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
[ 6, 84, 65, 42 ]
73
[ "6+65=71", "84/42=2", "71+2=73" ]
Current State: 73:[6, 84, 65, 42], Operations: [] Exploring Operation: 6+65=71, Resulting Numbers: [84, 42, 71] Generated Node #2: [84, 42, 71] from Operation: 6+65=71 Current State: 73:[84, 42, 71], Operations: ['6+65=71'] Exploring Operation: 84/42=2, Resulting Numbers: [71, 2] Generated Node #3: [71, 2] from Operation: 84/42=2 Current State: 73:[71, 2], Operations: ['6+65=71', '84/42=2'] Exploring Operation: 71+2=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[6, 84, 65, 42], Operations: [] Exploring Operation: 84-6=78, Resulting Numbers: [65, 42, 78] Generated Node #0,0: 73:[65, 42, 78] Operation: 84-6=78 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[65, 42, 78], Operations: ['84-6=78'] Exploring Operation: 65+42=107, Resulting Numbers: [78, 107] Generated Node #0,0,0: 73:[78, 107] Operation: 65+42=107 Moving to Node #0,0,0 Current State: 73:[78, 107], Operations: ['84-6=78', '65+42=107'] Exploring Operation: 107-78=29, Resulting Numbers: [29] 29,73 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 61, 55, 41, 23 ]
52
[ "61+55=116", "41+23=64", "116-64=52" ]
Current State: 52:[61, 55, 41, 23], Operations: [] Exploring Operation: 61+55=116, Resulting Numbers: [41, 23, 116] Generated Node #2: [41, 23, 116] from Operation: 61+55=116 Current State: 52:[41, 23, 116], Operations: ['61+55=116'] Exploring Operation: 41+23=64, Resulting Numbers: [116, 64] Generated Node #3: [116, 64] from Operation: 41+23=64 Current State: 52:[116, 64], Operations: ['61+55=116', '41+23=64'] Exploring Operation: 116-64=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[61, 55, 41, 23], Operations: [] Exploring Operation: 61-41=20, Resulting Numbers: [55, 23, 20] Generated Node #0,0: 52:[55, 23, 20] Operation: 61-41=20 Exploring Operation: 61-55=6, Resulting Numbers: [41, 23, 6] Generated Node #0,1: 52:[41, 23, 6] Operation: 61-55=6 Exploring Operation: 55-41=14, Resulting Numbers: [61, 23, 14] Generated Node #0,2: 52:[61, 23, 14] Operation: 55-41=14 Moving to Node #0,0 Current State: 52:[55, 23, 20], Operations: ['61-41=20'] Exploring Operation: 55-23=32, Resulting Numbers: [20, 32] Generated Node #0,0,0: 52:[20, 32] Operation: 55-23=32 Exploring Operation: 55-20=35, Resulting Numbers: [23, 35] Generated Node #0,0,1: 52:[23, 35] Operation: 55-20=35 Exploring Operation: 23-20=3, Resulting Numbers: [55, 3] Generated Node #0,0,2: 52:[55, 3] Operation: 23-20=3 Moving to Node #0,2 Current State: 52:[61, 23, 14], Operations: ['55-41=14'] Exploring Operation: 61-14=47, Resulting Numbers: [23, 47] Generated Node #0,2,0: 52:[23, 47] Operation: 61-14=47 Exploring Operation: 23-14=9, Resulting Numbers: [61, 9] Generated Node #0,2,1: 52:[61, 9] Operation: 23-14=9 Exploring Operation: 61-23=38, Resulting Numbers: [14, 38] Generated Node #0,2,2: 52:[14, 38] Operation: 61-23=38 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 52:[23, 47], Operations: ['55-41=14', '61-14=47'] Exploring Operation: 23*47=1081, Resulting Numbers: [1081] 1081,52 unequal: No Solution Exploring Operation: 47-23=24, Resulting Numbers: [24] 24,52 unequal: No Solution Exploring Operation: 23+47=70, Resulting Numbers: [70] 70,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 52:[61, 9], Operations: ['55-41=14', '23-14=9'] Exploring Operation: 61+9=70, Resulting Numbers: [70] 70,52 unequal: No Solution Exploring Operation: 61*9=549, Resulting Numbers: [549] 549,52 unequal: No Solution Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[61, 55, 41, 23], Operations: [] Exploring Operation: 55-41=14, Resulting Numbers: [61, 23, 14] Generated Node #0,2: 52:[61, 23, 14] Operation: 55-41=14 Moving to Node #0,2 Current State: 52:[61, 23, 14], Operations: ['55-41=14'] Exploring Operation: 23-14=9, Resulting Numbers: [61, 9] Generated Node #0,2,1: 52:[61, 9] Operation: 23-14=9 Moving to Node #0,2,1 Current State: 52:[61, 9], Operations: ['55-41=14', '23-14=9'] Exploring Operation: 61-9=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
sum_heuristic
[ 6, 26, 23, 91 ]
73
[ "6*23=138", "91-26=65", "138-65=73" ]
Current State: 73:[6, 26, 23, 91], Operations: [] Exploring Operation: 6*23=138, Resulting Numbers: [26, 91, 138] Generated Node #2: [26, 91, 138] from Operation: 6*23=138 Current State: 73:[26, 91, 138], Operations: ['6*23=138'] Exploring Operation: 91-26=65, Resulting Numbers: [138, 65] Generated Node #3: [138, 65] from Operation: 91-26=65 Current State: 73:[138, 65], Operations: ['6*23=138', '91-26=65'] Exploring Operation: 138-65=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[6, 26, 23, 91], Operations: [] Exploring Operation: 26+23=49, Resulting Numbers: [6, 91, 49] Generated Node #0,0: 73:[6, 91, 49] Operation: 26+23=49 Exploring Operation: 91-6=85, Resulting Numbers: [26, 23, 85] Generated Node #0,1: 73:[26, 23, 85] Operation: 91-6=85 Exploring Operation: 6+26=32, Resulting Numbers: [23, 91, 32] Generated Node #0,2: 73:[23, 91, 32] Operation: 6+26=32 Exploring Operation: 6+23=29, Resulting Numbers: [26, 91, 29] Generated Node #0,3: 73:[26, 91, 29] Operation: 6+23=29 Moving to Node #0,0 Current State: 73:[6, 91, 49], Operations: ['26+23=49'] Exploring Operation: 49-6=43, Resulting Numbers: [91, 43] Generated Node #0,0,0: 73:[91, 43] Operation: 49-6=43 Exploring Operation: 91-6=85, Resulting Numbers: [49, 85] Generated Node #0,0,1: 73:[49, 85] Operation: 91-6=85 Exploring Operation: 6+49=55, Resulting Numbers: [91, 55] Generated Node #0,0,2: 73:[91, 55] Operation: 6+49=55 Exploring Operation: 6+91=97, Resulting Numbers: [49, 97] Generated Node #0,0,3: 73:[49, 97] Operation: 6+91=97 Moving to Node #0,2 Current State: 73:[23, 91, 32], Operations: ['6+26=32'] Exploring Operation: 91-23=68, Resulting Numbers: [32, 68] Generated Node #0,2,0: 73:[32, 68] Operation: 91-23=68 Exploring Operation: 91-32=59, Resulting Numbers: [23, 59] Generated Node #0,2,1: 73:[23, 59] Operation: 91-32=59 Exploring Operation: 23+91=114, Resulting Numbers: [32, 114] Generated Node #0,2,2: 73:[32, 114] Operation: 23+91=114 Exploring Operation: 23+32=55, Resulting Numbers: [91, 55] Generated Node #0,2,3: 73:[91, 55] Operation: 23+32=55 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 73:[91, 55], Operations: ['6+26=32', '23+32=55'] Exploring Operation: 91-55=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 91*55=5005, Resulting Numbers: [5005] 5005,73 unequal: No Solution Exploring Operation: 91+55=146, Resulting Numbers: [146] 146,73 unequal: No Solution No 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: 73:[32, 68], Operations: ['6+26=32', '91-23=68'] Exploring Operation: 68-32=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 32*68=2176, Resulting Numbers: [2176] 2176,73 unequal: No Solution Exploring Operation: 32+68=100, Resulting Numbers: [100] 100,73 unequal: No Solution No 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: 73:[23, 59], Operations: ['6+26=32', '91-32=59'] Exploring Operation: 59-23=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 23*59=1357, Resulting Numbers: [1357] 1357,73 unequal: No Solution Exploring Operation: 23+59=82, Resulting Numbers: [82] 82,73 unequal: No Solution No 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: 73:[32, 114], Operations: ['6+26=32', '23+91=114'] Exploring Operation: 32*114=3648, Resulting Numbers: [3648] 3648,73 unequal: No Solution Exploring Operation: 114-32=82, Resulting Numbers: [82] 82,73 unequal: No Solution Exploring Operation: 32+114=146, Resulting Numbers: [146] 146,73 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: 73:[26, 23, 85], Operations: ['91-6=85'] Exploring Operation: 26-23=3, Resulting Numbers: [85, 3] Generated Node #0,1,0: 73:[85, 3] Operation: 26-23=3 Exploring Operation: 85-23=62, Resulting Numbers: [26, 62] Generated Node #0,1,1: 73:[26, 62] Operation: 85-23=62 Exploring Operation: 26+23=49, Resulting Numbers: [85, 49] Generated Node #0,1,2: 73:[85, 49] Operation: 26+23=49 Exploring Operation: 85-26=59, Resulting Numbers: [23, 59] Generated Node #0,1,3: 73:[23, 59] Operation: 85-26=59 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 73:[85, 49], Operations: ['91-6=85', '26+23=49'] Exploring Operation: 85*49=4165, Resulting Numbers: [4165] 4165,73 unequal: No Solution Exploring Operation: 85+49=134, Resulting Numbers: [134] 134,73 unequal: No Solution Exploring Operation: 85-49=36, Resulting Numbers: [36] 36,73 unequal: No Solution No 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: 73:[26, 62], Operations: ['91-6=85', '85-23=62'] Exploring Operation: 26+62=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 26*62=1612, Resulting Numbers: [1612] 1612,73 unequal: No Solution Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,73 unequal: No Solution No 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: 73:[23, 59], Operations: ['91-6=85', '85-26=59'] Exploring Operation: 23*59=1357, Resulting Numbers: [1357] 1357,73 unequal: No Solution Exploring Operation: 59-23=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 23+59=82, Resulting Numbers: [82] 82,73 unequal: No Solution No 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: 73:[85, 3], Operations: ['91-6=85', '26-23=3'] Exploring Operation: 85+3=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 85-3=82, Resulting Numbers: [82] 82,73 unequal: No Solution Exploring Operation: 85*3=255, Resulting Numbers: [255] 255,73 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: 73:[26, 91, 29], Operations: ['6+23=29'] Exploring Operation: 26+29=55, Resulting Numbers: [91, 55] Generated Node #0,3,0: 73:[91, 55] Operation: 26+29=55 Exploring Operation: 91-29=62, Resulting Numbers: [26, 62] Generated Node #0,3,1: 73:[26, 62] Operation: 91-29=62 Exploring Operation: 26+91=117, Resulting Numbers: [29, 117] Generated Node #0,3,2: 73:[29, 117] Operation: 26+91=117 Exploring Operation: 91-26=65, Resulting Numbers: [29, 65] Generated Node #0,3,3: 73:[29, 65] Operation: 91-26=65 Moving to Node #0,0,1 Current State: 73:[49, 85], Operations: ['26+23=49', '91-6=85'] Exploring Operation: 49+85=134, Resulting Numbers: [134] 134,73 unequal: No Solution Exploring Operation: 85-49=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 49*85=4165, Resulting Numbers: [4165] 4165,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[91, 55], Operations: ['26+23=49', '6+49=55'] Exploring Operation: 91*55=5005, Resulting Numbers: [5005] 5005,73 unequal: No Solution Exploring Operation: 91+55=146, Resulting Numbers: [146] 146,73 unequal: No Solution Exploring Operation: 91-55=36, Resulting Numbers: [36] 36,73 unequal: No Solution Moving to Node #0,3,0 Current State: 73:[91, 55], Operations: ['6+23=29', '26+29=55'] Exploring Operation: 91-55=36, Resulting Numbers: [36] 36,73 unequal: No Solution Exploring Operation: 91*55=5005, Resulting Numbers: [5005] 5005,73 unequal: No Solution Exploring Operation: 91+55=146, Resulting Numbers: [146] 146,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[91, 43], Operations: ['26+23=49', '49-6=43'] Exploring Operation: 91*43=3913, Resulting Numbers: [3913] 3913,73 unequal: No Solution Exploring Operation: 91+43=134, Resulting Numbers: [134] 134,73 unequal: No Solution Exploring Operation: 91-43=48, Resulting Numbers: [48] 48,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[49, 97], Operations: ['26+23=49', '6+91=97'] Exploring Operation: 49*97=4753, Resulting Numbers: [4753] 4753,73 unequal: No Solution Exploring Operation: 97-49=48, Resulting Numbers: [48] 48,73 unequal: No Solution Exploring Operation: 49+97=146, Resulting Numbers: [146] 146,73 unequal: No Solution Moving to Node #0,3,3 Current State: 73:[29, 65], Operations: ['6+23=29', '91-26=65'] Exploring Operation: 29+65=94, Resulting Numbers: [94] 94,73 unequal: No Solution Exploring Operation: 29*65=1885, Resulting Numbers: [1885] 1885,73 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,73 unequal: No Solution Moving to Node #0,3,1 Current State: 73:[26, 62], Operations: ['6+23=29', '91-29=62'] Exploring Operation: 26+62=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 26*62=1612, Resulting Numbers: [1612] 1612,73 unequal: No Solution Exploring Operation: 62-26=36, Resulting Numbers: [36] 36,73 unequal: No Solution Moving to Node #0,3,2 Current State: 73:[29, 117], Operations: ['6+23=29', '26+91=117'] Exploring Operation: 117-29=88, Resulting Numbers: [88] 88,73 unequal: No Solution Exploring Operation: 29+117=146, Resulting Numbers: [146] 146,73 unequal: No Solution Exploring Operation: 29*117=3393, Resulting Numbers: [3393] 3393,73 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 51, 33, 90, 75 ]
15
[ "51-33=18", "90/18=5", "75/5=15" ]
Current State: 15:[51, 33, 90, 75], Operations: [] Exploring Operation: 51-33=18, Resulting Numbers: [90, 75, 18] Generated Node #2: [90, 75, 18] from Operation: 51-33=18 Current State: 15:[90, 75, 18], Operations: ['51-33=18'] Exploring Operation: 90/18=5, Resulting Numbers: [75, 5] Generated Node #3: [75, 5] from Operation: 90/18=5 Current State: 15:[75, 5], Operations: ['51-33=18', '90/18=5'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[51, 33, 90, 75], Operations: [] Exploring Operation: 51-33=18, Resulting Numbers: [90, 75, 18] Generated Node #0,0: 15:[90, 75, 18] Operation: 51-33=18 Exploring Operation: 75-51=24, Resulting Numbers: [33, 90, 24] Generated Node #0,1: 15:[33, 90, 24] Operation: 75-51=24 Exploring Operation: 90-75=15, Resulting Numbers: [51, 33, 15] Generated Node #0,2: 15:[51, 33, 15] Operation: 90-75=15 Exploring Operation: 90-51=39, Resulting Numbers: [33, 75, 39] Generated Node #0,3: 15:[33, 75, 39] Operation: 90-51=39 Moving to Node #0,2 Current State: 15:[51, 33, 15], Operations: ['90-75=15'] Exploring Operation: 51-33=18, Resulting Numbers: [15, 18] Generated Node #0,2,0: 15:[15, 18] Operation: 51-33=18 Exploring Operation: 33-15=18, Resulting Numbers: [51, 18] Generated Node #0,2,1: 15:[51, 18] Operation: 33-15=18 Exploring Operation: 51-15=36, Resulting Numbers: [33, 36] Generated Node #0,2,2: 15:[33, 36] Operation: 51-15=36 Exploring Operation: 51+33=84, Resulting Numbers: [15, 84] Generated Node #0,2,3: 15:[15, 84] Operation: 51+33=84 Moving to Node #0,3 Current State: 15:[33, 75, 39], Operations: ['90-51=39'] Exploring Operation: 75-39=36, Resulting Numbers: [33, 36] Generated Node #0,3,0: 15:[33, 36] Operation: 75-39=36 Exploring Operation: 33+75=108, Resulting Numbers: [39, 108] Generated Node #0,3,1: 15:[39, 108] Operation: 33+75=108 Exploring Operation: 39-33=6, Resulting Numbers: [75, 6] Generated Node #0,3,2: 15:[75, 6] Operation: 39-33=6 Exploring Operation: 75-33=42, Resulting Numbers: [39, 42] Generated Node #0,3,3: 15:[39, 42] Operation: 75-33=42 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 15:[33, 36], Operations: ['90-51=39', '75-39=36'] Exploring Operation: 33+36=69, Resulting Numbers: [69] 69,15 unequal: No Solution Exploring Operation: 36-33=3, Resulting Numbers: [3] 3,15 unequal: No Solution Exploring Operation: 33*36=1188, Resulting Numbers: [1188] 1188,15 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 #0,3,3 Current State: 15:[39, 42], Operations: ['90-51=39', '75-33=42'] Exploring Operation: 39*42=1638, Resulting Numbers: [1638] 1638,15 unequal: No Solution Exploring Operation: 39+42=81, Resulting Numbers: [81] 81,15 unequal: No Solution Exploring Operation: 42-39=3, Resulting Numbers: [3] 3,15 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 #0,3,2 Current State: 15:[75, 6], Operations: ['90-51=39', '39-33=6'] Exploring Operation: 75+6=81, Resulting Numbers: [81] 81,15 unequal: No Solution Exploring Operation: 75-6=69, Resulting Numbers: [69] 69,15 unequal: No Solution Exploring Operation: 75*6=450, Resulting Numbers: [450] 450,15 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 #0,3,1 Current State: 15:[39, 108], Operations: ['90-51=39', '33+75=108'] Exploring Operation: 39+108=147, Resulting Numbers: [147] 147,15 unequal: No Solution Exploring Operation: 39*108=4212, Resulting Numbers: [4212] 4212,15 unequal: No Solution Exploring Operation: 108-39=69, Resulting Numbers: [69] 69,15 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: 15:[33, 90, 24], Operations: ['75-51=24'] Exploring Operation: 90-33=57, Resulting Numbers: [24, 57] Generated Node #0,1,0: 15:[24, 57] Operation: 90-33=57 Exploring Operation: 33+90=123, Resulting Numbers: [24, 123] Generated Node #0,1,1: 15:[24, 123] Operation: 33+90=123 Exploring Operation: 33-24=9, Resulting Numbers: [90, 9] Generated Node #0,1,2: 15:[90, 9] Operation: 33-24=9 Exploring Operation: 90-24=66, Resulting Numbers: [33, 66] Generated Node #0,1,3: 15:[33, 66] Operation: 90-24=66 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 15:[24, 57], Operations: ['75-51=24', '90-33=57'] Exploring Operation: 57-24=33, Resulting Numbers: [33] 33,15 unequal: No Solution Exploring Operation: 24+57=81, Resulting Numbers: [81] 81,15 unequal: No Solution Exploring Operation: 24*57=1368, Resulting Numbers: [1368] 1368,15 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 #0,1,3 Current State: 15:[33, 66], Operations: ['75-51=24', '90-24=66'] Exploring Operation: 33*66=2178, Resulting Numbers: [2178] 2178,15 unequal: No Solution Exploring Operation: 66/33=2, Resulting Numbers: [2] 2,15 unequal: No Solution Exploring Operation: 66-33=33, Resulting Numbers: [33] 33,15 unequal: No Solution Exploring Operation: 33+66=99, Resulting Numbers: [99] 99,15 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 #0,1,2 Current State: 15:[90, 9], Operations: ['75-51=24', '33-24=9'] Exploring Operation: 90/9=10, Resulting Numbers: [10] 10,15 unequal: No Solution Exploring Operation: 90+9=99, Resulting Numbers: [99] 99,15 unequal: No Solution Exploring Operation: 90*9=810, Resulting Numbers: [810] 810,15 unequal: No Solution Exploring Operation: 90-9=81, Resulting Numbers: [81] 81,15 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 #0,1,1 Current State: 15:[24, 123], Operations: ['75-51=24', '33+90=123'] Exploring Operation: 24*123=2952, Resulting Numbers: [2952] 2952,15 unequal: No Solution Exploring Operation: 24+123=147, Resulting Numbers: [147] 147,15 unequal: No Solution Exploring Operation: 123-24=99, Resulting Numbers: [99] 99,15 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: 15:[90, 75, 18], Operations: ['51-33=18'] Exploring Operation: 90-75=15, Resulting Numbers: [18, 15] Generated Node #0,0,0: 15:[18, 15] Operation: 90-75=15 Exploring Operation: 90-18=72, Resulting Numbers: [75, 72] Generated Node #0,0,1: 15:[75, 72] Operation: 90-18=72 Exploring Operation: 90/18=5, Resulting Numbers: [75, 5] Generated Node #0,0,2: 15:[75, 5] Operation: 90/18=5 Exploring Operation: 75-18=57, Resulting Numbers: [90, 57] Generated Node #0,0,3: 15:[90, 57] Operation: 75-18=57 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 15:[18, 15], Operations: ['51-33=18', '90-75=15'] Exploring Operation: 18+15=33, Resulting Numbers: [33] 33,15 unequal: No Solution Exploring Operation: 18*15=270, Resulting Numbers: [270] 270,15 unequal: No Solution Exploring Operation: 18-15=3, Resulting Numbers: [3] 3,15 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 #0,0,2 Current State: 15:[75, 5], Operations: ['51-33=18', '90/18=5'] Exploring Operation: 75*5=375, Resulting Numbers: [375] 375,15 unequal: No Solution Exploring Operation: 75+5=80, Resulting Numbers: [80] 80,15 unequal: No Solution Exploring Operation: 75-5=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Moving to Node #0 Current State: 15:[51, 33, 90, 75], Operations: [] Exploring Operation: 51-33=18, Resulting Numbers: [90, 75, 18] Generated Node #0,0: 15:[90, 75, 18] Operation: 51-33=18 Moving to Node #0,0 Current State: 15:[90, 75, 18], Operations: ['51-33=18'] Exploring Operation: 90/18=5, Resulting Numbers: [75, 5] Generated Node #0,0,2: 15:[75, 5] Operation: 90/18=5 Moving to Node #0,0,2 Current State: 15:[75, 5], Operations: ['51-33=18', '90/18=5'] Exploring Operation: 75/5=15, Resulting Numbers: [15] 15,15 equal: Goal Reached Exit Sub Search at level 1
0.950521
hs_4
mult_heuristic
[ 65, 28, 28, 33 ]
98
[ "65+28=93", "33-28=5", "93+5=98" ]
Current State: 98:[65, 28, 28, 33], Operations: [] Exploring Operation: 65+28=93, Resulting Numbers: [33, 93] Generated Node #2: [33, 93] from Operation: 65+28=93 Current State: 98:[33, 93], Operations: ['65+28=93'] Exploring Operation: 33-28=5, Resulting Numbers: [93, 5] Generated Node #3: [93, 5] from Operation: 33-28=5 Current State: 98:[93, 5], Operations: ['65+28=93', '33-28=5'] Exploring Operation: 93+5=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[65, 28, 28, 33], Operations: [] Exploring Operation: 33-28=5, Resulting Numbers: [65, 28, 5] Generated Node #0,0: 98:[65, 28, 5] Operation: 33-28=5 Exploring Operation: 33-28=5, Resulting Numbers: [65, 28, 5] Generated Node #0,1: 98:[65, 28, 5] Operation: 33-28=5 Exploring Operation: 65+33=98, Resulting Numbers: [28, 28, 98] Generated Node #0,2: 98:[28, 28, 98] Operation: 65+33=98 Exploring Operation: 28/28=1, Resulting Numbers: [65, 33, 1] Generated Node #0,3: 98:[65, 33, 1] Operation: 28/28=1 Start Sub Search at level 1: Moving to Node #0,2 Current State: 98:[28, 28, 98], Operations: ['65+33=98'] Exploring Operation: 98-28=70, Resulting Numbers: [28, 70] Generated Node #0,2,0: 98:[28, 70] Operation: 98-28=70 Exploring Operation: 28/28=1, Resulting Numbers: [98, 1] Generated Node #0,2,1: 98:[98, 1] Operation: 28/28=1 Exploring Operation: 28-28=0, Resulting Numbers: [98, 0] Generated Node #0,2,2: 98:[98, 0] Operation: 28-28=0 Exploring Operation: 28+28=56, Resulting Numbers: [98, 56] Generated Node #0,2,3: 98:[98, 56] Operation: 28+28=56 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 98:[98, 1], Operations: ['65+33=98', '28/28=1'] Exploring Operation: 98-1=97, Resulting Numbers: [97] 97,98 unequal: No Solution Exploring Operation: 98+1=99, Resulting Numbers: [99] 99,98 unequal: No Solution Exploring Operation: 98*1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[65, 28, 28, 33], Operations: [] Exploring Operation: 65+33=98, Resulting Numbers: [28, 28, 98] Generated Node #0,2: 98:[28, 28, 98] Operation: 65+33=98 Moving to Node #0,2 Current State: 98:[28, 28, 98], Operations: ['65+33=98'] Exploring Operation: 28/28=1, Resulting Numbers: [98, 1] Generated Node #0,2,1: 98:[98, 1] Operation: 28/28=1 Moving to Node #0,2,1 Current State: 98:[98, 1], Operations: ['65+33=98', '28/28=1'] Exploring Operation: 98*1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 41, 85, 26, 82 ]
100
[ "85-41=44", "82-26=56", "44+56=100" ]
Current State: 100:[41, 85, 26, 82], Operations: [] Exploring Operation: 85-41=44, Resulting Numbers: [26, 82, 44] Generated Node #2: [26, 82, 44] from Operation: 85-41=44 Current State: 100:[26, 82, 44], Operations: ['85-41=44'] Exploring Operation: 82-26=56, Resulting Numbers: [44, 56] Generated Node #3: [44, 56] from Operation: 82-26=56 Current State: 100:[44, 56], Operations: ['85-41=44', '82-26=56'] Exploring Operation: 44+56=100, Resulting Numbers: [100] 100,100 equal: Goal Reached
4
Current State: 100:[41, 85, 26, 82], Operations: [] Exploring Operation: 82/41=2, Resulting Numbers: [85, 26, 2] Generated Node #0,0: 100:[85, 26, 2] Operation: 82/41=2 Exploring Operation: 85-82=3, Resulting Numbers: [41, 26, 3] Generated Node #0,1: 100:[41, 26, 3] Operation: 85-82=3 Start Sub Search at level 1: Moving to Node #0,1 Current State: 100:[41, 26, 3], Operations: ['85-82=3'] Exploring Operation: 41-26=15, Resulting Numbers: [3, 15] Generated Node #0,1,0: 100:[3, 15] Operation: 41-26=15 Exploring Operation: 41+3=44, Resulting Numbers: [26, 44] Generated Node #0,1,1: 100:[26, 44] Operation: 41+3=44 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 100:[3, 15], Operations: ['85-82=3', '41-26=15'] Exploring Operation: 3+15=18, Resulting Numbers: [18] 18,100 unequal: No Solution Exploring Operation: 15/3=5, Resulting Numbers: [5] 5,100 unequal: No Solution No 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: 100:[26, 44], Operations: ['85-82=3', '41+3=44'] Exploring Operation: 44-26=18, Resulting Numbers: [18] 18,100 unequal: No Solution Exploring Operation: 26+44=70, Resulting Numbers: [70] 70,100 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: 100:[85, 26, 2], Operations: ['82/41=2'] Exploring Operation: 85+26=111, Resulting Numbers: [2, 111] Generated Node #0,0,0: 100:[2, 111] Operation: 85+26=111 Exploring Operation: 85-26=59, Resulting Numbers: [2, 59] Generated Node #0,0,1: 100:[2, 59] Operation: 85-26=59 Moving to Node #0,0,1 Current State: 100:[2, 59], Operations: ['82/41=2', '85-26=59'] Exploring Operation: 59-2=57, Resulting Numbers: [57] 57,100 unequal: No Solution Exploring Operation: 2+59=61, Resulting Numbers: [61] 61,100 unequal: No Solution Moving to Node #0,0,0 Current State: 100:[2, 111], Operations: ['82/41=2', '85+26=111'] Exploring Operation: 2+111=113, Resulting Numbers: [113] 113,100 unequal: No Solution Exploring Operation: 111-2=109, Resulting Numbers: [109] 109,100 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
[ 98, 38, 15, 64 ]
68
[ "98-38=60", "60/15=4", "64+4=68" ]
Current State: 68:[98, 38, 15, 64], Operations: [] Exploring Operation: 98-38=60, Resulting Numbers: [15, 64, 60] Generated Node #2: [15, 64, 60] from Operation: 98-38=60 Current State: 68:[15, 64, 60], Operations: ['98-38=60'] Exploring Operation: 60/15=4, Resulting Numbers: [64, 4] Generated Node #3: [64, 4] from Operation: 60/15=4 Current State: 68:[64, 4], Operations: ['98-38=60', '60/15=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[98, 38, 15, 64], Operations: [] Exploring Operation: 64-38=26, Resulting Numbers: [98, 15, 26] Generated Node #0,0: 68:[98, 15, 26] Operation: 64-38=26 Exploring Operation: 98-15=83, Resulting Numbers: [38, 64, 83] Generated Node #0,1: 68:[38, 64, 83] Operation: 98-15=83 Exploring Operation: 98-38=60, Resulting Numbers: [15, 64, 60] Generated Node #0,2: 68:[15, 64, 60] Operation: 98-38=60 Exploring Operation: 98-64=34, Resulting Numbers: [38, 15, 34] Generated Node #0,3: 68:[38, 15, 34] Operation: 98-64=34 Exploring Operation: 38-15=23, Resulting Numbers: [98, 64, 23] Generated Node #0,4: 68:[98, 64, 23] Operation: 38-15=23 Moving to Node #0,3 Current State: 68:[38, 15, 34], Operations: ['98-64=34'] Exploring Operation: 38-15=23, Resulting Numbers: [34, 23] Generated Node #0,3,0: 68:[34, 23] Operation: 38-15=23 Exploring Operation: 38-34=4, Resulting Numbers: [15, 4] Generated Node #0,3,1: 68:[15, 4] Operation: 38-34=4 Exploring Operation: 38+15=53, Resulting Numbers: [34, 53] Generated Node #0,3,2: 68:[34, 53] Operation: 38+15=53 Exploring Operation: 38+34=72, Resulting Numbers: [15, 72] Generated Node #0,3,3: 68:[15, 72] Operation: 38+34=72 Exploring Operation: 34-15=19, Resulting Numbers: [38, 19] Generated Node #0,3,4: 68:[38, 19] Operation: 34-15=19 Moving to Node #0,2 Current State: 68:[15, 64, 60], Operations: ['98-38=60'] Exploring Operation: 60/15=4, Resulting Numbers: [64, 4] Generated Node #0,2,0: 68:[64, 4] Operation: 60/15=4 Exploring Operation: 60-15=45, Resulting Numbers: [64, 45] Generated Node #0,2,1: 68:[64, 45] Operation: 60-15=45 Exploring Operation: 64-60=4, Resulting Numbers: [15, 4] Generated Node #0,2,2: 68:[15, 4] Operation: 64-60=4 Exploring Operation: 15+60=75, Resulting Numbers: [64, 75] Generated Node #0,2,3: 68:[64, 75] Operation: 15+60=75 Exploring Operation: 15+64=79, Resulting Numbers: [60, 79] Generated Node #0,2,4: 68:[60, 79] Operation: 15+64=79 Moving to Node #0,1 Current State: 68:[38, 64, 83], Operations: ['98-15=83'] Exploring Operation: 38+83=121, Resulting Numbers: [64, 121] Generated Node #0,1,0: 68:[64, 121] Operation: 38+83=121 Exploring Operation: 38+64=102, Resulting Numbers: [83, 102] Generated Node #0,1,1: 68:[83, 102] Operation: 38+64=102 Exploring Operation: 64-38=26, Resulting Numbers: [83, 26] Generated Node #0,1,2: 68:[83, 26] Operation: 64-38=26 Exploring Operation: 83-38=45, Resulting Numbers: [64, 45] Generated Node #0,1,3: 68:[64, 45] Operation: 83-38=45 Exploring Operation: 83-64=19, Resulting Numbers: [38, 19] Generated Node #0,1,4: 68:[38, 19] Operation: 83-64=19 Moving to Node #0,0 Current State: 68:[98, 15, 26], Operations: ['64-38=26'] Exploring Operation: 26-15=11, Resulting Numbers: [98, 11] Generated Node #0,0,0: 68:[98, 11] Operation: 26-15=11 Exploring Operation: 98-15=83, Resulting Numbers: [26, 83] Generated Node #0,0,1: 68:[26, 83] Operation: 98-15=83 Exploring Operation: 98-26=72, Resulting Numbers: [15, 72] Generated Node #0,0,2: 68:[15, 72] Operation: 98-26=72 Exploring Operation: 15+26=41, Resulting Numbers: [98, 41] Generated Node #0,0,3: 68:[98, 41] Operation: 15+26=41 Exploring Operation: 98+15=113, Resulting Numbers: [26, 113] Generated Node #0,0,4: 68:[26, 113] Operation: 98+15=113 Moving to Node #0,4 Current State: 68:[98, 64, 23], Operations: ['38-15=23'] Exploring Operation: 98-64=34, Resulting Numbers: [23, 34] Generated Node #0,4,0: 68:[23, 34] Operation: 98-64=34 Exploring Operation: 64+23=87, Resulting Numbers: [98, 87] Generated Node #0,4,1: 68:[98, 87] Operation: 64+23=87 Exploring Operation: 98-23=75, Resulting Numbers: [64, 75] Generated Node #0,4,2: 68:[64, 75] Operation: 98-23=75 Exploring Operation: 98+23=121, Resulting Numbers: [64, 121] Generated Node #0,4,3: 68:[64, 121] Operation: 98+23=121 Exploring Operation: 64-23=41, Resulting Numbers: [98, 41] Generated Node #0,4,4: 68:[98, 41] Operation: 64-23=41 Moving to Node #0,3,1 Current State: 68:[15, 4], Operations: ['98-64=34', '38-34=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,68 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,68 unequal: No Solution Moving to Node #0,2,2 Current State: 68:[15, 4], Operations: ['98-38=60', '64-60=4'] Exploring Operation: 15+4=19, Resulting Numbers: [19] 19,68 unequal: No Solution Exploring Operation: 15*4=60, Resulting Numbers: [60] 60,68 unequal: No Solution Exploring Operation: 15-4=11, Resulting Numbers: [11] 11,68 unequal: No Solution Moving to Node #0,2,0 Current State: 68:[64, 4], Operations: ['98-38=60', '60/15=4'] Exploring Operation: 64-4=60, Resulting Numbers: [60] 60,68 unequal: No Solution Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[98, 38, 15, 64], Operations: [] Exploring Operation: 98-38=60, Resulting Numbers: [15, 64, 60] Generated Node #0,2: 68:[15, 64, 60] Operation: 98-38=60 Moving to Node #0,2 Current State: 68:[15, 64, 60], Operations: ['98-38=60'] Exploring Operation: 60/15=4, Resulting Numbers: [64, 4] Generated Node #0,2,0: 68:[64, 4] Operation: 60/15=4 Moving to Node #0,2,0 Current State: 68:[64, 4], Operations: ['98-38=60', '60/15=4'] Exploring Operation: 64+4=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
0.963542
hs_5
sum_heuristic
[ 22, 4, 80, 82 ]
90
[ "22*4=88", "82-80=2", "88+2=90" ]
Current State: 90:[22, 4, 80, 82], Operations: [] Exploring Operation: 22*4=88, Resulting Numbers: [80, 82, 88] Generated Node #2: [80, 82, 88] from Operation: 22*4=88 Current State: 90:[80, 82, 88], Operations: ['22*4=88'] Exploring Operation: 82-80=2, Resulting Numbers: [88, 2] Generated Node #3: [88, 2] from Operation: 82-80=2 Current State: 90:[88, 2], Operations: ['22*4=88', '82-80=2'] Exploring Operation: 88+2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[22, 4, 80, 82], Operations: [] Exploring Operation: 22-4=18, Resulting Numbers: [80, 82, 18] Generated Node #0,0: 90:[80, 82, 18] Operation: 22-4=18 Exploring Operation: 80/4=20, Resulting Numbers: [22, 82, 20] Generated Node #0,1: 90:[22, 82, 20] Operation: 80/4=20 Exploring Operation: 82-80=2, Resulting Numbers: [22, 4, 2] Generated Node #0,2: 90:[22, 4, 2] Operation: 82-80=2 Moving to Node #0,2 Current State: 90:[22, 4, 2], Operations: ['82-80=2'] Exploring Operation: 22-4=18, Resulting Numbers: [2, 18] Generated Node #0,2,0: 90:[2, 18] Operation: 22-4=18 Exploring Operation: 22*2=44, Resulting Numbers: [4, 44] Generated Node #0,2,1: 90:[4, 44] Operation: 22*2=44 Exploring Operation: 22*4=88, Resulting Numbers: [2, 88] Generated Node #0,2,2: 90:[2, 88] Operation: 22*4=88 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[2, 18], Operations: ['82-80=2', '22-4=18'] Exploring Operation: 18-2=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 2+18=20, Resulting Numbers: [20] 20,90 unequal: No Solution Exploring Operation: 18/2=9, Resulting Numbers: [9] 9,90 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 #0,2,1 Current State: 90:[4, 44], Operations: ['82-80=2', '22*2=44'] Exploring Operation: 4+44=48, Resulting Numbers: [48] 48,90 unequal: No Solution Exploring Operation: 44/4=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 44-4=40, Resulting Numbers: [40] 40,90 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 #0,2,2 Current State: 90:[2, 88], Operations: ['82-80=2', '22*4=88'] Exploring Operation: 88/2=44, Resulting Numbers: [44] 44,90 unequal: No Solution Exploring Operation: 88-2=86, Resulting Numbers: [86] 86,90 unequal: No Solution Exploring Operation: 2+88=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[22, 4, 80, 82], Operations: [] Exploring Operation: 82-80=2, Resulting Numbers: [22, 4, 2] Generated Node #0,2: 90:[22, 4, 2] Operation: 82-80=2 Moving to Node #0,2 Current State: 90:[22, 4, 2], Operations: ['82-80=2'] Exploring Operation: 22*4=88, Resulting Numbers: [2, 88] Generated Node #0,2,2: 90:[2, 88] Operation: 22*4=88 Moving to Node #0,2,2 Current State: 90:[2, 88], Operations: ['82-80=2', '22*4=88'] Exploring Operation: 2+88=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 1
0.983507
hs_3
mult_heuristic
[ 16, 59, 28, 14 ]
89
[ "16+59=75", "28-14=14", "75+14=89" ]
Current State: 89:[16, 59, 28, 14], Operations: [] Exploring Operation: 16+59=75, Resulting Numbers: [28, 14, 75] Generated Node #2: [28, 14, 75] from Operation: 16+59=75 Current State: 89:[28, 14, 75], Operations: ['16+59=75'] Exploring Operation: 28-14=14, Resulting Numbers: [75, 14] Generated Node #3: [75, 14] from Operation: 28-14=14 Current State: 89:[75, 14], Operations: ['16+59=75', '28-14=14'] Exploring Operation: 75+14=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[16, 59, 28, 14], Operations: [] Exploring Operation: 16+28=44, Resulting Numbers: [59, 14, 44] Generated Node #0,0: 89:[59, 14, 44] Operation: 16+28=44 Exploring Operation: 16+59=75, Resulting Numbers: [28, 14, 75] Generated Node #0,1: 89:[28, 14, 75] Operation: 16+59=75 Exploring Operation: 16+14=30, Resulting Numbers: [59, 28, 30] Generated Node #0,2: 89:[59, 28, 30] Operation: 16+14=30 Moving to Node #0,0 Current State: 89:[59, 14, 44], Operations: ['16+28=44'] Exploring Operation: 59-14=45, Resulting Numbers: [44, 45] Generated Node #0,0,0: 89:[44, 45] Operation: 59-14=45 Exploring Operation: 14+44=58, Resulting Numbers: [59, 58] Generated Node #0,0,1: 89:[59, 58] Operation: 14+44=58 Exploring Operation: 59+14=73, Resulting Numbers: [44, 73] Generated Node #0,0,2: 89:[44, 73] Operation: 59+14=73 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 89:[59, 58], Operations: ['16+28=44', '14+44=58'] Exploring Operation: 59*58=3422, Resulting Numbers: [3422] 3422,89 unequal: No Solution Exploring Operation: 59-58=1, Resulting Numbers: [1] 1,89 unequal: No Solution Exploring Operation: 59+58=117, Resulting Numbers: [117] 117,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 89:[44, 73], Operations: ['16+28=44', '59+14=73'] Exploring Operation: 44*73=3212, Resulting Numbers: [3212] 3212,89 unequal: No Solution Exploring Operation: 73-44=29, Resulting Numbers: [29] 29,89 unequal: No Solution Exploring Operation: 44+73=117, Resulting Numbers: [117] 117,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[44, 45], Operations: ['16+28=44', '59-14=45'] Exploring Operation: 44*45=1980, Resulting Numbers: [1980] 1980,89 unequal: No Solution Exploring Operation: 44+45=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Moving to Node #0 Current State: 89:[16, 59, 28, 14], Operations: [] Exploring Operation: 16+28=44, Resulting Numbers: [59, 14, 44] Generated Node #0,0: 89:[59, 14, 44] Operation: 16+28=44 Moving to Node #0,0 Current State: 89:[59, 14, 44], Operations: ['16+28=44'] Exploring Operation: 59-14=45, Resulting Numbers: [44, 45] Generated Node #0,0,0: 89:[44, 45] Operation: 59-14=45 Moving to Node #0,0,0 Current State: 89:[44, 45], Operations: ['16+28=44', '59-14=45'] Exploring Operation: 44+45=89, Resulting Numbers: [89] 89,89 equal: Goal Reached Exit Sub Search at level 1
0.984375
hs_3
sum_heuristic
[ 6, 39, 48, 39 ]
13
[ "6+39=45", "48-45=3", "39/3=13" ]
Current State: 13:[6, 39, 48, 39], Operations: [] Exploring Operation: 6+39=45, Resulting Numbers: [48, 45] Generated Node #2: [48, 45] from Operation: 6+39=45 Current State: 13:[48, 45], Operations: ['6+39=45'] Exploring Operation: 48-45=3, Resulting Numbers: [3] 3,13 equal: Goal Reached Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[6, 39, 48, 39], Operations: [] Exploring Operation: 48-39=9, Resulting Numbers: [6, 39, 9] Generated Node #0,0: 13:[6, 39, 9] Operation: 48-39=9 Start Sub Search at level 1: Moving to Node #0,0 Current State: 13:[6, 39, 9], Operations: ['48-39=9'] Exploring Operation: 39-6=33, Resulting Numbers: [9, 33] Generated Node #0,0,0: 13:[9, 33] Operation: 39-6=33 Moving to Node #0,0,0 Current State: 13:[9, 33], Operations: ['48-39=9', '39-6=33'] Exploring Operation: 33-9=24, Resulting Numbers: [24] 24,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 42, 11, 31, 12 ]
73
[ "42+31=73", "12-11=1", "73*1=73" ]
Current State: 73:[42, 11, 31, 12], Operations: [] Exploring Operation: 42+31=73, Resulting Numbers: [11, 12, 73] Generated Node #2: [11, 12, 73] from Operation: 42+31=73 Current State: 73:[11, 12, 73], Operations: ['42+31=73'] Exploring Operation: 12-11=1, Resulting Numbers: [73, 1] Generated Node #3: [73, 1] from Operation: 12-11=1 Current State: 73:[73, 1], Operations: ['42+31=73', '12-11=1'] Exploring Operation: 73*1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached
4
Current State: 73:[42, 11, 31, 12], Operations: [] Exploring Operation: 42+12=54, Resulting Numbers: [11, 31, 54] Generated Node #0,0: 73:[11, 31, 54] Operation: 42+12=54 Exploring Operation: 11+31=42, Resulting Numbers: [42, 12, 42] Generated Node #0,1: 73:[42, 12, 42] Operation: 11+31=42 Exploring Operation: 11+12=23, Resulting Numbers: [42, 31, 23] Generated Node #0,2: 73:[42, 31, 23] Operation: 11+12=23 Exploring Operation: 42+31=73, Resulting Numbers: [11, 12, 73] Generated Node #0,3: 73:[11, 12, 73] Operation: 42+31=73 Exploring Operation: 42+11=53, Resulting Numbers: [31, 12, 53] Generated Node #0,4: 73:[31, 12, 53] Operation: 42+11=53 Start Sub Search at level 1: Moving to Node #0,0 Current State: 73:[11, 31, 54], Operations: ['42+12=54'] Exploring Operation: 31-11=20, Resulting Numbers: [54, 20] Generated Node #0,0,0: 73:[54, 20] Operation: 31-11=20 Exploring Operation: 11+54=65, Resulting Numbers: [31, 65] Generated Node #0,0,1: 73:[31, 65] Operation: 11+54=65 Exploring Operation: 54-11=43, Resulting Numbers: [31, 43] Generated Node #0,0,2: 73:[31, 43] Operation: 54-11=43 Exploring Operation: 11+31=42, Resulting Numbers: [54, 42] Generated Node #0,0,3: 73:[54, 42] Operation: 11+31=42 Exploring Operation: 31+54=85, Resulting Numbers: [11, 85] Generated Node #0,0,4: 73:[11, 85] Operation: 31+54=85 Moving to Node #0,0,1 Current State: 73:[31, 65], Operations: ['42+12=54', '11+54=65'] Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,73 unequal: No Solution Exploring Operation: 31*65=2015, Resulting Numbers: [2015] 2015,73 unequal: No Solution Exploring Operation: 31+65=96, Resulting Numbers: [96] 96,73 unequal: No Solution Moving to Node #0,0,3 Current State: 73:[54, 42], Operations: ['42+12=54', '11+31=42'] Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 54+42=96, Resulting Numbers: [96] 96,73 unequal: No Solution Exploring Operation: 54*42=2268, Resulting Numbers: [2268] 2268,73 unequal: No Solution Moving to Node #0,0,0 Current State: 73:[54, 20], Operations: ['42+12=54', '31-11=20'] Exploring Operation: 54+20=74, Resulting Numbers: [74] 74,73 unequal: No Solution Exploring Operation: 54-20=34, Resulting Numbers: [34] 34,73 unequal: No Solution Exploring Operation: 54*20=1080, Resulting Numbers: [1080] 1080,73 unequal: No Solution Moving to Node #0,0,2 Current State: 73:[31, 43], Operations: ['42+12=54', '54-11=43'] Exploring Operation: 31+43=74, Resulting Numbers: [74] 74,73 unequal: No Solution Exploring Operation: 31*43=1333, Resulting Numbers: [1333] 1333,73 unequal: No Solution Exploring Operation: 43-31=12, Resulting Numbers: [12] 12,73 unequal: No Solution Moving to Node #0,0,4 Current State: 73:[11, 85], Operations: ['42+12=54', '31+54=85'] Exploring Operation: 11+85=96, Resulting Numbers: [96] 96,73 unequal: No Solution Exploring Operation: 11*85=935, Resulting Numbers: [935] 935,73 unequal: No Solution Exploring Operation: 85-11=74, Resulting Numbers: [74] 74,73 unequal: No Solution No 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: 73:[42, 12, 42], Operations: ['11+31=42'] Exploring Operation: 42-12=30, Resulting Numbers: [42, 30] Generated Node #0,1,0: 73:[42, 30] Operation: 42-12=30 Exploring Operation: 42+12=54, Resulting Numbers: [42, 54] Generated Node #0,1,1: 73:[42, 54] Operation: 42+12=54 Exploring Operation: 42+42=84, Resulting Numbers: [12, 84] Generated Node #0,1,2: 73:[12, 84] Operation: 42+42=84 Exploring Operation: 12+42=54, Resulting Numbers: [42, 54] Generated Node #0,1,3: 73:[42, 54] Operation: 12+42=54 Exploring Operation: 42-12=30, Resulting Numbers: [42, 30] Generated Node #0,1,4: 73:[42, 30] Operation: 42-12=30 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 73:[42, 54], Operations: ['11+31=42', '42+12=54'] Exploring Operation: 42+54=96, Resulting Numbers: [96] 96,73 unequal: No Solution Exploring Operation: 42*54=2268, Resulting Numbers: [2268] 2268,73 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,73 unequal: No Solution No 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: 73:[42, 54], Operations: ['11+31=42', '12+42=54'] Exploring Operation: 42*54=2268, Resulting Numbers: [2268] 2268,73 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 42+54=96, Resulting Numbers: [96] 96,73 unequal: No Solution No 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: 73:[12, 84], Operations: ['11+31=42', '42+42=84'] Exploring Operation: 12+84=96, Resulting Numbers: [96] 96,73 unequal: No Solution Exploring Operation: 12*84=1008, Resulting Numbers: [1008] 1008,73 unequal: No Solution Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,73 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,73 unequal: No Solution No 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: 73:[42, 30], Operations: ['11+31=42', '42-12=30'] Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,73 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,73 unequal: No Solution No 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: 73:[42, 30], Operations: ['11+31=42', '42-12=30'] Exploring Operation: 42*30=1260, Resulting Numbers: [1260] 1260,73 unequal: No Solution Exploring Operation: 42-30=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 42+30=72, Resulting Numbers: [72] 72,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 73:[42, 31, 23], Operations: ['11+12=23'] Exploring Operation: 42-23=19, Resulting Numbers: [31, 19] Generated Node #0,2,0: 73:[31, 19] Operation: 42-23=19 Exploring Operation: 31-23=8, Resulting Numbers: [42, 8] Generated Node #0,2,1: 73:[42, 8] Operation: 31-23=8 Exploring Operation: 31+23=54, Resulting Numbers: [42, 54] Generated Node #0,2,2: 73:[42, 54] Operation: 31+23=54 Exploring Operation: 42+31=73, Resulting Numbers: [23, 73] Generated Node #0,2,3: 73:[23, 73] Operation: 42+31=73 Exploring Operation: 42+23=65, Resulting Numbers: [31, 65] Generated Node #0,2,4: 73:[31, 65] Operation: 42+23=65 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 73:[42, 54], Operations: ['11+12=23', '31+23=54'] Exploring Operation: 42+54=96, Resulting Numbers: [96] 96,73 unequal: No Solution Exploring Operation: 54-42=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 42*54=2268, Resulting Numbers: [2268] 2268,73 unequal: No Solution No 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: 73:[23, 73], Operations: ['11+12=23', '42+31=73'] Exploring Operation: 23*73=1679, Resulting Numbers: [1679] 1679,73 unequal: No Solution Exploring Operation: 73-23=50, Resulting Numbers: [50] 50,73 unequal: No Solution Exploring Operation: 23+73=96, Resulting Numbers: [96] 96,73 unequal: No Solution No 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: 73:[31, 65], Operations: ['11+12=23', '42+23=65'] Exploring Operation: 31*65=2015, Resulting Numbers: [2015] 2015,73 unequal: No Solution Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,73 unequal: No Solution Exploring Operation: 31+65=96, Resulting Numbers: [96] 96,73 unequal: No Solution No 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: 73:[31, 19], Operations: ['11+12=23', '42-23=19'] Exploring Operation: 31-19=12, Resulting Numbers: [12] 12,73 unequal: No Solution Exploring Operation: 31+19=50, Resulting Numbers: [50] 50,73 unequal: No Solution Exploring Operation: 31*19=589, Resulting Numbers: [589] 589,73 unequal: No Solution No 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: 73:[42, 8], Operations: ['11+12=23', '31-23=8'] Exploring Operation: 42+8=50, Resulting Numbers: [50] 50,73 unequal: No Solution Exploring Operation: 42-8=34, Resulting Numbers: [34] 34,73 unequal: No Solution Exploring Operation: 42*8=336, Resulting Numbers: [336] 336,73 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 73:[11, 12, 73], Operations: ['42+31=73'] Exploring Operation: 11+73=84, Resulting Numbers: [12, 84] Generated Node #0,3,0: 73:[12, 84] Operation: 11+73=84 Exploring Operation: 73-11=62, Resulting Numbers: [12, 62] Generated Node #0,3,1: 73:[12, 62] Operation: 73-11=62 Exploring Operation: 11*12=132, Resulting Numbers: [73, 132] Generated Node #0,3,2: 73:[73, 132] Operation: 11*12=132 Exploring Operation: 11+12=23, Resulting Numbers: [73, 23] Generated Node #0,3,3: 73:[73, 23] Operation: 11+12=23 Exploring Operation: 12-11=1, Resulting Numbers: [73, 1] Generated Node #0,3,4: 73:[73, 1] Operation: 12-11=1 Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 73:[73, 23], Operations: ['42+31=73', '11+12=23'] Exploring Operation: 73*23=1679, Resulting Numbers: [1679] 1679,73 unequal: No Solution Exploring Operation: 73+23=96, Resulting Numbers: [96] 96,73 unequal: No Solution Exploring Operation: 73-23=50, Resulting Numbers: [50] 50,73 unequal: No Solution No 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: 73:[73, 132], Operations: ['42+31=73', '11*12=132'] Exploring Operation: 73*132=9636, Resulting Numbers: [9636] 9636,73 unequal: No Solution Exploring Operation: 73+132=205, Resulting Numbers: [205] 205,73 unequal: No Solution Exploring Operation: 132-73=59, Resulting Numbers: [59] 59,73 unequal: No Solution No 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: 73:[12, 84], Operations: ['42+31=73', '11+73=84'] Exploring Operation: 84/12=7, Resulting Numbers: [7] 7,73 unequal: No Solution Exploring Operation: 12*84=1008, Resulting Numbers: [1008] 1008,73 unequal: No Solution Exploring Operation: 84-12=72, Resulting Numbers: [72] 72,73 unequal: No Solution Exploring Operation: 12+84=96, Resulting Numbers: [96] 96,73 unequal: No Solution No 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: 73:[12, 62], Operations: ['42+31=73', '73-11=62'] Exploring Operation: 62-12=50, Resulting Numbers: [50] 50,73 unequal: No Solution Exploring Operation: 12+62=74, Resulting Numbers: [74] 74,73 unequal: No Solution Exploring Operation: 12*62=744, Resulting Numbers: [744] 744,73 unequal: No Solution No 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: 73:[73, 1], Operations: ['42+31=73', '12-11=1'] Exploring Operation: 73-1=72, Resulting Numbers: [72] 72,73 unequal: No Solution Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Moving to Node #0 Current State: 73:[42, 11, 31, 12], Operations: [] Exploring Operation: 42+31=73, Resulting Numbers: [11, 12, 73] Generated Node #0,3: 73:[11, 12, 73] Operation: 42+31=73 Moving to Node #0,3 Current State: 73:[11, 12, 73], Operations: ['42+31=73'] Exploring Operation: 12-11=1, Resulting Numbers: [73, 1] Generated Node #0,3,4: 73:[73, 1] Operation: 12-11=1 Moving to Node #0,3,4 Current State: 73:[73, 1], Operations: ['42+31=73', '12-11=1'] Exploring Operation: 73/1=73, Resulting Numbers: [73] 73,73 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.921875
hs_5
sum_heuristic
[ 94, 94, 81, 13 ]
75
[ "94-81=13", "13*13=169", "169-94=75" ]
Current State: 75:[94, 94, 81, 13], Operations: [] Exploring Operation: 94-81=13, Resulting Numbers: [13, 13] Generated Node #2: [13, 13] from Operation: 94-81=13 Current State: 75:[13, 13], Operations: ['94-81=13'] Exploring Operation: 13*13=169, Resulting Numbers: [169] 169,75 equal: Goal Reached Exploring Operation: 169-94=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[94, 94, 81, 13], Operations: [] Exploring Operation: 94/94=1, Resulting Numbers: [81, 13, 1] Generated Node #0,0: 75:[81, 13, 1] Operation: 94/94=1 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[81, 13, 1], Operations: ['94/94=1'] Exploring Operation: 81-1=80, Resulting Numbers: [13, 80] Generated Node #0,0,0: 75:[13, 80] Operation: 81-1=80 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 75:[13, 80], Operations: ['94/94=1', '81-1=80'] Exploring Operation: 80-13=67, Resulting Numbers: [67] 67,75 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_1
mult_heuristic
[ 9, 99, 34, 65 ]
20
[ "99/9=11", "65-34=31", "31-11=20" ]
Current State: 20:[9, 99, 34, 65], Operations: [] Exploring Operation: 99/9=11, Resulting Numbers: [34, 65, 11] Generated Node #2: [34, 65, 11] from Operation: 99/9=11 Current State: 20:[34, 65, 11], Operations: ['99/9=11'] Exploring Operation: 65-34=31, Resulting Numbers: [11, 31] Generated Node #3: [11, 31] from Operation: 65-34=31 Current State: 20:[11, 31], Operations: ['99/9=11', '65-34=31'] Exploring Operation: 31-11=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[9, 99, 34, 65], Operations: [] Exploring Operation: 99-65=34, Resulting Numbers: [9, 34, 34] Generated Node #0,0: 20:[9, 34, 34] Operation: 99-65=34 Start Sub Search at level 1: Moving to Node #0,0 Current State: 20:[9, 34, 34], Operations: ['99-65=34'] Exploring Operation: 34/34=1, Resulting Numbers: [9, 1] Generated Node #0,0,0: 20:[9, 1] Operation: 34/34=1 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 20:[9, 1], Operations: ['99-65=34', '34/34=1'] Exploring Operation: 9+1=10, Resulting Numbers: [10] 10,20 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
mult_heuristic
[ 55, 98, 57, 32 ]
68
[ "98-55=43", "57-32=25", "43+25=68" ]
Current State: 68:[55, 98, 57, 32], Operations: [] Exploring Operation: 98-55=43, Resulting Numbers: [57, 32, 43] Generated Node #2: [57, 32, 43] from Operation: 98-55=43 Current State: 68:[57, 32, 43], Operations: ['98-55=43'] Exploring Operation: 57-32=25, Resulting Numbers: [43, 25] Generated Node #3: [43, 25] from Operation: 57-32=25 Current State: 68:[43, 25], Operations: ['98-55=43', '57-32=25'] Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,68 equal: Goal Reached
4
Current State: 68:[55, 98, 57, 32], Operations: [] Exploring Operation: 98-55=43, Resulting Numbers: [57, 32, 43] Generated Node #0,0: 68:[57, 32, 43] Operation: 98-55=43 Exploring Operation: 98-57=41, Resulting Numbers: [55, 32, 41] Generated Node #0,1: 68:[55, 32, 41] Operation: 98-57=41 Start Sub Search at level 1: Moving to Node #0,0 Current State: 68:[57, 32, 43], Operations: ['98-55=43'] Exploring Operation: 57-43=14, Resulting Numbers: [32, 14] Generated Node #0,0,0: 68:[32, 14] Operation: 57-43=14 Exploring Operation: 57-32=25, Resulting Numbers: [43, 25] Generated Node #0,0,1: 68:[43, 25] Operation: 57-32=25 Moving to Node #0,0,0 Current State: 68:[32, 14], Operations: ['98-55=43', '57-43=14'] Exploring Operation: 32-14=18, Resulting Numbers: [18] 18,68 unequal: No Solution Exploring Operation: 32+14=46, Resulting Numbers: [46] 46,68 unequal: No Solution Moving to Node #0,0,1 Current State: 68:[43, 25], Operations: ['98-55=43', '57-32=25'] Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Moving to Node #0 Current State: 68:[55, 98, 57, 32], Operations: [] Exploring Operation: 98-55=43, Resulting Numbers: [57, 32, 43] Generated Node #0,0: 68:[57, 32, 43] Operation: 98-55=43 Moving to Node #0,0 Current State: 68:[57, 32, 43], Operations: ['98-55=43'] Exploring Operation: 57-32=25, Resulting Numbers: [43, 25] Generated Node #0,0,1: 68:[43, 25] Operation: 57-32=25 Moving to Node #0,0,1 Current State: 68:[43, 25], Operations: ['98-55=43', '57-32=25'] Exploring Operation: 43+25=68, Resulting Numbers: [68] 68,68 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 64, 26, 62, 57 ]
70
[ "64-62=2", "26/2=13", "57+13=70" ]
Current State: 70:[64, 26, 62, 57], Operations: [] Exploring Operation: 64-62=2, Resulting Numbers: [26, 57, 2] Generated Node #2: [26, 57, 2] from Operation: 64-62=2 Current State: 70:[26, 57, 2], Operations: ['64-62=2'] Exploring Operation: 26/2=13, Resulting Numbers: [57, 13] Generated Node #3: [57, 13] from Operation: 26/2=13 Current State: 70:[57, 13], Operations: ['64-62=2', '26/2=13'] Exploring Operation: 57+13=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[64, 26, 62, 57], Operations: [] Exploring Operation: 57-26=31, Resulting Numbers: [64, 62, 31] Generated Node #0,0: 70:[64, 62, 31] Operation: 57-26=31 Exploring Operation: 62-26=36, Resulting Numbers: [64, 57, 36] Generated Node #0,1: 70:[64, 57, 36] Operation: 62-26=36 Exploring Operation: 64-57=7, Resulting Numbers: [26, 62, 7] Generated Node #0,2: 70:[26, 62, 7] Operation: 64-57=7 Exploring Operation: 62-57=5, Resulting Numbers: [64, 26, 5] Generated Node #0,3: 70:[64, 26, 5] Operation: 62-57=5 Start Sub Search at level 1: Moving to Node #0,3 Current State: 70:[64, 26, 5], Operations: ['62-57=5'] Exploring Operation: 26-5=21, Resulting Numbers: [64, 21] Generated Node #0,3,0: 70:[64, 21] Operation: 26-5=21 Exploring Operation: 64-26=38, Resulting Numbers: [5, 38] Generated Node #0,3,1: 70:[5, 38] Operation: 64-26=38 Exploring Operation: 26+5=31, Resulting Numbers: [64, 31] Generated Node #0,3,2: 70:[64, 31] Operation: 26+5=31 Exploring Operation: 64+5=69, Resulting Numbers: [26, 69] Generated Node #0,3,3: 70:[26, 69] Operation: 64+5=69 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 70:[5, 38], Operations: ['62-57=5', '64-26=38'] Exploring Operation: 5+38=43, Resulting Numbers: [43] 43,70 unequal: No Solution Exploring Operation: 5*38=190, Resulting Numbers: [190] 190,70 unequal: No Solution Exploring Operation: 38-5=33, Resulting Numbers: [33] 33,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,2 Current State: 70:[64, 31], Operations: ['62-57=5', '26+5=31'] Exploring Operation: 64*31=1984, Resulting Numbers: [1984] 1984,70 unequal: No Solution Exploring Operation: 64+31=95, Resulting Numbers: [95] 95,70 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,3 Current State: 70:[26, 69], Operations: ['62-57=5', '64+5=69'] Exploring Operation: 26*69=1794, Resulting Numbers: [1794] 1794,70 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,70 unequal: No Solution Exploring Operation: 26+69=95, Resulting Numbers: [95] 95,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,3,0 Current State: 70:[64, 21], Operations: ['62-57=5', '26-5=21'] Exploring Operation: 64+21=85, Resulting Numbers: [85] 85,70 unequal: No Solution Exploring Operation: 64*21=1344, Resulting Numbers: [1344] 1344,70 unequal: No Solution Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 70:[26, 62, 7], Operations: ['64-57=7'] Exploring Operation: 62-26=36, Resulting Numbers: [7, 36] Generated Node #0,2,0: 70:[7, 36] Operation: 62-26=36 Exploring Operation: 62+7=69, Resulting Numbers: [26, 69] Generated Node #0,2,1: 70:[26, 69] Operation: 62+7=69 Exploring Operation: 26+7=33, Resulting Numbers: [62, 33] Generated Node #0,2,2: 70:[62, 33] Operation: 26+7=33 Exploring Operation: 26-7=19, Resulting Numbers: [62, 19] Generated Node #0,2,3: 70:[62, 19] Operation: 26-7=19 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 70:[7, 36], Operations: ['64-57=7', '62-26=36'] Exploring Operation: 7*36=252, Resulting Numbers: [252] 252,70 unequal: No Solution Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 7+36=43, Resulting Numbers: [43] 43,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 70:[26, 69], Operations: ['64-57=7', '62+7=69'] Exploring Operation: 26+69=95, Resulting Numbers: [95] 95,70 unequal: No Solution Exploring Operation: 69-26=43, Resulting Numbers: [43] 43,70 unequal: No Solution Exploring Operation: 26*69=1794, Resulting Numbers: [1794] 1794,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 70:[62, 33], Operations: ['64-57=7', '26+7=33'] Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 62+33=95, Resulting Numbers: [95] 95,70 unequal: No Solution Exploring Operation: 62*33=2046, Resulting Numbers: [2046] 2046,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 70:[62, 19], Operations: ['64-57=7', '26-7=19'] Exploring Operation: 62+19=81, Resulting Numbers: [81] 81,70 unequal: No Solution Exploring Operation: 62-19=43, Resulting Numbers: [43] 43,70 unequal: No Solution Exploring Operation: 62*19=1178, Resulting Numbers: [1178] 1178,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[64, 62, 31], Operations: ['57-26=31'] Exploring Operation: 64-62=2, Resulting Numbers: [31, 2] Generated Node #0,0,0: 70:[31, 2] Operation: 64-62=2 Exploring Operation: 64-31=33, Resulting Numbers: [62, 33] Generated Node #0,0,1: 70:[62, 33] Operation: 64-31=33 Exploring Operation: 62/31=2, Resulting Numbers: [64, 2] Generated Node #0,0,2: 70:[64, 2] Operation: 62/31=2 Exploring Operation: 62-31=31, Resulting Numbers: [64, 31] Generated Node #0,0,3: 70:[64, 31] Operation: 62-31=31 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[31, 2], Operations: ['57-26=31', '64-62=2'] Exploring Operation: 31+2=33, Resulting Numbers: [33] 33,70 unequal: No Solution Exploring Operation: 31*2=62, Resulting Numbers: [62] 62,70 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 70:[64, 2], Operations: ['57-26=31', '62/31=2'] Exploring Operation: 64/2=32, Resulting Numbers: [32] 32,70 unequal: No Solution Exploring Operation: 64-2=62, Resulting Numbers: [62] 62,70 unequal: No Solution Exploring Operation: 64*2=128, Resulting Numbers: [128] 128,70 unequal: No Solution Exploring Operation: 64+2=66, Resulting Numbers: [66] 66,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 70:[62, 33], Operations: ['57-26=31', '64-31=33'] Exploring Operation: 62*33=2046, Resulting Numbers: [2046] 2046,70 unequal: No Solution Exploring Operation: 62-33=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 62+33=95, Resulting Numbers: [95] 95,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 70:[64, 31], Operations: ['57-26=31', '62-31=31'] Exploring Operation: 64+31=95, Resulting Numbers: [95] 95,70 unequal: No Solution Exploring Operation: 64*31=1984, Resulting Numbers: [1984] 1984,70 unequal: No Solution Exploring Operation: 64-31=33, Resulting Numbers: [33] 33,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[64, 57, 36], Operations: ['62-26=36'] Exploring Operation: 64-36=28, Resulting Numbers: [57, 28] Generated Node #0,1,0: 70:[57, 28] Operation: 64-36=28 Exploring Operation: 57+36=93, Resulting Numbers: [64, 93] Generated Node #0,1,1: 70:[64, 93] Operation: 57+36=93 Exploring Operation: 57-36=21, Resulting Numbers: [64, 21] Generated Node #0,1,2: 70:[64, 21] Operation: 57-36=21 Exploring Operation: 64-57=7, Resulting Numbers: [36, 7] Generated Node #0,1,3: 70:[36, 7] Operation: 64-57=7 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 70:[36, 7], Operations: ['62-26=36', '64-57=7'] Exploring Operation: 36-7=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 36*7=252, Resulting Numbers: [252] 252,70 unequal: No Solution Exploring Operation: 36+7=43, Resulting Numbers: [43] 43,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 70:[64, 21], Operations: ['62-26=36', '57-36=21'] Exploring Operation: 64*21=1344, Resulting Numbers: [1344] 1344,70 unequal: No Solution Exploring Operation: 64-21=43, Resulting Numbers: [43] 43,70 unequal: No Solution Exploring Operation: 64+21=85, Resulting Numbers: [85] 85,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 70:[57, 28], Operations: ['62-26=36', '64-36=28'] Exploring Operation: 57+28=85, Resulting Numbers: [85] 85,70 unequal: No Solution Exploring Operation: 57-28=29, Resulting Numbers: [29] 29,70 unequal: No Solution Exploring Operation: 57*28=1596, Resulting Numbers: [1596] 1596,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 70:[64, 93], Operations: ['62-26=36', '57+36=93'] Exploring Operation: 64*93=5952, Resulting Numbers: [5952] 5952,70 unequal: No Solution Exploring Operation: 64+93=157, Resulting Numbers: [157] 157,70 unequal: No Solution Exploring Operation: 93-64=29, Resulting Numbers: [29] 29,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
sum_heuristic
[ 75, 49, 39, 64 ]
61
[ "75*39=2925", "64+2925=2989", "2989/49=61" ]
Current State: 61:[75, 49, 39, 64], Operations: [] Exploring Operation: 75*39=2925, Resulting Numbers: [49, 64, 2925] Generated Node #2: [49, 64, 2925] from Operation: 75*39=2925 Current State: 61:[49, 64, 2925], Operations: ['75*39=2925'] Exploring Operation: 64+2925=2989, Resulting Numbers: [49, 2989] Generated Node #3: [49, 2989] from Operation: 64+2925=2989 Current State: 61:[49, 2989], Operations: ['75*39=2925', '64+2925=2989'] Exploring Operation: 2989/49=61, Resulting Numbers: [61] 61,61 equal: Goal Reached
4
Current State: 61:[75, 49, 39, 64], Operations: [] Exploring Operation: 75-39=36, Resulting Numbers: [49, 64, 36] Generated Node #0,0: 61:[49, 64, 36] Operation: 75-39=36 Start Sub Search at level 1: Moving to Node #0,0 Current State: 61:[49, 64, 36], Operations: ['75-39=36'] Exploring Operation: 49+36=85, Resulting Numbers: [64, 85] Generated Node #0,0,0: 61:[64, 85] Operation: 49+36=85 Moving to Node #0,0,0 Current State: 61:[64, 85], Operations: ['75-39=36', '49+36=85'] Exploring Operation: 85-64=21, Resulting Numbers: [21] 21,61 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
[ 18, 6, 30, 5 ]
43
[ "30/6=5", "5*5=25", "18+25=43" ]
Current State: 43:[18, 6, 30, 5], Operations: [] Exploring Operation: 30/6=5, Resulting Numbers: [18, 5, 5] Generated Node #2: [18, 5, 5] from Operation: 30/6=5 Current State: 43:[18, 5, 5], Operations: ['30/6=5'] Exploring Operation: 5*5=25, Resulting Numbers: [18, 25] Generated Node #3: [18, 25] from Operation: 5*5=25 Current State: 43:[18, 25], Operations: ['30/6=5', '5*5=25'] Exploring Operation: 18+25=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[18, 6, 30, 5], Operations: [] Exploring Operation: 6*5=30, Resulting Numbers: [18, 30, 30] Generated Node #0,0: 43:[18, 30, 30] Operation: 6*5=30 Exploring Operation: 18+6=24, Resulting Numbers: [30, 5, 24] Generated Node #0,1: 43:[30, 5, 24] Operation: 18+6=24 Exploring Operation: 18+5=23, Resulting Numbers: [6, 30, 23] Generated Node #0,2: 43:[6, 30, 23] Operation: 18+5=23 Moving to Node #0,0 Current State: 43:[18, 30, 30], Operations: ['6*5=30'] Exploring Operation: 18+30=48, Resulting Numbers: [30, 48] Generated Node #0,0,0: 43:[30, 48] Operation: 18+30=48 Exploring Operation: 30+30=60, Resulting Numbers: [18, 60] Generated Node #0,0,1: 43:[18, 60] Operation: 30+30=60 Exploring Operation: 18+30=48, Resulting Numbers: [30, 48] Generated Node #0,0,2: 43:[30, 48] Operation: 18+30=48 Moving to Node #0,1 Current State: 43:[30, 5, 24], Operations: ['18+6=24'] Exploring Operation: 30+5=35, Resulting Numbers: [24, 35] Generated Node #0,1,0: 43:[24, 35] Operation: 30+5=35 Exploring Operation: 5+24=29, Resulting Numbers: [30, 29] Generated Node #0,1,1: 43:[30, 29] Operation: 5+24=29 Exploring Operation: 30-5=25, Resulting Numbers: [24, 25] Generated Node #0,1,2: 43:[24, 25] Operation: 30-5=25 Moving to Node #0,2 Current State: 43:[6, 30, 23], Operations: ['18+5=23'] Exploring Operation: 30-6=24, Resulting Numbers: [23, 24] Generated Node #0,2,0: 43:[23, 24] Operation: 30-6=24 Exploring Operation: 6+30=36, Resulting Numbers: [23, 36] Generated Node #0,2,1: 43:[23, 36] Operation: 6+30=36 Exploring Operation: 6+23=29, Resulting Numbers: [30, 29] Generated Node #0,2,2: 43:[30, 29] Operation: 6+23=29 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 43:[23, 36], Operations: ['18+5=23', '6+30=36'] Exploring Operation: 36-23=13, Resulting Numbers: [13] 13,43 unequal: No Solution Exploring Operation: 23*36=828, Resulting Numbers: [828] 828,43 unequal: No Solution Exploring Operation: 23+36=59, Resulting Numbers: [59] 59,43 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 #0,2,2 Current State: 43:[30, 29], Operations: ['18+5=23', '6+23=29'] Exploring Operation: 30*29=870, Resulting Numbers: [870] 870,43 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,43 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 #0,2,0 Current State: 43:[23, 24], Operations: ['18+5=23', '30-6=24'] Exploring Operation: 23+24=47, Resulting Numbers: [47] 47,43 unequal: No Solution Exploring Operation: 24-23=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 23*24=552, Resulting Numbers: [552] 552,43 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: 43:[30, 48], Operations: ['6*5=30', '18+30=48'] Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,43 unequal: No Solution Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,43 unequal: No Solution Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[30, 48], Operations: ['6*5=30', '18+30=48'] Exploring Operation: 30*48=1440, Resulting Numbers: [1440] 1440,43 unequal: No Solution Exploring Operation: 30+48=78, Resulting Numbers: [78] 78,43 unequal: No Solution Exploring Operation: 48-30=18, Resulting Numbers: [18] 18,43 unequal: No Solution Moving to Node #0,1,1 Current State: 43:[30, 29], Operations: ['18+6=24', '5+24=29'] Exploring Operation: 30+29=59, Resulting Numbers: [59] 59,43 unequal: No Solution Exploring Operation: 30-29=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 30*29=870, Resulting Numbers: [870] 870,43 unequal: No Solution Moving to Node #0,1,0 Current State: 43:[24, 35], Operations: ['18+6=24', '30+5=35'] Exploring Operation: 35-24=11, Resulting Numbers: [11] 11,43 unequal: No Solution Exploring Operation: 24*35=840, Resulting Numbers: [840] 840,43 unequal: No Solution Exploring Operation: 24+35=59, Resulting Numbers: [59] 59,43 unequal: No Solution Moving to Node #0,1,2 Current State: 43:[24, 25], Operations: ['18+6=24', '30-5=25'] Exploring Operation: 24*25=600, Resulting Numbers: [600] 600,43 unequal: No Solution Exploring Operation: 25-24=1, Resulting Numbers: [1] 1,43 unequal: No Solution Exploring Operation: 24+25=49, Resulting Numbers: [49] 49,43 unequal: No Solution Moving to Node #0,0,1 Current State: 43:[18, 60], Operations: ['6*5=30', '30+30=60'] Exploring Operation: 60-18=42, Resulting Numbers: [42] 42,43 unequal: No Solution Exploring Operation: 18+60=78, Resulting Numbers: [78] 78,43 unequal: No Solution Exploring Operation: 18*60=1080, Resulting Numbers: [1080] 1080,43 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 88, 36, 71, 4 ]
23
[ "88-36=52", "71+4=75", "75-52=23" ]
Current State: 23:[88, 36, 71, 4], Operations: [] Exploring Operation: 88-36=52, Resulting Numbers: [71, 4, 52] Generated Node #2: [71, 4, 52] from Operation: 88-36=52 Current State: 23:[71, 4, 52], Operations: ['88-36=52'] Exploring Operation: 71+4=75, Resulting Numbers: [52, 75] Generated Node #3: [52, 75] from Operation: 71+4=75 Current State: 23:[52, 75], Operations: ['88-36=52', '71+4=75'] Exploring Operation: 75-52=23, Resulting Numbers: [23] 23,23 equal: Goal Reached
4
Current State: 23:[88, 36, 71, 4], Operations: [] Exploring Operation: 88-71=17, Resulting Numbers: [36, 4, 17] Generated Node #0,0: 23:[36, 4, 17] Operation: 88-71=17 Moving to Node #0,0 Current State: 23:[36, 4, 17], Operations: ['88-71=17'] Exploring Operation: 36-4=32, Resulting Numbers: [17, 32] Generated Node #0,0,0: 23:[17, 32] Operation: 36-4=32 Moving to Node #0,0,0 Current State: 23:[17, 32], Operations: ['88-71=17', '36-4=32'] Exploring Operation: 32-17=15, Resulting Numbers: [15] 15,23 unequal: No Solution No solution found.
