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
[ 85, 2, 32, 5 ]
96
[ "85-32=53", "53-5=48", "2*48=96" ]
Current State: 96:[85, 2, 32, 5], Operations: [] Exploring Operation: 85-32=53, Resulting Numbers: [2, 5, 53] Generated Node #2: [2, 5, 53] from Operation: 85-32=53 Current State: 96:[2, 5, 53], Operations: ['85-32=53'] Exploring Operation: 53-5=48, Resulting Numbers: [2, 48] Generated Node #3: [2, 48] from Operation: 53-5=48 Current State: 96:[2, 48], Operations: ['85-32=53', '53-5=48'] Exploring Operation: 2*48=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[85, 2, 32, 5], Operations: [] Exploring Operation: 85/5=17, Resulting Numbers: [2, 32, 17] Generated Node #0,0: 96:[2, 32, 17] Operation: 85/5=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[2, 32, 17], Operations: ['85/5=17'] Exploring Operation: 32/2=16, Resulting Numbers: [17, 16] Generated Node #0,0,0: 96:[17, 16] Operation: 32/2=16 Moving to Node #0,0,0 Current State: 96:[17, 16], Operations: ['85/5=17', '32/2=16'] Exploring Operation: 17+16=33, Resulting Numbers: [33] 33,96 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
[ 40, 38, 58, 11 ]
22
[ "40*11=440", "58-38=20", "440/20=22" ]
Current State: 22:[40, 38, 58, 11], Operations: [] Exploring Operation: 40*11=440, Resulting Numbers: [38, 58, 440] Generated Node #2: [38, 58, 440] from Operation: 40*11=440 Current State: 22:[38, 58, 440], Operations: ['40*11=440'] Exploring Operation: 58-38=20, Resulting Numbers: [440, 20] Generated Node #3: [440, 20] from Operation: 58-38=20 Current State: 22:[440, 20], Operations: ['40*11=440', '58-38=20'] Exploring Operation: 440/20=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[40, 38, 58, 11], Operations: [] Exploring Operation: 40-38=2, Resulting Numbers: [58, 11, 2] Generated Node #0,0: 22:[58, 11, 2] Operation: 40-38=2 Exploring Operation: 58-40=18, Resulting Numbers: [38, 11, 18] Generated Node #0,1: 22:[38, 11, 18] Operation: 58-40=18 Exploring Operation: 58-38=20, Resulting Numbers: [40, 11, 20] Generated Node #0,2: 22:[40, 11, 20] Operation: 58-38=20 Moving to Node #0,1 Current State: 22:[38, 11, 18], Operations: ['58-40=18'] Exploring Operation: 38-18=20, Resulting Numbers: [11, 20] Generated Node #0,1,0: 22:[11, 20] Operation: 38-18=20 Exploring Operation: 18-11=7, Resulting Numbers: [38, 7] Generated Node #0,1,1: 22:[38, 7] Operation: 18-11=7 Exploring Operation: 38-11=27, Resulting Numbers: [18, 27] Generated Node #0,1,2: 22:[18, 27] Operation: 38-11=27 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 22:[11, 20], Operations: ['58-40=18', '38-18=20'] Exploring Operation: 11*20=220, Resulting Numbers: [220] 220,22 unequal: No Solution Exploring Operation: 20-11=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 11+20=31, Resulting Numbers: [31] 31,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 22:[18, 27], Operations: ['58-40=18', '38-11=27'] Exploring Operation: 18*27=486, Resulting Numbers: [486] 486,22 unequal: No Solution Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,22 unequal: No Solution Exploring Operation: 18+27=45, Resulting Numbers: [45] 45,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 22:[38, 7], Operations: ['58-40=18', '18-11=7'] Exploring Operation: 38+7=45, Resulting Numbers: [45] 45,22 unequal: No Solution Exploring Operation: 38*7=266, Resulting Numbers: [266] 266,22 unequal: No Solution Exploring Operation: 38-7=31, Resulting Numbers: [31] 31,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 22:[40, 11, 20], Operations: ['58-38=20'] Exploring Operation: 40-20=20, Resulting Numbers: [11, 20] Generated Node #0,2,0: 22:[11, 20] Operation: 40-20=20 Exploring Operation: 40-11=29, Resulting Numbers: [20, 29] Generated Node #0,2,1: 22:[20, 29] Operation: 40-11=29 Exploring Operation: 40/20=2, Resulting Numbers: [11, 2] Generated Node #0,2,2: 22:[11, 2] Operation: 40/20=2 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 22:[11, 2], Operations: ['58-38=20', '40/20=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Moving to Node #0 Current State: 22:[40, 38, 58, 11], Operations: [] Exploring Operation: 58-38=20, Resulting Numbers: [40, 11, 20] Generated Node #0,2: 22:[40, 11, 20] Operation: 58-38=20 Moving to Node #0,2 Current State: 22:[40, 11, 20], Operations: ['58-38=20'] Exploring Operation: 40/20=2, Resulting Numbers: [11, 2] Generated Node #0,2,2: 22:[11, 2] Operation: 40/20=2 Moving to Node #0,2,2 Current State: 22:[11, 2], Operations: ['58-38=20', '40/20=2'] Exploring Operation: 11*2=22, Resulting Numbers: [22] 22,22 equal: Goal Reached Exit Sub Search at level 1
0.980035
hs_3
mult_heuristic
[ 27, 53, 55, 58 ]
83
[ "27+53=80", "58-55=3", "80+3=83" ]
Current State: 83:[27, 53, 55, 58], Operations: [] Exploring Operation: 27+53=80, Resulting Numbers: [55, 58, 80] Generated Node #2: [55, 58, 80] from Operation: 27+53=80 Current State: 83:[55, 58, 80], Operations: ['27+53=80'] Exploring Operation: 58-55=3, Resulting Numbers: [80, 3] Generated Node #3: [80, 3] from Operation: 58-55=3 Current State: 83:[80, 3], Operations: ['27+53=80', '58-55=3'] Exploring Operation: 80+3=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[27, 53, 55, 58], Operations: [] Exploring Operation: 27+53=80, Resulting Numbers: [55, 58, 80] Generated Node #0,0: 83:[55, 58, 80] Operation: 27+53=80 Exploring Operation: 27+55=82, Resulting Numbers: [53, 58, 82] Generated Node #0,1: 83:[53, 58, 82] Operation: 27+55=82 Start Sub Search at level 1: Moving to Node #0,0 Current State: 83:[55, 58, 80], Operations: ['27+53=80'] Exploring Operation: 55+58=113, Resulting Numbers: [80, 113] Generated Node #0,0,0: 83:[80, 113] Operation: 55+58=113 Exploring Operation: 55+80=135, Resulting Numbers: [58, 135] Generated Node #0,0,1: 83:[58, 135] Operation: 55+80=135 Moving to Node #0,0,0 Current State: 83:[80, 113], Operations: ['27+53=80', '55+58=113'] Exploring Operation: 80+113=193, Resulting Numbers: [193] 193,83 unequal: No Solution Exploring Operation: 113-80=33, Resulting Numbers: [33] 33,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[58, 135], Operations: ['27+53=80', '55+80=135'] Exploring Operation: 58+135=193, Resulting Numbers: [193] 193,83 unequal: No Solution Exploring Operation: 135-58=77, Resulting Numbers: [77] 77,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 83:[53, 58, 82], Operations: ['27+55=82'] Exploring Operation: 53+58=111, Resulting Numbers: [82, 111] Generated Node #0,1,0: 83:[82, 111] Operation: 53+58=111 Exploring Operation: 53+82=135, Resulting Numbers: [58, 135] Generated Node #0,1,1: 83:[58, 135] Operation: 53+82=135 Moving to Node #0,1,0 Current State: 83:[82, 111], Operations: ['27+55=82', '53+58=111'] Exploring Operation: 111-82=29, Resulting Numbers: [29] 29,83 unequal: No Solution Exploring Operation: 82+111=193, Resulting Numbers: [193] 193,83 unequal: No Solution Moving to Node #0,1,1 Current State: 83:[58, 135], Operations: ['27+55=82', '53+82=135'] Exploring Operation: 58+135=193, Resulting Numbers: [193] 193,83 unequal: No Solution Exploring Operation: 135-58=77, Resulting Numbers: [77] 77,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 86, 76, 45, 19 ]
37
[ "86-45=41", "76/19=4", "41-4=37" ]
Current State: 37:[86, 76, 45, 19], Operations: [] Exploring Operation: 86-45=41, Resulting Numbers: [76, 19, 41] Generated Node #2: [76, 19, 41] from Operation: 86-45=41 Current State: 37:[76, 19, 41], Operations: ['86-45=41'] Exploring Operation: 76/19=4, Resulting Numbers: [41, 4] Generated Node #3: [41, 4] from Operation: 76/19=4 Current State: 37:[41, 4], Operations: ['86-45=41', '76/19=4'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[86, 76, 45, 19], Operations: [] Exploring Operation: 86-76=10, Resulting Numbers: [45, 19, 10] Generated Node #0,0: 37:[45, 19, 10] Operation: 86-76=10 Exploring Operation: 86-19=67, Resulting Numbers: [76, 45, 67] Generated Node #0,1: 37:[76, 45, 67] Operation: 86-19=67 Exploring Operation: 76-45=31, Resulting Numbers: [86, 19, 31] Generated Node #0,2: 37:[86, 19, 31] Operation: 76-45=31 Exploring Operation: 86-45=41, Resulting Numbers: [76, 19, 41] Generated Node #0,3: 37:[76, 19, 41] Operation: 86-45=41 Moving to Node #0,0 Current State: 37:[45, 19, 10], Operations: ['86-76=10'] Exploring Operation: 19-10=9, Resulting Numbers: [45, 9] Generated Node #0,0,0: 37:[45, 9] Operation: 19-10=9 Exploring Operation: 19+10=29, Resulting Numbers: [45, 29] Generated Node #0,0,1: 37:[45, 29] Operation: 19+10=29 Exploring Operation: 45+10=55, Resulting Numbers: [19, 55] Generated Node #0,0,2: 37:[19, 55] Operation: 45+10=55 Exploring Operation: 45-10=35, Resulting Numbers: [19, 35] Generated Node #0,0,3: 37:[19, 35] Operation: 45-10=35 Moving to Node #0,3 Current State: 37:[76, 19, 41], Operations: ['86-45=41'] Exploring Operation: 41-19=22, Resulting Numbers: [76, 22] Generated Node #0,3,0: 37:[76, 22] Operation: 41-19=22 Exploring Operation: 76-41=35, Resulting Numbers: [19, 35] Generated Node #0,3,1: 37:[19, 35] Operation: 76-41=35 Exploring Operation: 76-19=57, Resulting Numbers: [41, 57] Generated Node #0,3,2: 37:[41, 57] Operation: 76-19=57 Exploring Operation: 76/19=4, Resulting Numbers: [41, 4] Generated Node #0,3,3: 37:[41, 4] Operation: 76/19=4 Moving to Node #0,2 Current State: 37:[86, 19, 31], Operations: ['76-45=31'] Exploring Operation: 86-19=67, Resulting Numbers: [31, 67] Generated Node #0,2,0: 37:[31, 67] Operation: 86-19=67 Exploring Operation: 86-31=55, Resulting Numbers: [19, 55] Generated Node #0,2,1: 37:[19, 55] Operation: 86-31=55 Exploring Operation: 19+31=50, Resulting Numbers: [86, 50] Generated Node #0,2,2: 37:[86, 50] Operation: 19+31=50 Exploring Operation: 86+19=105, Resulting Numbers: [31, 105] Generated Node #0,2,3: 37:[31, 105] Operation: 86+19=105 Moving to Node #0,1 Current State: 37:[76, 45, 67], Operations: ['86-19=67'] Exploring Operation: 67-45=22, Resulting Numbers: [76, 22] Generated Node #0,1,0: 37:[76, 22] Operation: 67-45=22 Exploring Operation: 76-45=31, Resulting Numbers: [67, 31] Generated Node #0,1,1: 37:[67, 31] Operation: 76-45=31 Exploring Operation: 76+45=121, Resulting Numbers: [67, 121] Generated Node #0,1,2: 37:[67, 121] Operation: 76+45=121 Exploring Operation: 76-67=9, Resulting Numbers: [45, 9] Generated Node #0,1,3: 37:[45, 9] Operation: 76-67=9 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 37:[67, 31], Operations: ['86-19=67', '76-45=31'] Exploring Operation: 67*31=2077, Resulting Numbers: [2077] 2077,37 unequal: No Solution Exploring Operation: 67+31=98, Resulting Numbers: [98] 98,37 unequal: No Solution Exploring Operation: 67-31=36, Resulting Numbers: [36] 36,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 37:[45, 9], Operations: ['86-19=67', '76-67=9'] Exploring Operation: 45+9=54, Resulting Numbers: [54] 54,37 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,37 unequal: No Solution Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 45*9=405, Resulting Numbers: [405] 405,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[76, 22], Operations: ['86-19=67', '67-45=22'] Exploring Operation: 76*22=1672, Resulting Numbers: [1672] 1672,37 unequal: No Solution Exploring Operation: 76-22=54, Resulting Numbers: [54] 54,37 unequal: No Solution Exploring Operation: 76+22=98, Resulting Numbers: [98] 98,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 37:[67, 121], Operations: ['86-19=67', '76+45=121'] Exploring Operation: 67+121=188, Resulting Numbers: [188] 188,37 unequal: No Solution Exploring Operation: 67*121=8107, Resulting Numbers: [8107] 8107,37 unequal: No Solution Exploring Operation: 121-67=54, Resulting Numbers: [54] 54,37 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,1 Current State: 37:[45, 29], Operations: ['86-76=10', '19+10=29'] Exploring Operation: 45+29=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 45*29=1305, Resulting Numbers: [1305] 1305,37 unequal: No Solution Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,37 unequal: No Solution Moving to Node #0,0,3 Current State: 37:[19, 35], Operations: ['86-76=10', '45-10=35'] Exploring Operation: 19*35=665, Resulting Numbers: [665] 665,37 unequal: No Solution Exploring Operation: 19+35=54, Resulting Numbers: [54] 54,37 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,37 unequal: No Solution Moving to Node #0,3,1 Current State: 37:[19, 35], Operations: ['86-45=41', '76-41=35'] Exploring Operation: 19+35=54, Resulting Numbers: [54] 54,37 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,37 unequal: No Solution Exploring Operation: 19*35=665, Resulting Numbers: [665] 665,37 unequal: No Solution Moving to Node #0,3,2 Current State: 37:[41, 57], Operations: ['86-45=41', '76-19=57'] Exploring Operation: 41+57=98, Resulting Numbers: [98] 98,37 unequal: No Solution Exploring Operation: 57-41=16, Resulting Numbers: [16] 16,37 unequal: No Solution Exploring Operation: 41*57=2337, Resulting Numbers: [2337] 2337,37 unequal: No Solution Moving to Node #0,0,0 Current State: 37:[45, 9], Operations: ['86-76=10', '19-10=9'] Exploring Operation: 45*9=405, Resulting Numbers: [405] 405,37 unequal: No Solution Exploring Operation: 45/9=5, Resulting Numbers: [5] 5,37 unequal: No Solution Exploring Operation: 45+9=54, Resulting Numbers: [54] 54,37 unequal: No Solution Exploring Operation: 45-9=36, Resulting Numbers: [36] 36,37 unequal: No Solution Moving to Node #0,2,0 Current State: 37:[31, 67], Operations: ['76-45=31', '86-19=67'] Exploring Operation: 31+67=98, Resulting Numbers: [98] 98,37 unequal: No Solution Exploring Operation: 31*67=2077, Resulting Numbers: [2077] 2077,37 unequal: No Solution Exploring Operation: 67-31=36, Resulting Numbers: [36] 36,37 unequal: No Solution Moving to Node #0,2,1 Current State: 37:[19, 55], Operations: ['76-45=31', '86-31=55'] Exploring Operation: 19*55=1045, Resulting Numbers: [1045] 1045,37 unequal: No Solution Exploring Operation: 19+55=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,37 unequal: No Solution Moving to Node #0,0,2 Current State: 37:[19, 55], Operations: ['86-76=10', '45+10=55'] Exploring Operation: 19+55=74, Resulting Numbers: [74] 74,37 unequal: No Solution Exploring Operation: 55-19=36, Resulting Numbers: [36] 36,37 unequal: No Solution Exploring Operation: 19*55=1045, Resulting Numbers: [1045] 1045,37 unequal: No Solution Moving to Node #0,3,3 Current State: 37:[41, 4], Operations: ['86-45=41', '76/19=4'] Exploring Operation: 41+4=45, Resulting Numbers: [45] 45,37 unequal: No Solution Exploring Operation: 41*4=164, Resulting Numbers: [164] 164,37 unequal: No Solution Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[86, 76, 45, 19], Operations: [] Exploring Operation: 86-45=41, Resulting Numbers: [76, 19, 41] Generated Node #0,3: 37:[76, 19, 41] Operation: 86-45=41 Moving to Node #0,3 Current State: 37:[76, 19, 41], Operations: ['86-45=41'] Exploring Operation: 76/19=4, Resulting Numbers: [41, 4] Generated Node #0,3,3: 37:[41, 4] Operation: 76/19=4 Moving to Node #0,3,3 Current State: 37:[41, 4], Operations: ['86-45=41', '76/19=4'] Exploring Operation: 41-4=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
0.943576
hs_4
sum_heuristic
[ 99, 51, 3, 63 ]
95
[ "63-51=12", "12/3=4", "99-4=95" ]
Current State: 95:[99, 51, 3, 63], Operations: [] Exploring Operation: 63-51=12, Resulting Numbers: [99, 3, 12] Generated Node #2: [99, 3, 12] from Operation: 63-51=12 Current State: 95:[99, 3, 12], Operations: ['63-51=12'] Exploring Operation: 12/3=4, Resulting Numbers: [99, 4] Generated Node #3: [99, 4] from Operation: 12/3=4 Current State: 95:[99, 4], Operations: ['63-51=12', '12/3=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[99, 51, 3, 63], Operations: [] Exploring Operation: 51+63=114, Resulting Numbers: [99, 3, 114] Generated Node #0,0: 95:[99, 3, 114] Operation: 51+63=114 Exploring Operation: 63/3=21, Resulting Numbers: [99, 51, 21] Generated Node #0,1: 95:[99, 51, 21] Operation: 63/3=21 Exploring Operation: 99-63=36, Resulting Numbers: [51, 3, 36] Generated Node #0,2: 95:[51, 3, 36] Operation: 99-63=36 Exploring Operation: 63-51=12, Resulting Numbers: [99, 3, 12] Generated Node #0,3: 95:[99, 3, 12] Operation: 63-51=12 Exploring Operation: 51/3=17, Resulting Numbers: [99, 63, 17] Generated Node #0,4: 95:[99, 63, 17] Operation: 51/3=17 Moving to Node #0,3 Current State: 95:[99, 3, 12], Operations: ['63-51=12'] Exploring Operation: 99-12=87, Resulting Numbers: [3, 87] Generated Node #0,3,0: 95:[3, 87] Operation: 99-12=87 Exploring Operation: 99-3=96, Resulting Numbers: [12, 96] Generated Node #0,3,1: 95:[12, 96] Operation: 99-3=96 Exploring Operation: 12-3=9, Resulting Numbers: [99, 9] Generated Node #0,3,2: 95:[99, 9] Operation: 12-3=9 Exploring Operation: 12/3=4, Resulting Numbers: [99, 4] Generated Node #0,3,3: 95:[99, 4] Operation: 12/3=4 Exploring Operation: 3+12=15, Resulting Numbers: [99, 15] Generated Node #0,3,4: 95:[99, 15] Operation: 3+12=15 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 95:[99, 4], Operations: ['63-51=12', '12/3=4'] Exploring Operation: 99+4=103, Resulting Numbers: [103] 103,95 unequal: No Solution Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[99, 51, 3, 63], Operations: [] Exploring Operation: 63-51=12, Resulting Numbers: [99, 3, 12] Generated Node #0,3: 95:[99, 3, 12] Operation: 63-51=12 Moving to Node #0,3 Current State: 95:[99, 3, 12], Operations: ['63-51=12'] Exploring Operation: 12/3=4, Resulting Numbers: [99, 4] Generated Node #0,3,3: 95:[99, 4] Operation: 12/3=4 Moving to Node #0,3,3 Current State: 95:[99, 4], Operations: ['63-51=12', '12/3=4'] Exploring Operation: 99-4=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 66, 97, 69, 16 ]
78
[ "66+97=163", "69+16=85", "163-85=78" ]
Current State: 78:[66, 97, 69, 16], Operations: [] Exploring Operation: 66+97=163, Resulting Numbers: [69, 16, 163] Generated Node #2: [69, 16, 163] from Operation: 66+97=163 Current State: 78:[69, 16, 163], Operations: ['66+97=163'] Exploring Operation: 69+16=85, Resulting Numbers: [163, 85] Generated Node #3: [163, 85] from Operation: 69+16=85 Current State: 78:[163, 85], Operations: ['66+97=163', '69+16=85'] Exploring Operation: 163-85=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[66, 97, 69, 16], Operations: [] Exploring Operation: 69-66=3, Resulting Numbers: [97, 16, 3] Generated Node #0,0: 78:[97, 16, 3] Operation: 69-66=3 Exploring Operation: 97-66=31, Resulting Numbers: [69, 16, 31] Generated Node #0,1: 78:[69, 16, 31] Operation: 97-66=31 Exploring Operation: 66+16=82, Resulting Numbers: [97, 69, 82] Generated Node #0,2: 78:[97, 69, 82] Operation: 66+16=82 Exploring Operation: 97-16=81, Resulting Numbers: [66, 69, 81] Generated Node #0,3: 78:[66, 69, 81] Operation: 97-16=81 Exploring Operation: 97-69=28, Resulting Numbers: [66, 16, 28] Generated Node #0,4: 78:[66, 16, 28] Operation: 97-69=28 Moving to Node #0,1 Current State: 78:[69, 16, 31], Operations: ['97-66=31'] Exploring Operation: 16+31=47, Resulting Numbers: [69, 47] Generated Node #0,1,0: 78:[69, 47] Operation: 16+31=47 Exploring Operation: 31-16=15, Resulting Numbers: [69, 15] Generated Node #0,1,1: 78:[69, 15] Operation: 31-16=15 Exploring Operation: 69+16=85, Resulting Numbers: [31, 85] Generated Node #0,1,2: 78:[31, 85] Operation: 69+16=85 Exploring Operation: 69-31=38, Resulting Numbers: [16, 38] Generated Node #0,1,3: 78:[16, 38] Operation: 69-31=38 Exploring Operation: 69-16=53, Resulting Numbers: [31, 53] Generated Node #0,1,4: 78:[31, 53] Operation: 69-16=53 Moving to Node #0,4 Current State: 78:[66, 16, 28], Operations: ['97-69=28'] Exploring Operation: 66+16=82, Resulting Numbers: [28, 82] Generated Node #0,4,0: 78:[28, 82] Operation: 66+16=82 Exploring Operation: 28-16=12, Resulting Numbers: [66, 12] Generated Node #0,4,1: 78:[66, 12] Operation: 28-16=12 Exploring Operation: 16+28=44, Resulting Numbers: [66, 44] Generated Node #0,4,2: 78:[66, 44] Operation: 16+28=44 Exploring Operation: 66-16=50, Resulting Numbers: [28, 50] Generated Node #0,4,3: 78:[28, 50] Operation: 66-16=50 Exploring Operation: 66-28=38, Resulting Numbers: [16, 38] Generated Node #0,4,4: 78:[16, 38] Operation: 66-28=38 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 78:[16, 38], Operations: ['97-69=28', '66-28=38'] Exploring Operation: 38-16=22, Resulting Numbers: [22] 22,78 unequal: No Solution Exploring Operation: 16*38=608, Resulting Numbers: [608] 608,78 unequal: No Solution Exploring Operation: 16+38=54, Resulting Numbers: [54] 54,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 78:[28, 82], Operations: ['97-69=28', '66+16=82'] Exploring Operation: 82-28=54, Resulting Numbers: [54] 54,78 unequal: No Solution Exploring Operation: 28+82=110, Resulting Numbers: [110] 110,78 unequal: No Solution Exploring Operation: 28*82=2296, Resulting Numbers: [2296] 2296,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 78:[66, 12], Operations: ['97-69=28', '28-16=12'] Exploring Operation: 66+12=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[66, 97, 69, 16], Operations: [] Exploring Operation: 97-69=28, Resulting Numbers: [66, 16, 28] Generated Node #0,4: 78:[66, 16, 28] Operation: 97-69=28 Moving to Node #0,4 Current State: 78:[66, 16, 28], Operations: ['97-69=28'] Exploring Operation: 28-16=12, Resulting Numbers: [66, 12] Generated Node #0,4,1: 78:[66, 12] Operation: 28-16=12 Moving to Node #0,4,1 Current State: 78:[66, 12], Operations: ['97-69=28', '28-16=12'] Exploring Operation: 66+12=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 1
0.977431
hs_5
mult_heuristic
[ 9, 8, 97, 28 ]
39
[ "97-9=88", "88/8=11", "28+11=39" ]
Current State: 39:[9, 8, 97, 28], Operations: [] Exploring Operation: 97-9=88, Resulting Numbers: [8, 28, 88] Generated Node #2: [8, 28, 88] from Operation: 97-9=88 Current State: 39:[8, 28, 88], Operations: ['97-9=88'] Exploring Operation: 88/8=11, Resulting Numbers: [28, 11] Generated Node #3: [28, 11] from Operation: 88/8=11 Current State: 39:[28, 11], Operations: ['97-9=88', '88/8=11'] Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[9, 8, 97, 28], Operations: [] Exploring Operation: 97-28=69, Resulting Numbers: [9, 8, 69] Generated Node #0,0: 39:[9, 8, 69] Operation: 97-28=69 Exploring Operation: 97-8=89, Resulting Numbers: [9, 28, 89] Generated Node #0,1: 39:[9, 28, 89] Operation: 97-8=89 Exploring Operation: 97-9=88, Resulting Numbers: [8, 28, 88] Generated Node #0,2: 39:[8, 28, 88] Operation: 97-9=88 Exploring Operation: 8+28=36, Resulting Numbers: [9, 97, 36] Generated Node #0,3: 39:[9, 97, 36] Operation: 8+28=36 Exploring Operation: 9+28=37, Resulting Numbers: [8, 97, 37] Generated Node #0,4: 39:[8, 97, 37] Operation: 9+28=37 Moving to Node #0,0 Current State: 39:[9, 8, 69], Operations: ['97-28=69'] Exploring Operation: 9-8=1, Resulting Numbers: [69, 1] Generated Node #0,0,0: 39:[69, 1] Operation: 9-8=1 Exploring Operation: 9+8=17, Resulting Numbers: [69, 17] Generated Node #0,0,1: 39:[69, 17] Operation: 9+8=17 Exploring Operation: 69-8=61, Resulting Numbers: [9, 61] Generated Node #0,0,2: 39:[9, 61] Operation: 69-8=61 Exploring Operation: 69-9=60, Resulting Numbers: [8, 60] Generated Node #0,0,3: 39:[8, 60] Operation: 69-9=60 Exploring Operation: 8+69=77, Resulting Numbers: [9, 77] Generated Node #0,0,4: 39:[9, 77] Operation: 8+69=77 Moving to Node #0,2 Current State: 39:[8, 28, 88], Operations: ['97-9=88'] Exploring Operation: 8+28=36, Resulting Numbers: [88, 36] Generated Node #0,2,0: 39:[88, 36] Operation: 8+28=36 Exploring Operation: 88-8=80, Resulting Numbers: [28, 80] Generated Node #0,2,1: 39:[28, 80] Operation: 88-8=80 Exploring Operation: 88-28=60, Resulting Numbers: [8, 60] Generated Node #0,2,2: 39:[8, 60] Operation: 88-28=60 Exploring Operation: 88/8=11, Resulting Numbers: [28, 11] Generated Node #0,2,3: 39:[28, 11] Operation: 88/8=11 Exploring Operation: 28-8=20, Resulting Numbers: [88, 20] Generated Node #0,2,4: 39:[88, 20] Operation: 28-8=20 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 39:[28, 11], Operations: ['97-9=88', '88/8=11'] Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,39 unequal: No Solution Exploring Operation: 28*11=308, Resulting Numbers: [308] 308,39 unequal: No Solution Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[9, 8, 97, 28], Operations: [] Exploring Operation: 97-9=88, Resulting Numbers: [8, 28, 88] Generated Node #0,2: 39:[8, 28, 88] Operation: 97-9=88 Moving to Node #0,2 Current State: 39:[8, 28, 88], Operations: ['97-9=88'] Exploring Operation: 88/8=11, Resulting Numbers: [28, 11] Generated Node #0,2,3: 39:[28, 11] Operation: 88/8=11 Moving to Node #0,2,3 Current State: 39:[28, 11], Operations: ['97-9=88', '88/8=11'] Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.980903
hs_5
sum_heuristic
[ 21, 71, 76, 3 ]
23
[ "71-21=50", "76-3=73", "73-50=23" ]
Current State: 23:[21, 71, 76, 3], Operations: [] Exploring Operation: 71-21=50, Resulting Numbers: [76, 3, 50] Generated Node #2: [76, 3, 50] from Operation: 71-21=50 Current State: 23:[76, 3, 50], Operations: ['71-21=50'] Exploring Operation: 76-3=73, Resulting Numbers: [50, 73] Generated Node #3: [50, 73] from Operation: 76-3=73 Current State: 23:[50, 73], Operations: ['71-21=50', '76-3=73'] Exploring Operation: 73-50=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[21, 71, 76, 3], Operations: [] Exploring Operation: 76-71=5, Resulting Numbers: [21, 3, 5] Generated Node #0,0: 23:[21, 3, 5] Operation: 76-71=5 Exploring Operation: 71-21=50, Resulting Numbers: [76, 3, 50] Generated Node #0,1: 23:[76, 3, 50] Operation: 71-21=50 Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[21, 3, 5], Operations: ['76-71=5'] Exploring Operation: 3*5=15, Resulting Numbers: [21, 15] Generated Node #0,0,0: 23:[21, 15] Operation: 3*5=15 Exploring Operation: 3+5=8, Resulting Numbers: [21, 8] Generated Node #0,0,1: 23:[21, 8] Operation: 3+5=8 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[21, 15], Operations: ['76-71=5', '3*5=15'] Exploring Operation: 21-15=6, Resulting Numbers: [6] 6,23 unequal: No Solution Exploring Operation: 21+15=36, Resulting Numbers: [36] 36,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[21, 8], Operations: ['76-71=5', '3+5=8'] Exploring Operation: 21+8=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 21-8=13, Resulting Numbers: [13] 13,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[76, 3, 50], Operations: ['71-21=50'] Exploring Operation: 76-3=73, Resulting Numbers: [50, 73] Generated Node #0,1,0: 23:[50, 73] Operation: 76-3=73 Exploring Operation: 76-50=26, Resulting Numbers: [3, 26] Generated Node #0,1,1: 23:[3, 26] Operation: 76-50=26 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 23:[3, 26], Operations: ['71-21=50', '76-50=26'] Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,23 unequal: No Solution Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Moving to Node #0 Current State: 23:[21, 71, 76, 3], Operations: [] Exploring Operation: 71-21=50, Resulting Numbers: [76, 3, 50] Generated Node #0,1: 23:[76, 3, 50] Operation: 71-21=50 Moving to Node #0,1 Current State: 23:[76, 3, 50], Operations: ['71-21=50'] Exploring Operation: 76-50=26, Resulting Numbers: [3, 26] Generated Node #0,1,1: 23:[3, 26] Operation: 76-50=26 Moving to Node #0,1,1 Current State: 23:[3, 26], Operations: ['71-21=50', '76-50=26'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,23 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_2
mult_heuristic
[ 6, 8, 33, 42 ]
86
[ "8*33=264", "264/6=44", "42+44=86" ]
Current State: 86:[6, 8, 33, 42], Operations: [] Exploring Operation: 8*33=264, Resulting Numbers: [6, 42, 264] Generated Node #2: [6, 42, 264] from Operation: 8*33=264 Current State: 86:[6, 42, 264], Operations: ['8*33=264'] Exploring Operation: 264/6=44, Resulting Numbers: [42, 44] Generated Node #3: [42, 44] from Operation: 264/6=44 Current State: 86:[42, 44], Operations: ['8*33=264', '264/6=44'] Exploring Operation: 42+44=86, Resulting Numbers: [86] 86,86 equal: Goal Reached
4
Current State: 86:[6, 8, 33, 42], Operations: [] Exploring Operation: 42-33=9, Resulting Numbers: [6, 8, 9] Generated Node #0,0: 86:[6, 8, 9] Operation: 42-33=9 Exploring Operation: 6*8=48, Resulting Numbers: [33, 42, 48] Generated Node #0,1: 86:[33, 42, 48] Operation: 6*8=48 Exploring Operation: 8-6=2, Resulting Numbers: [33, 42, 2] Generated Node #0,2: 86:[33, 42, 2] Operation: 8-6=2 Exploring Operation: 6+33=39, Resulting Numbers: [8, 42, 39] Generated Node #0,3: 86:[8, 42, 39] Operation: 6+33=39 Exploring Operation: 8+33=41, Resulting Numbers: [6, 42, 41] Generated Node #0,4: 86:[6, 42, 41] Operation: 8+33=41 Moving to Node #0,4 Current State: 86:[6, 42, 41], Operations: ['8+33=41'] Exploring Operation: 42/6=7, Resulting Numbers: [41, 7] Generated Node #0,4,0: 86:[41, 7] Operation: 42/6=7 Exploring Operation: 42+41=83, Resulting Numbers: [6, 83] Generated Node #0,4,1: 86:[6, 83] Operation: 42+41=83 Exploring Operation: 42-41=1, Resulting Numbers: [6, 1] Generated Node #0,4,2: 86:[6, 1] Operation: 42-41=1 Exploring Operation: 6+41=47, Resulting Numbers: [42, 47] Generated Node #0,4,3: 86:[42, 47] Operation: 6+41=47 Exploring Operation: 6+42=48, Resulting Numbers: [41, 48] Generated Node #0,4,4: 86:[41, 48] Operation: 6+42=48 Moving to Node #0,3 Current State: 86:[8, 42, 39], Operations: ['6+33=39'] Exploring Operation: 42+39=81, Resulting Numbers: [8, 81] Generated Node #0,3,0: 86:[8, 81] Operation: 42+39=81 Exploring Operation: 8+42=50, Resulting Numbers: [39, 50] Generated Node #0,3,1: 86:[39, 50] Operation: 8+42=50 Exploring Operation: 8+39=47, Resulting Numbers: [42, 47] Generated Node #0,3,2: 86:[42, 47] Operation: 8+39=47 Exploring Operation: 42-8=34, Resulting Numbers: [39, 34] Generated Node #0,3,3: 86:[39, 34] Operation: 42-8=34 Exploring Operation: 42-39=3, Resulting Numbers: [8, 3] Generated Node #0,3,4: 86:[8, 3] Operation: 42-39=3 Moving to Node #0,2 Current State: 86:[33, 42, 2], Operations: ['8-6=2'] Exploring Operation: 42*2=84, Resulting Numbers: [33, 84] Generated Node #0,2,0: 86:[33, 84] Operation: 42*2=84 Exploring Operation: 33+42=75, Resulting Numbers: [2, 75] Generated Node #0,2,1: 86:[2, 75] Operation: 33+42=75 Exploring Operation: 33+2=35, Resulting Numbers: [42, 35] Generated Node #0,2,2: 86:[42, 35] Operation: 33+2=35 Exploring Operation: 42+2=44, Resulting Numbers: [33, 44] Generated Node #0,2,3: 86:[33, 44] Operation: 42+2=44 Exploring Operation: 42-33=9, Resulting Numbers: [2, 9] Generated Node #0,2,4: 86:[2, 9] Operation: 42-33=9 Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 86:[2, 9], Operations: ['8-6=2', '42-33=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 2*9=18, Resulting Numbers: [18] 18,86 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,86 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 #0,2,2 Current State: 86:[42, 35], Operations: ['8-6=2', '33+2=35'] Exploring Operation: 42-35=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 42*35=1470, Resulting Numbers: [1470] 1470,86 unequal: No Solution Exploring Operation: 42+35=77, Resulting Numbers: [77] 77,86 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 #0,2,1 Current State: 86:[2, 75], Operations: ['8-6=2', '33+42=75'] Exploring Operation: 2+75=77, Resulting Numbers: [77] 77,86 unequal: No Solution Exploring Operation: 2*75=150, Resulting Numbers: [150] 150,86 unequal: No Solution Exploring Operation: 75-2=73, Resulting Numbers: [73] 73,86 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 #0,2,3 Current State: 86:[33, 44], Operations: ['8-6=2', '42+2=44'] Exploring Operation: 33*44=1452, Resulting Numbers: [1452] 1452,86 unequal: No Solution Exploring Operation: 33+44=77, Resulting Numbers: [77] 77,86 unequal: No Solution Exploring Operation: 44-33=11, Resulting Numbers: [11] 11,86 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 #0,2,0 Current State: 86:[33, 84], Operations: ['8-6=2', '42*2=84'] Exploring Operation: 84-33=51, Resulting Numbers: [51] 51,86 unequal: No Solution Exploring Operation: 33+84=117, Resulting Numbers: [117] 117,86 unequal: No Solution Exploring Operation: 33*84=2772, Resulting Numbers: [2772] 2772,86 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:[33, 42, 48], Operations: ['6*8=48'] Exploring Operation: 48-42=6, Resulting Numbers: [33, 6] Generated Node #0,1,0: 86:[33, 6] Operation: 48-42=6 Exploring Operation: 33+48=81, Resulting Numbers: [42, 81] Generated Node #0,1,1: 86:[42, 81] Operation: 33+48=81 Exploring Operation: 42-33=9, Resulting Numbers: [48, 9] Generated Node #0,1,2: 86:[48, 9] Operation: 42-33=9 Exploring Operation: 48-33=15, Resulting Numbers: [42, 15] Generated Node #0,1,3: 86:[42, 15] Operation: 48-33=15 Exploring Operation: 42+48=90, Resulting Numbers: [33, 90] Generated Node #0,1,4: 86:[33, 90] Operation: 42+48=90 Moving to Node #0,0 Current State: 86:[6, 8, 9], Operations: ['42-33=9'] Exploring Operation: 8-6=2, Resulting Numbers: [9, 2] Generated Node #0,0,0: 86:[9, 2] Operation: 8-6=2 Exploring Operation: 9-6=3, Resulting Numbers: [8, 3] Generated Node #0,0,1: 86:[8, 3] Operation: 9-6=3 Exploring Operation: 6*9=54, Resulting Numbers: [8, 54] Generated Node #0,0,2: 86:[8, 54] Operation: 6*9=54 Exploring Operation: 9-8=1, Resulting Numbers: [6, 1] Generated Node #0,0,3: 86:[6, 1] Operation: 9-8=1 Exploring Operation: 6*8=48, Resulting Numbers: [9, 48] Generated Node #0,0,4: 86:[9, 48] Operation: 6*8=48 Moving to Node #0,4,2 Current State: 86:[6, 1], Operations: ['8+33=41', '42-41=1'] Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,86 unequal: No Solution Moving to Node #0,3,2 Current State: 86:[42, 47], Operations: ['6+33=39', '8+39=47'] Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 42*47=1974, Resulting Numbers: [1974] 1974,86 unequal: No Solution Exploring Operation: 42+47=89, Resulting Numbers: [89] 89,86 unequal: No Solution Moving to Node #0,4,3 Current State: 86:[42, 47], Operations: ['8+33=41', '6+41=47'] Exploring Operation: 42+47=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 47-42=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 42*47=1974, Resulting Numbers: [1974] 1974,86 unequal: No Solution Moving to Node #0,0,3 Current State: 86:[6, 1], Operations: ['42-33=9', '9-8=1'] Exploring Operation: 6+1=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 6*1=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,86 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,86 unequal: No Solution Moving to Node #0,1,1 Current State: 86:[42, 81], Operations: ['6*8=48', '33+48=81'] Exploring Operation: 42+81=123, Resulting Numbers: [123] 123,86 unequal: No Solution Exploring Operation: 42*81=3402, Resulting Numbers: [3402] 3402,86 unequal: No Solution Exploring Operation: 81-42=39, Resulting Numbers: [39] 39,86 unequal: No Solution Moving to Node #0,3,4 Current State: 86:[8, 3], Operations: ['6+33=39', '42-39=3'] Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,86 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,86 unequal: No Solution Moving to Node #0,4,0 Current State: 86:[41, 7], Operations: ['8+33=41', '42/6=7'] Exploring Operation: 41*7=287, Resulting Numbers: [287] 287,86 unequal: No Solution Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,86 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,86 unequal: No Solution Moving to Node #0,4,4 Current State: 86:[41, 48], Operations: ['8+33=41', '6+42=48'] Exploring Operation: 41+48=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 41*48=1968, Resulting Numbers: [1968] 1968,86 unequal: No Solution Exploring Operation: 48-41=7, Resulting Numbers: [7] 7,86 unequal: No Solution Moving to Node #0,0,0 Current State: 86:[9, 2], Operations: ['42-33=9', '8-6=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 9-2=7, Resulting Numbers: [7] 7,86 unequal: No Solution Exploring Operation: 9*2=18, Resulting Numbers: [18] 18,86 unequal: No Solution Moving to Node #0,0,1 Current State: 86:[8, 3], Operations: ['42-33=9', '9-6=3'] Exploring Operation: 8+3=11, Resulting Numbers: [11] 11,86 unequal: No Solution Exploring Operation: 8*3=24, Resulting Numbers: [24] 24,86 unequal: No Solution Exploring Operation: 8-3=5, Resulting Numbers: [5] 5,86 unequal: No Solution Moving to Node #0,4,1 Current State: 86:[6, 83], Operations: ['8+33=41', '42+41=83'] Exploring Operation: 83-6=77, Resulting Numbers: [77] 77,86 unequal: No Solution Exploring Operation: 6+83=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 6*83=498, Resulting Numbers: [498] 498,86 unequal: No Solution Moving to Node #0,3,0 Current State: 86:[8, 81], Operations: ['6+33=39', '42+39=81'] Exploring Operation: 8+81=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 81-8=73, Resulting Numbers: [73] 73,86 unequal: No Solution Exploring Operation: 8*81=648, Resulting Numbers: [648] 648,86 unequal: No Solution Moving to Node #0,3,1 Current State: 86:[39, 50], Operations: ['6+33=39', '8+42=50'] Exploring Operation: 39*50=1950, Resulting Numbers: [1950] 1950,86 unequal: No Solution Exploring Operation: 39+50=89, Resulting Numbers: [89] 89,86 unequal: No Solution Exploring Operation: 50-39=11, Resulting Numbers: [11] 11,86 unequal: No Solution Moving to Node #0,1,2 Current State: 86:[48, 9], Operations: ['6*8=48', '42-33=9'] Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 48*9=432, Resulting Numbers: [432] 432,86 unequal: No Solution Exploring Operation: 48+9=57, Resulting Numbers: [57] 57,86 unequal: No Solution Moving to Node #0,0,4 Current State: 86:[9, 48], Operations: ['42-33=9', '6*8=48'] Exploring Operation: 9+48=57, Resulting Numbers: [57] 57,86 unequal: No Solution Exploring Operation: 48-9=39, Resulting Numbers: [39] 39,86 unequal: No Solution Exploring Operation: 9*48=432, Resulting Numbers: [432] 432,86 unequal: No Solution Moving to Node #0,3,3 Current State: 86:[39, 34], Operations: ['6+33=39', '42-8=34'] Exploring Operation: 39-34=5, Resulting Numbers: [5] 5,86 unequal: No Solution Exploring Operation: 39+34=73, Resulting Numbers: [73] 73,86 unequal: No Solution Exploring Operation: 39*34=1326, Resulting Numbers: [1326] 1326,86 unequal: No Solution Moving to Node #0,1,3 Current State: 86:[42, 15], Operations: ['6*8=48', '48-33=15'] Exploring Operation: 42*15=630, Resulting Numbers: [630] 630,86 unequal: No Solution Exploring Operation: 42+15=57, Resulting Numbers: [57] 57,86 unequal: No Solution Exploring Operation: 42-15=27, Resulting Numbers: [27] 27,86 unequal: No Solution Moving to Node #0,1,0 Current State: 86:[33, 6], Operations: ['6*8=48', '48-42=6'] Exploring Operation: 33*6=198, Resulting Numbers: [198] 198,86 unequal: No Solution Exploring Operation: 33-6=27, Resulting Numbers: [27] 27,86 unequal: No Solution Exploring Operation: 33+6=39, Resulting Numbers: [39] 39,86 unequal: No Solution Moving to Node #0,1,4 Current State: 86:[33, 90], Operations: ['6*8=48', '42+48=90'] Exploring Operation: 33*90=2970, Resulting Numbers: [2970] 2970,86 unequal: No Solution Exploring Operation: 90-33=57, Resulting Numbers: [57] 57,86 unequal: No Solution Exploring Operation: 33+90=123, Resulting Numbers: [123] 123,86 unequal: No Solution Moving to Node #0,0,2 Current State: 86:[8, 54], Operations: ['42-33=9', '6*9=54'] Exploring Operation: 54-8=46, Resulting Numbers: [46] 46,86 unequal: No Solution Exploring Operation: 8*54=432, Resulting Numbers: [432] 432,86 unequal: No Solution Exploring Operation: 8+54=62, Resulting Numbers: [62] 62,86 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 72, 58, 29, 10 ]
80
[ "72+10=82", "58/29=2", "82-2=80" ]
Current State: 80:[72, 58, 29, 10], Operations: [] Exploring Operation: 72+10=82, Resulting Numbers: [58, 29, 82] Generated Node #2: [58, 29, 82] from Operation: 72+10=82 Current State: 80:[58, 29, 82], Operations: ['72+10=82'] Exploring Operation: 58/29=2, Resulting Numbers: [82, 2] Generated Node #3: [82, 2] from Operation: 58/29=2 Current State: 80:[82, 2], Operations: ['72+10=82', '58/29=2'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[72, 58, 29, 10], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [72, 10, 2] Generated Node #0,0: 80:[72, 10, 2] Operation: 58/29=2 Exploring Operation: 72-58=14, Resulting Numbers: [29, 10, 14] Generated Node #0,1: 80:[29, 10, 14] Operation: 72-58=14 Exploring Operation: 58+29=87, Resulting Numbers: [72, 10, 87] Generated Node #0,2: 80:[72, 10, 87] Operation: 58+29=87 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[72, 10, 2], Operations: ['58/29=2'] Exploring Operation: 72/2=36, Resulting Numbers: [10, 36] Generated Node #0,0,0: 80:[10, 36] Operation: 72/2=36 Exploring Operation: 72+10=82, Resulting Numbers: [2, 82] Generated Node #0,0,1: 80:[2, 82] Operation: 72+10=82 Exploring Operation: 72+2=74, Resulting Numbers: [10, 74] Generated Node #0,0,2: 80:[10, 74] Operation: 72+2=74 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 80:[2, 82], Operations: ['58/29=2', '72+10=82'] Exploring Operation: 82/2=41, Resulting Numbers: [41] 41,80 unequal: No Solution Exploring Operation: 2+82=84, Resulting Numbers: [84] 84,80 unequal: No Solution Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[72, 58, 29, 10], Operations: [] Exploring Operation: 58/29=2, Resulting Numbers: [72, 10, 2] Generated Node #0,0: 80:[72, 10, 2] Operation: 58/29=2 Moving to Node #0,0 Current State: 80:[72, 10, 2], Operations: ['58/29=2'] Exploring Operation: 72+10=82, Resulting Numbers: [2, 82] Generated Node #0,0,1: 80:[2, 82] Operation: 72+10=82 Moving to Node #0,0,1 Current State: 80:[2, 82], Operations: ['58/29=2', '72+10=82'] Exploring Operation: 82-2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 48, 21, 84, 22 ]
89
[ "48-21=27", "84-22=62", "27+62=89" ]
Current State: 89:[48, 21, 84, 22], Operations: [] Exploring Operation: 48-21=27, Resulting Numbers: [84, 22, 27] Generated Node #2: [84, 22, 27] from Operation: 48-21=27 Current State: 89:[84, 22, 27], Operations: ['48-21=27'] Exploring Operation: 84-22=62, Resulting Numbers: [27, 62] Generated Node #3: [27, 62] from Operation: 84-22=62 Current State: 89:[27, 62], Operations: ['48-21=27', '84-22=62'] Exploring Operation: 27+62=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[48, 21, 84, 22], Operations: [] Exploring Operation: 48+22=70, Resulting Numbers: [21, 84, 70] Generated Node #0,0: 89:[21, 84, 70] Operation: 48+22=70 Exploring Operation: 48+21=69, Resulting Numbers: [84, 22, 69] Generated Node #0,1: 89:[84, 22, 69] Operation: 48+21=69 Exploring Operation: 84+22=106, Resulting Numbers: [48, 21, 106] Generated Node #0,2: 89:[48, 21, 106] Operation: 84+22=106 Exploring Operation: 21+22=43, Resulting Numbers: [48, 84, 43] Generated Node #0,3: 89:[48, 84, 43] Operation: 21+22=43 Exploring Operation: 21+84=105, Resulting Numbers: [48, 22, 105] Generated Node #0,4: 89:[48, 22, 105] Operation: 21+84=105 Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[21, 84, 70], Operations: ['48+22=70'] Exploring Operation: 84-21=63, Resulting Numbers: [70, 63] Generated Node #0,0,0: 89:[70, 63] Operation: 84-21=63 Exploring Operation: 84/21=4, Resulting Numbers: [70, 4] Generated Node #0,0,1: 89:[70, 4] Operation: 84/21=4 Exploring Operation: 21+70=91, Resulting Numbers: [84, 91] Generated Node #0,0,2: 89:[84, 91] Operation: 21+70=91 Exploring Operation: 21+84=105, Resulting Numbers: [70, 105] Generated Node #0,0,3: 89:[70, 105] Operation: 21+84=105 Exploring Operation: 70-21=49, Resulting Numbers: [84, 49] Generated Node #0,0,4: 89:[84, 49] Operation: 70-21=49 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 89:[84, 91], Operations: ['48+22=70', '21+70=91'] Exploring Operation: 84+91=175, Resulting Numbers: [175] 175,89 unequal: No Solution Exploring Operation: 84*91=7644, Resulting Numbers: [7644] 7644,89 unequal: No Solution Exploring Operation: 91-84=7, Resulting Numbers: [7] 7,89 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:[70, 105], Operations: ['48+22=70', '21+84=105'] Exploring Operation: 105-70=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 70*105=7350, Resulting Numbers: [7350] 7350,89 unequal: No Solution Exploring Operation: 70+105=175, Resulting Numbers: [175] 175,89 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:[70, 63], Operations: ['48+22=70', '84-21=63'] Exploring Operation: 70-63=7, Resulting Numbers: [7] 7,89 unequal: No Solution Exploring Operation: 70+63=133, Resulting Numbers: [133] 133,89 unequal: No Solution Exploring Operation: 70*63=4410, Resulting Numbers: [4410] 4410,89 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:[84, 49], Operations: ['48+22=70', '70-21=49'] Exploring Operation: 84*49=4116, Resulting Numbers: [4116] 4116,89 unequal: No Solution Exploring Operation: 84-49=35, Resulting Numbers: [35] 35,89 unequal: No Solution Exploring Operation: 84+49=133, Resulting Numbers: [133] 133,89 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 #0,0,1 Current State: 89:[70, 4], Operations: ['48+22=70', '84/21=4'] Exploring Operation: 70+4=74, Resulting Numbers: [74] 74,89 unequal: No Solution Exploring Operation: 70*4=280, Resulting Numbers: [280] 280,89 unequal: No Solution Exploring Operation: 70-4=66, Resulting Numbers: [66] 66,89 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:[84, 22, 69], Operations: ['48+21=69'] Exploring Operation: 84+22=106, Resulting Numbers: [69, 106] Generated Node #0,1,0: 89:[69, 106] Operation: 84+22=106 Exploring Operation: 84-22=62, Resulting Numbers: [69, 62] Generated Node #0,1,1: 89:[69, 62] Operation: 84-22=62 Exploring Operation: 22+69=91, Resulting Numbers: [84, 91] Generated Node #0,1,2: 89:[84, 91] Operation: 22+69=91 Exploring Operation: 84+69=153, Resulting Numbers: [22, 153] Generated Node #0,1,3: 89:[22, 153] Operation: 84+69=153 Exploring Operation: 69-22=47, Resulting Numbers: [84, 47] Generated Node #0,1,4: 89:[84, 47] Operation: 69-22=47 Moving to Node #0,1,2 Current State: 89:[84, 91], Operations: ['48+21=69', '22+69=91'] Exploring Operation: 91-84=7, Resulting Numbers: [7] 7,89 unequal: No Solution Exploring Operation: 84+91=175, Resulting Numbers: [175] 175,89 unequal: No Solution Exploring Operation: 84*91=7644, Resulting Numbers: [7644] 7644,89 unequal: No Solution Moving to Node #0,1,0 Current State: 89:[69, 106], Operations: ['48+21=69', '84+22=106'] Exploring Operation: 69*106=7314, Resulting Numbers: [7314] 7314,89 unequal: No Solution Exploring Operation: 106-69=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 69+106=175, Resulting Numbers: [175] 175,89 unequal: No Solution Moving to Node #0,1,1 Current State: 89:[69, 62], Operations: ['48+21=69', '84-22=62'] Exploring Operation: 69*62=4278, Resulting Numbers: [4278] 4278,89 unequal: No Solution Exploring Operation: 69-62=7, Resulting Numbers: [7] 7,89 unequal: No Solution Exploring Operation: 69+62=131, Resulting Numbers: [131] 131,89 unequal: No Solution Moving to Node #0,1,4 Current State: 89:[84, 47], Operations: ['48+21=69', '69-22=47'] Exploring Operation: 84-47=37, Resulting Numbers: [37] 37,89 unequal: No Solution Exploring Operation: 84*47=3948, Resulting Numbers: [3948] 3948,89 unequal: No Solution Exploring Operation: 84+47=131, Resulting Numbers: [131] 131,89 unequal: No Solution Moving to Node #0,1,3 Current State: 89:[22, 153], Operations: ['48+21=69', '84+69=153'] Exploring Operation: 22*153=3366, Resulting Numbers: [3366] 3366,89 unequal: No Solution Exploring Operation: 153-22=131, Resulting Numbers: [131] 131,89 unequal: No Solution Exploring Operation: 22+153=175, Resulting Numbers: [175] 175,89 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 #0,3 Current State: 89:[48, 84, 43], Operations: ['21+22=43'] Exploring Operation: 48+43=91, Resulting Numbers: [84, 91] Generated Node #0,3,0: 89:[84, 91] Operation: 48+43=91 Exploring Operation: 84+43=127, Resulting Numbers: [48, 127] Generated Node #0,3,1: 89:[48, 127] Operation: 84+43=127 Exploring Operation: 48+84=132, Resulting Numbers: [43, 132] Generated Node #0,3,2: 89:[43, 132] Operation: 48+84=132 Exploring Operation: 48-43=5, Resulting Numbers: [84, 5] Generated Node #0,3,3: 89:[84, 5] Operation: 48-43=5 Exploring Operation: 84-43=41, Resulting Numbers: [48, 41] Generated Node #0,3,4: 89:[48, 41] Operation: 84-43=41 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 89:[84, 91], Operations: ['21+22=43', '48+43=91'] Exploring Operation: 84+91=175, Resulting Numbers: [175] 175,89 unequal: No Solution Exploring Operation: 91-84=7, Resulting Numbers: [7] 7,89 unequal: No Solution Exploring Operation: 84*91=7644, Resulting Numbers: [7644] 7644,89 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 #0,3,1 Current State: 89:[48, 127], Operations: ['21+22=43', '84+43=127'] Exploring Operation: 48+127=175, Resulting Numbers: [175] 175,89 unequal: No Solution Exploring Operation: 127-48=79, Resulting Numbers: [79] 79,89 unequal: No Solution Exploring Operation: 48*127=6096, Resulting Numbers: [6096] 6096,89 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 #0,3,2 Current State: 89:[43, 132], Operations: ['21+22=43', '48+84=132'] Exploring Operation: 132-43=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[48, 21, 84, 22], Operations: [] Exploring Operation: 21+22=43, Resulting Numbers: [48, 84, 43] Generated Node #0,3: 89:[48, 84, 43] Operation: 21+22=43 Moving to Node #0,3 Current State: 89:[48, 84, 43], Operations: ['21+22=43'] Exploring Operation: 48+84=132, Resulting Numbers: [43, 132] Generated Node #0,3,2: 89:[43, 132] Operation: 48+84=132 Moving to Node #0,3,2 Current State: 89:[43, 132], Operations: ['21+22=43', '48+84=132'] Exploring Operation: 132-43=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.947049
