35, 18] Operation: 64-46=18 Exploring Operation: 46-29=17, Resulting Numbers: [64, 35, 17] Generated Node #0,4: 24:[64, 35, 17] Operation: 46-29=17 Moving to Node #0,3 Current State: 24:[29, 35, 18], Operations: ['64-46=18'] Exploring Operation: 35-29=6, Resulting Numbers: [18, 6] Generated Node #0,3,0: 24:[18, 6] Operation: 35-29=6 Exploring Operation: 29+18=47, Resulting Numbers: [35, 47] Generated Node #0,3,1: 24:[35, 47] Operation: 29+18=47 Exploring Operation: 35+18=53, Resulting Numbers: [29, 53] Generated Node #0,3,2: 24:[29, 53] Operation: 35+18=53 Exploring Operation: 29-18=11, Resulting Numbers: [35, 11] Generated Node #0,3,3: 24:[35, 11] Operation: 29-18=11 Exploring Operation: 35-18=17, Resulting Numbers: [29, 17] Generated Node #0,3,4: 24:[29, 17] Operation: 35-18=17 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 24:[18, 6], Operations: ['64-46=18', '35-29=6'] Exploring Operation: 18*6=108, Resulting Numbers: [108] 108,24 unequal: No Solution Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[64, 46, 29, 35], Operations: [] Exploring Operation: 64-46=18, Resulting Numbers: [29, 35, 18] Generated Node #0,3: 24:[29, 35, 18] Operation: 64-46=18 Moving to Node #0,3 Current State: 24:[29, 35, 18], Operations: ['64-46=18'] Exploring Operation: 35-29=6, Resulting Numbers: [18, 6] Generated Node #0,3,0: 24:[18, 6] Operation: 35-29=6 Moving to Node #0,3,0 Current State: 24:[18, 6], Operations: ['64-46=18', '35-29=6'] Exploring Operation: 18+6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 37, 68, 41, 89 ]
25
[ "37+68=105", "41+89=130", "130-105=25" ]
Current State: 25:[37, 68, 41, 89], Operations: [] Exploring Operation: 37+68=105, Resulting Numbers: [41, 89, 105] Generated Node #2: [41, 89, 105] from Operation: 37+68=105 Current State: 25:[41, 89, 105], Operations: ['37+68=105'] Exploring Operation: 41+89=130, Resulting Numbers: [105, 130] Generated Node #3: [105, 130] from Operation: 41+89=130 Current State: 25:[105, 130], Operations: ['37+68=105', '41+89=130'] Exploring Operation: 130-105=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[37, 68, 41, 89], Operations: [] Exploring Operation: 89-41=48, Resulting Numbers: [37, 68, 48] Generated Node #0,0: 25:[37, 68, 48] Operation: 89-41=48 Exploring Operation: 89-68=21, Resulting Numbers: [37, 41, 21] Generated Node #0,1: 25:[37, 41, 21] Operation: 89-68=21 Exploring Operation: 68-41=27, Resulting Numbers: [37, 89, 27] Generated Node #0,2: 25:[37, 89, 27] Operation: 68-41=27 Exploring Operation: 68-37=31, Resulting Numbers: [41, 89, 31] Generated Node #0,3: 25:[41, 89, 31] Operation: 68-37=31 Moving to Node #0,1 Current State: 25:[37, 41, 21], Operations: ['89-68=21'] Exploring Operation: 37-21=16, Resulting Numbers: [41, 16] Generated Node #0,1,0: 25:[41, 16] Operation: 37-21=16 Exploring Operation: 41-21=20, Resulting Numbers: [37, 20] Generated Node #0,1,1: 25:[37, 20] Operation: 41-21=20 Exploring Operation: 41-37=4, Resulting Numbers: [21, 4] Generated Node #0,1,2: 25:[21, 4] Operation: 41-37=4 Exploring Operation: 37+21=58, Resulting Numbers: [41, 58] Generated Node #0,1,3: 25:[41, 58] Operation: 37+21=58 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 25:[21, 4], Operations: ['89-68=21', '41-37=4'] Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,25 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[37, 68, 41, 89], Operations: [] Exploring Operation: 89-68=21, Resulting Numbers: [37, 41, 21] Generated Node #0,1: 25:[37, 41, 21] Operation: 89-68=21 Moving to Node #0,1 Current State: 25:[37, 41, 21], Operations: ['89-68=21'] Exploring Operation: 41-37=4, Resulting Numbers: [21, 4] Generated Node #0,1,2: 25:[21, 4] Operation: 41-37=4 Moving to Node #0,1,2 Current State: 25:[21, 4], Operations: ['89-68=21', '41-37=4'] Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 23, 24, 18, 30 ]
20
[ "24+30=54", "54/18=3", "23-3=20" ]
Current State: 20:[23, 24, 18, 30], Operations: [] Exploring Operation: 24+30=54, Resulting Numbers: [23, 18, 54] Generated Node #2: [23, 18, 54] from Operation: 24+30=54 Current State: 20:[23, 18, 54], Operations: ['24+30=54'] Exploring Operation: 54/18=3, Resulting Numbers: [23, 3] Generated Node #3: [23, 3] from Operation: 54/18=3 Current State: 20:[23, 3], Operations: ['24+30=54', '54/18=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[23, 24, 18, 30], Operations: [] Exploring Operation: 30-24=6, Resulting Numbers: [23, 18, 6] Generated Node #0,0: 20:[23, 18, 6] Operation: 30-24=6 Exploring Operation: 30-18=12, Resulting Numbers: [23, 24, 12] Generated Node #0,1: 20:[23, 24, 12] Operation: 30-18=12 Exploring Operation: 30-23=7, Resulting Numbers: [24, 18, 7] Generated Node #0,2: 20:[24, 18, 7] Operation: 30-23=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[23, 18, 6], Operations: ['30-24=6'] Exploring Operation: 23-6=17, Resulting Numbers: [18, 17] Generated Node #0,0,0: 20:[18, 17] Operation: 23-6=17 Exploring Operation: 18/6=3, Resulting Numbers: [23, 3] Generated Node #0,0,1: 20:[23, 3] Operation: 18/6=3 Exploring Operation: 23-18=5, Resulting Numbers: [6, 5] Generated Node #0,0,2: 20:[6, 5] Operation: 23-18=5 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 20:[6, 5], Operations: ['30-24=6', '23-18=5'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,20 unequal: No Solution Exploring Operation: 6*5=30, Resulting Numbers: [30] 30,20 unequal: No Solution Exploring Operation: 6+5=11, Resulting Numbers: [11] 11,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 20:[23, 3], Operations: ['30-24=6', '18/6=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Moving to Node #0 Current State: 20:[23, 24, 18, 30], Operations: [] Exploring Operation: 30-24=6, Resulting Numbers: [23, 18, 6] Generated Node #0,0: 20:[23, 18, 6] Operation: 30-24=6 Moving to Node #0,0 Current State: 20:[23, 18, 6], Operations: ['30-24=6'] Exploring Operation: 18/6=3, Resulting Numbers: [23, 3] Generated Node #0,0,1: 20:[23, 3] Operation: 18/6=3 Moving to Node #0,0,1 Current State: 20:[23, 3], Operations: ['30-24=6', '18/6=3'] Exploring Operation: 23-3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 13, 32, 1, 80 ]
62
[ "32-13=19", "1+80=81", "81-19=62" ]
Current State: 62:[13, 32, 1, 80], Operations: [] Exploring Operation: 32-13=19, Resulting Numbers: [1, 80, 19] Generated Node #2: [1, 80, 19] from Operation: 32-13=19 Current State: 62:[1, 80, 19], Operations: ['32-13=19'] Exploring Operation: 1+80=81, Resulting Numbers: [19, 81] Generated Node #3: [19, 81] from Operation: 1+80=81 Current State: 62:[19, 81], Operations: ['32-13=19', '1+80=81'] Exploring Operation: 81-19=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[13, 32, 1, 80], Operations: [] Exploring Operation: 80-32=48, Resulting Numbers: [13, 1, 48] Generated Node #0,0: 62:[13, 1, 48] Operation: 80-32=48 Exploring Operation: 80-13=67, Resulting Numbers: [32, 1, 67] Generated Node #0,1: 62:[32, 1, 67] Operation: 80-13=67 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[32, 1, 67], Operations: ['80-13=67'] Exploring Operation: 67-32=35, Resulting Numbers: [1, 35] Generated Node #0,1,0: 62:[1, 35] Operation: 67-32=35 Exploring Operation: 32-1=31, Resulting Numbers: [67, 31] Generated Node #0,1,1: 62:[67, 31] Operation: 32-1=31 Moving to Node #0,1,0 Current State: 62:[1, 35], Operations: ['80-13=67', '67-32=35'] Exploring Operation: 1*35=35, Resulting Numbers: [35] 35,62 unequal: No Solution Exploring Operation: 35-1=34, Resulting Numbers: [34] 34,62 unequal: No Solution Moving to Node #0,1,1 Current State: 62:[67, 31], Operations: ['80-13=67', '32-1=31'] Exploring Operation: 67+31=98, Resulting Numbers: [98] 98,62 unequal: No Solution Exploring Operation: 67-31=36, Resulting Numbers: [36] 36,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 62:[13, 1, 48], Operations: ['80-32=48'] Exploring Operation: 48-13=35, Resulting Numbers: [1, 35] Generated Node #0,0,0: 62:[1, 35] Operation: 48-13=35 Exploring Operation: 13+48=61, Resulting Numbers: [1, 61] Generated Node #0,0,1: 62:[1, 61] Operation: 13+48=61 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 62:[1, 61], Operations: ['80-32=48', '13+48=61'] Exploring Operation: 1*61=61, Resulting Numbers: [61] 61,62 unequal: No Solution Exploring Operation: 1+61=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[13, 32, 1, 80], Operations: [] Exploring Operation: 80-32=48, Resulting Numbers: [13, 1, 48] Generated Node #0,0: 62:[13, 1, 48] Operation: 80-32=48 Moving to Node #0,0 Current State: 62:[13, 1, 48], Operations: ['80-32=48'] Exploring Operation: 13+48=61, Resulting Numbers: [1, 61] Generated Node #0,0,1: 62:[1, 61] Operation: 13+48=61 Moving to Node #0,0,1 Current State: 62:[1, 61], Operations: ['80-32=48', '13+48=61'] Exploring Operation: 1+61=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 6, 79, 47, 56 ]
82
[ "79-6=73", "56-47=9", "73+9=82" ]
Current State: 82:[6, 79, 47, 56], Operations: [] Exploring Operation: 79-6=73, Resulting Numbers: [47, 56, 73] Generated Node #2: [47, 56, 73] from Operation: 79-6=73 Current State: 82:[47, 56, 73], Operations: ['79-6=73'] Exploring Operation: 56-47=9, Resulting Numbers: [73, 9] Generated Node #3: [73, 9] from Operation: 56-47=9 Current State: 82:[73, 9], Operations: ['79-6=73', '56-47=9'] Exploring Operation: 73+9=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[6, 79, 47, 56], Operations: [] Exploring Operation: 47-6=41, Resulting Numbers: [79, 56, 41] Generated Node #0,0: 82:[79, 56, 41] Operation: 47-6=41 Exploring Operation: 56-47=9, Resulting Numbers: [6, 79, 9] Generated Node #0,1: 82:[6, 79, 9] Operation: 56-47=9 Moving to Node #0,1 Current State: 82:[6, 79, 9], Operations: ['56-47=9'] Exploring Operation: 9-6=3, Resulting Numbers: [79, 3] Generated Node #0,1,0: 82:[79, 3] Operation: 9-6=3 Exploring Operation: 6+79=85, Resulting Numbers: [9, 85] Generated Node #0,1,1: 82:[9, 85] Operation: 6+79=85 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 82:[79, 3], Operations: ['56-47=9', '9-6=3'] Exploring Operation: 79-3=76, Resulting Numbers: [76] 76,82 unequal: No Solution Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Moving to Node #0 Current State: 82:[6, 79, 47, 56], Operations: [] Exploring Operation: 56-47=9, Resulting Numbers: [6, 79, 9] Generated Node #0,1: 82:[6, 79, 9] Operation: 56-47=9 Moving to Node #0,1 Current State: 82:[6, 79, 9], Operations: ['56-47=9'] Exploring Operation: 9-6=3, Resulting Numbers: [79, 3] Generated Node #0,1,0: 82:[79, 3] Operation: 9-6=3 Moving to Node #0,1,0 Current State: 82:[79, 3], Operations: ['56-47=9', '9-6=3'] Exploring Operation: 79+3=82, Resulting Numbers: [82] 82,82 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 83, 88, 28, 7 ]
16
[ "88-83=5", "28-7=21", "21-5=16" ]
Current State: 16:[83, 88, 28, 7], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [28, 7, 5] Generated Node #2: [28, 7, 5] from Operation: 88-83=5 Current State: 16:[28, 7, 5], Operations: ['88-83=5'] Exploring Operation: 28-7=21, Resulting Numbers: [5, 21] Generated Node #3: [5, 21] from Operation: 28-7=21 Current State: 16:[5, 21], Operations: ['88-83=5', '28-7=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[83, 88, 28, 7], Operations: [] Exploring Operation: 83-28=55, Resulting Numbers: [88, 7, 55] Generated Node #0,0: 16:[88, 7, 55] Operation: 83-28=55 Exploring Operation: 88-28=60, Resulting Numbers: [83, 7, 60] Generated Node #0,1: 16:[83, 7, 60] Operation: 88-28=60 Exploring Operation: 88-83=5, Resulting Numbers: [28, 7, 5] Generated Node #0,2: 16:[28, 7, 5] Operation: 88-83=5 Start Sub Search at level 1: Moving to Node #0,2 Current State: 16:[28, 7, 5], Operations: ['88-83=5'] Exploring Operation: 28/7=4, Resulting Numbers: [5, 4] Generated Node #0,2,0: 16:[5, 4] Operation: 28/7=4 Exploring Operation: 28-7=21, Resulting Numbers: [5, 21] Generated Node #0,2,1: 16:[5, 21] Operation: 28-7=21 Exploring Operation: 28-5=23, Resulting Numbers: [7, 23] Generated Node #0,2,2: 16:[7, 23] Operation: 28-5=23 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 16:[5, 4], Operations: ['88-83=5', '28/7=4'] Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,16 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,16 unequal: No Solution Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,16 unequal: No Solution No 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: 16:[5, 21], Operations: ['88-83=5', '28-7=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[83, 88, 28, 7], Operations: [] Exploring Operation: 88-83=5, Resulting Numbers: [28, 7, 5] Generated Node #0,2: 16:[28, 7, 5] Operation: 88-83=5 Moving to Node #0,2 Current State: 16:[28, 7, 5], Operations: ['88-83=5'] Exploring Operation: 28-7=21, Resulting Numbers: [5, 21] Generated Node #0,2,1: 16:[5, 21] Operation: 28-7=21 Moving to Node #0,2,1 Current State: 16:[5, 21], Operations: ['88-83=5', '28-7=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 72, 79, 18, 43 ]
54
[ "79-72=7", "18+43=61", "61-7=54" ]
Current State: 54:[72, 79, 18, 43], Operations: [] Exploring Operation: 79-72=7, Resulting Numbers: [18, 43, 7] Generated Node #2: [18, 43, 7] from Operation: 79-72=7 Current State: 54:[18, 43, 7], Operations: ['79-72=7'] Exploring Operation: 18+43=61, Resulting Numbers: [7, 61] Generated Node #3: [7, 61] from Operation: 18+43=61 Current State: 54:[7, 61], Operations: ['79-72=7', '18+43=61'] Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[72, 79, 18, 43], Operations: [] Exploring Operation: 72-43=29, Resulting Numbers: [79, 18, 29] Generated Node #0,0: 54:[79, 18, 29] Operation: 72-43=29 Exploring Operation: 79-43=36, Resulting Numbers: [72, 18, 36] Generated Node #0,1: 54:[72, 18, 36] Operation: 79-43=36 Exploring Operation: 79-72=7, Resulting Numbers: [18, 43, 7] Generated Node #0,2: 54:[18, 43, 7] Operation: 79-72=7 Start Sub Search at level 1: Moving to Node #0,2 Current State: 54:[18, 43, 7], Operations: ['79-72=7'] Exploring Operation: 18+43=61, Resulting Numbers: [7, 61] Generated Node #0,2,0: 54:[7, 61] Operation: 18+43=61 Exploring Operation: 43+7=50, Resulting Numbers: [18, 50] Generated Node #0,2,1: 54:[18, 50] Operation: 43+7=50 Exploring Operation: 43-18=25, Resulting Numbers: [7, 25] Generated Node #0,2,2: 54:[7, 25] Operation: 43-18=25 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 54:[7, 25], Operations: ['79-72=7', '43-18=25'] Exploring Operation: 7+25=32, Resulting Numbers: [32] 32,54 unequal: No Solution Exploring Operation: 25-7=18, Resulting Numbers: [18] 18,54 unequal: No Solution Exploring Operation: 7*25=175, Resulting Numbers: [175] 175,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 54:[18, 50], Operations: ['79-72=7', '43+7=50'] Exploring Operation: 18+50=68, Resulting Numbers: [68] 68,54 unequal: No Solution Exploring Operation: 50-18=32, Resulting Numbers: [32] 32,54 unequal: No Solution Exploring Operation: 18*50=900, Resulting Numbers: [900] 900,54 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 54:[7, 61], Operations: ['79-72=7', '18+43=61'] Exploring Operation: 7+61=68, Resulting Numbers: [68] 68,54 unequal: No Solution Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[72, 79, 18, 43], Operations: [] Exploring Operation: 79-72=7, Resulting Numbers: [18, 43, 7] Generated Node #0,2: 54:[18, 43, 7] Operation: 79-72=7 Moving to Node #0,2 Current State: 54:[18, 43, 7], Operations: ['79-72=7'] Exploring Operation: 18+43=61, Resulting Numbers: [7, 61] Generated Node #0,2,0: 54:[7, 61] Operation: 18+43=61 Moving to Node #0,2,0 Current State: 54:[7, 61], Operations: ['79-72=7', '18+43=61'] Exploring Operation: 61-7=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_3
mult_heuristic
[ 72, 45, 2, 31 ]
80
[ "45+31=76", "2*76=152", "152-72=80" ]
Current State: 80:[72, 45, 2, 31], Operations: [] Exploring Operation: 45+31=76, Resulting Numbers: [72, 2, 76] Generated Node #2: [72, 2, 76] from Operation: 45+31=76 Current State: 80:[72, 2, 76], Operations: ['45+31=76'] Exploring Operation: 2*76=152, Resulting Numbers: [72, 152] Generated Node #3: [72, 152] from Operation: 2*76=152 Current State: 80:[72, 152], Operations: ['45+31=76', '2*76=152'] Exploring Operation: 152-72=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[72, 45, 2, 31], Operations: [] Exploring Operation: 72-31=41, Resulting Numbers: [45, 2, 41] Generated Node #0,0: 80:[45, 2, 41] Operation: 72-31=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[45, 2, 41], Operations: ['72-31=41'] Exploring Operation: 45-41=4, Resulting Numbers: [2, 4] Generated Node #0,0,0: 80:[2, 4] Operation: 45-41=4 Moving to Node #0,0,0 Current State: 80:[2, 4], Operations: ['72-31=41', '45-41=4'] Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 81, 84, 21, 12 ]
95
[ "81+21=102", "84/12=7", "102-7=95" ]
Current State: 95:[81, 84, 21, 12], Operations: [] Exploring Operation: 81+21=102, Resulting Numbers: [84, 12, 102] Generated Node #2: [84, 12, 102] from Operation: 81+21=102 Current State: 95:[84, 12, 102], Operations: ['81+21=102'] Exploring Operation: 84/12=7, Resulting Numbers: [102, 7] Generated Node #3: [102, 7] from Operation: 84/12=7 Current State: 95:[102, 7], Operations: ['81+21=102', '84/12=7'] Exploring Operation: 102-7=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[81, 84, 21, 12], Operations: [] Exploring Operation: 84-81=3, Resulting Numbers: [21, 12, 3] Generated Node #0,0: 95:[21, 12, 3] Operation: 84-81=3 Exploring Operation: 84+12=96, Resulting Numbers: [81, 21, 96] Generated Node #0,1: 95:[81, 21, 96] Operation: 84+12=96 Exploring Operation: 84/12=7, Resulting Numbers: [81, 21, 7] Generated Node #0,2: 95:[81, 21, 7] Operation: 84/12=7 Exploring Operation: 81+12=93, Resulting Numbers: [84, 21, 93] Generated Node #0,3: 95:[84, 21, 93] Operation: 81+12=93 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[21, 12, 3], Operations: ['84-81=3'] Exploring Operation: 12+3=15, Resulting Numbers: [21, 15] Generated Node #0,0,0: 95:[21, 15] Operation: 12+3=15 Exploring Operation: 21-12=9, Resulting Numbers: [3, 9] Generated Node #0,0,1: 95:[3, 9] Operation: 21-12=9 Exploring Operation: 12/3=4, Resulting Numbers: [21, 4] Generated Node #0,0,2: 95:[21, 4] Operation: 12/3=4 Exploring Operation: 12-3=9, Resulting Numbers: [21, 9] Generated Node #0,0,3: 95:[21, 9] Operation: 12-3=9 Moving to Node #0,0,2 Current State: 95:[21, 4], Operations: ['84-81=3', '12/3=4'] Exploring Operation: 21*4=84, Resulting Numbers: [84] 84,95 unequal: No Solution Exploring Operation: 21+4=25, Resulting Numbers: [25] 25,95 unequal: No Solution Exploring Operation: 21-4=17, Resulting Numbers: [17] 17,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[3, 9], Operations: ['84-81=3', '21-12=9'] Exploring Operation: 3+9=12, Resulting Numbers: [12] 12,95 unequal: No Solution Exploring Operation: 3*9=27, Resulting Numbers: [27] 27,95 unequal: No Solution Exploring Operation: 9-3=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 9/3=3, Resulting Numbers: [3] 3,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[21, 15], Operations: ['84-81=3', '12+3=15'] Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 21*15=315, Resulting Numbers: [315] 315,95 unequal: No Solution Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,95 unequal: No Solution Moving to Node #0,0,3 Current State: 95:[21, 9], Operations: ['84-81=3', '12-3=9'] Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,95 unequal: No Solution Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,95 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,95 unequal: No Solution No 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: 95:[84, 21, 93], Operations: ['81+12=93'] Exploring Operation: 93-84=9, Resulting Numbers: [21, 9] Generated Node #0,3,0: 95:[21, 9] Operation: 93-84=9 Exploring Operation: 84+21=105, Resulting Numbers: [93, 105] Generated Node #0,3,1: 95:[93, 105] Operation: 84+21=105 Exploring Operation: 84/21=4, Resulting Numbers: [93, 4] Generated Node #0,3,2: 95:[93, 4] Operation: 84/21=4 Exploring Operation: 21+93=114, Resulting Numbers: [84, 114] Generated Node #0,3,3: 95:[84, 114] Operation: 21+93=114 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 95:[93, 4], Operations: ['81+12=93', '84/21=4'] Exploring Operation: 93*4=372, Resulting Numbers: [372] 372,95 unequal: No Solution Exploring Operation: 93+4=97, Resulting Numbers: [97] 97,95 unequal: No Solution Exploring Operation: 93-4=89, Resulting Numbers: [89] 89,95 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 #0,3,0 Current State: 95:[21, 9], Operations: ['81+12=93', '93-84=9'] Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,95 unequal: No Solution Exploring Operation: 21*9=189, Resulting Numbers: [189] 189,95 unequal: No Solution Exploring Operation: 21+9=30, Resulting Numbers: [30] 30,95 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 #0,3,1 Current State: 95:[93, 105], Operations: ['81+12=93', '84+21=105'] Exploring Operation: 93+105=198, Resulting Numbers: [198] 198,95 unequal: No Solution Exploring Operation: 105-93=12, Resulting Numbers: [12] 12,95 unequal: No Solution Exploring Operation: 93*105=9765, Resulting Numbers: [9765] 9765,95 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 #0,3,3 Current State: 95:[84, 114], Operations: ['81+12=93', '21+93=114'] Exploring Operation: 114-84=30, Resulting Numbers: [30] 30,95 unequal: No Solution Exploring Operation: 84*114=9576, Resulting Numbers: [9576] 9576,95 unequal: No Solution Exploring Operation: 84+114=198, Resulting Numbers: [198] 198,95 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 #0,1 Current State: 95:[81, 21, 96], Operations: ['84+12=96'] Exploring Operation: 96-21=75, Resulting Numbers: [81, 75] Generated Node #0,1,0: 95:[81, 75] Operation: 96-21=75 Exploring Operation: 81+21=102, Resulting Numbers: [96, 102] Generated Node #0,1,1: 95:[96, 102] Operation: 81+21=102 Exploring Operation: 81-21=60, Resulting Numbers: [96, 60] Generated Node #0,1,2: 95:[96, 60] Operation: 81-21=60 Exploring Operation: 96-81=15, Resulting Numbers: [21, 15] Generated Node #0,1,3: 95:[21, 15] Operation: 96-81=15 Moving to Node #0,1,3 Current State: 95:[21, 15], Operations: ['84+12=96', '96-81=15'] Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,95 unequal: No Solution Exploring Operation: 21*15=315, Resulting Numbers: [315] 315,95 unequal: No Solution Moving to Node #0,1,1 Current State: 95:[96, 102], Operations: ['84+12=96', '81+21=102'] Exploring Operation: 102-96=6, Resulting Numbers: [6] 6,95 unequal: No Solution Exploring Operation: 96*102=9792, Resulting Numbers: [9792] 9792,95 unequal: No Solution Exploring Operation: 96+102=198, Resulting Numbers: [198] 198,95 unequal: No Solution Moving to Node #0,1,0 Current State: 95:[81, 75], Operations: ['84+12=96', '96-21=75'] Exploring Operation: 81*75=6075, Resulting Numbers: [6075] 6075,95 unequal: No Solution Exploring Operation: 81+75=156, Resulting Numbers: [156] 156,95 unequal: No Solution Exploring Operation: 81-75=6, Resulting Numbers: [6] 6,95 unequal: No Solution Moving to Node #0,1,2 Current State: 95:[96, 60], Operations: ['84+12=96', '81-21=60'] Exploring Operation: 96+60=156, Resulting Numbers: [156] 156,95 unequal: No Solution Exploring Operation: 96*60=5760, Resulting Numbers: [5760] 5760,95 unequal: No Solution Exploring Operation: 96-60=36, Resulting Numbers: [36] 36,95 unequal: No Solution No 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:[81, 21, 7], Operations: ['84/12=7'] Exploring Operation: 21/7=3, Resulting Numbers: [81, 3] Generated Node #0,2,0: 95:[81, 3] Operation: 21/7=3 Exploring Operation: 81+7=88, Resulting Numbers: [21, 88] Generated Node #0,2,1: 95:[21, 88] Operation: 81+7=88 Exploring Operation: 81+21=102, Resulting Numbers: [7, 102] Generated Node #0,2,2: 95:[7, 102] Operation: 81+21=102 Exploring Operation: 21-7=14, Resulting Numbers: [81, 14] Generated Node #0,2,3: 95:[81, 14] Operation: 21-7=14 Moving to Node #0,2,1 Current State: 95:[21, 88], Operations: ['84/12=7', '81+7=88'] Exploring Operation: 21+88=109, Resulting Numbers: [109] 109,95 unequal: No Solution Exploring Operation: 88-21=67, Resulting Numbers: [67] 67,95 unequal: No Solution Exploring Operation: 21*88=1848, Resulting Numbers: [1848] 1848,95 unequal: No Solution Moving to Node #0,2,2 Current State: 95:[7, 102], Operations: ['84/12=7', '81+21=102'] Exploring Operation: 7*102=714, Resulting Numbers: [714] 714,95 unequal: No Solution Exploring Operation: 102-7=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[81, 84, 21, 12], Operations: [] Exploring Operation: 84/12=7, Resulting Numbers: [81, 21, 7] Generated Node #0,2: 95:[81, 21, 7] Operation: 84/12=7 Moving to Node #0,2 Current State: 95:[81, 21, 7], Operations: ['84/12=7'] Exploring Operation: 81+21=102, Resulting Numbers: [7, 102] Generated Node #0,2,2: 95:[7, 102] Operation: 81+21=102 Moving to Node #0,2,2 Current State: 95:[7, 102], Operations: ['84/12=7', '81+21=102'] Exploring Operation: 102-7=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.942708
hs_4
mult_heuristic
[ 34, 80, 36, 60 ]
22
[ "80-34=46", "60-36=24", "46-24=22" ]
Current State: 22:[34, 80, 36, 60], Operations: [] Exploring Operation: 80-34=46, Resulting Numbers: [36, 60, 46] Generated Node #2: [36, 60, 46] from Operation: 80-34=46 Current State: 22:[36, 60, 46], Operations: ['80-34=46'] Exploring Operation: 60-36=24, Resulting Numbers: [46, 24] Generated Node #3: [46, 24] from Operation: 60-36=24 Current State: 22:[46, 24], Operations: ['80-34=46', '60-36=24'] Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[34, 80, 36, 60], Operations: [] Exploring Operation: 80-36=44, Resulting Numbers: [34, 60, 44] Generated Node #0,0: 22:[34, 60, 44] Operation: 80-36=44 Exploring Operation: 60-34=26, Resulting Numbers: [80, 36, 26] Generated Node #0,1: 22:[80, 36, 26] Operation: 60-34=26 Exploring Operation: 60-36=24, Resulting Numbers: [34, 80, 24] Generated Node #0,2: 22:[34, 80, 24] Operation: 60-36=24 Exploring Operation: 80-60=20, Resulting Numbers: [34, 36, 20] Generated Node #0,3: 22:[34, 36, 20] Operation: 80-60=20 Exploring Operation: 80-34=46, Resulting Numbers: [36, 60, 46] Generated Node #0,4: 22:[36, 60, 46] Operation: 80-34=46 Moving to Node #0,3 Current State: 22:[34, 36, 20], Operations: ['80-60=20'] Exploring Operation: 36+20=56, Resulting Numbers: [34, 56] Generated Node #0,3,0: 22:[34, 56] Operation: 36+20=56 Exploring Operation: 36-20=16, Resulting Numbers: [34, 16] Generated Node #0,3,1: 22:[34, 16] Operation: 36-20=16 Exploring Operation: 36-34=2, Resulting Numbers: [20, 2] Generated Node #0,3,2: 22:[20, 2] Operation: 36-34=2 Exploring Operation: 34-20=14, Resulting Numbers: [36, 14] Generated Node #0,3,3: 22:[36, 14] Operation: 34-20=14 Exploring Operation: 34+20=54, Resulting Numbers: [36, 54] Generated Node #0,3,4: 22:[36, 54] Operation: 34+20=54 Moving to Node #0,2 Current State: 22:[34, 80, 24], Operations: ['60-36=24'] Exploring Operation: 80-34=46, Resulting Numbers: [24, 46] Generated Node #0,2,0: 22:[24, 46] Operation: 80-34=46 Exploring Operation: 34+24=58, Resulting Numbers: [80, 58] Generated Node #0,2,1: 22:[80, 58] Operation: 34+24=58 Exploring Operation: 34-24=10, Resulting Numbers: [80, 10] Generated Node #0,2,2: 22:[80, 10] Operation: 34-24=10 Exploring Operation: 34+80=114, Resulting Numbers: [24, 114] Generated Node #0,2,3: 22:[24, 114] Operation: 34+80=114 Exploring Operation: 80-24=56, Resulting Numbers: [34, 56] Generated Node #0,2,4: 22:[34, 56] Operation: 80-24=56 Moving to Node #0,0 Current State: 22:[34, 60, 44], Operations: ['80-36=44'] Exploring Operation: 60-44=16, Resulting Numbers: [34, 16] Generated Node #0,0,0: 22:[34, 16] Operation: 60-44=16 Exploring Operation: 60-34=26, Resulting Numbers: [44, 26] Generated Node #0,0,1: 22:[44, 26] Operation: 60-34=26 Exploring Operation: 44-34=10, Resulting Numbers: [60, 10] Generated Node #0,0,2: 22:[60, 10] Operation: 44-34=10 Exploring Operation: 34+60=94, Resulting Numbers: [44, 94] Generated Node #0,0,3: 22:[44, 94] Operation: 34+60=94 Exploring Operation: 34+44=78, Resulting Numbers: [60, 78] Generated Node #0,0,4: 22:[60, 78] Operation: 34+44=78 Moving to Node #0,1 Current State: 22:[80, 36, 26], Operations: ['60-34=26'] Exploring Operation: 80+36=116, Resulting Numbers: [26, 116] Generated Node #0,1,0: 22:[26, 116] Operation: 80+36=116 Exploring Operation: 80-26=54, Resulting Numbers: [36, 54] Generated Node #0,1,1: 22:[36, 54] Operation: 80-26=54 Exploring Operation: 36-26=10, Resulting Numbers: [80, 10] Generated Node #0,1,2: 22:[80, 10] Operation: 36-26=10 Exploring Operation: 80-36=44, Resulting Numbers: [26, 44] Generated Node #0,1,3: 22:[26, 44] Operation: 80-36=44 Exploring Operation: 80+26=106, Resulting Numbers: [36, 106] Generated Node #0,1,4: 22:[36, 106] Operation: 80+26=106 Moving to Node #0,4 Current State: 22:[36, 60, 46], Operations: ['80-34=46'] Exploring Operation: 46-36=10, Resulting Numbers: [60, 10] Generated Node #0,4,0: 22:[60, 10] Operation: 46-36=10 Exploring Operation: 36+60=96, Resulting Numbers: [46, 96] Generated Node #0,4,1: 22:[46, 96] Operation: 36+60=96 Exploring Operation: 36+46=82, Resulting Numbers: [60, 82] Generated Node #0,4,2: 22:[60, 82] Operation: 36+46=82 Exploring Operation: 60-36=24, Resulting Numbers: [46, 24] Generated Node #0,4,3: 22:[46, 24] Operation: 60-36=24 Exploring Operation: 60-46=14, Resulting Numbers: [36, 14] Generated Node #0,4,4: 22:[36, 14] Operation: 60-46=14 Moving to Node #0,3,2 Current State: 22:[20, 2], Operations: ['80-60=20', '36-34=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[34, 80, 36, 60], Operations: [] Exploring Operation: 80-60=20, Resulting Numbers: [34, 36, 20] Generated Node #0,3: 22:[34, 36, 20] Operation: 80-60=20 Moving to Node #0,3 Current State: 22:[34, 36, 20], Operations: ['80-60=20'] Exploring Operation: 36-34=2, Resulting Numbers: [20, 2] Generated Node #0,3,2: 22:[20, 2] Operation: 36-34=2 Moving to Node #0,3,2 Current State: 22:[20, 2], Operations: ['80-60=20', '36-34=2'] Exploring Operation: 20+2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