0
hs_1
sum_heuristic
[ 28, 30, 57, 35 ]
83
[ "35-30=5", "28*5=140", "140-57=83" ]
Current State: 83:[28, 30, 57, 35], Operations: [] Exploring Operation: 35-30=5, Resulting Numbers: [28, 57, 5] Generated Node #2: [28, 57, 5] from Operation: 35-30=5 Current State: 83:[28, 57, 5], Operations: ['35-30=5'] Exploring Operation: 28*5=140, Resulting Numbers: [57, 140] Generated Node #3: [57, 140] from Operation: 28*5=140 Current State: 83:[57, 140], Operations: ['35-30=5', '28*5=140'] Exploring Operation: 140-57=83, Resulting Numbers: [83] 83,83 equal: Goal Reached
4
Current State: 83:[28, 30, 57, 35], Operations: [] Exploring Operation: 28+30=58, Resulting Numbers: [57, 35, 58] Generated Node #0,0: 83:[57, 35, 58] Operation: 28+30=58 Exploring Operation: 30+35=65, Resulting Numbers: [28, 57, 65] Generated Node #0,1: 83:[28, 57, 65] Operation: 30+35=65 Exploring Operation: 28+35=63, Resulting Numbers: [30, 57, 63] Generated Node #0,2: 83:[30, 57, 63] Operation: 28+35=63 Moving to Node #0,0 Current State: 83:[57, 35, 58], Operations: ['28+30=58'] Exploring Operation: 57+35=92, Resulting Numbers: [58, 92] Generated Node #0,0,0: 83:[58, 92] Operation: 57+35=92 Exploring Operation: 57+58=115, Resulting Numbers: [35, 115] Generated Node #0,0,1: 83:[35, 115] Operation: 57+58=115 Exploring Operation: 35+58=93, Resulting Numbers: [57, 93] Generated Node #0,0,2: 83:[57, 93] Operation: 35+58=93 Moving to Node #0,1 Current State: 83:[28, 57, 65], Operations: ['30+35=65'] Exploring Operation: 28+57=85, Resulting Numbers: [65, 85] Generated Node #0,1,0: 83:[65, 85] Operation: 28+57=85 Exploring Operation: 57-28=29, Resulting Numbers: [65, 29] Generated Node #0,1,1: 83:[65, 29] Operation: 57-28=29 Exploring Operation: 28+65=93, Resulting Numbers: [57, 93] Generated Node #0,1,2: 83:[57, 93] Operation: 28+65=93 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 83:[65, 85], Operations: ['30+35=65', '28+57=85'] Exploring Operation: 65+85=150, Resulting Numbers: [150] 150,83 unequal: No Solution Exploring Operation: 65*85=5525, Resulting Numbers: [5525] 5525,83 unequal: No Solution Exploring Operation: 85-65=20, Resulting Numbers: [20] 20,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 83:[57, 93], Operations: ['30+35=65', '28+65=93'] Exploring Operation: 57*93=5301, Resulting Numbers: [5301] 5301,83 unequal: No Solution Exploring Operation: 57+93=150, Resulting Numbers: [150] 150,83 unequal: No Solution Exploring Operation: 93-57=36, Resulting Numbers: [36] 36,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 83:[65, 29], Operations: ['30+35=65', '57-28=29'] Exploring Operation: 65*29=1885, Resulting Numbers: [1885] 1885,83 unequal: No Solution Exploring Operation: 65-29=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 65+29=94, Resulting Numbers: [94] 94,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 83:[30, 57, 63], Operations: ['28+35=63'] Exploring Operation: 30+63=93, Resulting Numbers: [57, 93] Generated Node #0,2,0: 83:[57, 93] Operation: 30+63=93 Exploring Operation: 30+57=87, Resulting Numbers: [63, 87] Generated Node #0,2,1: 83:[63, 87] Operation: 30+57=87 Exploring Operation: 57-30=27, Resulting Numbers: [63, 27] Generated Node #0,2,2: 83:[63, 27] Operation: 57-30=27 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 83:[63, 87], Operations: ['28+35=63', '30+57=87'] Exploring Operation: 63+87=150, Resulting Numbers: [150] 150,83 unequal: No Solution Exploring Operation: 63*87=5481, Resulting Numbers: [5481] 5481,83 unequal: No Solution Exploring Operation: 87-63=24, Resulting Numbers: [24] 24,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 83:[57, 93], Operations: ['28+35=63', '30+63=93'] Exploring Operation: 57+93=150, Resulting Numbers: [150] 150,83 unequal: No Solution Exploring Operation: 93-57=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 57*93=5301, Resulting Numbers: [5301] 5301,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 83:[63, 27], Operations: ['28+35=63', '57-30=27'] Exploring Operation: 63*27=1701, Resulting Numbers: [1701] 1701,83 unequal: No Solution Exploring Operation: 63+27=90, Resulting Numbers: [90] 90,83 unequal: No Solution Exploring Operation: 63-27=36, Resulting Numbers: [36] 36,83 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0,0 Current State: 83:[58, 92], Operations: ['28+30=58', '57+35=92'] Exploring Operation: 92-58=34, Resulting Numbers: [34] 34,83 unequal: No Solution Exploring Operation: 58+92=150, Resulting Numbers: [150] 150,83 unequal: No Solution Exploring Operation: 58*92=5336, Resulting Numbers: [5336] 5336,83 unequal: No Solution Moving to Node #0,0,2 Current State: 83:[57, 93], Operations: ['28+30=58', '35+58=93'] Exploring Operation: 93-57=36, Resulting Numbers: [36] 36,83 unequal: No Solution Exploring Operation: 57+93=150, Resulting Numbers: [150] 150,83 unequal: No Solution Exploring Operation: 57*93=5301, Resulting Numbers: [5301] 5301,83 unequal: No Solution Moving to Node #0,0,1 Current State: 83:[35, 115], Operations: ['28+30=58', '57+58=115'] Exploring Operation: 35+115=150, Resulting Numbers: [150] 150,83 unequal: No Solution Exploring Operation: 115-35=80, Resulting Numbers: [80] 80,83 unequal: No Solution Exploring Operation: 35*115=4025, Resulting Numbers: [4025] 4025,83 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 45, 10, 66, 20 ]
89
[ "45+66=111", "10*20=200", "200-111=89" ]
Current State: 89:[45, 10, 66, 20], Operations: [] Exploring Operation: 45+66=111, Resulting Numbers: [10, 20, 111] Generated Node #2: [10, 20, 111] from Operation: 45+66=111 Current State: 89:[10, 20, 111], Operations: ['45+66=111'] Exploring Operation: 10*20=200, Resulting Numbers: [111, 200] Generated Node #3: [111, 200] from Operation: 10*20=200 Current State: 89:[111, 200], Operations: ['45+66=111', '10*20=200'] Exploring Operation: 200-111=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[45, 10, 66, 20], Operations: [] Exploring Operation: 45+10=55, Resulting Numbers: [66, 20, 55] Generated Node #0,0: 89:[66, 20, 55] Operation: 45+10=55 Moving to Node #0,0 Current State: 89:[66, 20, 55], Operations: ['45+10=55'] Exploring Operation: 66+20=86, Resulting Numbers: [55, 86] Generated Node #0,0,0: 89:[55, 86] Operation: 66+20=86 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 89:[55, 86], Operations: ['45+10=55', '66+20=86'] Exploring Operation: 55+86=141, Resulting Numbers: [141] 141,89 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
[ 19, 75, 31, 87 ]
62
[ "75-19=56", "31+87=118", "118-56=62" ]
Current State: 62:[19, 75, 31, 87], Operations: [] Exploring Operation: 75-19=56, Resulting Numbers: [31, 87, 56] Generated Node #2: [31, 87, 56] from Operation: 75-19=56 Current State: 62:[31, 87, 56], Operations: ['75-19=56'] Exploring Operation: 31+87=118, Resulting Numbers: [56, 118] Generated Node #3: [56, 118] from Operation: 31+87=118 Current State: 62:[56, 118], Operations: ['75-19=56', '31+87=118'] Exploring Operation: 118-56=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[19, 75, 31, 87], Operations: [] Exploring Operation: 87-19=68, Resulting Numbers: [75, 31, 68] Generated Node #0,0: 62:[75, 31, 68] Operation: 87-19=68 Exploring Operation: 87-31=56, Resulting Numbers: [19, 75, 56] Generated Node #0,1: 62:[19, 75, 56] Operation: 87-31=56 Exploring Operation: 75-19=56, Resulting Numbers: [31, 87, 56] Generated Node #0,2: 62:[31, 87, 56] Operation: 75-19=56 Exploring Operation: 87-75=12, Resulting Numbers: [19, 31, 12] Generated Node #0,3: 62:[19, 31, 12] Operation: 87-75=12 Moving to Node #0,0 Current State: 62:[75, 31, 68], Operations: ['87-19=68'] Exploring Operation: 75+31=106, Resulting Numbers: [68, 106] Generated Node #0,0,0: 62:[68, 106] Operation: 75+31=106 Exploring Operation: 75-31=44, Resulting Numbers: [68, 44] Generated Node #0,0,1: 62:[68, 44] Operation: 75-31=44 Exploring Operation: 68-31=37, Resulting Numbers: [75, 37] Generated Node #0,0,2: 62:[75, 37] Operation: 68-31=37 Exploring Operation: 75-68=7, Resulting Numbers: [31, 7] Generated Node #0,0,3: 62:[31, 7] Operation: 75-68=7 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 62:[31, 7], Operations: ['87-19=68', '75-68=7'] Exploring Operation: 31-7=24, Resulting Numbers: [24] 24,62 unequal: No Solution Exploring Operation: 31+7=38, Resulting Numbers: [38] 38,62 unequal: No Solution Exploring Operation: 31*7=217, Resulting Numbers: [217] 217,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[68, 44], Operations: ['87-19=68', '75-31=44'] Exploring Operation: 68+44=112, Resulting Numbers: [112] 112,62 unequal: No Solution Exploring Operation: 68-44=24, Resulting Numbers: [24] 24,62 unequal: No Solution Exploring Operation: 68*44=2992, Resulting Numbers: [2992] 2992,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[75, 37], Operations: ['87-19=68', '68-31=37'] Exploring Operation: 75*37=2775, Resulting Numbers: [2775] 2775,62 unequal: No Solution Exploring Operation: 75+37=112, Resulting Numbers: [112] 112,62 unequal: No Solution Exploring Operation: 75-37=38, Resulting Numbers: [38] 38,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[68, 106], Operations: ['87-19=68', '75+31=106'] Exploring Operation: 68*106=7208, Resulting Numbers: [7208] 7208,62 unequal: No Solution Exploring Operation: 68+106=174, Resulting Numbers: [174] 174,62 unequal: No Solution Exploring Operation: 106-68=38, Resulting Numbers: [38] 38,62 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: 62:[19, 31, 12], Operations: ['87-75=12'] Exploring Operation: 19+12=31, Resulting Numbers: [31, 31] Generated Node #0,3,0: 62:[31, 31] Operation: 19+12=31 Exploring Operation: 31-19=12, Resulting Numbers: [12, 12] Generated Node #0,3,1: 62:[12, 12] Operation: 31-19=12 Exploring Operation: 19+31=50, Resulting Numbers: [12, 50] Generated Node #0,3,2: 62:[12, 50] Operation: 19+31=50 Exploring Operation: 19-12=7, Resulting Numbers: [31, 7] Generated Node #0,3,3: 62:[31, 7] Operation: 19-12=7 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 62:[31, 31], Operations: ['87-75=12', '19+12=31'] Exploring Operation: 31/31=1, Resulting Numbers: [1] 1,62 unequal: No Solution Exploring Operation: 31*31=961, Resulting Numbers: [961] 961,62 unequal: No Solution Exploring Operation: 31+31=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[19, 75, 31, 87], Operations: [] Exploring Operation: 87-75=12, Resulting Numbers: [19, 31, 12] Generated Node #0,3: 62:[19, 31, 12] Operation: 87-75=12 Moving to Node #0,3 Current State: 62:[19, 31, 12], Operations: ['87-75=12'] Exploring Operation: 19+12=31, Resulting Numbers: [31, 31] Generated Node #0,3,0: 62:[31, 31] Operation: 19+12=31 Moving to Node #0,3,0 Current State: 62:[31, 31], Operations: ['87-75=12', '19+12=31'] Exploring Operation: 31+31=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.97309
hs_4
sum_heuristic
[ 32, 42, 24, 48 ]
62
[ "42-32=10", "24+48=72", "72-10=62" ]
Current State: 62:[32, 42, 24, 48], Operations: [] Exploring Operation: 42-32=10, Resulting Numbers: [24, 48, 10] Generated Node #2: [24, 48, 10] from Operation: 42-32=10 Current State: 62:[24, 48, 10], Operations: ['42-32=10'] Exploring Operation: 24+48=72, Resulting Numbers: [10, 72] Generated Node #3: [10, 72] from Operation: 24+48=72 Current State: 62:[10, 72], Operations: ['42-32=10', '24+48=72'] Exploring Operation: 72-10=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[32, 42, 24, 48], Operations: [] Exploring Operation: 48-42=6, Resulting Numbers: [32, 24, 6] Generated Node #0,0: 62:[32, 24, 6] Operation: 48-42=6 Moving to Node #0,0 Current State: 62:[32, 24, 6], Operations: ['48-42=6'] Exploring Operation: 24+6=30, Resulting Numbers: [32, 30] Generated Node #0,0,0: 62:[32, 30] Operation: 24+6=30 Moving to Node #0,0,0 Current State: 62:[32, 30], Operations: ['48-42=6', '24+6=30'] Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[32, 42, 24, 48], Operations: [] Exploring Operation: 48-42=6, Resulting Numbers: [32, 24, 6] Generated Node #0,0: 62:[32, 24, 6] Operation: 48-42=6 Moving to Node #0,0 Current State: 62:[32, 24, 6], Operations: ['48-42=6'] Exploring Operation: 24+6=30, Resulting Numbers: [32, 30] Generated Node #0,0,0: 62:[32, 30] Operation: 24+6=30 Moving to Node #0,0,0 Current State: 62:[32, 30], Operations: ['48-42=6', '24+6=30'] Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 95, 19, 94, 95 ]
94
[ "95-95=0", "19*0=0", "94+0=94" ]
Current State: 94:[95, 19, 94, 95], Operations: [] Exploring Operation: 95-95=0, Resulting Numbers: [19, 94, 0] Generated Node #2: [19, 94, 0] from Operation: 95-95=0 Current State: 94:[19, 94, 0], Operations: ['95-95=0'] Exploring Operation: 19*0=0, Resulting Numbers: [94, 0] Generated Node #3: [94, 0] from Operation: 19*0=0 Current State: 94:[94, 0], Operations: ['95-95=0', '19*0=0'] Exploring Operation: 94+0=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[95, 19, 94, 95], Operations: [] Exploring Operation: 95/19=5, Resulting Numbers: [94, 95, 5] Generated Node #0,0: 94:[94, 95, 5] Operation: 95/19=5 Exploring Operation: 95/19=5, Resulting Numbers: [95, 94, 5] Generated Node #0,1: 94:[95, 94, 5] Operation: 95/19=5 Start Sub Search at level 1: Moving to Node #0,0 Current State: 94:[94, 95, 5], Operations: ['95/19=5'] Exploring Operation: 95-94=1, Resulting Numbers: [5, 1] Generated Node #0,0,0: 94:[5, 1] Operation: 95-94=1 Exploring Operation: 95-5=90, Resulting Numbers: [94, 90] Generated Node #0,0,1: 94:[94, 90] Operation: 95-5=90 Moving to Node #0,0,0 Current State: 94:[5, 1], Operations: ['95/19=5', '95-94=1'] Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,94 unequal: No Solution Moving to Node #0,0,1 Current State: 94:[94, 90], Operations: ['95/19=5', '95-5=90'] Exploring Operation: 94+90=184, Resulting Numbers: [184] 184,94 unequal: No Solution Exploring Operation: 94-90=4, Resulting Numbers: [4] 4,94 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 94:[95, 94, 5], Operations: ['95/19=5'] Exploring Operation: 95-94=1, Resulting Numbers: [5, 1] Generated Node #0,1,0: 94:[5, 1] Operation: 95-94=1 Exploring Operation: 95-5=90, Resulting Numbers: [94, 90] Generated Node #0,1,1: 94:[94, 90] Operation: 95-5=90 Moving to Node #0,1,0 Current State: 94:[5, 1], Operations: ['95/19=5', '95-94=1'] Exploring Operation: 5*1=5, Resulting Numbers: [5] 5,94 unequal: No Solution Exploring Operation: 5-1=4, Resulting Numbers: [4] 4,94 unequal: No Solution Moving to Node #0,1,1 Current State: 94:[94, 90], Operations: ['95/19=5', '95-5=90'] Exploring Operation: 94+90=184, Resulting Numbers: [184] 184,94 unequal: No Solution Exploring Operation: 94-90=4, Resulting Numbers: [4] 4,94 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
[ 28, 60, 4, 60 ]
31
[ "28+4=32", "60/60=1", "32-1=31" ]
Current State: 31:[28, 60, 4, 60], Operations: [] Exploring Operation: 28+4=32, Resulting Numbers: [60, 60, 32] Generated Node #2: [60, 60, 32] from Operation: 28+4=32 Current State: 31:[60, 60, 32], Operations: ['28+4=32'] Exploring Operation: 60/60=1, Resulting Numbers: [32, 1] Generated Node #3: [32, 1] from Operation: 60/60=1 Current State: 31:[32, 1], Operations: ['28+4=32', '60/60=1'] Exploring Operation: 32-1=31, Resulting Numbers: [31] 31,31 equal: Goal Reached
4
Current State: 31:[28, 60, 4, 60], Operations: [] Exploring Operation: 60/4=15, Resulting Numbers: [28, 60, 15] Generated Node #0,0: 31:[28, 60, 15] Operation: 60/4=15 Exploring Operation: 60/4=15, Resulting Numbers: [28, 60, 15] Generated Node #0,1: 31:[28, 60, 15] Operation: 60/4=15 Moving to Node #0,0 Current State: 31:[28, 60, 15], Operations: ['60/4=15'] Exploring Operation: 60-15=45, Resulting Numbers: [28, 45] Generated Node #0,0,0: 31:[28, 45] Operation: 60-15=45 Exploring Operation: 60-28=32, Resulting Numbers: [15, 32] Generated Node #0,0,1: 31:[15, 32] Operation: 60-28=32 Moving to Node #0,1 Current State: 31:[28, 60, 15], Operations: ['60/4=15'] Exploring Operation: 60-28=32, Resulting Numbers: [15, 32] Generated Node #0,1,0: 31:[15, 32] Operation: 60-28=32 Exploring Operation: 60-15=45, Resulting Numbers: [28, 45] Generated Node #0,1,1: 31:[28, 45] Operation: 60-15=45 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 31:[15, 32], Operations: ['60/4=15', '60-28=32'] Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,31 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 #0,1,1 Current State: 31:[28, 45], Operations: ['60/4=15', '60-15=45'] Exploring Operation: 28+45=73, Resulting Numbers: [73] 73,31 unequal: No Solution Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,31 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: 31:[28, 45], Operations: ['60/4=15', '60-15=45'] Exploring Operation: 28+45=73, Resulting Numbers: [73] 73,31 unequal: No Solution Exploring Operation: 45-28=17, Resulting Numbers: [17] 17,31 unequal: No Solution Moving to Node #0,0,1 Current State: 31:[15, 32], Operations: ['60/4=15', '60-28=32'] Exploring Operation: 15+32=47, Resulting Numbers: [47] 47,31 unequal: No Solution Exploring Operation: 32-15=17, Resulting Numbers: [17] 17,31 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 70, 63, 54, 40 ]
20
[ "70*54=3780", "3780/63=60", "60-40=20" ]
Current State: 20:[70, 63, 54, 40], Operations: [] Exploring Operation: 70*54=3780, Resulting Numbers: [63, 40, 3780] Generated Node #2: [63, 40, 3780] from Operation: 70*54=3780 Current State: 20:[63, 40, 3780], Operations: ['70*54=3780'] Exploring Operation: 3780/63=60, Resulting Numbers: [40, 60] Generated Node #3: [40, 60] from Operation: 3780/63=60 Current State: 20:[40, 60], Operations: ['70*54=3780', '3780/63=60'] Exploring Operation: 60-40=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[70, 63, 54, 40], Operations: [] Exploring Operation: 70-63=7, Resulting Numbers: [54, 40, 7] Generated Node #0,0: 20:[54, 40, 7] Operation: 70-63=7 Exploring Operation: 70-54=16, Resulting Numbers: [63, 40, 16] Generated Node #0,1: 20:[63, 40, 16] Operation: 70-54=16 Exploring Operation: 63-54=9, Resulting Numbers: [70, 40, 9] Generated Node #0,2: 20:[70, 40, 9] Operation: 63-54=9 Exploring Operation: 70-40=30, Resulting Numbers: [63, 54, 30] Generated Node #0,3: 20:[63, 54, 30] Operation: 70-40=30 Moving to Node #0,0 Current State: 20:[54, 40, 7], Operations: ['70-63=7'] Exploring Operation: 54+7=61, Resulting Numbers: [40, 61] Generated Node #0,0,0: 20:[40, 61] Operation: 54+7=61 Exploring Operation: 40-7=33, Resulting Numbers: [54, 33] Generated Node #0,0,1: 20:[54, 33] Operation: 40-7=33 Exploring Operation: 54-40=14, Resulting Numbers: [7, 14] Generated Node #0,0,2: 20:[7, 14] Operation: 54-40=14 Exploring Operation: 54-7=47, Resulting Numbers: [40, 47] Generated Node #0,0,3: 20:[40, 47] Operation: 54-7=47 Moving to Node #0,1 Current State: 20:[63, 40, 16], Operations: ['70-54=16'] Exploring Operation: 63+16=79, Resulting Numbers: [40, 79] Generated Node #0,1,0: 20:[40, 79] Operation: 63+16=79 Exploring Operation: 40-16=24, Resulting Numbers: [63, 24] Generated Node #0,1,1: 20:[63, 24] Operation: 40-16=24 Exploring Operation: 63-16=47, Resulting Numbers: [40, 47] Generated Node #0,1,2: 20:[40, 47] Operation: 63-16=47 Exploring Operation: 63-40=23, Resulting Numbers: [16, 23] Generated Node #0,1,3: 20:[16, 23] Operation: 63-40=23 Moving to Node #0,2 Current State: 20:[70, 40, 9], Operations: ['63-54=9'] Exploring Operation: 70+9=79, Resulting Numbers: [40, 79] Generated Node #0,2,0: 20:[40, 79] Operation: 70+9=79 Exploring Operation: 40-9=31, Resulting Numbers: [70, 31] Generated Node #0,2,1: 20:[70, 31] Operation: 40-9=31 Exploring Operation: 70-9=61, Resulting Numbers: [40, 61] Generated Node #0,2,2: 20:[40, 61] Operation: 70-9=61 Exploring Operation: 70-40=30, Resulting Numbers: [9, 30] Generated Node #0,2,3: 20:[9, 30] Operation: 70-40=30 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 20:[9, 30], Operations: ['63-54=9', '70-40=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 9*30=270, Resulting Numbers: [270] 270,20 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 #0,2,1 Current State: 20:[70, 31], Operations: ['63-54=9', '40-9=31'] Exploring Operation: 70+31=101, Resulting Numbers: [101] 101,20 unequal: No Solution Exploring Operation: 70-31=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 70*31=2170, Resulting Numbers: [2170] 2170,20 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 #0,2,2 Current State: 20:[40, 61], Operations: ['63-54=9', '70-9=61'] Exploring Operation: 40+61=101, Resulting Numbers: [101] 101,20 unequal: No Solution Exploring Operation: 40*61=2440, Resulting Numbers: [2440] 2440,20 unequal: No Solution Exploring Operation: 61-40=21, Resulting Numbers: [21] 21,20 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 20:[40, 79], Operations: ['63-54=9', '70+9=79'] Exploring Operation: 40*79=3160, Resulting Numbers: [3160] 3160,20 unequal: No Solution Exploring Operation: 79-40=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 40+79=119, Resulting Numbers: [119] 119,20 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: 20:[63, 54, 30], Operations: ['70-40=30'] Exploring Operation: 63-54=9, Resulting Numbers: [30, 9] Generated Node #0,3,0: 20:[30, 9] Operation: 63-54=9 Exploring Operation: 54-30=24, Resulting Numbers: [63, 24] Generated Node #0,3,1: 20:[63, 24] Operation: 54-30=24 Exploring Operation: 63-30=33, Resulting Numbers: [54, 33] Generated Node #0,3,2: 20:[54, 33] Operation: 63-30=33 Exploring Operation: 63+54=117, Resulting Numbers: [30, 117] Generated Node #0,3,3: 20:[30, 117] Operation: 63+54=117 Moving to Node #0,0,2 Current State: 20:[7, 14], Operations: ['70-63=7', '54-40=14'] Exploring Operation: 7+14=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 14-7=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 7*14=98, Resulting Numbers: [98] 98,20 unequal: No Solution Exploring Operation: 14/7=2, Resulting Numbers: [2] 2,20 unequal: No Solution Moving to Node #0,1,3 Current State: 20:[16, 23], Operations: ['70-54=16', '63-40=23'] Exploring Operation: 16*23=368, Resulting Numbers: [368] 368,20 unequal: No Solution Exploring Operation: 23-16=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 16+23=39, Resulting Numbers: [39] 39,20 unequal: No Solution Moving to Node #0,3,0 Current State: 20:[30, 9], Operations: ['70-40=30', '63-54=9'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,20 unequal: No Solution Exploring Operation: 30*9=270, Resulting Numbers: [270] 270,20 unequal: No Solution Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,20 unequal: No Solution Moving to Node #0,0,3 Current State: 20:[40, 47], Operations: ['70-63=7', '54-7=47'] Exploring Operation: 40*47=1880, Resulting Numbers: [1880] 1880,20 unequal: No Solution Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 40+47=87, Resulting Numbers: [87] 87,20 unequal: No Solution Moving to Node #0,1,2 Current State: 20:[40, 47], Operations: ['70-54=16', '63-16=47'] Exploring Operation: 40*47=1880, Resulting Numbers: [1880] 1880,20 unequal: No Solution Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,20 unequal: No Solution Exploring Operation: 40+47=87, Resulting Numbers: [87] 87,20 unequal: No Solution Moving to Node #0,3,2 Current State: 20:[54, 33], Operations: ['70-40=30', '63-30=33'] Exploring Operation: 54*33=1782, Resulting Numbers: [1782] 1782,20 unequal: No Solution Exploring Operation: 54+33=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,20 unequal: No Solution Moving to Node #0,1,1 Current State: 20:[63, 24], Operations: ['70-54=16', '40-16=24'] Exploring Operation: 63*24=1512, Resulting Numbers: [1512] 1512,20 unequal: No Solution Exploring Operation: 63-24=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 63+24=87, Resulting Numbers: [87] 87,20 unequal: No Solution Moving to Node #0,0,1 Current State: 20:[54, 33], Operations: ['70-63=7', '40-7=33'] Exploring Operation: 54*33=1782, Resulting Numbers: [1782] 1782,20 unequal: No Solution Exploring Operation: 54+33=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 54-33=21, Resulting Numbers: [21] 21,20 unequal: No Solution Moving to Node #0,3,1 Current State: 20:[63, 24], Operations: ['70-40=30', '54-30=24'] Exploring Operation: 63*24=1512, Resulting Numbers: [1512] 1512,20 unequal: No Solution Exploring Operation: 63+24=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 63-24=39, Resulting Numbers: [39] 39,20 unequal: No Solution Moving to Node #0,0,0 Current State: 20:[40, 61], Operations: ['70-63=7', '54+7=61'] Exploring Operation: 40+61=101, Resulting Numbers: [101] 101,20 unequal: No Solution Exploring Operation: 40*61=2440, Resulting Numbers: [2440] 2440,20 unequal: No Solution Exploring Operation: 61-40=21, Resulting Numbers: [21] 21,20 unequal: No Solution Moving to Node #0,1,0 Current State: 20:[40, 79], Operations: ['70-54=16', '63+16=79'] Exploring Operation: 40+79=119, Resulting Numbers: [119] 119,20 unequal: No Solution Exploring Operation: 79-40=39, Resulting Numbers: [39] 39,20 unequal: No Solution Exploring Operation: 40*79=3160, Resulting Numbers: [3160] 3160,20 unequal: No Solution Moving to Node #0,3,3 Current State: 20:[30, 117], Operations: ['70-40=30', '63+54=117'] Exploring Operation: 30*117=3510, Resulting Numbers: [3510] 3510,20 unequal: No Solution Exploring Operation: 117-30=87, Resulting Numbers: [87] 87,20 unequal: No Solution Exploring Operation: 30+117=147, Resulting Numbers: [147] 147,20 unequal: No Solution No solution found.
0
hs_4
sum_heuristic
[ 78, 44, 63, 39 ]
41
[ "78/39=2", "44/2=22", "63-22=41" ]
Current State: 41:[78, 44, 63, 39], Operations: [] Exploring Operation: 78/39=2, Resulting Numbers: [44, 63, 2] Generated Node #2: [44, 63, 2] from Operation: 78/39=2 Current State: 41:[44, 63, 2], Operations: ['78/39=2'] Exploring Operation: 44/2=22, Resulting Numbers: [63, 22] Generated Node #3: [63, 22] from Operation: 44/2=22 Current State: 41:[63, 22], Operations: ['78/39=2', '44/2=22'] Exploring Operation: 63-22=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[78, 44, 63, 39], Operations: [] Exploring Operation: 78-39=39, Resulting Numbers: [44, 63, 39] Generated Node #0,0: 41:[44, 63, 39] Operation: 78-39=39 Exploring Operation: 78-44=34, Resulting Numbers: [63, 39, 34] Generated Node #0,1: 41:[63, 39, 34] Operation: 78-44=34 Moving to Node #0,0 Current State: 41:[44, 63, 39], Operations: ['78-39=39'] Exploring Operation: 63-44=19, Resulting Numbers: [39, 19] Generated Node #0,0,0: 41:[39, 19] Operation: 63-44=19 Exploring Operation: 63-39=24, Resulting Numbers: [44, 24] Generated Node #0,0,1: 41:[44, 24] Operation: 63-39=24 Moving to Node #0,1 Current State: 41:[63, 39, 34], Operations: ['78-44=34'] Exploring Operation: 63-34=29, Resulting Numbers: [39, 29] Generated Node #0,1,0: 41:[39, 29] Operation: 63-34=29 Exploring Operation: 63-39=24, Resulting Numbers: [34, 24] Generated Node #0,1,1: 41:[34, 24] Operation: 63-39=24 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[39, 29], Operations: ['78-44=34', '63-34=29'] Exploring Operation: 39-29=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 39+29=68, Resulting Numbers: [68] 68,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[34, 24], Operations: ['78-44=34', '63-39=24'] Exploring Operation: 34-24=10, Resulting Numbers: [10] 10,41 unequal: No Solution Exploring Operation: 34+24=58, Resulting Numbers: [58] 58,41 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: 41:[44, 24], Operations: ['78-39=39', '63-39=24'] Exploring Operation: 44+24=68, Resulting Numbers: [68] 68,41 unequal: No Solution Exploring Operation: 44-24=20, Resulting Numbers: [20] 20,41 unequal: No Solution Moving to Node #0,0,0 Current State: 41:[39, 19], Operations: ['78-39=39', '63-44=19'] Exploring Operation: 39+19=58, Resulting Numbers: [58] 58,41 unequal: No Solution Exploring Operation: 39-19=20, Resulting Numbers: [20] 20,41 unequal: No Solution No solution found.
0
hs_2
sum_heuristic
[ 10, 8, 82, 93 ]
71
[ "10-8=2", "82*2=164", "164-93=71" ]
Current State: 71:[10, 8, 82, 93], Operations: [] Exploring Operation: 10-8=2, Resulting Numbers: [82, 93, 2] Generated Node #2: [82, 93, 2] from Operation: 10-8=2 Current State: 71:[82, 93, 2], Operations: ['10-8=2'] Exploring Operation: 82*2=164, Resulting Numbers: [93, 164] Generated Node #3: [93, 164] from Operation: 82*2=164 Current State: 71:[93, 164], Operations: ['10-8=2', '82*2=164'] Exploring Operation: 164-93=71, Resulting Numbers: [71] 71,71 equal: Goal Reached
4
Current State: 71:[10, 8, 82, 93], Operations: [] Exploring Operation: 10+8=18, Resulting Numbers: [82, 93, 18] Generated Node #0,0: 71:[82, 93, 18] Operation: 10+8=18 Exploring Operation: 82-10=72, Resulting Numbers: [8, 93, 72] Generated Node #0,1: 71:[8, 93, 72] Operation: 82-10=72 Exploring Operation: 82-8=74, Resulting Numbers: [10, 93, 74] Generated Node #0,2: 71:[10, 93, 74] Operation: 82-8=74 Exploring Operation: 10*8=80, Resulting Numbers: [82, 93, 80] Generated Node #0,3: 71:[82, 93, 80] Operation: 10*8=80 Exploring Operation: 93-10=83, Resulting Numbers: [8, 82, 83] Generated Node #0,4: 71:[8, 82, 83] Operation: 93-10=83 Moving to Node #0,3 Current State: 71:[82, 93, 80], Operations: ['10*8=80'] Exploring Operation: 82-80=2, Resulting Numbers: [93, 2] Generated Node #0,3,0: 71:[93, 2] Operation: 82-80=2 Exploring Operation: 82+93=175, Resulting Numbers: [80, 175] Generated Node #0,3,1: 71:[80, 175] Operation: 82+93=175 Exploring Operation: 93-82=11, Resulting Numbers: [80, 11] Generated Node #0,3,2: 71:[80, 11] Operation: 93-82=11 Exploring Operation: 93-80=13, Resulting Numbers: [82, 13] Generated Node #0,3,3: 71:[82, 13] Operation: 93-80=13 Exploring Operation: 82+80=162, Resulting Numbers: [93, 162] Generated Node #0,3,4: 71:[93, 162] Operation: 82+80=162 Moving to Node #0,1 Current State: 71:[8, 93, 72], Operations: ['82-10=72'] Exploring Operation: 93-8=85, Resulting Numbers: [72, 85] Generated Node #0,1,0: 71:[72, 85] Operation: 93-8=85 Exploring Operation: 72-8=64, Resulting Numbers: [93, 64] Generated Node #0,1,1: 71:[93, 64] Operation: 72-8=64 Exploring Operation: 72/8=9, Resulting Numbers: [93, 9] Generated Node #0,1,2: 71:[93, 9] Operation: 72/8=9 Exploring Operation: 8+72=80, Resulting Numbers: [93, 80] Generated Node #0,1,3: 71:[93, 80] Operation: 8+72=80 Exploring Operation: 8+93=101, Resulting Numbers: [72, 101] Generated Node #0,1,4: 71:[72, 101] Operation: 8+93=101 Moving to Node #0,4 Current State: 71:[8, 82, 83], Operations: ['93-10=83'] Exploring Operation: 82-8=74, Resulting Numbers: [83, 74] Generated Node #0,4,0: 71:[83, 74] Operation: 82-8=74 Exploring Operation: 8+83=91, Resulting Numbers: [82, 91] Generated Node #0,4,1: 71:[82, 91] Operation: 8+83=91 Exploring Operation: 83-82=1, Resulting Numbers: [8, 1] Generated Node #0,4,2: 71:[8, 1] Operation: 83-82=1 Exploring Operation: 8+82=90, Resulting Numbers: [83, 90] Generated Node #0,4,3: 71:[83, 90] Operation: 8+82=90 Exploring Operation: 83-8=75, Resulting Numbers: [82, 75] Generated Node #0,4,4: 71:[82, 75] Operation: 83-8=75 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 71:[83, 74], Operations: ['93-10=83', '82-8=74'] Exploring Operation: 83+74=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 83-74=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 83*74=6142, Resulting Numbers: [6142] 6142,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 71:[82, 75], Operations: ['93-10=83', '83-8=75'] Exploring Operation: 82-75=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 82*75=6150, Resulting Numbers: [6150] 6150,71 unequal: No Solution Exploring Operation: 82+75=157, Resulting Numbers: [157] 157,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 71:[82, 91], Operations: ['93-10=83', '8+83=91'] Exploring Operation: 82+91=173, Resulting Numbers: [173] 173,71 unequal: No Solution Exploring Operation: 91-82=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 82*91=7462, Resulting Numbers: [7462] 7462,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 71:[83, 90], Operations: ['93-10=83', '8+82=90'] Exploring Operation: 83*90=7470, Resulting Numbers: [7470] 7470,71 unequal: No Solution Exploring Operation: 90-83=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 83+90=173, Resulting Numbers: [173] 173,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 71:[8, 1], Operations: ['93-10=83', '83-82=1'] Exploring Operation: 8/1=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 8-1=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 8*1=8, Resulting Numbers: [8] 8,71 unequal: No Solution Exploring Operation: 8+1=9, Resulting Numbers: [9] 9,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 71:[82, 93, 18], Operations: ['10+8=18'] Exploring Operation: 93-82=11, Resulting Numbers: [18, 11] Generated Node #0,0,0: 71:[18, 11] Operation: 93-82=11 Exploring Operation: 82+18=100, Resulting Numbers: [93, 100] Generated Node #0,0,1: 71:[93, 100] Operation: 82+18=100 Exploring Operation: 93-18=75, Resulting Numbers: [82, 75] Generated Node #0,0,2: 71:[82, 75] Operation: 93-18=75 Exploring Operation: 82-18=64, Resulting Numbers: [93, 64] Generated Node #0,0,3: 71:[93, 64] Operation: 82-18=64 Exploring Operation: 93+18=111, Resulting Numbers: [82, 111] Generated Node #0,0,4: 71:[82, 111] Operation: 93+18=111 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 71:[82, 75], Operations: ['10+8=18', '93-18=75'] Exploring Operation: 82+75=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 82*75=6150, Resulting Numbers: [6150] 6150,71 unequal: No Solution Exploring Operation: 82-75=7, Resulting Numbers: [7] 7,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 71:[93, 64], Operations: ['10+8=18', '82-18=64'] Exploring Operation: 93+64=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 93-64=29, Resulting Numbers: [29] 29,71 unequal: No Solution Exploring Operation: 93*64=5952, Resulting Numbers: [5952] 5952,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 71:[93, 100], Operations: ['10+8=18', '82+18=100'] Exploring Operation: 100-93=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 93*100=9300, Resulting Numbers: [9300] 9300,71 unequal: No Solution Exploring Operation: 93+100=193, Resulting Numbers: [193] 193,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 71:[82, 111], Operations: ['10+8=18', '93+18=111'] Exploring Operation: 82*111=9102, Resulting Numbers: [9102] 9102,71 unequal: No Solution Exploring Operation: 82+111=193, Resulting Numbers: [193] 193,71 unequal: No Solution Exploring Operation: 111-82=29, Resulting Numbers: [29] 29,71 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 71:[18, 11], Operations: ['10+8=18', '93-82=11'] Exploring Operation: 18-11=7, Resulting Numbers: [7] 7,71 unequal: No Solution Exploring Operation: 18*11=198, Resulting Numbers: [198] 198,71 unequal: No Solution Exploring Operation: 18+11=29, Resulting Numbers: [29] 29,71 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: 71:[10, 93, 74], Operations: ['82-8=74'] Exploring Operation: 93-74=19, Resulting Numbers: [10, 19] Generated Node #0,2,0: 71:[10, 19] Operation: 93-74=19 Exploring Operation: 10+74=84, Resulting Numbers: [93, 84] Generated Node #0,2,1: 71:[93, 84] Operation: 10+74=84 Exploring Operation: 74-10=64, Resulting Numbers: [93, 64] Generated Node #0,2,2: 71:[93, 64] Operation: 74-10=64 Exploring Operation: 10+93=103, Resulting Numbers: [74, 103] Generated Node #0,2,3: 71:[74, 103] Operation: 10+93=103 Exploring Operation: 93-10=83, Resulting Numbers: [74, 83] Generated Node #0,2,4: 71:[74, 83] Operation: 93-10=83 Moving to Node #0,1,0 Current State: 71:[72, 85], Operations: ['82-10=72', '93-8=85'] Exploring Operation: 72*85=6120, Resulting Numbers: [6120] 6120,71 unequal: No Solution Exploring Operation: 72+85=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 85-72=13, Resulting Numbers: [13] 13,71 unequal: No Solution Moving to Node #0,2,4 Current State: 71:[74, 83], Operations: ['82-8=74', '93-10=83'] Exploring Operation: 74*83=6142, Resulting Numbers: [6142] 6142,71 unequal: No Solution Exploring Operation: 83-74=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 74+83=157, Resulting Numbers: [157] 157,71 unequal: No Solution Moving to Node #0,1,1 Current State: 71:[93, 64], Operations: ['82-10=72', '72-8=64'] Exploring Operation: 93-64=29, Resulting Numbers: [29] 29,71 unequal: No Solution Exploring Operation: 93*64=5952, Resulting Numbers: [5952] 5952,71 unequal: No Solution Exploring Operation: 93+64=157, Resulting Numbers: [157] 157,71 unequal: No Solution Moving to Node #0,2,2 Current State: 71:[93, 64], Operations: ['82-8=74', '74-10=64'] Exploring Operation: 93+64=157, Resulting Numbers: [157] 157,71 unequal: No Solution Exploring Operation: 93-64=29, Resulting Numbers: [29] 29,71 unequal: No Solution Exploring Operation: 93*64=5952, Resulting Numbers: [5952] 5952,71 unequal: No Solution Moving to Node #0,1,3 Current State: 71:[93, 80], Operations: ['82-10=72', '8+72=80'] Exploring Operation: 93*80=7440, Resulting Numbers: [7440] 7440,71 unequal: No Solution Exploring Operation: 93-80=13, Resulting Numbers: [13] 13,71 unequal: No Solution Exploring Operation: 93+80=173, Resulting Numbers: [173] 173,71 unequal: No Solution Moving to Node #0,1,4 Current State: 71:[72, 101], Operations: ['82-10=72', '8+93=101'] Exploring Operation: 72*101=7272, Resulting Numbers: [7272] 7272,71 unequal: No Solution Exploring Operation: 72+101=173, Resulting Numbers: [173] 173,71 unequal: No Solution Exploring Operation: 101-72=29, Resulting Numbers: [29] 29,71 unequal: No Solution Moving to Node #0,2,3 Current State: 71:[74, 103], Operations: ['82-8=74', '10+93=103'] Exploring Operation: 74+103=177, Resulting Numbers: [177] 177,71 unequal: No Solution Exploring Operation: 74*103=7622, Resulting Numbers: [7622] 7622,71 unequal: No Solution Exploring Operation: 103-74=29, Resulting Numbers: [29] 29,71 unequal: No Solution Moving to Node #0,2,1 Current State: 71:[93, 84], Operations: ['82-8=74', '10+74=84'] Exploring Operation: 93+84=177, Resulting Numbers: [177] 177,71 unequal: No Solution Exploring Operation: 93-84=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 93*84=7812, Resulting Numbers: [7812] 7812,71 unequal: No Solution Moving to Node #0,3,2 Current State: 71:[80, 11], Operations: ['10*8=80', '93-82=11'] Exploring Operation: 80*11=880, Resulting Numbers: [880] 880,71 unequal: No Solution Exploring Operation: 80+11=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 80-11=69, Resulting Numbers: [69] 69,71 unequal: No Solution Moving to Node #0,3,3 Current State: 71:[82, 13], Operations: ['10*8=80', '93-80=13'] Exploring Operation: 82*13=1066, Resulting Numbers: [1066] 1066,71 unequal: No Solution Exploring Operation: 82-13=69, Resulting Numbers: [69] 69,71 unequal: No Solution Exploring Operation: 82+13=95, Resulting Numbers: [95] 95,71 unequal: No Solution Moving to Node #0,1,2 Current State: 71:[93, 9], Operations: ['82-10=72', '72/8=9'] Exploring Operation: 93*9=837, Resulting Numbers: [837] 837,71 unequal: No Solution Exploring Operation: 93+9=102, Resulting Numbers: [102] 102,71 unequal: No Solution Exploring Operation: 93-9=84, Resulting Numbers: [84] 84,71 unequal: No Solution Moving to Node #0,3,0 Current State: 71:[93, 2], Operations: ['10*8=80', '82-80=2'] Exploring Operation: 93*2=186, Resulting Numbers: [186] 186,71 unequal: No Solution Exploring Operation: 93-2=91, Resulting Numbers: [91] 91,71 unequal: No Solution Exploring Operation: 93+2=95, Resulting Numbers: [95] 95,71 unequal: No Solution Moving to Node #0,2,0 Current State: 71:[10, 19], Operations: ['82-8=74', '93-74=19'] Exploring Operation: 19-10=9, Resulting Numbers: [9] 9,71 unequal: No Solution Exploring Operation: 10*19=190, Resulting Numbers: [190] 190,71 unequal: No Solution Exploring Operation: 10+19=29, Resulting Numbers: [29] 29,71 unequal: No Solution Moving to Node #0,3,4 Current State: 71:[93, 162], Operations: ['10*8=80', '82+80=162'] Exploring Operation: 93*162=15066, Resulting Numbers: [15066] 15066,71 unequal: No Solution Exploring Operation: 93+162=255, Resulting Numbers: [255] 255,71 unequal: No Solution Exploring Operation: 162-93=69, Resulting Numbers: [69] 69,71 unequal: No Solution Moving to Node #0,3,1 Current State: 71:[80, 175], Operations: ['10*8=80', '82+93=175'] Exploring Operation: 80*175=14000, Resulting Numbers: [14000] 14000,71 unequal: No Solution Exploring Operation: 80+175=255, Resulting Numbers: [255] 255,71 unequal: No Solution Exploring Operation: 175-80=95, Resulting Numbers: [95] 95,71 unequal: No Solution No solution found.