hs_5
sum_heuristic
[ 82, 83, 5, 62 ]
67
[ "83-82=1", "5+62=67", "1*67=67" ]
Current State: 67:[82, 83, 5, 62], Operations: [] Exploring Operation: 83-82=1, Resulting Numbers: [5, 62, 1] Generated Node #2: [5, 62, 1] from Operation: 83-82=1 Current State: 67:[5, 62, 1], Operations: ['83-82=1'] Exploring Operation: 5+62=67, Resulting Numbers: [1, 67] Generated Node #3: [1, 67] from Operation: 5+62=67 Current State: 67:[1, 67], Operations: ['83-82=1', '5+62=67'] Exploring Operation: 1*67=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[82, 83, 5, 62], Operations: [] Exploring Operation: 82+5=87, Resulting Numbers: [83, 62, 87] Generated Node #0,0: 67:[83, 62, 87] Operation: 82+5=87 Exploring Operation: 5+62=67, Resulting Numbers: [82, 83, 67] Generated Node #0,1: 67:[82, 83, 67] Operation: 5+62=67 Exploring Operation: 83-5=78, Resulting Numbers: [82, 62, 78] Generated Node #0,2: 67:[82, 62, 78] Operation: 83-5=78 Exploring Operation: 82-5=77, Resulting Numbers: [83, 62, 77] Generated Node #0,3: 67:[83, 62, 77] Operation: 82-5=77 Start Sub Search at level 1: Moving to Node #0,1 Current State: 67:[82, 83, 67], Operations: ['5+62=67'] Exploring Operation: 83-67=16, Resulting Numbers: [82, 16] Generated Node #0,1,0: 67:[82, 16] Operation: 83-67=16 Exploring Operation: 82-67=15, Resulting Numbers: [83, 15] Generated Node #0,1,1: 67:[83, 15] Operation: 82-67=15 Exploring Operation: 83-82=1, Resulting Numbers: [67, 1] Generated Node #0,1,2: 67:[67, 1] Operation: 83-82=1 Exploring Operation: 82+83=165, Resulting Numbers: [67, 165] Generated Node #0,1,3: 67:[67, 165] Operation: 82+83=165 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 67:[82, 16], Operations: ['5+62=67', '83-67=16'] Exploring Operation: 82-16=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 82*16=1312, Resulting Numbers: [1312] 1312,67 unequal: No Solution Exploring Operation: 82+16=98, Resulting Numbers: [98] 98,67 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 #0,1,2 Current State: 67:[67, 1], Operations: ['5+62=67', '83-82=1'] Exploring Operation: 67+1=68, Resulting Numbers: [68] 68,67 unequal: No Solution Exploring Operation: 67-1=66, Resulting Numbers: [66] 66,67 unequal: No Solution Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[82, 83, 5, 62], Operations: [] Exploring Operation: 5+62=67, Resulting Numbers: [82, 83, 67] Generated Node #0,1: 67:[82, 83, 67] Operation: 5+62=67 Moving to Node #0,1 Current State: 67:[82, 83, 67], Operations: ['5+62=67'] Exploring Operation: 83-82=1, Resulting Numbers: [67, 1] Generated Node #0,1,2: 67:[67, 1] Operation: 83-82=1 Moving to Node #0,1,2 Current State: 67:[67, 1], Operations: ['5+62=67', '83-82=1'] Exploring Operation: 67*1=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.984375
hs_4
mult_heuristic
[ 45, 10, 94, 45 ]
14
[ "45-10=35", "94-45=49", "49-35=14" ]
Current State: 14:[45, 10, 94, 45], Operations: [] Exploring Operation: 45-10=35, Resulting Numbers: [94, 35] Generated Node #2: [94, 35] from Operation: 45-10=35 Current State: 14:[94, 35], Operations: ['45-10=35'] Exploring Operation: 94-45=49, Resulting Numbers: [35, 49] Generated Node #3: [35, 49] from Operation: 94-45=49 Current State: 14:[35, 49], Operations: ['45-10=35', '94-45=49'] Exploring Operation: 49-35=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[45, 10, 94, 45], Operations: [] Exploring Operation: 94-45=49, Resulting Numbers: [10, 45, 49] Generated Node #0,0: 14:[10, 45, 49] Operation: 94-45=49 Moving to Node #0,0 Current State: 14:[10, 45, 49], Operations: ['94-45=49'] Exploring Operation: 49-45=4, Resulting Numbers: [10, 4] Generated Node #0,0,0: 14:[10, 4] Operation: 49-45=4 Moving to Node #0,0,0 Current State: 14:[10, 4], Operations: ['94-45=49', '49-45=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached Moving to Node #0 Current State: 14:[45, 10, 94, 45], Operations: [] Exploring Operation: 94-45=49, Resulting Numbers: [10, 45, 49] Generated Node #0,0: 14:[10, 45, 49] Operation: 94-45=49 Moving to Node #0,0 Current State: 14:[10, 45, 49], Operations: ['94-45=49'] Exploring Operation: 49-45=4, Resulting Numbers: [10, 4] Generated Node #0,0,0: 14:[10, 4] Operation: 49-45=4 Moving to Node #0,0,0 Current State: 14:[10, 4], Operations: ['94-45=49', '49-45=4'] Exploring Operation: 10+4=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 18, 90, 40, 81 ]
67
[ "18+90=108", "81-40=41", "108-41=67" ]
Current State: 67:[18, 90, 40, 81], Operations: [] Exploring Operation: 18+90=108, Resulting Numbers: [40, 81, 108] Generated Node #2: [40, 81, 108] from Operation: 18+90=108 Current State: 67:[40, 81, 108], Operations: ['18+90=108'] Exploring Operation: 81-40=41, Resulting Numbers: [108, 41] Generated Node #3: [108, 41] from Operation: 81-40=41 Current State: 67:[108, 41], Operations: ['18+90=108', '81-40=41'] Exploring Operation: 108-41=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[18, 90, 40, 81], Operations: [] Exploring Operation: 81-18=63, Resulting Numbers: [90, 40, 63] Generated Node #0,0: 67:[90, 40, 63] Operation: 81-18=63 Exploring Operation: 90-18=72, Resulting Numbers: [40, 81, 72] Generated Node #0,1: 67:[40, 81, 72] Operation: 90-18=72 Exploring Operation: 18+40=58, Resulting Numbers: [90, 81, 58] Generated Node #0,2: 67:[90, 81, 58] Operation: 18+40=58 Moving to Node #0,1 Current State: 67:[40, 81, 72], Operations: ['90-18=72'] Exploring Operation: 72-40=32, Resulting Numbers: [81, 32] Generated Node #0,1,0: 67:[81, 32] Operation: 72-40=32 Exploring Operation: 81-40=41, Resulting Numbers: [72, 41] Generated Node #0,1,1: 67:[72, 41] Operation: 81-40=41 Exploring Operation: 40+81=121, Resulting Numbers: [72, 121] Generated Node #0,1,2: 67:[72, 121] Operation: 40+81=121 Moving to Node #0,2 Current State: 67:[90, 81, 58], Operations: ['18+40=58'] Exploring Operation: 90-58=32, Resulting Numbers: [81, 32] Generated Node #0,2,0: 67:[81, 32] Operation: 90-58=32 Exploring Operation: 81-58=23, Resulting Numbers: [90, 23] Generated Node #0,2,1: 67:[90, 23] Operation: 81-58=23 Exploring Operation: 90-81=9, Resulting Numbers: [58, 9] Generated Node #0,2,2: 67:[58, 9] Operation: 90-81=9 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 67:[81, 32], Operations: ['18+40=58', '90-58=32'] Exploring Operation: 81+32=113, Resulting Numbers: [113] 113,67 unequal: No Solution Exploring Operation: 81-32=49, Resulting Numbers: [49] 49,67 unequal: No Solution Exploring Operation: 81*32=2592, Resulting Numbers: [2592] 2592,67 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 #0,2,1 Current State: 67:[90, 23], Operations: ['18+40=58', '81-58=23'] Exploring Operation: 90+23=113, Resulting Numbers: [113] 113,67 unequal: No Solution Exploring Operation: 90-23=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Moving to Node #0 Current State: 67:[18, 90, 40, 81], Operations: [] Exploring Operation: 18+40=58, Resulting Numbers: [90, 81, 58] Generated Node #0,2: 67:[90, 81, 58] Operation: 18+40=58 Moving to Node #0,2 Current State: 67:[90, 81, 58], Operations: ['18+40=58'] Exploring Operation: 81-58=23, Resulting Numbers: [90, 23] Generated Node #0,2,1: 67:[90, 23] Operation: 81-58=23 Moving to Node #0,2,1 Current State: 67:[90, 23], Operations: ['18+40=58', '81-58=23'] Exploring Operation: 90-23=67, Resulting Numbers: [67] 67,67 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 25, 32, 13, 2 ]
69
[ "25*2=50", "32-13=19", "50+19=69" ]
Current State: 69:[25, 32, 13, 2], Operations: [] Exploring Operation: 25*2=50, Resulting Numbers: [32, 13, 50] Generated Node #2: [32, 13, 50] from Operation: 25*2=50 Current State: 69:[32, 13, 50], Operations: ['25*2=50'] Exploring Operation: 32-13=19, Resulting Numbers: [50, 19] Generated Node #3: [50, 19] from Operation: 32-13=19 Current State: 69:[50, 19], Operations: ['25*2=50', '32-13=19'] Exploring Operation: 50+19=69, Resulting Numbers: [69] 69,69 equal: Goal Reached
4
Current State: 69:[25, 32, 13, 2], Operations: [] Exploring Operation: 32-13=19, Resulting Numbers: [25, 2, 19] Generated Node #0,0: 69:[25, 2, 19] Operation: 32-13=19 Moving to Node #0,0 Current State: 69:[25, 2, 19], Operations: ['32-13=19'] Exploring Operation: 25-2=23, Resulting Numbers: [19, 23] Generated Node #0,0,0: 69:[19, 23] Operation: 25-2=23 Moving to Node #0,0,0 Current State: 69:[19, 23], Operations: ['32-13=19', '25-2=23'] Exploring Operation: 23-19=4, Resulting Numbers: [4] 4,69 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 46, 68, 11, 80 ]
82
[ "68-46=22", "22/11=2", "80+2=82" ]
Current State: 82:[46, 68, 11, 80], Operations: [] Exploring Operation: 68-46=22, Resulting Numbers: [11, 80, 22] Generated Node #2: [11, 80, 22] from Operation: 68-46=22 Current State: 82:[11, 80, 22], Operations: ['68-46=22'] Exploring Operation: 22/11=2, Resulting Numbers: [80, 2] Generated Node #3: [80, 2] from Operation: 22/11=2 Current State: 82:[80, 2], Operations: ['68-46=22', '22/11=2'] Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[46, 68, 11, 80], Operations: [] Exploring Operation: 68-11=57, Resulting Numbers: [46, 80, 57] Generated Node #0,0: 82:[46, 80, 57] Operation: 68-11=57 Exploring Operation: 46-11=35, Resulting Numbers: [68, 80, 35] Generated Node #0,1: 82:[68, 80, 35] Operation: 46-11=35 Exploring Operation: 68+11=79, Resulting Numbers: [46, 80, 79] Generated Node #0,2: 82:[46, 80, 79] Operation: 68+11=79 Start Sub Search at level 1: Moving to Node #0,2 Current State: 82:[46, 80, 79], Operations: ['68+11=79'] Exploring Operation: 80-79=1, Resulting Numbers: [46, 1] Generated Node #0,2,0: 82:[46, 1] Operation: 80-79=1 Exploring Operation: 80-46=34, Resulting Numbers: [79, 34] Generated Node #0,2,1: 82:[79, 34] Operation: 80-46=34 Exploring Operation: 79-46=33, Resulting Numbers: [80, 33] Generated Node #0,2,2: 82:[80, 33] Operation: 79-46=33 Moving to Node #0,2,0 Current State: 82:[46, 1], Operations: ['68+11=79', '80-79=1'] Exploring Operation: 46/1=46, Resulting Numbers: [46] 46,82 unequal: No Solution Exploring Operation: 46-1=45, Resulting Numbers: [45] 45,82 unequal: No Solution Exploring Operation: 46*1=46, Resulting Numbers: [46] 46,82 unequal: No Solution Moving to Node #0,2,1 Current State: 82:[79, 34], Operations: ['68+11=79', '80-46=34'] Exploring Operation: 79-34=45, Resulting Numbers: [45] 45,82 unequal: No Solution Exploring Operation: 79+34=113, Resulting Numbers: [113] 113,82 unequal: No Solution Exploring Operation: 79*34=2686, Resulting Numbers: [2686] 2686,82 unequal: No Solution Moving to Node #0,2,2 Current State: 82:[80, 33], Operations: ['68+11=79', '79-46=33'] Exploring Operation: 80+33=113, Resulting Numbers: [113] 113,82 unequal: No Solution Exploring Operation: 80*33=2640, Resulting Numbers: [2640] 2640,82 unequal: No Solution Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,82 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:[68, 80, 35], Operations: ['46-11=35'] Exploring Operation: 80-68=12, Resulting Numbers: [35, 12] Generated Node #0,1,0: 82:[35, 12] Operation: 80-68=12 Exploring Operation: 68-35=33, Resulting Numbers: [80, 33] Generated Node #0,1,1: 82:[80, 33] Operation: 68-35=33 Exploring Operation: 80-35=45, Resulting Numbers: [68, 45] Generated Node #0,1,2: 82:[68, 45] Operation: 80-35=45 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 82:[80, 33], Operations: ['46-11=35', '68-35=33'] Exploring Operation: 80-33=47, Resulting Numbers: [47] 47,82 unequal: No Solution Exploring Operation: 80+33=113, Resulting Numbers: [113] 113,82 unequal: No Solution Exploring Operation: 80*33=2640, Resulting Numbers: [2640] 2640,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 82:[35, 12], Operations: ['46-11=35', '80-68=12'] Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,82 unequal: No Solution Exploring Operation: 35*12=420, Resulting Numbers: [420] 420,82 unequal: No Solution Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 82:[68, 45], Operations: ['46-11=35', '80-35=45'] Exploring Operation: 68*45=3060, Resulting Numbers: [3060] 3060,82 unequal: No Solution Exploring Operation: 68-45=23, Resulting Numbers: [23] 23,82 unequal: No Solution Exploring Operation: 68+45=113, Resulting Numbers: [113] 113,82 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:[46, 80, 57], Operations: ['68-11=57'] Exploring Operation: 80-46=34, Resulting Numbers: [57, 34] Generated Node #0,0,0: 82:[57, 34] Operation: 80-46=34 Exploring Operation: 57-46=11, Resulting Numbers: [80, 11] Generated Node #0,0,1: 82:[80, 11] Operation: 57-46=11 Exploring Operation: 46+57=103, Resulting Numbers: [80, 103] Generated Node #0,0,2: 82:[80, 103] Operation: 46+57=103 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 82:[80, 11], Operations: ['68-11=57', '57-46=11'] Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,82 unequal: No Solution Exploring Operation: 80+11=91, Resulting Numbers: [91] 91,82 unequal: No Solution Exploring Operation: 80*11=880, Resulting Numbers: [880] 880,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 82:[57, 34], Operations: ['68-11=57', '80-46=34'] Exploring Operation: 57*34=1938, Resulting Numbers: [1938] 1938,82 unequal: No Solution Exploring Operation: 57-34=23, Resulting Numbers: [23] 23,82 unequal: No Solution Exploring Operation: 57+34=91, Resulting Numbers: [91] 91,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 82:[80, 103], Operations: ['68-11=57', '46+57=103'] Exploring Operation: 80*103=8240, Resulting Numbers: [8240] 8240,82 unequal: No Solution Exploring Operation: 80+103=183, Resulting Numbers: [183] 183,82 unequal: No Solution Exploring Operation: 103-80=23, Resulting Numbers: [23] 23,82 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 96, 3, 21, 30 ]
23
[ "96/3=32", "30-21=9", "32-9=23" ]
Current State: 23:[96, 3, 21, 30], Operations: [] Exploring Operation: 96/3=32, Resulting Numbers: [21, 30, 32] Generated Node #2: [21, 30, 32] from Operation: 96/3=32 Current State: 23:[21, 30, 32], Operations: ['96/3=32'] Exploring Operation: 30-21=9, Resulting Numbers: [32, 9] Generated Node #3: [32, 9] from Operation: 30-21=9 Current State: 23:[32, 9], Operations: ['96/3=32', '30-21=9'] Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[96, 3, 21, 30], Operations: [] Exploring Operation: 96/3=32, Resulting Numbers: [21, 30, 32] Generated Node #0,0: 23:[21, 30, 32] Operation: 96/3=32 Moving to Node #0,0 Current State: 23:[21, 30, 32], Operations: ['96/3=32'] Exploring Operation: 32-21=11, Resulting Numbers: [30, 11] Generated Node #0,0,0: 23:[30, 11] Operation: 32-21=11 Moving to Node #0,0,0 Current State: 23:[30, 11], Operations: ['96/3=32', '32-21=11'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,23 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 47, 6, 4, 2 ]
21
[ "47-2=45", "6*4=24", "45-24=21" ]
Current State: 21:[47, 6, 4, 2], Operations: [] Exploring Operation: 47-2=45, Resulting Numbers: [6, 4, 45] Generated Node #2: [6, 4, 45] from Operation: 47-2=45 Current State: 21:[6, 4, 45], Operations: ['47-2=45'] Exploring Operation: 6*4=24, Resulting Numbers: [45, 24] Generated Node #3: [45, 24] from Operation: 6*4=24 Current State: 21:[45, 24], Operations: ['47-2=45', '6*4=24'] Exploring Operation: 45-24=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[47, 6, 4, 2], Operations: [] Exploring Operation: 47-6=41, Resulting Numbers: [4, 2, 41] Generated Node #0,0: 21:[4, 2, 41] Operation: 47-6=41 Exploring Operation: 47-2=45, Resulting Numbers: [6, 4, 45] Generated Node #0,1: 21:[6, 4, 45] Operation: 47-2=45 Exploring Operation: 47-4=43, Resulting Numbers: [6, 2, 43] Generated Node #0,2: 21:[6, 2, 43] Operation: 47-4=43 Moving to Node #0,0 Current State: 21:[4, 2, 41], Operations: ['47-6=41'] Exploring Operation: 41-4=37, Resulting Numbers: [2, 37] Generated Node #0,0,0: 21:[2, 37] Operation: 41-4=37 Exploring Operation: 4+2=6, Resulting Numbers: [41, 6] Generated Node #0,0,1: 21:[41, 6] Operation: 4+2=6 Exploring Operation: 41-2=39, Resulting Numbers: [4, 39] Generated Node #0,0,2: 21:[4, 39] Operation: 41-2=39 Moving to Node #0,2 Current State: 21:[6, 2, 43], Operations: ['47-4=43'] Exploring Operation: 6/2=3, Resulting Numbers: [43, 3] Generated Node #0,2,0: 21:[43, 3] Operation: 6/2=3 Exploring Operation: 43-2=41, Resulting Numbers: [6, 41] Generated Node #0,2,1: 21:[6, 41] Operation: 43-2=41 Exploring Operation: 43-6=37, Resulting Numbers: [2, 37] Generated Node #0,2,2: 21:[2, 37] Operation: 43-6=37 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 21:[2, 37], Operations: ['47-4=43', '43-6=37'] Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,21 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 21:[6, 41], Operations: ['47-4=43', '43-2=41'] Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,21 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,21 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 21:[43, 3], Operations: ['47-4=43', '6/2=3'] Exploring Operation: 43+3=46, Resulting Numbers: [46] 46,21 unequal: No Solution Exploring Operation: 43*3=129, Resulting Numbers: [129] 129,21 unequal: No Solution Exploring Operation: 43-3=40, Resulting Numbers: [40] 40,21 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: 21:[6, 4, 45], Operations: ['47-2=45'] Exploring Operation: 6-4=2, Resulting Numbers: [45, 2] Generated Node #0,1,0: 21:[45, 2] Operation: 6-4=2 Exploring Operation: 45-6=39, Resulting Numbers: [4, 39] Generated Node #0,1,1: 21:[4, 39] Operation: 45-6=39 Exploring Operation: 45-4=41, Resulting Numbers: [6, 41] Generated Node #0,1,2: 21:[6, 41] Operation: 45-4=41 Moving to Node #0,0,0 Current State: 21:[2, 37], Operations: ['47-6=41', '41-4=37'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 2*37=74, Resulting Numbers: [74] 74,21 unequal: No Solution Exploring Operation: 2+37=39, Resulting Numbers: [39] 39,21 unequal: No Solution Moving to Node #0,0,2 Current State: 21:[4, 39], Operations: ['47-6=41', '41-2=39'] Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,21 unequal: No Solution Exploring Operation: 4*39=156, Resulting Numbers: [156] 156,21 unequal: No Solution Moving to Node #0,1,1 Current State: 21:[4, 39], Operations: ['47-2=45', '45-6=39'] Exploring Operation: 4*39=156, Resulting Numbers: [156] 156,21 unequal: No Solution Exploring Operation: 39-4=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 4+39=43, Resulting Numbers: [43] 43,21 unequal: No Solution Moving to Node #0,0,1 Current State: 21:[41, 6], Operations: ['47-6=41', '4+2=6'] Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,21 unequal: No Solution Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,21 unequal: No Solution Exploring Operation: 41*6=246, Resulting Numbers: [246] 246,21 unequal: No Solution Moving to Node #0,1,2 Current State: 21:[6, 41], Operations: ['47-2=45', '45-4=41'] Exploring Operation: 6+41=47, Resulting Numbers: [47] 47,21 unequal: No Solution Exploring Operation: 6*41=246, Resulting Numbers: [246] 246,21 unequal: No Solution Exploring Operation: 41-6=35, Resulting Numbers: [35] 35,21 unequal: No Solution Moving to Node #0,1,0 Current State: 21:[45, 2], Operations: ['47-2=45', '6-4=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,21 unequal: No Solution Exploring Operation: 45+2=47, Resulting Numbers: [47] 47,21 unequal: No Solution Exploring Operation: 45-2=43, Resulting Numbers: [43] 43,21 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 35, 41, 55, 5 ]
23
[ "35+55=90", "90/5=18", "41-18=23" ]
Current State: 23:[35, 41, 55, 5], Operations: [] Exploring Operation: 35+55=90, Resulting Numbers: [41, 5, 90] Generated Node #2: [41, 5, 90] from Operation: 35+55=90 Current State: 23:[41, 5, 90], Operations: ['35+55=90'] Exploring Operation: 90/5=18, Resulting Numbers: [41, 18] Generated Node #3: [41, 18] from Operation: 90/5=18 Current State: 23:[41, 18], Operations: ['35+55=90', '90/5=18'] Exploring Operation: 41-18=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[35, 41, 55, 5], Operations: [] Exploring Operation: 55/5=11, Resulting Numbers: [35, 41, 11] Generated Node #0,0: 23:[35, 41, 11] Operation: 55/5=11 Exploring Operation: 55-41=14, Resulting Numbers: [35, 5, 14] Generated Node #0,1: 23:[35, 5, 14] Operation: 55-41=14 Exploring Operation: 41-5=36, Resulting Numbers: [35, 55, 36] Generated Node #0,2: 23:[35, 55, 36] Operation: 41-5=36 Exploring Operation: 35-5=30, Resulting Numbers: [41, 55, 30] Generated Node #0,3: 23:[41, 55, 30] Operation: 35-5=30 Exploring Operation: 55-35=20, Resulting Numbers: [41, 5, 20] Generated Node #0,4: 23:[41, 5, 20] Operation: 55-35=20 Start Sub Search at level 1: Moving to Node #0,1 Current State: 23:[35, 5, 14], Operations: ['55-41=14'] Exploring Operation: 35-5=30, Resulting Numbers: [14, 30] Generated Node #0,1,0: 23:[14, 30] Operation: 35-5=30 Exploring Operation: 35-14=21, Resulting Numbers: [5, 21] Generated Node #0,1,1: 23:[5, 21] Operation: 35-14=21 Exploring Operation: 35+5=40, Resulting Numbers: [14, 40] Generated Node #0,1,2: 23:[14, 40] Operation: 35+5=40 Exploring Operation: 5+14=19, Resulting Numbers: [35, 19] Generated Node #0,1,3: 23:[35, 19] Operation: 5+14=19 Exploring Operation: 35/5=7, Resulting Numbers: [14, 7] Generated Node #0,1,4: 23:[14, 7] Operation: 35/5=7 Moving to Node #0,1,0 Current State: 23:[14, 30], Operations: ['55-41=14', '35-5=30'] Exploring Operation: 14*30=420, Resulting Numbers: [420] 420,23 unequal: No Solution Exploring Operation: 14+30=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,23 unequal: No Solution Moving to Node #0,1,3 Current State: 23:[35, 19], Operations: ['55-41=14', '5+14=19'] Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,23 unequal: No Solution Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,23 unequal: No Solution Moving to Node #0,1,1 Current State: 23:[5, 21], Operations: ['55-41=14', '35-14=21'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,23 unequal: No Solution Moving to Node #0,1,4 Current State: 23:[14, 7], Operations: ['55-41=14', '35/5=7'] Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,23 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,23 unequal: No Solution Exploring Operation: 14*7=98, Resulting Numbers: [98] 98,23 unequal: No Solution Exploring Operation: 14+7=21, Resulting Numbers: [21] 21,23 unequal: No Solution Moving to Node #0,1,2 Current State: 23:[14, 40], Operations: ['55-41=14', '35+5=40'] Exploring Operation: 40-14=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 14+40=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 14*40=560, Resulting Numbers: [560] 560,23 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 #0,4 Current State: 23:[41, 5, 20], Operations: ['55-35=20'] Exploring Operation: 41+5=46, Resulting Numbers: [20, 46] Generated Node #0,4,0: 23:[20, 46] Operation: 41+5=46 Exploring Operation: 41-5=36, Resulting Numbers: [20, 36] Generated Node #0,4,1: 23:[20, 36] Operation: 41-5=36 Exploring Operation: 5+20=25, Resulting Numbers: [41, 25] Generated Node #0,4,2: 23:[41, 25] Operation: 5+20=25 Exploring Operation: 20-5=15, Resulting Numbers: [41, 15] Generated Node #0,4,3: 23:[41, 15] Operation: 20-5=15 Exploring Operation: 41-20=21, Resulting Numbers: [5, 21] Generated Node #0,4,4: 23:[5, 21] Operation: 41-20=21 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 23:[20, 36], Operations: ['55-35=20', '41-5=36'] Exploring Operation: 20+36=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 20*36=720, Resulting Numbers: [720] 720,23 unequal: No Solution Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 23:[41, 25], Operations: ['55-35=20', '5+20=25'] Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 23:[5, 21], Operations: ['55-35=20', '41-20=21'] Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,23 unequal: No Solution Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 23:[20, 46], Operations: ['55-35=20', '41+5=46'] Exploring Operation: 20+46=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 20*46=920, Resulting Numbers: [920] 920,23 unequal: No Solution Exploring Operation: 46-20=26, Resulting Numbers: [26] 26,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 23:[41, 15], Operations: ['55-35=20', '20-5=15'] Exploring Operation: 41-15=26, Resulting Numbers: [26] 26,23 unequal: No Solution Exploring Operation: 41*15=615, Resulting Numbers: [615] 615,23 unequal: No Solution Exploring Operation: 41+15=56, Resulting Numbers: [56] 56,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 23:[35, 41, 11], Operations: ['55/5=11'] Exploring Operation: 41+11=52, Resulting Numbers: [35, 52] Generated Node #0,0,0: 23:[35, 52] Operation: 41+11=52 Exploring Operation: 35+11=46, Resulting Numbers: [41, 46] Generated Node #0,0,1: 23:[41, 46] Operation: 35+11=46 Exploring Operation: 41-35=6, Resulting Numbers: [11, 6] Generated Node #0,0,2: 23:[11, 6] Operation: 41-35=6 Exploring Operation: 41-11=30, Resulting Numbers: [35, 30] Generated Node #0,0,3: 23:[35, 30] Operation: 41-11=30 Exploring Operation: 35-11=24, Resulting Numbers: [41, 24] Generated Node #0,0,4: 23:[41, 24] Operation: 35-11=24 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 23:[35, 30], Operations: ['55/5=11', '41-11=30'] Exploring Operation: 35*30=1050, Resulting Numbers: [1050] 1050,23 unequal: No Solution Exploring Operation: 35+30=65, Resulting Numbers: [65] 65,23 unequal: No Solution Exploring Operation: 35-30=5, Resulting Numbers: [5] 5,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 23:[41, 24], Operations: ['55/5=11', '35-11=24'] Exploring Operation: 41+24=65, Resulting Numbers: [65] 65,23 unequal: No Solution Exploring Operation: 41*24=984, Resulting Numbers: [984] 984,23 unequal: No Solution Exploring Operation: 41-24=17, Resulting Numbers: [17] 17,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 23:[11, 6], Operations: ['55/5=11', '41-35=6'] Exploring Operation: 11+6=17, Resulting Numbers: [17] 17,23 unequal: No Solution Exploring Operation: 11*6=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 23:[35, 52], Operations: ['55/5=11', '41+11=52'] Exploring Operation: 35+52=87, Resulting Numbers: [87] 87,23 unequal: No Solution Exploring Operation: 35*52=1820, Resulting Numbers: [1820] 1820,23 unequal: No Solution Exploring Operation: 52-35=17, Resulting Numbers: [17] 17,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 23:[41, 46], Operations: ['55/5=11', '35+11=46'] Exploring Operation: 41+46=87, Resulting Numbers: [87] 87,23 unequal: No Solution Exploring Operation: 41*46=1886, Resulting Numbers: [1886] 1886,23 unequal: No Solution Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 23:[35, 55, 36], Operations: ['41-5=36'] Exploring Operation: 36-35=1, Resulting Numbers: [55, 1] Generated Node #0,2,0: 23:[55, 1] Operation: 36-35=1 Exploring Operation: 35+36=71, Resulting Numbers: [55, 71] Generated Node #0,2,1: 23:[55, 71] Operation: 35+36=71 Exploring Operation: 35+55=90, Resulting Numbers: [36, 90] Generated Node #0,2,2: 23:[36, 90] Operation: 35+55=90 Exploring Operation: 55-36=19, Resulting Numbers: [35, 19] Generated Node #0,2,3: 23:[35, 19] Operation: 55-36=19 Exploring Operation: 55-35=20, Resulting Numbers: [36, 20] Generated Node #0,2,4: 23:[36, 20] Operation: 55-35=20 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 23:[35, 19], Operations: ['41-5=36', '55-36=19'] Exploring Operation: 35-19=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 35*19=665, Resulting Numbers: [665] 665,23 unequal: No Solution Exploring Operation: 35+19=54, Resulting Numbers: [54] 54,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 23:[36, 20], Operations: ['41-5=36', '55-35=20'] Exploring Operation: 36+20=56, Resulting Numbers: [56] 56,23 unequal: No Solution Exploring Operation: 36*20=720, Resulting Numbers: [720] 720,23 unequal: No Solution Exploring Operation: 36-20=16, Resulting Numbers: [16] 16,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 23:[55, 1], Operations: ['41-5=36', '36-35=1'] Exploring Operation: 55/1=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 55-1=54, Resulting Numbers: [54] 54,23 unequal: No Solution Exploring Operation: 55*1=55, Resulting Numbers: [55] 55,23 unequal: No Solution Exploring Operation: 55+1=56, Resulting Numbers: [56] 56,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 23:[55, 71], Operations: ['41-5=36', '35+36=71'] Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 55*71=3905, Resulting Numbers: [3905] 3905,23 unequal: No Solution Exploring Operation: 55+71=126, Resulting Numbers: [126] 126,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 23:[36, 90], Operations: ['41-5=36', '35+55=90'] Exploring Operation: 36+90=126, Resulting Numbers: [126] 126,23 unequal: No Solution Exploring Operation: 36*90=3240, Resulting Numbers: [3240] 3240,23 unequal: No Solution Exploring Operation: 90-36=54, Resulting Numbers: [54] 54,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 23:[41, 55, 30], Operations: ['35-5=30'] Exploring Operation: 41+30=71, Resulting Numbers: [55, 71] Generated Node #0,3,0: 23:[55, 71] Operation: 41+30=71 Exploring Operation: 41+55=96, Resulting Numbers: [30, 96] Generated Node #0,3,1: 23:[30, 96] Operation: 41+55=96 Exploring Operation: 55-30=25, Resulting Numbers: [41, 25] Generated Node #0,3,2: 23:[41, 25] Operation: 55-30=25 Exploring Operation: 41-30=11, Resulting Numbers: [55, 11] Generated Node #0,3,3: 23:[55, 11] Operation: 41-30=11 Exploring Operation: 55-41=14, Resulting Numbers: [30, 14] Generated Node #0,3,4: 23:[30, 14] Operation: 55-41=14 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 23:[30, 14], Operations: ['35-5=30', '55-41=14'] Exploring Operation: 30*14=420, Resulting Numbers: [420] 420,23 unequal: No Solution Exploring Operation: 30-14=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 30+14=44, Resulting Numbers: [44] 44,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 23:[41, 25], Operations: ['35-5=30', '55-30=25'] Exploring Operation: 41+25=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 41-25=16, Resulting Numbers: [16] 16,23 unequal: No Solution Exploring Operation: 41*25=1025, Resulting Numbers: [1025] 1025,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 23:[55, 11], Operations: ['35-5=30', '41-30=11'] Exploring Operation: 55*11=605, Resulting Numbers: [605] 605,23 unequal: No Solution Exploring Operation: 55-11=44, Resulting Numbers: [44] 44,23 unequal: No Solution Exploring Operation: 55+11=66, Resulting Numbers: [66] 66,23 unequal: No Solution Exploring Operation: 55/11=5, Resulting Numbers: [5] 5,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 23:[55, 71], Operations: ['35-5=30', '41+30=71'] Exploring Operation: 55+71=126, Resulting Numbers: [126] 126,23 unequal: No Solution Exploring Operation: 55*71=3905, Resulting Numbers: [3905] 3905,23 unequal: No Solution Exploring Operation: 71-55=16, Resulting Numbers: [16] 16,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 23:[30, 96], Operations: ['35-5=30', '41+55=96'] Exploring Operation: 30+96=126, Resulting Numbers: [126] 126,23 unequal: No Solution Exploring Operation: 30*96=2880, Resulting Numbers: [2880] 2880,23 unequal: No Solution Exploring Operation: 96-30=66, Resulting Numbers: [66] 66,23 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 44, 38, 88, 84 ]
78
[ "44+38=82", "88-84=4", "82-4=78" ]
Current State: 78:[44, 38, 88, 84], Operations: [] Exploring Operation: 44+38=82, Resulting Numbers: [88, 84, 82] Generated Node #2: [88, 84, 82] from Operation: 44+38=82 Current State: 78:[88, 84, 82], Operations: ['44+38=82'] Exploring Operation: 88-84=4, Resulting Numbers: [82, 4] Generated Node #3: [82, 4] from Operation: 88-84=4 Current State: 78:[82, 4], Operations: ['44+38=82', '88-84=4'] Exploring Operation: 82-4=78, Resulting Numbers: [78] 78,78 equal: Goal Reached
4
Current State: 78:[44, 38, 88, 84], Operations: [] Exploring Operation: 88/44=2, Resulting Numbers: [38, 84, 2] Generated Node #0,0: 78:[38, 84, 2] Operation: 88/44=2 Exploring Operation: 88-44=44, Resulting Numbers: [38, 84, 44] Generated Node #0,1: 78:[38, 84, 44] Operation: 88-44=44 Exploring Operation: 88-84=4, Resulting Numbers: [44, 38, 4] Generated Node #0,2: 78:[44, 38, 4] Operation: 88-84=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 78:[38, 84, 2], Operations: ['88/44=2'] Exploring Operation: 84-38=46, Resulting Numbers: [2, 46] Generated Node #0,0,0: 78:[2, 46] Operation: 84-38=46 Exploring Operation: 84/2=42, Resulting Numbers: [38, 42] Generated Node #0,0,1: 78:[38, 42] Operation: 84/2=42 Exploring Operation: 84-2=82, Resulting Numbers: [38, 82] Generated Node #0,0,2: 78:[38, 82] Operation: 84-2=82 Moving to Node #0,0,1 Current State: 78:[38, 42], Operations: ['88/44=2', '84/2=42'] Exploring Operation: 42-38=4, Resulting Numbers: [4] 4,78 unequal: No Solution Exploring Operation: 38+42=80, Resulting Numbers: [80] 80,78 unequal: No Solution Exploring Operation: 38*42=1596, Resulting Numbers: [1596] 1596,78 unequal: No Solution Moving to Node #0,0,2 Current State: 78:[38, 82], Operations: ['88/44=2', '84-2=82'] Exploring Operation: 38+82=120, Resulting Numbers: [120] 120,78 unequal: No Solution Exploring Operation: 38*82=3116, Resulting Numbers: [3116] 3116,78 unequal: No Solution Exploring Operation: 82-38=44, Resulting Numbers: [44] 44,78 unequal: No Solution Moving to Node #0,0,0 Current State: 78:[2, 46], Operations: ['88/44=2', '84-38=46'] Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,78 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,78 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,78 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 78:[44, 38, 4], Operations: ['88-84=4'] Exploring Operation: 44/4=11, Resulting Numbers: [38, 11] Generated Node #0,2,0: 78:[38, 11] Operation: 44/4=11 Exploring Operation: 44-38=6, Resulting Numbers: [4, 6] Generated Node #0,2,1: 78:[4, 6] Operation: 44-38=6 Exploring Operation: 44-4=40, Resulting Numbers: [38, 40] Generated Node #0,2,2: 78:[38, 40] Operation: 44-4=40 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 78:[4, 6], Operations: ['88-84=4', '44-38=6'] Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,78 unequal: No Solution Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,78 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,78 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 78:[38, 40], Operations: ['88-84=4', '44-4=40'] Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Moving to Node #0 Current State: 78:[44, 38, 88, 84], Operations: [] Exploring Operation: 88-84=4, Resulting Numbers: [44, 38, 4] Generated Node #0,2: 78:[44, 38, 4] Operation: 88-84=4 Moving to Node #0,2 Current State: 78:[44, 38, 4], Operations: ['88-84=4'] Exploring Operation: 44-4=40, Resulting Numbers: [38, 40] Generated Node #0,2,2: 78:[38, 40] Operation: 44-4=40 Moving to Node #0,2,2 Current State: 78:[38, 40], Operations: ['88-84=4', '44-4=40'] Exploring Operation: 38+40=78, Resulting Numbers: [78] 78,78 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.977431
hs_3
sum_heuristic
[ 38, 11, 51, 1 ]
100
[ "38+11=49", "51*1=51", "49+51=100" ]
Current State: 100:[38, 11, 51, 1], Operations: [] Exploring Operation: 38+11=49, Resulting Numbers: [51, 1, 49] Generated Node #2: [51, 1, 49] from Operation: 38+11=49 Current State: 100:[51, 1, 49], Operations: ['38+11=49'] Exploring Operation: 51*1=51, Resulting Numbers: [49, 51] Generated Node #3: [49, 51] from Operation: 51*1=51 Current State: 100:[49, 51], Operations: ['38+11=49', '51*1=51'] Exploring Operation: 49+51=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[38, 11, 51, 1], Operations: [] Exploring Operation: 38+11=49, Resulting Numbers: [51, 1, 49] Generated Node #0,0: 100:[51, 1, 49] Operation: 38+11=49 Exploring Operation: 38-11=27, Resulting Numbers: [51, 1, 27] Generated Node #0,1: 100:[51, 1, 27] Operation: 38-11=27 Start Sub Search at level 1: Moving to Node #0,0 Current State: 100:[51, 1, 49], Operations: ['38+11=49'] Exploring Operation: 51-1=50, Resulting Numbers: [49, 50] Generated Node #0,0,0: 100:[49, 50] Operation: 51-1=50 Exploring Operation: 51+49=100, Resulting Numbers: [1, 100] Generated Node #0,0,1: 100:[1, 100] Operation: 51+49=100 Moving to Node #0,0,0 Current State: 100:[49, 50], Operations: ['38+11=49', '51-1=50'] Exploring Operation: 50-49=1, Resulting Numbers: [1] 1,100 unequal: No Solution Exploring Operation: 49+50=99, Resulting Numbers: [99] 99,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[1, 100], Operations: ['38+11=49', '51+49=100'] Exploring Operation: 100/1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Moving to Node #0 Current State: 100:[38, 11, 51, 1], Operations: [] Exploring Operation: 38+11=49, Resulting Numbers: [51, 1, 49] Generated Node #0,0: 100:[51, 1, 49] Operation: 38+11=49 Moving to Node #0,0 Current State: 100:[51, 1, 49], Operations: ['38+11=49'] Exploring Operation: 51+49=100, Resulting Numbers: [1, 100] Generated Node #0,0,1: 100:[1, 100] Operation: 51+49=100 Moving to Node #0,0,1 Current State: 100:[1, 100], Operations: ['38+11=49', '51+49=100'] Exploring Operation: 100/1=100, Resulting Numbers: [100] 100,100 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
sum_heuristic
[ 47, 78, 7, 33 ]
80
[ "47-33=14", "14/7=2", "78+2=80" ]
Current State: 80:[47, 78, 7, 33], Operations: [] Exploring Operation: 47-33=14, Resulting Numbers: [78, 7, 14] Generated Node #2: [78, 7, 14] from Operation: 47-33=14 Current State: 80:[78, 7, 14], Operations: ['47-33=14'] Exploring Operation: 14/7=2, Resulting Numbers: [78, 2] Generated Node #3: [78, 2] from Operation: 14/7=2 Current State: 80:[78, 2], Operations: ['47-33=14', '14/7=2'] Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[47, 78, 7, 33], Operations: [] Exploring Operation: 47-33=14, Resulting Numbers: [78, 7, 14] Generated Node #0,0: 80:[78, 7, 14] Operation: 47-33=14 Exploring Operation: 47+33=80, Resulting Numbers: [78, 7, 80] Generated Node #0,1: 80:[78, 7, 80] Operation: 47+33=80 Exploring Operation: 7+33=40, Resulting Numbers: [47, 78, 40] Generated Node #0,2: 80:[47, 78, 40] Operation: 7+33=40 Exploring Operation: 47-7=40, Resulting Numbers: [78, 33, 40] Generated Node #0,3: 80:[78, 33, 40] Operation: 47-7=40 Start Sub Search at level 1: Moving to Node #0,1 Current State: 80:[78, 7, 80], Operations: ['47+33=80'] Exploring Operation: 78-7=71, Resulting Numbers: [80, 71] Generated Node #0,1,0: 80:[80, 71] Operation: 78-7=71 Exploring Operation: 7+80=87, Resulting Numbers: [78, 87] Generated Node #0,1,1: 80:[78, 87] Operation: 7+80=87 Exploring Operation: 78+7=85, Resulting Numbers: [80, 85] Generated Node #0,1,2: 80:[80, 85] Operation: 78+7=85 Exploring Operation: 80-78=2, Resulting Numbers: [7, 2] Generated Node #0,1,3: 80:[7, 2] Operation: 80-78=2 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 80:[7, 2], Operations: ['47+33=80', '80-78=2'] Exploring Operation: 7*2=14, Resulting Numbers: [14] 14,80 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,80 unequal: No Solution Exploring Operation: 7+2=9, Resulting Numbers: [9] 9,80 unequal: No Solution No 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: 80:[80, 85], Operations: ['47+33=80', '78+7=85'] Exploring Operation: 80*85=6800, Resulting Numbers: [6800] 6800,80 unequal: No Solution Exploring Operation: 80+85=165, Resulting Numbers: [165] 165,80 unequal: No Solution Exploring Operation: 85-80=5, Resulting Numbers: [5] 5,80 unequal: No Solution No 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: 80:[80, 71], Operations: ['47+33=80', '78-7=71'] Exploring Operation: 80+71=151, Resulting Numbers: [151] 151,80 unequal: No Solution Exploring Operation: 80*71=5680, Resulting Numbers: [5680] 5680,80 unequal: No Solution Exploring Operation: 80-71=9, Resulting Numbers: [9] 9,80 unequal: No Solution No 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: 80:[78, 87], Operations: ['47+33=80', '7+80=87'] Exploring Operation: 78*87=6786, Resulting Numbers: [6786] 6786,80 unequal: No Solution Exploring Operation: 87-78=9, Resulting Numbers: [9] 9,80 unequal: No Solution Exploring Operation: 78+87=165, Resulting Numbers: [165] 165,80 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: 80:[78, 7, 14], Operations: ['47-33=14'] Exploring Operation: 14-7=7, Resulting Numbers: [78, 7] Generated Node #0,0,0: 80:[78, 7] Operation: 14-7=7 Exploring Operation: 78+7=85, Resulting Numbers: [14, 85] Generated Node #0,0,1: 80:[14, 85] Operation: 78+7=85 Exploring Operation: 7+14=21, Resulting Numbers: [78, 21] Generated Node #0,0,2: 80:[78, 21] Operation: 7+14=21 Exploring Operation: 14/7=2, Resulting Numbers: [78, 2] Generated Node #0,0,3: 80:[78, 2] Operation: 14/7=2 Moving to Node #0,0,3 Current State: 80:[78, 2], Operations: ['47-33=14', '14/7=2'] Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Moving to Node #0 Current State: 80:[47, 78, 7, 33], Operations: [] Exploring Operation: 47-33=14, Resulting Numbers: [78, 7, 14] Generated Node #0,0: 80:[78, 7, 14] Operation: 47-33=14 Moving to Node #0,0 Current State: 80:[78, 7, 14], Operations: ['47-33=14'] Exploring Operation: 14/7=2, Resulting Numbers: [78, 2] Generated Node #0,0,3: 80:[78, 2] Operation: 14/7=2 Moving to Node #0,0,3 Current State: 80:[78, 2], Operations: ['47-33=14', '14/7=2'] Exploring Operation: 78+2=80, Resulting Numbers: [80] 80,80 equal: Goal Reached Exit Sub Search at level 1
0.974826
hs_4
mult_heuristic
[ 96, 40, 6, 88 ]
88
[ "96-88=8", "6*8=48", "40+48=88" ]
Current State: 88:[96, 40, 6, 88], Operations: [] Exploring Operation: 96-88=8, Resulting Numbers: [40, 6, 8] Generated Node #2: [40, 6, 8] from Operation: 96-88=8 Current State: 88:[40, 6, 8], Operations: ['96-88=8'] Exploring Operation: 6*8=48, Resulting Numbers: [40, 48] Generated Node #3: [40, 48] from Operation: 6*8=48 Current State: 88:[40, 48], Operations: ['96-88=8', '6*8=48'] Exploring Operation: 40+48=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[96, 40, 6, 88], Operations: [] Exploring Operation: 96-6=90, Resulting Numbers: [40, 88, 90] Generated Node #0,0: 88:[40, 88, 90] Operation: 96-6=90 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[40, 88, 90], Operations: ['96-6=90'] Exploring Operation: 90-88=2, Resulting Numbers: [40, 2] Generated Node #0,0,0: 88:[40, 2] Operation: 90-88=2 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 88:[40, 2], Operations: ['96-6=90', '90-88=2'] Exploring Operation: 40+2=42, Resulting Numbers: [42] 42,88 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 14, 33, 96, 48 ]
95
[ "14+33=47", "96-48=48", "47+48=95" ]
Current State: 95:[14, 33, 96, 48], Operations: [] Exploring Operation: 14+33=47, Resulting Numbers: [96, 48, 47] Generated Node #2: [96, 48, 47] from Operation: 14+33=47 Current State: 95:[96, 48, 47], Operations: ['14+33=47'] Exploring Operation: 96-48=48, Resulting Numbers: [47, 48] Generated Node #3: [47, 48] from Operation: 96-48=48 Current State: 95:[47, 48], Operations: ['14+33=47', '96-48=48'] Exploring Operation: 47+48=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[14, 33, 96, 48], Operations: [] Exploring Operation: 33+48=81, Resulting Numbers: [14, 96, 81] Generated Node #0,0: 95:[14, 96, 81] Operation: 33+48=81 Exploring Operation: 48-33=15, Resulting Numbers: [14, 96, 15] Generated Node #0,1: 95:[14, 96, 15] Operation: 48-33=15 Start Sub Search at level 1: Moving to Node #0,1 Current State: 95:[14, 96, 15], Operations: ['48-33=15'] Exploring Operation: 14+15=29, Resulting Numbers: [96, 29] Generated Node #0,1,0: 95:[96, 29] Operation: 14+15=29 Exploring Operation: 15-14=1, Resulting Numbers: [96, 1] Generated Node #0,1,1: 95:[96, 1] Operation: 15-14=1 Moving to Node #0,1,1 Current State: 95:[96, 1], Operations: ['48-33=15', '15-14=1'] Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[14, 33, 96, 48], Operations: [] Exploring Operation: 48-33=15, Resulting Numbers: [14, 96, 15] Generated Node #0,1: 95:[14, 96, 15] Operation: 48-33=15 Moving to Node #0,1 Current State: 95:[14, 96, 15], Operations: ['48-33=15'] Exploring Operation: 15-14=1, Resulting Numbers: [96, 1] Generated Node #0,1,1: 95:[96, 1] Operation: 15-14=1 Moving to Node #0,1,1 Current State: 95:[96, 1], Operations: ['48-33=15', '15-14=1'] Exploring Operation: 96-1=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 51, 46, 44, 2 ]
100
[ "51*2=102", "46-44=2", "102-2=100" ]
Current State: 100:[51, 46, 44, 2], Operations: [] Exploring Operation: 51*2=102, Resulting Numbers: [46, 44, 102] Generated Node #2: [46, 44, 102] from Operation: 51*2=102 Current State: 100:[46, 44, 102], Operations: ['51*2=102'] Exploring Operation: 46-44=2, Resulting Numbers: [102, 2] Generated Node #3: [102, 2] from Operation: 46-44=2 Current State: 100:[102, 2], Operations: ['51*2=102', '46-44=2'] Exploring Operation: 102-2=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[51, 46, 44, 2], Operations: [] Exploring Operation: 46-44=2, Resulting Numbers: [51, 2, 2] Generated Node #0,0: 100:[51, 2, 2] Operation: 46-44=2 Exploring Operation: 51-46=5, Resulting Numbers: [44, 2, 5] Generated Node #0,1: 100:[44, 2, 5] Operation: 51-46=5 Exploring Operation: 51-44=7, Resulting Numbers: [46, 2, 7] Generated Node #0,2: 100:[46, 2, 7] Operation: 51-44=7 Exploring Operation: 44/2=22, Resulting Numbers: [51, 46, 22] Generated Node #0,3: 100:[51, 46, 22] Operation: 44/2=22 Moving to Node #0,0 Current State: 100:[51, 2, 2], Operations: ['46-44=2'] Exploring Operation: 51-2=49, Resulting Numbers: [2, 49] Generated Node #0,0,0: 100:[2, 49] Operation: 51-2=49 Exploring Operation: 2+2=4, Resulting Numbers: [51, 4] Generated Node #0,0,1: 100:[51, 4] Operation: 2+2=4 Exploring Operation: 51-2=49, Resulting Numbers: [2, 49] Generated Node #0,0,2: 100:[2, 49] Operation: 51-2=49 Exploring Operation: 2*2=4, Resulting Numbers: [51, 4] Generated Node #0,0,3: 100:[51, 4] Operation: 2*2=4 Moving to Node #0,2 Current State: 100:[46, 2, 7], Operations: ['51-44=7'] Exploring Operation: 46+2=48, Resulting Numbers: [7, 48] Generated Node #0,2,0: 100:[7, 48] Operation: 46+2=48 Exploring Operation: 46/2=23, Resulting Numbers: [7, 23] Generated Node #0,2,1: 100:[7, 23] Operation: 46/2=23 Exploring Operation: 7-2=5, Resulting Numbers: [46, 5] Generated Node #0,2,2: 100:[46, 5] Operation: 7-2=5 Exploring Operation: 46+7=53, Resulting Numbers: [2, 53] Generated Node #0,2,3: 100:[2, 53] Operation: 46+7=53 Moving to Node #0,1 Current State: 100:[44, 2, 5], Operations: ['51-46=5'] Exploring Operation: 2*5=10, Resulting Numbers: [44, 10] Generated Node #0,1,0: 100:[44, 10] Operation: 2*5=10 Exploring Operation: 44/2=22, Resulting Numbers: [5, 22] Generated Node #0,1,1: 100:[5, 22] Operation: 44/2=22 Exploring Operation: 44+5=49, Resulting Numbers: [2, 49] Generated Node #0,1,2: 100:[2, 49] Operation: 44+5=49 Exploring Operation: 44+2=46, Resulting Numbers: [5, 46] Generated Node #0,1,3: 100:[5, 46] Operation: 44+2=46 Moving to Node #0,3 Current State: 100:[51, 46, 22], Operations: ['44/2=22'] Exploring Operation: 46-22=24, Resulting Numbers: [51, 24] Generated Node #0,3,0: 100:[51, 24] Operation: 46-22=24 Exploring Operation: 51-46=5, Resulting Numbers: [22, 5] Generated Node #0,3,1: 100:[22, 5] Operation: 51-46=5 Exploring Operation: 51+46=97, Resulting Numbers: [22, 97] Generated Node #0,3,2: 100:[22, 97] Operation: 51+46=97 Exploring Operation: 51-22=29, Resulting Numbers: [46, 29] Generated Node #0,3,3: 100:[46, 29] Operation: 51-22=29 Moving to Node #0,0,0 Current State: 100:[2, 49], Operations: ['46-44=2', '51-2=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,100 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,100 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,100 unequal: No Solution Moving to Node #0,0,2 Current State: 100:[2, 49], Operations: ['46-44=2', '51-2=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,100 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,100 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,100 unequal: No Solution Moving to Node #0,0,1 Current State: 100:[51, 4], Operations: ['46-44=2', '2+2=4'] Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,100 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,100 unequal: No Solution Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,100 unequal: No Solution Moving to Node #0,0,3 Current State: 100:[51, 4], Operations: ['46-44=2', '2*2=4'] Exploring Operation: 51+4=55, Resulting Numbers: [55] 55,100 unequal: No Solution Exploring Operation: 51-4=47, Resulting Numbers: [47] 47,100 unequal: No Solution Exploring Operation: 51*4=204, Resulting Numbers: [204] 204,100 unequal: No Solution Moving to Node #0,1,2 Current State: 100:[2, 49], Operations: ['51-46=5', '44+5=49'] Exploring Operation: 2*49=98, Resulting Numbers: [98] 98,100 unequal: No Solution Exploring Operation: 49-2=47, Resulting Numbers: [47] 47,100 unequal: No Solution Exploring Operation: 2+49=51, Resulting Numbers: [51] 51,100 unequal: No Solution Moving to Node #0,3,1 Current State: 100:[22, 5], Operations: ['44/2=22', '51-46=5'] Exploring Operation: 22*5=110, Resulting Numbers: [110] 110,100 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,100 unequal: No Solution Exploring Operation: 22+5=27, Resulting Numbers: [27] 27,100 unequal: No Solution Moving to Node #0,3,0 Current State: 100:[51, 24], Operations: ['44/2=22', '46-22=24'] Exploring Operation: 51*24=1224, Resulting Numbers: [1224] 1224,100 unequal: No Solution Exploring Operation: 51+24=75, Resulting Numbers: [75] 75,100 unequal: No Solution Exploring Operation: 51-24=27, Resulting Numbers: [27] 27,100 unequal: No Solution Moving to Node #0,1,1 Current State: 100:[5, 22], Operations: ['51-46=5', '44/2=22'] Exploring Operation: 5+22=27, Resulting Numbers: [27] 27,100 unequal: No Solution Exploring Operation: 5*22=110, Resulting Numbers: [110] 110,100 unequal: No Solution Exploring Operation: 22-5=17, Resulting Numbers: [17] 17,100 unequal: No Solution Moving to Node #0,2,3 Current State: 100:[2, 53], Operations: ['51-44=7', '46+7=53'] Exploring Operation: 2+53=55, Resulting Numbers: [55] 55,100 unequal: No Solution Exploring Operation: 53-2=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 2*53=106, Resulting Numbers: [106] 106,100 unequal: No Solution Moving to Node #0,2,1 Current State: 100:[7, 23], Operations: ['51-44=7', '46/2=23'] Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,100 unequal: No Solution Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,100 unequal: No Solution Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,100 unequal: No Solution Moving to Node #0,1,3 Current State: 100:[5, 46], Operations: ['51-46=5', '44+2=46'] Exploring Operation: 5+46=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,100 unequal: No Solution Exploring Operation: 5*46=230, Resulting Numbers: [230] 230,100 unequal: No Solution Moving to Node #0,2,0 Current State: 100:[7, 48], Operations: ['51-44=7', '46+2=48'] Exploring Operation: 7*48=336, Resulting Numbers: [336] 336,100 unequal: No Solution Exploring Operation: 48-7=41, Resulting Numbers: [41] 41,100 unequal: No Solution Exploring Operation: 7+48=55, Resulting Numbers: [55] 55,100 unequal: No Solution Moving to Node #0,2,2 Current State: 100:[46, 5], Operations: ['51-44=7', '7-2=5'] Exploring Operation: 46*5=230, Resulting Numbers: [230] 230,100 unequal: No Solution Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,100 unequal: No Solution Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,100 unequal: No Solution Moving to Node #0,3,2 Current State: 100:[22, 97], Operations: ['44/2=22', '51+46=97'] Exploring Operation: 97-22=75, Resulting Numbers: [75] 75,100 unequal: No Solution Exploring Operation: 22+97=119, Resulting Numbers: [119] 119,100 unequal: No Solution Exploring Operation: 22*97=2134, Resulting Numbers: [2134] 2134,100 unequal: No Solution Moving to Node #0,1,0 Current State: 100:[44, 10], Operations: ['51-46=5', '2*5=10'] Exploring Operation: 44-10=34, Resulting Numbers: [34] 34,100 unequal: No Solution Exploring Operation: 44+10=54, Resulting Numbers: [54] 54,100 unequal: No Solution Exploring Operation: 44*10=440, Resulting Numbers: [440] 440,100 unequal: No Solution Moving to Node #0,3,3 Current State: 100:[46, 29], Operations: ['44/2=22', '51-22=29'] Exploring Operation: 46*29=1334, Resulting Numbers: [1334] 1334,100 unequal: No Solution Exploring Operation: 46-29=17, Resulting Numbers: [17] 17,100 unequal: No Solution Exploring Operation: 46+29=75, Resulting Numbers: [75] 75,100 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 2, 53, 13, 91 ]