0.969618
hs_5
sum_heuristic
[ 81, 36, 31, 34 ]
89
[ "36-31=5", "34*5=170", "170-81=89" ]
Current State: 89:[81, 36, 31, 34], Operations: [] Exploring Operation: 36-31=5, Resulting Numbers: [81, 34, 5] Generated Node #2: [81, 34, 5] from Operation: 36-31=5 Current State: 89:[81, 34, 5], Operations: ['36-31=5'] Exploring Operation: 34*5=170, Resulting Numbers: [81, 170] Generated Node #3: [81, 170] from Operation: 34*5=170 Current State: 89:[81, 170], Operations: ['36-31=5', '34*5=170'] Exploring Operation: 170-81=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[81, 36, 31, 34], Operations: [] Exploring Operation: 36+31=67, Resulting Numbers: [81, 34, 67] Generated Node #0,0: 89:[81, 34, 67] Operation: 36+31=67 Exploring Operation: 36+34=70, Resulting Numbers: [81, 31, 70] Generated Node #0,1: 89:[81, 31, 70] Operation: 36+34=70 Exploring Operation: 81+34=115, Resulting Numbers: [36, 31, 115] Generated Node #0,2: 89:[36, 31, 115] Operation: 81+34=115 Exploring Operation: 81+31=112, Resulting Numbers: [36, 34, 112] Generated Node #0,3: 89:[36, 34, 112] Operation: 81+31=112 Exploring Operation: 31+34=65, Resulting Numbers: [81, 36, 65] Generated Node #0,4: 89:[81, 36, 65] Operation: 31+34=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[81, 34, 67], Operations: ['36+31=67'] Exploring Operation: 81+34=115, Resulting Numbers: [67, 115] Generated Node #0,0,0: 89:[67, 115] Operation: 81+34=115 Exploring Operation: 34+67=101, Resulting Numbers: [81, 101] Generated Node #0,0,1: 89:[81, 101] Operation: 34+67=101 Exploring Operation: 67-34=33, Resulting Numbers: [81, 33] Generated Node #0,0,2: 89:[81, 33] Operation: 67-34=33 Exploring Operation: 81+67=148, Resulting Numbers: [34, 148] Generated Node #0,0,3: 89:[34, 148] Operation: 81+67=148 Exploring Operation: 81-34=47, Resulting Numbers: [67, 47] Generated Node #0,0,4: 89:[67, 47] Operation: 81-34=47 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 89:[81, 101], Operations: ['36+31=67', '34+67=101'] Exploring Operation: 81+101=182, Resulting Numbers: [182] 182,89 unequal: No Solution Exploring Operation: 101-81=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 81*101=8181, Resulting Numbers: [8181] 8181,89 unequal: No Solution No 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: 89:[67, 115], Operations: ['36+31=67', '81+34=115'] Exploring Operation: 67+115=182, Resulting Numbers: [182] 182,89 unequal: No Solution Exploring Operation: 67*115=7705, Resulting Numbers: [7705] 7705,89 unequal: No Solution Exploring Operation: 115-67=48, Resulting Numbers: [48] 48,89 unequal: No Solution No 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: 89:[81, 33], Operations: ['36+31=67', '67-34=33'] Exploring Operation: 81+33=114, Resulting Numbers: [114] 114,89 unequal: No Solution Exploring Operation: 81*33=2673, Resulting Numbers: [2673] 2673,89 unequal: No Solution Exploring Operation: 81-33=48, Resulting Numbers: [48] 48,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 89:[67, 47], Operations: ['36+31=67', '81-34=47'] Exploring Operation: 67*47=3149, Resulting Numbers: [3149] 3149,89 unequal: No Solution Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 67+47=114, Resulting Numbers: [114] 114,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 89:[34, 148], Operations: ['36+31=67', '81+67=148'] Exploring Operation: 34+148=182, Resulting Numbers: [182] 182,89 unequal: No Solution Exploring Operation: 148-34=114, Resulting Numbers: [114] 114,89 unequal: No Solution Exploring Operation: 34*148=5032, Resulting Numbers: [5032] 5032,89 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: 89:[81, 31, 70], Operations: ['36+34=70'] Exploring Operation: 70-31=39, Resulting Numbers: [81, 39] Generated Node #0,1,0: 89:[81, 39] Operation: 70-31=39 Exploring Operation: 81+31=112, Resulting Numbers: [70, 112] Generated Node #0,1,1: 89:[70, 112] Operation: 81+31=112 Exploring Operation: 31+70=101, Resulting Numbers: [81, 101] Generated Node #0,1,2: 89:[81, 101] Operation: 31+70=101 Exploring Operation: 81-31=50, Resulting Numbers: [70, 50] Generated Node #0,1,3: 89:[70, 50] Operation: 81-31=50 Exploring Operation: 81+70=151, Resulting Numbers: [31, 151] Generated Node #0,1,4: 89:[31, 151] Operation: 81+70=151 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 89:[81, 101], Operations: ['36+34=70', '31+70=101'] Exploring Operation: 81*101=8181, Resulting Numbers: [8181] 8181,89 unequal: No Solution Exploring Operation: 101-81=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 81+101=182, Resulting Numbers: [182] 182,89 unequal: No Solution No 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: 89:[70, 112], Operations: ['36+34=70', '81+31=112'] Exploring Operation: 70+112=182, Resulting Numbers: [182] 182,89 unequal: No Solution Exploring Operation: 112-70=42, Resulting Numbers: [42] 42,89 unequal: No Solution Exploring Operation: 70*112=7840, Resulting Numbers: [7840] 7840,89 unequal: No Solution No 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: 89:[81, 39], Operations: ['36+34=70', '70-31=39'] Exploring Operation: 81*39=3159, Resulting Numbers: [3159] 3159,89 unequal: No Solution Exploring Operation: 81+39=120, Resulting Numbers: [120] 120,89 unequal: No Solution Exploring Operation: 81-39=42, Resulting Numbers: [42] 42,89 unequal: No Solution No 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: 89:[70, 50], Operations: ['36+34=70', '81-31=50'] Exploring Operation: 70-50=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 70*50=3500, Resulting Numbers: [3500] 3500,89 unequal: No Solution Exploring Operation: 70+50=120, Resulting Numbers: [120] 120,89 unequal: No Solution No 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: 89:[31, 151], Operations: ['36+34=70', '81+70=151'] Exploring Operation: 31+151=182, Resulting Numbers: [182] 182,89 unequal: No Solution Exploring Operation: 151-31=120, Resulting Numbers: [120] 120,89 unequal: No Solution Exploring Operation: 31*151=4681, Resulting Numbers: [4681] 4681,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 89:[81, 36, 65], Operations: ['31+34=65'] Exploring Operation: 81+65=146, Resulting Numbers: [36, 146] Generated Node #0,4,0: 89:[36, 146] Operation: 81+65=146 Exploring Operation: 81-36=45, Resulting Numbers: [65, 45] Generated Node #0,4,1: 89:[65, 45] Operation: 81-36=45 Exploring Operation: 65-36=29, Resulting Numbers: [81, 29] Generated Node #0,4,2: 89:[81, 29] Operation: 65-36=29 Exploring Operation: 81+36=117, Resulting Numbers: [65, 117] Generated Node #0,4,3: 89:[65, 117] Operation: 81+36=117 Exploring Operation: 36+65=101, Resulting Numbers: [81, 101] Generated Node #0,4,4: 89:[81, 101] Operation: 36+65=101 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 89:[81, 101], Operations: ['31+34=65', '36+65=101'] Exploring Operation: 81*101=8181, Resulting Numbers: [8181] 8181,89 unequal: No Solution Exploring Operation: 81+101=182, Resulting Numbers: [182] 182,89 unequal: No Solution Exploring Operation: 101-81=20, Resulting Numbers: [20] 20,89 unequal: No Solution No 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: 89:[65, 117], Operations: ['31+34=65', '81+36=117'] Exploring Operation: 65*117=7605, Resulting Numbers: [7605] 7605,89 unequal: No Solution Exploring Operation: 65+117=182, Resulting Numbers: [182] 182,89 unequal: No Solution Exploring Operation: 117-65=52, Resulting Numbers: [52] 52,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 89:[65, 45], Operations: ['31+34=65', '81-36=45'] Exploring Operation: 65+45=110, Resulting Numbers: [110] 110,89 unequal: No Solution Exploring Operation: 65*45=2925, Resulting Numbers: [2925] 2925,89 unequal: No Solution Exploring Operation: 65-45=20, Resulting Numbers: [20] 20,89 unequal: No Solution No 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: 89:[81, 29], Operations: ['31+34=65', '65-36=29'] Exploring Operation: 81-29=52, Resulting Numbers: [52] 52,89 unequal: No Solution Exploring Operation: 81*29=2349, Resulting Numbers: [2349] 2349,89 unequal: No Solution Exploring Operation: 81+29=110, Resulting Numbers: [110] 110,89 unequal: No Solution No 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: 89:[36, 146], Operations: ['31+34=65', '81+65=146'] Exploring Operation: 36*146=5256, Resulting Numbers: [5256] 5256,89 unequal: No Solution Exploring Operation: 146-36=110, Resulting Numbers: [110] 110,89 unequal: No Solution Exploring Operation: 36+146=182, Resulting Numbers: [182] 182,89 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: 89:[36, 34, 112], Operations: ['81+31=112'] Exploring Operation: 112-34=78, Resulting Numbers: [36, 78] Generated Node #0,3,0: 89:[36, 78] Operation: 112-34=78 Exploring Operation: 112-36=76, Resulting Numbers: [34, 76] Generated Node #0,3,1: 89:[34, 76] Operation: 112-36=76 Exploring Operation: 34+112=146, Resulting Numbers: [36, 146] Generated Node #0,3,2: 89:[36, 146] Operation: 34+112=146 Exploring Operation: 36-34=2, Resulting Numbers: [112, 2] Generated Node #0,3,3: 89:[112, 2] Operation: 36-34=2 Exploring Operation: 36+34=70, Resulting Numbers: [112, 70] Generated Node #0,3,4: 89:[112, 70] Operation: 36+34=70 Moving to Node #0,3,4 Current State: 89:[112, 70], Operations: ['81+31=112', '36+34=70'] Exploring Operation: 112*70=7840, Resulting Numbers: [7840] 7840,89 unequal: No Solution Exploring Operation: 112+70=182, Resulting Numbers: [182] 182,89 unequal: No Solution Exploring Operation: 112-70=42, Resulting Numbers: [42] 42,89 unequal: No Solution Moving to Node #0,3,0 Current State: 89:[36, 78], Operations: ['81+31=112', '112-34=78'] Exploring Operation: 36*78=2808, Resulting Numbers: [2808] 2808,89 unequal: No Solution Exploring Operation: 78-36=42, Resulting Numbers: [42] 42,89 unequal: No Solution Exploring Operation: 36+78=114, Resulting Numbers: [114] 114,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[34, 76], Operations: ['81+31=112', '112-36=76'] Exploring Operation: 34*76=2584, Resulting Numbers: [2584] 2584,89 unequal: No Solution Exploring Operation: 76-34=42, Resulting Numbers: [42] 42,89 unequal: No Solution Exploring Operation: 34+76=110, Resulting Numbers: [110] 110,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[36, 146], Operations: ['81+31=112', '34+112=146'] Exploring Operation: 146-36=110, Resulting Numbers: [110] 110,89 unequal: No Solution Exploring Operation: 36*146=5256, Resulting Numbers: [5256] 5256,89 unequal: No Solution Exploring Operation: 36+146=182, Resulting Numbers: [182] 182,89 unequal: No Solution Moving to Node #0,3,3 Current State: 89:[112, 2], Operations: ['81+31=112', '36-34=2'] Exploring Operation: 112+2=114, Resulting Numbers: [114] 114,89 unequal: No Solution Exploring Operation: 112*2=224, Resulting Numbers: [224] 224,89 unequal: No Solution Exploring Operation: 112/2=56, Resulting Numbers: [56] 56,89 unequal: No Solution Exploring Operation: 112-2=110, Resulting Numbers: [110] 110,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[36, 31, 115], Operations: ['81+34=115'] Exploring Operation: 36-31=5, Resulting Numbers: [115, 5] Generated Node #0,2,0: 89:[115, 5] Operation: 36-31=5 Exploring Operation: 36+31=67, Resulting Numbers: [115, 67] Generated Node #0,2,1: 89:[115, 67] Operation: 36+31=67 Exploring Operation: 31+115=146, Resulting Numbers: [36, 146] Generated Node #0,2,2: 89:[36, 146] Operation: 31+115=146 Exploring Operation: 115-36=79, Resulting Numbers: [31, 79] Generated Node #0,2,3: 89:[31, 79] Operation: 115-36=79 Exploring Operation: 115-31=84, Resulting Numbers: [36, 84] Generated Node #0,2,4: 89:[36, 84] Operation: 115-31=84 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[115, 67], Operations: ['81+34=115', '36+31=67'] Exploring Operation: 115*67=7705, Resulting Numbers: [7705] 7705,89 unequal: No Solution Exploring Operation: 115+67=182, Resulting Numbers: [182] 182,89 unequal: No Solution Exploring Operation: 115-67=48, Resulting Numbers: [48] 48,89 unequal: No Solution No 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: 89:[36, 84], Operations: ['81+34=115', '115-31=84'] Exploring Operation: 84-36=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 36+84=120, Resulting Numbers: [120] 120,89 unequal: No Solution Exploring Operation: 36*84=3024, Resulting Numbers: [3024] 3024,89 unequal: No Solution No 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: 89:[31, 79], Operations: ['81+34=115', '115-36=79'] Exploring Operation: 31+79=110, Resulting Numbers: [110] 110,89 unequal: No Solution Exploring Operation: 31*79=2449, Resulting Numbers: [2449] 2449,89 unequal: No Solution Exploring Operation: 79-31=48, Resulting Numbers: [48] 48,89 unequal: No Solution No 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: 89:[115, 5], Operations: ['81+34=115', '36-31=5'] Exploring Operation: 115*5=575, Resulting Numbers: [575] 575,89 unequal: No Solution Exploring Operation: 115/5=23, Resulting Numbers: [23] 23,89 unequal: No Solution Exploring Operation: 115-5=110, Resulting Numbers: [110] 110,89 unequal: No Solution Exploring Operation: 115+5=120, Resulting Numbers: [120] 120,89 unequal: No Solution No 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: 89:[36, 146], Operations: ['81+34=115', '31+115=146'] Exploring Operation: 146-36=110, Resulting Numbers: [110] 110,89 unequal: No Solution Exploring Operation: 36+146=182, Resulting Numbers: [182] 182,89 unequal: No Solution Exploring Operation: 36*146=5256, Resulting Numbers: [5256] 5256,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 37, 7, 32, 5 ]
53
[ "7-5=2", "32/2=16", "37+16=53" ]
Current State: 53:[37, 7, 32, 5], Operations: [] Exploring Operation: 7-5=2, Resulting Numbers: [37, 32, 2] Generated Node #2: [37, 32, 2] from Operation: 7-5=2 Current State: 53:[37, 32, 2], Operations: ['7-5=2'] Exploring Operation: 32/2=16, Resulting Numbers: [37, 16] Generated Node #3: [37, 16] from Operation: 32/2=16 Current State: 53:[37, 16], Operations: ['7-5=2', '32/2=16'] Exploring Operation: 37+16=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[37, 7, 32, 5], Operations: [] Exploring Operation: 37+7=44, Resulting Numbers: [32, 5, 44] Generated Node #0,0: 53:[32, 5, 44] Operation: 37+7=44 Exploring Operation: 37+5=42, Resulting Numbers: [7, 32, 42] Generated Node #0,1: 53:[7, 32, 42] Operation: 37+5=42 Exploring Operation: 7*5=35, Resulting Numbers: [37, 32, 35] Generated Node #0,2: 53:[37, 32, 35] Operation: 7*5=35 Start Sub Search at level 1: Moving to Node #0,2 Current State: 53:[37, 32, 35], Operations: ['7*5=35'] Exploring Operation: 37+32=69, Resulting Numbers: [35, 69] Generated Node #0,2,0: 53:[35, 69] Operation: 37+32=69 Exploring Operation: 37+35=72, Resulting Numbers: [32, 72] Generated Node #0,2,1: 53:[32, 72] Operation: 37+35=72 Exploring Operation: 32+35=67, Resulting Numbers: [37, 67] Generated Node #0,2,2: 53:[37, 67] Operation: 32+35=67 Moving to Node #0,2,2 Current State: 53:[37, 67], Operations: ['7*5=35', '32+35=67'] Exploring Operation: 37+67=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 37*67=2479, Resulting Numbers: [2479] 2479,53 unequal: No Solution Exploring Operation: 67-37=30, Resulting Numbers: [30] 30,53 unequal: No Solution Moving to Node #0,2,0 Current State: 53:[35, 69], Operations: ['7*5=35', '37+32=69'] Exploring Operation: 35+69=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 35*69=2415, Resulting Numbers: [2415] 2415,53 unequal: No Solution Exploring Operation: 69-35=34, Resulting Numbers: [34] 34,53 unequal: No Solution Moving to Node #0,2,1 Current State: 53:[32, 72], Operations: ['7*5=35', '37+35=72'] Exploring Operation: 72-32=40, Resulting Numbers: [40] 40,53 unequal: No Solution Exploring Operation: 32+72=104, Resulting Numbers: [104] 104,53 unequal: No Solution Exploring Operation: 32*72=2304, Resulting Numbers: [2304] 2304,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 53:[32, 5, 44], Operations: ['37+7=44'] Exploring Operation: 32-5=27, Resulting Numbers: [44, 27] Generated Node #0,0,0: 53:[44, 27] Operation: 32-5=27 Exploring Operation: 32+5=37, Resulting Numbers: [44, 37] Generated Node #0,0,1: 53:[44, 37] Operation: 32+5=37 Exploring Operation: 5+44=49, Resulting Numbers: [32, 49] Generated Node #0,0,2: 53:[32, 49] Operation: 5+44=49 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 53:[44, 37], Operations: ['37+7=44', '32+5=37'] Exploring Operation: 44-37=7, Resulting Numbers: [7] 7,53 unequal: No Solution Exploring Operation: 44+37=81, Resulting Numbers: [81] 81,53 unequal: No Solution Exploring Operation: 44*37=1628, Resulting Numbers: [1628] 1628,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 53:[32, 49], Operations: ['37+7=44', '5+44=49'] Exploring Operation: 32*49=1568, Resulting Numbers: [1568] 1568,53 unequal: No Solution Exploring Operation: 32+49=81, Resulting Numbers: [81] 81,53 unequal: No Solution Exploring Operation: 49-32=17, Resulting Numbers: [17] 17,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 53:[44, 27], Operations: ['37+7=44', '32-5=27'] Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,53 unequal: No Solution Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,53 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 53:[7, 32, 42], Operations: ['37+5=42'] Exploring Operation: 32-7=25, Resulting Numbers: [42, 25] Generated Node #0,1,0: 53:[42, 25] Operation: 32-7=25 Exploring Operation: 7+42=49, Resulting Numbers: [32, 49] Generated Node #0,1,1: 53:[32, 49] Operation: 7+42=49 Exploring Operation: 7+32=39, Resulting Numbers: [42, 39] Generated Node #0,1,2: 53:[42, 39] Operation: 7+32=39 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 53:[32, 49], Operations: ['37+5=42', '7+42=49'] Exploring Operation: 32*49=1568, Resulting Numbers: [1568] 1568,53 unequal: No Solution Exploring Operation: 32+49=81, Resulting Numbers: [81] 81,53 unequal: No Solution Exploring Operation: 49-32=17, Resulting Numbers: [17] 17,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 53:[42, 39], Operations: ['37+5=42', '7+32=39'] Exploring Operation: 42*39=1638, Resulting Numbers: [1638] 1638,53 unequal: No Solution Exploring Operation: 42+39=81, Resulting Numbers: [81] 81,53 unequal: No Solution Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,53 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 53:[42, 25], Operations: ['37+5=42', '32-7=25'] Exploring Operation: 42*25=1050, Resulting Numbers: [1050] 1050,53 unequal: No Solution Exploring Operation: 42+25=67, Resulting Numbers: [67] 67,53 unequal: No Solution Exploring Operation: 42-25=17, Resulting Numbers: [17] 17,53 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_3
mult_heuristic
[ 75, 5, 50, 6 ]
95
[ "75+50=125", "5*6=30", "125-30=95" ]
Current State: 95:[75, 5, 50, 6], Operations: [] Exploring Operation: 75+50=125, Resulting Numbers: [5, 6, 125] Generated Node #2: [5, 6, 125] from Operation: 75+50=125 Current State: 95:[5, 6, 125], Operations: ['75+50=125'] Exploring Operation: 5*6=30, Resulting Numbers: [125, 30] Generated Node #3: [125, 30] from Operation: 5*6=30 Current State: 95:[125, 30], Operations: ['75+50=125', '5*6=30'] Exploring Operation: 125-30=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[75, 5, 50, 6], Operations: [] Exploring Operation: 75-50=25, Resulting Numbers: [5, 6, 25] Generated Node #0,0: 95:[5, 6, 25] Operation: 75-50=25 Exploring Operation: 50/5=10, Resulting Numbers: [75, 6, 10] Generated Node #0,1: 95:[75, 6, 10] Operation: 50/5=10 Exploring Operation: 75+50=125, Resulting Numbers: [5, 6, 125] Generated Node #0,2: 95:[5, 6, 125] Operation: 75+50=125 Moving to Node #0,0 Current State: 95:[5, 6, 25], Operations: ['75-50=25'] Exploring Operation: 25/5=5, Resulting Numbers: [6, 5] Generated Node #0,0,0: 95:[6, 5] Operation: 25/5=5 Exploring Operation: 25-5=20, Resulting Numbers: [6, 20] Generated Node #0,0,1: 95:[6, 20] Operation: 25-5=20 Exploring Operation: 25-6=19, Resulting Numbers: [5, 19] Generated Node #0,0,2: 95:[5, 19] Operation: 25-6=19 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 95:[5, 19], Operations: ['75-50=25', '25-6=19'] Exploring Operation: 5+19=24, Resulting Numbers: [24] 24,95 unequal: No Solution Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[75, 5, 50, 6], Operations: [] Exploring Operation: 75-50=25, Resulting Numbers: [5, 6, 25] Generated Node #0,0: 95:[5, 6, 25] Operation: 75-50=25 Moving to Node #0,0 Current State: 95:[5, 6, 25], Operations: ['75-50=25'] Exploring Operation: 25-6=19, Resulting Numbers: [5, 19] Generated Node #0,0,2: 95:[5, 19] Operation: 25-6=19 Moving to Node #0,0,2 Current State: 95:[5, 19], Operations: ['75-50=25', '25-6=19'] Exploring Operation: 5*19=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 82, 4, 77, 80 ]
80
[ "82-4=78", "78-77=1", "80*1=80" ]
Current State: 80:[82, 4, 77, 80], Operations: [] Exploring Operation: 82-4=78, Resulting Numbers: [77, 80, 78] Generated Node #2: [77, 80, 78] from Operation: 82-4=78 Current State: 80:[77, 80, 78], Operations: ['82-4=78'] Exploring Operation: 78-77=1, Resulting Numbers: [80, 1] Generated Node #3: [80, 1] from Operation: 78-77=1 Current State: 80:[80, 1], Operations: ['82-4=78', '78-77=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[82, 4, 77, 80], Operations: [] Exploring Operation: 4+77=81, Resulting Numbers: [82, 80, 81] Generated Node #0,0: 80:[82, 80, 81] Operation: 4+77=81 Exploring Operation: 82-77=5, Resulting Numbers: [4, 80, 5] Generated Node #0,1: 80:[4, 80, 5] Operation: 82-77=5 Exploring Operation: 80-77=3, Resulting Numbers: [82, 4, 3] Generated Node #0,2: 80:[82, 4, 3] Operation: 80-77=3 Exploring Operation: 82-80=2, Resulting Numbers: [4, 77, 2] Generated Node #0,3: 80:[4, 77, 2] Operation: 82-80=2 Moving to Node #0,1 Current State: 80:[4, 80, 5], Operations: ['82-77=5'] Exploring Operation: 80/5=16, Resulting Numbers: [4, 16] Generated Node #0,1,0: 80:[4, 16] Operation: 80/5=16 Exploring Operation: 4*5=20, Resulting Numbers: [80, 20] Generated Node #0,1,1: 80:[80, 20] Operation: 4*5=20 Exploring Operation: 80/4=20, Resulting Numbers: [5, 20] Generated Node #0,1,2: 80:[5, 20] Operation: 80/4=20 Exploring Operation: 4+5=9, Resulting Numbers: [80, 9] Generated Node #0,1,3: 80:[80, 9] Operation: 4+5=9 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 80:[4, 16], Operations: ['82-77=5', '80/5=16'] Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,80 unequal: No Solution Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,80 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 80:[80, 20], Operations: ['82-77=5', '4*5=20'] Exploring Operation: 80/20=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 80-20=60, Resulting Numbers: [60] 60,80 unequal: No Solution Exploring Operation: 80+20=100, Resulting Numbers: [100] 100,80 unequal: No Solution Exploring Operation: 80*20=1600, Resulting Numbers: [1600] 1600,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 80:[5, 20], Operations: ['82-77=5', '80/4=20'] Exploring Operation: 5*20=100, Resulting Numbers: [100] 100,80 unequal: No Solution Exploring Operation: 20-5=15, Resulting Numbers: [15] 15,80 unequal: No Solution Exploring Operation: 20/5=4, Resulting Numbers: [4] 4,80 unequal: No Solution Exploring Operation: 5+20=25, Resulting Numbers: [25] 25,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 80:[80, 9], Operations: ['82-77=5', '4+5=9'] Exploring Operation: 80*9=720, Resulting Numbers: [720] 720,80 unequal: No Solution Exploring Operation: 80+9=89, Resulting Numbers: [89] 89,80 unequal: No Solution Exploring Operation: 80-9=71, Resulting Numbers: [71] 71,80 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: 80:[82, 4, 3], Operations: ['80-77=3'] Exploring Operation: 4-3=1, Resulting Numbers: [82, 1] Generated Node #0,2,0: 80:[82, 1] Operation: 4-3=1 Exploring Operation: 82-4=78, Resulting Numbers: [3, 78] Generated Node #0,2,1: 80:[3, 78] Operation: 82-4=78 Exploring Operation: 82-3=79, Resulting Numbers: [4, 79] Generated Node #0,2,2: 80:[4, 79] Operation: 82-3=79 Exploring Operation: 4+3=7, Resulting Numbers: [82, 7] Generated Node #0,2,3: 80:[82, 7] Operation: 4+3=7 Moving to Node #0,0 Current State: 80:[82, 80, 81], Operations: ['4+77=81'] Exploring Operation: 82-81=1, Resulting Numbers: [80, 1] Generated Node #0,0,0: 80:[80, 1] Operation: 82-81=1 Exploring Operation: 82+80=162, Resulting Numbers: [81, 162] Generated Node #0,0,1: 80:[81, 162] Operation: 82+80=162 Exploring Operation: 82-80=2, Resulting Numbers: [81, 2] Generated Node #0,0,2: 80:[81, 2] Operation: 82-80=2 Exploring Operation: 81-80=1, Resulting Numbers: [82, 1] Generated Node #0,0,3: 80:[82, 1] Operation: 81-80=1 Moving to Node #0,3 Current State: 80:[4, 77, 2], Operations: ['82-80=2'] Exploring Operation: 77+2=79, Resulting Numbers: [4, 79] Generated Node #0,3,0: 80:[4, 79] Operation: 77+2=79 Exploring Operation: 4-2=2, Resulting Numbers: [77, 2] Generated Node #0,3,1: 80:[77, 2] Operation: 4-2=2 Exploring Operation: 4+77=81, Resulting Numbers: [2, 81] Generated Node #0,3,2: 80:[2, 81] Operation: 4+77=81 Exploring Operation: 4*2=8, Resulting Numbers: [77, 8] Generated Node #0,3,3: 80:[77, 8] Operation: 4*2=8 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 80:[4, 79], Operations: ['82-80=2', '77+2=79'] Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 4*79=316, Resulting Numbers: [316] 316,80 unequal: No Solution Exploring Operation: 4+79=83, Resulting Numbers: [83] 83,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 80:[2, 81], Operations: ['82-80=2', '4+77=81'] Exploring Operation: 2*81=162, Resulting Numbers: [162] 162,80 unequal: No Solution Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,80 unequal: No Solution Exploring Operation: 2+81=83, Resulting Numbers: [83] 83,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 80:[77, 2], Operations: ['82-80=2', '4-2=2'] Exploring Operation: 77*2=154, Resulting Numbers: [154] 154,80 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 77+2=79, Resulting Numbers: [79] 79,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 80:[77, 8], Operations: ['82-80=2', '4*2=8'] Exploring Operation: 77+8=85, Resulting Numbers: [85] 85,80 unequal: No Solution Exploring Operation: 77*8=616, Resulting Numbers: [616] 616,80 unequal: No Solution Exploring Operation: 77-8=69, Resulting Numbers: [69] 69,80 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: 80:[4, 79], Operations: ['80-77=3', '82-3=79'] Exploring Operation: 4*79=316, Resulting Numbers: [316] 316,80 unequal: No Solution Exploring Operation: 79-4=75, Resulting Numbers: [75] 75,80 unequal: No Solution Exploring Operation: 4+79=83, Resulting Numbers: [83] 83,80 unequal: No Solution Moving to Node #0,0,2 Current State: 80:[81, 2], Operations: ['4+77=81', '82-80=2'] Exploring Operation: 81+2=83, Resulting Numbers: [83] 83,80 unequal: No Solution Exploring Operation: 81*2=162, Resulting Numbers: [162] 162,80 unequal: No Solution Exploring Operation: 81-2=79, Resulting Numbers: [79] 79,80 unequal: No Solution Moving to Node #0,0,0 Current State: 80:[80, 1], Operations: ['4+77=81', '82-81=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[82, 4, 77, 80], Operations: [] Exploring Operation: 4+77=81, Resulting Numbers: [82, 80, 81] Generated Node #0,0: 80:[82, 80, 81] Operation: 4+77=81 Moving to Node #0,0 Current State: 80:[82, 80, 81], Operations: ['4+77=81'] Exploring Operation: 82-81=1, Resulting Numbers: [80, 1] Generated Node #0,0,0: 80:[80, 1] Operation: 82-81=1 Moving to Node #0,0,0 Current State: 80:[80, 1], Operations: ['4+77=81', '82-81=1'] Exploring Operation: 80*1=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
0.949653
hs_4
mult_heuristic
[ 56, 71, 80, 88 ]
64
[ "88-80=8", "56/8=7", "71-7=64" ]