0
hs_5
mult_heuristic
[ 55, 71, 36, 33 ]
21
[ "71-36=35", "33*35=1155", "1155/55=21" ]
Current State: 21:[55, 71, 36, 33], Operations: [] Exploring Operation: 71-36=35, Resulting Numbers: [55, 33, 35] Generated Node #2: [55, 33, 35] from Operation: 71-36=35 Current State: 21:[55, 33, 35], Operations: ['71-36=35'] Exploring Operation: 33*35=1155, Resulting Numbers: [55, 1155] Generated Node #3: [55, 1155] from Operation: 33*35=1155 Current State: 21:[55, 1155], Operations: ['71-36=35', '33*35=1155'] Exploring Operation: 1155/55=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[55, 71, 36, 33], Operations: [] Exploring Operation: 71-36=35, Resulting Numbers: [55, 33, 35] Generated Node #0,0: 21:[55, 33, 35] Operation: 71-36=35 Exploring Operation: 71-55=16, Resulting Numbers: [36, 33, 16] Generated Node #0,1: 21:[36, 33, 16] Operation: 71-55=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 21:[36, 33, 16], Operations: ['71-55=16'] Exploring Operation: 36-16=20, Resulting Numbers: [33, 20] Generated Node #0,1,0: 21:[33, 20] Operation: 36-16=20 Exploring Operation: 36-33=3, Resulting Numbers: [16, 3] Generated Node #0,1,1: 21:[16, 3] Operation: 36-33=3 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 21:[16, 3], Operations: ['71-55=16', '36-33=3'] Exploring Operation: 16-3=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 16+3=19, Resulting Numbers: [19] 19,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 21:[33, 20], Operations: ['71-55=16', '36-16=20'] Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,21 unequal: No Solution Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,21 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 21:[55, 33, 35], Operations: ['71-36=35'] Exploring Operation: 55-33=22, Resulting Numbers: [35, 22] Generated Node #0,0,0: 21:[35, 22] Operation: 55-33=22 Exploring Operation: 55-35=20, Resulting Numbers: [33, 20] Generated Node #0,0,1: 21:[33, 20] Operation: 55-35=20 Moving to Node #0,0,1 Current State: 21:[33, 20], Operations: ['71-36=35', '55-35=20'] Exploring Operation: 33-20=13, Resulting Numbers: [13] 13,21 unequal: No Solution Exploring Operation: 33+20=53, Resulting Numbers: [53] 53,21 unequal: No Solution Moving to Node #0,0,0 Current State: 21:[35, 22], Operations: ['71-36=35', '55-33=22'] Exploring Operation: 35+22=57, Resulting Numbers: [57] 57,21 unequal: No Solution Exploring Operation: 35-22=13, Resulting Numbers: [13] 13,21 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
[ 25, 83, 81, 69 ]
47
[ "25+69=94", "83-81=2", "94/2=47" ]
Current State: 47:[25, 83, 81, 69], Operations: [] Exploring Operation: 25+69=94, Resulting Numbers: [83, 81, 94] Generated Node #2: [83, 81, 94] from Operation: 25+69=94 Current State: 47:[83, 81, 94], Operations: ['25+69=94'] Exploring Operation: 83-81=2, Resulting Numbers: [94, 2] Generated Node #3: [94, 2] from Operation: 83-81=2 Current State: 47:[94, 2], Operations: ['25+69=94', '83-81=2'] Exploring Operation: 94/2=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[25, 83, 81, 69], Operations: [] Exploring Operation: 69-25=44, Resulting Numbers: [83, 81, 44] Generated Node #0,0: 47:[83, 81, 44] Operation: 69-25=44 Exploring Operation: 81-25=56, Resulting Numbers: [83, 69, 56] Generated Node #0,1: 47:[83, 69, 56] Operation: 81-25=56 Exploring Operation: 83-25=58, Resulting Numbers: [81, 69, 58] Generated Node #0,2: 47:[81, 69, 58] Operation: 83-25=58 Moving to Node #0,1 Current State: 47:[83, 69, 56], Operations: ['81-25=56'] Exploring Operation: 83-56=27, Resulting Numbers: [69, 27] Generated Node #0,1,0: 47:[69, 27] Operation: 83-56=27 Exploring Operation: 69-56=13, Resulting Numbers: [83, 13] Generated Node #0,1,1: 47:[83, 13] Operation: 69-56=13 Exploring Operation: 83-69=14, Resulting Numbers: [56, 14] Generated Node #0,1,2: 47:[56, 14] Operation: 83-69=14 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 47:[69, 27], Operations: ['81-25=56', '83-56=27'] Exploring Operation: 69*27=1863, Resulting Numbers: [1863] 1863,47 unequal: No Solution Exploring Operation: 69+27=96, Resulting Numbers: [96] 96,47 unequal: No Solution Exploring Operation: 69-27=42, Resulting Numbers: [42] 42,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 47:[56, 14], Operations: ['81-25=56', '83-69=14'] Exploring Operation: 56+14=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 56-14=42, Resulting Numbers: [42] 42,47 unequal: No Solution Exploring Operation: 56/14=4, Resulting Numbers: [4] 4,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 47:[83, 13], Operations: ['81-25=56', '69-56=13'] Exploring Operation: 83+13=96, Resulting Numbers: [96] 96,47 unequal: No Solution Exploring Operation: 83-13=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 83*13=1079, Resulting Numbers: [1079] 1079,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,2 Current State: 47:[81, 69, 58], Operations: ['83-25=58'] Exploring Operation: 81-69=12, Resulting Numbers: [58, 12] Generated Node #0,2,0: 47:[58, 12] Operation: 81-69=12 Exploring Operation: 81-58=23, Resulting Numbers: [69, 23] Generated Node #0,2,1: 47:[69, 23] Operation: 81-58=23 Exploring Operation: 69-58=11, Resulting Numbers: [81, 11] Generated Node #0,2,2: 47:[81, 11] Operation: 69-58=11 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 47:[58, 12], Operations: ['83-25=58', '81-69=12'] Exploring Operation: 58+12=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 58*12=696, Resulting Numbers: [696] 696,47 unequal: No Solution Exploring Operation: 58-12=46, Resulting Numbers: [46] 46,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 47:[69, 23], Operations: ['83-25=58', '81-58=23'] Exploring Operation: 69-23=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 69+23=92, Resulting Numbers: [92] 92,47 unequal: No Solution Exploring Operation: 69/23=3, Resulting Numbers: [3] 3,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 47:[81, 11], Operations: ['83-25=58', '69-58=11'] Exploring Operation: 81*11=891, Resulting Numbers: [891] 891,47 unequal: No Solution Exploring Operation: 81-11=70, Resulting Numbers: [70] 70,47 unequal: No Solution Exploring Operation: 81+11=92, Resulting Numbers: [92] 92,47 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: 47:[83, 81, 44], Operations: ['69-25=44'] Exploring Operation: 83-44=39, Resulting Numbers: [81, 39] Generated Node #0,0,0: 47:[81, 39] Operation: 83-44=39 Exploring Operation: 81-44=37, Resulting Numbers: [83, 37] Generated Node #0,0,1: 47:[83, 37] Operation: 81-44=37 Exploring Operation: 83-81=2, Resulting Numbers: [44, 2] Generated Node #0,0,2: 47:[44, 2] Operation: 83-81=2 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 47:[81, 39], Operations: ['69-25=44', '83-44=39'] Exploring Operation: 81-39=42, Resulting Numbers: [42] 42,47 unequal: No Solution Exploring Operation: 81*39=3159, Resulting Numbers: [3159] 3159,47 unequal: No Solution Exploring Operation: 81+39=120, Resulting Numbers: [120] 120,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 47:[83, 37], Operations: ['69-25=44', '81-44=37'] Exploring Operation: 83*37=3071, Resulting Numbers: [3071] 3071,47 unequal: No Solution Exploring Operation: 83-37=46, Resulting Numbers: [46] 46,47 unequal: No Solution Exploring Operation: 83+37=120, Resulting Numbers: [120] 120,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 47:[44, 2], Operations: ['69-25=44', '83-81=2'] Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,47 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,47 unequal: No Solution Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,47 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 61, 37, 14, 77 ]
35
[ "61+37=98", "77-14=63", "98-63=35" ]
Current State: 35:[61, 37, 14, 77], Operations: [] Exploring Operation: 61+37=98, Resulting Numbers: [14, 77, 98] Generated Node #2: [14, 77, 98] from Operation: 61+37=98 Current State: 35:[14, 77, 98], Operations: ['61+37=98'] Exploring Operation: 77-14=63, Resulting Numbers: [98, 63] Generated Node #3: [98, 63] from Operation: 77-14=63 Current State: 35:[98, 63], Operations: ['61+37=98', '77-14=63'] Exploring Operation: 98-63=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[61, 37, 14, 77], Operations: [] Exploring Operation: 77-14=63, Resulting Numbers: [61, 37, 63] Generated Node #0,0: 35:[61, 37, 63] Operation: 77-14=63 Exploring Operation: 77-37=40, Resulting Numbers: [61, 14, 40] Generated Node #0,1: 35:[61, 14, 40] Operation: 77-37=40 Exploring Operation: 61-14=47, Resulting Numbers: [37, 77, 47] Generated Node #0,2: 35:[37, 77, 47] Operation: 61-14=47 Exploring Operation: 61-37=24, Resulting Numbers: [14, 77, 24] Generated Node #0,3: 35:[14, 77, 24] Operation: 61-37=24 Exploring Operation: 77-61=16, Resulting Numbers: [37, 14, 16] Generated Node #0,4: 35:[37, 14, 16] Operation: 77-61=16 Moving to Node #0,4 Current State: 35:[37, 14, 16], Operations: ['77-61=16'] Exploring Operation: 16-14=2, Resulting Numbers: [37, 2] Generated Node #0,4,0: 35:[37, 2] Operation: 16-14=2 Exploring Operation: 14+16=30, Resulting Numbers: [37, 30] Generated Node #0,4,1: 35:[37, 30] Operation: 14+16=30 Exploring Operation: 37-14=23, Resulting Numbers: [16, 23] Generated Node #0,4,2: 35:[16, 23] Operation: 37-14=23 Exploring Operation: 37+14=51, Resulting Numbers: [16, 51] Generated Node #0,4,3: 35:[16, 51] Operation: 37+14=51 Exploring Operation: 37-16=21, Resulting Numbers: [14, 21] Generated Node #0,4,4: 35:[14, 21] Operation: 37-16=21 Moving to Node #0,1 Current State: 35:[61, 14, 40], Operations: ['77-37=40'] Exploring Operation: 40-14=26, Resulting Numbers: [61, 26] Generated Node #0,1,0: 35:[61, 26] Operation: 40-14=26 Exploring Operation: 61-40=21, Resulting Numbers: [14, 21] Generated Node #0,1,1: 35:[14, 21] Operation: 61-40=21 Exploring Operation: 61-14=47, Resulting Numbers: [40, 47] Generated Node #0,1,2: 35:[40, 47] Operation: 61-14=47 Exploring Operation: 61+14=75, Resulting Numbers: [40, 75] Generated Node #0,1,3: 35:[40, 75] Operation: 61+14=75 Exploring Operation: 14+40=54, Resulting Numbers: [61, 54] Generated Node #0,1,4: 35:[61, 54] Operation: 14+40=54 Moving to Node #0,0 Current State: 35:[61, 37, 63], Operations: ['77-14=63'] Exploring Operation: 61+63=124, Resulting Numbers: [37, 124] Generated Node #0,0,0: 35:[37, 124] Operation: 61+63=124 Exploring Operation: 61-37=24, Resulting Numbers: [63, 24] Generated Node #0,0,1: 35:[63, 24] Operation: 61-37=24 Exploring Operation: 63-61=2, Resulting Numbers: [37, 2] Generated Node #0,0,2: 35:[37, 2] Operation: 63-61=2 Exploring Operation: 63-37=26, Resulting Numbers: [61, 26] Generated Node #0,0,3: 35:[61, 26] Operation: 63-37=26 Exploring Operation: 61+37=98, Resulting Numbers: [63, 98] Generated Node #0,0,4: 35:[63, 98] Operation: 61+37=98 Moving to Node #0,2 Current State: 35:[37, 77, 47], Operations: ['61-14=47'] Exploring Operation: 77-37=40, Resulting Numbers: [47, 40] Generated Node #0,2,0: 35:[47, 40] Operation: 77-37=40 Exploring Operation: 47-37=10, Resulting Numbers: [77, 10] Generated Node #0,2,1: 35:[77, 10] Operation: 47-37=10 Exploring Operation: 77-47=30, Resulting Numbers: [37, 30] Generated Node #0,2,2: 35:[37, 30] Operation: 77-47=30 Exploring Operation: 37+47=84, Resulting Numbers: [77, 84] Generated Node #0,2,3: 35:[77, 84] Operation: 37+47=84 Exploring Operation: 37+77=114, Resulting Numbers: [47, 114] Generated Node #0,2,4: 35:[47, 114] Operation: 37+77=114 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 35:[37, 30], Operations: ['61-14=47', '77-47=30'] Exploring Operation: 37+30=67, Resulting Numbers: [67] 67,35 unequal: No Solution Exploring Operation: 37*30=1110, Resulting Numbers: [1110] 1110,35 unequal: No Solution Exploring Operation: 37-30=7, Resulting Numbers: [7] 7,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 35:[47, 40], Operations: ['61-14=47', '77-37=40'] Exploring Operation: 47-40=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 47*40=1880, Resulting Numbers: [1880] 1880,35 unequal: No Solution Exploring Operation: 47+40=87, Resulting Numbers: [87] 87,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 35:[77, 10], Operations: ['61-14=47', '47-37=10'] Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,35 unequal: No Solution Exploring Operation: 77+10=87, Resulting Numbers: [87] 87,35 unequal: No Solution Exploring Operation: 77*10=770, Resulting Numbers: [770] 770,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 35:[77, 84], Operations: ['61-14=47', '37+47=84'] Exploring Operation: 77+84=161, Resulting Numbers: [161] 161,35 unequal: No Solution Exploring Operation: 84-77=7, Resulting Numbers: [7] 7,35 unequal: No Solution Exploring Operation: 77*84=6468, Resulting Numbers: [6468] 6468,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 35:[47, 114], Operations: ['61-14=47', '37+77=114'] Exploring Operation: 114-47=67, Resulting Numbers: [67] 67,35 unequal: No Solution Exploring Operation: 47*114=5358, Resulting Numbers: [5358] 5358,35 unequal: No Solution Exploring Operation: 47+114=161, Resulting Numbers: [161] 161,35 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: 35:[14, 77, 24], Operations: ['61-37=24'] Exploring Operation: 24-14=10, Resulting Numbers: [77, 10] Generated Node #0,3,0: 35:[77, 10] Operation: 24-14=10 Exploring Operation: 14+24=38, Resulting Numbers: [77, 38] Generated Node #0,3,1: 35:[77, 38] Operation: 14+24=38 Exploring Operation: 77-14=63, Resulting Numbers: [24, 63] Generated Node #0,3,2: 35:[24, 63] Operation: 77-14=63 Exploring Operation: 77-24=53, Resulting Numbers: [14, 53] Generated Node #0,3,3: 35:[14, 53] Operation: 77-24=53 Exploring Operation: 14+77=91, Resulting Numbers: [24, 91] Generated Node #0,3,4: 35:[24, 91] Operation: 14+77=91 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 35:[14, 53], Operations: ['61-37=24', '77-24=53'] Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,35 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 35:[24, 63], Operations: ['61-37=24', '77-14=63'] Exploring Operation: 24*63=1512, Resulting Numbers: [1512] 1512,35 unequal: No Solution Exploring Operation: 24+63=87, Resulting Numbers: [87] 87,35 unequal: No Solution Exploring Operation: 63-24=39, Resulting Numbers: [39] 39,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 35:[77, 10], Operations: ['61-37=24', '24-14=10'] Exploring Operation: 77+10=87, Resulting Numbers: [87] 87,35 unequal: No Solution Exploring Operation: 77-10=67, Resulting Numbers: [67] 67,35 unequal: No Solution Exploring Operation: 77*10=770, Resulting Numbers: [770] 770,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 35:[77, 38], Operations: ['61-37=24', '14+24=38'] Exploring Operation: 77-38=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 77*38=2926, Resulting Numbers: [2926] 2926,35 unequal: No Solution Exploring Operation: 77+38=115, Resulting Numbers: [115] 115,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 35:[24, 91], Operations: ['61-37=24', '14+77=91'] Exploring Operation: 24+91=115, Resulting Numbers: [115] 115,35 unequal: No Solution Exploring Operation: 91-24=67, Resulting Numbers: [67] 67,35 unequal: No Solution Exploring Operation: 24*91=2184, Resulting Numbers: [2184] 2184,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,4,0 Current State: 35:[37, 2], Operations: ['77-61=16', '16-14=2'] Exploring Operation: 37+2=39, Resulting Numbers: [39] 39,35 unequal: No Solution Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[61, 37, 14, 77], Operations: [] Exploring Operation: 77-61=16, Resulting Numbers: [37, 14, 16] Generated Node #0,4: 35:[37, 14, 16] Operation: 77-61=16 Moving to Node #0,4 Current State: 35:[37, 14, 16], Operations: ['77-61=16'] Exploring Operation: 16-14=2, Resulting Numbers: [37, 2] Generated Node #0,4,0: 35:[37, 2] Operation: 16-14=2 Moving to Node #0,4,0 Current State: 35:[37, 2], Operations: ['77-61=16', '16-14=2'] Exploring Operation: 37-2=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
0.942708
hs_5
sum_heuristic
[ 28, 39, 12, 7 ]
84
[ "28*39=1092", "1092/12=91", "91-7=84" ]
Current State: 84:[28, 39, 12, 7], Operations: [] Exploring Operation: 28*39=1092, Resulting Numbers: [12, 7, 1092] Generated Node #2: [12, 7, 1092] from Operation: 28*39=1092 Current State: 84:[12, 7, 1092], Operations: ['28*39=1092'] Exploring Operation: 1092/12=91, Resulting Numbers: [7, 91] Generated Node #3: [7, 91] from Operation: 1092/12=91 Current State: 84:[7, 91], Operations: ['28*39=1092', '1092/12=91'] Exploring Operation: 91-7=84, Resulting Numbers: [84] 84,84 equal: Goal Reached
4
Current State: 84:[28, 39, 12, 7], Operations: [] Exploring Operation: 28-7=21, Resulting Numbers: [39, 12, 21] Generated Node #0,0: 84:[39, 12, 21] Operation: 28-7=21 Exploring Operation: 28/7=4, Resulting Numbers: [39, 12, 4] Generated Node #0,1: 84:[39, 12, 4] Operation: 28/7=4 Exploring Operation: 39-12=27, Resulting Numbers: [28, 7, 27] Generated Node #0,2: 84:[28, 7, 27] Operation: 39-12=27 Exploring Operation: 39-28=11, Resulting Numbers: [12, 7, 11] Generated Node #0,3: 84:[12, 7, 11] Operation: 39-28=11 Start Sub Search at level 1: Moving to Node #0,2 Current State: 84:[28, 7, 27], Operations: ['39-12=27'] Exploring Operation: 28/7=4, Resulting Numbers: [27, 4] Generated Node #0,2,0: 84:[27, 4] Operation: 28/7=4 Exploring Operation: 28-27=1, Resulting Numbers: [7, 1] Generated Node #0,2,1: 84:[7, 1] Operation: 28-27=1 Exploring Operation: 27-7=20, Resulting Numbers: [28, 20] Generated Node #0,2,2: 84:[28, 20] Operation: 27-7=20 Exploring Operation: 28-7=21, Resulting Numbers: [27, 21] Generated Node #0,2,3: 84:[27, 21] Operation: 28-7=21 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 84:[27, 4], Operations: ['39-12=27', '28/7=4'] Exploring Operation: 27*4=108, Resulting Numbers: [108] 108,84 unequal: No Solution Exploring Operation: 27+4=31, Resulting Numbers: [31] 31,84 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,84 unequal: No Solution No 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: 84:[7, 1], Operations: ['39-12=27', '28-27=1'] Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,84 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,84 unequal: No Solution No 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: 84:[28, 20], Operations: ['39-12=27', '27-7=20'] Exploring Operation: 28*20=560, Resulting Numbers: [560] 560,84 unequal: No Solution Exploring Operation: 28-20=8, Resulting Numbers: [8] 8,84 unequal: No Solution Exploring Operation: 28+20=48, Resulting Numbers: [48] 48,84 unequal: No Solution No 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: 84:[27, 21], Operations: ['39-12=27', '28-7=21'] Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 27+21=48, Resulting Numbers: [48] 48,84 unequal: No Solution Exploring Operation: 27*21=567, Resulting Numbers: [567] 567,84 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: 84:[12, 7, 11], Operations: ['39-28=11'] Exploring Operation: 12*7=84, Resulting Numbers: [11, 84] Generated Node #0,3,0: 84:[11, 84] Operation: 12*7=84 Exploring Operation: 12-11=1, Resulting Numbers: [7, 1] Generated Node #0,3,1: 84:[7, 1] Operation: 12-11=1 Exploring Operation: 12-7=5, Resulting Numbers: [11, 5] Generated Node #0,3,2: 84:[11, 5] Operation: 12-7=5 Exploring Operation: 11-7=4, Resulting Numbers: [12, 4] Generated Node #0,3,3: 84:[12, 4] Operation: 11-7=4 Moving to Node #0,3,3 Current State: 84:[12, 4], Operations: ['39-28=11', '11-7=4'] Exploring Operation: 12+4=16, Resulting Numbers: [16] 16,84 unequal: No Solution Exploring Operation: 12*4=48, Resulting Numbers: [48] 48,84 unequal: No Solution Exploring Operation: 12/4=3, Resulting Numbers: [3] 3,84 unequal: No Solution Exploring Operation: 12-4=8, Resulting Numbers: [8] 8,84 unequal: No Solution Moving to Node #0,3,1 Current State: 84:[7, 1], Operations: ['39-28=11', '12-11=1'] Exploring Operation: 7/1=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 7*1=7, Resulting Numbers: [7] 7,84 unequal: No Solution Exploring Operation: 7-1=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 7+1=8, Resulting Numbers: [8] 8,84 unequal: No Solution Moving to Node #0,3,0 Current State: 84:[11, 84], Operations: ['39-28=11', '12*7=84'] Exploring Operation: 11*84=924, Resulting Numbers: [924] 924,84 unequal: No Solution Exploring Operation: 84-11=73, Resulting Numbers: [73] 73,84 unequal: No Solution Exploring Operation: 11+84=95, Resulting Numbers: [95] 95,84 unequal: No Solution Moving to Node #0,3,2 Current State: 84:[11, 5], Operations: ['39-28=11', '12-7=5'] Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 11+5=16, Resulting Numbers: [16] 16,84 unequal: No Solution Exploring Operation: 11*5=55, Resulting Numbers: [55] 55,84 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 84:[39, 12, 21], Operations: ['28-7=21'] Exploring Operation: 12+21=33, Resulting Numbers: [39, 33] Generated Node #0,0,0: 84:[39, 33] Operation: 12+21=33 Exploring Operation: 39-12=27, Resulting Numbers: [21, 27] Generated Node #0,0,1: 84:[21, 27] Operation: 39-12=27 Exploring Operation: 21-12=9, Resulting Numbers: [39, 9] Generated Node #0,0,2: 84:[39, 9] Operation: 21-12=9 Exploring Operation: 39-21=18, Resulting Numbers: [12, 18] Generated Node #0,0,3: 84:[12, 18] Operation: 39-21=18 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 84:[21, 27], Operations: ['28-7=21', '39-12=27'] Exploring Operation: 27-21=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 21+27=48, Resulting Numbers: [48] 48,84 unequal: No Solution Exploring Operation: 21*27=567, Resulting Numbers: [567] 567,84 unequal: No Solution No 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: 84:[12, 18], Operations: ['28-7=21', '39-21=18'] Exploring Operation: 18-12=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 12*18=216, Resulting Numbers: [216] 216,84 unequal: No Solution Exploring Operation: 12+18=30, Resulting Numbers: [30] 30,84 unequal: No Solution No 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: 84:[39, 9], Operations: ['28-7=21', '21-12=9'] Exploring Operation: 39-9=30, Resulting Numbers: [30] 30,84 unequal: No Solution Exploring Operation: 39+9=48, Resulting Numbers: [48] 48,84 unequal: No Solution Exploring Operation: 39*9=351, Resulting Numbers: [351] 351,84 unequal: No Solution No 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: 84:[39, 33], Operations: ['28-7=21', '12+21=33'] Exploring Operation: 39+33=72, Resulting Numbers: [72] 72,84 unequal: No Solution Exploring Operation: 39-33=6, Resulting Numbers: [6] 6,84 unequal: No Solution Exploring Operation: 39*33=1287, Resulting Numbers: [1287] 1287,84 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: 84:[39, 12, 4], Operations: ['28/7=4'] Exploring Operation: 39+4=43, Resulting Numbers: [12, 43] Generated Node #0,1,0: 84:[12, 43] Operation: 39+4=43 Exploring Operation: 12-4=8, Resulting Numbers: [39, 8] Generated Node #0,1,1: 84:[39, 8] Operation: 12-4=8 Exploring Operation: 39-12=27, Resulting Numbers: [4, 27] Generated Node #0,1,2: 84:[4, 27] Operation: 39-12=27 Exploring Operation: 12/4=3, Resulting Numbers: [39, 3] Generated Node #0,1,3: 84:[39, 3] Operation: 12/4=3 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 84:[12, 43], Operations: ['28/7=4', '39+4=43'] Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,84 unequal: No Solution Exploring Operation: 12*43=516, Resulting Numbers: [516] 516,84 unequal: No Solution Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,84 unequal: No Solution No 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: 84:[4, 27], Operations: ['28/7=4', '39-12=27'] Exploring Operation: 4+27=31, Resulting Numbers: [31] 31,84 unequal: No Solution Exploring Operation: 4*27=108, Resulting Numbers: [108] 108,84 unequal: No Solution Exploring Operation: 27-4=23, Resulting Numbers: [23] 23,84 unequal: No Solution No 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: 84:[39, 3], Operations: ['28/7=4', '12/4=3'] Exploring Operation: 39-3=36, Resulting Numbers: [36] 36,84 unequal: No Solution Exploring Operation: 39+3=42, Resulting Numbers: [42] 42,84 unequal: No Solution Exploring Operation: 39*3=117, Resulting Numbers: [117] 117,84 unequal: No Solution Exploring Operation: 39/3=13, Resulting Numbers: [13] 13,84 unequal: No Solution No 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: 84:[39, 8], Operations: ['28/7=4', '12-4=8'] Exploring Operation: 39+8=47, Resulting Numbers: [47] 47,84 unequal: No Solution Exploring Operation: 39*8=312, Resulting Numbers: [312] 312,84 unequal: No Solution Exploring Operation: 39-8=31, Resulting Numbers: [31] 31,84 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 16, 77, 50, 46 ]
13
[ "50-46=4", "16*4=64", "77-64=13" ]
Current State: 13:[16, 77, 50, 46], Operations: [] Exploring Operation: 50-46=4, Resulting Numbers: [16, 77, 4] Generated Node #2: [16, 77, 4] from Operation: 50-46=4 Current State: 13:[16, 77, 4], Operations: ['50-46=4'] Exploring Operation: 16*4=64, Resulting Numbers: [77, 64] Generated Node #3: [77, 64] from Operation: 16*4=64 Current State: 13:[77, 64], Operations: ['50-46=4', '16*4=64'] Exploring Operation: 77-64=13, Resulting Numbers: [13] 13,13 equal: Goal Reached
4
Current State: 13:[16, 77, 50, 46], Operations: [] Exploring Operation: 77-50=27, Resulting Numbers: [16, 46, 27] Generated Node #0,0: 13:[16, 46, 27] Operation: 77-50=27 Moving to Node #0,0 Current State: 13:[16, 46, 27], Operations: ['77-50=27'] Exploring Operation: 46-27=19, Resulting Numbers: [16, 19] Generated Node #0,0,0: 13:[16, 19] Operation: 46-27=19 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 13:[16, 19], Operations: ['77-50=27', '46-27=19'] Exploring Operation: 19-16=3, Resulting Numbers: [3] 3,13 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 25, 83, 30, 67 ]
30
[ "30-25=5", "83+67=150", "150/5=30" ]
Current State: 30:[25, 83, 30, 67], Operations: [] Exploring Operation: 30-25=5, Resulting Numbers: [83, 67, 5] Generated Node #2: [83, 67, 5] from Operation: 30-25=5 Current State: 30:[83, 67, 5], Operations: ['30-25=5'] Exploring Operation: 83+67=150, Resulting Numbers: [5, 150] Generated Node #3: [5, 150] from Operation: 83+67=150 Current State: 30:[5, 150], Operations: ['30-25=5', '83+67=150'] Exploring Operation: 150/5=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[25, 83, 30, 67], Operations: [] Exploring Operation: 83-67=16, Resulting Numbers: [25, 30, 16] Generated Node #0,0: 30:[25, 30, 16] Operation: 83-67=16 Exploring Operation: 83-25=58, Resulting Numbers: [30, 67, 58] Generated Node #0,1: 30:[30, 67, 58] Operation: 83-25=58 Exploring Operation: 67-25=42, Resulting Numbers: [83, 30, 42] Generated Node #0,2: 30:[83, 30, 42] Operation: 67-25=42 Moving to Node #0,0 Current State: 30:[25, 30, 16], Operations: ['83-67=16'] Exploring Operation: 30-25=5, Resulting Numbers: [16, 5] Generated Node #0,0,0: 30:[16, 5] Operation: 30-25=5 Exploring Operation: 30-16=14, Resulting Numbers: [25, 14] Generated Node #0,0,1: 30:[25, 14] Operation: 30-16=14 Exploring Operation: 25-16=9, Resulting Numbers: [30, 9] Generated Node #0,0,2: 30:[30, 9] Operation: 25-16=9 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 30:[16, 5], Operations: ['83-67=16', '30-25=5'] Exploring Operation: 16+5=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 16-5=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 16*5=80, Resulting Numbers: [80] 80,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 30:[30, 9], Operations: ['83-67=16', '25-16=9'] Exploring Operation: 30*9=270, Resulting Numbers: [270] 270,30 unequal: No Solution Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 30:[25, 14], Operations: ['83-67=16', '30-16=14'] Exploring Operation: 25+14=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 25-14=11, Resulting Numbers: [11] 11,30 unequal: No Solution Exploring Operation: 25*14=350, Resulting Numbers: [350] 350,30 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: 30:[30, 67, 58], Operations: ['83-25=58'] Exploring Operation: 67-58=9, Resulting Numbers: [30, 9] Generated Node #0,1,0: 30:[30, 9] Operation: 67-58=9 Exploring Operation: 67-30=37, Resulting Numbers: [58, 37] Generated Node #0,1,1: 30:[58, 37] Operation: 67-30=37 Exploring Operation: 58-30=28, Resulting Numbers: [67, 28] Generated Node #0,1,2: 30:[67, 28] Operation: 58-30=28 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 30:[30, 9], Operations: ['83-25=58', '67-58=9'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 30*9=270, Resulting Numbers: [270] 270,30 unequal: No Solution Exploring Operation: 30+9=39, Resulting Numbers: [39] 39,30 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 #0,1,1 Current State: 30:[58, 37], Operations: ['83-25=58', '67-30=37'] Exploring Operation: 58+37=95, Resulting Numbers: [95] 95,30 unequal: No Solution Exploring Operation: 58-37=21, Resulting Numbers: [21] 21,30 unequal: No Solution Exploring Operation: 58*37=2146, Resulting Numbers: [2146] 2146,30 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:[67, 28], Operations: ['83-25=58', '58-30=28'] Exploring Operation: 67+28=95, Resulting Numbers: [95] 95,30 unequal: No Solution Exploring Operation: 67-28=39, Resulting Numbers: [39] 39,30 unequal: No Solution Exploring Operation: 67*28=1876, Resulting Numbers: [1876] 1876,30 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: 30:[83, 30, 42], Operations: ['67-25=42'] Exploring Operation: 83-30=53, Resulting Numbers: [42, 53] Generated Node #0,2,0: 30:[42, 53] Operation: 83-30=53 Exploring Operation: 42-30=12, Resulting Numbers: [83, 12] Generated Node #0,2,1: 30:[83, 12] Operation: 42-30=12 Exploring Operation: 83-42=41, Resulting Numbers: [30, 41] Generated Node #0,2,2: 30:[30, 41] Operation: 83-42=41 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 30:[30, 41], Operations: ['67-25=42', '83-42=41'] Exploring Operation: 30*41=1230, Resulting Numbers: [1230] 1230,30 unequal: No Solution Exploring Operation: 30+41=71, Resulting Numbers: [71] 71,30 unequal: No Solution Exploring Operation: 41-30=11, Resulting Numbers: [11] 11,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 30:[42, 53], Operations: ['67-25=42', '83-30=53'] Exploring Operation: 42*53=2226, Resulting Numbers: [2226] 2226,30 unequal: No Solution Exploring Operation: 42+53=95, Resulting Numbers: [95] 95,30 unequal: No Solution Exploring Operation: 53-42=11, Resulting Numbers: [11] 11,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 30:[83, 12], Operations: ['67-25=42', '42-30=12'] Exploring Operation: 83-12=71, Resulting Numbers: [71] 71,30 unequal: No Solution Exploring Operation: 83+12=95, Resulting Numbers: [95] 95,30 unequal: No Solution Exploring Operation: 83*12=996, Resulting Numbers: [996] 996,30 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 78, 47, 43, 6 ]
93
[ "47+43=90", "90/6=15", "78+15=93" ]
Current State: 93:[78, 47, 43, 6], Operations: [] Exploring Operation: 47+43=90, Resulting Numbers: [78, 6, 90] Generated Node #2: [78, 6, 90] from Operation: 47+43=90 Current State: 93:[78, 6, 90], Operations: ['47+43=90'] Exploring Operation: 90/6=15, Resulting Numbers: [78, 15] Generated Node #3: [78, 15] from Operation: 90/6=15 Current State: 93:[78, 15], Operations: ['47+43=90', '90/6=15'] Exploring Operation: 78+15=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[78, 47, 43, 6], Operations: [] Exploring Operation: 78-47=31, Resulting Numbers: [43, 6, 31] Generated Node #0,0: 93:[43, 6, 31] Operation: 78-47=31 Exploring Operation: 47-43=4, Resulting Numbers: [78, 6, 4] Generated Node #0,1: 93:[78, 6, 4] Operation: 47-43=4 Exploring Operation: 47+43=90, Resulting Numbers: [78, 6, 90] Generated Node #0,2: 93:[78, 6, 90] Operation: 47+43=90 Moving to Node #0,0 Current State: 93:[43, 6, 31], Operations: ['78-47=31'] Exploring Operation: 43-6=37, Resulting Numbers: [31, 37] Generated Node #0,0,0: 93:[31, 37] Operation: 43-6=37 Exploring Operation: 43-31=12, Resulting Numbers: [6, 12] Generated Node #0,0,1: 93:[6, 12] Operation: 43-31=12 Exploring Operation: 43+6=49, Resulting Numbers: [31, 49] Generated Node #0,0,2: 93:[31, 49] Operation: 43+6=49 Moving to Node #0,1 Current State: 93:[78, 6, 4], Operations: ['47-43=4'] Exploring Operation: 78+4=82, Resulting Numbers: [6, 82] Generated Node #0,1,0: 93:[6, 82] Operation: 78+4=82 Exploring Operation: 78/6=13, Resulting Numbers: [4, 13] Generated Node #0,1,1: 93:[4, 13] Operation: 78/6=13 Exploring Operation: 78+6=84, Resulting Numbers: [4, 84] Generated Node #0,1,2: 93:[4, 84] Operation: 78+6=84 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 93:[4, 84], Operations: ['47-43=4', '78+6=84'] Exploring Operation: 84/4=21, Resulting Numbers: [21] 21,93 unequal: No Solution Exploring Operation: 84-4=80, Resulting Numbers: [80] 80,93 unequal: No Solution Exploring Operation: 4+84=88, Resulting Numbers: [88] 88,93 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 #0,1,1 Current State: 93:[4, 13], Operations: ['47-43=4', '78/6=13'] Exploring Operation: 13-4=9, Resulting Numbers: [9] 9,93 unequal: No Solution Exploring Operation: 4+13=17, Resulting Numbers: [17] 17,93 unequal: No Solution Exploring Operation: 4*13=52, Resulting Numbers: [52] 52,93 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 #0,1,0 Current State: 93:[6, 82], Operations: ['47-43=4', '78+4=82'] Exploring Operation: 82-6=76, Resulting Numbers: [76] 76,93 unequal: No Solution Exploring Operation: 6*82=492, Resulting Numbers: [492] 492,93 unequal: No Solution Exploring Operation: 6+82=88, Resulting Numbers: [88] 88,93 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: 93:[78, 6, 90], Operations: ['47+43=90'] Exploring Operation: 78/6=13, Resulting Numbers: [90, 13] Generated Node #0,2,0: 93:[90, 13] Operation: 78/6=13 Exploring Operation: 78+6=84, Resulting Numbers: [90, 84] Generated Node #0,2,1: 93:[90, 84] Operation: 78+6=84 Exploring Operation: 90-78=12, Resulting Numbers: [6, 12] Generated Node #0,2,2: 93:[6, 12] Operation: 90-78=12 Moving to Node #0,0,0 Current State: 93:[31, 37], Operations: ['78-47=31', '43-6=37'] Exploring Operation: 37-31=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 31+37=68, Resulting Numbers: [68] 68,93 unequal: No Solution Exploring Operation: 31*37=1147, Resulting Numbers: [1147] 1147,93 unequal: No Solution Moving to Node #0,0,1 Current State: 93:[6, 12], Operations: ['78-47=31', '43-31=12'] Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,93 unequal: No Solution Moving to Node #0,2,2 Current State: 93:[6, 12], Operations: ['47+43=90', '90-78=12'] Exploring Operation: 12/6=2, Resulting Numbers: [2] 2,93 unequal: No Solution Exploring Operation: 6+12=18, Resulting Numbers: [18] 18,93 unequal: No Solution Exploring Operation: 12-6=6, Resulting Numbers: [6] 6,93 unequal: No Solution Moving to Node #0,2,1 Current State: 93:[90, 84], Operations: ['47+43=90', '78+6=84'] Exploring Operation: 90*84=7560, Resulting Numbers: [7560] 7560,93 unequal: No Solution Exploring Operation: 90-84=6, Resulting Numbers: [6] 6,93 unequal: No Solution Exploring Operation: 90+84=174, Resulting Numbers: [174] 174,93 unequal: No Solution Moving to Node #0,2,0 Current State: 93:[90, 13], Operations: ['47+43=90', '78/6=13'] Exploring Operation: 90-13=77, Resulting Numbers: [77] 77,93 unequal: No Solution Exploring Operation: 90*13=1170, Resulting Numbers: [1170] 1170,93 unequal: No Solution Exploring Operation: 90+13=103, Resulting Numbers: [103] 103,93 unequal: No Solution Moving to Node #0,0,2 Current State: 93:[31, 49], Operations: ['78-47=31', '43+6=49'] Exploring Operation: 31*49=1519, Resulting Numbers: [1519] 1519,93 unequal: No Solution Exploring Operation: 31+49=80, Resulting Numbers: [80] 80,93 unequal: No Solution Exploring Operation: 49-31=18, Resulting Numbers: [18] 18,93 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 21, 26, 22, 2 ]
82
[ "26-22=4", "21*4=84", "84-2=82" ]
Current State: 82:[21, 26, 22, 2], Operations: [] Exploring Operation: 26-22=4, Resulting Numbers: [21, 2, 4] Generated Node #2: [21, 2, 4] from Operation: 26-22=4 Current State: 82:[21, 2, 4], Operations: ['26-22=4'] Exploring Operation: 21*4=84, Resulting Numbers: [2, 84] Generated Node #3: [2, 84] from Operation: 21*4=84 Current State: 82:[2, 84], Operations: ['26-22=4', '21*4=84'] Exploring Operation: 84-2=82, Resulting Numbers: [82] 82,82 equal: Goal Reached
4
Current State: 82:[21, 26, 22, 2], Operations: [] Exploring Operation: 22-21=1, Resulting Numbers: [26, 2, 1] Generated Node #0,0: 82:[26, 2, 1] Operation: 22-21=1 Moving to Node #0,0 Current State: 82:[26, 2, 1], Operations: ['22-21=1'] Exploring Operation: 26*2=52, Resulting Numbers: [1, 52] Generated Node #0,0,0: 82:[1, 52] Operation: 26*2=52 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 82:[1, 52], Operations: ['22-21=1', '26*2=52'] Exploring Operation: 52-1=51, Resulting Numbers: [51] 51,82 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
mult_heuristic
[ 65, 31, 85, 54 ]
66
[ "85-31=54", "54/54=1", "65+1=66" ]
Current State: 66:[65, 31, 85, 54], Operations: [] Exploring Operation: 85-31=54, Resulting Numbers: [65, 54, 54] Generated Node #2: [65, 54, 54] from Operation: 85-31=54 Current State: 66:[65, 54, 54], Operations: ['85-31=54'] Exploring Operation: 54/54=1, Resulting Numbers: [65, 1] Generated Node #3: [65, 1] from Operation: 54/54=1 Current State: 66:[65, 1], Operations: ['85-31=54', '54/54=1'] Exploring Operation: 65+1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached
4
Current State: 66:[65, 31, 85, 54], Operations: [] Exploring Operation: 85-54=31, Resulting Numbers: [65, 31, 31] Generated Node #0,0: 66:[65, 31, 31] Operation: 85-54=31 Exploring Operation: 85-65=20, Resulting Numbers: [31, 54, 20] Generated Node #0,1: 66:[31, 54, 20] Operation: 85-65=20 Start Sub Search at level 1: Moving to Node #0,0 Current State: 66:[65, 31, 31], Operations: ['85-54=31'] Exploring Operation: 65-31=34, Resulting Numbers: [31, 34] Generated Node #0,0,0: 66:[31, 34] Operation: 65-31=34 Exploring Operation: 31/31=1, Resulting Numbers: [65, 1] Generated Node #0,0,1: 66:[65, 1] Operation: 31/31=1 Moving to Node #0,0,1 Current State: 66:[65, 1], Operations: ['85-54=31', '31/31=1'] Exploring Operation: 65*1=65, Resulting Numbers: [65] 65,66 unequal: No Solution Exploring Operation: 65+1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Moving to Node #0 Current State: 66:[65, 31, 85, 54], Operations: [] Exploring Operation: 85-54=31, Resulting Numbers: [65, 31, 31] Generated Node #0,0: 66:[65, 31, 31] Operation: 85-54=31 Moving to Node #0,0 Current State: 66:[65, 31, 31], Operations: ['85-54=31'] Exploring Operation: 31/31=1, Resulting Numbers: [65, 1] Generated Node #0,0,1: 66:[65, 1] Operation: 31/31=1 Moving to Node #0,0,1 Current State: 66:[65, 1], Operations: ['85-54=31', '31/31=1'] Exploring Operation: 65+1=66, Resulting Numbers: [66] 66,66 equal: Goal Reached Exit Sub Search at level 1
0.991319
hs_2
sum_heuristic
[ 33, 65, 16, 23 ]
14
[ "33+65=98", "23-16=7", "98/7=14" ]
Current State: 14:[33, 65, 16, 23], Operations: [] Exploring Operation: 33+65=98, Resulting Numbers: [16, 23, 98] Generated Node #2: [16, 23, 98] from Operation: 33+65=98 Current State: 14:[16, 23, 98], Operations: ['33+65=98'] Exploring Operation: 23-16=7, Resulting Numbers: [98, 7] Generated Node #3: [98, 7] from Operation: 23-16=7 Current State: 14:[98, 7], Operations: ['33+65=98', '23-16=7'] Exploring Operation: 98/7=14, Resulting Numbers: [14] 14,14 equal: Goal Reached
4
Current State: 14:[33, 65, 16, 23], Operations: [] Exploring Operation: 65-23=42, Resulting Numbers: [33, 16, 42] Generated Node #0,0: 14:[33, 16, 42] Operation: 65-23=42 Exploring Operation: 65-33=32, Resulting Numbers: [16, 23, 32] Generated Node #0,1: 14:[16, 23, 32] Operation: 65-33=32 Start Sub Search at level 1: Moving to Node #0,1 Current State: 14:[16, 23, 32], Operations: ['65-33=32'] Exploring Operation: 32-23=9, Resulting Numbers: [16, 9] Generated Node #0,1,0: 14:[16, 9] Operation: 32-23=9 Exploring Operation: 32/16=2, Resulting Numbers: [23, 2] Generated Node #0,1,1: 14:[23, 2] Operation: 32/16=2 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 14:[16, 9], Operations: ['65-33=32', '32-23=9'] Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,14 unequal: No Solution Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 14:[23, 2], Operations: ['65-33=32', '32/16=2'] Exploring Operation: 23+2=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 23-2=21, Resulting Numbers: [21] 21,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 14:[33, 16, 42], Operations: ['65-23=42'] Exploring Operation: 33-16=17, Resulting Numbers: [42, 17] Generated Node #0,0,0: 14:[42, 17] Operation: 33-16=17 Exploring Operation: 42-33=9, Resulting Numbers: [16, 9] Generated Node #0,0,1: 14:[16, 9] Operation: 42-33=9 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 14:[16, 9], Operations: ['65-23=42', '42-33=9'] Exploring Operation: 16+9=25, Resulting Numbers: [25] 25,14 unequal: No Solution Exploring Operation: 16-9=7, Resulting Numbers: [7] 7,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 14:[42, 17], Operations: ['65-23=42', '33-16=17'] Exploring Operation: 42+17=59, Resulting Numbers: [59] 59,14 unequal: No Solution Exploring Operation: 42-17=25, Resulting Numbers: [25] 25,14 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_2
mult_heuristic
[ 91, 2, 84, 14 ]
63
[ "91+14=105", "2*84=168", "168-105=63" ]
Current State: 63:[91, 2, 84, 14], Operations: [] Exploring Operation: 91+14=105, Resulting Numbers: [2, 84, 105] Generated Node #2: [2, 84, 105] from Operation: 91+14=105 Current State: 63:[2, 84, 105], Operations: ['91+14=105'] Exploring Operation: 2*84=168, Resulting Numbers: [105, 168] Generated Node #3: [105, 168] from Operation: 2*84=168 Current State: 63:[105, 168], Operations: ['91+14=105', '2*84=168'] Exploring Operation: 168-105=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[91, 2, 84, 14], Operations: [] Exploring Operation: 84/14=6, Resulting Numbers: [91, 2, 6] Generated Node #0,0: 63:[91, 2, 6] Operation: 84/14=6 Exploring Operation: 84-14=70, Resulting Numbers: [91, 2, 70] Generated Node #0,1: 63:[91, 2, 70] Operation: 84-14=70 Exploring Operation: 91-84=7, Resulting Numbers: [2, 14, 7] Generated Node #0,2: 63:[2, 14, 7] Operation: 91-84=7 Exploring Operation: 14/2=7, Resulting Numbers: [91, 84, 7] Generated Node #0,3: 63:[91, 84, 7] Operation: 14/2=7 Exploring Operation: 91-14=77, Resulting Numbers: [2, 84, 77] Generated Node #0,4: 63:[2, 84, 77] Operation: 91-14=77 Start Sub Search at level 1: Moving to Node #0,2 Current State: 63:[2, 14, 7], Operations: ['91-84=7'] Exploring Operation: 14-7=7, Resulting Numbers: [2, 7] Generated Node #0,2,0: 63:[2, 7] Operation: 14-7=7 Exploring Operation: 14-2=12, Resulting Numbers: [7, 12] Generated Node #0,2,1: 63:[7, 12] Operation: 14-2=12 Exploring Operation: 14/7=2, Resulting Numbers: [2, 2] Generated Node #0,2,2: 63:[2, 2] Operation: 14/7=2 Exploring Operation: 14/2=7, Resulting Numbers: [7, 7] Generated Node #0,2,3: 63:[7, 7] Operation: 14/2=7 Exploring Operation: 14+7=21, Resulting Numbers: [2, 21] Generated Node #0,2,4: 63:[2, 21] Operation: 14+7=21 Moving to Node #0,2,3 Current State: 63:[7, 7], Operations: ['91-84=7', '14/2=7'] Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,63 unequal: No Solution Exploring Operation: 7*7=49, Resulting Numbers: [49] 49,63 unequal: No Solution Moving to Node #0,2,4 Current State: 63:[2, 21], Operations: ['91-84=7', '14+7=21'] Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,63 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,63 unequal: No Solution Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,63 unequal: No Solution Moving to Node #0,2,0 Current State: 63:[2, 7], Operations: ['91-84=7', '14-7=7'] Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,63 unequal: No Solution Moving to Node #0,2,2 Current State: 63:[2, 2], Operations: ['91-84=7', '14/7=2'] Exploring Operation: 2/2=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 2*2=4, Resulting Numbers: [4] 4,63 unequal: No Solution Exploring Operation: 2-2=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 2+2=4, Resulting Numbers: [4] 4,63 unequal: No Solution Moving to Node #0,2,1 Current State: 63:[7, 12], Operations: ['91-84=7', '14-2=12'] Exploring Operation: 7*12=84, Resulting Numbers: [84] 84,63 unequal: No Solution Exploring Operation: 7+12=19, Resulting Numbers: [19] 19,63 unequal: No Solution Exploring Operation: 12-7=5, Resulting Numbers: [5] 5,63 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 Current State: 63:[91, 2, 6], Operations: ['84/14=6'] Exploring Operation: 6-2=4, Resulting Numbers: [91, 4] Generated Node #0,0,0: 63:[91, 4] Operation: 6-2=4 Exploring Operation: 91-6=85, Resulting Numbers: [2, 85] Generated Node #0,0,1: 63:[2, 85] Operation: 91-6=85 Exploring Operation: 2+6=8, Resulting Numbers: [91, 8] Generated Node #0,0,2: 63:[91, 8] Operation: 2+6=8 Exploring Operation: 6/2=3, Resulting Numbers: [91, 3] Generated Node #0,0,3: 63:[91, 3] Operation: 6/2=3 Exploring Operation: 91-2=89, Resulting Numbers: [6, 89] Generated Node #0,0,4: 63:[6, 89] Operation: 91-2=89 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 63:[2, 85], Operations: ['84/14=6', '91-6=85'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,63 unequal: No Solution Exploring Operation: 2+85=87, Resulting Numbers: [87] 87,63 unequal: No Solution Exploring Operation: 2*85=170, Resulting Numbers: [170] 170,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 63:[6, 89], Operations: ['84/14=6', '91-2=89'] Exploring Operation: 6*89=534, Resulting Numbers: [534] 534,63 unequal: No Solution Exploring Operation: 89-6=83, Resulting Numbers: [83] 83,63 unequal: No Solution Exploring Operation: 6+89=95, Resulting Numbers: [95] 95,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,3 Current State: 63:[91, 3], Operations: ['84/14=6', '6/2=3'] Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,63 unequal: No Solution Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,63 unequal: No Solution Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 63:[91, 4], Operations: ['84/14=6', '6-2=4'] Exploring Operation: 91+4=95, Resulting Numbers: [95] 95,63 unequal: No Solution Exploring Operation: 91*4=364, Resulting Numbers: [364] 364,63 unequal: No Solution Exploring Operation: 91-4=87, Resulting Numbers: [87] 87,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 63:[91, 8], Operations: ['84/14=6', '2+6=8'] Exploring Operation: 91*8=728, Resulting Numbers: [728] 728,63 unequal: No Solution Exploring Operation: 91+8=99, Resulting Numbers: [99] 99,63 unequal: No Solution Exploring Operation: 91-8=83, Resulting Numbers: [83] 83,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 63:[91, 2, 70], Operations: ['84-14=70'] Exploring Operation: 91-2=89, Resulting Numbers: [70, 89] Generated Node #0,1,0: 63:[70, 89] Operation: 91-2=89 Exploring Operation: 91-70=21, Resulting Numbers: [2, 21] Generated Node #0,1,1: 63:[2, 21] Operation: 91-70=21 Exploring Operation: 70-2=68, Resulting Numbers: [91, 68] Generated Node #0,1,2: 63:[91, 68] Operation: 70-2=68 Exploring Operation: 2+70=72, Resulting Numbers: [91, 72] Generated Node #0,1,3: 63:[91, 72] Operation: 2+70=72 Exploring Operation: 91+2=93, Resulting Numbers: [70, 93] Generated Node #0,1,4: 63:[70, 93] Operation: 91+2=93 Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 63:[2, 21], Operations: ['84-14=70', '91-70=21'] Exploring Operation: 2*21=42, Resulting Numbers: [42] 42,63 unequal: No Solution Exploring Operation: 2+21=23, Resulting Numbers: [23] 23,63 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 63:[70, 89], Operations: ['84-14=70', '91-2=89'] Exploring Operation: 89-70=19, Resulting Numbers: [19] 19,63 unequal: No Solution Exploring Operation: 70*89=6230, Resulting Numbers: [6230] 6230,63 unequal: No Solution Exploring Operation: 70+89=159, Resulting Numbers: [159] 159,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 63:[91, 68], Operations: ['84-14=70', '70-2=68'] Exploring Operation: 91*68=6188, Resulting Numbers: [6188] 6188,63 unequal: No Solution Exploring Operation: 91-68=23, Resulting Numbers: [23] 23,63 unequal: No Solution Exploring Operation: 91+68=159, Resulting Numbers: [159] 159,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 63:[91, 72], Operations: ['84-14=70', '2+70=72'] Exploring Operation: 91+72=163, Resulting Numbers: [163] 163,63 unequal: No Solution Exploring Operation: 91-72=19, Resulting Numbers: [19] 19,63 unequal: No Solution Exploring Operation: 91*72=6552, Resulting Numbers: [6552] 6552,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 63:[70, 93], Operations: ['84-14=70', '91+2=93'] Exploring Operation: 93-70=23, Resulting Numbers: [23] 23,63 unequal: No Solution Exploring Operation: 70+93=163, Resulting Numbers: [163] 163,63 unequal: No Solution Exploring Operation: 70*93=6510, Resulting Numbers: [6510] 6510,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 63:[2, 84, 77], Operations: ['91-14=77'] Exploring Operation: 77-2=75, Resulting Numbers: [84, 75] Generated Node #0,4,0: 63:[84, 75] Operation: 77-2=75 Exploring Operation: 84/2=42, Resulting Numbers: [77, 42] Generated Node #0,4,1: 63:[77, 42] Operation: 84/2=42 Exploring Operation: 84-2=82, Resulting Numbers: [77, 82] Generated Node #0,4,2: 63:[77, 82] Operation: 84-2=82 Exploring Operation: 2+84=86, Resulting Numbers: [77, 86] Generated Node #0,4,3: 63:[77, 86] Operation: 2+84=86 Exploring Operation: 84-77=7, Resulting Numbers: [2, 7] Generated Node #0,4,4: 63:[2, 7] Operation: 84-77=7 Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 63:[2, 7], Operations: ['91-14=77', '84-77=7'] Exploring Operation: 2+7=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 2*7=14, Resulting Numbers: [14] 14,63 unequal: No Solution Exploring Operation: 7-2=5, Resulting Numbers: [5] 5,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 63:[84, 75], Operations: ['91-14=77', '77-2=75'] Exploring Operation: 84*75=6300, Resulting Numbers: [6300] 6300,63 unequal: No Solution Exploring Operation: 84-75=9, Resulting Numbers: [9] 9,63 unequal: No Solution Exploring Operation: 84+75=159, Resulting Numbers: [159] 159,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 63:[77, 82], Operations: ['91-14=77', '84-2=82'] Exploring Operation: 77*82=6314, Resulting Numbers: [6314] 6314,63 unequal: No Solution Exploring Operation: 82-77=5, Resulting Numbers: [5] 5,63 unequal: No Solution Exploring Operation: 77+82=159, Resulting Numbers: [159] 159,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 63:[77, 42], Operations: ['91-14=77', '84/2=42'] Exploring Operation: 77-42=35, Resulting Numbers: [35] 35,63 unequal: No Solution Exploring Operation: 77+42=119, Resulting Numbers: [119] 119,63 unequal: No Solution Exploring Operation: 77*42=3234, Resulting Numbers: [3234] 3234,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 63:[77, 86], Operations: ['91-14=77', '2+84=86'] Exploring Operation: 77*86=6622, Resulting Numbers: [6622] 6622,63 unequal: No Solution Exploring Operation: 77+86=163, Resulting Numbers: [163] 163,63 unequal: No Solution Exploring Operation: 86-77=9, Resulting Numbers: [9] 9,63 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[91, 84, 7], Operations: ['14/2=7'] Exploring Operation: 91-7=84, Resulting Numbers: [84, 84] Generated Node #0,3,0: 63:[84, 84] Operation: 91-7=84 Exploring Operation: 84/7=12, Resulting Numbers: [91, 12] Generated Node #0,3,1: 63:[91, 12] Operation: 84/7=12 Exploring Operation: 84-7=77, Resulting Numbers: [91, 77] Generated Node #0,3,2: 63:[91, 77] Operation: 84-7=77 Exploring Operation: 91-84=7, Resulting Numbers: [7, 7] Generated Node #0,3,3: 63:[7, 7] Operation: 91-84=7 Exploring Operation: 91/7=13, Resulting Numbers: [84, 13] Generated Node #0,3,4: 63:[84, 13] Operation: 91/7=13 Moving to Node #0,3,3 Current State: 63:[7, 7], Operations: ['14/2=7', '91-84=7'] Exploring Operation: 7*7=49, Resulting Numbers: [49] 49,63 unequal: No Solution Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,63 unequal: No Solution Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,63 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,63 unequal: No Solution Moving to Node #0,3,4 Current State: 63:[84, 13], Operations: ['14/2=7', '91/7=13'] Exploring Operation: 84+13=97, Resulting Numbers: [97] 97,63 unequal: No Solution Exploring Operation: 84*13=1092, Resulting Numbers: [1092] 1092,63 unequal: No Solution Exploring Operation: 84-13=71, Resulting Numbers: [71] 71,63 unequal: No Solution Moving to Node #0,3,1 Current State: 63:[91, 12], Operations: ['14/2=7', '84/7=12'] Exploring Operation: 91+12=103, Resulting Numbers: [103] 103,63 unequal: No Solution Exploring Operation: 91*12=1092, Resulting Numbers: [1092] 1092,63 unequal: No Solution Exploring Operation: 91-12=79, Resulting Numbers: [79] 79,63 unequal: No Solution Moving to Node #0,3,0 Current State: 63:[84, 84], Operations: ['14/2=7', '91-7=84'] Exploring Operation: 84/84=1, Resulting Numbers: [1] 1,63 unequal: No Solution Exploring Operation: 84+84=168, Resulting Numbers: [168] 168,63 unequal: No Solution Exploring Operation: 84*84=7056, Resulting Numbers: [7056] 7056,63 unequal: No Solution Exploring Operation: 84-84=0, Resulting Numbers: [0] 0,63 unequal: No Solution Moving to Node #0,3,2 Current State: 63:[91, 77], Operations: ['14/2=7', '84-7=77'] Exploring Operation: 91-77=14, Resulting Numbers: [14] 14,63 unequal: No Solution Exploring Operation: 91*77=7007, Resulting Numbers: [7007] 7007,63 unequal: No Solution Exploring Operation: 91+77=168, Resulting Numbers: [168] 168,63 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