39
[ "2*91=182", "182/13=14", "53-14=39" ]
Current State: 39:[2, 53, 13, 91], Operations: [] Exploring Operation: 2*91=182, Resulting Numbers: [53, 13, 182] Generated Node #2: [53, 13, 182] from Operation: 2*91=182 Current State: 39:[53, 13, 182], Operations: ['2*91=182'] Exploring Operation: 182/13=14, Resulting Numbers: [53, 14] Generated Node #3: [53, 14] from Operation: 182/13=14 Current State: 39:[53, 14], Operations: ['2*91=182', '182/13=14'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,39 equal: Goal Reached
4
Current State: 39:[2, 53, 13, 91], Operations: [] Exploring Operation: 91-13=78, Resulting Numbers: [2, 53, 78] Generated Node #0,0: 39:[2, 53, 78] Operation: 91-13=78 Exploring Operation: 91-53=38, Resulting Numbers: [2, 13, 38] Generated Node #0,1: 39:[2, 13, 38] Operation: 91-53=38 Exploring Operation: 53-13=40, Resulting Numbers: [2, 91, 40] Generated Node #0,2: 39:[2, 91, 40] Operation: 53-13=40 Exploring Operation: 91/13=7, Resulting Numbers: [2, 53, 7] Generated Node #0,3: 39:[2, 53, 7] Operation: 91/13=7 Start Sub Search at level 1: Moving to Node #0,1 Current State: 39:[2, 13, 38], Operations: ['91-53=38'] Exploring Operation: 38-2=36, Resulting Numbers: [13, 36] Generated Node #0,1,0: 39:[13, 36] Operation: 38-2=36 Exploring Operation: 13-2=11, Resulting Numbers: [38, 11] Generated Node #0,1,1: 39:[38, 11] Operation: 13-2=11 Exploring Operation: 2+13=15, Resulting Numbers: [38, 15] Generated Node #0,1,2: 39:[38, 15] Operation: 2+13=15 Exploring Operation: 2+38=40, Resulting Numbers: [13, 40] Generated Node #0,1,3: 39:[13, 40] Operation: 2+38=40 Moving to Node #0,1,3 Current State: 39:[13, 40], Operations: ['91-53=38', '2+38=40'] Exploring Operation: 13*40=520, Resulting Numbers: [520] 520,39 unequal: No Solution Exploring Operation: 13+40=53, Resulting Numbers: [53] 53,39 unequal: No Solution Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,39 unequal: No Solution Moving to Node #0,1,1 Current State: 39:[38, 11], Operations: ['91-53=38', '13-2=11'] Exploring Operation: 38*11=418, Resulting Numbers: [418] 418,39 unequal: No Solution Exploring Operation: 38-11=27, Resulting Numbers: [27] 27,39 unequal: No Solution Exploring Operation: 38+11=49, Resulting Numbers: [49] 49,39 unequal: No Solution Moving to Node #0,1,0 Current State: 39:[13, 36], Operations: ['91-53=38', '38-2=36'] Exploring Operation: 36-13=23, Resulting Numbers: [23] 23,39 unequal: No Solution Exploring Operation: 13*36=468, Resulting Numbers: [468] 468,39 unequal: No Solution Exploring Operation: 13+36=49, Resulting Numbers: [49] 49,39 unequal: No Solution Moving to Node #0,1,2 Current State: 39:[38, 15], Operations: ['91-53=38', '2+13=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 No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 39:[2, 53, 7], Operations: ['91/13=7'] Exploring Operation: 53-2=51, Resulting Numbers: [7, 51] Generated Node #0,3,0: 39:[7, 51] Operation: 53-2=51 Exploring Operation: 53-7=46, Resulting Numbers: [2, 46] Generated Node #0,3,1: 39:[2, 46] Operation: 53-7=46 Exploring Operation: 2*7=14, Resulting Numbers: [53, 14] Generated Node #0,3,2: 39:[53, 14] Operation: 2*7=14 Exploring Operation: 7-2=5, Resulting Numbers: [53, 5] Generated Node #0,3,3: 39:[53, 5] Operation: 7-2=5 Moving to Node #0,3,1 Current State: 39:[2, 46], Operations: ['91/13=7', '53-7=46'] Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,39 unequal: No Solution Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,39 unequal: No Solution Exploring Operation: 2+46=48, Resulting Numbers: [48] 48,39 unequal: No Solution Exploring Operation: 2*46=92, Resulting Numbers: [92] 92,39 unequal: No Solution Moving to Node #0,3,2 Current State: 39:[53, 14], Operations: ['91/13=7', '2*7=14'] Exploring Operation: 53*14=742, Resulting Numbers: [742] 742,39 unequal: No Solution Exploring Operation: 53+14=67, Resulting Numbers: [67] 67,39 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Moving to Node #0 Current State: 39:[2, 53, 13, 91], Operations: [] Exploring Operation: 91/13=7, Resulting Numbers: [2, 53, 7] Generated Node #0,3: 39:[2, 53, 7] Operation: 91/13=7 Moving to Node #0,3 Current State: 39:[2, 53, 7], Operations: ['91/13=7'] Exploring Operation: 2*7=14, Resulting Numbers: [53, 14] Generated Node #0,3,2: 39:[53, 14] Operation: 2*7=14 Moving to Node #0,3,2 Current State: 39:[53, 14], Operations: ['91/13=7', '2*7=14'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,39 equal: Goal Reached Exit Sub Search at level 1
0.969618
hs_4
mult_heuristic
[ 30, 48, 88, 50 ]
56
[ "48-30=18", "88-50=38", "18+38=56" ]
Current State: 56:[30, 48, 88, 50], Operations: [] Exploring Operation: 48-30=18, Resulting Numbers: [88, 50, 18] Generated Node #2: [88, 50, 18] from Operation: 48-30=18 Current State: 56:[88, 50, 18], Operations: ['48-30=18'] Exploring Operation: 88-50=38, Resulting Numbers: [18, 38] Generated Node #3: [18, 38] from Operation: 88-50=38 Current State: 56:[18, 38], Operations: ['48-30=18', '88-50=38'] Exploring Operation: 18+38=56, Resulting Numbers: [56] 56,56 equal: Goal Reached
4
Current State: 56:[30, 48, 88, 50], Operations: [] Exploring Operation: 88-30=58, Resulting Numbers: [48, 50, 58] Generated Node #0,0: 56:[48, 50, 58] Operation: 88-30=58 Exploring Operation: 88-48=40, Resulting Numbers: [30, 50, 40] Generated Node #0,1: 56:[30, 50, 40] Operation: 88-48=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 56:[48, 50, 58], Operations: ['88-30=58'] Exploring Operation: 58-48=10, Resulting Numbers: [50, 10] Generated Node #0,0,0: 56:[50, 10] Operation: 58-48=10 Exploring Operation: 50-48=2, Resulting Numbers: [58, 2] Generated Node #0,0,1: 56:[58, 2] Operation: 50-48=2 Moving to Node #0,0,1 Current State: 56:[58, 2], Operations: ['88-30=58', '50-48=2'] Exploring Operation: 58/2=29, Resulting Numbers: [29] 29,56 unequal: No Solution Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Moving to Node #0 Current State: 56:[30, 48, 88, 50], Operations: [] Exploring Operation: 88-30=58, Resulting Numbers: [48, 50, 58] Generated Node #0,0: 56:[48, 50, 58] Operation: 88-30=58 Moving to Node #0,0 Current State: 56:[48, 50, 58], Operations: ['88-30=58'] Exploring Operation: 50-48=2, Resulting Numbers: [58, 2] Generated Node #0,0,1: 56:[58, 2] Operation: 50-48=2 Moving to Node #0,0,1 Current State: 56:[58, 2], Operations: ['88-30=58', '50-48=2'] Exploring Operation: 58-2=56, Resulting Numbers: [56] 56,56 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 68, 80, 36, 30 ]
75
[ "68-36=32", "80*30=2400", "2400/32=75" ]
Current State: 75:[68, 80, 36, 30], Operations: [] Exploring Operation: 68-36=32, Resulting Numbers: [80, 30, 32] Generated Node #2: [80, 30, 32] from Operation: 68-36=32 Current State: 75:[80, 30, 32], Operations: ['68-36=32'] Exploring Operation: 80*30=2400, Resulting Numbers: [32, 2400] Generated Node #3: [32, 2400] from Operation: 80*30=2400 Current State: 75:[32, 2400], Operations: ['68-36=32', '80*30=2400'] Exploring Operation: 2400/32=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[68, 80, 36, 30], Operations: [] Exploring Operation: 36+30=66, Resulting Numbers: [68, 80, 66] Generated Node #0,0: 75:[68, 80, 66] Operation: 36+30=66 Exploring Operation: 36-30=6, Resulting Numbers: [68, 80, 6] Generated Node #0,1: 75:[68, 80, 6] Operation: 36-30=6 Exploring Operation: 80-68=12, Resulting Numbers: [36, 30, 12] Generated Node #0,2: 75:[36, 30, 12] Operation: 80-68=12 Exploring Operation: 68-30=38, Resulting Numbers: [80, 36, 38] Generated Node #0,3: 75:[80, 36, 38] Operation: 68-30=38 Exploring Operation: 68-36=32, Resulting Numbers: [80, 30, 32] Generated Node #0,4: 75:[80, 30, 32] Operation: 68-36=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 75:[68, 80, 6], Operations: ['36-30=6'] Exploring Operation: 68-6=62, Resulting Numbers: [80, 62] Generated Node #0,1,0: 75:[80, 62] Operation: 68-6=62 Exploring Operation: 80+6=86, Resulting Numbers: [68, 86] Generated Node #0,1,1: 75:[68, 86] Operation: 80+6=86 Exploring Operation: 80-68=12, Resulting Numbers: [6, 12] Generated Node #0,1,2: 75:[6, 12] Operation: 80-68=12 Exploring Operation: 68+6=74, Resulting Numbers: [80, 74] Generated Node #0,1,3: 75:[80, 74] Operation: 68+6=74 Exploring Operation: 80-6=74, Resulting Numbers: [68, 74] Generated Node #0,1,4: 75:[68, 74] Operation: 80-6=74 Moving to Node #0,1,2 Current State: 75:[6, 12], Operations: ['36-30=6', '80-68=12'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 6*12=72, Resulting Numbers: [72] 72,75 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,75 unequal: No Solution Moving to Node #0,1,3 Current State: 75:[80, 74], Operations: ['36-30=6', '68+6=74'] Exploring Operation: 80-74=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 80+74=154, Resulting Numbers: [154] 154,75 unequal: No Solution Exploring Operation: 80*74=5920, Resulting Numbers: [5920] 5920,75 unequal: No Solution Moving to Node #0,1,4 Current State: 75:[68, 74], Operations: ['36-30=6', '80-6=74'] Exploring Operation: 74-68=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 68*74=5032, Resulting Numbers: [5032] 5032,75 unequal: No Solution Exploring Operation: 68+74=142, Resulting Numbers: [142] 142,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[80, 62], Operations: ['36-30=6', '68-6=62'] Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 80*62=4960, Resulting Numbers: [4960] 4960,75 unequal: No Solution Exploring Operation: 80+62=142, Resulting Numbers: [142] 142,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[68, 86], Operations: ['36-30=6', '80+6=86'] Exploring Operation: 68*86=5848, Resulting Numbers: [5848] 5848,75 unequal: No Solution Exploring Operation: 86-68=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 68+86=154, Resulting Numbers: [154] 154,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[80, 30, 32], Operations: ['68-36=32'] Exploring Operation: 80-32=48, Resulting Numbers: [30, 48] Generated Node #0,4,0: 75:[30, 48] Operation: 80-32=48 Exploring Operation: 30+32=62, Resulting Numbers: [80, 62] Generated Node #0,4,1: 75:[80, 62] Operation: 30+32=62 Exploring Operation: 80-30=50, Resulting Numbers: [32, 50] Generated Node #0,4,2: 75:[32, 50] Operation: 80-30=50 Exploring Operation: 80+30=110, Resulting Numbers: [32, 110] Generated Node #0,4,3: 75:[32, 110] Operation: 80+30=110 Exploring Operation: 32-30=2, Resulting Numbers: [80, 2] Generated Node #0,4,4: 75:[80, 2] Operation: 32-30=2 Moving to Node #0,4,4 Current State: 75:[80, 2], Operations: ['68-36=32', '32-30=2'] Exploring Operation: 80*2=160, Resulting Numbers: [160] 160,75 unequal: No Solution Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,75 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,75 unequal: No Solution Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,75 unequal: No Solution Moving to Node #0,4,1 Current State: 75:[80, 62], Operations: ['68-36=32', '30+32=62'] Exploring Operation: 80-62=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 80+62=142, Resulting Numbers: [142] 142,75 unequal: No Solution Exploring Operation: 80*62=4960, Resulting Numbers: [4960] 4960,75 unequal: No Solution Moving to Node #0,4,0 Current State: 75:[30, 48], Operations: ['68-36=32', '80-32=48'] Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,75 unequal: No Solution Moving to Node #0,4,2 Current State: 75:[32, 50], Operations: ['68-36=32', '80-30=50'] Exploring Operation: 32+50=82, Resulting Numbers: [82] 82,75 unequal: No Solution Exploring Operation: 32*50=1600, Resulting Numbers: [1600] 1600,75 unequal: No Solution Exploring Operation: 50-32=18, Resulting Numbers: [18] 18,75 unequal: No Solution Moving to Node #0,4,3 Current State: 75:[32, 110], Operations: ['68-36=32', '80+30=110'] Exploring Operation: 32+110=142, Resulting Numbers: [142] 142,75 unequal: No Solution Exploring Operation: 110-32=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 32*110=3520, Resulting Numbers: [3520] 3520,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 75:[36, 30, 12], Operations: ['80-68=12'] Exploring Operation: 30-12=18, Resulting Numbers: [36, 18] Generated Node #0,2,0: 75:[36, 18] Operation: 30-12=18 Exploring Operation: 36+30=66, Resulting Numbers: [12, 66] Generated Node #0,2,1: 75:[12, 66] Operation: 36+30=66 Exploring Operation: 36/12=3, Resulting Numbers: [30, 3] Generated Node #0,2,2: 75:[30, 3] Operation: 36/12=3 Exploring Operation: 36-30=6, Resulting Numbers: [12, 6] Generated Node #0,2,3: 75:[12, 6] Operation: 36-30=6 Exploring Operation: 36-12=24, Resulting Numbers: [30, 24] Generated Node #0,2,4: 75:[30, 24] Operation: 36-12=24 Moving to Node #0,2,3 Current State: 75:[12, 6], Operations: ['80-68=12', '36-30=6'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 12+6=18, Resulting Numbers: [18] 18,75 unequal: No Solution Exploring Operation: 12*6=72, Resulting Numbers: [72] 72,75 unequal: No Solution Moving to Node #0,2,2 Current State: 75:[30, 3], Operations: ['80-68=12', '36/12=3'] Exploring Operation: 30-3=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,75 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,75 unequal: No Solution Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,75 unequal: No Solution Moving to Node #0,2,4 Current State: 75:[30, 24], Operations: ['80-68=12', '36-12=24'] Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,75 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,75 unequal: No Solution Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,75 unequal: No Solution Moving to Node #0,2,1 Current State: 75:[12, 66], Operations: ['80-68=12', '36+30=66'] Exploring Operation: 12*66=792, Resulting Numbers: [792] 792,75 unequal: No Solution Exploring Operation: 66-12=54, Resulting Numbers: [54] 54,75 unequal: No Solution Exploring Operation: 12+66=78, Resulting Numbers: [78] 78,75 unequal: No Solution Moving to Node #0,2,0 Current State: 75:[36, 18], Operations: ['80-68=12', '30-12=18'] Exploring Operation: 36+18=54, Resulting Numbers: [54] 54,75 unequal: No Solution Exploring Operation: 36*18=648, Resulting Numbers: [648] 648,75 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,75 unequal: No Solution Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[68, 80, 66], Operations: ['36+30=66'] Exploring Operation: 68+66=134, Resulting Numbers: [80, 134] Generated Node #0,0,0: 75:[80, 134] Operation: 68+66=134 Exploring Operation: 80-68=12, Resulting Numbers: [66, 12] Generated Node #0,0,1: 75:[66, 12] Operation: 80-68=12 Exploring Operation: 80+66=146, Resulting Numbers: [68, 146] Generated Node #0,0,2: 75:[68, 146] Operation: 80+66=146 Exploring Operation: 80-66=14, Resulting Numbers: [68, 14] Generated Node #0,0,3: 75:[68, 14] Operation: 80-66=14 Exploring Operation: 68-66=2, Resulting Numbers: [80, 2] Generated Node #0,0,4: 75:[80, 2] Operation: 68-66=2 Moving to Node #0,0,4 Current State: 75:[80, 2], Operations: ['36+30=66', '68-66=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,75 unequal: No Solution Exploring Operation: 80*2=160, Resulting Numbers: [160] 160,75 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,75 unequal: No Solution Moving to Node #0,0,3 Current State: 75:[68, 14], Operations: ['36+30=66', '80-66=14'] Exploring Operation: 68*14=952, Resulting Numbers: [952] 952,75 unequal: No Solution Exploring Operation: 68-14=54, Resulting Numbers: [54] 54,75 unequal: No Solution Exploring Operation: 68+14=82, Resulting Numbers: [82] 82,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[66, 12], Operations: ['36+30=66', '80-68=12'] Exploring Operation: 66+12=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 66*12=792, Resulting Numbers: [792] 792,75 unequal: No Solution Exploring Operation: 66-12=54, Resulting Numbers: [54] 54,75 unequal: No Solution Moving to Node #0,0,0 Current State: 75:[80, 134], Operations: ['36+30=66', '68+66=134'] Exploring Operation: 134-80=54, Resulting Numbers: [54] 54,75 unequal: No Solution Exploring Operation: 80*134=10720, Resulting Numbers: [10720] 10720,75 unequal: No Solution Exploring Operation: 80+134=214, Resulting Numbers: [214] 214,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[68, 146], Operations: ['36+30=66', '80+66=146'] Exploring Operation: 68+146=214, Resulting Numbers: [214] 214,75 unequal: No Solution Exploring Operation: 68*146=9928, Resulting Numbers: [9928] 9928,75 unequal: No Solution Exploring Operation: 146-68=78, Resulting Numbers: [78] 78,75 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 75:[80, 36, 38], Operations: ['68-30=38'] Exploring Operation: 36+38=74, Resulting Numbers: [80, 74] Generated Node #0,3,0: 75:[80, 74] Operation: 36+38=74 Exploring Operation: 80-36=44, Resulting Numbers: [38, 44] Generated Node #0,3,1: 75:[38, 44] Operation: 80-36=44 Exploring Operation: 38-36=2, Resulting Numbers: [80, 2] Generated Node #0,3,2: 75:[80, 2] Operation: 38-36=2 Exploring Operation: 80-38=42, Resulting Numbers: [36, 42] Generated Node #0,3,3: 75:[36, 42] Operation: 80-38=42 Exploring Operation: 80+36=116, Resulting Numbers: [38, 116] Generated Node #0,3,4: 75:[38, 116] Operation: 80+36=116 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 75:[80, 74], Operations: ['68-30=38', '36+38=74'] Exploring Operation: 80*74=5920, Resulting Numbers: [5920] 5920,75 unequal: No Solution Exploring Operation: 80+74=154, Resulting Numbers: [154] 154,75 unequal: No Solution Exploring Operation: 80-74=6, Resulting Numbers: [6] 6,75 unequal: No Solution No 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: 75:[80, 2], Operations: ['68-30=38', '38-36=2'] Exploring Operation: 80-2=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 80/2=40, Resulting Numbers: [40] 40,75 unequal: No Solution Exploring Operation: 80+2=82, Resulting Numbers: [82] 82,75 unequal: No Solution Exploring Operation: 80*2=160, Resulting Numbers: [160] 160,75 unequal: No Solution No 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: 75:[36, 42], Operations: ['68-30=38', '80-38=42'] Exploring Operation: 36*42=1512, Resulting Numbers: [1512] 1512,75 unequal: No Solution Exploring Operation: 42-36=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 36+42=78, Resulting Numbers: [78] 78,75 unequal: No Solution No 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: 75:[38, 44], Operations: ['68-30=38', '80-36=44'] Exploring Operation: 38*44=1672, Resulting Numbers: [1672] 1672,75 unequal: No Solution Exploring Operation: 44-38=6, Resulting Numbers: [6] 6,75 unequal: No Solution Exploring Operation: 38+44=82, Resulting Numbers: [82] 82,75 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 75:[38, 116], Operations: ['68-30=38', '80+36=116'] Exploring Operation: 116-38=78, Resulting Numbers: [78] 78,75 unequal: No Solution Exploring Operation: 38+116=154, Resulting Numbers: [154] 154,75 unequal: No Solution Exploring Operation: 38*116=4408, Resulting Numbers: [4408] 4408,75 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
[ 24, 16, 56, 92 ]
85
[ "24-16=8", "56/8=7", "92-7=85" ]
Current State: 85:[24, 16, 56, 92], Operations: [] Exploring Operation: 24-16=8, Resulting Numbers: [56, 92, 8] Generated Node #2: [56, 92, 8] from Operation: 24-16=8 Current State: 85:[56, 92, 8], Operations: ['24-16=8'] Exploring Operation: 56/8=7, Resulting Numbers: [92, 7] Generated Node #3: [92, 7] from Operation: 56/8=7 Current State: 85:[92, 7], Operations: ['24-16=8', '56/8=7'] Exploring Operation: 92-7=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[24, 16, 56, 92], Operations: [] Exploring Operation: 24+56=80, Resulting Numbers: [16, 92, 80] Generated Node #0,0: 85:[16, 92, 80] Operation: 24+56=80 Exploring Operation: 16+56=72, Resulting Numbers: [24, 92, 72] Generated Node #0,1: 85:[24, 92, 72] Operation: 16+56=72 Exploring Operation: 56-24=32, Resulting Numbers: [16, 92, 32] Generated Node #0,2: 85:[16, 92, 32] Operation: 56-24=32 Moving to Node #0,0 Current State: 85:[16, 92, 80], Operations: ['24+56=80'] Exploring Operation: 92-16=76, Resulting Numbers: [80, 76] Generated Node #0,0,0: 85:[80, 76] Operation: 92-16=76 Exploring Operation: 92-80=12, Resulting Numbers: [16, 12] Generated Node #0,0,1: 85:[16, 12] Operation: 92-80=12 Exploring Operation: 80/16=5, Resulting Numbers: [92, 5] Generated Node #0,0,2: 85:[92, 5] Operation: 80/16=5 Moving to Node #0,2 Current State: 85:[16, 92, 32], Operations: ['56-24=32'] Exploring Operation: 92-16=76, Resulting Numbers: [32, 76] Generated Node #0,2,0: 85:[32, 76] Operation: 92-16=76 Exploring Operation: 32/16=2, Resulting Numbers: [92, 2] Generated Node #0,2,1: 85:[92, 2] Operation: 32/16=2 Exploring Operation: 32-16=16, Resulting Numbers: [92, 16] Generated Node #0,2,2: 85:[92, 16] Operation: 32-16=16 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 85:[92, 16], Operations: ['56-24=32', '32-16=16'] Exploring Operation: 92+16=108, Resulting Numbers: [108] 108,85 unequal: No Solution Exploring Operation: 92*16=1472, Resulting Numbers: [1472] 1472,85 unequal: No Solution Exploring Operation: 92-16=76, Resulting Numbers: [76] 76,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[92, 2], Operations: ['56-24=32', '32/16=2'] Exploring Operation: 92/2=46, Resulting Numbers: [46] 46,85 unequal: No Solution Exploring Operation: 92+2=94, Resulting Numbers: [94] 94,85 unequal: No Solution Exploring Operation: 92-2=90, Resulting Numbers: [90] 90,85 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:[32, 76], Operations: ['56-24=32', '92-16=76'] Exploring Operation: 32+76=108, Resulting Numbers: [108] 108,85 unequal: No Solution Exploring Operation: 76-32=44, Resulting Numbers: [44] 44,85 unequal: No Solution Exploring Operation: 32*76=2432, Resulting Numbers: [2432] 2432,85 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: 85:[24, 92, 72], Operations: ['16+56=72'] Exploring Operation: 72/24=3, Resulting Numbers: [92, 3] Generated Node #0,1,0: 85:[92, 3] Operation: 72/24=3 Exploring Operation: 92-72=20, Resulting Numbers: [24, 20] Generated Node #0,1,1: 85:[24, 20] Operation: 92-72=20 Exploring Operation: 24+72=96, Resulting Numbers: [92, 96] Generated Node #0,1,2: 85:[92, 96] Operation: 24+72=96 Moving to Node #0,0,1 Current State: 85:[16, 12], Operations: ['24+56=80', '92-80=12'] Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,85 unequal: No Solution Exploring Operation: 16*12=192, Resulting Numbers: [192] 192,85 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[92, 5], Operations: ['24+56=80', '80/16=5'] Exploring Operation: 92*5=460, Resulting Numbers: [460] 460,85 unequal: No Solution Exploring Operation: 92-5=87, Resulting Numbers: [87] 87,85 unequal: No Solution Exploring Operation: 92+5=97, Resulting Numbers: [97] 97,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[92, 3], Operations: ['16+56=72', '72/24=3'] Exploring Operation: 92+3=95, Resulting Numbers: [95] 95,85 unequal: No Solution Exploring Operation: 92*3=276, Resulting Numbers: [276] 276,85 unequal: No Solution Exploring Operation: 92-3=89, Resulting Numbers: [89] 89,85 unequal: No Solution Moving to Node #0,1,1 Current State: 85:[24, 20], Operations: ['16+56=72', '92-72=20'] Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,85 unequal: No Solution Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[80, 76], Operations: ['24+56=80', '92-16=76'] Exploring Operation: 80*76=6080, Resulting Numbers: [6080] 6080,85 unequal: No Solution Exploring Operation: 80-76=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 80+76=156, Resulting Numbers: [156] 156,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[92, 96], Operations: ['16+56=72', '24+72=96'] Exploring Operation: 96-92=4, Resulting Numbers: [4] 4,85 unequal: No Solution Exploring Operation: 92*96=8832, Resulting Numbers: [8832] 8832,85 unequal: No Solution Exploring Operation: 92+96=188, Resulting Numbers: [188] 188,85 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 3, 24, 21, 47 ]
98
[ "3*24=72", "47-21=26", "72+26=98" ]
Current State: 98:[3, 24, 21, 47], Operations: [] Exploring Operation: 3*24=72, Resulting Numbers: [21, 47, 72] Generated Node #2: [21, 47, 72] from Operation: 3*24=72 Current State: 98:[21, 47, 72], Operations: ['3*24=72'] Exploring Operation: 47-21=26, Resulting Numbers: [72, 26] Generated Node #3: [72, 26] from Operation: 47-21=26 Current State: 98:[72, 26], Operations: ['3*24=72', '47-21=26'] Exploring Operation: 72+26=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[3, 24, 21, 47], Operations: [] Exploring Operation: 24-21=3, Resulting Numbers: [3, 47, 3] Generated Node #0,0: 98:[3, 47, 3] Operation: 24-21=3 Exploring Operation: 24+21=45, Resulting Numbers: [3, 47, 45] Generated Node #0,1: 98:[3, 47, 45] Operation: 24+21=45 Exploring Operation: 21/3=7, Resulting Numbers: [24, 47, 7] Generated Node #0,2: 98:[24, 47, 7] Operation: 21/3=7 Exploring Operation: 24/3=8, Resulting Numbers: [21, 47, 8] Generated Node #0,3: 98:[21, 47, 8] Operation: 24/3=8 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[3, 47, 3], Operations: ['24-21=3'] Exploring Operation: 3+47=50, Resulting Numbers: [3, 50] Generated Node #0,0,0: 98:[3, 50] Operation: 3+47=50 Exploring Operation: 3+3=6, Resulting Numbers: [47, 6] Generated Node #0,0,1: 98:[47, 6] Operation: 3+3=6 Exploring Operation: 47+3=50, Resulting Numbers: [3, 50] Generated Node #0,0,2: 98:[3, 50] Operation: 47+3=50 Exploring Operation: 3/3=1, Resulting Numbers: [47, 1] Generated Node #0,0,3: 98:[47, 1] Operation: 3/3=1 Moving to Node #0,0,0 Current State: 98:[3, 50], Operations: ['24-21=3', '3+47=50'] Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,98 unequal: No Solution Exploring Operation: 3*50=150, Resulting Numbers: [150] 150,98 unequal: No Solution Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,98 unequal: No Solution Moving to Node #0,0,2 Current State: 98:[3, 50], Operations: ['24-21=3', '47+3=50'] Exploring Operation: 50-3=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 3+50=53, Resulting Numbers: [53] 53,98 unequal: No Solution Exploring Operation: 3*50=150, Resulting Numbers: [150] 150,98 unequal: No Solution Moving to Node #0,0,3 Current State: 98:[47, 1], Operations: ['24-21=3', '3/3=1'] Exploring Operation: 47/1=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 47*1=47, Resulting Numbers: [47] 47,98 unequal: No Solution Exploring Operation: 47+1=48, Resulting Numbers: [48] 48,98 unequal: No Solution Exploring Operation: 47-1=46, Resulting Numbers: [46] 46,98 unequal: No Solution Moving to Node #0,0,1 Current State: 98:[47, 6], Operations: ['24-21=3', '3+3=6'] Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,98 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,98 unequal: No Solution Exploring Operation: 47*6=282, Resulting Numbers: [282] 282,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[3, 47, 45], Operations: ['24+21=45'] Exploring Operation: 45/3=15, Resulting Numbers: [47, 15] Generated Node #0,1,0: 98:[47, 15] Operation: 45/3=15 Exploring Operation: 47-45=2, Resulting Numbers: [3, 2] Generated Node #0,1,1: 98:[3, 2] Operation: 47-45=2 Exploring Operation: 3+47=50, Resulting Numbers: [45, 50] Generated Node #0,1,2: 98:[45, 50] Operation: 3+47=50 Exploring Operation: 3+45=48, Resulting Numbers: [47, 48] Generated Node #0,1,3: 98:[47, 48] Operation: 3+45=48 Moving to Node #0,1,1 Current State: 98:[3, 2], Operations: ['24+21=45', '47-45=2'] Exploring Operation: 3+2=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 3*2=6, Resulting Numbers: [6] 6,98 unequal: No Solution Moving to Node #0,1,3 Current State: 98:[47, 48], Operations: ['24+21=45', '3+45=48'] Exploring Operation: 47+48=95, Resulting Numbers: [95] 95,98 unequal: No Solution Exploring Operation: 48-47=1, Resulting Numbers: [1] 1,98 unequal: No Solution Exploring Operation: 47*48=2256, Resulting Numbers: [2256] 2256,98 unequal: No Solution Moving to Node #0,1,0 Current State: 98:[47, 15], Operations: ['24+21=45', '45/3=15'] Exploring Operation: 47*15=705, Resulting Numbers: [705] 705,98 unequal: No Solution Exploring Operation: 47-15=32, Resulting Numbers: [32] 32,98 unequal: No Solution Exploring Operation: 47+15=62, Resulting Numbers: [62] 62,98 unequal: No Solution Moving to Node #0,1,2 Current State: 98:[45, 50], Operations: ['24+21=45', '3+47=50'] Exploring Operation: 50-45=5, Resulting Numbers: [5] 5,98 unequal: No Solution Exploring Operation: 45*50=2250, Resulting Numbers: [2250] 2250,98 unequal: No Solution Exploring Operation: 45+50=95, Resulting Numbers: [95] 95,98 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 Current State: 98:[21, 47, 8], Operations: ['24/3=8'] Exploring Operation: 47+8=55, Resulting Numbers: [21, 55] Generated Node #0,3,0: 98:[21, 55] Operation: 47+8=55 Exploring Operation: 21+8=29, Resulting Numbers: [47, 29] Generated Node #0,3,1: 98:[47, 29] Operation: 21+8=29 Exploring Operation: 47-21=26, Resulting Numbers: [8, 26] Generated Node #0,3,2: 98:[8, 26] Operation: 47-21=26 Exploring Operation: 21-8=13, Resulting Numbers: [47, 13] Generated Node #0,3,3: 98:[47, 13] Operation: 21-8=13 Moving to Node #0,3,3 Current State: 98:[47, 13], Operations: ['24/3=8', '21-8=13'] Exploring Operation: 47+13=60, Resulting Numbers: [60] 60,98 unequal: No Solution Exploring Operation: 47*13=611, Resulting Numbers: [611] 611,98 unequal: No Solution Exploring Operation: 47-13=34, Resulting Numbers: [34] 34,98 unequal: No Solution Moving to Node #0,3,2 Current State: 98:[8, 26], Operations: ['24/3=8', '47-21=26'] Exploring Operation: 8+26=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 26-8=18, Resulting Numbers: [18] 18,98 unequal: No Solution Exploring Operation: 8*26=208, Resulting Numbers: [208] 208,98 unequal: No Solution Moving to Node #0,3,0 Current State: 98:[21, 55], Operations: ['24/3=8', '47+8=55'] Exploring Operation: 21*55=1155, Resulting Numbers: [1155] 1155,98 unequal: No Solution Exploring Operation: 55-21=34, Resulting Numbers: [34] 34,98 unequal: No Solution Exploring Operation: 21+55=76, Resulting Numbers: [76] 76,98 unequal: No Solution Moving to Node #0,3,1 Current State: 98:[47, 29], Operations: ['24/3=8', '21+8=29'] Exploring Operation: 47*29=1363, Resulting Numbers: [1363] 1363,98 unequal: No Solution Exploring Operation: 47+29=76, Resulting Numbers: [76] 76,98 unequal: No Solution Exploring Operation: 47-29=18, Resulting Numbers: [18] 18,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[24, 47, 7], Operations: ['21/3=7'] Exploring Operation: 47-24=23, Resulting Numbers: [7, 23] Generated Node #0,2,0: 98:[7, 23] Operation: 47-24=23 Exploring Operation: 24+7=31, Resulting Numbers: [47, 31] Generated Node #0,2,1: 98:[47, 31] Operation: 24+7=31 Exploring Operation: 47+7=54, Resulting Numbers: [24, 54] Generated Node #0,2,2: 98:[24, 54] Operation: 47+7=54 Exploring Operation: 24-7=17, Resulting Numbers: [47, 17] Generated Node #0,2,3: 98:[47, 17] Operation: 24-7=17 Moving to Node #0,2,3 Current State: 98:[47, 17], Operations: ['21/3=7', '24-7=17'] Exploring Operation: 47-17=30, Resulting Numbers: [30] 30,98 unequal: No Solution Exploring Operation: 47*17=799, Resulting Numbers: [799] 799,98 unequal: No Solution Exploring Operation: 47+17=64, Resulting Numbers: [64] 64,98 unequal: No Solution Moving to Node #0,2,0 Current State: 98:[7, 23], Operations: ['21/3=7', '47-24=23'] Exploring Operation: 23-7=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 7*23=161, Resulting Numbers: [161] 161,98 unequal: No Solution Exploring Operation: 7+23=30, Resulting Numbers: [30] 30,98 unequal: No Solution Moving to Node #0,2,2 Current State: 98:[24, 54], Operations: ['21/3=7', '47+7=54'] Exploring Operation: 24*54=1296, Resulting Numbers: [1296] 1296,98 unequal: No Solution Exploring Operation: 24+54=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,98 unequal: No Solution Moving to Node #0,2,1 Current State: 98:[47, 31], Operations: ['21/3=7', '24+7=31'] Exploring Operation: 47+31=78, Resulting Numbers: [78] 78,98 unequal: No Solution Exploring Operation: 47-31=16, Resulting Numbers: [16] 16,98 unequal: No Solution Exploring Operation: 47*31=1457, Resulting Numbers: [1457] 1457,98 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
[ 26, 54, 14, 80 ]
38
[ "54-26=28", "80-14=66", "66-28=38" ]
Current State: 38:[26, 54, 14, 80], Operations: [] Exploring Operation: 54-26=28, Resulting Numbers: [14, 80, 28] Generated Node #2: [14, 80, 28] from Operation: 54-26=28 Current State: 38:[14, 80, 28], Operations: ['54-26=28'] Exploring Operation: 80-14=66, Resulting Numbers: [28, 66] Generated Node #3: [28, 66] from Operation: 80-14=66 Current State: 38:[28, 66], Operations: ['54-26=28', '80-14=66'] Exploring Operation: 66-28=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[26, 54, 14, 80], Operations: [] Exploring Operation: 54-26=28, Resulting Numbers: [14, 80, 28] Generated Node #0,0: 38:[14, 80, 28] Operation: 54-26=28 Exploring Operation: 80-26=54, Resulting Numbers: [54, 14, 54] Generated Node #0,1: 38:[54, 14, 54] Operation: 80-26=54 Exploring Operation: 54-14=40, Resulting Numbers: [26, 80, 40] Generated Node #0,2: 38:[26, 80, 40] Operation: 54-14=40 Exploring Operation: 80-54=26, Resulting Numbers: [26, 14, 26] Generated Node #0,3: 38:[26, 14, 26] Operation: 80-54=26 Exploring Operation: 80-14=66, Resulting Numbers: [26, 54, 66] Generated Node #0,4: 38:[26, 54, 66] Operation: 80-14=66 Moving to Node #0,3 Current State: 38:[26, 14, 26], Operations: ['80-54=26'] Exploring Operation: 26+14=40, Resulting Numbers: [26, 40] Generated Node #0,3,0: 38:[26, 40] Operation: 26+14=40 Exploring Operation: 26-14=12, Resulting Numbers: [26, 12] Generated Node #0,3,1: 38:[26, 12] Operation: 26-14=12 Exploring Operation: 26-26=0, Resulting Numbers: [14, 0] Generated Node #0,3,2: 38:[14, 0] Operation: 26-26=0 Exploring Operation: 14+26=40, Resulting Numbers: [26, 40] Generated Node #0,3,3: 38:[26, 40] Operation: 14+26=40 Exploring Operation: 26/26=1, Resulting Numbers: [14, 1] Generated Node #0,3,4: 38:[14, 1] Operation: 26/26=1 Moving to Node #0,1 Current State: 38:[54, 14, 54], Operations: ['80-26=54'] Exploring Operation: 54-14=40, Resulting Numbers: [54, 40] Generated Node #0,1,0: 38:[54, 40] Operation: 54-14=40 Exploring Operation: 54/54=1, Resulting Numbers: [14, 1] Generated Node #0,1,1: 38:[14, 1] Operation: 54/54=1 Exploring Operation: 54-14=40, Resulting Numbers: [54, 40] Generated Node #0,1,2: 38:[54, 40] Operation: 54-14=40 Exploring Operation: 54+14=68, Resulting Numbers: [54, 68] Generated Node #0,1,3: 38:[54, 68] Operation: 54+14=68 Exploring Operation: 54-54=0, Resulting Numbers: [14, 0] Generated Node #0,1,4: 38:[14, 0] Operation: 54-54=0 Moving to Node #0,2 Current State: 38:[26, 80, 40], Operations: ['54-14=40'] Exploring Operation: 80-26=54, Resulting Numbers: [40, 54] Generated Node #0,2,0: 38:[40, 54] Operation: 80-26=54 Exploring Operation: 80/40=2, Resulting Numbers: [26, 2] Generated Node #0,2,1: 38:[26, 2] Operation: 80/40=2 Exploring Operation: 26+80=106, Resulting Numbers: [40, 106] Generated Node #0,2,2: 38:[40, 106] Operation: 26+80=106 Exploring Operation: 40-26=14, Resulting Numbers: [80, 14] Generated Node #0,2,3: 38:[80, 14] Operation: 40-26=14 Exploring Operation: 80-40=40, Resulting Numbers: [26, 40] Generated Node #0,2,4: 38:[26, 40] Operation: 80-40=40 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 38:[26, 2], Operations: ['54-14=40', '80/40=2'] Exploring Operation: 26*2=52, Resulting Numbers: [52] 52,38 unequal: No Solution Exploring Operation: 26/2=13, Resulting Numbers: [13] 13,38 unequal: No Solution Exploring Operation: 26+2=28, Resulting Numbers: [28] 28,38 unequal: No Solution Exploring Operation: 26-2=24, Resulting Numbers: [24] 24,38 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 #0,2,4 Current State: 38:[26, 40], Operations: ['54-14=40', '80-40=40'] Exploring Operation: 26*40=1040, Resulting Numbers: [1040] 1040,38 unequal: No Solution Exploring Operation: 26+40=66, Resulting Numbers: [66] 66,38 unequal: No Solution Exploring Operation: 40-26=14, Resulting Numbers: [14] 14,38 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 #0,2,0 Current State: 38:[40, 54], Operations: ['54-14=40', '80-26=54'] Exploring Operation: 40*54=2160, Resulting Numbers: [2160] 2160,38 unequal: No Solution Exploring Operation: 54-40=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 40+54=94, Resulting Numbers: [94] 94,38 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 #0,2,3 Current State: 38:[80, 14], Operations: ['54-14=40', '40-26=14'] Exploring Operation: 80*14=1120, Resulting Numbers: [1120] 1120,38 unequal: No Solution Exploring Operation: 80+14=94, Resulting Numbers: [94] 94,38 unequal: No Solution Exploring Operation: 80-14=66, Resulting Numbers: [66] 66,38 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 #0,2,2 Current State: 38:[40, 106], Operations: ['54-14=40', '26+80=106'] Exploring Operation: 40*106=4240, Resulting Numbers: [4240] 4240,38 unequal: No Solution Exploring Operation: 40+106=146, Resulting Numbers: [146] 146,38 unequal: No Solution Exploring Operation: 106-40=66, Resulting Numbers: [66] 66,38 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4 Current State: 38:[26, 54, 66], Operations: ['80-14=66'] Exploring Operation: 66-26=40, Resulting Numbers: [54, 40] Generated Node #0,4,0: 38:[54, 40] Operation: 66-26=40 Exploring Operation: 26+54=80, Resulting Numbers: [66, 80] Generated Node #0,4,1: 38:[66, 80] Operation: 26+54=80 Exploring Operation: 26+66=92, Resulting Numbers: [54, 92] Generated Node #0,4,2: 38:[54, 92] Operation: 26+66=92 Exploring Operation: 54-26=28, Resulting Numbers: [66, 28] Generated Node #0,4,3: 38:[66, 28] Operation: 54-26=28 Exploring Operation: 66-54=12, Resulting Numbers: [26, 12] Generated Node #0,4,4: 38:[26, 12] Operation: 66-54=12 Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 38:[26, 12], Operations: ['80-14=66', '66-54=12'] Exploring Operation: 26*12=312, Resulting Numbers: [312] 312,38 unequal: No Solution Exploring Operation: 26-12=14, Resulting Numbers: [14] 14,38 unequal: No Solution Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[26, 54, 14, 80], Operations: [] Exploring Operation: 80-14=66, Resulting Numbers: [26, 54, 66] Generated Node #0,4: 38:[26, 54, 66] Operation: 80-14=66 Moving to Node #0,4 Current State: 38:[26, 54, 66], Operations: ['80-14=66'] Exploring Operation: 66-54=12, Resulting Numbers: [26, 12] Generated Node #0,4,4: 38:[26, 12] Operation: 66-54=12 Moving to Node #0,4,4 Current State: 38:[26, 12], Operations: ['80-14=66', '66-54=12'] Exploring Operation: 26+12=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.958333
hs_5
mult_heuristic
[ 28, 3, 82, 65 ]
42
[ "28-3=25", "82-65=17", "25+17=42" ]
Current State: 42:[28, 3, 82, 65], Operations: [] Exploring Operation: 28-3=25, Resulting Numbers: [82, 65, 25] Generated Node #2: [82, 65, 25] from Operation: 28-3=25 Current State: 42:[82, 65, 25], Operations: ['28-3=25'] Exploring Operation: 82-65=17, Resulting Numbers: [25, 17] Generated Node #3: [25, 17] from Operation: 82-65=17 Current State: 42:[25, 17], Operations: ['28-3=25', '82-65=17'] Exploring Operation: 25+17=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[28, 3, 82, 65], Operations: [] Exploring Operation: 82-28=54, Resulting Numbers: [3, 65, 54] Generated Node #0,0: 42:[3, 65, 54] Operation: 82-28=54 Exploring Operation: 65-28=37, Resulting Numbers: [3, 82, 37] Generated Node #0,1: 42:[3, 82, 37] Operation: 65-28=37 Exploring Operation: 82-65=17, Resulting Numbers: [28, 3, 17] Generated Node #0,2: 42:[28, 3, 17] Operation: 82-65=17 Moving to Node #0,2 Current State: 42:[28, 3, 17], Operations: ['82-65=17'] Exploring Operation: 28-17=11, Resulting Numbers: [3, 11] Generated Node #0,2,0: 42:[3, 11] Operation: 28-17=11 Exploring Operation: 28-3=25, Resulting Numbers: [17, 25] Generated Node #0,2,1: 42:[17, 25] Operation: 28-3=25 Exploring Operation: 28+17=45, Resulting Numbers: [3, 45] Generated Node #0,2,2: 42:[3, 45] Operation: 28+17=45 Moving to Node #0,0 Current State: 42:[3, 65, 54], Operations: ['82-28=54'] Exploring Operation: 65-3=62, Resulting Numbers: [54, 62] Generated Node #0,0,0: 42:[54, 62] Operation: 65-3=62 Exploring Operation: 65-54=11, Resulting Numbers: [3, 11] Generated Node #0,0,1: 42:[3, 11] Operation: 65-54=11 Exploring Operation: 54/3=18, Resulting Numbers: [65, 18] Generated Node #0,0,2: 42:[65, 18] Operation: 54/3=18 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 42:[3, 11], Operations: ['82-28=54', '65-54=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,42 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,42 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 42:[65, 18], Operations: ['82-28=54', '54/3=18'] Exploring Operation: 65+18=83, Resulting Numbers: [83] 83,42 unequal: No Solution Exploring Operation: 65*18=1170, Resulting Numbers: [1170] 1170,42 unequal: No Solution Exploring Operation: 65-18=47, Resulting Numbers: [47] 47,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 42:[54, 62], Operations: ['82-28=54', '65-3=62'] Exploring Operation: 54*62=3348, Resulting Numbers: [3348] 3348,42 unequal: No Solution Exploring Operation: 54+62=116, Resulting Numbers: [116] 116,42 unequal: No Solution Exploring Operation: 62-54=8, Resulting Numbers: [8] 8,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 42:[3, 82, 37], Operations: ['65-28=37'] Exploring Operation: 82-37=45, Resulting Numbers: [3, 45] Generated Node #0,1,0: 42:[3, 45] Operation: 82-37=45 Exploring Operation: 3+37=40, Resulting Numbers: [82, 40] Generated Node #0,1,1: 42:[82, 40] Operation: 3+37=40 Exploring Operation: 82-3=79, Resulting Numbers: [37, 79] Generated Node #0,1,2: 42:[37, 79] Operation: 82-3=79 Moving to Node #0,2,0 Current State: 42:[3, 11], Operations: ['82-65=17', '28-17=11'] Exploring Operation: 3*11=33, Resulting Numbers: [33] 33,42 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 3+11=14, Resulting Numbers: [14] 14,42 unequal: No Solution Moving to Node #0,2,2 Current State: 42:[3, 45], Operations: ['82-65=17', '28+17=45'] Exploring Operation: 45/3=15, Resulting Numbers: [15] 15,42 unequal: No Solution Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,42 equal: Goal Reached Moving to Node #0 Current State: 42:[28, 3, 82, 65], Operations: [] Exploring Operation: 82-65=17, Resulting Numbers: [28, 3, 17] Generated Node #0,2: 42:[28, 3, 17] Operation: 82-65=17 Moving to Node #0,2 Current State: 42:[28, 3, 17], Operations: ['82-65=17'] Exploring Operation: 28+17=45, Resulting Numbers: [3, 45] Generated Node #0,2,2: 42:[3, 45] Operation: 28+17=45 Moving to Node #0,2,2 Current State: 42:[3, 45], Operations: ['82-65=17', '28+17=45'] Exploring Operation: 45-3=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
0.973958
hs_3
mult_heuristic
[ 81, 82, 80, 4 ]
75
[ "82-81=1", "80-4=76", "76-1=75" ]
Current State: 75:[81, 82, 80, 4], Operations: [] Exploring Operation: 82-81=1, Resulting Numbers: [80, 4, 1] Generated Node #2: [80, 4, 1] from Operation: 82-81=1 Current State: 75:[80, 4, 1], Operations: ['82-81=1'] Exploring Operation: 80-4=76, Resulting Numbers: [1, 76] Generated Node #3: [1, 76] from Operation: 80-4=76 Current State: 75:[1, 76], Operations: ['82-81=1', '80-4=76'] Exploring Operation: 76-1=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[81, 82, 80, 4], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [81, 4, 2] Generated Node #0,0: 75:[81, 4, 2] Operation: 82-80=2 Exploring Operation: 82-81=1, Resulting Numbers: [80, 4, 1] Generated Node #0,1: 75:[80, 4, 1] Operation: 82-81=1 Exploring Operation: 81-80=1, Resulting Numbers: [82, 4, 1] Generated Node #0,2: 75:[82, 4, 1] Operation: 81-80=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[81, 4, 2], Operations: ['82-80=2'] Exploring Operation: 81-4=77, Resulting Numbers: [2, 77] Generated Node #0,0,0: 75:[2, 77] Operation: 81-4=77 Exploring Operation: 4+2=6, Resulting Numbers: [81, 6] Generated Node #0,0,1: 75:[81, 6] Operation: 4+2=6 Exploring Operation: 81-2=79, Resulting Numbers: [4, 79] Generated Node #0,0,2: 75:[4, 79] Operation: 81-2=79 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[2, 77], Operations: ['82-80=2', '81-4=77'] Exploring Operation: 2+77=79, Resulting Numbers: [79] 79,75 unequal: No Solution Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Moving to Node #0 Current State: 75:[81, 82, 80, 4], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [81, 4, 2] Generated Node #0,0: 75:[81, 4, 2] Operation: 82-80=2 Moving to Node #0,0 Current State: 75:[81, 4, 2], Operations: ['82-80=2'] Exploring Operation: 81-4=77, Resulting Numbers: [2, 77] Generated Node #0,0,0: 75:[2, 77] Operation: 81-4=77 Moving to Node #0,0,0 Current State: 75:[2, 77], Operations: ['82-80=2', '81-4=77'] Exploring Operation: 77-2=75, Resulting Numbers: [75] 75,75 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
mult_heuristic
[ 21, 65, 90, 15 ]
70
[ "90+15=105", "105/21=5", "65+5=70" ]