Current State: 64:[56, 71, 80, 88], Operations: [] Exploring Operation: 88-80=8, Resulting Numbers: [56, 71, 8] Generated Node #2: [56, 71, 8] from Operation: 88-80=8 Current State: 64:[56, 71, 8], Operations: ['88-80=8'] Exploring Operation: 56/8=7, Resulting Numbers: [71, 7] Generated Node #3: [71, 7] from Operation: 56/8=7 Current State: 64:[71, 7], Operations: ['88-80=8', '56/8=7'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[56, 71, 80, 88], Operations: [] Exploring Operation: 88-71=17, Resulting Numbers: [56, 80, 17] Generated Node #0,0: 64:[56, 80, 17] Operation: 88-71=17 Exploring Operation: 80-71=9, Resulting Numbers: [56, 88, 9] Generated Node #0,1: 64:[56, 88, 9] Operation: 80-71=9 Exploring Operation: 88-80=8, Resulting Numbers: [56, 71, 8] Generated Node #0,2: 64:[56, 71, 8] Operation: 88-80=8 Exploring Operation: 88-56=32, Resulting Numbers: [71, 80, 32] Generated Node #0,3: 64:[71, 80, 32] Operation: 88-56=32 Moving to Node #0,2 Current State: 64:[56, 71, 8], Operations: ['88-80=8'] Exploring Operation: 56/8=7, Resulting Numbers: [71, 7] Generated Node #0,2,0: 64:[71, 7] Operation: 56/8=7 Exploring Operation: 71-8=63, Resulting Numbers: [56, 63] Generated Node #0,2,1: 64:[56, 63] Operation: 71-8=63 Exploring Operation: 56+8=64, Resulting Numbers: [71, 64] Generated Node #0,2,2: 64:[71, 64] Operation: 56+8=64 Exploring Operation: 71-56=15, Resulting Numbers: [8, 15] Generated Node #0,2,3: 64:[8, 15] Operation: 71-56=15 Moving to Node #0,3 Current State: 64:[71, 80, 32], Operations: ['88-56=32'] Exploring Operation: 71-32=39, Resulting Numbers: [80, 39] Generated Node #0,3,0: 64:[80, 39] Operation: 71-32=39 Exploring Operation: 80-32=48, Resulting Numbers: [71, 48] Generated Node #0,3,1: 64:[71, 48] Operation: 80-32=48 Exploring Operation: 80-71=9, Resulting Numbers: [32, 9] Generated Node #0,3,2: 64:[32, 9] Operation: 80-71=9 Exploring Operation: 71+32=103, Resulting Numbers: [80, 103] Generated Node #0,3,3: 64:[80, 103] Operation: 71+32=103 Moving to Node #0,0 Current State: 64:[56, 80, 17], Operations: ['88-71=17'] Exploring Operation: 80-17=63, Resulting Numbers: [56, 63] Generated Node #0,0,0: 64:[56, 63] Operation: 80-17=63 Exploring Operation: 56-17=39, Resulting Numbers: [80, 39] Generated Node #0,0,1: 64:[80, 39] Operation: 56-17=39 Exploring Operation: 80-56=24, Resulting Numbers: [17, 24] Generated Node #0,0,2: 64:[17, 24] Operation: 80-56=24 Exploring Operation: 56+17=73, Resulting Numbers: [80, 73] Generated Node #0,0,3: 64:[80, 73] Operation: 56+17=73 Moving to Node #0,1 Current State: 64:[56, 88, 9], Operations: ['80-71=9'] Exploring Operation: 88-9=79, Resulting Numbers: [56, 79] Generated Node #0,1,0: 64:[56, 79] Operation: 88-9=79 Exploring Operation: 88-56=32, Resulting Numbers: [9, 32] Generated Node #0,1,1: 64:[9, 32] Operation: 88-56=32 Exploring Operation: 56-9=47, Resulting Numbers: [88, 47] Generated Node #0,1,2: 64:[88, 47] Operation: 56-9=47 Exploring Operation: 56+9=65, Resulting Numbers: [88, 65] Generated Node #0,1,3: 64:[88, 65] Operation: 56+9=65 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 64:[9, 32], Operations: ['80-71=9', '88-56=32'] Exploring Operation: 9+32=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 9*32=288, Resulting Numbers: [288] 288,64 unequal: No Solution Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 64:[56, 79], Operations: ['80-71=9', '88-9=79'] Exploring Operation: 79-56=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 56+79=135, Resulting Numbers: [135] 135,64 unequal: No Solution Exploring Operation: 56*79=4424, Resulting Numbers: [4424] 4424,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 64:[88, 65], Operations: ['80-71=9', '56+9=65'] Exploring Operation: 88-65=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 88+65=153, Resulting Numbers: [153] 153,64 unequal: No Solution Exploring Operation: 88*65=5720, Resulting Numbers: [5720] 5720,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 64:[88, 47], Operations: ['80-71=9', '56-9=47'] Exploring Operation: 88+47=135, Resulting Numbers: [135] 135,64 unequal: No Solution Exploring Operation: 88*47=4136, Resulting Numbers: [4136] 4136,64 unequal: No Solution Exploring Operation: 88-47=41, Resulting Numbers: [41] 41,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 64:[8, 15], Operations: ['88-80=8', '71-56=15'] Exploring Operation: 8+15=23, Resulting Numbers: [23] 23,64 unequal: No Solution Exploring Operation: 15-8=7, Resulting Numbers: [7] 7,64 unequal: No Solution Exploring Operation: 8*15=120, Resulting Numbers: [120] 120,64 unequal: No Solution Moving to Node #0,3,2 Current State: 64:[32, 9], Operations: ['88-56=32', '80-71=9'] Exploring Operation: 32+9=41, Resulting Numbers: [41] 41,64 unequal: No Solution Exploring Operation: 32*9=288, Resulting Numbers: [288] 288,64 unequal: No Solution Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,64 unequal: No Solution Moving to Node #0,2,2 Current State: 64:[71, 64], Operations: ['88-80=8', '56+8=64'] Exploring Operation: 71+64=135, Resulting Numbers: [135] 135,64 unequal: No Solution Exploring Operation: 71*64=4544, Resulting Numbers: [4544] 4544,64 unequal: No Solution Exploring Operation: 71-64=7, Resulting Numbers: [7] 7,64 unequal: No Solution Moving to Node #0,2,0 Current State: 64:[71, 7], Operations: ['88-80=8', '56/8=7'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[56, 71, 80, 88], Operations: [] Exploring Operation: 88-80=8, Resulting Numbers: [56, 71, 8] Generated Node #0,2: 64:[56, 71, 8] Operation: 88-80=8 Moving to Node #0,2 Current State: 64:[56, 71, 8], Operations: ['88-80=8'] Exploring Operation: 56/8=7, Resulting Numbers: [71, 7] Generated Node #0,2,0: 64:[71, 7] Operation: 56/8=7 Moving to Node #0,2,0 Current State: 64:[71, 7], Operations: ['88-80=8', '56/8=7'] Exploring Operation: 71-7=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
0.960069
hs_4
sum_heuristic
[ 68, 99, 80, 82 ]
84
[ "99-82=17", "68/17=4", "80+4=84" ]
Current State: 84:[68, 99, 80, 82], Operations: [] Exploring Operation: 99-82=17, Resulting Numbers: [68, 80, 17] Generated Node #2: [68, 80, 17] from Operation: 99-82=17 Current State: 84:[68, 80, 17], Operations: ['99-82=17'] Exploring Operation: 68/17=4, Resulting Numbers: [80, 4] Generated Node #3: [80, 4] from Operation: 68/17=4 Current State: 84:[80, 4], Operations: ['99-82=17', '68/17=4'] Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[68, 99, 80, 82], Operations: [] Exploring Operation: 80-68=12, Resulting Numbers: [99, 82, 12] Generated Node #0,0: 84:[99, 82, 12] Operation: 80-68=12 Exploring Operation: 82-68=14, Resulting Numbers: [99, 80, 14] Generated Node #0,1: 84:[99, 80, 14] Operation: 82-68=14 Exploring Operation: 99-68=31, Resulting Numbers: [80, 82, 31] Generated Node #0,2: 84:[80, 82, 31] Operation: 99-68=31 Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[80, 82, 31], Operations: ['99-68=31'] Exploring Operation: 82-31=51, Resulting Numbers: [80, 51] Generated Node #0,2,0: 84:[80, 51] Operation: 82-31=51 Exploring Operation: 82-80=2, Resulting Numbers: [31, 2] Generated Node #0,2,1: 84:[31, 2] Operation: 82-80=2 Exploring Operation: 80-31=49, Resulting Numbers: [82, 49] Generated Node #0,2,2: 84:[82, 49] Operation: 80-31=49 Moving to Node #0,2,1 Current State: 84:[31, 2], Operations: ['99-68=31', '82-80=2'] Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,84 unequal: No Solution Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,84 unequal: No Solution Moving to Node #0,2,2 Current State: 84:[82, 49], Operations: ['99-68=31', '80-31=49'] Exploring Operation: 82-49=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 82+49=131, Resulting Numbers: [131] 131,84 unequal: No Solution Exploring Operation: 82*49=4018, Resulting Numbers: [4018] 4018,84 unequal: No Solution Moving to Node #0,2,0 Current State: 84:[80, 51], Operations: ['99-68=31', '82-31=51'] Exploring Operation: 80+51=131, Resulting Numbers: [131] 131,84 unequal: No Solution Exploring Operation: 80-51=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 80*51=4080, Resulting Numbers: [4080] 4080,84 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 Current State: 84:[99, 82, 12], Operations: ['80-68=12'] Exploring Operation: 99-12=87, Resulting Numbers: [82, 87] Generated Node #0,0,0: 84:[82, 87] Operation: 99-12=87 Exploring Operation: 82+12=94, Resulting Numbers: [99, 94] Generated Node #0,0,1: 84:[99, 94] Operation: 82+12=94 Exploring Operation: 99-82=17, Resulting Numbers: [12, 17] Generated Node #0,0,2: 84:[12, 17] Operation: 99-82=17 Moving to Node #0,0,2 Current State: 84:[12, 17], Operations: ['80-68=12', '99-82=17'] Exploring Operation: 12*17=204, Resulting Numbers: [204] 204,84 unequal: No Solution Exploring Operation: 12+17=29, Resulting Numbers: [29] 29,84 unequal: No Solution Exploring Operation: 17-12=5, Resulting Numbers: [5] 5,84 unequal: No Solution Moving to Node #0,0,0 Current State: 84:[82, 87], Operations: ['80-68=12', '99-12=87'] Exploring Operation: 82*87=7134, Resulting Numbers: [7134] 7134,84 unequal: No Solution Exploring Operation: 87-82=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 82+87=169, Resulting Numbers: [169] 169,84 unequal: No Solution Moving to Node #0,0,1 Current State: 84:[99, 94], Operations: ['80-68=12', '82+12=94'] Exploring Operation: 99-94=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 99*94=9306, Resulting Numbers: [9306] 9306,84 unequal: No Solution Exploring Operation: 99+94=193, Resulting Numbers: [193] 193,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 84:[99, 80, 14], Operations: ['82-68=14'] Exploring Operation: 99-14=85, Resulting Numbers: [80, 85] Generated Node #0,1,0: 84:[80, 85] Operation: 99-14=85 Exploring Operation: 80+14=94, Resulting Numbers: [99, 94] Generated Node #0,1,1: 84:[99, 94] Operation: 80+14=94 Exploring Operation: 99-80=19, Resulting Numbers: [14, 19] Generated Node #0,1,2: 84:[14, 19] Operation: 99-80=19 Moving to Node #0,1,2 Current State: 84:[14, 19], Operations: ['82-68=14', '99-80=19'] Exploring Operation: 14+19=33, Resulting Numbers: [33] 33,84 unequal: No Solution Exploring Operation: 14*19=266, Resulting Numbers: [266] 266,84 unequal: No Solution Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,84 unequal: No Solution Moving to Node #0,1,0 Current State: 84:[80, 85], Operations: ['82-68=14', '99-14=85'] Exploring Operation: 80*85=6800, Resulting Numbers: [6800] 6800,84 unequal: No Solution Exploring Operation: 85-80=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 80+85=165, Resulting Numbers: [165] 165,84 unequal: No Solution Moving to Node #0,1,1 Current State: 84:[99, 94], Operations: ['82-68=14', '80+14=94'] Exploring Operation: 99-94=5, Resulting Numbers: [5] 5,84 unequal: No Solution Exploring Operation: 99+94=193, Resulting Numbers: [193] 193,84 unequal: No Solution Exploring Operation: 99*94=9306, Resulting Numbers: [9306] 9306,84 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
[ 67, 4, 1, 41 ]
23
[ "67-4=63", "41-1=40", "63-40=23" ]
Current State: 23:[67, 4, 1, 41], Operations: [] Exploring Operation: 67-4=63, Resulting Numbers: [1, 41, 63] Generated Node #2: [1, 41, 63] from Operation: 67-4=63 Current State: 23:[1, 41, 63], Operations: ['67-4=63'] Exploring Operation: 41-1=40, Resulting Numbers: [63, 40] Generated Node #3: [63, 40] from Operation: 41-1=40 Current State: 23:[63, 40], Operations: ['67-4=63', '41-1=40'] Exploring Operation: 63-40=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[67, 4, 1, 41], Operations: [] Exploring Operation: 67-4=63, Resulting Numbers: [1, 41, 63] Generated Node #0,0: 23:[1, 41, 63] Operation: 67-4=63 Exploring Operation: 67-41=26, Resulting Numbers: [4, 1, 26] Generated Node #0,1: 23:[4, 1, 26] Operation: 67-41=26 Moving to Node #0,1 Current State: 23:[4, 1, 26], Operations: ['67-41=26'] Exploring Operation: 4+1=5, Resulting Numbers: [26, 5] Generated Node #0,1,0: 23:[26, 5] Operation: 4+1=5 Exploring Operation: 26-1=25, Resulting Numbers: [4, 25] Generated Node #0,1,1: 23:[4, 25] Operation: 26-1=25 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 23:[26, 5], Operations: ['67-41=26', '4+1=5'] Exploring Operation: 26+5=31, Resulting Numbers: [31] 31,23 unequal: No Solution Exploring Operation: 26-5=21, Resulting Numbers: [21] 21,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 23:[4, 25], Operations: ['67-41=26', '26-1=25'] Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,23 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 23:[1, 41, 63], Operations: ['67-4=63'] Exploring Operation: 63-41=22, Resulting Numbers: [1, 22] Generated Node #0,0,0: 23:[1, 22] Operation: 63-41=22 Exploring Operation: 41-1=40, Resulting Numbers: [63, 40] Generated Node #0,0,1: 23:[63, 40] Operation: 41-1=40 Moving to Node #0,0,0 Current State: 23:[1, 22], Operations: ['67-4=63', '63-41=22'] Exploring Operation: 1+22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[67, 4, 1, 41], Operations: [] Exploring Operation: 67-4=63, Resulting Numbers: [1, 41, 63] Generated Node #0,0: 23:[1, 41, 63] Operation: 67-4=63 Moving to Node #0,0 Current State: 23:[1, 41, 63], Operations: ['67-4=63'] Exploring Operation: 63-41=22, Resulting Numbers: [1, 22] Generated Node #0,0,0: 23:[1, 22] Operation: 63-41=22 Moving to Node #0,0,0 Current State: 23:[1, 22], Operations: ['67-4=63', '63-41=22'] Exploring Operation: 1+22=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
0.986979
hs_2
mult_heuristic
[ 36, 94, 94, 32 ]
32
[ "94-94=0", "36*0=0", "32+0=32" ]
Current State: 32:[36, 94, 94, 32], Operations: [] Exploring Operation: 94-94=0, Resulting Numbers: [36, 32, 0] Generated Node #2: [36, 32, 0] from Operation: 94-94=0 Current State: 32:[36, 32, 0], Operations: ['94-94=0'] Exploring Operation: 36*0=0, Resulting Numbers: [32, 0] Generated Node #3: [32, 0] from Operation: 36*0=0 Current State: 32:[32, 0], Operations: ['94-94=0', '36*0=0'] Exploring Operation: 32+0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[36, 94, 94, 32], Operations: [] Exploring Operation: 94-36=58, Resulting Numbers: [94, 32, 58] Generated Node #0,0: 32:[94, 32, 58] Operation: 94-36=58 Exploring Operation: 94-94=0, Resulting Numbers: [36, 32, 0] Generated Node #0,1: 32:[36, 32, 0] Operation: 94-94=0 Exploring Operation: 94/94=1, Resulting Numbers: [36, 32, 1] Generated Node #0,2: 32:[36, 32, 1] Operation: 94/94=1 Exploring Operation: 94-32=62, Resulting Numbers: [36, 94, 62] Generated Node #0,3: 32:[36, 94, 62] Operation: 94-32=62 Exploring Operation: 94-36=58, Resulting Numbers: [94, 32, 58] Generated Node #0,4: 32:[94, 32, 58] Operation: 94-36=58 Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[36, 32, 1], Operations: ['94/94=1'] Exploring Operation: 36-32=4, Resulting Numbers: [1, 4] Generated Node #0,2,0: 32:[1, 4] Operation: 36-32=4 Exploring Operation: 36/1=36, Resulting Numbers: [32, 36] Generated Node #0,2,1: 32:[32, 36] Operation: 36/1=36 Exploring Operation: 36*1=36, Resulting Numbers: [32, 36] Generated Node #0,2,2: 32:[32, 36] Operation: 36*1=36 Exploring Operation: 36-1=35, Resulting Numbers: [32, 35] Generated Node #0,2,3: 32:[32, 35] Operation: 36-1=35 Exploring Operation: 32*1=32, Resulting Numbers: [36, 32] Generated Node #0,2,4: 32:[36, 32] Operation: 32*1=32 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 32:[1, 4], Operations: ['94/94=1', '36-32=4'] Exploring Operation: 1*4=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 1+4=5, Resulting Numbers: [5] 5,32 unequal: No Solution Exploring Operation: 4/1=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 4-1=3, Resulting Numbers: [3] 3,32 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 #0,2,3 Current State: 32:[32, 35], Operations: ['94/94=1', '36-1=35'] Exploring Operation: 32*35=1120, Resulting Numbers: [1120] 1120,32 unequal: No Solution Exploring Operation: 32+35=67, Resulting Numbers: [67] 67,32 unequal: No Solution Exploring Operation: 35-32=3, Resulting Numbers: [3] 3,32 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 #0,2,1 Current State: 32:[32, 36], Operations: ['94/94=1', '36/1=36'] Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,32 unequal: No Solution Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,32 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 #0,2,2 Current State: 32:[32, 36], Operations: ['94/94=1', '36*1=36'] Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 32+36=68, Resulting Numbers: [68] 68,32 unequal: No Solution Exploring Operation: 32*36=1152, Resulting Numbers: [1152] 1152,32 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:[36, 32], Operations: ['94/94=1', '32*1=32'] Exploring Operation: 36*32=1152, Resulting Numbers: [1152] 1152,32 unequal: No Solution Exploring Operation: 36+32=68, Resulting Numbers: [68] 68,32 unequal: No Solution Exploring Operation: 36-32=4, Resulting Numbers: [4] 4,32 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 32:[36, 32, 0], Operations: ['94-94=0'] Exploring Operation: 36*0=0, Resulting Numbers: [32, 0] Generated Node #0,1,0: 32:[32, 0] Operation: 36*0=0 Exploring Operation: 36+0=36, Resulting Numbers: [32, 36] Generated Node #0,1,1: 32:[32, 36] Operation: 36+0=36 Exploring Operation: 36-0=36, Resulting Numbers: [32, 36] Generated Node #0,1,2: 32:[32, 36] Operation: 36-0=36 Exploring Operation: 32+0=32, Resulting Numbers: [36, 32] Generated Node #0,1,3: 32:[36, 32] Operation: 32+0=32 Exploring Operation: 36-32=4, Resulting Numbers: [0, 4] Generated Node #0,1,4: 32:[0, 4] Operation: 36-32=4 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 32:[32, 0], Operations: ['94-94=0', '36*0=0'] Exploring Operation: 32+0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Moving to Node #0 Current State: 32:[36, 94, 94, 32], Operations: [] Exploring Operation: 94-94=0, Resulting Numbers: [36, 32, 0] Generated Node #0,1: 32:[36, 32, 0] Operation: 94-94=0 Moving to Node #0,1 Current State: 32:[36, 32, 0], Operations: ['94-94=0'] Exploring Operation: 36*0=0, Resulting Numbers: [32, 0] Generated Node #0,1,0: 32:[32, 0] Operation: 36*0=0 Moving to Node #0,1,0 Current State: 32:[32, 0], Operations: ['94-94=0', '36*0=0'] Exploring Operation: 32+0=32, Resulting Numbers: [32] 32,32 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.96875
hs_5
sum_heuristic
[ 69, 45, 93, 15 ]
17
[ "45+93=138", "138/69=2", "15+2=17" ]
Current State: 17:[69, 45, 93, 15], Operations: [] Exploring Operation: 45+93=138, Resulting Numbers: [69, 15, 138] Generated Node #2: [69, 15, 138] from Operation: 45+93=138 Current State: 17:[69, 15, 138], Operations: ['45+93=138'] Exploring Operation: 138/69=2, Resulting Numbers: [15, 2] Generated Node #3: [15, 2] from Operation: 138/69=2 Current State: 17:[15, 2], Operations: ['45+93=138', '138/69=2'] Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[69, 45, 93, 15], Operations: [] Exploring Operation: 69-45=24, Resulting Numbers: [93, 15, 24] Generated Node #0,0: 17:[93, 15, 24] Operation: 69-45=24 Exploring Operation: 93-69=24, Resulting Numbers: [45, 15, 24] Generated Node #0,1: 17:[45, 15, 24] Operation: 93-69=24 Exploring Operation: 69-15=54, Resulting Numbers: [45, 93, 54] Generated Node #0,2: 17:[45, 93, 54] Operation: 69-15=54 Exploring Operation: 93-45=48, Resulting Numbers: [69, 15, 48] Generated Node #0,3: 17:[69, 15, 48] Operation: 93-45=48 Moving to Node #0,1 Current State: 17:[45, 15, 24], Operations: ['93-69=24'] Exploring Operation: 45/15=3, Resulting Numbers: [24, 3] Generated Node #0,1,0: 17:[24, 3] Operation: 45/15=3 Exploring Operation: 45-24=21, Resulting Numbers: [15, 21] Generated Node #0,1,1: 17:[15, 21] Operation: 45-24=21 Exploring Operation: 24-15=9, Resulting Numbers: [45, 9] Generated Node #0,1,2: 17:[45, 9] Operation: 24-15=9 Exploring Operation: 45-15=30, Resulting Numbers: [24, 30] Generated Node #0,1,3: 17:[24, 30] Operation: 45-15=30 Moving to Node #0,3 Current State: 17:[69, 15, 48], Operations: ['93-45=48'] Exploring Operation: 69-15=54, Resulting Numbers: [48, 54] Generated Node #0,3,0: 17:[48, 54] Operation: 69-15=54 Exploring Operation: 48-15=33, Resulting Numbers: [69, 33] Generated Node #0,3,1: 17:[69, 33] Operation: 48-15=33 Exploring Operation: 69+15=84, Resulting Numbers: [48, 84] Generated Node #0,3,2: 17:[48, 84] Operation: 69+15=84 Exploring Operation: 69-48=21, Resulting Numbers: [15, 21] Generated Node #0,3,3: 17:[15, 21] Operation: 69-48=21 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 17:[15, 21], Operations: ['93-45=48', '69-48=21'] Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 15+21=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 15*21=315, Resulting Numbers: [315] 315,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 17:[48, 54], Operations: ['93-45=48', '69-15=54'] Exploring Operation: 48*54=2592, Resulting Numbers: [2592] 2592,17 unequal: No Solution Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 48+54=102, Resulting Numbers: [102] 102,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 17:[69, 33], Operations: ['93-45=48', '48-15=33'] Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 69+33=102, Resulting Numbers: [102] 102,17 unequal: No Solution Exploring Operation: 69*33=2277, Resulting Numbers: [2277] 2277,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 17:[48, 84], Operations: ['93-45=48', '69+15=84'] Exploring Operation: 84-48=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 48*84=4032, Resulting Numbers: [4032] 4032,17 unequal: No Solution Exploring Operation: 48+84=132, Resulting Numbers: [132] 132,17 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: 17:[93, 15, 24], Operations: ['69-45=24'] Exploring Operation: 93-15=78, Resulting Numbers: [24, 78] Generated Node #0,0,0: 17:[24, 78] Operation: 93-15=78 Exploring Operation: 93-24=69, Resulting Numbers: [15, 69] Generated Node #0,0,1: 17:[15, 69] Operation: 93-24=69 Exploring Operation: 24-15=9, Resulting Numbers: [93, 9] Generated Node #0,0,2: 17:[93, 9] Operation: 24-15=9 Exploring Operation: 93+15=108, Resulting Numbers: [24, 108] Generated Node #0,0,3: 17:[24, 108] Operation: 93+15=108 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[15, 69], Operations: ['69-45=24', '93-24=69'] Exploring Operation: 15+69=84, Resulting Numbers: [84] 84,17 unequal: No Solution Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 15*69=1035, Resulting Numbers: [1035] 1035,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[24, 78], Operations: ['69-45=24', '93-15=78'] Exploring Operation: 24*78=1872, Resulting Numbers: [1872] 1872,17 unequal: No Solution Exploring Operation: 24+78=102, Resulting Numbers: [102] 102,17 unequal: No Solution Exploring Operation: 78-24=54, Resulting Numbers: [54] 54,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[93, 9], Operations: ['69-45=24', '24-15=9'] Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,17 unequal: No Solution Exploring Operation: 93*9=837, Resulting Numbers: [837] 837,17 unequal: No Solution Exploring Operation: 93+9=102, Resulting Numbers: [102] 102,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 17:[24, 108], Operations: ['69-45=24', '93+15=108'] Exploring Operation: 24+108=132, Resulting Numbers: [132] 132,17 unequal: No Solution Exploring Operation: 24*108=2592, Resulting Numbers: [2592] 2592,17 unequal: No Solution Exploring Operation: 108-24=84, Resulting Numbers: [84] 84,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 17:[45, 93, 54], Operations: ['69-15=54'] Exploring Operation: 54-45=9, Resulting Numbers: [93, 9] Generated Node #0,2,0: 17:[93, 9] Operation: 54-45=9 Exploring Operation: 93-54=39, Resulting Numbers: [45, 39] Generated Node #0,2,1: 17:[45, 39] Operation: 93-54=39 Exploring Operation: 93-45=48, Resulting Numbers: [54, 48] Generated Node #0,2,2: 17:[54, 48] Operation: 93-45=48 Exploring Operation: 45+93=138, Resulting Numbers: [54, 138] Generated Node #0,2,3: 17:[54, 138] Operation: 45+93=138 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 17:[45, 39], Operations: ['69-15=54', '93-54=39'] Exploring Operation: 45*39=1755, Resulting Numbers: [1755] 1755,17 unequal: No Solution Exploring Operation: 45+39=84, Resulting Numbers: [84] 84,17 unequal: No Solution Exploring Operation: 45-39=6, Resulting Numbers: [6] 6,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 17:[54, 48], Operations: ['69-15=54', '93-45=48'] Exploring Operation: 54+48=102, Resulting Numbers: [102] 102,17 unequal: No Solution Exploring Operation: 54*48=2592, Resulting Numbers: [2592] 2592,17 unequal: No Solution Exploring Operation: 54-48=6, Resulting Numbers: [6] 6,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 17:[93, 9], Operations: ['69-15=54', '54-45=9'] Exploring Operation: 93*9=837, Resulting Numbers: [837] 837,17 unequal: No Solution Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,17 unequal: No Solution Exploring Operation: 93+9=102, Resulting Numbers: [102] 102,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 17:[54, 138], Operations: ['69-15=54', '45+93=138'] Exploring Operation: 54+138=192, Resulting Numbers: [192] 192,17 unequal: No Solution Exploring Operation: 138-54=84, Resulting Numbers: [84] 84,17 unequal: No Solution Exploring Operation: 54*138=7452, Resulting Numbers: [7452] 7452,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 17:[15, 21], Operations: ['93-69=24', '45-24=21'] Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,17 unequal: No Solution Exploring Operation: 15+21=36, Resulting Numbers: [36] 36,17 unequal: No Solution Exploring Operation: 15*21=315, Resulting Numbers: [315] 315,17 unequal: No Solution Moving to Node #0,1,3 Current State: 17:[24, 30], Operations: ['93-69=24', '45-15=30'] Exploring Operation: 24*30=720, Resulting Numbers: [720] 720,17 unequal: No Solution Exploring Operation: 24+30=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,17 unequal: No Solution Moving to Node #0,1,0 Current State: 17:[24, 3], Operations: ['93-69=24', '45/15=3'] Exploring Operation: 24-3=21, Resulting Numbers: [21] 21,17 unequal: No Solution Exploring Operation: 24/3=8, Resulting Numbers: [8] 8,17 unequal: No Solution Exploring Operation: 24+3=27, Resulting Numbers: [27] 27,17 unequal: No Solution Exploring Operation: 24*3=72, Resulting Numbers: [72] 72,17 unequal: No Solution Moving to Node #0,1,2 Current State: 17:[45, 9], Operations: ['93-69=24', '24-15=9'] Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,17 unequal: No Solution Exploring Operation: 45*9=405, Resulting Numbers: [405] 405,17 unequal: No Solution Exploring Operation: 45+9=54, Resulting Numbers: [54] 54,17 unequal: No Solution Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,17 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 71, 39, 28, 38 ]
98
[ "71-39=32", "28+38=66", "32+66=98" ]
Current State: 98:[71, 39, 28, 38], Operations: [] Exploring Operation: 71-39=32, Resulting Numbers: [28, 38, 32] Generated Node #2: [28, 38, 32] from Operation: 71-39=32 Current State: 98:[28, 38, 32], Operations: ['71-39=32'] Exploring Operation: 28+38=66, Resulting Numbers: [32, 66] Generated Node #3: [32, 66] from Operation: 28+38=66 Current State: 98:[32, 66], Operations: ['71-39=32', '28+38=66'] Exploring Operation: 32+66=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[71, 39, 28, 38], Operations: [] Exploring Operation: 71+28=99, Resulting Numbers: [39, 38, 99] Generated Node #0,0: 98:[39, 38, 99] Operation: 71+28=99 Exploring Operation: 71+38=109, Resulting Numbers: [39, 28, 109] Generated Node #0,1: 98:[39, 28, 109] Operation: 71+38=109 Exploring Operation: 71-28=43, Resulting Numbers: [39, 38, 43] Generated Node #0,2: 98:[39, 38, 43] Operation: 71-28=43 Exploring Operation: 38-28=10, Resulting Numbers: [71, 39, 10] Generated Node #0,3: 98:[71, 39, 10] Operation: 38-28=10 Exploring Operation: 39-28=11, Resulting Numbers: [71, 38, 11] Generated Node #0,4: 98:[71, 38, 11] Operation: 39-28=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[39, 38, 99], Operations: ['71+28=99'] Exploring Operation: 99-39=60, Resulting Numbers: [38, 60] Generated Node #0,0,0: 98:[38, 60] Operation: 99-39=60 Exploring Operation: 39+38=77, Resulting Numbers: [99, 77] Generated Node #0,0,1: 98:[99, 77] Operation: 39+38=77 Exploring Operation: 99-38=61, Resulting Numbers: [39, 61] Generated Node #0,0,2: 98:[39, 61] Operation: 99-38=61 Exploring Operation: 38+99=137, Resulting Numbers: [39, 137] Generated Node #0,0,3: 98:[39, 137] Operation: 38+99=137 Exploring Operation: 39-38=1, Resulting Numbers: [99, 1] Generated Node #0,0,4: 98:[99, 1] Operation: 39-38=1 Moving to Node #0,0,4 Current State: 98:[99, 1], Operations: ['71+28=99', '39-38=1'] Exploring Operation: 99-1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[71, 39, 28, 38], Operations: [] Exploring Operation: 71+28=99, Resulting Numbers: [39, 38, 99] Generated Node #0,0: 98:[39, 38, 99] Operation: 71+28=99 Moving to Node #0,0 Current State: 98:[39, 38, 99], Operations: ['71+28=99'] Exploring Operation: 39-38=1, Resulting Numbers: [99, 1] Generated Node #0,0,4: 98:[99, 1] Operation: 39-38=1 Moving to Node #0,0,4 Current State: 98:[99, 1], Operations: ['71+28=99', '39-38=1'] Exploring Operation: 99-1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 60, 60, 59, 11 ]
48
[ "60-60=0", "59-11=48", "0+48=48" ]
Current State: 48:[60, 60, 59, 11], Operations: [] Exploring Operation: 60-60=0, Resulting Numbers: [59, 11, 0] Generated Node #2: [59, 11, 0] from Operation: 60-60=0 Current State: 48:[59, 11, 0], Operations: ['60-60=0'] Exploring Operation: 59-11=48, Resulting Numbers: [0, 48] Generated Node #3: [0, 48] from Operation: 59-11=48 Current State: 48:[0, 48], Operations: ['60-60=0', '59-11=48'] Exploring Operation: 0+48=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[60, 60, 59, 11], Operations: [] Exploring Operation: 60-60=0, Resulting Numbers: [59, 11, 0] Generated Node #0,0: 48:[59, 11, 0] Operation: 60-60=0 Exploring Operation: 60/60=1, Resulting Numbers: [59, 11, 1] Generated Node #0,1: 48:[59, 11, 1] Operation: 60/60=1 Moving to Node #0,1 Current State: 48:[59, 11, 1], Operations: ['60/60=1'] Exploring Operation: 59-11=48, Resulting Numbers: [1, 48] Generated Node #0,1,0: 48:[1, 48] Operation: 59-11=48 Exploring Operation: 59-1=58, Resulting Numbers: [11, 58] Generated Node #0,1,1: 48:[11, 58] Operation: 59-1=58 Moving to Node #0,0 Current State: 48:[59, 11, 0], Operations: ['60-60=0'] Exploring Operation: 59*0=0, Resulting Numbers: [11, 0] Generated Node #0,0,0: 48:[11, 0] Operation: 59*0=0 Exploring Operation: 59-11=48, Resulting Numbers: [0, 48] Generated Node #0,0,1: 48:[0, 48] Operation: 59-11=48 Moving to Node #0,1,0 Current State: 48:[1, 48], Operations: ['60/60=1', '59-11=48'] Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[60, 60, 59, 11], Operations: [] Exploring Operation: 60/60=1, Resulting Numbers: [59, 11, 1] Generated Node #0,1: 48:[59, 11, 1] Operation: 60/60=1 Moving to Node #0,1 Current State: 48:[59, 11, 1], Operations: ['60/60=1'] Exploring Operation: 59-11=48, Resulting Numbers: [1, 48] Generated Node #0,1,0: 48:[1, 48] Operation: 59-11=48 Moving to Node #0,1,0 Current State: 48:[1, 48], Operations: ['60/60=1', '59-11=48'] Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