[ 85, 96, 77, 22 ]
10
[ "85-77=8", "96/8=12", "22-12=10" ]
Current State: 10:[85, 96, 77, 22], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [96, 22, 8] Generated Node #2: [96, 22, 8] from Operation: 85-77=8 Current State: 10:[96, 22, 8], Operations: ['85-77=8'] Exploring Operation: 96/8=12, Resulting Numbers: [22, 12] Generated Node #3: [22, 12] from Operation: 96/8=12 Current State: 10:[22, 12], Operations: ['85-77=8', '96/8=12'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[85, 96, 77, 22], Operations: [] Exploring Operation: 85-22=63, Resulting Numbers: [96, 77, 63] Generated Node #0,0: 10:[96, 77, 63] Operation: 85-22=63 Exploring Operation: 96-77=19, Resulting Numbers: [85, 22, 19] Generated Node #0,1: 10:[85, 22, 19] Operation: 96-77=19 Exploring Operation: 85-77=8, Resulting Numbers: [96, 22, 8] Generated Node #0,2: 10:[96, 22, 8] Operation: 85-77=8 Exploring Operation: 96-85=11, Resulting Numbers: [77, 22, 11] Generated Node #0,3: 10:[77, 22, 11] Operation: 96-85=11 Moving to Node #0,3 Current State: 10:[77, 22, 11], Operations: ['96-85=11'] Exploring Operation: 77-22=55, Resulting Numbers: [11, 55] Generated Node #0,3,0: 10:[11, 55] Operation: 77-22=55 Exploring Operation: 22/11=2, Resulting Numbers: [77, 2] Generated Node #0,3,1: 10:[77, 2] Operation: 22/11=2 Exploring Operation: 77/11=7, Resulting Numbers: [22, 7] Generated Node #0,3,2: 10:[22, 7] Operation: 77/11=7 Exploring Operation: 77-11=66, Resulting Numbers: [22, 66] Generated Node #0,3,3: 10:[22, 66] Operation: 77-11=66 Moving to Node #0,1 Current State: 10:[85, 22, 19], Operations: ['96-77=19'] Exploring Operation: 85-19=66, Resulting Numbers: [22, 66] Generated Node #0,1,0: 10:[22, 66] Operation: 85-19=66 Exploring Operation: 22-19=3, Resulting Numbers: [85, 3] Generated Node #0,1,1: 10:[85, 3] Operation: 22-19=3 Exploring Operation: 85-22=63, Resulting Numbers: [19, 63] Generated Node #0,1,2: 10:[19, 63] Operation: 85-22=63 Exploring Operation: 85+22=107, Resulting Numbers: [19, 107] Generated Node #0,1,3: 10:[19, 107] Operation: 85+22=107 Moving to Node #0,2 Current State: 10:[96, 22, 8], Operations: ['85-77=8'] Exploring Operation: 96/8=12, Resulting Numbers: [22, 12] Generated Node #0,2,0: 10:[22, 12] Operation: 96/8=12 Exploring Operation: 96-8=88, Resulting Numbers: [22, 88] Generated Node #0,2,1: 10:[22, 88] Operation: 96-8=88 Exploring Operation: 22-8=14, Resulting Numbers: [96, 14] Generated Node #0,2,2: 10:[96, 14] Operation: 22-8=14 Exploring Operation: 96-22=74, Resulting Numbers: [8, 74] Generated Node #0,2,3: 10:[8, 74] Operation: 96-22=74 Moving to Node #0,0 Current State: 10:[96, 77, 63], Operations: ['85-22=63'] Exploring Operation: 96+77=173, Resulting Numbers: [63, 173] Generated Node #0,0,0: 10:[63, 173] Operation: 96+77=173 Exploring Operation: 77-63=14, Resulting Numbers: [96, 14] Generated Node #0,0,1: 10:[96, 14] Operation: 77-63=14 Exploring Operation: 96-63=33, Resulting Numbers: [77, 33] Generated Node #0,0,2: 10:[77, 33] Operation: 96-63=33 Exploring Operation: 96-77=19, Resulting Numbers: [63, 19] Generated Node #0,0,3: 10:[63, 19] Operation: 96-77=19 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 10:[63, 19], Operations: ['85-22=63', '96-77=19'] Exploring Operation: 63+19=82, Resulting Numbers: [82] 82,10 unequal: No Solution Exploring Operation: 63-19=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 63*19=1197, Resulting Numbers: [1197] 1197,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 10:[96, 14], Operations: ['85-22=63', '77-63=14'] Exploring Operation: 96-14=82, Resulting Numbers: [82] 82,10 unequal: No Solution Exploring Operation: 96+14=110, Resulting Numbers: [110] 110,10 unequal: No Solution Exploring Operation: 96*14=1344, Resulting Numbers: [1344] 1344,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 10:[77, 33], Operations: ['85-22=63', '96-63=33'] Exploring Operation: 77-33=44, Resulting Numbers: [44] 44,10 unequal: No Solution Exploring Operation: 77*33=2541, Resulting Numbers: [2541] 2541,10 unequal: No Solution Exploring Operation: 77+33=110, Resulting Numbers: [110] 110,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 10:[63, 173], Operations: ['85-22=63', '96+77=173'] Exploring Operation: 173-63=110, Resulting Numbers: [110] 110,10 unequal: No Solution Exploring Operation: 63+173=236, Resulting Numbers: [236] 236,10 unequal: No Solution Exploring Operation: 63*173=10899, Resulting Numbers: [10899] 10899,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3,2 Current State: 10:[22, 7], Operations: ['96-85=11', '77/11=7'] Exploring Operation: 22+7=29, Resulting Numbers: [29] 29,10 unequal: No Solution Exploring Operation: 22-7=15, Resulting Numbers: [15] 15,10 unequal: No Solution Exploring Operation: 22*7=154, Resulting Numbers: [154] 154,10 unequal: No Solution Moving to Node #0,2,0 Current State: 10:[22, 12], Operations: ['85-77=8', '96/8=12'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,10 equal: Goal Reached Moving to Node #0 Current State: 10:[85, 96, 77, 22], Operations: [] Exploring Operation: 85-77=8, Resulting Numbers: [96, 22, 8] Generated Node #0,2: 10:[96, 22, 8] Operation: 85-77=8 Moving to Node #0,2 Current State: 10:[96, 22, 8], Operations: ['85-77=8'] Exploring Operation: 96/8=12, Resulting Numbers: [22, 12] Generated Node #0,2,0: 10:[22, 12] Operation: 96/8=12 Moving to Node #0,2,0 Current State: 10:[22, 12], Operations: ['85-77=8', '96/8=12'] Exploring Operation: 22-12=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
0.965278
hs_4
sum_heuristic
[ 42, 11, 46, 7 ]
15
[ "42+46=88", "88/11=8", "7+8=15" ]
Current State: 15:[42, 11, 46, 7], Operations: [] Exploring Operation: 42+46=88, Resulting Numbers: [11, 7, 88] Generated Node #2: [11, 7, 88] from Operation: 42+46=88 Current State: 15:[11, 7, 88], Operations: ['42+46=88'] Exploring Operation: 88/11=8, Resulting Numbers: [7, 8] Generated Node #3: [7, 8] from Operation: 88/11=8 Current State: 15:[7, 8], Operations: ['42+46=88', '88/11=8'] Exploring Operation: 7+8=15, Resulting Numbers: [15] 15,15 equal: Goal Reached
4
Current State: 15:[42, 11, 46, 7], Operations: [] Exploring Operation: 42/7=6, Resulting Numbers: [11, 46, 6] Generated Node #0,0: 15:[11, 46, 6] Operation: 42/7=6 Exploring Operation: 46-42=4, Resulting Numbers: [11, 7, 4] Generated Node #0,1: 15:[11, 7, 4] Operation: 46-42=4 Exploring Operation: 46-11=35, Resulting Numbers: [42, 7, 35] Generated Node #0,2: 15:[42, 7, 35] Operation: 46-11=35 Exploring Operation: 42-11=31, Resulting Numbers: [46, 7, 31] Generated Node #0,3: 15:[46, 7, 31] Operation: 42-11=31 Start Sub Search at level 1: Moving to Node #0,1 Current State: 15:[11, 7, 4], Operations: ['46-42=4'] Exploring Operation: 11+4=15, Resulting Numbers: [7, 15] Generated Node #0,1,0: 15:[7, 15] Operation: 11+4=15 Exploring Operation: 11-4=7, Resulting Numbers: [7, 7] Generated Node #0,1,1: 15:[7, 7] Operation: 11-4=7 Exploring Operation: 11+7=18, Resulting Numbers: [4, 18] Generated Node #0,1,2: 15:[4, 18] Operation: 11+7=18 Exploring Operation: 11-7=4, Resulting Numbers: [4, 4] Generated Node #0,1,3: 15:[4, 4] Operation: 11-7=4 Moving to Node #0,1,0 Current State: 15:[7, 15], Operations: ['46-42=4', '11+4=15'] Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,15 unequal: No Solution Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,15 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,15 unequal: No Solution Moving to Node #0,1,3 Current State: 15:[4, 4], Operations: ['46-42=4', '11-7=4'] Exploring Operation: 4/4=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 4+4=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 4-4=0, Resulting Numbers: [0] 0,15 unequal: No Solution Exploring Operation: 4*4=16, Resulting Numbers: [16] 16,15 unequal: No Solution Moving to Node #0,1,2 Current State: 15:[4, 18], Operations: ['46-42=4', '11+7=18'] Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,15 unequal: No Solution Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,15 unequal: No Solution Moving to Node #0,1,1 Current State: 15:[7, 7], Operations: ['46-42=4', '11-4=7'] Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,15 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 7*7=49, Resulting Numbers: [49] 49,15 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 #0,0 Current State: 15:[11, 46, 6], Operations: ['42/7=6'] Exploring Operation: 11-6=5, Resulting Numbers: [46, 5] Generated Node #0,0,0: 15:[46, 5] Operation: 11-6=5 Exploring Operation: 11+6=17, Resulting Numbers: [46, 17] Generated Node #0,0,1: 15:[46, 17] Operation: 11+6=17 Exploring Operation: 46-6=40, Resulting Numbers: [11, 40] Generated Node #0,0,2: 15:[11, 40] Operation: 46-6=40 Exploring Operation: 46-11=35, Resulting Numbers: [6, 35] Generated Node #0,0,3: 15:[6, 35] Operation: 46-11=35 Moving to Node #0,0,3 Current State: 15:[6, 35], Operations: ['42/7=6', '46-11=35'] Exploring Operation: 6+35=41, Resulting Numbers: [41] 41,15 unequal: No Solution Exploring Operation: 6*35=210, Resulting Numbers: [210] 210,15 unequal: No Solution Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,15 unequal: No Solution Moving to Node #0,0,2 Current State: 15:[11, 40], Operations: ['42/7=6', '46-6=40'] Exploring Operation: 11*40=440, Resulting Numbers: [440] 440,15 unequal: No Solution Exploring Operation: 40-11=29, Resulting Numbers: [29] 29,15 unequal: No Solution Exploring Operation: 11+40=51, Resulting Numbers: [51] 51,15 unequal: No Solution Moving to Node #0,0,0 Current State: 15:[46, 5], Operations: ['42/7=6', '11-6=5'] Exploring Operation: 46-5=41, Resulting Numbers: [41] 41,15 unequal: No Solution Exploring Operation: 46+5=51, Resulting Numbers: [51] 51,15 unequal: No Solution Exploring Operation: 46*5=230, Resulting Numbers: [230] 230,15 unequal: No Solution Moving to Node #0,0,1 Current State: 15:[46, 17], Operations: ['42/7=6', '11+6=17'] Exploring Operation: 46-17=29, Resulting Numbers: [29] 29,15 unequal: No Solution Exploring Operation: 46*17=782, Resulting Numbers: [782] 782,15 unequal: No Solution Exploring Operation: 46+17=63, Resulting Numbers: [63] 63,15 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 #0,2 Current State: 15:[42, 7, 35], Operations: ['46-11=35'] Exploring Operation: 35/7=5, Resulting Numbers: [42, 5] Generated Node #0,2,0: 15:[42, 5] Operation: 35/7=5 Exploring Operation: 42-7=35, Resulting Numbers: [35, 35] Generated Node #0,2,1: 15:[35, 35] Operation: 42-7=35 Exploring Operation: 42/7=6, Resulting Numbers: [35, 6] Generated Node #0,2,2: 15:[35, 6] Operation: 42/7=6 Exploring Operation: 42-35=7, Resulting Numbers: [7, 7] Generated Node #0,2,3: 15:[7, 7] Operation: 42-35=7 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 15:[7, 7], Operations: ['46-11=35', '42-35=7'] Exploring Operation: 7*7=49, Resulting Numbers: [49] 49,15 unequal: No Solution Exploring Operation: 7/7=1, Resulting Numbers: [1] 1,15 unequal: No Solution Exploring Operation: 7+7=14, Resulting Numbers: [14] 14,15 unequal: No Solution Exploring Operation: 7-7=0, Resulting Numbers: [0] 0,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 15:[35, 6], Operations: ['46-11=35', '42/7=6'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,15 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,15 unequal: No Solution Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 15:[42, 5], Operations: ['46-11=35', '35/7=5'] Exploring Operation: 42*5=210, Resulting Numbers: [210] 210,15 unequal: No Solution Exploring Operation: 42+5=47, Resulting Numbers: [47] 47,15 unequal: No Solution Exploring Operation: 42-5=37, Resulting Numbers: [37] 37,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 15:[35, 35], Operations: ['46-11=35', '42-7=35'] Exploring Operation: 35*35=1225, Resulting Numbers: [1225] 1225,15 unequal: No Solution Exploring Operation: 35+35=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 35-35=0, Resulting Numbers: [0] 0,15 unequal: No Solution Exploring Operation: 35/35=1, Resulting Numbers: [1] 1,15 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 15:[46, 7, 31], Operations: ['42-11=31'] Exploring Operation: 46+7=53, Resulting Numbers: [31, 53] Generated Node #0,3,0: 15:[31, 53] Operation: 46+7=53 Exploring Operation: 31-7=24, Resulting Numbers: [46, 24] Generated Node #0,3,1: 15:[46, 24] Operation: 31-7=24 Exploring Operation: 46-7=39, Resulting Numbers: [31, 39] Generated Node #0,3,2: 15:[31, 39] Operation: 46-7=39 Exploring Operation: 46-31=15, Resulting Numbers: [7, 15] Generated Node #0,3,3: 15:[7, 15] Operation: 46-31=15 Moving to Node #0,3,3 Current State: 15:[7, 15], Operations: ['42-11=31', '46-31=15'] Exploring Operation: 7+15=22, Resulting Numbers: [22] 22,15 unequal: No Solution Exploring Operation: 7*15=105, Resulting Numbers: [105] 105,15 unequal: No Solution Exploring Operation: 15-7=8, Resulting Numbers: [8] 8,15 unequal: No Solution Moving to Node #0,3,2 Current State: 15:[31, 39], Operations: ['42-11=31', '46-7=39'] Exploring Operation: 39-31=8, Resulting Numbers: [8] 8,15 unequal: No Solution Exploring Operation: 31+39=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 31*39=1209, Resulting Numbers: [1209] 1209,15 unequal: No Solution Moving to Node #0,3,1 Current State: 15:[46, 24], Operations: ['42-11=31', '31-7=24'] Exploring Operation: 46*24=1104, Resulting Numbers: [1104] 1104,15 unequal: No Solution Exploring Operation: 46+24=70, Resulting Numbers: [70] 70,15 unequal: No Solution Exploring Operation: 46-24=22, Resulting Numbers: [22] 22,15 unequal: No Solution Moving to Node #0,3,0 Current State: 15:[31, 53], Operations: ['42-11=31', '46+7=53'] Exploring Operation: 53-31=22, Resulting Numbers: [22] 22,15 unequal: No Solution Exploring Operation: 31*53=1643, Resulting Numbers: [1643] 1643,15 unequal: No Solution Exploring Operation: 31+53=84, Resulting Numbers: [84] 84,15 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
[ 84, 78, 72, 15 ]
63
[ "84-78=6", "72-15=57", "6+57=63" ]
Current State: 63:[84, 78, 72, 15], Operations: [] Exploring Operation: 84-78=6, Resulting Numbers: [72, 15, 6] Generated Node #2: [72, 15, 6] from Operation: 84-78=6 Current State: 63:[72, 15, 6], Operations: ['84-78=6'] Exploring Operation: 72-15=57, Resulting Numbers: [6, 57] Generated Node #3: [6, 57] from Operation: 72-15=57 Current State: 63:[6, 57], Operations: ['84-78=6', '72-15=57'] Exploring Operation: 6+57=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[84, 78, 72, 15], Operations: [] Exploring Operation: 84-72=12, Resulting Numbers: [78, 15, 12] Generated Node #0,0: 63:[78, 15, 12] Operation: 84-72=12 Exploring Operation: 84-15=69, Resulting Numbers: [78, 72, 69] Generated Node #0,1: 63:[78, 72, 69] Operation: 84-15=69 Exploring Operation: 78-72=6, Resulting Numbers: [84, 15, 6] Generated Node #0,2: 63:[84, 15, 6] Operation: 78-72=6 Exploring Operation: 84-78=6, Resulting Numbers: [72, 15, 6] Generated Node #0,3: 63:[72, 15, 6] Operation: 84-78=6 Start Sub Search at level 1: Moving to Node #0,3 Current State: 63:[72, 15, 6], Operations: ['84-78=6'] Exploring Operation: 72-6=66, Resulting Numbers: [15, 66] Generated Node #0,3,0: 63:[15, 66] Operation: 72-6=66 Exploring Operation: 72-15=57, Resulting Numbers: [6, 57] Generated Node #0,3,1: 63:[6, 57] Operation: 72-15=57 Exploring Operation: 15+6=21, Resulting Numbers: [72, 21] Generated Node #0,3,2: 63:[72, 21] Operation: 15+6=21 Exploring Operation: 72/6=12, Resulting Numbers: [15, 12] Generated Node #0,3,3: 63:[15, 12] Operation: 72/6=12 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 63:[6, 57], Operations: ['84-78=6', '72-15=57'] Exploring Operation: 6+57=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[84, 78, 72, 15], Operations: [] Exploring Operation: 84-78=6, Resulting Numbers: [72, 15, 6] Generated Node #0,3: 63:[72, 15, 6] Operation: 84-78=6 Moving to Node #0,3 Current State: 63:[72, 15, 6], Operations: ['84-78=6'] Exploring Operation: 72-15=57, Resulting Numbers: [6, 57] Generated Node #0,3,1: 63:[6, 57] Operation: 72-15=57 Moving to Node #0,3,1 Current State: 63:[6, 57], Operations: ['84-78=6', '72-15=57'] Exploring Operation: 6+57=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 65, 5, 72, 77 ]
90
[ "77-72=5", "5*5=25", "65+25=90" ]
Current State: 90:[65, 5, 72, 77], Operations: [] Exploring Operation: 77-72=5, Resulting Numbers: [65, 5, 5] Generated Node #2: [65, 5, 5] from Operation: 77-72=5 Current State: 90:[65, 5, 5], Operations: ['77-72=5'] Exploring Operation: 5*5=25, Resulting Numbers: [65, 25] Generated Node #3: [65, 25] from Operation: 5*5=25 Current State: 90:[65, 25], Operations: ['77-72=5', '5*5=25'] Exploring Operation: 65+25=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[65, 5, 72, 77], Operations: [] Exploring Operation: 77-65=12, Resulting Numbers: [5, 72, 12] Generated Node #0,0: 90:[5, 72, 12] Operation: 77-65=12 Exploring Operation: 72-65=7, Resulting Numbers: [5, 77, 7] Generated Node #0,1: 90:[5, 77, 7] Operation: 72-65=7 Exploring Operation: 77-72=5, Resulting Numbers: [65, 5, 5] Generated Node #0,2: 90:[65, 5, 5] Operation: 77-72=5 Moving to Node #0,1 Current State: 90:[5, 77, 7], Operations: ['72-65=7'] Exploring Operation: 77/7=11, Resulting Numbers: [5, 11] Generated Node #0,1,0: 90:[5, 11] Operation: 77/7=11 Exploring Operation: 77+7=84, Resulting Numbers: [5, 84] Generated Node #0,1,1: 90:[5, 84] Operation: 77+7=84 Exploring Operation: 5+77=82, Resulting Numbers: [7, 82] Generated Node #0,1,2: 90:[7, 82] Operation: 5+77=82 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 90:[5, 11], Operations: ['72-65=7', '77/7=11'] Exploring Operation: 5+11=16, Resulting Numbers: [16] 16,90 unequal: No Solution Exploring Operation: 11-5=6, Resulting Numbers: [6] 6,90 unequal: No Solution Exploring Operation: 5*11=55, Resulting Numbers: [55] 55,90 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 #0,1,1 Current State: 90:[5, 84], Operations: ['72-65=7', '77+7=84'] Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,90 unequal: No Solution Exploring Operation: 5*84=420, Resulting Numbers: [420] 420,90 unequal: No Solution Exploring Operation: 5+84=89, Resulting Numbers: [89] 89,90 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 #0,1,2 Current State: 90:[7, 82], Operations: ['72-65=7', '5+77=82'] Exploring Operation: 82-7=75, Resulting Numbers: [75] 75,90 unequal: No Solution Exploring Operation: 7*82=574, Resulting Numbers: [574] 574,90 unequal: No Solution Exploring Operation: 7+82=89, Resulting Numbers: [89] 89,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 90:[5, 72, 12], Operations: ['77-65=12'] Exploring Operation: 72/12=6, Resulting Numbers: [5, 6] Generated Node #0,0,0: 90:[5, 6] Operation: 72/12=6 Exploring Operation: 5+72=77, Resulting Numbers: [12, 77] Generated Node #0,0,1: 90:[12, 77] Operation: 5+72=77 Exploring Operation: 72+12=84, Resulting Numbers: [5, 84] Generated Node #0,0,2: 90:[5, 84] Operation: 72+12=84 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[5, 6], Operations: ['77-65=12', '72/12=6'] Exploring Operation: 5*6=30, Resulting Numbers: [30] 30,90 unequal: No Solution Exploring Operation: 5+6=11, Resulting Numbers: [11] 11,90 unequal: No Solution Exploring Operation: 6-5=1, Resulting Numbers: [1] 1,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 90:[5, 84], Operations: ['77-65=12', '72+12=84'] Exploring Operation: 84-5=79, Resulting Numbers: [79] 79,90 unequal: No Solution Exploring Operation: 5*84=420, Resulting Numbers: [420] 420,90 unequal: No Solution Exploring Operation: 5+84=89, Resulting Numbers: [89] 89,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[12, 77], Operations: ['77-65=12', '5+72=77'] Exploring Operation: 77-12=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 12*77=924, Resulting Numbers: [924] 924,90 unequal: No Solution Exploring Operation: 12+77=89, Resulting Numbers: [89] 89,90 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: 90:[65, 5, 5], Operations: ['77-72=5'] Exploring Operation: 65/5=13, Resulting Numbers: [5, 13] Generated Node #0,2,0: 90:[5, 13] Operation: 65/5=13 Exploring Operation: 65/5=13, Resulting Numbers: [5, 13] Generated Node #0,2,1: 90:[5, 13] Operation: 65/5=13 Exploring Operation: 65-5=60, Resulting Numbers: [5, 60] Generated Node #0,2,2: 90:[5, 60] Operation: 65-5=60 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 90:[5, 13], Operations: ['77-72=5', '65/5=13'] Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,90 unequal: No Solution Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,90 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 #0,2,1 Current State: 90:[5, 13], Operations: ['77-72=5', '65/5=13'] Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,90 unequal: No Solution Exploring Operation: 5+13=18, Resulting Numbers: [18] 18,90 unequal: No Solution Exploring Operation: 5*13=65, Resulting Numbers: [65] 65,90 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 #0,2,2 Current State: 90:[5, 60], Operations: ['77-72=5', '65-5=60'] Exploring Operation: 60/5=12, Resulting Numbers: [12] 12,90 unequal: No Solution Exploring Operation: 5+60=65, Resulting Numbers: [65] 65,90 unequal: No Solution Exploring Operation: 60-5=55, Resulting Numbers: [55] 55,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 4, 71, 77, 95 ]
57
[ "4+71=75", "95-77=18", "75-18=57" ]
Current State: 57:[4, 71, 77, 95], Operations: [] Exploring Operation: 4+71=75, Resulting Numbers: [77, 95, 75] Generated Node #2: [77, 95, 75] from Operation: 4+71=75 Current State: 57:[77, 95, 75], Operations: ['4+71=75'] Exploring Operation: 95-77=18, Resulting Numbers: [75, 18] Generated Node #3: [75, 18] from Operation: 95-77=18 Current State: 57:[75, 18], Operations: ['4+71=75', '95-77=18'] Exploring Operation: 75-18=57, Resulting Numbers: [57] 57,57 equal: Goal Reached
4
Current State: 57:[4, 71, 77, 95], Operations: [] Exploring Operation: 95-71=24, Resulting Numbers: [4, 77, 24] Generated Node #0,0: 57:[4, 77, 24] Operation: 95-71=24 Exploring Operation: 77-71=6, Resulting Numbers: [4, 95, 6] Generated Node #0,1: 57:[4, 95, 6] Operation: 77-71=6 Exploring Operation: 95-77=18, Resulting Numbers: [4, 71, 18] Generated Node #0,2: 57:[4, 71, 18] Operation: 95-77=18 Start Sub Search at level 1: Moving to Node #0,2 Current State: 57:[4, 71, 18], Operations: ['95-77=18'] Exploring Operation: 71-18=53, Resulting Numbers: [4, 53] Generated Node #0,2,0: 57:[4, 53] Operation: 71-18=53 Exploring Operation: 4+18=22, Resulting Numbers: [71, 22] Generated Node #0,2,1: 57:[71, 22] Operation: 4+18=22 Exploring Operation: 71-4=67, Resulting Numbers: [18, 67] Generated Node #0,2,2: 57:[18, 67] Operation: 71-4=67 Moving to Node #0,2,0 Current State: 57:[4, 53], Operations: ['95-77=18', '71-18=53'] Exploring Operation: 4*53=212, Resulting Numbers: [212] 212,57 unequal: No Solution Exploring Operation: 53-4=49, Resulting Numbers: [49] 49,57 unequal: No Solution Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Moving to Node #0 Current State: 57:[4, 71, 77, 95], Operations: [] Exploring Operation: 95-77=18, Resulting Numbers: [4, 71, 18] Generated Node #0,2: 57:[4, 71, 18] Operation: 95-77=18 Moving to Node #0,2 Current State: 57:[4, 71, 18], Operations: ['95-77=18'] Exploring Operation: 71-18=53, Resulting Numbers: [4, 53] Generated Node #0,2,0: 57:[4, 53] Operation: 71-18=53 Moving to Node #0,2,0 Current State: 57:[4, 53], Operations: ['95-77=18', '71-18=53'] Exploring Operation: 4+53=57, Resulting Numbers: [57] 57,57 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 58, 16, 75, 82 ]
49
[ "58-16=42", "82-75=7", "42+7=49" ]
Current State: 49:[58, 16, 75, 82], Operations: [] Exploring Operation: 58-16=42, Resulting Numbers: [75, 82, 42] Generated Node #2: [75, 82, 42] from Operation: 58-16=42 Current State: 49:[75, 82, 42], Operations: ['58-16=42'] Exploring Operation: 82-75=7, Resulting Numbers: [42, 7] Generated Node #3: [42, 7] from Operation: 82-75=7 Current State: 49:[42, 7], Operations: ['58-16=42', '82-75=7'] Exploring Operation: 42+7=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[58, 16, 75, 82], Operations: [] Exploring Operation: 82-75=7, Resulting Numbers: [58, 16, 7] Generated Node #0,0: 49:[58, 16, 7] Operation: 82-75=7 Exploring Operation: 82-58=24, Resulting Numbers: [16, 75, 24] Generated Node #0,1: 49:[16, 75, 24] Operation: 82-58=24 Exploring Operation: 75-58=17, Resulting Numbers: [16, 82, 17] Generated Node #0,2: 49:[16, 82, 17] Operation: 75-58=17 Exploring Operation: 82-16=66, Resulting Numbers: [58, 75, 66] Generated Node #0,3: 49:[58, 75, 66] Operation: 82-16=66 Exploring Operation: 75-16=59, Resulting Numbers: [58, 82, 59] Generated Node #0,4: 49:[58, 82, 59] Operation: 75-16=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 49:[58, 16, 7], Operations: ['82-75=7'] Exploring Operation: 58+7=65, Resulting Numbers: [16, 65] Generated Node #0,0,0: 49:[16, 65] Operation: 58+7=65 Exploring Operation: 58-7=51, Resulting Numbers: [16, 51] Generated Node #0,0,1: 49:[16, 51] Operation: 58-7=51 Exploring Operation: 16-7=9, Resulting Numbers: [58, 9] Generated Node #0,0,2: 49:[58, 9] Operation: 16-7=9 Exploring Operation: 58-16=42, Resulting Numbers: [7, 42] Generated Node #0,0,3: 49:[7, 42] Operation: 58-16=42 Exploring Operation: 58+16=74, Resulting Numbers: [7, 74] Generated Node #0,0,4: 49:[7, 74] Operation: 58+16=74 Moving to Node #0,0,3 Current State: 49:[7, 42], Operations: ['82-75=7', '58-16=42'] Exploring Operation: 7*42=294, Resulting Numbers: [294] 294,49 unequal: No Solution Exploring Operation: 42/7=6, Resulting Numbers: [6] 6,49 unequal: No Solution Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Moving to Node #0 Current State: 49:[58, 16, 75, 82], Operations: [] Exploring Operation: 82-75=7, Resulting Numbers: [58, 16, 7] Generated Node #0,0: 49:[58, 16, 7] Operation: 82-75=7 Moving to Node #0,0 Current State: 49:[58, 16, 7], Operations: ['82-75=7'] Exploring Operation: 58-16=42, Resulting Numbers: [7, 42] Generated Node #0,0,3: 49:[7, 42] Operation: 58-16=42 Moving to Node #0,0,3 Current State: 49:[7, 42], Operations: ['82-75=7', '58-16=42'] Exploring Operation: 7+42=49, Resulting Numbers: [49] 49,49 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 3, 91, 71, 65 ]
89
[ "71-65=6", "6/3=2", "91-2=89" ]
Current State: 89:[3, 91, 71, 65], Operations: [] Exploring Operation: 71-65=6, Resulting Numbers: [3, 91, 6] Generated Node #2: [3, 91, 6] from Operation: 71-65=6 Current State: 89:[3, 91, 6], Operations: ['71-65=6'] Exploring Operation: 6/3=2, Resulting Numbers: [91, 2] Generated Node #3: [91, 2] from Operation: 6/3=2 Current State: 89:[91, 2], Operations: ['71-65=6', '6/3=2'] Exploring Operation: 91-2=89, Resulting Numbers: [89] 89,89 equal: Goal Reached
4
Current State: 89:[3, 91, 71, 65], Operations: [] Exploring Operation: 3+91=94, Resulting Numbers: [71, 65, 94] Generated Node #0,0: 89:[71, 65, 94] Operation: 3+91=94 Exploring Operation: 3+71=74, Resulting Numbers: [91, 65, 74] Generated Node #0,1: 89:[91, 65, 74] Operation: 3+71=74 Exploring Operation: 71-3=68, Resulting Numbers: [91, 65, 68] Generated Node #0,2: 89:[91, 65, 68] Operation: 71-3=68 Exploring Operation: 91-3=88, Resulting Numbers: [71, 65, 88] Generated Node #0,3: 89:[71, 65, 88] Operation: 91-3=88 Exploring Operation: 3+65=68, Resulting Numbers: [91, 71, 68] Generated Node #0,4: 89:[91, 71, 68] Operation: 3+65=68 Start Sub Search at level 1: Moving to Node #0,1 Current State: 89:[91, 65, 74], Operations: ['3+71=74'] Exploring Operation: 74-65=9, Resulting Numbers: [91, 9] Generated Node #0,1,0: 89:[91, 9] Operation: 74-65=9 Exploring Operation: 91-74=17, Resulting Numbers: [65, 17] Generated Node #0,1,1: 89:[65, 17] Operation: 91-74=17 Exploring Operation: 65+74=139, Resulting Numbers: [91, 139] Generated Node #0,1,2: 89:[91, 139] Operation: 65+74=139 Exploring Operation: 91-65=26, Resulting Numbers: [74, 26] Generated Node #0,1,3: 89:[74, 26] Operation: 91-65=26 Exploring Operation: 91+65=156, Resulting Numbers: [74, 156] Generated Node #0,1,4: 89:[74, 156] Operation: 91+65=156 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 89:[91, 139], Operations: ['3+71=74', '65+74=139'] Exploring Operation: 91*139=12649, Resulting Numbers: [12649] 12649,89 unequal: No Solution Exploring Operation: 139-91=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 91+139=230, Resulting Numbers: [230] 230,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 89:[74, 26], Operations: ['3+71=74', '91-65=26'] Exploring Operation: 74-26=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 74+26=100, Resulting Numbers: [100] 100,89 unequal: No Solution Exploring Operation: 74*26=1924, Resulting Numbers: [1924] 1924,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 89:[91, 9], Operations: ['3+71=74', '74-65=9'] Exploring Operation: 91-9=82, Resulting Numbers: [82] 82,89 unequal: No Solution Exploring Operation: 91*9=819, Resulting Numbers: [819] 819,89 unequal: No Solution Exploring Operation: 91+9=100, Resulting Numbers: [100] 100,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,4 Current State: 89:[74, 156], Operations: ['3+71=74', '91+65=156'] Exploring Operation: 74+156=230, Resulting Numbers: [230] 230,89 unequal: No Solution Exploring Operation: 74*156=11544, Resulting Numbers: [11544] 11544,89 unequal: No Solution Exploring Operation: 156-74=82, Resulting Numbers: [82] 82,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 89:[65, 17], Operations: ['3+71=74', '91-74=17'] Exploring Operation: 65-17=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 65*17=1105, Resulting Numbers: [1105] 1105,89 unequal: No Solution Exploring Operation: 65+17=82, Resulting Numbers: [82] 82,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4 Current State: 89:[91, 71, 68], Operations: ['3+65=68'] Exploring Operation: 91-71=20, Resulting Numbers: [68, 20] Generated Node #0,4,0: 89:[68, 20] Operation: 91-71=20 Exploring Operation: 71-68=3, Resulting Numbers: [91, 3] Generated Node #0,4,1: 89:[91, 3] Operation: 71-68=3 Exploring Operation: 91-68=23, Resulting Numbers: [71, 23] Generated Node #0,4,2: 89:[71, 23] Operation: 91-68=23 Exploring Operation: 71+68=139, Resulting Numbers: [91, 139] Generated Node #0,4,3: 89:[91, 139] Operation: 71+68=139 Exploring Operation: 91+68=159, Resulting Numbers: [71, 159] Generated Node #0,4,4: 89:[71, 159] Operation: 91+68=159 Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 89:[91, 139], Operations: ['3+65=68', '71+68=139'] Exploring Operation: 139-91=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 91*139=12649, Resulting Numbers: [12649] 12649,89 unequal: No Solution Exploring Operation: 91+139=230, Resulting Numbers: [230] 230,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 89:[71, 23], Operations: ['3+65=68', '91-68=23'] Exploring Operation: 71-23=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 71*23=1633, Resulting Numbers: [1633] 1633,89 unequal: No Solution Exploring Operation: 71+23=94, Resulting Numbers: [94] 94,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 89:[91, 3], Operations: ['3+65=68', '71-68=3'] Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,89 unequal: No Solution Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,89 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 89:[71, 159], Operations: ['3+65=68', '91+68=159'] Exploring Operation: 71*159=11289, Resulting Numbers: [11289] 11289,89 unequal: No Solution Exploring Operation: 71+159=230, Resulting Numbers: [230] 230,89 unequal: No Solution Exploring Operation: 159-71=88, Resulting Numbers: [88] 88,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 89:[68, 20], Operations: ['3+65=68', '91-71=20'] Exploring Operation: 68+20=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 68-20=48, Resulting Numbers: [48] 48,89 unequal: No Solution Exploring Operation: 68*20=1360, Resulting Numbers: [1360] 1360,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 89:[71, 65, 88], Operations: ['91-3=88'] Exploring Operation: 71+65=136, Resulting Numbers: [88, 136] Generated Node #0,3,0: 89:[88, 136] Operation: 71+65=136 Exploring Operation: 65+88=153, Resulting Numbers: [71, 153] Generated Node #0,3,1: 89:[71, 153] Operation: 65+88=153 Exploring Operation: 71-65=6, Resulting Numbers: [88, 6] Generated Node #0,3,2: 89:[88, 6] Operation: 71-65=6 Exploring Operation: 88-65=23, Resulting Numbers: [71, 23] Generated Node #0,3,3: 89:[71, 23] Operation: 88-65=23 Exploring Operation: 71+88=159, Resulting Numbers: [65, 159] Generated Node #0,3,4: 89:[65, 159] Operation: 71+88=159 Moving to Node #0,3,0 Current State: 89:[88, 136], Operations: ['91-3=88', '71+65=136'] Exploring Operation: 88+136=224, Resulting Numbers: [224] 224,89 unequal: No Solution Exploring Operation: 88*136=11968, Resulting Numbers: [11968] 11968,89 unequal: No Solution Exploring Operation: 136-88=48, Resulting Numbers: [48] 48,89 unequal: No Solution Moving to Node #0,3,1 Current State: 89:[71, 153], Operations: ['91-3=88', '65+88=153'] Exploring Operation: 71*153=10863, Resulting Numbers: [10863] 10863,89 unequal: No Solution Exploring Operation: 71+153=224, Resulting Numbers: [224] 224,89 unequal: No Solution Exploring Operation: 153-71=82, Resulting Numbers: [82] 82,89 unequal: No Solution Moving to Node #0,3,2 Current State: 89:[88, 6], Operations: ['91-3=88', '71-65=6'] Exploring Operation: 88+6=94, Resulting Numbers: [94] 94,89 unequal: No Solution Exploring Operation: 88*6=528, Resulting Numbers: [528] 528,89 unequal: No Solution Exploring Operation: 88-6=82, Resulting Numbers: [82] 82,89 unequal: No Solution Moving to Node #0,3,3 Current State: 89:[71, 23], Operations: ['91-3=88', '88-65=23'] Exploring Operation: 71+23=94, Resulting Numbers: [94] 94,89 unequal: No Solution Exploring Operation: 71*23=1633, Resulting Numbers: [1633] 1633,89 unequal: No Solution Exploring Operation: 71-23=48, Resulting Numbers: [48] 48,89 unequal: No Solution Moving to Node #0,3,4 Current State: 89:[65, 159], Operations: ['91-3=88', '71+88=159'] Exploring Operation: 65*159=10335, Resulting Numbers: [10335] 10335,89 unequal: No Solution Exploring Operation: 65+159=224, Resulting Numbers: [224] 224,89 unequal: No Solution Exploring Operation: 159-65=94, Resulting Numbers: [94] 94,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0 Current State: 89:[71, 65, 94], Operations: ['3+91=94'] Exploring Operation: 65+94=159, Resulting Numbers: [71, 159] Generated Node #0,0,0: 89:[71, 159] Operation: 65+94=159 Exploring Operation: 94-65=29, Resulting Numbers: [71, 29] Generated Node #0,0,1: 89:[71, 29] Operation: 94-65=29 Exploring Operation: 71-65=6, Resulting Numbers: [94, 6] Generated Node #0,0,2: 89:[94, 6] Operation: 71-65=6 Exploring Operation: 94-71=23, Resulting Numbers: [65, 23] Generated Node #0,0,3: 89:[65, 23] Operation: 94-71=23 Exploring Operation: 71+65=136, Resulting Numbers: [94, 136] Generated Node #0,0,4: 89:[94, 136] Operation: 71+65=136 Moving to Node #0,0,4 Current State: 89:[94, 136], Operations: ['3+91=94', '71+65=136'] Exploring Operation: 136-94=42, Resulting Numbers: [42] 42,89 unequal: No Solution Exploring Operation: 94+136=230, Resulting Numbers: [230] 230,89 unequal: No Solution Exploring Operation: 94*136=12784, Resulting Numbers: [12784] 12784,89 unequal: No Solution Moving to Node #0,0,1 Current State: 89:[71, 29], Operations: ['3+91=94', '94-65=29'] Exploring Operation: 71-29=42, Resulting Numbers: [42] 42,89 unequal: No Solution Exploring Operation: 71+29=100, Resulting Numbers: [100] 100,89 unequal: No Solution Exploring Operation: 71*29=2059, Resulting Numbers: [2059] 2059,89 unequal: No Solution Moving to Node #0,0,0 Current State: 89:[71, 159], Operations: ['3+91=94', '65+94=159'] Exploring Operation: 71+159=230, Resulting Numbers: [230] 230,89 unequal: No Solution Exploring Operation: 159-71=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 71*159=11289, Resulting Numbers: [11289] 11289,89 unequal: No Solution Moving to Node #0,0,2 Current State: 89:[94, 6], Operations: ['3+91=94', '71-65=6'] Exploring Operation: 94+6=100, Resulting Numbers: [100] 100,89 unequal: No Solution Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 94*6=564, Resulting Numbers: [564] 564,89 unequal: No Solution Moving to Node #0,0,3 Current State: 89:[65, 23], Operations: ['3+91=94', '94-71=23'] Exploring Operation: 65*23=1495, Resulting Numbers: [1495] 1495,89 unequal: No Solution Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,89 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 89:[91, 65, 68], Operations: ['71-3=68'] Exploring Operation: 91-65=26, Resulting Numbers: [68, 26] Generated Node #0,2,0: 89:[68, 26] Operation: 91-65=26 Exploring Operation: 91+65=156, Resulting Numbers: [68, 156] Generated Node #0,2,1: 89:[68, 156] Operation: 91+65=156 Exploring Operation: 91-68=23, Resulting Numbers: [65, 23] Generated Node #0,2,2: 89:[65, 23] Operation: 91-68=23 Exploring Operation: 68-65=3, Resulting Numbers: [91, 3] Generated Node #0,2,3: 89:[91, 3] Operation: 68-65=3 Exploring Operation: 65+68=133, Resulting Numbers: [91, 133] Generated Node #0,2,4: 89:[91, 133] Operation: 65+68=133 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 89:[91, 133], Operations: ['71-3=68', '65+68=133'] Exploring Operation: 133-91=42, Resulting Numbers: [42] 42,89 unequal: No Solution Exploring Operation: 91*133=12103, Resulting Numbers: [12103] 12103,89 unequal: No Solution Exploring Operation: 91+133=224, Resulting Numbers: [224] 224,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 89:[68, 26], Operations: ['71-3=68', '91-65=26'] Exploring Operation: 68+26=94, Resulting Numbers: [94] 94,89 unequal: No Solution Exploring Operation: 68-26=42, Resulting Numbers: [42] 42,89 unequal: No Solution Exploring Operation: 68*26=1768, Resulting Numbers: [1768] 1768,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 89:[68, 156], Operations: ['71-3=68', '91+65=156'] Exploring Operation: 156-68=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 68*156=10608, Resulting Numbers: [10608] 10608,89 unequal: No Solution Exploring Operation: 68+156=224, Resulting Numbers: [224] 224,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 89:[91, 3], Operations: ['71-3=68', '68-65=3'] Exploring Operation: 91*3=273, Resulting Numbers: [273] 273,89 unequal: No Solution Exploring Operation: 91-3=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 91+3=94, Resulting Numbers: [94] 94,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 89:[65, 23], Operations: ['71-3=68', '91-68=23'] Exploring Operation: 65*23=1495, Resulting Numbers: [1495] 1495,89 unequal: No Solution Exploring Operation: 65+23=88, Resulting Numbers: [88] 88,89 unequal: No Solution Exploring Operation: 65-23=42, Resulting Numbers: [42] 42,89 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_5
mult_heuristic
[ 82, 82, 22, 76 ]
76
[ "82-82=0", "22*0=0", "76+0=76" ]
Current State: 76:[82, 82, 22, 76], Operations: [] Exploring Operation: 82-82=0, Resulting Numbers: [22, 76, 0] Generated Node #2: [22, 76, 0] from Operation: 82-82=0 Current State: 76:[22, 76, 0], Operations: ['82-82=0'] Exploring Operation: 22*0=0, Resulting Numbers: [76, 0] Generated Node #3: [76, 0] from Operation: 22*0=0 Current State: 76:[76, 0], Operations: ['82-82=0', '22*0=0'] Exploring Operation: 76+0=76, Resulting Numbers: [76] 76,76 equal: Goal Reached
4
Current State: 76:[82, 82, 22, 76], Operations: [] Exploring Operation: 82/82=1, Resulting Numbers: [22, 76, 1] Generated Node #0,0: 76:[22, 76, 1] Operation: 82/82=1 Moving to Node #0,0 Current State: 76:[22, 76, 1], Operations: ['82/82=1'] Exploring Operation: 22-1=21, Resulting Numbers: [76, 21] Generated Node #0,0,0: 76:[76, 21] Operation: 22-1=21 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 76:[76, 21], Operations: ['82/82=1', '22-1=21'] Exploring Operation: 76-21=55, Resulting Numbers: [55] 55,76 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
[ 19, 8, 55, 95 ]
52
[ "95/19=5", "55-8=47", "5+47=52" ]
Current State: 52:[19, 8, 55, 95], Operations: [] Exploring Operation: 95/19=5, Resulting Numbers: [8, 55, 5] Generated Node #2: [8, 55, 5] from Operation: 95/19=5 Current State: 52:[8, 55, 5], Operations: ['95/19=5'] Exploring Operation: 55-8=47, Resulting Numbers: [5, 47] Generated Node #3: [5, 47] from Operation: 55-8=47 Current State: 52:[5, 47], Operations: ['95/19=5', '55-8=47'] Exploring Operation: 5+47=52, Resulting Numbers: [52] 52,52 equal: Goal Reached
4
Current State: 52:[19, 8, 55, 95], Operations: [] Exploring Operation: 95/19=5, Resulting Numbers: [8, 55, 5] Generated Node #0,0: 52:[8, 55, 5] Operation: 95/19=5 Exploring Operation: 95-55=40, Resulting Numbers: [19, 8, 40] Generated Node #0,1: 52:[19, 8, 40] Operation: 95-55=40 Moving to Node #0,0 Current State: 52:[8, 55, 5], Operations: ['95/19=5'] Exploring Operation: 8+5=13, Resulting Numbers: [55, 13] Generated Node #0,0,0: 52:[55, 13] Operation: 8+5=13 Exploring Operation: 8-5=3, Resulting Numbers: [55, 3] Generated Node #0,0,1: 52:[55, 3] Operation: 8-5=3 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 52:[55, 13], Operations: ['95/19=5', '8+5=13'] Exploring Operation: 55+13=68, Resulting Numbers: [68] 68,52 unequal: No Solution Exploring Operation: 55-13=42, Resulting Numbers: [42] 42,52 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 52:[55, 3], Operations: ['95/19=5', '8-5=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Moving to Node #0 Current State: 52:[19, 8, 55, 95], Operations: [] Exploring Operation: 95/19=5, Resulting Numbers: [8, 55, 5] Generated Node #0,0: 52:[8, 55, 5] Operation: 95/19=5 Moving to Node #0,0 Current State: 52:[8, 55, 5], Operations: ['95/19=5'] Exploring Operation: 8-5=3, Resulting Numbers: [55, 3] Generated Node #0,0,1: 52:[55, 3] Operation: 8-5=3 Moving to Node #0,0,1 Current State: 52:[55, 3], Operations: ['95/19=5', '8-5=3'] Exploring Operation: 55-3=52, Resulting Numbers: [52] 52,52 equal: Goal Reached Exit Sub Search at level 1
0.990451
hs_2
mult_heuristic
[ 18, 95, 32, 5 ]
40
[ "95-18=77", "32+5=37", "77-37=40" ]
Current State: 40:[18, 95, 32, 5], Operations: [] Exploring Operation: 95-18=77, Resulting Numbers: [32, 5, 77] Generated Node #2: [32, 5, 77] from Operation: 95-18=77 Current State: 40:[32, 5, 77], Operations: ['95-18=77'] Exploring Operation: 32+5=37, Resulting Numbers: [77, 37] Generated Node #3: [77, 37] from Operation: 32+5=37 Current State: 40:[77, 37], Operations: ['95-18=77', '32+5=37'] Exploring Operation: 77-37=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[18, 95, 32, 5], Operations: [] Exploring Operation: 95-32=63, Resulting Numbers: [18, 5, 63] Generated Node #0,0: 40:[18, 5, 63] Operation: 95-32=63 Exploring Operation: 95/5=19, Resulting Numbers: [18, 32, 19] Generated Node #0,1: 40:[18, 32, 19] Operation: 95/5=19 Start Sub Search at level 1: Moving to Node #0,1 Current State: 40:[18, 32, 19], Operations: ['95/5=19'] Exploring Operation: 32-18=14, Resulting Numbers: [19, 14] Generated Node #0,1,0: 40:[19, 14] Operation: 32-18=14 Exploring Operation: 32-19=13, Resulting Numbers: [18, 13] Generated Node #0,1,1: 40:[18, 13] Operation: 32-19=13 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 40:[19, 14], Operations: ['95/5=19', '32-18=14'] Exploring Operation: 19-14=5, Resulting Numbers: [5] 5,40 unequal: No Solution Exploring Operation: 19+14=33, Resulting Numbers: [33] 33,40 unequal: No Solution No 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: 40:[18, 13], Operations: ['95/5=19', '32-19=13'] Exploring Operation: 18+13=31, Resulting Numbers: [31] 31,40 unequal: No Solution Exploring Operation: 18-13=5, Resulting Numbers: [5] 5,40 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: 40:[18, 5, 63], Operations: ['95-32=63'] Exploring Operation: 63-5=58, Resulting Numbers: [18, 58] Generated Node #0,0,0: 40:[18, 58] Operation: 63-5=58 Exploring Operation: 63-18=45, Resulting Numbers: [5, 45] Generated Node #0,0,1: 40:[5, 45] Operation: 63-18=45 Moving to Node #0,0,1 Current State: 40:[5, 45], Operations: ['95-32=63', '63-18=45'] Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[18, 95, 32, 5], Operations: [] Exploring Operation: 95-32=63, Resulting Numbers: [18, 5, 63] Generated Node #0,0: 40:[18, 5, 63] Operation: 95-32=63 Moving to Node #0,0 Current State: 40:[18, 5, 63], Operations: ['95-32=63'] Exploring Operation: 63-18=45, Resulting Numbers: [5, 45] Generated Node #0,0,1: 40:[5, 45] Operation: 63-18=45 Moving to Node #0,0,1 Current State: 40:[5, 45], Operations: ['95-32=63', '63-18=45'] Exploring Operation: 45-5=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_2
sum_heuristic
[ 3, 83, 74, 38 ]
35
[ "83-74=9", "9/3=3", "38-3=35" ]
Current State: 35:[3, 83, 74, 38], Operations: [] Exploring Operation: 83-74=9, Resulting Numbers: [3, 38, 9] Generated Node #2: [3, 38, 9] from Operation: 83-74=9 Current State: 35:[3, 38, 9], Operations: ['83-74=9'] Exploring Operation: 9/3=3, Resulting Numbers: [38, 3] Generated Node #3: [38, 3] from Operation: 9/3=3 Current State: 35:[38, 3], Operations: ['83-74=9', '9/3=3'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached
4
Current State: 35:[3, 83, 74, 38], Operations: [] Exploring Operation: 74-3=71, Resulting Numbers: [83, 38, 71] Generated Node #0,0: 35:[83, 38, 71] Operation: 74-3=71 Exploring Operation: 83-74=9, Resulting Numbers: [3, 38, 9] Generated Node #0,1: 35:[3, 38, 9] Operation: 83-74=9 Exploring Operation: 83-38=45, Resulting Numbers: [3, 74, 45] Generated Node #0,2: 35:[3, 74, 45] Operation: 83-38=45 Exploring Operation: 74-38=36, Resulting Numbers: [3, 83, 36] Generated Node #0,3: 35:[3, 83, 36] Operation: 74-38=36 Exploring Operation: 83-3=80, Resulting Numbers: [74, 38, 80] Generated Node #0,4: 35:[74, 38, 80] Operation: 83-3=80 Moving to Node #0,1 Current State: 35:[3, 38, 9], Operations: ['83-74=9'] Exploring Operation: 9/3=3, Resulting Numbers: [38, 3] Generated Node #0,1,0: 35:[38, 3] Operation: 9/3=3 Exploring Operation: 38-3=35, Resulting Numbers: [9, 35] Generated Node #0,1,1: 35:[9, 35] Operation: 38-3=35 Exploring Operation: 9-3=6, Resulting Numbers: [38, 6] Generated Node #0,1,2: 35:[38, 6] Operation: 9-3=6 Exploring Operation: 3+38=41, Resulting Numbers: [9, 41] Generated Node #0,1,3: 35:[9, 41] Operation: 3+38=41 Exploring Operation: 3+9=12, Resulting Numbers: [38, 12] Generated Node #0,1,4: 35:[38, 12] Operation: 3+9=12 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 35:[9, 35], Operations: ['83-74=9', '38-3=35'] Exploring Operation: 9+35=44, Resulting Numbers: [44] 44,35 unequal: No Solution Exploring Operation: 9*35=315, Resulting Numbers: [315] 315,35 unequal: No Solution Exploring Operation: 35-9=26, Resulting Numbers: [26] 26,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 35:[38, 6], Operations: ['83-74=9', '9-3=6'] Exploring Operation: 38-6=32, Resulting Numbers: [32] 32,35 unequal: No Solution Exploring Operation: 38+6=44, Resulting Numbers: [44] 44,35 unequal: No Solution Exploring Operation: 38*6=228, Resulting Numbers: [228] 228,35 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 35:[38, 3], Operations: ['83-74=9', '9/3=3'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Moving to Node #0 Current State: 35:[3, 83, 74, 38], Operations: [] Exploring Operation: 83-74=9, Resulting Numbers: [3, 38, 9] Generated Node #0,1: 35:[3, 38, 9] Operation: 83-74=9 Moving to Node #0,1 Current State: 35:[3, 38, 9], Operations: ['83-74=9'] Exploring Operation: 9/3=3, Resulting Numbers: [38, 3] Generated Node #0,1,0: 35:[38, 3] Operation: 9/3=3 Moving to Node #0,1,0 Current State: 35:[38, 3], Operations: ['83-74=9', '9/3=3'] Exploring Operation: 38-3=35, Resulting Numbers: [35] 35,35 equal: Goal Reached Exit Sub Search at level 1
0.981771
hs_5
sum_heuristic
[ 50, 32, 7, 6 ]
21
[ "50-32=18", "7*18=126", "126/6=21" ]
Current State: 21:[50, 32, 7, 6], Operations: [] Exploring Operation: 50-32=18, Resulting Numbers: [7, 6, 18] Generated Node #2: [7, 6, 18] from Operation: 50-32=18 Current State: 21:[7, 6, 18], Operations: ['50-32=18'] Exploring Operation: 7*18=126, Resulting Numbers: [6, 126] Generated Node #3: [6, 126] from Operation: 7*18=126 Current State: 21:[6, 126], Operations: ['50-32=18', '7*18=126'] Exploring Operation: 126/6=21, Resulting Numbers: [21] 21,21 equal: Goal Reached
4
Current State: 21:[50, 32, 7, 6], Operations: [] Exploring Operation: 50-7=43, Resulting Numbers: [32, 6, 43] Generated Node #0,0: 21:[32, 6, 43] Operation: 50-7=43 Exploring Operation: 50-6=44, Resulting Numbers: [32, 7, 44] Generated Node #0,1: 21:[32, 7, 44] Operation: 50-6=44 Exploring Operation: 50-32=18, Resulting Numbers: [7, 6, 18] Generated Node #0,2: 21:[7, 6, 18] Operation: 50-32=18 Moving to Node #0,2 Current State: 21:[7, 6, 18], Operations: ['50-32=18'] Exploring Operation: 6+18=24, Resulting Numbers: [7, 24] Generated Node #0,2,0: 21:[7, 24] Operation: 6+18=24 Exploring Operation: 18/6=3, Resulting Numbers: [7, 3] Generated Node #0,2,1: 21:[7, 3] Operation: 18/6=3 Exploring Operation: 7-6=1, Resulting Numbers: [18, 1] Generated Node #0,2,2: 21:[18, 1] Operation: 7-6=1 Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 21:[7, 3], Operations: ['50-32=18', '18/6=3'] Exploring Operation: 7-3=4, Resulting Numbers: [4] 4,21 unequal: No Solution Exploring Operation: 7+3=10, Resulting Numbers: [10] 10,21 unequal: No Solution Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Moving to Node #0 Current State: 21:[50, 32, 7, 6], Operations: [] Exploring Operation: 50-32=18, Resulting Numbers: [7, 6, 18] Generated Node #0,2: 21:[7, 6, 18] Operation: 50-32=18 Moving to Node #0,2 Current State: 21:[7, 6, 18], Operations: ['50-32=18'] Exploring Operation: 18/6=3, Resulting Numbers: [7, 3] Generated Node #0,2,1: 21:[7, 3] Operation: 18/6=3 Moving to Node #0,2,1 Current State: 21:[7, 3], Operations: ['50-32=18', '18/6=3'] Exploring Operation: 7*3=21, Resulting Numbers: [21] 21,21 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 74, 84, 13, 71 ]
48
[ "84-74=10", "71-13=58", "58-10=48" ]
Current State: 48:[74, 84, 13, 71], Operations: [] Exploring Operation: 84-74=10, Resulting Numbers: [13, 71, 10] Generated Node #2: [13, 71, 10] from Operation: 84-74=10 Current State: 48:[13, 71, 10], Operations: ['84-74=10'] Exploring Operation: 71-13=58, Resulting Numbers: [10, 58] Generated Node #3: [10, 58] from Operation: 71-13=58 Current State: 48:[10, 58], Operations: ['84-74=10', '71-13=58'] Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,48 equal: Goal Reached
4