Current State: 70:[21, 65, 90, 15], Operations: [] Exploring Operation: 90+15=105, Resulting Numbers: [21, 65, 105] Generated Node #2: [21, 65, 105] from Operation: 90+15=105 Current State: 70:[21, 65, 105], Operations: ['90+15=105'] Exploring Operation: 105/21=5, Resulting Numbers: [65, 5] Generated Node #3: [65, 5] from Operation: 105/21=5 Current State: 70:[65, 5], Operations: ['90+15=105', '105/21=5'] Exploring Operation: 65+5=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[21, 65, 90, 15], Operations: [] Exploring Operation: 90-21=69, Resulting Numbers: [65, 15, 69] Generated Node #0,0: 70:[65, 15, 69] Operation: 90-21=69 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[65, 15, 69], Operations: ['90-21=69'] Exploring Operation: 69-65=4, Resulting Numbers: [15, 4] Generated Node #0,0,0: 70:[15, 4] Operation: 69-65=4 Moving to Node #0,0,0 Current State: 70:[15, 4], Operations: ['90-21=69', '69-65=4'] Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 54, 70, 35, 10 ]
12
[ "54-35=19", "70/10=7", "19-7=12" ]
Current State: 12:[54, 70, 35, 10], Operations: [] Exploring Operation: 54-35=19, Resulting Numbers: [70, 10, 19] Generated Node #2: [70, 10, 19] from Operation: 54-35=19 Current State: 12:[70, 10, 19], Operations: ['54-35=19'] Exploring Operation: 70/10=7, Resulting Numbers: [19, 7] Generated Node #3: [19, 7] from Operation: 70/10=7 Current State: 12:[19, 7], Operations: ['54-35=19', '70/10=7'] Exploring Operation: 19-7=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[54, 70, 35, 10], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [54, 10, 2] Generated Node #0,0: 12:[54, 10, 2] Operation: 70/35=2 Exploring Operation: 70-54=16, Resulting Numbers: [35, 10, 16] Generated Node #0,1: 12:[35, 10, 16] Operation: 70-54=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 12:[35, 10, 16], Operations: ['70-54=16'] Exploring Operation: 35-16=19, Resulting Numbers: [10, 19] Generated Node #0,1,0: 12:[10, 19] Operation: 35-16=19 Exploring Operation: 35-10=25, Resulting Numbers: [16, 25] Generated Node #0,1,1: 12:[16, 25] Operation: 35-10=25 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 12:[10, 19], Operations: ['70-54=16', '35-16=19'] Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,12 unequal: No Solution Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 12:[16, 25], Operations: ['70-54=16', '35-10=25'] Exploring Operation: 25-16=9, Resulting Numbers: [9] 9,12 unequal: No Solution Exploring Operation: 16+25=41, Resulting Numbers: [41] 41,12 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 12:[54, 10, 2], Operations: ['70/35=2'] Exploring Operation: 54-10=44, Resulting Numbers: [2, 44] Generated Node #0,0,0: 12:[2, 44] Operation: 54-10=44 Exploring Operation: 54/2=27, Resulting Numbers: [10, 27] Generated Node #0,0,1: 12:[10, 27] Operation: 54/2=27 Moving to Node #0,0,1 Current State: 12:[10, 27], Operations: ['70/35=2', '54/2=27'] Exploring Operation: 27-10=17, Resulting Numbers: [17] 17,12 unequal: No Solution Exploring Operation: 10+27=37, Resulting Numbers: [37] 37,12 unequal: No Solution Moving to Node #0,0,0 Current State: 12:[2, 44], Operations: ['70/35=2', '54-10=44'] Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,12 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,12 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 37, 18, 48, 2 ]
43
[ "37-18=19", "48/2=24", "19+24=43" ]
Current State: 43:[37, 18, 48, 2], Operations: [] Exploring Operation: 37-18=19, Resulting Numbers: [48, 2, 19] Generated Node #2: [48, 2, 19] from Operation: 37-18=19 Current State: 43:[48, 2, 19], Operations: ['37-18=19'] Exploring Operation: 48/2=24, Resulting Numbers: [19, 24] Generated Node #3: [19, 24] from Operation: 48/2=24 Current State: 43:[19, 24], Operations: ['37-18=19', '48/2=24'] Exploring Operation: 19+24=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[37, 18, 48, 2], Operations: [] Exploring Operation: 18+2=20, Resulting Numbers: [37, 48, 20] Generated Node #0,0: 43:[37, 48, 20] Operation: 18+2=20 Exploring Operation: 48-2=46, Resulting Numbers: [37, 18, 46] Generated Node #0,1: 43:[37, 18, 46] Operation: 48-2=46 Exploring Operation: 37+2=39, Resulting Numbers: [18, 48, 39] Generated Node #0,2: 43:[18, 48, 39] Operation: 37+2=39 Exploring Operation: 18*2=36, Resulting Numbers: [37, 48, 36] Generated Node #0,3: 43:[37, 48, 36] Operation: 18*2=36 Moving to Node #0,3 Current State: 43:[37, 48, 36], Operations: ['18*2=36'] Exploring Operation: 48-37=11, Resulting Numbers: [36, 11] Generated Node #0,3,0: 43:[36, 11] Operation: 48-37=11 Exploring Operation: 37+36=73, Resulting Numbers: [48, 73] Generated Node #0,3,1: 43:[48, 73] Operation: 37+36=73 Exploring Operation: 48-36=12, Resulting Numbers: [37, 12] Generated Node #0,3,2: 43:[37, 12] Operation: 48-36=12 Exploring Operation: 37-36=1, Resulting Numbers: [48, 1] Generated Node #0,3,3: 43:[48, 1] Operation: 37-36=1 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 43:[48, 73], Operations: ['18*2=36', '37+36=73'] Exploring Operation: 48*73=3504, Resulting Numbers: [3504] 3504,43 unequal: No Solution Exploring Operation: 73-48=25, Resulting Numbers: [25] 25,43 unequal: No Solution Exploring Operation: 48+73=121, Resulting Numbers: [121] 121,43 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 #0,3,2 Current State: 43:[37, 12], Operations: ['18*2=36', '48-36=12'] Exploring Operation: 37*12=444, Resulting Numbers: [444] 444,43 unequal: No Solution Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,43 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,43 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 #0,3,0 Current State: 43:[36, 11], Operations: ['18*2=36', '48-37=11'] Exploring Operation: 36*11=396, Resulting Numbers: [396] 396,43 unequal: No Solution Exploring Operation: 36+11=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 36-11=25, Resulting Numbers: [25] 25,43 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 #0,3,3 Current State: 43:[48, 1], Operations: ['18*2=36', '37-36=1'] Exploring Operation: 48-1=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 48/1=48, Resulting Numbers: [48] 48,43 unequal: No Solution Exploring Operation: 48+1=49, Resulting Numbers: [49] 49,43 unequal: No Solution Exploring Operation: 48*1=48, Resulting Numbers: [48] 48,43 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: 43:[37, 18, 46], Operations: ['48-2=46'] Exploring Operation: 37+18=55, Resulting Numbers: [46, 55] Generated Node #0,1,0: 43:[46, 55] Operation: 37+18=55 Exploring Operation: 46-18=28, Resulting Numbers: [37, 28] Generated Node #0,1,1: 43:[37, 28] Operation: 46-18=28 Exploring Operation: 37-18=19, Resulting Numbers: [46, 19] Generated Node #0,1,2: 43:[46, 19] Operation: 37-18=19 Exploring Operation: 18+46=64, Resulting Numbers: [37, 64] Generated Node #0,1,3: 43:[37, 64] Operation: 18+46=64 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 43:[46, 55], Operations: ['48-2=46', '37+18=55'] Exploring Operation: 46+55=101, Resulting Numbers: [101] 101,43 unequal: No Solution Exploring Operation: 46*55=2530, Resulting Numbers: [2530] 2530,43 unequal: No Solution Exploring Operation: 55-46=9, Resulting Numbers: [9] 9,43 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 #0,1,1 Current State: 43:[37, 28], Operations: ['48-2=46', '46-18=28'] Exploring Operation: 37*28=1036, Resulting Numbers: [1036] 1036,43 unequal: No Solution Exploring Operation: 37+28=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,43 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 #0,1,2 Current State: 43:[46, 19], Operations: ['48-2=46', '37-18=19'] Exploring Operation: 46-19=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 46+19=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 46*19=874, Resulting Numbers: [874] 874,43 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 #0,1,3 Current State: 43:[37, 64], Operations: ['48-2=46', '18+46=64'] Exploring Operation: 37+64=101, Resulting Numbers: [101] 101,43 unequal: No Solution Exploring Operation: 64-37=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 37*64=2368, Resulting Numbers: [2368] 2368,43 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: 43:[37, 48, 20], Operations: ['18+2=20'] Exploring Operation: 37+20=57, Resulting Numbers: [48, 57] Generated Node #0,0,0: 43:[48, 57] Operation: 37+20=57 Exploring Operation: 48-20=28, Resulting Numbers: [37, 28] Generated Node #0,0,1: 43:[37, 28] Operation: 48-20=28 Exploring Operation: 37-20=17, Resulting Numbers: [48, 17] Generated Node #0,0,2: 43:[48, 17] Operation: 37-20=17 Exploring Operation: 48+20=68, Resulting Numbers: [37, 68] Generated Node #0,0,3: 43:[37, 68] Operation: 48+20=68 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 43:[48, 57], Operations: ['18+2=20', '37+20=57'] Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,43 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,43 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,43 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:[37, 28], Operations: ['18+2=20', '48-20=28'] Exploring Operation: 37*28=1036, Resulting Numbers: [1036] 1036,43 unequal: No Solution Exploring Operation: 37-28=9, Resulting Numbers: [9] 9,43 unequal: No Solution Exploring Operation: 37+28=65, Resulting Numbers: [65] 65,43 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:[48, 17], Operations: ['18+2=20', '37-20=17'] Exploring Operation: 48*17=816, Resulting Numbers: [816] 816,43 unequal: No Solution Exploring Operation: 48+17=65, Resulting Numbers: [65] 65,43 unequal: No Solution Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,43 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:[37, 68], Operations: ['18+2=20', '48+20=68'] Exploring Operation: 37+68=105, Resulting Numbers: [105] 105,43 unequal: No Solution Exploring Operation: 37*68=2516, Resulting Numbers: [2516] 2516,43 unequal: No Solution Exploring Operation: 68-37=31, Resulting Numbers: [31] 31,43 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:[18, 48, 39], Operations: ['37+2=39'] Exploring Operation: 18+48=66, Resulting Numbers: [39, 66] Generated Node #0,2,0: 43:[39, 66] Operation: 18+48=66 Exploring Operation: 48-18=30, Resulting Numbers: [39, 30] Generated Node #0,2,1: 43:[39, 30] Operation: 48-18=30 Exploring Operation: 39-18=21, Resulting Numbers: [48, 21] Generated Node #0,2,2: 43:[48, 21] Operation: 39-18=21 Exploring Operation: 18+39=57, Resulting Numbers: [48, 57] Generated Node #0,2,3: 43:[48, 57] Operation: 18+39=57 Moving to Node #0,2,1 Current State: 43:[39, 30], Operations: ['37+2=39', '48-18=30'] Exploring Operation: 39*30=1170, Resulting Numbers: [1170] 1170,43 unequal: No Solution Exploring Operation: 39+30=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 39-30=9, Resulting Numbers: [9] 9,43 unequal: No Solution Moving to Node #0,2,3 Current State: 43:[48, 57], Operations: ['37+2=39', '18+39=57'] Exploring Operation: 48*57=2736, Resulting Numbers: [2736] 2736,43 unequal: No Solution Exploring Operation: 57-48=9, Resulting Numbers: [9] 9,43 unequal: No Solution Exploring Operation: 48+57=105, Resulting Numbers: [105] 105,43 unequal: No Solution Moving to Node #0,2,2 Current State: 43:[48, 21], Operations: ['37+2=39', '39-18=21'] Exploring Operation: 48-21=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 48+21=69, Resulting Numbers: [69] 69,43 unequal: No Solution Exploring Operation: 48*21=1008, Resulting Numbers: [1008] 1008,43 unequal: No Solution Moving to Node #0,2,0 Current State: 43:[39, 66], Operations: ['37+2=39', '18+48=66'] Exploring Operation: 39*66=2574, Resulting Numbers: [2574] 2574,43 unequal: No Solution Exploring Operation: 66-39=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 39+66=105, Resulting Numbers: [105] 105,43 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 86, 47, 20, 60 ]
55
[ "47*60=2820", "2820/20=141", "141-86=55" ]
Current State: 55:[86, 47, 20, 60], Operations: [] Exploring Operation: 47*60=2820, Resulting Numbers: [86, 20, 2820] Generated Node #2: [86, 20, 2820] from Operation: 47*60=2820 Current State: 55:[86, 20, 2820], Operations: ['47*60=2820'] Exploring Operation: 2820/20=141, Resulting Numbers: [86, 141] Generated Node #3: [86, 141] from Operation: 2820/20=141 Current State: 55:[86, 141], Operations: ['47*60=2820', '2820/20=141'] Exploring Operation: 141-86=55, Resulting Numbers: [55] 55,55 equal: Goal Reached
4
Current State: 55:[86, 47, 20, 60], Operations: [] Exploring Operation: 60/20=3, Resulting Numbers: [86, 47, 3] Generated Node #0,0: 55:[86, 47, 3] Operation: 60/20=3 Exploring Operation: 86-60=26, Resulting Numbers: [47, 20, 26] Generated Node #0,1: 55:[47, 20, 26] Operation: 86-60=26 Exploring Operation: 86-47=39, Resulting Numbers: [20, 60, 39] Generated Node #0,2: 55:[20, 60, 39] Operation: 86-47=39 Exploring Operation: 60-47=13, Resulting Numbers: [86, 20, 13] Generated Node #0,3: 55:[86, 20, 13] Operation: 60-47=13 Exploring Operation: 86-20=66, Resulting Numbers: [47, 60, 66] Generated Node #0,4: 55:[47, 60, 66] Operation: 86-20=66 Start Sub Search at level 1: Moving to Node #0,4 Current State: 55:[47, 60, 66], Operations: ['86-20=66'] Exploring Operation: 66-47=19, Resulting Numbers: [60, 19] Generated Node #0,4,0: 55:[60, 19] Operation: 66-47=19 Exploring Operation: 66-60=6, Resulting Numbers: [47, 6] Generated Node #0,4,1: 55:[47, 6] Operation: 66-60=6 Exploring Operation: 47+60=107, Resulting Numbers: [66, 107] Generated Node #0,4,2: 55:[66, 107] Operation: 47+60=107 Exploring Operation: 60-47=13, Resulting Numbers: [66, 13] Generated Node #0,4,3: 55:[66, 13] Operation: 60-47=13 Exploring Operation: 47+66=113, Resulting Numbers: [60, 113] Generated Node #0,4,4: 55:[60, 113] Operation: 47+66=113 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 55:[47, 6], Operations: ['86-20=66', '66-60=6'] Exploring Operation: 47*6=282, Resulting Numbers: [282] 282,55 unequal: No Solution Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 55:[60, 19], Operations: ['86-20=66', '66-47=19'] Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 60+19=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 60*19=1140, Resulting Numbers: [1140] 1140,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 55:[66, 13], Operations: ['86-20=66', '60-47=13'] Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 66+13=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 66*13=858, Resulting Numbers: [858] 858,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 55:[66, 107], Operations: ['86-20=66', '47+60=107'] Exploring Operation: 66+107=173, Resulting Numbers: [173] 173,55 unequal: No Solution Exploring Operation: 107-66=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 66*107=7062, Resulting Numbers: [7062] 7062,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 55:[60, 113], Operations: ['86-20=66', '47+66=113'] Exploring Operation: 60+113=173, Resulting Numbers: [173] 173,55 unequal: No Solution Exploring Operation: 60*113=6780, Resulting Numbers: [6780] 6780,55 unequal: No Solution Exploring Operation: 113-60=53, Resulting Numbers: [53] 53,55 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: 55:[20, 60, 39], Operations: ['86-47=39'] Exploring Operation: 20+39=59, Resulting Numbers: [60, 59] Generated Node #0,2,0: 55:[60, 59] Operation: 20+39=59 Exploring Operation: 60-20=40, Resulting Numbers: [39, 40] Generated Node #0,2,1: 55:[39, 40] Operation: 60-20=40 Exploring Operation: 39-20=19, Resulting Numbers: [60, 19] Generated Node #0,2,2: 55:[60, 19] Operation: 39-20=19 Exploring Operation: 60/20=3, Resulting Numbers: [39, 3] Generated Node #0,2,3: 55:[39, 3] Operation: 60/20=3 Exploring Operation: 60-39=21, Resulting Numbers: [20, 21] Generated Node #0,2,4: 55:[20, 21] Operation: 60-39=21 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 55:[60, 59], Operations: ['86-47=39', '20+39=59'] Exploring Operation: 60*59=3540, Resulting Numbers: [3540] 3540,55 unequal: No Solution Exploring Operation: 60-59=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 60+59=119, Resulting Numbers: [119] 119,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 55:[60, 19], Operations: ['86-47=39', '39-20=19'] Exploring Operation: 60*19=1140, Resulting Numbers: [1140] 1140,55 unequal: No Solution Exploring Operation: 60+19=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 60-19=41, Resulting Numbers: [41] 41,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 55:[39, 3], Operations: ['86-47=39', '60/20=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,55 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,55 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 39*3=117, Resulting Numbers: [117] 117,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 55:[20, 21], Operations: ['86-47=39', '60-39=21'] Exploring Operation: 20*21=420, Resulting Numbers: [420] 420,55 unequal: No Solution Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 55:[39, 40], Operations: ['86-47=39', '60-20=40'] Exploring Operation: 39*40=1560, Resulting Numbers: [1560] 1560,55 unequal: No Solution Exploring Operation: 40-39=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 39+40=79, Resulting Numbers: [79] 79,55 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: 55:[47, 20, 26], Operations: ['86-60=26'] Exploring Operation: 47+20=67, Resulting Numbers: [26, 67] Generated Node #0,1,0: 55:[26, 67] Operation: 47+20=67 Exploring Operation: 20+26=46, Resulting Numbers: [47, 46] Generated Node #0,1,1: 55:[47, 46] Operation: 20+26=46 Exploring Operation: 26-20=6, Resulting Numbers: [47, 6] Generated Node #0,1,2: 55:[47, 6] Operation: 26-20=6 Exploring Operation: 47+26=73, Resulting Numbers: [20, 73] Generated Node #0,1,3: 55:[20, 73] Operation: 47+26=73 Exploring Operation: 47-26=21, Resulting Numbers: [20, 21] Generated Node #0,1,4: 55:[20, 21] Operation: 47-26=21 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 55:[47, 6], Operations: ['86-60=26', '26-20=6'] Exploring Operation: 47-6=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 47+6=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 47*6=282, Resulting Numbers: [282] 282,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 55:[47, 46], Operations: ['86-60=26', '20+26=46'] Exploring Operation: 47-46=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 47*46=2162, Resulting Numbers: [2162] 2162,55 unequal: No Solution Exploring Operation: 47+46=93, Resulting Numbers: [93] 93,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 55:[20, 21], Operations: ['86-60=26', '47-26=21'] Exploring Operation: 20+21=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 21-20=1, Resulting Numbers: [1] 1,55 unequal: No Solution Exploring Operation: 20*21=420, Resulting Numbers: [420] 420,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 55:[26, 67], Operations: ['86-60=26', '47+20=67'] Exploring Operation: 67-26=41, Resulting Numbers: [41] 41,55 unequal: No Solution Exploring Operation: 26+67=93, Resulting Numbers: [93] 93,55 unequal: No Solution Exploring Operation: 26*67=1742, Resulting Numbers: [1742] 1742,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 55:[20, 73], Operations: ['86-60=26', '47+26=73'] Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,55 unequal: No Solution Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,55 unequal: No Solution Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,55 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: 55:[86, 47, 3], Operations: ['60/20=3'] Exploring Operation: 47-3=44, Resulting Numbers: [86, 44] Generated Node #0,0,0: 55:[86, 44] Operation: 47-3=44 Exploring Operation: 86+3=89, Resulting Numbers: [47, 89] Generated Node #0,0,1: 55:[47, 89] Operation: 86+3=89 Exploring Operation: 47+3=50, Resulting Numbers: [86, 50] Generated Node #0,0,2: 55:[86, 50] Operation: 47+3=50 Exploring Operation: 86-47=39, Resulting Numbers: [3, 39] Generated Node #0,0,3: 55:[3, 39] Operation: 86-47=39 Exploring Operation: 86-3=83, Resulting Numbers: [47, 83] Generated Node #0,0,4: 55:[47, 83] Operation: 86-3=83 Moving to Node #0,0,3 Current State: 55:[3, 39], Operations: ['60/20=3', '86-47=39'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,55 unequal: No Solution Exploring Operation: 3+39=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 3*39=117, Resulting Numbers: [117] 117,55 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,55 unequal: No Solution Moving to Node #0,0,4 Current State: 55:[47, 83], Operations: ['60/20=3', '86-3=83'] Exploring Operation: 47+83=130, Resulting Numbers: [130] 130,55 unequal: No Solution Exploring Operation: 83-47=36, Resulting Numbers: [36] 36,55 unequal: No Solution Exploring Operation: 47*83=3901, Resulting Numbers: [3901] 3901,55 unequal: No Solution Moving to Node #0,0,2 Current State: 55:[86, 50], Operations: ['60/20=3', '47+3=50'] Exploring Operation: 86-50=36, Resulting Numbers: [36] 36,55 unequal: No Solution Exploring Operation: 86*50=4300, Resulting Numbers: [4300] 4300,55 unequal: No Solution Exploring Operation: 86+50=136, Resulting Numbers: [136] 136,55 unequal: No Solution Moving to Node #0,0,0 Current State: 55:[86, 44], Operations: ['60/20=3', '47-3=44'] Exploring Operation: 86-44=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 86*44=3784, Resulting Numbers: [3784] 3784,55 unequal: No Solution Exploring Operation: 86+44=130, Resulting Numbers: [130] 130,55 unequal: No Solution Moving to Node #0,0,1 Current State: 55:[47, 89], Operations: ['60/20=3', '86+3=89'] Exploring Operation: 47+89=136, Resulting Numbers: [136] 136,55 unequal: No Solution Exploring Operation: 89-47=42, Resulting Numbers: [42] 42,55 unequal: No Solution Exploring Operation: 47*89=4183, Resulting Numbers: [4183] 4183,55 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 Current State: 55:[86, 20, 13], Operations: ['60-47=13'] Exploring Operation: 86-20=66, Resulting Numbers: [13, 66] Generated Node #0,3,0: 55:[13, 66] Operation: 86-20=66 Exploring Operation: 86+20=106, Resulting Numbers: [13, 106] Generated Node #0,3,1: 55:[13, 106] Operation: 86+20=106 Exploring Operation: 86+13=99, Resulting Numbers: [20, 99] Generated Node #0,3,2: 55:[20, 99] Operation: 86+13=99 Exploring Operation: 20-13=7, Resulting Numbers: [86, 7] Generated Node #0,3,3: 55:[86, 7] Operation: 20-13=7 Exploring Operation: 86-13=73, Resulting Numbers: [20, 73] Generated Node #0,3,4: 55:[20, 73] Operation: 86-13=73 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 55:[13, 66], Operations: ['60-47=13', '86-20=66'] Exploring Operation: 13+66=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 13*66=858, Resulting Numbers: [858] 858,55 unequal: No Solution Exploring Operation: 66-13=53, Resulting Numbers: [53] 53,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 55:[20, 73], Operations: ['60-47=13', '86-13=73'] Exploring Operation: 73-20=53, Resulting Numbers: [53] 53,55 unequal: No Solution Exploring Operation: 20+73=93, Resulting Numbers: [93] 93,55 unequal: No Solution Exploring Operation: 20*73=1460, Resulting Numbers: [1460] 1460,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 55:[86, 7], Operations: ['60-47=13', '20-13=7'] Exploring Operation: 86-7=79, Resulting Numbers: [79] 79,55 unequal: No Solution Exploring Operation: 86*7=602, Resulting Numbers: [602] 602,55 unequal: No Solution Exploring Operation: 86+7=93, Resulting Numbers: [93] 93,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 55:[13, 106], Operations: ['60-47=13', '86+20=106'] Exploring Operation: 106-13=93, Resulting Numbers: [93] 93,55 unequal: No Solution Exploring Operation: 13+106=119, Resulting Numbers: [119] 119,55 unequal: No Solution Exploring Operation: 13*106=1378, Resulting Numbers: [1378] 1378,55 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 55:[20, 99], Operations: ['60-47=13', '86+13=99'] Exploring Operation: 20+99=119, Resulting Numbers: [119] 119,55 unequal: No Solution Exploring Operation: 20*99=1980, Resulting Numbers: [1980] 1980,55 unequal: No Solution Exploring Operation: 99-20=79, Resulting Numbers: [79] 79,55 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
[ 30, 65, 9, 74 ]
29
[ "65+9=74", "74/74=1", "30-1=29" ]
Current State: 29:[30, 65, 9, 74], Operations: [] Exploring Operation: 65+9=74, Resulting Numbers: [30, 74, 74] Generated Node #2: [30, 74, 74] from Operation: 65+9=74 Current State: 29:[30, 74, 74], Operations: ['65+9=74'] Exploring Operation: 74/74=1, Resulting Numbers: [30, 1] Generated Node #3: [30, 1] from Operation: 74/74=1 Current State: 29:[30, 1], Operations: ['65+9=74', '74/74=1'] Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[30, 65, 9, 74], Operations: [] Exploring Operation: 74-65=9, Resulting Numbers: [30, 9, 9] Generated Node #0,0: 29:[30, 9, 9] Operation: 74-65=9 Exploring Operation: 74-30=44, Resulting Numbers: [65, 9, 44] Generated Node #0,1: 29:[65, 9, 44] Operation: 74-30=44 Exploring Operation: 65-9=56, Resulting Numbers: [30, 74, 56] Generated Node #0,2: 29:[30, 74, 56] Operation: 65-9=56 Exploring Operation: 65-30=35, Resulting Numbers: [9, 74, 35] Generated Node #0,3: 29:[9, 74, 35] Operation: 65-30=35 Start Sub Search at level 1: Moving to Node #0,0 Current State: 29:[30, 9, 9], Operations: ['74-65=9'] Exploring Operation: 30-9=21, Resulting Numbers: [9, 21] Generated Node #0,0,0: 29:[9, 21] Operation: 30-9=21 Exploring Operation: 30-9=21, Resulting Numbers: [9, 21] Generated Node #0,0,1: 29:[9, 21] Operation: 30-9=21 Exploring Operation: 9/9=1, Resulting Numbers: [30, 1] Generated Node #0,0,2: 29:[30, 1] Operation: 9/9=1 Exploring Operation: 9+9=18, Resulting Numbers: [30, 18] Generated Node #0,0,3: 29:[30, 18] Operation: 9+9=18 Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 29:[30, 18], Operations: ['74-65=9', '9+9=18'] Exploring Operation: 30-18=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 30+18=48, Resulting Numbers: [48] 48,29 unequal: No Solution Exploring Operation: 30*18=540, Resulting Numbers: [540] 540,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 29:[9, 21], Operations: ['74-65=9', '30-9=21'] Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,29 unequal: No Solution Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,29 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 29:[9, 21], Operations: ['74-65=9', '30-9=21'] Exploring Operation: 9*21=189, Resulting Numbers: [189] 189,29 unequal: No Solution Exploring Operation: 21-9=12, Resulting Numbers: [12] 12,29 unequal: No Solution Exploring Operation: 9+21=30, Resulting Numbers: [30] 30,29 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 29:[30, 1], Operations: ['74-65=9', '9/9=1'] Exploring Operation: 30+1=31, Resulting Numbers: [31] 31,29 unequal: No Solution Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[30, 65, 9, 74], Operations: [] Exploring Operation: 74-65=9, Resulting Numbers: [30, 9, 9] Generated Node #0,0: 29:[30, 9, 9] Operation: 74-65=9 Moving to Node #0,0 Current State: 29:[30, 9, 9], Operations: ['74-65=9'] Exploring Operation: 9/9=1, Resulting Numbers: [30, 1] Generated Node #0,0,2: 29:[30, 1] Operation: 9/9=1 Moving to Node #0,0,2 Current State: 29:[30, 1], Operations: ['74-65=9', '9/9=1'] Exploring Operation: 30-1=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.980035
hs_4
mult_heuristic
[ 82, 75, 39, 26 ]
92
[ "82+75=157", "39+26=65", "157-65=92" ]
Current State: 92:[82, 75, 39, 26], Operations: [] Exploring Operation: 82+75=157, Resulting Numbers: [39, 26, 157] Generated Node #2: [39, 26, 157] from Operation: 82+75=157 Current State: 92:[39, 26, 157], Operations: ['82+75=157'] Exploring Operation: 39+26=65, Resulting Numbers: [157, 65] Generated Node #3: [157, 65] from Operation: 39+26=65 Current State: 92:[157, 65], Operations: ['82+75=157', '39+26=65'] Exploring Operation: 157-65=92, Resulting Numbers: [92] 92,92 equal: Goal Reached
4
Current State: 92:[82, 75, 39, 26], Operations: [] Exploring Operation: 75-39=36, Resulting Numbers: [82, 26, 36] Generated Node #0,0: 92:[82, 26, 36] Operation: 75-39=36 Exploring Operation: 75-26=49, Resulting Numbers: [82, 39, 49] Generated Node #0,1: 92:[82, 39, 49] Operation: 75-26=49 Exploring Operation: 82-75=7, Resulting Numbers: [39, 26, 7] Generated Node #0,2: 92:[39, 26, 7] Operation: 82-75=7 Exploring Operation: 82-39=43, Resulting Numbers: [75, 26, 43] Generated Node #0,3: 92:[75, 26, 43] Operation: 82-39=43 Exploring Operation: 75+26=101, Resulting Numbers: [82, 39, 101] Generated Node #0,4: 92:[82, 39, 101] Operation: 75+26=101 Start Sub Search at level 1: Moving to Node #0,2 Current State: 92:[39, 26, 7], Operations: ['82-75=7'] Exploring Operation: 39-7=32, Resulting Numbers: [26, 32] Generated Node #0,2,0: 92:[26, 32] Operation: 39-7=32 Exploring Operation: 26-7=19, Resulting Numbers: [39, 19] Generated Node #0,2,1: 92:[39, 19] Operation: 26-7=19 Exploring Operation: 39+7=46, Resulting Numbers: [26, 46] Generated Node #0,2,2: 92:[26, 46] Operation: 39+7=46 Exploring Operation: 39-26=13, Resulting Numbers: [7, 13] Generated Node #0,2,3: 92:[7, 13] Operation: 39-26=13 Exploring Operation: 26+7=33, Resulting Numbers: [39, 33] Generated Node #0,2,4: 92:[39, 33] Operation: 26+7=33 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 92:[26, 46], Operations: ['82-75=7', '39+7=46'] Exploring Operation: 26+46=72, Resulting Numbers: [72] 72,92 unequal: No Solution Exploring Operation: 26*46=1196, Resulting Numbers: [1196] 1196,92 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,92 unequal: No Solution No 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: 92:[39, 19], Operations: ['82-75=7', '26-7=19'] Exploring Operation: 39+19=58, Resulting Numbers: [58] 58,92 unequal: No Solution Exploring Operation: 39*19=741, Resulting Numbers: [741] 741,92 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,92 unequal: No Solution No 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: 92:[26, 32], Operations: ['82-75=7', '39-7=32'] Exploring Operation: 26*32=832, Resulting Numbers: [832] 832,92 unequal: No Solution Exploring Operation: 32-26=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 26+32=58, Resulting Numbers: [58] 58,92 unequal: No Solution No 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: 92:[7, 13], Operations: ['82-75=7', '39-26=13'] Exploring Operation: 7*13=91, Resulting Numbers: [91] 91,92 unequal: No Solution Exploring Operation: 7+13=20, Resulting Numbers: [20] 20,92 unequal: No Solution Exploring Operation: 13-7=6, Resulting Numbers: [6] 6,92 unequal: No Solution No 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: 92:[39, 33], Operations: ['82-75=7', '26+7=33'] Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,92 unequal: No Solution Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,92 unequal: No Solution Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,92 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: 92:[82, 39, 49], Operations: ['75-26=49'] Exploring Operation: 39+49=88, Resulting Numbers: [82, 88] Generated Node #0,1,0: 92:[82, 88] Operation: 39+49=88 Exploring Operation: 49-39=10, Resulting Numbers: [82, 10] Generated Node #0,1,1: 92:[82, 10] Operation: 49-39=10 Exploring Operation: 82-49=33, Resulting Numbers: [39, 33] Generated Node #0,1,2: 92:[39, 33] Operation: 82-49=33 Exploring Operation: 82-39=43, Resulting Numbers: [49, 43] Generated Node #0,1,3: 92:[49, 43] Operation: 82-39=43 Exploring Operation: 82+39=121, Resulting Numbers: [49, 121] Generated Node #0,1,4: 92:[49, 121] Operation: 82+39=121 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 92:[49, 43], Operations: ['75-26=49', '82-39=43'] Exploring Operation: 49-43=6, Resulting Numbers: [6] 6,92 unequal: No Solution Exploring Operation: 49*43=2107, Resulting Numbers: [2107] 2107,92 unequal: No Solution Exploring Operation: 49+43=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Moving to Node #0 Current State: 92:[82, 75, 39, 26], Operations: [] Exploring Operation: 75-26=49, Resulting Numbers: [82, 39, 49] Generated Node #0,1: 92:[82, 39, 49] Operation: 75-26=49 Moving to Node #0,1 Current State: 92:[82, 39, 49], Operations: ['75-26=49'] Exploring Operation: 82-39=43, Resulting Numbers: [49, 43] Generated Node #0,1,3: 92:[49, 43] Operation: 82-39=43 Moving to Node #0,1,3 Current State: 92:[49, 43], Operations: ['75-26=49', '82-39=43'] Exploring Operation: 49+43=92, Resulting Numbers: [92] 92,92 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967882
hs_5
sum_heuristic
[ 85, 67, 43, 97 ]
36
[ "85-67=18", "97-43=54", "54-18=36" ]
Current State: 36:[85, 67, 43, 97], Operations: [] Exploring Operation: 85-67=18, Resulting Numbers: [43, 97, 18] Generated Node #2: [43, 97, 18] from Operation: 85-67=18 Current State: 36:[43, 97, 18], Operations: ['85-67=18'] Exploring Operation: 97-43=54, Resulting Numbers: [18, 54] Generated Node #3: [18, 54] from Operation: 97-43=54 Current State: 36:[18, 54], Operations: ['85-67=18', '97-43=54'] Exploring Operation: 54-18=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
4
Current State: 36:[85, 67, 43, 97], Operations: [] Exploring Operation: 97-67=30, Resulting Numbers: [85, 43, 30] Generated Node #0,0: 36:[85, 43, 30] Operation: 97-67=30 Exploring Operation: 97-85=12, Resulting Numbers: [67, 43, 12] Generated Node #0,1: 36:[67, 43, 12] Operation: 97-85=12 Moving to Node #0,1 Current State: 36:[67, 43, 12], Operations: ['97-85=12'] Exploring Operation: 67-43=24, Resulting Numbers: [12, 24] Generated Node #0,1,0: 36:[12, 24] Operation: 67-43=24 Exploring Operation: 67-12=55, Resulting Numbers: [43, 55] Generated Node #0,1,1: 36:[43, 55] Operation: 67-12=55 Moving to Node #0,0 Current State: 36:[85, 43, 30], Operations: ['97-67=30'] Exploring Operation: 85-30=55, Resulting Numbers: [43, 55] Generated Node #0,0,0: 36:[43, 55] Operation: 85-30=55 Exploring Operation: 85-43=42, Resulting Numbers: [30, 42] Generated Node #0,0,1: 36:[30, 42] Operation: 85-43=42 Moving to Node #0,1,0 Current State: 36:[12, 24], Operations: ['97-85=12', '67-43=24'] Exploring Operation: 24-12=12, Resulting Numbers: [12] 12,36 unequal: No Solution Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached Moving to Node #0 Current State: 36:[85, 67, 43, 97], Operations: [] Exploring Operation: 97-85=12, Resulting Numbers: [67, 43, 12] Generated Node #0,1: 36:[67, 43, 12] Operation: 97-85=12 Moving to Node #0,1 Current State: 36:[67, 43, 12], Operations: ['97-85=12'] Exploring Operation: 67-43=24, Resulting Numbers: [12, 24] Generated Node #0,1,0: 36:[12, 24] Operation: 67-43=24 Moving to Node #0,1,0 Current State: 36:[12, 24], Operations: ['97-85=12', '67-43=24'] Exploring Operation: 12+24=36, Resulting Numbers: [36] 36,36 equal: Goal Reached
0.989583
hs_2
mult_heuristic
[ 6, 44, 17, 72 ]
93
[ "44-6=38", "72-17=55", "38+55=93" ]
Current State: 93:[6, 44, 17, 72], Operations: [] Exploring Operation: 44-6=38, Resulting Numbers: [17, 72, 38] Generated Node #2: [17, 72, 38] from Operation: 44-6=38 Current State: 93:[17, 72, 38], Operations: ['44-6=38'] Exploring Operation: 72-17=55, Resulting Numbers: [38, 55] Generated Node #3: [38, 55] from Operation: 72-17=55 Current State: 93:[38, 55], Operations: ['44-6=38', '72-17=55'] Exploring Operation: 38+55=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[6, 44, 17, 72], Operations: [] Exploring Operation: 17+72=89, Resulting Numbers: [6, 44, 89] Generated Node #0,0: 93:[6, 44, 89] Operation: 17+72=89 Exploring Operation: 72-44=28, Resulting Numbers: [6, 17, 28] Generated Node #0,1: 93:[6, 17, 28] Operation: 72-44=28 Exploring Operation: 44-17=27, Resulting Numbers: [6, 72, 27] Generated Node #0,2: 93:[6, 72, 27] Operation: 44-17=27 Exploring Operation: 72/6=12, Resulting Numbers: [44, 17, 12] Generated Node #0,3: 93:[44, 17, 12] Operation: 72/6=12 Exploring Operation: 44+72=116, Resulting Numbers: [6, 17, 116] Generated Node #0,4: 93:[6, 17, 116] Operation: 44+72=116 Start Sub Search at level 1: Moving to Node #0,0 Current State: 93:[6, 44, 89], Operations: ['17+72=89'] Exploring Operation: 89-6=83, Resulting Numbers: [44, 83] Generated Node #0,0,0: 93:[44, 83] Operation: 89-6=83 Exploring Operation: 44-6=38, Resulting Numbers: [89, 38] Generated Node #0,0,1: 93:[89, 38] Operation: 44-6=38 Exploring Operation: 6+89=95, Resulting Numbers: [44, 95] Generated Node #0,0,2: 93:[44, 95] Operation: 6+89=95 Exploring Operation: 89-44=45, Resulting Numbers: [6, 45] Generated Node #0,0,3: 93:[6, 45] Operation: 89-44=45 Exploring Operation: 6+44=50, Resulting Numbers: [89, 50] Generated Node #0,0,4: 93:[89, 50] Operation: 6+44=50 Moving to Node #0,0,1 Current State: 93:[89, 38], Operations: ['17+72=89', '44-6=38'] Exploring Operation: 89+38=127, Resulting Numbers: [127] 127,93 unequal: No Solution Exploring Operation: 89*38=3382, Resulting Numbers: [3382] 3382,93 unequal: No Solution Exploring Operation: 89-38=51, Resulting Numbers: [51] 51,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[44, 95], Operations: ['17+72=89', '6+89=95'] Exploring Operation: 95-44=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 44*95=4180, Resulting Numbers: [4180] 4180,93 unequal: No Solution Exploring Operation: 44+95=139, Resulting Numbers: [139] 139,93 unequal: No Solution Moving to Node #0,0,3 Current State: 93:[6, 45], Operations: ['17+72=89', '89-44=45'] Exploring Operation: 6*45=270, Resulting Numbers: [270] 270,93 unequal: No Solution Exploring Operation: 45-6=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 6+45=51, Resulting Numbers: [51] 51,93 unequal: No Solution Moving to Node #0,0,0 Current State: 93:[44, 83], Operations: ['17+72=89', '89-6=83'] Exploring Operation: 44+83=127, Resulting Numbers: [127] 127,93 unequal: No Solution Exploring Operation: 44*83=3652, Resulting Numbers: [3652] 3652,93 unequal: No Solution Exploring Operation: 83-44=39, Resulting Numbers: [39] 39,93 unequal: No Solution Moving to Node #0,0,4 Current State: 93:[89, 50], Operations: ['17+72=89', '6+44=50'] Exploring Operation: 89-50=39, Resulting Numbers: [39] 39,93 unequal: No Solution Exploring Operation: 89*50=4450, Resulting Numbers: [4450] 4450,93 unequal: No Solution Exploring Operation: 89+50=139, Resulting Numbers: [139] 139,93 unequal: No Solution No 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: 93:[6, 17, 28], Operations: ['72-44=28'] Exploring Operation: 28-17=11, Resulting Numbers: [6, 11] Generated Node #0,1,0: 93:[6, 11] Operation: 28-17=11 Exploring Operation: 6+17=23, Resulting Numbers: [28, 23] Generated Node #0,1,1: 93:[28, 23] Operation: 6+17=23 Exploring Operation: 17-6=11, Resulting Numbers: [28, 11] Generated Node #0,1,2: 93:[28, 11] Operation: 17-6=11 Exploring Operation: 6*17=102, Resulting Numbers: [28, 102] Generated Node #0,1,3: 93:[28, 102] Operation: 6*17=102 Exploring Operation: 6+28=34, Resulting Numbers: [17, 34] Generated Node #0,1,4: 93:[17, 34] Operation: 6+28=34 Moving to Node #0,1,0 Current State: 93:[6, 11], Operations: ['72-44=28', '28-17=11'] Exploring Operation: 6+11=17, Resulting Numbers: [17] 17,93 unequal: No Solution Exploring Operation: 11-6=5, Resulting Numbers: [5] 5,93 unequal: No Solution Exploring Operation: 6*11=66, Resulting Numbers: [66] 66,93 unequal: No Solution Moving to Node #0,1,2 Current State: 93:[28, 11], Operations: ['72-44=28', '17-6=11'] Exploring Operation: 28*11=308, Resulting Numbers: [308] 308,93 unequal: No Solution Exploring Operation: 28-11=17, Resulting Numbers: [17] 17,93 unequal: No Solution Exploring Operation: 28+11=39, Resulting Numbers: [39] 39,93 unequal: No Solution Moving to Node #0,1,1 Current State: 93:[28, 23], Operations: ['72-44=28', '6+17=23'] Exploring Operation: 28+23=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 28*23=644, Resulting Numbers: [644] 644,93 unequal: No Solution Exploring Operation: 28-23=5, Resulting Numbers: [5] 5,93 unequal: No Solution Moving to Node #0,1,3 Current State: 93:[28, 102], Operations: ['72-44=28', '6*17=102'] Exploring Operation: 28*102=2856, Resulting Numbers: [2856] 2856,93 unequal: No Solution Exploring Operation: 28+102=130, Resulting Numbers: [130] 130,93 unequal: No Solution Exploring Operation: 102-28=74, Resulting Numbers: [74] 74,93 unequal: No Solution Moving to Node #0,1,4 Current State: 93:[17, 34], Operations: ['72-44=28', '6+28=34'] Exploring Operation: 34-17=17, Resulting Numbers: [17] 17,93 unequal: No Solution Exploring Operation: 17+34=51, Resulting Numbers: [51] 51,93 unequal: No Solution Exploring Operation: 17*34=578, Resulting Numbers: [578] 578,93 unequal: No Solution Exploring Operation: 34/17=2, Resulting Numbers: [2] 2,93 unequal: No Solution No 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: 93:[6, 72, 27], Operations: ['44-17=27'] Exploring Operation: 6+72=78, Resulting Numbers: [27, 78] Generated Node #0,2,0: 93:[27, 78] Operation: 6+72=78 Exploring Operation: 72-27=45, Resulting Numbers: [6, 45] Generated Node #0,2,1: 93:[6, 45] Operation: 72-27=45 Exploring Operation: 72/6=12, Resulting Numbers: [27, 12] Generated Node #0,2,2: 93:[27, 12] Operation: 72/6=12 Exploring Operation: 72+27=99, Resulting Numbers: [6, 99] Generated Node #0,2,3: 93:[6, 99] Operation: 72+27=99 Exploring Operation: 6+27=33, Resulting Numbers: [72, 33] Generated Node #0,2,4: 93:[72, 33] Operation: 6+27=33 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 93:[6, 99], Operations: ['44-17=27', '72+27=99'] Exploring Operation: 6+99=105, Resulting Numbers: [105] 105,93 unequal: No Solution Exploring Operation: 6*99=594, Resulting Numbers: [594] 594,93 unequal: No Solution Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[6, 44, 17, 72], Operations: [] Exploring Operation: 44-17=27, Resulting Numbers: [6, 72, 27] Generated Node #0,2: 93:[6, 72, 27] Operation: 44-17=27 Moving to Node #0,2 Current State: 93:[6, 72, 27], Operations: ['44-17=27'] Exploring Operation: 72+27=99, Resulting Numbers: [6, 99] Generated Node #0,2,3: 93:[6, 99] Operation: 72+27=99 Moving to Node #0,2,3 Current State: 93:[6, 99], Operations: ['44-17=27', '72+27=99'] Exploring Operation: 99-6=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.949653
hs_5
sum_heuristic
[ 66, 68, 2, 50 ]
98
[ "68-66=2", "2*50=100", "100-2=98" ]
Current State: 98:[66, 68, 2, 50], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [2, 50, 2] Generated Node #2: [2, 50, 2] from Operation: 68-66=2 Current State: 98:[2, 50, 2], Operations: ['68-66=2'] Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,98 equal: Goal Reached Exploring Operation: 100-2=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[66, 68, 2, 50], Operations: [] Exploring Operation: 68-66=2, Resulting Numbers: [2, 50, 2] Generated Node #0,0: 98:[2, 50, 2] Operation: 68-66=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 98:[2, 50, 2], Operations: ['68-66=2'] Exploring Operation: 50-2=48, Resulting Numbers: [2, 48] Generated Node #0,0,0: 98:[2, 48] Operation: 50-2=48 Moving to Node #0,0,0 Current State: 98:[2, 48], Operations: ['68-66=2', '50-2=48'] Exploring Operation: 2+48=50, Resulting Numbers: [50] 50,98 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
[ 84, 1, 44, 21 ]
49
[ "84/21=4", "1+44=45", "4+45=49" ]
Current State: 49:[84, 1, 44, 21], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [1, 44, 4] Generated Node #2: [1, 44, 4] from Operation: 84/21=4 Current State: 49:[1, 44, 4], Operations: ['84/21=4'] Exploring Operation: 1+44=45, Resulting Numbers: [4, 45] Generated Node #3: [4, 45] from Operation: 1+44=45 Current State: 49:[4, 45], Operations: ['84/21=4', '1+44=45'] Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[84, 1, 44, 21], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [1, 44, 4] Generated Node #0,0: 49:[1, 44, 4] Operation: 84/21=4 Exploring Operation: 84-21=63, Resulting Numbers: [1, 44, 63] Generated Node #0,1: 49:[1, 44, 63] Operation: 84-21=63 Moving to Node #0,0 Current State: 49:[1, 44, 4], Operations: ['84/21=4'] Exploring Operation: 1+44=45, Resulting Numbers: [4, 45] Generated Node #0,0,0: 49:[4, 45] Operation: 1+44=45 Exploring Operation: 1+4=5, Resulting Numbers: [44, 5] Generated Node #0,0,1: 49:[44, 5] Operation: 1+4=5 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 49:[4, 45], Operations: ['84/21=4', '1+44=45'] Exploring Operation: 45-4=41, Resulting Numbers: [41] 41,49 unequal: No Solution Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[84, 1, 44, 21], Operations: [] Exploring Operation: 84/21=4, Resulting Numbers: [1, 44, 4] Generated Node #0,0: 49:[1, 44, 4] Operation: 84/21=4 Moving to Node #0,0 Current State: 49:[1, 44, 4], Operations: ['84/21=4'] Exploring Operation: 1+44=45, Resulting Numbers: [4, 45] Generated Node #0,0,0: 49:[4, 45] Operation: 1+44=45 Moving to Node #0,0,0 Current State: 49:[4, 45], Operations: ['84/21=4', '1+44=45'] Exploring Operation: 4+45=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 69, 22, 63, 8 ]
24
[ "69-22=47", "63+8=71", "71-47=24" ]
Current State: 24:[69, 22, 63, 8], Operations: [] Exploring Operation: 69-22=47, Resulting Numbers: [63, 8, 47] Generated Node #2: [63, 8, 47] from Operation: 69-22=47 Current State: 24:[63, 8, 47], Operations: ['69-22=47'] Exploring Operation: 63+8=71, Resulting Numbers: [47, 71] Generated Node #3: [47, 71] from Operation: 63+8=71 Current State: 24:[47, 71], Operations: ['69-22=47', '63+8=71'] Exploring Operation: 71-47=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[69, 22, 63, 8], Operations: [] Exploring Operation: 69-22=47, Resulting Numbers: [63, 8, 47] Generated Node #0,0: 24:[63, 8, 47] Operation: 69-22=47 Exploring Operation: 69-63=6, Resulting Numbers: [22, 8, 6] Generated Node #0,1: 24:[22, 8, 6] Operation: 69-63=6 Exploring Operation: 63-22=41, Resulting Numbers: [69, 8, 41] Generated Node #0,2: 24:[69, 8, 41] Operation: 63-22=41 Exploring Operation: 69-8=61, Resulting Numbers: [22, 63, 61] Generated Node #0,3: 24:[22, 63, 61] Operation: 69-8=61 Moving to Node #0,1 Current State: 24:[22, 8, 6], Operations: ['69-63=6'] Exploring Operation: 8-6=2, Resulting Numbers: [22, 2] Generated Node #0,1,0: 24:[22, 2] Operation: 8-6=2 Exploring Operation: 22-6=16, Resulting Numbers: [8, 16] Generated Node #0,1,1: 24:[8, 16] Operation: 22-6=16 Exploring Operation: 22+6=28, Resulting Numbers: [8, 28] Generated Node #0,1,2: 24:[8, 28] Operation: 22+6=28 Exploring Operation: 22-8=14, Resulting Numbers: [6, 14] Generated Node #0,1,3: 24:[6, 14] Operation: 22-8=14 Moving to Node #0,2 Current State: 24:[69, 8, 41], Operations: ['63-22=41'] Exploring Operation: 69-8=61, Resulting Numbers: [41, 61] Generated Node #0,2,0: 24:[41, 61] Operation: 69-8=61 Exploring Operation: 69-41=28, Resulting Numbers: [8, 28] Generated Node #0,2,1: 24:[8, 28] Operation: 69-41=28 Exploring Operation: 69+8=77, Resulting Numbers: [41, 77] Generated Node #0,2,2: 24:[41, 77] Operation: 69+8=77 Exploring Operation: 41-8=33, Resulting Numbers: [69, 33] Generated Node #0,2,3: 24:[69, 33] Operation: 41-8=33 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 24:[8, 28], Operations: ['63-22=41', '69-41=28'] Exploring Operation: 28-8=20, Resulting Numbers: [20] 20,24 unequal: No Solution Exploring Operation: 8+28=36, Resulting Numbers: [36] 36,24 unequal: No Solution Exploring Operation: 8*28=224, Resulting Numbers: [224] 224,24 unequal: No Solution No 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: 24:[41, 61], Operations: ['63-22=41', '69-8=61'] Exploring Operation: 41+61=102, Resulting Numbers: [102] 102,24 unequal: No Solution Exploring Operation: 61-41=20, Resulting Numbers: [20] 20,24 unequal: No Solution Exploring Operation: 41*61=2501, Resulting Numbers: [2501] 2501,24 unequal: No Solution No 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: 24:[69, 33], Operations: ['63-22=41', '41-8=33'] Exploring Operation: 69+33=102, Resulting Numbers: [102] 102,24 unequal: No Solution Exploring Operation: 69-33=36, Resulting Numbers: [36] 36,24 unequal: No Solution Exploring Operation: 69*33=2277, Resulting Numbers: [2277] 2277,24 unequal: No Solution No 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: 24:[41, 77], Operations: ['63-22=41', '69+8=77'] Exploring Operation: 77-41=36, Resulting Numbers: [36] 36,24 unequal: No Solution Exploring Operation: 41+77=118, Resulting Numbers: [118] 118,24 unequal: No Solution Exploring Operation: 41*77=3157, Resulting Numbers: [3157] 3157,24 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: 24:[63, 8, 47], Operations: ['69-22=47'] Exploring Operation: 63+8=71, Resulting Numbers: [47, 71] Generated Node #0,0,0: 24:[47, 71] Operation: 63+8=71 Exploring Operation: 63-8=55, Resulting Numbers: [47, 55] Generated Node #0,0,1: 24:[47, 55] Operation: 63-8=55 Exploring Operation: 63-47=16, Resulting Numbers: [8, 16] Generated Node #0,0,2: 24:[8, 16] Operation: 63-47=16 Exploring Operation: 47-8=39, Resulting Numbers: [63, 39] Generated Node #0,0,3: 24:[63, 39] Operation: 47-8=39 Moving to Node #0,3 Current State: 24:[22, 63, 61], Operations: ['69-8=61'] Exploring Operation: 63-61=2, Resulting Numbers: [22, 2] Generated Node #0,3,0: 24:[22, 2] Operation: 63-61=2 Exploring Operation: 61-22=39, Resulting Numbers: [63, 39] Generated Node #0,3,1: 24:[63, 39] Operation: 61-22=39 Exploring Operation: 63-22=41, Resulting Numbers: [61, 41] Generated Node #0,3,2: 24:[61, 41] Operation: 63-22=41 Exploring Operation: 22+63=85, Resulting Numbers: [61, 85] Generated Node #0,3,3: 24:[61, 85] Operation: 22+63=85 Moving to Node #0,1,0 Current State: 24:[22, 2], Operations: ['69-63=6', '8-6=2'] Exploring Operation: 22*2=44, Resulting Numbers: [44] 44,24 unequal: No Solution Exploring Operation: 22/2=11, Resulting Numbers: [11] 11,24 unequal: No Solution Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[69, 22, 63, 8], Operations: [] Exploring Operation: 69-63=6, Resulting Numbers: [22, 8, 6] Generated Node #0,1: 24:[22, 8, 6] Operation: 69-63=6 Moving to Node #0,1 Current State: 24:[22, 8, 6], Operations: ['69-63=6'] Exploring Operation: 8-6=2, Resulting Numbers: [22, 2] Generated Node #0,1,0: 24:[22, 2] Operation: 8-6=2 Moving to Node #0,1,0 Current State: 24:[22, 2], Operations: ['69-63=6', '8-6=2'] Exploring Operation: 22+2=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