0.990451
hs_2
sum_heuristic
[ 38, 86, 29, 66 ]
86
[ "38+29=67", "67-66=1", "86*1=86" ]
Current State: 86:[38, 86, 29, 66], Operations: [] Exploring Operation: 38+29=67, Resulting Numbers: [86, 66, 67] Generated Node #2: [86, 66, 67] from Operation: 38+29=67 Current State: 86:[86, 66, 67], Operations: ['38+29=67'] Exploring Operation: 67-66=1, Resulting Numbers: [86, 1] Generated Node #3: [86, 1] from Operation: 67-66=1 Current State: 86:[86, 1], Operations: ['38+29=67', '67-66=1'] Exploring Operation: 86*1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[38, 86, 29, 66], Operations: [] Exploring Operation: 29+66=95, Resulting Numbers: [38, 86, 95] Generated Node #0,0: 86:[38, 86, 95] Operation: 29+66=95 Exploring Operation: 38-29=9, Resulting Numbers: [86, 66, 9] Generated Node #0,1: 86:[86, 66, 9] Operation: 38-29=9 Exploring Operation: 66-29=37, Resulting Numbers: [38, 86, 37] Generated Node #0,2: 86:[38, 86, 37] Operation: 66-29=37 Exploring Operation: 38+66=104, Resulting Numbers: [86, 29, 104] Generated Node #0,3: 86:[86, 29, 104] Operation: 38+66=104 Exploring Operation: 66-38=28, Resulting Numbers: [86, 29, 28] Generated Node #0,4: 86:[86, 29, 28] Operation: 66-38=28 Moving to Node #0,2 Current State: 86:[38, 86, 37], Operations: ['66-29=37'] Exploring Operation: 38-37=1, Resulting Numbers: [86, 1] Generated Node #0,2,0: 86:[86, 1] Operation: 38-37=1 Exploring Operation: 86+37=123, Resulting Numbers: [38, 123] Generated Node #0,2,1: 86:[38, 123] Operation: 86+37=123 Exploring Operation: 86-38=48, Resulting Numbers: [37, 48] Generated Node #0,2,2: 86:[37, 48] Operation: 86-38=48 Exploring Operation: 38+37=75, Resulting Numbers: [86, 75] Generated Node #0,2,3: 86:[86, 75] Operation: 38+37=75 Exploring Operation: 86-37=49, Resulting Numbers: [38, 49] Generated Node #0,2,4: 86:[38, 49] Operation: 86-37=49 Moving to Node #0,0 Current State: 86:[38, 86, 95], Operations: ['29+66=95'] Exploring Operation: 38+95=133, Resulting Numbers: [86, 133] Generated Node #0,0,0: 86:[86, 133] Operation: 38+95=133 Exploring Operation: 86-38=48, Resulting Numbers: [95, 48] Generated Node #0,0,1: 86:[95, 48] Operation: 86-38=48 Exploring Operation: 38+86=124, Resulting Numbers: [95, 124] Generated Node #0,0,2: 86:[95, 124] Operation: 38+86=124 Exploring Operation: 95-86=9, Resulting Numbers: [38, 9] Generated Node #0,0,3: 86:[38, 9] Operation: 95-86=9 Exploring Operation: 95-38=57, Resulting Numbers: [86, 57] Generated Node #0,0,4: 86:[86, 57] Operation: 95-38=57 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 86:[38, 9], Operations: ['29+66=95', '95-86=9'] Exploring Operation: 38+9=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 38*9=342, Resulting Numbers: [342] 342,86 unequal: No Solution Exploring Operation: 38-9=29, Resulting Numbers: [29] 29,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 86:[95, 48], Operations: ['29+66=95', '86-38=48'] Exploring Operation: 95-48=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 95+48=143, Resulting Numbers: [143] 143,86 unequal: No Solution Exploring Operation: 95*48=4560, Resulting Numbers: [4560] 4560,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 86:[86, 57], Operations: ['29+66=95', '95-38=57'] Exploring Operation: 86+57=143, Resulting Numbers: [143] 143,86 unequal: No Solution Exploring Operation: 86*57=4902, Resulting Numbers: [4902] 4902,86 unequal: No Solution Exploring Operation: 86-57=29, Resulting Numbers: [29] 29,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 86:[86, 133], Operations: ['29+66=95', '38+95=133'] Exploring Operation: 133-86=47, Resulting Numbers: [47] 47,86 unequal: No Solution Exploring Operation: 86+133=219, Resulting Numbers: [219] 219,86 unequal: No Solution Exploring Operation: 86*133=11438, Resulting Numbers: [11438] 11438,86 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 86:[95, 124], Operations: ['29+66=95', '38+86=124'] Exploring Operation: 95+124=219, Resulting Numbers: [219] 219,86 unequal: No Solution Exploring Operation: 95*124=11780, Resulting Numbers: [11780] 11780,86 unequal: No Solution Exploring Operation: 124-95=29, Resulting Numbers: [29] 29,86 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: 86:[86, 66, 9], Operations: ['38-29=9'] Exploring Operation: 66+9=75, Resulting Numbers: [86, 75] Generated Node #0,1,0: 86:[86, 75] Operation: 66+9=75 Exploring Operation: 86+9=95, Resulting Numbers: [66, 95] Generated Node #0,1,1: 86:[66, 95] Operation: 86+9=95 Exploring Operation: 86-9=77, Resulting Numbers: [66, 77] Generated Node #0,1,2: 86:[66, 77] Operation: 86-9=77 Exploring Operation: 86-66=20, Resulting Numbers: [9, 20] Generated Node #0,1,3: 86:[9, 20] Operation: 86-66=20 Exploring Operation: 66-9=57, Resulting Numbers: [86, 57] Generated Node #0,1,4: 86:[86, 57] Operation: 66-9=57 Moving to Node #0,4 Current State: 86:[86, 29, 28], Operations: ['66-38=28'] Exploring Operation: 29-28=1, Resulting Numbers: [86, 1] Generated Node #0,4,0: 86:[86, 1] Operation: 29-28=1 Exploring Operation: 86-29=57, Resulting Numbers: [28, 57] Generated Node #0,4,1: 86:[28, 57] Operation: 86-29=57 Exploring Operation: 86-28=58, Resulting Numbers: [29, 58] Generated Node #0,4,2: 86:[29, 58] Operation: 86-28=58 Exploring Operation: 29+28=57, Resulting Numbers: [86, 57] Generated Node #0,4,3: 86:[86, 57] Operation: 29+28=57 Exploring Operation: 86+28=114, Resulting Numbers: [29, 114] Generated Node #0,4,4: 86:[29, 114] Operation: 86+28=114 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 86:[86, 1], Operations: ['66-38=28', '29-28=1'] Exploring Operation: 86-1=85, Resulting Numbers: [85] 85,86 unequal: No Solution Exploring Operation: 86*1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Moving to Node #0 Current State: 86:[38, 86, 29, 66], Operations: [] Exploring Operation: 66-38=28, Resulting Numbers: [86, 29, 28] Generated Node #0,4: 86:[86, 29, 28] Operation: 66-38=28 Moving to Node #0,4 Current State: 86:[86, 29, 28], Operations: ['66-38=28'] Exploring Operation: 29-28=1, Resulting Numbers: [86, 1] Generated Node #0,4,0: 86:[86, 1] Operation: 29-28=1 Moving to Node #0,4,0 Current State: 86:[86, 1], Operations: ['66-38=28', '29-28=1'] Exploring Operation: 86*1=86, Resulting Numbers: [86] 86,86 equal: Goal Reached Exit Sub Search at level 1
0.960069
hs_5
mult_heuristic
[ 44, 29, 21, 21 ]
14
[ "44-29=15", "21/21=1", "15-1=14" ]
Current State: 14:[44, 29, 21, 21], Operations: [] Exploring Operation: 44-29=15, Resulting Numbers: [21, 21, 15] Generated Node #2: [21, 21, 15] from Operation: 44-29=15 Current State: 14:[21, 21, 15], Operations: ['44-29=15'] Exploring Operation: 21/21=1, Resulting Numbers: [15, 1] Generated Node #3: [15, 1] from Operation: 21/21=1 Current State: 14:[15, 1], Operations: ['44-29=15', '21/21=1'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[44, 29, 21, 21], Operations: [] Exploring Operation: 44-21=23, Resulting Numbers: [29, 21, 23] Generated Node #0,0: 14:[29, 21, 23] Operation: 44-21=23 Exploring Operation: 44-21=23, Resulting Numbers: [29, 21, 23] Generated Node #0,1: 14:[29, 21, 23] Operation: 44-21=23 Exploring Operation: 29-21=8, Resulting Numbers: [44, 21, 8] Generated Node #0,2: 14:[44, 21, 8] Operation: 29-21=8 Exploring Operation: 29-21=8, Resulting Numbers: [44, 21, 8] Generated Node #0,3: 14:[44, 21, 8] Operation: 29-21=8 Exploring Operation: 44-29=15, Resulting Numbers: [21, 21, 15] Generated Node #0,4: 14:[21, 21, 15] Operation: 44-29=15 Start Sub Search at level 1: Moving to Node #0,4 Current State: 14:[21, 21, 15], Operations: ['44-29=15'] Exploring Operation: 21-15=6, Resulting Numbers: [21, 6] Generated Node #0,4,0: 14:[21, 6] Operation: 21-15=6 Exploring Operation: 21/21=1, Resulting Numbers: [15, 1] Generated Node #0,4,1: 14:[15, 1] Operation: 21/21=1 Exploring Operation: 21-15=6, Resulting Numbers: [21, 6] Generated Node #0,4,2: 14:[21, 6] Operation: 21-15=6 Exploring Operation: 21+21=42, Resulting Numbers: [15, 42] Generated Node #0,4,3: 14:[15, 42] Operation: 21+21=42 Exploring Operation: 21-21=0, Resulting Numbers: [15, 0] Generated Node #0,4,4: 14:[15, 0] Operation: 21-21=0 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 14:[15, 1], Operations: ['44-29=15', '21/21=1'] Exploring Operation: 15+1=16, Resulting Numbers: [16] 16,14 unequal: No Solution Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[44, 29, 21, 21], Operations: [] Exploring Operation: 44-29=15, Resulting Numbers: [21, 21, 15] Generated Node #0,4: 14:[21, 21, 15] Operation: 44-29=15 Moving to Node #0,4 Current State: 14:[21, 21, 15], Operations: ['44-29=15'] Exploring Operation: 21/21=1, Resulting Numbers: [15, 1] Generated Node #0,4,1: 14:[15, 1] Operation: 21/21=1 Moving to Node #0,4,1 Current State: 14:[15, 1], Operations: ['44-29=15', '21/21=1'] Exploring Operation: 15-1=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic
[ 75, 23, 52, 83 ]
67
[ "75+23=98", "83-52=31", "98-31=67" ]
Current State: 67:[75, 23, 52, 83], Operations: [] Exploring Operation: 75+23=98, Resulting Numbers: [52, 83, 98] Generated Node #2: [52, 83, 98] from Operation: 75+23=98 Current State: 67:[52, 83, 98], Operations: ['75+23=98'] Exploring Operation: 83-52=31, Resulting Numbers: [98, 31] Generated Node #3: [98, 31] from Operation: 83-52=31 Current State: 67:[98, 31], Operations: ['75+23=98', '83-52=31'] Exploring Operation: 98-31=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[75, 23, 52, 83], Operations: [] Exploring Operation: 83-23=60, Resulting Numbers: [75, 52, 60] Generated Node #0,0: 67:[75, 52, 60] Operation: 83-23=60 Exploring Operation: 23+52=75, Resulting Numbers: [75, 83, 75] Generated Node #0,1: 67:[75, 83, 75] Operation: 23+52=75 Exploring Operation: 75-23=52, Resulting Numbers: [52, 83, 52] Generated Node #0,2: 67:[52, 83, 52] Operation: 75-23=52 Start Sub Search at level 1: Moving to Node #0,0 Current State: 67:[75, 52, 60], Operations: ['83-23=60'] Exploring Operation: 75-52=23, Resulting Numbers: [60, 23] Generated Node #0,0,0: 67:[60, 23] Operation: 75-52=23 Exploring Operation: 52+60=112, Resulting Numbers: [75, 112] Generated Node #0,0,1: 67:[75, 112] Operation: 52+60=112 Exploring Operation: 75+52=127, Resulting Numbers: [60, 127] Generated Node #0,0,2: 67:[60, 127] Operation: 75+52=127 Moving to Node #0,0,0 Current State: 67:[60, 23], Operations: ['83-23=60', '75-52=23'] Exploring Operation: 60-23=37, Resulting Numbers: [37] 37,67 unequal: No Solution Exploring Operation: 60+23=83, Resulting Numbers: [83] 83,67 unequal: No Solution Exploring Operation: 60*23=1380, Resulting Numbers: [1380] 1380,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[75, 112], Operations: ['83-23=60', '52+60=112'] Exploring Operation: 75*112=8400, Resulting Numbers: [8400] 8400,67 unequal: No Solution Exploring Operation: 75+112=187, Resulting Numbers: [187] 187,67 unequal: No Solution Exploring Operation: 112-75=37, Resulting Numbers: [37] 37,67 unequal: No Solution Moving to Node #0,0,2 Current State: 67:[60, 127], Operations: ['83-23=60', '75+52=127'] Exploring Operation: 127-60=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[75, 23, 52, 83], Operations: [] Exploring Operation: 83-23=60, Resulting Numbers: [75, 52, 60] Generated Node #0,0: 67:[75, 52, 60] Operation: 83-23=60 Moving to Node #0,0 Current State: 67:[75, 52, 60], Operations: ['83-23=60'] Exploring Operation: 75+52=127, Resulting Numbers: [60, 127] Generated Node #0,0,2: 67:[60, 127] Operation: 75+52=127 Moving to Node #0,0,2 Current State: 67:[60, 127], Operations: ['83-23=60', '75+52=127'] Exploring Operation: 127-60=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_3
mult_heuristic
[ 36, 62, 31, 50 ]
17
[ "36+62=98", "31+50=81", "98-81=17" ]
Current State: 17:[36, 62, 31, 50], Operations: [] Exploring Operation: 36+62=98, Resulting Numbers: [31, 50, 98] Generated Node #2: [31, 50, 98] from Operation: 36+62=98 Current State: 17:[31, 50, 98], Operations: ['36+62=98'] Exploring Operation: 31+50=81, Resulting Numbers: [98, 81] Generated Node #3: [98, 81] from Operation: 31+50=81 Current State: 17:[98, 81], Operations: ['36+62=98', '31+50=81'] Exploring Operation: 98-81=17, Resulting Numbers: [17] 17,17 equal: Goal Reached
4
Current State: 17:[36, 62, 31, 50], Operations: [] Exploring Operation: 62-36=26, Resulting Numbers: [31, 50, 26] Generated Node #0,0: 17:[31, 50, 26] Operation: 62-36=26 Exploring Operation: 62-50=12, Resulting Numbers: [36, 31, 12] Generated Node #0,1: 17:[36, 31, 12] Operation: 62-50=12 Exploring Operation: 50-36=14, Resulting Numbers: [62, 31, 14] Generated Node #0,2: 17:[62, 31, 14] Operation: 50-36=14 Exploring Operation: 62-31=31, Resulting Numbers: [36, 50, 31] Generated Node #0,3: 17:[36, 50, 31] Operation: 62-31=31 Moving to Node #0,1 Current State: 17:[36, 31, 12], Operations: ['62-50=12'] Exploring Operation: 36/12=3, Resulting Numbers: [31, 3] Generated Node #0,1,0: 17:[31, 3] Operation: 36/12=3 Exploring Operation: 31-12=19, Resulting Numbers: [36, 19] Generated Node #0,1,1: 17:[36, 19] Operation: 31-12=19 Exploring Operation: 36-31=5, Resulting Numbers: [12, 5] Generated Node #0,1,2: 17:[12, 5] Operation: 36-31=5 Exploring Operation: 36-12=24, Resulting Numbers: [31, 24] Generated Node #0,1,3: 17:[31, 24] Operation: 36-12=24 Moving to Node #0,0 Current State: 17:[31, 50, 26], Operations: ['62-36=26'] Exploring Operation: 31-26=5, Resulting Numbers: [50, 5] Generated Node #0,0,0: 17:[50, 5] Operation: 31-26=5 Exploring Operation: 50-26=24, Resulting Numbers: [31, 24] Generated Node #0,0,1: 17:[31, 24] Operation: 50-26=24 Exploring Operation: 50-31=19, Resulting Numbers: [26, 19] Generated Node #0,0,2: 17:[26, 19] Operation: 50-31=19 Exploring Operation: 31+50=81, Resulting Numbers: [26, 81] Generated Node #0,0,3: 17:[26, 81] Operation: 31+50=81 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 17:[26, 19], Operations: ['62-36=26', '50-31=19'] Exploring Operation: 26-19=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 26+19=45, Resulting Numbers: [45] 45,17 unequal: No Solution Exploring Operation: 26*19=494, Resulting Numbers: [494] 494,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 17:[31, 24], Operations: ['62-36=26', '50-26=24'] Exploring Operation: 31*24=744, Resulting Numbers: [744] 744,17 unequal: No Solution Exploring Operation: 31-24=7, Resulting Numbers: [7] 7,17 unequal: No Solution Exploring Operation: 31+24=55, Resulting Numbers: [55] 55,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 17:[50, 5], Operations: ['62-36=26', '31-26=5'] Exploring Operation: 50*5=250, Resulting Numbers: [250] 250,17 unequal: No Solution Exploring Operation: 50+5=55, Resulting Numbers: [55] 55,17 unequal: No Solution Exploring Operation: 50-5=45, Resulting Numbers: [45] 45,17 unequal: No Solution Exploring Operation: 50/5=10, Resulting Numbers: [10] 10,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 17:[26, 81], Operations: ['62-36=26', '31+50=81'] Exploring Operation: 81-26=55, Resulting Numbers: [55] 55,17 unequal: No Solution Exploring Operation: 26+81=107, Resulting Numbers: [107] 107,17 unequal: No Solution Exploring Operation: 26*81=2106, Resulting Numbers: [2106] 2106,17 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 17:[62, 31, 14], Operations: ['50-36=14'] Exploring Operation: 62/31=2, Resulting Numbers: [14, 2] Generated Node #0,2,0: 17:[14, 2] Operation: 62/31=2 Exploring Operation: 62-14=48, Resulting Numbers: [31, 48] Generated Node #0,2,1: 17:[31, 48] Operation: 62-14=48 Exploring Operation: 62-31=31, Resulting Numbers: [14, 31] Generated Node #0,2,2: 17:[14, 31] Operation: 62-31=31 Exploring Operation: 31-14=17, Resulting Numbers: [62, 17] Generated Node #0,2,3: 17:[62, 17] Operation: 31-14=17 Moving to Node #0,3 Current State: 17:[36, 50, 31], Operations: ['62-31=31'] Exploring Operation: 36-31=5, Resulting Numbers: [50, 5] Generated Node #0,3,0: 17:[50, 5] Operation: 36-31=5 Exploring Operation: 50-36=14, Resulting Numbers: [31, 14] Generated Node #0,3,1: 17:[31, 14] Operation: 50-36=14 Exploring Operation: 50-31=19, Resulting Numbers: [36, 19] Generated Node #0,3,2: 17:[36, 19] Operation: 50-31=19 Exploring Operation: 36+50=86, Resulting Numbers: [31, 86] Generated Node #0,3,3: 17:[31, 86] Operation: 36+50=86 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 17:[31, 14], Operations: ['62-31=31', '50-36=14'] Exploring Operation: 31+14=45, Resulting Numbers: [45] 45,17 unequal: No Solution Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Moving to Node #0 Current State: 17:[36, 62, 31, 50], Operations: [] Exploring Operation: 62-31=31, Resulting Numbers: [36, 50, 31] Generated Node #0,3: 17:[36, 50, 31] Operation: 62-31=31 Moving to Node #0,3 Current State: 17:[36, 50, 31], Operations: ['62-31=31'] Exploring Operation: 50-36=14, Resulting Numbers: [31, 14] Generated Node #0,3,1: 17:[31, 14] Operation: 50-36=14 Moving to Node #0,3,1 Current State: 17:[31, 14], Operations: ['62-31=31', '50-36=14'] Exploring Operation: 31-14=17, Resulting Numbers: [17] 17,17 equal: Goal Reached Exit Sub Search at level 1
0.966146
hs_4
sum_heuristic
[ 48, 79, 18, 1 ]
48
[ "79-48=31", "18-1=17", "31+17=48" ]
Current State: 48:[48, 79, 18, 1], Operations: [] Exploring Operation: 79-48=31, Resulting Numbers: [18, 1, 31] Generated Node #2: [18, 1, 31] from Operation: 79-48=31 Current State: 48:[18, 1, 31], Operations: ['79-48=31'] Exploring Operation: 18-1=17, Resulting Numbers: [31, 17] Generated Node #3: [31, 17] from Operation: 18-1=17 Current State: 48:[31, 17], Operations: ['79-48=31', '18-1=17'] Exploring Operation: 31+17=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[48, 79, 18, 1], Operations: [] Exploring Operation: 79-18=61, Resulting Numbers: [48, 1, 61] Generated Node #0,0: 48:[48, 1, 61] Operation: 79-18=61 Exploring Operation: 79-48=31, Resulting Numbers: [18, 1, 31] Generated Node #0,1: 48:[18, 1, 31] Operation: 79-48=31 Exploring Operation: 79-1=78, Resulting Numbers: [48, 18, 78] Generated Node #0,2: 48:[48, 18, 78] Operation: 79-1=78 Exploring Operation: 48*1=48, Resulting Numbers: [79, 18, 48] Generated Node #0,3: 48:[79, 18, 48] Operation: 48*1=48 Exploring Operation: 18-1=17, Resulting Numbers: [48, 79, 17] Generated Node #0,4: 48:[48, 79, 17] Operation: 18-1=17 Moving to Node #0,1 Current State: 48:[18, 1, 31], Operations: ['79-48=31'] Exploring Operation: 18+31=49, Resulting Numbers: [1, 49] Generated Node #0,1,0: 48:[1, 49] Operation: 18+31=49 Exploring Operation: 18-1=17, Resulting Numbers: [31, 17] Generated Node #0,1,1: 48:[31, 17] Operation: 18-1=17 Exploring Operation: 31-1=30, Resulting Numbers: [18, 30] Generated Node #0,1,2: 48:[18, 30] Operation: 31-1=30 Exploring Operation: 31-18=13, Resulting Numbers: [1, 13] Generated Node #0,1,3: 48:[1, 13] Operation: 31-18=13 Exploring Operation: 18*1=18, Resulting Numbers: [31, 18] Generated Node #0,1,4: 48:[31, 18] Operation: 18*1=18 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[1, 49], Operations: ['79-48=31', '18+31=49'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[48, 79, 18, 1], Operations: [] Exploring Operation: 79-48=31, Resulting Numbers: [18, 1, 31] Generated Node #0,1: 48:[18, 1, 31] Operation: 79-48=31 Moving to Node #0,1 Current State: 48:[18, 1, 31], Operations: ['79-48=31'] Exploring Operation: 18+31=49, Resulting Numbers: [1, 49] Generated Node #0,1,0: 48:[1, 49] Operation: 18+31=49 Moving to Node #0,1,0 Current State: 48:[1, 49], Operations: ['79-48=31', '18+31=49'] Exploring Operation: 49-1=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 62, 90, 57, 71 ]
59
[ "90-71=19", "57/19=3", "62-3=59" ]
Current State: 59:[62, 90, 57, 71], Operations: [] Exploring Operation: 90-71=19, Resulting Numbers: [62, 57, 19] Generated Node #2: [62, 57, 19] from Operation: 90-71=19 Current State: 59:[62, 57, 19], Operations: ['90-71=19'] Exploring Operation: 57/19=3, Resulting Numbers: [62, 3] Generated Node #3: [62, 3] from Operation: 57/19=3 Current State: 59:[62, 3], Operations: ['90-71=19', '57/19=3'] Exploring Operation: 62-3=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[62, 90, 57, 71], Operations: [] Exploring Operation: 90-62=28, Resulting Numbers: [57, 71, 28] Generated Node #0,0: 59:[57, 71, 28] Operation: 90-62=28 Exploring Operation: 90-71=19, Resulting Numbers: [62, 57, 19] Generated Node #0,1: 59:[62, 57, 19] Operation: 90-71=19 Exploring Operation: 90-57=33, Resulting Numbers: [62, 71, 33] Generated Node #0,2: 59:[62, 71, 33] Operation: 90-57=33 Moving to Node #0,2 Current State: 59:[62, 71, 33], Operations: ['90-57=33'] Exploring Operation: 71-33=38, Resulting Numbers: [62, 38] Generated Node #0,2,0: 59:[62, 38] Operation: 71-33=38 Exploring Operation: 62+33=95, Resulting Numbers: [71, 95] Generated Node #0,2,1: 59:[71, 95] Operation: 62+33=95 Exploring Operation: 62-33=29, Resulting Numbers: [71, 29] Generated Node #0,2,2: 59:[71, 29] Operation: 62-33=29 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 59:[62, 38], Operations: ['90-57=33', '71-33=38'] Exploring Operation: 62*38=2356, Resulting Numbers: [2356] 2356,59 unequal: No Solution Exploring Operation: 62+38=100, Resulting Numbers: [100] 100,59 unequal: No Solution Exploring Operation: 62-38=24, Resulting Numbers: [24] 24,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 59:[71, 29], Operations: ['90-57=33', '62-33=29'] Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,59 unequal: No Solution Exploring Operation: 71*29=2059, Resulting Numbers: [2059] 2059,59 unequal: No Solution Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,59 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 59:[71, 95], Operations: ['90-57=33', '62+33=95'] Exploring Operation: 71*95=6745, Resulting Numbers: [6745] 6745,59 unequal: No Solution Exploring Operation: 95-71=24, Resulting Numbers: [24] 24,59 unequal: No Solution Exploring Operation: 71+95=166, Resulting Numbers: [166] 166,59 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: 59:[57, 71, 28], Operations: ['90-62=28'] Exploring Operation: 71-28=43, Resulting Numbers: [57, 43] Generated Node #0,0,0: 59:[57, 43] Operation: 71-28=43 Exploring Operation: 57-28=29, Resulting Numbers: [71, 29] Generated Node #0,0,1: 59:[71, 29] Operation: 57-28=29 Exploring Operation: 57+28=85, Resulting Numbers: [71, 85] Generated Node #0,0,2: 59:[71, 85] Operation: 57+28=85 Moving to Node #0,1 Current State: 59:[62, 57, 19], Operations: ['90-71=19'] Exploring Operation: 62-19=43, Resulting Numbers: [57, 43] Generated Node #0,1,0: 59:[57, 43] Operation: 62-19=43 Exploring Operation: 62+19=81, Resulting Numbers: [57, 81] Generated Node #0,1,1: 59:[57, 81] Operation: 62+19=81 Exploring Operation: 57+19=76, Resulting Numbers: [62, 76] Generated Node #0,1,2: 59:[62, 76] Operation: 57+19=76 Moving to Node #0,0,0 Current State: 59:[57, 43], Operations: ['90-62=28', '71-28=43'] Exploring Operation: 57*43=2451, Resulting Numbers: [2451] 2451,59 unequal: No Solution Exploring Operation: 57+43=100, Resulting Numbers: [100] 100,59 unequal: No Solution Exploring Operation: 57-43=14, Resulting Numbers: [14] 14,59 unequal: No Solution Moving to Node #0,1,0 Current State: 59:[57, 43], Operations: ['90-71=19', '62-19=43'] Exploring Operation: 57-43=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 57*43=2451, Resulting Numbers: [2451] 2451,59 unequal: No Solution Exploring Operation: 57+43=100, Resulting Numbers: [100] 100,59 unequal: No Solution Moving to Node #0,1,2 Current State: 59:[62, 76], Operations: ['90-71=19', '57+19=76'] Exploring Operation: 76-62=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 62*76=4712, Resulting Numbers: [4712] 4712,59 unequal: No Solution Exploring Operation: 62+76=138, Resulting Numbers: [138] 138,59 unequal: No Solution Moving to Node #0,1,1 Current State: 59:[57, 81], Operations: ['90-71=19', '62+19=81'] Exploring Operation: 81-57=24, Resulting Numbers: [24] 24,59 unequal: No Solution Exploring Operation: 57*81=4617, Resulting Numbers: [4617] 4617,59 unequal: No Solution Exploring Operation: 57+81=138, Resulting Numbers: [138] 138,59 unequal: No Solution Moving to Node #0,0,2 Current State: 59:[71, 85], Operations: ['90-62=28', '57+28=85'] Exploring Operation: 85-71=14, Resulting Numbers: [14] 14,59 unequal: No Solution Exploring Operation: 71+85=156, Resulting Numbers: [156] 156,59 unequal: No Solution Exploring Operation: 71*85=6035, Resulting Numbers: [6035] 6035,59 unequal: No Solution Moving to Node #0,0,1 Current State: 59:[71, 29], Operations: ['90-62=28', '57-28=29'] Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,59 unequal: No Solution Exploring Operation: 71*29=2059, Resulting Numbers: [2059] 2059,59 unequal: No Solution Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,59 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 23, 24, 58, 17 ]
62
[ "23-17=6", "24/6=4", "58+4=62" ]
Current State: 62:[23, 24, 58, 17], Operations: [] Exploring Operation: 23-17=6, Resulting Numbers: [24, 58, 6] Generated Node #2: [24, 58, 6] from Operation: 23-17=6 Current State: 62:[24, 58, 6], Operations: ['23-17=6'] Exploring Operation: 24/6=4, Resulting Numbers: [58, 4] Generated Node #3: [58, 4] from Operation: 24/6=4 Current State: 62:[58, 4], Operations: ['23-17=6', '24/6=4'] Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[23, 24, 58, 17], Operations: [] Exploring Operation: 24-23=1, Resulting Numbers: [58, 17, 1] Generated Node #0,0: 62:[58, 17, 1] Operation: 24-23=1 Exploring Operation: 23+17=40, Resulting Numbers: [24, 58, 40] Generated Node #0,1: 62:[24, 58, 40] Operation: 23+17=40 Exploring Operation: 24-17=7, Resulting Numbers: [23, 58, 7] Generated Node #0,2: 62:[23, 58, 7] Operation: 24-17=7 Exploring Operation: 23-17=6, Resulting Numbers: [24, 58, 6] Generated Node #0,3: 62:[24, 58, 6] Operation: 23-17=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 62:[24, 58, 6], Operations: ['23-17=6'] Exploring Operation: 24/6=4, Resulting Numbers: [58, 4] Generated Node #0,3,0: 62:[58, 4] Operation: 24/6=4 Exploring Operation: 58-24=34, Resulting Numbers: [6, 34] Generated Node #0,3,1: 62:[6, 34] Operation: 58-24=34 Exploring Operation: 24+6=30, Resulting Numbers: [58, 30] Generated Node #0,3,2: 62:[58, 30] Operation: 24+6=30 Exploring Operation: 58+6=64, Resulting Numbers: [24, 64] Generated Node #0,3,3: 62:[24, 64] Operation: 58+6=64 Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 62:[58, 30], Operations: ['23-17=6', '24+6=30'] Exploring Operation: 58+30=88, Resulting Numbers: [88] 88,62 unequal: No Solution Exploring Operation: 58*30=1740, Resulting Numbers: [1740] 1740,62 unequal: No Solution Exploring Operation: 58-30=28, Resulting Numbers: [28] 28,62 unequal: No Solution No 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: 62:[58, 4], Operations: ['23-17=6', '24/6=4'] Exploring Operation: 58-4=54, Resulting Numbers: [54] 54,62 unequal: No Solution Exploring Operation: 58*4=232, Resulting Numbers: [232] 232,62 unequal: No Solution Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[23, 24, 58, 17], Operations: [] Exploring Operation: 23-17=6, Resulting Numbers: [24, 58, 6] Generated Node #0,3: 62:[24, 58, 6] Operation: 23-17=6 Moving to Node #0,3 Current State: 62:[24, 58, 6], Operations: ['23-17=6'] Exploring Operation: 24/6=4, Resulting Numbers: [58, 4] Generated Node #0,3,0: 62:[58, 4] Operation: 24/6=4 Moving to Node #0,3,0 Current State: 62:[58, 4], Operations: ['23-17=6', '24/6=4'] Exploring Operation: 58+4=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 84, 29, 4, 31 ]
28
[ "84-29=55", "31-4=27", "55-27=28" ]
Current State: 28:[84, 29, 4, 31], Operations: [] Exploring Operation: 84-29=55, Resulting Numbers: [4, 31, 55] Generated Node #2: [4, 31, 55] from Operation: 84-29=55 Current State: 28:[4, 31, 55], Operations: ['84-29=55'] Exploring Operation: 31-4=27, Resulting Numbers: [55, 27] Generated Node #3: [55, 27] from Operation: 31-4=27 Current State: 28:[55, 27], Operations: ['84-29=55', '31-4=27'] Exploring Operation: 55-27=28, Resulting Numbers: [28] 28,28 equal: Goal Reached
4
Current State: 28:[84, 29, 4, 31], Operations: [] Exploring Operation: 84/4=21, Resulting Numbers: [29, 31, 21] Generated Node #0,0: 28:[29, 31, 21] Operation: 84/4=21 Exploring Operation: 84-31=53, Resulting Numbers: [29, 4, 53] Generated Node #0,1: 28:[29, 4, 53] Operation: 84-31=53 Moving to Node #0,0 Current State: 28:[29, 31, 21], Operations: ['84/4=21'] Exploring Operation: 31-21=10, Resulting Numbers: [29, 10] Generated Node #0,0,0: 28:[29, 10] Operation: 31-21=10 Exploring Operation: 29-21=8, Resulting Numbers: [31, 8] Generated Node #0,0,1: 28:[31, 8] Operation: 29-21=8 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 28:[29, 10], Operations: ['84/4=21', '31-21=10'] Exploring Operation: 29+10=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 29-10=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 #0,0,1 Current State: 28:[31, 8], Operations: ['84/4=21', '29-21=8'] Exploring Operation: 31+8=39, Resulting Numbers: [39] 39,28 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,28 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:[29, 4, 53], Operations: ['84-31=53'] Exploring Operation: 53-29=24, Resulting Numbers: [4, 24] Generated Node #0,1,0: 28:[4, 24] Operation: 53-29=24 Exploring Operation: 53-4=49, Resulting Numbers: [29, 49] Generated Node #0,1,1: 28:[29, 49] Operation: 53-4=49 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 28:[4, 24], Operations: ['84-31=53', '53-29=24'] Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,28 unequal: No Solution Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Moving to Node #0 Current State: 28:[84, 29, 4, 31], Operations: [] Exploring Operation: 84-31=53, Resulting Numbers: [29, 4, 53] Generated Node #0,1: 28:[29, 4, 53] Operation: 84-31=53 Moving to Node #0,1 Current State: 28:[29, 4, 53], Operations: ['84-31=53'] Exploring Operation: 53-29=24, Resulting Numbers: [4, 24] Generated Node #0,1,0: 28:[4, 24] Operation: 53-29=24 Moving to Node #0,1,0 Current State: 28:[4, 24], Operations: ['84-31=53', '53-29=24'] Exploring Operation: 4+24=28, Resulting Numbers: [28] 28,28 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 17, 77, 34, 68 ]