Current State: 48:[74, 84, 13, 71], Operations: [] Exploring Operation: 74-71=3, Resulting Numbers: [84, 13, 3] Generated Node #0,0: 48:[84, 13, 3] Operation: 74-71=3 Exploring Operation: 74-13=61, Resulting Numbers: [84, 71, 61] Generated Node #0,1: 48:[84, 71, 61] Operation: 74-13=61 Exploring Operation: 84-74=10, Resulting Numbers: [13, 71, 10] Generated Node #0,2: 48:[13, 71, 10] Operation: 84-74=10 Exploring Operation: 84-71=13, Resulting Numbers: [74, 13, 13] Generated Node #0,3: 48:[74, 13, 13] Operation: 84-71=13 Start Sub Search at level 1: Moving to Node #0,2 Current State: 48:[13, 71, 10], Operations: ['84-74=10'] Exploring Operation: 71-10=61, Resulting Numbers: [13, 61] Generated Node #0,2,0: 48:[13, 61] Operation: 71-10=61 Exploring Operation: 13+10=23, Resulting Numbers: [71, 23] Generated Node #0,2,1: 48:[71, 23] Operation: 13+10=23 Exploring Operation: 13-10=3, Resulting Numbers: [71, 3] Generated Node #0,2,2: 48:[71, 3] Operation: 13-10=3 Exploring Operation: 71-13=58, Resulting Numbers: [10, 58] Generated Node #0,2,3: 48:[10, 58] Operation: 71-13=58 Moving to Node #0,2,3 Current State: 48:[10, 58], Operations: ['84-74=10', '71-13=58'] Exploring Operation: 10+58=68, Resulting Numbers: [68] 68,48 unequal: No Solution Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Moving to Node #0 Current State: 48:[74, 84, 13, 71], Operations: [] Exploring Operation: 84-74=10, Resulting Numbers: [13, 71, 10] Generated Node #0,2: 48:[13, 71, 10] Operation: 84-74=10 Moving to Node #0,2 Current State: 48:[13, 71, 10], Operations: ['84-74=10'] Exploring Operation: 71-13=58, Resulting Numbers: [10, 58] Generated Node #0,2,3: 48:[10, 58] Operation: 71-13=58 Moving to Node #0,2,3 Current State: 48:[10, 58], Operations: ['84-74=10', '71-13=58'] Exploring Operation: 58-10=48, Resulting Numbers: [48] 48,48 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_4
mult_heuristic
[ 90, 54, 99, 50 ]
85
[ "90-54=36", "99-50=49", "36+49=85" ]
Current State: 85:[90, 54, 99, 50], Operations: [] Exploring Operation: 90-54=36, Resulting Numbers: [99, 50, 36] Generated Node #2: [99, 50, 36] from Operation: 90-54=36 Current State: 85:[99, 50, 36], Operations: ['90-54=36'] Exploring Operation: 99-50=49, Resulting Numbers: [36, 49] Generated Node #3: [36, 49] from Operation: 99-50=49 Current State: 85:[36, 49], Operations: ['90-54=36', '99-50=49'] Exploring Operation: 36+49=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[90, 54, 99, 50], Operations: [] Exploring Operation: 90-54=36, Resulting Numbers: [99, 50, 36] Generated Node #0,0: 85:[99, 50, 36] Operation: 90-54=36 Exploring Operation: 54-50=4, Resulting Numbers: [90, 99, 4] Generated Node #0,1: 85:[90, 99, 4] Operation: 54-50=4 Exploring Operation: 54+50=104, Resulting Numbers: [90, 99, 104] Generated Node #0,2: 85:[90, 99, 104] Operation: 54+50=104 Moving to Node #0,1 Current State: 85:[90, 99, 4], Operations: ['54-50=4'] Exploring Operation: 90-4=86, Resulting Numbers: [99, 86] Generated Node #0,1,0: 85:[99, 86] Operation: 90-4=86 Exploring Operation: 99-4=95, Resulting Numbers: [90, 95] Generated Node #0,1,1: 85:[90, 95] Operation: 99-4=95 Exploring Operation: 99-90=9, Resulting Numbers: [4, 9] Generated Node #0,1,2: 85:[4, 9] Operation: 99-90=9 Moving to Node #0,2 Current State: 85:[90, 99, 104], Operations: ['54+50=104'] Exploring Operation: 99-90=9, Resulting Numbers: [104, 9] Generated Node #0,2,0: 85:[104, 9] Operation: 99-90=9 Exploring Operation: 104-99=5, Resulting Numbers: [90, 5] Generated Node #0,2,1: 85:[90, 5] Operation: 104-99=5 Exploring Operation: 104-90=14, Resulting Numbers: [99, 14] Generated Node #0,2,2: 85:[99, 14] Operation: 104-90=14 Moving to Node #0,0 Current State: 85:[99, 50, 36], Operations: ['90-54=36'] Exploring Operation: 50-36=14, Resulting Numbers: [99, 14] Generated Node #0,0,0: 85:[99, 14] Operation: 50-36=14 Exploring Operation: 50+36=86, Resulting Numbers: [99, 86] Generated Node #0,0,1: 85:[99, 86] Operation: 50+36=86 Exploring Operation: 99-50=49, Resulting Numbers: [36, 49] Generated Node #0,0,2: 85:[36, 49] Operation: 99-50=49 Moving to Node #0,1,2 Current State: 85:[4, 9], Operations: ['54-50=4', '99-90=9'] Exploring Operation: 9-4=5, Resulting Numbers: [5] 5,85 unequal: No Solution Exploring Operation: 4*9=36, Resulting Numbers: [36] 36,85 unequal: No Solution Exploring Operation: 4+9=13, Resulting Numbers: [13] 13,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[90, 5], Operations: ['54+50=104', '104-99=5'] Exploring Operation: 90/5=18, Resulting Numbers: [18] 18,85 unequal: No Solution Exploring Operation: 90+5=95, Resulting Numbers: [95] 95,85 unequal: No Solution Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached Moving to Node #0 Current State: 85:[90, 54, 99, 50], Operations: [] Exploring Operation: 54+50=104, Resulting Numbers: [90, 99, 104] Generated Node #0,2: 85:[90, 99, 104] Operation: 54+50=104 Moving to Node #0,2 Current State: 85:[90, 99, 104], Operations: ['54+50=104'] Exploring Operation: 104-99=5, Resulting Numbers: [90, 5] Generated Node #0,2,1: 85:[90, 5] Operation: 104-99=5 Moving to Node #0,2,1 Current State: 85:[90, 5], Operations: ['54+50=104', '104-99=5'] Exploring Operation: 90-5=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
0.980903
hs_3
sum_heuristic
[ 92, 24, 48, 24 ]
90
[ "92*24=2208", "2208-48=2160", "2160/24=90" ]
Current State: 90:[92, 24, 48, 24], Operations: [] Exploring Operation: 92*24=2208, Resulting Numbers: [48, 2208] Generated Node #2: [48, 2208] from Operation: 92*24=2208 Current State: 90:[48, 2208], Operations: ['92*24=2208'] Exploring Operation: 2208-48=2160, Resulting Numbers: [2160] 2160,90 equal: Goal Reached Exploring Operation: 2160/24=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[92, 24, 48, 24], Operations: [] Exploring Operation: 24/24=1, Resulting Numbers: [92, 48, 1] Generated Node #0,0: 90:[92, 48, 1] Operation: 24/24=1 Exploring Operation: 24-24=0, Resulting Numbers: [92, 48, 0] Generated Node #0,1: 90:[92, 48, 0] Operation: 24-24=0 Exploring Operation: 48/24=2, Resulting Numbers: [92, 24, 2] Generated Node #0,2: 90:[92, 24, 2] Operation: 48/24=2 Moving to Node #0,0 Current State: 90:[92, 48, 1], Operations: ['24/24=1'] Exploring Operation: 92-1=91, Resulting Numbers: [48, 91] Generated Node #0,0,0: 90:[48, 91] Operation: 92-1=91 Exploring Operation: 92-48=44, Resulting Numbers: [1, 44] Generated Node #0,0,1: 90:[1, 44] Operation: 92-48=44 Exploring Operation: 48-1=47, Resulting Numbers: [92, 47] Generated Node #0,0,2: 90:[92, 47] Operation: 48-1=47 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 90:[1, 44], Operations: ['24/24=1', '92-48=44'] Exploring Operation: 1+44=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 1*44=44, Resulting Numbers: [44] 44,90 unequal: No Solution Exploring Operation: 44/1=44, Resulting Numbers: [44] 44,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 90:[48, 91], Operations: ['24/24=1', '92-1=91'] Exploring Operation: 48+91=139, Resulting Numbers: [139] 139,90 unequal: No Solution Exploring Operation: 91-48=43, Resulting Numbers: [43] 43,90 unequal: No Solution Exploring Operation: 48*91=4368, Resulting Numbers: [4368] 4368,90 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 90:[92, 47], Operations: ['24/24=1', '48-1=47'] Exploring Operation: 92*47=4324, Resulting Numbers: [4324] 4324,90 unequal: No Solution Exploring Operation: 92-47=45, Resulting Numbers: [45] 45,90 unequal: No Solution Exploring Operation: 92+47=139, Resulting Numbers: [139] 139,90 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: 90:[92, 48, 0], Operations: ['24-24=0'] Exploring Operation: 92+0=92, Resulting Numbers: [48, 92] Generated Node #0,1,0: 90:[48, 92] Operation: 92+0=92 Exploring Operation: 92-48=44, Resulting Numbers: [0, 44] Generated Node #0,1,1: 90:[0, 44] Operation: 92-48=44 Exploring Operation: 48*0=0, Resulting Numbers: [92, 0] Generated Node #0,1,2: 90:[92, 0] Operation: 48*0=0 Moving to Node #0,2 Current State: 90:[92, 24, 2], Operations: ['48/24=2'] Exploring Operation: 24*2=48, Resulting Numbers: [92, 48] Generated Node #0,2,0: 90:[92, 48] Operation: 24*2=48 Exploring Operation: 24/2=12, Resulting Numbers: [92, 12] Generated Node #0,2,1: 90:[92, 12] Operation: 24/2=12 Exploring Operation: 92-2=90, Resulting Numbers: [24, 90] Generated Node #0,2,2: 90:[24, 90] Operation: 92-2=90 Moving to Node #0,1,1 Current State: 90:[0, 44], Operations: ['24-24=0', '92-48=44'] Exploring Operation: 44-0=44, Resulting Numbers: [44] 44,90 unequal: No Solution Exploring Operation: 0*44=0, Resulting Numbers: [0] 0,90 unequal: No Solution Exploring Operation: 0+44=44, Resulting Numbers: [44] 44,90 unequal: No Solution Moving to Node #0,1,2 Current State: 90:[92, 0], Operations: ['24-24=0', '48*0=0'] Exploring Operation: 92+0=92, Resulting Numbers: [92] 92,90 unequal: No Solution Exploring Operation: 92-0=92, Resulting Numbers: [92] 92,90 unequal: No Solution Exploring Operation: 92*0=0, Resulting Numbers: [0] 0,90 unequal: No Solution Moving to Node #0,2,1 Current State: 90:[92, 12], Operations: ['48/24=2', '24/2=12'] Exploring Operation: 92*12=1104, Resulting Numbers: [1104] 1104,90 unequal: No Solution Exploring Operation: 92-12=80, Resulting Numbers: [80] 80,90 unequal: No Solution Exploring Operation: 92+12=104, Resulting Numbers: [104] 104,90 unequal: No Solution Moving to Node #0,1,0 Current State: 90:[48, 92], Operations: ['24-24=0', '92+0=92'] Exploring Operation: 48*92=4416, Resulting Numbers: [4416] 4416,90 unequal: No Solution Exploring Operation: 92-48=44, Resulting Numbers: [44] 44,90 unequal: No Solution Exploring Operation: 48+92=140, Resulting Numbers: [140] 140,90 unequal: No Solution Moving to Node #0,2,0 Current State: 90:[92, 48], Operations: ['48/24=2', '24*2=48'] Exploring Operation: 92+48=140, Resulting Numbers: [140] 140,90 unequal: No Solution Exploring Operation: 92*48=4416, Resulting Numbers: [4416] 4416,90 unequal: No Solution Exploring Operation: 92-48=44, Resulting Numbers: [44] 44,90 unequal: No Solution Moving to Node #0,2,2 Current State: 90:[24, 90], Operations: ['48/24=2', '92-2=90'] Exploring Operation: 90-24=66, Resulting Numbers: [66] 66,90 unequal: No Solution Exploring Operation: 24*90=2160, Resulting Numbers: [2160] 2160,90 unequal: No Solution Exploring Operation: 24+90=114, Resulting Numbers: [114] 114,90 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 44, 60, 67, 13 ]
50
[ "44+60=104", "67-13=54", "104-54=50" ]
Current State: 50:[44, 60, 67, 13], Operations: [] Exploring Operation: 44+60=104, Resulting Numbers: [67, 13, 104] Generated Node #2: [67, 13, 104] from Operation: 44+60=104 Current State: 50:[67, 13, 104], Operations: ['44+60=104'] Exploring Operation: 67-13=54, Resulting Numbers: [104, 54] Generated Node #3: [104, 54] from Operation: 67-13=54 Current State: 50:[104, 54], Operations: ['44+60=104', '67-13=54'] Exploring Operation: 104-54=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[44, 60, 67, 13], Operations: [] Exploring Operation: 67-60=7, Resulting Numbers: [44, 13, 7] Generated Node #0,0: 50:[44, 13, 7] Operation: 67-60=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 50:[44, 13, 7], Operations: ['67-60=7'] Exploring Operation: 44+7=51, Resulting Numbers: [13, 51] Generated Node #0,0,0: 50:[13, 51] Operation: 44+7=51 Moving to Node #0,0,0 Current State: 50:[13, 51], Operations: ['67-60=7', '44+7=51'] Exploring Operation: 51-13=38, Resulting Numbers: [38] 38,50 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
[ 35, 70, 85, 94 ]
11
[ "70/35=2", "94-85=9", "2+9=11" ]
Current State: 11:[35, 70, 85, 94], Operations: [] Exploring Operation: 70/35=2, Resulting Numbers: [85, 94, 2] Generated Node #2: [85, 94, 2] from Operation: 70/35=2 Current State: 11:[85, 94, 2], Operations: ['70/35=2'] Exploring Operation: 94-85=9, Resulting Numbers: [2, 9] Generated Node #3: [2, 9] from Operation: 94-85=9 Current State: 11:[2, 9], Operations: ['70/35=2', '94-85=9'] Exploring Operation: 2+9=11, Resulting Numbers: [11] 11,11 equal: Goal Reached
4
Current State: 11:[35, 70, 85, 94], Operations: [] Exploring Operation: 85-70=15, Resulting Numbers: [35, 94, 15] Generated Node #0,0: 11:[35, 94, 15] Operation: 85-70=15 Exploring Operation: 94-85=9, Resulting Numbers: [35, 70, 9] Generated Node #0,1: 11:[35, 70, 9] Operation: 94-85=9 Start Sub Search at level 1: Moving to Node #0,1 Current State: 11:[35, 70, 9], Operations: ['94-85=9'] Exploring Operation: 70/35=2, Resulting Numbers: [9, 2] Generated Node #0,1,0: 11:[9, 2] Operation: 70/35=2 Exploring Operation: 70-35=35, Resulting Numbers: [9, 35] Generated Node #0,1,1: 11:[9, 35] Operation: 70-35=35 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 11:[9, 2], Operations: ['94-85=9', '70/35=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Moving to Node #0 Current State: 11:[35, 70, 85, 94], Operations: [] Exploring Operation: 94-85=9, Resulting Numbers: [35, 70, 9] Generated Node #0,1: 11:[35, 70, 9] Operation: 94-85=9 Moving to Node #0,1 Current State: 11:[35, 70, 9], Operations: ['94-85=9'] Exploring Operation: 70/35=2, Resulting Numbers: [9, 2] Generated Node #0,1,0: 11:[9, 2] Operation: 70/35=2 Moving to Node #0,1,0 Current State: 11:[9, 2], Operations: ['94-85=9', '70/35=2'] Exploring Operation: 9+2=11, Resulting Numbers: [11] 11,11 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.992188
hs_2
mult_heuristic
[ 71, 22, 17, 52 ]
95
[ "71-52=19", "22-17=5", "19*5=95" ]
Current State: 95:[71, 22, 17, 52], Operations: [] Exploring Operation: 71-52=19, Resulting Numbers: [22, 17, 19] Generated Node #2: [22, 17, 19] from Operation: 71-52=19 Current State: 95:[22, 17, 19], Operations: ['71-52=19'] Exploring Operation: 22-17=5, Resulting Numbers: [19, 5] Generated Node #3: [19, 5] from Operation: 22-17=5 Current State: 95:[19, 5], Operations: ['71-52=19', '22-17=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
4
Current State: 95:[71, 22, 17, 52], Operations: [] Exploring Operation: 71+52=123, Resulting Numbers: [22, 17, 123] Generated Node #0,0: 95:[22, 17, 123] Operation: 71+52=123 Exploring Operation: 71+22=93, Resulting Numbers: [17, 52, 93] Generated Node #0,1: 95:[17, 52, 93] Operation: 71+22=93 Exploring Operation: 71-52=19, Resulting Numbers: [22, 17, 19] Generated Node #0,2: 95:[22, 17, 19] Operation: 71-52=19 Moving to Node #0,2 Current State: 95:[22, 17, 19], Operations: ['71-52=19'] Exploring Operation: 19-17=2, Resulting Numbers: [22, 2] Generated Node #0,2,0: 95:[22, 2] Operation: 19-17=2 Exploring Operation: 22-17=5, Resulting Numbers: [19, 5] Generated Node #0,2,1: 95:[19, 5] Operation: 22-17=5 Exploring Operation: 22-19=3, Resulting Numbers: [17, 3] Generated Node #0,2,2: 95:[17, 3] Operation: 22-19=3 Moving to Node #0,0 Current State: 95:[22, 17, 123], Operations: ['71+52=123'] Exploring Operation: 123-17=106, Resulting Numbers: [22, 106] Generated Node #0,0,0: 95:[22, 106] Operation: 123-17=106 Exploring Operation: 123-22=101, Resulting Numbers: [17, 101] Generated Node #0,0,1: 95:[17, 101] Operation: 123-22=101 Exploring Operation: 22-17=5, Resulting Numbers: [123, 5] Generated Node #0,0,2: 95:[123, 5] Operation: 22-17=5 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 95:[17, 101], Operations: ['71+52=123', '123-22=101'] Exploring Operation: 17+101=118, Resulting Numbers: [118] 118,95 unequal: No Solution Exploring Operation: 17*101=1717, Resulting Numbers: [1717] 1717,95 unequal: No Solution Exploring Operation: 101-17=84, Resulting Numbers: [84] 84,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 95:[22, 106], Operations: ['71+52=123', '123-17=106'] Exploring Operation: 22*106=2332, Resulting Numbers: [2332] 2332,95 unequal: No Solution Exploring Operation: 106-22=84, Resulting Numbers: [84] 84,95 unequal: No Solution Exploring Operation: 22+106=128, Resulting Numbers: [128] 128,95 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 95:[123, 5], Operations: ['71+52=123', '22-17=5'] Exploring Operation: 123-5=118, Resulting Numbers: [118] 118,95 unequal: No Solution Exploring Operation: 123*5=615, Resulting Numbers: [615] 615,95 unequal: No Solution Exploring Operation: 123+5=128, Resulting Numbers: [128] 128,95 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: 95:[17, 52, 93], Operations: ['71+22=93'] Exploring Operation: 52-17=35, Resulting Numbers: [93, 35] Generated Node #0,1,0: 95:[93, 35] Operation: 52-17=35 Exploring Operation: 17+52=69, Resulting Numbers: [93, 69] Generated Node #0,1,1: 95:[93, 69] Operation: 17+52=69 Exploring Operation: 93-52=41, Resulting Numbers: [17, 41] Generated Node #0,1,2: 95:[17, 41] Operation: 93-52=41 Moving to Node #0,2,1 Current State: 95:[19, 5], Operations: ['71-52=19', '22-17=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached Moving to Node #0 Current State: 95:[71, 22, 17, 52], Operations: [] Exploring Operation: 71-52=19, Resulting Numbers: [22, 17, 19] Generated Node #0,2: 95:[22, 17, 19] Operation: 71-52=19 Moving to Node #0,2 Current State: 95:[22, 17, 19], Operations: ['71-52=19'] Exploring Operation: 22-17=5, Resulting Numbers: [19, 5] Generated Node #0,2,1: 95:[19, 5] Operation: 22-17=5 Moving to Node #0,2,1 Current State: 95:[19, 5], Operations: ['71-52=19', '22-17=5'] Exploring Operation: 19*5=95, Resulting Numbers: [95] 95,95 equal: Goal Reached
0.977431
hs_3
mult_heuristic
[ 3, 52, 24, 14 ]
70
[ "3*14=42", "52-24=28", "42+28=70" ]
Current State: 70:[3, 52, 24, 14], Operations: [] Exploring Operation: 3*14=42, Resulting Numbers: [52, 24, 42] Generated Node #2: [52, 24, 42] from Operation: 3*14=42 Current State: 70:[52, 24, 42], Operations: ['3*14=42'] Exploring Operation: 52-24=28, Resulting Numbers: [42, 28] Generated Node #3: [42, 28] from Operation: 52-24=28 Current State: 70:[42, 28], Operations: ['3*14=42', '52-24=28'] Exploring Operation: 42+28=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[3, 52, 24, 14], Operations: [] Exploring Operation: 52+24=76, Resulting Numbers: [3, 14, 76] Generated Node #0,0: 70:[3, 14, 76] Operation: 52+24=76 Moving to Node #0,0 Current State: 70:[3, 14, 76], Operations: ['52+24=76'] Exploring Operation: 76-3=73, Resulting Numbers: [14, 73] Generated Node #0,0,0: 70:[14, 73] Operation: 76-3=73 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 70:[14, 73], Operations: ['52+24=76', '76-3=73'] Exploring Operation: 73-14=59, Resulting Numbers: [59] 59,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 55, 60, 72, 68 ]
70
[ "72-68=4", "60/4=15", "55+15=70" ]
Current State: 70:[55, 60, 72, 68], Operations: [] Exploring Operation: 72-68=4, Resulting Numbers: [55, 60, 4] Generated Node #2: [55, 60, 4] from Operation: 72-68=4 Current State: 70:[55, 60, 4], Operations: ['72-68=4'] Exploring Operation: 60/4=15, Resulting Numbers: [55, 15] Generated Node #3: [55, 15] from Operation: 60/4=15 Current State: 70:[55, 15], Operations: ['72-68=4', '60/4=15'] Exploring Operation: 55+15=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[55, 60, 72, 68], Operations: [] Exploring Operation: 68-60=8, Resulting Numbers: [55, 72, 8] Generated Node #0,0: 70:[55, 72, 8] Operation: 68-60=8 Exploring Operation: 72-55=17, Resulting Numbers: [60, 68, 17] Generated Node #0,1: 70:[60, 68, 17] Operation: 72-55=17 Exploring Operation: 60-55=5, Resulting Numbers: [72, 68, 5] Generated Node #0,2: 70:[72, 68, 5] Operation: 60-55=5 Exploring Operation: 68-55=13, Resulting Numbers: [60, 72, 13] Generated Node #0,3: 70:[60, 72, 13] Operation: 68-55=13 Moving to Node #0,2 Current State: 70:[72, 68, 5], Operations: ['60-55=5'] Exploring Operation: 72+5=77, Resulting Numbers: [68, 77] Generated Node #0,2,0: 70:[68, 77] Operation: 72+5=77 Exploring Operation: 68+5=73, Resulting Numbers: [72, 73] Generated Node #0,2,1: 70:[72, 73] Operation: 68+5=73 Exploring Operation: 72-68=4, Resulting Numbers: [5, 4] Generated Node #0,2,2: 70:[5, 4] Operation: 72-68=4 Exploring Operation: 72-5=67, Resulting Numbers: [68, 67] Generated Node #0,2,3: 70:[68, 67] Operation: 72-5=67 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 70:[5, 4], Operations: ['60-55=5', '72-68=4'] Exploring Operation: 5+4=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 5*4=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 5-4=1, Resulting Numbers: [1] 1,70 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 #0,2,1 Current State: 70:[72, 73], Operations: ['60-55=5', '68+5=73'] Exploring Operation: 72*73=5256, Resulting Numbers: [5256] 5256,70 unequal: No Solution Exploring Operation: 72+73=145, Resulting Numbers: [145] 145,70 unequal: No Solution Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,70 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 #0,2,3 Current State: 70:[68, 67], Operations: ['60-55=5', '72-5=67'] Exploring Operation: 68*67=4556, Resulting Numbers: [4556] 4556,70 unequal: No Solution Exploring Operation: 68-67=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 68+67=135, Resulting Numbers: [135] 135,70 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 #0,2,0 Current State: 70:[68, 77], Operations: ['60-55=5', '72+5=77'] Exploring Operation: 77-68=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 68*77=5236, Resulting Numbers: [5236] 5236,70 unequal: No Solution Exploring Operation: 68+77=145, Resulting Numbers: [145] 145,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,3 Current State: 70:[60, 72, 13], Operations: ['68-55=13'] Exploring Operation: 60+13=73, Resulting Numbers: [72, 73] Generated Node #0,3,0: 70:[72, 73] Operation: 60+13=73 Exploring Operation: 72-13=59, Resulting Numbers: [60, 59] Generated Node #0,3,1: 70:[60, 59] Operation: 72-13=59 Exploring Operation: 60-13=47, Resulting Numbers: [72, 47] Generated Node #0,3,2: 70:[72, 47] Operation: 60-13=47 Exploring Operation: 72-60=12, Resulting Numbers: [13, 12] Generated Node #0,3,3: 70:[13, 12] Operation: 72-60=12 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 70:[13, 12], Operations: ['68-55=13', '72-60=12'] Exploring Operation: 13+12=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 13*12=156, Resulting Numbers: [156] 156,70 unequal: No Solution Exploring Operation: 13-12=1, Resulting Numbers: [1] 1,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 70:[72, 73], Operations: ['68-55=13', '60+13=73'] Exploring Operation: 72+73=145, Resulting Numbers: [145] 145,70 unequal: No Solution Exploring Operation: 73-72=1, Resulting Numbers: [1] 1,70 unequal: No Solution Exploring Operation: 72*73=5256, Resulting Numbers: [5256] 5256,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,2 Current State: 70:[72, 47], Operations: ['68-55=13', '60-13=47'] Exploring Operation: 72*47=3384, Resulting Numbers: [3384] 3384,70 unequal: No Solution Exploring Operation: 72+47=119, Resulting Numbers: [119] 119,70 unequal: No Solution Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3,1 Current State: 70:[60, 59], Operations: ['68-55=13', '72-13=59'] Exploring Operation: 60+59=119, Resulting Numbers: [119] 119,70 unequal: No Solution Exploring Operation: 60*59=3540, Resulting Numbers: [3540] 3540,70 unequal: No Solution Exploring Operation: 60-59=1, Resulting Numbers: [1] 1,70 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: 70:[60, 68, 17], Operations: ['72-55=17'] Exploring Operation: 68/17=4, Resulting Numbers: [60, 4] Generated Node #0,1,0: 70:[60, 4] Operation: 68/17=4 Exploring Operation: 68-60=8, Resulting Numbers: [17, 8] Generated Node #0,1,1: 70:[17, 8] Operation: 68-60=8 Exploring Operation: 60-17=43, Resulting Numbers: [68, 43] Generated Node #0,1,2: 70:[68, 43] Operation: 60-17=43 Exploring Operation: 60+17=77, Resulting Numbers: [68, 77] Generated Node #0,1,3: 70:[68, 77] Operation: 60+17=77 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 70:[17, 8], Operations: ['72-55=17', '68-60=8'] Exploring Operation: 17+8=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 17*8=136, Resulting Numbers: [136] 136,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 70:[68, 77], Operations: ['72-55=17', '60+17=77'] Exploring Operation: 68+77=145, Resulting Numbers: [145] 145,70 unequal: No Solution Exploring Operation: 68*77=5236, Resulting Numbers: [5236] 5236,70 unequal: No Solution Exploring Operation: 77-68=9, Resulting Numbers: [9] 9,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 70:[68, 43], Operations: ['72-55=17', '60-17=43'] Exploring Operation: 68-43=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 68*43=2924, Resulting Numbers: [2924] 2924,70 unequal: No Solution Exploring Operation: 68+43=111, Resulting Numbers: [111] 111,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 70:[60, 4], Operations: ['72-55=17', '68/17=4'] Exploring Operation: 60+4=64, Resulting Numbers: [64] 64,70 unequal: No Solution Exploring Operation: 60/4=15, Resulting Numbers: [15] 15,70 unequal: No Solution Exploring Operation: 60*4=240, Resulting Numbers: [240] 240,70 unequal: No Solution Exploring Operation: 60-4=56, Resulting Numbers: [56] 56,70 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 70:[55, 72, 8], Operations: ['68-60=8'] Exploring Operation: 72/8=9, Resulting Numbers: [55, 9] Generated Node #0,0,0: 70:[55, 9] Operation: 72/8=9 Exploring Operation: 55+8=63, Resulting Numbers: [72, 63] Generated Node #0,0,1: 70:[72, 63] Operation: 55+8=63 Exploring Operation: 55-8=47, Resulting Numbers: [72, 47] Generated Node #0,0,2: 70:[72, 47] Operation: 55-8=47 Exploring Operation: 72-55=17, Resulting Numbers: [8, 17] Generated Node #0,0,3: 70:[8, 17] Operation: 72-55=17 Moving to Node #0,0,3 Current State: 70:[8, 17], Operations: ['68-60=8', '72-55=17'] Exploring Operation: 8*17=136, Resulting Numbers: [136] 136,70 unequal: No Solution Exploring Operation: 17-8=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 8+17=25, Resulting Numbers: [25] 25,70 unequal: No Solution Moving to Node #0,0,1 Current State: 70:[72, 63], Operations: ['68-60=8', '55+8=63'] Exploring Operation: 72*63=4536, Resulting Numbers: [4536] 4536,70 unequal: No Solution Exploring Operation: 72-63=9, Resulting Numbers: [9] 9,70 unequal: No Solution Exploring Operation: 72+63=135, Resulting Numbers: [135] 135,70 unequal: No Solution Moving to Node #0,0,2 Current State: 70:[72, 47], Operations: ['68-60=8', '55-8=47'] Exploring Operation: 72-47=25, Resulting Numbers: [25] 25,70 unequal: No Solution Exploring Operation: 72*47=3384, Resulting Numbers: [3384] 3384,70 unequal: No Solution Exploring Operation: 72+47=119, Resulting Numbers: [119] 119,70 unequal: No Solution Moving to Node #0,0,0 Current State: 70:[55, 9], Operations: ['68-60=8', '72/8=9'] Exploring Operation: 55-9=46, Resulting Numbers: [46] 46,70 unequal: No Solution Exploring Operation: 55*9=495, Resulting Numbers: [495] 495,70 unequal: No Solution Exploring Operation: 55+9=64, Resulting Numbers: [64] 64,70 unequal: No Solution No solution found.
0
hs_4
mult_heuristic
[ 52, 57, 4, 11 ]
49
[ "57-52=5", "4*11=44", "5+44=49" ]
Current State: 49:[52, 57, 4, 11], Operations: [] Exploring Operation: 57-52=5, Resulting Numbers: [4, 11, 5] Generated Node #2: [4, 11, 5] from Operation: 57-52=5 Current State: 49:[4, 11, 5], Operations: ['57-52=5'] Exploring Operation: 4*11=44, Resulting Numbers: [5, 44] Generated Node #3: [5, 44] from Operation: 4*11=44 Current State: 49:[5, 44], Operations: ['57-52=5', '4*11=44'] Exploring Operation: 5+44=49, Resulting Numbers: [49] 49,49 equal: Goal Reached
4
Current State: 49:[52, 57, 4, 11], Operations: [] Exploring Operation: 57-4=53, Resulting Numbers: [52, 11, 53] Generated Node #0,0: 49:[52, 11, 53] Operation: 57-4=53 Exploring Operation: 57-11=46, Resulting Numbers: [52, 4, 46] Generated Node #0,1: 49:[52, 4, 46] Operation: 57-11=46 Exploring Operation: 57-52=5, Resulting Numbers: [4, 11, 5] Generated Node #0,2: 49:[4, 11, 5] Operation: 57-52=5 Moving to Node #0,1 Current State: 49:[52, 4, 46], Operations: ['57-11=46'] Exploring Operation: 52-4=48, Resulting Numbers: [46, 48] Generated Node #0,1,0: 49:[46, 48] Operation: 52-4=48 Exploring Operation: 4+46=50, Resulting Numbers: [52, 50] Generated Node #0,1,1: 49:[52, 50] Operation: 4+46=50 Exploring Operation: 52-46=6, Resulting Numbers: [4, 6] Generated Node #0,1,2: 49:[4, 6] Operation: 52-46=6 Moving to Node #0,2 Current State: 49:[4, 11, 5], Operations: ['57-52=5'] Exploring Operation: 4+5=9, Resulting Numbers: [11, 9] Generated Node #0,2,0: 49:[11, 9] Operation: 4+5=9 Exploring Operation: 11-5=6, Resulting Numbers: [4, 6] Generated Node #0,2,1: 49:[4, 6] Operation: 11-5=6 Exploring Operation: 11-4=7, Resulting Numbers: [5, 7] Generated Node #0,2,2: 49:[5, 7] Operation: 11-4=7 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 49:[5, 7], Operations: ['57-52=5', '11-4=7'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 5+7=12, Resulting Numbers: [12] 12,49 unequal: No Solution Exploring Operation: 5*7=35, Resulting Numbers: [35] 35,49 unequal: No Solution No 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: 49:[4, 6], Operations: ['57-52=5', '11-5=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,49 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,49 unequal: No Solution No 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: 49:[11, 9], Operations: ['57-52=5', '4+5=9'] Exploring Operation: 11*9=99, Resulting Numbers: [99] 99,49 unequal: No Solution Exploring Operation: 11-9=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 11+9=20, Resulting Numbers: [20] 20,49 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: 49:[52, 11, 53], Operations: ['57-4=53'] Exploring Operation: 53-52=1, Resulting Numbers: [11, 1] Generated Node #0,0,0: 49:[11, 1] Operation: 53-52=1 Exploring Operation: 53-11=42, Resulting Numbers: [52, 42] Generated Node #0,0,1: 49:[52, 42] Operation: 53-11=42 Exploring Operation: 52-11=41, Resulting Numbers: [53, 41] Generated Node #0,0,2: 49:[53, 41] Operation: 52-11=41 Moving to Node #0,1,0 Current State: 49:[46, 48], Operations: ['57-11=46', '52-4=48'] Exploring Operation: 46+48=94, Resulting Numbers: [94] 94,49 unequal: No Solution Exploring Operation: 48-46=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 46*48=2208, Resulting Numbers: [2208] 2208,49 unequal: No Solution Moving to Node #0,1,2 Current State: 49:[4, 6], Operations: ['57-11=46', '52-46=6'] Exploring Operation: 6-4=2, Resulting Numbers: [2] 2,49 unequal: No Solution Exploring Operation: 4+6=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 4*6=24, Resulting Numbers: [24] 24,49 unequal: No Solution Moving to Node #0,1,1 Current State: 49:[52, 50], Operations: ['57-11=46', '4+46=50'] Exploring Operation: 52*50=2600, Resulting Numbers: [2600] 2600,49 unequal: No Solution Exploring Operation: 52+50=102, Resulting Numbers: [102] 102,49 unequal: No Solution Exploring Operation: 52-50=2, Resulting Numbers: [2] 2,49 unequal: No Solution Moving to Node #0,0,0 Current State: 49:[11, 1], Operations: ['57-4=53', '53-52=1'] Exploring Operation: 11-1=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 11/1=11, Resulting Numbers: [11] 11,49 unequal: No Solution Exploring Operation: 11*1=11, Resulting Numbers: [11] 11,49 unequal: No Solution Moving to Node #0,0,1 Current State: 49:[52, 42], Operations: ['57-4=53', '53-11=42'] Exploring Operation: 52-42=10, Resulting Numbers: [10] 10,49 unequal: No Solution Exploring Operation: 52*42=2184, Resulting Numbers: [2184] 2184,49 unequal: No Solution Exploring Operation: 52+42=94, Resulting Numbers: [94] 94,49 unequal: No Solution Moving to Node #0,0,2 Current State: 49:[53, 41], Operations: ['57-4=53', '52-11=41'] Exploring Operation: 53+41=94, Resulting Numbers: [94] 94,49 unequal: No Solution Exploring Operation: 53*41=2173, Resulting Numbers: [2173] 2173,49 unequal: No Solution Exploring Operation: 53-41=12, Resulting Numbers: [12] 12,49 unequal: No Solution No solution found.
0
hs_3
mult_heuristic
[ 91, 25, 36, 70 ]
40
[ "91-25=66", "36+70=106", "106-66=40" ]
Current State: 40:[91, 25, 36, 70], Operations: [] Exploring Operation: 91-25=66, Resulting Numbers: [36, 70, 66] Generated Node #2: [36, 70, 66] from Operation: 91-25=66 Current State: 40:[36, 70, 66], Operations: ['91-25=66'] Exploring Operation: 36+70=106, Resulting Numbers: [66, 106] Generated Node #3: [66, 106] from Operation: 36+70=106 Current State: 40:[66, 106], Operations: ['91-25=66', '36+70=106'] Exploring Operation: 106-66=40, Resulting Numbers: [40] 40,40 equal: Goal Reached
4
Current State: 40:[91, 25, 36, 70], Operations: [] Exploring Operation: 91-70=21, Resulting Numbers: [25, 36, 21] Generated Node #0,0: 40:[25, 36, 21] Operation: 91-70=21 Exploring Operation: 91-36=55, Resulting Numbers: [25, 70, 55] Generated Node #0,1: 40:[25, 70, 55] Operation: 91-36=55 Exploring Operation: 91-25=66, Resulting Numbers: [36, 70, 66] Generated Node #0,2: 40:[36, 70, 66] Operation: 91-25=66 Moving to Node #0,0 Current State: 40:[25, 36, 21], Operations: ['91-70=21'] Exploring Operation: 25-21=4, Resulting Numbers: [36, 4] Generated Node #0,0,0: 40:[36, 4] Operation: 25-21=4 Exploring Operation: 25+21=46, Resulting Numbers: [36, 46] Generated Node #0,0,1: 40:[36, 46] Operation: 25+21=46 Exploring Operation: 36-25=11, Resulting Numbers: [21, 11] Generated Node #0,0,2: 40:[21, 11] Operation: 36-25=11 Moving to Node #0,1 Current State: 40:[25, 70, 55], Operations: ['91-36=55'] Exploring Operation: 70-25=45, Resulting Numbers: [55, 45] Generated Node #0,1,0: 40:[55, 45] Operation: 70-25=45 Exploring Operation: 70-55=15, Resulting Numbers: [25, 15] Generated Node #0,1,1: 40:[25, 15] Operation: 70-55=15 Exploring Operation: 55-25=30, Resulting Numbers: [70, 30] Generated Node #0,1,2: 40:[70, 30] Operation: 55-25=30 Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 40:[25, 15], Operations: ['91-36=55', '70-55=15'] Exploring Operation: 25+15=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Moving to Node #0 Current State: 40:[91, 25, 36, 70], Operations: [] Exploring Operation: 91-36=55, Resulting Numbers: [25, 70, 55] Generated Node #0,1: 40:[25, 70, 55] Operation: 91-36=55 Moving to Node #0,1 Current State: 40:[25, 70, 55], Operations: ['91-36=55'] Exploring Operation: 70-55=15, Resulting Numbers: [25, 15] Generated Node #0,1,1: 40:[25, 15] Operation: 70-55=15 Moving to Node #0,1,1 Current State: 40:[25, 15], Operations: ['91-36=55', '70-55=15'] Exploring Operation: 25+15=40, Resulting Numbers: [40] 40,40 equal: Goal Reached Exit Sub Search at level 1
0.987847
hs_3
mult_heuristic
[ 98, 2, 44, 57 ]
30
[ "98-44=54", "54/2=27", "57-27=30" ]
Current State: 30:[98, 2, 44, 57], Operations: [] Exploring Operation: 98-44=54, Resulting Numbers: [2, 57, 54] Generated Node #2: [2, 57, 54] from Operation: 98-44=54 Current State: 30:[2, 57, 54], Operations: ['98-44=54'] Exploring Operation: 54/2=27, Resulting Numbers: [57, 27] Generated Node #3: [57, 27] from Operation: 54/2=27 Current State: 30:[57, 27], Operations: ['98-44=54', '54/2=27'] Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,30 equal: Goal Reached
4
Current State: 30:[98, 2, 44, 57], Operations: [] Exploring Operation: 57-44=13, Resulting Numbers: [98, 2, 13] Generated Node #0,0: 30:[98, 2, 13] Operation: 57-44=13 Exploring Operation: 98/2=49, Resulting Numbers: [44, 57, 49] Generated Node #0,1: 30:[44, 57, 49] Operation: 98/2=49 Exploring Operation: 98-44=54, Resulting Numbers: [2, 57, 54] Generated Node #0,2: 30:[2, 57, 54] Operation: 98-44=54 Exploring Operation: 44/2=22, Resulting Numbers: [98, 57, 22] Generated Node #0,3: 30:[98, 57, 22] Operation: 44/2=22 Exploring Operation: 98-57=41, Resulting Numbers: [2, 44, 41] Generated Node #0,4: 30:[2, 44, 41] Operation: 98-57=41 Start Sub Search at level 1: Moving to Node #0,4 Current State: 30:[2, 44, 41], Operations: ['98-57=41'] Exploring Operation: 44-2=42, Resulting Numbers: [41, 42] Generated Node #0,4,0: 30:[41, 42] Operation: 44-2=42 Exploring Operation: 44-41=3, Resulting Numbers: [2, 3] Generated Node #0,4,1: 30:[2, 3] Operation: 44-41=3 Exploring Operation: 44/2=22, Resulting Numbers: [41, 22] Generated Node #0,4,2: 30:[41, 22] Operation: 44/2=22 Exploring Operation: 41-2=39, Resulting Numbers: [44, 39] Generated Node #0,4,3: 30:[44, 39] Operation: 41-2=39 Exploring Operation: 2+44=46, Resulting Numbers: [41, 46] Generated Node #0,4,4: 30:[41, 46] Operation: 2+44=46 Start Sub Search at level 2: Moving to Node #0,4,1 Current State: 30:[2, 3], Operations: ['98-57=41', '44-41=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,30 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 30:[41, 22], Operations: ['98-57=41', '44/2=22'] Exploring Operation: 41+22=63, Resulting Numbers: [63] 63,30 unequal: No Solution Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,30 unequal: No Solution Exploring Operation: 41*22=902, Resulting Numbers: [902] 902,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,0 Current State: 30:[41, 42], Operations: ['98-57=41', '44-2=42'] Exploring Operation: 41*42=1722, Resulting Numbers: [1722] 1722,30 unequal: No Solution Exploring Operation: 42-41=1, Resulting Numbers: [1] 1,30 unequal: No Solution Exploring Operation: 41+42=83, Resulting Numbers: [83] 83,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,3 Current State: 30:[44, 39], Operations: ['98-57=41', '41-2=39'] Exploring Operation: 44*39=1716, Resulting Numbers: [1716] 1716,30 unequal: No Solution Exploring Operation: 44+39=83, Resulting Numbers: [83] 83,30 unequal: No Solution Exploring Operation: 44-39=5, Resulting Numbers: [5] 5,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,4,4 Current State: 30:[41, 46], Operations: ['98-57=41', '2+44=46'] Exploring Operation: 46-41=5, Resulting Numbers: [5] 5,30 unequal: No Solution Exploring Operation: 41*46=1886, Resulting Numbers: [1886] 1886,30 unequal: No Solution Exploring Operation: 41+46=87, Resulting Numbers: [87] 87,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 30:[2, 57, 54], Operations: ['98-44=54'] Exploring Operation: 2+57=59, Resulting Numbers: [54, 59] Generated Node #0,2,0: 30:[54, 59] Operation: 2+57=59 Exploring Operation: 54/2=27, Resulting Numbers: [57, 27] Generated Node #0,2,1: 30:[57, 27] Operation: 54/2=27 Exploring Operation: 57-54=3, Resulting Numbers: [2, 3] Generated Node #0,2,2: 30:[2, 3] Operation: 57-54=3 Exploring Operation: 54-2=52, Resulting Numbers: [57, 52] Generated Node #0,2,3: 30:[57, 52] Operation: 54-2=52 Exploring Operation: 57-2=55, Resulting Numbers: [54, 55] Generated Node #0,2,4: 30:[54, 55] Operation: 57-2=55 Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 30:[2, 3], Operations: ['98-44=54', '57-54=3'] Exploring Operation: 2*3=6, Resulting Numbers: [6] 6,30 unequal: No Solution Exploring Operation: 2+3=5, Resulting Numbers: [5] 5,30 unequal: No Solution Exploring Operation: 3-2=1, Resulting Numbers: [1] 1,30 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 30:[57, 27], Operations: ['98-44=54', '54/2=27'] Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Moving to Node #0 Current State: 30:[98, 2, 44, 57], Operations: [] Exploring Operation: 98-44=54, Resulting Numbers: [2, 57, 54] Generated Node #0,2: 30:[2, 57, 54] Operation: 98-44=54 Moving to Node #0,2 Current State: 30:[2, 57, 54], Operations: ['98-44=54'] Exploring Operation: 54/2=27, Resulting Numbers: [57, 27] Generated Node #0,2,1: 30:[57, 27] Operation: 54/2=27 Moving to Node #0,2,1 Current State: 30:[57, 27], Operations: ['98-44=54', '54/2=27'] Exploring Operation: 57-27=30, Resulting Numbers: [30] 30,30 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.967014
hs_5
mult_heuristic
[ 10, 37, 35, 41 ]
72
[ "37-35=2", "41*2=82", "82-10=72" ]
Current State: 72:[10, 37, 35, 41], Operations: [] Exploring Operation: 37-35=2, Resulting Numbers: [10, 41, 2] Generated Node #2: [10, 41, 2] from Operation: 37-35=2 Current State: 72:[10, 41, 2], Operations: ['37-35=2'] Exploring Operation: 41*2=82, Resulting Numbers: [10, 82] Generated Node #3: [10, 82] from Operation: 41*2=82 Current State: 72:[10, 82], Operations: ['37-35=2', '41*2=82'] Exploring Operation: 82-10=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[10, 37, 35, 41], Operations: [] Exploring Operation: 41-35=6, Resulting Numbers: [10, 37, 6] Generated Node #0,0: 72:[10, 37, 6] Operation: 41-35=6 Exploring Operation: 41-37=4, Resulting Numbers: [10, 35, 4] Generated Node #0,1: 72:[10, 35, 4] Operation: 41-37=4 Exploring Operation: 37+35=72, Resulting Numbers: [10, 41, 72] Generated Node #0,2: 72:[10, 41, 72] Operation: 37+35=72 Exploring Operation: 35+41=76, Resulting Numbers: [10, 37, 76] Generated Node #0,3: 72:[10, 37, 76] Operation: 35+41=76 Exploring Operation: 37-35=2, Resulting Numbers: [10, 41, 2] Generated Node #0,4: 72:[10, 41, 2] Operation: 37-35=2 Start Sub Search at level 1: Moving to Node #0,0 Current State: 72:[10, 37, 6], Operations: ['41-35=6'] Exploring Operation: 37-6=31, Resulting Numbers: [10, 31] Generated Node #0,0,0: 72:[10, 31] Operation: 37-6=31 Exploring Operation: 37+6=43, Resulting Numbers: [10, 43] Generated Node #0,0,1: 72:[10, 43] Operation: 37+6=43 Exploring Operation: 37-10=27, Resulting Numbers: [6, 27] Generated Node #0,0,2: 72:[6, 27] Operation: 37-10=27 Exploring Operation: 10+6=16, Resulting Numbers: [37, 16] Generated Node #0,0,3: 72:[37, 16] Operation: 10+6=16 Exploring Operation: 10-6=4, Resulting Numbers: [37, 4] Generated Node #0,0,4: 72:[37, 4] Operation: 10-6=4 Start Sub Search at level 2: Moving to Node #0,0,4 Current State: 72:[37, 4], Operations: ['41-35=6', '10-6=4'] Exploring Operation: 37+4=41, Resulting Numbers: [41] 41,72 unequal: No Solution Exploring Operation: 37-4=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 37*4=148, Resulting Numbers: [148] 148,72 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 #0,0,2 Current State: 72:[6, 27], Operations: ['41-35=6', '37-10=27'] Exploring Operation: 6*27=162, Resulting Numbers: [162] 162,72 unequal: No Solution Exploring Operation: 6+27=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,72 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 #0,0,3 Current State: 72:[37, 16], Operations: ['41-35=6', '10+6=16'] Exploring Operation: 37+16=53, Resulting Numbers: [53] 53,72 unequal: No Solution Exploring Operation: 37*16=592, Resulting Numbers: [592] 592,72 unequal: No Solution Exploring Operation: 37-16=21, Resulting Numbers: [21] 21,72 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 #0,0,0 Current State: 72:[10, 31], Operations: ['41-35=6', '37-6=31'] Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,72 unequal: No Solution Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,72 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,72 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 #0,0,1 Current State: 72:[10, 43], Operations: ['41-35=6', '37+6=43'] Exploring Operation: 43-10=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 10*43=430, Resulting Numbers: [430] 430,72 unequal: No Solution Exploring Operation: 10+43=53, Resulting Numbers: [53] 53,72 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 #0,1 Current State: 72:[10, 35, 4], Operations: ['41-37=4'] Exploring Operation: 10-4=6, Resulting Numbers: [35, 6] Generated Node #0,1,0: 72:[35, 6] Operation: 10-4=6 Exploring Operation: 10*4=40, Resulting Numbers: [35, 40] Generated Node #0,1,1: 72:[35, 40] Operation: 10*4=40 Exploring Operation: 35+4=39, Resulting Numbers: [10, 39] Generated Node #0,1,2: 72:[10, 39] Operation: 35+4=39 Exploring Operation: 35-10=25, Resulting Numbers: [4, 25] Generated Node #0,1,3: 72:[4, 25] Operation: 35-10=25 Exploring Operation: 10+4=14, Resulting Numbers: [35, 14] Generated Node #0,1,4: 72:[35, 14] Operation: 10+4=14 Moving to Node #0,1,0 Current State: 72:[35, 6], Operations: ['41-37=4', '10-4=6'] Exploring Operation: 35-6=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 35*6=210, Resulting Numbers: [210] 210,72 unequal: No Solution Exploring Operation: 35+6=41, Resulting Numbers: [41] 41,72 unequal: No Solution Moving to Node #0,1,3 Current State: 72:[4, 25], Operations: ['41-37=4', '35-10=25'] Exploring Operation: 4*25=100, Resulting Numbers: [100] 100,72 unequal: No Solution Exploring Operation: 4+25=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 25-4=21, Resulting Numbers: [21] 21,72 unequal: No Solution Moving to Node #0,1,4 Current State: 72:[35, 14], Operations: ['41-37=4', '10+4=14'] Exploring Operation: 35*14=490, Resulting Numbers: [490] 490,72 unequal: No Solution Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,72 unequal: No Solution Exploring Operation: 35+14=49, Resulting Numbers: [49] 49,72 unequal: No Solution Moving to Node #0,1,2 Current State: 72:[10, 39], Operations: ['41-37=4', '35+4=39'] Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,72 unequal: No Solution Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,72 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,72 unequal: No Solution Moving to Node #0,1,1 Current State: 72:[35, 40], Operations: ['41-37=4', '10*4=40'] Exploring Operation: 35+40=75, Resulting Numbers: [75] 75,72 unequal: No Solution Exploring Operation: 40-35=5, Resulting Numbers: [5] 5,72 unequal: No Solution Exploring Operation: 35*40=1400, Resulting Numbers: [1400] 1400,72 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 #0,2 Current State: 72:[10, 41, 72], Operations: ['37+35=72'] Exploring Operation: 10+72=82, Resulting Numbers: [41, 82] Generated Node #0,2,0: 72:[41, 82] Operation: 10+72=82 Exploring Operation: 72-41=31, Resulting Numbers: [10, 31] Generated Node #0,2,1: 72:[10, 31] Operation: 72-41=31 Exploring Operation: 72-10=62, Resulting Numbers: [41, 62] Generated Node #0,2,2: 72:[41, 62] Operation: 72-10=62 Exploring Operation: 10+41=51, Resulting Numbers: [72, 51] Generated Node #0,2,3: 72:[72, 51] Operation: 10+41=51 Exploring Operation: 41-10=31, Resulting Numbers: [72, 31] Generated Node #0,2,4: 72:[72, 31] Operation: 41-10=31 Start Sub Search at level 2: Moving to Node #0,2,4 Current State: 72:[72, 31], Operations: ['37+35=72', '41-10=31'] Exploring Operation: 72*31=2232, Resulting Numbers: [2232] 2232,72 unequal: No Solution Exploring Operation: 72+31=103, Resulting Numbers: [103] 103,72 unequal: No Solution Exploring Operation: 72-31=41, Resulting Numbers: [41] 41,72 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 #0,2,1 Current State: 72:[10, 31], Operations: ['37+35=72', '72-41=31'] Exploring Operation: 10+31=41, Resulting Numbers: [41] 41,72 unequal: No Solution Exploring Operation: 31-10=21, Resulting Numbers: [21] 21,72 unequal: No Solution Exploring Operation: 10*31=310, Resulting Numbers: [310] 310,72 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 #0,2,0 Current State: 72:[41, 82], Operations: ['37+35=72', '10+72=82'] Exploring Operation: 82-41=41, Resulting Numbers: [41] 41,72 unequal: No Solution Exploring Operation: 41*82=3362, Resulting Numbers: [3362] 3362,72 unequal: No Solution Exploring Operation: 41+82=123, Resulting Numbers: [123] 123,72 unequal: No Solution Exploring Operation: 82/41=2, Resulting Numbers: [2] 2,72 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 #0,2,2 Current State: 72:[41, 62], Operations: ['37+35=72', '72-10=62'] Exploring Operation: 41+62=103, Resulting Numbers: [103] 103,72 unequal: No Solution Exploring Operation: 41*62=2542, Resulting Numbers: [2542] 2542,72 unequal: No Solution Exploring Operation: 62-41=21, Resulting Numbers: [21] 21,72 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 #0,2,3 Current State: 72:[72, 51], Operations: ['37+35=72', '10+41=51'] Exploring Operation: 72*51=3672, Resulting Numbers: [3672] 3672,72 unequal: No Solution Exploring Operation: 72-51=21, Resulting Numbers: [21] 21,72 unequal: No Solution Exploring Operation: 72+51=123, Resulting Numbers: [123] 123,72 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 #0,3 Current State: 72:[10, 37, 76], Operations: ['35+41=76'] Exploring Operation: 10+76=86, Resulting Numbers: [37, 86] Generated Node #0,3,0: 72:[37, 86] Operation: 10+76=86 Exploring Operation: 10+37=47, Resulting Numbers: [76, 47] Generated Node #0,3,1: 72:[76, 47] Operation: 10+37=47 Exploring Operation: 76-10=66, Resulting Numbers: [37, 66] Generated Node #0,3,2: 72:[37, 66] Operation: 76-10=66 Exploring Operation: 76-37=39, Resulting Numbers: [10, 39] Generated Node #0,3,3: 72:[10, 39] Operation: 76-37=39 Exploring Operation: 37-10=27, Resulting Numbers: [76, 27] Generated Node #0,3,4: 72:[76, 27] Operation: 37-10=27 Moving to Node #0,3,3 Current State: 72:[10, 39], Operations: ['35+41=76', '76-37=39'] Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,72 unequal: No Solution Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,72 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,72 unequal: No Solution Moving to Node #0,3,4 Current State: 72:[76, 27], Operations: ['35+41=76', '37-10=27'] Exploring Operation: 76*27=2052, Resulting Numbers: [2052] 2052,72 unequal: No Solution Exploring Operation: 76+27=103, Resulting Numbers: [103] 103,72 unequal: No Solution Exploring Operation: 76-27=49, Resulting Numbers: [49] 49,72 unequal: No Solution Moving to Node #0,3,2 Current State: 72:[37, 66], Operations: ['35+41=76', '76-10=66'] Exploring Operation: 37+66=103, Resulting Numbers: [103] 103,72 unequal: No Solution Exploring Operation: 66-37=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 37*66=2442, Resulting Numbers: [2442] 2442,72 unequal: No Solution Moving to Node #0,3,0 Current State: 72:[37, 86], Operations: ['35+41=76', '10+76=86'] Exploring Operation: 37+86=123, Resulting Numbers: [123] 123,72 unequal: No Solution Exploring Operation: 86-37=49, Resulting Numbers: [49] 49,72 unequal: No Solution Exploring Operation: 37*86=3182, Resulting Numbers: [3182] 3182,72 unequal: No Solution Moving to Node #0,3,1 Current State: 72:[76, 47], Operations: ['35+41=76', '10+37=47'] Exploring Operation: 76+47=123, Resulting Numbers: [123] 123,72 unequal: No Solution Exploring Operation: 76-47=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 76*47=3572, Resulting Numbers: [3572] 3572,72 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 #0,4 Current State: 72:[10, 41, 2], Operations: ['37-35=2'] Exploring Operation: 10/2=5, Resulting Numbers: [41, 5] Generated Node #0,4,0: 72:[41, 5] Operation: 10/2=5 Exploring Operation: 10+2=12, Resulting Numbers: [41, 12] Generated Node #0,4,1: 72:[41, 12] Operation: 10+2=12 Exploring Operation: 41-2=39, Resulting Numbers: [10, 39] Generated Node #0,4,2: 72:[10, 39] Operation: 41-2=39 Exploring Operation: 10-2=8, Resulting Numbers: [41, 8] Generated Node #0,4,3: 72:[41, 8] Operation: 10-2=8 Exploring Operation: 41-10=31, Resulting Numbers: [2, 31] Generated Node #0,4,4: 72:[2, 31] Operation: 41-10=31 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 72:[10, 39], Operations: ['37-35=2', '41-2=39'] Exploring Operation: 10+39=49, Resulting Numbers: [49] 49,72 unequal: No Solution Exploring Operation: 39-10=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 10*39=390, Resulting Numbers: [390] 390,72 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 #0,4,1 Current State: 72:[41, 12], Operations: ['37-35=2', '10+2=12'] Exploring Operation: 41*12=492, Resulting Numbers: [492] 492,72 unequal: No Solution Exploring Operation: 41+12=53, Resulting Numbers: [53] 53,72 unequal: No Solution Exploring Operation: 41-12=29, Resulting Numbers: [29] 29,72 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 #0,4,3 Current State: 72:[41, 8], Operations: ['37-35=2', '10-2=8'] Exploring Operation: 41*8=328, Resulting Numbers: [328] 328,72 unequal: No Solution Exploring Operation: 41-8=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 41+8=49, Resulting Numbers: [49] 49,72 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 #0,4,4 Current State: 72:[2, 31], Operations: ['37-35=2', '41-10=31'] Exploring Operation: 2+31=33, Resulting Numbers: [33] 33,72 unequal: No Solution Exploring Operation: 31-2=29, Resulting Numbers: [29] 29,72 unequal: No Solution Exploring Operation: 2*31=62, Resulting Numbers: [62] 62,72 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 #0,4,0 Current State: 72:[41, 5], Operations: ['37-35=2', '10/2=5'] Exploring Operation: 41*5=205, Resulting Numbers: [205] 205,72 unequal: No Solution Exploring Operation: 41-5=36, Resulting Numbers: [36] 36,72 unequal: No Solution Exploring Operation: 41+5=46, Resulting Numbers: [46] 46,72 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 No solution found.