0.966146
hs_4
sum_heuristic
[ 66, 29, 50, 76 ]
72
[ "66+50=116", "116/29=4", "76-4=72" ]
Current State: 72:[66, 29, 50, 76], Operations: [] Exploring Operation: 66+50=116, Resulting Numbers: [29, 76, 116] Generated Node #2: [29, 76, 116] from Operation: 66+50=116 Current State: 72:[29, 76, 116], Operations: ['66+50=116'] Exploring Operation: 116/29=4, Resulting Numbers: [76, 4] Generated Node #3: [76, 4] from Operation: 116/29=4 Current State: 72:[76, 4], Operations: ['66+50=116', '116/29=4'] Exploring Operation: 76-4=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[66, 29, 50, 76], Operations: [] Exploring Operation: 50-29=21, Resulting Numbers: [66, 76, 21] Generated Node #0,0: 72:[66, 76, 21] Operation: 50-29=21 Exploring Operation: 66-50=16, Resulting Numbers: [29, 76, 16] Generated Node #0,1: 72:[29, 76, 16] Operation: 66-50=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 72:[29, 76, 16], Operations: ['66-50=16'] Exploring Operation: 29-16=13, Resulting Numbers: [76, 13] Generated Node #0,1,0: 72:[76, 13] Operation: 29-16=13 Exploring Operation: 76-29=47, Resulting Numbers: [16, 47] Generated Node #0,1,1: 72:[16, 47] Operation: 76-29=47 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 72:[76, 13], Operations: ['66-50=16', '29-16=13'] Exploring Operation: 76-13=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 76+13=89, Resulting Numbers: [89] 89,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 72:[16, 47], Operations: ['66-50=16', '76-29=47'] Exploring Operation: 16+47=63, Resulting Numbers: [63] 63,72 unequal: No Solution Exploring Operation: 47-16=31, Resulting Numbers: [31] 31,72 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[66, 76, 21], Operations: ['50-29=21'] Exploring Operation: 76-66=10, Resulting Numbers: [21, 10] Generated Node #0,0,0: 72:[21, 10] Operation: 76-66=10 Exploring Operation: 66-21=45, Resulting Numbers: [76, 45] Generated Node #0,0,1: 72:[76, 45] Operation: 66-21=45 Moving to Node #0,0,0 Current State: 72:[21, 10], Operations: ['50-29=21', '76-66=10'] Exploring Operation: 21+10=31, Resulting Numbers: [31] 31,72 unequal: No Solution Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,72 unequal: No Solution Moving to Node #0,0,1 Current State: 72:[76, 45], Operations: ['50-29=21', '66-21=45'] Exploring Operation: 76-45=31, Resulting Numbers: [31] 31,72 unequal: No Solution Exploring Operation: 76+45=121, Resulting Numbers: [121] 121,72 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 1, 29, 28, 12 ]
10
[ "1+29=30", "28+12=40", "40-30=10" ]
Current State: 10:[1, 29, 28, 12], Operations: [] Exploring Operation: 1+29=30, Resulting Numbers: [28, 12, 30] Generated Node #2: [28, 12, 30] from Operation: 1+29=30 Current State: 10:[28, 12, 30], Operations: ['1+29=30'] Exploring Operation: 28+12=40, Resulting Numbers: [30, 40] Generated Node #3: [30, 40] from Operation: 28+12=40 Current State: 10:[30, 40], Operations: ['1+29=30', '28+12=40'] Exploring Operation: 40-30=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[1, 29, 28, 12], Operations: [] Exploring Operation: 29-28=1, Resulting Numbers: [1, 12, 1] Generated Node #0,0: 10:[1, 12, 1] Operation: 29-28=1 Exploring Operation: 28-12=16, Resulting Numbers: [1, 29, 16] Generated Node #0,1: 10:[1, 29, 16] Operation: 28-12=16 Exploring Operation: 29-12=17, Resulting Numbers: [1, 28, 17] Generated Node #0,2: 10:[1, 28, 17] Operation: 29-12=17 Start Sub Search at level 1: Moving to Node #0,0 Current State: 10:[1, 12, 1], Operations: ['29-28=1'] Exploring Operation: 1+1=2, Resulting Numbers: [12, 2] Generated Node #0,0,0: 10:[12, 2] Operation: 1+1=2 Exploring Operation: 12-1=11, Resulting Numbers: [1, 11] Generated Node #0,0,1: 10:[1, 11] Operation: 12-1=11 Exploring Operation: 12-1=11, Resulting Numbers: [1, 11] Generated Node #0,0,2: 10:[1, 11] Operation: 12-1=11 Moving to Node #0,0,0 Current State: 10:[12, 2], Operations: ['29-28=1', '1+1=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[1, 29, 28, 12], Operations: [] Exploring Operation: 29-28=1, Resulting Numbers: [1, 12, 1] Generated Node #0,0: 10:[1, 12, 1] Operation: 29-28=1 Moving to Node #0,0 Current State: 10:[1, 12, 1], Operations: ['29-28=1'] Exploring Operation: 1+1=2, Resulting Numbers: [12, 2] Generated Node #0,0,0: 10:[12, 2] Operation: 1+1=2 Moving to Node #0,0,0 Current State: 10:[12, 2], Operations: ['29-28=1', '1+1=2'] Exploring Operation: 12-2=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
mult_heuristic
[ 5, 42, 70, 2 ]
84
[ "5-2=3", "70-42=28", "3*28=84" ]
Current State: 84:[5, 42, 70, 2], Operations: [] Exploring Operation: 5-2=3, Resulting Numbers: [42, 70, 3] Generated Node #2: [42, 70, 3] from Operation: 5-2=3 Current State: 84:[42, 70, 3], Operations: ['5-2=3'] Exploring Operation: 70-42=28, Resulting Numbers: [3, 28] Generated Node #3: [3, 28] from Operation: 70-42=28 Current State: 84:[3, 28], Operations: ['5-2=3', '70-42=28'] Exploring Operation: 3*28=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[5, 42, 70, 2], Operations: [] Exploring Operation: 70-42=28, Resulting Numbers: [5, 2, 28] Generated Node #0,0: 84:[5, 2, 28] Operation: 70-42=28 Exploring Operation: 70/5=14, Resulting Numbers: [42, 2, 14] Generated Node #0,1: 84:[42, 2, 14] Operation: 70/5=14 Moving to Node #0,1 Current State: 84:[42, 2, 14], Operations: ['70/5=14'] Exploring Operation: 42*2=84, Resulting Numbers: [14, 84] Generated Node #0,1,0: 84:[14, 84] Operation: 42*2=84 Exploring Operation: 42/2=21, Resulting Numbers: [14, 21] Generated Node #0,1,1: 84:[14, 21] Operation: 42/2=21 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 84:[14, 84], Operations: ['70/5=14', '42*2=84'] Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 14+84=98, Resulting Numbers: [98] 98,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 84:[14, 21], Operations: ['70/5=14', '42/2=21'] Exploring Operation: 21-14=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 14+21=35, Resulting Numbers: [35] 35,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 84:[5, 2, 28], Operations: ['70-42=28'] Exploring Operation: 5+2=7, Resulting Numbers: [28, 7] Generated Node #0,0,0: 84:[28, 7] Operation: 5+2=7 Exploring Operation: 5-2=3, Resulting Numbers: [28, 3] Generated Node #0,0,1: 84:[28, 3] Operation: 5-2=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[28, 7], Operations: ['70-42=28', '5+2=7'] Exploring Operation: 28-7=21, Resulting Numbers: [21] 21,84 unequal: No Solution Exploring Operation: 28/7=4, Resulting Numbers: [4] 4,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[28, 3], Operations: ['70-42=28', '5-2=3'] Exploring Operation: 28+3=31, Resulting Numbers: [31] 31,84 unequal: No Solution Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[5, 42, 70, 2], Operations: [] Exploring Operation: 70-42=28, Resulting Numbers: [5, 2, 28] Generated Node #0,0: 84:[5, 2, 28] Operation: 70-42=28 Moving to Node #0,0 Current State: 84:[5, 2, 28], Operations: ['70-42=28'] Exploring Operation: 5-2=3, Resulting Numbers: [28, 3] Generated Node #0,0,1: 84:[28, 3] Operation: 5-2=3 Moving to Node #0,0,1 Current State: 84:[28, 3], Operations: ['70-42=28', '5-2=3'] Exploring Operation: 28*3=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_2
sum_heuristic
[ 91, 9, 50, 2 ]
63
[ "9-2=7", "91/7=13", "50+13=63" ]
Current State: 63:[91, 9, 50, 2], Operations: [] Exploring Operation: 9-2=7, Resulting Numbers: [91, 50, 7] Generated Node #2: [91, 50, 7] from Operation: 9-2=7 Current State: 63:[91, 50, 7], Operations: ['9-2=7'] Exploring Operation: 91/7=13, Resulting Numbers: [50, 13] Generated Node #3: [50, 13] from Operation: 91/7=13 Current State: 63:[50, 13], Operations: ['9-2=7', '91/7=13'] Exploring Operation: 50+13=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[91, 9, 50, 2], Operations: [] Exploring Operation: 91-50=41, Resulting Numbers: [9, 2, 41] Generated Node #0,0: 63:[9, 2, 41] Operation: 91-50=41 Exploring Operation: 50/2=25, Resulting Numbers: [91, 9, 25] Generated Node #0,1: 63:[91, 9, 25] Operation: 50/2=25 Exploring Operation: 9+50=59, Resulting Numbers: [91, 2, 59] Generated Node #0,2: 63:[91, 2, 59] Operation: 9+50=59 Exploring Operation: 91-9=82, Resulting Numbers: [50, 2, 82] Generated Node #0,3: 63:[50, 2, 82] Operation: 91-9=82 Moving to Node #0,0 Current State: 63:[9, 2, 41], Operations: ['91-50=41'] Exploring Operation: 2*41=82, Resulting Numbers: [9, 82] Generated Node #0,0,0: 63:[9, 82] Operation: 2*41=82 Exploring Operation: 9+41=50, Resulting Numbers: [2, 50] Generated Node #0,0,1: 63:[2, 50] Operation: 9+41=50 Exploring Operation: 41-9=32, Resulting Numbers: [2, 32] Generated Node #0,0,2: 63:[2, 32] Operation: 41-9=32 Exploring Operation: 41-2=39, Resulting Numbers: [9, 39] Generated Node #0,0,3: 63:[9, 39] Operation: 41-2=39 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 63:[2, 32], Operations: ['91-50=41', '41-9=32'] Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,63 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[2, 50], Operations: ['91-50=41', '9+41=50'] Exploring Operation: 2*50=100, Resulting Numbers: [100] 100,63 unequal: No Solution Exploring Operation: 2+50=52, Resulting Numbers: [52] 52,63 unequal: No Solution Exploring Operation: 50/2=25, Resulting Numbers: [25] 25,63 unequal: No Solution Exploring Operation: 50-2=48, Resulting Numbers: [48] 48,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 63:[9, 39], Operations: ['91-50=41', '41-2=39'] Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,63 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 63:[9, 82], Operations: ['91-50=41', '2*41=82'] Exploring Operation: 9*82=738, Resulting Numbers: [738] 738,63 unequal: No Solution Exploring Operation: 82-9=73, Resulting Numbers: [73] 73,63 unequal: No Solution Exploring Operation: 9+82=91, Resulting Numbers: [91] 91,63 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: 63:[91, 9, 25], Operations: ['50/2=25'] Exploring Operation: 25-9=16, Resulting Numbers: [91, 16] Generated Node #0,1,0: 63:[91, 16] Operation: 25-9=16 Exploring Operation: 91+9=100, Resulting Numbers: [25, 100] Generated Node #0,1,1: 63:[25, 100] Operation: 91+9=100 Exploring Operation: 91-25=66, Resulting Numbers: [9, 66] Generated Node #0,1,2: 63:[9, 66] Operation: 91-25=66 Exploring Operation: 91-9=82, Resulting Numbers: [25, 82] Generated Node #0,1,3: 63:[25, 82] Operation: 91-9=82 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 63:[9, 66], Operations: ['50/2=25', '91-25=66'] Exploring Operation: 9*66=594, Resulting Numbers: [594] 594,63 unequal: No Solution Exploring Operation: 9+66=75, Resulting Numbers: [75] 75,63 unequal: No Solution Exploring Operation: 66-9=57, Resulting Numbers: [57] 57,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[25, 82], Operations: ['50/2=25', '91-9=82'] Exploring Operation: 25*82=2050, Resulting Numbers: [2050] 2050,63 unequal: No Solution Exploring Operation: 82-25=57, Resulting Numbers: [57] 57,63 unequal: No Solution Exploring Operation: 25+82=107, Resulting Numbers: [107] 107,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 63:[91, 16], Operations: ['50/2=25', '25-9=16'] Exploring Operation: 91-16=75, Resulting Numbers: [75] 75,63 unequal: No Solution Exploring Operation: 91+16=107, Resulting Numbers: [107] 107,63 unequal: No Solution Exploring Operation: 91*16=1456, Resulting Numbers: [1456] 1456,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[25, 100], Operations: ['50/2=25', '91+9=100'] Exploring Operation: 25+100=125, Resulting Numbers: [125] 125,63 unequal: No Solution Exploring Operation: 100-25=75, Resulting Numbers: [75] 75,63 unequal: No Solution Exploring Operation: 100/25=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 25*100=2500, Resulting Numbers: [2500] 2500,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 63:[50, 2, 82], Operations: ['91-9=82'] Exploring Operation: 50/2=25, Resulting Numbers: [82, 25] Generated Node #0,3,0: 63:[82, 25] Operation: 50/2=25 Exploring Operation: 82-50=32, Resulting Numbers: [2, 32] Generated Node #0,3,1: 63:[2, 32] Operation: 82-50=32 Exploring Operation: 50+2=52, Resulting Numbers: [82, 52] Generated Node #0,3,2: 63:[82, 52] Operation: 50+2=52 Exploring Operation: 82-2=80, Resulting Numbers: [50, 80] Generated Node #0,3,3: 63:[50, 80] Operation: 82-2=80 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 63:[2, 32], Operations: ['91-9=82', '82-50=32'] Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,63 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 63:[82, 25], Operations: ['91-9=82', '50/2=25'] Exploring Operation: 82*25=2050, Resulting Numbers: [2050] 2050,63 unequal: No Solution Exploring Operation: 82-25=57, Resulting Numbers: [57] 57,63 unequal: No Solution Exploring Operation: 82+25=107, Resulting Numbers: [107] 107,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 63:[82, 52], Operations: ['91-9=82', '50+2=52'] Exploring Operation: 82-52=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 82*52=4264, Resulting Numbers: [4264] 4264,63 unequal: No Solution Exploring Operation: 82+52=134, Resulting Numbers: [134] 134,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 63:[50, 80], Operations: ['91-9=82', '82-2=80'] Exploring Operation: 80-50=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 50+80=130, Resulting Numbers: [130] 130,63 unequal: No Solution Exploring Operation: 50*80=4000, Resulting Numbers: [4000] 4000,63 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: 63:[91, 2, 59], Operations: ['9+50=59'] Exploring Operation: 91+2=93, Resulting Numbers: [59, 93] Generated Node #0,2,0: 63:[59, 93] Operation: 91+2=93 Exploring Operation: 2+59=61, Resulting Numbers: [91, 61] Generated Node #0,2,1: 63:[91, 61] Operation: 2+59=61 Exploring Operation: 91-59=32, Resulting Numbers: [2, 32] Generated Node #0,2,2: 63:[2, 32] Operation: 91-59=32 Exploring Operation: 91-2=89, Resulting Numbers: [59, 89] Generated Node #0,2,3: 63:[59, 89] Operation: 91-2=89 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 63:[2, 32], Operations: ['9+50=59', '91-59=32'] Exploring Operation: 2*32=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,63 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,63 unequal: No Solution Exploring Operation: 32/2=16, Resulting Numbers: [16] 16,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 63:[91, 61], Operations: ['9+50=59', '2+59=61'] Exploring Operation: 91*61=5551, Resulting Numbers: [5551] 5551,63 unequal: No Solution Exploring Operation: 91+61=152, Resulting Numbers: [152] 152,63 unequal: No Solution Exploring Operation: 91-61=30, Resulting Numbers: [30] 30,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 63:[59, 89], Operations: ['9+50=59', '91-2=89'] Exploring Operation: 59*89=5251, Resulting Numbers: [5251] 5251,63 unequal: No Solution Exploring Operation: 59+89=148, Resulting Numbers: [148] 148,63 unequal: No Solution Exploring Operation: 89-59=30, Resulting Numbers: [30] 30,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 63:[59, 93], Operations: ['9+50=59', '91+2=93'] Exploring Operation: 93-59=34, Resulting Numbers: [34] 34,63 unequal: No Solution Exploring Operation: 59*93=5487, Resulting Numbers: [5487] 5487,63 unequal: No Solution Exploring Operation: 59+93=152, Resulting Numbers: [152] 152,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 60, 42, 71, 64 ]
25
[ "60-42=18", "71-64=7", "18+7=25" ]
Current State: 25:[60, 42, 71, 64], Operations: [] Exploring Operation: 60-42=18, Resulting Numbers: [71, 64, 18] Generated Node #2: [71, 64, 18] from Operation: 60-42=18 Current State: 25:[71, 64, 18], Operations: ['60-42=18'] Exploring Operation: 71-64=7, Resulting Numbers: [18, 7] Generated Node #3: [18, 7] from Operation: 71-64=7 Current State: 25:[18, 7], Operations: ['60-42=18', '71-64=7'] Exploring Operation: 18+7=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[60, 42, 71, 64], Operations: [] Exploring Operation: 71-42=29, Resulting Numbers: [60, 64, 29] Generated Node #0,0: 25:[60, 64, 29] Operation: 71-42=29 Exploring Operation: 71-60=11, Resulting Numbers: [42, 64, 11] Generated Node #0,1: 25:[42, 64, 11] Operation: 71-60=11 Exploring Operation: 71-64=7, Resulting Numbers: [60, 42, 7] Generated Node #0,2: 25:[60, 42, 7] Operation: 71-64=7 Exploring Operation: 64-60=4, Resulting Numbers: [42, 71, 4] Generated Node #0,3: 25:[42, 71, 4] Operation: 64-60=4 Start Sub Search at level 1: Moving to Node #0,2 Current State: 25:[60, 42, 7], Operations: ['71-64=7'] Exploring Operation: 60-7=53, Resulting Numbers: [42, 53] Generated Node #0,2,0: 25:[42, 53] Operation: 60-7=53 Exploring Operation: 42/7=6, Resulting Numbers: [60, 6] Generated Node #0,2,1: 25:[60, 6] Operation: 42/7=6 Exploring Operation: 42-7=35, Resulting Numbers: [60, 35] Generated Node #0,2,2: 25:[60, 35] Operation: 42-7=35 Exploring Operation: 60-42=18, Resulting Numbers: [7, 18] Generated Node #0,2,3: 25:[7, 18] Operation: 60-42=18 Moving to Node #0,2,3 Current State: 25:[7, 18], Operations: ['71-64=7', '60-42=18'] Exploring Operation: 18-7=11, Resulting Numbers: [11] 11,25 unequal: No Solution Exploring Operation: 7*18=126, Resulting Numbers: [126] 126,25 unequal: No Solution Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[60, 42, 71, 64], Operations: [] Exploring Operation: 71-64=7, Resulting Numbers: [60, 42, 7] Generated Node #0,2: 25:[60, 42, 7] Operation: 71-64=7 Moving to Node #0,2 Current State: 25:[60, 42, 7], Operations: ['71-64=7'] Exploring Operation: 60-42=18, Resulting Numbers: [7, 18] Generated Node #0,2,3: 25:[7, 18] Operation: 60-42=18 Moving to Node #0,2,3 Current State: 25:[7, 18], Operations: ['71-64=7', '60-42=18'] Exploring Operation: 7+18=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 57, 17, 6, 99 ]
53
[ "57-17=40", "99-6=93", "93-40=53" ]
Current State: 53:[57, 17, 6, 99], Operations: [] Exploring Operation: 57-17=40, Resulting Numbers: [6, 99, 40] Generated Node #2: [6, 99, 40] from Operation: 57-17=40 Current State: 53:[6, 99, 40], Operations: ['57-17=40'] Exploring Operation: 99-6=93, Resulting Numbers: [40, 93] Generated Node #3: [40, 93] from Operation: 99-6=93 Current State: 53:[40, 93], Operations: ['57-17=40', '99-6=93'] Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,53 equal: Goal Reached
4
Current State: 53:[57, 17, 6, 99], Operations: [] Exploring Operation: 17+6=23, Resulting Numbers: [57, 99, 23] Generated Node #0,0: 53:[57, 99, 23] Operation: 17+6=23 Exploring Operation: 57-6=51, Resulting Numbers: [17, 99, 51] Generated Node #0,1: 53:[17, 99, 51] Operation: 57-6=51 Exploring Operation: 99-6=93, Resulting Numbers: [57, 17, 93] Generated Node #0,2: 53:[57, 17, 93] Operation: 99-6=93 Exploring Operation: 99-17=82, Resulting Numbers: [57, 6, 82] Generated Node #0,3: 53:[57, 6, 82] Operation: 99-17=82 Moving to Node #0,0 Current State: 53:[57, 99, 23], Operations: ['17+6=23'] Exploring Operation: 99-23=76, Resulting Numbers: [57, 76] Generated Node #0,0,0: 53:[57, 76] Operation: 99-23=76 Exploring Operation: 57+23=80, Resulting Numbers: [99, 80] Generated Node #0,0,1: 53:[99, 80] Operation: 57+23=80 Exploring Operation: 57-23=34, Resulting Numbers: [99, 34] Generated Node #0,0,2: 53:[99, 34] Operation: 57-23=34 Exploring Operation: 99-57=42, Resulting Numbers: [23, 42] Generated Node #0,0,3: 53:[23, 42] Operation: 99-57=42 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 53:[57, 76], Operations: ['17+6=23', '99-23=76'] Exploring Operation: 57+76=133, Resulting Numbers: [133] 133,53 unequal: No Solution Exploring Operation: 57*76=4332, Resulting Numbers: [4332] 4332,53 unequal: No Solution Exploring Operation: 76-57=19, Resulting Numbers: [19] 19,53 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 #0,0,3 Current State: 53:[23, 42], Operations: ['17+6=23', '99-57=42'] Exploring Operation: 23+42=65, Resulting Numbers: [65] 65,53 unequal: No Solution Exploring Operation: 42-23=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 23*42=966, Resulting Numbers: [966] 966,53 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 #0,0,2 Current State: 53:[99, 34], Operations: ['17+6=23', '57-23=34'] Exploring Operation: 99*34=3366, Resulting Numbers: [3366] 3366,53 unequal: No Solution Exploring Operation: 99+34=133, Resulting Numbers: [133] 133,53 unequal: No Solution Exploring Operation: 99-34=65, Resulting Numbers: [65] 65,53 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 53:[99, 80], Operations: ['17+6=23', '57+23=80'] Exploring Operation: 99*80=7920, Resulting Numbers: [7920] 7920,53 unequal: No Solution Exploring Operation: 99+80=179, Resulting Numbers: [179] 179,53 unequal: No Solution Exploring Operation: 99-80=19, Resulting Numbers: [19] 19,53 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: 53:[57, 6, 82], Operations: ['99-17=82'] Exploring Operation: 57-6=51, Resulting Numbers: [82, 51] Generated Node #0,3,0: 53:[82, 51] Operation: 57-6=51 Exploring Operation: 6+82=88, Resulting Numbers: [57, 88] Generated Node #0,3,1: 53:[57, 88] Operation: 6+82=88 Exploring Operation: 82-6=76, Resulting Numbers: [57, 76] Generated Node #0,3,2: 53:[57, 76] Operation: 82-6=76 Exploring Operation: 57+6=63, Resulting Numbers: [82, 63] Generated Node #0,3,3: 53:[82, 63] Operation: 57+6=63 Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 53:[57, 76], Operations: ['99-17=82', '82-6=76'] Exploring Operation: 57*76=4332, Resulting Numbers: [4332] 4332,53 unequal: No Solution Exploring Operation: 57+76=133, Resulting Numbers: [133] 133,53 unequal: No Solution Exploring Operation: 76-57=19, Resulting Numbers: [19] 19,53 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 #0,3,0 Current State: 53:[82, 51], Operations: ['99-17=82', '57-6=51'] Exploring Operation: 82-51=31, Resulting Numbers: [31] 31,53 unequal: No Solution Exploring Operation: 82*51=4182, Resulting Numbers: [4182] 4182,53 unequal: No Solution Exploring Operation: 82+51=133, Resulting Numbers: [133] 133,53 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 #0,3,1 Current State: 53:[57, 88], Operations: ['99-17=82', '6+82=88'] Exploring Operation: 57*88=5016, Resulting Numbers: [5016] 5016,53 unequal: No Solution Exploring Operation: 88-57=31, Resulting Numbers: [31] 31,53 unequal: No Solution Exploring Operation: 57+88=145, Resulting Numbers: [145] 145,53 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 #0,3,3 Current State: 53:[82, 63], Operations: ['99-17=82', '57+6=63'] Exploring Operation: 82*63=5166, Resulting Numbers: [5166] 5166,53 unequal: No Solution Exploring Operation: 82-63=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 82+63=145, Resulting Numbers: [145] 145,53 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: 53:[57, 17, 93], Operations: ['99-6=93'] Exploring Operation: 93-17=76, Resulting Numbers: [57, 76] Generated Node #0,2,0: 53:[57, 76] Operation: 93-17=76 Exploring Operation: 57+17=74, Resulting Numbers: [93, 74] Generated Node #0,2,1: 53:[93, 74] Operation: 57+17=74 Exploring Operation: 57-17=40, Resulting Numbers: [93, 40] Generated Node #0,2,2: 53:[93, 40] Operation: 57-17=40 Exploring Operation: 93-57=36, Resulting Numbers: [17, 36] Generated Node #0,2,3: 53:[17, 36] Operation: 93-57=36 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 53:[57, 76], Operations: ['99-6=93', '93-17=76'] Exploring Operation: 76-57=19, Resulting Numbers: [19] 19,53 unequal: No Solution Exploring Operation: 57+76=133, Resulting Numbers: [133] 133,53 unequal: No Solution Exploring Operation: 57*76=4332, Resulting Numbers: [4332] 4332,53 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 #0,2,2 Current State: 53:[93, 40], Operations: ['99-6=93', '57-17=40'] Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Moving to Node #0 Current State: 53:[57, 17, 6, 99], Operations: [] Exploring Operation: 99-6=93, Resulting Numbers: [57, 17, 93] Generated Node #0,2: 53:[57, 17, 93] Operation: 99-6=93 Moving to Node #0,2 Current State: 53:[57, 17, 93], Operations: ['99-6=93'] Exploring Operation: 57-17=40, Resulting Numbers: [93, 40] Generated Node #0,2,2: 53:[93, 40] Operation: 57-17=40 Moving to Node #0,2,2 Current State: 53:[93, 40], Operations: ['99-6=93', '57-17=40'] Exploring Operation: 93-40=53, Resulting Numbers: [53] 53,53 equal: Goal Reached Exit Sub Search at level 1
0.958333
hs_4
mult_heuristic
[ 62, 8, 28, 24 ]
63
[ "62-8=54", "28*54=1512", "1512/24=63" ]
Current State: 63:[62, 8, 28, 24], Operations: [] Exploring Operation: 62-8=54, Resulting Numbers: [28, 24, 54] Generated Node #2: [28, 24, 54] from Operation: 62-8=54 Current State: 63:[28, 24, 54], Operations: ['62-8=54'] Exploring Operation: 28*54=1512, Resulting Numbers: [24, 1512] Generated Node #3: [24, 1512] from Operation: 28*54=1512 Current State: 63:[24, 1512], Operations: ['62-8=54', '28*54=1512'] Exploring Operation: 1512/24=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[62, 8, 28, 24], Operations: [] Exploring Operation: 28-24=4, Resulting Numbers: [62, 8, 4] Generated Node #0,0: 63:[62, 8, 4] Operation: 28-24=4 Exploring Operation: 28-8=20, Resulting Numbers: [62, 24, 20] Generated Node #0,1: 63:[62, 24, 20] Operation: 28-8=20 Moving to Node #0,0 Current State: 63:[62, 8, 4], Operations: ['28-24=4'] Exploring Operation: 8-4=4, Resulting Numbers: [62, 4] Generated Node #0,0,0: 63:[62, 4] Operation: 8-4=4 Exploring Operation: 8/4=2, Resulting Numbers: [62, 2] Generated Node #0,0,1: 63:[62, 2] Operation: 8/4=2 Moving to Node #0,1 Current State: 63:[62, 24, 20], Operations: ['28-8=20'] Exploring Operation: 24-20=4, Resulting Numbers: [62, 4] Generated Node #0,1,0: 63:[62, 4] Operation: 24-20=4 Exploring Operation: 62-24=38, Resulting Numbers: [20, 38] Generated Node #0,1,1: 63:[20, 38] Operation: 62-24=38 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 63:[62, 4], Operations: ['28-8=20', '24-20=4'] Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,63 unequal: No Solution Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[20, 38], Operations: ['28-8=20', '62-24=38'] Exploring Operation: 20+38=58, Resulting Numbers: [58] 58,63 unequal: No Solution Exploring Operation: 38-20=18, Resulting Numbers: [18] 18,63 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: 63:[62, 4], Operations: ['28-24=4', '8-4=4'] Exploring Operation: 62-4=58, Resulting Numbers: [58] 58,63 unequal: No Solution Exploring Operation: 62+4=66, Resulting Numbers: [66] 66,63 unequal: No Solution Moving to Node #0,0,1 Current State: 63:[62, 2], Operations: ['28-24=4', '8/4=2'] Exploring Operation: 62+2=64, Resulting Numbers: [64] 64,63 unequal: No Solution Exploring Operation: 62-2=60, Resulting Numbers: [60] 60,63 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 27, 37, 48, 9 ]
29
[ "37-27=10", "48-9=39", "39-10=29" ]
Current State: 29:[27, 37, 48, 9], Operations: [] Exploring Operation: 37-27=10, Resulting Numbers: [48, 9, 10] Generated Node #2: [48, 9, 10] from Operation: 37-27=10 Current State: 29:[48, 9, 10], Operations: ['37-27=10'] Exploring Operation: 48-9=39, Resulting Numbers: [10, 39] Generated Node #3: [10, 39] from Operation: 48-9=39 Current State: 29:[10, 39], Operations: ['37-27=10', '48-9=39'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,29 equal: Goal Reached
4
Current State: 29:[27, 37, 48, 9], Operations: [] Exploring Operation: 37-9=28, Resulting Numbers: [27, 48, 28] Generated Node #0,0: 29:[27, 48, 28] Operation: 37-9=28 Exploring Operation: 27+9=36, Resulting Numbers: [37, 48, 36] Generated Node #0,1: 29:[37, 48, 36] Operation: 27+9=36 Exploring Operation: 48-9=39, Resulting Numbers: [27, 37, 39] Generated Node #0,2: 29:[27, 37, 39] Operation: 48-9=39 Start Sub Search at level 1: Moving to Node #0,2 Current State: 29:[27, 37, 39], Operations: ['48-9=39'] Exploring Operation: 39-27=12, Resulting Numbers: [37, 12] Generated Node #0,2,0: 29:[37, 12] Operation: 39-27=12 Exploring Operation: 37-27=10, Resulting Numbers: [39, 10] Generated Node #0,2,1: 29:[39, 10] Operation: 37-27=10 Exploring Operation: 39-37=2, Resulting Numbers: [27, 2] Generated Node #0,2,2: 29:[27, 2] Operation: 39-37=2 Moving to Node #0,2,0 Current State: 29:[37, 12], Operations: ['48-9=39', '39-27=12'] Exploring Operation: 37*12=444, Resulting Numbers: [444] 444,29 unequal: No Solution Exploring Operation: 37-12=25, Resulting Numbers: [25] 25,29 unequal: No Solution Exploring Operation: 37+12=49, Resulting Numbers: [49] 49,29 unequal: No Solution Moving to Node #0,2,1 Current State: 29:[39, 10], Operations: ['48-9=39', '37-27=10'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Moving to Node #0 Current State: 29:[27, 37, 48, 9], Operations: [] Exploring Operation: 48-9=39, Resulting Numbers: [27, 37, 39] Generated Node #0,2: 29:[27, 37, 39] Operation: 48-9=39 Moving to Node #0,2 Current State: 29:[27, 37, 39], Operations: ['48-9=39'] Exploring Operation: 37-27=10, Resulting Numbers: [39, 10] Generated Node #0,2,1: 29:[39, 10] Operation: 37-27=10 Moving to Node #0,2,1 Current State: 29:[39, 10], Operations: ['48-9=39', '37-27=10'] Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,29 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
sum_heuristic
[ 70, 78, 2, 54 ]
97
[ "70/2=35", "78+54=132", "132-35=97" ]
Current State: 97:[70, 78, 2, 54], Operations: [] Exploring Operation: 70/2=35, Resulting Numbers: [78, 54, 35] Generated Node #2: [78, 54, 35] from Operation: 70/2=35 Current State: 97:[78, 54, 35], Operations: ['70/2=35'] Exploring Operation: 78+54=132, Resulting Numbers: [35, 132] Generated Node #3: [35, 132] from Operation: 78+54=132 Current State: 97:[35, 132], Operations: ['70/2=35', '78+54=132'] Exploring Operation: 132-35=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[70, 78, 2, 54], Operations: [] Exploring Operation: 2+54=56, Resulting Numbers: [70, 78, 56] Generated Node #0,0: 97:[70, 78, 56] Operation: 2+54=56 Exploring Operation: 2*54=108, Resulting Numbers: [70, 78, 108] Generated Node #0,1: 97:[70, 78, 108] Operation: 2*54=108 Exploring Operation: 78+2=80, Resulting Numbers: [70, 54, 80] Generated Node #0,2: 97:[70, 54, 80] Operation: 78+2=80 Exploring Operation: 70+2=72, Resulting Numbers: [78, 54, 72] Generated Node #0,3: 97:[78, 54, 72] Operation: 70+2=72 Start Sub Search at level 1: Moving to Node #0,1 Current State: 97:[70, 78, 108], Operations: ['2*54=108'] Exploring Operation: 70+78=148, Resulting Numbers: [108, 148] Generated Node #0,1,0: 97:[108, 148] Operation: 70+78=148 Exploring Operation: 108-78=30, Resulting Numbers: [70, 30] Generated Node #0,1,1: 97:[70, 30] Operation: 108-78=30 Exploring Operation: 108-70=38, Resulting Numbers: [78, 38] Generated Node #0,1,2: 97:[78, 38] Operation: 108-70=38 Exploring Operation: 78-70=8, Resulting Numbers: [108, 8] Generated Node #0,1,3: 97:[108, 8] Operation: 78-70=8 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 97:[108, 148], Operations: ['2*54=108', '70+78=148'] Exploring Operation: 148-108=40, Resulting Numbers: [40] 40,97 unequal: No Solution Exploring Operation: 108+148=256, Resulting Numbers: [256] 256,97 unequal: No Solution Exploring Operation: 108*148=15984, Resulting Numbers: [15984] 15984,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 97:[78, 38], Operations: ['2*54=108', '108-70=38'] Exploring Operation: 78*38=2964, Resulting Numbers: [2964] 2964,97 unequal: No Solution Exploring Operation: 78-38=40, Resulting Numbers: [40] 40,97 unequal: No Solution Exploring Operation: 78+38=116, Resulting Numbers: [116] 116,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 97:[70, 30], Operations: ['2*54=108', '108-78=30'] Exploring Operation: 70+30=100, Resulting Numbers: [100] 100,97 unequal: No Solution Exploring Operation: 70*30=2100, Resulting Numbers: [2100] 2100,97 unequal: No Solution Exploring Operation: 70-30=40, Resulting Numbers: [40] 40,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 97:[108, 8], Operations: ['2*54=108', '78-70=8'] Exploring Operation: 108+8=116, Resulting Numbers: [116] 116,97 unequal: No Solution Exploring Operation: 108*8=864, Resulting Numbers: [864] 864,97 unequal: No Solution Exploring Operation: 108-8=100, Resulting Numbers: [100] 100,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 97:[70, 78, 56], Operations: ['2+54=56'] Exploring Operation: 70+56=126, Resulting Numbers: [78, 126] Generated Node #0,0,0: 97:[78, 126] Operation: 70+56=126 Exploring Operation: 70+78=148, Resulting Numbers: [56, 148] Generated Node #0,0,1: 97:[56, 148] Operation: 70+78=148 Exploring Operation: 78+56=134, Resulting Numbers: [70, 134] Generated Node #0,0,2: 97:[70, 134] Operation: 78+56=134 Exploring Operation: 70-56=14, Resulting Numbers: [78, 14] Generated Node #0,0,3: 97:[78, 14] Operation: 70-56=14 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 97:[78, 126], Operations: ['2+54=56', '70+56=126'] Exploring Operation: 126-78=48, Resulting Numbers: [48] 48,97 unequal: No Solution Exploring Operation: 78+126=204, Resulting Numbers: [204] 204,97 unequal: No Solution Exploring Operation: 78*126=9828, Resulting Numbers: [9828] 9828,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 97:[70, 134], Operations: ['2+54=56', '78+56=134'] Exploring Operation: 70+134=204, Resulting Numbers: [204] 204,97 unequal: No Solution Exploring Operation: 70*134=9380, Resulting Numbers: [9380] 9380,97 unequal: No Solution Exploring Operation: 134-70=64, Resulting Numbers: [64] 64,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 97:[56, 148], Operations: ['2+54=56', '70+78=148'] Exploring Operation: 56*148=8288, Resulting Numbers: [8288] 8288,97 unequal: No Solution Exploring Operation: 56+148=204, Resulting Numbers: [204] 204,97 unequal: No Solution Exploring Operation: 148-56=92, Resulting Numbers: [92] 92,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 97:[78, 14], Operations: ['2+54=56', '70-56=14'] Exploring Operation: 78+14=92, Resulting Numbers: [92] 92,97 unequal: No Solution Exploring Operation: 78*14=1092, Resulting Numbers: [1092] 1092,97 unequal: No Solution Exploring Operation: 78-14=64, Resulting Numbers: [64] 64,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 97:[70, 54, 80], Operations: ['78+2=80'] Exploring Operation: 70-54=16, Resulting Numbers: [80, 16] Generated Node #0,2,0: 97:[80, 16] Operation: 70-54=16 Exploring Operation: 70+80=150, Resulting Numbers: [54, 150] Generated Node #0,2,1: 97:[54, 150] Operation: 70+80=150 Exploring Operation: 70+54=124, Resulting Numbers: [80, 124] Generated Node #0,2,2: 97:[80, 124] Operation: 70+54=124 Exploring Operation: 54+80=134, Resulting Numbers: [70, 134] Generated Node #0,2,3: 97:[70, 134] Operation: 54+80=134 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 97:[80, 124], Operations: ['78+2=80', '70+54=124'] Exploring Operation: 80*124=9920, Resulting Numbers: [9920] 9920,97 unequal: No Solution Exploring Operation: 124-80=44, Resulting Numbers: [44] 44,97 unequal: No Solution Exploring Operation: 80+124=204, Resulting Numbers: [204] 204,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 97:[70, 134], Operations: ['78+2=80', '54+80=134'] Exploring Operation: 70+134=204, Resulting Numbers: [204] 204,97 unequal: No Solution Exploring Operation: 70*134=9380, Resulting Numbers: [9380] 9380,97 unequal: No Solution Exploring Operation: 134-70=64, Resulting Numbers: [64] 64,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 97:[54, 150], Operations: ['78+2=80', '70+80=150'] Exploring Operation: 150-54=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 54*150=8100, Resulting Numbers: [8100] 8100,97 unequal: No Solution Exploring Operation: 54+150=204, Resulting Numbers: [204] 204,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 97:[80, 16], Operations: ['78+2=80', '70-54=16'] Exploring Operation: 80*16=1280, Resulting Numbers: [1280] 1280,97 unequal: No Solution Exploring Operation: 80+16=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 80-16=64, Resulting Numbers: [64] 64,97 unequal: No Solution Exploring Operation: 80/16=5, Resulting Numbers: [5] 5,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 97:[78, 54, 72], Operations: ['70+2=72'] Exploring Operation: 54+72=126, Resulting Numbers: [78, 126] Generated Node #0,3,0: 97:[78, 126] Operation: 54+72=126 Exploring Operation: 78-54=24, Resulting Numbers: [72, 24] Generated Node #0,3,1: 97:[72, 24] Operation: 78-54=24 Exploring Operation: 78+72=150, Resulting Numbers: [54, 150] Generated Node #0,3,2: 97:[54, 150] Operation: 78+72=150 Exploring Operation: 78+54=132, Resulting Numbers: [72, 132] Generated Node #0,3,3: 97:[72, 132] Operation: 78+54=132 Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 97:[78, 126], Operations: ['70+2=72', '54+72=126'] Exploring Operation: 78+126=204, Resulting Numbers: [204] 204,97 unequal: No Solution Exploring Operation: 78*126=9828, Resulting Numbers: [9828] 9828,97 unequal: No Solution Exploring Operation: 126-78=48, Resulting Numbers: [48] 48,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 97:[72, 132], Operations: ['70+2=72', '78+54=132'] Exploring Operation: 72+132=204, Resulting Numbers: [204] 204,97 unequal: No Solution Exploring Operation: 132-72=60, Resulting Numbers: [60] 60,97 unequal: No Solution Exploring Operation: 72*132=9504, Resulting Numbers: [9504] 9504,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 97:[54, 150], Operations: ['70+2=72', '78+72=150'] Exploring Operation: 150-54=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 54*150=8100, Resulting Numbers: [8100] 8100,97 unequal: No Solution Exploring Operation: 54+150=204, Resulting Numbers: [204] 204,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 97:[72, 24], Operations: ['70+2=72', '78-54=24'] Exploring Operation: 72+24=96, Resulting Numbers: [96] 96,97 unequal: No Solution Exploring Operation: 72-24=48, Resulting Numbers: [48] 48,97 unequal: No Solution Exploring Operation: 72/24=3, Resulting Numbers: [3] 3,97 unequal: No Solution Exploring Operation: 72*24=1728, Resulting Numbers: [1728] 1728,97 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 91, 91, 77, 18 ]
77
[ "91-91=0", "18*0=0", "77+0=77" ]
Current State: 77:[91, 91, 77, 18], Operations: [] Exploring Operation: 91-91=0, Resulting Numbers: [77, 18, 0] Generated Node #2: [77, 18, 0] from Operation: 91-91=0 Current State: 77:[77, 18, 0], Operations: ['91-91=0'] Exploring Operation: 18*0=0, Resulting Numbers: [77, 0] Generated Node #3: [77, 0] from Operation: 18*0=0 Current State: 77:[77, 0], Operations: ['91-91=0', '18*0=0'] Exploring Operation: 77+0=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[91, 91, 77, 18], Operations: [] Exploring Operation: 91/91=1, Resulting Numbers: [77, 18, 1] Generated Node #0,0: 77:[77, 18, 1] Operation: 91/91=1 Moving to Node #0,0 Current State: 77:[77, 18, 1], Operations: ['91/91=1'] Exploring Operation: 18-1=17, Resulting Numbers: [77, 17] Generated Node #0,0,0: 77:[77, 17] Operation: 18-1=17 Moving to Node #0,0,0 Current State: 77:[77, 17], Operations: ['91/91=1', '18-1=17'] Exploring Operation: 77+17=94, Resulting Numbers: [94] 94,77 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 33, 91, 61, 27 ]
24
[ "91-33=58", "61-27=34", "58-34=24" ]
Current State: 24:[33, 91, 61, 27], Operations: [] Exploring Operation: 91-33=58, Resulting Numbers: [61, 27, 58] Generated Node #2: [61, 27, 58] from Operation: 91-33=58 Current State: 24:[61, 27, 58], Operations: ['91-33=58'] Exploring Operation: 61-27=34, Resulting Numbers: [58, 34] Generated Node #3: [58, 34] from Operation: 61-27=34 Current State: 24:[58, 34], Operations: ['91-33=58', '61-27=34'] Exploring Operation: 58-34=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[33, 91, 61, 27], Operations: [] Exploring Operation: 91-61=30, Resulting Numbers: [33, 27, 30] Generated Node #0,0: 24:[33, 27, 30] Operation: 91-61=30 Exploring Operation: 61-33=28, Resulting Numbers: [91, 27, 28] Generated Node #0,1: 24:[91, 27, 28] Operation: 61-33=28 Exploring Operation: 61-27=34, Resulting Numbers: [33, 91, 34] Generated Node #0,2: 24:[33, 91, 34] Operation: 61-27=34 Exploring Operation: 91-33=58, Resulting Numbers: [61, 27, 58] Generated Node #0,3: 24:[61, 27, 58] Operation: 91-33=58 Exploring Operation: 91-27=64, Resulting Numbers: [33, 61, 64] Generated Node #0,4: 24:[33, 61, 64] Operation: 91-27=64 Start Sub Search at level 1: Moving to Node #0,0 Current State: 24:[33, 27, 30], Operations: ['91-61=30'] Exploring Operation: 33+30=63, Resulting Numbers: [27, 63] Generated Node #0,0,0: 24:[27, 63] Operation: 33+30=63 Exploring Operation: 33+27=60, Resulting Numbers: [30, 60] Generated Node #0,0,1: 24:[30, 60] Operation: 33+27=60 Exploring Operation: 33-27=6, Resulting Numbers: [30, 6] Generated Node #0,0,2: 24:[30, 6] Operation: 33-27=6 Exploring Operation: 33-30=3, Resulting Numbers: [27, 3] Generated Node #0,0,3: 24:[27, 3] Operation: 33-30=3 Exploring Operation: 30-27=3, Resulting Numbers: [33, 3] Generated Node #0,0,4: 24:[33, 3] Operation: 30-27=3 Moving to Node #0,0,3 Current State: 24:[27, 3], Operations: ['91-61=30', '33-30=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Moving to Node #0 Current State: 24:[33, 91, 61, 27], Operations: [] Exploring Operation: 91-61=30, Resulting Numbers: [33, 27, 30] Generated Node #0,0: 24:[33, 27, 30] Operation: 91-61=30 Moving to Node #0,0 Current State: 24:[33, 27, 30], Operations: ['91-61=30'] Exploring Operation: 33-30=3, Resulting Numbers: [27, 3] Generated Node #0,0,3: 24:[27, 3] Operation: 33-30=3 Moving to Node #0,0,3 Current State: 24:[27, 3], Operations: ['91-61=30', '33-30=3'] Exploring Operation: 27-3=24, Resulting Numbers: [24] 24,24 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_5
sum_heuristic
[ 84, 32, 92, 87 ]
20
[ "87-84=3", "92-32=60", "60/3=20" ]
Current State: 20:[84, 32, 92, 87], Operations: [] Exploring Operation: 87-84=3, Resulting Numbers: [32, 92, 3] Generated Node #2: [32, 92, 3] from Operation: 87-84=3 Current State: 20:[32, 92, 3], Operations: ['87-84=3'] Exploring Operation: 92-32=60, Resulting Numbers: [3, 60] Generated Node #3: [3, 60] from Operation: 92-32=60 Current State: 20:[3, 60], Operations: ['87-84=3', '92-32=60'] Exploring Operation: 60/3=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[84, 32, 92, 87], Operations: [] Exploring Operation: 92-87=5, Resulting Numbers: [84, 32, 5] Generated Node #0,0: 20:[84, 32, 5] Operation: 92-87=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[84, 32, 5], Operations: ['92-87=5'] Exploring Operation: 84-32=52, Resulting Numbers: [5, 52] Generated Node #0,0,0: 20:[5, 52] Operation: 84-32=52 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[5, 52], Operations: ['92-87=5', '84-32=52'] Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 1, 53, 66, 38 ]
25
[ "1*53=53", "66-38=28", "53-28=25" ]
Current State: 25:[1, 53, 66, 38], Operations: [] Exploring Operation: 1*53=53, Resulting Numbers: [66, 38, 53] Generated Node #2: [66, 38, 53] from Operation: 1*53=53 Current State: 25:[66, 38, 53], Operations: ['1*53=53'] Exploring Operation: 66-38=28, Resulting Numbers: [53, 28] Generated Node #3: [53, 28] from Operation: 66-38=28 Current State: 25:[53, 28], Operations: ['1*53=53', '66-38=28'] Exploring Operation: 53-28=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[1, 53, 66, 38], Operations: [] Exploring Operation: 66-53=13, Resulting Numbers: [1, 38, 13] Generated Node #0,0: 25:[1, 38, 13] Operation: 66-53=13 Exploring Operation: 53-38=15, Resulting Numbers: [1, 66, 15] Generated Node #0,1: 25:[1, 66, 15] Operation: 53-38=15 Exploring Operation: 66-38=28, Resulting Numbers: [1, 53, 28] Generated Node #0,2: 25:[1, 53, 28] Operation: 66-38=28 Moving to Node #0,0 Current State: 25:[1, 38, 13], Operations: ['66-53=13'] Exploring Operation: 13-1=12, Resulting Numbers: [38, 12] Generated Node #0,0,0: 25:[38, 12] Operation: 13-1=12 Exploring Operation: 38-1=37, Resulting Numbers: [13, 37] Generated Node #0,0,1: 25:[13, 37] Operation: 38-1=37 Exploring Operation: 38-13=25, Resulting Numbers: [1, 25] Generated Node #0,0,2: 25:[1, 25] Operation: 38-13=25 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 25:[1, 25], Operations: ['66-53=13', '38-13=25'] Exploring Operation: 1*25=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Moving to Node #0 Current State: 25:[1, 53, 66, 38], Operations: [] Exploring Operation: 66-53=13, Resulting Numbers: [1, 38, 13] Generated Node #0,0: 25:[1, 38, 13] Operation: 66-53=13 Moving to Node #0,0 Current State: 25:[1, 38, 13], Operations: ['66-53=13'] Exploring Operation: 38-13=25, Resulting Numbers: [1, 25] Generated Node #0,0,2: 25:[1, 25] Operation: 38-13=25 Moving to Node #0,0,2 Current State: 25:[1, 25], Operations: ['66-53=13', '38-13=25'] Exploring Operation: 1*25=25, Resulting Numbers: [25] 25,25 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_3
sum_heuristic
[ 69, 23, 35, 9 ]
96
[ "69/23=3", "35*3=105", "105-9=96" ]