94
[ "77-17=60", "68-34=34", "60+34=94" ]
Current State: 94:[17, 77, 34, 68], Operations: [] Exploring Operation: 77-17=60, Resulting Numbers: [34, 68, 60] Generated Node #2: [34, 68, 60] from Operation: 77-17=60 Current State: 94:[34, 68, 60], Operations: ['77-17=60'] Exploring Operation: 68-34=34, Resulting Numbers: [60, 34] Generated Node #3: [60, 34] from Operation: 68-34=34 Current State: 94:[60, 34], Operations: ['77-17=60', '68-34=34'] Exploring Operation: 60+34=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[17, 77, 34, 68], Operations: [] Exploring Operation: 77-68=9, Resulting Numbers: [17, 34, 9] Generated Node #0,0: 94:[17, 34, 9] Operation: 77-68=9 Exploring Operation: 68/34=2, Resulting Numbers: [17, 77, 2] Generated Node #0,1: 94:[17, 77, 2] Operation: 68/34=2 Exploring Operation: 68/17=4, Resulting Numbers: [77, 34, 4] Generated Node #0,2: 94:[77, 34, 4] Operation: 68/17=4 Exploring Operation: 17+77=94, Resulting Numbers: [34, 68, 94] Generated Node #0,3: 94:[34, 68, 94] Operation: 17+77=94 Exploring Operation: 68-17=51, Resulting Numbers: [77, 34, 51] Generated Node #0,4: 94:[77, 34, 51] Operation: 68-17=51 Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[17, 77, 2], Operations: ['68/34=2'] Exploring Operation: 77-17=60, Resulting Numbers: [2, 60] Generated Node #0,1,0: 94:[2, 60] Operation: 77-17=60 Exploring Operation: 17-2=15, Resulting Numbers: [77, 15] Generated Node #0,1,1: 94:[77, 15] Operation: 17-2=15 Exploring Operation: 17+77=94, Resulting Numbers: [2, 94] Generated Node #0,1,2: 94:[2, 94] Operation: 17+77=94 Exploring Operation: 17*2=34, Resulting Numbers: [77, 34] Generated Node #0,1,3: 94:[77, 34] Operation: 17*2=34 Exploring Operation: 77+2=79, Resulting Numbers: [17, 79] Generated Node #0,1,4: 94:[17, 79] Operation: 77+2=79 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 94:[2, 94], Operations: ['68/34=2', '17+77=94'] Exploring Operation: 2+94=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 2*94=188, Resulting Numbers: [188] 188,94 unequal: No Solution Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 94:[2, 60], Operations: ['68/34=2', '77-17=60'] Exploring Operation: 2+60=62, Resulting Numbers: [62] 62,94 unequal: No Solution Exploring Operation: 2*60=120, Resulting Numbers: [120] 120,94 unequal: No Solution Exploring Operation: 60/2=30, Resulting Numbers: [30] 30,94 unequal: No Solution Exploring Operation: 60-2=58, Resulting Numbers: [58] 58,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 94:[77, 15], Operations: ['68/34=2', '17-2=15'] Exploring Operation: 77-15=62, Resulting Numbers: [62] 62,94 unequal: No Solution Exploring Operation: 77+15=92, Resulting Numbers: [92] 92,94 unequal: No Solution Exploring Operation: 77*15=1155, Resulting Numbers: [1155] 1155,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 94:[77, 34], Operations: ['68/34=2', '17*2=34'] Exploring Operation: 77*34=2618, Resulting Numbers: [2618] 2618,94 unequal: No Solution Exploring Operation: 77-34=43, Resulting Numbers: [43] 43,94 unequal: No Solution Exploring Operation: 77+34=111, Resulting Numbers: [111] 111,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 94:[17, 79], Operations: ['68/34=2', '77+2=79'] Exploring Operation: 79-17=62, Resulting Numbers: [62] 62,94 unequal: No Solution Exploring Operation: 17+79=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 17*79=1343, Resulting Numbers: [1343] 1343,94 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 94:[77, 34, 4], Operations: ['68/17=4'] Exploring Operation: 34+4=38, Resulting Numbers: [77, 38] Generated Node #0,2,0: 94:[77, 38] Operation: 34+4=38 Exploring Operation: 77+4=81, Resulting Numbers: [34, 81] Generated Node #0,2,1: 94:[34, 81] Operation: 77+4=81 Exploring Operation: 77-4=73, Resulting Numbers: [34, 73] Generated Node #0,2,2: 94:[34, 73] Operation: 77-4=73 Exploring Operation: 77-34=43, Resulting Numbers: [4, 43] Generated Node #0,2,3: 94:[4, 43] Operation: 77-34=43 Exploring Operation: 77+34=111, Resulting Numbers: [4, 111] Generated Node #0,2,4: 94:[4, 111] Operation: 77+34=111 Moving to Node #0,2,3 Current State: 94:[4, 43], Operations: ['68/17=4', '77-34=43'] Exploring Operation: 4+43=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 43-4=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 4*43=172, Resulting Numbers: [172] 172,94 unequal: No Solution Moving to Node #0,2,4 Current State: 94:[4, 111], Operations: ['68/17=4', '77+34=111'] Exploring Operation: 4*111=444, Resulting Numbers: [444] 444,94 unequal: No Solution Exploring Operation: 111-4=107, Resulting Numbers: [107] 107,94 unequal: No Solution Exploring Operation: 4+111=115, Resulting Numbers: [115] 115,94 unequal: No Solution Moving to Node #0,2,0 Current State: 94:[77, 38], Operations: ['68/17=4', '34+4=38'] Exploring Operation: 77+38=115, Resulting Numbers: [115] 115,94 unequal: No Solution Exploring Operation: 77-38=39, Resulting Numbers: [39] 39,94 unequal: No Solution Exploring Operation: 77*38=2926, Resulting Numbers: [2926] 2926,94 unequal: No Solution Moving to Node #0,2,1 Current State: 94:[34, 81], Operations: ['68/17=4', '77+4=81'] Exploring Operation: 34+81=115, Resulting Numbers: [115] 115,94 unequal: No Solution Exploring Operation: 81-34=47, Resulting Numbers: [47] 47,94 unequal: No Solution Exploring Operation: 34*81=2754, Resulting Numbers: [2754] 2754,94 unequal: No Solution Moving to Node #0,2,2 Current State: 94:[34, 73], Operations: ['68/17=4', '77-4=73'] Exploring Operation: 34*73=2482, Resulting Numbers: [2482] 2482,94 unequal: No Solution Exploring Operation: 34+73=107, Resulting Numbers: [107] 107,94 unequal: No Solution Exploring Operation: 73-34=39, Resulting Numbers: [39] 39,94 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 Current State: 94:[34, 68, 94], Operations: ['17+77=94'] Exploring Operation: 94-34=60, Resulting Numbers: [68, 60] Generated Node #0,3,0: 94:[68, 60] Operation: 94-34=60 Exploring Operation: 94-68=26, Resulting Numbers: [34, 26] Generated Node #0,3,1: 94:[34, 26] Operation: 94-68=26 Exploring Operation: 68-34=34, Resulting Numbers: [94, 34] Generated Node #0,3,2: 94:[94, 34] Operation: 68-34=34 Exploring Operation: 68/34=2, Resulting Numbers: [94, 2] Generated Node #0,3,3: 94:[94, 2] Operation: 68/34=2 Exploring Operation: 34+68=102, Resulting Numbers: [94, 102] Generated Node #0,3,4: 94:[94, 102] Operation: 34+68=102 Moving to Node #0,3,3 Current State: 94:[94, 2], Operations: ['17+77=94', '68/34=2'] Exploring Operation: 94-2=92, Resulting Numbers: [92] 92,94 unequal: No Solution Exploring Operation: 94+2=96, Resulting Numbers: [96] 96,94 unequal: No Solution Exploring Operation: 94*2=188, Resulting Numbers: [188] 188,94 unequal: No Solution Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,94 unequal: No Solution Moving to Node #0,3,4 Current State: 94:[94, 102], Operations: ['17+77=94', '34+68=102'] Exploring Operation: 94+102=196, Resulting Numbers: [196] 196,94 unequal: No Solution Exploring Operation: 94*102=9588, Resulting Numbers: [9588] 9588,94 unequal: No Solution Exploring Operation: 102-94=8, Resulting Numbers: [8] 8,94 unequal: No Solution Moving to Node #0,3,2 Current State: 94:[94, 34], Operations: ['17+77=94', '68-34=34'] Exploring Operation: 94-34=60, Resulting Numbers: [60] 60,94 unequal: No Solution Exploring Operation: 94+34=128, Resulting Numbers: [128] 128,94 unequal: No Solution Exploring Operation: 94*34=3196, Resulting Numbers: [3196] 3196,94 unequal: No Solution Moving to Node #0,3,0 Current State: 94:[68, 60], Operations: ['17+77=94', '94-34=60'] Exploring Operation: 68+60=128, Resulting Numbers: [128] 128,94 unequal: No Solution Exploring Operation: 68*60=4080, Resulting Numbers: [4080] 4080,94 unequal: No Solution Exploring Operation: 68-60=8, Resulting Numbers: [8] 8,94 unequal: No Solution Moving to Node #0,3,1 Current State: 94:[34, 26], Operations: ['17+77=94', '94-68=26'] Exploring Operation: 34*26=884, Resulting Numbers: [884] 884,94 unequal: No Solution Exploring Operation: 34-26=8, Resulting Numbers: [8] 8,94 unequal: No Solution Exploring Operation: 34+26=60, Resulting Numbers: [60] 60,94 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 Current State: 94:[77, 34, 51], Operations: ['68-17=51'] Exploring Operation: 51-34=17, Resulting Numbers: [77, 17] Generated Node #0,4,0: 94:[77, 17] Operation: 51-34=17 Exploring Operation: 77-51=26, Resulting Numbers: [34, 26] Generated Node #0,4,1: 94:[34, 26] Operation: 77-51=26 Exploring Operation: 77-34=43, Resulting Numbers: [51, 43] Generated Node #0,4,2: 94:[51, 43] Operation: 77-34=43 Exploring Operation: 77+34=111, Resulting Numbers: [51, 111] Generated Node #0,4,3: 94:[51, 111] Operation: 77+34=111 Exploring Operation: 34+51=85, Resulting Numbers: [77, 85] Generated Node #0,4,4: 94:[77, 85] Operation: 34+51=85 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 94:[51, 43], Operations: ['68-17=51', '77-34=43'] Exploring Operation: 51-43=8, Resulting Numbers: [8] 8,94 unequal: No Solution Exploring Operation: 51*43=2193, Resulting Numbers: [2193] 2193,94 unequal: No Solution Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[17, 77, 34, 68], Operations: [] Exploring Operation: 68-17=51, Resulting Numbers: [77, 34, 51] Generated Node #0,4: 94:[77, 34, 51] Operation: 68-17=51 Moving to Node #0,4 Current State: 94:[77, 34, 51], Operations: ['68-17=51'] Exploring Operation: 77-34=43, Resulting Numbers: [51, 43] Generated Node #0,4,2: 94:[51, 43] Operation: 77-34=43 Moving to Node #0,4,2 Current State: 94:[51, 43], Operations: ['68-17=51', '77-34=43'] Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.930556
hs_5
mult_heuristic
[ 15, 67, 72, 63 ]
73
[ "15+67=82", "72-63=9", "82-9=73" ]
Current State: 73:[15, 67, 72, 63], Operations: [] Exploring Operation: 15+67=82, Resulting Numbers: [72, 63, 82] Generated Node #2: [72, 63, 82] from Operation: 15+67=82 Current State: 73:[72, 63, 82], Operations: ['15+67=82'] Exploring Operation: 72-63=9, Resulting Numbers: [82, 9] Generated Node #3: [82, 9] from Operation: 72-63=9 Current State: 73:[82, 9], Operations: ['15+67=82', '72-63=9'] Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[15, 67, 72, 63], Operations: [] Exploring Operation: 15+63=78, Resulting Numbers: [67, 72, 78] Generated Node #0,0: 73:[67, 72, 78] Operation: 15+63=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[67, 72, 78], Operations: ['15+63=78'] Exploring Operation: 78-67=11, Resulting Numbers: [72, 11] Generated Node #0,0,0: 73:[72, 11] Operation: 78-67=11 Moving to Node #0,0,0 Current State: 73:[72, 11], Operations: ['15+63=78', '78-67=11'] Exploring Operation: 72+11=83, Resulting Numbers: [83] 83,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 28, 12, 19, 76 ]
19
[ "28*19=532", "532/76=7", "12+7=19" ]
Current State: 19:[28, 12, 19, 76], Operations: [] Exploring Operation: 28*19=532, Resulting Numbers: [12, 76, 532] Generated Node #2: [12, 76, 532] from Operation: 28*19=532 Current State: 19:[12, 76, 532], Operations: ['28*19=532'] Exploring Operation: 532/76=7, Resulting Numbers: [12, 7] Generated Node #3: [12, 7] from Operation: 532/76=7 Current State: 19:[12, 7], Operations: ['28*19=532', '532/76=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[28, 12, 19, 76], Operations: [] Exploring Operation: 76/19=4, Resulting Numbers: [28, 12, 4] Generated Node #0,0: 19:[28, 12, 4] Operation: 76/19=4 Exploring Operation: 76-19=57, Resulting Numbers: [28, 12, 57] Generated Node #0,1: 19:[28, 12, 57] Operation: 76-19=57 Exploring Operation: 76-12=64, Resulting Numbers: [28, 19, 64] Generated Node #0,2: 19:[28, 19, 64] Operation: 76-12=64 Exploring Operation: 76-28=48, Resulting Numbers: [12, 19, 48] Generated Node #0,3: 19:[12, 19, 48] Operation: 76-28=48 Moving to Node #0,0 Current State: 19:[28, 12, 4], Operations: ['76/19=4'] Exploring Operation: 12+4=16, Resulting Numbers: [28, 16] Generated Node #0,0,0: 19:[28, 16] Operation: 12+4=16 Exploring Operation: 28-12=16, Resulting Numbers: [4, 16] Generated Node #0,0,1: 19:[4, 16] Operation: 28-12=16 Exploring Operation: 28-4=24, Resulting Numbers: [12, 24] Generated Node #0,0,2: 19:[12, 24] Operation: 28-4=24 Exploring Operation: 28/4=7, Resulting Numbers: [12, 7] Generated Node #0,0,3: 19:[12, 7] Operation: 28/4=7 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 19:[28, 16], Operations: ['76/19=4', '12+4=16'] Exploring Operation: 28*16=448, Resulting Numbers: [448] 448,19 unequal: No Solution Exploring Operation: 28+16=44, Resulting Numbers: [44] 44,19 unequal: No Solution Exploring Operation: 28-16=12, Resulting Numbers: [12] 12,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 19:[12, 24], Operations: ['76/19=4', '28-4=24'] Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,19 unequal: No Solution Exploring Operation: 24/12=2, Resulting Numbers: [2] 2,19 unequal: No Solution Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,19 unequal: No Solution Exploring Operation: 12*24=288, Resulting Numbers: [288] 288,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 19:[4, 16], Operations: ['76/19=4', '28-12=16'] Exploring Operation: 16-4=12, Resulting Numbers: [12] 12,19 unequal: No Solution Exploring Operation: 4*16=64, Resulting Numbers: [64] 64,19 unequal: No Solution Exploring Operation: 4+16=20, Resulting Numbers: [20] 20,19 unequal: No Solution Exploring Operation: 16/4=4, Resulting Numbers: [4] 4,19 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 19:[12, 7], Operations: ['76/19=4', '28/4=7'] Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,19 unequal: No Solution Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Moving to Node #0 Current State: 19:[28, 12, 19, 76], Operations: [] Exploring Operation: 76/19=4, Resulting Numbers: [28, 12, 4] Generated Node #0,0: 19:[28, 12, 4] Operation: 76/19=4 Moving to Node #0,0 Current State: 19:[28, 12, 4], Operations: ['76/19=4'] Exploring Operation: 28/4=7, Resulting Numbers: [12, 7] Generated Node #0,0,3: 19:[12, 7] Operation: 28/4=7 Moving to Node #0,0,3 Current State: 19:[12, 7], Operations: ['76/19=4', '28/4=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,19 equal: Goal Reached Exit Sub Search at level 1
0.978299
hs_4
mult_heuristic
[ 25, 19, 8, 37 ]
32
[ "19+37=56", "56/8=7", "25+7=32" ]
Current State: 32:[25, 19, 8, 37], Operations: [] Exploring Operation: 19+37=56, Resulting Numbers: [25, 8, 56] Generated Node #2: [25, 8, 56] from Operation: 19+37=56 Current State: 32:[25, 8, 56], Operations: ['19+37=56'] Exploring Operation: 56/8=7, Resulting Numbers: [25, 7] Generated Node #3: [25, 7] from Operation: 56/8=7 Current State: 32:[25, 7], Operations: ['19+37=56', '56/8=7'] Exploring Operation: 25+7=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[25, 19, 8, 37], Operations: [] Exploring Operation: 25-19=6, Resulting Numbers: [8, 37, 6] Generated Node #0,0: 32:[8, 37, 6] Operation: 25-19=6 Moving to Node #0,0 Current State: 32:[8, 37, 6], Operations: ['25-19=6'] Exploring Operation: 37-6=31, Resulting Numbers: [8, 31] Generated Node #0,0,0: 32:[8, 31] Operation: 37-6=31 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[8, 31], Operations: ['25-19=6', '37-6=31'] Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,32 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
[ 17, 55, 57, 73 ]
55
[ "17+57=74", "74-73=1", "55*1=55" ]
Current State: 55:[17, 55, 57, 73], Operations: [] Exploring Operation: 17+57=74, Resulting Numbers: [55, 73, 74] Generated Node #2: [55, 73, 74] from Operation: 17+57=74 Current State: 55:[55, 73, 74], Operations: ['17+57=74'] Exploring Operation: 74-73=1, Resulting Numbers: [55, 1] Generated Node #3: [55, 1] from Operation: 74-73=1 Current State: 55:[55, 1], Operations: ['17+57=74', '74-73=1'] Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[17, 55, 57, 73], Operations: [] Exploring Operation: 57-55=2, Resulting Numbers: [17, 73, 2] Generated Node #0,0: 55:[17, 73, 2] Operation: 57-55=2 Exploring Operation: 73-57=16, Resulting Numbers: [17, 55, 16] Generated Node #0,1: 55:[17, 55, 16] Operation: 73-57=16 Exploring Operation: 73-17=56, Resulting Numbers: [55, 57, 56] Generated Node #0,2: 55:[55, 57, 56] Operation: 73-17=56 Exploring Operation: 57-17=40, Resulting Numbers: [55, 73, 40] Generated Node #0,3: 55:[55, 73, 40] Operation: 57-17=40 Exploring Operation: 73-55=18, Resulting Numbers: [17, 57, 18] Generated Node #0,4: 55:[17, 57, 18] Operation: 73-55=18 Moving to Node #0,2 Current State: 55:[55, 57, 56], Operations: ['73-17=56'] Exploring Operation: 55+57=112, Resulting Numbers: [56, 112] Generated Node #0,2,0: 55:[56, 112] Operation: 55+57=112 Exploring Operation: 55+56=111, Resulting Numbers: [57, 111] Generated Node #0,2,1: 55:[57, 111] Operation: 55+56=111 Exploring Operation: 56-55=1, Resulting Numbers: [57, 1] Generated Node #0,2,2: 55:[57, 1] Operation: 56-55=1 Exploring Operation: 57-55=2, Resulting Numbers: [56, 2] Generated Node #0,2,3: 55:[56, 2] Operation: 57-55=2 Exploring Operation: 57-56=1, Resulting Numbers: [55, 1] Generated Node #0,2,4: 55:[55, 1] Operation: 57-56=1 Moving to Node #0,1 Current State: 55:[17, 55, 16], Operations: ['73-57=16'] Exploring Operation: 17+16=33, Resulting Numbers: [55, 33] Generated Node #0,1,0: 55:[55, 33] Operation: 17+16=33 Exploring Operation: 17+55=72, Resulting Numbers: [16, 72] Generated Node #0,1,1: 55:[16, 72] Operation: 17+55=72 Exploring Operation: 55+16=71, Resulting Numbers: [17, 71] Generated Node #0,1,2: 55:[17, 71] Operation: 55+16=71 Exploring Operation: 17-16=1, Resulting Numbers: [55, 1] Generated Node #0,1,3: 55:[55, 1] Operation: 17-16=1 Exploring Operation: 55-17=38, Resulting Numbers: [16, 38] Generated Node #0,1,4: 55:[16, 38] Operation: 55-17=38 Moving to Node #0,4 Current State: 55:[17, 57, 18], Operations: ['73-55=18'] Exploring Operation: 57-17=40, Resulting Numbers: [18, 40] Generated Node #0,4,0: 55:[18, 40] Operation: 57-17=40 Exploring Operation: 17+18=35, Resulting Numbers: [57, 35] Generated Node #0,4,1: 55:[57, 35] Operation: 17+18=35 Exploring Operation: 18-17=1, Resulting Numbers: [57, 1] Generated Node #0,4,2: 55:[57, 1] Operation: 18-17=1 Exploring Operation: 57-18=39, Resulting Numbers: [17, 39] Generated Node #0,4,3: 55:[17, 39] Operation: 57-18=39 Exploring Operation: 17+57=74, Resulting Numbers: [18, 74] Generated Node #0,4,4: 55:[18, 74] Operation: 17+57=74 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 55:[57, 1], Operations: ['73-55=18', '18-17=1'] Exploring Operation: 57+1=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 57*1=57, Resulting Numbers: [57] 57,55 unequal: No Solution Exploring Operation: 57-1=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 57/1=57, Resulting Numbers: [57] 57,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 55:[18, 40], Operations: ['73-55=18', '57-17=40'] Exploring Operation: 18+40=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 18*40=720, Resulting Numbers: [720] 720,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 55:[57, 35], Operations: ['73-55=18', '17+18=35'] Exploring Operation: 57*35=1995, Resulting Numbers: [1995] 1995,55 unequal: No Solution Exploring Operation: 57-35=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 57+35=92, Resulting Numbers: [92] 92,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 55:[17, 39], Operations: ['73-55=18', '57-18=39'] Exploring Operation: 17+39=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 39-17=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 17*39=663, Resulting Numbers: [663] 663,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 55:[18, 74], Operations: ['73-55=18', '17+57=74'] Exploring Operation: 18*74=1332, Resulting Numbers: [1332] 1332,55 unequal: No Solution Exploring Operation: 74-18=56, Resulting Numbers: [56] 56,55 unequal: No Solution Exploring Operation: 18+74=92, Resulting Numbers: [92] 92,55 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: 55:[17, 73, 2], Operations: ['57-55=2'] Exploring Operation: 17+2=19, Resulting Numbers: [73, 19] Generated Node #0,0,0: 55:[73, 19] Operation: 17+2=19 Exploring Operation: 17-2=15, Resulting Numbers: [73, 15] Generated Node #0,0,1: 55:[73, 15] Operation: 17-2=15 Exploring Operation: 73+2=75, Resulting Numbers: [17, 75] Generated Node #0,0,2: 55:[17, 75] Operation: 73+2=75 Exploring Operation: 73-17=56, Resulting Numbers: [2, 56] Generated Node #0,0,3: 55:[2, 56] Operation: 73-17=56 Exploring Operation: 73-2=71, Resulting Numbers: [17, 71] Generated Node #0,0,4: 55:[17, 71] Operation: 73-2=71 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 55:[2, 56], Operations: ['57-55=2', '73-17=56'] Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,55 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,55 unequal: No Solution Exploring Operation: 2*56=112, Resulting Numbers: [112] 112,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 55:[73, 15], Operations: ['57-55=2', '17-2=15'] Exploring Operation: 73-15=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 73*15=1095, Resulting Numbers: [1095] 1095,55 unequal: No Solution Exploring Operation: 73+15=88, Resulting Numbers: [88] 88,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 55:[17, 71], Operations: ['57-55=2', '73-2=71'] Exploring Operation: 71-17=54, Resulting Numbers: [54] 54,55 unequal: No Solution Exploring Operation: 17*71=1207, Resulting Numbers: [1207] 1207,55 unequal: No Solution Exploring Operation: 17+71=88, Resulting Numbers: [88] 88,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 55:[73, 19], Operations: ['57-55=2', '17+2=19'] Exploring Operation: 73+19=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 73*19=1387, Resulting Numbers: [1387] 1387,55 unequal: No Solution Exploring Operation: 73-19=54, Resulting Numbers: [54] 54,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 55:[17, 75], Operations: ['57-55=2', '73+2=75'] Exploring Operation: 17+75=92, Resulting Numbers: [92] 92,55 unequal: No Solution Exploring Operation: 75-17=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 17*75=1275, Resulting Numbers: [1275] 1275,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 55:[55, 73, 40], Operations: ['57-17=40'] Exploring Operation: 73+40=113, Resulting Numbers: [55, 113] Generated Node #0,3,0: 55:[55, 113] Operation: 73+40=113 Exploring Operation: 73-40=33, Resulting Numbers: [55, 33] Generated Node #0,3,1: 55:[55, 33] Operation: 73-40=33 Exploring Operation: 55+40=95, Resulting Numbers: [73, 95] Generated Node #0,3,2: 55:[73, 95] Operation: 55+40=95 Exploring Operation: 73-55=18, Resulting Numbers: [40, 18] Generated Node #0,3,3: 55:[40, 18] Operation: 73-55=18 Exploring Operation: 55-40=15, Resulting Numbers: [73, 15] Generated Node #0,3,4: 55:[73, 15] Operation: 55-40=15 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 55:[55, 33], Operations: ['57-17=40', '73-40=33'] Exploring Operation: 55+33=88, Resulting Numbers: [88] 88,55 unequal: No Solution Exploring Operation: 55-33=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 55*33=1815, Resulting Numbers: [1815] 1815,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 55:[40, 18], Operations: ['57-17=40', '73-55=18'] Exploring Operation: 40+18=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 40-18=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 40*18=720, Resulting Numbers: [720] 720,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 55:[73, 15], Operations: ['57-17=40', '55-40=15'] Exploring Operation: 73-15=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 73+15=88, Resulting Numbers: [88] 88,55 unequal: No Solution Exploring Operation: 73*15=1095, Resulting Numbers: [1095] 1095,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 55:[55, 113], Operations: ['57-17=40', '73+40=113'] Exploring Operation: 113-55=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 55*113=6215, Resulting Numbers: [6215] 6215,55 unequal: No Solution Exploring Operation: 55+113=168, Resulting Numbers: [168] 168,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 55:[73, 95], Operations: ['57-17=40', '55+40=95'] Exploring Operation: 95-73=22, Resulting Numbers: [22] 22,55 unequal: No Solution Exploring Operation: 73*95=6935, Resulting Numbers: [6935] 6935,55 unequal: No Solution Exploring Operation: 73+95=168, Resulting Numbers: [168] 168,55 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2,3 Current State: 55:[56, 2], Operations: ['73-17=56', '57-55=2'] Exploring Operation: 56*2=112, Resulting Numbers: [112] 112,55 unequal: No Solution Exploring Operation: 56+2=58, Resulting Numbers: [58] 58,55 unequal: No Solution Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,55 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,55 unequal: No Solution Moving to Node #0,1,3 Current State: 55:[55, 1], Operations: ['73-57=16', '17-16=1'] Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,55 unequal: No Solution Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached Moving to Node #0 Current State: 55:[17, 55, 57, 73], Operations: [] Exploring Operation: 73-57=16, Resulting Numbers: [17, 55, 16] Generated Node #0,1: 55:[17, 55, 16] Operation: 73-57=16 Moving to Node #0,1 Current State: 55:[17, 55, 16], Operations: ['73-57=16'] Exploring Operation: 17-16=1, Resulting Numbers: [55, 1] Generated Node #0,1,3: 55:[55, 1] Operation: 17-16=1 Moving to Node #0,1,3 Current State: 55:[55, 1], Operations: ['73-57=16', '17-16=1'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
0.924479
hs_5
sum_heuristic
[ 94, 2, 16, 96 ]
30
[ "94-16=78", "96/2=48", "78-48=30" ]
Current State: 30:[94, 2, 16, 96], Operations: [] Exploring Operation: 94-16=78, Resulting Numbers: [2, 96, 78] Generated Node #2: [2, 96, 78] from Operation: 94-16=78 Current State: 30:[2, 96, 78], Operations: ['94-16=78'] Exploring Operation: 96/2=48, Resulting Numbers: [78, 48] Generated Node #3: [78, 48] from Operation: 96/2=48 Current State: 30:[78, 48], Operations: ['94-16=78', '96/2=48'] Exploring Operation: 78-48=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[94, 2, 16, 96], Operations: [] Exploring Operation: 96/16=6, Resulting Numbers: [94, 2, 6] Generated Node #0,0: 30:[94, 2, 6] Operation: 96/16=6 Exploring Operation: 96-94=2, Resulting Numbers: [2, 16, 2] Generated Node #0,1: 30:[2, 16, 2] Operation: 96-94=2 Moving to Node #0,1 Current State: 30:[2, 16, 2], Operations: ['96-94=2'] Exploring Operation: 16-2=14, Resulting Numbers: [2, 14] Generated Node #0,1,0: 30:[2, 14] Operation: 16-2=14 Exploring Operation: 16-2=14, Resulting Numbers: [2, 14] Generated Node #0,1,1: 30:[2, 14] Operation: 16-2=14 Moving to Node #0,0 Current State: 30:[94, 2, 6], Operations: ['96/16=6'] Exploring Operation: 94-6=88, Resulting Numbers: [2, 88] Generated Node #0,0,0: 30:[2, 88] Operation: 94-6=88 Exploring Operation: 94/2=47, Resulting Numbers: [6, 47] Generated Node #0,0,1: 30:[6, 47] Operation: 94/2=47 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[6, 47], Operations: ['96/16=6', '94/2=47'] Exploring Operation: 6+47=53, Resulting Numbers: [53] 53,30 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[2, 88], Operations: ['96/16=6', '94-6=88'] Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,30 unequal: No Solution Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,30 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: 30:[2, 14], Operations: ['96-94=2', '16-2=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,30 unequal: No Solution Moving to Node #0,1,1 Current State: 30:[2, 14], Operations: ['96-94=2', '16-2=14'] Exploring Operation: 14/2=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 2+14=16, Resulting Numbers: [16] 16,30 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 31, 81, 38, 76 ]
64
[ "81-31=50", "38+76=114", "114-50=64" ]
Current State: 64:[31, 81, 38, 76], Operations: [] Exploring Operation: 81-31=50, Resulting Numbers: [38, 76, 50] Generated Node #2: [38, 76, 50] from Operation: 81-31=50 Current State: 64:[38, 76, 50], Operations: ['81-31=50'] Exploring Operation: 38+76=114, Resulting Numbers: [50, 114] Generated Node #3: [50, 114] from Operation: 38+76=114 Current State: 64:[50, 114], Operations: ['81-31=50', '38+76=114'] Exploring Operation: 114-50=64, Resulting Numbers: [64] 64,64 equal: Goal Reached
4