0
hs_5
mult_heuristic
[ 57, 86, 30, 85 ]
43
[ "57+30=87", "87-85=2", "86/2=43" ]
Current State: 43:[57, 86, 30, 85], Operations: [] Exploring Operation: 57+30=87, Resulting Numbers: [86, 85, 87] Generated Node #2: [86, 85, 87] from Operation: 57+30=87 Current State: 43:[86, 85, 87], Operations: ['57+30=87'] Exploring Operation: 87-85=2, Resulting Numbers: [86, 2] Generated Node #3: [86, 2] from Operation: 87-85=2 Current State: 43:[86, 2], Operations: ['57+30=87', '87-85=2'] Exploring Operation: 86/2=43, Resulting Numbers: [43] 43,43 equal: Goal Reached
4
Current State: 43:[57, 86, 30, 85], Operations: [] Exploring Operation: 86-85=1, Resulting Numbers: [57, 30, 1] Generated Node #0,0: 43:[57, 30, 1] Operation: 86-85=1 Exploring Operation: 86-57=29, Resulting Numbers: [30, 85, 29] Generated Node #0,1: 43:[30, 85, 29] Operation: 86-57=29 Exploring Operation: 86-30=56, Resulting Numbers: [57, 85, 56] Generated Node #0,2: 43:[57, 85, 56] Operation: 86-30=56 Start Sub Search at level 1: Moving to Node #0,0 Current State: 43:[57, 30, 1], Operations: ['86-85=1'] Exploring Operation: 57*1=57, Resulting Numbers: [30, 57] Generated Node #0,0,0: 43:[30, 57] Operation: 57*1=57 Exploring Operation: 57-1=56, Resulting Numbers: [30, 56] Generated Node #0,0,1: 43:[30, 56] Operation: 57-1=56 Exploring Operation: 30+1=31, Resulting Numbers: [57, 31] Generated Node #0,0,2: 43:[57, 31] Operation: 30+1=31 Moving to Node #0,0,1 Current State: 43:[30, 56], Operations: ['86-85=1', '57-1=56'] Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 30+56=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 30*56=1680, Resulting Numbers: [1680] 1680,43 unequal: No Solution Moving to Node #0,0,2 Current State: 43:[57, 31], Operations: ['86-85=1', '30+1=31'] Exploring Operation: 57*31=1767, Resulting Numbers: [1767] 1767,43 unequal: No Solution Exploring Operation: 57-31=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 57+31=88, Resulting Numbers: [88] 88,43 unequal: No Solution Moving to Node #0,0,0 Current State: 43:[30, 57], Operations: ['86-85=1', '57*1=57'] Exploring Operation: 30*57=1710, Resulting Numbers: [1710] 1710,43 unequal: No Solution Exploring Operation: 57-30=27, Resulting Numbers: [27] 27,43 unequal: No Solution Exploring Operation: 30+57=87, Resulting Numbers: [87] 87,43 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 Current State: 43:[30, 85, 29], Operations: ['86-57=29'] Exploring Operation: 85-30=55, Resulting Numbers: [29, 55] Generated Node #0,1,0: 43:[29, 55] Operation: 85-30=55 Exploring Operation: 30+29=59, Resulting Numbers: [85, 59] Generated Node #0,1,1: 43:[85, 59] Operation: 30+29=59 Exploring Operation: 85-29=56, Resulting Numbers: [30, 56] Generated Node #0,1,2: 43:[30, 56] Operation: 85-29=56 Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 43:[29, 55], Operations: ['86-57=29', '85-30=55'] Exploring Operation: 29*55=1595, Resulting Numbers: [1595] 1595,43 unequal: No Solution Exploring Operation: 55-29=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 29+55=84, Resulting Numbers: [84] 84,43 unequal: No Solution No 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: 43:[30, 56], Operations: ['86-57=29', '85-29=56'] Exploring Operation: 56-30=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 30+56=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 30*56=1680, Resulting Numbers: [1680] 1680,43 unequal: No Solution No 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: 43:[85, 59], Operations: ['86-57=29', '30+29=59'] Exploring Operation: 85-59=26, Resulting Numbers: [26] 26,43 unequal: No Solution Exploring Operation: 85*59=5015, Resulting Numbers: [5015] 5015,43 unequal: No Solution Exploring Operation: 85+59=144, Resulting Numbers: [144] 144,43 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: 43:[57, 85, 56], Operations: ['86-30=56'] Exploring Operation: 85-56=29, Resulting Numbers: [57, 29] Generated Node #0,2,0: 43:[57, 29] Operation: 85-56=29 Exploring Operation: 57-56=1, Resulting Numbers: [85, 1] Generated Node #0,2,1: 43:[85, 1] Operation: 57-56=1 Exploring Operation: 85-57=28, Resulting Numbers: [56, 28] Generated Node #0,2,2: 43:[56, 28] Operation: 85-57=28 Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 43:[57, 29], Operations: ['86-30=56', '85-56=29'] Exploring Operation: 57-29=28, Resulting Numbers: [28] 28,43 unequal: No Solution Exploring Operation: 57+29=86, Resulting Numbers: [86] 86,43 unequal: No Solution Exploring Operation: 57*29=1653, Resulting Numbers: [1653] 1653,43 unequal: No Solution No 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: 43:[56, 28], Operations: ['86-30=56', '85-57=28'] Exploring Operation: 56/28=2, Resulting Numbers: [2] 2,43 unequal: No Solution Exploring Operation: 56+28=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 56-28=28, Resulting Numbers: [28] 28,43 unequal: No Solution No 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: 43:[85, 1], Operations: ['86-30=56', '57-56=1'] Exploring Operation: 85*1=85, Resulting Numbers: [85] 85,43 unequal: No Solution Exploring Operation: 85-1=84, Resulting Numbers: [84] 84,43 unequal: No Solution Exploring Operation: 85/1=85, Resulting Numbers: [85] 85,43 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
mult_heuristic
[ 22, 21, 65, 85 ]
87
[ "65-21=44", "44/22=2", "85+2=87" ]
Current State: 87:[22, 21, 65, 85], Operations: [] Exploring Operation: 65-21=44, Resulting Numbers: [22, 85, 44] Generated Node #2: [22, 85, 44] from Operation: 65-21=44 Current State: 87:[22, 85, 44], Operations: ['65-21=44'] Exploring Operation: 44/22=2, Resulting Numbers: [85, 2] Generated Node #3: [85, 2] from Operation: 44/22=2 Current State: 87:[85, 2], Operations: ['65-21=44', '44/22=2'] Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached
4
Current State: 87:[22, 21, 65, 85], Operations: [] Exploring Operation: 65-22=43, Resulting Numbers: [21, 85, 43] Generated Node #0,0: 87:[21, 85, 43] Operation: 65-22=43 Exploring Operation: 22+65=87, Resulting Numbers: [21, 85, 87] Generated Node #0,1: 87:[21, 85, 87] Operation: 22+65=87 Exploring Operation: 85-65=20, Resulting Numbers: [22, 21, 20] Generated Node #0,2: 87:[22, 21, 20] Operation: 85-65=20 Exploring Operation: 21+65=86, Resulting Numbers: [22, 85, 86] Generated Node #0,3: 87:[22, 85, 86] Operation: 21+65=86 Exploring Operation: 65-21=44, Resulting Numbers: [22, 85, 44] Generated Node #0,4: 87:[22, 85, 44] Operation: 65-21=44 Moving to Node #0,1 Current State: 87:[21, 85, 87], Operations: ['22+65=87'] Exploring Operation: 87-85=2, Resulting Numbers: [21, 2] Generated Node #0,1,0: 87:[21, 2] Operation: 87-85=2 Exploring Operation: 21+87=108, Resulting Numbers: [85, 108] Generated Node #0,1,1: 87:[85, 108] Operation: 21+87=108 Exploring Operation: 87-21=66, Resulting Numbers: [85, 66] Generated Node #0,1,2: 87:[85, 66] Operation: 87-21=66 Exploring Operation: 21+85=106, Resulting Numbers: [87, 106] Generated Node #0,1,3: 87:[87, 106] Operation: 21+85=106 Exploring Operation: 85-21=64, Resulting Numbers: [87, 64] Generated Node #0,1,4: 87:[87, 64] Operation: 85-21=64 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 87:[21, 2], Operations: ['22+65=87', '87-85=2'] Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,87 unequal: No Solution Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,87 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,87 unequal: No Solution No 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: 87:[87, 106], Operations: ['22+65=87', '21+85=106'] Exploring Operation: 87*106=9222, Resulting Numbers: [9222] 9222,87 unequal: No Solution Exploring Operation: 106-87=19, Resulting Numbers: [19] 19,87 unequal: No Solution Exploring Operation: 87+106=193, Resulting Numbers: [193] 193,87 unequal: No Solution No 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: 87:[85, 108], Operations: ['22+65=87', '21+87=108'] Exploring Operation: 85+108=193, Resulting Numbers: [193] 193,87 unequal: No Solution Exploring Operation: 108-85=23, Resulting Numbers: [23] 23,87 unequal: No Solution Exploring Operation: 85*108=9180, Resulting Numbers: [9180] 9180,87 unequal: No Solution No 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: 87:[85, 66], Operations: ['22+65=87', '87-21=66'] Exploring Operation: 85-66=19, Resulting Numbers: [19] 19,87 unequal: No Solution Exploring Operation: 85*66=5610, Resulting Numbers: [5610] 5610,87 unequal: No Solution Exploring Operation: 85+66=151, Resulting Numbers: [151] 151,87 unequal: No Solution No 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: 87:[87, 64], Operations: ['22+65=87', '85-21=64'] Exploring Operation: 87-64=23, Resulting Numbers: [23] 23,87 unequal: No Solution Exploring Operation: 87*64=5568, Resulting Numbers: [5568] 5568,87 unequal: No Solution Exploring Operation: 87+64=151, Resulting Numbers: [151] 151,87 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: 87:[22, 85, 86], Operations: ['21+65=86'] Exploring Operation: 85-22=63, Resulting Numbers: [86, 63] Generated Node #0,3,0: 87:[86, 63] Operation: 85-22=63 Exploring Operation: 22+86=108, Resulting Numbers: [85, 108] Generated Node #0,3,1: 87:[85, 108] Operation: 22+86=108 Exploring Operation: 86-85=1, Resulting Numbers: [22, 1] Generated Node #0,3,2: 87:[22, 1] Operation: 86-85=1 Exploring Operation: 86-22=64, Resulting Numbers: [85, 64] Generated Node #0,3,3: 87:[85, 64] Operation: 86-22=64 Exploring Operation: 22+85=107, Resulting Numbers: [86, 107] Generated Node #0,3,4: 87:[86, 107] Operation: 22+85=107 Moving to Node #0,0 Current State: 87:[21, 85, 43], Operations: ['65-22=43'] Exploring Operation: 85-43=42, Resulting Numbers: [21, 42] Generated Node #0,0,0: 87:[21, 42] Operation: 85-43=42 Exploring Operation: 43-21=22, Resulting Numbers: [85, 22] Generated Node #0,0,1: 87:[85, 22] Operation: 43-21=22 Exploring Operation: 85-21=64, Resulting Numbers: [43, 64] Generated Node #0,0,2: 87:[43, 64] Operation: 85-21=64 Exploring Operation: 21+85=106, Resulting Numbers: [43, 106] Generated Node #0,0,3: 87:[43, 106] Operation: 21+85=106 Exploring Operation: 21+43=64, Resulting Numbers: [85, 64] Generated Node #0,0,4: 87:[85, 64] Operation: 21+43=64 Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 87:[85, 22], Operations: ['65-22=43', '43-21=22'] Exploring Operation: 85+22=107, Resulting Numbers: [107] 107,87 unequal: No Solution Exploring Operation: 85*22=1870, Resulting Numbers: [1870] 1870,87 unequal: No Solution Exploring Operation: 85-22=63, Resulting Numbers: [63] 63,87 unequal: No Solution No 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: 87:[21, 42], Operations: ['65-22=43', '85-43=42'] Exploring Operation: 21+42=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 21*42=882, Resulting Numbers: [882] 882,87 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,87 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,87 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 87:[85, 64], Operations: ['65-22=43', '21+43=64'] Exploring Operation: 85*64=5440, Resulting Numbers: [5440] 5440,87 unequal: No Solution Exploring Operation: 85-64=21, Resulting Numbers: [21] 21,87 unequal: No Solution Exploring Operation: 85+64=149, Resulting Numbers: [149] 149,87 unequal: No Solution No 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: 87:[43, 106], Operations: ['65-22=43', '21+85=106'] Exploring Operation: 43+106=149, Resulting Numbers: [149] 149,87 unequal: No Solution Exploring Operation: 43*106=4558, Resulting Numbers: [4558] 4558,87 unequal: No Solution Exploring Operation: 106-43=63, Resulting Numbers: [63] 63,87 unequal: No Solution No 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: 87:[43, 64], Operations: ['65-22=43', '85-21=64'] Exploring Operation: 43+64=107, Resulting Numbers: [107] 107,87 unequal: No Solution Exploring Operation: 43*64=2752, Resulting Numbers: [2752] 2752,87 unequal: No Solution Exploring Operation: 64-43=21, Resulting Numbers: [21] 21,87 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: 87:[22, 21, 20], Operations: ['85-65=20'] Exploring Operation: 22-21=1, Resulting Numbers: [20, 1] Generated Node #0,2,0: 87:[20, 1] Operation: 22-21=1 Exploring Operation: 21+20=41, Resulting Numbers: [22, 41] Generated Node #0,2,1: 87:[22, 41] Operation: 21+20=41 Exploring Operation: 22+20=42, Resulting Numbers: [21, 42] Generated Node #0,2,2: 87:[21, 42] Operation: 22+20=42 Exploring Operation: 22-20=2, Resulting Numbers: [21, 2] Generated Node #0,2,3: 87:[21, 2] Operation: 22-20=2 Exploring Operation: 21-20=1, Resulting Numbers: [22, 1] Generated Node #0,2,4: 87:[22, 1] Operation: 21-20=1 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 87:[21, 2], Operations: ['85-65=20', '22-20=2'] Exploring Operation: 21-2=19, Resulting Numbers: [19] 19,87 unequal: No Solution Exploring Operation: 21+2=23, Resulting Numbers: [23] 23,87 unequal: No Solution Exploring Operation: 21*2=42, Resulting Numbers: [42] 42,87 unequal: No Solution No 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: 87:[22, 1], Operations: ['85-65=20', '21-20=1'] Exploring Operation: 22*1=22, Resulting Numbers: [22] 22,87 unequal: No Solution Exploring Operation: 22-1=21, Resulting Numbers: [21] 21,87 unequal: No Solution Exploring Operation: 22+1=23, Resulting Numbers: [23] 23,87 unequal: No Solution Exploring Operation: 22/1=22, Resulting Numbers: [22] 22,87 unequal: No Solution No 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: 87:[20, 1], Operations: ['85-65=20', '22-21=1'] Exploring Operation: 20/1=20, Resulting Numbers: [20] 20,87 unequal: No Solution Exploring Operation: 20+1=21, Resulting Numbers: [21] 21,87 unequal: No Solution Exploring Operation: 20-1=19, Resulting Numbers: [19] 19,87 unequal: No Solution Exploring Operation: 20*1=20, Resulting Numbers: [20] 20,87 unequal: No Solution No 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: 87:[22, 41], Operations: ['85-65=20', '21+20=41'] Exploring Operation: 22*41=902, Resulting Numbers: [902] 902,87 unequal: No Solution Exploring Operation: 22+41=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 41-22=19, Resulting Numbers: [19] 19,87 unequal: No Solution No 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: 87:[21, 42], Operations: ['85-65=20', '22+20=42'] Exploring Operation: 21*42=882, Resulting Numbers: [882] 882,87 unequal: No Solution Exploring Operation: 21+42=63, Resulting Numbers: [63] 63,87 unequal: No Solution Exploring Operation: 42-21=21, Resulting Numbers: [21] 21,87 unequal: No Solution Exploring Operation: 42/21=2, Resulting Numbers: [2] 2,87 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: 87:[22, 85, 44], Operations: ['65-21=44'] Exploring Operation: 44-22=22, Resulting Numbers: [85, 22] Generated Node #0,4,0: 87:[85, 22] Operation: 44-22=22 Exploring Operation: 85-44=41, Resulting Numbers: [22, 41] Generated Node #0,4,1: 87:[22, 41] Operation: 85-44=41 Exploring Operation: 22+85=107, Resulting Numbers: [44, 107] Generated Node #0,4,2: 87:[44, 107] Operation: 22+85=107 Exploring Operation: 44/22=2, Resulting Numbers: [85, 2] Generated Node #0,4,3: 87:[85, 2] Operation: 44/22=2 Exploring Operation: 22+44=66, Resulting Numbers: [85, 66] Generated Node #0,4,4: 87:[85, 66] Operation: 22+44=66 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 87:[85, 2], Operations: ['65-21=44', '44/22=2'] Exploring Operation: 85-2=83, Resulting Numbers: [83] 83,87 unequal: No Solution Exploring Operation: 85*2=170, Resulting Numbers: [170] 170,87 unequal: No Solution Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Moving to Node #0 Current State: 87:[22, 21, 65, 85], Operations: [] Exploring Operation: 65-21=44, Resulting Numbers: [22, 85, 44] Generated Node #0,4: 87:[22, 85, 44] Operation: 65-21=44 Moving to Node #0,4 Current State: 87:[22, 85, 44], Operations: ['65-21=44'] Exploring Operation: 44/22=2, Resulting Numbers: [85, 2] Generated Node #0,4,3: 87:[85, 2] Operation: 44/22=2 Moving to Node #0,4,3 Current State: 87:[85, 2], Operations: ['65-21=44', '44/22=2'] Exploring Operation: 85+2=87, Resulting Numbers: [87] 87,87 equal: Goal Reached Exit Sub Search at level 1
0.925347
hs_5
sum_heuristic
[ 65, 62, 6, 37 ]
79
[ "65+37=102", "102/6=17", "62+17=79" ]
Current State: 79:[65, 62, 6, 37], Operations: [] Exploring Operation: 65+37=102, Resulting Numbers: [62, 6, 102] Generated Node #2: [62, 6, 102] from Operation: 65+37=102 Current State: 79:[62, 6, 102], Operations: ['65+37=102'] Exploring Operation: 102/6=17, Resulting Numbers: [62, 17] Generated Node #3: [62, 17] from Operation: 102/6=17 Current State: 79:[62, 17], Operations: ['65+37=102', '102/6=17'] Exploring Operation: 62+17=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[65, 62, 6, 37], Operations: [] Exploring Operation: 6+37=43, Resulting Numbers: [65, 62, 43] Generated Node #0,0: 79:[65, 62, 43] Operation: 6+37=43 Exploring Operation: 65+6=71, Resulting Numbers: [62, 37, 71] Generated Node #0,1: 79:[62, 37, 71] Operation: 65+6=71 Exploring Operation: 62+6=68, Resulting Numbers: [65, 37, 68] Generated Node #0,2: 79:[65, 37, 68] Operation: 62+6=68 Exploring Operation: 65-6=59, Resulting Numbers: [62, 37, 59] Generated Node #0,3: 79:[62, 37, 59] Operation: 65-6=59 Start Sub Search at level 1: Moving to Node #0,0 Current State: 79:[65, 62, 43], Operations: ['6+37=43'] Exploring Operation: 62+43=105, Resulting Numbers: [65, 105] Generated Node #0,0,0: 79:[65, 105] Operation: 62+43=105 Exploring Operation: 65+43=108, Resulting Numbers: [62, 108] Generated Node #0,0,1: 79:[62, 108] Operation: 65+43=108 Exploring Operation: 65-43=22, Resulting Numbers: [62, 22] Generated Node #0,0,2: 79:[62, 22] Operation: 65-43=22 Exploring Operation: 62-43=19, Resulting Numbers: [65, 19] Generated Node #0,0,3: 79:[65, 19] Operation: 62-43=19 Moving to Node #0,0,0 Current State: 79:[65, 105], Operations: ['6+37=43', '62+43=105'] Exploring Operation: 65+105=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 65*105=6825, Resulting Numbers: [6825] 6825,79 unequal: No Solution Exploring Operation: 105-65=40, Resulting Numbers: [40] 40,79 unequal: No Solution Moving to Node #0,0,1 Current State: 79:[62, 108], Operations: ['6+37=43', '65+43=108'] Exploring Operation: 108-62=46, Resulting Numbers: [46] 46,79 unequal: No Solution Exploring Operation: 62+108=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 62*108=6696, Resulting Numbers: [6696] 6696,79 unequal: No Solution Moving to Node #0,0,3 Current State: 79:[65, 19], Operations: ['6+37=43', '62-43=19'] Exploring Operation: 65-19=46, Resulting Numbers: [46] 46,79 unequal: No Solution Exploring Operation: 65+19=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 65*19=1235, Resulting Numbers: [1235] 1235,79 unequal: No Solution Moving to Node #0,0,2 Current State: 79:[62, 22], Operations: ['6+37=43', '65-43=22'] Exploring Operation: 62*22=1364, Resulting Numbers: [1364] 1364,79 unequal: No Solution Exploring Operation: 62-22=40, Resulting Numbers: [40] 40,79 unequal: No Solution Exploring Operation: 62+22=84, Resulting Numbers: [84] 84,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 79:[62, 37, 71], Operations: ['65+6=71'] Exploring Operation: 62-37=25, Resulting Numbers: [71, 25] Generated Node #0,1,0: 79:[71, 25] Operation: 62-37=25 Exploring Operation: 37+71=108, Resulting Numbers: [62, 108] Generated Node #0,1,1: 79:[62, 108] Operation: 37+71=108 Exploring Operation: 71-37=34, Resulting Numbers: [62, 34] Generated Node #0,1,2: 79:[62, 34] Operation: 71-37=34 Exploring Operation: 62+37=99, Resulting Numbers: [71, 99] Generated Node #0,1,3: 79:[71, 99] Operation: 62+37=99 Start Sub Search at level 2: Moving to Node #0,1,3 Current State: 79:[71, 99], Operations: ['65+6=71', '62+37=99'] Exploring Operation: 99-71=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 71*99=7029, Resulting Numbers: [7029] 7029,79 unequal: No Solution Exploring Operation: 71+99=170, Resulting Numbers: [170] 170,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,1 Current State: 79:[62, 108], Operations: ['65+6=71', '37+71=108'] Exploring Operation: 62*108=6696, Resulting Numbers: [6696] 6696,79 unequal: No Solution Exploring Operation: 62+108=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 108-62=46, Resulting Numbers: [46] 46,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,0 Current State: 79:[71, 25], Operations: ['65+6=71', '62-37=25'] Exploring Operation: 71-25=46, Resulting Numbers: [46] 46,79 unequal: No Solution Exploring Operation: 71+25=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 71*25=1775, Resulting Numbers: [1775] 1775,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 79:[62, 34], Operations: ['65+6=71', '71-37=34'] Exploring Operation: 62-34=28, Resulting Numbers: [28] 28,79 unequal: No Solution Exploring Operation: 62*34=2108, Resulting Numbers: [2108] 2108,79 unequal: No Solution Exploring Operation: 62+34=96, Resulting Numbers: [96] 96,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 79:[65, 37, 68], Operations: ['62+6=68'] Exploring Operation: 37+68=105, Resulting Numbers: [65, 105] Generated Node #0,2,0: 79:[65, 105] Operation: 37+68=105 Exploring Operation: 68-37=31, Resulting Numbers: [65, 31] Generated Node #0,2,1: 79:[65, 31] Operation: 68-37=31 Exploring Operation: 65-37=28, Resulting Numbers: [68, 28] Generated Node #0,2,2: 79:[68, 28] Operation: 65-37=28 Exploring Operation: 65+37=102, Resulting Numbers: [68, 102] Generated Node #0,2,3: 79:[68, 102] Operation: 65+37=102 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 79:[68, 102], Operations: ['62+6=68', '65+37=102'] Exploring Operation: 68+102=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 102-68=34, Resulting Numbers: [34] 34,79 unequal: No Solution Exploring Operation: 68*102=6936, Resulting Numbers: [6936] 6936,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 79:[65, 105], Operations: ['62+6=68', '37+68=105'] Exploring Operation: 65+105=170, Resulting Numbers: [170] 170,79 unequal: No Solution Exploring Operation: 105-65=40, Resulting Numbers: [40] 40,79 unequal: No Solution Exploring Operation: 65*105=6825, Resulting Numbers: [6825] 6825,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 79:[65, 31], Operations: ['62+6=68', '68-37=31'] Exploring Operation: 65*31=2015, Resulting Numbers: [2015] 2015,79 unequal: No Solution Exploring Operation: 65-31=34, Resulting Numbers: [34] 34,79 unequal: No Solution Exploring Operation: 65+31=96, Resulting Numbers: [96] 96,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 79:[68, 28], Operations: ['62+6=68', '65-37=28'] Exploring Operation: 68+28=96, Resulting Numbers: [96] 96,79 unequal: No Solution Exploring Operation: 68-28=40, Resulting Numbers: [40] 40,79 unequal: No Solution Exploring Operation: 68*28=1904, Resulting Numbers: [1904] 1904,79 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,3 Current State: 79:[62, 37, 59], Operations: ['65-6=59'] Exploring Operation: 59-37=22, Resulting Numbers: [62, 22] Generated Node #0,3,0: 79:[62, 22] Operation: 59-37=22 Exploring Operation: 37+59=96, Resulting Numbers: [62, 96] Generated Node #0,3,1: 79:[62, 96] Operation: 37+59=96 Exploring Operation: 62+37=99, Resulting Numbers: [59, 99] Generated Node #0,3,2: 79:[59, 99] Operation: 62+37=99 Exploring Operation: 62-37=25, Resulting Numbers: [59, 25] Generated Node #0,3,3: 79:[59, 25] Operation: 62-37=25 Moving to Node #0,3,1 Current State: 79:[62, 96], Operations: ['65-6=59', '37+59=96'] Exploring Operation: 62*96=5952, Resulting Numbers: [5952] 5952,79 unequal: No Solution Exploring Operation: 96-62=34, Resulting Numbers: [34] 34,79 unequal: No Solution Exploring Operation: 62+96=158, Resulting Numbers: [158] 158,79 unequal: No Solution Moving to Node #0,3,2 Current State: 79:[59, 99], Operations: ['65-6=59', '62+37=99'] Exploring Operation: 99-59=40, Resulting Numbers: [40] 40,79 unequal: No Solution Exploring Operation: 59*99=5841, Resulting Numbers: [5841] 5841,79 unequal: No Solution Exploring Operation: 59+99=158, Resulting Numbers: [158] 158,79 unequal: No Solution Moving to Node #0,3,3 Current State: 79:[59, 25], Operations: ['65-6=59', '62-37=25'] Exploring Operation: 59*25=1475, Resulting Numbers: [1475] 1475,79 unequal: No Solution Exploring Operation: 59+25=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 59-25=34, Resulting Numbers: [34] 34,79 unequal: No Solution Moving to Node #0,3,0 Current State: 79:[62, 22], Operations: ['65-6=59', '59-37=22'] Exploring Operation: 62-22=40, Resulting Numbers: [40] 40,79 unequal: No Solution Exploring Operation: 62+22=84, Resulting Numbers: [84] 84,79 unequal: No Solution Exploring Operation: 62*22=1364, Resulting Numbers: [1364] 1364,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_4
mult_heuristic
[ 10, 50, 86, 73 ]
27
[ "50-10=40", "86-73=13", "40-13=27" ]
Current State: 27:[10, 50, 86, 73], Operations: [] Exploring Operation: 50-10=40, Resulting Numbers: [86, 73, 40] Generated Node #2: [86, 73, 40] from Operation: 50-10=40 Current State: 27:[86, 73, 40], Operations: ['50-10=40'] Exploring Operation: 86-73=13, Resulting Numbers: [40, 13] Generated Node #3: [40, 13] from Operation: 86-73=13 Current State: 27:[40, 13], Operations: ['50-10=40', '86-73=13'] Exploring Operation: 40-13=27, Resulting Numbers: [27] 27,27 equal: Goal Reached
4
Current State: 27:[10, 50, 86, 73], Operations: [] Exploring Operation: 86-73=13, Resulting Numbers: [10, 50, 13] Generated Node #0,0: 27:[10, 50, 13] Operation: 86-73=13 Start Sub Search at level 1: Moving to Node #0,0 Current State: 27:[10, 50, 13], Operations: ['86-73=13'] Exploring Operation: 50/10=5, Resulting Numbers: [13, 5] Generated Node #0,0,0: 27:[13, 5] Operation: 50/10=5 Moving to Node #0,0,0 Current State: 27:[13, 5], Operations: ['86-73=13', '50/10=5'] Exploring Operation: 13-5=8, Resulting Numbers: [8] 8,27 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
[ 56, 4, 72, 52 ]
72
[ "56-4=52", "72+52=124", "124-52=72" ]
Current State: 72:[56, 4, 72, 52], Operations: [] Exploring Operation: 56-4=52, Resulting Numbers: [72, 52, 52] Generated Node #2: [72, 52, 52] from Operation: 56-4=52 Current State: 72:[72, 52, 52], Operations: ['56-4=52'] Exploring Operation: 72+52=124, Resulting Numbers: [124] 124,72 equal: Goal Reached Exploring Operation: 124-52=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[56, 4, 72, 52], Operations: [] Exploring Operation: 56/4=14, Resulting Numbers: [72, 52, 14] Generated Node #0,0: 72:[72, 52, 14] Operation: 56/4=14 Exploring Operation: 56-52=4, Resulting Numbers: [4, 72, 4] Generated Node #0,1: 72:[4, 72, 4] Operation: 56-52=4 Exploring Operation: 52/4=13, Resulting Numbers: [56, 72, 13] Generated Node #0,2: 72:[56, 72, 13] Operation: 52/4=13 Moving to Node #0,1 Current State: 72:[4, 72, 4], Operations: ['56-52=4'] Exploring Operation: 72/4=18, Resulting Numbers: [4, 18] Generated Node #0,1,0: 72:[4, 18] Operation: 72/4=18 Exploring Operation: 72/4=18, Resulting Numbers: [4, 18] Generated Node #0,1,1: 72:[4, 18] Operation: 72/4=18 Exploring Operation: 4+4=8, Resulting Numbers: [72, 8] Generated Node #0,1,2: 72:[72, 8] Operation: 4+4=8 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 72:[4, 18], Operations: ['56-52=4', '72/4=18'] Exploring Operation: 4+18=22, Resulting Numbers: [22] 22,72 unequal: No Solution Exploring Operation: 18-4=14, Resulting Numbers: [14] 14,72 unequal: No Solution Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[56, 4, 72, 52], Operations: [] Exploring Operation: 56-52=4, Resulting Numbers: [4, 72, 4] Generated Node #0,1: 72:[4, 72, 4] Operation: 56-52=4 Moving to Node #0,1 Current State: 72:[4, 72, 4], Operations: ['56-52=4'] Exploring Operation: 72/4=18, Resulting Numbers: [4, 18] Generated Node #0,1,0: 72:[4, 18] Operation: 72/4=18 Moving to Node #0,1,0 Current State: 72:[4, 18], Operations: ['56-52=4', '72/4=18'] Exploring Operation: 4*18=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
mult_heuristic
[ 39, 25, 93, 31 ]
67
[ "39+25=64", "93/31=3", "64+3=67" ]
Current State: 67:[39, 25, 93, 31], Operations: [] Exploring Operation: 39+25=64, Resulting Numbers: [93, 31, 64] Generated Node #2: [93, 31, 64] from Operation: 39+25=64 Current State: 67:[93, 31, 64], Operations: ['39+25=64'] Exploring Operation: 93/31=3, Resulting Numbers: [64, 3] Generated Node #3: [64, 3] from Operation: 93/31=3 Current State: 67:[64, 3], Operations: ['39+25=64', '93/31=3'] Exploring Operation: 64+3=67, Resulting Numbers: [67] 67,67 equal: Goal Reached
4
Current State: 67:[39, 25, 93, 31], Operations: [] Exploring Operation: 25+31=56, Resulting Numbers: [39, 93, 56] Generated Node #0,0: 67:[39, 93, 56] Operation: 25+31=56 Exploring Operation: 39+25=64, Resulting Numbers: [93, 31, 64] Generated Node #0,1: 67:[93, 31, 64] Operation: 39+25=64 Exploring Operation: 93-25=68, Resulting Numbers: [39, 31, 68] Generated Node #0,2: 67:[39, 31, 68] Operation: 93-25=68 Moving to Node #0,0 Current State: 67:[39, 93, 56], Operations: ['25+31=56'] Exploring Operation: 39+56=95, Resulting Numbers: [93, 95] Generated Node #0,0,0: 67:[93, 95] Operation: 39+56=95 Exploring Operation: 93-56=37, Resulting Numbers: [39, 37] Generated Node #0,0,1: 67:[39, 37] Operation: 93-56=37 Exploring Operation: 93-39=54, Resulting Numbers: [56, 54] Generated Node #0,0,2: 67:[56, 54] Operation: 93-39=54 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 67:[56, 54], Operations: ['25+31=56', '93-39=54'] Exploring Operation: 56*54=3024, Resulting Numbers: [3024] 3024,67 unequal: No Solution Exploring Operation: 56+54=110, Resulting Numbers: [110] 110,67 unequal: No Solution Exploring Operation: 56-54=2, Resulting Numbers: [2] 2,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 67:[93, 95], Operations: ['25+31=56', '39+56=95'] Exploring Operation: 93*95=8835, Resulting Numbers: [8835] 8835,67 unequal: No Solution Exploring Operation: 93+95=188, Resulting Numbers: [188] 188,67 unequal: No Solution Exploring Operation: 95-93=2, Resulting Numbers: [2] 2,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 67:[39, 37], Operations: ['25+31=56', '93-56=37'] Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 39*37=1443, Resulting Numbers: [1443] 1443,67 unequal: No Solution Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,67 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: 67:[93, 31, 64], Operations: ['39+25=64'] Exploring Operation: 31+64=95, Resulting Numbers: [93, 95] Generated Node #0,1,0: 67:[93, 95] Operation: 31+64=95 Exploring Operation: 93+31=124, Resulting Numbers: [64, 124] Generated Node #0,1,1: 67:[64, 124] Operation: 93+31=124 Exploring Operation: 93-31=62, Resulting Numbers: [64, 62] Generated Node #0,1,2: 67:[64, 62] Operation: 93-31=62 Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 67:[64, 62], Operations: ['39+25=64', '93-31=62'] Exploring Operation: 64*62=3968, Resulting Numbers: [3968] 3968,67 unequal: No Solution Exploring Operation: 64-62=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 64+62=126, Resulting Numbers: [126] 126,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 67:[93, 95], Operations: ['39+25=64', '31+64=95'] Exploring Operation: 93*95=8835, Resulting Numbers: [8835] 8835,67 unequal: No Solution Exploring Operation: 95-93=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 93+95=188, Resulting Numbers: [188] 188,67 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 67:[64, 124], Operations: ['39+25=64', '93+31=124'] Exploring Operation: 124-64=60, Resulting Numbers: [60] 60,67 unequal: No Solution Exploring Operation: 64+124=188, Resulting Numbers: [188] 188,67 unequal: No Solution Exploring Operation: 64*124=7936, Resulting Numbers: [7936] 7936,67 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: 67:[39, 31, 68], Operations: ['93-25=68'] Exploring Operation: 39+31=70, Resulting Numbers: [68, 70] Generated Node #0,2,0: 67:[68, 70] Operation: 39+31=70 Exploring Operation: 68-31=37, Resulting Numbers: [39, 37] Generated Node #0,2,1: 67:[39, 37] Operation: 68-31=37 Exploring Operation: 39-31=8, Resulting Numbers: [68, 8] Generated Node #0,2,2: 67:[68, 8] Operation: 39-31=8 Moving to Node #0,2,0 Current State: 67:[68, 70], Operations: ['93-25=68', '39+31=70'] Exploring Operation: 68+70=138, Resulting Numbers: [138] 138,67 unequal: No Solution Exploring Operation: 70-68=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 68*70=4760, Resulting Numbers: [4760] 4760,67 unequal: No Solution Moving to Node #0,2,1 Current State: 67:[39, 37], Operations: ['93-25=68', '68-31=37'] Exploring Operation: 39+37=76, Resulting Numbers: [76] 76,67 unequal: No Solution Exploring Operation: 39-37=2, Resulting Numbers: [2] 2,67 unequal: No Solution Exploring Operation: 39*37=1443, Resulting Numbers: [1443] 1443,67 unequal: No Solution Moving to Node #0,2,2 Current State: 67:[68, 8], Operations: ['93-25=68', '39-31=8'] Exploring Operation: 68-8=60, Resulting Numbers: [60] 60,67 unequal: No Solution Exploring Operation: 68*8=544, Resulting Numbers: [544] 544,67 unequal: No Solution Exploring Operation: 68+8=76, Resulting Numbers: [76] 76,67 unequal: No Solution No solution found.
0
hs_3
sum_heuristic
[ 21, 32, 48, 99 ]
94
[ "21+32=53", "48+99=147", "147-53=94" ]
Current State: 94:[21, 32, 48, 99], Operations: [] Exploring Operation: 21+32=53, Resulting Numbers: [48, 99, 53] Generated Node #2: [48, 99, 53] from Operation: 21+32=53 Current State: 94:[48, 99, 53], Operations: ['21+32=53'] Exploring Operation: 48+99=147, Resulting Numbers: [53, 147] Generated Node #3: [53, 147] from Operation: 48+99=147 Current State: 94:[53, 147], Operations: ['21+32=53', '48+99=147'] Exploring Operation: 147-53=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
4
Current State: 94:[21, 32, 48, 99], Operations: [] Exploring Operation: 21+32=53, Resulting Numbers: [48, 99, 53] Generated Node #0,0: 94:[48, 99, 53] Operation: 21+32=53 Moving to Node #0,0 Current State: 94:[48, 99, 53], Operations: ['21+32=53'] Exploring Operation: 99-53=46, Resulting Numbers: [48, 46] Generated Node #0,0,0: 94:[48, 46] Operation: 99-53=46 Moving to Node #0,0,0 Current State: 94:[48, 46], Operations: ['21+32=53', '99-53=46'] Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,94 equal: Goal Reached Moving to Node #0 Current State: 94:[21, 32, 48, 99], Operations: [] Exploring Operation: 21+32=53, Resulting Numbers: [48, 99, 53] Generated Node #0,0: 94:[48, 99, 53] Operation: 21+32=53 Moving to Node #0,0 Current State: 94:[48, 99, 53], Operations: ['21+32=53'] Exploring Operation: 99-53=46, Resulting Numbers: [48, 46] Generated Node #0,0,0: 94:[48, 46] Operation: 99-53=46 Moving to Node #0,0,0 Current State: 94:[48, 46], Operations: ['21+32=53', '99-53=46'] Exploring Operation: 48+46=94, Resulting Numbers: [94] 94,94 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 96, 52, 40, 80 ]
70
[ "52*40=2080", "2080/80=26", "96-26=70" ]
Current State: 70:[96, 52, 40, 80], Operations: [] Exploring Operation: 52*40=2080, Resulting Numbers: [96, 80, 2080] Generated Node #2: [96, 80, 2080] from Operation: 52*40=2080 Current State: 70:[96, 80, 2080], Operations: ['52*40=2080'] Exploring Operation: 2080/80=26, Resulting Numbers: [96, 26] Generated Node #3: [96, 26] from Operation: 2080/80=26 Current State: 70:[96, 26], Operations: ['52*40=2080', '2080/80=26'] Exploring Operation: 96-26=70, Resulting Numbers: [70] 70,70 equal: Goal Reached
4
Current State: 70:[96, 52, 40, 80], Operations: [] Exploring Operation: 96-80=16, Resulting Numbers: [52, 40, 16] Generated Node #0,0: 70:[52, 40, 16] Operation: 96-80=16 Exploring Operation: 96-52=44, Resulting Numbers: [40, 80, 44] Generated Node #0,1: 70:[40, 80, 44] Operation: 96-52=44 Exploring Operation: 52-40=12, Resulting Numbers: [96, 80, 12] Generated Node #0,2: 70:[96, 80, 12] Operation: 52-40=12 Start Sub Search at level 1: Moving to Node #0,0 Current State: 70:[52, 40, 16], Operations: ['96-80=16'] Exploring Operation: 52+16=68, Resulting Numbers: [40, 68] Generated Node #0,0,0: 70:[40, 68] Operation: 52+16=68 Exploring Operation: 52-40=12, Resulting Numbers: [16, 12] Generated Node #0,0,1: 70:[16, 12] Operation: 52-40=12 Exploring Operation: 52-16=36, Resulting Numbers: [40, 36] Generated Node #0,0,2: 70:[40, 36] Operation: 52-16=36 Start Sub Search at level 2: Moving to Node #0,0,1 Current State: 70:[16, 12], Operations: ['96-80=16', '52-40=12'] Exploring Operation: 16+12=28, Resulting Numbers: [28] 28,70 unequal: No Solution Exploring Operation: 16*12=192, Resulting Numbers: [192] 192,70 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 70:[40, 36], Operations: ['96-80=16', '52-16=36'] Exploring Operation: 40*36=1440, Resulting Numbers: [1440] 1440,70 unequal: No Solution Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 40+36=76, Resulting Numbers: [76] 76,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 70:[40, 68], Operations: ['96-80=16', '52+16=68'] Exploring Operation: 40*68=2720, Resulting Numbers: [2720] 2720,70 unequal: No Solution Exploring Operation: 68-40=28, Resulting Numbers: [28] 28,70 unequal: No Solution Exploring Operation: 40+68=108, Resulting Numbers: [108] 108,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1 Current State: 70:[40, 80, 44], Operations: ['96-52=44'] Exploring Operation: 44-40=4, Resulting Numbers: [80, 4] Generated Node #0,1,0: 70:[80, 4] Operation: 44-40=4 Exploring Operation: 80/40=2, Resulting Numbers: [44, 2] Generated Node #0,1,1: 70:[44, 2] Operation: 80/40=2 Exploring Operation: 80-44=36, Resulting Numbers: [40, 36] Generated Node #0,1,2: 70:[40, 36] Operation: 80-44=36 Moving to Node #0,1,2 Current State: 70:[40, 36], Operations: ['96-52=44', '80-44=36'] Exploring Operation: 40-36=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 40+36=76, Resulting Numbers: [76] 76,70 unequal: No Solution Exploring Operation: 40*36=1440, Resulting Numbers: [1440] 1440,70 unequal: No Solution Moving to Node #0,1,1 Current State: 70:[44, 2], Operations: ['96-52=44', '80/40=2'] Exploring Operation: 44+2=46, Resulting Numbers: [46] 46,70 unequal: No Solution Exploring Operation: 44/2=22, Resulting Numbers: [22] 22,70 unequal: No Solution Exploring Operation: 44-2=42, Resulting Numbers: [42] 42,70 unequal: No Solution Moving to Node #0,1,0 Current State: 70:[80, 4], Operations: ['96-52=44', '44-40=4'] Exploring Operation: 80+4=84, Resulting Numbers: [84] 84,70 unequal: No Solution Exploring Operation: 80/4=20, Resulting Numbers: [20] 20,70 unequal: No Solution Exploring Operation: 80-4=76, Resulting Numbers: [76] 76,70 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 #0,2 Current State: 70:[96, 80, 12], Operations: ['52-40=12'] Exploring Operation: 96-12=84, Resulting Numbers: [80, 84] Generated Node #0,2,0: 70:[80, 84] Operation: 96-12=84 Exploring Operation: 96-80=16, Resulting Numbers: [12, 16] Generated Node #0,2,1: 70:[12, 16] Operation: 96-80=16 Exploring Operation: 96/12=8, Resulting Numbers: [80, 8] Generated Node #0,2,2: 70:[80, 8] Operation: 96/12=8 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 70:[12, 16], Operations: ['52-40=12', '96-80=16'] Exploring Operation: 12*16=192, Resulting Numbers: [192] 192,70 unequal: No Solution Exploring Operation: 12+16=28, Resulting Numbers: [28] 28,70 unequal: No Solution Exploring Operation: 16-12=4, Resulting Numbers: [4] 4,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,2 Current State: 70:[80, 8], Operations: ['52-40=12', '96/12=8'] Exploring Operation: 80+8=88, Resulting Numbers: [88] 88,70 unequal: No Solution Exploring Operation: 80-8=72, Resulting Numbers: [72] 72,70 unequal: No Solution Exploring Operation: 80/8=10, Resulting Numbers: [10] 10,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search Start Sub Search at level 2: Moving to Node #0,2,0 Current State: 70:[80, 84], Operations: ['52-40=12', '96-12=84'] Exploring Operation: 80*84=6720, Resulting Numbers: [6720] 6720,70 unequal: No Solution Exploring Operation: 84-80=4, Resulting Numbers: [4] 4,70 unequal: No Solution Exploring Operation: 80+84=164, Resulting Numbers: [164] 164,70 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_3
sum_heuristic
[ 14, 61, 54, 45 ]
90
[ "14+61=75", "54*75=4050", "4050/45=90" ]
Current State: 90:[14, 61, 54, 45], Operations: [] Exploring Operation: 14+61=75, Resulting Numbers: [54, 45, 75] Generated Node #2: [54, 45, 75] from Operation: 14+61=75 Current State: 90:[54, 45, 75], Operations: ['14+61=75'] Exploring Operation: 54*75=4050, Resulting Numbers: [45, 4050] Generated Node #3: [45, 4050] from Operation: 54*75=4050 Current State: 90:[45, 4050], Operations: ['14+61=75', '54*75=4050'] Exploring Operation: 4050/45=90, Resulting Numbers: [90] 90,90 equal: Goal Reached
4
Current State: 90:[14, 61, 54, 45], Operations: [] Exploring Operation: 54-14=40, Resulting Numbers: [61, 45, 40] Generated Node #0,0: 90:[61, 45, 40] Operation: 54-14=40 Exploring Operation: 61-54=7, Resulting Numbers: [14, 45, 7] Generated Node #0,1: 90:[14, 45, 7] Operation: 61-54=7 Exploring Operation: 54-45=9, Resulting Numbers: [14, 61, 9] Generated Node #0,2: 90:[14, 61, 9] Operation: 54-45=9 Exploring Operation: 61-14=47, Resulting Numbers: [54, 45, 47] Generated Node #0,3: 90:[54, 45, 47] Operation: 61-14=47 Exploring Operation: 61-45=16, Resulting Numbers: [14, 54, 16] Generated Node #0,4: 90:[14, 54, 16] Operation: 61-45=16 Start Sub Search at level 1: Moving to Node #0,1 Current State: 90:[14, 45, 7], Operations: ['61-54=7'] Exploring Operation: 14+7=21, Resulting Numbers: [45, 21] Generated Node #0,1,0: 90:[45, 21] Operation: 14+7=21 Exploring Operation: 14*7=98, Resulting Numbers: [45, 98] Generated Node #0,1,1: 90:[45, 98] Operation: 14*7=98 Exploring Operation: 14/7=2, Resulting Numbers: [45, 2] Generated Node #0,1,2: 90:[45, 2] Operation: 14/7=2 Exploring Operation: 45-14=31, Resulting Numbers: [7, 31] Generated Node #0,1,3: 90:[7, 31] Operation: 45-14=31 Exploring Operation: 14-7=7, Resulting Numbers: [45, 7] Generated Node #0,1,4: 90:[45, 7] Operation: 14-7=7 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 90:[45, 2], Operations: ['61-54=7', '14/7=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Moving to Node #0 Current State: 90:[14, 61, 54, 45], Operations: [] Exploring Operation: 61-54=7, Resulting Numbers: [14, 45, 7] Generated Node #0,1: 90:[14, 45, 7] Operation: 61-54=7 Moving to Node #0,1 Current State: 90:[14, 45, 7], Operations: ['61-54=7'] Exploring Operation: 14/7=2, Resulting Numbers: [45, 2] Generated Node #0,1,2: 90:[45, 2] Operation: 14/7=2 Moving to Node #0,1,2 Current State: 90:[45, 2], Operations: ['61-54=7', '14/7=2'] Exploring Operation: 45*2=90, Resulting Numbers: [90] 90,90 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_5
mult_heuristic
[ 91, 78, 90, 7 ]
72
[ "91+78=169", "90+7=97", "169-97=72" ]
Current State: 72:[91, 78, 90, 7], Operations: [] Exploring Operation: 91+78=169, Resulting Numbers: [90, 7, 169] Generated Node #2: [90, 7, 169] from Operation: 91+78=169 Current State: 72:[90, 7, 169], Operations: ['91+78=169'] Exploring Operation: 90+7=97, Resulting Numbers: [169, 97] Generated Node #3: [169, 97] from Operation: 90+7=97 Current State: 72:[169, 97], Operations: ['91+78=169', '90+7=97'] Exploring Operation: 169-97=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
4
Current State: 72:[91, 78, 90, 7], Operations: [] Exploring Operation: 91-90=1, Resulting Numbers: [78, 7, 1] Generated Node #0,0: 72:[78, 7, 1] Operation: 91-90=1 Moving to Node #0,0 Current State: 72:[78, 7, 1], Operations: ['91-90=1'] Exploring Operation: 78-7=71, Resulting Numbers: [1, 71] Generated Node #0,0,0: 72:[1, 71] Operation: 78-7=71 Moving to Node #0,0,0 Current State: 72:[1, 71], Operations: ['91-90=1', '78-7=71'] Exploring Operation: 1+71=72, Resulting Numbers: [72] 72,72 equal: Goal Reached Moving to Node #0 Current State: 72:[91, 78, 90, 7], Operations: [] Exploring Operation: 91-90=1, Resulting Numbers: [78, 7, 1] Generated Node #0,0: 72:[78, 7, 1] Operation: 91-90=1 Moving to Node #0,0 Current State: 72:[78, 7, 1], Operations: ['91-90=1'] Exploring Operation: 78-7=71, Resulting Numbers: [1, 71] Generated Node #0,0,0: 72:[1, 71] Operation: 78-7=71 Moving to Node #0,0,0 Current State: 72:[1, 71], Operations: ['91-90=1', '78-7=71'] Exploring Operation: 1+71=72, Resulting Numbers: [72] 72,72 equal: Goal Reached
0.993924
hs_1
mult_heuristic
[ 61, 84, 85, 37 ]
98
[ "61+37=98", "85-84=1", "98*1=98" ]
Current State: 98:[61, 84, 85, 37], Operations: [] Exploring Operation: 61+37=98, Resulting Numbers: [84, 85, 98] Generated Node #2: [84, 85, 98] from Operation: 61+37=98 Current State: 98:[84, 85, 98], Operations: ['61+37=98'] Exploring Operation: 85-84=1, Resulting Numbers: [98, 1] Generated Node #3: [98, 1] from Operation: 85-84=1 Current State: 98:[98, 1], Operations: ['61+37=98', '85-84=1'] Exploring Operation: 98*1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[61, 84, 85, 37], Operations: [] Exploring Operation: 85-37=48, Resulting Numbers: [61, 84, 48] Generated Node #0,0: 98:[61, 84, 48] Operation: 85-37=48 Exploring Operation: 85-84=1, Resulting Numbers: [61, 37, 1] Generated Node #0,1: 98:[61, 37, 1] Operation: 85-84=1 Exploring Operation: 84-37=47, Resulting Numbers: [61, 85, 47] Generated Node #0,2: 98:[61, 85, 47] Operation: 84-37=47 Exploring Operation: 61+37=98, Resulting Numbers: [84, 85, 98] Generated Node #0,3: 98:[84, 85, 98] Operation: 61+37=98 Start Sub Search at level 1: Moving to Node #0,1 Current State: 98:[61, 37, 1], Operations: ['85-84=1'] Exploring Operation: 37+1=38, Resulting Numbers: [61, 38] Generated Node #0,1,0: 98:[61, 38] Operation: 37+1=38 Exploring Operation: 61+37=98, Resulting Numbers: [1, 98] Generated Node #0,1,1: 98:[1, 98] Operation: 61+37=98 Exploring Operation: 61-1=60, Resulting Numbers: [37, 60] Generated Node #0,1,2: 98:[37, 60] Operation: 61-1=60 Exploring Operation: 61-37=24, Resulting Numbers: [1, 24] Generated Node #0,1,3: 98:[1, 24] Operation: 61-37=24 Moving to Node #0,1,1 Current State: 98:[1, 98], Operations: ['85-84=1', '61+37=98'] Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[61, 84, 85, 37], Operations: [] Exploring Operation: 85-84=1, Resulting Numbers: [61, 37, 1] Generated Node #0,1: 98:[61, 37, 1] Operation: 85-84=1 Moving to Node #0,1 Current State: 98:[61, 37, 1], Operations: ['85-84=1'] Exploring Operation: 61+37=98, Resulting Numbers: [1, 98] Generated Node #0,1,1: 98:[1, 98] Operation: 61+37=98 Moving to Node #0,1,1 Current State: 98:[1, 98], Operations: ['85-84=1', '61+37=98'] Exploring Operation: 98/1=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_4
mult_heuristic
[ 32, 15, 30, 28 ]
62
[ "32+28=60", "30/15=2", "60+2=62" ]
Current State: 62:[32, 15, 30, 28], Operations: [] Exploring Operation: 32+28=60, Resulting Numbers: [15, 30, 60] Generated Node #2: [15, 30, 60] from Operation: 32+28=60 Current State: 62:[15, 30, 60], Operations: ['32+28=60'] Exploring Operation: 30/15=2, Resulting Numbers: [60, 2] Generated Node #3: [60, 2] from Operation: 30/15=2 Current State: 62:[60, 2], Operations: ['32+28=60', '30/15=2'] Exploring Operation: 60+2=62, Resulting Numbers: [62] 62,62 equal: Goal Reached
4
Current State: 62:[32, 15, 30, 28], Operations: [] Exploring Operation: 15+28=43, Resulting Numbers: [32, 30, 43] Generated Node #0,0: 62:[32, 30, 43] Operation: 15+28=43 Exploring Operation: 30-28=2, Resulting Numbers: [32, 15, 2] Generated Node #0,1: 62:[32, 15, 2] Operation: 30-28=2 Exploring Operation: 32+30=62, Resulting Numbers: [15, 28, 62] Generated Node #0,2: 62:[15, 28, 62] Operation: 32+30=62 Exploring Operation: 28-15=13, Resulting Numbers: [32, 30, 13] Generated Node #0,3: 62:[32, 30, 13] Operation: 28-15=13 Exploring Operation: 30/15=2, Resulting Numbers: [32, 28, 2] Generated Node #0,4: 62:[32, 28, 2] Operation: 30/15=2 Moving to Node #0,4 Current State: 62:[32, 28, 2], Operations: ['30/15=2'] Exploring Operation: 32-2=30, Resulting Numbers: [28, 30] Generated Node #0,4,0: 62:[28, 30] Operation: 32-2=30 Exploring Operation: 28+2=30, Resulting Numbers: [32, 30] Generated Node #0,4,1: 62:[32, 30] Operation: 28+2=30 Exploring Operation: 32+28=60, Resulting Numbers: [2, 60] Generated Node #0,4,2: 62:[2, 60] Operation: 32+28=60 Exploring Operation: 32*2=64, Resulting Numbers: [28, 64] Generated Node #0,4,3: 62:[28, 64] Operation: 32*2=64 Exploring Operation: 32-28=4, Resulting Numbers: [2, 4] Generated Node #0,4,4: 62:[2, 4] Operation: 32-28=4 Moving to Node #0,3 Current State: 62:[32, 30, 13], Operations: ['28-15=13'] Exploring Operation: 32-13=19, Resulting Numbers: [30, 19] Generated Node #0,3,0: 62:[30, 19] Operation: 32-13=19 Exploring Operation: 32-30=2, Resulting Numbers: [13, 2] Generated Node #0,3,1: 62:[13, 2] Operation: 32-30=2 Exploring Operation: 32+30=62, Resulting Numbers: [13, 62] Generated Node #0,3,2: 62:[13, 62] Operation: 32+30=62 Exploring Operation: 30+13=43, Resulting Numbers: [32, 43] Generated Node #0,3,3: 62:[32, 43] Operation: 30+13=43 Exploring Operation: 32+13=45, Resulting Numbers: [30, 45] Generated Node #0,3,4: 62:[30, 45] Operation: 32+13=45 Moving to Node #0,0 Current State: 62:[32, 30, 43], Operations: ['15+28=43'] Exploring Operation: 32+30=62, Resulting Numbers: [43, 62] Generated Node #0,0,0: 62:[43, 62] Operation: 32+30=62 Exploring Operation: 30+43=73, Resulting Numbers: [32, 73] Generated Node #0,0,1: 62:[32, 73] Operation: 30+43=73 Exploring Operation: 43-32=11, Resulting Numbers: [30, 11] Generated Node #0,0,2: 62:[30, 11] Operation: 43-32=11 Exploring Operation: 43-30=13, Resulting Numbers: [32, 13] Generated Node #0,0,3: 62:[32, 13] Operation: 43-30=13 Exploring Operation: 32-30=2, Resulting Numbers: [43, 2] Generated Node #0,0,4: 62:[43, 2] Operation: 32-30=2 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 62:[30, 11], Operations: ['15+28=43', '43-32=11'] Exploring Operation: 30-11=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 30*11=330, Resulting Numbers: [330] 330,62 unequal: No Solution Exploring Operation: 30+11=41, Resulting Numbers: [41] 41,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 62:[43, 62], Operations: ['15+28=43', '32+30=62'] Exploring Operation: 43*62=2666, Resulting Numbers: [2666] 2666,62 unequal: No Solution Exploring Operation: 62-43=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 43+62=105, Resulting Numbers: [105] 105,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 62:[32, 73], Operations: ['15+28=43', '30+43=73'] Exploring Operation: 73-32=41, Resulting Numbers: [41] 41,62 unequal: No Solution Exploring Operation: 32+73=105, Resulting Numbers: [105] 105,62 unequal: No Solution Exploring Operation: 32*73=2336, Resulting Numbers: [2336] 2336,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 62:[32, 13], Operations: ['15+28=43', '43-30=13'] Exploring Operation: 32+13=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 32-13=19, Resulting Numbers: [19] 19,62 unequal: No Solution Exploring Operation: 32*13=416, Resulting Numbers: [416] 416,62 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 62:[43, 2], Operations: ['15+28=43', '32-30=2'] Exploring Operation: 43+2=45, Resulting Numbers: [45] 45,62 unequal: No Solution Exploring Operation: 43-2=41, Resulting Numbers: [41] 41,62 unequal: No Solution Exploring Operation: 43*2=86, Resulting Numbers: [86] 86,62 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: 62:[32, 15, 2], Operations: ['30-28=2'] Exploring Operation: 15*2=30, Resulting Numbers: [32, 30] Generated Node #0,1,0: 62:[32, 30] Operation: 15*2=30 Exploring Operation: 32-2=30, Resulting Numbers: [15, 30] Generated Node #0,1,1: 62:[15, 30] Operation: 32-2=30 Exploring Operation: 32-15=17, Resulting Numbers: [2, 17] Generated Node #0,1,2: 62:[2, 17] Operation: 32-15=17 Exploring Operation: 15-2=13, Resulting Numbers: [32, 13] Generated Node #0,1,3: 62:[32, 13] Operation: 15-2=13 Exploring Operation: 32+15=47, Resulting Numbers: [2, 47] Generated Node #0,1,4: 62:[2, 47] Operation: 32+15=47 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 62:[32, 30], Operations: ['30-28=2', '15*2=30'] Exploring Operation: 32*30=960, Resulting Numbers: [960] 960,62 unequal: No Solution Exploring Operation: 32-30=2, Resulting Numbers: [2] 2,62 unequal: No Solution Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Moving to Node #0 Current State: 62:[32, 15, 30, 28], Operations: [] Exploring Operation: 30-28=2, Resulting Numbers: [32, 15, 2] Generated Node #0,1: 62:[32, 15, 2] Operation: 30-28=2 Moving to Node #0,1 Current State: 62:[32, 15, 2], Operations: ['30-28=2'] Exploring Operation: 15*2=30, Resulting Numbers: [32, 30] Generated Node #0,1,0: 62:[32, 30] Operation: 15*2=30 Moving to Node #0,1,0 Current State: 62:[32, 30], Operations: ['30-28=2', '15*2=30'] Exploring Operation: 32+30=62, Resulting Numbers: [62] 62,62 equal: Goal Reached Exit Sub Search at level 1
0.959201
hs_5
mult_heuristic
[ 91, 3, 67, 61 ]
88
[ "91+3=94", "67-61=6", "94-6=88" ]
Current State: 88:[91, 3, 67, 61], Operations: [] Exploring Operation: 91+3=94, Resulting Numbers: [67, 61, 94] Generated Node #2: [67, 61, 94] from Operation: 91+3=94 Current State: 88:[67, 61, 94], Operations: ['91+3=94'] Exploring Operation: 67-61=6, Resulting Numbers: [94, 6] Generated Node #3: [94, 6] from Operation: 67-61=6 Current State: 88:[94, 6], Operations: ['91+3=94', '67-61=6'] Exploring Operation: 94-6=88, Resulting Numbers: [88] 88,88 equal: Goal Reached
4
Current State: 88:[91, 3, 67, 61], Operations: [] Exploring Operation: 67-61=6, Resulting Numbers: [91, 3, 6] Generated Node #0,0: 88:[91, 3, 6] Operation: 67-61=6 Start Sub Search at level 1: Moving to Node #0,0 Current State: 88:[91, 3, 6], Operations: ['67-61=6'] Exploring Operation: 91-3=88, Resulting Numbers: [6, 88] Generated Node #0,0,0: 88:[6, 88] Operation: 91-3=88 Moving to Node #0,0,0 Current State: 88:[6, 88], Operations: ['67-61=6', '91-3=88'] Exploring Operation: 6+88=94, Resulting Numbers: [94] 94,88 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
[ 80, 9, 14, 36 ]
10
[ "80+36=116", "9*14=126", "126-116=10" ]
Current State: 10:[80, 9, 14, 36], Operations: [] Exploring Operation: 80+36=116, Resulting Numbers: [9, 14, 116] Generated Node #2: [9, 14, 116] from Operation: 80+36=116 Current State: 10:[9, 14, 116], Operations: ['80+36=116'] Exploring Operation: 9*14=126, Resulting Numbers: [116, 126] Generated Node #3: [116, 126] from Operation: 9*14=126 Current State: 10:[116, 126], Operations: ['80+36=116', '9*14=126'] Exploring Operation: 126-116=10, Resulting Numbers: [10] 10,10 equal: Goal Reached
4