Current State: 96:[69, 23, 35, 9], Operations: [] Exploring Operation: 69/23=3, Resulting Numbers: [35, 9, 3] Generated Node #2: [35, 9, 3] from Operation: 69/23=3 Current State: 96:[35, 9, 3], Operations: ['69/23=3'] Exploring Operation: 35*3=105, Resulting Numbers: [9, 105] Generated Node #3: [9, 105] from Operation: 35*3=105 Current State: 96:[9, 105], Operations: ['69/23=3', '35*3=105'] Exploring Operation: 105-9=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[69, 23, 35, 9], Operations: [] Exploring Operation: 69-35=34, Resulting Numbers: [23, 9, 34] Generated Node #0,0: 96:[23, 9, 34] Operation: 69-35=34 Exploring Operation: 69/23=3, Resulting Numbers: [35, 9, 3] Generated Node #0,1: 96:[35, 9, 3] Operation: 69/23=3 Exploring Operation: 69+23=92, Resulting Numbers: [35, 9, 92] Generated Node #0,2: 96:[35, 9, 92] Operation: 69+23=92 Exploring Operation: 69-23=46, Resulting Numbers: [35, 9, 46] Generated Node #0,3: 96:[35, 9, 46] Operation: 69-23=46 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[23, 9, 34], Operations: ['69-35=34'] Exploring Operation: 23-9=14, Resulting Numbers: [34, 14] Generated Node #0,0,0: 96:[34, 14] Operation: 23-9=14 Exploring Operation: 34-23=11, Resulting Numbers: [9, 11] Generated Node #0,0,1: 96:[9, 11] Operation: 34-23=11 Exploring Operation: 34-9=25, Resulting Numbers: [23, 25] Generated Node #0,0,2: 96:[23, 25] Operation: 34-9=25 Exploring Operation: 23+9=32, Resulting Numbers: [34, 32] Generated Node #0,0,3: 96:[34, 32] Operation: 23+9=32 Moving to Node #0,0,1 Current State: 96:[9, 11], Operations: ['69-35=34', '34-23=11'] Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,96 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,96 unequal: No Solution Moving to Node #0,0,3 Current State: 96:[34, 32], Operations: ['69-35=34', '23+9=32'] Exploring Operation: 34+32=66, Resulting Numbers: [66] 66,96 unequal: No Solution Exploring Operation: 34-32=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 34*32=1088, Resulting Numbers: [1088] 1088,96 unequal: No Solution Moving to Node #0,0,2 Current State: 96:[23, 25], Operations: ['69-35=34', '34-9=25'] Exploring Operation: 25-23=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 23*25=575, Resulting Numbers: [575] 575,96 unequal: No Solution Exploring Operation: 23+25=48, Resulting Numbers: [48] 48,96 unequal: No Solution Moving to Node #0,0,0 Current State: 96:[34, 14], Operations: ['69-35=34', '23-9=14'] Exploring Operation: 34+14=48, Resulting Numbers: [48] 48,96 unequal: No Solution Exploring Operation: 34-14=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 34*14=476, Resulting Numbers: [476] 476,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 96:[35, 9, 3], Operations: ['69/23=3'] Exploring Operation: 9+3=12, Resulting Numbers: [35, 12] Generated Node #0,1,0: 96:[35, 12] Operation: 9+3=12 Exploring Operation: 35-3=32, Resulting Numbers: [9, 32] Generated Node #0,1,1: 96:[9, 32] Operation: 35-3=32 Exploring Operation: 9-3=6, Resulting Numbers: [35, 6] Generated Node #0,1,2: 96:[35, 6] Operation: 9-3=6 Exploring Operation: 35-9=26, Resulting Numbers: [3, 26] Generated Node #0,1,3: 96:[3, 26] Operation: 35-9=26 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 96:[9, 32], Operations: ['69/23=3', '35-3=32'] Exploring Operation: 9*32=288, Resulting Numbers: [288] 288,96 unequal: No Solution Exploring Operation: 9+32=41, Resulting Numbers: [41] 41,96 unequal: No Solution Exploring Operation: 32-9=23, Resulting Numbers: [23] 23,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 96:[3, 26], Operations: ['69/23=3', '35-9=26'] Exploring Operation: 26-3=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 3*26=78, Resulting Numbers: [78] 78,96 unequal: No Solution Exploring Operation: 3+26=29, Resulting Numbers: [29] 29,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 96:[35, 12], Operations: ['69/23=3', '9+3=12'] Exploring Operation: 35*12=420, Resulting Numbers: [420] 420,96 unequal: No Solution Exploring Operation: 35-12=23, Resulting Numbers: [23] 23,96 unequal: No Solution Exploring Operation: 35+12=47, Resulting Numbers: [47] 47,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 96:[35, 6], Operations: ['69/23=3', '9-3=6'] Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,96 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,96 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,96 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 96:[35, 9, 46], Operations: ['69-23=46'] Exploring Operation: 46-9=37, Resulting Numbers: [35, 37] Generated Node #0,3,0: 96:[35, 37] Operation: 46-9=37 Exploring Operation: 46-35=11, Resulting Numbers: [9, 11] Generated Node #0,3,1: 96:[9, 11] Operation: 46-35=11 Exploring Operation: 35-9=26, Resulting Numbers: [46, 26] Generated Node #0,3,2: 96:[46, 26] Operation: 35-9=26 Exploring Operation: 35+9=44, Resulting Numbers: [46, 44] Generated Node #0,3,3: 96:[46, 44] Operation: 35+9=44 Moving to Node #0,3,1 Current State: 96:[9, 11], Operations: ['69-23=46', '46-35=11'] Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 9+11=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 9*11=99, Resulting Numbers: [99] 99,96 unequal: No Solution Moving to Node #0,3,2 Current State: 96:[46, 26], Operations: ['69-23=46', '35-9=26'] Exploring Operation: 46+26=72, Resulting Numbers: [72] 72,96 unequal: No Solution Exploring Operation: 46-26=20, Resulting Numbers: [20] 20,96 unequal: No Solution Exploring Operation: 46*26=1196, Resulting Numbers: [1196] 1196,96 unequal: No Solution Moving to Node #0,3,3 Current State: 96:[46, 44], Operations: ['69-23=46', '35+9=44'] Exploring Operation: 46+44=90, Resulting Numbers: [90] 90,96 unequal: No Solution Exploring Operation: 46*44=2024, Resulting Numbers: [2024] 2024,96 unequal: No Solution Exploring Operation: 46-44=2, Resulting Numbers: [2] 2,96 unequal: No Solution Moving to Node #0,3,0 Current State: 96:[35, 37], Operations: ['69-23=46', '46-9=37'] Exploring Operation: 35*37=1295, Resulting Numbers: [1295] 1295,96 unequal: No Solution Exploring Operation: 37-35=2, Resulting Numbers: [2] 2,96 unequal: No Solution Exploring Operation: 35+37=72, Resulting Numbers: [72] 72,96 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 96:[35, 9, 92], Operations: ['69+23=92'] Exploring Operation: 9+92=101, Resulting Numbers: [35, 101] Generated Node #0,2,0: 96:[35, 101] Operation: 9+92=101 Exploring Operation: 35+9=44, Resulting Numbers: [92, 44] Generated Node #0,2,1: 96:[92, 44] Operation: 35+9=44 Exploring Operation: 92-35=57, Resulting Numbers: [9, 57] Generated Node #0,2,2: 96:[9, 57] Operation: 92-35=57 Exploring Operation: 35-9=26, Resulting Numbers: [92, 26] Generated Node #0,2,3: 96:[92, 26] Operation: 35-9=26 Moving to Node #0,2,3 Current State: 96:[92, 26], Operations: ['69+23=92', '35-9=26'] Exploring Operation: 92-26=66, Resulting Numbers: [66] 66,96 unequal: No Solution Exploring Operation: 92*26=2392, Resulting Numbers: [2392] 2392,96 unequal: No Solution Exploring Operation: 92+26=118, Resulting Numbers: [118] 118,96 unequal: No Solution Moving to Node #0,2,1 Current State: 96:[92, 44], Operations: ['69+23=92', '35+9=44'] Exploring Operation: 92*44=4048, Resulting Numbers: [4048] 4048,96 unequal: No Solution Exploring Operation: 92-44=48, Resulting Numbers: [48] 48,96 unequal: No Solution Exploring Operation: 92+44=136, Resulting Numbers: [136] 136,96 unequal: No Solution Moving to Node #0,2,0 Current State: 96:[35, 101], Operations: ['69+23=92', '9+92=101'] Exploring Operation: 35+101=136, Resulting Numbers: [136] 136,96 unequal: No Solution Exploring Operation: 35*101=3535, Resulting Numbers: [3535] 3535,96 unequal: No Solution Exploring Operation: 101-35=66, Resulting Numbers: [66] 66,96 unequal: No Solution Moving to Node #0,2,2 Current State: 96:[9, 57], Operations: ['69+23=92', '92-35=57'] Exploring Operation: 9*57=513, Resulting Numbers: [513] 513,96 unequal: No Solution Exploring Operation: 57-9=48, Resulting Numbers: [48] 48,96 unequal: No Solution Exploring Operation: 9+57=66, Resulting Numbers: [66] 66,96 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
[ 12, 1, 55, 52 ]
48
[ "1+55=56", "56-52=4", "12*4=48" ]
Current State: 48:[12, 1, 55, 52], Operations: [] Exploring Operation: 1+55=56, Resulting Numbers: [12, 52, 56] Generated Node #2: [12, 52, 56] from Operation: 1+55=56 Current State: 48:[12, 52, 56], Operations: ['1+55=56'] Exploring Operation: 56-52=4, Resulting Numbers: [12, 4] Generated Node #3: [12, 4] from Operation: 56-52=4 Current State: 48:[12, 4], Operations: ['1+55=56', '56-52=4'] Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[12, 1, 55, 52], Operations: [] Exploring Operation: 55-1=54, Resulting Numbers: [12, 52, 54] Generated Node #0,0: 48:[12, 52, 54] Operation: 55-1=54 Exploring Operation: 55-52=3, Resulting Numbers: [12, 1, 3] Generated Node #0,1: 48:[12, 1, 3] Operation: 55-52=3 Exploring Operation: 55-12=43, Resulting Numbers: [1, 52, 43] Generated Node #0,2: 48:[1, 52, 43] Operation: 55-12=43 Moving to Node #0,1 Current State: 48:[12, 1, 3], Operations: ['55-52=3'] Exploring Operation: 1+3=4, Resulting Numbers: [12, 4] Generated Node #0,1,0: 48:[12, 4] Operation: 1+3=4 Exploring Operation: 12*1=12, Resulting Numbers: [3, 12] Generated Node #0,1,1: 48:[3, 12] Operation: 12*1=12 Exploring Operation: 12/1=12, Resulting Numbers: [3, 12] Generated Node #0,1,2: 48:[3, 12] Operation: 12/1=12 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 48:[12, 4], Operations: ['55-52=3', '1+3=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,48 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,48 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[12, 1, 55, 52], Operations: [] Exploring Operation: 55-52=3, Resulting Numbers: [12, 1, 3] Generated Node #0,1: 48:[12, 1, 3] Operation: 55-52=3 Moving to Node #0,1 Current State: 48:[12, 1, 3], Operations: ['55-52=3'] Exploring Operation: 1+3=4, Resulting Numbers: [12, 4] Generated Node #0,1,0: 48:[12, 4] Operation: 1+3=4 Moving to Node #0,1,0 Current State: 48:[12, 4], Operations: ['55-52=3', '1+3=4'] Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 78, 11, 88, 71 ]
84
[ "78-11=67", "88-71=17", "67+17=84" ]
Current State: 84:[78, 11, 88, 71], Operations: [] Exploring Operation: 78-11=67, Resulting Numbers: [88, 71, 67] Generated Node #2: [88, 71, 67] from Operation: 78-11=67 Current State: 84:[88, 71, 67], Operations: ['78-11=67'] Exploring Operation: 88-71=17, Resulting Numbers: [67, 17] Generated Node #3: [67, 17] from Operation: 88-71=17 Current State: 84:[67, 17], Operations: ['78-11=67', '88-71=17'] Exploring Operation: 67+17=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[78, 11, 88, 71], Operations: [] Exploring Operation: 88-71=17, Resulting Numbers: [78, 11, 17] Generated Node #0,0: 84:[78, 11, 17] Operation: 88-71=17 Exploring Operation: 78-71=7, Resulting Numbers: [11, 88, 7] Generated Node #0,1: 84:[11, 88, 7] Operation: 78-71=7 Moving to Node #0,1 Current State: 84:[11, 88, 7], Operations: ['78-71=7'] Exploring Operation: 11-7=4, Resulting Numbers: [88, 4] Generated Node #0,1,0: 84:[88, 4] Operation: 11-7=4 Exploring Operation: 88/11=8, Resulting Numbers: [7, 8] Generated Node #0,1,1: 84:[7, 8] Operation: 88/11=8 Moving to Node #0,0 Current State: 84:[78, 11, 17], Operations: ['88-71=17'] Exploring Operation: 11+17=28, Resulting Numbers: [78, 28] Generated Node #0,0,0: 84:[78, 28] Operation: 11+17=28 Exploring Operation: 17-11=6, Resulting Numbers: [78, 6] Generated Node #0,0,1: 84:[78, 6] Operation: 17-11=6 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 84:[78, 28], Operations: ['88-71=17', '11+17=28'] Exploring Operation: 78-28=50, Resulting Numbers: [50] 50,84 unequal: No Solution Exploring Operation: 78+28=106, Resulting Numbers: [106] 106,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 84:[78, 6], Operations: ['88-71=17', '17-11=6'] Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,84 unequal: No Solution Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Moving to Node #0 Current State: 84:[78, 11, 88, 71], Operations: [] Exploring Operation: 88-71=17, Resulting Numbers: [78, 11, 17] Generated Node #0,0: 84:[78, 11, 17] Operation: 88-71=17 Moving to Node #0,0 Current State: 84:[78, 11, 17], Operations: ['88-71=17'] Exploring Operation: 17-11=6, Resulting Numbers: [78, 6] Generated Node #0,0,1: 84:[78, 6] Operation: 17-11=6 Moving to Node #0,0,1 Current State: 84:[78, 6], Operations: ['88-71=17', '17-11=6'] Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,84 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_2
mult_heuristic
[ 17, 7, 93, 85 ]
16
[ "17+7=24", "93-85=8", "24-8=16" ]
Current State: 16:[17, 7, 93, 85], Operations: [] Exploring Operation: 17+7=24, Resulting Numbers: [93, 85, 24] Generated Node #2: [93, 85, 24] from Operation: 17+7=24 Current State: 16:[93, 85, 24], Operations: ['17+7=24'] Exploring Operation: 93-85=8, Resulting Numbers: [24, 8] Generated Node #3: [24, 8] from Operation: 93-85=8 Current State: 16:[24, 8], Operations: ['17+7=24', '93-85=8'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[17, 7, 93, 85], Operations: [] Exploring Operation: 93-85=8, Resulting Numbers: [17, 7, 8] Generated Node #0,0: 16:[17, 7, 8] Operation: 93-85=8 Moving to Node #0,0 Current State: 16:[17, 7, 8], Operations: ['93-85=8'] Exploring Operation: 17-7=10, Resulting Numbers: [8, 10] Generated Node #0,0,0: 16:[8, 10] Operation: 17-7=10 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 16:[8, 10], Operations: ['93-85=8', '17-7=10'] Exploring Operation: 10-8=2, Resulting Numbers: [2] 2,16 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 43, 66, 40, 10 ]
80
[ "43-10=33", "66*40=2640", "2640/33=80" ]
Current State: 80:[43, 66, 40, 10], Operations: [] Exploring Operation: 43-10=33, Resulting Numbers: [66, 40, 33] Generated Node #2: [66, 40, 33] from Operation: 43-10=33 Current State: 80:[66, 40, 33], Operations: ['43-10=33'] Exploring Operation: 66*40=2640, Resulting Numbers: [33, 2640] Generated Node #3: [33, 2640] from Operation: 66*40=2640 Current State: 80:[33, 2640], Operations: ['43-10=33', '66*40=2640'] Exploring Operation: 2640/33=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[43, 66, 40, 10], Operations: [] Exploring Operation: 66-43=23, Resulting Numbers: [40, 10, 23] Generated Node #0,0: 80:[40, 10, 23] Operation: 66-43=23 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[40, 10, 23], Operations: ['66-43=23'] Exploring Operation: 40-23=17, Resulting Numbers: [10, 17] Generated Node #0,0,0: 80:[10, 17] Operation: 40-23=17 Moving to Node #0,0,0 Current State: 80:[10, 17], Operations: ['66-43=23', '40-23=17'] Exploring Operation: 17-10=7, Resulting Numbers: [7] 7,80 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 17, 35, 41, 22 ]
70
[ "41-17=24", "24-22=2", "35*2=70" ]
Current State: 70:[17, 35, 41, 22], Operations: [] Exploring Operation: 41-17=24, Resulting Numbers: [35, 22, 24] Generated Node #2: [35, 22, 24] from Operation: 41-17=24 Current State: 70:[35, 22, 24], Operations: ['41-17=24'] Exploring Operation: 24-22=2, Resulting Numbers: [35, 2] Generated Node #3: [35, 2] from Operation: 24-22=2 Current State: 70:[35, 2], Operations: ['41-17=24', '24-22=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[17, 35, 41, 22], Operations: [] Exploring Operation: 41+22=63, Resulting Numbers: [17, 35, 63] Generated Node #0,0: 70:[17, 35, 63] Operation: 41+22=63 Exploring Operation: 22-17=5, Resulting Numbers: [35, 41, 5] Generated Node #0,1: 70:[35, 41, 5] Operation: 22-17=5 Exploring Operation: 35-22=13, Resulting Numbers: [17, 41, 13] Generated Node #0,2: 70:[17, 41, 13] Operation: 35-22=13 Exploring Operation: 17+22=39, Resulting Numbers: [35, 41, 39] Generated Node #0,3: 70:[35, 41, 39] Operation: 17+22=39 Exploring Operation: 41-22=19, Resulting Numbers: [17, 35, 19] Generated Node #0,4: 70:[17, 35, 19] Operation: 41-22=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[35, 41, 5], Operations: ['22-17=5'] Exploring Operation: 35+5=40, Resulting Numbers: [41, 40] Generated Node #0,1,0: 70:[41, 40] Operation: 35+5=40 Exploring Operation: 41-35=6, Resulting Numbers: [5, 6] Generated Node #0,1,1: 70:[5, 6] Operation: 41-35=6 Exploring Operation: 41-5=36, Resulting Numbers: [35, 36] Generated Node #0,1,2: 70:[35, 36] Operation: 41-5=36 Exploring Operation: 35/5=7, Resulting Numbers: [41, 7] Generated Node #0,1,3: 70:[41, 7] Operation: 35/5=7 Exploring Operation: 35+41=76, Resulting Numbers: [5, 76] Generated Node #0,1,4: 70:[5, 76] Operation: 35+41=76 Moving to Node #0,1,1 Current State: 70:[5, 6], Operations: ['22-17=5', '41-35=6'] Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,70 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,70 unequal: No Solution Moving to Node #0,1,2 Current State: 70:[35, 36], Operations: ['22-17=5', '41-5=36'] Exploring Operation: 35*36=1260, Resulting Numbers: [1260] 1260,70 unequal: No Solution Exploring Operation: 35+36=71, Resulting Numbers: [71] 71,70 unequal: No Solution Exploring Operation: 36-35=1, Resulting Numbers: [1] 1,70 unequal: No Solution Moving to Node #0,1,3 Current State: 70:[41, 7], Operations: ['22-17=5', '35/5=7'] Exploring Operation: 41+7=48, Resulting Numbers: [48] 48,70 unequal: No Solution Exploring Operation: 41-7=34, Resulting Numbers: [34] 34,70 unequal: No Solution Exploring Operation: 41*7=287, Resulting Numbers: [287] 287,70 unequal: No Solution Moving to Node #0,1,4 Current State: 70:[5, 76], Operations: ['22-17=5', '35+41=76'] Exploring Operation: 5+76=81, Resulting Numbers: [81] 81,70 unequal: No Solution Exploring Operation: 5*76=380, Resulting Numbers: [380] 380,70 unequal: No Solution Exploring Operation: 76-5=71, Resulting Numbers: [71] 71,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[41, 40], Operations: ['22-17=5', '35+5=40'] Exploring Operation: 41-40=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 41+40=81, Resulting Numbers: [81] 81,70 unequal: No Solution Exploring Operation: 41*40=1640, Resulting Numbers: [1640] 1640,70 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 #0,4 Current State: 70:[17, 35, 19], Operations: ['41-22=19'] Exploring Operation: 35-17=18, Resulting Numbers: [19, 18] Generated Node #0,4,0: 70:[19, 18] Operation: 35-17=18 Exploring Operation: 35+19=54, Resulting Numbers: [17, 54] Generated Node #0,4,1: 70:[17, 54] Operation: 35+19=54 Exploring Operation: 19-17=2, Resulting Numbers: [35, 2] Generated Node #0,4,2: 70:[35, 2] Operation: 19-17=2 Exploring Operation: 35-19=16, Resulting Numbers: [17, 16] Generated Node #0,4,3: 70:[17, 16] Operation: 35-19=16 Exploring Operation: 17+19=36, Resulting Numbers: [35, 36] Generated Node #0,4,4: 70:[35, 36] Operation: 17+19=36 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 70:[35, 2], Operations: ['41-22=19', '19-17=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Moving to Node #0 Current State: 70:[17, 35, 41, 22], Operations: [] Exploring Operation: 41-22=19, Resulting Numbers: [17, 35, 19] Generated Node #0,4: 70:[17, 35, 19] Operation: 41-22=19 Moving to Node #0,4 Current State: 70:[17, 35, 19], Operations: ['41-22=19'] Exploring Operation: 19-17=2, Resulting Numbers: [35, 2] Generated Node #0,4,2: 70:[35, 2] Operation: 19-17=2 Moving to Node #0,4,2 Current State: 70:[35, 2], Operations: ['41-22=19', '19-17=2'] Exploring Operation: 35*2=70, Resulting Numbers: [70] 70,70 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.969618
hs_5
mult_heuristic
[ 54, 46, 37, 6 ]
85
[ "54-46=8", "6*8=48", "37+48=85" ]
Current State: 85:[54, 46, 37, 6], Operations: [] Exploring Operation: 54-46=8, Resulting Numbers: [37, 6, 8] Generated Node #2: [37, 6, 8] from Operation: 54-46=8 Current State: 85:[37, 6, 8], Operations: ['54-46=8'] Exploring Operation: 6*8=48, Resulting Numbers: [37, 48] Generated Node #3: [37, 48] from Operation: 6*8=48 Current State: 85:[37, 48], Operations: ['54-46=8', '6*8=48'] Exploring Operation: 37+48=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[54, 46, 37, 6], Operations: [] Exploring Operation: 54+46=100, Resulting Numbers: [37, 6, 100] Generated Node #0,0: 85:[37, 6, 100] Operation: 54+46=100 Exploring Operation: 54-37=17, Resulting Numbers: [46, 6, 17] Generated Node #0,1: 85:[46, 6, 17] Operation: 54-37=17 Exploring Operation: 46+37=83, Resulting Numbers: [54, 6, 83] Generated Node #0,2: 85:[54, 6, 83] Operation: 46+37=83 Exploring Operation: 54-46=8, Resulting Numbers: [37, 6, 8] Generated Node #0,3: 85:[37, 6, 8] Operation: 54-46=8 Moving to Node #0,3 Current State: 85:[37, 6, 8], Operations: ['54-46=8'] Exploring Operation: 6+8=14, Resulting Numbers: [37, 14] Generated Node #0,3,0: 85:[37, 14] Operation: 6+8=14 Exploring Operation: 8-6=2, Resulting Numbers: [37, 2] Generated Node #0,3,1: 85:[37, 2] Operation: 8-6=2 Exploring Operation: 37-8=29, Resulting Numbers: [6, 29] Generated Node #0,3,2: 85:[6, 29] Operation: 37-8=29 Exploring Operation: 37-6=31, Resulting Numbers: [8, 31] Generated Node #0,3,3: 85:[8, 31] Operation: 37-6=31 Moving to Node #0,1 Current State: 85:[46, 6, 17], Operations: ['54-37=17'] Exploring Operation: 46+6=52, Resulting Numbers: [17, 52] Generated Node #0,1,0: 85:[17, 52] Operation: 46+6=52 Exploring Operation: 46-17=29, Resulting Numbers: [6, 29] Generated Node #0,1,1: 85:[6, 29] Operation: 46-17=29 Exploring Operation: 46-6=40, Resulting Numbers: [17, 40] Generated Node #0,1,2: 85:[17, 40] Operation: 46-6=40 Exploring Operation: 46+17=63, Resulting Numbers: [6, 63] Generated Node #0,1,3: 85:[6, 63] Operation: 46+17=63 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 85:[6, 29], Operations: ['54-37=17', '46-17=29'] Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,85 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,85 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:[17, 40], Operations: ['54-37=17', '46-6=40'] Exploring Operation: 40-17=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 17*40=680, Resulting Numbers: [680] 680,85 unequal: No Solution Exploring Operation: 17+40=57, Resulting Numbers: [57] 57,85 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 #0,1,3 Current State: 85:[6, 63], Operations: ['54-37=17', '46+17=63'] Exploring Operation: 6+63=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 6*63=378, Resulting Numbers: [378] 378,85 unequal: No Solution Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 85:[17, 52], Operations: ['54-37=17', '46+6=52'] Exploring Operation: 17+52=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 52-17=35, Resulting Numbers: [35] 35,85 unequal: No Solution Exploring Operation: 17*52=884, Resulting Numbers: [884] 884,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 85:[54, 6, 83], Operations: ['46+37=83'] Exploring Operation: 54+6=60, Resulting Numbers: [83, 60] Generated Node #0,2,0: 85:[83, 60] Operation: 54+6=60 Exploring Operation: 54-6=48, Resulting Numbers: [83, 48] Generated Node #0,2,1: 85:[83, 48] Operation: 54-6=48 Exploring Operation: 54/6=9, Resulting Numbers: [83, 9] Generated Node #0,2,2: 85:[83, 9] Operation: 54/6=9 Exploring Operation: 83-54=29, Resulting Numbers: [6, 29] Generated Node #0,2,3: 85:[6, 29] Operation: 83-54=29 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 85:[83, 9], Operations: ['46+37=83', '54/6=9'] Exploring Operation: 83+9=92, Resulting Numbers: [92] 92,85 unequal: No Solution Exploring Operation: 83-9=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 83*9=747, Resulting Numbers: [747] 747,85 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 #0,2,3 Current State: 85:[6, 29], Operations: ['46+37=83', '83-54=29'] Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,85 unequal: No Solution Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,85 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:[83, 60], Operations: ['46+37=83', '54+6=60'] Exploring Operation: 83+60=143, Resulting Numbers: [143] 143,85 unequal: No Solution Exploring Operation: 83-60=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 83*60=4980, Resulting Numbers: [4980] 4980,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 85:[83, 48], Operations: ['46+37=83', '54-6=48'] Exploring Operation: 83*48=3984, Resulting Numbers: [3984] 3984,85 unequal: No Solution Exploring Operation: 83+48=131, Resulting Numbers: [131] 131,85 unequal: No Solution Exploring Operation: 83-48=35, Resulting Numbers: [35] 35,85 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:[37, 6, 100], Operations: ['54+46=100'] Exploring Operation: 37-6=31, Resulting Numbers: [100, 31] Generated Node #0,0,0: 85:[100, 31] Operation: 37-6=31 Exploring Operation: 100-37=63, Resulting Numbers: [6, 63] Generated Node #0,0,1: 85:[6, 63] Operation: 100-37=63 Exploring Operation: 100-6=94, Resulting Numbers: [37, 94] Generated Node #0,0,2: 85:[37, 94] Operation: 100-6=94 Exploring Operation: 37+6=43, Resulting Numbers: [100, 43] Generated Node #0,0,3: 85:[100, 43] Operation: 37+6=43 Moving to Node #0,3,2 Current State: 85:[6, 29], Operations: ['54-46=8', '37-8=29'] Exploring Operation: 29-6=23, Resulting Numbers: [23] 23,85 unequal: No Solution Exploring Operation: 6*29=174, Resulting Numbers: [174] 174,85 unequal: No Solution Exploring Operation: 6+29=35, Resulting Numbers: [35] 35,85 unequal: No Solution Moving to Node #0,3,3 Current State: 85:[8, 31], Operations: ['54-46=8', '37-6=31'] Exploring Operation: 8+31=39, Resulting Numbers: [39] 39,85 unequal: No Solution Exploring Operation: 8*31=248, Resulting Numbers: [248] 248,85 unequal: No Solution Exploring Operation: 31-8=23, Resulting Numbers: [23] 23,85 unequal: No Solution Moving to Node #0,3,0 Current State: 85:[37, 14], Operations: ['54-46=8', '6+8=14'] Exploring Operation: 37+14=51, Resulting Numbers: [51] 51,85 unequal: No Solution Exploring Operation: 37*14=518, Resulting Numbers: [518] 518,85 unequal: No Solution Exploring Operation: 37-14=23, Resulting Numbers: [23] 23,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[6, 63], Operations: ['54+46=100', '100-37=63'] Exploring Operation: 63-6=57, Resulting Numbers: [57] 57,85 unequal: No Solution Exploring Operation: 6*63=378, Resulting Numbers: [378] 378,85 unequal: No Solution Exploring Operation: 6+63=69, Resulting Numbers: [69] 69,85 unequal: No Solution Moving to Node #0,3,1 Current State: 85:[37, 2], Operations: ['54-46=8', '8-6=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,85 unequal: No Solution Exploring Operation: 37*2=74, Resulting Numbers: [74] 74,85 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[100, 31], Operations: ['54+46=100', '37-6=31'] Exploring Operation: 100+31=131, Resulting Numbers: [131] 131,85 unequal: No Solution Exploring Operation: 100-31=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 100*31=3100, Resulting Numbers: [3100] 3100,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[37, 94], Operations: ['54+46=100', '100-6=94'] Exploring Operation: 37*94=3478, Resulting Numbers: [3478] 3478,85 unequal: No Solution Exploring Operation: 94-37=57, Resulting Numbers: [57] 57,85 unequal: No Solution Exploring Operation: 37+94=131, Resulting Numbers: [131] 131,85 unequal: No Solution Moving to Node #0,0,3 Current State: 85:[100, 43], Operations: ['54+46=100', '37+6=43'] Exploring Operation: 100-43=57, Resulting Numbers: [57] 57,85 unequal: No Solution Exploring Operation: 100*43=4300, Resulting Numbers: [4300] 4300,85 unequal: No Solution Exploring Operation: 100+43=143, Resulting Numbers: [143] 143,85 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 12, 17, 13, 87 ]
20
[ "17-12=5", "13+87=100", "100/5=20" ]
Current State: 20:[12, 17, 13, 87], Operations: [] Exploring Operation: 17-12=5, Resulting Numbers: [13, 87, 5] Generated Node #2: [13, 87, 5] from Operation: 17-12=5 Current State: 20:[13, 87, 5], Operations: ['17-12=5'] Exploring Operation: 13+87=100, Resulting Numbers: [5, 100] Generated Node #3: [5, 100] from Operation: 13+87=100 Current State: 20:[5, 100], Operations: ['17-12=5', '13+87=100'] Exploring Operation: 100/5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[12, 17, 13, 87], Operations: [] Exploring Operation: 87-13=74, Resulting Numbers: [12, 17, 74] Generated Node #0,0: 20:[12, 17, 74] Operation: 87-13=74 Exploring Operation: 87-17=70, Resulting Numbers: [12, 13, 70] Generated Node #0,1: 20:[12, 13, 70] Operation: 87-17=70 Moving to Node #0,1 Current State: 20:[12, 13, 70], Operations: ['87-17=70'] Exploring Operation: 70-13=57, Resulting Numbers: [12, 57] Generated Node #0,1,0: 20:[12, 57] Operation: 70-13=57 Exploring Operation: 70-12=58, Resulting Numbers: [13, 58] Generated Node #0,1,1: 20:[13, 58] Operation: 70-12=58 Moving to Node #0,0 Current State: 20:[12, 17, 74], Operations: ['87-13=74'] Exploring Operation: 74-17=57, Resulting Numbers: [12, 57] Generated Node #0,0,0: 20:[12, 57] Operation: 74-17=57 Exploring Operation: 74-12=62, Resulting Numbers: [17, 62] Generated Node #0,0,1: 20:[17, 62] Operation: 74-12=62 Moving to Node #0,1,0 Current State: 20:[12, 57], Operations: ['87-17=70', '70-13=57'] Exploring Operation: 12+57=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 57-12=45, Resulting Numbers: [45] 45,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[12, 57], Operations: ['87-13=74', '74-17=57'] Exploring Operation: 12+57=69, Resulting Numbers: [69] 69,20 unequal: No Solution Exploring Operation: 57-12=45, Resulting Numbers: [45] 45,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[13, 58], Operations: ['87-17=70', '70-12=58'] Exploring Operation: 58-13=45, Resulting Numbers: [45] 45,20 unequal: No Solution Exploring Operation: 13+58=71, Resulting Numbers: [71] 71,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[17, 62], Operations: ['87-13=74', '74-12=62'] Exploring Operation: 62-17=45, Resulting Numbers: [45] 45,20 unequal: No Solution Exploring Operation: 17+62=79, Resulting Numbers: [79] 79,20 unequal: No Solution No solution found.
0
hs_2
mult_heuristic
[ 52, 30, 42, 11 ]
21
[ "52-30=22", "42*11=462", "462/22=21" ]
Current State: 21:[52, 30, 42, 11], Operations: [] Exploring Operation: 52-30=22, Resulting Numbers: [42, 11, 22] Generated Node #2: [42, 11, 22] from Operation: 52-30=22 Current State: 21:[42, 11, 22], Operations: ['52-30=22'] Exploring Operation: 42*11=462, Resulting Numbers: [22, 462] Generated Node #3: [22, 462] from Operation: 42*11=462 Current State: 21:[22, 462], Operations: ['52-30=22', '42*11=462'] Exploring Operation: 462/22=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[52, 30, 42, 11], Operations: [] Exploring Operation: 52-42=10, Resulting Numbers: [30, 11, 10] Generated Node #0,0: 21:[30, 11, 10] Operation: 52-42=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[30, 11, 10], Operations: ['52-42=10'] Exploring Operation: 30/10=3, Resulting Numbers: [11, 3] Generated Node #0,0,0: 21:[11, 3] Operation: 30/10=3 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[11, 3], Operations: ['52-42=10', '30/10=3'] Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 7, 26, 6, 35 ]
60
[ "26-7=19", "6+35=41", "19+41=60" ]
Current State: 60:[7, 26, 6, 35], Operations: [] Exploring Operation: 26-7=19, Resulting Numbers: [6, 35, 19] Generated Node #2: [6, 35, 19] from Operation: 26-7=19 Current State: 60:[6, 35, 19], Operations: ['26-7=19'] Exploring Operation: 6+35=41, Resulting Numbers: [19, 41] Generated Node #3: [19, 41] from Operation: 6+35=41 Current State: 60:[19, 41], Operations: ['26-7=19', '6+35=41'] Exploring Operation: 19+41=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[7, 26, 6, 35], Operations: [] Exploring Operation: 35/7=5, Resulting Numbers: [26, 6, 5] Generated Node #0,0: 60:[26, 6, 5] Operation: 35/7=5 Exploring Operation: 26+35=61, Resulting Numbers: [7, 6, 61] Generated Node #0,1: 60:[7, 6, 61] Operation: 26+35=61 Exploring Operation: 35-26=9, Resulting Numbers: [7, 6, 9] Generated Node #0,2: 60:[7, 6, 9] Operation: 35-26=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 60:[7, 6, 61], Operations: ['26+35=61'] Exploring Operation: 7-6=1, Resulting Numbers: [61, 1] Generated Node #0,1,0: 60:[61, 1] Operation: 7-6=1 Exploring Operation: 7+6=13, Resulting Numbers: [61, 13] Generated Node #0,1,1: 60:[61, 13] Operation: 7+6=13 Exploring Operation: 61-7=54, Resulting Numbers: [6, 54] Generated Node #0,1,2: 60:[6, 54] Operation: 61-7=54 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 60:[61, 1], Operations: ['26+35=61', '7-6=1'] Exploring Operation: 61*1=61, Resulting Numbers: [61] 61,60 unequal: No Solution Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Moving to Node #0 Current State: 60:[7, 26, 6, 35], Operations: [] Exploring Operation: 26+35=61, Resulting Numbers: [7, 6, 61] Generated Node #0,1: 60:[7, 6, 61] Operation: 26+35=61 Moving to Node #0,1 Current State: 60:[7, 6, 61], Operations: ['26+35=61'] Exploring Operation: 7-6=1, Resulting Numbers: [61, 1] Generated Node #0,1,0: 60:[61, 1] Operation: 7-6=1 Moving to Node #0,1,0 Current State: 60:[61, 1], Operations: ['26+35=61', '7-6=1'] Exploring Operation: 61-1=60, Resulting Numbers: [60] 60,60 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.989583
hs_3
sum_heuristic
[ 50, 55, 29, 63 ]
97
[ "50*55=2750", "63+2750=2813", "2813/29=97" ]
Current State: 97:[50, 55, 29, 63], Operations: [] Exploring Operation: 50*55=2750, Resulting Numbers: [29, 63, 2750] Generated Node #2: [29, 63, 2750] from Operation: 50*55=2750 Current State: 97:[29, 63, 2750], Operations: ['50*55=2750'] Exploring Operation: 63+2750=2813, Resulting Numbers: [29, 2813] Generated Node #3: [29, 2813] from Operation: 63+2750=2813 Current State: 97:[29, 2813], Operations: ['50*55=2750', '63+2750=2813'] Exploring Operation: 2813/29=97, Resulting Numbers: [97] 97,97 equal: Goal Reached
4
Current State: 97:[50, 55, 29, 63], Operations: [] Exploring Operation: 55+29=84, Resulting Numbers: [50, 63, 84] Generated Node #0,0: 97:[50, 63, 84] Operation: 55+29=84 Exploring Operation: 50+29=79, Resulting Numbers: [55, 63, 79] Generated Node #0,1: 97:[55, 63, 79] Operation: 50+29=79 Moving to Node #0,0 Current State: 97:[50, 63, 84], Operations: ['55+29=84'] Exploring Operation: 50+63=113, Resulting Numbers: [84, 113] Generated Node #0,0,0: 97:[84, 113] Operation: 50+63=113 Exploring Operation: 50+84=134, Resulting Numbers: [63, 134] Generated Node #0,0,1: 97:[63, 134] Operation: 50+84=134 Moving to Node #0,1 Current State: 97:[55, 63, 79], Operations: ['50+29=79'] Exploring Operation: 55+79=134, Resulting Numbers: [63, 134] Generated Node #0,1,0: 97:[63, 134] Operation: 55+79=134 Exploring Operation: 55+63=118, Resulting Numbers: [79, 118] Generated Node #0,1,1: 97:[79, 118] Operation: 55+63=118 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 97:[79, 118], Operations: ['50+29=79', '55+63=118'] Exploring Operation: 79+118=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 118-79=39, Resulting Numbers: [39] 39,97 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 97:[63, 134], Operations: ['50+29=79', '55+79=134'] Exploring Operation: 63+134=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 134-63=71, Resulting Numbers: [71] 71,97 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: 97:[84, 113], Operations: ['55+29=84', '50+63=113'] Exploring Operation: 113-84=29, Resulting Numbers: [29] 29,97 unequal: No Solution Exploring Operation: 84+113=197, Resulting Numbers: [197] 197,97 unequal: No Solution Moving to Node #0,0,1 Current State: 97:[63, 134], Operations: ['55+29=84', '50+84=134'] Exploring Operation: 63+134=197, Resulting Numbers: [197] 197,97 unequal: No Solution Exploring Operation: 134-63=71, Resulting Numbers: [71] 71,97 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 90, 2, 3, 55 ]
27
[ "90/3=30", "2+55=57", "57-30=27" ]
Current State: 27:[90, 2, 3, 55], Operations: [] Exploring Operation: 90/3=30, Resulting Numbers: [2, 55, 30] Generated Node #2: [2, 55, 30] from Operation: 90/3=30 Current State: 27:[2, 55, 30], Operations: ['90/3=30'] Exploring Operation: 2+55=57, Resulting Numbers: [30, 57] Generated Node #3: [30, 57] from Operation: 2+55=57 Current State: 27:[30, 57], Operations: ['90/3=30', '2+55=57'] Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[90, 2, 3, 55], Operations: [] Exploring Operation: 90-55=35, Resulting Numbers: [2, 3, 35] Generated Node #0,0: 27:[2, 3, 35] Operation: 90-55=35 Exploring Operation: 90/3=30, Resulting Numbers: [2, 55, 30] Generated Node #0,1: 27:[2, 55, 30] Operation: 90/3=30 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[2, 3, 35], Operations: ['90-55=35'] Exploring Operation: 35-2=33, Resulting Numbers: [3, 33] Generated Node #0,0,0: 27:[3, 33] Operation: 35-2=33 Exploring Operation: 35-3=32, Resulting Numbers: [2, 32] Generated Node #0,0,1: 27:[2, 32] Operation: 35-3=32 Moving to Node #0,0,0 Current State: 27:[3, 33], Operations: ['90-55=35', '35-2=33'] Exploring Operation: 33/3=11, Resulting Numbers: [11] 11,27 unequal: No Solution Exploring Operation: 33-3=30, Resulting Numbers: [30] 30,27 unequal: No Solution Moving to Node #0,0,1 Current State: 27:[2, 32], Operations: ['90-55=35', '35-3=32'] Exploring Operation: 32-2=30, Resulting Numbers: [30] 30,27 unequal: No Solution Exploring Operation: 2+32=34, Resulting Numbers: [34] 34,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[2, 55, 30], Operations: ['90/3=30'] Exploring Operation: 55-30=25, Resulting Numbers: [2, 25] Generated Node #0,1,0: 27:[2, 25] Operation: 55-30=25 Exploring Operation: 55-2=53, Resulting Numbers: [30, 53] Generated Node #0,1,1: 27:[30, 53] Operation: 55-2=53 Moving to Node #0,1,0 Current State: 27:[2, 25], Operations: ['90/3=30', '55-30=25'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,27 unequal: No Solution Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Moving to Node #0 Current State: 27:[90, 2, 3, 55], Operations: [] Exploring Operation: 90/3=30, Resulting Numbers: [2, 55, 30] Generated Node #0,1: 27:[2, 55, 30] Operation: 90/3=30 Moving to Node #0,1 Current State: 27:[2, 55, 30], Operations: ['90/3=30'] Exploring Operation: 55-30=25, Resulting Numbers: [2, 25] Generated Node #0,1,0: 27:[2, 25] Operation: 55-30=25 Moving to Node #0,1,0 Current State: 27:[2, 25], Operations: ['90/3=30', '55-30=25'] Exploring Operation: 2+25=27, Resulting Numbers: [27] 27,27 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_2
sum_heuristic
[ 53, 81, 8, 18 ]
19
[ "53+81=134", "18+134=152", "152/8=19" ]
Current State: 19:[53, 81, 8, 18], Operations: [] Exploring Operation: 53+81=134, Resulting Numbers: [8, 18, 134] Generated Node #2: [8, 18, 134] from Operation: 53+81=134 Current State: 19:[8, 18, 134], Operations: ['53+81=134'] Exploring Operation: 18+134=152, Resulting Numbers: [8, 152] Generated Node #3: [8, 152] from Operation: 18+134=152 Current State: 19:[8, 152], Operations: ['53+81=134', '18+134=152'] Exploring Operation: 152/8=19, Resulting Numbers: [19] 19,19 equal: Goal Reached
4
Current State: 19:[53, 81, 8, 18], Operations: [] Exploring Operation: 53-8=45, Resulting Numbers: [81, 18, 45] Generated Node #0,0: 19:[81, 18, 45] Operation: 53-8=45 Exploring Operation: 81-53=28, Resulting Numbers: [8, 18, 28] Generated Node #0,1: 19:[8, 18, 28] Operation: 81-53=28 Start Sub Search at level 1: Moving to Node #0,1 Current State: 19:[8, 18, 28], Operations: ['81-53=28'] Exploring Operation: 8+18=26, Resulting Numbers: [28, 26] Generated Node #0,1,0: 19:[28, 26] Operation: 8+18=26 Exploring Operation: 28-8=20, Resulting Numbers: [18, 20] Generated Node #0,1,1: 19:[18, 20] Operation: 28-8=20 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 19:[18, 20], Operations: ['81-53=28', '28-8=20'] Exploring Operation: 18+20=38, Resulting Numbers: [38] 38,19 unequal: No Solution Exploring Operation: 20-18=2, Resulting Numbers: [2] 2,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 19:[28, 26], Operations: ['81-53=28', '8+18=26'] Exploring Operation: 28+26=54, Resulting Numbers: [54] 54,19 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 19:[81, 18, 45], Operations: ['53-8=45'] Exploring Operation: 81-45=36, Resulting Numbers: [18, 36] Generated Node #0,0,0: 19:[18, 36] Operation: 81-45=36 Exploring Operation: 81-18=63, Resulting Numbers: [45, 63] Generated Node #0,0,1: 19:[45, 63] Operation: 81-18=63 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 19:[18, 36], Operations: ['53-8=45', '81-45=36'] Exploring Operation: 36-18=18, Resulting Numbers: [18] 18,19 unequal: No Solution Exploring Operation: 36/18=2, Resulting Numbers: [2] 2,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 19:[45, 63], Operations: ['53-8=45', '81-18=63'] Exploring Operation: 45+63=108, Resulting Numbers: [108] 108,19 unequal: No Solution Exploring Operation: 63-45=18, Resulting Numbers: [18] 18,19 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 70, 35, 19, 31 ]
85
[ "70-35=35", "19+31=50", "35+50=85" ]
Current State: 85:[70, 35, 19, 31], Operations: [] Exploring Operation: 70-35=35, Resulting Numbers: [19, 31, 35] Generated Node #2: [19, 31, 35] from Operation: 70-35=35 Current State: 85:[19, 31, 35], Operations: ['70-35=35'] Exploring Operation: 19+31=50, Resulting Numbers: [35, 50] Generated Node #3: [35, 50] from Operation: 19+31=50 Current State: 85:[35, 50], Operations: ['70-35=35', '19+31=50'] Exploring Operation: 35+50=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[70, 35, 19, 31], Operations: [] Exploring Operation: 35-31=4, Resulting Numbers: [70, 19, 4] Generated Node #0,0: 85:[70, 19, 4] Operation: 35-31=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 85:[70, 19, 4], Operations: ['35-31=4'] Exploring Operation: 70+19=89, Resulting Numbers: [4, 89] Generated Node #0,0,0: 85:[4, 89] Operation: 70+19=89 Moving to Node #0,0,0 Current State: 85:[4, 89], Operations: ['35-31=4', '70+19=89'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[70, 35, 19, 31], Operations: [] Exploring Operation: 35-31=4, Resulting Numbers: [70, 19, 4] Generated Node #0,0: 85:[70, 19, 4] Operation: 35-31=4 Moving to Node #0,0 Current State: 85:[70, 19, 4], Operations: ['35-31=4'] Exploring Operation: 70+19=89, Resulting Numbers: [4, 89] Generated Node #0,0,0: 85:[4, 89] Operation: 70+19=89 Moving to Node #0,0,0 Current State: 85:[4, 89], Operations: ['35-31=4', '70+19=89'] Exploring Operation: 89-4=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
mult_heuristic
[ 41, 82, 35, 16 ]
38
[ "82/41=2", "35-16=19", "2*19=38" ]
Current State: 38:[41, 82, 35, 16], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [35, 16, 2] Generated Node #2: [35, 16, 2] from Operation: 82/41=2 Current State: 38:[35, 16, 2], Operations: ['82/41=2'] Exploring Operation: 35-16=19, Resulting Numbers: [2, 19] Generated Node #3: [2, 19] from Operation: 35-16=19 Current State: 38:[2, 19], Operations: ['82/41=2', '35-16=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached
4
Current State: 38:[41, 82, 35, 16], Operations: [] Exploring Operation: 82-41=41, Resulting Numbers: [35, 16, 41] Generated Node #0,0: 38:[35, 16, 41] Operation: 82-41=41 Exploring Operation: 82-16=66, Resulting Numbers: [41, 35, 66] Generated Node #0,1: 38:[41, 35, 66] Operation: 82-16=66 Exploring Operation: 82-35=47, Resulting Numbers: [41, 16, 47] Generated Node #0,2: 38:[41, 16, 47] Operation: 82-35=47 Exploring Operation: 82/41=2, Resulting Numbers: [35, 16, 2] Generated Node #0,3: 38:[35, 16, 2] Operation: 82/41=2 Moving to Node #0,3 Current State: 38:[35, 16, 2], Operations: ['82/41=2'] Exploring Operation: 35+2=37, Resulting Numbers: [16, 37] Generated Node #0,3,0: 38:[16, 37] Operation: 35+2=37 Exploring Operation: 35-16=19, Resulting Numbers: [2, 19] Generated Node #0,3,1: 38:[2, 19] Operation: 35-16=19 Exploring Operation: 35-2=33, Resulting Numbers: [16, 33] Generated Node #0,3,2: 38:[16, 33] Operation: 35-2=33 Exploring Operation: 16+2=18, Resulting Numbers: [35, 18] Generated Node #0,3,3: 38:[35, 18] Operation: 16+2=18 Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 38:[2, 19], Operations: ['82/41=2', '35-16=19'] Exploring Operation: 2+19=21, Resulting Numbers: [21] 21,38 unequal: No Solution Exploring Operation: 19-2=17, Resulting Numbers: [17] 17,38 unequal: No Solution Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Moving to Node #0 Current State: 38:[41, 82, 35, 16], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [35, 16, 2] Generated Node #0,3: 38:[35, 16, 2] Operation: 82/41=2 Moving to Node #0,3 Current State: 38:[35, 16, 2], Operations: ['82/41=2'] Exploring Operation: 35-16=19, Resulting Numbers: [2, 19] Generated Node #0,3,1: 38:[2, 19] Operation: 35-16=19 Moving to Node #0,3,1 Current State: 38:[2, 19], Operations: ['82/41=2', '35-16=19'] Exploring Operation: 2*19=38, Resulting Numbers: [38] 38,38 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 73, 96, 85, 99 ]
15
[ "73+96=169", "85+99=184", "184-169=15" ]
Current State: 15:[73, 96, 85, 99], Operations: [] Exploring Operation: 73+96=169, Resulting Numbers: [85, 99, 169] Generated Node #2: [85, 99, 169] from Operation: 73+96=169 Current State: 15:[85, 99, 169], Operations: ['73+96=169'] Exploring Operation: 85+99=184, Resulting Numbers: [169, 184] Generated Node #3: [169, 184] from Operation: 85+99=184 Current State: 15:[169, 184], Operations: ['73+96=169', '85+99=184'] Exploring Operation: 184-169=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[73, 96, 85, 99], Operations: [] Exploring Operation: 99-96=3, Resulting Numbers: [73, 85, 3] Generated Node #0,0: 15:[73, 85, 3] Operation: 99-96=3 Exploring Operation: 96-73=23, Resulting Numbers: [85, 99, 23] Generated Node #0,1: 15:[85, 99, 23] Operation: 96-73=23 Exploring Operation: 96-85=11, Resulting Numbers: [73, 99, 11] Generated Node #0,2: 15:[73, 99, 11] Operation: 96-85=11 Exploring Operation: 99-85=14, Resulting Numbers: [73, 96, 14] Generated Node #0,3: 15:[73, 96, 14] Operation: 99-85=14 Exploring Operation: 99-73=26, Resulting Numbers: [96, 85, 26] Generated Node #0,4: 15:[96, 85, 26] Operation: 99-73=26 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[73, 85, 3], Operations: ['99-96=3'] Exploring Operation: 85-3=82, Resulting Numbers: [73, 82] Generated Node #0,0,0: 15:[73, 82] Operation: 85-3=82 Exploring Operation: 85-73=12, Resulting Numbers: [3, 12] Generated Node #0,0,1: 15:[3, 12] Operation: 85-73=12 Exploring Operation: 73+3=76, Resulting Numbers: [85, 76] Generated Node #0,0,2: 15:[85, 76] Operation: 73+3=76 Exploring Operation: 73-3=70, Resulting Numbers: [85, 70] Generated Node #0,0,3: 15:[85, 70] Operation: 73-3=70 Exploring Operation: 85+3=88, Resulting Numbers: [73, 88] Generated Node #0,0,4: 15:[73, 88] Operation: 85+3=88 Moving to Node #0,0,1 Current State: 15:[3, 12], Operations: ['99-96=3', '85-73=12'] Exploring Operation: 12/3=4, Resulting Numbers: [4] 4,15 unequal: No Solution Exploring Operation: 3*12=36, Resulting Numbers: [36] 36,15 unequal: No Solution Exploring Operation: 12-3=9, Resulting Numbers: [9] 9,15 unequal: No Solution Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[73, 96, 85, 99], Operations: [] Exploring Operation: 99-96=3, Resulting Numbers: [73, 85, 3] Generated Node #0,0: 15:[73, 85, 3] Operation: 99-96=3 Moving to Node #0,0 Current State: 15:[73, 85, 3], Operations: ['99-96=3'] Exploring Operation: 85-73=12, Resulting Numbers: [3, 12] Generated Node #0,0,1: 15:[3, 12] Operation: 85-73=12 Moving to Node #0,0,1 Current State: 15:[3, 12], Operations: ['99-96=3', '85-73=12'] Exploring Operation: 3+12=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_5
mult_heuristic
[ 27, 30, 28, 82 ]
60
[ "82-28=54", "54/27=2", "30*2=60" ]
Current State: 60:[27, 30, 28, 82], Operations: [] Exploring Operation: 82-28=54, Resulting Numbers: [27, 30, 54] Generated Node #2: [27, 30, 54] from Operation: 82-28=54 Current State: 60:[27, 30, 54], Operations: ['82-28=54'] Exploring Operation: 54/27=2, Resulting Numbers: [30, 2] Generated Node #3: [30, 2] from Operation: 54/27=2 Current State: 60:[30, 2], Operations: ['82-28=54', '54/27=2'] Exploring Operation: 30*2=60, Resulting Numbers: [60] 60,60 equal: Goal Reached
4
Current State: 60:[27, 30, 28, 82], Operations: [] Exploring Operation: 82-27=55, Resulting Numbers: [30, 28, 55] Generated Node #0,0: 60:[30, 28, 55] Operation: 82-27=55 Start Sub Search at level 1: Moving to Node #0,0 Current State: 60:[30, 28, 55], Operations: ['82-27=55'] Exploring Operation: 55-28=27, Resulting Numbers: [30, 27] Generated Node #0,0,0: 60:[30, 27] Operation: 55-28=27 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 60:[30, 27], Operations: ['82-27=55', '55-28=27'] Exploring Operation: 30-27=3, Resulting Numbers: [3] 3,60 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 45, 33, 27, 45 ]
30
[ "45-33=12", "45-27=18", "12+18=30" ]
Current State: 30:[45, 33, 27, 45], Operations: [] Exploring Operation: 45-33=12, Resulting Numbers: [27, 12] Generated Node #2: [27, 12] from Operation: 45-33=12 Current State: 30:[27, 12], Operations: ['45-33=12'] Exploring Operation: 45-27=18, Resulting Numbers: [12, 18] Generated Node #3: [12, 18] from Operation: 45-27=18 Current State: 30:[12, 18], Operations: ['45-33=12', '45-27=18'] Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[45, 33, 27, 45], Operations: [] Exploring Operation: 45-33=12, Resulting Numbers: [27, 45, 12] Generated Node #0,0: 30:[27, 45, 12] Operation: 45-33=12 Exploring Operation: 45-45=0, Resulting Numbers: [33, 27, 0] Generated Node #0,1: 30:[33, 27, 0] Operation: 45-45=0 Exploring Operation: 45/45=1, Resulting Numbers: [33, 27, 1] Generated Node #0,2: 30:[33, 27, 1] Operation: 45/45=1 Exploring Operation: 45-33=12, Resulting Numbers: [45, 27, 12] Generated Node #0,3: 30:[45, 27, 12] Operation: 45-33=12 Moving to Node #0,2 Current State: 30:[33, 27, 1], Operations: ['45/45=1'] Exploring Operation: 33-27=6, Resulting Numbers: [1, 6] Generated Node #0,2,0: 30:[1, 6] Operation: 33-27=6 Exploring Operation: 27+1=28, Resulting Numbers: [33, 28] Generated Node #0,2,1: 30:[33, 28] Operation: 27+1=28 Exploring Operation: 33-1=32, Resulting Numbers: [27, 32] Generated Node #0,2,2: 30:[27, 32] Operation: 33-1=32 Exploring Operation: 33*1=33, Resulting Numbers: [27, 33] Generated Node #0,2,3: 30:[27, 33] Operation: 33*1=33 Moving to Node #0,1 Current State: 30:[33, 27, 0], Operations: ['45-45=0'] Exploring Operation: 27*0=0, Resulting Numbers: [33, 0] Generated Node #0,1,0: 30:[33, 0] Operation: 27*0=0 Exploring Operation: 33-27=6, Resulting Numbers: [0, 6] Generated Node #0,1,1: 30:[0, 6] Operation: 33-27=6 Exploring Operation: 33*0=0, Resulting Numbers: [27, 0] Generated Node #0,1,2: 30:[27, 0] Operation: 33*0=0 Exploring Operation: 33+0=33, Resulting Numbers: [27, 33] Generated Node #0,1,3: 30:[27, 33] Operation: 33+0=33 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 30:[0, 6], Operations: ['45-45=0', '33-27=6'] Exploring Operation: 0+6=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 0*6=0, Resulting Numbers: [0] 0,30 unequal: No Solution Exploring Operation: 6-0=6, Resulting Numbers: [6] 6,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[33, 0], Operations: ['45-45=0', '27*0=0'] Exploring Operation: 33-0=33, Resulting Numbers: [33] 33,30 unequal: No Solution Exploring Operation: 33*0=0, Resulting Numbers: [0] 0,30 unequal: No Solution Exploring Operation: 33+0=33, Resulting Numbers: [33] 33,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 30:[27, 0], Operations: ['45-45=0', '33*0=0'] Exploring Operation: 27-0=27, Resulting Numbers: [27] 27,30 unequal: No Solution Exploring Operation: 27*0=0, Resulting Numbers: [0] 0,30 unequal: No Solution Exploring Operation: 27+0=27, Resulting Numbers: [27] 27,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 30:[27, 33], Operations: ['45-45=0', '33+0=33'] Exploring Operation: 27*33=891, Resulting Numbers: [891] 891,30 unequal: No Solution Exploring Operation: 27+33=60, Resulting Numbers: [60] 60,30 unequal: No Solution Exploring Operation: 33-27=6, Resulting Numbers: [6] 6,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 30:[45, 27, 12], Operations: ['45-33=12'] Exploring Operation: 27-12=15, Resulting Numbers: [45, 15] Generated Node #0,3,0: 30:[45, 15] Operation: 27-12=15 Exploring Operation: 45-12=33, Resulting Numbers: [27, 33] Generated Node #0,3,1: 30:[27, 33] Operation: 45-12=33 Exploring Operation: 45-27=18, Resulting Numbers: [12, 18] Generated Node #0,3,2: 30:[12, 18] Operation: 45-27=18 Exploring Operation: 27+12=39, Resulting Numbers: [45, 39] Generated Node #0,3,3: 30:[45, 39] Operation: 27+12=39 Moving to Node #0,0 Current State: 30:[27, 45, 12], Operations: ['45-33=12'] Exploring Operation: 45-27=18, Resulting Numbers: [12, 18] Generated Node #0,0,0: 30:[12, 18] Operation: 45-27=18 Exploring Operation: 27-12=15, Resulting Numbers: [45, 15] Generated Node #0,0,1: 30:[45, 15] Operation: 27-12=15 Exploring Operation: 27+12=39, Resulting Numbers: [45, 39] Generated Node #0,0,2: 30:[45, 39] Operation: 27+12=39 Exploring Operation: 45-12=33, Resulting Numbers: [27, 33] Generated Node #0,0,3: 30:[27, 33] Operation: 45-12=33 Moving to Node #0,2,0 Current State: 30:[1, 6], Operations: ['45/45=1', '33-27=6'] Exploring Operation: 1*6=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 6-1=5, Resulting Numbers: [5] 5,30 unequal: No Solution Exploring Operation: 1+6=7, Resulting Numbers: [7] 7,30 unequal: No Solution Exploring Operation: 6/1=6, Resulting Numbers: [6] 6,30 unequal: No Solution Moving to Node #0,2,2 Current State: 30:[27, 32], Operations: ['45/45=1', '33-1=32'] Exploring Operation: 32-27=5, Resulting Numbers: [5] 5,30 unequal: No Solution Exploring Operation: 27+32=59, Resulting Numbers: [59] 59,30 unequal: No Solution Exploring Operation: 27*32=864, Resulting Numbers: [864] 864,30 unequal: No Solution Moving to Node #0,2,1 Current State: 30:[33, 28], Operations: ['45/45=1', '27+1=28'] Exploring Operation: 33*28=924, Resulting Numbers: [924] 924,30 unequal: No Solution Exploring Operation: 33+28=61, Resulting Numbers: [61] 61,30 unequal: No Solution Exploring Operation: 33-28=5, Resulting Numbers: [5] 5,30 unequal: No Solution Moving to Node #0,3,2 Current State: 30:[12, 18], Operations: ['45-33=12', '45-27=18'] Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,30 unequal: No Solution Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[45, 33, 27, 45], Operations: [] Exploring Operation: 45-33=12, Resulting Numbers: [45, 27, 12] Generated Node #0,3: 30:[45, 27, 12] Operation: 45-33=12 Moving to Node #0,3 Current State: 30:[45, 27, 12], Operations: ['45-33=12'] Exploring Operation: 45-27=18, Resulting Numbers: [12, 18] Generated Node #0,3,2: 30:[12, 18] Operation: 45-27=18 Moving to Node #0,3,2 Current State: 30:[12, 18], Operations: ['45-33=12', '45-27=18'] Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