Current State: 64:[31, 81, 38, 76], Operations: [] Exploring Operation: 81-38=43, Resulting Numbers: [31, 76, 43] Generated Node #0,0: 64:[31, 76, 43] Operation: 81-38=43 Exploring Operation: 76/38=2, Resulting Numbers: [31, 81, 2] Generated Node #0,1: 64:[31, 81, 2] Operation: 76/38=2 Exploring Operation: 81-76=5, Resulting Numbers: [31, 38, 5] Generated Node #0,2: 64:[31, 38, 5] Operation: 81-76=5 Exploring Operation: 76-38=38, Resulting Numbers: [31, 81, 38] Generated Node #0,3: 64:[31, 81, 38] Operation: 76-38=38 Moving to Node #0,2 Current State: 64:[31, 38, 5], Operations: ['81-76=5'] Exploring Operation: 38-31=7, Resulting Numbers: [5, 7] Generated Node #0,2,0: 64:[5, 7] Operation: 38-31=7 Exploring Operation: 31+38=69, Resulting Numbers: [5, 69] Generated Node #0,2,1: 64:[5, 69] Operation: 31+38=69 Exploring Operation: 31+5=36, Resulting Numbers: [38, 36] Generated Node #0,2,2: 64:[38, 36] Operation: 31+5=36 Exploring Operation: 38-5=33, Resulting Numbers: [31, 33] Generated Node #0,2,3: 64:[31, 33] Operation: 38-5=33 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 64:[5, 7], Operations: ['81-76=5', '38-31=7'] Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,64 unequal: No Solution Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,64 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 64:[31, 33], Operations: ['81-76=5', '38-5=33'] Exploring Operation: 33-31=2, Resulting Numbers: [2] 2,64 unequal: No Solution Exploring Operation: 31*33=1023, Resulting Numbers: [1023] 1023,64 unequal: No Solution Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Moving to Node #0 Current State: 64:[31, 81, 38, 76], Operations: [] Exploring Operation: 81-76=5, Resulting Numbers: [31, 38, 5] Generated Node #0,2: 64:[31, 38, 5] Operation: 81-76=5 Moving to Node #0,2 Current State: 64:[31, 38, 5], Operations: ['81-76=5'] Exploring Operation: 38-5=33, Resulting Numbers: [31, 33] Generated Node #0,2,3: 64:[31, 33] Operation: 38-5=33 Moving to Node #0,2,3 Current State: 64:[31, 33], Operations: ['81-76=5', '38-5=33'] Exploring Operation: 31+33=64, Resulting Numbers: [64] 64,64 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_4
sum_heuristic
[ 56, 28, 9, 67 ]
85
[ "56/28=2", "9*2=18", "67+18=85" ]
Current State: 85:[56, 28, 9, 67], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [9, 67, 2] Generated Node #2: [9, 67, 2] from Operation: 56/28=2 Current State: 85:[9, 67, 2], Operations: ['56/28=2'] Exploring Operation: 9*2=18, Resulting Numbers: [67, 18] Generated Node #3: [67, 18] from Operation: 9*2=18 Current State: 85:[67, 18], Operations: ['56/28=2', '9*2=18'] Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[56, 28, 9, 67], Operations: [] Exploring Operation: 56+28=84, Resulting Numbers: [9, 67, 84] Generated Node #0,0: 85:[9, 67, 84] Operation: 56+28=84 Exploring Operation: 56/28=2, Resulting Numbers: [9, 67, 2] Generated Node #0,1: 85:[9, 67, 2] Operation: 56/28=2 Exploring Operation: 67-56=11, Resulting Numbers: [28, 9, 11] Generated Node #0,2: 85:[28, 9, 11] Operation: 67-56=11 Moving to Node #0,2 Current State: 85:[28, 9, 11], Operations: ['67-56=11'] Exploring Operation: 9+11=20, Resulting Numbers: [28, 20] Generated Node #0,2,0: 85:[28, 20] Operation: 9+11=20 Exploring Operation: 28-11=17, Resulting Numbers: [9, 17] Generated Node #0,2,1: 85:[9, 17] Operation: 28-11=17 Exploring Operation: 28-9=19, Resulting Numbers: [11, 19] Generated Node #0,2,2: 85:[11, 19] Operation: 28-9=19 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[9, 17], Operations: ['67-56=11', '28-11=17'] Exploring Operation: 17-9=8, Resulting Numbers: [8] 8,85 unequal: No Solution Exploring Operation: 9+17=26, Resulting Numbers: [26] 26,85 unequal: No Solution Exploring Operation: 9*17=153, Resulting Numbers: [153] 153,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 85:[11, 19], Operations: ['67-56=11', '28-9=19'] Exploring Operation: 19-11=8, Resulting Numbers: [8] 8,85 unequal: No Solution Exploring Operation: 11+19=30, Resulting Numbers: [30] 30,85 unequal: No Solution Exploring Operation: 11*19=209, Resulting Numbers: [209] 209,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 85:[28, 20], Operations: ['67-56=11', '9+11=20'] Exploring Operation: 28*20=560, Resulting Numbers: [560] 560,85 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,85 unequal: No Solution Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 85:[9, 67, 84], Operations: ['56+28=84'] Exploring Operation: 84-67=17, Resulting Numbers: [9, 17] Generated Node #0,0,0: 85:[9, 17] Operation: 84-67=17 Exploring Operation: 9+84=93, Resulting Numbers: [67, 93] Generated Node #0,0,1: 85:[67, 93] Operation: 9+84=93 Exploring Operation: 9+67=76, Resulting Numbers: [84, 76] Generated Node #0,0,2: 85:[84, 76] Operation: 9+67=76 Moving to Node #0,1 Current State: 85:[9, 67, 2], Operations: ['56/28=2'] Exploring Operation: 9-2=7, Resulting Numbers: [67, 7] Generated Node #0,1,0: 85:[67, 7] Operation: 9-2=7 Exploring Operation: 9+67=76, Resulting Numbers: [2, 76] Generated Node #0,1,1: 85:[2, 76] Operation: 9+67=76 Exploring Operation: 9*2=18, Resulting Numbers: [67, 18] Generated Node #0,1,2: 85:[67, 18] Operation: 9*2=18 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[2, 76], Operations: ['56/28=2', '9+67=76'] Exploring Operation: 76/2=38, Resulting Numbers: [38] 38,85 unequal: No Solution Exploring Operation: 76-2=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 2+76=78, Resulting Numbers: [78] 78,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 85:[67, 18], Operations: ['56/28=2', '9*2=18'] Exploring Operation: 67-18=49, Resulting Numbers: [49] 49,85 unequal: No Solution Exploring Operation: 67*18=1206, Resulting Numbers: [1206] 1206,85 unequal: No Solution Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[56, 28, 9, 67], Operations: [] Exploring Operation: 56/28=2, Resulting Numbers: [9, 67, 2] Generated Node #0,1: 85:[9, 67, 2] Operation: 56/28=2 Moving to Node #0,1 Current State: 85:[9, 67, 2], Operations: ['56/28=2'] Exploring Operation: 9*2=18, Resulting Numbers: [67, 18] Generated Node #0,1,2: 85:[67, 18] Operation: 9*2=18 Moving to Node #0,1,2 Current State: 85:[67, 18], Operations: ['56/28=2', '9*2=18'] Exploring Operation: 67+18=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_3
sum_heuristic
[ 15, 4, 9, 69 ]
71
[ "15-4=11", "69-9=60", "11+60=71" ]
Current State: 71:[15, 4, 9, 69], Operations: [] Exploring Operation: 15-4=11, Resulting Numbers: [9, 69, 11] Generated Node #2: [9, 69, 11] from Operation: 15-4=11 Current State: 71:[9, 69, 11], Operations: ['15-4=11'] Exploring Operation: 69-9=60, Resulting Numbers: [11, 60] Generated Node #3: [11, 60] from Operation: 69-9=60 Current State: 71:[11, 60], Operations: ['15-4=11', '69-9=60'] Exploring Operation: 11+60=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[15, 4, 9, 69], Operations: [] Exploring Operation: 4*9=36, Resulting Numbers: [15, 69, 36] Generated Node #0,0: 71:[15, 69, 36] Operation: 4*9=36 Exploring Operation: 15+4=19, Resulting Numbers: [9, 69, 19] Generated Node #0,1: 71:[9, 69, 19] Operation: 15+4=19 Exploring Operation: 15*4=60, Resulting Numbers: [9, 69, 60] Generated Node #0,2: 71:[9, 69, 60] Operation: 15*4=60 Exploring Operation: 15+9=24, Resulting Numbers: [4, 69, 24] Generated Node #0,3: 71:[4, 69, 24] Operation: 15+9=24 Start Sub Search at level 1: Moving to Node #0,2 Current State: 71:[9, 69, 60], Operations: ['15*4=60'] Exploring Operation: 69-9=60, Resulting Numbers: [60, 60] Generated Node #0,2,0: 71:[60, 60] Operation: 69-9=60 Exploring Operation: 9+60=69, Resulting Numbers: [69, 69] Generated Node #0,2,1: 71:[69, 69] Operation: 9+60=69 Exploring Operation: 9+69=78, Resulting Numbers: [60, 78] Generated Node #0,2,2: 71:[60, 78] Operation: 9+69=78 Exploring Operation: 60-9=51, Resulting Numbers: [69, 51] Generated Node #0,2,3: 71:[69, 51] Operation: 60-9=51 Moving to Node #0,2,1 Current State: 71:[69, 69], Operations: ['15*4=60', '9+60=69'] Exploring Operation: 69/69=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 69-69=0, Resulting Numbers: [0] 0,71 unequal: No Solution Exploring Operation: 69+69=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 69*69=4761, Resulting Numbers: [4761] 4761,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[60, 78], Operations: ['15*4=60', '9+69=78'] Exploring Operation: 78-60=18, Resulting Numbers: [18] 18,71 unequal: No Solution Exploring Operation: 60+78=138, Resulting Numbers: [138] 138,71 unequal: No Solution Exploring Operation: 60*78=4680, Resulting Numbers: [4680] 4680,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[69, 51], Operations: ['15*4=60', '60-9=51'] Exploring Operation: 69*51=3519, Resulting Numbers: [3519] 3519,71 unequal: No Solution Exploring Operation: 69+51=120, Resulting Numbers: [120] 120,71 unequal: No Solution Exploring Operation: 69-51=18, Resulting Numbers: [18] 18,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[60, 60], Operations: ['15*4=60', '69-9=60'] Exploring Operation: 60-60=0, Resulting Numbers: [0] 0,71 unequal: No Solution Exploring Operation: 60/60=1, Resulting Numbers: [1] 1,71 unequal: No Solution Exploring Operation: 60*60=3600, Resulting Numbers: [3600] 3600,71 unequal: No Solution Exploring Operation: 60+60=120, Resulting Numbers: [120] 120,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 71:[15, 69, 36], Operations: ['4*9=36'] Exploring Operation: 69-15=54, Resulting Numbers: [36, 54] Generated Node #0,0,0: 71:[36, 54] Operation: 69-15=54 Exploring Operation: 15+36=51, Resulting Numbers: [69, 51] Generated Node #0,0,1: 71:[69, 51] Operation: 15+36=51 Exploring Operation: 36-15=21, Resulting Numbers: [69, 21] Generated Node #0,0,2: 71:[69, 21] Operation: 36-15=21 Exploring Operation: 15+69=84, Resulting Numbers: [36, 84] Generated Node #0,0,3: 71:[36, 84] Operation: 15+69=84 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 71:[69, 51], Operations: ['4*9=36', '15+36=51'] Exploring Operation: 69*51=3519, Resulting Numbers: [3519] 3519,71 unequal: No Solution Exploring Operation: 69-51=18, Resulting Numbers: [18] 18,71 unequal: No Solution Exploring Operation: 69+51=120, Resulting Numbers: [120] 120,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 71:[36, 84], Operations: ['4*9=36', '15+69=84'] Exploring Operation: 36*84=3024, Resulting Numbers: [3024] 3024,71 unequal: No Solution Exploring Operation: 84-36=48, Resulting Numbers: [48] 48,71 unequal: No Solution Exploring Operation: 36+84=120, Resulting Numbers: [120] 120,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 71:[36, 54], Operations: ['4*9=36', '69-15=54'] Exploring Operation: 54-36=18, Resulting Numbers: [18] 18,71 unequal: No Solution Exploring Operation: 36*54=1944, Resulting Numbers: [1944] 1944,71 unequal: No Solution Exploring Operation: 36+54=90, Resulting Numbers: [90] 90,71 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 71:[69, 21], Operations: ['4*9=36', '36-15=21'] Exploring Operation: 69-21=48, Resulting Numbers: [48] 48,71 unequal: No Solution Exploring Operation: 69*21=1449, Resulting Numbers: [1449] 1449,71 unequal: No Solution Exploring Operation: 69+21=90, Resulting Numbers: [90] 90,71 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: 71:[9, 69, 19], Operations: ['15+4=19'] Exploring Operation: 19-9=10, Resulting Numbers: [69, 10] Generated Node #0,1,0: 71:[69, 10] Operation: 19-9=10 Exploring Operation: 9+69=78, Resulting Numbers: [19, 78] Generated Node #0,1,1: 71:[19, 78] Operation: 9+69=78 Exploring Operation: 9+19=28, Resulting Numbers: [69, 28] Generated Node #0,1,2: 71:[69, 28] Operation: 9+19=28 Exploring Operation: 69-9=60, Resulting Numbers: [19, 60] Generated Node #0,1,3: 71:[19, 60] Operation: 69-9=60 Moving to Node #0,1,2 Current State: 71:[69, 28], Operations: ['15+4=19', '9+19=28'] Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,71 unequal: No Solution Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[19, 78], Operations: ['15+4=19', '9+69=78'] Exploring Operation: 78-19=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 19+78=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 19*78=1482, Resulting Numbers: [1482] 1482,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[19, 60], Operations: ['15+4=19', '69-9=60'] Exploring Operation: 19*60=1140, Resulting Numbers: [1140] 1140,71 unequal: No Solution Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,71 unequal: No Solution Exploring Operation: 19+60=79, Resulting Numbers: [79] 79,71 unequal: No Solution Moving to Node #0,1,0 Current State: 71:[69, 10], Operations: ['15+4=19', '19-9=10'] Exploring Operation: 69-10=59, Resulting Numbers: [59] 59,71 unequal: No Solution Exploring Operation: 69+10=79, Resulting Numbers: [79] 79,71 unequal: No Solution Exploring Operation: 69*10=690, Resulting Numbers: [690] 690,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 71:[4, 69, 24], Operations: ['15+9=24'] Exploring Operation: 4+24=28, Resulting Numbers: [69, 28] Generated Node #0,3,0: 71:[69, 28] Operation: 4+24=28 Exploring Operation: 69-4=65, Resulting Numbers: [24, 65] Generated Node #0,3,1: 71:[24, 65] Operation: 69-4=65 Exploring Operation: 4+69=73, Resulting Numbers: [24, 73] Generated Node #0,3,2: 71:[24, 73] Operation: 4+69=73 Exploring Operation: 4*24=96, Resulting Numbers: [69, 96] Generated Node #0,3,3: 71:[69, 96] Operation: 4*24=96 Moving to Node #0,3,3 Current State: 71:[69, 96], Operations: ['15+9=24', '4*24=96'] Exploring Operation: 96-69=27, Resulting Numbers: [27] 27,71 unequal: No Solution Exploring Operation: 69+96=165, Resulting Numbers: [165] 165,71 unequal: No Solution Exploring Operation: 69*96=6624, Resulting Numbers: [6624] 6624,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[69, 28], Operations: ['15+9=24', '4+24=28'] Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,71 unequal: No Solution Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[24, 73], Operations: ['15+9=24', '4+69=73'] Exploring Operation: 73-24=49, Resulting Numbers: [49] 49,71 unequal: No Solution Exploring Operation: 24+73=97, Resulting Numbers: [97] 97,71 unequal: No Solution Exploring Operation: 24*73=1752, Resulting Numbers: [1752] 1752,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[24, 65], Operations: ['15+9=24', '69-4=65'] Exploring Operation: 24+65=89, Resulting Numbers: [89] 89,71 unequal: No Solution Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,71 unequal: No Solution Exploring Operation: 24*65=1560, Resulting Numbers: [1560] 1560,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 10, 21, 51, 26 ]
40
[ "51-21=30", "30-26=4", "10*4=40" ]
Current State: 40:[10, 21, 51, 26], Operations: [] Exploring Operation: 51-21=30, Resulting Numbers: [10, 26, 30] Generated Node #2: [10, 26, 30] from Operation: 51-21=30 Current State: 40:[10, 26, 30], Operations: ['51-21=30'] Exploring Operation: 30-26=4, Resulting Numbers: [10, 4] Generated Node #3: [10, 4] from Operation: 30-26=4 Current State: 40:[10, 4], Operations: ['51-21=30', '30-26=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[10, 21, 51, 26], Operations: [] Exploring Operation: 10+26=36, Resulting Numbers: [21, 51, 36] Generated Node #0,0: 40:[21, 51, 36] Operation: 10+26=36 Exploring Operation: 26-21=5, Resulting Numbers: [10, 51, 5] Generated Node #0,1: 40:[10, 51, 5] Operation: 26-21=5 Exploring Operation: 51-10=41, Resulting Numbers: [21, 26, 41] Generated Node #0,2: 40:[21, 26, 41] Operation: 51-10=41 Exploring Operation: 51-26=25, Resulting Numbers: [10, 21, 25] Generated Node #0,3: 40:[10, 21, 25] Operation: 51-26=25 Moving to Node #0,3 Current State: 40:[10, 21, 25], Operations: ['51-26=25'] Exploring Operation: 10+25=35, Resulting Numbers: [21, 35] Generated Node #0,3,0: 40:[21, 35] Operation: 10+25=35 Exploring Operation: 21-10=11, Resulting Numbers: [25, 11] Generated Node #0,3,1: 40:[25, 11] Operation: 21-10=11 Exploring Operation: 25-21=4, Resulting Numbers: [10, 4] Generated Node #0,3,2: 40:[10, 4] Operation: 25-21=4 Exploring Operation: 25-10=15, Resulting Numbers: [21, 15] Generated Node #0,3,3: 40:[21, 15] Operation: 25-10=15 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 40:[10, 4], Operations: ['51-26=25', '25-21=4'] Exploring Operation: 10-4=6, Resulting Numbers: [6] 6,40 unequal: No Solution Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[10, 21, 51, 26], Operations: [] Exploring Operation: 51-26=25, Resulting Numbers: [10, 21, 25] Generated Node #0,3: 40:[10, 21, 25] Operation: 51-26=25 Moving to Node #0,3 Current State: 40:[10, 21, 25], Operations: ['51-26=25'] Exploring Operation: 25-21=4, Resulting Numbers: [10, 4] Generated Node #0,3,2: 40:[10, 4] Operation: 25-21=4 Moving to Node #0,3,2 Current State: 40:[10, 4], Operations: ['51-26=25', '25-21=4'] Exploring Operation: 10*4=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 86, 17, 88, 28 ]
47
[ "86-17=69", "88+28=116", "116-69=47" ]
Current State: 47:[86, 17, 88, 28], Operations: [] Exploring Operation: 86-17=69, Resulting Numbers: [88, 28, 69] Generated Node #2: [88, 28, 69] from Operation: 86-17=69 Current State: 47:[88, 28, 69], Operations: ['86-17=69'] Exploring Operation: 88+28=116, Resulting Numbers: [69, 116] Generated Node #3: [69, 116] from Operation: 88+28=116 Current State: 47:[69, 116], Operations: ['86-17=69', '88+28=116'] Exploring Operation: 116-69=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[86, 17, 88, 28], Operations: [] Exploring Operation: 17+28=45, Resulting Numbers: [86, 88, 45] Generated Node #0,0: 47:[86, 88, 45] Operation: 17+28=45 Exploring Operation: 86-17=69, Resulting Numbers: [88, 28, 69] Generated Node #0,1: 47:[88, 28, 69] Operation: 86-17=69 Exploring Operation: 86-28=58, Resulting Numbers: [17, 88, 58] Generated Node #0,2: 47:[17, 88, 58] Operation: 86-28=58 Exploring Operation: 88-17=71, Resulting Numbers: [86, 28, 71] Generated Node #0,3: 47:[86, 28, 71] Operation: 88-17=71 Moving to Node #0,0 Current State: 47:[86, 88, 45], Operations: ['17+28=45'] Exploring Operation: 88-45=43, Resulting Numbers: [86, 43] Generated Node #0,0,0: 47:[86, 43] Operation: 88-45=43 Exploring Operation: 86+45=131, Resulting Numbers: [88, 131] Generated Node #0,0,1: 47:[88, 131] Operation: 86+45=131 Exploring Operation: 88-86=2, Resulting Numbers: [45, 2] Generated Node #0,0,2: 47:[45, 2] Operation: 88-86=2 Exploring Operation: 86-45=41, Resulting Numbers: [88, 41] Generated Node #0,0,3: 47:[88, 41] Operation: 86-45=41 Moving to Node #0,2 Current State: 47:[17, 88, 58], Operations: ['86-28=58'] Exploring Operation: 17+88=105, Resulting Numbers: [58, 105] Generated Node #0,2,0: 47:[58, 105] Operation: 17+88=105 Exploring Operation: 88-17=71, Resulting Numbers: [58, 71] Generated Node #0,2,1: 47:[58, 71] Operation: 88-17=71 Exploring Operation: 58-17=41, Resulting Numbers: [88, 41] Generated Node #0,2,2: 47:[88, 41] Operation: 58-17=41 Exploring Operation: 88-58=30, Resulting Numbers: [17, 30] Generated Node #0,2,3: 47:[17, 30] Operation: 88-58=30 Moving to Node #0,1 Current State: 47:[88, 28, 69], Operations: ['86-17=69'] Exploring Operation: 69-28=41, Resulting Numbers: [88, 41] Generated Node #0,1,0: 47:[88, 41] Operation: 69-28=41 Exploring Operation: 88-28=60, Resulting Numbers: [69, 60] Generated Node #0,1,1: 47:[69, 60] Operation: 88-28=60 Exploring Operation: 88-69=19, Resulting Numbers: [28, 19] Generated Node #0,1,2: 47:[28, 19] Operation: 88-69=19 Exploring Operation: 88+28=116, Resulting Numbers: [69, 116] Generated Node #0,1,3: 47:[69, 116] Operation: 88+28=116 Moving to Node #0,3 Current State: 47:[86, 28, 71], Operations: ['88-17=71'] Exploring Operation: 86+28=114, Resulting Numbers: [71, 114] Generated Node #0,3,0: 47:[71, 114] Operation: 86+28=114 Exploring Operation: 86-28=58, Resulting Numbers: [71, 58] Generated Node #0,3,1: 47:[71, 58] Operation: 86-28=58 Exploring Operation: 86-71=15, Resulting Numbers: [28, 15] Generated Node #0,3,2: 47:[28, 15] Operation: 86-71=15 Exploring Operation: 71-28=43, Resulting Numbers: [86, 43] Generated Node #0,3,3: 47:[86, 43] Operation: 71-28=43 Moving to Node #0,2,1 Current State: 47:[58, 71], Operations: ['86-28=58', '88-17=71'] Exploring Operation: 58*71=4118, Resulting Numbers: [4118] 4118,47 unequal: No Solution Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 58+71=129, Resulting Numbers: [129] 129,47 unequal: No Solution Moving to Node #0,3,1 Current State: 47:[71, 58], Operations: ['88-17=71', '86-28=58'] Exploring Operation: 71-58=13, Resulting Numbers: [13] 13,47 unequal: No Solution Exploring Operation: 71*58=4118, Resulting Numbers: [4118] 4118,47 unequal: No Solution Exploring Operation: 71+58=129, Resulting Numbers: [129] 129,47 unequal: No Solution Moving to Node #0,1,1 Current State: 47:[69, 60], Operations: ['86-17=69', '88-28=60'] Exploring Operation: 69+60=129, Resulting Numbers: [129] 129,47 unequal: No Solution Exploring Operation: 69*60=4140, Resulting Numbers: [4140] 4140,47 unequal: No Solution Exploring Operation: 69-60=9, Resulting Numbers: [9] 9,47 unequal: No Solution Moving to Node #0,3,3 Current State: 47:[86, 43], Operations: ['88-17=71', '71-28=43'] Exploring Operation: 86+43=129, Resulting Numbers: [129] 129,47 unequal: No Solution Exploring Operation: 86/43=2, Resulting Numbers: [2] 2,47 unequal: No Solution Exploring Operation: 86-43=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 86*43=3698, Resulting Numbers: [3698] 3698,47 unequal: No Solution Moving to Node #0,0,0 Current State: 47:[86, 43], Operations: ['17+28=45', '88-45=43'] Exploring Operation: 86*43=3698, Resulting Numbers: [3698] 3698,47 unequal: No Solution Exploring Operation: 86+43=129, Resulting Numbers: [129] 129,47 unequal: No Solution Exploring Operation: 86-43=43, Resulting Numbers: [43] 43,47 unequal: No Solution Exploring Operation: 86/43=2, Resulting Numbers: [2] 2,47 unequal: No Solution Moving to Node #0,2,3 Current State: 47:[17, 30], Operations: ['86-28=58', '88-58=30'] Exploring Operation: 17+30=47, Resulting Numbers: [47] 47,47 equal: Goal Reached Moving to Node #0 Current State: 47:[86, 17, 88, 28], Operations: [] Exploring Operation: 86-28=58, Resulting Numbers: [17, 88, 58] Generated Node #0,2: 47:[17, 88, 58] Operation: 86-28=58 Moving to Node #0,2 Current State: 47:[17, 88, 58], Operations: ['86-28=58'] Exploring Operation: 88-58=30, Resulting Numbers: [17, 30] Generated Node #0,2,3: 47:[17, 30] Operation: 88-58=30 Moving to Node #0,2,3 Current State: 47:[17, 30], Operations: ['86-28=58', '88-58=30'] Exploring Operation: 17+30=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
0.963542
hs_4
mult_heuristic
[ 46, 22, 16, 98 ]
24
[ "46+98=144", "22-16=6", "144/6=24" ]
Current State: 24:[46, 22, 16, 98], Operations: [] Exploring Operation: 46+98=144, Resulting Numbers: [22, 16, 144] Generated Node #2: [22, 16, 144] from Operation: 46+98=144 Current State: 24:[22, 16, 144], Operations: ['46+98=144'] Exploring Operation: 22-16=6, Resulting Numbers: [144, 6] Generated Node #3: [144, 6] from Operation: 22-16=6 Current State: 24:[144, 6], Operations: ['46+98=144', '22-16=6'] Exploring Operation: 144/6=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[46, 22, 16, 98], Operations: [] Exploring Operation: 98-46=52, Resulting Numbers: [22, 16, 52] Generated Node #0,0: 24:[22, 16, 52] Operation: 98-46=52 Moving to Node #0,0 Current State: 24:[22, 16, 52], Operations: ['98-46=52'] Exploring Operation: 52-22=30, Resulting Numbers: [16, 30] Generated Node #0,0,0: 24:[16, 30] Operation: 52-22=30 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 24:[16, 30], Operations: ['98-46=52', '52-22=30'] Exploring Operation: 30-16=14, Resulting Numbers: [14] 14,24 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 12, 2, 94, 29 ]
41
[ "12*2=24", "94-29=65", "65-24=41" ]
Current State: 41:[12, 2, 94, 29], Operations: [] Exploring Operation: 12*2=24, Resulting Numbers: [94, 29, 24] Generated Node #2: [94, 29, 24] from Operation: 12*2=24 Current State: 41:[94, 29, 24], Operations: ['12*2=24'] Exploring Operation: 94-29=65, Resulting Numbers: [24, 65] Generated Node #3: [24, 65] from Operation: 94-29=65 Current State: 41:[24, 65], Operations: ['12*2=24', '94-29=65'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[12, 2, 94, 29], Operations: [] Exploring Operation: 12+2=14, Resulting Numbers: [94, 29, 14] Generated Node #0,0: 41:[94, 29, 14] Operation: 12+2=14 Exploring Operation: 94-12=82, Resulting Numbers: [2, 29, 82] Generated Node #0,1: 41:[2, 29, 82] Operation: 94-12=82 Exploring Operation: 12*2=24, Resulting Numbers: [94, 29, 24] Generated Node #0,2: 41:[94, 29, 24] Operation: 12*2=24 Exploring Operation: 94/2=47, Resulting Numbers: [12, 29, 47] Generated Node #0,3: 41:[12, 29, 47] Operation: 94/2=47 Moving to Node #0,3 Current State: 41:[12, 29, 47], Operations: ['94/2=47'] Exploring Operation: 29-12=17, Resulting Numbers: [47, 17] Generated Node #0,3,0: 41:[47, 17] Operation: 29-12=17 Exploring Operation: 12+47=59, Resulting Numbers: [29, 59] Generated Node #0,3,1: 41:[29, 59] Operation: 12+47=59 Exploring Operation: 47-12=35, Resulting Numbers: [29, 35] Generated Node #0,3,2: 41:[29, 35] Operation: 47-12=35 Exploring Operation: 12+29=41, Resulting Numbers: [47, 41] Generated Node #0,3,3: 41:[47, 41] Operation: 12+29=41 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 41:[47, 41], Operations: ['94/2=47', '12+29=41'] Exploring Operation: 47+41=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 47*41=1927, Resulting Numbers: [1927] 1927,41 unequal: No Solution Exploring Operation: 47-41=6, Resulting Numbers: [6] 6,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 41:[29, 35], Operations: ['94/2=47', '47-12=35'] Exploring Operation: 29*35=1015, Resulting Numbers: [1015] 1015,41 unequal: No Solution Exploring Operation: 29+35=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 35-29=6, Resulting Numbers: [6] 6,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 41:[47, 17], Operations: ['94/2=47', '29-12=17'] Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,41 unequal: No Solution Exploring Operation: 47+17=64, Resulting Numbers: [64] 64,41 unequal: No Solution Exploring Operation: 47*17=799, Resulting Numbers: [799] 799,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 41:[29, 59], Operations: ['94/2=47', '12+47=59'] Exploring Operation: 59-29=30, Resulting Numbers: [30] 30,41 unequal: No Solution Exploring Operation: 29+59=88, Resulting Numbers: [88] 88,41 unequal: No Solution Exploring Operation: 29*59=1711, Resulting Numbers: [1711] 1711,41 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: 41:[94, 29, 24], Operations: ['12*2=24'] Exploring Operation: 94-29=65, Resulting Numbers: [24, 65] Generated Node #0,2,0: 41:[24, 65] Operation: 94-29=65 Exploring Operation: 29+24=53, Resulting Numbers: [94, 53] Generated Node #0,2,1: 41:[94, 53] Operation: 29+24=53 Exploring Operation: 94+24=118, Resulting Numbers: [29, 118] Generated Node #0,2,2: 41:[29, 118] Operation: 94+24=118 Exploring Operation: 94-24=70, Resulting Numbers: [29, 70] Generated Node #0,2,3: 41:[29, 70] Operation: 94-24=70 Moving to Node #0,1 Current State: 41:[2, 29, 82], Operations: ['94-12=82'] Exploring Operation: 2+29=31, Resulting Numbers: [82, 31] Generated Node #0,1,0: 41:[82, 31] Operation: 2+29=31 Exploring Operation: 82/2=41, Resulting Numbers: [29, 41] Generated Node #0,1,1: 41:[29, 41] Operation: 82/2=41 Exploring Operation: 82-2=80, Resulting Numbers: [29, 80] Generated Node #0,1,2: 41:[29, 80] Operation: 82-2=80 Exploring Operation: 82-29=53, Resulting Numbers: [2, 53] Generated Node #0,1,3: 41:[2, 53] Operation: 82-29=53 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[29, 41], Operations: ['94-12=82', '82/2=41'] Exploring Operation: 29+41=70, Resulting Numbers: [70] 70,41 unequal: No Solution Exploring Operation: 29*41=1189, Resulting Numbers: [1189] 1189,41 unequal: No Solution Exploring Operation: 41-29=12, Resulting Numbers: [12] 12,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[82, 31], Operations: ['94-12=82', '2+29=31'] Exploring Operation: 82-31=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 82*31=2542, Resulting Numbers: [2542] 2542,41 unequal: No Solution Exploring Operation: 82+31=113, Resulting Numbers: [113] 113,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[29, 80], Operations: ['94-12=82', '82-2=80'] Exploring Operation: 29+80=109, Resulting Numbers: [109] 109,41 unequal: No Solution Exploring Operation: 80-29=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 29*80=2320, Resulting Numbers: [2320] 2320,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 41:[2, 53], Operations: ['94-12=82', '82-29=53'] Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,41 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,41 unequal: No Solution Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,41 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: 41:[94, 29, 14], Operations: ['12+2=14'] Exploring Operation: 94-14=80, Resulting Numbers: [29, 80] Generated Node #0,0,0: 41:[29, 80] Operation: 94-14=80 Exploring Operation: 94-29=65, Resulting Numbers: [14, 65] Generated Node #0,0,1: 41:[14, 65] Operation: 94-29=65 Exploring Operation: 29+14=43, Resulting Numbers: [94, 43] Generated Node #0,0,2: 41:[94, 43] Operation: 29+14=43 Exploring Operation: 94+14=108, Resulting Numbers: [29, 108] Generated Node #0,0,3: 41:[29, 108] Operation: 94+14=108 Moving to Node #0,2,0 Current State: 41:[24, 65], Operations: ['12*2=24', '94-29=65'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[12, 2, 94, 29], Operations: [] Exploring Operation: 12*2=24, Resulting Numbers: [94, 29, 24] Generated Node #0,2: 41:[94, 29, 24] Operation: 12*2=24 Moving to Node #0,2 Current State: 41:[94, 29, 24], Operations: ['12*2=24'] Exploring Operation: 94-29=65, Resulting Numbers: [24, 65] Generated Node #0,2,0: 41:[24, 65] Operation: 94-29=65 Moving to Node #0,2,0 Current State: 41:[24, 65], Operations: ['12*2=24', '94-29=65'] Exploring Operation: 65-24=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
0.957465
hs_4
mult_heuristic
[ 17, 46, 31, 55 ]
39
[ "17+46=63", "55-31=24", "63-24=39" ]