Current State: 10:[80, 9, 14, 36], Operations: [] Exploring Operation: 36/9=4, Resulting Numbers: [80, 14, 4] Generated Node #0,0: 10:[80, 14, 4] Operation: 36/9=4 Exploring Operation: 80-36=44, Resulting Numbers: [9, 14, 44] Generated Node #0,1: 10:[9, 14, 44] Operation: 80-36=44 Exploring Operation: 36-14=22, Resulting Numbers: [80, 9, 22] Generated Node #0,2: 10:[80, 9, 22] Operation: 36-14=22 Exploring Operation: 80-9=71, Resulting Numbers: [14, 36, 71] Generated Node #0,3: 10:[14, 36, 71] Operation: 80-9=71 Exploring Operation: 80-14=66, Resulting Numbers: [9, 36, 66] Generated Node #0,4: 10:[9, 36, 66] Operation: 80-14=66 Start Sub Search at level 1: Moving to Node #0,1 Current State: 10:[9, 14, 44], Operations: ['80-36=44'] Exploring Operation: 14-9=5, Resulting Numbers: [44, 5] Generated Node #0,1,0: 10:[44, 5] Operation: 14-9=5 Exploring Operation: 9+14=23, Resulting Numbers: [44, 23] Generated Node #0,1,1: 10:[44, 23] Operation: 9+14=23 Exploring Operation: 44-14=30, Resulting Numbers: [9, 30] Generated Node #0,1,2: 10:[9, 30] Operation: 44-14=30 Exploring Operation: 9+44=53, Resulting Numbers: [14, 53] Generated Node #0,1,3: 10:[14, 53] Operation: 9+44=53 Exploring Operation: 44-9=35, Resulting Numbers: [14, 35] Generated Node #0,1,4: 10:[14, 35] Operation: 44-9=35 Start Sub Search at level 2: Moving to Node #0,1,2 Current State: 10:[9, 30], Operations: ['80-36=44', '44-14=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 9*30=270, Resulting Numbers: [270] 270,10 unequal: No Solution No 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: 10:[14, 35], Operations: ['80-36=44', '44-9=35'] Exploring Operation: 14+35=49, Resulting Numbers: [49] 49,10 unequal: No Solution Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 14*35=490, Resulting Numbers: [490] 490,10 unequal: No Solution No 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: 10:[44, 5], Operations: ['80-36=44', '14-9=5'] Exploring Operation: 44+5=49, Resulting Numbers: [49] 49,10 unequal: No Solution Exploring Operation: 44-5=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 44*5=220, Resulting Numbers: [220] 220,10 unequal: No Solution No 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: 10:[44, 23], Operations: ['80-36=44', '9+14=23'] Exploring Operation: 44-23=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 44+23=67, Resulting Numbers: [67] 67,10 unequal: No Solution Exploring Operation: 44*23=1012, Resulting Numbers: [1012] 1012,10 unequal: No Solution No 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: 10:[14, 53], Operations: ['80-36=44', '9+44=53'] Exploring Operation: 14+53=67, Resulting Numbers: [67] 67,10 unequal: No Solution Exploring Operation: 53-14=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 14*53=742, Resulting Numbers: [742] 742,10 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: 10:[80, 14, 4], Operations: ['36/9=4'] Exploring Operation: 80-4=76, Resulting Numbers: [14, 76] Generated Node #0,0,0: 10:[14, 76] Operation: 80-4=76 Exploring Operation: 80+4=84, Resulting Numbers: [14, 84] Generated Node #0,0,1: 10:[14, 84] Operation: 80+4=84 Exploring Operation: 80-14=66, Resulting Numbers: [4, 66] Generated Node #0,0,2: 10:[4, 66] Operation: 80-14=66 Exploring Operation: 14-4=10, Resulting Numbers: [80, 10] Generated Node #0,0,3: 10:[80, 10] Operation: 14-4=10 Exploring Operation: 80/4=20, Resulting Numbers: [14, 20] Generated Node #0,0,4: 10:[14, 20] Operation: 80/4=20 Moving to Node #0,0,4 Current State: 10:[14, 20], Operations: ['36/9=4', '80/4=20'] Exploring Operation: 14*20=280, Resulting Numbers: [280] 280,10 unequal: No Solution Exploring Operation: 20-14=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 14+20=34, Resulting Numbers: [34] 34,10 unequal: No Solution Moving to Node #0,0,2 Current State: 10:[4, 66], Operations: ['36/9=4', '80-14=66'] Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,10 unequal: No Solution Exploring Operation: 4+66=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 4*66=264, Resulting Numbers: [264] 264,10 unequal: No Solution Moving to Node #0,0,0 Current State: 10:[14, 76], Operations: ['36/9=4', '80-4=76'] Exploring Operation: 76-14=62, Resulting Numbers: [62] 62,10 unequal: No Solution Exploring Operation: 14+76=90, Resulting Numbers: [90] 90,10 unequal: No Solution Exploring Operation: 14*76=1064, Resulting Numbers: [1064] 1064,10 unequal: No Solution Moving to Node #0,0,3 Current State: 10:[80, 10], Operations: ['36/9=4', '14-4=10'] Exploring Operation: 80/10=8, Resulting Numbers: [8] 8,10 unequal: No Solution Exploring Operation: 80*10=800, Resulting Numbers: [800] 800,10 unequal: No Solution Exploring Operation: 80-10=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 80+10=90, Resulting Numbers: [90] 90,10 unequal: No Solution Moving to Node #0,0,1 Current State: 10:[14, 84], Operations: ['36/9=4', '80+4=84'] Exploring Operation: 84-14=70, Resulting Numbers: [70] 70,10 unequal: No Solution Exploring Operation: 84/14=6, Resulting Numbers: [6] 6,10 unequal: No Solution Exploring Operation: 14*84=1176, Resulting Numbers: [1176] 1176,10 unequal: No Solution Exploring Operation: 14+84=98, Resulting Numbers: [98] 98,10 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2 Current State: 10:[80, 9, 22], Operations: ['36-14=22'] Exploring Operation: 22-9=13, Resulting Numbers: [80, 13] Generated Node #0,2,0: 10:[80, 13] Operation: 22-9=13 Exploring Operation: 80-22=58, Resulting Numbers: [9, 58] Generated Node #0,2,1: 10:[9, 58] Operation: 80-22=58 Exploring Operation: 80-9=71, Resulting Numbers: [22, 71] Generated Node #0,2,2: 10:[22, 71] Operation: 80-9=71 Exploring Operation: 9+22=31, Resulting Numbers: [80, 31] Generated Node #0,2,3: 10:[80, 31] Operation: 9+22=31 Exploring Operation: 80+9=89, Resulting Numbers: [22, 89] Generated Node #0,2,4: 10:[22, 89] Operation: 80+9=89 Start Sub Search at level 2: Moving to Node #0,2,1 Current State: 10:[9, 58], Operations: ['36-14=22', '80-22=58'] Exploring Operation: 9*58=522, Resulting Numbers: [522] 522,10 unequal: No Solution Exploring Operation: 9+58=67, Resulting Numbers: [67] 67,10 unequal: No Solution Exploring Operation: 58-9=49, Resulting Numbers: [49] 49,10 unequal: No Solution No 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: 10:[80, 13], Operations: ['36-14=22', '22-9=13'] Exploring Operation: 80-13=67, Resulting Numbers: [67] 67,10 unequal: No Solution Exploring Operation: 80+13=93, Resulting Numbers: [93] 93,10 unequal: No Solution Exploring Operation: 80*13=1040, Resulting Numbers: [1040] 1040,10 unequal: No Solution No 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: 10:[22, 71], Operations: ['36-14=22', '80-9=71'] Exploring Operation: 22+71=93, Resulting Numbers: [93] 93,10 unequal: No Solution Exploring Operation: 22*71=1562, Resulting Numbers: [1562] 1562,10 unequal: No Solution Exploring Operation: 71-22=49, Resulting Numbers: [49] 49,10 unequal: No Solution No 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: 10:[80, 31], Operations: ['36-14=22', '9+22=31'] Exploring Operation: 80*31=2480, Resulting Numbers: [2480] 2480,10 unequal: No Solution Exploring Operation: 80+31=111, Resulting Numbers: [111] 111,10 unequal: No Solution Exploring Operation: 80-31=49, Resulting Numbers: [49] 49,10 unequal: No Solution No 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: 10:[22, 89], Operations: ['36-14=22', '80+9=89'] Exploring Operation: 22+89=111, Resulting Numbers: [111] 111,10 unequal: No Solution Exploring Operation: 89-22=67, Resulting Numbers: [67] 67,10 unequal: No Solution Exploring Operation: 22*89=1958, Resulting Numbers: [1958] 1958,10 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: 10:[9, 36, 66], Operations: ['80-14=66'] Exploring Operation: 9+36=45, Resulting Numbers: [66, 45] Generated Node #0,4,0: 10:[66, 45] Operation: 9+36=45 Exploring Operation: 66-9=57, Resulting Numbers: [36, 57] Generated Node #0,4,1: 10:[36, 57] Operation: 66-9=57 Exploring Operation: 66-36=30, Resulting Numbers: [9, 30] Generated Node #0,4,2: 10:[9, 30] Operation: 66-36=30 Exploring Operation: 36-9=27, Resulting Numbers: [66, 27] Generated Node #0,4,3: 10:[66, 27] Operation: 36-9=27 Exploring Operation: 36/9=4, Resulting Numbers: [66, 4] Generated Node #0,4,4: 10:[66, 4] Operation: 36/9=4 Start Sub Search at level 2: Moving to Node #0,4,2 Current State: 10:[9, 30], Operations: ['80-14=66', '66-36=30'] Exploring Operation: 30-9=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 9+30=39, Resulting Numbers: [39] 39,10 unequal: No Solution Exploring Operation: 9*30=270, Resulting Numbers: [270] 270,10 unequal: No Solution No 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: 10:[66, 4], Operations: ['80-14=66', '36/9=4'] Exploring Operation: 66*4=264, Resulting Numbers: [264] 264,10 unequal: No Solution Exploring Operation: 66-4=62, Resulting Numbers: [62] 62,10 unequal: No Solution Exploring Operation: 66+4=70, Resulting Numbers: [70] 70,10 unequal: No Solution No 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: 10:[36, 57], Operations: ['80-14=66', '66-9=57'] Exploring Operation: 36+57=93, Resulting Numbers: [93] 93,10 unequal: No Solution Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 36*57=2052, Resulting Numbers: [2052] 2052,10 unequal: No Solution No 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: 10:[66, 27], Operations: ['80-14=66', '36-9=27'] Exploring Operation: 66*27=1782, Resulting Numbers: [1782] 1782,10 unequal: No Solution Exploring Operation: 66+27=93, Resulting Numbers: [93] 93,10 unequal: No Solution Exploring Operation: 66-27=39, Resulting Numbers: [39] 39,10 unequal: No Solution No 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: 10:[66, 45], Operations: ['80-14=66', '9+36=45'] Exploring Operation: 66+45=111, Resulting Numbers: [111] 111,10 unequal: No Solution Exploring Operation: 66-45=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 66*45=2970, Resulting Numbers: [2970] 2970,10 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: 10:[14, 36, 71], Operations: ['80-9=71'] Exploring Operation: 71-14=57, Resulting Numbers: [36, 57] Generated Node #0,3,0: 10:[36, 57] Operation: 71-14=57 Exploring Operation: 71-36=35, Resulting Numbers: [14, 35] Generated Node #0,3,1: 10:[14, 35] Operation: 71-36=35 Exploring Operation: 14+36=50, Resulting Numbers: [71, 50] Generated Node #0,3,2: 10:[71, 50] Operation: 14+36=50 Exploring Operation: 36-14=22, Resulting Numbers: [71, 22] Generated Node #0,3,3: 10:[71, 22] Operation: 36-14=22 Exploring Operation: 14+71=85, Resulting Numbers: [36, 85] Generated Node #0,3,4: 10:[36, 85] Operation: 14+71=85 Start Sub Search at level 2: Moving to Node #0,3,1 Current State: 10:[14, 35], Operations: ['80-9=71', '71-36=35'] Exploring Operation: 14+35=49, Resulting Numbers: [49] 49,10 unequal: No Solution Exploring Operation: 35-14=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 14*35=490, Resulting Numbers: [490] 490,10 unequal: No Solution No 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: 10:[36, 57], Operations: ['80-9=71', '71-14=57'] Exploring Operation: 57-36=21, Resulting Numbers: [21] 21,10 unequal: No Solution Exploring Operation: 36*57=2052, Resulting Numbers: [2052] 2052,10 unequal: No Solution Exploring Operation: 36+57=93, Resulting Numbers: [93] 93,10 unequal: No Solution No 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: 10:[71, 22], Operations: ['80-9=71', '36-14=22'] Exploring Operation: 71-22=49, Resulting Numbers: [49] 49,10 unequal: No Solution Exploring Operation: 71+22=93, Resulting Numbers: [93] 93,10 unequal: No Solution Exploring Operation: 71*22=1562, Resulting Numbers: [1562] 1562,10 unequal: No Solution No 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: 10:[71, 50], Operations: ['80-9=71', '14+36=50'] Exploring Operation: 71+50=121, Resulting Numbers: [121] 121,10 unequal: No Solution Exploring Operation: 71*50=3550, Resulting Numbers: [3550] 3550,10 unequal: No Solution Exploring Operation: 71-50=21, Resulting Numbers: [21] 21,10 unequal: No Solution No 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: 10:[36, 85], Operations: ['80-9=71', '14+71=85'] Exploring Operation: 36*85=3060, Resulting Numbers: [3060] 3060,10 unequal: No Solution Exploring Operation: 36+85=121, Resulting Numbers: [121] 121,10 unequal: No Solution Exploring Operation: 85-36=49, Resulting Numbers: [49] 49,10 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
[ 75, 50, 17, 85 ]
12
[ "85-75=10", "50/10=5", "17-5=12" ]
Current State: 12:[75, 50, 17, 85], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [50, 17, 10] Generated Node #2: [50, 17, 10] from Operation: 85-75=10 Current State: 12:[50, 17, 10], Operations: ['85-75=10'] Exploring Operation: 50/10=5, Resulting Numbers: [17, 5] Generated Node #3: [17, 5] from Operation: 50/10=5 Current State: 12:[17, 5], Operations: ['85-75=10', '50/10=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached
4
Current State: 12:[75, 50, 17, 85], Operations: [] Exploring Operation: 75-50=25, Resulting Numbers: [17, 85, 25] Generated Node #0,0: 12:[17, 85, 25] Operation: 75-50=25 Exploring Operation: 85-50=35, Resulting Numbers: [75, 17, 35] Generated Node #0,1: 12:[75, 17, 35] Operation: 85-50=35 Exploring Operation: 85-75=10, Resulting Numbers: [50, 17, 10] Generated Node #0,2: 12:[50, 17, 10] Operation: 85-75=10 Moving to Node #0,2 Current State: 12:[50, 17, 10], Operations: ['85-75=10'] Exploring Operation: 50-10=40, Resulting Numbers: [17, 40] Generated Node #0,2,0: 12:[17, 40] Operation: 50-10=40 Exploring Operation: 50-17=33, Resulting Numbers: [10, 33] Generated Node #0,2,1: 12:[10, 33] Operation: 50-17=33 Exploring Operation: 50/10=5, Resulting Numbers: [17, 5] Generated Node #0,2,2: 12:[17, 5] Operation: 50/10=5 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 12:[17, 5], Operations: ['85-75=10', '50/10=5'] Exploring Operation: 17*5=85, Resulting Numbers: [85] 85,12 unequal: No Solution Exploring Operation: 17+5=22, Resulting Numbers: [22] 22,12 unequal: No Solution Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Moving to Node #0 Current State: 12:[75, 50, 17, 85], Operations: [] Exploring Operation: 85-75=10, Resulting Numbers: [50, 17, 10] Generated Node #0,2: 12:[50, 17, 10] Operation: 85-75=10 Moving to Node #0,2 Current State: 12:[50, 17, 10], Operations: ['85-75=10'] Exploring Operation: 50/10=5, Resulting Numbers: [17, 5] Generated Node #0,2,2: 12:[17, 5] Operation: 50/10=5 Moving to Node #0,2,2 Current State: 12:[17, 5], Operations: ['85-75=10', '50/10=5'] Exploring Operation: 17-5=12, Resulting Numbers: [12] 12,12 equal: Goal Reached Exit Sub Search at level 1
0.988715
hs_3
sum_heuristic
[ 89, 60, 78, 27 ]
98
[ "89+60=149", "78-27=51", "149-51=98" ]
Current State: 98:[89, 60, 78, 27], Operations: [] Exploring Operation: 89+60=149, Resulting Numbers: [78, 27, 149] Generated Node #2: [78, 27, 149] from Operation: 89+60=149 Current State: 98:[78, 27, 149], Operations: ['89+60=149'] Exploring Operation: 78-27=51, Resulting Numbers: [149, 51] Generated Node #3: [149, 51] from Operation: 78-27=51 Current State: 98:[149, 51], Operations: ['89+60=149', '78-27=51'] Exploring Operation: 149-51=98, Resulting Numbers: [98] 98,98 equal: Goal Reached
4
Current State: 98:[89, 60, 78, 27], Operations: [] Exploring Operation: 78+27=105, Resulting Numbers: [89, 60, 105] Generated Node #0,0: 98:[89, 60, 105] Operation: 78+27=105 Exploring Operation: 78-27=51, Resulting Numbers: [89, 60, 51] Generated Node #0,1: 98:[89, 60, 51] Operation: 78-27=51 Exploring Operation: 89-78=11, Resulting Numbers: [60, 27, 11] Generated Node #0,2: 98:[60, 27, 11] Operation: 89-78=11 Exploring Operation: 78-60=18, Resulting Numbers: [89, 27, 18] Generated Node #0,3: 98:[89, 27, 18] Operation: 78-60=18 Moving to Node #0,1 Current State: 98:[89, 60, 51], Operations: ['78-27=51'] Exploring Operation: 60+51=111, Resulting Numbers: [89, 111] Generated Node #0,1,0: 98:[89, 111] Operation: 60+51=111 Exploring Operation: 60-51=9, Resulting Numbers: [89, 9] Generated Node #0,1,1: 98:[89, 9] Operation: 60-51=9 Exploring Operation: 89-51=38, Resulting Numbers: [60, 38] Generated Node #0,1,2: 98:[60, 38] Operation: 89-51=38 Exploring Operation: 89-60=29, Resulting Numbers: [51, 29] Generated Node #0,1,3: 98:[51, 29] Operation: 89-60=29 Moving to Node #0,3 Current State: 98:[89, 27, 18], Operations: ['78-60=18'] Exploring Operation: 27+18=45, Resulting Numbers: [89, 45] Generated Node #0,3,0: 98:[89, 45] Operation: 27+18=45 Exploring Operation: 89-27=62, Resulting Numbers: [18, 62] Generated Node #0,3,1: 98:[18, 62] Operation: 89-27=62 Exploring Operation: 27-18=9, Resulting Numbers: [89, 9] Generated Node #0,3,2: 98:[89, 9] Operation: 27-18=9 Exploring Operation: 89+27=116, Resulting Numbers: [18, 116] Generated Node #0,3,3: 98:[18, 116] Operation: 89+27=116 Moving to Node #0,2 Current State: 98:[60, 27, 11], Operations: ['89-78=11'] Exploring Operation: 60-11=49, Resulting Numbers: [27, 49] Generated Node #0,2,0: 98:[27, 49] Operation: 60-11=49 Exploring Operation: 60+27=87, Resulting Numbers: [11, 87] Generated Node #0,2,1: 98:[11, 87] Operation: 60+27=87 Exploring Operation: 60-27=33, Resulting Numbers: [11, 33] Generated Node #0,2,2: 98:[11, 33] Operation: 60-27=33 Exploring Operation: 27-11=16, Resulting Numbers: [60, 16] Generated Node #0,2,3: 98:[60, 16] Operation: 27-11=16 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 98:[27, 49], Operations: ['89-78=11', '60-11=49'] Exploring Operation: 49-27=22, Resulting Numbers: [22] 22,98 unequal: No Solution Exploring Operation: 27+49=76, Resulting Numbers: [76] 76,98 unequal: No Solution Exploring Operation: 27*49=1323, Resulting Numbers: [1323] 1323,98 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 #0,2,3 Current State: 98:[60, 16], Operations: ['89-78=11', '27-11=16'] Exploring Operation: 60*16=960, Resulting Numbers: [960] 960,98 unequal: No Solution Exploring Operation: 60+16=76, Resulting Numbers: [76] 76,98 unequal: No Solution Exploring Operation: 60-16=44, Resulting Numbers: [44] 44,98 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 98:[11, 87], Operations: ['89-78=11', '60+27=87'] Exploring Operation: 11+87=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Moving to Node #0 Current State: 98:[89, 60, 78, 27], Operations: [] Exploring Operation: 89-78=11, Resulting Numbers: [60, 27, 11] Generated Node #0,2: 98:[60, 27, 11] Operation: 89-78=11 Moving to Node #0,2 Current State: 98:[60, 27, 11], Operations: ['89-78=11'] Exploring Operation: 60+27=87, Resulting Numbers: [11, 87] Generated Node #0,2,1: 98:[11, 87] Operation: 60+27=87 Moving to Node #0,2,1 Current State: 98:[11, 87], Operations: ['89-78=11', '60+27=87'] Exploring Operation: 11+87=98, Resulting Numbers: [98] 98,98 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_4
mult_heuristic
[ 23, 62, 64, 72 ]
77
[ "23+62=85", "72-64=8", "85-8=77" ]
Current State: 77:[23, 62, 64, 72], Operations: [] Exploring Operation: 23+62=85, Resulting Numbers: [64, 72, 85] Generated Node #2: [64, 72, 85] from Operation: 23+62=85 Current State: 77:[64, 72, 85], Operations: ['23+62=85'] Exploring Operation: 72-64=8, Resulting Numbers: [85, 8] Generated Node #3: [85, 8] from Operation: 72-64=8 Current State: 77:[85, 8], Operations: ['23+62=85', '72-64=8'] Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
4
Current State: 77:[23, 62, 64, 72], Operations: [] Exploring Operation: 64-62=2, Resulting Numbers: [23, 72, 2] Generated Node #0,0: 77:[23, 72, 2] Operation: 64-62=2 Exploring Operation: 72-62=10, Resulting Numbers: [23, 64, 10] Generated Node #0,1: 77:[23, 64, 10] Operation: 72-62=10 Exploring Operation: 23+62=85, Resulting Numbers: [64, 72, 85] Generated Node #0,2: 77:[64, 72, 85] Operation: 23+62=85 Exploring Operation: 72-64=8, Resulting Numbers: [23, 62, 8] Generated Node #0,3: 77:[23, 62, 8] Operation: 72-64=8 Moving to Node #0,0 Current State: 77:[23, 72, 2], Operations: ['64-62=2'] Exploring Operation: 72+2=74, Resulting Numbers: [23, 74] Generated Node #0,0,0: 77:[23, 74] Operation: 72+2=74 Exploring Operation: 23+2=25, Resulting Numbers: [72, 25] Generated Node #0,0,1: 77:[72, 25] Operation: 23+2=25 Exploring Operation: 72-2=70, Resulting Numbers: [23, 70] Generated Node #0,0,2: 77:[23, 70] Operation: 72-2=70 Exploring Operation: 23-2=21, Resulting Numbers: [72, 21] Generated Node #0,0,3: 77:[72, 21] Operation: 23-2=21 Moving to Node #0,2 Current State: 77:[64, 72, 85], Operations: ['23+62=85'] Exploring Operation: 85-72=13, Resulting Numbers: [64, 13] Generated Node #0,2,0: 77:[64, 13] Operation: 85-72=13 Exploring Operation: 72-64=8, Resulting Numbers: [85, 8] Generated Node #0,2,1: 77:[85, 8] Operation: 72-64=8 Exploring Operation: 64+72=136, Resulting Numbers: [85, 136] Generated Node #0,2,2: 77:[85, 136] Operation: 64+72=136 Exploring Operation: 85-64=21, Resulting Numbers: [72, 21] Generated Node #0,2,3: 77:[72, 21] Operation: 85-64=21 Moving to Node #0,1 Current State: 77:[23, 64, 10], Operations: ['72-62=10'] Exploring Operation: 23-10=13, Resulting Numbers: [64, 13] Generated Node #0,1,0: 77:[64, 13] Operation: 23-10=13 Exploring Operation: 23+64=87, Resulting Numbers: [10, 87] Generated Node #0,1,1: 77:[10, 87] Operation: 23+64=87 Exploring Operation: 64+10=74, Resulting Numbers: [23, 74] Generated Node #0,1,2: 77:[23, 74] Operation: 64+10=74 Exploring Operation: 64-23=41, Resulting Numbers: [10, 41] Generated Node #0,1,3: 77:[10, 41] Operation: 64-23=41 Moving to Node #0,3 Current State: 77:[23, 62, 8], Operations: ['72-64=8'] Exploring Operation: 62+8=70, Resulting Numbers: [23, 70] Generated Node #0,3,0: 77:[23, 70] Operation: 62+8=70 Exploring Operation: 23+62=85, Resulting Numbers: [8, 85] Generated Node #0,3,1: 77:[8, 85] Operation: 23+62=85 Exploring Operation: 62-23=39, Resulting Numbers: [8, 39] Generated Node #0,3,2: 77:[8, 39] Operation: 62-23=39 Exploring Operation: 23-8=15, Resulting Numbers: [62, 15] Generated Node #0,3,3: 77:[62, 15] Operation: 23-8=15 Moving to Node #0,2,1 Current State: 77:[85, 8], Operations: ['23+62=85', '72-64=8'] Exploring Operation: 85+8=93, Resulting Numbers: [93] 93,77 unequal: No Solution Exploring Operation: 85*8=680, Resulting Numbers: [680] 680,77 unequal: No Solution Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,77 equal: Goal Reached Moving to Node #0 Current State: 77:[23, 62, 64, 72], Operations: [] Exploring Operation: 23+62=85, Resulting Numbers: [64, 72, 85] Generated Node #0,2: 77:[64, 72, 85] Operation: 23+62=85 Moving to Node #0,2 Current State: 77:[64, 72, 85], Operations: ['23+62=85'] Exploring Operation: 72-64=8, Resulting Numbers: [85, 8] Generated Node #0,2,1: 77:[85, 8] Operation: 72-64=8 Moving to Node #0,2,1 Current State: 77:[85, 8], Operations: ['23+62=85', '72-64=8'] Exploring Operation: 85-8=77, Resulting Numbers: [77] 77,77 equal: Goal Reached
0.976563
hs_4
sum_heuristic
[ 50, 69, 43, 83 ]
79
[ "50+69=119", "83-43=40", "119-40=79" ]
Current State: 79:[50, 69, 43, 83], Operations: [] Exploring Operation: 50+69=119, Resulting Numbers: [43, 83, 119] Generated Node #2: [43, 83, 119] from Operation: 50+69=119 Current State: 79:[43, 83, 119], Operations: ['50+69=119'] Exploring Operation: 83-43=40, Resulting Numbers: [119, 40] Generated Node #3: [119, 40] from Operation: 83-43=40 Current State: 79:[119, 40], Operations: ['50+69=119', '83-43=40'] Exploring Operation: 119-40=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[50, 69, 43, 83], Operations: [] Exploring Operation: 50+43=93, Resulting Numbers: [69, 83, 93] Generated Node #0,0: 79:[69, 83, 93] Operation: 50+43=93 Moving to Node #0,0 Current State: 79:[69, 83, 93], Operations: ['50+43=93'] Exploring Operation: 93-69=24, Resulting Numbers: [83, 24] Generated Node #0,0,0: 79:[83, 24] Operation: 93-69=24 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[83, 24], Operations: ['50+43=93', '93-69=24'] Exploring Operation: 83-24=59, Resulting Numbers: [59] 59,79 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
[ 95, 64, 91, 72 ]
59
[ "91-72=19", "95/19=5", "64-5=59" ]
Current State: 59:[95, 64, 91, 72], Operations: [] Exploring Operation: 91-72=19, Resulting Numbers: [95, 64, 19] Generated Node #2: [95, 64, 19] from Operation: 91-72=19 Current State: 59:[95, 64, 19], Operations: ['91-72=19'] Exploring Operation: 95/19=5, Resulting Numbers: [64, 5] Generated Node #3: [64, 5] from Operation: 95/19=5 Current State: 59:[64, 5], Operations: ['91-72=19', '95/19=5'] Exploring Operation: 64-5=59, Resulting Numbers: [59] 59,59 equal: Goal Reached
4
Current State: 59:[95, 64, 91, 72], Operations: [] Exploring Operation: 95-64=31, Resulting Numbers: [91, 72, 31] Generated Node #0,0: 59:[91, 72, 31] Operation: 95-64=31 Moving to Node #0,0 Current State: 59:[91, 72, 31], Operations: ['95-64=31'] Exploring Operation: 91-31=60, Resulting Numbers: [72, 60] Generated Node #0,0,0: 59:[72, 60] Operation: 91-31=60 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 59:[72, 60], Operations: ['95-64=31', '91-31=60'] Exploring Operation: 72-60=12, Resulting Numbers: [12] 12,59 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
[ 82, 25, 16, 96 ]
50
[ "82+16=98", "98-96=2", "25*2=50" ]
Current State: 50:[82, 25, 16, 96], Operations: [] Exploring Operation: 82+16=98, Resulting Numbers: [25, 96, 98] Generated Node #2: [25, 96, 98] from Operation: 82+16=98 Current State: 50:[25, 96, 98], Operations: ['82+16=98'] Exploring Operation: 98-96=2, Resulting Numbers: [25, 2] Generated Node #3: [25, 2] from Operation: 98-96=2 Current State: 50:[25, 2], Operations: ['82+16=98', '98-96=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached
4
Current State: 50:[82, 25, 16, 96], Operations: [] Exploring Operation: 96-82=14, Resulting Numbers: [25, 16, 14] Generated Node #0,0: 50:[25, 16, 14] Operation: 96-82=14 Exploring Operation: 96/16=6, Resulting Numbers: [82, 25, 6] Generated Node #0,1: 50:[82, 25, 6] Operation: 96/16=6 Exploring Operation: 96-25=71, Resulting Numbers: [82, 16, 71] Generated Node #0,2: 50:[82, 16, 71] Operation: 96-25=71 Exploring Operation: 82-25=57, Resulting Numbers: [16, 96, 57] Generated Node #0,3: 50:[16, 96, 57] Operation: 82-25=57 Exploring Operation: 82-16=66, Resulting Numbers: [25, 96, 66] Generated Node #0,4: 50:[25, 96, 66] Operation: 82-16=66 Moving to Node #0,0 Current State: 50:[25, 16, 14], Operations: ['96-82=14'] Exploring Operation: 16-14=2, Resulting Numbers: [25, 2] Generated Node #0,0,0: 50:[25, 2] Operation: 16-14=2 Exploring Operation: 16+14=30, Resulting Numbers: [25, 30] Generated Node #0,0,1: 50:[25, 30] Operation: 16+14=30 Exploring Operation: 25-16=9, Resulting Numbers: [14, 9] Generated Node #0,0,2: 50:[14, 9] Operation: 25-16=9 Exploring Operation: 25-14=11, Resulting Numbers: [16, 11] Generated Node #0,0,3: 50:[16, 11] Operation: 25-14=11 Exploring Operation: 25+16=41, Resulting Numbers: [14, 41] Generated Node #0,0,4: 50:[14, 41] Operation: 25+16=41 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 50:[25, 2], Operations: ['96-82=14', '16-14=2'] Exploring Operation: 25-2=23, Resulting Numbers: [23] 23,50 unequal: No Solution Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Moving to Node #0 Current State: 50:[82, 25, 16, 96], Operations: [] Exploring Operation: 96-82=14, Resulting Numbers: [25, 16, 14] Generated Node #0,0: 50:[25, 16, 14] Operation: 96-82=14 Moving to Node #0,0 Current State: 50:[25, 16, 14], Operations: ['96-82=14'] Exploring Operation: 16-14=2, Resulting Numbers: [25, 2] Generated Node #0,0,0: 50:[25, 2] Operation: 16-14=2 Moving to Node #0,0,0 Current State: 50:[25, 2], Operations: ['96-82=14', '16-14=2'] Exploring Operation: 25*2=50, Resulting Numbers: [50] 50,50 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
sum_heuristic
[ 9, 42, 38, 11 ]
63
[ "42-38=4", "11-4=7", "9*7=63" ]
Current State: 63:[9, 42, 38, 11], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [9, 11, 4] Generated Node #2: [9, 11, 4] from Operation: 42-38=4 Current State: 63:[9, 11, 4], Operations: ['42-38=4'] Exploring Operation: 11-4=7, Resulting Numbers: [9, 7] Generated Node #3: [9, 7] from Operation: 11-4=7 Current State: 63:[9, 7], Operations: ['42-38=4', '11-4=7'] Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached
4
Current State: 63:[9, 42, 38, 11], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [9, 11, 4] Generated Node #0,0: 63:[9, 11, 4] Operation: 42-38=4 Exploring Operation: 38-11=27, Resulting Numbers: [9, 42, 27] Generated Node #0,1: 63:[9, 42, 27] Operation: 38-11=27 Exploring Operation: 42+11=53, Resulting Numbers: [9, 38, 53] Generated Node #0,2: 63:[9, 38, 53] Operation: 42+11=53 Exploring Operation: 42-11=31, Resulting Numbers: [9, 38, 31] Generated Node #0,3: 63:[9, 38, 31] Operation: 42-11=31 Exploring Operation: 42+38=80, Resulting Numbers: [9, 11, 80] Generated Node #0,4: 63:[9, 11, 80] Operation: 42+38=80 Start Sub Search at level 1: Moving to Node #0,0 Current State: 63:[9, 11, 4], Operations: ['42-38=4'] Exploring Operation: 9+4=13, Resulting Numbers: [11, 13] Generated Node #0,0,0: 63:[11, 13] Operation: 9+4=13 Exploring Operation: 11-4=7, Resulting Numbers: [9, 7] Generated Node #0,0,1: 63:[9, 7] Operation: 11-4=7 Exploring Operation: 11-9=2, Resulting Numbers: [4, 2] Generated Node #0,0,2: 63:[4, 2] Operation: 11-9=2 Exploring Operation: 9+11=20, Resulting Numbers: [4, 20] Generated Node #0,0,3: 63:[4, 20] Operation: 9+11=20 Exploring Operation: 9-4=5, Resulting Numbers: [11, 5] Generated Node #0,0,4: 63:[11, 5] Operation: 9-4=5 Moving to Node #0,0,1 Current State: 63:[9, 7], Operations: ['42-38=4', '11-4=7'] Exploring Operation: 9+7=16, Resulting Numbers: [16] 16,63 unequal: No Solution Exploring Operation: 9-7=2, Resulting Numbers: [2] 2,63 unequal: No Solution Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Moving to Node #0 Current State: 63:[9, 42, 38, 11], Operations: [] Exploring Operation: 42-38=4, Resulting Numbers: [9, 11, 4] Generated Node #0,0: 63:[9, 11, 4] Operation: 42-38=4 Moving to Node #0,0 Current State: 63:[9, 11, 4], Operations: ['42-38=4'] Exploring Operation: 11-4=7, Resulting Numbers: [9, 7] Generated Node #0,0,1: 63:[9, 7] Operation: 11-4=7 Moving to Node #0,0,1 Current State: 63:[9, 7], Operations: ['42-38=4', '11-4=7'] Exploring Operation: 9*7=63, Resulting Numbers: [63] 63,63 equal: Goal Reached Exit Sub Search at level 1
0.985243
hs_5
sum_heuristic
[ 30, 13, 69, 11 ]
54
[ "13-11=2", "30/2=15", "69-15=54" ]
Current State: 54:[30, 13, 69, 11], Operations: [] Exploring Operation: 13-11=2, Resulting Numbers: [30, 69, 2] Generated Node #2: [30, 69, 2] from Operation: 13-11=2 Current State: 54:[30, 69, 2], Operations: ['13-11=2'] Exploring Operation: 30/2=15, Resulting Numbers: [69, 15] Generated Node #3: [69, 15] from Operation: 30/2=15 Current State: 54:[69, 15], Operations: ['13-11=2', '30/2=15'] Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
4
Current State: 54:[30, 13, 69, 11], Operations: [] Exploring Operation: 30-13=17, Resulting Numbers: [69, 11, 17] Generated Node #0,0: 54:[69, 11, 17] Operation: 30-13=17 Exploring Operation: 69-30=39, Resulting Numbers: [13, 11, 39] Generated Node #0,1: 54:[13, 11, 39] Operation: 69-30=39 Exploring Operation: 69-11=58, Resulting Numbers: [30, 13, 58] Generated Node #0,2: 54:[30, 13, 58] Operation: 69-11=58 Exploring Operation: 13-11=2, Resulting Numbers: [30, 69, 2] Generated Node #0,3: 54:[30, 69, 2] Operation: 13-11=2 Exploring Operation: 69-13=56, Resulting Numbers: [30, 11, 56] Generated Node #0,4: 54:[30, 11, 56] Operation: 69-13=56 Moving to Node #0,4 Current State: 54:[30, 11, 56], Operations: ['69-13=56'] Exploring Operation: 11+56=67, Resulting Numbers: [30, 67] Generated Node #0,4,0: 54:[30, 67] Operation: 11+56=67 Exploring Operation: 56-11=45, Resulting Numbers: [30, 45] Generated Node #0,4,1: 54:[30, 45] Operation: 56-11=45 Exploring Operation: 30+11=41, Resulting Numbers: [56, 41] Generated Node #0,4,2: 54:[56, 41] Operation: 30+11=41 Exploring Operation: 30-11=19, Resulting Numbers: [56, 19] Generated Node #0,4,3: 54:[56, 19] Operation: 30-11=19 Exploring Operation: 56-30=26, Resulting Numbers: [11, 26] Generated Node #0,4,4: 54:[11, 26] Operation: 56-30=26 Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 54:[56, 19], Operations: ['69-13=56', '30-11=19'] Exploring Operation: 56-19=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 56+19=75, Resulting Numbers: [75] 75,54 unequal: No Solution Exploring Operation: 56*19=1064, Resulting Numbers: [1064] 1064,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 54:[11, 26], Operations: ['69-13=56', '56-30=26'] Exploring Operation: 11*26=286, Resulting Numbers: [286] 286,54 unequal: No Solution Exploring Operation: 11+26=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 54:[30, 45], Operations: ['69-13=56', '56-11=45'] Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 30*45=1350, Resulting Numbers: [1350] 1350,54 unequal: No Solution Exploring Operation: 30+45=75, Resulting Numbers: [75] 75,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 54:[56, 41], Operations: ['69-13=56', '30+11=41'] Exploring Operation: 56*41=2296, Resulting Numbers: [2296] 2296,54 unequal: No Solution Exploring Operation: 56+41=97, Resulting Numbers: [97] 97,54 unequal: No Solution Exploring Operation: 56-41=15, Resulting Numbers: [15] 15,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 54:[30, 67], Operations: ['69-13=56', '11+56=67'] Exploring Operation: 30*67=2010, Resulting Numbers: [2010] 2010,54 unequal: No Solution Exploring Operation: 67-30=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 30+67=97, Resulting Numbers: [97] 97,54 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: 54:[30, 13, 58], Operations: ['69-11=58'] Exploring Operation: 58-30=28, Resulting Numbers: [13, 28] Generated Node #0,2,0: 54:[13, 28] Operation: 58-30=28 Exploring Operation: 58-13=45, Resulting Numbers: [30, 45] Generated Node #0,2,1: 54:[30, 45] Operation: 58-13=45 Exploring Operation: 13+58=71, Resulting Numbers: [30, 71] Generated Node #0,2,2: 54:[30, 71] Operation: 13+58=71 Exploring Operation: 30+13=43, Resulting Numbers: [58, 43] Generated Node #0,2,3: 54:[58, 43] Operation: 30+13=43 Exploring Operation: 30-13=17, Resulting Numbers: [58, 17] Generated Node #0,2,4: 54:[58, 17] Operation: 30-13=17 Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 54:[13, 28], Operations: ['69-11=58', '58-30=28'] Exploring Operation: 13+28=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 13*28=364, Resulting Numbers: [364] 364,54 unequal: No Solution Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 54:[58, 17], Operations: ['69-11=58', '30-13=17'] Exploring Operation: 58*17=986, Resulting Numbers: [986] 986,54 unequal: No Solution Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 58+17=75, Resulting Numbers: [75] 75,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 54:[30, 45], Operations: ['69-11=58', '58-13=45'] Exploring Operation: 30+45=75, Resulting Numbers: [75] 75,54 unequal: No Solution Exploring Operation: 45-30=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 30*45=1350, Resulting Numbers: [1350] 1350,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 54:[58, 43], Operations: ['69-11=58', '30+13=43'] Exploring Operation: 58-43=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 58*43=2494, Resulting Numbers: [2494] 2494,54 unequal: No Solution Exploring Operation: 58+43=101, Resulting Numbers: [101] 101,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 54:[30, 71], Operations: ['69-11=58', '13+58=71'] Exploring Operation: 71-30=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 30+71=101, Resulting Numbers: [101] 101,54 unequal: No Solution Exploring Operation: 30*71=2130, Resulting Numbers: [2130] 2130,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 54:[69, 11, 17], Operations: ['30-13=17'] Exploring Operation: 11+17=28, Resulting Numbers: [69, 28] Generated Node #0,0,0: 54:[69, 28] Operation: 11+17=28 Exploring Operation: 69+11=80, Resulting Numbers: [17, 80] Generated Node #0,0,1: 54:[17, 80] Operation: 69+11=80 Exploring Operation: 17-11=6, Resulting Numbers: [69, 6] Generated Node #0,0,2: 54:[69, 6] Operation: 17-11=6 Exploring Operation: 69-17=52, Resulting Numbers: [11, 52] Generated Node #0,0,3: 54:[11, 52] Operation: 69-17=52 Exploring Operation: 69-11=58, Resulting Numbers: [17, 58] Generated Node #0,0,4: 54:[17, 58] Operation: 69-11=58 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 54:[11, 52], Operations: ['30-13=17', '69-17=52'] Exploring Operation: 11*52=572, Resulting Numbers: [572] 572,54 unequal: No Solution Exploring Operation: 11+52=63, Resulting Numbers: [63] 63,54 unequal: No Solution Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 54:[17, 58], Operations: ['30-13=17', '69-11=58'] Exploring Operation: 58-17=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 17+58=75, Resulting Numbers: [75] 75,54 unequal: No Solution Exploring Operation: 17*58=986, Resulting Numbers: [986] 986,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 54:[69, 6], Operations: ['30-13=17', '17-11=6'] Exploring Operation: 69+6=75, Resulting Numbers: [75] 75,54 unequal: No Solution Exploring Operation: 69-6=63, Resulting Numbers: [63] 63,54 unequal: No Solution Exploring Operation: 69*6=414, Resulting Numbers: [414] 414,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 54:[69, 28], Operations: ['30-13=17', '11+17=28'] Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,54 unequal: No Solution Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 54:[17, 80], Operations: ['30-13=17', '69+11=80'] Exploring Operation: 80-17=63, Resulting Numbers: [63] 63,54 unequal: No Solution Exploring Operation: 17+80=97, Resulting Numbers: [97] 97,54 unequal: No Solution Exploring Operation: 17*80=1360, Resulting Numbers: [1360] 1360,54 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1 Current State: 54:[13, 11, 39], Operations: ['69-30=39'] Exploring Operation: 39-11=28, Resulting Numbers: [13, 28] Generated Node #0,1,0: 54:[13, 28] Operation: 39-11=28 Exploring Operation: 39/13=3, Resulting Numbers: [11, 3] Generated Node #0,1,1: 54:[11, 3] Operation: 39/13=3 Exploring Operation: 11+39=50, Resulting Numbers: [13, 50] Generated Node #0,1,2: 54:[13, 50] Operation: 11+39=50 Exploring Operation: 13+39=52, Resulting Numbers: [11, 52] Generated Node #0,1,3: 54:[11, 52] Operation: 13+39=52 Exploring Operation: 39-13=26, Resulting Numbers: [11, 26] Generated Node #0,1,4: 54:[11, 26] Operation: 39-13=26 Moving to Node #0,3 Current State: 54:[30, 69, 2], Operations: ['13-11=2'] Exploring Operation: 30+2=32, Resulting Numbers: [69, 32] Generated Node #0,3,0: 54:[69, 32] Operation: 30+2=32 Exploring Operation: 69-2=67, Resulting Numbers: [30, 67] Generated Node #0,3,1: 54:[30, 67] Operation: 69-2=67 Exploring Operation: 30-2=28, Resulting Numbers: [69, 28] Generated Node #0,3,2: 54:[69, 28] Operation: 30-2=28 Exploring Operation: 69-30=39, Resulting Numbers: [2, 39] Generated Node #0,3,3: 54:[2, 39] Operation: 69-30=39 Exploring Operation: 30/2=15, Resulting Numbers: [69, 15] Generated Node #0,3,4: 54:[69, 15] Operation: 30/2=15 Moving to Node #0,1,1 Current State: 54:[11, 3], Operations: ['69-30=39', '39/13=3'] Exploring Operation: 11+3=14, Resulting Numbers: [14] 14,54 unequal: No Solution Exploring Operation: 11-3=8, Resulting Numbers: [8] 8,54 unequal: No Solution Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,54 unequal: No Solution Moving to Node #0,1,4 Current State: 54:[11, 26], Operations: ['69-30=39', '39-13=26'] Exploring Operation: 26-11=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 11*26=286, Resulting Numbers: [286] 286,54 unequal: No Solution Exploring Operation: 11+26=37, Resulting Numbers: [37] 37,54 unequal: No Solution Moving to Node #0,1,3 Current State: 54:[11, 52], Operations: ['69-30=39', '13+39=52'] Exploring Operation: 52-11=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 11*52=572, Resulting Numbers: [572] 572,54 unequal: No Solution Exploring Operation: 11+52=63, Resulting Numbers: [63] 63,54 unequal: No Solution Moving to Node #0,1,0 Current State: 54:[13, 28], Operations: ['69-30=39', '39-11=28'] Exploring Operation: 13+28=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 28-13=15, Resulting Numbers: [15] 15,54 unequal: No Solution Exploring Operation: 13*28=364, Resulting Numbers: [364] 364,54 unequal: No Solution Moving to Node #0,1,2 Current State: 54:[13, 50], Operations: ['69-30=39', '11+39=50'] Exploring Operation: 50-13=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 13*50=650, Resulting Numbers: [650] 650,54 unequal: No Solution Exploring Operation: 13+50=63, Resulting Numbers: [63] 63,54 unequal: No Solution Moving to Node #0,3,3 Current State: 54:[2, 39], Operations: ['13-11=2', '69-30=39'] Exploring Operation: 39-2=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 2*39=78, Resulting Numbers: [78] 78,54 unequal: No Solution Exploring Operation: 2+39=41, Resulting Numbers: [41] 41,54 unequal: No Solution Moving to Node #0,3,2 Current State: 54:[69, 28], Operations: ['13-11=2', '30-2=28'] Exploring Operation: 69*28=1932, Resulting Numbers: [1932] 1932,54 unequal: No Solution Exploring Operation: 69-28=41, Resulting Numbers: [41] 41,54 unequal: No Solution Exploring Operation: 69+28=97, Resulting Numbers: [97] 97,54 unequal: No Solution Moving to Node #0,3,1 Current State: 54:[30, 67], Operations: ['13-11=2', '69-2=67'] Exploring Operation: 30+67=97, Resulting Numbers: [97] 97,54 unequal: No Solution Exploring Operation: 67-30=37, Resulting Numbers: [37] 37,54 unequal: No Solution Exploring Operation: 30*67=2010, Resulting Numbers: [2010] 2010,54 unequal: No Solution Moving to Node #0,3,4 Current State: 54:[69, 15], Operations: ['13-11=2', '30/2=15'] Exploring Operation: 69*15=1035, Resulting Numbers: [1035] 1035,54 unequal: No Solution Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,54 equal: Goal Reached Moving to Node #0 Current State: 54:[30, 13, 69, 11], Operations: [] Exploring Operation: 13-11=2, Resulting Numbers: [30, 69, 2] Generated Node #0,3: 54:[30, 69, 2] Operation: 13-11=2 Moving to Node #0,3 Current State: 54:[30, 69, 2], Operations: ['13-11=2'] Exploring Operation: 30/2=15, Resulting Numbers: [69, 15] Generated Node #0,3,4: 54:[69, 15] Operation: 30/2=15 Moving to Node #0,3,4 Current State: 54:[69, 15], Operations: ['13-11=2', '30/2=15'] Exploring Operation: 69-15=54, Resulting Numbers: [54] 54,54 equal: Goal Reached
0.908854
hs_5
mult_heuristic
[ 4, 2, 63, 19 ]
20
[ "63-4=59", "59-19=40", "40/2=20" ]
Current State: 20:[4, 2, 63, 19], Operations: [] Exploring Operation: 63-4=59, Resulting Numbers: [2, 19, 59] Generated Node #2: [2, 19, 59] from Operation: 63-4=59 Current State: 20:[2, 19, 59], Operations: ['63-4=59'] Exploring Operation: 59-19=40, Resulting Numbers: [2, 40] Generated Node #3: [2, 40] from Operation: 59-19=40 Current State: 20:[2, 40], Operations: ['63-4=59', '59-19=40'] Exploring Operation: 40/2=20, Resulting Numbers: [20] 20,20 equal: Goal Reached
4
Current State: 20:[4, 2, 63, 19], Operations: [] Exploring Operation: 63-19=44, Resulting Numbers: [4, 2, 44] Generated Node #0,0: 20:[4, 2, 44] Operation: 63-19=44 Moving to Node #0,0 Current State: 20:[4, 2, 44], Operations: ['63-19=44'] Exploring Operation: 44/4=11, Resulting Numbers: [2, 11] Generated Node #0,0,0: 20:[2, 11] Operation: 44/4=11 Moving to Node #0,0,0 Current State: 20:[2, 11], Operations: ['63-19=44', '44/4=11'] Exploring Operation: 11-2=9, Resulting Numbers: [9] 9,20 unequal: No Solution No solution found.
0
hs_1
mult_heuristic
[ 2, 11, 24, 23 ]
33
[ "2+24=26", "26-23=3", "11*3=33" ]
Current State: 33:[2, 11, 24, 23], Operations: [] Exploring Operation: 2+24=26, Resulting Numbers: [11, 23, 26] Generated Node #2: [11, 23, 26] from Operation: 2+24=26 Current State: 33:[11, 23, 26], Operations: ['2+24=26'] Exploring Operation: 26-23=3, Resulting Numbers: [11, 3] Generated Node #3: [11, 3] from Operation: 26-23=3 Current State: 33:[11, 3], Operations: ['2+24=26', '26-23=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[2, 11, 24, 23], Operations: [] Exploring Operation: 24-23=1, Resulting Numbers: [2, 11, 1] Generated Node #0,0: 33:[2, 11, 1] Operation: 24-23=1 Moving to Node #0,0 Current State: 33:[2, 11, 1], Operations: ['24-23=1'] Exploring Operation: 2+1=3, Resulting Numbers: [11, 3] Generated Node #0,0,0: 33:[11, 3] Operation: 2+1=3 Moving to Node #0,0,0 Current State: 33:[11, 3], Operations: ['24-23=1', '2+1=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached Moving to Node #0 Current State: 33:[2, 11, 24, 23], Operations: [] Exploring Operation: 24-23=1, Resulting Numbers: [2, 11, 1] Generated Node #0,0: 33:[2, 11, 1] Operation: 24-23=1 Moving to Node #0,0 Current State: 33:[2, 11, 1], Operations: ['24-23=1'] Exploring Operation: 2+1=3, Resulting Numbers: [11, 3] Generated Node #0,0,0: 33:[11, 3] Operation: 2+1=3 Moving to Node #0,0,0 Current State: 33:[11, 3], Operations: ['24-23=1', '2+1=3'] Exploring Operation: 11*3=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
0.993924
hs_1
sum_heuristic
[ 45, 12, 27, 39 ]
85
[ "12+39=51", "45*51=2295", "2295/27=85" ]
Current State: 85:[45, 12, 27, 39], Operations: [] Exploring Operation: 12+39=51, Resulting Numbers: [45, 27, 51] Generated Node #2: [45, 27, 51] from Operation: 12+39=51 Current State: 85:[45, 27, 51], Operations: ['12+39=51'] Exploring Operation: 45*51=2295, Resulting Numbers: [27, 2295] Generated Node #3: [27, 2295] from Operation: 45*51=2295 Current State: 85:[27, 2295], Operations: ['12+39=51', '45*51=2295'] Exploring Operation: 2295/27=85, Resulting Numbers: [85] 85,85 equal: Goal Reached
4
Current State: 85:[45, 12, 27, 39], Operations: [] Exploring Operation: 39-27=12, Resulting Numbers: [45, 12, 12] Generated Node #0,0: 85:[45, 12, 12] Operation: 39-27=12 Exploring Operation: 45-39=6, Resulting Numbers: [12, 27, 6] Generated Node #0,1: 85:[12, 27, 6] Operation: 45-39=6 Exploring Operation: 45+39=84, Resulting Numbers: [12, 27, 84] Generated Node #0,2: 85:[12, 27, 84] Operation: 45+39=84 Exploring Operation: 45+27=72, Resulting Numbers: [12, 39, 72] Generated Node #0,3: 85:[12, 39, 72] Operation: 45+27=72 Exploring Operation: 45-27=18, Resulting Numbers: [12, 39, 18] Generated Node #0,4: 85:[12, 39, 18] Operation: 45-27=18 Moving to Node #0,1 Current State: 85:[12, 27, 6], Operations: ['45-39=6'] Exploring Operation: 12-6=6, Resulting Numbers: [27, 6] Generated Node #0,1,0: 85:[27, 6] Operation: 12-6=6 Exploring Operation: 27-12=15, Resulting Numbers: [6, 15] Generated Node #0,1,1: 85:[6, 15] Operation: 27-12=15 Exploring Operation: 27-6=21, Resulting Numbers: [12, 21] Generated Node #0,1,2: 85:[12, 21] Operation: 27-6=21 Exploring Operation: 12/6=2, Resulting Numbers: [27, 2] Generated Node #0,1,3: 85:[27, 2] Operation: 12/6=2 Exploring Operation: 12+6=18, Resulting Numbers: [27, 18] Generated Node #0,1,4: 85:[27, 18] Operation: 12+6=18 Moving to Node #0,2 Current State: 85:[12, 27, 84], Operations: ['45+39=84'] Exploring Operation: 12+84=96, Resulting Numbers: [27, 96] Generated Node #0,2,0: 85:[27, 96] Operation: 12+84=96 Exploring Operation: 27-12=15, Resulting Numbers: [84, 15] Generated Node #0,2,1: 85:[84, 15] Operation: 27-12=15 Exploring Operation: 84/12=7, Resulting Numbers: [27, 7] Generated Node #0,2,2: 85:[27, 7] Operation: 84/12=7 Exploring Operation: 84-12=72, Resulting Numbers: [27, 72] Generated Node #0,2,3: 85:[27, 72] Operation: 84-12=72 Exploring Operation: 12+27=39, Resulting Numbers: [84, 39] Generated Node #0,2,4: 85:[84, 39] Operation: 12+27=39 Moving to Node #0,4 Current State: 85:[12, 39, 18], Operations: ['45-27=18'] Exploring Operation: 39-12=27, Resulting Numbers: [18, 27] Generated Node #0,4,0: 85:[18, 27] Operation: 39-12=27 Exploring Operation: 39-18=21, Resulting Numbers: [12, 21] Generated Node #0,4,1: 85:[12, 21] Operation: 39-18=21 Exploring Operation: 12+39=51, Resulting Numbers: [18, 51] Generated Node #0,4,2: 85:[18, 51] Operation: 12+39=51 Exploring Operation: 39+18=57, Resulting Numbers: [12, 57] Generated Node #0,4,3: 85:[12, 57] Operation: 39+18=57 Exploring Operation: 18-12=6, Resulting Numbers: [39, 6] Generated Node #0,4,4: 85:[39, 6] Operation: 18-12=6 Moving to Node #0,0 Current State: 85:[45, 12, 12], Operations: ['39-27=12'] Exploring Operation: 45+12=57, Resulting Numbers: [12, 57] Generated Node #0,0,0: 85:[12, 57] Operation: 45+12=57 Exploring Operation: 45+12=57, Resulting Numbers: [12, 57] Generated Node #0,0,1: 85:[12, 57] Operation: 45+12=57 Exploring Operation: 45-12=33, Resulting Numbers: [12, 33] Generated Node #0,0,2: 85:[12, 33] Operation: 45-12=33 Exploring Operation: 12/12=1, Resulting Numbers: [45, 1] Generated Node #0,0,3: 85:[45, 1] Operation: 12/12=1 Exploring Operation: 45-12=33, Resulting Numbers: [12, 33] Generated Node #0,0,4: 85:[12, 33] Operation: 45-12=33 Moving to Node #0,3 Current State: 85:[12, 39, 72], Operations: ['45+27=72'] Exploring Operation: 39+72=111, Resulting Numbers: [12, 111] Generated Node #0,3,0: 85:[12, 111] Operation: 39+72=111 Exploring Operation: 72/12=6, Resulting Numbers: [39, 6] Generated Node #0,3,1: 85:[39, 6] Operation: 72/12=6 Exploring Operation: 12+72=84, Resulting Numbers: [39, 84] Generated Node #0,3,2: 85:[39, 84] Operation: 12+72=84 Exploring Operation: 72-39=33, Resulting Numbers: [12, 33] Generated Node #0,3,3: 85:[12, 33] Operation: 72-39=33 Exploring Operation: 39-12=27, Resulting Numbers: [72, 27] Generated Node #0,3,4: 85:[72, 27] Operation: 39-12=27 Start Sub Search at level 1: Moving to Node #0,3,3 Current State: 85:[12, 33], Operations: ['45+27=72', '72-39=33'] Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,85 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,85 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 #0,3,1 Current State: 85:[39, 6], Operations: ['45+27=72', '72/12=6'] Exploring Operation: 39*6=234, Resulting Numbers: [234] 234,85 unequal: No Solution Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,85 unequal: No Solution Exploring Operation: 39+6=45, Resulting Numbers: [45] 45,85 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 #0,3,2 Current State: 85:[39, 84], Operations: ['45+27=72', '12+72=84'] Exploring Operation: 84-39=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 39*84=3276, Resulting Numbers: [3276] 3276,85 unequal: No Solution Exploring Operation: 39+84=123, Resulting Numbers: [123] 123,85 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 #0,3,4 Current State: 85:[72, 27], Operations: ['45+27=72', '39-12=27'] Exploring Operation: 72+27=99, Resulting Numbers: [99] 99,85 unequal: No Solution Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 72*27=1944, Resulting Numbers: [1944] 1944,85 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 #0,3,0 Current State: 85:[12, 111], Operations: ['45+27=72', '39+72=111'] Exploring Operation: 12*111=1332, Resulting Numbers: [1332] 1332,85 unequal: No Solution Exploring Operation: 12+111=123, Resulting Numbers: [123] 123,85 unequal: No Solution Exploring Operation: 111-12=99, Resulting Numbers: [99] 99,85 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,1,1 Current State: 85:[6, 15], Operations: ['45-39=6', '27-12=15'] Exploring Operation: 6*15=90, Resulting Numbers: [90] 90,85 unequal: No Solution Exploring Operation: 15-6=9, Resulting Numbers: [9] 9,85 unequal: No Solution Exploring Operation: 6+15=21, Resulting Numbers: [21] 21,85 unequal: No Solution Moving to Node #0,2,1 Current State: 85:[84, 15], Operations: ['45+39=84', '27-12=15'] Exploring Operation: 84*15=1260, Resulting Numbers: [1260] 1260,85 unequal: No Solution Exploring Operation: 84+15=99, Resulting Numbers: [99] 99,85 unequal: No Solution Exploring Operation: 84-15=69, Resulting Numbers: [69] 69,85 unequal: No Solution Moving to Node #0,1,2 Current State: 85:[12, 21], Operations: ['45-39=6', '27-6=21'] Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,85 unequal: No Solution Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,85 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,85 unequal: No Solution Moving to Node #0,4,1 Current State: 85:[12, 21], Operations: ['45-27=18', '39-18=21'] Exploring Operation: 21-12=9, Resulting Numbers: [9] 9,85 unequal: No Solution Exploring Operation: 12+21=33, Resulting Numbers: [33] 33,85 unequal: No Solution Exploring Operation: 12*21=252, Resulting Numbers: [252] 252,85 unequal: No Solution Moving to Node #0,1,0 Current State: 85:[27, 6], Operations: ['45-39=6', '12-6=6'] Exploring Operation: 27-6=21, Resulting Numbers: [21] 21,85 unequal: No Solution Exploring Operation: 27+6=33, Resulting Numbers: [33] 33,85 unequal: No Solution Exploring Operation: 27*6=162, Resulting Numbers: [162] 162,85 unequal: No Solution Moving to Node #0,4,0 Current State: 85:[18, 27], Operations: ['45-27=18', '39-12=27'] Exploring Operation: 18*27=486, Resulting Numbers: [486] 486,85 unequal: No Solution Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,85 unequal: No Solution Exploring Operation: 18+27=45, Resulting Numbers: [45] 45,85 unequal: No Solution Moving to Node #0,1,4 Current State: 85:[27, 18], Operations: ['45-39=6', '12+6=18'] Exploring Operation: 27*18=486, Resulting Numbers: [486] 486,85 unequal: No Solution Exploring Operation: 27-18=9, Resulting Numbers: [9] 9,85 unequal: No Solution Exploring Operation: 27+18=45, Resulting Numbers: [45] 45,85 unequal: No Solution Moving to Node #0,2,2 Current State: 85:[27, 7], Operations: ['45+39=84', '84/12=7'] Exploring Operation: 27+7=34, Resulting Numbers: [34] 34,85 unequal: No Solution Exploring Operation: 27-7=20, Resulting Numbers: [20] 20,85 unequal: No Solution Exploring Operation: 27*7=189, Resulting Numbers: [189] 189,85 unequal: No Solution Moving to Node #0,1,3 Current State: 85:[27, 2], Operations: ['45-39=6', '12/6=2'] Exploring Operation: 27+2=29, Resulting Numbers: [29] 29,85 unequal: No Solution Exploring Operation: 27*2=54, Resulting Numbers: [54] 54,85 unequal: No Solution Exploring Operation: 27-2=25, Resulting Numbers: [25] 25,85 unequal: No Solution Moving to Node #0,0,2 Current State: 85:[12, 33], Operations: ['39-27=12', '45-12=33'] Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,85 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,85 unequal: No Solution Moving to Node #0,2,0 Current State: 85:[27, 96], Operations: ['45+39=84', '12+84=96'] Exploring Operation: 27*96=2592, Resulting Numbers: [2592] 2592,85 unequal: No Solution Exploring Operation: 27+96=123, Resulting Numbers: [123] 123,85 unequal: No Solution Exploring Operation: 96-27=69, Resulting Numbers: [69] 69,85 unequal: No Solution Moving to Node #0,0,4 Current State: 85:[12, 33], Operations: ['39-27=12', '45-12=33'] Exploring Operation: 12+33=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 12*33=396, Resulting Numbers: [396] 396,85 unequal: No Solution Exploring Operation: 33-12=21, Resulting Numbers: [21] 21,85 unequal: No Solution Moving to Node #0,4,4 Current State: 85:[39, 6], Operations: ['45-27=18', '18-12=6'] Exploring Operation: 39*6=234, Resulting Numbers: [234] 234,85 unequal: No Solution Exploring Operation: 39-6=33, Resulting Numbers: [33] 33,85 unequal: No Solution Exploring Operation: 39+6=45, Resulting Numbers: [45] 45,85 unequal: No Solution Moving to Node #0,2,4 Current State: 85:[84, 39], Operations: ['45+39=84', '12+27=39'] Exploring Operation: 84-39=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 84+39=123, Resulting Numbers: [123] 123,85 unequal: No Solution Exploring Operation: 84*39=3276, Resulting Numbers: [3276] 3276,85 unequal: No Solution Moving to Node #0,2,3 Current State: 85:[27, 72], Operations: ['45+39=84', '84-12=72'] Exploring Operation: 72-27=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 27+72=99, Resulting Numbers: [99] 99,85 unequal: No Solution Exploring Operation: 27*72=1944, Resulting Numbers: [1944] 1944,85 unequal: No Solution Moving to Node #0,0,3 Current State: 85:[45, 1], Operations: ['39-27=12', '12/12=1'] Exploring Operation: 45*1=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 45-1=44, Resulting Numbers: [44] 44,85 unequal: No Solution Exploring Operation: 45+1=46, Resulting Numbers: [46] 46,85 unequal: No Solution Exploring Operation: 45/1=45, Resulting Numbers: [45] 45,85 unequal: No Solution Moving to Node #0,4,3 Current State: 85:[12, 57], Operations: ['45-27=18', '39+18=57'] Exploring Operation: 12+57=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 12*57=684, Resulting Numbers: [684] 684,85 unequal: No Solution Exploring Operation: 57-12=45, Resulting Numbers: [45] 45,85 unequal: No Solution Moving to Node #0,0,0 Current State: 85:[12, 57], Operations: ['39-27=12', '45+12=57'] Exploring Operation: 12*57=684, Resulting Numbers: [684] 684,85 unequal: No Solution Exploring Operation: 57-12=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 12+57=69, Resulting Numbers: [69] 69,85 unequal: No Solution Moving to Node #0,0,1 Current State: 85:[12, 57], Operations: ['39-27=12', '45+12=57'] Exploring Operation: 57-12=45, Resulting Numbers: [45] 45,85 unequal: No Solution Exploring Operation: 12*57=684, Resulting Numbers: [684] 684,85 unequal: No Solution Exploring Operation: 12+57=69, Resulting Numbers: [69] 69,85 unequal: No Solution Moving to Node #0,4,2 Current State: 85:[18, 51], Operations: ['45-27=18', '12+39=51'] Exploring Operation: 18+51=69, Resulting Numbers: [69] 69,85 unequal: No Solution Exploring Operation: 18*51=918, Resulting Numbers: [918] 918,85 unequal: No Solution Exploring Operation: 51-18=33, Resulting Numbers: [33] 33,85 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 1, 17, 12, 36 ]
41
[ "1*17=17", "36-12=24", "17+24=41" ]
Current State: 41:[1, 17, 12, 36], Operations: [] Exploring Operation: 1*17=17, Resulting Numbers: [12, 36, 17] Generated Node #2: [12, 36, 17] from Operation: 1*17=17 Current State: 41:[12, 36, 17], Operations: ['1*17=17'] Exploring Operation: 36-12=24, Resulting Numbers: [17, 24] Generated Node #3: [17, 24] from Operation: 36-12=24 Current State: 41:[17, 24], Operations: ['1*17=17', '36-12=24'] Exploring Operation: 17+24=41, Resulting Numbers: [41] 41,41 equal: Goal Reached
4