0.958333
hs_4
sum_heuristic
[ 20, 68, 30, 4 ]
90
[ "68/4=17", "20-17=3", "30*3=90" ]
Current State: 90:[20, 68, 30, 4], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [20, 30, 17] Generated Node #2: [20, 30, 17] from Operation: 68/4=17 Current State: 90:[20, 30, 17], Operations: ['68/4=17'] Exploring Operation: 20-17=3, Resulting Numbers: [30, 3] Generated Node #3: [30, 3] from Operation: 20-17=3 Current State: 90:[30, 3], Operations: ['68/4=17', '20-17=3'] Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[20, 68, 30, 4], Operations: [] Exploring Operation: 20+68=88, Resulting Numbers: [30, 4, 88] Generated Node #0,0: 90:[30, 4, 88] Operation: 20+68=88 Exploring Operation: 68/4=17, Resulting Numbers: [20, 30, 17] Generated Node #0,1: 90:[20, 30, 17] Operation: 68/4=17 Exploring Operation: 68-20=48, Resulting Numbers: [30, 4, 48] Generated Node #0,2: 90:[30, 4, 48] Operation: 68-20=48 Start Sub Search at level 1: Moving to Node #0,0 Current State: 90:[30, 4, 88], Operations: ['20+68=88'] Exploring Operation: 30+4=34, Resulting Numbers: [88, 34] Generated Node #0,0,0: 90:[88, 34] Operation: 30+4=34 Exploring Operation: 88/4=22, Resulting Numbers: [30, 22] Generated Node #0,0,1: 90:[30, 22] Operation: 88/4=22 Exploring Operation: 4+88=92, Resulting Numbers: [30, 92] Generated Node #0,0,2: 90:[30, 92] Operation: 4+88=92 Moving to Node #0,0,2 Current State: 90:[30, 92], Operations: ['20+68=88', '4+88=92'] Exploring Operation: 92-30=62, Resulting Numbers: [62] 62,90 unequal: No Solution Exploring Operation: 30+92=122, Resulting Numbers: [122] 122,90 unequal: No Solution Exploring Operation: 30*92=2760, Resulting Numbers: [2760] 2760,90 unequal: No Solution Moving to Node #0,0,1 Current State: 90:[30, 22], Operations: ['20+68=88', '88/4=22'] Exploring Operation: 30-22=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 30+22=52, Resulting Numbers: [52] 52,90 unequal: No Solution Exploring Operation: 30*22=660, Resulting Numbers: [660] 660,90 unequal: No Solution Moving to Node #0,0,0 Current State: 90:[88, 34], Operations: ['20+68=88', '30+4=34'] Exploring Operation: 88*34=2992, Resulting Numbers: [2992] 2992,90 unequal: No Solution Exploring Operation: 88-34=54, Resulting Numbers: [54] 54,90 unequal: No Solution Exploring Operation: 88+34=122, Resulting Numbers: [122] 122,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[20, 30, 17], Operations: ['68/4=17'] Exploring Operation: 30+17=47, Resulting Numbers: [20, 47] Generated Node #0,1,0: 90:[20, 47] Operation: 30+17=47 Exploring Operation: 30-20=10, Resulting Numbers: [17, 10] Generated Node #0,1,1: 90:[17, 10] Operation: 30-20=10 Exploring Operation: 20-17=3, Resulting Numbers: [30, 3] Generated Node #0,1,2: 90:[30, 3] Operation: 20-17=3 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 90:[30, 3], Operations: ['68/4=17', '20-17=3'] Exploring Operation: 30/3=10, Resulting Numbers: [10] 10,90 unequal: No Solution Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[20, 68, 30, 4], Operations: [] Exploring Operation: 68/4=17, Resulting Numbers: [20, 30, 17] Generated Node #0,1: 90:[20, 30, 17] Operation: 68/4=17 Moving to Node #0,1 Current State: 90:[20, 30, 17], Operations: ['68/4=17'] Exploring Operation: 20-17=3, Resulting Numbers: [30, 3] Generated Node #0,1,2: 90:[30, 3] Operation: 20-17=3 Moving to Node #0,1,2 Current State: 90:[30, 3], Operations: ['68/4=17', '20-17=3'] Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.978299
hs_3
sum_heuristic
[ 58, 64, 42, 10 ]
46
[ "64-58=6", "42+10=52", "52-6=46" ]
Current State: 46:[58, 64, 42, 10], Operations: [] Exploring Operation: 64-58=6, Resulting Numbers: [42, 10, 6] Generated Node #2: [42, 10, 6] from Operation: 64-58=6 Current State: 46:[42, 10, 6], Operations: ['64-58=6'] Exploring Operation: 42+10=52, Resulting Numbers: [6, 52] Generated Node #3: [6, 52] from Operation: 42+10=52 Current State: 46:[6, 52], Operations: ['64-58=6', '42+10=52'] Exploring Operation: 52-6=46, Resulting Numbers: [46] 46,46 equal: Goal Reached
4
Current State: 46:[58, 64, 42, 10], Operations: [] Exploring Operation: 64-42=22, Resulting Numbers: [58, 10, 22] Generated Node #0,0: 46:[58, 10, 22] Operation: 64-42=22 Exploring Operation: 64-58=6, Resulting Numbers: [42, 10, 6] Generated Node #0,1: 46:[42, 10, 6] Operation: 64-58=6 Start Sub Search at level 1: Moving to Node #0,1 Current State: 46:[42, 10, 6], Operations: ['64-58=6'] Exploring Operation: 10-6=4, Resulting Numbers: [42, 4] Generated Node #0,1,0: 46:[42, 4] Operation: 10-6=4 Exploring Operation: 42+10=52, Resulting Numbers: [6, 52] Generated Node #0,1,1: 46:[6, 52] Operation: 42+10=52 Moving to Node #0,1,0 Current State: 46:[42, 4], Operations: ['64-58=6', '10-6=4'] Exploring Operation: 42-4=38, Resulting Numbers: [38] 38,46 unequal: No Solution Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Moving to Node #0 Current State: 46:[58, 64, 42, 10], Operations: [] Exploring Operation: 64-58=6, Resulting Numbers: [42, 10, 6] Generated Node #0,1: 46:[42, 10, 6] Operation: 64-58=6 Moving to Node #0,1 Current State: 46:[42, 10, 6], Operations: ['64-58=6'] Exploring Operation: 10-6=4, Resulting Numbers: [42, 4] Generated Node #0,1,0: 46:[42, 4] Operation: 10-6=4 Moving to Node #0,1,0 Current State: 46:[42, 4], Operations: ['64-58=6', '10-6=4'] Exploring Operation: 42+4=46, Resulting Numbers: [46] 46,46 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
mult_heuristic
[ 65, 38, 35, 36 ]
15
[ "65-35=30", "38-36=2", "30/2=15" ]
Current State: 15:[65, 38, 35, 36], Operations: [] Exploring Operation: 65-35=30, Resulting Numbers: [38, 36, 30] Generated Node #2: [38, 36, 30] from Operation: 65-35=30 Current State: 15:[38, 36, 30], Operations: ['65-35=30'] Exploring Operation: 38-36=2, Resulting Numbers: [30, 2] Generated Node #3: [30, 2] from Operation: 38-36=2 Current State: 15:[30, 2], Operations: ['65-35=30', '38-36=2'] Exploring Operation: 30/2=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[65, 38, 35, 36], Operations: [] Exploring Operation: 65-38=27, Resulting Numbers: [35, 36, 27] Generated Node #0,0: 15:[35, 36, 27] Operation: 65-38=27 Exploring Operation: 65-36=29, Resulting Numbers: [38, 35, 29] Generated Node #0,1: 15:[38, 35, 29] Operation: 65-36=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 15:[35, 36, 27], Operations: ['65-38=27'] Exploring Operation: 35-27=8, Resulting Numbers: [36, 8] Generated Node #0,0,0: 15:[36, 8] Operation: 35-27=8 Exploring Operation: 36-35=1, Resulting Numbers: [27, 1] Generated Node #0,0,1: 15:[27, 1] Operation: 36-35=1 Moving to Node #0,0,1 Current State: 15:[27, 1], Operations: ['65-38=27', '36-35=1'] Exploring Operation: 27*1=27, Resulting Numbers: [27] 27,15 unequal: No Solution Exploring Operation: 27-1=26, Resulting Numbers: [26] 26,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[36, 8], Operations: ['65-38=27', '35-27=8'] Exploring Operation: 36-8=28, Resulting Numbers: [28] 28,15 unequal: No Solution Exploring Operation: 36+8=44, Resulting Numbers: [44] 44,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[38, 35, 29], Operations: ['65-36=29'] Exploring Operation: 38-29=9, Resulting Numbers: [35, 9] Generated Node #0,1,0: 15:[35, 9] Operation: 38-29=9 Exploring Operation: 38-35=3, Resulting Numbers: [29, 3] Generated Node #0,1,1: 15:[29, 3] Operation: 38-35=3 Moving to Node #0,1,1 Current State: 15:[29, 3], Operations: ['65-36=29', '38-35=3'] Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,15 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,15 unequal: No Solution Moving to Node #0,1,0 Current State: 15:[35, 9], Operations: ['65-36=29', '38-29=9'] Exploring Operation: 35+9=44, Resulting Numbers: [44] 44,15 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,15 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 88, 99, 57, 2 ]
65
[ "88+99=187", "187-57=130", "130/2=65" ]
Current State: 65:[88, 99, 57, 2], Operations: [] Exploring Operation: 88+99=187, Resulting Numbers: [57, 2, 187] Generated Node #2: [57, 2, 187] from Operation: 88+99=187 Current State: 65:[57, 2, 187], Operations: ['88+99=187'] Exploring Operation: 187-57=130, Resulting Numbers: [2, 130] Generated Node #3: [2, 130] from Operation: 187-57=130 Current State: 65:[2, 130], Operations: ['88+99=187', '187-57=130'] Exploring Operation: 130/2=65, Resulting Numbers: [65] 65,65 equal: Goal Reached
4
Current State: 65:[88, 99, 57, 2], Operations: [] Exploring Operation: 99-88=11, Resulting Numbers: [57, 2, 11] Generated Node #0,0: 65:[57, 2, 11] Operation: 99-88=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 65:[57, 2, 11], Operations: ['99-88=11'] Exploring Operation: 57+11=68, Resulting Numbers: [2, 68] Generated Node #0,0,0: 65:[2, 68] Operation: 57+11=68 Moving to Node #0,0,0 Current State: 65:[2, 68], Operations: ['99-88=11', '57+11=68'] Exploring Operation: 68-2=66, Resulting Numbers: [66] 66,65 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 68, 31, 30, 2 ]
90
[ "68/2=34", "34-31=3", "30*3=90" ]
Current State: 90:[68, 31, 30, 2], Operations: [] Exploring Operation: 68/2=34, Resulting Numbers: [31, 30, 34] Generated Node #2: [31, 30, 34] from Operation: 68/2=34 Current State: 90:[31, 30, 34], Operations: ['68/2=34'] Exploring Operation: 34-31=3, Resulting Numbers: [30, 3] Generated Node #3: [30, 3] from Operation: 34-31=3 Current State: 90:[30, 3], Operations: ['68/2=34', '34-31=3'] Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[68, 31, 30, 2], Operations: [] Exploring Operation: 68-30=38, Resulting Numbers: [31, 2, 38] Generated Node #0,0: 90:[31, 2, 38] Operation: 68-30=38 Exploring Operation: 68/2=34, Resulting Numbers: [31, 30, 34] Generated Node #0,1: 90:[31, 30, 34] Operation: 68/2=34 Exploring Operation: 68+31=99, Resulting Numbers: [30, 2, 99] Generated Node #0,2: 90:[30, 2, 99] Operation: 68+31=99 Exploring Operation: 68-31=37, Resulting Numbers: [30, 2, 37] Generated Node #0,3: 90:[30, 2, 37] Operation: 68-31=37 Moving to Node #0,1 Current State: 90:[31, 30, 34], Operations: ['68/2=34'] Exploring Operation: 31+30=61, Resulting Numbers: [34, 61] Generated Node #0,1,0: 90:[34, 61] Operation: 31+30=61 Exploring Operation: 34-30=4, Resulting Numbers: [31, 4] Generated Node #0,1,1: 90:[31, 4] Operation: 34-30=4 Exploring Operation: 31-30=1, Resulting Numbers: [34, 1] Generated Node #0,1,2: 90:[34, 1] Operation: 31-30=1 Exploring Operation: 34-31=3, Resulting Numbers: [30, 3] Generated Node #0,1,3: 90:[30, 3] Operation: 34-31=3 Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 90:[30, 3], Operations: ['68/2=34', '34-31=3'] Exploring Operation: 30+3=33, Resulting Numbers: [33] 33,90 unequal: No Solution Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[68, 31, 30, 2], Operations: [] Exploring Operation: 68/2=34, Resulting Numbers: [31, 30, 34] Generated Node #0,1: 90:[31, 30, 34] Operation: 68/2=34 Moving to Node #0,1 Current State: 90:[31, 30, 34], Operations: ['68/2=34'] Exploring Operation: 34-31=3, Resulting Numbers: [30, 3] Generated Node #0,1,3: 90:[30, 3] Operation: 34-31=3 Moving to Node #0,1,3 Current State: 90:[30, 3], Operations: ['68/2=34', '34-31=3'] Exploring Operation: 30*3=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
sum_heuristic
[ 12, 26, 68, 27 ]
81
[ "26-12=14", "68+27=95", "95-14=81" ]
Current State: 81:[12, 26, 68, 27], Operations: [] Exploring Operation: 26-12=14, Resulting Numbers: [68, 27, 14] Generated Node #2: [68, 27, 14] from Operation: 26-12=14 Current State: 81:[68, 27, 14], Operations: ['26-12=14'] Exploring Operation: 68+27=95, Resulting Numbers: [14, 95] Generated Node #3: [14, 95] from Operation: 68+27=95 Current State: 81:[14, 95], Operations: ['26-12=14', '68+27=95'] Exploring Operation: 95-14=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[12, 26, 68, 27], Operations: [] Exploring Operation: 26+68=94, Resulting Numbers: [12, 27, 94] Generated Node #0,0: 81:[12, 27, 94] Operation: 26+68=94 Exploring Operation: 27-26=1, Resulting Numbers: [12, 68, 1] Generated Node #0,1: 81:[12, 68, 1] Operation: 27-26=1 Exploring Operation: 68-26=42, Resulting Numbers: [12, 27, 42] Generated Node #0,2: 81:[12, 27, 42] Operation: 68-26=42 Exploring Operation: 26-12=14, Resulting Numbers: [68, 27, 14] Generated Node #0,3: 81:[68, 27, 14] Operation: 26-12=14 Exploring Operation: 12+68=80, Resulting Numbers: [26, 27, 80] Generated Node #0,4: 81:[26, 27, 80] Operation: 12+68=80 Start Sub Search at level 1: Moving to Node #0,4 Current State: 81:[26, 27, 80], Operations: ['12+68=80'] Exploring Operation: 27-26=1, Resulting Numbers: [80, 1] Generated Node #0,4,0: 81:[80, 1] Operation: 27-26=1 Exploring Operation: 80-26=54, Resulting Numbers: [27, 54] Generated Node #0,4,1: 81:[27, 54] Operation: 80-26=54 Exploring Operation: 27+80=107, Resulting Numbers: [26, 107] Generated Node #0,4,2: 81:[26, 107] Operation: 27+80=107 Exploring Operation: 26+27=53, Resulting Numbers: [80, 53] Generated Node #0,4,3: 81:[80, 53] Operation: 26+27=53 Exploring Operation: 26+80=106, Resulting Numbers: [27, 106] Generated Node #0,4,4: 81:[27, 106] Operation: 26+80=106 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 81:[80, 1], Operations: ['12+68=80', '27-26=1'] Exploring Operation: 80/1=80, Resulting Numbers: [80] 80,81 unequal: No Solution Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Moving to Node #0 Current State: 81:[12, 26, 68, 27], Operations: [] Exploring Operation: 12+68=80, Resulting Numbers: [26, 27, 80] Generated Node #0,4: 81:[26, 27, 80] Operation: 12+68=80 Moving to Node #0,4 Current State: 81:[26, 27, 80], Operations: ['12+68=80'] Exploring Operation: 27-26=1, Resulting Numbers: [80, 1] Generated Node #0,4,0: 81:[80, 1] Operation: 27-26=1 Moving to Node #0,4,0 Current State: 81:[80, 1], Operations: ['12+68=80', '27-26=1'] Exploring Operation: 80+1=81, Resulting Numbers: [81] 81,81 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 89, 29, 24, 68 ]
76
[ "89*24=2136", "68+2136=2204", "2204/29=76" ]
Current State: 76:[89, 29, 24, 68], Operations: [] Exploring Operation: 89*24=2136, Resulting Numbers: [29, 68, 2136] Generated Node #2: [29, 68, 2136] from Operation: 89*24=2136 Current State: 76:[29, 68, 2136], Operations: ['89*24=2136'] Exploring Operation: 68+2136=2204, Resulting Numbers: [29, 2204] Generated Node #3: [29, 2204] from Operation: 68+2136=2204 Current State: 76:[29, 2204], Operations: ['89*24=2136', '68+2136=2204'] Exploring Operation: 2204/29=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[89, 29, 24, 68], Operations: [] Exploring Operation: 68-24=44, Resulting Numbers: [89, 29, 44] Generated Node #0,0: 76:[89, 29, 44] Operation: 68-24=44 Exploring Operation: 89-24=65, Resulting Numbers: [29, 68, 65] Generated Node #0,1: 76:[29, 68, 65] Operation: 89-24=65 Exploring Operation: 89-68=21, Resulting Numbers: [29, 24, 21] Generated Node #0,2: 76:[29, 24, 21] Operation: 89-68=21 Exploring Operation: 29-24=5, Resulting Numbers: [89, 68, 5] Generated Node #0,3: 76:[89, 68, 5] Operation: 29-24=5 Exploring Operation: 68-29=39, Resulting Numbers: [89, 24, 39] Generated Node #0,4: 76:[89, 24, 39] Operation: 68-29=39 Moving to Node #0,2 Current State: 76:[29, 24, 21], Operations: ['89-68=21'] Exploring Operation: 29-21=8, Resulting Numbers: [24, 8] Generated Node #0,2,0: 76:[24, 8] Operation: 29-21=8 Exploring Operation: 24+21=45, Resulting Numbers: [29, 45] Generated Node #0,2,1: 76:[29, 45] Operation: 24+21=45 Exploring Operation: 29-24=5, Resulting Numbers: [21, 5] Generated Node #0,2,2: 76:[21, 5] Operation: 29-24=5 Exploring Operation: 29+24=53, Resulting Numbers: [21, 53] Generated Node #0,2,3: 76:[21, 53] Operation: 29+24=53 Exploring Operation: 24-21=3, Resulting Numbers: [29, 3] Generated Node #0,2,4: 76:[29, 3] Operation: 24-21=3 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 76:[21, 5], Operations: ['89-68=21', '29-24=5'] Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 21+5=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 21*5=105, Resulting Numbers: [105] 105,76 unequal: No Solution No 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: 76:[24, 8], Operations: ['89-68=21', '29-21=8'] Exploring Operation: 24-8=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 24/8=3, Resulting Numbers: [3] 3,76 unequal: No Solution Exploring Operation: 24+8=32, Resulting Numbers: [32] 32,76 unequal: No Solution Exploring Operation: 24*8=192, Resulting Numbers: [192] 192,76 unequal: No Solution No 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: 76:[29, 3], Operations: ['89-68=21', '24-21=3'] Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,76 unequal: No Solution Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,76 unequal: No Solution No 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: 76:[29, 45], Operations: ['89-68=21', '24+21=45'] Exploring Operation: 29*45=1305, Resulting Numbers: [1305] 1305,76 unequal: No Solution Exploring Operation: 29+45=74, Resulting Numbers: [74] 74,76 unequal: No Solution Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,76 unequal: No Solution No 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: 76:[21, 53], Operations: ['89-68=21', '29+24=53'] Exploring Operation: 21+53=74, Resulting Numbers: [74] 74,76 unequal: No Solution Exploring Operation: 53-21=32, Resulting Numbers: [32] 32,76 unequal: No Solution Exploring Operation: 21*53=1113, Resulting Numbers: [1113] 1113,76 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: 76:[89, 24, 39], Operations: ['68-29=39'] Exploring Operation: 89-39=50, Resulting Numbers: [24, 50] Generated Node #0,4,0: 76:[24, 50] Operation: 89-39=50 Exploring Operation: 24+39=63, Resulting Numbers: [89, 63] Generated Node #0,4,1: 76:[89, 63] Operation: 24+39=63 Exploring Operation: 89+24=113, Resulting Numbers: [39, 113] Generated Node #0,4,2: 76:[39, 113] Operation: 89+24=113 Exploring Operation: 89-24=65, Resulting Numbers: [39, 65] Generated Node #0,4,3: 76:[39, 65] Operation: 89-24=65 Exploring Operation: 39-24=15, Resulting Numbers: [89, 15] Generated Node #0,4,4: 76:[89, 15] Operation: 39-24=15 Moving to Node #0,3 Current State: 76:[89, 68, 5], Operations: ['29-24=5'] Exploring Operation: 68+5=73, Resulting Numbers: [89, 73] Generated Node #0,3,0: 76:[89, 73] Operation: 68+5=73 Exploring Operation: 89-68=21, Resulting Numbers: [5, 21] Generated Node #0,3,1: 76:[5, 21] Operation: 89-68=21 Exploring Operation: 68-5=63, Resulting Numbers: [89, 63] Generated Node #0,3,2: 76:[89, 63] Operation: 68-5=63 Exploring Operation: 89+5=94, Resulting Numbers: [68, 94] Generated Node #0,3,3: 76:[68, 94] Operation: 89+5=94 Exploring Operation: 89-5=84, Resulting Numbers: [68, 84] Generated Node #0,3,4: 76:[68, 84] Operation: 89-5=84 Moving to Node #0,0 Current State: 76:[89, 29, 44], Operations: ['68-24=44'] Exploring Operation: 89+29=118, Resulting Numbers: [44, 118] Generated Node #0,0,0: 76:[44, 118] Operation: 89+29=118 Exploring Operation: 44-29=15, Resulting Numbers: [89, 15] Generated Node #0,0,1: 76:[89, 15] Operation: 44-29=15 Exploring Operation: 29+44=73, Resulting Numbers: [89, 73] Generated Node #0,0,2: 76:[89, 73] Operation: 29+44=73 Exploring Operation: 89-44=45, Resulting Numbers: [29, 45] Generated Node #0,0,3: 76:[29, 45] Operation: 89-44=45 Exploring Operation: 89-29=60, Resulting Numbers: [44, 60] Generated Node #0,0,4: 76:[44, 60] Operation: 89-29=60 Moving to Node #0,1 Current State: 76:[29, 68, 65], Operations: ['89-24=65'] Exploring Operation: 29+68=97, Resulting Numbers: [65, 97] Generated Node #0,1,0: 76:[65, 97] Operation: 29+68=97 Exploring Operation: 68-65=3, Resulting Numbers: [29, 3] Generated Node #0,1,1: 76:[29, 3] Operation: 68-65=3 Exploring Operation: 29+65=94, Resulting Numbers: [68, 94] Generated Node #0,1,2: 76:[68, 94] Operation: 29+65=94 Exploring Operation: 65-29=36, Resulting Numbers: [68, 36] Generated Node #0,1,3: 76:[68, 36] Operation: 65-29=36 Exploring Operation: 68-29=39, Resulting Numbers: [65, 39] Generated Node #0,1,4: 76:[65, 39] Operation: 68-29=39 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 76:[29, 3], Operations: ['89-24=65', '68-65=3'] Exploring Operation: 29-3=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 29+3=32, Resulting Numbers: [32] 32,76 unequal: No Solution Exploring Operation: 29*3=87, Resulting Numbers: [87] 87,76 unequal: No Solution No 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: 76:[68, 36], Operations: ['89-24=65', '65-29=36'] Exploring Operation: 68*36=2448, Resulting Numbers: [2448] 2448,76 unequal: No Solution Exploring Operation: 68-36=32, Resulting Numbers: [32] 32,76 unequal: No Solution Exploring Operation: 68+36=104, Resulting Numbers: [104] 104,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 76:[65, 39], Operations: ['89-24=65', '68-29=39'] Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 65+39=104, Resulting Numbers: [104] 104,76 unequal: No Solution Exploring Operation: 65*39=2535, Resulting Numbers: [2535] 2535,76 unequal: No Solution No 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: 76:[68, 94], Operations: ['89-24=65', '29+65=94'] Exploring Operation: 68*94=6392, Resulting Numbers: [6392] 6392,76 unequal: No Solution Exploring Operation: 94-68=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 68+94=162, Resulting Numbers: [162] 162,76 unequal: No Solution No 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: 76:[65, 97], Operations: ['89-24=65', '29+68=97'] Exploring Operation: 65*97=6305, Resulting Numbers: [6305] 6305,76 unequal: No Solution Exploring Operation: 97-65=32, Resulting Numbers: [32] 32,76 unequal: No Solution Exploring Operation: 65+97=162, Resulting Numbers: [162] 162,76 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,1 Current State: 76:[5, 21], Operations: ['29-24=5', '89-68=21'] Exploring Operation: 5+21=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 5*21=105, Resulting Numbers: [105] 105,76 unequal: No Solution Exploring Operation: 21-5=16, Resulting Numbers: [16] 16,76 unequal: No Solution Moving to Node #0,4,3 Current State: 76:[39, 65], Operations: ['68-29=39', '89-24=65'] Exploring Operation: 39*65=2535, Resulting Numbers: [2535] 2535,76 unequal: No Solution Exploring Operation: 65-39=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 39+65=104, Resulting Numbers: [104] 104,76 unequal: No Solution Moving to Node #0,3,0 Current State: 76:[89, 73], Operations: ['29-24=5', '68+5=73'] Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 89*73=6497, Resulting Numbers: [6497] 6497,76 unequal: No Solution Exploring Operation: 89+73=162, Resulting Numbers: [162] 162,76 unequal: No Solution Moving to Node #0,0,3 Current State: 76:[29, 45], Operations: ['68-24=44', '89-44=45'] Exploring Operation: 29+45=74, Resulting Numbers: [74] 74,76 unequal: No Solution Exploring Operation: 45-29=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 29*45=1305, Resulting Numbers: [1305] 1305,76 unequal: No Solution Moving to Node #0,3,4 Current State: 76:[68, 84], Operations: ['29-24=5', '89-5=84'] Exploring Operation: 84-68=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 68+84=152, Resulting Numbers: [152] 152,76 unequal: No Solution Exploring Operation: 68*84=5712, Resulting Numbers: [5712] 5712,76 unequal: No Solution Moving to Node #0,0,2 Current State: 76:[89, 73], Operations: ['68-24=44', '29+44=73'] Exploring Operation: 89-73=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 89+73=162, Resulting Numbers: [162] 162,76 unequal: No Solution Exploring Operation: 89*73=6497, Resulting Numbers: [6497] 6497,76 unequal: No Solution Moving to Node #0,0,1 Current State: 76:[89, 15], Operations: ['68-24=44', '44-29=15'] Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,76 unequal: No Solution Exploring Operation: 89*15=1335, Resulting Numbers: [1335] 1335,76 unequal: No Solution Exploring Operation: 89+15=104, Resulting Numbers: [104] 104,76 unequal: No Solution Moving to Node #0,4,4 Current State: 76:[89, 15], Operations: ['68-29=39', '39-24=15'] Exploring Operation: 89*15=1335, Resulting Numbers: [1335] 1335,76 unequal: No Solution Exploring Operation: 89-15=74, Resulting Numbers: [74] 74,76 unequal: No Solution Exploring Operation: 89+15=104, Resulting Numbers: [104] 104,76 unequal: No Solution Moving to Node #0,4,0 Current State: 76:[24, 50], Operations: ['68-29=39', '89-39=50'] Exploring Operation: 24*50=1200, Resulting Numbers: [1200] 1200,76 unequal: No Solution Exploring Operation: 50-24=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 24+50=74, Resulting Numbers: [74] 74,76 unequal: No Solution Moving to Node #0,0,4 Current State: 76:[44, 60], Operations: ['68-24=44', '89-29=60'] Exploring Operation: 60-44=16, Resulting Numbers: [16] 16,76 unequal: No Solution Exploring Operation: 44*60=2640, Resulting Numbers: [2640] 2640,76 unequal: No Solution Exploring Operation: 44+60=104, Resulting Numbers: [104] 104,76 unequal: No Solution Moving to Node #0,3,3 Current State: 76:[68, 94], Operations: ['29-24=5', '89+5=94'] Exploring Operation: 94-68=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 68*94=6392, Resulting Numbers: [6392] 6392,76 unequal: No Solution Exploring Operation: 68+94=162, Resulting Numbers: [162] 162,76 unequal: No Solution Moving to Node #0,4,1 Current State: 76:[89, 63], Operations: ['68-29=39', '24+39=63'] Exploring Operation: 89*63=5607, Resulting Numbers: [5607] 5607,76 unequal: No Solution Exploring Operation: 89+63=152, Resulting Numbers: [152] 152,76 unequal: No Solution Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,76 unequal: No Solution Moving to Node #0,3,2 Current State: 76:[89, 63], Operations: ['29-24=5', '68-5=63'] Exploring Operation: 89+63=152, Resulting Numbers: [152] 152,76 unequal: No Solution Exploring Operation: 89-63=26, Resulting Numbers: [26] 26,76 unequal: No Solution Exploring Operation: 89*63=5607, Resulting Numbers: [5607] 5607,76 unequal: No Solution Moving to Node #0,4,2 Current State: 76:[39, 113], Operations: ['68-29=39', '89+24=113'] Exploring Operation: 39+113=152, Resulting Numbers: [152] 152,76 unequal: No Solution Exploring Operation: 39*113=4407, Resulting Numbers: [4407] 4407,76 unequal: No Solution Exploring Operation: 113-39=74, Resulting Numbers: [74] 74,76 unequal: No Solution Moving to Node #0,0,0 Current State: 76:[44, 118], Operations: ['68-24=44', '89+29=118'] Exploring Operation: 118-44=74, Resulting Numbers: [74] 74,76 unequal: No Solution Exploring Operation: 44+118=162, Resulting Numbers: [162] 162,76 unequal: No Solution Exploring Operation: 44*118=5192, Resulting Numbers: [5192] 5192,76 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 43, 37, 65, 82 ]
63
[ "43+37=80", "82-65=17", "80-17=63" ]
Current State: 63:[43, 37, 65, 82], Operations: [] Exploring Operation: 43+37=80, Resulting Numbers: [65, 82, 80] Generated Node #2: [65, 82, 80] from Operation: 43+37=80 Current State: 63:[65, 82, 80], Operations: ['43+37=80'] Exploring Operation: 82-65=17, Resulting Numbers: [80, 17] Generated Node #3: [80, 17] from Operation: 82-65=17 Current State: 63:[80, 17], Operations: ['43+37=80', '82-65=17'] Exploring Operation: 80-17=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[43, 37, 65, 82], Operations: [] Exploring Operation: 82-43=39, Resulting Numbers: [37, 65, 39] Generated Node #0,0: 63:[37, 65, 39] Operation: 82-43=39 Exploring Operation: 65-43=22, Resulting Numbers: [37, 82, 22] Generated Node #0,1: 63:[37, 82, 22] Operation: 65-43=22 Exploring Operation: 43+37=80, Resulting Numbers: [65, 82, 80] Generated Node #0,2: 63:[65, 82, 80] Operation: 43+37=80 Exploring Operation: 43-37=6, Resulting Numbers: [65, 82, 6] Generated Node #0,3: 63:[65, 82, 6] Operation: 43-37=6 Moving to Node #0,3 Current State: 63:[65, 82, 6], Operations: ['43-37=6'] Exploring Operation: 65-6=59, Resulting Numbers: [82, 59] Generated Node #0,3,0: 63:[82, 59] Operation: 65-6=59 Exploring Operation: 82-65=17, Resulting Numbers: [6, 17] Generated Node #0,3,1: 63:[6, 17] Operation: 82-65=17 Exploring Operation: 82-6=76, Resulting Numbers: [65, 76] Generated Node #0,3,2: 63:[65, 76] Operation: 82-6=76 Exploring Operation: 65+6=71, Resulting Numbers: [82, 71] Generated Node #0,3,3: 63:[82, 71] Operation: 65+6=71 Moving to Node #0,1 Current State: 63:[37, 82, 22], Operations: ['65-43=22'] Exploring Operation: 82-37=45, Resulting Numbers: [22, 45] Generated Node #0,1,0: 63:[22, 45] Operation: 82-37=45 Exploring Operation: 82-22=60, Resulting Numbers: [37, 60] Generated Node #0,1,1: 63:[37, 60] Operation: 82-22=60 Exploring Operation: 37+22=59, Resulting Numbers: [82, 59] Generated Node #0,1,2: 63:[82, 59] Operation: 37+22=59 Exploring Operation: 37-22=15, Resulting Numbers: [82, 15] Generated Node #0,1,3: 63:[82, 15] Operation: 37-22=15 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 63:[22, 45], Operations: ['65-43=22', '82-37=45'] Exploring Operation: 22*45=990, Resulting Numbers: [990] 990,63 unequal: No Solution Exploring Operation: 22+45=67, Resulting Numbers: [67] 67,63 unequal: No Solution Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 63:[37, 60], Operations: ['65-43=22', '82-22=60'] Exploring Operation: 37+60=97, Resulting Numbers: [97] 97,63 unequal: No Solution Exploring Operation: 37*60=2220, Resulting Numbers: [2220] 2220,63 unequal: No Solution Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 63:[82, 59], Operations: ['65-43=22', '37+22=59'] Exploring Operation: 82-59=23, Resulting Numbers: [23] 23,63 unequal: No Solution Exploring Operation: 82+59=141, Resulting Numbers: [141] 141,63 unequal: No Solution Exploring Operation: 82*59=4838, Resulting Numbers: [4838] 4838,63 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 63:[82, 15], Operations: ['65-43=22', '37-22=15'] Exploring Operation: 82+15=97, Resulting Numbers: [97] 97,63 unequal: No Solution Exploring Operation: 82*15=1230, Resulting Numbers: [1230] 1230,63 unequal: No Solution Exploring Operation: 82-15=67, Resulting Numbers: [67] 67,63 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: 63:[37, 65, 39], Operations: ['82-43=39'] Exploring Operation: 65-37=28, Resulting Numbers: [39, 28] Generated Node #0,0,0: 63:[39, 28] Operation: 65-37=28 Exploring Operation: 39-37=2, Resulting Numbers: [65, 2] Generated Node #0,0,1: 63:[65, 2] Operation: 39-37=2 Exploring Operation: 65-39=26, Resulting Numbers: [37, 26] Generated Node #0,0,2: 63:[37, 26] Operation: 65-39=26 Exploring Operation: 37+39=76, Resulting Numbers: [65, 76] Generated Node #0,0,3: 63:[65, 76] Operation: 37+39=76 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 63:[65, 2], Operations: ['82-43=39', '39-37=2'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[43, 37, 65, 82], Operations: [] Exploring Operation: 82-43=39, Resulting Numbers: [37, 65, 39] Generated Node #0,0: 63:[37, 65, 39] Operation: 82-43=39 Moving to Node #0,0 Current State: 63:[37, 65, 39], Operations: ['82-43=39'] Exploring Operation: 39-37=2, Resulting Numbers: [65, 2] Generated Node #0,0,1: 63:[65, 2] Operation: 39-37=2 Moving to Node #0,0,1 Current State: 63:[65, 2], Operations: ['82-43=39', '39-37=2'] Exploring Operation: 65-2=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.971354
hs_4
sum_heuristic
[ 61, 86, 78, 19 ]
72
[ "86-61=25", "78+19=97", "97-25=72" ]
Current State: 72:[61, 86, 78, 19], Operations: [] Exploring Operation: 86-61=25, Resulting Numbers: [78, 19, 25] Generated Node #2: [78, 19, 25] from Operation: 86-61=25 Current State: 72:[78, 19, 25], Operations: ['86-61=25'] Exploring Operation: 78+19=97, Resulting Numbers: [25, 97] Generated Node #3: [25, 97] from Operation: 78+19=97 Current State: 72:[25, 97], Operations: ['86-61=25', '78+19=97'] Exploring Operation: 97-25=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[61, 86, 78, 19], Operations: [] Exploring Operation: 86-78=8, Resulting Numbers: [61, 19, 8] Generated Node #0,0: 72:[61, 19, 8] Operation: 86-78=8 Exploring Operation: 78-61=17, Resulting Numbers: [86, 19, 17] Generated Node #0,1: 72:[86, 19, 17] Operation: 78-61=17 Exploring Operation: 86-61=25, Resulting Numbers: [78, 19, 25] Generated Node #0,2: 72:[78, 19, 25] Operation: 86-61=25 Moving to Node #0,2 Current State: 72:[78, 19, 25], Operations: ['86-61=25'] Exploring Operation: 19+25=44, Resulting Numbers: [78, 44] Generated Node #0,2,0: 72:[78, 44] Operation: 19+25=44 Exploring Operation: 25-19=6, Resulting Numbers: [78, 6] Generated Node #0,2,1: 72:[78, 6] Operation: 25-19=6 Exploring Operation: 78-19=59, Resulting Numbers: [25, 59] Generated Node #0,2,2: 72:[25, 59] Operation: 78-19=59 Moving to Node #0,0 Current State: 72:[61, 19, 8], Operations: ['86-78=8'] Exploring Operation: 61+8=69, Resulting Numbers: [19, 69] Generated Node #0,0,0: 72:[19, 69] Operation: 61+8=69 Exploring Operation: 61+19=80, Resulting Numbers: [8, 80] Generated Node #0,0,1: 72:[8, 80] Operation: 61+19=80 Exploring Operation: 61-19=42, Resulting Numbers: [8, 42] Generated Node #0,0,2: 72:[8, 42] Operation: 61-19=42 Moving to Node #0,1 Current State: 72:[86, 19, 17], Operations: ['78-61=17'] Exploring Operation: 19+17=36, Resulting Numbers: [86, 36] Generated Node #0,1,0: 72:[86, 36] Operation: 19+17=36 Exploring Operation: 86-19=67, Resulting Numbers: [17, 67] Generated Node #0,1,1: 72:[17, 67] Operation: 86-19=67 Exploring Operation: 86-17=69, Resulting Numbers: [19, 69] Generated Node #0,1,2: 72:[19, 69] Operation: 86-17=69 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 72:[19, 69], Operations: ['78-61=17', '86-17=69'] Exploring Operation: 19+69=88, Resulting Numbers: [88] 88,72 unequal: No Solution Exploring Operation: 19*69=1311, Resulting Numbers: [1311] 1311,72 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,72 unequal: No Solution No 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: 72:[17, 67], Operations: ['78-61=17', '86-19=67'] Exploring Operation: 67-17=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 17*67=1139, Resulting Numbers: [1139] 1139,72 unequal: No Solution Exploring Operation: 17+67=84, Resulting Numbers: [84] 84,72 unequal: No Solution No 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: 72:[86, 36], Operations: ['78-61=17', '19+17=36'] Exploring Operation: 86+36=122, Resulting Numbers: [122] 122,72 unequal: No Solution Exploring Operation: 86-36=50, Resulting Numbers: [50] 50,72 unequal: No Solution Exploring Operation: 86*36=3096, Resulting Numbers: [3096] 3096,72 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: 72:[19, 69], Operations: ['86-78=8', '61+8=69'] Exploring Operation: 19+69=88, Resulting Numbers: [88] 88,72 unequal: No Solution Exploring Operation: 19*69=1311, Resulting Numbers: [1311] 1311,72 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,72 unequal: No Solution Moving to Node #0,2,1 Current State: 72:[78, 6], Operations: ['86-61=25', '25-19=6'] Exploring Operation: 78/6=13, Resulting Numbers: [13] 13,72 unequal: No Solution Exploring Operation: 78+6=84, Resulting Numbers: [84] 84,72 unequal: No Solution Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[61, 86, 78, 19], Operations: [] Exploring Operation: 86-61=25, Resulting Numbers: [78, 19, 25] Generated Node #0,2: 72:[78, 19, 25] Operation: 86-61=25 Moving to Node #0,2 Current State: 72:[78, 19, 25], Operations: ['86-61=25'] Exploring Operation: 25-19=6, Resulting Numbers: [78, 6] Generated Node #0,2,1: 72:[78, 6] Operation: 25-19=6 Moving to Node #0,2,1 Current State: 72:[78, 6], Operations: ['86-61=25', '25-19=6'] Exploring Operation: 78-6=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
0.97309
hs_3
sum_heuristic
[ 22, 17, 46, 37 ]
32
[ "22*37=814", "17*46=782", "814-782=32" ]
Current State: 32:[22, 17, 46, 37], Operations: [] Exploring Operation: 22*37=814, Resulting Numbers: [17, 46, 814] Generated Node #2: [17, 46, 814] from Operation: 22*37=814 Current State: 32:[17, 46, 814], Operations: ['22*37=814'] Exploring Operation: 17*46=782, Resulting Numbers: [814, 782] Generated Node #3: [814, 782] from Operation: 17*46=782 Current State: 32:[814, 782], Operations: ['22*37=814', '17*46=782'] Exploring Operation: 814-782=32, Resulting Numbers: [32] 32,32 equal: Goal Reached
4
Current State: 32:[22, 17, 46, 37], Operations: [] Exploring Operation: 46-37=9, Resulting Numbers: [22, 17, 9] Generated Node #0,0: 32:[22, 17, 9] Operation: 46-37=9 Exploring Operation: 37-22=15, Resulting Numbers: [17, 46, 15] Generated Node #0,1: 32:[17, 46, 15] Operation: 37-22=15 Exploring Operation: 46-22=24, Resulting Numbers: [17, 37, 24] Generated Node #0,2: 32:[17, 37, 24] Operation: 46-22=24 Exploring Operation: 22-17=5, Resulting Numbers: [46, 37, 5] Generated Node #0,3: 32:[46, 37, 5] Operation: 22-17=5 Exploring Operation: 46-17=29, Resulting Numbers: [22, 37, 29] Generated Node #0,4: 32:[22, 37, 29] Operation: 46-17=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 32:[22, 17, 9], Operations: ['46-37=9'] Exploring Operation: 22-9=13, Resulting Numbers: [17, 13] Generated Node #0,0,0: 32:[17, 13] Operation: 22-9=13 Exploring Operation: 22+9=31, Resulting Numbers: [17, 31] Generated Node #0,0,1: 32:[17, 31] Operation: 22+9=31 Exploring Operation: 17-9=8, Resulting Numbers: [22, 8] Generated Node #0,0,2: 32:[22, 8] Operation: 17-9=8 Exploring Operation: 22-17=5, Resulting Numbers: [9, 5] Generated Node #0,0,3: 32:[9, 5] Operation: 22-17=5 Exploring Operation: 22+17=39, Resulting Numbers: [9, 39] Generated Node #0,0,4: 32:[9, 39] Operation: 22+17=39 Moving to Node #0,0,1 Current State: 32:[17, 31], Operations: ['46-37=9', '22+9=31'] Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,32 unequal: No Solution Exploring Operation: 17*31=527, Resulting Numbers: [527] 527,32 unequal: No Solution Moving to Node #0,0,3 Current State: 32:[9, 5], Operations: ['46-37=9', '22-17=5'] Exploring Operation: 9*5=45, Resulting Numbers: [45] 45,32 unequal: No Solution Exploring Operation: 9+5=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,32 unequal: No Solution Moving to Node #0,0,0 Current State: 32:[17, 13], Operations: ['46-37=9', '22-9=13'] Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,32 unequal: No Solution Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,32 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,32 unequal: No Solution Moving to Node #0,0,2 Current State: 32:[22, 8], Operations: ['46-37=9', '17-9=8'] Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,32 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,32 unequal: No Solution Moving to Node #0,0,4 Current State: 32:[9, 39], Operations: ['46-37=9', '22+17=39'] Exploring Operation: 9+39=48, Resulting Numbers: [48] 48,32 unequal: No Solution Exploring Operation: 9*39=351, Resulting Numbers: [351] 351,32 unequal: No Solution Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 32:[17, 37, 24], Operations: ['46-22=24'] Exploring Operation: 37-17=20, Resulting Numbers: [24, 20] Generated Node #0,2,0: 32:[24, 20] Operation: 37-17=20 Exploring Operation: 17+37=54, Resulting Numbers: [24, 54] Generated Node #0,2,1: 32:[24, 54] Operation: 17+37=54 Exploring Operation: 24-17=7, Resulting Numbers: [37, 7] Generated Node #0,2,2: 32:[37, 7] Operation: 24-17=7 Exploring Operation: 17+24=41, Resulting Numbers: [37, 41] Generated Node #0,2,3: 32:[37, 41] Operation: 17+24=41 Exploring Operation: 37-24=13, Resulting Numbers: [17, 13] Generated Node #0,2,4: 32:[17, 13] Operation: 37-24=13 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 32:[17, 13], Operations: ['46-22=24', '37-24=13'] Exploring Operation: 17+13=30, Resulting Numbers: [30] 30,32 unequal: No Solution Exploring Operation: 17*13=221, Resulting Numbers: [221] 221,32 unequal: No Solution Exploring Operation: 17-13=4, Resulting Numbers: [4] 4,32 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:[37, 7], Operations: ['46-22=24', '24-17=7'] Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,32 unequal: No Solution Exploring Operation: 37+7=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 37*7=259, Resulting Numbers: [259] 259,32 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 #0,2,0 Current State: 32:[24, 20], Operations: ['46-22=24', '37-17=20'] Exploring Operation: 24*20=480, Resulting Numbers: [480] 480,32 unequal: No Solution Exploring Operation: 24+20=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 24-20=4, Resulting Numbers: [4] 4,32 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:[37, 41], Operations: ['46-22=24', '17+24=41'] Exploring Operation: 37*41=1517, Resulting Numbers: [1517] 1517,32 unequal: No Solution Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,32 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:[24, 54], Operations: ['46-22=24', '17+37=54'] Exploring Operation: 24*54=1296, Resulting Numbers: [1296] 1296,32 unequal: No Solution Exploring Operation: 24+54=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 54-24=30, Resulting Numbers: [30] 30,32 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 #0,4 Current State: 32:[22, 37, 29], Operations: ['46-17=29'] Exploring Operation: 37-22=15, Resulting Numbers: [29, 15] Generated Node #0,4,0: 32:[29, 15] Operation: 37-22=15 Exploring Operation: 22+37=59, Resulting Numbers: [29, 59] Generated Node #0,4,1: 32:[29, 59] Operation: 22+37=59 Exploring Operation: 29-22=7, Resulting Numbers: [37, 7] Generated Node #0,4,2: 32:[37, 7] Operation: 29-22=7 Exploring Operation: 22+29=51, Resulting Numbers: [37, 51] Generated Node #0,4,3: 32:[37, 51] Operation: 22+29=51 Exploring Operation: 37-29=8, Resulting Numbers: [22, 8] Generated Node #0,4,4: 32:[22, 8] Operation: 37-29=8 Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 32:[29, 15], Operations: ['46-17=29', '37-22=15'] Exploring Operation: 29*15=435, Resulting Numbers: [435] 435,32 unequal: No Solution Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 29+15=44, Resulting Numbers: [44] 44,32 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 #0,4,2 Current State: 32:[37, 7], Operations: ['46-17=29', '29-22=7'] Exploring Operation: 37+7=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 37*7=259, Resulting Numbers: [259] 259,32 unequal: No Solution Exploring Operation: 37-7=30, Resulting Numbers: [30] 30,32 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 #0,4,4 Current State: 32:[22, 8], Operations: ['46-17=29', '37-29=8'] Exploring Operation: 22*8=176, Resulting Numbers: [176] 176,32 unequal: No Solution Exploring Operation: 22-8=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 22+8=30, Resulting Numbers: [30] 30,32 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 #0,4,3 Current State: 32:[37, 51], Operations: ['46-17=29', '22+29=51'] Exploring Operation: 51-37=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 37*51=1887, Resulting Numbers: [1887] 1887,32 unequal: No Solution Exploring Operation: 37+51=88, Resulting Numbers: [88] 88,32 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 #0,4,1 Current State: 32:[29, 59], Operations: ['46-17=29', '22+37=59'] Exploring Operation: 59-29=30, Resulting Numbers: [30] 30,32 unequal: No Solution Exploring Operation: 29*59=1711, Resulting Numbers: [1711] 1711,32 unequal: No Solution Exploring Operation: 29+59=88, Resulting Numbers: [88] 88,32 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:[17, 46, 15], Operations: ['37-22=15'] Exploring Operation: 17+15=32, Resulting Numbers: [46, 32] Generated Node #0,1,0: 32:[46, 32] Operation: 17+15=32 Exploring Operation: 46-17=29, Resulting Numbers: [15, 29] Generated Node #0,1,1: 32:[15, 29] Operation: 46-17=29 Exploring Operation: 46-15=31, Resulting Numbers: [17, 31] Generated Node #0,1,2: 32:[17, 31] Operation: 46-15=31 Exploring Operation: 17-15=2, Resulting Numbers: [46, 2] Generated Node #0,1,3: 32:[46, 2] Operation: 17-15=2 Exploring Operation: 46+15=61, Resulting Numbers: [17, 61] Generated Node #0,1,4: 32:[17, 61] Operation: 46+15=61 Moving to Node #0,1,2 Current State: 32:[17, 31], Operations: ['37-22=15', '46-15=31'] Exploring Operation: 17*31=527, Resulting Numbers: [527] 527,32 unequal: No Solution Exploring Operation: 17+31=48, Resulting Numbers: [48] 48,32 unequal: No Solution Exploring Operation: 31-17=14, Resulting Numbers: [14] 14,32 unequal: No Solution Moving to Node #0,1,1 Current State: 32:[15, 29], Operations: ['37-22=15', '46-17=29'] Exploring Operation: 29-15=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 15*29=435, Resulting Numbers: [435] 435,32 unequal: No Solution Exploring Operation: 15+29=44, Resulting Numbers: [44] 44,32 unequal: No Solution Moving to Node #0,1,0 Current State: 32:[46, 32], Operations: ['37-22=15', '17+15=32'] Exploring Operation: 46+32=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 46*32=1472, Resulting Numbers: [1472] 1472,32 unequal: No Solution Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,32 unequal: No Solution Moving to Node #0,1,3 Current State: 32:[46, 2], Operations: ['37-22=15', '17-15=2'] Exploring Operation: 46-2=44, Resulting Numbers: [44] 44,32 unequal: No Solution Exploring Operation: 46*2=92, Resulting Numbers: [92] 92,32 unequal: No Solution Exploring Operation: 46/2=23, Resulting Numbers: [23] 23,32 unequal: No Solution Exploring Operation: 46+2=48, Resulting Numbers: [48] 48,32 unequal: No Solution Moving to Node #0,1,4 Current State: 32:[17, 61], Operations: ['37-22=15', '46+15=61'] Exploring Operation: 17+61=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 17*61=1037, Resulting Numbers: [1037] 1037,32 unequal: No Solution Exploring Operation: 61-17=44, Resulting Numbers: [44] 44,32 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 #0,3 Current State: 32:[46, 37, 5], Operations: ['22-17=5'] Exploring Operation: 37+5=42, Resulting Numbers: [46, 42] Generated Node #0,3,0: 32:[46, 42] Operation: 37+5=42 Exploring Operation: 37-5=32, Resulting Numbers: [46, 32] Generated Node #0,3,1: 32:[46, 32] Operation: 37-5=32 Exploring Operation: 46+5=51, Resulting Numbers: [37, 51] Generated Node #0,3,2: 32:[37, 51] Operation: 46+5=51 Exploring Operation: 46-5=41, Resulting Numbers: [37, 41] Generated Node #0,3,3: 32:[37, 41] Operation: 46-5=41 Exploring Operation: 46-37=9, Resulting Numbers: [5, 9] Generated Node #0,3,4: 32:[5, 9] Operation: 46-37=9 Moving to Node #0,3,4 Current State: 32:[5, 9], Operations: ['22-17=5', '46-37=9'] Exploring Operation: 9-5=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 5*9=45, Resulting Numbers: [45] 45,32 unequal: No Solution Exploring Operation: 5+9=14, Resulting Numbers: [14] 14,32 unequal: No Solution Moving to Node #0,3,3 Current State: 32:[37, 41], Operations: ['22-17=5', '46-5=41'] Exploring Operation: 37+41=78, Resulting Numbers: [78] 78,32 unequal: No Solution Exploring Operation: 37*41=1517, Resulting Numbers: [1517] 1517,32 unequal: No Solution Exploring Operation: 41-37=4, Resulting Numbers: [4] 4,32 unequal: No Solution Moving to Node #0,3,1 Current State: 32:[46, 32], Operations: ['22-17=5', '37-5=32'] Exploring Operation: 46-32=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 46*32=1472, Resulting Numbers: [1472] 1472,32 unequal: No Solution Exploring Operation: 46+32=78, Resulting Numbers: [78] 78,32 unequal: No Solution Moving to Node #0,3,0 Current State: 32:[46, 42], Operations: ['22-17=5', '37+5=42'] Exploring Operation: 46-42=4, Resulting Numbers: [4] 4,32 unequal: No Solution Exploring Operation: 46*42=1932, Resulting Numbers: [1932] 1932,32 unequal: No Solution Exploring Operation: 46+42=88, Resulting Numbers: [88] 88,32 unequal: No Solution Moving to Node #0,3,2 Current State: 32:[37, 51], Operations: ['22-17=5', '46+5=51'] Exploring Operation: 37+51=88, Resulting Numbers: [88] 88,32 unequal: No Solution Exploring Operation: 51-37=14, Resulting Numbers: [14] 14,32 unequal: No Solution Exploring Operation: 37*51=1887, Resulting Numbers: [1887] 1887,32 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