Current State: 39:[17, 46, 31, 55], Operations: [] Exploring Operation: 17+46=63, Resulting Numbers: [31, 55, 63] Generated Node #2: [31, 55, 63] from Operation: 17+46=63 Current State: 39:[31, 55, 63], Operations: ['17+46=63'] Exploring Operation: 55-31=24, Resulting Numbers: [63, 24] Generated Node #3: [63, 24] from Operation: 55-31=24 Current State: 39:[63, 24], Operations: ['17+46=63', '55-31=24'] Exploring Operation: 63-24=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[17, 46, 31, 55], Operations: [] Exploring Operation: 55-17=38, Resulting Numbers: [46, 31, 38] Generated Node #0,0: 39:[46, 31, 38] Operation: 55-17=38 Exploring Operation: 55-46=9, Resulting Numbers: [17, 31, 9] Generated Node #0,1: 39:[17, 31, 9] Operation: 55-46=9 Exploring Operation: 46-31=15, Resulting Numbers: [17, 55, 15] Generated Node #0,2: 39:[17, 55, 15] Operation: 46-31=15 Start Sub Search at level 1: Moving to Node #0,0 Current State: 39:[46, 31, 38], Operations: ['55-17=38'] Exploring Operation: 46-38=8, Resulting Numbers: [31, 8] Generated Node #0,0,0: 39:[31, 8] Operation: 46-38=8 Exploring Operation: 46-31=15, Resulting Numbers: [38, 15] Generated Node #0,0,1: 39:[38, 15] Operation: 46-31=15 Exploring Operation: 38-31=7, Resulting Numbers: [46, 7] Generated Node #0,0,2: 39:[46, 7] Operation: 38-31=7 Moving to Node #0,0,1 Current State: 39:[38, 15], Operations: ['55-17=38', '46-31=15'] Exploring Operation: 38-15=23, Resulting Numbers: [23] 23,39 unequal: No Solution Exploring Operation: 38+15=53, Resulting Numbers: [53] 53,39 unequal: No Solution Exploring Operation: 38*15=570, Resulting Numbers: [570] 570,39 unequal: No Solution Moving to Node #0,0,2 Current State: 39:[46, 7], Operations: ['55-17=38', '38-31=7'] Exploring Operation: 46+7=53, Resulting Numbers: [53] 53,39 unequal: No Solution Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[17, 46, 31, 55], Operations: [] Exploring Operation: 55-17=38, Resulting Numbers: [46, 31, 38] Generated Node #0,0: 39:[46, 31, 38] Operation: 55-17=38 Moving to Node #0,0 Current State: 39:[46, 31, 38], Operations: ['55-17=38'] Exploring Operation: 38-31=7, Resulting Numbers: [46, 7] Generated Node #0,0,2: 39:[46, 7] Operation: 38-31=7 Moving to Node #0,0,2 Current State: 39:[46, 7], Operations: ['55-17=38', '38-31=7'] Exploring Operation: 46-7=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_3
sum_heuristic
[ 65, 58, 5, 15 ]
74
[ "65+15=80", "80/5=16", "58+16=74" ]
Current State: 74:[65, 58, 5, 15], Operations: [] Exploring Operation: 65+15=80, Resulting Numbers: [58, 5, 80] Generated Node #2: [58, 5, 80] from Operation: 65+15=80 Current State: 74:[58, 5, 80], Operations: ['65+15=80'] Exploring Operation: 80/5=16, Resulting Numbers: [58, 16] Generated Node #3: [58, 16] from Operation: 80/5=16 Current State: 74:[58, 16], Operations: ['65+15=80', '80/5=16'] Exploring Operation: 58+16=74, Resulting Numbers: [74] 74,74 equal: Goal Reached
4
Current State: 74:[65, 58, 5, 15], Operations: [] Exploring Operation: 58+15=73, Resulting Numbers: [65, 5, 73] Generated Node #0,0: 74:[65, 5, 73] Operation: 58+15=73 Exploring Operation: 65+15=80, Resulting Numbers: [58, 5, 80] Generated Node #0,1: 74:[58, 5, 80] Operation: 65+15=80 Exploring Operation: 58-15=43, Resulting Numbers: [65, 5, 43] Generated Node #0,2: 74:[65, 5, 43] Operation: 58-15=43 Exploring Operation: 5*15=75, Resulting Numbers: [65, 58, 75] Generated Node #0,3: 74:[65, 58, 75] Operation: 5*15=75 Exploring Operation: 65-58=7, Resulting Numbers: [5, 15, 7] Generated Node #0,4: 74:[5, 15, 7] Operation: 65-58=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 74:[65, 5, 73], Operations: ['58+15=73'] Exploring Operation: 65/5=13, Resulting Numbers: [73, 13] Generated Node #0,0,0: 74:[73, 13] Operation: 65/5=13 Exploring Operation: 5+73=78, Resulting Numbers: [65, 78] Generated Node #0,0,1: 74:[65, 78] Operation: 5+73=78 Exploring Operation: 65-5=60, Resulting Numbers: [73, 60] Generated Node #0,0,2: 74:[73, 60] Operation: 65-5=60 Exploring Operation: 73-65=8, Resulting Numbers: [5, 8] Generated Node #0,0,3: 74:[5, 8] Operation: 73-65=8 Exploring Operation: 65+5=70, Resulting Numbers: [73, 70] Generated Node #0,0,4: 74:[73, 70] Operation: 65+5=70 Moving to Node #0,0,4 Current State: 74:[73, 70], Operations: ['58+15=73', '65+5=70'] Exploring Operation: 73-70=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 73+70=143, Resulting Numbers: [143] 143,74 unequal: No Solution Exploring Operation: 73*70=5110, Resulting Numbers: [5110] 5110,74 unequal: No Solution Moving to Node #0,0,3 Current State: 74:[5, 8], Operations: ['58+15=73', '73-65=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,74 unequal: No Solution Moving to Node #0,0,0 Current State: 74:[73, 13], Operations: ['58+15=73', '65/5=13'] Exploring Operation: 73-13=60, Resulting Numbers: [60] 60,74 unequal: No Solution Exploring Operation: 73+13=86, Resulting Numbers: [86] 86,74 unequal: No Solution Exploring Operation: 73*13=949, Resulting Numbers: [949] 949,74 unequal: No Solution Moving to Node #0,0,1 Current State: 74:[65, 78], Operations: ['58+15=73', '5+73=78'] Exploring Operation: 78-65=13, Resulting Numbers: [13] 13,74 unequal: No Solution Exploring Operation: 65+78=143, Resulting Numbers: [143] 143,74 unequal: No Solution Exploring Operation: 65*78=5070, Resulting Numbers: [5070] 5070,74 unequal: No Solution Moving to Node #0,0,2 Current State: 74:[73, 60], Operations: ['58+15=73', '65-5=60'] Exploring Operation: 73-60=13, Resulting Numbers: [13] 13,74 unequal: No Solution Exploring Operation: 73*60=4380, Resulting Numbers: [4380] 4380,74 unequal: No Solution Exploring Operation: 73+60=133, Resulting Numbers: [133] 133,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 74:[65, 5, 43], Operations: ['58-15=43'] Exploring Operation: 43-5=38, Resulting Numbers: [65, 38] Generated Node #0,2,0: 74:[65, 38] Operation: 43-5=38 Exploring Operation: 65-5=60, Resulting Numbers: [43, 60] Generated Node #0,2,1: 74:[43, 60] Operation: 65-5=60 Exploring Operation: 65+5=70, Resulting Numbers: [43, 70] Generated Node #0,2,2: 74:[43, 70] Operation: 65+5=70 Exploring Operation: 65-43=22, Resulting Numbers: [5, 22] Generated Node #0,2,3: 74:[5, 22] Operation: 65-43=22 Exploring Operation: 65/5=13, Resulting Numbers: [43, 13] Generated Node #0,2,4: 74:[43, 13] Operation: 65/5=13 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 74:[65, 38], Operations: ['58-15=43', '43-5=38'] Exploring Operation: 65+38=103, Resulting Numbers: [103] 103,74 unequal: No Solution Exploring Operation: 65-38=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 65*38=2470, Resulting Numbers: [2470] 2470,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 74:[43, 70], Operations: ['58-15=43', '65+5=70'] Exploring Operation: 70-43=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 43+70=113, Resulting Numbers: [113] 113,74 unequal: No Solution Exploring Operation: 43*70=3010, Resulting Numbers: [3010] 3010,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 74:[43, 13], Operations: ['58-15=43', '65/5=13'] Exploring Operation: 43-13=30, Resulting Numbers: [30] 30,74 unequal: No Solution Exploring Operation: 43*13=559, Resulting Numbers: [559] 559,74 unequal: No Solution Exploring Operation: 43+13=56, Resulting Numbers: [56] 56,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 74:[5, 22], Operations: ['58-15=43', '65-43=22'] Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,74 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 74:[43, 60], Operations: ['58-15=43', '65-5=60'] Exploring Operation: 60-43=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 43*60=2580, Resulting Numbers: [2580] 2580,74 unequal: No Solution Exploring Operation: 43+60=103, Resulting Numbers: [103] 103,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 74:[5, 15, 7], Operations: ['65-58=7'] Exploring Operation: 15/5=3, Resulting Numbers: [7, 3] Generated Node #0,4,0: 74:[7, 3] Operation: 15/5=3 Exploring Operation: 7-5=2, Resulting Numbers: [15, 2] Generated Node #0,4,1: 74:[15, 2] Operation: 7-5=2 Exploring Operation: 15-5=10, Resulting Numbers: [7, 10] Generated Node #0,4,2: 74:[7, 10] Operation: 15-5=10 Exploring Operation: 15-7=8, Resulting Numbers: [5, 8] Generated Node #0,4,3: 74:[5, 8] Operation: 15-7=8 Exploring Operation: 5*15=75, Resulting Numbers: [7, 75] Generated Node #0,4,4: 74:[7, 75] Operation: 5*15=75 Moving to Node #0,4,0 Current State: 74:[7, 3], Operations: ['65-58=7', '15/5=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,74 unequal: No Solution Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,74 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,74 unequal: No Solution Moving to Node #0,4,4 Current State: 74:[7, 75], Operations: ['65-58=7', '5*15=75'] Exploring Operation: 7*75=525, Resulting Numbers: [525] 525,74 unequal: No Solution Exploring Operation: 7+75=82, Resulting Numbers: [82] 82,74 unequal: No Solution Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,74 unequal: No Solution Moving to Node #0,4,3 Current State: 74:[5, 8], Operations: ['65-58=7', '15-7=8'] Exploring Operation: 5*8=40, Resulting Numbers: [40] 40,74 unequal: No Solution Exploring Operation: 8-5=3, Resulting Numbers: [3] 3,74 unequal: No Solution Exploring Operation: 5+8=13, Resulting Numbers: [13] 13,74 unequal: No Solution Moving to Node #0,4,1 Current State: 74:[15, 2], Operations: ['65-58=7', '7-5=2'] Exploring Operation: 15*2=30, Resulting Numbers: [30] 30,74 unequal: No Solution Exploring Operation: 15-2=13, Resulting Numbers: [13] 13,74 unequal: No Solution Exploring Operation: 15+2=17, Resulting Numbers: [17] 17,74 unequal: No Solution Moving to Node #0,4,2 Current State: 74:[7, 10], Operations: ['65-58=7', '15-5=10'] Exploring Operation: 7*10=70, Resulting Numbers: [70] 70,74 unequal: No Solution Exploring Operation: 7+10=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 10-7=3, Resulting Numbers: [3] 3,74 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 74:[58, 5, 80], Operations: ['65+15=80'] Exploring Operation: 80-58=22, Resulting Numbers: [5, 22] Generated Node #0,1,0: 74:[5, 22] Operation: 80-58=22 Exploring Operation: 5+80=85, Resulting Numbers: [58, 85] Generated Node #0,1,1: 74:[58, 85] Operation: 5+80=85 Exploring Operation: 58+5=63, Resulting Numbers: [80, 63] Generated Node #0,1,2: 74:[80, 63] Operation: 58+5=63 Exploring Operation: 80-5=75, Resulting Numbers: [58, 75] Generated Node #0,1,3: 74:[58, 75] Operation: 80-5=75 Exploring Operation: 58-5=53, Resulting Numbers: [80, 53] Generated Node #0,1,4: 74:[80, 53] Operation: 58-5=53 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 74:[80, 63], Operations: ['65+15=80', '58+5=63'] Exploring Operation: 80+63=143, Resulting Numbers: [143] 143,74 unequal: No Solution Exploring Operation: 80*63=5040, Resulting Numbers: [5040] 5040,74 unequal: No Solution Exploring Operation: 80-63=17, Resulting Numbers: [17] 17,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 74:[58, 75], Operations: ['65+15=80', '80-5=75'] Exploring Operation: 75-58=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 58*75=4350, Resulting Numbers: [4350] 4350,74 unequal: No Solution Exploring Operation: 58+75=133, Resulting Numbers: [133] 133,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 74:[5, 22], Operations: ['65+15=80', '80-58=22'] Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,74 unequal: No Solution Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 74:[80, 53], Operations: ['65+15=80', '58-5=53'] Exploring Operation: 80-53=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 80*53=4240, Resulting Numbers: [4240] 4240,74 unequal: No Solution Exploring Operation: 80+53=133, Resulting Numbers: [133] 133,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 74:[58, 85], Operations: ['65+15=80', '5+80=85'] Exploring Operation: 58+85=143, Resulting Numbers: [143] 143,74 unequal: No Solution Exploring Operation: 85-58=27, Resulting Numbers: [27] 27,74 unequal: No Solution Exploring Operation: 58*85=4930, Resulting Numbers: [4930] 4930,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 74:[65, 58, 75], Operations: ['5*15=75'] Exploring Operation: 65+58=123, Resulting Numbers: [75, 123] Generated Node #0,3,0: 74:[75, 123] Operation: 65+58=123 Exploring Operation: 58+75=133, Resulting Numbers: [65, 133] Generated Node #0,3,1: 74:[65, 133] Operation: 58+75=133 Exploring Operation: 75-65=10, Resulting Numbers: [58, 10] Generated Node #0,3,2: 74:[58, 10] Operation: 75-65=10 Exploring Operation: 75-58=17, Resulting Numbers: [65, 17] Generated Node #0,3,3: 74:[65, 17] Operation: 75-58=17 Exploring Operation: 65-58=7, Resulting Numbers: [75, 7] Generated Node #0,3,4: 74:[75, 7] Operation: 65-58=7 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 74:[75, 7], Operations: ['5*15=75', '65-58=7'] Exploring Operation: 75-7=68, Resulting Numbers: [68] 68,74 unequal: No Solution Exploring Operation: 75*7=525, Resulting Numbers: [525] 525,74 unequal: No Solution Exploring Operation: 75+7=82, Resulting Numbers: [82] 82,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 74:[58, 10], Operations: ['5*15=75', '75-65=10'] Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 58+10=68, Resulting Numbers: [68] 68,74 unequal: No Solution Exploring Operation: 58*10=580, Resulting Numbers: [580] 580,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 74:[65, 17], Operations: ['5*15=75', '75-58=17'] Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 65*17=1105, Resulting Numbers: [1105] 1105,74 unequal: No Solution Exploring Operation: 65+17=82, Resulting Numbers: [82] 82,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 74:[75, 123], Operations: ['5*15=75', '65+58=123'] Exploring Operation: 123-75=48, Resulting Numbers: [48] 48,74 unequal: No Solution Exploring Operation: 75*123=9225, Resulting Numbers: [9225] 9225,74 unequal: No Solution Exploring Operation: 75+123=198, Resulting Numbers: [198] 198,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 74:[65, 133], Operations: ['5*15=75', '58+75=133'] Exploring Operation: 65*133=8645, Resulting Numbers: [8645] 8645,74 unequal: No Solution Exploring Operation: 65+133=198, Resulting Numbers: [198] 198,74 unequal: No Solution Exploring Operation: 133-65=68, Resulting Numbers: [68] 68,74 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 17, 28, 66, 36 ]
70
[ "36-28=8", "17*8=136", "136-66=70" ]
Current State: 70:[17, 28, 66, 36], Operations: [] Exploring Operation: 36-28=8, Resulting Numbers: [17, 66, 8] Generated Node #2: [17, 66, 8] from Operation: 36-28=8 Current State: 70:[17, 66, 8], Operations: ['36-28=8'] Exploring Operation: 17*8=136, Resulting Numbers: [66, 136] Generated Node #3: [66, 136] from Operation: 17*8=136 Current State: 70:[66, 136], Operations: ['36-28=8', '17*8=136'] Exploring Operation: 136-66=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[17, 28, 66, 36], Operations: [] Exploring Operation: 66-28=38, Resulting Numbers: [17, 36, 38] Generated Node #0,0: 70:[17, 36, 38] Operation: 66-28=38 Exploring Operation: 17+28=45, Resulting Numbers: [66, 36, 45] Generated Node #0,1: 70:[66, 36, 45] Operation: 17+28=45 Exploring Operation: 36-28=8, Resulting Numbers: [17, 66, 8] Generated Node #0,2: 70:[17, 66, 8] Operation: 36-28=8 Exploring Operation: 28-17=11, Resulting Numbers: [66, 36, 11] Generated Node #0,3: 70:[66, 36, 11] Operation: 28-17=11 Exploring Operation: 28+36=64, Resulting Numbers: [17, 66, 64] Generated Node #0,4: 70:[17, 66, 64] Operation: 28+36=64 Moving to Node #0,3 Current State: 70:[66, 36, 11], Operations: ['28-17=11'] Exploring Operation: 36-11=25, Resulting Numbers: [66, 25] Generated Node #0,3,0: 70:[66, 25] Operation: 36-11=25 Exploring Operation: 66+11=77, Resulting Numbers: [36, 77] Generated Node #0,3,1: 70:[36, 77] Operation: 66+11=77 Exploring Operation: 66/11=6, Resulting Numbers: [36, 6] Generated Node #0,3,2: 70:[36, 6] Operation: 66/11=6 Exploring Operation: 66-36=30, Resulting Numbers: [11, 30] Generated Node #0,3,3: 70:[11, 30] Operation: 66-36=30 Exploring Operation: 66-11=55, Resulting Numbers: [36, 55] Generated Node #0,3,4: 70:[36, 55] Operation: 66-11=55 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 70:[36, 6], Operations: ['28-17=11', '66/11=6'] Exploring Operation: 36/6=6, Resulting Numbers: [6] 6,70 unequal: No Solution Exploring Operation: 36-6=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 36*6=216, Resulting Numbers: [216] 216,70 unequal: No Solution Exploring Operation: 36+6=42, Resulting Numbers: [42] 42,70 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:[11, 30], Operations: ['28-17=11', '66-36=30'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 11+30=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 11*30=330, Resulting Numbers: [330] 330,70 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:[36, 77], Operations: ['28-17=11', '66+11=77'] Exploring Operation: 77-36=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 36*77=2772, Resulting Numbers: [2772] 2772,70 unequal: No Solution Exploring Operation: 36+77=113, Resulting Numbers: [113] 113,70 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 #0,3,0 Current State: 70:[66, 25], Operations: ['28-17=11', '36-11=25'] Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 66*25=1650, Resulting Numbers: [1650] 1650,70 unequal: No Solution Exploring Operation: 66+25=91, Resulting Numbers: [91] 91,70 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:[36, 55], Operations: ['28-17=11', '66-11=55'] Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 36+55=91, Resulting Numbers: [91] 91,70 unequal: No Solution Exploring Operation: 36*55=1980, Resulting Numbers: [1980] 1980,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 70:[17, 36, 38], Operations: ['66-28=38'] Exploring Operation: 17+38=55, Resulting Numbers: [36, 55] Generated Node #0,0,0: 70:[36, 55] Operation: 17+38=55 Exploring Operation: 36-17=19, Resulting Numbers: [38, 19] Generated Node #0,0,1: 70:[38, 19] Operation: 36-17=19 Exploring Operation: 38-36=2, Resulting Numbers: [17, 2] Generated Node #0,0,2: 70:[17, 2] Operation: 38-36=2 Exploring Operation: 36+38=74, Resulting Numbers: [17, 74] Generated Node #0,0,3: 70:[17, 74] Operation: 36+38=74 Exploring Operation: 38-17=21, Resulting Numbers: [36, 21] Generated Node #0,0,4: 70:[36, 21] Operation: 38-17=21 Moving to Node #0,2 Current State: 70:[17, 66, 8], Operations: ['36-28=8'] Exploring Operation: 17+8=25, Resulting Numbers: [66, 25] Generated Node #0,2,0: 70:[66, 25] Operation: 17+8=25 Exploring Operation: 17-8=9, Resulting Numbers: [66, 9] Generated Node #0,2,1: 70:[66, 9] Operation: 17-8=9 Exploring Operation: 66-17=49, Resulting Numbers: [8, 49] Generated Node #0,2,2: 70:[8, 49] Operation: 66-17=49 Exploring Operation: 17+66=83, Resulting Numbers: [8, 83] Generated Node #0,2,3: 70:[8, 83] Operation: 17+66=83 Exploring Operation: 66+8=74, Resulting Numbers: [17, 74] Generated Node #0,2,4: 70:[17, 74] Operation: 66+8=74 Moving to Node #0,4 Current State: 70:[17, 66, 64], Operations: ['28+36=64'] Exploring Operation: 66-17=49, Resulting Numbers: [64, 49] Generated Node #0,4,0: 70:[64, 49] Operation: 66-17=49 Exploring Operation: 64-17=47, Resulting Numbers: [66, 47] Generated Node #0,4,1: 70:[66, 47] Operation: 64-17=47 Exploring Operation: 17+64=81, Resulting Numbers: [66, 81] Generated Node #0,4,2: 70:[66, 81] Operation: 17+64=81 Exploring Operation: 17+66=83, Resulting Numbers: [64, 83] Generated Node #0,4,3: 70:[64, 83] Operation: 17+66=83 Exploring Operation: 66-64=2, Resulting Numbers: [17, 2] Generated Node #0,4,4: 70:[17, 2] Operation: 66-64=2 Moving to Node #0,1 Current State: 70:[66, 36, 45], Operations: ['17+28=45'] Exploring Operation: 36+45=81, Resulting Numbers: [66, 81] Generated Node #0,1,0: 70:[66, 81] Operation: 36+45=81 Exploring Operation: 66-45=21, Resulting Numbers: [36, 21] Generated Node #0,1,1: 70:[36, 21] Operation: 66-45=21 Exploring Operation: 45-36=9, Resulting Numbers: [66, 9] Generated Node #0,1,2: 70:[66, 9] Operation: 45-36=9 Exploring Operation: 66+36=102, Resulting Numbers: [45, 102] Generated Node #0,1,3: 70:[45, 102] Operation: 66+36=102 Exploring Operation: 66-36=30, Resulting Numbers: [45, 30] Generated Node #0,1,4: 70:[45, 30] Operation: 66-36=30 Moving to Node #0,0,2 Current State: 70:[17, 2], Operations: ['66-28=38', '38-36=2'] Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,70 unequal: No Solution Moving to Node #0,4,4 Current State: 70:[17, 2], Operations: ['28+36=64', '66-64=2'] Exploring Operation: 17-2=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 17+2=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 17*2=34, Resulting Numbers: [34] 34,70 unequal: No Solution Moving to Node #0,2,1 Current State: 70:[66, 9], Operations: ['36-28=8', '17-8=9'] Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 66*9=594, Resulting Numbers: [594] 594,70 unequal: No Solution Exploring Operation: 66+9=75, Resulting Numbers: [75] 75,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[66, 9], Operations: ['17+28=45', '45-36=9'] Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 66*9=594, Resulting Numbers: [594] 594,70 unequal: No Solution Exploring Operation: 66+9=75, Resulting Numbers: [75] 75,70 unequal: No Solution Moving to Node #0,2,4 Current State: 70:[17, 74], Operations: ['36-28=8', '66+8=74'] Exploring Operation: 17+74=91, Resulting Numbers: [91] 91,70 unequal: No Solution Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 17*74=1258, Resulting Numbers: [1258] 1258,70 unequal: No Solution Moving to Node #0,0,3 Current State: 70:[17, 74], Operations: ['66-28=38', '36+38=74'] Exploring Operation: 17*74=1258, Resulting Numbers: [1258] 1258,70 unequal: No Solution Exploring Operation: 17+74=91, Resulting Numbers: [91] 91,70 unequal: No Solution Exploring Operation: 74-17=57, Resulting Numbers: [57] 57,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[38, 19], Operations: ['66-28=38', '36-17=19'] Exploring Operation: 38/19=2, Resulting Numbers: [2] 2,70 unequal: No Solution Exploring Operation: 38+19=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 38-19=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 38*19=722, Resulting Numbers: [722] 722,70 unequal: No Solution Moving to Node #0,0,4 Current State: 70:[36, 21], Operations: ['66-28=38', '38-17=21'] Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 36*21=756, Resulting Numbers: [756] 756,70 unequal: No Solution Exploring Operation: 36+21=57, Resulting Numbers: [57] 57,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[36, 21], Operations: ['17+28=45', '66-45=21'] Exploring Operation: 36-21=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 36*21=756, Resulting Numbers: [756] 756,70 unequal: No Solution Exploring Operation: 36+21=57, Resulting Numbers: [57] 57,70 unequal: No Solution Moving to Node #0,2,3 Current State: 70:[8, 83], Operations: ['36-28=8', '17+66=83'] Exploring Operation: 8+83=91, Resulting Numbers: [91] 91,70 unequal: No Solution Exploring Operation: 8*83=664, Resulting Numbers: [664] 664,70 unequal: No Solution Exploring Operation: 83-8=75, Resulting Numbers: [75] 75,70 unequal: No Solution Moving to Node #0,2,0 Current State: 70:[66, 25], Operations: ['36-28=8', '17+8=25'] Exploring Operation: 66-25=41, Resulting Numbers: [41] 41,70 unequal: No Solution Exploring Operation: 66*25=1650, Resulting Numbers: [1650] 1650,70 unequal: No Solution Exploring Operation: 66+25=91, Resulting Numbers: [91] 91,70 unequal: No Solution Moving to Node #0,1,4 Current State: 70:[45, 30], Operations: ['17+28=45', '66-36=30'] Exploring Operation: 45+30=75, Resulting Numbers: [75] 75,70 unequal: No Solution Exploring Operation: 45*30=1350, Resulting Numbers: [1350] 1350,70 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,70 unequal: No Solution Moving to Node #0,4,2 Current State: 70:[66, 81], Operations: ['28+36=64', '17+64=81'] Exploring Operation: 66*81=5346, Resulting Numbers: [5346] 5346,70 unequal: No Solution Exploring Operation: 66+81=147, Resulting Numbers: [147] 147,70 unequal: No Solution Exploring Operation: 81-66=15, Resulting Numbers: [15] 15,70 unequal: No Solution Moving to Node #0,2,2 Current State: 70:[8, 49], Operations: ['36-28=8', '66-17=49'] Exploring Operation: 8*49=392, Resulting Numbers: [392] 392,70 unequal: No Solution Exploring Operation: 8+49=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 49-8=41, Resulting Numbers: [41] 41,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[66, 81], Operations: ['17+28=45', '36+45=81'] Exploring Operation: 66+81=147, Resulting Numbers: [147] 147,70 unequal: No Solution Exploring Operation: 81-66=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 66*81=5346, Resulting Numbers: [5346] 5346,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[36, 55], Operations: ['66-28=38', '17+38=55'] Exploring Operation: 36*55=1980, Resulting Numbers: [1980] 1980,70 unequal: No Solution Exploring Operation: 55-36=19, Resulting Numbers: [19] 19,70 unequal: No Solution Exploring Operation: 36+55=91, Resulting Numbers: [91] 91,70 unequal: No Solution Moving to Node #0,4,1 Current State: 70:[66, 47], Operations: ['28+36=64', '64-17=47'] Exploring Operation: 66+47=113, Resulting Numbers: [113] 113,70 unequal: No Solution Exploring Operation: 66*47=3102, Resulting Numbers: [3102] 3102,70 unequal: No Solution Exploring Operation: 66-47=19, Resulting Numbers: [19] 19,70 unequal: No Solution Moving to Node #0,4,3 Current State: 70:[64, 83], Operations: ['28+36=64', '17+66=83'] Exploring Operation: 64+83=147, Resulting Numbers: [147] 147,70 unequal: No Solution Exploring Operation: 64*83=5312, Resulting Numbers: [5312] 5312,70 unequal: No Solution Exploring Operation: 83-64=19, Resulting Numbers: [19] 19,70 unequal: No Solution Moving to Node #0,4,0 Current State: 70:[64, 49], Operations: ['28+36=64', '66-17=49'] Exploring Operation: 64*49=3136, Resulting Numbers: [3136] 3136,70 unequal: No Solution Exploring Operation: 64-49=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 64+49=113, Resulting Numbers: [113] 113,70 unequal: No Solution Moving to Node #0,1,3 Current State: 70:[45, 102], Operations: ['17+28=45', '66+36=102'] Exploring Operation: 102-45=57, Resulting Numbers: [57] 57,70 unequal: No Solution Exploring Operation: 45+102=147, Resulting Numbers: [147] 147,70 unequal: No Solution Exploring Operation: 45*102=4590, Resulting Numbers: [4590] 4590,70 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 18, 54, 26, 26 ]
52
[ "54/18=3", "26*3=78", "78-26=52" ]