Current State: 41:[1, 17, 12, 36], Operations: [] Exploring Operation: 1*17=17, Resulting Numbers: [12, 36, 17] Generated Node #0,0: 41:[12, 36, 17] Operation: 1*17=17 Exploring Operation: 17+12=29, Resulting Numbers: [1, 36, 29] Generated Node #0,1: 41:[1, 36, 29] Operation: 17+12=29 Exploring Operation: 1+12=13, Resulting Numbers: [17, 36, 13] Generated Node #0,2: 41:[17, 36, 13] Operation: 1+12=13 Exploring Operation: 1+17=18, Resulting Numbers: [12, 36, 18] Generated Node #0,3: 41:[12, 36, 18] Operation: 1+17=18 Exploring Operation: 1+36=37, Resulting Numbers: [17, 12, 37] Generated Node #0,4: 41:[17, 12, 37] Operation: 1+36=37 Moving to Node #0,1 Current State: 41:[1, 36, 29], Operations: ['17+12=29'] Exploring Operation: 1+29=30, Resulting Numbers: [36, 30] Generated Node #0,1,0: 41:[36, 30] Operation: 1+29=30 Exploring Operation: 1*29=29, Resulting Numbers: [36, 29] Generated Node #0,1,1: 41:[36, 29] Operation: 1*29=29 Exploring Operation: 1+36=37, Resulting Numbers: [29, 37] Generated Node #0,1,2: 41:[29, 37] Operation: 1+36=37 Exploring Operation: 36/1=36, Resulting Numbers: [29, 36] Generated Node #0,1,3: 41:[29, 36] Operation: 36/1=36 Exploring Operation: 1*36=36, Resulting Numbers: [29, 36] Generated Node #0,1,4: 41:[29, 36] Operation: 1*36=36 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 41:[36, 30], Operations: ['17+12=29', '1+29=30'] Exploring Operation: 36*30=1080, Resulting Numbers: [1080] 1080,41 unequal: No Solution Exploring Operation: 36+30=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,2 Current State: 41:[29, 37], Operations: ['17+12=29', '1+36=37'] Exploring Operation: 29*37=1073, Resulting Numbers: [1073] 1073,41 unequal: No Solution Exploring Operation: 29+37=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 41:[36, 29], Operations: ['17+12=29', '1*29=29'] Exploring Operation: 36+29=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 36*29=1044, Resulting Numbers: [1044] 1044,41 unequal: No Solution Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,3 Current State: 41:[29, 36], Operations: ['17+12=29', '36/1=36'] Exploring Operation: 29+36=65, Resulting Numbers: [65] 65,41 unequal: No Solution Exploring Operation: 29*36=1044, Resulting Numbers: [1044] 1044,41 unequal: No Solution Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,4 Current State: 41:[29, 36], Operations: ['17+12=29', '1*36=36'] Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 29*36=1044, Resulting Numbers: [1044] 1044,41 unequal: No Solution Exploring Operation: 29+36=65, Resulting Numbers: [65] 65,41 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: 41:[12, 36, 18], Operations: ['1+17=18'] Exploring Operation: 36+18=54, Resulting Numbers: [12, 54] Generated Node #0,3,0: 41:[12, 54] Operation: 36+18=54 Exploring Operation: 18-12=6, Resulting Numbers: [36, 6] Generated Node #0,3,1: 41:[36, 6] Operation: 18-12=6 Exploring Operation: 36-12=24, Resulting Numbers: [18, 24] Generated Node #0,3,2: 41:[18, 24] Operation: 36-12=24 Exploring Operation: 12+18=30, Resulting Numbers: [36, 30] Generated Node #0,3,3: 41:[36, 30] Operation: 12+18=30 Exploring Operation: 12+36=48, Resulting Numbers: [18, 48] Generated Node #0,3,4: 41:[18, 48] Operation: 12+36=48 Moving to Node #0,2 Current State: 41:[17, 36, 13], Operations: ['1+12=13'] Exploring Operation: 36+13=49, Resulting Numbers: [17, 49] Generated Node #0,2,0: 41:[17, 49] Operation: 36+13=49 Exploring Operation: 17-13=4, Resulting Numbers: [36, 4] Generated Node #0,2,1: 41:[36, 4] Operation: 17-13=4 Exploring Operation: 17+13=30, Resulting Numbers: [36, 30] Generated Node #0,2,2: 41:[36, 30] Operation: 17+13=30 Exploring Operation: 36-13=23, Resulting Numbers: [17, 23] Generated Node #0,2,3: 41:[17, 23] Operation: 36-13=23 Exploring Operation: 17+36=53, Resulting Numbers: [13, 53] Generated Node #0,2,4: 41:[13, 53] Operation: 17+36=53 Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 41:[36, 30], Operations: ['1+12=13', '17+13=30'] Exploring Operation: 36+30=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 36-30=6, Resulting Numbers: [6] 6,41 unequal: No Solution Exploring Operation: 36*30=1080, Resulting Numbers: [1080] 1080,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 41:[17, 49], Operations: ['1+12=13', '36+13=49'] Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,41 unequal: No Solution Exploring Operation: 17+49=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 17*49=833, Resulting Numbers: [833] 833,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 41:[13, 53], Operations: ['1+12=13', '17+36=53'] Exploring Operation: 13*53=689, Resulting Numbers: [689] 689,41 unequal: No Solution Exploring Operation: 13+53=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 53-13=40, Resulting Numbers: [40] 40,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 41:[36, 4], Operations: ['1+12=13', '17-13=4'] Exploring Operation: 36-4=32, Resulting Numbers: [32] 32,41 unequal: No Solution Exploring Operation: 36/4=9, Resulting Numbers: [9] 9,41 unequal: No Solution Exploring Operation: 36*4=144, Resulting Numbers: [144] 144,41 unequal: No Solution Exploring Operation: 36+4=40, Resulting Numbers: [40] 40,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 41:[17, 23], Operations: ['1+12=13', '36-13=23'] Exploring Operation: 17+23=40, Resulting Numbers: [40] 40,41 unequal: No Solution Exploring Operation: 23-17=6, Resulting Numbers: [6] 6,41 unequal: No Solution Exploring Operation: 17*23=391, Resulting Numbers: [391] 391,41 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: 41:[17, 12, 37], Operations: ['1+36=37'] Exploring Operation: 17+12=29, Resulting Numbers: [37, 29] Generated Node #0,4,0: 41:[37, 29] Operation: 17+12=29 Exploring Operation: 12+37=49, Resulting Numbers: [17, 49] Generated Node #0,4,1: 41:[17, 49] Operation: 12+37=49 Exploring Operation: 37-12=25, Resulting Numbers: [17, 25] Generated Node #0,4,2: 41:[17, 25] Operation: 37-12=25 Exploring Operation: 17+37=54, Resulting Numbers: [12, 54] Generated Node #0,4,3: 41:[12, 54] Operation: 17+37=54 Exploring Operation: 17-12=5, Resulting Numbers: [37, 5] Generated Node #0,4,4: 41:[37, 5] Operation: 17-12=5 Start Sub Search at level 1: Moving to Node #0,4,0 Current State: 41:[37, 29], Operations: ['1+36=37', '17+12=29'] Exploring Operation: 37-29=8, Resulting Numbers: [8] 8,41 unequal: No Solution Exploring Operation: 37+29=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 37*29=1073, Resulting Numbers: [1073] 1073,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,1 Current State: 41:[17, 49], Operations: ['1+36=37', '12+37=49'] Exploring Operation: 17*49=833, Resulting Numbers: [833] 833,41 unequal: No Solution Exploring Operation: 17+49=66, Resulting Numbers: [66] 66,41 unequal: No Solution Exploring Operation: 49-17=32, Resulting Numbers: [32] 32,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 41:[17, 25], Operations: ['1+36=37', '37-12=25'] Exploring Operation: 17+25=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 25-17=8, Resulting Numbers: [8] 8,41 unequal: No Solution Exploring Operation: 17*25=425, Resulting Numbers: [425] 425,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,4 Current State: 41:[37, 5], Operations: ['1+36=37', '17-12=5'] Exploring Operation: 37*5=185, Resulting Numbers: [185] 185,41 unequal: No Solution Exploring Operation: 37-5=32, Resulting Numbers: [32] 32,41 unequal: No Solution Exploring Operation: 37+5=42, Resulting Numbers: [42] 42,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,4,3 Current State: 41:[12, 54], Operations: ['1+36=37', '17+37=54'] Exploring Operation: 54-12=42, Resulting Numbers: [42] 42,41 unequal: No Solution Exploring Operation: 12*54=648, Resulting Numbers: [648] 648,41 unequal: No Solution Exploring Operation: 12+54=66, Resulting Numbers: [66] 66,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Moving to Node #0,0 Current State: 41:[12, 36, 17], Operations: ['1*17=17'] Exploring Operation: 17-12=5, Resulting Numbers: [36, 5] Generated Node #0,0,0: 41:[36, 5] Operation: 17-12=5 Exploring Operation: 36-12=24, Resulting Numbers: [17, 24] Generated Node #0,0,1: 41:[17, 24] Operation: 36-12=24 Exploring Operation: 36+17=53, Resulting Numbers: [12, 53] Generated Node #0,0,2: 41:[12, 53] Operation: 36+17=53 Exploring Operation: 12+17=29, Resulting Numbers: [36, 29] Generated Node #0,0,3: 41:[36, 29] Operation: 12+17=29 Exploring Operation: 12+36=48, Resulting Numbers: [17, 48] Generated Node #0,0,4: 41:[17, 48] Operation: 12+36=48 Start Sub Search at level 1: Moving to Node #0,0,3 Current State: 41:[36, 29], Operations: ['1*17=17', '12+17=29'] Exploring Operation: 36*29=1044, Resulting Numbers: [1044] 1044,41 unequal: No Solution Exploring Operation: 36-29=7, Resulting Numbers: [7] 7,41 unequal: No Solution Exploring Operation: 36+29=65, Resulting Numbers: [65] 65,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,4 Current State: 41:[17, 48], Operations: ['1*17=17', '12+36=48'] Exploring Operation: 17*48=816, Resulting Numbers: [816] 816,41 unequal: No Solution Exploring Operation: 48-17=31, Resulting Numbers: [31] 31,41 unequal: No Solution Exploring Operation: 17+48=65, Resulting Numbers: [65] 65,41 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 41:[36, 5], Operations: ['1*17=17', '17-12=5'] Exploring Operation: 36*5=180, Resulting Numbers: [180] 180,41 unequal: No Solution Exploring Operation: 36-5=31, Resulting Numbers: [31] 31,41 unequal: No Solution Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Moving to Node #0 Current State: 41:[1, 17, 12, 36], Operations: [] Exploring Operation: 1*17=17, Resulting Numbers: [12, 36, 17] Generated Node #0,0: 41:[12, 36, 17] Operation: 1*17=17 Moving to Node #0,0 Current State: 41:[12, 36, 17], Operations: ['1*17=17'] Exploring Operation: 17-12=5, Resulting Numbers: [36, 5] Generated Node #0,0,0: 41:[36, 5] Operation: 17-12=5 Moving to Node #0,0,0 Current State: 41:[36, 5], Operations: ['1*17=17', '17-12=5'] Exploring Operation: 36+5=41, Resulting Numbers: [41] 41,41 equal: Goal Reached Exit Sub Search at level 1
0.922743
hs_5
mult_heuristic
[ 13, 36, 78, 41 ]
47
[ "13*36=468", "468/78=6", "41+6=47" ]
Current State: 47:[13, 36, 78, 41], Operations: [] Exploring Operation: 13*36=468, Resulting Numbers: [78, 41, 468] Generated Node #2: [78, 41, 468] from Operation: 13*36=468 Current State: 47:[78, 41, 468], Operations: ['13*36=468'] Exploring Operation: 468/78=6, Resulting Numbers: [41, 6] Generated Node #3: [41, 6] from Operation: 468/78=6 Current State: 47:[41, 6], Operations: ['13*36=468', '468/78=6'] Exploring Operation: 41+6=47, Resulting Numbers: [47] 47,47 equal: Goal Reached
4
Current State: 47:[13, 36, 78, 41], Operations: [] Exploring Operation: 78-13=65, Resulting Numbers: [36, 41, 65] Generated Node #0,0: 47:[36, 41, 65] Operation: 78-13=65 Start Sub Search at level 1: Moving to Node #0,0 Current State: 47:[36, 41, 65], Operations: ['78-13=65'] Exploring Operation: 65-36=29, Resulting Numbers: [41, 29] Generated Node #0,0,0: 47:[41, 29] Operation: 65-36=29 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 47:[41, 29], Operations: ['78-13=65', '65-36=29'] Exploring Operation: 41+29=70, Resulting Numbers: [70] 70,47 unequal: No Solution No solution found. Exit Sub Search at level 2 No solution found in sub search No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 33, 83, 53, 61 ]
58
[ "83-33=50", "61-53=8", "50+8=58" ]
Current State: 58:[33, 83, 53, 61], Operations: [] Exploring Operation: 83-33=50, Resulting Numbers: [53, 61, 50] Generated Node #2: [53, 61, 50] from Operation: 83-33=50 Current State: 58:[53, 61, 50], Operations: ['83-33=50'] Exploring Operation: 61-53=8, Resulting Numbers: [50, 8] Generated Node #3: [50, 8] from Operation: 61-53=8 Current State: 58:[50, 8], Operations: ['83-33=50', '61-53=8'] Exploring Operation: 50+8=58, Resulting Numbers: [58] 58,58 equal: Goal Reached
4
Current State: 58:[33, 83, 53, 61], Operations: [] Exploring Operation: 83-61=22, Resulting Numbers: [33, 53, 22] Generated Node #0,0: 58:[33, 53, 22] Operation: 83-61=22 Exploring Operation: 83-33=50, Resulting Numbers: [53, 61, 50] Generated Node #0,1: 58:[53, 61, 50] Operation: 83-33=50 Exploring Operation: 83-53=30, Resulting Numbers: [33, 61, 30] Generated Node #0,2: 58:[33, 61, 30] Operation: 83-53=30 Exploring Operation: 61-33=28, Resulting Numbers: [83, 53, 28] Generated Node #0,3: 58:[83, 53, 28] Operation: 61-33=28 Start Sub Search at level 1: Moving to Node #0,2 Current State: 58:[33, 61, 30], Operations: ['83-53=30'] Exploring Operation: 33+30=63, Resulting Numbers: [61, 63] Generated Node #0,2,0: 58:[61, 63] Operation: 33+30=63 Exploring Operation: 33-30=3, Resulting Numbers: [61, 3] Generated Node #0,2,1: 58:[61, 3] Operation: 33-30=3 Exploring Operation: 61-33=28, Resulting Numbers: [30, 28] Generated Node #0,2,2: 58:[30, 28] Operation: 61-33=28 Exploring Operation: 61-30=31, Resulting Numbers: [33, 31] Generated Node #0,2,3: 58:[33, 31] Operation: 61-30=31 Moving to Node #0,2,2 Current State: 58:[30, 28], Operations: ['83-53=30', '61-33=28'] Exploring Operation: 30*28=840, Resulting Numbers: [840] 840,58 unequal: No Solution Exploring Operation: 30-28=2, Resulting Numbers: [2] 2,58 unequal: No Solution Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Moving to Node #0 Current State: 58:[33, 83, 53, 61], Operations: [] Exploring Operation: 83-53=30, Resulting Numbers: [33, 61, 30] Generated Node #0,2: 58:[33, 61, 30] Operation: 83-53=30 Moving to Node #0,2 Current State: 58:[33, 61, 30], Operations: ['83-53=30'] Exploring Operation: 61-33=28, Resulting Numbers: [30, 28] Generated Node #0,2,2: 58:[30, 28] Operation: 61-33=28 Moving to Node #0,2,2 Current State: 58:[30, 28], Operations: ['83-53=30', '61-33=28'] Exploring Operation: 30+28=58, Resulting Numbers: [58] 58,58 equal: Goal Reached Exit Sub Search at level 1
0.986979
hs_4
sum_heuristic
[ 76, 12, 79, 46 ]
37
[ "76+12=88", "79+46=125", "125-88=37" ]
Current State: 37:[76, 12, 79, 46], Operations: [] Exploring Operation: 76+12=88, Resulting Numbers: [79, 46, 88] Generated Node #2: [79, 46, 88] from Operation: 76+12=88 Current State: 37:[79, 46, 88], Operations: ['76+12=88'] Exploring Operation: 79+46=125, Resulting Numbers: [88, 125] Generated Node #3: [88, 125] from Operation: 79+46=125 Current State: 37:[88, 125], Operations: ['76+12=88', '79+46=125'] Exploring Operation: 125-88=37, Resulting Numbers: [37] 37,37 equal: Goal Reached
4
Current State: 37:[76, 12, 79, 46], Operations: [] Exploring Operation: 79-46=33, Resulting Numbers: [76, 12, 33] Generated Node #0,0: 37:[76, 12, 33] Operation: 79-46=33 Exploring Operation: 79-76=3, Resulting Numbers: [12, 46, 3] Generated Node #0,1: 37:[12, 46, 3] Operation: 79-76=3 Exploring Operation: 76-46=30, Resulting Numbers: [12, 79, 30] Generated Node #0,2: 37:[12, 79, 30] Operation: 76-46=30 Exploring Operation: 76-12=64, Resulting Numbers: [79, 46, 64] Generated Node #0,3: 37:[79, 46, 64] Operation: 76-12=64 Moving to Node #0,0 Current State: 37:[76, 12, 33], Operations: ['79-46=33'] Exploring Operation: 76+12=88, Resulting Numbers: [33, 88] Generated Node #0,0,0: 37:[33, 88] Operation: 76+12=88 Exploring Operation: 76-12=64, Resulting Numbers: [33, 64] Generated Node #0,0,1: 37:[33, 64] Operation: 76-12=64 Exploring Operation: 76-33=43, Resulting Numbers: [12, 43] Generated Node #0,0,2: 37:[12, 43] Operation: 76-33=43 Exploring Operation: 12+33=45, Resulting Numbers: [76, 45] Generated Node #0,0,3: 37:[76, 45] Operation: 12+33=45 Moving to Node #0,1 Current State: 37:[12, 46, 3], Operations: ['79-76=3'] Exploring Operation: 12*3=36, Resulting Numbers: [46, 36] Generated Node #0,1,0: 37:[46, 36] Operation: 12*3=36 Exploring Operation: 12+3=15, Resulting Numbers: [46, 15] Generated Node #0,1,1: 37:[46, 15] Operation: 12+3=15 Exploring Operation: 46-12=34, Resulting Numbers: [3, 34] Generated Node #0,1,2: 37:[3, 34] Operation: 46-12=34 Exploring Operation: 46-3=43, Resulting Numbers: [12, 43] Generated Node #0,1,3: 37:[12, 43] Operation: 46-3=43 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 37:[46, 36], Operations: ['79-76=3', '12*3=36'] Exploring Operation: 46-36=10, Resulting Numbers: [10] 10,37 unequal: No Solution Exploring Operation: 46+36=82, Resulting Numbers: [82] 82,37 unequal: No Solution Exploring Operation: 46*36=1656, Resulting Numbers: [1656] 1656,37 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 #0,1,1 Current State: 37:[46, 15], Operations: ['79-76=3', '12+3=15'] Exploring Operation: 46-15=31, Resulting Numbers: [31] 31,37 unequal: No Solution Exploring Operation: 46+15=61, Resulting Numbers: [61] 61,37 unequal: No Solution Exploring Operation: 46*15=690, Resulting Numbers: [690] 690,37 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:[12, 43], Operations: ['79-76=3', '46-3=43'] Exploring Operation: 12*43=516, Resulting Numbers: [516] 516,37 unequal: No Solution Exploring Operation: 12+43=55, Resulting Numbers: [55] 55,37 unequal: No Solution Exploring Operation: 43-12=31, Resulting Numbers: [31] 31,37 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:[3, 34], Operations: ['79-76=3', '46-12=34'] Exploring Operation: 3*34=102, Resulting Numbers: [102] 102,37 unequal: No Solution Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Moving to Node #0 Current State: 37:[76, 12, 79, 46], Operations: [] Exploring Operation: 79-76=3, Resulting Numbers: [12, 46, 3] Generated Node #0,1: 37:[12, 46, 3] Operation: 79-76=3 Moving to Node #0,1 Current State: 37:[12, 46, 3], Operations: ['79-76=3'] Exploring Operation: 46-12=34, Resulting Numbers: [3, 34] Generated Node #0,1,2: 37:[3, 34] Operation: 46-12=34 Moving to Node #0,1,2 Current State: 37:[3, 34], Operations: ['79-76=3', '46-12=34'] Exploring Operation: 3+34=37, Resulting Numbers: [37] 37,37 equal: Goal Reached Exit Sub Search at level 1
0.976563
hs_4
mult_heuristic
[ 39, 90, 79, 95 ]
45
[ "39+90=129", "79+95=174", "174-129=45" ]
Current State: 45:[39, 90, 79, 95], Operations: [] Exploring Operation: 39+90=129, Resulting Numbers: [79, 95, 129] Generated Node #2: [79, 95, 129] from Operation: 39+90=129 Current State: 45:[79, 95, 129], Operations: ['39+90=129'] Exploring Operation: 79+95=174, Resulting Numbers: [129, 174] Generated Node #3: [129, 174] from Operation: 79+95=174 Current State: 45:[129, 174], Operations: ['39+90=129', '79+95=174'] Exploring Operation: 174-129=45, Resulting Numbers: [45] 45,45 equal: Goal Reached
4
Current State: 45:[39, 90, 79, 95], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [39, 79, 5] Generated Node #0,0: 45:[39, 79, 5] Operation: 95-90=5 Exploring Operation: 90-39=51, Resulting Numbers: [79, 95, 51] Generated Node #0,1: 45:[79, 95, 51] Operation: 90-39=51 Exploring Operation: 95-79=16, Resulting Numbers: [39, 90, 16] Generated Node #0,2: 45:[39, 90, 16] Operation: 95-79=16 Exploring Operation: 90-79=11, Resulting Numbers: [39, 95, 11] Generated Node #0,3: 45:[39, 95, 11] Operation: 90-79=11 Start Sub Search at level 1: Moving to Node #0,0 Current State: 45:[39, 79, 5], Operations: ['95-90=5'] Exploring Operation: 39-5=34, Resulting Numbers: [79, 34] Generated Node #0,0,0: 45:[79, 34] Operation: 39-5=34 Exploring Operation: 79-5=74, Resulting Numbers: [39, 74] Generated Node #0,0,1: 45:[39, 74] Operation: 79-5=74 Exploring Operation: 79-39=40, Resulting Numbers: [5, 40] Generated Node #0,0,2: 45:[5, 40] Operation: 79-39=40 Exploring Operation: 39+5=44, Resulting Numbers: [79, 44] Generated Node #0,0,3: 45:[79, 44] Operation: 39+5=44 Start Sub Search at level 2: Moving to Node #0,0,2 Current State: 45:[5, 40], Operations: ['95-90=5', '79-39=40'] Exploring Operation: 40-5=35, Resulting Numbers: [35] 35,45 unequal: No Solution Exploring Operation: 40/5=8, Resulting Numbers: [8] 8,45 unequal: No Solution Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Moving to Node #0 Current State: 45:[39, 90, 79, 95], Operations: [] Exploring Operation: 95-90=5, Resulting Numbers: [39, 79, 5] Generated Node #0,0: 45:[39, 79, 5] Operation: 95-90=5 Moving to Node #0,0 Current State: 45:[39, 79, 5], Operations: ['95-90=5'] Exploring Operation: 79-39=40, Resulting Numbers: [5, 40] Generated Node #0,0,2: 45:[5, 40] Operation: 79-39=40 Moving to Node #0,0,2 Current State: 45:[5, 40], Operations: ['95-90=5', '79-39=40'] Exploring Operation: 5+40=45, Resulting Numbers: [45] 45,45 equal: Goal Reached Exit Sub Search at level 2 Exit Sub Search at level 1
0.986979
hs_4
mult_heuristic
[ 36, 81, 73, 95 ]
51
[ "36+81=117", "73+95=168", "168-117=51" ]
Current State: 51:[36, 81, 73, 95], Operations: [] Exploring Operation: 36+81=117, Resulting Numbers: [73, 95, 117] Generated Node #2: [73, 95, 117] from Operation: 36+81=117 Current State: 51:[73, 95, 117], Operations: ['36+81=117'] Exploring Operation: 73+95=168, Resulting Numbers: [117, 168] Generated Node #3: [117, 168] from Operation: 73+95=168 Current State: 51:[117, 168], Operations: ['36+81=117', '73+95=168'] Exploring Operation: 168-117=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
4
Current State: 51:[36, 81, 73, 95], Operations: [] Exploring Operation: 95-73=22, Resulting Numbers: [36, 81, 22] Generated Node #0,0: 51:[36, 81, 22] Operation: 95-73=22 Exploring Operation: 95-81=14, Resulting Numbers: [36, 73, 14] Generated Node #0,1: 51:[36, 73, 14] Operation: 95-81=14 Exploring Operation: 95-36=59, Resulting Numbers: [81, 73, 59] Generated Node #0,2: 51:[81, 73, 59] Operation: 95-36=59 Moving to Node #0,1 Current State: 51:[36, 73, 14], Operations: ['95-81=14'] Exploring Operation: 73-36=37, Resulting Numbers: [14, 37] Generated Node #0,1,0: 51:[14, 37] Operation: 73-36=37 Exploring Operation: 36+14=50, Resulting Numbers: [73, 50] Generated Node #0,1,1: 51:[73, 50] Operation: 36+14=50 Exploring Operation: 73-14=59, Resulting Numbers: [36, 59] Generated Node #0,1,2: 51:[36, 59] Operation: 73-14=59 Moving to Node #0,0 Current State: 51:[36, 81, 22], Operations: ['95-73=22'] Exploring Operation: 81-22=59, Resulting Numbers: [36, 59] Generated Node #0,0,0: 51:[36, 59] Operation: 81-22=59 Exploring Operation: 36-22=14, Resulting Numbers: [81, 14] Generated Node #0,0,1: 51:[81, 14] Operation: 36-22=14 Exploring Operation: 81-36=45, Resulting Numbers: [22, 45] Generated Node #0,0,2: 51:[22, 45] Operation: 81-36=45 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 51:[22, 45], Operations: ['95-73=22', '81-36=45'] Exploring Operation: 45-22=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 22*45=990, Resulting Numbers: [990] 990,51 unequal: No Solution Exploring Operation: 22+45=67, Resulting Numbers: [67] 67,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 51:[36, 59], Operations: ['95-73=22', '81-22=59'] Exploring Operation: 59-36=23, Resulting Numbers: [23] 23,51 unequal: No Solution Exploring Operation: 36+59=95, Resulting Numbers: [95] 95,51 unequal: No Solution Exploring Operation: 36*59=2124, Resulting Numbers: [2124] 2124,51 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 51:[81, 14], Operations: ['95-73=22', '36-22=14'] Exploring Operation: 81+14=95, Resulting Numbers: [95] 95,51 unequal: No Solution Exploring Operation: 81-14=67, Resulting Numbers: [67] 67,51 unequal: No Solution Exploring Operation: 81*14=1134, Resulting Numbers: [1134] 1134,51 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: 51:[81, 73, 59], Operations: ['95-36=59'] Exploring Operation: 81-59=22, Resulting Numbers: [73, 22] Generated Node #0,2,0: 51:[73, 22] Operation: 81-59=22 Exploring Operation: 81-73=8, Resulting Numbers: [59, 8] Generated Node #0,2,1: 51:[59, 8] Operation: 81-73=8 Exploring Operation: 73-59=14, Resulting Numbers: [81, 14] Generated Node #0,2,2: 51:[81, 14] Operation: 73-59=14 Moving to Node #0,2,1 Current State: 51:[59, 8], Operations: ['95-36=59', '81-73=8'] Exploring Operation: 59+8=67, Resulting Numbers: [67] 67,51 unequal: No Solution Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached Moving to Node #0 Current State: 51:[36, 81, 73, 95], Operations: [] Exploring Operation: 95-36=59, Resulting Numbers: [81, 73, 59] Generated Node #0,2: 51:[81, 73, 59] Operation: 95-36=59 Moving to Node #0,2 Current State: 51:[81, 73, 59], Operations: ['95-36=59'] Exploring Operation: 81-73=8, Resulting Numbers: [59, 8] Generated Node #0,2,1: 51:[59, 8] Operation: 81-73=8 Moving to Node #0,2,1 Current State: 51:[59, 8], Operations: ['95-36=59', '81-73=8'] Exploring Operation: 59-8=51, Resulting Numbers: [51] 51,51 equal: Goal Reached
0.976563
hs_3
mult_heuristic
[ 72, 98, 30, 2 ]
42
[ "72-2=70", "98*30=2940", "2940/70=42" ]
Current State: 42:[72, 98, 30, 2], Operations: [] Exploring Operation: 72-2=70, Resulting Numbers: [98, 30, 70] Generated Node #2: [98, 30, 70] from Operation: 72-2=70 Current State: 42:[98, 30, 70], Operations: ['72-2=70'] Exploring Operation: 98*30=2940, Resulting Numbers: [70, 2940] Generated Node #3: [70, 2940] from Operation: 98*30=2940 Current State: 42:[70, 2940], Operations: ['72-2=70', '98*30=2940'] Exploring Operation: 2940/70=42, Resulting Numbers: [42] 42,42 equal: Goal Reached
4
Current State: 42:[72, 98, 30, 2], Operations: [] Exploring Operation: 98-30=68, Resulting Numbers: [72, 2, 68] Generated Node #0,0: 42:[72, 2, 68] Operation: 98-30=68 Exploring Operation: 72/2=36, Resulting Numbers: [98, 30, 36] Generated Node #0,1: 42:[98, 30, 36] Operation: 72/2=36 Exploring Operation: 98/2=49, Resulting Numbers: [72, 30, 49] Generated Node #0,2: 42:[72, 30, 49] Operation: 98/2=49 Exploring Operation: 72-30=42, Resulting Numbers: [98, 2, 42] Generated Node #0,3: 42:[98, 2, 42] Operation: 72-30=42 Exploring Operation: 98-72=26, Resulting Numbers: [30, 2, 26] Generated Node #0,4: 42:[30, 2, 26] Operation: 98-72=26 Moving to Node #0,4 Current State: 42:[30, 2, 26], Operations: ['98-72=26'] Exploring Operation: 30/2=15, Resulting Numbers: [26, 15] Generated Node #0,4,0: 42:[26, 15] Operation: 30/2=15 Exploring Operation: 26/2=13, Resulting Numbers: [30, 13] Generated Node #0,4,1: 42:[30, 13] Operation: 26/2=13 Exploring Operation: 30-26=4, Resulting Numbers: [2, 4] Generated Node #0,4,2: 42:[2, 4] Operation: 30-26=4 Exploring Operation: 26-2=24, Resulting Numbers: [30, 24] Generated Node #0,4,3: 42:[30, 24] Operation: 26-2=24 Exploring Operation: 30-2=28, Resulting Numbers: [26, 28] Generated Node #0,4,4: 42:[26, 28] Operation: 30-2=28 Start Sub Search at level 1: Moving to Node #0,4,2 Current State: 42:[2, 4], Operations: ['98-72=26', '30-26=4'] Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,42 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 #0,4,0 Current State: 42:[26, 15], Operations: ['98-72=26', '30/2=15'] Exploring Operation: 26+15=41, Resulting Numbers: [41] 41,42 unequal: No Solution Exploring Operation: 26-15=11, Resulting Numbers: [11] 11,42 unequal: No Solution Exploring Operation: 26*15=390, Resulting Numbers: [390] 390,42 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 #0,4,1 Current State: 42:[30, 13], Operations: ['98-72=26', '26/2=13'] Exploring Operation: 30*13=390, Resulting Numbers: [390] 390,42 unequal: No Solution Exploring Operation: 30-13=17, Resulting Numbers: [17] 17,42 unequal: No Solution Exploring Operation: 30+13=43, Resulting Numbers: [43] 43,42 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 #0,4,3 Current State: 42:[30, 24], Operations: ['98-72=26', '26-2=24'] Exploring Operation: 30-24=6, Resulting Numbers: [6] 6,42 unequal: No Solution Exploring Operation: 30*24=720, Resulting Numbers: [720] 720,42 unequal: No Solution Exploring Operation: 30+24=54, Resulting Numbers: [54] 54,42 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 #0,4,4 Current State: 42:[26, 28], Operations: ['98-72=26', '30-2=28'] Exploring Operation: 26*28=728, Resulting Numbers: [728] 728,42 unequal: No Solution Exploring Operation: 26+28=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 28-26=2, Resulting Numbers: [2] 2,42 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: 42:[72, 30, 49], Operations: ['98/2=49'] Exploring Operation: 49-30=19, Resulting Numbers: [72, 19] Generated Node #0,2,0: 42:[72, 19] Operation: 49-30=19 Exploring Operation: 30+49=79, Resulting Numbers: [72, 79] Generated Node #0,2,1: 42:[72, 79] Operation: 30+49=79 Exploring Operation: 72-49=23, Resulting Numbers: [30, 23] Generated Node #0,2,2: 42:[30, 23] Operation: 72-49=23 Exploring Operation: 72-30=42, Resulting Numbers: [49, 42] Generated Node #0,2,3: 42:[49, 42] Operation: 72-30=42 Exploring Operation: 72+30=102, Resulting Numbers: [49, 102] Generated Node #0,2,4: 42:[49, 102] Operation: 72+30=102 Start Sub Search at level 1: Moving to Node #0,2,3 Current State: 42:[49, 42], Operations: ['98/2=49', '72-30=42'] Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,42 unequal: No Solution Exploring Operation: 49*42=2058, Resulting Numbers: [2058] 2058,42 unequal: No Solution Exploring Operation: 49+42=91, Resulting Numbers: [91] 91,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,2 Current State: 42:[30, 23], Operations: ['98/2=49', '72-49=23'] Exploring Operation: 30*23=690, Resulting Numbers: [690] 690,42 unequal: No Solution Exploring Operation: 30+23=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 30-23=7, Resulting Numbers: [7] 7,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,0 Current State: 42:[72, 19], Operations: ['98/2=49', '49-30=19'] Exploring Operation: 72*19=1368, Resulting Numbers: [1368] 1368,42 unequal: No Solution Exploring Operation: 72-19=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 72+19=91, Resulting Numbers: [91] 91,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,1 Current State: 42:[72, 79], Operations: ['98/2=49', '30+49=79'] Exploring Operation: 72*79=5688, Resulting Numbers: [5688] 5688,42 unequal: No Solution Exploring Operation: 79-72=7, Resulting Numbers: [7] 7,42 unequal: No Solution Exploring Operation: 72+79=151, Resulting Numbers: [151] 151,42 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,2,4 Current State: 42:[49, 102], Operations: ['98/2=49', '72+30=102'] Exploring Operation: 102-49=53, Resulting Numbers: [53] 53,42 unequal: No Solution Exploring Operation: 49+102=151, Resulting Numbers: [151] 151,42 unequal: No Solution Exploring Operation: 49*102=4998, Resulting Numbers: [4998] 4998,42 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: 42:[72, 2, 68], Operations: ['98-30=68'] Exploring Operation: 72-2=70, Resulting Numbers: [68, 70] Generated Node #0,0,0: 42:[68, 70] Operation: 72-2=70 Exploring Operation: 72/2=36, Resulting Numbers: [68, 36] Generated Node #0,0,1: 42:[68, 36] Operation: 72/2=36 Exploring Operation: 72-68=4, Resulting Numbers: [2, 4] Generated Node #0,0,2: 42:[2, 4] Operation: 72-68=4 Exploring Operation: 68-2=66, Resulting Numbers: [72, 66] Generated Node #0,0,3: 42:[72, 66] Operation: 68-2=66 Exploring Operation: 68/2=34, Resulting Numbers: [72, 34] Generated Node #0,0,4: 42:[72, 34] Operation: 68/2=34 Start Sub Search at level 1: Moving to Node #0,0,2 Current State: 42:[2, 4], Operations: ['98-30=68', '72-68=4'] Exploring Operation: 2+4=6, Resulting Numbers: [6] 6,42 unequal: No Solution Exploring Operation: 2*4=8, Resulting Numbers: [8] 8,42 unequal: No Solution Exploring Operation: 4-2=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 4/2=2, Resulting Numbers: [2] 2,42 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 #0,0,1 Current State: 42:[68, 36], Operations: ['98-30=68', '72/2=36'] Exploring Operation: 68-36=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 68*36=2448, Resulting Numbers: [2448] 2448,42 unequal: No Solution Exploring Operation: 68+36=104, Resulting Numbers: [104] 104,42 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 #0,0,4 Current State: 42:[72, 34], Operations: ['98-30=68', '68/2=34'] Exploring Operation: 72+34=106, Resulting Numbers: [106] 106,42 unequal: No Solution Exploring Operation: 72*34=2448, Resulting Numbers: [2448] 2448,42 unequal: No Solution Exploring Operation: 72-34=38, Resulting Numbers: [38] 38,42 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:[68, 70], Operations: ['98-30=68', '72-2=70'] Exploring Operation: 70-68=2, Resulting Numbers: [2] 2,42 unequal: No Solution Exploring Operation: 68*70=4760, Resulting Numbers: [4760] 4760,42 unequal: No Solution Exploring Operation: 68+70=138, Resulting Numbers: [138] 138,42 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 #0,0,3 Current State: 42:[72, 66], Operations: ['98-30=68', '68-2=66'] Exploring Operation: 72+66=138, Resulting Numbers: [138] 138,42 unequal: No Solution Exploring Operation: 72*66=4752, Resulting Numbers: [4752] 4752,42 unequal: No Solution Exploring Operation: 72-66=6, Resulting Numbers: [6] 6,42 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: 42:[98, 2, 42], Operations: ['72-30=42'] Exploring Operation: 98/2=49, Resulting Numbers: [42, 49] Generated Node #0,3,0: 42:[42, 49] Operation: 98/2=49 Exploring Operation: 98-42=56, Resulting Numbers: [2, 56] Generated Node #0,3,1: 42:[2, 56] Operation: 98-42=56 Exploring Operation: 98-2=96, Resulting Numbers: [42, 96] Generated Node #0,3,2: 42:[42, 96] Operation: 98-2=96 Exploring Operation: 42/2=21, Resulting Numbers: [98, 21] Generated Node #0,3,3: 42:[98, 21] Operation: 42/2=21 Exploring Operation: 98+2=100, Resulting Numbers: [42, 100] Generated Node #0,3,4: 42:[42, 100] Operation: 98+2=100 Start Sub Search at level 1: Moving to Node #0,3,0 Current State: 42:[42, 49], Operations: ['72-30=42', '98/2=49'] Exploring Operation: 49-42=7, Resulting Numbers: [7] 7,42 unequal: No Solution Exploring Operation: 42+49=91, Resulting Numbers: [91] 91,42 unequal: No Solution Exploring Operation: 42*49=2058, Resulting Numbers: [2058] 2058,42 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 #0,3,1 Current State: 42:[2, 56], Operations: ['72-30=42', '98-42=56'] Exploring Operation: 56/2=28, Resulting Numbers: [28] 28,42 unequal: No Solution Exploring Operation: 2+56=58, Resulting Numbers: [58] 58,42 unequal: No Solution Exploring Operation: 56-2=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 2*56=112, Resulting Numbers: [112] 112,42 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 #0,3,2 Current State: 42:[42, 96], Operations: ['72-30=42', '98-2=96'] Exploring Operation: 42*96=4032, Resulting Numbers: [4032] 4032,42 unequal: No Solution Exploring Operation: 96-42=54, Resulting Numbers: [54] 54,42 unequal: No Solution Exploring Operation: 42+96=138, Resulting Numbers: [138] 138,42 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 #0,3,3 Current State: 42:[98, 21], Operations: ['72-30=42', '42/2=21'] Exploring Operation: 98+21=119, Resulting Numbers: [119] 119,42 unequal: No Solution Exploring Operation: 98-21=77, Resulting Numbers: [77] 77,42 unequal: No Solution Exploring Operation: 98*21=2058, Resulting Numbers: [2058] 2058,42 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 #0,3,4 Current State: 42:[42, 100], Operations: ['72-30=42', '98+2=100'] Exploring Operation: 42*100=4200, Resulting Numbers: [4200] 4200,42 unequal: No Solution Exploring Operation: 42+100=142, Resulting Numbers: [142] 142,42 unequal: No Solution Exploring Operation: 100-42=58, Resulting Numbers: [58] 58,42 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:[98, 30, 36], Operations: ['72/2=36'] Exploring Operation: 98+30=128, Resulting Numbers: [36, 128] Generated Node #0,1,0: 42:[36, 128] Operation: 98+30=128 Exploring Operation: 36-30=6, Resulting Numbers: [98, 6] Generated Node #0,1,1: 42:[98, 6] Operation: 36-30=6 Exploring Operation: 98-36=62, Resulting Numbers: [30, 62] Generated Node #0,1,2: 42:[30, 62] Operation: 98-36=62 Exploring Operation: 30+36=66, Resulting Numbers: [98, 66] Generated Node #0,1,3: 42:[98, 66] Operation: 30+36=66 Exploring Operation: 98-30=68, Resulting Numbers: [36, 68] Generated Node #0,1,4: 42:[36, 68] Operation: 98-30=68 Moving to Node #0,1,2 Current State: 42:[30, 62], Operations: ['72/2=36', '98-36=62'] Exploring Operation: 62-30=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 30+62=92, Resulting Numbers: [92] 92,42 unequal: No Solution Exploring Operation: 30*62=1860, Resulting Numbers: [1860] 1860,42 unequal: No Solution Moving to Node #0,1,4 Current State: 42:[36, 68], Operations: ['72/2=36', '98-30=68'] Exploring Operation: 36*68=2448, Resulting Numbers: [2448] 2448,42 unequal: No Solution Exploring Operation: 68-36=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 36+68=104, Resulting Numbers: [104] 104,42 unequal: No Solution Moving to Node #0,1,1 Current State: 42:[98, 6], Operations: ['72/2=36', '36-30=6'] Exploring Operation: 98-6=92, Resulting Numbers: [92] 92,42 unequal: No Solution Exploring Operation: 98+6=104, Resulting Numbers: [104] 104,42 unequal: No Solution Exploring Operation: 98*6=588, Resulting Numbers: [588] 588,42 unequal: No Solution Moving to Node #0,1,3 Current State: 42:[98, 66], Operations: ['72/2=36', '30+36=66'] Exploring Operation: 98-66=32, Resulting Numbers: [32] 32,42 unequal: No Solution Exploring Operation: 98*66=6468, Resulting Numbers: [6468] 6468,42 unequal: No Solution Exploring Operation: 98+66=164, Resulting Numbers: [164] 164,42 unequal: No Solution Moving to Node #0,1,0 Current State: 42:[36, 128], Operations: ['72/2=36', '98+30=128'] Exploring Operation: 128-36=92, Resulting Numbers: [92] 92,42 unequal: No Solution Exploring Operation: 36+128=164, Resulting Numbers: [164] 164,42 unequal: No Solution Exploring Operation: 36*128=4608, Resulting Numbers: [4608] 4608,42 unequal: No Solution No solution found.
0
hs_5
sum_heuristic
[ 83, 18, 93, 29 ]
96
[ "83-29=54", "54/18=3", "93+3=96" ]
Current State: 96:[83, 18, 93, 29], Operations: [] Exploring Operation: 83-29=54, Resulting Numbers: [18, 93, 54] Generated Node #2: [18, 93, 54] from Operation: 83-29=54 Current State: 96:[18, 93, 54], Operations: ['83-29=54'] Exploring Operation: 54/18=3, Resulting Numbers: [93, 3] Generated Node #3: [93, 3] from Operation: 54/18=3 Current State: 96:[93, 3], Operations: ['83-29=54', '54/18=3'] Exploring Operation: 93+3=96, Resulting Numbers: [96] 96,96 equal: Goal Reached
4
Current State: 96:[83, 18, 93, 29], Operations: [] Exploring Operation: 93-83=10, Resulting Numbers: [18, 29, 10] Generated Node #0,0: 96:[18, 29, 10] Operation: 93-83=10 Start Sub Search at level 1: Moving to Node #0,0 Current State: 96:[18, 29, 10], Operations: ['93-83=10'] Exploring Operation: 18+29=47, Resulting Numbers: [10, 47] Generated Node #0,0,0: 96:[10, 47] Operation: 18+29=47 Moving to Node #0,0,0 Current State: 96:[10, 47], Operations: ['93-83=10', '18+29=47'] Exploring Operation: 47-10=37, Resulting Numbers: [37] 37,96 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
[ 52, 18, 59, 13 ]
80
[ "52-18=34", "59-13=46", "34+46=80" ]
Current State: 80:[52, 18, 59, 13], Operations: [] Exploring Operation: 52-18=34, Resulting Numbers: [59, 13, 34] Generated Node #2: [59, 13, 34] from Operation: 52-18=34 Current State: 80:[59, 13, 34], Operations: ['52-18=34'] Exploring Operation: 59-13=46, Resulting Numbers: [34, 46] Generated Node #3: [34, 46] from Operation: 59-13=46 Current State: 80:[34, 46], Operations: ['52-18=34', '59-13=46'] Exploring Operation: 34+46=80, Resulting Numbers: [80] 80,80 equal: Goal Reached
4
Current State: 80:[52, 18, 59, 13], Operations: [] Exploring Operation: 59-52=7, Resulting Numbers: [18, 13, 7] Generated Node #0,0: 80:[18, 13, 7] Operation: 59-52=7 Start Sub Search at level 1: Moving to Node #0,0 Current State: 80:[18, 13, 7], Operations: ['59-52=7'] Exploring Operation: 18-13=5, Resulting Numbers: [7, 5] Generated Node #0,0,0: 80:[7, 5] Operation: 18-13=5 Start Sub Search at level 2: Moving to Node #0,0,0 Current State: 80:[7, 5], Operations: ['59-52=7', '18-13=5'] Exploring Operation: 7-5=2, Resulting Numbers: [2] 2,80 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 No solution found.
0
hs_1
sum_heuristic
[ 28, 2, 78, 29 ]
79
[ "28+2=30", "78-29=49", "30+49=79" ]
Current State: 79:[28, 2, 78, 29], Operations: [] Exploring Operation: 28+2=30, Resulting Numbers: [78, 29, 30] Generated Node #2: [78, 29, 30] from Operation: 28+2=30 Current State: 79:[78, 29, 30], Operations: ['28+2=30'] Exploring Operation: 78-29=49, Resulting Numbers: [30, 49] Generated Node #3: [30, 49] from Operation: 78-29=49 Current State: 79:[30, 49], Operations: ['28+2=30', '78-29=49'] Exploring Operation: 30+49=79, Resulting Numbers: [79] 79,79 equal: Goal Reached
4
Current State: 79:[28, 2, 78, 29], Operations: [] Exploring Operation: 28*2=56, Resulting Numbers: [78, 29, 56] Generated Node #0,0: 79:[78, 29, 56] Operation: 28*2=56 Exploring Operation: 2*29=58, Resulting Numbers: [28, 78, 58] Generated Node #0,1: 79:[28, 78, 58] Operation: 2*29=58 Moving to Node #0,1 Current State: 79:[28, 78, 58], Operations: ['2*29=58'] Exploring Operation: 28+58=86, Resulting Numbers: [78, 86] Generated Node #0,1,0: 79:[78, 86] Operation: 28+58=86 Exploring Operation: 28+78=106, Resulting Numbers: [58, 106] Generated Node #0,1,1: 79:[58, 106] Operation: 28+78=106 Start Sub Search at level 1: Moving to Node #0,1,0 Current State: 79:[78, 86], Operations: ['2*29=58', '28+58=86'] Exploring Operation: 78+86=164, Resulting Numbers: [164] 164,79 unequal: No Solution Exploring Operation: 86-78=8, Resulting Numbers: [8] 8,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,1,1 Current State: 79:[58, 106], Operations: ['2*29=58', '28+78=106'] Exploring Operation: 106-58=48, Resulting Numbers: [48] 48,79 unequal: No Solution Exploring Operation: 58+106=164, Resulting Numbers: [164] 164,79 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: 79:[78, 29, 56], Operations: ['28*2=56'] Exploring Operation: 29+56=85, Resulting Numbers: [78, 85] Generated Node #0,0,0: 79:[78, 85] Operation: 29+56=85 Exploring Operation: 78+29=107, Resulting Numbers: [56, 107] Generated Node #0,0,1: 79:[56, 107] Operation: 78+29=107 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 79:[78, 85], Operations: ['28*2=56', '29+56=85'] Exploring Operation: 78+85=163, Resulting Numbers: [163] 163,79 unequal: No Solution Exploring Operation: 85-78=7, Resulting Numbers: [7] 7,79 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search Start Sub Search at level 1: Moving to Node #0,0,1 Current State: 79:[56, 107], Operations: ['28*2=56', '78+29=107'] Exploring Operation: 107-56=51, Resulting Numbers: [51] 51,79 unequal: No Solution Exploring Operation: 56+107=163, Resulting Numbers: [163] 163,79 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
[ 63, 6, 41, 43 ]
75
[ "43-41=2", "6*2=12", "63+12=75" ]
Current State: 75:[63, 6, 41, 43], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [63, 6, 2] Generated Node #2: [63, 6, 2] from Operation: 43-41=2 Current State: 75:[63, 6, 2], Operations: ['43-41=2'] Exploring Operation: 6*2=12, Resulting Numbers: [63, 12] Generated Node #3: [63, 12] from Operation: 6*2=12 Current State: 75:[63, 12], Operations: ['43-41=2', '6*2=12'] Exploring Operation: 63+12=75, Resulting Numbers: [75] 75,75 equal: Goal Reached
4
Current State: 75:[63, 6, 41, 43], Operations: [] Exploring Operation: 43-41=2, Resulting Numbers: [63, 6, 2] Generated Node #0,0: 75:[63, 6, 2] Operation: 43-41=2 Exploring Operation: 63-41=22, Resulting Numbers: [6, 43, 22] Generated Node #0,1: 75:[6, 43, 22] Operation: 63-41=22 Exploring Operation: 63+6=69, Resulting Numbers: [41, 43, 69] Generated Node #0,2: 75:[41, 43, 69] Operation: 63+6=69 Exploring Operation: 63-43=20, Resulting Numbers: [6, 41, 20] Generated Node #0,3: 75:[6, 41, 20] Operation: 63-43=20 Exploring Operation: 41+43=84, Resulting Numbers: [63, 6, 84] Generated Node #0,4: 75:[63, 6, 84] Operation: 41+43=84 Start Sub Search at level 1: Moving to Node #0,0 Current State: 75:[63, 6, 2], Operations: ['43-41=2'] Exploring Operation: 63+6=69, Resulting Numbers: [2, 69] Generated Node #0,0,0: 75:[2, 69] Operation: 63+6=69 Exploring Operation: 63+2=65, Resulting Numbers: [6, 65] Generated Node #0,0,1: 75:[6, 65] Operation: 63+2=65 Exploring Operation: 6-2=4, Resulting Numbers: [63, 4] Generated Node #0,0,2: 75:[63, 4] Operation: 6-2=4 Exploring Operation: 63-2=61, Resulting Numbers: [6, 61] Generated Node #0,0,3: 75:[6, 61] Operation: 63-2=61 Exploring Operation: 6/2=3, Resulting Numbers: [63, 3] Generated Node #0,0,4: 75:[63, 3] Operation: 6/2=3 Moving to Node #0,0,0 Current State: 75:[2, 69], Operations: ['43-41=2', '63+6=69'] Exploring Operation: 2+69=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 2*69=138, Resulting Numbers: [138] 138,75 unequal: No Solution Moving to Node #0,0,1 Current State: 75:[6, 65], Operations: ['43-41=2', '63+2=65'] Exploring Operation: 6*65=390, Resulting Numbers: [390] 390,75 unequal: No Solution Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 6+65=71, Resulting Numbers: [71] 71,75 unequal: No Solution Moving to Node #0,0,4 Current State: 75:[63, 3], Operations: ['43-41=2', '6/2=3'] Exploring Operation: 63*3=189, Resulting Numbers: [189] 189,75 unequal: No Solution Exploring Operation: 63+3=66, Resulting Numbers: [66] 66,75 unequal: No Solution Exploring Operation: 63/3=21, Resulting Numbers: [21] 21,75 unequal: No Solution Exploring Operation: 63-3=60, Resulting Numbers: [60] 60,75 unequal: No Solution Moving to Node #0,0,2 Current State: 75:[63, 4], Operations: ['43-41=2', '6-2=4'] Exploring Operation: 63-4=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 63+4=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 63*4=252, Resulting Numbers: [252] 252,75 unequal: No Solution Moving to Node #0,0,3 Current State: 75:[6, 61], Operations: ['43-41=2', '63-2=61'] Exploring Operation: 61-6=55, Resulting Numbers: [55] 55,75 unequal: No Solution Exploring Operation: 6+61=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 6*61=366, Resulting Numbers: [366] 366,75 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 #0,1 Current State: 75:[6, 43, 22], Operations: ['63-41=22'] Exploring Operation: 6+22=28, Resulting Numbers: [43, 28] Generated Node #0,1,0: 75:[43, 28] Operation: 6+22=28 Exploring Operation: 43+22=65, Resulting Numbers: [6, 65] Generated Node #0,1,1: 75:[6, 65] Operation: 43+22=65 Exploring Operation: 22-6=16, Resulting Numbers: [43, 16] Generated Node #0,1,2: 75:[43, 16] Operation: 22-6=16 Exploring Operation: 43-6=37, Resulting Numbers: [22, 37] Generated Node #0,1,3: 75:[22, 37] Operation: 43-6=37 Exploring Operation: 43-22=21, Resulting Numbers: [6, 21] Generated Node #0,1,4: 75:[6, 21] Operation: 43-22=21 Moving to Node #0,1,4 Current State: 75:[6, 21], Operations: ['63-41=22', '43-22=21'] Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,75 unequal: No Solution Moving to Node #0,1,1 Current State: 75:[6, 65], Operations: ['63-41=22', '43+22=65'] Exploring Operation: 65-6=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 6+65=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 6*65=390, Resulting Numbers: [390] 390,75 unequal: No Solution Moving to Node #0,1,3 Current State: 75:[22, 37], Operations: ['63-41=22', '43-6=37'] Exploring Operation: 22+37=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 22*37=814, Resulting Numbers: [814] 814,75 unequal: No Solution Exploring Operation: 37-22=15, Resulting Numbers: [15] 15,75 unequal: No Solution Moving to Node #0,1,2 Current State: 75:[43, 16], Operations: ['63-41=22', '22-6=16'] Exploring Operation: 43+16=59, Resulting Numbers: [59] 59,75 unequal: No Solution Exploring Operation: 43*16=688, Resulting Numbers: [688] 688,75 unequal: No Solution Exploring Operation: 43-16=27, Resulting Numbers: [27] 27,75 unequal: No Solution Moving to Node #0,1,0 Current State: 75:[43, 28], Operations: ['63-41=22', '6+22=28'] Exploring Operation: 43-28=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 43+28=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 43*28=1204, Resulting Numbers: [1204] 1204,75 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:[6, 41, 20], Operations: ['63-43=20'] Exploring Operation: 20-6=14, Resulting Numbers: [41, 14] Generated Node #0,3,0: 75:[41, 14] Operation: 20-6=14 Exploring Operation: 41+20=61, Resulting Numbers: [6, 61] Generated Node #0,3,1: 75:[6, 61] Operation: 41+20=61 Exploring Operation: 41-6=35, Resulting Numbers: [20, 35] Generated Node #0,3,2: 75:[20, 35] Operation: 41-6=35 Exploring Operation: 6+20=26, Resulting Numbers: [41, 26] Generated Node #0,3,3: 75:[41, 26] Operation: 6+20=26 Exploring Operation: 41-20=21, Resulting Numbers: [6, 21] Generated Node #0,3,4: 75:[6, 21] Operation: 41-20=21 Start Sub Search at level 2: Moving to Node #0,3,4 Current State: 75:[6, 21], Operations: ['63-43=20', '41-20=21'] Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,75 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:[6, 61], Operations: ['63-43=20', '41+20=61'] Exploring Operation: 61-6=55, Resulting Numbers: [55] 55,75 unequal: No Solution Exploring Operation: 6+61=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 6*61=366, Resulting Numbers: [366] 366,75 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:[20, 35], Operations: ['63-43=20', '41-6=35'] Exploring Operation: 20*35=700, Resulting Numbers: [700] 700,75 unequal: No Solution Exploring Operation: 35-20=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 20+35=55, Resulting Numbers: [55] 55,75 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 #0,3,0 Current State: 75:[41, 14], Operations: ['63-43=20', '20-6=14'] Exploring Operation: 41-14=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 41+14=55, Resulting Numbers: [55] 55,75 unequal: No Solution Exploring Operation: 41*14=574, Resulting Numbers: [574] 574,75 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:[41, 26], Operations: ['63-43=20', '6+20=26'] Exploring Operation: 41*26=1066, Resulting Numbers: [1066] 1066,75 unequal: No Solution Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,75 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 Start Sub Search at level 1: Moving to Node #0,4 Current State: 75:[63, 6, 84], Operations: ['41+43=84'] Exploring Operation: 63+6=69, Resulting Numbers: [84, 69] Generated Node #0,4,0: 75:[84, 69] Operation: 63+6=69 Exploring Operation: 84-6=78, Resulting Numbers: [63, 78] Generated Node #0,4,1: 75:[63, 78] Operation: 84-6=78 Exploring Operation: 63-6=57, Resulting Numbers: [84, 57] Generated Node #0,4,2: 75:[84, 57] Operation: 63-6=57 Exploring Operation: 84-63=21, Resulting Numbers: [6, 21] Generated Node #0,4,3: 75:[6, 21] Operation: 84-63=21 Exploring Operation: 84/6=14, Resulting Numbers: [63, 14] Generated Node #0,4,4: 75:[63, 14] Operation: 84/6=14 Moving to Node #0,4,3 Current State: 75:[6, 21], Operations: ['41+43=84', '84-63=21'] Exploring Operation: 21-6=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 6+21=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 6*21=126, Resulting Numbers: [126] 126,75 unequal: No Solution Moving to Node #0,4,4 Current State: 75:[63, 14], Operations: ['41+43=84', '84/6=14'] Exploring Operation: 63*14=882, Resulting Numbers: [882] 882,75 unequal: No Solution Exploring Operation: 63+14=77, Resulting Numbers: [77] 77,75 unequal: No Solution Exploring Operation: 63-14=49, Resulting Numbers: [49] 49,75 unequal: No Solution Moving to Node #0,4,0 Current State: 75:[84, 69], Operations: ['41+43=84', '63+6=69'] Exploring Operation: 84-69=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 84*69=5796, Resulting Numbers: [5796] 5796,75 unequal: No Solution Exploring Operation: 84+69=153, Resulting Numbers: [153] 153,75 unequal: No Solution Moving to Node #0,4,1 Current State: 75:[63, 78], Operations: ['41+43=84', '84-6=78'] Exploring Operation: 63+78=141, Resulting Numbers: [141] 141,75 unequal: No Solution Exploring Operation: 78-63=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 63*78=4914, Resulting Numbers: [4914] 4914,75 unequal: No Solution Moving to Node #0,4,2 Current State: 75:[84, 57], Operations: ['41+43=84', '63-6=57'] Exploring Operation: 84*57=4788, Resulting Numbers: [4788] 4788,75 unequal: No Solution Exploring Operation: 84-57=27, Resulting Numbers: [27] 27,75 unequal: No Solution Exploring Operation: 84+57=141, Resulting Numbers: [141] 141,75 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:[41, 43, 69], Operations: ['63+6=69'] Exploring Operation: 69-43=26, Resulting Numbers: [41, 26] Generated Node #0,2,0: 75:[41, 26] Operation: 69-43=26 Exploring Operation: 41+43=84, Resulting Numbers: [69, 84] Generated Node #0,2,1: 75:[69, 84] Operation: 41+43=84 Exploring Operation: 41+69=110, Resulting Numbers: [43, 110] Generated Node #0,2,2: 75:[43, 110] Operation: 41+69=110 Exploring Operation: 43-41=2, Resulting Numbers: [69, 2] Generated Node #0,2,3: 75:[69, 2] Operation: 43-41=2 Exploring Operation: 69-41=28, Resulting Numbers: [43, 28] Generated Node #0,2,4: 75:[43, 28] Operation: 69-41=28 Start Sub Search at level 2: Moving to Node #0,2,3 Current State: 75:[69, 2], Operations: ['63+6=69', '43-41=2'] Exploring Operation: 69-2=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 69+2=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 69*2=138, Resulting Numbers: [138] 138,75 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 #0,2,1 Current State: 75:[69, 84], Operations: ['63+6=69', '41+43=84'] Exploring Operation: 69+84=153, Resulting Numbers: [153] 153,75 unequal: No Solution Exploring Operation: 69*84=5796, Resulting Numbers: [5796] 5796,75 unequal: No Solution Exploring Operation: 84-69=15, Resulting Numbers: [15] 15,75 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 #0,2,0 Current State: 75:[41, 26], Operations: ['63+6=69', '69-43=26'] Exploring Operation: 41-26=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 41*26=1066, Resulting Numbers: [1066] 1066,75 unequal: No Solution Exploring Operation: 41+26=67, Resulting Numbers: [67] 67,75 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 #0,2,4 Current State: 75:[43, 28], Operations: ['63+6=69', '69-41=28'] Exploring Operation: 43+28=71, Resulting Numbers: [71] 71,75 unequal: No Solution Exploring Operation: 43-28=15, Resulting Numbers: [15] 15,75 unequal: No Solution Exploring Operation: 43*28=1204, Resulting Numbers: [1204] 1204,75 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 #0,2,2 Current State: 75:[43, 110], Operations: ['63+6=69', '41+69=110'] Exploring Operation: 110-43=67, Resulting Numbers: [67] 67,75 unequal: No Solution Exploring Operation: 43+110=153, Resulting Numbers: [153] 153,75 unequal: No Solution Exploring Operation: 43*110=4730, Resulting Numbers: [4730] 4730,75 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
mult_heuristic
[ 72, 24, 10, 69 ]
33
[ "72/24=3", "69/3=23", "10+23=33" ]
Current State: 33:[72, 24, 10, 69], Operations: [] Exploring Operation: 72/24=3, Resulting Numbers: [10, 69, 3] Generated Node #2: [10, 69, 3] from Operation: 72/24=3 Current State: 33:[10, 69, 3], Operations: ['72/24=3'] Exploring Operation: 69/3=23, Resulting Numbers: [10, 23] Generated Node #3: [10, 23] from Operation: 69/3=23 Current State: 33:[10, 23], Operations: ['72/24=3', '69/3=23'] Exploring Operation: 10+23=33, Resulting Numbers: [33] 33,33 equal: Goal Reached
4
Current State: 33:[72, 24, 10, 69], Operations: [] Exploring Operation: 72-69=3, Resulting Numbers: [24, 10, 3] Generated Node #0,0: 33:[24, 10, 3] Operation: 72-69=3 Moving to Node #0,0 Current State: 33:[24, 10, 3], Operations: ['72-69=3'] Exploring Operation: 24+10=34, Resulting Numbers: [3, 34] Generated Node #0,0,0: 33:[3, 34] Operation: 24+10=34 Start Sub Search at level 1: Moving to Node #0,0,0 Current State: 33:[3, 34], Operations: ['72-69=3', '24+10=34'] Exploring Operation: 34-3=31, Resulting Numbers: [31] 31,33 unequal: No Solution No solution found. Exit Sub Search at level 1 No solution found in sub search No solution found.
0
hs_1
sum_heuristic
[ 74, 56, 18, 56 ]
93
[ "74+18=92", "56/56=1", "92+1=93" ]
Current State: 93:[74, 56, 18, 56], Operations: [] Exploring Operation: 74+18=92, Resulting Numbers: [56, 56, 92] Generated Node #2: [56, 56, 92] from Operation: 74+18=92 Current State: 93:[56, 56, 92], Operations: ['74+18=92'] Exploring Operation: 56/56=1, Resulting Numbers: [92, 1] Generated Node #3: [92, 1] from Operation: 56/56=1 Current State: 93:[92, 1], Operations: ['74+18=92', '56/56=1'] Exploring Operation: 92+1=93, Resulting Numbers: [93] 93,93 equal: Goal Reached
4
Current State: 93:[74, 56, 18, 56], Operations: [] Exploring Operation: 74-56=18, Resulting Numbers: [18, 56, 18] Generated Node #0,0: 93:[18, 56, 18] Operation: 74-56=18 Exploring Operation: 74+18=92, Resulting Numbers: [56, 56, 92] Generated Node #0,1: 93:[56, 56, 92] Operation: 74+18=92 Exploring Operation: 56-56=0, Resulting Numbers: [74, 18, 0] Generated Node #0,2: 93:[74, 18, 0] Operation: 56-56=0 Exploring Operation: 56/56=1, Resulting Numbers: [74, 18, 1] Generated Node #0,3: 93:[74, 18, 1] Operation: 56/56=1 Exploring Operation: 74-56=18, Resulting Numbers: [56, 18, 18] Generated Node #0,4: 93:[56, 18, 18] Operation: 74-56=18 Moving to Node #0,3 Current State: 93:[74, 18, 1], Operations: ['56/56=1'] Exploring Operation: 74-18=56, Resulting Numbers: [1, 56] Generated Node #0,3,0: 93:[1, 56] Operation: 74-18=56 Exploring Operation: 74*1=74, Resulting Numbers: [18, 74] Generated Node #0,3,1: 93:[18, 74] Operation: 74*1=74 Exploring Operation: 18+1=19, Resulting Numbers: [74, 19] Generated Node #0,3,2: 93:[74, 19] Operation: 18+1=19 Exploring Operation: 74+1=75, Resulting Numbers: [18, 75] Generated Node #0,3,3: 93:[18, 75] Operation: 74+1=75 Exploring Operation: 74+18=92, Resulting Numbers: [1, 92] Generated Node #0,3,4: 93:[1, 92] Operation: 74+18=92 Start Sub Search at level 1: Moving to Node #0,3,4 Current State: 93:[1, 92], Operations: ['56/56=1', '74+18=92'] Exploring Operation: 92/1=92, Resulting Numbers: [92] 92,93 unequal: No Solution Exploring Operation: 1+92=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Moving to Node #0 Current State: 93:[74, 56, 18, 56], Operations: [] Exploring Operation: 56/56=1, Resulting Numbers: [74, 18, 1] Generated Node #0,3: 93:[74, 18, 1] Operation: 56/56=1 Moving to Node #0,3 Current State: 93:[74, 18, 1], Operations: ['56/56=1'] Exploring Operation: 74+18=92, Resulting Numbers: [1, 92] Generated Node #0,3,4: 93:[1, 92] Operation: 74+18=92 Moving to Node #0,3,4 Current State: 93:[1, 92], Operations: ['56/56=1', '74+18=92'] Exploring Operation: 1+92=93, Resulting Numbers: [93] 93,93 equal: Goal Reached Exit Sub Search at level 1
0.986111
hs_5
mult_heuristic