sum_heuristic
[ 28, 72, 10, 90 ]
25
[ "28*90=2520", "2520/72=35", "35-10=25" ]
Current State: 25:[28, 72, 10, 90], Operations: [] Exploring Operation: 28*90=2520, Resulting Numbers: [72, 10, 2520] Generated Node #2: [72, 10, 2520] from Operation: 28*90=2520 Current State: 25:[72, 10, 2520], Operations: ['28*90=2520'] Exploring Operation: 2520/72=35, Resulting Numbers: [10, 35] Generated Node #3: [10, 35] from Operation: 2520/72=35 Current State: 25:[10, 35], Operations: ['28*90=2520', '2520/72=35'] Exploring Operation: 35-10=25, Resulting Numbers: [25] 25,25 equal: Goal Reached
4
Current State: 25:[28, 72, 10, 90], Operations: [] Exploring Operation: 90-72=18, Resulting Numbers: [28, 10, 18] Generated Node #0,0: 25:[28, 10, 18] Operation: 90-72=18 Start Sub Search at level 1: Moving to Node #0,0 Current State: 25:[28, 10, 18], Operations: ['90-72=18'] Exploring Operation: 10+18=28, Resulting Numbers: [28, 28] Generated Node #0,0,0: 25:[28, 28] Operation: 10+18=28 Moving to Node #0,0,0 Current State: 25:[28, 28], Operations: ['90-72=18', '10+18=28'] Exploring Operation: 28/28=1, Resulting Numbers: [1] 1,25 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 52, 52, 69, 7 ]
62
[ "52-52=0", "69-7=62", "0+62=62" ]
Current State: 62:[52, 52, 69, 7], Operations: [] Exploring Operation: 52-52=0, Resulting Numbers: [69, 7, 0] Generated Node #2: [69, 7, 0] from Operation: 52-52=0 Current State: 62:[69, 7, 0], Operations: ['52-52=0'] Exploring Operation: 69-7=62, Resulting Numbers: [0, 62] Generated Node #3: [0, 62] from Operation: 69-7=62 Current State: 62:[0, 62], Operations: ['52-52=0', '69-7=62'] Exploring Operation: 0+62=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[52, 52, 69, 7], Operations: [] Exploring Operation: 52+7=59, Resulting Numbers: [52, 69, 59] Generated Node #0,0: 62:[52, 69, 59] Operation: 52+7=59 Exploring Operation: 52/52=1, Resulting Numbers: [69, 7, 1] Generated Node #0,1: 62:[69, 7, 1] Operation: 52/52=1 Exploring Operation: 52+7=59, Resulting Numbers: [52, 69, 59] Generated Node #0,2: 62:[52, 69, 59] Operation: 52+7=59 Exploring Operation: 52-52=0, Resulting Numbers: [69, 7, 0] Generated Node #0,3: 62:[69, 7, 0] Operation: 52-52=0 Start Sub Search at level 1: Moving to Node #0,1 Current State: 62:[69, 7, 1], Operations: ['52/52=1'] Exploring Operation: 7-1=6, Resulting Numbers: [69, 6] Generated Node #0,1,0: 62:[69, 6] Operation: 7-1=6 Exploring Operation: 69*1=69, Resulting Numbers: [7, 69] Generated Node #0,1,1: 62:[7, 69] Operation: 69*1=69 Exploring Operation: 69-1=68, Resulting Numbers: [7, 68] Generated Node #0,1,2: 62:[7, 68] Operation: 69-1=68 Exploring Operation: 69-7=62, Resulting Numbers: [1, 62] Generated Node #0,1,3: 62:[1, 62] Operation: 69-7=62 Moving to Node #0,1,3 Current State: 62:[1, 62], Operations: ['52/52=1', '69-7=62'] Exploring Operation: 62-1=61, Resulting Numbers: [61] 61,62 unequal: No Solution Exploring Operation: 1+62=63, Resulting Numbers: [63] 63,62 unequal: No Solution Exploring Operation: 1*62=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[52, 52, 69, 7], Operations: [] Exploring Operation: 52/52=1, Resulting Numbers: [69, 7, 1] Generated Node #0,1: 62:[69, 7, 1] Operation: 52/52=1 Moving to Node #0,1 Current State: 62:[69, 7, 1], Operations: ['52/52=1'] Exploring Operation: 69-7=62, Resulting Numbers: [1, 62] Generated Node #0,1,3: 62:[1, 62] Operation: 69-7=62 Moving to Node #0,1,3 Current State: 62:[1, 62], Operations: ['52/52=1', '69-7=62'] Exploring Operation: 1*62=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 73, 56, 17, 9 ]
22
[ "73*17=1241", "1241-9=1232", "1232/56=22" ]
Current State: 22:[73, 56, 17, 9], Operations: [] Exploring Operation: 73*17=1241, Resulting Numbers: [56, 9, 1241] Generated Node #2: [56, 9, 1241] from Operation: 73*17=1241 Current State: 22:[56, 9, 1241], Operations: ['73*17=1241'] Exploring Operation: 1241-9=1232, Resulting Numbers: [56, 1232] Generated Node #3: [56, 1232] from Operation: 1241-9=1232 Current State: 22:[56, 1232], Operations: ['73*17=1241', '1241-9=1232'] Exploring Operation: 1232/56=22, Resulting Numbers: [22] 22,22 equal: Goal Reached
4
Current State: 22:[73, 56, 17, 9], Operations: [] Exploring Operation: 73-17=56, Resulting Numbers: [56, 9, 56] Generated Node #0,0: 22:[56, 9, 56] Operation: 73-17=56 Exploring Operation: 73-56=17, Resulting Numbers: [17, 9, 17] Generated Node #0,1: 22:[17, 9, 17] Operation: 73-56=17 Start Sub Search at level 1: Moving to Node #0,1 Current State: 22:[17, 9, 17], Operations: ['73-56=17'] Exploring Operation: 17/17=1, Resulting Numbers: [9, 1] Generated Node #0,1,0: 22:[9, 1] Operation: 17/17=1 Exploring Operation: 17-17=0, Resulting Numbers: [9, 0] Generated Node #0,1,1: 22:[9, 0] Operation: 17-17=0 Moving to Node #0,1,0 Current State: 22:[9, 1], Operations: ['73-56=17', '17/17=1'] Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,22 unequal: No Solution Moving to Node #0,1,1 Current State: 22:[9, 0], Operations: ['73-56=17', '17-17=0'] Exploring Operation: 9*0=0, Resulting Numbers: [0] 0,22 unequal: No Solution Exploring Operation: 9+0=9, Resulting Numbers: [9] 9,22 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 22:[56, 9, 56], Operations: ['73-17=56'] Exploring Operation: 56/56=1, Resulting Numbers: [9, 1] Generated Node #0,0,0: 22:[9, 1] Operation: 56/56=1 Exploring Operation: 56-56=0, Resulting Numbers: [9, 0] Generated Node #0,0,1: 22:[9, 0] Operation: 56-56=0 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 22:[9, 1], Operations: ['73-17=56', '56/56=1'] Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,22 unequal: No Solution Exploring Operation: 9*1=9, Resulting Numbers: [9] 9,22 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 22:[9, 0], Operations: ['73-17=56', '56-56=0'] Exploring Operation: 9*0=0, Resulting Numbers: [0] 0,22 unequal: No Solution Exploring Operation: 9+0=9, Resulting Numbers: [9] 9,22 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
[ 45, 2, 15, 82 ]
89
[ "82-45=37", "2*37=74", "15+74=89" ]
Current State: 89:[45, 2, 15, 82], Operations: [] Exploring Operation: 82-45=37, Resulting Numbers: [2, 15, 37] Generated Node #2: [2, 15, 37] from Operation: 82-45=37 Current State: 89:[2, 15, 37], Operations: ['82-45=37'] Exploring Operation: 2*37=74, Resulting Numbers: [15, 74] Generated Node #3: [15, 74] from Operation: 2*37=74 Current State: 89:[15, 74], Operations: ['82-45=37', '2*37=74'] Exploring Operation: 15+74=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[45, 2, 15, 82], Operations: [] Exploring Operation: 2*15=30, Resulting Numbers: [45, 82, 30] Generated Node #0,0: 89:[45, 82, 30] Operation: 2*15=30 Exploring Operation: 45*2=90, Resulting Numbers: [15, 82, 90] Generated Node #0,1: 89:[15, 82, 90] Operation: 45*2=90 Exploring Operation: 45+2=47, Resulting Numbers: [15, 82, 47] Generated Node #0,2: 89:[15, 82, 47] Operation: 45+2=47 Moving to Node #0,1 Current State: 89:[15, 82, 90], Operations: ['45*2=90'] Exploring Operation: 82-15=67, Resulting Numbers: [90, 67] Generated Node #0,1,0: 89:[90, 67] Operation: 82-15=67 Exploring Operation: 15+82=97, Resulting Numbers: [90, 97] Generated Node #0,1,1: 89:[90, 97] Operation: 15+82=97 Exploring Operation: 90-15=75, Resulting Numbers: [82, 75] Generated Node #0,1,2: 89:[82, 75] Operation: 90-15=75 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 89:[90, 97], Operations: ['45*2=90', '15+82=97'] Exploring Operation: 90+97=187, Resulting Numbers: [187] 187,89 unequal: No Solution Exploring Operation: 90*97=8730, Resulting Numbers: [8730] 8730,89 unequal: No Solution Exploring Operation: 97-90=7, Resulting Numbers: [7] 7,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 89:[82, 75], Operations: ['45*2=90', '90-15=75'] Exploring Operation: 82+75=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 82*75=6150, Resulting Numbers: [6150] 6150,89 unequal: No Solution Exploring Operation: 82-75=7, Resulting Numbers: [7] 7,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 89:[90, 67], Operations: ['45*2=90', '82-15=67'] Exploring Operation: 90*67=6030, Resulting Numbers: [6030] 6030,89 unequal: No Solution Exploring Operation: 90+67=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 90-67=23, Resulting Numbers: [23] 23,89 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: 89:[45, 82, 30], Operations: ['2*15=30'] Exploring Operation: 45+30=75, Resulting Numbers: [82, 75] Generated Node #0,0,0: 89:[82, 75] Operation: 45+30=75 Exploring Operation: 82+30=112, Resulting Numbers: [45, 112] Generated Node #0,0,1: 89:[45, 112] Operation: 82+30=112 Exploring Operation: 45-30=15, Resulting Numbers: [82, 15] Generated Node #0,0,2: 89:[82, 15] Operation: 45-30=15 Moving to Node #0,2 Current State: 89:[15, 82, 47], Operations: ['45+2=47'] Exploring Operation: 82-15=67, Resulting Numbers: [47, 67] Generated Node #0,2,0: 89:[47, 67] Operation: 82-15=67 Exploring Operation: 15+47=62, Resulting Numbers: [82, 62] Generated Node #0,2,1: 89:[82, 62] Operation: 15+47=62 Exploring Operation: 15+82=97, Resulting Numbers: [47, 97] Generated Node #0,2,2: 89:[47, 97] Operation: 15+82=97 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 89:[82, 62], Operations: ['45+2=47', '15+47=62'] Exploring Operation: 82+62=144, Resulting Numbers: [144] 144,89 unequal: No Solution Exploring Operation: 82*62=5084, Resulting Numbers: [5084] 5084,89 unequal: No Solution Exploring Operation: 82-62=20, Resulting Numbers: [20] 20,89 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 #0,2,2 Current State: 89:[47, 97], Operations: ['45+2=47', '15+82=97'] Exploring Operation: 97-47=50, Resulting Numbers: [50] 50,89 unequal: No Solution Exploring Operation: 47+97=144, Resulting Numbers: [144] 144,89 unequal: No Solution Exploring Operation: 47*97=4559, Resulting Numbers: [4559] 4559,89 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 #0,2,0 Current State: 89:[47, 67], Operations: ['45+2=47', '82-15=67'] Exploring Operation: 67-47=20, Resulting Numbers: [20] 20,89 unequal: No Solution Exploring Operation: 47+67=114, Resulting Numbers: [114] 114,89 unequal: No Solution Exploring Operation: 47*67=3149, Resulting Numbers: [3149] 3149,89 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: 89:[82, 75], Operations: ['2*15=30', '45+30=75'] Exploring Operation: 82+75=157, Resulting Numbers: [157] 157,89 unequal: No Solution Exploring Operation: 82*75=6150, Resulting Numbers: [6150] 6150,89 unequal: No Solution Exploring Operation: 82-75=7, Resulting Numbers: [7] 7,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[45, 112], Operations: ['2*15=30', '82+30=112'] Exploring Operation: 45*112=5040, Resulting Numbers: [5040] 5040,89 unequal: No Solution Exploring Operation: 112-45=67, Resulting Numbers: [67] 67,89 unequal: No Solution Exploring Operation: 45+112=157, Resulting Numbers: [157] 157,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[82, 15], Operations: ['2*15=30', '45-30=15'] Exploring Operation: 82-15=67, Resulting Numbers: [67] 67,89 unequal: No Solution Exploring Operation: 82*15=1230, Resulting Numbers: [1230] 1230,89 unequal: No Solution Exploring Operation: 82+15=97, Resulting Numbers: [97] 97,89 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 90, 29, 80, 50 ]
24
[ "90-80=10", "50/10=5", "29-5=24" ]
Current State: 24:[90, 29, 80, 50], Operations: [] Exploring Operation: 90-80=10, Resulting Numbers: [29, 50, 10] Generated Node #2: [29, 50, 10] from Operation: 90-80=10 Current State: 24:[29, 50, 10], Operations: ['90-80=10'] Exploring Operation: 50/10=5, Resulting Numbers: [29, 5] Generated Node #3: [29, 5] from Operation: 50/10=5 Current State: 24:[29, 5], Operations: ['90-80=10', '50/10=5'] Exploring Operation: 29-5=24, Resulting Numbers: [24] 24,24 equal: Goal Reached
4
Current State: 24:[90, 29, 80, 50], Operations: [] Exploring Operation: 90-80=10, Resulting Numbers: [29, 50, 10] Generated Node #0,0: 24:[29, 50, 10] Operation: 90-80=10 Moving to Node #0,0 Current State: 24:[29, 50, 10], Operations: ['90-80=10'] Exploring Operation: 50-29=21, Resulting Numbers: [10, 21] Generated Node #0,0,0: 24:[10, 21] Operation: 50-29=21 Moving to Node #0,0,0 Current State: 24:[10, 21], Operations: ['90-80=10', '50-29=21'] Exploring Operation: 21-10=11, Resulting Numbers: [11] 11,24 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 27, 8, 46, 49 ]
16
[ "27-8=19", "49-46=3", "19-3=16" ]
Current State: 16:[27, 8, 46, 49], Operations: [] Exploring Operation: 27-8=19, Resulting Numbers: [46, 49, 19] Generated Node #2: [46, 49, 19] from Operation: 27-8=19 Current State: 16:[46, 49, 19], Operations: ['27-8=19'] Exploring Operation: 49-46=3, Resulting Numbers: [19, 3] Generated Node #3: [19, 3] from Operation: 49-46=3 Current State: 16:[19, 3], Operations: ['27-8=19', '49-46=3'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached
4
Current State: 16:[27, 8, 46, 49], Operations: [] Exploring Operation: 46-27=19, Resulting Numbers: [8, 49, 19] Generated Node #0,0: 16:[8, 49, 19] Operation: 46-27=19 Exploring Operation: 49-46=3, Resulting Numbers: [27, 8, 3] Generated Node #0,1: 16:[27, 8, 3] Operation: 49-46=3 Exploring Operation: 49-27=22, Resulting Numbers: [8, 46, 22] Generated Node #0,2: 16:[8, 46, 22] Operation: 49-27=22 Start Sub Search at level 1: Moving to Node #0,1 Current State: 16:[27, 8, 3], Operations: ['49-46=3'] Exploring Operation: 27-8=19, Resulting Numbers: [3, 19] Generated Node #0,1,0: 16:[3, 19] Operation: 27-8=19 Exploring Operation: 27-3=24, Resulting Numbers: [8, 24] Generated Node #0,1,1: 16:[8, 24] Operation: 27-3=24 Exploring Operation: 27/3=9, Resulting Numbers: [8, 9] Generated Node #0,1,2: 16:[8, 9] Operation: 27/3=9 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 16:[8, 9], Operations: ['49-46=3', '27/3=9'] Exploring Operation: 8+9=17, Resulting Numbers: [17] 17,16 unequal: No Solution Exploring Operation: 8*9=72, Resulting Numbers: [72] 72,16 unequal: No Solution Exploring Operation: 9-8=1, Resulting Numbers: [1] 1,16 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 #0,1,0 Current State: 16:[3, 19], Operations: ['49-46=3', '27-8=19'] Exploring Operation: 3+19=22, Resulting Numbers: [22] 22,16 unequal: No Solution Exploring Operation: 3*19=57, Resulting Numbers: [57] 57,16 unequal: No Solution Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Moving to Node #0 Current State: 16:[27, 8, 46, 49], Operations: [] Exploring Operation: 49-46=3, Resulting Numbers: [27, 8, 3] Generated Node #0,1: 16:[27, 8, 3] Operation: 49-46=3 Moving to Node #0,1 Current State: 16:[27, 8, 3], Operations: ['49-46=3'] Exploring Operation: 27-8=19, Resulting Numbers: [3, 19] Generated Node #0,1,0: 16:[3, 19] Operation: 27-8=19 Moving to Node #0,1,0 Current State: 16:[3, 19], Operations: ['49-46=3', '27-8=19'] Exploring Operation: 19-3=16, Resulting Numbers: [16] 16,16 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986111
hs_3
mult_heuristic
[ 12, 25, 14, 46 ]
20
[ "14+46=60", "60/12=5", "25-5=20" ]
Current State: 20:[12, 25, 14, 46], Operations: [] Exploring Operation: 14+46=60, Resulting Numbers: [12, 25, 60] Generated Node #2: [12, 25, 60] from Operation: 14+46=60 Current State: 20:[12, 25, 60], Operations: ['14+46=60'] Exploring Operation: 60/12=5, Resulting Numbers: [25, 5] Generated Node #3: [25, 5] from Operation: 60/12=5 Current State: 20:[25, 5], Operations: ['14+46=60', '60/12=5'] Exploring Operation: 25-5=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[12, 25, 14, 46], Operations: [] Exploring Operation: 46-14=32, Resulting Numbers: [12, 25, 32] Generated Node #0,0: 20:[12, 25, 32] Operation: 46-14=32 Exploring Operation: 46-25=21, Resulting Numbers: [12, 14, 21] Generated Node #0,1: 20:[12, 14, 21] Operation: 46-25=21 Start Sub Search at level 1: Moving to Node #0,1 Current State: 20:[12, 14, 21], Operations: ['46-25=21'] Exploring Operation: 21-14=7, Resulting Numbers: [12, 7] Generated Node #0,1,0: 20:[12, 7] Operation: 21-14=7 Exploring Operation: 14-12=2, Resulting Numbers: [21, 2] Generated Node #0,1,1: 20:[21, 2] Operation: 14-12=2 Moving to Node #0,1,1 Current State: 20:[21, 2], Operations: ['46-25=21', '14-12=2'] Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,20 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[12, 7], Operations: ['46-25=21', '21-14=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[12, 25, 32], Operations: ['46-14=32'] Exploring Operation: 32-25=7, Resulting Numbers: [12, 7] Generated Node #0,0,0: 20:[12, 7] Operation: 32-25=7 Exploring Operation: 32-12=20, Resulting Numbers: [25, 20] Generated Node #0,0,1: 20:[25, 20] Operation: 32-12=20 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[12, 7], Operations: ['46-14=32', '32-25=7'] Exploring Operation: 12+7=19, Resulting Numbers: [19] 19,20 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,20 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:[25, 20], Operations: ['46-14=32', '32-12=20'] Exploring Operation: 25+20=45, Resulting Numbers: [45] 45,20 unequal: No Solution Exploring Operation: 25-20=5, Resulting Numbers: [5] 5,20 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
sum_heuristic
[ 23, 93, 66, 42 ]
94
[ "93-23=70", "66-42=24", "70+24=94" ]
Current State: 94:[23, 93, 66, 42], Operations: [] Exploring Operation: 93-23=70, Resulting Numbers: [66, 42, 70] Generated Node #2: [66, 42, 70] from Operation: 93-23=70 Current State: 94:[66, 42, 70], Operations: ['93-23=70'] Exploring Operation: 66-42=24, Resulting Numbers: [70, 24] Generated Node #3: [70, 24] from Operation: 66-42=24 Current State: 94:[70, 24], Operations: ['93-23=70', '66-42=24'] Exploring Operation: 70+24=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[23, 93, 66, 42], Operations: [] Exploring Operation: 66+42=108, Resulting Numbers: [23, 93, 108] Generated Node #0,0: 94:[23, 93, 108] Operation: 66+42=108 Exploring Operation: 23+66=89, Resulting Numbers: [93, 42, 89] Generated Node #0,1: 94:[93, 42, 89] Operation: 23+66=89 Exploring Operation: 66-23=43, Resulting Numbers: [93, 42, 43] Generated Node #0,2: 94:[93, 42, 43] Operation: 66-23=43 Moving to Node #0,2 Current State: 94:[93, 42, 43], Operations: ['66-23=43'] Exploring Operation: 93-42=51, Resulting Numbers: [43, 51] Generated Node #0,2,0: 94:[43, 51] Operation: 93-42=51 Exploring Operation: 43-42=1, Resulting Numbers: [93, 1] Generated Node #0,2,1: 94:[93, 1] Operation: 43-42=1 Exploring Operation: 93-43=50, Resulting Numbers: [42, 50] Generated Node #0,2,2: 94:[42, 50] Operation: 93-43=50 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 94:[93, 1], Operations: ['66-23=43', '43-42=1'] Exploring Operation: 93*1=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 93/1=93, Resulting Numbers: [93] 93,94 unequal: No Solution Exploring Operation: 93+1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[23, 93, 66, 42], Operations: [] Exploring Operation: 66-23=43, Resulting Numbers: [93, 42, 43] Generated Node #0,2: 94:[93, 42, 43] Operation: 66-23=43 Moving to Node #0,2 Current State: 94:[93, 42, 43], Operations: ['66-23=43'] Exploring Operation: 43-42=1, Resulting Numbers: [93, 1] Generated Node #0,2,1: 94:[93, 1] Operation: 43-42=1 Moving to Node #0,2,1 Current State: 94:[93, 1], Operations: ['66-23=43', '43-42=1'] Exploring Operation: 93+1=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 55, 51, 19, 2 ]
21
[ "55-51=4", "19-2=17", "4+17=21" ]
Current State: 21:[55, 51, 19, 2], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [19, 2, 4] Generated Node #2: [19, 2, 4] from Operation: 55-51=4 Current State: 21:[19, 2, 4], Operations: ['55-51=4'] Exploring Operation: 19-2=17, Resulting Numbers: [4, 17] Generated Node #3: [4, 17] from Operation: 19-2=17 Current State: 21:[4, 17], Operations: ['55-51=4', '19-2=17'] Exploring Operation: 4+17=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[55, 51, 19, 2], Operations: [] Exploring Operation: 55-51=4, Resulting Numbers: [19, 2, 4] Generated Node #0,0: 21:[19, 2, 4] Operation: 55-51=4 Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[19, 2, 4], Operations: ['55-51=4'] Exploring Operation: 19+2=21, Resulting Numbers: [4, 21] Generated Node #0,0,0: 21:[4, 21] Operation: 19+2=21 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 21:[4, 21], Operations: ['55-51=4', '19+2=21'] Exploring Operation: 4+21=25, Resulting Numbers: [25] 25,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 22, 10, 84, 5 ]
40
[ "22*10=220", "220/5=44", "84-44=40" ]
Current State: 40:[22, 10, 84, 5], Operations: [] Exploring Operation: 22*10=220, Resulting Numbers: [84, 5, 220] Generated Node #2: [84, 5, 220] from Operation: 22*10=220 Current State: 40:[84, 5, 220], Operations: ['22*10=220'] Exploring Operation: 220/5=44, Resulting Numbers: [84, 44] Generated Node #3: [84, 44] from Operation: 220/5=44 Current State: 40:[84, 44], Operations: ['22*10=220', '220/5=44'] Exploring Operation: 84-44=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[22, 10, 84, 5], Operations: [] Exploring Operation: 84-22=62, Resulting Numbers: [10, 5, 62] Generated Node #0,0: 40:[10, 5, 62] Operation: 84-22=62 Moving to Node #0,0 Current State: 40:[10, 5, 62], Operations: ['84-22=62'] Exploring Operation: 62-10=52, Resulting Numbers: [5, 52] Generated Node #0,0,0: 40:[5, 52] Operation: 62-10=52 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 40:[5, 52], Operations: ['84-22=62', '62-10=52'] Exploring Operation: 52-5=47, Resulting Numbers: [47] 47,40 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
[ 5, 56, 24, 19 ]
31
[ "24-19=5", "5*5=25", "56-25=31" ]
Current State: 31:[5, 56, 24, 19], Operations: [] Exploring Operation: 24-19=5, Resulting Numbers: [5, 56, 5] Generated Node #2: [5, 56, 5] from Operation: 24-19=5 Current State: 31:[5, 56, 5], Operations: ['24-19=5'] Exploring Operation: 5*5=25, Resulting Numbers: [56, 25] Generated Node #3: [56, 25] from Operation: 5*5=25 Current State: 31:[56, 25], Operations: ['24-19=5', '5*5=25'] Exploring Operation: 56-25=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[5, 56, 24, 19], Operations: [] Exploring Operation: 56-19=37, Resulting Numbers: [5, 24, 37] Generated Node #0,0: 31:[5, 24, 37] Operation: 56-19=37 Exploring Operation: 56-24=32, Resulting Numbers: [5, 19, 32] Generated Node #0,1: 31:[5, 19, 32] Operation: 56-24=32 Exploring Operation: 5+19=24, Resulting Numbers: [56, 24, 24] Generated Node #0,2: 31:[56, 24, 24] Operation: 5+19=24 Exploring Operation: 56-5=51, Resulting Numbers: [24, 19, 51] Generated Node #0,3: 31:[24, 19, 51] Operation: 56-5=51 Exploring Operation: 5+24=29, Resulting Numbers: [56, 19, 29] Generated Node #0,4: 31:[56, 19, 29] Operation: 5+24=29 Start Sub Search at level 1: Moving to Node #0,0 Current State: 31:[5, 24, 37], Operations: ['56-19=37'] Exploring Operation: 37-24=13, Resulting Numbers: [5, 13] Generated Node #0,0,0: 31:[5, 13] Operation: 37-24=13 Exploring Operation: 5+24=29, Resulting Numbers: [37, 29] Generated Node #0,0,1: 31:[37, 29] Operation: 5+24=29 Exploring Operation: 24-5=19, Resulting Numbers: [37, 19] Generated Node #0,0,2: 31:[37, 19] Operation: 24-5=19 Exploring Operation: 37-5=32, Resulting Numbers: [24, 32] Generated Node #0,0,3: 31:[24, 32] Operation: 37-5=32 Exploring Operation: 5+37=42, Resulting Numbers: [24, 42] Generated Node #0,0,4: 31:[24, 42] Operation: 5+37=42 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 31:[37, 29], Operations: ['56-19=37', '5+24=29'] Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,31 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 31:[24, 32], Operations: ['56-19=37', '37-5=32'] Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 31:[37, 19], Operations: ['56-19=37', '24-5=19'] Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 37*19=703, Resulting Numbers: [703] 703,31 unequal: No Solution Exploring Operation: 37+19=56, Resulting Numbers: [56] 56,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 31:[24, 42], Operations: ['56-19=37', '5+37=42'] Exploring Operation: 24+42=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 24*42=1008, Resulting Numbers: [1008] 1008,31 unequal: No Solution Exploring Operation: 42-24=18, Resulting Numbers: [18] 18,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 31:[5, 13], Operations: ['56-19=37', '37-24=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,31 unequal: No Solution Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,31 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 31:[5, 19, 32], Operations: ['56-24=32'] Exploring Operation: 5+32=37, Resulting Numbers: [19, 37] Generated Node #0,1,0: 31:[19, 37] Operation: 5+32=37 Exploring Operation: 5+19=24, Resulting Numbers: [32, 24] Generated Node #0,1,1: 31:[32, 24] Operation: 5+19=24 Exploring Operation: 19-5=14, Resulting Numbers: [32, 14] Generated Node #0,1,2: 31:[32, 14] Operation: 19-5=14 Exploring Operation: 32-19=13, Resulting Numbers: [5, 13] Generated Node #0,1,3: 31:[5, 13] Operation: 32-19=13 Exploring Operation: 32-5=27, Resulting Numbers: [19, 27] Generated Node #0,1,4: 31:[19, 27] Operation: 32-5=27 Moving to Node #0,1,1 Current State: 31:[32, 24], Operations: ['56-24=32', '5+19=24'] Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 32*24=768, Resulting Numbers: [768] 768,31 unequal: No Solution Exploring Operation: 32+24=56, Resulting Numbers: [56] 56,31 unequal: No Solution Moving to Node #0,1,4 Current State: 31:[19, 27], Operations: ['56-24=32', '32-5=27'] Exploring Operation: 19*27=513, Resulting Numbers: [513] 513,31 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,31 unequal: No Solution Moving to Node #0,1,0 Current State: 31:[19, 37], Operations: ['56-24=32', '5+32=37'] Exploring Operation: 19*37=703, Resulting Numbers: [703] 703,31 unequal: No Solution Exploring Operation: 37-19=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 19+37=56, Resulting Numbers: [56] 56,31 unequal: No Solution Moving to Node #0,1,2 Current State: 31:[32, 14], Operations: ['56-24=32', '19-5=14'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,31 unequal: No Solution Exploring Operation: 32*14=448, Resulting Numbers: [448] 448,31 unequal: No Solution Exploring Operation: 32+14=46, Resulting Numbers: [46] 46,31 unequal: No Solution Moving to Node #0,1,3 Current State: 31:[5, 13], Operations: ['56-24=32', '32-19=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,31 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,31 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 31:[56, 24, 24], Operations: ['5+19=24'] Exploring Operation: 24/24=1, Resulting Numbers: [56, 1] Generated Node #0,2,0: 31:[56, 1] Operation: 24/24=1 Exploring Operation: 56+24=80, Resulting Numbers: [24, 80] Generated Node #0,2,1: 31:[24, 80] Operation: 56+24=80 Exploring Operation: 24+24=48, Resulting Numbers: [56, 48] Generated Node #0,2,2: 31:[56, 48] Operation: 24+24=48 Exploring Operation: 56-24=32, Resulting Numbers: [24, 32] Generated Node #0,2,3: 31:[24, 32] Operation: 56-24=32 Exploring Operation: 56-24=32, Resulting Numbers: [24, 32] Generated Node #0,2,4: 31:[24, 32] Operation: 56-24=32 Moving to Node #0,2,3 Current State: 31:[24, 32], Operations: ['5+19=24', '56-24=32'] Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,31 unequal: No Solution Moving to Node #0,2,4 Current State: 31:[24, 32], Operations: ['5+19=24', '56-24=32'] Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,31 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,31 unequal: No Solution Moving to Node #0,2,2 Current State: 31:[56, 48], Operations: ['5+19=24', '24+24=48'] Exploring Operation: 56+48=104, Resulting Numbers: [104] 104,31 unequal: No Solution Exploring Operation: 56*48=2688, Resulting Numbers: [2688] 2688,31 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,31 unequal: No Solution Moving to Node #0,2,0 Current State: 31:[56, 1], Operations: ['5+19=24', '24/24=1'] Exploring Operation: 56*1=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 56+1=57, Resulting Numbers: [57] 57,31 unequal: No Solution Exploring Operation: 56-1=55, Resulting Numbers: [55] 55,31 unequal: No Solution Exploring Operation: 56/1=56, Resulting Numbers: [56] 56,31 unequal: No Solution Moving to Node #0,2,1 Current State: 31:[24, 80], Operations: ['5+19=24', '56+24=80'] Exploring Operation: 24+80=104, Resulting Numbers: [104] 104,31 unequal: No Solution Exploring Operation: 80-24=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 24*80=1920, Resulting Numbers: [1920] 1920,31 unequal: No Solution No 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: 31:[24, 19, 51], Operations: ['56-5=51'] Exploring Operation: 19+51=70, Resulting Numbers: [24, 70] Generated Node #0,3,0: 31:[24, 70] Operation: 19+51=70 Exploring Operation: 51-24=27, Resulting Numbers: [19, 27] Generated Node #0,3,1: 31:[19, 27] Operation: 51-24=27 Exploring Operation: 24+19=43, Resulting Numbers: [51, 43] Generated Node #0,3,2: 31:[51, 43] Operation: 24+19=43 Exploring Operation: 24-19=5, Resulting Numbers: [51, 5] Generated Node #0,3,3: 31:[51, 5] Operation: 24-19=5 Exploring Operation: 51-19=32, Resulting Numbers: [24, 32] Generated Node #0,3,4: 31:[24, 32] Operation: 51-19=32 Moving to Node #0,3,4 Current State: 31:[24, 32], Operations: ['56-5=51', '51-19=32'] Exploring Operation: 24*32=768, Resulting Numbers: [768] 768,31 unequal: No Solution Exploring Operation: 24+32=56, Resulting Numbers: [56] 56,31 unequal: No Solution Exploring Operation: 32-24=8, Resulting Numbers: [8] 8,31 unequal: No Solution Moving to Node #0,3,1 Current State: 31:[19, 27], Operations: ['56-5=51', '51-24=27'] Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 19*27=513, Resulting Numbers: [513] 513,31 unequal: No Solution Moving to Node #0,3,2 Current State: 31:[51, 43], Operations: ['56-5=51', '24+19=43'] Exploring Operation: 51+43=94, Resulting Numbers: [94] 94,31 unequal: No Solution Exploring Operation: 51-43=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 51*43=2193, Resulting Numbers: [2193] 2193,31 unequal: No Solution Moving to Node #0,3,0 Current State: 31:[24, 70], Operations: ['56-5=51', '19+51=70'] Exploring Operation: 24*70=1680, Resulting Numbers: [1680] 1680,31 unequal: No Solution Exploring Operation: 24+70=94, Resulting Numbers: [94] 94,31 unequal: No Solution Exploring Operation: 70-24=46, Resulting Numbers: [46] 46,31 unequal: No Solution Moving to Node #0,3,3 Current State: 31:[51, 5], Operations: ['56-5=51', '24-19=5'] Exploring Operation: 51*5=255, Resulting Numbers: [255] 255,31 unequal: No Solution Exploring Operation: 51-5=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 51+5=56, Resulting Numbers: [56] 56,31 unequal: No Solution No 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: 31:[56, 19, 29], Operations: ['5+24=29'] Exploring Operation: 29-19=10, Resulting Numbers: [56, 10] Generated Node #0,4,0: 31:[56, 10] Operation: 29-19=10 Exploring Operation: 56-29=27, Resulting Numbers: [19, 27] Generated Node #0,4,1: 31:[19, 27] Operation: 56-29=27 Exploring Operation: 56+19=75, Resulting Numbers: [29, 75] Generated Node #0,4,2: 31:[29, 75] Operation: 56+19=75 Exploring Operation: 19+29=48, Resulting Numbers: [56, 48] Generated Node #0,4,3: 31:[56, 48] Operation: 19+29=48 Exploring Operation: 56-19=37, Resulting Numbers: [29, 37] Generated Node #0,4,4: 31:[29, 37] Operation: 56-19=37 Moving to Node #0,4,4 Current State: 31:[29, 37], Operations: ['5+24=29', '56-19=37'] Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,31 unequal: No Solution Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 29*37=1073, Resulting Numbers: [1073] 1073,31 unequal: No Solution Moving to Node #0,4,1 Current State: 31:[19, 27], Operations: ['5+24=29', '56-29=27'] Exploring Operation: 19+27=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 19*27=513, Resulting Numbers: [513] 513,31 unequal: No Solution Exploring Operation: 27-19=8, Resulting Numbers: [8] 8,31 unequal: No Solution Moving to Node #0,4,3 Current State: 31:[56, 48], Operations: ['5+24=29', '19+29=48'] Exploring Operation: 56+48=104, Resulting Numbers: [104] 104,31 unequal: No Solution Exploring Operation: 56*48=2688, Resulting Numbers: [2688] 2688,31 unequal: No Solution Exploring Operation: 56-48=8, Resulting Numbers: [8] 8,31 unequal: No Solution Moving to Node #0,4,0 Current State: 31:[56, 10], Operations: ['5+24=29', '29-19=10'] Exploring Operation: 56+10=66, Resulting Numbers: [66] 66,31 unequal: No Solution Exploring Operation: 56-10=46, Resulting Numbers: [46] 46,31 unequal: No Solution Exploring Operation: 56*10=560, Resulting Numbers: [560] 560,31 unequal: No Solution Moving to Node #0,4,2 Current State: 31:[29, 75], Operations: ['5+24=29', '56+19=75'] Exploring Operation: 29+75=104, Resulting Numbers: [104] 104,31 unequal: No Solution Exploring Operation: 29*75=2175, Resulting Numbers: [2175] 2175,31 unequal: No Solution Exploring Operation: 75-29=46, Resulting Numbers: [46] 46,31 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
[ 81, 62, 7, 41 ]
27
[ "81*7=567", "62-41=21", "567/21=27" ]
Current State: 27:[81, 62, 7, 41], Operations: [] Exploring Operation: 81*7=567, Resulting Numbers: [62, 41, 567] Generated Node #2: [62, 41, 567] from Operation: 81*7=567 Current State: 27:[62, 41, 567], Operations: ['81*7=567'] Exploring Operation: 62-41=21, Resulting Numbers: [567, 21] Generated Node #3: [567, 21] from Operation: 62-41=21 Current State: 27:[567, 21], Operations: ['81*7=567', '62-41=21'] Exploring Operation: 567/21=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[81, 62, 7, 41], Operations: [] Exploring Operation: 81-62=19, Resulting Numbers: [7, 41, 19] Generated Node #0,0: 27:[7, 41, 19] Operation: 81-62=19 Exploring Operation: 81-41=40, Resulting Numbers: [62, 7, 40] Generated Node #0,1: 27:[62, 7, 40] Operation: 81-41=40 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[7, 41, 19], Operations: ['81-62=19'] Exploring Operation: 41-7=34, Resulting Numbers: [19, 34] Generated Node #0,0,0: 27:[19, 34] Operation: 41-7=34 Exploring Operation: 41-19=22, Resulting Numbers: [7, 22] Generated Node #0,0,1: 27:[7, 22] Operation: 41-19=22 Moving to Node #0,0,1 Current State: 27:[7, 22], Operations: ['81-62=19', '41-19=22'] Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,27 unequal: No Solution Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,27 unequal: No Solution Moving to Node #0,0,0 Current State: 27:[19, 34], Operations: ['81-62=19', '41-7=34'] Exploring Operation: 34-19=15, Resulting Numbers: [15] 15,27 unequal: No Solution Exploring Operation: 19+34=53, Resulting Numbers: [53] 53,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 27:[62, 7, 40], Operations: ['81-41=40'] Exploring Operation: 62-40=22, Resulting Numbers: [7, 22] Generated Node #0,1,0: 27:[7, 22] Operation: 62-40=22 Exploring Operation: 62-7=55, Resulting Numbers: [40, 55] Generated Node #0,1,1: 27:[40, 55] Operation: 62-7=55 Moving to Node #0,1,0 Current State: 27:[7, 22], Operations: ['81-41=40', '62-40=22'] Exploring Operation: 7+22=29, Resulting Numbers: [29] 29,27 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,27 unequal: No Solution Moving to Node #0,1,1 Current State: 27:[40, 55], Operations: ['81-41=40', '62-7=55'] Exploring Operation: 40+55=95, Resulting Numbers: [95] 95,27 unequal: No Solution Exploring Operation: 55-40=15, Resulting Numbers: [15] 15,27 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 56, 72, 15, 82 ]
61
[ "56+72=128", "82-15=67", "128-67=61" ]
Current State: 61:[56, 72, 15, 82], Operations: [] Exploring Operation: 56+72=128, Resulting Numbers: [15, 82, 128] Generated Node #2: [15, 82, 128] from Operation: 56+72=128 Current State: 61:[15, 82, 128], Operations: ['56+72=128'] Exploring Operation: 82-15=67, Resulting Numbers: [128, 67] Generated Node #3: [128, 67] from Operation: 82-15=67 Current State: 61:[128, 67], Operations: ['56+72=128', '82-15=67'] Exploring Operation: 128-67=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[56, 72, 15, 82], Operations: [] Exploring Operation: 72-15=57, Resulting Numbers: [56, 82, 57] Generated Node #0,0: 61:[56, 82, 57] Operation: 72-15=57 Exploring Operation: 56+15=71, Resulting Numbers: [72, 82, 71] Generated Node #0,1: 61:[72, 82, 71] Operation: 56+15=71 Exploring Operation: 82-15=67, Resulting Numbers: [56, 72, 67] Generated Node #0,2: 61:[56, 72, 67] Operation: 82-15=67 Start Sub Search at level 1: Moving to Node #0,2 Current State: 61:[56, 72, 67], Operations: ['82-15=67'] Exploring Operation: 67-56=11, Resulting Numbers: [72, 11] Generated Node #0,2,0: 61:[72, 11] Operation: 67-56=11 Exploring Operation: 72-56=16, Resulting Numbers: [67, 16] Generated Node #0,2,1: 61:[67, 16] Operation: 72-56=16 Exploring Operation: 72-67=5, Resulting Numbers: [56, 5] Generated Node #0,2,2: 61:[56, 5] Operation: 72-67=5 Moving to Node #0,2,1 Current State: 61:[67, 16], Operations: ['82-15=67', '72-56=16'] Exploring Operation: 67*16=1072, Resulting Numbers: [1072] 1072,61 unequal: No Solution Exploring Operation: 67-16=51, Resulting Numbers: [51] 51,61 unequal: No Solution Exploring Operation: 67+16=83, Resulting Numbers: [83] 83,61 unequal: No Solution Moving to Node #0,2,0 Current State: 61:[72, 11], Operations: ['82-15=67', '67-56=11'] Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Moving to Node #0 Current State: 61:[56, 72, 15, 82], Operations: [] Exploring Operation: 82-15=67, Resulting Numbers: [56, 72, 67] Generated Node #0,2: 61:[56, 72, 67] Operation: 82-15=67 Moving to Node #0,2 Current State: 61:[56, 72, 67], Operations: ['82-15=67'] Exploring Operation: 67-56=11, Resulting Numbers: [72, 11] Generated Node #0,2,0: 61:[72, 11] Operation: 67-56=11 Moving to Node #0,2,0 Current State: 61:[72, 11], Operations: ['82-15=67', '67-56=11'] Exploring Operation: 72-11=61, Resulting Numbers: [61] 61,61 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 63, 9, 44, 60 ]
81
[ "60-44=16", "9*16=144", "144-63=81" ]
Current State: 81:[63, 9, 44, 60], Operations: [] Exploring Operation: 60-44=16, Resulting Numbers: [63, 9, 16] Generated Node #2: [63, 9, 16] from Operation: 60-44=16 Current State: 81:[63, 9, 16], Operations: ['60-44=16'] Exploring Operation: 9*16=144, Resulting Numbers: [63, 144] Generated Node #3: [63, 144] from Operation: 9*16=144 Current State: 81:[63, 144], Operations: ['60-44=16', '9*16=144'] Exploring Operation: 144-63=81, Resulting Numbers: [81] 81,81 equal: Goal Reached
4
Current State: 81:[63, 9, 44, 60], Operations: [] Exploring Operation: 63-44=19, Resulting Numbers: [9, 60, 19] Generated Node #0,0: 81:[9, 60, 19] Operation: 63-44=19 Exploring Operation: 63-60=3, Resulting Numbers: [9, 44, 3] Generated Node #0,1: 81:[9, 44, 3] Operation: 63-60=3 Exploring Operation: 63/9=7, Resulting Numbers: [44, 60, 7] Generated Node #0,2: 81:[44, 60, 7] Operation: 63/9=7 Exploring Operation: 60-44=16, Resulting Numbers: [63, 9, 16] Generated Node #0,3: 81:[63, 9, 16] Operation: 60-44=16 Moving to Node #0,1 Current State: 81:[9, 44, 3], Operations: ['63-60=3'] Exploring Operation: 44-9=35, Resulting Numbers: [3, 35] Generated Node #0,1,0: 81:[3, 35] Operation: 44-9=35 Exploring Operation: 9/3=3, Resulting Numbers: [44, 3] Generated Node #0,1,1: 81:[44, 3] Operation: 9/3=3 Exploring Operation: 44-3=41, Resulting Numbers: [9, 41] Generated Node #0,1,2: 81:[9, 41] Operation: 44-3=41 Exploring Operation: 9*3=27, Resulting Numbers: [44, 27] Generated Node #0,1,3: 81:[44, 27] Operation: 9*3=27 Moving to Node #0,3 Current State: 81:[63, 9, 16], Operations: ['60-44=16'] Exploring Operation: 63+16=79, Resulting Numbers: [9, 79] Generated Node #0,3,0: 81:[9, 79] Operation: 63+16=79 Exploring Operation: 63+9=72, Resulting Numbers: [16, 72] Generated Node #0,3,1: 81:[16, 72] Operation: 63+9=72 Exploring Operation: 63-16=47, Resulting Numbers: [9, 47] Generated Node #0,3,2: 81:[9, 47] Operation: 63-16=47 Exploring Operation: 63/9=7, Resulting Numbers: [16, 7] Generated Node #0,3,3: 81:[16, 7] Operation: 63/9=7 Moving to Node #0,0 Current State: 81:[9, 60, 19], Operations: ['63-44=19'] Exploring Operation: 9+19=28, Resulting Numbers: [60, 28] Generated Node #0,0,0: 81:[60, 28] Operation: 9+19=28 Exploring Operation: 60+19=79, Resulting Numbers: [9, 79] Generated Node #0,0,1: 81:[9, 79] Operation: 60+19=79 Exploring Operation: 9+60=69, Resulting Numbers: [19, 69] Generated Node #0,0,2: 81:[19, 69] Operation: 9+60=69 Exploring Operation: 60-19=41, Resulting Numbers: [9, 41] Generated Node #0,0,3: 81:[9, 41] Operation: 60-19=41 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 81:[9, 79], Operations: ['63-44=19', '60+19=79'] Exploring Operation: 9*79=711, Resulting Numbers: [711] 711,81 unequal: No Solution Exploring Operation: 9+79=88, Resulting Numbers: [88] 88,81 unequal: No Solution Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 81:[9, 41], Operations: ['63-44=19', '60-19=41'] Exploring Operation: 9*41=369, Resulting Numbers: [369] 369,81 unequal: No Solution Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 9+41=50, Resulting Numbers: [50] 50,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 81:[19, 69], Operations: ['63-44=19', '9+60=69'] Exploring Operation: 19+69=88, Resulting Numbers: [88] 88,81 unequal: No Solution Exploring Operation: 69-19=50, Resulting Numbers: [50] 50,81 unequal: No Solution Exploring Operation: 19*69=1311, Resulting Numbers: [1311] 1311,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 81:[60, 28], Operations: ['63-44=19', '9+19=28'] Exploring Operation: 60+28=88, Resulting Numbers: [88] 88,81 unequal: No Solution Exploring Operation: 60-28=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 60*28=1680, Resulting Numbers: [1680] 1680,81 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: 81:[44, 60, 7], Operations: ['63/9=7'] Exploring Operation: 60-44=16, Resulting Numbers: [7, 16] Generated Node #0,2,0: 81:[7, 16] Operation: 60-44=16 Exploring Operation: 60+7=67, Resulting Numbers: [44, 67] Generated Node #0,2,1: 81:[44, 67] Operation: 60+7=67 Exploring Operation: 44+60=104, Resulting Numbers: [7, 104] Generated Node #0,2,2: 81:[7, 104] Operation: 44+60=104 Exploring Operation: 44-7=37, Resulting Numbers: [60, 37] Generated Node #0,2,3: 81:[60, 37] Operation: 44-7=37 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 81:[7, 16], Operations: ['63/9=7', '60-44=16'] Exploring Operation: 7*16=112, Resulting Numbers: [112] 112,81 unequal: No Solution Exploring Operation: 7+16=23, Resulting Numbers: [23] 23,81 unequal: No Solution Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 81:[7, 104], Operations: ['63/9=7', '44+60=104'] Exploring Operation: 7+104=111, Resulting Numbers: [111] 111,81 unequal: No Solution Exploring Operation: 7*104=728, Resulting Numbers: [728] 728,81 unequal: No Solution Exploring Operation: 104-7=97, Resulting Numbers: [97] 97,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 81:[44, 67], Operations: ['63/9=7', '60+7=67'] Exploring Operation: 67-44=23, Resulting Numbers: [23] 23,81 unequal: No Solution Exploring Operation: 44*67=2948, Resulting Numbers: [2948] 2948,81 unequal: No Solution Exploring Operation: 44+67=111, Resulting Numbers: [111] 111,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 81:[60, 37], Operations: ['63/9=7', '44-7=37'] Exploring Operation: 60+37=97, Resulting Numbers: [97] 97,81 unequal: No Solution Exploring Operation: 60-37=23, Resulting Numbers: [23] 23,81 unequal: No Solution Exploring Operation: 60*37=2220, Resulting Numbers: [2220] 2220,81 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,0 Current State: 81:[9, 79], Operations: ['60-44=16', '63+16=79'] Exploring Operation: 9+79=88, Resulting Numbers: [88] 88,81 unequal: No Solution Exploring Operation: 79-9=70, Resulting Numbers: [70] 70,81 unequal: No Solution Exploring Operation: 9*79=711, Resulting Numbers: [711] 711,81 unequal: No Solution Moving to Node #0,1,0 Current State: 81:[3, 35], Operations: ['63-60=3', '44-9=35'] Exploring Operation: 3*35=105, Resulting Numbers: [105] 105,81 unequal: No Solution Exploring Operation: 35-3=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 3+35=38, Resulting Numbers: [38] 38,81 unequal: No Solution Moving to Node #0,3,3 Current State: 81:[16, 7], Operations: ['60-44=16', '63/9=7'] Exploring Operation: 16-7=9, Resulting Numbers: [9] 9,81 unequal: No Solution Exploring Operation: 16*7=112, Resulting Numbers: [112] 112,81 unequal: No Solution Exploring Operation: 16+7=23, Resulting Numbers: [23] 23,81 unequal: No Solution Moving to Node #0,1,2 Current State: 81:[9, 41], Operations: ['63-60=3', '44-3=41'] Exploring Operation: 9*41=369, Resulting Numbers: [369] 369,81 unequal: No Solution Exploring Operation: 41-9=32, Resulting Numbers: [32] 32,81 unequal: No Solution Exploring Operation: 9+41=50, Resulting Numbers: [50] 50,81 unequal: No Solution Moving to Node #0,3,1 Current State: 81:[16, 72], Operations: ['60-44=16', '63+9=72'] Exploring Operation: 16*72=1152, Resulting Numbers: [1152] 1152,81 unequal: No Solution Exploring Operation: 72-16=56, Resulting Numbers: [56] 56,81 unequal: No Solution Exploring Operation: 16+72=88, Resulting Numbers: [88] 88,81 unequal: No Solution Moving to Node #0,1,3 Current State: 81:[44, 27], Operations: ['63-60=3', '9*3=27'] Exploring Operation: 44+27=71, Resulting Numbers: [71] 71,81 unequal: No Solution Exploring Operation: 44-27=17, Resulting Numbers: [17] 17,81 unequal: No Solution Exploring Operation: 44*27=1188, Resulting Numbers: [1188] 1188,81 unequal: No Solution Moving to Node #0,1,1 Current State: 81:[44, 3], Operations: ['63-60=3', '9/3=3'] Exploring Operation: 44-3=41, Resulting Numbers: [41] 41,81 unequal: No Solution Exploring Operation: 44+3=47, Resulting Numbers: [47] 47,81 unequal: No Solution Exploring Operation: 44*3=132, Resulting Numbers: [132] 132,81 unequal: No Solution Moving to Node #0,3,2 Current State: 81:[9, 47], Operations: ['60-44=16', '63-16=47'] Exploring Operation: 47-9=38, Resulting Numbers: [38] 38,81 unequal: No Solution Exploring Operation: 9*47=423, Resulting Numbers: [423] 423,81 unequal: No Solution Exploring Operation: 9+47=56, Resulting Numbers: [56] 56,81 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 67, 10, 11, 81 ]
30
[ "67+11=78", "81-78=3", "10*3=30" ]
Current State: 30:[67, 10, 11, 81], Operations: [] Exploring Operation: 67+11=78, Resulting Numbers: [10, 81, 78] Generated Node #2: [10, 81, 78] from Operation: 67+11=78 Current State: 30:[10, 81, 78], Operations: ['67+11=78'] Exploring Operation: 81-78=3, Resulting Numbers: [10, 3] Generated Node #3: [10, 3] from Operation: 81-78=3 Current State: 30:[10, 3], Operations: ['67+11=78', '81-78=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[67, 10, 11, 81], Operations: [] Exploring Operation: 81-67=14, Resulting Numbers: [10, 11, 14] Generated Node #0,0: 30:[10, 11, 14] Operation: 81-67=14 Start Sub Search at level 1: Moving to Node #0,0 Current State: 30:[10, 11, 14], Operations: ['81-67=14'] Exploring Operation: 14-11=3, Resulting Numbers: [10, 3] Generated Node #0,0,0: 30:[10, 3] Operation: 14-11=3 Moving to Node #0,0,0 Current State: 30:[10, 3], Operations: ['81-67=14', '14-11=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[67, 10, 11, 81], Operations: [] Exploring Operation: 81-67=14, Resulting Numbers: [10, 11, 14] Generated Node #0,0: 30:[10, 11, 14] Operation: 81-67=14 Moving to Node #0,0 Current State: 30:[10, 11, 14], Operations: ['81-67=14'] Exploring Operation: 14-11=3, Resulting Numbers: [10, 3] Generated Node #0,0,0: 30:[10, 3] Operation: 14-11=3 Moving to Node #0,0,0 Current State: 30:[10, 3], Operations: ['81-67=14', '14-11=3'] Exploring Operation: 10*3=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 1
0.993924
hs_1
sum_heuristic