Current State: 52:[18, 54, 26, 26], Operations: [] Exploring Operation: 54/18=3, Resulting Numbers: [26, 26, 3] Generated Node #2: [26, 26, 3] from Operation: 54/18=3 Current State: 52:[26, 26, 3], Operations: ['54/18=3'] Exploring Operation: 26*3=78, Resulting Numbers: [78] 78,52 equal: Goal Reached Exploring Operation: 78-26=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[18, 54, 26, 26], Operations: [] Exploring Operation: 54/18=3, Resulting Numbers: [26, 26, 3] Generated Node #0,0: 52:[26, 26, 3] Operation: 54/18=3 Exploring Operation: 26-18=8, Resulting Numbers: [54, 26, 8] Generated Node #0,1: 52:[54, 26, 8] Operation: 26-18=8 Exploring Operation: 26-18=8, Resulting Numbers: [54, 26, 8] Generated Node #0,2: 52:[54, 26, 8] Operation: 26-18=8 Exploring Operation: 54-26=28, Resulting Numbers: [18, 26, 28] Generated Node #0,3: 52:[18, 26, 28] Operation: 54-26=28 Moving to Node #0,0 Current State: 52:[26, 26, 3], Operations: ['54/18=3'] Exploring Operation: 26-26=0, Resulting Numbers: [3, 0] Generated Node #0,0,0: 52:[3, 0] Operation: 26-26=0 Exploring Operation: 26/26=1, Resulting Numbers: [3, 1] Generated Node #0,0,1: 52:[3, 1] Operation: 26/26=1 Exploring Operation: 26+26=52, Resulting Numbers: [3, 52] Generated Node #0,0,2: 52:[3, 52] Operation: 26+26=52 Exploring Operation: 26+3=29, Resulting Numbers: [26, 29] Generated Node #0,0,3: 52:[26, 29] Operation: 26+3=29 Moving to Node #0,2 Current State: 52:[54, 26, 8], Operations: ['26-18=8'] Exploring Operation: 54-26=28, Resulting Numbers: [8, 28] Generated Node #0,2,0: 52:[8, 28] Operation: 54-26=28 Exploring Operation: 54+8=62, Resulting Numbers: [26, 62] Generated Node #0,2,1: 52:[26, 62] Operation: 54+8=62 Exploring Operation: 54-8=46, Resulting Numbers: [26, 46] Generated Node #0,2,2: 52:[26, 46] Operation: 54-8=46 Exploring Operation: 26-8=18, Resulting Numbers: [54, 18] Generated Node #0,2,3: 52:[54, 18] Operation: 26-8=18 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[8, 28], Operations: ['26-18=8', '54-26=28'] Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 52:[26, 46], Operations: ['26-18=8', '54-8=46'] Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 26*46=1196, Resulting Numbers: [1196] 1196,52 unequal: No Solution Exploring Operation: 26+46=72, Resulting Numbers: [72] 72,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 52:[54, 18], Operations: ['26-18=8', '26-8=18'] Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 54*18=972, Resulting Numbers: [972] 972,52 unequal: No Solution Exploring Operation: 54+18=72, Resulting Numbers: [72] 72,52 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 #0,2,1 Current State: 52:[26, 62], Operations: ['26-18=8', '54+8=62'] Exploring Operation: 26+62=88, Resulting Numbers: [88] 88,52 unequal: No Solution Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 26*62=1612, Resulting Numbers: [1612] 1612,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 52:[54, 26, 8], Operations: ['26-18=8'] Exploring Operation: 54+8=62, Resulting Numbers: [26, 62] Generated Node #0,1,0: 52:[26, 62] Operation: 54+8=62 Exploring Operation: 54-8=46, Resulting Numbers: [26, 46] Generated Node #0,1,1: 52:[26, 46] Operation: 54-8=46 Exploring Operation: 26-8=18, Resulting Numbers: [54, 18] Generated Node #0,1,2: 52:[54, 18] Operation: 26-8=18 Exploring Operation: 54-26=28, Resulting Numbers: [8, 28] Generated Node #0,1,3: 52:[8, 28] Operation: 54-26=28 Moving to Node #0,3 Current State: 52:[18, 26, 28], Operations: ['54-26=28'] Exploring Operation: 18+28=46, Resulting Numbers: [26, 46] Generated Node #0,3,0: 52:[26, 46] Operation: 18+28=46 Exploring Operation: 28-26=2, Resulting Numbers: [18, 2] Generated Node #0,3,1: 52:[18, 2] Operation: 28-26=2 Exploring Operation: 26-18=8, Resulting Numbers: [28, 8] Generated Node #0,3,2: 52:[28, 8] Operation: 26-18=8 Exploring Operation: 28-18=10, Resulting Numbers: [26, 10] Generated Node #0,3,3: 52:[26, 10] Operation: 28-18=10 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 52:[26, 10], Operations: ['54-26=28', '28-18=10'] Exploring Operation: 26-10=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 26+10=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 26*10=260, Resulting Numbers: [260] 260,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 52:[18, 2], Operations: ['54-26=28', '28-26=2'] Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,52 unequal: No Solution Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,52 unequal: No Solution Exploring Operation: 18+2=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 18*2=36, Resulting Numbers: [36] 36,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 52:[26, 46], Operations: ['54-26=28', '18+28=46'] Exploring Operation: 26*46=1196, Resulting Numbers: [1196] 1196,52 unequal: No Solution Exploring Operation: 26+46=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 52:[28, 8], Operations: ['54-26=28', '26-18=8'] Exploring Operation: 28*8=224, Resulting Numbers: [224] 224,52 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 28+8=36, Resulting Numbers: [36] 36,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,2 Current State: 52:[3, 52], Operations: ['54/18=3', '26+26=52'] Exploring Operation: 3+52=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 3*52=156, Resulting Numbers: [156] 156,52 unequal: No Solution Exploring Operation: 52-3=49, Resulting Numbers: [49] 49,52 unequal: No Solution Moving to Node #0,0,1 Current State: 52:[3, 1], Operations: ['54/18=3', '26/26=1'] Exploring Operation: 3-1=2, Resulting Numbers: [2] 2,52 unequal: No Solution Exploring Operation: 3*1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3/1=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3+1=4, Resulting Numbers: [4] 4,52 unequal: No Solution Moving to Node #0,0,0 Current State: 52:[3, 0], Operations: ['54/18=3', '26-26=0'] Exploring Operation: 3-0=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3+0=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 3*0=0, Resulting Numbers: [0] 0,52 unequal: No Solution Moving to Node #0,0,3 Current State: 52:[26, 29], Operations: ['54/18=3', '26+3=29'] Exploring Operation: 26+29=55, Resulting Numbers: [55] 55,52 unequal: No Solution Exploring Operation: 29-26=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 26*29=754, Resulting Numbers: [754] 754,52 unequal: No Solution Moving to Node #0,1,3 Current State: 52:[8, 28], Operations: ['26-18=8', '54-26=28'] Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,52 unequal: No Solution Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,52 unequal: No Solution Moving to Node #0,1,1 Current State: 52:[26, 46], Operations: ['26-18=8', '54-8=46'] Exploring Operation: 26+46=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,52 unequal: No Solution Exploring Operation: 26*46=1196, Resulting Numbers: [1196] 1196,52 unequal: No Solution Moving to Node #0,1,2 Current State: 52:[54, 18], Operations: ['26-18=8', '26-8=18'] Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,52 unequal: No Solution Exploring Operation: 54/18=3, Resulting Numbers: [3] 3,52 unequal: No Solution Exploring Operation: 54+18=72, Resulting Numbers: [72] 72,52 unequal: No Solution Exploring Operation: 54*18=972, Resulting Numbers: [972] 972,52 unequal: No Solution Moving to Node #0,1,0 Current State: 52:[26, 62], Operations: ['26-18=8', '54+8=62'] Exploring Operation: 26*62=1612, Resulting Numbers: [1612] 1612,52 unequal: No Solution Exploring Operation: 26+62=88, Resulting Numbers: [88] 88,52 unequal: No Solution Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,52 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 83, 95, 83, 38 ]
95
[ "83-83=0", "38*0=0", "95+0=95" ]
Current State: 95:[83, 95, 83, 38], Operations: [] Exploring Operation: 83-83=0, Resulting Numbers: [95, 38, 0] Generated Node #2: [95, 38, 0] from Operation: 83-83=0 Current State: 95:[95, 38, 0], Operations: ['83-83=0'] Exploring Operation: 38*0=0, Resulting Numbers: [95, 0] Generated Node #3: [95, 0] from Operation: 38*0=0 Current State: 95:[95, 0], Operations: ['83-83=0', '38*0=0'] Exploring Operation: 95+0=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[83, 95, 83, 38], Operations: [] Exploring Operation: 83/83=1, Resulting Numbers: [95, 38, 1] Generated Node #0,0: 95:[95, 38, 1] Operation: 83/83=1 Exploring Operation: 95-83=12, Resulting Numbers: [83, 38, 12] Generated Node #0,1: 95:[83, 38, 12] Operation: 95-83=12 Exploring Operation: 83-83=0, Resulting Numbers: [95, 38, 0] Generated Node #0,2: 95:[95, 38, 0] Operation: 83-83=0 Start Sub Search at level 1: Moving to Node #0,0 Current State: 95:[95, 38, 1], Operations: ['83/83=1'] Exploring Operation: 95*1=95, Resulting Numbers: [38, 95] Generated Node #0,0,0: 95:[38, 95] Operation: 95*1=95 Exploring Operation: 95/1=95, Resulting Numbers: [38, 95] Generated Node #0,0,1: 95:[38, 95] Operation: 95/1=95 Exploring Operation: 38-1=37, Resulting Numbers: [95, 37] Generated Node #0,0,2: 95:[95, 37] Operation: 38-1=37 Moving to Node #0,0,2 Current State: 95:[95, 37], Operations: ['83/83=1', '38-1=37'] Exploring Operation: 95*37=3515, Resulting Numbers: [3515] 3515,95 unequal: No Solution Exploring Operation: 95-37=58, Resulting Numbers: [58] 58,95 unequal: No Solution Exploring Operation: 95+37=132, Resulting Numbers: [132] 132,95 unequal: No Solution Moving to Node #0,0,0 Current State: 95:[38, 95], Operations: ['83/83=1', '95*1=95'] Exploring Operation: 38+95=133, Resulting Numbers: [133] 133,95 unequal: No Solution Exploring Operation: 38*95=3610, Resulting Numbers: [3610] 3610,95 unequal: No Solution Exploring Operation: 95-38=57, Resulting Numbers: [57] 57,95 unequal: No Solution Moving to Node #0,0,1 Current State: 95:[38, 95], Operations: ['83/83=1', '95/1=95'] Exploring Operation: 95-38=57, Resulting Numbers: [57] 57,95 unequal: No Solution Exploring Operation: 38+95=133, Resulting Numbers: [133] 133,95 unequal: No Solution Exploring Operation: 38*95=3610, Resulting Numbers: [3610] 3610,95 unequal: No Solution No 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:[95, 38, 0], Operations: ['83-83=0'] Exploring Operation: 38*0=0, Resulting Numbers: [95, 0] Generated Node #0,2,0: 95:[95, 0] Operation: 38*0=0 Exploring Operation: 95+0=95, Resulting Numbers: [38, 95] Generated Node #0,2,1: 95:[38, 95] Operation: 95+0=95 Exploring Operation: 95-0=95, Resulting Numbers: [38, 95] Generated Node #0,2,2: 95:[38, 95] Operation: 95-0=95 Moving to Node #0,2,0 Current State: 95:[95, 0], Operations: ['83-83=0', '38*0=0'] Exploring Operation: 95-0=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[83, 95, 83, 38], Operations: [] Exploring Operation: 83-83=0, Resulting Numbers: [95, 38, 0] Generated Node #0,2: 95:[95, 38, 0] Operation: 83-83=0 Moving to Node #0,2 Current State: 95:[95, 38, 0], Operations: ['83-83=0'] Exploring Operation: 38*0=0, Resulting Numbers: [95, 0] Generated Node #0,2,0: 95:[95, 0] Operation: 38*0=0 Moving to Node #0,2,0 Current State: 95:[95, 0], Operations: ['83-83=0', '38*0=0'] Exploring Operation: 95-0=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 83, 2, 61, 97 ]
65
[ "97-61=36", "36/2=18", "83-18=65" ]
Current State: 65:[83, 2, 61, 97], Operations: [] Exploring Operation: 97-61=36, Resulting Numbers: [83, 2, 36] Generated Node #2: [83, 2, 36] from Operation: 97-61=36 Current State: 65:[83, 2, 36], Operations: ['97-61=36'] Exploring Operation: 36/2=18, Resulting Numbers: [83, 18] Generated Node #3: [83, 18] from Operation: 36/2=18 Current State: 65:[83, 18], Operations: ['97-61=36', '36/2=18'] Exploring Operation: 83-18=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[83, 2, 61, 97], Operations: [] Exploring Operation: 97-83=14, Resulting Numbers: [2, 61, 14] Generated Node #0,0: 65:[2, 61, 14] Operation: 97-83=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[2, 61, 14], Operations: ['97-83=14'] Exploring Operation: 2+61=63, Resulting Numbers: [14, 63] Generated Node #0,0,0: 65:[14, 63] Operation: 2+61=63 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 65:[14, 63], Operations: ['97-83=14', '2+61=63'] Exploring Operation: 14+63=77, Resulting Numbers: [77] 77,65 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 46, 18, 84, 38 ]
94
[ "46-18=28", "84+38=122", "122-28=94" ]
Current State: 94:[46, 18, 84, 38], Operations: [] Exploring Operation: 46-18=28, Resulting Numbers: [84, 38, 28] Generated Node #2: [84, 38, 28] from Operation: 46-18=28 Current State: 94:[84, 38, 28], Operations: ['46-18=28'] Exploring Operation: 84+38=122, Resulting Numbers: [28, 122] Generated Node #3: [28, 122] from Operation: 84+38=122 Current State: 94:[28, 122], Operations: ['46-18=28', '84+38=122'] Exploring Operation: 122-28=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[46, 18, 84, 38], Operations: [] Exploring Operation: 84-38=46, Resulting Numbers: [46, 18, 46] Generated Node #0,0: 94:[46, 18, 46] Operation: 84-38=46 Exploring Operation: 18+84=102, Resulting Numbers: [46, 38, 102] Generated Node #0,1: 94:[46, 38, 102] Operation: 18+84=102 Exploring Operation: 18+38=56, Resulting Numbers: [46, 84, 56] Generated Node #0,2: 94:[46, 84, 56] Operation: 18+38=56 Exploring Operation: 84-18=66, Resulting Numbers: [46, 38, 66] Generated Node #0,3: 94:[46, 38, 66] Operation: 84-18=66 Moving to Node #0,0 Current State: 94:[46, 18, 46], Operations: ['84-38=46'] Exploring Operation: 46-46=0, Resulting Numbers: [18, 0] Generated Node #0,0,0: 94:[18, 0] Operation: 46-46=0 Exploring Operation: 46/46=1, Resulting Numbers: [18, 1] Generated Node #0,0,1: 94:[18, 1] Operation: 46/46=1 Exploring Operation: 46+18=64, Resulting Numbers: [46, 64] Generated Node #0,0,2: 94:[46, 64] Operation: 46+18=64 Exploring Operation: 46+46=92, Resulting Numbers: [18, 92] Generated Node #0,0,3: 94:[18, 92] Operation: 46+46=92 Moving to Node #0,1 Current State: 94:[46, 38, 102], Operations: ['18+84=102'] Exploring Operation: 46+38=84, Resulting Numbers: [102, 84] Generated Node #0,1,0: 94:[102, 84] Operation: 46+38=84 Exploring Operation: 46-38=8, Resulting Numbers: [102, 8] Generated Node #0,1,1: 94:[102, 8] Operation: 46-38=8 Exploring Operation: 102-38=64, Resulting Numbers: [46, 64] Generated Node #0,1,2: 94:[46, 64] Operation: 102-38=64 Exploring Operation: 102-46=56, Resulting Numbers: [38, 56] Generated Node #0,1,3: 94:[38, 56] Operation: 102-46=56 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 94:[102, 8], Operations: ['18+84=102', '46-38=8'] Exploring Operation: 102*8=816, Resulting Numbers: [816] 816,94 unequal: No Solution Exploring Operation: 102+8=110, Resulting Numbers: [110] 110,94 unequal: No Solution Exploring Operation: 102-8=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[46, 18, 84, 38], Operations: [] Exploring Operation: 18+84=102, Resulting Numbers: [46, 38, 102] Generated Node #0,1: 94:[46, 38, 102] Operation: 18+84=102 Moving to Node #0,1 Current State: 94:[46, 38, 102], Operations: ['18+84=102'] Exploring Operation: 46-38=8, Resulting Numbers: [102, 8] Generated Node #0,1,1: 94:[102, 8] Operation: 46-38=8 Moving to Node #0,1,1 Current State: 94:[102, 8], Operations: ['18+84=102', '46-38=8'] Exploring Operation: 102-8=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_4
sum_heuristic
[ 16, 38, 56, 19 ]
36
[ "16+56=72", "38/19=2", "72/2=36" ]
Current State: 36:[16, 38, 56, 19], Operations: [] Exploring Operation: 16+56=72, Resulting Numbers: [38, 19, 72] Generated Node #2: [38, 19, 72] from Operation: 16+56=72 Current State: 36:[38, 19, 72], Operations: ['16+56=72'] Exploring Operation: 38/19=2, Resulting Numbers: [72, 2] Generated Node #3: [72, 2] from Operation: 38/19=2 Current State: 36:[72, 2], Operations: ['16+56=72', '38/19=2'] Exploring Operation: 72/2=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[16, 38, 56, 19], Operations: [] Exploring Operation: 56-38=18, Resulting Numbers: [16, 19, 18] Generated Node #0,0: 36:[16, 19, 18] Operation: 56-38=18 Exploring Operation: 56-19=37, Resulting Numbers: [16, 38, 37] Generated Node #0,1: 36:[16, 38, 37] Operation: 56-19=37 Exploring Operation: 56-16=40, Resulting Numbers: [38, 19, 40] Generated Node #0,2: 36:[38, 19, 40] Operation: 56-16=40 Moving to Node #0,0 Current State: 36:[16, 19, 18], Operations: ['56-38=18'] Exploring Operation: 16+19=35, Resulting Numbers: [18, 35] Generated Node #0,0,0: 36:[18, 35] Operation: 16+19=35 Exploring Operation: 19-16=3, Resulting Numbers: [18, 3] Generated Node #0,0,1: 36:[18, 3] Operation: 19-16=3 Exploring Operation: 18-16=2, Resulting Numbers: [19, 2] Generated Node #0,0,2: 36:[19, 2] Operation: 18-16=2 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 36:[18, 3], Operations: ['56-38=18', '19-16=3'] Exploring Operation: 18+3=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 18-3=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 18/3=6, Resulting Numbers: [6] 6,36 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 #0,0,0 Current State: 36:[18, 35], Operations: ['56-38=18', '16+19=35'] Exploring Operation: 18*35=630, Resulting Numbers: [630] 630,36 unequal: No Solution Exploring Operation: 18+35=53, Resulting Numbers: [53] 53,36 unequal: No Solution Exploring Operation: 35-18=17, Resulting Numbers: [17] 17,36 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 #0,0,2 Current State: 36:[19, 2], Operations: ['56-38=18', '18-16=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,36 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,36 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,36 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: 36:[16, 38, 37], Operations: ['56-19=37'] Exploring Operation: 38-37=1, Resulting Numbers: [16, 1] Generated Node #0,1,0: 36:[16, 1] Operation: 38-37=1 Exploring Operation: 38-16=22, Resulting Numbers: [37, 22] Generated Node #0,1,1: 36:[37, 22] Operation: 38-16=22 Exploring Operation: 37-16=21, Resulting Numbers: [38, 21] Generated Node #0,1,2: 36:[38, 21] Operation: 37-16=21 Moving to Node #0,2 Current State: 36:[38, 19, 40], Operations: ['56-16=40'] Exploring Operation: 38-19=19, Resulting Numbers: [40, 19] Generated Node #0,2,0: 36:[40, 19] Operation: 38-19=19 Exploring Operation: 40-38=2, Resulting Numbers: [19, 2] Generated Node #0,2,1: 36:[19, 2] Operation: 40-38=2 Exploring Operation: 38/19=2, Resulting Numbers: [40, 2] Generated Node #0,2,2: 36:[40, 2] Operation: 38/19=2 Moving to Node #0,2,1 Current State: 36:[19, 2], Operations: ['56-16=40', '40-38=2'] Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,36 unequal: No Solution Exploring Operation: 19*2=38, Resulting Numbers: [38] 38,36 unequal: No Solution Exploring Operation: 19+2=21, Resulting Numbers: [21] 21,36 unequal: No Solution Moving to Node #0,1,0 Current State: 36:[16, 1], Operations: ['56-19=37', '38-37=1'] Exploring Operation: 16*1=16, Resulting Numbers: [16] 16,36 unequal: No Solution Exploring Operation: 16+1=17, Resulting Numbers: [17] 17,36 unequal: No Solution Exploring Operation: 16/1=16, Resulting Numbers: [16] 16,36 unequal: No Solution Moving to Node #0,2,2 Current State: 36:[40, 2], Operations: ['56-16=40', '38/19=2'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,36 unequal: No Solution Exploring Operation: 40-2=38, Resulting Numbers: [38] 38,36 unequal: No Solution Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,36 unequal: No Solution Moving to Node #0,1,2 Current State: 36:[38, 21], Operations: ['56-19=37', '37-16=21'] Exploring Operation: 38-21=17, Resulting Numbers: [17] 17,36 unequal: No Solution Exploring Operation: 38+21=59, Resulting Numbers: [59] 59,36 unequal: No Solution Exploring Operation: 38*21=798, Resulting Numbers: [798] 798,36 unequal: No Solution Moving to Node #0,1,1 Current State: 36:[37, 22], Operations: ['56-19=37', '38-16=22'] Exploring Operation: 37*22=814, Resulting Numbers: [814] 814,36 unequal: No Solution Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,36 unequal: No Solution Exploring Operation: 37+22=59, Resulting Numbers: [59] 59,36 unequal: No Solution Moving to Node #0,2,0 Current State: 36:[40, 19], Operations: ['56-16=40', '38-19=19'] Exploring Operation: 40-19=21, Resulting Numbers: [21] 21,36 unequal: No Solution Exploring Operation: 40+19=59, Resulting Numbers: [59] 59,36 unequal: No Solution Exploring Operation: 40*19=760, Resulting Numbers: [760] 760,36 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 80, 24, 19, 57 ]
10
[ "80*57=4560", "24*19=456", "4560/456=10" ]
Current State: 10:[80, 24, 19, 57], Operations: [] Exploring Operation: 80*57=4560, Resulting Numbers: [24, 19, 4560] Generated Node #2: [24, 19, 4560] from Operation: 80*57=4560 Current State: 10:[24, 19, 4560], Operations: ['80*57=4560'] Exploring Operation: 24*19=456, Resulting Numbers: [4560, 456] Generated Node #3: [4560, 456] from Operation: 24*19=456 Current State: 10:[4560, 456], Operations: ['80*57=4560', '24*19=456'] Exploring Operation: 4560/456=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[80, 24, 19, 57], Operations: [] Exploring Operation: 80-57=23, Resulting Numbers: [24, 19, 23] Generated Node #0,0: 10:[24, 19, 23] Operation: 80-57=23 Exploring Operation: 80-24=56, Resulting Numbers: [19, 57, 56] Generated Node #0,1: 10:[19, 57, 56] Operation: 80-24=56 Exploring Operation: 57/19=3, Resulting Numbers: [80, 24, 3] Generated Node #0,2: 10:[80, 24, 3] Operation: 57/19=3 Exploring Operation: 57-24=33, Resulting Numbers: [80, 19, 33] Generated Node #0,3: 10:[80, 19, 33] Operation: 57-24=33 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[24, 19, 23], Operations: ['80-57=23'] Exploring Operation: 24+19=43, Resulting Numbers: [23, 43] Generated Node #0,0,0: 10:[23, 43] Operation: 24+19=43 Exploring Operation: 24-19=5, Resulting Numbers: [23, 5] Generated Node #0,0,1: 10:[23, 5] Operation: 24-19=5 Exploring Operation: 24-23=1, Resulting Numbers: [19, 1] Generated Node #0,0,2: 10:[19, 1] Operation: 24-23=1 Exploring Operation: 23-19=4, Resulting Numbers: [24, 4] Generated Node #0,0,3: 10:[24, 4] Operation: 23-19=4 Moving to Node #0,0,2 Current State: 10:[19, 1], Operations: ['80-57=23', '24-23=1'] Exploring Operation: 19*1=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 19/1=19, Resulting Numbers: [19] 19,10 unequal: No Solution Exploring Operation: 19+1=20, Resulting Numbers: [20] 20,10 unequal: No Solution Exploring Operation: 19-1=18, Resulting Numbers: [18] 18,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[23, 5], Operations: ['80-57=23', '24-19=5'] Exploring Operation: 23*5=115, Resulting Numbers: [115] 115,10 unequal: No Solution Exploring Operation: 23-5=18, Resulting Numbers: [18] 18,10 unequal: No Solution Exploring Operation: 23+5=28, Resulting Numbers: [28] 28,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[24, 4], Operations: ['80-57=23', '23-19=4'] Exploring Operation: 24-4=20, Resulting Numbers: [20] 20,10 unequal: No Solution Exploring Operation: 24/4=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 24*4=96, Resulting Numbers: [96] 96,10 unequal: No Solution Exploring Operation: 24+4=28, Resulting Numbers: [28] 28,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[23, 43], Operations: ['80-57=23', '24+19=43'] Exploring Operation: 23*43=989, Resulting Numbers: [989] 989,10 unequal: No Solution Exploring Operation: 23+43=66, Resulting Numbers: [66] 66,10 unequal: No Solution Exploring Operation: 43-23=20, Resulting Numbers: [20] 20,10 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 Current State: 10:[80, 24, 3], Operations: ['57/19=3'] Exploring Operation: 24/3=8, Resulting Numbers: [80, 8] Generated Node #0,2,0: 10:[80, 8] Operation: 24/3=8 Exploring Operation: 24-3=21, Resulting Numbers: [80, 21] Generated Node #0,2,1: 10:[80, 21] Operation: 24-3=21 Exploring Operation: 80-24=56, Resulting Numbers: [3, 56] Generated Node #0,2,2: 10:[3, 56] Operation: 80-24=56 Exploring Operation: 80-3=77, Resulting Numbers: [24, 77] Generated Node #0,2,3: 10:[24, 77] Operation: 80-3=77 Moving to Node #0,2,2 Current State: 10:[3, 56], Operations: ['57/19=3', '80-24=56'] 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 Exploring Operation: 3+56=59, Resulting Numbers: [59] 59,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[80, 8], Operations: ['57/19=3', '24/3=8'] Exploring Operation: 80*8=640, Resulting Numbers: [640] 640,10 unequal: No Solution Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,10 unequal: No Solution Exploring Operation: 80-8=72, Resulting Numbers: [72] 72,10 unequal: No Solution Exploring Operation: 80/8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[80, 24, 19, 57], Operations: [] Exploring Operation: 57/19=3, Resulting Numbers: [80, 24, 3] Generated Node #0,2: 10:[80, 24, 3] Operation: 57/19=3 Moving to Node #0,2 Current State: 10:[80, 24, 3], Operations: ['57/19=3'] Exploring Operation: 24/3=8, Resulting Numbers: [80, 8] Generated Node #0,2,0: 10:[80, 8] Operation: 24/3=8 Moving to Node #0,2,0 Current State: 10:[80, 8], Operations: ['57/19=3', '24/3=8'] Exploring Operation: 80/8=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.967882
hs_4
sum_heuristic
[ 15, 19, 65, 17 ]
67
[ "15+19=34", "34/17=2", "65+2=67" ]
Current State: 67:[15, 19, 65, 17], Operations: [] Exploring Operation: 15+19=34, Resulting Numbers: [65, 17, 34] Generated Node #2: [65, 17, 34] from Operation: 15+19=34 Current State: 67:[65, 17, 34], Operations: ['15+19=34'] Exploring Operation: 34/17=2, Resulting Numbers: [65, 2] Generated Node #3: [65, 2] from Operation: 34/17=2 Current State: 67:[65, 2], Operations: ['15+19=34', '34/17=2'] Exploring Operation: 65+2=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[15, 19, 65, 17], Operations: [] Exploring Operation: 15+17=32, Resulting Numbers: [19, 65, 32] Generated Node #0,0: 67:[19, 65, 32] Operation: 15+17=32 Exploring Operation: 15+19=34, Resulting Numbers: [65, 17, 34] Generated Node #0,1: 67:[65, 17, 34] Operation: 15+19=34 Moving to Node #0,0 Current State: 67:[19, 65, 32], Operations: ['15+17=32'] Exploring Operation: 19+32=51, Resulting Numbers: [65, 51] Generated Node #0,0,0: 67:[65, 51] Operation: 19+32=51 Exploring Operation: 19+65=84, Resulting Numbers: [32, 84] Generated Node #0,0,1: 67:[32, 84] Operation: 19+65=84 Moving to Node #0,1 Current State: 67:[65, 17, 34], Operations: ['15+19=34'] Exploring Operation: 65+17=82, Resulting Numbers: [34, 82] Generated Node #0,1,0: 67:[34, 82] Operation: 65+17=82 Exploring Operation: 17+34=51, Resulting Numbers: [65, 51] Generated Node #0,1,1: 67:[65, 51] Operation: 17+34=51 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[65, 51], Operations: ['15+19=34', '17+34=51'] Exploring Operation: 65-51=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 65+51=116, Resulting Numbers: [116] 116,67 unequal: No Solution No 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: 67:[34, 82], Operations: ['15+19=34', '65+17=82'] Exploring Operation: 34+82=116, Resulting Numbers: [116] 116,67 unequal: No Solution Exploring Operation: 82-34=48, Resulting Numbers: [48] 48,67 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: 67:[65, 51], Operations: ['15+17=32', '19+32=51'] Exploring Operation: 65-51=14, Resulting Numbers: [14] 14,67 unequal: No Solution Exploring Operation: 65+51=116, Resulting Numbers: [116] 116,67 unequal: No Solution Moving to Node #0,0,1 Current State: 67:[32, 84], Operations: ['15+17=32', '19+65=84'] Exploring Operation: 84-32=52, Resulting Numbers: [52] 52,67 unequal: No Solution Exploring Operation: 32+84=116, Resulting Numbers: [116] 116,67 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 7, 76, 9, 70 ]
32
[ "9-7=2", "76/2=38", "70-38=32" ]
Current State: 32:[7, 76, 9, 70], Operations: [] Exploring Operation: 9-7=2, Resulting Numbers: [76, 70, 2] Generated Node #2: [76, 70, 2] from Operation: 9-7=2 Current State: 32:[76, 70, 2], Operations: ['9-7=2'] Exploring Operation: 76/2=38, Resulting Numbers: [70, 38] Generated Node #3: [70, 38] from Operation: 76/2=38 Current State: 32:[70, 38], Operations: ['9-7=2', '76/2=38'] Exploring Operation: 70-38=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[7, 76, 9, 70], Operations: [] Exploring Operation: 76-70=6, Resulting Numbers: [7, 9, 6] Generated Node #0,0: 32:[7, 9, 6] Operation: 76-70=6 Exploring Operation: 70/7=10, Resulting Numbers: [76, 9, 10] Generated Node #0,1: 32:[76, 9, 10] Operation: 70/7=10 Exploring Operation: 76-9=67, Resulting Numbers: [7, 70, 67] Generated Node #0,2: 32:[7, 70, 67] Operation: 76-9=67 Moving to Node #0,0 Current State: 32:[7, 9, 6], Operations: ['76-70=6'] Exploring Operation: 7+9=16, Resulting Numbers: [6, 16] Generated Node #0,0,0: 32:[6, 16] Operation: 7+9=16 Exploring Operation: 7-6=1, Resulting Numbers: [9, 1] Generated Node #0,0,1: 32:[9, 1] Operation: 7-6=1 Exploring Operation: 9-7=2, Resulting Numbers: [6, 2] Generated Node #0,0,2: 32:[6, 2] Operation: 9-7=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 32:[6, 16], Operations: ['76-70=6', '7+9=16'] Exploring Operation: 16-6=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 6+16=22, Resulting Numbers: [22] 22,32 unequal: No Solution Exploring Operation: 6*16=96, Resulting Numbers: [96] 96,32 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 #0,0,1 Current State: 32:[9, 1], Operations: ['76-70=6', '7-6=1'] Exploring Operation: 9-1=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,32 unequal: No Solution Exploring Operation: 9/1=9, Resulting Numbers: [9] 9,32 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 #0,0,2 Current State: 32:[6, 2], Operations: ['76-70=6', '9-7=2'] Exploring Operation: 6+2=8, Resulting Numbers: [8] 8,32 unequal: No Solution Exploring Operation: 6-2=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 6/2=3, Resulting Numbers: [3] 3,32 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: 32:[76, 9, 10], Operations: ['70/7=10'] Exploring Operation: 76-9=67, Resulting Numbers: [10, 67] Generated Node #0,1,0: 32:[10, 67] Operation: 76-9=67 Exploring Operation: 76-10=66, Resulting Numbers: [9, 66] Generated Node #0,1,1: 32:[9, 66] Operation: 76-10=66 Exploring Operation: 10-9=1, Resulting Numbers: [76, 1] Generated Node #0,1,2: 32:[76, 1] Operation: 10-9=1 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 32:[9, 66], Operations: ['70/7=10', '76-10=66'] Exploring Operation: 9*66=594, Resulting Numbers: [594] 594,32 unequal: No Solution Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,32 unequal: No Solution Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,32 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 #0,1,0 Current State: 32:[10, 67], Operations: ['70/7=10', '76-9=67'] Exploring Operation: 10*67=670, Resulting Numbers: [670] 670,32 unequal: No Solution Exploring Operation: 10+67=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 67-10=57, Resulting Numbers: [57] 57,32 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 #0,1,2 Current State: 32:[76, 1], Operations: ['70/7=10', '10-9=1'] Exploring Operation: 76*1=76, Resulting Numbers: [76] 76,32 unequal: No Solution Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,32 unequal: No Solution Exploring Operation: 76/1=76, Resulting Numbers: [76] 76,32 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: 32:[7, 70, 67], Operations: ['76-9=67'] Exploring Operation: 70/7=10, Resulting Numbers: [67, 10] Generated Node #0,2,0: 32:[67, 10] Operation: 70/7=10 Exploring Operation: 70-7=63, Resulting Numbers: [67, 63] Generated Node #0,2,1: 32:[67, 63] Operation: 70-7=63 Exploring Operation: 70-67=3, Resulting Numbers: [7, 3] Generated Node #0,2,2: 32:[7, 3] Operation: 70-67=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 32:[7, 3], Operations: ['76-9=67', '70-67=3'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,32 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,32 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 #0,2,0 Current State: 32:[67, 10], Operations: ['76-9=67', '70/7=10'] Exploring Operation: 67*10=670, Resulting Numbers: [670] 670,32 unequal: No Solution Exploring Operation: 67+10=77, Resulting Numbers: [77] 77,32 unequal: No Solution Exploring Operation: 67-10=57, Resulting Numbers: [57] 57,32 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 #0,2,1 Current State: 32:[67, 63], Operations: ['76-9=67', '70-7=63'] Exploring Operation: 67+63=130, Resulting Numbers: [130] 130,32 unequal: No Solution Exploring Operation: 67*63=4221, Resulting Numbers: [4221] 4221,32 unequal: No Solution Exploring Operation: 67-63=4, Resulting Numbers: [4] 4,32 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